CN220527135U - Sampling connection structure, battery and power utilization device - Google Patents

Abstract

The application relates to the technical field of batteries and provides a sampling connection structure, a battery and an electric device. Wherein, sampling connection structure includes: the crimping piece is used for fixing the sampling wire harness and is electrically connected with the sampling wire harness; the connecting mechanism comprises a connecting main body and a clamping assembly arranged on the connecting main body, wherein the connecting main body is electrically connected with the crimping piece, the clamping assembly comprises a first clamping body and a second clamping body which are arranged at an included angle, and the first clamping body and the second clamping body are used for clamping a conductive connecting piece electrically connected with an output electrode of the battery cell and are electrically connected with the conductive connecting piece. Through the technical scheme of this application to this can improve sampling connection structure and conductive connection's connection efficiency, and convenient to detach maintains, and can reduce and adopt welded connection's mode to lead to the easy connection inefficacy of connecting piece or condemned condition to take place.

Description

Sampling connection structure, battery and power utilization device

Technical Field

The application relates to the technical field of batteries, in particular to a sampling connection structure, a battery and an electric device.

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

In the working process of the battery, data information such as voltage, temperature and the like of the battery monomer is generally required to be collected by utilizing a sampling connection structure so as to monitor the use state of the battery in real time.

At present, the conventional sampling connection mode is to connect the sampling terminal connected with the sampling wire harness with conductive connection pieces such as tabs electrically connected with the output electrode of the battery, the welding connection process is complex, the connection efficiency is low, and the secondary welding is affected if the failure condition occurs in the welding process.

Disclosure of Invention

In view of the foregoing, an object of the present application is to provide a sampling connection structure, a battery and an electric device, which are used for improving the connection efficiency of the sampling connection structure and a conductive connection member and reducing the rejection rate of products. The aim is achieved by the following technical scheme:

in a first aspect, the present application provides a sampling connection structure comprising: the crimping piece is used for fixing the sampling wire harness and is electrically connected with the sampling wire harness; the connecting mechanism comprises a connecting main body and a clamping assembly arranged on the connecting main body, wherein the connecting main body is electrically connected with the crimping piece, the clamping assembly comprises a first clamping body and a second clamping body which are arranged at an included angle, and the first clamping body and the second clamping body are used for clamping a conductive connecting piece electrically connected with an output electrode of a battery cell and electrically connected with the conductive connecting piece.

In the technical scheme of this embodiment, through the crimping piece with sampling connection structure and sampling pencil's one end electricity be connected, sampling pencil's the other end is used for being connected with battery management system electricity, then utilize coupling mechanism's clamping assembly to be connected with the single output pole electricity of battery electrically conductive connecting piece centre gripping fixedly for coupling mechanism realizes electrically connecting with electrically conductive connecting piece, because crimping piece is connected with coupling mechanism's connection main part electricity, thereby can realize sampling pencil and electrically conductive connecting piece's electricity is connected, like this, sampling pencil just can gather single voltage of battery, data information such as temperature, and feed back to battery management system, in order to realize the safety control to single battery. Wherein, sampling connection structure is connected through clamping component and electrically conductive connecting piece centre gripping to realize being connected with electrically conductive connecting piece, not only connecting efficiency is higher, and owing to need not the welding, still convenient to detach maintains, and can reduce the product disability rate that leads to because of the welding inefficacy when welded connection.

In addition, according to the sampling connection structure provided by the application, the following additional technical features can be provided:

in some embodiments of the present application, the connection body defines a first mounting slot provided with a mounting notch for mounting the conductive connection; the clamping assembly is arranged in the first mounting groove.

Through setting up the clamping component in the first mounting groove that connecting body prescribes a limit to, conductive connection spare stretches into first mounting groove from the installation breach in, and the reuse clamping component is fixed to conductive connection spare centre gripping to be connected with conductive connection spare electricity, structure and principle are all comparatively simple, easily realize, and help reducing the occupation space of product.

In some embodiments of the present application, the first mounting groove has a first inner side wall and a second inner side wall disposed opposite to each other, and the mounting notch is formed between the first inner side wall and the second inner side wall; one end of the first clamping body is connected with the first inner side wall, one end of the second clamping body is connected with the second inner side wall, and a first gap for clamping the conductive connecting piece is formed between the other end of the second clamping body and the other end of the first clamping body.

