CN107328431A - Timing orientation sensor carrying platform and its measuring method - Google Patents
Timing orientation sensor carrying platform and its measuring method Download PDFInfo
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- CN107328431A CN107328431A CN201710495015.3A CN201710495015A CN107328431A CN 107328431 A CN107328431 A CN 107328431A CN 201710495015 A CN201710495015 A CN 201710495015A CN 107328431 A CN107328431 A CN 107328431A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 4
- 230000004907 flux Effects 0.000 claims abstract description 3
- 238000012937 correction Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012805 post-processing Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000000729 antidote Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The present invention provides a kind of timing orientation sensor carrying platform, and the carrying platform includes control main frame part and mechanical part two parts.There is provided a kind of measuring method of timing orientation sensor carrying platform simultaneously.Beneficial effect is the various data in the measurable certain space of sensor required for being carried on the platform, is particularly consecutive image in the physical quantity required to direction, angle, such as solar radiation quantity, luminous flux, sound wave, wind speed either space.In space measurement, the quantity that can effectively reduce sensor obtains more reliable data, and the data are easily regular, and what is stored in SD card has the data such as time, angle, can be easy to match the data that sensor is gathered when data processing is done.In post-processing, interpolation method can be used, the data value in any angle and direction is extrapolated, the antidote of this platform can solve the problems, such as the hysterisis error of gear.
Description
Technical field
The present invention relates to field of sensor measurement, more particularly to a kind of timing orientation sensor carrying platform and its measurement
Method.
Background technology
In the scientific researches such as atmospheric science, meteorology, Architecural Physics, Solar use and engineering technology is done, generally require to survey
Physical quantity in one spatial dimension of amount required for us, such as hemisphere solar radiation quantity from the sky, the noise of square all directions,
Consecutive image in the wind speed of different directions, space etc..These are required for gathering all directions in whole three dimensions in real time
The physical quantity transmitted by media such as empty gas and waters, is so accomplished by being required for installation one in the direction that each physical quantity is come
Group sensor, will certainly so increase the cost of sensor deployment.
The content of the invention
The drawbacks of present invention aims at for prior art, there is provided a kind of timing orientation sensor carrying platform and its survey
Amount method, only need to carry the sensor of one group of different angle in orientation, according to angle and the setting rotatable platform of time, from
And the physical quantity of all directions is measured, reduce the installation number of sensor.
To achieve the above object, the technical solution adopted by the present invention is to provide a kind of timing orientation sensor carrying platform,
Wherein：The carrying platform includes control main frame part and mechanical part.The control main frame part includes single-chip microcomputer, clock chip
Module, stepper motor driver, angular transducer, ADC analog-to-digital conversion modules, SD card memory module, power supply, control main frame portion
All constituents are divided to be integrated on one piece of circuit board.
There is provided a kind of measuring method of timing orientation sensor carrying platform simultaneously.
The present invention, which has, saves the advantages such as cost, high applied widely, precision, easy use, efficiency height.Doing air section
, it is necessary to gather institute in whole three dimensions in real time in the scientific researches such as, meteorology, Architecural Physics, Solar use and engineering technology
When having the physical quantity that direction is transmitted by media such as empty gas and waters, it is only necessary to dispose one group of biography of a direction different angle
Sensor, tilt angles scope is 0~90 degree, can generally save more than 75% sensor deployment cost.Using
Driving stepper motor, coordinates the method for upper mounting plate correction, and the angular error scope that ensure that platform rotation is ± 1 degree, is possessed
The characteristics of precision is high.
Cycle time span of the invention is short, and the data of a cycle can be measured within general ten minutes；Positioning precision is high,
Transmitted using stepper motor and The gear deceleration, platform running accuracy can ensure in 1 angular range, can meet directionality
The measurement of sensitive physical quantity.
Data of the present invention are easily regular, and what is stored in SD card has the data such as time, angle, can be with when data processing is done
It is easy to match the data that sensor is gathered.And in post-processing, can use interpolation method, extrapolate any angle with
The data value in direction.
Brief description of the drawings
Fig. 1 a are structural front view of the invention；
Fig. 1 b are structure bottom view of the invention；
Fig. 1 c are structure top view of the invention；
Fig. 2 is control main frame structure chart of the invention；
Fig. 3 is control mode block diagram of the invention；
Fig. 4 a rotate schematic diagram for 45 degree of set angles of the present invention；
Fig. 4 b correct schematic diagram for 45 degree of set angles of the present invention.
In figure：
1. the angular transducer of 2. clock chip module 3.ADC analog-to-digital conversion modules of control main frame 4.
The rotary base of 8. rotating disk of 5.SD cards memory module 6. stepper motor driver, 7. single-chip microcomputer 9.
10. the stepper motor wire of 11 stepping motor gear of stepper motor, 12. mainshaft gear 13.
14. the angular contact bearing component of 15. angular transducer of angle sensor data line 16.
17. the main shaft of 18. sensor carrying platform of sensor data cable, 19. sensor 20.
21. the power supply of mechanical part 22.
Embodiment
The timing orientation sensor carrying platform and its measuring method of the present invention are further illustrated below in conjunction with the accompanying drawings.
In the timing orientation sensor carrying platform of the present invention, the measured object of acquiescence is within a short period of time or measurement period
Interior change is little, can be neglected.
The timing orientation sensor carrying platform of the present invention includes control main frame part 1 and the two parts of mechanical part 21, control
Host machine part 1 processed includes single-chip microcomputer 7, clock chip module 2, stepper motor driver 6, angular transducer 4, ADC analog-to-digital conversions
Module 3, SD card memory module 5；Mechanical part 21 include rotating disk 8, rotary base 9, stepper motor 10, stepping motor gear 11,
Main shaft 20, mainshaft gear 12, sensor 19, sensor data cable 17, angular transducer 15, angle sensor data line 14, step
Stepper motor wire 13, angular contact bearing component 16, sensor carrying platform 18.
As shown in Fig. 1 a, 1b, 1c, the carrying platform is turned by control main frame 1 by Driving Stepping Motor 10 so as to drive
Disk 8 is rotated, and rotating disk 8 is integral type structure with main shaft 20, and angular contact bearing component 16 is connected to main shaft 20 and rotary base 9, its
Middle angular contact bearing component 16 is fixed on rotary base 9, the internal diameter of angular contact bearing component 16 as the external diameter of main shaft 20,
Fixed by jackscrew, gear and angular transducer are installed on main shaft 20, stepper motor 10, stepping are provided with rotary base
The gear of motor 10 is connected with the gear engagement on main shaft 20, and wherein sensor 19 is arranged on sensor carrying platform 18, is led to
Cross sensor data cable 17 and be connected to control main frame part 1, angular transducer 15 passes through angle sensor with control main frame part 1
Device data wire 14.The sensor 19 of middle carrying is measurement to direction, the sensor of the physical quantity of angular-sensitive, the physical quantity bag
Include consecutive image in solar radiation quantity, luminous flux, sound wave, wind speed either space.
As shown in Fig. 2 the carrying platform includes single-chip microcomputer 7, stepper motor driver 6, angle sensor by control main frame 1
Device 4, ADC analog-to-digital conversion modules 3, SD card memory module 5.User programs to single-chip microcomputer 7, determines time and the angle of turntable rotation
Degree, clock chip module 2 determines the time of platform motion, and angular transducer 4, ADC analog-to-digital conversion modules 3 are corrected as feedback
The angle of the rotation of platform, the storage time of SD card memory module 5, angle, sensing data, stepper motor driver 6 receives list
The control signal of piece machine 7, then the output rotating of stepper motor driver 6 and pwm signal, control the rotating of stepper motor 10 and speed
Degree.Power supply 22 can be matched according to the model of single-chip microcomputer 7 and the model of stepper motor 11.
Single-chip microcomputer 7 is programmable according to program setting initial rotation time, rotational angle and to turn to set angle institute
The time needed.As needed, the cycle of operation of platform is determined, is 45 degree of set angle rotation schematic diagrames of platform as shown in fig. 4 a,
Wherein angle 1. be oriented to direct north；Using 45 degree of rotational angles as example, the cycle is 8 minutes.Platform reset is initialized,
At the 0th minute, single-chip microcomputer 7 reads the clock signal of clock chip module 2, and angle was 1. turned to by angle within 10 second time
2., angle is 45 degree, the stabilization of platform 18, measurement data, storage time, angle, sensing data；The single-chip microcomputer 7 at the 1st minute
The clock signal of clock chip module 2 is read, 3. 2. angle is turned to by angle within 10 second time, angle is 45 degree, is put down
Platform is stable, measurement data, storage time, angle, sensing data；Repeat above step to platform 18 and go to angle 8., measure
After data, data storage, at the 7th minute, 9. 8. platform went to angle by angle, up time of the position of angle 9. in angle 1.
At 3~5 degree of pin direction, 9. platform 18 is gone to the measurement that 1. angle completes a cycle by angle, lasts 8 minutes.
As shown in figure 3, angle of the given angle for expected setting, output angle is the angle of the actual rotation of platform 18,
Platform 18 run during, if subjected to external interference produce disturbing signal, the output angle that 18 turns of platform, may with to
Determine angle and there is error, be accomplished by angular transducer 15 this when and return to output angle angle value making and being compared with given angle value,
Then the driving rotating disk 8 of stepper motor 10 starts angle biography in correction, correcting process more than 1 degree for output angle and the error of given angle
Sensor 15, which constantly returns to output angle angle value and made with given angle value, to be compared.
As shown in Figure 4 b, it is 45 degree of set angles of platform correction schematic diagrames, is that rotational angle is ahead of expected angle in a-quadrant
Error range outside, rotating disk 8 starts correction, and rotating disk 8 first reversely goes to b by a, and b angle lags behind expected 3~5 degree of angle,
Turntable goes to after b and goes to c by b forward directions again, and c angle is expected angle allowable error scope；It is delayed for rotational angle in B regions
Outside the error range of expected angle, turntable starts correction, and turntable is continued just to go to e by d, and e angle is that expected angle permits
Perhaps error range, error range is ± 1 degree.
The direction of sensor carrying platform 18 should be consistent with the direction of angle 1., so can easily be matched
Measurement data, storage time, angle, sensing data.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and equivalent structure transformation that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (5)
1. a kind of timing orientation sensor carrying platform, it is characterized in that：The carrying platform includes control main frame part (1) and machinery
Partly (21)；
The control main frame part (1) includes single-chip microcomputer (7), clock chip module (2), stepper motor driver (6), angle and passed
Sensor (4), ADC analog-to-digital conversion modules (3), SD card memory module (5), power supply (22), control main frame part (1) all composition portions
Divide and be integrated on one piece of circuit board；
The mechanical part (21) includes rotating disk (8), rotary base (9), stepper motor (10), stepping motor gear (11), master
Axle (20), mainshaft gear (12), sensor (19), sensor data cable (17), angular transducer (15), angle sensor data
Line (14), stepper motor wire (13), angular contact bearing component (16), sensor carrying platform (18)；The angular contact bearing
It is fixed on the inside of component (16) on main shaft (20), outside is connected by screw with rotary base (9), the middle angular contact bearing
In annular shape on the inside of component (16), annular diameters are more than main shaft (20) diameter；Main shaft is provided with gear and angle sensor on (20)
Device (15), is provided with stepper motor (10), gear and the gear on main shaft (20) of stepper motor (10) are nibbled in rotary base (9)
Close, the sensor (19) is arranged on sensor carrying platform (18), control master is connected to by sensor data cable (17)
On the single-chip microcomputer (7) of machine part (1), angular transducer (15) passes through angle sensor data line (14) and control main frame part
(1) single-chip microcomputer (7) connection；Power supply (22) is powered for control main frame part (1), while power supply (22), which is single-chip microcomputer (7), supplies 5V
Direct current, is the power supply that stepper motor driver (6) provides that voltage is 5~36V, the step according to the power of stepper motor (10)
Stepper motor driver (6) has the output function of positive and negative rotaring signal and PWM ripples, and the signal of rotating is controlled to walk by single-chip microcomputer (7)
Stepper motor driver (6) is exported, and pwm signal is set by stepper motor driver (6) and exported.
2. timing orientation sensor carrying platform according to claim 1, it is characterized in that：The sensor carrying platform
(18) it is fixed on rotating disk (8), sensor (19) is rotated with rotating disk (8), all directions pass through empty gas and water in measurement three dimensions
The physical quantity that medium is transmitted.
3. timing orientation sensor carrying platform according to claim 1 or 2, it is characterized in that：The sensor (19) is
Measurement includes solar radiation quantity, luminous flux, sound wave, wind speed to direction, the sensor of the physical quantity of angular-sensitive, the physical quantity
Or consecutive image in space.
4. timing orientation sensor carrying platform according to claim 1 or 2, it is characterized in that：Sensor (19) root
According to needing to set according to different tilt angles, can in measurement space any direction arbitrary angle data, the inclination angle
Angular range is 0~90 degree.
5. the measuring method of timing orientation sensor carrying platform according to claim 1, it is characterized in that：This method step
Following steps：
Step 1, according to the program setting initial rotation time of single-chip microcomputer (7), rotational angle and needed for turning to set angle
The time wanted；At the 0th minute, single-chip microcomputer (7) read the clock signal of clock chip module (2), within 10 second time by
2. 1. angle rotate counterclockwise to angle, platform stable；
Step 2, at the 1st minute, single-chip microcomputer (7) read the clock signal of clock chip module (2), within 10 second time by
3. 2. angle turn to angle, and angle is 45 degree, platform stable, measurement data, storage time, angle, sensing data；Repeat
8. above step to platform goes to angle, measurement data；
Step 3, stepper motor driver (6) receives single-chip microcomputer (7) control signal, and then stepper motor driver (6) is exported just
Reversion and pwm signal, control stepper motor (10) rotating and speed；
Step 4, the rotational angle of platform is ahead of outside the error range of expected angle, advanced 1 degree of error, stepper motor (10)
Driving rotating disk (8) starts correction, and rotating disk (8) first goes to certain angle clockwise by existing angle, and this angle lags behind expection
3~5 degree of angle, then rotating disk (8) go to expected angle counterclockwise again, the angle of correction stops rectifying up to the error range allowed
Just, it is allowed to error angle scope be ± 1 degree, this correction mode avoids the hysterisis error produced due to gear clearance from asking
Topic；
The rotational angle of platform is lagged behind outside the error range of expected angle, and stepper motor (10) driving rotating disk (8), which starts, to be rectified
Just, rotating disk (8) is continued to go to expected angle counterclockwise by existing angle, and error range is ± 1 degree；
Step 5, platform can voluntarily match time and angle in a program, when platform completes 360 degree of all directions or a week
After the measurement of phase, rotating disk (8) can be reset to initial position；During reset, 9. 8. platform go to angle clockwise by angle, and angle is 9.
Position at angle 3~5 degree of clockwise direction 1., 9. platform is gone to angle by angle and 1. completes a cycle counterclockwise
Measurement, the error caused with the backhaul for eliminating gear clearance and producing；
The direction of sensor carrying platform (18) should be consistent with the direction of angle 1., the measurement data easily matched,
Storage time, angle, sensing data, all information of sensor (19) and the information of angular transducer (15) pass through respectively
Sensor data cable (17) and angle sensor data line (14) are stored into SD card memory module (5), and measurement data is monolithic
Machine (7) reads the current time of clock chip module (2), stores into SD card memory module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495015.3A CN107328431A (en) | 2017-06-26 | 2017-06-26 | Timing orientation sensor carrying platform and its measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495015.3A CN107328431A (en) | 2017-06-26 | 2017-06-26 | Timing orientation sensor carrying platform and its measuring method |
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| CN201710495015.3A Pending CN107328431A (en) | 2017-06-26 | 2017-06-26 | Timing orientation sensor carrying platform and its measuring method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108871401A (en) * | 2018-07-05 | 2018-11-23 | 天津市盛佳怡电子有限公司 | A kind of fixing tool for wind electricity blade detection |
| CN110763196A (en) * | 2019-11-13 | 2020-02-07 | 自然资源部第一海洋研究所 | Beach section form evolution real-time measuring device and method |
| CN116404977A (en) * | 2023-05-05 | 2023-07-07 | 上海摩昆新能源科技有限公司 | Photovoltaic tracking bracket and photovoltaic tracking bracket self-correction method |
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| CN103090829A (en) * | 2013-02-18 | 2013-05-08 | 成都九鼎科技(集团)有限公司 | Absorber three-dimensional scanning positioning device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108871401A (en) * | 2018-07-05 | 2018-11-23 | 天津市盛佳怡电子有限公司 | A kind of fixing tool for wind electricity blade detection |
| CN110763196A (en) * | 2019-11-13 | 2020-02-07 | 自然资源部第一海洋研究所 | Beach section form evolution real-time measuring device and method |
| CN116404977A (en) * | 2023-05-05 | 2023-07-07 | 上海摩昆新能源科技有限公司 | Photovoltaic tracking bracket and photovoltaic tracking bracket self-correction method |
| CN116404977B (en) * | 2023-05-05 | 2024-08-02 | 上海摩昆新能源科技有限公司 | Photovoltaic tracking bracket and photovoltaic tracking bracket self-correction method |
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Application publication date: 20171107 |