CN205335838U - Short wave communication high altitude nuclear electromagnetic pulse protector - Google Patents
Short wave communication high altitude nuclear electromagnetic pulse protector Download PDFInfo
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- CN205335838U CN205335838U CN201521119271.5U CN201521119271U CN205335838U CN 205335838 U CN205335838 U CN 205335838U CN 201521119271 U CN201521119271 U CN 201521119271U CN 205335838 U CN205335838 U CN 205335838U
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Abstract
Short wave communication high altitude nuclear electromagnetic pulse protector belongs to electromagnetic pulse protection technical field, especially relates to a short wave communication high altitude nuclear electromagnetic pulse protector. The utility model provides a strong good short wave communication high altitude nuclear electromagnetic pulse protector of electromagnetic pulse protecting effect. The utility model discloses a gas discharge tube GDT1, its structural feature GDT1 one end respectively with the antenna, resistance R5 one end links to each other, GDT1 other end ground connection, the R5 other end respectively with gas discharge tube GDT2 one end, the controlled end of relay K stir the terminal, electric capacity C1 one end links to each other, the GDT2 other end and a piezo -resistor one end link to each other, a piezo -resistor other end and the 2nd piezo -resistor one end link to each other, the 2nd piezo -resistor other end and the 3rd piezo -resistor one end, the 3rd piezo -resistor other end ground connection.
Description
Technical field
This utility model belongs to electromagnetic pulse protection technology field, particularly relates to a kind of short wave communication upper low pressure trough preventer。
Background technology
Strong electromagnetic pulse can form surge current in shortwave, ultrashort wave and communication equipment, its rising time be approximately nanosecond order under, pulse duration is up to hundreds of nanoseconds, radiation field intensity reaches hundreds of kilovolt/rice, existing lightning protection facility is unable to reach such response speed, equipment is caused huge infringement, is coupled into receiver harm especially by antenna maximum。
Effect short-wave radio set caused due to upper low pressure trough (HEMP) environment is even more serious than the electronic countermeasure of routine, even cause forever injuring of equipment, and the survival ability of the upper low pressure trough environment of short-wave radio set is had higher requirement by this。Current short-wave radio set mainly adds thunderstorm electricity protective device, mainly protects thunder and lightning。Owing to lacking research platform and the conditions such as testing equipment, it is less that system-wide upper low pressure trough Protective Research carried out by short-wave radio set by us, causes that short wave communication equips the system survivability nearly all not accounting under upper low pressure trough interference environment。
Summary of the invention
This utility model is aiming at the problems referred to above, it is provided that the short wave communication upper low pressure trough preventer that a kind of strong electromagnetic pulse protection effect is good。
For achieving the above object, this utility model adopts the following technical scheme that, this utility model includes gas-discharge tube GDT1, its structural feature GDT1 one end is connected with antenna, resistance R5 one end respectively, GDT1 other end ground connection, the R5 other end respectively with gas-discharge tube GDT2 one end, relay K controlled end stir terminal, electric capacity C1 one end is connected, the GDT2 other end and first varistor one end are connected, the first varistor other end and second varistor one end are connected, the second varistor other end and the 3rd varistor one end, the 3rd varistor other end ground connection。
The described C1 other end is connected with electric capacity C2 one end, diode CR3 anode, diode CR4 negative electrode respectively, and CR4 anode is connected with the C2 other end, electric capacity C5 one end, ground wire, resistance R4 one end, tri-pipe Q2 emitter stages of NPN respectively。
Described CR3 negative electrode is connected with resistance R2 one end, diode CR5 anode, resistance R3 one end respectively, the R2 other end is connected with the C5 other end, CR5 negative electrode respectively, the R3 other end is connected with the R4 other end, Q2 base stage respectively, Q2 colelctor electrode is connected with resistance R1 one end, tri-pipe Q1 base stages of NPN respectively, another termination+12V power supply of R1。
Described Q1 emitter stage is connected with diode CR2 anode, CR2 negative electrode is connected with ground wire, electric capacity C4 one end, electric capacity C3 one end respectively, Q1 colelctor electrode is connected with the C4 other end, inductance L2 one end respectively, the L2 other end controls end one end with the C3 other end, diode CR1 anode, K respectively and is connected, the K control end other end, CR1 negative electrode ,+12V power supply are connected, and the one of K controlled end is fixing, and terminal is connected with equipment collection of letters circuit input end。
As a kind of preferred version, GDT1 described in the utility model adopts 5.5KV gas-discharge tube；GDT2 adopts 1KV gas-discharge tube, and the first varistor, the second varistor and the 3rd varistor all adopt 1.8KV varistor；R5 is 1.5 ohmages；C1 is 18pF；C2 is 10pf；C3 is 0.01 μ F；C4 is 0.1 μ F；C5 is 25 μ F/10V；The model of CR1 is 1N4004；The model of CR2 is 1N4454；The model of CR3 is 1N4454；The model of CR4 is 1N4454；The model of CR5 is 1N4454。
As a kind of preferred version, the resistance of R1 described in the utility model is 10k Ω；The resistance of R2 is 100K Ω；The resistance of R3 is 2.2K Ω；The resistance of R4 is 10K Ω；The model of Q1 is 2N4124；The model of Q2 is MPSA13；L2 is 100 μ H inductance；The model of K is DSP1E-DC12V。
As another kind of preferred version, described in the utility model kind of inductance L2 includes metal-cored, is surrounded with coil on metal-cored, and the periphery of coil is coated with soft magnetism gel, soft magnetism gel and coil contact。
As another kind of preferred version, soft magnetism gel unbroken loop described in the utility model is around the periphery of described coil。
Secondly, electric capacity C5 described in the utility model includes capacitance shell, described capacitance shell side is provided with sealing lid, one end of described capacitance shell is provided with positive pole pin and negative pin, described positive pole pin, negative pin are connected with the first capacitance core, the second capacitance core respectively through wire, described first capacitance core, the second capacitance core are neighbouring and be positioned at inside capacitance shell and be provided with insulation fill stratum, outside described first capacitance core, the second capacitance core and upside is provided with explosion-proof layer, described positive pole pin, negative pin wire be provided with fuse。
It is connected it addition, fixing between explosion-proof layer described in the utility model and insulation fill stratum。
This utility model beneficial effect。
This utility model is in conjunction with the protection circuit of existing weaponry and equipment, and by three grades of preventers, one-level is gas-discharge tube, and the discharge response time, transient state of can releasing overcurrent and over-voltage, resistance R5 can reduce the voltage being coupled to radio-frequency front-end up to 5ns；Two grades is varistor and discharge tube compound circuit, pulse is drawn up and releases；Three grades receive circuit, by detect receive signal overpressure situation control relay, reach pulse excessive time by-passing signal, play protection receive circuit effect；Verifying by experiment, this preventer can play comparatively perfect strong electromagnetic pulse protective action。
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described further。This utility model protection domain is not only limited to the statement of herein below。
Fig. 1 is this utility model structural representation。
Fig. 2 is this utility model electric capacity C5 structural representation。
Fig. 3 is this utility model inductance L2 structural representation。
Fig. 2, in 3,1 be insulation fill stratum, 2 be the second capacitance core, 3 be explosion-proof layer, 4 be negative pin, 5 be positive pole pin, 6 for sealing lid, 7 be fuse, 8 be capacitance shell, 9 be the first capacitance core, 10 be coil, 11 be soft magnetism gel, 12 for metal-cored。
Detailed description of the invention
As shown in the figure, this utility model includes gas-discharge tube GDT1, its structural feature GDT1 one end is connected with antenna, resistance R5 one end respectively, GDT1 other end ground connection, the R5 other end respectively with gas-discharge tube GDT2 one end, relay K controlled end stir terminal, electric capacity C1 one end is connected, the GDT2 other end and first varistor one end are connected, the first varistor other end and second varistor one end are connected, the second varistor other end and the 3rd varistor one end, the 3rd varistor other end ground connection。
The described C1 other end is connected with electric capacity C2 one end, diode CR3 anode, diode CR4 negative electrode respectively, and CR4 anode is connected with the C2 other end, electric capacity C5 one end, ground wire, resistance R4 one end, tri-pipe Q2 emitter stages of NPN respectively。
Described CR3 negative electrode is connected with resistance R2 one end, diode CR5 anode, resistance R3 one end respectively, the R2 other end is connected with the C5 other end, CR5 negative electrode respectively, the R3 other end is connected with the R4 other end, Q2 base stage respectively, Q2 colelctor electrode is connected with resistance R1 one end, tri-pipe Q1 base stages of NPN respectively, another termination+12V power supply of R1。
Described Q1 emitter stage is connected with diode CR2 anode, CR2 negative electrode is connected with ground wire, electric capacity C4 one end, electric capacity C3 one end respectively, Q1 colelctor electrode is connected with the C4 other end, inductance L2 one end respectively, the L2 other end controls end one end with the C3 other end, diode CR1 anode, K respectively and is connected, the K control end other end, CR1 negative electrode ,+12V power supply are connected, and the one of K controlled end is fixing, and terminal is connected with equipment collection of letters circuit input end。
The model of described GDT1 and GDT2 is EPCOS5500；The model of VR1 and VR2 is 20D182K；R5 is 1.5 ohmages；C1 is 18pF；C2 is 10pf；C3 is 0.01 μ F；C4 is 0.1 μ F；C5 is 25 μ F/10V；The model of CR1 is 1N4004；The model of CR2 is 1N4454；The model of CR3 is 1N4454；The model of CR4 is 1N4454；The model of CR5 is 1N4454。R5 is 1.5 ohmages, can the speed of effective deferred telegram magnetic field impulse, increase substantially this utility model Spark gap performance。
