CN216451749U - Shielding structure and cabinet body electronic equipment - Google Patents

Shielding structure and cabinet body electronic equipment Download PDF

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Publication number
CN216451749U
CN216451749U CN202123404903.0U CN202123404903U CN216451749U CN 216451749 U CN216451749 U CN 216451749U CN 202123404903 U CN202123404903 U CN 202123404903U CN 216451749 U CN216451749 U CN 216451749U
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shielding
fin
shielding fin
conductive foam
cabinet
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CN202123404903.0U
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Chinese (zh)
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朱常兴
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Hollysys Automation Technologies Ltd
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Hollysys Automation Technologies Ltd
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Abstract

The utility model provides a shielding structure and cabinet electronic equipment, wherein the shielding structure comprises a first shielding fin, conductive foam and a second shielding fin, the first shielding fin and the second shielding fin are circumferentially formed between opening gaps at the outer part of an inner shielding space, the second shielding fin is arranged at one side, close to the inner shielding space, of the first shielding fin, and the conductive foam is arranged between the first shielding fin and the second shielding fin; the inner surface of one side of the first shielding fin is at least partially attached to one side of the conductive foam, and the end part of the other side of the first shielding fin is sealed with the inner shielding space; the outer surface of one side of the second shielding fin is at least partially attached to the other side of the conductive foam, and the end part of the other side of the second shielding fin is sealed with the inner shielding space. The utility model is suitable for shielding the door and window mechanism which is frequently opened and closed, not only realizes effective shielding of electromagnetic signals, but also reduces the resistance of opening and closing the door.

