CN102937444A - Wireless sensor network node for water depth monitoring - Google Patents
Wireless sensor network node for water depth monitoring Download PDFInfo
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- CN102937444A CN102937444A CN2012104585975A CN201210458597A CN102937444A CN 102937444 A CN102937444 A CN 102937444A CN 2012104585975 A CN2012104585975 A CN 2012104585975A CN 201210458597 A CN201210458597 A CN 201210458597A CN 102937444 A CN102937444 A CN 102937444A
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Abstract
The invention relates to a wireless sensor network node for water depth monitoring. An RS232 serial port signal output interface of an ultrasonic ranging sensor module is connected with an RxD interface of a serial communication module, and a signal control output interface is connected with a digit input/output (I/O)1 interface of a BX-WSN node module. An RS232 level switch output interface of a serial communication circuit module is connected with a UATR1RX interface of the BX-WSN node module. A Z-shaft acceleration signal output interface of a dip angle detection circuit module is connected with an analog-digital conversion ADC interface of the BX-WSN node module, and a dormancy enabling interface is connected with a digit input/output (I/O)2 interface of the BX-WSN node module. The wireless sensor network node uses ultrasonic waves to conduct water depth measurement, simultaneously uses dip angle detection and correction errors to obtain accurate data through wireless network and conducts real-time, long-distance and large-area monitoring on a target water area.
Description
Technical field
The present invention relates to wireless sensor network (Wireless Sensor Network, WSN) technical field, be specifically related to a kind of wireless senser network node equipment based on the range observation of the ultrasound wave depth of water, inclination angle detection correction error and data transmission.
Background technology
Wireless sensor network forms by being deployed in microsensor nodes a large amount of in monitored area, the network system of the self-organization of the multi-hop formed by communication, its objective is that perception collaboratively, collection, processing and transmission network cover the monitoring information of perceptive object in geographic area, and the person that reports to the acquisition of information.Sensor, perceptive object and acquisition of information person have formed three key elements of wireless sensor network.The WSN technological synthesis sensor technology, embedded computing technique, network technology, distributed information processing and the communication technology, there is very wide application prospect in fields such as military and national defense, industrial or agricultural control, city management, environment measuring, rescue and relief work, hazardous location Long-distance Control.
Development and widespread use along with high-tech bathymetric surveying means, the accuracy of observation of bathymetric surveying improves greatly, yet the sounding error problem in bathymetric surveying still exists, as instrument error, wave error, reading error etc., must restrict the raising of bathymetric surveying overall accuracy.And traditional bathymetric surveying manual measurement often, the cost of measurement is higher and can't accomplish Real-Time Monitoring.
Because ultrasound wave directive property is strong, energy consumption is slow, distant at Propagation, thereby ultrasound wave is usually used in the measurement of distance.Utilize ultrasound examination often relatively rapidly, convenient, calculate simple, be easy to accomplish real-time control, and can reach the practical requirement of industry aspect measuring accuracy.
The invention provides a kind of wireless sensor network node that can be used for depth of water monitoring, real-time, long-range and large-area requirement for current hydrologic monitoring, the Real-Time Monitoring of realization to target water depth situation, thereby as the important component part of whole wireless depth of water monitoring sensor network system.
Summary of the invention
The objective of the invention is in order to overcome the deficiency in the bathymetric survey technology, a kind of wireless sensor network node that can be used for depth of water monitoring is provided, only need just can have carried out real-time, long-range, large-area monitoring to the depth of water in target waters by simple installation at the scene.
The concrete technical scheme that the present invention takes:
The wireless sensor network node that can be used for depth of water monitoring comprises BX-WSN node module, ultrasonic distance-measuring sensor module, serial communication circuit module, inclination angle detection circuit module.
Described BX-WSN node module is product type BX-WSN wireless sensor network node, its power interface VCC is the ultrasonic distance-measuring sensor module, serial communication circuit module and inclination angle detection circuit module provide power supply, serial communication interface UART1Rx connects the interface 2 of connector J1 in the serial communication circuit module, analog to digital conversion ADC interface connects the interface 3 of connector J4 in the inclination angle detection module, numeral I/O1 interface connects the interface 1 of ultrasonic distance-measuring sensor module, numeral I/O2 interface connects the interface 4 of connector J4 in the inclination angle detection module, GND interface ground connection.
Described ultrasonic distance-measuring sensor module is product type MB7067 ultrasonic distance-measuring sensor, provide 7 to patch interface, wherein signal controlling output interface 1 connects the digital I/O1 interface of BX-WSN node module, interface 2,4 is not used, interface 3 is unsettled, the RxD interface that RS232 rs 232 serial interface signal output interface 5 connects in the serial communication circuit module, power supply VCC interface connects BX-WSN node module power interface, GND interface ground connection.
Described serial communication circuit module comprises the first filter capacitor C1, the second filter capacitor C2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, connector J1, connector J2, the first current-limiting resistance R1, the second current-limiting resistance R2, the 3rd current-limiting resistance R3, the first pilot lamp D1, the second pilot lamp D2, the 3rd pilot lamp D3 and serial communication level transferring chip U1, 1 pin of serial communication level transferring chip U1 connects the end of the first filter capacitor C1, 2 pin of serial communication level transferring chip U1 connect the end of the 3rd filter capacitor C3, the other end of the 3rd filter capacitor C3 connects 16 pin of serial communication level transferring chip U1, 3 pin of serial communication level transferring chip U1 connect the other end of the first filter capacitor C1, 4 pin of serial communication level transferring chip U1 connect the end of the second filter capacitor C2, 5 pin of serial communication level transferring chip U1 connect the other end of the second filter capacitor C2, 6 pin of serial communication level transferring chip U1 connect the end of the 5th filter capacitor C5, 11 pin of serial communication level transferring chip U1 connect 3 pin of connector J2, 12 pin of serial communication level transferring chip U1 connect 4 pin of connector J2, 13 pin of serial communication level transferring chip U1 connect 3 pin of connector J1, 14 pin of serial communication level transferring chip U1 connect 2 pin of connector J1, 15 pin of serial communication level transferring chip U1 connect the other end the ground connection of the 5th filter capacitor C5, 16 pin of serial communication level transferring chip U1 connect the 3.3V power supply, the end of the 4th filter capacitor C4 connects 16 pin of serial communication level transferring chip U1, the other end ground connection of the 4th filter capacitor C4, 7 pin of serial communication level transferring chip U1, 8 pin, 9 pin, 10 pin are unsettled, the 5 pin ground connection of connector J1,1 pin of connector J1,4 pin, 6 pin, 7 pin, 8 pin, 9 pin are unsettled, 1 pin of connector J2 connects 3.3V power supply, the 2 pin ground connection of connector J2, the positive pole of the first pilot lamp D1 connects the end of the first current-limiting resistance R1, the minus earth of the first pilot lamp D1, another termination VCC of the first current-limiting resistance R1, the positive pole of the second pilot lamp D2 connects the end of the second current-limiting resistance R2, the minus earth of the second pilot lamp D2, another termination TxD signal of the second current-limiting resistance R2, the positive pole of the 3rd pilot lamp D3 connects the end of the 3rd current-limiting resistance R3, the minus earth of the 3rd pilot lamp D3, another termination RxD signal of the 3rd current-limiting resistance R3, described serial communication level transferring chip U1 adopts the semi-conductive MAX3232E of U.S. letter.
