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Cabinet high temperature corrosion of cold frost optimization solution
by：TNE
2020-11-21
Cabinet high temperature corrosion of cold frost optimization solutions are what, what reason can cause the occurrence of these situations.
Control equipment cabinet internal condensation, creepage flashover caused by accident, generally occur in the following situations:
area, high humidity climate temperature change is big, control cabinet at the bottom of the damp, some in cable trench or even have water; 1, some control cabinet in the basement, humidity is higher, cabinet put oneself in another's position inside temperature especially close to the ground temperature is lower than the environment temperature; 2, some equipment in a suspended state, small electrical cabinet temperature is lower than the ambient temperature, is easy to form condensation on the surface, in this case, once the sending of commissioning, accidents will happen.
you can see from some of the relevant data:
under the certain conditions of temperature, the higher the relative humidity in the air, condensation temperature, the more close to the ambient air temperature, that is to say, the environment temperature is more close to the dew point temperature, condensation, the more likely to happen.
no matter how the air temperature, the formation of condensation dew point temperature is always below ambient temperature.
in order to prevent the occurrence of condensation, must make don't allow any condensation occurred in parts of the surface temperature is always higher than that of its surrounding environment. (2) for control equipment, to prevent the control cabinet internal condensation, just keep the temperature inside the control cabinet put oneself in another's position is always higher than that of the external environment temperature. Describe the principle of a common phenomenon in our daily life is: summer from a glass of ice water, out of the fridge in the glass surface condensation and that right soon. And from above ambient temperature incubator to come up with a cup of hot water in the glass surface is impossible of condensation.
control cabinets moistureproof dehumidifying technology scheme according to the analysis above, as long as we keep the temperature inside the switch cabinet is always higher than that of tank external environment temperature, and reduce of the relative humidity in the interior of the cabinet put oneself in another's position, as far as possible can prevent produce gel contained in the cabinet.
to ensure temperature remain higher than ark contained in the external environment temperature, and to achieve the effect of energy saving, we cancelled the condensation of the new scheme at present commonly used roller sensor, using the characteristics of the automatic constant temperature PTC material, the development of control cabinets moistureproof dehumidification heater, can be realized under the condition of low temperature, high humidity increase power automatically, and under the condition of high temperature, low humidity, and can reduce power automatically.
;
this advantage is more energy efficient, more reliable, the part of the internal control cabinet to prevent condensation temperature is always at least a minimum of 2 ℃ higher than the ark external environment temperature, do not have the conditions of the condensation occurred.
area, high humidity climate temperature change is big, control cabinet at the bottom of the damp, some in cable trench or even have water; 1, some control cabinet in the basement, humidity is higher, cabinet put oneself in another's position inside temperature especially close to the ground temperature is lower than the environment temperature; 2, some equipment in a suspended state, small electrical cabinet temperature is lower than the ambient temperature, is easy to form condensation on the surface, in this case, once the sending of commissioning, accidents will happen.
you can see from some of the relevant data:
under the certain conditions of temperature, the higher the relative humidity in the air, condensation temperature, the more close to the ambient air temperature, that is to say, the environment temperature is more close to the dew point temperature, condensation, the more likely to happen.
no matter how the air temperature, the formation of condensation dew point temperature is always below ambient temperature.
in order to prevent the occurrence of condensation, must make don't allow any condensation occurred in parts of the surface temperature is always higher than that of its surrounding environment. (2) for control equipment, to prevent the control cabinet internal condensation, just keep the temperature inside the control cabinet put oneself in another's position is always higher than that of the external environment temperature. Describe the principle of a common phenomenon in our daily life is: summer from a glass of ice water, out of the fridge in the glass surface condensation and that right soon. And from above ambient temperature incubator to come up with a cup of hot water in the glass surface is impossible of condensation.
control cabinets moistureproof dehumidifying technology scheme according to the analysis above, as long as we keep the temperature inside the switch cabinet is always higher than that of tank external environment temperature, and reduce of the relative humidity in the interior of the cabinet put oneself in another's position, as far as possible can prevent produce gel contained in the cabinet.
to ensure temperature remain higher than ark contained in the external environment temperature, and to achieve the effect of energy saving, we cancelled the condensation of the new scheme at present commonly used roller sensor, using the characteristics of the automatic constant temperature PTC material, the development of control cabinets moistureproof dehumidification heater, can be realized under the condition of low temperature, high humidity increase power automatically, and under the condition of high temperature, low humidity, and can reduce power automatically.
;
this advantage is more energy efficient, more reliable, the part of the internal control cabinet to prevent condensation temperature is always at least a minimum of 2 ℃ higher than the ark external environment temperature, do not have the conditions of the condensation occurred.
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