CN210319622U - Tree-shaped branch lighting system - Google Patents
Tree-shaped branch lighting system Download PDFInfo
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- CN210319622U CN210319622U CN201921423621.5U CN201921423621U CN210319622U CN 210319622 U CN210319622 U CN 210319622U CN 201921423621 U CN201921423621 U CN 201921423621U CN 210319622 U CN210319622 U CN 210319622U
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Abstract
The utility model discloses a tree branch lighting system relates to the illumination field, including sunshine tracker, a plurality of spectroscopes, a plurality of illuminator, electric light source, the light splitter has been connect on the sunshine tracker, and the sunshine tracker sends received sunlight to the spectroscope, and the spectroscope divide into multichannel light transmission with received sunlight again and gives a plurality of illuminators and/or other spectroscopes, and this other spectroscopes can divide into multichannel light transmission with the sunlight again and give more illuminators and/or more spectroscopes; at least one electric light source is connected to one output port of one light splitter, and when sunlight is insufficient or no sunlight exists, the electric light emitted by the electric light source is reversely coupled into other light emitters for normal illumination according to the principle that the light path is reversible.
Description
Technical Field
The utility model relates to the field of lighting, concretely relates to tree branch lighting system.
Background
At present, the optical fiber lighting system used in some places adopts a sunlight tracker and an optical fiber lamp to track and collect sunlight at any time, and the sunlight is conducted to the required places and then is illuminated by the optical fiber lamp. On one hand, the output port of one sunlight tracker is limited, one output port is matched with one optical fiber lamp, and more optical fiber lamps cannot be accommodated, so that the larger the area needing illumination is, the larger the demand of the matched sunlight tracker is, and the more complicated the installation engineering and the maintenance engineering are; on the other hand, due to the influence of weather, the lamp must be supplemented by other lighting modes (such as an LED, an energy-saving lamp, an incandescent lamp and the like).
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a tree branch lighting system can hold more illuminator under limited sunlight tracker's condition to when sunshine is not enough or do not have the sunlight, can be with the electro-optical reverse coupling that the electric light sent to other illuminator in order to realize normal illumination.
A tree-branch lighting system comprising at least one solar tracker, at least one electric light source, a plurality of light splitters, a plurality of light emitters, each of said light splitters comprising one input port and two output ports;
the input port of each optical splitter is connected with the output ports of other optical splitters, or a sunlight tracker, or an electric light source;
the output port of each optical splitter is connected with a light emitter or an electric light source;
at least one electric light source is connected with an input port or an output port of one optical splitter, and at least one sunlight tracker is connected with an input port of one optical splitter;
the sunlight tracker is used for tracking the solar azimuth and collecting sunlight and then inputting the sunlight into the light splitter, the light splitter sends the received sunlight to the light emitter connected with the light splitter or the light emitters connected to other light splitters, and the light emitters couple out the received sunlight to irradiate the free light space for illumination;
the light source is provided with a coupler, the coupler inputs part of electro-light emitted by the light source into the light splitter, the light splitter transmits the received electro-light to the light emitter connected with the light splitter or the light emitters connected to other light splitters, and the light emitters couple out the received electro-light and irradiate the received electro-light to a free light space for illumination.
Furthermore, the input port of each optical splitter is connected with the output ports of other optical splitters, or a sunlight tracker, or an electric light source through optical fibers;
the output port of each optical splitter is connected with a light emitter or an electric light source through an optical fiber, the coupler arranged on the electric light source is an optical fiber collimator, and the optical fiber collimator inputs part of the electric light emitted by the electric light source into the optical splitter.
Furthermore, an optical switch is arranged on an optical fiber coupled with the output port of one or more of the optical splitters.
Further, the illuminator comprises an optical fiber collimator and a lens, the lens is arranged in the light-emitting direction of the optical fiber collimator, sunlight or electro-light in the optical fiber coupled with the illuminator is coupled out to a free light space through the optical fiber collimator, the sunlight or the electro-light is coupled out to the free light space and then is shaped by the lens for illumination, and the numerical aperture of the lens is larger than or equal to that of the optical fiber collimator.
Further, the lens is a focusing lens.
Further, the lens is a defocusing lens.
Further, the optical splitter adopts an optical fiber splitter or a slab waveguide splitter.
Furthermore, the coupler is an optical fiber collimator, and is connected with an output port of the optical splitter through an optical fiber.
The beneficial effects of the utility model are embodied in: the sunlight tracking device comprises a sunlight tracker, a plurality of light splitters, a plurality of light emitters and an electric light source, wherein the sunlight tracker is connected with one light splitter, the sunlight tracker sends received sunlight to the light splitter, the light splitter divides the received sunlight into a plurality of paths of light and transmits the light to the plurality of light emitters and/or other light splitters, and the other light splitters can divide the sunlight into a plurality of paths of light and transmit the light to more light emitters and/or more light splitters; at least one electric light source is connected to one output port of one light splitter, and when sunlight is insufficient or no sunlight exists, the electric light emitted by the electric light source is reversely coupled into other light emitters for normal illumination according to the principle that the light path is reversible.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a system structure diagram according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the back coupling of the electric light source of the present invention;
FIG. 3 is a system block diagram of another embodiment of the present invention;
FIG. 4 is a system block diagram of another embodiment of the present invention;
fig. 5 is an exemplary structure of a light emitter.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
The utility model provides a tree-shaped branch lighting system, which comprises at least one sunlight tracker, at least one electric light source, a plurality of light splitters and a plurality of light emitters, wherein each light splitter comprises an input port and two output ports;
the input port of each optical splitter is connected with the output ports of other optical splitters, or a sunlight tracker, or an electric light source; the output port of each optical splitter is connected with a light emitter or an electric light source;
at least one electric light source is connected with an input port or an output port of one optical splitter, and at least one sunlight tracker is connected with an input port of one optical splitter;
the sunlight tracker is used for tracking the solar azimuth and collecting sunlight and then inputting the sunlight into the light splitter, the light splitter sends the received sunlight to the light emitter connected with the light splitter or the light emitters connected to other light splitters, and the light emitters couple out the received sunlight to irradiate the free light space for illumination;
the electric light source is provided with a coupler, the coupler inputs part of electro-light emitted by the electric light source into the optical splitter, the optical splitter transmits the received electro-light to the light emitter connected with the optical splitter or the light emitters connected with other optical splitters, and the light emitters couple out the received electro-light and irradiate the received electro-light into a free light space for illumination. The electro-optic light is illumination light emitted from a light source using electricity as an energy source, and the electro-optic light source is a device emitting light by electricity, such as an LED, an energy-saving lamp, and an incandescent lamp.
Through the utility model discloses a structure, daytime, sunlight tracker provides the sunlight, and the sunlight will get into each illuminator through the spectroscope, owing to utilize be the sunlight, the lighting process of this system can save the electric energy in a large number. If the sunlight is insufficient or no sunlight is available to support effective illumination, the electric light source is started, on one hand, the electric light source can supply part of electric light to the space where the electric light source is located for illumination, on the other hand, on the basis of the principle that the light path is reversible, part of electric light of the electric light source is input into the light splitter through the coupler and enters other light emitters, and then the other light emitters can emit light for illumination when the sunlight is insufficient or no sunlight; one or several electric light sources can thus also provide the illumination light source for all the light emitters in the entire system, and an effective saving of electric energy is possible even when the electric light sources are required.
