Temperature acquisition structure and battery pack with same

Abstract

The utility model provides a temperature acquisition structure and a battery pack with the temperature acquisition structure, the temperature acquisition structure comprises a support, a circuit board and a fixing seat, the support is used for being fixed on a battery cell, the fixing seat and the circuit board are both arranged on the support, and a fixing groove is formed in the fixing seat; the temperature detection piece is mounted in the fixing groove; and the fixing piece is fixedly connected with the fixing seat, and at least part of the fixing piece covers the temperature detection piece. Through the technical scheme provided by the invention, the problem that the installation stability of the temperature acquisition part in the related technology is relatively poor can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery temperature acquisition structure, in particular to a temperature acquisition structure and a battery pack with the same. BACKGROUND

[0002] At present, in order to facilitate the acquisition of the temperature of the battery cell, a temperature acquisition piece for acquiring the temperature of the battery cell is often arranged. In order to facilitate the acquisition of the temperature of the corresponding battery cell, the temperature acquisition piece is generally attached to the corresponding battery cell, and the temperature acquisition piece is electrically connected with the circuit board.

[0003] However, by using such a structure, the temperature acquisition piece can only be limited and fixed on one side by adhesive connection, and the limiting degree of the temperature acquisition piece is weak, so that the installation stability of the temperature detection piece is poor. In this way, once the connection wire bundle is pulled or the battery cell is expanded and displaced, the heat-conducting adhesive on the temperature acquisition piece will fall off, and the temperature acquisition of the temperature detection piece will fail. UTILITY MODEL CONTENT

[0004] The main purpose of the present application is to provide a temperature acquisition structure and a battery pack with the same, so as to solve the problem of poor installation stability of the temperature acquisition piece in the related art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present application, a temperature acquisition structure is provided, comprising:

[0006] A support, a circuit board and a fixing seat, the support is used for fixing on the battery cell, the fixing seat and the circuit board are arranged on the support, and the fixing seat is provided with a fixing groove;

[0007] A temperature detection piece installed in the fixing groove;

[0008] A fixing piece fixedly connected with the fixing seat, at least part of the fixing piece covers the temperature detection piece.

[0009] Further, the first connecting part of the circuit board is arranged opposite to the groove of the fixing groove, and the temperature detection piece is connected with the first connecting part; and / or,

[0010] At least part of the fixing piece covers the groove of the fixing groove.

[0011] Further, the fixing piece has a first fixing part and a second fixing part arranged at intervals, the first fixing part is connected with the part of the fixing seat located on one side of the groove of the fixing groove, and the second fixing part is connected with the part of the fixing seat located on the other side of the groove.

[0012] Further, the first fixing part is a first connecting hole, and the fixing seat located on one side of the groove is provided with a first rivet column matched with the first connecting hole; and / or,

[0013] The second fixing part is a second connecting hole, and the fixing seat located on the other side of the slot is provided with a second riveting column matched with the second connecting hole.

[0014] Further, the bracket is provided with a positioning groove, and the shape of the positioning groove is matched with the shape of the fixing seat.

[0015] Further, the temperature collection structure further comprises a first connecting row and a second connecting row fixedly arranged on the bracket, and the first connecting row and the second connecting row are respectively located on two sides of the circuit board; the fixing seat comprises a first fixing segment, an intermediate connecting segment and a second fixing segment connected in sequence;

[0016] The first fixing segment is clamped between the first connecting row and the bracket; and / or,

[0017] The second fixing segment is clamped between the second connecting row and the bracket; and / or,

[0018] At least part of the intermediate connecting segment is clamped between the circuit board and the bracket.

[0019] Further, the bracket is provided with a positioning groove, and the positioning groove has a first groove segment, an intermediate groove segment and a second groove segment connected in sequence; the first groove segment is matched with the first fixing segment, and the first fixing segment is arranged in the first groove segment; the second groove segment is matched with the second fixing segment, and the second fixing segment is arranged in the second groove segment; the intermediate groove segment is arranged opposite to the intermediate connecting segment, and the intermediate connecting segment is arranged in the intermediate groove segment.

