CN208173747U - A kind of battery pack - Google Patents
A kind of battery pack Download PDFInfo
- Publication number
- CN208173747U CN208173747U CN201820525806.6U CN201820525806U CN208173747U CN 208173747 U CN208173747 U CN 208173747U CN 201820525806 U CN201820525806 U CN 201820525806U CN 208173747 U CN208173747 U CN 208173747U
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- Prior art keywords
- battery
- battery pack
- phase
- pack according
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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 a kind of battery pack, including shell, it is equipped with battery core group in shell, battery core group includes multiple element cells, and element cell is externally provided with flexible phase change layer in close contact therewith.The beneficial effects of the utility model are：Since flexible phase change layer has elasticity, it can be compressed, by the way that flexible phase change layer is closely attached on element cell, preferably it can be made to be bonded with battery, the heat of battery can be quickly transmitted on heat dissipating layer, battery is set to cool down rapidly, so as to fast and effeciently radiate to battery, play the best performance of phase-change material, solving heat cannot quickly pass on phase-change material, it can not make battery fast cooling, to make battery heat up, cause battery can not put electricity, the problem of can not meet work requirements, consumer is met when using battery pack, the work requirements of high current charge-discharge.
Description
Technical field
The utility model relates to a kind of battery packs, belong to power tools technology field.
Background technique
Rechargeable battery pack is the power resources of Wireless Power Tools, these tools or instrument use multiple element cells,
Therefore multiple element cells are usually packaged into battery pack, then battery pack and the coupling of tool or instrument is installed to tool or instrument
On.Due to the presence of rechargeable battery internal resistance, need to send out heat in charge and discharge.
Battery and phase-change material directly contact in current battery pack structure, but battery and phase change material contacts are bad, electricity
The heat in pond cannot be quickly transmitted on phase-change material, and heat dissipation effect is not good enough.
Utility model content
The purpose of this utility model is to provide a kind of battery packs, so as to fast and effeciently radiate to battery, solve existing
The problem for having heat present in technology that cannot quickly pass on phase-change material.
In order to achieve the above objectives, the utility model provides the following technical solutions：
The utility model provides a kind of battery pack, including shell, is equipped with battery core group in the shell, the battery core group includes
Multiple element cells, the element cell are externally provided with flexible phase change layer in close contact therewith.
Further, the flexible phase change layer is at least partly closely coated on outside the element cell, to keep unit electric
Pond is integrally all closely attached with heat dissipating layer, and the heat of battery can be more rapidly transmitted on flexible phase change layer, drop battery rapidly
Temperature.
Further, the flexible phase change layer is made of flexible phase-change material, and flexible phase-change material has elasticity, can be by
Compression, so as to effectively absorb the heat of battery, fast and effeciently dissipates battery convenient for making it combine closely with battery
Heat.
Further, the flexible phase change layer includes flexible thermal conductive material layer and phase-change material layers, the flexibility heat conduction material
The side of the bed of material is connect with the element cell, and the other side of the flexibility thermal conductive material layer is connect with the phase-change material layers.
Heat Conduction Material is flexible, flexible, to be preferably bonded battery and phase-change material, keeps heat dissipation effect more preferable.
Further, it is also filled with phase-change material between the multiple element cell, heat dissipation effect can be made more preferable.
Further, the shell includes back stall and backpack cover, and the backpack cover is connect with the back stall, and the battery core group is located at
In the accommodating cavity that the back stall and the backpack cover are formed.
Further, the backpack cover is equipped with switch block, and the switch block is used to connect battery pack and purpose product
It connects.
Further, the switch block include button and with it at the clamping portion being flexibly connected, the button press or
It bounces, the clamping portion and purpose product is made to break off relations or be clamped.
Further, the interconnecting piece being flexibly connected with it is additionally provided on the button, one end of the interconnecting piece is threaded through
On button, the other end is by elastomeric element and the back stall at being flexibly connected.
Further, the circuit board connecting with the battery core group is additionally provided in the shell.
