CN114857805A - Take cold and hot dual-purpose novel heat transfer terminal air source heat pump device of fan - Google Patents
Take cold and hot dual-purpose novel heat transfer terminal air source heat pump device of fan Download PDFInfo
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- CN114857805A CN114857805A CN202210502683.5A CN202210502683A CN114857805A CN 114857805 A CN114857805 A CN 114857805A CN 202210502683 A CN202210502683 A CN 202210502683A CN 114857805 A CN114857805 A CN 114857805A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000003507 refrigerant Substances 0.000 claims abstract description 12
- 239000011229 interlayer Substances 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 10
- 238000005057 refrigeration Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N EtOH Substances CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 229910010272 inorganic material Inorganic materials 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 238000010257 thawing Methods 0.000 claims description 2
- -1 ethanol inorganic compound Chemical class 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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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
- F25B39/02—Evaporators
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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
- F25B39/04—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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
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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
- F28D1/053—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 straight
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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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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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
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular 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
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a novel air source heat pump device with a fan cold and hot dual-purpose heat exchange tail end. The heat pump system and the novel heat pipe type heat exchanger system are filled with the same or different refrigerants. The heat pipe structure is a double-layer structure, and fins are inserted into the inner pipe, so that turbulence is enhanced during ventilation. The cold and hot dual-purpose novel heat exchange tail end with the fan can refrigerate and heat. And during refrigeration, the cross-flow fan is turned on to perform forced convection heat exchange. And when heating, closing the cross flow fan to perform heat radiation heat exchange with air. A cross flow fan is added in an upper header of the novel heat pipe heat exchanger, fins are inserted into an inner pipe of the double-layer heat pipe, and a working medium is filled in an interlayer between the outer pipe and the inner pipe, so that the utilization rate and the comfort level of heat pipe radiation heat exchange are improved.
Description
Technical Field
The invention relates to a novel air source heat pump device with a fan cold and hot dual-purpose heat exchange tail end, and belongs to the technical field of steam compression type refrigeration/heat pumps.
Background
The air source heat pump is used as a novel efficient energy-saving heating device and is widely applied to the fields of household and industrial and commercial heating. The heat pipe technology is developed rapidly from the last 40 th century, and is widely applied to the fields of industry, building energy conservation, electronic device heat dissipation and the like. Has the advantages of simple structure and high heat transfer efficiency. The heat pump and the heat pipe are combined to construct a novel household heating type, and the heat pump and the heat pipe have feasibility in the aspect of thermodynamic principles.
However, heat pumps are used in combination with heat pipes for domestic heating and very little for refrigeration. Compared with the condition that the refrigerating capacity of a household air conditioner is high and the blowing temperature is lower, the radiation refrigerating capacity of the heat pump driving heat pipe is low. The heat transfer efficiency of the heat pipe is obviously superior to that of other modes. The domestic heating mode of the tail end of the heat pump composite heat pipe is used, so that heat and cold can be supplied, and the advantages of the heat pump and the heat pipe can be fully utilized in the annual operation.
The invention improves the heat pipe type radiation device driven by the existing air source heat pump. A small-sized cross-flow fan is added in an upper header of the heat pipe type radiation heating device. The heat pipe of inside and outside two-layer is inside to be supplied air, and the intermediate layer of outside and inside fills and annotates the working medium, adds the fin in the heat pipe is inside, the cold volume transmission of increase air and heat pipe. When in heating operation, the heat is radiated to the indoor through the outer surface of the heat pipe, so that the comfort is good; during refrigeration, the fan sucks air from the inside of the heat pipe, and the air passes through the whole inside of the heat pipe, so that the comfort level and the efficiency of forced convection cooling capacity delivery are higher.
Disclosure of Invention
The invention provides a novel air source heat pump device with a fan cold and hot dual-purpose heat exchange tail end, which is used for realizing the simultaneous cooling and heating of the existing heat pump and heat pipe composite device.
Through adding a miniature cross-flow fan in the heat pipe formula radiant heating device upper header to a double-deck heat pipe has been designed, reasonable fin has been added in the heat pipe inside, makes when the fan starts, can air draft and supply air to the fan in the heat pipe bottom, and in addition the inside fin of heat pipe, the disturbance is stronger, thereby has more strengthened the heat utilization ratio of heat pipe, and the refrigerating capacity is bigger when making the refrigeration, and refrigeration effect is better.