[0020] Further, the first fixing segment comprises a first connecting body and a first connecting protrusion, and the first connecting protrusion protrudes from one side of the first connecting body away from the intermediate connecting part; and / or,

[0021] The second fixing segment comprises a second connecting body and a second connecting protrusion, and the second connecting protrusion protrudes from one side of the second connecting body away from the intermediate connecting part; and / or,

[0022] The intermediate connecting segment is provided with a hollow part.

[0023] Further, the first connecting row is of an asymmetric structure, and the number of positioning parts on one side of the first connecting row is different from the number of positioning parts on the other side of the first connecting row; and / or,

[0024] The second connecting row is of an asymmetric structure, and the number of positioning parts on one side of the second connecting row is different from the number of positioning parts on the other side of the second connecting row.

[0025] Further, the fixing groove is a hollow groove, the bracket is provided with a communication hole in communication with the hollow groove and arranged opposite to the hollow groove, and the temperature detection piece is attached to the part of the battery cell located at the communication hole.

[0026] Further, the temperature collection structure further comprises:

[0027] The heat-conducting mud is filled in the hollowed-out groove.

[0028] Further, the circuit board comprises a body part and a first connecting part connected with each other, the first connecting part is arranged opposite to the slot opening of the fixing groove, the temperature detection member is connected with the first connecting part, and the first connecting part and the body part have a first hollow gap therebetween.

[0029] Further, the first connecting part is a bent strip, one end of the bent strip is connected with the body part, and the other end of the bent strip is connected with the temperature detection member; and the first hollow gap comprises a first gap and a second gap which are arranged at two sides of the bent strip.

[0030] Further, the circuit board further comprises a body part and a second connecting part connected with the body part, the second connecting part and the body part have a second hollow gap therebetween; and / or,

[0031] The temperature collection structure further comprises an output busbar, the output busbar comprises a busbar body and an output part connected with each other, the busbar body is arranged on the support, the output part is bent relative to the busbar body and extends out of the support; and the busbar body is provided with a separation gap, the separation gap is arranged adjacent to a bent connecting section of the output part.

[0032] Further, the support and the fixing seat are made of insulating materials; and / or,

[0033] The thickness of the fixing seat is greater than the thickness of the support.

[0034] According to another aspect of the present application, a battery pack is provided, comprising the above-provided temperature collection structure.

[0035] By means of the fixing seat and the fixing member, and by fixing the fixing member to the fixing seat and covering the temperature detection member, the position of the temperature detection member in the fixing groove can be effectively limited, so that the temperature detection member is prevented from being pulled out of the fixing groove, and the temperature detection member is prevented from being displaced by external factors or even separated from the battery cell, so that the installation stability of the temperature detection member is ensured, and the temperature collection member can be ensured to stably collect the temperature of the battery cell, and the accuracy of temperature collection is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0036] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the specification explain the application. The use of these drawings in explaining the application is in no way intended as a limitation on the full scope of the application, and the illustrative embodiments of the application are explained and are not meant to be limiting in any way.

[0037] Figure 1A structural schematic diagram of a temperature collection structure according to an embodiment of the present application is shown.

[0038] Figure 2 A partial structural enlarged schematic diagram of the temperature collection structure is shown. Figure 1

[0039] Figure 3 A structural schematic diagram of an output busbar according to an embodiment of the present application is shown.

[0040] Figure 4 A structural schematic diagram of a bracket according to an embodiment of the present application is shown.

[0041] Figure 5 A structural schematic diagram of a fixing seat according to an embodiment of the present application is shown.

[0042] Among them, the above-mentioned drawings include the following reference signs:

[0043] 10, bracket; 11, positioning groove; 111, first groove segment; 112, middle groove segment; 113, second groove segment;

[0044] 20, circuit board; 21, body part; 22, first connecting part; 23, second connecting part;

[0045] 30, fixing seat; 31, fixing groove; 32, first fixing segment; 321, first connecting body; 322, first connecting protrusion; 33, middle connecting segment; 331, hollow part; 34, second fixing segment; 341, second connecting body; 342, second connecting protrusion;

[0046] 40, fixing part;

[0047] 51, first rivet column; 52, second rivet column;

[0048] 61, first connecting row; 62, second connecting row;

[0049] 70, output busbar; 71, busbar body; 711, separation gap; 72, output part;

