Switch cabinet
A technology for switch cabinets and cabinets, which is applied in the direction of switchgear components and power devices inside the switch. It can solve the problems of large starting load, increased motor starting load, and large motor loss, and achieves the effect of improving oil pressure resistance.
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[0020] Example of switch cabinet Figure 1~9 Shown: The switch cabinet includes a cabinet body, and three single-phase units are arranged in the cabinet body. Each single-phase unit includes a moving contact, a static contact and a hydraulic operating mechanism that drives the moving contact. The hydraulic operating mechanism includes power Part and execution part. The power part includes a motor 37 and a pump 36. The execution part includes a hydraulic cylinder and an energy storage spring. The basic working principle is that the power part can pump oil into the hydraulic cylinder, and the hydraulic cylinder compresses the energy storage spring. When it is necessary to close, the energy storage spring releases energy, and the piston rod of the hydraulic cylinder drives the moving contact to move towards the static contact to realize the closing operation. The working mechanism of the hydraulic operating mechanism belongs to the prior art and will not be described in detail here...
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