CN216750071U - Battery pack and power supply device - Google Patents
Battery pack and power supply device Download PDFInfo
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- CN216750071U CN216750071U CN202122964983.9U CN202122964983U CN216750071U CN 216750071 U CN216750071 U CN 216750071U CN 202122964983 U CN202122964983 U CN 202122964983U CN 216750071 U CN216750071 U CN 216750071U
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- heat
- housing
- heat conducting
- battery pack
- battery
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- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Abstract
The application provides a battery package and power supply unit, wherein, the battery package includes casing, heating member, heat-conducting member and a plurality of electric core. The heat-conducting piece is attached to the heating member, and is provided with a first accommodating groove matched with the battery core, so that heat generated by the heating member is uniformly transmitted to the battery core. The application provides a battery package, because electric core adaptation is in first storage tank, the even radiation of heat that the heat-conducting member will add the heat-insulating material and produce to each electric core to the realization is to each electric core even heating, makes the temperature of electric core place operational environment can reach its suitable operating temperature scope in short time, and then makes the battery package also can normally work in the lower operational environment of temperature.
Description
Technical Field
This application belongs to electric core heating technical field, and more specifically says, relates to a battery package and power supply unit.
Background
A power supply device such as an energy storage power supply generally has a battery pack, and the battery pack contains a plurality of battery cells. At present, the discharge performance of the battery cell is generally limited by the ambient temperature of the battery cell during use. For example, after the temperature of the use environment of the lithium battery cell is lower than 0 ℃, the discharge performance can be reduced, and when the temperature of the use environment is lower than-20 ℃, the failure can occur, which is not beneficial to the use of charging equipment such as an energy storage power supply in outdoor application scenes.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a battery pack and power supply equipment to solve the technical problem that the discharge performance of a battery cell in the battery pack in a cold environment is reduced in the prior art.
To achieve the above object, a first aspect of the present application provides a battery pack including:
a housing;
a heating element disposed within the housing;
the heat conducting piece is attached to the heating piece, and is provided with a first accommodating groove;
the battery cell is at least partially accommodated in the first accommodating groove, the part of the battery cell located in the first accommodating groove is attached to the groove wall of the first accommodating groove, and the heat conducting part is used for uniformly transferring heat generated by the heating part to the battery cell.
In an embodiment, the heat conducting member has a first surface and a second surface that are opposite to each other, the first surface is attached to the heating member, the first accommodating groove is formed in the second surface, and the battery cell is at least partially accommodated in the first accommodating groove along a direction perpendicular to the second surface.
In an embodiment, the number of the battery cells and the number of the first accommodating grooves are multiple, the multiple first accommodating grooves are sequentially spaced along the extending direction of the heat conducting member, and the multiple battery cells are in one-to-one correspondence with the multiple first accommodating grooves.
In an embodiment, a protruding portion is formed between two adjacent first accommodating grooves, the protruding portion is provided with an insertion block, and the insertion block is used for being inserted between two adjacent battery cells.
In one embodiment, the number of the heat-conducting members is two, and the two heat-conducting members are symmetrically arranged on two sides of the heating member.
In an embodiment, a second accommodating groove is formed in the inner wall of the casing corresponding to the first accommodating groove, and the electric core is at least partially accommodated in the second accommodating groove along a direction perpendicular to the second surface.
In an embodiment, two opposite and spaced limiting members are disposed inside the housing, the heat conducting member is located between the two limiting members, and the two limiting members are respectively abutted to two ends of the heat conducting member.
In one embodiment, one side of the limiting member facing the heat conducting member is convexly provided with a limiting rib, and the limiting rib is used for being abutted and matched with the heat conducting member.
In one embodiment, the casing includes a first casing and a second casing, the first casing and the second casing enclose to form an accommodating space for accommodating the heating element, the heat conducting element and the battery cell,
the heat conducting member located at one side of the heating member is accommodated in the first housing, and the heat conducting member located at the other side of the heating member is accommodated in the second housing.
