CN102841875A - Host computer with intelligent bus interface and security system - Google Patents
Host computer with intelligent bus interface and security system Download PDFInfo
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- CN102841875A CN102841875A CN2012102311824A CN201210231182A CN102841875A CN 102841875 A CN102841875 A CN 102841875A CN 2012102311824 A CN2012102311824 A CN 2012102311824A CN 201210231182 A CN201210231182 A CN 201210231182A CN 102841875 A CN102841875 A CN 102841875A
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Abstract
The invention discloses a host computer with an intelligent bus interface, and aims at providing a host computer capable of making different devices of different types, different protocols, different addresses and different baud rates simultaneously share one bus interface to be communicated with the host computer, and the host computer comprises a bus interface which is connected with devices through a bus, and the host computer with the intelligent bus interface also comprises a bus management module which is connected with the bus interface and a device management module which is connected with the bus interface and the bus management module, wherein the occupation of the bus is gradually allocated to each device according to time slices, a parameter of the bus is adjusted to the parameter which is consistent with the device when each device acquires the bus occupation, and a communication starting instruction is transmitted; and the device management module receives the communication starting instruction and notifies the host computer to utilize a protocol corresponding to the device acquiring the occupation to be communicated with the device according to the communication starting instruction. The invention also discloses a security system. The host computer with the intelligent bus interface can be used for the security system.
Description
Technical field
The present invention relates to technical field of security and protection, especially relate to the EBI of safety-protection system.
Background technology
Along with the development and the increasingly extensive application of the communication technology of digital technology, a present safety-protection system often is made up of polytype a plurality of equipment, interconnects communication through various buses and EBI between main frame and the equipment.See also Fig. 3; This figure has disclosed the principle of existing safety-protection system; Main frame is provided with EBI A and EBI B, and EBI A connects the several A kind equipment through bus A, like category-A equipment 1 to category-A equipment N; EBI B connects some category-B equipment through bus B, like category-B equipment 1 to category-B equipment M.
In the existing technology; Same bus of main frame generally can only be connected same type equipment with EBI; The bus that is connected between equipment and the main frame can only adopt with a kind of agreement, baud rate communication; The equipment of dissimilar, different agreement, different baud rates is shared same bus and EBI and host communication simultaneously; When a plurality of equipment of number of different types and host communication, main frame need provide multiple bus and a plurality of EBI could satisfy the demand that number of different types equipment inserts.
But there is following defective in these EBIs:
1, the bus resource occupancy is high.Same bus can only be connected a plurality of equipment of same type with EBI, and polytype equipment need take a plurality of EBIs of main frame, and the bus resource occupancy is high.
2, difficulty of construction is big, and cost is high.When polytype equipment uses simultaneously, need to lay many communication cables, increase difficulty of construction and cost.
Summary of the invention
The present invention generally can only be connected same type equipment for same the bus that solves the prior art main frame with EBI; The bus that is connected between equipment and the main frame can only adopt with a kind of agreement, baud rate communication; The equipment of dissimilar, different agreement, different baud rates is shared same bus and EBI and host communication simultaneously; Exist the bus resource occupancy high; Difficulty of construction is big, and the technical matters that cost is high provides a kind of main frame and safety-protection system with intelligent bus interface.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is a kind of main frame with intelligent bus interface of design, comprises being used for the EBI that is connected with equipment through bus, and said main frame with intelligent bus interface also comprises:
The bus management module that is connected with said EBI; Its time-slotting is distributed to each equipment one by one with the right of possession corporeal right of bus; And when each equipment obtains bus right of possession corporeal right, be the parameter consistent, and send a communication enabled instruction with this equipment with the parameter adjustment of this bus;
With the device management module that said EBI and bus management module are connected, it receives said communication enabled instruction, and uses the equipment corresponding protocols and this equipment that obtain the right of possession corporeal right to carry out communication according to said communication enabled instruction notice main frame.
The present invention also provides a kind of safety-protection system, comprises main frame and the some equipment that link to each other through bus with said main frame, and said main frame has EBI, and said some equipment link to each other with the EBI of said main frame through bus, and said main frame also comprises:
The bus management module that is connected with said EBI; Its time-slotting is distributed to each equipment one by one with the right of possession corporeal right of bus; And when each equipment obtains bus right of possession corporeal right, be the parameter consistent, and send a communication enabled instruction with this equipment with the parameter adjustment of this bus;
With the device management module that said EBI and bus management module are connected, it receives said communication enabled instruction, and uses the equipment corresponding protocols and this equipment that obtain the right of possession corporeal right to carry out communication according to said communication enabled instruction notice main frame.
Said equipment comprises the equipment of some dissimilar, different agreements, different address or different baud rates.
The present invention comes the management bus interface through bus management module and device management module are set; Thereby the communication between management host and the equipment, the equipment of realizing dissimilar, different agreement, different address, different baud rates is a shared EBI and host communication simultaneously.Have the following advantages:
1, saves bus resource.The equipment of dissimilar, different agreement, different address, different baud rates is a shared EBI simultaneously, helps saving bus resource.
2, reduce difficulty of construction, save cost.Xenogenesis, a plurality of equipment are connected to through a bus on the EBI of main frame, only need a communication cable, need not to lay extra communication cable, help reducing difficulty of construction, save cost.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the present invention is elaborated, wherein:
Fig. 1 is the schematic diagram that the present invention has the main frame of intelligent bus interface;
Fig. 2 is the schematic diagram of safety-protection system of the present invention;
Fig. 3 is the schematic diagram of prior art safety-protection system.
Embodiment
See also Fig. 1.The main frame that the present invention has the intelligent bus interface comprises interconnective EBI, bus management module and device management module.EBI, bus management module and device management module can close and be called the intelligent bus interface.Wherein:
EBI is used for being connected with equipment through bus.
The bus management module is connected with said EBI; Be mainly used in time-slotting the right of possession corporeal right of bus is distributed to each equipment one by one; And when each equipment obtains bus right of possession corporeal right, be the parameter consistent, and send a communication enabled instruction with this equipment with the parameter adjustment of this bus.
Device management module is connected with said EBI and bus management module, is mainly used in to receive said communication enabled instruction, and uses the equipment corresponding protocols and this equipment that obtain the right of possession corporeal right to carry out communication according to said communication enabled instruction notice main frame.
Its principle of work is: xenogenesis, a plurality of equipment are connected to the same EBI of main frame through a bus; Host bus administration module time-slotting is distributed to each equipment one by one with the right of possession corporeal right of bus; Equipment is when obtaining the bus right of possession corporeal right, and the bus management module is the parameter consistent with this equipment with the parameter adjustment of this bus.Bus management module and device management module communicate with one another; After equipment obtains the bus right of possession corporeal right; This equipment of bus management module announcement apparatus administration module has obtained the bus right of possession corporeal right; Device management module notice main frame uses this equipment corresponding protocols to send data to this equipment, and the data that this equipment returns through host process, realize a shared intelligent bus interface of equipment while and the host communication of dissimilar, different agreement, different address, different baud rates through device management module.
See also Fig. 2.Safety-protection system of the present invention comprises main frame and the some equipment that link to each other through bus with said main frame.Wherein:
Main frame has interconnective EBI, bus management module and device management module.Some equipment link to each other with the EBI of said main frame through bus.
Equipment can be same category of device, also can be inhomogeneity equipment, like the equipment of dissimilar, different agreement, different address or different baud rates.In this specific embodiment, equipment is inhomogeneity equipment, be respectively first kind equipment ...., the N kind equipment.Each kind equipment can comprise several equipment again.
The bus management module is connected with said EBI; Be mainly used in time-slotting the right of possession corporeal right of bus is distributed to each equipment one by one; And when each equipment obtains bus right of possession corporeal right, be the parameter consistent, and send a communication enabled instruction with this equipment with the parameter adjustment of this bus.
Device management module is connected with said EBI and bus management module, is mainly used in to receive said communication enabled instruction, and uses the equipment corresponding protocols and this equipment that obtain the right of possession corporeal right to carry out communication according to said communication enabled instruction notice main frame.
Its principle of work is: the same EBI that several are dissimilar, different agreement, different address, different baud rate equipment are connected to main frame through a bus; Host bus administration module time-slotting is distributed to each equipment one by one with the right of possession corporeal right of bus; Equipment is when obtaining the bus right of possession corporeal right, and the bus management module is the parameter consistent with this equipment with the parameter adjustment of this bus.Bus management module and device management module communicate with one another; After equipment obtains the bus right of possession corporeal right; This equipment of bus management module announcement apparatus administration module has obtained the bus right of possession corporeal right; Device management module notice main frame uses this equipment corresponding protocols to send data to this equipment, and the data that this equipment returns through host process, realize a shared intelligent bus interface of equipment while and the host communication of dissimilar, different agreement, different address, different baud rates through device management module.
The present invention has the following advantages:
1, saves bus resource.The equipment of dissimilar, different agreement, different address, different baud rates is a shared EBI simultaneously, helps saving bus resource.
2, reduce difficulty of construction, save cost.Xenogenesis, a plurality of equipment are connected to through a bus on the EBI of main frame, only need a communication cable, need not to lay extra communication cable, help reducing difficulty of construction, save cost.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. main frame with intelligent bus interface comprises being used for the EBI that is connected with equipment through bus, and it is characterized in that: said main frame with intelligent bus interface also comprises:
The bus management module that is connected with said EBI; Its time-slotting is distributed to each equipment one by one with the right of possession corporeal right of bus; And when each equipment obtains bus right of possession corporeal right, be the parameter consistent, and send a communication enabled instruction with this equipment with the parameter adjustment of this bus;
With the device management module that said EBI and bus management module are connected, it receives said communication enabled instruction, and uses the equipment corresponding protocols and this equipment that obtain the right of possession corporeal right to carry out communication according to said communication enabled instruction notice main frame.
