CN108019960A - A kind of solar energy vacuum tube, solar thermal collector and its application method - Google Patents
A kind of solar energy vacuum tube, solar thermal collector and its application method Download PDFInfo
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- CN108019960A CN108019960A CN201810008920.6A CN201810008920A CN108019960A CN 108019960 A CN108019960 A CN 108019960A CN 201810008920 A CN201810008920 A CN 201810008920A CN 108019960 A CN108019960 A CN 108019960A
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- photodiode
- transparent
- tube
- outer tube
- inner tube
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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
-
- 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
- Y02E10/47—Mountings or tracking
Abstract
The present invention relates to a kind of solar energy vacuum tube,Solar thermal collector and its application method,The solar energy vacuum tube includes the transparent outer tube of one end open and transparent inner tube,C-shaped reflector,Heat pipe,End cap,The sealing of the openend of end cap and transparent outer tube coordinates,The center of transparent inner tube through end cap is arranged in transparent outer tube along the axial restraint of transparent outer tube,So that the openend of transparent inner tube is placed on end cap,Heat pipe and transparent inner tube are mating,C-shaped reflector is rotatably provided in transparent outer tube,The lower section of transparent inner tube,Vacuum space is formed between transparent inner tube and transparent outer tube,So that sunlight reflexes to transparent inner tube to reflector post-concentration,On heat pipe,Inner tube uses transparent pipe,And replaceable heat pipe is set,So that heat pipe can be replaced easily when occurring damaged,Whole vacuum tube is avoided all to scrap,And heat pipe uses copper pipe,Heat conduction is directly rapid,The thermal efficiency is high,Effect drop can be put forward originally.
Description
Technical field
The present invention relates to solar energy equipment technology, particularly a kind of solar energy vacuum tube, solar thermal collector and its
Application method.
Background technology
The definition of solar thermal collector is：Absorb solar radiation and the thermal energy of generation is delivered to the device of heat transfer medium.
Heat pipe type heat collector therein have collecting efficiency it is high, heat is big, output temperature is high, bearing operation is good, structural strength is high, anti-
The features such as jelly property is strong；Heat pipe type heat collector is generally by part groups such as super heat-conductive pipe, the aluminium wing, thermal-collecting tube, connection collection incubator, frames
Into.Sunlight passes through thermal-collecting tube, is radiated on the selective absorbing film of thermal-collecting tube inner tube, solar energy is converted into heat by film layer
Can, thermal energy is reached on embedded heat pipes by the aluminium wing, and the heat-conducting medium in heat pipe evaporator section is heated vaporization rapidly, vaporizes heat conduction
Medium rises to heat pipe condenser section so that condensation segment is rapidly heated, and by condense casing by energy conduction, be collected to thermal-arrest
The medium of water tank（Water, ethylene glycol etc.）In；After heat pipe for thermal conductivity medium releases the latent heat of vaporization, liquid is condensed into, under the effect of gravity
Heat pipe evaporator section is flowed back to, after the heat for receiving thermal-collecting tube, rises vaporization again, again condensing reflux, move in circles work.Heat pipe
Formula heat collector becomes cyclic process by vapour-liquid phase of heat-conducting medium in heat pipe, and it is system continuously to absorb solar radiant energy
Thermal energy is provided.Thermal-collecting tube therein uses solar energy vacuum tube, therefore core of the solar energy vacuum tube as heat pipe type heat collector more
Heart element, is known as " heart " of heat pipe type heat collector, and the quality of vacuum tube quality directly influences making for solar water heater
With service life and performance.
Solar energy vacuum tube of the prior art, the glass liner for vacuum flask of for example same elongation of its structure, is vacuum between ectonexine,
Spectral selective absorbing coating is scribbled as absorption film by the use of special warfare on the surface of inner glass tube, for greatest extent
Absorb solar radiant energy；Existing solar energy vacuum tube, due to inner tube and outer tube sealed set, once the coating coated in inner tube
Come off or damage, solar energy vacuum tube is faced and scrapped, and vulnerable part can not be replaced, use cost is higher.And it is above-mentioned too
The thermal efficiency of solar energy vacuum pipe is low, and heating effect is poor.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of solar energy vacuum tube of simple structure and low cost, the sun
Can heat collector and its application method.
