CN103453691B - Three-in-one air conditioner and hot water supply device - Google Patents
Three-in-one air conditioner and hot water supply device Download PDFInfo
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- CN103453691B CN103453691B CN201310340594.6A CN201310340594A CN103453691B CN 103453691 B CN103453691 B CN 103453691B CN 201310340594 A CN201310340594 A CN 201310340594A CN 103453691 B CN103453691 B CN 103453691B
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Abstract
The invention discloses a three-in-one air conditioner and hot water supply device which comprises a heat pump type air conditioner outdoor unit A, an air conditioner indoor unit B, a hot water storage and supply system C and an intelligent control system. A hot water exchanger mounted in an air conditioner outdoor unit A box is connected with a hot water tank of the hot water storage and supply system C. An air conditioner valve of the air conditioner outdoor unit A is connected with an evaporator of the air conditioner indoor unit B. A first four-way reversing valve, a second four-way reversing valve and a third four-way reversing valve are mounted on a coolant pipe of an air conditioner compressor. On the basis of mature cooling air conditioner technology, structure and process are optimized, the plurality of four-way reversing valves and a one-way valve are reasonably added in the air conditioner outdoor unit, functions such as independent cooling, independent heating, independent hot water supply, cooling plus hot water supply and heating plus hot water supply are realized on one device, hot water generated by condensing heat exchange during cooling and heating is provided for work or life use.
Description
Technical field
The invention belongs to air-conditioning technique and household appliance technical field, relate to a kind of air conditioner for office, office building, auditoriums, hotels, family and air heat pump hot water facility, be specifically related to a kind of three-in-one air conditioner and hot-water supply device.
Background technology
Along with developing rapidly of national economy, living standards of the people improve constantly day by day, and the places such as office, office building, auditoriums, hotels, family work and living condition easily in order to provide comfortable to people, generally using air-condition and all kinds of hot water facility.Current air conditioner is easy to use, and its shortcoming is that start runs power consumption greatly, and single cold air-conditioning has externally discharged condensation heat when freezing, and warms bring adverse effect to environment; Although and its shortcoming of heat pump water-heating machine employs condensation heat to produce hot water, its shortcoming has lost cold, cold wind is discharged into outdoor and slatterns.
Because air-conditioning and heat pump water-heating machine basic classification are supplied in the market, if simultaneously using air-condition and hot water, then need to install an air-conditioner respectively and and heat pump water-heating machine, invest many, floor space large, operates use also not too convenient.
Summary of the invention
The object of this invention is to provide a kind of novel structure, easy to install, be suitable for office, office building, auditoriums, hotels, the three-in-one air conditioner that family uses and hot-water supply device, it is by heat pump air conditioner off-premises station, indoor set, hot water tank and supply system form, adopt intelligent control method regulable control temperature, by multiple four-way change-over valve of setting up in heat pump air conditioner off-premises station and check valve, by independent cooling, independent heat supply, prepared by separate hot water, cooling+hot water preparation, heat supply+hot water the multinomial operational mode such as to be prepared and is integrated in all over the body, a tractor serves several purposes, solve the problems referred to above of existing air-conditioning and heat-pump water heater existence.
The technical solution adopted in the present invention is, a kind of three-in-one air conditioner and hot-water supply device, comprise the hot water storage supply system C that the heat pump air conditioner off-premises station A that connects with refrigerant pipe is connected with pipeline with indoor apparatus of air conditioner B, heat pump air conditioner off-premises station A, and intelligence control system composition, it is characterized in that, described intelligence control system is made up of intelligent controller and multiple temperature sensor be connected on coolant connecting tube road;
The hot water heat exchanger installed in the described heat pump air conditioner off-premises station A casing air control valve connected on the boiler of hot water storage supply system C, air-conditioner outdoor unit A connects the evaporimeter of indoor apparatus of air conditioner B, and the refrigerant pipe of compressor of air conditioner has installed first, second, third four-way change-over valve respectively;
Described refrigeration compressor ventilating mouth refrigerant pipe is connected with the first four-way change-over valve import, the outlet of the first four-way change-over valve side is connected with the refrigerant import of hot water heat exchanger with refrigerant pipe, the opposite side outlet of the first four-way change-over valve is connected with check valve refrigerant pipe, the refrigerant exit of hot water heat exchanger is connected with another check valve inlet, after the outlet of two check valves converges, be connected with the import of coolant connecting tube with the 4th four-way change-over valve, first four-way change-over valve is connected with the muffler of compressor of air conditioner with coolant connecting tube with the gas returning port of the 4th four-way change-over valve, one side outlet of the 4th four-way change-over valve is connected with the import of air-cooled condenser with refrigerant pipe, and on the inlet connecting branch of air-cooled condenser set temperature sensor, the opposite side outlet of the 4th four-way change-over valve is connected with the import of refrigerant pipe with the second four-way change-over valve, the outlet refrigerant pipe of air-cooled condenser divides three tunnels, one tunnel is connected with the import of check valve group, one tunnel is connected through the side outlet of check valve with the 3rd four-way change-over valve, one tunnel is connected with restricting element through another check valve, restricting element to export with the first device for drying and filtering with coolant connecting tube and is connected, first device for drying and filtering import coolant connecting tube is connected with a side outlet of the second four-way change-over valve, the gas returning port of the second four-way change-over valve is connected with the muffler of compressor of air conditioner with refrigerant pipe, an outlet of check valve group with coolant connecting tube machine through the second device for drying and filtering, restricting element, air control valve is connected with the import of the evaporimeter of indoor apparatus of air conditioner B, an outlet refrigerant pipe is connected through the outlet of air control valve with the evaporimeter of indoor apparatus of air conditioner B, 3rd outlet to export with the opposite side of the second four-way change-over valve through coolant connecting tube and is connected, the air inlet pipe of the 3rd four-way change-over valve is connected with the blast pipe of compressor of air conditioner with refrigerant pipe with the driver's valve air inlet pipe of the second four-way change-over valve, the opposite side outlet of the 3rd four-way change-over valve and its muffler converge and are connected with the muffler of compressor of air conditioner afterwards.
Three-in-one air conditioner of the present invention and hot-water supply device, be further characterized in that,
On the pipeline circulating water outlet pipeline of described hot water heat exchanger water inlet and boiler being connected to check-valves, circulating water outlet, also the water pipe of check-valves and water compensating valve is equipped with on an external road.
On the refrigerant pipe of described heat pump air conditioner off-premises station A compressor of air conditioner gas returning port, on the refrigerant pipe of the evaporimeter gas returning port of indoor apparatus of air conditioner B, in the boiler of hot water storage supply system C, be provided with the temperature sensor be connected with intelligence control system controller.
The three-in-one air conditioner of the present invention and hot-water supply device, be made up of heat pump air conditioner off-premises station A, indoor apparatus of air conditioner B, hot water storage supply system C, it is on the refrigeration and air-conditioning technical basis of maturation, carry out the optimal design of structure and technological process, by reasonably setting up multiple four-way change-over valve and check valve in heat pump air conditioner off-premises station, the various functions such as a table apparatus realizes independent cooling, prepared by independent heat supply, separate hot water's preparation, the preparation of cooling+hot water, heat supply+hot water, reaches the effect of a tractor serves several purposes.Can according to seasonal variations, changes in demand, be convenient to use its refrigeration cool-down, heat heating, and utilize freeze, heat time condensation heat exchange produce hot water, work or life is provided to use, while greatly having saved the energy that other hot water heating mode uses, also possess following characteristics:
1, be greater than the high Humid Area of 0 DEG C in minimum environment temperature, run heat supply+hot water preparation mode, both obtained the hot water of technique or life use, can play again for the warm effect reducing room relative humidity;
When 2, needing quick cooling in room or heat fast, run independent cooling or independent heat supply mode, reach the requirement of quick cooling or heating fast;
3, replacing season, running the hot water of separate hot water's preparation mode preparation life or technique use, run as air friction drag;
4, the present invention carries out the Based Intelligent Control of device by intelligent controller, not only simple to operate, safe and reliable, and can also effective economize energy.
Accompanying drawing explanation
Fig. 1 is the three-in-one air conditioner of the present invention and hot-water supply device structure principle chart;
Fig. 2 is the three-in-one air conditioner of the present invention and hot-water supply device structural representation;
Fig. 3,4,5 is heat pump air conditioner off-premises station A structural representations of the present invention.
In figure, 1. casing, 2. compressor of air conditioner, 3. hot water heat exchanger, 4. air-cooled condenser, 5. the first four-way change-over valve, 6. the second four-way change-over valve, 7. the 3rd four-way change-over valve, 8. check valve, 8a. check valve, 9. the 4th four-way change-over valve, 10. controller, 11. temperature sensors, 12. check valves, 12a. check valve, 13. check valve groups, 14. restricting elements, 15. first devices for drying and filtering, 16. air control valves, 16a. air control valve, 17. second devices for drying and filtering, 18. restricting elements, 19. evaporimeters, 20. boilers, 21. check-valves, 22. water compensating valves, 23. feed water valves, 24. control valves, 25. spray heads, 26. water circulating pumps, 27. blowoff valves.
A. heat pump air conditioner off-premises station, B. indoor apparatus of air conditioner, C. hot water storage supply system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of three-in-one air conditioner and hot-water supply device, as shown in Figure 1 and Figure 2, comprise the hot water storage supply system C that the heat pump air conditioner off-premises station A that connects with refrigerant pipe is connected with pipeline with indoor apparatus of air conditioner B, heat pump air conditioner off-premises station A, and intelligence control system composition, it is characterized in that, described intelligence control system is made up of intelligent controller and multiple temperature sensor be connected on coolant connecting tube road;
The evaporimeter 19 that the hot water heat exchanger 3 installed in described heat pump air conditioner off-premises station A casing 1 connects air control valve 16 on the boiler 20 of hot water storage supply system C, air-conditioner outdoor unit A, 16a connects indoor apparatus of air conditioner B, the refrigerant pipe of compressor of air conditioner 2 has been installed first, second, third four-way change-over valve 5,6,7 respectively;
The exhaust outlet of described compressor of air conditioner 2 is connected with the first four-way change-over valve 5 import with refrigerant pipe, the outlet of the first four-way change-over valve 5 side is connected with the refrigerant import of hot water heat exchanger 3 with refrigerant pipe, the opposite side outlet of the first four-way change-over valve 5 is connected with refrigerant pipe with check valve 8, the refrigerant exit of hot water heat exchanger 3 is connected with another check valve 8a import, two check valves 8, after the outlet of 8a converges, be connected with the import of coolant connecting tube with the 4th four-way change-over valve 9, first four-way change-over valve 5 is connected with the muffler of coolant connecting tube with compressor of air conditioner 2 with the gas returning port of the 4th four-way change-over valve 9, one side outlet of the 4th four-way change-over valve 9 is connected with the import of refrigerant pipe with air-cooled condenser 4, and on the inlet connecting branch of air-cooled condenser set temperature sensor 11, the opposite side outlet of the 4th four-way change-over valve 9 is connected with the import of refrigerant pipe with the second four-way change-over valve 6, the outlet refrigerant pipe of air-cooled condenser 4 divides three tunnels, one tunnel is connected with check valve group 13 import, one tunnel is connected with a side outlet of the 3rd four-way change-over valve 7 through check valve 12a, one tunnel is connected with restricting element 14 through another check valve 12, restricting element 14 to export with the first device for drying and filtering 15 with coolant connecting tube and is connected, the first device for drying and filtering 15 import side outlet of coolant connecting tube with the second four-way change-over valve 6 is connected, the gas returning port of the second four-way change-over valve 6 is connected with the muffler of refrigerant pipe with compressor of air conditioner 2, an outlet of check valve group 13 with coolant connecting tube machine through the second device for drying and filtering 17, restricting element 18, air control valve 16a is connected with the import of the evaporimeter 19 of indoor apparatus of air conditioner B, an outlet refrigerant pipe is connected through the outlet of air control valve 16 with the evaporimeter 19 of indoor apparatus of air conditioner B, 3rd outlet to export with the opposite side of the second four-way change-over valve 6 through coolant connecting tube and is connected, the air inlet pipe of the 3rd four-way change-over valve 7 is connected with the blast pipe of refrigerant pipe with compressor of air conditioner 2 with the driver's valve air inlet pipe of the second four-way change-over valve 6, the opposite side outlet of the 3rd four-way change-over valve 7 and its muffler converge and are connected with the muffler of compressor of air conditioner 2 afterwards.
The three-in-one air conditioner of the present invention and hot-water supply device, on the pipeline circulating water outlet pipeline of described hot water heat exchanger 3 water inlet and boiler 20 being connected to check-valves 21, circulating water outlet, also the water pipe of check-valves 21 and water compensating valve 22 is equipped with on an external road.
On the refrigerant pipe of described heat pump air conditioner off-premises station A compressor of air conditioner 2 gas returning port, on the refrigerant pipe of evaporimeter 19 gas returning port of indoor apparatus of air conditioner B, in the boiler 20 of hot water storage supply system C, be provided with the temperature sensor 11 be connected with intelligence control system controller 10.
The hot water feeding pipe road of the connection of the hot water outlet of boiler 20 of the present invention is connected with spray head 25 with control valve 24 through feed water valve 23, hot water feeding pipe road end is connected with the circulation interface of check-valves 21 with boiler 20 through water circulating pump 26, and the discharge outlet bottom boiler 20 is connected to blowoff valve 27.
The three-in-one air conditioner of the present invention and hot-water supply device, run control principle as follows:
A, when running under cooling+hot-water mode, compressor of air conditioner 2 and the indoor apparatus of air conditioner B of air-conditioner outdoor unit A are energized and operate, after compressor of air conditioner 2 running refrigerating, start cooling and prepare hot water, if the temperature that boiler 20 experienced by the temperature sensor 11 of boiler 20 reaches design temperature, intelligence control system controller 10 sends instruction conducting to the first four-way change-over valve 5, and system is automatically converted to independent cooling mode and runs; When running under cooling+hot-water mode, the effect of check valve 8: a. stops high pressure coolant backflow to return the pressure reduction sealing property that the first four-way change-over valve 5, b. ensures the first four-way change-over valve 5; The effect of check valve 12,12a: a. stops high pressure coolant backflow to return the pressure reduction sealing property of the three or four four-way change-over valve 7,9, b. guarantee the three or four four-way change-over valve 7,9;
B, when running under heat supply+hot-water mode, 4th four-way change-over valve 9 is energized, after compressor of air conditioner 2 runs, start to heat and prepare hot water, if the temperature that boiler 20 experienced by the temperature sensor 11 of boiler 20 reaches design temperature, intelligence control system controller 10 sends instruction conducting to the first four-way change-over valve 5, and system is automatically converted to independent heat supply mode and runs;
If when the suction temperature that on the refrigerant pipe of compressor of air conditioner 2 gas returning port, air compressor 2 experienced by temperature sensor 11 is less than or equal to 0 DEG C, 3rd four-way change-over valve 7 is energized, hot gas is in a small amount utilized to defrost, when the suction temperature that air compressor 2 experienced by temperature sensor 11 is more than or equal to 10 DEG C, 3rd four-way change-over valve 7 power-off, the temperature responded to when the evaporimeter 19 discharge-end temperature sensor 11 of indoor apparatus of air conditioner B to be more than or equal on design temperature in limited time, the fan energising of air-cooled condenser 4 runs, prescribe a time limit under the temperature of temperature sensor 11 induction is less than or equal to design temperature, the fan power-off of air-cooled condenser 10 is stopped transport, when the temperature that the evaporimeter 19 discharge-end temperature sensor 11 of indoor apparatus of air conditioner B is responded to is more than or equal to design temperature, the fan energising running of room conditioning indoor set B,
