Self-heat-dissipation type power cabinet
A power cabinet and self-heating technology, which is applied to electrical components, substation/power distribution device shells, substation/switch layout details, etc., can solve problems such as poor ventilation, poor use of electrical appliances, etc.
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[0023] Example 1
[0024] Reference Figure 1-4 , A self-heating power cabinet, comprising a cabinet body 1, a cavity 2 is provided in the side wall of the cabinet body 1, a sliding plug 3 is sealed and slidingly connected between the inner walls of the cavity 2, and the lower end of the cavity 2 and the sliding plug 3 The space is filled with evaporating liquid, and a heat conducting plate 4 is embedded at the upper end of the corresponding cavity 2 on the side wall of the cabinet 1.
[0025] Furthermore, chloroform is used as the evaporating liquid. The boiling temperature of chloroform is 61°C-62°C. The normal working temperature of electrical components in the power cabinet is -20°C-60°C. Therefore, when the temperature in the cabinet 1 exceeds When the temperature is higher than 60℃, the evaporating liquid starts to evaporate.
[0026] The upper side wall of the cabinet 1 is provided with a rectangular installation opening 11, and the installation opening 11 is connected to the...
Example Embodiment
[0034] Example 2
[0035] Reference Figure 5-6 The difference from Embodiment 1 is that: the top of the cabinet 1 is provided with an air outlet 15 communicating with the end of each device cavity 6 near the installation port 11, and the air outlet 15 is installed in the air outlet 15 to only allow air to flow from the inside of the cabinet 1 In the one-way valve in the device cavity 6, a one-way valve that only allows air to flow from the device cavity 6 to the outside of the cabinet 1 is installed in the vent 14.
[0036] In this embodiment, when the annular sliding plug 10 slides to the left, negative pressure is generated in the device cavity 6, and the hot air in the cabinet 1 flows into the device cavity 6 from the air outlet 15, and when the annular sliding plug 10 slides to the right , The hot air in the device cavity 6 is discharged from the air vent 14, as the annular sliding plug 10 continues to slide back and forth, the hot air in the cabinet 1 can be continuously dis...
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