CN114499397A - Double-sided power generation self-cleaning device and control method - Google Patents
Double-sided power generation self-cleaning device and control method Download PDFInfo
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- CN114499397A CN114499397A CN202210352850.2A CN202210352850A CN114499397A CN 114499397 A CN114499397 A CN 114499397A CN 202210352850 A CN202210352850 A CN 202210352850A CN 114499397 A CN114499397 A CN 114499397A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 88
- 238000010248 power generation Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000737 periodic effect Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000011514 reflex Effects 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- 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
- H02S40/10—Cleaning arrangements
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- 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
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
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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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Abstract
The invention discloses a double-sided power generation self-cleaning device and a control method thereof. The driving device is driven to rotate by the photovoltaic tracker, and the driving device drives the reflecting device to rotate so as to realize self-cleaning of the reflecting device, thereby reducing the adverse effects of dust and the like on the electric energy gain of the photovoltaic system caused by the reflecting device.
Description
Technical Field
The invention relates to the technical field of solar power generation, in particular to a double-sided power generation self-cleaning device. In addition, the invention also relates to a double-sided power generation self-cleaning device control method for the double-sided power generation self-cleaning device.
Background
With the large-scale construction of a solar photovoltaic power station, research and development of a photovoltaic panel are rapid, compared with a conventional single crystal battery, a photovoltaic module with double-sided power generation can improve the power generation efficiency, a photovoltaic tracking and reflector technology is derived for improving the efficiency of the photovoltaic module with double-sided power generation, but dust is converged on the surface of a reflector in the long-term use process, so that the generated energy gain of the reflector to the photovoltaic module is reduced, the reflective function is not fully exerted, and the exerted function is limited particularly under the climate conditions such as desert and the like.
In summary, a person skilled in the art needs to solve the problem that the power generation gain of the photovoltaic module is reduced due to the influence of dirt on the reflector.
Disclosure of Invention
In view of the above, the present invention provides a double-sided self-cleaning device, which can improve the power generation gain of the light-reflecting device to the photovoltaic system.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention also aims to provide a double-sided power generation self-cleaning device control method for the double-sided power generation self-cleaning device.
A double-sided power generation self-cleaning device comprises a photovoltaic tracker, a driving device and a reflecting device, wherein the driving device is used for driving the reflecting device to rotate, the input end of the driving device is connected with the photovoltaic tracker, and the output end of the driving device is connected with the reflecting device.
Preferably, the photovoltaic tracker is connected with one end of a first linkage piece, the other end of the first linkage piece is connected with a power input crank, and the power input crank is connected with the input end of the driving device.
Preferably, the output end of the driving device is connected with a power output crank, the power output crank is connected with one end of a second linkage member, and the other end of the second linkage member is connected with the light reflecting device.
Preferably, the side of the light reflecting device is provided with a hinged bearing seat.
Preferably, articulated bearing seat includes base, first bearing, second bearing and slide bearing, first bearing with the second bearing symmetrical setting, and both all overlap and locate the slide bearing outside, first bearing with the second bearing all is equipped with the flange hole that is used for the installation.
Preferably, the side of the light reflecting device is provided with a coupling member for coupling a plurality of the light reflecting devices.
Preferably, at least two of the light reflecting devices are connected with the connecting piece, and the driving device is connected with one of the light reflecting devices to drive the at least two light reflecting devices to rotate.
Preferably, the power take-off crank is connected to a purlin for securing the light reflecting device.
Preferably, the first linkage piece is connected with a rotating piece at any one of a tracker keel, a second purlin, an assembly, a diagonal brace or a rotor of the photovoltaic tracker.
Preferably, the first linkage member is a rigid piece of material and/or the second linkage member is a rigid piece of material.
Preferably, the first linkage member is a flexible piece of material and/or the second linkage member is a flexible piece of material.
Preferably, the driving device comprises a one-way driving device and a periodic direction changing device, the input end of the one-way driving device is connected with the photovoltaic tracker, the output end of the one-way driving device is connected with the input end of the periodic direction changing device, and the output end of the periodic direction changing device is connected with the reflecting device.
A control method of a double-sided power generation self-cleaning device is applied to the double-sided power generation self-cleaning device and comprises the following steps:
in the non-working time period, the photovoltaic tracker rotates to adjust the state and drives the reflecting device to reciprocate through the driving device;
in the working time period, the photovoltaic tracker rotates to track the sun, and controls the reflecting device to stand through the driving device;
the working time period is a time period when the light reflecting device gains the photovoltaic system to absorb light energy to generate electricity, and the non-working time period is a self-cleaning time period of the light reflecting device.
The double-sided power generation self-cleaning device comprises a photovoltaic tracker, a driving device and a reflecting device, wherein the input end of the driving device is connected with the photovoltaic tracker, and the output end of the driving device is connected with the reflecting device.
During the use, the photovoltaic tracker rotates, drives drive arrangement operation through the photovoltaic tracker, and drive arrangement's output drives the reflex reflector and rotates this moment.
The driving device is driven by the photovoltaic tracker, the reflecting device is driven by the driving device to rotate, and dust on the surface of the reflecting device can automatically fall down, so that the self-cleaning of the reflecting device is realized, the adverse effects of the dust and the like on the reduction of the generating capacity gain of the reflecting device on a photovoltaic system are improved, and the use effect of the reflecting device under the climatic conditions such as desert and the like is improved.
The invention also provides a control method of the double-sided power generation self-cleaning device for the double-sided power generation self-cleaning device, and the control method is applied to the double-sided power generation self-cleaning device, so that the double-sided power generation self-cleaning device has the same using effect as the double-sided power generation self-cleaning device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a double-sided power generating self-cleaning device provided by the present invention;
FIG. 2 is an isometric view of a double-sided power generating self-cleaning apparatus provided by the present invention;
FIG. 3 is an exploded view of the double-sided power generating self-cleaning device provided by the present invention;
FIG. 4 is a schematic structural diagram of a hinged bearing seat of the double-sided power generation self-cleaning device provided by the invention;
FIG. 5 is a schematic structural diagram of a bearing assembly of the double-sided power generation self-cleaning device provided by the invention;
FIG. 6 is a schematic diagram illustrating the operation of the double-sided power generating self-cleaning device provided by the present invention;
FIG. 7 is a schematic diagram of the end of the working period of the self-cleaning period of the double-sided power generation self-cleaning device provided by the present invention;
FIG. 8 is a schematic diagram of a self-cleaning period of the double-sided power generating self-cleaning apparatus provided by the present invention;
fig. 9 is a schematic diagram of the self-cleaning period ending status of the double-sided power generation self-cleaning device provided by the invention.
In FIGS. 1-9:
the device comprises a hinged bearing seat 1, a power output crank 2, a power input crank 3, a photovoltaic tracker 4, a first linkage piece 5, a second linkage piece 6, a purline 7, a reflecting device 8, a connecting piece 9, a driving device 10, a first bearing 11, a second bearing 12, a sliding bearing 13 and a tracker keel 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a double-sided power generation self-cleaning device, thereby improving and reducing the adverse effects of dust and the like on the generated energy gain of a photovoltaic system by reducing a reflecting device. The other core of the invention is to provide a double-sided power generation self-cleaning device control method for the double-sided power generation self-cleaning device.
Referring to fig. 1-9, fig. 1 is a schematic structural view of a double-sided power generation self-cleaning device; FIG. 2 is an isometric view; FIG. 3 is an exploded view; FIG. 4 is a schematic structural view of an articulated bearing block; FIG. 5 is a schematic view of a bearing assembly configuration; FIG. 6 is a schematic diagram of the operation of the double-sided power generating self-cleaning device; FIG. 7 is a schematic illustration of ending an operational period; FIG. 8 is a schematic illustration of a self-cleaning period; fig. 9 is a schematic diagram of the start-up period.
The application provides a pair of two-sided electricity generation is from cleaning device, including photovoltaic tracker 4, drive arrangement 10 and reflex reflector 8, drive arrangement 10 is used for driving reflex reflector 8 and rotates, and drive arrangement 10's input is connected with photovoltaic tracker 4, and drive arrangement 10's output is connected with reflex reflector 8.
Specifically, photovoltaic tracker 4 is installed on tracker fossil fragments 14, and drive arrangement 10 is located photovoltaic tracker 4's bottom and input and is connected with photovoltaic tracker 4, and reflector 8 is the reflector panel of rectangle, and its one side is connected with drive arrangement 10's output.
Six morning to nine morning, photovoltaic tracker 4 rotates 45 degrees-60 degrees from west to east, and photovoltaic tracker 4 drives drive arrangement 10 and rotates this moment, and drive arrangement 10 drives reflection of light device 8 and rotates around its side, makes reflection of light device 8 slope certain angle to make the dust on reflection of light device 8 surface fall along reflection of light device 8, realizes the self-cleaning of reflection of light device 8, and three afternoon to nine evening, reflection of light device 8 also carries out self-cleaning action.
Through photovoltaic tracker 4 and drive arrangement 10, can drive reflect light device 8 and rotate to realize the automatically cleaning, thereby improve reflect light device 8 and to the generated energy gain of power generation system, make reflect light device 8 can full play its effect under adverse circumstances such as desert, in addition, photovoltaic tracker 4 drives reflect light device 8 and carries out the automatically cleaning six am to nine am, three pm to nine pm, can avoid reflect light device 8 to carry out the automatically cleaning in photovoltaic tracker 4's normal operating time, and lead to the generated energy to reduce and increase the energy consumption.
Alternatively, the reflector 8 may be controlled to self-clean at other points in time.
Optionally, the rotation angle range of other photovoltaic trackers 4 may also be set according to requirements.
On the basis of the above embodiment, the photovoltaic tracker 4 is connected with the first linkage piece 5, the photovoltaic tracker 4 is connected with one end of the first linkage piece 5, the other end of the first linkage piece 5 is connected with the power input crank 3, and the power input crank 3 is connected with the input end of the driving device 10.
Specifically, the power input crank 3 is a stepped crank, a cross bar is transversely arranged at the end of the power input crank 3, one end of the power input crank 3 connected with the first linkage piece 5 is not located at the rotation center of the driving device 10, two ends of the cross bar are respectively connected with one end of the first linkage piece 5, the other end of the first linkage piece 5 is connected with the tracker keel 14, and the first linkage piece 5 and the power input crank 3 are in a vertical state.
When the photovoltaic tracker 4 rotates, the tracker keel 14 rotates the cross bar through the first linkage 5, and the cross bar drives the power input crank 3 to rotate around the axis perpendicular to the cross bar, so that power is transmitted to the driving device 10.
Because the photovoltaic tracker 4 is located above the driving device 10, the longitudinal transmission of power can be realized through the first linkage piece 5 and the power input crank 3, so as to ensure that the power of the photovoltaic tracker 4 can be smoothly transmitted to the driving device 10, and the driving device 10 can operate, and the end part of the power input crank 3 is not located at the rotation center of the driving device 10, so that the driving device 10 can be ensured to normally work, and meanwhile, the input end of the driving device 10 is prevented from being driven to deviate by the rotation of the photovoltaic tracker 4.
Alternatively, it is also possible to provide the first linkage piece 5 with another angle to the power input crank 3.
Alternatively, the power input crank 3 may be an arc or other shaped crank.
Alternatively, the first linkage piece 5 may also be connected to other components of the photovoltaic tracker 4.
In addition to the above embodiments, the output end of the driving device 10 is connected to the power output crank 2, the power output crank 2 is connected to one end of the second linkage member 6, and the other end of the second linkage member 6 is connected to the light reflecting device 8.
Specifically, the light reflecting device 8 is arranged below the driving device 10, the output end of the driving device 10 is connected with the power output crank 2, the power output crank 2 is a stepped shaft-shaped crank, the second linkage member 6 is arranged downwards perpendicular to the power output crank 2, one end of the second linkage member 6 is connected with the power output crank 2, the other end of the second linkage member is connected with the light reflecting device 8, and the end, connected with the second linkage member 6, of the power output crank 2 is not located at the rotation center of the driving device 10.
When the light reflecting device 8 is self-cleaned, the driving device 10 rotates to drive the power output crank 2 to rotate, and the power output crank 2 drives the light reflecting device 8 to rotate around the side edge of the light reflecting device 8, so that the self-cleaning of the light reflecting device 8 is realized.
Through the second linkage member 6 and the power output crank 2, the power output by the driving device 10 can be transmitted to the light reflecting device 8 positioned below the second linkage member, meanwhile, the occupied space of the whole device is saved, and in addition, the second linkage member 6 and the power output crank 2 are arranged vertically, so that the power of the driving device 10 can be transmitted to the light reflecting device 8 to the maximum extent.
Alternatively, the power take-off crank 2 may also be curved or otherwise shaped.
Alternatively, the second linkage member 6 may have other angles with the power take-off crank 2.
On the basis of the above described embodiment, the side of the light reflecting means 8 is provided with an articulated bearing seat 1.
Specifically, the side of the light reflecting device 8 is provided with the hinged bearing seat 1, and when the power output crank 2 drives the light reflecting device 8 to rotate, the light reflecting device 8 rotates by taking the hinged bearing seat 1 as a fulcrum, namely, the hinged bearing seat 1 is positioned at the bottom end of the light reflecting device 8 when lifted, and the hinged bearing seat 1 is arranged to provide a fulcrum for the rotation of the light reflecting device 8, so that the light reflecting device 8 can rotate.
On the basis of the above-mentioned embodiment, articulated bearing seat 1 includes base, first bearing 11, second bearing 12 and slide bearing 13, and first bearing 11 and second bearing 12 symmetry set up, and both all overlap and locate slide bearing 13 outside, and first bearing 11 and second bearing 12 all are equipped with the flange hole that is used for the installation.
Specifically, the bearing assembly comprises first bearing 11, second bearing 12 and slide bearing 13, and first bearing 11 and second bearing 12 symmetry set up, and both are equipped with and are used for the flange hole fixed with articulated bearing seat 1 or purlin 7, and slide bearing 13 locates between first bearing 11 and the second bearing 12, and slide bearing 13 is pressed in inside by first bearing 11 and the card of second bearing 12.
The bearing assembly consisting of the first bearing 11, the second bearing 12 and the sliding bearing 13 can further reduce the friction force between the connecting piece 9 and the hinged bearing seat 1, ensure the rotation between the two and improve the self-cleaning efficiency.
Specifically, first bearing 11 evenly is equipped with four flange holes along circumference, and second bearing 12 evenly is equipped with four flange holes along circumference equally, and first bearing 11 and second bearing 12 pass through the flange hole to be connected with hinged bearing frame 1 or purlin 7, and circumference evenly sets up four flange holes and can improve the stability of connecting.
Alternatively, the flange holes may be unevenly disposed.
Alternatively, two, three or another number of flange openings may be provided.
On the basis of the above-described embodiment, the side of the light reflecting means 8 is provided with a coupling piece 9 for coupling a plurality of light reflecting means 8.
Specifically, the connector 9 comprises a connecting shaft, the preferred connecting shaft is arranged on each of two sides of the light reflecting devices 8, the light reflecting devices 8 are connected with the connecting shaft through bearings, the light reflecting devices 8 can rotate simultaneously through the connector 9, the light reflecting devices 8 are connected into a whole through the connector 9, the structure is simple, and the production cost and the processing difficulty can be reduced.
