CN100561820C - Decoupling anti-lightning circuit and lightning protection connecting terminal - Google Patents
Decoupling anti-lightning circuit and lightning protection connecting terminal Download PDFInfo
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- CN100561820C CN100561820C CNB2006100635363A CN200610063536A CN100561820C CN 100561820 C CN100561820 C CN 100561820C CN B2006100635363 A CNB2006100635363 A CN B2006100635363A CN 200610063536 A CN200610063536 A CN 200610063536A CN 100561820 C CN100561820 C CN 100561820C
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- lightning protection
- electric conductor
- protection unit
- magnet ring
- decoupling
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Abstract
The present invention relates to a kind of decoupling anti-lightning circuit and lightning protection connecting terminal.This lightning protection circuit comprises that two-stage at least is linked into the lightning protection unit on the electric conductor of main circuit, is provided with the decoupling unit between adjacent lightning protection unit, and the decoupling unit is at least one magnet ring, and magnet ring is set in the periphery of the electric conductor between the two-stage lightning protection unit.This binding post comprises binding post main body and the separable lightning protection device that is connected on the binding post main body.The incoming line that the binding post main body comprises insulation crust, be provided with respectively at the two ends of insulation crust is with line outlet and connect the electric conductor that is connected incoming line and line outlet.Lightning protection device can use above-mentioned decoupling anti-lightning circuit.Be set in the magnet ring of electric conductor periphery by use, when lightning protection unit is worked, can realize the decoupling between the two-stage lightning protection unit effectively, the decoupling magnet ring need not to be electrically connected with electric conductor, has reduced electric connecting point, has improved the reliability of circuit.
Description
Technical field
The present invention relates to lightning protection device, more particularly, the lightning protection connecting terminal that relates to a kind of decoupling anti-lightning circuit and use this lightning protection circuit.
Background technology
Thunder and lightning is the recurrent a kind of physical phenomenon of nature, typically refer to the electric discharge phenomena of charged cloud layer to the earth, if electronic equipment is struck by lightning, its inner circuit can produce overvoltage or the overcurrent of moment, light then influence the performance of electronic equipment, serious meeting causes expendable damage to electronic equipment.Therefore, when electronic device design, all can adopt the lightning Protection Design technology usually, to reduce the influence of thunder and lightning to electronic equipment.
In order to reach good lightning protection effect, generally to design two-stage or more multistage lightning protection unit, thunder and lightning to ground, is guaranteed the safety of protected equipment by the bleed off of one-level one-level.In order to guarantee that protection at different levels can discharge effectively, should install decoupler additional between every two-stage lightning protection unit.
Present decoupler has two kinds substantially, and a kind of inductive type coil that is to use the copper cash coiled, another kind are pure resistance (for example fixed carbon resister, metalfilmresistors etc.).In use, decoupler directly need be concatenated in the circuit, the operating current of circuit flows through decoupler, and therefore, decoupler must satisfy the requirement of operating current in the main circuit.There is following shortcoming at least in the decoupler of this structure: 1, the selection of decoupler must be satisfied the bearing power requirement, i.e. maximum operating currenbt requirement, if after lightening protection engineering is implemented, load increases, and decoupler also should be changed.2, decoupler is the device that is added in the circuit, has increased electric connecting point, has also promptly increased electric fault hidden danger.3, the quality of decoupler itself has very big influence to main circuit, when the higher circuit performance of needs, need select high-quality decoupler for use, increases cost.
Along with the continuous development of communications network system, the use of the binding post of communication equipment more and more widely.Because be subjected to the restriction of the size of rack, the size of binding post is generally standard size, particularly the dimensional requirement of thickness is relatively stricter.In addition, the electric property of binding post is also had relatively high expectations.Often need to add lightning protection circuit, to guarantee its operate as normal.Present lightning protection connecting terminal adopts the integral type design mostly, and lightning protection circuit is built in the binding post.Thereby, make that the size of binding post is bigger, increased its design difficulty.Simultaneously in order to reach good lightning protection effect, often need two-stage or more multistage lightning protection unit, thereby need between the two-stage lightning protection unit, decoupler be set, this decoupler generally adopts the inductive type coil or goes out resistance etc., be serially connected on the circuit of binding post, increase electric connecting point, thereby increased the hidden danger of electric fault.
Summary of the invention
The technical problem to be solved in the present invention is, at the defective of the above-mentioned lightning protection circuit of prior art, provide a kind of can reduce electric connecting point, simple in structure, effectively realize the lightning protection circuit of the decoupling between the lightning protection unit.
Another technical problem to be solved by this invention is, at the defective of the lightning protection connecting terminal of prior art, provide a kind of can reduce electric connecting point, separate type, effectively realize the lightning protection connecting terminal of the decoupling between the lightning protection unit.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of decoupling anti-lightning circuit that is used for main circuit, comprise the lightning protection unit of two-stage at least, described lightning protection unit is linked on the electric conductor of main circuit; Be provided with the decoupling unit between the described lightning protection unit of adjacent two-stage, described decoupling unit is at least one magnet ring, and described magnet ring is set in the periphery of the electric conductor between the described two-stage lightning protection unit.
Preferably, described magnet ring is high-intensity magnet ring.
Preferably, described electric conductor is conducting strip that exposes or the conducting strip with insulating protective layer; When lightning protection unit was worked, described magnet ring produced the impedance inductance on described electric conductor.
The present invention solves the technical scheme that its another technical problem adopts: construct a kind of lightning protection connecting terminal, comprise binding post main body and the separable lightning protection device that is connected on the described binding post main body; It is characterized in that the incoming line that described binding post main body comprises insulation crust, be provided with respectively at the two ends of described insulation crust is with line outlet and connect the electric conductor that is connected described incoming line and line outlet; Described lightning protection device is the lightning protection unit of two-stage at least, and described lightning protection unit is connected in parallel on the described electric conductor; Be provided with the decoupling unit between described lightning protection unit, described decoupling unit is at least one magnet ring that is set in the periphery of one section described electric conductor between the described lightning protection unit.
Preferably, described lightning protection device comprises insulation lightning protection device shell; Described lightning protection unit comprises first order lightning protection unit and the second level lightning protection unit that is arranged in the described lightning protection device shell; First order lightning protection unit and second level lightning protection unit provide a connecting terminal respectively in the both sides of described lightning protection device shell, and a shared earthing contact that passes described lightning protection device outer casing bottom.
Preferably, the connecting terminal of described lightning protection unit is connected with described electric conductor conduction by the screw wire clamp.
Preferably, described binding post main body top is provided with conducting strip, and described conducting strip is fixed on the shell of described binding post by contact screw, and the bottom ground connection of described contact screw; Described earthing contact is a resilient contact, contacts with described conducting strip conduction.
Preferably, described electric conductor is the sheet electric conductor, comprises horizontal part that is arranged on both sides and the vertical component effect that is provided with in the position that described contact screw passes through; Described vertical component effect parallels with described contact screw.
Preferably, the outer casing underpart of described binding post main body is provided with the metal junction button, and described contact screw is locked described metal junction button, and conduction connects described metal junction button ground connection.
Preferably, described magnet ring is high-intensity magnet ring; Described electric conductor is conducting strip that exposes or the conducting strip with insulating protective layer; When lightning protection unit was worked, described magnet ring produced the impedance inductance on described electric conductor.
Implement decoupling anti-lightning circuit of the present invention and lightning protection connecting terminal, has following beneficial effect: the magnet ring that is set in the electric conductor periphery by use, when lightning protection unit is worked, can realize the decoupling between the two-stage lightning protection unit effectively, the decoupling magnet ring need not to be electrically connected with electric conductor, reduce electric connecting point, improved the reliability of circuit.And lightning protection device is that separate type is connected with the binding post main body, need not to change the size of binding post main body, makes things convenient for the design of binding post main body, has reduced design difficulty.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic diagram of decoupling anti-lightning circuit of the present invention;
Fig. 2 is the part cross-sectional schematic of lightning protection connecting terminal of the present invention;
Fig. 3 is the schematic perspective view of lightning protection connecting terminal of the present invention;
Fig. 4 is the schematic perspective view of the electric conductor of lightning protection connecting terminal of the present invention.
Embodiment
As shown in Figure 1, an embodiment of decoupling anti-lightning circuit of the present invention, it comprises the lightning protection unit 11 of two-stage.Described lightning protection unit 11 is parallel-connected on the main circuit electric conductor 12 of (figure does not show), thereby realizes the secondary lightning protection.Decoupling unit 13 is set between two-stage lightning protection unit 11, and this decoupling unit 13 is a magnet ring.Described magnet ring is set in the periphery of the electric conductor 12 between the described two-stage lightning protection unit 11.When being struck by lightning, when electricity was rushed down in lightning protection unit 11 work, described magnet ring produced inductance on described electric conductor 12, thereby plays the decoupling effect, makes two-stage lightning protection unit 11 can be good at rushing down.Described lightning protection unit 11 can select for use existing lightning protection circuit to realize.
Described electric conductor 12 adopts exposed conducting strip, can certainly be the conducting strip that is enclosed with insulating protective layer at skin, conductor wire etc.Described magnet ring is selected high-intensity magnet ring for use, and during work, described magnet ring can produce impedance on electric conductor 12, thereby plays the decoupling effect.Certainly, the intensity of magnet ring, and the impedance that produces can be matched according to the needs of different main circuits; Also can dispose one, two, three or more magnet ring as required.The progression of lightning protection unit 11 also can be configured according to the needs of actual main circuit, for example disposes three grades, level Four or more multistage lightning protection unit 11, and between every two-stage lightning protection unit 11 the decoupling magnet ring is set, and guarantees the operate as normal of lightning protection unit 11.
To shown in Figure 4, is an embodiment of lightning protection connecting terminal of the present invention as Fig. 2, and it comprises binding post main body 20 and the separable lightning protection device 30 that is connected on the described binding post main body 20.Described binding post main body 20 can single connection jaws 26, double connection jaws 26, in the present embodiment, with single connection jaws 26 is that example describes, and the form of double connection jaws 26 can design realization by the layout in the conversion binding post main body 20, so do not give unnecessary details.
The incoming line 22 that described binding post main body 20 comprises insulation crust 21, be provided with respectively at the two ends of described insulation crust 21 is with line outlet 23 and connect the electric conductor 24 that is connected described incoming line 22 and line outlet 23.Described incoming line 22 is used to be connected extraneous cable with line outlet 23, and connects by electric conductor 24.The bottom of described binding post main body 20 also is provided with metal junction button 25, is used for whole binding post fixed card is located at mounting groove position 40, and provides earth terminal by metal junction button 25.
Described lightning protection device 30 comprises the lightning protection unit of two-stage at least, and described lightning protection unit is connected in parallel on the described electric conductor 24, is used for rushing down step by step electricity, plays lightning protection effect.Described lightning protection unit can select for use existing lightning protection circuit to realize.In order to guarantee the operate as normal of each grade lightning protection unit, between every two-stage lightning protection unit, decoupling unit 39 is set, described decoupling unit 39 is at least one magnet ring that is set in the periphery of one section described electric conductor 24 between the described lightning protection unit.In the present embodiment, described electric conductor 24 adopts exposed conducting strip, can certainly be the conducting strip that is enclosed with insulating protective layer at skin, conductor wire etc.Described magnet ring is selected high-intensity magnet ring for use, and during work, described magnet ring can produce impedance on electric conductor 24, play the decoupling effect.Certainly, the intensity of magnet ring, and the impedance that produces can be matched according to the needs of different main circuits; Also can dispose one, two, three or more magnet ring as required.The progression of lightning protection unit also can be configured according to the needs of actual main circuit, for example disposes three grades, level Four or more multistage lightning protection unit, and between every two-stage lightning protection unit the decoupling magnet ring is set, and guarantees the operate as normal of lightning protection unit.
In the present embodiment, described lightning protection device 30 comprises insulation lightning protection device shell 31 and lightning protection unit.Described lightning protection unit comprises first order lightning protection unit and the second level lightning protection unit that is arranged in the described lightning protection device shell 31.First order lightning protection unit and second level lightning protection unit provide a connecting terminal 34 respectively in the both sides of described lightning protection device shell 31, and a shared earthing contact 35 that passes described lightning protection device shell 31 bottoms.The shell 21 of described binding post provides two connection jaws 26, conducts electricity with described electric conductor 24 with wire clamp 37 by screw 36 for the connecting terminal 34 of described lightning protection unit to be connected.Described wire clamp 37 is placed in the shell 21 of binding post, when lightning protection device 30 is installed, screw 36 is passed connecting terminal 34, and screw 36 is locked on the described wire clamp 37, thereby whole lightning protection device 30 is fixedly mounted on the binding post main body 20.And be electrically connected with described electric conductor 24 by screw 36 and wire clamp 37, lightning protection unit is connected in parallel on the described electric conductor 24.When needs tests binding post, can unclamp described screw 36 and pull down lightning protection device 30, utilize testing tool to be inserted in the connection jaws 26 of binding post and test.For the test of binding post provides convenience.
In the present embodiment, described binding post main body 20 tops are provided with conducting strip 27, and described conducting strip 27 is fixed on the shell 21 of described binding post by contact screw 36, and the bottom ground connection of described contact screw 36, thereby provide earth terminal for lightning protection unit.The corresponding breach that inserts for described earthing contact 35 that offers on the shell 21 of described binding post.Described earthing contact 35 is a resilient contact, contacts with described conducting strip conduction.
As shown in Figure 4, in order to make contact screw 36 can directly run through described binding post main body 20, described electric conductor 24 is designed to sheet electric conductor 24.It comprises horizontal part 241 that is arranged on both sides and the vertical component effect 242 that is provided with in the position that described contact screw 36 passes through.Described vertical component effect 242 parallels with described contact screw 36, thereby plays the effect of stepping down for contact screw 36, thereby can use contact screw 38 directly conducting strip to be fixed, and ground connection.Described horizontal part 241 is provided with the screw wire clamp, thereby the cable that inserts is clamped.Further, described horizontal part 241 downside surfaces are provided with indenture 243, to increase the friction to the cable that inserts.
Claims (10)
1, a kind of decoupling anti-lightning circuit that is used for main circuit comprises the lightning protection unit of two-stage at least, and described lightning protection unit is linked on the electric conductor of main circuit; It is characterized in that be provided with the decoupling unit between the described lightning protection unit of adjacent two-stage, described decoupling unit is at least one magnet ring, described magnet ring is set in the periphery of the described electric conductor between the described two-stage lightning protection unit; When lightning protection unit was worked, described magnet ring produced the impedance inductance on described electric conductor.
2, decoupling anti-lightning circuit according to claim 1 is characterized in that, described magnet ring is high-intensity magnet ring.
3, decoupling anti-lightning circuit according to claim 1 and 2 is characterized in that, described electric conductor is conducting strip that exposes or the conducting strip with insulating protective layer.
4, a kind of lightning protection connecting terminal comprises binding post main body and the separable lightning protection device that is connected on the described binding post main body; It is characterized in that the incoming line that described binding post main body comprises insulation crust, be provided with respectively at the two ends of described insulation crust is with line outlet and connect the electric conductor that is connected described incoming line and line outlet; Described lightning protection device comprises the lightning protection unit of two-stage at least, and described lightning protection unit is connected in parallel on the described electric conductor; Be provided with the decoupling unit between described lightning protection unit, described decoupling unit is at least one magnet ring that is set in the periphery of one section described electric conductor between the described lightning protection unit; When lightning protection unit was worked, described magnet ring produced the impedance inductance on described electric conductor.
5, lightning protection connecting terminal according to claim 4 is characterized in that, described lightning protection device comprises insulation lightning protection device shell; Described lightning protection unit comprises first order lightning protection unit and the second level lightning protection unit that is arranged in the described lightning protection device shell; First order lightning protection unit and second level lightning protection unit provide a connecting terminal respectively in the both sides of described lightning protection device shell, and a shared earthing contact that passes described lightning protection device outer casing bottom.
6, lightning protection connecting terminal according to claim 5 is characterized in that, the connecting terminal of described lightning protection unit is connected with described electric conductor conduction by the screw wire clamp.
According to claim 5 or 6 described lightning protection connecting terminals, it is characterized in that 7, described binding post main body top is provided with conducting strip, described conducting strip is fixed on the described insulation crust by contact screw, and the bottom ground connection of described contact screw; Described earthing contact is a resilient contact, contacts with described conducting strip conduction.
8, lightning protection connecting terminal according to claim 7 is characterized in that, described electric conductor is the sheet electric conductor, comprises horizontal part that is arranged on both sides and the vertical component effect that is provided with in the position that described contact screw passes through; Described vertical component effect parallels with described contact screw.
9, lightning protection connecting terminal according to claim 7 is characterized in that, described insulation crust bottom is provided with the metal junction button, and described contact screw is locked described metal junction button, and conduction connects described metal junction button ground connection.
According to claim 5 or 6 described lightning protection connecting terminals, it is characterized in that 10, described magnet ring is high-intensity magnet ring; Described electric conductor is conducting strip that exposes or the conducting strip with insulating protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100635363A CN100561820C (en) | 2006-11-07 | 2006-11-07 | Decoupling anti-lightning circuit and lightning protection connecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100635363A CN100561820C (en) | 2006-11-07 | 2006-11-07 | Decoupling anti-lightning circuit and lightning protection connecting terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101179194A CN101179194A (en) | 2008-05-14 |
| CN100561820C true CN100561820C (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100635363A Expired - Fee Related CN100561820C (en) | 2006-11-07 | 2006-11-07 | Decoupling anti-lightning circuit and lightning protection connecting terminal |
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| CN (1) | CN100561820C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714231A1 (en) * | 1993-12-20 | 1995-06-23 | France Telecom | Overvoltage protection device for electric lines |
| EP0806826A2 (en) * | 1996-05-07 | 1997-11-12 | Felten & Guilleaume Austria Ag | Decoupling element for overvoltage protection circuit |
| CN1295362A (en) * | 1999-11-03 | 2001-05-16 | 杨泰和 | Plug and socket for conformal electromagnetic noise signal inhibitor |
| CN2481036Y (en) * | 2001-05-08 | 2002-03-06 | 四川省中光高技术研究所 | Composite large load and current power source lightning protector |
| CN1549416A (en) * | 2003-05-10 | 2004-11-24 | 华为技术有限公司 | Thunder proof protective circuit for Ethernet interface |
| CN2737046Y (en) * | 2004-09-17 | 2005-10-26 | 上海伊莱克斯实业有限公司 | Lightning and electric surge proof protector for communication signals |
-
2006
- 2006-11-07 CN CNB2006100635363A patent/CN100561820C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714231A1 (en) * | 1993-12-20 | 1995-06-23 | France Telecom | Overvoltage protection device for electric lines |
| EP0806826A2 (en) * | 1996-05-07 | 1997-11-12 | Felten & Guilleaume Austria Ag | Decoupling element for overvoltage protection circuit |
| CN1295362A (en) * | 1999-11-03 | 2001-05-16 | 杨泰和 | Plug and socket for conformal electromagnetic noise signal inhibitor |
| CN2481036Y (en) * | 2001-05-08 | 2002-03-06 | 四川省中光高技术研究所 | Composite large load and current power source lightning protector |
| CN1549416A (en) * | 2003-05-10 | 2004-11-24 | 华为技术有限公司 | Thunder proof protective circuit for Ethernet interface |
| CN2737046Y (en) * | 2004-09-17 | 2005-10-26 | 上海伊莱克斯实业有限公司 | Lightning and electric surge proof protector for communication signals |
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| Publication number | Publication date |
|---|---|
| CN101179194A (en) | 2008-05-14 |
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