CN107228427B - One-to-many air source double-end system of wall-mounted double-metal radiation plate - Google Patents
One-to-many air source double-end system of wall-mounted double-metal radiation plate Download PDFInfo
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- CN107228427B CN107228427B CN201710512946.XA CN201710512946A CN107228427B CN 107228427 B CN107228427 B CN 107228427B CN 201710512946 A CN201710512946 A CN 201710512946A CN 107228427 B CN107228427 B CN 107228427B
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- bimetallic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/06—Casings, cover lids or ornamental panels, for radiators
- F24D19/062—Heat reflecting or insulating shields
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a one-to-multiple air source double-end system of a wall-mounted double-metal radiation plate, which comprises a controller connected with a heat pump outdoor unit, and a plurality of air conditioner indoor units respectively arranged in a plurality of rooms, wherein each room is internally provided with the wall-mounted double-metal radiation plate; the wall-mounted bimetallic radiation plate comprises a bimetallic radiation plate directly wrapped on a refrigerant heat supply pipeline, and the outer surface of the wall-mounted bimetallic radiation plate is coated with an infrared radiation ceramic coating, so that the heat transfer effect of a condenser pipeline is improved, and the effect of protecting the pipeline is also realized; all wall-mounted bimetal radiating plates and indoor unit air conditioners are respectively connected in parallel through adjusting control valves and splitters, and cooling in summer, heating in winter and defrosting can be realized through controlling the on-off states of the adjusting control valves and the splitters. The indoor temperature field is uniformly distributed when the invention is used for heating, so that the condensation temperature of the heat pump is further reduced, the COP of the air source heat pump is improved, and the energy conservation and emission reduction are realized.
Description
Technical Field
The invention relates to an air source heat pump air conditioning system, in particular to a one-to-many air source double-end system which takes a wall-mounted bimetal radiation plate as a heating device and a household air conditioner indoor unit as a cooling device.
Background
Heating by a coal-fired boiler in winter is considered as one of the 'accidents' of atmospheric pollution, and particularly, the quality of fossil energy which is scattered and burned by common people is uneven aiming at areas which do not perform concentrated heating. Aiming at addressing both the symptoms and root causes, improving the air quality and reducing the smoke emission, aiming at the northern non-central heating area, the country proposes a scheme of gradually replacing the original fossil energy dispersive combustion by adopting electric heating equipment so as to reduce the environmental pollution caused by the combustion of scattered coal. In the existing electric heating facilities, an electrically driven air source heat pump is adopted to extract heat from air, and low-grade heat energy is converted into high-grade heat energy for heating, so that the electric heating facilities are the most energy-saving and feasible heating facilities.
The traditional air source heat pump is used for refrigerating and heating, the air conditioner indoor unit is used as a heat exchange tail end, the refrigerating effect is good in summer when the air conditioner indoor unit is adopted, the indoor temperature field is high when the indoor unit is adopted for heating in winter, the temperature is low in the range of motion of a person, the distribution is uneven, and because the air supply temperature is high, strong blowing feeling is easy to generate, and the thermal comfort of the person is seriously affected. In order to solve the problem, the air source heat pump water heating system is improved in comfort, and indoor heating is carried out in winter in a heat radiation mode, but the system needs to carry out secondary heat exchange on the refrigerant and water, so that certain heat loss is caused, energy equipment is wasted, the energy equipment is complex, initial investment and operation cost are high, the system is not suitable for common residential houses, and the requirement of indoor refrigerating in summer cannot be met. In addition, in areas with lower outdoor temperature and higher relative humidity, the two systems can also cause the problem that the surface of the evaporator of the air source heat pump frosts to reduce the operation efficiency of the system.
