CN112902098A - Light guide lighting device for underground lighting - Google Patents

Light guide lighting device for underground lighting Download PDF

Info

Publication number
CN112902098A
CN112902098A CN202110313624.9A CN202110313624A CN112902098A CN 112902098 A CN112902098 A CN 112902098A CN 202110313624 A CN202110313624 A CN 202110313624A CN 112902098 A CN112902098 A CN 112902098A
Authority
CN
China
Prior art keywords
light
layer
gathering
underground
sunlight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110313624.9A
Other languages
Chinese (zh)
Inventor
夏启勋
姜家权
樊雨龙
王玫静
杜智君
司丽君
刘志远
殷鑫
刘可可
李高峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan University of Technology
Original Assignee
Henan University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN202110313624.9A priority Critical patent/CN112902098A/en
Publication of CN112902098A publication Critical patent/CN112902098A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • F21V15/02—Cages
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
    • 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/04—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention belongs to the technical field of underground lighting, and relates to a light guide lighting device for underground lighting, which comprises a light-gathering layer, a filter layer and a fixing layer, wherein incident light improves the light intensity through a Fresnel lens of the light-gathering layer, most of ultraviolet rays and infrared rays are filtered by a heat filtering sheet of the filter layer, and optimized sunlight is irradiated into optical fibers in optical fiber holes. The azimuth angle and the altitude angle of the sun are detected through the tracking sensor, when the included angle between the sunlight and the plane of the light-gathering layer is not 90 degrees, the tracking sensor outputs a signal to the processor, and the processor controls the rotating part to enable the plane of the light-gathering layer to be perpendicular to the sunlight. By arranging the illumination sensor, when sunlight is weak, the illumination sensor sends a signal to control the LED light source to be turned on, and the high-density foam board can reflect part of light to reduce light loss; when the sunlight is sufficient, the illumination sensor sends a signal to control the LED light source to be turned off, so that the electric energy is saved, and the LED illumination lamp can be used in rainy days, nights and other conditions with weak illumination intensity.

Description

Light guide lighting device for underground lighting
Technical Field
The invention belongs to the technical field of underground lighting, and particularly relates to a light guide lighting device for underground lighting.
Background
The appearance of basement places such as underground shopping malls and underground parking garages relieves the problem of more and more shortage of land resources, but the high power consumption of large-area basement lighting is a prominent problem. Therefore, it is important to find a cheap and efficient lighting technology.
The light guide lighting system is a green lighting device which utilizes solar energy to realize daily lighting and can introduce natural light into a room to reduce lighting energy consumption.
Due to the dependence of the light guide illumination on sunlight, the application environment is limited when the light guide illumination is singly used. In practical applications, in the case of weak illumination intensity in rainy weather, nighttime, etc., the illumination intensity transmitted to the illumination position via the light transmitting fiber may fluctuate, resulting in a reduction in illumination effect.
Although the solar cell panel in some light guide lighting devices can store the energy of sunlight and convert the energy into the electric energy of a bulb when the sunlight is insufficient, the cost of a light guide system is increased invisibly, and the structures of some light guide lighting devices are incomplete, so that the light guide lighting devices cannot combine automatic light tracking and LED intelligentization at the same time.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
It is an object of the present invention to provide a light guiding light collector for underground lighting that solves or alleviates the above-mentioned problems of the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a light guide lighting device for underground illumination, which comprises:
the light-gathering part sequentially comprises a light-gathering layer, a filter layer and a fixing layer which are arranged in parallel, and a solar automatic tracking mechanism is arranged at the center of the light-gathering layer.
The rotating part controls the rotation of the light-gathering part so that the light-gathering part is aligned to the sun after being adjusted in a rotating mode.
And the control part comprises a processor which is respectively in control connection with the solar automatic tracking mechanism and the rotating part.
The solar automatic tracking mechanism comprises a tracking sensor, the tracking sensor detects the azimuth angle and the elevation angle of the sun, when the included angle between the sunlight and the plane of the light-gathering layer is not 90 degrees, the tracking sensor outputs a signal to the processor, and the processor controls the rotating part to enable the plane of the light-gathering layer to be perpendicular to the sunlight all the time.
Preferably, the outer side of the light gathering part is covered with a protective cover, and the protective cover is an acrylic light-transmitting plate.
Preferably, the outer of light-concentrating portion is located to the spotlight layer, and the spotlight layer is ya keli light-passing board, and a plurality of fresnel lens of equipartition on the spotlight layer.
Preferably, the filter layer includes a plurality of heat filters and a support plate for fixing the heat filters, the heat filters are disposed on the filter layer corresponding to the plurality of fresnel lenses, and the heat filters filter out infrared rays and ultraviolet rays in light transmitted through the light-condensing layer.
Preferably, the fixed bed is the metal sheet, a plurality of dead levers of equipartition on the fixed bed, and the dead lever upwards stretches out the back and passes filter layer and spotlight layer in proper order, all is equipped with the optical fiber hole with straining heat piece department of correspondence on the fixed bed, and the optical fiber hole is fixed the end of optic fibre, and the bottom and the rotation portion of fixed bed are connected.
Preferably, the fixed layer is connected with the filter layer through a cover body, one end of the cover body is connected with the edge of the filter layer, the other end of the cover body is connected with the fixed layer, and the cover body is in a quadrangular frustum pyramid shape.
Preferably, a plurality of LED light sources are uniformly distributed on the inner side surface of the cover body, the LED light sources are connected with a power supply in the control part through power transmission lines, and the supporting plate is a high-density foam plate.
Preferably, a plurality of LED light sources are uniformly distributed on one side of the supporting plate opposite to the fixing layer, the LED light sources are connected with a power supply in the control part through power transmission lines, the supporting plate is an acrylic light-transmitting plate, and the cover body is a light-reflecting plate.
Preferably, an illumination sensor is further disposed at the tracking sensor, and the illumination sensor correspondingly outputs a signal for turning on or off the power supply when the irradiance of the sun is lower than or higher than the working illuminance.
Preferably, the rotating part comprises a universal rotating head, and the rotation of the universal rotating head is controlled by the processor.
Has the advantages that:
the light guide lighting device for underground illumination can be used under the conditions of weak illumination intensity such as rainy weather, night and the like, and comprises a light-gathering layer, a filter layer and a fixing layer, wherein the light-gathering layer and the filter layer are connected with the fixing layer through fixing rods, incident light improves the light intensity through a Fresnel lens, most ultraviolet rays and infrared rays are filtered by a heat filtering sheet, and optimized sunlight is incident into optical fibers in optical fiber holes.
