CN218123564U - Battery pack and electric product - Google Patents
Battery pack and electric product Download PDFInfo
- Publication number
- CN218123564U CN218123564U CN202222119337.7U CN202222119337U CN218123564U CN 218123564 U CN218123564 U CN 218123564U CN 202222119337 U CN202222119337 U CN 202222119337U CN 218123564 U CN218123564 U CN 218123564U
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- Prior art keywords
- heat dissipation
- battery pack
- heat
- water inlet
- water outlet
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 165
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 20
- 239000000110 cooling liquid Substances 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 17
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000034 method Methods 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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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
Abstract
The application provides a battery pack and an electric product, wherein the battery pack comprises an installation box, a plurality of battery cell columns and a plurality of heat dissipation plates, the installation box is provided with an installation cavity, and the battery cell columns are arranged in the installation cavity in an array manner; the plurality of heat dissipation plates are respectively arranged between two adjacent electric core rows to dissipate heat of the electric core rows, each heat dissipation plate is provided with a heat dissipation channel, and the two ends of each heat dissipation channel are respectively provided with a water inlet and a water outlet so that cooling liquid can enter the heat dissipation channels and flow out of the heat dissipation channels. The application provides a battery pack, through set up the heating panel between every two adjacent electricity core rows, increased heat radiating area, improved the radiating rate, through set up water inlet and delivery port cooling liquid circulation on every heating panel, improved the heat absorption capacity of heating panel to improve the radiating effect of heating panel to electric core, thereby improved the radiating effect of battery pack.
Description
Technical Field
The application belongs to the technical field of batteries, and particularly relates to a battery pack and an electric product.
Background
The battery pack generally includes a case, a battery cell mounted in the case, a heat sink, and the like. The heating panel is used for giving the electric core heat dissipation, avoids the battery package to appear the heat accumulation in the use and cause the incident. However, the existing battery pack has an unreasonable structural design, so that the heat dissipation effect of the heat dissipation plate on the battery core is poor.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a battery pack and an electric product, so that the problem of poor heat dissipation effect of the existing battery pack is solved.
In a first aspect, an embodiment of the present application provides a battery pack, including:
the installation box is provided with an installation cavity;
a plurality of battery cell columns arranged in an array in the installation cavity;
the plurality of heating panels are respectively arranged between the two adjacent electric core rows to radiate the electric core rows, each heating panel is provided with a heat radiation channel, and two ends of each heat radiation channel are respectively provided with a water inlet and a water outlet so that cooling liquid can enter the heat radiation channels and flow out of the heat radiation channels.
Optionally, the battery pack further includes a water inlet pipe, one end of the water inlet pipe is configured to be connected to a water tank, the water inlet pipe is provided with a plurality of water inlet holes in the extending direction, and the water inlet holes are communicated with the water inlet of the heat dissipation plate; and/or the presence of a gas in the gas,
the battery pack further comprises a water outlet pipe, one end of the water outlet pipe is configured to be connected with the water tank, a plurality of water outlet holes are formed in the water outlet pipe in the extending direction, and the water outlet holes are communicated with the water outlet of the heat dissipation plate.
Optionally, heat dissipation channel includes first heat dissipation section, second heat dissipation section and third heat dissipation section in extending direction in proper order, the water inlet is located first heat dissipation section is kept away from the one end of second heat dissipation section, the delivery port is located the third heat dissipation section is kept away from the one end of second heat dissipation section, the rivers opposite direction of first heat dissipation section and third heat dissipation section.
Optionally, a water inlet nozzle is arranged at the water inlet of the heat dissipation plate, and one end of the water inlet nozzle, which is far away from the heat dissipation plate, is communicated with the corresponding water inlet hole; and/or the presence of a gas in the gas,
the water outlet of the heat dissipation plate is provided with a water outlet nozzle, and one end, far away from the heat dissipation plate, of the water outlet nozzle is communicated with the corresponding water outlet hole.
Optionally, a clamping groove is formed in the bottom of the installation box, and the heat dissipation plate is installed on the clamping groove.
Optionally, a heat conducting adhesive is disposed between the battery cell array and the heat dissipation plate, and two opposite side surfaces of the heat conducting adhesive are respectively attached to the surface of the heat dissipation plate and the side surfaces of the battery cell array.
Optionally, the heat-conducting glue is spread over the plate surface of the heat dissipation plate or the side surface of the battery cell row.
Optionally, the heating panel has seted up the mounting groove, the mounting groove is followed the extending direction of heating panel extends, the battery package still includes the PTC heat-generating body, the PTC heat-generating body install in the mounting groove.
Optionally, the heat dissipation channel includes first heat dissipation section, second heat dissipation section and third heat dissipation section in extending direction in proper order, the water inlet is located first heat dissipation section is kept away from the one end of second heat dissipation section, the delivery port is located the third heat dissipation section is kept away from the one end of second heat dissipation section, the rivers opposite direction of first heat dissipation section and third heat dissipation section, the mounting groove is located between first heat dissipation section and the third heat dissipation section.
In a second aspect, embodiments of the present application further provide an electric product, where the electric product includes the battery pack described in any one of the above.
According to the battery pack provided by the embodiment of the application, the heat dissipation plates are arranged between every two adjacent battery cell columns, so that the mutual transmission of heat among the battery cell columns is avoided, the heat dissipation plates are arranged on two opposite side surfaces of the battery cell columns to dissipate heat of the battery cell columns, the heat dissipation area is increased, the heat dissipation speed is increased, and the heat dissipation effect of the heat dissipation plates on the battery cells is improved; and every heating panel all has water inlet and delivery port for can flow out the heating panel after the coolant liquid that flows into in the heat dissipation channel absorbs the heat that is come by electric core transmission, avoid thermal gathering in the heat dissipation channel, improve the heat absorbing capacity of heating panel, thereby further improve the radiating effect of heating panel to electric core, thereby improve the radiating effect of battery package.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts in the following description.
Fig. 1 is a schematic view of an internal structure of a battery pack according to an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of a part of a structure of a battery pack provided in an embodiment of the present application.
Fig. 3 is a schematic cross-sectional view of another structure of a battery pack according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a battery package and power consumption product to solve current battery package because structural design is unreasonable, make the heating panel to the relatively poor problem of radiating effect of electric core. The following description will be made with reference to the accompanying drawings.
Referring to fig. 1 to 3, in an embodiment of the present invention, the battery pack includes an installation box 100, a plurality of cell columns 200, and a plurality of heat dissipation plates 300, where the installation box 100 has an installation cavity, and the plurality of cell columns 200 are arranged in an array in the installation cavity; the plurality of heat dissipation plates 300 are respectively arranged between two adjacent battery cell arrays 200 to dissipate heat of the battery cell arrays 200, each heat dissipation plate 300 is provided with a heat dissipation channel, and two ends of each heat dissipation channel are respectively provided with a water inlet 301 and a water outlet 302 to allow cooling liquid to enter the heat dissipation channel and flow out of the heat dissipation channel. The shape of the installation box 100 may be various, such as rectangular, square, oval, etc. The battery cell array 200 includes a plurality of battery cells, and the plurality of battery cells are sequentially arranged in a preset direction, where the preset direction may be a length direction of the installation box 100, or a width direction of the installation box 100, and is not limited specifically herein. The heat dissipation plate 300 may be in direct contact with the surface of the battery cell array 200, or may be in indirect contact with the battery cell array 200, for example, the heat dissipation plate 300 and the battery cell array 200 are in contact with each other through a heat conductive adhesive, which is not particularly limited herein as long as the heat of the battery cell array 200 can be transferred to the heat dissipation plate 300, and the heat dissipation plate 300 dissipates the heat. In practical application, a water tank and a water pump may be disposed outside the battery pack, the water inlet 301 and the water outlet 302 are respectively communicated with the water tank, and the water pump is used to drive the cooling liquid of the water tank to enter the water inlet 301, or drive the cooling liquid of the heat dissipation plate 300 to flow into the water tank from the water outlet 302.
The heat dissipation plate 300 is arranged between every two adjacent battery cell columns 200, so that heat among the battery cell columns 200 is prevented from being transferred, the heat dissipation plates 300 are arranged on two opposite side surfaces of each battery cell column 200 to dissipate heat, the heat dissipation area is increased, the heat dissipation speed is increased, and the heat dissipation effect of the heat dissipation plates 300 on the battery cells is improved; and every heating panel 300 all has water inlet 301 and delivery port 302 for coolant liquid that flows into in the heat dissipation channel can flow out heating panel 300 after absorbing the heat that is transmitted by electric core, has avoided thermal gathering in the heat dissipation channel, has improved heating panel 300's heat absorption capacity, thereby has further improved heating panel 300 to the radiating effect of electric core, thereby has improved the radiating effect of battery package.
In some embodiments, the battery pack further includes a water inlet pipe 410, one end of the water inlet pipe 410 is configured to be connected to a water tank, the water inlet pipe 410 is opened with a plurality of water inlet holes in an extending direction, and the water inlet holes are communicated with the water inlet 301 of the heat dissipation plate 300; and/or, the battery pack further comprises a water outlet pipe 420, one end of the water outlet pipe 420 is configured to be connected with the water tank, a plurality of water outlet holes are formed in the water outlet pipe 420 in the extending direction, and the water outlet holes are communicated with the water outlet 302 of the heat dissipation plate 300. In this embodiment, a cooling liquid is provided to the plurality of heat dissipation plates 300 through a water inlet pipe 410, and/or the cooling liquid is discharged through a water outlet pipe 420, so that the cooling liquid can pass through the heat dissipation channel of each heat dissipation plate 300, and the heat dissipation effect of each heat dissipation plate 300 is ensured, compared with the case of using a plurality of water inlet pipes 410 and/or a plurality of water outlet pipes 420, the occupation space of the water inlet pipes 410 and the water outlet pipes 420 is reduced, the battery pack is convenient to miniaturize, the internal structure of the battery pack is simplified, and the reliability of the battery pack is improved.
In some embodiments, the water inlet pipe 410 and the water outlet pipe 420 are located at the same end of the heat dissipation plate 300. Thus, in practical application, the water inlet pipe 410 and the water outlet pipe 420 can both be close to the water tank, which is beneficial to reducing the lengths of the water inlet pipe 410 and the water outlet pipe 420, and is beneficial to improving the replacement speed of the cooling liquid in the heat dissipation channel and improving the heat dissipation efficiency of the heat dissipation plate 300; meanwhile, the connection between the battery pack and the water tank is simplified, so that the internal structure of an electric product using the battery pack and the water tank is simplified.
In order to further improve the heat dissipation effect of the heat dissipation plate 300, in some embodiments, the heat dissipation channel sequentially includes a first heat dissipation section 310, a second heat dissipation section 320, and a third heat dissipation section 330 in the extending direction, the water inlet 301 is located at one end of the first heat dissipation section 310 far away from the second heat dissipation section 320, the water outlet 302 is located at one end of the third heat dissipation section 330 far away from the second heat dissipation section 320, and the water flow directions of the first heat dissipation section 310 and the third heat dissipation section 330 are opposite. So set up, increased heat dissipation channel's length to increased the coolant liquid time of absorbing the heat, great utilization the heat absorption capacity of coolant liquid, thereby make the heat of electricity core can be in furthest's transmission to the coolant liquid, improved the radiating effect of heating panel 300 to electric core. In other embodiments, the heat dissipation channel may further include more heat dissipation sections, so as to increase the length of the heat dissipation channel to a greater extent.
In order to improve the smoothness of the cooling liquid entering and/or flowing out of the heat dissipation channel, in some embodiments, a water inlet nozzle 510 is disposed at the water inlet 301 of the heat dissipation plate 300, and one end of the water inlet nozzle 510, which is far away from the heat dissipation plate 300, is communicated with the corresponding water inlet hole; and/or a water outlet nozzle 520 is arranged at the water outlet 302 of the heat dissipation plate 300, and one end of the water outlet nozzle 520, which is far away from the heat dissipation plate 300, is communicated with the corresponding water outlet hole. Specifically, the water inlet nozzle 510 has a water inlet passage, and both ends of the water inlet passage are respectively communicated with the water inlet hole and the water inlet 301, so that the water inlet hole is communicated with the water inlet 301; and/or the water outlet nozzle 520 is provided with a water outlet channel, and two ends of the water outlet channel are respectively communicated with the water outlet hole and the water outlet 302, so that the water outlet hole is communicated with the water outlet 302. In practical application, the structure of the water inlet nozzle 510 and/or the water outlet nozzle 520 can be reasonably arranged, so that two ends of a water inlet channel of the water inlet nozzle 510 can be respectively communicated and matched with the water inlet hole and the water inlet 301; and/or, two ends of the water outlet channel of the water outlet nozzle 520 can be respectively communicated and adapted with the water outlet hole and the water outlet 302, so as to ensure that the cooling liquid can smoothly enter the heat dissipation channel, and/or the cooling liquid can smoothly flow out of the heat dissipation channel, so as to ensure the smoothness of the circulation of the cooling liquid and ensure the heat dissipation effect of the heat dissipation plate 300.
In some embodiments, a clamping groove is formed at the bottom of the mounting box 100, and the heat dissipation plate 300 is mounted on the clamping groove. The size of draw-in groove can with the size adaptation of heating panel 300 bottom for heating panel 300 installs the back on the draw-in groove, can obtain the fixed and can not take place to rock of draw-in groove, guarantees heating panel 300's steadiness, thereby guarantees that heating panel 300 can reliable and stable dispel the heat to electric core.
In some embodiments, a heat conductive adhesive is disposed between the cell array 200 and the heat dissipation plate 300, and two opposite side surfaces of the heat conductive adhesive are respectively attached to the plate surface of the heat dissipation plate 300 and the side surfaces of the cell array 200. The material of the heat-conducting glue can be selected from silica gel or other materials with better heat-conducting property. The arrangement of the heat-conducting glue can conduct heat and accelerate the heat transfer, so that the heat of the battery cell can be rapidly transferred to the heat dissipation plate 300, and the battery cell can be rapidly cooled; on the other hand, the connection stability can be improved, so that the heat dissipation plate 300 can play a role in dissipating heat of the battery cell stably and reliably, and the heat dissipation effect of the battery pack is ensured. Further, the heat conductive adhesive is spread over the plate surface of the heat dissipation plate 300 or the side surface of the cell array 200. Thus, the contact area between the heat conductive adhesive and the plate surface of the heat dissipation plate 300 or the side surface of the cell array 200 is increased, so that the heat conductive adhesive can exert its maximum effect.
In order to improve the compactness of the battery pack, in some embodiments, the heat dissipation plate 300 is provided with a mounting groove 303, the mounting groove 303 extends along the extending direction of the heat dissipation plate 300, and the battery pack further includes a PTC heater 600, and the PTC heater 600 is mounted in the mounting groove 303.
In this embodiment, the PTC (Positive Temperature Coefficient) heat generating body 600 is installed in the installation groove 303 of the heat dissipating plate 300, which avoids the need to install the PTC heat generating body 600 in a groove at another position of the battery pack, thereby improving the space utilization rate and the compactness of the battery pack structure. It should be noted that the PTC heater 600 may be used to heat and start the battery cell, and may stop working after the battery cell is started, and the heat dissipation plate 300 starts working after the battery cell is started, so that the PTC heater 600 and the heat dissipation plate 300 may not work together, and may not affect each other.
Further, heat dissipation channel includes first heat dissipation section 310, second heat dissipation section 320 and third heat dissipation section 330 in extending direction in proper order, water inlet 301 is located first heat dissipation section 310 is kept away from the one end of second heat dissipation section 320, delivery port 302 is located third heat dissipation section 330 is kept away from the one end of second heat dissipation section 320, the rivers opposite direction of first heat dissipation section 310 and third heat dissipation section 330, mounting groove 303 is located between first heat dissipation section 310 and the third heat dissipation section 330. So, make the structure of heating panel 300 symmetry relatively in the direction of height to make the focus of heating panel 300 at the middle part of heating panel 300, thereby when making the coolant liquid flow in heat dissipation channel, can not make heating panel 300 produce and rock, thereby guarantee the stability and the reliability of heating panel 300. In other embodiments, the mounting groove 303 may also be located on a side of the first heat dissipating section 310 facing away from the third heat dissipating section 330, and may also be located on a side of the third heat dissipating section 330 facing away from the first heat dissipating section 310.
The utility model discloses still provide an electricity consumption product, the electricity consumption product can be the product that needs to use the battery package such as vehicle, energy storage power, and this electricity consumption product includes foretell battery package, and during the actual application, the battery package is provided with water tank and water pump outward, combines the embodiment of inlet tube 410 and outlet pipe 420, inlet tube 410 and outlet pipe 420 respectively with the water tank intercommunication, the water pump is connected in inlet tube 410 or outlet pipe 420. The water pump is used to drive the coolant from the tank into the inlet pipe 410 or to drive the coolant from the outlet pipe 420 to the tank. The specific structure of the battery pack refers to the above embodiments, and since the electric product adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
The ice making device provided by the embodiments of the present application is described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A battery pack, comprising:
the installation box is provided with an installation cavity;
the battery cell rows are arranged in the installation cavity in an array manner;
the plurality of heating panels are respectively arranged between the two adjacent electric core rows to radiate the electric core rows, each heating panel is provided with a heat radiation channel, and two ends of each heat radiation channel are respectively provided with a water inlet and a water outlet so that cooling liquid can enter the heat radiation channels and flow out of the heat radiation channels.
2. The battery pack according to claim 1, further comprising a water inlet pipe, wherein one end of the water inlet pipe is configured to be connected to a water tank, the water inlet pipe is provided with a plurality of water inlet holes in an extending direction, and the water inlet holes are communicated with the water inlet of the heat dissipation plate; and/or the presence of a gas in the gas,
the battery pack further comprises a water outlet pipe, one end of the water outlet pipe is configured to be connected with the water tank, a plurality of water outlet holes are formed in the water outlet pipe in the extending direction, and the water outlet holes are communicated with the water outlet of the heat dissipation plate.
3. The battery pack of claim 2, wherein the heat dissipation channel sequentially comprises a first heat dissipation section, a second heat dissipation section and a third heat dissipation section in the extending direction, the water inlet is located at one end of the first heat dissipation section away from the second heat dissipation section, the water outlet is located at one end of the third heat dissipation section away from the second heat dissipation section, and the water flow directions of the first heat dissipation section and the third heat dissipation section are opposite.
4. The battery pack according to claim 2, wherein a water inlet nozzle is arranged at the water inlet of the heat dissipation plate, and one end of the water inlet nozzle, which is far away from the heat dissipation plate, is communicated with the corresponding water inlet hole; and/or the presence of a gas in the gas,
the water outlet of the heat dissipation plate is provided with a water outlet nozzle, and one end, far away from the heat dissipation plate, of the water outlet nozzle is communicated with the corresponding water outlet hole.
5. The battery pack according to any one of claims 1 to 4, wherein a slot is formed at a bottom of the mounting case, and the heat dissipation plate is mounted on the slot.
6. The battery pack according to any one of claims 1 to 4, wherein a heat conductive adhesive is disposed between the cell array and the heat dissipation plate, and opposite two side surfaces of the heat conductive adhesive are respectively attached to the plate surface of the heat dissipation plate and the side surfaces of the cell array.
7. The battery pack according to claim 6, wherein the heat-conducting adhesive is spread over the plate surface of the heat-dissipating plate or the side surfaces of the cell rows.
8. The battery pack according to any one of claims 1 to 4, wherein the heat dissipation plate is provided with a mounting groove extending in an extending direction of the heat dissipation plate, and the battery pack further includes a PTC heater mounted in the mounting groove.
9. The battery pack of claim 8, wherein the heat dissipation channel sequentially comprises a first heat dissipation section, a second heat dissipation section and a third heat dissipation section in the extending direction, the water inlet is located at one end of the first heat dissipation section far away from the second heat dissipation section, the water outlet is located at one end of the third heat dissipation section far away from the second heat dissipation section, the water flow directions of the first heat dissipation section and the third heat dissipation section are opposite, and the installation groove is located between the first heat dissipation section and the third heat dissipation section.
10. An electric product comprising the battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222119337.7U CN218123564U (en) | 2022-08-11 | 2022-08-11 | Battery pack and electric product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222119337.7U CN218123564U (en) | 2022-08-11 | 2022-08-11 | Battery pack and electric product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123564U true CN218123564U (en) | 2022-12-23 |
Family
ID=84522353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222119337.7U Active CN218123564U (en) | 2022-08-11 | 2022-08-11 | Battery pack and electric product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123564U (en) |
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2022
- 2022-08-11 CN CN202222119337.7U patent/CN218123564U/en active Active
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