CN210465501U

CN210465501U - Simple antenna angle adjustable testing device

Info

Publication number: CN210465501U
Application number: CN201921382959.0U
Authority: CN
Inventors: 蔡正兵; 裘浩辉
Original assignee: Hangzhou Taiding Detection Technology Co ltd
Current assignee: Hangzhou Taiding Detection Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-05
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a, plain type antenna angularly adjustable testing arrangement relates to electromagnetic detection technical field, including the antenna tower that has the lift mast, fixed mounting has antenna boom on the mast, antenna boom's front end is provided with rotary platform, fixed mounting has the antenna on the rotary platform. The utility model has the advantages of reasonable design, it is main to be that test ANSI C63.4 standard in the test frequency channel electromagnetic radiation disturbance test more than 1GHz, the antenna field angle carries out 0 ~ 50 rotation when realizing the translation of antenna vertical direction, keeps the radiation source of testee to be covered by the theta 3dB lobe of antenna all the time. The whole device is simple to operate, simple in design and low in cost, brings convenience to detection tests, and has certain practical value and is popularized.

Description

Simple antenna angle adjustable testing device

Technical Field

The utility model relates to an electromagnetic detection technical field, in particular to plain type antenna angle adjustable testing arrangement.

Background

In the existing electromagnetic radiation disturbance test, common standards such as EN 55032, GB 9254 and the like require that in the electromagnetic radiation disturbance test of frequency bands above 1GHz, the horn antenna is horizontally angled to face to the tested equipment in the whole process of testing the heights of antenna towers of 1m, 2m, 3m and 4m, and the test is carried out by rotating 360 degrees, however, in the ANSI C63.4 standard, the antenna needs to be translated in the vertical direction and simultaneously rotate 0-50 degrees to the opening angle of the antenna, so that the radiation source of the tested object is always covered by theta 3dB lobe of the antenna.

At present, no testing device with wider applicability exists in the market, particularly for the electromagnetic radiation disturbance test of ANSI C63.4 standard, most testing mechanisms adopt a method of disassembling and reassembling to change the state of an antenna or directly adjust an antenna tower (such as adjusting the installation angle of the antenna tower), and because the structure of the antenna tower is complicated and the installation is not very convenient every time, the two methods have lower efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plain type antenna angle adjustable testing arrangement.

The technical scheme of the utility model: the simple antenna angle-adjustable testing device comprises an antenna tower with a lifting mast, wherein an antenna support is fixedly mounted on the mast, a rotating platform is arranged at the front end of the antenna support, and an antenna is fixedly mounted on the rotating platform.

In the simple test device with the adjustable antenna angle, the carrier is fixedly mounted in the middle of the antenna support, and the end surface of the carrier is provided with the mounting position.

In the simple antenna angle-adjustable testing device, the tail end of the antenna support is fixedly connected with the mounting seat, the mounting seat is of a cylindrical structure, and the mounting groove is formed in the side face of the mounting seat.

In the aforesaid plain type antenna angularly adjustable testing arrangement, rotary platform's bottom surface fixedly connected with extends the seat, it is articulated with the antenna boom to extend the seat, and articulated department is connected with the locking structure.

In the simple antenna angle adjustable testing arrangement of the aforesaid, the lateral surface axial of extension seat is gone up fixed mounting and is had the pointer, be provided with the angle calibrated scale on the antenna boom, the angle calibrated scale is located the direction that the pointer instructed.

In the aforesaid plain type antenna angularly adjustable testing arrangement, be provided with antenna mounting structure on the rotary platform, antenna mounting structure includes two at least screws, the screw rod articulates on rotary platform, the fixed cup joint has the ring piece on the screw rod, threaded connection has calliper on the screw rod, calliper is located the outside of trading the piece.

Compared with the prior art, the utility model has the advantages of reasonable design, it is the test that frequency channel electromagnetic radiation harasses more than 1GHz in the test ANSI C63.4 standard mainly to be directed to, the antenna field angle carries out 0 ~ 50 rotation when realizing the translation of antenna vertical direction, keeps the radiation source of testee to be covered by the theta 3dB lobe of antenna all the time.

The whole device is simple to operate, simple in design and low in cost, brings convenience to detection tests, and has certain practical value and popularization prospect.

Drawings

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

FIG. 2 is a schematic view of the installation structure of the pointer of the present invention;

fig. 3 is a schematic diagram of the present invention applied to detection.

In the figure: 1-an antenna mount; 2-mounting a base; 3-carrying platform; 4-a hinged seat; 41-locking handle; 42-dial scale; 5-rotating the platform; 51-an extension base; 511-pointer; 52-a screw; 53-ring segments; 54-a caliper; 6-test bench.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): the simplified antenna angle adjustable test apparatus, as shown in fig. 1-3, includes an antenna tower 6 with a lifting mast, and the antenna tower 6 may be a commercially available pneumatic/hydraulic lifting antenna tower.

And an antenna bracket 1 is fixedly arranged on the mast.

The middle part of the antenna support 1 is fixedly provided with a carrying platform 3, and the end face of the carrying platform 3 is provided with a mounting position which can be used for fixedly mounting a signal method device required during testing.

Referring to fig. 1, the front end of the antenna mount 1 is provided with a rotating platform 5. The bottom surface of the rotating platform 5 is fixedly connected with an extension seat 51, and the extension seat 51 is hinged with the antenna bracket 1. Specifically, the hinged seat 4 is fixedly connected to one end of the antenna bracket close to the rotating platform 5, and concentric hinge holes are formed in the hinged seat 4 and the extending seat 51.

The hinge shaft is inserted into the hinge holes of the hinge base 4 and the extension base 51 during installation, and the state after installation is shown in fig. 1. In addition, one end of the hinge shaft extends out of the extension seat 51, and a thread structure is arranged outside the hinge shaft, and the lock handle 41 is connected with the thread structure, and the lock handle 41 is a locking mechanism of the hinge structure. When rotated to a proper angle, the locking handle 41 is rotated to tightly press the extension seat 51 against the hinge seat 4 for fixing.

The outer side surface of the extension seat 51 is axially and fixedly provided with a pointer 511, the antenna bracket 1 is provided with an angle dial 42, and the angle dial 42 is positioned in the direction indicated by the pointer 511. The angle dial 42 serves as a reference for determining the angle of rotation

And an antenna is fixedly arranged on the rotating platform 5. Referring to fig. 1, an antenna mounting structure is arranged on the rotary platform 5, the antenna mounting structure includes at least two screws 52, the screws 52 are hinged to the rotary platform 5, a ring piece 53 is fixedly sleeved on the screws 52, a caliper 54 is connected to the screws 52 in a threaded manner, and the caliper 54 is located on the outer side of the ring piece 53. When the antenna is specifically installed, the tail end of the antenna is preset at a position between the ring piece 53 and the caliper 54, and then the caliper 54 is rotated to finally tightly fix the tail end of the antenna on the replacement piece 53.

Referring to fig. 3, in the test process, when the height is 1m, the antenna is in a horizontal position, and the tested device is in the coverage range of the antenna lobe without changing the angle; when the height is 2m, the antenna needs to be inclined downwards by 10-20 degrees, at the moment, the angle adjustment is completed through the rotating platform 5, so that the purpose that the 3dB lobe of the antenna covers the equipment to be tested is achieved, and the testing method meets the standard requirement of ANSIC 63.4; when the height is 3m, the antenna needs to be inclined downwards for 20-30 degrees; when the height is 4m, the antenna needs to be inclined downwards by 30-40 degrees.

θ 3dB is the minimum 3dB lobe angle of the electric and magnetic fields, and the calculation formula is W ═ 2dtan (0.5 θ 3dB), where d: and (6) testing the distance. Receiving a horizontal distance from an effective point of an antenna to the outermost periphery of one rotation of the EUT; w: the value of w can be calculated by a formula according to the vertical dimension of the antenna 3dB lobe angle at the EUT under the condition of testing the distance d.

Claims

1. Plain type antenna angle adjustable testing arrangement, its characterized in that: the antenna tower comprises an antenna tower (6) with a lifting mast, wherein an antenna support (1) is fixedly mounted on the mast, a rotating platform (5) is arranged at the front end of the antenna support (1), and an antenna is fixedly mounted on the rotating platform (5).

2. The testing device for the angle-adjustable simple antenna according to claim 1, wherein: the antenna support is characterized in that a carrier (3) is fixedly mounted in the middle of the antenna support (1), and a mounting position is arranged on the end face of the carrier (3).

3. The testing device for the angle-adjustable simple antenna according to claim 1, wherein: the antenna support is characterized in that the tail end of the antenna support (1) is fixedly connected with a mounting seat (2), the mounting seat (2) is of a cylindrical structure, and a mounting groove (21) is formed in the side face of the mounting seat (2).

4. The testing device for the angle-adjustable simple antenna according to claim 1 or 3, wherein: the bottom surface fixedly connected with of rotary platform (5) extends seat (51), it is articulated with antenna boom (1) to extend seat (51), and articulated department is connected with locking structure.

5. The testing device for the angle-adjustable simple antenna according to claim 4, wherein: the antenna support is characterized in that a pointer (511) is fixedly mounted on the axial direction of the outer side face of the extension seat (51), an angle dial (42) is arranged on the antenna support (1), and the angle dial (42) is located in the direction indicated by the pointer (511).

6. The testing device for the angle-adjustable simple antenna according to claim 1 or 5, wherein: be provided with antenna mounting structure on rotary platform (5), antenna mounting structure includes screw rod (52) of at least two, screw rod (52) articulate on rotary platform (5), the fixed coupling has ring piece (53) on screw rod (52), threaded connection has calliper (54) on screw rod (52), calliper (54) are located the outside of ring piece (53).