Unmanned aerial vehicle pulse radar correction device

Abstract

The utility model relates to the technical field of radar correction, in particular to an unmanned aerial vehicle pulse radar correction device which comprises a supporting platform. A correction mechanism is installed at the bottom of the supporting platform, and a balance mechanism is installed at the bottom of the correction mechanism. The top of the supporting platform is fixedly connected with a radar body, the top of the radar body is fixedly connected with an obliquely-arranged control panel, the bottom of the connecting base is fixedly connected with a balance mechanism, the bottom of the connecting base is rotatably connected with a fixing rod, the outer side of the fixing rod is slidably connected with a sliding rod, and the top of the sliding rod is fixedly connected with a sliding sleeve. The platform can be supported to keep horizontal by adjusting the fixing rod and the sliding rod, one end of the fixing screw is in contact with and abuts against the fixing rod by rotating the fixing screw, and at the moment, the fixing rod and the sliding rod can be fixed. It is ensured that the upper supporting platform is in a horizontal state, and receiving and sending of signals of the control panel are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to radar correction technical field, concretely is a kind of unmanned aerial vehicle pulse radar calibration device. BACKGROUND

[0002] In space range system, pulse radar shoulders important mission, and it is indispensable main equipment of external measurement system.A set of pulse radar can complete the positioning task to target, and it has higher measurement accuracy, before completing measurement task each time, pulse radar needs to be calibrated to distance and angle zero value, a calibration method based on unmanned aerial vehicle is proposed, the way to improve and improve precision is researched, and verification is carried out, and the result shows that the calibration method of pulse radar based on unmanned aerial vehicle meets the requirements of precision, the method overcomes many deficiencies of traditional calibration method needing to build auxiliary facilities, maximumly reduces the influence of human factors, especially can remove telescope this intermediate link, improves the intelligent level of calibration.

[0003] The hardware of the pulse radar calibration method based on unmanned aerial vehicle mainly includes unmanned aerial vehicle, pulse radar repeater and computer, and the functions of each part are as follows: the unmanned aerial vehicle is used to install payload pulse transponder and hovers at a certain distance from the radar;The pulse transponder is used to transmit the radio signal required by the pulse radar;The computer is used to calculate and process data. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of unmanned aerial vehicle pulse radar calibration device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] As an alternative of the unmanned aerial vehicle pulse radar calibration device, the unmanned aerial vehicle pulse radar calibration device includes a support platform, a calibration mechanism and a balancing mechanism.

[0007] The calibration mechanism is installed at the bottom of the support platform, and the balancing mechanism is installed at the bottom of the calibration mechanism.

[0008] The radar body is fixedly connected to the top of the support platform, and the control board is fixedly connected to the top of the radar body.

[0009] The correction mechanism comprises a connecting seat, a fixed rod and a sliding rod, the bottom of the connecting seat is fixedly connected with a balancing mechanism, the bottom of the connecting seat is rotationally connected with the fixed rod, the outer side of the fixed rod is slidingly connected with the sliding rod, the top of the sliding rod is fixedly connected with a sliding sleeve, the inner side of the sliding sleeve is slidingly connected with the fixed rod, and the outer side of the sliding sleeve is further screw-connected with a fixing screw.

[0010] As an optional scheme of the unmanned aerial vehicle pulse radar calibration device, the balancing mechanism comprises a mounting frame, a motor and a rotating shaft, the top of the mounting frame is fixedly connected with the correction mechanism, the inside of the mounting frame is fixedly connected with the motor, the tail end of the main shaft of the motor is fixedly connected with the rotating shaft, the other end of the rotating shaft is rotationally connected with the mounting frame, the outer side of the rotating shaft is fixedly connected with a take-up reel, the outer side of the take-up reel is wound with a connecting rope, and the other end of the connecting rope is detachably connected with a counterweight.

[0011] The hardware of the unmanned aerial vehicle-based pulse radar calibration method mainly comprises: an unmanned aerial vehicle; a pulse radar repeater and a computer, and the functions of each part are: the unmanned aerial vehicle is used to install a payload pulse transponder and hovers at a certain distance from the radar; the pulse transponder is used to transmit the radio signals required by the pulse radar; and the computer is used to calculate and process data.

[0012] As an optional scheme of the unmanned aerial vehicle pulse radar calibration device, the outer side of the radar body is fixedly connected with a pump body, the output end of the pump body is communicated with an air pipe, the other end of the air pipe is communicated with a cleaning plate, and the outer side of the cleaning plate is fixedly connected with the control plate.

