CN106093490A - Anti-electromagnetic interference casing - Google Patents
Anti-electromagnetic interference casing Download PDFInfo
- Publication number
- CN106093490A CN106093490A CN201610534904.1A CN201610534904A CN106093490A CN 106093490 A CN106093490 A CN 106093490A CN 201610534904 A CN201610534904 A CN 201610534904A CN 106093490 A CN106093490 A CN 106093490A
- Authority
- CN
- China
- Prior art keywords
- plug division
- casing
- chamber door
- electromagnetic interference
- conducting metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
Abstract
The invention provides a kind of anti-electromagnetic interference casing, this anti-electromagnetic interference casing includes casing and chamber door, and casing has opening, and chamber door is arranged on opening part.Casing and chamber door are made up of electromagnetic armouring structure plate, detection equipment is put into this anti-electromagnetic interference casing and is just avoided that the detection equipment of casing is disturbed by the electromagnetic wave of extraneous generation.The opening part of casing is provided with shielding doorframe, and shielding doorframe includes installation portion and conducting metal Plug Division.Installation portion is arranged on the edge of opening part, and conducting metal Plug Division is arranged on installation portion, and chamber door is provided with the connecting portion matched with conducting metal Plug Division.Chamber door has closed position that connecting portion is connected and the open position that connecting portion separates with conducting metal Plug Division with conducting metal Plug Division.Technical scheme can efficiently solve the problem easily interfered detection equipment in prior art when transformer station carries out switching manipulation.
Description
Technical field
The present invention relates to technical field of electric power, in particular to a kind of anti-electromagnetic interference casing.
Background technology
At present, the problem that transformer station generally also exists electromagnetic radiation height, electromagnetic interference etc..Especially carry out in transformer station
During switching manipulation, powerful switching overvoltage and electric current can be produced on bus, and around bus, form stronger transient state electricity
Magnetic field.
And then coupled on the heart yearn of shielded cable by connecting the transfer impedance and transfer admittance of cable in transformer station,
The secondary device port transferred produces interference voltage and electric current.Thus detection equipment can be caused electromagnetic radiation and electromagnetic interference
Impact, the accuracy of test result can be affected.
Summary of the invention
Present invention is primarily targeted at a kind of anti-electromagnetic interference casing of offer, to solve prior art is entered in transformer station
The problem easily detection equipment interfered during row switching manipulation.
To achieve these goals, the invention provides a kind of anti-electromagnetic interference casing, including casing and chamber door, casing has
Having opening, chamber door to be arranged on opening part, casing and chamber door to be made up of electromagnetic armouring structure plate, the opening part of casing is provided with shielding
Doorframe, shielding doorframe includes installation portion and conducting metal Plug Division, and installation portion is arranged on the edge of opening part, and conducting metal is inserted
The portion of connecing is arranged on installation portion, and chamber door is provided with the connecting portion matched with conducting metal Plug Division, and chamber door has connecting portion
The open position that the closed position being connected with conducting metal Plug Division and connecting portion separate with conducting metal Plug Division.
Further, installation portion includes installing groove, and conducting metal Plug Division includes the first Plug Division and the second Plug Division,
First Plug Division be separately positioned on the second Plug Division install in groove relative to two end walls on, chamber door is positioned at closed position,
Connecting portion is inserted between the first Plug Division and the second Plug Division.
Further, the first Plug Division include connect sheet and with is connected sheet connect bending shell fragment, connection sheet be arranged on peace
In profile outside dress groove, bending shell fragment is arranged on the end wall installed in groove, the second Plug Division and the knot of the first Plug Division
Structure is identical.
Further, installation portion also includes installing plate, and installing plate is connected to install the edge of groove, conducting metal grafting
Portion also includes the 3rd Plug Division, and the 3rd Plug Division is arranged on a mounting board, and the structure of the 3rd Plug Division and the first Plug Division
Identical, chamber door is additionally provided with baffle plate, baffle plate and the 3rd Plug Division and matches.
Further, shielding doorframe also includes pressing plate, and pressing plate is arranged on connection sheet.
Further, electromagnetic armouring structure plate includes foamed aluminium board.
Further, electromagnetic armouring structure plate also includes the glass silk floss layer being arranged on foamed aluminium board outer layer.
Further, electromagnetic armouring structure plate also includes the galvanized steel plain sheet being arranged on glass silk floss layer outer layer.
Further, anti-electromagnetic interference casing also include ventilation waveguiding structure, ventilation waveguiding structure be arranged on casing and/or
On chamber door.
Further, ventilation waveguiding structure includes framework and the mesh barrel assembly being arranged in framework.
Application technical scheme, owing to casing and chamber door are all made up of electromagnetic armouring structure plate, does at anti-electromagnetism
Disturb and on casing, have the position of casing and chamber door just can well resist electromagnetic interference, and will electricity at crack between a door and its frame when switching chamber door
Magnetic disturbance phenomenon.And in the present invention, installation portion is arranged on the edge of opening part, installation portion is provided with again conducting metal
Plug Division, conducting metal Plug Division can have the function of electromagnetic shielding.When closing upper chamber door and making chamber door in the closed position, chamber door
On connecting portion will be connected on conducting metal Plug Division so that the gap between opening and the chamber door of casing is shielded doorframe
On conducting metal Plug Division cover, allow the gap between opening and the chamber door of conducting metal Plug Division shielding case body, make whole
The effectiveness of anti-electromagnetic interference casing is guaranteed.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The Figure of description of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic front view of the embodiment of the anti-electromagnetic interference casing according to the present invention；
Fig. 2 shows the structural representation of the shielding doorframe of the anti-electromagnetic interference casing of Fig. 1；
Fig. 3 shows the cross-sectional view of the anti-electromagnetic interference casing of Fig. 1；
Fig. 4 shows the schematic diagram of the ventilation waveguiding structure of the anti-electromagnetic interference casing according to the present invention.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, casing；20, chamber door；21, connecting portion；22, baffle plate；30, shielding doorframe；31, installation portion；311, groove is installed；
312, installing plate；3211, sheet is connected；3212, bending shell fragment；32, conducting metal Plug Division；321, the first Plug Division；322,
Two Plug Divisions；323, the 3rd Plug Division；33, pressing plate；40, electromagnetic armouring structure plate；41, foamed aluminium board；42, glass silk floss layer；
43, galvanized steel plain sheet；50, ventilation waveguiding structure；51, framework；52, mesh barrel assembly.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Term can exchange in the appropriate case, in order to embodiments of the invention described herein.Additionally, term " includes " and " tool
Have " and their any deformation, it is intended that cover non-exclusive comprising, such as, contain series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the most clear
That list to Chu or for intrinsic other step of these processes, method, product or equipment or unit.
Figures 1 and 2 show that the anti-electromagnetic interference casing of the present embodiment, this anti-electromagnetic interference casing includes casing 10 and case
Door 20, casing 10 has opening, and chamber door 20 is arranged on opening part.Casing 10 and chamber door 20 are made up of electromagnetic armouring structure plate 40,
Detection equipment is put into this anti-electromagnetic interference casing and is just avoided that the detection equipment of casing is carried out by the electromagnetic wave of extraneous generation
Interference.In order to ensure the anti-electromagnetic interference performance of entirety of anti-electromagnetic interference casing, the opening part of casing 10 is provided with shielding doorframe
30, shielding doorframe 30 includes installation portion 31 and conducting metal Plug Division 32.Installation portion 31 is arranged on the edge of opening part, conduction
Metal Plug Division 32 is arranged on installation portion 31, and chamber door 20 is provided with the connecting portion matched with conducting metal Plug Division 32
21.Chamber door 20 has closed position that connecting portion 21 is connected with conducting metal Plug Division 32 and connecting portion 21 is inserted with conducting metal
Connect the open position that portion 32 separates.Owing to casing 10 and chamber door 20 are all made up of electromagnetic armouring structure plate 40, in anti-electromagnetic interference
Electromagnetic interference just can well be resisted in the position having casing 10 and chamber door 20 on casing, and at crack between a door and its frame when switching chamber door 20 just
Can electromagnetic interference phenomenon.And in the present embodiment, installation portion 31 is arranged on the edge of opening part, installation portion 31 is arranged again
Conducting metal Plug Division 32, conducting metal Plug Division 32 can have the function of electromagnetic shielding.Chamber door 20 is made when closing upper chamber door 20
Time in the closed position, the connecting portion 21 on chamber door 20 will be connected on conducting metal Plug Division 32 so that opening of casing 10
Mouthful and chamber door 20 between the conducting metal Plug Division 32 that shielded on doorframe 30, gap cover, allow conducting metal Plug Division 32 screen
Cover the gap between the opening of casing 10 and chamber door 20, make the effectiveness of whole anti-electromagnetic interference casing be guaranteed.
Use the anti-electromagnetic interference casing of the present embodiment, detection equipment can be placed in casing 10, close upper chamber door 20
Can be achieved with the electromagnetic shielding protection to detection equipment, it is ensured that the test accuracy of detection equipment.
As in figure 2 it is shown, optional, in the present embodiment, installation portion 31 includes installing groove 311, conducting metal Plug Division
32 include the first Plug Division 321 and the second Plug Division 322.First Plug Division 321 and the second Plug Division 322 are separately positioned on installation
In groove 311 relative to two end walls on, chamber door 20 is positioned at closed position, and connecting portion 21 is inserted in the first Plug Division 321 and second
Between Plug Division 322.By this connected mode, can effectively the gap between opening and the chamber door 20 of casing 10 be carried out
Electromagnetic shielding, can allow again the first Plug Division 321 and the second Plug Division 322 that connecting portion 21 plays fixation, and then convenient solid
Determine chamber door 20.
Optionally, in the present embodiment, as in figure 2 it is shown, the first Plug Division 321 include connect sheet 3211 and be connected sheet
The 3211 bending shell fragments 3212 connected, connect sheet 3211 and are arranged in the profile installed outside groove 311, and bending shell fragment 3212 is installed
On end wall in installing groove 311, the second Plug Division 322 is identical with the structure of the first Plug Division 321.Bending shell fragment 3212 can
To clamp connecting portion 21, connecting portion 21 is played fixation.
As in figure 2 it is shown, in the present embodiment, installation portion 31 also includes that installing plate 312, installing plate 312 are connected to install recessed
The edge of groove 311.Conducting metal Plug Division 32 also includes that the 3rd Plug Division 323, the 3rd Plug Division 323 are arranged on installing plate
On 312, and the 3rd Plug Division 323 is identical with the structure of the first Plug Division 321.Baffle plate 22, baffle plate it is additionally provided with on chamber door 20
22 match with the 3rd Plug Division 323.By coordinating of the 3rd Plug Division 323 and baffle plate 22, on the one hand can be so that fixed case
Door 20, on the other hand can also carry out electromagnetic shielding to the gap between opening and the chamber door 20 of casing 10 further.Optionally,
Shielding doorframe 30 also includes that pressing plate 33, pressing plate 33 are arranged on connection sheet 3211, can be to connecting sheet 3211 by pressing plate 33
To fixation.
As it is shown on figure 3, in the present embodiment, electromagnetic armouring structure plate 40 includes foamed aluminium board 41 and the plating of outer layer of nexine
Zinc steel plate 43 and be arranged on the glass silk floss layer 42 in intermediate layer.Foamed aluminium board 41 and galvanized steel plain sheet 43 all have electromagnetic shielding
Function, Double-protection can more efficiently prevent from the electromagnetic interference in outer bound pair casing 10, and galvanized steel plain sheet 43 can also be strengthened preventing in addition
The bulk strength of electromagnetic interference casing, improves its crashworthiness.And the employing of glass silk floss layer 42, except playing heat insulation and protect
Outside the effect of temperature, also there is the function of damping and sound absorption.
Except the electromagnetic armouring structure plate 40 of the three ply board in the present embodiment, in other embodiments directly by foamed aluminium board
41 composition electromagnetic armouring structure plates 40 are also feasible.Or use the double-deck of foamed aluminium board 41 and glass silk floss layer 42
Electromagnetic armouring structure plate 40 is also feasible.
In order to ensure the ventilation in anti-electromagnetic interference casing, as shown in Figure 4, in the present embodiment, anti-electromagnetic interference casing
Also include that ventilation waveguiding structure 50, ventilation waveguiding structure 50 are arranged on casing 10 or chamber door 20.By ventilation waveguiding structure 50
Can ventilate in casing 10, ventilation can be formed electromagnetic shielding again.Optionally, ventilation waveguiding structure 50 includes framework 51 He
The mesh barrel assembly 52 being arranged in framework 51.This mesh barrel assembly 52 is made up of conducting metal, mesh barrel assembly 52 and electromagnetism
Gauze screen is similar to, and the function of existing ventilation has again the function of electromagnetic shielding.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. an anti-electromagnetic interference casing, including casing (10) and chamber door (20), described casing (10) has opening, described chamber door
(20) it is arranged on described opening part, it is characterised in that described casing (10) and described chamber door (20) are by electromagnetic armouring structure plate
(40) composition, the opening part of described casing (10) is provided with shielding doorframe (30), and described shielding doorframe (30) includes installation portion
(31) and conducting metal Plug Division (32), described installation portion (31) is arranged on the edge of described opening part, described conducting metal
Plug Division (32) is arranged on described installation portion (31), described chamber door (20) is provided with and described conducting metal Plug Division (32)
The connecting portion (21) matched, described chamber door (20) has described connecting portion (21) and is connected with described conducting metal Plug Division (32)
The open position that the closed position connect and described connecting portion (21) separate with described conducting metal Plug Division (32).
Anti-electromagnetic interference casing the most according to claim 1, it is characterised in that described installation portion (31) includes installing groove
(311), described conducting metal Plug Division (32) includes the first Plug Division (321) and the second Plug Division (322), described first grafting
Portion (321) be separately positioned in described installation groove (311) with described second Plug Division (322) relative to two end walls on, institute
Stating chamber door (20) and be positioned at closed position, described connecting portion (21) is inserted in described first Plug Division (321) and described second Plug Division
(322) between.
Anti-electromagnetic interference casing the most according to claim 2, it is characterised in that described first Plug Division (321) includes even
Contact pin (3211) and be connected the bending shell fragment (3212) that sheet (3211) connects with described, described connection sheet (3211) is arranged on described
Installing in groove (311) profile outward, described bending shell fragment (3212) is arranged on the end wall in described installation groove (311),
Described second Plug Division (322) is identical with the structure of described first Plug Division (321).
Anti-electromagnetic interference casing the most according to claim 3, it is characterised in that described installation portion (31) also includes installing plate
(312), described installing plate (312) is connected to the edge of described installation groove (311), and described conducting metal Plug Division (32) is also
Including the 3rd Plug Division (323), described 3rd Plug Division (323) is arranged on described installing plate (312), and the described 3rd inserts
Meet portion (323) identical with the structure of described first Plug Division (321), described chamber door (20) is additionally provided with baffle plate (22), described
Baffle plate (22) matches with described 3rd Plug Division (323).
Anti-electromagnetic interference casing the most according to claim 4, it is characterised in that described shielding doorframe (30) also includes pressing plate
(33), described pressing plate (33) is arranged on described connection sheet (3211).
Anti-electromagnetic interference casing the most according to claim 1, it is characterised in that described electromagnetic armouring structure plate (40) includes
Foamed aluminium board (41).
Anti-electromagnetic interference casing the most according to claim 6, it is characterised in that described electromagnetic armouring structure plate (40) is also wrapped
Include the glass silk floss layer (42) being arranged on described foamed aluminium board (41) outer layer.
Anti-electromagnetic interference casing the most according to claim 7, it is characterised in that described electromagnetic armouring structure plate (40) is also wrapped
Include the galvanized steel plain sheet (43) being arranged on described glass silk floss layer (42) outer layer.
Anti-electromagnetic interference casing the most according to claim 1, it is characterised in that described anti-electromagnetic interference casing also includes leading to
Disturbance guide structure (50), described ventilation waveguiding structure (50) is arranged on described casing (10) and/or described chamber door (20).
Anti-electromagnetic interference casing the most according to claim 9, it is characterised in that described ventilation waveguiding structure (50) includes
Framework (51) and the mesh barrel assembly (52) being arranged in described framework (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534904.1A CN106093490A (en) | 2016-07-07 | 2016-07-07 | Anti-electromagnetic interference casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534904.1A CN106093490A (en) | 2016-07-07 | 2016-07-07 | Anti-electromagnetic interference casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106093490A true CN106093490A (en) | 2016-11-09 |
Family
ID=57212766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610534904.1A Pending CN106093490A (en) | 2016-07-07 | 2016-07-07 | Anti-electromagnetic interference casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106093490A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064577A (en) * | 2017-05-19 | 2017-08-18 | 京信通信系统（中国）有限公司 | Shield box structure and environmental experiment device |
| CN110470873A (en) * | 2019-09-07 | 2019-11-19 | 贵州中信宏业科技股份有限公司 | Telecommunication circuit tests shielded box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064577A (en) * | 2017-05-19 | 2017-08-18 | 京信通信系统（中国）有限公司 | Shield box structure and environmental experiment device |
| CN110470873A (en) * | 2019-09-07 | 2019-11-19 | 贵州中信宏业科技股份有限公司 | Telecommunication circuit tests shielded box |
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| PB01 | Publication | ||
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Application publication date: 20161109 |