CN205564903U - Fire protection system of battery box - Google Patents
Fire protection system of battery box Download PDFInfo
- Publication number
- CN205564903U CN205564903U CN201520905716.6U CN201520905716U CN205564903U CN 205564903 U CN205564903 U CN 205564903U CN 201520905716 U CN201520905716 U CN 201520905716U CN 205564903 U CN205564903 U CN 205564903U
- Authority
- CN
- China
- Prior art keywords
- battery case
- pipeline
- valve
- air pump
- battery
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a fire protection system of battery box, this system includes by first pipeline, a plurality of battery boxs of acceping the group battery, the second pipeline, heat exchange device, the circulation system of air pump and total valve component, all be equipped with the import on the battery box, export and relief valve, the import of seting up on first pipeline and each battery box is through first lateral conduit intercommunication, second lateral conduit intercommunication is passed through in the export of seting up on second pipeline and each battery box, it is first, two pipelines still communicate respectively to air pump business turn over gas port, all be equipped with the admission valve on the first lateral conduit, all be equipped with the air outlet valve on the second lateral conduit, total valve is installed in first pipeline, heat exchange device installs in the second pipeline. Compared with the prior art, the benefit that has lies in: 1 ) closed circulation system has been establish, 2 )Prevent the interior safety problem that takes place the thermal runaway and bring of battery box, 3 )Battery box heat dissipation problem has not only been solved in the function of heat exchange circulation system, has also guaranteed group battery work under normal operating temperature.
Description
[technical field]
The utility model relates to technical field of new energy, refers in particular to the fire prevention system of a kind of battery case.
[background technology]
New-energy automobile provides energy with electrokinetic cell, but due to the voltage of single electrokinetic cell, capacity
The most limited, therefore, new-energy automobile all can use numerous cell to form battery by series-parallel mode
Group provides power capacity, and these battery pack typically can be positioned in several battery cases.
As can be seen here, battery case is one of core component of new-energy automobile, and it would generally consider when design
Techniques below problem: 1) how to solve the safety problem that thermal runaway causes；2) how to solve water proof and dust proof to ask
Topic；3), during battery failures, the heat that battery pack produces is discharged the most in time；4) how to ensure in battery case
Cell set at a temperature of work.
But, the battery case of existing design often can only solve said one or multiple technical problem, can not
Solve all technical problems, and generally when solving one of them technical problem above-mentioned, other skills can be caused
The appearance again of art problem.Such as, in order to solve the heat dissipation problem of battery pack, it will usually arrange on casing
Some openings are to ensure battery case inner air and outer air direct circulation, but this kind of battery case cannot realize dustproof and waterproof
Function；The most such as, the battery case of existing design is in order to ensure that cell in battery case is at design temperature
Lower work, it will usually add fever tablet in the casing that outdoor temperature is too low, but this kind of design can take battery
Substantial amounts of space in case, causes the installable cell of casing to reduce, and the heat that fever tablet produces is
Each cell is arrived by the way of radiation, therefore, too high near the cell temperature of fever tablet,
Temperature away from the cell of fever tablet is too low, cell excessive temperature differentials in casing, ultimately results in monomer
Cell decay is inconsistent, affects the service life of cell.
In view of above drawback, it is necessary that the fire prevention system providing a kind of battery case is to overcome prior art not in fact
Foot.
[utility model content]
The purpose of this utility model is to provide preventing of a kind of battery case to solve above-mentioned the deficiencies in the prior art
Fire system.
To achieve these goals, the utility model provides the fire prevention system of a kind of battery case, it include by
First pipeline, the first lateral, some contain the battery case of battery pack, the second lateral, second
The circulatory system that pipeline, air pump are connected in sequence, wherein, the two ends of described first lateral connect respectively
Being connected to the import of the first pipeline and battery case, the two ends of described second lateral are respectively connecting to second pipe
With the outlet of battery case, on first pipeline or second pipe of air pump, it is being communicated with protective gas input
Device.
As a kind of improvement of the fire prevention system of the utility model battery case, described protective gas input unit
Including being equiped with inert gas or the high-pressure cylinder of non-combustion-supporting gas, be communicated to the 3rd pipeline of the first pipeline with
And it is installed in the control valve of high-pressure cylinder outlet.