The first embodiment is as follows:
the above feature may be an embodiment shown in fig. 1, wherein the solar tracker 1 outputs the sunlight into the first beam splitter 2, two output ports of the first beam splitter 2 are respectively connected with one second beam splitter 3, two output ports of one second beam splitter 3 are respectively connected with one light emitter 4, and two output ports of the other second beam splitter 3 are respectively connected with one light emitter 4 and one electric light source 5. The illuminator 4 can adopt a fiber lamp and the like to couple out sunlight or electricity to a free light space;
the electric light source 5 can be a structure as shown in fig. 2, the line with an arrow indicates the illumination light emitted by the electric light source 5, the electric light source comprises a coupler 52, the coupler 52 is connected with the second optical splitter 3, the electric light emitted by the electric light source 5 is coupled into the second optical splitter 3, the coupler 52 is fixed with the electric light source 5 through some fixing structures 51, at least one part of the light emitting surface of the electric light source 5 faces the coupler 52, the fixing structures 51 can be screws, mechanical arms, hard rods and the like, according to the principle that the light path is reversible, the electric light is coupled into the second optical splitter 3 and the light emitter 4 in the reverse direction, a part of the electric light enters the light emitter 4, and the light emitter 4 emits the received electric light into the free light space; the light emitter 4 of fig. 2 can be replaced by another beam splitter, and if replaced by another beam splitter, the back-coupled electro-light enters the other beam splitter again for use. By connecting the light source to one output port of the light splitter, the light emitter can emit light as usual when sunlight does not exist or is weak. Preferably, the coupler 52 is a fiber collimator, which is connected to an output port of the optical splitter 3 through an optical fiber, and because the fiber collimator and the optical fiber have high coupling efficiency and low energy loss ratio, the coupler 52 can couple more electro-light into the optical fiber and guide the coupled light to the optical splitter 3. In practical engineering implementation, the electric light source 5 may be an electric light source such as a flashlight and an emergency lighting lamp, and is detachably fixed to the coupler, that is, the fixed structure of the fixed coupler and the electric light source is a detachable fixed structure (for example, a fastening way, a threaded connection way, and the like), and when there is no sunlight or the sunlight is weak, the coupler connected to the output port of a certain optical splitter is installed with a similar mobile electric light source such as a flashlight or an emergency lighting lamp, and a light source can be provided for the whole system.
The sunlight tracker, the optical splitter, the light emitter and the coupler of the electric light source can be connected by adopting a single optical fiber, an optical cable and the like, for example, the optical splitter guides sunlight to one light emitter at an output port of the optical splitter through 2km of optical fiber to provide illumination, then the sunlight and the electric light are transmitted by the optical fiber, the optical cable and the like, so that the space extensibility of the system is improved, the distance between the devices can be arbitrarily extended, and the optical splitter can be extended to a position close to the ground so as to be convenient for installation and maintenance. Generally, only the electric light source and the sunlight tracker need to be maintained, and other devices do not need to be maintained unless the conditions such as artificial damage, earthquake, fire and the like exist.
Example two:
the above feature may be an embodiment shown in fig. 3, the sunlight tracker 1 inputs sunlight into the first optical splitter 2, and two output ports of the first optical splitter 2 are respectively connected with a second optical splitter 3;
the two output ports of the second beam splitter 3 on the left in the figure are respectively connected with a light emitter 4 and a third beam splitter 6, and the two output ports of the third beam splitter 6 are respectively connected with a light emitter 4 and an electric light source 5;
the two output ports of the second beam splitter 3 on the right in the figure are respectively connected with a third beam splitter 6, the two output ports of the third beam splitter 6 on the left are respectively connected with a fourth beam splitter 7, and the two output ports of each fourth beam splitter 7 are respectively connected with a light emitter 4 and an electric light source 5; wherein, two output ports of the third optical splitter 6 on the right side are respectively connected with a light emitter 4 and an electric light source 5;
in the embodiment shown in fig. 3, in the case of sufficient sunlight, the light emitters 4 in the system are able to provide sufficient illumination, even if not, the electrical light source 5 can be turned on to supplement the illumination; when the sunlight is insufficient or no sunlight exists, the electric light source 5 is turned on, on one hand, a part of the electric light source 5 can provide illumination, and on the other hand, the other part of the electric light source 5 is reversely coupled into the light path to supply the light emitter 4 for illumination. The sunlight tracker, the light splitter, the illuminator and the light source can be connected by adopting a single optical fiber, an optical cable and the like, so that sunlight and electro-light are transmitted by adopting optical fibers, optical cables and the like, the space extensibility of the system is improved, the distance between the devices can be arbitrarily lengthened, and the light splitter can be extended to a position close to the ground so as to be convenient for installation and maintenance. The embodiment can be applied to places such as homes, airports, malls and the like, effectively saves electric energy and simultaneously provides enough illumination.
