CN106152604A - Four circulation immersion heat exchange heat storage type hot-water air conditioners - Google Patents

Four circulation immersion heat exchange heat storage type hot-water air conditioners Download PDF

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CN106152604A
CN106152604A CN201510180394.8A CN201510180394A CN106152604A CN 106152604 A CN106152604 A CN 106152604A CN 201510180394 A CN201510180394 A CN 201510180394A CN 106152604 A CN106152604 A CN 106152604A
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valve
water
heat exchanger
interface
compressor
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陈则韶
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陈则韶
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Abstract

The present invention discloses a kind of four multi-cycle separation heat storage type hot-water air conditioners, it is characterised in that: refrigerant loop comprises a triple valve, a cross valve, three check valves and two flow controllers especially, and hot water coagulation heat exchanger is immersed in heat storage water tank;Refrigerant loop connected mode: compressor outlet connects triple valve, its 1st, 2 outlet tap hot water coagulation heat exchangers, cross valve import;The of cross valve the 2nd, the 3rd, 4 interfaces be connected with outdoor wind heat exchanger, indoor wind heat exchanger, gas-liquid separator respectively;The lower interface of outdoor wind heat exchanger and the 1st one-way valved outlet, the 2nd check valve inlet simultaneously connect;Fluid reservoir, drop-over Section 1 stream device are entered in the outlet of the 2nd check valve and hot water coagulation heat exchanger altogether, and its outlet connects with the outlet of Section 2 stream device, the 1st check valve inlet and the 3rd check valve inlet;The outlet of Section 2 stream device and the 3rd check valve inlet connect with indoor wind heat exchanger lower interface;Perform refrigeration gas to hold concurrently hot water, cold air, hot water and hot gas four kinds circulation.The three circulating hot water air conditioner structures of the present invention are simple and reliable, low cost, good energy-conserving effect, and market prospects are good.

Description

Four circulation immersion heat exchange heat storage type hot-water air conditioners
Technical field
The present invention relates to refrigeration air conditioner, Teat pump boiler and field of energy-saving technology.
Background technology
Existing air conditioner is only useful in season in winter in summer two, and spring, autumn are typically idle, causes the seasonal waste of equipment and fund.Utilizing the Teat pump boiler of condensation heat water heating of air-conditioner compression kind of refrigeration cycle, substituting domestic, electric water heater, can economize on electricity 70%, energy-saving effect is obvious, and market potential is huge.But, presently commercially available air source hot pump water heater only has unitary system hot water function, it is impossible to realize cold and hot comprehensive utilization.And existing many relates to the patented technology of multifunctional heat pump, refrigerant circulation loop structure is complicated, and valve has leakage unavoidably, and fault rate is high, and poor reliability does not also have the marketization so far;Although applicant in this case always works on the research of cold-heat air-conditioning, water-heating three-purpose machine over 10 years, declare and be authorized to multiple Patents technology, for example:OnenullPlant energy saving tripurpose machine for hot and cold air conditioning and supplying hot water (patent No.: CN 00264455.x),A kind of four seasons energy-conservation cold-heat air-conditioning, water-heating three-purpose machine (patent No.: CN 02116049.X),Air source hot pump water heater (patent No.: CN 200510053315.3) with flow-guiding sleeve heat exchanger storage tank,There is the heat-pump hot-water unit (patent No.: CN 200610085913.3) of water internal circulation heat-exchanging loop,A kind of refrigerating circuit open-and-shut double heat source heat pump hot water apparatus (CN 200910181300.3),Help each other Defrost method and five circulations double heat source heat pump water heater (CN 201010211846.1) of air source hot pump water heater,The air source hot pump water heater of defrosting and five of helping each other circulates double heat source heat pump water heater (CN 201020240385.6),Parallel mutual defrosting air source heat pump water heater (CN 201010272024.4),Compact cold-heat air-conditioning, water-heating three-purpose machine (the CN 201010568937.0 of self-built Natural Circulation stream heat exchange,),A kind of four seasons energy-conservation cold-heat air-conditioning, water-heating three-purpose machine (CN 02116049.X,CN 02220342.7),Two source multifunctional heat pumps (CN 201110202512.2) etc.,Still dislike refrigerant loop configuration valve many,Cold-producing medium stores up in various heat exchange device and stays inequality,Affect unit efficiency;Develop and there is the multi-functional of refrigeration gas water heating, heat pump cycle water heating, refrigeration gas and heating gas, simple in construction, reliable, the hot-water air conditioner of superior performance, it to introducing to the market early, is still worth constantly studying.
Content of the invention
In order to advance multifunction water-heating air-conditioning machine to enter into market, play a role in energy-conservation, need to overcome the above-mentioned deficiency of its prior art, the four circulation immersion heat exchange heat storage type hot-water air conditioners that the present invention proposes, perform circulating cold air processed in summer, refrigerator and water heater circulates, the absorption outer air energy water heating circulation of sky in spring and autumn, heating installation or heating hot water are provided winter, the demand of hot water, cold air, the different load of heating installation and different time can be taken into account, fully simplify refrigerating circuit structure, improve operational reliability, make complete machine production cost lower, in hgher efficiency.
The technical solution used in the present invention is:
Four circulation immersion heat exchange heat storage type hot-water air conditioners, include refrigerant circuit systems, hot water coagulation heat exchanger, heat storage water tank, signals collecting and circuit control system;The control signal gathering at least includes refrigerant evaporator outlet temperature, heat storage water tank coolant-temperature gage and indoor, outside air temperature, suction pressure of compressor and pressure at expulsion etc.;The compressor of described refrigerant circuit systems, flow controller, outdoor wind heat exchanger and outdoor machine fan, cross valve, filter, gas-liquid separator etc. are arranged in off-premises station, and indoor set is equipped with indoor wind heat exchanger and indoor machine fan;Outdoor machine shell is provided with first and second two angle valves being connected with indoor wind heat exchanger upper and lower end interface;Note, the individual interface of cross valve main valve body side is cross valve first interface, three interfaces of the opposite side of cross valve main valve body, it is about scheduled on cross valve coil without being cross valve the second interface with the interface connecting in first interface during electricity, it is cross valve the 3rd interface with the interface connecting in first interface when cross valve coil has electricity, interface placed in the middle is cross valve the 4th interface, i.e. connect with in the 3rd interface when cross valve coil is without electricity, again when cross valve coil has electricity with the interface connecting in the second interface;Note, triple valve coil is without being triple valve the first gas outlet with the interface connecting in air inlet during electricity, and when triple valve coil has electricity, the interface that connects interior with air inlet is triple valve the second gas outlet;
It is characterized in that:
Described refrigerant circuit systems, also includes a triple valve;Described flow controller is made up of first, second and third check valve and first and second restricting element;Described hot water coagulation heat exchanger is placed in heat storage water tank, and the import and export of refrigerant passage is stayed outside heat storage water tank;Described refrigerant loop connected mode is that the exhaust outlet of compressor is connected with the air inlet of triple valve, and the first gas outlet of triple valve is connected with the third angle valve on outdoor machine shell, is then connected with the refrigerant inlet of hot water coagulation heat exchanger by the 3rd outer connecting pipe;Second gas outlet of triple valve is connected with cross valve first interface;Cross valve second and third, four interfaces are connected with the second angle valve on the upper end interface of outdoor wind heat exchanger, outdoor machine shell, the air inlet of gas-liquid separator respectively;The gas outlet of gas-liquid separator is connected with the air inlet of compressor;The outlet of the lower end interface of outdoor wind heat exchanger and the first check valve, the import of the second check valve connect;The refrigerant outlet of hot water coagulation heat exchanger is connected with the fourth angle valve on outdoor machine shell by the 4th outer connecting pipe, connecting tube in off-premises station for fourth angle valve entrance in parallel with the outlet of the second check valve fluid reservoir, the outlet of fluid reservoir is sequentially connected with filter, first throttle element, the outlet of first throttle element is intercommunicated with the outlet of the import of the first check valve, the import of the 3rd check valve and second section fluid element to be connected, and the outlet of the 3rd check valve and the inlet parallel of second section fluid element are connected altogether with the first angle valve on outdoor machine shell;The upper and lower interface of refrigerant line of indoor wind heat exchanger, first and second angle valve being connected on outdoor machine shell by first and second outer connecting pipe road respectively;Cold-producing medium is filled in the refrigerant loop being linked to be;Described triple valve is the Pneumatic three-way valve with solenoid pilot valve, and the low pressure escape pipe of solenoid pilot valve is directly connected on the compressor suction duct of refrigerant loop;Described cross valve is the Pneumatic four-way valve with solenoid pilot valve, and the high-pressure pipe of solenoid pilot valve is directly connected on the compressor exhaust pipe of refrigerant loop;Described refrigerant circuit systems can organize refrigeration gas hold concurrently water heating, refrigeration gas, water heating, the circulation of four kinds of heating gas;
