CN219320394U

CN219320394U - Antenna OTA test microwave darkroom

Info

Publication number: CN219320394U
Application number: CN202320195507.1U
Authority: CN
Inventors: 高桥康; 魏尧
Original assignee: Tongbiao Standard Technical Services Suzhou Co ltd
Current assignee: Tongbiao Standard Technical Services Suzhou Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-07
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses an antenna OTA test microwave darkroom, relates to the technical field of OTA test microwave darkroom structures, and aims to solve the problems that an existing antenna OTA test microwave darkroom needs to be assembled and installed when being used, so that gaps are easy to appear at assembling positions after the antenna OTA test microwave darkroom is used for multiple times, and the sealing performance of the antenna OTA test microwave darkroom is poor. The utility model discloses a microwave oven, including microwave darkroom, electric device case, support base, fixed plate, test chamber, sound insulation groove, mounting groove, fixed plate, wave absorbing device, etc. the support base is installed to the below of microwave darkroom case, the movable wheel is installed to the below of support base, electric device case is all installed to the both sides of microwave darkroom upper end, the antiskid supporting legs is installed to the below of electric device case, the reinforcing support seat is installed to the both sides of microwave darkroom outer wall, the inside of microwave darkroom case is provided with the test chamber, the inside of microwave darkroom inner wall is provided with the sound insulation groove, the one end of microwave darkroom inner wall is provided with the mounting groove, the internally mounted of mounting groove has the fixed plate, the one end of fixed plate is provided with the wave absorbing device.

Description

Antenna OTA test microwave darkroom

Technical Field

The utility model relates to the technical field of OTA test microwave darkroom structures, in particular to an antenna OTA test microwave darkroom.

Background

The OTA test is a test in the aspect of the radiation performance of the whole machine, so that the test is usually carried out in a microwave darkroom, external electromagnetic interference can be conveniently eliminated through the microwave darkroom, the microwave darkroom is a special room of a wave absorbing material and metal shielding body assembly, the special room provides artificial open free conditions, and when electromagnetic waves are incident on a wall surface, a ceiling and the ground, most of the electromagnetic waves are absorbed and projected and reflected very little, so that the antenna OTA test can be carried out in the microwave darkroom to avoid clutter interference, and the test precision and efficiency of tested equipment are improved.

The Chinese patent grant bulletin No. CN212773654, grant bulletin No. 2021, no. 03, 23, a microwave darkroom assembly structure comprises a darkroom body, wherein a wave absorbing material layer is arranged on the inner wall of the darkroom body, the darkroom body comprises a plurality of mutually connected module units, each module unit comprises a plate body, the periphery of the edge of each plate body is bent to form a first connecting plate vertical to the plate body, and one end of each first connecting plate far away from the plate body is bent inwards to form a second connecting plate parallel to the plate body; corresponding first connecting plates of two adjacent module units positioned in the same plane are connected with each other through first bolts, and for two adjacent module units respectively positioned in two mutually perpendicular planes, the first connecting plate of one module unit is connected with the second connecting plate of the other module unit through second bolts; a shielding gasket is tightly clamped between the connecting surfaces of two adjacent module units. The shielding performance of the joint of two adjacent modules is improved.

However, the existing antenna OTA test microwave darkroom needs to be assembled and installed when being used, so that after multiple times of use, gaps are easy to appear at assembling positions, and the sealing performance of the antenna OTA test microwave darkroom is poor, so that the use effect of the antenna OTA test microwave darkroom is affected, and therefore an antenna OTA test microwave darkroom is urgently needed in the market to solve the problems.

Disclosure of Invention

The utility model aims to provide an antenna OTA test microwave darkroom, which aims to solve the problems that the prior antenna OTA test microwave darkroom provided in the background art needs to be assembled and installed when being used, so that gaps are easy to appear at assembling positions after the antenna OTA test microwave darkroom is used for a plurality of times, the sealing performance of the antenna OTA test microwave darkroom is poor, and the using effect of the antenna OTA test microwave darkroom is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antenna OTA test microwave darkroom, includes the microwave darkroom case, the support base is installed to the below of microwave darkroom case, the removal wheel is installed to the below of support base, electric device case is all installed to the both sides of microwave darkroom case upper end, the antiskid supporting legs is installed to the below of electric device case, the enhancement supporting seat is installed to the both sides of microwave darkroom outer wall, the inside of microwave darkroom case is provided with the test chamber, the inside of microwave darkroom inner wall is provided with the sound insulation groove, the one end of microwave darkroom inner wall is provided with the mounting groove, the internally mounted of mounting groove has the fixed plate, the one end of fixed plate is provided with wave absorbing device, the sealed chamber door is installed to the front end of microwave darkroom case.

Preferably, the moving wheels are provided with four, and the four moving wheels are symmetrical with respect to a vertical center line of the support base.

Preferably, the electric device box is provided with four, the lower extreme of electric device box is provided with the telescopic link, the lower extreme of telescopic link is provided with the mounting panel, pass through set screw fixed connection between mounting panel and the antiskid supporting legs.

Preferably, the lower extreme of strengthening the supporting seat is provided with the fixed foot, through fixing bolt fixed connection between fixed foot and the support base, fixing bolt's one end passes the fixed foot and extends to the inside of support base.

Preferably, the soundproof cotton is arranged in the soundproof groove.

Preferably, the fixing plate is fixedly connected with the mounting groove through a fastening screw, one end of the fastening screw penetrates through the fixing plate and extends to the inside of the mounting groove, a plurality of wave absorbing devices are arranged, and the plurality of wave absorbing devices are uniformly distributed at one end of the fixing plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. this kind of antenna OTA test microwave darkroom, the movable wheel through the installation can be convenient remove the position department that needs with the microwave darkroom case, then make the telescopic link promote anti-skidding supporting leg through opening electric device case and move downwards, can support the microwave darkroom case through anti-skidding supporting leg like this, avoid the condition that the microwave darkroom case appears moving in the in-process of using to influence the result of use of microwave darkroom case.

2. This kind of antenna OTA test microwave darkroom carries out OTA test through opening sealed chamber door to the antenna that can be convenient, and the inside of microwave darkroom incasement wall is provided with the soundproof cotton, and the soundproof effect of microwave darkroom case can effectually be improved through the soundproof cotton of installation to make the test effect of microwave darkroom case better, when the device appears damaging when absorbing the wave in the use, can be convenient dismantle the fixed plate, thereby change the device that absorbs the wave.

Drawings

FIG. 1 is an overall front view of the present utility model;

FIG. 2 is an overall cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged view of a portion of area a of fig. 2 in accordance with the present utility model.

In the figure: 1. a microwave darkroom box; 101. a sound insulation groove; 102. a test chamber; 103. a mounting groove; 2. a support base; 3. a moving wheel; 4. an electric device box; 401. a telescopic rod; 402. a mounting plate; 5. anti-skid support legs; 6. a fixing screw; 7. reinforcing the supporting seat; 701. a fixed foot; 8. a fixing bolt; 9. soundproof cotton; 10. a fixing plate; 11. a wave absorbing device; 12. a fastening screw; 13. sealing the door.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides an antenna OTA test microwave darkroom, including microwave darkroom case 1, support base 2 is installed to the below of microwave darkroom case 1, remove round 3 is installed to the below of support base 2, electric device case 4 is all installed to the both sides of microwave darkroom case 1 upper end, antiskid supporting legs 5 are installed to the below of electric device case 4, strengthen supporting seat 7 is installed to the both sides of microwave darkroom case 1 outer wall, the inside of microwave darkroom case 1 is provided with test room 102, the inside of microwave darkroom case 1 inner wall is provided with sound insulation groove 101, the one end of microwave darkroom case 1 inner wall is provided with mounting groove 103, the internally mounted of mounting groove 103 has fixed plate 10, the one end of fixed plate 10 is provided with wave absorbing device 11, sealing box door 13 is installed to the front end of microwave darkroom 1, it should be stated, in order to save the space, specific antenna OTA test procedure is not repeated in this patent.

Referring to fig. 1 and 2, four moving wheels 3 are provided, and the four moving wheels 3 are symmetrical with respect to a vertical center line of the support base 2, and the antenna OTA test microwave darkroom can be conveniently moved by the moving wheels 3, so that the antenna OTA test microwave darkroom is more convenient to use.

Referring to fig. 1, 2 and 3, the electric device box 4 is provided with four, the lower extreme of electric device box 4 is provided with telescopic link 401, the lower extreme of telescopic link 401 is provided with mounting panel 402, through fixing screw 6 fixed connection between mounting panel 402 and the anti-skidding supporting legs 5, can be convenient install fixedly between mounting panel 402 and the anti-skidding supporting legs 5, make telescopic link 401 promote anti-skidding supporting legs 5 to move downwards through opening electric device box 4, can support microwave darkroom case 1 through anti-skidding supporting legs 5 like this, avoid microwave darkroom case 1 to appear moving the condition in the in-process of using, thereby influence the result of use of microwave darkroom case 1.

Referring to fig. 1, 2 and 3, the lower end of the reinforcing support seat 7 is provided with a fixing leg 701, the fixing leg 701 is fixedly connected with the support base 2 through a fixing bolt 8, one end of the fixing bolt 8 passes through the fixing leg 701 and extends to the inside of the support base 2, and the reinforcing support seat 7 and the support base 2 can be conveniently installed and fixed.

Referring to fig. 2 and 4, the soundproof cotton 9 is disposed in the soundproof groove 101, and the soundproof effect of the microwave darkroom box 1 can be effectively improved by the mounted soundproof cotton 9, so that the side test effect of the microwave darkroom box 1 is better.

Referring to fig. 2 and fig. 4, the fixing plate 10 is fixedly connected with the mounting groove 103 through the fastening screw 12, one end of the fastening screw 12 penetrates through the fixing plate 10 and extends to the inside of the mounting groove 103, the wave absorbing device 11 is provided with a plurality of wave absorbing devices 11, the wave absorbing devices 11 are uniformly distributed at one end of the fixing plate 10, and the fixing plate 10 can be conveniently mounted and fixed, so that the fixing plate 10 can be conveniently detached when the wave absorbing device 11 is damaged, and the wave absorbing device 11 is replaced.

Working principle: during the use, can be convenient remove microwave darkroom case 1 to the position department of needs through the movable wheel 3 of installation, then make telescopic link 401 promote anti-skidding supporting legs 5 downwardly moving through opening electric device case 4, can support microwave darkroom case 1 through anti-skidding supporting legs 5 like this, avoid microwave darkroom case 1 to appear the condition of removing in the in-process of using, thereby influence the result of use of microwave darkroom case 1, the rethread is opened sealed chamber door 13 and can be convenient carry out OTA test to the antenna, the inside of microwave darkroom case 1 inner wall is provided with soundproof cotton 9, can effectually improve the soundproof effect of microwave darkroom case 1 through the soundproof cotton 9 of installation, thereby make the test effect of microwave darkroom case 1 better, when the damage appears when absorbing device 11 in the use, can be convenient dismantle fixed plate 10, thereby change absorbing device 11.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An antenna OTA tests microwave darkroom, includes microwave darkroom case (1), its characterized in that: support base (2) are installed to the below of microwave camera bellows (1), remove round (3) are installed to the below of support base (2), electric device case (4) are all installed to the both sides of microwave camera bellows (1) upper end, antiskid supporting legs (5) are installed to the below of electric device case (4), strengthen supporting seat (7) are installed to the both sides of microwave camera bellows (1) outer wall, the inside of microwave camera bellows (1) is provided with test chamber (102), the inside of microwave camera bellows (1) inner wall is provided with sound insulation groove (101), the one end of microwave camera bellows (1) inner wall is provided with mounting groove (103), the internally mounted of mounting groove (103) has fixed plate (10), the one end of fixed plate (10) is provided with wave absorbing device (11), sealed chamber door (13) are installed to the front end of microwave camera bellows (1).

2. The antenna OTA test microwave camera of claim 1 wherein: the movable wheels (3) are arranged in four, and the four movable wheels (3) are symmetrical with respect to the vertical center line of the supporting base (2).

3. The antenna OTA test microwave camera of claim 1 wherein: the four electric device boxes (4) are arranged, the lower ends of the electric device boxes (4) are provided with telescopic rods (401), the lower ends of the telescopic rods (401) are provided with mounting plates (402), and the mounting plates (402) are fixedly connected with the anti-skid supporting feet (5) through fixing screws (6).

4. The antenna OTA test microwave camera of claim 1 wherein: the lower extreme of strengthening supporting seat (7) is provided with fixed foot (701), through fixing bolt (8) fixed connection between fixed foot (701) and supporting base (2), the one end of fixing bolt (8) passes fixed foot (701) and extends to the inside of supporting base (2).

5. The antenna OTA test microwave camera of claim 1 wherein: and sound insulation cotton (9) is arranged in the sound insulation groove (101).

6. The antenna OTA test microwave camera of claim 1 wherein: the wave absorbing device is characterized in that the fixing plate (10) is fixedly connected with the mounting groove (103) through a fastening screw (12), one end of the fastening screw (12) penetrates through the fixing plate (10) and extends to the inside of the mounting groove (103), a plurality of wave absorbing devices (11) are arranged, and the wave absorbing devices (11) are uniformly distributed at one end of the fixing plate (10).