CN110535111A - RF coaxial direct current and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device - Google Patents
RF coaxial direct current and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device Download PDFInfo
- Publication number
- CN110535111A CN110535111A CN201910918817.XA CN201910918817A CN110535111A CN 110535111 A CN110535111 A CN 110535111A CN 201910918817 A CN201910918817 A CN 201910918817A CN 110535111 A CN110535111 A CN 110535111A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic pulse
- module
- forward position
- strong
- level
- 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.)
- Granted
Links
- 230000001052 transient effect Effects 0.000 claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000001465 metallisation Methods 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims description 26
- 239000004065 semiconductor Substances 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 210000001367 artery Anatomy 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009545 invasion Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/006—Casings specially adapted for signal processing applications, e.g. CATV, tuner, antennas amplifier
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0066—Constructional details of transient suppressor
Abstract
The present invention relates to Spark gap field, discloses a kind of RF coaxial direct current and radio frequency path is multiplexed strong electromagnetic pulse integrated protection device, including metallization installation box body and setting input conversion port and output conversion port on metallization installation box body；Further include input transmission line, is connected on input conversion port, is used for transmission input signal；Output transmission line is connected on output conversion port, is used for transmission output signal；Spark gap unit, is connected in input transmission line and output transmission line, for releasing to the strong transient electromagnetic pulse of the strong transient electromagnetic pulse in forward position at a slow speed and quick forward position.The present invention has the advantages that RF coaxial equipment is made not to be subject to strong electromagnetic pulse damage.
Description
Technical field
The present invention relates to the technical fields of Spark gap, more particularly, to a kind of RF coaxial direct current and radio frequency path
It is multiplexed strong electromagnetic pulse integrated protection device.
Background technique
Currently, as shortwave, ultrashort wave, ultra-high frequency wireless equipment and the facility in DC-3000MHz frequency band are widely answered
Use artificial intelligence equipment, scientific research, outer space detection, national defense construction, Homeland Security defence, satellite navigation, wireless communication etc.
In engineer application field, the receive-transmit system of all kinds of radio installations and facility is placed in complicated electromagnetic environment.Wireless receiving and dispatching
System equipment especially antenna and coaxial feeder are exposed to the outside of equipment, are easily invaded by all kinds of transient state strong electromagnetic pulses
It disturbs, and all kinds of transient state strong electromagnetic pulses is introduced by antenna and feeder line and cause the key in system sensitive inside receive-transmit system
Equipment damage, to influence the normal work of radio installation and equipment.
It is existing, in the strong transient electromagnetic pulse protection of DC-3000MHz frequency band, direct current (DC) transmission line easily by
Microsecond grade (us) at a slow speed invade and harass by forward position (hereinafter referred to as " slow edge ") strong transient electromagnetic pulse (such as Lightning Electromagnetic Pulse), RF coaxial
Equipment is also easily by slowly along the invasion and damage of strong electromagnetic pulse (such as Lightning Electromagnetic Pulse), in this frequency band, slowly along strong
The guard technology of transient electromagnetic pulse (such as Lightning Electromagnetic Pulse) is most studied, and technology and engineering practice relative abundance are mature.
Prior art among the above have the following deficiencies: RF coaxial equipment also be easy by nanosecond (ns) and with
It is invaded in the band of the strong transient electromagnetic pulse (such as nuclear electromagnetic pulse, Mechanism of High Power Microwave Pulse) of quick forward position (hereinafter referred to as " fast edge ") down
It disturbs and burns, be difficult to protect RF coaxial equipment along the guard technology of strong Transient Electromagnetic arteries and veins slowly at this time, cause radio frequency same
Axis equipment damage.
Summary of the invention
In view of the deficienciess of the prior art, the invention reside in provide a kind of RF coaxial direct current and radio frequency path multiplexing is strong
Electromagnetic pulse integrated protection device has the advantages that RF coaxial equipment is made not to be subject to strong electromagnetic pulse damage.