The cold-producing medium spiral coil of described hot water coagulation heat exchanger is placed in heat storage water tank, or is also cased with hot water flow guiding casing tube outside cold-producing medium spiral coil;Described heat storage water tank is bearing type heat-storing water tank, is provided with into water interface at heat storage water tank, is provided with water outlet mouthpiece on heat storage water tank top;Inlet pipeline is provided with water intaking valve and water feeding one-way valve;
Four described circulation immersion heat exchange heat storage type hot-water air conditioners, it is characterized in that: described heat storage water tank is at delivery port or has additional a defroster duct, defrosting bye-pass is provided with defrosting magnetic valve, pipeline after defrosting magnetic valve, it is connected to the defrosting hot-water line interface of outdoor machine shell, it is connected with the sparge pipe being arranged in above outdoor wind heat exchanger fin, on the downside of sparge pipe, be drilled with hole for water spraying again;Open defrosting magnetic valve when defrosting, spray hot water defrosting;
First and second described restricting element is electric expansion valve or heating power expansion valve or capillary;
The organized refrigerator and water heater of described refrigerant circuit systems circulates, circulating cold air processed, water heating circulate and the electric switch control mode of heating circulating processed and refrigerant flow circuit respectively:
(1) water heating double refrigeration gas: compressor leaves, triple valve, the coil no power of cross valve, and indoor machine fan is opened, and outdoor machine fan is closed down, and the water circulating pump being furnished with circulating water pump device is opened;Refrigerant flow circuit: compressor → triple valve → hot water coagulation heat exchanger → reservoir → filter → first throttle element → the 3rd check valve → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(2) freeze gas: compressor leaves, triple valve coil electricity, cross valve coil no power, and indoor machine fan is opened, and outdoor machine fan is opened;Refrigerant flow circuit: compressor → triple valve → cross valve → outdoor wind heat exchanger → the second check valve → reservoir → filter → first throttle element → the 3rd check valve → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(3) water heating: compressor leaves, triple valve coil no power, cross valve coil electricity, outdoor machine fan opens, and indoor machine fan is closed down;Refrigerant flow circuit: compressor → triple valve → hot water coagulation heat exchanger → reservoir → filter → first throttle element → the first check valve → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(4) heating gas: compressor leaves, triple valve coil electricity, cross valve coil electricity, outdoor machine fan opens, and indoor machine fan is opened;Refrigerant flow circuit: compressor → triple valve → cross valve → indoor wind heat exchanger → second section fluid element → the first check valve → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
Four described circulation immersion heat exchange heat storage type hot-water air conditioners, it is characterised in that: having three kinds of Defrost methods to select for different regions user, the first uses refrigeration gas endless form, by the release heat of condensation defrosting of compressor compresses cold-producing medium;The second is to use spray hot water defrosting, automatically turns on the magnetic valve of defrosting according to defrosting signal, utilizes hot water defrosting;The third uses first and second kind of Defrost method to be used in combination, and spray hot water defrosting slightly early starting is also first closed for tens seconds, and refrigeration gas endless form defrosting time wants time delay 1-2 minute relatively, in order to the fin heat exchange pipe of indoor wind heat exchanger is dried.
The innovative point of the present invention is:
1st, the refrigerant circulation loop of four circulation immersion heat exchange heat storage type hot-water air conditioners of design, it is four points of circulations, each circulation only two heat exchanger work, and switching construction is simple, compared with existing air conditioner, the refrigerant loop of the present invention only increases a triple valve and a hot water coagulation heat exchanger, only using two restricting elements and three check valves, the refrigerating circuit being constituted can organize the double refrigeration of water heating, refrigeration gas, water heating, four kinds of heating gas circulation four function air conditioner water heating machines.
2nd, the key point of refrigerant loop handover success of the present invention is: the high-pressure pipe of the solenoid pilot valve of cross valve is attached directly on compressor exhaust pipe, it is ensured that cross valve can normally switch when the air inlet pipe of main valve body does not has high pressurized gas.Cross valve used in refrigerating circuit, is that the air inlet pipe of the solenoid pilot valve of the cross valve being made into by existing cross valve is connected on compressor exhaust pipe, has had high-pressure air source, switch dynamic during the main valve switching which ensure that cross valve;The blast pipe of the solenoid pilot valve of triple valve is connected on compressor suction duct, and the exhaust of main valve piston end when this makes main valve switching position has outlet, it is ensured that triple valve switching is smoothly.