Described inclination angle detection circuit module comprises the 6th filter capacitor C6, the 7th filter capacitor C7, the 8th filter capacitor C8, the 9th filter capacitor C9, the tenth filter capacitor C10, the 11 filter capacitor C11, the 12 filter capacitor C12, connector J3, connector J4, the 4th pilot lamp D4, the 4th current-limiting resistance R4, three-axis acceleration transducer chip U2, three terminal regulator U3, 2 pin of three-axis acceleration transducer chip U2 connect 1 pin of connector J4, 3 pin of three-axis acceleration transducer chip U2 connect 2 pin of connector J4, 4 pin of three-axis acceleration transducer chip U2 connect 3 pin of connector J4, the 5 pin ground connection of three-axis acceleration transducer chip U2, 6 pin of three-axis acceleration transducer chip U2 connect VCC, 7 pin of three-axis acceleration transducer chip U2 connect 4 pin of connector J4, 9 pin of three-axis acceleration transducer chip U2 connect 5 pin of connector J4, 10 pin of three-axis acceleration transducer chip U2 connect 4 pin of connector J3, 13 pin of three-axis acceleration transducer chip U2 connect 5 pin of connector J3, 1 pin of three-axis acceleration transducer chip U2, 8 pin, 11 pin, 12 pin, 14 pin are unsettled, the end of the 6th filter capacitor C6 connects 2 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 6th filter capacitor C6, the end of the 7th filter capacitor C7 connects 3 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 7th filter capacitor C7, the end of the 8th filter capacitor C8 connects 4 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 8th filter capacitor C8, the end of the 9th filter capacitor C9 connects 6 pin of three-axis acceleration transducer chip U2, and the other end of the 9th filter capacitor C9 connects 5 pin of three-axis acceleration transducer chip U2, 2 pin of connector J3 connect 3.3V power supply, the 3 pin ground connection of connector J3, the anodal end that connects the 4th current-limiting resistance R4 of the 4th pilot lamp D4, the 4th pilot lamp D4 minus earth, another termination VCC of the 4th current-limiting resistance R4, the end of the tenth filter capacitor C10 connects 1 pin of three terminal regulator U3, the other end ground connection of the tenth filter capacitor C10, the end of the 11 filter capacitor C11 connects 1 pin of three terminal regulator U3, the other end ground connection of the 11 filter capacitor C11, the end of the 12 filter capacitor C12 connects 3 pin of three terminal regulator U3, the other end ground connection of the 12 filter capacitor C12, the 2 pin ground connection of three terminal regulator U3, described three-axis acceleration transducer chip U2 adopts Freescale minisize condenser type 3-axis acceleration sensor MMA7361, and three terminal regulator U3 adopts the RT9161-33CV of vertical Qi.
With background technology, compare, beneficial effect of the present invention is:
(1) present device, based on wireless sensor network, utilizes ultrasound wave to carry out bathymetric survey, utilizes the inclination angle detection correction error simultaneously, by the wireless data comparatively accurately that obtain, the depth of water in target waters is carried out to real-time, long-range, large-area monitoring.
(2) the present device operation energy consumption low, on-the-spot easy for installation, inner structure simple, long service life and cost low.Equipment adopts low power design technique, has reduced system energy consumption, but long-play; System power supply can be selected powered battery or two core Power supplies.
(3) strong adaptability of equipment.Each parts of node device all adopt the device that meets the technical grade standard, have stronger adaptability under rugged surroundings, taken into full account aquatic environment moistureproof, anticorrosion and safety etc. factor.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is use occasion of the present invention;
Fig. 2 is the wireless sensor network node structural representation that the present invention can be used for depth of water monitoring;
Fig. 3 is BX-WSN node module schematic diagram in Fig. 2;
Fig. 4 is ultrasonic distance-measuring sensor module diagram in Fig. 2;
Fig. 5 is serial communication circuit module diagram in Fig. 2;
Fig. 6 is inclination angle detection circuit module schematic diagram in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the occasion that the wireless sensor network node of depth of water monitoring is used is the waters such as reservoir, navigation channel.Wireless sensor network depth of water monitoring system comprises wireless sensor network node 1-1, aggregation node 1-2, the display terminal 1-3 that can be used for depth of water monitoring.
As shown in Figure 2, the present invention includes BX-WSN node 2-1, ultrasonic distance-measuring sensor 2-2, serial communication circuit 2-3, inclination angle detection circuit 2-4.
