New energy automobile low-voltage wire harness isolation device

By combining the arc-shaped cover plate and partition with hinged and clamped structures in the low-voltage wire harness isolation device of new energy vehicles, combined with the design of fan and vents, the problems of maintenance troubles and poor heat dissipation capabilities are solved, and the low-voltage wire harness is realized The effective isolation and heat dissipation protection extends the service life of the wiring harness.

CN222271989UActive Publication Date: 2024-12-31LANNUO ELECTROMECHANICAL ZHEJIANG CO LTD
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Patent Information

Application Number
CN202421241663.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2024-12-31
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The existing low-voltage wire harness isolation devices in new energy vehicles need to be opened during maintenance, which causes other wire harnesses to be disconnected and lacks a heat dissipation structure, which reduces the service life of the wire harness.

Method used

A low-voltage wire harness isolation device including pipes, annular partitions, curved cover plates and fans is designed. The wire harness isolation protection is achieved through the hinge and clamping structure between the arc cover plates and partition plates, and is provided by the fan and ventilation ports. Heat dissipation effect.

Benefits of technology

It realizes effective isolation and protection of low-voltage wiring harness, avoids the influence of high-voltage wiring harness magnetic field, and extends the service life of the wiring harness through good heat dissipation, simplifies the maintenance process of the wiring harness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile wire harnesses, in particular to a new energy automobile low-voltage wire harness isolation device which comprises a pipeline and a wire harness, a plurality of partition plates are annularly arranged on the outer side of the pipeline at equal intervals, an arc-shaped cover plate is hinged to the tail end of one side of each partition plate, and the tail end of each arc-shaped cover plate is connected with the tail end of one side of the other partition plate in a clamped mode. The multiple wire harnesses penetrate through fan-shaped areas formed by the arc-shaped cover plate and the pair of partition plates respectively, conductive foam liners capable of being matched are fixed to the inner side of the arc-shaped cover plate and the two ends of the partition plates, a plurality of ventilation openings corresponding to the fan-shaped areas are formed in the outer side of the pipeline, and a draught fan is installed at the front end in the pipeline. The wire harness fixing device has the advantages that when a certain wire harness needs to be detached for maintenance, only the corresponding arc-shaped cover plate needs to be opened, other wire harnesses cannot be separated from the device, and the wire harness fixing device is convenient to use; and the fan is matched with the ventilation openings to cool the wire harnesses, so that the service life of the wire harnesses is ensured.
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Description

Technical Field

[0001] The utility model relates to the field of automobile wiring harnesses, and specifically refers to a low-voltage wiring harness isolation device for new energy vehicles. Background Art

[0002] Signals are transmitted between various components in new energy vehicles through wiring harnesses, which are divided into high-voltage wiring harnesses and low-voltage wiring harnesses. The high-voltage wiring harness will generate a huge magnetic field, which may affect the current in the low-voltage wiring harness, thereby possibly affecting the signal transmission of the low-voltage wiring harness. At the same time, the high temperature in the engine compartment of new energy vehicles will also affect the signal transmission of the low-voltage wiring harness.

[0003] Chinese patent announcement number: CN220199231U discloses a low-voltage wiring harness isolation device for new energy vehicles, including a first isolation cover plate for low-voltage wiring harness, the bottom of the first isolation cover plate for low-voltage wiring harness is rotatably connected to a first rotating shaft, and the outer wall of the first rotating shaft is rotatably connected to a second isolation cover plate for low-voltage wiring harness, a protective pad is arranged inside the first isolation cover plate for low-voltage wiring harness, and the outer wall of the first isolation cover plate for low-voltage wiring harness is fixedly connected to a first Velcro, a second Velcro is arranged on one side of the first Velcro, and a heat insulation layer is fixedly connected to the other side of the second Velcro, and a connecting elastic sheet is fixedly connected to the side of the first isolation cover plate for low-voltage wiring harness. The device isolates the low-voltage wiring harness of the vehicle through a frame composed of various parts, but when a problem occurs in a wiring harness and needs to be disassembled for maintenance and replacement, the overall device needs to be opened, causing other wiring harnesses to detach from the isolation device and need to be reinstalled, which is more troublesome, and the device does not have a heat dissipation structure, and the heat dissipation capacity of the wiring harness is poor, which reduces the service life of the wiring harness. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that when the existing isolation device is used, when a certain wiring harness needs to be disassembled for maintenance, the entire device needs to be opened, causing other wiring harnesses to be detached from the isolation device and need to be reinstalled, which is relatively troublesome. In addition, the device is not provided with a heat dissipation structure, and the heat dissipation capacity of the wiring harness is poor.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a low-voltage wire harness isolation device for new energy vehicles, including a pipe, a wire harness, a plurality of partitions are equidistantly arranged in a ring on the outside of the pipe, an arc-shaped cover plate is hinged at one end of one side of the partition, and the end of the arc-shaped cover plate is clamped with the end of one side of another partition, the wire harness is provided with a plurality of fan-shaped areas respectively passing through the arc-shaped cover plate and a pair of partitions, a conductive foam pad that can be matched is fixed on the inner side of the arc-shaped cover plate and at both ends of the partition, a plurality of vents corresponding to the fan-shaped areas are provided on the outside of the pipe, and a fan is installed at the front end of the pipe.

[0008] Furthermore, a hinged head hinged to the arc-shaped cover plate is provided at one end of one side of the partition, and a hinged groove hinged to the hinged head is provided at one end of the arc-shaped cover plate.

[0009] Furthermore, a clamping groove is provided at the end of the other side of the partition, and a clamping joint that is clamped with the clamping groove is provided at the other end of the arc-shaped cover plate.

[0010] Furthermore, the fan includes a cover plate screwed onto the front end of the pipe, a motor is mounted on the front end of the cover plate, an output end of the motor is drivingly connected to a shaft passing through the cover plate, and a blade group is mounted on the end of the shaft.

[0011] 3. Beneficial Effects

[0012] The advantages of the utility model compared with the prior art are:

[0013] 1. The arc-shaped cover plate and the partition plate in the fan-shaped area are fixed with matching conductive foam pads, so that the low-voltage wiring harness of the car located inside is well isolated and protected, and the magnetic field generated by the high-voltage wiring harness is isolated to prevent the work of the low-voltage wiring harness from being affected.

[0014] 2. When a problem is detected in a wiring harness and it needs to be removed for maintenance and replacement, you only need to pry the end of the corresponding arc-shaped cover to disengage the card connector from the card slot. This will not cause other wiring harnesses to be disengaged from the device, making it easy to use.

[0015] 3. The fans, pipes and vents are used to dissipate heat from several wiring harnesses, which has a good heat dissipation effect and ensures the service life of the wiring harnesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the utility model.

[0017] Figure 2 It is a structural diagram of a partition of the utility model.

[0018] Figure 3 It is a structural diagram of the arc-shaped cover plate of the utility model.

[0019] Figure 4It is a structural diagram of the fan of the utility model.

[0020] As shown in the figure: 1. Pipe; 101. Fan-shaped area; 102. Vent; 2. Wiring harness; 3. Partition; 301. Hinge; 302. Snap-in groove; 4. Arc-shaped cover; 401. Hinge groove; 402. Snap-in joint; 5. Conductive foam pad; 6. Fan; 7. Cover; 8. Motor; 9. Rotating shaft; 10. Fan blade assembly. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] Embodiment 1

[0023] Combined with Figure 1 A low-voltage wiring harness isolation device for new energy vehicles includes a pipe 1 and a wiring harness 2. A plurality of partitions 3 are equidistantly arranged in a ring on the outside of the pipe 1. An arc-shaped cover plate 4 is hinged at one end of one side of the partition 3. The end of the arc-shaped cover plate 4 is clamped with the end of one side of another partition 3. The wiring harness 2 is provided with a plurality of fan-shaped areas 101 respectively passing through the arc-shaped cover plate 4 and a pair of the partitions 3. A conductive foam pad 5 that can be matched is fixed on the inner side of the arc-shaped cover plate 4 and at both ends of the partition 3. A plurality of vents 102 corresponding to the fan-shaped areas 101 are arranged on the outside of the pipe 1. A fan 6 is installed at the front end of the pipe 1.

[0024] In combination with the above structure, the arc cover plate 4 and the partition plate 3 in the fan-shaped area 101 are fixed with matching conductive foam pads 5, so that the low-voltage wiring harness of the automobile located inside, i.e., the wiring harness 2, is well isolated and protected, and the magnetic field generated by the high-voltage wiring harness is isolated to prevent affecting the operation of the low-voltage wiring harness.

