CN203937521U - A kind of batteries of electric automobile security protection system - Google Patents
A kind of batteries of electric automobile security protection system Download PDFInfo
- Publication number
- CN203937521U CN203937521U CN201420346728.5U CN201420346728U CN203937521U CN 203937521 U CN203937521 U CN 203937521U CN 201420346728 U CN201420346728 U CN 201420346728U CN 203937521 U CN203937521 U CN 203937521U
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- China
- Prior art keywords
- battery
- batteries
- electric automobile
- drive circuit
- controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000001133 acceleration Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of batteries of electric automobile security protection system, comprise controller, acceleration pick-up, contactor drive circuit module, contact modules, battery charger, battery pack, load, contact modules comprises a plurality of contactless switchs, battery pack comprises a plurality of battery modules, a plurality of battery module series connection that battery pack comprises, the contactless switch of connecting between every two battery modules.The invention also discloses a kind of batteries of electric automobile safety protecting method, can realize electronlmobil and disconnect at each battery module in battery pack that crashes or stop when uncharged.When the utility model can be realized at electronlmobil in parking uncharged state and crash, between battery module, disconnect, prevent the potential safety hazard of bringing because of high potential.
Description
Technical field
The utility model relates to battery management system, especially a kind of batteries of electric automobile security protection system.
Background technology
Short circuit hidden danger under electronlmobil high potential has been brought very large challenge to the popularization of electronlmobil, and electronlmobil voltage is up to more than 300 volts, if bump, electronlmobil should be at very first time auto-breaking, so that guarantee can short circuit.But if the avoidance of policy of anti-short circuit will lead to major accident, threaten personnel's personal safety by bus.This possess oil circuit automatic locking function the same just as conventional gasoline car when bumping.Otherwise, also there will be the extreme case exploding because of fuel oil leakage.
The safety protection function of existing cell management system of electric automobile mainly contains overcurrent protection, super-charge super-discharge protection; overheat protector etc.; protection shorter mention when electronlmobil is crashed, producer is many by selecting the battery of better performance to prevent the injury that this type of accident causes.
Utility model content
The purpose of this utility model has been to provide a kind of batteries of electric automobile security protection system, and electronlmobil is disconnected at each battery module in battery pack that crashes or stop when uncharged.
The technical scheme that the utility model adopts is: a kind of batteries of electric automobile security protection system, comprising: controller, acceleration pick-up, contactor drive circuit module, contact modules, battery charger, battery pack, load; Described contact modules comprises a plurality of contactless switchs, and battery pack comprises a plurality of battery modules; Described acceleration pick-up is connected with controller, controller is connected with contactor drive circuit module, contactor drive circuit module is connected with contact modules, battery charger is connected with controller, battery charger is connected with battery pack, battery pack is connected with load, it is characterized in that: controller can send a signal to contactor drive circuit module, and a plurality of contactless switchs in contactor drive circuit module drive contact modules are disconnected or closure.
Further, a plurality of battery modules are connected mutually.
Further, between every two battery modules, be provided with a contactless switch.
Further, when inputting without control signal, described contactless switch is in normal off-state.
The beneficial effect that the utility model produces is: when can realize at electronlmobil in parking uncharged state and crashing, between battery module, disconnect, prevent the potential safety hazard of bringing because of high potential.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model contact modules;
Fig. 3 is the diagram of circuit of process of charging in the utility model;
Fig. 4 is the diagram of circuit of automobile normal running process in the utility model;
Fig. 5 is diagram of circuit when automobile crashes in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 has provided the batteries of electric automobile security protection system structural representation described in embodiment mono-, comprises controller 1, acceleration pick-up 2, contactor drive circuit module 3, contact modules 4, battery charger 5, battery pack 6, load 7.
Battery charger 5 is connected with battery pack 6, and accumulators group 6 power supplies in process of charging, and battery pack 6 is connected with load 7, and to load 7, powers when electric automobile during traveling.
Battery charger 5 is connected with controller 1, and to controller 1, sends charging equipment connection correct signal when preparing charging.
Acceleration pick-up 2 is connected with controller 1, and sends instantaneous acceleration signal to controller 1.
Controller 1 is connected with contactor drive circuit module 3, contactor drive circuit module 3 is connected with contact modules 4, controller 1 sends a signal to contactor drive circuit module 3, and contactor drive circuit module 3 drives a plurality of contactless switchs 41 in contact modules 4 to disconnect or be closed.
As shown in Figure 2, a plurality of battery modules 61 series connection that battery pack 6 comprises, and the contactless switch 41 of connecting between every two battery modules 61, while inputting without control signal, contactless switch 41 is in normal off-state.
Controller 1 is when electronlmobil being detected in parking uncharged state and crashing, send a signal to contactor drive circuit module 3, contactor drive circuit module 3 drives a plurality of contactless switchs 41 in contact modules 4 to disconnect, thereby disconnects between battery module 61.
