CN219457975U - Battery pack and electric equipment - Google Patents

Battery pack and electric equipment Download PDF

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Publication number
CN219457975U
CN219457975U CN202320319631.4U CN202320319631U CN219457975U CN 219457975 U CN219457975 U CN 219457975U CN 202320319631 U CN202320319631 U CN 202320319631U CN 219457975 U CN219457975 U CN 219457975U
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China
Prior art keywords
battery pack
busbar
hot
hot pressing
sampling
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Active
Application number
CN202320319631.4U
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Chinese (zh)
Inventor
曾维权
邱万超
蒋明洁
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GAC Aion New Energy Automobile Co Ltd
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GAC Aion New Energy Automobile Co Ltd
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Priority to CN202320319631.4U priority Critical patent/CN219457975U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Mounting, Suspending (AREA)

Abstract

The application provides a battery pack and electric equipment, and relates to the technical field of power batteries. The battery package is provided with pencil isolation component, and pencil isolation component includes: the hot pressing piece is configured to be distributed along the front-back direction and is provided with a plurality of mounting ports along the front-back direction; a busbar thermally pressed at the mounting port to be fixed to the thermo-compression member; the sampling piece is hot riveted on the hot pressing piece and is connected with the busbar. The busbar and the sampling piece are arranged on the hot pressing piece, so that the busbar and the sampling piece can be isolated, the connecting mode of the busbar and the hot pressing piece adopts hot pressing, the connecting mode of the sampling piece and the hot pressing piece is hot-riveted, the process is simple, only hot pressing is needed, large investment of an injection mold, a clamping structure and the like is not needed, the space is saved, and the cost is reduced.

