CN-224205502-U - Electromagnetic shielding card inserting machine case

Abstract

The utility model discloses an electromagnetic shielding card-inserting case, which relates to the technical field of electronic equipment cases and comprises a case body and a shielding panel for sealing, wherein two flange modules are oppositely arranged at the front part of the case body, the flange modules adopt an integral structure with a handle, the shielding panel is fixedly arranged at the rear part of the case body, a PCB backboard and a plurality of DIN (DIN) sockets are arranged in the case body, the DIN sockets are equidistantly welded on the PCB backboard, and the PCB backboard is fixedly connected with an upper cross beam and a lower cross beam. The electromagnetic shielding device has a simple structure, the shielding panel and the PCB backboard in the case are convenient to assemble and disassemble, two shielding reeds are clamped at two ports of the shielding panel, and two shielding cloths are arranged on the inner sides of the shielding reeds, so that electromagnetic signals outside the case are effectively shielded at the joint of the shielding panel and the case body, no radiation is generated to an internal circuit, signal transmission between electric parts in the case is facilitated, and the anti-interference capability is high.

Inventors

• SUN QUANSHAN
• WANG YANXIA

Assignees

• 天津玄同科技有限公司

Dates

Publication Date

20260505

Application Date

20250430

Claims (7)

1. 1. The electromagnetic shielding card inserting case is characterized by comprising a case body and a shielding panel used for sealing, wherein two flange modules and a handle are oppositely arranged at the front part of the case body, the flange modules and the handle are of an integrated structure, the shielding panel is fixedly arranged at the rear part of the case body, a PCB backboard and a plurality of DIN (DIN) sockets are arranged in the case body, the DIN sockets are welded on the PCB backboard in an equidistant array manner, and the PCB backboard is fixedly connected with the case body.
2. 2. The electromagnetic shielding card inserting case as set forth in claim 1, wherein the shielding panel is of a U-shaped structure, two shielding reeds are arranged at two ends of the shielding panel in a clamping manner, and two shielding cloths are arranged on the inner side of the shielding panel in an opposite manner.
3. 3. The electromagnetic shielding card inserting case as set forth in claim 2, wherein the case body comprises a first side plate, a second side plate and a beam module, through holes for fixed connection are formed in corresponding positions of the first side plate and the second side plate, and the first side plate and the second side plate are assembled and connected into a frame structure through the beam module.
4. 4. The electromagnetic shielding card chassis of claim 3, wherein a first groove is formed at a bottom port of the shielding panel, one side of the shielding reed is fixedly connected with the first groove, and the other side of the shielding reed is abutted against the inner side of the beam module.
5. 5. The electromagnetic shielding card chassis of claim 4, wherein a second groove is formed in a joint of the inner wall of the shielding panel and the second side plate, and the shielding cloth is bonded and connected with the bottom surface of the second groove.
6. 6. The electromagnetic shielding card chassis of claim 5, wherein the top planar height dimension of the shielding cloth is greater than the depth dimension of the second recess.
7. 7. The electromagnetic shielding card chassis of claim 6, wherein the first side plate is provided with a plurality of vent holes arranged in an array, and the diameter of the vent holes is 4mm.

Description

Electromagnetic shielding card inserting machine case Technical Field The utility model relates to the technical field of electronic equipment cabinets, in particular to an electromagnetic shielding card inserting cabinet. Background With the high-speed development of modern communication technology, the functions of the optical-carrier wireless switch chassis equipment are continuously expanded, the integration level of the chassis is continuously improved, electromagnetic waves are generated by electronic equipment in the chassis in the working process, and the electromagnetic waves possibly cause electromagnetic interference to other electrical and electronic equipment, so that the transmission of electronic signals is affected, and even the failure of the equipment is caused. Therefore, it is necessary to install the electronic device in a cabinet having a function of shielding electromagnetic waves to ensure the normal operation of the electronic device. However, in order to meet the requirements of electromagnetic compatibility and ensure the shielding effect, the conventional common shielding case has the defects of poor heat dissipation effect, influence on the normal operation of electronic equipment, complex design of an electromagnetic shielding structure in the case in the prior art, high cost, poor electromagnetic shielding effect on the inside of the case, and particularly the joint between the case plates around the case, electromagnetic interference and radiation caused by gaps at joint positions can interfere the equipment, and is not suitable for large-scale popularization and use. For the above reasons, the design of the chassis must fully consider and handle the problems of electromagnetic interference and radiation, so that the reasonable electromagnetic shielding structure between the shielding panel and the chassis main body is designed to prevent the external electromagnetic interference and radiation from becoming an urgent problem to be solved. Disclosure of utility model The utility model aims to provide an electromagnetic shielding card inserting case, which is internally provided with shielding reeds arranged on a shielding panel and two shielding cloths arranged on the inner side of the shielding reeds in an opposite way, so that electromagnetic signals generated in the case are effectively shielded at the joint of the shielding panel and a case body, external electromagnetic interference and radiation are prevented, signal transmission between electric parts in the case is facilitated, and the anti-interference capability is strong. In order to achieve the above purpose, the utility model provides an electromagnetic shielding card inserting case, which comprises a case body and a shielding panel for sealing, wherein the front part of the case body is relatively provided with two flange modules and a handle, the flange modules and the handle adopt an integrated structure, the shielding panel is fixedly arranged at the rear part of the case body, a PCB backboard and a plurality of DIN (DIN) sockets are arranged in the case body, the DIN sockets are welded on the PCB backboard in an equidistant array manner, and the PCB backboard is fixedly connected with the case body. Preferably, the shielding panel is of a U-shaped structure, two shielding reeds are respectively arranged at two ports of the shielding panel in a clamping mode, and two shielding cloths are oppositely arranged on the inner side of the shielding panel. Preferably, the chassis body comprises a first side plate, a second side plate and a beam module, through holes for fixed connection are formed in corresponding positions of the first side plate and the second side plate, and the first side plate and the second side plate are assembled and connected into a frame structure through the beam module. Preferably, a first groove is formed at the bottom port of the shielding panel, one side of the shielding reed is fixedly connected with the first groove, and the other side of the shielding reed is abutted to the inner side of the beam module. Preferably, a second groove is formed at the joint of the inner wall of the shielding panel and the second side plate, and the shielding cloth is connected with the bottom surface of the second groove in an adhesive mode. Preferably, the top planar height dimension of the shielding cloth is greater than the depth dimension of the second groove. Preferably, a plurality of vent holes arranged in an array are formed in the first side plate, and the diameter size of each vent hole is 4mm. Therefore, compared with the prior art, the electromagnetic shielding card inserting machine box adopting the structure has the following beneficial effects: According to the utility model, the shielding reed is arranged on the upper side and the lower side of the shielding panel, the shielding cloth is adhered on the two sides, the shielding reed is made of metal conductive materials and is fixed on th