CN203734134U - Compact-type large-energy channel surge protector - Google Patents
Compact-type large-energy channel surge protector Download PDFInfo
- Publication number
- CN203734134U CN203734134U CN201420110209.9U CN201420110209U CN203734134U CN 203734134 U CN203734134 U CN 203734134U CN 201420110209 U CN201420110209 U CN 201420110209U CN 203734134 U CN203734134 U CN 203734134U
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- China
- Prior art keywords
- coaxial fitting
- surge protector
- discharge tube
- gas discharge
- coaxle
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- 230000001012 protector Effects 0.000 title claims abstract description 34
- 239000004020 conductor Substances 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005476 soldering Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 39
- 230000005540 biological transmission Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a surge protector of a communication cable and discloses a compact-type large-energy channel surge protector which includes coaxial joints, microwave cavities, a coaxial gas discharge tube, special-purpose nuts and a special-purpose grounding soldering terminal. The dimension of a casing of the product is 15 Phi. The beneficial effects of the compact-type large-energy channel surge protector are that the surge protector has a dual protection function of radio frequency signals and DC signals and is compact in appearance.
Description
Technical field
The utility model relates to the Surge Protector of telecommunication cable, relates in particular to a kind of pocket macro-energy passage Surge Protector.
Background technology
Railway special communication net is railway important infrastructure, Railway digital dispatch system is the digitizer of railway communication transmission system, it is the personal communication system that is specifically designed to organization of rail transport, dispatch control and organization of production, that railway is realized centralized and unified commander, guarantee driving safety, the important means of raising conevying efficiency and enterprise management level.Railway digital dispatch system is widely used in TD, freight scheduling specialist, power supply dispatching, work business scheduling, other professional dispatching patcher, the field direct connection telephone of standing, the interval business such as call forwarding, recording of speedily carrying out rescue work.
Digital dispatching system is to adopt large scale integrated chip, modularized design, large scale integrated chip withstand voltage not high, is damaged by overvoltage very easily, and even the serious scaling loss of whole device, cause communication terminal and equipment work paralysis, have a strong impact on traffic safety.The carrying out surge protection of digital dispatching system equipment is just particularly important for this reason.
Due to number, adjusting between each passage of integral cabinet spacing is up and down 25 * 25mm; Surge Protector shell sizes is in the market all large than this, cannot be directly installed on number and adjust on integral cabinet, all will be by switching; so, can increase signal transmission attenuation, can not find again suitable installation site.
Summary of the invention
In order to solve the problem of prior art, the utility model provides a kind of pocket macro-energy passage Surge Protector, solves the large deficiency of existing protector outer casing size in prior art.
The technical solution adopted in the utility model is: a kind of pocket macro-energy passage Surge Protector, is comprised of coaxial fitting, Coaxle gas discharge tube, microwave cavity and Special grounding weld tabs; Described Coaxle gas discharge tube is arranged in described microwave cavity; Described Coaxle gas discharge tube connects described coaxial fitting; Described Special grounding weld tabs is enclosed within on the shell of described coaxial fitting and is fixed thereon.
As further improvement of the utility model: the formation that stretches out of the shell of described microwave cavity by described coaxial fitting.
As further improvement of the utility model: described Coaxle gas discharge tube is lightning protection component.
As further improvement of the utility model: the inner wire of described Coaxle gas discharge tube adopts plug-in mode to be connected with the inner wire of described coaxial fitting.
As further improvement of the utility model: the outer conductor of described Coaxle gas discharge tube adopts anchor ring, the contact of coil component spring sheet to be connected with both ends of the surface with the outer conductor of described coaxial fitting.
As further improvement of the utility model: described shell sizes is φ 15mm.
As further improvement of the utility model: described Special grounding weld tabs is enclosed within on the screw thread of described coaxial fitting shell, and is fastened on shell with specialized nut.
As further improvement of the utility model: described coaxial fitting comprises surge end coaxial fitting and protection end coaxial fitting.
The utlity model has following effect:
1, the coaxial fitting shell of surge end and equipment end is stretched out formation microwave cavity.Reduce the switching space of coaxial fitting and microwave cavity, increased the axiality of product simultaneously.Thereby improved the microwave transmission performance of product, the size of having dwindled product.
2, the coaxial fitting of surge end and equipment end can become by different standard design different interface shapes, as: L9, BNC, FL10, F, SMA,, the various terminal such as TNC, increased the diversity of product.
What 3, lightning protection component adopted is Coaxle gas discharge tube.Due to Coaxle gas discharge tube, be to be inside and outside electrode by discharge tube electrode design, interior electrode is metal cylinder, and dispatch from foreign news agency is metal circular tube very, and its electric discharge is to discharge by the outside electrode metal pipe of interior electrode metal cylinder surrounding scattering method.So Coaxle gas discharge tube is larger than the machining area of common gases discharge tube, the Coaxle gas discharge tube of same size is stronger than the thunder and lightning tolerance of common gas discharge tube for this reason.
4, respectively there is a round ceramic shrouding at the two ends of Coaxle gas discharge tube, and inner wire, through the center line of two ends pottery shrouding, is coaxially fixed in body.Therefore higher than the axiality of common gases discharge tube, can reach " well " coupling with the coaxial fitting being connected, obtain than adopting the higher performance parameter of common gases discharge tube.
5, the inner wire connected mode of the inner wire of Coaxle gas discharge tube and two coaxial fittings adopts plug-in, is convenient to assembling product.
6, the outer conductor of Coaxle gas discharge tube and the outer conductor of coaxial fitting adopt is connected+both ends of the surface of anchor ring to connect or the connection of coil component spring sheet contact connection+both ends of the surface, thereby realize the outer conductor of Coaxle gas discharge tube and the dual fail-safe that is connected of coaxial fitting outer conductor reaches large area good contact effect.
7, product casing is designed and sized to φ 15mm, and maximum thunder and lightning tolerance is Imax=20kA, and protector has been realized small size macro-energy, can be directly installed on number and adjust on integral cabinets as an adapter.Reduce the signal transmission attenuation that transit cable brings, saved again installing space and construction cost.
8, Special grounding weld tabs is designed to circle, is enclosed within on the external screw thread of surge end coaxial fitting shell, with specialized nut, be fastened on the shell of protector.Can arbitrarily rotate ground connection weld tabs direction according to the needs of engineering site, constructability, and appearance looks elegant takes up room less.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model example 1;
Fig. 2 is the diversity schematic diagram of the utility model example 1;
Fig. 3 is the structural representation of the utility model example 2;
Fig. 4 is the diversity schematic diagram of the utility model example 2.
Embodiment
The pocket macro-energy passage Surge Protector by embodiment, the utility model being provided below in conjunction with accompanying drawing is described further.
A pocket macro-energy passage Surge Protector, is comprised of coaxial fitting, Coaxle gas discharge tube, microwave cavity and Special grounding weld tabs; Described Coaxle gas discharge tube is arranged in described microwave cavity; Described Coaxle gas discharge tube connects described coaxial fitting; Described Special grounding weld tabs is enclosed within on the shell of described coaxial fitting and is fixed thereon.
The formation that stretches out of the shell of described microwave cavity by described coaxial fitting.
Described Coaxle gas discharge tube is lightning protection component.
The inner wire of described Coaxle gas discharge tube adopts plug-in mode to be connected with the inner wire of described coaxial fitting.
The outer conductor of described Coaxle gas discharge tube adopts anchor ring, the contact of coil component spring sheet to be connected with both ends of the surface with the outer conductor of described coaxial fitting.
Described shell sizes is φ 15mm.
Described Special grounding weld tabs is enclosed within on the screw thread of described coaxial fitting shell, and is fastened on shell with specialized nut.
Described coaxial fitting comprises surge end coaxial fitting and protection end coaxial fitting.
Embodiment 1
Pocket macro-energy passage Surge Protector structure in the present embodiment as shown in Figure 1, is comprised of surge end coaxial fitting 1 (BNC-K), protection end coaxial fitting 2 (BNC-J), Coaxle gas discharge tube 3, microwave cavity 4, specialized nut 5, Special grounding weld tabs 6.
Surge end coaxial fitting 1 and equipment end coaxial fitting 2 shells are stretched out and form microwave cavity 4.Reduce the switching space of coaxial fitting and microwave cavity, increased the axiality of product simultaneously.Thereby improved the microwave transmission performance of product, the size of having dwindled product.
What lightning protection component adopted is Coaxle gas discharge tube 3.Inside and outside electrode due to Coaxle gas discharge tube, is respectively metal cylinder and pipe, and its machining area is large, and the Coaxle gas discharge tube of same size is stronger than the thunder and lightning tolerance of common gas discharge tube for this reason; And respectively there is a round ceramic shrouding at the two ends of Coaxle gas discharge tube, inner wire, through the center line of two ends pottery shrouding, is coaxially fixed in body.Therefore higher than the axiality of common gases discharge tube, can reach " well " coupling with the coaxial fitting being connected, obtain than adopting the higher performance parameter of common gases discharge tube.
Again Coaxle gas discharge tube 3 is placed in microwave cavity 4, the inner wire 7 of discharge tube 3 adopts plug-in with the inner wire 8 of surge end coaxial fitting 1 and the inner wire of equipment end coaxial fitting 29 connected modes, the outer conductor 10 of discharge tube 3 adopts the connection of 13, be connected+two ends of anchor ring with the outer conductor of coaxial fitting 11, realizes the outer conductor 10 of Coaxle gas discharge tube 3 and the large area good contact of coaxial fitting outer conductor 11.
Microwave cavity 4 utilizes Microwave simulation software, adopts the inhomogeneities that just impedance-compensated principle design comes compensating coaxial gas discharge tube to bring microwave transmission, realizes the optimum Match of microwave transmission, reduces microwave transmission loss.
Special grounding weld tabs 6 is designed to circle, is enclosed within on the external screw thread of surge end coaxial fitting shell, and engineering can arbitrarily be rotated ground connection weld tabs direction according to on-the-spot needs, with specialized nut 5, Special grounding weld tabs 6 is fastened on the shell of protector.Constructability, and appearance looks elegant takes up room less.
The utility model shell sizes is designed to φ 15mm; due to the Coaxle gas discharge tube 3 using; its maximum thunder and lightning tolerance can bear Imax=20kA, and protector has been realized small size macro-energy, can be directly installed on number and adjust on integral cabinet as an adapter.Reduce the signal transmission attenuation that transit cable brings, saved again installing space and construction cost.
Surge end coaxial fitting 1 can become by different standard design different interface shapes with equipment end coaxial fitting 2, as: L9, BNC, FL10, F, SMA,, the various terminal such as TNC, increased the diversity of product.As shown in Figure 2, surge end coaxial fitting 1 and equipment end coaxial fitting 2 are pressed IEC60169-13 standard design, and product has just become the Surge Protector of L9 interface.Can become the Surge Protector of other interface shapes by that analogy, thereby realize the diversity of Surge Protector.
Embodiment 2
Pocket macro-energy passage Surge Protector structure in the present embodiment as shown in Figure 3, is comprised of surge end coaxial fitting 1 (BNC-K), protection end coaxial fitting 2 (BNC-J), Coaxle gas discharge tube 3, microwave cavity 4, specialized nut 5, Special grounding weld tabs 6, annular spring leaf 12.
The present embodiment 2 stretches out surge end coaxial fitting 1 and equipment end coaxial fitting 2 shells to form microwave cavity 4 with embodiment 1.Microwave cavity 4 still utilizes Microwave simulation software and the inhomogeneities that the impedance-compensated principle design of height comes compensating coaxial gas discharge tube to bring microwave transmission, realizes the optimum Match of microwave transmission.Annular spring leaf 12 is placed on microwave cavity 4 inwalls, then Coaxle gas discharge tube 3 is placed in annular spring leaf 12.The inner wire 7 of coaxial discharge pipe 3 adopts plug-in with the inner wire 8 of surge end coaxial fitting 1 and the inner wire of equipment end coaxial fitting 29 connected modes, and the outer conductor 10 of coaxial discharge pipe 3 is connected with the outer conductor 11 of coaxial fitting with two ends 13 by annular spring leaf 12.Other are with embodiment 1.
As shown in Figure 4, the correlated parts of surge end coaxial fitting 1 and protection end coaxial fitting 2 is pressed IEC60169-13 standard design to the diversity schematic diagram of the present embodiment 2 schemes, and other are the same.Product has just become the Surge Protector of L9 interface.Can become the Surge Protector of other interface shapes by that analogy, thereby realize the diversity of Surge Protector.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (8)
1. a pocket macro-energy passage Surge Protector, is characterized in that: coaxial fitting, Coaxle gas discharge tube, microwave cavity and Special grounding weld tabs, consist of; Described Coaxle gas discharge tube is arranged in described microwave cavity; Described Coaxle gas discharge tube connects described coaxial fitting; Described Special grounding weld tabs is enclosed within on the shell of described coaxial fitting and is fixed thereon.
2. pocket macro-energy passage Surge Protector according to claim 1, is characterized in that: the formation that stretches out of the shell of described microwave cavity by described coaxial fitting.
3. pocket macro-energy passage Surge Protector according to claim 1, is characterized in that: described Coaxle gas discharge tube is lightning protection component.
4. pocket macro-energy passage Surge Protector according to claim 1, is characterized in that: the inner wire of described Coaxle gas discharge tube adopts plug-in mode to be connected with the inner wire of described coaxial fitting.
5. pocket macro-energy passage Surge Protector according to claim 1, is characterized in that: the outer conductor of described Coaxle gas discharge tube adopts anchor ring, the contact of coil component spring sheet to be connected with both ends of the surface with the outer conductor of described coaxial fitting.
6. pocket macro-energy passage Surge Protector according to claim 1, is characterized in that: described shell sizes is φ 15mm.
7. pocket macro-energy passage Surge Protector according to claim 1, is characterized in that: described Special grounding weld tabs is enclosed within on the screw thread of described coaxial fitting shell, and is fastened on shell with specialized nut.
8. pocket macro-energy passage Surge Protector according to claim 1, is characterized in that: described coaxial fitting comprises surge end coaxial fitting and protection end coaxial fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110209.9U CN203734134U (en) | 2014-03-12 | 2014-03-12 | Compact-type large-energy channel surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110209.9U CN203734134U (en) | 2014-03-12 | 2014-03-12 | Compact-type large-energy channel surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734134U true CN203734134U (en) | 2014-07-23 |
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ID=51204180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420110209.9U Expired - Lifetime CN203734134U (en) | 2014-03-12 | 2014-03-12 | Compact-type large-energy channel surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252180A (en) * | 2016-08-04 | 2016-12-21 | 中国石油化工股份有限公司 | A kind of Novel gas discharge tube for coaxial cable |
| CN110444948A (en) * | 2019-08-16 | 2019-11-12 | 四川赛尔特科技有限公司 | A kind of wall-penetrating type antenna feeder Surge Protector |
-
2014
- 2014-03-12 CN CN201420110209.9U patent/CN203734134U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252180A (en) * | 2016-08-04 | 2016-12-21 | 中国石油化工股份有限公司 | A kind of Novel gas discharge tube for coaxial cable |
| CN106252180B (en) * | 2016-08-04 | 2017-10-10 | 中国石油化工股份有限公司 | A kind of gas-discharge tube for coaxial cable |
| CN110444948A (en) * | 2019-08-16 | 2019-11-12 | 四川赛尔特科技有限公司 | A kind of wall-penetrating type antenna feeder Surge Protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |