CN101881520A - Automatic tracking line focusing solar collector tube receiving hanger frame device - Google Patents
Automatic tracking line focusing solar collector tube receiving hanger frame device Download PDFInfo
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- CN101881520A CN101881520A CN2010102080924A CN201010208092A CN101881520A CN 101881520 A CN101881520 A CN 101881520A CN 2010102080924 A CN2010102080924 A CN 2010102080924A CN 201010208092 A CN201010208092 A CN 201010208092A CN 101881520 A CN101881520 A CN 101881520A
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- collector tube
- collecting tube
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- solar
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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
- Y02E10/47—Mountings or tracking
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Abstract
The invention discloses an automatic tracking line focusing solar collector tube receiving hanger frame device, and belongs to the technical field of high-temperature solar application in line focusing. The hanger frame device consists of a translational guide rail (1), a vacuum collector tube hanger frame hung on the translational guide rail through a pulley (2), a solar reflection optical detection sensor (11) arranged below a vacuum collector tube hoop (10), and a translational tracking driving mechanism consisting of a DC speed-reducing motor (20) and a driving screw (18). The solar reflection optical detection sensor (11) detects the reflecting position of the reflected sunlight, so that the vacuum collector tube horizontally moves and is always positioned at a position with the strongest reflected sunlight through the driving mechanism. A wing-shaped alloy double-arc reflector groove (8) performs secondary condensation on primary light projected on two sides of the collector tube and reflects the light onto the collector tube so as to utilize the primary reflected sunlight to the greatest degree. The device has the advantages of simple structure, low manufacturing cost, power conservation, high heat collection efficiency of the vacuum collector tube, and suitability for a medium and high temperature solar collector system.
Description
Technical field:
The present invention relates to a kind of automatic tracking line focusing solar collector tube receiving hanger frame device, belong to high temperature solar applied technical field in the line focus.
Background technology
During high temperature solar is used in line focus, usually use vacuum heat collection pipe to collect solar reflection optical, as parabolic slot light collection, Fresnel line reflection optically focused etc.In Fresnel line concentration applications, by many speculums solar light focusing to is positioned at eminence with speculum on the parallel line receiver of length direction.The orientation is mainly the north-south and East and West direction is placed.Receiver is made of thermal-collecting tube and secondary reflector usually, and in large-scale application, receiver receives design for not following the tracks of.In the ideal case, sunshine can all reflex on the vacuum heat collection pipe, and usefulness is the highest; But because sun's motion focuses on though speculum is followed the tracks of sun retention wire, length travel will take place in the focal beam spot on the fixed receiving system, runs out of the receiver two ends, thereby collecting efficiency is reduced.In addition, under same solar incident angle situation, vacuum heat collection pipe is if hang to such an extent that high more skew is big more.At present the way that adopts usually in the world wide middle high temperature solar application test system inherent few in number is that vacuum heat collection pipe is prolonged to two ends, and reverberation can be projected on a certain section of vacuum heat collection pipe all the time, keeps whole thermal-arrest ability.But this method will cause the waste of vacuum heat collection pipe and a large amount of sunlight heat loss of energies, because the price of solar energy high temperature high pressure thermal-collecting tube is higher, the big more waste that causes of the expense of vacuum heat collection pipe is also big more, and the solar heat energy that is lost is also big more.In small-scale application, be necessary to two secondary trackings of receiver.
Summary of the invention:
The objective of the invention is to overcome the deficiency of prior art, and a kind of automatic tracking line focusing solar collector tube receiving hanger frame device is provided.
The present invention mounts vacuum heat collection pipe in having translation pulley and secondary line and focuses on the thermal-collecting tube suspension bracket of two arc reflector groove, suspension bracket is lifted on the translation track, suspension bracket two ends configuration solar reflection optical detecting sensor, and carry out translation by DC speed-reducing and Luo bar and follow the tracks of driving, the bright dark variation of detection line focus reflection sunshine in real time, and control the strongest scope that vacuum heat-collecting tube hanger real-time tracking moves to solar reflection optical, bring into play the thermal-arrest usefulness of vacuum heat collection pipe to greatest extent.
Automatic tracking line focusing solar collector tube receiving hanger frame device of the present invention, by translation guide rail (1), hang upside down vacuum heat-collecting tube hanger on the translation guide rail of making by small-sized I shape rail (1) by pulley (2), be arranged on the solar reflection optical detecting sensor (11) of vacuum heat collection pipe garter spring (10) below, and be installed in horizontal slip track (1) one side, by DC speed-reducing (20) with drive the translation tracking driving mechanism that Luo bar (18) constitutes and form.
Be specially: a track (1) of being made by small-sized I shape rail is placed by central authorities directly over tiled reflecting mirror array, in orbit, the thermal-collecting tube suspension bracket of forming by vacuum heat collection pipe (9), thermal-collecting tube garter spring (10), wing-shaped alloy double-arc reflector groove (8), crescent keel frame (7), keel frame interconnecting tube (6,4), keel frame pulley (2) in the lifting.Wherein, vacuum heat collection pipe (9) utilizes thermal-collecting tube garter spring (10) to be fixedly connected on the crescent keel frame (7) by thermal-collecting tube garter spring lifting bolt (14), a plurality of crescent keel framves (7) are connected by keel frame interconnecting tube (6,4), place wing-shaped alloy double-arc reflector groove (8) on two crescent cambered surfaces that a plurality of crescent keel framves (7) form; Under the thermal-collecting tube garter spring (10) at suspension bracket two ends, lift two solar reflection optical detecting sensors (11), this sensor constitutes (12) by the cylinder enclosed shell and the built-in infrared photodiode that adopt the casual saturating scattered light material of light color.In horizontal slip track (1) one side DC speed-reducing (20) is installed, connects drive screw (18) and fix by Luo bar driving Luo cap (5) and fastening bolt (3) with the crescent keel frame (7) of this side.
The course of work of this device is: the sunshine that is layed in the reflection mirror array reflection of receiver below projects on the face of thermal-collecting tube lower edge, be distributed in the reverberation that the thermal-collecting tube both sides do not project thermal-collecting tube and partly carry out the secondary focusing reflection, and project on the face of thermal-collecting tube upper edge by wing-shaped alloy double-arc reflector groove (8).According to the suspension bracket that ground latitude calibration is installed, the line focus sunshine of reflection mirror array reflection is incident upon on the thermal-collecting tube fully, and the solar reflection optical detecting sensor (11) that is installed on the thermal-collecting tube both sides all presents saturation state; When change season, the position that reverberation projects thermal-collecting tube can change, the irradiation of thermal-collecting tube one side is less than reverberation, and an other side, reverberation then occurs and project the outer situation of thermal-collecting tube, at this moment, being installed on irradiation presents by state less than the solar reflection optical detecting sensor (11) of reverberation one side, the solar reflection optical detecting sensor of opposite side then continues to present saturation state, according to by with saturated this two states, control circuit sends control signal, control DC speed-reducing (20) is rotated, and drive screw (18) drives the thermal-collecting tube suspension bracket and moves horizontally, and when the thermal-collecting tube suspension bracket moves back to whole thermal-collecting tube all can shine the emission sunshine time, the reverberation detecting sensor that was originally by state is returned to saturation state, the reverberation detecting sensor of thermal-collecting tube both sides all is in saturation state, control circuit control DC speed-reducing stops operating, and at this moment, the line focus sunshine of reflection mirror array reflection is replied the state that projects fully on the thermal-collecting tube again.So, the reflected sunlight occurrence positions varying offset on the whichever direction, the tracking control of the Detection ﹠ Controling circuit by the solar reflection optical detecting sensor makes the vacuum heat-collecting tube hanger can be in the optimum position of reverberation projection all the time.Among the figure (2) 19 is for driving the joint member of Luo bar (18).
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, adopting alloy double-arc reflector groove to make to be distributed in the thermal-collecting tube both sides not project reverberation on the thermal-collecting tube has partly realized the secondary focusing reflection and has projected on the face of thermal-collecting tube upper edge, can effectively promote the utilization rate of ground return lens array reflected sunlight, improve the collecting efficiency of thermal-collecting tube; Simultaneously, also can provide protection, prolong the service life of thermal-collecting tube thermal-collecting tube.
2, adopt the solar reflection optical detecting sensor that the reverberation launching position is carried out detection and tracking control, can make the vacuum heat-collecting tube hanger can be in the optimum position of reverberation projection all the time, eliminated because the reverberation skew that solar motion brings, not only improved the collecting efficiency of thermal-collecting tube, but also can reduce the redundant length of thermal-collecting tube, effectively reduce the manufacturing cost of application system.
3, adopt crescent keel frame, month keel frame interconnecting tube, alloy double-arc reflector groove and keel frame pulley be main body constitute solar energy heating tube hanger overall weight light, slide flexibly, only need the little power power consumption just can finish tracking and positioning control to the reflected sunlight optimum position.
Description of drawings:
Fig. 1 is a vacuum heat collection pipe hanging holder set structural representation of the present invention.
Fig. 2 is the assembling schematic diagram of apparatus of the present invention.
Fig. 3 is the view of tracking control principle of the present invention when stopping to follow the tracks of.
Fig. 4 is move to right a view when following the tracks of of tracking control principle of the present invention.
Fig. 5 is move to left a view when following the tracks of of tracking control principle of the present invention.
Identical reference symbol has been represented same or analogous part in the accompanying drawing.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing and example.Part of the present invention is market and buys.
Referring to Fig. 1, a kind of automatic tracking line focusing solar collector tube receiving hanger frame device that the present invention proposes, the main vacuum heat-collecting tube hanger of being made up of vacuum heat collection pipe 9, vacuum heat collection pipe garter spring 10, thermal-collecting tube garter spring lifting Luo bolt 14 is lifted on by plastics crescent keel frame 7, PVC keel frame interconnecting tube 6 and 4, wing-shaped alloy double-arc reflector groove 8, keel frame pulley 2 and is assembled on the keel frame of vacuum heat collection pipe.To drive Luo cap 5 usefulness fixed bolts 3 again with the Luo bar of Luo line, be fixed in the interconnection PVC plastics base on the right side keel frame on the vacuum heat-collecting duct keel frame, and screw-in vacuum heat-collecting pipe support drives Luo bar 18, refills vacuum heat-collecting pipe support driving Luo bar universal joint 19 and vacuum heat-collecting pipe support direct current deceleration motor 20; Pulley with all assembling keel framves penetrates in the translation track of being made by bull headction 1 at last, and proofreaies and correct its level and position, guarantees that it is positioned at ground return lens array central authorities and is parallel to mirror surface; Below the vacuum heat collection pipe garter spring 10 of vacuum heat collection pipe mounting both sides, load onto solar reflection optical detecting sensor 11 again, form complete automatic tracking line focusing reverberation solar energy heat collection pipe hanger device.
Among Fig. 2 sequence number 17 for vacuum heat collection pipe expand with heat and contract with cold joint, 16 for vacuum heat collection pipe tube core, 15 for the vacuum heat collection pipe outer layer glass tube.
Referring to Fig. 3, during device work: the solar reflection optical detecting sensor 11A and the B at vacuum heat-collecting tube hanger two ends constantly detect the solar reflection optical at two ends, when A and B all are in saturation state, illustrate that whole vacuum heat-collecting tube hanger is in the solar reflection optical irradiation fully, does not need suspension bracket is adjusted control.When A and B all are in cut-off state, illustrate that whole vacuum heat-collecting tube hanger is not shone by solar reflection optical, be in the cloudy day or the sun is blocked by cloud layer, do not need suspension bracket is adjusted control yet.
Referring to as Fig. 4, when A is in cut-off state and B when being in saturation state, illustrate that skew left appears in the vacuum heat-collecting tube hanger, control circuit will be controlled 18 rotations of DC speed-reducing 20 driving Luo bars this moment, thereby driving the vacuum heat-collecting tube hanger moves right, all be in saturation state until A and B, at this moment, the vacuum heat-collecting tube hanger is in the solar reflection optical irradiation area fully.
Referring to as Fig. 5, when A is in saturation state and B when being in cut-off state, illustrate that skew to the right appears in the vacuum heat-collecting tube hanger, control circuit will be controlled 18 rotations of DC speed-reducing 20 driving Luo bars this moment, thereby driving the vacuum heat-collecting tube hanger is moved to the left, all be in saturation state until A and B, at this moment, the vacuum heat-collecting tube hanger is in the solar reflection optical irradiation area fully.
Claims (3)
1. automatic tracking line focusing solar collector tube receiving hanger frame device, it is characterized in that it is by translation guide rail (1), hang upside down vacuum heat-collecting tube hanger on translation guide rail (1) by pulley (2), be arranged on the solar reflection optical detecting sensor (11) of vacuum heat collection pipe garter spring (10) below, and be installed in horizontal slip track (1) one side, by DC speed-reducing (20) with drive the translation tracking driving mechanism that Luo bar (18) constitutes and form.
2. the described automatic tracking line focusing solar collector tube receiving hanger frame device of claim 1, it is characterized in that described vacuum heat-collecting tube hanger is by the thermal-collecting tube garter spring (10) that hangs upside down with thermal-collecting tube garter spring lifting bolt (14) on crescent keel frame (7), place the multistage serial connection vacuum heat collection pipe (9) of thermal-collecting tube garter spring (10), crescent keel frame (7), be arranged on wing-shaped alloy double-arc reflector groove (8), keel frame interconnecting tube (6) and (4), Luo cap (5) on the crescent keel frame (7), fixed bolt (3), and keel frame pulley (2) constitute.
3. the described automatic tracking line focusing solar collector tube receiving hanger frame device of claim 1, it is characterized in that to detect the position drift condition of primary line focus reflection sunshine, and follow the tracks of driving mechanism by horizontal slip and vertically move whole thermal-collecting tube suspension bracket, two solar reflection optical detecting sensors (11) that primary line focus reflection sunshine is projected on the vacuum heat collection pipe (9) all the time are the light cylinder enclosed shell of saturating scattered light material that overflows, built-in infrared photodiode (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102080924A CN101881520A (en) | 2010-06-24 | 2010-06-24 | Automatic tracking line focusing solar collector tube receiving hanger frame device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102080924A CN101881520A (en) | 2010-06-24 | 2010-06-24 | Automatic tracking line focusing solar collector tube receiving hanger frame device |
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| CN101881520A true CN101881520A (en) | 2010-11-10 |
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| CN2010102080924A Pending CN101881520A (en) | 2010-06-24 | 2010-06-24 | Automatic tracking line focusing solar collector tube receiving hanger frame device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104081134A (en) * | 2012-02-03 | 2014-10-01 | 工程吸气公司 | Improvements for solar collector receiver tubes |
| CN104879934A (en) * | 2014-02-28 | 2015-09-02 | 陆玉正 | Two-dimensional tracking device for slot-type concentrated solar energy |
| CN105865049A (en) * | 2016-04-25 | 2016-08-17 | 河北工业大学 | Trough type solar thermal collector with horizontal sliding rail devices |
| CN106164600A (en) * | 2014-03-24 | 2016-11-23 | 菲涅尔有限公司 | Absorbers combination |
| CN108762316A (en) * | 2018-06-13 | 2018-11-06 | 华北电力大学 | A kind of photoelectric sensor, solar energy heating control system and method |
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|---|---|---|---|---|
| JPS5278133A (en) * | 1975-12-24 | 1977-07-01 | Maruko Kaihatsu Kenkyusho | Method of and apparatus for automatically focusing and maintaining sunbeam at fixed position with gutter type paraboloidal reflector |
| US4245153A (en) * | 1979-03-09 | 1981-01-13 | Porter David R | Sun tracking system for solar collector |
| DE10238202A1 (en) * | 2002-08-21 | 2004-03-18 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Radiation measurement device for a solar radiation parabolic collector comprises a photo-sensor arrangement, mounted on a carriage, that encompasses the heat absorber pipe and can be moved along its longitudinal axis |
| CN2722133Y (en) * | 2004-03-19 | 2005-08-31 | 于成源 | High-efficient solar heat collector |
| CN101650083A (en) * | 2009-09-15 | 2010-02-17 | 宁夏清华园新能源科技有限公司 | Flat-panel solar heat collector capable of regularly following spot light |
| CN101706164A (en) * | 2009-11-19 | 2010-05-12 | 施建良 | Suspension-type solar water heater with automatic tracking |
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2010
- 2010-06-24 CN CN2010102080924A patent/CN101881520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5278133A (en) * | 1975-12-24 | 1977-07-01 | Maruko Kaihatsu Kenkyusho | Method of and apparatus for automatically focusing and maintaining sunbeam at fixed position with gutter type paraboloidal reflector |
| US4245153A (en) * | 1979-03-09 | 1981-01-13 | Porter David R | Sun tracking system for solar collector |
| DE10238202A1 (en) * | 2002-08-21 | 2004-03-18 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Radiation measurement device for a solar radiation parabolic collector comprises a photo-sensor arrangement, mounted on a carriage, that encompasses the heat absorber pipe and can be moved along its longitudinal axis |
| CN2722133Y (en) * | 2004-03-19 | 2005-08-31 | 于成源 | High-efficient solar heat collector |
| CN101650083A (en) * | 2009-09-15 | 2010-02-17 | 宁夏清华园新能源科技有限公司 | Flat-panel solar heat collector capable of regularly following spot light |
| CN101706164A (en) * | 2009-11-19 | 2010-05-12 | 施建良 | Suspension-type solar water heater with automatic tracking |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104081134A (en) * | 2012-02-03 | 2014-10-01 | 工程吸气公司 | Improvements for solar collector receiver tubes |
| CN104879934A (en) * | 2014-02-28 | 2015-09-02 | 陆玉正 | Two-dimensional tracking device for slot-type concentrated solar energy |
| CN106164600A (en) * | 2014-03-24 | 2016-11-23 | 菲涅尔有限公司 | Absorbers combination |
| CN106164600B (en) * | 2014-03-24 | 2019-07-26 | 菲涅尔有限公司 | Absorbers combination |
| CN105865049A (en) * | 2016-04-25 | 2016-08-17 | 河北工业大学 | Trough type solar thermal collector with horizontal sliding rail devices |
| CN105865049B (en) * | 2016-04-25 | 2017-03-22 | 河北工业大学 | Trough type solar thermal collector with horizontal sliding rail devices |
| CN108762316A (en) * | 2018-06-13 | 2018-11-06 | 华北电力大学 | A kind of photoelectric sensor, solar energy heating control system and method |
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