CN207232755U - A kind of new energy vehicle BMS charging CAN communication test systems with real load - Google Patents
A kind of new energy vehicle BMS charging CAN communication test systems with real load Download PDFInfo
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- CN207232755U CN207232755U CN201721192031.7U CN201721192031U CN207232755U CN 207232755 U CN207232755 U CN 207232755U CN 201721192031 U CN201721192031 U CN 201721192031U CN 207232755 U CN207232755 U CN 207232755U
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- charging
- host computers
- new energy
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The utility model discloses a kind of new energy vehicle BMS charging CAN communication test systems with real load, including battery pack, high voltage distribution box, power cycles and test system, A-battery, DC charging power supply, demarcate measuring apparatus, test PC host computers, wherein battery management system and battery management carry out battery pack state monitoring in real time and control from control system, battery pack and power cycles and test system are connected with high voltage distribution box into horizontal high voltage, test PC host computers are connected with power cycles and test system by CAN lines, test PC host computers are connected with calibration measuring apparatus, A-battery is connected with DC charging power supply.
Description
Technical field
It the utility model is related to new-energy automobile field, more particularly to a kind of new energy vehicle BMS with real load
The CAN communication that charges test system.
Background technology
The development prospect of new-energy automobile is wide, will necessarily become the main traffic trip instrument of future world.New energy
One of main path for the problems such as automobile is widely regarded as solving automobile exhaust pollution and short petroleum-based energy, with new energy
The technology of automobile improves, and market popularization and fast development, also put forward the properties of product, reliability, security of its key components and parts
Go out increasingly higher demands.Battery pack and core component of the battery management system as new energy car, their performance determine
Performance, safety and the service life of vehicle.Battery pack is responsible for the power producer of vehicle, and battery management system controls power battery
Complicated charge and discharge process, is responsible for detection and reply processing to the various abnormalities of power battery, for ensureing power
Cell safety, Effec-tive Function play decisive role.Therefore, comprehensive charging CAN communication is carried out to battery management system BMS to survey
Examination is necessary.
The laboratory test to the charging CAN communication test of New-energy electric vehicle battery management system mainly passes through at present
Hardware in loop equipment simulating charger tests battery management system, has lacked the signals such as battery cell voltage, temperature
Actual physical changes, and being unable to battery management system BMS offers because can not provide real charging voltage with electric current really fills
Electrical environment, make charging CAN communication test lack accuracy with it is comprehensive.
The problem of in correlation technique, not yet propose effective solution at present.
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes a kind of new energy car with real load
BMS charging CAN communication test system.
The technical problem that the utility model is solved is realized using following technical scheme：
A kind of new energy vehicle BMS charging CAN communication test systems with real load, including power cycles and test
System, calibration measuring apparatus, high voltage distribution box and battery pack, the battery pack include the battery management connected by internal CAN
Unit B CU and battery management pass through from control unit MMU, the power cycles and test system and battery pack and high voltage distribution box
High-voltage conducting wires are connected with each other, and the calibration measuring apparatus is connected by PTCAN connecting test PC host computers, the test PC host computers
Host computer mainframe box is connected to, the high voltage distribution box, battery management unit BCU are connected with A-battery by primary cable, institute
State A-battery and be connected with DC charging power supply, the test PC host computers are connected by PTCAN and power cycles and test system
Connect and the power cycles and test system are controlled, the battery management unit BCU is also by PTCAN with testing on PC
Position machine connects row information interaction of going forward side by side.
Further, the power cycles and test system fill the battery pack by simulating real charger
Electricity.
Further, the test PC host computers are handed over by the PTCAN and power cycles and test system into row information
Mutually, the power cycles and test system are adjusted（1）Output voltage and electric current.
Further, the calibration measuring apparatus, host computer mainframe box, A-battery and DC charging power supply integration
It is encapsulated in cabinet.
Further, the cabinet and the test PC host computers form integrated monitor supervision platform.
The beneficial effects of the utility model are：Can be pure to new energy by power cycles and test system imitating charger
The charging CAN communication of electric automobile BMS carry out more fully with real test, including normolineal communication function test and different
The communication function for being often and troubleshooting test.Real battery pack and battery management are employed from control unit, true collection electricity
Voltage, the temperature signal of pond monomer, the physical change of battery cell when more can really reflect charging；Employ and really fill
Electrical environment carries out battery management system charging CAN communication test, enhances and battery management system and charger CAN communication are surveyed
The accuracy of examination with it is comprehensive.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described.
Fig. 1 is a kind of new energy vehicle BMS charging CAN communication test system structure block diagrams with real load.
In figure：
1st, power cycles and test system；2nd, monitor supervision platform；3rd, PC host computers are tested；4th, cabinet；5th, measuring apparatus is demarcated；
6th, host computer mainframe box；7th, A-battery；8th, DC charging power supply；9th, high voltage distribution box；10th, battery pack；11st, battery management list
First BCU；12nd, battery management from control unit MMU；13rd, inside CAN；14、PTCAN；15th, charge CAN；16th, primary cable；17th, it is high
Press conducting wire.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
As shown in Figure 1, a kind of new energy vehicle BMS charging CAN communication test systems with real load, including electric energy
Circulation and test system 1, calibration measuring apparatus 5, high voltage distribution box 9 and battery pack 10.The battery pack 10 includes passing through inside
The battery management unit BCU 11 and battery management of the connections of CAN 13 from control unit MMU 12, the power cycles and test system
1 and battery pack 10 and high voltage distribution box 9 be connected with each other by high-voltage conducting wires 17.The calibration measuring apparatus 5 passes through PTCAN
14 are connected with test PC host computers 3, and the test PC host computers 3 are connected with host computer mainframe box 6, the high voltage distribution box 9, electricity
Pond administrative unit BCU 11 is connected with A-battery 7 by primary cable 16, and the A-battery 7 is connected with DC charging power supply
8, the test PC host computers 3 are connected by PTCAN 14 with power cycles and test system 1 and to the power cycles and survey
Test system 1 is controlled, and the battery management unit BCU 11 is also connected and carried out with test PC host computers 3 by PTCAN 14
Information exchange.
The calibration measuring apparatus 5 is connected by PTCAN 14 with test PC host computers 3, realizes data in test process
Collection, calibration and accident analysis；The battery management unit BCU 11 is connected with high voltage distribution box 9 by high-voltage conducting wires 17, real
Existing battery management unit BCU 11 is controlled relay in high voltage distribution box 9；The battery pack 10 passes through high-voltage conducting wires 17
It is connected with high voltage distribution box 9, while high voltage distribution box 9 is also connected by high-voltage conducting wires 17 with power cycles and test system 1, it is real
Now real voltage and current environment is provided for BMS during the test；The test PC host computers 3 pass through PTCAN 14 and electricity
Pond administrative unit BCU 11 is connected so that whole system forms signal closed loop in test process；The test PC host computers 3 pass through
PTCAN 14 is connected with battery management unit BCU 11, and comprehensive, accurately survey can be carried out to the CAN communication in charging process
Examination.
During specifically used the utility model, test PC host computers 3 by CAN communication to power cycles and test system 1 into
Row control charges battery pack 10 with analog charge machine equipment；Adopted between calibration measuring apparatus 5 and test PC host computers 3
With the low CCP communications protocol of standard, these data simultaneously are used to control by the data that can be read and write in real time inside BMS system master units
Winding and observation；The output signal of BMS systems, including hard signal, CAN signal are associated by harness, so as to fulfill letter
Number closed loop；Test PC host computers are interacted with BMS systems by DC charging CAN, and imitating charger, which provides, really to be filled
Electrical environment.
Battery management unit BCU 11, by the control to high voltage distribution box 9, so as to fulfill battery pack 10 and analog charge
The power cycles and test system 1 of machine connect；Realize when charging operating mode, power cycles and test system 1 serve as charger pair
Battery pack 10 charges, and test PC host computers 3 carry out CAN communication, battery management system 11 according to national standard and BMS systems
10 state of battery pack is continuously monitored, charge requirement is sent to test PC host computers 3 according to battery core voltage and temperature regime,
Test PC host computers 3 are exported by the demand for controlling power cycles and test system 1 to carry out BMS systems to battery pack, whole
A journey can be carried out fully according to the DC charging communications protocol of newest national regulations.
Charger is served as in power cycles and test system 1, simulation, and battery pack is as true negative in whole charging process
Carry, test PC host computers 3, fill according to the signal instruction that battery management unit BCU 11 is sent on collection CAN lines to be controlled
Discharge equipment.During the test, battery management main control unit 11 by battery management from control unit MMU 12 collection come electricity
Core voltage and temperature signal, maximum allowable charging current, maximum allowable charging are sent by logic judgment to test PC host computers 3
The data such as voltage, BMS demand currents, BMS demand voltages, when test PC host computers 3 receive the CAN data that BMS systems send,
Output control is carried out to charging/discharging apparatus by CAN communication.Whole test system provides real charging output side（Electric energy
Circulation and test system 1）With real charging recipient（Battery pack 10）, provided for the charging CAN tests of BMS system dcs true
Real test environment, intactly can carry out battery management system normolineal communication function test and the communication work(for being extremely
Energy and troubleshooting test.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of new energy vehicle BMS charging CAN communication test systems with real load, including power cycles and test system
System（1）, calibration measuring apparatus（5）, high voltage distribution box（9）And battery pack（10）, it is characterised in that the battery pack（10）Including
Pass through internal CAN（13）The battery management unit BCU of connection（11）With battery management from control unit MMU（12）, the electric energy follows
Ring and test system（1）And battery pack（10）And high voltage distribution box（9）Pass through high-voltage conducting wires（17）It is connected with each other, the calibration
Measuring apparatus（5）Pass through PTCAN（14）Connecting test PC host computers（3）, the test PC host computers（3）It is connected with upper owner
Cabinet（6）, the high voltage distribution box（9）, battery management unit BCU（11）Pass through primary cable（16）It is connected with A-battery
（7）, the A-battery（7）It is connected with DC charging power supply（8）, the test PC host computers（3）Pass through PTCAN（14）With electricity
It can circulate and test system（1）Connect and to the power cycles and test system（1）It is controlled, the battery management unit
BCU（11）Also pass through PTCAN（14）With testing PC host computers（3）Connect row information interaction of going forward side by side.
2. the new energy vehicle BMS charging CAN communication test systems according to claim 1 with real load, it is special
Sign is, the power cycles and test system（1）By simulating real charger to the battery pack（10）Charge.
3. the new energy vehicle BMS charging CAN communication test systems according to claim 2 with real load, it is special
Sign is, the test PC host computers（3）Pass through the PTCAN（14）With power cycles and test system（1）Handed over into row information
Mutually, the power cycles and test system are adjusted（1）Output voltage and electric current.
4. the new energy vehicle BMS charging CAN communication test systems according to claim 3 with real load, it is special
Sign is, the calibration measuring apparatus（5）, host computer mainframe box（6）, A-battery（7）And DC charging power supply（8）One
Change is encapsulated in cabinet（4）In.
5. the new energy vehicle BMS charging CAN communication test systems according to claim 4 with real load, it is special
Sign is, the cabinet（4）With the test PC host computers（3）Form integrated monitor supervision platform（2）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721192031.7U CN207232755U (en) | 2017-09-15 | 2017-09-15 | A kind of new energy vehicle BMS charging CAN communication test systems with real load |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721192031.7U CN207232755U (en) | 2017-09-15 | 2017-09-15 | A kind of new energy vehicle BMS charging CAN communication test systems with real load |
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| CN207232755U true CN207232755U (en) | 2018-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819732A (en) * | 2018-04-28 | 2018-11-16 | 苏州正力蔚来新能源科技有限公司 | BMS hardware capability test macro |
| CN109218335A (en) * | 2018-11-14 | 2019-01-15 | 行云新能科技（深圳）有限公司 | Data interactive method, terminal and storage medium based on battery management system |
| CN111123891A (en) * | 2019-12-24 | 2020-05-08 | 国联汽车动力电池研究院有限责任公司 | BMS-based quick charging test method, system, equipment and storage medium |
-
2017
- 2017-09-15 CN CN201721192031.7U patent/CN207232755U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819732A (en) * | 2018-04-28 | 2018-11-16 | 苏州正力蔚来新能源科技有限公司 | BMS hardware capability test macro |
| CN109218335A (en) * | 2018-11-14 | 2019-01-15 | 行云新能科技（深圳）有限公司 | Data interactive method, terminal and storage medium based on battery management system |
| CN111123891A (en) * | 2019-12-24 | 2020-05-08 | 国联汽车动力电池研究院有限责任公司 | BMS-based quick charging test method, system, equipment and storage medium |
| CN111123891B (en) * | 2019-12-24 | 2021-05-28 | 国联汽车动力电池研究院有限责任公司 | BMS-based quick charging test method, system, equipment and storage medium |
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Granted publication date: 20180413 Termination date: 20200915 |
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| CF01 | Termination of patent right due to non-payment of annual fee |