CN102313326B - Simple, high-efficiency and reliable cold-warm air-conditioning water heater - Google Patents

Simple, high-efficiency and reliable cold-warm air-conditioning water heater Download PDF

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CN102313326B
CN102313326B CN 201010215579 CN201010215579A CN102313326B CN 102313326 B CN102313326 B CN 102313326B CN 201010215579 CN201010215579 CN 201010215579 CN 201010215579 A CN201010215579 A CN 201010215579A CN 102313326 B CN102313326 B CN 102313326B
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water
heat exchanger
valve
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hot water
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CN102313326A (en
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陈则韶
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Jiaxing Huantong Plastics Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps

Abstract

The invention relates to a simple, high-efficiency and reliable cold-warm air-conditioning water heater, which comprises a refrigerant loop, a hot-water condensing heat exchanger, a hot-water storing box and a signal acquisition and circuit control system. A scheme I of the invention is characterized in that: an exhaust opening of a compressor is connected with an air inlet of a three-way valve; a first air outlet of the three-way valve is connected with a refrigerant inlet of the hot-water condensing heat exchanger, and a second air outlet is connected and communicated with a first interface of a four-way valve and a refrigerant outlet of the hot-water condensing heat exchanger; a second interface, a third interface and a fourth interface of the four-way valve are respectively connected with the upper ports of an outdoor-wind heat exchanger and an indoor-wind heat exchanger and an air inlet of an air-liquid separator, and a capillary is connected in series between the lower ports of the outdoor-wind heat exchanger and the indoor-wind heat exchanger; an air outlet of the air-liquid separator is connected with an air inlet of the compressor; and an electromagnetic guide-valve low-voltage air-outlet pipe of the three-way valve is communicated with an air-sucking pipe of the compressor, and an electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with an exhaust pipe of the compressor. A scheme II of the invention is characterized in that: the hot-water condensing heat exchanger is added between the exhaust opening of the compressor of a refrigerant-circulating loop of a cold and warm air conditioner and an air inlet of the four-way valve, and the electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with the exhaust pipe of the compressor; and the two technical schemes both have four functions of hot-water making and refrigerating, hot-water making, refrigerating and heating.

Description

Simple high efficient and reliable cooling/warming conditionner and hot water device
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 two seasons of winter in summer, and spring, autumn are generally left unused, and causes the seasonality waste of equipment and fund.Utilize the Teat pump boiler of the condensation heat water heating of air-conditioner compression refrigeration circulation, substitute domestic, electric water heater, can economize on electricity 70%, energy-saving effect is obvious, and market potential is huge.But commercially available air source hot pump water heater only has the unitary system hot water function at present, can not realize cold and hot comprehensive utilization.and existing many patented technologies that relate to multifunctional heat pump, its refrigerating circuit all configures a plurality of magnetic valves or a plurality of cross valve, and refrigerant circulation loop complex structure, valve have leakage unavoidably, and fault rate is high, poor reliability, although this case applicant is engaged in the research of cold-heat air-conditioning, water-heating three-purpose machine over 10 years always, declare and be authorized to a plurality of Patents technology, for example: a kind of energy saving tripurpose machine for hot and cold air conditioning and supplying hot water (patent No.: 00264455.x), energy-conservation cold-heat air-conditioning, water-heating three-purpose machine (the patent No.: 02116049.X) of a kind of four seasons, air source hot pump water heater (the patent No.: 200510053315.3) with the flow-guiding sleeve heat exchanger storage tank, heat-pump hot-water unit (the patent No.: 200610085913.3) etc. that the water internal circulation heat-exchanging loop is arranged, still dislike refrigerant loop configuration valve many, still cold-producing medium occurring stores up in the various heat exchange device and stays inequality, cause cold-producing medium phenomenon on the high side or on the low side occurring at different circulation times, affect unit efficiency, being connected of hot water coagulation heat exchanger and storage tank and refrigeration cycle is the difficult point of installing always in addition, and these reasons have hindered its marketization, makes the three-way set can not be in the fine effect of low-carbon economy epoch performance.
Summary of the invention
In order to advance multifunctional cooling/warming conditionner and hot water device to enter into market, play a role in energy-conservation, need to overcome the above-mentioned deficiency of its prior art, the simple high efficient and reliable cooling/warming conditionner and hot water device that the utility model proposes, to further simplify its refrigerating circuit structure, improve the reliability of loop switch, conveniently select energy conservation model, reduce simultaneously fault rate, reduce the valves leakage impact, make the complete machine production cost lower, install more convenient, move more stablely, efficient is higher.
The technical solution used in the present invention I is:
Simple high efficient and reliable cooling/warming conditionner and hot water device includes refrigerant circuit systems, hot water coagulation heat exchanger, heat storage water tank, signals collecting and circuit control system; The control signal that gathers includes refrigerant evaporator outlet temperature, boiler 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 fan thereof, cross valve, filter, gas-liquid separator etc. are arranged in off-premises station, and indoor set is equipped with indoor wind heat exchanger and fan thereof; Outdoor machine shell is provided with first and second two angle valves that are connected with indoor wind heat exchanger upper and lower end interface, the refrigerant line of indoor set and off-premises station is coupled together with the pipe that removably connects by these two angle valves; The refrigerant passage of described hot water coagulation heat exchanger is connected on refrigerant circuit systems, and its water passage and heat storage water tank and inlet tube and outlet tube etc. form the hot water heat-exchange system; Described heat storage water tank has heat-insulation layer, is provided with to replenish water inlet interface and hot water effluent's interface; Note, the individual interface of cross valve main valve body one side is the cross valve first interface, three interfaces of the opposite side of cross valve main valve body, when approximately fixing on the cross valve coil without electricity with first interface in the interface that is communicated be cross valve the second interface, when the cross valve coil has electricity with first interface in the interface that is communicated be cross valve the 3rd interface, interface placed in the middle is cross valve the 4th interface, namely be communicated with during without electricity with in the 3rd interface at the cross valve coil, again when the cross valve coil has electricity with the second interface in the interface that is communicated with; Described flow controller is capillary or electric expansion valve or heating power expansion valve;
It is characterized in that: described refrigerant circuit systems also includes a triple valve; Described refrigerant loop connected mode is, the exhaust outlet of compressor is connected with the air inlet of triple valve, the first gas outlet of triple valve, when namely the triple valve coil is without electricity with air inlet in the interface that is communicated with, be connected with the refrigerant inlet of hot water coagulation heat exchanger; The second gas outlet of triple valve and the refrigerant outlet of hot water coagulation heat exchanger and the cross valve first interface tee joint that connects; Cross valve second and third, four interfaces connect with the upper end interface of outdoor wind heat exchanger, the air inlet of the second angle valve that is connected with the upper end interface of indoor wind heat exchanger, gas-liquid separator on outdoor machine shell respectively; The gas outlet of gas-liquid separator is connected with the air inlet of compressor; The lower end interface of outdoor wind heat exchanger is connected with the import of flow controller, or is connected in series with filter therebetween; The first angle valve that is connected with the lower end interface of indoor wind heat exchanger on the outlet of flow controller and outdoor machine shell connects; Fill cold-producing medium in the loop that is linked to be; Described flow controller is that double fluid is to flow controller; 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 flow controller is that described double fluid is to flow controller; Described refrigerant circuit systems can organize water heating hold concurrently refrigeration, water heating, refrigeration gas, heat gas and defrost five kinds of circulations;
Described hot water coagulation heat exchanger is high-efficiency tank pipe heat exchanger or plate type heat exchanger or coaxial sleeve heat exchanger, supports the use with water circulating pump; Or be placed in heat storage water tank spiral coil heat exchanger or with the spiral coil heat exchanger of flow guiding casing tube;
Described heat storage water tank has two kinds of forms, and a kind of is bearing type heat-storing water tank, and another kind is non-bearing type heat-storing water tank; Join the heat storage water tank that water circulating pump is used, be provided with water tank circulation water-in and water-out interface and replenish water inlet, hot water effluent's interface; Water tank cyclic water outlet interface is fetched water in the water tank lowest water level; Water tank circulation water inlet interface and replenish the water inlet interface, water inlet is to water tank middle part water level, water tank circulation water inlet interface or double as and replenish the water inlet interface; Hot water effluent's interface is fetched water in the water tank upper water level; The water tank super-pressure safety valve is installed on the arm of hot water effluent's mouthpiece; Hot water effluent's interface of described non-bearing type heat storage water tank adopt ball float traction flexible pipe to fetch water in the water tank upper water level, and the rigid joint of hot water effluent's interface is connected, and hot water effluent's valve is installed on the hot water outlet pipe with the hot water outlet pipe at water tank bottom; The non-bearing type heat storage water tank also is provided with the overflow water interface at water tank top water level, is connected on hot water outlet pipe after hot water effluent's valve with overflow pipe, and water level controller is installed in water tank; The heat storage water tank of built-in spiral coil heat exchanger only is provided with and replenishes water inlet, hot water effluent's interface, replenishes the water inlet interface at the water tank lowest water level, and hot water effluent's interface is at the water tank peak level;
Described hot water heat-exchange system has two kinds of forced convection circulating hot water heat-exchange system and free convection hot water heat-exchange systems; Its forced convection circulating heat exchange system comprises hot water coagulation heat exchanger, heat storage water tank, water circulating pump, replenishes water inlet pipe, hot water outlet pipe, water intaking valve, water feeding one-way valve, outlet valve, temperature measurement and the compositions such as control system and heat storage water tank pressure safeguard system; Its water route connected mode is: the water tank cyclic water outlet interface of heat storage water tank is connected with water circulating pump water inlet interface, the water circulating pump water outlet mouthpiece is connected with the water inlet of hot water coagulation heat exchanger, the delivery port of hot water coagulation heat exchanger is connected to water tank circulation water inlet interface, water level in the middle part of the water tank of intaking; Replenish the water inlet pipe interface and be connected with additional water inlet interface, or also be connected to water tank circulation water inlet interface in parallel with the delivery port of hot water coagulation heat exchanger, replenish on water inlet pipe water feeding one-way valve and water intaking valve are installed; Hot water effluent's interface of heat storage water tank is connected with user's hot water feeding pipe; The spiral coil heat exchanger of the hot water coagulation heat exchanger of the free convection hot water heat-exchange system of described hot water heat-exchange system or with the spiral coil heat exchanger of flow guiding casing tube, directly be placed in heat storage water tank, its water route connected mode is, replenish the additional water inlet interface of water inlet pipe bottom heat storage water tank and be connected, the hot water outlet pipe is connected with hot water effluent's interface at heat storage water tank top;
Described double fluid is double-current to capillary to flow controller, or double-current to electric expansion valve, or double fluid is to heating power expansion valve; Described double fluid to capillary restrictor, is that double fluid is to equal length or double-current to the unequal length capillary restrictor; Double fluid is the single capillary flow controller to the equal length flow controller, or 2 flow controllers that above equal length capillary paralleling consists of, double fluid is to the unequal length capillary restrictor, with two unequal length capillaries flow controller of reverse direction flow parallel connection again of respectively connecting after a check valve, or first and second two sections capillary series connection, check valve and the second capillary paralleling, two sections capillaries of the import of check valve and first and second connect the flow controller that end is connected altogether;
Electric switch control mode and cold-producing medium flow process that water heating that described refrigerant circuit systems is organized holds concurrently refrigeration, water heating, refrigeration gas, heat five kinds of circulations of gas and defrosting are respectively:
(1) water heating is held concurrently and freezed: compressor leaves, the coil no power of triple valve, cross valve, and indoor machine fan is opened, and outdoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor → triple valve → hot water coagulation heat exchanger (water heating) → cross valve → outdoor wind heat exchanger (supercooled liquid path) → flow controller → filter → indoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor;
(2) water heating: compressor leaves, triple valve coil no power, and the cross valve coil electricity, outdoor machine fan is opened, and indoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor → triple valve → hot water coagulation heat exchanger (water heating) → cross valve → indoor wind heat exchanger (supercooled liquid path) → filter → flow controller → outdoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor;
(3) refrigeration gas: compressor leaves, the triple valve coil electricity, and cross valve coil no power, indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → triple valve → cross valve → outdoor wind heat exchanger (heat release) → flow controller → filter → indoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor;
(4) heat gas: compressor leaves, the triple valve coil electricity, and the cross valve coil electricity, indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → triple valve → cross valve → indoor wind heat exchanger (heat release) → filter → flow controller → outdoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor;
(5) defrosting mode: compressor leaves, the triple valve coil electricity, and cross valve coil no power, indoor machine fan closes, and outdoor machine fan closes, and water circulating pump stops; Cold-producing medium flow process: compressor → triple valve → cross valve → outdoor wind heat exchanger (heat release defrost) → flow controller → filter → indoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor;
Described hot water coagulation heat exchanger or be disposed in outdoor machine shell, or be disposed in heat storage water tank, or be disposed on off-premises station and refrigerant line that heat storage water tank is connected; When rear two kinds of configuration modes, have additional two angle valves that are connected with the cold-producing medium import and export of hot water coagulation heat exchanger on outdoor machine shell; Water circulating pump or be placed in outdoor machine shell, or be placed on the outer hot water coagulation heat exchanger of off-premises station and water route that heat storage water tank is connected.
The technical solution used in the present invention II is:
Simple high efficient and reliable cooling/warming conditionner and hot water device includes refrigerant circuit systems, hot water coagulation heat exchanger, heat storage water tank, signals collecting and circuit control system; The control signal that gathers includes refrigerant evaporator outlet temperature, boiler 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 fan thereof, cross valve, filter, gas-liquid separator etc. are arranged in off-premises station, and indoor set is equipped with indoor wind heat exchanger and fan thereof; Outdoor machine shell is provided with first and second two angle valves that are connected with indoor wind heat exchanger upper and lower end interface, the refrigerant line of indoor set and off-premises station is coupled together with the pipe that removably connects by these two angle valves; The refrigerant passage of described hot water coagulation heat exchanger is connected on refrigerant circuit systems, and its water passage and heat storage water tank and inlet tube and outlet tube etc. form the hot water heat-exchange system; Described heat storage water tank has heat-insulation layer, is provided with to replenish water inlet interface and hot water effluent's interface; Described flow controller is capillary or electric expansion valve or heating power expansion valve;
It is characterized in that: the connected mode of described refrigerant circuit systems is, the exhaust outlet of compressor is connected with the refrigerant inlet of hot water coagulation heat exchanger, and the refrigerant outlet of hot water coagulation heat exchanger is connected with the first interface of cross valve; Cross valve second and third, four interfaces, respectively with the upper end interface of outdoor wind heat exchanger, outdoor machine shell on the second angle valve, the air inlet of gas-liquid separator that are connected with the upper end interface of indoor wind heat exchanger connect; The lower end interface of outdoor wind heat exchanger is connected the first angle valve that is connected with the lower end interface of indoor wind heat exchanger with outdoor machine shell, be connected with the two-port of flow controller respectively, on the pipeline that connects therebetween or filter is installed; The gas outlet of gas-liquid separator is connected with the air inlet of compressor, fills cold-producing medium in the loop that is linked to be; Described cross valve is the Pneumatic four-way valve with solenoid pilot valve, and the high-pressure pipe of its solenoid pilot valve will directly be linked on compressor exhaust pipe; Described flow controller is that double fluid is to flow controller; Described refrigerant circuit systems can organize water heating hold concurrently refrigeration, water heating, refrigeration gas, heat gas and defrost five kinds of circulations;
Described hot water coagulation heat exchanger is high-efficiency tank pipe heat exchanger or plate type heat exchanger or coaxial sleeve heat exchanger, supports the use with water circulating pump; Or be placed in heat storage water tank spiral coil heat exchanger or with the spiral coil heat exchanger of flow guiding casing tube;
Described heat storage water tank has two kinds of forms, and a kind of is bearing type heat-storing water tank, and another kind is non-bearing type heat-storing water tank; Join the heat storage water tank that water circulating pump is used, be provided with water tank circulation water-in and water-out interface and replenish water inlet, hot water effluent's interface; Water tank cyclic water outlet interface is fetched water in the water tank lowest water level; Water tank circulation water inlet interface and replenish the water inlet interface, water inlet is to water tank middle part water level, water tank circulation water inlet interface or double as and replenish the water inlet interface; Hot water effluent's interface is fetched water in the water tank upper water level; The water tank super-pressure safety valve is installed on the arm of hot water effluent's mouthpiece; Hot water effluent's interface of described non-bearing type heat storage water tank adopt ball float traction flexible pipe to fetch water in the water tank upper water level, and the rigid joint of hot water effluent's interface is connected, and hot water effluent's valve is installed on the hot water outlet pipe with the hot water outlet pipe at water tank bottom; The non-bearing type heat storage water tank also is provided with the overflow water interface at water tank top water level, is connected on hot water outlet pipe after hot water effluent's valve with overflow pipe, and water level controller is installed in water tank; The heat storage water tank of built-in spiral coil heat exchanger only is provided with and replenishes water inlet, hot water effluent's interface, replenishes the water inlet interface at the water tank lowest water level, and hot water effluent's interface is at the water tank peak level;
Described hot water heat-exchange system has two kinds of forced convection circulating hot water heat-exchange system and free convection hot water heat-exchange systems; Its forced convection circulating heat exchange system comprises hot water coagulation heat exchanger, heat storage water tank, water circulating pump, replenishes water inlet pipe, hot water outlet pipe, water intaking valve, water feeding one-way valve, outlet valve, temperature measurement and the compositions such as control system and pressure safeguard system; Its water route connected mode is: the water tank cyclic water outlet interface of heat storage water tank is connected with water circulating pump water inlet interface, the water circulating pump water outlet mouthpiece is connected with the water inlet of hot water coagulation heat exchanger, the delivery port of hot water coagulation heat exchanger is connected to water tank circulation water inlet interface, water level in the middle part of the water tank of intaking; Replenish the water inlet pipe interface and be connected with additional water inlet interface, or also be connected to water tank circulation water inlet interface in parallel with the delivery port of hot water coagulation heat exchanger, replenish on water inlet pipe water feeding one-way valve and water intaking valve are installed; Hot water effluent's interface of heat storage water tank is connected with user's hot water feeding pipe; The spiral coil heat exchanger of the hot water coagulation heat exchanger of the free convection hot water heat-exchange system of described hot water heat-exchange system or with the spiral coil heat exchanger of flow guiding casing tube, directly be placed in heat storage water tank, its water route connected mode is, replenish the additional water inlet interface of water inlet pipe bottom heat storage water tank and be connected, the hot water outlet pipe is connected with hot water effluent's interface at heat storage water tank top;
Described double fluid is double-current to capillary to flow controller, or double-current to electric expansion valve, or double fluid is to heating power expansion valve; Described double fluid to capillary restrictor, is that double fluid is to equal length or double-current to the unequal length capillary restrictor; Double fluid is the single capillary flow controller to the equal length flow controller, or 2 flow controllers that above equal length capillary paralleling consists of; Double fluid is to the unequal length capillary restrictor, with two unequal length capillaries flow controller of reverse direction flow parallel connection again of respectively connecting after a check valve, or first and second two sections capillary series connection, check valve and the second capillary paralleling, two sections capillaries of the import of check valve and first and second connect the flow controller that end is connected altogether;
Water heating that described refrigerant circuit systems is organized hold concurrently refrigeration, water heating, refrigeration gas, heat the electric switch control mode of five kinds of circulations of gas and defrosting, and the cold-producing medium flow process is respectively:
(1) the water heating kind of refrigeration cycle of holding concurrently: compressor leaves, and the cross valve coil is without electricity, and indoor machine fan is opened, and outdoor machine fan closes, and water circulating pump leaves; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger (water heating) → cross valve → outdoor wind heat exchanger (supercooled liquid path) → filter → flow controller → indoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor.
(2) water heating circulation: compressor leaves, the cross valve coil electricity, and outdoor machine fan is opened, and indoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger (water heating) → cross valve → indoor wind heat exchanger (supercooled liquid path) → flow controller → filter → outdoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor.
(3) refrigeration gas circulation: compressor leaves, and the cross valve coil is without electricity, and indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger (crossing hot gas path) → cross valve → outdoor wind heat exchanger (heat release) → filter → flow controller → indoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor.
(4) heat the gas circulation: compressor leaves, the cross valve coil electricity, and indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger (crossing hot gas path) → cross valve → indoor wind heat exchanger (heat release) → flow controller → filter → outdoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor.
(5) defrost cycle: compressor starts, and the cross valve coil has electricity, and indoor machine fan closes, and outdoor machine fan closes, and water circulating pump stops.Cold-producing medium flow process: compressor → hot water coagulation heat exchanger (crossing hot gas path) → cross valve → outdoor wind heat exchanger (heat release defrost) → filter → stream device → indoor wind heat exchanger (heat absorption) → cross valve → gas-liquid separator → compressor;
Described hot water coagulation heat exchanger or be disposed in outdoor machine shell, or be disposed in heat storage water tank, or be disposed on off-premises station and refrigerant line that heat storage water tank is connected; When rear two kinds of configuration modes, have additional two angle valves that are connected with the cold-producing medium import and export of hot water coagulation heat exchanger on outdoor machine shell; Water circulating pump or be placed in outdoor machine shell, or be placed on the outer hot water coagulation heat exchanger of off-premises station and water route that heat storage water tank is connected.
Innovative point of the present invention is:
1, the refrigerant circulation loop of the cooling/warming conditionner and hot water device of design is simple in structure: compare with existing cooling and heating air conditioner, technical scheme II of the present invention refrigerant loop in only added a hot water coagulation heat exchanger between exhaust outlet of compressor and cross valve air inlet, by the improvement to the control gas circuit of cross valve, the cross valve that uses in gas circuit when changing feed liquor into, also can be switched freely in air inlet; Therefore only adopt the switching of a cross valve, coordinate water circulating pump, outdoor machine fan, the start-stop of indoor machine fan, can organize water heating hold concurrently refrigeration, water heating, refrigeration gas, heat gas and the defrosting Multi-function air conditioner water heater of totally five kinds of circulations.Its successful key point is: the high-pressure pipe of the solenoid pilot valve of cross valve is directly linked on compressor exhaust pipe, rather than intactly be connected on the air inlet pipe of cross valve main valve body.Because, higher pressure refrigerant gas by the hot water coagulation heat exchanger in the water heating circulation has condensed into liquid, the original air inlet of cross valve becomes liquid-inlet, the high-pressure pipe of the solenoid pilot valve that is connected with cross valve main valve body air inlet pipe can not obtain gases at high pressure, also just can't provide gases at high pressure to the piston cavity at cross valve main valve body two ends, change the cross valve path direction.The hot water coagulation heat exchanger that increased before the cross valve air inlet in the refrigerant loop of technical scheme II, this point is innovation not very, because being a lot of patents of invention and utility model, this all mentions, but, if the control gas circuit of cross valve is not improved, multi-functional circulation just can not realize, can not reliable and stablely move in other words.Only have the full implementation of technical solution of the present invention II, be only feasible innovation.The switching construction of technical scheme is the simplest; But, when long-time kind of refrigeration cycle, the hot water of hot water coagulation heat exchanger otherwise the heat of the overheated gas of higher pressure refrigerant gas is received in disconnecting, temperature can slowly raise, and surely not surpasses the compressor air-discharging maximum temperature.
