Three-way connecting device for combined electric appliance

Abstract

The utility model relates to the technical field of high-voltage power equipment, in particular to a three-way connecting device for a combined electric appliance, which comprises supporting insulators and a three-way shell, the supporting insulators are arranged at the top and the bottom in the three-way shell, a conductor is arranged in the three-way shell, at least one conductor joint is connected onto the conductor, and the conductor joint is connected with the three-way shell. One end of the conductor joint is inserted into the contact seat, and the contact seat can be placed at each position to be conductively connected with an external electric appliance. The three-way connecting device for the combined electric appliance has the beneficial effects that the three-way connecting device for the combined electric appliance is suitable for any bus and unit connection of a common-box combined electric appliance, is relatively high in universality, is close to the combination of electric connection and conductors, realizes universal connection, reduces the types of parts, and has the advantages of safety, reliability, novel structure, good economic benefit and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -voltage power equipment technical field, concretely relates to a tee connection device for combined electrical apparatus. BACKGROUND

[0002] Combined electrical apparatus (GIS) is widely used in power grid system as a reliable power equipment, and GIS (Gas -insulated Metal-enclosed Switchgear) is a complete switchgear composed of circuit breaker, disconnecting switch, grounding switch, current transformer, voltage transformer, surge arrester, bus, incoming and outgoing line bushing or cable terminal and other elements combined and closed in the grounded metal shell, filled with SF6 gas as insulation medium under certain pressure.

[0003] The tee connection unit generally bears the bus connection or the inter-unit connection in the combined electrical apparatus switchgear, and different tee units are generally adopted according to different application conditions under the connection requirements of different angles such as "angle type", "T type" and "cross type", the tee unit types are more, different tee joints need to be selected according to different tee units during connection, the limitation is large, and the separate tee joint can only be applied to single condition, which is inconvenient to use.

[0004] In view of the problem that the tee joint can only be applied to single condition during use, a tee connection device for combined electrical apparatus is urgently needed. SUMMARY

[0005] The utility model discloses a tee connection device for combined electrical apparatus, which can be applied to various different tee units, does not need to select separate tee joint according to the type of tee unit, has good overall use effect and high practicability.

[0006] To achieve the above object, the utility model adopts the technical scheme that a tee connection device for combined electrical apparatus, including support insulator and tee shell, support insulator sets up at the top and bottom in the inside of tee shell, the inside of tee shell is provided with conductor, and at least three conductor joints are conductively connected on the conductor, one end of each conductor joint is inserted with contact seat, the contact seat can be placed in each position and conductively connected with external electrical apparatus, during use, the conductor joint can realize omnibus connection under different angles and different phase sequences, has high versatility, reduces the part type, has the advantages such as safe and reliable, novel structure, good economic benefit, and the overall practicability is strong.

[0007] Further, the conductor is fixed on the support insulator by bolts.

[0008] Further, the top of the conductor is provided with three working surfaces, and each working surface is connected with a conductor joint through an electric joint, which can realize the electrical connection of the conductor and the conductor joint at each position, thereby improving the applicability.

[0009] Further, the working surface is a silver-plated working surface, which can further improve the conductivity of the conductor.

[0010] Further, the device further comprises a shield, which can be sleeved on the working surface of the conductor, so that the shield can be installed on the unused working surface to shield the high-voltage electric field.

[0011] Further, the electric joint comprises three pairs of single-piece cast conductors, and each pair of single-piece cast conductors is connected through a flexible conductive material to form three connecting conductors.

[0012] The device has the advantages of safety, reliability, novel structure, good economic benefits, and the like.

[0013] The device is suitable for connecting any bus and unit of a combined electric appliance, has high universality, and is close to the combination of the electric joint and the conductor to realize universal connection, reduce the types of parts, and has the advantages of safety, reliability, novel structure, good economic benefits, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the device, the following will briefly introduce the drawings used in the description, and obviously, the drawings in the following description are only some embodiments of the device, and those skilled in the art can obtain other drawings according to the drawings without creative labor.

[0015] Figure 1 The device is a structural schematic view.

[0016] In the figure, 1 is a support insulator, 2 is a three-way shell, 3 is a conductor, 4 is a shield, 5 is an electric joint, 6 is a conductor joint, and 7 is a contact seat. DETAILED DESCRIPTION

[0017] In order to make the purpose, features, and advantages of the device more obvious and easy to understand, the following will combine the drawings in the specific embodiments to clearly and completely describe the technical scheme in the device, and obviously, the following described embodiments are only some embodiments of the device, but not all the embodiments. Based on the embodiments in the patent, all other embodiments obtained by those skilled in the art without creative labor belong to the protection range of the patent.

[0018] As Figure 1 shown, in this embodiment, the utility model provides a kind of three-way connection device for combined electric appliance, including support insulator 1 and three-way shell 2, support insulator 1 is arranged at the top and bottom inside three-way shell 2, the inside of three-way shell 2 is provided with conductor 3, conductor 3 is fixed on support insulator 1 by bolt, three working surfaces are provided on conductor 3, and the working surface is silver-plated working surface, the conductivity of conductor is further improved by silver-plated working surface, and the three working surfaces of conductor 3 are all connected with conductor connector 6, and single working surface is connected with single conductor connector 6 by electric joint 5, and electric joint 5 includes three pairs of single piece cast conductor, each pair of single piece cast conductor is connected by flexible conductive material, forming three connecting conductors, when using, the input end of one connecting conductor can be connected with one working surface on conductor 3, then the output end of connecting conductor is connected with the conductor connector 6 of corresponding position, and different connections of "one above two below", "two above one below", "one left two right" and "two left one right" can be realized (also can be changed to "three above", "three below", "two left one above" and various connection positions according to actual use demand on site), and the electric connection of conductor 3 and conductor connector 6 at each position can be realized by electric joint 5, improve applicability, one end of conductor connector 6 is inserted on contact seat 7, and contact seat 7 can be placed at each position and connected with external electric appliance, further including shielding 4, shielding 4 can be sleeved on the working surface of conductor 3, then it can install shielding 4 on the working surface not used, shielding high-voltage electric field, when using, universal connection under different angles and different phase sequences can be realized by conductor connector 6, with high versatility, reduce the type of parts, with safe and reliable, novel structure, good economic benefit and the like, overall practicality is strong.

[0019] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Accordingly, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tee connector for combined electrical apparatuses, comprising a support insulator (1) and a tee housing (2), characterized in that, Support insulator (1) is arranged at the top and bottom inside the three-way shell (2), the inside of the three-way shell (2) is provided with a conductor (3), and at least three conductor terminals (6) are conductively connected to the conductor (3), one end of each conductor terminal (6) is inserted with a contact seat (7), and the contact seat (7) can be placed in each position and conductively connected with external electrical appliances.

2. The combination tee connector for electrical devices of claim 1, wherein, The conductor (3) is fixed on the support insulator (1) by bolts.

3. The combination tee connector for electrical devices of claim 1, wherein, The top of the conductor (3) is provided with three working surfaces, and each working surface is connected with a single conductor terminal (6) through an electric joint (5).

4. The combination tee connector for electrical devices of claim 3, wherein, The working surface is a silver-plated working surface.

5. The combination tee connector for electrical devices of claim 3, wherein, It also includes a shield (4) that can be fitted on the working surface of the conductor (3).

6. The combination tee connector for electrical devices of claim 3, wherein, The electric joint (5) is composed of three pairs of single-piece cast conductors, each pair of single-piece cast conductors is connected by a flexible conductive material, forming three connecting conductors, and in use, the input end of one connecting conductor can be connected with one working surface on the conductor, and then the output end of the connecting conductor is connected with the conductor terminal at the corresponding position.

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