CN216698822U

CN216698822U - Large-current cable switching device

Info

Publication number: CN216698822U
Application number: CN202123401718.6U
Authority: CN
Inventors: 尹梅莉; 杨硕; 周艳姣; 李正浩
Original assignee: AVIC First Aircraft Institute
Current assignee: AVIC First Aircraft Institute
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The application belongs to the field of cable adapters, and particularly relates to a high-current cable switching device. The method comprises the following steps: the conductive copper rod comprises an insulator (1) and a conductive copper rod (2), wherein the insulator (1) is provided with a first end and a second end which are arranged oppositely, a plurality of paired bosses are arranged on the end faces of the first end and the second end at intervals, the insulator (1) is divided into a plurality of mounting parts by the paired bosses, and each mounting part is provided with a mounting hole; the conductive copper bar (2) is provided with a first wiring end and a second wiring end, the first wiring end and the second wiring end are both provided with four-corner separation bodies, and the middle part of the conductive copper bar (2) is provided with a hexagon; the conductive copper rods (2) are inserted into the insulator (1) from the mounting holes, and a plurality of conductive copper rods (2) are embedded and pressed in the mounting portion of the insulator (1) by adopting a one-time compression molding process. The installation is simple, the maintenance of being convenient for.

Description

Large-current cable switching device

Technical Field

The application belongs to the field of cable adapters, and particularly relates to a high-current cable switching device.

Background

At present, no electric connector in China can realize the switching connection of a high-current cable in a high-temperature area, no standard part of a high-current wiring board can be used, and the switching of the high-current cable is realized by adopting a self-made single switching column generally. And the generator on the engine mostly adopts a three-phase four-wire system high-current cable. For the independent binding posts, the wiring device has the advantages of small occupied space, flexible installation position and capability of fully utilizing the limited space to arrange a plurality of binding posts; but to the big power cord of three-phase four-wire system of aircraft, independent terminal installation quantity is many, dispersion, loaded down with trivial details, is unfavorable for the installation of laying of pencil on the machine, and later maintenance work load is big. Although the large-current electric connector is convenient to disassemble and assemble, the occupied space is large, the high-current electric connector is not high-temperature resistant, and the use has limitation.

Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a high-current cable switching device to solve at least one problem existing in the prior art.

The technical scheme of the application is as follows:

a high current cable transition device comprising:

the insulating body is provided with a first end and a second end which are arranged oppositely, a plurality of paired bosses are arranged on the end faces of the first end and the second end at intervals, the insulating body is divided into a plurality of mounting parts by the paired bosses, and each mounting part is provided with a mounting hole;

the conductive copper bar is provided with a first wiring end and a second wiring end, the first wiring end and the second wiring end are both provided with four-corner separation bodies, and the middle part of the conductive copper bar is provided with a hexagon;

and the conductive copper rods are inserted into the insulator from the mounting holes, and a plurality of conductive copper rods are embedded and pressed in the mounting part of the insulator by adopting a one-time compression molding process.

In at least one embodiment of the present application, the insulator is a fiberglass reinforced phenolic.

In at least one embodiment of the present application, the insulator has a rectangular parallelepiped shape.

In at least one embodiment of the present application, a mounting tab is disposed on the insulator.

In at least one embodiment of the present application, the boss is trapezoidal in shape.

In at least one embodiment of the present application, the conductive copper bar is a brass material.

In at least one embodiment of the present application, the first and second terminals of the conductive copper bar are each provided with a threaded connection.

In at least one embodiment of this application, the first terminal and the second terminal of conduction bar copper all are provided with handle form connecting portion, be provided with the recess on the handle form connecting portion, the mounting hole has been seted up in the middle part of recess.

In at least one embodiment of the present application, one end of the first terminal and the second terminal of the conductive copper rod is provided with a threaded connection portion, the other end of the conductive copper rod is provided with a handle-shaped connection portion, the handle-shaped connection portion is provided with a groove, and a mounting hole is formed in the middle of the groove.

