CN103528150A - Energy-saving integrated air conditioner for communication machine room - Google Patents

Abstract

The invention provides an energy-saving integrated air conditioner for a communication machine room. The energy-saving integrated air conditioner for the communication machine room comprises a mechanical refrigeration system and an indirect heat exchange system. The mechanical refrigeration system comprises an evaporator, a condenser and an inverter compressor communicating the evaporator and the condenser. The indirect heat exchange system comprises an indoor heat exchanger, an outdoor heat exchanger and a circulating pump communicating the indoor heat exchanger and the outdoor heat exchanger. The indoor heat exchanger and the evaporator are arranged in parallel in a front-and-back mode, and the outdoor heat exchanger and the condenser are arranged in parallel in a front-and-back mode. The energy-saving integrated air conditioner for the communication machine room has the advantages that a set of indirect heat exchange system is further integrated in the air conditioner, when the external temperature is low, the indirect heat exchange system can be operated, internal air and external air undergo heat exchange, the refrigeration loads of the compressor are reduced, the operation time of the compressor is shortened, and energy consumption is greatly reduced.

Description

Used in communication machine room energy saving integrated air-conditioning

Technical field

The present invention relates to a kind of used in communication machine room energy saving integrated air-conditioning.

Background technology

The heating of electronic information system machine rooms project is mainly derived from the heat that the information technoloy equipments such as server in machine room, the network equipment distribute in running, and the heat distributing in the electric equipment operation process such as electric substation, switchgear house, UPS battery chamber.The feature of these equipment heatings is that equipment is concentrated, and caloric value is large, operation continuously, and caloric value keeps constant substantially throughout the year.Keep in machine room and electric room in air themperature in certain scope, this just needs a large amount of cold wind that heat is taken away.Data center generally adopts special air conditioning for device room, and refrigeration system needs long-term stable operation, and air-conditioning need to compressor be all in operating condition throughout the year, and energy consumption is high.

A kind of machinery room energy-saving air conditioner disclosing as patent 200920105584.3 in addition, this kind of heat exchange mode adopts direct wall-type heat exchange, it is room air-heat exchanger-outdoor air, can supplement and be applied to the season that temperature is lower, but volume is large, take more space, installation and maintenance inconvenience cannot be freezed when outdoor temperature is higher.

Summary of the invention

The object of the invention is to solve above-mentioned technical problem, a kind of used in communication machine room energy saving integrated air-conditioning is provided.

Object of the present invention is achieved through the following technical solutions:

Used in communication machine room energy saving integrated air-conditioning, comprise mechanical refrigeration system and indirect heat exchange system, described mechanical refrigeration system comprises the frequency-changeable compressor of evaporimeter, condenser and UNICOM's evaporimeter and condenser, and that described indirect heat exchange system comprises is indoor, outdoor heat exchanger and UNICOM is indoor, the circulating pump of outdoor heat exchanger; Described indoor heat exchanger and evaporimeter front and back are against installation, and front face area is identical, and described outdoor heat exchanger and condenser front and back are against installation, and front face area is identical.

Preferably, offer inner side gas returning port on described air-conditioning, on the gas returning port of described inner side, be connected with pipeline, the described pipeline other end is arranged on the hot blast of indoor server and concentrates mouth.

Preferably, between described indoor, outdoor heat exchanger, by circulation, do not freeze water liquid and transmit heat.

Preferably, described air-conditioning also comprises for controlling the controller of mechanical refrigeration system and the operation of indirect heat exchange system.

Beneficial effect of the present invention is mainly reflected in: cooling to server air-out, and server hot blast can directly be got back to return air inlet for air-conditioner by pipeline, and return air temperature is high, has greatly improved the heat exchange efficiency of air-conditioning, improves air-conditioning Energy Efficiency Ratio.A set of indirect heat exchange system that this air-conditioning is inner also integrated, when externally temperature is lower, can move indirect heat exchange system, makes inner air and outer air carry out exchange heat, reduces the load of compressor cooling, has reduced compressor operating time, greatly reduces energy consumption.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, technical solution of the present invention is described further:

Fig. 1: structural representation of the present invention.

The specific embodiment

The present invention has disclosed used in communication machine room energy saving integrated air-conditioning, comprises mechanical refrigeration system and indirect heat exchange system, and two cover systems can work alone separately, also can work together.As shown in Figure 1, the both sides of described air-conditioning are respectively arranged with air port, and a crosswind mouth is with respect to indoor server end setting, i.e. air port, inner side.Otherwise be air port, outside.

In described air-conditioning, be provided with for using the air of server end and the dividing plate 9 of isolating as the outside air of low-temperature receiver.

Described mechanical refrigeration system comprises the frequency-changeable compressor 1 of evaporimeter 4, condenser 6 and UNICOM's evaporimeter 4 and condenser 6, and that described indirect heat exchange system comprises is indoor, outdoor heat exchanger and UNICOM is indoor, the circulating pump of outdoor heat exchanger; Described indoor heat exchanger 5 is identical with evaporimeter 4 front face areas, and front and back are against installation, and described outdoor heat exchanger 7 is identical with condenser 6 front face areas, and front and back are against installation.Before and after the above against facies digitales dorsales manus relatively against.

In described air-conditioning, be provided with temperature sensor, described temperature sensor is connected with controller.Described controller can control mechanical refrigeration system and indirect heat exchange system is carried out separately or simultaneously operation.

Below set forth this air conditioner refrigerating principle:

The server out return air of heat passes through evaporimeter 4 and indoor heat exchanger 5, heat is passed to cold-producing medium in evaporimeter 4 and the non freezing solution in indoor heat exchanger 5, cold-producing medium is driven through throttling arrangement and is entered into condenser 6 by frequency-changeable compressor 1, non freezing solution is driven by circulating pump 2, enter outdoor condenser 6, heat is taken away by outdoor cold source air again, between interior gas and outer gas, there is no circulation of air.

Non freezing solution circulation indirect heat exchange system is carried out heat exchange by circulation non freezing solution between interior gas, outer gas side sensible heat exchanger separately.The cold air-conditioning (refrigeration air-conditioner) of driven compressor, be by the refrigerant after the evaporator evaporation heat absorption of interior gas side with after compressor compresses, make its condensing heat release of condenser of gas side outside, thereby realize circularly cooling.Interior gas, outer gas side refer to respectively the both sides of dividing plate 9, with respect to server end be inner side, otherwise be outside.

Below sketch the lower course of work of the present invention:

Generally, this air-conditioning will preferentially be used indirect heat exchange system, when indirect heat exchange system can not meet the demands, will start mechanical refrigeration system.

Native system object is that server intake air is maintained to setting value, after temperature sensor detected temperatures, signal is sent to controller, if controller detects judgement, meets in the situation of indirect heat exchange system service condition, starts indirect heat exchange system; Work as excess Temperature, while only depending on " indirect heat exchange system " cannot maintain setting value, enable " compressor mechanical refrigeration ".

This control is according to the relation of outdoor air inlet temperature and server outlet air temperature, by controller, is automatically implemented: when outdoor temperature is during higher than server air outlet temperature, indirect heat exchange system is not moved, and just moves mechanical refrigeration system; When outdoor temperature is during lower than server air outlet temperature, indirect heat exchange system can be moved, and non freezing solution circulating pump is opened, the suitable reduction of speed of frequency-changeable compressor now, and minimizing machine made cold, realizes energy-conservation; When outdoor temperature is enough low, only indirect heat exchange system just can maintain server inlet temperature in setting value, and mechanical refrigeration can be closed completely, stops compressor operating, thereby realizes maximum energy-conservation.

Air-conditioning in the present invention is from applying, on the gas returning port 10 of inner side, be designed with pipe connecting structure, after the hot blast of indoor server can being concentrated, by pipeline, get back to air-conditioning, be different from the mode that existing machine room air is got back to air-conditioning, realized return air temperature high, heat exchange efficiency is good, the time length of indirect heat exchange mode operation and the effect of good energy-conserving effect.Two cover systems in this air-conditioning can be accomplished to move simultaneously, and refrigerating efficiency is high.

The present invention still has multiple concrete embodiment, and all employings are equal to replacement or equivalent transformation and all technical schemes of forming, within all dropping on the scope of protection of present invention.

Claims (4)

1. used in communication machine room energy saving integrated air-conditioning, it is characterized in that: comprise mechanical refrigeration system and indirect heat exchange system, described mechanical refrigeration system comprises the frequency-changeable compressor of evaporimeter, condenser and UNICOM's evaporimeter and condenser, and that described indirect heat exchange system comprises is indoor, outdoor heat exchanger and UNICOM is indoor, the circulating pump of outdoor heat exchanger; Described indoor heat exchanger and evaporimeter front and back are against installation, and front face area is identical, and described outdoor heat exchanger and condenser front and back are against installation, and front face area is identical.

2. used in communication machine room energy saving integrated air-conditioning as claimed in claim 1, is characterized in that: on described air-conditioning, offer inner side gas returning port, on the gas returning port of described inner side, be connected with pipeline, the described pipeline other end is arranged on the hot blast of indoor server and concentrates mouth.

3. used in communication machine room energy saving integrated air-conditioning as claimed in claim 2, is characterized in that: between described indoor, outdoor heat exchanger, by circulation, do not freeze water liquid and transmit heat.

4. used in communication machine room energy saving integrated air-conditioning as claimed in claim 3, is characterized in that: described air-conditioning also comprises for controlling the controller of mechanical refrigeration system and the operation of indirect heat exchange system.

Images