C, when running under separate hot water's pattern, second four-way change-over valve 6 and the 4th four-way change-over valve 9 are energized, the energising of air-cooled condenser 4 fan runs, after air compressor 2 is energized and runs, if when the suction temperature that on the refrigerant pipe of air compressor 2 gas returning port, air compressor 2 experienced by temperature sensor 11 is less than or equal to 0 DEG C, 3rd four-way change-over valve 7 is energized, hot gas is in a small amount utilized to defrost, when the suction temperature that air compressor 2 experienced by temperature sensor 11 is more than or equal to 10 DEG C, the 3rd four-way change-over valve 7 power-off; When running under separate hot water's pattern, the refrigerant in hot water heat exchanger 3 drawn back by the effect of check valve 8a: a. prevention high pressure coolant backflow backheat water-to-water heat exchanger 3, b.; The effect of check valve 12,12a: a. stops high pressure coolant backflow to return the pressure reduction sealing property of the 3rd four-way change-over valve 7, b. guarantee the 3rd four-way change-over valve 7;
D, when running under independent cooling mode, the fan of room conditioning indoor set B evaporimeter 19, the fan of air-cooled condenser are all energized operation, after compressor of air conditioner 2 runs, when the temperature that the temperature sensor 11 of indoor apparatus of air conditioner B evaporimeter 19 port of export is responded to is less than or equal to design temperature, room conditioning indoor set B evaporimeter 19 fan power-off stall, air compressor 2 power-off is stopped transport, when the temperature that temperature sensor 11 is responded to is more than or equal to design temperature, room conditioning indoor set B fan and air compressor 2 again Power resumption run; When running under independent cooling mode, the refrigerant in hot water heat exchanger 3 drawn back by the effect of check valve 8a: a. prevention high pressure coolant backflow backheat water-to-water heat exchanger 3, b.; The effect of check valve 12,12a: a. stops high pressure coolant backflow to return the pressure reduction sealing property of the 3rd, the 4th four-way change-over valve 7,9, b. guarantee the 3rd, the 4th four-way change-over valve 7,9;
E, when running under independent heat supply mode, first and the 4th four-way change-over valve 5,9 be energized, the energising of air-cooled condenser 4 fan runs, after compressor of air conditioner 2 is energized and runs, when the temperature that the temperature sensor 11 of indoor apparatus of air conditioner B evaporimeter 19 port of export is responded to is more than or equal to design temperature, compressor of air conditioner 2 is stopped transport, and only the energising of room conditioning indoor set B evaporimeter 19 fan runs, when the temperature that temperature sensor 11 is responded to is less than or equal to design temperature, compressor of air conditioner 2 Power resumption runs;
F, before user brings into use hot water, water circulating pump 26 starts energising running, system cold water is drawn back boiler and circulates, and when the temperature that temperature sensor 11 on hot water feeding pipe road is responded to is more than or equal to design temperature, water circulating pump 26 power-off is stopped transport.
After the three-in-one air conditioner of the present invention and hot-water supply device run, can during by freezing, heating, the hot water that condensation heat exchange produces is transported to by the hot water outlet of hot water heat exchanger 3 in the boiler 20 of the hot water storage supply system C be connected with it, during use, start the water circulating pump 26 of hot water feeding pipe road end, open the feed water valve 23 on the hot water feeding pipe road of boiler 20 hot water outlet and control valve 24, just can release hot water by spray head 25 and bathing is provided.When the water consumption of boiler 20 is many, the present invention carries out moisturizing by the water pipe that check-valves 21 and water compensating valve 22 are housed external on circulating water outlet pipeline.
The three-in-one air conditioner of the present invention and hot-water supply device, after the use quite a long time, can remove by the blowoff valve 27 opening the discharge outlet bottom boiler 20 deposit emitted bottom boiler 20.
The three-in-one air conditioner of the present invention and hot-water supply device, be made up of heat pump air conditioner off-premises station A, indoor apparatus of air conditioner B, hot water storage supply system C, it is on the refrigeration and air-conditioning technical basis of maturation, carry out the optimal design of structure and technological process, by reasonably setting up multiple four-way change-over valve and check valve in heat pump air conditioner off-premises station A, the various functions such as a table apparatus realizes independent cooling, prepared by independent heat supply, separate hot water's preparation, the preparation of cooling+hot water, heat supply+hot water, reaches the effect of a tractor serves several purposes.According to seasonal variations, changes in demand, its refrigeration cool-down can be convenient to use, heat heating, and utilize freeze, heat time condensation heat exchange produce hot water, provide work or life use, saved the energy greatly.
Above-mentioned embodiment is an example of the present invention, is not used to restriction working of an invention and interest field, and all equivalences made according to the content described in the present patent application scope of patent protection change and modify, and all should be included in the present patent application the scope of the claims.
Claims (3)
1. a three-in-one air conditioner and hot-water supply device, comprise the hot water storage supply system C that the heat pump air conditioner off-premises station A that connects with refrigerant pipe is connected with pipeline with indoor apparatus of air conditioner B, heat pump air conditioner off-premises station A, and intelligence control system composition, it is characterized in that, described intelligence control system is made up of intelligent controller and multiple temperature sensor be connected on coolant connecting tube road;
The hot water heat exchanger (3) installed in described heat pump air conditioner off-premises station A casing (1) connects the evaporimeter (19) that air control valve on the boiler (20) of hot water storage supply system C, air-conditioner outdoor unit A (16,16a) connects indoor apparatus of air conditioner B, and the refrigerant pipe of compressor of air conditioner (2) has been installed first, second, third four-way change-over valve (5,6,7) respectively;
Described compressor of air conditioner (2) gas outlet refrigerant pipe is connected with the first four-way change-over valve (5) import, the outlet of the first four-way change-over valve (5) side is connected with the refrigerant import of refrigerant pipe with hot water heat exchanger (3), the opposite side outlet of the first four-way change-over valve (5) is connected with the import of check valve (8), the refrigerant exit of hot water heat exchanger (3) is connected with the import of another check valve (8a), two check valves (8, after outlet 8a) converges, be connected with the import of coolant connecting tube with the 4th four-way change-over valve (9), first four-way change-over valve (5) is connected with the muffler of coolant connecting tube with compressor of air conditioner (2) with the gas returning port of the 4th four-way change-over valve (9), one side outlet of the 4th four-way change-over valve (9) is connected with the import of refrigerant pipe with air-cooled condenser (4), and on the inlet connecting branch of air-cooled condenser (4) set temperature sensor (11), the opposite side outlet of the 4th four-way change-over valve (9) is connected with the import of refrigerant pipe with the second four-way change-over valve (6), the outlet refrigerant pipe of air-cooled condenser (4) divides three tunnels, one tunnel is connected with check valve group (13), one tunnel is connected through the side outlet of check valve (12a) with the 3rd four-way change-over valve (7), one tunnel is connected with restricting element (14) through another check valve (12), restricting element (14) to export with the first device for drying and filtering (15) with coolant connecting tube and is connected, first device for drying and filtering (15) the import side outlet of coolant connecting tube with the second four-way change-over valve (6) is connected, the gas returning port of the second four-way change-over valve (6) is connected with the muffler of refrigerant pipe with compressor of air conditioner (2), an outlet of check valve group (13) with coolant connecting tube machine through the second device for drying and filtering (17), restricting element (18), air control valve (16a) is connected with the import of the evaporimeter (19) of indoor apparatus of air conditioner B, another outlet refrigerant pipe is connected through the outlet of air control valve (16) with the evaporimeter (19) of indoor apparatus of air conditioner B, 3rd outlet to export with the opposite side of the second four-way change-over valve (6) through coolant connecting tube and is connected, the air inlet pipe of the 3rd four-way change-over valve (7) is connected with the second four-way change-over valve (6) the driver's valve air inlet pipe blast pipe of refrigerant pipe with compressor of air conditioner (2), the opposite side outlet of the 3rd four-way change-over valve (7) and its muffler converge and are connected with the muffler of compressor of air conditioner (2) afterwards.
2. three-in-one air conditioner according to claim 1 and hot-water supply device, it is characterized in that, on the pipeline circulating water outlet pipeline of described hot water heat exchanger (3) water inlet and boiler (20) being connected to check-valves (21), circulating water outlet, also the water pipe of check-valves (21) and water compensating valve (22) is equipped with on an external road.
3. three-in-one air conditioner according to claim 1 and hot-water supply device, it is characterized in that, on the refrigerant pipe of described heat pump air conditioner off-premises station A compressor of air conditioner (2) gas returning port, on the refrigerant pipe of evaporimeter (19) gas returning port of indoor apparatus of air conditioner B, in the boiler (20) of hot water storage supply system C, be provided with the temperature sensor (11) be connected with intelligence control system controller (10).
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| CN201310340594.6A CN103453691B (en) | 2013-08-06 | 2013-08-06 | Three-in-one air conditioner and hot water supply device |
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| CN201310340594.6A CN103453691B (en) | 2013-08-06 | 2013-08-06 | Three-in-one air conditioner and hot water supply device |
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| CN105890225A (en) * | 2015-01-23 | 2016-08-24 | 郑斌 | Partial heat recovery type air conditioner cold hot water and life hot water joint supply system |
| CN105402925A (en) * | 2015-12-15 | 2016-03-16 | 江苏朗肯空气空调有限公司 | Low-loop-temperature liquid spraying type air source triple co-generation unit |
| CN107024022A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Cooling/heating water heating machine group of three heat exchangers with circuit in series formula |
| CN107024030A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Water- to-water heat exchanger heat storage water tank Integral type changes in temperature hot water three-way set |
| CN108036541B (en) * | 2017-12-28 | 2024-04-19 | 科希曼电器有限公司 | Separable heat pump easy to install |
| CN115986603B (en) * | 2023-03-22 | 2023-06-23 | 浙江省通信产业服务有限公司 | Photovoltaic power supply cabinet and pipeline control method thereof |
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| CN101625175A (en) * | 2009-08-04 | 2010-01-13 | 刘雄 | Multifunctional air-condition heat pump device of single-double level compression and capable of free switch |
| CN102003833A (en) * | 2010-10-27 | 2011-04-06 | 华北电力大学（保定） | Transcritical carbon dioxide heat pump type air conditioning water heater using condensation residual heat |
| CN102889708A (en) * | 2011-07-17 | 2013-01-23 | 陈则韶 | Two-source heat pump multi-function machine |
| CN203036787U (en) * | 2013-01-17 | 2013-07-03 | 上海交通大学 | Air source heat pump air conditioning system capable of supplying domestic hot water |
| CN203586604U (en) * | 2013-08-06 | 2014-05-07 | 尹炯钜 | Three-in-one air conditioning and hot water supplying device |
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| CN103453691A (en) | 2013-12-18 |
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