CN203084563U - Optical fiber lighting system and optical fiber lighting automatic tracking device - Google Patents
Optical fiber lighting system and optical fiber lighting automatic tracking device Download PDFInfo
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- CN203084563U CN203084563U CN 201320093654 CN201320093654U CN203084563U CN 203084563 U CN203084563 U CN 203084563U CN 201320093654 CN201320093654 CN 201320093654 CN 201320093654 U CN201320093654 U CN 201320093654U CN 203084563 U CN203084563 U CN 203084563U
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Abstract
The utility model relates to an optical fiber lighting system and an optical fiber lighting automatic tracking device. The automatic tracking device comprises four analog signal voltage acquisition and amplification circuits, an analog-digital conversion module, a single-chip microcomputer, a stepping motor driving module and a stepping motor module; the first analog signal voltage acquisition and amplification circuit is arranged in an empty position without blocking and outputs two lines of analog voltage signals; the second, third and fourth analog signal voltage acquisition and amplification circuits are arranged at the upper part, the middle part and the lower part of a lighting surface of a condensation device and output three lines of analog voltage signals; the analog-digital conversion module is connected with the four analog signal voltage acquisition and amplification circuits and outputs digital signals corresponding to all the received analog voltage signals; the single-chip microcomputer is connected with the analog-digital conversion module and outputs stepping motor control signals; the stepping motor driving module is connected with the single-chip microcomputer; and the stepping motor module is connected with the stepping motor driving module. The automatic tracking device can accurately track the sun direction, and has the advantages of high anti-interference performance, high digital control accuracy, low cost and the like.
Description
Technical field
The utility model relates to the optical fibre illumination technology, particularly relates to the autotracker of a kind of optical fiber illuminating system and optical fibre illumination.
Background technology
Optical fibre illumination is meant and utilizes the low optical fiber of loss that sunshine is not carried out any type of conversion and directly be transferred to the place that also needs daytime to throw light on throw light on (as down-hole, underground parking garage, museum etc.).Optical fibre illumination is a new technology that makes full use of sun power, also is a kind of new mode of human illumination.Because optical fibre illumination has environmental protection, and can effectively save non-renewable fossil energy, therefore, optical fibre illumination has good application prospects.
Optical fiber illuminating system mainly comprises: autotracker and beam condensing unit.Autotracker is mainly used in the orientation of sun-tracing, makes the orientation of beam condensing unit towards the sun, thus sunshine can vertical irradiation to the daylighting face of beam condensing unit; Beam condensing unit is mainly used in the sunshine that converges certain area and with in the sunshine coupled into optical fibres that converges, to strengthen the light intensity of illumination.
Owing to the orientation of the sun and the incident angle of sunshine are all to change over time, add dark clouds weather complicated and changeable etc., therefore, how to make the autotracker opposing disturb and drive the orientation of the accurate sun-tracing of beam condensing unit, make sunshine can vertical irradiation to the daylighting face of beam condensing unit, be an important topic in the present optical fibre illumination technology.
Because existing this technical task of orientation that how to make autotracker track the sun accurately, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of the optical fiber illuminating system of founding a kind of new structure and the autotracker of optical fibre illumination, can make autotracker track the orientation of the sun accurately, make it have more practicality.Through continuous research and design, and, create the utility model that has practical value finally through studying sample and improvement repeatedly.
The utility model content
Fundamental purpose of the present utility model is, the autotracker of a kind of optical fiber illuminating system and optical fibre illumination is provided, technical matters to be solved comprises, make autotracker can track the orientation of the sun accurately, and have strong interference immunity, Digital Control precision height and low cost and other advantages.
The purpose of this utility model and solve its technical matters and can adopt following technical scheme to realize.
