Packaging structure of electrochemical hybrid energy storage device

Abstract

The utility model belongs to the technical field of electrochemical energy storage devices, and particularly relates to a packaging structure of an electrochemical hybrid energy storage device, which comprises a packaging shell and a packaging assembly, a fireproof partition plate and a fixing block are arranged in an inner cavity of the packaging shell, a first spring is arranged in the inner cavity of the packaging shell, and a second spring is arranged in the inner cavity of the packaging shell. A first clamping block is mounted on the first spring, the first clamping block is clamped with the battery body, a packaging assembly is arranged at an opening of the packaging shell, the packaging assembly comprises a packaging cover, a second spring is mounted on the packaging cover, the second spring is connected with a second clamping block, and fixing bolts are arranged at two ends of the packaging cover. Through the first spring mounted in the inner cavity of the packaging shell and the second spring mounted on the inner wall of the packaging cover, impact on the battery body can be reduced, the battery body is prevented from being damaged when subjected to impact force, and compared with the prior art, the safety of the battery can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrochemical energy storage devices, in particular to a packaging structure of an electrochemical hybrid energy storage device. Background Art

[0002] Electrochemical storage devices include lithium-ion batteries, which are a common energy storage device, mainly composed of positive electrodes, negative electrodes, electrolytes and diaphragms. It has the advantages of high energy density, relatively mature technology, and long cycle life, and is suitable for electric vehicles, energy storage power stations, photovoltaic and wind power generation systems, etc. However, lithium-ion batteries have disadvantages such as low safety and fast self-discharge.

[0003] Existing lithium-ion batteries need to be packaged after production to improve their protection performance. The packaging structure in the prior art cannot reduce the impact force on the lithium-ion battery during use, so the lithium-ion battery may be damaged when it is impacted, so it needs to be improved. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the packaging structure of the existing electrochemical hybrid energy storage device, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a packaging structure for an electrochemical hybrid energy storage device. By means of a first spring installed in the inner cavity of the packaging shell and a second spring installed on the inner wall of the packaging cover, the impact on the battery body can be reduced, and the battery body can be prevented from being damaged when subjected to impact force. Compared with the prior art, the safety of the battery can be greatly increased.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A packaging structure of an electrochemical hybrid energy storage device, comprising a packaging shell and a packaging component;

[0009] The inner cavity of the packaging shell is provided with a fireproof partition and a fixing block, the inner cavity of the packaging shell is provided with a first spring, a first clamping block is installed on the first spring, the first clamping block is clamped with the battery body, a packaging assembly is provided at the opening of the packaging shell, the packaging assembly includes a packaging cover, a second spring is installed on the packaging cover, the second spring is connected to the second clamping block, and fixing bolts are provided at both ends of the packaging cover.

[0010] As a preferred solution of the packaging structure of an electrochemical hybrid energy storage device described in the utility model, wherein: the fireproof partition is a plurality of evenly arranged and fixedly connected to the inner wall of the packaging shell.

[0011] As a preferred solution of the packaging structure of an electrochemical hybrid energy storage device described in the utility model, wherein: the first spring is located on the inner walls of both sides and the rear of the packaging shell, and is fixedly connected to the inner wall of the packaging shell.

[0012] As a preferred solution of the packaging structure of an electrochemical hybrid energy storage device described in the utility model, wherein: a pressure relief hole is opened on the outer wall of the rear portion of the packaging shell, and the pressure relief holes are located on both sides of the rear portion of the packaging shell.

[0013] As a preferred solution of the packaging structure of an electrochemical hybrid energy storage device described in the utility model, wherein: the fixing blocks are located on both sides of the inner wall of the packaging shell, and screw holes are opened on the fixing blocks.

[0014] As a preferred solution of the packaging structure of the electrochemical hybrid energy storage device described in the utility model, wherein: the second spring is located on the inner wall of the packaging cover and is fixedly connected to the packaging cover.

[0015] As a preferred solution of the packaging structure of the electrochemical hybrid energy storage device described in the utility model, wherein: the fixing bolt passes through the packaging cover and is screwed to the fixing block.

[0016] Compared with the prior art, the beneficial effect of the utility model is that the first spring installed in the inner cavity of the packaging shell and the second spring installed on the inner wall of the packaging cover can reduce the impact on the battery body and prevent the battery body from being damaged when it is subjected to impact force. Compared with the prior art, the safety of the battery can be greatly increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the packaging component of the utility model.

[0022] In the figure, 100 packaging shell, 110 fireproof partition, 120 fixing block, 130 first spring, 140 first clamping block, 150 battery body, 160 pressure relief hole, 200 packaging component, 210 packaging cover, 220 second spring, 230 second clamping block, 240 fixing bolt. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] The utility model provides the following technical solution: a packaging structure of an electrochemical hybrid energy storage device, during use, through a first spring installed in the inner cavity of the packaging shell and a second spring installed on the inner wall of the packaging cover, the impact on the battery body can be reduced to prevent the battery body from being damaged when it is subjected to impact force, which can greatly increase the safety of the battery compared with the prior art

[0028] Figure 1-Figure 4The schematic diagram of the first embodiment of the packaging structure of the electrochemical hybrid energy storage device of the utility model is shown. Figure 1-Figure 4 , a packaging structure of an electrochemical hybrid energy storage device in this embodiment, the main part of which includes a packaging shell 100 and a packaging component 200;

[0029] The inner cavity of the packaging shell 100 is provided with a fireproof baffle 110 and a fixing block 120, the inner cavity of the packaging shell 100 is provided with a first spring 130, a first clamping block 140 is installed on the first spring 130, the first clamping block 140 is clamped with the battery body 150, a packaging assembly 200 is provided at the opening of the packaging shell 100, a plurality of fireproof baffles 110 are evenly arranged, and are fixedly connected to the inner wall of the packaging shell 100, the first spring 130 is located on the inner walls of both sides and the rear of the packaging shell 100, and is fixedly connected to the inner wall of the packaging shell 100, a pressure relief hole 160 is opened on the outer wall of the rear of the packaging shell 100, and the pressure relief hole 160 is located at the sealing The two sides of the rear of the packaging shell 100, the fixing blocks 120 are located on the two sides of the inner wall of the packaging shell 100, and screw holes are opened on the fixing blocks 120. The packaging shell 100 is used to improve the protection performance of the battery body 150, the fireproof partition 110 is used to improve the fireproof performance between the battery bodies 150, the fixing blocks 120 are used to open screw holes, the first spring 130 is used to cooperate with the first clamping block 140 to fix the battery body 150 and reduce the impact force on the battery body 150, and the pressure relief hole 160 is used to discharge through the pressure relief hole 160 when the battery fails and burns, thereby reducing the pressure in the packaging shell 100 and preventing the occurrence of explosion;

[0030] The packaging assembly 200 includes a packaging cover 210, on which a second spring 220 is installed, the second spring 220 is connected to a second clamping block 230, and fixing bolts 240 are arranged at both ends of the packaging cover 210, the second spring 220 is located on the inner wall of the packaging cover 210, and is fixedly connected to the packaging cover 210, the second spring 220 is located on the inner wall of the packaging cover 210, and is fixedly connected to the packaging cover 210, the packaging assembly 200 is used to close the opening of the packaging shell 100, the packaging cover 210 is used to carry the second spring 220, the second spring 220 is used to connect the second clamping block 230, the second clamping block 230 is used to clamp the front part of the battery body 150, so as to reduce the impact force on the battery body 150, and the fixing bolts 240 are used to connect the packaging cover 210 and the fixing block 120;

[0031] Combination Figure 1-Figure 4The packaging structure of an electrochemical hybrid energy storage device in this embodiment has the following specific working principle: the packaging cover 210 is fixedly connected to the fixing block 120 by the fixing bolt 240, so that the second clamping block 230 is clamped with the battery body 150. The second spring 220 and the second clamping block 230 arranged in the packaging component 200 cooperate with the first spring 130 and the first clamping block 140 installed in the inner cavity of the packaging shell 100, which can reduce the impact on the battery body 150 and prevent the battery body 150 from being damaged when it is subjected to impact force. Compared with the prior art, the safety of the battery can be greatly increased.

[0032] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A packaging structure of an electrochemical hybrid energy storage device, characterized in that: It comprises a packaging shell (100) and a packaging component (200); The inner cavity of the packaging shell (100) is provided with a fireproof baffle (110) and a fixing block (120); the inner cavity of the packaging shell (100) is provided with a first spring (130); a first clamping block (140) is mounted on the first spring (130); the first clamping block (140) is clamped with the battery body (150); a packaging assembly (200) is provided at the opening of the packaging shell (100); the packaging assembly (200) includes a packaging cover (210); a second spring (220) is mounted on the packaging cover (210); the second spring (220) is connected to the second clamping block (230); and fixing bolts (240) are provided at both ends of the packaging cover (210).

2. The packaging structure of an electrochemical hybrid energy storage device according to claim 1, characterized in that: The fireproof partitions (110) are multiple and evenly arranged, and are fixedly connected to the inner wall of the packaging shell (100).

3. The packaging structure of an electrochemical hybrid energy storage device according to claim 1, characterized in that: The first spring (130) is located on the inner walls of both sides and the rear of the packaging shell (100), and is fixedly connected to the inner wall of the packaging shell (100).

4. The packaging structure of an electrochemical hybrid energy storage device according to claim 1, characterized in that: The rear outer wall of the packaging shell (100) is provided with pressure relief holes (160), and the pressure relief holes (160) are located on both sides of the rear of the packaging shell (100).

5. The packaging structure of an electrochemical hybrid energy storage device according to claim 1, characterized in that: The fixing blocks (120) are located on both sides of the inner wall of the packaging shell (100), and screw holes are provided on the fixing blocks (120).

6. The packaging structure of an electrochemical hybrid energy storage device according to claim 1, characterized in that: The second spring (220) is located on the inner wall of the packaging cover (210) and is fixedly connected to the packaging cover (210).

7. The packaging structure of an electrochemical hybrid energy storage device according to claim 1, characterized in that: The fixing bolt (240) passes through the packaging cover (210) and is threadedly connected to the fixing block (120).

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