CN206728505U - A kind of interface mount and the electromagnetic shielding cabinet with the interface mount - Google Patents
A kind of interface mount and the electromagnetic shielding cabinet with the interface mount Download PDFInfo
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- CN206728505U CN206728505U CN201720587458.0U CN201720587458U CN206728505U CN 206728505 U CN206728505 U CN 206728505U CN 201720587458 U CN201720587458 U CN 201720587458U CN 206728505 U CN206728505 U CN 206728505U
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- optical fiber
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- fiber waveguides
- interface mount
- electromagnetic shielding
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Abstract
It the utility model is related to a kind of interface mount and the electromagnetic shielding cabinet with the interface mount, the interface mount includes a metallic plate, multiple optical fiber waveguides in conjunction through the metallic plate are provided with metallic plate, the junction of the optical fiber waveguides in conjunction and metallic plate is linked together by way of welding, described multiple optical fiber waveguides in conjunction are arranged in rectangular waveguide array on a metal plate, the electromagnetic wave higher than cut-off frequency that the optical fiber waveguides in conjunction that the utility model uses to propagate in optical fiber waveguides in conjunction effectively passes through, and the electromagnetic wave less than cut-off frequency can be produced and seriously decayed, it ensure that the reliability service of electromagnetic shielding cabinet internal electron equipment, with simple in construction, it is easy for installation, the characteristics of manufacturing cost is low.
Description
Technical field
Electromagnetic shielding and protection field are the utility model is related to, a kind of interface mount is related in particular to and is connect with this
The electromagnetic shielding cabinet of mouth fixture.
Background technology
During High-Power Microwave (abbreviation HPM) and its relation technological researching, with further carrying for HPM source power
Height, the complicated forceful electric power magnetic environment of the composition such as microwave, electrion, X ray, electronics beam intensity guiding magnetic field is for existing caused by system
Accuracy, the reliability even security of the electronic equipment of field all constitute threat.Complex electromagnetic environment has signal close
The characteristics of electromagnetic spectrum is crowded in collection, the complicated, confined space, various electromagnetic signal Showed Very Brisks.Under complicated electromagnetic environment, electricity
Magnetic disturbance is led to be existed everywhere, and the influence between equipment can be more and more obvious.The observing and controlling being made up of in HPM experiments many electronic equipments
The example of system operation shows：Strong electromagnetic radiation forms complex electromagnetic environment and causes traditional TT＆C system control signal false touch
The electronic equipment such as hair, data information system transmission terminal, voice, video causes to damage by intense radiation, and is irreversible.In reality
Work in HPM operation caused by strong electromagnetic cause following harm：When HPM launches microwave, zero electricity of whole device
Position is elevated, and the peak voltage breakdown transistors of electromagnetic interference cause short circuit, and strong electromagnetic wave makes hair by the control circuit of transmission
Penetrate system transmitting, communication disruption or error.
HPM TT＆C systems using electronic equipment, electronic component as core work with wanting high efficient and reliable, must just break through
The restriction of complex electromagnetic environment, suppress harmful interference, improve electronics equipment antijamming capability, be built into a kind of relatively good area
Domain electromagnetic environment, ensure TT＆C system reliably working.In complex electromagnetic environment, common electromagnetic interference has Conduction Interference and radiation
Two kinds of interference, the spatially radiation of harmonic frequency, conduction when radiation interference is the work of the substantial radiation sources such as pulse power supply, magnetic field
Interference is the electromagnetic interference that transmission line etc. is propagated along transmission channel.Conventional electromagnetic protective device is mainly in spatial domain and frequency domain
The upper electromagnetic interference for both types takes electromagnetic shielding measure.By actual use, conventional electromagnetic shielding protection dress
Putting mainly has the characteristics of following and limitation：
(1) electromagnetic shielding cabinet is used as protector on spatial domain for radiation interference.By the electronics of TT＆C system
Equipment is both placed in electromagnetic shielding cabinet, and shielding cabinet cabinet is metal material, embedded metal silk screen, to electronics equipment in space
The upper electromagnetic shielding environment for forming a surrounding protection.
(2) frequency transformation is carried out to transmission signal on frequency domain for Conduction Interference, radiofrequency signal is converted into optical signal,
It is transmitted using optical cable, to avoid the frequency domain of electromagnetic interference signal, prevents electromagnetic interference.
Although electromagnetic shielding cabinet is integrally closed shielding, TT＆C system is connected with ancillary equipment by optical cable,
When optical cable passes in and out electromagnetic shielding cabinet, can it be transferred in one interface unit of envisaged underneath of the front and behind of electromagnetic shielding cabinet
Plate, aviation plug is installed on pinboard, effect is to connect the optical cable of internal electron equipment and outside field apparatus, and conventional connects
The problem of installation is complicated, cost is high, and pinboard and shielding cabinet link position, pinboard aviation plug not only be present in mouthpiece
Installation site can have aperture, gap, and when the wavelength of electromagnetic interference is suitable with slit size, electromagnetic interference is easy to pass through this
Some holes seam enters inside electromagnetic shielding cabinet, causes the coupling of electromagnetic wave, destroys overall shielding properties.
Utility model content
For a variety of deficiencies of prior art, in order to solve the above problems, it is proposed that it is a kind of it is simple in construction, easy for installation,
The low interface mount of manufacturing cost and the electromagnetic shielding cabinet with the interface mount.
To achieve the above object, the utility model provides following technical scheme：
A kind of interface mount, including a metallic plate, multiple optical fiber ripples through the metallic plate are provided with metallic plate
Conduit, the junction of the optical fiber waveguides in conjunction and metallic plate are linked together by way of welding, described multiple optical fiber ripples
Conduit is arranged in rectangular waveguide array on a metal plate.
Further, the cross section of the optical fiber waveguides in conjunction be provided in round, rectangle or hexagon.
Further, the optical fiber waveguides in conjunction is equidistantly arranged in 3 rows, first row and second row from top to bottom on a metal plate
Optical fiber waveguides in conjunction quantity be disposed as 6, the optical fiber waveguides in conjunction quantity of the 3rd row is arranged to 7.
Further, the diameter of the second row and the optical fiber waveguides in conjunction of the 3rd row is respectively less than the optical fiber waveguides in conjunction of first row
Diameter.
The utility model additionally provides a kind of electromagnetic shielding cabinet, including casing and the case lid for covering the casing, described
At least provided with an above-mentioned interface mount in the side wall of casing.
Further, the interface mount is fixedly connected by fastener with casing.
Further, the junction of the fastener and casing is provided with woven wire.
The beneficial effects of the utility model are：
The utility model welds the optical fiber waveguides in conjunction of rectangular array to reach the function of electromagnetic shielding on a metal plate, has
It is simple in construction, the characteristics of manufacturing cost is low；Interface mount of the present utility model is arranged on electromagnetic shielding cabinet by fastener,
And woven wire is installed in the junction of fastener and electromagnetic shielding cabinet, installation is extremely convenient, can effectively prevent S-band, X
The radiation of High-Power Microwave near wave band, ensure the reliable and stable work of the TT＆C system electronics equipment inside electromagnetic shielding cabinet
Make.
Brief description of the drawings
Fig. 1 is the overall structure diagram of interface mount of the present utility model；
Fig. 2 is the sectional view of interface mount of the present utility model；
Fig. 3 is the overall structure diagram of electromagnetic shielding cabinet of the present utility model.
In accompanying drawing：1- metallic plates, 2- optical fiber waveguides in conjunction, 3- fasteners, 4- casings, 5- case lids.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to of the present utility model
Accompanying drawing, clear, complete description is carried out to the technical solution of the utility model, it is general based on the embodiment in the application, this area
Other similar embodiments that logical technical staff is obtained on the premise of creative work is not made, should all belong to the application
The scope of protection.
As depicted in figs. 1 and 2, a kind of interface mount, it is installed on electromagnetic shielding protector, connects internal electron
The optical cable of equipment and outside field apparatus, including a metallic plate 1, multiple light through the metallic plate are provided with metallic plate 1
Fiber wave guide pipe 2, the junction of the optical fiber waveguides in conjunction 2 and metallic plate 1 are linked together by way of welding, it can be ensured that light
Very close to each other between fiber wave guide pipe 2 and metallic plate 1, the optical cable of ancillary equipment can enter electromagnetic shielding by optical fiber waveguides in conjunction 2 to be prevented
In protection unit, the cross section of the optical fiber waveguides in conjunction 2 is provided in round, rectangle or hexagon, in the present embodiment, the optical fiber ripple
The cross section of conduit 2 is circle, and the round fiber waveguide 2 of use causes that is propagated in optical fiber waveguides in conjunction 2 to be higher than cutoff frequency
The electromagnetic wave of rate to the electromagnetic wave less than cut-off frequency effectively by that and can produce and seriously decay, ensure that electromagnetic shielding is anti-
The reliability service of protection unit internal electron equipment, the optical fiber waveguides in conjunction 2 are eliminated with the welding of metallic plate 1 and connect in the prior art
Aperture, gap structure present on mouth fixture, avoid electromagnetic interference and enter electromagnetic shielding protector by these slits
Inside, cause the coupling of electromagnetic wave, destroy overall shielding properties.
From the theory analysis of waveguide, shield effectiveness depends primarily on the maximum radial dimension of perforate on surface, opens
Hole size is bigger, and electromagnetic leakage is also more serious, and shield effectiveness is poorer, in order to improve shield effectiveness, can not change total face
More perforates in the case of product, increase pitch of holes, therefore, described multiple optical fiber waveguides in conjunction 2 are arranged in square wave on metallic plate 1
Conduit array, to improve electromagnet shield effect, specifically, the metallic plate 1 be cuboid brass material metallic plate, length,
Width and thickness are respectively 60cm, 28cm and 2.5cm, and the optical fiber waveguides in conjunction 2 is brass material, altogether provided with 19, optical fiber ripple
Conduit 2 has the body that length is 5cm through metallic plate 1 and in the both sides of metallic plate 1 respectively, and the optical fiber waveguides in conjunction 2 is in gold
3 rows are equidistantly arranged in from top to bottom on category plate 1, and the quantity of optical fiber waveguides in conjunction 2 of wherein first row and second row is disposed as 6
Individual, the quantity of optical fiber waveguides in conjunction 2 of the 3rd row is arranged to 7, and the diameter of the optical fiber waveguides in conjunction 2 of the second row and the 3rd row is small
In the diameter of the optical fiber waveguides in conjunction 2 of first row, the present embodiment, the diameter of the optical fiber waveguides in conjunction 2 of the second row and the 3rd row
For 2cm, a diameter of 2.5cm of the optical fiber waveguides in conjunction 2 of the first row, thicker optical cable or multifiber can be from first row optical fiber
Waveguide 2 enters electromagnetic shielding protector, and thinner optical cable or a small amount of optical fiber can be from second row, the 3rd row's optical fiber waveguides in conjunction 2
Into electromagnetic shielding protector, the interface mount of said structure is used on electromagnetic shielding protector, can be effectively
The radiation of S-band, High-Power Microwave near X-band is prevented, ensures the TT＆C system electronics inside electromagnetic shielding protector
Learn the reliable and stable work of equipment.Tested by qualified third party's capability of electromagnetic shielding, the results showed that：In S-band, X ripples
Near the frequency range of section, capability of electromagnetic shielding is not less than 60dB, meets design requirement.
As shown in figure 3, the utility model also provides a kind of electromagnetic shielding cabinet, including casing 4 and cover the casing 5
Case lid 5, pass through fastening at least provided with an above-mentioned interface mount, the interface mount in the side wall of the casing 4
Part 3 is fixedly connected with casing 4, and in the present embodiment, the fastener 3 uses screw, easy for installation, the fastener 3 and case
The junction of body 4 is provided with woven wire (not shown), it can be ensured that junction also has the function of electromagnetic shielding, prevents
Electromagnetic interference is entered in cabinet by junction.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, it is when the utility model practical range can not be limited, i.e., all to make equivalent changes and modifications according to the application scope, it all should still belong to this
In utility model covering scope.
Claims (7)
- A kind of 1. interface mount, it is characterised in that：Including a metallic plate, it is provided with metallic plate and multiple runs through the metallic plate Optical fiber waveguides in conjunction, the junction of the optical fiber waveguides in conjunction and metallic plate linked together by way of welding, and described is more Individual optical fiber waveguides in conjunction is arranged in rectangular waveguide array on a metal plate.
- 2. interface mount according to claim 1, it is characterised in that：The cross section of the optical fiber waveguides in conjunction is arranged to round Shape, rectangle or hexagon.
- 3. interface mount according to claim 1, it is characterised in that：The optical fiber waveguides in conjunction on a metal plate from upper and Equidistantly it is arranged in 3 rows down, the optical fiber waveguides in conjunction quantity of first row and second row is disposed as 6, the fibre-optic waveguide of the 3rd row Pipe quantity is arranged to 7.
- 4. interface mount according to claim 3, it is characterised in that：The second row and the optical fiber waveguides in conjunction of the 3rd row Diameter be respectively less than first row optical fiber waveguides in conjunction diameter.
- 5. a kind of electromagnetic shielding cabinet for applying the interface mount as described in claim 1-4 is any, including casing and covering The case lid of the casing, it is characterised in that：At least provided with an interface mount in the side wall of the casing.
- 6. electromagnetic shielding cabinet according to claim 5, it is characterised in that：The interface mount passes through fastener and casing It is fixedly connected.
- 7. electromagnetic shielding cabinet according to claim 6, it is characterised in that：The junction of the fastener and casing is provided with Woven wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587458.0U CN206728505U (en) | 2017-05-24 | 2017-05-24 | A kind of interface mount and the electromagnetic shielding cabinet with the interface mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587458.0U CN206728505U (en) | 2017-05-24 | 2017-05-24 | A kind of interface mount and the electromagnetic shielding cabinet with the interface mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206728505U true CN206728505U (en) | 2017-12-08 |
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ID=60511774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587458.0U Active CN206728505U (en) | 2017-05-24 | 2017-05-24 | A kind of interface mount and the electromagnetic shielding cabinet with the interface mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206728505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001052A (en) * | 2017-12-25 | 2018-05-08 | 常州雷宁电磁屏蔽设备有限公司 | Printer Special electromagnetic shields cabinet |
-
2017
- 2017-05-24 CN CN201720587458.0U patent/CN206728505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001052A (en) * | 2017-12-25 | 2018-05-08 | 常州雷宁电磁屏蔽设备有限公司 | Printer Special electromagnetic shields cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220810 Address after: No.1, kekecheng Avenue, Youxian District, Mianyang City, Sichuan Province Patentee after: Jiuyuan High Energy Technology Co., Ltd. Address before: 621900 No.64, Mianshan Road, Youxian District, Mianyang City, Sichuan Province Patentee before: INSTITUTE OF APPLIED ELECTRONICS, CAEP |
|
| TR01 | Transfer of patent right |