CN208336475U - A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item - Google Patents

A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item Download PDF

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Publication number
CN208336475U
CN208336475U CN201820510037.2U CN201820510037U CN208336475U CN 208336475 U CN208336475 U CN 208336475U CN 201820510037 U CN201820510037 U CN 201820510037U CN 208336475 U CN208336475 U CN 208336475U
Authority
CN
China
Prior art keywords
bracket
electromagnetic
height adjustment
main frame
test item
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820510037.2U
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Chinese (zh)
Inventor
陈鑫
徐亮
胥朋
陈琦
杨春
李波
叶建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Electronic Engineering of CAEP
Original Assignee
Institute of Electronic Engineering of CAEP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Electronic Engineering of CAEP filed Critical Institute of Electronic Engineering of CAEP
Priority to CN201820510037.2U priority Critical patent/CN208336475U/en
Application granted granted Critical
Publication of CN208336475U publication Critical patent/CN208336475U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of antenna holders applied to electromagnetic compatibility electromagnetic radiation test item, including azimuth bin and main frame, bracket is adjusted by height adjustment screw rod mounting height on main frame, height adjusts on bracket through Level tune synchronous belt and the bracket of Level tune synchronous pulley installation carrying mutiple antennas;It is adjusted by the up and down motion that height adjustment driving motor controls height adjustment bracket with the height distance for realizing antenna, the horizontal direction by moving horizontally driving motor control bracket is mobile to be adjusted with the horizontal position for realizing antenna;All antennas are both secured on bracket by synchronous belt matched in rotary box and synchronous pulley electromagnetic horn can be linked on the rotary boxes of 90 ° of rotations;For the utility model is with respect to tripod mode, all antennas and power amplifier cabinet are an entirety, occupy darkroom space and reduce;It is linked by control, the polarization replaced antenna automatically, change all antennas may be implemented, save test period.

Description

A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item
Technical field
The utility model belongs to EMC test technology, specifically a kind of to be applied to electromagnetic compatibility electromagnetic radiation test item Purpose antenna holder is particularly suitable for RS103 test item in GJB151B-2013.
Background technique
In carrying out GJB151B-2013 when the electric field radiation test of RS103 test item (1GHz~40GHz), need to make It is both needed to several electromagnetic horns and each antenna for using a tripod support, it is desirable that corresponding tranmitting frequency when test Antenna face be devices under i.e. EUT, therefore be required to after one frequency band of every test the antenna of next frequency range is mobile To the front of EUT, and to measure an Antenna aperture and ensure within the scope of 1 × (1 ± 5%) m at a distance from EUT leading edge.
It is all tester in test but in existing test process, the door for frequently opening darkroom removes replacement antenna With the polarization of antenna, the time and efforts of tester is greatly wasted, so needing to design a kind of effective antenna holder, just In installation mutiple antennas, and the required antenna used can be replaced at any time.
Utility model content
The utility model provides a kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item, the antenna branch Frame is tested especially suitable for RS103, easy to operate, can be convenient antenna in realizing the requirement of the distance between antenna and EUT, testing Automatic switchover and antenna polarization automatic change, overcome in the past frequently enter darkroom replacement antenna, change antenna pole The deficiency of change realizes the mouth face of all antennas both perpendicular to test specimen by specifically rotating box structure.
The technical solution of the utility model is as follows:
A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item, which is characterized in that include at least:
One azimuth bin is provided with the rotating mechanism with main frame rotation for installing main frame;
One main frame is located at azimuth bin upper end, is equipped with height adjustment screw rod in longitudinal center, is driven by rotating mechanism with height Degree adjusts screw rod as axis rotation, and rotatable angular range designs as the case may be;
One height adjustment bracket, the front of main frame is installed on by height adjustment screw rod, by height adjustment driving motor control The up and down motion of system height adjustment bracket is adjusted with the height distance for realizing electromagnetic horn;Height adjustment driving motor is installed on height Degree is adjusted at the top of screw rod;
One bracket is installed on the front that height adjusts bracket by Level tune synchronous belt and Level tune synchronous pulley On;Several electromagnetic horns are installed in a row on the bracket, the horizontal direction by moving horizontally driving motor control bracket is moved It is dynamic to be adjusted with the horizontal position for realizing electromagnetic horn;The driving motor Matching installation that moves horizontally has bevel gear set one, pacifies The back side of bracket is adjusted loaded on height;
The electromagnetic horn pass through horn bracket be fixed on can 90 ° rotation rotary boxes on, by electromagnetic horn rotation The synchronous pulley that shaft is placed through rotary box is fixed on bracket;Meanwhile in rotary box, by matched synchronous belt with it is synchronous Belt wheel makes electromagnetic horn link.
The bracket is fixed on Level tune synchronous belt by synchronous belt clip.
Matched driving motor and bevel gear set two are installed, driving motor drives work on the bracket.
The rotating mechanism of the azimuth bin includes the gear for being located at the intracorporal a pair of meshing of box shell, including master gear and secondary tooth It takes turns, tapered roller bearing is installed among master gear, Matching installation has the rotary gland for installing main frame, secondary tooth on master gear Locking gland is provided on wheel;One end triangular shape of the rotary gland towards locking gland, the angle of direction locking gland It is arc-shaped, an angle indicator is provided with above rotary gland triangle, the angle that angle indicator is directed toward on locking gland is carved Degree, when convenient for rotating integrally, the angle of observation and adjustment rotation.
The locking gland upper end is provided with rotating handles, is equipped with locking nut on rotating handles, is rotated by rotation Handle drives pinion rotation, drives master gear rotation, to realize the electromagnetic horn rotation on main frame and main frame.
More than two electromagnetic horns can be integrated on a main frame by the utility model, and all electromagnetic horns are in a word Arrangement, Antenna aperture are on the same vertical plane, realize that the polarization of all electromagnetic horns changes simultaneously by linkage.
The utility model is achieved to be had the beneficial effect that:
(1) all antennas can be mounted on main frame by the utility model, for opposite tripod mounting means, institute Antenna and power amplifier cabinet are an entirety, and the space for occupying darkroom reduces, therefore the placement of darkroom space may be implemented Neatly;
(2) by control linkage, the polarization replaced antenna automatically, change all antennas may be implemented, save test period.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model main frame.
Fig. 2 is the structure schematic diagram of the utility model main frame.
Fig. 3 is the installation of the utility model antenna and the structural schematic diagram on bracket.
Fig. 4 is the structural schematic diagram of the utility model azimuth bin.
Fig. 5 is the electrical system architecture block diagram of the utility model.
Fig. 6 is the implementation structural schematic diagram of the utility model.
Wherein, appended drawing reference are as follows: 1 azimuth bin, 2 main frames, 3 height adjustment screw rods, 4 height adjustment brackets, 5 height adjustments are driven Dynamic motor, 6 brackets, 7 electromagnetic horns, 8 Level tune synchronous belts, 9 Level tune synchronous pulleys, 10 move horizontally driving motor, 11 bevel gear sets one, 12 synchronous belt clips, 13 driving motors, 14 bevel gear sets two, 15 rotary boxes, 16 synchronous belts, 17 synchronous belts Wheel, 18 electromagnetic horn rotary shafts, 19 horn brackets, 20 tank shells, 21 master gears, 22 pinions, 23 tapered roller bearings, 24 rotations Turn gland, 25 angle indicators, 26 locking glands, 27 rotating handles, 28 locking nuts, 29 platforms, 30 test cabinets.
Specific embodiment
The antenna holder applied to electromagnetic compatibility electromagnetic radiation test item of the utility model specific implementation design, at least Include:
One azimuth bin 1 is provided with the rotating mechanism rotated with main frame 2 for installing main frame 2.The rotation of the azimuth bin 1 Mechanism includes the gear of a pair of meshing in tank shell 20, including master gear 21 and pinion 22, is pacified among master gear 21 Equipped with tapered roller bearing 23, Matching installation has the rotary gland 24 for installing main frame 2 on master gear 21, sets on pinion 22 It is equipped with locking gland 26;The rotary gland 24 is towards one end triangular shape for locking gland 26, towards locking gland 26 Angle is arc-shaped, and an angle indicator 25 is provided with above 24 triangle of rotary gland, and angle indicator 25 is directed toward locking gland 26 On angle index, convenient for rotate integrally when, observation and adjustment rotation angle.26 upper end of locking gland is provided with rotation Handle 27 is equipped with locking nut 28 on rotating handles 27, passes through rotation rotating handles 27 and pinion 22 is driven to rotate, drive master Gear 21 rotates, to realize that the electromagnetic horn 7 on main frame 2 and main frame 2 rotates.
As shown in Figs. 1-2, a main frame 2 is located at 1 upper end of azimuth bin, is equipped with height adjustment screw rod 3 in longitudinal center, by Rotating mechanism drives with height adjustment screw rod 3 as axis rotation, and rotatable angular range designs as the case may be;One height is adjusted Whole bracket 4, the front of main frame 2 is installed on by height adjustment screw rod 3, controls height adjustment branch by height adjustment driving motor 5 The up and down motion of frame 4 is adjusted with the height distance for realizing electromagnetic horn 7;Height adjustment driving motor 5 is installed on height adjustment silk 3 top of bar.
As shown in figure 3, a bracket 6, is installed on height by Level tune synchronous belt 8 and Level tune synchronous pulley 9 and adjusts On the front of whole bracket 4;Five electromagnetic horns 7 are installed in a row on the bracket 6, by moving horizontally the control support of driving motor 10 The horizontal direction of frame 6 is mobile to be adjusted with the horizontal position for realizing electromagnetic horn 7;It is described to move horizontally 10 Matching installation of driving motor There is bevel gear set 1, is mounted on the back side that height adjusts bracket 4;The bracket 6 is fixed on water by synchronous belt clip 12 On Heibei provincial opera section synchronous belt 8.Matched driving motor 13 and bevel gear set 2 14 are installed, driving motor 13 drives on the bracket 6 It starts building to make.
The electromagnetic horn 7 by horn bracket 19 be fixed on can 90 ° rotation rotary boxes 15 on, pass through loudspeaker day The synchronous pulley 17 that line rotary shaft 18 is placed through rotary box 15 is fixed on bracket 6;Meanwhile in rotary box 15, pass through matching Synchronous belt 16 and synchronous pulley 17 make electromagnetic horn 7 link.
As shown in figure 5, the utility model is installed on the platform 29 with universal wheel of power amplifier cabinet, on platform 29 There is test cabinet 30, there are five 7 integrated installations of electromagnetic horn on bracket 6 for design, and all electromagnetic horns 7 are inline, and two Two are socketed by synchronous belt and synchronous pulley, and the Antenna aperture of all antennas is on the same vertical plane, and azimuth bin 1 can drive The angular range of main frame rotation may be designed as 0-20 °.As shown in figure 4, the utility model can be controlled by PLC, motor servo Control system controls corresponding sensor, motor work, realizes five 90 ° of rotations, the entirety electromagnetic horns of five electromagnetic horns 7 The distance between 7 horizontal direction translation, the platform 29 of whole five electromagnetic horns 7 are adjusted, and are passed through linkage and are realized all loudspeakers The polarization of antenna 7 changes simultaneously.

Claims (7)

1. a kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item, which is characterized in that include at least:
One azimuth bin (1) is provided with the rotating mechanism with main frame (2) rotation for installing main frame (2);
One main frame (2) is located at azimuth bin (1) upper end, height adjustment screw rod (3) is equipped in longitudinal center, by rotating mechanism band Moving with height adjustment screw rod (3) is axis rotation;
One height adjustment bracket (4), the front of main frame (2) is installed on by height adjustment screw rod (3), drives electricity by height adjustment The up and down motion of machine (5) control height adjustment bracket (4) is adjusted with the height distance for realizing electromagnetic horn (7);
One bracket (6) is installed on height adjustment bracket (4) by Level tune synchronous belt (8) and Level tune synchronous pulley (9) Front on;Several electromagnetic horns (7) are installed in a row on the bracket (6), by moving horizontally driving motor (10) control The horizontal direction of bracket (6) is mobile to be adjusted with the horizontal position for realizing electromagnetic horn (7);
The electromagnetic horn (7) by horn bracket (19) be fixed on can 90 ° rotation rotary boxes (15) on, pass through loudspeaker The synchronous pulley (17) that antenna rotary shaft (18) is placed through rotary box (15) is fixed on bracket (6);Meanwhile rotary box (15) It is interior, by matched synchronous belt (16) and synchronous pulley (17) electromagnetic horn (7) are linked.
2. the antenna holder according to claim 1 applied to electromagnetic compatibility electromagnetic radiation test item, it is characterised in that: The bracket (6) is fixed on Level tune synchronous belt (8) by synchronous belt clip (12).
3. the antenna holder according to claim 1 applied to electromagnetic compatibility electromagnetic radiation test item, it is characterised in that: Matched driving motor (13) and bevel gear set two (14) are installed, the driving motor (13) drives work on the bracket (6) Make.
4. the antenna holder according to claim 1 applied to electromagnetic compatibility electromagnetic radiation test item, it is characterised in that: The rotating mechanism of the azimuth bin (1) includes the gear of a pair of meshing in tank shell (20), including master gear (21) and Pinion (22), master gear (21) is intermediate to be equipped with tapered roller bearing (23), there is for pacifying Matching installation on master gear (21) The rotary gland (24) of main frame (2) is filled, locking gland (26) is provided on pinion (22);Rotary gland (24) the direction lock One end triangular shape of gland (26) is arc-shaped, rotary gland (24) triangle towards the angle of locking gland (26) It is provided with above an angle indicator (25), angle indicator (25) is directed toward the angle index in locking gland (26).
5. the antenna holder according to claim 4 applied to electromagnetic compatibility electromagnetic radiation test item, it is characterised in that: Locking gland (26) upper end is provided with rotating handles (27), is equipped on rotating handles (27) locking nut (28), rotation Rotating handles (27) drive pinion (22) rotation, and pinion (22) engagement drives master gear (21) rotation, to drive main frame (2) electromagnetic horn (7) rotation and on main frame (2).
6. the antenna holder according to claim 1 applied to electromagnetic compatibility electromagnetic radiation test item, it is characterised in that: The height adjustment driving motor (5) is installed at the top of height adjustment screw rod (3).
7. the antenna holder according to claim 1 applied to electromagnetic compatibility electromagnetic radiation test item, it is characterised in that: Described driving motor (10) Matching installation that moves horizontally has bevel gear set one (11), is mounted on the back that height adjusts bracket (4) Face.
CN201820510037.2U 2018-04-11 2018-04-11 A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item Expired - Fee Related CN208336475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820510037.2U CN208336475U (en) 2018-04-11 2018-04-11 A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820510037.2U CN208336475U (en) 2018-04-11 2018-04-11 A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item

Publications (1)

Publication Number Publication Date
CN208336475U true CN208336475U (en) 2019-01-04

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ID=64780887

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820510037.2U Expired - Fee Related CN208336475U (en) 2018-04-11 2018-04-11 A kind of antenna holder applied to electromagnetic compatibility electromagnetic radiation test item

Country Status (1)

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CN (1) CN208336475U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113899961A (en) * 2021-07-16 2022-01-07 厦门大学 Automatic testing device and testing method for electrostatic discharge of liquid crystal display panel
KR20220026078A (en) * 2020-08-25 2022-03-04 주식회사 티에이엔지니어링 Antenna masts and mesurement system of unnecessary electromagnetic wave using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220026078A (en) * 2020-08-25 2022-03-04 주식회사 티에이엔지니어링 Antenna masts and mesurement system of unnecessary electromagnetic wave using the same
KR102391223B1 (en) * 2020-08-25 2022-04-27 주식회사 티에이엔지니어링 Antenna masts and mesurement system of unnecessary electromagnetic wave using the same
CN113899961A (en) * 2021-07-16 2022-01-07 厦门大学 Automatic testing device and testing method for electrostatic discharge of liquid crystal display panel

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190104

Termination date: 20210411