CN116182097A - Solar lighting power generation system based on optical fiber and use method - Google Patents
Solar lighting power generation system based on optical fiber and use method Download PDFInfo
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- CN116182097A CN116182097A CN202310247410.5A CN202310247410A CN116182097A CN 116182097 A CN116182097 A CN 116182097A CN 202310247410 A CN202310247410 A CN 202310247410A CN 116182097 A CN116182097 A CN 116182097A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S19/00—Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa
- F21S19/005—Combining sunlight and electric light sources for indoor illumination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight
- F21S11/002—Non-electric lighting devices or systems using daylight characterised by the means for collecting or concentrating the sunlight, e.g. parabolic reflectors or Fresnel lenses
- F21S11/005—Non-electric lighting devices or systems using daylight characterised by the means for collecting or concentrating the sunlight, e.g. parabolic reflectors or Fresnel lenses with tracking means for following the position of the sun
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight
- F21S11/007—Non-electric lighting devices or systems using daylight characterised by the means for transmitting light into the interior of a building
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/032—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being separate from the lighting unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
- F21V2200/13—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type the light being emitted at the end of the guide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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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
- Y02E10/52—PV systems with concentrators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Architecture (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a solar lighting power generation system based on optical fibers and a use method thereof, wherein the solar lighting power generation system comprises a lighting plate, the lighting plate is fixedly connected with a group of uniformly distributed Fresnel lenses I, the lighting plate is fixedly connected with a sunlight tracking sensor, a support is fixedly connected with a horizontal angle stepping motor, the support is fixedly connected with a reduction gearbox II, an output shaft of the horizontal angle stepping motor is fixedly connected with an input shaft of the reduction gearbox II, an output shaft of the reduction gearbox II is fixedly connected with a support, the support is fixedly connected with a height angle stepping motor, and the support is fixedly connected with the reduction gearbox I. The invention relates to the field of solar power generation equipment, in particular to a solar lighting power generation system based on optical fibers and a use method thereof. The invention aims to provide a solar lighting power generation system based on optical fibers and a use method thereof, which are beneficial to realizing solar lighting power generation.
Description
Technical Field
The invention relates to the field of solar power generation equipment, in particular to a solar lighting power generation system based on optical fibers and a use method thereof.
Background
The traditional natural lighting modes such as windows, skylights and the like can not meet the indoor lighting requirements of high-rise and dense buildings, and have adverse effects on physical and mental health of people living and working in the environment for a long time. In addition, the artificial lighting modes such as municipal power grid and the like need to consume a large amount of fossil fuel, aggravate environmental pollution and greenhouse effect, and are unfavorable for realizing the 'carbon peak' and 'carbon neutralization' targets in China.
Based on the above, the invention designs the solar lighting and power generation device based on the optical fiber, and comfortable and healthy natural lighting can be provided for complex buildings, basements and rooms with poorer lighting without external energy supply.
Disclosure of Invention
The invention aims to provide a solar lighting power generation system based on optical fibers and a use method thereof, which are beneficial to realizing solar lighting power generation.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a solar lighting power generation system and application method based on optic fibre, includes the light collecting plate, light collecting plate fixed connection a set of evenly distributed's fresnel lens first, light collecting plate fixed connection sunshine tracking sensor, support fixed connection horizontal angle step motor, support fixed connection reducing gear box second, horizontal angle step motor's output shaft fixed connection the input shaft of reducing gear box second, the output shaft fixed connection support of reducing gear box second, support fixed connection altitude angle step motor, support fixed connection reducing gear box first, altitude angle step motor's output shaft fixed connection the input shaft of reducing gear box first, the output shaft fixed connection pivot of reducing gear box first, light collecting plate both sides are respectively through a set of bolt fixed connection U type fixing device, two the pivot is fixed connection respectively corresponding U type fixing device, two the pivot is fixed connection the inner circle of bearing respectively, two the outer lane of bearing is fixed connection respectively the support, light collecting plate and bottom plate are four adjustable bolts respectively fixed connection respectively, every adjustable screw thread connection one end of optic fibre one end is fixed connection optic fibre one end respectively, two adjustable screw connection one end of optic fibre respectively.
Preferably, a group of solar cells are inlaid and fixed on four sides of the daylighting panel.
Preferably, the height angle stepper motor and the horizontal angle stepper motor are respectively and electrically connected with the solar cell.
Preferably, the daylighting panel is fixedly connected with the dustproof shell, and the bottom plate is arranged in the dustproof shell.
Preferably, the daylighting board front side is provided with high transparent acrylic board, high transparent acrylic board fixed connection dustproof shell.
Preferably, the sunlight tracking sensor comprises a base, wherein the base is fixedly connected with an internal thread sleeve, the internal thread sleeve is in threaded connection with an external thread sleeve, the external thread sleeve is fixedly connected with a Fresnel lens II, the center of the base is fixedly connected with a transparent cylinder, the base is fixedly connected with the daylighting panel, and the base is fixedly connected with a data interface;
the base 103 is fixedly connected with a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8, wherein the resistor R1, the resistor R2, the resistor R3, the resistor R4, the resistor R5, the resistor R6, the resistor R7 and the resistor R8 are photosensitive resistors;
the resistor R1, the resistor R2, the resistor R3 and the resistor R4 are positioned in a circular ring taking the center of the transparent cylinder as the center of the circle, distributed at 90 degrees intervals and positioned outside the internal thread sleeve;
the resistor R5, the resistor R6, the resistor R7 and the resistor R8 are positioned in a circular ring taking the center of the transparent cylinder as the center of the circle, distributed at intervals of 90 degrees and positioned outside the internal thread sleeve.
Preferably, the secondary condenser comprises a hollow round table fixedly connected with an aluminum radiating fin, the hollow round table is fixedly connected with the optical fiber, the optical fiber is fixedly connected with a nut M1, the nut M1 is clung to one side of the back plate, the optical fiber is fixedly connected with a nut M2, and the nut M2 is clung to the other side of the back plate.
Preferably, the optical fiber diffuser comprises a housing, one end of the housing is fixedly connected with a panel, the circular plate is fixedly connected with a group of lenses, the other end of the housing is fixedly connected with a bottom plate, the bottom plate is fixedly connected with a group of LED light supplementing lamps and an optical fiber emitting end, and the optical fiber emitting end is fixedly connected with the optical fiber.
The application method of the solar lighting power generation system based on the optical fiber is characterized by comprising the following steps of:
step one: mounting the device in a suitable position;
step two: after the sun tracking sensor positions the sun angle, the controller controls the height angle stepping motor and the horizontal angle stepping motor to rotate so as to drive the daylighting panel to rotate, so that the daylighting panel is vertical to the sun at any time, and the utilization efficiency of the sun is improved;
step three: the solar rays are focused on the secondary condenser through the Fresnel lens I and are transmitted to the optical fiber diffuser through the optical fiber, so that a user can obtain comfortable and healthy natural light;
the vertical distance between the daylighting panel and the backboard is changed by adjusting the length of the adjustable screw rod extending out of the adjustable bolt, so that the diameter of a highlight light spot formed after condensation of the Fresnel lens is changed.
Preferably, the specific flow of the second step is as follows:
step two,: firstly, roughly tracking, and identifying solar horizontal angle change by using the resistor R1 and the resistor R3, and identifying altitude angle change by using the resistor R2 and the resistor R4;
when sunlight is not perpendicular to the base, the internal thread sleeve and the external thread sleeve can shadow on a bottom plate at one side opposite to the sunlight, the resistance at the side is shielded, the resistance at the light shielding side is larger than the resistance at the light facing side, and the controller controls the executing mechanism to make corresponding action change after processing and analysis until four photosensitive resistances in the rough adjustment group are the same;
step two: starting an accurate regulation mode, utilizing the resistor R5 and the resistor R7 to identify the change of the sun horizontal angle, utilizing the resistor R6 and the resistor R8 to identify the change of the altitude angle, focusing sunlight through the Fresnel lens II, collecting solar flare formed in a certain position in the barrel bottom of the internal thread sleeve barrel, collecting flare formed when the sunlight is not perpendicular to the base at a position outside the transparent cylinder, reducing the resistance value of the photoresistor close to the flare, and controlling an executing mechanism to perform corresponding action change after signal processing analysis until the flare is collected in the transparent cylinder, wherein the illumination intensity and the light receiving area received by the eight photoresistors are the same at the moment when the sunlight collecting plate is perpendicular to the sunlight;
the distance between the Fresnel lens II and the base can be adjusted by rotating the external thread sleeve, and the flare size formed after focusing is adjusted, so that the tracking accuracy of the sunlight tracking sensor is adjusted.
