CN102374479B - Sunshine conveyer and LED (light-emitting diode) complementary lighting device - Google Patents
Sunshine conveyer and LED (light-emitting diode) complementary lighting device Download PDFInfo
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- CN102374479B CN102374479B CN 201110288405 CN201110288405A CN102374479B CN 102374479 B CN102374479 B CN 102374479B CN 201110288405 CN201110288405 CN 201110288405 CN 201110288405 A CN201110288405 A CN 201110288405A CN 102374479 B CN102374479 B CN 102374479B
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Abstract
The invention discloses a sunshine conveyer and LED (light-emitting diode) complementary lighting device. The complementary lighting device is composed of a cradle head, an automatic tracking system, an optical fiber lighting device and an LED light source, wherein the cradle head comprises a cradle head light-gathering panel A as well as a glass convex lens and a solar cell panel which are arranged on the cradle head light-gathering panel A; the automatic tracking system comprises a sunshine sensor and a control motor; the sunshine sensor is connected with a control circuit module, a liquid crystal display module and a key-press module through data lines; the optical fiber lighting device consists of a plastic optical fiber and an optical fiber terminal divergent device; the LED light source comprises a storage battery; and the storage battery is connected with an energy-saving LED lamp through an LED lighting automatic controller. The complementary lighting device has the advantages that: the sunshine sensor is used for sensing the irradiation condition of sunlight; and the sunshine sensor and the automatic tracking system are used for driving the control motor to work; and the complementary lighting device disclosed by the invention has the characteristics of simple structure, low manufacture and operating cost, and high performance-cost ratio and wide application prospects.
Description
Technical field
The present invention relates to technical field of solar, particularly a kind of sunlight conveyor and LED complementary illuminating apparatus.
Background technology
Along with the development of society, energy problem has more and more received people's concern, and the energy is the basis that the mankind depend on for existence, also is the material guarantee of economy and social development.In recent years since, along with disposable fossil energy---coal, oil, natural gas extraction totally, the development and use new forms of energy become the effective way that solves energy crisis.The advantages such as solar energy is huge with reserves, lasting for a long time, low-carbon environment-friendly have won extensive concern, present utilization to solar energy, after normally adopting solar energy power generating, again electricity is converted to optical illumination (light-electrical-optical), its efficient only is 5%, and poor efficiency becomes one of major obstacle of solar energy utilization and extention.If sunshine directly is transported to by optical fiber also needs the place of throwing light on daytime, such as occasions such as underground parking, museum, megastore, gymnasium, hotels, the utilization rate of solar energy will obviously improve, even can reach more than 55%.At present, external secret of sunshine transmitter involves great expense, and does not possess promotional value; Domestic fiber illumination device cost performance is not high, and usability is not strong, more also rests on theoretical research stage.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of sunlight conveyor and LED complementary illuminating apparatus, utilize sunshine optical fiber introduce to need the place of illumination at fine day, and overcast and rainy and utilize energy-saving LED illumination evening, this installs not only, and cost performance is high, stable, the natural daylight of healthy environmental protection is provided, and has significantly improved the utilization ratio of solar energy, effectively saved the energy, have simple in structurely, make and the low characteristics of operating cost
In order to achieve the above object, technical scheme of the present invention is:
A kind of sunlight conveyor and LED complementary illuminating apparatus are made of The Cloud Terrace, automatic tracking system, fiber illumination device and led light source four parts;
Described The Cloud Terrace comprises The Cloud Terrace plane skylight A and mounted thereto 's glass convex lens 104 and solar panel 103, The Cloud Terrace plane skylight A is provided with The Cloud Terrace base plate B by both-end adjustable lever 107, described The Cloud Terrace plane skylight A is fixed on the U-shaped pipe support D, and U-shaped pipe support D is arranged on control cabinet and the base C;