[0013] As an optional scheme of the unmanned aerial vehicle pulse radar calibration device, the cleaning plate is hollow, an exhaust hole is formed in the upper side of the cleaning plate, and the exhaust hole is longitudinally arranged on the top of the cleaning plate.

[0014] As an optional scheme of the unmanned aerial vehicle pulse radar calibration device, the outer side of the air pipe is further provided with a fixing ring, and the outer side of the fixing ring is fixedly connected with the radar body.

[0015] When the control board sends or receives signals, the leaves, paper bags and other impurities attached to the surface of the control board will also affect its use. At this time, the pump body is started to drive air to be discharged through the air pipe and the cleaning plate, which can clean the surface of the control board to some extent and ensure stable reception and transmission of signals.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] In use, the fixed rod and the sliding rod can be used to support the platform to be horizontal, and the fixed screw is rotated to contact one end of the fixed screw with the fixed rod and abut against it, so that the fixed rod and the sliding rod can be fixed, the support platform above is ensured to be horizontal, and the reception and transmission of signals of the control board are ensured.

[0018] In actual use, if the wind level is large, the stability of the device is poor. The motor is started to drive the rotating shaft to rotate, the rotating shaft drives the take-up wheel to rotate, the pay-off action is realized, a counterweight is installed at one end of the connecting rope, the gravity center of the device is lowered, and the stability of the device is ensured.

[0019] When the control board sends or receives signals, the leaves, paper bags and other impurities attached to the surface of the control board will also affect its use. At this time, the pump body is started to drive air to be discharged through the air pipe and the cleaning plate, which can clean the surface of the control board to some extent and ensure stable reception and transmission of signals. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a structure schematic view of the balance mechanism of the utility model. Figure 1

[0022] Figure 3 It is a structure schematic view of the balance mechanism of the utility model.

[0023] In the drawing: 1, support platform; 2, calibration mechanism; 201, connecting seat; 202, fixed rod; 203, sliding rod; 204, sliding sleeve; 205, fixed screw; 3, balance mechanism; 301, mounting frame; 302, motor; 303, rotating shaft; 304, take-up wheel; 305, connecting rope; 306, counterweight; 4, radar body; 5, control board; 6, pump body; 7, air pipe; 8, cleaning plate; 9, fixing ring.​ DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without any creative work belong to the protection scope of the utility model.

[0025] Embodiment 1: please refer to Figure 1 and Figure 3 The utility model provides a technical scheme:

[0026] A unmanned plane impulse radar correction device, including support platform 1, correction mechanism 2 and balance mechanism 3, correction mechanism 2 and balance mechanism 3 are installed on the bottom of support platform 1.

[0027] The bottom of the above-mentioned support platform 1 is installed with correction mechanism 2, and the bottom of correction mechanism 2 is installed with balance mechanism 3.

[0028] The top of the above-mentioned support platform 1 is fixedly connected with radar body 4, and the top of the above-mentioned radar body 4 is fixedly connected with the control panel 5 of the inclination setting.

[0029] The above-mentioned correction mechanism 2 includes connecting seat 201, fixed rod 202 and sliding rod 203, the bottom of the above-mentioned connecting seat 201 is fixedly connected with balance mechanism 3, the bottom of the above-mentioned connecting seat 201 is rotatably connected with fixed rod 202, the outer side of fixed rod 202 is slidably connected with sliding rod 203, and the top of sliding rod 203 is fixedly connected with sliding sleeve 204, the inner side of the above-mentioned sliding sleeve 204 is slidably connected with fixed rod 202, and the outer side of the above-mentioned sliding sleeve 204 is further screw-connected with fixed screw 205.

[0030] The above-mentioned balance mechanism 3 includes installation frame 301, motor 302 and rotating shaft 303, the top of the above-mentioned installation frame 301 is fixedly connected with correction mechanism 2, the inside of the above-mentioned installation frame 301 is fixedly connected with motor 302, the main shaft end of the above-mentioned motor 302 is fixedly connected with rotating shaft 303, the other end of the above-mentioned rotating shaft 303 is rotatably connected with installation frame 301, the outer side of the above-mentioned rotating shaft 303 is fixedly connected with take-up reel 304, the outer side of the above-mentioned take-up reel 304 is wound with connecting rope 305, and the other end of the connecting rope 305 is detachably connected with counterweight 306.

[0031] The hardware for the UAV-based pulse radar calibration method mainly includes: a UAV; a pulse radar transponder; and a computer. The functions of each component are as follows: the UAV is used to mount the payload pulse transponder and hover at a certain distance from the radar; the pulse transponder is used to transmit the radio signals required by the pulse radar; and the computer is used to calculate and process data. This UAV pulse radar requires the cooperation of a ground radar. Ground radar is typically fixed, placed directly on the ground, with a fixed tilt angle for its control panel and no calibration mechanism. Excessive tilting of the entire device will affect signal reception and transmission. This device, however, is used by connecting a power source and adjusting the fixed rod 202 and the sliding... Rod 203 can be used to support platform 1 to keep it horizontal. By rotating fixing screw 205, one end of fixing screw 205 contacts and abuts against fixing rod 202. At this time, it can be used to fix fixing rod 202 and sliding rod 203, ensuring that the upper support platform 1 is in a horizontal state, and ensuring the reception and transmission of signals from control board 5. In actual use, if the wind level is high, it will also lead to poor stability of the device. By starting motor 302 to drive rotating shaft 303, rotating shaft 303 drives take-up reel 304 to rotate, thus realizing the line release action. Then, a counterweight 306 is installed at one end of connecting rope 305, which can lower the center of gravity of the device and ensure the stability of the device.

[0032] Example 2: This example is an improvement upon Example 1. Please refer to [link / reference]. Figure 1 and Figure 2 Specifically, a pump body 6 is fixedly connected to the outside of the radar body 4. The output end of the pump body 6 is connected to an air pipe 7, and the other end of the air pipe 7 is connected to a cleaning plate 8. The outside of the cleaning plate 8 is fixedly connected to the control plate 5.

[0033] The cleaning plate 8 is hollow and has vent holes on its top. The vent holes are arranged in multiple groups and are vertically arranged on the top of the cleaning plate 8.

[0034] A fixing ring 9 is also provided on the outside of the aforementioned trachea 7, and the outside of the fixing ring 9 is fixedly connected to the radar body 4.

[0035] When the control board 5 sends or receives signals, impurities such as leaves and paper bags adhering to its surface can affect its use. At this time, by starting the pump body 6, air is driven through the air pipe 7 and the cleaning plate 8 to be discharged, which can play a certain role in cleaning the surface of the control board 5 and ensure stable signal reception and transmission.

[0036] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An unmanned aerial vehicle pulse radar correction device, characterized in that: It comprises a support platform (1), a correction mechanism (2) and a balancing mechanism (3); The bottom of the support platform (1) is provided with the correction mechanism (2), and the bottom of the correction mechanism (2) is provided with the balancing mechanism (3); The top of the support platform (1) is fixedly connected with a radar body (4), and the top of the radar body (4) is fixedly connected with a control panel (5) arranged obliquely; The correction mechanism (2) comprises a connecting seat (201), a fixed rod (202) and a sliding rod (203), the bottom of the connecting seat (201) is fixedly connected with the balancing mechanism (3), the bottom of the connecting seat (201) is rotatably connected with the fixed rod (202), the outer side of the fixed rod (202) is slidably connected with the sliding rod (203), the top of the sliding rod (203) is fixedly connected with a sliding sleeve (204), the inner side of the sliding sleeve (204) is slidably connected with the fixed rod (202), and the outer side of the sliding sleeve (204) is further screw-connected with a fixed screw (205).

2. The unmanned aerial vehicle impulse radar calibration device of claim 1, wherein: The balancing mechanism (3) comprises a mounting frame (301), a motor (302) and a rotating shaft (303), the top of the mounting frame (301) is fixedly connected with the correction mechanism (2), the inside of the mounting frame (301) is fixedly connected with the motor (302), the distal end of the main shaft of the motor (302) is fixedly connected with the rotating shaft (303), the other end of the rotating shaft (303) is rotatably connected with the mounting frame (301), the outer side of the rotating shaft (303) is fixedly connected with a take-up reel (304), the outer side of the take-up reel (304) is wound with a connecting rope (305), and the other end of the connecting rope (305) is detachably connected with a counterweight (306).

3. The unmanned aerial vehicle impulse radar calibration device of claim 1, wherein: The outer side of the radar body (4) is fixedly connected with a pump body (6), the output end of the pump body (6) is communicated with an air pipe (7), the other end of the air pipe (7) is communicated with a cleaning plate (8), and the outer side of the cleaning plate (8) is fixedly connected with the control panel (5).

4. The unmanned aerial vehicle impulse radar calibration device of claim 3, wherein: The cleaning plate (8) is hollow, and exhaust holes are formed above the cleaning plate (8), the exhaust holes are arranged in multiple groups and longitudinally arranged on the top of the cleaning plate (8).

5. The unmanned aerial vehicle impulse radar calibration device of claim 3, wherein: The outer side of the air pipe (7) is further provided with a fixing ring (9), and the outer side of the fixing ring (9) is fixedly connected with the radar body (4).

Images