CN205863240U - The preventer of lithium battery group - Google Patents
The preventer of lithium battery group Download PDFInfo
- Publication number
- CN205863240U CN205863240U CN201620276185.3U CN201620276185U CN205863240U CN 205863240 U CN205863240 U CN 205863240U CN 201620276185 U CN201620276185 U CN 201620276185U CN 205863240 U CN205863240 U CN 205863240U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- battery group
- lower casing
- preventer
- coolant
- 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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Abstract
The utility model discloses the preventer of a kind of lithium battery group, including: lower casing, it is internally provided with storage chamber, is used for depositing lithium battery group and coolant；Upper cover, it is connected by securing member with lower casing；Cooling pipe, it attaches to the outside of lower casing, is used for inputting or exporting coolant；Circulating pump, its one end is connected with the storage box being used for storing coolant, and the other end is connected with described cooling pipe, for overcoming the coolant input pressure drop with outfan with by coolant circulation cooling；Relief valve, it is arranged at and covers, and when the pressure within described lower casing reaches the threshold of relief valve, relief valve can be automatically releasable the gas in storage chamber.The beneficial effects of the utility model are: avoid and cause the problem scrapped of whole lithium battery group because of the inefficacy of single single lithium battery, simultaneously because the coolant moment contacts with lithium battery group, make lithium battery group leader be in the time at suitable temperature to work, improve the safety and reliability of lithium battery group.
Description
Technical field
This utility model relates to field of batteries, is specifically related to the preventer of a kind of lithium battery group.
Background technology
In recent years, along with portable electricity consuming products, small household appliance, electric tool, electronic traffic work
Tools etc. are rapidly universal, lithium battery owing to capacity is high, have extended cycle life, memory-less effect, certainly put
Rate is low and the advantage such as environmental protection for electricity, and becoming many needs the electronics of chargeable battery, electrically produces
The power resources of product.
In actual use, it usually needs many lithium battery serial or parallel connections use.When multiple lists
When body lithium battery is used in series, owing to the performance of each single lithium battery is difficult to accomplish completely the same,
The worst battery of performance often becomes the bottleneck of whole group of power supply.And due to " short-board effect ", performance
Worst battery is generally full of early than other batteries, is also vented early than other batteries, repeatedly
Among charge and discharge cycles, this gap can gradually expand, and ultimately causes the bad of whole Battery pack performance
Change.When especially using in powerful product, when wherein event occurs in certain single lithium battery
May result in temperature after barrier drastically to raise, so that periphery battery is brought rapidly up and burns whole
Individual set of cells, even can cause the serious accident such as fire, blast to occur.
Therefore, the safety and reliability of lithium battery group how is improved, it is to avoid because of single monomer lithium
The inefficacy of battery and cause scrapping of whole lithium battery group to become lithium battery problem demanding prompt solution.
Utility model content
For defect or deficiency present in background technology, it is desirable to provide the anti-of a kind of lithium battery group
Protection unit, it can improve the safety and reliability of lithium battery group, it is to avoid because of single monomer lithium
The inefficacy of battery and cause scrapping of whole lithium battery group, thus the entirety improving lithium battery group makes
Use the life-span.
Specifically, this utility model provides the preventer of a kind of lithium battery group, including: under
Shell, it is internally provided with storage chamber, is used for depositing lithium battery group and coolant；Upper cover, its with
Described lower casing is connected by securing member；Cooling pipe, it attaches to the outside of described lower casing,
For inputting or exporting coolant；Circulating pump, its one end and the storage box for storing coolant
Connecting, the other end is connected with described cooling pipe, is used for overcoming coolant input and output
The pressure drop of end is with by coolant circulation cooling；Relief valve, it is arranged on described and covers, when
When pressure within described lower casing reaches the threshold of described relief valve, described relief valve can be released automatically
Put the gas in the storage chamber within described lower casing；When normally working, coolant is full of described
The storage whole memory space in chamber of lower casing is also coated on around lithium battery group, when lithium battery group
The temperature of single or certain several single lithium battery more than presetting threshold in the case of, described storage
Case carries out cold and hot exchange to the coolant in storage chamber and/or cooling line rapidly by circulating pump, from
And quickly absorb the heat of lithium battery release, and it is automatically adjusted storage intracavity by relief valve
The size of pressure, prevents preventer from burning or blast occurring, improves the safety of lithium battery group
And reliability.