Disclosure of Invention
In order to solve the problems, improve the operation efficiency of the system and ensure higher thermal comfort in both summer refrigeration and winter heating, the invention designs a one-to-many air source winter and summer double-end system aiming at a wall-mounted double-metal radiation plate heating device used in summer. The high-temperature refrigerant discharged by the air source heat pump compressor is directly led into the room through the condenser refrigerant pipeline in winter, and the pipeline is wrapped by adopting two metal radiating plates, so that the heat transfer effect of the condenser pipeline is improved, and the effect of protecting the pipeline is also achieved. The metal plate is directly hung on the wall, so that the reconstruction construction cost of the existing building is reduced, the advantage that the indoor temperature field is uniformly distributed in a traditional radiation heating mode can be reserved, the condensation temperature of the heat pump is further reduced, the COP of the air source heat pump is improved, and energy conservation and emission reduction are realized.
In order to solve the technical problems, the one-to-multiple air source double-end system of the wall-mounted double-metal radiation plate provided by the invention comprises a controller connected with a heat pump outdoor unit and a plurality of air conditioner indoor units respectively arranged in a plurality of rooms, wherein each room is internally provided with the wall-mounted double-metal radiation plate; the wall-mounted bimetallic radiation plate comprises a bimetallic radiation plate and a refrigerant heat supply pipeline, wherein the bimetallic radiation plate is directly wrapped on the refrigerant heat supply pipeline, the bimetallic radiation plate is directly and tightly attached to the area without the refrigerant heat supply pipeline, and an infrared radiation ceramic coating is coated on the outer surface of the bimetallic radiation plate; a first regulating control valve and a first branching device are arranged on a pipeline of a refrigerant a interface of the heat pump outdoor unit, and the multi-port end of the first branching device is respectively connected to a second branching device and a third branching device; the multi-port end of the second branching device is connected to the inlet of the refrigerant heat supply pipeline of each wall-mounted bimetallic radiation plate, the outlets of the refrigerant heat supply pipelines of the wall-mounted bimetallic radiation plates are connected to the multi-port end of the fourth branching device, so that the wall-mounted bimetallic radiation plates are connected in parallel, and the inlet and the outlet of the refrigerant heat supply pipeline of each wall-mounted bimetallic radiation plate are provided with regulating control valves; the multi-port ends of the third branching device are respectively connected to the refrigerant outlets of the indoor units of the air conditioners, and the refrigerant inlets of the indoor units of the air conditioners are all connected to the multi-port ends of the fifth branching device, so that the air conditioners of the indoor units are connected in parallel; the refrigerant inlet and outlet of each air conditioner indoor unit are provided with regulating control valves; the single port ends of the fourth and fifth splitters are connected to the multi-port end of the sixth splitter and then connected to the refrigerant b interface of the heat pump outdoor unit through a second regulating control valve.
Further, one or more of the first splitter, the second splitter, the third splitter, the fourth splitter and the fifth splitter are multi-split air conditioner splitters.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention relates to a double-end air conditioning system, which is switched to operate in winter and summer and takes account of the cooling requirement of an air conditioner in summer and the heating requirement in winter.
(2) The air source heat pump driven by electric energy is used for heating instead of the traditional fuel combustion, so that the energy utilization rate is improved, the environmental pollution is reduced, and the air source heat pump has no harmful, toxic, inflammable and explosive gas leakage danger and higher safety.
(3) The refrigerant of the system directly enters the refrigerant heat supply pipe in the bimetal radiation plate, so that no secondary heat exchange exists, the conveying energy consumption and the energy loss are reduced, the condensing temperature is reduced, and the system operation energy efficiency is improved.
(4) The bimetal radiation plate emits heat to the space in a mode of emitting infrared rays, and the heating temperature is low. The wall-mounted type heat dissipation device can be used for carrying out secondary heat dissipation indoors after walls and floors are heated.
(5) Because the diameter of the refrigerant pipeline of the radiation plate is smaller, and the radiation plate is wrapped by adopting the bimetal radiation plate with thin thickness, the whole wall-mounted bimetal radiation plate has small volume, and the indoor space can be greatly saved. In addition, compared with the traditional air conditioning heating mode and the radiator heating mode, the radiation heating indoor air flow speed is low, dust can not fly, and the system without moving parts runs quietly and noislessly.
(6) The wall-mounted bimetallic radiation plate has the advantages of simple structure, convenience in modular production of equipment, great reduction in construction difficulty and engineering quantity and reduction in transformation cost.
(7) According to the invention, the ceramic radiation paint is coated on the outer surface of the bimetallic radiation plate, so that the indoor radiation heat exchange efficiency can be improved.
Drawings
FIG. 1 is a schematic diagram of a one-to-many air source dual end system of a wall-mounted bimetallic radiant panel of the present invention;
FIG. 2-1 is a schematic cross-sectional view of a wall-mounted bimetallic radiant panel in accordance with the present invention;
fig. 2-2 is an enlarged view of a partial structure of the wall-mounted bimetal radiating plate of fig. 2-1.
The heat pump outdoor unit comprises a 1-heat pump outdoor unit, a 2-controller, a 31-second regulating control valve, a 32-first regulating control valve, regulating control valves 33, 34, 35, 36, 37, 38, 39 and 310-which are all regulating control valves, and bifurcators 41, 42, 43, 44, 45 and 46-which are respectively marked as a first bifurcator, a second bifurcator, a third bifurcator, a fourth bifurcator, a fifth bifurcator and a sixth bifurcator, 51 and 52-wall-mounted double-metal radiation plates, 61 and 62-indoor units, 7-radiation metal plate end covers, 8-double-metal radiation plates, 9-refrigerant heat supply pipelines, 10-wall-mounted fixed brackets and 11-infrared radiation ceramic coatings.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings and specific embodiments, which are only illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1, the one-to-multiple air source double-end system of the wall-mounted double-metal radiation plate provided by the invention comprises a controller 2 connected with a heat pump outdoor unit 1 and a plurality of air conditioner indoor units respectively arranged in a plurality of rooms, wherein each room is internally provided with the wall-mounted double-metal radiation plate. The controller 2 is used for comprehensively regulating and controlling the temperature and the running state of each part in the whole system, and can adopt an automatic control mode or a manual control mode.
The wall-mounted bimetal radiation plate heating pipeline layout schematic diagram in the invention is shown in fig. 1, and fig. 2-1 and 2-2 show the structure of the wall-mounted bimetal radiation plate, wherein the wall-mounted bimetal radiation plate comprises a radiation metal plate end cover 7, a bimetal radiation plate 8, a refrigerant heating pipeline 9, a wall-mounted fixing bracket 10 and the like. The bimetal radiating plates 8 are provided with semicircular corrugations, the refrigerant heat supply pipeline 9 can be directly wrapped in the bimetal radiating plates, the areas without the refrigerant heat supply pipeline 9 between the bimetal radiating plates 8 are directly and closely attached, and the outer surfaces of the bimetal radiating plates 8 are coated with an infrared radiation ceramic coating 11. Under the heating working condition, the heat released by the refrigerant heat supply pipeline 9 is transferred to the bimetal radiation plate 8, and the heat is supplied to the indoor air and the wall in a heat radiation mode through the infrared radiation ceramic coating 11 after the metal plate is uniformly heated; under defrosting conditions, heat of the wall and indoor air is transferred to the bimetal radiation plate 8, and then transferred to the refrigerant pipeline 9, and the heat is brought to the outdoor unit by the refrigerant to defrost.
As shown in fig. 1, the connection structure of the one-to-multiple air source double-end system of the wall-mounted bimetal radiation plate of the invention is that a first regulating control valve 32 and a first splitter 41 are arranged on a pipeline of a refrigerant a interface of the heat pump outdoor unit 1, and a plurality of ends of the first splitter 41 are respectively connected to a second splitter 42 and a third splitter 43.
The multi-port ends of the second bifurcator 42 are connected to the inlet of the refrigerant heat supply pipe 9 of each wall-mounted bimetal radiation plate, the outlets of the refrigerant heat supply pipes 9 of the wall-mounted bimetal radiation plates are all connected to the multi-port ends of the fourth bifurcator 44, so that the wall-mounted bimetal radiation plates are connected in parallel, the inlet and outlet of the refrigerant heat supply pipe 9 of each wall-mounted bimetal radiation plate are all provided with adjusting control valves, and the fourth bifurcator 44 is connected to the multi-port end of the sixth bifurcator 46.
