Sealing switch cabinet capable of preventing condensation
A switchgear, anti-condensation technology, applied in the field of switchgear, can solve the problems of inconvenient use, affecting the normal operation of the switchgear, moisture or dust ingress, etc., and achieve the effect of convenient use
Inactive Publication Date: 2013-09-25
万能亿工业科技发展(苏州)有限公司
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Problems solved by technology
[0002] Sealed switchgear, after running for a period of time, due to poor sealing, moisture or dust enters; the internal air flow is not smooth, and internal water vapor cannot be discharged in time; the humidity in the cabinet is high during the rainy season, which causes the temperature inside the cabinet to be lower than the dew point temperature, forming "Condensation", the occurrence of "condensation" will affect the normal operation of the switchgear, and even cause accidents if serious
In order to prevent the harm caused by condensation, a commonly used method is to manually control the startup or shutdown of the heater according to the working environment. The manual dependence is large, it is inconvenient to use, and the reliability is low. If you forget to turn off the heater, it will bring Waste of energy; Another method is to install a condensation sensor in the switch cabinet, and use the condensation sensor to automatically start and close the heater. This method is to drive the heater after condensation occurs. (less than 75%) not sensitive
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[0011] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0012] Such as figure 1 As shown, the present invention provides a sealed switchgear capable of preventing condensation, including a switchgear body 1, the switchgear body 1 is connected with an external temperature sensor 2, and the inside of the switchgear body 1 is provided with an in-cabinet temperature sensor 3. Humidity sensor 4 and automatic heating and dehumidification device 5. A control and display device 7 is provided on the front panel of the switch cabinet body 1. The control and display device 7 can control the automatic startup and shutdown of the automatic heating and dehumidification device 5, and can display the temperature inside the cabinet. , outside temperature and difference, humidity data inside the cabinet.
[0013] The temperature sensor 2 outside the cabinet can detect changes in the ambient temperature out...
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The invention discloses a sealing switch cabinet capable of preventing condensation. The sealing switch cabinet capable of preventing condensation comprises a switch cabinet body, wherein a temperature-outside-cabinet sensor is connected outside the switch cabinet body, a temperature-inside-cabinet sensor, a humidity sensor and an automatic heating dehumidification device are arranged inside the switch cabinet body, and a control and display device is arranged on a front panel of the switch cabinet body. Due to the adoption of the structure, the temperature-outside-cabinet sensor can be used for detecting the change of the environmental temperature outside the cabinet, the temperature-inside-cabinet sensor and the humidity sensor can be used for detecting the change of the temperature and the humidity inside the cabinet, and the control and display device can be used for automatically starting or closing the automatic heating dehumidification device without human intervention according to the differences of temperatures inside and outside the cabinet or the humidity data inside the cabinet before condensation happens. The sealing switch cabinet capable of preventing condensation is convenient to use, reliable and energy-saving.
Description
technical field [0001] The invention relates to a switch cabinet, in particular to a sealed switch cabinet capable of preventing condensation. Background technique [0002] Sealed switchgear, after running for a period of time, due to poor sealing, moisture or dust enters; the internal air flow is not smooth, and internal water vapor cannot be discharged in time; the humidity in the cabinet is high during the rainy season, which causes the temperature inside the cabinet to be lower than the dew point temperature, forming "Condensation", the occurrence of "condensation" will affect the normal operation of the switchgear, and even cause accidents in severe cases. In order to prevent the harm caused by condensation, a commonly used method is to manually control the startup or shutdown of the heater according to the working environment. The manual dependence is large, it is inconvenient to use, and the reliability is low. If you forget to turn off the heater, it will bring Wast...
Claims
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IPC IPC(8): H02B1/28G05D27/02
Inventor 李春林
Owner 万能亿工业科技发展(苏州)有限公司