Battery pack single battery temperature detection mechanism

By designing the fixing plate and contact components, the problem of controlling the thickness of the thermally conductive adhesive coating was solved, achieving stability and consistency in battery temperature detection and ensuring stable contact between the temperature probe and the battery for accurate temperature measurement.

CN223741763UActive Publication Date: 2025-12-30徐亚光
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Patent Information

Application Number
CN202520214348.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-12-30
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

Existing battery temperature sensors suffer from inconsistent sensitivity due to the difficulty in accurately controlling the thickness of the thermally conductive adhesive coating.

Method used

The design employs components such as a fixing plate, contact parts, and connectors. Through the cooperation of fixing grooves, mounting blocks, and detection components, it ensures stable contact between the temperature sensing probe and the battery, reducing differences in detection sensitivity.

Benefits of technology

This achieves stable contact between the temperature sensor and the battery, improving the accuracy and consistency of temperature detection and avoiding data discrepancies caused by uneven coating thickness of the thermally conductive adhesive.

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Abstract

The utility model discloses a battery pack single battery temperature detection mechanism, and relates to the technical field of battery temperature measurement. Comprising a fixing plate, and a plurality of fixing grooves are formed in the outer side of the fixing plate; the contact piece is arranged in the fixing groove and is used for detecting the temperature of the battery; the connecting piece is arranged on the outer side of the fixing plate and used for fixing the position of the fixing plate, a plurality of grooves are further formed in the outer side of the fixing plate, the grooves and the fixing grooves are in one-to-one correspondence, and the contact piece comprises a plurality of mounting blocks. According to the utility model, through the arrangement of the fixing plate and the contact piece, the cooperation of the fixing plate, the fixing groove, the fixing piece, the mounting block, the mounting groove and the detection piece is realized, so that the temperature measurement sensitivity difference of a plurality of detection pieces is reduced in the use process, and the problem that the coating thickness of heat-conducting glue is difficult to accurately control is avoided; therefore, the sensitivity of data detected by the plurality of temperature sensing probes is different.
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Description

Technical Field

[0001] This utility model relates to the field of battery temperature measurement technology, specifically to a battery pack individual cell temperature detection mechanism. Background Technology

[0002] A battery is a cup, tank, or other container or composite container containing an electrolyte solution and metal electrodes to generate an electric current. It is a device that converts chemical energy into electrical energy and has positive and negative electrodes. With the advancement of technology, the term "battery" now generally refers to any small device that can generate electrical energy.

[0003] In order to ensure the stability of battery use, existing batteries require temperature sensors to detect battery temperature. Existing external battery temperature sensors are often fixed with thermally conductive adhesive or tape. However, when using temperature sensors fixed with thermally conductive adhesive, it is difficult to accurately control the coating thickness of the thermally conductive adhesive, resulting in differences in the sensitivity of data detected by multiple temperature sensors. Therefore, a battery pack single cell temperature detection mechanism is proposed. Utility Model Content

[0004] The purpose of this invention is to solve the problem that the sensitivity of data detected by multiple temperature probes is different due to the difficulty in accurately controlling the coating thickness of thermally conductive adhesive. This invention provides a battery pack single cell temperature detection mechanism.

[0005] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0006] A battery pack single cell temperature detection mechanism, comprising:

[0007] A fixing plate, wherein a fixing groove is formed on the outer side of the fixing plate, and there are multiple fixing grooves;

[0008] The contact element, located inside the mounting groove, is used to detect the battery temperature;

[0009] A connector is provided on the outside of the fixing plate and is used to fix the fixing plate in position.

[0010] Furthermore, the outer side of the fixing plate is provided with grooves, and there are multiple grooves, with each groove corresponding to a fixing slot.

[0011] Furthermore, the contact element includes a mounting block, and there are multiple mounting blocks. The mounting blocks are disposed inside the fixing grooves, and each mounting block corresponds to a fixing groove. A fixing piece is provided on the outside of the mounting block, and a mounting groove is opened inside the mounting block. A detection element is provided inside the mounting groove, and the detection element is in contact with the fixing piece.

[0012] Furthermore, a fixing plug is provided inside the mounting groove, and the fixing plug abuts against the detection component.

[0013] Furthermore, the connector includes a first connecting plate and a second connecting plate. The first connecting plate has a sliding groove on the side opposite to the second connecting plate. A sliding plate is slidably connected inside the sliding groove, and the sliding plate is connected to the second connecting plate. Both the first connecting plate and the second connecting plate have connecting grooves on their outer sides, and the connecting grooves penetrate through the first connecting plate and the second connecting plate. Each connecting groove has a connecting block inside, and the connecting block is connected to the fixing plate.