[0025] Combined with Figure 2 , Attachment Figure 3 A hinge joint 301 hinged to the arc-shaped cover plate 4 is provided at one end of one side of the partition plate 3 , and a hinge groove 401 hinged to the hinge joint 301 is provided at one end of the arc-shaped cover plate 4 .

[0026] Combined with Figure 2 , Attachment Figure 3 A snap-in groove 302 is provided at the other end of the partition plate 3 , and a snap-in joint 402 snap-fitted with the snap-in groove 302 is provided at the other end of the arc-shaped cover plate 4 .

[0027] Combined with the above structure, when a problem is detected in a certain wiring harness 2 and it needs to be removed for maintenance and replacement, it is only necessary to pry the end of the corresponding arc-shaped cover plate 4 to disengage the card connector 402 from the card slot 302, without causing other wiring harnesses 2 to be detached from the device, making it easy to use.

[0028] Embodiment 2

[0029] Based on the first embodiment, combined with the attached Figure 4 The fan 6 includes a cover plate 7 screwedly mounted on the front end of the pipe 1, a motor 8 is mounted on the front end of the cover plate 7, an output end of the motor 8 is driven and connected to a shaft 9 passing through the cover plate 7, and a fan blade group 10 is mounted on the end of the shaft 9.

[0030] In combination with the above structure, when the fan 6 is in use, the motor 8 drives the fan blade group 10 to rotate, and cooperates with the vents 102 to dissipate heat for the plurality of wire harnesses 2, and the heat dissipation effect is good, thereby ensuring the service life of the wire harnesses 2.

[0031] The specific usage is as follows:

[0032] Place the low-voltage wiring harness of the car, i.e., the wiring harness 2, into the fan-shaped area 101, rotate the arc cover 4 so that its end is fixed by snapping the clamping joint 402 with the clamping groove 302, thereby realizing isolation protection for several wiring harnesses 2, isolating the magnetic field generated by the high-voltage wiring harness, and preventing the operation of the low-voltage wiring harness from being affected; when a problem is detected in a certain wiring harness 2 and it needs to be removed for maintenance and replacement, it is only necessary to pry the end of the corresponding arc cover 4 to disengage the clamping joint 402 from the clamping groove 302, without causing other wiring harnesses 2 to be separated from the device; when the wiring harness 2 is in use, start the fan 6, and dissipate the heat for several wiring harnesses 2 through its cooperation with the vent 102, the heat dissipation effect is good, and the service life of the wiring harness 2 is ensured.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A low-voltage wiring harness isolation device for a new energy vehicle, comprising a pipeline (1) and a wiring harness (2), characterized in that: The outer side of the pipe (1) is provided with a plurality of partitions (3) at equal intervals in a circular shape, and an arc-shaped cover plate (4) is hingedly connected to one end of one side of the partition (3), and the end of the arc-shaped cover plate (4) is clamped with the end of one side of another partition (3). The wiring harness (2) is provided with a plurality of fan-shaped areas (101) respectively passing through the arc-shaped cover plate (4) and a pair of the partitions (3). The inner side of the arc-shaped cover plate (4) and the two ends of the partition (3) are fixed with matching conductive foam pads (5). The outer side of the pipe (1) is provided with a plurality of ventilation openings (102) corresponding to the fan-shaped areas (101), and a fan (6) is installed at the front end of the pipe (1).

2. A low-voltage wiring harness isolation device for new energy vehicles according to claim 1, characterized in that: A hinged joint (301) hinged to the arc-shaped cover plate (4) is provided at one end of one side of the partition plate (3), and a hinged groove (401) hinged to the hinged joint (301) is provided at one end of the arc-shaped cover plate (4).

3. A low-voltage wiring harness isolation device for new energy vehicles according to claim 2, characterized in that: A clamping groove (302) is provided at the end of the other side of the partition (3), and a clamping joint (402) is provided at the other end of the arc-shaped cover plate (4) for clamping with the clamping groove (302).

4. A low-voltage wiring harness isolation device for new energy vehicles according to claim 1, characterized in that: The fan (6) comprises a cover plate (7) screwedly mounted at the front end of the pipe (1); a motor (8) is mounted at the front end of the cover plate (7); an output end of the motor (8) is drivingly connected to a rotating shaft (9) passing through the cover plate (7); a fan blade assembly (10) is mounted at the end of the rotating shaft (9).

Citation Information

Cited By

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