CN203102013U - Solar radio telescope automatic tracking device based on Beidou system - Google Patents
Solar radio telescope automatic tracking device based on Beidou system Download PDFInfo
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- CN203102013U CN203102013U CN 201320040129 CN201320040129U CN203102013U CN 203102013 U CN203102013 U CN 203102013U CN 201320040129 CN201320040129 CN 201320040129 CN 201320040129 U CN201320040129 U CN 201320040129U CN 203102013 U CN203102013 U CN 203102013U
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Abstract
The utility model discloses a solar radio telescope automatic tracking device based on Beidou system. The solar radio telescope automatic tracking device comprises an antenna, an antenna rotary table, a Beidou satellite receiving module, a sun tracking controller, a motor driving module, a radio receiver and a display device, wherein the Beidou satellite receiving module acquires time service information and position information through the satellite, and transmits the time service information and the position information to the sun tracking controller; the sun tracking controller obtains a current position of the sun; and the motor driving module drives the antenna rotary table to rotate on the basis of the current position of the sun. The solar radio telescope automatic tracking device is not affected by light intensity of light rays, and has good environment adaptability. Since the Beidou satellite receiving module acquires the positioning and time service signals directly from the satellite, the information has good characteristics of high precision and absolute authenticity. In addition, when an observation spot changes, no artificial configuration on geographical position information is needed, artificial complexity is thus reduced, and information errors caused due to human errors are at the same time prevented.
Description
Technical field
The utility model belongs to the radioastronomy control antenna from motion tracking sun field, relates to a kind of solar radio emission telescope autotracker of dipper system.
Background technology
Solar radio astronomy is exactly a radio radiation of utilizing the solar radio emission telescope to come the observational study sun, and in conjunction with the data of other electromagenetic wave radiation of the sun, and further discloses a natural science of Solar Physics essence.During solar radio burst, flare burst of following sometimes and magnetic storm etc. are very big to the radio wave propagation influence, and caused ionospheric scintillation influences the operating distance and the imaging precision of radar, and serious ionospheric scintillation can cause the interruption of radar signal.The problem of " space weather and the weather " that causes by solar disturbance, comprise radar might for the technological system on space and ground, communicate by letter, navigational system brings serious threat, even cause tremendous influence and loss, the solar radio emission frequency spectrograph is frequency spectrum form and the variation characteristic of research solar radio emission in each frequency range outburst, and the visual plant of inquiring into solar radio burst mechanism, for predicting that Sunspot Activities and accumulation solar activity provide a large amount of basic datas to ionospheric influence, significant to human research's sun cause.Obviously, studying and design accurate solar radio emission telescope autotracker, is the prerequisite basis of observation solar activity, research Solar Physics essence.
In existing solar radio emission telescope tracker, tracking means mainly is the sensitometric characteristic based on photoelectric sensor, realizes the tracking to the sun.But this device is comparatively responsive to light intensity, is subject to the stray light influence, and environmental suitability is poor, causes the positioning error to tracing object easily.
The tracking that also has some devices to adopt is to calculate position of sun according to current time and local longitude and latitude, thereby the control antenna motion is to realize the tracking to the sun.But the current time information that this method needs is generally provided by system clock, and self error even mistake might be distorted or occur to system clock, thereby influences the bearing accuracy of tracker; Simultaneously, local latitude and longitude information needs artificial input, and its precision inadequately accurately and the possibility of input error is arranged causes locating mistake.And, when observing, need re-enter this information in different places, increased manually-operated complicacy.
Beidou satellite navigation system is China's China domestic RNAV system of covering of development voluntarily.About 70 ° ~ 140 ° of coverage east longitude, 5 ° ~ 55 ° of north latitude.System is made up of vacant terminal, ground surface end and user side, has tentatively possessed area navigation, location and time service ability, about tens meters of three-dimensional localization precision, the about 100ns of time service precision.
Therefore, need a kind of new solar radio emission telescope tracking means to address the above problem.
The utility model content
The utility model purpose: the utility model provides a kind of solar radio emission telescope autotracker based on dipper system at the defective of solar radio emission telescope tracking means in the prior art.
Technical scheme: for solving the problems of the technologies described above, the solar radio emission telescope autotracker based on dipper system of the present utility model adopts following technical scheme:
A kind of solar radio emission telescope autotracker based on dipper system, comprise antenna, antenna rotating platform, big-dipper satellite receiver module, solar tracking controller, motor drive module, radio receiver and display device, described big-dipper satellite receiver module is communicated by letter via satellite and is obtained time service information and positional information, and sends described time service information and positional information to described solar tracking controller; Described solar tracking controller obtains current time and local longitude and latitude according to described time service information and positional information, thereby obtains the current location of the sun; Described motor drive module drives described antenna rotating platform rotation according to the current location of the sun, and described antenna is arranged on the described antenna rotating platform; Described radio receiver connects described antenna, and described solar tracking controller all is connected described display device with described radio receiver.
Wherein, display device provides a close friend's interface, makes things convenient for the user can monitor the working condition of radio telescope (comprising data that the radio receiver is uploaded and current location of antenna etc.) indoor.Wherein, display device can be a computer.The solar tracking controller is responsible for obtaining current time and local longitude and latitude from the big-dipper satellite receiver module, utilize uranology knowledge, can calculate the angle of pitch under horizontal coordinates and the position angle of the sun, thereby obtain the current location of the sun, according to this position, the solar tracking controller is controlled described motor drive module drive motor and is rotated, and drives antenna and arrives the target location.
Further, described antenna is a parabola antenna.Described parabola antenna and pitching turntable are fixed together, and are following the rotation of antenna rotating platform and move.
Further, described antenna rotating platform comprises pitching turntable and azimuth rotating platform.Azimuth rotating platform can drive whole turntable and the rotation of described parabola antenna on azimuth direction, and the pitching turntable can only drive the rotation of antenna on pitch orientation, thereby realizes the rotation of antenna two direction degree of freedom.
Further, described pitching turntable is arranged on the described azimuth rotating platform.
Further, described pitching turntable comprises first motor, first code-disc, first gear set, first limit switch, second limit switch and first carriage, described first motor, first code-disc, first gear set, first limit switch and second limit switch all are arranged in described first carriage, described first gear set connects described first motor and described antenna, described first gear set is provided with described first code-disc, described first limit switch connects described first code-disc, and described second limit switch connects described first gear set.The solar tracking controller passes through the first code-disc recording impulse number, and judges the position of antenna according to umber of pulse.First gear set connects motor and antenna, plays the effect of transmission and change antenna rotation rate.First limit switch and second limit switch mainly use zero the time in the school.First carriage is positioned at pitching turntable outermost, plays the effect of protection inner body and support.
Further, described azimuth rotating platform comprises second motor, second code-disc, second gear set, the 3rd limit switch, the 4th limit switch and second carriage, described second motor, second code-disc, second gear set, the 3rd limit switch and the 4th limit switch all are arranged in described second carriage, described second gear set connects described second motor and described antenna, described the 3rd limit switch connects described second code-disc, and described the 4th limit switch connects described second gear set.The solar tracking controller passes through the second code-disc recording impulse number, and judges the position of antenna according to umber of pulse.Second gear set connects motor and antenna, plays the effect of transmission and change antenna rotation rate.The 3rd limit switch and the 4th limit switch mainly use zero the time in the school.First carriage is positioned at pitching turntable outermost, plays the effect of protection inner body and support.
Beneficial effect: of the present utility modelly can not be subjected to the influence of light light intensity, good environmental suitability be arranged, no matter the fine cloudy day can both be realized accurate in locating based on the solar radio emission telescope autotracker of dipper system.And described big-dipper satellite receiver module is directly to obtain location and time signal from satellite, and this information has high precision, as straight as a die superperformance.In addition, when the observation place changes, do not need geographical location information is carried out human configuration, reduce artificial complicacy, avoided because human error causes information to be made mistakes simultaneously yet.
