CN201945301U - Calibration system of inclination angle sensor - Google Patents
Calibration system of inclination angle sensor Download PDFInfo
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- CN201945301U CN201945301U CN2010206850948U CN201020685094U CN201945301U CN 201945301 U CN201945301 U CN 201945301U CN 2010206850948 U CN2010206850948 U CN 2010206850948U CN 201020685094 U CN201020685094 U CN 201020685094U CN 201945301 U CN201945301 U CN 201945301U
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- turning axle
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Abstract
The utility model discloses a sensor technology, in particular relating to a calibration system of an inclination angle sensor. The calibration system of the inclination angle sensor comprises a controller, a driving device, a rotating shaft, two angle measuring devices and a calibration disk, wherein the driving device drives the rotating shaft; the rotating shaft is rotatably arranged on a frame body, and the calibration disk is arranged on the rotating shaft; the calibration surface of the calibration disk is provided with an inclination angle sensor to be calibrated, and the calibration surface is vertical to the rotation axis of the rotating shaft; the two angle measuring devices are respectively used for measuring the rotation angles of the calibration disk and the rotating shaft; and the controller sends data to the inclination angle sensor to be calibrated according to the two rotation angles. Compared with the prior art, the calibration system has the advantages that the calibration efficiency of the inclination angle sensor can be greatly improved; and the two angle measuring devices are arranged for respectively carrying out angle measurement on the rotating shaft and the calibration disk, thus the calibration system can carry out self detection, therefore the calibration system can be adjusted and maintained in time.
Description
Technical field
The utility model relates to a kind of sensor technology, particularly a kind of calibration system of obliquity sensor.
Background technology
At present, the obliquity sensor of acceleration obliquity sensor or other types, volume is little, low in energy consumption because of possessing, response speed fast and the reliability advantages of higher, has been widely used in engineering machinery field
Identical with other sensors, obliquity sensor can convert tested non electrical quantity variation to predetermined electric weight, thinks that the control of engineering machinery and manipulation provide data message; In order to ensure the homogeneity of obliquity sensor measurement data, in the scope of measuring, guarantee the consistance of sensitivity, need to keep its output input characteristics to have linearity; But owing to the influence of systematic error and stochastic error, always there is nonlinear with different degree in output/input characteristics in fact.For the needs of the measurement of angle of satisfying engineering machinery, guarantee the obliquity sensor good linearty, just need calibrate, with the linearity of raising obliquity sensor a plurality of angle measurement in the obliquity sensor measurement range.Calibrate for a plurality of angle measurement to obliquity sensor, prior art utilizes dividing head as the angle generating means, and a plurality of predetermined angular measured values in the obliquity sensor measurement range are calibrated; Though this mode calibration accuracy height because this method needs manually to measure respectively, can't be realized the robotization of calibrating causing calibration efficiency very low, can't satisfy obliquity sensor and proofread, refer to the demand of producing in batches.
Therefore, how improving the calibration efficiency of obliquity sensor, is those skilled in the art's technical issues that need to address.
The utility model content
Therefore, the purpose of this utility model is, a kind of calibration system of obliquity sensor is provided, and to improve the calibration efficiency of obliquity sensor, finishes the calibration of the linearity of obliquity sensor quickly.
The calibration system of the obliquity sensor that the utility model provides comprise the anglec of rotation of controller, drive unit, support body, turning axle, measurement turning axle shaft angle degree measurement mechanism, measure dish angle measurement unit and at least one calibrating plate of the anglec of rotation of calibrating plate; The output shaft of described drive unit links to each other with turning axle; Described turning axle rotatably is being installed on the support body, and described calibrating plate is installed on the turning axle; Obliquity sensor to be calibrated is installed on the calibration surface of described calibrating plate, and described calibration surface is vertical with the rotation of described turning axle; Described shaft angle degree measurement mechanism all links to each other with described controller with the dish angle measurement unit, and described controller links to each other with obliquity sensor to be calibrated with drive unit.
Optionally, the calibration system of described obliquity sensor comprises a plurality of calibrating plates, and the calibration surface of a plurality of calibrating plates is parallel to each other.
Optionally, described calibration system comprises a plurality of calibrating plates and a plurality of dish angle measurement unit, and described a plurality of calibrating plates and a plurality of dish angle measurement unit are corresponding one by one.
Optionally, described calibration system also comprises output unit, and described controller links to each other with described output unit.
Optionally, described dish angle measurement unit is circle grating angle detector, and described shaft angle degree measurement mechanism is a rotary encoder.
Optionally, described turning axle one end is installed on the support body by taper roll bearing, and the other end is installed on the support body by thrust bearing.
Optionally, described calibration system also comprises adjusts bearing, adjustment frame and four adjustment screw rods, it is vertical mutually that described adjustment frame is provided with four center lines, and all vertical adjustment screw with the rotation of turning axle, described four adjustment screw rods cooperate with four adjustment screws respectively, the outside surface of the outer ring of the inner of four described adjustment screw rods and described adjustment bearing is inconsistent, and the inner ring and the turning axle of described adjustment bearing are fixed.
Optionally, described drive unit is a stepper motor.
Optionally, be provided with speed reduction unit between the output shaft of described stepper motor and the turning axle.
Optionally, the mount pad that obliquity sensor a plurality of and to be calibrated matches is set on the calibration surface of described calibrating plate.
Compared with prior art, the calibration system of the obliquity sensor that provides of the utility model comprises controller, drive unit, support body, turning axle, shaft angle degree measurement mechanism, dish angle measurement unit and at least one calibrating plate.When calibrating, obliquity sensor to be calibrated can be installed on the calibration surface of calibrating plate, and make the reference axis of obliquity sensor to be calibrated parallel with calibration surface; Then, repeatedly rotate around the rotation of turning axle, arrive a plurality of different calibrating positions respectively by drive unit driven in rotation axle and calibrating plate; At each described calibrating position, obtain the anglec of rotation of turning axle or the anglec of rotation of calibrating plate, and make obliquity sensor to be calibrated receive the anglec of rotation of this calibrating position or/and the anglec of rotation makes obliquity sensor to be calibrated change its data according to the corresponding anglec of rotation and predetermined strategy again; By a plurality of calibrating positions, can calibrate a plurality of angle measurement of obliquity sensor, and then finish the calibration of the obliquity sensor linearity.Compared with prior art, this calibration system can improve the calibration efficiency of obliquity sensor significantly.In addition, the anglec of rotation according to turning axle can reduce calibration error or/and the anglec of rotation of calibrating plate is calibrated.The more important thing is: the self check that shaft angle degree measurement mechanism and dish angle measurement unit can also be realized calibration system is set, and promptly before calibrating, whether the check calibration system reaches predetermined precision.In the self check process, make drive unit driven in rotation axle and calibrating plate, arrive above-mentioned a plurality of calibrating position respectively, and obtain the anglec of rotation of turning axle of a plurality of described calibrating positions and the anglec of rotation of calibrating plate repeatedly around the rotation of the rotation of described turning axle; Judge according to the anglec of rotation of the turning axle of respective alignment position and the anglec of rotation of calibrating plate whether calibration system reaches predetermined precision, judgment mode can be to judge that whether the difference of the anglec of rotation of the anglec of rotation of turning axle and calibrating plate is less than predetermined value; If judged result can determine then that for being the precision of calibration system satisfies pre-provisioning request, if, can determine that then the precision of calibration system can not satisfy pre-provisioning request for not.Satisfying under the situation of pre-provisioning request, again obliquity sensor is calibrated.Have in calibration system under the situation of self-checking function, not only can improve the precision of calibration, can also in time adjust and safeguard processing according to self-detection result, guarantee the adaptability of calibration system, make calibration system can adapt to different operative scenario and condition of work calibration system.
In further technical scheme, calibration system comprises a plurality of calibrating plates, and the calibration surface of a plurality of calibrating plates is parallel to each other.Like this, each calibrating plate all can be installed obliquity sensor to be calibrated, and corresponding obliquity sensor is calibrated.Like this, utilize this calibration system to calibrate a plurality of obliquity sensors simultaneously, and then satisfy the needs that obliquity sensor is calibrated in batches and produced in batches.
In further technical scheme, calibration system comprises a plurality of calibrating plates and a plurality of dish angle measurement unit, and described a plurality of calibrating plates and a plurality of dish angle measurement unit are corresponding one by one.Like this, in calibration process, the obliquity sensor to be calibrated that is installed in each calibrating plate can be calibrated according to measuring the data that obtain with the corresponding dish angle measurement unit of respective alignment dish; In the self check process, obtain the anglec of rotation of respective alignment dish respectively with the corresponding dish angle measurement unit of each calibrating plate, like this, the anglec of rotation that can make turning axle compares with the anglec of rotation of a plurality of calibrating plates respectively, and then judges respectively whether each calibrating plate all satisfies check and correction precision needs.
In further technical scheme, described turning axle one end is installed on the support body by taper roll bearing, and the other end is installed on the support body by thrust bearing.Can improve the concentricity of turning axle rotation so on the one hand, can make things convenient for the adjustment of turning axle on the other hand, guarantee the calibration accuracy of calibration system.
In further technical scheme, the mount pad that obliquity sensor a plurality of and to be calibrated matches is set on the calibration surface of described calibrating plate.After obliquity sensor to be calibrated was installed, with respect to the rotary middle point and the predetermined datum line of calibration surface, the datum axis of each obliquity sensor to be calibrated had different calibration base angles.When on calibration surface, fixing a plurality of obliquity sensor to be calibrated, can make controller send different calibration data to corresponding obliquity sensor to be calibrated according to the calibration base angle of each obliquity sensor to be calibrated; Also can make each obliquity sensor to be calibrated according to corresponding spin data that receives and the calibration base angle of self, carry out different processing.Just can realize a plurality of obliquity sensors are calibrated by a calibrating plate like this, improve calibration efficiency.
Description of drawings
Fig. 1 is the structural principle synoptic diagram of the calibration system of the obliquity sensor that provides of the utility model embodiment;
Fig. 2 is the control principle synoptic diagram of the calibration system of the obliquity sensor that provides of the utility model embodiment;
Fig. 3 is among Fig. 1, calibrating plate calibration surface view.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection domain of the present utility model.
Please refer to Fig. 1 and Fig. 2, Fig. 1 and be the structural principle synoptic diagram of the calibration system of the obliquity sensor that the utility model embodiment provides; Fig. 2 is the control principle synoptic diagram of the calibration system of the obliquity sensor that provides of the utility model embodiment.
The calibration system that embodiment provides comprises controller 500, drive unit 300, support body 900, turning axle 800, shaft angle degree measurement mechanism 100, dish angle measurement unit 200 and 5 calibrating plates 700; Certainly, calibration system also comprises the power module 600 that electric energy is provided; Shaft angle degree measurement mechanism 100, dish angle measurement unit 200, drive unit 300, controller 500 and obliquity sensor to be calibrated 400 described later all link to each other with power module 600.
Shaft angle degree measurement mechanism 100 and dish angle measurement unit 200 can be selected suitable sensing detection device according to actual needs, and in this example, dish angle measurement unit 200 is circle grating angle detector, and shaft angle degree measurement mechanism 100 is a rotary encoder.
Shaft angle degree measurement mechanism 100 all links to each other with controller 500 with dish angle measurement unit 200, make controller 500 detect the angle-data that obtains with dish angle measurement unit 200 by receiving axes angle measurement unit 100, obtain the anglec of rotation of turning axle 800 and the anglec of rotation of calibrating plate 700.Simultaneously, controller 500 links to each other with drive unit 300, and links to each other with each sensor 400 to be calibrated simultaneously; Like this, controller 500 just can be by the rotatablely moving of drive unit 300 control turning axles 800 and calibrating plate 700, and send data according to the shaft angle degree measurement mechanism 100 of respective alignment position and at least one and predetermined policy in the dish angle measurement unit 200 to obliquity sensor to be calibrated.
The principle of work of the calibration system that the utility model embodiment provides is below described, should be noted that: the course of work of calibration system itself also is the calibration steps of a kind of obliquity sensor of providing of the utility model, therefore, when the principle of work of the calibration system that the utility model embodiment is provided and the course of work were described, the calibration steps of the obliquity sensor that the utility model is provided was described.
Before the process of starting working, first set angle check point, such as can evenly set 360 angular detection points in 360 degree scopes, promptly every rotation 1 degree is an angular detection point.The set angle check point can be set by controller 500.After the set angle check point, the process of starting working.
The calibration system course of work comprises two self check processes and calibration process.
The self check process is the process whether precision of detection calibration system itself satisfies pre-provisioning request; The self check process comprises the self check step:
Make turning axle 800 and calibrating plate more than 700 time around a horizontal rotational shaft, be controller 500 accessory drives 300, drive unit 300 driven in rotation axles 800 rotate 1 degree around the rotation rotation of turning axle 800 at every turn, and make calibrating plate 700 arrive predetermined calibrating position respectively; Calibrating plate 700 just can arrive 360 calibrating positions successively like this.At each calibrating position, shaft angle degree measurement mechanism 100 obtains the anglec of rotation of turning axle 800, and dish angle measurement unit 200 obtains the anglec of rotation of calibrating plate 700.Controller 500 is after the anglec of rotation of the anglec of rotation of the turning axle 800 that obtains each calibrating position and calibrating plate 700, whether the difference of the anglec of rotation of judging the anglec of rotation of corresponding turning axle 800 and calibrating plate 700 is less than predetermined value, and the size of predetermined value can be determined according to actual needs; If judged result illustrates then that for not the precision of calibration system own is lower, can not satisfy the calibration needs.Reason may be that the rotation right alignment of the rotation of calibrating plate 700 and turning axle 800 is undesirable, also can be that the rotation linearity of turning axle 800 is undesirable, also may be that turning axle 800 rotation jerk values are excessive, or the like; At this moment, need adjust and safeguard calibration system.If judged result is for being to illustrate that then the precision of calibration system own can satisfy alignment requirements, can calibrate, and then enter next step.
In the self check process, the deterministic process of controller 500 can judge after the anglec of rotation of the anglec of rotation of the turning axle 800 that obtains a calibrating position and calibrating plate 700, also can judge after the anglec of rotation of the anglec of rotation of the turning axle 800 that obtains all calibrating positions and calibrating plate 700.Whether the concrete mode of its judgement can determine according to actual needs, can judge greater than predetermined value according to the difference of the anglec of rotation of the anglec of rotation of the turning axle 800 of any calibrating position and calibrating plate 700; Also can be according in all calibrating positions, the difference of the anglec of rotation of the anglec of rotation of turning axle 800 and calibrating plate 700 promptly meets the calibrating position quantity of pre-provisioning request and the ratio of all calibrating position quantity and determines greater than the ratio of predetermined value; Can also be different to obliquity sensor linearity influence according to calibrating position, determine the weighted number of difference of the anglec of rotation of the anglec of rotation of each calibrating position turning axle 800 and calibrating plate 700, judge according to the data after the weighting again, or the like.
