CN111397249A - Heat pump set - Google Patents
Heat pump set Download PDFInfo
- Publication number
- CN111397249A CN111397249A CN202010047830.5A CN202010047830A CN111397249A CN 111397249 A CN111397249 A CN 111397249A CN 202010047830 A CN202010047830 A CN 202010047830A CN 111397249 A CN111397249 A CN 111397249A
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- China
- Prior art keywords
- heat
- heat absorption
- rack
- heat pump
- pump unit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to heat exchange equipment, in particular to a heat pump unit. Heat pump set, including the rack, still including being located the heat exchanger of rack upper end and being located compressor, condenser and the switch board of rack lower extreme, be provided with the operating button who is used for the control cabinet on the rack, be provided with the expansion valve between heat exchanger and the condenser, the heat exchanger includes the casing, is located the air outlet of casing upside, is located the air intake on the casing, is located the heat absorption group board on the air intake, and heat absorption group board includes a plurality of fins, a plurality of heat absorption pipes that are parallel to each other and are the array and arrange, the heat absorption pipe is circuitous structure and passes the fin perpendicularly, the heat absorption pipe evenly arranges along the axial of fin, the material of fin is hydrophilic aluminium foil, and the rack surface inwards caves in has the. The invention has the advantages of effectively improving heat exchange efficiency, reducing energy consumption, avoiding formation of condensed water drops and the like.
Description
Technical Field
The invention relates to heat exchange equipment, in particular to a heat pump unit.
Background
The existing heat exchange equipment adopts a heating source to heat a circulating medium, and then the heated medium exchanges heat with fluid flowing through a medium pipe. This type of heat exchange equipment has low thermal efficiency and consumes a lot of energy. When the mode that air passes through the heat exchanger is adopted, heat on the air is absorbed by the fins, the heat of the fins is absorbed by the preparation in the heat absorption pipes, the temperature of the fins is reduced, and water vapor can be condensed on the surfaces of the fins to form water drops, so that the preparation is influenced to absorb the heat from the air.
Disclosure of Invention
The invention mainly aims at the problems and provides a heat pump unit which can effectively improve the heat exchange efficiency, reduce the energy consumption and avoid the formation of condensed water drops.
The purpose of the invention is mainly realized by the following scheme: the utility model provides a heat pump set, includes the rack, still includes the heat exchanger that is located the rack upper end and compressor, condenser and the switch board that is located the rack lower extreme, is provided with the operating button who is used for the control cabinet on the rack, is provided with the expansion valve between heat exchanger and the condenser, and the heat exchanger includes the casing, is located the air outlet of casing upside, is located the air intake on the casing, is located the heat absorption group board on the air intake, and heat absorption group board includes a plurality of fins, a plurality of heat absorption pipes that are parallel to each other and are the array arrangement, the heat absorption pipe is circuitous structure and passes the fin perpendicularly, the heat absorption pipe evenly arranges along the axial of fin, the material of fin is hydrophilic aluminium foil, and the rack surface inwards. Utilize compressor compression carbon dioxide to circulate, inhale the outside air and absorb the heat energy in the outside air to the heat exchanger position among the cycle process, hydrophilic aluminium foil avoids the formation of drop of water, and circuitous structure increases the length of heat absorption pipe to and carbon dioxide absorbs thermal time, and the design of a plurality of heat absorption pipes increases heat absorption efficiency, utilizes the condenser to realize the heat transfer of external fluid such as domestic water.
Preferably, the material of the heat absorbing pipe is pure copper. The heat absorption pipe is made of pure copper, and the pure copper has good heat conductivity and can help carbon dioxide to absorb heat of air well.
Preferably, the number of the heat absorption group plates is two, the heat absorption group plates are positioned on the left side and the right side of the shell, and the two heat absorption group plates are placed in an inverted splayed shape. The heat absorption group plates are symmetrically arranged, the air outlet is provided with the fan, when the fan runs, air inlet of the two heat absorption group plates is equal, the inverted splayed arrangement can increase the air inlet amount at the bottom end of the heat absorption group plate to a certain degree, and the heat absorption efficiency is high.
Preferably, one side of the shell is provided with a U-shaped main pipe, the main pipe is positioned between the heat absorption plates, the main pipe comprises a left vertical section, a right vertical section and a transverse section positioned between the vertical sections, the middle of the transverse section is provided with a connector, and one end of each heat absorption pipe of the heat absorption plates on the left side and the right side is connected to the corresponding vertical section. The structure is simple.
