CN217007540U

CN217007540U - Standard 19-inch drawer type EMC testing device

Info

Publication number: CN217007540U
Application number: CN202220434341.XU
Authority: CN
Inventors: 韦思贺
Original assignee: Xintuonick Technology Chengdu Co ltd
Current assignee: Xintuonick Technology Chengdu Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-19
Anticipated expiration: 2032-03-02

Abstract

The utility model belongs to the technical field of communication, and particularly relates to a standard 19-inch drawer type EMC testing device which comprises a box body, wherein the rear part of the box body is rotatably provided with an upper cover of a shielding box, through holes are formed in two sides of the box body, a shielding fan and a ventilation type waveguide window are respectively arranged in the two through holes, a bracket of a tested piece is arranged in the box body, an SMA connector and a power filter are arranged at the rear part of the box body, and a box body fixing support is sleeved at the bottom of the box body. The high-shielding-capacity high-temperature-resistant and high-frequency-range electromagnetic shielding device is provided with the movable guide rail, a tested piece can be quickly replaced, meanwhile, the device can be independently placed, a shielding box body, a cold-rolled steel plate and a high-shielding waveguide window are used for spraying conductive anticorrosive paint, an EMI shielding cotton sealing mode is adopted, the traditional beryllium copper sealing mode is different from the traditional beryllium copper sealing mode, the high-shielding waveguide window is adopted, the problem of high-heat ventilation is solved, a single filter is highly integrated with a network port, a USB interface and a power interface, the product meets the frequency range of 700M-6G, and the shielding efficiency reaches more than 55 db.

Description

Standard 19-inch drawer type EMC testing device

Technical Field

The utility model relates to the technical field of communication, in particular to a standard 19-inch drawer type EMC testing device.

Background

Some small-size products of communication industry need miniature test fixture to carry out the EMC test, can reduce test cost expense like this, do not reduce the performance requirement again simultaneously, satisfy the EMC test index of test product. The existing products can not be independently placed and can not be installed on a standard cabinet, the tested piece is inconvenient and quick to replace, and the EMC shielding box product range can not be configured with shielding performance according to different product requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a standard 19-inch drawer type EMC testing device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a standard 19 inch drawer type EMC testing arrangement, includes the box, the rear portion of box rotates installs the shielded cell upper cover, the through-hole has all been seted up to the both sides of box, installs shielding fan and ventilation type waveguide window in two through-holes respectively, install in the box and be surveyed a bracket, SMA connects and power filter are installed to the rear portion of box, the fixed support of box has been cup jointed to the bottom of box, all installs the guide rail on the both sides inner wall that the box was fixed to be held in the palm, and the both sides of box pass through slider slidable mounting respectively on two guide rails, and the one end of two guide rails extends to outside the fixed support of box, and fixed mounting has the cable bracket.

Preferably, a waveguide window exhaust fan is installed on the ventilation type waveguide window.

Preferably, the inside and outside spraying of box has conductive paint, and box inner wall seamless is stained with shielding conductive cotton fully.

Preferably, two sealing latches are mounted on the front surface of the box body.

Preferably, the inner wall of the upper cover is adhered with EMI sealing shielding cotton.

Preferably, the box body and the upper cover are both formed by bending SPCC cold-rolled steel plates, and the butt joint positions are fully welded.

According to the standard 19-inch drawer type EMC testing device, the movable guide rail is installed, a tested piece can be quickly replaced, meanwhile, the device can be independently placed, a shielding box body, a cold-rolled steel plate and a full-closed welding mode are adopted, conductive anticorrosive paint is sprayed, an EMI shielding cotton sealing mode is adopted, the traditional mode that beryllium copper sealing is adopted is distinguished, a high-shielding waveguide window is adopted, the problem of high-heat ventilation is solved, a single filter highly integrates a network port, a USB interface and a power supply interface, the product meets the frequency range of 700M-6G, and the shielding efficiency reaches more than 55 db.

Drawings

FIG. 1 is a schematic diagram of a front side of a standard 19-inch drawer-type EMC testing apparatus according to the present invention;

FIG. 2 is a schematic diagram of a back side structure of a standard 19-inch drawer-type EMC testing apparatus according to the present invention.

In the figure: 1: a box body; 2: an upper cover of the shielding box; 3: a box body fixing support; 4: a shielding fan; 5: a guide rail; 6: EMI sealing shielding cotton; 7: a vented waveguide window; 8: shielding conductive cotton; 9: a tested piece bracket; 10: sealing and locking; 11: a waveguide window exhaust fan; 12: an SMA joint; 13: a power supply filter; 14: a cable bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a standard 19-inch drawer type EMC testing device, including box 1, the rear portion of box 1 rotates and installs shielding case upper cover 2, the through-hole has all been seted up to the both sides of box 1, install shielding fan 4 and ventilation type waveguide window 7 in two through-holes respectively, install in the box 1 and be surveyed a bracket 9, SMA joint 12 and power filter 13 are installed to the rear portion of box 1, the bottom of box 1 has cup jointed the fixed support of box 3, all install guide rail 5 on the both sides inner wall of the fixed support of box 3, and the both sides of box 1 pass through slider slidable mounting respectively on two guide rails 5, the one end of two guide rails 5 extends to outside the fixed support of box 3, and fixed mounting has cable bracket 14.

In the utility model, a waveguide window exhaust fan 11 is arranged on the ventilation type waveguide window 7.

In the utility model, conductive paint is sprayed inside and outside the box body 1, and shielding conductive cotton 8 is adhered to the inner wall of the box body 1 in a seamless manner.

In the utility model, two sealing lock catches 10 are arranged on the front surface of the box body 1.

In the utility model, the inner wall of the upper cover 2 is pasted with EMI sealing shielding cotton 6.

In the utility model, the box body 1 and the upper cover 2 are both formed by bending SPCC cold-rolled steel plates, and the butt joints are fully welded.

In the utility model, the 19-inch shielding test cabinet is arranged on a standard cabinet, a tested piece is placed on a tested piece bracket in a box body and is connected with a rear power filter and an SMA connector, two sealing lock catches are arranged on the front surface of the box body, an upper cover is tightly closed to ensure no leakage, and after the test is finished, the box body is drawn out, the tested piece is replaced, and the tested piece is pushed in to reset through a guide rail;

the box and the upper cover all adopt the cold-rolled steel sheet shaping of bending, the full welding of butt joint department, ensure good seal, surface spraying electrically conducts anticorrosive paint, the inside EMI of inlaying of upper cover electrically conducts the cotton, can ensure when pushing down with box in close contact with, become a continuous electric conductor with the box, the box passes through both sides guide rail and installs at the bottom bracket, business turn over wind gap installation ventilation waveguide window, when ensuring that the inside heat of box can dissipate, ensure the good shielding nature of box through special high shielding waveguide window, 12 highly integrated wave filters of afterbody installation, every wave filter integrated power socket, net gape and USB communication port, this complete product can place alone, also can install standard rack. The box body can be conveniently and quickly taken out to replace the tested piece.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A standard 19-inch drawer type EMC testing device comprises a box body (1), it is characterized in that the rear part of the box body (1) is rotatably provided with a shielding box upper cover (2), through holes are respectively arranged on both sides of the box body (1), a shielding fan (4) and a ventilation type waveguide window (7) are respectively arranged in the two through holes, a tested piece bracket (9) is arranged in the box body (1), an SMA joint (12) and a power filter (13) are arranged at the rear part of the box body (1), the bottom of the box body (1) is sleeved with a box body fixing support (3), the inner walls of the two sides of the box body fixing support (3) are respectively provided with a guide rail (5), and the two sides of the box body (1) are respectively arranged on the two guide rails (5) in a sliding manner through the sliding blocks, one ends of the two guide rails (5) extend out of the box body fixing support (3), and the cable bracket (14) is fixedly arranged.

2. A standard 19 inch drawer EMC test device according to claim 1, wherein the vented waveguide window (7) is mounted with a waveguide window ventilator (11).

3. The standard 19-inch drawer type EMC testing device as recited in claim 1, wherein the inside and outside of the box (1) are coated with conductive paint, and the inner wall of the box (1) is full of shielding conductive cotton (8) without gaps.

4. A standard 19 inch drawer EMC test device according to claim 1, wherein two seal latches (10) are mounted on the front side of the case (1).

5. A standard 19 inch drawer EMC test fixture as claimed in claim 1, wherein the inner wall of the top cover (2) is pasted with EMI sealing shielding cotton (6).

6. The standard 19-inch drawer-type EMC testing device of claim 1, wherein the box (1) and the upper cover (2) are formed by bending SPCC cold rolled steel plates, and the butt joints are fully welded.