CN103032810B - Intellectual solar fibre-optical laser mixed lighting device and control method thereof - Google Patents

Abstract

An intelligent solar fiber laser hybrid lighting device, including an automatic tracking system, a power supply system, an optical fiber light guide system, a laser generator and a tail light, the automatic tracking system includes a glass cover, a motor, a deceleration device, a bracket, an electric telescopic rod, Transmission rod, tracking sensor and main control module, the power supply system includes a first solar panel, a second solar panel, a third solar panel and a storage battery, and the optical fiber light guide system includes a concentrating unit, an optical fiber, an optical fiber coupling The laser generator includes a red, green, and blue laser device, and the tail light includes a fiber optic light, an LED light, an LED driver, a 220V mains power supply, and a light sensor. By adopting the invention, the stability of the system can be guaranteed under the condition of irregular sunlight, the manufacturing and operating costs are low, and energy saving and environmental protection are achieved.

Description

Intelligent solar fiber laser hybrid lighting device and its control method

technical field

The invention relates to an optical fiber lighting device, in particular to an intelligent solar fiber laser hybrid lighting device and a control method thereof.

Background technique

At present, with the gradual consumption of non-renewable energy such as coal, oil, and natural gas, energy issues have attracted more and more attention from humans, and energy conservation and environmental protection have attracted more and more attention from humans. It is important to develop and utilize new energy and reduce the consumption of non-renewable energy. The only choice for the sustainable development of human society. Human beings have a long history of utilizing solar energy, but their utilization efficiency is not high. At present, the highest efficiency of photovoltaic power generation is only 25%, and its manufacturing cost is very high. If the sunlight is directly used for lighting, without the light-electricity-light conversion link, its efficiency will be greatly improved. However, due to geographical, weather and other reasons, the instability of sunlight exists, so the current domestic fiber optic lighting is limited. very big.

Contents of the invention

In order to overcome the above-mentioned shortcomings of the current technology, the present invention provides an intelligent solar-fiber-laser hybrid lighting device and its control method, which uses optical fiber to directly introduce sunlight into indoor lighting when the sky is clear, and uses a laser generator to maintain the stability of light intensity In rainy days, cloudy days and at night, the electric energy stored in the battery is used to import laser lighting through optical fibers; when the sunlight and the power in the battery are insufficient, the LED lighting is turned on to maximize the use of solar energy and save primary energy as much as possible. . The device has low manufacturing cost, stable operation, improves the utilization rate of solar energy, and effectively saves energy.

In order to achieve the above object, the technical solution of the present invention is: an intelligent solar fiber optic laser hybrid lighting device, which is a hybrid lighting device composed of optical fiber light guide lighting, laser lighting and LED lighting. It includes automatic tracking system, power supply system, optical fiber light guide system, laser generator and tail light. The automatic tracking system includes glass cover, motor, deceleration device, bracket, electric telescopic rod, transmission rod, tracking sensor and main control module. The power supply system includes a first solar panel, a second solar panel, a third solar panel and a storage battery, the optical fiber light guide system includes a light concentrating unit, an optical fiber, and a fiber coupler, and the laser generator includes red, green, and blue Three-color laser device, the tail light includes fiber optic light, LED light, LED driver, 220V mains power supply and light sensor.

The tracking sensor consists of a cylinder, a first horizontal silicon photocell outside the cylinder, a second horizontal silicon photocell, a first vertical silicon photocell, a second vertical silicon photocell, a Fresnel lens and an array inside the cylinder. The photosensitive sensor is composed of silicon photocells in four directions, which are divided into two pairs, each pair is at a 45-degree angle, and the "eight" shape is placed outside the cylinder. One pair controls the angle in the horizontal direction, and the other pair controls the angle in the vertical direction.

The main control module includes a circuit module, a liquid crystal display, buttons, the main control module, the motor, the electric telescopic rod and the tracking sensor are connected through data lines, the deceleration device and the motor are installed on the fixed platform in the glass cover, and the bracket is installed vertically on the deceleration On one rotation axis of the device, the bottom end of the electric telescopic rod is connected to one end of the protruding rod in the middle of the bracket, and the other end is connected to the rod fixed at the bottom of the hemispherical frame where the daylighting module is placed, and the bottom of the hemispherical frame is installed on the top of the bracket , the tracking sensor is installed in the hemispherical frame and is perpendicular to the circular plane of the hemispherical frame.

The power supply system includes a first solar battery panel, a second solar battery panel, a third solar battery panel and a storage battery. The first solar panel is installed on the position of the daylighting plane; the second solar panel is installed on the rotating shaft connected with the micro-motor; the third solar panel is a fixed solar panel, and the three solar panels are charged by solar energy to charge the battery.

The optical fiber light guiding system includes a light concentrating unit, an optical fiber, and an optical fiber coupler. One end of the optical fiber is connected to the optical fiber holder, and the other end is connected to the first input end of the optical fiber coupler. The second input end of the optical fiber coupler, the second The three input terminals and the fourth input terminal are respectively connected to the output terminals of the red, green and blue lasers of the laser generator, and the output terminals of the fiber coupler are connected to the indoor tail lights through optical fibers.

The concentrating unit includes a Fresnel lens, a cylinder, a solar panel, a micromotor, an optical filter, and an optical fiber holder. The Fresnel lens is installed on the top of the cylinder, and the solar panel is fixed on the micromotor. On the rotating shaft, the micro motor is installed on the outside of the cylinder, and the optical filter is installed on the funnel-shaped mouth of the optical fiber holder.

The laser generator is connected to the battery through a power line, the laser generator is connected to the main control module through a signal line, and the output terminals of the laser generator are connected to the three input terminals of the fiber coupler.

The tail light includes a fiber optic light, an LED light, an LED driver, a 220V mains power supply and a light sensor, the fiber optic light is connected to the indoor optical fiber, the LED light and the light sensor are connected to the LED driver through wires, and the LED driver is connected to the 220V mains power supply.

The control method of the intelligent solar fiber laser hybrid lighting device includes the following steps: a clock chip is set in the main control module, the automatic tracking system starts to work at 6:00 according to the time set by the clock chip, and the automatic tracking system starts working at 20:00 Reset, the silicon photocells in the four directions outside the tracking sensor start to collect sunlight intensity, convert the light intensity into an analog electrical signal, and then convert it into a digital signal, divide the light intensity into 1024 levels, and judge whether there is sunlight according to the light intensity. When the light intensity reaches a certain level, compare the light intensity in which direction, and then drive the motor and the electric telescopic rod to rotate in that direction until the light intensity on the two silicon photocells of each pair is the same, and then they are basically aligned. When the sun is set, read the data of the array photosensitive sensor to determine the coordinates of the sunlight converging point, drive the motor and the electric telescopic rod to move the sunlight converging point to the center point, and accurately align the sun so that the sunlight hits the Fresnel lens vertically above, accurately converging into the funnel-shaped light inlet of the fiber holder, the first solar panel, the second solar panel, and the third solar panel charge the battery through the charging controller, and the main control module according to the collected sunlight intensity Adjust the angle of the solar panel in the concentrating unit, adjust the amount of incoming light, and keep the light stable. If the sunlight intensity is lower than the set value, the main control module will send a signal to the laser generator, and the laser generator will generate laser light. The fiber coupler is added to the optical fiber to maintain the stability of the light. When the intensity of sunlight reaches the set value, the main control module sends a signal to the laser generator to stop generating laser light. When no light is transmitted to the taillights, that is, when the sunlight is too weak And when the battery power is low, when the light sensor detects that there is no incoming light from the fiber optic lamp, it generates a high level and sends it to the LED driver to start the LED lighting. When it detects that the fiber optic lamp has light incoming, it generates a low level and sends it to the LED driver, turn off LED lighting.

The outstanding advantage of the present invention is that,

Due to the design of a hybrid lighting device composed of solar fiber optic light guide lighting, laser lighting and LED lighting, the optical fiber is used to directly introduce sunlight into the indoor lighting when the sky is clear, and the laser generator is used to maintain the stability of the light; rainy days, cloudy days and nights The electric energy stored in the storage battery is used to guide the laser lighting through the optical fiber; when the sunlight and the power in the storage battery are insufficient, the LED lighting is turned on to maximize the use of solar energy and save primary energy as much as possible. The device has low manufacturing cost, stable operation, improves the utilization rate of solar energy, and effectively saves energy.

Description of drawings

Fig. 1 is a structural schematic diagram of an automatic solar optical fiber lighting device according to the present invention.

Figure 2 is a structural diagram of the tracking sensor.

Fig. 3 is a top view of a tracking sensor.

Fig. 4 is a structural diagram of the light concentrating unit.

Figure 5 is a structural diagram of the tail light.

Fig. 6 is a structural diagram of a fiber coupler.

Detailed ways

The technical solutions of the present invention will be further described below through the accompanying drawings and embodiments.

As shown in Figure 1, an intelligent solar fiber laser hybrid lighting device includes an automatic tracking system, a power supply system, a fiber optic light guide system, a laser generator and a tail light.

The automatic tracking system includes a glass cover 1 , a motor 2 , a deceleration device 3 , a bracket 4 , an electric telescopic rod 5 , a transmission rod 6 , a tracking sensor 8 and a main control module 12 .

As shown in Figure 2 and Figure 3, the tracking sensor consists of a cylinder 806, a first horizontal silicon photocell 802 outside the cylinder, a second horizontal silicon photocell 803, a first vertical silicon photocell 804, a second vertical silicon photocell The photocell 805, the Fresnel lens 801 and the array photosensitive sensor 807 inside the cylinder are composed. The silicon photocells in four directions are divided into two pairs, and each pair forms an angle of 45 degrees. The pair controls the horizontal rotation, and the pair controls the vertical angle. The voltage and current generated by silicon photovoltaic cells are not only related to the intensity of light, but also related to its equivalent photosensitive area. Under the same light conditions, the larger the equivalent photosensitive area, the greater the generated voltage and current. When the sunlight hits the Fresnel lens of the tracking sensor vertically, the angle formed by the sunlight and the four silicon photocells is the same, that is, the equivalent photosensitive area of the silicon photocells is the same, and the voltage signal generated on the silicon photocells is Equally, when the sunlight is not perpendicular to the Fresnel lens, the angle between the sunlight and the four silicon photocells will be deviated, that is, the equivalent photosensitive area of the silicon photocell is different, and the voltage signal generated on the silicon photocell will be different. When the voltage on the silicon photovoltaic cell 802 in the first horizontal direction is greater than the voltage on the silicon photovoltaic cell 803 in the second horizontal direction, the main control module will drive the motor 2 to rotate clockwise; otherwise, when the voltage on the silicon photovoltaic cell 803 in the second horizontal direction If it is greater than the voltage on the silicon photoelectric cell 802 in the first horizontal direction, the main control module will drive the motor 2 to rotate counterclockwise. When the voltage on the silicon photovoltaic cell 804 in the first vertical direction is greater than the voltage on the silicon photovoltaic cell 805 in the second vertical direction, the main control module will drive the electric telescopic rod 5 to increase the length of the electric telescopic rod 5 and rotate downwards; otherwise, when the second When the voltage on the silicon photovoltaic cell 805 in the vertical direction is greater than the voltage on the silicon photovoltaic cell 804 in the first vertical direction, the main control module drives the electric telescopic rod 5 to reduce the length of the electric telescopic rod 5 and rotate upward. This is how four-directional silicon photovoltaic cells work.

When the voltages generated by the silicon photocells in the four directions are the same, it is roughly aligned with the sun, and then the focus point is accurately aligned to the center through the array photosensitive sensor 807 in the cylinder.

The main control module 12, the motor 2, the electric telescopic rod 5 and the tracking sensor 8 are connected through data lines. The deceleration device 3 and the motor 2 are installed on the fixed platform in the glass cover 1, and the support 4 is vertically installed on a rotating shaft of the decelerating device 3 and can rotate in a circle with the rotating shaft. The bottom end of the electric telescopic rod 5 is connected in the middle of the support 4 One end of the protruding rod, the other end is connected with the transmission rod 6 fixed on the bottom of the hemispherical frame 27 that places the light collecting unit 25, the bottom of the hemispherical frame 27 is installed on the top of the support 4, and the tracking sensor 8 is installed on the hemispherical frame 27 is perpendicular to the circular plane of the hemispherical frame 27.

The power supply system includes a first solar panel 7 , a second solar panel 9 , a third solar panel 13 and a storage battery 14 . The first solar panel 7 is a flexible solar panel, which is cut and installed on the blank position of the daylighting plane; the second solar panel 9 is a monocrystalline silicon solar panel, which is installed on a micromotor 11 on the rotating shaft that links to each other, can adjust its angle by micro-motor 11, so that adjust the incident amount of sunlight. The third solar battery panel 13 is a fixed solar panel, and all three kinds of solar panels charge the storage battery through a solar charger.

The optical fiber light guiding system includes a light concentrating unit 25 , an optical fiber 22 and an optical fiber coupler 21 . One end of the optical fiber 22 is connected to the fiber holder 24 of the light concentrating unit 25, and the other end is connected to the first input end 2101 of the fiber coupler 21, the second input end 2102, the third input end 2103, the second input end 2103 of the fiber coupler 21 The four input terminals 2104 are respectively connected to the red, green and blue laser output terminals of the laser generator 16, and the output terminal 2105 of the fiber coupler 21 is connected to the taillight 19 in the room through an optical fiber.

As shown in Figure 4, described concentrating unit comprises Fresnel lens 10, cylinder 26, solar panel 9, micro-motor 11, optical filter 23, optical fiber holder 24, and Fresnel lens 10 is installed in cylinder 25 top, solar cell panel 9 is fixed on the rotating shaft that links to each other with micromotor 11, can adjust its angle by micromotor 11, adjust the incident amount of sunlight, to keep the stable light transmitted to the room, charge battery 14 simultaneously. The micro-motor 11 is installed on the outside of the cylinder 25, and the optical filter 23 is installed on the funnel-shaped mouth of the optical fiber holder 24.

The laser generator includes red, green and blue laser generators. The laser generator 16 is connected to the battery 14 through a power line, and the laser generator 16 is connected to the main control module 12 through a signal line. The output end of the laser generator 16 is connected to three input ends of the fiber coupler 21 . The intensity of the laser generator 16 is divided into 1024 levels, and it is controlled by a program to generate lasers with 0-1024 levels of intensity, so as to generate supplementary laser illumination complementary to the intensity of sunlight.

As shown in FIG. 5 , the tail light includes a fiber optic light 19 , an LED light 18 , an LED driver 17 , a 220V mains power supply 15 and a light sensor 20 . The optical fiber lamp 19 is connected to the optical fiber inserted into the room, the LED lamp 18 and the light sensor 20 are connected to the LED driver through wires, and the LED driver 17 is connected to the 220V mains power supply.

A control method for an intelligent solar fiber laser hybrid lighting device, in which a clock chip is provided in the main control module 12, the automatic tracking system starts to work at 6:00 according to the time set by the clock chip, and the automatic tracking system resets at 20:00. The four-direction silicon photocells outside the tracking sensor start to collect sunlight intensity, convert the light intensity into an analog electrical signal, and then convert it into a digital signal, divide the light intensity into 1024 levels, and judge whether there is sunlight according to the light intensity. When the light intensity reaches To a certain extent, compare the light intensity in which direction, and drive the motor 2 and the electric telescopic rod 5 to rotate in that direction until the light intensity on the two silicon photocells of each pair is the same, and they are basically aligned. sun. Read the data of the array photosensitive sensor in the cylinder of tracking sensor 8 again, determine the coordinates of sunlight converging point, drive motor 2 and electric telescopic rod 5 and make sunlight converging point move on the central point, accurately aim at the sun. The sunlight is vertically irradiated on the Fresnel lens and accurately converged into the funnel-shaped light inlet of the fiber holder. The first solar battery panel 7, the third solar battery panel 13 and the solar battery panel 9 in the daylighting unit charge the accumulator through the charging controller. The main control module 12 intelligently adjusts the angle of the solar panel in the daylighting unit according to the intensity of sunlight collected, adjusts the amount of incoming light, and keeps the light stable. If the sunlight intensity is lower than the set value, the main control module 12 sends a signal and the sunlight intensity to the laser generator 16, and the laser generator 16 generates laser light, which is added to the optical fiber through the fiber coupler 21 to maintain the stability of the light. When the intensity of sunlight reaches the set value, the main control module 12 sends a signal to the laser generator 16 to stop generating laser light. When no light is transmitted to the tail light, that is, when the sunlight is too weak and the battery power is insufficient, the light sensor 20 detects that the optical fiber lamp 19 does not have light incoming and generates a high level and sends it to the LED driver to start the LED lamp lighting. When it is detected that there is incoming light from the fiber optic light, a low level is generated and sent to the LED driver to turn off the LED lighting.

FIG. 6 shows a schematic diagram of the structure of the fiber coupler 21 . The principle is to use the principle of total reflection of light to reduce light attenuation, thereby improving light transmission efficiency. The inner layer of the fiber coupler 21 is an optically dense medium, and the outer layer is an optically sparse medium. Can reduce the loss of light in the coupling process.

Claims (2)

1. An intelligent solar fiber laser hybrid lighting device, comprising an automatic tracking system, a power supply system, an optical fiber light guide system, a laser generator and a tail light, is characterized in that the automatic tracking system includes a glass cover, a motor, a deceleration device, Bracket, electric telescopic rod, transmission rod, tracking sensor and main control module, the main control module is connected with the motor, electric telescopic rod and tracking sensor through the data line, the deceleration device and the motor are installed on the fixed platform in the glass cover, the bracket It is vertically installed on a rotating shaft of the deceleration device. The bottom end of the electric telescopic rod is connected to one end of the protruding rod in the middle of the bracket, and the other end is connected to the transmission rod fixed at the bottom of the hemispherical frame where the daylighting module is placed. The bottom of the hemispherical frame Installed on the top of the bracket, the tracking sensor is installed in the hemispherical frame and is perpendicular to the circular plane of the hemispherical frame, The power supply system includes a first solar cell panel, a second solar cell panel, a third solar cell panel and a battery, the first solar cell panel is installed at the position of the daylighting plane, and the second solar cell panel is installed at the On the rotating shaft, the third solar panel is fixedly installed on the battery frame, and the three solar panels charge the battery through the solar charger. The optical fiber light guiding system includes a light concentrating unit, an optical fiber, and a fiber coupler. One end of the optical fiber is connected to the fiber holder of the light concentrating unit, the other end is connected to the first input end of the fiber coupler, and the second end of the fiber coupler The input end, the third input end, and the fourth input end are respectively connected to the red, green, and blue laser output ends of the laser generator, and the output end of the fiber coupler is connected to the indoor taillight through an optical fiber. The condensing unit includes a Fresnel lens, a cylinder, a micromotor, an optical filter, and an optical fiber holder. The Fresnel lens is installed on the top of the cylinder, the micromotor is installed on the side of the cylinder, and the optical filter is installed on the side of the cylinder. On the funnel-shaped light inlet of the fiber holder, The laser generator is a device capable of generating multiple sets of red, green and blue lasers. The laser generator is connected to the battery through a power line and connected to the main control module through a signal line. The output terminal of the laser generator is connected to an optical fiber Three input terminals of the second input terminal, the third input terminal and the fourth input terminal of the coupler, The tail light includes fiber optic light, LED light, LED driver, 220V mains power supply and light sensor, the fiber optic light is connected to the indoor optical fiber, the LED light and light sensor are connected to the LED driver through wires, and the LED driver is connected to the 220V mains power supply, The tracking sensor consists of a cylinder, a first horizontal silicon photocell outside the cylinder, a second horizontal silicon photocell, a first vertical silicon photocell, a second vertical silicon photocell, a Fresnel lens and an array inside the cylinder. The photosensitive sensor is composed of silicon photocells in four directions, which are divided into two pairs, each pair is at a 45-degree angle, and the "eight" shape is placed outside the cylinder. One pair controls the angle in the horizontal direction, and the other pair controls the angle in the vertical direction. 2. The control method of the intelligent solar fiber laser hybrid lighting device as claimed in claim 1, it is characterized in that comprising the steps: There is a clock chip in the main control module, the automatic tracking system starts to work at 6:00 according to the time set by the clock chip, and the automatic tracking system resets at 20:00, and the silicon photocells in four directions outside the tracking sensor start to collect the sunlight intensity Convert it into an analog electrical signal, and then convert it into a digital signal, divide the light intensity into 1024 levels, judge whether there is sunlight according to the light intensity, and when the light intensity reaches a certain level, then compare which direction the light intensity is higher, and then drive the motor Turn the electric telescopic rod in that direction until the light intensity on the two silicon photocells of each pair is the same, and then it is basically aligned with the sun, and then read the data of the array photosensitive sensor to determine the coordinates of the sunlight gathering point , drive the motor and electric telescopic rod to move the sunlight converging point to the center point, align the sun accurately, make the sunlight shine on the Fresnel lens vertically, and accurately converge into the funnel-shaped light inlet of the fiber holder, the first solar energy The battery board, the second solar battery board, and the third solar battery board are charged to the storage battery through the charge controller, and the main control module adjusts the angle of the second solar battery board in the concentrating unit according to the intensity of sunlight collected, and adjusts the amount of incoming light, so that The light remains stable. If the sunlight intensity is lower than the set value, the main control module sends a signal to the laser generator, which generates laser light, which is supplemented into the optical fiber through the fiber coupler to maintain the stability of the light intensity. When the sunlight When the intensity reaches the set value, the main control module sends a signal to the laser generator to stop generating laser light. When no light is transmitted to the tail light, that is, when the sunlight is too weak and the battery power is low, the light sensor detects that the fiber optic light has no light transmission. When it is input, a high level is sent to the LED driver to start the LED lighting. When the fiber optic light is detected, a low level is sent to the LED driver to turn off the LED lighting.