Compared with the prior art, the invention has the following beneficial effects:
the solar cell is embedded in the place where the daylighting plate does not have the Fresnel lens I, so that the power supply requirement of a system is met, and the rest electric energy can be stored through the storage battery for the LED light supplementing lamp.
(1) The sunlight transmission problem is solved by utilizing the optical fiber, and the possibility is provided for natural light illumination in complex buildings, basements and rooms with poor lighting.
(2) The sunlight tracking system solves the problem of sunlight collecting efficiency, and the daylighting panel can be perpendicular to the sun, so that sunlight is transmitted into a room with the highest efficiency.
(3) The solar cell is embedded in the place without the Fresnel lens I of the daylighting panel, so that the power supply requirement of a system is met, and the rest electric energy can be stored through the storage battery for the LED light filling lamp.
(4) In the design of the optical fiber lighting device, the problem of damage caused by high Wen Duiguang fiber is effectively solved by adding the design structure of the radiating fins, and the system can be ensured to work stably for a long time.
(5) The optical fiber diffuser adopts the integrated design of sunlight and artificial lighting, solves the problem of excessive concentration of sunlight, and simultaneously the device is added with the LED light supplementing lamp, thereby solving the problems of insufficient light and night lighting.
(6) The daylighting platform is wrapped by the high-transparency acrylic plate and the dustproof shell, and the outer layer of the optical fiber is wrapped by the black protective sleeve, so that the problems of protection, dust prevention, ageing resistance and the like of the equipment in operation are effectively solved.
Drawings
FIG. 1 is a front view of the overall structure of a solar lighting power generation device;
FIG. 2 is a side view of the overall structure of the solar lighting power generation device;
FIG. 3 is a schematic diagram of a secondary concentrator;
FIG. 4 is a schematic diagram of a fiber diffuser;
FIG. 5 is a schematic diagram of a second optical fiber diffuser;
FIG. 6 is a schematic view of a sunlight tracking sensor;
in the figure: 1. the sunlight tracking sensor comprises a sunlight tracking sensor body, wherein the sunlight tracking sensor body comprises a sunlight tracking sensor, a sunlight collecting plate, a solar cell sheet, a Fresnel lens I, a reduction gearbox I, a height angle stepping motor I, a horizontal angle stepping motor I, a support saddle I, a reduction gearbox II, a support saddle II, an adjustable bolt I, a bolt II, a U-shaped fixing device I, a rotary shaft I, a high transparent acrylic plate II, a bearing II, a 17 adjustable screw rod II, a 18 back plate II, a 19 optical fiber II, a 20 second optical collector II, a 21, a dustproof shell II, a 22 optical fiber light diffuser II, a 101, a Fresnel lens II, a 102, a transparent cylinder II, a 103, a base II, a 104, an internal thread sleeve II, a 105, an external thread sleeve II, a 201, an aluminum radiating fin II, a 202, a hollow round platform II, a 203, a nut M2, a 204, a nut M1, 221, a shell II, a 222, a lens II, a 223, a panel II, a 224, a panel II, a light-guiding fiber transmitting end II, a 225, a base plate II, a 226 and an LED light supplementing lamp.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, an optical fiber-based solar lighting power generation system and a using method thereof, the solar lighting power generation system comprises a lighting board 14, wherein the lighting board 2 is fixedly connected with a group of uniformly distributed fresnel lenses I4, the lighting board 2 is fixedly connected with a sunlight tracking sensor 1, a support 8 is fixedly connected with a horizontal angle stepping motor 7, the support 8 is fixedly connected with a reduction gearbox II 9, an output shaft of the horizontal angle stepping motor 7 is fixedly connected with an input shaft of the reduction gearbox II 9, an output shaft of the reduction gearbox II 9 is fixedly connected with a support 10, the support 10 is fixedly connected with a height angle stepping motor 6, the support 10 is fixedly connected with a reduction gearbox I5, an output shaft of the height angle stepping motor 6 is fixedly connected with an input shaft of the reduction gearbox I5, two sides of the lighting board 2 are respectively fixedly connected with a U-shaped fixing device 13 through a group of bolts 12, two rotating shafts 14 are respectively fixedly connected with corresponding U-shaped fixing devices 13, two rotating shafts 14 are respectively fixedly connected with input shafts of the reduction gearbox II 9, two brackets 16 are respectively connected with adjustable optical fiber connectors II, two adjustable optical fiber connectors are respectively connected with two adjustable optical fiber connectors II, one end of the reduction gearbox II, each adjustable optical fiber connector II is respectively, and the adjustable optical fiber is respectively connected with one end of the adjustable optical fiber 19 is respectively, and the adjustable optical fiber is respectively connected with one end of the adjustable optical fiber is respectively, and the adjustable.
The solar cell pieces 3 are embedded and fixed on four sides of the daylighting panel 2.
The height angle stepping motor 6 and the horizontal angle stepping motor 7 are respectively and electrically connected with the solar cell 3.
The daylighting panel 2 is fixedly connected with a dustproof shell 21, and the bottom plate 18 is arranged in the dustproof shell 21.
The front side of the daylighting panel 2 is provided with a high-transparency acrylic panel 15, and the high-transparency acrylic panel 15 is fixedly connected with the dustproof shell 21.
The sunlight tracking sensor 1 comprises a base 103, wherein the base 103 is fixedly connected with an inner threaded sleeve 104, the inner threaded sleeve 104 is in threaded connection with an outer threaded sleeve 105, the outer threaded sleeve 105 is fixedly connected with a Fresnel lens II 101, the center of the base 103 is fixedly connected with a transparent cylinder 102, the base 103 is fixedly connected with a daylighting panel 2, and the base 103 is fixedly connected with a data interface 106;
the base 103 is fixedly connected with a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8, wherein the resistor R1, the resistor R2, the resistor R3, the resistor R4, the resistor R5, the resistor R6, the resistor R7 and the resistor R8 are photosensitive resistors;
the resistor R1, the resistor R2, the resistor R3 and the resistor R4 are positioned in a circular ring taking the center of the transparent cylinder 102 as the center of the circle, distributed at 90 degrees intervals and positioned outside the internal thread sleeve 104;
the resistor R5, the resistor R6, the resistor R7 and the resistor R8 are located in a circular ring taking the center of the transparent cylinder 102 as the center of the circle, distributed at 90 degrees intervals and located outside the internally threaded sleeve 104.
The secondary condenser 20 comprises a hollow round table 202, wherein the hollow round table 202 is fixedly connected with an aluminum radiating fin 201, the hollow round table 202 is fixedly connected with an optical fiber 19, the optical fiber 19 is fixedly connected with a nut M1204, the nut M1204 is tightly attached to one side of the back plate 18, the optical fiber 19 is fixedly connected with a nut M2203, and the nut M2203 is tightly attached to the other side of the back plate 18.
The optical fiber diffuser 22 comprises a housing 221, one end of the housing 221 is fixedly connected with a panel 223, the circular plate 223 is fixedly connected with a group of lenses 222, the other end of the housing 221 is fixedly connected with a bottom plate 225, the bottom plate 225 is fixedly connected with a group of LED light supplementing lamps 226 and an optical fiber emitting end 225, and the optical fiber emitting end 225 is fixedly connected with the optical fiber 19.
The application method of the solar lighting power generation system based on the optical fiber comprises the following steps:
step one: mounting the device in a suitable position;
step two: after the sun tracking sensor 1 positions the sun angle, the controller controls the height angle stepping motor 6 and the horizontal angle stepping motor 7 to rotate so as to drive the daylighting panel 22 to rotate, so that the daylighting panel 2 is kept vertical to the sun at any time, and the utilization efficiency of the sun is improved;
step three: solar rays are focused on the secondary condenser 20 through the Fresnel lens I4 and transmitted to the optical fiber diffuser 22 through the optical fiber 19, so that a user obtains comfortable and healthy natural light;
the vertical distance between the daylighting panel 2 and the backboard 18 is changed by adjusting the length of the adjustable screw 17 extending out of the adjustable bolt 12, so that the diameter of a highlight light spot formed after the first Fresnel lens 4 is focused is changed.
The specific flow of the second step is as follows:
step two,: firstly, roughly tracking, and identifying solar horizontal angle change by using the resistor R1 and the resistor R3, and identifying altitude angle change by using the resistor R2 and the resistor R4;
when the sunlight is not perpendicular to the base 103, the internal thread sleeve 104 and the external thread sleeve 105 can shadow on a bottom plate at one side opposite to the sunlight, so that the resistance at the side opposite to the sunlight is covered, the resistance at the side of shading is larger than the resistance at the side opposite to the sunlight, and the controller processes and analyzes the resistance at the side opposite to the sunlight and then controls the executing mechanism to make corresponding action change until the four photoresistances in the rough adjustment group are the same;
step two: starting an accurate regulation mode, utilizing the resistor R5 and the resistor R7 to identify the change of the sun horizontal angle, utilizing the resistor R6 and the resistor R8 to identify the change of the altitude angle, focusing sunlight through the Fresnel lens II 101, collecting formed solar flare at a certain position in the barrel bottom of the internal thread sleeve 4, collecting flare formed when the sunlight is not perpendicular to the base 103 at a position outside the transparent cylinder 102, reducing the resistance of a photoresistor close to the flare, and controlling an executing mechanism to perform corresponding action change after signal processing analysis until the flare is collected at the transparent cylinder 102, wherein the illumination intensity and the light receiving area received by eight photoresistors are the same at the moment when the daylighting panel 2 is perpendicular to the sunlight;
the distance between the second fresnel lens 101 and the base 103 can be adjusted by rotating the externally threaded sleeve 105, so as to adjust the size of flare formed after focusing, and further adjust the tracking accuracy of the sunlight tracking sensor 1.
The solar cell 3 is electrically connected with a storage battery, the storage battery is electrically connected with the LED light supplementing lamp 226, and the LED light supplementing lamp 226 provides night illumination.
The solar cell 3 is a solar panel with smaller size, a part of electric quantity drives a motor of the device to rotate, and the residual electric quantity is stored in the storage battery to provide electric energy for the lighting device for lighting and light supplementing.
The controller is STM32F103VCT6, and the sunlight tracking sensor 1, the height angle stepping motor 6, the horizontal angle stepping motor 7 and the storage battery are respectively and electrically connected with the controller.
According to the invention, the vertical distance between the daylighting panel 2 and the backboard 18 is changed by adjusting the length of the adjustable screw 17, so that the diameter of a highlight light spot formed after the Fresnel lens 4 condenses light is changed.
According to the invention, the lighting board 2 and the back board 18 are integrally sealed by arranging the dustproof shell 21, so that the problems of ageing, dust, dirt coating and the like of the device are avoided.
The secondary condenser 20 has good heat dissipation performance, can prevent the condensed solar light spot from melting and burning the optical fiber, and has a structure shown in fig. 3 and is made of metal aluminum materials. The upper part of the secondary condenser 20 is provided with a sunflower-shaped aluminum radiating fin 201 and a hollow round table 202, the area and the number of blades of the aluminum radiating fin 201 can be increased or decreased according to actual needs, and the opening angle of the hollow round table 202 is larger than or equal to the incident angle of the Fresnel lens I4, so that the collected sunlight can enter the incident end of the optical fiber 224 after completely passing through a funnel-shaped device.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a solar lighting power generation system based on optic fibre, includes plane skylight (2), its characterized in that:
the daylighting panel (2) is fixedly connected with a group of uniformly distributed Fresnel lenses I (4), and the daylighting panel (2) is fixedly connected with the sunlight tracking sensor (1);
the support (8) is fixedly connected with the horizontal angle stepping motor (7), the support (8) is fixedly connected with the second reduction gearbox (9), the output shaft of the horizontal angle stepping motor (7) is fixedly connected with the input shaft of the second reduction gearbox (9), and the output shaft of the second reduction gearbox (9) is fixedly connected with the support (10);
the support (10) is fixedly connected with the height angle stepping motor (6), the support (10) is fixedly connected with the first reduction gearbox (5), an output shaft of the height angle stepping motor (6) is fixedly connected with an input shaft of the first reduction gearbox (5), and an output shaft of the first reduction gearbox (5) is fixedly connected with the rotating shaft (14);
the two sides of the daylighting panel (2) are fixedly connected with U-shaped fixing devices (13) through a group of bolts (12), the two rotating shafts (14) are respectively and fixedly connected with the corresponding U-shaped fixing devices (13), the two rotating shafts (14) are respectively and fixedly connected with the inner rings of bearings (16), and the outer rings of the two bearings (16) are respectively and fixedly connected with the bracket (10);
the daylighting panel (2) and the bottom plate (18) are respectively and fixedly connected with four adjustable bolts (11), and each adjustable bolt (11) is respectively and threadedly connected with one end of an adjustable screw rod (17);
the bottom plate (18) is fixedly connected with a group of secondary light concentrators (20), each secondary light concentrator (20) is respectively and fixedly connected with one end of an optical fiber (19), and the other end of each optical fiber (19) is respectively and fixedly connected with an optical fiber light diffuser (22).
2. The fiber optic based solar lighting power generation system of claim 1, wherein: the solar cell pieces (3) are embedded and fixed on four sides of the daylighting panel (2).
3. The optical fiber-based solar lighting power generation system and the use method thereof as claimed in claim 2, wherein the system is characterized in that: the height angle stepping motor (6) and the horizontal angle stepping motor (7) are respectively and electrically connected with the solar cell (3).
4. The fiber optic based solar lighting power generation system of claim 1, wherein: the daylighting panel (2) is fixedly connected with the dustproof shell (21), and the bottom plate (18) is arranged in the dustproof shell (21).
5. The fiber optic based solar lighting power generation system of claim 4, wherein: the front side of the daylighting panel (2) is provided with a high-transparency acrylic panel (15), and the high-transparency acrylic panel (15) is fixedly connected with the dustproof shell (21).
6. The fiber optic based solar lighting power generation system of claim 1, wherein: the sunlight tracking sensor (1) comprises a base (103), wherein the base (103) is fixedly connected with an inner threaded sleeve (104), the inner threaded sleeve (104) is in threaded connection with an outer threaded sleeve (105), the outer threaded sleeve (105) is fixedly connected with a Fresnel lens II (101), the center of the base (103) is fixedly connected with a transparent cylinder (102), the base (103) is fixedly connected with a daylighting panel (2), and the base (103) is fixedly connected with a data interface (106);
the base (103) is fixedly connected with a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8, wherein the resistor R1, the resistor R2, the resistor R3, the resistor R4, the resistor R5, the resistor R6, the resistor R7 and the resistor R8 are photosensitive resistors;
the resistor R1, the resistor R2, the resistor R3 and the resistor R4 are positioned in a circular ring taking the center of the transparent cylinder (102) as the center of the circle, distributed at 90 degrees intervals and positioned outside the internal thread sleeve (104);
the resistor R5, the resistor R6, the resistor R7 and the resistor R8 are positioned in a circular ring which takes the center of the transparent cylinder (102) as the center of the circle, distributed at intervals of 90 degrees and positioned outside the internal thread sleeve (104).
7. The fiber optic based solar lighting power generation system of claim 1, wherein: the secondary condenser (20) comprises a hollow round platform (202), the hollow round platform (202) is fixedly connected with an aluminum radiating fin (201), the hollow round platform (202) is fixedly connected with an optical fiber (19), the optical fiber (19) is fixedly connected with a nut M1 (204), the nut M1 (204) is tightly attached to one side of the back plate (18), the optical fiber (19) is fixedly connected with a nut M2 (203), and the nut M2 (203) is tightly attached to the other side of the back plate (18).
8. The fiber optic based solar lighting power generation system of claim 1, wherein: the optical fiber diffuser (22) comprises a shell (221), one end of the shell (221) is fixedly connected with a panel (223), the circular plate (223) is fixedly connected with a group of lenses (222), the other end of the shell (221) is fixedly connected with a bottom plate (225), the bottom plate (225) is fixedly connected with a group of LED light supplementing lamps (226) and an optical fiber emitting end (225), and the optical fiber emitting end (225) is fixedly connected with the optical fiber (19).
9. The method for using the optical fiber-based solar lighting power generation system as defined in claim 6, comprising the following steps:
step one: mounting the device in a suitable position;
step two: after the sun tracking sensor (1) positions the sun angle, the controller controls the height angle stepping motor (6) and the horizontal angle stepping motor (7) to rotate so as to drive the daylighting panel (2) to rotate, so that the daylighting panel (2) is kept perpendicular to the sun at any time, and the utilization efficiency of the sun is improved;
step three: solar rays are focused on the secondary condenser (20) through the Fresnel lens I (4), and are transmitted to the optical fiber diffuser (22) through the optical fiber (19), so that a user obtains comfortable and healthy natural light;
the vertical distance between the daylighting panel (2) and the backboard (18) is changed by adjusting the length of the adjustable screw (17) extending out of the adjustable bolt (12), so that the diameter of a highlight light spot formed after condensation of the Fresnel lens I (4) is changed.
10. A method for using a fiber optic based solar lighting power generation system as defined in claim 3, wherein: the specific flow of the second step is as follows:
step two,: firstly, roughly tracking, and identifying solar horizontal angle change by using the resistor R1 and the resistor R3, and identifying altitude angle change by using the resistor R2 and the resistor R4;
when sunlight is not perpendicular to the base (103), the internal thread sleeve (104) and the external thread sleeve (105) can leave shadows on a bottom plate at one side opposite to the sunlight, the side resistance is shielded, the resistance at the light shielding side is larger than the resistance at the light directing side, and the controller processes and analyzes the resistance and then controls the executing mechanism to make corresponding action change until four photosensitive resistances in the rough adjustment group are the same;
step two: starting an accurate regulation mode, utilizing the resistor R5 and the resistor R7 to identify the change of the sun horizontal angle, utilizing the resistor R6 and the resistor R8 to identify the change of the altitude angle, focusing sunlight through the Fresnel lens II (101), collecting formed solar flare in a certain position in the barrel bottom of the internal thread sleeve (4), collecting flare formed when the sunlight is not perpendicular to the base (103) at a position outside the transparent cylinder (102), reducing the resistance of a photoresistor close to the flare, and controlling an executing mechanism to make corresponding action change after signal processing analysis by a controller until the flare is collected in the transparent cylinder (102), wherein the illumination intensity and the light receiving area received by eight photoresistors are the same at the moment when the sunlight collecting plate (2) is perpendicular to the sunlight;
the distance between the Fresnel lens II (101) and the base (103) can be adjusted by rotating the external thread sleeve (105), so that the size of flare formed after focusing is adjusted, and the tracking accuracy of the sunlight tracking sensor (1) is further adjusted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310247410.5A CN116182097A (en) | 2023-03-15 | 2023-03-15 | Solar lighting power generation system based on optical fiber and use method |
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| CN202310247410.5A CN116182097A (en) | 2023-03-15 | 2023-03-15 | Solar lighting power generation system based on optical fiber and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117287653A (en) * | 2023-11-15 | 2023-12-26 | 深圳市同乐安防设备有限公司 | Double-shaft solar spotlight lighting device capable of searching light and sensing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117287653A (en) * | 2023-11-15 | 2023-12-26 | 深圳市同乐安防设备有限公司 | Double-shaft solar spotlight lighting device capable of searching light and sensing |
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