The battery pack provided by the embodiment of the application has at least the following beneficial effects:
the embodiment of the application provides a battery pack, its casing is inside to be set up in the heating member, the both sides laminating of heating member has the heat-conducting member, after heating member circular telegram produced the heat, because electric core part holding is in the first storage tank on the heat-conducting member, the even radiation of heat that the heat-conducting member will add the heat-producing member to each electric core, thereby realize each electric core even heating, make the temperature of electric core place operational environment can reach its suitable operating temperature scope in short time, and then make the battery pack also can normally work in the lower operational environment of temperature.
On the other hand, the present application provides a power supply device, including equipment casing and control module group, and any one of the above-mentioned battery package, the battery package set up in the equipment casing, and with the control module group electricity is connected.
The energy storage power supply provided by the embodiment of the application at least has the following beneficial effects:
compared with the prior art, the power supply equipment that this application embodiment provided has adopted above-mentioned battery package, when power supply equipment and the electrical equipment's that has this power supply equipment operational environment's temperature was lower, because the even radiation of heat that the heating member produced to its inside each electric core can be with the heat-conducting member in the battery package, thereby make the operational environment's that electric core was located temperature rise, in order to guarantee the stability that electric core discharged, and then realize that whole power supply equipment also can stable discharge in the lower operational environment of temperature.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a battery pack provided in an embodiment of the present application;
fig. 2 is an exploded schematic view of a battery pack according to an embodiment of the present disclosure;
fig. 3 is a schematic view of an internal structure of a battery pack according to an embodiment of the present disclosure;
FIG. 4 is an enlarged view of the structure of section A in FIG. 3;
fig. 5 is a schematic structural diagram of a battery cell provided in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a heat-conducting member according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a housing according to an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
10. a housing; 11. A first housing; 12. A second housing;
13. a second accommodating groove; 14. A limiting member; 20. A heating member;
30. a heat conductive member; 31. A first accommodating groove; 32. A raised portion;
33. inserting a block; 40. An electric core;
111. a wiring port; 121. Fastening; 141. Limiting ribs;
a1, a first face; a2, second face.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
A power supply device such as an energy storage power supply generally has a battery pack, and the battery pack contains a plurality of battery cells. At present, the discharge performance of the battery cell is generally limited by the ambient temperature of the battery cell during use. For example, after the temperature of the use environment of the lithium battery cell is lower than 0 ℃, the discharge performance can be reduced, and when the temperature of the use environment is lower than-20 ℃, the failure can occur, which is not beneficial to the use of charging equipment such as an energy storage power supply in outdoor application scenes.
Therefore, the embodiment of the application provides a battery pack and power supply equipment, and the discharge performance of the battery cell in the battery pack in a cold environment can be improved. In this embodiment, the battery pack may be applied to a power supply device, and the power supply device may be a power supply device such as an energy storage power supply.
Referring to fig. 1 and fig. 2 together, in a first aspect, an embodiment of the present application provides a battery pack, which includes a housing 10, a heating element 20, a heat conducting element 30, and a plurality of battery cells 40. The heating element 20 is disposed in the housing 10, the heat conducting element 30 is attached to the heating element 20, and the heat conducting element 30 is provided with a first accommodating groove 31. At least part of the electric core 40 is accommodated in the first accommodating groove 31, the part of the electric core 40 located in the first accommodating groove 31 is attached to the groove wall of the first accommodating groove 31, and the heat conducting member 30 is used for uniformly transferring the heat generated by the heating member 20 to the electric core 40.
The following further illustrates the battery pack provided in the embodiments of the present application: the embodiment of the application provides a battery pack, its casing 10 is inside to be set up in heating member 20, the both sides laminating of heating member 20 has heat-conducting member 30, heating member 20 circular telegram produces behind the heat, because electric core 40 part holding is in the first storage tank 31 on heat-conducting member 30, heat-conducting member 30 is with the even radiation of heat that heating member 20 produced to each electric core 40, thereby realize each electric core 40 even heating, make the temperature of the operational environment that electric core 40 locates can reach its suitable operating temperature scope in short ground time, and then make the battery pack also can normally work in the lower operational environment of temperature.
Specifically, in the embodiment of the present application, please refer to fig. 1 to 6, a cavity is formed inside the casing 10, the heating element 20 is disposed in the cavity inside the casing 10, the heating element 20 is plate-shaped, and the number of the heat-conducting members 30 is two, and the two heat-conducting members 30 are respectively attached to two opposite side surfaces of the heating element 20, so that when the heating element 20 generates heat, the heat generated by the heating element 20 can be uniformly transferred to the heat-conducting members 30, and the heat-conducting members 30 can uniformly transfer the heat generated by the heating element 20 to each electrical core 40. Heat-conducting member 30 adopts the silica gel material to make, when giving electric core 40 with the heat transfer of heating member 20, still is used for insulating between two adjacent electric core 40, and heat-conducting member 30 still is used for carrying out the shock attenuation to electric core 40 simultaneously, prevents that electric core 40 from receiving the impact.
Referring to fig. 3, 5 and 6, the heat-conducting member 30 has a first surface a1 and a second surface a2 opposite to the first surface a1, and the first surface a1 of the heat-conducting member 30 is attached to the heat-conducting member 30, so that the heating element 20 can transfer the generated heat to the heat-conducting member 30. First storage tank 31 utensil is uncovered, and uncovered the locating second face a2, and the tank bottom surface of first storage tank 31 is the arcwall face with the outer fringe shape looks adaptation of electric core 40, along perpendicular and second face a 2's direction, and electric core 40 at least part holding is in first storage tank 31, not only is convenient for heat-conducting member 30 with heating member 20 production heat transmit to electric core 40's whole fast, but also is convenient for with installing of electric core 40 in first storage tank 31.
In an embodiment of the present application, the number of the battery cells 40 and the number of the first receiving grooves 31 are multiple, specifically, referring to fig. 2 to fig. 3, the number of the battery cells 40 and the number of the first receiving grooves 31 are four, the four first receiving grooves 31 are sequentially spaced along the extending direction of the heat conducting member 30, and the four battery cells 40 and the four first receiving grooves 31 are in one-to-one correspondence and are received in the first receiving grooves 31.
In an embodiment of the present application, a protruding portion 32 is formed between two adjacent first receiving grooves 31, the protruding portion 32 is provided with an insertion block 33, and the insertion block 33 is protruding from the second surface a2, and is configured to be inserted between two adjacent battery cells 40, so as to limit the movement of the battery cells 40 in the first receiving grooves 31.
Specifically, in the embodiment of the present application, please refer to fig. 6, since the bottom surface of the first receiving groove 31 is an arc-shaped surface, a portion between the openings of two adjacent first receiving grooves 31 protrudes toward the side of the second surface a2 to form a protruding portion 32, the protruding portion 32 isolates two adjacent battery cells 40, and meanwhile, heat generated by the heating element 20 is transferred to the protruding portion 32 through the first surface a1 of the heat conducting member 30, so that the heat conducting member 30 transfers heat to the battery cells 40 through the protruding portion 32.
The raised portion 32 is provided with an insertion block 33, the insertion block 33 is convexly disposed on the second surface a2, and the insertion block 33 is inserted into a space between two adjacent battery cells 40, so as to fix the two adjacent battery cells 40 and prevent the battery cells 40 from moving in the first accommodating groove 31.
In one embodiment of the present application, the second receiving groove 13 is formed at a position of the inner wall of the casing 10 corresponding to the first receiving groove 31, and the battery cell 40 is at least partially received in the second receiving groove 13 along the direction perpendicular to the second face a 2.
Specifically, in the embodiment of the present application, please refer to fig. 3 and fig. 7, a second receiving groove 13 is disposed on the inner wall of the casing 10 corresponding to the first receiving groove 31, a bottom surface of the second receiving groove 13 is also an arc surface adapted to the outer edge of the battery cell 40, and the battery cell 40 is at least partially received in the second receiving groove 13 along a direction perpendicular to the second surface a 2. The tank bottom surface of second storage tank 13 and the tank bottom surface of first storage tank 31 are fixed to electric core 40 jointly, fix electric core 40 in the space between second storage tank 13 and first storage tank 31, prevent that electric core 40 from moving at casing 10, also prevent simultaneously that electric core 40 from droing from first storage tank 31 to guarantee that heat-conducting piece 30 transmits thermal reliability to electric core 40.
In an embodiment of the present application, two opposite and spaced limiting members 14 are disposed inside the housing 10, the heat conducting member 30 is located between the two limiting members 14, and the two limiting members 14 respectively abut against two ends of the heat conducting member 30.
Specifically, in the embodiment of the present application, please refer to fig. 3, fig. 4 and fig. 7, two opposite limiting members 14 are disposed inside the casing 10 at intervals, the heat conducting member 30 is located between the limiting members 14, and two ends of the heat conducting member 30 along an axial direction parallel to the electrical core 40 are respectively abutted against the limiting members 14 located at two sides of the casing 10, or two ends of the heat conducting member 30 along an axial direction perpendicular to the electrical core 40 are respectively abutted against the limiting members 14 located at two sides of the casing 10, so as to fix the heat conducting member 30 inside the casing 10.
In one embodiment of the present application, the limiting member 14 is convexly provided with a limiting rib 141 on a side facing the heat conducting member 30, and the limiting rib 141 is used for abutting engagement with the heat conducting member 30.
Specifically, in the embodiment of the present application, please refer to fig. 4, the limiting rib 141 is convexly disposed on one side of the limiting member 14 facing the heat conducting member 30, and the limiting rib 141 abuts against the heat conducting member 30, so that a gap is formed between the heat conducting member 30 and the limiting member 14, when the heating member 20 generates heat, the heat conducting member 30 is heated to generate elastic deformation, and the gap between the heat conducting member 30 and the limiting member 14 is used for accommodating the deformation generated when the heat conducting member 30 is heated, so as to prevent the elastic deformation generated when the heat conducting member 30 is heated from damaging the limiting member 14.
In one embodiment of the present application, the housing 10 includes a first housing 11 and a second housing 12 connected to the first housing 11.
Specifically, in the embodiment of the present application, please refer to fig. 1 and fig. 2, the first shell 11 and the second shell 12 enclose to form an accommodating space for accommodating the heating element 20, the heat-conducting element 30, and the battery cell 40;
the heat conducting member 30 located on one side of the heating member 20 is accommodated in the first casing 11, the heat conducting member 30 located on the other side of the heating member 20 is accommodated in the second casing 12, and after the first casing 11 and the second casing 12 are buckled, the heat conducting members 30 located on two sides of the heating member 20 and the battery cell 40 located on the heat conducting member 30 are not easy to fall off from the first accommodating groove 31, so that the assembly process of the battery pack can be smoothly performed.
The first shell 11 is provided with a wiring port 111, the inside of the shell 10 is communicated with the outside of the shell 10 through the wiring port 111, the heating element 20 is connected with a cable, one end of the cable penetrates through the wiring port 111 to be connected with the heating element 20, the second shell 12 is provided with a buckle 121, and the part of the cable, which is located outside the shell 10, is fixed by the buckle 121 and is used for restraining the cable.
On the other hand, the present application provides a power supply unit, including equipment casing and control module group and battery package, wherein, the battery package be the above-mentioned battery package that provides of implementing, and the battery package sets up in the equipment casing to be connected with the control module group electricity.
The energy storage power that this application embodiment provided has adopted the battery package that above-mentioned embodiment provided, when power supply unit and the electrical equipment's that has this power supply unit operational environment's temperature is lower, because heat-conducting member 30 in the battery package can with the even radiation of heat that adds the production of heat member 20 to each its inside electric core 40 on, thereby make the operational environment's that electric core 40 was located temperature rise, in order to guarantee the stability that electric core 40 discharged, and then realize that whole power supply unit also can stable discharge in the lower operational environment of temperature.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A battery pack, comprising:
a housing;
a heating element disposed within the housing;
the heat conducting piece is attached to the heating piece, and a first accommodating groove is formed in the heat conducting piece;
the battery cell is at least partially accommodated in the first accommodating groove, the part of the battery cell located in the first accommodating groove is attached to the groove wall of the first accommodating groove, and the heat conducting part is used for uniformly transferring heat generated by the heating part to the battery cell.
2. The battery pack of claim 1, wherein the heat conducting member has a first surface and a second surface opposite to each other, the first surface is attached to the heating member, the first receiving groove is formed in the second surface, and the electric core is at least partially received in the first receiving groove along a direction perpendicular to the second surface.
3. The battery pack according to claim 2, wherein the number of the battery cells and the number of the first receiving grooves are plural, the plural first receiving grooves are sequentially spaced along the extending direction of the heat conducting member, and the plural battery cells correspond to the plural first receiving grooves one to one.
4. The battery pack according to claim 3, wherein a protrusion is formed between two adjacent first receiving grooves, and the protrusion is provided with an insertion block, and the insertion block is used for being inserted between two adjacent battery cells.
5. The battery pack according to claim 4, wherein the number of the heat-conducting members is two, and the two heat-conducting members are symmetrically disposed on both sides of the heating member.
6. The battery pack of claim 5, wherein a second receiving groove is formed in the inner wall of the housing corresponding to the first receiving groove, and the battery cell is at least partially received in the second receiving groove along a direction perpendicular to the second surface.
7. The battery pack of claim 6, wherein the housing has two opposing and spaced-apart retaining members, the heat conducting member is disposed between the two retaining members, and the two retaining members are respectively abutted against two ends of the heat conducting member.
8. The battery pack according to claim 7, wherein the retaining member has a retaining rib protruding from a side of the heat conducting member, the retaining rib being adapted to abut against and engage with the heat conducting member.
9. The battery pack according to claim 8, wherein the housing includes a first housing and a second housing, and the first housing and the second housing enclose a receiving space for receiving the heating element, the heat conducting element, and the battery cell;
the heat conducting member located at one side of the heating member is accommodated in the first housing, and the heat conducting member located at the other side of the heating member is accommodated in the second housing.
10. A power supply apparatus comprising an apparatus housing and a control module, wherein the power supply apparatus further comprises a battery pack according to any one of claims 1 to 9, the battery pack being disposed in the apparatus housing and electrically connected to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964983.9U CN216750071U (en) | 2021-11-29 | 2021-11-29 | Battery pack and power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122964983.9U CN216750071U (en) | 2021-11-29 | 2021-11-29 | Battery pack and power supply device |
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| Publication Number | Publication Date |
|---|---|
| CN216750071U true CN216750071U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122964983.9U Active CN216750071U (en) | 2021-11-29 | 2021-11-29 | Battery pack and power supply device |
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| CN (1) | CN216750071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116404308A (en) * | 2023-06-05 | 2023-07-07 | 深圳海辰储能控制技术有限公司 | Energy storage device and electric equipment |
-
2021
- 2021-11-29 CN CN202122964983.9U patent/CN216750071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116404308A (en) * | 2023-06-05 | 2023-07-07 | 深圳海辰储能控制技术有限公司 | Energy storage device and electric equipment |
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Address after: 518000, 1st Floor, Building E, Jiehe Industrial City, Shuitian Community, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhenghao Innovation Technology Co.,Ltd. Address before: 518000 workshop A202, Founder science and Technology Industrial Park, north of Songbai highway, Longteng community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Zhenghao Innovation Technology Co.,Ltd. |
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Address after: 518000 Factory Building 401, Runheng Industrial Plant 1, Fuyuan Road, Zhancheng Community, Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhenghao Innovation Technology Co.,Ltd. Country or region after: China Address before: 518000, 1st Floor, Building E, Jiehe Industrial City, Shuitian Community, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Zhenghao Innovation Technology Co.,Ltd. Country or region before: China |