CN202997000U - Protective device for battery box of electric car - Google Patents
Protective device for battery box of electric car Download PDFInfo
- Publication number
- CN202997000U CN202997000U CN201220736881XU CN201220736881U CN202997000U CN 202997000 U CN202997000 U CN 202997000U CN 201220736881X U CN201220736881X U CN 201220736881XU CN 201220736881 U CN201220736881 U CN 201220736881U CN 202997000 U CN202997000 U CN 202997000U
- Authority
- CN
- China
- Prior art keywords
- battery case
- protective device
- fluid reservoir
- controller
- air pump
- Prior art date
- 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 - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a protective device for a battery box of an electric car. The protective device comprises a battery box, a liquid storage tank, an air pump and a controller which is arranged on the battery box. The upper end of the liquid storage tank is communicated with the air pump by an air tube and the lower end of the liquid storage tank is communicated with the battery box by a pipeline. A solenoid valve is arranged on the pipeline and the controller and the solenoid valve are in electrical connection. Therefore, the protective device disclosed by the utility model can perform real-tine monitoring on battery packs in the battery box and in case of danger or potential safety hazard, protective actions can be performed in time to ensure the safety of the electric car and people. Meanwhile, the structure is simple, the speed of the implementation of reaction is high and the safety is high.
Description
Technical field
The utility model relates to the electric automobile field, relates in particular to a kind of battery case protective device of electric automobile.
Background technology
Under energy shortage and the more and more serious present situation of environmental pollution, the arising at the historic moment and develop the direction that has represented new-energy automobile of electric automobile, electric automobile is take vehicle power as power, travel with power wheel, meet the vehicle of road traffic, safety regulations requirements, and have fewer environmental impacts, can substitute the use of non-renewable energy resources gasoline; Power resources as electric automobile, battery is being brought into play irreplaceable effect, and require to have larger capacity and voltage as the electrokinetic cell of electric car power supply, but voltage and the capacity of cell are all less, therefore, general in electric automobile need be loaded on a lot of cells a plurality of battery cases, form battery pack to reach the requirement of car power source by series and parallel.
But, due to reasons such as present production technologies, inevitably there are some differences in the capacity of each cell and performance, battery pack is in when discharge, and the battery of the little poor performance of capacity had puts phenomenon, and during charging, phenomenon can appear overcharging again in the battery of the little poor performance of capacity, if things go on like this, this species diversity can be increasing, makes the utilance of battery pack more and more lower; More seriously, overcharging or under condition to one's heart's content, the barrier film between battery plus-negative plate can be breakdown and short circuit, produces high temperature, overheatedly makes the electrolyte vaporization, expanding causes battery case break, catch fire or explode, and therefore, there is great potential safety hazard in it.Therefore, need to be equipped with the battery real-time monitoring device on electric automobile, and be generally to configure hand fire extinguisher on electric automobile at present, but the method dangerous hysteresis to implementing on fire extinguishing meeting life period occurs from the discovery electric automobile, can not effectively remove potential safety hazard.
The utility model content
The utility model embodiment technical problem to be solved is; a kind of battery case protective device of electric automobile is provided, and this device can carry out Real-Time Monitoring to the battery pack in battery case, when danger or potential safety hazard occurring; can in time implement the protection action, to guarantee electric automobile and personnel's safety.
In order to solve the problems of the technologies described above, the utility model provides a kind of battery case protective device of electric automobile, comprises battery case, fluid reservoir, air pump and is located at controller on described battery case; The upper end of described fluid reservoir communicates with described air pump by tracheae, and the lower end of described fluid reservoir communicates with described battery case by pipeline; Described pipeline is provided with electromagnetically operated valve, and described controller and electromagnetically operated valve are electrically connected.
As the improvement of such scheme, be provided with temperature sensor and/or Smoke Sensor in described battery case, described temperature sensor and/or Smoke Sensor are connected with described controller.
As the improvement of such scheme, described air pump is electric air pump.
As the improvement of such scheme, described tracheae is provided with Non-return air valve.
As the improvement of such scheme, described fluid reservoir upper end is provided with inlet, and described inlet is provided with seal valve.
As the improvement of such scheme, described fluid reservoir lower end is provided with floss hole at residual night, and described residual night, floss hole was provided with control valve.
As the improvement of such scheme, described controller is provided with the instant fire extinguishment button.
As the improvement of such scheme, described battery case is provided with a plurality of.
As the improvement of such scheme, in described fluid reservoir, extinguishing chemical/extinguishing fluid is housed.
The enforcement the beneficial effects of the utility model are: this device comprises battery case, fluid reservoir, air pump and is located at controller on described battery case, the upper end of described fluid reservoir communicates with described air pump by tracheae, the lower end of described fluid reservoir communicates with described battery case by pipeline, described pipeline is provided with electromagnetically operated valve, and described controller and electric electromagnetically operated valve are electrically connected; When occurring potential safety hazard or danger in battery case; controller is controlled electromagnetically operated valve and is opened; make the extinguishing material in fluid reservoir spray into battery case; a large amount of extinguishing materials can be full of battery case and be covered in hidden danger point or the ignition point cell around; make hidden danger point or ignition point and air isolated; to remove potential safety hazard, protection electric automobile and personnel's safety.
Simultaneously, be provided with temperature sensor and/or Smoke Sensor in described battery case, described temperature sensor and/or Smoke Sensor are connected with described controller, it can be monitored the temperature in battery case and smog situation in real time, can in time find dangerous situation, avoid dangerous situation further to worsen; When reaching preset value or Smoke Sensor to the temperature in battery case, temperature sensor monitors monitors when in battery case, smog being arranged, namely this dangerous situation can be fed back to controller, controller namely can be controlled the cutoff high circuit, controls simultaneously electromagnetically operated valve and opens, to implement to remove the potential safety hazard action.Therefore, the utility model can carry out Real-Time Monitoring to the battery pack in battery case, when danger or potential safety hazard occurring, can in time implement the protection action, to guarantee electric automobile and personnel's safety; Simultaneously, its structure is simple, enforcement reaction action is very fast, fail safe is higher.
Description of drawings
Fig. 1 is the structural representation of the battery case protective device of a kind of electric automobile of the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the battery case protective device of a kind of electric automobile of the utility model comprises battery case 1, fluid reservoir 2, air pump 3 and is located at controller 4 on described battery case 1; The upper end of described fluid reservoir 2 communicates with described air pump 3 by tracheae, and the lower end of described fluid reservoir 2 communicates with described battery case 1 by pipeline; Described pipeline is provided with electromagnetically operated valve 11, and described controller 4 is electrically connected with electromagnetically operated valve 11.
Need to prove, described controller 1 comprises amplification comparison circuit, OR circuit and executive circuit; Described fluid reservoir 2 is the high pressure fluid reservoir, and the air inlet that communicates with tracheae on fluid reservoir 2 is provided with triple valve 23, in fluid reservoir 2, extinguishing material is housed; In addition, this executive circuit comprises relay, and when being in an emergency, but controller 4 control relays cut off circuit.
When occurring potential safety hazard or danger in battery case 1; controller 1 is controlled electromagnetically operated valve 11 and is opened; make the extinguishing material in fluid reservoir 2 spray into battery case 1; a large amount of extinguishing materials can be full of battery case 1 and be covered in hidden danger point or the ignition point cell around; make hidden danger point or ignition point and air isolated; to remove potential safety hazard, protection electric automobile and personnel's safety.
More preferably, be provided with temperature sensor and/or Smoke Sensor (not shown in FIG.) in described battery case 1, described temperature sensor and/or Smoke Sensor are connected with described controller 4.
Need to prove, described temperature sensor and/or Smoke Sensor can be monitored the temperature in battery case 1 and smog situation in real time, can in time find dangerous situation, avoid dangerous situation further to worsen; When reaching preset value or Smoke Sensor to the temperature in battery case 1, temperature sensor monitors monitors when in battery case 1, smog being arranged, in time this dangerous situation is fed back to controller 4, controller 4 is control relay cutoff high circuit again, control simultaneously electromagnetically operated valve 11 and open, to implement to remove the potential safety hazard action.
More preferably, described air pump 3 is electric air pump.
Need to prove, air pump 3 is used for so that the liquid in fluid reservoir 2 becomes highly pressurised liquid, being convenient to process the emergencies such as on fire or blast to fluid reservoir 2 inflations.
More preferably, described tracheae is provided with Non-return air valve 12.
More preferably, described fluid reservoir 2 upper ends are provided with inlet 21, and described inlet 21 is provided with seal valve.
Need to prove, inlet 21 adds flow container (not shown in FIG.) with a high position and communicates, and also is provided with observation window of liquid level (not shown in FIG.) on fluid reservoir 2; When the needs liquid feeding, first the triple valve 23 at the enterprising gas port of fluid reservoir 2 place is placed in the high pressure gas that the venting position emits fluid reservoir 2, then seal valve is placed in the conducting position, the extinguishing material that adds in flow container is added in fluid reservoir 2, carrying out liquid level by observation window of liquid level observes, when adding to when specifying the liquid level scope, close seal valve, triple valve 23 is placed in the air inlet position gets final product; When electric automobile started, air pump 3 can be inflated in fluid reservoir 2 by unidirectional valve 12 and tracheae, guaranteeing the interior maintenance high pressure conditions of fluid reservoir 2, for the emergency that may occur at any time ready.
More preferably, described fluid reservoir 2 lower ends are provided with floss hole 22 at residual night, and described residual night, floss hole 22 was provided with control valve.
Need to prove, can extinguishing material expired in fluid reservoir 2 be emitted by floss hole 22 at residual night.
More preferably, described controller 4 is provided with the instant fire extinguishment button.
Need to prove, when temperature sensor and/or Smoke Sensor are malfunctioning when finding emergency is arranged, can press the instant fire extinguishment button, control controller 4 and cut off circuit and open the processing of suing and labouring of 11 pairs of battery cases 1 of battery valve, further worsen to avoid emergency.
More preferably, described battery case 1 is provided with a plurality of.
More preferably, in described fluid reservoir 2, extinguishing chemical/extinguishing fluid is housed.
Need to prove, described extinguishing chemical/extinguishing fluid can be the mixed solution that fire foam and water configure by a certain percentage; Because the voltage in each battery case 1 is not high, so the short circuit that is caused by water can't damage the still performance of intact battery.
As from the foregoing, the utility model comprises battery case 1, fluid reservoir 2, air pump 3 and is located at controller 4 on described battery case 1, the upper end of described fluid reservoir 2 communicates with described air pump 3 by tracheae, the lower end of described fluid reservoir 2 communicates with described battery case 1 by pipeline, described pipeline is provided with electromagnetically operated valve 11, and described controller 4 is electrically connected with electric electromagnetically operated valve 11; When occurring potential safety hazard or danger in battery case 1; controller 4 is controlled electromagnetically operated valve 11 and is opened; make the extinguishing material in fluid reservoir 2 spray into battery case 1; a large amount of extinguishing materials can be full of battery case 1 and be covered in hidden danger point or the ignition point cell around; make hidden danger point or ignition point and air isolated; to remove potential safety hazard, protection electric automobile and personnel's safety.
Simultaneously, be provided with temperature sensor and/or Smoke Sensor in described battery case 1, described temperature sensor and/or Smoke Sensor are connected with described controller 4, it can be monitored the temperature in battery case 1 and smog situation in real time, can in time find dangerous situation, avoid dangerous situation further to worsen; When reaching preset value or Smoke Sensor to the temperature in battery case 1, temperature sensor monitors monitors when in battery case 1, smog being arranged, namely this dangerous situation can be fed back to controller 4, controller 4 namely can be controlled the cutoff high circuit, control simultaneously electromagnetically operated valve 11 and open, to implement to remove the potential safety hazard action.Therefore, the utility model can carry out Real-Time Monitoring to the battery pack in battery case 1, when danger or potential safety hazard occurring, can in time implement the protection action, to guarantee electric automobile and personnel's safety; Simultaneously, its structure is simple, enforcement reaction action is very fast, fail safe is higher.
The above is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (9)
1. the battery case protective device of an electric automobile, comprise battery case, it is characterized in that, also comprises fluid reservoir, air pump and be located at controller on described battery case;
The upper end of described fluid reservoir communicates with described air pump by tracheae, and the lower end of described fluid reservoir communicates with described battery case by pipeline; Described pipeline is provided with electromagnetically operated valve, and described controller and electromagnetically operated valve are electrically connected.
2. battery case protective device as claimed in claim 1, is characterized in that, is provided with temperature sensor and/or Smoke Sensor in described battery case, and described temperature sensor and/or Smoke Sensor are connected with described controller.
3. battery case protective device as claimed in claim 1, is characterized in that, described air pump is electric air pump.
4. battery case protective device as claimed in claim 1, is characterized in that, described tracheae is provided with Non-return air valve.
5. battery case protective device as claimed in claim 1, is characterized in that, described fluid reservoir upper end is provided with inlet, and described inlet is provided with seal valve.
6. battery case protective device as claimed in claim 1, is characterized in that, described fluid reservoir lower end is provided with floss hole at residual night, and described residual night, floss hole was provided with control valve.
7. battery case protective device as claimed in claim 1, is characterized in that, described controller is provided with the instant fire extinguishment button.
8. battery case protective device as claimed in claim 1, is characterized in that, described battery case is provided with a plurality of.
9. battery case protective device as claimed in claim 1, is characterized in that, in described fluid reservoir, extinguishing chemical/extinguishing fluid is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220736881XU CN202997000U (en) | 2012-12-28 | 2012-12-28 | Protective device for battery box of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220736881XU CN202997000U (en) | 2012-12-28 | 2012-12-28 | Protective device for battery box of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997000U true CN202997000U (en) | 2013-06-12 |
Family
ID=48568133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220736881XU Expired - Fee Related CN202997000U (en) | 2012-12-28 | 2012-12-28 | Protective device for battery box of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609888A (en) * | 2016-02-26 | 2016-05-25 | 田甜 | Explosion-proof and flame-retardant structure of battery system |
| CN107623147A (en) * | 2017-09-26 | 2018-01-23 | 深圳市曼晶创业投资咨询企业（有限合伙） | The self-extinguishing of power cells for new energy vehicles bag and the device and its application method of emergent cooling |
-
2012
- 2012-12-28 CN CN201220736881XU patent/CN202997000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609888A (en) * | 2016-02-26 | 2016-05-25 | 田甜 | Explosion-proof and flame-retardant structure of battery system |
| CN107623147A (en) * | 2017-09-26 | 2018-01-23 | 深圳市曼晶创业投资咨询企业（有限合伙） | The self-extinguishing of power cells for new energy vehicles bag and the device and its application method of emergent cooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |