CN2251200Y - Medium-long wave transmitter arrester - Google Patents
Medium-long wave transmitter arrester Download PDFInfo
- Publication number
- CN2251200Y CN2251200Y CN 96217390 CN96217390U CN2251200Y CN 2251200 Y CN2251200 Y CN 2251200Y CN 96217390 CN96217390 CN 96217390 CN 96217390 U CN96217390 U CN 96217390U CN 2251200 Y CN2251200 Y CN 2251200Y
- Authority
- CN
- China
- Prior art keywords
- discharge
- long wave
- arrester
- box body
- utility
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a medium-long wave transmitter arrester, comprising a box body, an insulation plate which is arranged in the box, at least three discharge cylinders which are matched with the insulation plate through threads, locking nuts which are matched with the discharge cylinders, discharge gaps which are formed between end surfaces of the discharge cylinders and a bottom plate of the box, and inductance coils which are connected in series between two neighbouring discharge cylinders, wherein, the box body comprises a top plate, side plates which are made of dielectric plates, and a bottom plate which is made of a metal plate. The utility model has the advantages of broad operation frequency, small insertion loss, large lightning through current, low discharge voltage, and the utility model is suitable for preventing induction thunder and direct thunder striking of medium-long wave transmitters.
Description
The utility model relates to a kind of lightning arrester, particularly relates to a kind of middle long wave antenna feeder arrester.
Thunder and lightning is regarded as one of maximum natural calamity, protects valuable electronic equipment to exempt from thunderbolt, has caused great attention.In the long-wave antenna span big, be difficult to use lightning conductor protection, so adopt must consideration can the release big electric current of direct lightning strike of protection of arrester, can not adopt Zinc-oxide piezoresistor and gas discharge tube.Long-wave transmitter mainly adopts a kind of single discharging gap at present, by two bar shapeds movably sheet metal constitute, its head is tapered, and is fixed on simultaneously on the insulating base, the two apart from 10MM about, constitute discharging gap.Antenna and ground are penetrated in the other sending and receiving of bullion sheet during use.Its shortcoming is discharging gap big (too small meeting causes high frequency breakdown), and starting resistor height (1-3 ten thousand V) can effectively be protected transmitter down.
It is a kind of at least by three groups of discharging gaps and two middle long wave antenna feeder arresters that inductance constitutes that the purpose of this utility model is to provide.
The long wave antenna feeder arrester is to realize like this in the utility model, it comprises that top board, side plate are dielectric-slab, base plate is the box body of metallic plate, be arranged on the insulation board in the box body, at least three discharge cylinders with the insulation board threaded engagement, the locking nut that cooperates with the discharge cylinder forms at least three group discharging gaps between discharge cylinder end face and the base plate, and the lumped parameter inductance of connecting between adjacent two discharge cylinders.Wherein the insulation board in the box body is used for fixing the discharge cylinder, by the rotating electric-discharging cylinder, and the distance between scalable discharge cylinder end face and the base plate, i.e. discharging gap is to satisfy the lightning arrester parameter request.Locking nut is used for the discharge cylinder is fixed on insulation board.Convenient for line, can on the discharge cylinder, weld tabs be set, weld tabs generally is set on the discharge cylinder, and by locking nut locking, the two ends of inductance are welded on respectively on the weld tabs of two adjacent discharge column bodies.Also can leading-out end be set on box body, more convenient when lightning arrester is connected with electronic equipment.
The operation principle of long wave antenna feeder arrester is in the utility model; by leading-out end lightning arrester is connected in parallel on the about 2-3M of long-wave transmitter place in the distance during use; the metal base plate of box body connects protection ground; because inductance can not enter the RF high power of transmitter; so and the lightning arrester that connects can not cause discharging gap disruptive discharge; the induction or the direct lightning strike that enter from antenna then can all discharge discharging gap by inductance, draw thunder and lightning and go into ground, thereby the protection transmitter exempts from thunderbolt.
The advantage of long wave antenna feeder arrester is power frequency rate wide ranges (0.1-3MHZ) in the utility model, insert loss little ((0.2dB), thunder and lightning through-current capacity big (reaching 100KA), discharge voltage low (3-5KV) is applicable to long-wave transmitter anti-induction thunder and direct lightning strike among the 100-2000W.
Describe the utility model embodiment in detail below in conjunction with accompanying drawing.
Fig. 1: the utility model structural representation
The long wave antenna feeder arrester comprises top board 1 in the utility model, side plate 2 is for dividing scutum, base plate 3 is the box body of metallic plate, be arranged on the insulation board 4 in the box body, three discharge cylinders 5 that are threaded with insulation board 4, be set on the weld tabs 6 on the discharge cylinder 5, cooperates with discharge cylinder 5 and weld tabs 6 and the cylinder 5 that discharges are locked at locking nut 7 on the insulation board 4, form three groups of discharging gap d between discharge cylinder 5 end faces and the base plate 3, and the lumped parameter inductance 8 of between adjacent two discharge cylinders 5, connecting, the two ends of inductance 8 are welded on respectively on the weld tabs 6, also be provided with leading-out end 9 on the box body, draw joint 9 and be connected with weld tabs 6 leads.
Claims (3)
1, a kind of middle long wave antenna feeder arrester, it is characterized in that comprising that top board, side plate are dielectric-slab, base plate is the box body of metallic plate, be arranged on the insulation board in the box body, at least three discharge cylinders with the insulation board threaded engagement, locking nut with the discharge cylinder cooperates forms discharging gap between discharge cylinder end face and the base plate, and is in series with inductance between adjacent two discharge cylinders.
2, middle long wave antenna feeder arrester as claimed in claim 1 is with weld tabs on the cylinder that it is characterized in that discharging.
3, middle long wave antenna feeder arrester as claimed in claim 1 or 2 is characterized in that leading-out end is arranged on the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217390 CN2251200Y (en) | 1996-08-09 | 1996-08-09 | Medium-long wave transmitter arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217390 CN2251200Y (en) | 1996-08-09 | 1996-08-09 | Medium-long wave transmitter arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2251200Y true CN2251200Y (en) | 1997-04-02 |
Family
ID=33898553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96217390 Expired - Fee Related CN2251200Y (en) | 1996-08-09 | 1996-08-09 | Medium-long wave transmitter arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2251200Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1809949B (en) * | 2003-05-02 | 2010-05-05 | Lgp奥高股份公司 | Microwave transmission unit including lightning protection device |
-
1996
- 1996-08-09 CN CN 96217390 patent/CN2251200Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1809949B (en) * | 2003-05-02 | 2010-05-05 | Lgp奥高股份公司 | Microwave transmission unit including lightning protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |