CN205092612U - Battery package with output safety inspection function - Google Patents
Battery package with output safety inspection function Download PDFInfo
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- CN205092612U CN205092612U CN201520819440.XU CN201520819440U CN205092612U CN 205092612 U CN205092612 U CN 205092612U CN 201520819440 U CN201520819440 U CN 201520819440U CN 205092612 U CN205092612 U CN 205092612U
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- relay
- electric capacity
- management system
- control unit
- positive pole
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a battery package with output safety inspection function, including group battery, battery management system the control unit, first relay, second relay, third relay, power resistor, electric capacity and voltage acquisition module. The utility model provides a battery package with output safety inspection function appears at external load under the condition of short circuit, can in time break off being connected between battery package and the external load, has solved the harm because of the short circuit of car external load causes the battery package effectively.
Description
Technical field
The utility model relates to electric automobiles, is specifically related to a kind of power brick with output safety measuring ability.
Background technology
Along with the develop rapidly of electric automobile, the stability of electric automobile all parts more and more pay attention to by users.Power brick is the power resources of electric automobile, and therefore the security performance of power brick enjoys electric automobile manufacturer and user to pay close attention to.Only can carry out before common batteries wraps in and powers on self detecting, if inner member is no problem, the master of power brick just will close with main negative relay.But except inner member, the external loading of power brick, if there is short circuit, can damage the components and parts of power brick home loop equally.
Utility model content
For solving the problems of the technologies described above, the power brick with output safety measuring ability that the utility model proposes, comprise battery pack, battery management system control unit, first relay, second relay, 3rd relay, power resistor, electric capacity and voltage acquisition module, one end of the coil of described first relay is connected with described battery management system control unit, other end ground connection, the transfer contact of described first relay is connected with the positive pole of described battery pack, the normally opened contact of described first relay is connected with the positive pole of described electric capacity and the main positive pole of described power brick respectively, one end of the coil of described second relay is connected with described battery management system control unit, other end ground connection, the transfer contact of described second relay is connected with the negative pole of described battery pack, and the normally opened contact of described second relay is connected with the negative pole of described electric capacity and the main negative pole of described power brick respectively, one end of the coil of described 3rd relay is connected with described battery management system control unit, other end ground connection, the transfer contact of described 3rd relay is connected with the positive pole of described battery pack, the normally opened contact of described 3rd relay is connected with one end of described power resistor, and the other end of described power resistor is connected with the positive pole of described electric capacity, the positive pole of described voltage acquisition module is connected with the positive pole of described electric capacity, and the negative pole of described voltage acquisition module is connected with the negative pole of described electric capacity, and described voltage acquisition module also comprises the voltage acquisition end be connected with described battery management system control unit.
As further improvement of the utility model, described power brick also comprises the service switch be connected in described battery pack.
Compared with prior art, the power brick with output safety measuring ability that the utility model proposes, when external loading is if there is short circuit, the connection between power brick and external loading can be disconnected in time, efficiently solve the harm because automobile external load short circuits causes power brick.
Accompanying drawing explanation
Fig. 1 is the structural representation with the power brick of output safety measuring ability of the present utility model;
Fig. 1 comprises battery pack 1, battery management system control unit 2, service switch 3, first relay K 1, second relay K 2, the 3rd relay K 3, power resistor R, electric capacity C, voltage acquisition module V, power brick main positive pole HV+ and the main negative pole HV-of power brick.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the power brick with output safety measuring ability in the present embodiment, comprise battery pack 1, battery management system control unit 2, first relay K 1, second relay K 2, the 3rd relay K 3, power resistor R, electric capacity C and voltage acquisition module V, one end of the coil of the first relay K 1 is connected with battery management system control unit 2, other end ground connection, the transfer contact of the first relay K 1 is connected with the positive pole of battery pack 1, and the normally opened contact of the first relay K 1 is connected with the positive pole of electric capacity C and the main positive pole HV+ of power brick respectively; One end of the coil of the second relay K 2 is connected with battery management system control unit 2, other end ground connection, the transfer contact of the second relay K 2 is connected with the negative pole of battery pack 1, and the normally opened contact of the second relay K 2 is connected with the negative pole of electric capacity C and the main negative pole HV-of power brick respectively; One end of the coil of the 3rd relay K 3 is connected with battery management system control unit 2, other end ground connection, and the transfer contact of the 3rd relay K 3 is connected with the positive pole of battery pack 1, and the normally opened contact of the 3rd relay K 3 is connected with one end of power resistor R; The other end of power resistor R is connected with the positive pole of electric capacity C; The positive pole of voltage acquisition module V is connected with the positive pole of electric capacity C, and negative pole is connected with the negative pole of electric capacity C, and voltage acquisition module V also comprises the voltage acquisition end (not shown) be connected with battery management system control unit 2.
Battery management system control unit 2 can control the closed or disconnection of the first relay K 1, second relay K 2, the 3rd relay K 3.For the first relay K 1: battery management system control unit 2 gives the coil power supply of the first relay K 1, and coil produces magnetic field, thus the normally opened contact of adhesive first relay K 1, thus the first relay K 1 is closed; Battery management system control unit 2 stops to the coil power supply of the first relay K 1, the magnetic field dissipate of coil, and the normally opened contact of the first relay K 1 reverts to normally open, and the first relay K 1 disconnects.
In a preferred embodiment, described power brick also comprises the service switch 3 be connected in battery pack 1, by disconnecting service switch 3, can keep in repair power brick.
