CN103277879B - Water source multi-connection air conditioning - Google Patents
Water source multi-connection air conditioning Download PDFInfo
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- CN103277879B CN103277879B CN201310160957.8A CN201310160957A CN103277879B CN 103277879 B CN103277879 B CN 103277879B CN 201310160957 A CN201310160957 A CN 201310160957A CN 103277879 B CN103277879 B CN 103277879B
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Abstract
The present invention discloses a kind of water source multi-connection air conditioning, comprises off-premises station refrigerant system unit, indoor unit, water source cooling unit, refrigerant and water side heat exchange unit and compressor variable frequency module.Described water source multi-connection air conditioning also comprises frequency-variable module heat-sink unit, this frequency-variable module heat-sink unit is arranged on described compressor variable frequency module, the cooling water flow flowed out in order to guide this water source cooling unit is through this compressor variable frequency module, to absorb the heat that this compressor variable frequency module produces, and the cooling water after absorption heat is made to flow back to water source cooling unit through the cooling water inlet of water source cooling unit.Cooling water flow water source cooling unit being flowed out due to water source multi-connection air conditioning of the present invention absorbs the heat that compressor frequency-variable module produces through frequency-variable module heat-sink unit, therefore water source multi-connection air conditioning of the present invention can realize compressor variable frequency module safety and dispels the heat reliably, and its radiator structure is simple, cost is lower.<!--1-->
Description
Technical field
The present invention relates to air-conditioning technical field, be specifically related to a kind of water source multi-connection air conditioning.
Background technology
Multi-online air-conditioning system is divided into air-source multi-online air-conditioning system and water source multi-connection air conditioning usually in the market.Water source multi-connection air conditioning is compared with air-source multi-online air-conditioning system, it has higher Energy Efficiency Ratio, the floor space more economized, lower operation Noise and vibration and more stable outstanding performance, therefore, water source multi-connection air conditioning receives the favor of people gradually.
But, no matter be air-source multi-online air-conditioning system or water source multi-connection air conditioning, when compressor operating, the electronic component of its electric-controlled box inner compressor frequency-variable module can produce a large amount of heats, if the heat not taking method to be produced is taken away, then compressor variable frequency module will be likely caused to burn because of overheated.
For air-source multi-online air-conditioning system, the radiating treatment mode of its electric-controlled box inner compressor frequency-variable module is: add the fin of high thermal conductivity coefficient in the behind of compressor variable frequency module to strengthen heat transfer, and utilize the large blower fan of condenser to force and outdoor cross-ventilation heat exchange, thus the temperature maintaining electric-controlled box inner compressor frequency-variable module is within certain scope.
For water source multi-connection air conditioning, owing to there is no the large blower fan of condenser, its heat dissipating method is: in the behind of compressor variable frequency module, also heat transfer strengthened by additional fin, and additionally increase little blower fan in the behind of electric-controlled box to realize the loose of module heating amount, when the temperature of compressor variable frequency module is higher than certain value, cooling fan is opened; And when within the temperature of compressor variable frequency module is lower than another one safety value, cooling fan is closed.
But, adopt the water source multi-connection air conditioning of existing heat dissipating method in this actual use procedure, when temperature feedback sensor fault or fan trouble all can cause the inefficacy of whole radiating control process, and only in order to realize the cooling of electric-controlled box inner compressor frequency-variable module and the cooling fan additionally increased and temperature sensor too increase the cost of whole system.
Summary of the invention
The object of the present invention is to provide and a kind ofly avoid radiation processes to lose efficacy and reduce the water source multi-connection air conditioning of cost.
In order to realize the object of the invention, the invention provides a kind of water source multi-connection air conditioning, comprise off-premises station refrigerant system unit, the indoor unit, water source cooling unit, refrigerant and the water side heat exchange unit that are connected with off-premises station refrigerant system unit and compressor variable frequency module, described off-premises station refrigerant system unit and water source cooling unit are interconnected by described refrigerant and water side heat exchange unit.Described water source multi-connection air conditioning also comprises frequency-variable module heat-sink unit, this frequency-variable module heat-sink unit is arranged on described compressor variable frequency module, the cooling water flow flowed out in order to guide this water source cooling unit is through this compressor variable frequency module, to absorb the heat that this compressor variable frequency module produces, and the cooling water after absorption heat is made to flow back to water source cooling unit through the cooling water inlet of water source cooling unit.
Preferably, described frequency-variable module heat-sink unit is coil the conduit be located on compressor variable frequency module.
Preferably, the two ends of described frequency-variable module heat-sink unit connect described refrigerant and water side heat exchange unit and water source cooling unit respectively.
Preferably, described water source cooling unit has cooling water inlet and coolant outlet, this coolant outlet is connected to threeway, refrigerant and water side heat exchange unit have water inlet and delivery port, refrigerant is connected with threeway with the water inlet of water side heat exchange unit, refrigerant is connected with the cooling water inlet of water source cooling unit with the delivery port of water side heat exchange unit, and one end of frequency-variable module heat-sink unit is connected with threeway, and the other end of frequency-variable module heat-sink unit is connected with the cooling water inlet of water source cooling unit.
Preferably, described water source cooling unit has cooling water inlet and coolant outlet, refrigerant and water side heat exchange unit have water inlet and delivery port, refrigerant is connected with the coolant outlet of water source cooling unit with the water inlet of water side heat exchange unit, refrigerant is connected with one end of frequency-variable module heat-sink unit with the delivery port of water side heat exchange unit, and the other end of frequency-variable module heat-sink unit is connected with the cooling water inlet of water source cooling unit.
Preferably, described water source cooling unit has cooling water inlet and coolant outlet, refrigerant and water side heat exchange unit have water inlet and delivery port, one end of frequency-variable module heat-sink unit is connected with the coolant outlet of water source cooling unit, the other end of frequency-variable module heat-sink unit is connected with the water inlet of refrigerant and water side heat exchange unit, and refrigerant is connected with the cooling water inlet of water source cooling unit with the delivery port of water side heat exchange unit.
Preferably, described off-premises station refrigerant system unit comprises compressor, oil eliminator, cross valve, gas-liquid separator, throttle part and two stop valves, compressor is connected with oil eliminator and gas-liquid separator respectively, oil eliminator is also connected with gas-liquid separator, cross valve is connected with oil eliminator, gas-liquid separator, a stop valve and refrigerant and water side heat exchange unit respectively, throttle part connects refrigerant and water side heat exchange unit and another stop valve, and two stop valves are all connected with indoor unit.
Preferably, described oil eliminator is connected with gas-liquid separator by oil return capillary.
Because water source multi-connection air conditioning of the present invention to absorb by the cooling water flow that makes water source cooling unit and flow out the heat that compressor frequency-variable module produces through frequency-variable module heat-sink unit, therefore the inventive method and system can realize compressor variable frequency module safety and dispel the heat reliably, and its radiator structure is simple, cost is lower.
Accompanying drawing explanation
Fig. 1 is the line map of water source multi-connection air conditioning first embodiment of the present invention;
Fig. 2 is the line map of water source multi-connection air conditioning second embodiment of the present invention;
Fig. 3 is the line map of water source multi-connection air conditioning of the present invention 3rd embodiment.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of water source multi-connection air conditioning, with reference to Fig. 1, there is disclosed the first embodiment of water source multi-connection air conditioning of the present invention, in the present embodiment, water source multi-connection air conditioning comprises off-premises station refrigerant system unit 10, indoor unit 20, water source cooling unit 30, refrigerant and water side heat exchange unit 40, compressor variable frequency module 50 and frequency-variable module heat-sink unit 60.
Off-premises station refrigerant system unit 10 has compressor 110, oil eliminator 120, cross valve 130, gas-liquid separator 140, throttle part 150 and two stop valves 160.Compressor 110 is connected with oil eliminator 120 and gas-liquid separator 140 respectively, and oil eliminator 120 is also connected with gas-liquid separator 140 by oil return capillary.Four ports of cross valve 130 are connected with oil eliminator 120, gas-liquid separator 140, stop valve 160 and refrigerant and water side heat exchange unit 40 respectively, thus form the loop of refrigerant flowing, therefore heat exchange can be realized by the compression of refrigerant, condensation, throttling and evaporation, what it was concrete realizes the process of heat exchange known by the technology people of this area, illustrates no longer in detail at this.Throttle part 150 connects refrigerant and water side heat exchange unit 40 and another stop valve 160.Two stop valves 160 are all connected with indoor unit 20.
Water source cooling unit 30 has cooling water inlet 310 and coolant outlet 320, and it is for the formation cooling water that cools to the cooling water of the absorption heat refluxed from cooling water inlet 310.Coolant outlet 320 is connected to a threeway 330.
Refrigerant and water side heat exchange unit 40 have four ports, and it is respectively water inlet 410, delivery port 420, compressor interface 430 and indoor set interface 440.Water inlet 410 is connected with threeway 330, and delivery port 420 is connected with cooling water inlet 310.Compressor interface 430 is connected with the cross valve 130 of off-premises station refrigerant system unit 10, indoor set interface 440 is connected with the throttle part 150 of off-premises station refrigerant system unit 10, thus refrigerant flows through the heat that refrigerant and water side heat exchange unit 40 discharge can be absorbed by the cooling water flowing through refrigerant and water side heat exchange unit 40, therefore realize the heat exchange of refrigerant and cooling water.
Compressor variable frequency module 50 is for controlling the operating frequency of compressor 110 to realize energy-conservation effect according to water source multi-connection air conditioning work indoor temperature.
Frequency-variable module heat-sink unit 60 is arranged on compressor variable frequency module 50, and its one end connecting tee 330, its other end connects cooling water inlet 310, and this frequency-variable module heat-sink unit 60 is coil the conduit be located on compressor variable frequency module 50.
When water source multi-connection air conditioning works, refrigerant evaporates and flows out indoor unit 20 after indoor unit 20 absorbs heat, then the refrigerant after compressor 110 Compression Evaporation is at refrigerant and water side heat exchange unit 40 releases heat, accordingly, the cooling water flowed out from the coolant outlet 320 of water source cooling unit 30 separates a part by threeway 330 and flows into refrigerant and water side heat exchange unit 40 through water inlet 410 and absorb refrigerant releases heat.Cooling water flows back to water source cooling unit 30 through delivery port 420, cooling water inlet 310 after absorbing refrigerant releases heat, to be cooled process to absorbing the cooling water of heat again by water source cooling unit 30, thus realize the refrigerating function of water source multi-connection air conditioning.Simultaneously, the cooling water flowed out from the coolant outlet 320 of water source cooling unit 30 also separates part inflow frequency-variable module heat-sink unit 60 through threeway 330, the cooling water flowing into frequency-variable module heat-sink unit 60 absorbs the heat of compressor frequency-variable module 50 generation, cooling water directly flows back to water source cooling unit 30 through cooling water inlet 310 after absorbing the heat of compressor frequency-variable module 50 generation, again the cooling water absorbing heat is cooled by water source cooling unit 30, thus realize the heat radiation of compressor variable frequency module 50.
The heat dissipating method of the present embodiment water source multi-connection air conditioning, that the cooling water that the coolant outlet 320 of water source cooling unit 30 flows out is divided into two-way by threeway 330, leading up to frequency-variable module heat-sink unit 60 and the heat produced by compressor variable frequency module 50 is taken away by heat exchange, separately lead up to refrigerant and water side heat exchange unit 40 and with refrigerant generation heat exchange.
In the present embodiment, owing to the cooling water that the coolant outlet 320 of water source cooling unit 30 flows out being divided into two-way by threeway 330, one tunnel is used for and refrigerant generation heat exchange, the heat that one tunnel produces for absorbing compressor frequency-variable module 50, thus the present embodiment water source multi-connection air conditioning utilizes cooling water to maintain the temperature of compressor variable frequency module 50 within limits, therefore, the present embodiment water source multi-connection air conditioning can realize the safe and reliable heat radiation of compressor variable frequency module 50, and it makes the structure of frequency-variable module heat-sink unit 60 simple, cost is lower.
With reference to Fig. 2, there is disclosed the second embodiment of water source multi-connection air conditioning of the present invention, the water source multi-connection air conditioning of the present embodiment and the water source multi-connection air conditioning of the first embodiment similar, its difference is: one end of frequency-variable module heat-sink unit 60 is connected with the coolant outlet 320 of water source cooling unit 30, the other end of frequency-variable module heat-sink unit 60 is connected with the water inlet 410 of refrigerant and water side heat exchange unit 40, and refrigerant is connected with the cooling water inlet 310 of water source cooling unit 30 with the delivery port 420 of water side heat exchange unit 40.
When the present embodiment water source multi-connection air conditioning works, refrigerant evaporates and flows out indoor unit 20 after indoor unit 20 absorbs heat, then through the refrigerant of compressor 110 Compression Evaporation at refrigerant and water side heat exchange unit 40 releases heat, accordingly, the cooling water flowed out from the coolant outlet 320 of water source cooling unit 30 flows into frequency-variable module heat-sink unit 60, thus absorb the heat of compressor frequency-variable module 50 generation, cooling water flows into refrigerant and water side heat exchange unit 40 through water inlet 410 again after absorbing the heat that compressor frequency-variable module 50 produces and absorbs refrigerant releases heat, cooling water flows back to water source cooling unit 30 through delivery port 420 and cooling water inlet 310 after absorbing refrigerant releases heat, again the cooling water absorbing heat is cooled by water source cooling unit 30, thus realize absorbing the heat that the heat that discharges of refrigerant and compressor variable frequency module 50 produce.
The heat dissipating method of the present embodiment water source multi-connection air conditioning, be that the cooling water that flowed out by the coolant outlet 320 of water source cooling unit 30 first absorbs through frequency-variable module heat-sink unit 60 heat that compressor frequency-variable module 50 produces, and then absorb the heat of refrigerant release through refrigerant and water side heat exchange unit 40.
Due in the present embodiment, cooling water takes away the heat of compressor variable frequency module 50 generation through frequency-variable module heat-sink unit 60 after, heat exchange is carried out again with refrigerant again through refrigerant and water side heat exchange unit 40, thus realize the heat radiation of frequency-variable module heat-sink unit 60 and compressor variable frequency module 50 temperature is maintained within limits, therefore, the present embodiment water source multi-connection air conditioning can realize the safe and reliable heat radiation of compressor variable frequency module 50, and makes that the structure of its frequency-variable module heat-sink unit 60 is simple, cost is lower.With reference to Fig. 3, there is disclosed the 3rd embodiment of water source multi-connection air conditioning of the present invention, the water source multi-connection air conditioning of the present embodiment and the water source multi-connection air conditioning of the second embodiment similar, its difference is: refrigerant is connected with the coolant outlet 320 of water source cooling unit 30 with the water inlet 410 of water side heat exchange unit 40, refrigerant is connected with one end of frequency-variable module heat-sink unit 60 with the delivery port 420 of water side heat exchange unit 40, and the other end of frequency-variable module heat-sink unit 60 is connected with the cooling water inlet 310 of water source cooling unit 30.
When the present embodiment water source multi-connection air conditioning works, refrigerant evaporates and flows out indoor set 210 after indoor set 210 absorbs heat, then through the refrigerant of compressor 110 Compression Evaporation at refrigerant and water side heat exchange unit 40 releases heat, accordingly, the cooling water flowed out from the coolant outlet 320 of water source cooling unit 30 flows into refrigerant and water side heat exchange unit 40 through water inlet 410 and absorbs refrigerant releases heat.Cooling water flows into frequency-variable module heat-sink unit 60 again after absorbing refrigerant releases heat after delivery port 420, thus the cooling water absorbing refrigerant releases heat absorbs the heat that compressor frequency-variable module 50 produces again.Cooling water flows back to water source cooling unit 30 through cooling water inlet 310 after the heat absorbing the generation of compressor frequency-variable module 50, cooled to absorbing the cooling water of heat again by water source cooling unit 30, thus realize absorbing the heat radiation of heat that refrigerant discharges and compressor variable frequency module 50.
The heat dissipating method of the present embodiment water source multi-connection air conditioning, be the cooling water flowed out by the coolant outlet 320 of water source cooling unit 30 first absorbs refrigerant release heat through refrigerant and water side heat exchange unit 40, and then absorb the heat of compressor frequency-variable module 50 generation through frequency-variable module heat-sink unit 60.
In the present embodiment, because cooling water is after refrigerant and heat exchange unit 40 heat exchange of water side, the heat that compressor variable frequency module 50 produces is taken away again through frequency-variable module heat-sink unit 60, thus realize the heat radiation of compressor variable frequency module 50 and its temperature is maintained within limits, therefore, the present embodiment water source multi-connection air conditioning can realize the safe and reliable heat radiation of compressor variable frequency module 50, and makes that the structure of its frequency-variable module heat-sink unit 60 is simple, cost is lower.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a water source multi-connection air conditioning, comprise off-premises station refrigerant system unit, the indoor unit, water source cooling unit, refrigerant and the water side heat exchange unit that are connected with off-premises station refrigerant system unit and compressor variable frequency module, described off-premises station refrigerant system unit and water source cooling unit are interconnected by described refrigerant and water side heat exchange unit;
It is characterized in that, described water source multi-connection air conditioning also comprises frequency-variable module heat-sink unit, this frequency-variable module heat-sink unit is arranged on described compressor variable frequency module, the cooling water flow flowed out in order to guide this water source cooling unit is through this compressor variable frequency module, to absorb the heat that this compressor variable frequency module produces, and the cooling water after absorption heat is made to flow back to water source cooling unit through the cooling water inlet of water source cooling unit;
Described frequency-variable module heat-sink unit is coil the conduit be located on compressor variable frequency module;
The two ends of described frequency-variable module heat-sink unit connect described refrigerant and water side heat exchange unit and water source cooling unit respectively.
2. water source multi-connection air conditioning as claimed in claim 1, it is characterized in that, described water source cooling unit has cooling water inlet and coolant outlet, this coolant outlet is connected to threeway, refrigerant and water side heat exchange unit have water inlet and delivery port, refrigerant is connected with threeway with the water inlet of water side heat exchange unit, refrigerant is connected with the cooling water inlet of water source cooling unit with the delivery port of water side heat exchange unit, one end of frequency-variable module heat-sink unit is connected with threeway, and the other end of frequency-variable module heat-sink unit is connected with the cooling water inlet of water source cooling unit.
3. water source multi-connection air conditioning as claimed in claim 1, it is characterized in that, described water source cooling unit has cooling water inlet and coolant outlet, refrigerant and water side heat exchange unit have water inlet and delivery port, refrigerant is connected with the coolant outlet of water source cooling unit with the water inlet of water side heat exchange unit, refrigerant is connected with one end of frequency-variable module heat-sink unit with the delivery port of water side heat exchange unit, and the other end of frequency-variable module heat-sink unit is connected with the cooling water inlet of water source cooling unit.
4. water source multi-connection air conditioning as claimed in claim 1, it is characterized in that, described water source cooling unit has cooling water inlet and coolant outlet, refrigerant and water side heat exchange unit have water inlet and delivery port, one end of frequency-variable module heat-sink unit is connected with the coolant outlet of water source cooling unit, the other end of frequency-variable module heat-sink unit is connected with the water inlet of refrigerant and water side heat exchange unit, and refrigerant is connected with the cooling water inlet of water source cooling unit with the delivery port of water side heat exchange unit.
5. the water source multi-connection air conditioning as described in any one of Claims 1-4, it is characterized in that, described off-premises station refrigerant system unit comprises compressor, oil eliminator, cross valve, gas-liquid separator, throttle part and two stop valves, compressor is connected with oil eliminator and gas-liquid separator respectively, oil eliminator is also connected with gas-liquid separator, cross valve respectively with oil eliminator, gas-liquid separator, one stop valve is connected with water side heat exchange unit with refrigerant, throttle part connects refrigerant and water side heat exchange unit and another stop valve, and two stop valves are all connected with indoor unit.
6. water source multi-connection air conditioning as claimed in claim 5, is characterized in that, described oil eliminator is connected with gas-liquid separator by oil return capillary.
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| CN201310160957.8A CN103277879B (en) | 2013-05-03 | 2013-05-03 | Water source multi-connection air conditioning |
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| CN201310160957.8A CN103277879B (en) | 2013-05-03 | 2013-05-03 | Water source multi-connection air conditioning |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104729162B (en) * | 2013-12-24 | 2018-02-27 | 珠海格力电器股份有限公司 | Cooling system and the air conditioner with the cooling system |
| CN104748253A (en) * | 2014-01-01 | 2015-07-01 | 广东美的制冷设备有限公司 | Air conditioner and heat exchange system thereof |
| CN103807925A (en) * | 2014-02-28 | 2014-05-21 | 深圳麦克维尔空调有限公司 | Variable-frequency air conditioner and water chilling unit thereof |
| CN103925655B (en) * | 2014-04-01 | 2016-08-31 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and air-conditioning |
| CN104633999B (en) * | 2015-03-04 | 2017-12-08 | 深圳麦克维尔空调有限公司 | Frequency-variable air conditioner outdoor machine |
| CN105526654B (en) * | 2015-12-19 | 2018-08-14 | 于春明 | It is a kind of using well water to the water source heat pump air-conditioner of cooling compressor |
| CN106196695A (en) * | 2016-07-19 | 2016-12-07 | 中信建筑设计研究总院有限公司 | A kind of water source based on heat source tower multi-connected machine cold and heat supply system |
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