To achieve the above object, the present invention provides the following technical scheme that a kind of RF coaxial direct current and radio frequency path are multiple
End of convert is inputted on metallization installation box body with strong electromagnetic pulse integrated protection device, including metallization installation box body and setting
Mouth and output conversion port；
Further include,
Input transmission line is connected on input conversion port, is used for transmission input signal；
Output transmission line is connected on output conversion port, is used for transmission output signal；
Spark gap unit, is connected in input transmission line and output transmission line, for the strong Transient Electromagnetic in forward position at a slow speed
The strong transient electromagnetic pulse of pulse and quick forward position is released.
By using above-mentioned technical proposal, when encountering the strong transient electromagnetic pulse in forward position at a slow speed, the strong Transient Electromagnetic in forward position at a slow speed
Pulse is transmitted in input transmission line from input conversion port, is then released by Spark gap unit, then again
It is exported by output transmission line to output conversion port, to protect the equipment connected on output conversion port；It is fast when encountering
The fast strong transient electromagnetic pulse in forward position, the quick strong transient electromagnetic pulse in forward position are transmitted in input transmission line from input conversion port,
Then it is released by Spark gap unit, is then exported again by output transmission line to output conversion port, from
And the equipment connected on output conversion port is protected, it is hardly damaged equipment.
The present invention is further arranged to: the Spark gap unit includes,
Slowly it along protective unit, is connected in input transmission line, for the medium current in the strong transient electromagnetic pulse in forward position at a slow speed
It releases with maximum surge overcurrent；
Slowly it along isolated location, while being connect with input transmission line and output transmission line, for the strong Transient Electromagnetic in forward position at a slow speed to be isolated
Pulse simultaneously passes through the strong transient electromagnetic pulse in quick forward position, passes through radiofrequency signal；
Sharing unit, be connected in output transmission line and with connect slowly along protective unit, for the strong Transient Electromagnetic in forward position at a slow speed
The strong transient electromagnetic pulse of forward position low current and quick forward position in pulse is released.
It is isolated slowly along isolated location by using above-mentioned technical proposal when the strong transient electromagnetic pulse in forward position inputs at a slow speed
The strong transient electromagnetic pulse in forward position at a slow speed, slowly will forward position strong wink at a slow speed in such a way that three-level is released along protective unit and sharing unit
Forward position low current, medium current and the maximum surge overcurrent of state electromagnetic pulse are released, to protect to equipment；When
When the quick strong transient electromagnetic pulse in forward position inputs, pass through the strong transient electromagnetic pulse in quick forward position along isolated location slowly, by altogether
It is released with unit to the strong transient electromagnetic pulse in quick forward position.
The present invention is further arranged to: it is described to include along protective unit slowly,
Slowly it along matching module, is connected in input transmission line, before hindering the strong transient electromagnetic pulse in quick forward position and making at a slow speed
Pass through along strong transient electromagnetic pulse；
Level-one is released module, is connected to slowly along matching module, for the most billow in the strong transient electromagnetic pulse in forward position at a slow speed
Electric current is come through to release；
Second level is released module, is connected to level-one by the first choke induction and is released in module, for the strong transient state in forward position at a slow speed electricity
Medium current in magnetic field impulse is released.
By using above-mentioned technical proposal, when quick forward position, strong transient electromagnetic pulse is reached slowly along matching module, slow edge
Matching module limits passing through for the strong transient electromagnetic pulse in quick forward position, when the strong transient electromagnetic pulse in forward position reaches slowly along matching at a slow speed
When module, the strong transient electromagnetic pulse in forward position passes through slowly along matching module at a slow speed, and the first choke induction fast lifting primary current is let out
Voltage at amplification module, so that level-one module of releasing be made to release maximum surge overcurrent, second level module is to medium current
It releases, realizes the protection to equipment.
The present invention is further arranged to: the sharing unit includes,
Three-level is released module, is connected to second level by the second choke induction and is released in module, for the strong transient state in forward position at a slow speed electricity
The strong transient electromagnetic pulse of forward position low current and quick forward position in magnetic field impulse is released, and first choke induction is gripped with second
Galvanic electricity sense series connection；
It fastly along matching module, while being connect with output transmission line and three-level module of releasing, for making the strong Transient Electromagnetic in forward position at a slow speed
Pulse passes through, and detects the strong transient electromagnetic pulse in quick forward position in output transmission line, and determines whether to make according to testing result fast
The fast strong transient electromagnetic pulse in forward position passes through.