3rd, the guarantee design of the refrigerant circulation loop reliability service of the present invention is: triple valve and cross valve are to work in gas return path, and the micro-gas leakage of valve inner is gently more many than the leakage being arranged in fluid path.
4th, the key problem in technology that the winter of the present invention can thoroughly defrost is: the present invention has three kinds of Defrost methods to select for different regions user, combine defrosting especially with heat water-spraying and cold-producing medium heat of condensation two ways, quickly, and overcome the problem of single heat water-spraying's defrosting fin high humidity regelation, the problem thoroughly solving air source heat pump winter frost removing.
There is novelty, advanced and practicality, it is capable of to be held concurrently by kind of refrigeration cycle mode water heating summer and freeze, make the equipment complex coefficient of performance more than 8, spring and autumn can be able to be absorbed heat water heating from outdoor air by heat pump mode, the method of operation not needing hot water summer and wanting air-conditioning can also be met, adapt to cold and hot water demand measures difference and arbitrarily allocates, have two kinds of heating system design objects winter, there is again thorough Defrost method, simple in construction, avoid the leakage problem of many valves, improve the stability that equipment runs;There is broad mass market prospect, will play a role in low-carbon economy, and contribute.
Brief description
Fig. 1 is refrigerant circuit systems structural representation and the water heating double refrigeration gas circulation process figure of four circulation immersion heat exchange heat storage type hot-water air conditioners of the embodiment of the present invention 1.
Fig. 2 is the refrigeration gas circulation process of four circulation immersion heat exchange heat storage type hot-water air conditioners of the embodiment of the present invention 2 and is furnished with hot water defrosting's pipeline schematic diagram.
Fig. 3 is the water heating circulation process schematic diagram of four circulation immersion heat exchange heat storage type hot-water air conditioners of the embodiment of the present invention 2.
Fig. 4 is the heating gas circulation process schematic diagram of four circulation immersion heat exchange heat storage type hot-water air conditioners of the embodiment of the present invention 2.
Fig. 5 is heat water-spraying's defrosting and the cold-producing medium heat of condensation defrosting circulation schematic diagram of four circulation immersion heat exchange heat storage type hot-water air conditioners of the embodiment of the present invention 2.
Tool Body embodiment:
Further described structure and the operation principle of the four circulation immersion heat exchange heat storage type hot-water air conditioners of the present invention below in conjunction with the accompanying drawings by embodiment.But present invention is not limited only to shown in accompanying drawing.
Embodiment 1The system architecture of four circulation immersion heat exchange heat storage type hot-water air conditioners and operation principle illustrated by Fig. 1.
As it is shown in figure 1, the three of Fig. 1 dashed rectangle A, B, C represent the off-premises station of the present invention three circulating hot water air conditioner, indoor set, the big assembly of heat storage water tank three respectively;The compressor 1 of the refrigerant circuit systems of embodiment 1, triple valve 2, cross valve 3, outdoor wind heat exchanger 4 and outdoor machine fan 4a, first, second and third check valve D1, D2, D3, reservoir 7, filter G, first and second restricting element J1, J2, gas-liquid separator 10 is all assembled in outdoor machine shell;Indoor wind heat exchanger 5 and indoor machine fan 5a thereof are placed in indoor set;Note, the individual interface of cross valve main valve body side is cross valve first interface 1. (code name is D in standardisation), three interfaces of the opposite side of cross valve main valve body, agreement, it is cross valve the second interface 2. (changing code name in a standard is C) with the interface connecting in first interface when cross valve coil is without electricity, it is cross valve the 3rd interface 3. (changing code name in a standard is E) with the interface connecting in first interface when cross valve coil has electricity, interface placed in the middle is cross valve the 4th interface 4. (changing code name in a standard is S), i.e. connect with in the 3rd interface when cross valve coil is without electricity, again when cross valve coil has electricity with the interface connecting in the second interface, cross valve first interface diameter is relatively small generally as common inlet, cross valve the 4th interface is generally as public outlet;Agreement, triple valve coil is without exporting with first that the interface connecting in air inlet is triple valve during electricity, and triple valve coil exports with second that the interface connecting in air inlet is triple valve when having electricity;Heat storage water tank 8 is surrounded by heat-insulation layer press-bearing water tank for vertical;Described hot water coagulation heat exchanger 6 is placed in heat storage water tank 8, is cased with fair water sleeves V outside its spiral coil, and the import and export of refrigerant passage is stayed outside heat storage water tank;
The refrigerant loop connected mode of embodiment 1 is, the exhaust outlet of compressor 1 is connected with the air inlet of triple valve 2,1. first gas outlet 2 of triple valve is connected with the third angle valve Z3 on outdoor machine shell, is then connected with the refrigerant inlet of hot water coagulation heat exchanger 6 by the 3rd outer connecting pipe;1. 1. second gas outlet 2 of triple valve be connected 3 with cross valve 3 first interface;Cross valve 3 second and third, four 2., 3., 4. interface be connected with the first angle valve Z1 on the upper end interface of outdoor wind heat exchanger 4, outdoor machine shell, the air inlet of gas-liquid separator 10 respectively;The gas outlet of gas-liquid separator is connected with the air inlet of compressor 1;The outlet of the lower end interface of outdoor wind heat exchanger and the first check valve D1, the import of the second check valve D2 connect;The refrigerant outlet of hot water coagulation heat exchanger 6 is connected with the fourth angle valve Z4 on outdoor machine shell by the 4th outer connecting pipe, connecting tube in off-premises station for fourth angle valve entrance in parallel with the outlet of the second check valve D2 fluid reservoir 7, the outlet of fluid reservoir is sequentially connected with filter G, first throttle element J1, the outlet of first throttle element is intercommunicated with the outlet of the import of the first check valve D1, the import of the 3rd check valve D3 and second section fluid element J2 to be connected, and the outlet of the 3rd check valve D3 and the inlet parallel of second section fluid element J2 are connected altogether with the first angle valve Z2 on outdoor machine shell;The upper and lower interface of refrigerant line of indoor wind heat exchanger 5, first and second angle valve being connected on outdoor machine shell by first and second outer connecting pipe road respectively;Cold-producing medium is filled in the refrigerant loop being linked to be;
The triple valve 3 of embodiment 1 is the Pneumatic three-way valve with solenoid pilot valve 3a, use patented product " triple valve with electromagnetism pilot slide valve for a kind of air conditioner and water heater " patent No.: CN 201010596827.5, or formed by the existing Pneumatic four-way valve improvement with solenoid pilot valve in market, i.e. the middle interface of three interfaces there is is to block cross valve main valve body, solenoid pilot valve 3a low pressure is gone out tubule of breathing hard, cut off from the connection of original and middle mouthpiece (code name is the adapter of S in standardisation), one section of tubule of repair welding is connected logical as solenoid pilot valve low pressure escape pipe L1 with the compressor suction duct of refrigerant loop;Pneumatic four-way valve with solenoid pilot valve 4a, improved by the existing Pneumatic four-way valve with solenoid pilot valve in market and form, i.e. short for the high pressure admission of solenoid pilot valve tubule, it is connected with cross valve first interface pipe from originally and cut off, one section of tubule of repair welding is connected logical as the high-pressure pipe L2 of solenoid pilot valve with the compressor exhaust pipe of refrigerant loop, L1 and L2 uses some some line to particularly show in FIG;
Heat storage water tank 8 is surrounded by heat-insulation layer press-bearing water tank for vertical, is provided with water-in and water-out interface C1, C2, respectively bottom and the top at water tank;Recirculated water water outlet mouthpiece C1, fetches water in water tank lowest water level;Equipped with water feeding one-way valve SDF on running water water inlet pipe, water intaking valve F1;Hot water effluent's interface of heat storage water tank is connected with the hot water feeding pipe of user, and outlet pipe is provided with outlet valve F2;
The control signal refrigerant evaporator outlet temperature of the collection described in embodiment 1 is temp probe T1, T2 of wind heat exchanger upper port outdoor, indoor, hot water coagulation heat exchanger delivery port and heat storage water tank hot water temperature pop one's head in T3, T4, compressor air suction and pressure at expulsion probe P1 and P2;Temp probe T1, T2 of wind heat exchanger outdoor, indoor provides air conditioner control parameter, and coolant-temperature gage probe T3, T4 provide water heating operational parameter control, and pressure probe P1 and P2 provides security of system Protection parameters;
Four circulating hot water air conditioners described in embodiment 1, have four kinds of closed circuits: refrigeration gas is held concurrently water heating, refrigeration gas, water heating and the circulation of four kinds of heating gas, the refrigerant flow circuit of four kinds of closed circuits respectively:
(1) water heating double refrigeration gas: compressor 1 leaves, the coil no power of triple valve 2 and cross valve 3, and indoor machine fan 5a opens, and outdoor machine fan 4a is closed down;Refrigerant flow circuit, as shown in Figure 1: compressor 1 → triple valve 2 1. → hot water coagulation heat exchanger 6 → reservoir, 7 → filter G → first throttle element J1 → the 3rd check valve D3 → indoor wind heat exchanger 5 → cross valve 3(3. → 4.) → gas-liquid separator 10 → compressor 1;
(2) freeze gas: compressor leaves, triple valve coil electricity, cross valve coil no power, and indoor machine fan is opened, and outdoor machine fan is opened;Refrigerant flow circuit see Fig. 2: compressor → triple valve 2 2. → cross valve 3 (1. → 2.) → outdoor wind heat exchanger → the second check valve D2 → reservoir → filter → first throttle element J1 → the 3rd check valve D3 → indoor wind heat exchanger → cross valve 3 (3. → 4.) → gas-liquid separator → compressor;
(3) water heating: compressor leaves, triple valve coil no power, cross valve coil electricity, outdoor machine fan opens, and indoor machine fan is closed down, and water circulating pump leaves;Refrigerant flow circuit see Fig. 3: compressor → triple valve 2 1. → hot water coagulation heat exchanger → reservoir → filter → first throttle element J1 → the first check valve D1 → outdoor wind heat exchanger 4 → cross valve 3(2. → 4.) → gas-liquid separator → compressor;
(4) heating gas: compressor leaves, triple valve coil electricity, cross valve coil electricity, outdoor machine fan opens, and indoor machine fan is opened, and water circulating pump stops;Refrigerant flow circuit see Fig. 4: compressor → triple valve 2 2. → cross valve 3 (1. → 3.) → indoor wind heat exchanger 5 → second section fluid element J2 → the first check valve D1 → outdoor wind heat exchanger 4 → cross valve 3(2. → 4.) → gas-liquid separator → compressor;
The defrosting of embodiment 1 uses refrigeration gas circulation pattern, sees accompanying drawing 2.
Embodiment 2The structure of four circulation immersion heat exchange heat storage type hot-water air conditioners and operation principle byFigure 2Explanation.
As in figure 2 it is shown, the refrigerant circulation loop structure of embodiment 2 is identical with the refrigerant circulation loop structural system structure of the embodiment 1 shown in Fig. 1.Embodiment 2 is with the difference of embodiment 1, and the water outlet mouthpiece of heat storage water tank 8 is three-way connection C2, and two interface picks out water valve F2 and defrosting magnetic valve DF respectively, and after outlet valve F2, the hot-water line with user is connected;Pipeline after defrosting magnetic valve DF, is connected to the defrosting hot-water line interface C3 of outdoor machine shell, then is connected with the sparge pipe PS being arranged in above outdoor wind heat exchanger 4 fin, be drilled with hole for water spraying on the downside of sparge pipe;Open defrosting magnetic valve DF when defrosting, spray hot water defrosting;
Fig. 2 represents that the refrigerant flow circuit of embodiment 2 is cooling flow journey: compressor → triple valve 2 2. → cross valve 3 (1. → 2.) → outdoor wind heat exchanger → the second check valve D2 → reservoir → filter → first throttle element J1 → the 3rd check valve D3 → indoor wind heat exchanger → cross valve 3 (3. → 4.) → gas-liquid separator → compressor;Its control mode is: compressor leaves, triple valve coil electricity, cross valve coil no power, and indoor machine fan is opened, and outdoor machine fan is opened;
Fig. 3 represents that the refrigerant flow circuit of embodiment 2 is water heating flow process: compressor → triple valve 2 1. → hot water coagulation heat exchanger → reservoir → filter → first throttle element J1 → the first check valve D1 → outdoor wind heat exchanger 4 → cross valve 3(2. → 4.) → gas-liquid separator → compressor;Its control mode is: compressor leaves, triple valve coil no power, cross valve coil electricity, and outdoor machine fan is opened, and indoor machine fan is closed down;
Fig. 4 represents that the refrigerant flow circuit of embodiment 2 is heating air-flow journey: compressor → triple valve 2 2. → cross valve 3 (1. → 3.) → indoor wind heat exchanger 5 → second section fluid element J2 → the first check valve D1 → outdoor wind heat exchanger 4 → cross valve 3(2. → 4.) → gas-liquid separator → compressor;Its control mode is: compressor leaves, triple valve coil electricity, cross valve coil electricity, and outdoor machine fan is opened, and indoor machine fan is opened, and water circulating pump stops.
Fig. 5 represents spray hot water defrosting and the refrigeration gas circulating defrosting of embodiment 2;Automatically turn on the magnetic valve DF of defrosting according to system defrosting signal, hot water flows through defrosting hot-water line from heat storage water tank, and to the sparge pipe PS being arranged in above outdoor wind heat exchanger 4 fin, then spray is to the frost layer of outdoor wind heat exchanger 4 fin, quick defrost;The magnetic valve DF of defrosting from water heating pattern than cross valve 3, is switched to the early starting of kind of refrigeration cycle pattern and also first closes for tens seconds, and refrigeration gas endless form defrosting time wants time delay 1-2 minute relatively, in order to the fin heat exchange pipe of indoor wind heat exchanger is dried.

Claims (6)

1. four circulation immersion heat exchange heat storage type hot-water air conditioners, includes refrigerant circuit systems, hot water coagulation heat exchanger, heat storage water tank, signals collecting and circuit control system;The control signal gathering at least includes refrigerant evaporator outlet temperature, heat storage water tank coolant-temperature gage and indoor, outside air temperature, suction pressure of compressor and pressure at expulsion etc.;The compressor of described refrigerant circuit systems, flow controller, outdoor wind heat exchanger and outdoor machine fan, cross valve, filter, gas-liquid separator etc. are arranged in off-premises station, and indoor set is equipped with indoor wind heat exchanger and indoor machine fan;Outdoor machine shell is provided with first and second two angle valves being connected with indoor wind heat exchanger upper and lower end interface;Note, the individual interface of cross valve main valve body side is cross valve first interface, three interfaces of the opposite side of cross valve main valve body, it is about scheduled on cross valve coil without being cross valve the second interface with the interface connecting in first interface during electricity, it is cross valve the 3rd interface with the interface connecting in first interface when cross valve coil has electricity, interface placed in the middle is cross valve the 4th interface, i.e. connect with in the 3rd interface when cross valve coil is without electricity, again when cross valve coil has electricity with the interface connecting in the second interface;Note, triple valve coil is without being triple valve the first gas outlet with the interface connecting in air inlet during electricity, and when triple valve coil has electricity, the interface that connects interior with air inlet is triple valve the second gas outlet;
It is characterized in that:
Described refrigerant circuit systems, also includes a triple valve;Described flow controller is made up of first, second and third check valve and first and second restricting element;Described hot water coagulation heat exchanger is placed in heat storage water tank, and the import and export of refrigerant passage is stayed outside heat storage water tank;Described refrigerant loop connected mode is that the exhaust outlet of compressor is connected with the air inlet of triple valve, and the first gas outlet of triple valve is connected with the third angle valve on outdoor machine shell, is then connected with the refrigerant inlet of hot water coagulation heat exchanger by the 3rd outer connecting pipe;Second gas outlet of triple valve is connected with cross valve first interface;Cross valve second and third, four interfaces are connected with the first angle valve on the upper end interface of outdoor wind heat exchanger, outdoor machine shell, the air inlet of gas-liquid separator respectively;The gas outlet of gas-liquid separator is connected with the air inlet of compressor;The outlet of the lower end interface of outdoor wind heat exchanger and the first check valve, the import of the second check valve connect;The refrigerant outlet of hot water coagulation heat exchanger is connected with the fourth angle valve on outdoor machine shell by the 4th outer connecting pipe, connecting tube in off-premises station for fourth angle valve entrance in parallel with the outlet of the second check valve fluid reservoir, the outlet of fluid reservoir is sequentially connected with filter, first throttle element, the outlet of first throttle element is intercommunicated with the outlet of the import of the first check valve, the import of the 3rd check valve and second section fluid element to be connected, and the outlet of the 3rd check valve and the inlet parallel of second section fluid element are connected altogether with the second angle valve on outdoor machine shell;The upper and lower interface of refrigerant line of indoor wind heat exchanger, first and second angle valve being connected on outdoor machine shell by first and second outer connecting pipe road respectively;Cold-producing medium is filled in the refrigerant loop being linked to be;Described triple valve is the Pneumatic three-way valve with solenoid pilot valve, and the low pressure escape pipe of solenoid pilot valve is directly connected on the compressor suction duct of refrigerant loop;Described cross valve is the Pneumatic four-way valve with solenoid pilot valve, and the high-pressure pipe of solenoid pilot valve is directly connected on the compressor exhaust pipe of refrigerant loop;Described refrigerant circuit systems can organize refrigeration gas hold concurrently water heating, refrigeration gas, water heating, four kinds of heating gas circulation 1.
2. four circulation immersion heat exchange heat storage type hot-water air conditioners according to claim 1, it is characterised in that: the cold-producing medium spiral coil of described hot water coagulation heat exchanger is placed in heat storage water tank, or is also cased with hot water flow guiding casing tube outside cold-producing medium spiral coil;Described heat storage water tank is bearing type heat-storing water tank, is provided with into water interface at heat storage water tank, is provided with water outlet mouthpiece on heat storage water tank top;Inlet pipeline is provided with water intaking valve and water feeding one-way valve.
3. four circulation immersion heat exchange heat storage type hot-water air conditioners according to claim 1, it is characterized in that: described heat storage water tank is at delivery port or has additional a defroster duct, defrosting bye-pass is provided with defrosting magnetic valve, pipeline after defrosting magnetic valve, it is connected to the defrosting hot-water line interface of outdoor machine shell, it is connected with the sparge pipe being arranged in above outdoor wind heat exchanger fin, on the downside of sparge pipe, be drilled with hole for water spraying again.
4. four circulation immersion heat exchange heat storage type hot-water air conditioners according to claim 1, it is characterised in that: first and second described restricting element is electric expansion valve or heating power expansion valve or capillary.
5. four circulation immersion heat exchange heat storage type hot-water air conditioners according to claim 1, it is characterized in that: the organized refrigerator and water heater of described refrigerant circuit systems circulates, circulating cold air processed, water heating circulation and the electric switch control mode of heating circulating processed and refrigerant flow circuit respectively:
(1) water heating double refrigeration gas: compressor leaves, triple valve, the coil no power of cross valve, and indoor machine fan is opened, and outdoor machine fan is closed down, and the water circulating pump being furnished with circulating water pump device is opened;Refrigerant flow circuit: compressor → triple valve → hot water coagulation heat exchanger → reservoir → filter → first throttle element → the 3rd check valve → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(2) freeze gas: compressor leaves, triple valve coil electricity, cross valve coil no power, and indoor machine fan is opened, and outdoor machine fan is opened;Refrigerant flow circuit: compressor → triple valve → cross valve → outdoor wind heat exchanger → the second check valve → reservoir → filter → first throttle element → the 3rd check valve → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(3) water heating: compressor leaves, triple valve coil no power, cross valve coil electricity, outdoor machine fan opens, and indoor machine fan is closed down;Refrigerant flow circuit: compressor → triple valve → hot water coagulation heat exchanger → reservoir → filter → first throttle element → the first check valve → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(4) heating gas: compressor leaves, triple valve coil electricity, cross valve coil electricity, outdoor machine fan opens, and indoor machine fan is opened;Refrigerant flow circuit: compressor → triple valve → cross valve → indoor wind heat exchanger → second section fluid element → the first check valve → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor.
6. four circulation immersion heat exchange heat storage type hot-water air conditioners according to claim 1, it is characterised in that: having three kinds of Defrost methods to select for different regions user, the first uses refrigeration gas endless form, by the release heat of condensation defrosting of compressor compresses cold-producing medium;The second is to use spray hot water defrosting, automatically turns on the magnetic valve of defrosting according to defrosting signal, utilizes hot water defrosting;The third uses first and second kind of Defrost method to be used in combination, and spray hot water defrosting slightly early starting is also first closed for tens seconds, and refrigeration gas endless form defrosting time wants time delay 1-2 minute relatively, in order to the fin heat exchange pipe of indoor wind heat exchanger is dried.
CN201510180394.8A 2015-04-17 2015-04-17 Four circulation immersion heat exchange heat storage type hot-water air conditioners Pending CN106152604A (en)

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Application publication date: 20161123