CN111854186A - Multi-air-duct heat collection wall - Google Patents
Multi-air-duct heat collection wall Download PDFInfo
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- CN111854186A CN111854186A CN202010748370.9A CN202010748370A CN111854186A CN 111854186 A CN111854186 A CN 111854186A CN 202010748370 A CN202010748370 A CN 202010748370A CN 111854186 A CN111854186 A CN 111854186A
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- Prior art keywords
- heat exchange
- heat
- tubes
- wall
- exchange tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
- F24S20/66—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of facade constructions, e.g. wall constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
- F24S10/753—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being parallel to each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
- F24S70/12—Details of absorbing elements characterised by the absorbing material made of metallic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Dispersion Chemistry (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a multi-air-channel heat collection wall. The groove walls of the transparent cover plate and the groove bottom are respectively provided with an outer upper part, an outer lower part and an inner upper part which are communicated at two sides, interior wind gap down, the intercommunication has last ventilation pipe between interior last and the outer wind gap of going up, the intercommunication has lower ventilation pipe between interior lower and the outer wind gap of going down, on, through the heat exchanger intercommunication between the lower ventilation pipe, the heat exchanger includes many vertical heat exchange tube and the horizontal heat exchange tube of arranging side by side, each vertical heat exchange tube communicates each other with horizontal heat exchange tube in order to enclose the heat transfer passageway of many buckles, four wind gap departments all are equipped with the electromagnetic switch valve of control wind gap switching and establish the dustproof filter screen of keeping away from heat transfer chamber one side at corresponding wind gap, be equipped with the pipeline fan in interior upper wind gap and the interior lower wind gap, the pipeline fan at interior upper wind gap is towards indoor direction convulsions, the pipeline fan at interior lower wind gap is towards outdoor direction convulsions, the multichannel thermal-arrest wall still includes the controller with each electromagnetic switch valve. The invention has relatively simple structure and good use effect.
Description
Technical Field
The invention relates to a multi-air-channel heat collection wall.
Background
The heat collection wall is also called a Terencloth wall and is the most typical component of a heat collection-heat storage wall type passive solar house. It is essentially a solar collector attached directly to the wall of a room, usually on the south-facing outer wall.
Some functions of the existing heat collection wall on the market are more, but the structure is more complicated, the cost is higher, the implementation difficulty degree is larger, and the heat collection wall is not practical enough.
The other common and simpler heat collecting wall has poor effect, and the structure and the working principle in winter are as follows: the outermost side is a glass cover plate, so that the effects of light transmission and heat collection are achieved; secondly, an air space layer; the surface of the heat collection wall body is covered with the dark paint, so that the air in the cavity is heated while more solar radiation heat energy is absorbed; that is, air enters the cavity through the openings, is heated in the air space, and is finally delivered into the room, providing hot air to the room in winter. In the practical application of the heat collection wall, the convection heat transfer between the air and the heat collection surface is insufficient, the temperature of the heat collection surface is too high, the heat loss is increased by radiating the heat outwards, and the integral heat exchange performance of the heat collection wall is poor; and the management of the opening holes of such a structure is also inconvenient.
Disclosure of Invention
The invention aims to provide a multi-air-channel heat collecting wall which is relatively simple in structure and good in using effect.
In order to achieve the purpose, the multi-air-channel heat collection wall adopts the following technical scheme: a multi-duct heat collection wall comprises a wall body, wherein a groove is formed in the sunny side of the wall body, a transparent cover plate is arranged at the opening of the groove, a heat exchange cavity used for heat exchange is formed by the transparent cover plate and the groove wall of the groove in a surrounding mode, heat absorption coating is coated on the groove wall of the groove, an outer upper air port, an outer lower air port, an inner upper air port and an inner lower air port which are communicated with each other are respectively arranged on the transparent cover plate and the groove wall of the groove bottom and are communicated with each other at two sides, an upper vent pipe is communicated between the inner upper air port and the outer upper air port, a lower vent pipe is communicated between the inner lower air port and the outer lower air port, the upper vent pipe and the lower vent pipe are communicated through a heat exchanger, the heat exchanger comprises a plurality of vertical heat exchange pipes and a plurality of horizontal heat exchange pipes which are arranged side by side, each vertical heat exchange pipe and each horizontal heat exchange pipe are communicated with each other to, the pipeline fans are arranged in the inner upper air inlet and the inner lower air inlet and in one side, facing the heat exchange cavity, of the corresponding dustproof filter screen, the pipeline fans in the inner upper air inlet are used for exhausting air towards the indoor direction, the pipeline fans in the inner lower air inlet are used for exhausting air towards the outdoor direction, and the multi-air-channel heat collection wall further comprises controllers which are respectively in control connection with the electromagnetic switch valves and the pipeline fans.
