CN217904982U - Electromagnetic shielding cabinet door, cabinet and nuclear power equipment - Google Patents
Electromagnetic shielding cabinet door, cabinet and nuclear power equipment Download PDFInfo
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- CN217904982U CN217904982U CN202221560486.0U CN202221560486U CN217904982U CN 217904982 U CN217904982 U CN 217904982U CN 202221560486 U CN202221560486 U CN 202221560486U CN 217904982 U CN217904982 U CN 217904982U
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- cabinet door
- shielding
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- metal cover
- beryllium copper
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Abstract
The utility model discloses an electromagnetic shield cabinet door, rack and nuclear power generating equipment. The electromagnetic shielding cabinet door comprises a gap shielding assembly, wherein the gap shielding assembly comprises a first conductive shielding strip, a beryllium copper reed and a pressing sheet, the first conductive shielding strip is positioned between the cabinet door and the cabinet body, the beryllium copper reed is arranged on a frame of the cabinet body through the pressing sheet, and the first conductive shielding strip, the beryllium copper reed and the cabinet body form a shielding body structure capable of sealing a gap of the cabinet door; the ventilation hole shielding assembly comprises a perforated metal cover and a waveguide ventilation board, the perforated metal cover is arranged at the position of the ventilation hole of the cabinet door, and the waveguide ventilation board is arranged on one side, far away from the cabinet body, of the perforated metal cover. The utility model provides an electromagnetic shield cabinet door has carried out the detail processing in cabinet door gap department and cabinet door vent department simultaneously, has improved the electromagnetic shield efficiency of cabinet door, has promoted the electromagnetic shield efficiency of rack.
Description
Technical Field
The utility model relates to an electromagnetic shield technical field especially relates to an electromagnetic shield cabinet door, rack and nuclear power generating equipment.
Background
The equipment applied to the environment with severe electromagnetic environment mostly needs to meet the requirement of electromagnetic shielding. The electromagnetic shielding design is divided into three levels, namely a module level, a plug box level and a cabinet level, and the shielding difficulty and the shielding effect of the electromagnetic shielding design are continuously increased and weakened along with the continuous increase of the magnitude.
Module level shielding is a relatively ideal shielding mode, but the optional range of electrical equipment meeting electromagnetic shielding requirements in design is rare, and the cost is high, and common equipment in the market is mostly selected in conventional system design to realize system functions. Therefore, in order to ensure the normal operation of the system, the electromagnetic shielding requirement of the system can be realized only through shielding treatment of equipment shells such as a chassis, a cabinet and the like.
Because the cabinet door structure of rack is complicated, spare part is various, wherein inevitably has various gaps and hole, leads to the electromagnetic shield efficiency of cabinet door lower for the electromagnetic shield efficiency of rack is lower.
Therefore, how to improve the electromagnetic shielding effectiveness of the cabinet is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide an electromagnetic shielding cabinet door to improve the electromagnetic shielding effectiveness of the cabinet.
In order to achieve the above object, the present invention provides the following technical solutions:
an electromagnetic shielding cabinet door comprising:
the gap shielding assembly comprises a first conductive shielding strip, a beryllium copper reed and a pressing sheet, wherein the first conductive shielding strip is positioned between the cabinet door and the cabinet body, the beryllium copper reed is installed on a frame of the cabinet body through the pressing sheet, and the first conductive shielding strip, the beryllium copper reed and the cabinet body form a shielding body structure capable of sealing a gap of the cabinet door;
the ventilation hole shielding assembly comprises a perforated metal cover and a waveguide ventilating plate, wherein the perforated metal cover and the waveguide ventilating plate are arranged at the position of the ventilation hole of the cabinet door, and the waveguide ventilating plate is arranged on the perforated metal cover and is far away from one side of the cabinet body.
Preferably, in the above electromagnetic shielding cabinet door, the door lock of the cabinet door is independently disposed at the outer side of the shielding body structure, and the lock rod slot of the door lock is disposed at the outer side of the shielding body structure.
Preferably, in the electromagnetic shielding cabinet door, the beryllium copper reed is a double-layer beryllium copper reed.
Preferably, in the above electromagnetic shielding cabinet door, the pressing sheet is a stainless steel pressing sheet.
Preferably, in the above electromagnetic shielding cabinet door, the ventilation hole shielding assembly further includes foam disposed between the perforated metal cover and the waveguide ventilation board.
Preferably, in the above electromagnetic shielding cabinet door, the perforated metal cover is connected to the cabinet frame by bolts.
Preferably, in the above electromagnetic shielding cabinet door, the ventilation hole shielding assembly further includes a second conductive shielding strip for shielding a gap at a bolted joint between the perforated metal cover and the cabinet frame.
Preferably, in the above electromagnetic shielding cabinet door, the waveguide ventilation board is a hexagonal ventilation waveguide window.
A cabinet comprising an electromagnetically shielded cabinet door as claimed in any one of the preceding claims.
A nuclear power equipment comprises the electromagnetic shielding cabinet door.
When the electromagnetic shielding cabinet door provided by the utility model is used, as the beryllium copper reed of the gap shielding component is arranged on the frame of the cabinet body through the pressing sheet, the first conductive shielding strip is positioned between the cabinet door and the cabinet body, and the first conductive shielding strip, the beryllium copper reed and the cabinet body form a shielding body structure capable of sealing the gap, therefore, the gap shielding component can shield the gap of the cabinet door, and the electromagnetic shielding efficiency of the electromagnetic shielding cabinet door is improved; simultaneously, because ventilation hole shielding assembly is including setting up in the perforation metal covering and the waveguide ventilating board of the ventilation hole department of cabinet door, the waveguide ventilating board sets up in the one side that the cabinet body was kept away from to the perforation metal covering, consequently, uses through the combination of perforation metal covering and waveguide ventilating board, can make this electromagnetic shield cabinet door realize electromagnetic shield and radiating function in the ventilation hole department of cabinet door simultaneously. Therefore, the utility model provides an electromagnetic shield cabinet door has carried out the detail processing in cabinet door gap department and cabinet door vent department simultaneously, has improved the electromagnetic shield efficiency of cabinet door, has promoted the electromagnetic shield efficiency of rack.
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 view of an internal structure of an electromagnetic shielding cabinet door provided in an embodiment of the present invention;
fig. 2 is a schematic side view of an electromagnetic shielding cabinet door according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure view of an electromagnetic shielding cabinet door according to an embodiment of the present invention;
fig. 4 is a schematic view of an external structure of an electromagnetic shielding cabinet door according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the pressing sheet provided by the embodiment of the present invention for mounting the beryllium copper reed on the cabinet door.
Wherein 100 is a gap shielding component, 101 is a first conductive shielding strip, 102 is a beryllium copper reed, 103 is a pressing sheet, 200 is a vent hole shielding component, 201 is a perforated metal cover, 202 is a waveguide ventilation plate, 203 is foam, 204 is a second conductive shielding strip, 300 is a cabinet door, 301 is a door lock, and 400 is a cabinet body.
Detailed Description
In view of this, the core of the present invention is to provide an electromagnetic shielding cabinet door to improve the electromagnetic shielding performance of the cabinet.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
As shown in fig. 1 to 5, the embodiment of the present invention discloses an electromagnetic shielding cabinet door 300, which includes a gap shielding assembly 100 and a ventilation hole shielding assembly 200.
The gap shielding assembly 100 comprises a first conductive shielding strip 101, a beryllium copper reed 102 and a pressing sheet 103, wherein the first conductive shielding strip 101 is located between the cabinet door 300 and the cabinet body 400, the beryllium copper reed 102 is mounted on the frame of the cabinet body 400 through the pressing sheet 103, and the first conductive shielding strip 101, the beryllium copper reed 102 and the cabinet body 400 form a shielding body structure capable of closing a gap of the cabinet door 300 (an area between two closed dotted lines in fig. 1 and an area between two dotted lines in fig. 5 are shielding body structure areas); the ventilation hole shielding assembly 200 includes a perforated metal cover 201 and a waveguide ventilation board 202 disposed at a ventilation hole of the cabinet door 300, and the waveguide ventilation board 202 is disposed on a side of the perforated metal cover 201 away from the cabinet body 400.
When the electromagnetic shielding cabinet door 300 provided by the utility model is used, because the beryllium copper reed 102 of the gap shielding component 100 is installed on the frame of the cabinet body 400 through the pressing sheet 103, the first conductive shielding strip 101 is positioned between the cabinet door 300 and the cabinet body 400, and the first conductive shielding strip 101, the beryllium copper reed 102 and the cabinet body 400 form a shielding body structure capable of sealing the gap, therefore, the gap shielding component 100 can shield the gap of the cabinet door 300, and the electromagnetic shielding efficiency of the electromagnetic shielding cabinet door 300 is improved; meanwhile, since the ventilation hole shielding assembly 200 includes the perforated metal cover 201 and the waveguide ventilation board 202 disposed at the ventilation hole of the cabinet door 300, the waveguide ventilation board 202 is disposed at one side of the perforated metal cover 201 away from the cabinet body 400, and thus, the electromagnetic shielding cabinet door 300 can simultaneously achieve the electromagnetic shielding and heat dissipation functions at the ventilation hole of the cabinet door 300 through the combined use of the perforated metal cover 201 and the waveguide ventilation board 202. Therefore, the utility model provides an electromagnetic shield cabinet door 300 has carried out the detail processing in cabinet door 300 gap department and cabinet door 300 vent hole department simultaneously, has improved cabinet door 300's electromagnetic shield efficiency, has promoted the electromagnetic shield efficiency of rack.
Specifically, as shown in fig. 3 and 5, two opposite beryllium copper reeds 102 are fixed on the electromagnetic shielding cabinet door 300 after being pressed by the pressing sheet 103, so that deformation of the beryllium copper reeds 102 is reduced, the electromagnetic shielding effectiveness of the beryllium copper reeds 102 is improved, and the electromagnetic shielding effectiveness of the electromagnetic shielding cabinet door 300 is improved.
Moreover, the beryllium copper reed 102 may be a single-layer beryllium copper reed, or may be a double-layer beryllium copper reed, and any beryllium copper reed that can meet the use requirements is within the protection scope of the present invention; preferably, the beryllium copper spring plate 102 provided by the embodiment of the present invention is a double-layer beryllium copper spring plate, so as to further improve the electromagnetic shielding effectiveness of the electromagnetic shielding cabinet door 300.
Further, the door lock 301 of the electromagnetic shielding cabinet door 300 is independently disposed outside the shielding body structure, and the lock rod slot of the door lock 301 is disposed outside the shielding body structure, so as to prevent the door lock 301 from damaging the shielding body structure of the closed gap due to the installation gap between the door lock 301 and the door lock 301, and further improve the electromagnetic shielding effectiveness of the electromagnetic shielding cabinet door 300.
In addition, the pressing sheet 103 may be an aluminum alloy pressing sheet, a stainless steel pressing sheet, or a brass pressing sheet, and any type that can meet the use requirement is within the protection scope of the present invention; optionally, the utility model provides a preforming 103 is the stainless steel preforming, when satisfying operation requirement, has better economic nature.
The utility model provides a ventilation hole shielding component 200 is still including setting up the cotton 203 of bubble between perforation metal covering 201 and waveguide ventilating board 202 to in play dustproof function through the cotton 203 of bubble.
It should be noted that the perforated metal cover 201 and the frame of the cabinet 400 may be connected by means of bolts, clips or joggles, and the like, and all connection modes that can meet the use requirements belong to the protection scope of the present invention; optionally, the embodiment of the utility model provides a perforated metal cover 201 passes through bolted connection with cabinet body 400 frame, simple structure, the installation and dismantlement of being convenient for.
Furthermore, the ventilation hole shielding assembly 200 further includes a second conductive shielding strip 204, so as to shield the gap at the bolt joint between the perforated metal cover 201 and the frame of the cabinet 400 through the second conductive shielding strip 204, thereby further improving the electromagnetic shielding effectiveness of the electromagnetic shielding cabinet door 300.
It should be understood that the waveguide ventilation board 202 may be a hexagonal ventilation waveguide window, a square ventilation waveguide window, a circular ventilation waveguide window, etc., and any shape that can meet the use requirement is within the protection scope of the present invention; preferably, the waveguide ventilation board 202 provided by the embodiment of the present invention adopts a hexagonal ventilation waveguide window, and under the condition of equal insertion attenuation capability, the waveform allowed to propagate by the hexagonal waveguide is less, which is more beneficial to the isolation of electromagnetic waves, and is beneficial to improving the electromagnetic shielding effectiveness of the electromagnetic shielding cabinet door 300.
Furthermore, the utility model also discloses a cabinet, include as above arbitrary electromagnetic shield cabinet door 300, consequently compromise all technological effects of above-mentioned electromagnetic shield cabinet door 300, this paper is no longer repeated here.
The utility model also discloses a nuclear power equipment, include as above arbitrary electromagnetic shield cabinet door 300, consequently compromise all technological effects of above-mentioned electromagnetic shield cabinet door 300, this paper is no longer repeated here one by one.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electromagnetic shielding cabinet door, comprising:
the gap shielding assembly comprises a first conductive shielding strip, a beryllium copper reed and a pressing sheet, wherein the first conductive shielding strip is positioned between the cabinet door and the cabinet body, the beryllium copper reed is installed on a frame of the cabinet body through the pressing sheet, and the first conductive shielding strip, the beryllium copper reed and the cabinet body form a shielding body structure capable of sealing a gap of the cabinet door;
the ventilation hole shielding assembly comprises a perforated metal cover and a waveguide ventilating plate, wherein the perforated metal cover and the waveguide ventilating plate are arranged at the position of the ventilation hole of the cabinet door, and the waveguide ventilating plate is arranged on the perforated metal cover and is far away from one side of the cabinet body.
2. The electromagnetically shielded cabinet door of claim 1, wherein the door lock of the cabinet door is independently disposed at an outer side of the shielding body structure, and the locking bar insertion slot of the door lock is disposed at the outer side of the shielding body structure.
3. The electromagnetic shielding cabinet door according to claim 1, wherein the beryllium copper reed is a double-layer beryllium copper reed.
4. The electromagnetically shielded cabinet door of claim 1, wherein the wafers are stainless steel wafers.
5. The electromagnetically shielded cabinet door of claim 1, wherein the vent shield assembly further comprises foam disposed between the perforated metal cover and the waveguide ventilation board.
6. The electromagnetically shielded cabinet door of claim 5, wherein the perforated metal cover is bolted to the cabinet frame.
7. The electromagnetically shielded cabinet door of claim 1, wherein the vent shield assembly further comprises a second electrically conductive shield strip for shielding a gap at the bolted connection of the perforated metal cover and the cabinet frame.
8. The electromagnetically shielded cabinet door of claim 1, wherein the waveguide ventilation board is a hexagonal ventilation waveguide window.
9. A cabinet comprising an electromagnetically shielded cabinet door as claimed in any one of claims 1 to 8.
10. A nuclear power plant, characterized in that it comprises an electromagnetically shielded cabinet door according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221560486.0U CN217904982U (en) | 2022-06-21 | 2022-06-21 | Electromagnetic shielding cabinet door, cabinet and nuclear power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221560486.0U CN217904982U (en) | 2022-06-21 | 2022-06-21 | Electromagnetic shielding cabinet door, cabinet and nuclear power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217904982U true CN217904982U (en) | 2022-11-25 |
Family
ID=84130039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221560486.0U Active CN217904982U (en) | 2022-06-21 | 2022-06-21 | Electromagnetic shielding cabinet door, cabinet and nuclear power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217904982U (en) |
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2022
- 2022-06-21 CN CN202221560486.0U patent/CN217904982U/en active Active
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