Example three:
the above feature may also be an embodiment as shown in fig. 4, where the solar tracker 1 inputs sunlight into the beam splitter 2; one output port of the optical splitter 2 is connected with a light emitter 4, and the other output port is connected with a second optical splitter 2; one output port of the second optical splitter 2 is connected with a light emitter 4, and the other output port is connected with the third optical splitter 2; in this way, as shown in the figure, N optical splitters 2 can be connected, one output port of the last optical splitter 2 is connected to one light emitter 4, and the other output port is connected to one electric light source 5. When the sunlight is sufficient, the sunlight collected by the sunlight tracker 1 is supplied to each light emitter 4 for illumination, and when the sunlight is insufficient or absent, the electro-optical light emitted by the electric light source 5 is coupled back to supply each light emitter 4 for illumination. In the figure, part of the light emitters 4 can be replaced by electric light sources 5 and the electric light sources 5 can be replaced by light emitters 4, but it must be ensured that at least one solar tracker 1 and at least one electric light source 5 are present in the system, so that sufficient illumination can be provided under any conditions. The embodiment can be used in application scenes such as a street lamp system and a tunnel lighting system which are neat and single in connection mode, and the preferred sunlight tracker 1, the light splitter 2, the light emitters 4 and the electric light source 5 are connected by optical fibers, so that the space ductility is improved, each light emitter 4 can be far away, the light splitter 2 can be close to the ground or buried underground, and the difficulty in installation and maintenance is reduced.
In the first to third embodiments, the sunlight tracker is used to track the solar azimuth and collect the sunlight and then output the sunlight from each output device of the sunlight tracker, and a commercially available sunlight tracker may be used, and the output device of the sunlight tracker may be a lens, an optical fiber coupling interface, or other devices; the output device as a lens is a common output port in the existing sunlight tracker, and the output port shapes the light beam of the sunlight and then couples the light beam into a device connected with the output port; when the output device is a fiber coupling interface, it can be directly interfaced with an optical fiber.
Preferably, in the above embodiments, the input port of each optical splitter is connected to the output port of the other optical splitter, or to one solar tracker, or to one electrical light source through an optical fiber; the output port of each optical splitter is connected with a light emitter or an electric light source through an optical fiber, the coupler arranged on the electric light source is an optical fiber collimator, and the optical fiber collimator inputs part of the electric light emitted by the electric light source into the optical splitter. Namely: the solar tracker 1 may be coupled to the input ports of the optical splitters (including the first optical splitter 2, the second optical splitter 3, the third optical splitter 6 and the fourth optical splitter 7) through optical fibers, each output port of each optical splitter is coupled to the light emitter 4 or the electric light source 5 through an optical fiber, and thin lines connecting the devices in the figure may be represented as optical fibers; the sunlight tracker 1, the light splitter, the light emitter 4 and the electric light source 5 are communicated with each other through the optical fiber, and the optical fiber has flexibility and extensibility, so that all parts can be installed at different positions and various positions, and the installation adaptability of the system is stronger. Preferably again, the optical splitter can adopt optic fibre beam splitter or slab waveguide beam splitter, when adopting optic fibre beam splitter, the utility model discloses can utilize optic fibre in the system better, because the coupling nature of optic fibre and optic fibre beam splitter is more, its energy loss still less.
In one embodiment, the optical fiber 6 coupled to the output port of one or more optical splitters is provided with an optical switch for turning off or on the light emitter 9 or other optical splitters coupled to the output port when necessary.
In one embodiment, as shown in fig. 5, the light emitter includes an optical fiber collimator 10 and a lens 11, sunlight in an optical fiber 6 coupled with the light emitter is coupled out to a free light space through the optical fiber collimator 10, the sunlight is coupled out to the free light space and then shaped by the lens 11 for illumination, a numerical aperture of the lens 11 is greater than or equal to a numerical aperture of the optical fiber collimator 10, the numerical aperture is used for representing a light receiving or scattering capability of an optical device, the larger the numerical aperture is, the larger a scattering member of a light beam can pass through is, when the numerical aperture of the lens 11 is greater than or equal to the numerical aperture of the optical fiber collimator 10, that is, all sunlight emitted by the optical fiber collimator 10 can be collected by the lens 11, so that no sunlight leaks out of the light emitter, and all sunlight can be shaped by the lens 11.
In some usage scenarios, based on the embodiment of fig. 5, the lens 11 is a focusing lens, which can be used for directional illumination, such as the illuminator needs to illuminate a specific direction or a specific area, and then the focusing lens is preferably used to reduce the divergence angle of the sunlight emitted from the fiber collimator 10 so as to illuminate a specific direction or a specific area; the lens 11 can also be a defocusing lens, which can be used for a large range of illumination, for example, the illuminator needs to illuminate a large range or a large area, and then the defocusing lens is used to further expand the divergence angle of the sunlight emitted from the fiber collimator 10 to achieve a larger illumination range.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A tree-branch lighting system, comprising: the sunlight tracking device comprises at least one sunlight tracker, at least one electric light source, a plurality of light splitters and a plurality of light emitters, wherein each light splitter comprises an input port and two output ports;
the input port of each optical splitter is connected with the output ports of other optical splitters, or a sunlight tracker, or an electric light source;
the output port of each optical splitter is connected with a light emitter or an electric light source;
at least one electric light source is connected with an input port or an output port of one optical splitter, and at least one sunlight tracker is connected with an input port of one optical splitter;
the sunlight tracker is used for tracking the solar azimuth and collecting sunlight and then inputting the sunlight into the light splitter, the light splitter sends the received sunlight to the light emitter connected with the light splitter or the light emitters connected to other light splitters, and the light emitters couple out the received sunlight to irradiate the free light space for illumination;
the light source is provided with a coupler, the coupler inputs part of electro-light emitted by the light source into the light splitter, the light splitter transmits the received electro-light to the light emitter connected with the light splitter or the light emitters connected to other light splitters, and the light emitters couple out the received electro-light and irradiate the received electro-light to a free light space for illumination.
2. The tree-branching illumination system of claim 1, wherein: the input port of each optical splitter is connected with the output ports of other optical splitters, or a sunlight tracker, or an electric light source through optical fibers;
the output port of each optical splitter is connected with a light emitter or an electric light source through an optical fiber, the coupler arranged on the electric light source is an optical fiber collimator, and the optical fiber collimator inputs part of the electric light emitted by the electric light source into the optical splitter.
3. The tree-branching illumination system of claim 2, wherein: and an optical switch is arranged on an optical fiber coupled with the output ports of one or more optical splitters.
4. The tree-branching illumination system as claimed in any one of claims 1 to 3, wherein: the illuminator comprises an optical fiber collimator and a lens, the lens is arranged in the light-emitting direction of the optical fiber collimator, sunlight or electro-light in an optical fiber coupled with the illuminator is coupled out to a free light space through the optical fiber collimator, the sunlight or the electro-light is shaped through the lens after being coupled out to the free light space, and then illumination is carried out, and the numerical aperture of the lens is larger than or equal to that of the optical fiber collimator.
5. The tree-branching illumination system of claim 4, wherein: the lens adopts a focusing lens.
6. The tree-branching illumination system of claim 4, wherein: the lens is a defocusing lens.
7. The tree-branching illumination system as claimed in any one of claims 1 to 3, wherein: the light splitter adopts an optical fiber beam splitter or a slab waveguide beam splitter.
8. The tree-branching illumination system as claimed in any one of claims 1 to 3, wherein: the coupler is an optical fiber collimator and is connected with one output port of the optical splitter through an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423621.5U CN210319622U (en) | 2019-08-29 | 2019-08-29 | Tree-shaped branch lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423621.5U CN210319622U (en) | 2019-08-29 | 2019-08-29 | Tree-shaped branch lighting system |
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| Publication Number | Publication Date |
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| CN210319622U true CN210319622U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921423621.5U Active CN210319622U (en) | 2019-08-29 | 2019-08-29 | Tree-shaped branch lighting system |
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| CN (1) | CN210319622U (en) |
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- 2019-08-29 CN CN201921423621.5U patent/CN210319622U/en active Active
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