CN219534775U - Insulating cover plate assembly and battery pack - Google Patents
Insulating cover plate assembly and battery pack Download PDFInfo
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- CN219534775U CN219534775U CN202320499446.8U CN202320499446U CN219534775U CN 219534775 U CN219534775 U CN 219534775U CN 202320499446 U CN202320499446 U CN 202320499446U CN 219534775 U CN219534775 U CN 219534775U
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- insulating cover
- cover plate
- clamping groove
- battery
- protrusion
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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 relates to the field of lithium ion batteries and discloses an insulating cover plate assembly and a battery pack. The insulating cover plate assembly comprises a first insulating cover plate and a second insulating cover plate, wherein a clamping groove and/or a protrusion is formed in the first surface of the first insulating cover plate, and the clamping groove and/or the protrusion is formed in the first surface of the second insulating cover plate, so that when the first surfaces between the first insulating cover plate and the second insulating cover plate are opposite, any clamping groove and/or protrusion on the first insulating cover plate is horizontally opposite, and each protrusion can be limited in the corresponding clamping groove.
Description
Technical Field
The utility model relates to the field of battery assembly, in particular to an insulating cover plate assembly and a battery pack.
Background
As the applications of batteries become wider and wider, particularly those of lithium ion batteries, devices using lithium ion batteries are also more and more, and the interchangeability and diversity of lithium ion batteries are to be improved. At present, the battery pack is fixed by adopting a PVC insulating sleeve fixing and forming process, the battery packs cannot be connected in series and parallel due to the fact that no inter-fit function exists in the battery pack structure, and after the battery packs are formed, the voltage, the capacity, and other performance parameters are unique and unchangeable, so that the application of the lithium ion battery in different requirements of different equipment is limited.
Disclosure of Invention
An objective of the embodiments of the present utility model is to provide an insulating cover plate assembly and a battery pack, wherein the insulating cover plate assembly is used for flexible assembly and assembly between the battery pack assemblies.
The embodiment of the utility model provides an insulating cover plate assembly, which comprises a first insulating cover plate and a second insulating cover plate,
a clamping groove and/or a bulge are/is arranged on the first surface of the first insulating cover plate,
a clamping groove and/or a bulge are arranged on the first surface of the second insulating cover plate,
when the first surfaces between the first insulating cover plate and the second insulating cover plate are opposite, any clamping groove and/or protrusion on the first insulating cover plate is horizontally opposite to the first surface, and each protrusion can be limited in the corresponding clamping groove.
Optionally, one length end of each clamping groove is open; and/or the number of the groups of groups,
both length ends of each clamping groove are open.
Optionally, the width of the root of each of the protrusions attached to the first surface is narrower than the width of the distal end distal from the first surface;
the width of the groove bottom of each clamping groove, which is positioned on the first surface, is wider than the width of the notch opposite to the groove bottom;
when the protrusion is limited in the clamping groove, the distal end of the protrusion is limited at the bottom of the clamping groove, and the root of the protrusion extends out from the notch of the clamping groove.
Optionally, the bottom ends of the first insulating cover plate and the second insulating cover plate are further provided with supporting plates extending horizontally along the direction opposite to the first surface.
Optionally, guard plates extending horizontally along a direction opposite to the first surface are further arranged at the top ends of the first insulating cover plate and the second insulating cover plate.
Optionally, the horizontal ends of the guard plates of the first insulating cover plate and the second insulating cover plate are also provided with U-shaped grooves with notches horizontally outwards.
As can be seen from the above, the insulating cover assembly of the present embodiment is applied to the following principle that the insulating cover assembly of the present embodiment may be assembled to a battery unit, for example: a first insulating cover plate is respectively and tightly fixed on two opposite side surfaces of a part of battery unit, so that the first surfaces of the two first insulating cover plates face outwards; two opposite side surfaces of the battery unit at the other part are respectively and closely fixed with a second insulating cover plate, so that the first surfaces of the two second insulating cover plates face outwards. Therefore, the battery unit with two first insulating cover plates fixed on the two side surfaces can be horizontally opposite to the battery unit with two second insulating cover plates 2 fixed on the two side surfaces, the protrusions of the opposite first insulating cover plates and the second insulating cover plates are limited to the clamping grooves opposite to the protrusions, and the adjacent two battery units can be flexibly combined together.
In addition, one of the two opposite side surfaces of each battery unit is tightly fixed with a first insulating cover plate, and the other is tightly fixed with a second insulating cover plate. The first surfaces of the first insulating cover plate and the second insulating cover plate on each lithium ion battery cell are outwards respectively. In this way, when the combination between the battery units is carried out, the surface of one battery unit, which is fixed with the first insulating cover plate, is horizontally opposite to the surface of the other battery unit, which is fixed with the second insulating cover plate, and the protrusions of the opposite first insulating cover plate and second insulating cover plate are limited to the clamping grooves, which are horizontally opposite to the protrusions, so that the adjacent two battery units can be flexibly combined together, and a larger battery unit can be obtained.
It should be noted that, the present embodiment is illustrated for the application of the insulating cover assembly in the battery pack assembly as an example, but is not limited thereto. Similarly, it can be applied to a combined connection between a plurality of modules.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic structural diagram of an insulating cover assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of the insulating cover assembly of FIG. 1;
FIG. 3 is a schematic view of another insulating cover assembly according to an embodiment of the present utility model;
fig. 4 is a schematic side view of a battery cell provided with the insulating cover assembly shown in fig. 1 and 2;
FIG. 5 is an exploded view of the battery cell of FIG. 4;
fig. 6 is a schematic structural diagram of an patch cord according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of an patch cord according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a power cord of a battery pack formed by a plurality of battery pack units according to an embodiment of the present utility model;
fig. 9 and 10 are schematic side structures of battery cells provided with two insulating cover assemblies shown in fig. 3, respectively, according to an embodiment of the present utility model;
FIG. 11 is a schematic side view of two battery cells of the structure of FIG. 4 combined to form a larger battery;
fig. 12 is a schematic side view of two battery cells of the structure of fig. 4 combined to form a larger alternative battery.
Reference numerals: 1: a first insulating cover plate; 2: a second insulating cover plate;
3: a clamping groove; 31: a notch; 32: a groove bottom;
4: a protrusion; 41: a distal end; 42: root part;
5: a charge-discharge protection circuit board; 6: binding wires; 7: a supporting plate;
8: a guard board; 81: a U-shaped groove; 9: an insulating spacer;
10: discharging wire; 11: a male plug-in; 12: a female plug-in;
13: an patch cord; 14: a battery cell; 15: soaking cotton;
16: a charging wire; 17: high-temperature insulating adhesive tape; 18: PVC insulating sleeve.
Description of the embodiments
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the exemplary embodiments and descriptions of the present utility model are provided for illustration of the utility model and are not intended to be limiting.
Examples
See fig. 1-12.
The present embodiment provides an insulating cover assembly, a battery cell (hereinafter referred to as a battery cell for convenience of description) with the insulating cover assembly, and a larger battery pack further composed of a plurality of battery cells.
The battery unit and the battery pack described in this embodiment may be, but not limited to, lithium ion batteries.
The battery unit of the embodiment is formed by electrically connecting at least two battery units (commonly called battery cells) in series, or in parallel, or in a combination of series and parallel between the tabs. The positive and negative electrodes of each battery cell are respectively led out with a discharge wire 10 as current output.
As an illustration of this embodiment, when a plurality of electric cells are used to form a battery unit, after the electric cells are combined together, the electric cells can be bundled together by using the bundling belt 6, and then after the welding and the installation of the circuit structures such as the discharging line 10, the charging line 16, the charging and discharging protection circuit board and the like on the top of the battery unit are completed, the circuit structures of the battery unit and the head of the battery unit can be further and but not limited to tightly covered by using the PVC insulating sleeve 18, so that the integrity of the battery unit is improved, and further battery unit combination is facilitated.
The insulating cover plate assembly provided in this embodiment includes: the first insulating cover plate 1 and the second insulating cover plate 2 can be connected horizontally and oppositely in a buckling mode.
Referring to fig. 1 and 2, a clamping groove 3 is provided on one surface (for convenience of description, the first surface) of the first insulating cover plate 1, and the other surface is planar and can be closely attached to the surface of the battery unit. The second insulating cover plate 2 is provided with a protrusion 4 on one surface (for convenience of description, denoted as a first surface) and the other surface is planar to be closely attached to the surface of the battery cell. When the first insulating cover plate 1 and the second insulating cover plate 2 are horizontally opposite, the first surfaces of the first insulating cover plate 1 and the second insulating cover plate 2 can be opposite, the clamping groove 3 on the first insulating cover plate 1 is horizontally opposite to the protrusion 4 on the second insulating cover plate 2, and the protrusion 4 can be limited into the clamping groove 3, so that the first insulating cover plate 1 and the second insulating cover plate 2 are reliably combined together.
As an alternative to the present embodiment, as shown in fig. 3, a clamping groove 3 and a protrusion 4 may also be provided on the first surface of the first insulating cover plate 1. Correspondingly, the projection 4 and the locking groove 3 are also provided on the first surface of the second insulating cover plate 2. When the first surfaces of the first insulating cover plate 1 and the second insulating cover plate 2 are opposite, the clamping groove 3 on the first insulating cover plate 1 is horizontally opposite to the protrusion 4 on the second insulating cover plate 2, the protrusion 4 on the first insulating cover plate 1 is horizontally opposite to the clamping groove 3 on the second insulating cover plate 2, and any protrusion 4 can be limited to the clamping groove 3 horizontally abutted against the protrusion 4, so that the first insulating cover plate 1 and the second insulating cover plate 2 are more reliably combined together.
In application, the insulating cover assembly of the present embodiment may be attached to a battery cell, such as: a first insulating cover plate 1 is respectively and tightly fixed on two opposite side surfaces of a part of battery unit, so that the first surfaces of the two first insulating cover plates 1 face outwards; two opposite side surfaces of the battery unit at the other part are respectively and closely fixed with a second insulating cover plate 2, so that the first surfaces of the two second insulating cover plates 2 face outwards. In this way, the battery unit with two first insulating cover plates 1 fixed on the two sides and the battery unit with two second insulating cover plates 2 fixed on the two sides are horizontally opposite, so that the protrusions 4 of the opposite first insulating cover plates 1 and second insulating cover plates 2 are limited to the clamping grooves 3 opposite to the protrusions 4 horizontally, and the adjacent two battery units can be flexibly combined together, and after series connection, parallel connection or combined electrical connection of series connection and parallel connection is performed between the discharge wires 10 of the battery units, a larger battery unit can be obtained.
In addition, referring to fig. 4 to 12, a first insulating cover plate 1 is closely fixed to one of opposite side surfaces of each battery cell, and a second insulating cover plate 2 is closely fixed to the other side surface. The first surfaces of the first insulating cover plate 1 and the second insulating cover plate 2 on each lithium ion battery cell are outwards respectively. In this way, when the battery units are combined, the surface of one battery unit, on which the first insulating cover plate 1 is fixed, is horizontally opposite to the surface of the other battery unit, on which the second insulating cover plate 2 is fixed, and in the same way, the protrusions 4 of the opposite first insulating cover plate 1 and second insulating cover plate 2 are limited to the clamping grooves 3, on which the protrusions 4 are horizontally opposite, so that two adjacent battery units can be flexibly combined together, and after the discharge wires 10 of the battery units are electrically connected in series, in parallel or in combination of series and parallel, a larger battery unit can be obtained by combining.
It should be noted that, the present embodiment is illustrated for the application of the insulating cover assembly in the battery pack assembly as an example, but is not limited thereto. Similarly, it can be applied to a combined connection between a plurality of modules.
As an illustration of this embodiment, the power cord shown in fig. 9 may be used as a power cord of the battery pack, but is not limited thereto, to further facilitate the connection with external electric equipment.
As an illustration of this embodiment, a charge-discharge protection circuit board 5 provided with a charge-discharge protection circuit in advance is further provided on top of each battery unit, so as to control charge and discharge of each battery cell of the battery unit, prevent overcharge and overdischarge, and protect the battery unit, and improve cycle performance and safety performance thereof.
From the above, the insulating cover plate assembly of the embodiment is assembled to the side surface of the battery pack monomer, so that two or more battery pack monomers can be conveniently combined to obtain a larger battery pack, the application flexibility of the battery pack monomer is improved, the battery pack monomer can be conveniently combined according to different application scenes, the combined battery pack can be conveniently detached, and the requirements of different electric equipment, different use scenes on power consumption voltage, power consumption current, battery pack capacity and the like are met. The battery has the characteristics of convenience and flexibility in assembly, and is beneficial to improving the application flexibility and the universality of the battery.
It should be noted that, the present embodiment is illustrated by using the insulating cover assembly to flexibly combine between the battery units to form a larger battery, but the application of the insulating cover assembly of the present embodiment is not limited thereto.
As an illustration of the present embodiment, the length of the card slot 3 may be designed to be shorter than the width of the insulating cover plate where it is located, or the length of the card slot 3 may be designed to be equal to the width of the insulating cover plate where it is located, as shown in fig. 1 to 9. The clamping groove 3 can be arranged at one or more than two positions of the upper end, the middle part or the lower part of the insulating cover plate. For example, a clamping groove 3 is preferably arranged at the upper end and the lower end of the insulating cover plate respectively;
as an illustration of this embodiment, the length of the protrusion 4 may be designed to be shorter than the width of the insulating cover plate where it is located, or the length of the protrusion 4 may be designed to be equal to the width of the insulating cover plate where it is located, as shown in fig. 1 to 9. The position of the protrusion 4 may be set at one or more than two positions of the upper end, the middle part or the lower part of the insulating cover plate where it is located. For example, a protrusion 4 is preferably provided at each of the upper and lower ends of the insulating cover.
As an illustration of the present embodiment, one end of the card slot 3 may be provided as an open end, or both ends may be designed as open ends, but not limited thereto. In this way, when assembling the two battery units, the side surface of the other battery unit, on which the protrusion 4 is arranged, can be opposite to the side surface of the other battery unit, on which the clamping groove 3 is arranged, the protrusion 4 slides into the clamping groove 3 from the open end of the clamping groove 3, and the protrusion 4 slides along the clamping groove 3 by further pushing, so that the two battery units are horizontally opposite. By adopting the technical scheme, the convenience of combination of two battery monomers is further improved, and the assembly efficiency is improved.
As an illustration of this embodiment, the protrusions 4 and the clamping grooves 3 may be, but not limited to, provided horizontally, and when two battery units are assembled, the protrusions 4 may slide horizontally along the clamping grooves 3, so as to further facilitate assembly or disassembly between the battery units.
As an illustration of the present embodiment, the protrusion 4 may be, but not limited to, designed such that the width of the root 42 of the protrusion 4 connected to the first surface of the insulating cover where it is located is narrower than the width of the distal end 41 of the first surface of the insulating cover where it is located, and the cross section of the protrusion 4 perpendicular to the length direction thereof has a convex shape inverted on the outer side.
Accordingly, the card slot 3 may be, but is not limited to, designed in such a structure that the width of the slot bottom 32 of the card slot 3 on the first surface of the insulating cover plate where it is located is wider than the width of the slot opening 31 opposite to the slot bottom 32.
The width of the protrusion 4 when two battery unit combinations are performed; the wider distal end 41 is tightly attached to the groove bottom 32 of the clamping groove 3, and the root 42 with the narrower width of the protrusion 4 extends out of the notch 31 of the clamping groove 3, so that the protrusion 4 can slide along the clamping groove 3 but cannot be separated from the notch 31, thereby being beneficial to improving the reliability of connection between battery units.
As an illustration of this embodiment, the bottom ends of the insulating cover plates are respectively provided with a pallet 7 horizontally extending in a direction opposite to the first surface of each insulating cover plate, and when the two insulating cover plates are assembled to the battery unit, the pallets 7 of the insulating cover plates located on both sides of the battery unit are horizontally opposite, and the battery unit is assembled to the opposite pallets 7. Thus, when the battery unit needs to be moved, the two insulating cover plates acting on the two sides of the battery unit can realize the movement of the whole battery unit. Therefore, when the two insulating cover plates are connected with the battery unit, the battery unit body can be placed on the supporting plates 7 of the two insulating cover plates, the two insulating cover plates are bound on the two opposite side surfaces of the battery unit by the binding wire 6, solidification and bonding are not needed, and the battery unit is more convenient and flexible to install and detach.
As an illustration of this embodiment, foam 15 may be further provided between the battery unit and the pallet 7 at the bottom thereof to provide vibration damping for the battery unit, which is advantageous for protecting the battery unit.
As an illustration of this embodiment, the top ends of the two insulating cover plates at two sides of the battery unit may be further provided with a horizontally extending guard plate 8, where the guard plate 8 extends above the top of the battery unit=located between the two insulating cover plates, and the top of the battery unit and the guard plate 8 have a certain height gap, and the guard plate 8 provides protection for the circuit structure of the top of the battery unit located below the guard plate 8, so as to avoid collision damage.
Taking the example that the top of the battery pack monomer is provided with the charge-discharge protection circuit board 5, the charge-discharge protection circuit board 5 is positioned below the guard plate 8, and foam 15 (preferably fireproof foam) is filled between the charge-discharge protection circuit board 5 and the guard plate 8, so that the protection of the battery pack monomer is further improved.
As an illustration of this embodiment, but not limited to, a U-shaped groove 81 is provided on the guard plate 8, the notches 31 of the U-shaped grooves 81 of the guard plates 8 on both sides of the battery cell are horizontally opposite, an insulating isolation plate 9 is inserted into the opposite U-shaped groove 81 of the guard plate 8, the insulating isolation plate 9 is located between the opposite guard plates 8, and foam 15 is filled under the insulating isolation plate 9 to further provide protection for the circuit structure of the top of the battery cell.
As an illustration of the embodiment, the insulating cover plate of the present embodiment is preferably formed by molding a fireproof material PVC by a plastic extrusion process, and the protecting plate 8, the protrusion 4 and the clamping groove 3 on each insulating cover plate are integrally molded on the insulating cover plate.
As an illustration of the present embodiment, the present embodiment further provides a technical solution for serial-parallel electrical connection between the battery cells.
The conductor connectors are arranged at the tail ends of the discharging wires 10 of the battery units, so that the electric connection between the battery units can be realized through the connector between the adapter wire 13 and the discharging wires 10 of the battery units without welding or using a connecting tool, and the electric connection efficiency between the battery units is improved. Wherein the electrical connection may be, but is not limited to, series, or parallel, or a combination of series and parallel.
As an illustration of the present embodiment, one of the conductor connectors of the positive power line and the negative power line of the discharge line 10 of the battery cell is provided as a male connector 11, and the other is provided as a female connector 12; alternatively, both the conductor connectors of the positive and negative power lines are male connectors 11 or both are female connectors 12.
As an illustration of this embodiment, a high-temperature insulating tape 17 may be further attached to the top of the battery unit composed of a plurality of electric cells after welding the discharge wire 10 and the charge wire 16, so as to fix and insulate the circuit of the head of the battery unit.
For the electrical connection between the battery units, a one-to-many or many-to-many patch cord 13 is configured, one end of the patch cord 13 is provided with at least one conductor connector, the other end is provided with two or more conductor connectors, and the conductor connectors are connected.
In this way, the electrical connection between the battery cells can be achieved by the one-to-many connector of the patch cord 13 and the electrical discharge cord 10 of each battery cell, and the series connection, parallel connection, and the combination connection of the series connection and the parallel connection between the battery cells can be achieved.
As an illustration of this embodiment, the part of each conductor connector of the patch cord 13 is a female connector 12, the part is a male connector 11, or all the male connectors 11 or all the female connectors 12, and may be specifically selected according to the type of connector on the discharge cord 10 on the matched battery unit and the electrical connection structure between the battery units.
As an illustration of the present embodiment, the present embodiment provides a structure of the male connector 11, in which the connector end of the male connector 11 is a conductor pipe having an outward pipe orifice, gaps are opened on the pipe wall of the conductor pipe, each gap is opened from the pipe orifice to a predetermined depth along the axial direction of the conductor pipe, and each gap spaces the pipe wall of the end of the conductor pipe into a plurality of sheet-like conductors separated by a space. Wherein the gaps on the male plug 11 are evenly distributed along the conductor tube and, correspondingly, the sheet conductors are evenly distributed.
As an illustration of this embodiment, a conductor tube ending in a nozzle may be employed as the socket end of the female connector 12.
As a further illustration, each male connector 11 in the present embodiment may be designed such that, in a natural state, the outer diameter of the distal end of the conductor pipe of the male connector 11 is larger than the outer diameter of the conductor pipe of the male connector 11, and the outer diameter of the distal end of the conductor pipe of the male connector 11 is smaller than the inner diameter of the conductor pipe of each female connector 12, and the outer diameter of the conductor pipe of the male connector 11 is larger than the inner diameter of the conductor pipe. When the male plug 11 is connected with the female plug 12, the male plug 11 is inserted into the conductor tube of the female plug 12, the sheet conductors separated by the gaps on the male plug 11 elastically deform under the extrusion acting force of the inner wall of the female plug 12, the tendency of restoring the natural state is provided, and under the action of the self elastic force, the sheet conductors of the male plug 11 tightly prop against the inner wall of the conductor tube of the male plug 11, so that the reliability of conductor connection is ensured.
The above-described embodiments do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the above embodiments should be included in the scope of the present utility model.
Claims (7)
1. An insulating cover plate assembly is characterized by comprising a first insulating cover plate and a second insulating cover plate,
a clamping groove and/or a bulge are/is arranged on the first surface of the first insulating cover plate,
a clamping groove and/or a bulge are arranged on the first surface of the second insulating cover plate,
when the first surfaces between the first insulating cover plate and the second insulating cover plate are opposite, any clamping groove and/or protrusion on the first insulating cover plate is horizontally opposite to the first surface, and each protrusion can be limited in the corresponding clamping groove.
2. The insulating cover assembly of claim 1, wherein,
one length end of each clamping groove is open; and/or the number of the groups of groups,
both length ends of each clamping groove are open.
3. The insulating cover assembly of claim 2, wherein,
the width of the root of each of the protrusions connected to the first surface is narrower than the width of the distal end away from the first surface;
the width of the groove bottom of each clamping groove, which is positioned on the first surface, is wider than the width of the notch opposite to the groove bottom;
when the protrusion is limited in the clamping groove, the distal end of the protrusion is limited at the bottom of the clamping groove, and the root of the protrusion extends out from the notch of the clamping groove.
4. The insulating cover assembly of claim 1, wherein,
and the bottom ends of the first insulating cover plate and the second insulating cover plate are also provided with supporting plates which horizontally extend along the direction opposite to the first surface.
5. The insulating cover assembly of claim 1, wherein,
and guard plates horizontally extending along the direction opposite to the first surface are further arranged at the top ends of the first insulating cover plate and the second insulating cover plate.
6. The insulating cover assembly of claim 5, wherein,
the horizontal tail ends of the guard plates of the first insulating cover plate and the second insulating cover plate are also provided with U-shaped grooves with the notches horizontally outwards.
7. A battery pack characterized in that a first insulating cover plate or a second insulating cover plate in the insulating cover plate assembly according to any one of claims 1 to 6 is provided at one side of a battery pack body, and a first insulating cover plate or a second insulating cover plate in the insulating cover plate assembly according to any one of claims 1 to 6 is provided at the other opposite side of the battery pack body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499446.8U CN219534775U (en) | 2023-03-15 | 2023-03-15 | Insulating cover plate assembly and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499446.8U CN219534775U (en) | 2023-03-15 | 2023-03-15 | Insulating cover plate assembly and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219534775U true CN219534775U (en) | 2023-08-15 |
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ID=87627729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320499446.8U Active CN219534775U (en) | 2023-03-15 | 2023-03-15 | Insulating cover plate assembly and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219534775U (en) |
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2023
- 2023-03-15 CN CN202320499446.8U patent/CN219534775U/en active Active
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