CN207488463U - A kind of battery system off-line detection system - Google Patents
A kind of battery system off-line detection system Download PDFInfo
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- CN207488463U CN207488463U CN201721366342.0U CN201721366342U CN207488463U CN 207488463 U CN207488463 U CN 207488463U CN 201721366342 U CN201721366342 U CN 201721366342U CN 207488463 U CN207488463 U CN 207488463U
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- charging
- battery system
- wiring harness
- voltage wiring
- line detection
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Abstract
The utility model is related to electric automobile power battery fields, and in particular to a kind of battery system off-line detection system.For the utility model in battery system off-line test, discharge test process uses discharge test cabinet, while increases DC charging and AC charging detection device, and the control strategy of AC charging on real vehicle and DC charging can be verified.The utility model can verify the function of high voltage power distribution corresponding circuit, systemic function missing of the battery system in vehicle operation can comprehensively be prevented, it ensures the offline safe and reliable operation of battery system, and then reaches and quickly and efficiently detect and find to solve the problems, such as the corresponding function of battery system.
Description
Technical field
The utility model is related to batteries of electric automobile fields, and in particular to a kind of battery system off-line detection system.
Background technology
With guiding and supporting for national policy, the rapid development of electric vehicle is brought, battery system is electric vehicle
One of three big kernel components, and be the key components and parts of most expensive again, then the safety of battery system and reliable in quality
Property must just improve management and control degree.After battery system structure and electricity piece assembling, whether meet for battery system correlation function
Design requirement, it is necessary to off-line test is carried out to it, so as in time find battery system there may be the problem of, vehicle is avoided to run
When safety accident generation.
At present, it when off-line test is completed in battery system assembling, is mainly forced by charge-discharge test cabinet to battery system
It charges and discharges, BMS plays the role of monitoring alarm, and battery pack normal capacity and voltage consistency are tested；BMS does not have
There is realization to carry out data monitoring and management to battery system；Each relay in high voltage loop state can not be tested；Because passing through
Charge-discharge test cabinet discharge loop charges to battery system, can not verify AC charging and the control of DC charging on real vehicle
Strategy and there may be the problem of；High voltage power distribution can not be verified the function in corresponding circuit；Existing technological means one
As only realize offline or static check to battery system, it is impossible to comprehensive prevention battery system was run in vehicle
Systemic function missing in journey, it is even more impossible to ensure the offline safe and reliable operation of battery system.
Utility model content
The purpose of this utility model is to provide a kind of battery system off-line detection system, can not be to solve the prior art
The problem of AC charging and DC charging process are tested during battery off-line test.
To achieve the above object, the embodiment of the utility model includes a kind of battery system off-line detection system, including control
Device and the high-voltage wiring harness for connecting power battery, the high-voltage wiring harness connect discharge test cabinet, in the discharge test cabinet
It is provided with the discharge test interface for connecting load；The high-voltage wiring harness is also associated with for the AC charging of incoming transport electricity
Device and the DC charging device for accessing direct current.
The beneficial effects of the utility model are：In battery system off-line test, discharge test process uses discharge test
Cabinet, while DC charging and AC charging detection device are increased, it can be to the control of AC charging on real vehicle and DC charging
Strategy is verified.
Further, the AC charging device includes Vehicular charger and the AC charging for incoming transport electricity is inserted
Seat；The DC charging device includes the DC charging socket for accessing direct current.
Further, the high-voltage wiring harness connects the Vehicular charger by trickle charge relay；The high-voltage wiring harness leads to
It crosses fast charge relay and connects the DC charging socket；The controller control connects the trickle charge relay and fast charge relay
Device.
Further, the power port of the controller connects accumulator, the ON shelves of the controller by low voltage wiring harness
Port connects the low voltage wiring harness by ON gear switch.
Further, the controller connects the DC charging socket, the Vehicular charger and institute by CAN bus
State discharge test cabinet.
Further, the high-voltage wiring harness is also connected with DC-DC.
Further, fuse, the DC charging socket and the Vehicular charger are in series on the high-voltage wiring harness
The upstream high harness of the fuse and downstream high-voltage wiring harness are connected respectively.
The further advantageous effect of the utility model is：The function of high voltage power distribution corresponding circuit can be verified, energy
Systemic function missing of enough comprehensive prevention battery systems in vehicle operation, it is ensured that the offline peace of battery system
Entirely, reliability service finds and solves the problems, such as the corresponding function of battery system in time.
