CN207624861U - A kind of battery pack - Google Patents
A kind of battery pack Download PDFInfo
- Publication number
- CN207624861U CN207624861U CN201721356434.0U CN201721356434U CN207624861U CN 207624861 U CN207624861 U CN 207624861U CN 201721356434 U CN201721356434 U CN 201721356434U CN 207624861 U CN207624861 U CN 207624861U
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- Prior art keywords
- pair
- several
- fan
- battery
- heat exchanger
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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
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Abstract
The utility model discloses a kind of battery pack, including battery case, battery modules and radiating subassembly, and battery case includes babinet and case lid, and babinet includes bottom wall and several side walls, and bottom wall encloses the receiving space for setting and being formed and placing battery modules with side wall；Radiating subassembly includes heat exchanger plates and several fans；Heat exchanger plates are set to an inside sidewalls and are equipped with several interior radiating fins and several outer radiating fins；Several fans include a pair of first fan, a pair of second fan and several third fans, a pair of first fan is set to the both ends of outer radiating fin, a pair of second fan is set to the both ends of interior radiating fin, third fan is set to the one end of interior radiating fin far from heat exchanger plates and one end of face battery modules, compared with prior art, the beneficial effects of the utility model are：The wind direction of first fan and the second fan carry out samming on the contrary, can effectively give inside battery case, heat exchanger plates are equipped with PTC heating plates and will heat and refrigeration together as one, simple and reliable for structure to be conducive to reduce cost.
Description
【Technical field】
The utility model is related to health care fields, are specifically related to a kind of battery pack.
【Background technology】
As constantly consuming for non-renewable resources is increasingly prominent with environmental problem, electric vehicle develops very in recent years
Rapidly.The core of electric vehicle is the battery pack as power source, and battery pack is made up in groups of a large amount of lithium ion batteries, to obtain
Enough power drives electric vehicle to travel.However, lithium ion battery generates a large amount of heat in powerful charge and discharge process
Amount, and a large amount of lithium ion batteries are even more the accumulation conducive to heat in groups, cause the hot-spot or non-uniform temperature of battery pack, from
And lead to battery performance degradation and capacity attenuation, even resulting in battery thermal runaway causes safety accident, therefore to battery pack
It is essential radiate.The radiator structure of current battery packet is mainly air-cooled and two kinds of liquid cooling, the former needs complicated air duct
It just can guarantee even temperature effect and radiating efficiency be relatively low, once the latter's radiating efficiency is high but complicated pipeline breakage will give battery pack band
Carry out serious security risk.
In consideration of it, it is really necessary to provide a kind of novel battery pack with overcome the deficiencies in the prior art.
【Utility model content】
The purpose of this utility model is to provide a kind of battery pack, and the performance with high efficiency and heat radiation simultaneously ensures that battery pack is integrally equal
Temperature.
To achieve the goals above, the utility model provides a kind of battery pack, including battery case, battery modules and heat dissipation group
Part, the battery case include the babinet of one end open and the case lid for being covered on the box opening, and the babinet includes bottom wall
And several side walls extended to form from bottom wall edge, the bottom wall enclose the receipts for setting and being formed and placing the battery modules with the side wall
Hold space, the battery modules are set in the receiving space and both ends and a pair of sidewalls interval of the babinet and are arranged；It is described
Radiating subassembly includes heat exchanger plates and several fans；The heat exchanger plates are installed in one and the spaced side wall of the battery modules
Inside and be equipped with several interior radiating fins and several outer radiating fins, several interior radiating fins be set to the heat exchanger plates court
To the side of the battery modules, it is opposite with several interior radiating fins that several outer radiating fins are set to the heat exchanger plates
Side and be pierced by corresponding side wall；Several fans include a pair of first fan, a pair of second fan and several third wind
Fan, the pair of first fan are set to the both ends of several outer radiating fins, and the pair of second fan is set to described several
The both ends of interior radiating fin, several third fans are set to the described several one end of interior radiating fin far from the heat exchanger plates simultaneously
One end of battery modules described in face.
As a kind of improvement of the utility model battery pack, wind direction between the pair of first fan and the pair of the
Wind direction between two fans is opposite.
As a kind of improvement of the utility model battery pack, the radiating subassembly further includes a wind scooper, the wind-guiding
The both ends open of cover is simultaneously connected with the heat exchanger plates and covers several outer radiating fins, and the pair of first fan is set respectively
In two openings of the wind scooper.
As a kind of improvement of the utility model battery pack, the pair of first fan is drip-proof fan.
As a kind of improvement of the utility model battery pack, the side of the heat exchanger plates towards the battery modules is pasted with
A pair of of PTC heating plates, and the pair of PTC heating plates are located at the both sides of several interior radiating fins.
Further include BMS modules as a kind of improvement of the utility model battery pack, the BMS modules are electrically connected the electricity
Pond module and the radiating subassembly, and the BMS modules control described dissipate by detecting the state of temperature of the battery modules
A pair of of PTC heating plates in hot component are heated or stop heating.
As a kind of improvement of the utility model battery pack, the BMS modules are equipped with the first temperature threshold and second temperature
Threshold value, and first temperature threshold is less than second temperature threshold value；The BMS modules detect that the temperature of the battery modules is small
The pair of PTC heating plates are controlled when first temperature threshold to carry out heating and be more than institute in the temperature of the battery modules
The pair of PTC heating plates are controlled when stating second temperature threshold value stops heating.
Compared with prior art, the advantageous effect of battery pack provided by the utility model is：The wind direction of first fan with
Second fan carries out samming on the contrary, can effectively give inside battery case, heat exchanger plates will be heated equipped with PTC heating plates and refrigeration collection
It is integrated, it is simple and reliable for structure and conducive to reducing cost.
【Description of the drawings】
Fig. 1 is the stereogram of the utility model battery pack；
Fig. 2 is the stereogram that battery modules and radiating subassembly are connect with battery case shown in Fig. 1；
Fig. 3 is the stereogram of radiating subassembly shown in Fig. 1；
Fig. 4 is heat exchanger plates shown in Fig. 1 and outer radiating fin and the stereogram of interior radiating fin.
【Specific implementation mode】
It is clear in order to make the purpose of this utility model, technical solution and advantageous effects be more clear, below in conjunction with attached
Figure and specific implementation mode, the present invention will be further described in detail.It should be understood that described in this specification
Specific implementation mode is not intended to limit the utility model just for the sake of explaining the utility model.
It please refers to Fig.1 and Fig. 2, a kind of battery pack 100 provided by the utility model, including battery case 10, battery modules 20
And radiating subassembly 30.The battery modules 20 are set in the battery case 10, and the radiating subassembly 30 is installed in the battery case
10 one end.
The babinet 101 of the battery case 10 including one end open and the case lid 102 for being covered on 101 opening of the babinet,
The babinet 101 includes bottom wall 1011 and several side walls 1012 for being extended to form from 1011 edge of bottom wall, the bottom wall 1011 with
The side wall 1012 encloses the receiving space 103 for setting and being formed and placing the battery modules 20.In the present embodiment, the battery case
10 are installed and used with facilitating in a rectangular parallelepiped shape with the battery modules 20, and the battery modules 20 are set to the receiving space
In 103 and both ends and the interval of a pair of sidewalls 1012 of the babinet 101 are arranged, so that the air in the battery case 10 carries out
It circulates.
Fig. 3 and Fig. 4 is please also refer to, the radiating subassembly 30 includes heat exchanger plates 301 and several fans 302, the battery
Air in case 10 circulated under the action of several fans 302 and through the heat exchanger plates 301 and external air into
Row heat exchange is to achieve the purpose that give the battery modules 20 cooling and heat dissipation.
Specifically, the heat exchanger plates 301 be installed in one it is interior with 20 spaced side wall 1012 of the battery modules
Side is simultaneously equipped with several interior radiating fins 3011 and several outer radiating fins 3012, and several interior radiating fins 3011 are set to described
Heat exchanger plates 301 are set to the heat exchanger plates 301 and institute towards the side of the battery modules 20, several outer radiating fins 3012
It states the opposite side of several interior radiating fins 3011 and is pierced by corresponding side wall 1012.In the present embodiment, the heat exchanger plates
301 using alumina-base material and pass through integrated molding with several outer radiating fins 3012 and several interior radiating fins 3011
It is fabricated, to obtain good thermal conductivity, and the moulding process maturation of alumina-base material is conducive to reduce cost.
Several fans 302 include a pair of first fan 3021, a pair of second fan 3022 and several third fans
3023, the pair of first fan 3021 is set to the both ends of several outer radiating fins 3012, the pair of second fan
3022 are set to the both ends of several interior radiating fins 3011, and several third fans 3023 are set to several interior heat radiating fins
One end of battery modules 20 described in the one end of piece 3011 far from the heat exchanger plates 301 and face.In the present embodiment, if it is described
Air inside the battery modules 20 is blowed to several interior radiating fins 3011 with by the electricity by dry third fan 3023
Again through heat exchanger plates 301 and described several outer in the heat transfer to several interior radiating fins 3011 that pond module 20 generates
Radiating fin 3012 and the extraneous air of the battery case 10 carry out heat exchange, and the pair of first fan 3021 blows the electricity
The extraneous air of pond case 10 with generate flow through the circulated air of several outer radiating fins 3012 with enhance with it is described it is several it is outer dissipate
The heat exchange efficiency of hot fin 3012 and the extraneous air of the battery case 10, and the wind direction that the pair of second fan 3022 generates
The temperature with balanced several outer radiating fins 3012 opposite with the wind direction that the pair of first fan 3021 generates.It needs herein
Illustrate, the extraneous air of the battery case 10 and several outer radiating fins are blown in the pair of first fan 3021
When 3012 progress heat exchange, several outer radiating fins 3012 cause to drop for one end that air enters because the temperature of air is relatively low
Warm speed is faster than the cooling rate of the other end, and the temperature so as to cause several 3012 both ends of outer radiating fin is unbalanced, into
And the inside even temperature effect of the battery case 10 is influenced, it is therefore to be understood that when the pair of second fan 3022 generates
Wind direction it is opposite with the wind direction that the pair of first fan 3021 generates when, can effective balanced several outer radiating fins
The cooling rate at 3012 both ends, to achieve the effect that samming.
Further, the radiating subassembly 30 further includes a wind scooper 303, and the both ends open of the wind scooper 303 is simultaneously
It is connected with the heat exchanger plates 301 and covers several outer radiating fins 3012, the pair of first fan 3021 is respectively arranged on
Two openings of the wind scooper 303.In the present embodiment, the wind scooper 303 is so that outside the battery case 10
Air can form the circulation air path for flowing through several outer radiating fins 3012 under the action of the pair of first fan 3021,
And the wind scooper 303 also plays protection several outer radiating fins 3012.In addition, the pair of first fan 3021
For drip-proof fan 302, several outer radiating fins described in the moisture corrosion in 10 extraneous air of the battery case are can effectively prevent
3012。
Further, the side of the heat exchanger plates 301 towards the battery modules 20 is pasted with a pair of of PTC (Positive
Temperature Coefficient thermistors) heating plate 3013, and if the pair of PTC heating plates 3013 be located at
The internal temperature of the battery case 10, is increased to the work temperature of the battery modules 20 by the both sides of radiating fin 3011 in dry
It spends in range.
Specifically, the battery pack 100 further includes BMS (Battery Management System battery management system)
Module (not shown), the BMS modules are electrically connected the battery modules 20 and the radiating subassembly 30, and the BMS modules are logical
A pair of of the PTC heating plates 3013 for detecting the state of temperature of the battery modules 20 to control in the radiating subassembly 30 are crossed to be added
Heat stops heating.In the present embodiment, the BMS modules are equipped with the first temperature threshold and second temperature threshold value, and described
First temperature threshold is less than second temperature threshold value, i.e. the operating temperature range of the battery modules 20 is first temperature threshold
To between the second temperature threshold value；The BMS modules detect that the temperature of the battery modules 20 is less than first temperature
The pair of PTC heating plates 3013 are controlled when threshold value to carry out heating and be more than second temperature in the temperature of the battery modules 20
The pair of PTC heating plates 3013 are controlled when spending threshold value stops heating.In addition, the BMS modules are in the pair of PTC heating plates
3013 close the pair of first fan 3021 and the pair of second fan 3022 and add in the pair of PTC when being heated
Backing 3013 stops starting the pair of first fan 3021 and the pair of second fan 3022 when heating, to improve the electricity
The temperature rise speed of pond case 10.
The utility model is not only in the description and the implementation described, therefore for the personnel of familiar field
For other advantage and modification is easily implemented, therefore without departing substantially from universal defined by claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representative equipment and shown here as with retouch
The diagram example stated.
Claims (7)
1. a kind of battery pack, it is characterised in that：Including battery case, battery modules and radiating subassembly, the battery case includes one end
The babinet of opening and the case lid for being covered on the box opening, the babinet include bottom wall and are extended to form from bottom wall edge
Several side walls, the bottom wall enclose the receiving space for setting and being formed and placing the battery modules with the side wall, and the battery modules are set
It is arranged in the receiving space and both ends and a pair of sidewalls interval of the babinet；If the radiating subassembly include heat exchanger plates and
Dry-air blast is fanned；The heat exchanger plates are installed in the inside of one and the spaced side wall of the battery modules and are equipped with several interior heat dissipations
Fin and several outer radiating fins, several interior radiating fins are set to the heat exchanger plates towards the side of the battery modules,
Several outer radiating fins are set to the heat exchanger plates side opposite with several interior radiating fins and are pierced by corresponding side
Wall；Several fans include that a pair of first fan, a pair of second fan and several third fans, the pair of first fan are set
In the both ends of several outer radiating fins, the pair of second fan is set to the both ends of several interior radiating fins, described
Several third fans are set to one of battery modules described in the described several one end of interior radiating fin far from the heat exchanger plates and face
End.
2. battery pack according to claim 1, it is characterised in that：Wind direction and described one between the pair of first fan
Wind direction between the second fan is opposite.
3. battery pack according to claim 2, it is characterised in that：The radiating subassembly further includes a wind scooper, described
The both ends open of wind scooper is simultaneously connected with the heat exchanger plates and covers several outer radiating fins, the pair of first fan point
Not She Yu the wind scooper two openings.
4. battery pack according to claim 3, it is characterised in that：The pair of first fan is drip-proof fan.
5. battery pack according to claim 1, it is characterised in that：The heat exchanger plates are pasted towards the side of the battery modules
With a pair of of PTC heating plates, and the pair of PTC heating plates are located at the both sides of several interior radiating fins.
6. battery pack according to claim 5, it is characterised in that：Further include BMS modules, the BMS modules are electrically connected institute
Battery modules and the radiating subassembly are stated, and the BMS modules are by detecting the state of temperature of the battery modules to control
A pair of of the PTC heating plates stated in radiating subassembly are heated or stop heating.
7. battery pack according to claim 6, it is characterised in that：The BMS modules are equipped with the first temperature threshold and second
Temperature threshold, and first temperature threshold is less than second temperature threshold value；The BMS modules detect the temperature of the battery modules
Degree be less than first temperature threshold when control the pair of PTC heating plates carry out heating and it is big in the temperature of the battery modules
The pair of PTC heating plates are controlled when the second temperature threshold value stops heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721356434.0U CN207624861U (en) | 2017-10-19 | 2017-10-19 | A kind of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721356434.0U CN207624861U (en) | 2017-10-19 | 2017-10-19 | A kind of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624861U true CN207624861U (en) | 2018-07-17 |
Family
ID=62826682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721356434.0U Expired - Fee Related CN207624861U (en) | 2017-10-19 | 2017-10-19 | A kind of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504398A (en) * | 2019-09-23 | 2019-11-26 | 常州格力博有限公司 | A kind of battery pack |
-
2017
- 2017-10-19 CN CN201721356434.0U patent/CN207624861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504398A (en) * | 2019-09-23 | 2019-11-26 | 常州格力博有限公司 | A kind of battery pack |
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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: 20180717 Termination date: 20181019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |