Summary of the invention
(1) technical problem that will solve
The object of the invention is to solve the complex structure of existing computer-room air conditioning system, take up an area greatlyr, can not make full use of the problem of natural cooling source.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of integrated machine room air-conditioning system, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor, condenser and throttling arrangement, the two ends of described condenser are respectively by pipeline connection compressor and throttling arrangement, described compressor and throttling arrangement are respectively by pipeline connection heat-exchanger rig, the two ends of described Indoor Thermal pipe evaporator are communicated with respectively heat-exchanger rig.
Wherein, described heat-exchanger rig comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with Indoor Thermal pipe evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor and throttling arrangement respectively.
Wherein, described Indoor Thermal pipe evaporator can be one or more combination of air-cooled heat-exchanger rig, direct contact type radiator, liquid-cooled heat-exchanger rig.
Wherein, described air-cooled heat-exchanger rig is preferably tubular structure, is made up of one or more straight tube, one or more in finned tube, the additional fin of coiled pipe, many straight tube cover fins, finned flat tube.
Wherein, described direct contact type radiator is by directly contacting and dispel the heat with heat generating components.
Wherein, described liquid-cooled heat-exchanger rig is one or more compositions in bushing type, board-like, shell-tube type heat exchanger.
Wherein, described condenser is the wherein combination of one or more of air-cooled, water-cooled, evaporating condensation type condenser.
Wherein, described throttling arrangement is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described refrigerated medium pump is used for driving loop heat pipe loop to carry out work.
Wherein, described heat-exchanger rig is also laid with blower fan in outdoor air path, and described blower fan is for accelerating the circulation of air in outdoor air path.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: native system has vapor compression refrigeration loop and loop heat pipe loop simultaneously, can realize vapor compression refrigeration and loop heat pipe cooling independent or move cooling simultaneously, there is outdoor air path simultaneously, can utilize to the full extent natural cooling source to carry out cooling, save cooling energy consumption, simple in structure, it is convenient to safeguard.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Embodiment mono-
As shown in Figure 1, a kind of integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor and throttling arrangement respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described Indoor Thermal pipe evaporator 5 is air-cooled heat-exchanger rig, described air-cooled heat-exchanger rig is preferably tubular structure, is made up of one or more straight tube, one or more in finned tube, the additional fin of coiled pipe, many straight tube cover fins, finned flat tube.
Wherein, described condenser 2 is preferably air cooled condenser.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described heat-exchanger rig 4 is also laid with blower fan in outdoor air path, and described blower fan is beneficial to heat radiation for accelerating the circulation of air in outdoor air path.
When concrete enforcement, specifically keep the setting of temperature according to machine room, with the measurement to outdoor temperature, according to temperature range, air-conditioning system is carried out the adjustment of different operating mode: when outdoor temperature higher (outdoor temperature is higher than loop heat pipe condensation temperature), only open vapor compression refrigeration loop, first start compressor 1, the condensation in condenser 2 after compressor 1 compression of refrigeration working medium in vapor compression refrigeration loop, after throttling arrangement 3 reducing pressure by regulating flows, enter heat-exchanger rig 4, evaporation from the heat absorption of loop heat pipe working medium, then flow back to compressor 1; The heat-pipe working medium in loop heat pipe loop flows into heat-exchanger rig 4 after the heat extraction evaporation of the interior absorption machine room of Indoor Thermal pipe evaporator 5, to the refrigeration working medium heat release condensation in vapor compression refrigeration loop, condensed liquid heat-pipe working medium is back to Indoor Thermal pipe evaporator 5 under Action of Gravity Field, so that continue evaporation.
In the time that outdoor temperature is lower, (outdoor temperature is lower than loop heat pipe condensation temperature, but the difference of outdoor temperature and loop heat pipe condensation temperature is not enough to keep the predetermined temperature of whole machine room) need open vapor compression refrigeration loop and outdoor air path refrigeration simultaneously, first start the blower fan in compressor 1 and loop heat pipe loop, the condensation in condenser 2 after compressor 1 compression of refrigeration working medium in described vapor compression refrigeration loop, after throttling arrangement 3 reducing pressure by regulating flows, enter the vapor compression refrigeration loop working medium passage of heat-exchanger rig 4, evaporation from the heat absorption of loop heat pipe working medium, flow back to again compressor 1, described outdoor cold air enters the outdoor air path of heat-exchanger rig 4 under the effect of blower fan, from the heat absorption of loop heat pipe working medium, then is discharged to outdoor, condensation after the air of described loop heat pipe working medium in interior refrigeration working medium and the outdoor air path to evaporating in the refrigeration working medium passage of vapor compression refrigeration loop of heat-exchanger rig 4 carries out heat exchange.
In the time that outdoor temperature is enough low, (outdoor temperature is lower than loop heat pipe condensation temperature, and the cooling effect that the difference of outdoor temperature and loop heat pipe condensation temperature reaches meets the maintenance of the predetermined temperature of whole machine room), can close vapor compression refrigeration loop, only opening outdoor air path carries out cooling, first close compressor 1, open blower fan, outdoor cold air is by blower fan suction outdoor air path, now the heat-pipe working medium in loop heat pipe loop in the loop heat pipe passage of heat-exchanger rig 4 only with outdoor air path in cold air carry out heat exchange condensation.
Embodiment bis-
As shown in Figure 2, the integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor and throttling arrangement respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described indoor evaporator 5 is air-cooled heat-exchanger rig, described air-cooled heat-exchanger rig is preferably tubular structure, is made up of one or more straight tube, one or more in finned tube, the additional fin of coiled pipe, many straight tube cover fins, finned flat tube.
Wherein, described condenser 2 is preferably water cooled condenser 2, utilizes the cooling water of nature cold water source or cooling tower to carry out cooling.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described heat-exchanger rig 4 is also laid with blower fan in outdoor air path, and described blower fan is beneficial to heat radiation for accelerating the circulation of air in outdoor air path.
Embodiment tri-
As shown in Figure 3, the integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor 1 and throttling arrangement 3 respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described Indoor Thermal pipe evaporator 5 direct contact type evaporimeters, described direct contact type radiator, by directly contacting and make heat-pipe working medium evaporation with heat generating components, reaches the object of heat radiation.
Wherein, described condenser 2 is the wherein combination of one or more of air-cooled, water-cooled, evaporating condensation type condenser.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described heat-exchanger rig 4 is also laid with blower fan in outdoor air path, and described blower fan is for accelerating the circulation of air in outdoor air path.
Embodiment tetra-
As shown in Figure 4, a kind of integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor 1 and throttling arrangement 3 respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described Indoor Thermal pipe evaporator 5 can be one or more combination of air-cooled heat-exchanger rig, direct contact type radiator, liquid-cooled heat-exchanger rig.
Wherein, described condenser 2 is the wherein combination of one or more of air-cooled, water-cooled, evaporating condensation type condenser.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described loop heat pipe also comprises refrigerated medium pump 6 in loop, and described refrigerated medium pump 6 is for driving loop heat pipe loop to carry out work.
Wherein, described heat-exchanger rig is also laid with blower fan in outdoor air path, and described blower fan is for accelerating the circulation of air in outdoor air path.
In sum, native system has vapor compression refrigeration loop and loop heat pipe loop simultaneously, can realize vapor compression refrigeration and loop heat pipe cooling independent or move cooling simultaneously, there is outdoor air path simultaneously, can utilize to the full extent natural cooling source to carry out cooling, save cooling energy consumption, simple in structure, it is convenient to safeguard.
The above is only a kind of preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.