In order to solve the above technical problems, solar energy vacuum tube provided by the invention, including：The transparent outer tube of one end open and
Transparent inner tube, C-shaped reflector, heat pipe, end cap, the openend sealing of the end cap and transparent outer tube coordinate, the transparent inner tube
It is arranged on through the center of the end cap along the axial restraint of the transparent outer tube in transparent outer tube, so that the transparent inner tube
Openend is placed on the end cap, and the heat pipe and the transparent inner tube are mating, and the C-shaped reflector is rotatably provided in
The lower section of interior, the transparent inner tube of the transparent outer tube, forms vacuum space so that sunlight between the transparent inner tube and transparent outer tube
It is irradiated to reflector post-concentration and reflexes to transparent inner tube, on heat pipe, the heat-conducting medium in opposite heat tube is heated.
Further, the heat pipe is copper pipe, which includes evaporator section and condensation segment, and the appearance coating of the evaporator section is inhaled
Hotting mask, copper pipe thermal conductivity is good, cheap, suitable for industrial applications.
Further, solar energy vacuum tube further includes magnetic coupling, the magnetic coupling include the inner ring that is rotatably assorted and
Outer shroud, endless drive permanent magnet, former dynamic permanent magnet, the inner ring and outer rings, endless drive permanent magnet are rotatably provided in described
In transparent outer tube, the transmission permanent magnet is coaxial with the inner ring and is fixedly installed, and the former dynamic permanent magnet is placed in described transparent
Outside outer tube, the reflector is embedded in the inner ring, so as to can drive the transmission permanent magnetism during the former dynamic permanent magnet rotating
Body, inner ring, reflector rotate, and adjust the focusing angle of reflector.
Further, the inner wall of the transparent outer tube sets annular groove, and the outer shroud of the magnetic coupling is placed in the annular groove,
Axial limiting is carried out to magnetic coupling.
A kind of solar thermal collector, including above-mentioned solar energy vacuum tube.
Further, solar thermal collector further includes tracking driving device, which includes rotating base, rotates
Motor, the first photodiode, the second photodiode, shadow shield, the rotary electric machine coordinate with rotating base transmission,
The rotating base coordinates with the former dynamic permanent-magnet driving so that the rotary electric machine powered rotatable pedestal and former dynamic permanent magnetism
Body rotates synchronously, and first photodiode, the second photodiode are arranged on the both sides of the rotating base upper surface, institute
Shadow shield is stated to be placed between first photodiode, the second photodiode；Tracking driving device is further included for detecting
Compare the first photodiode, the second photodiode produces size of current and control the control circuit of rotary electric machine, sunlight shines
Penetrate when on the first photodiode, the second photodiode, the electric current that the first photodiode, the second photodiode produce
Signal is sent to control circuit, compares current generated big of the first photodiode, the second photodiode by control circuit
It is small.
The application method of above-mentioned solar thermal collector, includes the following steps：First photodiode, the second photodiode
During the equal face sun, the electric current that both produce is identical, since the presence of shadow shield causes the first photodiode, second photosensitive two
Pole pipe is not while during the face sun, and shadow shield produces the first photodiode or the second photodiode and blocks so that the
Size of current caused by one photodiode, the second photodiode is inconsistent, control turn after being compared by control circuit
Dynamic electric motor starting so that rotary electric machine drives rotating base to be rotated to the larger photodiode side of electric current is produced, the first light
When size of current caused by quick diode, the second photodiode is consistent, rotating base stops operating, the first photosensitive two pole
Pipe, the second photodiode the face sun at the same time again, realize the real-time tracking to the sun, rotating base drives former dynamic permanent magnet
Rotation, former dynamic permanent magnet driving transmission permanent magnet and inner ring rotation, inner ring drives reflector to rotate, and then ensures that reflector is real-time
The face sun, improves collecting efficiency.
The technique effect of invention：（1）The solar energy vacuum tube of the present invention, relative to the prior art, inner tube uses transparent pipe,
And replaceable heat pipe is set so that heat pipe can be replaced easily when occurring damaged, avoid whole vacuum tube from all scrapping,
Use cost can be reduced；Heat pipe uses copper pipe, and thermal conductivity is good, is easily changed；（2）Reflector is driven by magnetic coupling, magnetic force
The outer shroud of shaft coupling is rotatably provided in transparent outer tube the rotation control, it can be achieved that reflector；（3）By on rotating base
Two photodiodes are set and shadow shield is set between two photodiodes so that the electric current that two photodiodes produce is big
Rotating base is driven to rotate when small inconsistent, with two photodiodes of adjustment while the face sun so that reflector can be real
When the face sun, collecting efficiency greatly improved.
Brief description of the drawings
The present invention is described in further detail with reference to Figure of description：
Fig. 1 is the radial cross-section of solar energy vacuum tube of the present invention；
Fig. 2 is the axial sectional view of solar energy vacuum tube of the present invention；
Fig. 3 is the structure diagram of the rotating base of the present invention.
In figure：End cap 30, transparent outer tube 31, reflector 32, transparent inner tube 33, magnetic coupling 34, shaft coupling outer shroud 35,
Shaft coupling inner ring 36, heat pipe 37, annular groove 38, is driven permanent magnet 39, rotating base 41, the first photodiode 42, second is photosensitive
Diode 43, shadow shield 44.
Embodiment
As shown in Figure 1 to Figure 2, the solar energy vacuum tube of the present embodiment includes the transparent outer tube 31 of one end open to embodiment 1
With 30,2 transparent inner tube 33, C-shaped reflector 32, heat pipe 37, end cap magnetic couplings 34, the openend and end of transparent outer tube 31
The sealing of lid 30 coordinates, the centrally disposed through hole of end cap 30, and the closed end of transparent inner tube 33 is saturating through the through hole edge at 30 center of end cap
The axial restraint of bright outer tube 31 is arranged in transparent outer tube 31, so that the openend of transparent inner tube 33 is placed on end cap 30, heat pipe
37 and transparent inner tube 33 it is mating after to being sealed between through hole and heat pipe 37, heat-conducting medium to be heated is in heat pipe 37
Circulation；C-shaped reflector 32 is rotatably provided in transparent outer tube 31, the lower section of transparent inner tube 33, and each magnetic coupling 34 includes
The dynamic permanent magnet of shaft coupling inner ring 36 and shaft coupling outer shroud 35, endless drive permanent magnet 39, original being rotatably assorted, transparent outer tube 31
Inner wall sets 2 annular grooves 38, and the outer shroud 35 of each magnetic coupling 34 is placed in corresponding annular groove 38, and axis is carried out to magnetic coupling 34
To spacing, transmission permanent magnet 39 is coaxial with inner ring 36 and is fixedly installed, former to move permanent magnet（Not shown in figure）It is placed in transparent outer tube
Outside 31, the rear and front end of reflector 32 is embedded in corresponding inner ring 36 respectively, so as to can drive transmission during former dynamic permanent magnet rotating
Permanent magnet 39, inner ring 36, reflector 32 rotate, adjust reflector 32 focusing angle, after the completion of assembling transparent inner tube 33 with thoroughly
Vacuum space is formed between bright outer tube 31 so that right in sunlight to 32 back reflection of reflector to transparent inner tube 33, heat pipe 37
Heat-conducting medium in heat pipe 37 is heated.Sealing copper pipe can be selected in heat pipe 37, which includes evaporator section and condensation segment, evaporates
The appearance coating absorption film of section, condensation segment are placed in heat collection water tank, and water to be heated is held in heat collection water tank, realizes that heat is handed over
Change, copper pipe thermal conductivity is good, cheap, suitable for industrial applications
Embodiment 2
A kind of solar thermal collector, including above-mentioned solar energy vacuum tube, further include for drive former dynamic permanent magnet rotating with
Track driving device, the as shown in Figure 3 tracking driving device include rotating base 41, rotary electric machine, the first photodiode 42, the
Two photodiodes 43, shadow shield 44, rotary electric machine（Not shown in figure）Be driven and coordinate with rotating base 41, the dynamic permanent magnet of original with
The transmission of rotating base 41 coordinates so that rotary electric machine powered rotatable pedestal 41 is rotated with former dynamic permanent-magnet synchronous, and first photosensitive two
Pole pipe 42, the second photodiode 43 are arranged on the both sides of 41 upper surface of rotating base, and shadow shield 44 is placed in the first photosensitive two pole
Between pipe 42, the second photodiode 43；Tracking driving device is further included compares the first photodiode 42, second for detection
Photodiode 43 produces size of current and controls the control circuit of rotary electric machine（Not shown in figure）, judged by control circuit
The current generated size rear-guard turn moving base 41 of first photodiode 42, the second photodiode 43 rotates so that the
One photodiode 42, the second photodiode 43 the face sun all the time, to improve the focusing efficiency of reflector.
Embodiment 3
The specifically used method of solar thermal collector described in embodiment 2 is as follows：The upper surface of rotating base 41 and reflector 32 are equal
Set towards the sun, and the longitudinal center line of reflector 32 is consistent with the extending direction of shadow shield 44 or is arranged in parallel, initial shape
The first photodiode 42, the second photodiode 43 of same model during state on 41 upper surface of rotating base are set towards the sun
Put；For sunlight when on the first photodiode 42, the second photodiode 43, the first photodiode 42, second is photosensitive
The current signal that diode 43 produces is sent to control circuit, and it is photosensitive to compare the first photodiode 42, second by control circuit
The current generated size of diode 43, when the electric current that both produce is identical, shows the first photodiode 42, second photosensitive two
The equal face sun of pole pipe 43, at this time reflector 32 be equally placed in the angle of the face sun, without being adjusted；Due to shadow shield 44
Presence cause the first photodiode 42, the second photodiode 43 not to be while during the face sun, shadow shield 44 is to first
42 or second photodiode 43 of photodiode is produced and blocked, and the first photodiode 42, the second photodiode 43 are produced
Raw size of current is inconsistent, such as the sun is offset on rotating base 41 side, the first light residing for first photodiode 42
Quick diode 42 can be still irradiated to completely by the sun, but the shadow that shadow shield 44 produces has blocked the second photodiode
43, at this time the first photodiode 42 produce electric current be more than the second photodiode 43 produce electric current, by control circuit into
Row controls rotary electric machine to start more afterwards so that and rotary electric machine drives rotating base 41 to be rotated to 42 side of the first photodiode,
In the process the first photodiode 42, electric current changes caused by the second photodiode 43, when first photosensitive two
When size of current caused by pole pipe 42, the second photodiode 43 is consistent again, control circuit control rotary electric machine stops making
Rotating base 41 stop operating, the first photodiode 42, the second photodiode 43 again at the same time the face sun, realize pair
The real-time tracking of the sun, since rotating base 41 drives former dynamic permanent magnet rotating, 39 and of former dynamic permanent magnet driving transmission permanent magnet
Inner ring 36 rotates, and inner ring 36 drives reflector 32 to rotate, and then ensures the real-time face sun of reflector 32, improves reflector 32
Collecting efficiency.The principle that it is reversely adjusted is same, and this will not be detailed here.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, it can also be made on the basis of the above description
Its various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
Among bright spiritual changes and variations that derived from are still in protection scope of the present invention.
Claims (7)
- A kind of 1. solar energy vacuum tube, it is characterised in that including：The transparent outer tube of one end open and transparent inner tube, C-shaped are reflective Plate, heat pipe, end cap, the openend sealing of the end cap and transparent outer tube coordinate, and the transparent inner tube is passed through in the end cap The heart is arranged in transparent outer tube along the axial restraint of the transparent outer tube, so that the openend of the transparent inner tube is placed in the end Covering, the heat pipe and the transparent inner tube are mating, the C-shaped reflector is rotatably provided in the transparent outer tube, The lower section of transparent inner tube, forms vacuum space so that after sunlight to reflector between the transparent inner tube and transparent outer tube Convergence reflex is on transparent inner tube, heat pipe.
- 2. solar energy vacuum tube according to claim 1, it is characterised in that the heat pipe is copper pipe, which includes steaming Send out section and condensation segment, the appearance coating absorption film of the evaporator section.
- 3. solar energy vacuum tube according to claim 2, it is characterised in that further include magnetic coupling, the magnetic force shaft coupling Device includes the dynamic permanent magnet of inner ring and outer rings, endless drive permanent magnet, original being rotatably assorted, the inner ring and outer rings, endless drive Permanent magnet is rotatably provided in the transparent outer tube, and the transmission permanent magnet is coaxial with the inner ring and is fixedly installed, described The dynamic permanent magnet of original is placed in outside the transparent outer tube, and the reflector is embedded in the inner ring, so that the former dynamic permanent magnet turns The transmission permanent magnet, inner ring, reflector can be driven to rotate when dynamic.
- 4. solar energy vacuum tube according to claim 3, it is characterised in that the inner wall of the transparent outer tube sets annular groove, The outer shroud of the magnetic coupling is placed in the annular groove.
- 5. a kind of solar thermal collector, it is characterised in that including the solar energy vacuum tube described in one of the claims 1 to 4.
- 6. solar thermal collector according to claim 5, it is characterised in that further include tracking driving device, which drives Dynamic device includes rotating base, rotary electric machine, the first photodiode, the second photodiode, shadow shield, the rotary electric machine It is driven and coordinates with the rotating base, the rotating base coordinates so that the rotary electric machine can with the former dynamic permanent-magnet driving Rotating base is driven to be rotated with former dynamic permanent-magnet synchronous, first photodiode, the second photodiode are arranged on described The both sides of rotating base upper surface, the shadow shield are placed between first photodiode, the second photodiode；Tracking Driving device is further included to be compared the first photodiode, the second photodiode produces size of current and controls rotation for detection The control circuit of motor.
- 7. the application method of solar thermal collector according to claim 6, it is characterised in that include the following steps：First During the equal face sun of photodiode, the second photodiode, the electric current that both produce is identical, since the presence of shadow shield causes First photodiode, the second photodiode be not while during the face sun, and shadow shield is to the first photodiode or second Photodiode is produced and blocked so that and size of current caused by the first photodiode, the second photodiode is inconsistent, by Control circuit controls rotary electric machine to start after being compared so that rotary electric machine drives rotating base to the larger light of generation electric current Quick diode side rotates, when size of current caused by the first photodiode, the second photodiode is consistent, rotating base Stop operating, the first photodiode, the second photodiode again at the same time the face sun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008920.6A CN108019960A (en) | 2018-01-04 | 2018-01-04 | A kind of solar energy vacuum tube, solar thermal collector and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008920.6A CN108019960A (en) | 2018-01-04 | 2018-01-04 | A kind of solar energy vacuum tube, solar thermal collector and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108019960A true CN108019960A (en) | 2018-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810008920.6A Withdrawn CN108019960A (en) | 2018-01-04 | 2018-01-04 | A kind of solar energy vacuum tube, solar thermal collector and its application method |
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| Country | Link |
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| CN (1) | CN108019960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207517A (en) * | 2018-11-22 | 2020-05-29 | 王建 | Novel solar heating glass tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201811461U (en) * | 2010-02-26 | 2011-04-27 | 华南农业大学 | High-efficiency heat pipe type internal light-focusing solar vacuum heat-collecting pipe |
| CN103712345A (en) * | 2013-12-30 | 2014-04-09 | 南京诚远太阳能科技有限公司 | Heat collection device with condensation reflector tracking sunlight |
| CN204165248U (en) * | 2014-10-25 | 2015-02-18 | 秦建锋 | Electric heating alliance high-efficiency solar vacuum tube and electric heating combined supply apparatus |
| CN105929857A (en) * | 2016-05-31 | 2016-09-07 | 南昌理工学院 | Solar panoramic automatic tracking system |
| CN207849781U (en) * | 2018-01-04 | 2018-09-11 | 秦建锋 | A kind of solar energy vacuum tube, solar thermal collector |
-
2018
- 2018-01-04 CN CN201810008920.6A patent/CN108019960A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201811461U (en) * | 2010-02-26 | 2011-04-27 | 华南农业大学 | High-efficiency heat pipe type internal light-focusing solar vacuum heat-collecting pipe |
| CN103712345A (en) * | 2013-12-30 | 2014-04-09 | 南京诚远太阳能科技有限公司 | Heat collection device with condensation reflector tracking sunlight |
| CN204165248U (en) * | 2014-10-25 | 2015-02-18 | 秦建锋 | Electric heating alliance high-efficiency solar vacuum tube and electric heating combined supply apparatus |
| CN105929857A (en) * | 2016-05-31 | 2016-09-07 | 南昌理工学院 | Solar panoramic automatic tracking system |
| CN207849781U (en) * | 2018-01-04 | 2018-09-11 | 秦建锋 | A kind of solar energy vacuum tube, solar thermal collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207517A (en) * | 2018-11-22 | 2020-05-29 | 王建 | Novel solar heating glass tube |
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Application publication date: 20180511 |
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| WW01 | Invention patent application withdrawn after publication |