Automatic adjusting device for wedge-shaped mirror of laser wind-finding radar

Abstract

The utility model provides the automatic adjusting device for the wedge-shaped mirror of the laser wind-finding radar, which is simple in structure and high in precision. The device comprises a substrate (1), a telescope (2) is fixedly arranged on the substrate (1), a wedge-shaped mirror (3) of the radar is rotatably matched with the upper portion of the telescope (2), a slave synchronizing wheel (4) is fixedly arranged on the periphery of the wedge-shaped mirror (3), a scanning stepping motor (5) is further arranged on the substrate (1), a master synchronizing wheel (7) is arranged on an output shaft (6) of the scanning stepping motor (5), and the master synchronizing wheel (7) is connected with the slave synchronizing wheel (4). A synchronous belt (8) is matched between the driving synchronous wheel (7) and the driven synchronous wheel (4), the scanning stepping motor (5) is externally connected with a power supply, and the scanning stepping motor (5) is in electric signal connection with an automatic control system of the laser wind finding radar. The utility model is applied to the technical field of laser radars.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser radar technical field especially relates to a laser wind measurement radar wedge mirror automatic adjusting device. BACKGROUND

[0002] In prior art, the wedge mirror of wind measurement laser radar is generally driven to rotate through a bulky structure, which is not conducive to the miniaturization development of the overall structure of the radar, therefore, it is urgent to design a compact and high-precision device to adjust the wedge mirror of the radar. SUMMARY

[0003] The utility model wants to overcome the prior art's insufficient, provide a kind of laser wind measurement radar wedge mirror automatic adjusting device with simple structure, high precision.

[0004] The utility model employs the technical scheme, a kind of laser wind measurement radar wedge mirror automatic adjusting device, it includes substrate, fixedly arranged with telescope on the substrate, the wedge mirror of radar is rotated and cooperates in the upper portion of the telescope, fixedly arranged with from synchronous wheel on the periphery of the wedge mirror, scanning stepper motor is also provided on the substrate, the output shaft of the scanning stepper motor is provided with main synchronous wheel, the main synchronous wheel is cooperated with the synchronous belt between from synchronous wheel, the scanning stepper motor is connected with the power supply, the scanning stepper motor and the automatic control system of laser wind measurement radar are connected with electric signal.

[0005] The above-mentioned scheme can be seen, the utility model is provided with scanning stepper motor on the substrate, through the cooperation between scanning stepper motor, main synchronous wheel, from synchronous wheel and synchronous belt, the rotary motion of wedge mirror can be realized automatic rotation by scanning stepper motor, and rotation angle is accurately adjustable, it is simple in structure, and high in operating precision.

[0006] The reference turntable with reference line and the code disc divided by several equidivisions are fixedly arranged on the upper and lower sides of the from synchronous wheel respectively, the reference turntable and the code disc rotate synchronously with the from synchronous wheel, the first code reading photoelectric sensor and the second code reading photoelectric sensor are arranged on the periphery of the reference turntable and the code disc respectively, the first code reading photoelectric sensor and the second code reading photoelectric sensor are fixed on the telescope, the first code reading photoelectric sensor and the second code reading photoelectric sensor are connected with the automatic control system of laser wind measurement radar with electric signal. It can be seen that, the rotary starting position of wedge mirror is obtained by reading reference line through reference turntable, the rotary angle of wedge mirror can be obtained through code disc, the rotary precision of wedge mirror is ensured, and the scanning angle can be quickly read out, to provide the convenience for wind field parameter calculation.

[0007] The positioning protrusion and the positioning recess are matched, so that the wedge-shaped mirror can be quickly assembled, and the installation and maintenance of the device are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 is a simple structure schematic view of the first perspective of the utility model;

[0009] Fig. 2 is a simple structure schematic view of the second perspective of the utility model;

[0010] Fig. 3 is a simple structure schematic view of the second perspective of the utility model;

[0011] Fig. 4 is a simple structure schematic view of the reference turntable. DETAILED DESCRIPTION

[0012] As shown in Figs. 1-4 A laser wind finding radar wedge-shaped mirror automatic adjusting device, including base plate 1, on the base plate 1 fixedly arranged with telescope 2, the wedge-shaped mirror 3 of radar is rotationally cooperated on the upper portion of the telescope 2, and the optical axes of the two are coincident. Fixedly arranged with from synchronous wheel 4 on the periphery of the wedge-shaped mirror 3, still be provided with scanning stepper motor 5 on the base plate 1, the output shaft 6 of the scanning stepper motor 5 is provided with main synchronous wheel 7, the main synchronous wheel 7 and the from synchronous wheel 4 are matched with synchronous belt 8, the scanning stepper motor 5 is connected with the power supply, the scanning stepper motor 5 and the automatic control system of laser wind finding radar are connected with electric signal.

[0013] The reference turntable 10 with reference line 9 and the code disc 12 divided by several equidivision lines 11 are fixedly arranged on the upper and lower sides of the from synchronous wheel 4 respectively, the reference turntable 10 and the code disc 12 rotate synchronously with the from synchronous wheel 4, first reading code photoelectric sensor 13 and second reading code photoelectric sensor 14 are respectively arranged on the periphery of the reference turntable 10 and the code disc 12, the first reading code photoelectric sensor 13 and the second reading code photoelectric sensor 14 are fixed on the telescope 2, the first reading code photoelectric sensor 13 and the second reading code photoelectric sensor 14 are connected with the automatic control system of laser wind finding radar with electric signal.

[0014] Positioning protrusion 15 is arranged on the inner side of the code disc 12, and positioning recess 16 matched with the positioning protrusion 15 is arranged on the wedge-shaped mirror 3.

[0015] Finally, it needs to be emphasized that the above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A laser wind lidar wedge automatic adjusting device, characterized in that: It includes the base plate (1), the telescope (2) is fixedly arranged on the base plate (1), the wedge-shaped mirror (3) of radar is rotatably matched on the upper portion of the telescope (2), the slave synchronous wheel (4) is fixedly arranged on the periphery of the wedge-shaped mirror (3), the scanning stepper motor (5) is further arranged on the base plate (1), the output shaft (6) of the scanning stepper motor (5) is provided with the main synchronous wheel (7), the main synchronous wheel (7) and the slave synchronous wheel (4) are matched with the synchronous belt (8), the scanning stepper motor (5) is connected with the self-control system of the laser wind measuring radar through electric signal.

2. The automatic adjusting device for the laser wind lidar wedge according to claim 1, characterized in that: The reference turntable (10) with reference line (9) and the code disc (12) divided by several division lines (11) are fixedly arranged on the upper and lower sides of the slave synchronous wheel (4) respectively, the reference turntable (10) and the code disc (12) rotate synchronously with the slave synchronous wheel (4), the first code reading photoelectric sensor (13) and the second code reading photoelectric sensor (14) are arranged on the periphery of the reference turntable (10) and the code disc (12) respectively, the first code reading photoelectric sensor (13) and the second code reading photoelectric sensor (14) are fixed on the telescope (2), and the first code reading photoelectric sensor (13) and the second code reading photoelectric sensor (14) are connected with the self-control system of the laser wind measuring radar through electric signal.

3. The automatic adjusting device for the laser wind lidar wedge according to claim 2, characterized in that: The positioning protrusion (15) is arranged on the inner side of the code disc (12), and the wedge-shaped mirror (3) is provided with the positioning notch (16) matched with the positioning protrusion (15).

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