CN106016834A - Small-size user air source low-temperature heat pump - Google Patents

Small-size user air source low-temperature heat pump Download PDF

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Publication number
CN106016834A
CN106016834A CN201610553142.XA CN201610553142A CN106016834A CN 106016834 A CN106016834 A CN 106016834A CN 201610553142 A CN201610553142 A CN 201610553142A CN 106016834 A CN106016834 A CN 106016834A
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CN
China
Prior art keywords
heat pump
air source
valve
temperature heat
electromagnetic valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610553142.XA
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Chinese (zh)
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CN106016834B (en
Inventor
叶小平
郭山鸿
胡善
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGZHOU REALM ENERGY-SAVING EQUIPMENT Co Ltd
Original Assignee
GUANGZHOU REALM ENERGY-SAVING EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201610553142.XA priority Critical patent/CN106016834B/en
Publication of CN106016834A publication Critical patent/CN106016834A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04—Refrigeration circuit bypassing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/04—Clogging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/05—Cost reduction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves

Abstract

The invention discloses a small-size user air source low-temperature heat pump. The small-size user air source low-temperature heat pump comprises a compressor, a condenser, a liquid storage device, a drying filter, a liquid viewing mirror, a first electromagnetic valve, a first expansion valve, a heat exchanger, a second electromagnetic valve, a second expansion valve, a flash evaporator, a gas-liquid separation device and a one-way valve. According to the small-size user air source low-temperature heat pump, a traditional heating structure is optimized, the large-caliber flash evaporator is added, original capillary tubes are removed, and the electronic expansion valves are adopted to simulate the capillary tubes, so that the amount of refrigerating agents in the flash evaporator is decreased; the one-way valve is connected to a flash evaporator pipeline where the refrigerating agents flow out in parallel, so that an efficient and precise throttling effect is achieved, the heating amount and the heating efficiency of the heat pump used in a low-temperature environment are improved, and thus a system has a higher cold-heat ratio; and the liquid viewing mirror is arranged on a conveying pipeline, and an operator can observe the interior flowing situation of the pipelines through the liquid viewing mirror, so that the pipelines are effectively prevented from being blocked.

