CN106026064B

CN106026064B - A kind of bridge architecture multilayer gap-type surge protector

Info

Publication number: CN106026064B
Application number: CN201610585738.8A
Authority: CN
Inventors: 雷成勇; 代德志; 阮建中; 杨国华
Original assignee: SICHUAN ZHONGGUANG LIGHTNING PROTECTION TECHNOLOGIES Co Ltd
Current assignee: SICHUAN ZHONGGUANG LIGHTNING PROTECTION TECHNOLOGIES Co Ltd
Priority date: 2016-07-22
Filing date: 2016-07-22
Publication date: 2018-07-03
Anticipated expiration: 2036-07-22
Also published as: CN106026064A

Abstract

The invention discloses a kind of bridge architecture multilayer gap-type surge protector, including：First terminal, Second terminal, third terminal, n discharge gap Gn, m discharge gap G ' m, 1 trigger circuit Z (n 1) of n, 1 trigger circuit Z ' (m 1) of m, wherein, the second electrode of i-th of discharge gap in discharge gap Gn is connect with the second electrode of j-th of discharge gap in discharge gap G ' m, the second end of i-th trigger circuit in trigger circuit Z (n 1) is connect with the second end of the j-th strip trigger circuit in trigger circuit Z ' (m 1), wherein, n >=2, m >=2, 1≤i ＜ n, 1≤j ＜ m, and n, m, i, j is integer.

Description

A kind of bridge architecture multilayer gap-type surge protector

Technical field

The present invention relates to surge protector field, more particularly to a kind of bridge architecture multilayer gap-type surge protector.

Background technology

With the continuous development of lightning protection industry, surge protector (surge protective devices, SPD) from Single protected mode moves towards more protected modes.Such as：Single phase industrial frequence AC line protection pattern has：Circuit L (phase line) and circuit N Protection between protection, circuit L (phase line) and circuit PE (ground wire) and circuit N (neutral conductor) and circuit between (neutral conductor) Protection between PE (ground wire)；In another example：Three-phase main-frequency ac power supply system circuit, protected mode have：Circuit L1 (phase line) with The protection between protection, circuit L2 (phase line) and circuit N (neutral conductor), circuit L3 (phase line) between circuit N (neutral conductor) with The protection between protection and circuit N (neutral conductor) and circuit PE (ground wire) between circuit N (neutral conductor)；Again for example：Direct current Electric power system circuit, protected mode have：Protection, line between circuit DC+ (direct-flow positive pole line) and circuit DC- (direct current negative line) Protection, circuit DC- (direct current negative line) between road DC+ (direct-flow positive pole line) and circuit PE (ground wire) and circuit PE (ground wire) it Between protection；Also for example：Signal line, protected mode have：Protection between circuit L1 (signal wire) and circuit L2 (signal wire), The guarantor between protection, circuit L2 (signal wire) and circuit PE (ground wire) between circuit L2 (signal wire) and circuit PE (ground wire) Shield.

The Protection Scheme for Transmission Line of existing more protected modes is as shown in figure 11：It is more that this sentences single phase industrial frequence ac power supply system Pattern protection for, L-N protected modes are protected by first group of multilayer clearance surge protector SPD1, N-PE protected modes by Second group of multilayer clearance surge protector SPD2 is protected, and L-PE protected modes are protected by first group of multilayer clearance surge Device and second group of multilayer clearance surge protector tandem compound are protected for SPD3 (SPD1-SPD2), and mould is protected for L-PE Formula：SPD3 is equivalent to the tandem compound of SPD1 and SPD2, then the quantity of discharge gap is putting for SPD1, SPD2 in L-PE protected modes The sum of electric gap layer number, and the more blind spot values of the discharge gap number of plies are higher, so that the poor electrical performance of surge protector.

Invention content

In order to solve the above technical problems, the present invention provides a kind of bridge architecture multilayer gap-type surge protector, including：The One terminal, Second terminal, third terminal；

N discharge gap Gn, the n discharge gap Gn are sequentially connected in series between the first terminal and the Second terminal；m A discharge gap G ' m, the m discharge gap G ' m are sequentially connected in series between the Second terminal and the third terminal；The n The second electrode of i-th of discharge gap in discharge gap Gn and the second electrode of j-th of discharge gap in the m discharge gap G ' m Connection；

N-1 trigger circuit Z (n-1), the first end of each circuit of the n-1 trigger circuit respectively with it is corresponding Common end connection between the n discharge gap, the second end of each trigger circuit in the n-1 trigger circuit with Second terminal connects；M-1 trigger circuit Z ' (m-1), the first end of each circuit of the m-1 trigger circuit respectively with Common end between the corresponding m discharge gap connects, and second of each trigger circuit in the m-1 trigger circuit End is connect with Second terminal；The second end of i-th trigger circuit in the n-1 trigger circuit Z (n-1) and the m-1 The second end connection of j-th strip trigger circuit in trigger circuit Z ' (m-1)；

N >=2, m >=2,1≤i ＜ n, 1≤j ＜ m, and n, m, i, j are integer.

Another bridge architecture multilayer gap-type surge protector, which is characterized in that including：

First terminal, Second terminal, third terminal；

N discharge gap Gn, the n discharge gap Gn are sequentially connected in series between the first terminal and the Second terminal；m A discharge gap G ' m, the m discharge gap G ' m are sequentially connected in series between the Second terminal and the third terminal；The n The second electrode of i-th of discharge gap in discharge gap Gn and the second electrode of j-th of discharge gap in the m discharge gap G ' m It is connected by conducting wire；

N-1 trigger circuit Z (n-1), the first end of each circuit of the n-1 trigger circuit respectively with it is corresponding Common end connection between the n discharge gap, the second end of each trigger circuit in the n-1 trigger circuit with Second terminal connects；M-1 trigger circuit Z ' (m-1), the first end of each circuit of the m-1 trigger circuit respectively with Common end between the corresponding m discharge gap connects, and second of each trigger circuit in the m-1 trigger circuit End is connect with third terminal；The first of the i each trigger circuit of trigger circuit Z " i, the i trigger circuit Z " in i End is connect respectively with the 1st in the n discharge gap to the common end between i+1 discharge gap, in the i trigger circuit The second end of each trigger circuit connect with third terminal；

N >=2, m >=2,1≤i ＜ n, 1≤j ＜ m, and n, m, i, j are integer.

Preferably, the trigger circuit is at least capacitor, resistor, resistance-capacitance device, piezoresistor, inductor, temperature-sensitive One kind in resistor, transient diode or gas-discharge tube combination, the resistance-capacitance device are formed by resistance is in parallel with capacitor.

Further, the bridge architecture multilayer gap-type surge protector further includes indicating circuit, the indicating circuit One end is connect with the first terminal, and the other end is connect with the Second terminal.

Further, the bridge architecture multilayer gap-type surge protector further includes first fuse, wherein, it is described molten The second electrode for i-th of discharge gap that disconnected device is connected in the n discharge gap Gn is put with j-th in the m discharge gap G ' m Between the second electrode of electric gap.

Further, the bridge architecture multilayer gap-type surge protector further includes second fuse, wherein, described Two fuses are connected between common end and the third terminal of the trigger circuit Zi ".

Preferably, the capacitance of the capacitor is 50pF~3nF, and withstanding voltage is 100V~10kV, the n electric discharge Each discharge gap of gap Gn and the m discharge gap G ' m are graphic discharge gap.Further, it is set between graphic discharge gap Insulating annular gasket is equipped with, specifically, the thickness of the insulating annular gasket is 0.1~0.7 millimeter.Preferably, insulating annular Gasket is made of a kind of material in polytetrafluoroethylene (PTFE), rubber, nylon, mica or Du Pont's paper.

Advantageous effect：

Bridge architecture multilayer gap-type surge protector of the present invention is protected applied to the circuit under more protected modes Shield.Such as：Single phase industrial frequence alternating current circuit is protected using bridge architecture multilayer gap-type surge protector provided by the invention Shield, protected mode have L-N protected modes, N-PE protected modes, L-PE protected modes, choose any one protected mode (example Such as L-PE protected modes) be not provided with discharge gap and trigger circuit, but by by the preceding i discharge gap under L-N protected modes with + 1 discharge gap of rear jth to m-th of discharge gap under N-PE protected modes forms its discharge gap, by the preceding i under L-N protected modes Article trigger circuit forms its trigger circuit with+1 article of trigger circuit of rear jth to the m-1 articles trigger circuit under N-PE protected modes, Wherein all circuit elements, which are placed on, forms a SPD in a shell, it can be achieved that route protection under more protected modes.

It can be seen that the present invention has following advantage：

1st, the discharge gap number of plies of bridge architecture multilayer gap-type surge protector of the invention is protected less than existing scheme by L-N The quantity that all discharge gaps of shield pattern and N-PE protected modes are together in series, therefore the blind spot of this surge protector reduces, therefore The electrical property of the surge protector of the present invention is more preferable.

2nd, it is also an advantage of the present invention that partial discharge gap and trigger circuit different protected modes surge protection process Middle work, i.e. surge protector internal components can be reused, therefore devices use rate higher.

3rd, bridge architecture multilayer gap-type surge protector of the invention need to only change first terminal-Second terminal protection mould The connection relation in formula gap corresponding with Second terminal-third terminal protected mode discharge gap, you can change first terminal-third end The quantity of discharge gap and trigger circuit under sub- protected mode due to only changing the position relationship of connecting component, does not increase and decrease Device, therefore shell mechanism will not be caused to vary widely, therefore the present invention changes gap than existing multilayer gap-type surge protector Quantity is more flexible, so as to change afterflow value.

Description of the drawings

Fig. 1 is the basic electrical schematic diagram of the present invention；

Fig. 2 is the 1st kind of embodiment electrical schematic diagram of the invention；

Fig. 3 is the basic electrical schematic diagram of another kind of the present invention；

Fig. 4 is the 1st kind of embodiment electrical schematic diagram of another circuit of the present invention；

Fig. 5 is the 2nd kind of embodiment electrical schematic diagram of another circuit of the present invention；

Fig. 6 is the 3rd kind of embodiment electrical schematic diagram of another circuit of the present invention；

Fig. 7 is the 4th kind of embodiment electrical schematic diagram of another circuit of the present invention；

Fig. 8 is the 5th kind of embodiment electrical schematic diagram of another circuit of the present invention；

Fig. 9 is the 6th kind of embodiment electrical schematic diagram of another circuit of the present invention；

Figure 10 is the 7th kind of embodiment electrical schematic diagram of another circuit of the present invention；

Figure 11 is the arrangements figure of existing single phase industrial frequence alternating current circuit；

Figure 12 is the part trigger circuit figure of another circuit of the present invention.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes.A kind of basic circuit structure such as Fig. 1 institutes of bridge architecture multilayer discharging gap surge protector of the present invention Show.Including first terminal, Second terminal, third terminal, it is used to connect protected direct current or alternating current circuit；

N discharge gap Gn (n=1,2 ..., n), n discharge gap G1~Gn are sequentially connected in series in first terminal and Second terminal Between for protecting the electronic equipment being connected to outside first terminal and Second terminal, m discharge gap G ' m (m=1,2 ..., m), M discharge gap 1~G ' of G ' m is sequentially connected in series between Second terminal and third terminal, and Second terminal and the is connected to for protecting The electronic equipment of three terminal outers；The second electrode of i-th of discharge gap in the n discharge gap G1~Gn is put with the m The second electrode of j-th of discharge gap in 1~G ' of electric gap G ' m is connected by the first conducting wire；

The 1st discharge gap to i-th of discharge gap (G1~Gi) and m in n discharge gap Gn (n=1,2 ..., n) is discharged + 1 discharge gap of jth to m-th of discharge gap (G ' j+1~G ' m) in gap G ' m (1~G ' of G ' m) forms r G " r (G1~Gi, G ' J+1~G ' m) discharge gaps are connected to first terminal and the electronic equipment outside third terminal for protecting；

The first end of each trigger circuit in n-1 trigger circuit Z1~Z (n-1) is a with the corresponding n respectively Common end between discharge gap neighbouring discharge gap connects, each triggering electricity in the n-1 trigger circuit Z1~Z (n-1) The second end on road is connect with Second terminal, is respectively used to trigger the 1st to the (n-1)th discharge gap in the discharge gap Gn and is moved Make；

The first end of each trigger circuit in m-1 1~Z ' of trigger circuit Z ' (m-1) respectively with the corresponding m Common end between a discharge gap neighbouring discharge gap connects, and each in 1~Z ' of the m-1 trigger circuit Z ' (m-1) is touched The second end of Power Generation Road is connect with Second terminal, is respectively used to trigger the 2nd to m-th discharge gap in the discharge gap G ' m Action；

The second end of i-th trigger circuit in n-1 trigger circuit Z1~Z (n-1) and the m-1 trigger circuit Z ' The second end of j-th strip trigger circuit in 1~Z ' (m-1) is connected by the second conducting wire；

The 1st article of trigger circuit is electric with triggering to i-th article of trigger circuit (Z1~Zi) in n-1 articles of trigger circuit Z1~Z (n-1) J-th strip trigger circuit to the m-1 articles trigger circuit is composed in series r-1 articles of trigger circuit z " (r-1) in road (1~Z ' of Z ' (m-1)) (Z1~Zi, Z ' j~Z ' (m-1)) is for triggering G " r (G1~Gi, G ' (j+1)~G ' m) discharge gap；

It should be pointed out that above-mentioned i and j can be the same or different；N >=2, m >=2,1≤i ＜ n, 1≤j ＜ M, 1≤r ＜ m, and n, m, i, j, r are integer.

Basic circuit structure such as Fig. 3 institutes of another kind bridge architecture multilayer discharging gap surge protector of the present invention Show.Including：N discharge gap Gn (n=1,2 ..., n), n discharge gap G1~Gn are sequentially connected in series in first terminal and Second terminal Between, it is connected to first terminal and the electronic equipment outside Second terminal for protecting；M discharge gap G ' m (m=1,2 ..., M), m discharge gap 1~G ' of G ' m is sequentially connected in series between Second terminal and third terminal, for protect be connected to Second terminal with Electronic equipment outside third terminal；

The in the second electrode of i-th of discharge gap in n discharge gap G1~Gn and m discharge gap 1~G ' of the G ' m The second electrode of j discharge gap is connected by conducting wire；The 1st discharge gap in n discharge gap Gn (n=1,2 ..., n) is to jth + 1 discharge gap of jth in a discharge gap (G1~Gj) and m discharge gap G ' m (m=1,2 ..., m) is to m-th of discharge gap (G ' j + 1~G ' m) forms r G " r, and (G1~Gi, G ' j+1~G ' m) discharge gaps are connected to first terminal and third terminal for protecting External electronic equipment；

The first end of each trigger circuit in n-1 trigger circuit Z1~Z (n-1) is a with the corresponding n respectively Common end between discharge gap neighbouring discharge gap connects, each trigger circuit in n-1 trigger circuit Z1~Z (n-1) Second end is connect with Second terminal, is respectively used to trigger the 1st to the (n-1)th discharge gap action in the discharge gap Gn；m-1 The first end of each trigger circuit in 1~Z ' of trigger circuit Z ' (m-1) is adjacent with the corresponding m discharge gap respectively Common end between discharge gap connects, and the second end of each trigger circuit in m-1 1~Z ' of trigger circuit Z ' (m-1) is equal It is connect with third terminal, is respectively used to trigger the 1st to the m-1 discharge gap action in the discharge gap G ' m；I items triggering electricity The first end of each trigger circuit in road Z " 1~Z " i, k trigger circuit Z " 1~Z " i is discharged respectively with described n The 1st of gap to the common end between i+1 discharge gap connects, each triggering in i trigger circuit Z " 1~Z " i The second end of circuit is connect with third terminal.

I articles of trigger circuit Z " 1~Z " i and j-th strip trigger circuit in trigger circuit (1~Z ' of Z ' (m-1)) are touched to the m-1 articles Power Generation Road is composed in series r-1 trigger circuit z " (r-1) (Z " 1~Z " i, Z ' j~Z ' (m-1)) for trigger G " r (G1~Gi, G ' (j+1)~G ' (m-1)) discharge gap；

It is pointed out here that discharge gap is graphic discharge gap in example 1 below-embodiment 7, graphic discharge gap is open Structure (or enclosed construction), graphite electrode piece section are round or rectangle, and thickness is 1~8 millimeter.Each put Electric gap both ends are respectively arranged with electrode 1 and electrode 2, and insulating annular gasket, insulating annular are placed between electrode 1 and electrode 2 Gasket is circular ring shape, is made of a kind of material in polytetrafluoroethylene (PTFE), rubber, nylon, mica or Du Pont's paper, thickness 0.1 ~0.7 millimeter, trigger circuit is resistance-capacitance device (resistor is in parallel with capacitor to be formed), wherein, the capacitance of capacitor is 10PF~100nF, preferably 50PF~3nF, withstanding voltage are 100V~10kV, and the resistance value of resistor is 10k Ω~200M Ω, It is preferred that 500k Ω~20M Ω, power is 1/8W~10W, in order to which the charge that ensures to be charged in trigger circuit is in lightning impulse It fully releases in interval time, 3 times of the time constant of the resistance-capacitance device or 4 times or 5 times or 6 times should be less than between being struck by lightning twice Interval time.

Embodiment 1

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in Fig. 2, external including three Terminal：L (phase line) terminal, N (neutral conductor) terminals and PE (ground wire) terminal, are used to connect protected alternating current circuit；L-N is protected Shield pattern is made of 10 discharge gaps (G1~G10) and 9 trigger circuit Z1~Z9, and N-PE protected modes are by 10 discharge gaps (1~G ' of G ' 10) and 9 1~Z ' of trigger circuit Z ' 9 are formed, wherein, the electrode 2 and N- of the 6th discharge gap G6 of L-N protected modes The electrode 2 of 6th discharge gap G ' 6 of PE protected modes is connected by the first conducting wire, the 6th article of trigger circuit Z6 of L-N protected modes Second end connect with the second end of the 6th of N-PE protected modes the article of trigger circuit Z ' 6 by the second conducting wire, then L-PE protect mould Formula protects mould by the the 1st to the 6th discharge gap G1~G6 and the 1st to the 6th article of trigger circuit Z1~Z6 and N-PE of L-N protected modes 7th to the 10th 7~G ' of discharge gap G ' 10 of formula and the 6th to the 9th article of 6~Z ' of trigger circuit Z ' 9 are formed.

Discharge gap G1~G10 is connected in series with, wherein, the electrode 1 of the 1st graphic discharge gap G1 is connect with terminal L (phase line), The electrode 2 of 10th graphic discharge gap G10 is connect with terminal N (neutral conductor), and 1~G ' of discharge gap G ' 10 are connected in series with, wherein, the The electrode 1 of 1 graphic discharge gap G ' 1 is connect with terminal N (neutral conductor), the electrode 2 and terminal of the 10th graphic discharge gap G ' 10 PE (ground wire) connections.

Each trigger circuit structure is identical and is resistance-capacitance device, and resistance-capacitance device is formed by resistor is in parallel with capacitor.Such as Fig. 2 It is shown：1st article of trigger circuit Z1 of L-N protected modes is made of C1 and R1 parallel connections, and one end is with connecting graphic discharge gap G1, G2 Common end connection, the 2nd article of trigger circuit Z2 of L-N protected modes be made of C2 and R2 parallel connections, and one end is put with connecting graphite The common end connection ... ... of electric gap G2, G3, and so on, the 8th article of trigger circuit Z8 of L-N protected modes is in parallel by C8 and R8 It forms, one end is connected with connecting the common end of graphic discharge gap G8, G9, and the 9th article of trigger circuit Z9 of L-N protected modes is by C9 It is formed with R9 parallel connections, one end is connected with connecting the common end of graphic discharge gap G9, G10, above-mentioned 9 trigger circuit Z1~Z9's Second end is simultaneously connect after connecing with N (neutral conductor) terminal again；

1st article of trigger circuit Z ' 1 of N-PE protected modes is made of C ' 1 and 1 parallel connections of R ', and one end is with connecting graphic discharge The common end connection of gap G ' 1, G ' 2, the 2nd article of trigger circuit Z ' 2 of N-PE protected modes are made of C ' 2 and 2 parallel connections of R ', one end It is connected with the common end for connecting graphic discharge gap G ' 2, G ' 3 ... ..., and so on, the 8th article of trigger circuit of N-PE protected modes Z ' 8 is made of C ' 8 and 8 parallel connections of R ', and one end is connected with connecting the common end of graphic discharge gap G ' 8, G ' 9, N-PE protected modes The 9th article of trigger circuit Z ' 9 be made of C ' 9 and 9 parallel connections of R ', one end and connect graphic discharge gap G ' 9, G ' 10 common end connect It connects, the second end of 1~Z ' of above-mentioned 9 trigger circuit Z ' 9 is simultaneously connect after connecing with N (neutral conductor) terminal again.

During specific works, when there is surge in the circuit between L lines and N lines, the 1st to the 9th article of triggering of L-N protected modes Circuit Z1~Z9 triggers discharge gap G1~G9 actions respectively, then discharge gap G1~G9 is both turned on, and surge voltage is just applied to thereafter The both ends of discharge gap G10 so that discharge gap G10 is connected, and so as to which discharge gap G1~G10 becomes low-resistance, ultimately forms overvoltage Leadage circuit so as to which the surge scurried between circuit L-N is limited in the voltage range that electronic equipment can bear, is realized To being connected to the protection of electronic equipment between L lines and N lines；When there is surge in the circuit between N lines and PE lines, N-PE protected modes The the 1st to the 9th article of 1~Z ' of trigger circuit Z ' 9 trigger respectively 2~G ' of discharge gap G ' 10 action, then 2~G ' of discharge gap G ' 10 are led Logical, surge voltage is just applied to the both ends of discharge gap G ' 1 thereafter so that discharge gap G ' 1 is connected, so as to 1~G ' of discharge gap G ' 10 Become low-resistance, ultimately form overvoltage leadage circuit, set so as to which the surge scurried between circuit N-PE is limited in electronics In the standby voltage range that can bear, the protection to being connected to electronic equipment between N lines and PE lines is realized, when between L lines and PE lines Circuit when there is surge, the 1st to the 6th article of trigger circuit Z1~Z6 of L-N protected modes triggers discharge gap G1~G6 and moves respectively Make, the 6th to the 9th article of 6~Z ' of trigger circuit Z ' 9 of N-PE protected modes triggers the actions of 7~G ' of discharge gap G ' 10 (especially respectively Ground, since the second end of trigger circuit Z6 is connect with the second end of trigger circuit Z ' 6 by the second conducting wire, then trigger circuit Z6 with Trigger circuit Z ' 6 in parallel is a trigger circuit, therefore trigger circuit Z6 can also trigger discharge gap G ' 7, and trigger circuit Z ' 6 may be used also To trigger discharge gap G6), become low-resistance after discharge gap G1~G6 and the conductings of 7~G ' of discharge gap G ' 10, ultimately form overvoltage and let out It discharges road, so as to which the surge scurried between circuit L-PE is limited in the voltage range that electronic equipment can bear, realizes To being connected to the protection of electronic equipment between L lines and PE lines.

Embodiment 2

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in figure 4, external including three Terminal：L (phase line) terminal, N (neutral conductor) terminals and PE (ground wire) terminal, are used to connect protected alternating current circuit；L-N is protected Shield pattern is made of 10 discharge gaps (G1~G10) and 9 trigger circuit Z1~Z9, and N-PE protected modes are by 10 discharge gaps (1~G ' of G ' 10) and 9 1~Z ' of trigger circuit Z ' 9 are formed, wherein, the electrode 2 and N- of the 5th discharge gap G5 of L-N protected modes The electrode 2 of 5th discharge gap G ' 5 of PE protected modes is connected by conducting wire, and in the 1st discharging gap G1 and the 2nd discharging gap G2 Common end be connected with that a trigger circuit Z " 1 (by resistor R " 1 is in parallel with capacitor C " 1 to be formed), in the 2nd discharging gap G2 It is connected with that one article of trigger circuit Z " 2 (by resistor R " 2 is in parallel with capacitor C " 2 to be formed with the common end of the 3rd discharging gap G3), One article of trigger circuit Z " 3 (by resistor R " 3 and capacitance are connected in the common end of the 3rd discharging gap G3 and the 4th discharging gap G4 Device C " 3 is in parallel to be formed), be connected in the common end of the 4th discharging gap G4 and the 5th discharging gap G5 one article of trigger circuit Z " 4 (by Resistor R " 4 with capacitor C " 4 is in parallel to be formed), it is connected with one in the common end of the 5th discharging gap G5 and the 6th discharging gap G6 Trigger circuit Z " 5 (by resistor R " 5 is in parallel with capacitor C " 5 to be formed), the other end of above-mentioned 5 trigger circuit Z " 1~Z " 5 It is connect after connecting together with PE ends, then L-PE protected modes are by the 1st to the 5th discharge gap G1~G5 of L-N protected modes and upper State trigger circuit Z " 1~Z " 5 and N-PE protected modes the 6th to the 10th 6~G ' of discharge gap G ' 10 and the 5th to the 9th article triggering 5~Z ' of circuit Z ' 9 are formed.

Each trigger circuit structure is identical and is resistance-capacitance device, and resistance-capacitance device is formed by resistor is in parallel with capacitor.Such as Fig. 4 It is shown：1st article of trigger circuit Z1 of L-N protected modes is made of C1 and R1 parallel connections, and one end is with connecting graphic discharge gap G1, G2 Common end connection, the 2nd article of trigger circuit Z2 of L-N protected modes be made of C2 and R2 parallel connections, and one end is put with connecting graphite The common end connection ... ... of electric gap G2, G3, and so on, the 8th article of trigger circuit Z8 of L-N protected modes is in parallel by C8 and R8 It forms, one end is connected with connecting the common end of graphic discharge gap G8, G9, and the 9th article of trigger circuit Z9 of L-N protected modes is by C9 It is formed with R9 parallel connections, one end is connected with connecting the common end of graphic discharge gap G9, G10, above-mentioned 9 trigger circuit Z1~Z9's Second end is simultaneously connect after connecing with N (neutral conductor) terminal again；

1st article of trigger circuit Z ' 1 of N-PE protected modes is made of C ' 1 and 1 parallel connections of R ', and one end is with connecting graphic discharge The common end connection of gap G ' 1, G ' 2, the 2nd article of trigger circuit Z ' 2 of N-PE protected modes are made of C ' 2 and 2 parallel connections of R ', one end It is connected with the common end for connecting graphic discharge gap G ' 2, G ' 3 ... ..., and so on, the 8th article of trigger circuit of N-PE protected modes Z ' 8 is made of C ' 8 and 8 parallel connections of R ', and one end is connected with connecting the common end of graphic discharge gap G ' 8, G ' 9, N-PE protected modes The 9th article of trigger circuit Z ' 9 be made of C ' 9 and 9 parallel connections of R ', one end and connect graphic discharge gap G ' 9, G ' 10 common end connect It connects, the second end of 1~Z ' of above-mentioned 9 trigger circuit Z ' 9 is simultaneously connect after connecing with PE (ground wire) terminal again.

During specific works, when there is surge in the circuit between L lines and N lines, the 1st to the 9th article of triggering of L-N protected modes Circuit Z1~Z9 triggers discharge gap G1~G9 actions respectively, then discharge gap G1~G9 is both turned on, and surge voltage is just applied to thereafter The both ends of discharge gap G10 so that discharge gap G10 is connected, and so as to which discharge gap G1~G10 becomes low-resistance, ultimately forms overvoltage Leadage circuit so as to which the surge scurried between circuit L-N is limited in the voltage range that electronic equipment can bear, is realized To being connected to the protection of electronic equipment between L lines and N lines；When there is surge in the circuit between N lines and PE lines, N-PE protected modes The the 1st to the 9th article of 1~Z ' of trigger circuit Z ' 9 trigger respectively 1~G ' of discharge gap G ' 9 action, then 1~G ' of discharge gap G ' 9 are led Logical, surge voltage is just applied to the both ends of discharge gap G ' 10 so that discharge gap G ' 10 is connected, so as to which 1~G ' of discharge gap G ' 10 are equal Become low-resistance, ultimately form overvoltage leadage circuit, so as to which the surge scurried between circuit N-PE is limited in electronic equipment In the voltage range that can bear, the protection to being connected to electronic equipment between N lines and PE lines is realized, when between L lines and PE lines When surge occurs in circuit, above-mentioned trigger circuit Z " 1~Z " 5 is triggered discharge gap G1~G5 and is acted respectively, and the 6th of N-PE protected modes the The actions of 6~G ' of discharge gap G ' 9 are triggered respectively to the 9th article of 6~Z ' of trigger circuit Z ' 9 (particularly, due to the second of trigger circuit Z5 End is connect with the second end of trigger circuit Z ' 5 by the second conducting wire, then trigger circuit Z5 is in parallel with trigger circuit Z ' 5 touches for one Power Generation Road, then trigger circuit Z ' 5 also trigger discharge gap G5), then discharge gap G1~G5 and 6~G ' of discharge gap G ' 9 are connected, electric thereafter Gush the both ends that voltage is just applied to discharge gap G ' 10 so that discharge gap G ' 10 is connected, so as to discharge gap G1~G5 and discharge gap G ' 6 ~G ' 10 becomes low-resistance, ultimately forms overvoltage leadage circuit, so as to which the surge scurried between circuit L-PE is limited in electricity In the voltage range that sub- equipment can bear, the protection to being connected to electronic equipment between L lines and PE lines is realized.

Embodiment 3

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in figure 5, external including three Terminal：L (phase line) terminal, N (neutral conductor) terminals and PE (ground wire) terminal, are used to connect protected alternating current circuit；L-N is protected Shield pattern is made of 10 discharge gaps (G1~G10) and 9 trigger circuit Z1~Z9, and N-PE protected modes are by 10 discharge gaps (1~G ' of G ' 10) and 9 1~Z ' of trigger circuit Z ' 9 are formed, wherein, the electrode 2 and N- of the 6th discharge gap G6 of L-N protected modes The electrode 2 of 6th discharge gap G ' 6 of PE protected modes is connected by conducting wire, and in the 1st discharging gap G1 and the 2nd discharging gap G2 Common end be connected with that a trigger circuit Z " 1 (by resistor R " 1 is in parallel with capacitor C " 1 to be formed), in the 2nd discharging gap G2 It is connected with that one article of trigger circuit Z " 2 (by resistor R " 2 is in parallel with capacitor C " 2 to be formed with the common end of the 3rd discharging gap G3), One article of trigger circuit Z " 3 (by resistor R " 3 and capacitance are connected in the common end of the 3rd discharging gap G3 and the 4th discharging gap G4 Device C " 3 is in parallel to be formed), be connected in the common end of the 4th discharging gap G4 and the 5th discharging gap G5 one article of trigger circuit Z " 4 (by Resistor R " 4 with capacitor C " 4 is in parallel to be formed), it is connected with one in the common end of the 5th discharging gap G5 and the 6th discharging gap G6 Trigger circuit Z " 5 (by resistor R " 5 is in parallel with capacitor C " 5 to be formed), the other end of above-mentioned 5 trigger circuit Z " 1~Z " 5 It is connect after connecting together with PE ends, then L-PE protected modes are by the 1st to the 6th discharge gap G1~G6 of L-N protected modes and upper State trigger circuit Z " 1~Z " 5 and N-PE protected modes the 7th to the 10th 7~G ' of discharge gap G ' 10 and the 6th to the 9th article triggering 6~Z ' of circuit Z ' 9 are formed.

Each trigger circuit structure is identical and is resistance-capacitance device, and resistance-capacitance device is formed by resistor is in parallel with capacitor.Such as Fig. 5 It is shown：1st article of trigger circuit Z1 of L-N protected modes is made of C1 and R1 parallel connections, and one end is with connecting graphic discharge gap G1, G2 Common end connection, the 2nd article of trigger circuit Z2 of L-N protected modes be made of C2 and R2 parallel connections, and one end is put with connecting graphite The common end connection ... ... of electric gap G2, G3, and so on, the 8th article of trigger circuit Z8 of L-N protected modes is in parallel by C8 and R8 It forms, one end is connected with connecting the common end of graphic discharge gap G8, G9, and the 9th article of trigger circuit Z9 of L-N protected modes is by C9 It is formed with R9 parallel connections, one end is connected with connecting the common end of graphic discharge gap G9, G10, above-mentioned 9 trigger circuit Z1~Z9's Second end is simultaneously connect after connecing with N (neutral conductor) terminal again；

During specific works, when there is surge in the circuit between L lines and N lines, the 1st to the 9th article of triggering of L-N protected modes Circuit Z1~Z9 triggers discharge gap G1~G9 actions respectively, then discharge gap G1~G9 is both turned on, and surge voltage is just applied to thereafter The both ends of discharge gap G10 so that discharge gap G10 is connected, and so as to which discharge gap G1~G10 becomes low-resistance, ultimately forms overvoltage Leadage circuit so as to which the surge scurried between circuit L-N is limited in the voltage range that electronic equipment can bear, is realized To being connected to the protection of electronic equipment between L lines and N lines；When there is surge in the circuit between N lines and PE lines, N-PE protected modes The the 1st to the 9th article of 1~Z ' of trigger circuit Z ' 9 trigger respectively 1~G ' of discharge gap G ' 9 action, then 1~G ' of discharge gap G ' 9 are led Logical, surge voltage is just applied to the both ends of discharge gap G ' 10 thereafter so that discharge gap G ' 10 is connected, so as to 1~G ' of discharge gap G ' 10 become low-resistance, ultimately form overvoltage leadage circuit, so as to which the surge scurried between circuit N-PE is limited in electronics In the voltage range that equipment can bear, realize the protection to being connected to electronic equipment between N lines and PE lines, when L lines and PE lines it Between circuit when there is surge, above-mentioned trigger circuit Z " 1~Z " 5 triggers discharge gap G1~G5 actions, N-PE protected modes respectively The 6th article of trigger circuit Z ' 6 triggering discharge gap G6, N-PE protected mode the 7th article to the 9th article 7~Z ' of trigger circuit Z ' 9 difference It triggers 7~G ' of discharge gap G ' 9 to act, then discharge gap G1~G6 and 7~G ' of discharge gap G ' 9 is connected, and surge voltage just applies thereafter At the both ends of discharge gap G ' 10 so that discharge gap G ' 10 is connected, so as to which discharge gap G1~G6 and 7~G ' of discharge gap G ' 10 becomes Low-resistance ultimately forms overvoltage leadage circuit, so as to which the surge scurried between circuit L-PE is limited in electronic equipment institute energy In the voltage range born, the protection to being connected to electronic equipment between L lines and PE lines is realized.

Embodiment 4

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in fig. 6, external including three Terminal：L (phase line) terminal, N (neutral conductor) terminals and PE (ground wire) terminal, are used to connect protected alternating current circuit；L-N is protected Shield pattern is made of 10 discharge gaps (G1~G10) and 9 trigger circuit Z1~Z9, and N-PE protected modes are by 10 discharge gaps (1~G ' of G ' 10) and 9 1~Z ' of trigger circuit Z ' 9 are formed, wherein, the electrode 2 and N- of the 6th discharge gap G6 of L-N protected modes The electrode 2 of 6th discharge gap G ' 6 of PE protected modes is connected by conducting wire, and in the 1st discharging gap G1 and the 2nd discharging gap G2 Common end be connected with that a trigger circuit Z " 1 (by resistor R " 1 is in parallel with capacitor C " 1 to be formed), in the 2nd discharging gap G2 It is connected with that one article of trigger circuit Z " 2 (by resistor R " 2 is in parallel with capacitor C " 2 to be formed with the common end of the 3rd discharging gap G3), One article of trigger circuit Z " 3 (by resistor R " 3 and capacitance are connected in the common end of the 3rd discharging gap G3 and the 4th discharging gap G4 Device C " 3 is in parallel to be formed), be connected in the common end of the 4th discharging gap G4 and the 5th discharging gap G5 one article of trigger circuit Z " 4 (by Resistor R " 4 with capacitor C " 4 is in parallel to be formed), it is connected with one in the common end of the 5th discharging gap G5 and the 6th discharging gap G6 Trigger circuit Z " 5 (by resistor R " 5 is in parallel with capacitor C " 5 to be formed), the other end of above-mentioned 5 trigger circuit Z " 1~Z " 5 It is connect after connecting together with PE ends, then L-PE protected modes are by the 1st to the 6th discharge gap G1~G6 of L-N protected modes and upper State trigger circuit Z " 1~Z " 5 and N-PE protected modes the 7th to the 10th 7~G ' of discharge gap G ' 10 and the 6th to the 9th article triggering 6~Z ' of circuit Z ' 9 are formed.

Each trigger circuit structure is identical and is resistance-capacitance device, and resistance-capacitance device is formed by resistor is in parallel with capacitor.Such as Fig. 6 It is shown：1st article of trigger circuit Z1 of L-N protected modes is made of C1 and R1 parallel connections, and one end is with connecting graphic discharge gap G1, G2 Common end connection, the 2nd article of trigger circuit Z2 of L-N protected modes be made of C2 and R2 parallel connections, and one end is put with connecting graphite The common end connection ... ... of electric gap G2, G3, and so on, the 8th article of trigger circuit Z8 of L-N protected modes is in parallel by C8 and R8 It forms, one end is connected with connecting the common end of graphic discharge gap G8, G9, and the 9th article of trigger circuit Z9 of L-N protected modes is by C9 It is formed with R9 parallel connections, one end is connected with connecting the common end of graphic discharge gap G9, G10, above-mentioned 9 trigger circuit Z1~Z9's Second end is simultaneously connect after connecing with N (neutral conductor) terminal again；

In the present embodiment, indicating circuit is further included so that the surge protector has instruction function, and indicating circuit is by fusing Device FU11, decompression capacitor C101, bleeder resistance R101, current-limiting resistance R111, rectifier diode VD1, protection diode VD2, hair Optical diode VL1, current-limiting inductance L1 are formed, wherein, bleeder resistance R101 and decompression capacitor C101, which is connected in parallel, forms RC circuits, RC circuit on one side is connect with one end of fuse FU11, and the other end of fuse FU11 is connect with L ends, the RC circuits other end and limit One end connection of leakage resistance R111, the other end of current-limiting resistance R111 and the cathode of protection diode VD2, rectifier diode VD1 Anode connection.The cathode of rectifier diode VD1 is connect with the anode of light emitting diode VL1, the cathode of light emitting diode VL1 with The anode connection of protection diode VD2, and one end with current-limiting inductance L1 connects simultaneously, the other end and N-terminal of current-limiting inductance L1 Connection.

During specific works, when there is surge in the circuit between L lines and N lines, the 1st to the 9th article of triggering of L-N protected modes Circuit Z1~Z9 triggers discharge gap G1~G9 actions respectively, then discharge gap G1~G9 is both turned on, and surge voltage is just applied to thereafter The both ends of discharge gap G10 so that discharge gap G10 is connected, and so as to which discharge gap G1~G10 becomes low-resistance, ultimately forms overvoltage Leadage circuit so as to which the surge scurried between circuit L-N is limited in the voltage range that electronic equipment can bear, is realized To being connected to the protection of electronic equipment between L lines and N lines；When there is surge in the circuit between N lines and PE lines, N-PE protected modes The the 1st to the 9th article of 1~Z ' of trigger circuit Z ' 9 trigger respectively 1~G ' of discharge gap G ' 9 action, then 1~G ' of discharge gap G ' 9 are led Logical, surge voltage is just applied to the both ends of discharge gap G ' 10 thereafter so that discharge gap G ' 10 is connected, so as to 1~G ' of discharge gap G ' 10 become low-resistance, ultimately form overvoltage leadage circuit, so as to which the surge scurried between circuit N-PE is limited in electronics In the voltage range that equipment can bear, realize the protection to being connected to electronic equipment between N lines and PE lines, when L lines and PE lines it Between circuit when there is surge, above-mentioned trigger circuit Z " 1~Z " 5 triggers discharge gap G1~G5 actions, N-PE protected modes respectively The 6th article of trigger circuit Z ' 6 triggering discharge gap G6, N-PE protected mode the 7th article to the 9th article 7~Z ' of trigger circuit Z ' 9 difference It triggers 7~G ' of discharge gap G ' 9 to act, then discharge gap G1~G6 and 7~G ' of discharge gap G ' 9 is connected, and surge voltage just applies thereafter At the both ends of discharge gap G ' 10 so that discharge gap G ' 10 is connected, so as to which discharge gap G1~G6 and 6~G ' of discharge gap G ' 10 becomes Low-resistance ultimately forms overvoltage leadage circuit, so as to which the surge scurried between circuit L-PE is limited in electronic equipment institute energy In the voltage range born, the protection to being connected to electronic equipment between L lines and PE lines is realized.

Embodiment 5

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in fig. 7, comprises three external Terminal：L (phase line) terminal, N (neutral conductor) terminals and PE (ground wire) terminal, are used to connect protected alternating current circuit；L-N is protected Shield pattern is made of 10 discharge gaps (G1~G10) and 9 trigger circuit Z1~Z9, and N-PE protected modes are by 10 discharge gaps (1~G ' of G ' 10) and 9 1~Z ' of trigger circuit Z ' 9 are formed, wherein, the electrode 2 and N- of the 6th discharge gap G6 of L-N protected modes Connected first fuse FU1 between the electrode 2 of 6th discharge gap G ' 6 of PE protected modes, and in the 1st discharging gap G1 and the 2nd The common end of discharging gap G2 is connected with that a trigger circuit Z " 1 (by resistor R " 1 is in parallel with capacitor C " 1 to be formed), the 2nd The common end of discharging gap G2 and the 3rd discharging gap G3 are connected with one article of trigger circuit Z " 2 (by resistor R " 2 and capacitor C " 2 Parallel connection is formed), one article of trigger circuit Z " 3 is connected with (by resistance in the common end of the 3rd discharging gap G3 and the 4th discharging gap G4 Device R " 3 with capacitor C " 3 is in parallel to be formed), be connected in the common end of the 4th discharging gap G4 and the 5th discharging gap G5 one article it is tactile Power Generation Road Z " 4 (by resistor R " 4 is in parallel with capacitor C " 4 to be formed), in the public affairs of the 5th discharging gap G5 and the 6th discharging gap G6 End is connected with that a trigger circuit Z " 5 (by resistor R " 5 is in parallel with capacitor C " 5 to be formed altogether), above-mentioned 5 trigger circuit Z " 1 The other end of~Z " 5 and connecing is connect afterwards with the first end again with second fuse FU2, the second end and PE of second fuse FU2 End connection, then L-PE protected modes by L-N protected modes the 1st to the 6th discharge gap G1~G6 and above-mentioned trigger circuit Z " 1~Z " 7th to the 10th 7~G ' of discharge gap G ' 10 of 5 and N-PE protected modes and the 6th to the 9th article of 6~Z ' of trigger circuit Z ' 9 are formed.

Each trigger circuit structure is identical and is resistance-capacitance device, and resistance-capacitance device is formed by resistor is in parallel with capacitor.Such as Fig. 7 It is shown：1st article of trigger circuit Z1 of L-N protected modes is made of C1 and R1 parallel connections, and one end is with connecting graphic discharge gap G1, G2 Common end connection, the 2nd article of trigger circuit Z2 of L-N protected modes be made of C2 and R2 parallel connections, and one end is put with connecting graphite The common end connection ... ... of electric gap G2, G3, and so on, the 8th article of trigger circuit Z8 of L-N protected modes is in parallel by C8 and R8 It forms, one end is connected with connecting the common end of graphic discharge gap G8, G9, and the 9th article of trigger circuit Z9 of L-N protected modes is by C9 It is formed with R9 parallel connections, one end is connected with connecting the common end of graphic discharge gap G9, G10, above-mentioned 9 trigger circuit Z1~Z9's Second end is simultaneously connect after connecing with N (neutral conductor) terminal again；

During specific works, when there is surge in the circuit between L lines and N lines, the 1st to the 9th article of triggering of L-N protected modes Circuit Z1~Z9 triggers discharge gap G1~G9 actions respectively, then discharge gap G1~G9 is connected, and surge voltage is just applied to and puts thereafter The both ends of electric gap G10 so that discharge gap G10 is connected, and so as to which discharge gap G1~G10 becomes low-resistance, ultimately forms overvoltage and lets out It discharges road, so as to which the surge scurried between circuit L-N is limited in the voltage range that electronic equipment can bear, realizes pair It is connected to the protection of electronic equipment between L lines and N lines；When there is surge in the circuit between N lines and PE lines, N-PE protected modes 1st to the 9th article of 1~Z ' of trigger circuit Z ' 9 triggers the actions of 1~G ' of discharge gap G ' 9 respectively, then 1~G ' of discharge gap G ' 9 are connected, Surge voltage is just applied to the both ends of discharge gap G ' 10 afterwards so that discharge gap G ' 10 is connected, so as to which 1~G ' of discharge gap G ' 10 become Into low-resistance, overvoltage leadage circuit is ultimately formed, so as to which the surge scurried between circuit N-PE is limited in electronic equipment institute In the voltage range that can be born, the protection to being connected to electronic equipment between N lines and PE lines is realized, the electricity between L lines and PE lines When surge occurs in road, above-mentioned trigger circuit Z " 1~Z " 5 is triggered discharge gap G1~G5 and is acted respectively, the 6th article of N-PE protected modes 7th article to the 9th article 7~Z ' of trigger circuit Z ' 9 of triggering discharge gap G6, the N-PE protected modes of trigger circuit Z ' 6 is triggered respectively to be put 7~G ' of electric gap G ' 9 are acted, then discharge gap G1~G6 and 7~G ' of discharge gap G ' 9 is connected, and surge voltage is just applied to electric discharge thereafter The both ends of gap G ' 10 so that discharge gap G ' 10 is connected, so as to which discharge gap G1~G6 and 7~G ' of discharge gap G ' 10 becomes low-resistance, Overvoltage leadage circuit is ultimately formed, so as to which the surge scurried between circuit L-PE is limited in what electronic equipment can bear In voltage range, the protection to being connected to electronic equipment between L lines and PE lines is realized.

Particularly, when the trigger circuit in L-PE protected modes generates failure, after fuse FU1 and FU2 fuses, L- The mode that the discharge gap that PE protected modes can be used between L-N protected modes and N-PE protected modes combines after connecting with trigger circuit Work.

Embodiment 6

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in figure 8, external including three Terminal：L (phase line) terminal, N (neutral conductor) terminals and PE (ground wire) terminal, are used to connect protected alternating current circuit；L-N is protected Shield pattern is made of 10 discharge gaps (G1~G10) and 9 trigger circuit Z1~Z9, and N-PE protected modes are by 10 discharge gaps (1~G ' of G ' 10) and 9 1~Z ' of trigger circuit Z ' 9 are formed, wherein, the electrode 2 and N- of the 5th discharge gap G5 of L-N protected modes The electrode 2 of 8th discharge gap G ' 8 of PE protected modes is connected by conducting wire, and in the 1st discharging gap G1 and the 2nd discharging gap G2 Common end be connected with that a trigger circuit Z " 1 (by resistor R " 1 is in parallel with capacitor C " 1 to be formed), in the 2nd discharging gap G2 It is connected with that one article of trigger circuit Z " 2 (by resistor R " 2 is in parallel with capacitor C " 2 to be formed with the common end of the 3rd discharging gap G3), One article of trigger circuit Z " 3 (by resistor R " 3 and capacitance are connected in the common end of the 3rd discharging gap G3 and the 4th discharging gap G4 Device C " 3 is in parallel to be formed), be connected in the common end of the 4th discharging gap G4 and the 5th discharging gap G5 one article of trigger circuit Z " 4 (by Resistor R " 4 with capacitor C " 4 is in parallel to be formed), it is connected with one in the common end of the 5th discharging gap G5 and the 6th discharging gap G6 Trigger circuit Z " 5 (by resistor R " 5 is in parallel with capacitor C " 5 to be formed), the other end of above-mentioned 5 trigger circuit Z " 1~Z " 5 It is connect after connecting together with PE ends, then L-PE protected modes are by the 1st to the 6th discharge gap G1~G6 of L-N protected modes and upper State trigger circuit Z " 1~Z " 5 and N-PE protected modes the 9th to the 10th 9~G ' of discharge gap G ' 10 and the 8th to the 9th article triggering 8~Z ' of circuit Z ' 9 are formed.

Each trigger circuit structure is identical and is resistance-capacitance device, and resistance-capacitance device is formed by resistor is in parallel with capacitor.Such as Fig. 8 It is shown：1st article of trigger circuit Z1 of L-N protected modes is made of C1 and R1 parallel connections, and one end is with connecting graphic discharge gap G1, G2 Common end connection, the 2nd article of trigger circuit Z2 of L-N protected modes be made of C2 and R2 parallel connections, and one end is put with connecting graphite The common end connection ... ... of electric gap G2, G3, and so on, the 8th article of trigger circuit Z8 of L-N protected modes is in parallel by C8 and R8 It forms, one end is connected with connecting the common end of graphic discharge gap G8, G9, and the 9th article of trigger circuit Z9 of L-N protected modes is by C9 It is formed with R9 parallel connections, one end is connected with connecting the common end of graphic discharge gap G9, G10, the other end of above-mentioned 9 trigger circuits And it is connect again with N (neutral conductor) terminal after connecing；

1st article of trigger circuit Z ' 1 of N-PE protected modes is made of C ' 1 and 1 parallel connections of R ', and one end is with connecting graphic discharge The common end connection of gap G ' 1, G ' 2, the 2nd article of trigger circuit Z ' 2 of N-PE protected modes are made of C2 ' and R2 ' parallel connections, one end It is connected with the common end for connecting graphic discharge gap G ' 2, G ' 3 ... ..., and so on, the 8th article of trigger circuit of N-PE protected modes Z ' 8 is made of C ' 8 and 8 parallel connections of R ', and one end is connected with connecting the common end of graphic discharge gap G ' 8, G ' 9, N-PE protected modes The 9th article of trigger circuit Z ' 9 be made of C ' 9 and 9 parallel connections of R ', one end and connect graphic discharge gap G ' 9, G ' 10 common end connect It connects, the other end of above-mentioned 9 trigger circuits is simultaneously connect after connecing with PE (ground wire) terminal again.

During specific works, when there is surge in the circuit between L lines and N lines, the 1st to the 9th article of triggering of L-N protected modes Circuit Z1~Z9 triggers discharge gap G1~G9 actions respectively, then discharge gap G1~G9 is connected, and surge voltage is just applied to and puts thereafter The both ends of electric gap G10 so that discharge gap G10 is connected, and so as to which discharge gap G1~G10 becomes low-resistance, ultimately forms overvoltage and lets out It discharges road, so as to which the surge scurried between circuit L-N is limited in the voltage range that electronic equipment can bear, realizes pair It is connected to the protection of electronic equipment between L lines and N lines；When there is surge in the circuit between N lines and PE lines, N-PE protected modes 1st to the 9th article of 1~Z ' of trigger circuit Z ' 9 triggers the actions of 1~G ' of discharge gap G ' 9 respectively, then 1~G ' of discharge gap G ' 9 are connected, Surge voltage is just applied to the both ends of discharge gap G ' 10 afterwards so that discharge gap G ' 10 is connected, so as to which 1~G ' of discharge gap G ' 10 become Into low-resistance, overvoltage leadage circuit is ultimately formed, so as to which the surge scurried between circuit N-PE is limited in electronic equipment institute In the voltage range that can be born, the protection to being connected to electronic equipment between N lines and PE lines is realized, the electricity between L lines and PE lines When there is surge in road, above-mentioned trigger circuit Z " 1~Z " 5 trigger respectively discharge gap G1~G5 action, N-PE protected modes the 8th to 9th article of 8~Z ' of trigger circuit Z ' 9 triggers discharge gap G5 and discharge gap G ' 9 and acts respectively, then discharge gap G1~G5 and discharge gap G ' 9 conductings, surge voltage is just applied to the both ends of discharge gap G ' 10 thereafter so that and discharge gap G ' 10 is connected, thus discharge gap G1~ 9~G ' of G5, G ' 10 becomes low-resistance, ultimately forms to form overvoltage leadage circuit, so as to scurry between circuit L-PE Surge is limited in the voltage range that electronic equipment can bear, and realizes the protection to being connected to electronic equipment between L lines and PE lines.

Embodiment 7

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in figure 9, external including three Terminal：L (phase line) terminal, N (neutral conductor) terminals and PE (ground wire) terminal, are used to connect protected alternating current circuit；L-N is protected Shield pattern is made of 12 discharge gaps (G1~G12) and 11 trigger circuit Z1~Z11, and N-PE protected modes are by 10 discharge gaps (1~G ' of G ' 10) and 9 1~Z ' of trigger circuit Z ' 9 are formed, wherein, the electrode 2 and N- of the 7th discharge gap G7 of L-N protected modes The electrode 2 of 7th discharge gap G ' 7 of PE protected modes is connected by conducting wire, and in the 1st discharging gap G1 and the 2nd discharging gap G2 Common end be connected with that a trigger circuit Z " 1 (by resistor R " 1 is in parallel with capacitor C " 1 to be formed), in the 2nd discharging gap G2 It is connected with that one article of trigger circuit Z " 2 (by resistor R " 2 is in parallel with capacitor C " 2 to be formed with the common end of the 3rd discharging gap G3), One article of trigger circuit Z " 3 (by resistor R " 3 and capacitance are connected in the common end of the 3rd discharging gap G3 and the 4th discharging gap G4 Device C " 3 is in parallel to be formed), be connected in the common end of the 4th discharging gap G4 and the 5th discharging gap G5 one article of trigger circuit Z " 4 (by Resistor R " 4 with capacitor C " 4 is in parallel to be formed), it is connected with one in the common end of the 5th discharging gap G5 and the 6th discharging gap G6 Trigger circuit Z " 5 (by resistor R " 5 is in parallel with capacitor C " 5 to be formed), in the 6th discharging gap G6 and the 7th discharging gap G7 Common end be connected with that a trigger circuit Z " 6 (by resistor R " 6 is in parallel with capacitor C " 6 to be formed), above-mentioned 6 trigger circuits The other end of Z " 1~Z " 6 is connect after connecting together with PE ends, then L-PE protected modes are by the 1st to the 7th of L-N protected modes Discharge gap G1~G7 and above-mentioned trigger circuit Z " 1~Z " 6 and the 8th to the 10th 8~G ' of discharge gap G ' 10 of N-PE protected modes It is formed with the 7th to the 9th 7~Z ' of trigger circuit Z ' 9.

Discharge gap G1~G12 is connected in series with, wherein, the electrode 1 of the 1st graphic discharge gap G1 is connect with terminal L (phase line), The electrode 2 of 12nd graphic discharge gap G12 is connect with terminal N (neutral conductor), and 1~G ' of discharge gap G ' 10 are connected in series with, wherein, the The electrode 1 of 1 graphic discharge gap G ' 1 is connect with terminal N (neutral conductor), the electrode 2 and terminal of the 10th graphic discharge gap G ' 10 PE (ground wire) connections.

Each trigger circuit structure is identical and is resistance-capacitance device, and resistance-capacitance device is formed by resistor is in parallel with capacitor.Such as Fig. 9 It is shown：1st article of trigger circuit Z1 of L-N protected modes is made of C1 and R1 parallel connections, and one end is with connecting graphic discharge gap G1, G2 Common end connection, the 2nd article of trigger circuit Z2 of L-N protected modes be made of C2 and R2 parallel connections, and one end is put with connecting graphite The common end connection ... ... of electric gap G2, G3, and so on, the 10th article of trigger circuit Z10 of L-N protected modes is by C10 and R10 Parallel connection is formed, and one end is connected with connecting the common end of graphic discharge gap G10, G11, the Sub_clause 11 triggering electricity of L-N protected modes Road Z11 is made of C11 and R11 parallel connections, and one end is connected with connecting the common end of graphic discharge gap G11, G12, and above-mentioned 11 are touched The other end of Power Generation Road Z1~Z11 is simultaneously connect after connecing with N (neutral conductor) terminal again；

1st article of trigger circuit Z ' 1 of N-PE protected modes is made of C ' 1 and 1 parallel connections of R ', and one end is with connecting graphic discharge The common end connection of gap G ' 1, G ' 2, the 2nd article of trigger circuit Z ' 2 of N-PE protected modes are made of C ' 2 and 2 parallel connections of R ', one end It is connected with the common end for connecting graphic discharge gap G ' 2, G ' 3 ... ..., and so on, the 8th article of trigger circuit of N-PE protected modes Z ' 8 is made of C ' 8 and 8 parallel connections of R ', and one end is connected with connecting the common end of graphic discharge gap G ' 8, G ' 9, N-PE protected modes The 9th article of trigger circuit Z ' 9 be made of C ' 9 and 9 parallel connections of R ', one end and connect graphic discharge gap G ' 9, G ' 10 common end connect It connects, the other end of 1~Z ' of above-mentioned 9 trigger circuit Z ' 9 is simultaneously connect after connecing with PE (ground wire) terminal again；

During specific works, when surge occurs in the circuit between L lines and N lines, the 1st of L-N protected modes touches to Sub_clause 11 Power Generation Road Z1~Z11 triggers discharge gap G1~G11 actions respectively, then discharge gap G1~G11 is connected, and surge voltage just applies thereafter At the both ends of discharge gap G12 so that discharge gap G12 is connected, and so as to which discharge gap G1~G12 becomes low-resistance, ultimately forms electricity Leadage circuit is pressed, it is real so as to which the surge scurried between circuit L-N is limited in the voltage range that electronic equipment can bear Now to being connected to the protection of electronic equipment between L lines and N lines；When there is surge in the circuit between N lines and PE lines, N-PE protection moulds The 1st of formula triggers the actions of 1~G ' of discharge gap G ' 9 to the 9th article of 1~Z ' of trigger circuit Z ' 9 respectively, then 1~G ' of discharge gap G ' 9 are led Logical, surge voltage is just applied to the both ends of discharge gap G ' 10 thereafter so that discharge gap G ' 10 is connected, so as to 1~G ' of discharge gap G ' 10 become low-resistance, ultimately form overvoltage leadage circuit, so as to which the surge scurried between circuit N-PE is limited in electronics In the voltage range that equipment can bear, realize the protection to being connected to electronic equipment between N lines and PE lines, when L lines and PE lines it Between circuit when there is surge, above-mentioned trigger circuit Z " 1~Z " 6 triggers discharge gap G1~G6 actions, N-PE protected modes respectively The 7th article of trigger circuit Z ' 7 triggering discharge gap G7, N-PE protected mode the 8th to the 9th article of 8~Z ' of trigger circuit Z ' 9 touch respectively It sends out 8~G ' of discharge gap G ' 9 to act, then discharge gap G1~G7 and 8~G ' of discharge gap G ' 9 is connected, and surge voltage is just applied to thereafter The both ends of discharge gap G ' 10 so that discharge gap G ' 10 is connected, so as to which discharge gap G1~G7 and 8~G ' of discharge gap G ' 10 becomes low Resistance, ultimately forms overvoltage leadage circuit, can be held so as to which the surge scurried between circuit L-PE is limited in electronic equipment In the voltage range received, the protection to being connected to electronic equipment between L lines and PE lines is realized.

Embodiment 8

In the present embodiment, bridge architecture multilayer gap-type surge protector circuit structure is as shown in Figure 10, outer including three Connecting terminal：DC+ (direct-flow positive pole line) terminal, DC- (direct current negative line) terminals and PE (ground wire) terminal are used to connection and are protected DC circuit；

DC+-DC- protected modes are made of 4 discharge gaps (V1~V4) and 3 trigger circuit Z1~Z3, DC+-DC protections Pattern is made of 4 discharge gaps (1~V ' of V ' 4) and 3 1~Z ' of trigger circuit Z ' 3, wherein, the 2nd of DC+-DC- protected modes the The electrode 2 of discharge gap V2 is connect with the electrode 2 of the 2nd discharge gap V ' 2 of DC--PE protected modes by conducting wire, and in the 1st electric discharge The common end of gap V1 and the 2nd discharging gap V2 are connected with one article of trigger circuit Z " 1 (by capacitor C " 1 and form), in the 2nd electric discharge The common end of gap V2 and the 3rd discharging gap V3 are connected with one article of trigger circuit Z " 2 (by capacitor C " 2 and form), above-mentioned 2 are touched The other end of Power Generation Road is connect after connecting together with PE ends, then DC+-PE protected modes by DC+-DC- protected modes the 1st to 3rd to the 4th discharge gap V ' 3 of the 2nd discharge gap V1~V2 and above-mentioned trigger circuit Z " 1~Z " 2 and DC--PE protected modes~ 4 and the 2nd to the 3rd 2~Z ' of trigger circuit Z ' 3 of V ' are formed.

Discharge gap V1~V4 is connected in series with, wherein, the electrode 1 of the 1st discharge gap V1 is connect with terminal DC+, the 4th electric discharge The electrode 2 of gap V4 is connect with terminal DC-, and 1~V ' of discharge gap V ' 4 are connected in series with, wherein, the electrode 1 of the 1st discharge gap V ' 1 with Terminal DC- connections, the electrode 2 of the 4th discharge gap V ' 4 are connect with terminals P E.

Discharge gap V1~the V4 and 1~V ' of V ' 4 of the present embodiment are gas-discharge tube.

Each trigger circuit structure is identical and is capacitor.As shown in Figure 10：The 1st article of DC+-DC- protected modes touches Power Generation Road Z1 is capacitor C1, and one end is connected with connecting the common end of gas-discharge tube V1, V 2, DC+-DC- protected modes 2nd article of trigger circuit Z2 is capacitor C2, and one end is connected with connecting the common end of gas-discharge tube V2, V3, DC+-DC- protections 3rd article of trigger circuit Z3 of pattern is capacitor C3, and one end is connected with connecting the common end of gas-discharge tube V3, V4, above-mentioned 3 The other end of trigger circuit Z1~Z3 is simultaneously connect after connecing with DC- terminals again.

1st article of trigger circuit Z ' 1 of DC--PE protected modes is capacitor C ' 1, and one end is with connecting gas-discharge tube V ' 1st, the common end connection of V ' 2, the 2nd article of trigger circuit Z ' 2 of DC--PE protected modes is capacitor C ' 2, and one end is with connecting gas The common end connection of body discharge tube V ' 2, V ' 3, the 3rd article of trigger circuit Z ' 3 of DC--PE protected modes are capacitor C ' 3, one End and the common end connection for connecting gas-discharge tube V ' 3, V ' 4, the other end of 1~Z ' of above-mentioned 3 trigger circuit Z ' 3 and after connecing again It is connect with PE terminals.

During specific works, when there is surge in the circuit between DC+ lines and DC- lines, DC+-DC- protected modes the 1st to 3rd article of trigger circuit Z1~Z3 triggers gas-discharge tube V1~V3 actions respectively, then gas-discharge tube V1~V3 is connected, electric thereafter Gush the both ends that voltage just applies gas-discharge tube V4 so that gas-discharge tube V4 is connected, so as to which gas-discharge tube V1~V4 becomes Into low-resistance, overvoltage leadage circuit is ultimately formed, so as to which the surge scurried between circuit DC+-DC- is limited in electronic equipment In the voltage range that can bear, the protection to being connected to electronic equipment between DC+ lines and DC- lines is realized；When DC- lines and PE lines it Between circuit when there is surge, the 1st to the 3rd article of 1~Z ' of trigger circuit Z ' 3 of DC--PE protected modes triggers discharge gap V ' respectively 1~V ' 3 is acted, then 1~V ' of gas-discharge tube V ' 3 are connected, and surge voltage just applies the both ends of gas-discharge tube V ' 4 thereafter, makes It obtains gas-discharge tube V ' 4 to be connected, so as to which 1~V ' of gas-discharge tube V ' 4 become low-resistance, ultimately forms overvoltage leadage circuit, So as to which the surge scurried between circuit DC--PE is limited in the voltage range that electronic equipment can bear, realize to connection The protection of electronic equipment between DC- lines and PE lines, when there is surge in the circuit between DC+ lines and PE lines, above-mentioned trigger circuit Z " 1~Z " 2 triggers gas-discharge tube V1~V2 actions, while the 2nd article of trigger circuit Z ' 2 triggerings of DC--PE protected modes respectively Gas discharge tube gap V2 is acted, and the 3rd article of trigger circuit Z ' 3 triggering gas-discharge tube gaps V ' 3 of DC--PE protected modes is acted, then Gas-discharge tube V1~V2 and gas-discharge tube V ' 3 is connected, and surge voltage just applies the both ends of gas-discharge tube V ' 4 thereafter, makes It obtains gas-discharge tube V ' 4 to be connected, so as to which gas-discharge tube V1~V2 and 3~V ' of gas-discharge tube V ' 4 become low-resistance, most end form Into overvoltage leadage circuit, so as to which the surge scurried between circuit DC--PE is limited in the voltage that electronic equipment can bear In the range of, realize the protection to being connected to electronic equipment between L lines and PE lines.

It should be noted that the trigger circuit in above-mentioned all embodiments can be any one in circuit shown in Figure 12 Kind.Wherein, it be capacitor C, Figure 12 (c) be varistor RV, Figure 12 (d) is resistance-capacitance device that Figure 12 (a), which is resistor R, Figure 12 (b), RC, Figure 12 (e) are that resistance-capacitance device RC connects with resistance R, Figure 12 (f) is that resistance-capacitance device RC connects with fuse FU, Figure 12 (g) is capacitance-resistance Device RC connects with thermistor RT, Figure 12 (h) is that resistance-capacitance device RC connects with inductance L, Figure 12 (i) is resistance-capacitance device RC and gas discharge Pipe V series connection, Figure 12 (j) are that resistance-capacitance device RC connects with varistor RV, Figure 12 (k) is resistance-capacitance device RC and transient diode VD goes here and there Connection, Figure 12 (l) are that resistance-capacitance device RC is in parallel with gas-discharge tube V, Figure 12 (m) is that resistance-capacitance device RC is in parallel with varistor RV, Figure 12 (n) it is in parallel with transient diode VD for resistance-capacitance device RC.

It is that a kind of bridge architecture multilayer gap-type surge protector provided by the present invention is described in detail above. Specific case used herein is expounded the principle of the present invention and embodiment, and the explanation of above example is only used In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art, Without departing from the principle of the present invention, can also to the present invention some improvement and modification can also be carried out, these improvement and modification It falls into the protection domain of the claims in the present invention.

Claims

1. a kind of bridge architecture multilayer gap-type surge protector, which is characterized in that including：

First terminal, Second terminal, third terminal；

N discharge gap Gn, the n discharge gap Gn are sequentially connected in series between the first terminal and the Second terminal；

M discharge gap G ' m, the m discharge gap G ' m are sequentially connected in series between the Second terminal and the third terminal；

The second electrode of i-th of discharge gap in the n discharge gap Gn and j-th of discharge gap in the m discharge gap G ' m Second electrode connection；

N-1 trigger circuit Z (n-1), the first end of each trigger circuit in the n-1 trigger circuit respectively with it is corresponding The n discharge gap between common end connection, the second end of each trigger circuit in the n-1 trigger circuit is equal It is connect with Second terminal；

M-1 trigger circuit Z ' (m-1), the first end of each trigger circuit in the m-1 trigger circuit respectively with it is right Common end between the m discharge gap answered connects, the second end of each trigger circuit in the m-1 trigger circuit It is connect with Second terminal；

The second end of i-th trigger circuit in the n-1 trigger circuit Z (n-1) and the m-1 trigger circuit Z ' (m- 1) the second end connection of the j-th strip trigger circuit in；

N >=2, m >=2,1≤i ＜ n, 1≤j ＜ m, and n, m, i, j are integer.

2. a kind of bridge architecture multilayer gap-type surge protector, which is characterized in that including：

First terminal, Second terminal, third terminal；

M-1 trigger circuit Z ' (m-1), the first end of each trigger circuit of the m-1 trigger circuit respectively with it is corresponding The m discharge gap between common end connection, the second end of each trigger circuit in the m-1 trigger circuit is equal It is connect with third terminal；

The first end of the i each trigger circuit of trigger circuit Z " i, the i trigger circuit Z " in i respectively with corresponding institute The 1st stated in n discharge gap is connected to the common end between i+1 discharge gap, and each in the i trigger circuit is touched The second end of Power Generation Road is connect with third terminal；

N >=2, m >=2,1≤i ＜ n, 1≤j ＜ m, and n, m, i, j are integer.

3. the bridge architecture multilayer gap-type surge protector according to claim 1 or claim 2, which is characterized in that The trigger circuit is at least capacitor, resistor, resistance-capacitance device, piezoresistor, inductor, thermal resistor, two pole of transient state One kind in pipe or gas-discharge tube combination, the resistance-capacitance device are formed by resistor is in parallel with capacitor.

4. bridge architecture multilayer gap-type surge protector according to claim 2, which is characterized in that further include instruction electricity Road, described indicating circuit one end are connect with the first terminal, and the other end is connect with the Second terminal.

5. bridge architecture multilayer gap-type surge protector according to claim 2, which is characterized in that it is molten to further include first Disconnected device；

The first fuse is connected to the second electrode of i-th of discharge gap in the n discharge gap Gn and described m is discharged Between the second electrode of j-th of discharge gap in gap G ' m.

6. bridge architecture multilayer gap-type surge protector according to claim 2, which is characterized in that it is molten to further include second Disconnected device；

The second fuse is connected between common end and the third terminal of the trigger circuit Z " i.

7. bridge architecture multilayer gap-type surge protector according to claim 3, which is characterized in that the capacitor Capacitance is 50pF~3nF, and withstanding voltage is 100V~10kV.

8. bridge architecture multilayer gap-type surge protector according to claim 1, which is characterized in that the n discharge gap Each discharge gap of Gn and the m discharge gap G ' m are graphic discharge gap.

9. bridge architecture multilayer gap-type surge protector according to claim 8, which is characterized in that the graphic discharge gap Between be provided with insulating annular gasket, the insulating annular gasket is by polytetrafluoroethylene (PTFE), rubber, nylon, mica or Du Pont's paper A kind of material is made.

10. bridge architecture multilayer gap-type surge protector according to claim 9, which is characterized in that the insulating annular The thickness of gasket is 0.1~0.7 millimeter.