CN101420194A - Pressure difference type solar tracking system - Google Patents
Pressure difference type solar tracking system Download PDFInfo
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- CN101420194A CN101420194A CNA2007100941594A CN200710094159A CN101420194A CN 101420194 A CN101420194 A CN 101420194A CN A2007100941594 A CNA2007100941594 A CN A2007100941594A CN 200710094159 A CN200710094159 A CN 200710094159A CN 101420194 A CN101420194 A CN 101420194A
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- pressure
- accumulator
- tracking system
- solar tracking
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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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- 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
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar panel, in particular to a solar tracking system used for the solar panel. The solar tracking system comprises a substrate, a control unit, a first pressure storage tank and a second pressure storage tank which are arranged in different orientation of the substrate; the first pressure storage tank and the second pressure storage tank respectively generate a first pressure and a second pressure; when the first pressure and the second pressure have a difference, the control unit uses the pressure difference to defect the substrate. The solar tracking system uses the pressure difference generated at tow sides of the refrigerant pressure storage tanks to start an actuating rod so as to adjust the position of the solar panel so that the solar panel deviates to one side of the refrigerant pressure storage tank of large pressure, thus achieving the object of continuously tracking the sunlight.
Description
Technical field
The present invention relates to-kind of solar panels, be specifically related to a kind of solar tracking system of solar panels.
Background technology
Be illustrated in figure 1 as the solar tracking system of traditional solar panels, its light sensing cell comprises four light sensing components 101,102,103 and 104, be placed in four orientation, center of base material 105, sleeve 120 has the plane parallel with base material 105 and is opened on the top, and cover cap is at sensing component 101,102,103 and 104 peripheries.Sleeve 120 has a highly homogeneous limit wall, constitutes traditional solar tracking system.Photovoltaic element 108 is placed in the surface perimeter of base material 105, accepts solar energy, then solar energy is converted into electric energy.When the sun by directly over direct projection during to this traditional solar tracking system, in theory, four light sensing components 101,102,103 and 104 light income homogeneous.In order to make photovoltaic element 108 can receive strong irradiation of sunlight always, photovoltaic element 108 must be always facing to the position at sun place, therefore, the orientation of control base material 105 makes the orientation of its sun-tracing and can automatic always correction position face toward the sun, make photoelectric subassembly 108 can receive the sunlight of direct projection, be very important for solar photovoltaic system always.
Directly over sun skew is left during the position, sleeve 120 limit wall shadows can cover contiguous light sensing component gradually, result in four light sensing components and detect different light powers respectively, these signals are sent to after the control unit, just can drive solar tracking system and adjust direction and make and be partial to certain direction, and make photovoltaic element can receive the sunlight of direct projection once again.
As shown in Figure 1, suppose the sun directly over sensing system, four light sensing component 101-104 receive the light of same intensity; When the sun when move on the left side, light R1 exposes to sleeve 120, light sensing component 101 is covered by the shade of the limit wall of sleeve 120 gradually, a little less than light sensing component 101 received light intensities with respect to light sensing component 103 were, these signals were passed to after the control unit, just can drive stepper motor, solar tracking system is turned to-fixed direction, thereby can reach the effect of following the tracks of the sun, and make photovoltaic element 108, can-directly maintain stronger irradiate light relatively.
The shortcoming of the solar tracking system of above-mentioned traditional solar panels is that the light sensing component only provides sun shifted signal, can't provide power to deflect to the position of hope by solar panels, this system need add electric power and offer deflection system, in order to drive the deflection of solar panels.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind ofly can not only to detect sun shifted signal, also can provide the power drive solar panels to deflect to the pressure difference type solar tracking system of desirable position simultaneously.The electric power that pressure difference type solar tracking system of the present invention does not need to provide extra is to deflection system.
In order to solve the problems of the technologies described above, a kind of pressure difference type solar tracking system that the present invention proposes, except comprising base material, also further comprise: be located at first accumulator and second accumulator of two different azimuth on the aforementioned substrates, first accumulator and second accumulator produce first pressure and second pressure respectively; Be located at aforementioned first accumulator first baffle plate on one side; Be located at aforementioned second accumulator second baffle on one side; Be coupled in the control unit of aforementioned first pressure and second pressure; When first pressure and second pressure had pressure differential, control unit utilized pressure differential deflection aforementioned substrates.
As optimal technical scheme, the above-mentioned pressure difference type solar tracking system of the present invention preferably further includes aforementioned first pressure and second coupling pressure pressure transmission pipeline to aforementioned control unit.Preferably also be provided with in this pressure transmission pipeline in order to adjust the pressure-regulating valve of output pressure size.
