CN208820468U - A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal - Google Patents
A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal Download PDFInfo
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- CN208820468U CN208820468U CN201821736358.0U CN201821736358U CN208820468U CN 208820468 U CN208820468 U CN 208820468U CN 201821736358 U CN201821736358 U CN 201821736358U CN 208820468 U CN208820468 U CN 208820468U
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- spark gap
- varistor
- 806mhz
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Abstract
A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal, the utility model relates to Spark gap fields.Protection object range for the existing Spark gap device of solution is small, and stability is poor, to the higher practical problem of operating environment requirements.The utility model includes protection unit shell and protection circuit, protective device shell includes nine boss, two N-type sockets, plummer and two mounting holes, coaxial arrangement, two of them N-type socket and two mounting holes are symmetricly set on the both ends of plummer, protection circuit includes S20K30 varistor, S20K50 varistor and big frequency filter, input terminal connects S20K30 varistor, the big frequency filter of S20K30 varistor series connection, big frequency filter series connection S20K50 varistor, reconnects output end.The utility model is applied to the Spark gap field to radiofrequency signal.
Description
Technical field
The utility model relates to a kind of Spark gap devices, and in particular to one kind is applied to 806MHZ~2500MHZ
The Spark gap device of radiofrequency signal.
Background technique
With the rapid development of electronic technology, the system functions such as electronic system, weapon system and efficiency have obtained pole immediately
Big to be promoted, at the same time, the impact of the electromagnetic pulse in above system is equally also reinforced, and above system is in face of electricity
Magnetic field impulse has embodied biggish fragility when impacting the impact of high-energy.Electromagnetic pulse can mainly cause transient overvoltage or electricity
Effect is gushed, this can not only make electronic equipment generate malfunction, the serious hardware damage that also will cause electronic equipment.After this
There is Spark gap device, existing Spark gap device protection effect is obvious.When electrical surge electric current causes
Overvoltage be easy breakdown protective device, working frequency 806MHZ radiofrequency signal below can only be protected, electromagnetic pulse
Protective device can generate strike phenomenon under rugged environment.
In conclusion the protection object range of existing Spark gap device is small, stability is poor and wants to working environment
Ask higher.
Utility model content
The utility model be solve existing Spark gap device protection object range it is small, stability difference and to work
The higher practical problem of environmental requirement, and propose a kind of Spark gap applied to 806MHZ~2500MHZ radiofrequency signal
Device.
A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal of the utility model, group
At including protective device shell and protection circuit；
Protective device shell includes nine boss, two N-type sockets, plummer, two mounting holes, threaded hole and sealing
Plug is successively processed in the left side of plummer there are three boss, a mounting hole, two boss and a N-type socket, plummer
Right side is successively processed there are two boss, a mounting hole, two boss and a N-type socket, and the lower end of plummer is equipped with screw thread
Hole, upper end are equipped with sealing-plug；
Protection circuit includes S20K30 varistor 5, S20K50 varistor 3 and big frequency filter 2, and S20K30 is pressure-sensitive
One end of resistance 5 connects input terminal, and 5 other end of S20K30 varistor connects one end of big frequency filter 2, big frequency filtering
One end of the other end connection S20K50 varistor 3 of device 2, the other end of S20K50 varistor 3 connect output end；
Big frequency filter includes two Butterworth LPFs, two Butterworth LPF series connection；
Butterworth LPF includes inductance coil one, inductance coil two, capacitor one, capacitor two and capacitor three, electricity
Feel one end of one end connection capacitor one of coil one, one end of the other end connection capacitor two of capacitor one, the other end of capacitor two
Connect inductance coil one the other end, inductance coil one the other end connection inductance coil two one end, inductance coil two it is another
One end connects one end of capacitor three, one end of the other end connection capacitor two of capacitor three.
The utility model has the advantages that compared with prior art
One, the utility model overcomes the deficiency of existing electromagnetic protective device, realizes the anti-of Spark gap device
Object range is protected to increase.Coaxial cable and radio-frequency power to working frequency 806MHz~2500MHz, 50 Ω are up to the logical of 500W
It interrogates equipment and carries out Spark gap.
Two, the utility model can make the stability of electromagnetic protective device be increased to 80%, and the utility model is based on high pass
Filtering technique can provide a variety of strong electromagnetic pulse transient protectives, can be by nuclear electromagnetic pulse (NEMP), high-altitude electromagnetic pulse
(HEMP), lower remnants are arrived in overvoltage injury caused by Lightning Electromagnetic Pulse (LEMP) and other electrical surge electric currents, protection
Energy.
Three, the utility model overcomes to the higher problem of operating environment requirements, product adaptation particular surroundings requirement,
The components material of product form can keep normal function and performance under harsh high and low temperature and salt fog, hygrothermal environment.
Four, the utility model Product maintenance is good, and device replacement is convenient.
Five, the utility model is directly mounted on faraday cup or metal shell.Install Spark gap device additional not
Influence the function and performance of protected device.
Detailed description of the invention
Fig. 1 is the protective device outer casing construction drawing of the utility model；
Fig. 2 is the utility model protection circuit figure.
Specific embodiment
Specific embodiment 1: illustrating that present embodiment, present embodiment include protective device shell in conjunction with Fig. 1 and Fig. 2
And protection circuit；
Protective device shell includes N-type socket 1, boss 1,2 10, two mounting holes 11 of boss, boss 3 12, convex
Platform 4 13, boss 5 14, plummer 15, boss 6 16, boss 7 17, boss 8 18, boss 9 19, N-type socket 2 20 and spiral shell
Pit 22 is successively machined with boss 5 14, boss 4 13, boss 3 12, mounting hole 11, boss two in the left side of plummer 15
10, boss 1 and N-type socket 1, the right side of plummer 15 be successively machined with boss 6 16, boss 7 17, mounting hole 11,
The lower end of boss 8 18, boss 9 19 and N-type socket 2 20, plummer 15 is equipped with threaded hole 22；
Protection circuit includes S20K30 varistor 5, S20K50 varistor 3 and big frequency filter 2, and S20K30 is pressure-sensitive
One end of resistance 5 connects input terminal, and 5 other end of S20K30 varistor connects one end of big frequency filter 2, big frequency filtering
One end of the other end connection S20K50 varistor 3 of device 2, the other end of S20K50 varistor 3 connect output end；
Big frequency filter 2 includes two Butterworth LPFs 6, and two Butterworth LPFs 6 are connected；
Butterworth LPF 6 includes inductance coil 1, inductance coil 2 25, capacitor 1, capacitor 2 24 and electricity
Holding 34, one end of one end connection capacitor 1 of inductance coil 1, the other end of capacitor 1 connects one end of capacitor 2 24,
The other end of the other end connection inductance coil 1 of capacitor 2 24, the other end connection inductance coil 2 25 of inductance coil 1
One end, one end of the other end connection capacitor 34 of inductance coil 2 25, one end of the other end connection capacitor 2 24 of capacitor 34.
Specific embodiment 2: embodiment is described with reference to Fig. 1, boss 3 12 and boss seven described in present embodiment
17, shape is positive eight prisms.
Specific embodiment 3: embodiment is described with reference to Fig. 1,22 size of threaded hole described in present embodiment is
M6。
Specific embodiment 4: embodiment is described with reference to Fig. 1, two 11 sizes of mounting hole described in present embodiment
For M29*1.5.
Specific embodiment 5: embodiment is described with reference to Fig. 1, N-type socket 1, boss described in present embodiment
One 9,2 10, two mounting holes 11, boss 3 12, boss 4 13, boss 5 14, plummer 15, boss 6 16, boss seven of boss
17, boss 8 18, boss 9 19 and N-type socket 2 20 are coaxially disposed.
Specific embodiment 6: embodiment is described with reference to Fig. 2, the parameter of capacitor 4 described in present embodiment is
1.97nF。
Specific embodiment 7: embodiment is described with reference to Fig. 1,15 upper end of plummer described in present embodiment is equipped with close
Blocking 21.
Claims (7)
1. a kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal, it is characterised in that: the electromagnetism
Pulse protective device includes protective device shell and protection circuit；
Protective device shell includes N-type socket one (8), boss one (9), boss two (10), two mounting holes (11), boss three
(12), boss four (13), boss five (14), plummer (15), boss six (16), boss seven (17), boss eight (18), boss nine
(19), N-type socket two (20) and threaded hole (22) are successively machined with boss five (14), boss four in the left side of plummer (15)
(13), boss three (12), mounting hole (11), boss two (10), boss one (9) and N-type socket one (8), in plummer (15)
Right side is successively machined with boss six (16), boss seven (17), mounting hole (11), boss eight (18), boss nine (19) and N-type socket
The lower end of two (20), plummer (15) is equipped with threaded hole (22)；
Protection circuit includes S20K30 varistor (5), S20K50 varistor (3) and big frequency filter (2), S20K30 pressure
One end of quick resistance (5) connects input terminal, and the other end of S20K30 varistor (5) connects one end of big frequency filter (2),
One end of other end connection S20K50 varistor (3) of big frequency filter (2), the other end of S20K50 varistor (3)
Connect output end；
Big frequency filter (2) includes two Butterworth LPFs (6), two Butterworth LPF (6) strings
Connection；
Butterworth LPF (6) includes inductance coil one (1), inductance coil two (25), capacitor one (23), capacitor two
(24) connect with capacitor three (4), the other end of one end of one end connection capacitor one (23) of inductance coil one (1), capacitor one (23)
Connect one end of capacitor two (24), the other end of other end connection inductance coil one (1) of capacitor two (24), inductance coil one (1)
The other end connection inductance coil two (25) one end, inductance coil two (25) the other end connection capacitor three (4) one end, electricity
Hold one end of other end connection capacitor two (24) of three (4).
2. a kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal according to claim 1,
It is characterized by: the boss three (12) and boss seven (17), shape is positive eight prisms.
3. a kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal according to claim 1,
It is characterized by: threaded hole (22) size is M6.
4. a kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal according to claim 1,
It is characterized by: two mounting hole (11) sizes are M29*1.5.
5. a kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal according to claim 1,
It is characterized by: the N-type socket one (8), boss one (9), boss two (10), two mounting holes (11), boss three (12),
Boss four (13), boss five (14), plummer (15), boss six (16), boss seven (17), boss eight (18), boss nine (19)
It is coaxially disposed with N-type socket two (20).
6. a kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal according to claim 1,
It is characterized by: the parameter of the capacitor one (23), capacitor two (24) and capacitor three (4) is 1.97nF.
7. a kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal according to claim 1,
It is characterized by: plummer (15) upper end is equipped with sealing-plug (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736358.0U CN208820468U (en) | 2018-10-25 | 2018-10-25 | A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736358.0U CN208820468U (en) | 2018-10-25 | 2018-10-25 | A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820468U true CN208820468U (en) | 2019-05-03 |
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ID=66280280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821736358.0U Active CN208820468U (en) | 2018-10-25 | 2018-10-25 | A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal |
Country Status (1)
| Country | Link |
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| CN (1) | CN208820468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111786734A (en) * | 2020-06-28 | 2020-10-16 | 深圳市速联技术有限公司 | Radio frequency coaxial strong electromagnetic pulse protection method and device |
-
2018
- 2018-10-25 CN CN201821736358.0U patent/CN208820468U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111786734A (en) * | 2020-06-28 | 2020-10-16 | 深圳市速联技术有限公司 | Radio frequency coaxial strong electromagnetic pulse protection method and device |
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