CN104238518A - Material state monitoring system for freight train - Google Patents
Material state monitoring system for freight train Download PDFInfo
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- CN104238518A CN104238518A CN201410471804.XA CN201410471804A CN104238518A CN 104238518 A CN104238518 A CN 104238518A CN 201410471804 A CN201410471804 A CN 201410471804A CN 104238518 A CN104238518 A CN 104238518A
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Abstract
The invention provides a material state monitoring system for a freight train. The material state monitoring system comprises a locomotive monitoring subsystem and a plurality of compartment monitoring subsystems. Each compartment is provided with one compartment monitoring subsystem. The locomotive monitoring subsystem comprises a wireless access point, a master station directional antenna connected with the wireless access point, a first programmable logic controller (PLC) connected with the wireless access point, and an RFID read and write system. Each compartment monitoring subsystem comprises a wireless client side, a slave station directional antenna, a slave station PLC and a first RFID read and write system, wherein the slave station direction antenna is connected with the wireless client side, the slave station PLC is connected with the wireless cline side and a compartment material collecting device, and the first RFID read and write system is connected with the slave station PLC. The material state monitoring system for the freight train can monitor the material state in real time and monitor the state change of materials in the transporting process in real time.
Description
Technical field
The application relates to Industry Control and the communications field, particularly a kind of cargo train material state supervisory system.
Background technology
Cargo train usually transports the materials such as such as coal, oil plant, chemical raw material, rock gas, and the physical state of these materials in transportation, safe condition, missing status seldom can be monitored in real time, cause cannot monitoring the potential safety hazard existed in transportation in time.
Existing most of cargo train cannot to the monitoring state of material, and for the cargo train that can carry out material state monitoring, the normal mode adopting instrument to carry out data acquisition is monitored material state.But adopt instrument to carry out the mode of data acquisition, can only wait until that vehicle enters terminal and carries out manual metering and realize monitoring, by the material state real-time data transmission that collects to locomotive engine or remote central station, cannot cannot realize the real-time monitoring of material state.Again because instrument only gathers, there is no data management function, data filing record cannot be carried out to the data collected, therefore cannot carry out Real-Time Monitoring to the change of the state of material in transportation.
Therefore urgent need is a kind of at present can realize the implementing monitoring of material state and can carry out the system of Real-Time Monitoring to the change of the state of material in transportation.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of cargo train material state supervisory system, and to reach the object of real-time monitoring and the state change of Real-Time Monitoring material in transportation realized material state, technical scheme is as follows:
A kind of cargo train material state supervisory system, comprising: locomotive engine Monitor And Control Subsystem and multiple compartments Monitor And Control Subsystem, often saves compartment and is provided with a compartment Monitor And Control Subsystem;
Described locomotive engine Monitor And Control Subsystem comprises: WAP, the main website directional antenna be connected with described WAP, the main website programmable logic controller (PLC) PLC be connected with described WAP and the main website RFID storage card being installed on locomotive engine afterbody and main website RFID read-write head, and described locomotive engine afterbody is one end that locomotive engine connects compartment;
Described compartment Monitor And Control Subsystem comprises: wireless client, the slave station directional antenna be connected with described wireless client, the slave station PLC be connected with carriage material harvester with described wireless client respectively and the slave station RFID read-write device be connected with described slave station PLC;
Described main website PLC stores multiple master station transmission control protocol TCP communication parameter, and described main website TCP communication parameter at least comprises the IP address of slave station PLC, No. ID, the passage of intercommunication and communication port numbers;
Described main website RFID read-write head, for reading locomotive engine station number, the SSID name of described WAP and the IP address of IP address and described main website PLC from described main website PLC, and writes described main website RFID storage card by the information read;
Described RFID storage card, for storing the IP address of the station number of locomotive engine station number or compartment, the SSID name of described WAP and IP address and described main website PLC;
Described slave station RFID read-write device for read locomotive engine station number or read be connected with compartment belonging to this slave station RFID read-write device the station number in compartment, front end, the SSID name of described WAP and IP address and described main website PLC IP address, and the information read is write described slave station PLC, compartment, described front end is on direction of traffic, near described locomotive compartment;
The station number in compartment, front end that described slave station PLC uses described locomotive engine station number or is connected with compartment belonging to this slave station RFID read-write device, generates the station number in compartment belonging to this slave station PLC and the slave station TCP communication parameter of this slave station PLC;
Described wireless client, by described slave station directional antenna, described main website directional antenna and the SSID name of described WAP got from described slave station PLC and IP address, is set up Ethernet radio communication with described WAP and is connected;
On the basis setting up the connection of Ethernet radio communication, described main website PLC sets up TCP with described slave station PLC by described slave station TCP communication parameter and is connected, and to realize described slave station PLC, the material state data of described carriage material harvester collection is sent to described main website PLC in real time;
Described main website PLC stores the material state data that the described slave station PLC received sends.
Preferably, described slave station RFID read-write device is specially: the first slave station RFID read-write head.
