CN216557627U - Reverse-flow type efficient energy-saving core body of heat exchanger of fresh air fan - Google Patents
Reverse-flow type efficient energy-saving core body of heat exchanger of fresh air fan Download PDFInfo
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- CN216557627U CN216557627U CN202122836590.XU CN202122836590U CN216557627U CN 216557627 U CN216557627 U CN 216557627U CN 202122836590 U CN202122836590 U CN 202122836590U CN 216557627 U CN216557627 U CN 216557627U
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- 239000010410 layer Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 6
- 239000011888 foil Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000003905 indoor air pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a reverse-flow high-efficiency energy-saving core body of a heat exchanger of a fresh air fan, particularly relates to ventilation and heat exchange of indoor and outdoor cold and hot air in a reverse-flow mode, and belongs to the technical field of heat exchange. The flow directions of outdoor fresh air and indoor exhaust air in the core body are the counter-flow directions; a plurality of layers of heat conducting fins are arranged in the core body; a plurality of layers of heat conducting fin supporting bodies are arranged in the core body; the core body is formed by alternately stacking a layer of heat-conducting fin supporting body and a layer of heat-conducting fin; outdoor fresh air and indoor exhaust air flow in the core body by a method of mutually alternate interlayers; one side of the core body is provided with an outdoor fresh air inlet and an indoor exhaust outlet; the other side of the core body is provided with an indoor exhaust inlet and an outdoor fresh air outlet; two upright post-shaped air ports of the heat conducting fin supporting body are arranged in a cross mode and are provided with a plurality of air flow guide plates and a plurality of heat conducting fin supporting points. A heat exchanger core of a reverse-flow high-efficiency energy-saving fresh air fan is an important component for recovering cold and heat energy of the fresh air fan.
Description
Technical Field
The utility model belongs to the technical field of heat exchange, and particularly relates to a heat exchanger core of a reverse-flow type efficient energy-saving fresh air fan.
Background
With the continuous development of science and technology, the variety of interior decoration materials is changed day by day, and the decoration effects of various styles come out endlessly, but the problem that the indoor air pollution is serious day by day is accompanied; people also put forward a agenda on the problem that the indoor air cannot be refreshed clearly while enjoying indoor comfortable life, and people urgently need to solve the problems that the indoor air is polluted and the indoor air cannot be refreshed clearly. Among the many methods, ventilation of the room is a preferred method: the problem of indoor air pollution is solved, and the problem that indoor air is not fresh is solved, so that the fresh air fan gradually enters the life of people.
When the fresh air machine is used for air conditioning and cooling in summer and heating in winter, the fresh air machine is used for ventilating the room, so that the quality of the indoor air is guaranteed to be improved, the influence on the indoor temperature and humidity is reduced to the greatest extent, the energy consumption in the processes of air conditioning and cooling in summer and heating in winter is reduced, and the purposes of energy conservation and emission reduction are achieved. In order to solve the problem, people improve and research the core body of the heat exchanger of the fresh air fan.
The energy-conserving mode of new fan on the existing market is: outdoor new trend and indoor exhaust are the mode of quadrature cross flow respectively and pass through new fan heat exchanger core, because there is temperature and humidity difference in the air current of conducting strip both sides, and two strands of cold and hot air flows take place heat conduction and lead wet phenomenon through the conducting strip, accomplish sensible heat and total heat exchange process.
As the existing fresh air machine in the market, the flow modes of outdoor fresh air and indoor exhaust air in the core body of the heat exchanger of the fresh air machine are orthogonal cross flow instead of counter flow, the sensible heat and total heat exchange efficiency of the core body of the heat exchanger of the fresh air machine is low.
In order to improve the heat exchange efficiency of the core body of the heat exchanger of the fresh air fan, the logarithmic mean temperature difference (mean value of integral of temperature difference of cold and hot fluid in the heat exchanger in the heat transfer process) is required to be improved. Because the logarithmic mean temperature difference is the largest in the counter-flow process, the exchange efficiency of sensible heat and total heat of outdoor fresh air and indoor exhaust air in the core body of the heat exchanger of the fresh air fan can be improved by adopting a counter-flow mode.
SUMMERY OF THE UTILITY MODEL
The utility model provides a reverse-flow high-efficiency energy-saving heat exchanger core of a fresh air fan, which is improved according to the defect of low heat exchange efficiency of the heat exchanger core of the fresh air fan.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the heat exchanger core of the counterflow type high-efficiency energy-saving fresh air fan is characterized in that the flow directions of outdoor fresh air and indoor exhaust air in the core are counterflow directions; a plurality of layers of heat conducting fins are arranged in the core body; when the heat conducting fins are made of metal materials such as copper foils or aluminum foils, the heat exchange core body is a sensible heat exchange core body; when the heat conducting sheet selects the wet conducting paper or the wet conducting film with the heat conducting and wet conducting functions, the heat exchange core is a total heat exchange core; a plurality of layers of heat conducting fin supporting bodies are arranged in the core body; the core body is formed by alternately stacking a layer of heat conducting fin supporting body and a layer of heat conducting fin; the outdoor fresh air and the indoor exhaust air flow in the core body by a mutual alternate interlayer method; an outdoor fresh air inlet and an indoor exhaust outlet are formed in one side of the core body; an indoor exhaust inlet and an outdoor fresh air outlet are arranged on the other side of the core body; the two upright post-shaped air ports of the heat conducting fin supporting body are arranged in a crossed mode, the shape of the air ports is not limited to be upright posts, and the air ports can be designed into other shapes such as circles or triangles; a plurality of air flow deflectors are arranged in the heat conducting fin supporting body; a plurality of heat conducting fin supporting points are arranged in the heat conducting fin supporting body; each heat conducting sheet supporting point is fixed by a supporting point positioning belt.
Preferably, the outdoor fresh air and the indoor exhaust air flow in the core in the countercurrent direction.
Preferably, the core is formed by alternately stacking a layer of thermally conductive sheet support and a layer of thermally conductive sheet.
Preferably, the outdoor fresh air and the indoor exhaust air flow in the core body by a method of alternate interlayers.
Preferably, the two upright column-shaped air ports of the heat conducting sheet support body are arranged in a crossed manner, and the shape of the air ports is not limited to that of upright columns and can also be designed into other shapes such as circles or triangles.
Preferably, a plurality of air flow deflectors are arranged in the heat conducting fin supporting body.
Preferably, a plurality of heat-conducting plate supporting points are arranged in the heat-conducting plate supporting body, and the heat-conducting plate supporting points are fixed by supporting point positioning belts.
Preferably, the heat conducting sheet is a sensible heat exchange core body made of metal materials such as copper foil or aluminum foil and the like, and the temperature of fresh air led to the indoor space can be adjusted; the heat conducting sheet is a total heat exchange core body made of a wet conducting paper or a wet conducting film with heat conducting and wet conducting functions, and can adjust the temperature and humidity of fresh air led to the room.
The utility model has the following beneficial effects:
the logarithmic mean temperature difference is improved through the countercurrent flowing direction of the outdoor fresh air and the indoor exhaust air in the core body of the heat exchanger of the fresh air fan.
The fresh air and the indoor exhaust air flow in a method of mutually alternating interlayers in a core body of a fresh air fan heat exchanger, temperature and humidity difference exists between the fresh air and the indoor exhaust air, and temperature and humidity conduction is carried out on two sides of the heat conducting fin to finish sensible heat and total heat exchange processes.
The sensible heat exchange core body or the total heat exchange core body can be assembled by selecting different heat conduction materials of the metal foil or the moisture conduction film, and the temperature and the humidity of indoor fresh air can be adjusted by selecting a parallel or serial connection method according to the indoor temperature and humidity requirements.
When outdoor fresh air and indoor exhaust air enter the core body from the upright column-shaped air port, the internal space is increased, and the heat conduction area is increased; similarly, the internal space is increased, the wind speed is reduced, and the temperature and humidity exchange time is prolonged.
Through the dislocation set of two vertical column wind gaps of conducting strip supporter, prevent inside outdoor new trend or indoor exhaust flow position to incline to one side.
When outdoor fresh air and indoor exhaust air enter the core body from the upright post-shaped air port, the flowing air quantity of the outdoor fresh air and the indoor exhaust air in the whole heat conducting fin is balanced through the plurality of air quantity guide plates, and the outdoor fresh air and the indoor exhaust air are prevented from flowing to the air outlet from the air inlet directly.
Two adjacent heat conducting fins are supported through the heat conducting fin supporting points, so that outdoor fresh air and indoor exhaust air flow in the core body smoothly, the internal air can generate a vortex phenomenon, and heat energy heat exchange is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a heat exchanger core of a counter-flow high-efficiency energy-saving fresh air fan provided by the utility model.
Fig. 2 is a schematic structural view of the thermally conductive sheet support in the present embodiment.
In the figure: 1. a core body; 2. a thermally conductive sheet support; 3. a heat conductive sheet; 4. an outdoor fresh air inlet; 5. an outdoor fresh air outlet; 6. an indoor exhaust inlet; 7. an indoor exhaust outlet; 8. a column-shaped tuyere; 9. an air volume flow guide plate; 10. a thermally conductive sheet support point; 11. the support point positions the belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be clearly and completely described below in conjunction with the technical solutions of the embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
Referring to fig. 1, the heat exchanger core of the counter-flow high-efficiency energy-saving fresh air fan, wherein the flow directions of outdoor fresh air and indoor exhaust air in the core 1 are counter-flow directions; a plurality of layers of heat conducting fins 3 are arranged in the core body 1; when the heat conducting fins 3 are made of metal materials such as copper foil or aluminum foil, the heat exchange core body is a sensible heat exchange core body; when the heat conducting sheet 3 selects the wet conducting paper or the wet conducting film with the heat conducting and wet conducting functions, the heat exchange core is a total heat exchange core; a plurality of layers of heat conducting fin supporting bodies 2 are arranged in the core body 1; the core body 1 is formed by alternately stacking a layer of heat conducting fin supporting body 2 and a layer of heat conducting fin 3; the outdoor fresh air and the indoor exhaust air flow in the core body 1 by a method of alternate interlayers; an outdoor fresh air inlet 4 and an indoor exhaust outlet 7 are arranged on one side of the core body 1; and an indoor exhaust inlet 6 and an outdoor fresh air outlet 5 are arranged on the other side of the core body 1.
Referring to fig. 2, the two vertical column-shaped air ports 8 of the heat conducting fin supporting body 2 are arranged in a crossing manner; a plurality of air volume flow deflectors 9 are arranged in the heat conducting fin supporting body 2; a plurality of heat conducting fin supporting points 10 are arranged in the heat conducting fin supporting body 2; each of the thermally conductive sheet support points 10 is positionally fixed by a support positioning belt 11.
In the embodiment of the utility model, the flow directions of outdoor fresh air and indoor exhaust air in the core body 1 are the counter-flow directions; outdoor fresh air enters the core body 1 from the outdoor fresh air inlet 4 in sequence and alternately and interlacedly, flows through the heat conducting fins 3, is discharged from the outdoor fresh air outlet 5 at the other side of the core body 1, and enters the room; indoor exhaust air also sequentially enters the core body 1 from the indoor exhaust air inlet 6 alternately and interlacedly, flows through the heat conducting fins 3, is exhausted from the indoor exhaust air outlet 7 at the other side of the core body 1, and is exhausted to the outside; outdoor fresh air and indoor exhaust air conduct temperature and humidity mutually through the two sides of the heat conducting fins 3, and the sensible heat and total heat exchange process is completed. The fresh air machine can ventilate and ventilate indoors when air conditioning is performed in summer and indoor heating is performed in winter, so that the original indoor temperature and humidity can be kept unchanged.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The heat exchanger core of the reverse-flow high-efficiency energy-saving fresh air fan comprises a core (1); a heat-conductive sheet support body (2); a heat conductive sheet (3); an outdoor fresh air inlet (4); an outdoor fresh air outlet (5); an indoor exhaust inlet (6); an indoor exhaust outlet (7); a column-shaped tuyere (8); an air volume deflector (9); a thermally conductive sheet support point (10); a supporting point positioning belt (11); the method is characterized in that: the flow directions of outdoor fresh air and indoor exhaust air in the core body (1) are the counter-flow directions; a plurality of layers of heat conducting fins (3) are arranged in the core body (1); when the heat conducting fins (3) are made of metal materials such as copper foils or aluminum foils, the heat exchange core body is a sensible heat exchange core body; when the heat conducting sheet (3) selects the wet conducting paper or the wet conducting film with the heat conducting and wet conducting functions, the heat exchange core body is a total heat exchange core body; a plurality of layers of heat conducting fin supporting bodies (2) are arranged in the core body (1); the core body (1) is formed by alternately stacking a layer of heat conducting fin support body (2) and a layer of heat conducting fin (3); the outdoor fresh air and the indoor exhaust air flow in the core body (1) by a method of alternate interlayers; an outdoor fresh air inlet (4) and an indoor exhaust outlet (7) are arranged on one side of the core body (1); an indoor exhaust inlet (6) and an outdoor fresh air outlet (5) are arranged on the other side of the core body (1); the two vertical column-shaped air ports (8) of the heat conducting fin supporting body (2) are arranged in a crossed mode, the shape of the air ports is not limited to be a vertical column shape, and the air ports can be designed into other shapes such as a circle or a triangle; a plurality of air volume flow deflectors (9) are arranged in the heat conducting fin supporting body (2); a plurality of heat conducting fin supporting points (10) are arranged in the heat conducting fin supporting body (2); each heat conducting sheet supporting point (10) is fixed in position by a supporting point positioning belt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836590.XU CN216557627U (en) | 2021-11-14 | 2021-11-14 | Reverse-flow type efficient energy-saving core body of heat exchanger of fresh air fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836590.XU CN216557627U (en) | 2021-11-14 | 2021-11-14 | Reverse-flow type efficient energy-saving core body of heat exchanger of fresh air fan |
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| CN216557627U true CN216557627U (en) | 2022-05-17 |
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| CN202122836590.XU Active CN216557627U (en) | 2021-11-14 | 2021-11-14 | Reverse-flow type efficient energy-saving core body of heat exchanger of fresh air fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082455A1 (en) * | 2021-11-14 | 2023-05-19 | 肖正广 | Counter-flow energy-saving heat exchanger core |
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- 2021-11-14 CN CN202122836590.XU patent/CN216557627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082455A1 (en) * | 2021-11-14 | 2023-05-19 | 肖正广 | Counter-flow energy-saving heat exchanger core |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240129 Address after: 201821 J, building 6, No. 1288, Yecheng Road, Jiading District, Shanghai Patentee after: Shanghai Chunyi New Air Conditioning Technology Co.,Ltd. Country or region after: China Patentee after: Jiangsu Chunyi New Air Conditioning Energy saving Technology Co.,Ltd. Address before: No. 79, group 2, Sanhe Village, CHANGDANG Town, Sheyang County, Yancheng City, Jiangsu Province Patentee before: Xiao Zhengguang Country or region before: China |