CN2924551Y - Device for detecting power battery management system - Google Patents
Device for detecting power battery management system Download PDFInfo
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- CN2924551Y CN2924551Y CN 200520121096 CN200520121096U CN2924551Y CN 2924551 Y CN2924551 Y CN 2924551Y CN 200520121096 CN200520121096 CN 200520121096 CN 200520121096 U CN200520121096 U CN 200520121096U CN 2924551 Y CN2924551 Y CN 2924551Y
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Abstract
The utility model discloses a detection device of dynamic battery group management system, which comprises a total voltage current control module, a single output voltage control module, a single output temperature control module, a processor control module, an output and input control module and an upper computer module. The total voltage current control module, the single output voltage control module, the single output temperature control module, the output and input control module and the upper computer module are respectively connected with the processor control module. The utility model can simulate producing all the signal of the dynamic battery group management system, which is convenient for detection staff to detect the dynamic battery group management system, and the diagnostic function of the dynamic battery group management system can be implemented.
Description
[technical field]
The utility model relates to a kind of pick-up unit, relates in particular to a kind of pick-up unit of the power battery group management system based on arm processor chip and CAN bus communication.
[background technology]
In the epoch that current energy contradiction is becoming increasingly acute, electric vehicle engineering and power battery technology development are also maked rapid progress.Electric automobile medium power battery management system is being brought into play great function in the security of electric motor car, power battery management system is the system that battery status is monitored in real time in order to guarantee battery system safety.Power battery management system carries out real-time data monitored to power battery pack and comprises: the total voltage of power battery pack, total current, battery pack temperature, single battery voltage, single battery temperature and some other control signal (as: fan control signal, main relay control signal, charge relay control signal, preliminary filling signal etc.).Yet in the middle of prior art, the pick-up unit that detects of the battery management system that harsh output is come not, be unfavorable for that quality inspection personnel detects battery management system, can't realize that more robotization detects, thereby can't guarantee the quality of production of battery management system.
[summary of the invention]
The technical problems to be solved in the utility model provides the pick-up unit of a kind of power battery group management system, can simulate and produce all input signals of power battery management system, make things convenient for the testing staff that power battery management system is detected, realize the function that the power battery group management system is diagnosed.
The utility model is to realize by following technical scheme:
The pick-up unit of a kind of power battery group management system, comprise: total voltage total current control module, single-unit voltage output control module, single-unit temperature output control module, processor control module, I/O control module and upper computer module, described total voltage total current control module, single-unit voltage output control module, single-unit temperature output control module, I/O control module and upper computer module are connected with the processor control module respectively.
Described total voltage total current module comprises the resistor matrix of being made up of relay and resistance, and described processor control module is controlled opening or turn-offing of described relay, regulates the resistance value of described resistor matrix.
Owing to adopt above technical scheme, the utility model can be simulated all input/output signals of power battery pack, realization is to the detection of power battery group management system, as simulate actual assembled battery total voltage, and simulate the single-unit voltage output of 1～96 batteries and single-unit temperature output signal etc.; The utility model can not change wire harness and interface, just can detect the power battery group management system, is fit to the industrialized development of power battery group management system; The utility model has been introduced the CAN bus communication and has been designed the computation interface, realizes the robotization of power battery group management system is detected, and makes things convenient for the testing staff to operate; Upper computer module in the utility model can be carried out the CAN communication with battery management system, and the data of battery management system are monitored in real time, compares with the actual design value, draws diagnostic result, realizes diagnostic function; The utility model can download model in CAN controller at a high speed, realize hardware at ring and processor in ring emulation, the expense that significantly reduces exploitation and produce, quickening tempo of development.
[description of drawings]
Fig. 1 is system module figure of the present utility model.
Fig. 2 is the circuit theory synoptic diagram of processor control module in the utility model.
Fig. 3 is the circuit theory synoptic diagram of CAN communication part in the processor control module.
Fig. 4 is that 96 batteries total voltages change schematic diagram.
Fig. 5 is analog electrical output pond total current and battery pack temperature schematic diagram.
Fig. 6 is 96 joint single battery voltages and temperature output principle of simulation figure ().
Fig. 7 is 96 joint single battery voltages and temperature output principle of simulation figure (two).
Fig. 8 is 96 joint single battery voltages and temperature output principle of simulation figure (three).
Fig. 9 is battery management system input and output detection and mimic channel schematic diagram.
Figure 10 is a upper computer module interface synoptic diagram.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further set forth:
As shown in Figure 1, the utility model mainly comprises six big modules: processor control module, total voltage total current control module, single-unit voltage output control module, single-unit temperature output control module, I/O control module and upper computer module; Wherein, total voltage total current control module, single-unit voltage output control module, single-unit temperature output control module, I/O control module and upper computer module all are connected with the processor control module respectively.The utility model to the process that batteries management system detects is: upper computer module is carried out single-unit voltage to the simulated battery group, the single-unit electric current, total voltage, total current, battery pack temperature and output signal are provided with, by the CAN bus set data are sent to the processor control module, after the processor control module is confirmed these data, corresponding adjusting total voltage total current control module, single-unit voltage output control module, the input of single-unit temperature output control module and I/O control module or output signal, as export the simulating signal of voltage of batteries and temperature by two SPI mouths and CPLD, come the various combination of pilot relay to realize the variation of total voltage by CPLD output various combination, realize battery pack temperature signal and the output of battery total current by the parallel port, control different output control and read the output signal of battery management system and send to upper computer module by the IO mouth, store and show by the CAN bus.
Respectively the effect and the function of these six modules is described in detail below:
One, processor control module
As shown in Figures 2 and 3, be the circuit theory synoptic diagram of processor control module.The processor control module can be controlled the output signal of total voltage total current control module, single-unit voltage output control module, single-unit temperature output control module and I/O control module, can receive and handle the input signal of I/O control module, the processor control module can also be carried out communication with upper computer module, data in real time is transferred to upper computer module shows and store.The at a high speed reliable ARM chip (STR710F) of processor adopting of the present utility model, top speed reaches 50M, and aboundresources in the sheet, contains 272K FLASH and 64K RAM, and USB and CAN interface also are provided.Adopt this chip to make the control section height of system integrated, improve the reliability and the anti-interference of system greatly.The processor control section has also comprised the CAN communication part.The utility model adopts CAN2.0B high speed communication agreement, and the highest communication speed can reach 1Mbps.
Two, total voltage total current control module
As shown in Figure 4, be that 96 batteries total voltages change schematic diagram, in general use 80 joints in the electric automobile.In order to simulate the total voltage of 1-96 batteries, adopted 11 relays and some resistance to form resistor matrix in the utility model.Control the turn-on and turn-off of each resistance by ARM and CPLD and control different total voltage output.Provide different resistance combinations to regulate by resistor matrix to realize meticulous total voltage.The wire harness that the utility model device can change power battery management system directly is connected with connector.In addition, the total current of electrokinetic cell and battery pack temperature signal adopt D/A process chip (MAX530) to provide two-way 12 voltage output signals, replace the total current sensor and the battery pack temperature signal of sensor of electrokinetic cell, the physical circuit schematic diagram is referring to Fig. 5.
Three, single-unit voltage output control module
In order to detect the single-unit voltage monitoring function of power battery management system, this module provides the single-unit voltage output of 1-96 batteries, and be series connection output, with 80 batteries is example, series connection output is meant that 80 joint simulation single battery voltage outputs are together in series, if 1 simulation single battery voltage is output as 4V, 80 joint series connection are exactly 320V so.Series connection output is the array mode of 80 joint simulation single battery voltages just, does not influence the output of single-unit, because 80 delivery outlets are arranged here, is exactly single simulated battery voltage between every adjacent two.Like this, power battery management system just can not change any interface and directly use this device to detect.Here, the analogy method that every economize on electricity is pressed is to adopt a digital regulation resistance and some resistance to form a variable resistor, and digital regulation resistance carries out communication by SPI interface and arm processor, specifically referring to Fig. 6, Fig. 7 and Fig. 8.Arm processor is sent control signal here for the SPI interface of digital regulation resistance, thereby is regulated variable-resistance resistance value according to actual conditions, and Shu Chu voltage swing also changes with regard to corresponding like this.
Four, single-unit temperature output control module
This module provides the secondary singal of the temperature sensor output of simulation 1-96 batteries, simulates each joint temperature sensor and uses digital regulation resistance to produce the adjustable temperature sensor signal of one-bit digital.Digital regulation resistance carries out communication by SPI interface and ARM controller respectively, specifically referring to Fig. 6, Fig. 7 and Fig. 8.
Five, I/O control module
As shown in Figure 9, be battery management system input and output detection and mimic channel schematic diagram, this module can be carried out complete detection to power battery management system, can simulate and produce electric leakage signal, and can monitor fan control signal, main relay control signal, charge relay control signal and the prefilled signal of power battery management system to power battery management system.
Six, upper computer module
Processor control module and upper computer module are carried out communication, and the handled data of processor control module all are real-time transmitted to upper computer module and show and store.Upper computer module is also carried out communication by another road CAN bus run and power battery management system.Upper computer module is by comparing (the output real-time communication data of the battery management system that to be upper computer module receive to the signal of this pick-up unit output with from other one road CAN bus interface compare) to two signals, thereby realizes diagnostic function.Wherein, processor control module and upper computer module are carried out theing contents are as follows of communication:
1, the processor control module sends the information (identifier: 0x2B0) of battery to upper computer module
| Definition | sw | ?eleH | ?eleL | ?vol | ?tem | ?numL | ?numH | ?Temp |
| |
8 | ?7 | ?6 | ?5 | ?4 | ?3 | ?2 | ?1 |
Explanation in the form:
Switching value information (switch)
Take 1 byte, represent electric leakage signal output switching value with 8 lowest order.00000000: Close All; 00000001: electric leakage signal output is opened
Discharge current (eleH, eleL)
Therefore the size of discharge current represents the transmission of current information with the position 0-4000 of two bytes between 0.0-400.0A.Come video data with most-significant byte and least-significant byte respectively, take 2 bytes.
Cell voltage (vol)
The output area of single battery voltage is 2.50-5.00V, represents with 0-250.
Battery temperature (tem)
Temperature output area-the 40-125 of single-unit or electric battery ℃, represent with 0-165.
Selected electric battery sequence number at the whole story (numH, numL)
When start sequence number is identical, the expression single battery; When joint was got certain section electric battery, the battery sequence number from low to high.By the joint number that can learn battery here.
Battery case temperature (Temp)
Represent battery chest temperature with 1 byte.
2, send single battery voltage (identifier: 0x2B1)
Preceding 2 bytes indicate the section of choosing (numH-numL)=6 of electric battery, and back 6 bytes show the single-unit voltage of this cell section, represent with 0-250.
| Definition | numL | ?numH | ?vol | ?vol | ?vol | ?vol | ?vol | ?vol |
| |
8 | ?7 | ?6 | ?5 | ?4 | ?3 | ?2 | ?1 |
3, send single battery temperature (identifier: 0x2B2)
Preceding 2 bytes indicate the section of choosing (numH-numL)=6 of electric battery, and back 6 bytes show the single-unit temperature of this cell section, represent with 0-165.
| Definition | numL | ?numH | ?tem | ?tem | ?tem | ?tem | ?tem | ?tem |
| |
8 | ?7 | ?6 | ?5 | ?4 | ?3 | ?2 | ?1 |
4, receive the output information (identifier: 0x2A3) of battery management system
| Definition | Sw (8) | ?- | |||||||
| |
8 | ?7 | ?6 | ?5 | ?4 | ?3 | ?2 | ?1 | The 7-1 byte |
Switching value information (switch); Take 1 byte, represent 4 switching values respectively with 8 low 4.
First: fan control
Second: main relay control
The 3rd: charge relay control
The 4th: the prefilled signal
Represent that 0 expression is closed, 1 expression unlatching with 0 and 1.
In addition, upper computer module interface synoptic diagram is referring to Figure 10.
In sum, the utility model can be simulated the output signal (as signals such as electric battery total current total voltage, battery pack temperature, single battery voltage, single battery temperature, electric leakages) that produces reflection electric battery fundamental characteristics, and be input in the middle of the battery management system, make battery management system be in the duty of " reality ", can also detect the output signal (as fan control signal, main relay control signal, charge relay control signal, prefilled signal) of battery management system simultaneously.These signals all send upper computer module to by the processor control module and show and store, thereby have realized the detection to power battery management system.
Claims (2)
1, the pick-up unit of a kind of power battery group management system, it is characterized in that comprising: total voltage total current control module, single-unit voltage output control module, single-unit temperature output control module, processor control module, I/O control module and upper computer module, described total voltage total current control module, single-unit voltage output control module, single-unit temperature output control module, I/O control module and upper computer module are connected with the processor control module respectively.
2, the pick-up unit of a kind of power battery group management according to claim 1 system, it is characterized in that: described total voltage total current module comprises the resistor matrix of being made up of relay and resistance, described processor control module is controlled opening or turn-offing of described relay, regulates the resistance value of described resistor matrix.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121096 CN2924551Y (en) | 2005-12-28 | 2005-12-28 | Device for detecting power battery management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121096 CN2924551Y (en) | 2005-12-28 | 2005-12-28 | Device for detecting power battery management system |
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| CN2924551Y true CN2924551Y (en) | 2007-07-18 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081145A (en) * | 2010-11-29 | 2011-06-01 | 重庆长安汽车股份有限公司 | Functional verification platform of battery management system |
| CN102680900A (en) * | 2011-03-14 | 2012-09-19 | 三星Sdi株式会社 | Test device of battery pack and method of driving the same |
| CN102788914A (en) * | 2011-05-20 | 2012-11-21 | 北汽福田汽车股份有限公司 | Battery simulated load circuit and BMS (battery management system) electronic hardware testing system |
| CN102944859A (en) * | 2012-11-23 | 2013-02-27 | 中国科学院电工研究所 | Testing device for battery management system |
| CN101762800B (en) * | 2010-01-28 | 2013-04-03 | 北京航空航天大学 | Battery managing system testing platform |
| CN103885018A (en) * | 2013-12-20 | 2014-06-25 | 惠州市亿能电子有限公司 | Method for debugging BMS lower computer by utilizing upper computer |
| CN104867374A (en) * | 2014-09-15 | 2015-08-26 | 北汽福田汽车股份有限公司 | Slave plate ID learning system and method |
| CN105759208A (en) * | 2014-12-17 | 2016-07-13 | 北京普莱德新能源电池科技有限公司 | Function detection platform for battery management system for battery pack |
| CN110837056A (en) * | 2019-12-11 | 2020-02-25 | 北京绿能芯创电子科技有限公司 | Simple battery simulation test device and method for BMS and device manufacturing method |
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- 2005-12-28 CN CN 200520121096 patent/CN2924551Y/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101762800B (en) * | 2010-01-28 | 2013-04-03 | 北京航空航天大学 | Battery managing system testing platform |
| CN102081145A (en) * | 2010-11-29 | 2011-06-01 | 重庆长安汽车股份有限公司 | Functional verification platform of battery management system |
| CN102081145B (en) * | 2010-11-29 | 2013-03-27 | 重庆长安汽车股份有限公司 | Functional verification platform of battery management system |
| CN102680900B (en) * | 2011-03-14 | 2015-08-05 | 三星Sdi株式会社 | The proving installation of power brick and drive the method for this proving installation |
| CN102680900A (en) * | 2011-03-14 | 2012-09-19 | 三星Sdi株式会社 | Test device of battery pack and method of driving the same |
| CN102788914A (en) * | 2011-05-20 | 2012-11-21 | 北汽福田汽车股份有限公司 | Battery simulated load circuit and BMS (battery management system) electronic hardware testing system |
| CN102788914B (en) * | 2011-05-20 | 2015-10-28 | 北汽福田汽车股份有限公司 | Battery analogue load circuit and BMS electronic hardware test macro |
| CN102944859A (en) * | 2012-11-23 | 2013-02-27 | 中国科学院电工研究所 | Testing device for battery management system |
| CN103885018A (en) * | 2013-12-20 | 2014-06-25 | 惠州市亿能电子有限公司 | Method for debugging BMS lower computer by utilizing upper computer |
| CN104867374A (en) * | 2014-09-15 | 2015-08-26 | 北汽福田汽车股份有限公司 | Slave plate ID learning system and method |
| CN104867374B (en) * | 2014-09-15 | 2018-05-11 | 北汽福田汽车股份有限公司 | It is a kind of from plate ID learning systems and method |
| CN105759208A (en) * | 2014-12-17 | 2016-07-13 | 北京普莱德新能源电池科技有限公司 | Function detection platform for battery management system for battery pack |
| CN110837056A (en) * | 2019-12-11 | 2020-02-25 | 北京绿能芯创电子科技有限公司 | Simple battery simulation test device and method for BMS and device manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070718 |
|
| EXPY | Termination of patent right or utility model |