The dual system aircondition
The utility model relates to a kind of air-conditioning, particularly a kind of dual system aircondition.
Air-conditioning is room air conditioner (room air conditioner), and being provides the unit of handling air to room (or enclosure space, zone) a kind of being used for.Its function is that the parameters such as temperature, humidity, cleanliness factor and air velocity of the interior air in this room (or enclosure space, zone) are regulated, to satisfy the requirement of human comfort or technical process.
But in a lot of workplaces, for example: data center, communications equipment room, communication base station etc., because the specific demand of equipment needs temperature constant in the holding chamber, these machine rooms still need provide cold in the winter time, so almost just need the annual air-conditioning that uses.And the winter of northern area outdoor temperature very low, have sufficient natural cooling source to utilize, reduce the running time of air-conditioning, reduce air conditioning energy consumption.The mode of utilizing outdoor natural cooling source that adopts mainly is divided into two kinds at present, and the one, directly outdoor new wind is introduced machine room, calculator room equipment to be lowered the temperature, another kind is that interior hot blast of machine room and outdoor cold wind are undertaken by the heat exchanger of isolating; Adopting the heat-exchange energy-saving technology to have does not influence the inner cleanliness factor of machine room, humidity, and maintenance is low, the outer corrosive gas of isolating chamber enters advantages such as machine room, applies at a large amount of machine rooms.Heat exchange and air-conditioning system are formed the air handling system of machine room jointly, come the temperature of machine room is regulated.But want according to weather conditions two cover systems to be controlled simultaneously, how collaborative work is a problem anxious to be solved to two cover refrigeration systems.
The utility model content
At the existing problem of air-conditioning in the prior art, the utility model provides a kind of dual system aircondition.Utilization makes the actual climatic condition of land used adjust the low-temperature receiver of air-conditioning, to reach energy-conservation effect.This air-conditioning comprises: described air-conditioning mainly comprises: cold-producing medium refrigeration system, heat exchange refrigeration system and intelligence control system, described cold-producing medium refrigeration system is electrically connected with intelligence control system respectively with the heat exchange refrigeration system, and the two is coordinated control by described intelligence control system, cold-producing medium refrigeration system and heat exchange refrigeration system have independently air intake respectively and go out wind apparatus.
Further, described cold-producing medium refrigeration system comprises, compressor, condenser, evaporimeter, indoor fan and outdoor fan; Described condenser and compressor, evaporimeter, chamber blower fan and outdoor fan are arranged in the same casing.
Further, described heat exchange refrigeration system comprises heat exchanger.
Dual system aircondition in the utility model has following advantage:
1, the automatic switchover of compressor cooling and heat exchanger heat exchange is accurate
There are cold-producing medium refrigeration and the output of isolated form heat exchanger heat exchange two-stage refrigerating capacity in system.According to thermic load situation in environment temperature and the machine room, by the temperature of setting and the start and stop of sensitivity control unit refrigerating plants at different levels, echelon's operation of refrigerating plants at different levels can realize optimum administration of energy conservation, prolong service life of equipment, synthesis energy saving to greatest extent.
2, the stolen risk of non-outdoor unit
Intelligence isolate all-in-one indoor apparatus of air conditioner, off-premises station, heat exchanger are all concentrated on indoor, outdoor except that two ventilating openings no any equipment.Avoided the split-type air conditioner off-premises station stolen.
Description of drawings
Fig. 1 is the structural representation of air-conditioning in the utility model.
The specific embodiment
As shown in fig. 1, the dual system aircondition in the utility model comprises between cold-producing medium refrigeration system 1 and 2, two refrigeration systems of heat exchange refrigeration system and the intelligent controller 3 for being electrically connected, and by intelligent controller 3 both is coordinated control.Wherein, cold-producing medium refrigeration system 1 is common indoor and outdoor all-in-one air-conditioning, mainly comprise compressor 11, evaporimeter 12, indoor fan 13, outdoor fan 14 and condenser 15, the internal structure of this indoor and outdoor all-in-one is basic identical with indoor and outdoor one air-conditioning commonly used; For example: in air conditioner housing inside, be disposed with from top to bottom shown in Fig. 1, indoor fan 13, evaporimeter 12, condenser 15, orlop are provided with outdoor fan 14 and compressor 11; Heat exchange refrigeration system 2 mainly comprises: isolated form heat exchanger 21, cold air EGR 22 and hot air circulation unit 23, the circulation of outdoor cold air in isolated form heat exchanger 21 controlled in acting as of cold air EGR 22, outdoor cold air can be input in the isolated form heat exchanger 21, and will be by what discharge in the isolated form heat exchanger 21, the cold air after the process heat exchange is discharged in the atmosphere and goes.The circulation of room air in isolated form heat exchanger 21 controlled in acting as of hot air circulation unit 23, and that does not stop is input to indoor hot-air in the isolated form heat exchanger 21, and will output to indoor via the indoor hot-air of cools down.Cold-producing medium refrigeration system 1 and heat exchange refrigeration system 2 with have independently air intake respectively and go out wind apparatus.Cold-producing medium refrigeration system 1, heat exchange refrigeration system 2 and intelligent controller 3 shown among Fig. 1 are arranged on together.When reality is used, also can be according to indoor concrete condition, for example, the space is less, perforate problem, machine room internal temperature air-flow distribution situation can come cold-producing medium refrigeration system 1, heat exchange refrigeration system in 2 minutes dress.
During use, the indoor temperature T that needs are kept sets, when indoor temperature is higher than design temperature T, open heat exchange refrigeration system 2, utilize the heat exchange in heat exchanger between outdoor cold air and the indoor hot-air, reduce the temperature of indoor hot-air, and then reduce indoor temperature.When indoor temperature continue to raise, rely on outdoor cold air indoor temperature can't be reduced to when temperature required; Intelligent controller 3 is opened cold-producing medium refrigeration systems 1, with heat exchange refrigeration system 2 simultaneously to the indoor cold that provides, freeze to indoor.When temperature was reduced to the temperature of indoor requirement, intelligent controller 3 was closed cold-producing medium refrigeration system 1 earlier, and then closed heat exchange refrigeration system 2, and a holding chamber inner blower 13 operations guarantee the room air circulation.During 2 operations of heat exchange refrigeration system, outdoor temperature is less than more than indoor temperature T 4 degree, otherwise do not move, system controls by 1 operation of independent cold-producing medium refrigeration system, and above-mentioned opening and closing to temperature survey and heat exchange refrigeration system and cold-producing medium refrigeration system all have intelligence control system 3 to finish.
Air-conditioning combines cold-producing medium refrigeration system and heat exchange refrigeration system in the utility model, and by the unified control of same intelligence control system, two cover refrigeration systems can better be acted synergistically, avoided because the controller difference of two cover refrigeration systems, when reality is used, can two cover systems often occur and work simultaneously, or all idle phenomenon of two cover systems.Cause energy waste if both work simultaneously, the phenomenon that then very easily causes the device damage that causes owing to temperature is too high as neither working takes place.What the cold-producing medium refrigeration system in the utility model adopted in addition is indoor and outdoor all-in-one air-conditioning.Make the overall structure of air-conditioning compact more, not only made things convenient for installation of air conditioners and maintenance; Can prevent that again off-premises station is stolen.