CN220191335U - Electromagnetic shielding device for electrical cabinet - Google Patents
Electromagnetic shielding device for electrical cabinet Download PDFInfo
- Publication number
- CN220191335U CN220191335U CN202321447426.2U CN202321447426U CN220191335U CN 220191335 U CN220191335 U CN 220191335U CN 202321447426 U CN202321447426 U CN 202321447426U CN 220191335 U CN220191335 U CN 220191335U
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- electromagnetic shielding
- shielding device
- plate
- shaped boss
- side plates
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- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model relates to the technical field of electromagnetic shielding, in particular to an electromagnetic shielding device for an electrical cabinet, which comprises a bottom plate, a top cover and side plates, wherein the bottom ends of the side plates are connected with the bottom plate, the top ends of the side plates are connected with the top plate, and the splicing parts of the side plates are sealed by conductive adhesive; the middle part of the bottom plate is bulged to form a U-shaped boss with a downward opening, two side walls of the U-shaped boss are provided with clamping assemblies for clamping electronic equipment placed on the U-shaped boss, and the opening of the U-shaped boss is provided with radiating fins. The electromagnetic shielding device is convenient to assemble and disassemble, and is convenient for debugging and maintenance of electronic equipment in the electromagnetic shielding device; the electric field between adjacent plates is continuous by arranging conductive adhesive between the splicing gaps, so that a shielding body is formed; the electronic equipment is clamped by the clamping assembly, the back of the electronic equipment is contacted with the top of the U-shaped boss, and the heat dissipation fins arranged in the opening of the U-shaped boss are matched, so that the heat conduction of the electronic equipment is realized, the internal heat accumulation of the electromagnetic shielding device is further prevented, and the heat dissipation effect of the electromagnetic shielding device is improved.
Description
Technical Field
The utility model relates to the technical field of electromagnetic shielding, in particular to an electromagnetic shielding device for an electrical cabinet.
Background
The electric cabinet is one of power control equipment, and the continuity and safety of power supply are ensured through normal operation of the electric cabinet, so that the electric cabinet plays an important role in modern industrial production and life.
However, the existing electrical cabinet is poor in electromagnetic interference resistance, and when external electromagnetic waves are strong, electronic equipment such as a voltmeter in the electrical cabinet cannot work normally, so that normal use of the electrical cabinet is affected, and certain potential safety hazards exist. In addition, there are some electromagnetic shielding devices in the prior art, which are used for placing electronic equipment inside the electromagnetic shielding device formed integrally and realizing electromagnetic shielding through the electromagnetic shielding device, but the mode can seriously affect the heat dissipation of the electronic equipment when in use, so that the performance of the electronic equipment is affected, and the electronic equipment is difficult to assemble and disassemble and is not beneficial to the maintenance and debugging of the electronic equipment inside the electromagnetic shielding device.
Disclosure of Invention
The utility model aims to provide an electromagnetic shielding device for an electrical cabinet, which solves the problems that the existing electromagnetic shielding device pointed out in the background art adopts an integrated structure, is difficult to assemble and disassemble, is not beneficial to maintenance and debugging of electronic equipment in the electromagnetic shielding device, has poor heat dissipation effect and causes the performance of the electronic equipment to be influenced.
The embodiment of the utility model is realized by the following technical scheme: the electromagnetic shielding device for the electrical cabinet comprises a bottom plate, a top cover and side plates, wherein the bottom end of each side plate is connected with the bottom plate, the top end of each side plate is connected with the top plate, each side plate consists of a front side plate, a rear side plate, a left side plate and a right side plate and is enclosed to form a rectangular closed box body, and the space between the side plates and the bottom plate, the space between the side plates and the top cover and the space between the side plates forming the rectangular closed box body are sealed by conductive adhesive;
the middle part of the bottom plate is protruding to form a U-shaped boss with a downward opening, the extending direction of the U-shaped boss is parallel to the left side plate and the right side plate, two side walls of the U-shaped boss are provided with clamping assemblies for clamping electronic equipment placed on the U-shaped boss, and radiating fins are arranged at the opening of the U-shaped boss.