Described automatic tracking system comprises sunlight sensor 102, east-west direction control motor 101 and the North and South direction control motor 105 that is installed in The Cloud Terrace plane skylight A, described sunlight sensor 102 is connected with control circuit module liquid crystal display device module and key-press module by data wire, described control circuit module comprises single-chip microcomputer, the output of single-chip microcomputer connects the input that drives chip, and the delivery outlet that drives chip connects the interface of east-west direction control motor 101 and North and South direction control motor 105; The power end of described driving chip and single-chip microcomputer is connected with the positive pole of solar panel 103; The input of described single-chip microcomputer disposes potentiometer, realizes east-west direction is controlled rotating and the on off control of motor 101 and North and South direction control motor 105 according to the control signal of single-chip microcomputer; Described driving chip is L298N, and single-chip microcomputer is STC12C5A60S2;
Described fiber illumination device is comprised of plastic optical fiber 202 and fibre-optic terminus emanator 201, it is the PMMA plastic optical fiber of 2mm that described plastic optical fiber 202 adopts diameter, and described fine terminal emanator 201 is connected on the The Cloud Terrace base plate B by plastic optical fiber 202;
Described led light source comprises battery 108, the positive pole of battery 108 is connected with energy-saving LED lamp 204 by LED illumination automatic controller 203, the other end of energy-saving LED lamp 204 is connected with the negative pole of battery 108, described lighting controller 203 is a trigger switch, single-chip microcomputer is accepted the low pulse signal automatic disconnection to just auto-closing of an one high pulse signal;
Described solar panel 103 is used for whole system consumption with an electric energy part that sends, and remainder is stored in the battery 108;
The control method of a kind of sunlight conveyor and LED complementary illuminating apparatus, after at first sun light intensity being transformed into the signal of telecommunication by photoelectric sensor, 256 ranks that are divided into 0-255, wherein 0 with 255 corresponding unglazed and the strongest Intensity of the sunlights respectively, then the light conditions of the The Cloud Terrace plane skylight A during the initial start system is presented on the liquid crystal display in digital form by liquid crystal display, when illumination intensity value sum shown on the liquid crystal display during greater than setting threshold, system assert that present case is daytime, drive first North and South direction control motor 105 and rotate definite sun in the position of North and South direction, then drive again east-west direction control motor 101 and rotate further definite sun in the position of east-west direction, thereby make the intensity of illumination of sunshine arrival The Cloud Terrace plane skylight A maximum, i.e. sunshine vertical irradiation glass planoconvex spotlight 104 and solar panel 103.
Again by utilizing glass convex lens 104 that sunshine is converged to the central hole that optical fiber is subjected to mouthpart 106, plastic optical fiber 202 initial end are inserted the centre bore that optical fiber is subjected to mouthpart 106, utilize the total reflection principle of optical fiber to import indoor the illumination, because solar panel 103 is subject to the sunlight vertical irradiation always, efficient improves more than 80%: solar panel provides the power supply about 12v directly to control motor 101 for east-west direction and North and South direction control motor 105 provides power; Solar panel 103 is connected with the power circuit of singlechip control panel, provide power supply for 5v to single-chip microcomputer with voltage transitions by 7805 mu balanced circuits, also link to each other with battery 108 by singlechip control panel simultaneously and to its charging storage power, be used for overcast and rainy and LED illumination at night; When illumination intensity value sum shown on the liquid crystal display during less than setting threshold, think that present case is overcast and rainy or night, automatic tracking system stops to follow the tracks of, LED illumination automatic controller 203 is then connected battery 108 automatically, utilize energy-saving LED 204 that illumination is provided, when intensity of illumination can automatically switch to optical fibre illumination again during greater than setting threshold.
Because the present invention utilizes sunlight sensor 102 to come the radiation situation of perception sunshine, by sunlight sensor 102 and automatic tracking system and then driving North and South direction control motor 105 and 101 work of east-west direction control motor, make the The Cloud Terrace plane skylight A of sunlight conveyor all the time over against sunshine, have simple in structure, make and the low characteristics of operating cost, have very high cost performance and wide application prospect.
Description of drawings
Fig. 1 (a) is the front view of sunlight conveyor of the present invention, and Fig. 1 (b) is the left view of sunlight conveyor of the present invention.
Fig. 2 (a) is the structural representation of optical fibre illumination of the present invention, and Fig. 2 (b) is led light source structural representation of the present invention.
Fig. 3 is the structural representation that optical fiber of the present invention is subjected to mouthpart.
Fig. 4 is that solar panel of the present invention is control panel power supply and charge in batteries schematic diagram.
Fig. 5 is driving chip controls Principle of Electric Engine figure of the present invention.
Fig. 6 is that single-chip microcomputer of the present invention is processed sunlight sensor collection signal schematic diagram.
Fig. 7 (a) is display module schematic diagram of the present invention, and Fig. 7 (b) is the circuit theory diagrams of display module of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are described in further detail.
With reference to Fig. 1, a kind of sunlight conveyor and LED complementary illuminating apparatus are made of The Cloud Terrace, automatic tracking system, fiber illumination device and led light source four parts;
Described The Cloud Terrace comprises The Cloud Terrace plane skylight A and mounted thereto 's glass convex lens 104 and solar panel 103, The Cloud Terrace plane skylight A is provided with The Cloud Terrace base plate B by both-end adjustable lever 107, described The Cloud Terrace plane skylight A is fixed on the U-shaped pipe support D, and U-shaped pipe support D is arranged on control cabinet and the base C;
Described automatic tracking system comprises sunlight sensor 102, east-west direction control motor 101 and the North and South direction control motor 105 that is installed in The Cloud Terrace plane skylight A, described sunlight sensor 102 is connected with the control circuit module by data wire, liquid crystal display device module and key-press module, described control circuit module comprises single-chip microcomputer, the output of single-chip microcomputer connects the input that drives chip, and the delivery outlet that drives chip connects the interface of east-west direction control motor 101 and North and South direction control motor 105; The power end of described driving chip and single-chip microcomputer is connected with the positive pole of solar panel 103; The input of described single-chip microcomputer disposes potentiometer, realizes east-west direction is controlled rotating and the on off control of motor 101 and North and South direction control motor 105 according to the control signal of single-chip microcomputer; Described driving chip is L298N, and single-chip microcomputer is STC12C5A60S2;
Shown in Fig. 2 (a), described fiber illumination device is comprised of plastic optical fiber 202 and fibre-optic terminus emanator 201, it is the PMMA plastic optical fiber of 2mm that described plastic optical fiber 202 adopts diameter, and described fine terminal emanator 201 is connected on the The Cloud Terrace base plate B by plastic optical fiber 202; Described glass convex lens 104 receive sunshine, change the spot size that distance between The Cloud Terrace plane skylight A and the base plate B is regulated glass convex lens 104 by both-end adjustable lever 107, again by about, move left and right optical fiber is subjected to the position in the circular hole of mouthpart 106 on The Cloud Terrace base plate B, can make hot spot just in time fall optical fiber and be subjected to mouthpart 106 centers, sunlight behind the optically focused is imported plastic optical fiber 202, direct light into indoor direct illumination by optical fiber in the mode of total reflection at last.
Shown in Fig. 2 (b), described led light source comprises battery 108, the positive pole of battery 108 is connected with energy-saving LED lamp 204 by LED illumination automatic controller 203, the other end of energy-saving LED lamp 204 is connected with the negative pole of battery 108, described lighting controller 203 is a trigger switch, single-chip microcomputer is accepted the low pulse signal automatic disconnection to just auto-closing of an one high pulse signal;
Described battery 108 also is connected with solar panel 103;
Directly introduce illumination with outdoor sunlight daytime of the present invention, is particularly suitable for the occasions such as underground parking, museum, megastore, gymnasium, hotel, can save a large amount of power supplys; Lighting controller 203 is a trigger switch, and single-chip microcomputer is accepted the low pulse signal automatic disconnection to just auto-closing of an one high pulse signal.When intensity of illumination less than setting value during threshold value, the automatic tracking system of sunlight conveyor stops to follow the tracks of, single-chip microcomputer sends control signal makes LED lighting controller 203 that energy-saving LED lamp 204 and battery 108 are connected, and utilizes energy-saving LED lamp 204 to provide and reaches 12 hours lasting illumination; When intensity of illumination greater than setting value during threshold value, single-chip microcomputer sends control signal makes LED lighting controller 203 cut off being connected of energy-saving LED lamps 204 and battery 108, the automatic tracking system of sunlight conveyor is restarted to follow the tracks of and is converted to optical fibre illumination, if need bright especially lighting environment, can be by closing the switch of LED illumination automatic controller 203, battery 108 and fiber illumination device are worked jointly, add strong illumination thereby indoor providing is provided simultaneously for optical fibre illumination and LED illumination.
As shown in Figure 3, optical fiber is subjected to mouthpart 106 to be funnel-form, and optical fiber is subjected to an end of mouthpart 106 to be provided with convergent hole 301 and top cover 302, disposes optical fiber entrance 304 and optical fiber circular casing 303 with convergent hole 301 relative positions, the overall diameter of described optical fiber circular casing 303 is 2.5mm, and internal diameter is 2.1mm.
As shown in Figure 4, solar panel 103 provides the power supply about 12v directly to control motor 101 for east-west direction and North and South direction control motor 105 provides power, the positive pole of unilateal conduction diode D1 connects 4 pin of four-hole binding post JP3, the negative pole of unilateal conduction diode D1 connects battery 108 positive poles, diode D2 connects the input of 7805 voltage-stabilized power supply chips, for system provides power supply about 5V.In the time of by day, solar panel 103 is used for whole system consumption with an electric energy part that sends, and remainder is stored in the battery 108;
When intensity of illumination is very weak, because the one-way conduction effect of unilateal conduction diode D1, battery 108 can not be given capacitor C 6, C7, C8, C9, C10 power supply, two control motors are not owing to there is electric power not turn round yet, and can continue as the single-chip microcomputer power supply by voltage-stabilized power supply chip 7805, guarantee the normal operation of SCM program.
In the good situation of illumination, solar panel 103 output voltages are higher than the charging voltage of battery 108, so solar panel 103, unilateal conduction diode D1, battery 108 and control circuit module composition loop, realized the charging of battery 108 and the power supply of control circuit module have been realized the tracking to sunlight; In the relatively poor situation of illumination; battery 108 voltages are higher than solar panel 103 voltages; because unilateal conduction diode D1 has unilateral conduction; therefore ended the electric current of battery 108 to solar panel 103 directions, reduced the loss of battery 108 and solar panel 103 is played a protective role.
Show such as Fig. 5, the STC12C5A60S2 single-chip microcomputer drives chip drives control Principle of Electric Engine with L298N: the P3.4 of single-chip microcomputer, P3.5, P3.6, P3.7 pin are connected respectively 5 (IN1), 7 (IN2), 10 (IN3), 12 (IN4) pin that L298N drives chip, for it transmits control signal, the work of control east-west direction motor 101 and North and South direction motor 105 and stopping.
4 pin Vss of L298N driving chip directly connect the positive pole of solar panel 103, utilize solar panel 103 to provide power for two control motors, 2 (OUT1), 3 (OUT2), 13 (OUT3), 14 (OUT4) pin are output, connect respectively the both positive and negative polarity of east-west direction control motor 101 and North and South direction control motor 103, the instruction control motor positive and inverse that provides according to single-chip microcomputer or stop.Diode D
5, D
6, D
7, D
8And D
12, D
13, D
14, D
15Be fly-wheel diode, light emitting diode D
9, D
10, D
11And D
16Be used for showing respectively the rotating situation of two motors, J6 (being CON4) is 4 mouthfuls of binding posts, from top to bottom the both positive and negative polarity of the respectively external east-west direction control motor 101 of 1-4 and North and South direction control motor 103.
As shown in Figure 6, the present invention judges the radiation situation of sunshine by sunlight sensor 102, the photoresistance cell of installing on the sunlight sensor 102 becomes approximately linear to change for its resistance of different intensities of illumination in certain limit, the analog quantity that sunlight sensor 102 produces light-sensitive element is transferred to the P1 mouth (P1.0～P1.7) of STC12C5A60S2 single-chip microcomputer by data wire, the STC12C5A60S2 single-chip microcomputer carries 8 tunnel 10 high-speed a/d converters, their A/D conversion mouth is all at P1 mouth (P1.0～P1.7), conversion speed can reach 100KHz, because 8 road A/D converters of this single-chip microcomputer are that voltage is imported, the analog quantity that light-sensitive element provides is current signal, at external 8 potentiometers of P1.0～P1.7 mouth (being variable resistance), the current signal that sunlight sensor 102 is provided is converted to voltage signal and passes through signal amplification circuit again, filter circuit, the processing of comparison circuit offers single-chip microcomputer.
Adopt potentiometer and without resistance, because varying environment different geographical ambient light is very large according to strength difference, just can regulate sunlight sensor 102 to the size of the input quantity of single-chip microcomputer by 8 potentiometers of simple adjustment, thereby can carry out certain calibration to control system.The STC12C5A60S2 single-chip microcomputer is processed the data signal that sunlight sensor 102 and interlock circuit provide by internal processes, utilizes integrated chip L298N to drive the control motor, makes the tabula rasa A of The Cloud Terrace of sunlight conveyor all the time over against sunshine.，
Recycling glass convex lens 104 carry out optically focused with sunshine, the necessary parallel placement in the plane of the plane of The Cloud Terrace plane skylight A and The Cloud Terrace base plate B, and open circular port about 6mm so that The Cloud Terrace base plate B is upper as the center of circle over against the focus of glass convex lens 104, be installed on the circular port of The Cloud Terrace base plate B by mouthpart 106 optical fiber, by regulating both-end adjustable lever 107, distance between change The Cloud Terrace plane skylight A and the base plate B is regulated the spot size of glass convex lens 104, regulates the spot diameter size and is about 2mm.
By about, move left and right optical fiber is subjected to the position in the circular hole of mouthpart 106 on The Cloud Terrace base plate B, can make hot spot just in time fall optical fiber and be subjected to mouthpart 106 centers, because optical fiber top is installed on the center that optical fiber is subjected to mouthpart 106, so just being equivalent to hot spot has got on the sensitive surface of optical fiber, thereby the sunlight behind the optically focused is imported plastic optical fiber 202, direct light into indoor direct illumination by optical fiber in the mode of total reflection again.Because sunshine converges to the optically focused interface area that diameter is 2mm through glass convex lens 104, its collection area ratio reaches (π * 50
2)/(π * 1
2)=2500 (doubly), cause the temperature of optically focused interface area significantly to rise, can reach about 120 ℃ the fusing point near plastic optical fiber, so it is unavoidable that plastic optical fiber is in melt and dissolved state, in order effectively to improve radiating effect, adopt the optical fiber of metal material to be subjected to mouthpart 106, and its metal material upper surface closely is connected with The Cloud Terrace aluminum base B, thereby form a huge radiator, so that the optically focused regional temperature significantly is reduced to about 70 ℃, reached the temperature range of plastic optical fiber normal operation.
Terminal optical fiber through this sunlight conveyor of test remains highlighted state, and 16 optical fiber can provide the luminous flux of the fluorescent lamp that is equivalent to two 60W; Simultaneously, because sunshine is direct projection solar panel 103 all the time also, significantly improved solar energy generating efficiency, for solar panel 103, solar energy generating efficiency can be brought up to more than 22%, the energy part that solar panel 103 produces provides power for control system and motor, and major part is stored in and is used for LED illumination at night in the lead-acid accumulator.
