CN207800661U - A kind of high-low temperature resistant power battery explosion protection head cover - Google Patents
A kind of high-low temperature resistant power battery explosion protection head cover Download PDFInfo
- Publication number
- CN207800661U CN207800661U CN201820162693.8U CN201820162693U CN207800661U CN 207800661 U CN207800661 U CN 207800661U CN 201820162693 U CN201820162693 U CN 201820162693U CN 207800661 U CN207800661 U CN 207800661U
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- CN
- China
- Prior art keywords
- head cover
- electrolyte
- insulation tube
- power battery
- low temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - 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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a kind of high-low temperature resistant power battery explosion protection head covers, including head cover, the top both sides of head cover are provided with mounting hole, mounting hole insertion is arranged in head cover, is provided with cooling chamber on rear side of the top of head cover, cooling chamber is fitted closely with head cover, cooling chamber is internally provided with insulation tube, insulation tube insertion is arranged in cooling chamber, and the left lower of insulation tube is provided with electrolyte inlet, and electrolyte inlet is fixedly connected with insulation tube.This kind of high-low temperature resistant power battery explosion protection head cover, equipped with cooling chamber, cooling interior conduit is connected to inside battery electrolyte, electrolyte inside temperature increases when power battery works, and pressure increases, and electrolyte is introduced cooling chamber by internal pressure by electrolyte inlet, and electrolyte outlet aperture is less than electrolyte inlet aperture, electrolyte can stop in insulation tube, be then exhausted from after being fully cooled, and avoid inside battery point solution liquid temperature is excessively high from bursting head cover and battery case.
Description
Technical field
The utility model is related to power battery technology field, specially a kind of high-low temperature resistant power battery explosion protection head cover.
Background technology
Power battery is also accumulator, is made of battery case and head cover, and head cover seals battery case, and protection is internal
Electrolyte, exports electric energy, and power battery can give a variety of machineries to provide power, be widely used in new-energy automobile and environment protection architecture
Etc. various industries, and battery charging and discharging during do not discharge exhaust gas, do not generate noise, it is free from environmental pollution, have become me
Healthy living and build the essential part of green building.
But existing power battery design of cover is not reasonable, power battery in use, if outside air temperature is too low,
Head cover can not obstruct external low temperature intrusion inside battery, not only damage head cover, the capacitance of battery will also be greatly reduced, if electric
Pond overcharges or crosses and puts, and electrolyte inside temperature easily causes battery cap to burst after increasing to a certain extent, influences power battery
Use, or even injury outside batteries body.
So how to design a kind of high-low temperature resistant power battery explosion protection head cover, becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of high-low temperature resistant power battery explosion protection head covers, to solve above-mentioned background skill
The problem of battery cap performance proposed in art is influenced to be easy to burst by temperature high/low temperature.
To achieve the above object, the utility model provides the following technical solutions：A kind of high-low temperature resistant power battery explosion protection top
The top both sides of lid, including head cover, the head cover are provided with mounting hole, and the mounting hole insertion is arranged in head cover, the top
It is provided with cooling chamber on rear side of the top of lid, the cooling chamber is fitted closely with head cover, and the cooling chamber is internally provided with insulation
Pipe, the insulation tube insertion are arranged in cooling chamber, and the left lower of the insulation tube is provided with electrolyte inlet, the electrolysis
Liquid import is fixedly connected with insulation tube, and the lower right side of the insulation tube is provided with electrolyte outlet, and the electrolyte outlet is embedding
Enter setting to exist
In insulation tube, the outside of the insulation tube is provided with coolant liquid, and the coolant liquid is fitted closely with insulation tube, described
The upper left-hand of head cover is provided with positive terminal, and the positive terminal insertion is arranged on head cover, the positive terminal
Right side be provided with negative terminal, the negative terminal is fixedly connected with positive terminal, the setting of the top of the head cover
There are safety valve, the safety valve insertion to be arranged on head cover, the safety valve is internally provided with rubber block, and the safety valve is embedding
It is set on rubber block outer wall, the upper and lower ends of the rubber block are provided with baffle, and the baffle is fitted closely with rubber block, institute
The top front end for stating head cover is provided with protective cover, and the protective cover is movably connected with the top cover, the row of being provided on the right side of the head cover
Gas port, the exhaust outlet insertion are arranged on head cover, and the inner upper end of the head cover is provided with sealant, the sealant insertion
It is arranged in head cover, the interior lower end of the head cover is provided with insulating layer, and the insulating layer is fitted closely with head cover inner wall.
Further, the left end of the insulation tube is slightly longer, electrolyte inlet stretch into liquid level of electrolyte hereinafter, insulation tube the right side
Side is slightly short, and electrolyte outlet aperture is less than electrolyte inlet aperture.
Further, there are four the mounting hole is set altogether, it is located at head cover quadrangle.
Further, head cover lower part is close in the lower end of the insulating layer, and there are gaps between upper end and sealant.
Further, the centre of the rubber block has twice opening, opening acquiescence to be in closed state.
Further, there are holes among the baffle, are equipped with two pieces altogether, are located at the upper and lower part of rubber block.
Compared with prior art, the utility model has the beneficial effects that：This kind of high-low temperature resistant power battery explosion protection head cover, if
There are cooling chamber, cooling interior conduit to be connected to inside battery electrolyte, electrolyte inside temperature increases when power battery works, pressure
Power increases, and electrolyte is introduced cooling chamber by internal pressure by electrolyte inlet, and electrolyte outlet aperture is less than electrolyte inlet
Aperture, electrolyte can be stopped in insulation tube, is then exhausted from after being fully cooled, and avoid inside battery point solution liquid temperature is excessively high from bursting
Head cover and battery case are additionally provided with insulating layer inside head cover, and there are gaps between insulating layer and upper end sealant, when external gas
When temperature is too low, head cover outer surface and sealant temperature reduce, and low temperature is transmitted to insulating layer by head cover and sealant
When the overwhelming majority absorbed by air, the barrier of remaining cold air insulation layer ensures electrolyte inside not by low temperature shadow
It rings, head cover top is additionally provided with safety valve, has twice opening, power battery interior when working normally among the rubber block inside safety valve
Portion's air pressure is small, and rubber block opening is since rubber extruded is in closed state, after power battery air pressure inside increases to a certain extent,
Rubber block opening will be rushed to open, and power battery internal high temperature gas is discharged, head cover and battery case is protected not to be damaged even
It bursts.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model；
Fig. 3 is the cooling chamber partial structural diagram of the utility model.
In figure：1, head cover, 2, cooling chamber, 3, protective cover, 4, safety valve, 5, terminal positive, 6, insulation tube, 101, exhaust
Mouthful, 102, mounting hole, 103, sealant, 104, insulating layer, 201, coolant liquid, 401, rubber block, 402, baffle, 501, binding post
Cathode, 601, electrolyte inlet, 602, electrolyte outlet.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of high-low temperature resistant power battery explosion protection head cover,
Including head cover 1, the top both sides of head cover 1 are provided with mounting hole 102, and the insertion of mounting hole 102 is arranged in head cover 1, head cover 1 it is upper
It is provided with cooling chamber 2 on rear side of portion, cooling chamber 2 is fitted closely with head cover 1, and cooling chamber 2 is internally provided with insulation tube 6, insulation tube 6
Embedded to be arranged in cooling chamber 2, the left lower of insulation tube 6 is provided with electrolyte inlet 601, electrolyte inlet 601 and insulation
Pipe 6 is fixedly connected, and the lower right side of insulation tube 6 is provided with electrolyte outlet 602, and the insertion setting of electrolyte outlet 602 exists
In insulation tube 6, the outside of insulation tube 6 is provided with coolant liquid 201, and coolant liquid 201 is fitted closely with insulation tube 6, top
The upper left-hand of lid 1 is provided with positive terminal 5, and the insertion of positive terminal 5 is arranged on head cover 1, the right side of positive terminal 5
It is provided with negative terminal 501, negative terminal 501 is fixedly connected with positive terminal 5, and the top of head cover 1 is provided with safety
Valve 4, the insertion of safety valve 4 are arranged on head cover 1, and safety valve 4 is internally provided with rubber block 401, and safety valve 4 is embedding to be set on rubber
The upper and lower ends of 401 outer wall of blob of viscose, rubber block 401 are provided with baffle 402, and baffle 402 is fitted closely with rubber block 401, head cover 1
Top front end be provided with protective cover 3, protective cover 3 is flexibly connected with head cover 1, and the right side of head cover 1 is provided with exhaust outlet 101, row
The insertion of gas port 101 is arranged on head cover 1, and the inner upper end of head cover 1 is provided with sealant 103, and the insertion setting of sealant 103 is being pushed up
In lid 1, the interior lower end of head cover 1 is provided with insulating layer 104, and insulating layer 104 is fitted closely with 1 inner wall of head cover.