2. safety-protection system comprises main frame and the some equipment that link to each other through bus with said main frame, and said main frame has EBI, and said some equipment link to each other with the EBI of said main frame through bus, and it is characterized in that: said main frame also comprises:
The bus management module that is connected with said EBI; Its time-slotting is distributed to each equipment one by one with the right of possession corporeal right of bus; And when each equipment obtains bus right of possession corporeal right, be the parameter consistent, and send a communication enabled instruction with this equipment with the parameter adjustment of this bus;
With the device management module that said EBI and bus management module are connected, it receives said communication enabled instruction, and uses the equipment corresponding protocols and this equipment that obtain the right of possession corporeal right to carry out communication according to said communication enabled instruction notice main frame.
3. safety-protection system according to claim 2 is characterized in that: said equipment comprises the equipment of some dissimilar, different agreements, different address or different baud rates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102311824A CN102841875A (en) | 2012-07-05 | 2012-07-05 | Host computer with intelligent bus interface and security system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102311824A CN102841875A (en) | 2012-07-05 | 2012-07-05 | Host computer with intelligent bus interface and security system |
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| CN102841875A true CN102841875A (en) | 2012-12-26 |
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| CN2012102311824A Pending CN102841875A (en) | 2012-07-05 | 2012-07-05 | Host computer with intelligent bus interface and security system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243189A (en) * | 2013-06-09 | 2014-12-24 | 海尔集团公司 | Multi-device communication method based on same channel and communication system thereof |
| CN111447127A (en) * | 2020-03-11 | 2020-07-24 | 北京金茂绿建科技有限公司 | Bus multiplexing method and system |
| CN112491505A (en) * | 2020-11-17 | 2021-03-12 | 珠海格力电器股份有限公司 | Communication method, device and system |
| CN117240651A (en) * | 2023-11-14 | 2023-12-15 | 广东宝莱特医用科技股份有限公司 | Method for inquiring equipment online, telemetry system, electronic equipment and storage medium |
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| US5386517A (en) * | 1993-01-26 | 1995-01-31 | Unisys Corporation | Dual bus communication system connecting multiple processors to multiple I/O subsystems having a plurality of I/O devices with varying transfer speeds |
| CN1661583A (en) * | 2004-02-24 | 2005-08-31 | 三星电子株式会社 | Protocol conversion and arbitration circuit, system having the same, and method for converting and arbitrating signals |
| US7107381B2 (en) * | 2002-11-20 | 2006-09-12 | Pmc-Sierra, Inc. | Flexible data transfer to and from external device of system-on-chip |
| CN101206625A (en) * | 2006-12-22 | 2008-06-25 | 普天信息技术研究院 | Data processing master control equipment, secondary equipment, system and method |
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2012
- 2012-07-05 CN CN2012102311824A patent/CN102841875A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5386517A (en) * | 1993-01-26 | 1995-01-31 | Unisys Corporation | Dual bus communication system connecting multiple processors to multiple I/O subsystems having a plurality of I/O devices with varying transfer speeds |
| US7107381B2 (en) * | 2002-11-20 | 2006-09-12 | Pmc-Sierra, Inc. | Flexible data transfer to and from external device of system-on-chip |
| CN1661583A (en) * | 2004-02-24 | 2005-08-31 | 三星电子株式会社 | Protocol conversion and arbitration circuit, system having the same, and method for converting and arbitrating signals |
| CN101206625A (en) * | 2006-12-22 | 2008-06-25 | 普天信息技术研究院 | Data processing master control equipment, secondary equipment, system and method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243189A (en) * | 2013-06-09 | 2014-12-24 | 海尔集团公司 | Multi-device communication method based on same channel and communication system thereof |
| CN104243189B (en) * | 2013-06-09 | 2018-07-20 | 海尔集团公司 | A kind of more equipment communication means and its communication system based on same channel |
| CN111447127A (en) * | 2020-03-11 | 2020-07-24 | 北京金茂绿建科技有限公司 | Bus multiplexing method and system |
| CN111447127B (en) * | 2020-03-11 | 2022-05-06 | 北京金茂绿建科技有限公司 | Bus multiplexing method and system |
| CN112491505A (en) * | 2020-11-17 | 2021-03-12 | 珠海格力电器股份有限公司 | Communication method, device and system |
| CN117240651A (en) * | 2023-11-14 | 2023-12-15 | 广东宝莱特医用科技股份有限公司 | Method for inquiring equipment online, telemetry system, electronic equipment and storage medium |
| CN117240651B (en) * | 2023-11-14 | 2024-03-22 | 广东宝莱特医用科技股份有限公司 | Method for inquiring equipment online, telemetry system, electronic equipment and storage medium |
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Application publication date: 20121226 |