The resistance of described R1 is 10k Ω；The resistance of R2 is 100K Ω；The resistance of R3 is 2.2K Ω；The resistance of R4 is 10K Ω；The model of Q1 is 2N4124；The model of Q2 is MPSA13；L2 is 100 μ H inductance；The model of K is DSP1E-DC12V。
Described kind of inductance L2 includes metal-cored, is surrounded with coil on metal-cored, and the periphery of coil is coated with soft magnetism gel, soft magnetism gel and coil contact。Inductance L2 utilizes soft magnetism gel to be coated on the periphery that line encloses, inductance is made to be no longer necessary to the processing technology that mold and sintering etc. are complicated, inductance is facilitated to be arranged on variously-shaped predetermined set region, whether which kind of size is metal-cored, soft magnetism gel all can successfully be coated on the periphery of coil, thicker coil can be adopted, can be greatly reduced with resistance to bigger electric current, the material cost of inductance and manufacturing cost。
Described soft magnetism gel unbroken loop is around the periphery of described coil；Soft magnetism gel is made to be evenly distributed in the periphery of coil。
Described electric capacity C5 includes capacitance shell, described capacitance shell side is provided with sealing lid, one end of described capacitance shell is provided with positive pole pin and negative pin, described positive pole pin, negative pin are connected with the first capacitance core, the second capacitance core respectively through wire, described first capacitance core, the second capacitance core are neighbouring and be positioned at inside capacitance shell and be provided with insulation fill stratum, outside described first capacitance core, the second capacitance core and upside is provided with explosion-proof layer, described positive pole pin, negative pin wire be provided with fuse。First capacitance core, the second capacitance core are in insulation fill stratum, and insulation fill stratum can not be destroyed by the parts within protective condenser, it is prevented that short circuit or electric leakage。Insulation fill stratum place in the enclosure and is filled between the first capacitance core, the second capacitance core, insulation effect is good, simultaneously fuse can fuse when high temperature occurs in capacitor internal, it is to avoid the danger of electric shock occurs, under the effect of explosion-proof layer it can be avoided that electric capacity is blasted phenomenon。
Fix between described explosion-proof layer and insulation fill stratum and be connected；Improve explosion-proof effect further。
Fig. 1 is electromagnetic pulse testing circuit in the broken box of right side, controls stirring of relay K。
Access this utility model in parallel between antenna with sky tune chassics earth end, when antenna normal operation, this utility model is off-state, when HEMP irradiation makes antenna induction current/voltage exceed certain threshold value, this utility model short circuit, is released to the electromagnetic energy of coupling on ground wire。Antenna Operation level limit value during according to emission state, it is 5-6KV that optional this utility model starts voltage。This utility model gas-discharge tube GDT1 is protection device of mainly releasing, can by varistor branch, short-circuit after conducting。
This utility model obtains following result by experiment。
(1) adjust in sky port to install this utility model additional and be significantly reduced the faradic current entered within sky tune。During such as one pole inclined antenna central point irradiation field intensity 65KV/M, the faradic current peak value of port is adjusted to be about 30ns up to 450A(main peak halfwidth in sky), release through this utility model and can be restricted to peak value 139A。
(2), during irradiation field intensity 22KV/M, monopole termination faradic current peak value 164A, this utility model design starts the protection circuit of voltage 5.5KV, and the peak value of shunting is about 80A。
(3) unipole antenna is through radio station car binding post into the car, and the average antenna height of inclined antenna increases, and faradic current peak value increases。During center of antenna point irradiation field intensity 59KV/M, antenna end is near car body place electric current up to 550A, and this utility model surging protection circuit shunting peak value is more than 400A。
24, tested radio station time threatens level field intensity irradiation not break down or dysfunction。Result shows; take upper low pressure trough safeguard procedures of the present utility model can respond the conduction pulse threatening the hundreds of A of peak value of level pulsed irradiation generation, the tens of ns of pulsewidth; can effectively protect digitized short-wave radio set, enhance the attacking ability of the anti-upper low pressure trough of digitized short-wave radio set。
It is understandable that, above with respect to specific descriptions of the present utility model, it is merely to illustrate this utility model and is not limited to the technical scheme described by this utility model embodiment, it will be understood by those within the art that, still this utility model can be modified or equivalent replacement, to reach identical technique effect；Needs are used, all within protection domain of the present utility model as long as meeting。
Claims (7)
1. short wave communication upper low pressure trough preventer, including gas-discharge tube GDT1, it is characterized in that GDT1 one end is connected with antenna, resistance R5 one end respectively, GDT1 other end ground connection, the R5 other end respectively with gas-discharge tube GDT2 one end, relay K controlled end stir terminal, electric capacity C1 one end is connected, the GDT2 other end and first varistor one end are connected, the first varistor other end and second varistor one end are connected, the second varistor other end and the 3rd varistor one end, the 3rd varistor other end ground connection；
The described C1 other end is connected with electric capacity C2 one end, diode CR3 anode, diode CR4 negative electrode respectively, and CR4 anode is connected with the C2 other end, electric capacity C5 one end, ground wire, resistance R4 one end, tri-pipe Q2 emitter stages of NPN respectively；
Described CR3 negative electrode is connected with resistance R2 one end, diode CR5 anode, resistance R3 one end respectively, the R2 other end is connected with the C5 other end, CR5 negative electrode respectively, the R3 other end is connected with the R4 other end, Q2 base stage respectively, Q2 colelctor electrode is connected with resistance R1 one end, tri-pipe Q1 base stages of NPN respectively, another termination+12V power supply of R1；
Described Q1 emitter stage is connected with diode CR2 anode, CR2 negative electrode is connected with ground wire, electric capacity C4 one end, electric capacity C3 one end respectively, Q1 colelctor electrode is connected with the C4 other end, inductance L2 one end respectively, the L2 other end controls end one end with the C3 other end, diode CR1 anode, K respectively and is connected, the K control end other end, CR1 negative electrode ,+12V power supply are connected, and the one of K controlled end is fixing, and terminal is connected with equipment collection of letters circuit input end。
2. short wave communication upper low pressure trough preventer according to claim 1, it is characterised in that described GDT1 adopts 5.5KV gas-discharge tube；GDT2 adopts 1KV gas-discharge tube, and the first varistor, the second varistor and the 3rd varistor all adopt 1.8KV varistor；R5 is 1.5 ohmages；C1 is 18pF；C2 is 10pf；C3 is 0.01 μ F；C4 is 0.1 μ F；C5 is 25 μ F/10V；The model of CR1 is 1N4004；The model of CR2 is 1N4454；The model of CR3 is 1N4454；The model of CR4 is 1N4454；The model of CR5 is 1N4454。
3. short wave communication upper low pressure trough preventer according to claim 1, it is characterised in that the resistance of described R1 is 10k Ω；The resistance of R2 is 100K Ω；The resistance of R3 is 2.2K Ω；The resistance of R4 is 10K Ω；The model of Q1 is 2N4124；The model of Q2 is MPSA13；L2 is 100 μ H inductance；The model of K is DSP1E-DC12V。
4. short wave communication upper low pressure trough preventer according to claim 1, it is characterised in that described kind of inductance L2 includes metal-cored, is surrounded with coil on metal-cored, and the periphery of coil is coated with soft magnetism gel, soft magnetism gel and coil contact。
5. short wave communication upper low pressure trough preventer according to claim 4, it is characterised in that described soft magnetism gel unbroken loop is around the periphery of described coil。
6. short wave communication upper low pressure trough preventer according to claim 1, it is characterized in that described electric capacity C5 includes capacitance shell, described capacitance shell side is provided with sealing lid, one end of described capacitance shell is provided with positive pole pin and negative pin, described positive pole pin, negative pin is respectively through wire and the first capacitance core, second capacitance core is connected, described first capacitance core, second capacitance core is neighbouring and is positioned at inside capacitance shell and is provided with insulation fill stratum, described first capacitance core, outside second capacitance core and upside is provided with explosion-proof layer, described positive pole pin, the wire of negative pin is provided with fuse。
7. short wave communication upper low pressure trough preventer according to claim 6, it is characterised in that fixing between described explosion-proof layer and insulation fill stratum be connected。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119271.5U CN205335838U (en) | 2015-12-30 | 2015-12-30 | Short wave communication high altitude nuclear electromagnetic pulse protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119271.5U CN205335838U (en) | 2015-12-30 | 2015-12-30 | Short wave communication high altitude nuclear electromagnetic pulse protector |
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| Publication Number | Publication Date |
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| CN205335838U true CN205335838U (en) | 2016-06-22 |
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| CN201521119271.5U Expired - Fee Related CN205335838U (en) | 2015-12-30 | 2015-12-30 | Short wave communication high altitude nuclear electromagnetic pulse protector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449659A (en) * | 2015-12-30 | 2016-03-30 | 张旭 | Short-wave radio station high-altitude nuclear electromagnetic pulse protection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449659A (en) * | 2015-12-30 | 2016-03-30 | 张旭 | Short-wave radio station high-altitude nuclear electromagnetic pulse protection device |
| CN105449659B (en) * | 2015-12-30 | 2019-03-08 | 张旭 | Short-wave radio set upper low pressure trough protective device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20171230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |