CN101750099A - Calibration device for inclination angle sensor - Google Patents
Calibration device for inclination angle sensor Download PDFInfo
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- CN101750099A CN101750099A CN200910251491A CN200910251491A CN101750099A CN 101750099 A CN101750099 A CN 101750099A CN 200910251491 A CN200910251491 A CN 200910251491A CN 200910251491 A CN200910251491 A CN 200910251491A CN 101750099 A CN101750099 A CN 101750099A
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- rotating shaft
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Abstract
The invention discloses a calibration device for an inclination angle sensor, which is characterized in that a dividing head is arranged on an adjustable horizontal base; a three-jaw chuck fixedly connected with the lateral part of the dividing head is used for clamping a sensor fixed frame; an angular displacement platform capable of adjusting a horizontal inclination angle is mounted on the sensor fixed frame; a to-be-calibrated sensor is mounted on the angular displacement platform through a sensor clamp; the dividing head adopts a rotatable component with a horizontal rotating shaft; the end of the horizontal rotating shaft of the dividing shaft is fixedly connected with a rotating handle; the dividing head is used for measuring a rotating angle of the sensor fixed frame by means of an angle vernier coded disc and a dividing head angle coded disc arranged on the horizontal rotating shaft of the dividing head; and the rotating shaft of the sensor fixed frame and the rotating shaft of the dividing head are arranged at 90 degrees in a horizontal plane. The invention has the advantages of simple structure, high calibration accuracy and convenient use.
Description
Technical field
The present invention relates to a kind of angle sensor calibration apparatus, especially the obliquity sensor calibration system.
Background technology
For a long time, rely on bubble formula surveyor's staff for the measurement people of levelness, by checking whether bubble is in horizontality and comes determined level in watch window always.Because bubble formula surveyor's staff can only judge whether level qualitatively, degree that can not quantitative measurment level/inclination, and direct reading, measurement result is influenced greatly by human factor, brings inconvenience and error in actual applications.Along with development of electronic technology, people have researched and developed the multiple inclinator that is used for levelness and inclination measurement, as electronic digital inclinometer, pulsed inclinator and photo-electric inclinator etc.But these inclinators are subjected to the influence of the problems such as output consistance of its obliquity sensor, and signal of sensor and corresponding inclination angle transformational relation must could obtain by demarcating.At present, people are to the demarcation of obliquity sensor, mainly are to utilize the milling machine dividing head to have circle is carried out equal portions or the equal portions function of dividing not, quantitatively produce the inclination angle inclinator is demarcated and checked.This demarcation mode, there are two kinds of systematic errors in itself, can't realize high-precision angle sensor is demarcated.These two kinds of systematic errors are respectively: one, level not necessarily when dividing head is put, plane, place, dividing head bottom surface and surface level have certain angle of inclination, the current angular readings value of the plane at obliquity sensor place and the angle between the surface level and dividing head does not meet in to inclinator rotation calibration process, causes error.They are two years old, lay obliquity sensor and carry out timing signal, generally allowing dividing head be in angular readings earlier is zero position, but obliquity sensor is after installing and fixing on the dividing head usually, the angle of plane, angular transducer place and surface level is not a zero degree, and the null position of angular transducer has just produced error like this.When to accuracy requirement when not high, this kind demarcation mode can meet the demands, but to high-precision angle sensor calibration, this demarcation mode just can not be satisfied the demand.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome weak point of the prior art, and a kind of simple in structure, calibration device for inclination angle sensor that stated accuracy is high, easy to use is provided.
The design feature of calibration device for inclination angle sensor of the present invention is:
Can adjust the base that is level and be provided with dividing head, the scroll chuck clamping fixing rack for sensor that connects firmly with the dividing head sidepiece; The angular displacement platform is installed on the described fixing rack for sensor, and sensor to be calibrated is installed on the angular displacement platform by the sensor anchor clamps;
Described dividing head is the rotatable member with horizontal rotating shaft, axle head at described dividing head horizontal rotating shaft is fixedly connected with turning handle, dividing head is with the angle vernier code-disc that is provided with on its horizontal rotating shaft and the rotational angle of dividing head angle code-disc determination sensor fixed mount, and the rotating shaft of described fixing rack for sensor and the rotating shaft of dividing head are 90 degree and are provided with in surface level.
