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Unit type sulfur hexafluoride ring main unit

A technology of sulfur hexafluoride and ring network cabinet, which is applied in the direction of electrical components, switchgear, anti-seismic equipment, etc., can solve problems such as insecurity, and achieve the effects of ensuring safety, convenient movement, and convenient connection and installation

Inactive Publication Date: 2017-05-31
重庆欣东泰实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are unsafe factors for the users of the existing unit type sulfur hexafluoride ring main unit

Method used

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  • Unit type sulfur hexafluoride ring main unit
  • Unit type sulfur hexafluoride ring main unit
  • Unit type sulfur hexafluoride ring main unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] In this embodiment, the indicator light 104 , the ventilation chamber 105 and the flow guide hole 106 will be illustrated in detail.

[0041] Such as image 3 As shown, the indicator light 104 in the present invention is an indicator light 104 indicating the use of the device, and is used to indicate the use of the device, and the indicator light 104 belongs to the prior art.

[0042] Ventilation chamber 105 is arranged at the bottom of cabinet body 101, and this ventilation chamber 105 is arranged under the cable room, is used for the ventilation of cabinet body 101, strengthens the heat convection inside and outside of cabinet body 101, and this ventilation chamber 105 is provided with ventilation hole. The ventilation holes can be set in various shapes, such as round holes or irregular flow guide holes 106 .

[0043] In the present invention, a plurality of diversion holes 106 may be provided on the side of the cabinet body 101. The diversion holes 106 are used for ...

Embodiment 2

[0045] In this embodiment, the alarm 107 and the display panel 108 will be illustrated in detail.

[0046] The alarm 107 in the present invention is electrically connected with the sulfur hexafluoride density meter 1022 . Pure sulfur hexafluoride gas is non-toxic. However, when it is mixed with impurity gas, the toxicity is enhanced. The alarm 107 belongs to the prior art, and it is electrically connected with the sulfur hexafluoride density meter 1022. When the density of sulfur hexafluoride detected by the sulfur hexafluoride density meter 1022 is not less than a certain set threshold, the alarm 107 Send out an alarm signal, which can be a light signal or a sound signal.

[0047] Such as image 3 As shown, the display panel 108 in the present invention is used to display the sulfur hexafluoride density detected by the sulfur hexafluoride density meter 1022. The display panel 108 is arranged on the cabinet 101 and connected with the sulfur hexafluoride density meter 1022 ...

Embodiment 3

[0049] In this embodiment, the material of the cabinet body 101 , the suspension ring 109 , and the shock absorbing device 110 will be illustrated in detail.

[0050] Such as Figure 4 As shown, in order to improve the anti-corrosion performance of the cabinet body 101, the cabinet body 101 adopts galvanized sheet, which belongs to the prior art, and can be divided into the following categories according to the production and processing methods: ① hot-dip galvanized steel sheet. Dip the thin steel plate into the molten zinc tank to make the thin steel plate with a layer of zinc adhered to its surface. At present, the continuous galvanizing process is mainly used for production, that is, the coiled steel plates are continuously dipped in a galvanizing tank with molten zinc to make galvanized steel plates; ②alloyed galvanized steel plates. This kind of steel panel is also made by hot dip method, but it is heated to about 500℃ immediately after coming out of the tank, so that it...

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Abstract

The invention discloses a unit type sulfur hexafluoride ring main unit, aiming at solving the safety problem in a utilization process of the ring main unit. The unit type sulfur hexafluoride ring main unit comprises a cabinet body, wherein the cabinet body is internally provided with a switching chamber; the switching chamber is internally provided with a sulfur hexafluoride switch and a sulfur hexafluoride density meter; a shell body of the sulfur hexafluoride switch is formed by pouring epoxy resin and is filled with sulfur hexafluoride gas; a cabinet door of the cabinet body is provided with an observation window and a safety interlocking device; a grounding switch is arranged at the lower part of the cabinet body; the grounding switch comprises an operation end and an interlocking shaft; a movable contact sleeves the interlocking shaft; the cabinet body is provided with a grounding end; the movable contact is fixed on the cabinet body through a spring; the grounding end is in contact with the movable contact. The unit type sulfur hexafluoride ring main unit is provided with a sulfur hexafluoride monitoring device and grounding is convenient and reliable so that the safety is greatly improved.

Description

technical field [0001] The invention relates to the field of power transformation equipment, in particular to a unit type sulfur hexafluoride ring network cabinet. Background technique [0002] The ring network cabinet is a group of transmission and distribution electrical equipment (high-voltage switchgear) installed in a metal or non-metal insulated cabinet or made into an assembled interval ring network power supply unit. Its core part uses load switches and fuses. It has a structure Simple, small size, low price, can improve power supply parameters and performance, and power supply security and other advantages. It is widely used in distribution stations and box-type substations of load centers such as urban residential quarters, high-rise buildings, large public buildings, factories and enterprises. [0003] The sulfur hexafluoride ring network cabinet is a new generation of metal-enclosed switchgear that uses sulfur hexafluoride switch as the main switch and uses SF6 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/035H02B13/055H02B1/56H02B1/54H02B13/075
CPCH02B13/035H02B1/54H02B1/565H02B13/055H02B13/075
Inventor 梁建明
Owner 重庆欣东泰实业有限公司
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