The first clamping body and the second clamping body are parts which can be deformed locally when being stressed, an included angle is formed between the first clamping body and the second clamping body, a first gap for clamping the conductive connecting piece is limited between one ends of the first clamping body and the second clamping body, which are close to each other, the size of the first gap can be slightly smaller than the thickness of the conductive connecting piece, and therefore, when the conductive connecting piece stretches into the first gap, the conductive connecting piece can be clamped and fixed by the first clamping body and the second clamping body, and accordingly, the conductive connection with the conductive connecting piece can be achieved.

In some embodiments of the present application, the distance between the first clamping body and the second clamping body gradually decreases along the direction from the mounting notch to the bottom wall of the first mounting groove.

Namely, the first clamping body and the second clamping body are inclined and extend towards the direction where the bottom wall of the first mounting groove is located, so that a guide structure with a guide function is formed on one side of the first clamping body and one side of the second clamping body towards the mounting notch, the conductive connecting piece is clamped between the first clamping body and the second clamping body, and the assembly efficiency of the connecting mechanism and the conductive connecting piece is improved.

In some embodiments of the present application, the first inner side wall is close to the one end of installation breach turns over to keeping away from the direction of second inner side wall and turns over to be formed with first turn-ups, the second inner side wall is close to the one end of installation breach turns over to keeping away from the direction of first inner side wall turns over to be formed with the second turn-ups, the one end of first clamping body with first turn-ups links to each other, the one end of second clamping body with the second turn-ups links to each other.

Through link to each other with the one end and the first turn-ups of first clamping body, the other end extends to the direction slope at the diapire place of first mounting groove, simultaneously, the one end and the second turn-ups of second clamping body link to each other, and the other end also extends to the direction slope at the diapire place of first mounting groove to make the length of first clamping body and second clamping body obtain increasing, so that provide less power just can make conductive connection piece by the centre gripping in the first clearance between first clamping body and second clamping body.

In some embodiments of the present application, the first clamping body and/or the second clamping body are integrally connected with the connecting body; and/or the first clamping body and/or the second clamping body are/is an elastic piece.

The first clamping body or the second clamping body is integrally connected with the connecting main body, or the first clamping body and the second clamping body are integrally connected with the connecting main body, welding or assembling connection through a connecting piece is not needed, so that the assembling efficiency of a product is improved, and the reliability of product connection is improved.

The first clamping body or the second clamping body is an elastic component, or the first clamping body and the second clamping body are both elastic components, so that when the conductive connecting piece is inserted into the first gap, at least one of the first clamping body and the second clamping body can be elastically deformed to apply clamping force to the conductive connecting piece, and the conductive connecting piece can be clamped and fixed in the first gap.

In some embodiments of the present application, the clamping assembly further includes a third clamping body and a fourth clamping body disposed at an included angle, where the third clamping body is disposed at a side of the first clamping body facing away from the mounting notch at intervals, and the fourth clamping body is disposed at a side of the second clamping body facing away from the mounting notch at intervals; one end of the third clamping body is connected with the first inner side wall, one end of the fourth clamping body is connected with the second inner side wall, and a second gap for clamping the conductive connecting piece is formed between the other end of the fourth clamping body and the other end of the third clamping body.

Similarly, the third clamping body and the fourth clamping body are also parts which can be deformed locally when being stressed, an included angle is formed between the third clamping body and the fourth clamping body, a second gap for clamping the conductive connecting piece is limited between one ends of the third clamping body and the fourth clamping body, which are close to each other, and the size of the second gap is slightly smaller than the thickness of the conductive connecting piece, so that when the conductive connecting piece stretches into the first gap and is clamped by the first clamping body and the second clamping body, the conductive connecting piece can be clamped and fixed by the third clamping body and the fourth clamping body after stretching into the second gap, and the reliability and the stability of connection of the connecting mechanism and the conductive connecting piece can be further improved.

In some embodiments of the present application, a distance between the third clamping body and the fourth clamping body gradually decreases along a direction from the mounting notch to the bottom wall of the first mounting groove; and/or the third clamping body and/or the fourth clamping body are/is elastic pieces.

The third clamping body and the fourth clamping body extend obliquely to the direction of the bottom wall of the first mounting groove, so that the third clamping body and the fourth clamping body can form a guide structure with a guide effect towards one side of the mounting notch, and the conductive connecting piece can be clamped in the second gap between the third clamping body and the fourth clamping body.

