CN2812338Y - Protective coaxial connector - Google Patents
Protective coaxial connector Download PDFInfo
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- CN2812338Y CN2812338Y CNU2005200059336U CN200520005933U CN2812338Y CN 2812338 Y CN2812338 Y CN 2812338Y CN U2005200059336 U CNU2005200059336 U CN U2005200059336U CN 200520005933 U CN200520005933 U CN 200520005933U CN 2812338 Y CN2812338 Y CN 2812338Y
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- conductor
- coaxial connector
- protection
- gas discharge
- inner wire
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Abstract
The utility model relates to a protective coaxial connector, which has the structure that a lightenning protection assembly is electrically connected between an outer and an inner conductors of the connector, and the lightenning protection assembly is composed of two or more than two non-linear elements, or a non-linear element of the non-gas discharge tube kind; all the elements can be electrically connected in series, or in parallel, or in composite connection of series-parallel connection, etc. The kinds of the non-linear elements comprises varistors, gas discharge tubes, transient voltage suppression diodes, solid discharge tubes, or other non-linear elements. The protective coaxial connector of the kind has the functions connection and lightenning protection, has favorable performance of microwave transmission and does not have the defect of follow current of the gas discharge tube. The utility model has the advantages of low cost and high reliability, and can be widely used for transient overvoltage protection in various wireless telecommunication equipment and cable television systems.
Description
Technical field
The utility model belongs to coaxial connector, and particularly a kind of existing lightning protection function does not have the coaxial connector of afterflow effect again.
Background technology
Coaxial connector is widely used in systems such as various Wireless Telecom Equipments, cable TV as its input, lead-out terminal, for the safety of systematic protection thunder and lightning, is extensive use of antenna feeder surge protector, and it inserts feeder system by coaxial connector.
The ZL01247642.0 utility model patent has been announced a kind of protection coaxial connector, and the coaxial gas discharge tube as lightning protection device and coaxial connector integrator, has been simplified overall arrangement significantly, reduces fixing link.
But for the communication quality or the increase communication distance that improve Wireless Telecom Equipment, the technical measures that can take are that a low-noise preamplifier is set in the antenna lower end, are commonly called as tower and put, and for example GSM repeater tower is put.When putting to tower that feedback exchanges by feeder line and described protection coaxial connector or during DC power supply, because this lightning protection connector has used the gas discharge tube that the afterflow effect is arranged, under the effect of thunder and lightning, can produce the afterflow phenomenon, make signal by short circuit, system's cisco unity malfunction also can damage equipment when serious.The afterflow effect that gas is put pipe is restricted the use of protection coaxial connector.
Summary of the invention
The utility model has improved the non-linear element assembly that is installed between the coaxial connector internal and external conductor at the problem that prior art exists, and makes the afterflow effect no longer take place, and can be used to have a cutting system of feed requirement and no feed requirement.
The technical solution of the utility model is: the protection coaxial connector comprises: outer conductor, inner wire and be arranged at therebetween dielectric: described inner wire is positioned at the endoporus central authorities of described outer conductor, and is coaxial with outer conductor; It is characterized in that: between described outer conductor and inner wire, be connected with lightning protection component; Described lightning protection component is made up of with series, parallel or the compound ways of connecting of connection in series-parallel two or two above non-linear elements.
Wherein this non-linear element is selected from piezo-resistance, gas discharge tube, transient voltage inhibition diode, solid discharging tube or other non-linear lightning protection components.
Described lightning protection component or one are selected from piezo-resistance, transient voltage and suppress diode, put the non-linear element of one of pipe admittedly.
Particularly, because the piezo-resistance response time is short, only be the 25ns magnitude usually, no afterflow effect adopts simple (one or more) piezo-resistance or other non-linear elements and piezo-resistance series system, can solve the shortcoming that exists in the prior art.
The utility model scenario-frame is simple, its structure is done corresponding distortion, allow to adapt to existing various coaxial connectors, for example: the connected mode of various coaxial connectors such as N type, L16, TNC, F type, FL10, DIN7/16, L29 and their all types of combinations, the convenient application.Add special-purpose lightning arrester formation antenna feeder signal guard system with common coaxial connector and compare, this product both can reduce fixing link when using, and can reduce cost significantly again.Because it is good that it has the microwave transmission performance, there is not the shortcoming that there is afterflow in gas discharge tube again, low price, the reliability height, the instantaneous overvoltage that can be widely used in various Wireless Telecom Equipments, cable television system is protected.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the utility model protection coaxial connector.
