CN106152603A - Four multi-cycle separation heat storage type hot-water air conditioners - Google Patents

Four multi-cycle separation heat storage type hot-water air conditioners Download PDF

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CN106152603A
CN106152603A CN201510180386.3A CN201510180386A CN106152603A CN 106152603 A CN106152603 A CN 106152603A CN 201510180386 A CN201510180386 A CN 201510180386A CN 106152603 A CN106152603 A CN 106152603A
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valve
water
heat exchanger
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gas
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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;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;Hot water coagulation heat exchanger is connected by circulation waterway with heat storage water tank, is equipped with water circulating pump and auxiliary heater.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 multi-cycle separation 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:OnePlant 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, have 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 the five circulation double heat source heat pump water heater (CN of air source hot pump water heater 201010211846.1), 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, affects 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
The technical solution used in the present invention is:
Four multi-cycle separation 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, triple valve, 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 outdoor machine shell;Described refrigerant loop connected mode is: 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 refrigerant inlet of hot water coagulation heat exchanger;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 outlet of the refrigerant outlet of hot water coagulation heat exchanger and the second check valve is in parallel enters 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 outer connecting pipe 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;
Four described multi-cycle separation heat storage type hot-water air conditioners, it is characterised in that: the water-in and water-out interface of the water passage of described hot water coagulation heat exchanger stretches out outdoor machine shell, and by outer water pipe go out with the recirculated water of heat storage water tank, import is connected;Circulating water line configures water circulating pump;The recirculated water of described heat storage water tank goes out, import is individually placed to waist and the bottom of heat storage water tank, and the circulating water outlet of heat storage water tank also serves as water inlet, is connected with water feeding one-way valve outlet by three-way connection, water feeding one-way valve import and running water pipe understanding;The top of heat storage water tank is provided with delivery port, stays the hot-water line with user to be connected;
Four described multi-cycle separation heat storage type hot-water air conditioners, it is characterised in that: described hot water coagulation heat exchanger is further connected with heating radiator, auxiliary heater on the circulation waterway of heat storage water tank;Described auxiliary heater is electric water heater or gas heater, or the electric water heater being placed in heat storage water tank;Described heating heat sink arrangements has bypass line, radiator branch and bypass line to be equipped with valve, control recirculated water to;
Four described multi-cycle separation heat storage type hot-water air conditioners, it is characterized in that: heat storage water tank connect hot water circulating pipeline be connected to a defrost water lines to outdoor wind heat exchanger above, the magnetic valve of defrosting is installed on bye-pass, the rear pipeline section of magnetic valve is sparge pipe, arranged above along the fin of outdoor wind heat exchanger, it is drilled with hole for water spraying on the downside of pipe;
First and second described restricting element is electric expansion valve or heating power expansion valve or capillary;
Described heat storage water tank has two kinds of forms, and one is bearing type heat-storing water tank, and another kind is non-bearing type heat-storing water tank;
Four described multi-cycle separation heat storage type hot-water air conditioners, it is characterised in that: 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 water circulating pump leaves;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, and water circulating pump stops;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, and water circulating pump leaves;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, and water circulating pump stops;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 multi-cycle separation 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, utilizes 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 multi-cycle separation heat storage type hot-water air conditioners of design, it is four discrete circulations, each circulation only two heat exchanger work, and switching construction is simple, compared with existing air conditioner, only increasing a triple valve and a hot water coagulation heat exchanger in the refrigerant loop of the present invention, 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.
5th, the four multi-cycle separation heat storage type hot-water air conditioners of the present invention, provide two kinds of heating systems winter, and one is hot water heating, join radiator and use, and are suitable for bedroom heating;Another kind is for heating installation, is suitable for parlor and uses;The feature of hot water heating, quiet, room farther out can be transported to by water route and use;For the feature of heating installation, start fast, use in the Room being provided with indoor set or room.Normal for ensureing severe cold weather heating, circulation waterway configures configuration electric water heater in auxiliary heater or heat storage water tank;Configure electric heater in indoor evaporator.
In a word, the foregoing invention point of the four multi-cycle separation heat storage type hot-water air conditioners of the present invention, there is novelty, advance 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..
Fig. 1 is refrigerant circuit systems structure and the operation principle schematic diagram of four multi-cycle separation heat storage type hot-water air conditioners of the embodiment of the present invention 1, water heating double refrigeration gas model process, the heat storage water tank of built-in electric heater.
Fig. 2 is the refrigeration gas model process figure of four multi-cycle separation heat storage type hot-water air conditioners of the embodiment of the present invention 1.
Fig. 3 is the system architecture of four multi-cycle separation heat storage type hot-water air conditioners of the embodiment of the present invention 2 and water heating and hot water heating fundamental diagram, difference with embodiment 1 is to join electrical auxiliary heater on circulation waterway, provides the connection diagram of radiator device with user.
Fig. 4 is the heating gas schematic flow sheet of four multi-cycle separation 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 multi-cycle separation heat storage type hot-water air conditioners of the embodiment of the present invention 2.
Specific embodiment:
Further described structure and the operation principle of the four multi-cycle separation 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 multi-cycle separation heat storage type hot-water air conditioners and operation principle jointly illustrated by Fig. 1 and Fig. 2.
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, hot water coagulation heat exchanger 6, first, second and third check valve D1, D2, D3, reservoir 7, filter G, first and second restricting element J1, J2, gas-liquid separator 10 and water circulating pump 9 are all assembled in outdoor machine shell;Indoor wind heat exchanger 5 and indoor machine fan 5a thereof are placed in indoor set;Heat storage water tank 8 is surrounded by heat-insulation layer press-bearing water tank for vertical, and electrical auxiliary heater is arranged in heat storage water tank, is equivalent to electric heater;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, it is about scheduled on cross valve coil without during electricity with the interface connecting in first interface being cross valve the second interface 2. (changing code name in a standard is C), 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;Note, triple valve coil without during electricity with the first gas outlet that the interface connecting in air inlet is triple valve, when triple valve coil has an electricity, the interface that connects interior with air inlet is the second gas outlet of triple valve;
The refrigerant loop connected mode of embodiment 1 is that the exhaust outlet of compressor 1 is connected with the air inlet of triple valve 2, and 1. the first gas outlet of triple valve is connected with the refrigerant inlet of hot water coagulation heat exchanger 6;1. 2. second gas outlet of triple valve be connected with cross valve 3 first interface;Cross valve second and third, four interfaces 2., 3., be 4. 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;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 connect;The outlet of the refrigerant outlet of hot water coagulation heat exchanger and the second check valve is in parallel enters fluid reservoir 7, the outlet of fluid reservoir is sequentially connected with filter G, first throttle element J1, the outlet of first throttle element J1 is connected intercommunicated with the import of first and third check valve and second section fluid element J2 outlet, and the outlet of the 3rd check valve and second section fluid element J2 outlet parallel connection are connected altogether with the second angle valve Z2 on outdoor machine shell;The upper and lower interface of refrigerant line of the indoor wind heat exchanger of indoor set, on first and second angle valve Z1, the Z2 being connected on outdoor machine shell by connecting line respectively;Cold-producing medium is filled in the refrigerant loop being linked to be;Described triple valve 2 is the Pneumatic three-way valve with solenoid pilot valve, and the low pressure escape pipe L1 of solenoid pilot valve is directly connected on the compressor suction duct of refrigerant loop;Described cross valve 3 is the Pneumatic four-way valve with solenoid pilot valve, and the high-pressure pipe L2 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 triple valve 3 of embodiment 1 is the Pneumatic three-way valve with solenoid pilot valve 3a, uses 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, cutting 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;Described cross valve 4 is the 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 used by embodiment 1 is the vertical press-bearing water tank with heat-insulation layer, joins the heat storage water tank that water circulating pump uses and is provided with three water interfaces: cistern circulated water water outlet mouthpiece C1, fetches water in water tank lowest water level;Three-way interface C2 in the middle part of water tank, a road is recirculated water water inlet interface, and another road is running water water inlet interface, equipped with water feeding one-way valve SDF on running water water inlet pipe, water intaking valve F1;Hot water effluent interface C3, fetches water in water tank upper water level, and hot water outlet pipe is upper equipped with superpressure safety protective valve Fa with hot water effluent valve F2;Water-in and water-out interface S1, S2 of hot water coagulation heat exchanger and the water tank of heat storage water tank recycle, interface C1, C2 pipeline S1-C1 of intaking, and S2-C2 connects into circulating water loop, and water circulating pump 9 is arranged in circulation inlet pipeline (S1-C1);Hot water effluent's interface of heat storage water tank is connected with the hot water feeding pipe of user;Electric heater H is installed in the heat storage water tank of embodiment 1;Hot water coagulation heat exchanger 6 is plate type heat exchanger;
Embodiment 1 is intake on interface S2-C2 pipeline at the water outlet mouthpiece of hot water coagulation heat exchanger with the water tank circulation of heat storage water tank, threeway head is connect a defroster duct to above outdoor wind heat exchanger, defrosting magnetic valve DCF is installed in bye-pass, magnetic valve back segment pipeline is sparge pipe PS, it along the fin arrangement of outdoor wind heat exchanger, on the downside of pipe, is drilled with hole for water spraying;Automatically open up and close the magnetic valve DCF of defrosting according to defrosting signal, spray hot water defrosting;
Embodiment 1 increases auxiliary electrical heater pipe on the wind heat exchanger of indoor set, and electric heating tube is arranged with refrigerant heat exchanger tube side-by-side, as existing air-conditioner adds the facture of electric heating tube;
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 multi-cycle separation heat storage type 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, and the refrigerant flow circuit of four kinds of closed circuits is shown in that Fig. 1-4 is 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, and water circulating pump 9 leaves;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, and water circulating pump stops;Refrigerant flow circuit, as shown in Figure 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, as shown in Figure 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;When winter, the low nearly 0 DEG C of heat pump cycle heating capacity of temperature was not enough, open electrical auxiliary heater H;
(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, as shown in Figure 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;When winter, the low nearly 0 DEG C of heat pump cycle heating capacity of temperature was not enough, open the electrical auxiliary heater of wind heat exchanger in ancillary chamber;
The defrosting of embodiment 1 uses two kinds of methods to combine and runs, general defrosting uses circulating cold air processed, when defrosting signal occurs, or evaporator refrigerant pressures reduce serious when, open defrosting magnetic valve DCF, spray hot water defrosting, after stopping spray hot water, continue to use circulating cold air a period of time processed, remove the steam of outdoor wind heat exchanger fin, it is ensured that defrosting is thoroughly.
Embodiment 2The structure of four multi-cycle separation heat storage type hot-water air conditioners and operation principle illustrated by Fig. 3.
As it is shown on figure 3, 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 and Fig. 2, Fig. 3 refrigerant flow circuit is water heating model process.Embodiment 2 is with the difference of embodiment 1: be provided with electrical auxiliary heater or gas heater H on hot water circulating pipeline, and with heating radiator 11;Described heating heat sink arrangements has bypass line, bypass line and radiator branch to be respectively provided with valve F3 and F4, and when using radiator heating in the winter time, valve F3 closes, and valve F4 opens;Valve F3 opens At All Other Times, and valve F4 closes;Running water pipe is followed by bypass line through water intaking valve F1 and water feeding one-way valve SDF, uses middle water intaking valve F1 to open, and heat storage water tank bears tap water pressure.
The flow process of Fig. 3, spring and autumn heat pump mode from outdoor air source absorb heat water heating, refrigerant flow circuit is: compressor → triple valve 2 1. → hot water coagulation heat exchanger → reservoir → filter → first throttle element → the first check valve D1 → outdoor wind heat exchanger 4 → cross valve 3(2. → 4.) → gas-liquid separator → compressor;
When winter, the low nearly 0 DEG C of heat pump cycle heating capacity of temperature was not enough, open electrical auxiliary heater;If only during bath hot water processed, hot water circulation loop is: water circulating pump 9 → hot water coagulation heat exchanger 6 → auxiliary heater H → water valve F3 → heat storage water tank 8;If heating hot water, then hot water circulation loop is: water circulating pump 9 → hot water coagulation heat exchanger 6 → auxiliary heater H → water valve F4 → radiator 11 → heat storage water tank, 8 → water circulating pump 9.
Fig. 4 is the heating gas schematic flow sheet of four multi-cycle separation heat storage type hot-water air conditioners of the embodiment of the present invention 2;Its heating air-flow journey is: 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;Hot water circulating pump stops;When winter, the low nearly 0 DEG C of heat pump cycle heating capacity of temperature was not enough, open the electrical auxiliary heater of wind heat exchanger in ancillary chamber.
Heat water-spraying's defrosting and the cold-producing medium heat of condensation defrosting circulation schematic diagram during defrosting of four multi-cycle separation heat storage type hot-water air conditioners of Fig. 5 embodiment of the present invention 2;When the temperature of the temp probe T1 of outdoor wind heat exchanger quickly reduces or the pressure of compressor air suction probe P1 quickly reduces, when defrosting signal occurs, signals collecting and circuit control system send instruction, open the magnetic valve DCF of defrosting, the hot water of heat storage water tank, sprayed the fin of outdoor wind heat exchanger, the quick defrost of hot water by sparge pipe PS;In addition, refrigerant system is switched to the gas circulation pattern that freezes, after delayed time system pressure balance, enter refrigeration gas circulation pattern, just hot water frost, utilize the compressor compresses cold-producing medium release heat of condensation, the fin heats of outdoor wind heat exchanger is dried up.This two kinds of methods use simultaneously, and defrosting speed is fast, thoroughly.

Claims (7)

1. four multi-cycle separation heat storage type hot-water air conditioner, 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;The compressor of described refrigerant circuit systems, flow controller, outdoor wind heat exchanger and outdoor machine fan, triple valve, 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 outdoor machine shell;Described refrigerant loop connected mode is: 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 refrigerant inlet of hot water coagulation heat exchanger;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 outlet of the refrigerant outlet of hot water coagulation heat exchanger and the second check valve is in parallel enters 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 outer connecting pipe 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.
2. four multi-cycle separation heat storage type hot-water air conditioners according to claim 1, it is characterised in that: the water-in and water-out interface of the water passage of described hot water coagulation heat exchanger stretches out outdoor machine shell, and by outer water pipe go out with the recirculated water of heat storage water tank, import is connected;Circulating water line configures water circulating pump;The recirculated water of described heat storage water tank goes out, import is individually placed to waist and the bottom of heat storage water tank, and the circulating water outlet of heat storage water tank also serves as water inlet, is connected with water feeding one-way valve outlet by three-way connection, water feeding one-way valve import and running water pipe understanding;The top of heat storage water tank is provided with delivery port, stays the hot-water line with user to be connected;Described heat storage water tank is bearing type heat-storing water tank.
3. four described multi-cycle separation heat storage type hot-water air conditioners according to claim 1, it is characterised in that: described hot water coagulation heat exchanger is further connected with heating radiator, auxiliary heater on the circulation waterway of heat storage water tank;Described auxiliary heater is electric water heater or gas heater, or the electric water heater being placed in heat storage water tank;Described heating heat sink arrangements has bypass line, radiator branch and bypass line to be equipped with valve, control recirculated water to.
4. four described multi-cycle separation heat storage type hot-water air conditioners according to claim 1, it is characterized in that: heat storage water tank connect hot water circulating pipeline be connected to a defrost water lines to outdoor wind heat exchanger above, the magnetic valve of defrosting is installed on bye-pass, the rear pipeline section of magnetic valve is sparge pipe, arranged above along the fin of outdoor wind heat exchanger, it is drilled with hole for water spraying on the downside of pipe.
5. first and second described restricting element according to claim 1 is electric expansion valve or heating power expansion valve or capillary.
6. four described multi-cycle separation 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 water circulating pump leaves;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, and water circulating pump stops;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, and water circulating pump leaves;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, and water circulating pump stops;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.
7. four described multi-cycle separation 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, utilizes 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.
CN201510180386.3A 2015-04-17 2015-04-17 Four multi-cycle separation heat storage type hot-water air conditioners Pending CN106152603A (en)

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* Cited by examiner, † Cited by third party
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WO2004111554A1 (en) * 2003-06-13 2004-12-23 Daikin Industries, Ltd. Freezer apparatus
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CN103032999A (en) * 2011-10-08 2013-04-10 陈则韶 Dual-heat source heat pump water heating all-in-one machine employing dual four-way valves for switching
CN204154021U (en) * 2014-04-17 2015-02-11 陈则韶 A kind of Practical multifunction hot-water air conditioner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004111554A1 (en) * 2003-06-13 2004-12-23 Daikin Industries, Ltd. Freezer apparatus
CN201199118Y (en) * 2008-04-17 2009-02-25 富通金港工程技术(北京)有限公司 Novel energy-saving refrigeratory
CN102313326A (en) * 2010-06-30 2012-01-11 陈则韶 Simple, high-efficiency and reliable cold-warm air-conditioning water heater
CN102486344A (en) * 2010-12-02 2012-06-06 陈则韶 Compact cooling/heating air-conditioning and hot water supply three-purpose machine capable of building natural circulating flow for heat exchange
CN102889708A (en) * 2011-07-17 2013-01-23 陈则韶 Two-source heat pump multi-function machine
CN103032999A (en) * 2011-10-08 2013-04-10 陈则韶 Dual-heat source heat pump water heating all-in-one machine employing dual four-way valves for switching
CN204154021U (en) * 2014-04-17 2015-02-11 陈则韶 A kind of Practical multifunction hot-water air conditioner

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Application publication date: 20161123