A kind of novel free-standing underground space lighting device
Technical field
The present invention relates to the novel of a kind of underground space lighting device more particularly to a kind of combination solar energy and optical fiber
Free-standing underground space lighting device.
Background technique
Growing steadily with society's macroeconomic is horizontal, market resource becomes increasingly abundant, and urbanization policy is gradually implemented,
The living standard of city dweller is continuously improved, social dominance's resource mostly concentrates on big city.It is private since urban population increases severely
The factors such as family's vehicle ownership big traffic pressure is also increasing, and urban sprawl is rapid, and urban land is in short supply, and in the city in China
Every traffic infrastructure and its management level fall behind relatively in construction, are not able to satisfy social fast development and need to force people
Constantly explore urban future development direction.For the influence for reducing the unfavorable factors such as urban capacity, area, road traffic is effectively reduced
"urban disease" under the influence of the unfavorable factors such as growth, people realize that the comprehensive of city can just in active development urban underground space
Sustainable development.
It is annual to be developed there are many underground space, such as underground supermarket, underground garage, underground vcehicular tunnel, subway
Deng.Rapid exploitation with people to the underground space, underground lighting also just become emphasis concerned by people.Traditional approach is universal
Directly illuminated completely using electric energy, and the underground space does not have solar irradiation because of long-term, in order to guarantee that the illumination of underground is had to
24 hours uninterrupted power supplies are selected, not only cause mass energy waste in this way, it is also possible to because aging circuit causes great peace
Full accident.Thus people start to explore more novel, energy saving, safe underground lighting mode.Solar energy, this is inexhaustible,
Nexhaustible clean energy resource becomes people in the research focus of underground lighting application aspect.
The application for solar energy in terms of underground lighting mainly has 3 kinds at present, and one is pass through optical fiber directly by the sun
Light imports the space for needing to illuminate, and achievees the purpose that illumination.As Publication No. CN107218576A discloses a kind of combination optical fiber
Lighting system, principle be sunlight is concentrated on optical fiber by funnel, sunlight is oriented to by other places by optical fiber;Again
If Publication No. CN207146267U discloses a kind of indoor light-supplementing system, principle is also that sunlight is imported room using optical fiber
In achieve the purpose that illumination, but this very big, nothing is directly individually influenced by weather by the method that optical fiber light-guiding illuminates
Method makes up the problem of the illumination deficiency in night, and the illumination that above two utility model is only applicable to auxiliary room can not round-the-clock be
Room provides illumination.Second is directly to be converted solar energy into electrical energy using photovoltaic panel, is reached with the operation of electric drive electric light
The purpose of illumination.If Publication No. CN108730890A discloses a kind of utilization solar energy photovoltaic panel power generation, street lighting is driven
Device.Directly using solar power generation come drive lamp lighting in the way of also by serious weather restriction, especially when long
Between illumination it is undesirable during, accumulator pole may have the phenomenon that consumption, suitable for ground night illumination and be not suitable for ground
Bottom illumination.The third method is then to combine the method illuminated with solar energy photovoltaic panel in conjunction with optical fiber to mention for a long time for ground end
For illumination.As Publication No. CN107702043A disclose it is a kind of optical fiber in such a way that solar energy photovoltaic panel combines
Illumination is provided, this mode not only overcomes the shortcomings that only can not providing illumination at night with optical fibre illumination, moreover it is possible on daytime
The load for mitigating photovoltaic panel battery enables battery to work at night for a long time, achievees the purpose that whole day illuminates.But
The device is not carried out the tracking of sunlight, reduces the efficiency by optical fiber light-guiding, and in addition such device is not generally from electricity
It is independent in net, it cannot be fully achieved that power self-support is self-sustaining, and the unlatching of electric light is not carried out intelligent control, needs personnel's
Manipulation.
Summary of the invention
In view of the above-mentioned problems, the utility model devises a kind of novel free-standing underground space lighting device.
