CN101938030A - Zero calibration method for adjusting device for antenna panel - Google Patents
Zero calibration method for adjusting device for antenna panel Download PDFInfo
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- CN101938030A CN101938030A CN2010102264434A CN201010226443A CN101938030A CN 101938030 A CN101938030 A CN 101938030A CN 2010102264434 A CN2010102264434 A CN 2010102264434A CN 201010226443 A CN201010226443 A CN 201010226443A CN 101938030 A CN101938030 A CN 101938030A
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Abstract
The invention relates to a zero calibration method for an adjusting device for an antenna panel, which can solve the technical problem of low adjustment precision of the adjusting device caused by improper zero calibration way, and the adopted technical scheme is as follows: the zero calibration method is realized during the process of using the adjusting device to adjust the position of the antenna panel, the adjustment process can drive a lifting mechanism with the help of a stepping motor and a power transmission mechanism arranged on a main framework, a controller and matching software procedure, a support frame of the antenna panel arranged on the lifting mechanism can realize position adjustment of the lifting with the help of the lifting mechanism, a grating ruler with a grating groove, a first groove type optocoupler, a code wheel with the grating groove and a second groove type optocoupler are further arranged in the adjusting device, wherein the grating ruler and the first groove type optocoupler are arranged on the support frame, and the code wheel and the second groove type optocoupler are coaxial with a rotating shaft of the stepping motor, and initial zero adjustment and precise zero adjustment are carried out under the conditions. The key of the zero calibration method is that a zero adjustment mechanism is increased in the adjusting device, thereby achieving the purpose of precisely adjusting zero position and improving the adjustment precision of the adjusting device.
Description
Technical field
The present invention relates to school zero method of the adjusting device that a kind of aerial panel uses, belong to the adjustment technology field, particularly a kind of school zero method that realizes automatic zero adjustment by adjustment process.
Background technology
Antenna is mainly used in effectively orienting reflex and accepts electromagnetic wave, is the part of electronic equipments such as radar, communication.Surface antenna is a kind of main type of antenna, comprises various parabolic antennas, fan-beam antenna, dual reflector antenna, spherical antenna etc., generally partly is made up of antenna reflective face, back of the body frame, centerbody, radiator etc.
In the large-scale high-precision antenna System Design, the surface accuracy of antenna reflective face is one of basic mechanical design feature index of antenna, and it directly affects electric properties such as antenna gain.Along with the raising of the increase operating frequency of antenna aperture, also more and more higher to the antenna reflective face required precision.Because the large aperture antenna reflecting surface is assembled by tens even a hundreds of reflecting surface, for obtaining reflecting surface surface accuracy preferably, just must rationally adjust each piece panel, be that the shape and the design object reflecting surface of each panel composition reflecting surface matches, to satisfy the requirement of electric index.Therefore the measurement of aerial panel and installation adjustment level are one of principal elements that influences the precision of the antenna reflector surface.
Be subjected to factor affecting such as gravity, temperature, elevation angle variation when the large aperture antenna panel, will produce error between actual curved surface that each aerial panel is formed and the ideal surface.In order to compensate these errors, improve the observed efficiency of antenna at high band, need adjust primary reflection surface.Because school zero mode is imappropriate, all there is deficiency in the present adjusting device of using in heavy caliber high band radio telescope panel active Adjustment System on application performance:
1) open loop increment control, the school zero: when stepping motor is interfered step-out, be easy to generate the accumulation of error, have a strong impact on aerial panel and adjust precision.
2) rely on mechanical position limitation mode suppressed zero: cause the damage of hardware device easily, and real-time is poor.
3) simple zero passage detection mode: low precision, and can not accurately revise, be not suitable for the High Accuracy Control that aerial panel is adjusted.
The zero correction mode of above adjusting device has caused adjusting device to adjust that precision is not high, the technical problem of real-time difference, brings inconvenience for the work of this area, is further improved.
Summary of the invention
The present invention is for solving owing to the school zero imappropriate not high technical problem of adjustment precision that causes adjusting device of mode, designed school zero method of the adjusting device that a kind of aerial panel uses, by in adjusting device, setting up null setting, make adjusting device when each the use, all carry out zero correction, guaranteed the adjustment precision.
The present invention for realizing the technical scheme that goal of the invention adopts is, the school of the adjusting device that a kind of aerial panel is used zero method, with colonel's zero method is to realize in the adjustment process of adjusting device to the aerial panel position, said adjustment process is by the stepping motor and the power drive mechanism that are arranged on the main frame, controller and software kit driven by program elevating mechanism, the bracing frame that is arranged on the aerial panel on the elevating mechanism is realized the lifting positioning by elevating mechanism, in adjusting device, also comprise the grating chi that has the grating groove and the first grooved optocoupler that are arranged on the bracing frame, the code-disc that have grating groove and the second grooved optocoupler coaxial with the rotating shaft of stepping motor, carry out following steps with this understanding:
A, startup zeroing program, stepping motor (3) driving elevating mechanism (4) moves up or down and tends to zero-bit;
B, carry out zeroing just: elevating mechanism (4) detects by the grating groove (5A-1) on the grating chi and the first grooved optocoupler, grating transmitting-receiving in the first grooved optocoupler is carried out opto-electronic conversion to pipe (5C) through the grating groove (5A-1) on the grating chi (5A), detect initial zero-bit, send simultaneously and put signal in place to controller;
C, accurately return to zero: the rotating shaft of controller control step motor (3) is rotated further, detect by the grating groove (3-1-1) on the code-disc (3-1) and the second grooved optocoupler, when the grating groove (3-1-1) on the code-disc (3-1) to the light of the second grooved optocoupler is received and dispatched the position of pipe (3-2), the light transmitting-receiving is carried out opto-electronic conversion to pipe (3-2), realizes accurately zeroing.
Key of the present invention is to have set up null setting in adjusting device, and the zero-bit modification method that adopts coarse adjustment and fine tuning to combine, and reaches the purpose of accurate adjustment zero-bit, has improved the adjustment precision of adjusting device.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of middle regulator of the present invention.
Fig. 2 is the structural representation of the first grooved optocoupler among the present invention.
Fig. 3 is the structural representation of the second grooved optocoupler among the present invention.
Fig. 4 is the structural representation of the code-disc of stepping motor among the present invention.
In the accompanying drawing, 1 represents pedestal, and 2 represent bracing frame, and 3 represent stepping motor, 3-1 representative and the coaxial code-disc that is connected of stepping motor rotating shaft, 3-1-1 represents the grating groove on the code-disc, and the grating transmitting-receiving of the supporting setting of grating groove on 3-2 representative and the code-disc is to pipe, and 4 represent elevating mechanism, 5A represents the grating chi, 5A-1 represents the grating groove on the grating chi, and 5B represents shielding case body, and the 5C representative is received and dispatched pipe with the light of the supporting setting of grating chi.
The first grooved optocoupler is meant the grooved optocoupler that matches with the grating chi.The second grooved optocoupler be meant with code-disc on the grating groove grooved optocoupler that matches.
Embodiment
Referring to accompanying drawing 1 to 4, the school of the adjusting device that a kind of aerial panel is used zero method, with colonel's zero method is to realize in the adjustment process of adjusting device to the aerial panel position, said adjustment process is by the stepping motor 3 and the transmission mechanism that are arranged on the pedestal 1, controller and software kit driven by program elevating mechanism, the bracing frame 2 that is arranged on the aerial panel on the elevating mechanism 4 is realized the lifting positioning by elevating mechanism 4, also comprises the grating chi 5A that has grating groove 5A-1 and the associated first grooved optocoupler that are arranged on the bracing frame 2 in adjusting device, the code-disc 3-1 that have grating groove 3-1-1 and the associated second grooved optocoupler coaxial with the rotating shaft of stepping motor 3; Be provided with the grating transmitting-receiving in the first grooved optocoupler to pipe 3-2, be provided with the grating transmitting-receiving in the second grooved optocoupler, carry out following steps with this understanding pipe 5C:
A, startup zeroing program, stepping motor (3) driving elevating mechanism (4) moves up or down and tends to zero-bit;
B, carry out zeroing just: elevating mechanism (4) detects by the grating groove (5A-1) on the grating chi and the first grooved optocoupler, grating transmitting-receiving in the first grooved optocoupler is carried out opto-electronic conversion to pipe (5C) through the grating groove (5A-1) on the grating chi (5A), detect initial zero-bit, send simultaneously and put signal in place to controller;
C, accurately return to zero: the rotating shaft of controller control step motor (3) is rotated further, detect by the grating groove (3-1-1) on the code-disc (3-1) and the second grooved optocoupler, when the grating groove (3-1-1) on the code-disc (3-1) to the light of the second grooved optocoupler was received and dispatched the position of pipe (3-2), light was received
Send out pipe (3-2) is carried out opto-electronic conversion, realize accurately zeroing.
The supporting initial zero-bit data of storage adjusting device and the memory cell of the zero-bit data that current detection arrives of being provided with in the above-mentioned controller.
Above-mentioned elevating mechanism 4 is ball screw frameworks, comprises the rotary screw axle that is connected with transmission mechanism in the structure, forms along vertically to the nut seat that is slidingly matched by supporting ball bearing mechanism and rotary screw axle.
Above-mentioned transmission mechanism is a worm-gear speed reducer.
The present invention in the specific implementation, with reference to Fig. 1, the controller of stepping motor 3 transmits control signal and starts stepping motor 3, and stepping motor 3 sends power to by ball screw framework by worm-gear speed reducer, and ball screw framework drive bracing frame 2 and grating chi 5A are synchronized with the movement up or down.When ball screw framework drive grating chi 5A moved upward, the grating transmitting-receiving among the shielding case body 5B of the first grooved optocoupler was carried out opto-electronic conversion to pipe 5C through the grating groove 5A-1 on the grating chi 5A, detects initial zero-bit, and this signal is sent to controller.This moment, stepping motor 3 remained in operation, when the light transmitting-receiving that turns to the first grooved optocoupler under the drive of grating groove 3-1-1 on the code-disc 3-1 in the stepping motor 3 during to the position of pipe 3-2 in rotating shaft, the light transmitting-receiving is carried out opto-electronic conversion to pipe 3-2, detect accurate zero signal, and this signal is sent to controller, and set current zero-bit data, finish a zero correction.When ball screw framework moves along direction of extension, whenever all to carry out a zero correction during through the first grooved optocoupler, guarantee the adjustment precision of adjusting device.
Claims (4)
1. school zero method of the adjusting device used of an aerial panel, with colonel's zero method is to realize in the adjustment process of adjusting device to the aerial panel position, said adjustment process is by the stepping motor (3) and the transmission mechanism that are arranged on the pedestal (1), the elevating mechanism of controller and software kit driven by program, the bracing frame (2) that is arranged on the aerial panel on the elevating mechanism (4) is realized the lifting positioning by elevating mechanism (4), it is characterized in that: in adjusting device, also comprise the grating chi (5A) that has grating groove (5A-1) and the first grooved optocoupler that are arranged on the bracing frame (2), the code-disc that have grating groove (3-1-1) (3-1) and the second grooved optocoupler coaxial with the rotating shaft of stepping motor (3), carry out following steps with this understanding:
A, startup zeroing program, stepping motor (3) driving elevating mechanism (4) moves up or down and tends to zero-bit;
B, carry out zeroing just: elevating mechanism (4) detects by the grating groove (5A-1) on the grating chi and the first grooved optocoupler, grating transmitting-receiving in the first grooved optocoupler is carried out opto-electronic conversion to pipe (5C) through the grating groove (5A-1) on the grating chi (5A), detect initial zero-bit, send simultaneously and put signal in place to controller;
C, accurately return to zero: the rotating shaft of controller control step motor (3) is rotated further, detect by the grating groove (3-1-1) on the code-disc (3-1) and the second grooved optocoupler, when the grating groove (3-1-1) on the code-disc (3-1) to the light of the second grooved optocoupler is received and dispatched the position of pipe (3-2), the light transmitting-receiving is carried out opto-electronic conversion to pipe (3-2), realizes accurately zeroing.
2. the school of the adjusting device that a kind of aerial panel according to claim 1 is used zero method is characterized in that: the supporting initial zero-bit data of storage adjusting device and the memory cell of the zero-bit data that current detection arrives of being provided with in the described controller.
3. the school of the adjusting device that a kind of aerial panel according to claim 1 is used zero method, it is characterized in that: described elevating mechanism (4) is a ball screw framework, comprises the rotary screw axle that is connected with transmission mechanism in the structure, forms along vertically to the nut seat that is slidingly matched by supporting ball bearing mechanism and rotary screw axle.
4. the school of the adjusting device that a kind of aerial panel according to claim 1 is used zero method, it is characterized in that: described transmission mechanism is a worm-gear speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102264434A CN101938030B (en) | 2010-07-15 | 2010-07-15 | Zero calibration method for adjusting device for antenna panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102264434A CN101938030B (en) | 2010-07-15 | 2010-07-15 | Zero calibration method for adjusting device for antenna panel |
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| CN101938030A true CN101938030A (en) | 2011-01-05 |
| CN101938030B CN101938030B (en) | 2012-11-28 |
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| CN2010102264434A Active CN101938030B (en) | 2010-07-15 | 2010-07-15 | Zero calibration method for adjusting device for antenna panel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593608A (en) * | 2012-03-09 | 2012-07-18 | 上海交通大学 | Electric actuator for actively adjusting main reflection face of large-size radio telescope |
| CN104460822A (en) * | 2014-10-13 | 2015-03-25 | 上海交通大学 | Electric actuator with brake |
| CN106767644A (en) * | 2017-02-22 | 2017-05-31 | 长春工业大学 | Rotationally symmetrical surface forming device |
| CN110103015A (en) * | 2019-04-28 | 2019-08-09 | 西安交通大学 | It is a kind of for by multichannel sample introduction valve body zero-bit and grating encoder zero-bit to positive aligning device and its application method |
| CN110986702A (en) * | 2019-11-26 | 2020-04-10 | 天津津航技术物理研究所 | Automatic window shielding device for laser fuse echo acquisition |
| CN113275832A (en) * | 2021-05-31 | 2021-08-20 | 荆州市紫荆龙创机械制造有限公司 | Vertical machining center optical machine and position correction method |
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| CN1909285A (en) * | 2006-08-14 | 2007-02-07 | 西安电子科技大学 | Multiple-wave feed automatic switch and drive device for large-scale flexible radio telescope antenna |
| CN101008833A (en) * | 2006-01-26 | 2007-08-01 | 西安高华科技有限公司 | Rapid zero calibration method of automatic time calibrating timer capable of receiving radio signals |
| CN200953379Y (en) * | 2006-06-13 | 2007-09-26 | 西安海天天线科技股份有限公司 | Electric regulating antenna controller |
| US20090027267A1 (en) * | 2006-02-24 | 2009-01-29 | Mbda Uk Limited | Scanned antenna system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101008833A (en) * | 2006-01-26 | 2007-08-01 | 西安高华科技有限公司 | Rapid zero calibration method of automatic time calibrating timer capable of receiving radio signals |
| US20090027267A1 (en) * | 2006-02-24 | 2009-01-29 | Mbda Uk Limited | Scanned antenna system |
| CN200953379Y (en) * | 2006-06-13 | 2007-09-26 | 西安海天天线科技股份有限公司 | Electric regulating antenna controller |
| CN1909285A (en) * | 2006-08-14 | 2007-02-07 | 西安电子科技大学 | Multiple-wave feed automatic switch and drive device for large-scale flexible radio telescope antenna |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593608A (en) * | 2012-03-09 | 2012-07-18 | 上海交通大学 | Electric actuator for actively adjusting main reflection face of large-size radio telescope |
| CN102593608B (en) * | 2012-03-09 | 2014-01-15 | 上海交通大学 | Electric actuator for actively adjusting main reflection face of large-size radio telescope |
| CN104460822A (en) * | 2014-10-13 | 2015-03-25 | 上海交通大学 | Electric actuator with brake |
| CN104460822B (en) * | 2014-10-13 | 2016-02-10 | 上海交通大学 | The electric actuator of band brake |
| CN106767644A (en) * | 2017-02-22 | 2017-05-31 | 长春工业大学 | Rotationally symmetrical surface forming device |
| CN110103015A (en) * | 2019-04-28 | 2019-08-09 | 西安交通大学 | It is a kind of for by multichannel sample introduction valve body zero-bit and grating encoder zero-bit to positive aligning device and its application method |
| CN110103015B (en) * | 2019-04-28 | 2020-06-19 | 西安交通大学 | Alignment device for aligning zero position of valve body of multi-path sample injection valve with zero position of grating code disc and use method of alignment device |
| CN110986702A (en) * | 2019-11-26 | 2020-04-10 | 天津津航技术物理研究所 | Automatic window shielding device for laser fuse echo acquisition |
| CN110986702B (en) * | 2019-11-26 | 2021-10-15 | 天津津航技术物理研究所 | Automatic window shielding device for laser fuse echo acquisition |
| CN113275832A (en) * | 2021-05-31 | 2021-08-20 | 荆州市紫荆龙创机械制造有限公司 | Vertical machining center optical machine and position correction method |
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| CN101938030B (en) | 2012-11-28 |
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