A wiring harness connection structure and a PCB board array used thereby

By printing conductive blocks and markings on the PCB board to form a wire harness connection structure, the problems of difficult connection and wiring errors in multi-core wire harnesses in electrical appliances are solved, achieving stable, fast, and accurate multi-core wire connection.

CN223612700UActive Publication Date: 2025-11-28SHANGHAI LZTECH ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423126839.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-28
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In appliances with limited space, multi-core wire harnesses are difficult to connect and are prone to misalignment, leading to short circuits and open circuits. Furthermore, wiring can be confusing and lead to errors.

Method used

The wire harness connection structure uses printed conductive blocks and markings on the PCB board. Multiple core wires are connected simultaneously through the PCB board and fixed with injection-molded PVC glue layer. The markings on the conductive blocks ensure that the core wire colors correspond.

Benefits of technology

It achieves stable connection of multi-core wires, reduces wiring volume, improves wiring speed and accuracy, and reduces short circuit risk.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223612700U_ABST
    Figure CN223612700U_ABST
Patent Text Reader

Abstract

The utility model relates to electrical auxiliary component technical field discloses a kind of wire harness connection structure, including first wire harness end, second wire harness end and PCB board, multiple conductive blocks are printed on the PCB board, multiple core wires of the first wire harness end are respectively welded to one end of multiple conductive blocks, multiple core wires of the second wire harness end are respectively welded to the other end of multiple conductive blocks, so that the core wire of the first wire harness end and the core wire of second wire harness end are wired as required, PVC adhesive layer is formed by injection molding outside the PCB board.The utility model further discloses a kind of PCB board array, multiple PCB boards form multiple rows and columns array.The utility model connects the multiple core wires of two wire harness ends by PCB board simultaneously, guarantees the firmness of welding point, and the volume is smaller after wiring position encapsulation.And can be through the mark on PCB board and wire harness core wire color correspondence, reduce wiring error.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical auxiliary component technical field especially relates to a wire harness connecting structure and the PCB board array used therewith. BACKGROUND

[0002] The butt joint wire of various monitoring, detecting and other equipment needs to connect two different wire harnesses, and the core wires in the two wire harnesses are one-to-one corresponding in the connecting process, and after the welding by lead tin solder is completed, the welded core wires are sleeved with insulating heat shrink sleeve, and finally the glue is packed.

[0003] Since the number of the core wires to be connected is large, generally more than 4 cores, each core wire is sleeved with heat shrink sleeve and packed with glue, which forms a very thick joint, and it is difficult to place and fix in the limited space of the electrical appliance. The core wire joint packaged by the heat shrink tube is prone to position deviation during installation and use, resulting in short circuit or open circuit failure.

[0004] In addition, the core wires of the two wire harness ends are one-to-one corresponding when the wire worker connects the wires, and the corresponding can only rely on the color of the core wires of the two wire harness ends, such as connecting red wire with white wire and connecting yellow wire with green wire, which is easy to confuse and cause wiring error. INVENTION CONTENTS

[0005] The utility model discloses a wire harness connecting structure and the PCB board array used therewith, which simultaneously connects multiple core wires of two wire harness ends through the PCB board, ensures the firmness of the welding points, and has smaller volume after the packaging of the wiring position. The core wire color can be corresponded through the mark on the PCB board, and the wiring error is reduced.

[0006] The utility model discloses the technical scheme that adopts:

[0007] A wire harness connecting structure, characterized in that it comprises a first wire harness end, a second wire harness end and a PCB board, a plurality of conductive blocks are printed on the PCB board, a plurality of core wires of the first wire harness end are respectively welded to one end of the plurality of conductive blocks, a plurality of core wires of the second wire harness end are respectively welded to the other end of the plurality of conductive blocks, the core wires of the first wire harness end and the core wires of the second wire harness end are connected according to requirements, and a PVC glue layer is formed by injection molding outside the PCB board.

[0008] Further, a mark is printed on the side edge of each conductive block of the PCB board, and the mark is used to correspond the core wire color when the core wire of the wire harness end is welded.

[0009] Further, the PCB board is a double-sided board, and 4-6 conductive blocks are arranged on each side.

[0010] The utility model relates to a PCB board array, its characterized in that, a plurality of PCB boards form a multi-row and multi-column array, a plurality of PCB boards are connected into a strip-shaped PCB, a plurality of strip-shaped PCBs are arranged transversely and are connected by side plates at both ends, and each PCB board on each strip-shaped PCB is an easy-to-fold part, and the PCB boards at both ends are also easy-to-fold parts between the side plates.

[0011] Further, the strip-shaped PCB is formed by a plurality of PCB boards arranged in the length direction.

[0012] Further, the number of rows and columns of the multi-row and multi-column array is 8-16.

[0013] The utility model has the advantages that:

[0014] (1) The PCB board can butt joint more than ten core wires, has small volume after packaging, and has certain strength.

[0015] (2) By means of the contrast table, the chips of the two end wire harnesses are welded with the marked PCB board conductive blocks respectively.

[0016] (3) The PCB board array can simultaneously weld the core wires of a plurality of wire harnesses on one side, and then weld the other side, so that the wiring speed is improved.

[0017] (4) The adjacent core wires will not be short-circuited, and the insulation treatment such as heat shrink tube is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] ATTACHMENT Figure 1 It is a wiring structure schematic diagram.

[0019] ATTACHMENT Figure 2 It is a PCB board structure and wiring schematic diagram.

[0020] ATTACHMENT Figure 3 It is a PCB board array structure schematic diagram.

[0021] The reference numerals in the drawings are as follows:

[0022] 1. First wire harness end; 2 second wire harness end;

[0023] 3. Core wire; 4. PCB board;

[0024] 5. Conductive block; 6. Mark;

[0025] 7. PCB board array; 8. Side plate;

[0026] 9. Easy-to-fold part. DETAILED DESCRIPTION

[0027] The utility model relates to a wire harness connecting structure and the specific implementation of the PCB board array used in the wire harness connecting structure will be described in detail in combination with the drawings.

[0028] Referring to the accompanying drawings Figure 1 The core wires 3 of the two wire harness ends are connected through the PCB 4, and then the connection is completed through the PVC injection layer.

[0029] Referring to the accompanying drawings Figure 2 The PCB 4 is printed with a plurality of conductive blocks 5, the plurality of core wires 3 of the first wire harness end 1 are welded to one end of the plurality of conductive blocks 5 respectively, and the plurality of core wires 3 of the second wire harness end 2 are welded to the other end of the plurality of conductive blocks 5 respectively, so that the core wires 3 of the two wire harness ends are connected correspondingly.

[0030] The side of each conductive block 5 of the PCB 4 is printed with a mark 6, and the mark 6 is used for corresponding the color of the core wire 3 when the core wire 3 is welded. In the figure, the PCB 4 is printed with four conductive blocks 5, and the PCB 4 can also use a double-sided board, so that eight conductive blocks 5 are obtained, and up to eight core wires can be connected.

[0031] For example, a relationship table of the color of the core wire 3 of the wire harness and the conductive block 5 and the mark 6 is established, as shown in the following table:

[0032] In the figure, the color on the left side represents the core wire 3 of one end of the wire harness, and the code 1, A represents two ends of the first conductive block 5. The color on the right side represents the core wire 3 of the other end of the wire harness. When the connection is made, the core wire 3 on the left side is welded to one end of the conductive block 5 corresponding to the mark 6 according to the color, and the core wire 3 on the right side is welded to one end of the conductive block 5 corresponding to the mark 6 according to the color, so that the connection is completed. Even after the left side of a plurality of PCBs 4 is welded, the right side core wire 3 can be welded in batches, and the correctness of the connection can be ensured.

[0033] Referring to the accompanying drawings Figure 3 When the PCB 4 is manufactured, the whole plate is processed, and the PCB array 7 is printed on the whole plate to form multiple rows and multiple columns. The plurality of PCBs 4 are connected into a strip-shaped PCB in the length direction, the plurality of strip-shaped PCBs are arranged in a transverse direction, and the two ends are connected through the side plates 8. The PCBs 4 on each strip-shaped PCB are connected through the easy-to-fold parts 9, and the PCBs 4 at the two ends are also connected through the easy-to-fold parts 9.

[0034] When the connection is made, the one end of the whole strip-shaped PCB can be welded at the same time, and then the other end is welded. After the connection is completed, the strip-shaped PCB is broken into a single PCB with a good connection.

[0035] The above is only a preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection range of the present application.

Claims

1. A wiring harness connection structure characterized by comprising: The device includes a first wire harness end, a second wire harness end, and a PCB board. Multiple conductive blocks are printed on the PCB board. Multiple core wires of the first wire harness end are respectively soldered to one end of the multiple conductive blocks, and multiple core wires of the second wire harness end are respectively soldered to the other end of the multiple conductive blocks, so that the core wires of the first wire harness end and the core wires of the second wire harness end are connected as required. A PVC adhesive layer is formed by injection molding on the outside of the PCB board.

2. The wire harness connection structure according to claim 1, characterized in that: Each conductive block on the PCB board has a marking printed on its side, which corresponds to the color of the wire when soldering the wire harness end wire.

3. The wire harness connection structure according to claim 1, characterized in that: The PCB board is a double-sided board, with 4-6 conductive blocks on each side.

4. A PCB array comprising a plurality of PCBs with wire harness connection structures as described in any one of claims 1 to 3, characterized in that: Multiple PCBs form a multi-row, multi-column array. Multiple PCBs are connected to form a strip PCB. Multiple strip PCBs are arranged horizontally at intervals and connected at both ends by side plates. There are easy-to-break sections between each PCB on each strip PCB, and there are also easy-to-break sections between the PCBs at the very end and the side plates.

5. A PCB array according to claim 4, characterized in that: The strip PCB is formed by arranging multiple PCB boards along their length.

6. A PCB array according to claim 4 or 5, characterized in that: The number of rows and columns in the multi-row, multi-column array is 8-16.