CN105553402A - Photovoltaic power generation device - Google Patents
Photovoltaic power generation device Download PDFInfo
- Publication number
- CN105553402A CN105553402A CN201610078018.2A CN201610078018A CN105553402A CN 105553402 A CN105553402 A CN 105553402A CN 201610078018 A CN201610078018 A CN 201610078018A CN 105553402 A CN105553402 A CN 105553402A
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- China
- Prior art keywords
- oil
- rectangular frame
- pressure
- lifting bar
- power generation
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- 238000010248 power generation Methods 0.000 title claims abstract description 17
- 230000004308 accommodation Effects 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001932 seasonal effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic power generation device, which comprises a rectangular photovoltaic panel, a rectangular frame, four hydraulic lifting rods and adjusting units, wherein the photovoltaic panel is arranged on the front surface of the rectangular frame; hemispherical lug bosses with accommodating spaces are arranged at the left front end, the left rear end, the right front part and the right rear end of the back surface of the rectangular frame; a sphere body clamped in the accommodating space of each lug boss is arranged at the upper end of any hydraulic lifting rod; the lower end of each hydraulic lifting rod is connected with the upper end of a universal joint; the lower end of each universal joint is fixed on the ground through a fixing rod; each adjusting unit comprises an annular track, a slide block and a telescopic connecting rod; each annular track is arranged on the periphery of the corresponding fixing rod; each slide block is arranged on the corresponding annular track in a sliding manner; each telescopic connecting rod is pivoted to the corresponding slide block; the upper end of each connecting rod is hinged with a hoop; and each hoop sleeves the corresponding hydraulic lifting rod. The photovoltaic power generation device has the characteristics of being flexible in form, convenient to operate and convenient to maintain.
Description
Technical field
The present invention relates to photovoltaic devices.More particularly, the present invention relates to a kind of photovoltaic power generation apparatus regulating solar photovoltaic assembly angle.
Background technology
Along with the development of solar energy industry, solar energy is used for family electricity generation system and power station electricity generation system will be more and more extensive, adopt for solar photovoltaic assembly fixed form major part at present and be fixed on roof or be fixed on special solar photovoltaic assembly support, roof and special solar photovoltaic assembly support major part all can not regulate setting angle, in different regions, Various Seasonal, the angle change of solar irradiation, solar photovoltaic assembly angle immobilization and cause solar components generating efficiency not reach the best, in strong wind area, when wind-force is large, the lifting surface area of photovoltaic module is large, the Wind impact stood is large, therefore easily photovoltaic module is damaged, need often to change, thus waste a lot of financial resource and material resource.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of photovoltaic power generation apparatus that can regulate photovoltaic panel angle in a big way, realizes solar photovoltaic assembly rack standard, occupies little space, reduce the problems such as its cost.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of photovoltaic power generation apparatus, comprising:
Photovoltaic panel, this photovoltaic panel is rectangle;
Rectangular frame, wherein said photovoltaic panel is arranged on the front of rectangular frame, left front, left back, the right front and right rear end at the back side of described rectangular frame all arranges a hemispheric lug boss, the planar section of lug boss described in any one is connected with described rectangular frame, curvature portion is provided with a circular open, forms a spatial accommodation;
Four oil-pressure lifting bars, correspondence is arranged on below four lug bosses of described rectangular frame, the upper end of oil-pressure lifting bar described in any one arrange Radius between the planar section and the radius of described circular open of described lug boss, spheroid in the spatial accommodation that is fastened on the described lug boss corresponding with it, the lower end of described oil-pressure lifting bar connects the upper end of universal joint, the lower end of described universal joint is fixed on the ground by a fixed lever, and described oil-pressure lifting bar stretches along its axial direction; And
Regulon, comprise: arrange on the ground and be positioned at described fixed lever periphery circular orbit, be slidably arranged in the slide block on described circular orbit and be articulated in the telescopic connecting rod on described slide block, upper end thereof cranse of described connecting rod, the sheathed described oil-pressure lifting bar of described cranse.
Preferably, described oil-pressure lifting bar comprises the support arm supporting described rectangular frame, the oil cylinder holding described support arm and is communicated with the oil hydraulic system of oil cylinder;
Wherein, described support arm is multiple stage supporting arm.
Preferably, described connecting rod is electric sleeve barrel formula expansion link.
Preferably, the angle α between described photovoltaic panel and horizontal plane is 0≤α≤60 °.
Preferably, the back side of described rectangular frame is uniformly distributed several circular salient points.
Preferably, the back side of described rectangular frame also arranges several wind whistles, and any one wind whistle and described salient point are arranged non-interferencely.
Preferably, described photovoltaic power generation apparatus, also comprise the alarm lamp of four pressure inductors and four belt switches, described pressure inductor is separately positioned on the position of described rectangular frame and four described oil-pressure lifting bar upper-end contact, and alarm lamp described in any one is arranged on described oil-pressure lifting bar;
Wherein, described regulon also comprises single-chip microcomputer, itself and all described pressure inductors and alarm lamp data cube computation, described single-chip microcomputer preset pressure threshold value, when the pressure overpressure threshold value that the pressure inductor at least one oil-pressure lifting bar place gathers, described Single-chip Controlling switch open alarm lamp.
The present invention at least comprises following beneficial effect: by regulating the height of oil-pressure lifting bar, photovoltaic panel is moved up and down, due to the existence of universal joint and regulon, oil-pressure lifting bar is rotated, thus further increase the range of movement of photovoltaic panel, make solar photovoltaic assembly can be adapted to different latitude area, Various Seasonal is installed and is regulated, owing to adding pressure inductor and alarm lamp between oil-pressure lifting bar and rectangular frame, when wind-force is larger, the pressure at oil-pressure lifting bar place exceedes warning value, then alarm lamp is started working, staff is reminded to adjust the height of oil-pressure lifting bar, make the angle on photovoltaic module and ground and less with the contact angle of fluid wind.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is side-looking structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification word to make those skilled in the art.
It should be noted that experimental technique described in following embodiment if no special instructions, is conventional method, described reagent and material, if no special instructions, all can obtain from commercial channels; In describing the invention, term " transverse direction ", " longitudinal direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, be not indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
As shown in Figure 1, the invention provides a kind of photovoltaic power generation apparatus, comprising:
Photovoltaic panel 1, this photovoltaic panel 1 is rectangle, and for being electric energy by transform light energy, the electrical power storage after conversion is in storage battery, and described storage battery can need to be powered by power-actuated parts in the present invention;
Rectangular frame 2, wherein said photovoltaic panel 1 is arranged on the front of rectangular frame 2, left front, left back, the right front and right rear end at the back side of described rectangular frame 2 all arranges a hemispheric lug boss 3, the planar section of lug boss 3 described in any one is connected with described rectangular frame 2, curvature portion is provided with a circular open, forms a spatial accommodation;
Four oil-pressure lifting bars 4, correspondence is arranged on below four lug bosses 3 of described rectangular frame 2, the upper end of oil-pressure lifting bar 4 described in any one arrange Radius between the planar section and the radius of described circular open of described lug boss 3, spheroid 5 in the spatial accommodation that is fastened on the described lug boss 3 corresponding with it, the lower end of described oil-pressure lifting bar 4 connects the upper end of universal joint 6, the lower end of described universal joint 6 is fixed on the ground by a fixed lever, and described oil-pressure lifting bar 4 stretches along its axial direction; And
Regulon, comprise: arrange on the ground and be positioned at the circular orbit 7 of fixed lever periphery, described universal joint 6 lower end, the telescopic connecting rod 9 being slidably arranged in the slide block 8 on described circular orbit 7 and being articulated on described slide block 8, the upper end thereof one of described connecting rod 9 can change the cranse 10 of radius, the sheathed described oil-pressure lifting bar 4 of described cranse 10, described cranse 10 can be form by two semicircular rubber hoop bodies are hinged in end, the surface uniform of one of them rubber hoop body is provided with hole, the end of another rubber hoop body is provided with mobilizable latch, form the structure of similar watchband, thus realize the change of cranse 10 radius.
In technique scheme, the method that photovoltaic panel 1 and the angle of horizontal plane reduce is divided into and two the oil-pressure lifting bars 4 being positioned at front end is raised and two the oil-pressure lifting bars 4 being positioned at rear end are reduced this two modes, now show in the first manner: the cranse 10 of two connecting rod 9 upper end thereof in front end is removed lock ring state, open the oil hydraulic system being positioned at two oil-pressure lifting bars 4 of front end simultaneously, oil-pressure lifting bar 4 is extended gradually, meanwhile, cranse 10 no longer limits the motion of oil-pressure lifting bar 4, slide block 8 is moved to the positive front end of slide rail, shrink two connecting rods 9 being positioned at front end, make cranse 10 slide downward, the oil-pressure lifting bar 4 of front end turns forward, the power output controlling two oil hydraulic systems is consistent, therefore two oil-pressure lifting bars 4 of front end synchronously turn forward, also would not occur to lopsided situation, the front end of photovoltaic panel 1 is raised gradually, realize photovoltaic panel 1 thus to reduce with the angle of horizontal plane, when arriving satisfied angle, by cranse 10 lock ring.
Photovoltaic panel 1 is realized the method that side is high compared with opposite side, now show to left low right height with debugging: the cranse 10 of left end two connecting rod 9 upper end thereof is removed lock ring state, open the oil hydraulic system of two the oil-pressure lifting bars 4 being positioned at left side simultaneously, oil-pressure lifting bar 4 is shortened gradually, meanwhile, cranse 10 no longer limits the motion of oil-pressure lifting bar 4, slide block 8 is moved to the positive left side of slide rail, shrink two connecting rods 9 being positioned at left side, make cranse 10 slide downward, the oil-pressure lifting bar 4 in left side is tilted to the left, control the power output of two oil hydraulic systems, the inclination angle speed of two oil-pressure lifting bars 4 is consistent, the left side of photovoltaic panel 1 reduces gradually, realize the left low right height of photovoltaic panel 1 thus, when arriving satisfied angle, by cranse 10 lock ring.
In another kind of technical scheme, described oil-pressure lifting bar 4 comprises the support arm 401 supporting described rectangular frame 2, the oil cylinder 402 holding described support arm 401 and is communicated with the oil hydraulic system 403 of oil cylinder 402;
Wherein, described support arm 401 is multiple stage supporting arm.In the technical program, controlled elongation and the retraction of support arm by process oil pressing system, multiple stage supporting arm is effectively to prevent from support arm rapid elongation and retract causing damage to oil-pressure lifting bar compared with the advantage of single-stage support arm.
In another kind of technical scheme, described connecting rod 9 is electric sleeve barrel formula expansion link.
In another kind of technical scheme, the angle α between described photovoltaic panel 1 and horizontal plane is 0≤α≤60 °.If photovoltaic panel 1 is excessive with the angle of horizontal plane, then easily damaged by strong wind, the area of photovoltaic panel needs very large simultaneously, and this is obviously unfavorable for regular maintenance and preparation.
In another kind of technical scheme, the back side of described rectangular frame 2 is uniformly distributed several circular salient points, the existence of these salient points can upset wind-force, and then add the time of wind at rectangular frame 2, because the efficiency of photovoltaic panel 1 and temperature have comparatively Important Relations, when photovoltaic panel 1 temperature is higher, the energy conversion efficiency of photovoltaic panel 1 can reduce, therefore design the heat radiation that these salient points can promote photovoltaic panel 1, improve the efficiency of photovoltaic panel 1.
In another kind of technical scheme, the back side of described rectangular frame 2 also arranges several wind whistles, any one wind whistle and described salient point are arranged non-interferencely, the existence at the wind whistle can send birdie when running into wind, there is the effect of driving bird, and have suddenly big or suddenly small due to wind, so birdie is also suddenly big or suddenly small, the probability that birds produce adaptive capacity can be reduced.
Photovoltaic power generation apparatus of the present invention, also comprise the alarm lamp of four pressure inductors and four belt switches, described pressure inductor is separately positioned on the position of described rectangular frame 2 and four described oil-pressure lifting bar 4 upper-end contact, and alarm lamp described in any one is arranged on described oil-pressure lifting bar 4;
Wherein, described regulon also comprises single-chip microcomputer, itself and all described pressure inductors and alarm lamp data cube computation, described single-chip microcomputer preset pressure threshold value, when the pressure overpressure threshold value that the pressure inductor at least one oil-pressure lifting bar 4 place gathers, described Single-chip Controlling switch open alarm lamp.
The present invention at least comprises following beneficial effect: by regulating the height of oil-pressure lifting bar, photovoltaic panel is moved up and down, due to the existence of universal joint and regulon, oil-pressure lifting bar is rotated, thus further increase the range of movement of photovoltaic panel, make solar photovoltaic assembly can be adapted to different latitude area, Various Seasonal is installed and is regulated, owing to adding pressure inductor and alarm lamp between oil-pressure lifting bar and rectangular frame, when wind-force is larger, the pressure at oil-pressure lifting bar place exceedes warning value, then alarm lamp is started working, staff is reminded to adjust the height of oil-pressure lifting bar, make the angle on photovoltaic module and ground and less with the contact angle of fluid wind.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a photovoltaic power generation apparatus, is characterized in that, comprising:
Photovoltaic panel, this photovoltaic panel is rectangle;
Rectangular frame, wherein said photovoltaic panel is arranged on the front of rectangular frame, left front, left back, the right front and right rear end at the back side of described rectangular frame all arranges a hemispheric lug boss, the planar section of lug boss described in any one is connected with described rectangular frame, curvature portion is provided with a circular open, forms a spatial accommodation;
Four oil-pressure lifting bars, correspondence is arranged on below four lug bosses of described rectangular frame, the upper end of oil-pressure lifting bar described in any one arrange Radius between the planar section and the radius of described circular open of described lug boss, spheroid in the spatial accommodation that is fastened on the described lug boss corresponding with it, the lower end of described oil-pressure lifting bar connects the upper end of universal joint, the lower end of described universal joint is fixed on the ground by a fixed lever, and described oil-pressure lifting bar stretches along its axial direction; And
Regulon, comprise: arrange on the ground and be positioned at described fixed lever periphery circular orbit, be slidably arranged in the slide block on described circular orbit and be articulated in the telescopic connecting rod on described slide block, upper end thereof cranse of described connecting rod, the sheathed described oil-pressure lifting bar of described cranse.
2. photovoltaic power generation apparatus as claimed in claim 1, is characterized in that, described oil-pressure lifting bar comprises the support arm supporting described rectangular frame, the oil cylinder holding described support arm and is communicated with the oil hydraulic system of oil cylinder;
Wherein, described support arm is multiple stage supporting arm.
3. photovoltaic power generation apparatus as claimed in claim 1, it is characterized in that, described connecting rod is electric sleeve barrel formula expansion link.
4. photovoltaic power generation apparatus as claimed in claim 1, it is characterized in that, the angle α between described photovoltaic panel and horizontal plane is 0≤α≤60 °.
5. photovoltaic power generation apparatus as claimed in claim 1, it is characterized in that, the back side of described rectangular frame is uniformly distributed several circular salient points.
6. photovoltaic power generation apparatus as claimed in claim 5, it is characterized in that, the back side of described rectangular frame also arranges several wind whistles, and any one wind whistle and described salient point are arranged non-interferencely.
7. photovoltaic power generation apparatus as claimed in claim 1, it is characterized in that, also comprise the alarm lamp of four pressure inductors and four belt switches, described pressure inductor is separately positioned on the position of described rectangular frame and four described oil-pressure lifting bar upper-end contact, and alarm lamp described in any one is arranged on described oil-pressure lifting bar;
Wherein, described regulon also comprises single-chip microcomputer, itself and all described pressure inductors and alarm lamp data cube computation, described single-chip microcomputer preset pressure threshold value, when the pressure overpressure threshold value that the pressure inductor at least one oil-pressure lifting bar place gathers, described Single-chip Controlling switch open alarm lamp.
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CN201610078018.2A CN105553402B (en) | 2016-02-04 | 2016-02-04 | Photovoltaic power generation apparatus |
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CN201610078018.2A CN105553402B (en) | 2016-02-04 | 2016-02-04 | Photovoltaic power generation apparatus |
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CN105553402B CN105553402B (en) | 2017-10-13 |
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CN105790688A (en) * | 2016-05-26 | 2016-07-20 | 上海绿筑光能系统技术有限责任公司 | Connecting device of solar photovoltaic system |
CN106059465A (en) * | 2016-08-17 | 2016-10-26 | 四川英发太阳能科技有限公司 | Polycrystalline silicon solar cell carrying equipment |
CN106059464A (en) * | 2016-08-17 | 2016-10-26 | 四川英发太阳能科技有限公司 | Operating method for nano-structure solar cell chip based on silicon nitride film |
CN106100545A (en) * | 2016-08-17 | 2016-11-09 | 四川英发太阳能科技有限公司 | A kind of solar battery sheet of high optoelectronic conversion ratio |
CN106100559A (en) * | 2016-08-26 | 2016-11-09 | 张家港市互惠光电有限公司 | A kind of for adjustable solar photovoltaic bracket |
CN106100544A (en) * | 2016-08-17 | 2016-11-09 | 四川英发太阳能科技有限公司 | A kind of solar energy single crystal cell piece based on anticollision mechanism |
CN106130450A (en) * | 2016-08-26 | 2016-11-16 | 张家港市互惠光电有限公司 | Solar photovoltaic bracket |
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CN106208929A (en) * | 2016-08-17 | 2016-12-07 | 四川英发太阳能科技有限公司 | A kind of device of the novel solar battery chip being provided with nanostructured |
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CN105790688A (en) * | 2016-05-26 | 2016-07-20 | 上海绿筑光能系统技术有限责任公司 | Connecting device of solar photovoltaic system |
CN106253813A (en) * | 2016-08-17 | 2016-12-21 | 四川英发太阳能科技有限公司 | A kind of use polysilicon solar cell chip method |
CN106059465A (en) * | 2016-08-17 | 2016-10-26 | 四川英发太阳能科技有限公司 | Polycrystalline silicon solar cell carrying equipment |
CN106059464A (en) * | 2016-08-17 | 2016-10-26 | 四川英发太阳能科技有限公司 | Operating method for nano-structure solar cell chip based on silicon nitride film |
CN106100545A (en) * | 2016-08-17 | 2016-11-09 | 四川英发太阳能科技有限公司 | A kind of solar battery sheet of high optoelectronic conversion ratio |
CN106100544A (en) * | 2016-08-17 | 2016-11-09 | 四川英发太阳能科技有限公司 | A kind of solar energy single crystal cell piece based on anticollision mechanism |
CN106301189A (en) * | 2016-08-17 | 2017-01-04 | 四川英发太阳能科技有限公司 | Solar battery sheet for the solar power system in outlying district |
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CN106208930A (en) * | 2016-08-17 | 2016-12-07 | 四川英发太阳能科技有限公司 | A kind of application process of low temperature resistant monocrystaline silicon solar cell |
CN106100559A (en) * | 2016-08-26 | 2016-11-09 | 张家港市互惠光电有限公司 | A kind of for adjustable solar photovoltaic bracket |
CN106130450A (en) * | 2016-08-26 | 2016-11-16 | 张家港市互惠光电有限公司 | Solar photovoltaic bracket |
CN107040194A (en) * | 2017-04-10 | 2017-08-11 | 南通欧贝黎新能源电力股份有限公司 | A kind of photovoltaic generating system |
CN108736821A (en) * | 2018-07-10 | 2018-11-02 | 苏州太阳井新能源有限公司 | A kind of high-efficiency solar-powered photovoltaic case with cleaning function |
CN108809211A (en) * | 2018-07-11 | 2018-11-13 | 苏州太阳井新能源有限公司 | A kind of photovoltaic case with long-range remote control function |
CN108880438A (en) * | 2018-07-12 | 2018-11-23 | 苏州太阳井新能源有限公司 | A kind of photovoltaic case |
CN109412512A (en) * | 2018-10-22 | 2019-03-01 | 正信光电科技股份有限公司 | A kind of position adjusting mechanism for photovoltaic module |
CN111167807A (en) * | 2018-11-12 | 2020-05-19 | 北京北方华创微电子装备有限公司 | Lifting device and cleaning system |
CN111510058A (en) * | 2020-06-08 | 2020-08-07 | 杭州光仿科技有限公司 | Automatic emergency device for photovoltaic power generation system in strong wind |
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