CN103376752B - A kind of automobile battery module automatic addressing watch-dog - Google Patents
A kind of automobile battery module automatic addressing watch-dog Download PDFInfo
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- CN103376752B CN103376752B CN201210124772.7A CN201210124772A CN103376752B CN 103376752 B CN103376752 B CN 103376752B CN 201210124772 A CN201210124772 A CN 201210124772A CN 103376752 B CN103376752 B CN 103376752B
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- 238000000926 separation method Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
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- 238000009434 installation Methods 0.000 abstract description 7
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Abstract
The present invention relates to a kind of automobile battery module automatic addressing watch-dog, include watch-dog box body, be characterized in: watch-dog box body is provided with battery Control Component, module Control Component, the addressing communication terminal of battery Control Component is connected with the addressing communication terminal of module Control Component.Meanwhile, the CAN communication port of described battery Control Component is connected by CAN data bus assembly with the CAN communication port of module Control Component.Thereby, it is possible to there is address overlap when avoiding manual wire jumper addressing mistake, realize effective automatic addressing, mistake proofing is high.Meanwhile, facilitate Installation and Debugging and after sale service, greatly reduce installation and maintenance workload.Further, meet mass production environment, reduce controller hardware resource, greatly reduce simultaneously and design and develop, production manufacturing cost.Moreover have good expansibility, easy-maintaining is changed.
Description
Technical field
The present invention relates to a kind of watch-dog, particularly relate to a kind of automobile battery module automatic addressing watch-dog.
Background technology
In current new-energy automobile (hybrid power/pure electronic) battery power management system, battery power source is made up of multiple electric battery serial or parallel connection or connection in series-parallel, and each electric battery is made up of multiple even tens battery cell series connection or connection in series-parallel.So respective battery management system is made up of a battery Control Component (central controller) and multiple module Control Component (module controller) usually.In order to realize battery power management and control, exchanges data (such as CANbus or other communication mode) must be carried out by communication interface between battery Control Component and multiple module Control Component and (or) between module Control Component and module Control Component, therefore, in whole network system, each module Control Component must have a unique address numbering.Prior art solution is:
Method one: hardware line transfer addressing: carry out the setting of hardware address numbering by the lead-foot-line (wire jumper is ground connection or connects power supply) extracted from module Control Component.Such as, for 2 address leads addressing systems, when module Control Component detects lead-in wire 1 for ground connection, when lead-in wire 2 is unsettled, this module Control Component is set as 1 signal communication address; When module Control Component detects lead-in wire 1 for unsettled, go between 2 time ground connection, this module Control Component is set as 2 signal communication addresses; When module Control Component detects lead-in wire 1 for ground connection, go between 2 time ground connection, this module Control Component is set as 3 signal communication addresses.Similar this method carries out hardware jumper addressing.
Method two: software solidification address: before installation, works out a unique address by the module Control Component being applied in same network system, then by software programming in module Control Component.
Summary of the invention
Object of the present invention is exactly to solve the above-mentioned problems in the prior art, provides a kind of automobile battery module automatic addressing watch-dog.
Object of the present invention is achieved through the following technical solutions:
A kind of automobile battery module automatic addressing watch-dog, include watch-dog box body, wherein: described watch-dog box body is provided with battery Control Component, module Control Component, the addressing communication terminal of described battery Control Component is connected with the addressing communication terminal of module Control Component, and the CAN communication port of described battery Control Component is connected by CAN data bus assembly with the CAN communication port of module Control Component.
Further, above-mentioned a kind of automobile battery module automatic addressing watch-dog, wherein: described battery Control Component includes main separation location circuit module, described main separation location circuit module is provided with addressing communication terminal, the data communication end of described main separation location circuit module connects the input end of main control module, the output terminal of described main control module connects the input end of CAN communication module, the CAN communication port of described CAN communication module connects CAN data bus, described main separation location circuit module includes constant signal source component, the addressing communication terminal of described constant signal source component link block Control Component, the auxiliary port of described constant signal source component passes through the input end of signal deteching circuit model calling main control module.
Further, above-mentioned a kind of automobile battery module automatic addressing watch-dog, wherein: described module Control Component includes secondary addressing circuit module, the output terminal of described secondary addressing circuit module is addressing communication terminal, the input end of the data communication end auxiliary connection control module of described secondary addressing circuit module, the output terminal of described sub-control module connects the input end of CAN communication module, the CAN communication port of described CAN communication module connects CAN data bus, and the input end of described secondary addressing circuit module is provided with voltage detection module.
Again further, above-mentioned a kind of automobile battery module automatic addressing watch-dog, wherein: described voltage detection module is fixed value resistance.
The advantage of technical solution of the present invention is mainly reflected in: can avoid, during manual wire jumper addressing mistake, address overlap occurs, realize effective automatic addressing, mistake proofing is high.Meanwhile, facilitate Installation and Debugging and after sale service, greatly reduce installation and maintenance workload.Further, meet mass production environment, reduce controller hardware resource, greatly reduce simultaneously and design and develop, production manufacturing cost.Moreover have good expansibility, easy-maintaining is changed.
Accompanying drawing explanation
Object of the present invention, advantage and disadvantage, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below.These embodiments are only the prominent examples of application technical solution of the present invention, allly take equivalent replacement or equivalent transformation and the technical scheme that formed, all drop within the scope of protection of present invention.
Fig. 1 is the organigram of this automobile battery module automatic addressing watch-dog;
Fig. 2 is the circuit theory schematic diagram of this automobile battery module automatic addressing watch-dog;
Fig. 3 is the circuit theory schematic diagram of module Control Component.
Embodiment
A kind of automobile battery module automatic addressing watch-dog as shown in Figures 1 to 3, include watch-dog box body 1, its unusual part is: this practical new adopted watch-dog box body 1 is provided with battery Control Component 2, module Control Component 3.Specifically, in order to effectively realize the mutual conduction in addressing path, the addressing communication terminal 8 of battery Control Component 2 is connected with the addressing communication terminal 8 of module Control Component 3, makes battery Control Component 2 carry out addressing communication with the follow-up modules Control Component 3 be connected.Meanwhile, consider the mutual communication of other related datas, the CAN communication port 4 of battery Control Component 2 is connected by CAN data bus 5 assembly with the CAN communication port 4 of module Control Component 3.There is this, with addressing connection 6, the module Control Component 3 of more than 2 or 2 being connected on addressing connection 6 by increasing by 1 or 2, just can realizing automatic addressing/addressing application.Further, consider that the module Control Component 3 that needs that actual battery detects can have many groups.
With regard to the present invention one preferably embodiment, in order to provide voltage detecting accurately, this practical new adopted battery Control Component 2 includes main separation location circuit module 7, on main separation location circuit module 7, be provided with addressing communication terminal 8, the data communication end of main separation location circuit module 7 connects the input end of main control module 9 simultaneously.Further, the output terminal of main control module 9 connects the input end of CAN communication module 10, and the CAN communication port 4 of described CAN communication module 10 connects CAN data bus 5.Specifically, main separation location circuit module 7 includes constant signal source component 11, the addressing communication terminal 8 of this constant signal source component 11 link block Control Component 3, the auxiliary port of constant signal source component 11 connects the input end of main control module 9 by signal deteching circuit module 12.
Further, for the ease of realizing effective monitoring to automobile batteries, the module Control Component 3 of employing includes secondary addressing circuit module 13, and the output terminal of this secondary addressing circuit module 13 is addressing communication terminal 8.Correspondence is with it, the input end of the data communication end auxiliary connection control module 14 of secondary addressing circuit module 13, the output terminal of described sub-control module 14 connects the input end of CAN communication module 10, and the CAN communication port 4 of CAN communication module 10 connects CAN data bus 5.Meanwhile, in order to improve the precise length of detection, the input end of secondary addressing circuit module 13 is provided with voltage detection module.The voltage detection module of this practical new employing is fixed value resistance 15 specifically.
In conjunction with actual service condition of the present invention, the addressing circuit first in battery Control Component 2 unit sends a continuous current source I; Then the module Control Component 3 be connected on addressing path detects from the magnitude of voltage V on addressing path and default series impedance R; Last battery Control Component 2 or module Control Component 3 are according to known current value I, and magnitude of voltage V and resistance value R, calculates respective modules Control Component 3 relative to addressing path position P(1 publicly by formula P=V/IR, 2,3 ...).
Concrete computing address and allocation address, can be realized (but not limiting) by one of them mode following: when being energized, (do not limit this stage) at every turn, to detect that magnitude of voltage V and known value R is sent to battery Control Component 2 by CANbus and carries out calculating address number (ID), then address number distributed to respective modules Control Component 3 by CANbus and save, last module Control Component 3 communicates with other module Control Components 3 with battery Control Component 2 according to i.e. allocation address.Two, known permanent source current value I is kept in each module Control Component 3, module Control Component 3 calculates address number (ID) P value according to the voltage V collected and known resistance R, and then module Control Component 3 adopts and calculates address value and communicate with battery Control Component 2 or other module Control Components 3.
Then automatically distribute to each corresponding module Control Component 3 according to module Control Component 3 position of calculating as address number, carry out CANbus communication.
From Fig. 2, it is the circuit theory schematic diagram of Fig. 1, be provided with three module Control Components, be followed successively by the first module Control Component, the second module Control Component, the 3rd module Control Component, be connected on addressing connection 6 respectively by fixed value resistance (15) Rx simultaneously.Constant current source 70 exports a steady current I, and then, addressing communication terminal 8 is addressing connections 6 in fig. 2 of connecting in figure 3.Voltage detector 16 detects tie point 17 magnitude of voltage V, comprises known series impedance R.According to the I obtained above, V, R value and computing formula address number (ID value) P=V/IR, calculate modules Control Component distance 6A tie point position 1,2,3.Such as the first module Control Component, the second module Control Component, the 3rd module Control Component position are respectively: 3,2,1.(note: P=V/IR is calculated value, considers actual application environment and design error situation, and calculated value can adopt other software to carry out upper and lower threshold values process).
