一种密封式防尘防水高压隔离开关设备

Abstract

本实用新型公开了一种密封式防尘防水高压隔离开关设备，属于高压隔离开关技术领域，包括机架，所述机架的外侧设置有静触头与动触头，所述静触头与动触头的数量为三个；还包括防护机构，所述防护机构的数量为三个，所述防护机构设置于机架的外侧且用于对静触头与动触头合闸、断闸时的对应防护；其中，所述防护机构包括安装至静触头外侧的三角盒与安装至动触头端头的方盒。通过上述方式，在断闸时，可对静触头与动触头分别进行密封式防护，保证防尘防水效果，在合闸时，使合闸区域与外界空气交互，及时进行热量排放，减少触头温度升高、接触电阻增大的现象发生，减少设备发生故障现象，延长设备使用寿命。

Claims

1. A sealed, dustproof, and waterproof high-voltage disconnector switchgear, comprising, characterized in that: A frame (100) is provided with a stationary contact (200) and a moving contact (300) on its outer side, and the number of the stationary contact (200) and the moving contact (300) is three. It also includes a protective mechanism (400), of which there are three protective mechanisms (400). The protective mechanisms (400) are located on the outside of the frame (100) and are used to provide corresponding protection for the stationary contact (200) and the moving contact (300) when they are closed and opened. The protective mechanism (400) includes a triangular box (410) installed on the outside of the stationary contact (200) and a square box (420) installed on the end of the moving contact (300). A cover plate (411) is hinged to the outside of the triangular box (410), and a sliding plate (421) is slidably connected to the outside of the square box (420).

2. The sealed dustproof and waterproof high-voltage disconnector switchgear according to claim 1, characterized in that, A traction rope (412) is provided on the outer side of the cover plate (411), and the middle part of the traction rope (412) is located on the movement path of the moving contact (300).

3. The sealed dust and water proof high voltage disconnector device according to claim 2, characterized in that, The triangular box (410) has a support rod (413) on its outer side, and the slide plate (421) has a through hole (422) for connecting with the support rod (413).

4. The sealed dust and water proof high voltage disconnector apparatus according to claim 3, characterized in that, The triangular box (410) is provided with three guide frames on the outside, and two guide rings are provided on the guide frames. The end of the traction rope (412) passes through the corresponding guide rings in sequence and is installed on the outside of the cover plate (411). The upright (413) is installed on the outside of one of the guide frames.

5. The sealed dust and water proof high voltage disconnector apparatus according to claim 1, characterized in that, A first spring (414) is provided between the inner wall of the triangular box (410) and the cover plate (411), and two second springs (423) are provided between the outer side of the sliding plate (421) and the square box (420).

6. The sealed dust and water proof high voltage disconnector apparatus according to claim 1, characterized in that, A sealing frame is provided between the triangular box (410) and the cover plate (411), and a sealing ring is provided at the bottom of the square box (420) to contact the sliding plate (421).

7. The sealed dust and water proof high voltage disconnector apparatus according to claim 1, characterized in that, The triangular box (410), square box (420), cover plate (411) and slide plate (421) are made of silicon nitride ceramic.

8. The sealed dust and water proof high voltage disconnector apparatus according to claim 1, characterized in that, Both the stationary contact (200) and the moving contact (300) are provided with a supporting insulator at one end, and the supporting insulator is installed on the frame (100).

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