CN113091173A - Wind energy self-cooling device and cooling method - Google Patents
Wind energy self-cooling device and cooling method Download PDFInfo
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- CN113091173A CN113091173A CN202110506410.3A CN202110506410A CN113091173A CN 113091173 A CN113091173 A CN 113091173A CN 202110506410 A CN202110506410 A CN 202110506410A CN 113091173 A CN113091173 A CN 113091173A
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- air
- cooling
- orifice plate
- wind
- wind energy
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Duct Arrangements (AREA)
Abstract
The invention discloses a wind energy self-cooling device and a cooling method, wherein the device comprises an air collecting barrel positioned on the outer periphery or windward side of a building, the air collecting barrel adopts a flow passage with gradually reduced diameter from an inlet to an outlet, the outlet of the air collecting barrel is communicated with a corrugated radiating pipe, the outlet of the corrugated radiating pipe is communicated with an indoor air barrel positioned in the building, a throttling orifice plate is vertically arranged between the corrugated radiating pipe and the indoor air barrel and is vertical to the flow passage, and uniform through holes are processed on the throttling orifice plate; the air pressure is raised by isentropic stagnation of incoming air on the windward side, the air flow temperature is reduced by constant-pressure cooling, and the air flow is blown into the interior of a building after isenthalpic throttling and cooling through a throttling hole, so that the purpose of cooling the interior of the building is achieved.
Description
Technical Field
The invention relates to an indoor air-conditioning cooling device in the field of buildings, in particular to a novel automatic cooling device and method for cooling indoor temperature in summer by utilizing wind energy.
Background
Air conditioning equipment is basically adopted to cool the indoor in summer in China, the indoor air conditioning equipment is used as the standard configuration of the current home and office buildings, the number of the indoor air conditioning equipment is huge, the indoor air conditioning equipment is high-power household electrical equipment, the total electricity consumption value for indoor cooling is huge nationwide in summer every year, and if natural energy such as wind energy can be used for cooling the indoor air conditioning equipment, huge energy and electricity consumption can be saved nationwide.
Disclosure of Invention
The invention aims to provide a wind energy self-cooling device and a cooling method, under the condition of not generating extra energy consumption and power consumption, a series of self-cooling devices are arranged around a building or on the windward side, the air pressure is increased by isentropic stagnation of the incoming air on the windward side, then the air flow temperature is reduced by constant-pressure cooling, and the air flow is cooled by isenthalpic throttling and cooling through a throttling hole and then is blown into the building, so that the aim of cooling the interior of the building is fulfilled.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a wind energy self-cooling heat sink, is including being located the outer wind collection section of thick bamboo 1 all around of building or on the windward side, and wind collection section of thick bamboo 1 adopts the diameter convergent runner from the entry to the export, and wind collection section of thick bamboo 1 export intercommunication ripple cooling tube 2, and 2 exports of ripple cooling tube intercommunication are located the indoor dryer 3 of building, are provided with orifice plate 4 between ripple cooling tube 2 and the indoor dryer 3 perpendicularly with the runner, and the processing has even through-hole on the orifice plate 4.
The diameter of the inlet of the air collecting barrel 1 is 500mm, the diameter of the outlet of the air collecting barrel is 400mm, the length of the air collecting barrel is 300mm, the wall thickness of the air collecting barrel is 1.0mm, the air collecting barrel is made of galvanized steel plates, and the corrugated radiating pipes 2 are identical to the manufacturing plates of the air collecting barrel 1.
2 surface machining of corrugated heat dissipation pipe has the wavelength to be 20mm, and the single crest is 8.6 mm's flow direction triangle ripple for gaseous isentropic stagnation is dispelled the heat after stepping up, and corrugated heat dissipation pipe length is 100 mm.
The orifice plate 4 is made of 2.0mm galvanized steel plates, round holes with the diameter of 20mm are machined in the surfaces of the orifice plate, the porosity is 20%, and the orifice plate 4 is used for isenthalpic throttling and cooling of air flow after isentropic stagnation pressure raising and isobaric cooling.
The indoor air duct is a cylindrical straight duct with the diameter of 400mm, the length of the indoor air duct is 100mm, and the indoor air duct is made of the same material as the air collecting duct 1.
According to the cooling method of the wind energy self-cooling device, the inlet of the wind collecting cylinder 1 faces to incoming air, after the incoming air of strong wind or strong wind is directly blown in, an approximate isentropic stagnation compression process is completed in front of the orifice plate 4, the kinetic energy of air flow is converted into pressure energy, then the temperature rises, and after the temperature rises, heat is dissipated outwards by the corrugated radiating pipe 2, so that the temperature of the stagnation air flow is reduced to the ambient temperature. At the moment, the temperature of the stagnant air flow in front of the orifice plate 4 is the ambient temperature but the pressure is higher than the atmospheric pressure, the air flow is throttled and cooled after passing through the orifice plate 4, and the cooled air is blown into the room through the indoor air duct 3, so that the purposes of cooling and ventilating the room are achieved.
Compared with the prior art, the invention has the following advantages:
under the condition of not generating extra energy consumption and power consumption, a series of self-cooling devices are arranged around the building or on the windward side, the air pressure is raised by isentropic air flowing from the windward side, then the air flow temperature is reduced by constant-pressure cooling, and the air flow is cooled by isenthalpic throttling through a throttling hole and then is blown into the building, so that the purpose of cooling the interior of the building is achieved.
Drawings
FIG. 1 is a radial view of the wind energy self-cooling temperature-reducing device of the present invention.
FIG. 2 is an axial view of the wind energy self-cooling temperature-reducing device of the present invention.
FIG. 3 is a three-dimensional view of the wind energy self-cooling temperature-reducing device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the wind energy self-cooling device of the present invention comprises an air collecting duct 1 located around the building and on the windward side for collecting the windward air flow, wherein the air collecting duct adopts a diameter reducing flow channel, the diameter of the inlet is 500mm, the diameter of the outlet is 400mm, the length is 300mm, the air collecting duct is made of galvanized steel plate with the wall thickness of 1.0mm, the small-caliber end of the air collecting duct is connected with a corrugated heat dissipation tube 2, the corrugated heat dissipation tube 2 is made of a plate material which is consistent with the air collecting duct 1, the surface of the air collecting duct is processed with a flow direction triangular corrugation with the wavelength of about 20mm and the single wave peak of about 8.6mm, and the air is used for heat dissipation; an indoor air duct 3 is arranged behind the corrugated radiating pipe 2, the indoor air duct is a cylindrical straight duct with the diameter of 400mm, the length of the indoor air duct is about 100mm, and the material of the indoor air duct is the same as that of the air collecting duct 1; the flow channel is vertically provided with the throttle orifice plate 4 between the corrugated radiating pipe 2 and the indoor air duct 3, the direction of the throttle orifice plate 4 is completely vertically arranged with the flow channel, the throttle orifice plate 4 is made of 2.0mm galvanized steel plates, the surface of the throttle orifice plate is provided with a round hole with the diameter of 20mm, the porosity is about 20%, and the throttle orifice plate is used for isenthalpic throttling and cooling of air flow after isentropic stagnation pressure raising and isobaric cooling.
The invention relates to a wind energy self-cooling device which is arranged on the windward side or the periphery of a building, wherein the inlet of an air collecting cylinder 1 faces to incoming air, after the incoming air of strong wind or strong wind is directly blown in, an approximate isentropic stagnation compression process is completed in front of a throttling orifice plate 4, the kinetic energy of air flow is converted into pressure energy, then the temperature rises, and after the temperature rises, heat is dissipated outwards by a corrugated radiating pipe 2, so that the temperature of stagnant air flow is reduced to the ambient temperature. At the moment, the temperature of the stagnant air flow in front of the orifice plate 4 is the ambient temperature but the pressure is higher than the atmospheric pressure, the air flow is throttled and cooled after passing through the orifice plate 4, and the cooled air is blown into the room through the indoor air duct 3, so that the purposes of cooling and ventilating the room are achieved.
In summary, the physical principles of the wind energy self-cooling device in the use process are as follows:
1) the air collecting cylinder and the corrugated heat exchange tube complete an isentropic compression process;
2) completing the isobaric cooling process in the corrugated heat exchange tube;
3) the isenthalpic throttling and cooling are finished at the throttling orifice plate;
4) and after the temperature is reduced, the air flow is discharged into the interior of the building to be cooled.
The on-site practical use shows that the wind energy self-cooling device has a good application effect in the weather with strong wind (the wind speed is more than 20m/s), and can achieve the purpose of reducing the power consumption and the energy consumption.
Claims (6)
1. The utility model provides a wind energy self-cooling heat sink which characterized in that: including being located outside wind-collecting barrel (1) on all around or the windward side of building, wind-collecting barrel (1) adopts diameter convergent runner from the entry to the export, and wind-collecting barrel (1) export intercommunication corrugated heat dissipation pipe (2), and corrugated heat dissipation pipe (2) export intercommunication is located indoor dryer (3) of building, is provided with orifice plate (4) between corrugated heat dissipation pipe (2) and indoor dryer (3) perpendicularly with the runner, and processing has even through-hole on orifice plate (4).
2. The wind energy self-cooling device as claimed in claim 1, wherein: the diameter of the inlet of the air collecting cylinder (1) is 500mm, the diameter of the outlet of the air collecting cylinder is 400mm, the length of the air collecting cylinder is 300mm, the wall thickness of the air collecting cylinder is 1.0mm, the air collecting cylinder is made of galvanized steel plates, and the corrugated radiating pipes (2) are made of the same plates as the air collecting cylinder (1).
3. The wind energy self-cooling device as claimed in claim 1, wherein: corrugated heat dissipation pipe (2) surface machining has the wavelength to be 20mm, and the single crest is 8.6 mm's flow direction triangle ripple for gaseous isentropic stagnation is dispelled the heat after stepping up, and corrugated heat dissipation pipe length is 100 mm.
4. The wind energy self-cooling device as claimed in claim 1, wherein: the orifice plate (4) is made of 2.0mm galvanized steel plates, round holes with the diameter of 20mm are machined in the surfaces of the orifice plate, the porosity is 20%, and the orifice plate (4) is used for isenthalpic throttling and cooling of air flow after isentropic stagnation pressure raising and isobaric cooling.
5. The wind energy self-cooling device as claimed in claim 1, wherein: the indoor air duct is a cylindrical straight duct with the diameter of 400mm, the length of the indoor air duct is 100mm, and the indoor air duct is made of the same material as the air collecting duct (1).
6. The method for cooling a wind energy self-cooling device as claimed in any one of claims 1 to 5, wherein: the inlet of the air collecting barrel (1) faces to incoming air, after the incoming air of strong wind or strong wind is directly blown in, an approximate isentropic stagnation compression process is completed in front of the orifice plate (4), the kinetic energy of the air flow is converted into pressure energy, then the temperature rises, and after the temperature rises, the corrugated heat dissipation pipe (2) is used for dissipating heat outwards, so that the temperature of the stagnant air flow is reduced to the ambient temperature. At the moment, the temperature of the front stagnation air flow of the throttling orifice plate (4) is the ambient temperature but the pressure is higher than the atmospheric pressure, the air flow is throttled and cooled after passing through the throttling orifice plate (4), and the cooled air is blown into the room through the indoor air duct (3), so that the purposes of cooling and ventilating the room are achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506410.3A CN113091173A (en) | 2021-05-10 | 2021-05-10 | Wind energy self-cooling device and cooling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506410.3A CN113091173A (en) | 2021-05-10 | 2021-05-10 | Wind energy self-cooling device and cooling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113091173A true CN113091173A (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110506410.3A Pending CN113091173A (en) | 2021-05-10 | 2021-05-10 | Wind energy self-cooling device and cooling method |
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| Country | Link |
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| CN (1) | CN113091173A (en) |
Citations (14)
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|---|---|---|---|---|
| US3659783A (en) * | 1969-10-24 | 1972-05-02 | Eaton Yale & Towne | Temperature regulated flow control element for automotive air-conditioners |
| JPH11281137A (en) * | 1998-03-31 | 1999-10-15 | Matsushita Seiko Co Ltd | Air conditioning air outlet |
| CN103149006A (en) * | 2013-02-28 | 2013-06-12 | 山东大学 | Automobile heat radiator wind tunnel experiment device for simulating actual operation working condition |
| JP2014234876A (en) * | 2013-06-03 | 2014-12-15 | 株式会社栗本鐵工所 | Hot air valve cooling device |
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-
2021
- 2021-05-10 CN CN202110506410.3A patent/CN113091173A/en active Pending
Patent Citations (14)
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| CN103149006A (en) * | 2013-02-28 | 2013-06-12 | 山东大学 | Automobile heat radiator wind tunnel experiment device for simulating actual operation working condition |
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