CN100460775C - Air source heat pump water heater with flow guide sleeve heat exchanger water storage tank - Google Patents

Air source heat pump water heater with flow guide sleeve heat exchanger water storage tank Download PDF

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CN100460775C
CN100460775C CNB2005100533153A CN200510053315A CN100460775C CN 100460775 C CN100460775 C CN 100460775C CN B2005100533153 A CNB2005100533153 A CN B2005100533153A CN 200510053315 A CN200510053315 A CN 200510053315A CN 100460775 C CN100460775 C CN 100460775C
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heat exchanger
water
valve
compressor
interface
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CN1782612A (en
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陈则韶
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Jiangsu Hengxin Nuojin Polytron Technologies Inc
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陈则韶
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Abstract

The present invention discloses air source heat pump water heater. Technologically, the system has one integral water heating and storing tank with guide sleeve heat exchanger, one throttle capillary loop controlled with pneumatic three-way solenoid valve possessing electromagnetic auxiliary valve, one four-way valve defrosting loop, and one unique single heat source, double heat source and multifunctional heat pump water heater capable of operating in different energy saving modes and self control mode. It can supply hot water in 50-55 deg C in low cost and convenient use, and has high COP value and energy saving rate of 70-80 % compared with electric water heater.

Description

The air source hot pump water heater of band fair water sleeves heat exchanger storage tank
Technical field:
The present invention relates to the field of energy-saving technology of air conditioner and Teat pump boiler, specifically comprise the water-cooled heat exchanger technology that condenses, the four seasons are suitable for throttling technology and Defrost technology.
Background technology:
Heat pump air conditioner and Teat pump boiler are thermal source with air or water, produce hot gas or hot water by the mode of compressed refrigerant, have the effect of tangible joint.
The heat pump air conditioner technology is ripe, and the wind source heat pump water heater exists technical problem many.It relates to water-cooled condensing heat exchanger high-efficiency compact and stablizes cheap technology, flow controller four seasons applicable technology and winter the Defrost technology.
The water-cooled condensing heat exchanger is the Teat pump boiler key equipment.The water-cooled condensing heat exchanger that adopts in the existing Teat pump boiler mainly contains two class forms: a class is the heat storage and exchange type, promptly coil pipe is directly placed the immersion type coil pipe condensing heat exchanger of storage tank inner bottom part; Another kind of is the direct current heat exchange type, as the reverse-flow condensing heat exchanger of bushing type, board-like, shell-tube type.See that the patent No. is 85202970,90201632,90217674,93206750.6,94216590,94237059,95222060,95237765,95228722 15 of interior Teat pump boiler utility models, patent of invention has: 90109269.X " is used to regulate the method for air and supplying hot/cold water ", 92110270.4, " refrigerating heat pump hot water apparatus ", 02116049.X, 02220342.7 " energy-conservation cold-heat air-conditioning, water-heating three-purpose machine of a kind of four seasons " or the like.
The heat exchanger and the heat storage water tank of last class immersion type condensing heat exchanger unite two into one, and be simple in structure, and its shortcoming is: 1. exchange capability of heat is poor; When risen by the hot water of coil pipe heating with case in the cold water blending, caused the loss of energy, be because of blending makes the entropy increase in theory,
Figure C200510053315D0013145158QIETU
Loss; 3. need long-time heating just can use hot water; If 4. the user is little with the hot water amount at every turn, the long time interval is arranged again between twice usefulness hot water, this heat exchange form also leave no choice but FCL the cold water heating can not, so increased radiation loss at section inner water tank blanking time; 5. the heating process water temperature constantly rises, and the refrigerant pressure of condenser is constantly changed, refrigeration work situation instability, and especially the later stage is caused superpressure danger easily.
Though the reverse-flow condensing heat exchanger of back one class direct current heat exchange type has the exchange capability of heat advantages of higher, almost overcome the former all shortcomings, but it is when making the single flow water heater, uses the hot water all must the starting heat pump at every turn, Fraquent start is inconvenience not only, also takes when water consumption is little; Water temperature can not be taken into account simultaneously when use winter and flow is all suitable; When the adapted heat storage water tank when solving above-mentioned contradiction, produced complex structure again, cost heightens, control trouble, the shortcoming that fault is many; For the pressure that keeps water with make water remaining in the case can be heated use again, non-bearing water tank increases booster pump again, and makes water supply loop complicated.
Therefore, all there is deficiency in the Teat pump boiler that is equipped with above-mentioned two class water-cooled condensing heat exchangers, or be heated to hot water length consuming time from cold water, use inconvenience, or want long-term hot water thermal insulating, can cause the waste of energy or equipment complexity to huge numbers of families with the not frequent family of hot water, cost increases, and new technology is lacked competitiveness.
The variation of ambient temperature that evaporimeter ran into during the wind source heat pump water heater used in the four seasons is bigger than air conditioner, air conditioner room temperature in summer is 22～28 ℃, evaporating temperature is 5～8 ℃, and evaporating temperature is 0～-5 ℃ during winter heating, and special arrives-10 ℃.And water heater outdoor temperature in summer is up to 32～40 ℃, this moment, heat pump faced the high evaporation stress problems, winter outdoor temperature-5 ℃, evaporating temperature will drop to below-10 ℃, and the temperature of used hot water still be substantially 45～55 ℃ constant, then condensation temperature requires constant substantially.Therefore the flow controller of single throttle capillary tube or heating power expansion valve adjusting traffic ability is all not enough under so large-scale variation of ambient temperature condition; The Teat pump boiler of multichannel circulation, as " energy-conservation cold-heat air-conditioning, water-heating three-purpose machine of a kind of four seasons " (patent No.:, the part cold-producing medium when producing 50～60 ℃ of hot water, can occur and be diverted to indoor heat exchanger and make system thermal efficiency reduction when producing high-temperature-hot-water though 02116049.X) solved the switching circulation in four kinds of loops preferably.Therefore, air source hot pump water heater, particularly the throttle mechanism utmost point of multichannel circulation is waited to improve.
In addition, the wind source heat pump water heater also exists the defrost problem to need to solve.The wind source heat pump water heater of not establishing defrost mechanism is Yangtze river basin district in the winter time, can not fine work.
Summary of the invention:
The air source hot pump water heater of the band fair water sleeves heat exchanger storage tank that the present invention proposes, be in order to overcome the four seasons performance shakiness of existing Teat pump boiler, the hot and cold water blending of heat accumulation type water-cooled condensing heat exchanger, it is slow to go out hot water speed, heat exchange property is poor, the big deficiency that waits of energy loss, and the halfway problem of winter air source heat pump defrosting, make the flow controller of the Teat pump boiler of new motion can make the four seasons different, winter, defrost was thorough, and the existing countercurrent flow characteristic of water-cooled condensing heat exchanger of new motion, heated hot water and cold water blending be can avoid again, hot water, the hot water amount that can use as required again both can be after start be gone out in several minutes, varying capacity stored hot water in storage tank total measurement (volume) scope can also guarantee the flow of heat supply water, pressure and temperature all satisfies the demands;
The technical scheme I of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention is: single air source hot pump water heater, two bodies by off-premises station and heat exchange heat storage water tank are formed, include refrigerant circulation loop, water circuit system, signals collecting and circuit control system; Compressor 1, cross valve 2, flow controller J, outdoor air cooling heat exchanger 3 and outdoor machine fan 4 are housed in the off-premises station O; Heat exchange heat storage water tank H is made up of the water tank 9 of band insulation cladding and the water-cooled condensing heat exchanger 8 of interior dress, and cold water inlet 11, hot water outlet pipe 12, excess pressure safety valve 30 are arranged on the heat exchange heat storage water tank, and water non-return valve 17 and discharging valve 18 are housed on the water inlet pipe; Two interface valves are arranged, air-flow interface valve O on the off-premises station aWith liquid stream interface valve O b, the liquid interface that goes out of water-cooled condensing heat exchanger is connected with tube connector with the liquid stream interface valve of off-premises station; The intake interface of water-cooled condensing heat exchanger is connected with tube connector with the air-flow interface valve of off-premises station; The exhaust outlet of compressor is connected with the public high pressure gas import of cross valve, the common low pressure gas outlet of cross valve is connected with the import of fluid reservoir, the high pressure gas normal open outlet of cross valve is connected with the air-flow interface valve of off-premises station, the low pressure gas normal open road import of cross valve is connected with the air-flow interface of outdoor air cooling heat exchanger, and the liquid stream interface of outdoor air cooling heat exchanger is connected with the outlet of flow controller; In the above-mentioned link circuit cold-producing medium is housed, the closed circuit that heat pump heats water is: compressor → cross valve → water-cooled condensing heat exchanger → flow controller → outdoor air cooling heat exchanger → fluid reservoir → compressor; The water temperature sensing water temperature display controller of signals collecting and circuit control system is contained on the housing of heat exchange heat storage water tank, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
Increase in the water tank 9 of described heat exchange heat storage water tank H fair water sleeves 10 is arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank;
Defrosting control: when the temperature of surveying when the temperature sensor of outdoor air cooling heat exchanger is lower than the defrosting lowest temperature value of setting, the coil electricity of cross valve, the cross valve transposition, cold-producing medium is made anti-heat pump cycle and is flowed; The temperature retrieval of surveying when the temperature sensor of outdoor air cooling heat exchanger is to setting when defrosting temperature upper limit the coil blackout of cross valve.
The technical scheme II of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention is: the double heat source heat pump water heater of band fair water sleeves heat exchanger storage tank, and wherein first thermal source is the outdoor air source, second thermal source is room air or hydro-thermal source;
The double heat source heat pump water heater is made up of three parts of off-premises station O, heat exchange heat storage water tank H and the second thermal source heat exchanger assembly I, includes the cold-producing medium double circulation loop, water circuit system, signals collecting and circuit control system; Compressor, double loop switching mechanism, flow controller, outdoor air cooling heat exchanger 3 and outdoor fan 4 are housed in the off-premises station; The heat exchange heat storage water tank is made up of the water tank 9 of band insulation cladding and the water-cooled condensing heat exchanger 8 of interior dress, and cold water inlet 11, hot water outlet pipe 12, excess pressure safety valve 30 are arranged on the heat exchange heat storage water tank, and water non-return valve 17, discharging valve 18 are housed on the water inlet pipe; The second thermal source heat exchanger assembly comprises that the second thermal source heat exchanger assembly, 5, the second thermal source heat exchanger assemblies are cold water source heat exchanger or room air source heat exchanger, and the room air source heat exchanger also has indoor machine fan; The cooling-water temperature sensor 13 of signals collecting and circuit control system, water temperature display controller 14 are contained on the housing of heat exchange heat storage water tank, the temperature sensor 21 of outdoor air cooling heat exchanger, and circuit master controller 22 is contained on the off-premises station; On the second thermal source heat exchanger temperature sensor 23 is housed; The circuit master controller has lead to be connected with the cooling-water temperature sensor and the second heat source temperature sensor with the temperature sensor of outdoor air cooling heat exchanger, and indoor machine fan or the water circulating pump of water source heat exchanger and the valve of double loop switching mechanism of the indoor air cooling heat exchanger of circuit control compressor and the outdoor machine fan and the second thermal source heat exchanger are arranged, make the double heat source heat pump water heater on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
Increase in the water tank of described heat exchange heat storage water tank fair water sleeves 10 is arranged; The heat exchanger tube of water-cooled condensing heat exchanger 8 turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When being many spiral heat exchange tubes, adopt by the heat exchanger tube of water-cooled condensing heat exchanger cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the base plate of mechanical seal mode from water tank, or passes on the side plate of water tank;
Also include a cross valve, dosing triple valve 24, first one-way valve P1, four off-premises station interface valves, i.e. first, second, third and fourth off-premises station interface valve O in the described off-premises station 1, O 2, O 3, O 4Described double loop switching mechanism is made up of cross valve and dosing triple valve 24; Flow controller is made up of the first throttle capillary J1 and the second throttle capillary tube J2; The off-premises station inner connection mode is: the exhaust outlet of compressor is connected with the public high pressure gas import of cross valve, the common low pressure gas outlet of cross valve is connected with fluid reservoir, the high pressure gas normal open outlet of cross valve is connected with the 3rd interface valve on the off-premises station, the low pressure gas normal open import of cross valve is connected altogether with the outlet of air-flow interface first check valve of outdoor air cooling heat exchanger, and the import of first check valve is connected with second interface valve of off-premises station; The import of dosing triple valve is connected with the 4th interface valve on the off-premises station, and its normally closed outlet is connected with the import of the first throttle capillary J1 of flow controller, and its normal open outlet is connected with the import of the second throttle capillary tube J2 of flow controller; First throttle outlet capillaceous is connected with first interface valve of off-premises station; The outlet of second throttle capillary tube is connected with the liquid stream interface of outdoor air cooling heat exchanger; Use four tube connectors again, respectively the liquid stream interface of first interface valve of off-premises station and the second thermal source heat exchanger, the air-flow interface of second interface valve of off-premises station and the second thermal source heat exchanger, the intake interface 15 of the 3rd interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger, the liquid interface 16 that goes out of the 4th interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger connects and composes the loop, perfusion cold-producing medium in the loop;
Described dosing triple valve 21 is Pneumatic three-way valves that the auxilliary valve 24a of electromagnetism drives, the effective first tube connector L1 of high pressure admission of the auxilliary valve of its electromagnetism is connected on the blast pipe of compressor, and the effective second tube connector L2 of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct;
Cold-producing medium has three kinds of endless form:
First kind of circulation is to be that thermal source heats water with outdoor air, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the normal open interface → second throttle capillary tube → outdoor air cooling heat exchanger → cross valve of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve; The coil of cross valve and dosing triple valve is in off-position, compressor, outdoor machine fan energising running;
Second kind of circulation is to heat water with second thermal source, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the normally closed interface → first throttle capillary of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve → second thermal source heat exchanger → first check valve → cross valve; The coil of cross valve is in the outage attitude, and the coil of compressor and dosing triple valve all is in "on" position, the running of also switching on of fan that the second thermal source heat exchanger is related and water pump;
The third circulation is that defrost is used, its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of the normal open interface → water-cooled condensing heat exchanger → cross valve of the normally closed path of the high pressure gas of compressor → cross valve → outdoor air cooling heat exchanger → second throttle capillary tube → dosing triple valve; When the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made the coil of compressor and cross valve all be in "on" position, and the coil and the outdoor machine fan of dosing triple valve are in off-position; When the temperature sensor of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, make the coil of cross valve dosing and triple valve all be in off-position, outdoor machine fan is replied "on" position.
The technical scheme III of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention is: two many circulations of thermal source air conditioner Teat pump boilers of band fair water sleeves heat exchanger storage tank, wherein first thermal source is the outdoor air source, second thermal source is room air or hydro-thermal source, cold-producing medium has four kinds of closed circuits, also comprise water circuit system in the total system, signals collecting and circuit control system; Total system is made of indoor set, the heat exchange heat storage water tank three-major-items of off-premises station, the second thermal source heat exchanger;
Off-premises station comprises: first, second, third and fourth interface valve O of the temperature sensor of compressor, gas circuit triple valve, cross valve, outdoor air cooling heat exchanger, outdoor air cooling heat exchanger, outdoor machine fan, flow controller, off-premises station 1, O 2, O 3, O 4The gas circuit triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Its connected mode is: the blast pipe of compressor is connected with the air inlet pipe of gas circuit triple valve, and the normal open outlet of gas circuit triple valve is connected with the public high pressure gas import of cross valve, and the normally closed outlet of gas circuit triple valve is connected with off-premises station the 3rd interface valve; The common low pressure gas interface of cross valve is connected with the air inlet of fluid reservoir, and the high pressure gas normal open interface of cross valve is connected with the air-flow interface of outdoor air cooling heat exchanger, and the normally closed interface of the high pressure gas of cross valve is connected with second interface valve of off-premises station; Its flow controller is provided with and heats water with, cooling and three imports using of system heating installation, the import that heats the flow controller that water uses is connected with off-premises station the 4th interface valve, the import of cooling flow controller is connected with the liquid stream interface of outdoor air cooling heat exchanger, and the import of the flow controller that system heating installation is used is connected with off-premises station first interface valve; The common low pressure blast pipe d of the auxilliary valve d of the electromagnetism of gas circuit triple valve 0Be connected on the compressor air suction pipeline of system; Use four tube connectors again, respectively the liquid stream interface of first interface valve of off-premises station and the second thermal source heat exchanger, the air-flow interface of second interface valve of off-premises station and the second thermal source heat exchanger, the intake interface of the 3rd interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger, the liquid outlet of the 4th interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger couples together, perfusion cold-producing medium in the loop that is constituted;
The cooling-water temperature sensor of signals collecting and circuit control system, water temperature display controller are contained on the heat exchange heat storage water tank housing, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; On the second thermal source heat exchanger temperature sensor is housed; The circuit master controller has lead to be connected with the second heat source temperature sensor with cooling-water temperature sensor with the temperature sensor of outdoor air cooling heat exchanger, and the valve that the water circulating pump of the indoor machine fan of indoor air cooling heat exchanger of circuit control compressor and the outdoor machine fan and the second thermal source heat exchanger or water source heat exchanger and multiloop switching mechanism arranged on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
Increase in the water tank of described heat exchange heat storage water tank fair water sleeves 10 is arranged; The heat exchanger tube of water-cooled condensing heat exchanger 8 turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When being many spiral heat exchange tubes, adopt by the heat exchanger tube of water-cooled condensing heat exchanger cross cap cast formula to arrange; The base plate into and out of pipe employing mechanical seal mode from water tank of the heat exchanger tube of water-cooled condensing heat exchanger, or pass on the side plate of water tank;
Described flow controller J is the capillary restrictor on four-way road, and it is by first and second totally two check valve P1, P2 and first, second, third and fourth throttle capillary tube J1, J2, J3, J4 totally four sections capillaries, and a dosing triple valve 24 constitutes; Its connected mode is: the import of second check valve is the import that water is used that heats of flow controller, the outlet of second check valve is connected with the import of dosing triple valve, the normal open outlet of dosing triple valve is connected with the import of the 3rd throttle capillary tube, and the normally closed outlet of dosing triple valve is connected with the import of the 4th throttle capillary tube; The outlet of the 3rd throttle capillary tube is connected with off-premises station first interface valve with first throttle import capillaceous, and its common interface is the import that the system heating installation of flow controller is used; The outlet of the 4th throttle capillary tube, second throttle capillary tube the import of the outlet of system heating installation time spent and first check valve and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger, be the cooling import of flow controller; The import of the outlet of first check valve, second throttle capillary tube and first throttle capillary are that import connects altogether when also being refrigerating circuit in the outlet of system heating installation time spent;
Described dosing triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Effective first tube connector of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and effective second tube connector of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct;
Cold-producing medium has five kinds of endless form, can organize refrigeration, makes heating installation, heat hold concurrently refrigeration, heat pump of water and heat water, ventilation, dehumidifying and defrost function mode operation;
First kind of circulation is kind of refrigeration cycle, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the high pressure gas normal open path → outdoor air cooling heat exchanger → first check valve → first throttle capillary of the normal open path → cross valve of compressor → gas circuit triple valve → second thermal source heat exchanger → cross valve; Control mode: the fan or the water pump of compressor, outdoor machine fan, the second thermal source heat exchanger have electricity, and the coil of gas circuit triple valve, cross valve and dosing triple valve does not have;
Second kind of circulation is the circulation of system heating installation, its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of the normally closed path of high pressure gas of the normal open path → cross valve of compressor → gas circuit triple valve → second thermal source heat exchanger → first throttle capillary → second throttle capillary tube → outdoor air cooling heat exchanger → cross valve; Control mode: the coil portion of the fan of compressor, outdoor machine fan, the second thermal source heat exchanger or water pump, cross valve has electricity, and the coil of gas circuit triple valve and dosing triple valve does not have;
The third circulation is to heat the water kind of refrigeration cycle of holding concurrently, absorb heat from second thermal source, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of normal open path → the 3rd throttle capillary tube of the normally closed path → water-cooled condensing heat exchanger → second check valve → dosing triple valve of compressor → gas circuit triple valve → second thermal source heat exchanger → cross valve; Control mode: the coil of compressor, gas circuit triple valve and the fan or the water pump of the second thermal source heat exchanger have electricity, and the coil of outdoor machine fan, cross valve and dosing triple valve does not have;
The 4th kind of circulation is that heat pump heats the water circulation, absorb heat from outdoor air, its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of normally closed path → the 4th throttle capillary tube → outdoor air cooling heat exchanger → cross valve of the normally closed path → water-cooled condensing heat exchanger → second check valve → dosing triple valve of compressor → gas circuit triple valve; Control mode: the coil of compressor, outdoor machine fan, gas circuit triple valve, cross valve and dosing triple valve has electricity, and the fan or the water pump of the second thermal source heat exchanger do not have;
The 4th kind of circulation is that heat pump heats the water circulation, absorb heat from outdoor air, its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of normally closed path → the 4th throttle capillary tube → outdoor air cooling heat exchanger → cross valve of the normally closed path → water-cooled condensing heat exchanger → second check valve → dosing triple valve of compressor → gas circuit triple valve; Control mode: the coil of compressor, outdoor machine fan, gas circuit triple valve, cross valve and dosing triple valve has electricity, and the fan or the water pump of the second thermal source heat exchanger do not have
The 5th kind of circulation is defrost cycle, during defrosting the circulation process of cold-producing medium with first kind kind of refrigeration cycle, but control mode difference; When heat pump heats water or system heating installation mode operation, when the temperature sensor of outdoor air cooling heat exchanger is lower than defrosting design temperature lower limit, circuit controller does not have the fan or the water pump of coil, outdoor machine fan and the second thermal source heat exchanger of gas circuit triple valve, cross valve, dosing triple valve, all be in off-position, only keep compressor and be in "on" position; When the temperature sensor of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, system is returned to heat pump again and heats water circulation mode, even the coil of compressor, outdoor machine fan, gas circuit triple valve, cross valve and dosing triple valve has, the fan or the water pump of the second thermal source heat exchanger do not have, or be returned to the system heating installation mode, the coil that is the fan of compressor, outdoor machine fan, the second thermal source heat exchanger or water pump, cross valve all has electricity, and the coil of gas circuit triple valve and dosing triple valve does not have;
The control principle of carrying out is: defrosting has precedence over and heats water, heat water and have precedence over air-conditioning, promptly in defrosting, heat water and air-conditioning all will carry out the time, carry out the defrosting mode operation earlier, inferior execution heats the aqueous mode operation, carries out the air conditioning mode operation again;
Technical scheme IV, the V of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention is the modification of two many circulating heat pumps of thermal source water heaters of the band fair water sleeves heat exchanger storage tank of technical scheme III;
The change of technical scheme IV and technical scheme III is in flow controller J, two many circulations of thermal source air conditioner Teat pump boilers of described band fair water sleeves heat exchanger storage tank, it is characterized in that replacing the capillary restrictor on four-way road with the capillary restrictor on five-way road, it is by first, second and third totally three check valve P1, P2, P3 and first, second, third and fourth throttle capillary tube J1, J2, J3, J4 totally four sections capillaries, and a dosing triple valve 24 constitutes; Its connected mode is: the import of dosing triple valve is the import that heats the flow controller that water uses, and the normal open outlet of dosing triple valve is connected with the import of the 3rd throttle capillary tube, and the normally closed outlet of dosing triple valve is connected with the import of the 4th throttle capillary tube; The outlet of the 3rd throttle capillary tube is connected with the import of second and third check valve; The outlet of second check valve is connected with off-premises station first interface valve with first throttle import capillaceous, and its common interface is the import of the flow controller used of system heating installation; The outlet of the 4th throttle capillary tube, second throttle capillary tube the import of the outlet of the outlet of system heating installation time spent and the 3rd check valve and first check valve and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger, be the import of cooling flow controller; The import of the outlet of first check valve, second throttle capillary tube and first throttle capillary also promptly are that import connects altogether when refrigerating circuit in the outlet of system heating installation time spent; Described dosing triple valve is the Pneumatic three-way valve that the auxilliary valve of electromagnetism is arranged; Effective first tube connector of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and effective second tube connector of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct;
The described flow controller of scheme IV makes system increase the closed circuit that a heat pump heats water than the described flow controller of the described flow controller of scheme III: the flow through normal open path of dosing triple valve of the high pressure refrigerant liquid that flows out from the heat exchanger tube of water-cooled condensing heat exchanger, flow through the successively more normally closed path of low pressure gas, fluid reservoir, the compressor of the 3rd throttle capillary tube, the 3rd check valve, outdoor air cooling heat exchanger, cross valve flow to the water-cooled condensing heat exchanger through the gas circuit triple valve again.
Change place of technical scheme V and technical scheme III is also at throttle mechanism J, two many circulations of thermal source air conditioner Teat pump boilers of the described band fair water sleeves heat exchanger storage tank of technical scheme III, it is characterized in that replacing the capillary restrictor on four-way road with the capillary restrictor on the four-way road of simplifying, the capillary restrictor on the four-way road of described simplification, it by first, second and third totally three check valve P1, P2, P3 and first, second and third throttle capillary tube J1, J2, J3 totally three sections capillaries constitute; Its connected mode is: the import of the 3rd throttle capillary tube is the import that heats the flow controller that water uses, and the outlet of the 3rd throttle capillary tube is connected with the import of second and third check valve; The outlet of second check valve is connected with off-premises station first interface valve with first throttle import capillaceous, and its common interface is the import of the flow controller used of system heating installation; Second throttle capillary tube the import of the outlet of the system outlet of heating installation time spent and the 3rd check valve and first check valve and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger, be the import of cooling flow controller; The import of the outlet of first check valve, second throttle capillary tube and first throttle capillary are that import connects altogether when promptly cooling in the outlet of system heating installation time spent.
Technical scheme VI, the VII of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention is the modification of single heat source heat pump water heater of the band fair water sleeves heat exchanger storage tank of technical scheme I;
Change place of technical scheme VI and technical scheme I is, single air source hot pump water heater of the described band fair water sleeves heat exchanger storage tank of technical scheme I is characterized in that its composition of off-premises station and the connected mode of each parts replace with respectively: the composition of off-premises station comprises the temperature sensor 21, fluid reservoir 7 of compressor 1, outdoor air cooling heat exchanger 3, dosing triple valve 24, flow controller J, outdoor machine fan 4, outdoor air cooling heat exchanger, two off-premises station interface valve air-flow interface valves, liquid stream interface valve O a, O bThe connected mode of off-premises station is: the blast pipe of compressor is connected with the air-flow interface valve of off-premises station, the liquid stream interface valve of off-premises station is connected with the import of dosing triple valve, the normal open outlet of dosing triple valve is connected with the import of flow controller, and the normally closed outlet of dosing triple valve is connected with bypass pipe L3; The outlet of bypass pipe and flow controller is connected with the liquid stream interface of outdoor air cooling heat exchanger, and the air-flow interface of outdoor air cooling heat exchanger is connected with the import of fluid reservoir, and the outlet of fluid reservoir is connected with the import of compressor; Described dosing triple valve is the Pneumatic three-way valve that the auxilliary valve of electromagnetism is arranged; The effective first tube connector L1 of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and the effective second tube connector L2 of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct; Use two tube connectors again, respectively the cold-producing medium intake interface of the liquid stream interface valve of off-premises station and water-cooled condensing heat exchanger, the liquid interface that goes out of the air-flow interface valve of off-premises station and the cold-producing medium of water-cooled condensing heat exchanger couples together, perfusion cold-producing medium in the loop that is constituted;
Two kinds of circulations of refrigerant loop tissue: heat pump heats water circulation, defrost cycle;
The flow process that heat pump heats the water circulation is: the normal open path → flow controller → outdoor air cooling heat exchanger → fluid reservoir → compressor of compressor → water-cooled condensing heat exchanger → dosing triple valve; Control mode: compressor energising running, the coil of dosing triple valve does not have electricity, when the temperature that measures when cooling-water temperature sensor is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power;
The flow process of defrost cycle is: the normally closed path → bypass pipe → outdoor air cooling heat exchanger → fluid reservoir → compressor of compressor → water-cooled condensing heat exchanger → dosing triple valve; Control mode: when the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made coil electricity, the compressor of dosing triple valve continue to have; When the temperature sensor of outdoor air cooling heat exchanger was higher than the higher limit of the design temperature that defrosts, system was returned to heat pump again and heats water circulation mode, even compressor, outdoor machine fan have the coil blackout of electricity, dosing triple valve.
