CN206353552U - A kind of battery case body of energy heat-insulation and heat-preservation - Google Patents
A kind of battery case body of energy heat-insulation and heat-preservation Download PDFInfo
- Publication number
- CN206353552U CN206353552U CN201621223094.XU CN201621223094U CN206353552U CN 206353552 U CN206353552 U CN 206353552U CN 201621223094 U CN201621223094 U CN 201621223094U CN 206353552 U CN206353552 U CN 206353552U
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- CN
- China
- Prior art keywords
- heat
- housing
- casing
- battery
- case body
- 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
Abstract
The utility model discloses a kind of battery case body of energy heat-insulation and heat-preservation, including upper box and lower box, battery pack is located in the cavity formed after upper box and lower box combination, and casing includes housing and inside casing, inside casing is internally formed hollow layer positioned at housing, and inside casing and housing are supported by block rubber;The sealing strip that hollow layer is provided with the opening of upper box and the engagement edge of lower box, the lateral wall of housing is provided with extraction valve and sealing valve, battery case body, which is provided with, to be used to connect internal battery both positive and negative polarity and the through hole of external circuit elements, and through hole is separated by separation sleeve with hollow layer.Air extractor is used by the extraction valve set on the outside of casing, the air of hollow layer is pumped.Reuse sealing valve and close bleeding point, it is ensured that battery case body hollow layer vacuum state, to reduce the heat exchange of battery core and environment, it is ensured that battery core is stored and used at a suitable temperature, improve the storage life of battery core.
Description
Technical field
The utility model belongs to lithium ion battery technical group field, more particularly to a kind of battery pack box of energy heat-insulation and heat-preservation
Body.
Background technology
Batteries of electric automobile group it is harmonious it is in the field of business be a great difficult problem, batteries of electric automobile group is by multiple battery strings
The stacked composition of connection.Although automobile power system regards battery pack as single high-tension battery, whole battery pack is filled every time
Electricity and electric discharge, but battery control system must independently consider the situation of each battery.If a battery capacity in battery pack
Slightly lower than other batteries, then after multiple charge/discharge cycles, its charged state will be gradually deviated from other batteries.Such as
Really this battery charged state without periodically with other battery equilibriums, then it most at last enter deep discharge conditions,
So as to cause to damage, and ultimately form battery failure.Managed in real time for the existing various discharge and recharges at present of this problem industry
Reason system can solve some problems, but the management detection scheme of these passivitys still has significant limitation, particularly lack
The weary equalization temperature to battery pack environment is protected.Battery pack receives the influence of varying environment temperature in the different parts of vehicle, is
Cause a major reason of battery pack unbalanced phenomena.
The cooling system of batteries of electric automobile group usually starts in the process of running, is not turned in dead ship condition.If
It is that, in summer, under the conditions of sun direct projection, surface temperature highest is even up to 70 DEG C, high temperature storage state is in equivalent to battery core,
The too high environment of temperature can make internal storage battery pressure increase and make battery dehydration, trigger battery-active to decline, and accelerate pole plate old
Change, storage life is decayed;If in winter, battery core is in low temperature environment, i.e. car, and battery core is in low temperature discharge on startup
State, reduces the power of battery core, and battery is deposited at low ambient temperatures, and electrolyte can freeze when proportion is low.
Utility model content
The utility model will overcome the shortcomings of that batteries of electric automobile group operating ambient temperature of the prior art can not be kept,
There is provided a kind of battery case body of energy heat-insulation and heat-preservation, the heat exchange of reduction battery core and environment, it is ensured that battery core is suitable at one
At a temperature of store and use, improve battery core storage life.
Above-mentioned purpose is realized, the utility model uses following technical scheme.
A kind of battery case body of energy heat-insulation and heat-preservation, including upper box and lower box, battery pack are located at upper box and nowel
In the cavity formed after body combination, casing includes housing and inside casing, and inside casing is internally formed hollow layer, inside casing and housing positioned at housing
Supported by block rubber;Outside the sealing strip that hollow layer is provided with the opening of upper box and the engagement edge of lower box, housing
Side wall is provided with extraction valve and sealing valve, and battery case body, which is provided with, to be used to connect internal battery both positive and negative polarity and external circuit member
The through hole of part, through hole is separated by separation sleeve with hollow layer.
Air extractor is used by the extraction valve set on the outside of casing, the air of hollow layer is pumped.Reuse sealing valve
Bleeding point is closed, it is ensured that battery case body hollow layer vacuum state, to reduce the heat exchange of battery core and environment, it is ensured that battery core is one
Store and use at individual suitable temperature, improve the storage life of battery core.
Preferably, the housing of upper box is highly more than the inside casing of upper box, the housing of lower box is highly less than lower box
Inside casing, end face of the sealing strip outside hollow layer is housing to the inclined-plane of inside casing transition.The concave inward structure of upper box port and
The outer male structure of lower box port completes to engage by both inclined transition faces, fixes the position of upper box and lower box.
The ramp structure of sealing strip adds the contact area of upper box and lower box simultaneously, enhances upper box and lower box is mutual
Sealing property.
Preferably, the outer wall of upper box and lower box, which is respectively provided with through hole, through hole, is provided with closed rubber hose.Work as case
The sealing property of the hollow layer of body is intact and during inner vacuum, rubber hose tight collapse in the presence of external atmosphere pressure is pasted
Close, when the hollow layer leakage of casing, rubber hose expansion reverts to circular tube shaped.It can be observed by rubber hose in hollow layer
Whether vacuum is completed.
Preferably, the upper box of battery pack and the engagement edge of lower box are provided with sealing ring.Strengthen the sealing of contact surface
Performance, the function of preventing the air communication outside the gas and casing of cabinets cavity and make battery case body lose insulation.
Preferably, the hollow layer thickness of casing is 1mm ~ 10mm.The thickness of this scope can reasonably set battery
After the space that group casing is occupied, the hollow layer formation vacuum for ensureing battery case body while battery case body consumptive material is saved
Heat-proof quality.
Preferably, block rubber includes the residing plane fanning strip perpendicular to each other of three concyclic hearts, block rubber longitudinal edge
Transition chamfering is provided with along the outer radial edge of fanning strip bonded to each other.Block rubber is located at four of the inner bottom surface of casing housing
In corner, while stable support function is played, prevent from taking excessive hollow sheaf space, strengthen the heat-proof quality of casing;
The longitudinal edge edge of fanning strip is provided with transition chamfering, the installation except that can facilitate casing inside casing and housing, moreover it is possible in inside casing and outside
Frame leaves the space for being extruded and expanding for block rubber when assembling;Block rubber can also play a part of buffering absorbing, reduce electronic
Inside casing is by impulsive force when car hits, the soft-package battery inside protection.
Preferably, casing material is the metal materials such as steel, aluminium alloy.The intensity of metal material is higher, can bear compared with
Cost is relatively low while atmospheric pressure is unlikely to deform, and is adapted to production line balance.
Preferably, a kind of electric car, includes a kind of battery case body of energy thermal of above-mentioned technical proposal.
It is of the present utility model to be beneficial in that:
The hollow layer pumping of battery case body reaches the state of vacuum, forms vacuum layer, reduces inside battery case body
The heat exchange of battery core and environment, it is ensured that battery core is stored and used at a suitable temperature, improves the storage life of battery.
Inside casing and housing are supported by the block rubber provided with transition chamfering to be connected, and is block rubber when inside casing and housing are assembled
Leave the space for being extruded and expanding;Block rubber can also play a part of buffering absorbing, reduce inside casing when electric car hits
By impulsive force, the soft-package battery inside protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram at A-A in Fig. 1.
Fig. 3 is the partial enlarged drawing at B in Fig. 1.
Fig. 4 is the structural representation of block rubber in the utility model.
In figure:The locating slot 104 of 102 hollow layer of casing 1 upper box, 11 lower box, 12 housing, 101 inside casing 103 is evacuated
The separation sleeve 8 of 6 sealing ring of valve 2 sealing valve, 3 block rubber, 4 transition chamfering, 41 sealing strip, 5 rubber hose 7.
Embodiment
The utility model is further detailed with reference to the accompanying drawings and detailed description.
As shown in Figures 1 and 2, a kind of battery case body of energy heat-insulation and heat-preservation, including upper box 11 and lower box 12, on
Casing 11 and lower box 12 are referred to as casing 1, and wherein casing 1 is made of metal materials such as steel, aluminium alloys, the shape of casing 1
Determined by the cell shapes being actually needed, battery pack is located in the cavity formed after upper box 11 and the combination of lower box 12.Case
Body 1 includes housing 101 and inside casing 102, and inside casing 102 is located at the inside of housing 101 to form hollow layer 103, inside casing 102 and housing
101 support connection by block rubber 4;What hollow layer 103 was provided with the opening of upper box 11 and the engagement edge of lower box 12
Sealing strip 5, the thickness of hollow layer 103 of casing 1 is 1mm ~ 10mm, the thickness of hollow layer 103 depending on reality the need for determine.Such as Fig. 3
Shown, the height of housing 101 of upper box 11 is more than the inside casing 102 of upper box 11, and the height of housing 101 of lower box 12 is less than nowel
The inside casing 102 of body 12, end face of the sealing strip 5 outside hollow layer 103 is housing 101 to the inclined-plane of the transition of inside casing 102.Sealing strip
5 cross sectional shape is right-angled trapezium, trapezoidal two bases close to the side of right angle side provided with groove so as to form ladder, can be with
Sticker is closed in the locating slot 104 inside casing 102 and the edge of housing 101, and when in hollow layer 103 being vacuum, sealing strip 5 can down
Closer, the good seal performance of laminating.The lateral wall of the housing 101 of sealing strip 5 is provided with extraction valve 2 and sealing valve 3, casing 1
Being provided with is used to connect internal battery both positive and negative polarity and the through hole of external circuit elements, the separation sleeve 8 that through hole is made up of rubber
Separated with hollow layer 103.As shown in fig. 1, the outer wall of upper box 11 and lower box 12 is respectively provided with through hole, through hole provided with closed
Rubber hose 6 be used for examining level of vacuum in hollow layer 103.The contact of battery pack upper box 11 and battery pack lower box 12
Edge is provided with sealing ring 7, completes cabinets cavity and extraneous isolation, prevents from influenceing the heat preservation and insulation of casing.Such as Fig. 4 institutes
Show, block rubber 4 includes the residing plane fanning strip perpendicular to each other of three concyclic hearts, the longitudinal edge of block rubber 4 is along bonded to each other
The outer radial edge of fanning strip is provided with transition chamfering 41.
When battery pack upper box 11 is covered on battery pack lower box 12, the hollow layer 103 of upper box 11 and lower box 12
Attachment structure is mutually coincide, and sealing ring 7 mutually coincide, tight.Filled by the extraction valve 2 set on the outside of casing using pumping
Put, the air of hollow layer 103 is pumped.After rubber hose 6, which is shunk, fits, bleeding point is closed using sealing valve 3, it is ensured that battery
Group casing hollow layer 103 is in vacuum state, so as to reduce the heat exchange of battery core and environment, it is ensured that battery core is in a suitable temperature
Store and use under degree, improve the storage life of battery core.
Claims (7)
1. a kind of battery case body of energy heat-insulation and heat-preservation, it is characterized in that, including upper box (11) and lower box (12), battery pack is set
In the cavity formed after upper box (11) and lower box (12) combination, the casing (1) includes housing (101) and inside casing
(102), inside casing (102) is internally formed hollow layer (103) positioned at housing (101), and inside casing (102) and housing (101) pass through rubber
Block (4) is supported;The sealing strip that hollow layer (103) is provided with the opening of upper box (11) and the engagement edge of lower box (12)
(5), the lateral wall of housing (101) is provided with extraction valve (2) and sealing valve (3), and casing (1), which is provided with, to be used to connect internal cell
The through hole of group both positive and negative polarity and external circuit elements, through hole is separated by separation sleeve (8) with hollow layer (103).
2. a kind of battery case body of energy heat-insulation and heat-preservation according to claim 1, it is characterized in that, the upper box (11)
Housing (101) is highly more than the inside casing (102) of upper box (11), and the housing (101) of lower box (12) is highly less than lower box
(12) inside casing (102), sealing strip (5) is housing (101) to inside casing (102) transition in the outside end face of hollow layer (103)
Inclined-plane.
3. it is according to claim 1 it is a kind of can heat-insulation and heat-preservation battery case body, it is characterized in that, the upper box (11) and
The outer wall of lower box (12), which is respectively provided with through hole, through hole, is provided with closed rubber hose (6).
4. a kind of battery case body of energy heat-insulation and heat-preservation according to claim 1 or 2, it is characterized in that, the battery pack
The engagement edge of upper box (11) and lower box (12) is provided with sealing ring (7).
5. a kind of battery case body of energy heat-insulation and heat-preservation according to claim 1, it is characterized in that, in the casing (1)
Dead level (103) thickness is 1mm~10mm.
6. a kind of battery case body of energy heat-insulation and heat-preservation according to claim 1, it is characterized in that, block rubber (4) bag
Include the residing plane fanning strip perpendicular to each other of three concyclic hearts, block rubber (4) longitudinal edge is along the outer of fanning strip bonded to each other
Portion's longitudinal edge is along provided with transition chamfering (41).
7. a kind of electric car, it is characterized in that, include a kind of battery of energy heat-insulation and heat-preservation described in claim 1-6 any one
Group casing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621223094.XU CN206353552U (en) | 2016-11-14 | 2016-11-14 | A kind of battery case body of energy heat-insulation and heat-preservation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621223094.XU CN206353552U (en) | 2016-11-14 | 2016-11-14 | A kind of battery case body of energy heat-insulation and heat-preservation |
Publications (1)
Publication Number | Publication Date |
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CN206353552U true CN206353552U (en) | 2017-07-25 |
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CN201621223094.XU Expired - Fee Related CN206353552U (en) | 2016-11-14 | 2016-11-14 | A kind of battery case body of energy heat-insulation and heat-preservation |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109980147A (en) * | 2019-03-25 | 2019-07-05 | 深圳市依卓尔能源有限公司 | The exhaust packaging method of underwater power source |
CN110034257A (en) * | 2019-03-25 | 2019-07-19 | 深圳市依卓尔能源有限公司 | The encapsulating packaging method of underwater power source |
CN110160324A (en) * | 2019-06-06 | 2019-08-23 | 深圳市时代高科技设备股份有限公司 | Battery vacuum heat-insulation drying box |
CN110227909A (en) * | 2019-06-17 | 2019-09-13 | 中国航发南方工业有限公司 | Open type double-layer heat insulation tank body of oil tank processing method |
CN110388792A (en) * | 2019-06-03 | 2019-10-29 | 湖州核工惠能环保过滤科技有限公司 | A kind of vacuum screw dryer |
CN112751132A (en) * | 2021-01-22 | 2021-05-04 | 上海兰钧新能源科技有限公司 | Novel battery box structure, battery pack and electric vehicle |
CN113099651A (en) * | 2021-03-26 | 2021-07-09 | 马丹 | Server cabinet based on big data |
CN117673574A (en) * | 2024-02-03 | 2024-03-08 | 江苏欧力特能源科技有限公司 | Lithium battery module with low-temperature preheating function |
-
2016
- 2016-11-14 CN CN201621223094.XU patent/CN206353552U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109980147A (en) * | 2019-03-25 | 2019-07-05 | 深圳市依卓尔能源有限公司 | The exhaust packaging method of underwater power source |
CN110034257A (en) * | 2019-03-25 | 2019-07-19 | 深圳市依卓尔能源有限公司 | The encapsulating packaging method of underwater power source |
CN109980147B (en) * | 2019-03-25 | 2021-10-22 | 深圳市依卓尔能源有限公司 | Exhaust packaging method for underwater power supply |
CN110388792A (en) * | 2019-06-03 | 2019-10-29 | 湖州核工惠能环保过滤科技有限公司 | A kind of vacuum screw dryer |
CN110160324A (en) * | 2019-06-06 | 2019-08-23 | 深圳市时代高科技设备股份有限公司 | Battery vacuum heat-insulation drying box |
CN110227909A (en) * | 2019-06-17 | 2019-09-13 | 中国航发南方工业有限公司 | Open type double-layer heat insulation tank body of oil tank processing method |
CN112751132A (en) * | 2021-01-22 | 2021-05-04 | 上海兰钧新能源科技有限公司 | Novel battery box structure, battery pack and electric vehicle |
CN113099651A (en) * | 2021-03-26 | 2021-07-09 | 马丹 | Server cabinet based on big data |
CN113099651B (en) * | 2021-03-26 | 2022-08-05 | 马丹 | Server cabinet based on big data |
CN117673574A (en) * | 2024-02-03 | 2024-03-08 | 江苏欧力特能源科技有限公司 | Lithium battery module with low-temperature preheating function |
CN117673574B (en) * | 2024-02-03 | 2024-04-09 | 江苏欧力特能源科技有限公司 | Lithium battery module with low-temperature preheating function |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20201114 |