Alternatively, a coupling 9 may be provided on one side of the light reflecting means 8.
Alternatively, the light reflecting means 8 may be hinged or otherwise connected to the coupling shaft.
On the basis of any one of the above schemes, at least two light reflecting devices 8 are connected with the connecting piece 9, and the driving device 10 is connected with one of the light reflecting devices 8 so as to drive the at least two light reflecting devices 8 to rotate.
Specifically, at least two light reflecting devices 8 are fixed on the same side of the connecting piece 9, and the driving device 10 is connected with one light reflecting device 8 at the end part, so that the other light reflecting devices 8 are driven to rotate through the light reflecting devices 8 at the end part and the connecting piece 9, that is, the power provided by the photovoltaic tracker 4 drives at least two light reflecting devices 8 to realize self-cleaning.
The driving device 10 drives at least two light reflecting devices 8 to rotate, so that the driving device 10 can drive a plurality of light reflecting devices 8 to carry out self-cleaning in one period, the self-cleaning efficiency of the light reflecting devices 8 is improved, the cost is reduced, and the driving device 10 drives the other light reflecting devices 8 to rotate together by connecting one light reflecting device 8, so that the pressure born by the driving device 10 can be reduced.
Optionally, the driving device 10 may be connected to the at least two light reflecting devices 8, respectively, and drive the at least two light reflecting devices 8 to rotate to realize self-cleaning.
In another embodiment, the power take-off crank 2 is connected to a purlin 7 for fixing the light reflecting means 8.
Concretely, power take off crank 2's output is connected with purlin 7, and purlin 7 is connected with articulated bearing frame 1, and reflex reflector 8 is fixed in the purlin 7 top, and power take off crank 2 passes through purlin 7 and drives reflex reflector 8 and rotate, and the length of purlin 7 is close with reflex reflector 8's width to provide the holding power for reflex reflector 8 better. The length of the optional purlin 7 may also be equal to the width of the reflector 8.
On the basis of any one of the above schemes, the first linkage member 5 is connected to a rotatable member at any one position of a second purline or assembly, a diagonal brace or a rotor of the photovoltaic tracker 4.
Specifically, one end of the first linkage piece 5 is connected with any one of the second purline or assembly of the photovoltaic tracker 4, or an inclined strut or a rotor, and the like, without limiting the connection point of the first linkage piece 5 and the photovoltaic tracker 4, so that the limitation influence caused by external factors such as the size, the shape and the field installation environment of different photovoltaic trackers 4 can be reduced in an adaptive manner, the compatibility is strong, the other end of the first linkage piece 5 is connected with the driving device 10, and the rotation power of the photovoltaic tracker 4 is transmitted to the driving device 10 through the first linkage piece 5.
In any of the above embodiments, the first linkage member 5 is a rigid material member, and/or the second linkage member 6 is a rigid material member.
Specifically, when the driving device 10 drives at least two light reflecting devices 8 to rotate, the first linkage member 5 is made of a rigid material and can ensure that enough strength can drive the driving device 10 to rotate, and the second linkage member 6 is made of a rigid material and can ensure that the second linkage member 6 can drive the light reflecting devices 8 to rotate, so that the second linkage member 6 is prevented from being broken in the process of driving the light reflecting devices 8 to rotate, self-cleaning of the light reflecting devices 8 is ensured, and self-cleaning efficiency is ensured.
Alternatively, the first linkage member 5 and the second linkage member 6 may be a connecting rod or the like.
In any of the above embodiments, the first linkage member 5 is a flexible material member, and/or the second linkage member 6 is a flexible material member.
Specifically, when the driving device 10 drives one light reflecting device 8 to rotate, the first linkage member 5 and the second linkage member 6 are both flexible material members, so that the driving device 10 and the light reflecting device 8 can be driven to operate, and meanwhile, the production cost can be reduced.
Alternatively, the first linkage member 5 and the second linkage member 6 may be of wire rope or the like.
On the basis of any one of the above schemes, the driving device 10 includes a one-way driving device and a periodic direction changing device, an input end of the one-way driving device is connected with the photovoltaic tracker 4, an output end of the one-way driving device is connected with an input end of the periodic direction changing device, and an output end of the periodic direction changing device is connected with the light reflecting device 8.
Specifically, the one-way driving device is connected with the periodic direction changing device, the one-way driving device can rotate along the clockwise direction or the anticlockwise direction, but the one-way driving device can transmit power to the periodic direction changing device only in one state, for example, when the one-way driving device rotates anticlockwise, the power is transmitted to the periodic direction changing device, so that the periodic direction changing device can drive the reflecting device 8 to rotate; when the one-way driving device rotates clockwise, the power cannot be transmitted to the periodic direction changing device, and the reflecting device 8 cannot rotate at the moment.
The periodic direction changing device rotates in a positive direction and also rotates in a reverse direction in a period, a transition time period is allowed in the middle, and the periodic direction changing device can drive the light reflecting device 8 to do reciprocating swing motion.
Six points in the morning to nine points in the morning, the photovoltaic tracker 4 rotates from west to east, at the moment, the one-way driving device can transmit power to the periodic direction changing device, and the periodic direction changing device transmits the power to the reflecting device 8, so that the reflecting device 8 is driven to carry out self-cleaning; from nine am to three pm, the unidirectional driving device cannot transmit power to the periodic direction changing device, and the reflecting device 8 does not act at the moment; three points in the afternoon to nine points in the evening, which is consistent with the actions from six points in the morning to nine points in the morning.
Through the matching use of the one-way driving device and the periodic direction changing device, the reflecting device 8 can not carry out self-cleaning within the normal working time of the photovoltaic tracker 4, and the self-cleaning time period can be controlled, so that the waste of energy consumption caused by the continuous swinging of the reflecting device 8 is avoided.
Alternatively, the one-way driving device can be a ratchet and pawl or an electric clutch and the like.
Optionally, the periodic direction changing device may be a compound gear intermittent mechanism or an electromagnetic relay direction changing device.
Alternatively, other self-cleaning time periods of the reflector 8 may be set according to the requirement.
The application also provides a control method of the double-sided power generation self-cleaning device, which is applied to the double-sided power generation self-cleaning device and comprises a non-working time period and a working time period, wherein in the non-working time period, the photovoltaic tracker 4 rotates to adjust the state, and drives the reflecting device 8 to reciprocate through the driving device 10; in the working period, the photovoltaic tracker 4 rotates to track the sun, and controls the reflecting device 8 to stand through the driving device 10;
the working time period is a time period when the light reflecting device 8 absorbs light energy to generate electricity, and the non-working time period is a self-cleaning time period of the light reflecting device 8.
Specifically, in the non-working time period, the photovoltaic tracker 4 comprises two parts, namely morning and evening, the states of the photovoltaic tracker 4 are adjusted in the two parts, and in the morning, the photovoltaic tracker 4 rotates from west to east and inclines at a certain angle to find the rising position of the sun, so that the photovoltaic tracker 4 can completely track the sun in the working time period; at night, the photovoltaic tracker 4 rotates from west to east to a flat state to bring the photovoltaic tracker 4 into a rest state.
When the self-cleaning device is in a working time period, the photovoltaic tracker 4 rotates along with the sun, and at the moment, the power of the photovoltaic tracker 4 cannot be transmitted to the reflecting device 8 through the driving device 10, so that the reflecting device 8 is horizontally placed and is statically placed on the purline 7 in the working time period, and the photovoltaic system is increased to absorb light energy to realize power generation; when the self-cleaning device is in a non-working time period, namely, the photovoltaic tracker 4 is in a state adjustment time period, the photovoltaic tracker 4 rotates from west to east, so that the light reflecting device 8 is driven to reciprocate around the connecting piece 9, the purpose of dropping impurities such as dust on the surface of the light reflecting device 8 is achieved, and self-cleaning of the light reflecting device 8 is achieved.
The self-cleaning of the light reflecting device 8 is arranged in the state adjusting time period of the photovoltaic tracker 4, so that the light reflecting device 8 can be prevented from doing reciprocating motion in the working time period to influence the normal power generation lifting and energy consumption of the light reflecting material, meanwhile, after the light reflecting material is cleaned, the photovoltaic tracker 4 starts normal power generation work, and the generated energy is further improved by utilizing the self-cleaning technology.
It should be noted that, when the light reflecting device 8 is in a working state, the photovoltaic tracker 4 normally tracks the rotation of the sun, and at this time, the light reflecting device 8 is horizontally fixed; when the reflecting device 8 is in a self-cleaning state, the reflecting device 8 is driven by the photovoltaic tracker 4 to do reciprocating motion of lifting and falling. The movement of the light reflecting device 8 is not dependent on the rotation direction of the photovoltaic tracker 4, but not on the angle. In a specific embodiment, the photovoltaic tracker 4 rotates from east (45 degrees or 60 degrees towards east) to west (45 degrees or 60 degrees towards west), the light reflecting device 8 is fixed, and the photovoltaic tracker 4 rotates from west (45 degrees or 60 degrees towards west) to east (45 degrees or 60 degrees towards east), and the light reflecting device 8 is driven to reciprocate. Referring to fig. 7-9, since the double-sided self-cleaning device for power generation provided by the present application does not limit the initial state and the end state of the photovoltaic tracker 4 when the self-cleaning operation is performed, and whether the light reflection device 8 rotates or not is only related to the rotation direction of the photovoltaic tracker 4, when the photovoltaic tracker 4 starts self-cleaning in the evening of the first day, the state of the photovoltaic tracker 4 is tilted to the west by a certain angle, i.e. to the right in fig. 7, and when the self-cleaning of the photovoltaic tracker 4 continues to the next morning, the state of the photovoltaic tracker 4 is tilted to the east by a certain angle, i.e. to the left in fig. 9. During the whole self-cleaning period, when the photovoltaic tracker 4 rotates from west to east, the photovoltaic tracker 4 will be in a horizontal state, i.e. towards the upper side in fig. 8, and since the photovoltaic tracker 4 rotates from west to east during the whole process, the driving device 10 can drive the light reflecting device 8 to rotate to realize self-cleaning.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The double-sided power generation self-cleaning device and the control method provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (13)
1. The double-sided power generation self-cleaning device is characterized by comprising a photovoltaic tracker (4), a driving device (10) and a reflecting device (8), wherein the driving device (10) is used for driving the reflecting device (8) to rotate, the input end of the driving device (10) is connected with the photovoltaic tracker (4), and the output end of the driving device (10) is connected with the reflecting device (8).
2. Double sided power generating self cleaning device according to claim 1, wherein the photovoltaic tracker (4) is connected to one end of a first linkage (5), the other end of the first linkage (5) being connected to a power input crank (3), the power input crank (3) being connected to an input of the driving device (10).
3. The double-sided power generation self-cleaning device according to claim 2, wherein the output end of the driving device (10) is connected with a power output crank (2), the power output crank (2) is connected with one end of a second linkage member (6), and the other end of the second linkage member (6) is connected with the light reflecting device (8).
4. A double sided self cleaning device, generating electricity according to claim 3, characterized in that the side of the light reflecting device (8) is provided with hinged bearing seats (1).
5. The double-sided power generation self-cleaning device according to claim 4, wherein the hinged bearing seat (1) comprises a base, a first bearing (11), a second bearing (12) and a sliding bearing (13), the first bearing (11) and the second bearing (12) are symmetrically arranged and both are sleeved outside the sliding bearing (13), and the first bearing (11) and the second bearing (12) are provided with flange holes for installation.
6. Double sided self cleaning device according to claim 4, wherein the side of the light reflecting means (8) is provided with coupling means (9) for coupling a plurality of the light reflecting means (8).
7. Double sided self cleaning device according to claim 6, wherein at least two light reflecting means (8) are connected to the coupling member (9) and the driving means (10) is connected to one light reflecting means (8) for rotating at least two light reflecting means (8).
8. A double sided self cleaning apparatus, according to claim 3, characterized by the power take off crank (2) connected to purlins (7) for fixing the light reflecting means (8).
9. Double sided self cleaning apparatus as claimed in any of claims 2-8, wherein the first linkage (5) is connected to a rotating member of any of the tracker keel (14) or second purlin or assembly or diagonal brace or rotor of the photovoltaic tracker (4).
10. A double sided self cleaning apparatus according to any of claims 3-8, wherein the first linkage member (5) is a rigid material and/or the second linkage member (6) is a rigid material.
11. A double sided self cleaning apparatus according to any of claims 3-8, wherein the first linkage member (5) is a piece of flexible material and/or the second linkage member (6) is a piece of flexible material.
12. Double sided self cleaning device according to any of the claims 1 to 8, wherein said driving means (10) comprises a one way driving means and a periodic direction changing means, the input of said one way driving means is connected to said photovoltaic tracker (4), the output of said one way driving means is connected to the input of said periodic direction changing means, the output of said periodic direction changing means is connected to said light reflecting means (8).
13. A control method of a double-sided power generation self-cleaning device, which is applied to the double-sided power generation self-cleaning device of any one of claims 1 to 12, and comprises the following steps:
in the non-working time period, the photovoltaic tracker (4) rotates to adjust the state, and the driving device (10) drives the reflecting device (8) to do reciprocating motion;
in the working time period, the photovoltaic tracker (4) rotates to track the sun, and the reflecting device (8) is controlled to stand by the driving device (10);
the working time period is a time period when the light reflecting device (8) gains the photovoltaic system to absorb light energy to generate electricity, and the non-working time period is a self-cleaning time period of the light reflecting device (8).
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| JP2002286916A (en) * | 2001-03-28 | 2002-10-03 | Sekisui Jushi Co Ltd | Self-cleanable beam-condensing reflector and solar light collecting power generator |
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| CN114217558A (en) * | 2021-12-14 | 2022-03-22 | 杭州华鼎新能源有限公司 | Tracking type photovoltaic support control system |
| CN216390902U (en) * | 2021-12-16 | 2022-04-26 | 江苏中信博新能源科技股份有限公司 | Photovoltaic support suitable for double-sided assembly |
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| JP2002286916A (en) * | 2001-03-28 | 2002-10-03 | Sekisui Jushi Co Ltd | Self-cleanable beam-condensing reflector and solar light collecting power generator |
| WO2004091816A1 (en) * | 2003-04-16 | 2004-10-28 | Institut für Luft- und Kältetechnik gGmbH | Cleaning arrangement for photovoltaic generators and solar collectors |
| JP2015081732A (en) * | 2013-10-23 | 2015-04-27 | 三鷹光器株式会社 | Method and mechanism for cleaning mirror of solar light collecting device |
| CN112260643A (en) * | 2020-12-07 | 2021-01-22 | 南京天创电子技术有限公司 | Self-cleaning device capable of automatically cleaning ground reflective film of photovoltaic module |
| CN114217558A (en) * | 2021-12-14 | 2022-03-22 | 杭州华鼎新能源有限公司 | Tracking type photovoltaic support control system |
| CN216390902U (en) * | 2021-12-16 | 2022-04-26 | 江苏中信博新能源科技股份有限公司 | Photovoltaic support suitable for double-sided assembly |
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