CN216251466U

CN216251466U - Maintainable high-current connector

Info

Publication number: CN216251466U
Application number: CN202122729753.4U
Authority: CN
Inventors: 章驰威
Original assignee: Yien New Power Technology Shandong Co ltd
Current assignee: Yien New Power Technology Shandong Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-08
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a maintainable high-current connector which comprises a socket shell, a PTC fuse and a plug shell, wherein a fuse connecting jack is arranged in the socket shell, a plug and a socket end sealing ring are arranged on the outer side of the socket shell, the PTC fuse is arranged in the plug shell, a fuse connecting contact pin is connected to the right side of the PTC fuse, a resistor disc is arranged on the upper right side in the plug shell and connected with the PTC fuse through a connecting copper wire, a maintenance window is formed in the surface of the plug shell, and the plug and a wiring harness end sealing ring are arranged on the right side in the plug shell. The maintainable high-current connector is provided with the PTC fuse, the connector can recover after a fault short circuit, the temperature of the internally integrated PTC fuse can rise sharply when the PTC fuse is in the short circuit and reaches 125 ℃, and when the temperature drops to below 70 ℃, the internal resistance of the fuse can return to a few milliohms, so that the connector works normally.

Description

Maintainable high-current connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a maintainable high-current connector.

Background

At present, high-voltage quick-plug connectors in the new energy industry are basically in pure electrical connection, fuses need to be added in circuits if short-circuit faults in prevention circuits need to be added in the circuits, so that more space and cost are needed, states (normal working states or fault states) of the connectors cannot be distinguished through appearances, and faults need to be checked one by spending more manpower in the fault checking process.

We have therefore proposed a serviceable high current connector which addresses the problems set out above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a maintainable high-current connector to solve the problem of troublesome connector inspection in the current market, which is proposed by the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a maintainable high-current connector comprises a socket shell, a PTC fuse and a plug shell,

the socket is characterized in that a fuse connecting jack is arranged in the socket shell, and a plug and a socket end sealing ring are arranged on the outer side of the socket shell.

The plug comprises a plug shell and is characterized in that a PTC fuse is arranged inside the plug shell, the right side of the PTC fuse is connected with a fuse connecting contact pin, a resistor disc is arranged on the upper right side inside the plug shell and connected with the PTC fuse through a connecting copper wire, a maintenance window is arranged above the resistor disc and is arranged on the surface of the plug shell, and a plug and a wire harness end sealing ring are installed on the right side inside the plug shell.

Preferably, the socket housing and the plug housing form a clamping structure, and a socket terminal is arranged on the left side of the socket housing and connected with the fuse connecting jack.

By adopting the design of the structure, the normal communication of the internal circuits of the connector is facilitated, and the normal use of the connector is ensured.

Preferably, the left side of the PTC fuse is connected with the fuse connecting jack, and the PTC fuse is designed to be a cylindrical structure.

By adopting the design with the structure, the connector has the function of a fuse, the space and the cost can be saved, and the practicability is increased.

Preferably, the fuse connecting pin is of a cylindrical structure, and the diameter of the fuse connecting pin is smaller than that of the PTC fuse.

By adopting the design of the structure, the connector is convenient to be quickly connected and used, and the convenience of installation and disassembly is improved.

Preferably, the plug housing is provided with a plug terminal inside, and the plug terminal is connected with the fuse connecting pin.

By adopting the design of the structure, the normal use of the connector is ensured.

Preferably, the maintenance window is connected with the plug shell in a clamping mode, and the maintenance window is a transparent PP sheet.

By adopting the design of the structure, the worker can observe whether the resistance card deforms or not visually from the maintenance window, so that the checking operation can be rapidly carried out.

Compared with the prior art, the utility model has the beneficial effects that: this but maintain formula heavy current connector:

1. the PTC fuse is arranged, so that the space and the cost can be saved, and the practicability of the device is greatly improved;

2. the PTC fuse is arranged, the connector can recover after a fault short circuit, the temperature of the internally integrated PTC fuse can rise rapidly when the PTC fuse is in the short circuit and reaches 125 ℃, and when the temperature drops to below 70 ℃, the internal resistance of the fuse can return to several milliohms, so that the connector works normally, and the connector has long service life;

3. the maintenance window is arranged, whether the connector works normally or not and whether a fault occurs can be judged through the maintenance window, and the convenience and rapidness of after-sale maintenance are guaranteed;

4. this connector is high pressure quick plug connector, and the connector is outer box of metal, can effectively generate heat when the insurance generates heat, and the connector sealing washer is double-deck wavy line, and the connector possesses the IP68 requirement, is higher than the IP67 grade that requires in the trade, and can guarantee connector fail safe nature.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic view of the main cross-sectional structure of the present invention.

In the figure: 1. a socket housing; 101. a socket terminal; 2. a PTC fuse; 3. resistance cards; 4. connecting copper wires; 5. a plug and wire harness end sealing ring; 6. the fuse is connected with the contact pin; 7. the fuse is connected with the jack; 8. a plug and socket end seal ring; 9. a plug housing; 901. a plug terminal; 10. and maintaining the window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a maintainable high-current connector comprises a socket shell 1, a PTC fuse 2, a resistor disc 3, a connecting copper wire 4, a plug and wire harness end sealing ring 5, a fuse connecting pin 6, a fuse connecting jack 7, a plug and socket end sealing ring 8, a plug shell 9 and a maintenance window 10, wherein the fuse connecting jack 7 is arranged in the socket shell 1, the plug and socket end sealing ring 8 is arranged on the outer side of the socket shell 1, the PTC fuse 2 is arranged in the plug shell 9, the fuse connecting pin 6 is connected on the right side of the PTC fuse 2, the PTC fuse 2 can be recovered to be normal when returning to normal temperature after short circuit, the socket shell 1 and the plug shell 9 form a clamping structure, a socket terminal 101 is arranged on the left side of the socket shell 1, the socket terminal 101 is connected with the fuse connecting jack 7, and normal connection and operation of a circuit are ensured, the left side of the PTC fuse 2 is connected with a fuse connecting jack 7, the PTC fuse 2 is designed to be a cylinder structure, a fuse connecting pin 6 is in a cylinder structure, the diameter of the fuse connecting pin 6 is smaller than that of the PTC fuse 2, a plug terminal 901 is arranged inside a plug housing 9, the plug terminal 901 is connected with the fuse connecting pin 6, a resistor disc 3 is arranged at the upper right inside the plug housing 9, the resistor disc 3 is connected with the PTC fuse 2 through a connecting copper wire 4, a maintenance window 10 is arranged above the resistor disc 3, after the PTC fuse 2 is in short circuit (after a connector fails), current can flow through the resistor disc 3, so that the appearance change of the resistor disc 3 is caused, the maintenance window 10 is arranged on the surface of the plug housing 9, the maintenance window 10 is connected with the plug housing 9 in a clamping manner, and the maintenance window 10 is a transparent PP disc, the right side in the plug shell 9 is provided with a plug and a wire harness end sealing ring 5,

the working principle is as follows: in using the maintainable high-current connector, first, as shown in fig. 1 to 5, the socket housing 1 is connected to the plug housing 9 so that the PTC fuse 2 is connected to the socket terminal 101 through the fuse connection jack 7, and then, it is started to be used.

When breaking down, the current can flow from connecting copper wire 4 and resistance card 3 to lead to resistance card 3 to appear the outward appearance change, thereby when the staff examines, can be audio-visual see through maintaining window 10 whether resistance card 3 changes, thereby increase the practicality of device.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A maintainable high-current connector comprises a socket housing (1), a PTC fuse (2) and a plug housing (9), and is characterized in that:

a fuse connecting jack (7) is arranged in the socket shell (1), and a plug and socket end sealing ring (8) is arranged on the outer side of the socket shell (1);

plug housing (9) inside is provided with PTC fuse (2), and the right side of PTC fuse (2) is connected with fuse connecting pin (6), the inside upper right side of plug housing (9) is provided with resistance card (3), and resistance card (3) are connected through connecting copper wire (4) with PTC fuse (2) to the top of resistance card (3) is provided with maintenance window (10), maintain the surface of seting up at plug housing (9) in window (10), plug and pencil end sealing washer (5) are installed on the inside right side of plug housing (9).

2. A serviceable high current connector according to claim 1, further comprising: the socket shell (1) and the plug shell (9) form a clamping structure, a socket terminal (101) is arranged on the left side of the socket shell (1), and the socket terminal (101) is connected with the fuse connecting jack (7).

3. A serviceable high current connector according to claim 1, further comprising: the left side of PTC fuse (2) is connected with fuse connection jack (7), and PTC fuse (2) are cylinder structural design.

4. A serviceable high current connector according to claim 1, further comprising: fuse connecting pin (6) are the cylinder structure, and the diameter of fuse connecting pin (6) is less than the diameter of PTC fuse (2).

5. A serviceable high current connector according to claim 1, further comprising: the plug terminal (901) is arranged inside the plug shell (9), and the plug terminal (901) is connected with the fuse connecting pin (6).

6. A serviceable high current connector according to claim 1, further comprising: the maintenance window (10) is connected with the plug shell (9) in a clamping mode, and the maintenance window (10) is a transparent PP sheet.