On the basis of the scheme, the heat exchange fin is further improved in the following way, and the vertical heat exchange tube and the horizontal heat exchange tube are provided with heat exchange fins along the length direction of the heat exchange fins. The heat radiating fins further increase the heat exchange area on the premise of not excessively increasing the occupied volume of the pipeline, the heat exchange efficiency is improved, and the heat exchange effect is greatly improved.
On the basis of the scheme, the heat exchanger is further improved in the following way, the vertical heat exchange tube and the horizontal heat exchange tube are copper tubes or iron tubes, and the heat exchange fins are made of the same material as the corresponding heat exchange tubes. On the premise of considering cost and heat exchange efficiency, the copper pipe and the iron pipe have better heat exchange effect.
On the basis of the scheme, the heat exchange fin is further improved in the following way, the heat exchange fin is internally provided with a wedge-shaped cavity, and the wedge-shaped cavity is communicated with the inner cavity of the corresponding heat exchange tube. A better heat exchange effect can be achieved.
On the basis of the scheme, the heat exchanger is further improved as follows, a plurality of heat exchange fins are respectively arranged on each of the vertical heat exchange tubes and the horizontal heat exchange tubes, and the heat exchange fins are uniformly distributed along the circumferential direction of the corresponding heat exchange tubes. A better heat exchange effect can be achieved.
On the basis of the scheme, the pipeline fan is further improved as follows, the pipeline fan is a speed-regulating fan, and the rotating speed of the pipeline fan is controlled by a controller. The rotating speed of the fan can be adaptively adjusted according to needs, so that the indoor heating speed or the indoor heat dissipation efficiency can be adjusted.
As another parallel scheme, the vertical heat exchange tube and the horizontal heat exchange tube are metal corrugated tubes. The mode of the metal corrugated pipe has the advantages of large heat exchange area, high heat exchange efficiency and lower cost.
On the basis of the scheme, the heat exchanger is further improved in the following way, and the vertical heat exchange tubes and the horizontal heat exchange tubes are made of copper or iron. A better heat exchange effect can be achieved.
On the basis of the scheme, the heat exchange tube is further improved in the following way, and the outer surfaces of the vertical heat exchange tube and the horizontal heat exchange tube are coated with heat absorption coatings. The heat exchange tube can be assisted to achieve more rapid heating.
As another parallel scheme, the vertical heat exchange tube and the horizontal heat exchange tube adopt glass and metal sealing type vacuum solar heat collection tubes, and comprise a glass tube coated with heat absorption coating on the outer layer and a metal corrugated tube on the inner layer. The mode mainly utilizes sunlight to directly heat the heat exchange tube.
The invention has the beneficial effects that: when the heat exchanger is used, the controller closes the electromagnetic switch valves corresponding to the inner lower air inlet and the outer upper air inlet in winter by controlling, outdoor air enters from the outer lower air inlet under the driving action of the pipeline fan at the inner upper air inlet, and passes through the heat exchange tubes arranged in the staggered mode of the heat exchanger, so that compared with the traditional single heat exchange tube, the heat exchange area is larger, the heat exchange efficiency is greatly improved, the air in the heat exchange tube is heated by hot air in the heat exchange cavity and then enters into a room from the inner upper air inlet, and the better heating effect is achieved compared with the traditional heat collecting wall; the controller can control the electromagnetic switch valves to be closed at night in winter, and the heat insulation effect of the heat exchange cavity is utilized to keep the indoor temperature basically stable, so that the heat of hot air entering the room in the daytime can not be quickly dissipated; when the indoor temperature is higher than the outdoor temperature in summer, the controller closes the outer lower air inlet and the inner upper air inlet through control, and under the drive of the fan at the inner lower air inlet, indoor hot air enters from the inner lower air inlet and is then discharged from the outer upper air inlet to dissipate heat. The working process shows that the system structure has fewer parts and low cost, but has a good function of heating indoor air in winter and daytime, can well preserve and insulate heat in winter and evening, and can radiate heat outwards when the indoor temperature is higher than that outdoors in summer, so that the system structure has more functions.
Drawings
FIG. 1 is a front view of a multi-duct heat collecting wall in embodiment 1 of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a front view of a multi-duct heat collecting wall in embodiment 2 of the present invention;
FIG. 5 is a schematic cross-sectional view of the vertical heat exchange tube of FIG. 2 (the horizontal heat exchange tube has the same cross-section);
in the figure: 1-heat exchanger, 11-vertical heat exchange tube, 12-horizontal heat exchange tube, 2-outer upper air inlet, 21-inner upper air inlet, 3-outer lower air inlet, 31-inner lower air inlet, 4-dustproof filter screen, 5-heat exchange cavity, 6-transparent cover plate, 7-groove wall of groove bottom, 8-electromagnetic switch valve, 9-pipeline fan, 10-louver, 20-radiating fin, 30-upper ventilation pipe and 40-lower ventilation pipe.
Detailed Description
When the heat exchanger is used, in winter, the controller closes the electromagnetic switch valves 8 corresponding to the inner lower air inlet 31 and the outer upper air inlet 2 by controlling, outdoor air enters from the outer lower air inlet 3 under the driving action of the pipeline fan 9 at the inner upper air inlet 21, and passes through the heat exchange tubes arranged in the heat exchanger 1 in a staggered manner, so that compared with the traditional single heat exchange tube, the heat exchange area is larger, the heat exchange efficiency is greatly improved, the air in the heat exchange tube is heated by hot air in the heat exchange cavity 5 and then enters into a room from the inner upper air inlet 21, and the better temperature rise effect is achieved compared with the traditional heat collection wall; the controller can control the electromagnetic switch valves 8 to be closed at night in winter, and the heat insulation effect of the heat exchange cavity 5 is utilized to keep the indoor temperature basically stable, so that the heat of hot air entering the room in the daytime can not be rapidly dissipated; when the indoor temperature is higher than the outdoor temperature in summer, the controller closes the outer lower air inlet 3 and the inner upper air inlet 21 through control, and indoor hot air enters from the inner lower air inlet 31 and is then discharged from the outer upper air inlet 2 under the driving of a fan at the inner lower air inlet 31 to dissipate heat. The working process shows that the system structure has fewer parts and low cost, but has a good function of heating indoor air in winter and daytime, can well preserve and insulate heat in winter and evening, and can radiate heat outwards when the indoor temperature is higher than that outdoors in summer, so that the system structure has more functions.
In embodiment 2 of the multi-duct heat collecting wall of the present invention, as shown in fig. 4 to 5, heat exchange fins are disposed on the vertical heat exchange tubes 11 and the horizontal heat exchange tubes 12 along the length direction thereof. The arrangement of the heat radiating fins 20 further increases the heat exchange area on the premise of not excessively increasing the occupied volume of the pipeline, so that the heat exchange efficiency is improved, and the heat exchange effect is greatly improved. The vertical heat exchange tubes 11 and the horizontal heat exchange tubes 12 are copper tubes or iron tubes, and the heat exchange fins are made of the same material as the corresponding heat exchange tubes. On the premise of considering cost and heat exchange efficiency, the copper pipe and the iron pipe have better heat exchange effect. The heat exchange fins are internally provided with wedge-shaped cavities which are communicated with the inner cavities of the corresponding heat exchange tubes. A better heat exchange effect can be achieved. Each of the vertical heat exchange tubes 11 and the horizontal heat exchange tubes 12 is provided with a plurality of heat exchange fins which are uniformly distributed along the circumferential direction of the corresponding heat exchange tube. A better heat exchange effect can be achieved.
In embodiment 3 of the multi-duct heat collection wall of the present invention, the vertical heat exchange tubes 11 and the horizontal heat exchange tubes 12 are metal corrugated tubes. The mode of the metal corrugated pipe has the advantages of large heat exchange area, high heat exchange efficiency and lower cost. The vertical heat exchange tubes 11 and the horizontal heat exchange tubes 12 are made of copper or iron. A better heat exchange effect can be achieved.
The embodiment 4 of the multi-air-channel heat collection wall is different from the embodiment 1 in that the vertical heat exchange tubes and the horizontal heat exchange tubes adopt glass-metal sealing type evacuated solar collector tubes, and each evacuated solar collector tube comprises a glass tube with an outer layer coated with heat absorption paint and a metal corrugated tube with an inner layer. The mode mainly utilizes sunlight to directly heat the heat exchange tube. Further, the heat exchanger can be obliquely arranged, so that solar radiation can be better received under the condition that the thickness of the cavity is not influenced, and the heat exchange efficiency is improved.
Claims (10)
1. The multi-air-channel heat collection wall comprises a wall body, wherein a groove is formed in the sunny side of the wall body, a transparent cover plate is arranged at the opening of the groove, a heat exchange cavity used for heat exchange is formed by the transparent cover plate and the groove wall of the groove in a surrounding mode, and heat absorption coating is coated on the groove wall of the groove The dustproof filter screen, in interior upper air inlet and interior lower wind inlet in the one side towards the heat transfer chamber of the dustproof filter screen that corresponds be provided with the pipeline fan, the pipeline fan at interior upper air inlet is towards indoor direction convulsions, the pipeline fan at interior lower wind inlet is towards outdoor direction convulsions, the multiple duct thermal-arrest wall still includes the controller with each electromagnetic switch valve and pipeline fan control connection respectively.
2. A multi-channel heat collecting wall as claimed in claim 1, wherein the vertical heat exchange tubes and the horizontal heat exchange tubes are provided with heat exchange fins along their lengths.
3. The multi-duct heat collecting wall as claimed in claim 2, wherein the vertical heat exchange tubes and the horizontal heat exchange tubes are copper tubes or iron tubes, and the heat exchange fins are made of the same material as the corresponding heat exchange tubes.
4. The multi-duct heat collecting wall as claimed in claim 3, wherein the heat exchange fins have wedge-shaped cavities therein, and the wedge-shaped cavities are communicated with the inner cavities of the corresponding heat exchange tubes.
5. The multi-duct heat collecting wall as claimed in claim 4, wherein a plurality of heat exchange fins are respectively disposed on each of the vertical heat exchange tubes and the horizontal heat exchange tubes, and the heat exchange fins are uniformly distributed along the circumferential direction of the corresponding heat exchange tube.
6. A heat collecting wall with multiple air ducts as claimed in any one of claims 1 to 5, wherein the pipeline fans are speed-adjustable fans, and the rotation speed of the pipeline fans is controlled by a controller.
7. A multi-channel heat collecting wall as claimed in any one of claims 1 to 4, wherein the vertical heat exchange tubes and the horizontal heat exchange tubes are metal corrugated tubes.
8. A multi-channel heat collecting wall as claimed in claim 7, wherein the vertical and horizontal heat exchange tubes are made of copper or iron.
9. A multi-channel heat collecting wall as claimed in any one of claims 1 to 5, wherein the outer surfaces of the vertical heat exchange tubes and the horizontal heat exchange tubes are coated with a heat absorbing coating.
10. The multi-channel heat collecting wall as claimed in claim 1, wherein the vertical heat exchange tubes and the horizontal heat exchange tubes are glass-to-metal sealed evacuated solar collector tubes, and comprise glass tubes coated with heat absorbing paint on the outer layer and metal corrugated tubes on the inner layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748370.9A CN111854186A (en) | 2020-07-30 | 2020-07-30 | Multi-air-duct heat collection wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748370.9A CN111854186A (en) | 2020-07-30 | 2020-07-30 | Multi-air-duct heat collection wall |
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| Publication Number | Publication Date |
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| CN111854186A true CN111854186A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010748370.9A Pending CN111854186A (en) | 2020-07-30 | 2020-07-30 | Multi-air-duct heat collection wall |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1123070A (en) * | 1997-07-03 | 1999-01-26 | Kamekawa Kogyo Kk | Junction structure between heat collecting fin and water passing pipe |
| US20090013991A1 (en) * | 2007-07-10 | 2009-01-15 | Chen Shih H | Modular solar air circulating and conditioning apparatus |
| CN201680487U (en) * | 2010-02-09 | 2010-12-22 | 樊大章 | Wall body type solar-energy cooling and warming device |
| CN101965456A (en) * | 2009-04-15 | 2011-02-02 | 观音能量株式会社 | Solar thermal power generation apparatus |
| CN103062827A (en) * | 2013-01-14 | 2013-04-24 | 上海理工大学 | Solar vacuum tube heating and ventilation device integrated with buildings |
-
2020
- 2020-07-30 CN CN202010748370.9A patent/CN111854186A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1123070A (en) * | 1997-07-03 | 1999-01-26 | Kamekawa Kogyo Kk | Junction structure between heat collecting fin and water passing pipe |
| US20090013991A1 (en) * | 2007-07-10 | 2009-01-15 | Chen Shih H | Modular solar air circulating and conditioning apparatus |
| CN101965456A (en) * | 2009-04-15 | 2011-02-02 | 观音能量株式会社 | Solar thermal power generation apparatus |
| CN201680487U (en) * | 2010-02-09 | 2010-12-22 | 樊大章 | Wall body type solar-energy cooling and warming device |
| CN103062827A (en) * | 2013-01-14 | 2013-04-24 | 上海理工大学 | Solar vacuum tube heating and ventilation device integrated with buildings |
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