CN203180116U - Three-phase electric connector for vacuum switch cabinet heavy current test - Google Patents

Abstract

The utility model discloses a vacuum switch cabinet is three-phase electric connector for heavy current test, this connector contains: the three-phase wires are respectively connected into the wire connecting ends; and the interface end is fixedly connected with the lead connecting end and is in circuit connection with three phases of leads connected in the lead connecting end, and the three phases of leads are connected with subsequent circuit equipment through the interface end circuit. The interface end comprises a hole-shaped outer sleeve and a metal inner wall sleeved in the hole-shaped outer sleeve; the metal inner wall is in circuit connection with three phase wires, and the three phase wires are connected with subsequent circuit equipment through the metal inner wall circuit. The utility model discloses an insulating fixed connection three-phase wire of wire link to hold through the interface and make three-phase wire and follow-up circuit equipment be connected, realize that the tie point inside of short-circuit line is reliably connected in the heavy current test, the flexibility is high, small, light in weight, outward appearance are exquisite, easy operation, safe and reliable.

Description

Three-phase electrical connector for high current test of vacuum switchgear

technical field

The utility model relates to a large current test device, in particular to a three-phase electrical connector for a vacuum switch cabinet high current test.

Background technique

The high current test is an important test for relay protection staff to detect rheology and related secondary and tertiary circuits. During the test, it is necessary to short-circuit the ends of one or more warehouses. Switch cabinets with different voltage levels and insulation forms have different terminal conditions. At present, there are no special short-circuit tools. Grounding wires, self-made aluminum mesh cables, self-made copper bars and other tools are often used for short-circuiting. It is inconvenient and irregular to use. The security is not high.

Utility model content

The utility model provides a three-phase electric connector for high-current test of a vacuum switchgear, which realizes reliable internal connection of the connection point of the short wiring in the high-current test, and has high flexibility, small size, light weight, exquisite appearance, simple operation and safety. reliable.

In order to achieve the above purpose, the utility model provides a three-phase electrical connector for high current test of vacuum switchgear, which is characterized in that the connector includes:

The wire connection end, the three wires of the three phases are respectively connected to the wire connection end;

The interface end is fixedly connected to the wire connection end, and is connected to the three-phase three-phase wire circuit connected to the wire connection end, and the three-phase three wires are connected to subsequent circuit equipment through the interface end circuit.

The above-mentioned wire connection ends are provided with sockets whose inner diameters are respectively adapted to the outer diameters of the three three-phase wires, and the three three-phase wires are detachably plugged into corresponding sockets on the wire connection ends.

The above-mentioned three wires of the three phases are respectively fixedly connected in the wire connecting ends.

The above-mentioned wire connection end is made of insulating material, forming an insulating layer between the three wires of the three phases and the outside world.

The above-mentioned wire connecting end is made of rubber.

The above-mentioned interface end adopts a plug-in interface structure.

The above-mentioned interface end includes a hole-shaped outer casing, and a metal inner wall sheathed in the hole-shaped outer casing; the metal inner wall is connected to the three-phase three-wire circuit, and the three-phase wire is connected to the subsequent circuit equipment through the metal inner wall circuit.

The above-mentioned hole-shaped jacket is made of insulating material to form an insulating layer between the metal inner wall and the outside world.

Compared with the technology adopted in the high-current experiment of the prior art, the three-phase electrical connector for the high-current test of the vacuum switch cabinet of the present utility model has the advantage that the three-phase conductor is insulated and fixedly connected by the connecting end of the conductor, and is passed through The interface end connects the three-phase wires with the follow-up circuit equipment, and realizes the internal reliable connection of the connection point of the short wire in the high-current test. It has high flexibility, small size, light weight, exquisite appearance, simple operation, safety and reliability;

In the utility model, the connecting end of the wire is made of insulating material, and an insulating layer is arranged outside the three-phase wire, and the interface end adopts a plug-in interface structure and is covered with an insulating layer, which is safe and reliable, and improves the safety of the high-current test.

Description of drawings

Fig. 1 is a structural schematic diagram of a three-phase electrical connector used for high-current testing of a vacuum switch cabinet of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present utility model.

As shown in Fig. 1, the utility model discloses an embodiment of a three-phase electrical connector for high-current testing of a vacuum switch cabinet. The connector includes a wire connection end 1 and an interface end 2 which are fixedly connected together. The overall length of the three-phase electrical connector for the high-current test of the vacuum switchgear is 50 mm.

Preferably, the wire connection end 1 is provided with sockets whose inner diameters are respectively adapted to the outer diameters of the three three-phase wires 3, and the three three-phase wires 3 are detachably plugged into corresponding sockets on the wire connection end 1 respectively. socket. The wire connecting end 1 is made of rubber insulating material, forming an insulating layer between the three wires 3 of three phases and the outside world.

Preferably, the wire connection end 1 can also be directly made into a rubber insulation layer covering the three three-phase wires 3, and is fixedly connected to the interface end 2, so that the three three-phase wires 3 are fixed in the wire connection end 1 .

The structure of the wire connection end 1 can adopt the following vertical values: the width is 30 mm, and the radial length is 12 mm.

The interface terminal 2 adopts a plug-in interface structure. The interface end 2 includes a hole-shaped casing 22 and a metal inner wall 21 sheathed in the hole-shaped casing 22 . The diameter of the metal inner wall 21 is 6 millimeters, and the outer diameter of the hole-shaped outer casing 22 is 10 millimeters.

Wherein, the inner metal wall 21 is electrically connected to the three three-phase wires 3 plugged into the wire connection end 1 , so that the three-phase wires 3 can be electrically connected to subsequent circuit devices through the inner metal wall 21 . The hole-shaped jacket 22 is made of insulating material, forming an insulating layer between the metal inner wall 21 and the outside.

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present invention. Various modifications and substitutions of the present utility model will be obvious to those skilled in the art after reading the above content. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims (8)

1. A three-phase electrical connector for a vacuum switch cabinet high current test, characterized in that the connector includes: The wire connection end (1), the three wires of the three phases are respectively connected in the wire connection end (1); The interface end (2), which is fixedly connected to the wire connection end (1), and is connected to the three-phase three-phase wire circuit connected to the wire connection end (1), and the three-phase three wires pass through the interface end (2) The circuit connects subsequent circuit devices. 2. The three-phase electrical connector for high-current test of vacuum switchgear as claimed in claim 1, characterized in that, said wire connection end (1) has inner diameters respectively compatible with the outer diameters of the three wires of the three phases The three wires of the three phases are detachably plugged into the corresponding sockets on the wire connection end (1). 3. The three-phase electrical connector for high-current testing of vacuum switchgear according to claim 1, wherein the three wires of the three phases are respectively fixedly connected to the wire connection ends (1). 4. The three-phase electrical connector for high-current test of vacuum switchgear as claimed in claim 1, 2 or 3, characterized in that, the wire connection end (1) is made of insulating material, forming three three-phase The insulating layer between a wire and the outside world. 5. The three-phase electrical connector for high-current test of vacuum switchgear according to claim 4, characterized in that, the wire connection end (1) is made of rubber. 6. The three-phase electrical connector for high-current test of vacuum switchgear according to claim 1, characterized in that, the interface (2) adopts a plug-in interface structure. 7. The three-phase electrical connector for high current test of vacuum switchgear according to claim 1 or 6, characterized in that, the interface end (2) includes a hole-shaped jacket (22), and is sleeved in the hole The metal inner wall (21) in the shape jacket (22); the metal inner wall (21) is connected to the three-phase three-phase wire circuit, and the three-phase wire is connected to the subsequent circuit equipment through the metal inner wall (21) circuit. 8. The three-phase electrical connector for high current test of vacuum switchgear as claimed in claim 7, characterized in that the hole-shaped jacket is made of insulating material to form an insulating layer between the inner metal wall and the outside.

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