As shown in Figure 3, the BX-WSN node is product type BX-WSN wireless sensor network node, be the universal nodes that aims at Design of Wireless Sensor Network, its structure can be divided into power supply module, processor module, wireless communication module, serial port module, sensor assembly.The BX-WSN node provides for the user expansion interface that connects other equipment, as provides external serial communication interface UART0 and UART1, a plurality of digital I/O interfaces and a plurality of analog to digital conversion ADC interfaces etc.The BX-WSN node provides abundant expansion interface, only the interface used is done to brief description at this: other modules that power interface VCC is the wireless sensor network node that can be used for depth of water monitoring provide power supply, serial communication interface UART1Rx connects the interface 2 of serial communication circuit module connector J1, analog to digital conversion ADC interface connects the interface 3 of inclination angle detection module connector J4, numeral I/O1 interface connects the interface 1 of ultrasonic distance-measuring sensor module, numeral I/O2 interface connects the interface 4 of inclination angle detection module connector J4, GND interface ground connection.
As shown in Figure 4, described ultrasonic distance-measuring sensor is product type MB7067 ultrasonic distance-measuring sensor, this sensor accuracy is high, good waterproof performance, stable performance, can resist the interference of various weather conditions, can be adapted to outdoor-monitoring, have the functions such as automatic calibration, real-time de-noising simultaneously, three kinds of way of outputs are respectively the RS232 rs 232 serial interface signal way of output, analog output mode and the pulse way of output.The present invention selects the RS232 rs 232 serial interface signal way of output.This sensor provides 7 to patch interface, wherein signal controlling output interface 1 connects the digital I/O1 interface of BX-WSN node module, interface 2,4 is not used, interface 3 is unsettled, RS232 rs 232 serial interface signal output interface 5 connects the RxD interface of serial communication circuit, power supply VCC interface connects BX-WSN node module power supply supply interface, GND interface ground connection.
As shown in Figure 5, described serial communication circuit comprises the first filter capacitor C1, the second filter capacitor C2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, connector J1, connector J2, the first current-limiting resistance R1, the second current-limiting resistance R2, the 3rd current-limiting resistance R3, the first pilot lamp D1, the second pilot lamp D2, the 3rd pilot lamp D3, serial communication level transferring chip U1.1 pin of serial communication level transferring chip U1 connects the end of the first filter capacitor C1, 2 pin of serial communication level transferring chip U1 connect the end of the 3rd filter capacitor C3, the other end of the 3rd filter capacitor C3 connects 16 pin of serial communication level transferring chip U1, 3 pin of serial communication level transferring chip U1 connect the other end of the first filter capacitor C1, 4 pin of serial communication level transferring chip U1 connect the end of the second filter capacitor C2, 5 pin of serial communication level transferring chip U1 connect the other end of the second filter capacitor C2, 6 pin of serial communication level transferring chip U1 connect the end of the 5th filter capacitor C5, 11 pin of serial communication level transferring chip U1 connect 3 pin of connector J2, 12 pin of serial communication level transferring chip U1 connect 4 pin of connector J2, 13 pin of serial communication level transferring chip U1 connect 3 pin of connector J1, 14 pin of serial communication level transferring chip U1 connect 2 pin of connector J1, 15 pin of serial communication level transferring chip U1 connect the other end the ground connection of the 5th filter capacitor C5, 16 pin of serial communication level transferring chip U1 connect the 3.3V power supply, the end of the 4th filter capacitor C4 connects 16 pin of serial communication level transferring chip U1, the other end ground connection of the 4th filter capacitor C4, 7 pin of serial communication level transferring chip U1, 8 pin, 9 pin, 10 pin are unsettled, the 5 pin ground