Further, described preventer also includes controlling device, and it is by being arranged on described
Interface outside lid is connected with described preventer, for monitoring the temperature of lithium battery group, and controls
Make being turned on and off of described circulating pump.
Further, it is respectively arranged with temperature near each single lithium battery of described lithium battery group
Sensor, and by described temperature sensor, the temperature information of lithium battery is sent to institute in time
State control device.
Preferably, described preventer also includes heat abstractor, its be arranged at described lower casing and/
Or the outer periphery of cooling pipe, it is simple to by the coolant in described lower casing and/or cooling pipe
Heat is dispersed in outside air in time.
Alternatively, described heat abstractor is arranged on the outer periphery of lower casing, and becomes with lower casing one
The a plurality of fin of type.
Alternatively, described heat abstractor is radiator, is arranged on the outer periphery of cooling pipe.
Alternatively, the quantity of described relief valve can be more than or equal to 1, and along described upper cover
The uniform setting of length direction.
Alternatively, between described lower casing and described upper cover, it is provided with sealing member, to prevent coolant
Overflow from the storage intracavity of described lower casing.
Alternatively, when certain single lithium battery in described lithium battery group is damaged, described control
Device can be sounded a buzzer, and reminds user to change battery.
Alternatively, outside described lower casing, it is provided with display screen, described control device monitoring can be arrived
Information be shown at described display screen.
The beneficial effects of the utility model are: avoid and draw because of the inefficacy of single single lithium battery
Play the problem scrapped of whole lithium battery group, simultaneously because the coolant moment contacts with lithium battery group,
Make lithium battery group leader be in the time at suitable temperature to work, thus relatively extend lithium battery
In the service life of group, improve the safety and reliability of lithium battery group.
Accompanying drawing explanation
By reading retouching in detail with reference to made non-limiting example is made of the following drawings
Stating, other features, purpose and advantage will become more apparent upon:
Fig. 1 is showing of the preventer of the lithium battery group according to an embodiment of the present utility model
It is intended to.
In accompanying drawing, the list of parts representated by each label is as follows:
1: lower casing
2: upper cover
3: cooling pipe
4: circulating pump
5: relief valve
6: heat abstractor
7: control device interface.
8: storage box
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is appreciated that
, specific embodiment described herein is used only for explaining relevant utility model, rather than right
The restriction of this utility model.It also should be noted that, for the ease of describing, in accompanying drawing only
Show the part relevant to utility model.
It should be noted that in the case of not conflicting, the embodiment in the application and embodiment
In feature can be mutually combined.Describe this below with reference to the accompanying drawings and in conjunction with the embodiments in detail
Application.
With reference to Fig. 1, embodiment of the present utility model provides the preventer of a kind of lithium battery group,
This preventer includes: lower casing 1, and it is internally provided with storage chamber, is used for depositing lithium battery group
And coolant；Upper cover 2, it is connected by securing member with lower casing 1；Cooling pipe 3, it is attached
It is connected to the outside of lower casing 1, is used for inputting or exporting coolant；Circulating pump 4, its one end and use
In storage coolant storage box 8 connect, the other end is connected with cooling pipe 3, be used for gram
Take the coolant input pressure drop with outfan to be recycled by coolant；Relief valve 5,
Can automatically turn on or close, it is arranged on upper cover 2, when the pressure within lower casing 1 reaches
During the threshold of relief valve 5, relief valve 5 can be automatically releasable the gas in the storage chamber within lower casing 1
Body.
In this utility model, coolant has fire resistance, can include but not limited to cooling
Oil, liquid nitrogen, high-pressure inert gas etc., in the present embodiment as a example by cooling oil, cooling oil has certainly
Dynamic thermal balance function, when normally using, lithium battery group is fixed in the manner that is well-known in the art
In storage intracavity portion, cooling oil is full of lower casing 1 by the cooling pipe 3 being connected with circulating pump
The storage whole memory space in chamber and be coated on around lithium battery group.So, during cooling oil
Carve and contact with lithium battery group, and by the heat abstractor 6 outside lower casing 1 by the heat of lithium battery group
Amount is dispersed in outside air in time, makes lithium battery group leader be in the time at suitable temperature and works,
Thus relatively extend the service life of lithium battery group.
Further, also including controlling device in embodiment of the present utility model, it is by arranging
Control device interface outside upper cover 2 is connected with preventer, for controlling lithium battery group
Temperature, and control being turned on and off of storage box 8.It is provided with temperature near each single lithium battery
Degree sensor, can be sent to the temperature of each single lithium battery control device in time.Optional
Ground, is provided with display screen outside lower casing 1, can the information that monitor be shown at this display screen.
Further, when controlling the device monitoring temperature to certain or certain several single lithium battery
When raising the threshold reaching temperature sensor, circulating pump 4 can be started at once, by circulating pump 4
And cooling oil colder in storage box 8 is delivered to depositing of lower casing 1 by the input of cooling pipe 3
In storage chamber, and by the outfan of cooling pipe 3, overheated cooling oil output is restored storage tank 8
In, by this most cold and hot exchange of circulating pump, can quickly absorb lithium battery release
Heat, makes the bulk temperature of lithium battery group drop to rapidly below threshold, it is to avoid other is functional
Single lithium battery there is chain damage because of unexpected high temperature, affect making of whole group of lithium battery
Use the life-span.
Meanwhile, when controlling the device monitoring rising to the temperature of certain or certain several single lithium battery
When causing the threshold that the cooling oil pressure storing intracavity increases to by force relief valve 5, although or not having
Reach the threshold of temperature sensor, but due to the rising of this temperature can cause cooling pipe and/or under
Cooling oil in the storage chamber of shell 1 expands, thus causes cooling pipe and/or the storage of lower casing 1
The pressure cooling down oil in chamber increases, when controlling device monitoring depositing to cooling pipe and/or lower casing 1
When cooling down the threshold that oily pressure reaches relief valve 5 in storage chamber, relief valve 5 can be automatically releasable down
Gas in the storage chamber of shell 1, thus reduce in the storage chamber of cooling pipe and/or lower casing 1 cold
But the pressure of oil, it is to avoid cause depositing of cooling pipe and/or lower casing 1 because cooling oil pressure is the most excessive
Storage chamber explodes, and improves the safety and reliability during preventer use of lithium battery.
Further, also including heat abstractor 6 in embodiment of the present utility model, it is arranged at
Lower casing 1 and/or the outer periphery of cooling pipe 3, it is simple to by lower casing 1 and/or cooling pipe 3
The heat of coolant of storage intracavity be dispersed in time in outside air.
Alternatively, the quantity of relief valve 5 can be more than or equal to 1, along the length side of upper cover 2
To uniform setting.
Preferably, between lower casing 1 and upper cover 2, be provided with sealing member, with prevent cooling oil under
The storage intracavity of shell 1 overflows.
After the bulk temperature of lithium battery group drops to normal condition, if there being lithium battery to damage, control
Device processed can be sounded a buzzer, and reminds user to change battery.Now can be by upper cover 2, close
Sealing removes from lower casing 1, takes out the lithium battery damaged, is replaced by new lithium battery,
After again upper cover being assembled, this lithium battery group can be continuing with, improve making of lithium battery group
Use the life-span.
Alternatively, lower casing 1 is made up of aluminum alloy materials, lighter weight, also compares beneficially simultaneously
Heat radiation.
Alternatively, the heat abstractor that the outer periphery of lower casing 1 is arranged can be and lower casing 1 one
The a plurality of fin of molding, it is also possible to for single radiator, the lithium of the storage intracavity of lower casing 1
The heat of set of cells is dispersed in outside air in time, improves the use of whole group of lithium battery further
Life-span.
Alternatively, the surrounding of cooling pipe 3 can also be provided with heat abstractor, such as fin
And/or radiator, quantity is depending on the length of cooling pipe.
In embodiment of the present utility model, when normally using, the cooling oil in storage box passes through
The cooling pipe 3 being connected with circulating pump is full of the whole memory space in the storage chamber of lower casing 1 also
It is coated on around lithium battery group.So, the cooling oil moment contacts with lithium battery group, and passes through
Fin outside lower casing and outside air heat-shift, make lithium battery group leader be in properly the time
At a temperature of work, thus relatively extend the service life of lithium battery group.When lithium battery group
The temperature of single or certain several single lithium battery more than presetting threshold in the case of, start circulation
Pump carries out cold and hot exchange to the coolant in storage chamber and/or cooling line rapidly, can quickly absorb
The heat of lithium battery release, and the size of the pressure of storage intracavity it is automatically adjusted by relief valve,
Prevent preventer from burning or blast occurring, improve the safety and reliability of lithium battery group.
It addition, for the lithium battery group of smaller power, its preventer is less portable of size
Formula structure, it may not be necessary to storage box, circulating pump and cooling pipe, the heat radiation dress outside lower casing
Putting can be a plurality of fin integrated with lower casing, and the storage intracavity of lower casing is pre-filled with
Coolant, when normally using, cooling oil is full of the whole memory space in the storage chamber of lower casing also
It is coated on around lithium battery group.So, the cooling oil moment contacts with lithium battery group, and passes through
Fin outside lower casing and outside air heat-shift, make lithium battery group leader be in properly the time
At a temperature of work, thus relatively extend the service life of lithium battery group.When controlling device
The rising of the temperature monitoring certain or certain several single lithium battery reaches the threshold of temperature sensor
Time, mainly utilize the fin of lower casing and relief valve to lower the temperature rapidly, simultaneously reduce storage intracavity because of
The pressure of the increase that temperature raises and causes.
This utility model solves and avoids because of single monomer lithium as can be seen from the above description
The inefficacy of battery and cause the problem scrapped of whole lithium battery group, simultaneously because the coolant moment
Contact with lithium battery group, make lithium battery group leader be in the time at suitable temperature and work, thus phase
Extend the service life of lithium battery group over the ground, improve the safety and reliability of lithium battery group.
Above description is only the preferred embodiment of the application and saying institute's application technology principle
Bright.It will be appreciated by those skilled in the art that utility model scope involved in the application, and
It is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain not simultaneously
In the case of departing from the design of described utility model, above-mentioned technical characteristic or its equivalent feature carry out
Combination in any and other technical scheme of being formed.Such as, public with the application for features described above
The (but not limited to) opened has the technical characteristic of similar functions and replaces mutually and the technology that formed
Scheme.
Claims (10)
1. the preventer of a lithium battery group, it is characterised in that described preventer includes:
Lower casing, it is internally provided with storage chamber, is used for depositing lithium battery group and coolant；
Upper cover, it is connected by securing member with described lower casing；
Cooling pipe, it attaches to the outside of described lower casing, is used for inputting or exporting coolant；
Circulating pump, its one end is connected with the storage box being used for storing coolant, and the other end is with described
Cooling pipe is connected, for overcoming the coolant input pressure drop with outfan cooling down
Agent circulation cooling；And
Relief valve, it is arranged on described and covers, when the pressure within described lower casing reaches described
During the threshold of relief valve, described relief valve can be automatically releasable in the storage chamber within described lower casing
Gas；
Wherein, when normally working, coolant is full of the whole storage in the storage chamber of described lower casing
Space is also coated on around lithium battery group, when the single of lithium battery group or certain several monomer lithium electricity
In the case of the temperature in pond is more than presetting threshold, described storage box passes through circulating pump rapidly to storage
The coolant of chamber and/or cooling line carries out cold and hot exchange, thus quickly absorbs lithium battery release
Heat, and the size of the pressure of storage intracavity it is automatically adjusted by relief valve, prevent protection dress
Put generation burning or blast, improve the safety and reliability of lithium battery group.
The preventer of lithium battery group the most according to claim 1, it is characterised in that institute
Stating preventer also to include controlling device, it is by being arranged at the interface outside described upper cover and institute
State preventer to connect, for monitoring the temperature of lithium battery group, and control opening of described circulating pump
Open or close.
The preventer of lithium battery group the most according to claim 2, it is characterised in that institute
State and near each single lithium battery of lithium battery group, be respectively arranged with temperature sensor, and pass through institute
State temperature sensor and the temperature information of lithium battery is sent in time described control device.
4., according to the preventer of the lithium battery group according to any one of claim 1-3, it is special
Levying and be, described preventer also includes heat abstractor, and it is arranged at described lower casing and/or cooling
The outer periphery of pipeline, it is simple to by the heat of the coolant in described lower casing and/or cooling pipe and
Time be dispersed in outside air.
The preventer of lithium battery group the most according to claim 4, it is characterised in that institute
State heat abstractor and be arranged on the outer periphery of lower casing, and a plurality of fin integrated with lower casing.
The preventer of lithium battery group the most according to claim 4, it is characterised in that institute
Stating heat abstractor is radiator, is arranged on the outer periphery of cooling pipe.