Autotracker according to a kind of optical fibre illumination that the utility model proposes is connected with beam condensing unit, and described autotracker comprises:
Four analog signal voltages are gathered amplifying circuit, each analog signal voltage is gathered amplifying circuit and is included light sensor and analog signal voltage amplifying circuit, and first analog signal voltage is gathered amplifying circuit and is arranged at unscreened spacious place, second analog signal voltage is gathered the top that amplifying circuit is arranged at the daylighting face of beam condensing unit, the 3rd analog signal voltage is gathered the middle part that amplifying circuit is arranged at the daylighting face of beam condensing unit, and the 4th analog signal voltage is gathered the bottom that amplifying circuit is arranged at the daylighting face of beam condensing unit; Wherein, first analog signal voltage is gathered amplifying circuit output two-way analog electrical signal, and second, third and the 4th analog signal voltage are gathered amplifying circuit and respectively exported one road analog voltage signal;
Analog-to-digital conversion module is gathered amplifying circuit with described four analog signal voltages and all is connected, and receives the analog voltage signal that four analog signal voltages are gathered amplifying circuit output, and exports the digital signal of each analog voltage signal correspondence;
Single-chip microcomputer is connected with described analog-to-digital conversion module, receives described digital signal, and the step motor control signal of output tracking pattern/original place standby mode/reset mode;
The step motor drive module is connected with described single-chip microcomputer, receives described step motor control signal, and the pulsed excitation signal of output step motor control signal correspondence;
The stepper motor module is connected with described step motor drive module, receives described pulsed excitation signal, and forward rotation or backward rotation or stop operating.。
Preferable, the autotracker of aforesaid optical fibre illumination, the light sensor in wherein said the 3rd analog signal voltage collection amplifying circuit is arranged at the upper end to be had in opening and the lighttight tube of sidewall.
Preferable, the autotracker of aforesaid optical fibre illumination, wherein said tube is a cylinder.
Preferable, the autotracker of aforesaid optical fibre illumination, wherein said light sensor are phototriode, and described analog signal voltage amplifying circuit is a transistor amplifier.
Preferable, the autotracker of aforesaid optical fibre illumination, wherein said analog-to-digital conversion module is: model is the chip of ADC0809.
Preferable, the autotracker of aforesaid optical fibre illumination, the model of wherein said single-chip microcomputer is 89C51.
Preferable, the autotracker of aforesaid optical fibre illumination, wherein said autotracker also comprises: frequency dividing circuit is connected respectively with the ALE pin of described single-chip microcomputer and the CLK pin of step motor drive module.
Preferable, the autotracker of aforesaid optical fibre illumination, wherein said step motor drive module is: Darlington driver ULN2803.
Preferable, the autotracker of aforesaid optical fibre illumination, wherein said stepper motor module comprises: stepper motor that in the vertical direction rotates and the stepper motor that rotates in the horizontal direction.
The present invention also provides a kind of optical fiber illuminating system, and described system comprises: beam condensing unit, pass the autotracker of light fibre bundle, luminous conductor and above-mentioned optical fibre illumination.
By technique scheme, the autotracker of optical fiber illuminating system of the present utility model and optical fibre illumination has following advantage and beneficial effect at least: autotracker of the present utility model passes through the top at the daylighting face of beam condensing unit, middle part and bottom respectively are provided with an analog signal voltage and gather amplifying circuit, and at the unscreened spacious analog signal voltage collection amplifying circuit of locating to be provided with in addition, like this, single-chip microcomputer can carry out corresponding s operation control operation based on five road analog electrical signals of these four circuit outputs, makes autotracker enter tracing mode/original place standby mode/reset mode; Thereby autotracker of the present utility model can be selected best mode of operation intelligently and resists various interference in the face of different situation the time, and adaptability is strong and working stability is reliable; And then autotracker of the present utility model can be resisted interference such as dark clouds weather well and realizes accurately the fast two-dimensional of solar azimuth is followed the trail of; In addition, autotracker of the present utility model also has simple in structure and the components and parts lower-price characteristic, has reduced overall system cost cost; Hence one can see that, and autotracker of the present utility model helps applying of optical fiber illuminating system, helps the human illumination epoch of opening a brand-new green, environmental protection.
In sum, the utility model has obvious improvement technically, and has significantly positive technique effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and the cooperation Figure of description, be described in detail as follows.
Description of drawings
Fig. 1 gathers an embodiment synoptic diagram of amplifying circuit for the analog signal voltage that is arranged at explicit spacious place of the present utility model;
Fig. 2 is an embodiment synoptic diagram of the connection between analog-to-digital conversion module of the present utility model, single-chip microcomputer and the frequency dividing circuit;
Fig. 3 is an embodiment synoptic diagram of the connection between single-chip microcomputer of the present utility model, step motor drive module and the stepper motor;
Fig. 4 is the process flow diagram of the performed operation of autotracker of the present utility model.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and technology effect according to the autotracker of the optical fiber illuminating system that the utility model proposes and optical fibre illumination, describe in detail as after.
The autotracker of embodiment one, optical fibre illumination.
Autotracker of the present utility model mainly comprises: four analog signal voltages are gathered amplifying circuit, analog-to-digital conversion module (being A/D converter), single-chip microcomputer, step motor drive module and stepper motor module; Wherein, analog-to-digital conversion module gathers amplifying circuit with four analog signal voltages and single-chip microcomputer is connected respectively, and the step motor drive module is connected respectively with single-chip microcomputer and stepper motor module.In addition, this autotracker can also comprise: elements such as frequency dividing circuit and crystal oscillator.This frequency dividing circuit is connected respectively with analog-to-digital conversion module with single-chip microcomputer, and crystal oscillator is connected with single-chip microcomputer.
Below each included parts of autotracker are described one by one.
(1), analog signal voltage is gathered amplifying circuit.
Analog signal voltage collection amplifying circuit is mainly used in its light signal that receives is converted to analog electrical signal (perhaps being called analog voltage signal), and the analog electrical signal after analog-to-digital conversion module is exported its conversion.Be that each analog signal voltage collection amplifying circuit is all exported the analog voltage signal that it collects to analog-to-digital conversion module.
Analog signal voltage is gathered amplifying circuit and is mainly comprised: light sensor and analog signal voltage amplifying circuit.Light sensor is mainly used in its light signal that receives is converted to analog electrical signal, and the analog electrical signal that the analog signal voltage amplifying circuit is mainly used in light sensor output carries out processing and amplifying, and the analog electrical signal after the output amplification.Above-mentioned light sensor can be phototriode, and above-mentioned analog signal voltage amplifying circuit is transistor amplifier accordingly.
Open and two terminals of emitter and collector are applied under the state of voltage phototriode in base stage, when light is incident in base stage surperficial, are subjected to promptly having photocurrent to flow through between the base stage of reversed bias voltage and the collector.The common light reflex sensitivity of phototriode.In the morning, at dusk and under the situation of dark clouds weather, light is darker, photocurrent can be very faint, analog electrical signal is also just very faint, transistor amplifier can strengthen the analog electrical signal that analog-to-digital conversion module receives by analog electrical signal is amplified.
One (promptly first analog signal voltage is gathered amplifying circuit) that four analog signal voltages of the present utility model are gathered in the amplifying circuit is arranged on the spaciousness place of not blocking, thereby this analog signal voltage collection amplifying circuit can be sunlighted at any time; Remaining three analog signal voltages are gathered the upper, middle and lower that amplifying circuit (promptly second analog signal voltage is gathered amplifying circuit, the 3rd analog signal voltage gathers amplifying circuit and the 4th analog signal voltage is gathered amplifying circuit) then is separately positioned on the daylighting face of beam condensing unit.
Gather amplifying circuit for first analog signal voltage, its collection and output two-way analog electrical signal, this two-way analog electrical signal is transformed to two ways of digital signals, and is admitted to single-chip microcomputer through the conversion process of analog-to-digital conversion module.The main effect of this two ways of digital signals is, single-chip microcomputer determines that based on this two ways of digital signals autotracker is to carry out tracing mode, still carries out reset mode, also or carry out the original place standby mode.
First analog signal voltage gather amplifying circuit a circuit structure object lesson as shown in Figure 1, U0 among Fig. 1 and U1 are the two-way analog electrical signal that first analog signal voltage is gathered amplifying circuit output.
Gather amplifying circuit and the 4th analog signal voltage is gathered amplifying circuit for second analog signal voltage of the upper and lower of the daylighting face that is positioned at beam condensing unit, each analog signal voltage is gathered amplifying circuit and is all gathered and export one road analog electrical signal (being U2 and U3), this road analog electrical signal is through the conversion of analog-to-digital conversion module, be transformed to a way word signal, and be admitted to single-chip microcomputer.The main effect of this two ways of digital signals is, carry out at autotracker under the situation of tracing mode, single-chip microcomputer is determined the rotation (as forward rotation or backward rotation) of stepper motor module in the vertical direction based on this two ways of digital signals, and the daylighting face in the vertical direction that makes beam condensing unit is over against the sun.
The analog electrical signal that second analog signal voltage collection amplifying circuit and the 4th analog signal voltage collection amplifying circuit are gathered separately can only be carried out under the situation of tracing mode at autotracker, is carried out analog to digital conversion and is admitted to single-chip microcomputer by analog-to-digital conversion module.Single-chip microcomputer determines that based on this two ways of digital signals a concrete example of the rotation of stepper motor module in the vertical direction is, single-chip microcomputer obtains the difference of this two ways of digital signals, if this difference is less than a setting value, then the stepper motor on the Single-chip Controlling vertical direction does not rotate, on the contrary, if this difference is not less than this setting value, the stepper motor forward or reverse on the Single-chip Controlling vertical direction then, up to this difference less than this setting value, thereby the daylighting face in the vertical direction that can realize beam condensing unit is over against the sun.
The 3rd analog signal voltage for the middle part of the daylighting face that is positioned at beam condensing unit is gathered amplifying circuit, this analog signal voltage collection amplifying circuit is placed on a upper end to be had in opening and the lighttight tube of barrel (as cylinder or cylindroid etc.), therefore, when the daylighting face of sunshine vertical irradiation beam condensing unit, this analog signal voltage is gathered amplifying circuit could produce the high level analogue electric signal, otherwise this analog signal voltage is gathered amplifying circuit and is produced the low level analog electrical signal.This analog signal voltage is gathered the amplifying circuit collection and is exported one road analog electrical signal (being U4), and this road analog electrical signal is transformed to a way word signal, and is admitted to single-chip microcomputer through the conversion of analog-to-digital conversion module.The main effect of this way word signal is, carry out at autotracker under the situation of tracing mode, single-chip microcomputer is determined the rotation (as forward rotation or backward rotation) in the horizontal direction of stepper motor module based on this way word signal, and the daylighting face that makes beam condensing unit is in the horizontal direction over against the sun.
The 3rd analog signal voltage is gathered the analog electrical signal of amplifying circuit collection and can only be carried out under the situation of tracing mode at autotracker, is carried out analog to digital conversion and is admitted to single-chip microcomputer by analog-to-digital conversion module.Single-chip microcomputer determines that based on this way word signal a concrete example of stepper motor module rotation in the horizontal direction is, single-chip microcomputer compares this a way word signal and a setting value, whether and rotate according to the stepper motor on the comparative result controlling level direction, thereby the daylighting face that can realize beam condensing unit is in the horizontal direction over against the sun.
(2), analog-to-digital conversion module.
Analog-to-digital conversion module is mainly used in to be gathered the analog electrical signal that amplifying circuit transmission comes with analog signal voltage and is converted to digital signal, and provides this digital signal to single-chip microcomputer.For analog-to-digital conversion module, the conversion operations of analog-to-digital conversion module is by monolithic processor controlled, and by single-chip microcomputer the digital signal after changing is carried out computing and processing.That is to say that analog-to-digital conversion module carries out analog to digital conversion to certain road analog electrical signal under the control of single-chip microcomputer.
Required clock signal can be provided by single-chip microcomputer during analog-to-digital conversion module work.
Analog-to-digital conversion module of the present utility model can adopt the existing chip that can realize the analog-to-digital multiple model of electric signal, is the chip of ADC0809 as model.The ADC0809 chip is the modulus conversion chip that CMOS monolithic type successive approximation and 8 analog quantitys that have 8 passages arrive digital quantity, can satisfy the analog to digital conversion demand of autotracker of the present utility model fully.
(3), single-chip microcomputer.
Single-chip microcomputer is mainly used in to be controlled analog-to-digital conversion module and step motor drive module, as the Single-chip Controlling analog-to-digital conversion module certain road analog electrical signal is carried out analog to digital conversion, to provide digital signal corresponding to it; For another example, single-chip microcomputer carries out processing such as computing according to the digital signal that receives, with definite automatic tracking module present located pattern, and to step motor drive module output control signal corresponding.The concrete operations that single-chip microcomputer is carried out see also following description to Fig. 4.
Single-chip microcomputer of the present utility model can adopt the single-chip microcomputer of existing multiple model, is single-chip microcomputer of 89C51 etc. as model.
(4), step motor drive module and stepper motor module.
The stepper motor module can specifically comprise: stepper motor that in the vertical direction rotates and the stepper motor that rotates in the horizontal direction.
Stepper motor is a kind of electromagnetic and mechanical device that electric pulse is converted to respective corners displacement or displacement of the lines and has the rapid starting/stopping ability, and when the load of stepper motor is no more than the dynamic torque that it can provide, can come the control step motor just to change, reverse and stop by pulse flashy.
Because stepper motor utilizes the pulse signal electric current to drive, therefore, single-chip microcomputer can be by the moment of the generation of the excitation pulse on the control step motor excitation signal wire, the rotation that comes the control step motor.In addition, because when pulsed excitation signal transmits according to forward, stepper motor is carried out forward rotation, and at pulsed excitation signal during according to reverse transmission, then stepper motor is carried out backward rotation, therefore, single-chip microcomputer can be by the transmission order of control excitation signal line, the just commentaries on classics and the counter-rotating that come the control step motor.
In addition, for stepper motor, pulsed excitation signal of every appearance, stepper motor only changes and moves a step, therefore, as long as the output terminal (as the P1 mouth) of single-chip microcomputer is constantly sent forward, reverse pulsed excitation signal in regular turn, just continuously forward rotation, backward rotation or stop operating of stepper motor then.
The step angle of stepper motor is only relevant with the input pulse frequency of stepper motor with rotating speed, and irrelevant with environment temperature, air pressure and vibration etc., and, be not subjected to the fluctuation of line voltage and the influence of load variations yet, therefore, stepper motor has very high accurate station-keeping ability.
Stepper motor of the present utility model can adopt six line system four phase step motors.
The control signal that the step motor drive module is mainly used in single-chip microcomputer output is converted to the control signal that stepper motor can be discerned, and offers stepper motor.Two stepper motors can be respectively be connected with separately step motor drive module, and in addition, two stepper motors also can be connected with same step motor drive module.
Step motor drive module of the present utility model can adopt the stepper motor driver of existing multiple model, as Darlington driver ULN2803 etc.Darlington driver ULN2803 comprises the eightfold darlington transistor array, when its input voltage is the CMOS value of TTL or 5V, its output can reach 500mA/50V, therefore, Darlington driver ULN2803 not only can drive large current load, and its all devices all have open collector output and the afterflow pincers draws diode, thereby can effectively suppress transition.
(5), frequency dividing circuit and crystal oscillator.
The work clock of single-chip microcomputer can be provided by crystal oscillator.Because the frequency of the work clock of single-chip microcomputer and the work clock of analog-to-digital conversion module may be also inequality, therefore, can utilize frequency dividing circuit to come to provide its required work clock for analog-to-digital conversion module.This frequency dividing circuit can be the 74HC74 chip, and above-mentioned crystal oscillator can be the 12MHz crystal oscillator.