The operation principle with the power brick of output safety measuring ability described in the utility model is:
When power brick does not have an external load, the first relay K 1, second relay K 2 and the 3rd relay K 3 are all in off-state.When positive pole HV+, the negative pole HV-external load of power brick, closed second relay K 2 of battery management system control unit 2 and the 3rd relay K 3, now, battery pack 1, power resistor R and electric capacity C form charge circuit, and charge to capacitor C.Voltage acquisition module V gathers the magnitude of voltage at electric capacity C two ends, and send magnitude of voltage to battery management system control unit 2 by voltage acquisition end (not shown), battery management system control unit 2 judges that this magnitude of voltage is whether normal, and makes according to judged result and control as follows to select:
1. the voltage at electric capacity C two ends is normal: illustrate that short circuit does not appear in external load, closed first relay K 1 of battery management system control unit 2, disconnect the 3rd relay K 3, now main positive pole HV+, the main negative pole HV-of power brick and external load conducting, power brick normal power supply simultaneously;
2. the electric voltage exception at electric capacity C two ends: illustrate that short circuit appears in external load, battery management system control unit 2 disconnects the second relay K 2 and the 3rd relay K 3, and now main positive pole HV+, main negative pole HV-and external load disconnect in succession, and power brick is stopped power supply.
The enough detailed description with certain particularity is carried out to the utility model above.Belonging to those of ordinary skill in field should be appreciated that, the description in embodiment is only exemplary, make under the prerequisite not departing from true spirit of the present utility model and scope change and all should belong to protection range of the present utility model.The utility model scope required for protection is undertaken limiting by described claims, instead of limited by the foregoing description in embodiment.
Claims (2)
1. there is a power brick for output safety measuring ability, it is characterized in that: comprise battery pack, battery management system control unit, the first relay, the second relay, the 3rd relay, power resistor, electric capacity and voltage acquisition module;
One end of the coil of described first relay is connected with described battery management system control unit, other end ground connection, the transfer contact of described first relay is connected with the positive pole of described battery pack, and the normally opened contact of described first relay is connected with the positive pole of described electric capacity and the main positive pole of described power brick respectively;
One end of the coil of described second relay is connected with described battery management system control unit, other end ground connection, the transfer contact of described second relay is connected with the negative pole of described battery pack, and the normally opened contact of described second relay is connected with the negative pole of described electric capacity and the main negative pole of described power brick respectively;
One end of the coil of described 3rd relay is connected with described battery management system control unit, other end ground connection, the transfer contact of described 3rd relay is connected with the positive pole of described battery pack, the normally opened contact of described 3rd relay is connected with one end of described power resistor, and the other end of described power resistor is connected with the positive pole of described electric capacity;
The positive pole of described voltage acquisition module is connected with the positive pole of described electric capacity, and the negative pole of described voltage acquisition module is connected with the negative pole of described electric capacity, and described voltage acquisition module also comprises the voltage acquisition end be connected with described battery management system control unit.
2. have the power brick of output safety measuring ability as claimed in claim 1, it is characterized in that, described power brick also comprises the service switch be connected in described battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819440.XU CN205092612U (en) | 2015-10-22 | 2015-10-22 | Battery package with output safety inspection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819440.XU CN205092612U (en) | 2015-10-22 | 2015-10-22 | Battery package with output safety inspection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092612U true CN205092612U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520819440.XU Active CN205092612U (en) | 2015-10-22 | 2015-10-22 | Battery package with output safety inspection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736452A (en) * | 2018-05-02 | 2018-11-02 | 深圳市欣旺达综合能源服务有限公司 | Circuit is protected in the anti-emptying of self-powered of battery energy storage system |
| CN114325412A (en) * | 2017-03-20 | 2022-04-12 | 华为技术有限公司 | Detection circuit, method and device |
-
2015
- 2015-10-22 CN CN201520819440.XU patent/CN205092612U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325412A (en) * | 2017-03-20 | 2022-04-12 | 华为技术有限公司 | Detection circuit, method and device |
| CN108736452A (en) * | 2018-05-02 | 2018-11-02 | 深圳市欣旺达综合能源服务有限公司 | Circuit is protected in the anti-emptying of self-powered of battery energy storage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180209 Address after: 224000 South Road South Road, Yancheng City economic and Technological Development Zone, Jiangsu Province, No. 43 Co-patentee after: Jiangsu Xinxin energy passenger car Co., Ltd. Patentee after: Jiangsu Aoxin New Energy Automobile Co., Ltd. Co-patentee after: Jiangsu Green New Energy Vehicle Co. Ltd. Address before: 224007 South Road South Road, Yancheng City Development Zone, Jiangsu Province, No. 43 Patentee before: Jiangsu Aoxin New Energy Automobile Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191118 Address after: 224000 No. 69, East Ring Road, Yancheng City economic and Technological Development Zone, Jiangsu Co-patentee after: Jiangsu Xinxin energy passenger car Co., Ltd. Patentee after: New Energy Automobile Research Institute Co Ltd Co-patentee after: Jiangsu Aoxin New Energy Automobile Co., Ltd. Address before: 224000 South Road South Road, Yancheng City economic and Technological Development Zone, Jiangsu Province, No. 43 Co-patentee before: Jiangsu Xinxin energy passenger car Co., Ltd. Patentee before: Jiangsu Aoxin New Energy Automobile Co., Ltd. Co-patentee before: Jiangsu Green New Energy Vehicle Co. Ltd. |
|
| TR01 | Transfer of patent right |