Description

Battery pack and electric equipment
Technical Field
The application relates to the technical field of power batteries, in particular to a battery pack and electric equipment.
Background
Energy conservation and emission reduction are key to sustainable development of the automobile industry. In this case, the electric vehicle is an important component of sustainable development of the automobile industry due to the advantage of energy conservation and environmental protection, and for the electric vehicle, the advantage of battery technology is an important factor for the development of the electric vehicle.
The current power battery module collection board is the working of plastics generally, injection moulding, joint busbar on the higher authority again, hot melt FPC plays an insulating and fixed each busbar and FPC's effect, but this scheme is because the injection moulding needs certain thickness and joint structure space, occupation space is big, with high costs.
Disclosure of Invention
An object of the application is to provide a battery package and consumer, when can save space, reduce cost.
In order to achieve the above purpose, the present application adopts the following technical scheme:
in a first aspect, the present application provides a battery pack provided with a harness isolation assembly comprising: a thermo-compression member configured to be distributed in a front-rear direction, and provided with a plurality of mounting openings in the front-rear direction; a busbar hot-pressed to the mounting port to be fixed to the hot-pressing member; and the sampling piece is hot riveted with the hot pressing piece and is connected with the busbar.
In the implementation process, the busbar and the sampling piece are arranged on the hot pressing piece, so that the busbar and the sampling piece can be isolated, the connecting mode of the busbar and the hot pressing piece adopts hot pressing, the connecting mode of the sampling piece and the hot pressing piece is hot-riveted, the process is simple, only hot pressing is needed, large investment of an injection mold, a clamping structure and the like is not needed, the space is saved, and the cost is reduced.
In some embodiments, the hot press is provided with a first hot press post, the busbar is provided with a first mounting hole, and the first hot press post is configured within the first mounting hole. Through the cooperation of first hot pressing post and first mounting hole, can realize that busbar and hot pressing of hot pressing piece are fixed, need not joint structure, can fix the busbar, also can save space, promote the space utilization of battery package.
In some embodiments, the thermocompression member is further provided with a second thermocompression post, the sampling member is provided with a second mounting hole, and the second thermocompression post is configured in the second mounting hole. Through the cooperation of second hot pressing post and second mounting hole, can realize that the rivet that takes sample piece and hot stamping piece is fixed, need not joint structure, can also save space when fixing the sample piece, promote the space utilization of battery package.
In some embodiments, the battery pack further comprises a battery box, the outer edge of the battery box is provided with the harness isolation assembly, the battery box comprises side plates and end plates, the side plates are distributed along the front-rear direction, the end plates are distributed along the left-right direction, and the side plates are connected with the end plates to enclose a containing cavity.
In the process of the realization, the side plate is connected with the end plate to enclose and close and form and hold the chamber, and the pencil isolation component sets up in the outer fringe of side plate, when making to hold the intracavity and hold the electric core, the pencil isolation component can gather the information of electric core, in order to guarantee the security of electric core in the course of the work.
In some embodiments, the hot-pressing member is disposed at an outer edge of the side plate, and the busbar and the sampling member are disposed at a side of the hot-pressing member away from the side plate. The space of the battery box body can be reasonably utilized, and the space utilization rate of the battery box body is improved.
In some embodiments, the battery pack further comprises a base configured to receive a low pressure member or a high pressure member, the base configured to be connected with the end plate, and the sampling member configured to be connected with the low pressure member or the high pressure member. Through being connected base and end plate for the inner chamber of base holds low pressure spare or high pressure spare, and sampling piece is connected with low pressure spare or high pressure spare, can carry out the atress to the wire harness isolation component through the end plate, guarantees overall structure's steadiness, has improved the security performance of battery package.
In some embodiments, the base is provided with two, one of the bases being located on a front side of the harness isolation assembly and the other of the bases being located on a rear side of the harness isolation assembly. The stability of the whole structure is ensured, and the safety performance of the battery pack is improved.
In some embodiments, a mounting portion extends from an outer edge of the end plate, the mounting portion configured to connect with the base. Through being connected base and installation department, can realize the atress to pencil isolation component, guarantee overall structure's steadiness, improve the security performance of battery package.
In some embodiments, the battery pack further includes a battery cell disposed in the accommodating cavity, the battery cell being configured to be distributed in the left-right direction, the left and right ends of the battery cell being provided with output poles configured to be connected with the bus bar. Through being connected the output pole of electric core with the busbar for the electric core can gather the information of electric core through sampling piece at the in-process of work, with the security of guaranteeing electric core in-process of working.
In a second aspect, the present application further provides a powered device comprising a battery pack as described in any one of the above.
Because the electric equipment provided by the embodiment of the second aspect of the present application includes the battery pack according to the technical scheme of the first aspect, the electric equipment has all technical effects of the above embodiment, and is not described herein again.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for the users of the art.
Fig. 1 is a schematic structural view of a battery pack according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a wire harness insulation assembly of a battery pack according to an embodiment of the present application.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is an enlarged partial schematic view of fig. 3.
Fig. 5 is a side view of a wire harness isolation assembly of a battery pack according to an embodiment of the present application.
Reference numerals
100. A harness isolation assembly; 101. a hot press; 1011. a first hot-pressing column; 102. a busbar; 1021. an arc part; 103. a sampling member; 200. an end plate; 300. a battery cell; 400. and (5) a base.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments herein, without inventive effort are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the inventive product, are merely for convenience of description of the present application and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood to be specific to the user of ordinary skill in the art.
Examples
Based on the consideration of technology, process maturity and processing cost at present, the mainstream new energy automobile at home and abroad all selects conventional module wiring harness isolation board scheme to carry out module electrical connection, and the conventional module wiring harness isolation board scheme mainly comprises three parts such as FPC+wiring harness isolation board+busbar, has following advantage: (1) technical maturity is more mature: the FPC, the wire harness isolation board, the bus bar and the like are physically and simply fixedly connected, wherein the wire harness isolation board is formed by injection molding, the characteristic shape of the wire harness isolation board is easy to obtain, and the material is PP/PA and the like; the FPC is fixed on the wire harness isolation board through pins; the busbar is fixed through a buckle on the wire harness isolation plate; (2) simple and reliable process: the copper bars adopt stamping forming mode, and the pencil division board adopts injection moulding, and is ripe reliable relatively. However, the injection molding piece needs a certain thickness and a certain clamping structure space, so that the scheme is large in occupied space and high in cost.
In view of this, as shown in fig. 1 to 5, the present application provides a battery pack provided with a harness isolation assembly 100, the harness isolation assembly 100 comprising: a thermo-compression member 101 configured to be distributed in a front-rear direction, and in the front-rear direction, the thermo-compression member 101 is provided with a plurality of mounting ports; a busbar 102 hot-pressed to the mounting port to be fixed to the hot press 101; and a sampling member 103 heat-staked to the heat press member 101 and connected to the busbar 102.
The hot pressing member 101 includes, but is not limited to, a plastic member, and is capable of carrying, positioning, insulating and protecting the sampling member, and also capable of preventing the components such as the busbar 102 from being shorted to the battery cell 300 due to abnormal falling and deformation, and the hot pressing member 101 may be made of a thermoplastic resin mixed with a glass fiber material with a certain proportion, and has a certain structural strength, although other materials are not excluded.
The sampling element 103 may be a conductor part of a flexible circuit board (Flexible Printed Circuit, FPC), or may be an FDC (Floppy Disk Controller, floppy drive controller), an FFC (flexible flat cable ), or other sampling technology, where the flexible circuit board is also called a flexible circuit board, and the conventional flexible circuit board includes a sampling guide and an insulating part, and the insulating part covers the periphery of the conductor part to form an insulating protection for the sampling element 103. Sampling piece 103 can include collection end and transmission section, and the collection end can be for the voltage collection end that is used as voltage acquisition, and the voltage collection end can be connected with electric core 300 for voltage collection end can gather the voltage signal of electric core 300, and the transmission section can be to the signal transmission that collection end gathered. Of course, the conductor layer portion may also integrate a temperature acquisition unit (such as a temperature sensor) to acquire a temperature signal of the battery cell 300.
It should be noted that, as shown in fig. 5, when the busbar 102 and the hot pressing member 101 are fixed by a hot pressing method, and the sampling member 103 and the hot pressing member 101 are fixed by a hot riveting method, the rear side of the hot pressing member 101 may be made thin, which is a space advantage compared with the injection-molded structural partition board.
In the implementation process, the busbar 102 and the sampling piece 103 are arranged on the hot pressing piece 101, so that the busbar 102 and the sampling piece 103 can be isolated, the connecting mode of the busbar 102 and the hot pressing piece 101 adopts hot pressing, the connecting mode of the sampling piece 103 and the hot pressing piece 101 is hot-riveted, the process is simple, only hot pressing is needed, large investment of an injection mold, a clamping structure and the like is not needed, the space is saved, and the cost is reduced.
As shown in fig. 3 to 4, the heat press 101 is provided with a first heat press column 1011, the busbar 102 is provided with a first mounting hole, the first heat press column 1011 is disposed in the first mounting hole, at least one first mounting hole is provided, and when the middle position of the busbar 102 is provided with an arc 1021, two first mounting holes may be provided and are respectively located at the left and right sides of the arc 1021. Through the cooperation of first hot pressing post 1011 and first mounting hole, can realize that busbar 102 and hot pressing spare 101's hot pressing is fixed, need not the joint structure, can also save space when fixing busbar 102, promote the space utilization of battery package.
In some embodiments, the heat pressing member 101 is further provided with a second heat pressing post, and the sampling member 103 is provided with a second mounting hole, and the second heat pressing post is disposed in the second mounting hole. Through the cooperation of second hot pressing post and second mounting hole, can realize that sampling piece 103 and hot pressing piece 101 rivet hot fixedly, need not the joint structure, can also save space when fixing sampling piece 103, promote the space utilization of battery package.
As shown in fig. 1, the battery pack further includes a battery box, the outer edge of the battery box is provided with the harness isolation assembly 100, the battery box includes a side plate and an end plate 200, the side plate is distributed along the front-rear direction, the end plate 200 is distributed along the left-right direction, and the side plate is connected with the end plate 200 to enclose and form a containing cavity, wherein the side plate is provided with two pieces, two pieces of the side plate are distributed along the left-right direction at intervals, the end plate 200 is provided with two pieces of the end plate 200 is distributed along the front-rear direction at intervals, and one side of the end plate 200 is connected with the side plate to enclose and form the containing cavity.
In the above-mentioned realization process, the curb plate is connected with end plate 200 to enclose and close and form and hold the chamber, and pencil isolation assembly 100 sets up in the outer fringe of curb plate, when making to hold the chamber and hold electric core 300, pencil isolation assembly 100 can gather the information of electric core 300, in order to guarantee the security of electric core 300 in the course of the work.
In some embodiments, the heat pressing member 101 is disposed at an outer edge of the side plate, and the busbar 102 and the sample member 103 are disposed at a side of the heat pressing member 101 away from the side plate. The space of the battery box body can be reasonably utilized, and the space utilization rate of the battery box body is improved.
In some embodiments, the battery pack further includes a base 400, the base 400 configured to receive a low pressure member or a high pressure member, the base 400 configured to be connected with the end plate 200, and the sampling member configured to be connected with the low pressure member or the high pressure member. Through being connected base 400 and end plate 200 for the inner chamber of base 400 holds low pressure spare or high pressure spare, and sampling piece is connected with low pressure spare or high pressure spare, can carry out the atress to the wire harness isolation assembly 100 through end plate 200, guarantees overall structure's steadiness, has improved the security performance of battery package.
In some embodiments, the base 400 is provided with two, one of the base 400 being located at the front side of the harness isolation assembly 100 and the other base 400 being located at the rear side of the harness isolation assembly 100. The stability of the whole structure is ensured, and the safety performance of the battery pack is improved.
Referring to fig. 1 again, the outer edge of the end plate 200 extends to form a mounting portion, and the mounting portion is configured to be connected to the base 400, where the mounting portion and the base 400 may be fixed by bolts. By connecting the base 400 with the mounting portion, the stress on the harness isolation assembly 100 can be realized, the stability of the overall structure is ensured, and the safety performance of the battery pack is improved.
In some embodiments, the battery pack further includes a battery cell 300, the battery cell 300 is disposed in the accommodating cavity, the battery cell 300 is configured to be distributed along the left-right direction, the left and right ends of the battery cell 300 are both provided with output poles, the output poles are configured to be connected with the bus bar 102, wherein the battery cell 300 is provided with a plurality of battery cells along the front-rear direction, and two adjacent battery cells 300 are connected in series or in parallel through the bus bar 102. By connecting the output electrode of the battery cell 300 with the busbar 102, the information (such as the temperature or voltage signal of the battery cell 300) of the battery cell 300 can be collected by the sampling piece in the working process of the battery cell 300, so as to ensure the safety of the battery cell 300 in the working process.
In the present application, the battery cell 300 may include a lithium ion secondary battery cell 300, a lithium ion primary battery cell 300, a lithium sulfur battery cell 300, a sodium lithium ion battery cell 300, a sodium ion battery cell 300, or a magnesium ion battery cell 300, which is not specifically limited in the embodiment of the present application.
The battery cell 300 includes an electrode assembly and an electrolyte, wherein the electrode assembly includes a positive electrode tab, a negative electrode tab, and a separator. The cell 300 operates primarily by virtue of metal ions moving between the positive and negative electrode sheets. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, and the positive electrode active material layer is coated on the surface of the positive electrode current collector; the positive current collector comprises a positive current collecting part and a positive lug, wherein the positive current collecting part is coated with a positive active material layer, and the positive lug is not coated with the positive active material layer. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, the positive electrode active material layer includes a positive electrode active material, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like. The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, and the negative electrode active material layer is coated on the surface of the negative electrode current collector; the negative electrode current collector includes a negative electrode current collecting portion and a negative electrode tab, the negative electrode current collecting portion being coated with a negative electrode active material layer, the negative electrode tab not being coated with the negative electrode active material layer. The material of the anode current collector may be copper, the anode active material layer includes an anode active material, and the anode active material may be carbon or silicon, or the like. The material of the separator can be PP (polypropylene) or
PE (polyethylene), and the like.
In a second aspect, the present application further provides a powered device comprising a battery pack as described in any one of the above. The power device may be, but is not limited to, a cell phone, tablet, notebook computer, electric toy, electric tool, battery car, electric car, ship, spacecraft, etc. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.
The battery described in the embodiments of the present application is not limited to the above-described electric device, but may be applied to all electric devices using batteries, but for simplicity of description, the following embodiment uses an electric device of an embodiment of the present application as an example of a vehicle. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle and the like. The interior of the vehicle is provided with a battery pack, which may be provided at the bottom or at the head or at the tail of the vehicle. The battery pack may be used for power supply of the vehicle, for example, the battery pack may be used as an operating power source of the vehicle. The vehicle may also include a controller and a motor, the controller being configured to control the battery pack to power the motor, for example, for operating power requirements during start-up, navigation, and travel of the vehicle.
In other embodiments, the battery pack may be used not only as an operating power source for the vehicle, but also as a driving power source for the vehicle, instead of or in part instead of fuel oil or natural gas, to provide driving power for the vehicle.
Because the electric equipment provided by the embodiment of the second aspect of the present application includes the battery pack according to the technical scheme of the first aspect, the electric equipment has all technical effects of the above embodiment, and is not described herein again.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. A battery pack, wherein the battery pack is provided with a harness isolation assembly, the harness isolation assembly comprising:
a thermo-compression member configured to be distributed in a front-rear direction, and provided with a plurality of mounting openings in the front-rear direction;
a busbar hot-pressed to the mounting port to be fixed to the hot-pressing member;
and the sampling piece is hot riveted with the hot pressing piece and is connected with the busbar.
2. The battery pack of claim 1, wherein the hot press is provided with a first hot press post, the busbar is provided with a first mounting hole, and the first hot press post is disposed within the first mounting hole.
3. The battery pack of claim 1, wherein the hot press member is further provided with a second hot press post, the sampling member is provided with a second mounting hole, and the second hot press post is disposed in the second mounting hole.
4. The battery pack according to claim 1, further comprising a battery case, wherein the harness isolation assembly is provided at an outer periphery of the battery case, the battery case comprises side plates and end plates, the side plates are distributed in the front-rear direction, the end plates are distributed in the left-right direction, and the side plates are connected with the end plates to enclose a receiving chamber.
5. The battery pack of claim 4, wherein the heat pressing member is disposed at an outer edge of the side plate, and the bus bar and the sampling member are disposed at a side of the heat pressing member away from the side plate.
6. The battery pack of claim 4, further comprising a base configured to receive a low pressure or high pressure member, the base configured to connect with the end plate, the sampling member configured to connect with the low pressure member or the high pressure member.
7. The battery pack according to claim 6, wherein two of the bases are provided, one of the bases being located on a front side of the harness isolation assembly and the other of the bases being located on a rear side of the harness isolation assembly.
8. The battery pack of claim 6, wherein a mounting portion extends from an outer edge of the end plate, the mounting portion configured to connect with the base.
9. The battery pack according to claim 4, further comprising a cell disposed in the accommodating chamber, the cell being configured to be distributed in the left-right direction, the cell being provided with output poles at both left and right ends thereof, the output poles being configured to be connected with the bus bar.
10. A powered device comprising the battery pack of any of claims 1-9.
CN202320319631.4U 2023-02-23 2023-02-23 Battery pack and electric equipment Active CN219457975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320319631.4U CN219457975U (en) 2023-02-23 2023-02-23 Battery pack and electric equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320319631.4U CN219457975U (en) 2023-02-23 2023-02-23 Battery pack and electric equipment

Publications (1)

Publication Number Publication Date
CN219457975U true CN219457975U (en) 2023-08-01

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN219457975U (en)

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