Description of drawings
The structural representation of Fig. 1 solar radio emission telescope autotracker based on dipper system of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
See also shown in Figure 1ly, the solar radio emission telescope autotracker based on dipper system of the present utility model comprises antenna 1, antenna rotating platform, big-dipper satellite receiver module, solar tracking controller, motor drive module, radio receiver and display device 4.Wherein, antenna 1 is a parabola antenna.Antenna 1 is fixed together with pitching turntable 2, is following the rotation of antenna rotating platform and moves.
The big-dipper satellite receiver module is communicated by letter via satellite and is obtained time service information and positional information, and sends time service information and positional information to the solar tracking controller.The solar tracking controller obtains current time and local longitude and latitude according to time service information and positional information, thereby obtains the current location of the sun.The solar tracking controller is responsible for obtaining current time and local longitude and latitude from the big-dipper satellite receiver module, utilize uranology knowledge, can calculate the angle of pitch under horizontal coordinates and the position angle of the sun, thereby obtain the current location of the sun, according to this position, solar tracking controller control motor drive module drive motor rotates, and drives antenna 1 and arrives the target location.
Motor drive module rotates according to the current location driven antenna turntable of the sun, and antenna 1 is arranged on the antenna rotating platform.Antenna rotating platform comprises pitching turntable 2 and azimuth rotating platform 3.Azimuth rotating platform 3 can drive whole turntable and the rotation of antenna 1 on azimuth direction, and pitching turntable 2 can only drive the rotation of antenna 1 on pitch orientation, thereby realizes 1 liang of direction degree of freedom rotation of antenna.Wherein, pitching turntable 2 is arranged on the azimuth rotating platform 3.Pitching turntable 2 comprises first motor, first code-disc, first gear set, first limit switch, second limit switch and first carriage, first motor, first code-disc, first gear set, first limit switch and second limit switch all are arranged in first carriage, first gear set connects first motor and antenna 1, first gear set is provided with first code-disc, first limit switch connects first code-disc, and second limit switch connects first gear set.Wherein, first motor can be direct current generator.The solar tracking controller passes through the first code-disc recording impulse number, and judges the position of antenna 1 according to umber of pulse.First gear set connects motor and antenna 1, plays the effect of transmission and change antenna 1 rotating speed.First limit switch and second limit switch mainly use zero the time in the school.First carriage is positioned at pitching turntable 2 outermost, plays the effect of protection inner body and support.Azimuth rotating platform 3 comprises second motor, second code-disc, second gear set, the 3rd limit switch, the 4th limit switch and second carriage, second motor, second code-disc, second gear set, the 3rd limit switch and the 4th limit switch all are arranged in second carriage, second gear set connects second motor and antenna 1, the 3rd limit switch connects second code-disc, and the 4th limit switch connects second gear set.Wherein, second motor can be direct current generator.The solar tracking controller passes through the second code-disc recording impulse number, and judges the position of antenna 1 according to umber of pulse.Second gear set connects motor and antenna 1, plays the effect of transmission and change antenna 1 rotating speed.The 3rd limit switch and the 4th limit switch mainly use zero the time in the school.First carriage is positioned at pitching turntable 2 outermost, plays the effect of protection inner body and support.
The radio receiver connects antenna 1, and the solar tracking controller all is connected display device 4 with the radio receiver.Wherein, display device 4 provides a close friend's interface, makes things convenient for the user can monitor the working condition of radio telescope (comprising data that the radio receiver is uploaded and current location of antenna 1 etc.) indoor.Display device 4 can be a computer.
Solar radio emission telescope autotracker of the present utility model uses the big-dipper satellite receiver module to obtain local positional information (longitude and latitude) and current time information, again according to the sunny position (position angle and the angle of pitch) under the horizontal system of coordinates of these information calculations, and control antenna 1 motion, make it towards this position, thereby realize real-time automatic tracking the sun.
The first step of system start-up is school zero, promptly control antenna 1 moves to the initial position of appointment, and this initial position is to use limit switch to carry out mark.Then, the utilization of solar tracking controller is calculated the local current solar azimuth and the sun angle of pitch from time service information and locating information that the big-dipper satellite receiver module obtains, and utilize formula that angle is converted into umber of pulse, orientation pulse ANum=A*M, wherein M is that antenna 1 rotates the corresponding umber of pulse of 1 degree, and A is an orientation angles; Pitching pulse HNum=H*M, wherein M is that antenna 1 rotates the corresponding umber of pulse of 1 degree, H is an orientation angles.Comparison order umber of pulse CNum and antenna 1 P-pulse are counted NNum, if CNum＞NNum, then control antenna 1 clockwise rotates; If CNum＜NNum, then counter-rotating is up to CNum=NNum.After antenna 1 rotate in place, controller obtained time service and locating information from the big-dipper satellite receiver module again, and the computations umber of pulse compares with the P-pulse number, if the control antenna 1 that satisfies condition again moves to the location of instruction again again.Constantly repeat above-mentioned steps can realize to the sun from motion tracking.
Above-mentioned tracing process has two problems to explain in detail, and first problem is how the value of M obtains.
This value can obtain by experiment, and when record antenna 1 turned around (360 °), the umber of pulse CYCLE that the solar tracking controller is read from code-disc repeatedly write down CYCLE1, CYCLE2, CYCLE3 ..., take the mean
And calculate the umber of pulse that antenna 1 changes 1 degree
How second problem be by time service information and the sunny position of positional information calculation.
The position of sun information that the utility model calculated is the position of sun under the horizontal system of coordinates, the common sign of two amounts of the user's parallactic angle and the angle of pitch.
The sun angle of pitch, promptly the computing formula of altitude of the sun is
The calculating formula of solar azimuth is
Wherein, δ is a declination angle,
Be the geographic latitude of locality, τ is a solar hour angle at that time.The calculating of declination angle and solar hour angle is prior art.
Of the present utility modelly can not be subjected to the influence of light light intensity, good environmental suitability be arranged, no matter the fine cloudy day can both be realized accurate in locating based on the solar radio emission telescope autotracker of dipper system.And the big-dipper satellite receiver module is directly to obtain location and time signal from satellite, and this information has high precision, as straight as a die superperformance.In addition, when the observation place changes, do not need geographical location information is carried out human configuration, reduce artificial complicacy, avoided because human error causes information to be made mistakes simultaneously yet.
Claims (6)
1. solar radio emission telescope autotracker based on dipper system, it is characterized in that, comprise antenna, antenna rotating platform, big-dipper satellite receiver module, solar tracking controller, motor drive module, radio receiver and display device, described big-dipper satellite receiver module is communicated by letter via satellite and is obtained time service information and positional information, and sends described time service information and positional information to described solar tracking controller; Described solar tracking controller obtains current time and local longitude and latitude according to described time service information and positional information, thereby obtains the current location of the sun; Described motor drive module drives described antenna rotating platform rotation according to the current location of the sun, and described antenna is arranged on the described antenna rotating platform; Described radio receiver connects described antenna, and described solar tracking controller all is connected described display device with described radio receiver.
2. the solar radio emission telescope autotracker based on dipper system as claimed in claim 1 is characterized in that described antenna is a parabola antenna.
3. the solar radio emission telescope autotracker based on dipper system as claimed in claim 1 is characterized in that described antenna rotating platform comprises pitching turntable and azimuth rotating platform.
4. the solar radio emission telescope autotracker based on dipper system as claimed in claim 3 is characterized in that described pitching turntable is arranged on the described azimuth rotating platform.
5. the solar radio emission telescope autotracker based on dipper system as claimed in claim 3, it is characterized in that, described pitching turntable comprises first motor, first code-disc, first gear set, first limit switch, second limit switch and first carriage, described first motor, first code-disc, first gear set, first limit switch and second limit switch all are arranged in described first carriage, described first gear set connects described first motor and described antenna, described first gear set is provided with described first code-disc, described first limit switch connects described first code-disc, and described second limit switch connects described first gear set.
6. the solar radio emission telescope autotracker based on dipper system as claimed in claim 3, it is characterized in that, described azimuth rotating platform comprises second motor, second code-disc, second gear set, the 3rd limit switch, the 4th limit switch and second carriage, described second motor, second code-disc, second gear set, the 3rd limit switch and the 4th limit switch all are arranged in described second carriage, described second gear set connects described second motor and described antenna, described the 3rd limit switch connects described second code-disc, and described the 4th limit switch connects described second gear set.
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| CN 201320040129 CN203102013U (en) | 2013-01-24 | 2013-01-24 | Solar radio telescope automatic tracking device based on Beidou system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592958A (en) * | 2013-11-20 | 2014-02-19 | 上海电机学院 | Solar energy light following method and system |
| CN103872976A (en) * | 2014-01-12 | 2014-06-18 | 莫岸 | Solar-energy automatic tracing system based on Beidou Navigation System |
| CN105069979A (en) * | 2015-08-19 | 2015-11-18 | 上海斗海信息科技发展有限公司 | Water life-saving satellite positioning alarm method and terminal, and life jacket |
| CN106773006A (en) * | 2017-01-20 | 2017-05-31 | 南通斯密特森光电科技有限公司 | Automatic-searching tracks the sun and pinpoint telescope |
| CN107147469A (en) * | 2017-07-14 | 2017-09-08 | 中国科学院云南天文台 | The system that satellite communication is disturbed based on vacant lot translocation early warning solar radio burst |
| CN107768829A (en) * | 2017-09-29 | 2018-03-06 | 中国电子科技集团公司第五十四研究所 | A kind of antenna based on solar tracking points to modification method |
| CN109946726A (en) * | 2019-02-25 | 2019-06-28 | 昆明理工大学 | A kind of local due south azimuthal measurement apparatus based on photovoltaic power supply |
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2013
- 2013-01-24 CN CN 201320040129 patent/CN203102013U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592958A (en) * | 2013-11-20 | 2014-02-19 | 上海电机学院 | Solar energy light following method and system |
| CN103872976A (en) * | 2014-01-12 | 2014-06-18 | 莫岸 | Solar-energy automatic tracing system based on Beidou Navigation System |
| CN105069979A (en) * | 2015-08-19 | 2015-11-18 | 上海斗海信息科技发展有限公司 | Water life-saving satellite positioning alarm method and terminal, and life jacket |
| CN106773006A (en) * | 2017-01-20 | 2017-05-31 | 南通斯密特森光电科技有限公司 | Automatic-searching tracks the sun and pinpoint telescope |
| CN107147469A (en) * | 2017-07-14 | 2017-09-08 | 中国科学院云南天文台 | The system that satellite communication is disturbed based on vacant lot translocation early warning solar radio burst |
| CN107147469B (en) * | 2017-07-14 | 2023-02-03 | 中国科学院云南天文台 | System for early warning solar radio outbreak interference satellite communication based on air-ground joint survey |
| CN107768829A (en) * | 2017-09-29 | 2018-03-06 | 中国电子科技集团公司第五十四研究所 | A kind of antenna based on solar tracking points to modification method |
| CN107768829B (en) * | 2017-09-29 | 2019-07-26 | 中国电子科技集团公司第五十四研究所 | A kind of antenna direction modification method based on solar tracking |
| CN109946726A (en) * | 2019-02-25 | 2019-06-28 | 昆明理工大学 | A kind of local due south azimuthal measurement apparatus based on photovoltaic power supply |
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