CN101968243A - Air source heat pump device capable of simultaneously preparing double-temperature water and driving method thereof - Google Patents

Air source heat pump device capable of simultaneously preparing double-temperature water and driving method thereof Download PDF

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Publication number
CN101968243A
CN101968243A CN 201010290308 CN201010290308A CN101968243A CN 101968243 A CN101968243 A CN 101968243A CN 201010290308 CN201010290308 CN 201010290308 CN 201010290308 A CN201010290308 A CN 201010290308A CN 101968243 A CN101968243 A CN 101968243A
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China
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radiation
new wind
valve
refrigerating medium
heat exchanger
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CN 201010290308
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Chinese (zh)
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CN101968243B (en
Inventor
陈九法
朱晟
徐相梅
安二铭
乔卫来
郑红旗
赵大友
殷浩
Original Assignee
东南大学
江苏高科应用科学研究所有限公司
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Publication of CN101968243A publication Critical patent/CN101968243A/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]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Abstract

The invention discloses a compression type double-working condition air source heat pump device used for preparing vapor of different evaporation temperatures or different condensation temperatures and a driving method thereof, which realizes that one heat pump can be used in a situation required for two different refrigerating or heating temperatures. The typical heat pump mainly comprises a refrigerant cycle (including compressors, a four-way valve, an outdoor heat exchanger, a throttle mechanism, a one-way valve, a liquid accumulator, a secondary refrigerant heat exchanger and the like) and a secondary refrigerant cycle (including a water pump, an electromagnetic valve, an energy-accumulating water tank, a by-pass valve and the like). The refrigerant cycle can prepare different evaporation (condensation) temperatures based on the two integrally-controlled compressors, and the matching with the secondary refrigerant cycle can realize the different user-side refrigerating (heating) requirements. The invention provides a feasible scheme for an air-conditioning system which has the functions of radiation end refrigerating/heating required for different evaporation (condensation) temperatures and fresh air treatment to improve the comfort of common users, and the heat pump system has the advantages of simple structure, reliable performance, high operating efficiency and adjustable load.

Description

Produce the heat pump apparatus of air source and the driving method of two temperature water simultaneously
Technical field
The present invention relates to a kind of air source heat pump technology of producing two temperature water novel the time, specifically relate to a kind of refrigerating medium that utilizes the steam compression type refrigeration circulation to produce two temperature, the different integrated form two-shipper head heat pump assemblies that freeze or heat the temperature occasion of the demand that is applied to belong to the refrigerating machine field.
Background technology
Along with the industrial development of current society and the raising of people's living standard, the occasion of industrial production and human settlements life requirement different temperatures refrigeration, heating mode is also more and more.But industrial circle generally lacks the technology that the many temperature of unit are freezed, heated at present.In the face of in the productive life difference being freezed, when heating the specific requirement of temperature, is often adopted the method for some compromises on the engineering.For example, for the different cryogenic temperature occasions of demand, adopt the method for some compromises on the engineering, such as the refrigerating medium of producing lower temperature earlier, part low temperature refrigerating medium is directly used in refrigeration, and another part refrigerating medium then obtains the refrigerating medium of higher temperature by Intermediate Heat Exchanger, and this method has reduced the evaporating temperature of producing the high temperature refrigerating medium, increase the compressor power consumption, increased irreversible loss; Simultaneously, be difficult to realize that the load of low cryogenic temperature and higher cryogenic temperature load are regulated respectively.
Simultaneously, along with the raising of expanding economy and people's living standard, the building air conditioning energy consumption constantly increases, and people also increase to air conditioning comfortableness and indoor air quality requirement.The radiation end is adopted air-conditioning system that changes in temperature cooperate new wind to handle and is considered to a kind of economy, energy-conservation, air-conditioning system pattern that comfortableness is good and obtains research gradually and use.The radiation end is adopted changes in temperature and is meant by changing the temperature on ceiling, body of wall or floor in the building enclosure, forms radiating surface, relies on the radiant heat exchange between this radiating surface and human body, thermal source, furniture and all the other building enclosure surfaces, reaches the technology of refrigerating/heating effect.The radiation end is adopted changes in temperature and is cooperated the air-conditioning system of new wind processing can reduce the vertical thermograde of room air effectively, improves thermal comfort, and the also more conventional air system of indoor air velocity is low, and the air-treatment energy consumption reduces because of air output reduces greatly.
The present invention is specially adapted to this radiation end and adopts the air-conditioning system that changes in temperature cooperate new wind to handle.Be to satisfy the demand of user at present on the engineering to this air-conditioning form, two kinds of methods of main employing, a kind of method is installed two cover source pump respectively at radiation and new wind end, said method not only cost is high, and complete independent operating between the unit, two different loads of Coordination Treatment mutually, two units also are difficult to realize the integrated ground control and management.Another kind method adopts a cover unit, produces lower temperature water by low evaporating temperature during refrigeration, and a part of water is used for the fresh air dehumidification cooling, and the water that another part water is produced higher temperature by Intermediate Heat Exchanger is used for the radiation end and adopts cold; Produce higher temperature water by high condensation temperature when heating, a part of water is used for new wind heating, and the water that another part water is produced lower temperature by Intermediate Heat Exchanger is used for the terminal heating of radiation.The method that this employing Intermediate Heat Exchanger is produced the terminal water of radiation has caused the energy loss of significant proportion, causes the COP of system (Energy Efficiency Ratio) low, and can't realize the function of Coordination Treatment load.Produce 7 ℃ earlier the new air cooling required water that dehumidifies got in return the theoretical COP of the terminal cold water of 18 ℃ of radiation again through intermediate plate to use cold-producing medium R22, refrigerating medium water to be example, to compare, unit is directly produced 18 ℃ the terminal cold water of radiation, and to calculate theoretical COP big by 52.6%; Produce 45 ℃ earlier new wind heated required water is got the terminal hot water of 32 ℃ of radiation again in return through intermediate plate theoretical COP and compare, unit is directly produced 32 ℃ the terminal hot water of radiation, and to calculate theoretical COP big by 40.1%.
Summary of the invention
Technical problem: the technical problem to be solved in the present invention provides a kind of heat pump apparatus of air source of producing two kinds of temperature water simultaneously, realized the function of an operation of heat pump duplex condition, and overcome the deficiencies in the prior art part, have energy-efficient, be easy to integrated form control, and can the associated treatment load etc. characteristics.
Technical scheme: for solving the problems of the technologies described above, the heat pump apparatus of air source of producing two temperature water simultaneously provided by the invention is:
This heat pump comprises the separate fresh air refrigerating agent circulatory system and the radiation refrigeration agent circulatory system, the new wind refrigerating medium circulatory system that intercouples and the radiation refrigerating medium circulatory system, wherein,
The fresh air refrigerating agent circulatory system is used for producing the new wind refrigerating medium of low temperature when refrigeration, produce the new wind refrigerating medium of high temperature when heating, the described fresh air refrigerating agent circulatory system comprises: new ventilating compressor, new wind cross valve, new air compartment external heat exchanger, new wind throttle mechanism, new wind check valve, new wind refrigerating medium heat exchanger, new wind reservoir; The outlet of new ventilating compressor links to each other with the import a of new wind cross valve end, the outlet b end of new wind cross valve links to each other with the import of new air compartment external heat exchanger, the outlet of new air compartment external heat exchanger links to each other with the import of new wind throttle mechanism, new wind throttle mechanism links to each other with the import of new wind reservoir by new wind check valve, another road of new wind throttle mechanism also links to each other with the import of new wind refrigerating medium heat exchanger by new wind check valve, and the outlet of new wind refrigerating medium heat exchanger links to each other with the import of new ventilating compressor by the outlet c of new wind cross valve;
The new wind refrigerating medium circulatory system comprises the first new wind bypath valve, new geomantic omen pump, new wind-powered electricity generation magnet valve, new wind energy-accumulating water tank, the second new wind bypath valve, and the new wind refrigerating medium heat exchanger shared with the fresh air refrigerating agent circulatory system, wherein, the outlet of the first new wind bypath valve links to each other with the pump inlet of new geomantic omen, new geomantic omen pump discharge links to each other with the import of new wind-powered electricity generation magnet valve, the outlet of new wind-powered electricity generation magnet valve links to each other with the import of new wind energy-accumulating water tank, the outlet of new wind energy-accumulating water tank links to each other with the second new wind bypath valve import, the import of new wind refrigerating medium heat exchanger links to each other with new geomantic omen delivery side of pump, and the outlet of new wind refrigerating medium heat exchanger links to each other with the import of new wind energy-accumulating water tank;
The radiation refrigeration agent circulatory system is used for producing the hyperthermia radiation cold-producing medium when refrigeration, produce the low-temp radiating refrigerating medium when heating, the described radiation refrigeration agent circulatory system comprises: the radiation compressor, the radiation cross valve, the radiation chamber external heat exchanger, the radiation throttle mechanism, the radiation check valve, the radiation reservoir, radiation refrigerating medium heat exchanger, wherein, the radiation compressor outlet links to each other with radiation cross valve import a ' end, radiation cross valve outlet b ' end links to each other with the import of radiation chamber external heat exchanger, the outlet of radiation chamber external heat exchanger links to each other with the import of radiation throttle mechanism, the outlet of radiation throttle mechanism links to each other with the import of radiation reservoir by the radiation check valve, the outlet of radiation throttle mechanism also links to each other with the import of radiation refrigerating medium heat exchanger by the radiation check valve, and the outlet of radiation refrigerating medium heat exchanger links to each other with the import of radiation compressor by the outlet of radiation cross valve;
The radiation refrigerating medium circulatory system comprises the first radiation bypath valve, radiation water pump, radiation electric magnet valve, energy-accumulating water tank, the second radiation bypath valve and the radiation refrigerating medium heat exchanger shared with the radiation refrigeration agent circulatory system; Wherein, the outlet of the first radiation bypath valve links to each other with the import of radiation water pump, the outlet of radiation water pump links to each other with the import of radiation electric magnet valve, the outlet of radiation electric magnet valve links to each other with the import of radiation energy-accumulating water tank, the outlet of radiation energy-accumulating water tank links to each other with the import of the second radiation bypath valve, the import of radiation refrigerating medium heat exchanger links to each other with the outlet of radiation water pump, and the outlet of radiation refrigerating medium heat exchanger links to each other with the import of radiation energy-accumulating water tank;
Fresh air refrigerating agent and new wind refrigerating medium carry out exchange heat in new wind refrigerating medium heat exchanger,
Radiation refrigeration agent and radiation refrigerating medium carry out exchange heat in radiation refrigerating medium heat exchanger,
The new wind refrigerating medium circulatory system and the radiation refrigerating medium circulatory system are of coupled connections by the first coupling magnetic valve, the second coupling magnetic valve place refrigerating medium branch road.
The driving method of producing the heat pump apparatus of air source of two temperature water simultaneously is: the outlet of new ventilating compressor connects the input a end of new wind cross valve, the output d end of new wind cross valve connects the import of new ventilating compressor, when starting cooling condition, new wind cross valve starts refrigeration and sets, be input a and output b conducting, input c and output d conducting, the fresh air refrigerating agent new air compartment external heat exchanger of flowing through successively, new wind throttle mechanism, new wind check valve, the new new wind refrigerating medium of wind heat exchanger, the new wind cross valve of warp enters the inlet air entry of compressor again; When startup heats setting, new wind cross valve starts and heats setting, i.e. input a and output c conducting, input b and output d conducting, the fresh air refrigerating agent new wind refrigerating medium heat exchanger of flowing through successively, reservoir, check valve, throttle mechanism, outdoor heat exchanger enters the compressor air suction mouth through cross valve again;
The radiation compressor outlet connects the input a ' end of radiation cross valve, output d ' the end of radiation cross valve connects compressor inlet, when the running refrigerating operating mode, the radiation cross valve starts refrigeration to be set, i.e. input a ' and output b ' conducting, input c ' and output d ' conducting, the radiation refrigeration agent radiation chamber external heat exchanger of flowing through successively, radiation throttle mechanism, radiation check valve, radiation refrigerating medium heat exchanger enters radiation compressor air entry c ' through the radiation cross valve again; When the operation heating condition, the startup of radiation cross valve heats setting, be input a ' and output c ' conducting, input b ' and output d ' conducting, the radiation refrigeration agent radiation refrigerating medium heat exchanger of flowing through successively, radiation reservoir, radiation check valve, radiation throttle mechanism, the radiation chamber external heat exchanger enters the inlet air entry of radiation compressor again through the radiation cross valve;
In the new wind refrigerating medium circulatory system, new wind refrigerating medium circulates under the driving of new geomantic omen pump, the new wind refrigerating medium first new wind-powered electricity generation magnet valve of flowing through successively, new geomantic omen pump, flow into new wind refrigerating medium heat exchanger and fresh air refrigerating agent heat exchange again, flow into new wind energy-accumulating water tank afterwards, flow out through the second new wind-powered electricity generation magnet valve;
In the radiation refrigerating medium circulatory system, the radiation refrigerating medium circulates under the driving of radiation water pump, the radiation refrigerating medium first radiation electric magnet valve of flowing through successively, the radiation water pump, flow into radiation refrigerating medium heat exchanger and radiation refrigeration agent heat exchange again, flow into the radiation energy-accumulating water tank afterwards, flow out through the second radiation electric magnet valve;
The new wind refrigerating medium circulatory system and the radiation refrigerating medium circulatory system are come switched path by the switching of the magnetic valve first new wind bypath valve, the second new wind bypath valve, the first radiation bypath valve, the second radiation bypath valve, the first coupling magnetic valve, the second coupling magnetic valve, realize that energy is adjustable.
Beneficial effect:
(1) the present invention's refrigerating medium that can produce two kinds of temperature respectively is used to satisfy different cryogenic temperatures or the different demand that heats temperature, adopts the air-conditioning system that changes in temperature cooperate new wind to handle for the user provides the higher radiation end of a kind of comfort level.
(2) the present invention passes through the setting to the aperture of throttle mechanism, obtains different evaporating temperature/condensation temperatures; Switching by waterway electromagnetic valve comes waterway switching; Cooperate the mode of waterway switching to realize that the load of invariable frequency compressor unit is adjustable by regulating evaporating temperature/condensation temperature.
(3) the present invention realizes the load offloading functions of invariable frequency compressor by the effect by-passing part refrigerating medium of bypath valve.
(4) the present invention can obtain the refrigerating medium supply end prod of temperature stabilization by the effect of energy-accumulating water tank.
(5) two cold-producing medium circulations of the present invention backup each other, and play the redundant effect of safety.
Description of drawings
Fig. 1 is a structured flowchart of producing the heat pump apparatus of air source of two temperature water simultaneously provided by the invention;
Fig. 2 is the structured flowchart of a kind of duty of the present invention, i.e. the new wind throttle mechanism 4 of fresh air refrigerating agent circulation starts, and new wind is set aperture, and the radiation throttle mechanism 12 of radiation refrigeration agent circulation starts radiation and sets aperture;
Fig. 3 is the structured flowchart of second kind of duty of the present invention, be that new wind load is less, when radiation load was big, the new wind throttle mechanism 4 of fresh air refrigerating agent circulation among the present invention's this moment switches radiation set aperture, and the radiation throttle mechanism 12 of radiation refrigeration agent circulation starts radiation and sets aperture;
Fig. 4 is the structured flowchart of the third duty of the present invention, be that new wind load is bigger, radiation load hour, the new wind throttle mechanism 4 of fresh air refrigerating agent circulation among the present invention's this moment starts new wind and sets aperture, the radiation throttle mechanism 12 of radiation refrigeration agent circulation opens and switches new wind and set aperture;
Wherein new ventilating compressor 1, new wind cross valve 2, a wherein, c is an input, b, d is an output, new air compartment external heat exchanger 3, new wind throttle mechanism 4, new wind check valve 5, new wind refrigerating medium heat exchanger 6, new wind check valve 7, new wind reservoir 8, the first new wind bypath valve 17, the second new wind bypath valve 21, new wind-powered electricity generation magnet valve 19, new geomantic omen pump 18, new wind energy-accumulating water tank 20, radiation compressor 9, the radiation cross valve, a ' wherein, c ' is an input, b ', d ' is an output, 10, radiation chamber external heat exchanger 11, radiation throttle mechanism 12, radiation check valve 13, radiation refrigerating medium heat exchanger 14, radiation check valve 15, radiation reservoir 16, radiation electric magnet valve 24, the first radiation bypath valve 22, the second radiation bypath valve 26, radiation water pump 23, radiation energy-accumulating water tank 25, the first coupling magnetic valve 27, the second coupling magnetic valve 28.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing.
The heat pump apparatus of air source of producing two temperature water novel time the provided by the invention comprises the fresh air refrigerating agent circulatory system, the radiation refrigerating medium circulatory system, and new wind refrigerating medium system that intercouples and radiation refrigerating medium system.
The fresh air refrigerating agent circulatory system is used for producing the new wind refrigerating medium of low temperature when refrigeration, produce the new wind refrigerating medium of high temperature when heating, the described fresh air refrigerating agent circulatory system comprises: new ventilating compressor 1, new wind cross valve 2, new air compartment external heat exchanger 3, new wind throttle mechanism 4, new wind check valve 5, new wind refrigerating medium heat exchanger 6, new wind reservoir 8; The outlet of new ventilating compressor 1 links to each other with the import a of new wind cross valve 2 end, the outlet b end of new wind cross valve 2 links to each other with the import of new air compartment external heat exchanger 3, the outlet of new air compartment external heat exchanger 3 links to each other with the import of new wind throttle mechanism 4, new wind throttle mechanism 4 links to each other with the import of new wind reservoir 8 by new wind check valve 7, the road in addition of new wind throttle mechanism 4 also links to each other with 6 imports of new wind refrigerating medium heat exchanger by new wind check valve 5, and the outlet of new wind refrigerating medium heat exchanger links to each other with the import of new ventilating compressor 1 by the outlet c of new wind cross valve 2;