Can be found out by above-mentioned character express, after adopting the present invention, can avoid, during manual wire jumper addressing mistake, address overlap occurs, realize effective automatic addressing, mistake proofing is high.Meanwhile, facilitate Installation and Debugging and after sale service, greatly reduce installation and maintenance workload.Further, meet mass production environment, reduce controller hardware resource, greatly reduce simultaneously and design and develop, production manufacturing cost.Moreover have good expansibility, easy-maintaining is changed.
Claims (1)
1. an automobile battery module automatic addressing watch-dog, include watch-dog box body, it is characterized in that: described watch-dog box body is provided with battery Control Component, module Control Component, the addressing communication terminal of described battery Control Component is connected with the addressing communication terminal of module Control Component, and the CAN communication port of described battery Control Component is connected by CAN data bus assembly with the CAN communication port of module Control Component, described battery Control Component includes main separation location circuit module, described main separation location circuit module is provided with addressing communication terminal, the data communication end of described main separation location circuit module connects the input end of main control module, the output terminal of described main control module connects the input end of CAN communication module, the CAN communication port of described CAN communication module connects CAN data bus, described main separation location circuit module includes constant signal source component, the addressing communication terminal of described constant signal source component link block Control Component, the auxiliary port of described constant signal source component passes through the input end of signal deteching circuit model calling main control module, described module Control Component includes secondary addressing circuit module, the output terminal of described secondary addressing circuit module is addressing communication terminal, the input end of the data communication end auxiliary connection control module of described secondary addressing circuit module, the output terminal of described sub-control module connects the input end of CAN communication module, the CAN communication port of described CAN communication module connects CAN data bus, and the input end of described secondary addressing circuit module is provided with voltage detection module, described voltage detection module is fixed value resistance.
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| CN201210124772.7A CN103376752B (en) | 2012-04-26 | 2012-04-26 | A kind of automobile battery module automatic addressing watch-dog |
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| CN201210124772.7A CN103376752B (en) | 2012-04-26 | 2012-04-26 | A kind of automobile battery module automatic addressing watch-dog |
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| CN103376752B true CN103376752B (en) | 2015-07-29 |
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| CN110855538B (en) * | 2019-11-13 | 2022-04-15 | 深圳竹芒科技有限公司 | Slave address identification method, bus communication system and charger leasing system |
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| GB2182792A (en) * | 1985-11-07 | 1987-05-20 | Jungheinrich Kg | Recognizing batteries connected to a charger |
| CN101335367A (en) * | 2008-07-28 | 2008-12-31 | 奇瑞汽车股份有限公司 | Distributed battery management system and management method |
| CN101685897A (en) * | 2008-09-24 | 2010-03-31 | 三洋电机株式会社 | Battery system and battery pack |
| CN102200772A (en) * | 2011-04-18 | 2011-09-28 | 奇瑞汽车股份有限公司 | System for automatically identifying serial numbers of distributed battery management modules |
| CN102253906A (en) * | 2010-05-18 | 2011-11-23 | 凹凸电子（武汉）有限公司 | Address allocation system, device and method |
| CN102340159A (en) * | 2010-07-15 | 2012-02-01 | 凹凸电子（武汉）有限公司 | Battery module addresse assigning device, method and system |
| CN202583742U (en) * | 2012-04-26 | 2012-12-05 | 苏州杰拓腾动力科技有限公司 | Automatic addressing monitor of automobile battery module |
-
2012
- 2012-04-26 CN CN201210124772.7A patent/CN103376752B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2182792A (en) * | 1985-11-07 | 1987-05-20 | Jungheinrich Kg | Recognizing batteries connected to a charger |
| CN101335367A (en) * | 2008-07-28 | 2008-12-31 | 奇瑞汽车股份有限公司 | Distributed battery management system and management method |
| CN101685897A (en) * | 2008-09-24 | 2010-03-31 | 三洋电机株式会社 | Battery system and battery pack |
| CN102253906A (en) * | 2010-05-18 | 2011-11-23 | 凹凸电子（武汉）有限公司 | Address allocation system, device and method |
| CN102340159A (en) * | 2010-07-15 | 2012-02-01 | 凹凸电子（武汉）有限公司 | Battery module addresse assigning device, method and system |
| CN102200772A (en) * | 2011-04-18 | 2011-09-28 | 奇瑞汽车股份有限公司 | System for automatically identifying serial numbers of distributed battery management modules |
| CN202583742U (en) * | 2012-04-26 | 2012-12-05 | 苏州杰拓腾动力科技有限公司 | Automatic addressing monitor of automobile battery module |
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Address after: No.9 Ruining Road, Development Zone, Luquan District, Shijiazhuang City, Hebei Province, 050200 Patentee after: Hebei Jietaite Energy Technology Co.,Ltd. Address before: 050200 Actual Industrial Park, Shangzhuang Town, Luquan City, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG JTT POWER AND ENERGY CO.,LTD. |