By using above-mentioned technical proposal, when the strong transient electromagnetic pulse in forward position reaches at a slow speed, three-level releases module to preceding
It releases along low current, finally by the signal of not injury device by being transmitted at output transmission line along matching module fastly；Fastly
The strong transient electromagnetic pulse in quick forward position in output transmission line is detected along matching module, if it exists the strong Transient Electromagnetic in quick forward position
When pulse, pass through the strong transient electromagnetic pulse in quick forward position, reaches three-level and release module, realize the strong Transient Electromagnetic arteries and veins in quick forward position
Punching is released, and the second choke induction fast lifting secondary current is released voltage at module, thus make secondary current release module into
Row is quickly released.
The present invention is further arranged to: level-one module of releasing includes,
Primary current is released module, is connected to slowly along matching module, for releasing to maximum surge overcurrent；
Level-one slicing module is connected to and releases wired in parallel along matching module and with primary current slowly, is used for pulse voltage
Spike is limited.
By using above-mentioned technical proposal, the first electric current module of releasing releases to maximum surge overcurrent, and level-one is cut
Wave module pulse voltage spike is limited, to reduce damage of the strong transient electromagnetic pulse in forward position to equipment at a slow speed.
The present invention is further arranged to: second level module of releasing includes,
First choke induction is connected to slowly along matching module, is released voltage at module for fast lifting primary current；
Secondary current is released module, is connected on the first choke induction, for releasing to medium current.
By using above-mentioned technical proposal, the first choke induction fast lifting primary current is released the voltage at module, from
And level-one module of releasing is made more rapidly to release, secondary current module of releasing releases to medium current, thus right
Equipment is protected.
The present invention is further arranged to: three-level module of releasing includes,
The clamped module of three level semiconductors, is connected to fastly along matching module, for in the strong transient electromagnetic pulse in forward position at a slow speed
Forward position low current is released；
Second level slicing module, be connected to fastly along matching module and with the clamped wired in parallel of three level semiconductors, for pulse electricity
Pointing peak is limited；
The clamped module of three level semiconductor and second level slicing module are connect with the second choke induction.
By using above-mentioned technical proposal, the clamped module of three level semiconductors is to before in the strong transient electromagnetic pulse in forward position at a slow speed
It releases along low current, the second choke induction fast lifting secondary current is released voltage at module, so that secondary current be made to let out
Amplification module is quickly released, and second level slicing module pulse voltage spike is limited, to protect to equipment.
The present invention is further arranged to: it is described to include along matching module fastly,
Forward position voltage detection unit, is connected in output transmission line, for detecting fastly along strong transient electromagnetic pulse forward position voltage electricity
Position；
Low-resistance unit is connected in the clamped module of three level semiconductors, for hindering low frequency signal and passing through high-frequency signal；
High-impedance cell is connected in the clamped module of three level semiconductors, for hindering high-frequency signal and passing through low frequency signal；
Circuit switching section connects on voltage detection unit ahead of the curve, the signal for being transmitted according to forward position voltage detection unit
Switch the circuit to low-resistance unit or high-impedance cell.
By using above-mentioned technical proposal, forward position voltage detection unit is to fastly along strong transient electromagnetic pulse forward position voltage potential
It is detected, when detecting forward position voltage, circuit switching section switches the circuit to low-resistance unit, to make fastly along strong transient state
Electromagnetic pulse passes through, and realizes releasing along strong transient electromagnetic pulse fastly；When forward position voltage is not detected, circuit switching section will
Circuit switches to high-impedance cell, so that low frequency signal be made to pass through, realizes the transmission of direct current signal.
The present invention is further arranged to: the metallization installation box body includes accommodating shell and being fixedly connected on receiving shell
On cover board, ground connection screw hole is offered on the cover board, the input conversion port and output conversion port, which are located at, accommodates shell
Two sides.
By using above-mentioned technical proposal, cover board and the circuit module for accommodating the internal portion of shell are protected, while also side
Just internal circuit blocks are overhauled, the mountable earth stud of screw hole is grounded, to protect to internal circuit blocks.
The present invention is further arranged to: being offered capillary groove on the receiving shell, is embedded with waterproof in the capillary groove
Circle, the water proof ring and input conversion port and output conversion port contradict, and offer seal groove on the receiving shell, described
Sealing ring is embedded in seal groove, the cover board and sealing ring contradict.
By using above-mentioned technical proposal, the setting of water proof ring and capillary groove, the setting of sealing ring and seal groove, so that outside
The shipwreck on boundary is to enter in holding shell body, to play preferable protective effect to the intracorporal circuit module of holding shell.
In conclusion the invention has the following advantages:
1, by setting Spark gap unit, Spark gap unit is to the strong transient electromagnetic pulse in forward position at a slow speed and quickly
The strong transient electromagnetic pulse in forward position is released, to play a more comprehensive protection to equipment, keeps equipment not easily damaged；
2, module is released and three-level is released module by the way that release module, second level of level-one is arranged, to realize to the strong wink of forward position at a slow speed
It releases for three sections before, during and after state electromagnetic pulse, more quickly realizes and release, equipment is protected；
3, by being arranged fastly along matching module, when sensing forward position voltage, the conversion of circuit is carried out in time, to fastly along strong transient state
Electromagnetic pulse is released, while not being impacted again to the transmission of signal.
Detailed description of the invention
Fig. 1 is external structure schematic diagram of the invention；
Fig. 2 is the connection structure diagrammatic cross-section for embodying capillary groove and water proof ring；
Fig. 3 is the connection structure diagrammatic cross-section for embodying seal groove and sealing ring；
Fig. 4 is to embody slowly along the architecture system block diagram of protective unit and sharing unit；
Fig. 5 is fastly along the internal structure block diagram of matching module；
Fig. 6 is the structural schematic diagram of bias condition；
Fig. 7 is the structural schematic diagram that only DC voltage passes through RF coaxial transmission line.
Appended drawing reference: 1, metallization installation box body；11, shell is accommodated；111, seal groove；112, sealing ring；12, cover board；
13, it is grounded screw hole；14, mounting hole；15, conversion port is inputted；151, input transmission line；16, conversion port is exported；161, it exports
Transmission line；18, capillary groove；19, water proof ring；2, Spark gap unit；21, slowly along protective unit；211, slow along matching mould
Block；212, level-one is released module；213, second level is released module；22, slowly along isolated location；23, sharing unit；231, three-level is released
Module；232, fastly along matching module.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Figures 1 and 2, is that a kind of RF coaxial direct current and radio frequency path multiplexing strong electromagnetic pulse disclosed by the invention is comprehensive
Protective device, including metallization installation box body 1 are closed, metallization installation box body 1 includes accommodating shell 11 and cover board 12.L-shaped
Cover board 12 is bolted to connection on accommodating shell 11, and the end of cover board 12 offers ground connection screw hole 13.Accommodate shell 11
Two sides offer mounting hole 14, the two sides for accommodating shell 11 are equipped with input conversion port 15 and output conversion port 16, defeated
Enter conversion port 15 and output conversion port 16 is installed in mounting hole 14, offers capillary groove on the inner wall of mounting hole 14
18, it is embedded in capillary groove 18 using water proof ring 19 made of rubber, water proof ring 19 and input conversion port 15, output end of convert
Mouth 16 contradicts.Referring to Fig. 3, accommodates and offer seal groove 111 on shell 11, be embedded in seal groove using sealing made of rubber
Circle 112, cover board 12 and sealing ring 112 contradict.
It referring to Fig. 2 and Fig. 4, inputs on conversion port 15 and input transmission line 151 is installed, export and installed on conversion port 16
There is output transmission line 161.Spark gap unit 2, electromagnetism are provided between input transmission line 151 and output transmission line 161
Pulse protective unit 2 is located in metallization installation box body 1.Spark gap unit 2 include slowly along protective unit 21, it is slow along every
It include slowly releasing module 212 and second level along matching module 211, level-one slowly along protective unit 21 from unit 22 and sharing unit 23
Module of releasing 213 is connected electrically in input transmission line 151 along matching module 211 slowly, is slowly inductance or tool along matching module 211
There is the device of inductance equivalent action.
Level-one module 212 of releasing includes that primary current is released module and level-one slicing module, and primary current module of releasing is
Gas-discharge tube or high-voltage large current switching mode transistor heap, level-one slicing module are made of capacitor discrete device or to friendships
The device of flow short-circuit forms, and release one end of module 212 of level-one is connected electrically in slowly along matching module 211 far from input transmission line
151 one end, other end ground connection, one end of level-one slicing module is connected electrically in slowly along matching module 211 far from input transmission line
151 one end, other end ground connection, level-one are released module 212 and level-one slicing wired in parallel.
Second level module 213 of releasing includes that the first choke induction and secondary current are released module, the both ends of the first choke induction
Respectively with slowly along matching module 211 far from input transmission line 151 one end and second level module 213 of releasing be electrically connected, second level is released
Module 213 is grounded far from one end of the first choke induction, and second level releases module 213 as varistor device or voltage switch type half
Conductor tube heap.
Sharing unit 23 includes that three-level is released module 231 and fastly along matching module 232, and three-level module 231 of releasing includes three
The clamped module of level semiconductor, second level slicing module and the second choke induction, the both ends of the second choke induction are released with second level respectively
The clamped module electrical connection in the one end and three level semiconductors of module 213 far from ground terminal, second level slicing module and three level semiconductors are embedding
Position module electrical connection, the clamped module of three level semiconductors and second level slicing module are grounded, the clamped module of three level semiconductors and second level
Slicing wired in parallel.The clamped module of three level semiconductors is diode semiconductor device, and second level slicing module is by capacitor discrete device
Composition forms the device of ac short circuit.
Referring to Fig. 4 and Fig. 5, fastly along matching module 232 include forward position voltage detection unit, low-resistance unit, high-impedance cell and
Circuit switching section, forward position voltage detection unit are edge triggered flip flop, and circuit switching section includes that base stage is connected electrically in edge touching
The triode and the concatenated relay of triode of device are sent out, low-resistance unit is capacitor, high-impedance cell is inductance, forward position voltage detecting
Unit is electrically connected with output transmission line 161, and the coil of relay is grounded after being connected electrically in the emitter of triode, and coil is far from hair
One end of emitter-base bandgap grading is grounded, and low-resistance unit and high-impedance cell are electrically connected with the clamped module of three level semiconductors far from one end of ground terminal
It connects, low-resistance unit and high-impedance cell are in parallel, and the contact of relay is electrically connected with low-resistance unit or high-impedance cell, the current collection of triode
Pole is electrically connected with high-impedance cell close to one end of the clamped module of three level semiconductors.
Referring to Fig. 6, when needing to be suitable for bias condition, i.e. radiofrequency signal and direct current is separately injected, then matching module with
Separated between the clamped module of three level semiconductors, be electrically connected along matching module 232 fastly the identical clamped module of three level semiconductors and
It high impedance module, high impedance module and the clamped wired in parallel of three level semiconductors and is grounded, high impedance module is inductance or has
The device of inductance equivalent action.
Referring to Fig. 7, when only DC voltage passes through RF coaxial transmission line, remove slowly along isolated location 22 i.e.
Can, at this time slowly along protective unit 21 and sharing unit 23 between input transmission line 151 and output transmission line 161.
The implementation principle of the present embodiment are as follows: when having in input transmission line 151 slowly along the invasion of strong transient electromagnetic pulse, can feel
The surge overcurrent or overvoltage that low frequency should be gone out only allow correspondence because having barrier action to low frequency electrical signal along isolated location 22 slowly
Radiofrequency signal coupling pass through, therefore the surge overcurrent of low frequency induction or overvoltage by along protective unit 21 and sharing single slowly
Member 23 is propagated to protected equipment end, slowly along matching module 211, the first choke induction and the second choke induction to high fdrequency component
The effect of recommending of induction overcurrent, thus have certain delay buffer function to inductive surge overcurrent.When inductive surge mistake
Electric current forward position reach three-level release module 231 when, three-level module 231 of releasing acts be released to the forward position of surge overcurrent immediately
Ground, so that feature clamped voltage potential of the voltage clamping in the clamped module of three level semiconductors, recommends work in the second choke induction
Under, starting second level is released the cut-in voltage of module 213, and second level module 213 of releasing is released surge overcurrent front over the ground immediately
Point medium energy grade electric current, the first choke induction recommends under effect, and the level-one voltage at module 212 of releasing quickly reaches
Release module 212 cut-in voltage of level-one is horizontal, and level-one module 212 of releasing starts to release the surge overcurrent of big energy level, thus
Complete releasing and inhibiting work for surge overcurrent.First slicing module and second level slicing the module complete paired pulse in transient state
The restriction effect of due to voltage spikes.
When having in input transmission line 151 fastly along the invasion of strong transient electromagnetic pulse, slowly along protective unit 21 to fastly along strong wink
State electromagnetic pulse has apparent high frequency choke effect, zero-decrement can directly pass through slowly along pulse along isolated location 22 fastly, this
When along strong transient electromagnetic pulse forward position, voltage potential reaches fastly along matching module 232 fastly, forward position voltage detection unit will be electric
Pressing tongs position, the contact being initially positioned in high-impedance cell is attracted to low-resistance unit by triode ON, relay work at this time,
Three-level module 231 of releasing makes an immediate response the energy fastly along strong transient electromagnetic pulse is released, and it is embedding that current potential is dropped to three-level semiconductor
The clamped voltage level of feature of position module.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of RF coaxial direct current and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device, it is characterized in that: including metal
Change installation box body (1) and setting inputs conversion port (15) and output conversion port (16) in metallization installation box body (1)；
Further include,
Input transmission line (151) is connected in input conversion port (15), is used for transmission input signal；
Output transmission line (161) is connected in output conversion port (16), is used for transmission output signal；
Spark gap unit (2) is connected in input transmission line (151) and output transmission line (161), for before at a slow speed
It releases along the strong transient electromagnetic pulse of strong transient electromagnetic pulse and quick forward position.
2. RF coaxial direct current according to claim 1 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
Be characterized in: the Spark gap unit (2) includes,
Slowly it along protective unit (21), is connected on input transmission line (151), for in the strong transient electromagnetic pulse in forward position at a slow speed
Medium current and maximum surge overcurrent are released；
Slowly it along isolated location (22), while being connect with input transmission line (151) and output transmission line (161), for being isolated at a slow speed
The strong transient electromagnetic pulse in forward position simultaneously passes through the strong transient electromagnetic pulse in quick forward position, passes through radiofrequency signal；
Sharing unit (23), be connected on output transmission line (161) and with connect slowly along protective unit (21), for before at a slow speed
The strong transient electromagnetic pulse of forward position low current and quick forward position in strong transient electromagnetic pulse is released.
3. RF coaxial direct current according to claim 2 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
It is characterized in: it is described to include along protective unit (21) slowly,
Slowly it along matching module (211), is connected on input transmission line (151), for hindering the strong transient electromagnetic pulse in quick forward position
And make at a slow speed the strong transient electromagnetic pulse in forward position pass through；
Level-one is released module (212), is connected to slowly along matching module (211), for the strong transient electromagnetic pulse in forward position at a slow speed
In maximum surge overcurrent release；
Second level is released module (213), is connected to level-one by the first choke induction (171) and is released on module (212), for slow
Medium current in the fast strong transient electromagnetic pulse in forward position is released.
4. RF coaxial direct current according to claim 3 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
Be characterized in: the sharing unit (23) includes,
Three-level is released module (231), is connected to second level by the second choke induction (172) and is released on module (213), for slow
The strong transient electromagnetic pulse of forward position low current and quick forward position in the fast strong transient electromagnetic pulse in forward position is released, and described first grips
Galvanic electricity sense (171) is connected with the second choke induction (172)；
It fastly along matching module (232), while being connect with output transmission line (161) and three-level module (231) of releasing, for making at a slow speed
The strong transient electromagnetic pulse in forward position passes through, the strong transient electromagnetic pulse in quick forward position in detection output transmission line (161), and according to inspection
Result is surveyed to determine whether to pass through the strong transient electromagnetic pulse in quick forward position.
5. RF coaxial direct current according to claim 3 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
Be characterized in: level-one module (212) of releasing includes,
Primary current is released module, is connected to slowly along matching module (211), for releasing to maximum surge overcurrent；
Level-one slicing module is connected to and releases wired in parallel along matching module (211) and with primary current slowly, for pulse
Due to voltage spikes is limited.
6. RF coaxial direct current according to claim 4 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
Be characterized in: second level module (213) of releasing includes,
Secondary current is released module, is connected on the first choke induction, for releasing to medium current.
7. RF coaxial direct current according to claim 6 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
Be characterized in: three-level module (231) of releasing includes,
The clamped module of three level semiconductors is connected to fastly along matching module (232), for the strong transient electromagnetic pulse in forward position at a slow speed
In forward position low current release；
Second level slicing module, be connected to fastly along matching module (232) and with the clamped wired in parallel of three level semiconductors, for arteries and veins
Due to voltage spikes is rushed to be limited；
The clamped module of three level semiconductor and second level slicing module are connect with the second choke induction (172).
8. RF coaxial direct current according to claim 7 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
It is characterized in: it is described to include along matching module (232) fastly,
Forward position voltage detection unit is connected on output transmission line (161), for detecting fastly along strong transient electromagnetic pulse forward position electricity
Piezoelectric position；
Low-resistance unit is connected in the clamped module of three level semiconductors, for hindering low frequency signal and passing through high-frequency signal；
High-impedance cell is connected in the clamped module of three level semiconductors, for hindering high-frequency signal and passing through low frequency signal；
Circuit switching section connects on voltage detection unit ahead of the curve, the signal for being transmitted according to forward position voltage detection unit
Switch the circuit to low-resistance unit or high-impedance cell.
9. RF coaxial direct current according to claim 1 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
Be characterized in: metallization installation box body (1) includes the cover board for accommodating shell (11) and being fixedly connected in receiving shell (11)
(12), ground connection screw hole (13), the input conversion port (15) and output conversion port (16) are offered on the cover board (12)
Positioned at the two sides for accommodating shell (11).
10. RF coaxial direct current according to claim 9 and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device,
It is characterized in: is offered capillary groove (18) on the receiving shell (11), is embedded with water proof ring (19), institute in the capillary groove (18)
It states water proof ring (19) and input conversion port (15) and output conversion port (16) contradicts, offered on the receiving shell (11)
Seal groove (111), the seal groove (111) is interior to be embedded with sealing ring (112), and the cover board (12) and sealing ring (112) contradict.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918817.XA CN110535111B (en) | 2019-09-26 | 2019-09-26 | Comprehensive protector for rf coaxial dc and rf path multiplexing strong electromagnetic pulse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918817.XA CN110535111B (en) | 2019-09-26 | 2019-09-26 | Comprehensive protector for rf coaxial dc and rf path multiplexing strong electromagnetic pulse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110535111A true CN110535111A (en) | 2019-12-03 |
| CN110535111B CN110535111B (en) | 2024-04-02 |
Family
ID=68670375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910918817.XA Active CN110535111B (en) | 2019-09-26 | 2019-09-26 | Comprehensive protector for rf coaxial dc and rf path multiplexing strong electromagnetic pulse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110535111B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112994716A (en) * | 2021-02-03 | 2021-06-18 | 深圳市速联技术有限公司 | Radio frequency link electromagnetic pulse comprehensive protection device |
