CN207601277U - A kind of circuit realized suitable for battery cell simulator failure - Google Patents
A kind of circuit realized suitable for battery cell simulator failure Download PDFInfo
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- CN207601277U CN207601277U CN201721454340.7U CN201721454340U CN207601277U CN 207601277 U CN207601277 U CN 207601277U CN 201721454340 U CN201721454340 U CN 201721454340U CN 207601277 U CN207601277 U CN 207601277U
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- relay
- dpdt relay
- dpdt
- pin
- output
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Abstract
The utility model discloses a kind of circuits realized suitable for battery cell simulator failure, including battery simulator output circuit, the battery simulator output circuit is connected separately with dpdt relay one and dpdt relay two, the output terminal of the dpdt relay one and the output terminal of dpdt relay two are connect with BMS controllers, the dpdt relay one is also associated with relay control signal one, and the dpdt relay two is also associated with relay control signal two.The beneficial effects of the utility model：The utility model does not need to change harness and access, open circuit, short circuit, the polarity inverted status of battery cell simulator can be realized in extraneous test environment, so as to fulfill the more fully test to BMS system reliabilities, stability.
Description
Technical field
The utility model is related to pure electric automobile technical field, it particularly relates to which a kind of battery cell that is suitable for is simulated
The circuit that device failure is realized.
Background technology
Pure electric automobile is of great significance for mitigating automobile exhaust pollution, reducing petroleum resources dependence etc..Mesh
It is preceding that pure electric automobile has obtained tremendous development and rapid growth is kept within the coming years under the support energetically of China's policy,
Major orthodox car factory and new-energy automobile factory also release the pure electric vehicle vehicle of oneself one after another.Along with the hair of pure electric automobile
Exhibition, core system of the BMS systems as pure electric automobile are just particularly important the test of its reliability, stability.
Mainly BMS systems with practical battery pack are connected to the test of pure electric automobile BMS systems at present, are based on
CAN communication detects the information such as battery core voltage, temperature in real time, by providing different external environments, such as high/low temperature, road test are come
The stabilization and security performance of test b MS.This test process has the following disadvantages：The equipment such as battery pack, high-low temperature chamber, charge and discharge
It is expensive, it takes up a large area；The battery pack charge and discharge time is long, and test is dumb；This test method does not have fault test
Ability, it is difficult to be simulated to failure；When a failure occurs it, if software processing is immature it is possible that damage battery pack and survey
Examination equipment even threatens the personal safety of tester.
In view of the above-mentioned prior art and Status of Experiments there are the defects of, it is a kind of can the test equipment of simulated battery packet just seem
There is an urgent need to.
Utility model content
For the above-mentioned technical problem in the relevant technologies, the utility model proposes one kind to be suitable for the event of battery cell simulator
Hinder the circuit realized, the above-mentioned deficiency of the prior art can be overcome.
To realize the above-mentioned technical purpose, the technical solution of the utility model is realized in：
A kind of circuit realized suitable for battery cell simulator failure, including battery simulator output circuit, the electricity
Pond simulator output circuit is connected separately with dpdt relay one and dpdt relay two, the double-pole double throw relay
The output terminal of device one and the output terminal of dpdt relay two are connect with BMS controllers, the dpdt relay one
Relay control signal one is also associated with, the dpdt relay two is also associated with relay control signal two.
Further, 1 pin of output of the battery simulator output circuit is defeated with dpdt relay one respectively
Enter upper pin to connect with pin in the input of dpdt relay two, the output 2 of the battery simulator output circuit
Pin is connect respectively with pin under the input of pin and dpdt relay two under the input of dpdt relay one.
Preferably, pin in the output of pin and dpdt relay two in the output of the dpdt relay one
It is connect with 1 pin of BMS controllers, pin and dpdt relay two under the output of the dpdt relay one
The lower pin of output is connect with 2 pins of BMS controllers.
Further, the output terminal of the dpdt relay one and the output terminal of dpdt relay two pass through
Sampling line is connect with BMS controllers.
The beneficial effects of the utility model：The utility model does not need to change harness and electricity can be realized in extraneous test environment
Access, open circuit, short circuit, the polarity inverted status of pond monomer simulator, so as to fulfill to BMS system reliabilities, stability more
Comprehensive test.
Description of the drawings
It 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, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is according to a kind of circuit realized suitable for battery cell simulator failure described in the utility model embodiment
Circuit block diagram；
In figure：
1st, battery simulator output circuit；2nd, relay control signal one；3rd, relay control signal two；4th, double-pole double throw
Relay one；5th, dpdt relay two；6th, BMS controllers.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art's all other embodiments obtained all belong to
In the range of the utility model protection.
As shown in Figure 1, one kind according to the utility model embodiment is realized suitable for battery cell simulator failure
Circuit, including battery simulator output circuit 1, the battery simulator output circuit 1 is connected separately with double-pole double throw relay
Device 1 and dpdt relay 25, the output terminal of the dpdt relay 1 and dpdt relay 25 it is defeated
Outlet is connect with BMS controllers 6, and the dpdt relay 1 is also associated with relay control signal 1, described double
Dpdt double-pole double-throw (DPDT) relay 25 is also associated with relay control signal 23.
In one embodiment, 1 pin of output of the battery simulator output circuit 1 respectively with double-pole double throw relay
Pin connects in the input of pin and dpdt relay 25 in the input of device 1, the battery simulator output electricity
2 pin of output on road 1 respectively under the input of pin and dpdt relay 25 under the input of dpdt relay 1
Pin connects.
In one embodiment, pin and dpdt relay 25 in the output of the dpdt relay 1
Output on pin connect with 1 pin of BMS controllers 6, pin and double-pole under the output of the dpdt relay 1
Pin is connect with 2 pins of BMS controllers 6 under the output of double-throw relay 25.
In one embodiment, the output terminal of the dpdt relay 1 and dpdt relay 25 is defeated
Outlet is connect by sampling line with BMS controllers 6.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, the battery cell simulation in battery cell simulator output circuit described in the utility model
Device is voltage transformation module, converts voltage to the grade similar with battery cell voltage, and can adjust output electricity according to demand
Pressure；The relay control signal one and relay control signal two, are generated by microprocessor, and height can be generated according to demand
Level signal controls the conducting of metal-oxide-semiconductor to turn off, and then controls leading for dpdt relay one and dpdt relay two
Logical and shutdown.
Dpdt relay one and dpdt relay two described in the utility model are controlled by relay believe respectively
Number one and relay control signal two control.When dpdt relay one is connected, system is in normal output state；Double-pole
When double-throw relay two is connected, system is in polarity reversion output state；When dpdt relay one and double-pole double throw relay
When device two is turned off, system is in off state；When dpdt relay one and dpdt relay two are both turned on, it is
System is in short-circuit condition.To sum up, which can realize that access, open circuit, short circuit, polarity invert four kinds of states.
BMS controllers described in the utility model are controller of battery management system, by acquiring battery core voltage, temperature
Signals are waited, are calculated, so as to fulfill the management to battery.
Battery cell simulator described in the utility model need to have short-circuit protection circuit, i.e. short circuit occurs for circuit output end
During failure, which can ensure that itself circuit does not damage.
In conclusion the utility model does not need to change harness and battery cell simulator can be realized in extraneous test environment
Access, open circuit, short circuit, polarity inverted status, so as to fulfill the more fully test to BMS system reliabilities, stability.
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 (4)
1. a kind of circuit realized suitable for battery cell simulator failure, which is characterized in that export electricity including battery simulator
Road（1）, the battery simulator output circuit（1）It is connected separately with dpdt relay one（4）And dpdt relay
Two（5）, the dpdt relay one（4）Output terminal and dpdt relay two（5）Output terminal with BMS control
Device（6）Connection, the dpdt relay one（4）It is also associated with relay control signal one（2）, the double-pole double throw relay
Device two（5）It is also associated with relay control signal two（3）.
A kind of 2. circuit realized suitable for battery cell simulator failure according to claim 1, which is characterized in that institute
State battery simulator output circuit（1）1 pin of output respectively with dpdt relay one（4）Input on pin and double-pole
Double-throw relay two（5）Input on pin connection, the battery simulator output circuit（1）2 pin of output respectively with it is double
Dpdt double-pole double-throw (DPDT) relay one（4）Input under pin and dpdt relay two（5）Input under pin connect.
A kind of 3. circuit realized suitable for battery cell simulator failure according to claim 2, which is characterized in that institute
State dpdt relay one（4）Output on pin and dpdt relay two（5）Output on pin with BMS control
Device（6）1 pin connection, the dpdt relay one（4）Output under pin and dpdt relay two（5）It is defeated
Go out lower pin with BMS controllers（6）2 pins connection.
A kind of 4. circuit realized suitable for battery cell simulator failure according to claim 1, which is characterized in that institute
State dpdt relay one（4）Output terminal and dpdt relay two（5）Output terminal controlled by sampling line and BMS
Device processed（6）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454340.7U CN207601277U (en) | 2017-11-03 | 2017-11-03 | A kind of circuit realized suitable for battery cell simulator failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454340.7U CN207601277U (en) | 2017-11-03 | 2017-11-03 | A kind of circuit realized suitable for battery cell simulator failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207601277U true CN207601277U (en) | 2018-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721454340.7U Expired - Fee Related CN207601277U (en) | 2017-11-03 | 2017-11-03 | A kind of circuit realized suitable for battery cell simulator failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207601277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613377A (en) * | 2019-01-11 | 2019-04-12 | 蜂巢能源科技有限公司 | Battery analog system relay status detects analog circuit and device |
-
2017
- 2017-11-03 CN CN201721454340.7U patent/CN207601277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613377A (en) * | 2019-01-11 | 2019-04-12 | 蜂巢能源科技有限公司 | Battery analog system relay status detects analog circuit and device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20211103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |