CN-122028398-A - Carbon fiber composite material case with electromagnetic shielding function

Abstract

The invention relates to the technical field of electromagnetic shielding cases, in particular to a carbon fiber composite material case with an electromagnetic shielding function, which comprises a case body and an external shielding assembly, wherein the case body comprises a connecting pipe inserted in an external interface, a reinforcing sleeve is arranged on an external ring of the connecting pipe, a plurality of shielding plates are arranged in the connecting pipe, a plurality of protective air bags are arranged at ports of the connecting pipe, an adjustable radiating assembly comprises a radiating frame arranged on the outer wall of the case body, the inside of the case body in the reinforcing sleeve is communicated, and a detecting piece is arranged in the case body and used for detecting the temperature inside the case body and driving a turnover plate and an adjusting ring to rotate. Through integrating external line to in the connecting pipe to set up the shield plate in the connecting pipe, not only can be automatically when the sleeve pipe is installed to external wiring location, when the displacement appears in external line, in time self-adaptation's improvement reinforcement ability, further improve the sealing ability of this department, thereby improve electromagnetic shield ability, wherein assist external wiring heat dissipation through setting up the runner.

Inventors

• MA QIHUA
• WANG GUOQIANG

Assignees

• 上海工程技术大学

Dates

Publication Date

20260512

Application Date

20260327

Claims (12)

1. 1. The utility model provides a carbon fiber composite machine case with electromagnetic shield function, includes the box, offers the external connection in the external connection of interface and interlude on the box, its characterized in that still includes: The metal strip is arranged on the inner wall of the box body; The external shielding assembly comprises a connecting pipe inserted in the external connector, a reinforcing sleeve is arranged on the outer ring of the connecting pipe, a plurality of shielding plates are arranged in the connecting pipe, a sleeve is sleeved outside the connecting pipe, a reinforcing member is arranged in the reinforcing sleeve, the sleeve is sleeved on the connecting pipe and is close to the external connecting wire direction through rotating the driving reinforcing member, a plurality of protective air bags are arranged at the port of the connecting pipe, and the protective air bags are inflated when the sleeve is inserted and the external connecting wire slides in the connecting pipe; the adjustable radiating assembly comprises a radiating frame arranged on the outer wall of the box body, a plurality of overturning plates are rotatably arranged on the radiating frame, the inside of the reinforcing sleeve is communicated with the inside of the box body, an adjusting ring is arranged at the communicating position, a detecting piece is arranged in the box body, and meanwhile, the detecting piece detects the temperature inside the box body and drives the overturning plates and the adjusting ring to rotate.
2. 2. The carbon fiber composite chassis with electromagnetic shielding function according to claim 1, wherein the reinforcement comprises a reinforcement groove formed in the reinforcement sleeve, a plurality of elastic rods are installed in the reinforcement groove, and a positioning block is slidably installed at the telescopic end of each elastic rod.
3. 3. The carbon fiber composite machine case with electromagnetic shielding function according to claim 2, wherein a chute communicated with the reinforcing groove is formed in the outer wall of the reinforcing sleeve, a sliding plate fixedly connected with the telescopic end of the elastic rod is slidably installed in the chute, a plurality of driving plates are arranged at one end of the sleeve close to the reinforcing sleeve, a squeezing block is arranged at one side of the bottom of the driving plate close to the reinforcing sleeve, and when the sleeve rotates, the squeezing block squeezes the sliding plate to slide in the chute.
4. 4. The carbon fiber composite chassis with electromagnetic shielding function according to claim 3, wherein the reinforcing sleeve is provided with a mounting hole for connecting with the outer wall of the chassis body, the side wall of the driving plate is provided with an arc-shaped protection groove, and the inner wall of the protection groove is provided with a protection pad.
5. 5. The carbon fiber composite chassis with electromagnetic shielding function according to claim 1, wherein a positioning air bag communicated with the protective air bag is arranged on the outer annular wall of the connecting pipe, and the sleeve is sleeved on the connecting pipe to press air in the positioning air bag into the protective air bag.
6. 6. The carbon fiber composite chassis with the electromagnetic shielding function according to claim 1, wherein the outer walls of the two sides of the positioning block are respectively provided with a reinforced air bag, the reinforced air bags are communicated with the protective air bags, one side, close to the external connection line, of the positioning block is provided with an anti-skid layer, and when the external connection line slides in the connecting pipe, the positioning block is driven to squeeze the reinforced air bags.
7. 7. The carbon fiber composite chassis with electromagnetic shielding function according to claim 2, wherein the adjustable heat dissipation assembly further comprises a plurality of air outlet pipes which are arranged on the outer wall of the reinforcing sleeve and communicated with the reinforcing grooves, the air outlet pipes are distributed in a ring shape, a plurality of air inlets which are arranged on the outer wall of the reinforcing sleeve and communicated with the reinforcing grooves, the air outlet pipes are communicated with the inside of the chassis, and the adjusting ring is provided with adjusting holes which are the same in number and distribution mode with the air outlet pipes.
8. 8. The carbon fiber composite chassis with electromagnetic shielding function according to claim 7, wherein the heat dissipation frame is provided with a plurality of heat dissipation holes, the heat dissipation frame is rotatably provided with a plurality of rotating rods, the rotating rods penetrate through the heat dissipation holes in the same row, and the turnover plate is arranged on the rotating rods.
9. 9. The carbon fiber composite machine case with electromagnetic shielding function according to claim 8, wherein the adjusting box is installed inside the box body, a rack is slidably installed in the adjusting box, the rotating rod rotates to penetrate through the outer wall of the adjusting box, a gear matched with the rack is installed at one end of the rotating rod located in the adjusting box, the detecting piece comprises a piston tube installed at one end of the adjusting box, a piston rod is slidably installed in the piston tube, the piston rod penetrates through the outer wall of the adjusting box and is fixedly connected with the rack, an auxiliary air bag is arranged in the piston tube, evaporating liquid is arranged in the auxiliary air bag, and a heat conducting plate is arranged on the outer wall of the piston tube.
10. 10. The carbon fiber composite chassis with the electromagnetic shielding function according to claim 9, wherein an adjusting plate is arranged on the outer wall of the adjusting ring, the adjusting plate is connected with an adjusting air bag, and a feedback pipe is connected between the adjusting air bag and the piston pipe.
11. 11. The carbon fiber composite chassis with electromagnetic shielding function according to claim 1, wherein a metal frame is slidably installed in the chassis body, and a locking bolt is provided at a sliding connection position.
12. 12. The carbon fiber composite chassis with electromagnetic shielding function according to claim 1, wherein pins are arranged on the bottom wall of the chassis body, and a plurality of connecting holes are formed on the side wall of the chassis body.

Description

Carbon fiber composite material case with electromagnetic shielding function Technical Field The invention relates to the technical field of electromagnetic shielding cabinets, in particular to a carbon fiber composite cabinet with an electromagnetic shielding function. Background The carbon fiber composite material case with the electromagnetic shielding function mainly realizes electromagnetic shielding through the combined action of factors such as conductivity, structural design, filling materials and the like. Through reasonable design and material optimization, the chassis can provide more effective electromagnetic shielding while keeping light weight and high strength, meets the basic requirements of modern electronic equipment on electromagnetic compatibility and environmental suitability, and is widely applied to the fields with special requirements on equipment weight and structural strength, such as aerospace, precision electronics and the like. Although the carbon fiber composite chassis with the electromagnetic shielding function has certain advantages in light weight, high strength and electromagnetic compatibility, the prior art still has a plurality of defects, wherein the lack of perfect shielding measures at the external wire port is particularly remarkable. The external connection port is used as a key part for connecting the case and external equipment, the perforation of the external connection port breaks the electromagnetic sealing continuity of the carbon fiber case, shielding treatment at the external connection port is often ignored in the existing design to form an obvious electromagnetic leakage window, and secondly, the heat dissipation of the external connection port is required to be noted while the sealing performance is ensured. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides the carbon fiber composite material chassis with the electromagnetic shielding function, which can effectively solve the problems of poor electromagnetic shielding performance and poor heat dissipation performance at the external interface in the prior art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The invention provides a carbon fiber composite material case with an electromagnetic shielding function, which comprises a case body, an external interface arranged on the case body, an external wire inserted in the external interface, and further comprises: The metal strip is arranged on the inner wall of the box body; The external shielding assembly comprises a connecting pipe inserted in the external connector, a reinforcing sleeve is arranged on the outer ring of the connecting pipe, a plurality of shielding plates are arranged in the connecting pipe, a sleeve is sleeved outside the connecting pipe, a reinforcing member is arranged in the reinforcing sleeve, the sleeve is sleeved on the connecting pipe and is close to the external connecting wire direction through rotating the driving reinforcing member, a plurality of protective air bags are arranged at the port of the connecting pipe, and the protective air bags are inflated when the sleeve is inserted and the external connecting wire slides in the connecting pipe; the adjustable radiating assembly comprises a radiating frame arranged on the outer wall of the box body, a plurality of overturning plates are rotatably arranged on the radiating frame, the inside of the reinforcing sleeve is communicated with the inside of the box body, an adjusting ring is arranged at the communicating position, a detecting piece is arranged in the box body, and meanwhile, the detecting piece detects the temperature inside the box body and drives the overturning plates and the adjusting ring to rotate. Further, the reinforcement is including seting up the reinforcement groove in the reinforcement cover, install a plurality of elastic rods in the reinforcement groove, every the flexible end of elastic rod all slidable mounting has the locating piece. Further, a chute communicated with the reinforcing groove is formed in the outer wall of the reinforcing sleeve, a sliding plate fixedly connected with the telescopic end of the elastic rod is slidably mounted in the chute, a plurality of driving plates are arranged at one end, close to the reinforcing sleeve, of the sleeve, an extrusion block is arranged at one side, close to the reinforcing sleeve, of the bottom of the driving plate, and when the sleeve rotates, the extrusion block extrudes the sliding plate to slide in the chute. Further, the reinforcing sleeve is provided with a mounting hole connected with the outer wall of the box body, the side wall of the driving plate is provided with an arc-shaped protection groove, and the inner wall of the protection groove is provided with a protection pad. Further, a positioning air bag communicated with the protective air bag is arranged on the outer annular wall of the conn