Preferably, both ends of the heat absorbing pipe are positioned at the same side of the shell. The structure is simple.
Preferably, the thickness of the fin is gradually reduced from top to bottom. When the fan runs, the air pressure in the shell can be reduced, and the upper side in the shell is closer to the fan, so that the air pressure in the shell is gradually increased from top to bottom, and the pressure difference on two sides of the heat absorption plate assembly is gradually reduced from top to bottom.
Preferably, the cabinet comprises a panel, a protective net is paved on one side surface of the panel close to the heat exchanger, the protective net comprises transverse bars and longitudinal bars which are arranged at intervals, a plurality of ventilation windows are arranged on the panel at intervals, and reinforcing ribs are arranged between every two adjacent ventilation windows. Set up the ventilation window at the interval on the panel, and the part between two arbitrary adjacent ventilation windows can regard as the strengthening rib, strengthens the structural strength of the frame of panel, is close to the inside one side of unit and lays the protection network on the panel, and horizontal strip muscle and the vertical strip muscle that sets up transversely and vertical interval on the protection network can block foreign matter such as leaf and get into. The strengthening rib not only can strengthen the structural strength of panel, can reduce the external force that the protection network received moreover, avoids the protection network to prevent that the protection network warp towards the inside excessive atress of unit. The whole panel structure adopts the ventilation window structure, and the part between two adjacent ventilation windows is as the strengthening rib, can reduce the external force that the protection network receives when reinforcing panel structure intensity, avoids the protection network to warp, promotes the protection efficiency of protection network to the foreign matter effectively.
Preferably, the edge of the protective net is welded and fixed with the edge of the panel, and the position where the middle part of the protective net is overlapped with the reinforcing rib is welded and fixed. The edge of the protective net is welded with the edge of the panel, meanwhile, the stress points of the protective net are dispersed on the surface of the whole protective net by adopting a welding and fixing mode at the position where the middle position of the protective net is overlapped with the reinforcing ribs, and the edge of the protective net is prevented from being stressed excessively. The probability of separation of the protective net and the panel is reduced, and the connection strength of the protective net and the panel is enhanced.
Preferably, the cavity is rectangular in cross-section. The concave cavity with the rectangular cross section is convenient for punch forming, and the formed concave cavity is not easy to deform.
Therefore, the heat pump unit of the invention has the following advantages: utilize compressor compression carbon dioxide to circulate, inhale the outside air and absorb the heat energy in the outside air to the heat exchanger position among the cycle process, hydrophilic aluminium foil avoids the formation of drop of water, and circuitous structure increases the length of heat absorption pipe to and carbon dioxide absorbs thermal time, and the design of a plurality of heat absorption pipes increases heat absorption efficiency, utilizes the condenser to realize the heat transfer of external fluid such as domestic water.
Drawings
FIG. 1 is a schematic structural view of a heat exchanger according to the present invention;
FIG. 2 is a side view of a heat exchanger according to the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a partial enlarged view of the operating button of the present invention;
fig. 5 is a partially enlarged view of a panel in the present invention.
Illustration of the drawings: 1-shell, 2-air outlet, 3-cabinet, 4-fin, 5-heat absorption tube, 6-main tube, 7-vertical section, 8-horizontal section, 9-interface, 10-control cabinet, 11-compressor, 12-condenser, 13-operation button, 14-concave cavity, 15-panel, 16-horizontal rib, 17-longitudinal rib, 18-ventilation window and 19-reinforcing rib.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: as shown in fig. 1, 2 and 3, a heat pump unit comprises a cabinet 3, a heat exchanger located at the upper end of the cabinet, a compressor 11 located at the lower end of the cabinet, a condenser 12 and a control cabinet 10, wherein an operation button 13 for controlling the control cabinet is arranged on the cabinet, an expansion valve is arranged between the heat exchanger and the condenser, the heat exchanger comprises a shell 1, an air outlet 2 located at the upper side of the shell, an air inlet located on the shell, and a heat absorption group plate located on the air inlet, the heat absorption group plate comprises a plurality of fins 4 and a plurality of heat absorption tubes 5 which are parallel to each other and arranged in an array, the heat absorption tubes are in a circuitous structure and vertically penetrate through the fins, the heat absorption tubes are uniformly arranged along the axial direction of the fins, the fins are made of hydrophilic aluminum foils, as shown in fig. 4, a concave cavity. The material of the heat absorption tube is pure copper. The number of heat absorption group board is two, heat absorption group board is located the casing left and right sides, is the splayed between two heat absorption group boards and puts. One side of the shell is provided with a U-shaped main pipe 6, the main pipe is positioned between the heat absorption plates, the main pipe comprises a left vertical section 7, a right vertical section 7 and a transverse section 8 positioned between the vertical sections, the middle of the transverse section is provided with a connector 9, and one end of each heat absorption pipe of the heat absorption plates on the left side and the right side is connected to the corresponding vertical section. Both ends of the heat absorption pipe are positioned at the same side of the shell. The thickness of the fin becomes thinner gradually from top to bottom. As shown in fig. 5, the cabinet includes a panel 15, a protective net is laid on one side of the panel close to the heat exchanger, the protective net includes transverse bars 16 and longitudinal bars 17 arranged at intervals, a plurality of ventilation windows 18 are arranged at intervals on the panel, and a reinforcing rib 19 is arranged between two adjacent ventilation windows. The edge of the protective net is welded and fixed with the edge of the panel, and the middle part of the protective net is welded and fixed with the position where the reinforcing ribs coincide.
The heat pump unit flows carbon dioxide in the heat absorption pipe, the carbon dioxide enters from the interface 9 and then flows out from the other end of the heat absorption pipe, the heat absorption pipe absorbs heat energy in the air, the fins 4 increase the heat absorption area, the air outlet 2 is provided with a fan, the fan runs, the air flows through the fins, the heat energy is transferred to the fins and then transferred to the carbon dioxide in the heat absorption pipe, the heat energy on the fins can be absorbed by the carbon dioxide, so the temperature on the fins is lower, the fins adopt hydrophilic aluminum foils, water drops can be well avoided being formed, meanwhile, the heat absorption pipe adopts pure copper, the pure copper has good heat conductivity, the carbon dioxide can be well helped to absorb the heat energy of the air, the air pressure in the shell can be reduced when the fan runs, the upper side inside the shell 1 is closer to the fan, the air pressure in the shell 1 gradually increases from top, in the invention, the thickness of the fins is gradually reduced from top to bottom, so that the distance between the fins is gradually increased from top to bottom, the air inlet speed of air at the upper end and the lower end of the heat absorption plate set is more uniform, and the heat absorption efficiency of the heat absorption plate set is greatly increased. The heat absorption group plates are symmetrically arranged, the air outlet is provided with the fan, when the fan runs, air inlet of the two heat absorption group plates is equal, the inverted splayed arrangement can increase the air inlet amount at the bottom end of the heat absorption group plate to a certain degree, and the heat absorption efficiency is high. Set up the ventilation window at the interval on the panel, and the part between two arbitrary adjacent ventilation windows can regard as the strengthening rib, strengthens the structural strength of the frame of panel, is close to the inside one side of unit and lays the protection network on the panel, and horizontal strip muscle and the vertical strip muscle that sets up transversely and vertical interval on the protection network can block foreign matter such as leaf and get into. The strengthening rib not only can strengthen the structural strength of panel, can reduce the external force that the protection network received moreover, avoids the protection network to prevent that the protection network warp towards the inside excessive atress of unit. The whole panel structure adopts the ventilation window structure, and the part between two adjacent ventilation windows is as the strengthening rib, can reduce the external force that the protection network receives when reinforcing panel structure intensity, avoids the protection network to warp, promotes the protection efficiency of protection network to the foreign matter effectively. The edge of the protective net is welded with the edge of the panel, meanwhile, the stress points of the protective net are dispersed on the surface of the whole protective net by adopting a welding and fixing mode at the position where the middle position of the protective net is overlapped with the reinforcing ribs, and the edge of the protective net is prevented from being stressed excessively. The probability of separation of the protective net and the panel is reduced, and the connection strength of the protective net and the panel is enhanced. The concave cavity with the rectangular cross section is convenient for punch forming, and the formed concave cavity is not easy to deform.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (9)
1. The utility model provides a heat pump set, includes the rack, and its characterized in that still includes the compressor, condenser and the switch board that are located the heat exchanger of rack upper end and are located the rack lower extreme, is provided with the operating button who is used for controlling the switch board on the rack, is provided with the expansion valve between heat exchanger and the condenser, and the heat exchanger includes the casing, is located the air outlet of casing upside, is located the air intake on the casing, is located the heat absorption group board on the air intake, and heat absorption group board includes a plurality of fins, a plurality of heat absorption pipes that are parallel to each other and are the array arrangement, the heat absorption pipe is circuitous structure and passes the fin perpendicularly, the heat absorption pipe evenly arranges along the axial of fin, the material of fin is hydrophilic aluminium foil, and the rack.
2. A heat pump unit according to claim 1 wherein the heat absorbing tubing is made of pure copper.
3. The heat pump unit of claim 1, wherein the number of the heat absorption plates is two, the heat absorption plates are located on the left side and the right side of the shell, and the two heat absorption plates are arranged in an inverted splayed shape.
4. A heat pump unit according to claim 3, wherein a U-shaped main tube is provided at one side of the housing, the main tube is located between the heat absorption plates, the main tube comprises a left vertical section, a right vertical section, and a horizontal section located between the vertical sections, an interface is provided in the middle of the horizontal section, and one end of the heat absorption tube of the heat absorption plates at the left and right sides is connected to the corresponding vertical section.
5. A heat pump unit according to claim 4 wherein both ends of said heat absorbing tubing are located on the same side of the housing.
6. A heat pump unit according to claim 1 or 2 or 3 or 4 or 5 wherein the fins are tapered from top to bottom.
7. The heat pump unit according to claim 1 or 2 or 3 or 4 or 5, wherein the cabinet comprises a panel, a protective net is laid on one side of the panel close to the heat exchanger, the protective net comprises transverse bars and longitudinal bars which are arranged at intervals, a plurality of ventilation windows are arranged at intervals on the panel, and reinforcing ribs are arranged between every two adjacent ventilation windows.
8. The heat pump unit of claim 7, wherein the edge of the protective net is welded and fixed to the edge of the panel, and the middle portion of the protective net is welded and fixed to the position where the reinforcing ribs coincide.
9. A heat pump unit according to claim 1 or 2 or 3 or 4 or 5 characterised in that the cavity is rectangular in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047830.5A CN111397249A (en) | 2020-01-16 | 2020-01-16 | Heat pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047830.5A CN111397249A (en) | 2020-01-16 | 2020-01-16 | Heat pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111397249A true CN111397249A (en) | 2020-07-10 |
Family
ID=71433957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010047830.5A Pending CN111397249A (en) | 2020-01-16 | 2020-01-16 | Heat pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111397249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964305A (en) * | 2020-07-24 | 2020-11-20 | 宁波美科二氧化碳热泵技术有限公司 | Carbon dioxide heat pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5361146A (en) * | 1976-11-12 | 1978-06-01 | Sanyo Electric Co Ltd | Air source intergrated air conditioner |
| CN2241318Y (en) * | 1995-01-18 | 1996-11-27 | 孙甫 | Hydrophilic aluminium foil for air conditioner heat exchanger |
| CN102721127A (en) * | 2012-05-28 | 2012-10-10 | 孙朝明 | Air source hot water air conditioner |
| CN204494921U (en) * | 2014-12-23 | 2015-07-22 | 珠海格力电器股份有限公司 | Heat exchange assembly and air conditioning system |
| CN110332734A (en) * | 2019-07-31 | 2019-10-15 | 徐生恒 | Round-the-clock defrosting evaporator and the air-conditioning system for using the evaporator |
-
2020
- 2020-01-16 CN CN202010047830.5A patent/CN111397249A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5361146A (en) * | 1976-11-12 | 1978-06-01 | Sanyo Electric Co Ltd | Air source intergrated air conditioner |
| CN2241318Y (en) * | 1995-01-18 | 1996-11-27 | 孙甫 | Hydrophilic aluminium foil for air conditioner heat exchanger |
| CN102721127A (en) * | 2012-05-28 | 2012-10-10 | 孙朝明 | Air source hot water air conditioner |
| CN204494921U (en) * | 2014-12-23 | 2015-07-22 | 珠海格力电器股份有限公司 | Heat exchange assembly and air conditioning system |
| CN110332734A (en) * | 2019-07-31 | 2019-10-15 | 徐生恒 | Round-the-clock defrosting evaporator and the air-conditioning system for using the evaporator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964305A (en) * | 2020-07-24 | 2020-11-20 | 宁波美科二氧化碳热泵技术有限公司 | Carbon dioxide heat pump |
| CN111964305B (en) * | 2020-07-24 | 2022-04-29 | 宁波美科二氧化碳热泵技术有限公司 | Carbon dioxide heat pump |
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