CN213125585U - Direct current power supply screen with electromagnetic shielding function - Google Patents
Direct current power supply screen with electromagnetic shielding function Download PDFInfo
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- CN213125585U CN213125585U CN202021469796.2U CN202021469796U CN213125585U CN 213125585 U CN213125585 U CN 213125585U CN 202021469796 U CN202021469796 U CN 202021469796U CN 213125585 U CN213125585 U CN 213125585U
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Abstract
The utility model discloses a direct current power supply screen with electromagnetic shielding function, a perspective shielding glass door arranged in front of a cabinet body is beneficial to the visual reading of various data on a screen panel by workers on one hand, and can shield electromagnetism on the other hand; adopt mosaic structure between electromagnetism sealing liner and the door frame, can improve the sealing performance between electromagnetism sealing liner and the door frame, can avoid the dust to get into simultaneously, improve sealed effect. The holding tank of first silica gel piece with stretch out the electromagnetic seal gasket cooperation outside the first caulking groove, when the back door was closed, the electromagnetic seal gasket atress warp, is full of holding tank and first caulking groove, improves the leakproofness of back door and the cabinet body, prevents that the electromagnetism from revealing, can also avoid external electromagnetic signal to get into in the direct current screen simultaneously, improve electromagnetic shield effect.
Description
Technical Field
The utility model belongs to direct current power supply screen field, in particular to direct current power supply screen with electromagnetic shield function.
Background
The direct-current power supply cabinet is also called a direct-current screen, is short for a direct-current power supply operating system and is commonly named as an intelligent maintenance-free direct-current power supply screen. In short, a dc panel is a device that provides a stable dc power supply. The direct-current power supply screen is mostly composed of a closed structure, and only one side of the switch door is reserved for maintenance and operation. Other closed surfaces are not easy to be interfered by electromagnetic signals, but gaps are formed at the joint of the opening and closing door and other surfaces, so that the electromagnetism generated by the equipment is easy to leak out from the gaps, and meanwhile, the outside electromagnetism can enter the interior of the direct-current power supply screen from the gaps.
SUMMERY OF THE UTILITY MODEL
The utility model provides a DC power supply screen with electromagnetic shield function has good sealed effect, not only can avoid the electromagnetism that DC current screen produced to reveal, but also can avoid external electromagnetism to enter into the power screen in, improve electromagnetic shield effect.
The technical scheme of the utility model is realized like this:
a direct current power supply panel having an electromagnetic shielding function, comprising:
a cabinet body;
the front of the cabinet body is provided with a screen panel, the front of the screen panel is pivoted with a perspective shielding glass door, and the rear of the screen panel is pivoted with a rear door;
a door frame is integrally formed at the rear part of the cabinet body, which is contacted with the rear door, a first caulking groove is formed in the door frame, and a circle of the first caulking groove is distributed along the circumferential direction of the door frame; an electromagnetic sealing gasket is arranged in the first caulking groove, one side of the electromagnetic sealing gasket extends out of the first caulking groove, a first silica gel sheet corresponding to the electromagnetic sealing gasket in position is arranged on the rear door, and a containing groove matched with the electromagnetic sealing gasket extending out of the first caulking groove is formed in the first silica gel sheet.
Furthermore, the front of the cabinet body is provided with a screen panel, and the perspective shielding glass door comprises a frame body and a perspective shielding glass body arranged in the frame body;
a second caulking groove is formed in the inner side of the frame body, and the second caulking groove is distributed for a circle along the circumferential direction of the frame body; a sealing strip is arranged in the second caulking groove, and a second silica gel sheet corresponding to the sealing strip is arranged on the screen panel; the second silica gel piece is provided with a mortise, and the sealing strip is provided with a tenon extending into the mortise.
Furthermore, the sealing strip comprises a first air bag fixed in the second caulking groove, one end of the first air bag far away from the second caulking groove is provided with a tenon, the joint of the first air bag and the tenon is provided with two second air bags, and the second air bags are arranged outside the second caulking groove;
the tenon is internally provided with a deformation adaptive cavity with a hollow structure.
Furthermore, the lateral walls of the two sides of the cabinet body are provided with electromagnetic shielding nets.
Further, an arc baffle is arranged on the side wall of the cabinet body above the cabinet electromagnetic shielding net in a matching manner.
Further, the electromagnetic sealing gasket is a rubber core braided net sleeve or a conductive rubber gasket.
Further, the back door is of a two-leaf split door structure.
Furthermore, the position that two back doors contacted all is provided with no asbestos seal gasket.
The utility model provides a DC power supply screen with electromagnetic shield function has following advantage:
1) the perspective shielding glass door arranged in front of the cabinet body is beneficial to the visual reading of various data on the screen panel by workers and can shield electromagnetism;
2) adopt mosaic structure between electromagnetism sealing liner and the door frame, can improve the sealing performance between electromagnetism sealing liner and the door frame, can avoid the dust to get into simultaneously, improve sealed effect. The holding tank of first silica gel piece with stretch out the electromagnetic seal gasket cooperation outside the first caulking groove, when the back door was closed, the electromagnetic seal gasket atress warp, is full of holding tank and first caulking groove, improves the leakproofness of back door and the cabinet body, prevents that the electromagnetism from revealing, can also avoid external electromagnetic signal to get into in the direct current screen simultaneously, improve electromagnetic shield effect.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dc power supply panel with an electromagnetic shielding function according to the present invention;
FIG. 2 is a schematic structural view of the cabinet and the transparent shielding glass door shown in FIG. 1;
FIG. 3 is a schematic structural view of the cabinet and the rear door shown in FIG. 1;
fig. 4 is a schematic structural view of the electromagnetic sealing gasket and the first silicone sheet in fig. 1;
fig. 5 is a schematic structural view of the sealing strip and the second silicone sheet in fig. 1.
In the figure:
1. a cabinet body; 2. a see-through shielded glass door; 3. a rear door; 4. a door frame; 5. a frame body; 6. an electromagnetic seal gasket; 7. a first silica gel sheet; 8. accommodating grooves; 9. a screen panel; 10. a second silica gel sheet; 11. a sealing strip; 12. mortises; 13. a tenon; 14. a first air bag; 15. a second air bag; 16. an electromagnetic shielding mesh; 17. an arc-shaped baffle plate; 18. there is no asbestos gasket seal.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
With reference to fig. 1-5, the present invention provides a dc power supply panel with electromagnetic shielding function, which comprises a cabinet body 1; the front of the cabinet body 1 is provided with a screen panel 9, the front of the screen panel 9 is pivoted with a perspective shielding glass door 2, and the rear is provided with a rear door 3. The front of the cabinet body 1 of the utility model is provided with the screen panel 9, in order to protect the screen panel 9, various data on the screen panel 9 can be read visually at the same time, the front of the cabinet body 1 is provided with the perspective shielding glass door 2, the perspective shielding glass door 2 can not only protect the screen panel 9, but also enable the staff to read various data on the screen panel 9 visually, and can also play a role of shielding electromagnetism; the arrangement of the rear door 3 is beneficial to the maintenance of the direct current screen by workers.
In the utility model, a door frame 4 is integrally formed at the back of the cabinet body 1 and the contact part of the rear door 3, a first caulking groove is arranged on the door frame 4, and a circle of the first caulking groove is distributed along the circumferential direction of the door frame 4; an electromagnetic sealing gasket 6 is arranged in the first caulking groove, one side of the electromagnetic sealing gasket 6 extends out of the first caulking groove, a first silica gel sheet 7 corresponding to the electromagnetic sealing gasket 6 in position is arranged on the rear door 3, and an accommodating groove 8 matched with the electromagnetic sealing gasket 6 extending out of the first caulking groove is formed in the first silica gel sheet 7. Adopt mosaic structure between electromagnetism sealing pad 6 and the door frame 4, can improve the sealing performance between electromagnetism sealing pad 6 and the door frame 4, can avoid the dust to get into simultaneously, improve sealed effect. Holding tank 8 of first silica gel piece 7 with stretch out the outer electromagnetic seal gasket 6 cooperation of first caulking groove, when back door 3 closed, electromagnetic seal gasket 6 atress compression can improve the leakproofness of back door 3 and the cabinet body 1, prevents that the electromagnetism from revealing, can also avoid external electromagnetic signal to get into in the direct current screen simultaneously, improves electromagnetic shield effect.
It should be noted that the electromagnetic sealing gasket 6 is fixed in the first caulking groove by means of gluing.
Furthermore, the perspective shielding glass door 2 comprises a frame body 5 and a perspective shielding glass body arranged in the frame body 5; a second caulking groove is formed in the inner side of the frame body 5, and the second caulking groove is distributed for one circle along the circumferential direction of the frame body 5; a sealing strip 11 is arranged in the second caulking groove, and a second silica gel sheet 10 corresponding to the sealing strip 11 is arranged on the screen panel 9; the second silica gel piece 10 is provided with a mortise 12, and the sealing strip 11 is provided with a tenon 13 extending into the mortise 12. When the perspective shielding glass door 2 covers the screen panel 9, the sealing strip 11 is pressed on the silica gel sheet, so that the sealing performance between the perspective shielding glass door 2 and the cabinet body 1 is improved, electromagnetic leakage is prevented, and the electromagnetic shielding effect is improved.
It should be noted that the sealing strip 11 is also fixed in the second caulking groove by gluing.
Furthermore, the sealing strip 11 comprises a first air bag 14 fixed in the second caulking groove, one end of the first air bag 14 far away from the second caulking groove is provided with a tenon 13, the joint of the first air bag 14 and the tenon 13 is provided with two second air bags 15, and the two second air bags 15 are arranged on the frame body 5 at the front end and the rear end of the second caulking groove; the tenon 13 is internally provided with a deformation adaptive cavity with a hollow structure. When the perspective shielding glass door 2 is covered on the screen panel 9, the tenon 13 extends into the tenon groove 12, and the tenon 13 is a deformation adaptive cavity with a hollow structure, so that the first air bag 14 is fully filled in the second mortise groove 12 and the tenon 13 is fully filled in the tenon groove 12 by pressing the first air bag 14 and the tenon 13 to deform, the sealing performance between the glass door 2 and the cabinet body 1 is improved, electromagnetic leakage is prevented, and the electromagnetic shielding effect is improved; and the two second air bags 15 improve the sealing performance between the screen panel 9 and the perspective shielding glass door 2 under the pressing effect.
Furthermore, the side walls of the two sides of the cabinet body 1 are both provided with electromagnetic shielding nets 16. The electromagnetic shielding net 16 is a net structure, which can not only prevent high-frequency electromagnetic interference, suppress interference generated by electromagnetic field coupling when the distance between the noise source and the sensitive equipment is far, but also achieve the effects of ventilation, air exhaust and heat dissipation.
An arc-shaped baffle 17 is arranged on the side wall of the cabinet body 1 above the electromagnetic shielding net 16 in a matching way, and the arc-shaped baffle 17 can prevent rainwater and dust from entering.
Further, the electromagnetic sealing gasket 6 is a rubber core braided net sleeve or a conductive rubber gasket.
The rear door 3 may have a single-door structure or a two-door structure. When the back door 3 is a two-leaf split door structure, in order to ensure the sealing effect of the direct current screen, the positions where the two back doors 3 are contacted are both provided with asbestos-free sealing gaskets 18.
The utility model discloses well electromagnetic shield is effectual, when preventing that the electromagnetism from revealing, can also effectively avoid external electromagnetism to get into for the direct current power supply screen receives the interference signal influence to take place the malfunction.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (8)
1. A direct current power supply panel with an electromagnetic shielding function, comprising:
a cabinet body (1);
the front of the cabinet body (1) is provided with a screen panel (9), the front of the screen panel (9) is pivoted with a perspective shielding glass door (2), and the rear is provided with a rear door (3);
a door frame (4) is integrally formed at the rear part of the cabinet body (1) which is contacted with the rear door (3), a first caulking groove is formed on the door frame (4), and the first caulking groove is distributed for a circle along the circumferential direction of the door frame (4); an electromagnetic sealing gasket (6) is arranged in the first caulking groove, one side of the electromagnetic sealing gasket (6) extends out of the first caulking groove, a first silica gel sheet (7) corresponding to the electromagnetic sealing gasket (6) in position is arranged on the rear door (3), and an accommodating groove (8) matched with the electromagnetic sealing gasket (6) extending out of the first caulking groove is formed in the first silica gel sheet (7).
2. The direct-current power supply screen with the electromagnetic shielding function according to claim 1, wherein the perspective shielding glass door (2) comprises a frame body (5) and a perspective shielding glass body arranged in the frame body (5);
a second caulking groove is formed in the inner side of the frame body (5), and the second caulking groove is distributed in a circle along the circumferential direction of the frame body (5); a sealing strip (11) is arranged in the second caulking groove, and a second silica gel sheet (10) corresponding to the sealing strip (11) in position is arranged on the screen panel (9); the second silica gel sheet (10) is provided with a mortise (12), and the sealing strip (11) is provided with a tenon (13) extending into the mortise (12).
3. The direct-current power supply screen with the electromagnetic shielding function according to claim 2, wherein the sealing strip (11) comprises a first air bag (14) fixed in the second caulking groove, a tenon (13) is arranged at one end of the first air bag (14) far away from the second caulking groove, two second air bags (15) are arranged at the joint of the first air bag (14) and the tenon (13), and the two second air bags (15) are arranged on the frame bodies (5) at the front end and the rear end of the second caulking groove;
the tenon (13) is internally provided with a deformation adaptive cavity with a hollow structure.
4. The direct-current power supply screen with the electromagnetic shielding function according to claim 1, wherein the side walls of the cabinet body (1) at both sides are provided with electromagnetic shielding nets (16).
5. The DC power supply panel with electromagnetic shielding function according to claim 4, wherein the side wall of the cabinet body (1) above the electromagnetic shielding net (16) is provided with an arc-shaped baffle (17) in a matching way.
6. The direct current power supply screen with electromagnetic shielding function according to claim 1, wherein the electromagnetic sealing gasket (6) is a rubber core woven mesh or a conductive rubber gasket.
7. The screen according to claim 1, wherein the back door (3) is a two-piece door structure.
8. The screen according to claim 7, characterized in that the contact position of the two back doors (3) is provided with asbestos-free sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469796.2U CN213125585U (en) | 2020-07-23 | 2020-07-23 | Direct current power supply screen with electromagnetic shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469796.2U CN213125585U (en) | 2020-07-23 | 2020-07-23 | Direct current power supply screen with electromagnetic shielding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213125585U true CN213125585U (en) | 2021-05-04 |
Family
ID=75679294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021469796.2U Active CN213125585U (en) | 2020-07-23 | 2020-07-23 | Direct current power supply screen with electromagnetic shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213125585U (en) |
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2020
- 2020-07-23 CN CN202021469796.2U patent/CN213125585U/en active Active
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