| CN113438034A (en) * | 2021-06-15 | 2021-09-24 | 深圳市速联技术有限公司 | Filtering type strong transient electromagnetic pulse protection structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799125A (en) * | 1986-09-05 | 1989-01-17 | Raychem Limited | Circuit protection arrangement |
| CN201001035Y (en) * | 2007-01-05 | 2008-01-02 | 深圳市麦克海鹏信电子有限公司 | RF lightning protection device |
| RU118118U1 (en) * | 2012-01-25 | 2012-07-10 | Павел Валерьевич Попов | DEVICE FOR PROTECTING RADIO ELECTRONIC EQUIPMENT FROM THE INFLUENCE OF A SEQUENCE OF POWERFUL SHORT ELECTROMAGNETIC PULSES |
| CN106849628A (en) * | 2017-01-23 | 2017-06-13 | 中国人民解放军61489部队 | A kind of high-power electromagnetic pulse protection module for power line |
| CN210246314U (en) * | 2019-09-26 | 2020-04-03 | 深圳市速联技术有限公司 | Radio frequency coaxial direct current and radio frequency channel multiplexing strong electromagnetic pulse comprehensive protection device |
-
2019
- 2019-09-26 CN CN201910918817.XA patent/CN110535111B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799125A (en) * | 1986-09-05 | 1989-01-17 | Raychem Limited | Circuit protection arrangement |
| CN201001035Y (en) * | 2007-01-05 | 2008-01-02 | 深圳市麦克海鹏信电子有限公司 | RF lightning protection device |
| RU118118U1 (en) * | 2012-01-25 | 2012-07-10 | Павел Валерьевич Попов | DEVICE FOR PROTECTING RADIO ELECTRONIC EQUIPMENT FROM THE INFLUENCE OF A SEQUENCE OF POWERFUL SHORT ELECTROMAGNETIC PULSES |
| CN106849628A (en) * | 2017-01-23 | 2017-06-13 | 中国人民解放军61489部队 | A kind of high-power electromagnetic pulse protection module for power line |
| CN210246314U (en) * | 2019-09-26 | 2020-04-03 | 深圳市速联技术有限公司 | Radio frequency coaxial direct current and radio frequency channel multiplexing strong electromagnetic pulse comprehensive protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112994716A (en) * | 2021-02-03 | 2021-06-18 | 深圳市速联技术有限公司 | Radio frequency link electromagnetic pulse comprehensive protection device |
| CN113438034A (en) * | 2021-06-15 | 2021-09-24 | 深圳市速联技术有限公司 | Filtering type strong transient electromagnetic pulse protection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110535111B (en) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110535111A (en) | RF coaxial direct current and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device | |
| CN210246314U (en) | Radio frequency coaxial direct current and radio frequency channel multiplexing strong electromagnetic pulse comprehensive protection device | |
| CN219513785U (en) | Surge protection device and charging system | |
| CN207133341U (en) | A kind of GIS electronic mutual inductors collecting unit suppresses VFTO protector and GIS transformer stations | |
| US6034855A (en) | Method and apparatus for attenuation of, and damage protection from, high energy electromagnetic pulses | |
| CN204928115U (en) | Information system entry end electromagnetic pulse synthesizes protective equipment | |
| CN203180508U (en) | System overvoltage inhibition apparatus | |
| CN201477173U (en) | Automatic detection module for power supply earth line failure | |
| CN111525527B (en) | Radio frequency signal thunder and lightning electromagnetic pulse protection device | |
| CN105071367A (en) | Electromagnetic pulse comprehensive protection apparatus at entry port of information system | |
| CN201983705U (en) | Serial port electromagnetic pulse protector | |
| CN208955654U (en) | A kind of signal wire nuclear electromagnetic pulse protector | |
| CN101673944B (en) | Protective circuit for anti-strong electromagnetic pulse interference | |
| CN204947585U (en) | The lightning-proof power socket of intelligent transportation system | |
| CN109406981A (en) | The guard method of power device dynamic test | |
| CN111525528B (en) | Radio frequency signal thunder and lightning electromagnetic pulse multistage bidirectional protection device | |
| CN202042891U (en) | Lightning protection device of airplane surface antenna system | |
| CN210041320U (en) | Surge protector for socket | |
| CN215646172U (en) | GPS active antenna electromagnetic pulse protection module and protector | |
| CN214380090U (en) | Surge protection circuit and collision detection equipment with surge protection function | |
| CN217007599U (en) | Switch cabinet partial discharge on-line monitoring device | |
| CN219611346U (en) | Overvoltage protection module for partial discharge host antenna signal port | |
| CN202110239U (en) | Quick monitoring device for insulator flashover | |
| CN217182947U (en) | Electromagnetic pulse protector of signal double-line | |
| RU2596935C2 (en) | Device for blocking unauthorised information tapping from cellular telephone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |