Radiating fan wire harness for vehicle

Abstract

The utility model belongs to the technical field of vehicle wire harnesses, and discloses a vehicle heat radiation fan wire harness, which comprises a heat radiation motor bottom cover and a wire harness, one end of the heat radiation motor bottom cover and one end of the top of the heat radiation motor bottom cover are fixedly provided with a wiring board through screws, two ends of the wire harness are fixedly connected with terminals in a pressing rivet mode, and sealing adhesive tapes are sleeved outside the terminals. The wiring harness is wrapped by a glass fiber tube. According to the utility model, through tin soldering, conductive reliability and low on-resistance can be ensured; position mounting columns and guide ribs are arranged at the positioning grooves, so that fool-proof and quick guide mounting effects are achieved, and stability and strength are ensured through fixation of screws; meanwhile, the wire harness can be protected by arranging the glass fiber tube, and the wire harness has the characteristics of flame retardance and high and low temperature resistance; the buckle and the protective sleeve of the metal plate provide an assembly relationship; and after the terminal is riveted with the wire harness, the terminal with the sealing plug is assembled in the sheath, so that a waterproof effect can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle wiring harnesses, and in particular relates to a vehicle cooling fan wiring harness. Background Art

[0002] With the rapid development of automobiles, intelligence and electrification have increasingly higher requirements on automobile performance, especially new energy vehicles. In order to solve the heat dissipation problem of hybrid and pure electric vehicles, a wiring harness for powering the cooling fan is designed. The working environment of this wiring harness is harsh, and the sealing requirements of the docking plug-in and the motor connection end are extremely high. In order to meet these requirements, special designs of the terminals and mounting plates are required to achieve this. Utility Model Content

[0003] The utility model aims to provide a vehicle cooling fan wiring harness, aiming to solve the technical problems existing in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A vehicle cooling fan wiring harness comprises a cooling motor bottom cover and a wiring harness, wherein one end of the top of the cooling motor bottom cover is fixedly mounted with a wiring board by screws, two ends of the wiring harness are fixedly connected with terminals by riveting, the outer sleeves of the terminals are provided with sealing tape, the outer part of the wiring harness is wrapped with a glass fiber tube, each terminal at one end of the wiring harness is provided with sealing tape, inserted into a protective sleeve, and fixed by a buckle, and the other end of the wiring harness is welded to the wiring board through each terminal.

[0006] In a preferred embodiment of the utility model, a positioning groove is provided on one side of the top of the bottom cover of the heat dissipation motor, a guide rib is provided at one side edge of the positioning groove, a circle of guide grooves is provided in the middle of the surrounding of the wiring board, and the guide rib is plugged into the bottom of the guide groove.

[0007] In a preferred embodiment of the utility model, internal threaded columns are provided at the top of the positioning groove and on the left and right sides respectively close to the middle, and a connecting hole is provided in the middle of the terminal block corresponding to the internal threaded column, and the bottom of the screw passes through the connecting hole and is threadedly connected to the internal threaded column.

[0008] In a preferred embodiment of the present utility model, the surface of the sealing tape of each of the terminals on one side of the wiring board is encapsulated with an overmolding body by injection molding.

[0009] The beneficial effects of the utility model are:

[0010] The utility model can ensure the reliability of conductive and low conduction resistance through soldering; and play the role of fool-proof and quick guiding installation by arranging position installation columns and guide ribs at the positioning grooves, and then fix them by screws to ensure stability and strength; at the same time, by arranging glass fiber tubes, the wiring harness can be protected, and it has the characteristics of flame retardancy and high and low temperature resistance; the buckle and the protective cover of the sheet metal provide an assembly relationship; the terminal is assembled into the sheath with a sealing plug after being riveted and pressed with the wiring harness, which can play a waterproof role. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the three-dimensional structure of the bottom cover of the heat dissipation motor;

[0013] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the wiring board, wiring harness and protective cover;

[0014] Figure 4 This is a schematic diagram of the installation structure of the wiring harness and terminals.

[0015] Attached figure numbers; among them, 100, heat dissipation motor bottom cover; 101, guide rib; 102, internal thread column; 103, positioning groove; 200, terminal block; 201, guide groove; 202, plastic package; 203, connecting hole; 300, wiring harness; 301, terminal; 302, sealing tape; 400, fiberglass tube; 500, protective cover; 501, buckle; 600, screw. DETAILED DESCRIPTION

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the utility model will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation of the utility model.

[0017] Example:

[0018] like Figure 1-4As shown, the present embodiment provides a vehicle cooling fan wiring harness, including a cooling motor bottom cover 100 and a wiring harness 300, one end of the top of the cooling motor bottom cover 100 is fastened with a terminal block 200 by screws 600, both ends of the wiring harness 300 are fixed with terminals 301 by riveting, the outer sleeve of the terminal 301 is provided with a sealing tape 302, the outside of the wiring harness 300 is wrapped with a glass fiber tube 400, each terminal 301 at one end of the wiring harness 300 is provided with a sealing tape 302, and is inserted into a protective cover 500 and fixed by a buckle 501, and the other end of the wiring harness 300 is welded to the terminal block 200 through each terminal 301.

[0019] In a preferred embodiment of the utility model, further, a positioning groove 103 is provided on one side of the top of the heat dissipation motor bottom cover 100, a guide rib 101 is provided at one side edge of the positioning groove 103, a circle of guide grooves 201 is provided in the middle of the wiring board 200, and the guide rib 101 is plugged into the bottom of the guide groove 201.

[0020] In a preferred embodiment of the present invention, further, internal threaded columns 102 are provided at the top of the positioning groove 103 and on the left and right sides respectively close to the middle, and a connecting hole 203 is provided in the middle of the terminal block 200 corresponding to the internal threaded column 102, and the bottom of the screw 600 passes through the connecting hole 203 and is threadedly connected to the internal threaded column 102.

[0021] In a preferred embodiment of the present invention, further, the surface of the sealing tape 302 of each terminal 301 on one side of the wiring board 200 is encapsulated with an overmolded body 202 by injection molding.

[0022] Specifically, the assembly of the wiring harness 300 is composed of a heat dissipation motor bottom cover 100, a circuit board assembly, a wiring board 200, and a 4mm 2 Wire, 0.5mm 2 The wire, the glass fiber tube 400 and the protective cover 500 of the wire harness 300 are composed. The wiring board 200 of the wire harness 300 and the circuit board assembly are soldered together. One is a pin-type connection and the other is a sheet-type connection. Soldering can ensure the conductivity reliability and low on-resistance.

[0023] After the wiring board 200 of the wiring harness 300 and the motor heat dissipation bottom cover are assembled through the internal thread column 102, the guide rib 101, and the guide groove 201, they are fixed by screws 600, thereby playing the role of foolproof and fast guiding installation, and then fixed by screws 600 to ensure stability and strength;

[0024] The assembly of the wiring harness 300 is composed of a wiring board 200, a terminal 301, wires, a glass fiber tube 400, a protective cover 500, and a buckle 501. The first terminal 301 is connected to a 4mm 2The wiring harness 300 supplies power to the motor with a large current; the second terminal 301 is connected to 0.5mm 2 The wire harness 300 is used to transmit the motor speed signal, which belongs to micro-current. Its advantages are: the glass fiber tube 400 can provide protection for the wire harness 300, and has the characteristics of flame retardancy and high and low temperature resistance; the buckle 501 provides an assembly relationship with the sheet metal. The first terminal 301 and the second terminal 301 are assembled into the sheath with a sealing plug after being riveted with the wire harness 300, which can play a waterproof role.

[0025] The terminal 301 and the wire are connected together by riveting, and the riveted part is wrapped with a sealing tape 302 and then placed in a mold for plastic coating.

[0026] After the terminal 301 and the wiring harness 300 are riveted, the sealing tape 302 is wrapped around the riveted position to protect the copper wire of the wiring harness 300. Then, the sealing tape 302, the copper wire and the plastic package 202 are sealed under high pressure. The sealing tape 302 and the copper wire ...

[0027] The sealing methods of the riveted part of the terminal 301 include: using UV glue, glue, resistance spot welding, soldering, glue-containing heat shrink tube, heat shrink tube, etc., but not limited to these solutions, all of which require protection.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wiring harness for a vehicle cooling fan, comprising a cooling motor bottom cover (100) and a wiring harness (300), characterized in that: One end of the top of the heat dissipation motor bottom cover (100) is fastened with a wiring board (200) by means of screws (600), and terminals (301) are fixedly connected at both ends of the wiring harness (300) by means of riveting, and the outer sleeve of the terminal (301) is provided with a sealing tape (302), and the outer portion of the wiring harness (300) is wrapped with a glass fiber tube (400), and each terminal (301) at one end of the wiring harness (300) is provided with a sealing tape (302), and is inserted into a protective cover (500) and fixed by means of a buckle (501), and the other end of the wiring harness (300) is welded to the wiring board (200) through each terminal (301).

2. The vehicle cooling fan wiring harness according to claim 1, characterized in that: A positioning groove (103) is provided on one side of the top of the heat dissipation motor bottom cover (100), a guide rib (101) is provided at one side edge of the positioning groove (103), a circle of guide grooves (201) is provided in the middle of the four sides of the wiring board (200), and the guide rib (101) is plugged into the bottom of the guide groove (201).

3. The vehicle cooling fan wiring harness according to claim 2, characterized in that: Internally threaded columns (102) are provided at the top of the positioning groove (103) and at the left and right sides respectively close to the middle, and a connecting hole (203) is provided in the middle of the wiring board (200) corresponding to the internally threaded column (102), and the bottom of the screw (600) passes through the connecting hole (203) and is threadedly connected to the internally threaded column (102).

4. The vehicle cooling fan wiring harness according to claim 3, characterized in that: The surface of the sealing tape (302) of each terminal (301) on one side of the wiring board (200) is encapsulated with an overmolding body (202) by injection molding.

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