CN219164815U

CN219164815U - Sampling insurance structure

Info

Publication number: CN219164815U
Application number: CN202223313486.3U
Authority: CN
Inventors: 刘学文; 赵亮
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-09
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the technical field of batteries, and discloses a sampling insurance structure, which comprises: the power supply connecting end of the conductive component is electrically connected with a power supply; the circuit board is arranged at the connection end of the electric component, the surface of the circuit board is provided with an electric component conducting layer and a power supply component conducting layer, the electric component conducting layer is electrically connected with a connecting wire of the electric component, and the power supply component conducting layer is electrically connected with the electric component; the two sides of the conductive part are provided with extension parts, and after bending, limit parts are formed, and the circuit board is clamped and attached on the conductive part; the two conductive ends of the safety component are respectively and electrically connected with the conductive layer of the power utilization component and the conductive layer of the power supply component; through conductive part and aluminium bar welding, the drawing force that can bear after the welding is bigger, avoids appearing the cracked problem of structure to the insurance part sets up in the position of sampling structure front end, and when sampling circuit took place the short circuit, the protection effect is best.

Description

Sampling insurance structure

Technical Field

The utility model belongs to the field of batteries, and particularly relates to a sampling insurance structure.

Background

As people pay more attention to environmental protection, new energy automobiles start to develop rapidly, and the new energy automobiles mainly comprise pure electric automobiles, fuel cell electric automobiles and other automobiles which use non-petroleum fuels, and also comprise hybrid electric automobiles, ethanol gasoline automobiles and other automobiles which use non-petroleum fuels partially, wherein the battery pack is used as direct or indirect energy, but the safety problem of the new energy automobiles also attracts attention.

In voltage sampling of a traditional battery module, a battery pack is generally arranged on an FFC (flexible flat cable) line for reducing cost, and a sampling loop safety is gradually arranged on an FFC or wire harness instead of an FPC (flexible circuit board) sampling scheme; in the conventional safety structure, the FFC or the lead wire is directly welded with the aluminum bar, the drawing force is small, and the FFC or the lead wire is easily broken and damaged under the action of external force, so that the use is influenced.

Disclosure of Invention

The utility model aims to provide a sampling safety structure so as to solve the technical problems that the traditional safety structure is small in drawing force and easy to damage.

In order to solve the technical problems, the specific technical scheme of the utility model is as follows:

in some embodiments of the present application, there is provided a sampling insurance structure comprising:

a conductive member having one end electrically connected to a power supply;

the circuit board is connected to the other end of the conductive component, the surface of the circuit board is provided with a conductive layer of the power utilization component and a conductive layer of the power supply component, the conductive layer of the power utilization component is electrically connected to a connecting wire of the power utilization component, and the conductive layer of the power supply component is electrically connected to the conductive component;

and the two conductive ends of the safety component are respectively and electrically connected with the conductive layer of the power utilization component and the conductive layer of the power supply component.

Preferably, in an optimized embodiment of the sampling safety structure, the conductive member is provided with a limiting member for fixing the circuit board, and the limiting member is located outside the safety member.

Preferably, in an optimized embodiment of the sampling safety structure, extension parts are arranged on two sides of the conductive part, and after bending, a limiting part is formed, and the circuit board is clamped and attached to the conductive part.

Preferably, in an embodiment of the foregoing sampling safety structure, the conductive layer of the power utilization component and the conductive layer of the power supply component are disposed opposite to each other, an insulating region is spaced in the middle, and two conductive ends of the safety component are electrically connected to the conductive layer of the power utilization component and the conductive layer of the power supply component, respectively.

Preferably, in an optimized embodiment of the sampling insurance structure, the bonding surface of the circuit board and the conductive member is bonded and fixed by an adhesive member.

Preferably, in an optimized embodiment of the sampling safety structure, the electric component conductive layer and the power supply component conductive layer are both provided with conductive connection components, the electric component conductive layer is electrically connected with a connection line of the electric component through the conductive connection components, and the power supply component conductive layer is electrically connected with the conductive component through the conductive connection components.

Preferably, in an optimized embodiment of the sampling insurance structure, the sampling insurance structure further comprises an anti-oxidation coating, and the anti-oxidation coating is coated at a welding position of the connecting wire of the conductive connecting component and the electricity utilization component.

Compared with the prior art, the utility model has the beneficial effects that:

the conductive part is welded with the aluminum bar, so that the drawing force which can be born after welding is larger, the problem of structural fracture is avoided, the safety part is arranged at the forefront position of the sampling structure, and the protection effect is optimal when a sampling loop is short-circuited;

the conductive part is used for fixing the circuit board through the limiting part, so that the stability of the structure is further ensured, and meanwhile, the limiting part is positioned at the outer side of the safety part, so that a protection structure is provided for the safety part, and the safety part is prevented from being knocked;

meanwhile, the anti-oxidation coating is coated on the welding position of the conductive connecting component and the connecting wire of the electric component, so that the oxidation of the welding position can be prevented, the structural strength can be increased, and the reliability of the connecting structure is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a sampling insurance structure provided by an embodiment of the present utility model;

FIG. 2 is a perspective view showing an expanded state of a spacing member according to an embodiment of the present utility model;

fig. 3 is a perspective view illustrating a bent state of the limiting member according to an embodiment of the present utility model.

In the figure:

1. a conductive member; 10. a limiting member; 2. a circuit board; 20. an electrical component conductive layer; 200. a first communication area; 21. a power supply member conductive layer; 210. a second communication area; 3. a safety member; 4. a connecting wire; 5. and a conductive connection member.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.

Referring to fig. 1, in accordance with some embodiments of the present application, a sampling insurance structure includes: a conductive member 1, a circuit board 2, and a fuse member 3; the conductive component 1 is provided with an installation plane, and two ends of the conductive component are respectively and correspondingly provided with a power supply connecting end and an electricity utilization component connecting end, wherein the power supply connecting end is electrically connected with a power supply; the circuit board 2 is arranged at the connection end of the electric component of the installation plane, the surface of the circuit board is provided with an electric component conducting layer 20 and a power supply component conducting layer 21, the electric component conducting layer 20 is electrically connected with the connecting wire 4 of the electric component, and the power supply component conducting layer 21 is electrically connected with the conductive component 1; the two conductive ends of the safety member 3 are electrically connected to the electricity-using member conductive layer 20 and the electricity-supplying member conductive layer 21, respectively.

In particular, the circuit board is preferably a flexible circuit board.

Specifically, the surface of the flexible circuit board is formed with the electricity-use member conductive layer 20 and the electricity-supply member conductive layer 21 by etching.

Through above-mentioned technical scheme, the technical effect that this application can reach lies in: through conductive part and aluminium bar welding, the drawing force that can bear after the welding is bigger, avoids appearing the cracked problem of structure, has promoted insurance structure's stability, reduces maintenance cost to insurance part sets up in sampling structure's position of front end, and when sampling circuit took place the short circuit, the protection effect is best.

Referring to fig. 2 to 3, in another preferred embodiment of the present application, the conductive member 1 is a plate-like structure, the top plate surface thereof is a mounting plane, and both sides thereof are provided with a limiting member 10 for fixing the circuit board 2; the safety member 3 is located between the two side limiting members 10.

Specifically, extension plates are arranged on two sides of the conductive part 1, and after bending, a limiting part 10 is formed, so that the circuit board 2 is clamped and attached on the installation plane of the conductive part 1.

Through above-mentioned technical scheme, the technical effect that this application can reach lies in: the conductive part is fixed to the circuit board through the limiting part, so that the stability of the structure is further guaranteed, meanwhile, the limiting part is located at the outer side of the safety part, a protection structure can be provided for the safety part, the safety part is prevented from being knocked, accidental damage of the safety part is avoided, the service life of the safety structure is prolonged, and the failure rate is reduced.

In another preferred embodiment of the present application, the conductive layer 20 of the electric component and the conductive layer 21 of the power supply component are oppositely disposed, an insulating region is spaced in the middle, and adjacent sides of the conductive layer 20 of the electric component and the conductive layer 21 of the power supply component extend towards the insulating region to form a first communication region 200 and a second communication region 210 respectively, the first communication region 200 and the second communication region 210 are oppositely disposed, and two conductive ends of the safety component 3 are electrically connected to the first communication region 200 and the second communication region 210 respectively.

Through above-mentioned technical scheme, the technical effect that this application can reach lies in: the precision of insurance part fusing can be guaranteed, maintenance is convenient for when damaging, is favorable to reducing maintenance cost.

In another preferred embodiment of the present application, the bonding surface of the circuit board 2 and the conductive member 1 is bonded and fixed by an adhesive member.

Through above-mentioned technical scheme, the technical effect that this application can reach lies in: the scheme can further improve the firmness of the structure.

In another preferred embodiment of the present application, the electricity consumption component conductive layer 20 and the electricity supply component conductive layer 21 are each provided with a conductive connection component 5, the electricity consumption component conductive layer 20 is electrically connected to the connection line 4 of the electricity consumption component through the conductive connection component 5, and the electricity supply component conductive layer 21 is electrically connected to the conductive component through the conductive connection component 5.

In particular, the connection wire 4 may be a flexible flat cable or a connection wire.

Through above-mentioned technical scheme, the technical effect that this application can reach lies in: the scheme can realize quick connection of equipment, and is favorable for improving the installation efficiency of the structure.

In another preferred embodiment of the present application, the safety member 3 is preferably a patch fuse.

In another preferred embodiment of the present application, the conductive member 1 is preferably a nickel plate, which has good conductivity and ductility, and can prevent the wire from being directly welded with the aluminum bar, and after the wire is subjected to an external force, the generated stress is too large, so that the problem of fracture occurs, and the problem of structural fracture is relieved.

In another preferred embodiment of the present application, the conductive connection part 5 is preferably a solder bump, and when the protective patch is connected with the connection wire, only the front insulating layer of the connection wire needs to be stripped to form a metal conductive strip with a certain length, and the metal conductive strip is used as a welding end to melt the solder bump and be connected with the stripped welding end of the connection wire, so that the quick connection is convenient to realize, and the conductivity of the connection is ensured.

In another preferred embodiment of the present application, an anti-oxidation coating is further included, which is applied at the welding of the connection line of the electrically conductive connection part 5 and the electricity consumption part 4.

In particular, the anti-oxidation coating is preferably an anti-oxidation glue.

Through above-mentioned technical scheme, the technical effect that this application can reach lies in: through the local point of welding coating glue protection at the welding point, can effectively prevent soldering tin oxidation, can increase structural strength, can promote its reliability again.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sampling insurance structure, comprising:

a conductive member having one end electrically connected to a power supply;

the circuit board is connected to the other end of the conductive component, and the surface of the circuit board is provided with a conductive layer of the power utilization component and a conductive layer of the power supply component, the conductive layer of the power utilization component is electrically connected to the power utilization component, and the conductive layer of the power supply component is electrically connected to the conductive component;

2. A sampling fuse structure in accordance with claim 1 wherein said conductive members are provided with spacing members for securing said circuit board and said spacing members are outboard of said fuse members.

3. The sampling safety structure according to claim 2, wherein extension parts are arranged on two sides of the conductive part, and a limiting part is formed after bending, so that the circuit board is clamped and attached to the conductive part.

4. The sampling safety structure according to claim 1, wherein the conductive layers of the power utilization part and the conductive layers of the power supply part are arranged oppositely, an insulating area is arranged at the middle part of the sampling safety structure in a spacing mode, and two conductive ends of the safety part are respectively and electrically connected with the conductive layers of the power utilization part and the conductive layers of the power supply part.

5. A sampling insurance structure according to claim 1 or 3, wherein said circuit board and said conductive member are bonded and fixed by adhesive means on their bonding surfaces.

6. A sampling insurance structure according to any of claims 1-4, wherein said electricity consuming component conductive layer and said electricity supplying component conductive layer are each provided with a conductive connection member, said electricity consuming component conductive layer is electrically connected with an electricity consuming component by said conductive connection member, and said electricity supplying component conductive layer is electrically connected with a conductive component by said conductive connection member.

7. The sampling insurance structure according to claim 6, further comprising an oxidation-resistant coating, said oxidation-resistant coating being applied to the welded portion of the connection line of said conductive connection member and said electricity-consuming member.