7., according to the preventer of the lithium battery group according to any one of claim 1-3, it is special
Levying and be, the quantity of described relief valve can be more than or equal to 1, and along the length of described upper cover
The uniform setting in direction.
8., according to the preventer of the lithium battery group according to any one of claim 1-3, it is special
Levy and be, between described lower casing and described upper cover, be provided with sealing member, to prevent coolant from institute
The storage intracavity stating lower casing overflows.
9., according to the preventer of the lithium battery group according to any one of claim 1-3, it is special
Levy and be, when certain single lithium battery in described lithium battery group is damaged, described control device
Can sound a buzzer, remind user to change battery.
10. according to the preventer of the lithium battery group according to any one of claim 1-3, its
It is characterised by, outside described lower casing, is provided with display screen, can be by the letter of described control device monitoring
Breath is shown at described display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620276185.3U CN205863240U (en) | 2016-04-01 | 2016-04-01 | The preventer of lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620276185.3U CN205863240U (en) | 2016-04-01 | 2016-04-01 | The preventer of lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863240U true CN205863240U (en) | 2017-01-04 |
Family
ID=57642491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620276185.3U Expired - Fee Related CN205863240U (en) | 2016-04-01 | 2016-04-01 | The preventer of lithium battery group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863240U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181021A (en) * | 2017-07-06 | 2017-09-19 | 谢路遥 | The heat abstractor of accumulator of electric car |
| CN108682758A (en) * | 2018-06-11 | 2018-10-19 | 四会市恒星智能科技有限公司 | A kind of method that duration reduces temperature rise in accumulator use |
| CN110101993A (en) * | 2019-05-06 | 2019-08-09 | 应急管理部天津消防研究所 | A kind of fire preventing control method of lithium ion battery energy storage cabinet |
| CN111509332A (en) * | 2019-05-07 | 2020-08-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN113745749A (en) * | 2021-09-06 | 2021-12-03 | 中国民用航空飞行学院 | Explosion-proof explosion-suppression lithium ion power battery system and control method thereof |
| CN113764755A (en) * | 2021-08-03 | 2021-12-07 | 苏州热工研究院有限公司 | Forced circulation cooling heat dissipation device of energy storage lithium battery pack and installation control method thereof |
-
2016
- 2016-04-01 CN CN201620276185.3U patent/CN205863240U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181021A (en) * | 2017-07-06 | 2017-09-19 | 谢路遥 | The heat abstractor of accumulator of electric car |
| CN108682758A (en) * | 2018-06-11 | 2018-10-19 | 四会市恒星智能科技有限公司 | A kind of method that duration reduces temperature rise in accumulator use |
| CN108682758B (en) * | 2018-06-11 | 2021-11-26 | 浙江科技学院 | Method for continuously reducing temperature rise of storage battery in use |
| CN110101993A (en) * | 2019-05-06 | 2019-08-09 | 应急管理部天津消防研究所 | A kind of fire preventing control method of lithium ion battery energy storage cabinet |
| CN110101993B (en) * | 2019-05-06 | 2021-05-14 | 应急管理部天津消防研究所 | Fire prevention and control method for lithium ion battery energy storage cabinet |
| CN111509332A (en) * | 2019-05-07 | 2020-08-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN111509332B (en) * | 2019-05-07 | 2021-08-24 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN113764755A (en) * | 2021-08-03 | 2021-12-07 | 苏州热工研究院有限公司 | Forced circulation cooling heat dissipation device of energy storage lithium battery pack and installation control method thereof |
| CN113764755B (en) * | 2021-08-03 | 2023-10-24 | 苏州热工研究院有限公司 | Forced circulation cooling and radiating device of energy storage lithium battery pack and installation control method thereof |
| CN113745749A (en) * | 2021-09-06 | 2021-12-03 | 中国民用航空飞行学院 | Explosion-proof explosion-suppression lithium ion power battery system and control method thereof |
| CN113745749B (en) * | 2021-09-06 | 2022-05-20 | 中国民用航空飞行学院 | Explosion-proof explosion-suppression lithium ion power battery system and control method thereof |
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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: 20161222 Address after: 100000 Beijing city Fangshan District town of Qinglong Guo Ge Zhuang five District No. 38 Patentee after: Beijing Zhongyou Weihao Technology & Development Co., Ltd. Address before: The port business park in Binhai New Area of Tianjin city in 300457 Building No. 2 Patentee before: Tianjin Donghai Wanfeng Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20210401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |