CN108075065A - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN108075065A CN108075065A CN201611014694.XA CN201611014694A CN108075065A CN 108075065 A CN108075065 A CN 108075065A CN 201611014694 A CN201611014694 A CN 201611014694A CN 108075065 A CN108075065 A CN 108075065A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- liquid cooling
- cooling pipe
- battery
- pallet
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 present invention relates to the fields of battery cooling technology, provide battery pack, including pallet, battery pack and liquid cooling pipe, battery pack is mounted on pallet, battery pack includes outer framework and several single batteries, and the bottom of outer framework is provided with installation cavity, and liquid cooling pipe is at least partially housed in installation cavity.During work, above-mentioned battery pack passes through reasonable Arrangement liquid cooling pipe, the liquid cooling pipe in installation cavity is enable to take away the heat of single battery, effective heat management is carried out so as to fulfill to power battery, battery pack is made to keep temperature consistency, for the prior art that compares, which obviate due to using air-cooled structure and cooling efficiency is low, can not meet the problem of demand for security, avoid due to the problem of causing the complicated, battery pack that can not freely arrange using liquid cooling structure.
Description
Technical field
Field more particularly to battery pack the invention belongs to battery cooling technology.
Background technology
With advances in technology, the raising of electric vehicle continual mileage needs power battery that can provide more continuations of the journey
Ability, big energy and powerful battery will be widely used.When using powerful power battery, the temperature of power battery
It rises greatly, in order to avoid excessive temperature rises the normal work for influencing power battery, it is necessary to be cooled down to power battery.
There are mainly two types of modes for the existing cooling to power battery：The first, is using air-cooled structure, but its cooling efficiency
It is low, demand for security can not be met；Second, using liquid cooling structure, but its is complicated, interior in a limited space can not freely arrange
Cloth battery pack.
The content of the invention
It is an object of the invention to provide battery packs, it is intended to solve that existing cooling structure efficiency is low, can not meet safe need
Ask, it is complicated and can not freely arrange battery pack the problem of.
In order to solve the above technical problems, the present invention provides battery packs, including pallet, battery pack and liquid cooling pipe, the electricity
Pond group is mounted on the pallet, and the battery pack includes outer framework and several single batteries being arranged in the outer framework,
The bottom of the outer framework is provided with installation cavity, and the liquid cooling pipe is at least partially housed in the installation cavity.
Further, the liquid cooling pipe is between the bottom of the outer framework and the upper surface of the pallet, the liquid
Cold pipe is set adjacent to the single battery.
Further, the outer framework includes multiple unit frameworks side by side, often solid between the adjacent two unit frameworks
Surely there is a single battery.
Further, the lower end opposite sides of each unit framework is provided with bearing platform, the same unit framework
Installation gap is formed between the bearing platform of both sides, multiple installation gaps form the installation cavity.
Further, it is formed with and is used to support in the support feet on the pallet on the downside of the bearing platform.
Further, the inside of each unit framework is equipped with to limit the separation of the single battery installation site
Item forms the cavity for being used for inserting for a single battery between adjacent two divider.
Further, heat-conducting layer is equipped between the liquid cooling pipe and the battery pack.
Further, the heat-conducting layer is the heat-conducting glue or leading outside the liquid cooling pipe for being applied to the liquid cooling pipe periphery
Heat pad.
Further, the shape of the liquid cooling pipe is in flat.
Further, support plate is provided on the pallet, the liquid cooling pipe is mounted in the support plate.
Further, it is provided with to install the groove of liquid cooling pipe in the support plate.
Further, the support plate be at least partially housed in it is described installation cavity in.
Further, heat insulation foam is equipped between the liquid cooling pipe and the support plate.
Further, heat insulation foam is equipped between the liquid cooling pipe and the support plate.
The advantageous effect of battery pack provided by the invention：
Since above-mentioned battery pack employs pallet, battery pack and liquid cooling pipe, battery pack is mounted on pallet, and battery
Group includes outer framework and several single batteries, and the bottom of outer framework is provided with installation cavity, and liquid cooling pipe is at least partially housed in peace
It fills in cavity, in this way, above-mentioned battery pack, fully and rationally using battery pack inner space, is having by reasonable Arrangement liquid cooling pipe
The cooling structure of better performances in the space of limit is set, the liquid cooling pipe in installation cavity is enable to take away the heat of single battery,
Effective heat management is carried out so as to fulfill to power battery, battery pack is made to keep temperature consistency, for the prior art that compares,
Which obviate due to using air-cooled structure and cooling efficiency is low, can not meet the problem of demand for security, avoid due to using liquid
Air-cooled structure and the problem of cause the complicated, battery pack that can not freely arrange.