Calibration system can also be provided with suitable output unit, and output unit is linked to each other with controller 500.Like this, in the self check process, judged result can be by controller 500 output prearranged signals for not the time; Prearranged signal can be to recruit alert signal, can also export different signals according to the size of difference between the anglec of rotation of the anglec of rotation of turning axle 800 and calibrating plate 700, so that operating personnel are according to the big or small ranks of the different definite errors of signal, or the like.
For convenience of adjustment to calibration system, calibration system can also be provided with adjusting mechanism, adjusting mechanism can comprise adjusts bearing, adjustment frame and four adjustment screw rods, adjustment frame and support 900 are fixing, and are provided with vertical mutually and all vertical with the rotation of the turning axle adjustment screw of four center lines; Adjust screw rod for four and cooperate with four adjustment screws respectively, the outside surface of the inner of four adjustment screw rods and the outer ring of described adjustment bearing is inconsistent, and inner ring and the turning axle 800 of adjusting bearing are fixing.According to the difference of the anglec of rotation of the anglec of rotation of each calibrating position turning axle 800 and calibrating plate 700, can judge the deformation direction of turning axle 800, by adjusting suitable adjustment screw rod, can realize compensation to turning axle 800 distortion.
When the self check process is determined to satisfy alignment requirements, enter calibration process; Calibration process comprises installation steps and calibration steps.
Installation steps are: obliquity sensor 400 to be calibrated is fixed on the calibration surface of calibrating plate 700, and makes the reference axis of obliquity sensor 400 to be calibrated parallel with calibration surface.For the ease of fixing of obliquity sensor 400 to be calibrated, the mount pad that matches with obliquity sensor 400 to be calibrated can be set on the calibration surface of calibrating plate 700, with fixing of convenient obliquity sensor 400 to be calibrated, and help guaranteeing the fixed precision of obliquity sensor 400 to be calibrated.
Calibration steps is: by drive unit 300, make more than 700 the rotation rotation around turning axle 800 of turning axle 800 and calibrating plate, rotate 1 degree at every turn, and arrive predetermined calibrating position respectively.At each calibrating position, shaft angle degree measurement mechanism 100 obtains the anglec of rotation of turning axle, and dish angle measurement unit 200 obtains the anglec of rotation of calibrating plate.At each calibrating position, controller 500 receives the anglec of rotation of each calibrating position calibrating plate 700, and the anglec of rotation of the calibrating plate 700 received sent to obliquity sensor 400 to be calibrated, after the anglec of rotation of the calibrating plate 700 of obliquity sensor 400 these calibrating positions of reception to be calibrated, the anglec of rotation according to calibrating plate 700 changes its data, finishes the calibration of this calibrating position.Turning axle 800 and calibrating plate 700 arrives successively and logical 360 calibrating positions after, just finished the calibration of its 360 positions.In calibration process, the rotation of turning axle 800 keeps level, and it is vertical with rotation that the calibration surface of calibrating plate 700 keeps; According to foregoing description, can determine, in calibration process,, obliquity sensor 400 to be calibrated just can realize the purpose of this utility model as long as keeping vertical with the turning axle of turning axle 800.
Be appreciated that obliquity sensor 400 to be calibrated is not limited to change its data according to the anglec of rotation of the calibrating plate 700 of respective alignment position, also can finish the calibration of this calibrating position according to the anglec of rotation of the turning axle 800 of respective alignment position; Can also carry out respective handling to the anglec of rotation of respective alignment position turning axle 800 and the anglec of rotation of calibrating plate 700, such as, the anglec of rotation of correction obtained after getting its intermediate value or ask its average variance by controller 500; Make obliquity sensor 400 to be calibrated change its data again according to the anglec of rotation of revising.
Compared with prior art, this calibration system can improve the calibration efficiency of obliquity sensor significantly.Owing to have shaft angle degree measurement mechanism 100 and dish angle measurement unit 200, calibration system can be carried out self check, this not only can improve the precision of calibration, can also in time handle according to self-detection result calibration system, make calibration system can adapt to different operative scenario and condition of work, guarantee the adaptability of calibration system.Be appreciated that its self check process is not limited to carry out, and also can carry out before calibration steps before installation steps; Can satisfy pre-provisioning request in definite calibration system, or accuracy requirement also can directly be carried out calibration process when not high.