Change place of technical scheme VII and technical scheme I can also be, the off-premises station of single air source hot pump water heater of the described band fair water sleeves of technical scheme I heat exchanger storage tank, it is characterized in that its composition of off-premises station and the connected mode of each parts replace with respectively: the composition of off-premises station comprises compressor 1, cross valve 2, outdoor air cooling heat exchanger 3, dosing triple valve 24, the flow controller that first and second throttle capillary tube J1 of two throttle circuits and J2 constitute, outdoor machine fan 4, the temperature sensor 21 of outdoor air cooling heat exchanger, fluid reservoir 7, two off-premises station interface valve air-flow interface valves, air-flow interface valve O a, O bThe connected mode of off-premises station is: the blast pipe of compressor is connected with the public high pressure gas import of cross valve, the high pressure gas normal open outlet of cross valve is connected with the air-flow interface valve of off-premises station, the liquid stream interface valve of off-premises station is connected with the import of dosing triple valve, the normal open outlet of dosing triple valve is connected with first throttle import capillaceous, and the normally closed outlet of dosing triple valve is connected with the import of second throttle capillary tube; The outlet of the first throttle capillary and second throttle capillary tube is connected with the liquid stream interface of outdoor air cooling heat exchanger, the air-flow interface of outdoor air cooling heat exchanger is connected with the low pressure gas normal open import of cross valve, the common low pressure gas outlet of cross valve is connected with the import of fluid reservoir, and the outlet of fluid reservoir is connected with the import of compressor; Described dosing triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; The effective first tube connector L1 of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and the effective second tube connector L2 of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct; Use two tube connectors respectively the liquid stream interface valve of off-premises station and water-cooled condensing heat exchanger cold-producing medium intake interface again, the air-flow interface valve of off-premises station and the cold-producing medium of water-cooled condensing heat exchanger go out liquid interface and couple together, perfusion cold-producing medium in the loop that is constituted;
Three kinds of circulations of refrigerant loop tissue: two kinds of heat pumps heat water circulation and defrost cycle;
The flow process that the heat pump in hot season heats the water circulation is: the low pressure gas normal open path → fluid reservoir → compressor of the normal open path → first throttle capillary → outdoor air cooling heat exchanger → cross valve of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve; Control mode: compressor energising running, dosing triple valve and cross valve=coil do not have electricity, when the temperature that measures when cooling-water temperature sensor is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power;
The flow process that the heat pump of cold season heats the water circulation is: the low pressure gas normal open path → fluid reservoir → compressor of the normally closed path → second throttle capillary tube → outdoor air cooling heat exchanger → cross valve of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve; Control mode: compressor energising running, the coil of dosing triple valve has electricity, and the coil of cross valve does not have electricity, when the temperature that measures when cooling-water temperature sensor is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power;
The flow process of defrost cycle is: the normally closed path → fluid reservoir of the low pressure gas → compressor of the normally closed path of the high pressure gas of compressor → cross valve → outdoor air cooling heat exchanger → dosing triple valve → water-cooled condensing heat exchanger → cross valve; Control mode: when the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made the coil electricity of cross valve, the coil and the compressor of dosing triple valve continue that electricity is arranged, the outdoor machine fan outage; When the temperature sensor of outdoor air cooling heat exchanger was higher than the higher limit of the design temperature that defrosts, system was returned to heat pump again and heats water circulation mode, even the coil of compressor, outdoor machine fan and dosing triple valve has the coil blackout of electricity, cross valve.
Technical scheme VIII is the reduction procedure of technical scheme II, but is to utilize two thermals source to heat the scheme of water simultaneously.
Change place of technical scheme VIII and technical scheme II is:
Its feature of double heat source heat pump water heater of the described band fair water sleeves of technical scheme VIII heat exchanger storage tank replaces with a just capillary in: described flow controller, the concrete connected mode of its flow controller is, the import of flow controller J is connected with the 4th interface valve of off-premises station, the outlet of flow controller divides two-way, is connected with first interface valve of off-premises station and the liquid stream interface of outdoor air cooling heat exchanger respectively;
System can organize four kinds of circulations:
First kind of circulation is to be that thermal source heats water with outdoor air, and its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the high pressure gas normal open path → water-cooled condensing heat exchanger → flow controller → outdoor air cooling heat exchanger → cross valve of compressor → cross valve; The coil of cross valve and related fan and the water pump of the second thermal source heat exchanger are in off-position, compressor, outdoor machine fan energising running;
Second kind of circulation is to heat water with second thermal source, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the high pressure gas normal open path → water-cooled condensing heat exchanger → flow controller of compressor → cross valve → second thermal source heat exchanger → first check valve → cross valve; The coil of cross valve and outdoor machine fan are in the outage attitude, the running of also switching on of fan that the compressor and the second thermal source heat exchanger are related and water pump;
The third circulation is to heat water with the outdoor air and second thermal source simultaneously, and its flow process is the high pressure gas normal open path → water-cooled condensing heat exchanger → flow controller → minute two-way of compressor → cross valve: the first via outdoor air cooling heat exchanger of flowing through; The second road second thermal source heat exchanger → first check valve of flowing through; The two-way low pressure gas normal open path → fluid reservoir → compressor of cross valve of flowing through of joining; The coil of cross valve is in the outage attitude, the running of also switching on of fan that compressor, outdoor machine fan and the second thermal source heat exchanger are related and water pump;
The 4th kind of circulation is defrost usefulness, and its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of the normally closed path of the high pressure gas of compressor → cross valve → outdoor air cooling heat exchanger → flow controller → water-cooled condensing heat exchanger → cross valve; When the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made the coil of compressor and cross valve all be in "on" position, and outdoor machine fan and the second thermal source heat exchanger, 5 related fan and water pumps are in off-position; When the temperature sensor of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, make the coil of cross valve all be in off-position, compressor keeps energising, and outdoor machine fan is replied "on" position.
The air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, a main innovative point has been to adopt the design of the interior heating heat accumulation one water tank H of band fair water sleeves, because spiral heat exchange tube and the tank inner wall and the fair water sleeves of water-cooled condensing heat exchanger, or and more all only leave 2～5 millimeters little gaps between the sleeve of minor diameter, make the water capacity of the water capacity of spiral heat exchange tube in the interlayer district much smaller than water tank; A spot of water can be heated rapidly by the spiral heat exchange tube condensing heat exchanger in the interlayer district because the buffer action of fair water sleeves makes, density diminishes, under the buoyancy lift effect, rise to tank top automatically, the way in not can with the cold water blending, it is bigger that water outside the interlayer district is not heated density, the water generates pressure reduction that interlayer is inside and outside constantly descends cold water and the fair water sleeves below at the bottom of case flows in the interlayer, forms the free convection circulation;
The no circulating pump that the buffer action of this because water conservancy diversion sleeve pipe forms, the free convection circulation that need not the automatic control adjuster just make the water-cooled condensing heat exchanger become contra-flow heat exchanger, and higher heat exchange efficiency is arranged; It is big more to add heat, and circulating water flow is fast more, and automatic regulatory function is arranged; Make in the water tank water temperature delamination good, hot water is last, and cold water can be selected heat time heating time with the hot water amount as required down, as long as make the water heating of water tank upper with the hot water amount after a little while, so has transfiguration to store up to deposit hot water function;
It is in order to get hot water rapidly that delivery port is located at the sleeve top;
The water tank pressure-bearing has guaranteed to spray required pressure;
Because the spiral heat exchange tube of water-cooled condensing heat exchanger and the making of sleeve are simpler than screw shell manufacture craft, be fit to produce in batches;
Save water circulating pump and control corresponding system, saved cost significantly;
The loop diameter of the spiral heat exchange tube of sleeve and water-cooled condensing heat exchanger is the volume according to heat storage water tank, heats water-horse power, and the heat exchange area of spiral heat exchange tube and the caliber of spiral heat exchange tube preferably obtain under the conditions such as less material cost.At the heat storage water tank below 60 liters,, place mode between tank inner wall and the fair water sleeves for well for volume with the spiral heat exchange tube of water-cooled condensing heat exchanger; More than 80 liters, height is rolled into little circle footpath to the spiral heat exchange tube of water-cooled condensing heat exchanger greater than 0.8 meter heat storage water tank for volume, and several circles intersect in the single fair water sleeves that places minor diameter more favourable;
The water-cooled condensing heat exchanger and fair water sleeves between only keep for a short time to 3～10 mm clearance, be higher heat transfer efficiency to be arranged in order to make spiral heat exchange tube be subjected to the impact of very fast flowing water.
Many spiral heat exchange tubes in single fair water sleeves adopt in twos that the lasso cross modal can increase the heat exchange effect, save the space.
Second innovative point of the present invention is, various forms of Teat pump boilers all design good defrost cycle, adopt the reversing mode of cross valve 2 among technical scheme I, the VII in single heat source heat pump water heater, cold-producing medium is to absorb heat from the hot water of heat storage water tank when making defrosting, outdoor air cooling heat exchanger is sent in compressed machine compression, defrost is fast, but needs some equilibration times when the commutation of cross valve 2; Adopt the reversing mode defrost of dosing triple valve 24 among the technical scheme VI, cold-producing medium directly absorbs heat from the hot water of heat storage water tank, flows into outdoor air cooling heat exchanger, and defrost changes refrigerant flow direction soon and not, and effect is fine.Technical scheme II in two thermal source double-circulating heat pump water heaters, it also is the reversing mode defrost of adopting cross valve 2, cold-producing medium is unlikely to flow in the second thermal source heat exchanger when making the commutation of cross valve 2, added a check valve P1 in the loop, this mode is economized the two Teat pump boiler structures of two thermals source most.The scheme that all adopts cross valve 2 and triple valve D all to commutate among technical scheme III, IV in the multicycle Teat pump boiler of two thermals source and the V, utilize the air-conditioner refrigeration cycle to carry out defrost, automatically adopt the defrost priority principle in the control, effect is fine, in the sleety weather in February 10～18 in 2005, the present invention program's defrosting effect is fine.
The 3rd innovative point of the present invention is, heat hydrophone big temperature variations at all seasons for adapting to air source heat pump, design has the heat pump capillaceous of two kinds of length to heat the closed circuit of water, for example adopts dosing triple valve 24 and the 3rd, the 4th throttle capillary tube J3 and J4 in technical scheme IV; With the structure that in technical scheme VII, adopts dosing triple valve 24 and first, second throttle capillary tube J1 and J2.
The 4th innovative point of the present invention is, double-source heat pump has been adopted the water-flow circuit that heats that does not disturb independent throttling mutually, for example among the technical scheme II, adopts the flow controller structure of triple valve 24 and first, second throttle capillary tube J1 and J2; In technical scheme III and IV, adopt the flow controller structure of triple valve 24 and the 3rd, the 4th throttle capillary tube J3 and J4.
The 5th innovative point of the present invention is, propose to use the pneumatic dosing triple valve 24 of the auxilliary valve of electromagnetism, and successfully in the loop of system, find electromagnetism to assist the connection method of the control source of the gas of valve, promptly " described dosing triple valve 24 is Pneumatic three-way valves of the auxilliary valve of electromagnetism, is similar to the structure of cross valve; The effective first tube connector L1 of public high pressure admission of the auxilliary valve 24a of its electromagnetism is connected on the compressor exhaust pipe, and the effective second tube connector L2 of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct." this technical breakthrough, solved a difficult problem that does not have suitable triple valve on the market, make the automation of multiloop heat pump cycle become possible.
The 6th innovative point of the present invention be, propose two thermals source divide with and shared heat pump heat the water scheme, see technical scheme VIII, ingenious be in control heat exchanger in the start-stop of the fan by the thermal source heat exchanger work whether.
When the second thermal source heat exchanger is indoor air cooling heat exchanger, be can be for indoor cold air when heating water; When the second thermal source heat exchanger is the hydro-thermal source heat exchanger, can utilize waste water, as the heat of waste water after the shower.
Air source many circulating heat pumps water heater of band fair water sleeves heat exchanger storage tank of the present invention, through experiment with actual use proof to have more to many advantage than general Teat pump boiler, not only capable of producing hot water throughout the year, the average specific electric heater is energy-conservation more than 70%, can also increase refrigerating capacity the economic benefits and social benefits energy-saving effect is arranged at the gas that freezes in summer; The gas that heats in the winter time can effectively thoroughly defrost, and improves the thermal efficiency; Can make DC heating formula, self-loopa heating heat storage type and three kinds of modes of DC heating heat accumulation concurrent heating formula and move, more energy-conservation, can be after start go out hot water in several minutes; Water temperature delamination is good in the water tank, can do transfiguration and store up boiler usefulness; Be with pressure heat supply water and need not booster pump; Helix tube, sleeve and water tank are made easily, are fit to produce in enormous quantities technology; Only need regulate the temperature adjustment flow regulating valve, the user just can obtain the hot water of suitable temperature and flow at any time, and water temperature can be 40～55 ℃ of adjustings, and a spray head water yield can reach 6～7 liters/minute, uses very conveniently, and structure is very simple.
Description of drawings:
Further describe structure and the operation principle of the fast hot heat storage type four seasons of the present invention below in conjunction with accompanying drawing by embodiment with the wind source heat pump water heater.
Accompanying drawing 1 is the embodiment 1 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, a kind of critical piece of single air source hot pump water heater, annexation principle schematic.
Accompanying drawing 2 is embodiment 2 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, a kind of critical piece of double heat source heat pump water heater, annexation principle schematic.
Accompanying drawing 3 is embodiment 3 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, critical piece, the annexation principle schematic of a kind of pair of many circulations of thermal source air conditioner Teat pump boiler.
Accompanying drawing 4 is embodiment 4 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, critical piece, the annexation principle schematic of another two many circulations of thermal source air conditioner Teat pump boiler.Characteristics are: heating water with the outdoor air thermal source has two kinds of throttle circuits.
Accompanying drawing 5 is embodiment 5 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, critical piece, the annexation principle schematic of another two many circulations of thermal source air conditioner Teat pump boiler are the throttle circuit of the capillary restrictor on the four-way road of simplifying.
Accompanying drawing 6 is embodiment 6 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, the critical piece of another single air source hot pump water heater, annexation principle schematic, the bypass pipe defrosting of dosing triple valve 24 and flow controller.
Accompanying drawing 7 is embodiment 7 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, and the critical piece of another single air source hot pump water heater, annexation principle schematic are binodal stream capillary tube loop.
Accompanying drawing 8 is embodiment 8 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, the critical piece of another double heat source heat pump water heater, annexation principle schematic.Characteristics: designs simplification has the function of using the heat absorption of two thermals source simultaneously.
Accompanying drawing 9 is a kind of structural representations of band fair water sleeves heat exchanger storage tank of the present invention.
Accompanying drawing 10 is another structural representation of band fair water sleeves heat exchanger storage tank of the present invention, and heat exchanger is detachable.
Specific embodiment:
Accompanying drawing 1 is the embodiment 1 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, a kind of critical piece of single air source hot pump water heater, annexation principle schematic.
Two frame of broken lines O and H represent chamber off-premises station and heat exchange heat storage water tank respectively in the accompanying drawing 1; Compressor 1, cross valve 2, flow controller J, outdoor air cooling heat exchanger 3 and outdoor machine fan 4 are housed in the off-premises station O; Heat exchange heat storage water tank H is made up of the water tank 9 of band insulation cladding and the water-cooled condensing heat exchanger 8 of interior dress, and cold water inlet 11, hot water outlet pipe 12, excess pressure safety valve 30 are arranged on the heat exchange heat storage water tank, and water non-return valve 17 and discharging valve 18 are housed on the water inlet pipe; Two interface valves are arranged, air-flow interface valve O on the off-premises station aWith liquid stream interface valve O b, the liquid stream interface valve O that goes out liquid interface 16 and off-premises station of water-cooled condensing heat exchanger 8 bConnect with tube connector; The intake interface 15 of water-cooled condensing heat exchanger 8 and the air-flow interface valve O of off-premises station aConnect with tube connector; The exhaust outlet of compressor 1 is connected with the public high pressure gas import of cross valve 2, and the common low pressure gas outlet of cross valve 2 is connected with the import of fluid reservoir 7, the high pressure gas normal open outlet of cross valve 2 and the air-flow interface valve O of off-premises station aConnect, the low pressure gas normal open road import of cross valve 2 is connected with the air-flow interface of outdoor air cooling heat exchanger 3, and the liquid stream interface of outdoor air cooling heat exchanger 3 is connected with the outlet of flow controller J; Cold-producing medium R22 is housed in the above-mentioned link circuit, and the closed circuit that heat pump heats water is: compressor 1 → cross valve 2 → water-cooled condensing heat exchanger 8 → flow controller J → outdoor air cooling heat exchanger 3 → fluid reservoir 7 → compressor; The cooling-water temperature sensor 13 of signals collecting and circuit control system, water temperature display controller 14 are contained on the housing of heat exchange heat storage water tank H, and the temperature sensor 21 of outdoor air cooling heat exchanger, circuit master controller 22 are contained on the off-premises station O; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
Increase in the water tank 9 of the band insulation cladding of described heat exchange heat storage water tank H fair water sleeves 10 is arranged; The heat exchanger tube 8 of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, the upper and lower side two ends of fair water sleeves respectively and leave spacing 5cm and 2cm between the top board of water tank and the base plate, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank H of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe 12 on the heat exchange heat storage water tank H is located at the top 3cm of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet 11 is located at water tank by the below, bottom; The hot junction of the heat exchanger tube 8 of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; One of the number of the spiral heat exchange tube of the heat exchanger tube of water-cooled condensing heat exchanger; The base plate into and out of pipe employing mechanical seal mode from water tank of the heat exchanger tube of water-cooled condensing heat exchanger, or pass on the side plate of water tank; Water tank diameter 35cm, high 55cm, winter, start can be got 40 ℃ of hot water in 6 minutes during full water tank cold water.
Defrosting control: when the temperature of surveying when the temperature sensor 21 of outdoor air cooling heat exchanger is lower than the defrosting lowest temperature value-6 ℃ of setting, the coil electricity of cross valve 2, the cross valve transposition, cold-producing medium is made anti-heat pump cycle and is flowed; The temperature retrieval of surveying when the temperature sensor 21 of outdoor air cooling heat exchanger is to setting when defrosting temperature upper limit the coil blackout of cross valve 2;
The operation principle of the Teat pump boiler of band fair water sleeves heat exchanger heat storage water tank: the storage tank of band fair water sleeves heat exchanger heats when trunkful cold water, it is starting compressor, refrigerant loop work, by outdoor air cooling heat exchanger from outdoor heat absorption, the sleeve inner cold water of water-cooled condensing heat exchanger heating, because the water yield seldom, be heated rapidly and rise to tank top, sleeve external cooling water density descends greatly, bottom in from sleeve bottom gap feeder current to sleeve, automatically form circulating reflux, and have the heat of adding big more, the automatic regulatory function that water velocity is fast more.Because the buffer action of sleeve, when hot water rises not can with the cold water blending, reduced the available energy loss.When embodiment tests, 60 liters in water tank, 21 ℃ of initial water temperatures, 18 ℃ of outdoor temperatures, compressor horsepower 1.8kW, self-loopa is not advanced the cold water mode and is heated, and the 5 minutes rear water box top hot water of starting shooting reaches 42 ℃, the 21 ℃ of heat in water tank bottom reach 52 ℃ after 10 minutes, reach 58 ℃ after 25 ℃ minutes, 45 ℃ of water tank bottoms.
Used band fair water sleeves of the present invention interior heating storage tank Teat pump boiler following characteristics and special use arranged:
(1) (or in interlayer) water is heated the back quick heating in the sleeve, can obtain hot water beginning to heat the back short time, is used for using on a small quantity the hot water occasion;
(2) thermal stratification is obvious in the water tank, at the bottom of the last surface temperature relative superiority or inferiority surface temperature, the self-loopa function is arranged, and large water tank also can only heat a small amount of hot water, has transfiguration to amass function;
When (3) the limit heating edge is used hot water when trunkful hot water is arranged, can provide the hot water of 50～58 ℃ of big flows for a long time, the heating power of increase function is arranged, be suitable for having a bath with hot water winter;
(4) have long-time direct current to supply with the hot water ability, the compressor heating power of 1.8kW power is about 6～7kW, with the big occasion of hot water amount;
As long as open external water intaking valve when using hot water, regulate the open degree that flow valve is transferred in temperature adjustment, just can obtain temperature required and hot water flow.The water inlet non-return valve is that the current in the storage tank that is used to prevent when tap water pipe line from cutting off the water supply lose, and discharging valve is that the water in the discharging storage tank is used when being used to overhaul.
The single circulating heat pump water heater only is suitable for south, frostless district to be used, and advantage simple in structure is arranged; It is more energy-conservation 70% than electric heater, but its is only from heat absorption and single throttle style of single source, has limited region and timeliness that it uses.
Accompanying drawing 2 is embodiment 2 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, a kind of critical piece of double heat source heat pump water heater, annexation principle schematic.
Two frame of broken lines O, I and H represent chamber off-premises station, the second thermal source heat exchanger assembly I and heat exchange heat storage water tank respectively in the accompanying drawing 2; Wherein first thermal source is the outdoor air source, and second thermal source is room air or hydro-thermal source; The double heat source heat pump water heater includes the cold-producing medium double circulation loop, water circuit system, signals collecting and circuit control system; Three parts by off-premises station O, heat exchange heat storage water tank H and the second thermal source heat exchanger assembly I are formed; Compressor 1, double loop switching mechanism, flow controller J, outdoor air cooling heat exchanger 3 and outdoor fan 4 are housed in the off-premises station O; Heat exchange heat storage water tank H is made up of the water tank 9 of band insulation cladding and the water-cooled condensing heat exchanger 8 of interior dress, and cold water inlet 11, hot water outlet pipe 12, excess pressure safety valve 30 are arranged on the heat exchange heat storage water tank, and water non-return valve 17, discharging valve 18 are housed on the water inlet pipe; The second thermal source heat exchanger assembly I includes the second thermal source heat exchanger 5, if also have indoor machine fan during the room air source heat exchanger, and independently is an assembly, if the water source heat exchanger can be with water circulating pump; The cooling-water temperature sensor 13 of signals collecting and circuit control system, water temperature display controller 14 are contained on the housing of heat exchange heat storage water tank, and the temperature sensor 21 of outdoor air cooling heat exchanger, circuit master controller 22 are contained on the off-premises station O; On the second thermal source heat exchanger temperature sensor 23 is housed; Circuit master controller 22 has lead to be connected with cooling-water temperature sensor 13 and two heat source temperature sensors 23 with the temperature sensor 21 of outdoor air cooling heat exchanger, and have circuit to control indoor machine fan 6 or the water circulating pump of water source heat exchanger and the valve of double loop switching mechanism of the indoor air cooling heat exchanger of compressor and the outdoor machine fan 4 and the second thermal source heat exchanger, making on request, pattern turns round automatically; When water temperature is lower than when setting value, for example 50 ℃ of starting compressors; Be higher than when setting value, for example cut off compressor power 55 ℃ the time; It is characterized in that:
Increase in the water tank 9 of the heat exchange heat storage water tank H that embodiment 2 uses fair water sleeves 10 is arranged; The heat exchanger tube 8 of water-cooled condensing heat exchanger turns to spiral heat exchange tube.Overall structure is identical with the heat exchange heat storage water tank structure of embodiment 1.
Also include 2, one dosing triple valves of a cross valve 24, first one-way valve P1, four off-premises station interface valves, i.e. first, second, third and fourth off-premises station interface valve O in the off-premises station O of embodiment 2 1, O 2, O 3, O 4Described double loop switching mechanism is made up of cross valve 2 and dosing triple valve 24, and flow controller is made up of the first and second throttle capillary tube J1 and J2; The connected mode of off-premises station O is: the exhaust outlet of compressor 1 is connected with the public high pressure gas import of cross valve 2, and the common low pressure gas outlet of cross valve is connected with fluid reservoir 7, the 3rd interface valve O on the high pressure gas normal open outlet of cross valve and the off-premises station 3Connect, the low pressure gas normal open import of cross valve is connected altogether with the outlet of the air-flow interface of outdoor air cooling heat exchanger 3 and the first check valve P1, the second interface valve O of the import of the first check valve P1 and off-premises station 2Connect; The 4th interface valve O on the import of dosing triple valve 24 and the off-premises station 4Connect, its normally closed outlet is connected with the import of the first throttle capillary J1 of flow controller, and its normal open outlet is connected with the import of the second throttle capillary tube J2; The first interface valve O of the outlet of first throttle capillary J1 and off-premises station 1Connect; The outlet of the second throttle capillary tube J2 is connected with the liquid stream interface of outdoor air cooling heat exchanger 3; Use four tube connectors again, respectively the first interface valve O of off-premises station 1Liquid stream interface I with the second thermal source heat exchanger 1, the second interface valve O of off-premises station 2Air-flow interface I with the second thermal source heat exchanger 2, the 3rd interface valve O of off-premises station 3With the intake interface 15 of the heat exchanger tube 8 of water-cooled condensing heat exchanger, the 4th interface valve O of off-premises station 4Connect and compose the loop with the liquid interface 6 that goes out of the heat exchanger tube of water-cooled condensing heat exchanger, perfusion cold-producing medium in the loop;
The dosing triple valve 24 that embodiment 2 uses is Pneumatic three-way valves that the auxilliary valve 24a of electromagnetism drives, the effective first tube connector L1 of high pressure admission of the auxilliary valve 24a of its electromagnetism is connected on the blast pipe of compressor 1, and the effective second tube connector L2 of low-pressure admission of the auxilliary valve of electromagnetism is connected on the air intake duct of compressor;
There are three kinds of cold-producing medium endless form in the system of embodiment 2:
First kind of circulation is to be that thermal source heats water with outdoor air, its flow process is low pressure gas normal open path → fluid reservoir 7 → compressor of the normal open interface → second throttle capillary tube J2 → outdoor air cooling heat exchanger 3 → cross valve 2 of the high pressure gas normal open path of compressor 1 → cross valve 2 → water-cooled condensing heat exchanger 8 → dosing triple valve 24; The coil of cross valve 2 and dosing triple valve 24 is in off-position, compressor, outdoor machine fan energising running;
Second kind of circulation is to heat water with second thermal source, its flow process is the normally closed interface → first throttle capillary J1 of the high pressure gas normal open path of the compressor 1 → cross valve 2 → water-cooled condensing heat exchanger 8 → dosing triple valve 24 → second thermal source heat exchanger, 5 → check valve P1 → cross valve, 2 (low pressure gas normal open path) → fluid reservoir 7 → compressors; The coil of cross valve 2 is in the outage attitude, and the coil of compressor and dosing triple valve 24 all is in "on" position, the running of also switching on of fan that the second thermal source heat exchanger 5 is related and water pump;
The third circulation is that defrost is used, its flow process is the normally closed path → fluid reservoir 7 → compressor of low pressure gas of the normal open interface → water-cooled condensing heat exchanger 8 → cross valve 2 of the normally closed path of the high pressure gas of compressor 1 → cross valve 2 → outdoor air cooling heat exchanger 3 → the second throttle capillary tubes J2 → dosing triple valve 24; When the temperature sensor 21 of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made the coil of compressor 1 and cross valve 2 all be in "on" position, and the coil and the outdoor machine fan of dosing dosing triple valve 24 are in off-position; When the temperature sensor 21 of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, make the coil of cross valve 2 and triple valve 24 all be in off-position, outdoor machine fan is replied "on" position;
Accompanying drawing 3 is embodiment 3 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, critical piece, the annexation principle schematic of a kind of pair of many circulations of thermal source air conditioner Teat pump boiler.First thermal source of embodiment 3 is the outdoor air source, and second thermal source is the room air thermal source.
Air source hot pump water heater in the accompanying drawing 3 is made of indoor set I, the heat exchange heat storage water tank H three-major-items of the off-premises station O shown in frame of broken lines O, I, the H, the second thermal source heat exchanger; Cold-producing medium has four kinds of closed circuits, also comprises water circuit system, signals collecting and circuit control system in the total system;
Off-premises station O comprises: first, second, third and fourth interface valve O of the temperature sensor 21 of compressor 1, gas circuit triple valve D, cross valve 2, outdoor air cooling heat exchanger 3, outdoor air cooling heat exchanger, outdoor machine fan 4, flow controller J, off-premises station 1, O 2, O 3, O 4Gas circuit triple valve D is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Its connected mode is: the blast pipe of compressor 1 is connected with the air inlet pipe of gas circuit triple valve D, the normal open outlet D of gas circuit triple valve D 1Be connected the normally closed outlet D of gas circuit triple valve D with the public high pressure gas import of cross valve 2 2With off-premises station the 3rd interface valve O 3Connect; The common low pressure gas interface of cross valve 2 is connected with the air inlet of fluid reservoir 7, and the high pressure gas normal open interface of cross valve 2 is connected with the air-flow interface of outdoor air cooling heat exchanger 3, the second interface valve O of normally closed interface of the high pressure gas of cross valve 2 and off-premises station 2Connect; Its flow controller J is provided with and heats water with, cooling and three imports using of system heating installation, heats import and off-premises station the 4th interface valve O of the flow controller J that water uses 4Connect, the import of cooling flow controller J is connected with the liquid stream interface of outdoor air cooling heat exchanger 3, import and the off-premises station first interface valve O of the flow controller J that system heating installation is used 1Connect; The common low pressure blast pipe d of the auxilliary valve d of the electromagnetism of gas circuit triple valve D 0Be connected on the compressor air suction pipeline of system; Use four tube connectors again, respectively the first interface valve O of off-premises station 1Liquid stream interface I with the second thermal source heat exchanger 1, the second interface valve O of off-premises station 2Air-flow interface I with the second thermal source heat exchanger 2, the 3rd interface valve O of off-premises station 3With the intake interface 15 of the heat exchanger tube 8 of water-cooled condensing heat exchanger, the 4th interface valve O of off-premises station 4Couple together perfusion cold-producing medium in the loop that is constituted with 8 the liquid interface 16 that goes out of the heat exchanger tube of water-cooled condensing heat exchanger;
The cooling-water temperature sensor 13 of signals collecting and circuit control system, water temperature display controller 14 are contained on the heat exchange heat storage water tank housing, and the temperature sensor 21 of outdoor air cooling heat exchanger and circuit master controller 22 are contained on the off-premises station O; On the second thermal source heat exchanger temperature sensor 23 is housed; Circuit master controller 22 has lead to be connected with the cooling-water temperature sensor 13 and the second heat source temperature sensor 23 with the temperature sensor 21 of outdoor air cooling heat exchanger, and the valve that the water circulating pump of the indoor machine fan 6 of indoor air cooling heat exchanger of circuit control compressor and the outdoor machine fan 4 and the second thermal source heat exchanger or water source heat exchanger and multiloop switching mechanism arranged on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
Increase in the water tank 9 of described heat exchange heat storage water tank H fair water sleeves 10 is arranged; The heat exchanger tube 8 of water-cooled condensing heat exchanger turns to spiral heat exchange tube, standing on diameter is within the single fair water sleeves of 15cm, leave the 5mm gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, the upper and lower side two ends of fair water sleeves respectively and leave 6cm and 2cm spacing between the top board of heat exchange heat storage water tank and the base plate, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank H of band fair water sleeves heat exchanger thus; The high 70cm of heat exchange heat storage water tank, diameter 32cm.The inner port of hot water outlet pipe 12 on the heat exchange heat storage water tank H is located at the about 3～4cm in top of spiral heat exchange tube of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet 11 is located at water tank by the below, bottom; 8 hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, cold-producing medium be from the heat exchanger tube of water-cooled condensing heat exchanger collar flow to the foundation ring; 4 of the numbers of the spiral heat exchange tube of the heat exchanger tube of water-cooled condensing heat exchanger adopt cross cap cast formula to arrange; The base plate into and out of pipe employing mechanical seal mode from water tank of the heat exchanger tube of water-cooled condensing heat exchanger, or pass on the side plate of water tank;
Described flow controller J is the capillary restrictor on four-way road, and it is by first and second totally two check valve P1, P2 and first, second, third and fourth throttle capillary tube J1, J2, J3, J4 totally four sections capillaries, and a dosing triple valve 24 constitutes; Its connected mode is: the import of the second check valve P2 is the import that heats the flow controller J that water uses, the outlet of the second check valve P2 is connected with the import of dosing triple valve 24, the normal open outlet of dosing triple valve 24 is connected with the import of the 3rd throttle capillary tube J3, and the normally closed outlet of dosing triple valve 24 is connected with the import of the 4th throttle capillary tube J4; The import of the outlet of the 3rd throttle capillary tube J3 and first throttle capillary J1 and the off-premises station first interface valve O 1Connect the import of the flow controller J that its common interface is used for system heating installation; The outlet of the outlet of the 4th throttle capillary tube J4, second throttle capillary tube J2 system heating installation time spent and the import of the first check valve P1 and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger, be the import of cooling flow controller J; The import of the outlet of the first check valve P1, second throttle capillary tube and first throttle capillary are that import connects altogether when also being refrigerating circuit in the outlet of system heating installation time spent;
Described dosing triple valve 24 is Pneumatic three-way valves of the auxilliary valve of electromagnetism; The effective first tube connector L1 of public high pressure admission of the auxilliary valve 24a of its electromagnetism is connected on the compressor exhaust pipe, and the effective second tube connector L2 of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct;
Cold-producing medium has five kinds of endless form, can organize refrigeration, makes heating installation, heat hold concurrently refrigeration, heat pump of water and heat water, ventilation, dehumidifying and defrost function mode operation;
First kind of circulation is kind of refrigeration cycle, its flow process is low pressure gas normal open path → fluid reservoir 7 → compressor 1 of the high pressure gas normal open path of normal open path D1 → cross valve 2 of the compressor 1 → gas circuit triple valve D → outdoor air cooling heat exchanger 3 → outdoor first check valve P1 → first throttle capillary J1 → second thermal source heat exchanger, 5 → cross valve 2; Control mode: the fan or the water pump of compressor 1, outdoor machine fan 4, the second thermal source heat exchanger 5 have electricity, and the coil of gas circuit triple valve D, cross valve 2 and dosing triple valve 24 does not have;
Second kind of circulation is the circulation of system heating installation, its flow process is the normally closed path → fluid reservoir 7 → compressor 1 of low pressure gas of the normally closed path of high pressure gas of normal open path D1 → cross valve 2 of the compressor 1 → gas circuit triple valve D → second thermal source heat exchanger, the 5 → first throttle capillary J1 → second throttle capillary tube J2 → outdoor air cooling heat exchanger 3 → cross valve 2; Control mode: the coil portion of the fan of compressor 1, outdoor machine fan 4, the second thermal source heat exchanger 5 or water pump, cross valve 2 has electricity, and the coil of gas circuit triple valve D and dosing triple valve 24 does not have;
The third circulation is to heat the water kind of refrigeration cycle of holding concurrently, absorb heat from second thermal source, its flow process is low pressure gas normal open path → fluid reservoir 7 → compressor 1 of normal open path → the 3rd throttle capillary tube J3 of the normally closed path D2 of compressor 1 → gas circuit triple valve D → water-cooled condensing heat exchanger 8 → the second check valves P2 → dosing triple valve 24 → second thermal source heat exchanger, 5 → cross valve 2; Control mode: the coil of compressor 1, gas circuit triple valve D and the fan or the water pump of the second thermal source heat exchanger 5 have electricity, and the coil of outdoor machine fan 4, cross valve 2 and dosing triple valve 24 does not have;
The 4th kind of circulation is that heat pump heats the water circulation, absorb heat from outdoor air, its flow process is the normally closed path → fluid reservoir 7 → compressor 1 of low pressure gas of normally closed path → the 4th throttle capillary tube J4 → outdoor air cooling heat exchanger 3 → cross valve 2 of the normally closed path D2 of compressor 1 → gas circuit triple valve D → water-cooled condensing heat exchanger 8 → the second check valves P2 → dosing triple valve 24; Control mode: the coil of compressor 1, outdoor machine fan 4, gas circuit triple valve D, cross valve 2 and dosing triple valve 24 has electricity, and the fan or the water pump of the second thermal source heat exchanger 5 do not have;
The 5th kind of circulation is defrost cycle, during defrosting the circulation process of cold-producing medium with first kind kind of refrigeration cycle, but control mode difference; When heat pump heats water or system heating installation mode operation, when the temperature sensor 21 of outdoor air cooling heat exchanger is lower than defrosting design temperature lower limit, circuit controller does not have the fan or the water pump of coil, outdoor machine fan 4 and the second thermal source heat exchanger 5 of gas circuit triple valve D, cross valve 2, dosing triple valve 24, all be in off-position, only keep compressor 1 and be in "on" position; When the temperature sensor 21 of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, system is returned to heat pump again and heats water circulation mode, even the coil of compressor 1, outdoor machine fan 4, gas circuit triple valve D, cross valve 2 and dosing triple valve 24 has, the fan or the water pump of the second thermal source heat exchanger 5 do not have, or be returned to the system heating installation mode, the coil that is the fan of compressor 1, outdoor machine fan 4, the second thermal source heat exchanger 5 or water pump, cross valve 2 all has electricity, and the coil of gas circuit triple valve D and dosing triple valve 24 does not have;
The control principle of carrying out is: defrosting has precedence over and heats water, heat water and have precedence over air-conditioning, promptly in defrosting, heat water and air-conditioning all will carry out the time, carry out the defrosting mode operation earlier, inferior execution heats the aqueous mode operation, carries out the air conditioning mode operation again;
Air vent mode only indoor fan rotates; Cold-producing medium is made kind of refrigeration cycle during dehumidification mode.
Present embodiment uses 2 cabinet air-conditioner transformations, input power 1.85kW, and 11 ℃ of environment temperature heat production water-horse power 5.8kw, COP is 3.1, outside air temperature-5 ℃, running water also can produce 55 ℃ of hot water for 7 ℃, and COP about 2.4.At the sleety weather of outside air temperature-3～3 ℃, frosting is serious, and defrost is frequent, wants defrost once in per 20 minutes when serious, and about 2～4 minutes of defrost time, defrost is thorough.
Accompanying drawing 4 is embodiment 4 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, critical piece, the annexation principle schematic of another two many circulations of thermal source air conditioner Teat pump boiler, characteristics are: outdoor air heats water two kinds of throttle circuits.
The essential distinction of two many circulations of the thermal source air conditioner Teat pump boilers of the embodiment 4 shown in the accompanying drawing 4 and two many circulations of the thermal source air conditioner Teat pump boilers of the embodiment 3 shown in the accompanying drawing 3 only is flow controller J is changed, the flow controller J of technical scheme IV is the capillary restrictor on five-way road, the check valve cancellation before the dosing triple valve 24 of technical scheme III, replace with second and third two check valve P2, P3 of being connected on the 3rd throttle capillary tube J3 outlet and since the outlet of second and third check valve P2, P3 be respectively with the off-premises station first interface valve O 1, outdoor air cooling heat exchanger 3 the liquid stream interface connect, the institute so that the 3rd throttle capillary tube J3 can be used as from the outdoor air source with from the indoor air source heat-obtaining, heat the throttle capillary tube of two kinds of circulations of water, and for two kinds of length throttle capillary tube J3 and J4 can be arranged from the outdoor air source, increased adaptability for working condition, super-pressure in summer can be avoided, the situation of high temperature can be difficult to keep winter again.
Accompanying drawing 5 is embodiment 5 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, and critical piece, the annexation principle schematic of another two many circulations of thermal source air conditioner Teat pump boiler are the throttle circuit of simplifying.
Embodiment 5 promptly is technical scheme V, and its flow controller J is the capillary restrictor on the four-way road of simplifying, it by first, second and third totally three check valve P1, P2, P3 and first, second and third throttle capillary tube J1, J2, J3 totally three sections capillaries constitute; Its connected mode is: the import of the 3rd throttle capillary tube J3 is the import that heats the flow controller that water uses, and the outlet of the 3rd throttle capillary tube J3 is connected with the import of second and third check valve P2, P3; The import of the outlet of the second check valve P2 and first throttle capillary J1 and the off-premises station first interface valve O 1Connect the import of the flow controller that its common interface is used for system heating installation; The second throttle capillary tube J2 the import of the outlet of the system outlet of heating installation time spent and the 3rd check valve and the first check valve P1 and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger 3, be the import of cooling flow controller; The import of the outlet of the first check valve P1, second throttle capillary tube and first throttle capillary are that import connects altogether when promptly cooling in the outlet of system heating installation time spent.Compare with IV with technical scheme III, saved a dosing triple valve 24 and the 4th throttle capillary tube J4, structure is very simple, move also reliable, shortcoming is when winter, water temperature needed 55 ℃ of high temperature, and rising at 50 ℃ has the lower amount of refrigerant crossfire to go to the indoor set heat exchanger, heats water efficient and slightly reduces.But few of influence in actual the use, because it is very short to heat the time of water, 50 premium on currency case per minutes can heat up 1 ℃, the plenty of time still is used to make heating installation.The cold-heat air-conditioning, water-heating three-purpose machine that this scheme is done family expenses is suitable for.Work as the water tank water temperature winter at 55 ℃, and heating continuously, can satisfy 50 ℃ of shower demands.
Accompanying drawing 6 is embodiment 6 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, the critical piece of another single air source hot pump water heater, annexation principle schematic, the bypass pipe defrosting of dosing triple valve 24 and flow controller.
Difference shown in single air source hot pump water heater shown in the accompanying drawing 6 and the accompanying drawing 1 is, has cancelled cross valve 2 in the off-premises station O, and increases the bypass pipe L3 of a dosing triple valve 24 and flow controller before flow controller; The junction of its change is: the air-flow interface valve O of the blast pipe of compressor 1 and off-premises station aConnect the liquid stream interface valve O of off-premises station bBe connected with the import of dosing triple valve 24, the normal open outlet of dosing triple valve 24 is connected with the import of flow controller J, and the normally closed outlet of dosing triple valve 24 is connected with bypass pipe L3; The outlet of bypass pipe L3 and flow controller J is connected with the liquid stream interface of outdoor air cooling heat exchanger 3, and the air-flow interface of outdoor air cooling heat exchanger 3 is connected with the import of fluid reservoir 7, and the outlet of fluid reservoir 7 is connected with the import of compressor 1; Described dosing triple valve 24 is Pneumatic three-way valves that the auxilliary valve of electromagnetism is arranged; The effective first tube connector L1 of public high pressure admission of the auxilliary valve 24a of its electromagnetism is connected on the compressor exhaust pipe, and the effective second tube connector L2 of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct; System uses two tube connectors again, respectively the liquid stream interface valve O of off-premises station bWith the cold-producing medium intake interface 15 of water-cooled condensing heat exchanger 8, the air-flow interface valve O of off-premises station aGo out liquid interface 16 with the cold-producing medium of water-cooled condensing heat exchanger 8 and couple together, perfusion cold-producing medium in the loop that is constituted;
Two kinds of circulations of refrigerant loop tissue: heat pump heats water circulation, defrost cycle;
The flow process that heat pump heats the water circulation is: the normal open path → flow controller J of compressor 1 → water-cooled condensing heat exchanger 8 → dosing triple valve 24 → outdoor air cooling heat exchanger 3 → fluid reservoir 7 → compressor; Control mode: compressor energising running, the coil of dosing triple valve 24 does not have electricity, when the temperature that measures when cooling-water temperature sensor 13 is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power;
The flow process of defrost cycle is: the normally closed path → bypass pipe L3 of compressor 1 → water-cooled condensing heat exchanger 8 → dosing triple valve 24 → outdoor air cooling heat exchanger 3 → fluid reservoir 7 → compressor; Control mode: when the temperature sensor 21 of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made coil electricity, the compressor of dosing triple valve 24 continue to have; When the temperature sensor 21 of outdoor air cooling heat exchanger was higher than the higher limit of the design temperature that defrosts, system was returned to heat pump again and heats water circulation mode, even compressor 1, outdoor machine fan 4 have the coil blackout of electricity, dosing triple valve 24;
Owing to adopt throttling bypass defrosting, the impact when having avoided the cold-producing medium reverse flow.
Accompanying drawing 7 is embodiment 7 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, the critical piece of another single air source hot pump water heater, annexation principle schematic.Characteristics: binodal stream capillary tube loop is arranged, still use four-way valve defrosting.
Difference shown in the accompanying drawing 7 of single air source hot pump water heater of the band fair water sleeves heat exchanger storage tank shown in the accompanying drawing 7 is: flow controller J is changed into by a dosing triple valve 24 and first throttle capillary J1 and the second throttle capillary tube J2 form; The import of dosing triple valve 24 and off-premises station liquid stream interface valve O bConnect, be connected with the helix tube lower port of water-cooled condensing heat exchanger 8 through tube connector again; Two normal opens of dosing triple valve 24 are connected with first, second throttle capillary tube J1, J2 respectively with normally closed outlet, the outlet of first, second throttle capillary tube J1, J2 and connect the back be connected with the liquid stream interface of outdoor air cooling heat exchanger; The Teat pump boiler of double capillary can be organized the circulation of two kinds of different capillary pipe lengths, and weather is warmmer, in the time of for example more than 20 ℃, selects short capillary for use; Select long capillary when colder for use.So do, can overcome and cause high pressure superpressure and winter again because of the capillary flow too much makes the high pressure deficiency because of the capillary flow quantity not sufficient summer, water temperature does not reach the defect of designing requirement.
Set cross valve 2 is that defrost is used on refrigerant loop, and its operation principle is with embodiment 1.
Band defrost function list thermal source double-circulating heat pump water heater has enlarged the scope of application, can improve the average COP value of equipment, but it only from the heat absorption of single source, particularly utilizes the heat pump of outdoor air thermal source can not utilize its refrigeration in summer, and total energy approach is not enough.Therefore, be necessary to promote the double heat source heat pump water heater.
Accompanying drawing 8 is embodiment 8 of the air source hot pump water heater of band fair water sleeves heat exchanger storage tank of the present invention, the critical piece of another double heat source heat pump water heater, annexation principle schematic.Characteristics: designs simplification has the function of using the heat absorption of two thermals source simultaneously.
Distinctive points shown in double heat source heat pump water heater shown in the accompanying drawing 8 and the accompanying drawing 2 is: cancelled dosing triple valve 24, two capillaries are merged into 1.The concrete connected mode of its flow controller is: the 4th interface valve O of the import of flow controller J and off-premises station 4Connect, the outlet of flow controller J divides two-way, respectively with the first interface valve O of off-premises station 1Be connected with the liquid stream interface of outdoor air cooling heat exchanger;
System can organize four kinds of circulations:
First kind of circulation is to be that thermal source heats water with outdoor air, its flow process is low pressure gas normal open path → fluid reservoir 7 → compressor of the high pressure gas normal open path of compressor 1 → cross valve 2 → water-cooled condensing heat exchanger 8 → flow controller J → outdoor air cooling heat exchanger 3 → cross valve 2; The coil of cross valve 2 and the second thermal source heat exchanger, 5 related fan and water pumps are in off-position, compressor, outdoor machine fan energising running;
Second kind of circulation is to heat water with second thermal source, its flow process is the high pressure gas normal open path of the compressor 1 → cross valve 2 → water-cooled condensing heat exchanger 8 → flow controller J → second thermal source heat exchanger, 5 → the first check valve P1 → cross valves 2 (low pressure gas normal open path) → fluid reservoir 7 → compressor; The coil of cross valve 2 and outdoor machine fan are in the outage attitude, the running of also switching on of fan that the compressor and the second thermal source heat exchanger 5 are related and water pump;
The third circulation is to heat water with the outdoor air and second thermal source simultaneously, and its flow process is the high pressure gas normal open path of compressor 1 → cross valve 2 → water-cooled condensing heat exchanger 8 → flow controller J → minute two-way: the first via outdoor air cooling heat exchanger 3 of flowing through; The second road second thermal source heat exchanger, 5 → the first check valve P1 that flow through; The two-way low pressure gas normal open path → fluid reservoir 7 → compressor of cross valve 2 of flowing through of joining; The coil of cross valve 2 is in the outage attitude, the running of also switching on of fan 6 that compressor, outdoor machine fan and the second thermal source heat exchanger 5 are related and water pump;
The 4th kind of circulation is defrost usefulness, and its flow process is the normally closed path → fluid reservoir 7 → compressor of low pressure gas of the normally closed path of the high pressure gas of compressor 1 → cross valve 2 → outdoor air cooling heat exchanger 3 → flow controller J → water-cooled condensing heat exchanger 8 → cross valve 2; When the temperature sensor 21 of outdoor air cooling heat exchanger is lower than defrosting design temperature lower limit, circuit controller makes the coil of compressor 1 and cross valve 2 all be in "on" position, and outdoor machine fan and the second thermal source heat exchanger, 5 related fan 6 and water pumps are in off-position; When the temperature sensor 21 of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, make the coil of cross valve 2 all be in off-position, compressor keeps energising, and outdoor machine fan is replied "on" position;
This design system needs bigger fluid reservoir, during two thermal source heat-obtaining, heats water-horse power and strengthens.
The key point of this programme is by the start-stop of the fan of control thermal source heat exchanger, whether controls the work of thermal source heat exchanger.
Accompanying drawing 9 is a kind of structural representations of band fair water sleeves heat exchanger storage tank of the present invention.
This is a kind of band fair water sleeves heat exchanger storage tank H that the spiral heat exchange tube that water-cooled condensing heat exchanger 8 is arranged in the heat-insulation layer water tank 9 stands on form in the fair water sleeves 10 that has; The spiral heat exchange tube of water-cooled condensing heat exchanger 8 has two reels, intersects nested; The intake interface 15 of the spiral heat exchange tube of water-cooled condensing heat exchanger 8 and go out the upper and lower that liquid interface 16 passes the water tank sidewall respectively; The spiral heat exchange tube of fair water sleeves 10 and water-cooled condensing heat exchanger 8 is fixed in the tube by support 31, tank top is equipped with excess pressure safety valve 31, lower sidewall has water inlet pipe 11, top that outlet pipe 12 is arranged, and the outlet pipe position is higher than the spiral heat exchange tube of fair water sleeves and water-cooled condensing heat exchanger 8; Side wall upper part also is equipped with cooling-water temperature sensor 13 and water temperature display setting device 14.
Accompanying drawing 10 is another structural representation of band fair water sleeves heat exchanger storage tank of the present invention, and heat exchanger is detachable.
The band fair water sleeves heat exchanger storage tank shown in the accompanying drawing 10 and the difference of accompanying drawing 9 are: the heat exchanger tube 8 of water-cooled condensing heat exchanger and fair water sleeves 10 are at first to be installed on the base flange plate 28, and base flange plate 28 uses mechanical fastener and sealing gasket fixed seal connection again on the base plate of water tank.

Claims (8)

1. single air source hot pump water heater of band fair water sleeves heat exchanger storage tank is made up of two bodies of off-premises station and heat exchange heat storage water tank, includes refrigerant circulation loop, water circuit system, signals collecting and circuit control system; Compressor, cross valve, flow controller, outdoor air cooling heat exchanger and outdoor machine fan are housed in the off-premises station; The heat exchange heat storage water tank is become by the water-cooled of band water tank of insulation cladding and the interior dress heat exchanger package of condensing, and cold water inlet, hot water outlet pipe, excess pressure safety valve are arranged on the heat exchange heat storage water tank, and water non-return valve and discharging valve are housed on the water inlet pipe; Two interface valves are arranged on the off-premises station, air-flow interface valve and liquid stream interface valve, the liquid interface that goes out of water-cooled condensing heat exchanger is connected with tube connector with the liquid stream interface valve of off-premises station, and the intake interface of water-cooled condensing heat exchanger is connected with tube connector with the air-flow interface valve of off-premises station; The exhaust outlet of compressor is connected with the public high pressure gas import of cross valve, the common low pressure gas outlet of cross valve is connected with the import of fluid reservoir, the high pressure gas normal open outlet of cross valve is connected with the air-flow interface valve of off-premises station, the low pressure gas normal open road import of cross valve is connected with the air-flow interface of outdoor air cooling heat exchanger, and the liquid stream interface of outdoor air cooling heat exchanger is connected with the outlet of flow controller; In the above-mentioned link circuit cold-producing medium is housed, the closed circuit that heat pump heats water is: compressor → cross valve → water-cooled condensing heat exchanger → flow controller → outdoor air cooling heat exchanger → fluid reservoir → compressor; The cooling-water temperature sensor of signals collecting and circuit control system, water temperature display controller are contained on the housing of heat exchange heat storage water tank, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
1.1, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank;
1.2, defrosting control: when the temperature of surveying when the temperature sensor of outdoor air cooling heat exchanger is lower than the defrosting lowest temperature value of setting, the coil electricity of cross valve, the cross valve transposition, cold-producing medium is made anti-heat pump cycle and is flowed; The temperature retrieval of surveying when the temperature sensor of outdoor air cooling heat exchanger is to setting when defrosting temperature upper limit the coil blackout of cross valve.
2. be with the double heat source heat pump water heater of fair water sleeves heat exchanger storage tank, wherein first thermal source is the outdoor air source, and second thermal source is room air or hydro-thermal source; The double heat source heat pump water heater is made up of three parts of off-premises station, heat exchange heat storage water tank and the second thermal source heat exchanger assembly, includes the cold-producing medium double circulation loop, water circuit system, signals collecting and circuit control system; Compressor, double loop switching mechanism, flow controller, outdoor air cooling heat exchanger and outdoor fan are housed in the off-premises station; The heat exchange heat storage water tank is become by the water-cooled of band water tank of insulation cladding and the interior dress heat exchanger package of condensing, and cold water inlet, hot water outlet pipe, excess pressure safety valve are arranged on the heat exchange heat storage water tank, and water non-return valve, discharging valve are housed on the water inlet pipe; The second thermal source heat exchanger assembly is cold water source heat exchanger or room air source heat exchanger, and the room air source heat exchanger also has indoor machine fan; The cooling-water temperature sensor of signals collecting and circuit control system, water temperature display controller are contained on the housing of heat exchange heat storage water tank, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; On the second thermal source heat exchanger temperature sensor is housed; The circuit master controller has lead to be connected with temperature sensor, cooling-water temperature sensor and the second heat source temperature sensor of outdoor air cooling heat exchanger, and there is circuit to control compressor, outdoor machine fan, the water circulating pump of the indoor machine fan of the indoor air cooling heat exchanger of the second thermal source heat exchanger or water source heat exchanger, the valve of double loop switching mechanism, make the double heat source heat pump water heater on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
2.1, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank;
2.2, also include a cross valve, a dosing triple valve, first one-way valve, four off-premises station interface valves, i.e. first, second, third and fourth off-premises station interface valve in the described off-premises station; Described double loop switching mechanism is made up of cross valve and dosing triple valve; Flow controller is made up of the first throttle capillary and second throttle capillary tube; The off-premises station inner connection mode is: the exhaust outlet of compressor is connected with the public high pressure gas import of cross valve, the common low pressure gas outlet of cross valve is connected with fluid reservoir, the high pressure gas normal open outlet of cross valve is connected with the 3rd interface valve on the off-premises station, the low pressure gas normal open import of cross valve is connected altogether with the outlet of the air-flow interface of outdoor air cooling heat exchanger and first check valve, and the import of first check valve is connected with second interface valve of off-premises station; The import of dosing triple valve is connected with the 4th interface valve on the off-premises station, and its normally closed outlet is connected with the import capillaceous of the first throttle of flow controller, and its normal open outlet is connected with the import of second throttle capillary tube of flow controller; First throttle outlet capillaceous is connected with first interface valve of off-premises station; The outlet of second throttle capillary tube is connected with the liquid stream interface of outdoor air cooling heat exchanger; Use four tube connectors again, respectively the liquid stream interface of first interface valve of off-premises station and the second thermal source heat exchanger, the air-flow interface of second interface valve of off-premises station and the second thermal source heat exchanger, the intake interface of the 3rd interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger, the liquid interface that goes out of the 4th interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger connects and composes the loop, perfusion cold-producing medium in the loop;
2.3, described dosing triple valve is the Pneumatic three-way valve that the auxilliary valve of electromagnetism drives, effective first tube connector of high pressure admission of the auxilliary valve of its electromagnetism is connected on the blast pipe of compressor, effective second tube connector of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct;
2.4, cold-producing medium has three kinds of endless form:
First kind of circulation is to be that thermal source heats water with outdoor air, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the normal open interface → second throttle capillary tube → outdoor air cooling heat exchanger → cross valve of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve; The coil of cross valve and dosing triple valve is in off-position, compressor, outdoor machine fan energising running;
Second kind of circulation is to heat water with second thermal source, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the normally closed interface → first throttle capillary of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve → second thermal source heat exchanger → first check valve → cross valve; The coil of cross valve is in the outage attitude, and the coil of compressor and dosing triple valve all is in "on" position, the running of also switching on of fan that the second thermal source heat exchanger is related and water pump;
The third circulation is that defrost is used, its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of the normal open interface → water-cooled condensing heat exchanger → cross valve of the normally closed path of the high pressure gas of compressor → cross valve → outdoor air cooling heat exchanger → second throttle capillary tube → dosing triple valve; When the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made the coil of compressor and cross valve all be in "on" position, and the coil and the outdoor machine fan of dosing triple valve are in off-position; When the temperature sensor of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, make the coil of cross valve and dosing triple valve all be in off-position, outdoor machine fan is replied "on" position.
3. be with two many circulations of thermal source air conditioner Teat pump boilers of fair water sleeves heat exchanger storage tank, wherein first thermal source is the outdoor air source, and second thermal source is room air or hydro-thermal source, and cold-producing medium has four kinds of closed circuits, also comprise water circuit system in the total system, signals collecting and circuit control system; Total system is made of indoor set, the heat exchange heat storage water tank three-major-items of off-premises station, the second thermal source heat exchanger;
Off-premises station comprises: first, second, third and fourth interface valve of the temperature sensor of compressor, gas circuit triple valve, cross valve, outdoor air cooling heat exchanger, outdoor air cooling heat exchanger, outdoor machine fan, flow controller, off-premises station; The gas circuit triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Its connected mode is: the blast pipe of compressor is connected with the air inlet pipe of gas circuit triple valve, and the normal open outlet of gas circuit triple valve is connected with the public high pressure gas import of cross valve, and the normally closed outlet of gas circuit triple valve is connected with off-premises station the 3rd interface valve; The common low pressure gas interface of cross valve is connected with the air inlet of fluid reservoir, and the high pressure gas normal open interface of cross valve is connected with the air-flow interface of outdoor air cooling heat exchanger, and the normally closed interface of the high pressure gas of cross valve is connected with second interface valve of off-premises station; Its flow controller is provided with and heats water with, cooling and three imports using of system heating installation, the import that heats the flow controller that water uses is connected with off-premises station the 4th interface valve, the import of cooling flow controller is connected with the liquid stream interface of outdoor air cooling heat exchanger, and the import of the flow controller that system heating installation is used is connected with off-premises station first interface valve; The common low pressure blast pipe of the auxilliary valve of the electromagnetism of gas circuit triple valve is connected on the compressor air suction pipeline of system; Use four tube connectors again, respectively the liquid stream interface of first interface valve of off-premises station and the second thermal source heat exchanger, the air-flow interface of second interface valve of off-premises station and the second thermal source heat exchanger, the 3rd interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger, it is the intake interface of spiral heat exchange tube, the liquid interface that goes out of the 4th interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger couples together, perfusion cold-producing medium in the loop that is constituted;
The cooling-water temperature sensor of signals collecting and circuit control system, water temperature display controller are contained on the heat exchange heat storage water tank housing, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; On the second thermal source heat exchanger temperature sensor is housed; The circuit master controller has lead to be connected with temperature sensor, cooling-water temperature sensor and the second heat source temperature sensor of outdoor air cooling heat exchanger, and the valve that the water circulating pump of the indoor machine fan of indoor air cooling heat exchanger of circuit control compressor and the outdoor machine fan and the second thermal source heat exchanger or water source heat exchanger and multiloop switching mechanism arranged on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
3.1, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank;
3.2, described flow controller is the capillary restrictor on four-way road, it is by first and second totally two check valves and first, second, third and fourth throttle capillary tube totally four sections capillaries, and a dosing triple valve constitutes; Its connected mode is: the import of second check valve is the import that water is used that heats of flow controller, the outlet of second check valve is connected with the import of dosing triple valve, the normal open outlet of dosing triple valve is connected with the import of the 3rd throttle capillary tube, and the normally closed outlet of dosing triple valve is connected with the import of the 4th throttle capillary tube; The outlet of the 3rd throttle capillary tube is connected with off-premises station first interface valve with first throttle import capillaceous, and its common interface is the import that the system heating installation of flow controller is used; The outlet of the 4th throttle capillary tube, second throttle capillary tube the import of the outlet of system heating installation time spent and first check valve and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger, be the cooling import of flow controller; The import of the outlet of first check valve, second throttle capillary tube and first throttle capillary are that import connects altogether when also being refrigerating circuit in the outlet of system heating installation time spent;
3.3, described dosing triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Effective first tube connector of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and effective second tube connector of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct;
3.4, cold-producing medium has five kinds of endless form, can organize refrigeration, make heating installation, heat hold concurrently refrigeration, heat pump of water and heat water, ventilation, dehumidifying and defrost function mode operation;
First kind of circulation is kind of refrigeration cycle, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the high pressure gas normal open path → outdoor air cooling heat exchanger → first check valve → first throttle capillary of the normal open path → cross valve of compressor → gas circuit triple valve → second thermal source heat exchanger → cross valve; Control mode: the fan or the water pump of compressor, outdoor machine fan, the second thermal source heat exchanger have electricity, and the coil of gas circuit triple valve, cross valve and dosing triple valve does not have;
Second kind of circulation is the circulation of system heating installation, its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of the normally closed path of high pressure gas of the normal open path → cross valve of compressor → gas circuit triple valve → second thermal source heat exchanger → first throttle capillary → second throttle capillary tube → outdoor air cooling heat exchanger → cross valve; Control mode: the coil portion of the fan of compressor, outdoor machine fan, the second thermal source heat exchanger or water pump, cross valve has electricity, and the coil of gas circuit triple valve and dosing triple valve does not have;
The third circulation is to heat the water kind of refrigeration cycle of holding concurrently, absorb heat from second thermal source, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of normal open path → the 3rd throttle capillary tube of the normally closed path → water-cooled condensing heat exchanger → second check valve → dosing triple valve of compressor → gas circuit triple valve → second thermal source heat exchanger → cross valve; Control mode: the coil of compressor, gas circuit triple valve and the fan or the water pump of the second thermal source heat exchanger have electricity, and the coil of outdoor machine fan, cross valve and dosing triple valve does not have;
The 4th kind of circulation is that heat pump heats the water circulation, absorb heat from outdoor air, its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of normally closed path → the 4th throttle capillary tube → outdoor air cooling heat exchanger → cross valve of the normally closed path → water-cooled condensing heat exchanger → second check valve → dosing triple valve of compressor → gas circuit triple valve; Control mode: the coil of compressor, outdoor machine fan, gas circuit triple valve, cross valve and dosing triple valve has electricity, and the fan or the water pump of the second thermal source heat exchanger do not have;
The 5th kind of circulation is defrost cycle, during defrosting the circulation process of cold-producing medium with first kind kind of refrigeration cycle, but control mode difference; When heat pump heats water or system heating installation mode operation, when the temperature sensor of outdoor air cooling heat exchanger is lower than defrosting design temperature lower limit, circuit controller does not have the fan or the water pump of coil, outdoor machine fan and the second thermal source heat exchanger of gas circuit triple valve, cross valve, dosing triple valve, all be in off-position, only keep compressor and be in "on" position; When the temperature sensor of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, system is returned to heat pump again and heats water circulation mode, even the coil of compressor, outdoor machine fan, gas circuit triple valve, cross valve and dosing triple valve has, the fan or the water pump of the second thermal source heat exchanger do not have, or be returned to the system heating installation mode, the coil that is the fan of compressor, outdoor machine fan, the second thermal source heat exchanger or water pump, cross valve all has electricity, and the coil of gas circuit triple valve and dosing triple valve does not have;
3.5, the control principle carried out is: defrosting has precedence over and heats water, heat water and have precedence over air-conditioning, promptly in defrosting, heat water and air-conditioning all will carry out the time, carry out the defrosting mode operation earlier, inferior execution heats the aqueous mode operation, carries out the air conditioning mode operation again.
4. be with two many circulations of thermal source air conditioner Teat pump boilers of fair water sleeves heat exchanger storage tank, wherein first thermal source is the outdoor air source, and second thermal source is room air or hydro-thermal source, and cold-producing medium has four kinds of closed circuits, also comprise water circuit system in the total system, signals collecting and circuit control system; Total system is made of indoor set, the heat exchange heat storage water tank three-major-items of off-premises station, the second thermal source heat exchanger;
Off-premises station comprises: first, second, third and fourth interface valve of the temperature sensor of compressor, gas circuit triple valve, cross valve, outdoor air cooling heat exchanger, outdoor air cooling heat exchanger, outdoor machine fan, flow controller, off-premises station; The gas circuit triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Its connected mode is: the blast pipe of compressor is connected with the air inlet pipe of gas circuit triple valve, and the normal open outlet of gas circuit triple valve is connected with the public high pressure gas import of cross valve, and the normally closed outlet of gas circuit triple valve is connected with off-premises station the 3rd interface valve; The common low pressure gas interface of cross valve is connected with the air inlet of fluid reservoir, and the high pressure gas normal open interface of cross valve is connected with the air-flow interface of outdoor air cooling heat exchanger, and the normally closed interface of the high pressure gas of cross valve is connected with second interface valve of off-premises station; Its flow controller is provided with and heats water with, cooling and three imports using of system heating installation, the import that heats the flow controller that water uses is connected with off-premises station the 4th interface valve, the import of cooling flow controller is connected with the liquid stream interface of outdoor air cooling heat exchanger, and the import of the flow controller that system heating installation is used is connected with off-premises station first interface valve; The common low pressure blast pipe of the auxilliary valve of the electromagnetism of gas circuit triple valve is connected on the compressor air suction pipeline of system; Use four tube connectors again, respectively the liquid stream interface of first interface valve of off-premises station and the second thermal source heat exchanger, the air-flow interface of second interface valve of off-premises station and the second thermal source heat exchanger, the 3rd interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger, it is the intake interface of spiral heat exchange tube, the liquid interface that goes out of the 4th interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger couples together, perfusion cold-producing medium in the loop that is constituted;
The cooling-water temperature sensor of signals collecting and circuit control system, water temperature display controller are contained on the heat exchange heat storage water tank housing, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; On the second thermal source heat exchanger temperature sensor is housed; The circuit master controller has lead to be connected with temperature sensor, cooling-water temperature sensor and the second heat source temperature sensor of outdoor air cooling heat exchanger, and the valve that the water circulating pump of the indoor machine fan of indoor air cooling heat exchanger of circuit control compressor and the outdoor machine fan and the second thermal source heat exchanger or water source heat exchanger and multiloop switching mechanism arranged on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
4.1, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank;
4.2, described flow controller is the capillary restrictor on five-way road, it is by first, second and third totally three check valves and first, second, third and fourth throttle capillary tube totally four sections capillaries, and a dosing triple valve constitutes; Its connected mode is: the import of dosing triple valve is the import that heats the flow controller that water uses, and the normal open outlet of dosing triple valve is connected with the import of the 3rd throttle capillary tube, and the normally closed outlet of dosing triple valve is connected with the import of the 4th throttle capillary tube; The outlet of the 3rd throttle capillary tube is connected with the import of second and third check valve; The outlet of second check valve is connected with off-premises station first interface valve with first throttle import capillaceous, and its common interface is the import of the flow controller used of system heating installation; The outlet of the 4th throttle capillary tube, second throttle capillary tube the import of the outlet of the outlet of system heating installation time spent and the 3rd check valve and first check valve and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger, be the import of cooling flow controller; The import of the outlet of first check valve, second throttle capillary tube and first throttle capillary also promptly are that import connects altogether when refrigerating circuit in the outlet of system heating installation time spent; Described dosing triple valve is the Pneumatic three-way valve that the auxilliary valve of electromagnetism is arranged; Effective first tube connector of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and effective second tube connector of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct;
4.3, described flow controller, make system increase the closed circuit that a heat pump heats water to be: the flow through normal open path of dosing triple valve of the high pressure refrigerant liquid that flows out from the heat exchanger tube of water-cooled condensing heat exchanger, flow through the successively more normally closed path of low pressure gas, fluid reservoir, the compressor of the 3rd throttle capillary tube, the 3rd check valve, outdoor air cooling heat exchanger, cross valve flow to the water-cooled condensing heat exchanger through the gas circuit triple valve again.
5. be with two many circulations of thermal source air conditioner Teat pump boilers of fair water sleeves heat exchanger storage tank, wherein first thermal source is the outdoor air source, and second thermal source is room air or hydro-thermal source, and cold-producing medium has four kinds of closed circuits, also comprise water circuit system in the total system, signals collecting and circuit control system; Total system is made of indoor set, the heat exchange heat storage water tank three-major-items of off-premises station, the second thermal source heat exchanger;
Off-premises station comprises: first, second, third and fourth interface valve of the temperature sensor of compressor, gas circuit triple valve, cross valve, outdoor air cooling heat exchanger, outdoor air cooling heat exchanger, outdoor machine fan, flow controller, off-premises station; The gas circuit triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Its connected mode is: the blast pipe of compressor is connected with the air inlet pipe of gas circuit triple valve, and the normal open outlet of gas circuit triple valve is connected with the public high pressure gas import of cross valve, and the normally closed outlet of gas circuit triple valve is connected with off-premises station the 3rd interface valve; The common low pressure gas interface of cross valve is connected with the air inlet of fluid reservoir, and the high pressure gas normal open interface of cross valve is connected with the air-flow interface of outdoor air cooling heat exchanger, and the normally closed interface of the high pressure gas of cross valve is connected with second interface valve of off-premises station; Its flow controller is provided with and heats water with, cooling and three imports using of system heating installation, the import that heats the flow controller that water uses is connected with off-premises station the 4th interface valve, the import of cooling flow controller is connected with the liquid stream interface of outdoor air cooling heat exchanger, and the import of the flow controller that system heating installation is used is connected with off-premises station first interface valve; The common low pressure blast pipe of the auxilliary valve of the electromagnetism of gas circuit triple valve is connected on the compressor air suction pipeline of system; Use four tube connectors again, respectively the liquid stream interface of first interface valve of off-premises station and the second thermal source heat exchanger, the air-flow interface of second interface valve of off-premises station and the second thermal source heat exchanger, the 3rd interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger, it is the intake interface of spiral heat exchange tube, the liquid interface that goes out of the 4th interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger couples together, perfusion cold-producing medium in the loop that is constituted;
The cooling-water temperature sensor of signals collecting and circuit control system, water temperature display controller are contained on the heat exchange heat storage water tank housing, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; On the second thermal source heat exchanger temperature sensor is housed; The circuit master controller has lead to be connected with temperature sensor, cooling-water temperature sensor and the second heat source temperature sensor of outdoor air cooling heat exchanger, and the valve that the water circulating pump of the indoor machine fan of indoor air cooling heat exchanger of circuit control compressor and the outdoor machine fan and the second thermal source heat exchanger or water source heat exchanger and multiloop switching mechanism arranged on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
5.1, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank;
5.2, described flow controller is the capillary restrictor on the four-way road of simplifying, it by first, second and third totally three check valves and first, second and third throttle capillary tube totally three sections capillaries constitute; Its connected mode is: the import of the 3rd throttle capillary tube is the import that heats the flow controller that water uses, and the outlet of the 3rd throttle capillary tube is connected with the import of second and third check valve; The outlet of second check valve is connected with off-premises station first interface valve with first throttle import capillaceous, and its common interface is the import of the flow controller used of system heating installation; Second throttle capillary tube the import of the outlet of the system outlet of heating installation time spent and the 3rd check valve and first check valve and connect to hold and be connected with the liquid stream interface of outdoor air cooling heat exchanger, be the import of cooling flow controller; The import of the outlet of first check valve, second throttle capillary tube and first throttle capillary are that import connects altogether when also being cooling in the outlet of system heating installation time spent.
6. single air source hot pump water heater of band fair water sleeves heat exchanger storage tank is made up of two bodies of off-premises station and heat exchange heat storage water tank, includes refrigerant circulation loop, water circuit system, signals collecting and circuit control system; Compressor, flow controller, outdoor air cooling heat exchanger and outdoor machine fan are housed in the off-premises station; The heat exchange heat storage water tank is become by the water-cooled of band water tank of insulation cladding and the interior dress heat exchanger package of condensing, and cold water inlet, hot water outlet pipe, excess pressure safety valve are arranged on the heat exchange heat storage water tank, and water non-return valve and discharging valve are housed on the water inlet pipe; Two interface valves are arranged, air-flow interface valve and liquid stream interface valve on the off-premises station; It is characterized in that:
6.1, the composition of described off-premises station also includes: the dosing triple valve; Described flow controller is the flow controller that a throttle capillary tube constitutes; The connected mode of described off-premises station is, the blast pipe of compressor is connected with the air-flow interface valve of off-premises station, the liquid stream interface valve of off-premises station is connected with the import of dosing triple valve, and the normal open outlet of dosing triple valve is connected with the import of flow controller, and the normally closed outlet of dosing triple valve is connected with bypass pipe; The outlet of bypass pipe and flow controller is connected with the liquid stream interface of outdoor air cooling heat exchanger, and the air-flow interface of outdoor air cooling heat exchanger is connected with the import of fluid reservoir, and the outlet of fluid reservoir is connected with the import of compressor; Described dosing triple valve is the Pneumatic three-way valve that the auxilliary valve of electromagnetism is arranged; Effective first tube connector of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and effective second tube connector of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct; Use two tube connectors again, the liquid stream interface valve of off-premises station and water-cooled condensing heat exchanger cold-producing medium intake interface, the liquid interface that goes out of the air-flow interface valve of off-premises station and the cold-producing medium of water-cooled condensing heat exchanger couples together respectively, perfusion cold-producing medium in the loop that is constituted;
Two kinds of circulations of refrigerant loop tissue: heat pump heats water circulation, defrost cycle;
The flow process that heat pump heats the water circulation is: the normal open path → flow controller → outdoor air cooling heat exchanger → fluid reservoir → compressor of compressor → water-cooled condensing heat exchanger → dosing triple valve; Control mode: compressor energising running, the coil of dosing triple valve does not have electricity, when the temperature that measures when cooling-water temperature sensor is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power;
The flow process of defrost cycle is: the normally closed path → bypass pipe → outdoor air cooling heat exchanger → fluid reservoir → compressor of compressor → water-cooled condensing heat exchanger → dosing triple valve; Control mode: when the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made coil electricity, the compressor of dosing triple valve continue to have; When the temperature sensor of outdoor air cooling heat exchanger was higher than the higher limit of the design temperature that defrosts, system was returned to heat pump again and heats water circulation mode, even compressor, outdoor machine fan have the coil blackout of electricity, dosing triple valve;
6.2, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank.
7. single air source hot pump water heater of band fair water sleeves heat exchanger storage tank is made up of two bodies of off-premises station and heat exchange heat storage water tank, includes refrigerant circulation loop, water circuit system, signals collecting and circuit control system; Compressor, flow controller, outdoor air cooling heat exchanger and outdoor machine fan are housed in the off-premises station; The heat exchange heat storage water tank is become by the water-cooled of band water tank of insulation cladding and the interior dress heat exchanger package of condensing, and cold water inlet, hot water outlet pipe, excess pressure safety valve are arranged on the heat exchange heat storage water tank, and water non-return valve and discharging valve are housed on the water inlet pipe; Two interface valves are arranged, air-flow interface valve and liquid stream interface valve on the off-premises station; It is characterized in that:
7.1, the composition of described off-premises station also comprises cross valve, dosing triple valve; Described flow controller is the flow controller that first and second throttle capillary tubes of two throttle circuits constitute; The connected mode of described off-premises station is: the blast pipe of compressor is connected with the public high pressure gas import of cross valve, the high pressure gas normal open outlet of cross valve is connected with the air-flow interface valve of off-premises station, the liquid stream interface valve of off-premises station is connected with the import of dosing triple valve, the normal open outlet of dosing triple valve is connected with first throttle import capillaceous, and the normally closed outlet of dosing triple valve is connected with the import of second throttle capillary tube; The outlet of the first throttle capillary and second throttle capillary tube is connected with the liquid stream interface of outdoor air cooling heat exchanger, the air-flow interface of outdoor air cooling heat exchanger is connected with the low pressure gas normal open import of cross valve, the common low pressure gas outlet of cross valve is connected with the import of fluid reservoir, and the outlet of fluid reservoir is connected with the import of compressor; Described dosing triple valve is the Pneumatic three-way valve of the auxilliary valve of electromagnetism; Effective first tube connector of public high pressure admission of the auxilliary valve of its electromagnetism is connected on the compressor exhaust pipe, and effective second tube connector of low-pressure admission of the auxilliary valve of electromagnetism is connected on the compressor suction duct; Use two tube connectors respectively the liquid stream interface valve of off-premises station and water-cooled condensing heat exchanger cold-producing medium intake interface again, the air-flow interface valve of off-premises station and the cold-producing medium of water-cooled condensing heat exchanger go out liquid interface and couple together, perfusion cold-producing medium in the loop that is constituted;
Three kinds of circulations of refrigerant loop tissue: two kinds of heat pumps heat water circulation and defrost cycle;
The flow process that the heat pump in hot season heats the water circulation is: the low pressure gas normal open path → fluid reservoir → compressor of the normal open path → first throttle capillary → outdoor air cooling heat exchanger → cross valve of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve; Control mode: compressor energising running, the coil of dosing triple valve and cross valve does not have electricity, when the temperature that measures when cooling-water temperature sensor is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power;
The flow process that the heat pump of cold season heats the water circulation is: the low pressure gas normal open path → fluid reservoir → compressor of the normally closed path → second throttle capillary tube → outdoor air cooling heat exchanger → cross valve of the high pressure gas normal open path of compressor → cross valve → water-cooled condensing heat exchanger → dosing triple valve; Control mode: compressor energising running, the coil of dosing triple valve has electricity, and the coil of cross valve does not have electricity, when the temperature that measures when cooling-water temperature sensor is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power;
The flow process of defrost cycle is: the normally closed path → fluid reservoir of the low pressure gas → compressor of the normally closed path of the high pressure gas of compressor → cross valve → outdoor air cooling heat exchanger → dosing triple valve → water-cooled condensing heat exchanger → cross valve; Control mode: when the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made the coil electricity of cross valve, the coil and the compressor of dosing triple valve continue that electricity is arranged, the outdoor machine fan outage; When the temperature sensor of outdoor air cooling heat exchanger was higher than the higher limit of the design temperature that defrosts, system was returned to heat pump again and heats water circulation mode, even the coil of compressor, outdoor machine fan and dosing triple valve has the coil blackout of electricity, cross valve;
7.2, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank.
8. be with the double heat source heat pump water heater of fair water sleeves heat exchanger storage tank, wherein first thermal source is the outdoor air source, and second thermal source is room air or hydro-thermal source; The double heat source heat pump water heater is made up of three parts of off-premises station, heat exchange heat storage water tank and the second thermal source heat exchanger assembly, includes the cold-producing medium double circulation loop, water circuit system, signals collecting and circuit control system; Compressor, double loop switching mechanism, flow controller, outdoor air cooling heat exchanger and outdoor fan are housed in the off-premises station; The heat exchange heat storage water tank is become by the water-cooled of band water tank of insulation cladding and the interior dress heat exchanger package of condensing, and cold water inlet, hot water outlet pipe, excess pressure safety valve are arranged on the heat exchange heat storage water tank, and water non-return valve, discharging valve are housed on the water inlet pipe; The second thermal source heat exchanger assembly is cold water source heat exchanger or room air source heat exchanger, and the room air source heat exchanger also has indoor machine fan; The cooling-water temperature sensor of signals collecting and circuit control system, water temperature display controller are contained on the housing of heat exchange heat storage water tank, the temperature sensor of outdoor air cooling heat exchanger, and the circuit master controller is contained on the off-premises station; On the second thermal source heat exchanger temperature sensor is housed; The circuit master controller has lead to be connected with temperature sensor, cooling-water temperature sensor and the second heat source temperature sensor of outdoor air cooling heat exchanger, and there is circuit to control compressor, outdoor machine fan, the water circulating pump of the indoor machine fan of the indoor air cooling heat exchanger of the second thermal source heat exchanger or water source heat exchanger, the valve of double loop switching mechanism, make the double heat source heat pump water heater on request pattern turn round automatically; When water temperature is lower than setting value, starting compressor; When being higher than setting value, cut off compressor power; It is characterized in that:
8.1, described double loop switching mechanism comprises a cross valve and a check valve; Its flow controller is a capillary; The off-premises station inner connection mode is: the exhaust outlet of compressor is connected with the public high pressure gas import of cross valve, the common low pressure gas outlet of cross valve is connected with fluid reservoir, the high pressure gas normal open outlet of cross valve is connected with the 3rd interface valve on the off-premises station, the low pressure gas normal open import of cross valve is connected altogether with the air-flow interface of outdoor air cooling heat exchanger and the outlet of check valve, and the import of check valve is connected with second interface valve of off-premises station; The import of flow controller is connected with the 4th interface valve of off-premises station, and the outlet of flow controller divides two-way, is connected with first interface valve of off-premises station and the liquid stream interface of outdoor air cooling heat exchanger respectively; Use four tube connectors again, respectively the liquid stream interface of first interface valve of off-premises station and the second thermal source heat exchanger, the air-flow interface of second interface valve of off-premises station and the second thermal source heat exchanger, the intake interface of the 3rd interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger, the liquid interface that goes out of the 4th interface valve of off-premises station and the heat exchanger tube of water-cooled condensing heat exchanger connects and composes the loop, perfusion cold-producing medium in the loop;
System can organize four kinds of circulations:
First kind of circulation is to be that thermal source heats water with outdoor air, and its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the high pressure gas normal open path → water-cooled condensing heat exchanger → flow controller → outdoor air cooling heat exchanger → cross valve of compressor → cross valve; The coil of cross valve and related fan and the water pump of the second thermal source heat exchanger are in off-position, compressor, outdoor machine fan energising running;
Second kind of circulation is to heat water with second thermal source, its flow process is the low pressure gas normal open path → fluid reservoir → compressor of the high pressure gas normal open path → water-cooled condensing heat exchanger → flow controller of compressor → cross valve → second thermal source heat exchanger → first check valve → cross valve; The coil of cross valve and outdoor machine fan are in the outage attitude, the running of also switching on of fan that the compressor and the second thermal source heat exchanger are related and water pump;
The third circulation is to heat water with the outdoor air and second thermal source simultaneously, and its flow process is the high pressure gas normal open path → water-cooled condensing heat exchanger → flow controller → minute two-way of compressor → cross valve: the first via outdoor air cooling heat exchanger of flowing through; The second road second thermal source heat exchanger → first check valve of flowing through; The two-way low pressure gas normal open path → fluid reservoir → compressor of cross valve of flowing through of joining; The coil of cross valve is in the outage attitude, the running of also switching on of fan that compressor, outdoor machine fan and the second thermal source heat exchanger are related and water pump;
The 4th kind of circulation is defrost usefulness, and its flow process is the normally closed path → fluid reservoir of the low pressure gas → compressor of the normally closed path of the high pressure gas of compressor → cross valve → outdoor air cooling heat exchanger → flow controller → water-cooled condensing heat exchanger cross valve; When the temperature sensor of outdoor air cooling heat exchanger was lower than defrosting design temperature lower limit, circuit controller made the coil of compressor and cross valve all be in "on" position, and outdoor machine fan and related fan and the water pump of the second thermal source heat exchanger are in off-position; When the temperature sensor of outdoor air cooling heat exchanger is higher than the higher limit of the design temperature that defrosts, make the coil of cross valve all be in off-position, compressor keeps energising, and outdoor machine fan is replied "on" position;
8.2, increase in the water tank of described heat exchange heat storage water tank fair water sleeves arranged; The heat exchanger tube of water-cooled condensing heat exchanger turns to spiral heat exchange tube, stand between tank inner wall and the fair water sleeves or fair water sleeves that two diameters are less between or more within the single fair water sleeves of minor diameter, leave the gap between the heat exchanger tube of water-cooled condensing heat exchanger and the fair water sleeves, spacing is left respectively and between the top board of heat exchange heat storage water tank and the base plate in the upper and lower side two ends of fair water sleeves, the heat exchanger tube of water-cooled condensing heat exchanger and fair water sleeves are fixed in the water tank by support, constitute the heat exchange heat storage water tank of band fair water sleeves heat exchanger thus; The inner port of hot water outlet pipe on the heat exchange heat storage water tank is located at the top of the heat exchanger tube of fair water sleeves and water-cooled condensing heat exchanger, and the inner port of cold water inlet is located at water tank by the below, bottom; The hot junction of the heat exchanger tube of water-cooled condensing heat exchanger is last, and cold junction is down, and cold-producing medium is that the collar from the heat exchanger tube of water-cooled condensing heat exchanger flows to the foundation ring; When the heat exchanger tube of water-cooled condensing heat exchanger is many spiral heat exchange tubes, adopt cross cap cast formula to arrange; The heat exchanger tube of water-cooled condensing heat exchanger adopts the mechanical seal mode to pass from the base plate of water tank or the side plate of water tank.
CNB2005100533153A 2004-11-04 2005-02-21 Air source heat pump water heater with flow guide sleeve heat exchanger water storage tank Active CN100460775C (en)

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