CN219981134U - Flexible circuit board for automobile circuit connection and automobile - Google Patents

Abstract

The utility model belongs to the technical field of automobiles, and discloses a flexible circuit board for automobile circuit connection and an automobile. The flexible circuit board for connecting the automobile circuit comprises a main body part and two connectors, wherein the main body part comprises a first substrate and two insulating layers, a plurality of first circuits are arranged on a first plate surface of the first substrate at intervals, the thickness of each first circuit is 0.012mm-0.07mm, the first substrate is packaged between the two insulating layers, and the first substrate and the insulating layers are made of flexible materials; two connectors are arranged at two ends of the first circuit respectively, one end of each connector is electrically connected with the first circuit, and the other end of each connector is used for connecting a branch joint of the whole vehicle wire harness. Above-mentioned a flexible circuit board for car circuit connection can be in the same place car pencil, has reduced the volume of whole car pencil to can laminate automobile body panel beating better, occupation automobile body space is less, has improved the utilization ratio in whole car space, also can reduce wiring degree of difficulty and risk.

Description

Flexible circuit board for automobile circuit connection and automobile

Technical Field

The utility model relates to the technical field of automobiles, in particular to a flexible circuit board for automobile circuit connection and an automobile.

Background

Along with the gradual increase of the intelligent level of the automobile, the electric function of the whole automobile is richer, the number of electric parts is multiplied, the number of interfaces and wires which are required to be transmitted by the wire harness is multiplied, the main loop of the wire harness of the whole automobile is thicker and thicker, the occupied space of the wire harness of the whole automobile is enlarged, and the weight and the cost of the wire harness are increased linearly.

At present, the whole vehicle wire harness is generally formed by bundling and then is routed along two sides of the vehicle body, and as the metal plate of the whole vehicle body is in an irregular shape, after the wire harness is formed by bundling, the bending property of the trunk of the thicker whole vehicle wire harness is poor, and the wire harness cannot be routed along with the shape of the metal plate of the vehicle body completely, so that the wire harness arrangement difficulty is increased; in addition, because the wire harness is irregularly bundled, when the wire harness interferes with peripheral parts, there is a risk that the wire harness is worn out, even resulting in starting the train.

Therefore, there is a need to provide a flexible circuit board for connecting circuits of an automobile and an automobile to solve the above problems.

Disclosure of Invention

According to one aspect of the utility model, the flexible circuit board for automobile circuit connection can integrate automobile wire harnesses, reduce the volume of the automobile wire harnesses, better fit automobile body metal plates, occupy smaller automobile body space, improve the utilization rate of the whole automobile space and reduce wiring difficulty and risk.

To achieve the purpose, the utility model adopts the following technical scheme:

a flexible circuit board for automotive circuit connection, comprising:

the main body part comprises a first substrate and two insulating layers, wherein a plurality of first circuits are arranged on a first plate surface of the first substrate at intervals, the thickness of each first circuit is 0.012mm-0.07mm, the first substrate is packaged between the two insulating layers, and the first substrate and the insulating layers are made of flexible materials;

the two connectors are respectively arranged at two ends of the first circuit, one end of each connector is electrically connected with the first circuit, and the other end of each connector is used for being connected with a branch joint of the whole vehicle wire harness.

Optionally, the thickness of the main body portion is 3mm-5mm.

Optionally, the connector comprises a second substrate, a plug-in part and a plurality of wiring terminals;

the second substrate is provided with a plurality of second circuits, one end of each second circuit in a part of the second circuits is electrically connected with one first circuit, the other end of each second circuit is electrically connected with one first end of the wiring terminal, the second end of the wiring terminal is fixed on the plug-in connection part, and the second end of the wiring terminal is used for being electrically connected with the whole vehicle wiring harness branch joint.

Optionally, the connector further comprises an insulation protection cover, and the insulation protection cover is covered on the plurality of wiring terminals.

Optionally, the insulating protection cover is clamped to the second substrate.

Optionally, a mounting hole is formed in the second substrate, a conductive nest is arranged in the mounting hole, another part of the second circuit is electrically connected with the conductive nest, and a bolt is connected with the conductive nest through threads and is electrically connected with the conductive nest.

Optionally, two mounting holes are provided, and the two mounting holes are respectively arranged at two opposite ends of the second substrate.

Optionally, the second board surface of the first substrate is also provided with a plurality of first circuits arranged at intervals, and the second board surface is arranged opposite to the first board surface.

According to another aspect of the utility model, the utility model further provides an automobile, which comprises an automobile body metal plate and the flexible circuit board for automobile circuit connection, wherein the flexible circuit board for automobile circuit connection is arranged on the automobile body metal plate.

Optionally, the vehicle body panel beating is last to be equipped with spacing post, and main part still includes spacing hole, spacing post peg graft in spacing hole.

The utility model has the beneficial effects that:

the utility model provides a flexible circuit board for connecting an automobile circuit, which comprises a main body part and two connectors, wherein the main body part comprises two insulating layers and a first substrate encapsulated between the two insulating layers. The first substrate is provided with a plurality of first lines which are arranged at intervals and used for replacing the cross section area of the whole automobile wire harness of the automobile to be 0.35mm ² Because the thickness of the first line is 0.012mm-0.07mm, and the cross section area of the wire harness of the whole automobile is 0.35mm ² The diameter of the wire of the flexible circuit board for automobile circuit connection is 0.668mm, so that the volume and the weight of the whole automobile wire harness can be effectively reduced, and the occupied space of the whole automobile wire harness and the wire harness cost are further reduced. And the cable can be isolated from a heavy-current on-load wire harness in the whole vehicle, so that EMC interference of the whole vehicle is reduced, and automobile signals are improvedStability.

The first substrates are used for integrating the first lines, so that the labor intensity of workers can be reduced compared with the prior art that the wiring harness integration is realized in a bundling mode.

Through setting up two insulating layers, can carry out insulation protection to first base plate, improve insulating properties and the wearability of first base plate, and then improve the reliability and the security that this a flexible circuit board for car circuit connection works.

The first base plate and the insulating layer are made of flexible materials, so that the flexible circuit board for automobile circuit connection is good in bending property, and accordingly the flexible circuit board for automobile circuit connection can be closely attached to the metal plate of the automobile body for arrangement, and the difficulty of wiring harness arrangement is reduced.

The utility model also provides an automobile, which comprises the automobile body metal plate and the flexible circuit board for automobile circuit connection. The flexible circuit board for automobile circuit connection is adopted in the automobile, so that the wiring harness arrangement difficulty is low, and the wiring harness cost is low.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic partial view of a flexible circuit board for connecting an automobile circuit according to an embodiment of the present utility model.

In the figure:

100. a main body portion; 111. a first line; 112. a limiting hole; 200. a connector; 210. a second substrate; 211. a second line; 220. a connection terminal; 230. an insulating protective cover; 300. the whole vehicle wire harness branch joint; 400. a bolt; 500. sheet metal of a vehicle body; 510. and a limit column.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can 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 present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a flexible circuit board for car circuit connection, can be in the same place car pencil, reduced the volume of whole car pencil to can laminate automobile body panel beating 500 better, occupation automobile body space is less, has improved the utilization ratio of whole car space, also can reduce wiring degree of difficulty and risk.

Specifically, as shown in fig. 1, the flexible circuit board for automobile circuit connection includes a main body part 100 and two connectors 200. The main body portion 100 includes a first substrate and two insulating layers, a plurality of first circuits 111 are disposed on a first board surface of the first substrate, and the plurality of first circuits 111 are disposed at intervals, so that the first circuits 111 are insulated, the thickness of the first circuits 111 is 0.012mm-0.07mm, the first substrate is encapsulated between the two insulating layers, and the first substrate and the insulating layers are made of flexible materials.

In the present embodiment, the first line 111 is used to replace the wire harness of the whole automobile with a cross-sectional area of 0.35mm ² The cross-sectional area of the wire of the whole automobile wire harness is 0.35mm ² The diameter of the wire of (a) is 0.668mm and the thickness of the first wire 111 is 0.012mm-0.07mm, and it can be seen that the thickness of the first wire 111 is much smaller than the cross-sectional area of 0.35mm in the whole automobile wire harness ² Therefore, the flexible circuit board for automobile circuit connection can effectively reduce the volume and weight of the whole automobile wire harness, further reduces the occupied space of the whole automobile wire harness and the wire harness cost, is also beneficial to reducing the driving energy consumption and improves the user experience. And the isolation can be carried out with a heavy-current on-load wire harness in the whole vehicle, so that EMC interference of the whole vehicle is reduced, and the stability of automobile signals is improved. The first lines 111 are integrated together through the first substrate, and labor intensity of workers can be reduced compared with the prior art in which harness integration is achieved through bundling.

Through setting up two insulating layers, can carry out insulation protection to first base plate, improve insulating properties, wearability and waterproof dustproof characteristic of first base plate, and then improve the reliability that this a flexible circuit board for car circuit connection works.

All adopt flexible material to make through setting up first base plate and insulating layer for this a flexible circuit board for car circuit connection's bendability preferred, and then make this a flexible circuit board for car circuit connection can hug closely automobile body panel beating 500 and arrange, reduced the degree of difficulty that the pencil was arranged.

With continued reference to fig. 1, two connectors 200 are respectively disposed at two ends of the first circuit 111, and one end of each connector 200 is electrically connected to the first circuit 111, and the other end is used for connecting the whole vehicle harness branch connector 300. Through setting up connector 200, can realize the above-mentioned flexible circuit board that is used for car circuit to connect and the quick connect of whole car pencil branch joint 300, further reduce the connection degree of difficulty of whole car pencil.

Illustratively, the thickness of the first wire 111 may be 0.012mm, 0.022mm, 0.032mm, 0.042mm, 0.052mm, 0.062mm, or 0.07mm, etc., as required.

Alternatively, the first circuit 111 may be disposed on a first substrate by printing, and the first substrate may be a printed circuit board made of polyimide or mylar as a base material, which has the characteristics of high wiring density, small weight, thin thickness, good flexibility, and the like. The first circuit 111 may be a copper foil, and the copper foil is pressed on the first substrate to form the first circuit 111.

Preferably, a plurality of first wires 111 are also disposed on the second board surface of the first substrate, and the plurality of first wires 111 are disposed at intervals, so as to insulate the plurality of first wires 111, and the second board surface is disposed opposite to the first board surface. Through also setting up a plurality of first circuit 111 on the second face of first base plate, can improve the wiring density of first base plate, and then make and use the flexible circuit board that above-mentioned is used for car circuit to connect can replace the wire in the pencil of more whole car, further reduced the volume and the weight of whole car pencil.

Further, in the present embodiment, the thickness of the main body portion 100 is 3mm to 5mm, and may be 3mm, 4mm, 5mm, or the like, for example, as needed. The flexible circuit board for automobile circuit connection is thinner, and is attached to the automobile body sheet metal 500 for arrangement during installation, so that the utilization rate of the space in the automobile is improved, and the space in the automobile is occupied very little.

Further, with continued reference to fig. 1, connector 200 includes a second substrate 210, a mating portion, and a plurality of terminals 220. The second substrate 210 is provided with a plurality of second circuits 211, one end of each second circuit 211 in a part of the second circuits 211 is electrically connected with one first circuit 111, the other end is electrically connected with the first end of one connecting terminal 220, and the arrangement of the second circuits 211 realizes the electrical connection between the first circuit 111 and the connecting terminal 220. The second end of the connection terminal 220 is fixed to the plugging portion, and the second end of the connection terminal 220 is used for being electrically connected with the whole vehicle wire harness branch joint 300, specifically, when the whole vehicle wire harness branch joint 300 is plugged into the plugging portion, the whole vehicle wire harness branch joint 300 is electrically connected with the connection terminal 220.

Alternatively, the second substrate 210 may be made of a hard material. And, the first circuit 111 and the second circuit 211, and the second circuit 211 and the connecting terminal 220 can be electrically connected by welding, so that the process is simple, the processing is convenient, and the cost is low.

Preferably, with continued reference to fig. 1, connector 200 further includes an insulating shield 230, and insulating shield 230 covers terminals 220. The insulation protection cover 230 has insulation performance, on one hand, the short circuit caused by the contact between the wiring terminal 220 and the external electrified parts can be avoided; on the other hand, the short circuit caused by the contact of the wiring terminal 220 with external dust or water can be avoided, and the reliability of the operation of the flexible circuit board for automobile circuit connection can be improved; on the other hand, the overall strength of connector 200 can be improved, and the risk of connector 200 being damaged by extrusion can be reduced. Alternatively, the insulating shield 230 may be made of a pa6+gf15 material.

Optionally, in this embodiment, the insulating protection cover 230 is clamped to the second substrate 210, which has a simple structure and facilitates installation of the insulating protection cover 230. In other embodiments, the insulating shield 230 may be mounted by other structures, for example, by being fixed to the second substrate 210 by bolting 400 or bonding, etc., and may be provided according to actual needs.

Further, with continued reference to fig. 1, the second substrate 210 is provided with a mounting hole, in which a conductive nest is disposed, and another portion of the second circuit 211 is electrically connected to the conductive nest, and the bolt 400 is electrically connected to the conductive nest through a threaded connection. By the arrangement mode, the bolts 400 can be used as signal bonding points, so that the number of holes formed in the bonding points of the whole automobile is reduced, and the integral rigidity of the automobile body is improved; at the same time, the connection strength between the bolt 400 and the second substrate 210 is also improved. Bolt 400 is optionally, but not limited to, an M6 paint scraping bolt.

Alternatively, in this embodiment, two mounting holes are provided, and the two mounting holes are respectively provided at opposite ends of the second substrate 210, and similarly, two conductive nests and bolts 400 are provided, and the conductive nests and bolts 400 are respectively provided in one-to-one correspondence with the mounting holes. In other embodiments, the number and arrangement of the mounting holes may be other, and may be set according to actual needs.

The embodiment also provides an automobile, which comprises the automobile body metal plate 500 and the flexible circuit board for automobile circuit connection. The flexible circuit board for automobile circuit connection is adopted in the automobile, so that the wiring harness arrangement difficulty is low, and the wiring harness cost is low.

Further, with continued reference to fig. 1, a limiting post 510 is disposed on the metal plate 500 of the vehicle body, and the main body 100 further includes a limiting hole 112, where the limiting post 510 is inserted into the limiting hole 112. Through the spacing post 510 of messenger peg graft in spacing hole 112, can install the flexible circuit board that is used for the car circuit to connect on automobile body panel beating 500, simple structure has reduced the wiring degree of difficulty of whole car fast.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A flexible circuit board for car circuit connection, characterized by comprising:

the main body part (100) comprises a first substrate and two insulating layers, wherein a plurality of first circuits (111) are arranged on a first plate surface of the first substrate at intervals, the thickness of each first circuit (111) is 0.012mm-0.07mm, the first substrate is packaged between the two insulating layers, and the first substrate and the insulating layers are made of flexible materials;

the two connectors (200) are respectively arranged at two ends of the first circuit (111), one end of each connector (200) is electrically connected with the first circuit (111), and the other end of each connector is used for being connected with a whole vehicle wire harness branch joint (300).

2. Flexible circuit board for automotive electrical connection according to claim 1, characterized in that the thickness of the body part (100) is 3-5 mm.

3. The flexible circuit board for automotive circuit connection according to claim 1, characterized in that the connector head (200) comprises a second substrate (210), a plug-in part and a number of connection terminals (220);

the second substrate (210) is provided with a plurality of second circuits (211), one end of each second circuit (211) in a part of the second circuits (211) is electrically connected with one first circuit (111), the other end of each second circuit is electrically connected with one first end of each wiring terminal (220), the second end of each wiring terminal (220) is fixed on the corresponding plug-in part, and the second end of each wiring terminal (220) is electrically connected with the corresponding whole wire harness branch joint (300).

4. A flexible circuit board for automotive circuit connection according to claim 3, characterized in that the second substrate (210) is provided with a mounting hole, a conductive nest is provided in the mounting hole, another part of the second circuit (211) is electrically connected with the conductive nest, and a bolt (400) is electrically connected with the conductive nest through a threaded connection.

5. The flexible circuit board for automotive circuit connection according to claim 4, wherein two of the mounting holes are provided, the two mounting holes being provided at opposite ends of the second substrate (210), respectively.

6. A flexible circuit board for automotive circuit connection according to claim 3, characterized in that the connector (200) further comprises an insulating shield (230), the insulating shield (230) being provided over a number of the connection terminals (220).

7. The flexible circuit board for automotive circuit connection of claim 6, wherein said insulating boot (230) is snapped onto said second substrate (210).

8. The flexible circuit board for connecting to an automobile circuit according to any one of claims 1 to 7, wherein the first wires (111) are also provided on a second board surface of the first board, which is disposed opposite to the first board surface, at a plurality of intervals.

9. An automobile, characterized by comprising a body sheet metal (500) and the flexible circuit board for automobile circuit connection according to any one of claims 1 to 8, which is provided on the body sheet metal (500).

10. The automobile according to claim 9, wherein the metal plate (500) of the automobile body is provided with a limiting column (510), the main body (100) further comprises a limiting hole (112), and the limiting column (510) is inserted into the limiting hole (112).