CN207368170U - High life lithium battery - Google Patents
High life lithium battery Download PDFInfo
- Publication number
- CN207368170U CN207368170U CN201721406948.2U CN201721406948U CN207368170U CN 207368170 U CN207368170 U CN 207368170U CN 201721406948 U CN201721406948 U CN 201721406948U CN 207368170 U CN207368170 U CN 207368170U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- heat sink
- electric core
- battery electric
- grease layer
- 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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Abstract
The utility model discloses a kind of high life lithium battery, the lithium battery electric core in accommodating space that it includes the square casing of one end opening, closes the open-ended upper cover and is placed in square casing and upper cover is formed；The first heat sink and the second heat sink are respectively equipped between lithium battery electric core and the both sides side wall of square casing, and, the first thermal grease layer is filled between first heat sink and lithium battery electric core, the second thermal grease layer is filled between the second heat sink and lithium battery electric core.Heat dissipation technology of the prior art is used as one of heat dissipation channel using the air of heat conductivility difference, the utility model is respectively provided with the heat sink of solid in lithium battery electric core both sides and bottom, and fill thermal grease layer between heat sink and lithium battery electric core and between heat sink and square casing, the air gap of lithium battery interior is filled with thermal grease layer, thermal grease layer has extraordinary heat dissipation effect, therefore whole lithium battery can reach abundant heat dissipation.
Description
Technical field
Heat dissipation of lithium battery technical field is the utility model is related to, is specifically a kind of high life with excellent radiating effect housing
Lithium battery.
Background technology
As each electronic product is to the demand of power supply, developing rapidly for battery industry is promoted.Thus, in the market derives
Go out various batteries.Wherein, many advantages, such as lithium battery is because of its long lifespan, environmental protection, is widely used for electric automobile, storage
The various industries such as energy device.By development for many years, with the raising gradually of quality and technique, the service life of lithium battery and durability
Obtained very high lifting, also, proved by long-term operation, the overall quantity of operation of lithium battery, not only with single battery
Quality it is related, the packaging technology, structure more with lithium battery in groups are closely bound up.Meanwhile temperature is to influence lithium battery to use the longevity
One of an important factor for life, therefore, lift the heat dissipation performance of integral battery door group structure, the development to lithium battery is very important
Link.
Existing square lithium ion battery is most common lithium battery in life, its model is very more, MP3, MP4, hand
Widely used on the products such as machine, model plane.Generally, rectangular lithium ion battery has metal-back encapsulation (silvery white duricrust) and plastic-aluminum
Two kinds of shell encapsulation (canescence soft shell)；Metal-back encapsulation is lithium ion battery or liquid lithium battery, and the encapsulation of plastic-aluminum shell is lithium
Ionomer (macromolecule) battery (Lithium ion polymer battery).Metal-back encapsulates and plastic-aluminum shell encapsulation electricity
The chemical material and electrochemical properties that pond uses are similar, and main difference is that lithium ion polymer battery uses some glue
State material helps fitting or the Electolyte-absorptive of battery pole plates, reduces the usage amount of liquid electrolyte, so that the encapsulation of battery
It can make plastic-aluminum shell into by metal-back.And the metal-back lithium battery that compares, the shell of plastic-aluminum shell lithium battery is insulator, is had more
Heat dissipation problem.In addition, battery surface temperature is high in high current charge-discharge, temperature conduction is easily given to the electronics member for closing on battery case
Device, lithium battery whole face are attached in battery case, not easy heat radiation.Temperature either is accumulated in lithium battery interior, or in battery
Transmission high-temp in groove, all by influence lithium battery in itself and ambient electron component use, also result in the use of lithium battery
Service life reduction.
Utility model content
Therefore, for it is above-mentioned the problem of, the utility model proposes a kind of high life lithium battery, to the shell of existing lithium battery
Body structure is improved, while ensures that lithium battery interior and outside have a good heat dissipation wind channel, makes it easier to radiate, with
Improve the service life of lithium battery.
In order to solve the above-mentioned technical problem, the utility model is the technical scheme adopted is that a kind of high life lithium battery, bag
The square casing of one end opening is included, close the open-ended upper cover and is placed in square casing and appearance that upper cover is formed
Interior lithium battery electric core is emptied, lithium battery electric core is equipped with anode ear and negative electrode lug close to the end of upper cover, and upper lid, which is equipped with, to be divided
Cathode output end and cathode output end not corresponding with anode ear and negative electrode lug；Wherein, the lithium battery electric core and square casing
Both sides side wall between be respectively equipped with the first heat sink and the second heat sink, and, filled out between the first heat sink and lithium battery electric core
Filled with the first thermal grease layer, the second thermal grease layer is filled between the second heat sink and lithium battery electric core.
Radiator structure of the prior art is generally solid components（Heat dissipation channel is realized for example with radiating fin）,
These heats are transmitted on the radiating fin of solid by the lithium battery electric core of fever, so as to achieve the purpose that heat dissipation, however, lithium
The radiating fin of battery battery core and housing is solid material, and there are the air gap between contact surface, air conduction performance is very poor,
Seriously affect heat transfer efficiency.Therefore, lithium battery electric core both sides are set the heat sink of solid by the utility model, and in heat sink and
Thermal grease layer is filled between lithium battery electric core, is radiated with abundant realize, there is extraordinary heat dissipation effect.Therefore, this practicality
It is new that lithium battery electric core both sides are set to the heat sink of solid, and heat-conducting silicone grease is filled between heat sink and lithium battery electric core
Layer, is radiated with abundant realize, has extraordinary heat dissipation effect.
Further, in order to improve heat dissipation effect, filled with the between the side wall of first heat sink and square casing
Three thermal grease layers, are filled with the 4th thermal grease layer between the second heat sink and the side wall of square casing.
In order to further improve heat dissipation effect, the lithium battery electric core and it is additionally provided between the bottom interior wall of square casing
3rd heat sink, and, the 5th thermal grease layer is filled between the 3rd heat sink and lithium battery electric core.
In order to further improve heat dissipation effect, the 6th is filled between the bottom wall of the 3rd heat sink and square casing
Thermal grease layer.
In order to improve the stability of battery, the card slot of holding lithium battery electric core, the card are offered on the 3rd heat sink
Groove can have certain elasticity or set fastener, when the bottom of lithium battery electric core is inserted into the card slot, by its elasticity or
The effect of person's fastener, the bottom of lithium battery electric core is fixed on the 3rd heat sink.
In order to improve the water resistance of battery, sealant rubber ring is equipped between the upper cover and square casing.
Heat dissipation technology of the prior art is led to using the air of heat conductivility difference as one of heat dissipation channel, the utility model
Such scheme is crossed, the heat sink of solid is respectively provided with lithium battery electric core both sides and bottom, and in heat sink and lithium battery electric core
Between and heat sink and square casing between fill thermal grease layer, the sky of lithium battery interior is filled with thermal grease layer
Gas gap, thermal grease layer has extraordinary heat dissipation effect, therefore whole lithium battery can reach abundant heat dissipation.And at the same time, lead
The heat-conducting silicone grease of hot silicone grease layer is insulating materials, also acts the effect being dielectrically separated from.The utility model is simple in structure, is easy to real
Existing, heat dissipation effect is splendid, has good practicality.
Brief description of the drawings
Fig. 1 is the decomposition diagram of the lithium battery of the utility model；
Fig. 2 is the transverse sectional view of the lithium battery of the utility model；
Fig. 3 is the longitudinal sectional view of the lithium battery of the utility model.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that
Instruction implies relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
As a specific embodiment, referring to Fig. 1-3, a kind of high life lithium battery of the utility model, including one end
The square casing 1 of portion's opening, close the open-ended upper cover 2 and be placed in square casing 1 and that upper cover 2 is formed is accommodating
Lithium battery electric core 3 in space, lithium battery electric core 3 are equipped with anode ear 31 and negative electrode lug 32 close to the end of upper cover 2, in upper cover 2
Equipped with corresponding with anode ear 31 and negative electrode lug 32 cathode output end 21 and cathode output end 22 respectively, anode ear 31 and cathode are defeated
Outlet 21 is electrically connected, and negative electrode lug 32 is electrically connected with cathode output end 22.
Wherein, in the present embodiment, the first heat dissipation is respectively equipped between the both sides side wall of lithium battery electric core 3 and square casing 1
41 and second heat sink 42 of plate, and, the first thermal grease layer 51 is filled between the first heat sink 41 and lithium battery electric core 3, the
The second thermal grease layer 52 is filled between two heat sinks 42 and lithium battery electric core 3.The side of first heat sink 41 and square casing 1
The 3rd thermal grease layer 53 is filled between wall, the 4th heat conduction is filled between the second heat sink 42 and the side wall of square casing 1
Silicone grease layer 54.
Lithium battery electric core 3 and the 3rd heat sink 43 is additionally provided between the bottom interior wall of square casing 1, and, the 3rd heat dissipation
The 5th thermal grease layer 55 is filled between plate 43 and lithium battery electric core 3.Between 3rd heat sink 43 and the bottom wall of square casing 1
Filled with the 6th thermal grease layer 56.
Above-mentioned first thermal grease layer 51, the second thermal grease layer 52, the 3rd thermal grease layer 53, the 4th thermal grease layer
54th, the 5th thermal grease layer 55 and the 6th thermal grease layer 56 are generally using the thermal conductive silicon with Thermal conductivity and insulation
Fat is realized, naturally it is also possible to is with flexibility thermal interfacial material with Thermal conductivity again using other（TIMs）.
By heat-conducting silicone grease（Or other thermal interfacial materials）Applied to the contact gap between solid-state component, to fill up air gap, carry
High heat transfer effect.The specific of the unlimited heat-conducting silicone grease processed of the application is prepared, and widely used heat-conducting silicone grease is with silicon in practical application
Oil is matrix, adds heat filling（Thermal conductive metal particle thing）It is prepared, the heat-conducting silicone grease of the application can be existing by the market
Ripe heat-conducting silicone grease product obtain.
The material of first heat sink 41, the second heat sink 42 and the 3rd heat sink 43 can use high non-of existing thermal conductivity factor
Metal material is realized, such as the heat sink made of the composite materials such as graphite, carbon fiber, graphene.
In order to improve the stability of battery, the card slot 431 of holding lithium battery electric core 3 is offered on the 3rd heat sink 43, should
Card slot 431 can have certain elasticity or set fastener, when the bottom of lithium battery electric core 3 is inserted into the card slot, by it
The effect of elasticity or fastener, the bottom of lithium battery electric core 3 is fixed on the 3rd heat sink 43.
In order to improve the water resistance of battery, sealant rubber ring is equipped between upper cover 2 and square casing 1.
During installation, first the bottom coated with thermally conductive silicone grease layer of lithium battery electric core is then charged into the card slot of the 3rd heat sink,
Again by the left and right sides of lithium battery electric core（Can also be that four sides are coated with）First is dissipated respectively after coated with thermally conductive silicone grease layer
Hot plate and the second heat sink are fixed on its both sides, then will parcel then by the bottom coated with thermally conductive silicone grease layer of the 3rd heat sink
The lithium battery electric core of first heat sink, the second heat sink and the 3rd heat sink is integrally put into square casing, then by heat conduction
Silicone grease layer is respectively filled in the air gap between the inner wall of the first heat sink, the second heat sink and square casing, is finally installed
Sealant rubber ring and upper cover.Dissipated in use, the heat of lithium battery electric core passes to first via the thermal grease layer of side
Hot plate, the second heat sink or the 3rd heat sink, then housing is passed to, and then realize heat dissipation.
Radiator structure of the prior art is generally solid components（Heat dissipation channel is realized for example with radiating fin）,
These heats are transmitted on the radiating fin of solid by the lithium battery electric core of fever, so as to achieve the purpose that heat dissipation, however, lithium
The radiating fin of battery battery core and housing is solid material, and there are the air gap between contact surface, air conduction performance is very poor,
Seriously affect heat transfer efficiency.Therefore, lithium battery electric core both sides are set the heat sink of solid by the utility model, and in heat sink and
Thermal grease layer is filled between lithium battery electric core, is radiated with abundant realize, there is extraordinary heat dissipation effect.Therefore, this practicality
It is new that 3 both sides of lithium battery electric core are set to the heat sink of solid, and heat-conducting silicone grease is filled between heat sink and lithium battery electric core
Layer, is radiated with abundant realize, has extraordinary heat dissipation effect.And at the same time, the heat-conducting silicone grease of thermal grease layer is insulating materials,
Also act the effect being dielectrically separated from.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (8)
- A kind of 1. high life lithium battery, it is characterised in that：Square casing including one end opening, close this it is open-ended on Lid and be placed in square casing and accommodating space that upper cover is formed in lithium battery electric core, lithium battery electric core is close to upper cover End is equipped with anode ear and negative electrode lug, and upper lid is equipped with corresponding with anode ear and negative electrode lug cathode output end and anode are defeated respectively Outlet；Wherein, the first heat sink and the second heat dissipation are respectively equipped between the both sides side wall of the lithium battery electric core and square casing Plate, and, be filled with the first thermal grease layer between the first heat sink and lithium battery electric core, the second heat sink and lithium battery electric core it Between be filled with the second thermal grease layer.
- 2. high life lithium battery according to claim 1, it is characterised in that：The side of first heat sink and square casing The 3rd thermal grease layer is filled between wall.
- 3. high life lithium battery according to claim 1, it is characterised in that：The side of second heat sink and square casing The 4th thermal grease layer is filled between wall.
- 4. according to any high life lithium batteries of claim 1-3, it is characterised in that：The lithium battery electric core and square shell The 3rd heat sink is equipped between the bottom interior wall of body.
- 5. high life lithium battery according to claim 4, it is characterised in that：3rd heat sink and lithium battery electric core it Between be filled with the 5th thermal grease layer.
- 6. high life lithium battery according to claim 4, it is characterised in that：The bottom of 3rd heat sink and square casing The 6th thermal grease layer is filled between wall.
- 7. high life lithium battery according to claim 4, it is characterised in that：Holding lithium is offered on 3rd heat sink The card slot of battery battery core.
- 8. high life lithium battery according to claim 1, it is characterised in that：It is equipped between the upper cover and square casing close Sealing rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406948.2U CN207368170U (en) | 2017-10-26 | 2017-10-26 | High life lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406948.2U CN207368170U (en) | 2017-10-26 | 2017-10-26 | High life lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368170U true CN207368170U (en) | 2018-05-15 |
Family
ID=62344377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721406948.2U Expired - Fee Related CN207368170U (en) | 2017-10-26 | 2017-10-26 | High life lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640588A (en) * | 2018-10-15 | 2019-04-16 | 华为技术有限公司 | Terminal device |
| JP2023028555A (en) * | 2021-08-19 | 2023-03-03 | 内山工業株式会社 | Sealing member for storage battery and storage battery using the same |
-
2017
- 2017-10-26 CN CN201721406948.2U patent/CN207368170U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640588A (en) * | 2018-10-15 | 2019-04-16 | 华为技术有限公司 | Terminal device |
| CN109640588B (en) * | 2018-10-15 | 2020-05-29 | 华为技术有限公司 | Terminal device |
| JP2023028555A (en) * | 2021-08-19 | 2023-03-03 | 内山工業株式会社 | Sealing member for storage battery and storage battery using the same |
| JP7273422B2 (en) | 2021-08-19 | 2023-05-15 | 内山工業株式会社 | Storage battery sealing member and storage battery using the same |
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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: 20180515 Termination date: 20191026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |