Clamp device of elastic radar detection antenna

Abstract

The utility model relates to the field of clamp devices, in particular to a clamp device of an elastic radar detection antenna, which comprises an antenna plate, a metal reflecting plate, a clamping assembly, an adjusting assembly, an air cylinder and a mounting plate. According to the utility model, through arranging the clamping assembly and the adjusting assembly which are provided with buffer structures, vibration and impact on the radar antenna in the working process can be effectively absorbed and dispersed, so that the stable position of the antenna is maintained, the stability of radar detection is improved, the accuracy of radar detection is improved, and the working efficiency is improved. And the service life of the whole radar detection system can be prolonged by reducing the abrasion of vibration and impact to the antenna and the clamp thereof.

Description

TECHNICAL FIELD

[0001] The utility model relates to the fixture device field especially relates to the fixture device of elastic radar detection antenna. BACKGROUND

[0002] Radar is a kind of equipment using electromagnetic wave to detect and locate, and radar works by emitting radio waves or microwaves and receiving the signal reflected back after encountering an object, and elastic radar detection antenna is mainly used for transmitting and receiving electromagnetic waves to realize the detection, positioning and speed measurement of target object, and the fixture device of elastic radar detection antenna is mainly used for assisting the installation, positioning and testing of radar detection antenna to ensure that radar detection work can be carried out efficiently and accurately.

[0003] The existing fixture device of elastic radar detection antenna usually lacks effective buffer damping structure, so that the antenna is prone to position deviation when subjected to external vibration and impact, and the stable position of the antenna can not be maintained during radar detection, resulting in increased volatility of detection results and affecting detection effect.

[0004] Therefore, in view of the problem that the existing fixture device of elastic radar detection antenna is easily affected by external force during detection, a fixture device of elastic radar detection antenna with a buffer structure can be designed, which can effectively absorb and disperse the vibration and impact received by the radar antenna during work, thereby maintaining the stable position of the antenna and improving the stability of radar detection, thereby improving the accuracy of radar detection. SUMMARY

[0005] In order to overcome the problem that the existing fixture device of elastic radar detection antenna is easily affected by external force during detection.

[0006] The technical scheme of the utility model is as follows: the fixture device of elastic radar detection antenna comprises an antenna plate, a metal reflecting plate, a clamping assembly, an adjusting assembly, a gas cylinder and a mounting plate, four groups of antenna plates are evenly arranged around the antenna plate, a metal reflecting plate is fixedly installed at the lower end of the four groups of antenna plates, a clamping assembly for clamping and fixing the antenna plate is arranged at the end of the four groups of antenna plates away from each other, a mounting plate for mounting and fixing the clamping assembly is fixedly connected to the lower end of the four clamping assemblies, the lower end of the metal reflecting plate is elastically connected to the upper end of the mounting plate through the four groups of gas cylinders arranged around, and mounting holes for mounting and fixing the mounting plate are arranged around the upper end of the mounting plate.

[0007] As preferred, the clamping assembly comprises a gripper, a mounting block, a first driving motor and a buffer layer, the inner side of the mounting block is provided with the gripper for clamping the antenna plate, the gripper is rotationally connected with the mounting block through a connecting shaft, and the side of the gripper for clamping the antenna plate is attached with the buffer layer for increasing friction and having a certain elasticity.

[0008] As preferred, the first driving motor is provided with an output shaft, and the output shaft of the first driving motor extends through the outer side of the mounting block to the inner side to drive the gripper to rotate.

[0009] As preferred, the adjusting assembly comprises a support column, a first connecting block, a second connecting block, a second driving motor, a third driving motor, a spring and a damper, the upper and lower ends of the support column are rotationally connected with the first connecting block and the second connecting block through connecting shafts respectively, the outer side of the connection between the support column and the first connecting block is provided with the second driving motor, and the outer side of the connection between the second connecting block and the support column is provided with the third driving motor.

[0010] As preferred, the lower end of the second connecting block is fixedly connected with the spring, and the inside of the spring is provided with the damper for assisting rebound.

[0011] As preferred, the second driving motor and the third driving motor are both provided with an output shaft.

[0012] As preferred, the output shaft of the second driving motor extends through the outer side of the support column to the inner side to drive the first connecting block to rotate, and the output shaft of the third driving motor extends through the outer side of the second connecting block to the inner side to drive the support column to rotate.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. By setting the clamping assembly and the adjusting assembly with the buffer structure, the vibration and impact received by the radar antenna during the working process can be effectively absorbed and dispersed, so that the stable position of the antenna is maintained, the stability of the radar detection is improved, the accuracy of the radar detection is improved, the abrasion of the antenna and the clamp caused by the vibration and impact is reduced, and the service life of the whole radar detection system is also prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The overall three-dimensional structure schematic view of the clamp device of the elastic radar detection antenna is shown.

[0016] Figure 2 The overall three-dimensional structure schematic view of the clamp device of the elastic radar detection antenna is shown.

[0017] Figure 3 The overall three-dimensional structure schematic view of the clamp device of the elastic radar detection antenna is shown.

[0018] Figure 4 The utility model discloses a clamp device adjusting assembly three-dimensional structure schematic diagram of elastic radar detection antenna.

[0019] Mark explanation: 1, antenna board;2, metal reflection board;5, air cylinder;6, mounting plate;7, mounting hole;301, grab;302, mounting block;303, first drive motor;304, buffer layer;401, support column;402, first connecting block;403, second connecting block;404, second drive motor;405, third drive motor;406, spring;407, damper. DETAILED DESCRIPTION

[0020] The utility model is further explained below in connection with the drawings and examples.

[0021] Radar is an electronic device that uses electromagnetic waves to detect targets. Its basic principle is that a transmitter emits electromagnetic waves into space. When the electromagnetic waves encounter a target during transmission, they are reflected back. The reflected waves are received by the receiver of the radar. Since electromagnetic waves propagate at the speed of light, the distance between the target and the radar can be calculated based on the time difference between the transmitted and received waves. Meanwhile, by analyzing other characteristics of the reflected waves, such as changes in frequency, amplitude, and phase, information about the target's direction, speed, shape, and material can also be obtained.

[0022] Components

[0023] Transmitter: The signal source of the radar system, it generates high-frequency electromagnetic wave signals. The performance indicators of the transmitter include transmission power, frequency, modulation mode, etc. Transmission power determines the detection range of the radar, while frequency affects the resolution and penetration ability of the radar. For example, higher frequency can provide higher resolution but relatively weaker penetration ability; lower frequency has stronger penetration ability but lower resolution. The transmitter usually uses oscillators, power amplifiers, and other electronic components to generate and amplify signals.

[0024] Antenna: Used for transmitting and receiving electromagnetic waves. There are various types of antennas, such as parabolic antennas, flat panel antennas, array antennas, etc. Different types of antennas have different characteristics and are suitable for different application scenarios. For example, parabolic antennas have high gain and narrow beam characteristics, making them suitable for long-distance detection. Flat panel antennas are small in size and easy to install, making them suitable for situations where space is limited. The performance parameters of antennas mainly include gain, beam width, polarization mode, etc. These parameters affect the detection range and signal reception quality of the radar.

[0025] Receiver: responsible for receiving the electromagnetic wave signal reflected by the target, and processing the signal such as amplification, filtering, demodulation, etc. The performance of the receiver directly affects the detection ability and anti-interference ability of the radar to weak signals. In the receiver, there are usually low-noise amplifiers, mixers, filters, detectors and other components. The low-noise amplifier is used to amplify the weak received signal while minimizing the introduced noise; the mixer is used to convert the frequency of the received signal to a suitable intermediate frequency range for subsequent signal processing; the filter is used to remove unwanted interference signals, and the detector is used to extract useful information in the signal.

[0026] Signal processing unit: performs complex mathematical operations and data processing on the output signal of the receiver, which includes pulse compression, moving target indication (MTI), synthetic aperture radar (SAR) imaging, etc. Pulse compression can improve the range resolution of the radar, MTI is used to distinguish moving targets from fixed targets, and SAR imaging can obtain two-dimensional or three-dimensional images of the target. The signal processing unit usually uses high-performance chips such as digital signal processors (DSP) or field programmable gate arrays (FPGA) to implement complex algorithms.

[0027] Display and control system: displays the processed radar information to the user in an intuitive way, such as displaying the distance, direction, speed, etc. of the target on the display, or displaying the image of the target. The control system is used to set and adjust the working parameters of the radar, such as transmission frequency, pulse repetition frequency, transmission power, etc. It can also operate the radar, such as starting, stopping, scanning mode selection, etc.

[0028] Elastic radar detection antenna is one of the key components of the radar system, which works on the principle of Doppler. It transmits microwave signals of fixed frequency and receives the microwave signals reflected by moving targets. The speed of the target is calculated based on the frequency difference between the signals. This antenna usually has the structure of a flat microstrip array antenna, with high working frequency, moderate beam width, long distance for speed measurement, fast reaction time, and small speed error.

[0029] In addition to speed measurement, elastic radar detection antenna can also be used to detect the position and direction of target objects. By transmitting and receiving electromagnetic waves, the antenna can obtain the distance, direction, etc. between the target and the electromagnetic wave transmission point, providing accurate detection data for the radar system. In addition, the performance and quality of the elastic radar detection antenna directly affect the measurement effect of the radar system.

[0030] Elastic radar detection antenna plays a crucial role in the radar system, with functions covering speed measurement, distance measurement, direction measurement, etc., providing strong support for the wide application of radar technology.

[0031] In the elastic radar detection process, the antenna needs accurate positioning to ensure the detection effect, and the clamp device can firmly fix the antenna in the predetermined position to prevent the antenna from shifting or shaking during the detection process.

[0032] Specifically, the clamp device for elastic radar detection antenna can fix and stabilize the antenna position, protect the antenna from external interference and damage, and facilitate the installation, disassembly and movement operation of the antenna.

[0033] In summary, the clamp device for elastic radar detection antenna is an indispensable important part of the radar detection system, which not only can improve the installation and testing efficiency of the radar antenna, but also can ensure the accuracy and reliability of the radar detection work.

[0034] Please refer to Figures 1-2 The utility model provides a kind of embodiment: the clamp device of elastic radar detection antenna, including antenna plate 1, metal reflector plate 2, clamping assembly, adjusting assembly, cylinder 5 and mounting plate 6, four groups are evenly distributed around antenna plate 1, the lower end of four groups of antenna plate 1 is fixedly installed with metal reflector plate 2, the end of four groups of antenna plate 1 away from each other is equipped with the clamping assembly for clamping fixed antenna plate 1, the lower end of four groups of clamping assembly is fixedly connected with the mounting plate 6 for installing fixed clamping assembly, the lower end of metal reflector plate 2 four corners is elastically connected with the upper end of mounting plate 6 by the four groups of cylinder 5 around setting, the upper end of mounting plate 6 four corners is equipped with the mounting hole 7 for installing fixed mounting plate 6.

[0035] Please refer to Figure 3 In the embodiment, the clamping assembly includes grab 301, mounting block 302, first drive motor 303 and buffer layer 304, the inner side of mounting block 302 is equipped with grab 301 for clamping antenna plate 1, grab 301 is rotatably connected with mounting block 302 by connecting shaft, one side of grab 301 for clamping antenna plate 1 is attached with buffer layer 304 for increasing friction and having certain elasticity, first drive motor 303 is equipped with output shaft, the output shaft of first drive motor 303 extends to the inner side and drives grab 301 to rotate by passing through the outer side of mounting block 302.

[0036] Please refer to Figure 4In the embodiment, the adjusting assembly includes a support column 401, a first connecting block 402, a second connecting block 403, a second drive motor 404, a third drive motor 405, a spring 406, and a damper 407. The upper and lower ends of the support column 401 are rotatably connected with the first connecting block 402 and the second connecting block 403 through connecting shafts, respectively. The outer side of the connection between the support column 401 and the first connecting block 402 is provided with the second drive motor 404. The outer side of the connection between the second connecting block 403 and the support column 401 is provided with the third drive motor 405. The lower end of the second connecting block 403 is fixedly connected with the spring 406. The inside of the spring 406 is provided with the damper 407 for assisting rebound. The second drive motor 404 and the third drive motor 405 are both provided with output shafts. The output shaft of the second drive motor 404 extends through the outer side of the support column 401 to the inside to drive the first connecting block 402 to rotate. The output shaft of the third drive motor 405 extends through the outer side of the second connecting block 403 to the inside to drive the support column 401 to rotate.

[0037] In operation, first, the device is placed in the corresponding position, and the mounting plate 6 is installed and fixed through the mounting holes 7 on the mounting plate 6.

[0038] Then, the edge side of the antenna plate 1 is clamped by the adjusting assembly in cooperation with the clamping assembly. The position of the grabber 301 is adjusted by the second drive motor 404 and the third drive motor 405 driving the first connecting block 402 and the second connecting block 403 to rotate, respectively. The grabber 301 is driven to rotate by the first drive motor 303, so that the grabber 301 clamps the edge side of the antenna plate 1. The buffer layer 304 on the inside of the grabber 301 is in contact with the surface of the antenna plate 1.

[0039] When the antenna plate 1 is subjected to external force during detection, the buffer layer 304 and the spring 406 are used for buffering and shock absorption, and the damper 407 assists the spring 406 to rebound. The air cylinder 5 at the lower end of the metal reflecting plate 2 cooperates with the buffer layer 304 and the spring 406 to buffer, thereby maintaining the stability of the overall structure and preventing the antenna plate 1 from being damaged or deviated by external force.

[0040] Through the above steps, by setting the clamping assembly and the adjusting assembly with the buffer structure, the vibration and impact received by the radar antenna during operation can be effectively absorbed and dispersed, thereby maintaining the stable position of the antenna and improving the stability of radar detection, thereby improving the accuracy of radar detection. By reducing the wear and tear of the antenna and its clamp caused by vibration and impact, the service life of the entire radar detection system can be prolonged, thereby solving the problem that the existing elastic radar detection antenna clamp device generally lacks effective buffer and shock absorption structure, so that the antenna is prone to positional deviation when subjected to external vibration and impact. During radar detection, the antenna may not be able to maintain a stable position, resulting in increased volatility of the detection results and affecting the detection effect.

Claims

1. A jig device for elastic radar detection antennas, comprising an antenna plate (1); characterized in that: It also includes a metal reflector plate (2), clamping assembly, adjusting assembly, air cylinder (5) and mounting plate (6), the antenna plate (1) is evenly arranged around four groups, the lower end of the four antenna plates (1) is fixedly installed with a metal reflector plate (2), the end of the four antenna plates (1) away from each other is provided with a clamping assembly for clamping the antenna plate (1), the lower end of the four clamping assemblies is fixedly connected with a mounting plate (6) for mounting and fixing the clamping assembly, the lower end of the metal reflector plate (2) is elastically connected with the upper end of the mounting plate (6) through the four air cylinders (5) arranged around, and the upper end of the mounting plate (6) is provided with mounting holes (7) for mounting and fixing the mounting plate (6) around the four corners.

2. The clamp device for a radar detection antenna according to claim 1, characterized in that: The clamping assembly comprises a gripper (301), a mounting block (302), a first drive motor (303) and a buffer layer (304), the inner side of the mounting block (302) is provided with a gripper (301) for clamping the antenna plate (1), the gripper (301) is rotatably connected with the mounting block (302) through a connecting shaft, and the side of the gripper (301) for clamping the antenna plate (1) is provided with a buffer layer (304) for increasing friction and having a certain elasticity.

3. The clamp device for a radar detection antenna according to claim 2, characterized in that: The first drive motor (303) is provided with an output shaft, and the output shaft of the first drive motor (303) extends through the outer side of the mounting block (302) to the inner side to drive the gripper (301) to rotate.

4. The clamp apparatus for a radar detection antenna of claim 1, wherein: The adjusting assembly comprises a support column (401), a first connecting block (402), a second connecting block (403), a second drive motor (404), a third drive motor (405), a spring (406) and a damper (407), the upper and lower ends of the support column (401) are rotatably connected with the first connecting block (402) and the second connecting block (403) through connecting shafts, the outer side of the connection between the support column (401) and the first connecting block (402) is provided with a second drive motor (404), and the outer side of the connection between the second connecting block (403) and the support column (401) is provided with a third drive motor (405).

5. The clamp device for a radar detection antenna according to claim 4, characterized in that: The lower end of the second connecting block (403) is fixedly connected with a spring (406), and the inside of the spring (406) is provided with a damper (407) for assisting rebound.

6. The clamp apparatus for a radar detection antenna of claim 4, wherein: The second drive motor (404) and the third drive motor (405) are both provided with output shafts.

7. The clamp apparatus for a radar detection antenna of claim 4, wherein: The output shaft of the second drive motor (404) extends through the outer side of the support column (401) to the inner side to drive the first connecting block (402) to rotate, and the output shaft of the third drive motor (405) extends through the outer side of the second connecting block (403) to the inner side to drive the support column (401) to rotate.

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