Preferably, described slave station RFID read-write device comprises: the second slave station RFID read-write head being installed on carriage head and the 3rd slave station RFID read-write head being installed on compartment afterbody and slave station RFID storage card, described carriage head is on direction of traffic, compartment is near described locomotive one end, and described compartment afterbody is the other end corresponding with described head;
Described second slave station RFID read-write head is for the information read in described main website RFID storage card or the information read in the slave station RFID storage card in the compartment, front end be connected with compartment belonging to this second slave station RFID read-write head, and the information read is write described slave station PLC, wherein, the information in the slave station RFID storage card in the compartment be connected with compartment belonging to this second slave station RFID read-write head comprise be connected with compartment belonging to this second slave station RFID read-write head the station number in compartment, front end, the SSID name of described WAP and IP address and described main website PLC IP address;
Described 3rd slave station RFID read-write head is used for the IP address obtaining the station number in compartment belonging to described slave station PLC, the SSID name of described WAP and IP address and described main website PLC from described slave station PLC, and the information got is write described slave station RFID storage card.
Preferably, described WAP is provided with the first serial communicating programme mouth, and described wireless client is provided with the second serial communicating programme mouth.
Preferably, described locomotive engine Monitor And Control Subsystem also comprises: the man-machine interface be connected with described main website PLC.
Preferably, described locomotive engine Monitor And Control Subsystem also comprises:
The remote communication module be connected with described main website PLC, the material state data for being received by described main website PLC are sent to train ground central station supervisory system.
Preferably, described remote communication module comprises:
GPRS module.
Preferably, described remote communication module comprises:
3G SIM card.
Preferably, described remote communication module comprises:
4G SIM card.
Compared with prior art, the beneficial effect of the application is:
In this application, at the locomotive engine of cargo train, locomotive engine Monitor And Control Subsystem is installed, in the often joint compartment of cargo train, a compartment Monitor And Control Subsystem is installed respectively, often save compartment by respective wireless client, slave station directional antenna and locomotive WAP and slave station directional antenna, set up Ethernet radio communication to connect, thus got through main website PLC and slave station PLC and realize the physical channel that wireless ethernet communicates, connect on the basis of (namely get through main website PLC and slave station PLC and realize the physical channel that wireless ethernet communicates) setting up Ethernet radio communication, main website PLC sets up TCP with slave station PLC and is connected, to realize described slave station PLC, the material state data of described carriage material harvester collection are sent to described main website PLC in real time, thus achieve the material state real-time data transmission of carriage material harvester collection to main website PLC, main website PLC can by real-time reception to material state data be sent to man-machine interface and carry out showing or be sent to remote central station and show, reach the object of material state being carried out to monitoring in real time.
Again because main website PLC stores the material state data that the slave station PLC received sends, therefore can go out the state change of material in transportation according to the material state data analysis stored, thus achieve the state change of Real-Time Monitoring material in transportation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of logic connection diagram of the cargo train material state supervisory system that the application provides;
Fig. 2 is a kind of physical arrangement schematic diagram of the cargo train material state supervisory system that the application provides;
Fig. 3 is a kind of structural representation of the locomotive engine Monitor And Control Subsystem that the application provides;
Fig. 4 is a kind of logic connection diagram of the compartment Monitor And Control Subsystem that the application provides;
Fig. 5 is the another kind of logic connection diagram of the cargo train material state supervisory system that the application provides;
Fig. 6 is a kind of entity schematic diagram of the compartment Monitor And Control Subsystem that the application provides;
Fig. 7 is the communication scheme of RFID read-write head in full-automatic read schemes;
Fig. 8 is the communication scheme of the wireless client that provides of the application and WAP;
Fig. 9 is the communication scheme of the main website PLC that provides of the application and multiple slave station PLC;
Figure 10 is the another kind of structural representation of the locomotive engine Monitor And Control Subsystem that the application provides;
Figure 11 is a kind of entity schematic diagram of the locomotive engine Monitor And Control Subsystem that the application provides;
Figure 12 is another structural representation of the locomotive engine Monitor And Control Subsystem that the application provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Present solution provides a kind of cargo train material state supervisory system, refer to Fig. 1, it illustrates a kind of logic connection diagram of the cargo train material state supervisory system that the application provides, cargo train material state supervisory system comprises: locomotive engine Monitor And Control Subsystem 11 and multiple compartments Monitor And Control Subsystem 12.
Wherein, locomotive engine Monitor And Control Subsystem 11 is installed on locomotive engine.Compartment Monitor And Control Subsystem 12 is installed on compartment, often saves compartment and is provided with a compartment Monitor And Control Subsystem 12, as shown in Figure 2, it illustrates a kind of physical arrangement schematic diagram of cargo train material state supervisory system, i={1 in Fig. 2,2,3,, N}, N be more than or equal to 1 integer.
In this programme, the concrete structure of locomotive engine Monitor And Control Subsystem 11 refers to Fig. 3, it illustrates a kind of structural representation of the locomotive engine Monitor And Control Subsystem that the application provides, locomotive engine Monitor And Control Subsystem 11 comprises: WAP 21, main website directional antenna 22, main website PLC (programmable logic controller (PLC), Programmable Logic Controller) 23, main website RFID (radio-frequency (RF) identification, Radio Frequency Identification) storage card 24 and main website RFID read-write 25.
Main website directional antenna 22 is connected with WAP 21.Concrete, main website directional antenna 22 is connected with WAP 21 by feeder.
Main website PLC23 is connected with WAP 21 and main website RFID read-write 25 respectively.
Main website RFID storage card 24 and main website RFID read-write 25 is all installed on locomotive engine afterbody, and the installation site distance of main website RFID storage card 24 can be very near, and described locomotive engine afterbody is one end that locomotive engine connects compartment.
Main website RFID read-write 25, for reading locomotive engine station number, the SSID name of described WAP and the IP address of IP address and described main website PLC23 from described main website PLC23, and writes described main website RFID storage card 24 by the information read.
Main website RFID storage card 24, is connected with main website RFID read-write 25, for storing the IP address of the station number of locomotive engine station number or compartment, the SSID name of described WAP and IP address and described main website PLC23.
Main website PLC23 is previously stored with main website TCP (the Transmission Control Protocol communicated with multiple slave station PLC33, transmission control protocol) messaging parameter, often organize the communication that train forms one group of main website PLC23 and multiple slave station PLC33, the part belonging to main website PLC23 messaging parameter all pre-sets and is stored in main website PLC23.The TCP communication parameter of each slave station PLC33 is then carried out calculating according to the compartment station number at self place and is arranged oneself TCP parameter.It should be noted that, multiple main websites TCP communication parameter that main website PLC23 stores is changeless.Main website TCP communication parameter at least comprises: the IP address of slave station PLC33, No. ID, the passage of intercommunication and communication port numbers.Slave station TCP communication parameter at least comprises: the IP address of institute's communication object and main website PLC23, the IP address of slave station PLC33, No. ID, the passage of intercommunication and communication port numbers.
Wherein, No. ID, the passage of intercommunication comprises No. ID, first passage and No. ID, second channel, and No. ID, first passage is that slave station PLC33 sends No. ID of data to main website PLC23, and No. ID, second channel is No. ID of slave station PLC33 reception main website PLC23 transmission data.
Although main website PLC23 stores multiple main websites TCP communication parameter, the slave station TCP communication parameter of each main website TCP communication parameter and each slave station PLC33 has corresponding relation, but slave station PLC33's does not obtain corresponding main website TCP communication parameter as slave station TCP communication parameter, but by the respective TCP communication parameter of each self-generating of each slave station PLC33 and slave station TCP communication parameter from main website PLC23 in each compartment.
In this programme, the concrete logic connect Please of compartment Monitor And Control Subsystem 12 is see Fig. 4, it illustrates a kind of logic connection diagram of the compartment Monitor And Control Subsystem that the application provides, compartment Monitor And Control Subsystem 12 comprises: wireless client 31, slave station directional antenna 32, slave station PLC33 and slave station RFID read-write device 34.
Slave station directional antenna 32 is connected with wireless client 31.Concrete, slave station directional antenna 32 is connected with wireless client 31 by feeder.
Slave station PLC33 is connected with slave station RFID read-write device 34 with wireless client 31, carriage material harvester respectively.Described carriage material harvester specifically comprises sensor and instrument.
Refer to Fig. 5, it illustrates the another kind of logic connection diagram of the cargo train material state supervisory system that the application provides.
The entity schematic diagram of compartment Monitor And Control Subsystem 12 refers to Fig. 6, it illustrates a kind of entity schematic diagram of the compartment Monitor And Control Subsystem that the application provides.
In this programme, carriage material harvester (i.e. sensor and instrument) gathers material state data, and slave station PLC33 obtains the material state data that carriage material harvester gathers.Sensor or between instrument with slave station PLC33 by 4-20mA current mode analog quantity or be connected by industrial bus modes such as Profibus-DP, namely slave station PLC33 needs to support analog acquisition and with Profibus-DP master station communication ability.
Wherein, PROFIBUS – DP communication is the exemplary field control bus of industrial automation communication.DP and Decentralized Periphery wherein.Decentralized Periphery has high speed low cost, for the communication of device level control system and distributing I/O.PROFIBUS is a kind of internationalization. open. do not rely on the standard for Fieldbus of device fabrication business.
Connect to be specifically as follows by 4-20mA current mode analog quantity and connected by 4-20mA current mode analog quantity 2 line or 4 line signals.
Slave station RFID read-write device 34, for reading locomotive engine station number, the SSID name of described WAP 21 and the IP address of IP address and main website PLC23, and the information read (i.e. SSID (Service Set Identifier, the service set) title of locomotive engine station number, described WAP 21 and the IP address of IP address and main website PLC23) is write described slave station PLC33;
Or, slave station RFID read-write device 34, for read be connected with compartment belonging to this slave station RFID read-write device 34 the station number in compartment, front end, the SSID name of WAP 21 and IP address and described main website PLC23 IP address, and the information read (the IP address of the station number in compartment, front end be namely connected with compartment belonging to this slave station RFID read-write device 34, the SSID name of WAP 21 and IP address and described main website PLC23) is write described slave station PLC33.
For reading locomotive engine station number, the SSID name of described WAP 21 and the IP address of IP address and main website PLC23, and the slave station RFID read-write device 34 information read being write described slave station PLC33 is positioned at the compartment be directly connected with locomotive engine.
For read be connected with compartment belonging to this slave station RFID read-write device 34 the station number in compartment, front end, the SSID name of WAP 21 and IP address and described main website PLC23 IP address, and the slave station RFID read-write device 34 information read being write described slave station PLC33 is positioned at the compartment be not directly connected with locomotive engine.
Wherein, compartment, described front end is on direction of traffic, near described locomotive compartment.
In this programme, slave station PLC33 reads the IP address of locomotive engine station number, SSID name and the IP address of described WAP 21 and the IP address of main website PLC23 or the station number in compartment, front end be connected with compartment belonging to this slave station RFID read-write device 34, the SSID name of WAP 21 and IP address and described main website PLC23 by RFID technique, and specific embodiment is divided into semi-automatic read schemes and full-automatic read schemes.Wherein, in semi-automatic read schemes, described slave station RFID read-write device 34 is specially: the first slave station RFID read-write head, and namely each compartment only needs configuration first slave station RFID read-write head separately, and RFID read-write head communicates with the slave station PLC33 configured in its compartment.In practical operation, operating personnel are installed on the main website RFID storage card 24 of locomotive engine afterbody by obtaining, hand-held main website RFID storage card 24 goes to the train tailstock from train head, " brushes " once one by one in the first slave station RFID read-write head induction zone in each compartment.Each first slave station RFID read-write head being operating as when sensing main website RFID storage card 24, first information in main website RFID storage card 24 is read, be transferred to slave station PLC33 and carry out information processing, slave station PLC33 obtains the station number in compartment belonging to this slave station PLC33 after carrying out information processing, and the new data obtained after complete for slave station PLC33 information processing (i.e. the IP address of the station number in compartment belonging to this slave station PLC33, the SSID name of described WAP 21 and IP address and described main website PLC23) is write main website RFID storage card 24.It should be noted that, each first slave station RFID read-write head is operating as write-after-read when sensing main website RFID storage card 24.
In semi-automatic read schemes, slave station PLC33 is communicated with RFID read-write head by RS232 or RS422 or RS485 serial communication mode.
In semi-automatic read schemes, be the mode of swiping the card in RFID read-write head induction zone that manually holds due to what adopt, therefore the radio-frequency transmissions distance of the first slave station RFID read-write head is at about 10cm.
In full-automatic read schemes, described main website RFID read-write 25 reads locomotive engine station number, the SSID name of described WAP 21 and the IP address of IP address and described main website PLC23 from described main website PLC23, and the information read is write described main website RFID storage card 24.
In full-automatic read schemes, described slave station RFID read-write device 34 specifically comprises: the second slave station RFID read-write 341 being installed on carriage head and the 3rd slave station RFID read-write being installed on compartment afterbody 342 and slave station RFID storage card 343, described carriage head is on direction of traffic, compartment is near described locomotive one end, and described compartment afterbody is the other end corresponding with described head.
Described second slave station RFID read-write 341 is for the information that reads in described main website RFID storage card 24 or the information read in the slave station RFID storage card 343 in the compartment, front end be connected with compartment belonging to this second slave station RFID read-write 341, and the information read is write described slave station PLC33, wherein, information in the slave station RFID storage card 343 in the compartment be connected with compartment belonging to this second slave station RFID read-write 341 comprises the station number in the compartment, front end be connected with compartment belonging to this second slave station RFID read-write 341, the SSID name of described WAP 21 and IP address, and the IP address of described main website PLC23.
After the information read is write described slave station PLC33 by the second slave station RFID read-write 341, slave station PLC33 carries out information processing, and concrete information process at least comprises the station number calculating compartment belonging to this slave station PLC33.Slave station PLC33, after carrying out information processing, obtains the station number in compartment belonging to this slave station PLC33.
The information got for obtaining the IP address of the station number in compartment belonging to this slave station PLC33, the SSID name of described WAP 21 and IP address and described main website PLC23 from described slave station PLC33, and is write described slave station RFID storage card 343 by described 3rd slave station RFID read-write 342.
In full-automatic read schemes, locomotive station number, the SSID name of described WAP 21 and IP address, and the IP address of described main website PLC23 and the station number in each compartment, the SSID name of described WAP 21 and IP address, and the transmission of the IP address of described main website PLC23 is by the realization that communicates between locomotive engine with compartment and between compartment with compartment, as lorry comprises locomotive engine and four joint compartments, be respectively compartment a1, compartment a2, compartment a3 and compartment a4, the compartment be connected with locomotive engine is compartment a1, the compartment be connected with compartment a1 is a2, the compartment be connected with compartment a2 is a3, information (i.e. locomotive station number in the second slave station RFID read-write locomotive main website RFID storage card 24 of 341 reading then in compartment a1, the SSID name of described WAP 21 and IP address, and the IP address of described main website PLC23), the information read is write the slave station PLC33 of compartment a1 by compartment a1, locomotive engine station number is added 1 by slave station PLC33, obtain the station number of compartment a1, and by the station number of compartment a1, the SSID name of described WAP 21 and IP address, and the 3rd slave station RFID read-write of write compartment, the IP address a1 of described main website PLC23 342, the 3rd slave station RFID read-write of compartment a1 342 is by the station number of compartment a1, the SSID name of described WAP 21 and IP address, and the slave station RFID storage card 343 of write compartment, the IP address a1 of described main website PLC23,
Information (the i.e. station number of compartment a1 in the slave station RFID storage card 343 of the second slave station RFID read-write 341 reading compartment a1 of compartment a2, the SSID name of described WAP 21 and IP address, and the IP address of described main website PLC23), the information read is write the slave station PLC33 of compartment a2 by compartment a2, the station number of compartment a1 is added 1 by the slave station PLC33 of compartment a2, obtain the station number of compartment a2, and by the station number of compartment a2, the SSID name of described WAP 21 and IP address, and the 3rd slave station RFID read-write of write compartment, the IP address a2 of described main website PLC23 342, the 3rd slave station RFID read-write of compartment a2 342 is by the station number of compartment a2, the SSID name of described WAP 21 and IP address, and the slave station RFID storage card 343 of write compartment, the IP address a2 of described main website PLC23,
Information (the i.e. station number of compartment a2 in the slave station RFID storage card 343 of the second slave station RFID read-write 341 reading compartment a2 of compartment a3, the SSID name of described WAP 21 and IP address, and the IP address of described main website PLC23), the information read is write the slave station PLC33 of compartment a3 by compartment a3, the station number of compartment a2 is added 1 by the slave station PLC33 of compartment a3, obtain the station number of compartment a3, and by the station number of compartment a3, the SSID name of described WAP 21 and IP address, and the 3rd slave station RFID read-write head of write compartment, the IP address a3 of described main website PLC23, the 3rd slave station RFID read-write of compartment a3 342 is by the station number of compartment a3, the SSID name of described WAP 21 and IP address, and the slave station RFID storage card 343 of write compartment, the IP address a3 of described main website PLC23,
The second slave station RFID read-write of compartment a4 341 reads information in the slave station RFID storage card 343 of compartment a3 (i.e. the IP address of the station number of compartment a3, the SSID name of described WAP 21 and IP address and described main website PLC23), the information read is write the slave station PLC33 of compartment a4 by compartment a4, the station number of compartment a3 is added 1 by the slave station PLC33 of compartment a4, obtains the station number of compartment a4.