The new wind refrigerating medium circulatory system comprises the first new wind bypath valve 17, new geomantic omen pump 18, new wind-powered electricity generation magnet valve 19, new wind energy-accumulating water tank 20, the second new wind bypath valve 21, and the new wind refrigerating medium heat exchanger 6 shared with the fresh air refrigerating agent circulatory system, wherein, the outlet of the first new wind bypath valve 17 links to each other with pump 18 imports of new geomantic omen, pump 18 outlets in new geomantic omen link to each other with the import of new wind-powered electricity generation magnet valve 19, the outlet of new wind-powered electricity generation magnet valve 19 links to each other with new wind energy-accumulating water tank 20 imports, the outlet of new wind energy-accumulating water tank 20 links to each other with second new wind bypath valve 21 imports, the import of new wind refrigerating medium heat exchanger 6 links to each other with the outlet of new geomantic omen pump 18, and the outlet of new wind refrigerating medium heat exchanger 6 links to each other with the import of new wind energy-accumulating water tank 20;
The radiation refrigeration agent circulatory system is used for producing the hyperthermia radiation cold-producing medium when refrigeration, produce the low-temp radiating refrigerating medium when heating, the described radiation refrigeration agent circulatory system comprises: radiation compressor 9, radiation cross valve 10, radiation chamber external heat exchanger 11, radiation throttle mechanism 12, radiation check valve 13, radiation reservoir 16, radiation refrigerating medium heat exchanger 14, wherein, 9 outlets of radiation compressor link to each other with radiation cross valve 10 import a ' end, radiation cross valve 10 outlet b ' ends link to each other with 11 imports of radiation chamber external heat exchanger, the outlet of radiation chamber external heat exchanger 11 links to each other with 12 imports of radiation throttle mechanism, 12 outlets of radiation throttle mechanism link to each other with 16 imports of radiation reservoir by radiation check valve 15,12 outlets of radiation throttle mechanism also link to each other with 14 imports of radiation refrigerating medium heat exchanger by radiation check valve 13, and the outlet of radiation refrigerating medium heat exchanger 14 links to each other with the import of radiation compressor 9 by the outlet of radiation cross valve 10;
The radiation refrigerating medium circulatory system comprises the first radiation bypath valve 22, radiation water pump 23, radiation electric magnet valve 24, energy-accumulating water tank 25, the second radiation bypath valve 26 and the radiation refrigerating medium heat exchanger 14 shared with the radiation refrigeration agent circulatory system; Wherein, the outlet of the first radiation bypath valve 22 links to each other with the import of radiation water pump, the outlet of radiation water pump links to each other with the import of radiation electric magnet valve 24, the outlet of radiation electric magnet valve 24 links to each other with 25 imports of radiation energy-accumulating water tank, the outlet of radiation energy-accumulating water tank 25 links to each other with the import of the second radiation bypath valve 26, the import of radiation refrigerating medium heat exchanger 14 links to each other with the outlet of radiation water pump 23, and the outlet of radiation refrigerating medium heat exchanger 14 links to each other with the import of radiation energy-accumulating water tank 25;
Fresh air refrigerating agent and new wind refrigerating medium carry out exchange heat in new wind refrigerating medium heat exchanger 6,
Radiation refrigeration agent and radiation refrigerating medium carry out exchange heat in radiation refrigerating medium heat exchanger,
The new wind refrigerating medium circulatory system and the radiation refrigerating medium circulatory system are of coupled connections by the first coupling magnetic valve 27, the second coupling magnetic valve, 28 place refrigerating medium branch roads.
Fresh air refrigerating agent and new wind refrigerating medium carry out exchange heat in new wind refrigerating medium heat exchanger, radiation refrigeration agent and radiation refrigerating medium carry out exchange heat in radiation refrigerating medium heat exchanger, by setting to the aperture of throttle mechanism, obtain different evaporating temperature/condensation temperatures, thereby the refrigerating medium of producing different temperatures is used for satisfying the demand of different refrigeration (heating) temperature, for example produces radiation end and the refrigerating medium of handling the different purposes different temperatures of new wind.
Required processing load can be worked in coordination with and regulate different temperatures refrigerating medium refrigeration, be heated to the heat pump apparatus of air source of producing two temperature water simultaneously provided by the invention; Below abbreviate the new wind refrigerating medium required processing load that circulates as new wind load, the circulate load of required processing of radiation refrigerating medium abbreviates radiation load as.
The heat pump apparatus of air source of producing two temperature water simultaneously provided by the invention can be realized the unloading of invariable frequency compressor load.When new wind load was very little, this heat pump apparatus of air source of producing two temperature water simultaneously can be opened bypath valve and come the by-passing part refrigerating medium; When radiation load was very little, this two temperature heat pump can be opened bypath valve and come the by-passing part refrigerating medium.
When conventional operation, the throttle mechanism of fresh air refrigerating agent circulation starts one and sets aperture (be called new wind and set aperture), and the throttle mechanism of radiation refrigeration agent circulation starts another different setting aperture (be called radiation and set aperture).The first coupling magnetic valve 27, the second coupling magnetic valve 28 are closed at this moment, and first new wind-powered electricity generation magnet valve 17, the second new wind-powered electricity generation magnet valve 21 is opened, and the first radiation electric magnet valve 22, the second radiation electric magnet valve 26 are opened two path water circulation independent operating.See accompanying drawing 2 for details.
Less when new wind load, when radiation load was big, the terminal temperature required refrigerating medium of radiation was produced in fresh air refrigerating agent circulation and fresh air refrigerating agent system support radiation refrigeration agent circulation.The throttle mechanism of fresh air refrigerating agent circulation this moment switches to radiation and sets aperture, the throttle mechanism of radiation refrigeration agent circulation still starts radiation and sets aperture, the first coupling magnetic valve 27, the second coupling magnetic valve 28 are opened, first new wind-powered electricity generation magnet valve 17, the second new wind-powered electricity generation magnet valve 21 is closed, the first radiation electric magnet valve 22, the second radiation electric magnet valve 26 are opened, and see accompanying drawing 3 for details.
When new wind load bigger, radiation load hour, radiation refrigeration agent circulation is produced the temperature required refrigerating medium of the new wind of processing with radiation refrigeration agent system support fresh air refrigerating agent circulation.The throttle mechanism of fresh air refrigerating agent circulation this moment starts new wind and sets aperture, the throttle mechanism of radiation refrigeration agent circulation switches new wind sets aperture, the first coupling magnetic valve 27, the second coupling magnetic valve 28 are opened, first new wind-powered electricity generation magnet valve 17, the second new wind-powered electricity generation magnet valve 21 is opened, the first radiation electric magnet valve 22, the second radiation electric magnet valve 26 are closed, and see accompanying drawing 4 for details.
In native system, new wind refrigerating medium heat exchanger 6 can use, but is not limited to following form: plate type heat exchanger, shell and tube exchanger, double pipe heat exchanger; Radiation water-to-water heat exchanger 14 can use, but is not limited to following form: plate type heat exchanger, shell and tube exchanger, double pipe heat exchanger; Working medium can be selected for use but be not limited to following kind: hydrocarbon refrigerant, halogenate hydrocarbon refrigerant, ammonia, water, CO2, inorganic compound cold-producing medium.Refrigerating medium can be selected for use but be not limited to following kind: water, salt solution, oil, silicone oil, propane diols and ethylene glycol, air.
Introduce the present invention in detail below in conjunction with accompanying drawing.
Among Fig. 1, this heat pump apparatus of air source of producing two temperature water simultaneously comprises fresh air refrigerating agent circulation and new wind refrigerating medium circulation, and radiation refrigeration agent circulation and radiation refrigeration agent circulation; Fresh air refrigerating agent circulation and radiation refrigeration agent circulation are separate, and the refrigerating medium of producing two kinds of temperature respectively is used to satisfy different cryogenic temperatures or the different demand that heats temperature; New wind refrigerating medium circulation cycles through the first coupling magnetic valve 27 with the radiation refrigeration agent, the second coupling magnetic valve, 28 place refrigerating medium branch roads are connected.
When this heat pump apparatus of air source of producing two temperature water simultaneously ran on cooling condition, new wind cross valve 2, radiation cross valve 10 started refrigeration and set.When running on heating condition, new wind cross valve 2,1 startup of radiation cross valve heat setting.
Fig. 2 is during at conventional operation, and this produces the structured flowchart of the heat pump apparatus of air source of two temperature water simultaneously.The new wind throttle mechanism 4 of fresh air refrigerating agent circulation this moment starts new wind and sets aperture, the radiation throttle mechanism 12 of radiation refrigeration agent circulation starts radiation and sets aperture, the first coupling magnetic valve 27, the second coupling magnetic valve 28 are closed, first new wind-powered electricity generation magnet valve 17, the second new wind-powered electricity generation magnet valve 21 is opened, and the first radiation electric magnet valve 22, the second radiation electric magnet valve 26 are opened.
Fig. 3 is at less when new wind load, when radiation load is big, produces the structured flowchart of the heat pump apparatus of air source of two temperature water simultaneously.Fresh air refrigerating agent circulation is produced the terminal temperature required refrigerating medium of radiation with new wind refrigerating medium system support radiation refrigeration agent circulation.The new wind throttle mechanism 4 of fresh air refrigerating agent circulation this moment switches radiation sets aperture, the radiation throttle mechanism 12 of radiation refrigeration agent circulation starts radiation and sets aperture, first new wind-powered electricity generation magnet valve 17, second new wind-powered electricity generation magnet valve 21 open and close, the first radiation electric magnet valve 22, the second radiation electric magnet valve 26 are opened, and the first coupling magnetic valve 27, the second coupling magnetic valve 28 are opened.
Fig. 4 be at when new wind load bigger, radiation load hour is produced the structured flowchart of the heat pump apparatus of air source of two temperature water simultaneously.Radiation refrigeration agent circulation and radiation refrigerating medium system support fresh air refrigerating agent circulation are produced and are handled the required water of new wind.The new wind throttle mechanism 4 of fresh air refrigerating agent circulation this moment starts new wind and sets aperture, the radiation throttle mechanism 12 of radiation refrigeration agent circulation switches new wind sets aperture, first new wind-powered electricity generation magnet valve 17, the second new wind-powered electricity generation magnet valve 21 is opened, the first radiation electric magnet valve 22, the second radiation electric magnet valve 26 are closed, and the first coupling magnetic valve 27, the second coupling magnetic valve 28 are opened.

Claims (2)

1. heat pump apparatus of air source of producing two temperature water simultaneously, it is characterized in that this heat pump comprises the separate fresh air refrigerating agent circulatory system and the radiation refrigeration agent circulatory system, the new wind refrigerating medium circulatory system that intercouples and the radiation refrigerating medium circulatory system, wherein
The fresh air refrigerating agent circulatory system is used for producing the new wind refrigerating medium of low temperature when refrigeration, produce the new wind refrigerating medium of high temperature when heating, the described fresh air refrigerating agent circulatory system comprises: new ventilating compressor (1), new wind cross valve (2), new air compartment external heat exchanger (3), new wind throttle mechanism (4), new wind check valve (5), new wind refrigerating medium heat exchanger (6), new wind reservoir (8); The outlet of new ventilating compressor (1) links to each other with the import a end of new wind cross valve (2), the outlet b end of new wind cross valve (2) links to each other with the import of new air compartment external heat exchanger (3), the outlet of new air compartment external heat exchanger (3) links to each other with the import of new wind throttle mechanism (4), new wind throttle mechanism (4) links to each other by the import of new wind check valve (7) with new wind reservoir (8), another road of new wind throttle mechanism (4) also links to each other with new wind refrigerating medium heat exchanger (6) import by new wind check valve (5), and the outlet of new wind refrigerating medium heat exchanger (6) links to each other with the import of new ventilating compressor (1) by the outlet c of new wind cross valve (2);
The new wind refrigerating medium circulatory system comprises the first new wind bypath valve (17), new geomantic omen pump (18), new wind-powered electricity generation magnet valve (19), new wind energy-accumulating water tank (20), the second new wind bypath valve (21), and the new wind refrigerating medium heat exchanger (6) shared with the fresh air refrigerating agent circulatory system, wherein, the outlet of the first new wind bypath valve (17) links to each other with new geomantic omen pump (18) import, new geomantic omen pump (18) outlet links to each other with the import of new wind-powered electricity generation magnet valve (19), the outlet of new wind-powered electricity generation magnet valve (19) links to each other with new wind energy-accumulating water tank (20) import, the outlet of new wind energy-accumulating water tank (20) links to each other with second new wind bypath valve (21) import, the import of new wind refrigerating medium heat exchanger (6) links to each other with the outlet of new geomantic omen pump (18), and the outlet of new wind refrigerating medium heat exchanger (6) links to each other with the import of new wind energy-accumulating water tank (20);
The radiation refrigeration agent circulatory system is used for producing the hyperthermia radiation cold-producing medium when refrigeration, produce the low-temp radiating refrigerating medium when heating, the described radiation refrigeration agent circulatory system comprises: radiation compressor (9), radiation cross valve (10), radiation chamber external heat exchanger (11), radiation throttle mechanism (12), radiation check valve (13), radiation reservoir (16), radiation refrigerating medium heat exchanger (14), wherein, radiation compressor (9) outlet links to each other with radiation cross valve (10) import a ' end, radiation cross valve (10) outlet b ' end links to each other with radiation chamber external heat exchanger (11) import, the outlet of radiation chamber external heat exchanger (11) links to each other with radiation throttle mechanism (12) import, radiation throttle mechanism (12) outlet links to each other with radiation reservoir (16) import by radiation check valve (15), radiation throttle mechanism (12) outlet also links to each other with radiation refrigerating medium heat exchanger (14) import by radiation check valve (13), and the outlet of radiation refrigerating medium heat exchanger (14) links to each other with the import of radiation compressor (9) by the outlet of radiation cross valve (10);
The radiation refrigerating medium circulatory system comprises the first radiation bypath valve (22), radiation water pump (23), radiation electric magnet valve (24), energy-accumulating water tank (25), the second radiation bypath valve (26) and the radiation refrigerating medium heat exchanger (14) shared with the radiation refrigeration agent circulatory system; Wherein, the outlet of the first radiation bypath valve (22) links to each other with the import of radiation water pump, the outlet of radiation water pump links to each other with the import of radiation electric magnet valve (24), the outlet of radiation electric magnet valve (24) links to each other with radiation energy-accumulating water tank (25) import, the outlet of radiation energy-accumulating water tank (25) links to each other with the import of the second radiation bypath valve (26), the import of radiation refrigerating medium heat exchanger (14) links to each other with the outlet of radiation water pump (23), and the outlet of radiation refrigerating medium heat exchanger (14) links to each other with the import of radiation energy-accumulating water tank (25);
Fresh air refrigerating agent and new wind refrigerating medium carry out exchange heat in new wind refrigerating medium heat exchanger (6),
Radiation refrigeration agent and radiation refrigerating medium carry out exchange heat in radiation refrigerating medium heat exchanger,
The new wind refrigerating medium circulatory system and the radiation refrigerating medium circulatory system are of coupled connections by the first coupling magnetic valve (27), second coupling magnetic valve (28) the place refrigerating medium branch road.
2. driving method of producing the heat pump apparatus of air source of two temperature water simultaneously as claimed in claim 1, it is characterized in that, the outlet of new ventilating compressor (1) connects the input a end of new wind cross valve (2), the output d end of new wind cross valve (2) connects the import of new ventilating compressor (1), when starting cooling condition, new wind cross valve (2) starts refrigeration and sets, be input a and output b conducting, input c and output d conducting, the fresh air refrigerating agent new air compartment external heat exchanger (3) of flowing through successively, new wind throttle mechanism (4), new wind check valve (5), the new new wind refrigerating medium of wind heat exchanger (6), the new wind cross valve (2) of warp enters the inlet air entry of compressor (1) again; When startup heats setting, new wind cross valve (2) startup heats setting, be input a and output c conducting, input b and output d conducting, the fresh air refrigerating agent new wind refrigerating medium heat exchanger (6) of flowing through successively, reservoir (8), check valve (7), throttle mechanism (4), outdoor heat exchanger (3) enters compressor (1) air entry (b) through cross valve (2) again;
Radiation compressor (9) outlet connects the input a ' end of radiation cross valve (10), output d ' the end of radiation cross valve (10) connects compressor (9) import, when the running refrigerating operating mode, radiation cross valve (10) starts refrigeration and sets, be input a ' and output b ' conducting, input c ' and output d ' conducting, the radiation refrigeration agent radiation chamber external heat exchanger (11) of flowing through successively, radiation throttle mechanism (12), radiation check valve (13), radiation refrigerating medium heat exchanger (14) enters radiation compressor (9) air entry c ' through radiation cross valve (10) again; When the operation heating condition, radiation cross valve (10) startup heats setting, be input a ' and output c ' conducting, input b ' and output d ' conducting, the radiation refrigeration agent radiation refrigerating medium heat exchanger (14) of flowing through successively, radiation reservoir (16), radiation check valve (15), radiation throttle mechanism (12), radiation chamber external heat exchanger (11) enters the inlet air entry (b ') of radiation compressor (9) again through radiation cross valve (10);
In the new wind refrigerating medium circulatory system, the circulation under the driving of new geomantic omen pump (18) of new wind refrigerating medium, the new wind refrigerating medium first new wind-powered electricity generation magnet valve (17) of flowing through successively, new geomantic omen pump (18), flow into new wind refrigerating medium heat exchanger (6) and fresh air refrigerating agent heat exchange again, flow into new wind energy-accumulating water tank (20) afterwards, flow out through the second new wind-powered electricity generation magnet valve (21);
In the radiation refrigerating medium circulatory system, the radiation refrigerating medium circulates under the driving of radiation water pump (23), the radiation refrigerating medium first radiation electric magnet valve (22) of flowing through successively, radiation water pump (23), flow into radiation refrigerating medium heat exchanger (14) and radiation refrigeration agent heat exchange again, flow into radiation energy-accumulating water tank (25) afterwards, flow out through the second radiation electric magnet valve (26);
The new wind refrigerating medium circulatory system and the radiation refrigerating medium circulatory system are come switched path by the switching of the magnetic valve first new wind bypath valve (17), the second new wind bypath valve (21), the first radiation bypath valve (22), the second radiation bypath valve (26), the first coupling magnetic valve (27), the second coupling magnetic valve (28), realize that energy is adjustable.
CN 201010290308 2010-09-21 2010-09-21 Air source heat pump device capable of simultaneously preparing double-temperature water and driving method thereof CN101968243B (en)

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