According to a preferred embodiment, the clamping assembly comprises a chute, a slide block, a support plate, a spring and a baffle, wherein the chute is arranged on the side wall of the U-shaped boss, the extending direction of the chute is parallel to that of the U-shaped boss, the first end of the slide block is slidably arranged in the chute, the second end of the slide block is connected with the support plate, the baffle is slidably arranged on the support plate, the spring is arranged between the baffle and the slide block, one end of the spring is connected with the baffle, and the other end of the spring is connected with the slide block.
According to a preferred embodiment, the baffle is provided with a bearing plate, which is located above the spring and parallel to the upper surface of the U-shaped boss.
According to a preferred embodiment, the contact end surfaces between the side plates and the bottom plate, between the side plates and the top cover and between the side plates forming the rectangular closed box body are provided with strip-shaped grooves, and the strip-shaped grooves are filled with conductive adhesive tapes.
According to a preferred embodiment, the extending direction of the radiating fins is parallel to the extending direction of the U-shaped boss.
According to a preferred embodiment, bayonets are formed at two ends of the front side plate and the rear side plate, which correspond to the U-shaped bosses.
According to a preferred embodiment, the bottom of the base plate is provided with mounting ears.
The technical scheme of the electromagnetic shielding device for the electrical cabinet has at least the following advantages and beneficial effects: the electromagnetic shielding device for the electrical cabinet provided by the utility model adopts a split type structural design, is convenient to assemble and disassemble, and is convenient for debugging and maintenance of electronic equipment in the electromagnetic shielding device; the electric field between adjacent plates is continuous by arranging conductive adhesive between the splicing gaps to form a shielding body, and electronic equipment placed in the electromagnetic shielding device is surrounded to form an electromagnetic partition; the electronic equipment arranged at the top of the U-shaped boss is clamped and fixed through the clamping assembly, the back surface of the electronic equipment is contacted with the top of the U-shaped boss, and the radiating fins arranged in the opening of the U-shaped boss are matched, so that the heat conduction of the electronic equipment is realized, the internal heat accumulation of the electromagnetic shielding device is further prevented, and the radiating effect of the electromagnetic shielding device is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an electromagnetic shielding device according to embodiment 1 of the present utility model;
fig. 2 is a side view of an electromagnetic shielding device according to embodiment 1 of the present utility model;
fig. 3 is a bottom view of the electromagnetic shielding device according to embodiment 1 of the present utility model;
fig. 4 is a schematic diagram illustrating the disassembly of the electromagnetic shielding device according to embodiment 1 of the present utility model;
fig. 5 is a schematic diagram of the internal structure of the electromagnetic shielding device according to embodiment 1 of the present utility model;
fig. 6 is a top view showing the internal structure of an electromagnetic shielding device according to embodiment 1 of the present utility model;
fig. 7 is a schematic structural diagram of a base plate according to embodiment 1 of the present utility model;
fig. 8 is a schematic structural diagram of a chute according to embodiment 1 of the present utility model;
FIG. 9 is a schematic structural view of a clamping assembly according to embodiment 1 of the present utility model;
fig. 10 is a schematic structural view of a top cover according to embodiment 1 of the present utility model;
fig. 11 is a schematic structural view of a front side plate according to embodiment 1 of the present utility model;
icon: 1-bottom plate, 2-top cover, 3-front side plate, 4-rear side plate, 5-left side plate, 6-right side plate, 7-U-shaped boss, 8-clamping component, 801-chute, 802-slider, 803-supporting plate, 804-spring, 805-baffle, 806-bearing plate, 9-heat radiation fin, 10-bar slot, 11-bayonet, 12-mounting ear.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
Referring to fig. 1 to 3, fig. 1 is a schematic view of an overall structure of an electromagnetic shielding device for an electrical cabinet according to the present utility model, fig. 2 is a side view of the electromagnetic shielding device, and fig. 3 is a bottom view of the electromagnetic shielding device.