At analog-to-digital conversion module of the present utility model is that ADC0809 chip, single-chip microcomputer are that 89C51 and frequency dividing circuit are under the situation of 74HC74 chip, and the annexation between analog-to-digital conversion module, single-chip microcomputer and the frequency dividing circuit as shown in Figure 2.
Among Fig. 2,5 road analog electrical signals are as the input signal of analog-to-digital conversion module, by 8 road input end of analog signal on the ADC0809 chip (being 5 pin IN0-IN4 among the pin IN0-IN7) input ADC0809 chip.Pin D0-D7 on the ADC0809 chip is output terminal (i.e. 8 way word signal parallel output terminals), and pin D0-D7 is connected with the P0 mouth of 89C51 single-chip microcomputer.Pin EOC on the ADC0809 chip is analog to digital conversion end signal position, is connected with the P3.7 mouth of 89C51 single-chip microcomputer, is used for controlling the analog-to-digital start and stop of ADC0809 chip.ADDA on the ADC0809 chip, ADDB and ADDC are 3 bit address incoming lines, be connected with the P2.2 mouth with P2.0, the P2.1 of 89C51 single-chip microcomputer, be used for controlling a road in gating 8 road input end of analog signal, carry out analog-to-digital conversion process with analog electrical signal to this road input end of analog signal of gating.Pin ALE on the ADC0809 chip is that address latch allows signal bits, and high level is effective, is connected with the P2.3 mouth of 89C51 single-chip microcomputer, is used for latching channel address, and control channel is selected.Pin CLOCK on the ADC0809 chip is a clock pulse input terminal, because the 89C51 single-chip microcomputer uses the 12MHz crystal oscillator, therefore, by the 74HC74 chip pulse signal of the pin ALE of single-chip microcomputer output is carried out two divided-frequency after, be input to ADC0809 pin of chip CLOCK.
At single-chip microcomputer of the present utility model is that 89C51 and step motor drive module are under the situation of ULN2803 chip, and the annexation between single-chip microcomputer, step motor drive module and the stepper motor as shown in Figure 3.
Among Fig. 3, six line interfaces of stepper motor are JP1, and the 3rd of JP1 links together with 4 pins and links to each other with the common port of stepper motor, and excitation signal line A, the B of the corresponding stepper motor of the 1st, 2,5 and 6 pins of JP1 difference,
With
These four drive wires link to each other with the P1.0-P1.3 pin of single-chip microcomputer by behind the ULN2803 chip, and four drive wires of another stepper motor (not shown among Fig. 3) link to each other with the P1.4-P1.7 pin of single-chip microcomputer equally by behind the ULN2803 chip.
The performed operation of autotracker of the present utility model as shown in Figure 4.
In Fig. 4, after the program initialization in the single-chip microcomputer of autotracker, at first single-chip microcomputer calls the analog to digital conversion subroutine, the control analog-to-digital conversion module carries out analog to digital conversion to U0, and afterwards, single-chip microcomputer judges that whether U0 is greater than a setting value, judging under the situation that U0 is not more than a setting value, the Single-chip Controlling autotracker enters reset mode, and turns back to after the schedule time at the interval and to call the analog to digital conversion subroutine, and the control analog-to-digital conversion module carries out analog-to-digital step to U0; Judging under the situation of U0 greater than a setting value, single-chip microcomputer calls the analog to digital conversion subroutine, and the control analog-to-digital conversion module carries out analog to digital conversion to U1; Afterwards, single-chip microcomputer continues whether to judge U1 greater than a setting value, judging under the situation that U1 is not more than a setting value, and the Single-chip Controlling autotracker enters the original place standby mode, and turn back to and call the analog to digital conversion subroutine, the control analog-to-digital conversion module carries out analog-to-digital step to U0; Judging under the situation of U1 greater than a setting value, single-chip microcomputer calls the analog to digital conversion subroutine, and the control analog-to-digital conversion module carries out analog to digital conversion to U2 and U3; Afterwards, single-chip microcomputer judges that whether the difference of U2 and U3 is greater than a setting value, under the situation of the difference of judging U2 and U3 greater than a setting value, single-chip microcomputer just changes by the stepper motor execution of step motor drive module controls in the vertical direction or reverses, and turn back to single-chip microcomputer and call the analog to digital conversion subroutine, the control analog-to-digital conversion module carries out analog-to-digital step to U2 and U3; Be not more than in the difference of judging U2 and U3 under the situation of a setting value, single-chip microcomputer calls the analog to digital conversion subroutine, and the control analog-to-digital conversion module carries out analog to digital conversion to U4; Afterwards, whether single-chip microcomputer judges U4 greater than a setting value, is judging under the situation of U4 greater than a setting value, and the Single-chip Controlling autotracker enters the original place standby mode, and turn back to and call the analog to digital conversion subroutine, the control analog-to-digital conversion module carries out analog-to-digital step to U0; Judging under the situation that U4 is not more than a setting value, single-chip microcomputer is carried out by step motor drive module controls stepper motor in the horizontal direction and is rotated, and turn back to single-chip microcomputer and call the analog to digital conversion subroutine, the control analog-to-digital conversion module carries out analog-to-digital step to U2 and U3.
In above-mentioned flow process, the value size of each setting value can be set according to actual needs, and the value of each setting value can be identical or inequality.
Autotracker of the present utility model is through experiment test, can resist to disturb and normally work; As morning when light intensity reaches setting value and solar light irradiation is arranged, autotracker can correctly be selected tracing mode, drives beam condensing unit and aims at the sun in real time and gather the strongest direct sunlight; Secondly, after the sun set between the lights, autotracker can correctly be selected reset mode, and beam condensing unit is gathered the sunshine place when automatically reseting to The sun came up; In addition, if when meeting the interference of dark clouds weather, autotracker can be correct selection original place standby mode, make beam condensing unit be in the original place, after dark clouds leave, when sunshine occurred once more, autotracker is correct selection tracing mode in time, drove the orientation that beam condensing unit tracks the sun rapidly and accurately once more.
Can adopt gear drive in the autotracker of the present utility model, the pinion wheel that promptly links to each other with stepper motor drives gear wheel and rotates, and not only can guarantee to transmit enough power, and help improving the rotation control accuracy.
Autotracker of the present utility model is when carrying out tracing mode, in order to guarantee the tracking accuracy of solar azimuth, the rotating speed of stepper motor can not be too high, when autotracker is resetting and dark clouds weather drives later beam condensing unit once more and aims at the solar time, if the rotating speed of the stepper motor when also adopting tracing mode, the then required time is longer, real-time just can not well be guaranteed, therefore to carry out speed governing to stepper motor by singlechip chip, promptly when tracing mode, the rotating speed of stepper motor can not be too high, and when reset mode and dark clouds weather need to carry out tracing mode later once more, the rotating speed of stepper motor can correspondingly be heightened, and like this, real-time and tracking precision in the time of can making various mode of operation are guaranteed.
Also have; greasy weather and airborne particle or dust are more for a long time; though sunray is arranged, when the intensity of illumination of the sunshine after converging through beam condensing unit did not reach the intensity of throwing light on required, autotracker of the present utility model can be carried out the original place standby mode.
Embodiment two, optical fiber illuminating system.
This optical fiber illuminating system comprises: beam condensing unit, biography light fibre bundle, luminous conductor (at least one) and autotracker.Beam condensing unit can be under the drive of autotracker, towards the orientation of the sun.This beam condensing unit can be the beam condensing unit based on Cassegrain's structure, also can be other forms of beam condensing unit.Description among the structure of autotracker and the operation of execution such as the above-mentioned embodiment one is in this no longer repeat specification.The light that biography light fibre bundle is assembled beam condensing unit sends luminous conductor to.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit technology of the present utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. the autotracker of an optical fibre illumination is connected with beam condensing unit, it is characterized in that, described autotracker comprises:
Four analog signal voltages are gathered amplifying circuit, each analog signal voltage is gathered amplifying circuit and is included light sensor and analog signal voltage amplifying circuit, and first analog signal voltage is gathered amplifying circuit and is arranged at unscreened spacious place, second analog signal voltage is gathered the top that amplifying circuit is arranged at the daylighting face of beam condensing unit, the 3rd analog signal voltage is gathered the middle part that amplifying circuit is arranged at the daylighting face of beam condensing unit, and the 4th analog signal voltage is gathered the bottom that amplifying circuit is arranged at the daylighting face of beam condensing unit; Wherein, first analog signal voltage is gathered amplifying circuit output two-way analog electrical signal, and second, third and the 4th analog signal voltage are gathered amplifying circuit and respectively exported one road analog voltage signal;
Analog-to-digital conversion module is gathered amplifying circuit with described four analog signal voltages and all is connected, and receives the analog voltage signal that four analog signal voltages are gathered amplifying circuit output, and exports the digital signal of each analog voltage signal correspondence;
Single-chip microcomputer is connected with described analog-to-digital conversion module, receives described digital signal, and the step motor control signal of output tracking pattern/original place standby mode/reset mode;
The step motor drive module is connected with described single-chip microcomputer, receives described step motor control signal, and the pulsed excitation signal of output step motor control signal correspondence;
The stepper motor module is connected with described step motor drive module, receives described pulsed excitation signal, and forward rotation or backward rotation or stop operating.
2. autotracker as claimed in claim 1 is characterized in that, the light sensor in described the 3rd analog signal voltage collection amplifying circuit is arranged at the upper end to be had in opening and the lighttight tube of sidewall.
3. autotracker as claimed in claim 2 is characterized in that, described tube is a cylinder.
4. as claim 1 or 2 or 3 described autotrackers, it is characterized in that described light sensor is a phototriode, and described analog signal voltage amplifying circuit is a transistor amplifier.
5. as claim 1 or 2 or 3 described autotrackers, it is characterized in that described analog-to-digital conversion module is: model is the chip of ADC0809.
6. as claim 1 or 2 or 3 described autotrackers, it is characterized in that the model of described single-chip microcomputer is 89C51.
7. as claim 1 or 2 or 3 described autotrackers, it is characterized in that described autotracker also comprises: frequency dividing circuit is connected respectively with the ALE pin of described single-chip microcomputer and the CLK pin of step motor drive module.
8. as claim 1 or 2 or 3 described autotrackers, it is characterized in that described step motor drive module is: Darlington driver ULN2803.
9. as claim 1 or 2 or 3 described autotrackers, it is characterized in that described stepper motor module comprises: stepper motor that in the vertical direction rotates and the stepper motor that rotates in the horizontal direction.
10. an optical fiber illuminating system is characterized in that, described system comprises: the autotracker of beam condensing unit, biography light fibre bundle, luminous conductor and the described optical fibre illumination of above-mentioned arbitrary claim.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320093654 CN203084563U (en) | 2013-03-01 | 2013-03-01 | Optical fiber lighting system and optical fiber lighting automatic tracking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320093654 CN203084563U (en) | 2013-03-01 | 2013-03-01 | Optical fiber lighting system and optical fiber lighting automatic tracking device |
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| CN203084563U true CN203084563U (en) | 2013-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929853A (en) * | 2016-04-27 | 2016-09-07 | 广西大学 | Solar tracking device based on fiber array |
| CN110427069A (en) * | 2019-08-29 | 2019-11-08 | 安徽金寨抽水蓄能有限公司 | A kind of solar maximum power point model- following control detection system |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929853A (en) * | 2016-04-27 | 2016-09-07 | 广西大学 | Solar tracking device based on fiber array |
| CN110427069A (en) * | 2019-08-29 | 2019-11-08 | 安徽金寨抽水蓄能有限公司 | A kind of solar maximum power point model- following control detection system |
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