CN211697995U

CN211697995U - Antenna measurement optical position calibration system

Info

Publication number: CN211697995U
Application number: CN202020081212.8U
Authority: CN
Inventors: 宋留伟
Original assignee: Xi'an Xinang Information Technology Co ltd
Current assignee: Xi'an Xinang Information Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-16
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses an antenna measurement optical position calibration system in the technical field of antenna measurement optical position calibration systems, the top of a mounting plate is fixedly provided with an optical probe unit, the bottom left side of a top plate is fixedly provided with a gyrolaser, the top center of a control box is fixedly provided with a spectrometer, the right side of the top left side wall of a support plate is fixedly provided with a first light receiver, the rear side of the left side wall of the support plate is fixedly provided with a second light receiver, the bottom right side of the top plate is fixedly provided with a third light receiver, the front side wall of the control box is fixedly provided with a light switch, the top of a storage battery is fixedly provided with a photoelectric detector, a mixer and a singlechip controller from left to right in sequence, the simultaneous measurement of the amplitude and the phase of an antenna unit can be realized, the measurement accuracy is high, and the three-dimensional coordinate of the position can be obtained, the method can reduce the measurement cost and improve the accuracy of antenna measurement calibration.

Description

Antenna measurement optical position calibration system

Technical Field

The utility model relates to an antenna measurement optical position calbiration system technical field specifically is an antenna measurement optical position calbiration system.

Background

The near-field antenna measurement technology is the most ideal test means for measuring a high-performance antenna, in a multi-probe antenna measurement system, the amplitude and the phase of a signal sent from a measurement instrument are actually the same, but the gain and the time delay of input signals by different probes are different, and probe errors exist, in order to enable a plurality of probes of the system to emit the same signal and eliminate the system errors caused by the probes, the probes of the system need to be calibrated, the traditional probe calibration simply measures the performance of the probes under the excitation of the same signal so as to obtain the compensation values of the amplitude and the phase of the probes, however, the existing antenna optical position calibration system usually uses a laser tracker to carry out real-time position measurement, on one hand, the cost of the laser tracker is high, in addition, the three-dimensional coordinate data precision is low, the measurement and calibration requirements of the high-performance antenna are difficult to meet, therefore, we propose an antenna measurement optical position calibration system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antenna measurement optical position calbiration system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an antenna measurement optical position calibration system comprises a base, wherein a stand column is fixedly arranged on the left side of the top of the base, a top plate is fixedly arranged on the top of the stand column, a control box is fixedly arranged at the center of the top of the base, a mounting plate fixed on the top of the base is arranged on the left side of the control box, an optical probe unit is fixedly assembled at the top of the mounting plate, a gyrolaser is fixedly arranged on the left side of the bottom of the top plate, a spectrometer is fixedly arranged at the center of the top of the control box, an antenna array matched with the gyrolaser and the optical probe unit is fixedly arranged on the right side wall of the stand column, supporting plates are fixedly arranged on the right side and the rear side of the top of the base, a first optical receiver is fixedly arranged on the left side wall of the right side supporting plate, a second optical receiver, the bottom right side of roof is fixed and is provided with third light receiver, fixed assembly has photoswitch on the preceding lateral wall of control box, the fixed battery that is provided with in inner chamber bottom of control box, the top of battery is from a left side to the right side fixed photoelectric detector, mixer and single chip microcomputer controller have been set gradually.

Preferably, the optical probe unit is electrically connected with the single chip microcomputer controller, the gyrolaser is electrically connected with the spectrometer, the spectrometer is electrically connected with the single chip microcomputer controller, the first optical receiver, the second optical receiver and the third optical receiver are electrically connected with the photoelectric detector, the photoelectric detector is electrically connected with the frequency mixer, and the frequency mixer is electrically connected with the single chip microcomputer controller.

Preferably, the first light receiver, the second light receiver and the third light receiver are all adapted to the spectrometer, and the first light receiver, the second light receiver and the third light receiver are respectively arranged right, right behind and right above the spectrometer.

Preferably, the optical probe unit and the gyrolaser are respectively arranged right below and right above the antenna array.

Preferably, the optical probe unit is electrically connected with the photodetector through a transmission optical fiber, and the transmission optical fiber adopts a polarization maintaining structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, the optical probe unit does not contain metal parts, can not influence the near field radiation field of antenna, guaranteed measuring authenticity, and correspond optical probe unit and antenna array, can realize the simultaneous measurement of the range and the phase place of antenna unit, it is high to measure the accuracy, gyro laser instrument carries out the scanning of vertical plane to the antenna array simultaneously, can divide into X, Y, Z three directions through the spectrometer of installing on the control box top, dispose first light receiver, second light receiver and third light receiver respectively in three direction terminal position, thereby obtain the three-dimensional coordinate of position in real time, laser beam who carries antenna array near field measurement information that reflects back through the optical probe unit enters photoelectric detector after being converted into microwave signal and enters the radio frequency end of mixer, then single chip microcomputer transmits for the controller, and then the data is transmitted to a terminal to realize display, so that the measurement cost can be reduced, and the accuracy of antenna measurement calibration can be improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the control box of the present invention.

In the figure: the device comprises a base 1, a column 2, a top plate 3, a control box 4, a mounting plate 5, an optical probe unit 6, a gyrolaser 7, a spectrometer 8, an antenna array 9, a support plate 10, a first light receiver 11, a second light receiver 12, a third light receiver 13, an optical switch 14, a storage battery 15, a single-chip microcomputer controller 16, a photoelectric detector 17 and a mixer 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: an antenna measurement optical position calibration system comprises a base 1, wherein a vertical column 2 is fixedly arranged on the left side of the top of the base 1, a top plate 3 is fixedly arranged on the top of the vertical column 2, a control box 4 is fixedly arranged at the center of the top of the base 1, a mounting plate 5 fixed on the top of the base 1 is arranged on the left side of the control box 4, an optical probe unit 6 is fixedly assembled on the top of the mounting plate 5, a gyroscope 7 is fixedly arranged on the left side of the bottom of the top plate 3, a spectrometer 8 is fixedly arranged at the center of the top of the control box 4, an antenna array 9 matched with the gyroscope 7 and the optical probe unit 6 is fixedly arranged on the right side wall of the vertical column 2, supporting plates 10 are fixedly arranged on the right side and the rear side of the top of the base 1, a first optical receiver 11 is fixedly arranged on the left side wall of the right supporting plate 10, a third light receiver 13 is fixedly arranged on the right side of the bottom of the top plate 3, a light switch 14 is fixedly assembled on the front side wall of the control box 4, a storage battery 15 is fixedly arranged at the bottom of an inner cavity of the control box 4, and a photoelectric detector 17, a frequency mixer 18 and a single chip microcomputer controller 16 are fixedly arranged on the top of the storage battery 15 from left to right in sequence.

The optical probe unit 6 is electrically connected with the singlechip controller 16 in an output mode, the gyrolaser 7 is electrically connected with the spectrometer 8, the spectrometer 8 is electrically connected with the singlechip controller 16 in an output mode, the first optical receiver 11, the second optical receiver 12 and the third optical receiver 13 are all electrically connected with the photoelectric detector 17 in an output mode, the photoelectric detector 17 is electrically connected with the frequency mixer 18 in an output mode, and the frequency mixer 18 is electrically connected with the singlechip controller 16 in an output mode;

referring to fig. 1, the first light receiver 11, the second light receiver 12 and the third light receiver 13 are all adapted to the spectrometer 8, and the first light receiver 11, the second light receiver 12 and the third light receiver 13 are respectively disposed right, right back and right above the spectrometer 8;

referring to fig. 1, the optical probe unit 6 and the gyrolaser 7 are respectively disposed right below and right above the antenna array 9;

the optical probe unit 6 is electrically connected with the photoelectric detector 17 through the transmission optical fiber, the transmission optical fiber adopts a polarization maintaining structure, the optical probe unit 6 does not contain metal devices, the near-field radiation field of the antenna cannot be influenced, and the authenticity of measurement is guaranteed.

The working principle is as follows: the optical probe unit 6 does not contain metal devices, the near-field radiation field of the antenna is not affected, the authenticity of measurement is guaranteed, the optical probe unit 6 corresponds to the antenna array 9, the simultaneous measurement of the amplitude and the phase of the antenna unit can be realized, the measurement accuracy is high, meanwhile, the gyro laser 7 scans the vertical plane of the antenna array 9, an optical signal can be divided into X, Y, Z three directions through the spectroscope 8 arranged on the top of the control box 4, the terminal positions of the three directions are respectively provided with the first optical receiver 11, the second optical receiver 12 and the third optical receiver 13, so that the three-dimensional coordinates of the positions are obtained in real time, a laser beam which is reflected by the optical probe unit 6 and carries the near-field measurement information of the antenna array 9 enters the photoelectric detector 17 and then is converted into a microwave signal to enter the radio frequency end of the mixer 18, and then the microwave signal is transmitted to, and then the data is transmitted to a terminal to realize display, so that the measurement cost can be reduced, and the accuracy of antenna measurement calibration can be improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An antenna measurement optical position calibration system, comprising a base (1), characterized in that: the device comprises a base (1), a stand column (2) is fixedly arranged on the left side of the top of the base (1), a top plate (3) is fixedly arranged on the top of the stand column (2), a control box (4) is fixedly arranged at the center of the top of the base (1), a mounting plate (5) fixed on the top of the base (1) is arranged on the left side of the control box (4), an optical probe unit (6) is fixedly assembled on the top of the mounting plate (5), a gyro laser (7) is fixedly arranged on the left side of the bottom of the top plate (3), a spectrometer (8) is fixedly arranged at the center of the top of the control box (4), an antenna array (9) matched with the gyro laser (7) and the optical probe unit (6) is fixedly arranged on the right side wall of the stand column (2), a support plate (10) is fixedly arranged on the right side and the rear side of the top of the base (1), and a first light receiver (, rear side fixed second light receiver (12) of being provided with on the preceding lateral wall of backup pad (10), the fixed third light receiver (13) of being provided with in bottom right side of roof (3), fixed assembly has photoswitch (14) on the preceding lateral wall of control box (4), the fixed battery (15) that is provided with in inner chamber bottom of control box (4), the top of battery (15) is fixed from a left side to the right side in proper order and is provided with photoelectric detector (17), mixer (18) and single chip microcomputer controller (16).

2. An antenna measurement optical position calibration system according to claim 1, characterized in that: optical probe unit (6) electrical output connects single chip microcomputer controller (16), just gyrometer (7) electrical connection spectrometer (8), spectrometer (8) electrical output connects single chip microcomputer controller (16), first light receiver (11), second light receiver (12) and third light receiver (13) equal electrical output connects photoelectric detector (17), photoelectric detector (17) electrical output connects mixer (18), mixer (18) electrical output connects single chip microcomputer controller (16).

3. An antenna measurement optical position calibration system according to claim 2, characterized in that: first light receiver (11), second light receiver (12) and third light receiver (13) all with spectrometer (8) looks adaptation, just first light receiver (11), second light receiver (12) and third light receiver (13) set up right-hand, right back and directly over spectrometer (8) respectively.

4. An antenna measurement optical position calibration system according to claim 1, characterized in that: the optical probe unit (6) and the gyrolaser (7) are respectively arranged right below and right above the antenna array (9).

5. An antenna measurement optical position calibration system according to claim 1, characterized in that: the optical probe unit (6) is electrically connected with the photoelectric detector (17) through a transmission optical fiber, and the transmission optical fiber adopts a polarization-maintaining structure.