The electromagnetic shielding device for the electrical cabinet provided by the embodiment comprises a bottom plate 1, a top cover 2 and side plates, wherein the bottom plate 1 is shown in fig. 7, and the top cover 2 is shown in fig. 10; the bottom of the side plate is connected with the bottom plate 1, the top of the side plate is connected with the top plate, the side plate consists of a front side plate 3, a rear side plate 4, a left side plate 5 and a right side plate 6, and a rectangular closed box body is formed by enclosing, and the front side plate 3 and the rear side plate 4 are shown in FIG. 11. Further, the side plates and the bottom plate 1, the side plates and the top cover 2 and the side plates forming the rectangular closed box body are sealed by conductive adhesive. It should be noted that, in this embodiment, by disposing conductive adhesive between the splice seams, the electric field between the adjacent plates is continuous, so as to form a shielding body, and the electronic device placed in the electromagnetic shielding device is surrounded, so as to form an electromagnetic partition, which is specifically described with reference to fig. 4 to 6.
Further, the middle part of the bottom plate 1 is protruded to form a U-shaped boss 7 with a downward opening, the extending direction of the U-shaped boss 7 is parallel to the left side plate 5 and the right side plate 6, and the U-shaped boss 7 is used for placing electronic equipment. Further, in order to realize the fixation of the electronic equipment, two side walls of the U-shaped boss 7 are provided with clamping assemblies 8 for clamping the electronic equipment placed on the U-shaped boss 7, and the electronic equipment placed on the U-shaped boss 7 is clamped through the clamping assemblies 8, so that the fixation of the electronic equipment after being placed is realized. Further, in order to prevent the internal heat accumulation of the electromagnetic shielding device, in this embodiment, a heat dissipation fin 9 is disposed at the opening of the U-shaped boss 7; in the in-service use process, the back of the electronic equipment is contacted with the top of the U-shaped boss 7, and the heat radiation fins 9 arranged at the opening of the U-shaped boss 7 are matched, so that the heat conduction of the electronic equipment is realized, the internal heat accumulation of the electromagnetic shielding device is further prevented, and the heat radiation effect of the electromagnetic shielding device is improved.
Further, referring to fig. 8 and 9, the clamping assembly 8 is composed of a chute 801, a slide block 802, a support plate 803, a spring 804 and a baffle 805, wherein the chute 801 is disposed on a side wall of the U-shaped boss 7, and the extending direction of the chute is parallel to the extending direction of the U-shaped boss 7, a first end of the slide block 802 is slidably disposed in the chute 801, a second end of the slide block 802 is connected with the support plate 803, the baffle 805 is slidably disposed on the support plate 803, the spring 804 is disposed between the baffle 805 and the slide block 802, one end of the spring 804 is connected with the baffle 805, and the other end is connected with the slide block 802. The clamping assembly 8 of the embodiment can be used for clamping most electronic equipment with large size by stretching and adjusting the size of the clamping space. Further, a carrying plate 806 is disposed on the baffle 805, and the carrying plate 806 is located above the spring 804 and parallel to the upper surface of the U-shaped boss 7, for placing electronic devices with the upper surface of the U-shaped boss 7.
Further, regarding the sealing by conductive adhesive mentioned above, in one implementation manner of the present embodiment, a strip-shaped groove 10 is formed on the contact end surfaces between the side plate and the bottom plate 1, between the side plate and the top cover 2, and between the side plates forming the rectangular closed box body, and the strip-shaped groove 10 is filled with conductive adhesive tape; the strips of conductive adhesive on each plate are in contact with each other during splicing.