Further, the left end of insulation tube 6 is slightly longer, and electrolyte inlet 601 stretches into liquid level of electrolyte hereinafter, insulation tube 6
Right side is slightly short, and 602 aperture of electrolyte outlet is less than 601 aperture of electrolyte inlet, inside electrolysis when being worked due to power battery
Liquid temperature increases, and pressure increases, and electrolyte is entered insulation tube 6 by internal pressure by electrolyte inlet 601, due to electrolyte outlet
602 apertures are less than 601 aperture of electrolyte inlet, and electrolyte can stop in insulation tube 6, be then exhausted from insulation tube 6 after cooling.
Further, there are four mounting hole 102 is set altogether, it is located at 1 four jiaos of head cover, when power battery is installed, bolt
Battery is fixed across mounting hole 102, four mounting holes 102 form four fixing ends after installing, and can be stably mounted to battery
On body, battery body is protected not rock, the body outer wall that collides with causes power battery to damage.
Further, 1 lower part of head cover is close in the lower end of insulating layer 104, there are gap between upper end and sealant 103, when
When outside air temperature is too low, 1 outer surface of head cover and 103 temperature of sealant reduce, since insulating layer 104 is close to 1 lower part of head cover, and not
It is contacted with sealant 103 so that the overwhelming majority is by air when outer low temperature is transmitted to insulating layer 104 by head cover 1 and sealant 104
It absorbs, remaining cold air insulation layer 104 obstructs, and ensures electrolyte inside not by low temperature effect.
Further, the centre of rubber block 401 has twice opening, opening acquiescence to be in closed state, move
Air pressure inside is small when power normal battery operation, and the opening of rubber block 401 works as power since rubber extruded is in closed state
After inside battery air pressure increases to a certain extent, the opening of rubber block 401 will be rushed to open, and power battery internal high temperature gas is arranged
Go out, head cover 1 and battery case is protected not to be damaged or even burst.
Further, there are holes among baffle 402, are equipped with two pieces altogether, are located at the upper and lower part of rubber block 401,
Rubber block 401 is embedded in safety valve 4, and under shield 402 is blocked, and so that it is not absorbed in inside battery, when rubber block 401 is vented
Inside battery generates larger pressure, and upper guard-plate 402, which is blocked, prevents rubber block 401 to be rushed out safety valve 4, and due to baffle
Hole is equipped among 402, inside battery high-temperature gas is discharged after washing rubber block 401 open by hole, in the same of fixed rubber block 401
When do not influence its work.
Operation principle：First, the terminal positive 5 and terminal negative 501 connected on head cover 1 charges the battery, and charges
After the completion, battery is mounted on body, by being fixed power battery and head cover 1 with the mounting hole 102 of 1 four jiaos of head cover, is connect
Connect terminal, under isoperibol when power battery normal use, safety valve 4 is closed, and sealant 103 is by power battery
Inside is separated with outside, and when power battery air pressure inside increases, temperature increases, and electrolyte is entered by electrolyte inlet 601 to be cooled down
Insulation tube 6 inside room 2, electrolyte are stopped after cooling in insulation tube 6 and are discharged by electrolyte outlet 602, return to power battery
Inside, while power battery internal high temperature gas urges head cover 1, the inner opening of rubber block 401 in safety valve 4 is filled out, by
Safety valve 4 is discharged, and when outside air temperature is too low, 1 outer surface of head cover and 103 temperature of sealant reduce, and low temperature passes through head cover 1 and close
When sealing 103 is transmitted to insulating layer 104, the overwhelming majority is absorbed by the air in gap, and remaining cold air insulation layer 104 obstructs.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of high-low temperature resistant power battery explosion protection head cover, including head cover（1）, it is characterised in that：The head cover（1）Top two
Side is provided with mounting hole（102）, the mounting hole（102）It is embedded to be arranged in head cover（1）In, the head cover（1）Top on rear side of
It is provided with cooling chamber（2）, the cooling chamber（2）With head cover（1）It fits closely, the cooling chamber（2）Be internally provided with insulation
Pipe（6）, the insulation tube（6）It is embedded to be arranged in cooling chamber（2）It is interior, the insulation tube（6）Left lower be provided with electrolyte
Import（601）, the electrolyte inlet（601）With insulation tube（6）It is fixedly connected, the insulation tube（6）Lower right side setting
There is electrolyte outlet（602）, the electrolyte outlet（602）It is embedded to be arranged in insulation tube（6）It is interior, the insulation tube（6）It is outer
Portion is provided with coolant liquid（201）, the coolant liquid（201）With insulation tube（6）It fits closely, the head cover（1）Upper left-hand
It is provided with positive terminal（5）, the positive terminal（5）It is embedded to be arranged in head cover（1）On, the positive terminal（5）'s
Right side is provided with negative terminal（501）, the negative terminal（501）With positive terminal（5）It is fixedly connected, the head cover
（1）Top be provided with safety valve（4）, the safety valve（4）It is embedded to be arranged in head cover（1）On, the safety valve（4）Inside
It is provided with rubber block（401）, the safety valve（4）It is embedding to be set on rubber block（401）Outer wall, the rubber block（401）It is upper
Under be provided at both ends with baffle（402）, the baffle（402）With rubber block（401）It fits closely, the head cover（1）Top before
End is provided with protective cover（3）, the protective cover（3）With head cover（1）Flexible connection, the head cover（1）Right side be provided with exhaust
Mouthful（101）, the exhaust outlet（101）It is embedded to be arranged in head cover（1）On, the head cover（1）Inner upper end be provided with sealant
（103）, the sealant（103）It is embedded to be arranged in head cover（1）It is interior, the head cover（1）Interior lower end be provided with insulating layer
（104）, the insulating layer（104）With head cover（1）Inner wall fits closely.
2. a kind of high-low temperature resistant power battery explosion protection head cover according to claim 1, it is characterised in that：The insulation tube
（6）Left end it is slightly longer, electrolyte inlet（601）Liquid level of electrolyte is stretched into hereinafter, insulation tube（6）Right side it is slightly short, and electrolyte
Outlet（602）Aperture is less than electrolyte inlet（601）Aperture.
3. a kind of high-low temperature resistant power battery explosion protection head cover according to claim 1, it is characterised in that：
The mounting hole（102）There are four setting altogether, it is located at head cover（1）Quadrangle.
4. a kind of high-low temperature resistant power battery explosion protection head cover according to claim 1, it is characterised in that：The insulating layer
（104）Lower end be close to head cover（1）Lower part, upper end and sealant（103）Between there are gaps.
5. a kind of high-low temperature resistant power battery explosion protection head cover according to claim 1, it is characterised in that：The rubber block
（401）Centre have a twice opening, opening acquiescence is in closed state.
6. a kind of high-low temperature resistant power battery explosion protection head cover according to claim 1, it is characterised in that：The baffle
（402）There are holes for centre, are equipped with two pieces altogether, are located at rubber block（401）Upper and lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820162693.8U CN207800661U (en) | 2018-01-31 | 2018-01-31 | A kind of high-low temperature resistant power battery explosion protection head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820162693.8U CN207800661U (en) | 2018-01-31 | 2018-01-31 | A kind of high-low temperature resistant power battery explosion protection head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800661U true CN207800661U (en) | 2018-08-31 |
Family
ID=63267230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820162693.8U Expired - Fee Related CN207800661U (en) | 2018-01-31 | 2018-01-31 | A kind of high-low temperature resistant power battery explosion protection head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010839A (en) * | 2019-04-17 | 2019-07-12 | 张健 | A kind of battery containing neutral electrolyte |
-
2018
- 2018-01-31 CN CN201820162693.8U patent/CN207800661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010839A (en) * | 2019-04-17 | 2019-07-12 | 张健 | A kind of battery containing neutral electrolyte |
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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: 20180831 Termination date: 20220131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |