CN217691708U - High-voltage wire harness with wire tail connected with round terminal - Google Patents

Abstract

The utility model discloses a high-voltage wire harness with a round terminal connected with the tail part of an electric wire, which relates to the technical field of high-voltage wire harnesses and comprises a high-voltage waterproof jacket, wherein one side of the high-voltage waterproof jacket is spliced with a high-voltage shielding wire, the outer wall of the high-voltage shielding wire is sleeved with a corrugated pipe, the other side of the high-voltage shielding wire is penetrated with a protective cover, one side of the protective cover is connected with a metal wire buckle, and the other side of the metal wire buckle is provided with a sealing plug; two groups of high-voltage shielding wires are arranged on one side of the high-voltage waterproof sheath, and the other sides of the two groups of high-voltage shielding wires are respectively in press connection with a negative terminal and a positive terminal. The utility model discloses in, replace soldering tin through setting up circular terminal in one side of high-voltage shielded wire, not only provide power input, can guarantee the normal operating of electrical apparatus, convenient operation is difficult for droing moreover, has improved the reliability of product to compare in soldering tin, fixation nut easy operation requires not highly to staff's operation level, is favorable to improving the installation effectiveness of pencil, and improves the yield.

Description

High-voltage wire harness with wire tail connected with round terminal

Technical Field

The utility model relates to a high-pressure pencil technical field especially relates to a high-pressure pencil that electric wire afterbody meets circular terminal.

Background

The wiring harness is a network main body of an automobile circuit, the automobile circuit does not exist even if the wiring harness does not exist, the wiring harness is basically in the same form, the wiring harness is formed by pressing a contact terminal punched by a copper material and a wire cable in a compression joint mode, then an insulator or an additional metal shell is molded and pressed outside the contact terminal, and the like, so that a component for connecting the circuit is formed by bundling the wiring harness.

When an existing high-voltage wire harness is connected with a PTC box body, one end of the wire harness is usually inserted into a high-voltage sheath, the other end of the wire harness is manually tinned, and the wire harness is welded on a circuit board of the PTC box body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current high-pressure pencil when being connected with the PTC box, be that pencil one end is inserted in high-pressure sheath usually, the other end carries out artifical tin-plating, welds on the circuit board of PTC box, adopts this kind of welded technology mode, and is higher to staff's operation level requirement, and soldering tin drops easily moreover, influences the product function, can't ensure the shortcoming of the reliability of product, and the high-pressure pencil of circular terminal is connect to an electric wire afterbody that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-voltage wire harness with a wire tail connected with a round terminal comprises a high-voltage waterproof sheath, wherein a high-voltage shielding wire is spliced on one side of the high-voltage waterproof sheath, a corrugated pipe is sleeved on the outer wall of the high-voltage shielding wire, a protective cover is connected to the other side of the high-voltage shielding wire in a penetrating mode, a metal wire buckle is connected to one side of the protective cover, and a sealing plug is installed on the other side of the metal wire buckle;

the high-voltage shielding wires are arranged in two groups on one side of the high-voltage waterproof sheath, and the other sides of the two groups of high-voltage shielding wires are respectively in press connection with a negative terminal and a positive terminal.

As a further description of the above technical solution:

the high-voltage shielding wire is connected with the high-voltage waterproof sheath through the connecting terminal, and the connecting terminal is installed with the high-voltage waterproof sheath in a clamping mode through the lock hook.

As a further description of the above technical solution:

the two groups of high-voltage shielding wires are arranged on one side of the high-voltage waterproof sheath from top to bottom, the high-voltage shielding wires above the high-voltage shielding wires are connected with the negative terminal through the second heat-shrinkable tube, and the high-voltage shielding wires below the high-voltage shielding wires are connected with the positive terminal through the first heat-shrinkable tube.

As a further description of the above technical solution:

the negative terminal and the positive terminal are both round terminals, the first heat-shrinkable tube is a red heat-shrinkable tube, and the second heat-shrinkable tube is a black heat-shrinkable tube.

As a further description of the above technical solution:

the metal wire is buckled and riveted on the surface of the shielding layer of the high-voltage shielding wire, and the high-voltage shielding wire penetrates through the sealing plug.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, set up circular terminal through one side at the high-voltage shielded wire and replace soldering tin, not only provide power input, can guarantee the normal operating of electrical apparatus, convenient operation is difficult for droing moreover, has improved the reliability of product to compare in soldering tin, fixation nut easy operation requires not highly to staff's operation level, is favorable to improving the installation effectiveness of pencil, and improves the yield.

Drawings

Fig. 1 is a schematic structural view of a high-voltage wire harness of the present invention, in which the tail of an electric wire is connected to a circular terminal;

fig. 2 is a schematic view of a connection structure of the medium-high voltage shielded wire and the corrugated pipe according to the present invention;

fig. 3 is a schematic view of the engaging structure between the middle-high voltage waterproof sheath and the connecting terminal of the present invention;

FIG. 4 is a schematic cross-sectional view of the protective cover and the sealing plug of the present invention;

fig. 5 is a schematic diagram of the connection between the high-voltage wire harness and the PTC box according to the present invention.

Illustration of the drawings:

1. a high-pressure waterproof sheath; 101. a connection terminal; 102. a latch hook; 2. a high voltage shielded wire; 3. a bellows; 4. a protective cover; 5. a metal wire buckle; 6. a sealing plug; 7. a negative terminal; 8. a positive electrode terminal; 9. a first heat shrink tube; 10. a second heat shrink tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 5, a high-voltage wire harness with a wire tail connected with a round terminal comprises a high-voltage waterproof jacket 1, a connecting terminal 101, a latch hook 102, a high-voltage shielding wire 2, a corrugated pipe 3, a protective cover 4, a metal wire buckle 5, a sealing plug 6, a negative terminal 7, a positive terminal 8, a first heat-shrinkable pipe 9 and a second heat-shrinkable pipe 10, wherein the high-voltage shielding wire 2 is inserted into one side of the high-voltage waterproof jacket 1, the corrugated pipe 3 is sleeved on the outer wall of the high-voltage shielding wire 2, the protective cover 4 penetrates through the other side of the high-voltage shielding wire 2, the metal wire buckle 5 is connected to one side of the protective cover 4, the sealing plug 6 is installed on the other side of the metal wire buckle 5, and the high-voltage waterproof jacket 1 is a Lexing 020A/WF A-2P-HA (020)/C0210 AH jacket;

the high-voltage shielding wires 2 are arranged in two groups on one side of the high-voltage waterproof sheath 1, the other sides of the two groups of high-voltage shielding wires 2 are respectively in compression joint with the negative terminal 7 and the positive terminal 8, and the high-voltage shielding wires 2 are 3-square-orange high-voltage shielding wires, so that the current transmission effect of the high-voltage wire harness in use is ensured.

Further, high-voltage shielded wire 2 is connected with high-voltage waterproof sheath 1 through connecting terminal 101, and connecting terminal 101 passes through latch hook 102 and the installation of high-voltage waterproof sheath 1 block, hole about having seted up in one side of high-voltage waterproof sheath 1, peg graft and have two piece upper and lower high-voltage shielded wire 2, high-voltage shielded wire 2 is in with connecting terminal 101 crimping back, insert the upper and lower hole of high-voltage waterproof sheath 1 afterbody respectively, be connected with high-voltage waterproof sheath 1 through latch hook 102, and crimping in the high-voltage wire harness is exerted pressure to the metal object through the machine, wrap up other objects after making the metal object produce deformation, reach the effect of interconnect.

Further, two sets of high-voltage shielded wires 2 are arranged up and down on one side of the high-voltage waterproof sheath 1, the high-voltage shielded wires 2 above the high-voltage shielded wires are connected with the negative terminal 7 through the second heat-shrinkable tube 10, the high-voltage shielded wires 2 below the high-voltage shielded wires are connected with the positive terminal 8 through the first heat-shrinkable tube 9, the second heat-shrinkable tube 10 covers the crimping area between the high-voltage shielded wires 2 and the negative terminal 7, the connection stability of the negative terminal 7 and the high-voltage shielded wires 2 is ensured, and the connection quality of high-voltage wire harnesses is ensured.

Furthermore, the negative terminal 7 and the positive terminal 8 are both round terminals, the first heat-shrinkable tube 9 is a red heat-shrinkable tube, the second heat-shrinkable tube 10 is a black heat-shrinkable tube, and the M4 stud is selected as the stud of the PTC, so that the diameter of a middle hole of the round terminal is designed to be 4.3mm which is matched with the middle hole of the round terminal, the attaching effect is improved, the contact area is increased, local overheating is prevented, the M4 nut is screwed, the torque is guaranteed to reach 3.6 N.M, and the round terminal is tightly attached to the stud and is not easy to fall off.

Further, 5 riveting of metal wire buckle are on the shielding layer surface of high-voltage shielded wire 2, and high-voltage shielded wire 2 runs through in the inside of sealing plug 6, penetrates high-voltage shielded wire 2 through sealing plug 6 is inside, plays sealed effect to high-voltage shielded wire 2 to through setting up visor 4 in the outside of high-voltage shielded wire 2, prevent that high-voltage shielded wire 2 from being worn and torn, be favorable to prolonging the life of high-voltage wire harness.

The working principle is as follows: when the round terminal is used, the round terminal is installed through the nut, the positive terminal 8 is connected to the positive stud of the PTC internal circuit board, the negative terminal 7 is connected to the negative stud of the PTC internal circuit board, so that the electric wire can transmit current to the circuit board through the round terminal to supply power to the PTC circuit board, when the PTC of the whole new energy vehicle air conditioner needs to work, the high-voltage waterproof jacket 1 is connected with the external power distribution unit, the current flows into the lower hole of the high-voltage waterproof jacket 1 from the external power distribution unit and then flows into the high-voltage shielding wire 2 on the lower side, the current flows into the PTC system through the positive terminal 8 to supply power to the heating system, then the current flows into the high-voltage shielding wire 2 on the upper side through the negative terminal 7, enters the upper hole of the high-voltage waterproof jacket 1 and flows back to the power distribution unit, and the power distribution unit is connected with the positive and negative electrodes of the storage battery to form a complete loop to supply power to the PTC system, and thus the working principle of the high-voltage wiring harness is completed.

Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a high-pressure pencil that electric wire afterbody meets circular terminal, includes high-pressure waterproof sheath (1), its characterized in that: a high-voltage shielding wire (2) is inserted into one side of the high-voltage waterproof sheath (1), a corrugated pipe (3) is sleeved on the outer wall of the high-voltage shielding wire (2), a protective cover (4) is connected to the other side of the high-voltage shielding wire (2) in a penetrating mode, a metal wire buckle (5) is connected to one side of the protective cover (4), and a sealing plug (6) is installed on the other side of the metal wire buckle (5);

the high-voltage shielding wires (2) are arranged in two groups on one side of the high-voltage waterproof sheath (1), and the other sides of the two groups of high-voltage shielding wires (2) are respectively in compression joint with a negative terminal (7) and a positive terminal (8).

2. A high voltage wire harness having a wire tail portion connected to a round terminal according to claim 1, wherein: the high-voltage shielding wire (2) is connected with the high-voltage waterproof sheath (1) through the connecting terminal (101), and the connecting terminal (101) is clamped and installed with the high-voltage waterproof sheath (1) through the lock hook (102).

3. The high-voltage wire harness with the wire tail connected with the round terminal as claimed in claim 2, wherein: the two groups of high-voltage shielding wires (2) are arranged on one side of the high-voltage waterproof sheath (1) from top to bottom, the high-voltage shielding wires (2) above the high-voltage shielding wires are connected with the negative terminal (7) through the second heat-shrinkable tube (10), and the high-voltage shielding wires (2) below the high-voltage shielding wires are connected with the positive terminal (8) through the first heat-shrinkable tube (9).

4. A high voltage wire harness having a wire tail portion connected to a round terminal according to claim 3, wherein: the negative terminal (7) and the positive terminal (8) are both round terminals, the first heat shrink tube (9) is a red heat shrink tube, and the second heat shrink tube (10) is a black heat shrink tube.

5. A high voltage wire harness having a wire tail portion connected to a round terminal according to claim 1, wherein: the metal wire buckle (5) is riveted on the surface of the shielding layer of the high-voltage shielding wire (2), and the high-voltage shielding wire (2) penetrates through the sealing plug (6).

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