Shown in the structural representation of Fig. 7, manual control panel is comprised of liquid crystal display LCD12864,9 needle serial port plug UART, 6 button S1～S6.Can observe at any time sunlight conveyor and the current ruuning situation of LED complementary illuminating apparatus by 12864 liquid crystal displays, can be set-up of control system manual and automatically control two kinds of patterns by operation push-button S1, the orientation that this device can the Automatic-searching sun under automatic control mode finally makes the plane skylight of direct sunlight The Cloud Terrace A; Under manual mode, stop from motion tracking, can The Cloud Terrace be moved northwards by pressing S2, pressing S5 moves The Cloud Terrace southwards, pressing under the S4 moves The Cloud Terrace westwards, pressing under the S6 moves The Cloud Terrace eastwards, manual adjustments makes The Cloud Terrace plane skylight A over against solar radiation, is used for to proofreading and correct from the motion tracking situation.By long press S6 and surpass 30 seconds after, can enter intensity of illumination threshold value interface is set, pressing S2 increases setting to original threshold value, presses S5 original threshold value is reduced setting, thereby according to the actual illumination needs suitable intensity of illumination threshold value is set.
The control method of a kind of sunlight conveyor and LED complementary illuminating apparatus, after at first sun light intensity being transformed into the signal of telecommunication by photoelectric sensor, 256 ranks that are divided into 0-255, wherein 0 with 255 corresponding unglazed and the strongest Intensity of the sunlights respectively, then the light conditions of the The Cloud Terrace plane skylight A during the initial start system is presented on the liquid crystal in digital form by liquid crystal display, when the shown illumination intensity value sum on the liquid crystal display during greater than setting threshold, system assert that present case is daytime, drive first North and South direction control motor 105 and rotate definite sun in the position of North and South direction, then drive again east-west direction control motor 101 and rotate further definite sun in the position of east-west direction, thereby make the intensity of illumination of sunshine arrival The Cloud Terrace plane skylight A maximum, i.e. sunshine vertical irradiation glass convex lens 104 and solar panel 103.
Again by utilizing convex lens 104 that sunshine is converged to the central hole that optical fiber is subjected to mouthpart 106, plastic optical fiber 202 initial end are inserted the centre bore that optical fiber is subjected to mouthpart 106, utilize the total reflection principle of optical fiber to import indoor the illumination, because solar panel 103 is subject to the sunlight vertical irradiation always, efficient improves more than 80%: solar panel provides the power supply about 12v directly to control motor 101 for east-west direction and North and South direction control motor 105 provides power; Solar panel 103 is connected with the power circuit of singlechip control panel, provide power supply for 5v to single-chip microcomputer with voltage transitions by 7805 mu balanced circuits, also link to each other with lead-acid accumulator 108 by singlechip control panel simultaneously and to its charging storage power, be used for overcast and rainy and LED illumination at night.When illumination intensity value sum shown on the liquid crystal display during less than setting threshold, think that present case is overcast and rainy or night, automatic control system stops to follow the tracks of, LED illumination automatic controller 203 is then connected battery 108 automatically, utilize energy-saving LED that illumination is provided, when intensity of illumination can automatically switch to optical fibre illumination again during greater than setting threshold.
Claims (2)
1. a sunlight conveyor and LED complementary illuminating apparatus are made of The Cloud Terrace, automatic tracking system, fiber illumination device and led light source four parts, it is characterized in that,
Described The Cloud Terrace comprises The Cloud Terrace plane skylight (A) and mounted thereto 's glass convex lens (104) and solar panel (103), The Cloud Terrace plane skylight (A) is provided with The Cloud Terrace base plate (B) by both-end adjustable lever (107), described The Cloud Terrace plane skylight (A) is fixed on the U-shaped pipe support (D), and U-shaped pipe support (D) is arranged on control cabinet and the base (C);
Described automatic tracking system comprises sunlight sensor (102), east-west direction control motor (101) and the North and South direction control motor (105) that is installed on the The Cloud Terrace plane skylight (A), described sunlight sensor (102) is connected with the control circuit module by data wire, liquid crystal display device module and key-press module, described control circuit module comprises single-chip microcomputer, the output of single-chip microcomputer connects the input that drives chip, and the delivery outlet that drives chip connects the interface of east-west direction control motor (101) and North and South direction control motor (105); The power end of described driving chip and single-chip microcomputer is connected with the positive pole of solar panel (103); The input of described single-chip microcomputer disposes potentiometer, realizes east-west direction is controlled rotating and the on off control of motor (101) and North and South direction control motor (105) according to the control signal of single-chip microcomputer; Described driving chip is L298N, and single-chip microcomputer is STC12C5A60S2;
Described fiber illumination device is comprised of plastic optical fiber (202) and fibre-optic terminus emanator (201), it is the PMMA plastic optical fiber of 2mm that described plastic optical fiber (202) adopts diameter, and described fibre-optic terminus emanator (201) is connected on the The Cloud Terrace base plate (B) by plastic optical fiber (202);
Described led light source comprises battery (108), the positive pole of battery (108) is connected with energy-saving LED lamp (204) by the LED automatic controller (203) that throws light on, the other end of energy-saving LED lamp (204) is connected with the negative pole of battery (108), described LED illumination automatic controller (203) is a trigger switch, single-chip microcomputer is accepted the low pulse signal automatic disconnection to just auto-closing of an one high pulse signal; Described battery (108) also is connected with solar panel (103).
2. the control method of a kind of sunlight conveyor according to claim 1 and LED complementary illuminating apparatus, it is characterized in that, after at first sun light intensity being transformed into the signal of telecommunication by sunlight sensor (102), 256 ranks that are divided into 0-255, wherein 0 with 255 corresponding unglazed and the strongest Intensity of the sunlights respectively, then the light conditions of the The Cloud Terrace plane skylight (A) during the initial start system is presented on the liquid crystal display in digital form by liquid crystal display, when illumination intensity value sum shown on the liquid crystal display during greater than setting threshold, system assert that present case is daytime, drive first North and South direction control motor (105) and rotate definite sun in the position of North and South direction, then drive again east-west direction control motor (101) and rotate further definite sun in the position of east-west direction, thereby make the intensity of illumination of sunshine arrival The Cloud Terrace plane skylight (A) maximum, i.e. sunshine vertical irradiation glass convex lens (104) and solar panel (103);
By glass convex lens (104) sunshine is converged to the central hole that optical fiber is subjected to mouthpart (106) again, plastic optical fiber (202) initial end is inserted optical fiber be subjected to the centre bore of mouthpart (106), utilize the total reflection principle of optical fiber to import indoor the illumination, because solar panel (103) is subject to the sunlight vertical irradiation always, efficient improves more than 80%: solar panel (103) provides the power supply about 12v directly to control motor (101) for east-west direction and North and South direction control motor (105) provides power; Solar panel (103) is connected with the power circuit of singlechip control panel, provide power supply for 5v to single-chip microcomputer with voltage transitions by 7805 mu balanced circuits, also link to each other with battery (108) by singlechip control panel simultaneously and to its charging storage power, be used for overcast and rainy and LED illumination at night; When illumination intensity value sum shown on the liquid crystal display during less than setting threshold, think that present case is overcast and rainy or night, automatic tracking system stops to follow the tracks of, LED illumination automatic controller (203) is then connected battery (108) automatically, utilize energy-saving LED lamp (204) that illumination is provided, when intensity of illumination can automatically switch to optical fibre illumination again during greater than setting threshold.
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