In order further to improve the automatism of calibration system, reduce calibration error simultaneously, in the self check process, controller 500 judged results are for denying, illustrate that the precision of calibration system own is lower, in the time of can not satisfying the calibration needs, controller 500 is handled automatically, such as, can revise the anglec of rotation of this calibrating position according to the anglec of rotation of the turning axle 800 of this calibrating position, the anglec of rotation and the predetermined policy of calibrating plate 700 by controller 500, obtain to revise the anglec of rotation, the calibration steps that carries out installation steps and correction again.In the calibration steps of revising, will revise the anglec of rotation again and send to obliquity sensor 400 to be calibrated, and make obliquity sensor 400 to be calibrated change its data according to the correction anglec of rotation of this calibrating position, finish the calibration of this calibrating position.Predetermined policy can be to determine that according to the design feature of calibration system suitable formula or empirical data obtain to revise the anglec of rotation, or the like.Can further improve the calibration efficiency of obliquity sensor like this.
According to foregoing description, be appreciated that when calibration system has a plurality of calibrating plate 700, a plurality of dish angle measurement units 200 can be set, and make a plurality of dish angle measurement units 200 corresponding with a calibrating plate 700 respectively, to measure the anglec of rotation of a calibrating plate 700 respectively.
Please refer to Fig. 3, this figure is among Fig. 1, calibrating plate calibration surface view.As shown in the figure, can fix a plurality of obliquity sensors to be calibrated 400 on the calibration surface of calibrating plate 700.After obliquity sensor 400 to be calibrated was installed, with respect to the rotary middle point and the predetermined datum line of calibration surface, the datum axis of each obliquity sensor 400 to be calibrated had different calibration base angles.When on calibration surface, fixing a plurality of obliquity sensor 400 to be calibrated, can make controller 500 send different calibration data to corresponding obliquity sensor to be calibrated according to the calibration base angle of each obliquity sensor 400 to be calibrated; Also can make each obliquity sensor 400 to be calibrated according to corresponding spin data that receives and the calibration base angle of self, carry out different processing.Just can realize a plurality of obliquity sensors are calibrated by a calibrating plate like this, improve calibration efficiency.The mount pad that matches.Obliquity sensor 400 to be calibrated is installed is for convenience installed, a plurality of mount pads can be set on calibration surface.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the calibration system of an obliquity sensor, it is characterized in that, comprise dish angle measurement unit (200) and at least one calibrating plate (700) of the anglec of rotation of controller (500), drive unit (300), support body (900), turning axle (800), the shaft angle degree measurement mechanism (100) of measuring the anglec of rotation of turning axle (800), measurement calibrating plate;
The output shaft of described drive unit (300) links to each other with turning axle (800); Described turning axle (800) rotatably is being installed on the support body (900), and described calibrating plate (700) is installed on the turning axle (800); Obliquity sensor to be calibrated (400) is installed on the calibration surface of described calibrating plate (700), and described calibration surface is vertical with the rotation of described turning axle (800); Described shaft angle degree measurement mechanism (100) all links to each other with described controller (500) with dish angle measurement unit (200), and described controller (500) links to each other with obliquity sensor to be calibrated (400) with drive unit (300).
2. the calibration system of obliquity sensor according to claim 1 is characterized in that, comprises a plurality of calibrating plates (700), and the calibration surface of a plurality of calibrating plates (700) is parallel to each other.
3. the calibration system of obliquity sensor according to claim 1 is characterized in that, comprises a plurality of calibrating plates (700) and a plurality of dish angle measurement unit (200), and described a plurality of calibrating plates (700) and a plurality of dish angle measurement unit (200) are corresponding one by one.
4. the calibration system of obliquity sensor according to claim 1 is characterized in that, also comprises output unit, and described controller (500) links to each other with described output unit.
5. according to the calibration system of each described obliquity sensor of claim 1-4, it is characterized in that described dish angle measurement unit (200) is circle grating angle detector, described shaft angle degree measurement mechanism (100) is a rotary encoder.
6. according to the calibration system of each described obliquity sensor of claim 1-4, it is characterized in that described turning axle (800) one ends are installed on the support body (900) by taper roll bearing, the other end is installed on the support body (900) by thrust bearing.
7. the calibration system of obliquity sensor according to claim 6, it is characterized in that, also comprise and adjust bearing, adjustment frame and four adjustment screw rods, it is vertical mutually that described adjustment frame is provided with four center lines, and all vertical adjustment screw with the rotation of turning axle, described four adjustment screw rods cooperate with four adjustment screws respectively, and the outside surface of the outer ring of the inner of four described adjustment screw rods and described adjustment bearing is inconsistent, and the inner ring and the turning axle of described adjustment bearing are fixed.
8. according to the calibration system of each described a kind of obliquity sensor of claim 1-4, it is characterized in that described drive unit (300) is a stepper motor.
9. the calibration system of a kind of obliquity sensor according to claim 8 is characterized in that, is provided with speed reduction unit between the output shaft of described stepper motor (300) and the turning axle (800).
10. according to the calibration system of each described a kind of obliquity sensor of claim 1-4, it is characterized in that, the mount pad that obliquity sensor a plurality of and to be calibrated (400) matches is set on the calibration surface of described calibrating plate (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206850948U CN201945301U (en) | 2010-12-28 | 2010-12-28 | Calibration system of inclination angle sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206850948U CN201945301U (en) | 2010-12-28 | 2010-12-28 | Calibration system of inclination angle sensor |
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| CN201945301U true CN201945301U (en) | 2011-08-24 |
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| CN2010206850948U Expired - Fee Related CN201945301U (en) | 2010-12-28 | 2010-12-28 | Calibration system of inclination angle sensor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102886823A (en) * | 2012-09-11 | 2013-01-23 | 三一重工股份有限公司 | Transit mixer truck and control method thereof |
| CN103162712A (en) * | 2013-03-21 | 2013-06-19 | 中国人民解放军63908部队 | Method for treating errors of angle measurement of circular grating and compensating skew of shafting |
| CN103557830A (en) * | 2013-10-30 | 2014-02-05 | 北京理工大学 | Angle measuring plate card compatible with various sensors |
| CN110940534A (en) * | 2019-12-26 | 2020-03-31 | 中信戴卡股份有限公司 | Tester inclination calibrating device |
| 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 |
| CN113091687A (en) * | 2021-05-12 | 2021-07-09 | 雷沃工程机械集团有限公司 | Dynamic performance test rack for tilt sensor |
-
2010
- 2010-12-28 CN CN2010206850948U patent/CN201945301U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102886823A (en) * | 2012-09-11 | 2013-01-23 | 三一重工股份有限公司 | Transit mixer truck and control method thereof |
| CN102886823B (en) * | 2012-09-11 | 2014-09-10 | 三一汽车制造有限公司 | Transit mixer truck and control method thereof |
| CN103162712A (en) * | 2013-03-21 | 2013-06-19 | 中国人民解放军63908部队 | Method for treating errors of angle measurement of circular grating and compensating skew of shafting |
| CN103557830A (en) * | 2013-10-30 | 2014-02-05 | 北京理工大学 | Angle measuring plate card compatible with various sensors |
| CN110940534A (en) * | 2019-12-26 | 2020-03-31 | 中信戴卡股份有限公司 | Tester inclination calibrating device |
| 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 |
| CN113091687A (en) * | 2021-05-12 | 2021-07-09 | 雷沃工程机械集团有限公司 | Dynamic performance test rack for tilt sensor |
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