CN110260887B - Attitude sensing system calibration device - Google Patents
Attitude sensing system calibration device Download PDFInfo
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- CN110260887B CN110260887B CN201910375086.9A CN201910375086A CN110260887B CN 110260887 B CN110260887 B CN 110260887B CN 201910375086 A CN201910375086 A CN 201910375086A CN 110260887 B CN110260887 B CN 110260887B
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- 238000012795 verification Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
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- 238000006073 displacement reaction Methods 0.000 description 2
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- 238000012423 maintenance Methods 0.000 description 2
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- 239000010963 304 stainless steel Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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Abstract
The invention relates to a calibration device of an attitude sensing system. The attitude sensing system calibration device comprises a power mechanism, the power mechanism is provided with a rotating output shaft for outputting rotating motion, a mounting structure for fixedly mounting an attitude sensor is arranged on the rotating output shaft, the calibration device further comprises a fixed dial, calibration angle scales are arranged on the fixed dial in a surrounding mode around the circumference, the circle center of a circle where the calibration angle scales are located is located on the axis of the rotating output shaft, and an indicating structure for indicating corresponding scale values on the calibration angle scales when the mounting structure rotates to a certain position along with the rotating output shaft is arranged on the mounting structure. The attitude sensor rotates along with the mounting structure, the corner numerical value read out from the fixed dial, namely the actual rotating angle of the attitude sensor, is compared with the result obtained by the receiving device of the attitude sensing system, and the accurate operating state of the attitude sensor and the logical judgment result of the signal receiving device can be quickly and accurately verified.
Description
Technical Field
The invention relates to a calibration device of an attitude sensing system.
Background
Switchgear, in particular high-voltage switchgear, plays a very important role in the field of power transmission. The high-voltage switch has the advantages that the action speed of the switch contact is high, the impulse of the contact is high, once the accuracy of the opening and closing positions cannot meet the requirement, the incomplete closing or excessive closing is easy to occur when the contact performs the opening and closing action, the conduction of current can be influenced when the incomplete closing is caused, and the static contact can be damaged when the excessive closing is caused, so that the accuracy requirement on the opening and closing positions of the switch contact is high in the design, assembly and maintenance of the switch device. Generally, the opening and closing state of a high-voltage switch device is judged through the rotation angle of a rotating shaft, in the prior art, the rotation angle of the rotating shaft is detected through an attitude sensing system, the attitude sensing system comprises an attitude sensor fixed on the rotating shaft and a signal receiving device in communication connection with the attitude sensor, the attitude sensor rotates for a certain angle along with the rotating shaft, the signal receiving device receives an electric signal transmitted by the attitude sensor, and the signal receiving device processes the received electric signal and then outputs four logic judgment results, namely opening in place of a high-voltage isolating switch, abnormal opening of the high-voltage isolating switch, closing in place of the high-voltage isolating switch and abnormal closing of the high-voltage isolating switch through logic judgment. Therefore, the logic judgment result of the attitude sensing system directly determines the judgment of the opening and closing state of the switch contact. However, there is no device in the prior art that can quickly and conveniently calibrate the operation state of the attitude sensor and the logical judgment result of the signal receiving device.
Disclosure of Invention
The invention aims to provide an attitude sensing system calibration device which can quickly and conveniently calibrate an attitude sensing system.
In order to achieve the purpose, the technical scheme of the attitude sensing system calibration device provided by the invention is as follows: the calibration device for the attitude sensing system comprises a power mechanism, wherein the power mechanism is provided with a rotating output shaft for outputting rotating motion, a mounting structure for fixedly mounting an attitude sensor is arranged on the rotating output shaft, the calibration device further comprises a fixed dial, calibration angle scales are arranged on the fixed dial in a surrounding mode around the circumference, the circle center of a circle where the calibration angle scales are located is located on the axis of the rotating output shaft, and an indicating structure for indicating corresponding scale values on the calibration angle scales when the mounting structure rotates to a certain position along with the rotating output shaft is arranged on the mounting structure.
The posture sensing system calibration device has the beneficial effects that: the attitude sensor is fixed on the mounting structure and rotates along with the mounting structure, the corner value read out from the fixed dial, namely the actual rotating angle of the attitude sensor, is compared with the logical judgment result obtained by the signal receiving device according to the signal of the attitude sensor, and the running state of the attitude sensor and the logical judgment result of the signal receiving device can be quickly and accurately verified to be accurate.
The mounting structure comprises a rotating disc fixedly connected with the rotating output shaft, and the rotating disc and the rotating output shaft are coaxially arranged. The rotary dial has the advantages that the rotary dial is concentric with the calibration angle scales on the fixed dial, so that the indicating device can be aligned to the calibration angle scales conveniently, reading is facilitated, and in addition, the attitude sensor is also conveniently and fixedly connected.
The rotating disc is provided with rotating scales around the axis of the rotating output shaft, and the indicating structure comprises scale marks of the rotating scales. The novel rotating disc has the advantages that when the rotating disc and the fixed dial are in the initial positions, the same scales on the two discs are corresponding, after the rotating disc rotates for a certain angle, the difference value of the two scales corresponding to any two positions on the two discs is directly read, and the rotating angle of the rotating disc can be obtained, so that the novel rotating disc is convenient and fast.
The rotating disc and the fixed dial are arranged at intervals in the axial direction, the indicating structure comprises a laser emitter which is arranged on the rotating disc and emits light to calibrate angle scales, and light beams emitted by the laser emitter are perpendicular to the disc surface of the rotating disc. The calibration angle scale has the advantages that by observing the calibration angle scale corresponding to the light beam emitted by the laser emitter, errors caused by visual observation when the rotating disc and the fixed dial are spaced can be avoided, and the actual rotating angle of the attitude sensor can be accurately obtained.
The rotating disc and the fixed dial are arranged at intervals in the axial direction, and a connecting hole for fixedly connecting the attitude sensor is formed in the rotating disc. The rotary disc has the advantages that the space for fixedly connecting the attitude sensor is provided at the lower part of the rotary disc, so that a connecting piece for fixedly connecting the attitude sensor can conveniently extend into the space.
More than two mounting positions for fixedly mounting the attitude sensor are arranged on the rotating disc. The method has the advantages that the method can simultaneously verify a plurality of attitude sensing systems, and judge the synchronism among the attitude sensing systems which are detected together while verifying the detection accuracy of the plurality of attitude sensing systems.
The power mechanism comprises a box body, a motor and a control loop are installed in the box body, and an output shaft of the motor forms the rotating output shaft and extends out of the box body. The motor-driven box has the beneficial effects that the box body can protect the motor and the control loop.
The outer side of the box body is provided with a control button connected with the control loop, and the control button comprises a switching-off button used for controlling the output switching-off action of the rotating output shaft, a switching-on button used for controlling the output switching-on action of the rotating output shaft and a speed regulating button used for controlling the rotating acceleration of the rotating output shaft. The high-voltage switch has the advantages that the control button can control the rotating output shaft to respectively simulate opening rotation and closing rotation, direct detection and verification can be conveniently carried out on the opening and closing process, and the speed regulating button is used for simulating high-voltage switch mechanisms under different operating speed working conditions. The control button is arranged on the outer side surface of the box body, so that the control button can be pressed conveniently, the calibration of the posture sensing system cannot be influenced, and the operation is simple.
The fixed dial is formed by the box wall of the box body. The multifunctional box has the advantages that a fixed dial is not required to be additionally arranged above the box body, and the multifunctional box is convenient to process.
Drawings
FIG. 1 is a front view of an embodiment of an attitude sensing system calibration apparatus of the present invention;
fig. 2 is a top view of an embodiment of the attitude sensing system calibration apparatus of the present invention.
In the figure: 1. laser emitter, 2, rolling disc, 3, motor output shaft, 4, box, 41, roof, 42, lateral wall, 5, installation position, 6, speed governing button, 7, fixed calibrated scale, 8, rotation scale, 9, bolt fastening hole, 10, ribbon through hole, 11, separating brake button, 12, stop button, 13, closing button.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The specific embodiment of the attitude sensing system calibration device of the invention is shown in fig. 1 and fig. 2, and comprises a box body 4, a motor, a secondary control circuit and a gear transmission part which are arranged inside the box body 4, wherein a rotating disc 2 for fixedly mounting an attitude sensor is arranged on a motor output shaft 3, a bolt fixing hole 9 and a ribbon through hole 10 are arranged on the rotating disc 2, a fixed dial 7 is arranged on the top wall 41 of the box body 4, calibration angle scales are arranged on the fixed dial 7 around the circumference, a rotating scale 8 and a laser emitter 1 emitting to the calibration angle scales are arranged on the rotating disc 2, and the rotating scale 8 and the laser emitter 1 indicate the corresponding scale value on the calibration angle scales when rotating to a certain position along with the motor output shaft 3. Buttons for controlling the motor are provided on the side wall 42 of the cabinet 4. The attitude sensor is fixed on the rotating disc 2 and rotates along with the rotating disc 2, the angle value read out from the fixed dial 7, namely the actual rotating angle of the attitude sensor, is compared with the result obtained by the logic judgment of the signal receiving device, and the accurate operating state of the attitude sensor and the logic judgment result of the signal receiving device can be calibrated quickly and accurately.
In this embodiment, in order to facilitate the fixing of the attitude sensor, it is also convenient for the indicating device to align with the calibration angle scale, and it is convenient for the reading, a rotating disc 2 is fixed on the motor output shaft 3, and the attitude sensor is fixed on the rotating disc 2, and certainly in other embodiments, the rotating disc may not be provided, and the attitude sensor is fixed on the motor output shaft, and the motor output shaft is provided with a pointer parallel to the fixed dial, and the pointer is used for indicating the corresponding scale value on the calibration angle scale.
In this embodiment, in order to protect the motor, the secondary control circuit, and the gear transmission member, the motor, the secondary control circuit, and the gear transmission member are disposed in the case 4, and the case 4 and the rotating disk 2 are made of 304 stainless steel T =1.5, and sharp edges and oil stains are removed. The technological requirements include laser, deburring, shape correction, bending, wire drawing and the like. Of course, in other embodiments, the case may not be provided, and the motor, the secondary control circuit, and the gear transmission member may be disposed exposed.
In the embodiment, the reliability and the firmness of different installation modes of the substation field attitude sensor are simulated. Be equipped with bolt fastening hole 9 and ribbon through hole 10 on rolling disc 2, attitude sensor can fix on rolling disc 2 through two kinds of different fixed modes of bolt or ribbon when attitude sensing system checks, in order to provide the space that bolt or ribbon that are used for fixed connection attitude sensor pass in the lower part of rolling disc, rolling disc 2 sets up with fixed calibrated scale 7 at the axial direction interval, of course in other embodiments, fixed calibrated scale sets up on the roof, the sunken setting of the inside circular structure of calibration scale angle, the circular structure of sunken setting is used for holding the rolling disc, rolling disc and fixed calibrated scale set up in the coplanar. The attitude sensor is provided with a clamping groove, the rotating disc is provided with a plug connector matched with the clamping groove of the attitude sensor, and the attitude sensor is fixed on the rotating disc in a clamping and stopping matching mode.
In this embodiment, in order to check the detection accuracy of the posture sensing system and determine the synchronism between the posture sensing systems detected together, four mounting positions 5 are provided on the rotating disc 2, and the detection efficiency can be improved by detecting the four posture sensing systems simultaneously. Of course, in other embodiments, one to three mounting positions may be provided, but only one mounting position is provided, so that the synchronism among the attitude sensing systems cannot be detected, and preferably, the three mounting positions are three, because a group of three and more attitude sensing systems are generally required in the three-phase high-voltage switch.
In this embodiment, set up laser emitter 1 and rotation scale 8 simultaneously on the rolling disc 2, the quotation of the light beam perpendicular to rolling disc 2 that laser emitter 1 sent, through the calibration angle scale that the light beam that observes laser emitter 1 and jet out corresponds, when can avoiding rolling disc 2 and fixed calibrated scale 7 to have the interval, the error that the visual observation brought, accurately reachs the actual pivoted angle of attitude sensor. Of course, in other embodiments, only one of the laser transmitter and the rotary scale may be provided. However, in the case of a large distance between the fixed scale and the rotary disk, there is a large error by observing the contrast between the rotary scale and the calibration angle scale.
Of course, in other embodiments, the laser emitter 1 and the rotary scale 8 may not be provided, and other structures may be used to indicate the corresponding scale values on the calibration angle scale. For example, a pointer is provided on the rotary disc parallel to and extending from the rotary disc, the pointer being used to indicate the corresponding scale value on the calibration angle scale.
In this embodiment, the fixed scale 7 is provided on the top wall 41 of the case 4 for the convenience of processing the fixed scale 7, but in other embodiments, the fixed scale may be provided separately above the case.
The side wall 42 of the box body 4 is provided with an opening button 11, a stopping button 12, a closing button 13 and a speed regulating button 6 which are connected with a secondary control circuit. Pressing the opening button 11 makes the motor output shaft 3 rotate the opening angle, pressing the stop button 12 makes the motor output shaft 3 stop rotating immediately. The motor adopts a small-sized stepping motor, the stepping motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, the stepping motor can drive the rotating disc 2 to realize speed regulation of 0 m/s-1 m/s, and the speed regulating button 6 is used for regulating the rotating acceleration of the motor output shaft 3, so that the attitude sensor generates different angular accelerations to simulate high-voltage switch mechanisms under different operating speed working conditions.
In this embodiment, in order to facilitate the pressing of the opening button 11, the stop button 12, the closing button 13, and the throttle button 6, the calibration of the attitude sensing system is not affected. The opening button 11, the stop button 12, the closing button 13 and the speed regulating button 6 are arranged on the side wall 42 of the box 4, but in other embodiments, the opening button, the stop button, the closing button and the speed regulating button may be arranged on the top wall for extending the output shaft of the motor.
The attitude sensing system calibration device of the embodiment provides engineering application of the attitude sensor in the power grid for driving protection and navigation, promotes the development of a one-key sequential control operation technology, improves the operation and maintenance efficiency of the substation equipment, and improves the safety level of the power grid.
Claims (3)
1. An attitude sensing system calibration device, characterized in that: the calibration device comprises a power mechanism, wherein the power mechanism is provided with a rotating output shaft for outputting rotating action, the power mechanism comprises a box body, a motor and a control loop are arranged in the box body, the output shaft of the motor forms the rotating output shaft and extends out of the box body, a mounting structure for fixedly mounting an attitude sensor is arranged on the rotating output shaft, the calibration device also comprises a fixed dial, the fixed dial is formed by the box wall of the box body, calibration angle scales are arranged on the fixed dial in a surrounding manner, the circle center of a circle where the calibration angle scales are located is located on the axis of the rotating output shaft, an indicating structure for indicating corresponding scale values on the calibration angle scales when the mounting structure rotates to a certain position along with the rotating output shaft is arranged on the mounting structure, the mounting structure comprises a rotating disc fixedly connected with the rotating output shaft, the rotating disc and the rotating output shaft are coaxially arranged, the indicating structure comprises scale marks of rotating scales, the rotating disc and the fixed dial are arranged at intervals in the axial direction, the indicating structure comprises a laser emitter which is arranged on the rotating disc and emits light beams to be perpendicular to the disc surface of the rotating disc, a control button connected with a control loop is arranged on the outer side surface of the box body, and the control button comprises a brake separating button used for controlling the output brake separating action of the rotating output shaft, a brake closing button used for controlling the output brake closing action of the rotating output shaft and a speed regulating button used for controlling the rotating acceleration of the rotating output shaft.
2. The attitude sensing system verification device according to claim 1, wherein: the rotating disc and the fixed dial are arranged at intervals in the axial direction, and a connecting hole for fixedly connecting the attitude sensor is formed in the rotating disc.
3. The attitude sensing system verification device according to claim 1, wherein: more than two mounting positions for fixedly mounting the attitude sensor are arranged on the rotating disc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375086.9A CN110260887B (en) | 2019-05-07 | 2019-05-07 | Attitude sensing system calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375086.9A CN110260887B (en) | 2019-05-07 | 2019-05-07 | Attitude sensing system calibration device |
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| CN110260887A CN110260887A (en) | 2019-09-20 |
| CN110260887B true CN110260887B (en) | 2021-05-14 |
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| CN110887979A (en) * | 2019-12-06 | 2020-03-17 | 华东师范大学 | Calibration device for Acoustic Doppler Current Profiler (ADCP) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632467A (en) * | 2004-12-22 | 2005-06-29 | 中国科学院合肥智能机械研究所 | Inclinometer calibration system and calibration method thereof |
| CN101514906A (en) * | 2009-04-07 | 2009-08-26 | 中国科学院长春光学精密机械与物理研究所 | Detecting method for measurement accuracy of angle measuring apparatus |
| CN106546268A (en) * | 2016-10-28 | 2017-03-29 | 努比亚技术有限公司 | Intelligent terminal's compass automatic test approach, device, equipment and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2325612B1 (en) * | 2009-11-13 | 2016-01-27 | SICK Sensors Ltd. | Method for calibrating a rotational angle sensor by means of a laser gyroscope |
| CN203631440U (en) * | 2014-01-08 | 2014-06-04 | 孙凯祺 | Breaker isolation switch on-off prompt device |
| CN104567925B (en) * | 2014-12-18 | 2017-11-28 | 北京世纪东方国铁科技股份有限公司 | The calibration equipment and method of calibration of a kind of obliquity sensor |
| CN106525396B (en) * | 2016-10-20 | 2018-12-25 | 国网上海市电力公司 | A kind of disconnecting switch mechanical load self-operated measuring unit and its detection method |
| CN208284398U (en) * | 2018-06-04 | 2018-12-25 | 广东电网有限责任公司 | A kind of divide-shut brake location calibration device, open isolating switch and system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632467A (en) * | 2004-12-22 | 2005-06-29 | 中国科学院合肥智能机械研究所 | Inclinometer calibration system and calibration method thereof |
| CN101514906A (en) * | 2009-04-07 | 2009-08-26 | 中国科学院长春光学精密机械与物理研究所 | Detecting method for measurement accuracy of angle measuring apparatus |
| CN106546268A (en) * | 2016-10-28 | 2017-03-29 | 努比亚技术有限公司 | Intelligent terminal's compass automatic test approach, device, equipment and system |
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