The beneficial effects of the utility model are：It since flexible phase change layer has elasticity, can be compressed, by by flexible phase
Change layer is closely attached on element cell, preferably it can be made to be bonded with battery, and the heat of battery can quickly be transmitted to scattered
On thermosphere, so that battery is cooled down rapidly, so as to fast and effeciently radiate to battery, plays the best performance of phase-change material, solve
Heat of having determined cannot be passed to quickly on phase-change material, can not make battery fast cooling, so that battery be made to heat up, battery be caused to be put not
It is electric out, the problem of can not meet work requirements, consumer is met when using battery pack, the work of high current charge-discharge needs
It asks.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the battery pack of the utility model embodiment；
Fig. 2 is the overall structure diagram of the battery pack of the utility model embodiment；
Fig. 3 is the rearview of the battery pack of the utility model embodiment；
Wherein：
1. shell, 101. back stalls, 102. backpacks cover, 103. switch blocks, 1031. buttons, 1032. clamping portions, 1033. connections
Portion, 1034. elastomeric elements, 104. circuit boards, 105. fuses, 2. element cells, 3. flexible thermal conductive material layers, 4. phase transformation materials
Material, 5. fixed frames.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, the battery pack of the utility model embodiment, including shell 1, shell 1 is interior to be equipped with battery core group, battery core group
Including multiple element cells 2, element cell 2 is externally provided with flexible phase change layer in close contact therewith.When it is implemented, flexible phase transformation
Layer can partially be coated on the maximum radiating area of element cell, and battery core group may include that 10 element cells, 2,10 element cells 2 are equal
It is located in shell 1 to even arrangement.
In the above-described embodiments, flexible phase change layer at least partly can be closely coated on outside element cell 2, to keep unit electric
Pond is integrally all closely attached with flexible phase change layer, and the heat of battery can be more rapidly transmitted on flexible phase change layer, make electricity rapidly
Pond cooling.
In the above-described embodiments, flexible phase change layer can be made of flexible phase-change material 4, and flexible phase-change material 4 has elasticity,
It can be compressed, convenient for making it combine closely with battery, so as to effectively absorb the heat of battery, fast and effeciently to electricity
Pond heat dissipation.
In the above-described embodiments, flexible phase change layer includes flexible thermal conductive material layer 3 and phase-change material layers, flexible Heat Conduction Material
The side of layer 3 is connect with element cell 2, and the other side of flexible thermal conductive material layer 3 is connect with phase-change material layers, and Heat Conduction Material is soft
Property, it is flexible, to be preferably bonded battery and phase-change material, keep heat dissipation effect more preferable.When it is implemented, flexible thermally conductive
Material layer 3 may be structured to annular, is adapted with the structure of the outer profile of element cell, is coated on element cell completely or partially
Outside, flexible thermal conductive material layer 3 can be made of heat conductive silica gel, and phase-change material layers can be elastic phase change layer or non-resilient phase change layer.
In the above-described embodiments, it can also be filled with phase-change material 4 between multiple element cells 2, heat dissipation effect can be made more
It is good.
In the above-described embodiments, as shown in Fig. 2, shell 1 includes back stall 101 and backpack cover 102, backpack cover 102 and back stall 101 connect
It connects, battery core group is located in the accommodating cavity that back stall 101 and backpack cover 102 are formed.When it is implemented, battery core group can pass through screw, buckle
Etc. modes be connected on back stall, so that entire battery pack is formed a compact structure, battery pack can whole squarely.
In the above-described embodiments, backpack cover 102 is equipped with switch block 103, and switch block 103 is used for battery pack and purpose
Product connection.
In the above-described embodiments, switch block 103 is pressed including button 1031 and with it at the clamping portion 1032 being flexibly connected
Button 1031 is pressed or is bounced, and clamping portion 1032 and purpose product is made to break off relations or be clamped.
In the above-described embodiments, the interconnecting piece 1033 being flexibly connected with it is additionally provided on button 1031, interconnecting piece 1033
One end is threaded through on button 1031, and the other end passes through elastomeric element 1034 with back stall 101 at being flexibly connected, thus by resetting bullet
Spring bounces the reset of the button pressed 1031.When it is implemented, elastomeric element 1034 be reset spring, one end of reset spring with
Interconnecting piece connection, the other end are connect with the fixed frame 5 being located in shell 1, and fixed frame 5 is located at the side of battery core group, and and back stall
101 connections.
In the above-described embodiments, as shown in figure 3, being additionally provided with the circuit board 104 connecting with battery core group in shell 1.It is specific real
Shi Shi is additionally provided with the fuse 105 connecting with battery core group in shell 1.Circuit board 104 and fuse 105 are located in shell 1,
With battery core group backwards to setting, and circuit board 104 and fuse 105 are respectively provided at two sides in shell 1.
To sum up, the beneficial effects of the utility model are：Due to flexible phase change layer have elasticity, can be compressed, pass through by
Flexible phase change layer is closely attached on element cell 2, preferably it can be made to be bonded with battery, and the heat of battery can be passed quickly
It leads on heat dissipating layer, so that battery is cooled down rapidly, so as to fast and effeciently radiate to battery, send out the best performance of phase-change material
It waves, solving heat cannot quickly pass on phase-change material, can not make battery fast cooling, so that battery be made to heat up, lead to electricity
The problem of electricity can not put in pond, can not meet work requirements meets consumer when using battery pack, the work of high current charge-discharge
Make demand.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of battery pack, including shell, which is characterized in that be equipped with battery core group in the shell, the battery core group includes multiple
Element cell, the element cell are externally provided with flexible phase change layer in close contact therewith.
2. battery pack according to claim 1, which is characterized in that the flexibility phase change layer is at least partly closely coated on institute
It states outside element cell.
3. battery pack according to claim 1 or 2, which is characterized in that the flexibility phase change layer is by flexible phase-change material system
At.
4. battery pack according to claim 1 or 2, which is characterized in that the flexibility phase change layer includes flexible Heat Conduction Material
The side of layer and phase-change material layers, the flexibility thermal conductive material layer is connect with the element cell, the flexibility thermal conductive material layer
The other side connect with the phase-change material layers.
5. battery pack according to claim 1 or 2, which is characterized in that be also filled with phase between the multiple element cell
Become material.
6. battery pack according to claim 1 or 2, which is characterized in that the shell includes back stall and backpack cover, the backpack cover
It is connect with the back stall, the battery core group is located in the accommodating cavity that the back stall and the backpack cover are formed.
7. battery pack according to claim 6, which is characterized in that the backpack cover is equipped with switch block, the switching group
Part is for battery pack to connect or disengage with purpose product.
8. battery pack according to claim 7, which is characterized in that the switch block includes button and connects with it at activity
The clamping portion connect, the button are pressed or are bounced, and the clamping portion and purpose product is made to break off relations or be clamped.
9. battery pack according to claim 8, which is characterized in that be additionally provided with the connection being flexibly connected with it on the button
The one end in portion, the interconnecting piece is threaded through on button, and the other end is by elastomeric element and the back stall at being flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525806.6U CN208173747U (en) | 2018-04-13 | 2018-04-13 | A kind of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525806.6U CN208173747U (en) | 2018-04-13 | 2018-04-13 | A kind of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173747U true CN208173747U (en) | 2018-11-30 |
Family
ID=64369319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820525806.6U Active CN208173747U (en) | 2018-04-13 | 2018-04-13 | A kind of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208173747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860454A (en) * | 2018-12-16 | 2019-06-07 | 北京工业大学 | A kind of synthesis battery thermal management method based on Electric radiant Heating Film and phase-change material |
-
2018
- 2018-04-13 CN CN201820525806.6U patent/CN208173747U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860454A (en) * | 2018-12-16 | 2019-06-07 | 北京工业大学 | A kind of synthesis battery thermal management method based on Electric radiant Heating Film and phase-change material |
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