CN205863246U - A kind of battery pack assembly - Google Patents
A kind of battery pack assembly Download PDFInfo
- Publication number
- CN205863246U CN205863246U CN201620698759.6U CN201620698759U CN205863246U CN 205863246 U CN205863246 U CN 205863246U CN 201620698759 U CN201620698759 U CN 201620698759U CN 205863246 U CN205863246 U CN 205863246U
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- CN
- China
- Prior art keywords
- base plate
- fixed frame
- battery pack
- pack assembly
- battery
- Prior art date
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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 pack assembly, the fixed frame including base plate, being arranged on described base plate and the battery modules being arranged in described fixed frame；The bottom of described fixed frame has bottom opening；The cooling line for coolant circulation it is provided with in described base plate；Described cooling line includes a total inlet and a total liquid outlet, and described total inlet and described total liquid outlet are all located at the outside of described fixed frame.By being directly integrated in the soleplate by cooling line, base plate is directly connected with fixed frame, simplifies the structure of battery bag, and is easy to assemble.By total inlet and total liquid outlet being all disposed within the outside of base plate, reduce the risk causing the short circuit of battery bag because revealing coolant.
Description
Technical field
This utility model relates to the electric power in electric automobile or hybrid vehicle or power supply equipment technical field, especially
It relates to a kind of battery pack assembly.
Background technology
Currently, new-energy automobile (such as, electric automobile or hybrid vehicle) typically use electrokinetic cell (to lead at present
If lithium ion battery) as power source.But due to the restriction of battery itself, the operating temperature of battery to battery performance, the life-span,
And safety has directly impact.
Battery, when temperature too low (such as ,-10 DEG C), does not allow charging or needs to limit power discharge, and in temperature mistake
Time high (such as, 50 DEG C), not only can affect the life-span of battery, also likely produce safety problem.
In prior art, the battery at new-energy automobile is wrapped, and has two kinds of modes cooled down: use air-cooled or use water
Cold.
Air-cooled battery bag, utilizes aerator to blast in battery bag by air by air channel, due to the coefficient of heat transfer of air
It is low, so the cooling effectiveness of air-cooled battery bag is low.
In the cooling structure of water-cooled battery bag, cooled plate and casing are separate, need to consider cooled plate and case
Body fixing, needs to consider the fixing of cooled plate and battery module, and the connection etc. between cooled plate and cooled plate.
In prior art, the connected mode interface of cooled plate is many, and each battery module is individually equipped with one piece of cooled plate, polylith
The connected modes using serial or parallel connection between cooled plate, its interface is more, and there is the risk of seal failure and leakage, nothing more
Shape too increases the complexity of assembling, amount of parts and cost etc..
Utility model content
The purpose of this utility model is to overcome defect of the prior art, it is provided that a kind of simple in construction, be easy to assemble, fall
The battery pack assembly of low short-circuit risks.
Technical solutions of the utility model provide a kind of battery pack assembly, including base plate, be arranged on described base plate fixing
Frame and the battery modules being arranged in described fixed frame；The bottom of described fixed frame has bottom opening；Set in described base plate
It is equipped with the cooling line for coolant circulation；Described cooling line includes a total inlet and a total liquid outlet, and institute
State total inlet and described total liquid outlet is all located at the outside of described base plate.
Further, the lower section at described base plate is provided with at least one of which thermal insulation board.
Further, described thermal insulation board is plastic plate.
Further, in described thermal insulation board, it is filled with foaming layer.
Further, described cooling line includes that a plurality of branch line, a plurality of described branch line are connected in parallel successively.
Further, between the bottom of described battery modules and described base plate, at least one of which heat conduction glue-line it is provided with.
Further, described fixed frame is provided with engraved structure.
Further, each described battery modules includes multiple battery core being cascaded.
Further, described base plate is provided with multiple described fixed frame, in each described fixed frame, arranges one
Described battery modules, two described fixed frames of arbitrary neighborhood are fixed together.