Description of the drawings
Fig. 1 is the structure chart of battery off-line detection system described in the utility model；
Fig. 2 is high-low pressure harness connection figure in the utility model embodiment；
Fig. 3 is the high-low pressure electrical schematic diagram of battery off-line detection system in the utility model embodiment.
Specific embodiment
The utility model is described in more detail below in conjunction with the accompanying drawings.
The utility model provides a kind of battery system off-line detection system, and in battery system off-line test, electric discharge is surveyed
Examination process uses discharge test cabinet, while increases DC charging and AC charging detection device, can realize battery system work(
Can, the fast verification of performance, quickly detect battery system in process of production there may be the defects of and risk.
It is the system construction drawing of the utility model as shown in Figure 1, including electrokinetic cell system and connection electrokinetic cell system
High-voltage wiring harness, electrokinetic cell system includes controller, and high-voltage wiring harness is connected with discharge test cabinet, DC charging device and exchanges
Charging unit.A specific embodiment is given below.
The present embodiment includes battery system, battery charging and discharging test cabinet, high-tension distribution box, 12V accumulators, DC-DC, vehicle-mounted
Charger, AC socket, DC charging socket, BMS host computers, computer, alternating current-direct current charging pile, instrument, high-voltage wiring harness and low
Crimping beam etc..Battery system include battery core, BMS, service switch MSD, Hall sensor, always bear relay, fast charge relay and
The electricity pieces such as connection in series-parallel copper bar, high-low pressure connector；High-tension distribution box has driving circuit, Vehicular charger distribution loop, air-conditioning
Circuit, preliminary filling relay, total positive electricity pieces such as relay and trickle charge relay, each circuit fuse, connector；High-voltage wiring harness packet
Include battery High voltage output harness assembly, high-tension distribution box bundle of outputs assembly, battery system fast charge bundle assembly, Vehicular charger
Bundle assembly；It is total that low voltage wiring harness includes battery system signal bundle assembly, charging signals bundle assembly, high voltage power distribution signal harness
Into.
Battery system off-line detection system low voltage wiring harness divides two-way by battery system, defeated all the way as shown in black line thin in Fig. 2
Go out best friend's DC charging socket end, be in addition sequentially output all the way to high-tension distribution box, Vehicular charger, DC-DC and instrument.Battery
The output of system off-line detection system high-voltage wiring harness also divides two-way to carry out by battery system, as shown in heavy black in Fig. 2, exports all the way
To DC charging socket, DC charging socket can realize the offline DC charging inspection of battery system directly with national standard charging pile to inserting
Brake；In addition it is exported all the way to high-tension distribution box, DC-DC, vehicle is redistributed to by corresponding relay by high-tension distribution box
Carry charger and battery charging and discharging test cabinet.12V accumulators are powered to low-voltage signals such as low pressure BMS, instrument, each relays；It fills
Discharge test cabinet realizes the offline discharge examination function of battery system；Vehicular charger is connect with AC charging socket, which fills
Electrical socket is trickle charge socket, and trickle charge socket directly exchanges stake with national standard or household 220V is connect, it can be achieved that under battery system
Line AC charging detection function.
The system parts of battery testing system are provided with CAN communication function, and discharge examination, DC charging are detected and exchanged
Charging detection can see its real time status information by instrument, host computer and alternating current-direct current charging pile, including electric current, voltage, report
Alert information, fault message etc. ensure the reliability of off-line test, it can be achieved that charge and discharge consumption real-time monitoring.
When off-line test occurs extremely, BMS first passes through CAN bus notice charge-discharge test cabinet and alternating current-direct current charging pile is cut
Disconnected input and output, while BMS output control signals make total positive relay and always negative relay disconnects, and cut off high tension loop；It can
Failure cause is checked by host computer, under the premise of ensureing safety, to offline test and the offline test loop harness that discharges of charging
And electricity piece is investigated one by one, and then will likely the problem solved in offline test phase, avoid the occurrence of entrucking and finish
And cannot drive a vehicle or alternating current-direct current charge the problems such as, improve the offline vehicle percent of pass of vehicle.
Fig. 3 is the high-low pressure electrical schematic diagram of the present embodiment detecting system, including electrokinetic cell system, electrokinetic cell system
Including BMS, always bear the devices such as relay, Hall sensor and fast charge relay；High-tension distribution box includes total positive relay, preliminary filling
Resistance and preliminary filling relay；Electrokinetic cell system connects high-tension distribution box by high-voltage wiring harness, and the high-voltage wiring harness is also associated with
Battery charging and discharging test cabinet, and pass through trickle charge relay and AC socket is connected with Vehicular charger, and connect by fast charge relay
Connect DC charging socket.High-voltage wiring harness is also connected with DC-DC.
The normal electric port of BMS connects 12V accumulators by low voltage wiring harness, and ON grades of ports connect low-voltage line by ON gear switch
Beam；Low voltage wiring harness connection DC charging socket, AC charging socket and instrument.BMS is also connected with DC charging socket, AC charging
Socket, Vehicular charger, charge-discharge test cabinet and instrument.MSD is fuse disconnecting switch.
The present embodiment system detectio is divided into discharge process and charging process.
During discharge test, battery system is exported to high-tension distribution box, by being exported inside high-tension distribution box by preliminary filling circuit
To battery charging and discharging test cabinet, the test cabinet and vehicle CAN communication can receive the message of vehicle CAN associated batteries information such as：It is single
The information such as body ceiling voltage, monomer minimum voltage, SOC, discharge current, monomer maximum temperature and monomer minimum temperature, during operation
On gear switch is closed, and then simulates VCU periodicity sending start useful signals by CANtest, and notice BMS starts battery system
Strategy is powered on, electrical relay is closed in completion.Total positive relay can be checked by BMS host computers, always bears relay, preliminary filling relay
The closed state of device, detects whether it has the bad problem such as contact adhesion；Can on-line checking battery system high-voltage interlocking and absolutely
Edge situation；Monomer voltage, temperature, current acquisition and stagnation pressure are checked by host computer, compare host computer acquisition precision and test cabinet
Precision realizes calibration；It also can be simultaneously to battery systems warning messages such as pressure difference consistency, monomer alarm threshold value, electric current alarm threshold values
It carries out verifying whether its control mode is consistent with design requirement；It more can accurately to battery system, offline discharge capacity be surveyed
Examination.
Charging measurement is divided into DC charging test and AC charging test, can directly verify battery system AC charging and straight
Whether current charge correlation function and control logic are reasonable.During alternating-current measurement, as shown in Fig. 2, Vehicular charger passes through AC charging
Socket takes electricity, and Vehicular charger is exported to high-tension distribution box, is distributed by high-tension distribution box to battery system, realizes that AC charging is returned
Road.During AC charging, Vehicular charger and BMS pass through vehicle CAN real-time communications, it may be verified that BMS controls trickle charge relay real
Whether now, whether trickle charge CC and CP signal are correct, it is ensured that the design of AC charging testing and control logical AND is consistent.
During DC test, battery system high pressure fast charge is positive and negative directly to be connect with fast charge socket end, low-voltage signal such as A+, CC2
And CAN lines are also directly exported to fast charge socket end, fast charge socket and direct-current charging post by battery system low pressure connector to inserting i.e.
DC charging test verification can be achieved, direct-current charging post and BMS pass through CAN real-time communications of charging, it is ensured that DC charging test control
Logical AND design processed is consistent.
If alternating current-direct current charging is abnormal, failure cause can be checked by instrument and host computer, carry out AC charging circuit and
DC charging circuit investigate, and then will likely the problem solved in offline test phase, avoid the occurrence of entrucking and finish
And the problems such as being unable to AC charging.
Be presented above the utility model is related to specific embodiment, in battery system off-line test, discharge test
Process uses discharge test cabinet, while increases DC charging and AC charging detection device, can realize battery system function,
The fast verification of performance.
But the utility model is not limited to described embodiment, and the utility model is to be increased in offline test pair
The detection of DC charging and AC charging process, in other embodiments, thus it is possible to vary the quantity or type of controller, Huo Zhegai
Become the connection of specific electric wiring and realize identical technique effect, the technical solution formed in this way is that above-described embodiment is carried out
What fine tuning was formed, this technical solution is still fallen in the scope of protection of the utility model.
Claims (7)
1. a kind of battery system off-line detection system, it is characterised in that：Height including controller and for connecting power battery
Crimping beam, the high-voltage wiring harness connect discharge test cabinet, are provided in the discharge test cabinet and are surveyed for connecting the electric discharge of load
It tries mouth；The high-voltage wiring harness is also associated with for the AC charging device of incoming transport electricity and the direct current for accessing direct current
Charging unit.
2. a kind of battery system off-line detection system according to claim 1, it is characterised in that：The AC charging device packet
Include Vehicular charger and the AC charging socket for incoming transport electricity；The DC charging device includes accessing direct current
DC charging socket.
3. a kind of battery system off-line detection system according to claim 2, it is characterised in that：The high-voltage wiring harness passes through slow
It fills relay and connects the Vehicular charger；The high-voltage wiring harness connects the DC charging socket by fast charge relay；Institute
It states controller control and connects the trickle charge relay and fast charge relay.
4. a kind of battery system off-line detection system according to Claims 2 or 3, it is characterised in that：The electricity of the controller
Source port connects accumulator by low voltage wiring harness, and the ON shelves ports of the controller connect the low-voltage line by ON gear switch
Beam.
5. a kind of battery system off-line detection system according to claim 4, it is characterised in that：The controller passes through CAN
Bus connects the DC charging socket, the Vehicular charger and the discharge test cabinet.
6. a kind of battery system off-line detection system according to claim 5, it is characterised in that：The high-voltage wiring harness is also connected with
DC-DC。
7. a kind of battery system off-line detection system according to claim 6, it is characterised in that：It connects on the high-voltage wiring harness
There is fuse, the DC charging socket and the Vehicular charger connect the upstream high harness of the fuse under respectively
Swim high-voltage wiring harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366342.0U CN207488463U (en) | 2017-10-20 | 2017-10-20 | A kind of battery system off-line detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366342.0U CN207488463U (en) | 2017-10-20 | 2017-10-20 | A kind of battery system off-line detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488463U true CN207488463U (en) | 2018-06-12 |
Family
ID=62481025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721366342.0U Expired - Fee Related CN207488463U (en) | 2017-10-20 | 2017-10-20 | A kind of battery system off-line detection system |
Country Status (1)
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| CN (1) | CN207488463U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188305A (en) * | 2018-07-26 | 2019-01-11 | 奇瑞新能源汽车技术有限公司 | A kind of power battery cycling durable test device and its test method |
| CN109471038A (en) * | 2018-11-12 | 2019-03-15 | 芜湖奇达动力电池系统有限公司 | Electric automobile power battery packet performance automatic test system and test method |
| CN109975631A (en) * | 2018-11-14 | 2019-07-05 | 湖南海博瑞德电智控制技术有限公司 | A kind of test host computer of electrokinetic cell system BMS |
| CN110501648A (en) * | 2019-07-03 | 2019-11-26 | 江西恒动新能源有限公司 | A kind of control box convenient for battery pack fast and slow charge switch test |
| CN111257767A (en) * | 2020-02-21 | 2020-06-09 | 深圳普瑞赛思检测技术有限公司 | Battery integration detection system and method |
| CN112230166A (en) * | 2020-03-31 | 2021-01-15 | 蜂巢能源科技有限公司 | Module harness on-off test device and method and module offline test system |
-
2017
- 2017-10-20 CN CN201721366342.0U patent/CN207488463U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188305A (en) * | 2018-07-26 | 2019-01-11 | 奇瑞新能源汽车技术有限公司 | A kind of power battery cycling durable test device and its test method |
| CN109471038A (en) * | 2018-11-12 | 2019-03-15 | 芜湖奇达动力电池系统有限公司 | Electric automobile power battery packet performance automatic test system and test method |
| CN109471038B (en) * | 2018-11-12 | 2021-08-20 | 芜湖奇达动力电池系统有限公司 | Automatic performance test system and test method for power battery pack of electric automobile |
| CN109975631A (en) * | 2018-11-14 | 2019-07-05 | 湖南海博瑞德电智控制技术有限公司 | A kind of test host computer of electrokinetic cell system BMS |
| CN110501648A (en) * | 2019-07-03 | 2019-11-26 | 江西恒动新能源有限公司 | A kind of control box convenient for battery pack fast and slow charge switch test |
| CN111257767A (en) * | 2020-02-21 | 2020-06-09 | 深圳普瑞赛思检测技术有限公司 | Battery integration detection system and method |
| CN112230166A (en) * | 2020-03-31 | 2021-01-15 | 蜂巢能源科技有限公司 | Module harness on-off test device and method and module offline test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20211020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |