CN210514412U - Electromagnetic shielding room capable of layered protection - Google Patents
Electromagnetic shielding room capable of layered protection Download PDFInfo
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- CN210514412U CN210514412U CN201921200708.6U CN201921200708U CN210514412U CN 210514412 U CN210514412 U CN 210514412U CN 201921200708 U CN201921200708 U CN 201921200708U CN 210514412 U CN210514412 U CN 210514412U
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- protective layer
- inoxidizing coating
- shielding chamber
- waveguide
- protective
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Abstract
The utility model discloses an electromagnetic shield room that can layering protection, including interior shielding room, second inoxidizing coating and wire, the interior shielding room inboard is provided with first inoxidizing coating, and is provided with the earth connection bottom the first inoxidizing coating, the second inoxidizing coating all is provided with the guard gate with the junction and the second inoxidizing coating front side of first inoxidizing coating, and the guard gate outside all is provided with conductive rubber, the second inoxidizing coating sets up in the interior side of outer shielding room, the junction and the second inoxidizing coating front side of second inoxidizing coating and first inoxidizing coating all are provided with the wave guide. This electromagnetic shield room that can layering protection is provided with first inoxidizing coating and second inoxidizing coating, and the second inoxidizing coating setting is in first inoxidizing coating front side, and guard gate, waveguide pipe and waveguide window set up in the junction of first inoxidizing coating and second inoxidizing coating, and outer shield room carries out absorption reflection electromagnetic signal earlier, and interior shield room carries out the secondary protection, makes interior shield room protection more complete.
Description
Technical Field
The utility model relates to an electromagnetic shield room technical field specifically is an electromagnetic shield room that can the layering protection.
Background
In order to prevent external electromagnetic signals from interfering with the test and affecting the test result in the process of testing high-precision electronic components, the existing equipment needs to be improved.
The existing electromagnetic shielding chamber is simple in structure, an electromagnetic signal is isolated by adopting one protective layer, but the electromagnetic shielding chamber is inevitably connected with the outside due to reasons such as circuits and ventilation, the single protective layer cannot completely isolate the electromagnetic signal, the isolation effect is not ideal, and the protective door of the existing electromagnetic shielding chamber is communicated with the outside, so that the door cannot be freely opened and closed when the electromagnetic signal is isolated, and the existing equipment needs to be improved aiming at the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electromagnetic shield room that can layering protection to solve the current electromagnetic shield room simple structure who proposes in the above-mentioned background art, adopt the one deck inoxidizing coating to completely cut off electromagnetic signal, but electromagnetic shield room is because reasons such as circuit, ventilation, inevitable and external contact, and single inoxidizing coating can't completely cut off electromagnetic signal, makes isolated effect unsatisfactory, and the guard gate and external UNICOM of current electromagnetic shield room, when needing isolated electromagnetic signal, the problem of unable free switch door.
In order to achieve the above object, the utility model provides a following technical scheme: an electromagnetic shielding chamber capable of realizing layered protection comprises an inner shielding chamber, a second protective layer and a wire, wherein a first protective layer is arranged on the inner side of the inner shielding chamber, a grounding wire is arranged at the bottom of the first protective layer, a protective door is arranged at the joint of the second protective layer and the first protective layer and on the front side of the second protective layer, conductive rubber is arranged on the outer side of the protective door, the second protective layer is arranged on the inner side of the outer shielding chamber, a first sliding groove is arranged on the inner side of the second protective layer, waveguide tubes are arranged at the joint of the second protective layer and the first protective layer and on the front side of the second protective layer, waveguide windows are arranged at the joint of the second protective layer and the first protective layer and on the front side of the second protective layer, the waveguide windows are arranged on the right side of a waveguide 9, the waveguide tubes are arranged on the right side of the protective door, and, the conducting wire penetrates through the waveguide tube and is arranged inside the inner shielding chamber and the outer shielding chamber, and a power supply filter is arranged on the conducting wire.
Preferably, the first protective layer, the ground wire, the second protective layer, the conductive rubber, the waveguide tube and the waveguide window are electrically connected.
Preferably, the first protective layer and the second protective layer are both made of cold rolled steel and welded into a whole, and the second protective layer is arranged on the front side of the first protective layer.
Preferably, the grounding wires are arranged in two groups, and the two groups of grounding wires are respectively arranged at the bottom of the first protective layer and the bottom of the second protective layer.
Preferably, the protection door and the first sliding groove are connected in a sliding manner, and the other group of protection doors and the second sliding groove are connected in a sliding manner.
Preferably, the number of the power filters is two, and the two power filters are respectively arranged inside the outer shielding chamber and the inner shielding chamber.
Compared with the prior art, the beneficial effects of the utility model are that: the electromagnetic shielding chamber can be protected in a layered mode,
(1) the electromagnetic wave shielding device is provided with a first protective layer and a second protective layer, wherein the second protective layer is arranged on the front side of the first protective layer, a protective door, a waveguide tube and a waveguide window are arranged at the joint of the first protective layer and the second protective layer, an outer shielding chamber firstly absorbs and reflects electromagnetic signals, and an inner shielding chamber carries out secondary protection, so that the inner shielding chamber is protected more completely;
(2) be provided with two guard gates, interior shield room and outer shield room are connected to one guard gate, and outer shield room and external world are connected to another guard gate, through the transfer of outer shield room, even test in the interior shield room, also can freely pass in and out.
Drawings
Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic view of the left side view of the cross-section structure of the present invention.
In the figure: 1. the shielding device comprises an inner shielding chamber, 2, a first protective layer, 3, a grounding wire, 4, a protective door, 5, a second protective layer, 6, conductive rubber, 7, an outer shielding chamber, 8, a first sliding groove, 9, a waveguide tube, 10, a waveguide window, 11, a second sliding groove, 12, a wire, 13 and a power filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-3, the present invention provides a technical solution: an electromagnetic shielding chamber capable of layered protection is disclosed, as shown in fig. 1 and fig. 3, a first protective layer 2 is arranged at the inner side of an inner shielding chamber 1, a grounding wire 3 is arranged at the bottom of the first protective layer 2, the grounding wire 3, a second protective layer 5, conductive rubber 6, a waveguide tube 9 and a waveguide window 10 are electrically connected, the first protective layer 2, the second protective layer 5, the conductive rubber 6, the waveguide tube 9 and the waveguide window 10 form a closed conductor to absorb and reflect electromagnetic signals, induced charges in the two grounding wires 3 and in the closed conductor facilitate electromagnetic shielding of the inner shielding chamber 1 and an outer shielding chamber 7, the first protective layer 2 and the second protective layer 5 are both made of cold rolled steel welded into a whole, the second protective layer 5 is arranged at the front side of the first protective layer 2, the cold rolled steel has high magnetism and good conductivity and is convenient to process, two groups of grounding wires 3 are arranged, and two groups of grounding wires 3 are respectively arranged at the bottom of the first protective layer 2 and the bottom of the second protective layer 5, so that the first protective layer 2 and the second protective layer 5 can quickly neutralize and induce charges, a protective door 4 is arranged at the joint of the second protective layer 5 and the first protective layer 2 and at the front side of the second protective layer 5, conductive rubber 6 is arranged at the outer side of the protective door 4, the protective door 4 is connected with a first chute 8 in a sliding way, the other group of protective door 4 is connected with a second chute 11 in a sliding way, the protective door 4 connected with the outside is opened in a sliding way, the protective door 4 enters an outer shielding chamber 7, the protective door 4 is closed, the protective door connected with the inner shielding chamber 1 is opened in a sliding way, the protective door enters the inner shielding chamber 1, the inner shielding chamber 1 can conveniently enter and exit under the condition of having an electromagnetic shielding effect, the second protective layer 5 is arranged at the inner side of the outer shielding chamber 7, and the, the junction of the second protective layer 5 and the first protective layer 2 and the front side of the second protective layer 5 are both provided with waveguide tubes 9, the junction of the second protective layer 5 and the first protective layer 2 and the front side of the second protective layer 5 are both provided with waveguide windows 10, the waveguide windows 10 are arranged on the right side of the waveguide tubes 9, and the waveguide tubes 9 are arranged on the right side of the protective door 4.
As shown in fig. 1, 2 and 3, a second chute 11 is provided outside the outer shielding chamber 7, a conducting wire 12 penetrates through the waveguide 9 and is provided inside the inner shielding chamber 1 and inside the outer shielding chamber 7, a power filter 13 is provided on the conducting wire 12, two power filters 13 are provided, the two power filters 13 are respectively provided inside the outer shielding chamber 7 and inside the inner shielding chamber 1, and the power filter 13 filters the conducting wire 12 to prevent the conducting wire 12 from having noise.
The working principle is as follows: when the electromagnetic shielding room capable of layered protection is used, firstly, the model of the power filter 13 is VIP5-2A, the outer shielding room 7 is ventilated with the outside through the waveguide window 10, the pipeline such as the lead 12 enters the outer shielding room 7 through the waveguide tube 9, the protective door 4 is attached to the second protective layer 5, the conductive rubber 6 at the outer side of the protective door 4 is electrically connected with the second protective layer 5 through extrusion, the second protective layer 5, the conductive rubber 6, the waveguide tube 9 and the waveguide window 10 absorb the reflected electromagnetic signals, the grounding wire 3 at the lower side of the second protective layer 5 neutralizes induced charges to prevent the interference caused by electrostatic coupling, the inner shielding room 1 is arranged at the rear side of the outer shielding room 7, the components which can cause the electromagnetic signal leakage prevention of the protective door 4, the waveguide tube 9 and the waveguide window 10 are arranged at the connection part of the inner shielding room 1 and the outer shielding room 7, and the first protective layer 2, the conductive rubber 6, the waveguide tube 9, the induction charge is neutralized by the grounding wire 3 at the lower side of the first protective layer 2, so that the inner shielding chamber 1 is protected by double layers, the protection effect of the inner shielding chamber 1 is improved, the protective door 4 is pulled and slides rightwards along the second chute 11 to enter the outer shielding chamber 7, the protective door 4 is closed in a sliding manner, the protective door 4 connected with the first protective layer 2 is pulled and slides rightwards along the first chute 8 to enter the inner shielding chamber 1, the protective door 4 is closed in a sliding manner, the inner shielding chamber 1 and the outer shielding chamber 7 can be accessed under the condition that the protection effect is not damaged, the power filter 13 arranged on the lead 12 filters noise in the lead 12, and the whole work is completed.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. An electromagnetic shielding chamber capable of layered protection, comprising an inner shielding chamber (1), a second protective layer (5) and a wire (12), characterized in that: the waveguide shielding device is characterized in that a first protective layer (2) is arranged on the inner side of the inner shielding chamber (1), a grounding wire (3) is arranged at the bottom of the first protective layer (2), a protective door (4) is arranged at the joint of the second protective layer (5) and the first protective layer (2) and on the front side of the second protective layer (5), conductive rubber (6) is arranged on the outer side of the protective door (4), the second protective layer (5) is arranged on the inner side of the outer shielding chamber (7), a first sliding chute (8) is arranged on the inner side of the second protective layer (5), a waveguide tube (9) is arranged at the joint of the second protective layer (5) and the first protective layer (2) and on the front side of the second protective layer (5), a waveguide window (10) is arranged on the right side of the waveguide tube (9), meanwhile, the waveguide tube (9) is arranged on the right side of the protective door (4), a second sliding groove (11) is formed in the outer side of the outer shielding chamber (7), the guide wire (12) penetrates through the waveguide tube (9) and is arranged inside the inner shielding chamber (1) and the outer shielding chamber (7), and a power filter (13) is arranged on the guide wire (12).
2. The electromagnetic shielding room with layered protection as claimed in claim 1, wherein: the first protective layer (2), the grounding wire (3), the second protective layer (5), the conductive rubber (6), the waveguide tube (9) and the waveguide window (10) are electrically connected.
3. The electromagnetic shielding room with layered protection as claimed in claim 1, wherein: the first protective layer (2) and the second protective layer (5) are made of cold rolled steel and are welded into a whole, and the second protective layer (5) is arranged on the front side of the first protective layer (2).
4. The electromagnetic shielding room with layered protection as claimed in claim 1, wherein: the ground wires (3) are arranged in two groups, and the two groups of ground wires (3) are respectively arranged at the bottom of the first protective layer (2) and the bottom of the second protective layer (5).
5. The electromagnetic shielding room with layered protection as claimed in claim 1, wherein: the protective door (4) is connected with the first sliding groove (8) in a sliding manner, and the other group of protective doors (4) is connected with the second sliding groove (11) in a sliding manner.
6. The electromagnetic shielding room with layered protection as claimed in claim 1, wherein: the power filters (13) are arranged in two, and the two power filters (13) are respectively arranged in the outer shielding chamber (7) and the inner shielding chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200708.6U CN210514412U (en) | 2019-07-27 | 2019-07-27 | Electromagnetic shielding room capable of layered protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200708.6U CN210514412U (en) | 2019-07-27 | 2019-07-27 | Electromagnetic shielding room capable of layered protection |
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| Publication Number | Publication Date |
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| CN210514412U true CN210514412U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921200708.6U Active CN210514412U (en) | 2019-07-27 | 2019-07-27 | Electromagnetic shielding room capable of layered protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112739188A (en) * | 2020-12-25 | 2021-04-30 | 广东视控达智能科技有限公司 | High-heat-dissipation electromagnetic shielding device and heat dissipation method |
| CN115175083A (en) * | 2022-07-06 | 2022-10-11 | 广东万喜至工业设计有限公司 | Lifting type double-shielding-layer test box equipment |
-
2019
- 2019-07-27 CN CN201921200708.6U patent/CN210514412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112739188A (en) * | 2020-12-25 | 2021-04-30 | 广东视控达智能科技有限公司 | High-heat-dissipation electromagnetic shielding device and heat dissipation method |
| CN115175083A (en) * | 2022-07-06 | 2022-10-11 | 广东万喜至工业设计有限公司 | Lifting type double-shielding-layer test box equipment |
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