As a kind of improvement of the fire prevention system of the utility model battery case, each battery case is equipped with safety
Valve, described first lateral is equipped with intake valve, described second lateral is equipped with air outlet valve,
It is also equipped with total valve, at second pipe between distance air pump is nearest on the first pipeline intake valve and air pump
It is also equipped with heat-exchange device between air outlet valve and air pump that upper distance air pump is nearest.
As a kind of improvement of the fire prevention system of the utility model battery case, described into and out of air valve, total valve
And control valve is electromagnetic valve.
As a kind of improvement of the fire prevention system of the utility model battery case, described non-combustion-supporting gas is liquefaction shape
The nitrogen of state or carbon dioxide.
As a kind of improvement of the fire prevention system of the utility model battery case, the safety that described battery case is arranged
The pressure release threshold values of valve is the most adjustable.
Compared with prior art, the utility model has the advantage that: 1) establish the circulatory system of closing,
Water proof and dust proof is reliable；2) there is thermal runaway in the unlatching of protective gas input unit can effectively prevent battery case
The safety problem brought；3) running of heat exchange circulation system not only solves battery case heat dissipation problem, also
Ensure that battery pack works under normal working temperature.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of the fire prevention system of the utility model battery case；
[detailed description of the invention]
In order to make the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, below
In conjunction with the drawings and specific embodiments, the utility model is further elaborated.It should be appreciated that
Detailed description of the invention described in this specification is only used to explain the utility model, is not intended to limit
The utility model.
Refer to shown in Fig. 1, the fire prevention system 100 of a kind of battery case, if it includes by the first pipeline 10
Dry contain the battery case (A, B, C) of battery pack, second pipe 20, heat-exchange device 30, air pump 40
With the circulatory system of total valve 50 composition, wherein, each battery case is equipped with import, outlet and safety valve
(a, b, c), the import that described first pipeline 10 and each battery case (A, B, C) are offered is by first
Lateral 11 connects, and the outlet that described second pipe 20 and each battery case (A, B, C) are offered is led to
Crossing the second lateral connection 21, described first and second pipeline (10,20) is also respectively communicated to entering of air pump 40
Gas outlet, described first lateral 11 is equipped with intake valve (A1, B1, C1), described second branch
Being equipped with air outlet valve (A2, B2, C2) on pipeline, described total valve 50 is installed on the first pipeline 10,
It is between intake valve and the air pump that distance air pump is nearest, and described heat-exchange device 30 is installed on second pipe
On 20, it is between air outlet valve and the air pump that distance air pump is nearest.
Also being communicated with protective gas input unit 60 on first pipeline 10, its connectivity points is positioned at distance total valve
Between 50 nearest intake valves and total valve, described protective gas input unit 60 includes being equiped with indifferent gas
Body or the high-pressure cylinder of non-combustion-supporting gas, be communicated to the 3rd pipeline 70 of the first pipeline 10 and be installed in height
The control valve 80 of compressed steel bottle outlet, described non-combustion-supporting gas is nitrogen or the carbon dioxide of liquefaction.
The fire prevention system of the utility model battery case used into and out of air valve, total valve and control valve
Being electromagnetic valve, the control of aforementioned electromagnetic valve opening is completed by the control circuit set up.
The safety valve installed in the battery case of the fire prevention system of the utility model battery case can set different letting out
Pressure value, when battery case internal gas pressure is too high, safety-valve will automatically turn on and carry out pressure release, until battery case
Till internal gas pressure returns to setting value.
Please continue to refer to shown in Fig. 1, illustrating with non-combustion-supporting gas for nitrogen, user buys the utility model
The fire prevention system of battery case in use, follows the steps below operation:
The first step, will be full of in first pipeline the 10, first lateral 11 and battery case (A, B, C)
Nitrogen or the extremely low nitrogen of oxygen content and the mixture of air.Its concrete operations are: close total valve 50,
Close the air outlet valve (A2, B2, C2) in the exit of battery case, set battery case safety valve (a, b, c)
Pressure release threshold values (the pressure release threshold values of initial setting up is higher than threshold values during normal work), be then turned on entering of battery case
Intake valve (A1, B1, C1) at Kou, the control valve 80 1 of later on protective gas input unit
Closing control valve 80 again after the section time, finally, turn down the pressure release threshold values of safety valve (a, b, c) to normally
Threshold values during work.
During aforementioned operation, the nitrogen of the liquefaction that the high-pressure cylinder of protective gas input unit is built-in
Gas will quickly enter in battery case (A, B, C).After being filled with nitrogen in battery case, just make battery case
Interior air pressure substantially becomes big, is turned down due to the pressure release threshold values of the safety valve (a, b, c) of battery case again,
Therefore, the nitrogen being filled with and the mixture of original air in battery case are just from the safety valve (a, b, c) of battery case
Middle leakage, until the air pressure of gas reaches threshold values when normally working in battery case.So through several circulations
Gas in battery case can be replaced by nitrogen or the extremely low nitrogen of oxygen content and the mixture of air, battery case
Gas after interior replacing is used as heat-exchange gas during the most normal use.
Second step, sets operating temperature, opens heat exchange circulation system.Its concrete operations are: close protection
The control valve 80 of property gas input device, continue to be held open the import department of battery case intake valve (A1,
B1, C1), and open the air outlet valve (A2, B2, C2) in the exit of total valve 50 and battery case, then open
Take offence pump 40, thus make the gas shuttling movement in the first pipeline 10, battery case and second pipe 20 rise
Come, and ensure that the gas of circulation is at predetermined temperature, aforesaid heat exchange circulation system by heat-exchange device
Including adding/heat sink, in each battery case, it is additionally provided with temperature detect switch (TDS).
3rd step, when the battery pack in battery case does not works, closes closed loop system, and its concrete operations are:
Continue to keep the control valve 80 of protective gas input unit to close, close total valve 50, close battery case
Exit air outlet valve (A2, B2, C2) and close air pump 40.
When the fire prevention system of the utility model battery case is in use in an emergency, such as, battery
Casing internal cause battery short circuit or after suffering a car accident shock, its temperature drastically raises, now, this system can be rapidly
Closedown air pump, and close air outlet valve (A2, B2, C2) and the total valve 50 in the exit of battery case, simultaneously
Open the control valve 80 of protective gas input unit, in the steel cylinder of such protective gas input unit
The nitrogen of liquefaction will be filled with in Battery case in time, absorbs rapidly battery case while nitrogen gasifies
The heat of interior excess, concurrently, the excessive gas of pressure in battery case will be let out from battery case safety valve
Expose the safety guaranteeing battery case, thus can effectively prevent the fire that battery case causes because of thermal runaway
Calamity.
The fire prevention system of a kind of battery case of the utility model, is not restricted to institute in specification and embodiment
Describe, for the personnel of familiar field, be therefore easily achieved additional advantage and amendment, therefore not
Deviate from claim and in the case of the spirit and scope of universal that equivalency range is limited, this practicality is new
Type be not limited to specific details, representational equipment and shown here as with describe examples shown.
Claims (6)
1. the fire prevention system of a battery case; it is characterized in that: include by the first pipeline, the first lateral, some contain the battery case of battery pack, the circulatory system that the second lateral, second pipe, air pump are connected in sequence; wherein; the two ends of described first lateral are respectively connecting to the import of the first pipeline and battery case; the two ends of described second lateral are respectively connecting to the outlet of second pipe and battery case, are being communicated with protective gas input unit on first pipeline or second pipe of air pump.
2. the fire prevention system of battery case as claimed in claim 1; it is characterized in that: described protective gas input unit includes being equiped with inert gas or the high-pressure cylinder of non-combustion-supporting gas, be communicated to the 3rd pipeline of the first pipeline and be installed in the control valve of high-pressure cylinder outlet.
3. the fire prevention system of battery case as claimed in claim 2, it is characterized in that: on each battery case, be equipped with safety valve, it is equipped with intake valve on described first lateral, it is equipped with air outlet valve on described second lateral, it is also equipped with total valve between distance air pump is nearest on the first pipeline intake valve and air pump, between distance air pump is nearest on second pipe air outlet valve and air pump, is also equipped with heat-exchange device.
4. the fire prevention system of battery case as claimed in claim 3, it is characterised in that: described into and out of air valve, total valve and control valve and be electromagnetic valve.
5. the fire prevention system of battery case as claimed in claim 4, it is characterised in that: described non-combustion-supporting gas is nitrogen or the carbon dioxide of liquefaction.
6. the fire prevention system of the battery case as described in claim 1 to 5 is arbitrary, it is characterised in that: the pressure release threshold values of the safety valve arranged on described battery case is the most adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520905716.6U CN205564903U (en) | 2015-11-15 | 2015-11-15 | Fire protection system of battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520905716.6U CN205564903U (en) | 2015-11-15 | 2015-11-15 | Fire protection system of battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564903U true CN205564903U (en) | 2016-09-07 |
Family
ID=56822201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520905716.6U Active CN205564903U (en) | 2015-11-15 | 2015-11-15 | Fire protection system of battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205564903U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420332A (en) * | 2020-04-10 | 2020-07-17 | 王卫辉 | Fire fighting equipment and fire fighting equipment control method |
| CN111942216A (en) * | 2019-04-29 | 2020-11-17 | 广州汽车集团股份有限公司 | Battery thermal runaway monitoring method, device and system and vehicle |
| WO2022016765A1 (en) * | 2020-07-23 | 2022-01-27 | 中国矿业大学 | Fire prevention and control system for lithium ion battery prefabricated container and control method therefor |
| US11833377B2 (en) | 2019-11-27 | 2023-12-05 | Saft America | Fire suppression system for battery modules |
-
2015
- 2015-11-15 CN CN201520905716.6U patent/CN205564903U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942216A (en) * | 2019-04-29 | 2020-11-17 | 广州汽车集团股份有限公司 | Battery thermal runaway monitoring method, device and system and vehicle |
| US11833377B2 (en) | 2019-11-27 | 2023-12-05 | Saft America | Fire suppression system for battery modules |
| CN111420332A (en) * | 2020-04-10 | 2020-07-17 | 王卫辉 | Fire fighting equipment and fire fighting equipment control method |
| WO2022016765A1 (en) * | 2020-07-23 | 2022-01-27 | 中国矿业大学 | Fire prevention and control system for lithium ion battery prefabricated container and control method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205564903U (en) | Fire protection system of battery box | |
| CN205488418U (en) | Control by temperature change circulation system of battery box | |
| CN202948738U (en) | Kinetic and non-kinetic combined waste heat discharging system | |
| CN106328223B (en) | A kind of novel passive containment energy management system | |
| CN104466276A (en) | Lithium battery protection device and method | |
| CN205881993U (en) | Protection system that independently circulates of battery box | |
| CN205543144U (en) | Battery box air conditioning system | |
| CN207398214U (en) | A kind of battery pack body structure of liquid-leakage preventing | |
| CN203258943U (en) | Liquid circulating temperature lowering device for fire-fighting robot | |
| CN106711536A (en) | Battery box air-conditioning system and application method thereof | |
| CN207128659U (en) | A kind of safe charging cabin for being equipped with flash absorber | |
| CN202948737U (en) | Passive residual heat removal system directly connected with main loop | |
| CN204010703U (en) | A kind of containment sump water cooling system of active, non-active combination | |
| CN104110506B (en) | Full-automatic quickly flashboard type avoiding device | |
| CN207759955U (en) | A kind of boring winch disc brake novel hydraulic system | |
| CN203783648U (en) | Device for discharging hydrogen safely under emergency condition | |
| CN203746436U (en) | Cooling water system of spent fuel water tank device | |
| CN203941961U (en) | Explosion-protection equipment on a kind of power box | |
| CN203949420U (en) | Ammonia refrigeration pipe safety interlocking protective device under a kind of closed environment | |
| CN111462930A (en) | Device for underwater rapid isolation | |
| CN202260980U (en) | Closed circulation water cooling system of an explosion-proof frequency converter applied in coal industry | |
| CN206919735U (en) | Integrated form micro-channel heat exchanger | |
| CN207349553U (en) | One kind automatically shuts down hydraulic butterfly valve | |
| CN106122552B (en) | Passive quick automatic cut-off valve | |
| CN201840746U (en) | Absorber bypass device and anaesthesia machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20160907 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20160907 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210428 Granted publication date: 20160907 |
|
| PP01 | Preservation of patent right |