CN102109203A - Water source heat pump three-tube type heat recovery multi-online air conditioning system - Google Patents
Water source heat pump three-tube type heat recovery multi-online air conditioning system Download PDFInfo
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- CN102109203A CN102109203A CN2011100622896A CN201110062289A CN102109203A CN 102109203 A CN102109203 A CN 102109203A CN 2011100622896 A CN2011100622896 A CN 2011100622896A CN 201110062289 A CN201110062289 A CN 201110062289A CN 102109203 A CN102109203 A CN 102109203A
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Abstract
The invention relates to a water source heat pump three-tube type heat recovery multi-online air conditioning system, comprising a compressor, four-way valves, an outdoor heat exchanger, a water pump and a water storage tank as well as more than one indoor heat exchanger, electronic expansion valve, branch pipe and solenoid valve, wherein the compressor, the outdoor heat exchanger and the indoor heat exchangers are connected into a circuit by virtue of the four-way valves, the electronic expansion valves, the branch pipes and the solenoid valves, and more than two four-way valves are adopted. One side connecting pipe of each four-way valve is connected with an air-returning pipe by virtue of a capillary tube, and exhausted air is cut off when an exhaust pipe is communicated with the side connecting pipe. More branched pipes are arranged in the air conditioning system provided by the invention, thus more indoor heat exchangers can be connected. The water source heat pump technology and the three-tube type multi-online heat pump air conditioning technology are combined, and water is taken as a cold hot source to exchange heat with the outdoor heat exchanger. The machine set of the system provided by the invention has a compact structure, thus the volume is reduced; and the system is easy to mount and can be mounted in a room, thus the length and height of a refrigerant piping are reduced, and the attenuation of system capability is effectively reduced.
Description
Technical field
The present invention relates to a kind of water resource heat pump three-tube type heat-reclamation multi-compressors air-conditioning system.
Background technology
A kind of three-pipe heating and reclaiming air-conditioning system is disclosed among the Chinese patent literature CN200979258Y, comprise outdoor machine system and indoor set system, outdoor machine system includes compressor, condenser, cross valve, the low pressure jar, the off-premises station electric expansion valve, high-voltage tube, middle pressure pipe, low-voltage tube and be separately positioned on cut-out magnetic valve on the respective line, the indoor set system includes some indoor sets, threeway switching device shifter and throttle part, wherein, the refrigerant exit of compressor is connected with the A mouth of threeway switching device shifter by cut-out magnetic valve and high-voltage tube respectively and is connected with condenser by cross valve, condenser is by the off-premises station electric expansion valve, cut-out magnetic valve, middle pressure pipe and throttle part are connected with an end of indoor set, the B mouth of threeway switching device shifter is connected with the other end of indoor set, the C mouth of threeway switching device shifter is connected with low pressure jar and cross valve respectively by low-voltage tube and cut-out magnetic valve thereof, and the low pressure jar is connected with the refrigerant import of compressor.This system has increased the high-pressure air pipe pipeline than common multi-online air-conditioning system, and the indoor is connected by three pipes with the outside; This system can also realize refrigeration and heat-production functions simultaneously except realizing the refrigeration and the heat-production functions of common multi-online air-conditioning system, will originally need be discharged into outdoor heat recovery to the area that need heat, and environmental protection is energy-conservation again; But, owing to it causes as the Cooling and Heat Source of off-premises station heat exchanger with air certain limitation is installed, can only be installed in the place that roof or ground or floor balcony etc. ventilate, and have problems such as the big noise of volume is big, low-temperature heating weak effect.
Summary of the invention
Purpose of the present invention aims to provide the water resource heat pump three-tube type heat-reclamation multi-compressors air-conditioning system of a kind of simple and reasonable, environmental protection and energy saving, easy for installation, dependable performance, to overcome weak point of the prior art.
A kind of water resource heat pump three-tube type heat-reclamation multi-compressors air-conditioning system by this purpose design comprises compressor, cross valve, outdoor heat exchanger, water pump, storage tank, and more than one indoor heat exchanger, electric expansion valve, branch pipe and magnetic valve; Compressor forms link circuit by cross valve, electric expansion valve, branch pipe, magnetic valve with outdoor heat exchanger, indoor heat exchanger, and its architectural feature is that described triple valve is more than two;
Wherein: the a1 end of first cross valve is in parallel with the a2 end of second cross valve, and is connected with the refrigerant exit of compressor; The c1 end of first cross valve is connected with the i1 end of outdoor heat exchanger, first electric expansion valve, high-pressure liquid tube, first branch pipe successively; The e1 end of first branch pipe is connected with the g1 end of second electric expansion valve, first indoor heat exchanger successively, and the f1 end of first branch pipe is connected with the g2 end of the 3rd electric expansion valve, second indoor heat exchanger successively;
The b1 end of first cross valve is connected with the refluxing opening of compressor by capillary with the b2 end back in parallel of second cross valve, and the d1 end of first cross valve is connected with the i2 end of second branch pipe by the low pressure tracheae; The e2 end of second branch pipe is connected with the h1 end of first magnetic valve, first indoor heat exchanger successively, and the f2 end of second branch pipe is connected with the h2 end of the 3rd magnetic valve, second indoor heat exchanger successively, and the d2 port of second cross valve is connected with the refluxing opening of compressor.
The c2 end of second cross valve is connected with the i3 end of the 3rd branch pipe by high-pressure air pipe; The e3 end of the 3rd branch pipe is connected with the h1 end of second magnetic valve, first indoor heat exchanger successively, and the f3 end of the 3rd branch pipe is connected with the h2 end of the 4th magnetic valve, second indoor heat exchanger successively.
Described outdoor heat exchanger and storage tank, water pump form link circuit.
The present invention can connect more indoor heat exchanger by more branch pipe is set.
The present invention combines water source heat pump technology and the multi-joint machine heat pump air conditioner of three-tube type technology, as Cooling and Heat Source, carries out heat exchange with outdoor heat exchanger with water.Replace the air source that many advantages are arranged with the water source, the first, because the thermal capacity of water is big, good effect of heat exchange, its cooling or heating effect all is higher than Air-Cooled Heat Pump Unit; The second, the set structure compactness, volume reduces; The 3rd, easy for installation, need not restriction and be installed in ventilation places such as roof or ground or floor balcony; The 4th, can be installed on indoorly, reduce coolant piping length and height, effectively reduce the system capability decay; The 5th, do not need Defrost operation when heating and not influenced by outside air temperature.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Among the figure: 1 is compressor, and 3 is outdoor heat exchanger, and 9 is high-pressure liquid tube, 10 is the low pressure tracheae, 11 is high-pressure air pipe, and 12 is water pump, and 13 is storage tank, 21 is first cross valve, 22 is second cross valve, and 41 is first electric expansion valve, and 42 is second electric expansion valve, 43 is the 3rd electric expansion valve, 51 is first magnetic valve, and 52 is second magnetic valve, and 53 is the 3rd magnetic valve, 54 is the 4th magnetic valve, 61 is first indoor heat exchanger, and 62 is second indoor heat exchanger, and 81 is first branch pipe, 82 is second branch pipe, and 83 is the 3rd branch pipe.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1, this water resource heat pump three-tube type heat-reclamation multi-compressors air-conditioning system comprises compressor 1, cross valve, outdoor heat exchanger 3, water pump 12, storage tank 13, and more than one indoor heat exchanger, electric expansion valve, branch pipe and magnetic valve; Compressor 1 forms link circuit by cross valve, electric expansion valve, branch pipe, magnetic valve with outdoor heat exchanger 3, indoor heat exchanger, and the cross valve that present embodiment adopts is more than two;
Wherein: the a1 end of first cross valve 21 is in parallel with the a2 end of second cross valve 22, and is connected with the refrigerant exit of compressor 1; The c1 end of first cross valve 21 is connected with the i1 end of outdoor heat exchanger 3, first electric expansion valve 41, high-pressure liquid tube 9, first branch pipe 81 successively; The e1 end of first branch pipe 81 is connected with the g1 end of second electric expansion valve 42, first indoor heat exchanger 61 successively, and the f1 end of first branch pipe 81 is connected with the g2 end of the 3rd electric expansion valve 43, second indoor heat exchanger 62 successively;
The b1 end of first cross valve 21 is connected by the refluxing opening of capillary with compressor 1 with the b2 end back in parallel of second cross valve 22, and the d1 end of first cross valve 21 is connected with the i2 end of second branch pipe 82 by low pressure tracheae 10; The e2 end of second branch pipe 82 is connected with the h1 end of first magnetic valve 51, first indoor heat exchanger 61 successively, the f2 end of second branch pipe 82 is connected with the h2 end of the 3rd magnetic valve 53, second indoor heat exchanger 62 successively, and the d2 port of second cross valve 22 is connected with the refluxing opening of compressor 1.
The c2 end of second cross valve 22 is connected with the i3 end of the 3rd branch pipe 83 by high-pressure air pipe 11; The e3 end of the 3rd branch pipe 83 is connected with the h1 end of second magnetic valve 52, first indoor heat exchanger 61 successively, and the f3 end of the 3rd branch pipe 83 is connected with the h2 end of the 4th magnetic valve 54, second indoor heat exchanger 62 successively.
Outdoor heat exchanger 3 forms water source heat exchange closed circuit with storage tank 13, water pump 12.The equipment or the system that can provide suitable water source to store is provided storage tank 13.
The present invention in use, control first magnetic valve 51 by electric control gear, second magnetic valve 52, the 3rd magnetic valve 53, the conducting of the 4th magnetic valve 54 or close, and control first cross valve 21, the valve on-state of second cross valve 22, thereby switch compressor 1 and outdoor heat exchanger 3, the connection situation of first indoor heat exchanger 61 and second indoor heat exchanger 62, make first indoor heat exchanger 61 of whole air-conditioning system, second indoor heat exchanger 62 is in pure refrigeration mode or pure heating mode, perhaps make first indoor heat exchanger 61, second indoor heat exchanger 62 is realized the cooling and warming pattern simultaneously, and its operating condition is as follows:
1) the pure refrigeration mode of indoor heat exchanger:
By electric control gear control second magnetic valve 52, the 4th magnetic valve 54 is in closed condition, first magnetic valve 51, the 3rd magnetic valve 53 are in conducting state, the a1 of first cross valve 21 end is logical with the c1 termination, the a2 end of second cross valve 22 is logical with the d2 termination.At this moment, outdoor heat exchange machine 3 is as condenser, and first indoor heat exchanger 61, second indoor heat exchanger 62 are as evaporimeter.Refrigerant leads to first cross valve 21 from the refrigerant exit of compressor 1, through its a1 heat exchange machine 3 outside the inlet chamber behind the c1 port; Refrigerant is through passing through first electric expansion valve 41, high-pressure liquid tube 9 successively after the condensation, and the i1 that enters first branch pipe 81 holds, refrigerant passes through second electric expansion valve 42, the 3rd electric expansion valve 43 respectively after being shunted by the e1 of first branch pipe 81 end, f1 end, and enters the g1 end of first indoor heat exchanger 61, the g2 end of second indoor heat exchanger 62 respectively; After refrigerant evaporates through first indoor heat exchanger 61, second indoor heat exchanger 62, hold backflow from both h1 end, h2, hold through e2 end, the f2 that leads to second branch pipe 82 behind first magnetic valve 51, the 3rd magnetic valve 53 respectively, refrigerant is after second branch pipe 82 confluxes, enter low pressure tracheae 10 from its i2 end, thereby be back in the compressor 1.By the aperture that electric control gear is regulated first electric expansion valve 41, second electric expansion valve 42, the 3rd electric expansion valve 43, regulate the power of whole system refrigeration.
2) the pure heating mode of indoor heat exchanger:
By electric control gear control first magnetic valve 51, the 3rd magnetic valve 53 is in closed condition, second magnetic valve 52, the 4th magnetic valve 54 are in conducting state, the a2 of second cross valve 22 end is logical with the c2 termination, the c1 end of first cross valve 21 is logical with the d1 termination.At this moment, first indoor heat exchanger 61, second indoor heat exchanger 62 are as condenser, and outdoor heat exchange machine 3 is as evaporimeter.Refrigerant leads to second cross valve 22 from the refrigerant exit of compressor 1, the i3 that enters high-pressure air pipe 11, the 3rd branch pipe 83 through its a2 behind the c2 port successively holds, refrigerant is passed through second magnetic valve 52, the 4th magnetic valve 54 by the e3 of the 3rd branch pipe 83 end, the shunting of f3 end respectively behind the back, and enters the h1 end of first indoor heat exchanger 61, the h2 end of second indoor heat exchanger 62 respectively; Refrigerant through first indoor heat exchanger 61,62 condensations of second indoor heat exchanger after, hold backflow from both g1 end, g2, hold through e 1 end, the f1 that leads to first branch pipe 81 behind second electric expansion valve 42, the 3rd electric expansion valve 43 respectively, refrigerant is after first branch pipe 81 confluxes, enter high-pressure liquid tube 9 from its i1 end, enter first cross valve 21 again after the evaporation by outdoor heat exchanger 3, behind the d1 end, be back in the compression 1 through its c 1 end.By the aperture that electric control gear is regulated first electric expansion valve 41, second electric expansion valve 42, the 3rd electric expansion valve 43, regulate the power that whole system heats.
3) first indoor heat exchanger, 61 refrigeration, second indoor heat exchanger, 62 heating modes:
By electric control gear control first magnetic valve 51, the 4th magnetic valve 54 is in conducting state, second magnetic valve 52, the 3rd magnetic valve 53 are in closed condition, the valve of first cross valve 21, second cross valve 22 is regulated its on-state as required.
First kind of situation: the part refrigerant leads to first cross valve, 21, the first cross valves its a1 of connection of 21 elder generations to the c1 port from the refrigerant exit of compressor 1, and refrigerant enters outdoor heat exchange machine 3 thus; Pass through first electric expansion valve 41, high-pressure liquid tube 9 successively after the condensation of refrigerant process, and enter the e1 end of first branch pipe 81; Another part refrigerant leads to second cross valve 22, second cross valve 22 is connected its a2 earlier to the c2 port, refrigerant is thus by heat exchange machine 62 condensing heat-exchanges in d3 end, f3 and magnetic valve 54 inlet chambers of high-pressure air pipe 11, the 3rd branch pipe 83, and the f1 through electric expansion valve 43, arrival first branch pipe 81 after the refrigerant condensation holds; The two-way refrigerant converges at the i1 of first branch pipe 81 end, enters the g1 end of first indoor heat exchanger 61 by second electric expansion valve 42; After the evaporation through first indoor heat exchanger 61, successively by the e2 end of first magnetic valve 51, second branch pipe 82, enter low pressure tracheae 10 from its i2 end again, be back to compressor 1 then and continue compression by its h1 end.
Second kind of situation: refrigerant leads to second cross valve 22 from the refrigerant exit of compressor 1, second cross valve 22 is connected its a2 earlier to the c2 port, refrigerant is held, is flow to the 4th magnetic valve 54 by its f3 end by the i3 of high-pressure air pipe 11, the 3rd branch pipe 83 thus, and heat exchange machine 62 condensing heat-exchanges in the inlet chamber, arrive its i1 end through electric expansion valve 43, the f1 end that enters first branch pipe 81 after the refrigerant condensation; This moment, a part of refrigerant was by second electric expansion valve 42 and enter the g1 end of first indoor heat exchanger 61; After the evaporation of refrigerant through first indoor heat exchanger 61, successively by the e2 end of first magnetic valve 51, second branch pipe 82, enter low pressure tracheae 10 from its i2 end again by its h1 end; Another part refrigerant holds the d1 end to return compressor 1 by the refrigerant that high-pressure liquid tube 9, first electric expansion valve 41 enter after outdoor heat exchange machine 3 evaporation and heat-exchanges, the evaporation through the c1 of first cross valve 21 successively, and converges with the refrigerant of low pressure tracheae 10 and to enter compressor 1 from the refluxing opening of compressor 1 and continue compression.
When system boot of the present invention moved, the unlatching by electric control gear control water pump 12 made the water source of storage tank 13 and outdoor heat exchanger 3 carry out cycle heat exchange, in time reclaims the heat that outdoor heat exchanger 3 is produced, energy savings.
Claims (3)
1. a water resource heat pump three-tube type heat-reclamation multi-compressors air-conditioning system comprises compressor (1), cross valve, outdoor heat exchanger (3), water pump (12), storage tank (13), and more than one indoor heat exchanger, electric expansion valve, branch pipe and magnetic valve; Compressor (1) forms link circuit by cross valve, electric expansion valve, branch pipe, magnetic valve with outdoor heat exchanger (3), indoor heat exchanger, it is characterized in that described triple valve is more than two;
Wherein: the a1 end of first cross valve (21) is in parallel with the a2 end of second cross valve (22), and is connected with the refrigerant exit of compressor (1); The c1 end of first cross valve (21) is connected with the i1 end of outdoor heat exchanger (3), first electric expansion valve (41), high-pressure liquid tube (9), first branch pipe (81) successively; The e1 end of first branch pipe (81) is connected with the g1 end of second electric expansion valve (42), first indoor heat exchanger (61) successively, and the f1 end of first branch pipe (81) is connected with the g2 end of the 3rd electric expansion valve (43), second indoor heat exchanger (62) successively;
The b1 end of first cross valve (21) is connected by the refluxing opening of capillary with compressor (1) with the b2 end back in parallel of second cross valve (22), and the d1 end of first cross valve (21) is connected with the i2 end of second branch pipe (82) by low pressure tracheae (10); The e2 end of second branch pipe (82) is connected with the h1 end of first magnetic valve (51), first indoor heat exchanger (61) successively, the f2 end of second branch pipe (82) is connected with the h2 end of the 3rd magnetic valve (53), second indoor heat exchanger (62) successively, and the d2 port of second cross valve (22) is connected with the refluxing opening of compressor (1).
2. water resource heat pump three-tube type heat-reclamation multi-compressors air-conditioning system according to claim 1 is characterized in that the c2 end of described second cross valve (22) is connected with the i3 end of the 3rd branch pipe (83) by high-pressure air pipe (11); The e3 end of the 3rd branch pipe (83) is connected with the h1 end of second magnetic valve (52), first indoor heat exchanger (61) successively, and the f3 end of the 3rd branch pipe (83) is connected with the h2 end of the 4th magnetic valve (54), second indoor heat exchanger (62) successively.
3. water resource heat pump three-tube type heat-reclamation multi-compressors air-conditioning system according to claim 1 and 2 is characterized in that described outdoor heat exchanger (3) and storage tank (13), water pump (12) form link circuit.
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| CN2011100622896A CN102109203A (en) | 2011-03-15 | 2011-03-15 | Water source heat pump three-tube type heat recovery multi-online air conditioning system |
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| CN103353147A (en) * | 2013-06-28 | 2013-10-16 | 青岛海信日立空调系统有限公司 | Three-pipe-control total-heat-treating multi-split air conditioning system and independent temperature and humidity control method |
| CN103940139A (en) * | 2014-04-15 | 2014-07-23 | 珠海格力电器股份有限公司 | Heat recovery multi-split air conditioner and control method |
| CN104329836A (en) * | 2013-07-22 | 2015-02-04 | 广东美的暖通设备有限公司 | Refrigerant automatic recycling air conditioner system and control method thereof |
| CN104456731A (en) * | 2014-11-21 | 2015-03-25 | 特灵空调系统(中国)有限公司 | Multi-split air conditioner |
| CN104515195A (en) * | 2013-09-26 | 2015-04-15 | 海尔集团公司 | Air cooling multi-split air conditioner and control method thereof |
| CN104697054A (en) * | 2015-02-15 | 2015-06-10 | 四川长虹电器股份有限公司 | Temperature regulating system |
| CN105091392A (en) * | 2014-04-15 | 2015-11-25 | 珠海格力电器股份有限公司 | Heat recovery multi-split system and control method thereof |
| CN107238161A (en) * | 2017-07-25 | 2017-10-10 | 广东美的暖通设备有限公司 | Multiple on-line system and its mode switch control method |
| CN115235140A (en) * | 2022-06-23 | 2022-10-25 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
| CN115388479A (en) * | 2021-05-24 | 2022-11-25 | 松下电器研究开发(苏州)有限公司 | Air conditioning system |
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| CN104515195A (en) * | 2013-09-26 | 2015-04-15 | 海尔集团公司 | Air cooling multi-split air conditioner and control method thereof |
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| CN104697054A (en) * | 2015-02-15 | 2015-06-10 | 四川长虹电器股份有限公司 | Temperature regulating system |
| CN107238161A (en) * | 2017-07-25 | 2017-10-10 | 广东美的暖通设备有限公司 | Multiple on-line system and its mode switch control method |
| CN107238161B (en) * | 2017-07-25 | 2020-05-08 | 广东美的暖通设备有限公司 | Multi-split system and mode switching control method thereof |
| CN115388479A (en) * | 2021-05-24 | 2022-11-25 | 松下电器研究开发(苏州)有限公司 | Air conditioning system |
| CN115235140A (en) * | 2022-06-23 | 2022-10-25 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
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Application publication date: 20110629 |