In at least one embodiment of the present application, 4 of the conductive copper bars are mounted on each of the insulators.

Utility model has the following beneficial technical effects:

the application's heavy current cable switching device, mechanical strength is high, and the terminal is firm, stable, do not have the rotation phenomenon, can realize many heavy current cables in the switching of high temperature macroseism district safe and reliable, do not receive pollution erosion such as dust, humidity, ensure not to produce phenomenon such as electric cluster between each terminal.

Drawings

FIG. 1 is a schematic view of a high current cable transition device according to an embodiment of the present application;

FIG. 2 is a schematic view of an insulator according to an embodiment of the present application;

fig. 3 is a schematic view of a conductive copper rod according to one embodiment of the present application.

Wherein:

1-an insulator; 2-conductive copper rod.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. 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 application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.

The present application is described in further detail below with reference to fig. 1 to 3.

The application provides a heavy current cable switching device, includes: an insulator 1 and a conductive copper rod 2.

Specifically, the insulator 1 is provided with a first end and a second end which are arranged oppositely, a plurality of paired bosses are arranged on the end faces of the first end and the second end at intervals, the insulator 1 is divided into a plurality of mounting parts by the paired bosses, and each mounting part is provided with a mounting hole; the conductive copper rod 2 is provided with a first wiring end and a second wiring end, the first wiring end and the second wiring end are both provided with four-corner separation bodies, and the middle part of the conductive copper rod 2 is provided with a hexagon; the conductive copper rod 2 is inserted into the insulator 1 through the mounting hole, and a plurality of conductive copper rods 2 are fitted and pressed into the mounting portion of the insulator 1 by a one-shot press molding process, so that they are integrally molded.

In the preferred embodiment of the present application, the insulator 1 is made of glass fiber reinforced phenolic plastic, which has high mechanical strength and good thermal stability and dielectric properties, and other types of insulating materials can be selected according to the installation position of the device. In this embodiment, as shown in fig. 2, the insulator 1 is a cuboid, the size of which is designed according to the number and diameter of the installed conductive copper rods 2, the insulator 1 has another two third ends and fourth ends which are oppositely arranged, the third ends and the fourth ends are respectively provided with a structural form of an installation lug piece, and the plurality of lug holes can be used for the fixed installation of the high-current cable adapter. Further, in this embodiment, each boss is trapezoidal, and the bosses arranged in pairs are used for isolating the connecting terminals, so as to reduce the mutual influence between the conductive copper rods 2.

In the preferred embodiment of the present application, the conductive copper rod 2 is made of brass material, and the diameter of the conductive copper rod is designed according to the size of the wire gauge of the patch cable. The four-corner separation body arranged on the conduction copper bar 2 is used for being separated from an engine structure, and is convenient to disassemble, assemble and maintain integrally. The hexagonal body is arranged on the conductive copper rod 2 to increase the stability of the copper rod in the insulator 1 and prevent the copper rod from rotating.

The application discloses heavy current cable switching device, first wiring end and the second wiring end of conduction bar copper 2 for switching heavy current cable use are the wiring end with cable terminal butt joint on the machine respectively, can be different structural style with first wiring end and second wiring end design according to the cable direction of going out on the machine.

In one embodiment of the present application, the first terminal and the second terminal of the conductive copper rod 2 are both provided as threaded connection portions of threaded terminals, and 90-degree connection with other structures on a machine can be achieved through the threaded connection portions.

In the second embodiment of this application, the first wiring end and the second wiring end of conduction bar copper 2 all are provided with handle form connecting portion, are provided with the recess on the handle form connecting portion, and the mounting hole has been seted up at the middle part of recess, can pass through bolt assembly with other structures on the machine through handle form connecting portion and realize the assembly.

Further, in the third embodiment of this application, as shown in fig. 3, one end in the first wiring end and the second wiring end of conduction bar copper 2 is processed into threaded connection portion, and the other end is provided with handle-shaped connection portion, is provided with the recess on the handle-shaped connection portion, and the mounting hole has been seted up at the middle part of recess, can realize 90 degrees with other structures on the machine through threaded connection portion and be connected, can pass through bolt assembly with other structures on the machine through handle-shaped connection portion and realize the assembly.

The application discloses heavy current cable switching device can install the conduction bar copper 2 of appropriate quantity on insulator 1 according to heavy current cable switching demand. In one embodiment of the present application, as shown in fig. 1, 4 conductive copper rods 2 are mounted on each insulator 1. It can be understood that, in this embodiment, the two terminals of the plurality of conductive copper rods 2 mounted on each insulator 1 may be set to the same or different structural forms according to the wiring requirements of the on-board cable, and the wiring installation is facilitated by adjusting the outgoing direction of the high-current terminal in the switching device. For example, one end of the first terminal and the second terminal of the 4 conductive copper rods 2 is processed into a structure form of a threaded connection part, and the other end is provided into a structure form of a handle-shaped connection part. For example, the first terminal and the second terminal of one conductive copper rod 2 are both provided with a threaded connection part, the first terminal and the second terminal of one conductive copper rod 2 are both provided with a handle-shaped connection part, one end of the first terminal and the second terminal of the other two conductive copper rods 2 is processed into the threaded connection part, and the other end of the first terminal and the second terminal of the other two conductive copper rods 2 is provided with the handle-shaped connection part.

According to the high-current cable switching device, the conductive copper rod 2 and the insulator 1 are integrally designed, so that the high-current cable switching device is simple to mount and convenient to maintain, and the connection safety, reliability and pollution resistance of a high-current cable are improved; the switching device is mainly used for switching cables with large current of No. 8 wire gauges and above, is applied to high-temperature strong earthquake areas, is suitable for switching cables with large current at the position of a firewall, and has a high application value; the switching device is simple to install, the terminal direction is flexibly arranged, the wiring requirement on the airplane can be met, the selected material is mature, and the reliability and maintainability of airplane wiring are improved.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A high current cable transition device, comprising:

the insulating body (1) is provided with a first end and a second end which are arranged oppositely, a plurality of paired bosses are arranged on the end faces of the first end and the second end at intervals, the insulating body (1) is divided into a plurality of mounting parts by the paired bosses, and each mounting part is provided with a mounting hole;

the conductive copper bar (2) is provided with a first wiring end and a second wiring end, the first wiring end and the second wiring end are provided with four-corner separation bodies, and the middle part of the conductive copper bar (2) is provided with a hexagon;

the conductive copper rods (2) are inserted into the insulator (1) from the mounting holes, and a plurality of conductive copper rods (2) are embedded and pressed in the mounting portion of the insulator (1) by adopting a one-time compression molding process.

2. A high current cable transition arrangement according to claim 1, wherein the insulation (1) is glass fiber reinforced phenolic.

3. A high current cable transition arrangement according to claim 2, wherein the insulator (1) is of a cuboid shape.

4. A high current cable transition arrangement according to claim 3, wherein mounting tabs are provided on the insulator (1).

5. A high current cable transition device according to claim 4, wherein the bosses are trapezoidal.

6. A high current cable transition arrangement according to claim 1, wherein the conducting copper rod (2) is a brass material.

7. A high current cable transition device according to claim 1, wherein the first and second terminals of the conducting copper rod (2) are provided with a threaded connection.

8. A high-current cable switching device according to claim 1, wherein the first terminal and the second terminal of the conducting copper rod (2) are provided with handle-shaped connecting portions, each handle-shaped connecting portion is provided with a groove, and a mounting hole is formed in the middle of each groove.

9. A high-current cable switching device according to claim 1, wherein one end of the first terminal and the second terminal of the conducting copper rod (2) is provided with a threaded connection part, the other end of the conducting copper rod is provided with a handle-shaped connection part, the handle-shaped connection part is provided with a groove, and a mounting hole is formed in the middle of the groove.

10. A high current cable transition arrangement according to claim 1, wherein 4 conducting copper bars (2) are mounted on each insulator (1).