When sunlight is weak, the illumination sensor sends a signal to control the LED light source to be turned on, and the white high-density foam plate or the reflecting plate can reflect part of light, so that light loss is reduced.
When the sunlight is sufficient, the illumination sensor sends a signal to control the LED light source to be turned off, so that the electric energy is saved.
The device is protected by the protection casing, and the protection casing adopts ya keli light-passing board, has high light transmissivity, more does benefit to and catches the sunlight.
The tracking sensor is arranged at the center above the light-gathering part, when the solar rays incline, the tracking sensor outputs signals to the processor, and the processor controls the rotation of the universal rotating head to place the light-gathering part at a proper angle to efficiently catch the sunlight.
The second supporting rod is connected with the universal rotating head, bears the weight of the whole device and has extremely high strength.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a schematic view of an embodiment of an LED light source mounted on a housing;
FIG. 2 is a schematic view of an embodiment of an LED light source disposed on a support plate;
fig. 3 is a plan view of the light-condensing portion of fig. 1.
Description of reference numerals:
1-a fixing layer; 2-a protective cover; 3-a light-condensing layer; 4-a tracking sensor; 5-a Fresnel lens; 6-heat filtering sheet; 7-a cover body; 8-fixing the bolt; 9-a first support bar; 10-universal swivel head; 11-an optical fiber; 12-a transmission line; 13-sensor information conducting wires; 14-a second support bar; 15-a control section; 16-fixing the rod.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
As shown in fig. 1 to 3, the present invention discloses a light guiding and collecting apparatus for underground lighting, comprising:
the light condensing part comprises a light condensing layer 3, a filter layer and a fixing layer 1 which are arranged in parallel in sequence, a solar automatic tracking mechanism is arranged at the center of the light condensing layer 3, so that the light guide lighting device can accurately track the sun, the fixing layer 1 is used for fixing an optical fiber 11, and the optical fiber 11 conducts sunlight to an underground lighting device.
The rotating part controls the rotation of the light-gathering part, and the rotating part rotates to enable the light-gathering part to be aligned to the sun after being adjusted.
And the control part 15 comprises a processor covered in the metal shell, and the processor is respectively connected with the solar automatic tracking mechanism and the rotating part 15 in a control mode.
The solar automatic tracking mechanism enables the plane of the light-gathering layer 3 to be perpendicular to the solar rays all the time, when the solar rays are inclined, the solar automatic tracking mechanism outputs signals to a processor in the control part 15, and the processor controls the rotation of the rotation part.
Further, in order to make the main axis of the light-condensing portion parallel to the sun's rays all the time, the solar automatic tracking mechanism includes a tracking sensor 4, the tracking sensor 4 is used for detecting the azimuth angle and the elevation angle of the sun, as long as the included angle formed by the sun's rays and the plane of the light-condensing layer 3 is not 90 °, the tracking sensor 4 outputs a deviation signal through a sensor information conducting line 13, thereby controlling the rotation of the rotating portion.
Furthermore, the sensor information conducting wire 13 passes through the center of the light-gathering layer 3, the filter layer and the fixing layer 1 in sequence and then is connected with a processor in the control part 15, so that excessive pulling of the sensor information conducting wire 13 during rotation of the light-gathering part can be reduced, and damage is avoided.
Furthermore, the light-gathering part is of a quadrangular frustum pyramid shape, the thickness of the light-gathering part is less than 20cm, and the whole weight of the light-gathering part is light.
Furthermore, in order to prevent the device from being influenced by rain and snow weather, a protective cover 2 is covered on the outer side of the light gathering part, and the protective cover 2 is an acrylic light-transmitting plate. The protection casing 2 possesses high light transmissivity, and characteristics such as the smooth easy cleanness in surface are located inside with whole spotlight portion cover, protect spotlight portion, avoid receiving sleet weather effect.
Further, the outer layer of light-gathering portion is located to the layer of light-gathering 3, and the layer of light-gathering 3 is the ya keli light-passing board, and the high acrylic material that passes through makes the light yield of whole device reach the biggest. A plurality of fresnel lenses 5 are uniformly distributed on the light-condensing layer 3. The Fresnel lens 5 is used for condensing light, and compared with a common glass optical lens, the Fresnel lens 5 is lighter in weight, low in price, light, thin and small in occupied space.
Further, the filter layer includes a plurality of heat of straining pieces 6 and the fixed backup pad that strains heat piece 6, it corresponds the setting with a plurality of fresnel lens 5 to strain heat piece 6 on the filter layer, it is K9 glass material to strain heat piece 6, coating film (dielectric film) on straining heat piece 6, thereby make heat of straining piece 6 can strain infrared ray and ultraviolet ray in the 3 transmission light of spotlight layer, and the transmissivity to visible light reaches 90%, make the temperature greatly reduced of the focus of focusing to the optic fibre head, in order to play the purpose of protection optic fibre 11.
Further, the fixed layer 1 is a metal plate, a plurality of fixing rods 16 (for example, 6 fixing rods) are uniformly distributed on the fixed layer 1, the fixing rods 16 extend upwards and then sequentially penetrate through the filter layer and the light-gathering layer 3, and after the filter layer, the light-gathering layer 3 and the fixed layer 1 are fixed through the fixing rods 16, gaps exist among the layers, and the gaps can be equidistant gaps or non-equidistant gaps. All be equipped with the optic fibre hole with straining heat piece 6 corresponding department on fixed bed 1, the terminal of optic fibre 11 inserts in the optic fibre hole, and the optic fibre hole is fixed optic fibre 11's end, makes optic fibre 11's end aim at with every strain heat piece 6 respectively, and fixed bed 1's bottom is connected with rotation portion, and dead lever 16 is light metal pole.
Further, the fixed layer 1 is connected with the filter layer through a cover body 7, one end of the cover body 7 is connected with the edge of the filter layer, the other end of the cover body 7 is connected with the fixed layer 1, and the cover body 7 is in a quadrangular frustum pyramid shape.
In one embodiment, as shown in fig. 1, in order to make the device continue to be used when the lighting is poor, a plurality of LED light sources are uniformly distributed on the inner side surface of the cover 7, and the LED light sources are connected with a power supply in the control part 15 through power lines 12. The support plate of the filter layer is a high-density foam plate, and the support plate of the filter layer is a high-density foam plate, which is also called rigid polyurethane foam plastic, and is called polyurethane rigid foam for short. The polyurethane hard foam is mostly of a closed-cell structure, has the excellent characteristics of good heat insulation effect, light weight, high specific strength, convenient construction and the like, and also has the characteristics of sound insulation, shock resistance, electric insulation, heat resistance, cold resistance, solvent resistance and the like. The surface of the high-density foam board is white and has the function of reflecting light. When the LED light source is opened, a part of light can be reflected by the high-density foam board, and the light irradiates the metal plate of the fixing layer 1 and then reflects to the filter layer, so that the light is prevented from being emitted outwards by the filter layer, and the light loss is avoided. Wherein the cover 7 may also be provided as a high density foam board.
In another embodiment, as shown in fig. 2, in order to make the device continue to be used when the lighting is poor, a plurality of LED light sources are uniformly distributed on one side of the supporting board opposite to the fixing layer 1, the LED light sources are arranged by bypassing the heat filtering sheet 6 of the filter layer, and the LED light sources are connected with the power supply in the control part 15 through the power transmission line 12. The backup pad is the ya keli light-passing board, and the cover body 7 is the reflector panel, specifically is the sheetmetal of the internal face reflection of light or the plastic sheet of the internal face reflection of light, plays the effect of reflection of light, avoids the light to shine the sheetmetal of fixed layer 1 and then reflect and jet out behind filter layer and the 1 clearance department of fixed layer, causes the light loss.
Further, an illumination sensor for detecting the irradiation intensity of the sun is further arranged at the tracking sensor 4, the illumination sensor and the tracking sensor 4 are arranged at the same position, and when the irradiance of the sun is lower than or higher than the working illumination, a signal for turning on or turning off the power supply is correspondingly output. I.e. when there is no sun or when the sun is weak, the LED light source emits light to illuminate the optical fiber 11, so that the device is protected from adverse weather and thus indoor illumination.
Further, the rotating part comprises a universal rotating head 10, and the universal rotating head 10 is controlled by the processor to rotate by tracking the sun.
Further, the lower part of the fixed layer 1 is fixedly connected with a first supporting rod 9 through a plurality of fixing bolts 8, the middle part of the first supporting rod 9 is fixedly connected with a second supporting rod 14 through a universal rotating head 10, the weight of the whole device is supported through the second supporting rod 14, and the light guide lighting device is connected with an underground lighting device through the second supporting rod 14. Sensor information conduction line 13 is located in the cavity of second bracing piece 14, and second bracing piece 14 protects sensor information conduction line 13, avoids receiving bad weather influence to cause quick ageing.
Further, the optical fibers 11 located at the periphery have a greater length than the optical fibers 11 located at the center, so that the optical fibers 11 are not damaged by pulling when the condensing portion rotates.
In summary, the present invention provides a light guide lighting device for underground lighting, which includes a light-gathering layer 3, a filter layer and a fixing layer 1, wherein the light-gathering layer 3 and the filter layer are connected to the fixing layer 1 through a fixing rod 16, incident light passes through a fresnel lens 5 to increase light intensity, most of ultraviolet rays and infrared rays are filtered by a heat filtering sheet 6, and optimized sunlight is incident into an optical fiber 11 in an optical fiber hole.
When sunlight is weak, the illumination sensor sends a signal to control the LED light source to be turned on, and the white high-density foam plate or the reflecting plate can reflect part of light, so that light loss is reduced.
When the sunlight is sufficient, the illumination sensor sends a signal to control the LED light source to be turned off, so that the electric energy is saved.
The device is protected by protection casing 2, and protection casing 2 adopts the ya keli light-passing board, has high light transmissivity, more does benefit to and catches the sunlight.
The tracking sensor 4 is arranged at the center above the light-gathering part, when the sunlight inclines, the tracking sensor 4 outputs a signal to the processor, and the processor controls the rotation of the universal rotating head 10 to place the light-gathering part at a proper angle to efficiently catch the sunlight.
The second support bar 14 is connected with the universal rotary head 10, bears the weight of the whole device and has extremely high strength.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A light guiding daylighting apparatus for underground lighting, comprising:
the solar tracking device comprises a light-gathering part, a light-gathering part and a control part, wherein the light-gathering part sequentially comprises a light-gathering layer, a filter layer and a fixing layer which are arranged in parallel, and a solar automatic tracking mechanism is arranged at the center of the light-gathering layer;
the rotating part controls the rotation of the light-gathering part so that the light-gathering part is aligned to the sun after being adjusted in a rotating mode;
the control part comprises a processor which is respectively in control connection with the solar automatic tracking mechanism and the rotating part;
the solar automatic tracking mechanism comprises a tracking sensor, the tracking sensor detects the azimuth angle and the elevation angle of the sun, when the included angle between the sunlight and the plane of the light-gathering layer is not 90 degrees, the tracking sensor outputs a signal to the processor, and the processor controls the rotating part to enable the plane of the light-gathering layer to be perpendicular to the sunlight all the time.
2. A light guiding and collecting apparatus for underground lighting according to claim 1, wherein a protective cover is provided outside the light gathering portion, and the protective cover is an acrylic light-transmitting plate.
3. A light-guiding and lighting device for underground illumination as claimed in claim 1, wherein said light-gathering layer is disposed on the outer layer of said light-gathering portion, said light-gathering layer is an acrylic light-transmitting plate, and a plurality of fresnel lenses are uniformly disposed on said light-gathering layer.
4. A light-guiding lighting device for underground lighting according to claim 3, wherein said filter layer comprises a plurality of heat-filtering sheets and a supporting plate for fixing said heat-filtering sheets, said heat-filtering sheets are disposed on said filter layer corresponding to said plurality of fresnel lenses, and said heat-filtering sheets filter out infrared rays and ultraviolet rays of light transmitted through said light-gathering layer.
5. The light guiding and lighting device according to claim 4, wherein said fixing layer is a metal plate, a plurality of fixing rods are uniformly distributed on said fixing layer, said fixing rods extend upward and sequentially pass through said light filtering layer and said light focusing layer, optical fiber holes are formed in said fixing layer at positions corresponding to said heat filtering sheet, said optical fiber holes fix the ends of optical fibers, and the bottom of said fixing layer is connected to said rotating portion.
6. A light-guiding and light-collecting device for underground lighting according to claim 4, wherein said fixing layer is connected to said filter layer by a cover, one end of said cover is connected to the edge of said filter layer, the other end of said cover is connected to said fixing layer, and said cover is in the shape of a quadrangular frustum of a prism.
7. A light-guiding and lighting device for underground lighting according to claim 6, wherein a plurality of LED light sources are uniformly distributed on the inner side of said cover body, said LED light sources are connected with a power supply in said control portion through power lines, and said supporting plate is a high-density foam plate.
8. A light-guiding and lighting device for underground lighting according to claim 6, wherein a plurality of LED light sources are uniformly distributed on one side of said supporting board opposite to said fixing layer, said LED light sources are connected with a power supply in said control portion through power lines, said supporting board is an acrylic light-transmitting board, and said cover is a light-reflecting board.
9. A light guiding and lighting device for underground lighting according to claim 7 or 8, wherein an illuminance sensor is further provided at said tracking sensor, said illuminance sensor outputting a signal for turning on or off the power supply when the irradiance of the sun is lower or higher than the working illuminance.
10. A light guiding and daylighting apparatus for underground lighting according to claim 1, wherein the rotating portion comprises a gimbaled rotating head, the gimbaled rotating head being controlled for rotation by the processor.
CN202110313624.9A 2021-03-24 2021-03-24 Light guide lighting device for underground lighting Pending CN112902098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110313624.9A CN112902098A (en) 2021-03-24 2021-03-24 Light guide lighting device for underground lighting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110313624.9A CN112902098A (en) 2021-03-24 2021-03-24 Light guide lighting device for underground lighting

Publications (1)

Publication Number Publication Date
CN112902098A true CN112902098A (en) 2021-06-04

Family

ID=76106192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110313624.9A Pending CN112902098A (en) 2021-03-24 2021-03-24 Light guide lighting device for underground lighting

Country Status (1)

Country Link
CN (1) CN112902098A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1173620A (en) * 1997-06-10 1998-02-18 温毅 Light gathering appts. for utilizing solar energy
CN102374477A (en) * 2010-08-09 2012-03-14 李建敏 Sunshine intelligent household-entry system
CN103032810A (en) * 2012-12-20 2013-04-10 广西大学 Intelligent solar optical fiber and laser mixed lighting device and control method thereof
CN105841092A (en) * 2016-05-19 2016-08-10 中国航天建设集团有限公司 Comprehensive solar energy utilization device and method based on solar optical fiber

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1173620A (en) * 1997-06-10 1998-02-18 温毅 Light gathering appts. for utilizing solar energy
CN102374477A (en) * 2010-08-09 2012-03-14 李建敏 Sunshine intelligent household-entry system
CN103032810A (en) * 2012-12-20 2013-04-10 广西大学 Intelligent solar optical fiber and laser mixed lighting device and control method thereof
CN105841092A (en) * 2016-05-19 2016-08-10 中国航天建设集团有限公司 Comprehensive solar energy utilization device and method based on solar optical fiber

Similar Documents

Publication Publication Date Title
KR100880683B1 (en) Condensing system of solar light
CN101174027A (en) Natural light collector, illumination system and light source of electronic system
CN101375111A (en) Concentrating solar panel and related systems and methods
CN102072453A (en) Indoor natural lighting system based on light propagation technology
US20180054159A1 (en) Light collection and redirection to a solar panel
CN2926790Y (en) Sunlight-induced collecting illuminating system
US5228772A (en) Solar powered lamp having a cover containing a fresnel lens structure
CN202188424U (en) Reflector type sunlight guider
KR19990083947A (en) Solar Collector and Solar Automatic Tracking Device Using Solar Electricity
CN112902098A (en) Light guide lighting device for underground lighting
CN202048493U (en) Prism type sunlight guider
CN102486284A (en) Novel solar illumination device
CN214222978U (en) Active tracking type natural light illuminating system
CN102080800A (en) Light guide tube
CN210637964U (en) Solar energy composite utilization device
CN210128311U (en) Light guide and light path selector
CN2387384Y (en) Solar lamp
CN102537816A (en) Prism type sunlight guide device
US10619812B2 (en) Light collection device
CN202893341U (en) Biological irradiation device
CN101515064A (en) Light collecting device
CN110989153A (en) Optical fiber conduction type sunlight guide-in equipment
CN206145616U (en) Sun automatic tracking lighting system based on optic fibre leaded light
CN103017072B (en) Dome skylight, light-collecting device and illuminating system
CN110553210A (en) light-gathering type light guide device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination