CN206907799U - Lithium battery safety box - Google Patents
Lithium battery safety box Download PDFInfo
- Publication number
- CN206907799U CN206907799U CN201720841942.1U CN201720841942U CN206907799U CN 206907799 U CN206907799 U CN 206907799U CN 201720841942 U CN201720841942 U CN 201720841942U CN 206907799 U CN206907799 U CN 206907799U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- lid
- lithium battery
- temperature inductor
- electrode tip
- 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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Classifications
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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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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a kind of lithium battery safety box, including：Battery pack, wire, air bag, temperature inductor, casing, lid and electrode tip；Temperature inductor is connected by wire with battery pack, and air bag is provided with magnetic valve built with compression fire-retardant gas, air bag；Temperature inductor connects with magnetic valve, and lid, which is used to be arranged on casing, forms confined space, and battery pack, air bag, temperature inductor and magnetic valve are sealed in into box house；Lid is provided with through hole and copper sheet, and copper sheet is arranged on the inside of lid, extends from edge to centre；Electrode tip includes conductive pole and insulator foot, and conductive pole is through insulator foot and is secured to connect；In electrode tip insertion through hole, it is fixedly connected by frictional force；Conductive column bottom and copper sheet contact；Copper sheet is connected with battery pack by wire.Realize to the fire-retardant of lithium battery and automatically power off, endangered caused by avoiding lithium battery burning, improve the safety in utilization of lithium battery.
Description
Technical field
Cell art is the utility model is related to, particularly a kind of lithium battery safety box.
Background technology
Because lithium battery uses flammable organic electrolyte solution and active lithium metal to be made, the energy density of battery
Height, certain deficiency in terms of security be present.Due to energy conversion occurs when battery works, portion of energy is necessarily had with heat
The form effusion of energy, makes battery-heating.If in thermal shock, overcharge, cross put and the improper use such as short circuit in the state of, battery
It will be reacted between the component such as internal active material and electrolyte and produce substantial amounts of heat in a short time, accumulation is to a certain extent
Cells burst will be caused to explode, trigger security incident.
Utility model content
The utility model is for overcome the deficiencies in the prior art, there is provided a kind of lithium battery safety box.
To achieve these goals, the utility model provides a kind of lithium battery safety box, including：Battery pack, wire, gas
Capsule, temperature inductor, casing, lid and electrode tip；The temperature inductor is connected by wire with battery pack, passes through battery pack
Powered to temperature inductor；The air bag is provided with magnetic valve built with compression fire-retardant gas, air bag；The temperature inductor and
Magnetic valve connects, and for temperature sensor information and controls the switch of magnetic valve；The lid is close for being formed on casing
Space is closed, battery pack, air bag, temperature inductor and magnetic valve are sealed in box house；The lid be provided with through hole and
Copper sheet, the copper sheet are arranged on the inside of lid, and from through hole edge to through hole, centre extends；The electrode tip is including conductive pole and absolutely
Edge base, the conductive pole are fixedly connected through insulator foot and with insulator foot；In the electrode tip insertion through hole, by exhausted
Frictional force between edge base and lid is fixedly connected with lid, the conductive column bottom and copper sheet contact；The copper sheet and electricity
Pond group is connected by wire, for the electric energy of battery pack to be transferred into electrode tip.
Temperature inductor and battery pack are arranged in same casing, when battery pack because when overheating catching fire, temperature
Inductor can monitor temperature anomaly in time, and control magnetic valve to open, and discharge the compression fire-retardant gas in air bag.Compression resistance
Combustion gas body extrudes the air in space, oxygen content is reduced to below combustible concentration, the condition for producing burning is destroyed, battery
Group can not further burn, and realize the fire retardation to lithium battery.Casing and lid form a sealing space, because lithium
Cells burst can produce release gas, and the compression fire-retardant gas in air bag is released, along with burning makes gas expansion, sealing
Air pressure in space is very big.When the frictional force between insulator foot and lid is insufficiently resistant to the pressure of zone of pressure, electrode
Head will be flown out by starting, and the contact being disconnected between conductive pole and copper sheet, be disconnected the operating loop of lithium battery, avoid
Continuing to be powered causes battery pack persistent fever to produce bigger harm.
In the embodiment of the utility model one, the electrode tip also includes rubber ring, and the insulator foot lateral wall is provided with
Annular groove, the rubber ring are arranged in annular groove, for increasing the sealing between insulator foot and lid.
In order to avoid being escaped in the air in casing in gap, cause insufficient pressure so that electrode tip to be thrown disconnecting circuit,
One rubber ring is set in the junction of insulator foot and lid, the sealing between insulator foot and lid is increased by rubber ring
Property, ensure that can eject electrode tip the power-off for realizing cell circuit during lithium battery catching fire.
In the embodiment of the utility model one, the lid also includes dividing plate, and the dividing plate is provided with check valve.
Dividing plate and check valve be set on lid, and the gas in casing can be escaped outwards, avoid box house pressure mistake
Cause to explode greatly；Pouring in down a chimney for extraneous air is avoided simultaneously, box house is full of by fire-retardant gas, battery pack can not touch
Oxygen, Combustion Energy are suppressed quickly.
In the embodiment of the utility model one, in addition to communication module, the communication module connect with battery pack, pass through electricity
Pond group provides the energy of operation；The communication module is connected by wire with temperature inductor, for sending temperature inductor
The temperature data monitored.
Occur in battery after pyrophoricity accident occurs, it is necessary to which degree and reason of fire are damaged in overhaul, it is likely that flame
Do not extinguish completely also or because internal air temperature is higher, easily to artificial into follow-up injury.Add in lithium battery safety box
A communication module connected with temperature inductor is filled, the temperature data of box house can be received immediately, simplicity is intuitively
Identification appears in casing safe condition, is easy to follow-up dismounting operation.
In the embodiment of the utility model one, support column is provided with the casing, fixes, avoids for battery pack to be supported
Battery pack contacts with wall box.
When battery pack is burnt, the temperature of battery pack in itself is highest.During by support column, battery pack is fixed on
Between, it is not in contact with the sidewall edge of casing, high temperature is difficult to be delivered to outside along side wall, makes it can not be to contacting outside casing
The personnel in portion damage.
In the embodiment of the utility model one, the support column is provided with baffle plate.
The characteristics of lithium battery is due to its composition, it may be dripped with comburant during burning, dividing plate is set on the support columns,
The comburant dripped can be carried, it is not fallen in side wall-burning, high temperature is delivered on the outside of casing.
In the embodiment of the utility model one, the compression fire-retardant gas is compressed helium.
Although existing mostly with the state of lithium ion in lithium battery, because lithium is to plant a very active metal, lithium
Lithium compound in battery may react with carbon dioxide, therefore need to be used as using helium and prevent battery pack from further firing
The fire-retardant gas of burning.
Brief description of the drawings
Fig. 1 is the structural representation stereogram of the utility model lithium battery safety box；
Fig. 2 is the structural representation front view of the utility model lithium battery safety box.
Each reference is in figure：
11st, battery pack；12nd, wire；13rd, air bag；131st, magnetic valve；14th, temperature inductor；2nd, electrode tip；21st, it is conductive
Post；22nd, insulator foot；3rd, casing；31st, support column；311st, baffle plate；4th, lid；41st, copper sheet；42nd, dividing plate；421st, check valve；5、
Communication module.
Embodiment
It is cited below particularly preferably real for above and other objects, features and advantages of the present utility model can be become apparent
Example is applied, and coordinates accompanying drawing, is described in detail below.
Fig. 1 and 2 is refer to, the utility model provides a kind of lithium battery safety box, including：Battery pack 11, wire 12, air bag
13rd, temperature inductor 14, casing 3, lid 4 and electrode tip 2；Temperature inductor 14 is connected by wire 12 with battery pack 11, is led to
Battery pack 11 is crossed to power to temperature inductor 14；Air bag 13 is provided with magnetic valve 131 built with compression fire-retardant gas, air bag 13；
Temperature inductor 14 and magnetic valve 131 connect, and for temperature sensor information and control the switch of magnetic valve 131；Lid 4 is used to pacify
Confined space is formed on casing 3, battery pack 11, air bag 13, temperature inductor 14 and magnetic valve 131 are sealed in casing
Inside 3；Lid 4 is provided with through hole and copper sheet 41, and copper sheet 41 is arranged on the inner side of lid 4, and from through hole edge to through hole, centre extends；
Electrode tip 2 includes conductive pole 21 and insulator foot 22, and conductive pole 21 is fixedly connected through insulator foot 22 and with insulator foot 22；
Electrode tip 2 is inserted in through hole, is fixedly connected by the frictional force between insulator foot 22 and lid 4 with lid 4, the bottom of conductive pole 21
Portion and copper sheet 41 contact；Copper sheet 41 and battery pack 11 are connected by wire 12, for the electric energy of battery pack 11 to be transferred into electrode
First 2.
Temperature inductor 14 and battery pack 11 are arranged in same casing 3, when battery pack 11 because overheat catching fire
When, temperature inductor 14 can monitor temperature anomaly in time, and control magnetic valve 131 to open, and discharge the compression in air bag 13
Fire-retardant gas.Compress fire-retardant gas to extrude the air in space, oxygen content is reduced to below combustible concentration, produce burning
Condition is destroyed, and battery pack 11 can not further burn, and realizes the fire retardation to lithium battery.Casing 3 and lid 4 form
One sealing space, because lithium battery, which burns, can produce release gas, the compression fire-retardant gas in air bag 13 is released, then is added
Upper burn makes gas expansion, and the air pressure in sealing space is very big.When the frictional force between insulator foot 22 and lid 4 be not enough to
During the pressure that anti-zone of pressure comes, electrode tip 2 will be flown out by starting, and the contact being disconnected between conductive pole 21 and copper sheet 41, make
The operating loop of lithium battery is disconnected, and avoiding to continue to be powered causes the persistent fever of battery pack 11 to produce bigger harm.
As a kind of embodiment, electrode tip 2 also includes rubber ring, and the lateral wall of insulator foot 22 is provided with annular groove, rubber
Circle is arranged in annular groove, for increasing the sealing between insulator foot 22 and lid 4.
In order to avoid being escaped in the air in casing 3 in gap, insufficient pressure is caused to disconnect electricity so that electrode tip 2 to be thrown
Road, one rubber ring is set in the junction of insulator foot 22 and lid 4, by rubber ring increase insulator foot 22 and lid 4 it
Between sealing, ensure that during lithium battery catching fire can eject electrode tip 2 power-off that realize cell circuit.
Fig. 2 is refer to, as a kind of embodiment, lid 4 also includes dividing plate 42, and dividing plate 42 is provided with check valve 421.
Dividing plate 42 and check valve 421 be set on lid, and the gas in casing 3 can be escaped outwards, be avoided inside casing 3
Pressure is excessive to be caused to explode；Pouring in down a chimney for extraneous air is avoided simultaneously, makes to be full of by fire-retardant gas inside casing 3, battery pack 11
Oxygen can not be touched, Combustion Energy is suppressed quickly.
Fig. 1 is refer to, as a kind of embodiment, in addition to communication module 5, communication module 5 and battery pack 11 connect, and pass through
Battery pack 11 provides the energy of operation；Communication module 5 is connected by wire 12 and temperature inductor 14, for sending temperature sense
The temperature data for answering device 14 to monitor.
Occur in battery after pyrophoricity accident occurs, it is necessary to which degree and reason of fire are damaged in overhaul, it is likely that flame
Do not extinguish completely also or because internal air temperature is higher, easily to artificial into follow-up injury.Add in lithium battery safety box
The communication module 5 of one and the connection of temperature inductor 14 are filled, the temperature data inside casing 3 can be received immediately, it is concise straight
See ground identification and appear in the safe condition of casing 3, be easy to follow-up dismounting operation.
Fig. 2 is refer to, as a kind of embodiment, support column 31 is provided with casing 3, for battery pack 11 to be supported into fixation,
Battery pack 11 is avoided to be contacted with the side wall of casing 3.
When battery pack 11 is burnt, the temperature of of battery pack 11 itself is highest.By support column 31 by battery pack 11
Centre is fixed on, is not in contact with the sidewall edge of casing 3, high temperature is difficult to be delivered to outside along side wall, makes it right
Personnel outside contact casing 3 damage.
Fig. 2 is refer to, as a kind of embodiment, support column 31 is provided with baffle plate 311.
The characteristics of lithium battery is due to its composition, may be dripped with comburant during burning, set on support column 31 every
Plate 311, the comburant dripped can be carried, it is not fallen in side wall-burning, high temperature is delivered to the outside of casing 3.
As a kind of embodiment, compression fire-retardant gas is compressed helium.
Although existing mostly with the state of lithium ion in lithium battery, because lithium is to plant a very active metal, lithium
Lithium compound in battery may react with carbon dioxide, therefore need to be used as using helium and prevent battery pack from further firing
The fire-retardant gas of burning.
Although the utility model is disclosed as above with preferred embodiment, it is not for limiting the utility model, appointing
What those skilled in the art is not being departed from spirit and scope of the present utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, every without departing from the utility model technology
The content of scheme, any simple modification made according to the technical essence of the utility model to above example, equivalent variations and
Modification, belong to the protection domain of technical solutions of the utility model.
Claims (7)
- A kind of 1. lithium battery safety box, it is characterised in that including：Electrode tip, battery pack, wire, air bag, temperature inductor, case Body, lid and electrode tip；The temperature inductor is connected by wire with battery pack, is powered by battery pack to temperature inductor；The air bag is provided with magnetic valve built with compression fire-retardant gas, air bag；The temperature inductor connects with magnetic valve, for temperature sensor information and controls the switch of magnetic valve；The lid, which is used to be arranged on casing, forms confined space, and battery pack, air bag, temperature inductor and magnetic valve is close It is enclosed in box house；The lid is provided with through hole and copper sheet, and the copper sheet is arranged on the inside of lid, and from through hole edge to through hole, centre extends；The electrode tip includes conductive pole and insulator foot, and the conductive pole is fixed and connected through insulator foot and with insulator foot Connect；In the electrode tip insertion through hole, it is fixedly connected by the frictional force between insulator foot and lid with lid, it is described to lead Electric column bottom and copper sheet contact；The copper sheet is connected with battery pack by wire, for the electric energy of battery pack to be transferred into electrode tip.
- 2. lithium battery safety box according to claim 1, it is characterised in that the electrode tip also includes rubber ring, described Insulator foot lateral wall is provided with annular groove, and the rubber ring is arranged in annular groove.
- 3. lithium battery safety box according to claim 1, it is characterised in that the lid also includes dividing plate, the dividing plate It is provided with check valve.
- 4. lithium battery safety box according to claim 1, it is characterised in that also including communication module, the communication module Connected by wire with battery pack, the energy of operation is provided by battery pack；The communication module connects with temperature inductor, For sending the temperature data monitored of temperature inductor.
- 5. lithium battery safety box according to claim 1, it is characterised in that support column is provided with the casing, for inciting somebody to action Battery pack support is fixed, and avoids battery pack from being contacted with wall box.
- 6. lithium battery safety box according to claim 5, it is characterised in that the support column is provided with baffle plate.
- 7. lithium battery safety box according to claim 1, it is characterised in that the compression fire-retardant gas is compressed helium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720841942.1U CN206907799U (en) | 2017-07-12 | 2017-07-12 | Lithium battery safety box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720841942.1U CN206907799U (en) | 2017-07-12 | 2017-07-12 | Lithium battery safety box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907799U true CN206907799U (en) | 2018-01-19 |
Family
ID=61311586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720841942.1U Expired - Fee Related CN206907799U (en) | 2017-07-12 | 2017-07-12 | Lithium battery safety box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394064A (en) * | 2017-07-12 | 2017-11-24 | 浙江谷神能源科技股份有限公司 | Lithium battery safety box |
-
2017
- 2017-07-12 CN CN201720841942.1U patent/CN206907799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394064A (en) * | 2017-07-12 | 2017-11-24 | 浙江谷神能源科技股份有限公司 | Lithium battery safety box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20210712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |