CN215819294U - Card-inserting type shielding case - Google Patents
Card-inserting type shielding case Download PDFInfo
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- CN215819294U CN215819294U CN202121698532.9U CN202121698532U CN215819294U CN 215819294 U CN215819294 U CN 215819294U CN 202121698532 U CN202121698532 U CN 202121698532U CN 215819294 U CN215819294 U CN 215819294U
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- shielding
- card
- shell
- shielding shell
- inner cavity
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Abstract
The utility model discloses a card-inserting type shielding case used in the field of electronic equipment cases, in particular to a card-inserting type shielding case in the field of electromagnetic shielding cases, which comprises a shielding shell and cover plates used for sealing two opposite side surfaces of the shielding shell, wherein a shielding inner cavity is arranged in the shielding shell, an insertion hole for inserting a device card unit into the shielding inner cavity is formed in the side wall of the shielding shell corresponding to the shielding inner cavity, the device card unit comprises at least one device card, a shielding plate fixed on the shielding shell is arranged at the end part of each device card adjacent to the insertion hole, the device card can be changed in the shielding inner cavity in a plug-in and pull mode, a vent is arranged opposite to the side surface of the shielding shell and the mounting surface of the shielding plate, the utility model has simple structure, can facilitate the replacement of the device card and ensure the heat dissipation, and in addition, the shielding shell and the shielding inner cavity can respectively shield the device card, the electromagnetic shielding device has a good electromagnetic shielding effect, and can facilitate the installation and use of electronic equipment.
Description
Technical Field
The utility model relates to the field of electronic equipment cases, in particular to a card-inserting type shielding case.
Background
Electromagnetic waves are generated in the working process of electronic equipment, and the electromagnetic waves can cause electromagnetic interference on other electric and electronic equipment, so that the transmission of electronic signals is influenced, and even the fault of the equipment is caused. Therefore, it is necessary to mount the electronic device in a housing having a function of shielding electromagnetic waves to ensure the normal operation of the electronic device.
The existing common shielding case on the market is of a fully-closed structure for meeting the electromagnetic compatibility requirement and ensuring the shielding effect, the heat dissipation effect is poor, the normal work of electronic equipment can be influenced, the reliability is reduced, the service life of the electronic equipment can be shortened, and the use cost of the equipment is increased. If the shielding waveguide material is adopted to manufacture the air outlet area, although the heat dissipation effect and the electromagnetic compatibility effect can be ensured to be achieved at the same time, the material is high in price, and the manufacturing cost of the case can be greatly increased. In addition, most of the existing shielding cases can only fix and install electronic equipment with the same size, and are not beneficial to replacement and maintenance of the equipment.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a card-inserting type shielding case, which solves the problem that electronic equipment in the prior shielding case is inconvenient to replace and maintain.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the side wall of the shielding shell corresponding to the shielding inner cavity is provided with an insertion hole for inserting the equipment board card unit into the shielding inner cavity; the equipment board card unit comprises at least one equipment board card, and a shielding plate fixed on the shielding shell is installed at the end part, adjacent to the insertion hole, of each equipment board card.
Furthermore, the two opposite side surfaces of the equipment board card unit in the length direction are provided with guide strips, the upper inner surface and the lower inner surface of the shielding inner cavity are provided with guide grooves matched with the guide strips, the position of the equipment board card can be limited, and the equipment board card is convenient to pull out and insert for replacement.
The groove used for embedding the shielding conductive adhesive tape is formed in the edge, in contact with the shielding shell, of the cover plate, the diameter of the shielding conductive adhesive tape is slightly larger than the depth of the groove, the conductive adhesive tape is extruded by the cover plate to be in interference fit with the groove, and therefore the gap between the cover plate and the shielding shell is completely filled, and the reduction of the shielding effect caused by the gap between the cover plate and the shielding shell is avoided.
Preferably, the side face of the shielding shell and the opposite face of the shielding plate mounting face are provided with the ventilation openings, so that the working heat of the equipment board card unit can be fully dissipated, and the normal working temperature is maintained.
The shielding plate and the shielding shell are provided with a plurality of through holes at corresponding positions for fixedly connecting the shielding plate and the shielding shell; the shielding plate with shielding shell is the screw connection, can fully reduce the clearance between the two, guarantees the shielding to electromagnetic signal.
Preferably, the vent is formed by a plurality of through holes arranged in an array, the diameter of each through hole is 3.2mm, the thickness of the shielding shell is larger than 10mm, and the shielding case can be protected from stronger electromagnetic signals when the ventilation and heat dissipation effects are improved.
The side face of the shielding shell is provided with the protruding portion relative to the mounting face of the shielding plate, and a certain protection effect can be achieved on the mounting face of the equipment board card unit.
The utility model has the beneficial effects that:
carry out the design of electromagnetic shield through shielding shell and shielding inner chamber to the equipment integrated circuit board simultaneously for electronic equipment can realize the formula quick replacement of inserting of pulling out in the shielding case, and improved the shielding ability of whole shielding case, the design of vent can satisfy electromagnetic shield's effect simultaneously under the radiating condition of assurance in addition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural diagram of a card-insertion type shielding case;
in the figure, the air conditioner comprises a shielding shell 1, a shielding inner cavity 2, a shielding inner cavity 3, a conductive adhesive tape 4, a cover plate 5, a shielding plate 6, an equipment board card unit 7 and a ventilation opening.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all changes that come within the meaning and range of equivalency of the claims are to be embraced therein.
As shown in fig. 1, the card-inserting type shielding chassis provided by the present scheme includes a shielding shell 1 and a cover plate 4 for closing two opposite side surfaces of the shielding shell 1, a shielding inner cavity 2 is provided in the shielding shell 1, and an insertion hole for inserting a device board card unit 6 into the shielding inner cavity 2 is provided on a side wall of the shielding shell 1 corresponding to the shielding inner cavity 2; the equipment board card unit 6 comprises at least one equipment board card, and the end part of each equipment board card, which is adjacent to the insertion hole, is provided with a shielding plate 5 fixed on the shielding shell 1.
The edge of the cover plate 5 contacting with the shielding shell 1 is provided with a groove for embedding the shielding conductive adhesive tape 3, the diameter of the shielding conductive adhesive tape 3 is slightly larger than the depth of the groove, and after the cover plate is fixedly connected with the shielding shell, the conductive adhesive tape and the groove are in interference fit, so that a good sealing effect is ensured, and the electromagnetic shielding effect is improved.
During implementation, the side of the shielding shell 1 and the opposite surface of the mounting surface of the shielding plate 5 are preferably provided with the ventilation opening 8, so that the heat generated during the operation of the equipment board card can be fully dissipated, and the normal working temperature is maintained.
Referring to fig. 1 again, the two opposite side surfaces of the equipment board card unit 6 in the length direction are provided with guide strips, and guide grooves matched with the guide strips are formed in the upper inner surface and the lower inner surface of the shielding inner cavity 2, so that the position of an equipment board card can be limited, and the equipment board card unit is convenient to pull out and insert for replacement.
The shielding plate 5 and the shielding shell 1 are provided with a plurality of through holes corresponding to each other for fixedly connecting the shielding plate and the shielding shell; the shielding plate 5 is connected with the shielding shell 1 through screws, so that the gap between the shielding plate and the shielding shell can be fully reduced, and the electromagnetic shielding effect is enhanced.
During implementation, the preferred vent 8 of this scheme constitutes for the through-hole that a plurality of arrays were arranged, and the diameter of through-hole is 3.2mm, shielding case's thickness is greater than 10mm, can improve ventilation cooling's effect, guarantees shielding case electromagnetic shield's effect simultaneously.
Furthermore, the side surface of the shielding shell 1 is provided with a convex part relative to the mounting surface of the shielding plate 5, so that a certain protection effect can be achieved on the mounting surface of the equipment board card unit.
The following describes the usage of the card-insertion type shielding case of the present scheme with reference to fig. 1:
install shielding inner chamber 2 at the inside of shielded enclosure 1 at first, then insert shielding inner chamber 2 with equipment integrated circuit board 6 to install shielding plate 5 on equipment integrated circuit board 6 on shielded enclosure 1 through the screw, pack busbar 3 in the recess of shielded enclosure 1 at last, will lap 4 and shielded enclosure 1 fixed connection at last, just so can accomplish the dual electromagnetic shield of two closed cavity of shielded inner chamber 2 and shielded enclosure to electronic equipment.
In conclusion, the utility model solves the problem that the electronic equipment in the existing shielding case is inconvenient to replace, improves the electromagnetic shielding effect of the shielding case, ensures the heat dissipation effect of the shielding case, and has the advantages of simple structure, strong electromagnetic shielding effect and good application prospect.
Claims (7)
1. The card-inserting type shielding case is characterized by comprising a shielding shell (1) and cover plates (4) used for sealing two opposite side surfaces of the shielding shell (1), wherein a shielding inner cavity (2) is formed in the shielding shell (1), and insertion holes for inserting equipment card units (6) into the shielding inner cavity (2) are formed in the side walls of the shielding shell (1) corresponding to the shielding inner cavity (2); the equipment board card unit (6) comprises at least one equipment board card, and a shielding plate (5) fixed on the shielding shell (1) is installed at the end part of each equipment board card adjacent to the insertion hole.
2. The card-inserting type shielding case according to claim 1, wherein the edge of the cover plate (4) contacting with the shielding shell (1) is provided with a groove for embedding the shielding conductive adhesive tape (3), the diameter of the shielding conductive adhesive tape (3) is larger than the depth of the groove, and the two are in interference fit.
3. The card-insertion type shielding case according to claim 1, wherein a ventilation opening (8) is provided on a side surface of the shielding shell (1) and an opposite surface of a mounting surface of the shielding plate (5).
4. The card-inserting type shielding chassis according to claim 1, wherein guide strips are arranged on two opposite side surfaces of the equipment card unit (6) in the length direction, and guide grooves matched with the guide strips are arranged on the upper inner surface and the lower inner surface of the shielding inner cavity (2).
5. The card-inserting type shielding case according to claim 1, wherein a plurality of through holes for fixedly connecting the shielding plate (5) and the shielding shell (1) are arranged at corresponding positions; the shielding plate (5) is in screw connection with the shielding shell (1).
6. A card-inserted shielding cage according to claim 3, wherein the ventilation openings (8) are formed by a plurality of through holes arranged in an array, the diameter of the through holes is 3.2mm, and the thickness of the shielding shell is at least 10 mm.
7. The card-insertion-type shielding cage according to claim 1, wherein the side face of the shielding shell (1) is provided with a projection with respect to a mounting face of the shielding plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121698532.9U CN215819294U (en) | 2021-07-23 | 2021-07-23 | Card-inserting type shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121698532.9U CN215819294U (en) | 2021-07-23 | 2021-07-23 | Card-inserting type shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215819294U true CN215819294U (en) | 2022-02-11 |
Family
ID=80184204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121698532.9U Active CN215819294U (en) | 2021-07-23 | 2021-07-23 | Card-inserting type shielding case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215819294U (en) |
-
2021
- 2021-07-23 CN CN202121698532.9U patent/CN215819294U/en active Active
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