The third clamping body or the fourth clamping body is an elastic component, or the third clamping body and the fourth clamping body are elastic components, so that at least one of the third clamping body and the fourth clamping body can be elastically deformed to apply clamping force to the conductive connecting piece in the process of inserting the conductive connecting piece into the second gap, and the conductive connecting piece can be clamped and fixed in the second gap.

In some embodiments of the present application, the crimp member includes a crimp body and a first crimp portion and a second crimp portion disposed at intervals in the crimp body, the crimp body is connected with the connection mechanism, the second crimp portion is disposed between the first crimp portion and the connection mechanism, and is used for being in crimp connection with the sampling wire harness, and the first crimp portion is used for fixing the sampling wire harness.

The crimping piece is connected with coupling mechanism's coupling body through the crimping main part, and first crimping portion is used for being fixed in the crimping main part with the sampling pencil, and the second crimping portion can be connected with the electric conductor crimping of sampling pencil to realize with sampling pencil stable electricity and be connected. And the second crimping portion is connected with the crimping main part electricity, and the crimping piece is connected with coupling mechanism's coupling main part through the crimping main part to can make sampling pencil and coupling mechanism electricity be connected, and then can realize gathering data information such as battery monomer's voltage, temperature through electrically conductive connecting piece.

In some embodiments of the present application, the sampling connection structure further includes: the insulation shell is provided with a second mounting groove and a connecting hole, the connecting mechanism is arranged in the second mounting groove, and one end of the crimping piece penetrates through the connecting hole to be connected with the connecting mechanism.

By arranging the insulating shell outside the connecting mechanism, the insulating shell can play a role in insulating and isolating the connecting mechanism from external equipment parts, so that the occurrence of short circuit of the connecting mechanism caused by contact with external structural members can be reduced.

In some embodiments of the present application, the insulating housing is close to the opposite both sides of installation breach are provided with first draw-in groove and second draw-in groove respectively, first clamping body with the one end that the second clamping body kept away from each other respectively the joint in first draw-in groove with in the second draw-in groove.

Through with the one end difference joint in first draw-in groove and second draw-in groove that first clamping body and second clamping body kept away from each other, first draw-in groove and second draw-in groove can play spacing effect to reduce the risk that coupling mechanism drops in from insulating housing.

In a second aspect, the present application provides a battery comprising: a battery cell; the conductive connecting piece is electrically connected with the output electrode of the battery cell; the sampling wire harness is used for being electrically connected with the battery management system; and a sampling connection structure according to any one of the embodiments of the first aspect, wherein the connection mechanism of the sampling connection structure is used for clamping the conductive connection piece and is electrically connected with the conductive connection piece, and the crimping piece of the sampling connection structure is used for fixing the sampling wire harness and is electrically connected with the sampling wire harness.

The battery provided according to the embodiments of the present application, because of including the sampling connection structure according to any one of the embodiments of the first aspect, has the technical effects of any one of the embodiments described above, and is not described herein again.

In a third aspect, the present application provides an electrical device comprising a battery according to an embodiment of the second aspect, the battery being configured to power the electrical device.

The power utilization device provided according to the embodiment of the present application, because of including the battery described in the embodiment of the second aspect, also has the technical effects of any of the above embodiments, and will not be described herein again.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic diagram of a sampling connection structure according to some embodiments of the present application;

FIG. 2 is a schematic diagram of another view of a sampling connection structure according to some embodiments of the present disclosure;

fig. 3 is a schematic structural diagram of another view of a sampling connection structure according to some embodiments of the present application.

The reference numerals are as follows:

100. sampling connection structure;

10. a crimp member; 11. a crimping body; 12. a first crimping part; 13. a second crimping part;

20. a connecting mechanism; 21. a connecting body; 22. a clamping assembly; 23. a first gap; 24. a first mounting groove; 25. a mounting notch; 26. a second gap; 211. a first inner sidewall; 212. a second inner sidewall; 213. a bottom wall; 214. a second flanging; 221. a first clamping body; 222. a second clamping body; 223. a third clamping body; 224. a fourth clamping body;

30. an insulating housing; 31. a first clamping groove; 32. and a second clamping groove.

Detailed Description

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Currently, the more widely the battery is used in view of the development of market situation. The battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, as well as a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the battery application field, the market demand thereof is also continuously expanding.

In the working process of the battery, data information such as voltage and temperature of the battery monomer is generally required to be collected by utilizing a sampling connection structure, and the data information is transmitted to a battery pipeline system in real time so as to monitor the use state of the battery.

At present, the conventional sampling connection mode is to connect the sampling terminal connected with the sampling wire harness with conductive connection pieces such as tabs electrically connected with the output electrode of the battery, the welding connection process is complex, the connection efficiency is low, and the secondary welding is affected if the failure condition occurs in the welding process.

In order to solve the problem that the connecting efficiency is low when conducting connection piece welded connection such as sampling terminal and balun is high, and the disability rate is high, the application designs a sampling connection structure, utilizes crimping spare and sampling pencil electricity to be connected with conducting connection piece centre gripping through clamping component, clamping component is connected with crimping spare electricity through connecting body, thereby can realize that sampling pencil and conducting connection piece electricity are connected, in order to realize gathering data information such as battery cell's voltage, temperature through conducting connection piece. Because the clamping component and the conductive connecting piece are clamped and fixed, welding is not needed, the connecting efficiency is improved, and the condition that products are scrapped due to easy failure in welding connection is reduced.

The sampling connection structure disclosed by the embodiment of the application is used for being connected in a sampling loop of a battery and used for realizing that a sampling wire harness is electrically connected with a conductive connecting piece, so that data information such as voltage, temperature and the like of a battery unit can be collected in real time.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a view angle of a sampling connection structure according to some embodiments of the present application; fig. 2 is a schematic structural diagram of another view of a sampling connection structure according to some embodiments of the present application. According to some embodiments of the present application, there is provided a sampling connection structure 100 comprising a crimp 10 and a connection mechanism 20. Wherein, the crimping piece 10 is used for fixing the sampling wire harness and is electrically connected with the sampling wire harness; the connection mechanism 20 comprises a connection main body 21 and a clamping assembly 22 connected with the connection main body 21, the connection main body 21 is electrically connected with the press-connection piece 10, the clamping assembly 22 comprises a first clamping body 221 and a second clamping body 222 which are arranged at an included angle, and the first clamping body 221 and the second clamping body 222 are used for clamping a conductive connecting piece electrically connected with an output electrode of a battery unit and are electrically connected with the conductive connecting piece.

In this embodiment, the sampling harness is provided in the sampling loop. The conductive connection member may be copper bar or bus bar. The crimp member 10 is a member for fixing the sampling harness and crimped with the sampling harness.

The connection mechanism 20 is a member for electrically connecting the sampling harness with the conductive connection member. Illustratively, the connecting body 21 of the connecting mechanism 20 and the crimp member 10 may be welded or integrally connected. The clamping assembly 22 may be a clamping jaw, clamping bar, clamping tab, or the like.

It will be appreciated that crimp member 10, connecting body 21 and clamping assembly 22 are all metallic conductive members.

Through the crimping piece 10 with sampling connection structure 100 be connected with the one end electricity of sampling pencil, the other end of sampling pencil is used for being connected with battery management system electricity, then utilize the clamping component 22 of coupling mechanism 20 to be connected with the electrically conductive connecting piece centre gripping of single output pole electricity of battery fixed for coupling mechanism 20 realizes electrically connecting with electrically conductive connecting piece, because crimping piece 10 is connected with coupling mechanism 20's connection main part 21 electricity, thereby can realize the electricity of sampling pencil and electrically conductive connecting piece and be connected, like this, sampling pencil just can gather data information such as single voltage of battery, temperature, and feed back to battery management system, in order to realize the safety control to single battery. The sampling connection structure 100 clamps and electrically connects the conductive connection pieces through the first clamping body 221 and the second clamping body 222, so that not only is the connection efficiency higher, but also the connection structure is convenient to detach and maintain because no welding is needed, and the product rejection rate caused by welding failure during welding connection can be reduced.

Referring to fig. 1 and 2, according to some embodiments of the present application, the connection body 21 defines a first mounting groove 24, the first mounting groove 24 being provided with a mounting notch 25 for mounting the conductive connection member; wherein, crimping member 10 is disposed outside of first mounting groove 24, and clamping assembly 22 is disposed within first mounting groove 24.

In this embodiment, the connecting body 21 has a bottom wall 213 and two side walls connected to the bottom wall 213, the two side walls being spaced apart and disposed opposite each other, and a first mounting groove 24 is defined between the two side walls and the bottom wall 213. The mounting notch 25 is provided corresponding to the bottom wall 213 of the first mounting groove 24.

In addition, the two side walls are in non-contact connection, so that a heat dissipation gap capable of realizing ventilation and heat dissipation can be formed on the side parts of the two side walls. Wherein the heat dissipation gap is in communication with the mounting gap 25.

Illustratively, the crimp member 10 is located outside the first mounting groove 24 and is connected to the bottom wall 213 of the connecting body 21.

When the connecting mechanism 20 and the conductive connecting piece are assembled, the conductive connecting piece can firstly extend into the first mounting groove 24 from the mounting notch 25, and then the conductive connecting piece is clamped and fixed by the clamping assembly 22 in the first mounting groove 24, so that the electric connection of the connecting mechanism 20 and the conductive connecting piece can be realized, the structure and the principle are simple, the electric connection is easy to realize, and the clamping assembly 22 is arranged in the first mounting groove 24 defined by the connecting main body 21, so that the occupied space of a product is reduced.

Referring to fig. 2, according to some embodiments of the present application, the first mounting groove 24 has a first inner sidewall 211 and a second inner sidewall 212 disposed opposite to each other, and a mounting gap 25 is formed between the first inner sidewall 211 and the second inner sidewall 212; one end of the first clamping body 221 is connected to the first inner sidewall 211, one end of the second clamping body 222 is connected to the second inner sidewall 212, and a first gap 23 for clamping the conductive connection member is formed between the other end of the second clamping body 222 and the other end of the first clamping body 221.

In the present embodiment, the first clamping body 221 and the second clamping body 222 are members that can locally deform when being stressed.

The first clamping body 221 and the second clamping body 222 may both extend obliquely in the direction of the mounting notch 25, or may both extend obliquely in the direction of the bottom wall 213 of the first mounting groove 24.

It will be appreciated that the first gap 23 may be slightly smaller in size than the thickness of the conductive connection.

By arranging the first clamping body 221 and the second clamping body 222 at an included angle, and defining the first gap 23 between the ends of the first clamping body 221 and the second clamping body 222, which are close to each other, for clamping the conductive connecting piece, when the conductive connecting piece stretches into the first gap 23, the first clamping body 221 and the second clamping body 222 can apply clamping force to the conductive connecting piece so as to clamp and fix the conductive connecting piece, thereby realizing the electrical connection with the conductive connecting piece.

Referring to fig. 2, according to some embodiments of the present application, the distance between the first clamping body 221 and the second clamping body 222 gradually decreases along the direction from the mounting notch 25 to the bottom wall 213 of the first mounting groove 24.

In the present embodiment, the bottom wall 213 of the first mounting groove 24 is disposed toward the mounting notch 25.

The first clamping body 221 and the second clamping body 222 extend obliquely to the direction of the bottom wall 213 of the first mounting groove 24, so that a guiding structure with guiding function can be formed on one side of the first clamping body 221 and the second clamping body 222 towards the mounting notch 25, so that the conductive connecting piece is clamped between the first clamping body 221 and the second clamping body 222, and the assembly efficiency of the connecting mechanism 20 and the conductive connecting piece is improved.

Referring to fig. 1, according to some embodiments of the present application, a first flange (not shown) is formed by folding an end of the first inner sidewall 211, which is close to the mounting gap 25, in a direction away from the second inner sidewall 212, a second flange 214 is formed by folding an end of the second inner sidewall 212, which is close to the mounting gap 25, in a direction away from the first inner sidewall 211, and one end of the first clamping body 221 is connected to the first flange, and one end of the second clamping body 222 is connected to the second flange 214.

In this embodiment, the first and second cuffs 214 each extend in a fold-over manner away from each other.

Through link to each other with the one end of first clamping body 221 and first turn-ups, simultaneously, the one end of second clamping body 222 links to each other with second turn-ups 214, and the other end of first clamping body 221 and second clamping body 222 is close to each other to all extend to the diapire 213 place direction slope of first mounting groove 24, thereby make the setting length of first clamping body 221 and second clamping body 222 can obtain increasing, in order to provide less power just can make the electrically conductive connecting piece be held in the first clearance 23 between first clamping body 221 and the second clamping body 222.

According to some embodiments of the present application, the first clamping body 221 and/or the second clamping body 222 are integrally connected with the connection body 21.

In this embodiment, the first clamping body 221 or the second clamping body 222 is integrally connected with the connecting body 21, or the first clamping body 221 and the second clamping body 222 are integrally connected with the connecting body 21, without welding or assembling connection through a connecting piece, so that the assembling efficiency of a product is improved, and the reliability of product connection is improved.

According to some embodiments of the present application, the first clamping body 221 and/or the second clamping body 222 are elastic members.

In the present embodiment, the first clamping body 221 or the second clamping body 222 is an elastic component, or the first clamping body 221 and the second clamping body 222 are both elastic components, so that, when the conductive connecting piece is inserted into the first gap 23, at least one of the first clamping body 221 and the second clamping body 222 can be elastically deformed to apply a clamping force to the conductive connecting piece, so that the conductive connecting piece can be clamped and fixed in the first gap 23.

For example, at least one of the first clamping body 221 and the second elastic body is a metal clip or a metal clamping jaw or a metal clamping bar, or the like.

Referring to fig. 2, according to some embodiments of the present application, the clamping assembly 22 further includes a third clamping body 223 and a fourth clamping body 224 disposed at an included angle, the third clamping body 223 is disposed at a side of the first clamping body 221 facing away from the mounting gap 25, and the fourth clamping body 224 is disposed at a side of the second clamping body 222 facing away from the mounting gap 25; wherein, one end of the third clamping body 223 is connected with the first inner sidewall 211, one end of the fourth clamping body 224 is connected with the second inner sidewall 212, and a second gap 26 for clamping the conductive connecting member is formed between the other end of the fourth clamping body 224 and the other end of the third clamping body 223.

Similarly, the third clamping body 223 and the fourth clamping body 224 are also parts that can be deformed locally when being stressed, an included angle is formed between the third clamping body 223 and the fourth clamping body 224, a second gap 26 for clamping the conductive connecting piece is defined between one ends of the third clamping body 223 and the fourth clamping body 224, which are close to each other, and the size of the second gap 26 is slightly smaller than the thickness of the conductive connecting piece, so that when the conductive connecting piece stretches into the first gap 23 and is clamped by the first clamping body 221 and the second clamping body 222, the conductive connecting piece can be clamped and fixed by the third clamping body 223 and the fourth clamping body 224 after stretching into the second gap 26, and the reliability and stability of the connection of the connecting mechanism 20 and the conductive connecting piece can be further improved.

Referring to fig. 2, according to some embodiments of the present application, the distance between the third clamping body 223 and the fourth clamping body 224 gradually decreases along the direction from the mounting notch 25 to the bottom wall 213 of the first mounting groove 24.

In the present embodiment, the third clamping body 223 and the fourth clamping body 224 extend obliquely to the direction of the bottom wall 213 of the first mounting groove 24, so that the side of the third clamping body 223 and the fourth clamping body 224 facing the mounting notch 25 can also form a guiding structure that plays a guiding role, so that the conductive connecting piece is clamped in the second gap 26 between the third clamping body 223 and the fourth clamping body 224.

According to some embodiments of the present application, the third grip body 223 and/or the fourth grip body 224 are elastic members.

The third clamping body 223 or the fourth clamping body 224 are elastic members, or the third clamping body 223 and the fourth clamping body 224 are elastic members, so that when the conductive connecting piece is inserted into the second gap 26, at least one of the third clamping body 223 and the fourth clamping body 224 can be elastically deformed to apply a clamping force to the conductive connecting piece, thereby clamping and fixing the conductive connecting piece in the second gap 26.

Referring to fig. 2, according to some embodiments of the present application, the crimp member 10 includes a crimp body 11 and a first crimp portion 12 and a second crimp portion 13 disposed at intervals on the crimp body 11, wherein the crimp body 11 is connected to the connection mechanism 20, the second crimp portion 13 is located between the first crimp portion 12 and the connection mechanism 20 and is used for being in crimp connection with the sampling wire harness, and the first crimp portion 12 is used for fixing the sampling wire harness.

In the present embodiment, the first crimp portion 12 has two flexible fixing pieces, which are disposed correspondingly on both sides of the crimp body 11 in the width direction, and are configured to be bendable to fittingly fix the sampling harness, for example. The second crimp portion 13 may be crimped with the electrical conductor of the sampling harness so as to achieve an electrical connection with the sampling harness. The second crimp portion 13 is electrically connected to the crimp body 11, and the crimp member 10 is connected to the connection body 21 of the connection mechanism 20 through the crimp body 11, so that the sampling harness can be electrically connected to the connection mechanism 20.

Referring to fig. 1 to 3, fig. 3 is a schematic structural diagram of a sampling connection structure according to another embodiment of the present application. According to some embodiments of the present application, the sampling connection structure 100 further includes an insulating housing 30, the insulating housing 30 is provided with a second mounting groove and a connection hole, the connection mechanism 20 is provided in the second mounting groove, and one end of the crimp member 10 is connected with the connection mechanism 20 through the connection hole.

In this embodiment, the second mounting groove is adapted to the outer contour of the connection mechanism 20.

By providing the insulating housing 30 outside the connection mechanism 20, the insulating housing 30 can serve to insulate the connection mechanism 20 from external equipment, thereby reducing the occurrence of short-circuiting of the connection mechanism 20 due to contact with external structural members. In addition, the safety protection function can be achieved.

Referring to fig. 2, according to some embodiments of the present application, a first clamping groove 31 and a second clamping groove 32 are respectively disposed on opposite sides of the insulating housing 30 near the mounting notch 25, and one ends of the first clamping body 221 and the second clamping body 222, which are far away from each other, are respectively clamped in the first clamping groove 31 and the second clamping groove 32.

Through the one ends of the first clamping body 221 and the second clamping body 222, which are far away from each other, are respectively clamped in the first clamping groove 31 and the second clamping groove 32, the first clamping groove 31 and the second clamping groove 32 can play a limiting role, so that the risk that the connecting mechanism 20 falls off from the second mounting groove of the insulating housing 30 is reduced.

Referring to fig. 1-3, according to some embodiments of the present application, there is provided a sampling connection structure 100 including a crimp 10, a connection mechanism 20, and an insulating housing 30. The crimp member 10 includes a crimp body 11, a first crimp portion 12 and a second crimp portion 13 provided on the crimp body 11, the crimp body 11 is electrically connected to the connection mechanism 20, the second crimp portion 13 is located between the first crimp portion 12 and the connection mechanism 20, the second crimp portion 13 is electrically connected to the crimp body 11 and is used for being crimped and connected to an electrical conductor of the sampling harness, and the first crimp portion 12 is used for fixing the sampling harness. The connection mechanism 20 comprises a connection main body 21 and a clamping assembly 22 connected to the connection main body 21, the connection main body 21 is limited with a first mounting groove 24, the clamping assembly 22 is arranged in the first mounting groove 24 and comprises a first clamping body 221 and a second clamping body 222 which are arranged at an included angle, the first clamping body 221 is integrally connected with one inner side wall of the first mounting groove 24, the second clamping body 222 is integrally connected with the other inner side wall of the first mounting groove 24, and a first gap 23 for clamping a conductive connecting piece is formed at one end, close to each other, of the second clamping body 222 and the first clamping body 221. The connecting body 21 is formed with a mounting notch 25 at one end corresponding to the bottom wall of the first mounting groove 24, and the distance between the first clamping body 221 and the second clamping body 222 gradually decreases in the direction from the mounting notch 25 to the bottom wall of the first mounting groove 24. The insulating housing 30 is provided with a second installation groove and a connection hole, and the connection mechanism 20 is provided in the second installation groove, and the crimp body 11 of the crimp member 10 is connected to the connection mechanism 20 through the connection hole. Specifically, the size of the first gap 23 may be slightly smaller than the thickness of the conductive connector, so that when the conductive connector extends into the first gap 23 between the first clamping body 221 and the second clamping body 222 from the mounting notch 25, the first clamping body 221 and the second clamping body 222 may be locally elastically deformed and apply a clamping force to the conductive connector to clamp and fix the conductive connector. The welding device is convenient to install and detach, and welding is not needed, so that the risk of scrapping of the product caused by welding failure can be reduced.

According to some embodiments of the present application, there is also provided a battery including a battery cell, a conductive connector, a sampling harness, and a sampling connection structure 100 as in any of the embodiments described above. The conductive connecting piece is electrically connected with the output electrode of the battery monomer; the sampling wire harness is used for being electrically connected with the battery management system; the connection mechanism 20 of the sampling connection structure 100 is used for clamping and electrically connecting with the conductive connection member, and the crimp member 10 of the sampling connection structure 100 is used for fixing and electrically connecting with the sampling wire harness.

The battery provided according to the embodiment of the present application, because of including the sampling connection structure 100 in any of the embodiments described above, has the technical effects of any of the embodiments described above, and is not described herein again.

According to some embodiments of the present application, there is also provided an electrical device comprising a battery as described in the above embodiments, the battery being configured to power the electrical device.

The power utilization device provided according to the embodiments of the present application, because of including the battery described in the above embodiments, also has the technical effects of any of the above embodiments, and will not be described herein again. Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (13)

1. A sampling connection structure, comprising:

the crimping piece is used for fixing the sampling wire harness and is electrically connected with the sampling wire harness;

the connecting mechanism comprises a connecting main body and a clamping assembly arranged on the connecting main body, wherein the connecting main body is electrically connected with the crimping piece, the clamping assembly comprises a first clamping body and a second clamping body which are arranged at an included angle, and the first clamping body and the second clamping body are used for clamping a conductive connecting piece electrically connected with an output electrode of a battery cell and electrically connected with the conductive connecting piece.

2. The sampling connection structure of claim 1, wherein the connection body defines a first mounting slot provided with a mounting notch for mounting the conductive connection member;

the clamping assembly is arranged in the first mounting groove.

3. The sampling connection structure of claim 2, wherein the first mounting slot has a first inner side wall and a second inner side wall disposed opposite each other, the mounting gap being formed between the first inner side wall and the second inner side wall;

one end of the first clamping body is connected with the first inner side wall, one end of the second clamping body is connected with the second inner side wall, and a first gap for clamping the conductive connecting piece is formed between the other end of the second clamping body and the other end of the first clamping body.

4. A sampling connection according to claim 3, wherein the distance between the first clamping body and the second clamping body decreases gradually in the direction from the mounting recess to the bottom wall of the first mounting recess.

5. The sampling connection structure according to claim 3, wherein a first flange is formed by folding an end of the first inner side wall, which is close to the mounting notch, in a direction away from the second inner side wall, a second flange is formed by folding an end of the second inner side wall, which is close to the mounting notch, in a direction away from the first inner side wall, the end of the first clamping body is connected to the first flange, and the end of the second clamping body is connected to the second flange.

6. The sampling connection structure of any one of claims 1 to 5, wherein the first clamping body and/or the second clamping body are integrally connected with the connection body;

and/or the first clamping body and/or the second clamping body are/is an elastic piece.

7. The sampling connection structure according to claim 3, wherein the clamping assembly further comprises a third clamping body and a fourth clamping body arranged at an included angle, the third clamping body is arranged at a side of the first clamping body away from the mounting notch at intervals, and the fourth clamping body is arranged at a side of the second clamping body away from the mounting notch at intervals;

one end of the third clamping body is connected with the first inner side wall, one end of the fourth clamping body is connected with the second inner side wall, and a second gap for clamping the conductive connecting piece is formed between the other end of the fourth clamping body and the other end of the third clamping body.

8. The sampling connection structure of claim 7, wherein a distance between the third clamping body and the fourth clamping body decreases gradually in a direction from the mounting gap to a bottom wall of the first mounting groove;

and/or the third clamping body and/or the fourth clamping body are/is elastic pieces.

9. The sampling connection structure according to any one of claims 1 to 5, wherein the crimp member includes a crimp body and a first crimp portion and a second crimp portion provided at an interval to the crimp body, the crimp body being connected to the connection mechanism, the second crimp portion being located between the first crimp portion and the connection mechanism for crimp connection with the sampling harness, the first crimp portion being for fixing the sampling harness.

10. The sampling connection structure of any one of claims 2-5, further comprising: the insulation shell is provided with a second mounting groove and a connecting hole, the connecting mechanism is arranged in the second mounting groove, and one end of the crimping piece penetrates through the connecting hole to be connected with the connecting mechanism.

11. The sampling connection structure according to claim 10, wherein a first clamping groove and a second clamping groove are respectively arranged on two opposite sides of the insulating housing, which are close to the mounting notch, and one ends, which are far away from each other, of the first clamping body and the second clamping body are respectively clamped in the first clamping groove and the second clamping groove.

12. A battery, comprising:

a battery cell;

the conductive connecting piece is electrically connected with the output electrode of the battery cell;

the sampling wire harness is used for being electrically connected with the battery management system; and

the sampling connection structure of any one of claims 1-11, wherein the connection mechanism of the sampling connection structure clamps the conductive connection member and is electrically connected with the conductive connection member, and the crimp member of the sampling connection structure fixes the sampling harness and is electrically connected with the sampling harness.

13. An electrical device comprising the battery of claim 12 for powering the electrical device.