Use technique scheme, have the advantages that
By being directly integrated in the soleplate by cooling line, base plate is directly connected with fixed frame, simplifies the knot of battery bag
Structure, and be easy to assemble.
Total inlet and total liquid outlet are all located at plate outer side, without pipe interface in battery pack assembly, reduce because revealing
Coolant and cause battery bag short circuit risk.
Accompanying drawing explanation
The axonometric chart of the battery pack assembly that Fig. 1 provides for this utility model one embodiment；
Fig. 2 is the explosive view of the battery pack assembly shown in Fig. 1；
Fig. 3 is the schematic diagram of fixed frame；
Fig. 4 is the front view of the battery pack assembly shown in Fig. 1.
Reference synopsis:
1-base plate；2-fixed frame；21-bottom opening；
22-engraved structure；3-battery modules；4-cooling line；
41-branch line；5-thermal insulation board；6-foaming layer；
7-bolt.
Detailed description of the invention
Further illustrate detailed description of the invention of the present utility model below in conjunction with the accompanying drawings.The most identical parts phase
Same reference represents.It should be noted that the word "front", "rear" used in describing below, "left", "right", " on " and
D score refers to the direction in accompanying drawing, and word " interior " and " outward " refer respectively to the side towards or away from particular elements geometric center
To.
As Figure 1-4, a kind of battery pack assembly that this utility model one embodiment provides, including base plate 1, it is arranged on the end
Fixed frame 2 on plate 1 and the battery modules 3 being arranged in fixed frame 2.
The bottom of fixed frame 2 has bottom opening 21, is provided with the cooling line 4 for coolant circulation in base plate 1,
Cooling line 4 includes a total inlet and a total liquid outlet, and total inlet and total liquid outlet are all located at outside base plate 1
Side.
Fixed frame 2 is directly installed on base plate 1 by bolt 6, has bottom opening 21 bottom it, and battery modules 3 is installed
In fixed frame 2, the bottom of battery modules 3 is towards bottom opening 21, it is simple to heat radiation, and the bottom of battery modules 3 is also the end of towards
Plate 1, the bottom of battery modules 3 and base plate 1 are positioned at the both sides of bottom opening 21, can carry out heat exchange between the two.
In order to realize that battery modules 3 is cooled, in base plate 1, it is provided with cooling line 4, circulates for coolant,
To carry out heat exchange with battery modules 3, it is achieved the cooling effect to battery modules 3.By cooling line 4 is directly integrated in
In base plate 1, base plate 1 is directly connected with fixed frame 2, simplifies the structure of battery bag, and is easy to assemble.
In order to reduce the risk causing the short circuit of battery bag because revealing coolant, cooling line 4 is only arranged one and always enters
Liquid mouth and a total liquid outlet, and total inlet and total liquid outlet are all disposed within the outside of base plate 1, it is to avoid because connecing in inside
Manage and cause coolant leakage to cause the risk of short circuit.
Coolant can be cold water.Base plate 1 is overall uses aluminium section bar by extruding one-shot forming, and technological process is the simplest
Single.
It is preferred that as in figure 2 it is shown, be provided with at least one of which thermal insulation board 5 in the lower section of base plate 1 so that battery pack assembly
Bottom is heat insulation with the external world, and the cooling line 4 in base plate 1 only carries out heat exchange with battery modules 3, reduces thermal losses.
Preferably, thermal insulation board 5 is plastic plate, it is simple to draw materials, lightweight construction, and good heat-insulation effect.Thermal insulation board 5 uses
Composite alleviates weight, uses splicing or bolt to fix with base plate 1.
It is preferred that be filled with foaming layer 6 in thermal insulation board 5, foaming layer 6 is formed after being foamed by expanded material, foaming layer 6
It is filled in thermal insulation board 5, plays sound-insulating and heat-insulating and cushioning effect.
It is preferred that as shown in Figure 4, cooling line 4 includes a plurality of branch line 41, and a plurality of branch line 41 is in parallel successively to be connected
Connecing, the optional position that a plurality of branch line 41 can be arranged in base plate 1 expands film-cooled heat.
About the half of a diameter of base plate 1 thickness of branch line 41, inside battery pack assembly, there is not any turnover
Liquid mouth, only has a total inlet and a total liquid outlet outside battery pack assembly, thus greatly reduces in battery pack assembly
The pipeline structure in portion, and reduce the short-circuit equivalent risk that the leakage of battery bag internal duct causes.
It is preferred that be provided with at least one of which heat conduction glue-line between the bottom of battery modules 3 and base plate 1, improve battery
The heat exchange efficiency between battery core and base plate 2 in module 3, and make the heat radiation of each battery core evenly.
It is preferred that as it is shown on figure 3, be provided with engraved structure 22 on fixed frame 2.Fixed frame 2 uses corrosion resistant plate, and arranges
Engraved structure 21, such as hole, mouth etc., on the premise of not affecting structural strength, alleviate weight, and the bottom of fixed frame 2 only exists
Both sides are provided with steel plate, the battery core in self-contained battery module 3, and mid portion does not has base plate to be bottom opening 21, are beneficial to electricity
Core bottom heat radiation.
It is preferred that each battery modules 3 includes multiple battery core being cascaded, can be assembled into as required and have not
With capacity cell module, meet different vehicle demands.
It is preferred that as shown in Figure 1-2, base plate 1 is provided with multiple fixed frame 2, in each fixed frame 2, arranges one
Battery modules 3, two fixed frames 2 of arbitrary neighborhood are fixed together.Multiple battery modules 3 share one piece of base plate 1, use one piece
Cooling line 4 in base plate carries out cooling down, it is not necessary to is connected in series by different base plates, simplifies structure, and improve
Sealing property.
In sum, the battery pack assembly that this utility model provides, by being integrated in base plate by cooling line, drops significantly
Low system complexity, decreases number of parts, reduces cost, and improve heat transfer efficiency.Its outside base plate only
There is a total entry/exit liquid mouth, greatly reduce the risk that sealing joint lost efficacy and revealed.By adding thermal insulation board, foaming layer, make
The cooling line obtained in base plate prevents stone from hitting with extraneous heat-insulating sound-insulating, the shock-absorbing capacity utilizing expanded material excellent simultaneously, protection
Battery pack assembly.
As required, above-mentioned each technical scheme can be combined, to reach best-of-breed technology effect.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that, for this area is general
For logical technical staff, on the basis of this utility model principle, it is also possible to make other modification some, also should be regarded as this practicality
Novel protection domain.
Claims (9)
1. a battery pack assembly, it is characterised in that include base plate, the fixed frame being arranged on described base plate and be arranged on described
Battery modules in fixed frame；
The bottom of described fixed frame has bottom opening；
The cooling line for coolant circulation it is provided with in described base plate；
Described cooling line includes a total inlet and a total liquid outlet, and described total inlet and described total liquid outlet are all
It is positioned at the outside of described base plate.
Battery pack assembly the most according to claim 1, it is characterised in that the lower section of described base plate is provided with at least one of which
Thermal insulation board.
Battery pack assembly the most according to claim 2, it is characterised in that described thermal insulation board is plastic plate.
4. according to the battery pack assembly described in Claims 2 or 3, it is characterised in that be filled with foaming layer in described thermal insulation board.
Battery pack assembly the most according to claim 1, it is characterised in that described cooling line includes a plurality of branch line,
A plurality of described branch line is connected in parallel successively.
Battery pack assembly the most according to claim 1, it is characterised in that at the bottom of described battery modules and described base plate
Between be provided with at least one of which heat conduction glue-line.
Battery pack assembly the most according to claim 1, it is characterised in that be provided with engraved structure on described fixed frame.
Battery pack assembly the most according to claim 1, it is characterised in that each described battery modules includes multiple being connected on
Battery core together.
9. according to the battery pack assembly described in any claim in claim 1-3, it is characterised in that set on described base plate
It is equipped with multiple described fixed frame, a described battery modules is set in each described fixed frame, described in two of arbitrary neighborhood
Fixed frame is fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698759.6U CN205863246U (en) | 2016-07-05 | 2016-07-05 | A kind of battery pack assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698759.6U CN205863246U (en) | 2016-07-05 | 2016-07-05 | A kind of battery pack assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863246U true CN205863246U (en) | 2017-01-04 |
Family
ID=57645456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620698759.6U Active CN205863246U (en) | 2016-07-05 | 2016-07-05 | A kind of battery pack assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863246U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293823A (en) * | 2017-07-03 | 2017-10-24 | 北京智行鸿远汽车有限公司 | A kind of battery bag liquid cooling system |
| WO2018040901A1 (en) * | 2016-08-31 | 2018-03-08 | 比亚迪股份有限公司 | Tray assembly for automobile use, battery pack body for automobile use and automobile |
| CN109411661A (en) * | 2018-11-08 | 2019-03-01 | 河南速达电动汽车科技有限公司 | Electric vehicle and its battery box body, battery case |
| CN109524746A (en) * | 2018-11-21 | 2019-03-26 | 山推工程机械股份有限公司 | A kind of heat radiating system for battery pack and control method |
| CN109891626A (en) * | 2017-06-22 | 2019-06-14 | 株式会社Lg化学 | Battery pack |
| CN110416660A (en) * | 2019-08-26 | 2019-11-05 | 天津鹏翎集团股份有限公司 | Battery pack cooling line and battery pouring-basket cooling system |
| CN111987248A (en) * | 2019-05-21 | 2020-11-24 | 比亚迪股份有限公司 | Power battery package and vehicle |
-
2016
- 2016-07-05 CN CN201620698759.6U patent/CN205863246U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040901A1 (en) * | 2016-08-31 | 2018-03-08 | 比亚迪股份有限公司 | Tray assembly for automobile use, battery pack body for automobile use and automobile |
| JP2019531955A (en) * | 2016-08-31 | 2019-11-07 | ビーワイディー カンパニー リミテッド | Tray assembly for automobile, battery pack for automobile, and automobile |
| US10720680B2 (en) | 2016-08-31 | 2020-07-21 | Byd Company Limited | Tray assembly for automobile use, battery pack body for automobile use and automobile |
| CN109891626A (en) * | 2017-06-22 | 2019-06-14 | 株式会社Lg化学 | Battery pack |
| CN109891626B (en) * | 2017-06-22 | 2021-11-16 | 株式会社Lg化学 | Battery pack |
| US11342621B2 (en) | 2017-06-22 | 2022-05-24 | Lg Energy Solution, Ltd. | Battery pack |
| CN107293823A (en) * | 2017-07-03 | 2017-10-24 | 北京智行鸿远汽车有限公司 | A kind of battery bag liquid cooling system |
| CN109411661A (en) * | 2018-11-08 | 2019-03-01 | 河南速达电动汽车科技有限公司 | Electric vehicle and its battery box body, battery case |
| CN109524746A (en) * | 2018-11-21 | 2019-03-26 | 山推工程机械股份有限公司 | A kind of heat radiating system for battery pack and control method |
| CN109524746B (en) * | 2018-11-21 | 2022-02-11 | 山推工程机械股份有限公司 | Battery pack heat dissipation system and control method |
| CN111987248A (en) * | 2019-05-21 | 2020-11-24 | 比亚迪股份有限公司 | Power battery package and vehicle |
| CN110416660A (en) * | 2019-08-26 | 2019-11-05 | 天津鹏翎集团股份有限公司 | Battery pack cooling line and battery pouring-basket cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |