CN221102553U

CN221102553U - Low-voltage wire harness for chopper module

Info

Publication number: CN221102553U
Application number: CN202322769844.XU
Authority: CN
Inventors: 陈奕寰
Original assignee: Hunan Yilisheng Electronic Technology Co ltd
Current assignee: Hunan Yilisheng Electronic Technology Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-06-07
Anticipated expiration: 2033-10-16

Abstract

The utility model discloses a low-voltage wire harness for a chopper module, which comprises a mounting plate, wherein a plurality of perforations are formed in the surface of a circular plate body of the mounting plate, and a rubber plug is arranged in each perforation; the surface of the rubber plug is provided with a positioning ring, the rubber plug is arranged in the through hole through the positioning ring, and one end of the rubber plug is provided with a connecting plate; the two sides of the rubber plugs are provided with a protective sleeve, the two sides of the protective sleeve are provided with a transition ring on the opposite sides, the protective sleeve and the center of the transition ring are provided with mounting holes, a protective wire harness is arranged between the two sides of the mounting holes, and a connecting adhesive tape is arranged between the surfaces of the two ends of the protective wire harness and the transition ring; by arranging the rubber plug, the low-voltage wire harness is sealed and meanwhile looseness between the rubber plug and the plate body is prevented; through having set up protective sleeve and transition ring, realize relatively fixed through the joint tape between the both ends of protective harness and the transition ring, prevent that protective harness from taking place the skew between the rubber buffer of both sides.

Description

Low-voltage wire harness for chopper module

Technical Field

The utility model relates to the technical field of low-voltage bundles, in particular to a low-voltage bundle for a chopper module.

Background

With the rapid development of industrial technology, large-scale power electronic equipment is increasingly widely applied in various industries; the power class and power density of electrical equipment used by the equipment are also required to be higher and higher, and a chopper module in the prior art is often designed as an independent power unit, and the chopper module always sets up a radiator, an I GBT element, a direct current busbar and a capacitor in a vertical space distribution, and is electrically connected with each electrical device through various wire harnesses.

The wire harness is characterized in that after a contact terminal (connector) made of copper material is pressed and connected with an electric wire and a cable, an insulator or an externally-added metal shell is molded, and the wire harness is easy to wet. In the prior art, a waterproof structure is generally arranged on the surface to protect the electric wires, for example, a seed low-voltage wire harness waterproof structure with the publication number of CN211295538U comprises a low-voltage wire harness, wherein the low-voltage wire harness is formed by combining a plurality of electric wires, two ends of the electric wires are in crimping connection with a connector, and the head end and the tail end of each electric wire are connected with metal terminals; the connection part of the electric wire and the metal terminal is sleeved with a waterproof plug, and the tail end of the metal terminal extends out of the waterproof plug.

But the electric wire of this kind of low voltage wiring harness waterproof construction is connected directly between waterproof stopper, does not carry out relative fixation between waterproof stopper and the electric wire. Therefore, when the low-voltage wire harness is arranged, the waterproof plug is easy to deviate from the electric wire, so that various protective layers of the electric wire are exposed; the elastic waterproof plug is also directly sleeved between the waterproof plug and the sealing plate, so that the elastic waterproof plug is likely to fall off in the setting process.

Disclosure of Invention

The utility model aims to solve the problems that the waterproof plug and the sealing plate in the background art are directly arranged and are likely to fall off, and the electric wire is easy to deviate due to no relative fixation between the electric wire and the waterproof plug, so that the internal structure is exposed, and provides a low-voltage wire harness for a chopper module.

The aim of the utility model can be achieved by the following technical scheme:

The low-voltage wire harness for the chopper module comprises a mounting plate, wherein a plurality of perforations are formed in the surface of a circular plate body of the mounting plate, and rubber plugs are arranged in each perforation; the surface of the rubber plug is provided with a positioning ring, the rubber plug is arranged in the through hole through the positioning ring, and one end of the rubber plug is provided with a connecting plate;

The two sides of the rubber plugs are provided with a protective sleeve, the two sides of the protective sleeve are provided with a transition ring on the opposite sides, the protective sleeve and the center of the transition ring are provided with mounting holes, a protective wire harness is arranged between the two sides of the mounting holes, and a connecting adhesive tape is arranged between the surfaces of the two ends of the protective wire harness and the transition ring;

The outer surface of the transition ring is inclined in a direction approaching the axis, and the thickness of the transition ring is gradually reduced along the direction of the protection wire harness.

As a further scheme of the utility model: a sealing gasket is arranged between the positioning ring and the perforation.

As a further scheme of the utility model: the protection wire harness comprises a protection layer, a waterproof layer is arranged in the protection layer, an insulating layer is arranged in the waterproof layer, and a wire core body is arranged in the insulating layer.

As a further scheme of the utility model: one side that both sides mounting panel kept away from each other is provided with metal terminal, metal terminal and sinle silk body coupling.

As a further scheme of the utility model: the opposite sides of the two side plate bodies are provided with mounting rings, the mounting rings and the plate bodies have a common circle center, a plurality of flexible supporting frames are arranged between the mounting rings at the two sides, and the outer surfaces of the flexible supporting frames are provided with protective covers.

As a further scheme of the utility model: the perforations are symmetrically arranged at equal intervals in a circumferential array about the center of the plate body.

As a further scheme of the utility model: the surface equidistance of protection pencil is provided with a plurality of lugs.

The utility model has the beneficial effects that:

(1) According to the low-voltage wire harness for the chopper module, the rubber plug is arranged, the positioning ring on the surface of the rubber plug and the connecting plate on one side can be relatively fixed with the plate body, and the low-voltage wire harness is sealed and meanwhile looseness between the rubber plug and the plate body is prevented;

(2) According to the low-voltage wire harness for the chopper module, the protective sleeve and the transition ring are arranged, the two ends of the protective wire harness are sleeved in the mounting holes in the transition ring, the two ends of the protective wire harness are relatively fixed with the transition ring through the connecting adhesive tape, and the protective wire harness is prevented from being deviated between the rubber plugs at the two sides, so that the protective layer in the protective wire harness and the wire core body are exposed.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a low voltage harness for a chopper module according to the present utility model;

FIG. 2 is a schematic view of the internal structure of a low voltage harness for a chopper module according to the present utility model;

FIG. 3 is a schematic view of the structure of the rubber stopper of the present utility model;

FIG. 4 is a schematic view of the structure of the rubber stopper mounting transition ring of the present utility model;

FIG. 5 is a schematic view of the structure of the mounting plate of the present utility model;

fig. 6 is a schematic view of the structure of the protective harness of the present utility model.

In the figure: 1. a mounting plate; 11. a plate body; 12. perforating; 13. a sealing gasket; 14. a mounting ring; 15. a support frame; 2. a rubber stopper; 21. a positioning ring; 22. a connecting plate; 23. a protective sleeve; 24. a transition ring; 25. a mounting hole; 3. a protective harness; 31. a protective layer; 32. a waterproof layer; 33. an insulating layer; 34. a core body; 35. a bump; 4. a metal terminal; 5. a connecting adhesive tape; 6. and a protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the utility model discloses a low-voltage wire harness for a chopper module, which comprises two mounting plates 1, wherein a plurality of through holes 12 are formed in the surface of a circular plate body 11 of each mounting plate 1, a rubber plug 2 is arranged in each through hole 12, a circle of positioning rings 21 are arranged on the surface of each rubber plug 2, the radius of each positioning ring 21 is matched with the radius of each through hole 12, the rubber plugs 2 are sleeved in the through holes 12 through the positioning rings 21 on the surface, and sealing gaskets 13 are further arranged between the through holes 12 and the positioning rings 21. The direction that rubber stopper 2 kept away from opposite side mounting panel 1 is provided with connecting plate 22, and the radius of connecting plate 22 is greater than the radius of one side of rubber stopper 2, can prevent that rubber stopper 2 from coming off between mounting panel 1. One side of the rubber plug 2, which is close to the other side mounting plate 1, is provided with a protective sleeve 23, the protective sleeve 23 is fixedly connected with the rubber plug 2 coaxially, and the center of the protective sleeve 23 is coaxially provided with a mounting hole 25. The protective sleeve 23 is provided with a transition ring 24 on one side close to the mounting plate 1 on the other side, the outer surface of the transition ring 24 is inclined in the direction of the central axis, and the thickness of the transition ring 24 is gradually reduced in the direction away from the protective sleeve 23 until the radius of the transition ring 24 is equal to the radius of the mounting hole 25.

A plurality of rubber plugs 2 are arranged in the mounting plates 1 on two sides, a protection wire harness 3 is arranged between the corresponding rubber plugs 2 on two sides, and two ends of the protection wire harness 3 extend into mounting holes 25 in the transition ring 24. The both ends of protection pencil 3 are provided with connection sticky tape 5, and connection sticky tape 5 twines the setting at the surface of protection pencil 3, and the one end of connection sticky tape 5 twines the surface to the transition ring 24 from the surface of protection pencil 3, makes to carry out relative fixation between protection pencil 3 and the transition ring 24. The inside of the protection harness 3 is provided with a circle of protection layer 31, the inside of the protection layer 31 is provided with a circle of waterproof layer 32, the inside of the waterproof layer 32 is provided with an insulating layer 33, and the inside of the insulating layer 33 is provided with a wire core body 34. The surface of protection pencil 3 is provided with a plurality of lugs 35, and a plurality of lugs 35 are arranged with respect to the equidistant distribution in centre of a circle of protection pencil 3, and a plurality of lugs 35 can promote the compressive property on protection pencil 3 surface, avoid steam to enter into inside when reducing fracture possibility. The metal terminal 4 is also arranged on one side of the mounting plates 1 on two sides, which are far away from each other, and the metal terminal 4 is connected with the wire core body 4.

The opposite sides of the two side plate bodies 11 are provided with mounting rings 14, the same circle center is reserved between the mounting rings 14 and the circular plate bodies 11, a plurality of flexible supporting frames 15 are arranged between the mounting rings 14 on the two sides, and the surfaces of the supporting frames 15 are provided with organ type foldable protective covers 6.

When using such a low-voltage harness for chopper module, the internal protection harness 3 is preliminarily positioned by adjusting the positions of the both side mounting plates 1; the surface of the supporting frame 15 between the mounting plates 1 on two sides is provided with the protective cover 6, so that the protective cover 6 can shield the inside protective harness 3 from water vapor, thereby playing a role in protection and water prevention; the rubber plugs 2 on two sides and the plate body 11 are connected through the locating ring 21 and the connecting plate 22, and the sealing gasket 13 is further arranged between the locating ring 21 and the mounting plate 1, so that the rubber plugs 2 can be tightly fixed between the mounting plate 1 without loosening. A plurality of protective wire harnesses 3 are arranged between the rubber plugs 2 on two sides, and the surfaces of the wire core bodies 34 are sleeved with the protective wire harnesses 3 and a plurality of protective layers to prevent the surfaces of the wire core bodies 34 from being wetted; one end of the protection sleeve 23 is provided with an inclined transition ring 24, and the transition ring 24 can be relatively fixed with two ends of the protection wire harness 3 through the connecting adhesive tape 5, so that the protection wire harness 3 is prevented from being relatively displaced with the rubber plugs 2 on two sides, and the protection wire harness 3 falls from the mounting hole 25 of the rubber plug 2.

The working principle of the utility model is as follows: according to the low-voltage wire harness for the chopper module, the rubber plug 2 is arranged, the positioning ring 21 on the surface of the rubber plug 2 and the connecting plate 22 on one side can be relatively fixed with the plate 11, and the low-voltage wire harness is sealed and meanwhile looseness between the rubber plug 2 and the plate 11 is prevented; through having set up protection sleeve 23 and transition ring 24, the mounting hole 25 in transition ring 24 is established to the both ends cover of protection pencil 3, realizes relatively fixed through connecting tape 5 between the both ends of protection pencil 3 and the transition ring 24, prevents that protection pencil 3 from taking place the skew between the rubber buffer 2 of both sides to make the inside protective layer of protection pencil 3 expose with sinle silk body 34.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The low-voltage wire harness for the chopper module comprises a mounting plate (1), and is characterized in that a plurality of through holes (12) are formed in the surface of a plate body (11) of the mounting plate (1), and a rubber plug (2) is arranged in each through hole (12); the surface of the rubber plug (2) is provided with a positioning ring (21), the rubber plug (2) is arranged in the perforation (12) through the positioning ring (21), and one end of the rubber plug (2) is provided with a connecting plate (22);

The two-side rubber plugs (2) are provided with protective sleeves (23) on one side opposite to each other, transition rings (24) are arranged on one side opposite to each other of the protective sleeves (23), mounting holes (25) are formed in the centers of the protective sleeves (23) and the transition rings (24), a protective wire harness (3) is arranged between the two mounting holes (25), and connecting adhesive tapes (5) are arranged between the surfaces of two ends of the protective wire harness (3) and the transition rings (24);

The outer surface of the transition ring (24) is inclined in a direction approaching the axis, and the thickness of the transition ring (24) is gradually reduced along the direction of the protection wire harness (3).

2. A low voltage harness for a chopper module according to claim 1, characterized in that a sealing gasket (13) is provided between the positioning ring (21) and the perforation (12).

3. The low-voltage wire harness for the chopper module according to claim 1, wherein the protective wire harness (3) comprises a protective layer (31), a waterproof layer (32) is arranged in the protective layer (31), an insulating layer (33) is arranged inside the waterproof layer (32), and a wire core body (34) is arranged inside the insulating layer (33).

4. A low-voltage harness for a chopper module according to claim 3, characterized in that the side of the mounting plates (1) on both sides that are remote from each other is provided with a metal terminal (4), and the metal terminal (4) is connected with the core body (34).

5. The low-voltage wire harness for the chopper module according to claim 1, wherein the mounting rings (14) are arranged on the opposite sides of the two side plate bodies (11), the mounting rings (14) and the plate bodies (11) have a common center, a plurality of flexible supporting frames (15) are arranged between the mounting rings (14) on the two sides, and a protective cover (6) is arranged on the outer surfaces of the flexible supporting frames (15).

6. A low-voltage harness for chopper modules according to claim 1, characterized in that the perforations (12) are symmetrically arranged in a circumferential array equidistant about the centre of the plate body (11).

7. A low-voltage harness for a chopper module according to claim 1, characterized in that the surface of the protective harness (3) is provided with a plurality of bumps (35) at equal distances.