Description of the drawings
Fig. 1 is the structure diagram of battery pack provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of the liquid cooling pipe of battery pack provided in an embodiment of the present invention；
Fig. 3 is the sectional view of the liquid cooling pipe of battery pack provided in an embodiment of the present invention；
Fig. 4 is another structure diagram of battery pack provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of battery pack provided in an embodiment of the present invention；
Fig. 6 is the structure diagram of the outer framework of battery pack provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figs. 1 to 6, it is preferred embodiment provided by the invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It should also be noted that, the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or
Using the normal operating condition of product as reference, and should not be regarded as restrictive.
As shown in Figures 1 to 4, battery pack 10 provided in this embodiment, including pallet 13, battery pack 22 and liquid cooling pipe 11,
Battery pack 22 is mounted on pallet 13, and battery pack 22 includes outer framework 21 and several single batteries being arranged in outer framework 21
221, the bottom of outer framework 21 is provided with installation cavity, and liquid cooling pipe 11 is at least partially housed in installation cavity.Need what is illustrated
It is that the battery pack 22 can be applied to the power battery on electric vehicle.
As shown in Figures 1 to 4, since above-mentioned battery pack 10 employs pallet 13, battery pack 22 and liquid cooling pipe 11, by electricity
Pond group 22 is mounted on pallet 13, and battery pack 22 includes outer framework 21 and several single batteries 221, and the bottom of outer framework 21 is set
Installation cavity is equipped with, liquid cooling pipe 11 is at least partially housed in installation cavity, in this way, above-mentioned battery pack 10 passes through reasonable Arrangement liquid
Cold pipe 11 enables the liquid cooling pipe 11 in installation cavity to take away the heat of single battery 221, is carried out so as to fulfill to power battery
Effective heat management makes battery pack 22 keep temperature consistency, for the prior art that compares, which obviates due to using air-cooled
Structure and cooling efficiency is low, can not meet the problem of demand for security, avoid due to using liquid cooling structure and cause it is complicated,
Can not freely arrange battery pack 22 the problem of.
Pallet 13 can be composed of polylith daughter backplane, while daughter backplane can select hollow structure.Polylith daughter backplane
Combination forms pallet 13, maximumlly reduces the preparation difficulty of tray substrate, improves its composability and scalability；And
On the one hand the daughter backplane of hollow structure can improve whole weight, mitigate the quality of battery pack, on the other hand can be in bottom
When hitting, certain cushioning effect is provided, avoiding battery pack that grade on fire occurs when directly being hit, other are dangerous.
Certainly, the trend of liquid cooling pipe 11, the arrangement mode of battery pack 22, those skilled in the art can be according to battery packs
Overall structure requirement, space requirement designed accordingly；As shown in Figure 1, liquid cooling pipe 11 is along perpendicular to 13 length of pallet
The orientation in (left and right directions) direction is set, in this way, can facilitate the installation and fixation of battery pack 22, also allows for interior liquid cooling pipe 11
Adjustment and detailed design.
Refinement ground, in order to which liquid cooling pipe 11 can preferably take away the heat of single battery 221, liquid cooling pipe 11 is located at outer framework
Between 21 bottom and the upper surface of pallet 13, liquid cooling pipe 11 is set adjacent to single battery 221.
Refinement ground, fixed in order to facilitate installation of the single battery 221 in outer framework 21, outer framework 21 include it is multiple side by side
Unit framework 211, be fixed with a single battery 221 per between the adjacent framework of Unit two 211.
As shown in Figure 5 and Figure 6, unit framework 211 is arranged side by side, and forms the outer framework 21 of battery pack；Two neighboring unit
Between framework 211, the structures such as buckle may be employed and be mutually permanently connected.On the one hand, the design of this unit framework, can be with
Simplify assembling process；On the other hand, the scalability of battery pack can be improved.It is needing to increase or reduce battery pack volume or appearance
In the case of amount, adjustment unit framework 211 and therebetween single battery 221 are only needed.
For the ease of outer framework 21 in the installation on pallet 13, the lower end opposite sides of each unit framework 211 is provided with
Bearing platform 2111 is formed with installation gap 2113, multiple installation gaps between the bearing platform 2111 of same 211 both sides of unit framework
2113 form installation cavity.It is put it should be noted that unit framework 211 in Fig. 6 is refered in particular in the lower end of each unit framework 211 in this
Lower end under configuration state refers to unit framework 211 adjacent to the one end on 13 surface of pallet.The design of bearing platform 2111, on the one hand
Presence to install cavity provides suitable supporting and space；On the other hand, also by the setting of bearing platform 2111 so that battery
Group is easier to be installed and fixed with pallet 13.
For the ease of outer framework 21 in the support on pallet 13, the downside of bearing platform 2111, which is formed with, to be used to support in pallet
Support feet 2112 on 13.
In order to enable single battery 221 is preferably fixed in unit framework 211, the inside of each unit framework 211 is set
The divider 2114 of limitation 221 installation site of single battery is useful for, is formed and is used for for one between adjacent two divider 2114
The cavity that single battery 221 is inserted.
It is equipped with that fixed fixed structure, such as buckle structure are mutually installed between adjacent cells framework 211, it is multiple
Unit framework 211 passes sequentially through fixed structure and fixes to form entire outer framework 21, is limited between two neighboring unit framework 211
Accommodate the space of single battery 221.Fixed structure may be employed kinds of schemes and realize, such as screw nut etc., specifically, this reality
It applies in example, convex block 2115 and clamp 2116 is equipped on 211 side wall of unit framework, clamp 2116 is equipped with and is put for convex block 2115
Enter the card hole 2117 of clamping, each unit framework 211 successively blocks its clamp 2116 and the convex block 2115 of adjacent unit framework 211
Firmly coordinate, you can realization interfixes.
As shown in Figures 1 to 4, in order to improve the heat conduction velocity and efficiency between liquid cooling pipe 11 and battery pack 22, liquid is cold
Heat-conducting layer 12 is equipped between pipe 11 and battery pack 22.
Refinement ground, heat-conducting layer 12 are the heat-conducting glue or the heat conductive pad outside liquid cooling pipe 11 for being applied to 11 periphery of liquid cooling pipe.Into
Step refining, heat-conducting glue or heat conductive pad can be made of epoxy resin or silicon rubber.Further, since the setting of heat-conducting layer 12,
Can avoid contacting directly for battery pack 22 and liquid cooling pipe 11, thus can effectively prevent liquid cooling pipe 11 and battery pack 22 from contacting directly and
Caused friction improves whole safety and reliability.
As shown in Figures 1 to 4, for contact of the liquid cooling pipe 11 with battery pack 22 of being more convenient for, the shape of liquid cooling pipe 11 is in flat
It is flat-shaped.In this way, when being contacted in flat liquid cooling pipe 11 with battery pack 22, the contact with battery pack 22 of liquid cooling pipe 11 will be increased
Area is conducive to liquid cooling pipe 11 and radiates to battery pack 22.
For the ease of the heat of battery pack 22 is distributed, liquid cooling pipe 11 can be according to battery pack 22 in the row of outer framework 21
Cloth situation is arranged, and specifically, the bending of liquid cooling pipe 11 extends to form M shapes, U-shape or S-shaped shape.In this way, in M shapes, U-shaped
Shape or the liquid cooling pipe 11 of S-shaped shape bending extension will preferably match battery group 22, be conducive to carry out effective heat to battery pack 22
Management makes battery pack 22 keep temperature consistency.Certainly, in other embodiment, the bending of liquid cooling pipe 11 extension shape and not only
It is limited to M shapes, U-shape or S-shaped shape, shape can be set according to the deployment scenarios of actual battery group 22.
As shown in Figures 1 to 4, for the ease of putting liquid cooling pipe 11, pallet 13 is equipped with support plate 14, and liquid cooling pipe 11 is installed
In support plate 14.In this way, support plate 14 will form powerful support to liquid cooling pipe 11.
In order to further form strong support to liquid cooling pipe 11, as shown in Figures 1 to 4, support plate 14, which is equipped with, to be used
In the groove (not shown) of installation liquid cooling pipe 11.In this way, liquid cooling pipe 11 will be fixedly supported in groove, it can prevent that liquid is cold
What pipe 11 caused to fracture due to excessive rock in use happens, and improves overall security.In addition, support plate 14
(such as PPO) is prepared using engineering plastics, the heat that can effectively obstruct between pallet 13 and liquid cooling pipe 11 inversely transfers, and improves entire
The heat-conducting effect of battery pack 10.
It should be noted that PPO, Chinese is polyphenylene oxide, English name：Polyphenylene Oxide, PPO are five
One of big general engineering plastic, it has many advantages, such as that rigidity is big, heat resistance is high, fire retardant, intensity is excellent compared with high electrical performance.
Refinement ground, support plate 14 are at least partially housed in installation cavity.Herein, Ke Yishi, 14 part of support plate are held
Be contained in installation cavity in or, support plate 14 be entirely accommodated in installation cavity in.
As shown in Figures 1 to 4, in order to further prevent the reverse transmission of heat, between liquid cooling pipe 11 and support plate 14
Equipped with heat insulation foam 15, in this way, the upper end of liquid cooling pipe 11 sets heat-conducting layer 12, and the lower end of liquid cooling pipe 11 sets heat insulation foam 15, liquid
The upper end of cold pipe 11 will be beneficial to heat transfer, and the lower end of liquid cooling pipe 11 will be unfavorable for heat transfer.In addition, heat insulation foam 15 is set
It puts, is conducive to form buffering between liquid cooling pipe 11 and support plate 14, and prevents long-term between liquid cooling pipe 11 and support plate 14
Friction.
As shown in Figure 1, support plate 14 can select to be arranged in a combination by the sub- support plate of polylith, the peace of plate 14 easy to support
Dress and design.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.
Claims (13)
1. battery pack, which is characterized in that including pallet, battery pack and liquid cooling pipe, the battery pack is mounted on the pallet, institute
Stating battery pack includes outer framework and several single batteries being arranged in the outer framework, and the bottom of the outer framework is provided with peace
Cavity is filled, the liquid cooling pipe is at least partially housed in the installation cavity.
2. battery pack as described in claim 1, which is characterized in that the liquid cooling pipe be located at the bottom of the outer framework with it is described
Between the upper surface of pallet, the liquid cooling pipe is set adjacent to the single battery.
3. battery pack as claimed in claim 1 or 2, which is characterized in that the outer framework includes multiple unit frameworks side by side,
A single battery is fixed between per the adjacent two unit frameworks.
4. battery pack as claimed in claim 3, which is characterized in that the lower end opposite sides of each unit framework is provided with
Bearing platform is formed with installation gap, multiple installation gap shapes between the bearing platform of the same unit framework both sides
Into the installation cavity.
5. battery pack as claimed in claim 4, which is characterized in that be formed with and be used to support in described on the downside of the bearing platform
Support feet on pallet.
6. battery pack as claimed in claim 3, which is characterized in that the inside of each unit framework is equipped with for limiting
The divider of single battery installation site is stated, is formed to insert for a single battery between adjacent two divider
Cavity.
7. battery pack as claimed in claim 1 or 2, which is characterized in that be equipped with and lead between the liquid cooling pipe and the battery pack
Thermosphere.
8. battery pack as claimed in claim 7, which is characterized in that the heat-conducting layer is the heat conduction for being applied to the liquid cooling pipe periphery
Glue or the heat conductive pad outside the liquid cooling pipe.
9. battery pack as claimed in claim 1 or 2, which is characterized in that the shape of the liquid cooling pipe is in flat.
10. battery pack as described in claim 1, which is characterized in that support plate, the liquid cooling pipe peace are provided on the pallet
In the support plate.
11. battery pack as claimed in claim 10, which is characterized in that be provided with to install liquid cooling pipe in the support plate
Groove.
12. the battery pack as described in claim 10 or 11, which is characterized in that being at least partially housed in for the support plate is described
It installs in cavity.
13. battery pack as claimed in claim 10, which is characterized in that be equipped between the liquid cooling pipe and the support plate heat-insulated
Cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014694.XA CN108075065A (en) | 2016-11-18 | 2016-11-18 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014694.XA CN108075065A (en) | 2016-11-18 | 2016-11-18 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108075065A true CN108075065A (en) | 2018-05-25 |
Family
ID=62159977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611014694.XA Pending CN108075065A (en) | 2016-11-18 | 2016-11-18 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108075065A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311077A (en) * | 2019-08-06 | 2019-10-08 | 天津安时能源科技有限公司 | A kind of liquid cooling battery module that safety is good |
| CN111326826A (en) * | 2020-03-27 | 2020-06-23 | 泰铂（上海）环保科技股份有限公司 | Photo frame for thermal management of lithium ion soft-packaged battery cell |
| CN112026543A (en) * | 2019-01-09 | 2020-12-04 | 比亚迪股份有限公司 | Power battery pack, energy storage device and electric vehicle |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026543A (en) * | 2019-01-09 | 2020-12-04 | 比亚迪股份有限公司 | Power battery pack, energy storage device and electric vehicle |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
| CN110311077A (en) * | 2019-08-06 | 2019-10-08 | 天津安时能源科技有限公司 | A kind of liquid cooling battery module that safety is good |
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| CN111326826A (en) * | 2020-03-27 | 2020-06-23 | 泰铂（上海）环保科技股份有限公司 | Photo frame for thermal management of lithium ion soft-packaged battery cell |
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