CN201081840Y - Hybrid type lightning arrester - Google Patents
Hybrid type lightning arrester Download PDFInfo
- Publication number
- CN201081840Y CN201081840Y CNU2008200304134U CN200820030413U CN201081840Y CN 201081840 Y CN201081840 Y CN 201081840Y CN U2008200304134 U CNU2008200304134 U CN U2008200304134U CN 200820030413 U CN200820030413 U CN 200820030413U CN 201081840 Y CN201081840 Y CN 201081840Y
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- China
- Prior art keywords
- short circuit
- wavelength
- short
- branch road
- discharge gas
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- Expired - Fee Related
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Abstract
The utility model provides a combined lightning arrester comprising a signal-through part and a lightning protection part having a 1/4 wavelength structural branch circuit and a discharging gas tube structural branch circuit; a short circuit housing (6), an internal short circuit cover insulator (13), a short circuit board (14), a gasket (15) and a short circuit board insulator (16) are connected orderly to form a capacitor; the 1/4 wavelength structural branch circuit consists of the capacitor, an short circuit pin body (7), a middle pin body (17) and an short circuit slot (8), which are connected orderly; the discharging gas tube consists of the short circuit pin body (7), a short circuit board (14), a gas tube (12), a rear pin body (10), a spring (11), and a short circuit cover (9); the 1/4 wavelength structural branch circuit and the discharging gas tube structural branch circuit form a serial structure via the short circuit board (14); the utility model is designed aiming at overcoming the shortcomings of the prior lightning arresting product having a 1/4 wavelength structure or a discharging gas tube structure.
Description
Technical field
The utility model relates to a kind of protective device technical field of overvoltage response, the lightning arrester that especially a kind of communication base station is used.
Background technology
Can discharge thunder and lightning or hold concurrently and can discharge power system operation overvoltage energy, the protection electrical equipment is avoided instantaneous overvoltage harm, can block afterflow again, the unlikely electric device that causes the system earth short circuit.The overvoltage protection device of electric equipment can be referred to as lightning arrester again, and lightning arrester is connected between live wire and the ground usually, and is in parallel with protected equipment.When overvoltage value reached specified action voltage, lightning arrester moved immediately, flow through electric charge, and the over-voltage amplitude is protected apparatus insulated; After magnitude of voltage was normal, lightning arrester restored to the original state rapidly again, to guarantee system's normal power supply.Lightning arrester generally can be divided into tubular type and valve formula two big classes, and valve type arrester is divided into carborundum lightning arrester and metal oxide arrester (claiming zinc oxide arrester again).
The employed lightning arrester in existing communication base station mainly contains 1/4 wavelength structure lightning arrester and discharge gas tubular construction lightning arrester.The product structure that is 1/4 wavelength structure separately is as figure (1), and this result's advantage is that through-put power is big, and three Jie's intermodulation are low, the antisurge impact capacity is stronger, can not provide DC power supply but shortcoming is a center conductor, electric energy is provided for other equipment, must design a circuit in addition electric energy is provided; Secondly the product structure that is the discharge gas pipe separately is as figure (2), its advantage is simple in structure, and cost is low, makes easy for installation, and inner wire can perfectly straight stream power supply, can supply other equipment electric energy, shortcoming is because the manufacture craft of discharge gas pipe is magnetic the electrode band of discharge gas pipe, influence three Jie's intermodulation, and because standing wave produces standing wave voltage, directly have influence on through-put power, the surge impact ability of this structure is lower in addition.
All there is weak point in the lightning arrester of existing single structure, and in use the lightning-arrest effect to communication base station has certain influence.
Summary of the invention
The technical problems to be solved in the utility model is: the center conductor of the lightning arrester of the lightning-arrest structure of single use 1/4 wavelength can not provide DC power supply, need circuit of design in addition to provide the lightning arrester of the problem of electric energy and single use discharge gas tubular construction because the manufacture craft of discharge gas pipe, the electrode band of discharge gas pipe is magnetic, influence three Jie's intermodulation, and because standing wave produces standing wave voltage, directly have influence on through-put power, in addition the lower problem of surge impact ability of this structure.The utility model provides a kind of lightning arrester of hybrid architecture.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of mixed type lightning arrester; have straight-through part of signal and lightning protection part; at lightning protection 1/4 wavelength branch road and flue branch road are arranged partly; two branch roads are connected in series; signal is when A end is transferred to B and holds in lightning arrester; 1/4 wavelength branch road plays blocking effect to high-frequency signal; be that signal can't be by the discharge gas pipe; when electric current during in the transmission of A and B two ends; when electric current reaches a certain amount of threshold voltage that surpasses the discharge gas pipe, can directly derive from the discharge gas pipe.
Be in turn connected to form an electric capacity by short circuit lid insulator, short board, packing ring, short board insulator in the chamber of lightning arrester, this electric capacity and short circuit needle body, middle needle body, short circuit jack connect and compose 1/4 wavelength branch road successively; Have short circuit needle body, short board, flue, back needle body, spring and short circuit lid to constitute the flue branch road, in the shell, female shell, the front casing at middle shell two ends are used for being connected with external apparatus interface in being fixed on after jack and the insulator crimping.1/4 λ branch road is connected with discharge gas pipe branch road, and during normal signal transmission, because 1/4 λ wavelength is an open circuit for characteristic frequency (high frequency), standing wave voltage does not influence the discharge gas pipe, so through-put power is not subjected to the influence of discharge gas tubing matter characteristic; When lightning impulse; because there is certain threshold voltage in the discharge gas pipe; and this discharge gas pipe can be selected the flue of different threshold voltages according to different needs; when voltage surpasses the threshold voltage of discharge gas pipe; inert gas in flue ionization conducting immediately release current, thus reach the effect of protection equipment.
The beneficial effects of the utility model are, of the present utility modelly can reach the high power transmission signal, middle inner wire can lead to the direct current that is lower than discharge gas pipe valve threshold voltage, and three Jie's intermodulation are low, and the utility model can change into N connector or other international interface according to the needs that use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the product structure schematic diagram of 1/4 wavelength structure;
Fig. 2 is a discharge gas tubular construction product structure schematic diagram;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is a fundamental diagram of the present utility model
Among the figure, 1. female shell, 2. insulator A, 3. jack, 4. insulator B, 5. in shell, 6. short circuit shell, 7. short circuit needle body, 8. short circuit jack, 9. short circuit lid, 10. needle body after, 11. springs, 12. flues, 13. short circuit lid insulator, 14. short boards, 15. packing rings, 16. the short board insulator, needle body in 17., 18. front casings.
Embodiment
As shown in FIG., female shell 1, insulator A2, jack 3, insulator B4 and front casing 18 constitute the straight-through part of signals, and the lightning protection part is made up of one 1/4 wavelength structure and discharge gas tubular construction.1/4 wavelength structure is in turn connected to form electric capacity by short circuit shell 6, internal short-circuit lid insulator 13, short board 14, packing ring 15, short board insulator 16, and electric capacity and short circuit needle body 7, middle needle body 17, short circuit jack 8 connect and compose.The discharge gas tubular construction is connected and composed by short circuit needle body 7, short board 14, flue 12, back needle body 10, spring 11 and short circuit lid 9.One 1/4 wavelength structure and discharge gas tubular construction form cascaded structures by short board 14.Signal and electric current are fixed on after jack 3 and the insulator A2 crimping in the middle shell 5 by jack 3 transmission, female shell 1 at middle shell 5 two ends, and front casing 18 is used for being connected with external apparatus interface.
Operation principle such as Fig. 4, signal is when A end is transferred to B and holds in lightning arrester, 1/4 wavelength branch road plays blocking effect to high-frequency signal, be that signal can't be by the discharge gas pipe, when electric current during in the transmission of A and B two ends, when electric current reaches a certain amount of threshold voltage that surpasses the discharge gas pipe, can directly derive from the discharge gas pipe.
Claims (2)
1. a mixed type lightning arrester has straight-through part of signal and lightning protection part, and it is characterized in that: be provided with 1/4 wavelength structure branch road and discharge gas tubular construction branch road in the lightning protection part, 1/4 wavelength structure branch road is connected with discharge gas tubular construction branch road.
2. a kind of mixed type lightning arrester according to claim 1, it is characterized in that: described 1/4 wavelength props up route electric capacity and short circuit needle body (7), middle needle body (17) and short circuit jack (8) connect and compose successively, and described electric capacity connects and composes successively by connecting short circuit shell (6), internal short-circuit lid insulator (13), short board (14), packing ring (15) and short board insulator (16) successively; Described discharge gas pipe props up route short circuit needle body (7), short board (14), flue (12), back needle body (10), spring (11) and short circuit lid (9) and connects and composes successively; 1/4 wavelength branch road is connected by short board (14) with the flue branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200304134U CN201081840Y (en) | 2008-01-03 | 2008-01-03 | Hybrid type lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200304134U CN201081840Y (en) | 2008-01-03 | 2008-01-03 | Hybrid type lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201081840Y true CN201081840Y (en) | 2008-07-02 |
Family
ID=39615495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200304134U Expired - Fee Related CN201081840Y (en) | 2008-01-03 | 2008-01-03 | Hybrid type lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201081840Y (en) |
-
2008
- 2008-01-03 CN CNU2008200304134U patent/CN201081840Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20120103 |