As shown in Figure 3, the diagram of circuit of process of charging in batteries of electric automobile safety protecting method described in the utility model embodiment bis-, after charging equipment connects correctly, battery charger 5 sends connection correct signal to controller 1, controller 1 receives and connects after correct signal, send contactless switch closure signal to contactor drive circuit module 3, a plurality of contactless switchs 41 closures that contactor drive circuit module 3 drives in contact modules 4, start charging; After charging finishes, controller 1 sends contactless switch cut-off signal to contactor drive circuit module 3, and contactor drive circuit module 3 drives a plurality of contactless switchs 41 in contact modules 4 to disconnect, and disconnects complete charge between battery module 61.
As shown in Figure 4, the diagram of circuit of automobile normal running process in batteries of electric automobile safety protecting method described in the utility model embodiment bis-, controller 1 receives after vehicle activation signal, controller 1 sends contactless switch closure signal to contactor drive circuit module 3, a plurality of contactless switchs 41 closures that contactor drive circuit module 3 drives in contact modules 4, automobile starting; Controller 1 receives after running car end signal, and controller 1 sends contactless switch cut-off signal to contactor drive circuit module 3, and contactor drive circuit module 3 drives a plurality of contactless switchs 41 in contact modules 4 to disconnect, and between battery module 61, disconnects.
As shown in Figure 5, diagram of circuit when automobile crashes in the batteries of electric automobile safety protecting method described in the utility model embodiment bis-, when electronlmobil crashes, pickup transient change value surpasses threshold value, acceleration pick-up 2 sends instantaneous acceleration signal to controller 1, if now controller 1 lost efficacy, contactless switch 41 normally open contacts disconnect, and between battery module 61, disconnect; If controller 1 can normally be worked, controller 1 sends contactless switch cut-off signal to contactor drive circuit module 3, and contactor drive circuit module 3 drives a plurality of contactless switchs 41 in contact modules 4 to disconnect, and between battery module 61, disconnects.
When above-described embodiment can be realized at electronlmobil in parking uncharged state and crash, between battery module 61, disconnect, prevent the potential safety hazard of bringing because of high potential.
Above-mentioned various scene is only preferably embodiment of the utility model, not the utility model is done to any pro forma restriction, and protection domain of the present utility model is not limited to this.Anyly be familiar with those skilled in the art in the technical scope that the utility model discloses, within making various distortion, supplement or replace and all belonging to protection domain of the present utility model.
Claims (4)
1. a batteries of electric automobile security protection system, comprising: controller (1), acceleration pick-up (2), contactor drive circuit module (3), contact modules (4), battery charger (5), battery pack (6), load (7), described contact modules (4) comprises a plurality of contactless switchs (41), and battery pack (6) comprises a plurality of battery modules (61), described acceleration pick-up (2) is connected with controller (1), controller (1) is connected with contactor drive circuit module (3), contactor drive circuit module (3) is connected with contact modules (4), battery charger (5) is connected with controller (1), battery charger (5) is connected with battery pack (6), battery pack (6) is connected with load (7), it is characterized in that: controller (1) can send a signal to contactor drive circuit module (3), make contactor drive circuit module (3) drive a plurality of contactless switchs (41) in contact modules (4) to disconnect or closure.
2. a kind of batteries of electric automobile security protection system according to claim 1, is characterized in that: a plurality of battery modules (61) are connected mutually.
3. according to a kind of batteries of electric automobile security protection system described in claim 1 and 2, it is characterized in that: between every two battery modules (61), be provided with a contactless switch (41).
4. a kind of batteries of electric automobile security protection system according to claim 1, is characterized in that: when inputting without control signal, described contactless switch (41) is in normal off-state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346728.5U CN203937521U (en) | 2014-06-27 | 2014-06-27 | A kind of batteries of electric automobile security protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346728.5U CN203937521U (en) | 2014-06-27 | 2014-06-27 | A kind of batteries of electric automobile security protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203937521U true CN203937521U (en) | 2014-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420346728.5U Expired - Lifetime CN203937521U (en) | 2014-06-27 | 2014-06-27 | A kind of batteries of electric automobile security protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203937521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108315A (en) * | 2014-06-27 | 2014-10-22 | 三门峡速达交通节能科技股份有限公司 | Electric automobile battery safety protection system and method |
-
2014
- 2014-06-27 CN CN201420346728.5U patent/CN203937521U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108315A (en) * | 2014-06-27 | 2014-10-22 | 三门峡速达交通节能科技股份有限公司 | Electric automobile battery safety protection system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shaanxi Sino German Silk Road Enterprise Culture Exchange Co.,Ltd. Assignor: SANMENXIA SUDA TRANSPORTATION ENERGY SAVING TECHNOLOGY Co.,Ltd. Contract record no.: 2017410000011 Denomination of utility model: Electric automobile battery safety protection system and method Granted publication date: 20141112 License type: Exclusive License Record date: 20170707 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |
|
| CX01 | Expiry of patent term |