As another optimal technical scheme, the control unit of the above-mentioned pressure difference type solar tracking system of the present invention comprises pressure differential actuating device and mechanism's coupling device, and this pressure differential actuating device is positive and negative according to pressure differential, and thrust or pulling force are provided respectively; This mechanism's coupling device is located between pressure differential actuating device and the base material, aforementioned thrust or pulling force deflection aforementioned substrates.
The pressure differential that the present invention utilizes cold coal accumulator both sides to produce starts the position that actuator lever is adjusted solar panels, make one side of the bigger cold coal accumulator of deflection pressure, and reach the purpose that continues to follow the tracks of the sun, and the electric power that does not need to provide extra is to deflection system.
Description of drawings
Fig. 1 is the structural representation of traditional solar tracking system.
Fig. 2 is the structural representation of the pressure difference type solar tracking system that provides of the present invention's first preferred embodiment.
Fig. 3 is the structural representation of the pressure difference type solar tracking system that provides of the present invention's second preferred embodiment.
Fig. 4 is the structural representation of the pressure difference type solar tracking system that provides of the present invention's the 3rd preferred embodiment.
Fig. 5 be pressure difference type solar tracking system of the present invention fundamental diagram.
Wherein: 105 is base material; 108 is photoelectric subassembly; 201,202 is cold coal accumulator; 211,212 is baffle plate; 241,242 is the pressure transmission pipeline; 23 is the pressure differential actuating device; 231,232 is pneumatic cylinder; 233 is actuator lever; 25 is the mechanical couplings unit; 26 is control unit; 27 is pressure-regulating valve.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
As Fig. 2 is the structural representation of the pressure difference type solar tracking system that provides of the present invention's first preferred embodiment.Show the solar substrate 105 that is mounted with photoelectric subassembly 108 among the figure; The left side is mounted with the first refrigerant accumulator 201, produces first pressure because of being subjected to sun S irradiation in jar; The right is mounted with the second refrigerant accumulator 202, is produced second pressure because of shining upon in jar; First baffle plate 211 is placed in one side of first accumulator 201; Second baffle 212 is placed in one side of second accumulator 202.When the sun directly over when shining, it is the same that two accumulators are heated, therefore two accumulator internal pressures are identical, be set at solar panels base material 105 and face the sun this moment.Show among the figure that light R produces a shade separately to first plate washer 211 and second plate washer 212 when sun S is offset left; The shade of first baffle plate 211 does not influence first accumulator, yet the shade of second baffle 212 can cover the regional area of second accumulator 202.Therefore, for first accumulator 201, second accumulator 202 is heated less, be heated second pressure that is produced that volatilizees of first pressure that produced of volatilization and second accumulator, 202 inner refrigerants is compared to such an extent as to first accumulator, 201 inner refrigerants are heated, and just produces a pressure divergence between the two.First accumulator 201 is sent to control unit 26, the second accumulators 202 by pressure transmission pipeline 241 with first pressure and by pressure transmission pipeline 242 second pressure is sent to control unit 26; When control unit 26 has detected pressure differential, just can be according to the deflection way deflection aforementioned substrates 105 of prior setting, when pressure differential is zero, stop deflection, make solar panels base material 105 can-straight sun-tracing position and facing to the sun to obtain stronger irradiate light energy.The refrigerant that present embodiment uses can be R-12, R-22, R-600a, R-134a, R-290, R-270 or R600.
The structural representation of the pressure difference type solar tracking system that provides for the present invention's second preferred embodiment as Fig. 3.Showing among the figure that control unit 26 is combined with mechanical couplings unit 25 by pressure differential actuating device 23 in first preferred embodiment finishes.Pressure differential actuating device 23 includes actuator lever 233, first pneumatic cylinder 231 and second pneumatic cylinder 232.The first refrigerant accumulator 201 is communicated to first pneumatic cylinder, 231, the second refrigerant accumulators 202 by pressure transmission pipeline 241 and is communicated to second pneumatic cylinder 232 by pressure transmission pipeline 242; When first pneumatic cylinder 231 equates with second pneumatic cylinder, 232 pressure, actuator lever 233 transfixions; When the pressure of first pneumatic cylinder 231 during greater than second pneumatic cylinder, 232 pressure, actuator lever 233 is promoted upwards by first pressure; When the pressure of first pneumatic cylinder 231 during less than the pressure of second pneumatic cylinder 232, actuator lever 233 is pushed downwards.Above-mentioned upwards with the running of downward thrust by mechanical couplings unit 25, can adjust solar panels base material 105 towards certain direction skew, and always the sun-tracing position and facing to the sun to obtain stronger irradiate light energy.
The structural representation of the pressure difference type solar tracking system that provides for the present invention's the 3rd preferred embodiment as Fig. 4.Show in second preferred embodiment among the figure, still can increase a pressure-regulating valve 27 in pressure transmission pipeline 241, in order to adjust the pressure balanced sensitivity between the refrigerant accumulator 201 and first pneumatic cylinder 231.
As the fundamental diagram of Fig. 5 for pressure difference type solar tracking system of the present invention.Show operation principle of the present invention among the figure: the first refrigerant accumulator 201 produces first air pressure, is sent to control unit 26; The second refrigerant accumulator 202 produces second air pressure, is sent to control unit 26; When first air pressure and second air pressure have pressure differential, according to the mode deflection solar panels base material certain angle of setting in advance.
Claims (5)
1, a kind of pressure difference type solar tracking system comprises base material, it is characterized in that, also comprises:
Be located at first accumulator and second accumulator of two different azimuth on the aforementioned substrates, first accumulator and second accumulator produce first pressure and second pressure respectively;
Be located at aforementioned first accumulator first baffle plate on one side;
Be located at aforementioned second accumulator second baffle on one side;
Be coupled in the control unit of aforementioned first pressure and second pressure;
When first pressure and second pressure had pressure differential, control unit utilized pressure differential deflection aforementioned substrates.
2, pressure difference type solar tracking system according to claim 1 is characterized in that, also comprises aforementioned first pressure and second coupling pressure pressure transmission pipeline to aforementioned control unit.
3, pressure difference type solar tracking system according to claim 1 is characterized in that, accumulator is cold coal accumulator.
4, pressure difference type solar tracking system according to claim 1 is characterized in that, control unit comprises pressure differential actuating device and mechanism's coupling device, and this pressure differential actuating device is positive and negative according to pressure differential, and thrust or pulling force are provided respectively; This mechanism's coupling device is located between pressure differential actuating device and the base material, aforementioned thrust or pulling force deflection aforementioned substrates.
5, pressure difference type solar tracking system according to claim 2 is characterized in that, also comprises being located in the pressure transmission pipeline, in order to adjust the pressure-regulating valve of output pressure size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100941594A CN101420194A (en) | 2007-10-23 | 2007-10-23 | Pressure difference type solar tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100941594A CN101420194A (en) | 2007-10-23 | 2007-10-23 | Pressure difference type solar tracking system |
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| Publication Number | Publication Date |
|---|---|
| CN101420194A true CN101420194A (en) | 2009-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100941594A Pending CN101420194A (en) | 2007-10-23 | 2007-10-23 | Pressure difference type solar tracking system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014106478A1 (en) * | 2013-01-06 | 2014-07-10 | 北京兆阳光热技术有限公司 | Solar linear concentrating device and system control method |
| CN103926935A (en) * | 2013-11-21 | 2014-07-16 | 张文艳 | Focus adjusting device with gas pressure change serving as power |
| CN104571134A (en) * | 2013-10-23 | 2015-04-29 | 武汉联动设计股份有限公司 | Differential-pressure-type automatic solar tracking device |
| CN110861786A (en) * | 2019-11-06 | 2020-03-06 | 上海卫星工程研究所 | Jet control safety diagnosis method, system, device and medium for spacecraft thruster |
-
2007
- 2007-10-23 CN CNA2007100941594A patent/CN101420194A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014106478A1 (en) * | 2013-01-06 | 2014-07-10 | 北京兆阳光热技术有限公司 | Solar linear concentrating device and system control method |
| CN104571134A (en) * | 2013-10-23 | 2015-04-29 | 武汉联动设计股份有限公司 | Differential-pressure-type automatic solar tracking device |
| CN104571134B (en) * | 2013-10-23 | 2018-03-23 | 武汉联动设计股份有限公司 | Differential pressure type automatic solar energy tracking device |
| CN103926935A (en) * | 2013-11-21 | 2014-07-16 | 张文艳 | Focus adjusting device with gas pressure change serving as power |
| CN110861786A (en) * | 2019-11-06 | 2020-03-06 | 上海卫星工程研究所 | Jet control safety diagnosis method, system, device and medium for spacecraft thruster |
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Open date: 20090429 |