The multiple ports of the third splitter 43 are respectively connected to the refrigerant outlets of the indoor units of each air conditioner, and the refrigerant inlets of the indoor units of each air conditioner are connected to the multiple ports of the fifth splitter 45, so that the indoor units of each air conditioner are connected in parallel; at the refrigerant inlet and outlet of each air conditioning indoor unit 61, there are provided regulating control valves, and the fifth splitter 45 is connected to the multi-port end of the sixth splitter 46.
The outlet of the refrigerant heat supply pipe 9 of each wall-mounted bimetal radiating plate is connected to the refrigerant a port of the heat pump outdoor unit 1 through the fourth and sixth splitters 44 and 46 and the second regulating and controlling valve 31. Similarly, the refrigerant outlet of each air conditioning indoor unit 61 is connected to the refrigerant a port of the heat pump outdoor unit 1 through the first branching unit 41, the third branching unit 43, and the first control valve 32.
According to the specific connection structure of one tractor, one or more of the first splitter 41, the second splitter 42, the third splitter 43, the fourth splitter 44, the fifth splitter 45 and the sixth splitter 46 are multi-split air-conditioner splitters.
The invention relates to a one-to-multiple air source double-end system of a wall-mounted bimetallic radiation plate, which is shown in figure 1, and the working process is as follows:
in the cooling condition in summer, the controller 2 acts to switch the air source heat pump outdoor unit 1 to a cooling state, the first regulating control valve 32 at the refrigerant a interface of the heat pump outdoor unit 1 and the second regulating control valve 31 at the refrigerant b interface of the outdoor unit 1 are opened, the regulating control valves 33, 34, 35 and 36 at the two ends of the two air conditioning indoor units 61 and 62 are closed, and the regulating control valves 37, 38, 39 and 310 at the two ends of the two wall-mounted bimetallic radiation plates 61 and 62 are closed; the low-temperature low-pressure liquid refrigerant enters the air conditioning indoor units 61 and 62 through the second regulating control valve 31, the sixth branching device 46, the fifth branching device 45 and the regulating control valves 33 and 35 respectively, exchanges heat with indoor air, absorbs heat and evaporates into gas, the refrigerant gas flows outdoors through the regulating control valves 34 and 36, the third branching device 43 and the first branching device 41, and enters the heat pump outdoor unit 1 to exchange heat with outdoor air through the first regulating control valve 32. When only the room 1 is cooled, the control valves 35 and 36 at both ends of the air conditioning indoor unit 62 in the room 2 are closed in the above case, and the other settings are unchanged. Accordingly, when only the room 2 is cooled, the control valves 33 and 34 on both ends of the air conditioning indoor unit 61 in the room 1 are closed in the above case, and the other settings are unchanged.
When the heat supply condition is adopted in winter, the controller 2 acts to switch the air source heat pump outdoor unit 1 to a heat supply state, the first regulating control valve 32 at the refrigerant a interface of the heat pump outdoor unit 1, the second regulating control valve 31 at the refrigerant b interface and the regulating control valves 37, 38, 39 and 310 at the two ends of the two wall-mounted bimetallic radiating plates 61 and 62 are opened, and the regulating control valves 33, 34, 35 and 36 at the two ends of the two air conditioning indoor units 61 and 62 are closed; as shown by arrows in fig. 1, the high-temperature and high-pressure gaseous refrigerant produced by the heat pump outdoor unit 1 passes through the first regulating control valve 32, the first branching device 41 and the second branching device 42, the regulating control valves 38 and 39 respectively enter the wall-mounted bimetallic radiation plates 51 and 52 to release heat, the released heat is condensed into liquid, the liquid refrigerant passes through the regulating control valves 37 and 310, the fourth branching device 44, the sixth branching device 46 and the second regulating control valve 31 to return to the heat pump outdoor unit 1 through the refrigerant liquid ports to exchange heat with the outdoor air. When only the room 1 is heated, in the above case, the control valves 39 and 310 at both ends of the wall-mounted bimetal radiating plate 52 on the inner wall of the room 2 are closed, and the other settings are unchanged. Accordingly, when only the room 2 is heated, in the above case, the control valves 37 and 38 at both ends of the wall-mounted bimetal radiating plate 51 in the room 1 are closed, and the other settings are unchanged.
During defrosting in winter, the controller 2 acts to switch the air source heat pump outdoor unit 1 to a refrigerating state, the first regulating control valve 32 at the refrigerant a interface and the second regulating control valve 31 at the refrigerant b interface of the heat pump outdoor unit 1 and the regulating control valves 37, 38, 39 and 310 at the two ends of the two wall-mounted bimetallic radiating plates 61 and 62 are opened, and the regulating control valves 33, 34, 35 and 36 at the two ends of the two air conditioning indoor units 61 and 62 are closed; the low-temperature low-pressure liquid refrigerant produced by the heat pump outdoor unit 1 passes through the second regulating control valve 31, the sixth branching device 46 and the fourth branching device 44, the regulating control valves 37 and 310 respectively enter the indoor wall-mounted double-metal radiating plates 51 and 52 to absorb heat, the heat is evaporated into gas after absorbing the heat, the gas passes through the regulating control valves 38 and 39, the second branching device 42, the first branching device 41 and the first regulating control valve 32 return to the heat pump outdoor unit 1 through the interfaces of the refrigerant a, and defrosting is carried out on the outdoor heat exchanger.
The invention can comprehensively regulate and control the temperature and the running state of each part in the whole system in an automatic or manual mode, and can intelligently and optimally control the system running aiming at the using functions of different rooms, thereby reducing the energy consumption of the system while meeting the indoor thermal comfort.
In winter, the air source heat pump is matched and connected with the bimetal radiation plate heating system, the refrigerant is used as a heating medium to directly heat the room, the condensation temperature is reduced, clean energy is utilized, no pollutant emission and secondary heat exchange are realized, and the energy loss and the transportation energy consumption of the system are reduced; for indoor radiator in winter, adopt bimetallic strip direct parcel condenser refrigerant pipeline's form, make the radiation plate to indoor radiation more even, because refrigerant pipeline diameter is less simultaneously, bimetallic strip has also played the effect of protection pipeline. The infrared radiation ceramic coating coated on the outer surface of the bimetallic plate can further improve indoor heat exchange efficiency. In addition, the metal plate has good heat conduction performance and uniform radiation, so that the indoor temperature can be quickly raised, the condensation temperature of the heat pump in winter can be reduced, and the energy efficiency ratio of the air source heat pump can be improved; for different functional rooms needing partition control and places with frequent start-stop heating requirements, the wall-mounted bimetallic radiation plate adopted in the invention has great advantages in heating, and can meet the load requirements of various rooms; the bimetal radiation plate has simple structure, is convenient for modularized production of equipment, can be selected and installed on site according to the types and the load demands of different rooms, and can be modified on the basis of the original traditional radiator, so that the construction difficulty and the engineering quantity are greatly reduced, and the modification cost is reduced.
Although the invention has been described above with reference to the accompanying drawings, the invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by those of ordinary skill in the art without departing from the spirit of the invention, which fall within the protection of the invention.
Claims (2)
1. The utility model provides a wall-hanging bimetal radiation plate's one drags many air supply double-end system, includes controller (2) that link to each other with heat pump off-premises station (1), arranges the indoor set of many air conditioners in a plurality of rooms, its characterized in that respectively:
wall-mounted bimetallic radiating plates are arranged in each room;
the wall-mounted bimetallic radiation plate comprises a bimetallic radiation plate (8) and a refrigerant heat supply pipeline (9), wherein the bimetallic radiation plate (8) is directly wrapped on the refrigerant heat supply pipeline (9), the bimetallic radiation plate (8) is directly and tightly attached to each other in a region without the refrigerant heat supply pipeline (9), and an infrared radiation ceramic coating is coated on the outer surface of the bimetallic radiation plate (8);
a first regulating control valve (32) and a first branching device (41) are arranged on a pipeline of a refrigerant a interface of the heat pump outdoor unit (1), and a multi-port end of the first branching device (41) is respectively connected to a second branching device (42) and a third branching device (43);
the multi-port end of the second splitter (42) is connected to the inlet of the refrigerant heat supply pipeline (9) of each wall-mounted bimetallic radiating plate, the outlets of the refrigerant heat supply pipelines (9) of the wall-mounted bimetallic radiating plates are connected to the multi-port end of the fourth splitter (44), so that each wall-mounted bimetallic radiating plate is connected in parallel, and regulating control valves are arranged at the inlet and the outlet of the refrigerant heat supply pipeline (9) of each wall-mounted bimetallic radiating plate;
the multi-port ends of the third branching device (43) are respectively connected to the refrigerant outlets of the indoor units of the air conditioners, and the refrigerant inlets of the indoor units of the air conditioners are all connected to the multi-port ends of the fifth branching device (45), so that the air conditioners of the indoor units are connected in parallel; the refrigerant inlet and outlet of each air conditioner indoor unit (61) are provided with regulating control valves;
the single port ends of the fourth branching device (44) and the fifth branching device (45) are connected to the multi-port end of the sixth branching device (46) and then connected to the refrigerant b interface of the heat pump outdoor unit (1) through the second regulating control valve (31).
2. A dual multi-split air source system of wall-mounted bimetallic radiant panel as in claim 1, wherein one or more of the first splitter (41), the second splitter (42), the third splitter (43), the fourth splitter (44), the fifth splitter (45) and the sixth splitter (46) are multi-split splitters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710512946.XA CN107228427B (en) | 2017-06-28 | 2017-06-28 | One-to-many air source double-end system of wall-mounted double-metal radiation plate |
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| CN201710512946.XA CN107228427B (en) | 2017-06-28 | 2017-06-28 | One-to-many air source double-end system of wall-mounted double-metal radiation plate |
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| CN107228427B true CN107228427B (en) | 2023-07-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7223508B2 (en) * | 2018-03-30 | 2023-02-16 | 株式会社熊谷組 | air conditioner |
| CN109724288A (en) * | 2018-12-27 | 2019-05-07 | 海信（山东）空调有限公司 | Disagreement case, multi-gang air conditioner and its operation method |
| CN114738852A (en) * | 2022-04-26 | 2022-07-12 | 浙江中广电器集团股份有限公司 | Liquid accumulation preventing multi-connected floor heating air conditioner and control method thereof |
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| JP2004211915A (en) * | 2002-12-26 | 2004-07-29 | Shikoku Electric Power Co Inc | Air conditioner for building |
| CN103900174A (en) * | 2014-02-24 | 2014-07-02 | 西安建筑科技大学 | Dual-temperature radiation heat pump type room air conditioner capable of processing fresh air |
| CN105910200A (en) * | 2016-03-30 | 2016-08-31 | 天津大学 | Double-end air source heat pump system with floor heating module made of phase change heat storage material |
| CN207065746U (en) * | 2017-06-28 | 2018-03-02 | 天津大学 | The one of a kind of wall-mounted bimetal radiation plate drags the double end systems of more air-sources |
-
2017
- 2017-06-28 CN CN201710512946.XA patent/CN107228427B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211915A (en) * | 2002-12-26 | 2004-07-29 | Shikoku Electric Power Co Inc | Air conditioner for building |
| CN103900174A (en) * | 2014-02-24 | 2014-07-02 | 西安建筑科技大学 | Dual-temperature radiation heat pump type room air conditioner capable of processing fresh air |
| CN105910200A (en) * | 2016-03-30 | 2016-08-31 | 天津大学 | Double-end air source heat pump system with floor heating module made of phase change heat storage material |
| CN207065746U (en) * | 2017-06-28 | 2018-03-02 | 天津大学 | The one of a kind of wall-mounted bimetal radiation plate drags the double end systems of more air-sources |
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