CN103476233A - Satellite-communication power-amplifier anti-electromagnetic-radiation device system - Google Patents
Satellite-communication power-amplifier anti-electromagnetic-radiation device system Download PDFInfo
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- CN103476233A CN103476233A CN2013102840998A CN201310284099A CN103476233A CN 103476233 A CN103476233 A CN 103476233A CN 2013102840998 A CN2013102840998 A CN 2013102840998A CN 201310284099 A CN201310284099 A CN 201310284099A CN 103476233 A CN103476233 A CN 103476233A
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- 238000004891 communication Methods 0.000 title claims abstract description 24
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 abstract 2
- 230000003471 anti-radiation Effects 0.000 abstract 1
- 238000012216 screening Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920006332 epoxy adhesive Polymers 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 208000019155 Radiation injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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Abstract
The invention discloses a satellite-communication power-amplifier anti-electromagnetic-radiation device system including a first framework conductive bar, a second framework conductive bar, a connecting wire, an upper casing, a lower casing, a grounding wire, a waveguide tube mouth, a cable interface and snap joints. The first framework conductive bar is parallel to the second framework conductive bar. The connecting wire is arranged between corresponding peaks of the first framework conductive bar and the second framework conductive bar. The upper casing and the lower casing are covered outside the first framework conductive bar and the second framework conductive bar respectively. A side face of the upper casing is provided with the grounding wire. The waveguide tube mouth, the cable interface and the plurality of snap joints are arranged at connecting edges of the upper casing and the lower casing. Compared with the prior art, the satellite-communication power-amplifier anti-electromagnetic-radiation device system has the advantages of being portable in size, great in heat dissipation and high in safety and has a better anti-radiation function. The device system is also capable of reducing noises and mainly applicable to large-power devices with high radiation and high voltage.
Description
Technical field
The present invention relates to a kind of shielding, particularly satellite communication power amplifier anti-electromagnetic radiation device system.
Background technology
Existing satellite communication is the main communications carrier of telecommunication, and power amplifying device is the vitals of communication system, power amplifier power more is conducive to more greatly the emission of signal of communication, yet in practical operation, power amplifying device also not is the bigger the better, and the power amplification system of powerful device can produce powerful electromagnetic radiation, for the operating personnel of satellite communication, long-term work can damage human body in this environment, and the longer injury of the power of power amplifier time higher, contact is larger.
Traditional radiation-resistant method is to reduce contact as far as possible, but nowadays progressively universal and a large amount of uses of vehicle-mounted mobile satellite communication system, portable mobile satellite communication system, its integrated degree of such satellite communication system is higher, often radio-frequency apparatus and working equipment lean on very closely, inevitable personnel accept especially a large amount of radiation of power amplifying device of radio-frequency apparatus while working, therefore be necessary to set up a kind of shielding for the power amplifier radio-frequency apparatus of satellite communication system, carry out radiation-resistant glass, in order to effectively alleviate the radiation injury to operating personnel.
Summary of the invention
The technical issues that need to address of the present invention are for above-mentioned the deficiencies in the prior art, and a kind of satellite communication power amplifier shielding that can effectively reduce radiation is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Satellite communication power amplifier anti-electromagnetic radiation device system, comprise the first framework sliver, and the second framework sliver connects wire, upper casing, lower casing, earth lead, the waveguide mouth of pipe, cable interface and buckle; Described the first framework sliver is parallel to the second framework sliver, be provided with and be connected wire between the first framework sliver and the second framework sliver corresponding vertex, described upper casing and lower casing cover respectively outside the first framework sliver and the second framework sliver, on the upper casing side, are provided with earth lead; Connection edge at upper casing and lower casing is provided with the waveguide mouth of pipe, cable interface and some buckles.
Be respectively equipped with some louvres on the surface of described upper casing and the side of lower casing.
Be provided with gauze screen at the inner surface of described upper casing and the medial surface of lower casing, gauze screen respectively with the first framework sliver, the second framework sliver be connected wire contact.
Described gauze screen is the double layer screen web frame.
Described gauze screen is selected the easy conductive metal material, and wire diameter is 0.122mm, and mesh diameter is 0.196mm, and its mesh count is 80 orders-100 orders.
At described gauze screen surface spraying one deck microwave absorbing coating.
Compared with prior art, the present invention has perfect heat-dissipating, can farthest reduce electromagnetic radiation to impact on every side, whole device is light firmly, can electromagnetic electric current be imported on underground holding device in time is 0 voltage, fail safe is secure, can be widely used on high-power power amplifying device instrument.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is upper casing internal structure schematic diagram;
Fig. 3 is the lower casing internal structure schematic diagram with power amplifying device;
Fig. 4 is the numerical curve figure without microwave absorbing coating;
Fig. 5 is the numerical curve figure with microwave absorbing coating;
Wherein, 1-the first framework sliver, 2-the second framework sliver, 3-connects wire, 4-upper casing, 5-lower casing, 6-earth lead, the 7-waveguide mouth of pipe, 8-cable interface, 9-buckle, 10-louvre, 11-gauze screen.
Embodiment
Describe the preferred technical solution of the present invention in detail below in conjunction with accompanying drawing.
As figure satellite communication power amplifier anti-electromagnetic radiation device system, comprise the first framework sliver 1, the second framework sliver 2, connect wire 3, upper casing 4, lower casing 5, earth lead 6, the waveguide mouth of pipe 7, cable interface 8 and buckle 9; Described the first framework sliver 1 is parallel to the second framework sliver 2, be provided with and be connected wire 3 between the first framework sliver 1 and the second framework sliver 2 corresponding vertexs, described upper casing 4 and lower casing 5 cover respectively outside the first framework sliver 1 and the second framework sliver 2, on upper casing 4 sides, are provided with earth lead 6; Connection edge at upper casing 4 and lower casing 5 is provided with the waveguide mouth of pipe 7, cable interface 8 and some buckles 9.
The first framework sliver 1 and the second framework sliver 2 are placed in whole device, power amplifying device has electric current and produces in device, the first framework sliver 1 and the second framework sliver 2 touch power amplifying device, the main electric action that rises, connect wire 3 and contribute to local electromagnetic electric current circulation, electric current is guided to earth lead 6, and that earth lead 6 can import electric current is underground, the waveguide mouth of pipe 7 and cable interface 8 are, to power amplifying device, the position be equipped with is installed.
Be respectively equipped with some louvres 10 on the surface of described upper casing 4 and the side of lower casing 5.
Be respectively equipped with louvre 10 on the surface of upper casing 4 and the side of lower casing 5, because the power amplifying device heat radiation is omnibearing, so all being provided with louvre 10 in the upper surface of whole device and four sides can farthest be dispelled the heat, louvre 10 is equidistantly and is uniformly distributed, and while guaranteeing power amplifier work, can not produce the local overheating phenomenon.
Be provided with gauze screen 11 at the inner surface of described upper casing 4 and the medial surface of lower casing 5, gauze screen 11 respectively with the first framework sliver 1, the second framework sliver 2 be connected wire 3 contact.
Described gauze screen 11 is the double layer screen web frame.
Double-decker has stronger radiation-proof effect, and is more prone to absorption current.
Described gauze screen 11 is selected the easy conductive metal material, and wire diameter is 0.122mm, and mesh diameter is 0.196mm, and its mesh count is 80 orders-100 orders.
At described gauze screen 11 surface spraying one deck microwave absorbing coatings.
The thickness of microwave absorbing coating is 0.5mm, its spraying curing temperature is 60 degree, its composition is wave absorbing agent, dispersing aid-904S and 601 epoxy adhesives, the shared mass fraction of wave absorbing agent is 85%, the shared mass fraction of dispersing aid-904S is 5%, the shared mass fraction of 601 epoxy adhesive is 10%, described wave absorbing agent is comprised of ferrite iron powder and extra-fine nickel powder, the particle diameter of ferrite iron powder≤45 μ m wherein, the particle diameter of extra-fine nickel powder is 0.2 μ m～1 μ m, and the mass ratio of ferrite iron powder and extra-fine nickel powder is 8 to 2.
When power amplifying device is worked, power amplifying device will produce heat and electromagnetic electric current is dispersed to the external world by the radiation shell of self, heat and electromagnetic electric current be take gauze screen 11 as communication media, by the time electromagnetic electric current conductively-closed net 11 absorb, heat continues to distribute outward, and electromagnetic electric current passes through gauze screen 11 guiding the first framework sliver 1, the second framework slivers 2 and is connected wire 3, by earth lead 6, import in the lump more undergroundly, and heat will distribute from louvre 10.
Fig. 4 is the screening effectiveness curve of electromagnetic wave after gauze screen 11, as can be seen from the figure, the electromagnetic wave in 10GHz～15GHz scope, the energy attenuation behind reflector is-56.58dB～-57.50dB.
Fig. 5 is the screening effectiveness curve that the electromagnetic wave process is coated with microwave absorbing coating, as can be seen from the figure, and can the reach-67.65dB of electromagnetic wave energy decay in 10GHz～15GHz scope～-68.68dB.
Claims (6)
1. satellite communication power amplifier anti-electromagnetic radiation device system, is characterized in that: comprise the first framework sliver (1), the second framework sliver (2), connect wire (3), upper casing (4), lower casing (5), earth lead (6), the waveguide mouth of pipe (7), cable interface (8) and buckle (9); Described the first framework sliver (1) is parallel to the second framework sliver (2), be provided with and be connected wire (3) between the first framework sliver (1) and the second framework sliver (2) corresponding vertex, described upper casing (4) and lower casing (5) cover respectively outside the first framework sliver (1) and the second framework sliver (2), on upper casing (4) side, are provided with earth lead (6); Connection edge at upper casing (4) and lower casing (5) is provided with the waveguide mouth of pipe (7), cable interface (8) and some buckles (9).
2. satellite communication power amplifier anti-electromagnetic radiation device system according to claim 1, is characterized in that: on the surface of described upper casing (4) and the side of lower casing (5), be respectively equipped with some louvres (10).
3. satellite communication power amplifier anti-electromagnetic radiation device system according to claim 1, it is characterized in that: at the inner surface of described upper casing (4) and the medial surface of lower casing (5), be provided with gauze screen (11), gauze screen (11) respectively with the first framework sliver (1), the second framework sliver (2) be connected wire (3) contact.
4. satellite communication power amplifier anti-electromagnetic radiation device system according to claim 3, it is characterized in that: described gauze screen (11) is the double layer screen web frame.
5. satellite communication power amplifier anti-electromagnetic radiation device system according to claim 3, it is characterized in that: described gauze screen (11) is selected the easy conductive metal material, wire diameter is 0.122mm, and mesh diameter is 0.196mm, and its mesh count is 80 orders-100 orders.
6. satellite communication power amplifier anti-electromagnetic radiation device system according to claim 3, is characterized in that: at described gauze screen (11) surface spraying one deck microwave absorbing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102840998A CN103476233A (en) | 2013-07-08 | 2013-07-08 | Satellite-communication power-amplifier anti-electromagnetic-radiation device system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102840998A CN103476233A (en) | 2013-07-08 | 2013-07-08 | Satellite-communication power-amplifier anti-electromagnetic-radiation device system |
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| CN103476233A true CN103476233A (en) | 2013-12-25 |
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| CN2013102840998A Pending CN103476233A (en) | 2013-07-08 | 2013-07-08 | Satellite-communication power-amplifier anti-electromagnetic-radiation device system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039544A (en) * | 2017-12-11 | 2018-05-15 | 湖南时变通讯科技有限公司 | A kind of spatial power combiner |
| CN112714606A (en) * | 2020-12-29 | 2021-04-27 | 安徽盛世天朗软件科技有限公司 | Data transmission electromagnetic interference prevention device for network equipment and implementation method thereof |
| CN117269572A (en) * | 2023-09-19 | 2023-12-22 | 中南仪表有限公司 | Anti-interference electronic electric energy meter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452248Y (en) * | 2000-10-20 | 2001-10-03 | 李志宏 | Electromagnetic radiation protector for computer display |
| CN2741331Y (en) * | 2004-09-28 | 2005-11-16 | 烽火通信科技股份有限公司 | Shielding box of transmit-receive module with special function |
| CN1747110A (en) * | 2004-09-10 | 2006-03-15 | 三星Sdi株式会社 | plasma display panel device |
| US20120193137A1 (en) * | 2005-03-15 | 2012-08-02 | Paul Douglas Cochrane | EMI-Shielding Solutions for Computer Enclosures Using Combinations of Two and Three-Dimensional Shapes Formed in Sheet Metal |
| CN203423897U (en) * | 2013-07-08 | 2014-02-05 | 南京中网卫星通信股份有限公司 | Device for preventing electromagnetic radiation of satellite power amplifier |
-
2013
- 2013-07-08 CN CN2013102840998A patent/CN103476233A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452248Y (en) * | 2000-10-20 | 2001-10-03 | 李志宏 | Electromagnetic radiation protector for computer display |
| CN1747110A (en) * | 2004-09-10 | 2006-03-15 | 三星Sdi株式会社 | plasma display panel device |
| CN2741331Y (en) * | 2004-09-28 | 2005-11-16 | 烽火通信科技股份有限公司 | Shielding box of transmit-receive module with special function |
| US20120193137A1 (en) * | 2005-03-15 | 2012-08-02 | Paul Douglas Cochrane | EMI-Shielding Solutions for Computer Enclosures Using Combinations of Two and Three-Dimensional Shapes Formed in Sheet Metal |
| CN203423897U (en) * | 2013-07-08 | 2014-02-05 | 南京中网卫星通信股份有限公司 | Device for preventing electromagnetic radiation of satellite power amplifier |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039544A (en) * | 2017-12-11 | 2018-05-15 | 湖南时变通讯科技有限公司 | A kind of spatial power combiner |
| CN112714606A (en) * | 2020-12-29 | 2021-04-27 | 安徽盛世天朗软件科技有限公司 | Data transmission electromagnetic interference prevention device for network equipment and implementation method thereof |
| CN112714606B (en) * | 2020-12-29 | 2024-11-22 | 国网新疆电力有限公司巴州供电公司 | A data transmission anti-electromagnetic interference device for network equipment and implementation method thereof |
| CN117269572A (en) * | 2023-09-19 | 2023-12-22 | 中南仪表有限公司 | Anti-interference electronic electric energy meter |
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Application publication date: 20131225 |