System operation thinking is: during the day, photomask 12 makes it constantly under the driving of sunlight follow-up mechanism 2
The angle for adjusting photomask is straight where the center at the center of Fresnel Lenses 1, convex lens 6 and the top of optical fibers 4 until allowing
Line is parallel with sunlight, so that solar energy concentrates on optical fiber top with maximal efficiency, sunlight comes out from end to be passed through
It is passed to the underground space after reflector 9 and scattering sheet 8 and achievees the purpose that illumination;The solar energy that solar energy photovoltaic panel 3 will be then collected into
It is converted into electric energy, most of be passed in battery 10 by conducting wire stores, and small part is then on daytime for driving sunlight
The operation of tracker.When to evening, sunlight follow-up mechanism is out of service, when the photosensitive switch 7 for being located at ground or more incudes
Its built-in switch will be closed after certain value by, which being lower than to ground Intensity of the sunlight, is connected to battery 10 with electric light 11, drives
The operation of electric light achievees the purpose that illuminate at night, is realized whole day 24 hours with this and provides illumination for the underground space.
Wherein the center of the Fresnel Lenses, the center of convex lens and optical fiber top are in a straight line always,
And optical fiber guides underground into from ground through lamppost.
Wherein the sunlight follow-up mechanism fixes the bottom end of photomask and the top of optical fibers, is passed through by conducting wire
Lamppost and solar energy photovoltaic panel are directly connected to and are provided by it electric energy.
Wherein the solar energy photovoltaic panel is individually fixed on the crossbearer of lamppost two sides, and keeps certain inclination with horizontal plane
Degree.
Wherein the battery is connect with two solar energy photovoltaic panels respectively by conducting wire, and battery locates below ground level,
The conducting wire passes through ground inside lamppost.
Wherein the electric light is all connected with photosensitive switch, and photosensitive switch connects battery, and photosensitive switch is located at ground or more.
Wherein the reflector inner wall posts aluminium foil reflecting layer, and reflector open bottom end is equipped with scattering sheet.
The utility model has the advantages that:
1, using doublet optically focused, optical fibers conductive strength is improved;2, solar energy photovoltaic panel and optical fibers are mutual
It mends, compensates for optical fibers inoperable defect at night, while also avoiding battery whole day load, extend battery
Service life reduces later maintenance cost;3, it is manipulated come the operation of intelligent control electric light without artificial using photosensitive switch,
Save human cost: 4, the device independence is strong, without consuming the electricity in power grid, adapts to any environment for having sunlight;5,
Structure is simple, cheap, practical, can promote the use of on a large scale.
Detailed description of the invention
Fig. 1 is the underground lighting schematic device of the utility model embodiment.
In figure: 1, Fresnel Lenses;2, sunlight follow-up mechanism;3, solar energy photovoltaic panel;4, optical fibers;5, lamppost;
6, convex lens;7, photosensitive to open the light;8 scattering sheets;9, reflector;10, battery;11, electric light.
Fig. 2 is diversity type Fresnel Lenses.
12, diversity type Fresnel Lenses;13, Fresnel Lenses unit.
Fig. 3 is light diversity device.
2, sunlight follow-up mechanism;4, optical fibers;12, diversity type Fresnel Lenses;14, orifice plate.
Specific embodiment
1, Fig. 2, Fig. 3 and embodiment are described further non-limiting the utility model with reference to the accompanying drawing.
During the day, photomask 12 makes it constantly adjust the angle of photomask under the driving of sunlight follow-up mechanism 2,
Until making straight line where center, the center of convex lens 6 and the top of optical fibers 4 of Fresnel Lenses 1 parallel with sunlight, make
It obtains solar energy and optical fiber top is concentrated on maximal efficiency, after sunlight passes through reflector 9 and scattering sheet 8 out from end
The incoming underground space achievees the purpose that illumination;Solar energy photovoltaic panel 3 then converts electric energy for the solar energy being collected into, most of logical
It crosses in the incoming battery 10 of conducting wire and stores, small part then is used to drive the operation of sunlight tracker on daytime.To evening
When upper, sunlight follow-up mechanism is out of service, when the photosensitive switch 7 for being located at ground or more senses that ground Intensity of the sunlight is low
Its built-in switch will be closed after certain value is connected to battery 10 with electric light 11, drives the operation of electric light to reach and shines at night
Bright purpose is realized whole day 24 hours with this and provides illumination for the underground space.
Further, the power supply of sunlight follow-up mechanism only is from one in solar energy photovoltaic panel, to guarantee battery energy
It is enough to store to sufficient electric energy.
Further, the lens being relatively large in diameter use Fresnel Lenses, and the lesser lens of diameter use convex lens, to reduce dress
The manufacturing cost set.
Further, the diameter of optical fibers and radical need to be determined according to the lighting requirement of local environment and the underground space.
Further, the center of Fresnel Lenses, the center of convex lens and optical fiber top are in a straight line always, and
Optical fiber guides underground into from ground through lamppost, is intended merely to that the collection efficiency of optical fibers and protection optical fibers can be reinforced
From the influence of ambient enviroment.
Further, all conducting wires will be by passing through ground, to guarantee the safety of cable inside lamppost.
Further, solar energy photovoltaic panel is individually fixed on the crossbearer of lamppost two sides, and keeps certain inclination with horizontal plane
Degree, depending on the geographical location locating for the device of the inclined degree and direction, purpose is in order to enhance the light harvesting of solar energy photovoltaic panel
Efficiency.
Further, battery is connect with two solar energy photovoltaic panels respectively by conducting wire, and battery locates below ground level,
Guarantee to be also convenient for protection battery while the charge capacity of battery.
Further, electric light is all connected with photosensitive switch, and photosensitive switch connects battery, and photosensitive switch is located at ground or more.
Further, it is photosensitive open the light it is settable with lamppost on, can also separately set carrier for install it is photosensitive open the light, in order to photosensitive
Switch can accurately sense the variation of ground intensity of sunshine.
Further, reflector inner wall posts aluminium foil reflecting layer, it is therefore intended that reduces the end loss of optical fibers.
Further, reflector open bottom end is equipped with scattering sheet, so that light is scattered, reduces the dizziness value in illumination space.
The device is applied widely, can be used for underground parking, subway station, get down the highway, the underground spaces such as vcehicular tunnel,
The ground of especially city Central Artery is got down the highway or remote subterranean tunnel etc., which can meet the photograph in these places well
Bright demand.
For example, if the illumination that the device is got down the highway with being used for, the device can be installed on both sides of the road as common street lamp
Or central green belt.When daytime, optical fibers can conduct the sunlight being collected into underground, can be used as the instruction of road
The road Deng Huo roadside exterior feature lamp can then be energized when evening by battery and be illuminated.Since road tunnel often extends very long, lighting device
It does not concentrate, if taking centralized control monitoring system to will increase initial investment to be monitored to the operation conditions of street lamp, and the later period
Maintenance cost is high.And the present apparatus is independent novel lighting apparatus completely from power grid, it is wireless in combination with cheap Lara
Pyroelectric monitor system is monitored accumulator electric-quantity, and controls it without personnel, powers without to it.Into one
Step can be used a-si solar panel, be equipped with spare electric power storage if the device is used for solar energy resources area not abundant
Pond, solar panel by power storage in two batteries, the period that illumination can be answered well not strong.
For another example, which can also apply to subway station, more demanding to illuminating since subway flow of the people is big, therefore, for
The light harvesting and light conduction efficiency of optical fibers are more demanding.Diversity type Fresnel Lenses 12 can be used at this time and substitute original Fei Nie
That lens 1, remove convex lens 6, add orifice plate 14, and optical fiber 4 can be divided into multiply and be individually fixed on orifice plate 14, a luxuriant and rich with fragrance alunite
You only serve one optical fibers by lens unit 13, and light guide effect can be been significantly enhanced, and can be met in the most of the time
The lighting requirement of subway station reduces the illumination power consumption of subway station.
The above is only the citing of the preferred embodiment of the utility model, wherein the part that do not address in detail is ability
The common knowledge of domain those of ordinary skill.Protection scope of the present invention is based on the contents of the claims, any based on the present invention
Technical inspiration and the equivalent transformation that carries out, such as the change of battery and photosensitive switch present position, solar energy photovoltaic panel
The change etc. of power, also in the protection scope of the utility model.