CN216929117U

CN216929117U - Flat cable connecting device

Info

Publication number: CN216929117U
Application number: CN202220241828.6U
Authority: CN
Inventors: 廖志勇; 钟海斌; 雷晶晶; 唐涛; 陈舟
Original assignee: Sunwoda Electric Vehicle Battery Co Ltd
Current assignee: Xinwangda Power Technology Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-08
Anticipated expiration: 2032-01-28

Abstract

The utility model provides a flat cable connecting device, which is used for connecting a flat cable and an aluminum sheet, and comprises: a control panel; the metal sheet is in conductive connection with the control board; wherein, control panel and winding displacement conducting connection, sheetmetal and aluminum sheet conducting connection. The technical scheme of this application has solved the winding displacement among the relevant art effectively and has appeared connecting unstable problem with the mode of aluminum sheet direct weld easily.

Description

Flat cable connecting device

Technical Field

The utility model relates to the technical field of battery module connection, in particular to a flat cable connecting device.

Background

With the continuous development of new energy, batteries have received wide attention from users as an environmentally friendly energy source.

For a new energy automobile, a vehicle-mounted battery is used as a power source and needs to be connected with a control circuit, and then control over the automobile is achieved. In the related art, the flat cable on the control circuit needs to be directly welded with the aluminum sheet on the battery to realize connection, and the manner of directly welding the flat cable and the aluminum sheet is prone to unstable connection.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a flat cable connecting device, which solves the problem that the connection is unstable easily in a mode of directly welding a flat cable and an aluminum sheet in the related art.

In order to achieve the above object, the present invention provides a flat cable connecting device for connecting a flat cable and an aluminum sheet, the flat cable connecting device comprising: a control panel; the metal sheet is in conductive connection with the control board; wherein, control panel and winding displacement turn-on connection, sheetmetal and aluminum sheet turn-on connection.

Further, the control panel is provided with a mounting hole, the metal sheet comprises a sheet body part and a flanging part connected with the sheet body part, and the flanging part is inserted into the mounting hole and is in conduction connection with the control panel.

Further, the sheet body is located below the control panel or above the control panel.

Further, be provided with the circuit on the control panel, the winding displacement is connected in the first end of circuit, and the aluminum sheet is connected at the second end of circuit, still includes the detection piece on the control panel, and the detection piece is connected on the circuit.

Further, the detection member includes a temperature sensor and/or a fuse.

Furthermore, the flat cable connecting device also comprises a protective layer which is arranged on one side of the control board far away from the temperature sensor.

Furthermore, the flat cable connecting device further comprises a protection piece, wherein the protection piece covers one side of the control board, which is provided with the temperature sensor, and is provided with an avoiding hole for avoiding the temperature sensor.

Furthermore, the flat cable connecting device also comprises a packaging piece which is arranged in the avoiding hole and seals the temperature sensor.

Furthermore, the flat cable connecting device further comprises a protective layer made of FR4, the protective element made of FR4, and the packaging element made of UV glue.

Further, the protection piece comprises an extension section protruding out of the control board, and a connecting hole is formed in the extension section.

By applying the technical scheme of the utility model, the metal sheet is in conduction connection with the control panel, the control panel is in conduction connection with the flat cable, and the metal sheet is in conduction connection with the aluminum sheet. Through foretell setting, control panel and sheetmetal have been add between winding displacement and aluminum sheet to make winding displacement and control panel connect, aluminum sheet and sheetmetal are connected. The connection effect of the flat cable and the control panel and the connection effect of the aluminum sheet and the metal sheet are better than the direct connection of the flat cable and the aluminum sheet, so that the connection effect of the aluminum sheet and the flat cable on the battery can be effectively improved through the arrangement. Therefore, the technical scheme of the application effectively solves the problem that connection is unstable easily in a mode of directly welding the flat cable and the aluminum sheet in the related technology.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic top view of an embodiment of a flex cable connection device according to the utility model;

FIG. 2 shows a schematic side view of the flex cable connection device of FIG. 1;

FIG. 3 shows a schematic cross-sectional view of a metal sheet of the flex cable connection device of FIG. 1;

fig. 4 shows a schematic top view of various circuits of the flex cable connection device of fig. 1;

fig. 5 shows a schematic top view of different metal sheets of the bus cable connecting device of fig. 1;

FIG. 6 shows a schematic side view of the metal sheet of FIG. 5;

fig. 7 is a schematic top view of the flat cable connector of fig. 1 without a metal sheet;

figure 8 shows a schematic top view of the flex cable connector mounting guard of figure 1;

FIG. 9 shows a cross-sectional schematic view of the flex cable connection apparatus of FIG. 8;

FIG. 10 shows a top schematic view of the protective shield of FIG. 8;

fig. 11 is a schematic top view showing the flat cable connecting device of fig. 8 with the protecting member provided with the connecting hole;

FIG. 12 shows a cross-sectional schematic view of the flex cable connection apparatus of FIG. 11;

fig. 13 shows a top schematic view of the protective shield of fig. 11.

Wherein the figures include the following reference numerals:

10. a control panel; 11. mounting holes; 12. a circuit; 13. a detection member; 131. a temperature sensor; 132. a fuse; 20. a metal sheet; 21. a sheet body portion; 22. flanging part; 30. a protective layer; 40. a guard; 41. avoiding holes; 42. an extension section; 421. connecting holes; 50. and (7) packaging the components.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 4, in the present embodiment, the flat cable connecting device is used for connecting a flat cable and an aluminum sheet, and the flat cable connecting device includes: a control board 10 and a metal sheet 20. The metal sheet 20 is connected with the control board 10 in a conduction way; wherein, the control panel 10 is connected with the flat cable in a conduction way, and the metal sheet 20 is connected with the aluminum sheet in a conduction way.

By applying the technical scheme of the embodiment, the metal sheet 20 is in conductive connection with the control panel 10, the control panel 10 is in conductive connection with the flat cable, and the metal sheet 20 is in conductive connection with the aluminum sheet. Through the arrangement, the control panel 10 and the metal sheet 20 are additionally arranged between the flat cable and the aluminum sheet, the flat cable is connected with the control panel 10, and the aluminum sheet is connected with the metal sheet 20. The connection effect of the flat cable and the control panel 10 and the connection effect of the aluminum sheet and the metal sheet 20 are better than the direct connection of the flat cable and the aluminum sheet, so that the connection effect of the aluminum sheet and the flat cable on the battery can be effectively improved through the arrangement. Therefore, the technical scheme of the embodiment effectively solves the problem that connection is unstable easily in a direct welding mode of the flat cable and the aluminum sheet in the related art.

In the present embodiment, the metal sheet 20 includes a nickel sheet.

At present, the connection between the metal sheet 20 and the control board 10 includes various types, such as direct welding, riveting, etc., but in the present embodiment, in order to ensure the stability of the connection between the metal sheet 20 and the control board 10, therefore, as shown in fig. 1 to 4, in the present embodiment, the control board 10 is provided with the mounting hole 11, the metal sheet 20 includes a sheet body portion 21 and a burring portion 22 connected to the sheet body portion 21, and the burring portion 22 is inserted into the mounting hole 11 and is conductively connected to the control board 10. Through foretell setting, turn-ups portion 22 can insert to mounting hole 11 in to be connected turn-on with turn-ups portion 22 and control panel 10 in mounting hole 11 department, because the cooperation of turn-ups portion 22 and mounting hole 11 has played certain limiting displacement like this, and then make the position of sheetmetal 20 more stable, on the other hand, through foretell connection, can guarantee the effect that switches on, turn-ups portion 22 is difficult for rocking promptly, and then makes welded stability better.

In another embodiment, as shown in fig. 5 and 6, the above-described function can be achieved by inserting the burring part into the mounting hole, bending it and riveting it.

As shown in fig. 1 to 4, in the present embodiment, the sheet body portion 21 is located below the control board 10. The above arrangement enables the partial structure of the sheet body portion 21 to be brought into abutting engagement with the control plate 10, which can further improve the stability of the metal sheet 20.

Of course, in an embodiment not shown in the drawings, the sheet part is disposed above the control board. This also achieves the above-described effects.

As shown in fig. 7, the control board 10 may be connected to the flat cable and the aluminum sheet directly through the circuit 12 on the control board 10 without the metal sheet 20.

As shown in fig. 8 to 13, in the present embodiment, in the electric vehicle battery, a collecting line (flat cable) is used to collect the cell voltage and the temperature signal in the battery. Different electric cores are connected with different acquisition cables, and the cables collect voltage signals of all the electric cores. In addition, N (generally 2-4) temperature acquisition components (NTC thermistors or other NTC modules) need to be arranged in the battery, and a complete acquisition line product generally comprises a PCB or FPC board capable of bearing related components. According to the technical scheme of the embodiment, the detection piece 13 is integrated on the control board 10, the temperature signal can be acquired, and the product has the advantages of low cost, good appearance consistency and easiness in assembly.

As shown in fig. 8 to 13, in the present embodiment, the control board 10 is provided with a circuit 12, the flat cable is connected to a first end of the circuit 12, the aluminum sheet is connected to a second end of the circuit 12, the control board 10 further includes a detecting element 13, and the detecting element 13 is connected to the circuit 12. Foretell control panel 10 is the PCB board, and the circuit is for silk screen printing on the PCB board, sets up detecting element 13 on the circuit, and the occupation in space can be practiced thrift effectively on the one hand like this, and on the other hand can make detection effect more accurate. In particular, the detection member 13 is integrated on the control board 10, which enables the control board 10 to perform various functions, such as overcurrent protection.

As shown in fig. 8 to 13, in the present embodiment, the detection member 13 includes a temperature sensor 131 and a fuse 132. The arrangement enables the control panel 10 to conduct the flat cable and the aluminum sheet and simultaneously conduct overcurrent protection on the circuit.

In embodiments not shown in the figures, the detection element may comprise only a temperature sensor, or only a fuse, or the detection element may comprise further components.

The technical scheme of the embodiment has the following advantages: can realize the connection of the flat cable and the aluminum sheet. The connection of the flat cable and the electronic component can be realized. Overcurrent protection can be realized.

In order to avoid the above situation, as shown in fig. 8 to 13, in the present embodiment, the flat cable connection device further includes a protective layer 30, and the protective layer 30 is disposed on a side of the control board 10 away from the temperature sensor 131. The protective layer 30 can reinforce the control panel 10 to prevent the control panel 10 from being cracked due to the above-mentioned problems.

As shown in fig. 8 to 13, in the present embodiment, the flat cable connecting device further includes a protection member 40, and the protection member 40 covers a side of the control board 10 where the temperature sensor 131 is provided and has a relief hole 41 for relieving the temperature sensor 131. The protection member 40 is provided to protect the temperature sensor 131 and prevent the temperature sensor 131 from being damaged due to an impact on the side of the control board 10 where the temperature sensor 131 is provided. The thickness of the protection member 40 is larger than the height of the temperature sensor 131, which can further improve the protection effect.

In order to further enhance the protection effect, as shown in fig. 8 to 13, in the present embodiment, the flat cable connection device further includes a package 50, and the package 50 is disposed in the avoiding hole 41 and seals the temperature sensor 131. The above arrangement can further improve the protection effect of the temperature sensor 131.

As shown in fig. 8 to 13, in the present embodiment, the flat cable connection device further includes a protective layer 30, the material of the protective layer 30 is FR4, the material of the protective element 40 is FR4, and the package 50 is UV glue. FR4 is a composite material of epoxy resin, filler and glass fibers. FR4 has stable electrical insulation performance, good flatness, and smooth surface. UV glue, i.e. shadowless glue, also known as photosensitive glue, UV curable glue, is a type of adhesive that must be cured by UV irradiation. The UV adhesive is completely transparent after being cured, and has the characteristics of good toughness and the like. Specifically, in the present embodiment, the protective layer 30 and the protection piece 40 are both FR4 reinforcing plates.

As shown in fig. 8 to 13, in the present embodiment, the protection member 40 includes an extension 42 protruding from the control board 10, and the extension 42 is provided with a connection hole 421. The above-described attachment holes 421 are provided to facilitate fixing the control panel 10 to a proper position.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms 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, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flat cable connecting device is used for being connected with a flat cable and an aluminum sheet, and is characterized by comprising:

a control panel (10);

the metal sheet (20), the metal sheet (20) is connected with the control board (10) in a conduction mode;

the control panel (10) is in conductive connection with the flat cable, and the metal sheet (20) is in conductive connection with the aluminum sheet.

2. The flat cable connecting device according to claim 1, wherein the control board (10) is provided with a mounting hole (11), the metal sheet (20) comprises a sheet body portion (21) and a flange portion (22) connected to the sheet body portion (21), and the flange portion (22) is inserted into the mounting hole (11) and is conductively connected to the control board (10).

3. The ribbon cable connecting device according to claim 2, wherein the blade portion (21) is located below the control board (10) or above the control board (10).

4. The flat cable connecting device according to claim 1, wherein the control board (10) is provided with a circuit (12), the flat cable is connected to a first end of the circuit (12), the aluminum sheet is connected to a second end of the circuit (12), the control board (10) further comprises a detecting member (13), and the detecting member (13) is connected to the circuit (12).

5. A bus connection device according to claim 4, wherein the detecting member (13) comprises a temperature sensor (131) and/or a fuse (132).

6. The flat cable connection device according to claim 5, further comprising a protective layer (30), wherein the protective layer (30) is disposed on a side of the control board (10) away from the temperature sensor (131).

7. The flat cable connecting device according to claim 5, further comprising a shielding member (40), wherein the shielding member (40) covers a side of the control board (10) where the temperature sensor (131) is disposed and has an escape hole (41) to escape the temperature sensor (131).

8. The flat cable connection device according to claim 7, further comprising a packing member (50), wherein the packing member (50) is disposed in the relief hole (41) and seals the temperature sensor (131).

9. The flat cable connecting device according to claim 8, further comprising a protective layer (30), wherein the protective layer (30) is made of FR4, the protective member (40) is made of FR4, and the sealing member (50) is made of UV glue.

10. The traverse connection device of claim 7, wherein the guard (40) comprises an elongated section (42) protruding from the control plate (10), and the elongated section (42) is provided with a connection hole (421).