A kind of energy-saving cabinet air-conditioning
The utility model relates to industrial air-conditioning field, relates to specifically a kind of energy-saving cabinet air-conditioning.
Along with wide variety of equipment, particularly electrical equipment and electronic equipment, more and more higher to the requirement of the clean level of surrounding air and temperature stability, and cabinet air conditioner has obtained using more and more widely.Existing cabinet air conditioner is self-organizing system all, and temperature sensor is all arranged on the inside of cabinet air conditioner.Evaporation fan continuous operation, blows to the hot blast in rack around temperature sensor, makes temperature sensor the temperature of interior of equipment cabinet can constantly be detected.
In order to reduce the energy consumption of cabinet air conditioner, on the basis of the cabinet air conditioner (accompanying drawing 2) of prior art, Rittal Electro-Mechanical Technology (Shanghai) Co., Ltd. has released Blue E series energy-saving air-conditioning, it realizes one of energy-conservation method is exactly to use buncher, when compressor is idle, can reduce speed and the power consumption of evaporation fan, just passable as long as assurance temperature sensor can detect the temperature of interior of equipment cabinet.But the energy-saving effect of this Blue E air-conditioning is also not thorough, although evaporation fan can not run up for a long time, still need continuous operation.Meanwhile, the use of adjustable speed fan also makes Blue E series cabinet air conditioner cost higher higher with failure rate.
Summary of the invention
The utility model provides a kind of energy-saving cabinet air-conditioning, and it comprises controller, evaporation fan, temperature sensor, condensation fan, compressor, device for drying and filtering, throttling arrangement, condenser and evaporator;
Wherein, temperature sensor is outside at cabinet air conditioner, is arranged in rack.
Wherein, only running in compressor operating of evaporation fan.
Temperature sensor can be arranged on the arbitrary place in rack, and optimum mode is mounted in the top of rack, its can direct-detection to the real time temperature in rack, evaporation fan only starts with compressor in needs refrigeration simultaneously.
Principle of the present utility model is, the space in rack is little, and the main heat-producing device in rack also has radiator fan to up-draught, so the temperature difference in rack is also little, comparatively speaking, the hottest place is on the top of rack.So, temperature sensor is installed to rack top or other place, cabinet air conditioner just can pass through temperature sensor direct-detection to the temperature of interior of equipment cabinet, thereby can control evaporation fan, only in compressor operating, just turns round.
Compared with prior art, the evaporation fan of cabinet air conditioner of the present utility model is motionless when compressor is idle, the cabinet air conditioner power saving that can always will run up than evaporation fan, longer service life.
Accompanying drawing explanation
The fundamental diagram of Fig. 1 energy-saving cabinet air-conditioning
The fundamental diagram of the cabinet air conditioner of Fig. 2 prior art
Wherein, 1, rack; 2, cabinet air conditioner; 3, controller; 4, evaporation fan; 5, temperature sensor; 6, condensation fan; 7, hot blast; 8, room temperature wind; 9, compressor; 10, high warm air; 11, device for drying and filtering; 12, throttling arrangement; 13, condenser; 14, evaporator; 15, cold wind;
101, rack; 102, cabinet air conditioner; 103, controller; 104, evaporation fan; 105, temperature sensor; 106, condensation fan; 107, hot blast; 108, room temperature wind; 109, compressor; 110, high warm air; 111, device for drying and filtering; 112, throttling arrangement; 113, condenser; 114, evaporator; 115, cold wind.
Below in conjunction with accompanying drawing, energy-saving cabinet air-conditioning of the present utility model is described, but the utility model is not limited to this.
Fig. 1 is the fundamental diagram of energy-saving cabinet air-conditioning of the present utility model, wherein rack 1 is the target of energy-saving cabinet air-conditioning 2, has controller 3, evaporation fan 4, temperature sensor 5, condensation fan 6, compressor 9, device for drying and filtering 11, throttling arrangement 12, condenser 13 and evaporator 14 in energy-saving cabinet air-conditioning 2;
Wherein temperature sensor 5 is placed on the top of rack 1, can directly detect in real time the temperature at rack 1 top.When the temperature at rack 1 top is higher than design temperature time, controller 3 is with regard to priority or start compressor 9, condensation fan 6 and evaporation fan 4 simultaneously, hot blast 7 is inhaled into evaporator 14 and becomes cold wind 15 and blow back rack 1 inside, and room temperature wind 8 is inhaled into condenser 13 and becomes high warm air 11 and discharge cabinet air conditioners 2.After the temperature at rack 1 top is lower than design temperature, just successively or stop compressor 9, condensation fan 6 and evaporation fan 4, cabinet air conditioner 2 just can be in only consuming an a small amount of holding state of controlling electric current simultaneously for controller 3.
Fig. 2 is the fundamental diagram that uses the cabinet air conditioner of prior art, its temperature sensor 105 is placed on the inside of cabinet air conditioner 102, thereby can not directly detect in real time the temperature of rack 101 inside, need evaporation fan 104 continuous operations, hot blast 107 in rack 101 is blown on temperature sensor 105, make the temperature that rack 101 inside detected that temperature sensor 105 can be real-time.When the temperature of rack 101 inside is higher than design temperature time, controller 103 is with regard to priority or start compressor 109 and condensation fan 106 simultaneously, hot blast 107 is inhaled into evaporator 114 and becomes cold wind 115 and blow back rack 101 inside, and room temperature wind 108 is inhaled into condenser 113 and becomes high warm air 110 and discharge cabinet air conditioners 102.After the temperature of rack 101 inside is lower than design temperature, controller 103 simultaneously just successively or stop compressor 109 and condensation fan 106, but the evaporation fan 104 of cabinet air conditioner 102 always needs to keep continuous operation, waste electric energy, reduces machine service life.