2, at technical scheme I of the present invention, than technical scheme II between the import of the gas outlet of the compressor of refrigerant loop and cross valve, add a triple valve, it makes simple high efficient and reliable cooling/warming conditionner and hot water device, remain with the function of cooling and heating air conditioner fully, and it is stable strictly to control the hot water temperature.Adopt technical scheme I of the present invention, at two circulation times of the double refrigeration of water heating and water heating, first and second interface pressure of giving vent to anger of triple valve is substantially equal, interior leakage can not appear, improved stability, can all reclaim the condensation heat of compression refrigerant gas, the highest heat recovery efficiency has been arranged; And when water heating was held concurrently kind of refrigeration cycle, before the hot water coagulation heat exchanger was connected on outdoor wind heat exchanger, outdoor wind heat exchanger was the subcooler of refrigerant liquid, can also improve refrigerating capacity.Technical scheme I has peak performance efficient.The key problem in technology point of guaranteeing technical scheme I success is: triple valve and cross valve used in refrigerating circuit, all passed through transformation, the blast pipe of the solenoid pilot valve of the triple valve that is made into by existing cross valve is connected on compressor suction duct, and the air inlet pipe of the solenoid pilot valve of the cross valve that is made into by existing cross valve is connected on compressor exhaust pipe.There has been this improvement to make and switched reliably, stable performance.
3, adopt compact efficient formula hot water coagulation heat exchanger, miniaturization is made separately, and production efficiency is high, and cost is low.Therefore, can be arranged on the hot water coagulation heat exchanger in outdoor machine shell, the hot water coagulation heat exchanger is connected with circulating water line with heat storage water tank, than connecting with the fluorine pipeline, not only be convenient to install and user's use, reduce the connecting line cost, and reduce the leakage probability of refrigerant loop.In addition, adopt water circulating pump forced circulation heat exchange mode, greatly improved the heat transfer efficiency of hot water coagulation heat exchanger, the Energy Efficiency Ratio of unit is further improved.
4, joining the heat storage water tank that water circulating pump uses is provided with water tank circulation water-in and water-out interface and replenishes water inlet, hot water effluent's interface, water tank cyclic water outlet interface is at the water tank foot, hot water effluent's interface should be from the water intaking of water tank peak level, and this design is that everybody adopts; But the additional water inlet interface of the technical program is not common the water inlet in water tank bottom, but water level in the middle part of the water tank of intaking; The water tank of the technical program circulation water inlet interface, be not water inlet usually to the water tank upper water level, but water inlet is to water tank middle part water level; Water circulating pump is arranged on the circulation inlet pipeline of hot water coagulation heat exchanger, the running water water inlet is not the water inlet that is connected to water circulating pump, but in parallel with the recirculated water water outlet mouthpiece of hot water coagulation heat exchanger, receive on cistern circulated water water inlet interface water level in the middle part of the water tank of namely intaking; This design, that to fully take into account heat pump optimal output operating mode be that condensation temperature is in 35～50 ℃ of intervals, if the running water temperature is very low in the winter time, allow 7 ℃ of running water directly pass through the hot water coagulation heat exchanger when for example 7 ℃ of users take hot water continuously, the condensing pressure of heat pump can be very low, it is normal 30% that the exerting oneself of Teat pump boiler only has, and can not normally move; And design of the present invention, the running water that replenishes enters the water tank middle part, and the hot water blending of cold water and water tank middle and lower part makes the circulating water temperature that enters the hot water coagulation heat exchanger far above the temperature of additional running water, lower than the average water temperature of heat storage water tank, be best suited for again heat pump work again.When the check valve of installing on the running water water inlet pipe avoided tap water pressure not enough, in heat storage water tank, hot water outflowed and forces water circulation normal; Hot water effluent's interface of heat storage water tank is got heat storage water tank top water level, can allow the user obtain the hottest hot water; The non-bearing type heat storage water tank adopts ball float traction hose water pipe water inlet, no matter the water level height can be got hot water the hottest in water tank.This design is comprehensive utilization thermodynamics, thermal conduction study and hydromechanical principle.
In a word, owing to having taked above-mentioned a plurality of invention measure, simple high efficient and reliable cooling/warming conditionner and hot water device of the present invention, can adapt to that cold and hot and hot water demand measures difference and allotment arbitrarily, really realized comprehensive frigiopyretic dysentery use, the utilization rate maximization of equipment year, the average annual maximized target of energy-saving efficiency; Structure is simplified most, has avoided the leakage problem of many valves, has solved in many heat exchangers multiloop heat pump water heater system, and the unbalanced difficult problem of cold-producing medium when the loop that the various heat exchange device forms is moved has improved the stability of equipment operation; Be easy to batch making, be easy to install, energy decrease cost is the energy-conservation domestic hot-water's of producing of real science good equipment, has wide market prospects, will play a role in low-carbon economy, contributes.
Description of drawings
Fig. 1 is simple high efficient and reliable cooling/warming conditionner and hot water device of the present invention, the system architecture of embodiment 1 and fundamental diagram, and the switching mechanism of refrigerant circuit systems is made of a triple valve and a cross valve.
Fig. 2 is simple high efficient and reliable cooling/warming conditionner and hot water device of the present invention, and embodiment 2 system architectures and fundamental diagram, refrigerant circuit systems switching mechanism are a cross valve.
Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d are the hot water coagulation heat exchanger of simple high efficient and reliable cooling/warming conditionner and hot water device of the present invention four kinds of configuration modes and the rough schematic views that connect of hot water water route thereof in system.
Specific embodiment:
Further describe structure and the operation principle of simple high efficient and reliable cooling/warming conditionner and hot water device of the present invention by embodiment below in conjunction with accompanying drawing.But content of the present invention is not limited only to shown in accompanying drawing.
Structural relation and the operation principle of embodiment 1 are illustrated by Fig. 1.
as shown in Figure 1, three of Fig. 1 dashed rectangle A, B, C represent respectively off-premises station, indoor set, the large assembly of heat storage water tank three of the simple high efficient and reliable cooling/warming conditionner and hot water device of the present invention, the compressor 1 of the refrigerant circuit systems of embodiment 1, hot water coagulation heat exchanger 2, triple valve 3, cross valve 4, flow controller J, outdoor wind heat exchanger 5 and fan 5a thereof, gas-liquid separator 6 etc., and water circulating pump all is assembled in outdoor machine shell, indoor wind heat exchanger 7 and fan 7a thereof are placed in indoor set, heat storage water tank 8 is the vertical heat-insulation layer press-bearing water tank that is surrounded by, note, the individual interface of cross valve main valve body one side is cross valve first interface 1. (code name is D in standardization), three interfaces of the opposite side of cross valve main valve body, when approximately fixing on the cross valve coil without electricity with first interface in the interface that is communicated be cross valve the second interface 2. (changing code name in standard is C), when the cross valve coil has electricity with first interface in the interface that is communicated be cross valve the 3rd interface 3. (changing code name in standard is E), interface placed in the middle is cross valve the 4th interface 4. (changing code name in standard is S), namely be communicated with during without electricity with in the 3rd interface at the cross valve coil, again when the cross valve coil has electricity with the second interface in the interface that is communicated with, cross valve first interface diameter less is generally as common inlet, cross valve the 4th interface is generally as public outlet,
The refrigerant loop connected mode of embodiment 1 is, the exhaust outlet of compressor 1 is connected with the air inlet of triple valve 3, the first gas outlet of triple valve 3 1., when namely the triple valve coil is without electricity with air inlet in the interface that is communicated with, be connected with the refrigerant inlet of hot water coagulation heat exchanger 2; 2. triple valve the second gas outlet is connected intercommunicated with the refrigerant outlet that 1. cross valve first interface 4 is connected with the hot water coagulation heat exchanger; 2. cross valve the second interface 4 is connected with the upper end interface of outdoor wind heat exchanger 5, after 3. cross valve the 3rd interface 4 is connected to the second angle valve Z2 on outdoor machine shell, be connected with the upper end interface of indoor wind heat exchanger 7 with the pipe that removably connects again, 4. cross valve the 4th interface 4 is connected with the air inlet of gas-liquid separator 6, and the gas outlet of gas-liquid separator is connected with the air inlet of compressor 1; The lower end interface of outdoor wind heat exchanger 5 is connected with the first interface of flow controller J, after the second interface tandem filter G of flow controller, is connected to the first angle valve Z1 on outdoor machine shell, then is connected with the lower end interface of indoor wind heat exchanger 7 with the pipe that removably connects; Fill cold-producing medium in the loop that is linked to be;
The triple valve 3 of embodiment 1 is the Pneumatic three-way valves with solenoid pilot valve 3a, improved by the existing Pneumatic four-way valve with solenoid pilot valve in market and form, namely there is the cross valve main valve body the middle interface of three interfaces to block, the solenoid pilot valve 3a low pressure tubule that goes out to breathe hard, from original with cut off being connected of mouthpiece (code name is the adapter of S in standardization), one section tubule of repair welding is connected with the compressor suction duct of refrigerant loop as solenoid pilot valve low pressure escape pipe L1 and leads to; Described cross valve 4 is the Pneumatic four-way valves with solenoid pilot valve 4a, improved by the existing Pneumatic four-way valve with solenoid pilot valve in market and form, namely the short tubule of the high pressure admission of solenoid pilot valve, cut off from originally being connected with cross valve first interface pipe, one section tubule of repair welding is connected logical with the compressor exhaust pipe of refrigerant loop as the high-pressure pipe L2 of solenoid pilot valve, L1 and L2 use and a little put a line and represent especially in Fig. 1;
Embodiment 1 heat storage water tank 8 used is the vertical press-bearing water tank with heat-insulation layer, and the heat storage water tank of joining the water circulating pump use is provided with three water interfaces: cistern circulated water water outlet mouthpiece C1, fetch water in the water tank lowest water level; Cistern circulated water water inlet interface C2 doubles as additional running water inlet, water level in the middle part of the water tank of intaking; Hot water effluent's interface C3 fetches water in the water tank upper water level, and superpressure safety protective valve Fa and hot water effluent's valve F2 are housed on the hot water outlet pipe; Water-in and water-out interface S1, the S2 of hot water coagulation heat exchanger and the water tank of heat storage water tank interface C1, the C2 pipeline S1-C1 that recycles, intakes, S2-C2 connects into circulating water loop, and water circulating pump 9 is arranged on the circulation inlet pipeline (S1-C1) of hot water coagulation heat exchanger in off-premises station; Running water water inlet pipe interface is in parallel with the water outlet mouthpiece S2 of hot water coagulation heat exchanger 2, then receives on water tank circulation water inlet interface C2, water feeding one-way valve Ds1 is housed, water intaking valve F1 on the running water water inlet pipe; Hot water effluent's interface of heat storage water tank is connected with user's hot water feeding pipe.
Embodiment 1 hot water coagulation heat exchanger used is the high-efficiency tank pipe heat exchanger, places augmentation of heat transfer helical form copper pipe in the pressure-bearing tank, flowing water in pipe, and tank skin becomes liquid with pipe outer room condensation of refrigerant.
The control signal refrigerant evaporator outlet temperature of embodiment 1 described collection is temp probe T1, the T2 of outdoor, indoor wind heat exchanger upper port, 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, the T2 of outdoor, indoor wind heat exchanger provides air conditioner to control parameter, and the coolant-temperature gage probe T3, T4 provide the water heating operational parameter control, and pressure probe P1 and P2 provide the security of system Protection parameters;
The described simple high efficient and reliable cooling/warming conditionner and hot water device of embodiment 1, have four kinds of function closed circuits: water heating is held concurrently and is freezed, water heating, refrigeration gas, heat the gas closed circuit, can organize four kinds of function circulations and a kind of defrost cycle operational mode, wherein water heating is held concurrently and is freezed and the water heating closed circuit, be to be used as to add the new independent loop that the hot water coagulation heat exchanger forms between the wind heat exchanger of condenser and exhaust outlet of compressor in refrigeration with in heating the gas closed circuit respectively, be called for short three heat-exchanger circuits of the preposition series connection of hot water coagulation heat exchanger; The circuit of five kinds of circulation patterns is controlled and the cold-producing medium flow process of closed circuit is respectively:
(1) the water heating refrigeration mode of holding concurrently: compressor 1 starts, triple valve 3, cross valve 4 coil no powers, and indoor machine fan 7a opens, and outdoor machine fan 5a is closed down, and water circulating pump 9 leaves; The cold-producing medium flow process: compressor 1 → triple valve 3 1. → hot water coagulation heat exchanger 2 (water heating) → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 (supercooled liquid path) → flow controller J → filter G → first angle valve Z1 → indoor wind heat exchanger 7 (heat absorption) → second angle valve Z2 → cross valve 4 (3. → 4.) → gas-liquid separator 6 → compressors 1.
(2) water heating pattern: compressor starts, triple valve coil no power, and the cross valve coil electricity, outdoor machine fan is opened, and indoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor 1 → triple valve 3 (1.) → hot water coagulation heat exchanger 2 (water heating) → cross valve 4 (1. → 3.) → second angle valve Z2 → indoor wind heat exchanger 7 (supercooled liquid path) → first angle valve Z1 → filter G → flow controller J → outdoor wind heat exchanger 5 (heat absorption) → cross valve 4 (2. → 4.) → gas-liquid separator 6 → compressor 1.
(3) refrigeration gas pattern: compressor starts, the triple valve coil electricity, and cross valve coil no power, indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor 1 → triple valve 3 (2.) → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 (heat release) → flow controller J → filter G → first angle valve Z1 → indoor wind heat exchanger 7 (heat absorption) → second angle valve Z2 → cross valve 4 (3. → 4.) → gas-liquid separator 6 → compressors 1.
(4) heat the gas pattern: compressor starts, the triple valve coil electricity, and the cross valve coil electricity, indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor 1 → triple valve 3 (2.) → cross valve 4 (1. → 3.) → second angle valve Z2 → indoor wind heat exchanger 7 (heat release) → first angle valve Z1 → filter G → flow controller J → outdoor wind heat exchanger 5 (heat absorption) → cross valve 4 (2. → 4.) → gas-liquid separator 6 → compressor 1.
(5) defrosting mode: compressor starts, the triple valve coil electricity, and cross valve coil no power, indoor machine fan 7a closes, and outdoor machine fan 5a closes, and water circulating pump 9 stops; Cold-producing medium flow process: compressor 1 → triple valve 3 (2.) → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 (heat release defrost) → flow controller J → filter G → first angle valve Z1 → indoor wind heat exchanger 7 (heat absorption) → second angle valve Z2 → cross valve 4 (3. → 4.) → gas-liquid separator 6 → compressors 1.
Structural relation and the operation principle of embodiment 2 are illustrated by Fig. 2.
Switching mechanism in the simple high efficient and reliable cooling/warming conditionner and hot water device of embodiment 2, refrigerant loop only has a cross valve.
As shown in Figure 2, off-premises station, indoor set, the large assembly of heat storage water tank three of three dashed rectangle A, B in Fig. 2, the C simple high efficient and reliable cooling/warming conditionner and hot water device that represents respectively the embodiment of the present invention 2; The compressor 1 of the refrigerant circuit systems of embodiment 2, hot water coagulation heat exchanger 2, cross valve 4, flow controller J, outdoor wind heat exchanger 5 and fan 5a thereof, gas-liquid separator 6 etc., and water circulating pump all is contained in off-premises station; Indoor wind heat exchanger and fan thereof are placed in indoor set; Heat storage water tank 8 is surrounded by the heat-insulation layer press-bearing water tank for horizontal wall-hanging, and heat storage water tank is provided with water tank circulation water-in and water-out interface C1, C2 and hot water effluent's interface C3; The C2 interface has short tube to insert half height of water level in water tank; The C3 interface has short tube to insert the height of water level of water tank interior 90%; Water-in and water-out interface S1, the S2 of hot water coagulation heat exchanger and cistern circulated water go out, intake interface C1, C2 water pipe C1-S1 and water pipe C2-S2 connects into circulating water loop, and water circulating pump 9 is housed in the C1-S1 connecting line; The circulation waterway flow process is: the water tank circulation water inlet C2 of water tank circulating outlet C1 → water circulating pump 9 → hot water coagulation heat exchanger 2 → heat storage water tank of heat storage water tank 8; Replenish the water outlet mouthpiece S2 of water inlet pipe and hot water coagulation heat exchanger and be connected on the water tank circulation water inlet C2 of heat storage water tank, replenishing on water pipe water feeding one-way valve Ds1 and water intaking valve F1 are installed; Superpressure safety protective valve Fa is installed on the arm of the outlet pipe of heat storage water tank;
The refrigerant loop connected mode of embodiment 2 is: the exhaust outlet of compressor 1 is connected with the refrigerant inlet of hot water coagulation heat exchanger 2, and 1. the refrigerant outlet of hot water coagulation heat exchanger is connected with cross valve first interface 4; Cross valve second and third, 44 (2., 3., 4.) interface, respectively with the upper end interface of outdoor wind heat exchanger 5, outdoor machine shell on the second angle valve Z2, the air inlet of gas-liquid separator 6 that are connected with the upper end interface of indoor wind heat exchanger connect; Described flow controller J be double fluid to flow controller, an end interface of flow controller is connected with the lower end interface of outdoor wind heat exchanger 5, the first angle valve Z1 connection that is connected with the lower end interface of indoor wind heat exchanger on other end interface and outdoor machine shell; The gas outlet of gas-liquid separator 6 is connected with the air inlet of compressor 1; Pipe is connected the upper and lower end interface of the indoor wind heat exchanger 7 of indoor set with second, one angle valve Z2, Z1 on outdoor machine shell with removably connecting; Fill cold-producing medium R22 in the loop that is linked to be; Described cross valve is the Pneumatic four-way valve with solenoid pilot valve, and the high-pressure pipe L1 of its solenoid pilot valve directly links on compressor exhaust pipe, represents with some point line in figure; Described flow controller J be double fluid to flow controller, its constituted mode is: two sections capillary J1 and J2 series connection, check valve D1 and J2 are connected in parallel, the import of check valve D1 and J1 and J2 altogether connect to hold and are connected.
Described refrigerant circuit systems can organize water heating hold concurrently refrigeration, water heating, refrigeration gas, heat gas circulation and defrost cycle, electric switch control mode and the cold-producing medium flow process of five kinds of circulations are respectively:
(1) the water heating kind of refrigeration cycle of holding concurrently: compressor 1 leaves, and cross valve 4 coils are without electricity, and indoor machine fan 7a opens, and outdoor machine fan 5a is closed down, and water circulating pump 9 leaves; Cold-producing medium flow process: compressor 1 → hot water coagulation heat exchanger 2 (water heating) → cross valves 4 (1. → 2.) → outdoor wind heat exchanger 5 (supercooled liquid path) → filter G → flow controller J (J1) → check valve D1 → first angle valve Z1 → indoor wind heat exchanger 7 (heat absorption) → second angle valve Z2 → cross valve 4 (3. → 4.) → gas-liquid separator 6 → compressors 1;
(2) water heating circulation: compressor leaves, the cross valve coil electricity, and outdoor machine fan is opened, and indoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor 1 → hot water coagulation heat exchanger 2 (water heating) → cross valves 4 (1. → 3.) → second angle valve Z2 → indoor wind heat exchanger 7 (supercooled liquid path) → first angle valve Z1 → flow controller J (J1+J2) → filter G → outdoor wind heat exchanger 5 (heat absorption) → cross valve 4 (2. → 4.) → gas-liquid separator 6 → compressor 1;
(3) refrigeration gas circulation: compressor leaves, and the cross valve coil is without electricity, and indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor 1 → hot water coagulation heat exchanger 2 (crossing hot gas path) → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 (heat release) → filter G → flow controller J (J1) → check valve D1 → first angle valve Z1 → indoor wind heat exchanger 7 (heat absorption) → second angle valve Z2 → cross valve 4 (3. → 4.) → gas-liquid separator 6 → compressors 1;
(4) heat the gas circulation: compressor leaves, the cross valve coil electricity, and indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor 1 → hot water coagulation heat exchanger 2 (crossing hot gas path) → cross valve 4 (1. → 3.) → second angle valve Z2 → indoor wind heat exchanger 7 (heat release) → first angle valve Z1 → flow controller J (J1+J2) → filter G → outdoor wind heat exchanger 5 (heat absorption) → cross valve 4 (2. → 4.) → gas-liquid separator 6 → compressor 1;
(5) defrost cycle: compressor starts, and the cross valve coil has electricity, and indoor machine fan closes, and outdoor machine fan closes, and water circulating pump stops.Cold-producing medium flow process: compressor 1 → hot water coagulation heat exchanger 2 (crossing hot gas path) → cross valve 4 (1. → 2.) → outdoor wind heat exchanger 5 (heat release) → filter G → stream device J (J1) → check valve D1 → angle valve Z1 → indoor wind heat exchanger 7 (heat absorption) → angle valve Z2 → cross valve 4 (3. → 4.) → gas-liquid separator 6 → compressor 1.
Fig. 3 is several separate form of simple high efficient and reliable cooling/warming conditionner and hot water device of the present invention.
It is split type that Fig. 3 a is depicted as four assemblies, and dashed rectangle A, B, C, E represent respectively off-premises station, indoor set, heat storage water tank and hot water coagulation heat exchanger assembly, and wherein water circulating pump is attached in the hot water coagulation heat exchanger assembly; First, second and third and four angle valve Z1 being convenient to connect are installed on the casing of off-premises station, Z2, Z3 and Z4, first and second angle valve Z1, Z2 is connected with the lower end of the indoor wind heat exchanger of indoor set, upper end interface, and third and fourth angle valve Z3, Z4 are connected into and out of interface with the cold-producing medium of hot water coagulation heat exchanger; Heat storage water tank 8 is the horizontal type press-bearing water tank with heat-insulation layer, is provided with three water interfaces: water tank cyclic water outlet interface C1, fetch water in the water tank lowest water level; Water tank circulation water inlet interface C2, water level in the middle part of the water tank of intaking; Hot water effluent's interface C3 fetches water in the water tank upper water level; Pressure security relief valve Fa and hot water effluent's valve F2 are housed on the hot water outlet pipe; Heat storage water tank is horizontal to be hung on wall; Hot water heat-exchange system shown in Fig. 3 a, it is forced convection circulating hot water heat-exchange system, its water route connected mode is: water-in and water-out interface S1, the S2 of hot water coagulation heat exchanger and the water tank of heat storage water tank recycle, intake interface C1, C2 connects into circulating water loop with pipeline S1-C1 and S2-C2, water circulating pump 9 is arranged on the circulation inlet pipeline (S1-C1) of hot water coagulation heat exchanger, and the additional water inlet pipe interface of running water and the recirculated water water outlet mouthpiece S2 of hot water coagulation heat exchanger also are connected on water tank circulation water inlet interface C2; Water feeding one-way valve Ds1 is housed, water intaking valve F1 on the running water water inlet pipe; Hot water effluent's interface C3 of heat storage water tank is connected with user's hot water feeding pipe, and super-pressure safety valve Fa is installed on the arm of hot water effluent's mouthpiece.Hot water circulation loop is: the water passage of heat storage water tank (C1) → water circulating pump 9 → hot water coagulation heat exchanger 2 (S1 → S2) → heat storage water tank (C2 → C1) → water circulating pump.Take hot water and adopt running water to eject the water mode, i.e. running water water intaking valve F1 (long opening), the hot water effluent's valve F2 on the hot water outlet pipe opens, and can go out hot water; The temp probe T4 of heat storage water tank provides water heating circulation starting and stops, and water heating or the water heating signal of holding concurrently the kind of refrigeration cycle starting and stopping.
It is split type that Fig. 3 b is depicted as three assemblies, dashed rectangle A, B, C represent respectively off-premises station, indoor set, heat storage water tank three assemblies, heat storage water tank is vertical, hot water coagulation heat exchanger 2 is directly installed in off-premises station A, water circulating pump 9 is placed on the circulating water line S1-C1 that is connected hot water coagulation heat exchanger and heat storage water tank between heat storage water tank and off-premises station, two angle valves on the casing of two off-premises stations of saving, very compact, be convenient to install in the user; The connected mode in water route is identical with Fig. 3 a.
Fig. 3 C is depicted as three body formulas, and dashed rectangle A, B, C represent respectively off-premises station, indoor set, heat storage water tank, and the hot water coagulation heat exchanger is spiral coil or the band fair water sleeves spiral coil heat exchanger that is placed in water tank; Heat storage water tank is provided with and replenishes water inlet interface C2 and hot water effluent's interface C3; Replenish water inlet interface C2 at the water tank bottommost, hot water effluent's interface C3 is in the water tank highest order; Replenish water inlet pipe and directly be connected with additional water inlet interface C2, water feeding one-way valve Ds1 is housed, water intaking valve F1 on water inlet pipe; Hot water effluent's interface C3 is connected with user's hot water feeding pipe, and super-pressure safety valve Fa is installed on the arm of hot water effluent's mouthpiece.This mode, although complete machine is compact, with the heat storage water tank complex manufacturing technology of spiral coil heat exchanger, cost increases, and the water tank installation site is restricted.
Fig. 3 d is depicted as four body formulas, and dashed rectangle A, B, C represent respectively off-premises station, indoor set, heat storage water tank assembly, and wherein water circulating pump and hot water coagulation heat exchanger are arranged in off-premises station; Its heat storage water tank is the non-bearing type heat storage water tank that heat-insulation layer is arranged, and is provided with three water interfaces and an overflow water interface C4, and cistern circulated water water outlet mouthpiece C1 fetches water in the water tank lowest water level; Cistern circulated water water inlet interface C2 doubles as additional running water inlet, water level in the middle part of the water tank of intaking; Hot water effluent's interface adopts ball float C3a traction flexible pipe to fetch water in the water tank upper water level, and hot water effluent's interface rigid interface C3 is at water tank bottom; Outlet valve F2 is installed on hot water effluent's mouthpiece; Overflow water interface C4 is at water tank top water level, after being connected to hot water effluent's valve with overflow pipe YL; Water level controller SW and water temperature probe T4 is installed in water tank; When the floating ring of water level controller SW is encountered lower water level contact, automatically open entering water electromagnetic valve and replenish running water, when encountering upper water level contact, stop into water; When water temperature arrives setting value, for example 55 ℃, stop the water heating circulation; Lower than the design temperature lower limit, for example 40 ℃, restart the water heating circulation when water temperature.

Claims (9)

1. a cooling/warming conditionner and hot water device, include refrigerant circuit systems, hot water coagulation heat exchanger, heat storage water tank, signals collecting and circuit control system; The control signal that gathers includes refrigerant evaporator outlet temperature, boiler 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 fan thereof, cross valve, filter, gas-liquid separator are arranged in off-premises station, indoor set is equipped with indoor wind heat exchanger and fan thereof, outdoor machine shell is provided with first and second two angle valves that are connected with the upper and lower end interface of indoor wind heat exchanger, the refrigerant line of indoor set and off-premises station is coupled together with the pipe that removably connects by these two angle valves; The refrigerant passage of described hot water coagulation heat exchanger is connected on refrigerant circuit systems, and its water passage and heat storage water tank and inlet tube and outlet tube form the hot water heat-exchange system; Described heat storage water tank has heat-insulation layer, is provided with to replenish water inlet interface and hot water effluent's interface; Note, the individual interface of cross valve main valve body one side is the cross valve first interface, three interfaces of the opposite side of cross valve main valve body, when approximately fixing on the cross valve coil without electricity with first interface in the interface that is communicated be cross valve the second interface, when the cross valve coil has electricity with first interface in the interface that is communicated be cross valve the 3rd interface, interface placed in the middle is cross valve the 4th interface, namely be communicated with during without electricity with in the 3rd interface at the cross valve coil, again when the cross valve coil has electricity with the second interface in the interface that is communicated with; Described flow controller is capillary or electric expansion valve or heating power expansion valve;
It is characterized in that: described refrigerant circuit systems also includes a triple valve; Described refrigerant loop connected mode is, the exhaust outlet of compressor is connected with the air inlet of triple valve, the first gas outlet of triple valve, when namely the triple valve coil is without electricity with air inlet in the interface that is communicated with, be connected with the refrigerant inlet of hot water coagulation heat exchanger; The second gas outlet of triple valve and the refrigerant outlet of hot water coagulation heat exchanger and the cross valve first interface tee joint that connects; Cross valve second and third, four interfaces connect with the upper end interface of outdoor wind heat exchanger, the air inlet of the second angle valve that is connected with the upper end interface of indoor wind heat exchanger, gas-liquid separator on outdoor machine shell respectively; The gas outlet of gas-liquid separator is connected with the air inlet of compressor; The lower end interface of outdoor wind heat exchanger is connected with the import of flow controller, or is connected in series with filter therebetween; The first angle valve that is connected with the lower end interface of indoor wind heat exchanger on the outlet of flow controller and outdoor machine shell connects; Fill cold-producing medium in the loop that is linked to be; Described flow controller is that double fluid is to flow controller; 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 flow controller is that double fluid is to flow controller; Described refrigerant circuit systems can organize water heating hold concurrently refrigeration, water heating, refrigeration gas, heat gas and defrost five kinds of circulations.
2. a cooling/warming conditionner and hot water device, include refrigerant circuit systems, hot water coagulation heat exchanger, heat storage water tank, signals collecting and circuit control system; The control signal that gathers includes refrigerant evaporator outlet temperature, boiler 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 fan thereof, cross valve, filter, gas-liquid separator are arranged in off-premises station, and indoor set is equipped with indoor wind heat exchanger and fan thereof; Outdoor machine shell is provided with first and second two angle valves that are connected with the upper and lower end interface of indoor wind heat exchanger, the refrigerant loop of indoor set, off-premises station is coupled together with the pipe that removably connects by these two angle valves; The refrigerant passage of described hot water coagulation heat exchanger is connected on refrigerant circuit systems, and its water passage and heat storage water tank system and inlet tube and outlet tube form the hot water heat-exchange system; Described heat storage water tank has heat-insulation layer, is provided with to replenish water inlet interface and hot water effluent's interface; Described flow controller is capillary or electric expansion valve or heating power expansion valve;
It is characterized in that: the connected mode of described refrigerant circuit systems is, the exhaust outlet of compressor is connected with the refrigerant inlet of hot water coagulation heat exchanger, and the refrigerant outlet of hot water coagulation heat exchanger is connected with the first interface of cross valve; Cross valve second and third, four interfaces, respectively with the upper end interface of outdoor wind heat exchanger, outdoor machine shell on the second angle valve, the air inlet of gas-liquid separator that are connected with the upper end interface of indoor wind heat exchanger connect; The lower end interface of outdoor wind heat exchanger is connected the first angle valve that is connected with the lower end interface of indoor wind heat exchanger with outdoor machine shell, be connected with the two-port of flow controller respectively, on the pipeline that connects therebetween or filter is installed; The gas outlet of gas-liquid separator is connected with the air inlet of compressor, fills cold-producing medium in the loop that is linked to be; Described cross valve is the Pneumatic four-way valve with solenoid pilot valve, and the high-pressure pipe of its solenoid pilot valve will directly be linked on compressor exhaust pipe; Described flow controller is that double fluid is to flow controller; Described refrigerant circuit systems can organize water heating hold concurrently refrigeration, water heating, refrigeration gas, heat gas and defrost five kinds of circulations.
3. as claim 1 or a kind of cooling/warming conditionner and hot water device claimed in claim 2, it is characterized in that: described hot water coagulation heat exchanger is high-efficiency tank pipe heat exchanger or plate type heat exchanger or coaxial sleeve heat exchanger, supports the use with water circulating pump; Or be placed in heat storage water tank spiral coil heat exchanger or with the spiral coil heat exchanger of flow guiding casing tube.
4. as claim 1 or a kind of cooling/warming conditionner and hot water device claimed in claim 2, it is characterized in that: described heat storage water tank has two kinds of forms, and a kind of is bearing type heat-storing water tank, and another kind is non-bearing type heat-storing water tank; Join the heat storage water tank that water circulating pump is used, be provided with water tank circulation water-in and water-out interface and replenish water inlet, hot water effluent's interface; Water tank cyclic water outlet interface is fetched water in the water tank lowest water level; Water tank circulation water inlet interface and replenish the water inlet interface, water inlet is to water tank middle part water level, water tank circulation water inlet interface or double as and replenish the water inlet interface; Hot water effluent's interface is fetched water in the water tank upper water level; The water tank super-pressure safety valve is installed on the arm of hot water effluent's mouthpiece; Hot water effluent's interface of described non-bearing type heat storage water tank adopt ball float traction flexible pipe to fetch water in the water tank upper water level, and the rigid joint of hot water effluent's interface is connected, and hot water effluent's valve is installed on the hot water outlet pipe with the hot water outlet pipe at water tank bottom; The non-bearing type heat storage water tank also is provided with the overflow water interface at water tank top water level, is connected on hot water outlet pipe after hot water effluent's valve with overflow pipe, and water level controller is installed in water tank; The heat storage water tank of built-in spiral coil heat exchanger only is provided with and replenishes water inlet, hot water effluent's interface, replenishes the water inlet interface at the water tank lowest water level, and hot water effluent's interface is at the water tank peak level.
5. as claim 1 or a kind of cooling/warming conditionner and hot water device claimed in claim 2, it is characterized in that: described hot water heat-exchange system has two kinds of forced convection circulating hot water heat-exchange system and free convection hot water heat-exchange systems; Its forced convection circulating heat exchange system comprises hot water coagulation heat exchanger, heat storage water tank, water circulating pump, replenishes water inlet pipe, hot water outlet pipe, water intaking valve, water feeding one-way valve, outlet valve, temperature measurement and control system and heat storage water tank pressure safeguard system; Its water route connected mode is: the water tank cyclic water outlet interface of heat storage water tank is connected with water circulating pump water inlet interface, the water circulating pump water outlet mouthpiece is connected with the water inlet of hot water coagulation heat exchanger, the delivery port of hot water coagulation heat exchanger is connected to water tank circulation water inlet interface, water level in the middle part of the water tank of intaking; Replenish the water inlet pipe interface and be connected with additional water inlet interface, or also be connected to water tank circulation water inlet interface in parallel with the delivery port of hot water coagulation heat exchanger, replenish on water inlet pipe water feeding one-way valve and water intaking valve are installed; Hot water effluent's interface of heat storage water tank is connected with user's hot water feeding pipe; The spiral coil heat exchanger of the hot water coagulation heat exchanger of the free convection hot water heat-exchange system of described hot water heat-exchange system or with the spiral coil heat exchanger of flow guiding casing tube, directly be placed in heat storage water tank, its water route connected mode is, replenish the additional water inlet interface of water inlet pipe bottom heat storage water tank and be connected, the hot water outlet pipe is connected with hot water effluent's interface at heat storage water tank top.
6. as claim 1 or a kind of cooling/warming conditionner and hot water device claimed in claim 2, it is characterized in that: described double fluid is double-current to capillary to flow controller, or double-current to electric expansion valve, or double fluid is to heating power expansion valve; Described double fluid to capillary restrictor, is that double fluid is to equal length or double-current to the unequal length capillary restrictor; Double fluid is the single capillary flow controller to the equal length flow controller, or 2 flow controllers that above equal length capillary paralleling consists of; Double fluid is to the unequal length capillary restrictor, with two unequal length capillaries flow controller of reverse direction flow parallel connection again of respectively connecting after a check valve, or first and second two sections capillary series connection, check valve and the second capillary paralleling, two sections capillaries of the import of check valve and first and second connect the flow controller that end is connected altogether.
7. a kind of cooling/warming conditionner and hot water device as claimed in claim 1, it is characterized in that: the water heating that described refrigerant circuit systems is organized hold concurrently refrigeration, water heating, refrigeration gas, heat the electric switch control mode of five kinds of circulations of gas and defrosting, and the cold-producing medium flow process is respectively:
(1) water heating is held concurrently and freezed: compressor leaves, the coil no power of triple valve, cross valve, and indoor machine fan is opened, and outdoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor → triple valve → hot water coagulation heat exchanger → cross valve → outdoor wind heat exchanger → flow controller → filter → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(2) water heating: compressor leaves, triple valve coil no power, and the cross valve coil electricity, outdoor machine fan is opened, and indoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor → triple valve → hot water coagulation heat exchanger → cross valve → indoor wind heat exchanger → filter → flow controller → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(3) refrigeration gas: compressor leaves, the triple valve coil electricity, and cross valve coil no power, indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → triple valve → cross valve → outdoor wind heat exchanger → flow controller → filter → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(4) heat gas: compressor leaves, the triple valve coil electricity, and the cross valve coil electricity, indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → triple valve → cross valve → indoor wind heat exchanger → filter → flow controller → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(5) defrosting mode: compressor leaves, the triple valve coil electricity, and cross valve coil no power, indoor machine fan closes, and outdoor machine fan closes, and water circulating pump stops; Cold-producing medium flow process: compressor → triple valve → cross valve → outdoor wind heat exchanger → flow controller → filter → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor.
8. a kind of cooling/warming conditionner and hot water device as claimed in claim 2, it is characterized in that: water heating that described refrigerant circuit systems is organized hold concurrently refrigeration, water heating, refrigeration gas, heat the electric switch control mode of five kinds of circulations of gas and defrosting, and the cold-producing medium flow process is respectively:
(1) the water heating kind of refrigeration cycle of holding concurrently: compressor leaves, and the cross valve coil is without electricity, and indoor machine fan is opened, and outdoor machine fan closes, and water circulating pump leaves; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger → cross valve → outdoor wind heat exchanger → filter → flow controller → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(2) water heating circulation: compressor leaves, the cross valve coil electricity, and outdoor machine fan is opened, and indoor machine fan is closed down, and water circulating pump leaves; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger → cross valve → indoor wind heat exchanger → flow controller → filter → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(3) refrigeration gas circulation: compressor leaves, and the cross valve coil is without electricity, and indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger → cross valve → outdoor wind heat exchanger → filter → flow controller → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(4) heat the gas circulation: compressor leaves, the cross valve coil electricity, and indoor machine fan is opened, and outdoor machine fan is opened, and water circulating pump stops; Cold-producing medium flow process: compressor → hot water coagulation heat exchanger → cross valve → indoor wind heat exchanger → flow controller → filter → outdoor wind heat exchanger → cross valve → gas-liquid separator → compressor;
(5) defrost cycle: compressor starts, and the cross valve coil has electricity, and indoor machine fan closes, and outdoor machine fan closes, and water circulating pump stops.Cold-producing medium flow process: compressor → hot water coagulation heat exchanger → cross valve → outdoor wind heat exchanger → filter → stream device → indoor wind heat exchanger → cross valve → gas-liquid separator → compressor.
9. as claim 1 or a kind of cooling/warming conditionner and hot water device claimed in claim 2, it is characterized in that: described hot water coagulation heat exchanger or be disposed in outdoor machine shell, or be disposed in heat storage water tank, or be disposed on off-premises station and refrigerant line that heat storage water tank is connected; When rear two kinds of configuration modes, have additional two angle valves that are connected with the cold-producing medium import and export of hot water coagulation heat exchanger on outdoor machine shell; Water circulating pump or be placed in outdoor machine shell, or be placed on the outer hot water coagulation heat exchanger of off-premises station and water route that heat storage water tank is connected.
CN 201010215579 2010-06-30 2010-06-30 Simple, high-efficiency and reliable cold-warm air-conditioning water heater Expired - Fee Related CN102313326B (en)

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