[0050] 80, voltage collection part. DETAILED DESCRIPTION

[0051] ​The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0052] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0053] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0054] like Figures 1 to 5 As shown, Embodiment 1 of this application provides a temperature acquisition structure, which includes a bracket 10, a circuit board 20, a mounting base 30, a temperature sensing element, and a fixing member 40. The bracket 10 is used to fix it to the battery cell. The mounting base 30 and the circuit board 20 are both disposed on the bracket 10, and the mounting base 30 is provided with a fixing groove 31. The temperature sensing element is installed in the fixing groove 31 and is connected to the first connecting part 22. The fixing member 40 is fixedly connected to the mounting base 30, and at least a portion of the fixing member 40 covers the temperature sensing element.

[0055] The temperature collection structure provided in the embodiment can effectively position the temperature detection element in the fixing groove 31, so as to avoid the temperature detection element from being taken out of the fixing groove 31, thereby avoiding the temperature detection element from being easily affected by the outside and being deviated or even separated from the battery cell, ensuring the installation stability of the temperature detection element, and further ensuring the temperature collection element to stably collect the temperature of the battery cell. Therefore, the temperature collection structure provided in the embodiment can solve the technical problem of poor installation stability of the temperature collection element in the prior art.

[0056] Specifically, when the temperature detection element is a sensor for wireless communication, the connection relationship between the temperature detection element and the circuit board 20 does not need to be considered, and only the positioning of the temperature detection element needs to be ensured. The temperature detection element can be a temperature sensor, preferably a patch type temperature sensor.

[0057] When the temperature detection element needs to be connected to the circuit board 20 through a wire, the first connecting part 22 of the circuit board 20 is arranged opposite to the slot of the fixing groove 31, and the first connecting part 22 is connected to the temperature detection element, so as to facilitate the connection. The above fixing method can avoid the direct fixing connection of the fixing part 40 to the temperature detection element, avoid the unnecessary connection method to make the installation of the temperature detection element more complex, and avoid the unnecessary connection to cause damage to the temperature detection element, so as to effectively protect the temperature detection element.

[0058] Specifically, at least part of the fixing part 40 can be covered at the slot of the fixing groove 31, so as to better position and fix the temperature detection element in the fixing groove 31.

[0059] Specifically, the bracket 10 in the embodiment can be made of a blister material.

[0060] In the embodiment, the fixing part 40 has a first fixing part and a second fixing part which are arranged at intervals, the first fixing part is connected to the part of the fixing seat 30 located on one side of the slot of the fixing groove, and the second fixing part is connected to the part of the fixing seat 30 located on the other side of the slot. By adopting such a structure, the connection stability of the fixing part 40 and the fixing seat 30 can be improved, so that at least part of the fixing part 40 can stably cover the slot, thereby further improving the installation stability of the temperature detection element.

[0061] Specifically, the first fixing part is a first connecting hole, and a first rivet column 51 matched with the first connecting hole is arranged on one side of the fixed seat 30 in the slot. In this way, the structure is simple, the connection is reliable, and the connection is convenient.

[0062] Specifically, the second fixing part is a second connecting hole, and a second rivet column 52 matched with the second connecting hole is arranged on the other side of the fixed seat 30 in the slot. The connecting hole and the rivet column are simple and reliable in connection, and convenient to operate. Specifically, the second rivet column 52 can be fixed by hot riveting to better improve the stability of the connection.

[0063] In the embodiment, the bracket 10 is provided with a positioning groove 11, the shape of the positioning groove 11 is matched with the shape of the fixed seat 30, and the fixed seat 30 is installed in the positioning groove 11. With such a structure, the positioning stability of the fixed seat 30 on the bracket 10 can be improved to avoid the position deviation of the fixed seat 30 relative to the bracket 10, thereby better ensuring the positioning stability of the temperature detection member.

[0064] In the embodiment, the temperature collection structure further includes a first connecting row 61 and a second connecting row 62 fixedly arranged on the bracket 10, and the first connecting row 61 and the second connecting row 62 are respectively located on both sides of the circuit board 20. The fixed seat 30 includes a first fixed section 32, an intermediate connecting section 33 and a second fixed section 34 connected in sequence. Specifically, the fixed groove 31 is arranged on the intermediate connecting section 33, and the first connecting row 61 and the second connecting row 62 can both be aluminum rows.

[0065] Specifically, the first connecting row 61 and the second connecting row 62 can be connected and fixed by rivet columns respectively. In order to facilitate the fool-proof design, the first connecting row 61 can be connected by a plurality of rivet columns, and the plurality of rivet columns are asymmetrically arranged. Specifically, the first connecting row 61 can be fixed and connected by three rivet columns. In order to facilitate the fool-proof design, the second connecting row 62 can be connected by a plurality of rivet columns, and the plurality of rivet columns are asymmetrically arranged. Specifically, the second connecting row 62 can be fixed and connected by three rivet columns.

[0066] Specifically, the circuit board 20 can be a flexible circuit board, which can be fixed by a back adhesive.

[0067] Specifically, the first fixed section 32 is clamped between the first connecting row 61 and the bracket 10 to effectively position the first fixed section 32 and avoid the position of the first fixed section 32 from being easily deviated, thereby limiting the position of the fixed seat 30.

[0068] In the embodiment, the second fixed section 34 is clamped between the second connecting row 62 and the support 10, so as to effectively position the second fixed section 34, avoid the position of the second fixed section 34 from being easily deviated, and better limit the position of the fixed seat 30.

[0069] Specifically, in the embodiment, the first connecting row 61 and the second connecting row 62 can be designed by sheet metal, and the first connecting row 61 and the second connecting row are both coplanar with the voltage collection piece 80. Specifically, the first connecting row 61 and the second connecting row 62 can be fixed by hot riveting columns, and the first connecting row 61 and the second connecting row 62 realize the embedded limitation of the fixed seat 30, and guarantee the limitation stability of the fixed seat 30.

[0070] Specifically, at least part of the intermediate connecting section 33 is clamped between the circuit board 20 and the support 10, so as to effectively position the intermediate connecting section 33, avoid the position of the intermediate connecting section 33 from being easily deviated, and better limit the position of the fixed seat 30.

[0071] In the embodiment, the support 10 is provided with a positioning groove 11, the positioning groove 11 has a first groove section 111, an intermediate groove section 112 and a second groove section 113 connected in sequence; the first groove section 111 is matched with the first fixed section 32, and the first fixed section 32 is arranged in the first groove section 111; the second groove section 113 is matched with the second fixed section 34, and the second fixed section 34 is arranged in the second groove section 113; the intermediate connecting section 33 is arranged in the intermediate groove section 112 in a matched manner. By adopting such a structure, the fixed seat 30 can be effectively limited by the positioning groove 11, so that the shape of the positioning groove 11 is better matched with the shape of the fixed seat 30, thereby better guaranteeing the installation stability of the temperature detection piece.

[0072] Specifically, the first fixed section 32 includes a first connecting body 321 and a first connecting protrusion 322, the first connecting protrusion 322 protrudes from the side of the first connecting body 321 away from the intermediate connecting part. In this way, the first connecting body 321 can be mainly limited by limiting the first connecting protrusion 322, which can effectively guarantee the effective limitation of the first fixed section 32, and avoid the case that too many parts are clamped at the first connecting row 61, which affects the fixed installation of the first connecting row 61 too much.

[0073] Specifically, the second fixed section 34 comprises a second connecting body 341 and a second connecting protrusion 342 protruding from one side of the second connecting body 341 away from the middle connecting part. In this way, the second connecting body 341 can be limited mainly by limiting the second connecting protrusion 342, which can effectively ensure the effective limiting of the second fixed section 34 and avoid excessive parts clamped at the second connecting row 62 from affecting the fixed installation of the second connecting row 62 too much.

[0074] Specifically, the middle connecting section 33 is provided with a hollow part 331. In this way, the fixing seat 30 can avoid avoiding parts on the circuit board 20, and the fixing seat 30 can avoid unnecessary contact with the circuit board 20. In addition, the overall weight of the fixing seat 30 can be reduced as much as possible while ensuring the fixing strength of the fixing seat 30.