The utility model provides a take terminal air source heat pump device of cold and hot dual-purpose novel heat transfer of fan which characterized in that, the device includes heat pump system and novel heat pipe exchanger. The heat pump system comprises a compressor (1), an outdoor heat exchanger (2), a throttling device (3), a four-way reversing valve (4), a valve 1# (5), a valve 2# (6), a valve 3# (7), a valve 4# (8), a bottom coil (9) and a top coil (10). The novel heat pipe type heat exchanger comprises a lower collecting pipe (11), an upper collecting pipe (12), a high-efficiency shaded pole motor (13), a cross-flow fan (14), a heat pipe set (15), a ribbed plate (16) and an electric heater (17). In the heat pump system, an inlet of a compressor (1) is connected with a port c of a four-way reversing valve (4), and an outlet of the compressor (1) is connected with a port a of the four-way reversing valve (4); the outdoor heat exchanger (2) is respectively connected with one end of the throttling device (3) and a port d of the four-way reversing valve (4); the port b of the four-way reversing valve (4) is respectively connected with a valve 1# (5) and a valve 3# (7) through a three-way pipe; the other end of the throttling device (3) is respectively connected with a valve 2# (6) and a valve 4# (8) through a three-way pipe.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange tail end is characterized in that a valve 1# (5) is connected with an outlet of a top coil pipe (10), and a valve 2# (6) is connected with an inlet of the top coil pipe (10); the valve 3# (7) is connected with the inlet and outlet of the bottom coil pipe (9), and the valve 4# (8) is connected with the inlet and outlet of the bottom coil pipe (9).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a bottom coil (9) of a heat pump system is welded with a lower collecting pipe (11) of a novel heat pipe type heat exchanger, a top coil (10) is welded with an upper collecting pipe (12) of the novel heat pipe type heat exchanger, and the bottom coil and the upper collecting pipe are mutually sealed and isolated.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that an air inlet (21) of a cross-flow fan (14) is located at the bottom end of a heat pipe set (15), and an air outlet (22) is located at the top end of the heat pipe set (15).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that the left side of a cross flow fan (14) and the right side of a high-efficiency shaded pole motor (13) are connected to the left end and the right end of an upper header (12) through connectors with u-shaped fixing pieces with screw holes.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a cross-flow fan (14) and a top coil (10) are both arranged in an upper header (12), and the top coil is installed and fixed in an air channel (23) of the cross-flow fan.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that the bottom end of a heat pipe set (15) is inserted into the bottom end of a lower collecting pipe (11) and is communicated with air, and the heat pipe set and a bottom coil pipe (9) are mutually staggered.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that heat pipes of a heat pipe set (15) are double-layered, an interlayer between an outer pipe and an inner pipe is a working medium, and an interlayer in the inner pipe is an air inlet of a cross-flow fan (14).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that reasonable fins are added to an interlayer in a heat pipe inner pipe of a heat pipe set (15).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a rib plate (16) and a heat pipe set (15) are parallel to each other.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that the novel heat pipe type heat exchanger is formed by vertically arranging heat pipe sets (15) with different numbers, the upper ends of the heat pipe sets are connected with an upper header (12), and the lower ends of the heat pipe sets are connected with a lower header (11).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a heat pipe set (15) in the novel heat pipe type heat exchanger is formed by a single pipe or other loops.
The air source heat pump device with the fan cold and hot dual-purpose novel heat exchange end is characterized in that an electric heater (17) is inserted into the lower header (11) and is positioned below the liquid level of filled refrigerant.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange tail end is characterized in that a heat pipe system can be filled with common organic refrigeration working media such as R-32, R-134a and R-410A, and can also be filled with inorganic compounds such as aqueous solution and ethanol or mixed refrigerant.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a heat pipe working medium (41) in the novel heat pipe type heat exchanger is filled with a refrigerant with certain quality, and the refrigerant is the same as or different from a heat pump working medium (64) in a heat pump.
Compared with the prior art, the invention has the greatest difference that a small-sized cross-flow fan is added, so that the refrigerating effect is better. And the heat pipe structure is double-layer, and fins are added in the inner pipe, and the designs are all started from increasing the utilization efficiency of the heat pipe. That is, these inventions are designed around how to improve heat pipe utilization.
The use of heat pumps in combination with heat pipes is mostly used for domestic heating and rarely used for cooling in the market. And the research can be used for refrigerating and heating. The heat transfer efficiency of the heat pipe has obvious advantages compared with other modes in the prior art, so the patent starts from increasing the utilization efficiency of the heat pipe.
In order to meet the national call of energy conservation and environmental protection, the use amount of an air conditioner is reduced, a household heating mode is used, heat supply and cold supply can be realized, the land area is reduced, and the use cost is further reduced. All in all, these points are to improve the utilization rate of the heat pipe and reduce the energy loss. The energy utilization efficiency is higher under the condition of the same electric energy consumption.
Especially, the fins are added in the heat pipe, and the designed heat pipe heat exchange type heat exchanger has remarkable technical advantages and the like; the reasonable fins are added in the heat pipe, so that heat transfer can be enhanced, disturbance is enhanced, the heat utilization rate of the heat pipe is increased, heat exchange is enhanced, heat is fully utilized to the greatest extent, heat loss in air is reduced, and energy conservation and emission reduction are responded.
As defined in the heat transfer science, in the thermal convection, a heat flow Q of the convection heat transfer is equal to hA Δ t, where h is a convection heat transfer coefficient, a is a convection heat transfer area, and Δ t is a temperature difference of the flowing heat. Fins are added inside the heat exchanger, so that the heat convection area A is increased, and the heat flow Q is increased. The cross-flow fan is added, so that the heat convection coefficient h is increased during refrigeration, forced heat convection is enhanced, and the heat flow Q is increased. And when heating, closing the cross flow fan to perform heat radiation heat exchange with air. The heat flow is improved, and the utilization rate of the heat pipe can be improved.
Drawings
The invention is further described below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of an air source heat pump device with a fan cold and hot dual-purpose novel heat exchange end provided by the invention.
Fig. 2 is a schematic structural diagram of a novel heat pipe type heat exchanger in the air source heat pump device with a fan cold and hot dual-purpose heat exchange end provided by the invention.
FIG. 3 is a schematic structural diagram of a cross-flow fan in an upper header of the novel heat exchange end air source heat pump device with a fan for cooling and heating purposes.
Fig. 4 is a schematic diagram of the distribution structure in the heat pipe of the air source heat pump device with the fan cold and hot dual-purpose heat exchange end provided by the invention.
Fig. 5 is a schematic structural diagram of the inner structure of a lower header of the novel air source heat pump device with a fan cold and hot dual-purpose heat exchange terminal provided by the invention.
Fig. 6 is a schematic diagram of an internal structure of a novel heat pipe type heat exchanger in the air source heat pump device with a fan cold and hot dual-purpose heat exchange end provided by the invention.
In the figure, 1, a compressor, 2, an outdoor heat exchanger, 3, a throttling device, 4, a four-way reversing valve, 5, valves 1 and 6, valves 2 and 7, valves 3 and 8, valves 4 and 9, a bottom coil, 10, a top coil, 11, a lower header, 12, an upper header, 13, a high-efficiency shaded pole motor, 14, a cross-flow fan, 15, a heat pipe set, 16, a rib plate, 17, an electric heater, 21, an air inlet, 22, an air outlet, 23, an air duct, 31, a fan air inlet, 32, a fan air outlet, 33, a bearing support, 41, a working medium, 42, a fin, 61, an inlet, 62, an outlet, 63, an evaporation tube bundle, 64 and a heat pump working medium.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
example 1
As shown in fig. 1, the air source heat pump device with a fan cold and hot dual-purpose heat exchange end is characterized by comprising a heat pump system and a novel heat pipe type heat exchanger. The heat pump system comprises a compressor (1), an outdoor heat exchanger (2), a throttling device (3), a four-way reversing valve (4), a valve 1# (5), a valve 2# (6), a valve 3# (7), a valve 4# (8), a bottom coil (9) and a top coil (10). The novel heat pipe type heat exchanger comprises a lower collecting pipe (11), an upper collecting pipe (12), a high-efficiency shaded pole motor (13), a cross-flow fan (14), a heat pipe set (15), a ribbed plate (16) and an electric heater (17). In the heat pump system, an inlet of a compressor (1) is connected with a port c of a four-way reversing valve (4), and an outlet of the compressor (1) is connected with a port a of the four-way reversing valve (4); the outdoor heat exchanger (2) is respectively connected with one end of the throttling device (3) and a port d of the four-way reversing valve (4); the port b of the four-way reversing valve (4) is respectively connected with a valve 1# (5) and a valve 3# (7) through a three-way pipe; the other end of the throttling device (3) is respectively connected with a valve 2# (6) and a valve 4# (8) through a three-way pipe.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange tail end is characterized in that a valve 1# (5) is connected with an outlet of a top coil pipe (10), and a valve 2# (6) is connected with an inlet of the top coil pipe (10); the valve 3# (7) is connected with the inlet and outlet of the bottom coil pipe (9), and the valve 4# (8) is connected with the inlet and outlet of the bottom coil pipe (9).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a bottom coil (9) of a heat pump system is welded with a lower collecting pipe (11) of a novel heat pipe type heat exchanger, a top coil (10) is welded with an upper collecting pipe (12) of the novel heat pipe type heat exchanger, and the bottom coil and the upper collecting pipe are mutually sealed and isolated.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that an air inlet (21) of a cross-flow fan (14) is located at the bottom end of a heat pipe set (15), and an air outlet (22) is located at the top end of the heat pipe set (15).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that the left side of a cross flow fan (14) and the right side of a high-efficiency shaded pole motor (13) are connected to the left end and the right end of an upper header (12) through connectors with u-shaped fixing pieces with screw holes.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a cross-flow fan (14) and a top coil (10) are both arranged in an upper header (12), and the top coil is installed and fixed in an air channel (23) of the cross-flow fan.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that the bottom end of a heat pipe set (15) is inserted into the bottom end of a lower collecting pipe (11) and is communicated with air, and the heat pipe set and a bottom coil pipe (9) are mutually staggered.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that heat pipes of a heat pipe set (15) are double-layered, an interlayer between an outer pipe and an inner pipe is a working medium, and an interlayer in the inner pipe is an air inlet of a cross-flow fan (14).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that reasonable fins are added to an interlayer in a heat pipe inner pipe of a heat pipe set (15).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a rib plate (16) and a heat pipe set (15) are parallel to each other.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that the novel heat pipe type heat exchanger is formed by vertically arranging heat pipe sets (15) with different numbers, the upper ends of the heat pipe sets are connected with an upper header (12), and the lower ends of the heat pipe sets are connected with a lower header (11).
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange end is characterized in that a heat pipe set (15) in the novel heat pipe type heat exchanger is formed by a single pipe or other loops.
The air source heat pump device with the fan cold and hot dual-purpose novel heat exchange end is characterized in that an electric heater (17) is inserted into the lower header (11) and is positioned below the liquid level of filled refrigerant.
The novel air source heat pump device with the fan cold and hot dual-purpose heat exchange tail end is characterized in that a heat pipe system can be filled with common organic refrigeration working media such as R-32, R-134a and R-410A, and can also be filled with inorganic compounds such as aqueous solution and ethanol or mixed refrigerant.
A take terminal air source heat pump device of cold and hot dual-purpose novel heat transfer of fan, its characterized in that, heat pipe working medium (41) in the novel heat pipe heat exchanger fills annotate the refrigerant of certain quality, is the same or different with heat pump working medium (64) refrigerant in the heat pump.
Example 2
In the embodiment shown in fig. 1, when refrigerating in summer, the valves 1# (5) and 2# (6) are opened, the valves 3# (7) and 4# (8) are closed, the top coil (10) in the upper header (12) is used as an evaporator of a heat pump system and exchanges heat with gaseous working media in the upper header, the gaseous working media in the heat pipe heat exchanger are condensed into liquid, and finally, the liquid returns to the lower header (11) under the action of gravity.
When heating in winter, the valve 1# (5) and the valve 2# (6) are closed, the valve 3# (7) and the valve 4# (8) are opened, the bottom coil (9) of the lower collecting pipe (11) is used as a condenser of the heat pump system to exchange heat with liquid working media in the lower collecting pipe, and the liquid working media in the heat pipe heat exchanger absorb heat and evaporate to realize condensation and heat release of the working media in the heat pump condenser.
When the outer wall frost layer of the novel heat pipe type heat exchanger reaches a certain thickness, the electric heater (17) in the lower collecting pipe (11) is opened to heat working media in the heat pipe type heat exchanger, and heat is transferred to the outer wall surface of the heat pipe type heat exchanger, so that quick defrosting is realized.
When the temperature is lower in winter and the heat supply of the heat pump is insufficient, the heat pump is started and the electric heater (17) is used for auxiliary heating.