[0014] Furthermore, a rotating disk is rotatably connected to the outside of the first connecting plate. An adjustment groove is provided on the outside of the rotating disk. The adjustment groove is arc-shaped. A sliding block is slidably connected inside the adjustment groove, and the sliding block is connected to the sliding plate.

[0015] The beneficial effects of this utility model are as follows:

[0016] This invention achieves the coordination of the fixing plate, fixing groove, fixing piece, mounting block, mounting groove and detection piece through the setting of fixing plate and contact piece, thereby reducing the difference in temperature measurement sensitivity of multiple detection pieces during use, and avoiding the difference in data sensitivity of multiple temperature probes due to the difficulty in accurately controlling the coating thickness of thermal conductive adhesive. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is an enlarged view of the fixing plate of this utility model;

[0019] Figure 3 This is an enlarged view of the fixing groove of this utility model;

[0020] Figure 4 This is a partial sectional view of the contact element of this utility model;

[0021] Figure 5 This is an enlarged view of the connector of this utility model;

[0022] Reference numerals: 1. Fixing plate; 101. Fixing groove; 102. Groove; 2. Contact element; 201. Fixing piece; 202. Mounting block; 203. Mounting groove; 204. Fixing plug; 205. Detection element; 3. Connecting element; 301. First connecting plate; 302. Second connecting plate; 303. Sliding plate; 304. Sliding groove; 305. Connecting block; 306. Connecting groove; 307. Rotating disk; 308. Adjusting groove; 309. Sliding block. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0025] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0026] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0027] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] like Figures 1 to 5As shown, a battery pack single cell temperature detection mechanism includes: a fixing plate 1 with multiple fixing grooves 101 on its outer side; a contact 2 disposed inside the fixing groove 101 for detecting battery temperature; and a connecting member 3 disposed outside the fixing plate 1 for fixing the fixing plate 1 in position. Specifically, during use, the contact 2 is first installed on the battery surface via the fixing plate 1, ensuring stable contact between the contact 2 and the battery. Then, the fixing plate 1 is installed on the outside of the battery via the connecting member 3, ensuring stable contact between the contact 2 and the battery during use. The fixing groove 101 limits the contact 2 during use, preventing the contact 2 from moving relative to the battery. The fixing plate 1 is made of insulating material to prevent short circuit between the fixing plate 1 and the battery during use.

[0029] like Figures 1 to 5 As shown, the outer side of the fixing plate 1 is also provided with a groove 102. There are multiple grooves 102, and each groove 102 corresponds to a fixing groove 101. Specifically, the groove 102 stores the wires during use, ensuring that the contact 2 and the fixing plate 1 can be stably attached to the battery during use.

[0030] like Figures 1 to 5 As shown, the contact element 2 includes mounting blocks 202, and there are multiple mounting blocks 202. Each mounting block 202 is disposed inside a fixing groove 101, and there is a one-to-one correspondence between the mounting blocks 202 and the fixing groove 101. A fixing plate 201 is provided on the outer side of each mounting block 202, and a mounting groove 203 is formed inside each mounting block 202. A detection element 205 is disposed inside the mounting groove 203, and the detection element 205 contacts the fixing plate 201. Specifically, during use, the detection element 205 is installed inside the fixing groove 101 through the cooperation of the fixing plate 201 and the mounting block 202, so that the detection element 205 can stably measure the battery temperature during use. The mounting blocks 202 and the fixing groove 101 have the same shape. The shape of component 201 is not limited and can be curved, cylindrical, or square. The fixing plate 201 and the mounting block 202 can be connected by clips or bolts. A thermally conductive medium is coated between the fixing plate 201 and the mounting block 202 to ensure that the fixing plate 201 can stably transfer heat to the mounting block 202 during use. The fixing plate 201 and the mounting block 202 are made of materials with good thermal conductivity, such as copper or aluminum. The fixing plate 201 increases the contact area between the detection element 205 and the battery, ensuring the accuracy of the battery temperature measurement during use. The number of fixing plates 201 and mounting blocks 202 can be selected according to the size of the battery to ensure the accuracy of the battery temperature measurement process.

[0031] like Figures 1 to 5As shown, the mounting groove 203 is also provided with a fixing plug 204, and the fixing plug 204 abuts against the detection element 205. Specifically, the fixing plug 204 can fix the detection element 205 inside the mounting groove 203 during use, ensuring the stability of the position of the detection element 205 during use. The fixing plug 204 and the mounting block 202 can be connected by interference fit or snap fastener.

[0032] like Figures 1 to 5 As shown, the connector 3 includes a first connecting plate 301 and a second connecting plate 302. The first connecting plate 301 has a sliding groove 304 on its side relative to the second connecting plate 302. A sliding plate 303 is slidably connected inside the sliding groove 304 and is connected to the second connecting plate 302. Connecting grooves 306 are provided on the outer sides of both the first connecting plate 301 and the second connecting plate 302, and these grooves 306 penetrate through both plates. Connecting blocks 305 are provided inside each connecting groove 306 and are connected to the fixing plate 1. Specifically, the connecting blocks 305 are connected to the fixing plate 1. It can be welded or integrally formed. During the temperature detection of the battery, the fixing plate 1 is stably installed on the outside of the battery through the cooperation of the first connecting plate 301, the second connecting plate 302, the sliding groove 304 and the sliding plate 303, so as to ensure that the fixing plate 1 can stably fit the fixing piece 201 with the battery during use. The connecting block 305 has the same shape as the connecting groove 306. The connecting block 305 can be cylindrical or square columnar. The sliding plate 303 and the sliding groove 304 can be connected by bolts or buckles to ensure the stability of the position of the sliding plate 303 and the first connecting plate 301 during use.

[0033] like Figures 1 to 5 As shown, a rotating disk 307 is rotatably connected to the outer side of the first connecting plate 301. An adjustment groove 308 is provided on the outer side of the rotating disk 307. The adjustment groove 308 is arc-shaped. A sliding block 309 is slidably connected inside the adjustment groove 308. The sliding block 309 is connected to the sliding plate 303. Specifically, the adjustment groove 308 is inclined. During use, the inclined adjustment groove 308 can cooperate with the sliding block 309 to drive the sliding plate 303 to move in position, so as to realize the opposite movement of the first connecting plate 301 and the sliding plate 303. The sliding block 309 and the sliding plate 303 can be connected by bolts or pins.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A battery pack single cell temperature detection mechanism, characterized in that, Include: Fixed plate (1), the fixed plate (1) outside is provided with fixed groove (101), and the fixed groove (101) is multiple; Contact piece (2) is arranged in the fixed groove (101), and is used for detecting the temperature of battery; Connecting piece (3) is arranged outside the fixed plate (1), and is used for fixing the position of the fixed plate (1).

2. The battery cell temperature detection mechanism according to claim 1, wherein The fixed plate (1) outside is also provided with recess (102), the recess (102) is multiple, and the recess (102) corresponds to the fixed groove (101).

3. The battery cell temperature detection mechanism according to claim 2, wherein The contact piece (2) includes mounting block (202), the mounting block (202) is multiple, the mounting block (202) is arranged in the fixed groove (101), and the mounting block (202) corresponds to the fixed groove (101), the mounting block (202) outside is equipped with fixed sheet (201), the mounting block (202) inside is provided with installation groove (203), the installation groove (203) inside is equipped with detection piece (205), and the detection piece (205) is in contact with the fixed sheet (201).

4. The battery cell temperature detection mechanism according to claim 3, wherein The installation groove (203) inside is also equipped with fixed plug (204), and the fixed plug (204) is in abutment with the detection piece (205).

5. The battery cell temperature detection mechanism according to claim 2, wherein The connecting piece (3) includes first connecting plate (301) and second connecting plate (302), the first connecting plate (301) is provided with sliding groove (304) relative to the second connecting plate (302) side, the sliding groove (304) is slidably connected with sliding plate (303), and the sliding plate (303) is connected with the second connecting plate (302), the first connecting plate (301) and the second connecting plate (302) outside are all provided with connecting groove (306), and the connecting groove (306) penetrates the first connecting plate (301) and the second connecting plate (302), the connecting groove (306) inside is all equipped with connecting block (305), and the connecting block (305) is connected with the fixed plate (1).

6. The battery cell temperature detection mechanism according to claim 5, wherein The first connecting plate (301) outside is also rotatably connected with rotating disc (307), the rotating disc (307) outside is provided with adjusting groove (308), the adjusting groove (308) is arc-shaped, the adjusting groove (308) is slidably connected with sliding block (309), and the sliding block (309) is connected with the sliding plate (303).