CN101986063A - Multifunctional air-source hot-water and heat-pump unit with electronic expansion valves - Google Patents

Multifunctional air-source hot-water and heat-pump unit with electronic expansion valves Download PDF

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Publication number
CN101986063A
CN101986063A CN2010105543881A CN201010554388A CN101986063A CN 101986063 A CN101986063 A CN 101986063A CN 2010105543881 A CN2010105543881 A CN 2010105543881A CN 201010554388 A CN201010554388 A CN 201010554388A CN 101986063 A CN101986063 A CN 101986063A
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CN
China
Prior art keywords
valve
heat exchanger
pump
hot water
water
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Pending
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CN2010105543881A
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Chinese (zh)
Inventor
邵双全
戴兴泉
羊海龙
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YANGZHOU BIYUAN AIR-CONDITIONING EQUIPMENT Co Ltd
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YANGZHOU BIYUAN AIR-CONDITIONING EQUIPMENT Co Ltd
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Priority to CN2010105543881A priority Critical patent/CN101986063A/en
Publication of CN101986063A publication Critical patent/CN101986063A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a multifunctional air-source hot-water and heat-pump unit with electronic expansion valves. The multifunctional air-source hot-water and heat-pump unit comprises a compressor, a four-way valve, an outdoor heat exchanger, a first electronic expansion valve, an air-conditioning heat exchanger, a second electronic expansion valve, a hot-water heat exchanger and a first valve which are sequentially connected by a refrigerant pipeline; a second valve is connected at the two ends of a pipe section (at which the second electronic expansion valve, the hot-water heat exchanger and the first valve are arranged) of the refrigerant pipeline in parallel; an air blower is arranged at one side of the outdoor heat exchanger, a hot-water pump and an air-conditioning pump are respectively arranged at one side of the hot-water heat exchanger and one side of the air-conditioning heat exchanger. By using the unit of the invention, five operation modes can be realized, namely, independent refrigeration, independent heating, independent hot-water heating, refrigeration and hot-water heating, and heating and hot-water heating, thereby improving the regulation performance, operating efficiency and reliability of the unit; and low-grade heat energies in the air are used for meeting the service demands throughout the year, which improves the utilization rate and the efficiency of energy utilization, and reduces the environmental pollution.

Description

Adopt the multifunctional air source hot water and the source pump of electric expansion valve
Technical field
The present invention relates to the steam compression type refrigerating field of air conditioning and relate in particular to a kind of vapor compression heat pump unit that utilizes air can freeze, heat and provide the domestic hot-water.
Background technology
Air source heat pump adopts low-grade energy in the recycling outside atmosphere of steam compression type refrigerating for air-conditioning system provides the heat power equipment of Cooling and Heat Source, has obtained using widely in dwelling house and commercial building.Heat pump assembly can be produced the hot water or cold water and pass through air conditioning terminal as medium, perhaps directly carries hot and cold wind to the room, provides needed hot and cold amount to the room, thereby guarantees the thermal comfort in room.When summer cooling moves, in the room cooling, a large amount of condensation heat is discharged in the outside atmosphere environment and go, cause possible energy loss, also cause the thermal pollution of environment.
Because growth in the living standard is also more and more to domestic hot-water's demand, also hot-water boiler, gas heater or electric heater need be set in general family or the commercial building, increases Architectural Equipment cost and operating cost.Teat pump boiler also is to utilize the steam compression type refrigerating circulation to extract low grade heat energy from outside atmosphere to produce the domestic hot-water, also obtains gradually at present promoting.
Heat pump assembly and hot water apparatus are housed in dwelling house or the commercial building simultaneously, have increased cost of equipment, taken up room and operating cost.Especially heat pump air conditioner has identical operation principle with Teat pump boiler, has very strong repeatability.Needs for realizing that heat pump can satisfy refrigeration, heat can provide the domestic hot-water again, thereby improve usage ratio of equipment, since late 1970s, just have document to carry out relevant research work.But because this type of heat pump structure and control are complicated, operational reliability reduces, the actual effect of operation is unsatisfactory.Especially adopt capillary or heating power expansion valve to carry out in the system of throttling, system's controllability is poor, and sub-load efficient is low, the needs of incompatibility whole year operation.
Summary of the invention
Goal of the invention: the objective of the invention is provides a kind of multifunctional air source hot water and source pump that adopts electronic expansion valve controls at the deficiencies in the prior art, the utilization of low-grade energy in the recovery of realization condensation waste heat and the outdoor air, improve sub-load efficient, the domestic hot-water be freezed, be heated and provide to realization can by annual reliability service, reduce the cost of source pump, improve the utilization rate and the operational efficiency of source pump.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is:
A kind of multifunctional air source hot water and source pump that adopts electric expansion valve, the compressor, cross valve, outdoor heat exchanger, first segment electric expansion valve, air-condition heat exchanger, second electric expansion valve, hot water heat exchanger, first valve that are linked in sequence by refrigerant line, be parallel with second valve at these pipeline section two ends of second electric expansion valve, hot water heat exchanger and first valve, one side of outdoor heat exchanger is provided with blower fan, and a side of hot water heat exchanger and air-condition heat exchanger is respectively arranged with hot water water pump and air-conditioning water pump.Can realize separate refrigeration, heat separately, make domestic hot-water, refrigeration and domestic hot-water separately, heat and five kinds of operational modes such as domestic hot-water.
Described first valve and described second valve can be manually-operated gate or electrically operated valve, according to user's the selectable mounted valve type of actual use needs, make properties of product human nature words more.
Wherein, described first valve and described second valve can replace with a three-way valve.
Described three-way valve can be manually-operated gate, electrically operated valve or motor regulated valve
Wherein, described compressor can be constant volume compressor or variable conpacitance compressor.
Wherein, the multifunctional air source hot water of described employing electric expansion valve and source pump are monoblock type unit or the split type unit for being made of indoor set and off-premises station.
Wherein, described air-conditioning water pump and described hot water water pump are constant speed pump, speed-variable pump or variable delivery pump.
Wherein, described blower fan is to decide rotating speed blower fan or variable speed blower fan.
Wherein, described hot water heat exchanger and described air-condition heat exchanger can be plate type heat exchanger, double pipe heat exchanger, shell and tube exchanger etc.
Wherein, described outdoor heat exchanger can be finned tube heat exchanger or parallel-flow heat exchanger.
Beneficial effect:
Technique scheme of the present invention has following advantage: compare with air source hot pump water heater with the air source heat pump of routine, the present invention can efficiently utilize air source heat pump to freeze, heat and the domestic hot-water is provided the whole year, the operational efficiency and the reliability of air source heat pump system have been improved by electronic Expansion Valve Control, especially the performance during sub-load, have comfortable, energy-conserving and environment-protective, simple in structure, cost is low, highly versatile and reliability advantages of higher.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the multifunctional air source hot water of employing electric expansion valve of the present invention and source pump;
Fig. 2 is the structural representation of second embodiment of the multifunctional air source hot water of employing electric expansion valve of the present invention and source pump.
Wherein, 1: off-premises station; 2: blower fan; 3: compressor; 4: cross valve; 5: outdoor heat exchanger; 6: the first electric expansion valves; 7: the first valves; 8: the second electric expansion valves; 9: hot water heat exchanger; 10: the hot water water pump; 11: indoor set; 12: the second valves; 13: air-condition heat exchanger; 14: the air-conditioning water pump; 15: three-way valve
The specific embodiment
Face describes in further detail the specific embodiment of the present invention in conjunction with the accompanying drawings and embodiments.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Embodiment one
As shown in Figure 1, the structural representation of the multifunctional air source hot water of employing electric expansion valve of the present invention and first embodiment of source pump, the compressor 3 that is linked in sequence by refrigerant line, cross valve 4, outdoor heat exchanger 5, first electric expansion valve 6, air-condition heat exchanger 13, second electric expansion valve 8, hot water heat exchanger 9, first valve 7, at second electric expansion valve 8, hot water heat exchanger 9 and first valve, 7 these pipeline section two ends are parallel with second valve 12, one side of outdoor heat exchanger is provided with blower fan 2, and a side of hot water heat exchanger 9 and air-condition heat exchanger 13 is respectively arranged with hot water water pump 10 and air-conditioning water pump 14.Can realize separate refrigeration, heat separately, make domestic hot-water, refrigeration and domestic hot-water separately, heat and five kinds of operational modes such as domestic hot-water.
The multifunctional air source hot water of the employing electric expansion valve of present embodiment and source pump are when the separate refrigeration mode operation, cross valve 4 is pressed the refrigeration modes operation, be that a mouth is communicated with the c mouth, the b mouth is communicated with the d mouth, and first valve 7 is closed, and second valve 12 is opened, second electric expansion valve, 8 complete shut-downs, the operation of first electric expansion valve, 6 control systems, hot water water pump 10 cuts out, and air-conditioning water pump 14 is opened, blower fan 2 is opened.The high temperature and high pressure gaseous refrigerant that comes out from compressor 3 exhaust outlets through a of cross valve 4 mouth to the c mouth, flow into outdoor heat exchanger 5 again, in outdoor heat exchanger 5, be condensed into high temperature high pressure liquid to the air heat release, again through first segment electric expansion valve 6 throttlings becoming low-temp low-pressure gas-liquid two-phase fluid, flowing into air-condition heat exchanger 13 then absorbs the purpose of heat realization refrigeration and is evaporated to low-pressure gas from air-conditioner circulating water, get back to the b mouth of cross valve 4 to the d mouth through second valve 12 again, return the air entry of compressor 3, finish the steam compression type refrigerating circulation, realize utilizing the purpose that low grade heat energy freezes to air conditioner water in the outdoor air.
The multifunctional air source hot water of the employing electric expansion valve of present embodiment and source pump are when heating mode moves separately, cross valve 4 moves by the mode of heating, be that a mouth is communicated with the b mouth, the c mouth is communicated with the d mouth, and first valve 7 is closed, and second valve 12 is opened, second electric expansion valve 8 is closed, the operation of first electric expansion valve, 6 control systems, hot water water pump 10 cuts out, and air-conditioning water pump 14 is opened, blower fan 2 is opened.The high temperature and high pressure gaseous refrigerant that comes out from compressor 3 exhaust outlets through a of cross valve 4 mouth to the b mouth, flow to air-condition heat exchanger 13 through second valve 12 again, be condensed into high temperature high pressure liquid after heating air conditioner water therein, again through first electric expansion valve 6 throttlings the becoming low-temp low-pressure gas-liquid two-phase fluid, flowing into outdoor heat exchanger 5 then, to absorb heat of vaporization from outdoor air be low-pressure gas, the c mouth that passes through cross valve 4 again is to the d mouth, return the air entry of compressor 3, finish the steam compression type refrigerating circulation, realize utilizing the purpose that low grade heat energy heats to air conditioner water in the outdoor air.
The multifunctional air source hot water of the employing electric expansion valve of present embodiment and source pump are when making domestic hot-water's mode operation separately, cross valve 4 moves by the mode of heating, be that a mouth is communicated with the b mouth, the c mouth is communicated with the d mouth, first valve 7 is opened, second valve 12 is closed, second electric expansion valve, 8 standard-sized sheets, the operation of first electric expansion valve, 6 control systems, hot water water pump 10 is opened, and air-conditioning water pump 14 cuts out, blower fan 2 is opened.The high temperature and high pressure gaseous refrigerant that comes out from compressor 3 exhaust outlets through a of cross valve 4 mouth to the b mouth, flow to hot water heat exchanger 9 through first valve 7 again, be condensed into high temperature high pressure liquid after heating the domestic hot-water therein, through second electric expansion valve 8 and air-condition heat exchanger 13 (because air-conditioning water pump 14 cuts out, heat exchange hardly in air-condition heat exchanger 13), again through first segment electric expansion valve 6 throttlings becoming low-temp low-pressure gas-liquid two-phase fluid, flowing into outdoor heat exchanger 5 then absorbs heat and is evaporated to low-pressure gas from air, return the air entry of compressor 3 again through cross valve 4, finish the steam compression type refrigerating circulation, realize utilizing the purpose of low grade heat energy heating domestic hot-water in the outdoor air.Under this pattern, also can adopt first electric expansion valve, 6 standard-sized sheets, and the operation of second electric expansion valve, 8 control systems, circulation process is identical.
The multifunctional air source hot water of the employing electric expansion valve of present embodiment and source pump are when heating with domestic hot-water's mode operation, cross valve 4 moves by the mode of heating, be that a mouth is communicated with the b mouth, the c mouth is communicated with the d mouth, first valve 7 is opened, second valve 12 is closed, second electric expansion valve, 8 standard-sized sheets, the operation of first electric expansion valve, 6 control systems, hot water water pump 10 and air-conditioning water pump 14 are opened, blower fan 2 is opened.The high temperature and high pressure gaseous refrigerant that comes out from compressor 3 exhaust outlets through a of cross valve 4 mouth to the b mouth, flow to hot water heat exchanger 9 through first valve 7 again, heat the domestic hot-water rear section therein and be condensed into high temperature high pressure liquid, enter air-condition heat exchanger 13 through second electric expansion valve 8 again, heat air conditioner water therein and all be condensed into high temperature high pressure liquid, again through first electric expansion valve 6 throttlings the becoming low-temp low-pressure gas-liquid two-phase fluid, flowing into outdoor heat exchanger 5 then absorbs heat and is evaporated to low-pressure gas from air, the c mouth that passes through cross valve 4 again is to the d mouth, return the air entry of compressor 3, finish steam compression type refrigerating circulation, realize utilizing the purpose of low grade heat energy heating air conditioner water and domestic hot-water in the outdoor air.
The multifunctional air source hot water of the employing electric expansion valve of present embodiment and source pump are when refrigeration and domestic hot-water's mode operation, cross valve 4 moves by the mode of heating, be that a mouth is communicated with the b mouth, the c mouth is communicated with the d mouth, first valve 7 is opened, second valve 12 is closed, the operation of second electric expansion valve, 8 control systems, first electric expansion valve, 6 standard-sized sheets, hot water water pump 10 and air-conditioning water pump 14 are opened, blower fan 2 cuts out.The high temperature and high pressure gaseous refrigerant that comes out from compressor 3 exhaust outlets through a of cross valve 4 mouth to the b mouth, flow to hot water heat exchanger 9 through first valve 7 again, be condensed into high temperature high pressure liquid after heating the domestic hot-water therein, again through becoming the low-temp low-pressure gas-liquid two-phase fluid after 8 throttlings of second electric expansion valve, enter air-condition heat exchanger 13 then, cool off air conditioner water therein and be evaporated to low-pressure gas, again through first electric expansion valve 6 and outdoor heat exchanger 5, because blower fan 2 cuts out, heat exchange hardly in outdoor heat exchanger 5, the c mouth that passes through cross valve 4 again is to the d mouth, return the air entry of compressor 3, finish the steam compression type refrigerating circulation, reclaim condensation waste heat heating domestic hot-water's purpose when being implemented in refrigeration.Under this pattern, when cooling load hour, can partly open blower fan 2, outdoor heat exchanger 5 utilizes the condensation waste heat of refrigeration and outdoor low-grade heat source to realize heating domestic hot-water's purpose also as evaporimeter simultaneously
In the multifunctional air source hot water and source pump of the employing electric expansion valve of present embodiment, air-conditioning water pump 14 and hot water water pump 10 can be constant speed pump, speed-variable pump or variable delivery pump.
In the multifunctional air source hot water and source pump of the employing electric expansion valve of present embodiment, blower fan 2 is to decide rotating speed blower fan or variable speed blower fan.
In the multifunctional air source hot water and air conditioner and heat pump unit of present embodiment, hot water heat exchanger 9 and air-condition heat exchanger 13 can be plate type heat exchanger, double pipe heat exchanger, shell and tube exchanger etc.
In the multifunctional air source hot water and source pump of the employing electric expansion valve of present embodiment, outdoor heat exchanger 5 can be finned tube heat exchanger or parallel-flow heat exchanger.
In the multifunctional air source hot water and source pump of the employing electric expansion valve of present embodiment, first valve 7, second valve 12 can be manually-operated gate or electrically operated valve.
In the multifunctional air source hot water and source pump of the employing electric expansion valve of present embodiment, can make monolithic construction or split-type structural.Split-type structural is that compressor 3, cross valve 4, blower fan 2, outdoor heat exchanger 5, first electric expansion valve 6 are assembled into off-premises station 1, and hot water heat exchanger 9, hot water water pump 10, air-condition heat exchanger 13, air-conditioning water pump 14, first valve 7, second valve 12, second electric expansion valve 8 are assembled into indoor set 11, off-premises station 1 and indoor set 11 are connected by refrigerant line, can conveniently install, and off-premises station can be shared with common heat pump air conditioner.
Embodiment two
As shown in Figure 2, structural representation for second embodiment of the multifunctional air source hot water of employing electric expansion valve of the present invention and source pump, this embodiment is the improvement modification to first embodiment, wherein, first valve 7 and second valve 12 in the multifunctional air source hot water of the employing electric expansion valve of first embodiment and the source pump are replaced by three-way valve 15, by the minimizing of valve quantity, can simplify the structure and the control of system.
Under separate refrigeration and independent heating mode, the o mouth of three-way valve 15 and n mouth are communicated with, and the method for operation of miscellaneous part is constant.And independent system domestic hot-water, refrigeration and domestic hot-water, heat with domestic hot-water's pattern under, the o mouth of three-way valve 15 and the connection of m mouth, other methods of operation are constant.Three-way valve 15 also can be motor regulated valve, heat with domestic hot-water's pattern under, the o mouth is communicated with simultaneously with m mouth and n mouth, can change the distribution of hot water heating capacity and air-conditioning heating capacity by the adjusting of valve.
In the multifunctional air source hot water and source pump of the employing electric expansion valve of present embodiment, triple valve 15 can be manually-operated gate, electrically operated valve or motor regulated valve.

Claims (10)

1. a multifunctional air source hot water and source pump that adopts electric expansion valve, it is characterized in that: the compressor (3) that is linked in sequence by refrigerant line, cross valve (4), outdoor heat exchanger (5), first segment electric expansion valve (6), air-condition heat exchanger (13), second electric expansion valve (8), hot water heat exchanger (9), first valve (7), in second electric expansion valve (8), hot water heat exchanger (9) and these pipeline section two ends of first valve (7) are parallel with second valve (12), one side of outdoor heat exchanger is provided with blower fan (2), and a side of hot water heat exchanger (9) and air-condition heat exchanger (13) is respectively arranged with hot water water pump (10) and air-conditioning water pump (14).
2. the multifunctional air source hot water and the source pump of employing electric expansion valve according to claim 1 is characterized in that: described first valve (7) and described second valve (12) are manually-operated gate or electrically operated valve.
3. the multifunctional air source hot water and the source pump of employing electric expansion valve according to claim 1 is characterized in that: described first valve (7) and described second valve (8) replace with a three-way valve.
4. the multifunctional air source hot water and the source pump of employing electric expansion valve according to claim 3 is characterized in that: described three-way valve is manually-operated gate, electrically operated valve or motor regulated valve.
5. according to the multifunctional air source hot water and the source pump of claim 1 or the described employing electric expansion valve of claim 3, it is characterized in that: described compressor (3) is constant volume compressor or variable conpacitance compressor.
6. according to the multifunctional air source hot water and the source pump of claim 1 or the described employing electric expansion valve of claim 3, it is characterized in that: described unit is monoblock type unit or the split type unit for being made of indoor set and off-premises station.
7. according to the multifunctional air source hot water and the source pump of claim 1 or the described employing electric expansion valve of claim 3, it is characterized in that: described air-conditioning water pump (14) and described hot water water pump (10) are constant speed pump, speed-variable pump or variable delivery pump.
8. according to the multifunctional air source hot water and the source pump of claim 1 or the described employing electric expansion valve of claim 3, it is characterized in that: described blower fan (2) is for deciding rotating speed blower fan or variable speed blower fan.
9. according to the multifunctional air source hot water and the source pump of claim 1 or the described employing electric expansion valve of claim 3, it is characterized in that: described hot water heat exchanger (9) and described air-condition heat exchanger (13) are plate type heat exchanger, double pipe heat exchanger or shell and tube exchanger.
10. according to the multifunctional air source hot water and the source pump of claim 1 or the described employing electric expansion valve of claim 3, it is characterized in that: described outdoor heat exchanger (5) is finned tube heat exchanger or parallel-flow heat exchanger.
CN2010105543881A 2010-11-23 2010-11-23 Multifunctional air-source hot-water and heat-pump unit with electronic expansion valves Pending CN101986063A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102032713A (en) * 2010-12-23 2011-04-27 扬州碧源空调设备有限公司 Device for realizing water heating function of general heat pump air conditioner
CN104048403A (en) * 2013-03-11 2014-09-17 青岛经济技术开发区海尔热水器有限公司 Split warm air heat-pump water heater
CN105241119A (en) * 2015-10-30 2016-01-13 北京建筑大学 Multifunctional combined heat pump system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201402001Y (en) * 2009-05-22 2010-02-10 Tcl集团股份有限公司 Multifunctional air conditioner
CN201892345U (en) * 2010-11-23 2011-07-06 扬州碧源空调设备有限公司 Multi-functional air-source hot water and heat pump unit adopting electronic expansion valves

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201402001Y (en) * 2009-05-22 2010-02-10 Tcl集团股份有限公司 Multifunctional air conditioner
CN201892345U (en) * 2010-11-23 2011-07-06 扬州碧源空调设备有限公司 Multi-functional air-source hot water and heat pump unit adopting electronic expansion valves

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102032713A (en) * 2010-12-23 2011-04-27 扬州碧源空调设备有限公司 Device for realizing water heating function of general heat pump air conditioner
CN104048403A (en) * 2013-03-11 2014-09-17 青岛经济技术开发区海尔热水器有限公司 Split warm air heat-pump water heater
CN104048403B (en) * 2013-03-11 2019-08-06 青岛经济技术开发区海尔热水器有限公司 A kind of split type warm wind Teat pump boiler
CN105241119A (en) * 2015-10-30 2016-01-13 北京建筑大学 Multifunctional combined heat pump system

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Application publication date: 20110316