Further, the extending direction of the heat dissipating fins 9 is parallel to the extending direction of the U-shaped boss 7, and in one implementation of this embodiment, the heat dissipating fins 9 and the U-shaped boss 7 are integrally formed, so as to improve the heat dissipating effect, and the materials of the U-shaped boss 7 and the heat dissipating fins 9 are not described in detail herein. In one implementation manner of this embodiment, the heat dissipation fins 9 are disposed across the bottom plate 1, and the two ends of the front side plate 3 and the rear side plate 4 corresponding to the U-shaped boss 7 are provided with bayonets 11, and two end surfaces of the heat dissipation fins 9 and the front side plate 3 and the rear side plate 4 are located in the same vertical direction.
Further, in order to facilitate the installation and fixation of the electromagnetic shielding device, the bottom of the bottom plate 1 is provided with an installation ear 12.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The electromagnetic shielding device for the electrical cabinet is characterized by comprising a bottom plate (1), a top cover (2) and side plates, wherein the bottom end of each side plate is connected with the bottom plate (1), the top end of each side plate is connected with the top plate, each side plate consists of a front side plate (3), a rear side plate (4), a left side plate (5) and a right side plate (6) and forms a rectangular closed box body in a surrounding manner, and the side plates and the bottom plate (1), the side plates and the top cover (2) and the side plates forming the rectangular closed box body are sealed through conductive adhesive;
the middle part of bottom plate (1) is protruding to form U type boss (7) of opening decurrent, the extending direction of U type boss (7) is parallel with left side board (5), right side board (6), the both sides wall of U type boss (7) is provided with clamping assembly (8) that are used for pressing from both sides tightly the electronic equipment of placing on U type boss (7), the opening part of U type boss (7) is provided with radiator fin (9).
2. Electromagnetic shielding device for electrical cabinets according to claim 1, characterized in that the clamping assembly (8) consists of a chute (801), a slide (802), a support plate (803), a spring (804) and a baffle (805), the chute (801) being arranged on the side wall of the U-shaped boss (7) and having an extension parallel to the extension of the U-shaped boss (7), the first end of the slide (802) being arranged slidingly in the chute (801), the second end of the slide (802) being connected to the support plate (803), the baffle (805) being arranged slidingly on the support plate (803), the spring (804) being arranged between the baffle (805) and the slide (802) and having one end connected to the baffle (805) and the other end connected to the slide (802).
3. The electromagnetic shielding device for an electrical cabinet according to claim 2, wherein a carrying plate (806) is provided on the baffle (805), and the carrying plate (806) is located above the spring (804) and parallel to the upper surface of the U-shaped boss (7).
4. Electromagnetic shielding device for electrical cabinets according to claim 1, characterized in that the contact end surfaces between the side plates and the bottom plate (1), between the side plates and the top cover (2) and between the side plates forming a rectangular closed cabinet are provided with strip-shaped grooves (10), and the strip-shaped grooves (10) are filled with conductive adhesive tapes.
5. Electromagnetic shielding device for electrical cabinets according to any one of claims 1 to 4, characterized in that the direction of extension of the heat radiation fins (9) is parallel to the direction of extension of the U-shaped bosses (7).
6. The electromagnetic shielding device for the electrical cabinet according to claim 5, wherein bayonets (11) are formed at two ends of the front side plate (3) and the rear side plate (4) corresponding to the U-shaped boss (7).
7. Electromagnetic shielding device for electrical cabinets according to claim 6, characterized in that the bottom of the base plate (1) is provided with mounting lugs (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321447426.2U CN220191335U (en) | 2023-06-07 | 2023-06-07 | Electromagnetic shielding device for electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321447426.2U CN220191335U (en) | 2023-06-07 | 2023-06-07 | Electromagnetic shielding device for electrical cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220191335U true CN220191335U (en) | 2023-12-15 |
Family
ID=89111168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321447426.2U Active CN220191335U (en) | 2023-06-07 | 2023-06-07 | Electromagnetic shielding device for electrical cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220191335U (en) |
-
2023
- 2023-06-07 CN CN202321447426.2U patent/CN220191335U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |