CN101514850A - Single-axis solar irradiation automatic tracking system - Google Patents
Single-axis solar irradiation automatic tracking system Download PDFInfo
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- CN101514850A CN101514850A CNA2009100254558A CN200910025455A CN101514850A CN 101514850 A CN101514850 A CN 101514850A CN A2009100254558 A CNA2009100254558 A CN A2009100254558A CN 200910025455 A CN200910025455 A CN 200910025455A CN 101514850 A CN101514850 A CN 101514850A
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- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 14
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- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims description 5
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 claims description 3
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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
Abstract
The invention discloses a single-axis solar irradiation automatic tracking system which comprises a tracker plate, a bearing support and a connecting axis component. The system is characterized in that: bending shadow shields are respectively arranged on the edge of two rotating ends of the tracker plate corresponding to the connecting axis, and same gaseous state temperature sensors are arranged tightly on the shadow shields; a hydraulic cylinder device is fixed on the bearing support and is connected with the bottom surface of the tracker plate by the top of a piston rod along the direction vertical to the center of a rotary shaft; the two gaseous state temperature sensors are respectively and closely connected with upper and lower cavities of the hydraulic cylinder device by ducts. The pressure difference of the hydraulic cylinder device is caused by the changes of saturated vapor pressure of the gaseous state temperature sensors on the two sides. And the tracker plate is driven by the piston rod to rotate and track the solar irradiation. The solar irradiation automatic tracking system eliminates the defect that a traditional solar energy device can track or cannot track but the energy consumption is large. The energy utilization ratio of solar energy is improved. The single-axis solar irradiation automatic tracking system has the advantages of simple structure, low cost, high tracking precision, etc.
Description
Technical field
The present invention relates to a kind of helioplant, relate in particular to a kind of single-axis solar irradiation automatic tracking system that is used to follow the tracks of sun running and irradiation angle.
Background technology
At present; convergence day by day along with the deficient crisis of world energy sources; emerging regenerative resource becomes people's exigence day by day; wherein solar energy is as a kind of inexhaustible comparatively speaking emerging regenerative resource; it is wide that it has irradiation range; environmental protection remarkable advantage such as can forever utilize, so countries in the world is always all in the research of actively developing solar utilization technique and industrialization development.Solar energy is the constantly energy of variation of a kind of low-density, intermittence, spatial distribution, with conventional energy resource essential difference is arranged.This just has higher requirement to the collection and the utilization of solar energy.
Solar energy is more effective to be utilized in order to make, and the photosurface of solar energy system should be followed the tracks of the sun and vertical with the solar irradiation direction all the time, in order to obtain maximum efficient.It is reported have the solar energy utilization ratio of tracking system to improve about 20%～35% than the solar energy utilization ratio that does not have tracking system.Therefore, in solar energy utilized, whether the use of tracking system had very big influence to the solar energy utilization ratio.
Existing helioplant is divided into by the solar energy collecting mode to be had tracking and not to have two kinds of tracking.Wherein not having the solar energy system of following the tracks of utilizes the mode shortcoming obvious: well-known, utilization rate was the highest when sun incident light was vertical with photosurface, utilization rate diminishes along with the change of deviation angle is big, no tracking solar system maintains static, its photosurface can not be at any time keeps vertical with sun incident light, thus for solar energy utilization rate well below the solar energy system that tracking is arranged.But because its design, use, maintenance cost are lower, thereby also solar energy utilization ratio is used in less demanding production, the sphere of life at some.
And in the solar energy system of tracking was arranged, the most of mode that adopts electronic control system and mechanical system to combine of its tracking system was carried out the track and localization of the sun.In actual applications, though electronic control system can utilize the embedded program of control system to control the steering angle of tracker mechanical system exactly, but in control procedure, can consume the part electric energy, the drive units such as motor that the while electronic control system is controlled also will consume much electricity, thereby influence the utilization ratio of solar energy.
Summary of the invention
At above-mentioned many defectives, purpose of the present invention is intended to propose a kind of single-axis solar irradiation automatic tracking system, with solve in the existing helioplant ubiquitous solar irradiation is not had follow the tracks of and essence causes energy utilization rate not high, even and have and follow the tracks of but the additional electrical energy consumption of tracking mode complexity, Electronic Control and machinery control and cause actual energy utilization rate to promote the problem of difficulty.
The technical solution that the object of the invention is achieved is:
Single-axis solar irradiation automatic tracking system based on Hydraulic Power Transmission System is characterized in that: comprise support bracket, tracker flat board, connecting axle assembly, two of gaseous state temperature sensors, two in conduit and hydraulic cylinder device.The dull and stereotyped connecting axle assembly by bottom center of tracker links to each other with support bracket, and can realize single axle rotation.Be respectively equipped with the shadow shield of bending in the dull and stereotyped edges at two ends of rotating of tracker, and be close to each shadow shield one identical gaseous state temperature sensors is set relative to connecting axle; And set firmly a hydraulic cylinder device on the described support bracket, be connected perpendicular to the rotating shaft center position by piston rod part and tracker planar bottom surface; Described two gaseous state temperature sensors are passed through upper and lower two chambers of the airtight access hydraulic cylinder device of conduit respectively.
Further, described gaseous state temperature sensors is meant the airtight rigidity heat build-up clarinet that is filled with gas, and the identical heat build-up clarinet shape, volume of being meant of two gaseous state temperature sensors is identical, and same environment down in inflation body pressure identical.
Further, described blanketing gas is the gas that boiling point is lower than the applied environment temperature under the normal pressure, comprises F-12, freon-22 or other known gaseous compounds.
Further, described heat build-up clarinet fixes with the tracker flat board by the clarinet cover of integrated setting on shadow shield, or by other syndeton that heat build-up clarinet does not have heat-conduction effect is fixed.
Further, described two conduits have flexible, and volume equates under the sealed at both ends state.
Further, described tracker planar bottom surface is being provided with the helical pitch groove perpendicular to the rotating shaft center position, and described piston rod part directly contacts with helical pitch groove inboard, and piston rod part can be slided along the helical pitch groove.
The implementation method of single-axis solar irradiation automatic tracking system, it is characterized in that: described automatic tracking system comprises tracker flat board and shadow shield thereof, support bracket, connecting axle assembly, gaseous state temperature sensors, hydraulic cylinder device, and the conduit that connects gaseous state temperature sensors and the upper and lower chamber of hydraulic cylinder, and the piston rod part of hydraulic cylinder device and tracker planar bottom surface are connected; Because gaseous state temperature sensors is in the tracker plate edge of rotating shaft both sides, and equates with the distance of central rotating shaft, solar irradiation to the both sides gaseous state temperature sensors to add thermal effect identical; But under the solar irradiation deflected condition, the described gaseous state temperature sensors in the dull and stereotyped two ends of the tracker inequality of under the shadow shield effect, being heated, the saturated vapor pressure of interior inflation body changes with temperature change, be passed to hydraulic cylinder device through conduit, pressure reduction by upper and lower two chambers of piston moving equilibrium, and then, make that tracker is dull and stereotyped to rotate, adjust the angle towards solar irradiation by pushing away on the piston rod top or drop-down.When the tracker treadmill exercise to solar irradiation when perpendicular, the heating surface area of two gaseous state temperature sensors is identical, pairing saturated vapor pressure is identical.At this moment, piston both sides pressure equates that the piston motion stops, and then makes dull and stereotyped rotation of tracker stop by the control of piston rod, forms a closed-loop system.
Further, described shadow shield effect refers to, after the dull and stereotyped plumbness generation of solar irradiation and tracker deflection, described shadow shield blocks, cuts down effect to heat build-up clarinet irradiated area, and inflation body saturated vapor pressure changes with temperature change in causing.
After single-axis solar irradiation automatic tracking system of the present invention was implemented, its beneficial effect was embodied in:
Based on the automatic tracking system of Hydraulic Power Transmission System, eliminated traditional irradiation tracking system and need improve the energy utilization rate of solar energy by the energy loss of electronic control system and electric machinery driving.Simultaneously, that this automatic tracking system also has is simple in structure, with low cost, easy to maintenance, the operation is simple and easy, dependable performance, tracking accuracy height, and the user of service is required plurality of advantages such as lower.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention;
Fig. 2 is the side-looking structural representation of the embodiment of the invention;
Fig. 3 is the shading principle schematic of the embodiment of the invention;
Fig. 4 is the operating load analysis chart of the embodiment of the invention;
Fig. 5 is the structural representation of tracker planar bottom surface helical pitch groove in the embodiment of the invention;
Fig. 6 is the structure chart of hydraulic cylinder in the embodiment of the invention;
Fig. 7 is the stroke analysis chart of embodiment of the invention hydraulic cylinder piston.
The specific embodiment
For inner characteristic and the beneficial effect that makes single-axis solar irradiation automatic tracking system of the present invention is easier to understand, it is elaborated below in conjunction with embodiment and accompanying drawing thereof.
The perspective view of the embodiment of the invention as depicted in figs. 1 and 2 and side-looking structural representation as seen, solar tracking Hydraulic Power Transmission System of the present invention comprises support bracket 3, tracker flat board 1, connecting axle assembly 2,51,52 two of gaseous state temperature sensors, 81,82 two in conduit and hydraulic cylinder device 7.The tracker dull and stereotyped 1 connecting axle assembly 2 by bottom center links to each other with support bracket 3, and can realize single axle rotation.Be respectively equipped with the shadow shield 11,12 of bending in dull and stereotyped 1 edges at two ends of rotating of tracker, and be close to each shadow shield 11,12 an identical gaseous state temperature sensors 51,52 is set respectively relative to connecting axle; And set firmly a hydraulic cylinder device 7 on the described support bracket 3, be connected perpendicular to the rotating shaft center position by piston rod 71 tops and dull and stereotyped 1 bottom surface of tracker; Described two gaseous state temperature sensors 51,52 are respectively in upper and lower two chambers 72,73 by flexible isometric(al) conduit 81,82 airtight access hydraulic cylinder devices 7.In addition, be provided with helical pitch groove 13 in dull and stereotyped 1 bottom surface of tracker perpendicular to the rotating shaft center position, and make piston rod 71 tops can slide interlocking in this helical pitch groove 13.
In the present embodiment, the airtight rigidity heat build-up clarinet that is filled with low-boiling point gas that this gaseous state temperature sensors refers to (following all the abbreviation with clarinet refers to gaseous state temperature sensors), the form and the tracker flat board 1 that overlap 4 (two side visors are respectively established two) two ends socket by the clarinet of integrated setting on shadow shield 11,12 fix.For guaranteeing the levels of precision of this automatic tracking system, shadow shield 11,12 degree of depth, the bending angle of dull and stereotyped 1 both sides of tracker are identical; Affixed clarinet 51,52 shapes, volume are identical, and the gas pressure intensity that fills under the equivalent environment is also identical.Herein, the gas of being filled in the clarinet 51,52 is F-12.
Below in conjunction with Fig. 3, Fig. 4 and Fig. 6, further analyze the operation principle of single-axis solar irradiation automatic tracking system of the present invention:
The relative position signal of the sun is accepted by the gaseous state temperature sensors 51,52 (clarinet) of dull and stereotyped 1 both sides of tracker.At normal temperatures, the partially liq vaporization forms saturated vapor, produce certain saturated vapor pressure simultaneously, be passed to hydraulic cylinder device 7 by airtight conduit 81,82, make the upper chamber 72 in the hydraulic cylinder device 7 form pressure reduction with lower chambers 73, thereby piston rod 71 motions further make tracker flat board 1 turn an angle, and reach the purpose from the motion tracking solar irradiation.
Particularly, the shading principle schematic of the embodiment of the invention as shown in Figure 3 as seen, when tracker flat board 1 during over against solar irradiation, clarinet 51,52 irradiated areas towards the sun of both sides are that what to equate (is A
1B
1=A
2B
2), promptly the saturated vapor pressure in the clarinet of both sides also is in the equal balance, the stressed poised state that is in the both sides of hydraulic cylinder piston, the dull and stereotyped transfixion of tracker; But when solar irradiation and tracker flat board 1 skew certain angle, because the effect of blocking of shadow shield 11,12, clarinet 51, the 52 suffered areas that shine upon of dull and stereotyped 1 both sides of tracker are inequality, (A shown in the figure
1B
1＞A
2' B
2') a side heating surface area is constant, only is that variation has taken place in the position, and opposite side because shadow shield 11 and obviously reduce.The saturated vapor pressure of inflation body changed in the difference of temperature caused thus, by the conduit transmission, in the upper chamber 72 of hydraulic cylinder device 7 and lower chambers 73, formed pressure differential, the chamber pressure that the side that irradiation reduces is connected diminishes relatively, pressure regulating action by piston rod 71 drives tracker dull and stereotyped 1 and rotates, regulate its with respect to solar irradiation towards.Along with the variation of the sun, follow the tracks of until The sun sinks in the west in the locus.On next day, the sunlight of sunrise shines hot one-sided clarinet, and this side gas saturated vapor pressure is changed, and drives the tracker platform by hydraulic cylinder device and rotates rapidly, aims at solar irradiation again.
As shown in Figure 4, be the operating load analysis chart of the embodiment of the invention.The operating load F of this single-axis solar irradiation automatic tracking system as we can see from the figure
1Can determine by following formula:
F
1=R
a+ R
m+ R
g+ R
a'+R
a", wherein:
R
a---the deadweight (because the device turning cylinder is positioned at the symmetrical centre of tracker flat board, balance substantially voluntarily) of tracker board device so conduct oneself with dignity in the turning cylinder both sides;
R
m---the startup stiction of tracker board device full load;
R
g---the startup inertia force of the dull and stereotyped full load of tracker (because the velocity of rotation of tracker is very slow, can think that speed approaches 0, so R
gApproximate 0);
R
a'---equilibrant force (balance tracker board device is because the equilibrant force that biasing is produced);
R
a"---hydraulic cylinder piston rod deadweight (under the proof strength condition, physical dimension is the smaller the better).
As shown in Figure 5, hydraulic cylinder piston rod 71 upper ends are spherical, tangent with the 13 inboard interlockings of helical pitch groove, and in helical pitch groove 13, do transverse movement, piston rod 71 both can promote also owing to can move up and down simultaneously, also can spur 13 displacements of helical pitch groove, simultaneously, and then can drive tracker dull and stereotyped 1 and rotate because helical pitch groove 13 is fixed on dull and stereotyped 1 bottom surface of tracker.
The structure chart of hydraulic cylinder as shown in Figure 6 as seen, 72, the 73 airtight respectively conduits 81,82 that are connected with of two chambers up and down of hydraulic cylinder device 7.The centre is a hydraulic cylinder piston.Along with the Freon gas that passes over by conduit, influence the variation of steam pressure and make that piston moves up and down in the hydraulic cylinder, and then drive dull and stereotyped rotation of tracker that the piston rod upper end links to each other.
As seen the stroke analysis chart of hydraulic cylinder piston as shown in Figure 7 determines that according to the sunshine-duration tracker flat position is traced into the tracking angle [alpha] (the best is from sun to sun followed the tracks of angle) of II-II by I-I.
If hydraulic cylinder piston fulcrum O
2To the dull and stereotyped helical pitch groove of tracker fulcrum O
1Between distance be R, piston stroke X then
Max=O
2O
2', so X
Max=R * α.
According to the applied environment of reality, the parameter of automatic tracking system of the present invention is done one exemplaryly determines:
Determining of operating temperature.According to Shihezi Area of Xinjiang " terrestrial climate data " statistics, average maximum air temperature is 42 ℃ in this area 10 years, and the lowest temperature is-40 ℃.So determine that maximum operating temperature is 50 ℃, minimum operating temperature is-40 ℃.This operating temperature range is adapted to overwhelming majority area fully.
The selection of low boiling working fluid (blanketing gas).Selection principle is: owing to use the geographical position difference of tracker, working environment and condition difference are bigger, and the boiling point of working medium and the selection of saturated vapor pressure are wanted suitably.Boiling point is low excessively, easily produces and reveals; Boiling point is too high, and system sensitivity is reduced, and generally selects for use boiling point under the normal pressure to be lower than the gas of applied environment temperature.For this reason, should select for use Freon 12, freon-22 or other known gaseous compounds as liquid working substance, it can satisfy job requirement substantially, and performance indications see the following form.
Saturated vapor pressure Ps (the unit: KPa) of F-12 under different temperatures
| -40℃ | -30℃ | -20℃ | -10℃ | 0℃ | 10℃ | 20℃ | 30℃ | 40℃ | 50℃ |
| 0.065 | 1.024 | 1.539 | 2.234 | 3.146 | 4.313 | 5.778 | 7.581 | 9.770 | 12.481 |
Determining of piston area.In order to make the system can be when the minimum operating temperature, so the saturated vapor pressure of working medium is P during minimum temperature from motion tracking and return
s, according to load F
lCan determine that the hydraulic cylinder piston area is: A=(aR
m+ R ")/(P
s* η
m).In the formula, η
mFor the hydraulic cylinder mechanical efficiency (is got η
m=0.8)
Determining of clarinet parameter.Clarinet is the sensor of temperature and pressure, and its design mainly is to determine caliber and pipe range (being heating surface area), in order to improve its tracking sensitivity, in the scope that structure allows, heating surface area is obtained greatly as far as possible; Clarinet material and coating select for use requirement big as far as possible to absorptivity, the thermal conductivity factor of solar radiation, reflectivity is as far as possible little, and the clarinet material has rotproofness to liquid working substance.In addition, it can also select the structure of other no heat-conduction effects for use with fixedlying connected of tracker flat board.
In addition, in the practical set process, conduit can be installed along base plate, from the conduction of support bracket internal stent, the support end that stretches out in the bottom is drawn, and it is indoor to insert the hydraulic cylinder upper and lower cavity respectively.Can reach the stable effect of overall system integration sealing like this, improve the reliability and stability of equipment.
And the helical pitch groove can make rectangular shape, and top land is laterally installed axle sleeve that both sides have small-sized rolling bearing in helical pitch groove inside, and bearing outside surface and helical pitch groove upper and lower surface are in contact with one another, and steady East China, so then is more conducive to transmission.
In sum, the present invention attempts from another angle, adopt Hydraulic Power Transmission System to replace original Electronic Control, driving device system to carry out the automatic track and localization of solar irradiation, efficiently solve the extra energy consumption that tradition relies on electric power control, drives, and problem such as complicated in mechanical structure, precision be not high, improved the energy utilization rate of solar energy greatly.And the present invention is also obvious have simple in structure, construction cost is cheap, easy to maintenance, dependable performance, tracking accuracy height and the user of service required plurality of advantages such as lower.Above accompanying drawing and explanation thereof only provide as embodiment, and its embodiment has diversity.So all simple modification or equivalent transformations that above embodiment is carried out, can realize the design of this creation purpose, all should include within the protection domain of present patent application.
Claims (8)
1. single-axis solar irradiation automatic tracking system, comprise tracker flat board, support bracket and be used for the connecting axle assembly that single axle rotation is connected tracker planar bottom surface center and support bracket, it is characterized in that: the dull and stereotyped edges at two ends of rotating relative to connecting axle of described tracker is respectively equipped with the shadow shield of bending, and is close to each shadow shield one identical gaseous state temperature sensors is set; And set firmly a hydraulic cylinder device on the described support bracket, be connected perpendicular to the rotating shaft center position by piston rod part and tracker planar bottom surface; Described two gaseous state temperature sensors are passed through upper and lower two chambers of the airtight access hydraulic cylinder device of conduit respectively.
2. single-axis solar irradiation automatic tracking system according to claim 1, it is characterized in that: described gaseous state temperature sensors is meant the airtight rigidity heat build-up clarinet that is filled with gas, and two gaseous state temperature sensors are identical to be meant that heat build-up clarinet shape, volume are identical, and same environment down in inflation body pressure identical.
3. single-axis solar irradiation automatic tracking system according to claim 2 is characterized in that: described blanketing gas is the gas that boiling point is lower than the applied environment temperature under the normal pressure, comprises F-12, freon-22 or other known gaseous compounds.
4. single-axis solar irradiation automatic tracking system according to claim 2, it is characterized in that: described heat build-up clarinet fixes with the tracker flat board by the clarinet cover of integrated setting on shadow shield, or by other syndeton that heat build-up clarinet does not have heat-conduction effect is fixed.
5. single-axis solar irradiation automatic tracking system according to claim 1 is characterized in that: described two conduits have flexible, and volume equates under the sealed at both ends state.
6. single-axis solar irradiation automatic tracking system according to claim 1 is characterized in that: described tracker planar bottom surface is being provided with the helical pitch groove perpendicular to the rotating shaft center position, and described piston rod part slides interlocking in the helical pitch groove.
7. the implementation method of single-axis solar irradiation automatic tracking system according to claim 1, it is characterized in that: described automatic tracking system comprises tracker flat board and shadow shield thereof, support bracket, connecting axle assembly, gaseous state temperature sensors, hydraulic cylinder device, and the conduit that connects gaseous state temperature sensors and the upper and lower chamber of hydraulic cylinder, and the piston rod part of hydraulic cylinder device is connected with the tracker planar bottom surface; Under the solar irradiation deflected condition, the described gaseous state temperature sensors in the dull and stereotyped two ends of the tracker inequality of under the shadow shield effect, being heated, the saturated vapor pressure of interior inflation body changes with temperature change, be passed to hydraulic cylinder device through conduit, pressure reduction by upper and lower two chambers of piston moving equilibrium, and then, make that tracker is dull and stereotyped to rotate, adjust the angle towards solar irradiation by pushing away on the piston rod top or drop-down.
8. the implementation method of single-axis solar irradiation automatic tracking system according to claim 7, it is characterized in that: described shadow shield effect refers to, after solar irradiation and the dull and stereotyped plumbness generation of tracker deflection, described shadow shield blocks, cuts down effect to heat build-up clarinet irradiated area, and inflation body saturated vapor pressure changes with temperature change in causing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100254558A CN101514850A (en) | 2009-03-05 | 2009-03-05 | Single-axis solar irradiation automatic tracking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100254558A CN101514850A (en) | 2009-03-05 | 2009-03-05 | Single-axis solar irradiation automatic tracking system |
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ID=41039402
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|---|---|---|---|
| CNA2009100254558A Pending CN101514850A (en) | 2009-03-05 | 2009-03-05 | Single-axis solar irradiation automatic tracking system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109852A (en) * | 2011-02-23 | 2011-06-29 | 江苏武进液压启闭机有限公司 | All-day automatic tracking system |
| CN103034239A (en) * | 2012-12-29 | 2013-04-10 | 李先强 | Solar plane sunward automatic tracking adjusting system |
| CN107045358A (en) * | 2017-04-25 | 2017-08-15 | 长沙捕光新能源科技有限公司 | The drive device of the passive linkage single shaft tracing system of solar energy |
| CN109491315A (en) * | 2018-12-06 | 2019-03-19 | 宁波上启信息技术有限公司 | A kind of building monitoring equipment that can be achieved to capture automatically |
| CN111981402A (en) * | 2020-08-07 | 2020-11-24 | 合肥保利新能源科技有限公司 | Hydraulic drive type photovoltaic offset assembly of solar street lamp |
-
2009
- 2009-03-05 CN CNA2009100254558A patent/CN101514850A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109852A (en) * | 2011-02-23 | 2011-06-29 | 江苏武进液压启闭机有限公司 | All-day automatic tracking system |
| CN102109852B (en) * | 2011-02-23 | 2013-07-24 | 江苏武进液压启闭机有限公司 | All-day automatic tracking system |
| CN103034239A (en) * | 2012-12-29 | 2013-04-10 | 李先强 | Solar plane sunward automatic tracking adjusting system |
| CN107045358A (en) * | 2017-04-25 | 2017-08-15 | 长沙捕光新能源科技有限公司 | The drive device of the passive linkage single shaft tracing system of solar energy |
| CN109491315A (en) * | 2018-12-06 | 2019-03-19 | 宁波上启信息技术有限公司 | A kind of building monitoring equipment that can be achieved to capture automatically |
| CN109491315B (en) * | 2018-12-06 | 2021-11-05 | 山东德昌电子科技有限公司 | Building monitoring equipment capable of realizing automatic capture |
| CN111981402A (en) * | 2020-08-07 | 2020-11-24 | 合肥保利新能源科技有限公司 | Hydraulic drive type photovoltaic offset assembly of solar street lamp |
| CN111981402B (en) * | 2020-08-07 | 2022-05-17 | 合肥保利新能源科技有限公司 | Hydraulic drive type photovoltaic offset assembly of solar street lamp |
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