Description

A kind of small user's air source low-temperature heat pump
Technical field
The present invention relates to a kind of hot pump in low temp, be specially a kind of small user's air source low-temperature heat pump, belong to energy source use skill Art field.
Background technology
Low-temperature air source heat pump is often to use at cold district, utilizes cryogenic compressor to reach efficient cryogenic environmental-protection refrigeration Effect, heating energy efficiency ratio regular air source source pump is much higher at low temperatures, and low form net for air-source heat pump units is at environment When temperature declines to a great extent, heating capacity decay is seldom, it is possible to ensure heating effect, by marketing users general just apply cold in the winter time Area rooms heat supply and produce domestic hot-water, however current low-temperature air source heat pump to there is restriction effect poor, Easily cause energy waste, heating capacity and heating efficiency relatively low, heat program relatively complicated, line clogging easily occurs Situation, and control valve is the most single, and control ability is limited.Therefore, for the problems referred to above, a kind of small user is proposed empty Source of the gas hot pump in low temp.
Summary of the invention
The purpose of the present invention is that provides a kind of small user's air source low-temperature heat pump to solve the problems referred to above.
The present invention is achieved through the following technical solutions above-mentioned purpose, and a kind of small user's air source low-temperature heat pump, including pressure Contracting machine and described compressor connect condenser, and condenser connects reservoir；Described reservoir connects device for drying and filtering, And device for drying and filtering side arranges liquid-sighting glass；Described liquid-sighting glass side arranges the first electromagnetic valve, and the first electromagnetic valve connects the One expansion valve；Described first expansion valve one end arranges heat exchanger, and heat exchanger top arranges check valve；Described heat exchanger side Wall connects the second electromagnetic valve, and second electromagnetic valve one end connects the second expansion valve；Described second expansion valve side arranges flash distillation Device, and flash vessel connection gas-liquid separator.
Preferably, described compressor connects described gas-liquid separator by conduit.
Preferably, it is interconnected between described heat exchanger and described compressor inside, and in parallel between compressor and heat exchanger There is check valve.
Preferably, described heat exchanger top is connected to described first electromagnetic valve front end by conduit.
Preferably, described first electromagnetic valve, described second electromagnetic valve be separately positioned on described first expansion valve, described second The front end of expansion valve.
The invention has the beneficial effects as follows: this kind of hot pump in low temp adds a bigbore flash distillation in conventional heating in structure Device, thus improve the speed of gas evaporation, add the effect of gas-liquid separation, and remove original capillary tube, And use electric expansion valve to simulate original capillary tube, thus reduce in flash vessel required refrigerant amount, reduce use The interpolation number of times of cost and cold-producing medium, meets the use demand of small user；On the pipeline that cold-producing medium flows out flash vessel also It is associated with check valve, outflow process can be controlled by check valve, thus reach the throttling purpose of efficiently and accurately；Logical Cross and electromagnetic valve is set and expansion valve carrys out the heat exchange rate under Reasonable Regulation And Control different temperatures, and by the cooperation between each valve Reach optimal conveying effect, thus improve heating capacity and the heating efficiency of heat pump when low temperature environment is applied, make system gather around There is higher cold and hot ratio；Being provided with liquid-sighting glass on conveyance conduit, operator observe the circulation of pipe interior by liquid-sighting glass Situation, thus effectively prevent the phenomenon of line clogging, there are good economic benefit and social benefit, are suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
In figure: 1, compressor, 2, condenser, 3, reservoir, 4, device for drying and filtering, 5, liquid-sighting glass, 6, first Electromagnetic valve, the 7, first expansion valve, 8, heat exchanger, the 9, second electromagnetic valve, the 10, second expansion valve, 11, flash vessel, 12, gas-liquid separator, 13, check valve.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Ground describes, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Base Embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under not making creative work premise Other embodiments, broadly fall into the scope of protection of the invention.
Refer to shown in Fig. 1, a kind of small user's air source low-temperature heat pump, connect including compressor 1 and described compressor 1 Connect condenser 2, and condenser 2 connects reservoir 3；Described reservoir 3 connects device for drying and filtering 4, and device for drying and filtering 4 one Side arranges liquid-sighting glass 5；Described liquid-sighting glass 5 side arranges the first electromagnetic valve 6, and the first electromagnetic valve 6 connects the first expansion valve 7； Described first expansion valve 7 one end arranges heat exchanger 8, and heat exchanger 8 top arranges check valve 13；Described heat exchanger 8 sidewall is even Connect the second electromagnetic valve 9, and second electromagnetic valve 9 one end connects the second expansion valve 10；Described second expansion valve 10 side arranges sudden strain of a muscle Steaming device 11, and flash vessel 11 connects gas-liquid separator 12.
As a kind of technical optimization scheme of the present invention, described compressor 1 connects described gas-liquid separator 12 by conduit, Realize gas-liquid separation.
As a kind of technical optimization scheme of the present invention, it is interconnected between described heat exchanger 8 and described compressor 1 inside, And between compressor 1 and heat exchanger 8, it is parallel with check valve 13, increase the heat exchange efficiency of device.
As a kind of technical optimization scheme of the present invention, described heat exchanger 8 top is connected to described first electromagnetism by conduit Valve 6 front end, it is achieved loop control.
As a kind of technical optimization scheme of the present invention, described first electromagnetic valve 6, described second electromagnetic valve 9 are separately positioned on The front end of described first expansion valve the 7, second expansion valve 10, it is possible to save refrigerant amount, reduces use cost.
The present invention in use, turns on the power switch, and compressor 1 is started working, and now hot-air is freezed by condenser 2, Storing subsequently into reservoir 3 is internal, when it is desired to be used, open liquid storage switch, the coldest liquid enters dry filter Device 4 filters, and is then transferred to heat exchanger 8 by circulation duct internal, can pass through the first electromagnetic valve 6 in transmittance process With the first expansion valve 10, input process is controlled, after heat exchanger 8 inter-process, is circulated to flash vessel 11 and gas-liquid In separator 12, the gas after separation enters compressor 1 and is compressed, and so circulates work.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and not In the case of deviating from the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, nothing Opinion from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention by Claims rather than described above limit, it is intended that will fall in the implication of equivalency of claim and scope Interior all changes are included in the present invention.Should not be considered as limiting involved power by any reference in claim Profit requirement.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only comprises One independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should Description can also be formed people in the art through appropriately combined as an entirety, the technical scheme in each embodiment Member may be appreciated other embodiments.

Claims (5)

1. small user's air source low-temperature heat pump, it includes that compressor (1) and described compressor (1) connect condensation Device (2), it is characterised in that: described condenser (2) connects reservoir (3)；Described reservoir (3) connects dried Filter (4), and device for drying and filtering (4) side arranges liquid-sighting glass (5)；Described liquid-sighting glass (5) side arranges the first electricity Magnet valve (6), and the first electromagnetic valve (6) connects the first expansion valve (7)；Described first expansion valve (7) one end arranges and changes Hot device (8), and heat exchanger (8) top arranges check valve (13)；Described heat exchanger (8) sidewall connects the second electromagnetic valve , and the second electromagnetic valve (9) one end connects the second expansion valve (10) (9)；Described second expansion valve (10) side is arranged Flash vessel (11), and flash vessel (11) connection gas-liquid separator (12).
A kind of small user's air source low-temperature heat pump the most according to claim 1, it is characterised in that: described compressor (1) Described gas-liquid separator (12) is connected by conduit.
A kind of small user's air source low-temperature heat pump the most according to claim 1, it is characterised in that: described heat exchanger (8) And it is interconnected between described compressor (1) inside, and is parallel with check valve between compressor (1) and heat exchanger (8) (13)。
A kind of small user's air source low-temperature heat pump the most according to claim 1, it is characterised in that: described heat exchanger (8) Top is connected to described first electromagnetic valve (6) front end by conduit.
A kind of small user's air source low-temperature heat pump the most according to claim 1, it is characterised in that: described first electromagnetic valve (6), described second electromagnetic valve (9) is separately positioned on described first expansion valve (7), described second expansion valve (10) Front end.
CN201610553142.XA 2016-07-12 2016-07-12 A kind of small user's air source low-temperature heat pump Active CN106016834B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106016834B CN106016834B (en) 2018-06-05

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006087549A2 (en) * 2005-02-16 2006-08-24 Abdulsalam Al-Mayahi Heat engines and compressors
CN201100783Y (en) * 2007-09-30 2008-08-13 无锡同方人工环境有限公司 Thermal pump unit with electronic swelling valve and capillary flow saving device
CN201340142Y (en) * 2008-07-23 2009-11-04 无锡同方人工环境有限公司 Heat pump unit using flash evaporator to supplement air
CN201876021U (en) * 2010-08-04 2011-06-22 珠海格力节能环保制冷技术研究中心有限公司 Flash evaporator and heat pump system employing the same
CN102135341A (en) * 2010-01-25 2011-07-27 上海日立电器有限公司 Capacity-adjustable heat pump air-conditioning system with refrigerant release and enthalpy-adding loops
CN204187826U (en) * 2014-09-28 2015-03-04 广东日出东方空气能有限公司 Air source hot pump water heater
CN205066260U (en) * 2015-09-13 2016-03-02 华南理工大学 Be applied to two -way spiral flash vessel that tonifying qi increases enthalpy heat pump air conditioning system
CN205351844U (en) * 2016-01-06 2016-06-29 广东美的制冷设备有限公司 Changes in temperature type air conditioning system and single cold mould air conditioning system
CN205878681U (en) * 2016-07-12 2017-01-11 广州瑞姆节能设备有限公司 Small user's air source low temperature heat pump

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006087549A2 (en) * 2005-02-16 2006-08-24 Abdulsalam Al-Mayahi Heat engines and compressors
CN201100783Y (en) * 2007-09-30 2008-08-13 无锡同方人工环境有限公司 Thermal pump unit with electronic swelling valve and capillary flow saving device
CN201340142Y (en) * 2008-07-23 2009-11-04 无锡同方人工环境有限公司 Heat pump unit using flash evaporator to supplement air
CN102135341A (en) * 2010-01-25 2011-07-27 上海日立电器有限公司 Capacity-adjustable heat pump air-conditioning system with refrigerant release and enthalpy-adding loops
CN201876021U (en) * 2010-08-04 2011-06-22 珠海格力节能环保制冷技术研究中心有限公司 Flash evaporator and heat pump system employing the same
CN204187826U (en) * 2014-09-28 2015-03-04 广东日出东方空气能有限公司 Air source hot pump water heater
CN205066260U (en) * 2015-09-13 2016-03-02 华南理工大学 Be applied to two -way spiral flash vessel that tonifying qi increases enthalpy heat pump air conditioning system
CN205351844U (en) * 2016-01-06 2016-06-29 广东美的制冷设备有限公司 Changes in temperature type air conditioning system and single cold mould air conditioning system
CN205878681U (en) * 2016-07-12 2017-01-11 广州瑞姆节能设备有限公司 Small user's air source low temperature heat pump

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