CN-224205402-U - Control box with electromagnetic shielding structure

CN224205402UCN 224205402 UCN224205402 UCN 224205402UCN-224205402-U

Abstract

The utility model discloses a control box with an electromagnetic shielding structure, which relates to the technical field of signal transmission, wherein the control box with the electromagnetic shielding structure comprises a connecting plate, an outer box and an inner box, wherein the connecting plate is used for being attached and fixed on the outer side surface of a bulkhead of a cabin body, the outer box is arranged on one side surface of the connecting plate, the inner box is arranged on the other side surface of the connecting plate, when the connecting plate is attached and fixed on the outer side surface of the bulkhead, the outer box is used for being penetrated into the cabin body from an opening of the bulkhead, and an electromagnetic shielding piece is used for being attached to the bulkhead and is opposite to the connecting plate.

Inventors

CHEN LI
CAO ZIJIANG
LI SHANZHEN
SUN XIANLIN
WANG BOMING
LI HONGQIAO

Assignees

深圳市拓海通用电气有限公司

Dates

Publication Date: 20260505
Application Date: 20260402

Claims (10)

1. A control box having an electromagnetic shielding structure for transferring signals external to a cabin to the interior of the cabin, the control box comprising: the connecting plate is used for being attached to and fixed on the outer side face of the cabin wall of the cabin body; the outer box is arranged on one side surface of the connecting plate; An inner box arranged on the other side surface of the connecting plate, the outer box being used for penetrating into the cabin body from the opening of the cabin wall when the connecting plate is attached and fixed on the outer side surface of the cabin wall, and And the electromagnetic shielding piece is used for being attached to the bulkhead and is arranged opposite to the connecting plate.
2. The control box with electromagnetic shielding structure of claim 1, wherein one side of the electromagnetic shield is attached to a side of the connection plate facing the bulkhead, and the other side of the electromagnetic shield is adapted to be attached to the bulkhead.
3. The control box with an electromagnetic shielding structure according to claim 2, wherein the electromagnetic shielding member is a copper net or a saw tooth copper belt.
4. A control box with an electromagnetic shielding structure as claimed in claim 3, wherein the mesh number of the copper mesh is 120 mesh.
5. The control box with the electromagnetic shielding structure according to claim 2, wherein the electromagnetic shielding member is arranged in a ring shape, the electromagnetic shielding member is arranged to be arranged around the outer peripheral side of the opening of the bulkhead, and the inner peripheral side of the electromagnetic shielding member is arranged to be attached to the edge of the opening of the bulkhead.
6. The control box with electromagnetic shielding structure according to claim 1, further comprising a plurality of fasteners for being looped around the outer peripheral side of the opening of the bulkhead, the fasteners being for being passed through the connection plate in a direction from outside the cabin to inside the cabin and being connected to the bulkhead to fix the control box to the bulkhead.
7. The control box with electromagnetic shield of claim 6 wherein the fastener is configured as a stainless steel screw that passes out of the electromagnetic shield to connect with the bulkhead such that one side of the electromagnetic shield engages the connection plate and the other side engages the bulkhead.
8. The control box with the electromagnetic shielding structure according to claim 1, wherein the inner box comprises a box body, a cover plate and a box body arranged in the box body, a box opening is arranged on one side, away from the connecting plate, of the box body, and the cover plate is detachably arranged at the box opening.
9. The control box with an electromagnetic shielding structure according to claim 1, wherein the outer shells of the outer box and the inner box are metal pieces, the control box further comprises a grounding structure, the grounding structure is electrically connected with the inner box and the outer shells of the outer box, the grounding structure is arranged at the bottom of the inner box, and the grounding structure is used for connecting a grounding wire.
10. The control box with the electromagnetic shielding structure of claim 9, wherein the grounding structure comprises a flange plate and a grounding bolt arranged on the flange plate, and the grounding bolt is used for connecting a grounding wire.

Description

Control box with electromagnetic shielding structure Technical Field The utility model relates to the technical field of signal transmission, in particular to a control box with an electromagnetic shielding structure. Background The vehicle-mounted signal control box is applied to a vehicle-mounted use environment, is a signal wall box arranged on a vehicle wall, and mainly realizes signal interconnection of wired channel equipment in a vehicle and other node communication equipment outside the vehicle. In the prior art, because on-vehicle signal switching wall box one side is located the car under-deck, and one side is located the car under-deck outside, when carrying out signal interconnection in the car with the car outside, there is the condition because of outdoor electromagnetic interference, leads to signal interconnection effect poor. Disclosure of utility model The utility model mainly aims to provide a control box with an electromagnetic shielding structure, and aims to solve the problem that signal transmission is unstable due to electromagnetic leakage of the control box applied to a vehicle-mounted environment. In order to achieve the above object, the present utility model provides a control box with an electromagnetic shielding structure, the control box is used for transferring signals outside a cabin to the inside of the cabin, and the control box is characterized in that: the connecting plate is used for being attached to and fixed on the outer side face of the cabin wall of the cabin body; the outer box is arranged on one side surface of the connecting plate; An inner box arranged on the other side surface of the connecting plate, the outer box being used for penetrating into the cabin body from the opening of the cabin wall when the connecting plate is attached and fixed on the outer side surface of the cabin wall, and And the electromagnetic shielding piece is used for being attached to the bulkhead and is arranged opposite to the connecting plate. In one embodiment, the electromagnetic shield is a copper mesh or a serrated copper strip. In one embodiment, the mesh number of the copper mesh is 120 mesh. In one embodiment, one face of the electromagnetic shield is attached to a face of the connection plate facing the bulkhead, and the other face of the electromagnetic shield is used for attaching to the bulkhead. In one embodiment, the electromagnetic shielding member is in an annular arrangement, the electromagnetic shielding member is used for being annularly arranged on the outer peripheral side of the opening of the bulkhead, and the inner peripheral side of the electromagnetic shielding member is used for being attached to the edge of the opening of the bulkhead. In an embodiment, the control box further comprises a plurality of fasteners, wherein the fasteners are arranged on the periphery side of the opening of the bulkhead in a surrounding manner, and the fasteners are arranged in a penetrating manner along the direction from outside the cabin to inside the cabin, are connected with the bulkhead, and are used for fixing the control box to the bulkhead. In one embodiment, the fastener is configured as a stainless steel screw that passes out of the electromagnetic shield to connect with the bulkhead such that one side of the electromagnetic shield engages the connecting plate and the other side engages the bulkhead. In an embodiment, the inner box comprises a box body, a cover plate and a box body arranged in the box body, a box opening is formed in one side, away from the connecting plate, of the box body, and the cover plate is detachably arranged in the box opening. In an embodiment, the outer case and the outer shell of the inner case are metal pieces, the control case further comprises a grounding structure, the grounding structure is electrically connected with the inner case and the outer shell of the outer case, the grounding structure is arranged at the bottom of the inner case, and the grounding structure is used for being connected with a grounding wire. In one embodiment, the grounding structure comprises a flange plate and a grounding bolt arranged on the flange plate, wherein the grounding bolt is used for connecting a grounding wire. According to the technical scheme, the control box is arranged for transferring signals outside the cabin to the inside of the cabin, the control box comprises the connecting plate, the outer box and the inner box are respectively arranged on two opposite sides of the connecting plate, when the connecting plate is fixedly attached to the outer side face of the bulkhead, the outer box is used for penetrating the opening of the bulkhead into the cabin to realize installation, and the electromagnetic shielding piece which can be oppositely arranged with the connecting plate is arranged on the bulkhead in an attaching mode, so that electromagnetic leakage is prevented from occurring at the connecting position of the connecting plate and the