Example 3
In the embodiment shown in fig. 2, the structure of the novel heat pipe heat exchanger is schematically shown, wherein a cross-flow fan (14) is added in the upper header (12), in order to turn on the fan simultaneously when the cooling mode is turned on, and the transmission efficiency of the heat pipe radiation is increased. The structural schematic diagram of the fan is shown in fig. 3, the air inlet of the fan is the bottom end of the heat pipe and passes through the bottom end of the lower collecting pipe, and the bottom end of the lower collecting pipe (12) is provided with a switchable ventilation opening. The fan passes through the inner part of the inner pipe of the double-layer heat pipe when air enters. The air outlet of the fan is the top end of the heat pipe and conducts heat to the indoor through the heat pipe in the air duct (23).
Example 4
In the embodiment shown in fig. 6 and 4, the two-dimensional diagram and the three-dimensional diagram of the internal structure of the novel heat pipe heat exchanger are shown. In the internal structure of the double-layer heat pipe, the fins are arranged in the innermost heat pipe, so that turbulence is increased for air of the air inlet fan, and disturbance is enhanced, so that more heat is radiated to indoor heat by the heat pipe; and working media are filled in the interlayer of the inner pipe and the outer pipe, so that the working media and the phoenix inlet are not interfered with each other.
Example 5
In the embodiment shown in fig. 5, the structure is the internal structure of the lower header of the novel heat pipe heat exchanger. The bottom coil (9) and the bottom of the heat pipe are staggered with each other, and the shape of the bottom coil can be set according to actual conditions and the bottom of the heat pipe is staggered with each other.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the present invention, and it will be apparent to those skilled in the art that various other changes and modifications can be made in the technical solution and technical concept of the present invention without departing from the scope of the present invention.
Claims (10)
1. An air source heat pump device with a fan cold and hot dual-purpose novel heat exchange tail end is characterized by comprising a heat pump system and a heat pipe type heat exchanger; the heat pump system comprises a compressor (1), an outdoor heat exchanger (2), a throttling device (3), a four-way reversing valve (4), a valve 1# (5), a valve 2# (6), a valve 3# (7), a valve 4# (8), a bottom coil (9) and a top coil (10); the heat pipe type heat exchanger comprises a lower collecting pipe (11), an upper collecting pipe (12), a high-efficiency shaded pole motor (13), a cross-flow fan (14), a heat pipe set (15), a ribbed plate (16) and an electric heater (17); in the heat pump system, an inlet of a compressor (1) is connected with a port c of a four-way reversing valve (4), and an outlet of the compressor (1) is connected with a port a of the four-way reversing valve (4); the outdoor heat exchanger (2) is respectively connected with one end of the throttling device (3) and a port d of the four-way reversing valve (4); the port b of the four-way reversing valve (4) is respectively connected with a valve 1# (5) and a valve 3# (7) through a three-way pipe; the other end of the throttling device (3) is respectively connected with a valve 2# (6) and a valve 4# (8) through a three-way pipe;
the valve 1# (5) is connected with an outlet of the top coil pipe (10), and the valve 2# (6) is connected with an inlet of the top coil pipe (10); the valve 3# (7) is connected with an inlet and an outlet of the bottom coil pipe (9), and the valve 4# (8) is connected with an inlet and an outlet of the bottom coil pipe (9);
the bottom coil (9) of the heat pump system is welded with the lower header (11) of the heat pipe type heat exchanger, and the top coil (10) is welded with the upper header (12) of the heat pipe type heat exchanger, so that the bottom coil and the upper header are sealed and isolated; the left side of the cross-flow fan (14) and the right side of the high-efficiency shaded pole motor (13) are connected to the left end and the right end of the upper header (12) by connectors with u-shaped fixing pieces with screw holes; the bottom end of the heat pipe set (15) is inserted into the bottom end of the lower header (11) and is communicated with the air, and the heat pipe set and the bottom coil (9) are mutually staggered;
the rib plate (16) and the heat pipe set (15) are parallel to each other;
an electric heater (17) is inserted into the lower header (11) below the level of the refrigerant being charged.
2. The air source heat pump device with the novel fan cold and hot dual-purpose heat exchange end is characterized in that an air inlet (21) of the cross-flow fan (14) is located at the bottom end of the heat pipe set (15), and an air outlet (22) of the cross-flow fan (14) is located at the top end of the heat pipe set (15).
3. The air source heat pump device with the novel fan cold and hot dual-purpose heat exchange end is characterized in that the cross-flow fan (14) and the top coil (10) are both arranged in the upper header (12), and the top coil is arranged and fixed in an air channel (23) of the cross-flow fan.
4. The air source heat pump device with the novel fan cold and hot dual-purpose heat exchange end is characterized in that the heat pipes of the heat pipe set (15) are double-layer, an interlayer between the outer pipe and the inner pipe is a working medium, and an interlayer in the inner pipe is an air inlet of the cross flow fan (14).
5. The air source heat pump device with the novel fan cold and hot dual-purpose heat exchange tail end as claimed in claim 1, characterized in that reasonable fins are added to an interlayer in the heat pipe inner pipe of the heat pipe set (15).
6. The air source heat pump device with the novel fan cold and hot dual-purpose heat exchange terminal is characterized in that the heat pipe type heat exchanger is composed of heat pipe sets (15) which are arranged vertically, the upper ends of the heat pipe sets are connected with the upper header (12), and the lower ends of the heat pipe sets are connected with the lower header (11).
7. The air source heat pump device with the novel fan cold and hot heat exchange end is characterized in that the heat pipe set (15) consists of a single pipe.
8. The air source heat pump device with the fan cold and hot dual-purpose novel heat exchange tail end as claimed in claim 1, wherein the heat pipe system is filled with R-32, R-134a and R-410A organic refrigeration working media, or with aqueous solution, ethanol inorganic compound or mixed refrigerant.
9. The air source heat pump device with the fan cold and hot dual-purpose novel heat exchange tail end as claimed in claim 1, wherein the heat pipe working medium (41) in the heat pipe type heat exchanger is filled with a certain mass of refrigerant, which is the same as or different from the heat pump working medium (64) in the heat pump.
10. The air source heat pump device with the fan cold and hot dual-purpose novel heat exchange tail end is characterized in that when refrigerating in summer, a valve 1# (5) and a valve 2# (6) are opened, a valve 3# (7) and a valve 4# (8) are closed, a top coil (10) in an upper collecting pipe (12) is used as an evaporator of a heat pump system and exchanges heat with gaseous working media in the upper collecting pipe, the gaseous working media in a heat pipe exchanger are condensed into liquid, and finally the liquid returns to a lower collecting pipe (11) under the action of gravity; when heating in winter, the valve 1# (5) and the valve 2# (6) are closed, the valve 3# (7) and the valve 4# (8) are opened, the bottom coil (9) of the lower collecting pipe (11) is used as a condenser of the heat pump system to exchange heat with liquid working media in the lower collecting pipe, and the liquid working media in the heat pipe heat exchanger absorb heat and evaporate to realize condensation and heat release of the working media in the heat pump condenser; when the frost layer on the outer wall of the novel heat pipe type heat exchanger reaches a certain thickness, the electric heater (17) in the lower collecting pipe (11) is started to heat working media in the heat pipe type heat exchanger, and heat is transferred to the outer wall surface of the heat pipe type heat exchanger, so that quick defrosting is realized;
when the temperature is lower in winter and the heat supply of the heat pump is insufficient, the heat pump is started and the electric heater (17) is used for auxiliary heating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502683.5A CN114857805A (en) | 2022-05-09 | 2022-05-09 | Take cold and hot dual-purpose novel heat transfer terminal air source heat pump device of fan |
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| CN202210502683.5A CN114857805A (en) | 2022-05-09 | 2022-05-09 | Take cold and hot dual-purpose novel heat transfer terminal air source heat pump device of fan |
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| CN114857805A true CN114857805A (en) | 2022-08-05 |
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| CN202210502683.5A Pending CN114857805A (en) | 2022-05-09 | 2022-05-09 | Take cold and hot dual-purpose novel heat transfer terminal air source heat pump device of fan |
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| CN113503658A (en) * | 2021-07-14 | 2021-10-15 | 深圳市永凯机电设备有限公司 | Air source heat pump with intelligent control system |
| CN217402894U (en) * | 2022-05-09 | 2022-09-09 | 北京工业大学 | Take cold and hot dual-purpose novel heat transfer terminal air source heat pump device of fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101064452A (en) * | 2006-04-24 | 2007-10-31 | 乐金电子(天津)电器有限公司 | Shaded-pole motor installation fixing structure |
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