CN219085031U

CN219085031U - Shielding room for radio frequency test

Info

Publication number: CN219085031U
Application number: CN202320050161.6U
Authority: CN
Inventors: 周海鹭; 康杰阳; 沈少强
Original assignee: Xiamen Kehu Integrated Circuit Development Co ltd
Current assignee: Xiamen Kehu Integrated Circuit Development Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-26
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a shielding room for a radio frequency test, which comprises a darkroom body, wherein darkroom windows are arranged on two sides of the darkroom body, darkroom doors are hinged outside the darkroom body, window doors are arranged on one sides of the two darkroom windows, rotary displacement mechanisms of the window doors are arranged on two sides of the darkroom body, wave absorbing plates are fixed on one side of the window doors and the inner wall of the darkroom body, and a conveying belt is arranged on one side of the darkroom window; according to the utility model, the wave absorbing plate is fixed on the inner wall of the window and the horizontal displacement mechanism of the window is arranged, so that the window can horizontally move into the darkroom window, the wave absorbing plate is convenient to fix by the mechanism relative to the lifting window and the hinged window and is attached to the inner cavity of the darkroom body, the accuracy of a radio frequency test is improved by arranging the integrated conveyor belt as a partition type, and the accuracy of a detection result can be improved while the detection efficiency is not influenced by the arrangement of the device.

Description

Shielding room for radio frequency test

Technical Field

The utility model relates to the technical field of antenna production, in particular to a shielding chamber for a radio frequency test.

Background

After the production of the radio frequency terminal with the antenna is completed, a radio frequency experiment needs to be carried out, and when the experiment is carried out, a shielding room with a wave absorbing material on the inner wall, namely a microwave darkroom is needed to carry out open field simulation on the radio frequency terminal, as proposed in a microwave darkroom system disclosed in patent CN201921971516.5, the multiport antenna is large in size and heavy in weight, automatic test cannot be directly carried out on a production line, the test efficiency is influenced, the darkroom is provided with darkwindows on two sides, a conveyor belt is arranged to penetrate through the darkroom, so that the antenna is detected in the transmission process of the production line, and even if the darkwindows are provided with windows outside, the positions of the windows cannot be well closed, the wave absorbing material of the windows is inconvenient to install, and the radio frequency test effect can be influenced.

Disclosure of Invention

The utility model aims to provide a shielding room for a radio frequency test, which is characterized in that a sectional type conveying objective table and a transmission belt are arranged, and a window door is arranged to be horizontally inserted into a darkroom window after being rotated, so that the window door fixed with a wave absorbing material can be attached to the darkroom window, and the radio frequency test effect is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a radio frequency test's shield room, includes the darkroom body, the darkroom window has all been seted up to the both sides of darkroom body, the darkroom body articulates outward has the darkroom door, two the window door is all installed to one side of darkroom window, the both sides of darkroom body all are provided with the rotation displacement mechanism of window door, one side of window door and the inner wall of darkroom body all are fixed with the wave absorbing plate, one side of darkroom window is provided with the conveyer belt, be provided with the objective table in the darkroom body, the bottom of objective table is provided with the mobile mechanism of objective table, the antenna is installed at the top of darkroom body inner chamber.

Preferably, the moving mechanism comprises an electric sliding table, the electric sliding table is fixed at the bottom of the darkroom body through a screw, a lifting electric cylinder is fixed on the upper surface of the electric sliding table sliding block through a screw, and the telescopic end of the lifting electric cylinder is fixedly connected with the lower surface of the objective table.

Preferably, the rotary displacement mechanism comprises a displacement electric cylinder and a supporting table, wherein the displacement electric cylinder is fixed on the inner wall of the darkroom body through screws, the supporting table is fixed on the outer wall of the darkroom body through screws, and the telescopic end of the displacement electric cylinder penetrates through one side of the darkroom body and one side of the supporting table.

Preferably, the rotary displacement mechanism further comprises two moving blocks, the two moving blocks are respectively and slidably connected to two ends of the supporting table, a rotating rod is rotatably connected between the two moving blocks, and one side of one moving block is fixedly provided with a driving motor through a screw.

Preferably, the output end of the driving motor is fixedly connected with one end of the rotating rod through a rotating shaft, the telescopic end of the displacement electric cylinder is fixedly connected with one of the moving blocks, and one end of the window door is fixedly connected with the outer wall of the rotating rod.

Preferably, the through groove is formed in the middle of the supporting table, the rotating rod is located in the through groove, sliding grooves are formed in the two ends of the through groove, and the sliding grooves are formed in the inner wall of the supporting table.

Preferably, the upper surfaces of the two conveyor belts are respectively flush with the lower ends of the two darkroom windows, and one end of the antenna is connected with a radio frequency cable.

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

according to the utility model, the wave absorbing plate is fixed on the inner wall of the window and the horizontal displacement mechanism of the window is arranged, so that the window can horizontally move into the darkroom window, the wave absorbing plate is convenient to fix relative to the lifting window and the hinged window and is attached to the inner cavity of the darkroom body, the degree of matching between the window and the darkroom body can be improved by arranging the integrated conveyor belt as a partition, the accuracy of a radio frequency test is improved, and the accuracy of a detection result can be improved while the detection efficiency is not influenced by the arrangement of the device.

Drawings

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

FIG. 2 is a schematic view of the structure of the inside of the darkroom body of the present utility model;

FIG. 3 is a schematic view of a rotary displacement mechanism according to the present utility model;

fig. 4 is a schematic view of the structure of the conveyor belt position of the present utility model.

In the figure: 1. a darkroom body; 2. darkroom window; 3. a darkroom door; 4. a window door; 5. a rotary displacement mechanism; 6. a wave absorbing plate; 7. a conveyor belt; 8. an objective table; 9. a moving mechanism; 10. an antenna; 901. an electric sliding table; 902. lifting electric cylinders; 501. a displacement electric cylinder; 502. a support table; 503. a moving block; 504. a rotating rod; 505. a drive motor; 506. a through groove; 507. and a sliding groove.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a shielding room of radio frequency test, including darkroom body 1, darkroom window 2 has all been seted up to darkroom body 1 both sides, darkroom door 3 has been articulated to darkroom body 1 outside, window 4 is all installed to one side of two darkroom windows 2, the both sides of darkroom body 1 all are provided with window 4's rotation displacement mechanism 5, one side of window 4 and darkroom body 1's inner wall all are fixed with wave-absorbing plate 6, one side of darkroom window 2 is provided with conveyer belt 7, be provided with objective table 8 in darkroom body 1, the bottom of objective table 8 is provided with objective table 8's mobile mechanism 9, antenna 10 is installed at the top of darkroom body 1 inner chamber, wave-absorbing plate 6 adopts ferrite composite wave-absorbing material;

the moving mechanism 9 comprises an electric sliding table 901, the electric sliding table 901 is fixed at the bottom of the darkroom body 1 through screws, a lifting electric cylinder 902 is fixed on the upper surface of a sliding block of the electric sliding table 901 through screws, the telescopic end of the lifting electric cylinder 902 is fixedly connected with the lower surface of the objective table 8, and lifting of products to be tested is facilitated through the arrangement of the lifting air cylinder, and the products to be tested are taken from the conveyor belt 7 and discharged from the conveyor belt 7 in a descending manner;

the rotary displacement mechanism 5 comprises a displacement electric cylinder 501 and a supporting table 502, wherein the displacement electric cylinder 501 is fixed on the inner wall of the darkroom body 1 through a screw, the supporting table 502 is fixed on the outer wall of the darkroom body 1 through a screw, and the telescopic end of the displacement electric cylinder 501 penetrates through one side of the darkroom body 1 and one side of the supporting table 502;

the rotary displacement mechanism 5 further comprises two moving blocks 503, the two moving blocks 503 are respectively and slidably connected to two ends of the supporting table 502, a rotating rod 504 is rotatably connected between the two moving blocks 503, and a driving motor 505 is fixed to one side of one moving block 503 through screws;

the output end of the driving motor 505 is fixedly connected with one end of the rotating rod 504 through a rotating shaft, the telescopic end of the displacement electric cylinder 501 is fixedly connected with one of the moving blocks 503, one end of the window door 4 is fixedly connected with the outer wall of the rotating rod 504, and when the driving motor 505 is started, the rotating rod 504 rotates to drive the window door 4 to be opened or closed;

a through groove 506 is formed in the middle of the supporting table 502, the rotating rod 504 is positioned in the through groove 506, sliding grooves 507 are formed in the two ends of the through groove 506, the sliding grooves 507 are formed in the inner wall of the supporting table 502, the moving block 503 slides in the sliding grooves 507, and when the displacement electric cylinder 501 is started, the upper wall and the lower wall of the sliding grooves 507 play a role in horizontal guiding;

the upper surfaces of the two conveyor belts 7 are respectively flush with the lower ends of the two darkroom windows 2, one end of the antenna 10 is connected with a radio frequency cable, and the conveyor belts 7 are flush with the bottoms of the darkroom windows 2 so that products to be measured can be conveniently and stably moved to the object stage 8;

when the camera is used, the window door 4 is in an open state, a product to be detected is placed on the left side conveyor belt 7, the objective table 8 is located on one side of the darkroom window 2 and is flush with the bottom of the darkroom window 2, the product to be detected moves to the surface of the objective table 8 in the transmission of the left side conveyor belt 7, the electric sliding table 901 drives the objective table 8 to move rightwards, the window door 4 is closed by starting the rotary displacement mechanism 5 at the moment, static simulation signals are emitted to detect radio frequency interference of a detected terminal through the top antenna 10, and the product to be detected is sent out of the darkroom body 1 through the objective table 8 after detection is completed.

In the process of delivering, it should be noted that the width of the stage 8 is smaller than the product to be tested, so that when the product to be tested is located on the stage 8, the two ends extend out of the stage 8, the lifting cylinder 902 is started, the electric sliding table 901 is started, the stage 8 is moved to the right darkroom window 2, the lifting cylinder is reset, one end of the product to be tested is dropped on the upper surface of the right driving belt, and the darkroom body 1 is moved out under the conveying of the driving belt 7.

When the window door 4 is closed, the driving motor 505 is started first, the rotating rod 504 drives the window door 4 to rotate, and when the window door 4 is in a vertical state, the displacement electric cylinder 501 is started to enable the inner side of the window door 4 to horizontally move into the darkroom window 2, and at the moment, the wave absorbing plate 6 on one side of the window door 4 is positioned in the darkroom body 1, so that the closing is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a radio frequency test's shield room, includes darkroom body (1), its characterized in that: the camera comprises a camera body (1), a camera window (2) is arranged on two sides of the camera body (1), a camera door (3) is hinged to the outside of the camera body (1), two doors (4) are arranged on one sides of the camera window (2), rotary displacement mechanisms (5) of the doors (4) are arranged on two sides of the camera body (1), a wave absorbing plate (6) is fixed on one side of the doors (4) and the inner wall of the camera body (1), a conveyor belt (7) is arranged on one side of the camera window (2), an objective table (8) is arranged in the camera body (1), a moving mechanism (9) of the objective table (8) is arranged on the bottom of the objective table (8), and an antenna (10) is arranged at the top of an inner cavity of the camera body (1).

2. A shielded room for radio frequency testing according to claim 1, wherein: the moving mechanism (9) comprises an electric sliding table (901), the electric sliding table (901) is fixed at the bottom of the darkroom body (1) through screws, an elevating electric cylinder (902) is fixed on the upper surface of a sliding block of the electric sliding table (901) through screws, and the telescopic end of the elevating electric cylinder (902) is fixedly connected with the lower surface of the objective table (8).

3. A shielded room for radio frequency testing according to claim 2, wherein: the rotary displacement mechanism (5) comprises a displacement electric cylinder (501) and a supporting table (502), wherein the displacement electric cylinder (501) is fixed on the inner wall of the darkroom body (1) through screws, the supporting table (502) is fixed on the outer wall of the darkroom body (1) through screws, and the telescopic end of the displacement electric cylinder (501) penetrates through one side of the darkroom body (1) and one side of the supporting table (502).

4. A shielded room for radio frequency testing according to claim 3, wherein: the rotary displacement mechanism (5) further comprises two moving blocks (503), the two moving blocks (503) are respectively and slidably connected to two ends of the supporting table (502), a rotating rod (504) is rotatably connected between the two moving blocks (503), and one side of one moving block (503) is fixedly provided with a driving motor (505) through a screw.

5. A shielded room for radio frequency testing according to claim 4 wherein: the output end of the driving motor (505) is fixedly connected with one end of the rotating rod (504) through a rotating shaft, the telescopic end of the displacement electric cylinder (501) is fixedly connected with one of the moving blocks (503), and one end of the window door (4) is fixedly connected with the outer wall of the rotating rod (504).

6. A shielded room for radio frequency testing according to claim 4 wherein: the middle part of brace table (502) has seted up logical groove (506), bull stick (504) are located logical inslot (506), the both ends of logical groove (506) are provided with spout (507), spout (507) are seted up at the inner wall of brace table (502).

7. A shielded room for radio frequency testing according to claim 1, wherein: the upper surfaces of the two conveyor belts (7) are respectively flush with the lower ends of the two darkroom windows (2), and one end of the antenna (10) is connected with a radio frequency cable.