It should be noted that, in full-automatic read schemes, the slave station RFID read-write device in the final section compartment of lorry can include the second slave station RFID read-write 341 being installed on carriage head and the 3rd slave station RFID read-write being installed on compartment afterbody 342 and slave station RFID storage card 343.Certainly, the slave station RFID read-write device in the final section compartment of lorry can only include the second slave station RFID read-write 341, to reduce system cost.
In full-automatic read schemes, be arranged on the second slave station RFID read-write 341 needs often saving carriage head to select to support high-frequency apparatus, its radio-frequency transmissions distance needs to reach 2-3m distance, to guarantee to read information from the slave station RFID storage card 343 in the compartment, front end be connected with compartment belonging to this second slave station RFID read-write 341.
Refer to Fig. 7, it illustrates the communication scheme of RFID read-write head in full-automatic read schemes.
Each compartment is passing through semi-automatic read schemes or full-automatic read schemes, after getting the information such as IP address of locomotive engine station number, SSID name and the IP address of described WAP 21 and the IP address of main website PLC23 or the station number in compartment, front end be connected with compartment belonging to this slave station RFID read-write device 34, the SSID name of WAP 21 and IP address and described main website PLC23, each compartment slave station PLC33 separately generates station number and the slave station TCP communication parameter in compartment belonging to respective slave station PLC.
Because the generative process of the slave station TCP communication parameter of slave station PLC33 in each compartment is identical, therefore in this programme, the generative process of the slave station TCP communication parameter of any one slave station PLC33 is described, the generative process of the slave station TCP communication parameter of any one slave station PLC33 is as follows: the first preset IP address is added the station number in compartment belonging to this slave station PLC33 by this slave station PLC33, generate the new IP address i.e. IP address of this slave station PLC33, IP address as this slave station PLC33 is 192.168.0.N (station number in this compartment of N=10+), wherein, 192.168.0.10 be the first preset IP address,
This slave station PLC33 presets first the station number that No. ID, passage adds compartment belonging to this slave station PLC33, generate No. ID, new passage i.e. No. ID, first passage, No. ID, the first passage as this slave station PLC33 is X, (station number in compartment belonging to this PLC of X=110+), wherein, X is the first default No. ID, passage;
This slave station PLC33 presets second the station number that No. ID, passage adds compartment belonging to this slave station PLC33, generate No. ID, new passage i.e. No. ID, second channel, No. ID, the second channel as this slave station PLC33 is Y, (station number in compartment belonging to this PLC of Y=210+), wherein, Y is the second default No. ID, passage;
This slave station PLC33 is using the communication port numbers that the prestores communication port numbers as this slave station PLC33;
The IP address of main website PLC23, by the transmission in a then compartment, slave station RFID read-write device 34 1 compartments, is set in each slave station PLC33, as a part for the slave station TCP communication parameter of slave station PLC33.
Wherein, belonging to this slave station PLC33, the generative process of the station number in compartment is as follows:
When this compartment is the compartment be directly connected with locomotive engine, the generative process of the station number in this compartment is: the slave station PLC33 in this compartment reads locomotive engine station number from the slave station RFID read-write device 34 of itself, the locomotive engine station number and 1 read is added, station number that is that obtain and that be this compartment; When this compartment is not the compartment be directly connected with locomotive engine, the slave station PLC33 that the generative process of the station number in this compartment is: this compartment reads the station number in the compartment, front end be connected with compartment belonging to this slave station RFID read-write device 34 from itself slave station RFID read-write device 34, the station number and 1 in the compartment, front end be connected with compartment belonging to this slave station RFID read-write device 34 is added, station number that is that obtain and that be this compartment.
In each compartment, the IP address of wireless client 31 is by each self-generating of each slave station PLC33.Because in each compartment, the generative process of the IP address of wireless client 31 is identical, therefore in this programme, the generative process of the IP address of wireless client 31 in any one compartment is described, as follows: in this compartment, the second preset IP address is added the station number in this compartment by slave station PLC33, generate the IP address of wireless client 31 in new IP address i.e. this compartment, IP address as wireless client 31 is 192.168.0.M (station number in this compartment of M=100+), wherein, 192.168.0.100 is the second preset IP address.
In this programme, slave station PLC33 writes SSID name and the IP address of WAP 21 to slave station RFID read-write device 34 by the second serial communicating programme mouth, and belonging to this slave station PLC33 that slave station PLC33 generated in compartment the IP address of wireless client 31 write wireless client 31 in compartment belonging to this slave station PLC33, to upgrade IP address, the SSID parameter of wireless client 31.
Certainly, WAP 21 also can reserve the first serial communicating programme mouth, whenever necessary, can be modified by main website PLC23 by the first serial communicating programme mouth to the IP address of WAP 21 and SSID name.
Wireless client 31 obtains SSID name and the IP address of WAP 21 from slave station PLC33, and by described slave station directional antenna 32, described main website directional antenna 22 and the SSID name of described WAP 21 got from described slave station PLC33 and IP address, set up Ethernet radio communication with described WAP 21 to be connected, thus get through the physical channel realizing wireless ethernet between main website PLC23 with slave station PLC33 and communicate.
Wireless client 31 and WAP 21 adopt 802.11g or 802.11n wireless transmission protocol to set up Ethernet radio communication to be connected.The communication distance of main website directional antenna 22 and slave station directional antenna 32 at least reaches 2km, saves the demand in compartment with satisfied conventional cargo train 50-60.
The schematic diagram that wireless client 31 and WAP 21 carry out Ethernet radio communication refers to Fig. 8, it illustrates the communication scheme of wireless client that the application provides and WAP.
The operating temperature range of wireless client 31, WAP 21, main website directional antenna 22 and slave station directional antenna 32 is wide, and concrete scope is 0 DEG C-60 DEG C, even-20 DEG C-70 DEG C.
On the basis setting up the connection of Ethernet radio communication, described main website PLC23 sets up TCP with described slave station PLC33 by described slave station TCP communication parameter and is connected, and to realize described slave station PLC33, the material state data of described carriage material harvester collection is sent to described main website PLC23 in real time.
Main website PLC23 and described slave station PLC33 set up necessary factor that TCP is connected and comprise both sides and have IP address, the ID channel number of intercommunication, communication port numbers (being positioned at server end).Owing to storing main website TCP communication parameter in main website PLC23, slave station PLC33 self generates slave station TCP communication parameter, and therefore main website PLC23 and slave station PLC33 possess the necessary factor set up TCP and be connected.
The technology connected owing to setting up TCP is existing very proven technique, and therefore described main website PLC23 and described slave station PLC33 set up by described slave station TCP communication parameter the process that TCP is connected and do not repeat them here.
In this programme, main website PLC23, as communication customer end, initiatively initiates TCP communication to each slave station PLC33 and connects.After connecting, all slave station PLC33 communicate with main website PLC23, and namely main website PLC23 is as TCP communication station, center, are responsible for the data of collecting each slave station PLC33 transmission, and can send data to each slave station PLC33.Main website PLC communicate because needs are set up with tens slave station PLC33, therefore it needs to have the abilities simultaneously can carrying out tens communication connections, and namely its communication connection resource needs are very many.
The schematic diagram that main website PLC23 carries out communicating with multiple slave station PLC33 refers to Fig. 9, it illustrates the communication scheme of main website PLC that the application provides and multiple slave station PLC.
Described main website PLC23 stores the material state data that the described slave station PLC33 received sends.
In this programme, if locomotive engine is changed, as long as the SSID messaging parameter of the first preset IP address of its correspondence, locomotive engine station number, wireless transmitting terminals is informed each slave station PLC33 by locomotive engine Monitor And Control Subsystem 11, slave station PLC33 can calculate slave station TCP communication parameter such as the first default No. ID, passage, second by above-mentioned information (i.e. the SSID messaging parameter of the first preset IP address, locomotive engine station number, wireless transmitting terminals) and preset No. ID, passage and communication port numbers.The IP address of automatic generation corresponding slave station TCP communication parameter and wireless client 31, ensures that each slave station PLC33 connects different main website PLC23 and can normally connect, and realizes automatically adjusting communication object.
In this application, at the locomotive engine of cargo train, locomotive engine Monitor And Control Subsystem is installed, in the often joint compartment of cargo train, a compartment Monitor And Control Subsystem is installed respectively, often save compartment by respective wireless client, slave station directional antenna and locomotive WAP and slave station directional antenna, set up Ethernet radio communication to connect, thus got through main website PLC and slave station PLC and realize the physical channel that wireless ethernet communicates, connect on the basis of (namely get through main website PLC and slave station PLC and realize the physical channel that wireless ethernet communicates) setting up Ethernet radio communication, main website PLC sets up TCP with slave station PLC and is connected, to realize described slave station PLC, the material state data of described carriage material harvester collection are sent to described main website PLC in real time, thus achieve the material state real-time data transmission of carriage material harvester collection to main website PLC, main website PLC can by real-time reception to material state data be sent to man-machine interface and carry out showing or be sent to remote central station and show, reach the object of material state being carried out to monitoring in real time.
Again because main website PLC stores the material state data that the slave station PLC received sends, therefore can go out the state change of material in transportation according to the material state data analysis stored, thus achieve the state change of Real-Time Monitoring material in transportation.
Further, the cargo train material state supervisory system provided due to the application adopts Ethernet communication to carry out data transmission, complete monitoring, therefore do not need to connect telecommunication cable between the compartment, locomotive engine of cargo train, when cargo train compartment order carries out adjusting or compartment reintegrates, do not need to reconnect telecommunication cable, avoid long-term grafting operation and cause the hidden danger connecting insecure caused communication instability, interrupt; And owing to not needing to connect telecommunication cable, therefore after the adjustment of compartment order, do not need to reconnect telecommunication cable, workload is little.
Refer to Fig. 9, it illustrates the communication scheme of RFID read-write head in full-automatic read schemes.
In this programme, main website PLC23 and slave station PLC33 all has wireless ethernet communication capacity and industrial bus communication capacity, requires its small volume, modular design, stability is strong, working temperature is wide (0-60 DEG C, even-20-70 DEG C).Program and the significant data of main website PLC23 and slave station PLC33 keep function with power down.The simultaneously programming support LAD ladder diagram of main website PLC23 and slave station PLC33 and the programming of SCL structured text.
In this programme, if recombinate in the compartment of a row cargo train (namely putting in order of each compartment changes), because the slave station PLC33 in each compartment can generate the IP address of wireless client 31 in respective slave station TCP communication parameter and affiliated compartment thereof separately, and the IP address of the wireless client 31 generated is write wireless client 31, and the main website TCP communication parameter that each slave station TCP communication parameter and locomotive engine store has corresponding relation, automatically communication configuration is completed, therefore, it is possible to ensure locomotive engine and carry out normal wireless ethernet between each compartment and communicate, do not need manually to arrange the slave station TCP communication parameter of each slave station PLC33 and the IP address of respective wireless client 31, dirigibility is strong.
In this programme, refer to Figure 10, it illustrates the another kind of structural representation of the locomotive engine Monitor And Control Subsystem that the application provides, locomotive engine Monitor And Control Subsystem 11 also comprises: the man-machine interface 81 be connected with described main website PLC23.The man-machine interface 81 be connected with main website PLC23 is specifically as follows industrial computer.Operation monitoring software on industrial computer.Monitoring software realizes the functions such as picture is monitored, reported to the police, data filing, the inquiry of historical data by communicating with main website PLC23.
Concrete, industrial computer and main website PLC23 carry out ethernet line communication connection.Locomotive engine Monitor And Control Subsystem 11 can complete all material status datas that the compartment of all lift-launchs of this headstock of monitoring gathers, and monitors all carriage material status alerts and can file the material state data gathered.The data of filing can be carried out the inquiry of historical data easily in the later stage and review.Locomotive engine Monitor And Control Subsystem 11 is typical SCADA system in industrial automation control system, does not therefore repeat them here.
Refer to Figure 11, it illustrates a kind of entity schematic diagram of the locomotive engine Monitor And Control Subsystem that the application provides.
In this programme, refer to Figure 12, it illustrates another structural representation of the locomotive engine Monitor And Control Subsystem that the application provides, locomotive engine Monitor And Control Subsystem 11 can also comprise: the remote communication module 111 be connected with described main website PLC23, and the material state data for being received by described main website PLC23 are sent to train ground central station supervisory system.
Remote communication module is specifically as follows GPRS (general packet radio service technology, General Packet Radio Service) module or 3G SIM card or 4G SIM card.
The router of remote communication module and remote central station forms VPN (Virtual Private Network, VPN (virtual private network)) wireless ethernet communication network.The material state data in each joint compartment that main website PLC23 will be collected by VPN wireless ethernet communication network, vehicle position information, the information such as train integrality are sent to train ground central station supervisory system, complete teledata and monitor in real time.
Train ground central monitor system configuration public network fixed ip address and the router with VPN function, this router and remote communication module configure VPN passage, and realization can cover nationwide wireless ethernet monitor network.Meanwhile, train ground central station supervisory system sets up total supervisory system, is responsible for carrying out data acquisition and control with each long-range locomotive engine Monitor And Control Subsystem 11, monitors the material state monitored in each compartment in each train, vehicle-state and GPS address information etc.Simultaneously train ground central station supervisory system also can sending controling instruction to the locomotive engine Monitor And Control Subsystem 11 of each train, assign steering order.
In this programme, the mounting means of each equipment is as follows:
Control box can be installed in its side in each cargo train compartment, and compartment Monitor And Control Subsystem 12 is installed in control box.The instrument and the sensor that gather material state data are arranged near container, for the signal such as detected pressures, temperature, are sent to the slave station PLC33 in control box by Profibus-DP fieldbus or 4-20mA signal transmission form.Wherein, container is the device depositing material.
The installation of each RFID read-write head in this programme, needs to be placed in the nonmetal box of more than an IP65 grade.In semi-automatic read schemes, RFID read-write head can be arranged on side, compartment, and the height of RFID read-write head is moderate with adult height, and convenient operation personnel swipe the card operation.
In this programme, slave station directional antenna 32 is arranged on container top, and installation site needs with main website directional antenna 22 in same level position, and reaches direct line of sight and do not block.Slave station directional antenna 32 adopts feeder line mode to connect with the connection of wireless client 31 (Client), and main website directional antenna 22 adopts feeder line mode to connect with the connection of WAP 21.Slave station directional antenna 32 can do lightning protection process with the connection of wireless client 31 and the connection of main website directional antenna 22 and WAP 21 if desired.
If the contained material of cargo train has requirement of explosion proof, control box needs to do explosion-proof tank process.Collection signal Instrument use is supported the instrument that anti-explosion area uses as Profibus-PA instrument, to be connected to slave station PLC33 by explosion-proof bus mode.
In power supply, compartment Monitor And Control Subsystem 12 required voltage is that direct current 24V powers.After compartment and locomotive engine connect successively, the electric control system be positioned on compartment is powered and can be taked two kinds of modes.One be power supply from locomotive engine, often saving compartment head and the tail has and connects for plug fast, can realize alternating current 220V/380V or direct current 24V for electrical connection.If be Alternating Current Power Supply, then control box inside needs to configure the power module that 220V/380V turns direct current 24V.Another kind of for adopting battery powered mode, battery can provide 24V direct supply.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
For convenience of description, various unit is divided into describe respectively with function when describing above device.Certainly, the function of each unit can be realized in same or multiple software and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add required general hardware platform by software and realizes.Based on such understanding, the technical scheme of the application can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the application or embodiment.
Above a kind of cargo train material state supervisory system that the application provides is described in detail, apply specific case herein to set forth the principle of the application and embodiment, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (9)
1. a cargo train material state supervisory system, is characterized in that, comprising: locomotive engine Monitor And Control Subsystem and multiple compartments Monitor And Control Subsystem, often saves compartment and is provided with a compartment Monitor And Control Subsystem;
Described locomotive engine Monitor And Control Subsystem comprises: WAP, the main website directional antenna be connected with described WAP, the main website programmable logic controller (PLC) PLC be connected with described WAP and the main website RFID storage card being installed on locomotive engine afterbody and main website RFID read-write head, and described locomotive engine afterbody is one end that locomotive engine connects compartment;
Described compartment Monitor And Control Subsystem comprises: wireless client, the slave station directional antenna be connected with described wireless client, the slave station PLC be connected with carriage material harvester with described wireless client respectively and the slave station RFID read-write device be connected with described slave station PLC;
Described main website PLC stores multiple master station transmission control protocol TCP communication parameter, and described main website TCP communication parameter at least comprises the IP address of slave station PLC, No. ID, the passage of intercommunication and communication port numbers;
Described main website RFID read-write head, for reading locomotive engine station number, the SSID name of described WAP and the IP address of IP address and described main website PLC from described main website PLC, and writes described main website RFID storage card by the information read;
Described RFID storage card, for storing the IP address of the station number of locomotive engine station number or compartment, the SSID name of described WAP and IP address and described main website PLC;
Described slave station RFID read-write device for read locomotive engine station number or read be connected with compartment belonging to this slave station RFID read-write device the station number in compartment, front end, the SSID name of described WAP and IP address and described main website PLC IP address, and the information read is write described slave station PLC, compartment, described front end is on direction of traffic, near described locomotive compartment;
The station number in compartment, front end that described slave station PLC uses described locomotive engine station number or is connected with compartment belonging to this slave station RFID read-write device, generates the station number in compartment belonging to this slave station PLC and the slave station TCP communication parameter of this slave station PLC;
Described wireless client, by described slave station directional antenna, described main website directional antenna and the SSID name of described WAP got from described slave station PLC and IP address, is set up Ethernet radio communication with described WAP and is connected;
On the basis setting up the connection of Ethernet radio communication, described main website PLC sets up TCP with described slave station PLC by described slave station TCP communication parameter and is connected, and to realize described slave station PLC, the material state data of described carriage material harvester collection is sent to described main website PLC in real time;
Described main website PLC stores the material state data that the described slave station PLC received sends.
2. cargo train material state supervisory system according to claim 1, is characterized in that, described slave station RFID read-write device is specially: the first slave station RFID read-write head.
3. cargo train material state supervisory system according to claim 1, it is characterized in that, described slave station RFID read-write device comprises: the second slave station RFID read-write head being installed on carriage head and the 3rd slave station RFID read-write head being installed on compartment afterbody and slave station RFID storage card, described carriage head is on direction of traffic, compartment is near described locomotive one end, and described compartment afterbody is the other end corresponding with described head;
Described second slave station RFID read-write head is for the information read in described main website RFID storage card or the information read in the slave station RFID storage card in the compartment, front end be connected with compartment belonging to this second slave station RFID read-write head, and the information read is write described slave station PLC, wherein, the information in the slave station RFID storage card in the compartment be connected with compartment belonging to this second slave station RFID read-write head comprise be connected with compartment belonging to this second slave station RFID read-write head the station number in compartment, front end, the SSID name of described WAP and IP address and described main website PLC IP address;
Described 3rd slave station RFID read-write head is used for the IP address obtaining the station number in compartment belonging to described slave station PLC, the SSID name of described WAP and IP address and described main website PLC from described slave station PLC, and the information got is write described slave station RFID storage card.
4. cargo train material state supervisory system according to claim 1, is characterized in that, described WAP is provided with the first serial communicating programme mouth, and described wireless client is provided with the second serial communicating programme mouth.
5. cargo train material state supervisory system according to claim 1, is characterized in that, described locomotive engine Monitor And Control Subsystem also comprises: the man-machine interface be connected with described main website PLC.
6. cargo train material state supervisory system according to claim 1, is characterized in that, described locomotive engine Monitor And Control Subsystem also comprises:
The remote communication module be connected with described main website PLC, the material state data for being received by described main website PLC are sent to train ground central station supervisory system.
7. cargo train material state supervisory system according to claim 6, it is characterized in that, described remote communication module comprises:
GPRS module.
8. cargo train material state supervisory system according to claim 6, it is characterized in that, described remote communication module comprises:
3G SIM card.
9. cargo train material state supervisory system according to claim 6, it is characterized in that, described remote communication module comprises:
4G SIM card.
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| CN201410471804.XA CN104238518B (en) | 2014-09-16 | 2014-09-16 | Material state monitoring system for freight train |
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| CN201410471804.XA CN104238518B (en) | 2014-09-16 | 2014-09-16 | Material state monitoring system for freight train |
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| CN111137700A (en) * | 2019-09-02 | 2020-05-12 | 浙江中控技术股份有限公司 | Method suitable for batch ordering of train loading |
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