The scaling method of calibration device for inclination angle sensor of the present invention is:
Adjust base and sensor anchor clamps to horizontality, obliquity sensor to be calibrated is installed on the sensor anchor clamps, determine the rotation step amount of sensor to be calibrated, rotate each required angle value of demarcating by the dividing head handle, the record calibration value, rotate the dividing head handle again and carry out another angle calibration, repeat to finish always until demarcating.
The design feature of calibration device for inclination angle sensor of the present invention also is to be provided for adjusting the Worm and worm-wheel gearing of angular displacement platform, the worm screw that is provided with in adjusting knob and the Worm and worm-wheel gearing connects firmly, the worm gear interlock in angular displacement platform and the Worm and worm-wheel gearing.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, apparatus of the present invention are placed in dividing head on the base, and base is adjustable as level, thereby have guaranteed that dividing head can be placed on the horizontal level, and this mode has overcome because the out-of-level obliquity sensor calibrated error that causes in dividing head installation site;
2, the inventive method is at the beginning timing signal, and dividing head code-disc and alidade all are in zero degree indicating value position, and obliquity sensor is installed on the scroll chuck of dividing head by sensor anchor clamps, angular displacement platform and fixing rack for sensor.Can at first adjust base and angular displacement platform this moment, makes the plane at angular transducer place parallel with surface level, can effectively overcome the error that obliquity sensor causes owing to null position is inaccurate thus.
Description of drawings
Fig. 1 is apparatus of the present invention structural representation.
Fig. 2 is the inner drive mechanism synoptic diagram of dividing head of the present invention.
Fig. 3 is an angular displacement platform adjusting mechanism synoptic diagram of the present invention.
Fig. 4 is a calibration process flow process of the present invention.
Number in the figure: 1 level adjuster; 2 fixing rack for sensor; The rotating shaft of 2A fixing rack for sensor; 3 angular displacement platforms; 3A pin displacement platform is regulated turn-knob; The 3B Worm and worm-wheel gearing; 4 sensor anchor clamps; 5 obliquity sensors; 6 dividing heads; 6A dividing head scroll chuck; 6B dividing head angle vernier code-disc; 6C dividing head angle code-disc; 6D dividing head handle; 6E dividing head horizontal rotating shaft; 7 bases, 8A worm screw, 8B worm gear.
Below pass through embodiment, and the invention will be further described in conjunction with the accompanying drawings.
Embodiment
Referring to Fig. 1, can adjust the base 7 that is level and be provided with dividing head 6, the scroll chuck 6A clamping fixing rack for sensor 2 that connects firmly with dividing head 6 sidepieces; Angular displacement platform 3 is installed on the fixing rack for sensor 2, and sensor 5 to be calibrated is installed on the angular displacement platform 3 by sensor anchor clamps 4;
Dividing head 6 is for having the rotatable member of horizontal rotating shaft, axle head at dividing head horizontal rotating shaft 6E is fixedly connected with turning handle 6D, dividing head 6 is with the angle vernier code-disc 6B that is provided with on its horizontal rotating shaft and the rotational angle of dividing head angle code-disc 6C determination sensor fixed mount 2, and the rotating shaft of fixing rack for sensor rotating shaft 2A and dividing head 6 is 90 degree and is provided with in surface level.
In concrete the enforcement, the inside drive mechanism of dividing head 6 as shown in Figure 2, turning handle 6D is used to drive the rotation of dividing head horizontal rotating shaft 6E, and further drive worm screw 8A rotation by reducing gear, worm gear 8B and worm screw 8A constitute engaged transmission, the rotating shaft of fixing rack for sensor rotating shaft 2A and worm gear 8B connects firmly, and realizes the rotating drive of turning handle 6D for fixing rack for sensor rotating shaft 2A with this.
Adjust horizontal aspect, be triangle distribution as three level adjusters 1 of the feet of base 7 in the bottom of base 7, suitably adjusting can make base 7 be in level.
The design feature of calibration device for inclination angle sensor of the present invention also is to be provided for adjusting the Worm and worm-wheel gearing 3B of angular displacement platform 3, the worm screw that is provided with among adjusting knob 3A and the Worm and worm-wheel gearing 3B connects firmly, the worm gear interlock among angular displacement platform 3 and the Worm and worm-wheel gearing 3B.
The horizontal regulating structure of angular displacement platform 3 as shown in Figure 3, Worm and worm-wheel gearing 3B is set, worm screw among adjusting knob 3A and the Worm and worm-wheel gearing 3B connects firmly, worm gear interlock among angular displacement platform 3 and the Worm and worm-wheel gearing 3B, rotate the degree of tilt that adjusting knob 3A can regulate angular displacement platform 3 by Worm and worm-wheel gearing 3B, promptly adjust the plane at obliquity sensor place and the angle of surface level, up to plane, obliquity sensor place with till surface level is parallel, shaping formula that this is adjustable guaranteed the obliquity sensor null position accurately.
Referring to Fig. 4, calibration process:
Step 100: dividing head 6 is fixed on after the base 7, demarcates flow process and begins
Step 110: adjust the position of base 7 by regulating horizontal adjustment angle 1;
Step 120: check whether level of base 7, if out-of-level continuation regulates, if level enters next step;
Step 130: the dividing head handle 6D that rotates dividing head 6;
Step 140: up to dividing head angle code-disc 6C and dividing head angle vernier code-disc 6B all is zero;
Step 150: mounted angle sensor 5 is to sensor stationary fixture 4;
Step 160: adjust angular displacement platform adjusting knob 3A, make plane, sensor 5 place parallel with surface level;
Step 170: determine that dividing head 6 rotates the step amount;
Step 180:, rotate dividing head handle 6D to next position according to the step amount of determining;
Step 190: the output of writing down sensor to be calibrated;
Step 200: judge whether to demarcate and finish, then do not go to step 170, finish if finish then to demarcate if do not finish;
Step 210: demarcate and finish.
Claims (2)
1. calibration device for inclination angle sensor is characterized in that:
Can adjust the base (7) that is level and be provided with dividing head (6), scroll chuck (6A) the clamping fixing rack for sensor (2) that connects firmly with dividing head (6) sidepiece; The angular displacement platform (3) at horizon adjustable inclination angle is installed on the described fixing rack for sensor (2), and sensor to be calibrated (5) is installed on the angular displacement platform (3) by sensor anchor clamps (4);
Described dividing head (6) is for having the rotatable member of horizontal rotating shaft, axle head at described dividing head horizontal rotating shaft (6E) is fixedly connected with turning handle (6D), dividing head (6) is with the angle vernier code-disc (6B) that is provided with on its horizontal rotating shaft and the rotational angle of dividing head angle code-disc (6C) determination sensor fixed mount (2), and the rotating shaft of the rotating shaft of described fixing rack for sensor and dividing head 6 is 90 degree and is provided with in surface level.
2. calibration device for inclination angle sensor according to claim 1, it is characterized in that being provided for adjusting the Worm and worm-wheel gearing (3B) of angular displacement platform (3), the worm screw that is provided with in adjusting knob (3A) and the Worm and worm-wheel gearing (3B) connects firmly, the worm gear interlock in angular displacement platform (3) and the Worm and worm-wheel gearing (3B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910251491A CN101750099A (en) | 2009-12-24 | 2009-12-24 | Calibration device for inclination angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910251491A CN101750099A (en) | 2009-12-24 | 2009-12-24 | Calibration device for inclination angle sensor |
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| Publication Number | Publication Date |
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| CN101750099A true CN101750099A (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910251491A Pending CN101750099A (en) | 2009-12-24 | 2009-12-24 | Calibration device for inclination angle sensor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915562A (en) * | 2010-07-20 | 2010-12-15 | 中国航空工业集团公司西安飞机设计研究所 | Calibrating device for tilt angle sensor |
| CN102095398A (en) * | 2010-12-28 | 2011-06-15 | 三一重工股份有限公司 | System and method for calibrating tilt angle sensor |
| CN103776628A (en) * | 2014-01-15 | 2014-05-07 | 天津大学 | Reducer torsional rigidity and idle running error test experiment table and test method thereof |
| CN104477409A (en) * | 2014-12-05 | 2015-04-01 | 上海新跃仪表厂 | Device and method for allowing three-axis turntable to be uniaxial |
| CN104977025A (en) * | 2015-06-26 | 2015-10-14 | 上海工程技术大学 | Angle gauge calibrator |
| CN106767934A (en) * | 2017-03-13 | 2017-05-31 | 长春工业大学 | The obliquity sensor installation parameter scaling method of astronomical positioning system horizontal survey |
| CN108120425A (en) * | 2016-11-30 | 2018-06-05 | 北京航天计量测试技术研究所 | It is a kind of can be with the dip measuring device of Auto-calibration |
| CN108267113A (en) * | 2016-12-30 | 2018-07-10 | 捷萌科技股份有限公司 | It is a kind of to utilize mgnetic observations antenna bearingt angle offset and the device and method of calibration |
| CN112304335A (en) * | 2020-09-28 | 2021-02-02 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support inclination angle sensor calibration method and system |
| CN113340332A (en) * | 2021-05-27 | 2021-09-03 | 西安交通大学 | Photoelectric sensor calibration device and method |
| CN113624178A (en) * | 2021-08-18 | 2021-11-09 | 贵州顺康检测股份有限公司 | Displacement meter and inclinometer calibration device and method |
| CN114252056A (en) * | 2021-12-13 | 2022-03-29 | 西安电子工程研究所 | Method for cooperatively detecting horizontal state by adopting tilt angle sensor and water bubble |
-
2009
- 2009-12-24 CN CN200910251491A patent/CN101750099A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915562A (en) * | 2010-07-20 | 2010-12-15 | 中国航空工业集团公司西安飞机设计研究所 | Calibrating device for tilt angle sensor |
| CN102095398A (en) * | 2010-12-28 | 2011-06-15 | 三一重工股份有限公司 | System and method for calibrating tilt angle sensor |
| CN103776628A (en) * | 2014-01-15 | 2014-05-07 | 天津大学 | Reducer torsional rigidity and idle running error test experiment table and test method thereof |
| CN103776628B (en) * | 2014-01-15 | 2016-02-10 | 天津大学 | Speed reduction unit torsional rigidity and idle running error test experimental bed and method of testing thereof |
| CN104477409A (en) * | 2014-12-05 | 2015-04-01 | 上海新跃仪表厂 | Device and method for allowing three-axis turntable to be uniaxial |
| CN104977025A (en) * | 2015-06-26 | 2015-10-14 | 上海工程技术大学 | Angle gauge calibrator |
| CN104977025B (en) * | 2015-06-26 | 2019-06-18 | 上海工程技术大学 | A kind of inclinometer prover |
| CN108120425A (en) * | 2016-11-30 | 2018-06-05 | 北京航天计量测试技术研究所 | It is a kind of can be with the dip measuring device of Auto-calibration |
| CN108267113A (en) * | 2016-12-30 | 2018-07-10 | 捷萌科技股份有限公司 | It is a kind of to utilize mgnetic observations antenna bearingt angle offset and the device and method of calibration |
| CN106767934A (en) * | 2017-03-13 | 2017-05-31 | 长春工业大学 | The obliquity sensor installation parameter scaling method of astronomical positioning system horizontal survey |
| CN106767934B (en) * | 2017-03-13 | 2019-11-19 | 长春工业大学 | The obliquity sensor installation parameter scaling method of astronomical positioning system horizontal measurement |
| CN112304335A (en) * | 2020-09-28 | 2021-02-02 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support inclination angle sensor calibration method and system |
| CN113340332A (en) * | 2021-05-27 | 2021-09-03 | 西安交通大学 | Photoelectric sensor calibration device and method |
| CN113340332B (en) * | 2021-05-27 | 2022-07-12 | 西安交通大学 | Photoelectric sensor calibration device and method |
| CN113624178A (en) * | 2021-08-18 | 2021-11-09 | 贵州顺康检测股份有限公司 | Displacement meter and inclinometer calibration device and method |
| CN114252056A (en) * | 2021-12-13 | 2022-03-29 | 西安电子工程研究所 | Method for cooperatively detecting horizontal state by adopting tilt angle sensor and water bubble |
| CN114252056B (en) * | 2021-12-13 | 2023-08-08 | 西安电子工程研究所 | Method for detecting horizontal state by adopting cooperation of inclination angle sensor and bubble |
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Application publication date: 20100623 |