Fig. 2 is the structural representation of second embodiment of the utility model protection coaxial connector.
Fig. 3 is the structural representation of the 3rd embodiment of the utility model protection coaxial connector.
Fig. 4 is the structural representation of the 4th embodiment of the utility model protection coaxial connector.
Fig. 5 is the structural representation of the 5th embodiment of the utility model protection coaxial connector.
Embodiment
Describe each embodiment in detail below with reference to accompanying drawing.
Fig. 1 is the structural representation of first embodiment of the utility model protection coaxial connector, comprise shell 1, inner wire 2 as the outer conductor of connector, dielectric 5,7 between shell and the inner wire, shell 1 is made by copper alloy or aluminium alloy, outer conductor as connector, the total direct-axis of shell is to connecting three parts that are provided with, i.e. first section 11 of the left side, second section 12 and the end cap between them 13 on right side in Fig. 1, they all have endoporus, and different separately external diameters can be arranged.Be screw thread on first section 11 and second sections 12 the external cylindrical surface in this example, do threaded connection for the parts that are connected with it.The outer peripheral face of end cap 13 is installed this coaxial connector for turn, can make for example such hexagonal prism shape of hexagonal (hexagon)nut.If second dielectric 5, the periphery of medium 5 and endoporus conflict the respectively endoporus and the inner wire 2 of second section 12 on shell, in order not allow medium 5 at axial motion, inner wire 2 can be installed dielectric 5 on the technology, be inserted in second section 12 the endoporus of shell 1, the shoulder set against described endoporus the inside done dielectric 5 location to close up with this port of second section of shell again and handled again, make and hold this medium 5 tightly, the location of medium 5 will make inner wire 2 not move axially.The other end of shell; for example establish dielectric 7 in first section 11 the port; this is laminar parts; centre has the cylindric bead of band endoporus; the hole is for the corresponding termination of inserting inner wire 2; the corresponding termination of this inner wire 2 is terminations of illustrated left end now, and to locate the position of this termination, this part damages in the time of in use protecting inner wire 2 not inserted by other cable core that matches.Dielectric outside this section, between inner wire is an air.
In the inner chamber of end cap, the inner peripheral surface that pastes this hole is established the piezo-resistance 3 as one of non-linear element, contact connects an electrode of piezo-resistance, establish gas discharge tube 4 in the piezo-resistance 3 as another non-linear element, make another electrode of piezo-resistance 3 electrically contact an electrode of gas discharge tube 4, and allow another electrode and the inner wire of gas discharge tube 4 be electrically connected.Like this, connector is outer, be connected to the non-linear elements of putting pipe 4 series connection by piezo-resistance 3 and lightning protection gas between the inner wire constitutes lightning protection component, and when meeting with thunderbolt, described lightning protection component punctures conducting, with the thunder and lightning short circuit, and the equipment of protection mounted connector.Gas discharge tube profile in this example can be the shape of cylindrical, cube shaped, disc etc., is placed in the space between end cap and the inner wire, and as above-mentioned, its two electrode correspondingly connects described piezo-resistance and inner wire.
Described piezo-resistance can be one of Zinc-oxide piezoresistor, strontium carbonate piezo-resistance or other known piezo-resistance.
In order to be connected with connected equipment, the side in the connector, inner wire 2 is that a major axis passes described medium 5 endoporus and extends outside connector, as shown in Figure 1.
The characteristic impedance of protection coaxial connector is 75 Ω in the present embodiment.The ratio D/d of the first section 11 diameter of bore D of shell 1 and the outside diameter d of inner wire 2 first conductors 21 is 3.5, second section 12 diameter of bore D ' of shell 1 and ratio D '/d ' of inner wire 2 second conductor diameter d ' are 6.17, because this partially filled dielectric 5, its characteristic impedance still can be adjusted identically with characteristic impedance when filling for air dielectric in the shell 1, so protection coaxial connector of the present utility model has good microwave transmission performance.
The lightning protection connector frequency range is DC～1200MHZ in the present embodiment, and loss A≤0.3dB is inserted in standing-wave ratio S≤1.10.
It is F type the moon head that the port link is gone into, and brings out to be N type band extension type inner wire.Certainly, the type that every end uses is arbitrarily, is not limited to the type in this example.
As non-linear element, the transient voltage that also has that can select for use suppresses diode, solid discharging tube or other non-linear element.
In the present embodiment, can cancel gas discharge tube, only a cylindrical piezo-resistance is parallel between the inner and outer conductor.
Fig. 2 is the structural representation of second embodiment of expression the utility model protection coaxial connector.Difference from Example 1 is: coaxial connector of the same type can be adopted in the two ends 11 of shell 1 and 12, one of all types of such as N type, L16, TNC, F type, FL10, DIN7/16, L29 and they, its outer peripheral face mode of connection also can replace being threaded with interference fit.
Fig. 3 is the structural representation of the 3rd embodiment of expression the utility model protection coaxial connector.Be with the second embodiment difference: gas discharge tube 4 is a kind of coaxial configurations, the garden cylindricality outer conductor of making by metal garden pipe, the garden sheet of being made by insulating material with coaxial central inner conductor of outer conductor and two sides that the little garden of metal rod is made seals the coaxial gas discharge tube that forms, its central inner conductor is passed the aperture of circle in sealing and is stretched out to two ends, and inside and outside two conductors constitute two electrodes.Connector inner wire 2 is separated into two parts in this example, first conductor 21 and second conductor 22, one end of this conductor 21,22 is respectively equipped with jack, and insert respectively in the described jack at the two ends of electrode in the gas discharge tube, is equivalent to gas discharge tube and is connected in the middle of two parts inner wire 21,22.Two electrodes of ring varistor 3 then are installed between coaxial gas discharge tube 4 and end cap 13 inner peripheral surfaces.Its microwave transmission performance of the protection coaxial connector of present embodiment structure is better than example 2, and maximum operating frequency can reach 3000MHz.
Fig. 4 is the structural representation of the 4th embodiment of expression the utility model protection coaxial connector.Be with the first or second embodiment difference:
(1) space at gas discharge tube 4 places in Fig. 2, and put gas discharge tube 4 and Transient Suppression Diode 9 (or surge absorbing tube), they are connected with piezo-resistance 3 respectively, therefore should be considered as the also string data structure that this example belongs to non-linear element.Equally, as non-linear element, the transient voltage that also has that can select for use suppresses diode, solid discharging tube or other non-linear element.
(2) the protection coaxial connector among it and Fig. 2 relatively has lower protection level.
Fig. 5 is the structural representation of the 5th embodiment of expression the utility model protection coaxial connector.Be with difference in the first or second example example:
(1) opposite of gas discharge tube 4 in Fig. 2, settled Transient Suppression Diode 9, be connected between the connector inner and outer conductor, it constitutes in parallel with the assembly of piezo-resistance 3 and gas discharge tube 4 formations, therefore this example can be considered be non-linear element and formula structure, the particularly occasion of using gases discharge tube not as previously mentioned.
(2) its advantage is that production cost is lower than example 4, but microwave parameters is a little less than example 4.
More than five layouts that embodiment structurally has nothing in common with each other, protection range of the present utility model is not limited to example, the architectural feature in each example can optionally be used mutually.They also all can constitute different characteristic impedances by the choice structure parameter, to satisfy the different user needs.For example, being equivalent to have between inner and outer conductor among first embodiment ratio of outside diameter d of first conductor 12 of the inside diameter D of 1 first section 11 on that section shell of air dielectric and inner wire is 3.5, corresponding characteristic impedance is 75 Europe, and ratio is 2.3,5.3 o'clock, correspondingly be 50,100 Europe, said, when between the inner wire dielectric being arranged outward,, by adjusting size and dielectric property, can make characteristic impedance with requirement, usually, the D/d value correspondingly has characteristic impedance 20-200 Europe in the 1.4-28 scope.
Can form the protection coaxial connector of different nominal conducting voltage by the various combination of the non-linear element of different puncture voltages, to satisfy the demand of different system degree of protection.
Claims (7)
1, protection coaxial connector comprises: shell, inner wire and be arranged at therebetween dielectric; Described inner wire is positioned at the endoporus central authorities of described shell, and is coaxial with shell; Described shell is as a kind of outer conductor; It is characterized in that: be connected with lightning protection component between described outer conductor and the inner wire; Described lightning protection component is made of a non-linear element, perhaps, is made up of with series, parallel or the compound ways of connecting of connection in series-parallel two or two above non-linear elements.
2, protection coaxial connector according to claim 1 is characterized in that: described non-linear element is piezo-resistance, gas discharge tube, transient voltage inhibition diode or puts pipe admittedly.
3, protection coaxial connector according to claim 2 is characterized in that: described gas discharge tube, its profile are cylindrical or coaxial configuration; The cylinder two ends of described cylindrical gas discharge pipe are two electrodes; The garden cylindricality outer conductor that described coaxial configuration gas discharge tube is made by metal garden pipe, the garden sheet of being made by insulating material with coaxial central inner conductor of outer conductor and two sides that the little garden of metal rod is made seals and forms, its central inner conductor is passed the aperture of circle in sealing and is stretched out to two ends, and inside and outside two conductors constitute two electrodes.
4, protection coaxial connector according to claim 2 is characterized in that: described piezo-resistance, and its material adopts zinc oxide or strontium carbonate voltage sensitive material, and its profile is garden sheet, square sheet or cylinder; Described profile is that the inner and outer rings of cylindrical piezo-resistance is respectively two electrodes.
5, protection coaxial connector according to claim 3, it is characterized in that: the inner wire of described connector is divided into first conductor and second conductor, an one termination has jack, described coaxial configuration gas discharge tube two ends stretch out in intracardiac electrode insert described two jacks respectively as connection.
6, according to any described protection coaxial connector among the claim 1-4, it is characterized in that: described outer conductor by direct-axis to first section that connect to be provided with, end cap, and second section form; Described dielectric comprises first medium and second medium, lay respectively between described inner wire and described first section, the second section inner peripheral surface, wherein the centre bore of first dielectric is for a termination of inserting described inner wire, and another termination of this inner wire penetrates the centre bore of second dielectric.
7, protection coaxial connector according to claim 5 is characterized in that: described outer conductor by direct-axis to first section that connect to be provided with, end cap, and second section form; Described dielectric comprises first medium and second medium, lay respectively between first section, the second section inner peripheral surface of first conductor, second conductor and described outer conductor of described inner wire, another termination of wherein said first conductor penetrates the centre bore of first dielectric, and another termination of described second conductor penetrates the centre bore of second dielectric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200059336U CN2812338Y (en) | 2005-03-14 | 2005-03-14 | Protective coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200059336U CN2812338Y (en) | 2005-03-14 | 2005-03-14 | Protective coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2812338Y true CN2812338Y (en) | 2006-08-30 |
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ID=36938726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200059336U Expired - Fee Related CN2812338Y (en) | 2005-03-14 | 2005-03-14 | Protective coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2812338Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247854A (en) * | 2013-04-15 | 2013-08-14 | 中国电子科技集团公司第三十研究所 | Integrated electromagnetic pulse protection vehicle-mounted antenna |
| WO2014067272A1 (en) * | 2012-10-31 | 2014-05-08 | 华为技术有限公司 | Protective apparatus |
| CN104037552A (en) * | 2014-05-30 | 2014-09-10 | 中航光电科技股份有限公司 | Modular lightning protection connector |
-
2005
- 2005-03-14 CN CNU2005200059336U patent/CN2812338Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014067272A1 (en) * | 2012-10-31 | 2014-05-08 | 华为技术有限公司 | Protective apparatus |
| CN103795045A (en) * | 2012-10-31 | 2014-05-14 | 华为技术有限公司 | Protective device |
| CN103247854A (en) * | 2013-04-15 | 2013-08-14 | 中国电子科技集团公司第三十研究所 | Integrated electromagnetic pulse protection vehicle-mounted antenna |
| CN103247854B (en) * | 2013-04-15 | 2015-06-03 | 中国电子科技集团公司第三十研究所 | Integrated electromagnetic pulse protection vehicle-mounted antenna |
| CN104037552A (en) * | 2014-05-30 | 2014-09-10 | 中航光电科技股份有限公司 | Modular lightning protection connector |
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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 |