CN106450617A - Novel broadband transient electromagnetic pulse suppressor - Google Patents
Novel broadband transient electromagnetic pulse suppressor Download PDFInfo
- Publication number
- CN106450617A CN106450617A CN201611080142.9A CN201611080142A CN106450617A CN 106450617 A CN106450617 A CN 106450617A CN 201611080142 A CN201611080142 A CN 201611080142A CN 106450617 A CN106450617 A CN 106450617A
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- Prior art keywords
- electromagnetic pulse
- transient electromagnetic
- suppressor
- frequency signal
- radio
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a novel broadband transient electromagnetic pulse suppressor comprising a metal resonant cavity, a transient electromagnetic pulse absorbing device and a blocking and amplitude-limiting circuit, and a broadband radio-frequency signal coupling device and a circuit. The transient electromagnetic pulse absorbing device and a blocking and amplitude-limiting circuit as well as a broadband radio-frequency signal coupling device and the circuit are arranged inside the cavity. The metal resonant cavity consists of a main cavity and an upper cavity in a sealing fit relationship with the main cavity; one end of the transient electromagnetic pulse absorbing device is connected to the main cavity; and the transient electromagnetic pulse absorbing device and the radio-frequency signal coupling device are connected in series. The radio-frequency signal coupling device is connected to ports at two ends of the suppressor by impedance matching transmission lines. Besides, connectors are arranged at the ports of the two ends of the suppressor respectively. The transient electromagnetic pulse suppressor is installed at a feeder cable connection part of a wireless device, thereby suppressing the transient electromagnetic pulse interference and guaranteeing all-weather working of the wireless device. Meanwhile, because of the connectors at the two ends of the suppressor, the suppressor can be installed conveniently.
Description
Technical field
The present invention relates to electromagnetic compatibility suppresses field with electromagnetic interference, comprise carrying out surge protection technology and transient electromagnetic pulse is prevented
Shield technology, is more particularly related to a kind of Wideband transient electromagnetic pulse suppressor.
Background technology
With developing rapidly of novel information technology, wireless device becomes the informationalized solid foundation of human society.Wirelessly
The especially large-scale radio infrastructure of equipment is faced with various transient electromagnetic pulse interference, and coming that wherein hazardness is maximum is arrogant
The naturally interference of the strong transient electromagnetic pulse of lightning and artificial release.
Content of the invention
The technical problem to be solved is to provide a kind of quick response, can preferably absorb transient electromagnetic pulse
Wideband transient electromagnetic pulse suppressor.
The purpose of the present invention is achieved through the following technical solutions：A kind of Wideband transient electromagnetic pulse suppression
Device, including：Metal cavity body, the transient electromagnetic pulse being arranged in described Metal cavity body absorb device and radiofrequency signal
Coupled apparatus, described transient electromagnetic pulse absorbs and connects and composes transient electromagnetic pulse suppression between device and radio-frequency signal coupler part
Circuit processed, rf broadband employ network selectively；Wherein, described Metal cavity body include main cavity and with main chamber mates
Upper cavity, one end that described transient electromagnetic pulse absorbs device is connected on main chamber body, and described transient electromagnetic pulse is inhaled
Receive device and the series connection of radio-frequency signal coupler part, radio-frequency signal coupler part two ends are connected to suppression by impedance matching transmission line
The port at device two ends, wherein, the port at the two ends of suppressor is also respectively provided with adapter.
Preferably, described transient electromagnetic pulse absorbs device is voltage switch type device.
Preferably, described voltage switch type device includes the first distribution capacity, and described radio-frequency signal coupler part includes one
Lumped capacity, described first distribution capacity is connected with described lumped capacity.
Preferably, the second distribution capacity and described frequency signal coupling device also with resonant cavity for described first distribution capacity
Lumped capacity series connection forms rf broadband and employs network selectively.
Preferential, main chamber body and described upper cavity include cubold, circle, or combination therein.
Preferably, it is attached by securing member between main chamber body and described upper cavity.
Preferably, main chamber body and the connection mating surface of described upper cavity are provided with capillary groove, in described capillary groove
It is provided with waterproof conduction cushion rubber.
Preferably, described waterproof conduction cushion rubber is O-shaped structure.
Preferably, the ring flange that is connected by between described adapter and described port is fixed.
Preferably, the mode being connected by extruding close-fitting between described adapter and described port is fixed.
The present invention absorbs device and radio-frequency signal coupler part due to the built-in transient electromagnetic pulse of cavity, by the two distribution
Parameter and the cooperation of lumped parameter, had not only been constituted wide band radio-frequency frequency-selective network together with cavity but also had constituted transient electromagnetic pulse to absorb and pressed down
Circuit processed.Transient electromagnetic pulse suppressor is arranged on the feeder junction of wireless device it is possible to effectively suppress this interference
Ensure wireless device all weather operations.Meanwhile, the two ends of suppressor are additionally provided with adapter, can very easily install.
Brief description
Fig. 1 is the suppressor external structure of the embodiment of the present invention 1,
Fig. 2 is the suppressor structural representation of the embodiment of the present invention 1,
Fig. 3 is the suppressor structural representation of the embodiment of the present invention 1.
Specific embodiment
The invention will be further described with preferred embodiment below in conjunction with the accompanying drawings.
Embodiment one
It is a kind of embodiment of the present invention as shown in Figure 1-Figure 3, be a kind of Wideband transient electromagnetic pulse suppressor, including：
Metal cavity body 10 and the transient electromagnetic pulse being arranged in described Metal cavity body absorb device 13 and radiofrequency signal
Bonder 14；Wherein, described Metal cavity body 10 includes main cavity 11 and the upper cavity opposed with main chamber body 11
12, one end that described transient electromagnetic pulse absorbs device 13 is connected on main chamber body 11, and described transient electromagnetic pulse absorbs
Device 13 and radio-frequency signal coupler part 14 are connected, and radio-frequency signal coupler part 14 is connected to suppression by impedance matching transmission line 15
The port at device two ends processed, wherein, the port at the two ends of suppressor is also respectively provided with adapter 19.Due to cavity built-in transient state electricity
Magnetic field impulse absorbs device 13 and radio-frequency signal coupler part 14, by the cooperation of the two distributed constant and lumped parameter, both with chamber
Body constitutes wide band radio-frequency frequency-selective network together and constitutes transient electromagnetic pulse absorption suppression circuit again.Transient electromagnetic pulse suppressor is pacified
It is contained in the feeder junction of wireless device it is possible to effectively suppress this interference to ensure wireless device all weather operations.Meanwhile,
The two ends of suppressor are additionally provided with adapter, can very easily install.
In the present embodiment, as shown in Fig. 2 described transient electromagnetic pulse absorbs device 13 is chosen as voltage switch type device
Part.Because the Energy distribution of transient electromagnetic pulse is typically between DC-1MHz, when the intensity of transient electromagnetic pulse exceedes voltage switch
This switch device conductive during the conducting voltage of type device, the energy moment of transient electromagnetic pulse more than 90% is let out by metallic cavity
It is put into ground, in addition the distribution capacity of voltage switching device constitutes capacitances in series partial pressure together with the electric capacity every direct projection frequency coupled apparatus
Circuit, the spike major part of transient electromagnetic pulse is carried on switching device.Thus by the spike of transient electromagnetic pulse effectively
It is limited within the scope of certain（As less than 200VDC）, protect backend infrastructure to exempt from the spike impact of transient electromagnetic pulse.
In the present embodiment, described voltage switch type device includes the first distribution capacity 17, described radio-frequency signal coupler
Part includes a series capacitance 16, and described first distribution capacity 17 is connected with described series capacitance 16.With resonant cavity second point
Cloth electric capacity（Not shown）Cooperatively effect forms rf broadband and employs network selectively it is ensured that broadband rf signal is passed with the loss of very little
Defeated and impedance matching.This new suppressor can keep the such as return loss of good radio-frequency performance to be better than 26dB in the broadband of work
It is better than 0.1dB with Insertion Loss, and affected very little by the change of ambient temperature.
In the present embodiment, it is attached by securing member between main chamber body 11 and described upper cavity 12.Wherein fasten
Part can be screw, fasten device etc..Described Metal cavity body can be cuboid or cylinder, and upper and lower two cavitys are closely joined
Closing plays the role of frequency-selecting and improves impedance matching.
In the present embodiment, main chamber body and the connection mating surface of described upper cavity are provided with capillary groove, described waterproof
It is provided with waterproof conduction cushion rubber in groove.In capillary groove, setting waterproof conduction cushion rubber can be good at playing waterproof action, meanwhile, tool
Standby electric conductivity can effectively contact and reach inhibitory action.Waterproof conduction cushion rubber can adopt the structure of O shape, has preferably
Waterproof action.
In the present embodiment, the ring flange that is connected by between described adapter 19 and described port is fixed.As another kind
Adoptable mode, the mode that being connected by between described adapter 19 and described port extrudes close-fitting is fixed.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. a kind of Wideband transient electromagnetic pulse suppressor is it is characterised in that include：Metal cavity body, be arranged on described
Transient electromagnetic pulse in Metal cavity body absorbs device and radio-frequency signal coupler part, described transient electromagnetic pulse absorber
Transient electromagnetic pulse suppression circuit is connected and composed, rf broadband employs network selectively between part and radio-frequency signal coupler part；Wherein, institute
State Metal cavity body and include main cavity and the upper cavity with main chamber mates, described transient electromagnetic pulse absorber
One end of part is connected on main chamber body, and described transient electromagnetic pulse absorbs device and the series connection of radio-frequency signal coupler part, penetrates
Frequency signal coupling device two ends are connected by impedance matching transmission line to the port at suppressor two ends, wherein, the two ends of suppressor
Port be also respectively provided with adapter.
2. Wideband transient electromagnetic pulse suppressor as claimed in claim 1 is it is characterised in that described transient electromagnetic pulse
Absorption device is voltage switch type device.
3. Wideband transient electromagnetic pulse suppressor as claimed in claim 2 is it is characterised in that described voltage switch type device
Part includes the first distribution capacity, and described radio-frequency signal coupler part includes lumped capacity or equivalent lumped capacity, described first point
Cloth electric capacity is connected with described lumped capacity.
4. Wideband transient electromagnetic pulse suppressor as claimed in claim 3 is it is characterised in that described first distribution capacity
Also in parallel with the second distribution capacity of resonant cavity, then connect with lumped capacity formation described rf broadband employ network selectively.
5. Wideband transient electromagnetic pulse suppressor as claimed in claim 1 it is characterised in that main chamber body with described
It is attached by securing member between upper cavity, described Metal cavity body is cuboid or cylinder.
6. Wideband transient electromagnetic pulse suppressor as claimed in claim 1 it is characterised in that main chamber body with described
It is provided with capillary groove in the connection mating surface of upper cavity, in described capillary groove, be provided with waterproof conduction cushion rubber.
7. Wideband transient electromagnetic pulse suppressor as claimed in claim 6 it is characterised in that described waterproof conduction cushion rubber
For O-shaped structure.
8. Wideband transient electromagnetic pulse suppressor as claimed in claim 1 it is characterised in that described adapter with described
The ring flange that is connected by between port is fixed.
9. Wideband transient electromagnetic pulse suppressor as claimed in claim 1 it is characterised in that described adapter with described
The mode that being connected by between port extrudes close-fitting is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080142.9A CN106450617B (en) | 2016-11-30 | 2016-11-30 | Novel broadband transient electromagnetic pulse suppressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080142.9A CN106450617B (en) | 2016-11-30 | 2016-11-30 | Novel broadband transient electromagnetic pulse suppressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106450617A true CN106450617A (en) | 2017-02-22 |
| CN106450617B CN106450617B (en) | 2020-09-18 |
Family
ID=58222510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611080142.9A Active CN106450617B (en) | 2016-11-30 | 2016-11-30 | Novel broadband transient electromagnetic pulse suppressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450617B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556805A (en) * | 2019-09-26 | 2019-12-10 | 深圳市速联技术有限公司 | Ultra-wideband radio frequency coaxial lightning electromagnetic pulse protection method and device |
| CN110556804A (en) * | 2019-09-26 | 2019-12-10 | 深圳市速联技术有限公司 | Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device |
| CN111601493A (en) * | 2020-06-28 | 2020-08-28 | 深圳市速联技术有限公司 | Method and device for protecting strong electromagnetic pulse of radio frequency link |
| CN112994715A (en) * | 2021-02-03 | 2021-06-18 | 深圳市速联技术有限公司 | Ultra-wideband radio frequency link strong electromagnetic pulse protection method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408889Y (en) * | 2009-03-20 | 2010-02-17 | 中航光电科技股份有限公司 | Connector with electromagnetic pulse resistance |
| CN205029337U (en) * | 2015-09-08 | 2016-02-10 | 中国石油天然气股份有限公司 | Protector for antenna feed system |
-
2016
- 2016-11-30 CN CN201611080142.9A patent/CN106450617B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408889Y (en) * | 2009-03-20 | 2010-02-17 | 中航光电科技股份有限公司 | Connector with electromagnetic pulse resistance |
| CN205029337U (en) * | 2015-09-08 | 2016-02-10 | 中国石油天然气股份有限公司 | Protector for antenna feed system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556805A (en) * | 2019-09-26 | 2019-12-10 | 深圳市速联技术有限公司 | Ultra-wideband radio frequency coaxial lightning electromagnetic pulse protection method and device |
| CN110556804A (en) * | 2019-09-26 | 2019-12-10 | 深圳市速联技术有限公司 | Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device |
| CN110556804B (en) * | 2019-09-26 | 2024-06-07 | 深圳市速联技术有限公司 | Comprehensive protective device for radio frequency coaxial strong transient electromagnetic pulse |
| CN111601493A (en) * | 2020-06-28 | 2020-08-28 | 深圳市速联技术有限公司 | Method and device for protecting strong electromagnetic pulse of radio frequency link |
| CN111601493B (en) * | 2020-06-28 | 2021-02-23 | 深圳市速联技术有限公司 | Method and device for protecting strong electromagnetic pulse of radio frequency link |
| CN112994715A (en) * | 2021-02-03 | 2021-06-18 | 深圳市速联技术有限公司 | Ultra-wideband radio frequency link strong electromagnetic pulse protection method and device |
| CN112994715B (en) * | 2021-02-03 | 2022-02-18 | 深圳市速联技术有限公司 | Ultra-wideband radio frequency link strong electromagnetic pulse protection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106450617B (en) | 2020-09-18 |
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