Description

Shielding structure and cabinet body electronic equipment
Technical Field
The utility model relates to the field of electromagnetic shielding, in particular to a shielding structure and cabinet electronic equipment, which are used for shielding an internal space.
Background
The electromagnetic shielding is a technology to be solved in many electromechanical devices, particularly in the field with high requirements on electromagnetic shielding, the traditional shielding mode in the electromechanical devices is to arrange conductive foam at the door and window opening and closing positions of the electromechanical devices, when the device is closed, the conductive foam is in metal contact with the electromechanical devices to achieve the shielding effect, the contact surface of the electromechanical devices and the conductive foam is required to be metal, and a non-conductive layer cannot be sprayed.
Therefore, the electromagnetic shielding structure of the electromechanical device in the prior art has unstable shielding effect, and is strenuous when opening the door and window of the electromechanical device, and has high requirements when closing the door and window.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a shielding structure and electronic equipment with a cabinet body, and aims to solve the technical problems that the shielding effect of the electromagnetic shielding structure of the electromechanical equipment in the prior art is unstable, the door and window of the electromechanical equipment is hard to open, and the requirement for closing the door and window is high.
A shielding structure comprises a first shielding fin, conductive foam and a second shielding fin, wherein the first shielding fin and the second shielding fin are circumferentially formed between opening gaps at the outer part of an inner shielding space, the second shielding fin is arranged close to one side of the inner shielding space relative to the first shielding fin, and the conductive foam is arranged between the first shielding fin and the second shielding fin;
the inner surface of one side of the first shielding fin is at least partially attached to one side of the conductive foam, and the end part of the other side of the first shielding fin is sealed with the inner shielding space;
the outer surface of one side of the second shielding fin is at least partially attached to the other side of the conductive foam, and the end part of the other side of the second shielding fin is sealed with the inner shielding space.
Preferably, a third shielding fin is disposed on a side of the second shielding fin close to the inner shielding space, and positions where the third shielding fin and the second shielding fin are respectively sealed with the inner shielding space are opposite sides.
Preferably, one surface of the second shielding fin, which is attached to the conductive foam, is a chamfered arc surface which is bent towards the other surface.
Preferably, one surface of the second shielding fin, which is attached to the conductive foam, is a rounded arc surface which is bent towards the other surface.
Preferably, one surface of the conductive foam, which is attached to the second shielding fin, is a chamfered arc surface which is bent towards the other surface.
Preferably, one surface of the conductive foam, which is attached to the second shielding fin, is a rounded arc surface which is bent towards the other surface.
Preferably, the first shielding fin, the second shielding fin and the third shielding fin are all made of metal.
In a second aspect of the utility model, a cabinet electronic device is provided, which is based on the shielding structure, and further includes a cabinet and a door, wherein the shielding structure is arranged at a closed connection position of the cabinet and the door;
one end of the first shielding fin is connected to the cabinet body in a sealing mode, and one end of the second shielding fin is connected to the door body in a sealing mode.
Preferably, the end part of the conductive foam is fixedly connected to the cabinet body.
In a second aspect of the present invention, there is provided a cabinet electronic device, which includes the above-mentioned shielding structure, and further includes a cabinet and a door, wherein the shielding structure is disposed at a closed connection position between the cabinet and the door;
one end of the first shielding fin is connected to the cabinet body in a sealing mode, one end of the second shielding fin is connected to the door body in a sealing mode, and one end of the third shielding fin is connected to the door body in a sealing mode.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the shielding structure provided by the utility model, effective shielding of the internal space can be realized by using 1 conductive foam and two shielding fins, and the structure is simple and the installation is convenient.
2. In the scheme provided by the utility model, the shielding structure is changed from positive compression to lateral sliding, so that the resistance of the opening and closing mechanism is obviously reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic view of a shielding structure provided in embodiment 1 of the present invention;
fig. 2 is a schematic view of a shielding structure provided in embodiment 2 of the present invention;
fig. 3 is a schematic partial structural view of the electromechanical device provided in embodiment 3 of the present invention in a state where the door and the cabinet are completely closed;
fig. 4 is a schematic partial structural view of a door body and a cabinet body of the electromechanical device provided in embodiment 4 of the present invention in a state of being closed;
fig. 5 is a partial structural schematic view of the electromechanical device provided in embodiment 4 of the present invention in a state where the door and the cabinet are completely closed.
Reference numbers in the figures:
1-a first shielding fin; 2-a second shielding fin; 3-conductive foam; 4-inner shielding space; 5-an opening gap of the inner shielding space to the outside; 6-third shield fin; 7-a cabinet body; and 8-a door body.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, the present invention provides a shielding structure, which specifically includes a first shielding fin 1, a conductive foam 3, and a second shielding fin 2, where the first shielding fin 1 and the second shielding fin 2 are both circumferentially formed between opening gaps 5 at an inner shielding space 4 to the outside, the second shielding fin 2 is disposed at a side close to the inner shielding space 4 relative to the first shielding fin 1, and the conductive foam 3 is disposed between the first shielding fin 1 and the second shielding fin 2;
wherein, the inner surface of one side of the first shielding fin 1 is at least partially attached to one side of the conductive foam 3, and the end part of the other side of the first shielding fin 1 is sealed with the inner shielding space 4;
the outer surface of one side of the second shielding fin 2 is at least partially attached to the other side of the conductive foam 3, and the end part of the other side of the second shielding fin 2 is sealed with the inner shielding space 4.
In the shielding structure provided by the utility model, the inner shielding space 4 mainly refers to an inner closed space of electromechanical equipment, after the inner shielding space 4 is closed to an opening gap 5 outside, the first shielding fin 1 and the second shielding fin 2 synchronously slide and close laterally, so that the opening and closing resistance is greatly reduced, the conductive foam 3 is positioned between the first shielding fin 1 and the second shielding fin 2 when being closed, and the first shielding fin 1 and the second shielding fin 2 are respectively attached to two sides of the conductive foam 3 to form an inner shielding space, so that an external electromagnetic signal is effectively shielded.
In the use, for the convenience of the closed action of the opening gap 5 outside the inner shielding space 4, the contact between the conductive foam 3 and the first shielding fin 1 and the second shielding fin 2 is conveniently inserted, the conductive foam 3 can adopt a fillet structure or a chamfer structure, and the second shielding fin 2 also can adopt a fillet structure or a chamfer structure. There are 8 specific examples, which are classified into 4 general profiles:
the first condition is as follows: the surface, attached to the second shielding fin 2, of the conductive foam 3 is a chamfer cambered surface or a fillet cambered surface which is bent towards the other surface, and the surface, attached to the second shielding fin 2, of the conductive foam 3 is of a conventional structure.
Case two: the surface, attached to the second shielding fin 2, of the conductive foam 3 is a chamfer cambered surface or a fillet cambered surface bent towards the other surface, and the surface, attached to the conductive foam 3, of the second shielding fin 2 is of a conventional structure.
Case three: the surface, attached to the second shielding fin 2 and the conductive foam 3, of the conductive foam is a chamfer cambered surface bent towards the other surface, and the surface, attached to the second shielding fin 2, of the conductive foam 3 is a chamfer cambered surface or a fillet cambered surface.
Case four: the surface, attached to the second shielding fin 2 and the conductive foam 3, of the conductive foam is provided with a fillet arc surface bent towards the other surface, and the surface, attached to the second shielding fin 2, of the conductive foam 3 is a chamfer arc surface or a fillet arc surface.
In a specific embodiment, the first shielding fin 1 and the second shielding fin 2 are made of a metal material, and other materials having a shielding effect may be selected.
Example 2:
in example 1, as shown in fig. 2, a third shield fin 6 is provided on the side of the second shield fin 2 close to the inner shield space 4, and the positions where the third shield fin 6 and the second shield fin 2 are sealed with the inner shield space 4 are opposite to each other.
The positions of the first shielding fin 1, the second shielding fin 2 and the third shielding fin 6 at the opening gap 5 are in a staggered arrangement relationship, and the positions of the third shielding fin 6 and the first shielding fin 1 which are respectively sealed with the inner shielding space 4 are on the same side; after the opening gap 5 is closed, the first shielding fin 1, the second shielding fin 2 and the third shielding fin 6 form a curved structure which can weaken electromagnetic signals, and the effective shielding of the internal space is further improved by combining the sealing performance of the conductive foam 3.
In a specific embodiment, the third shielding fin 6 is made of metal, and other materials with shielding effect may be selected.
Example 3:
based on embodiment 1, as shown in fig. 3, the utility model provides electronic equipment for a cabinet, which includes a cabinet 7 and a door 8, wherein a shielding structure is arranged at a closed connection position of the cabinet 7 and the door 8; one end of the first shielding fin 1 is connected to the cabinet body 7 in a sealing manner, and one end of the second shielding fin 2 is connected to the door body 8 in a sealing manner. In order to facilitate the switching action, the end part of the joint of the second shielding fin 2 and the conductive foam 3 can be a fillet cambered surface or a chamfer cambered surface.
In a specific embodiment, the end of the conductive foam 3 is fixedly connected to the cabinet 7.
In the closing action of the cabinet body 7 and the door body 8 of the cabinet body electronic equipment, the shielding structure is in a lateral sliding design, so that the resistance in the opening and closing action process is reduced, and the shielding structure provided by the utility model is more labor-saving. When the cabinet body 7 and the door body 8 are closed, the conductive foam 3 is positioned between the first shielding fin 1 and the second shielding fin 2, at least part of the inner surface of one side of the first shielding fin 1 is attached to one side of the conductive foam 3, at least part of the outer surface of one side of the second shielding fin 2 is attached to the other side of the conductive foam 3, and the conductive foam 3, the first shielding fin 1 and the second shielding fin 2 form a shielding structure, so that effective electromagnetic shielding of electronic equipment of the cabinet body is realized. In the figure, the obvious gaps between the first shielding fin, the second shielding fin and the third shielding fin and the door body or the cabinet body are used for reflecting the passing path of the electromagnetic signal and the specific installation position of the electromagnetic signal, and in practice, the gaps are small (namely, the gaps between the door body and the cabinet body are small).
Example 4:
based on embodiment 2, as shown in fig. 4 and 5, the utility model provides electronic equipment for a cabinet, which includes a cabinet 7 and a door 8, wherein the shielding structure is arranged at a closed connection position of the cabinet 7 and the door 8. One end of the first shielding fin 1 is connected to the cabinet body 7 in a sealing mode, one end of the second shielding fin 2 is connected to the door body 8 in a sealing mode, one end of the third shielding fin 6 is connected to the door body 8 in a sealing mode, and the end portion of the conductive foam 3 is fixedly connected to the cabinet body 7. The positions of the first shielding fin 1, the second shielding fin 2 and the third shielding fin 6 at the closed connection position of the cabinet electronic equipment are in a staggered arrangement relationship.
When the cabinet body 7 and the door body 8 are closed, the conductive foam 3 is positioned between the first shielding fin 1 and the second shielding fin 2, two sides of the conductive foam are respectively attached to the first shielding fin 1 and the second shielding fin 2, the first shielding fin 1, the second shielding fin 2 and the third shielding fin 6 form a curved structure, electromagnetic signals are further weakened, and the conductive foam 3 is combined, so that the shielding effect on the interior of electronic equipment of the cabinet body is integrally improved. In the figure, the obvious gaps between the first shielding fin, the second shielding fin and the third shielding fin and the door body or the cabinet body are used for reflecting the passing path of the electromagnetic signal and the specific installation position of the electromagnetic signal, and in practice, the gaps are small (namely, the gaps between the door body and the cabinet body are small).
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims (10)

1. A shielding structure is characterized in that a shielding structure is provided,
the shielding structure comprises a first shielding fin (1), conductive foam (3) and a second shielding fin (2), wherein the first shielding fin (1) and the second shielding fin (2) are circumferentially formed between an opening gap (5) between an inner shielding space (4) and the outside, the second shielding fin (2) is arranged on one side, close to the inner shielding space (4), of the first shielding fin (1) relative to the second shielding fin (2), and the conductive foam (3) is arranged between the first shielding fin (1) and the second shielding fin (2);
wherein the inner surface of one side of the first shielding fin (1) is at least partially attached to one side of the conductive foam (3), and the end part of the other side of the first shielding fin (1) is sealed with the inner shielding space (4);
the outer surface of one side of the second shielding fin (2) is at least partially attached to the other side of the conductive foam (3), and the end part of the other side of the second shielding fin (2) is sealed with the inner shielding space (4).
2. A shielding structure according to claim 1,
and a third shielding fin (6) is arranged on one side, close to the inner shielding space (4), of the second shielding fin (2), and the positions, sealed with the inner shielding space (4), of the third shielding fin and the second shielding fin (2) are opposite.
3. A shielding structure according to claim 1,
one surface of the second shielding fin (2) attached to the conductive foam (3) is a chamfer cambered surface bent towards the other surface.
4. A shielding structure according to claim 1,
one surface of the second shielding fin (2) attached to the conductive foam (3) is a rounded arc surface bent towards the other surface.
5. A shielding structure according to claim 1 or 3 or 4,
one surface of the conductive foam (3) attached to the second shielding fin (2) is a chamfer cambered surface bent towards the other surface.
6. A shielding structure according to claim 1 or 3 or 4,
one surface of the conductive foam (3) attached to the second shielding fin (2) is a rounded arc surface bent towards the other surface.
7. A shielding structure according to claim 2,
the first shielding fin (1), the second shielding fin (2) and the third shielding fin (6) are all made of metal materials.
8. The cabinet electronic equipment is characterized by comprising the shielding structure according to any one of claims 1 to 7, and further comprising a cabinet (7) and a door (8), wherein the shielding structure is arranged at the closed connection position of the cabinet (7) and the door (8);
one end of the first shielding fin (1) is connected to the cabinet body (7) in a sealing mode, and one end of the second shielding fin (2) is connected to the door body (8) in a sealing mode.
9. The cabinet electronic device of claim 8,
the end part of the conductive foam is fixedly connected to the cabinet body (7).
10. A cabinet electronic device, comprising the shielding structure of any one of claims 2 or 7, further comprising a cabinet (7) and a door (8), wherein the shielding structure is arranged at a closed connection position of the cabinet (7) and the door (8);
one end of the first shielding fin (1) is connected to the cabinet body (7) in a sealing mode, one end of the second shielding fin (2) is connected to the door body (8) in a sealing mode, and one end of the third shielding fin is connected to the door body (8) in a sealing mode.
CN202123404903.0U 2021-12-31 2021-12-31 Shielding structure and cabinet body electronic equipment Active CN216451749U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123404903.0U CN216451749U (en) 2021-12-31 2021-12-31 Shielding structure and cabinet body electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123404903.0U CN216451749U (en) 2021-12-31 2021-12-31 Shielding structure and cabinet body electronic equipment

Publications (1)

Publication Number Publication Date
CN216451749U true CN216451749U (en) 2022-05-06

Family

ID=81377583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123404903.0U Active CN216451749U (en) 2021-12-31 2021-12-31 Shielding structure and cabinet body electronic equipment

Country Status (1)

Country Link
CN (1) CN216451749U (en)

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