Radar electromagnetic environment test auxiliary device

Abstract

The utility model discloses a radar electromagnetic environment test auxiliary device, and belongs to the technical field of electromagnetic environment test. The radar electromagnetic environment test auxiliary device comprises a fixing seat, supporting legs are rotatably arranged on the fixing seat, an antenna is arranged on the fixing seat, the radar electromagnetic environment test auxiliary device further comprises a telescopic cylinder fixedly arranged on the fixing seat, a telescopic rod is arranged in the telescopic cylinder in a sliding mode, a mounting seat is fixedly arranged at the top of the telescopic rod, and the antenna is arranged on the mounting seat. A connecting seat is rotationally arranged on the mounting seat, and the antenna is detachably arranged on the connecting seat; a limiting assembly used for limiting sliding of the telescopic rod is arranged on the telescopic cylinder. According to the utility model, the telescopic rod is slidably arranged in the telescopic cylinder, so that the height of the antenna is convenient to adjust, and the connecting seat is rotatably arranged on the mounting seat, so that the antenna can be driven to rotate for testing, and the test range can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic environment testing, in particular to a radar electromagnetic environment testing auxiliary device. Background Art

[0002] Electromagnetic environment test equipment is usually used to evaluate the performance and reliability of radar systems under different electromagnetic environment conditions, which is an important step before radar site selection. Therefore, the electromagnetic environment around the radar site is usually tested.

[0003] After searching, the Chinese patent application number 201820462106.7 discloses a portable passive radar electromagnetic environment test device, which involves the field of radar detection technology for monitoring aerial targets, including a direct signal receiving channel, a target signal receiving channel, a frequency synthesizer and a memory, and the memory is provided with a data transmission interface for connecting a portable computer. The utility model is small in size and light in weight, easy to transport and deploy; it can measure the characteristic parameters of direct and multipath clutter, accurately predict the detection effect of passive radar in this environment, and is a powerful tool for selecting passive radar sites; the device greatly improves the efficiency of passive radar site selection, reduces workload and reduces costs.

[0004] During use, the existing test device is inconvenient to adjust the position and height of the test antenna, which affects the test results and test efficiency and is inconvenient to use. Utility Model Content

[0005] The utility model aims to solve the problem that the azimuth of the antenna in the prior art is inconvenient to adjust, and proposes a radar electromagnetic environment test auxiliary device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A radar electromagnetic environment test auxiliary device comprises a fixing seat, on which a support leg is rotatably provided, and an antenna is provided on the fixing seat, and further comprises: a telescopic cylinder fixedly provided on the fixing seat, wherein a telescopic rod is slidably provided in the telescopic cylinder, a mounting seat is fixedly provided on the top of the telescopic rod, a connecting seat is rotatably provided on the mounting seat, and the antenna is disassembled and provided on the connecting seat; a limit assembly for limiting the sliding of the telescopic rod is provided on the telescopic cylinder.

[0008] In order to prevent the telescopic rod from sliding during normal use, preferably, the limiting assembly includes a screw threadedly connected to the telescopic cylinder, wherein one end of the screw abuts against the telescopic rod, and the other end of the screw is fixedly provided with a knob.

[0009] In order to facilitate driving the antenna to rotate, preferably, a motor is fixedly arranged in the mounting seat, and the connecting seat is fixedly connected to the output end of the motor.

[0010] In order to ensure that the connecting seat can rotate reliably and prevent deflection, preferably, a rotation groove is provided on the mounting seat, and an arc block is fixedly provided on the connecting seat, and the arc block is slidably provided in the rotation groove.

[0011] Preferably, a rotating plate is fixedly provided on the connecting seat, an adapter plate is fixedly provided on the antenna, and the adapter plate is fixedly connected to the rotating plate by bolts.

[0012] Preferably, a sliding seat is slidably provided on the telescopic cylinder, a connecting rod is rotatably provided on the sliding seat, and one end of the connecting rod away from the sliding seat is rotatably connected to the supporting leg.

[0013] Compared with the prior art, the utility model provides a radar electromagnetic environment test auxiliary device, which has the following beneficial effects:

[0014] 1. The radar electromagnetic environment test auxiliary device is arranged in the telescopic tube by sliding the telescopic rod, so as to facilitate the adjustment of the height of the antenna. The connecting seat is rotated and arranged on the mounting seat, so that the antenna can be rotated for testing, which helps to increase the test range.

[0015] 2. The radar electromagnetic environment test auxiliary device has a rotating plate fixed on the connecting seat and an adapter plate fixed on the antenna. The adapter plate is fixed to the rotating plate with bolts. On the one hand, it is convenient for assembling and disassembling the antenna and improving the replacement or maintenance efficiency. On the other hand, the elevation angle of the antenna can be adjusted to improve the use effect.

[0016] The parts not involved in the device are the same as the prior art or can be implemented by the prior art. The utility model facilitates the adjustment of the height of the antenna by sliding the telescopic rod in the telescopic cylinder, and the connecting seat is rotatably set on the mounting seat, so the antenna can be rotated for testing, which helps to increase the test range. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a radar electromagnetic environment test auxiliary device proposed by the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of a radar electromagnetic environment test auxiliary device proposed by the utility model Figure 2 ;

[0019] Figure 3 A cross-sectional view of a radar electromagnetic environment test auxiliary device proposed by the utility model;

[0020] Figure 4 A radar electromagnetic environment test auxiliary device proposed by the utility model Figure 3 Enlarged view of part A.

[0021] In the figure: 1, fixed seat; 101, telescopic cylinder; 102, support leg; 2, telescopic rod; 201, mounting seat; 202, rotating groove; 3, connecting seat; 301, rotating plate; 302, arc block; 303, motor; 4, antenna; 401, adapter plate; 5, sliding seat; 501, connecting rod; 6, screw; 601, knob. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] Example:

[0025] Reference Figure 1-Figure 4 , a radar electromagnetic environment test auxiliary device, including a fixed seat 1, a support leg 102 is rotatably arranged on the fixed seat 1, the support leg 102 is arranged in two to six groups, here, we prefer three groups, and the three groups are evenly distributed along the circumference of the fixed seat 1, the bottom of the support leg 102 is conical, which can be inserted into the ground to improve the fixing effect, and an antenna 4 is arranged on the fixed seat 1, and also includes: a telescopic cylinder 101 is fixedly arranged on the fixed seat 1, wherein a telescopic rod 2 is slidably arranged in the telescopic cylinder 101, a mounting seat 201 is fixedly arranged on the top of the telescopic rod 2, a connecting seat 3 is rotatably arranged on the mounting seat 201, and the antenna 4 is disassembled and arranged on the connecting seat 3; a limit assembly for limiting the sliding of the telescopic rod 2 is arranged on the telescopic cylinder 101, and when in use, the antenna 4 can be rotated by driving the connecting seat 3 to increase the test range.

[0026] When in use, the telescopic rod 2 is slidably set in the telescopic cylinder 101, so as to facilitate the adjustment of the height of the antenna 4, and the connecting seat 3 is rotatably set on the mounting seat 201, so as to be able to rotate with the antenna 4 for testing, which helps to increase the test range; by fixing a rotating plate 301 on the connecting seat 3, and fixing an adapter plate 401 on the antenna 4, and fixing the adapter plate 401 on the rotating plate 301 with bolts, on the one hand, it is convenient to assemble and disassemble the antenna 4, and improve the efficiency of replacement or maintenance, and on the other hand, the elevation angle of the antenna 4 can be adjusted to improve the use effect.

[0027] Reference Figure 1 and Figure 3 The limit assembly can use buckles, elastic pins, etc. to limit the sliding of the telescopic rod 2. Here, we design the limit assembly as follows: a screw rod 6 is threadedly connected to the telescopic cylinder 101, wherein the screw rod 6 is provided with two to six groups, preferably three groups, which can improve the fixing effect of the telescopic rod 2, and one end of the three groups of screw rods 6 is respectively abutted against the telescopic rod 2, and knobs 601 are respectively fixed on the other ends of the three groups of screw rods 6. When in use, the screw rod 6 is rotated by the knob 601, so that the end of the screw 6 away from the knob 601 is abutted against the telescopic rod 2, which can limit the sliding of the telescopic rod 2, improve the fixing effect, and prevent the telescopic rod 2 from sliding during use, affecting normal use.

[0028] Reference Figure 3 and Figure 4 A motor 303 is fixedly arranged in the mounting base 201, and the connecting base 3 is fixedly connected to the output end of the motor 303. When in use, the connecting base 3 is rotated by starting the motor 303, so as to drive the antenna 4 to rotate and improve the test range.

[0029] Reference Figure 3 and Figure 4 A rotating groove 202 is provided on the mounting seat 201, and an arc block 302 is fixedly provided on the connecting seat 3. The arc block 302 has a T-shaped structure, and there are two to six groups of arc blocks 302, preferably two groups, and the two groups are symmetrically arranged. The arc block 302 is slidably set in the rotating groove 202. When in use, by providing a rotating groove 202 on the mounting seat 201 and fixing the arc block 302 on the connecting seat 3, the connecting seat 3 can be prevented from being deflected during the rotation process, thereby affecting normal work.

[0030] Reference Figure 2 and Figure 3 A rotating plate 301 is fixedly provided on the connecting base 3, and an adapter plate 401 is fixedly provided on the antenna 4. The adapter plate 401 is fixedly connected to the rotating plate 301 by bolts. When in use, by fixing the adapter plate 401 to the rotating plate 301 by bolts, it is convenient for assembling and disassembling the antenna 4 on the one hand, and it is convenient for adjusting the elevation angle of the antenna 4 on the other hand, thereby further improving the test range.

[0031] Reference Figure 1-Figure 3 A sliding seat 5 is slidably arranged on the telescopic cylinder 101, and a connecting rod 501 is rotatably arranged on the sliding seat 5. Two to six groups of connecting rods 501 are arranged, preferably three groups, and the three groups are evenly distributed along the circumferential direction of the sliding seat 5. The ends of the three groups of connecting rods 501 away from the sliding seat 5 are rotatably connected to the corresponding supporting legs 102 respectively, and an adjusting rod is threadedly connected to the sliding seat 5. When one end of the adjusting rod is abutted against the telescopic cylinder 101, the sliding of the sliding seat 5 can be limited, and the fixing effect of the supporting legs 102 can be improved.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A radar electromagnetic environment test auxiliary device, comprising a fixing base (1), a support leg (102) being rotatably arranged on the fixing base (1), and an antenna (4) being arranged on the fixing base (1), characterized in that: Also includes: a telescopic cylinder (101) fixedly arranged on the fixing seat (1), A telescopic rod (2) is slidably arranged in the telescopic cylinder (101), a mounting seat (201) is fixedly arranged on the top of the telescopic rod (2), a connecting seat (3) is rotatably arranged on the mounting seat (201), and the antenna (4) is detachably arranged on the connecting seat (3); The telescopic cylinder (101) is provided with a limiting component for limiting the sliding of the telescopic rod (2).

2. A radar electromagnetic environment test auxiliary device according to claim 1, characterized in that: The limiting component includes A screw rod (6) threadedly connected to the telescopic cylinder (101), One end of the screw rod (6) abuts against the telescopic rod (2), and the other end of the screw rod (6) is fixedly provided with a knob (601).

3. The radar electromagnetic environment test auxiliary device according to claim 1, characterized in that: A motor (303) is fixedly arranged inside the mounting seat (201), and the connecting seat (3) is fixedly connected to the output end of the motor (303).

4. The radar electromagnetic environment test auxiliary device according to claim 1, characterized in that: The mounting seat (201) is provided with a rotation groove (202), and the connecting seat (3) is fixedly provided with an arc block (302), and the arc block (302) is slidably arranged in the rotation groove (202).

5. The radar electromagnetic environment test auxiliary device according to claim 1, characterized in that: A rotating plate (301) is fixedly arranged on the connection seat (3), an adapter plate (401) is fixedly arranged on the antenna (4), and the adapter plate (401) is fixedly connected to the rotating plate (301) by means of bolts.

6. The radar electromagnetic environment test auxiliary device according to claim 1, characterized in that: A sliding seat (5) is slidably arranged on the telescopic cylinder (101), a connecting rod (501) is rotatably arranged on the sliding seat (5), and one end of the connecting rod (501) away from the sliding seat (5) is rotatably connected to the supporting leg (102).

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