[0075] In the embodiment, the first connecting row 61 is of an asymmetric structure, and the number of positioning parts on one side of the first connecting row 61 is different from the number of positioning parts on the other side of the first connecting row 61. By adopting such a foolproof design, the installation misplacement of the first connecting row 61 can be avoided, the correct and orderly installation of the first connecting row 61 is ensured, and the installation efficiency of the first connecting row 61 is facilitated.

[0076] Specifically, the positioning part of the first connecting row 61 is a positioning hole. Specifically, the number of positioning holes on one side of the first connecting row 61 is one, and the number of positioning holes on the other side of the first connecting row 61 is two.

[0077] Specifically, the second connecting row 62 is of an asymmetric structure, and the number of positioning parts on one side of the second connecting row 62 is different from the number of positioning parts on the other side of the second connecting row 62. By adopting such a foolproof design, the installation misplacement of the second connecting row 62 can be avoided, the correct and orderly installation of the second connecting row 62 is ensured, and the installation efficiency of the second connecting row 62 is facilitated.

[0078] Specifically, the positioning part of the second connecting row 62 is a positioning hole. Specifically, the number of positioning holes on one side of the second connecting row 62 is one, and the number of positioning holes on the other side of the second connecting row 62 is two.

[0079] In the embodiment, the fixing groove 31 is a hollow groove, the bracket 10 is provided with a communication hole in communication with the hollow groove and oppositely arranged, and the temperature detection piece is attached to the part of the battery cell located at the communication hole. By adopting such a structure, the temperature of the battery cell can be better detected by the temperature detection piece, and the positioning stability of the temperature detection piece can be ensured.

[0080] Specifically, the hollow groove in the embodiment is adapted to the shape of the temperature collection piece, and the hollow groove can be a square groove.

[0081] Specifically, the temperature collection structure further comprises a heat-conducting mud filled in the hollowed-out groove. In this way, by using the heat-conducting mud as a heat-conducting medium, the fitting stability of the temperature collection piece is facilitated, and the service life of the temperature collection piece is also facilitated to be ensured. Specifically, the heat-conducting mud is flexible and deformable, and can better avoid the problems of heat-conducting glue solidification aging and tearing. Specifically, when the heat-conducting mud is added at the hollowed-out groove, the temperature detection piece can be attached to the periphery of the fixed groove 31 and brought into contact with the heat-conducting mud in the hollowed-out groove, so as to detect the temperature of the battery cell.

[0082] In the embodiment, the circuit board 20 comprises a body part 21 and a first connecting part 22 connected with each other, the first connecting part 22 is arranged opposite to the slot of the fixed groove 31, the temperature detection piece is connected with the first connecting part 22, and the first connecting part 22 and the body part 21 have a first hollow gap therebetween. In this way, the connection strength between the first connecting part 22 and the body part 21 can be reduced, the position deviation of the body part 21 caused by the position deviation of the first connecting part 22 when connected with other components can be avoided, and the position setting stability of the body part 21 is better ensured.

[0083] Specifically, the first connecting part 22 is a bent strip, one end of the bent strip is connected with the body part 21, and the other end of the bent strip is connected with the temperature detection piece; and the first hollow gap comprises a first gap and a second gap arranged at two sides of the bent strip. By adopting such a structure, the connection strength between the first connecting part 22 and the body part 21 can be effectively reduced, and the position deviation of the body part 21 caused by the position deviation of the first connecting part 22 can be better avoided, so that the setting stability of the circuit board 20 as a whole is better ensured.

[0084] In the embodiment, the circuit board 20 further comprises the body part 21 and a second connecting part 23, the first connecting part 22 and the second connecting part 23 are both connected with the body part 21, the second connecting part 23 is arranged apart from the first connecting part 22, and the second connecting part 23 and the body part 21 have a second hollow gap therebetween. By adopting such a structure, the connection strength between the second connecting part 23 and the body part 21 can be reduced, the position deviation of the body part 21 caused by the position deviation of the second connecting part 23 when connected with other components can be avoided, and the position setting stability of the body part 21 is better ensured. Specifically, the second connecting part 23 is used to be connected with the voltage collection piece 80, and the voltage collection piece 80 is connected with the first connecting row 61 or the second connecting row 62.

[0085] Specifically, the temperature collection structure further comprises an output busbar 70, the output busbar 70 comprising a busbar main body 71 and an output portion 72 connected with each other, the busbar main body 71 being arranged on the support 10, and the output portion 72 being bent relative to the busbar main body 71 and arranged to extend out of the support 10, a bent connection section being formed at the position where the output portion 72 is bent relative to the busbar main body 71; and a separation gap 711 is arranged on the busbar main body 71 and located adjacent to the bent connection section of the output portion 72. With such a structure, the problem of excessive deformation of the outer contour at the bent position of the output portion 72 relative to the busbar main body 71 can be avoided, and the influence on the structure of the busbar main body 71 is reduced.

[0086] Specifically, the output busbar 70 can be two, and the two output busbars 70 are respectively located at two ends of the circuit board 20. Specifically, the thickness of the output busbar 70 is 2 mm, and the thinnest part is 1.5 mm, and the material is 1060 aluminum with H24 heat treatment.

[0087] In the embodiment, the support 10 and the fixing seat 30 are both made of insulating materials, so that the insulating isolation effect can be achieved.

[0088] Specifically, the thickness of the fixing seat 30 is greater than that of the support 10, so as to ensure the fixing stability of the fixing seat 30.

[0089] Specifically, the support 10 is formed by suction molding, has small thickness and low cost. The fixing seat 30 plays a positioning role and is formed by injection molding and has large thickness.

[0090] Embodiment two of the application provides a battery pack comprising the temperature collection structure provided above. The battery pack further comprises a plurality of battery cells.

[0091] From the above description, it can be seen that the above-mentioned embodiments of the application achieve the following technical effects: accurate temperature collection, high structural strength, temperature sensing protection, high reliability; using heat-conducting mud can effectively avoid the problems of cracking, falling off and aging of traditional solidified heat-conducting glue, and has the advantages of easy bonding, long service life and wide application scenarios; embedding the fixing seat made of plastic material in the support made of suction molding material can make up for the disadvantage of weak structural strength of the fixing seat made of plastic material compared with the fixing of the support, and improve the overall structural strength of the temperature collection structure.

[0092] In the description of the present application, it should be understood that the orientation words such as "front, back, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are generally based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, without the opposite description, these orientation words do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0093] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawings is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0094] In addition, it should be noted that the use of "first", "second" and the like words to define parts only facilitates the differentiation of corresponding parts, and the above words have no special meaning unless otherwise stated, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0095] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

Claims

1. A temperature collection structure, characterized by, The temperature acquisition structure comprises a bracket (10), a circuit board (20) and a fixing base (30), the bracket (10) is used for being fixed on an electric core, the fixing base (30) and the circuit board (20) are arranged on the bracket (10), and a fixing groove (31) is arranged on the fixing base (30); a temperature detection member is installed in the fixing groove (31); a fixing member (40) is fixedly connected with the fixing base (30), and at least part of the fixing member (40) covers the temperature detection member. A first connecting portion (22) of the circuit board (20) is arranged opposite to a groove opening of the fixing groove (31), and the temperature detection member is connected with the first connecting portion (22); and / or, At least part of the fixing member (40) covers the groove opening of the fixing groove (31). The fixing member (40) has a first fixing portion and a second fixing portion which are arranged at intervals, the first fixing portion is connected with a part of the fixing base (30) which is located on one side of the groove opening of the fixing groove (31), and the second fixing portion is connected with a part of the fixing base (30) which is located on the other side of the groove opening.

2. The temperature collection structure according to claim 1, wherein, 4. The temperature acquisition structure according to claim 3, wherein the first fixing portion is a first connecting hole, and a first rivet column (51) which is matched with the first connecting hole is arranged on the part of the fixing base (30) which is located on one side of the groove opening; and / or the second fixing portion is a second connecting hole, and a second rivet column (52) which is matched with the second connecting hole is arranged on the part of the fixing base (30) which is located on the other side of the groove opening. A positioning groove (11) is arranged on the bracket (10), the shape of the positioning groove (11) is matched with the shape of the fixing base (30), and the fixing base (30) is installed in the positioning groove (11).

3. The temperature collection structure of claim 1, wherein, The temperature acquisition structure further comprises a first connecting row (61) and a second connecting row (62) which are fixedly arranged on the bracket (10), the first connecting row (61) and the second connecting row (62) are respectively located on two sides of the circuit board (20); the fixing base (30) comprises a first fixing section (32), an intermediate connecting section (33) and a second fixing section (34) which are connected in sequence; The first fixing section (32) is clamped between the first connecting row (61) and the bracket (10); and / or the second fixing section (34) is clamped between the second connecting row (62) and the bracket (10); and / or at least part of the intermediate connecting section (33) is clamped between the circuit board (20) and the bracket (10). ​ ​ 5. The temperature collection structure of claim 1, wherein, ​ 6.The temperature collection structure of claim 1, wherein, ​ ​ ​ ​ 7. The temperature collection structure according to claim 6, wherein, The support (10) is provided with a positioning groove (11), the positioning groove (11) has a first groove section (111), an intermediate groove section (112) and a second groove section (113) connected in sequence; the first groove section (111) is matched with the first fixed section (32), and the first fixed section (32) is arranged in the first groove section (111); the second groove section (113) is matched with the second fixed section (34), and the second fixed section (34) is arranged in the second groove section (113); the intermediate groove section (112) is arranged opposite to the intermediate connecting section (33), and the intermediate connecting section (33) is arranged in the intermediate groove section (112).

8. The temperature collection structure according to claim 6, wherein, the first fixed section (32) comprises a first connecting body (321) and a first connecting protrusion (322), the first connecting protrusion (322) protrudes from a side of the first connecting body (321) away from the intermediate connecting section (33); and / or, the second fixed section (34) comprises a second connecting body (341) and a second connecting protrusion (342), the second connecting protrusion (342) protrudes from a side of the second connecting body (341) away from the intermediate connecting section (33); and / or, the intermediate connecting section (33) is provided with a hollow part (331).

9. The temperature collection structure according to claim 6, wherein, the first connecting row (61) is of an asymmetric structure, the number of positioning parts on one side of the first connecting row (61) is different from the number of positioning parts on the other side of the first connecting row (61); and / or, the second connecting row (62) is of an asymmetric structure, the number of positioning parts on one side of the second connecting row (62) is different from the number of positioning parts on the other side of the second connecting row (62). 10.The temperature collection structure of claim 1, wherein, the fixed groove (31) is a hollow groove, the support (10) is provided with a communication hole in communication with the hollow groove and arranged opposite to the hollow groove, and the temperature detection piece is attached to a part of the electric core located at the communication hole.

11. The temperature harvesting structure of claim 10, wherein, The temperature collection structure further comprises: heat-conducting mud, the heat-conducting mud is filled in the hollow groove.

12. The temperature harvesting structure of claim 1, wherein, The circuit board (20) comprises a body part (21) and a first connecting part (22) connected to each other, the first connecting part (22) is arranged opposite to a groove opening of the fixed groove (31), the temperature detection piece is connected to the first connecting part (22), and the first connecting part (22) and the body part (21) have a first hollow gap therebetween.

13. The temperature harvesting structure of claim 12, wherein, The first connecting part (22) is a bent strip, one end of the bent strip is connected to the body part (21), and the other end of the bent strip is connected to the temperature detection piece; and the first hollow gap comprises a first gap and a second gap arranged at two sides of the bent strip.

14. The temperature harvesting structure of any one of claims 1-13, wherein, The circuit board (20) further comprises a body part (21) and a second connecting part (23) connected with the body part (21), and a second hollow space gap is formed between the second connecting part (23) and the body part (21); and / or, The temperature collection structure further comprises an output bus bar (70), which comprises a bus bar body (71) and an output part (72) connected with each other, the bus bar body (71) is arranged on the support (10), and the output part (72) is bent relative to the bus bar body (71) and arranged out of the support (10); a separation gap (711) is arranged on the bus bar body (71) and adjacent to the bent connection section of the output part (72).

15. The temperature collection structure according to any one of claims 1-13, characterized in that, The support (10) and the fixing seat (30) are both made of insulating material; and / or, The thickness of the fixing seat (30) is greater than the thickness of the support (10).

16. A battery pack, characterized by The temperature collection structure according to any one of claims 1-15.

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