connection of connector J1,1 pin of connector J1,4 pin, 6 pin, 7 pin, 8 pin, 9 pin are unsettled, 1 pin of connector J2 connects 3.3V power supply, the 2 pin ground connection of connector J2, the positive pole of the first pilot lamp D1 connects the end of the first current-limiting resistance R1, the minus earth of the first pilot lamp D1, another termination VCC of the first current-limiting resistance R1, the positive pole of the second pilot lamp D2 connects the end of the second current-limiting resistance R2, the minus earth of the second pilot lamp D2, another termination TxD signal of the second current-limiting resistance R2, the positive pole of the 3rd pilot lamp D3 connects the end of the 3rd current-limiting resistance R3, the minus earth of the 3rd pilot lamp D3, another termination RxD signal of the 3rd current-limiting resistance R3.The first filter capacitor C1 adopts the 0.1uF/25V electrochemical capacitor, the second filter capacitor C2 adopts the 0.1uF/25V electrochemical capacitor, the 3rd filter capacitor C3 adopts the 0.1uF/25V electrochemical capacitor, the 4th filter capacitor C4 adopts the 0.1uF/25V electrochemical capacitor, the 5th filter capacitor C5 adopts the 0.1uF/25V electrochemical capacitor, connector J1 adopts the DB9 connector, connector J2 adopts the XH2.54-4P connector, the first current-limiting resistance R1 adopts 1k Ω/0.125W resistance, the second current-limiting resistance R2 adopts 1k Ω/0.125W resistance, the 3rd current-limiting resistance R3 adopts 1k Ω/0.125W resistance, the first pilot lamp D2 adopts red light emitting diodes, the second pilot lamp D3 adopts green LED, the 3rd pilot lamp D4 adopts yellow light-emitting diode, serial communication level transferring chip U1 adopts the semi-conductive MAX3232E of U.S. letter, and serial communication circuit is used for connecting ultrasonic distance-measuring sensor module and BX-WSN node module, the first filter capacitor C1 wherein, the second filter capacitor C2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5 is used for providing filtering for serial communication level transferring chip U1, the first current-limiting resistance R1 is used for to the first pilot lamp D1 current limliting, the second current-limiting resistance R2 is used for to the second pilot lamp D2 current limliting, the 3rd current-limiting resistance R3 is used for to the 3rd pilot lamp D3 current limliting, whether the first pilot lamp D1 is used to refer to power supply normal, the second pilot lamp D2 is used to refer to whether the TxD signal is arranged, the 3rd pilot lamp D3 is used to refer to whether the RxD signal is arranged, connector J1 is used for connecting the BX-WSN node module, connector J2 is used for connecting the ultrasonic distance-measuring sensor module, serial communication level transferring chip U1 is used for realizing the conversion of Transistor-Transistor Logic level and EIA level in the RS232 serial communication.
As shown in Figure 6, described inclination angle detection circuit module comprises the 6th filter capacitor C6, the 7th filter capacitor C7, the 8th filter capacitor C8, the 9th filter capacitor C9, the tenth filter capacitor C10, the 11 filter capacitor C11, the 12 filter capacitor C12, connector J3, connector J4, the 4th pilot lamp D4, the 4th current-limiting resistance R4, three-axis acceleration transducer chip U2, three terminal regulator U3.2 pin of three-axis acceleration transducer chip U2 connect 1 pin of connector J4, 3 pin of three-axis acceleration transducer chip U2 connect 2 pin of connector J4, 4 pin of three-axis acceleration transducer chip U2 connect 3 pin of connector J4, the 5 pin ground connection of three-axis acceleration transducer chip U2, 6 pin of three-axis acceleration transducer chip U2 connect VCC, 7 pin of three-axis acceleration transducer chip U2 connect 4 pin of connector J4, 9 pin of three-axis acceleration transducer chip U2 connect 5 pin of connector J4, 10 pin of three-axis acceleration transducer chip U2 connect 4 pin of connector J3, 13 pin of three-axis acceleration transducer chip U2 connect 5 pin of connector J3, 1 pin of three-axis acceleration transducer chip U2, 8 pin, 11 pin, 12 pin, 14 pin are unsettled, the end of the 6th filter capacitor C6 connects 2 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 6th filter capacitor C6, the end of the 7th filter capacitor C7 connects 3 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 7th filter capacitor C7, the end of the 8th filter capacitor C8 connects 4 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 8th filter capacitor C8, the end of the 9th filter capacitor C9 connects 6 pin of three-axis acceleration transducer chip U2, and the other end of the 9th filter capacitor C9 connects 5 pin of three-axis acceleration transducer chip U2, 2 pin of connector J3 connect 3.3V power supply, the 3 pin ground connection of connector J3, the anodal end that connects the 4th current-limiting resistance R4 of the 4th pilot lamp D4, the 4th pilot lamp D4 minus earth, another termination power VCC of the 4th current-limiting resistance R4, the end of the tenth filter capacitor C10 connects 1 pin of three terminal regulator U3, the other end ground connection of the tenth filter capacitor C10, the end of the 11 filter capacitor C11 connects 1 pin of three terminal regulator U3, the other end ground connection of the 11 filter capacitor C11, the end of the 12 filter capacitor C12 connects 3 pin of three terminal regulator U3, the other end ground connection of the 12 filter capacitor C12, the 2 pin ground connection of three terminal regulator U3.The 6th filter capacitor C6 adopts the 3.3nF/25V patch capacitor, the 7th filter capacitor C7 adopts the 3.3nF/25V patch capacitor, the 8th filter capacitor C8 adopts the 3.3nF/25V patch capacitor, the 9th filter capacitor C9 adopts the 0.01uF/25V patch capacitor, the tenth filter capacitor C10 adopts the 0.01uF/25V patch capacitor, the 11 filter capacitor C11 adopts the 10uF/16V patch capacitor, the 12 filter capacitor C12 adopts the 10uF/16V patch capacitor, the 4th pilot lamp D4 adopts red light emitting diodes, the 4th current-limiting resistance R4 adopts 1k Ω/0.125W resistance, three-axis acceleration transducer chip U2 adopts Freescale minisize condenser type 3-axis acceleration sensor MMA7361, three terminal regulator U3 adopts the RT9161-33CV of vertical Qi.The 6th filter capacitor C6 wherein, the 7th filter capacitor C7, the 8th filter capacitor C8, the 9th filter capacitor C9 provides filtering for three-axis acceleration transducer chip U2, the tenth filter capacitor C10, the 11 filter capacitor C11, the 12 filter capacitor C12 is used for as the 3.3V power filter, connector J3, connector J4 is used for connecting the BX-WSN node, the 4th current-limiting resistance R4 is used for to the 4th pilot lamp D4 current limliting, whether the 4th pilot lamp D4 is used to refer to power supply normal, three-axis acceleration transducer chip U2 is used for producing the 3-axis acceleration signal, three terminal regulator U3 is used for producing the 3.3V power supply.
The course of work of the present invention is:
In the present invention, the power module of BX-WSN node module is ultrasonic distance-measuring sensor module, serial communication circuit module, inclination angle detection module for power supply.
Within certain cycle length, the digital I/O1 interface of BX-WSN node module sets high level, open the RS232 rs 232 serial interface signal way of output of ultrasonic distance-measuring sensor module, now the ultrasonic distance-measuring sensor module is carried out the perception measurement to the depth of water, and the data that obtain transfer to the processor of BX-WSN node module after serial communication circuit module level conversion.The communications protocol of ultrasonic distance-measuring sensor module and BX-WSN node module is: the data volume sent in one-period has 5 bytes, comprises the synchronous head of a byte, the end mark of the valid data of three bytes and a byte.Wherein synchronous head is a byte ASCII character " R ", and end mark is ASCII character " 13 ".The processor of BX-WSN node module is processed and is obtained valid data according to communications protocol, and ASCII character form data are converted to normal data.
Within the identical time cycle, the digital I/O2 interface of BX-WSN node module sets high level, the dormancy of opening the inclination angle detection module enables interface, now the inclination angle detection module is in running order, degree of tilt to node location is carried out the perception measurement, the data that obtain transfer to the processor of BX-WSN node module after the AD conversion, and the datum that processor sets according to intra-node carries out computing to data.
Finally, the data of the wireless communication module of BX-WSN node module after finally processing send.The data of each node monitoring are transmitted along other node hop-by-hop ground, are routed to aggregation node after multi-hop, arrive processing terminal.
Claims (1)
1. can be used for the wireless sensor network node of depth of water monitoring, comprise BX-WSN node module, ultrasonic distance-measuring sensor module, serial communication circuit module, inclination angle detection circuit module, it is characterized in that:
Described BX-WSN node module is product type BX-WSN wireless sensor network node, its power interface VCC is the ultrasonic distance-measuring sensor module, serial communication circuit module and inclination angle detection circuit module provide power supply, serial communication interface UART1Rx connects the interface 2 of connector J1 in the serial communication circuit module, analog to digital conversion ADC interface connects the interface 3 of connector J4 in the inclination angle detection module, numeral I/O1 interface connects the interface 1 of ultrasonic distance-measuring sensor module, numeral I/O2 interface connects the interface 4 of connector J4 in the inclination angle detection module, GND interface ground connection,
Described ultrasonic distance-measuring sensor module is product type MB7067 ultrasonic distance-measuring sensor, provide 7 to patch interface, wherein signal controlling output interface 1 connects the digital I/O1 interface of BX-WSN node module, interface 2,4 is not used, interface 3 is unsettled, the RxD interface that RS232 rs 232 serial interface signal output interface 5 connects in the serial communication circuit module, power supply VCC interface connects BX-WSN node module power interface, GND interface ground connection;
Described serial communication circuit module comprises the first filter capacitor C1, the second filter capacitor C2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, connector J1, connector J2, the first current-limiting resistance R1, the second current-limiting resistance R2, the 3rd current-limiting resistance R3, the first pilot lamp D1, the second pilot lamp D2, the 3rd pilot lamp D3 and serial communication level transferring chip U1, 1 pin of serial communication level transferring chip U1 connects the end of the first filter capacitor C1, 2 pin of serial communication level transferring chip U1 connect the end of the 3rd filter capacitor C3, the other end of the 3rd filter capacitor C3 connects 16 pin of serial communication level transferring chip U1, 3 pin of serial communication level transferring chip U1 connect the other end of the first filter capacitor C1, 4 pin of serial communication level transferring chip U1 connect the end of the second filter capacitor C2, 5 pin of serial communication level transferring chip U1 connect the other end of the second filter capacitor C2, 6 pin of serial communication level transferring chip U1 connect the end of the 5th filter capacitor C5, 11 pin of serial communication level transferring chip U1 connect 3 pin of connector J2, 12 pin of serial communication level transferring chip U1 connect 4 pin of connector J2, 13 pin of serial communication level transferring chip U1 connect 3 pin of connector J1, 14 pin of serial communication level transferring chip U1 connect 2 pin of connector J1, 15 pin of serial communication level transferring chip U1 connect the other end the ground connection of the 5th filter capacitor C5, 16 pin of serial communication level transferring chip U1 connect the 3.3V power supply, the end of the 4th filter capacitor C4 connects 16 pin of serial communication level transferring chip U1, the other end ground connection of the 4th filter capacitor C4, 7 pin of serial communication level transferring chip U1, 8 pin, 9 pin, 10 pin are unsettled, the 5 pin ground connection of connector J1,1 pin of connector J1,4 pin, 6 pin, 7 pin, 8 pin, 9 pin are unsettled, 1 pin of connector J2 connects 3.3V power supply, the 2 pin ground connection of connector J2, the positive pole of the first pilot lamp D1 connects the end of the first current-limiting resistance R1, the minus earth of the first pilot lamp D1, another termination VCC of the first current-limiting resistance R1, the positive pole of the second pilot lamp D2 connects the end of the second current-limiting resistance R2, the minus earth of the second pilot lamp D2, another termination TxD signal of the second current-limiting resistance R2, the positive pole of the 3rd pilot lamp D3 connects the end of the 3rd current-limiting resistance R3, the minus earth of the 3rd pilot lamp D3, another termination RxD signal of the 3rd current-limiting resistance R3, described serial communication level transferring chip U1 adopts the semi-conductive MAX3232E of U.S. letter,
Described inclination angle detection circuit module comprises the 6th filter capacitor C6, the 7th filter capacitor C7, the 8th filter capacitor C8, the 9th filter capacitor C9, the tenth filter capacitor C10, the 11 filter capacitor C11, the 12 filter capacitor C12, connector J3, connector J4, the 4th pilot lamp D4, the 4th current-limiting resistance R4, three-axis acceleration transducer chip U2, three terminal regulator U3, 2 pin of three-axis acceleration transducer chip U2 connect 1 pin of connector J4, 3 pin of three-axis acceleration transducer chip U2 connect 2 pin of connector J4, 4 pin of three-axis acceleration transducer chip U2 connect 3 pin of connector J4, the 5 pin ground connection of three-axis acceleration transducer chip U2, 6 pin of three-axis acceleration transducer chip U2 connect VCC, 7 pin of three-axis acceleration transducer chip U2 connect 4 pin of connector J4, 9 pin of three-axis acceleration transducer chip U2 connect 5 pin of connector J4, 10 pin of three-axis acceleration transducer chip U2 connect 4 pin of connector J3, 13 pin of three-axis acceleration transducer chip U2 connect 5 pin of connector J3, 1 pin of three-axis acceleration transducer chip U2, 8 pin, 11 pin, 12 pin, 14 pin are unsettled, the end of the 6th filter capacitor C6 connects 2 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 6th filter capacitor C6, the end of the 7th filter capacitor C7 connects 3 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 7th filter capacitor C7, the end of the 8th filter capacitor C8 connects 4 pin of three-axis acceleration transducer chip U2, the other end ground connection of the 8th filter capacitor C8, the end of the 9th filter capacitor C9 connects 6 pin of three-axis acceleration transducer chip U2, and the other end of the 9th filter capacitor C9 connects 5 pin of three-axis acceleration transducer chip U2, 2 pin of connector J3 connect 3.3V power supply, the 3 pin ground connection of connector J3, the anodal end that connects the 4th current-limiting resistance R4 of the 4th pilot lamp D4, the 4th pilot lamp D4 minus earth, another termination VCC of the 4th current-limiting resistance R4, the end of the tenth filter capacitor C10 connects 1 pin of three terminal regulator U3, the other end ground connection of the tenth filter capacitor C10, the end of the 11 filter capacitor C11 connects 1 pin of three terminal regulator U3, the other end ground connection of the 11 filter capacitor C11, the end of the 12 filter capacitor C12 connects 3 pin of three terminal regulator U3, the other end ground connection of the 12 filter capacitor C12, the 2 pin ground connection of three terminal regulator U3, described three-axis acceleration transducer chip U2 adopts Freescale minisize condenser type 3-axis acceleration sensor MMA7361, and three terminal regulator U3 adopts the RT9161-33CV of vertical Qi.
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CN102663881A (en) * | 2012-04-05 | 2012-09-12 | 杭州电子科技大学 | Vibration monitoring node with functions of wire communication and wireless networking |
CN202928575U (en) * | 2012-11-14 | 2013-05-08 | 浙江水利水电专科学校 | Wireless sensor network node for water depth monitoring |
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CN202058029U (en) * | 2011-05-25 | 2011-11-30 | 杭州电子科技大学 | CAN bus sensor node |
CN102663881A (en) * | 2012-04-05 | 2012-09-12 | 杭州电子科技大学 | Vibration monitoring node with functions of wire communication and wireless networking |
CN202928575U (en) * | 2012-11-14 | 2013-05-08 | 浙江水利水电专科学校 | Wireless sensor network node for water depth monitoring |
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