CN206117138U - High security multilayer clearance type surge protector - Google Patents
High security multilayer clearance type surge protector Download PDFInfo
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- CN206117138U CN206117138U CN201621061035.7U CN201621061035U CN206117138U CN 206117138 U CN206117138 U CN 206117138U CN 201621061035 U CN201621061035 U CN 201621061035U CN 206117138 U CN206117138 U CN 206117138U
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Abstract
The utility model discloses a high security multilayer clearance type surge protector. Include: the first terminal, second terminal, the individual crack of discharging of n, N establishes ties in the individual crack of discharging in proper order the first terminal with between the second terminal, N 1 strip trigger circuit, N 1 each trigger circuit of strip among the trigger circuit first end respectively with correspond a n common port that discharges between the crack is connected, and the second end all is connected with the second terminal, protective device is used for the disconnection high security multilayer clearance type surge protector and being connected by the protection circuit, wherein, N >= 2, and be the integer.
Description
Technical field
The utility model is related to surge protector field, more particularly to a kind of high security multilayer clearance type surge protection
Device.
Background technology
It is well known that when the surge occurred in circuit is beyond the normal working voltage of electronic equipment on circuit, can break
Bad electronic equipment insulate, and makes the electric charge on circuit discharge along improper path, causes electronic equipment internal that excessively stream, short circuit etc. occur
Phenomenon, finally results in electronic equipment damage.Multilayer gap-type surge protector has been widely used in circuit carries out surge protection.
Existing multilayer gap-type surge protector is made up of multiple discharge gaps and triggers circuit.Multilayer gap-type surge protector is motionless
When making, internal discharge gap is insulated from each other, and whole surge protector is externally presented high-impedance state, does not affect protected circuit to transport
OK.When there is surge to arrive, the trigger circuit triggers discharge gap conducting in multilayer clearance type surge, last whole surge protector
Low resistive state is externally presented, so as to surge energy of releasing.
At present, existing multilayer gap-type surge protector during operation, because surge protector itself deteriorate or occur
The reasons such as overload, discharge gap internal short-circuit, make whole surge protector that low-resistance, even short-circuit condition is externally presented, then to be protected
The electric energy of shield circuit can be continuously applied to surge protector two ends, and surge protector persistently consumes electric energy, cause heating or burn,
So that security is reduced, the normal operation of protected circuit can be finally affected.
Utility model content
To solve above-mentioned technical problem, the utility model provides a kind of high security multilayer gap-type surge protector, bag
Include：The first terminal, Second terminal；
N discharge gap, the n discharge gap is sequentially connected in series between the first terminal and the Second terminal；
N-1 bar triggers circuits, the first end of each triggers circuit in the n-1 bars triggers circuit respectively with it is corresponding
Common port connection between the n discharge gap, the second end is connected with Second terminal；
Protection device, for disconnecting the high security multilayer gap-type surge protector and being protected
The connection of circuit；Wherein, n >=2, and for integer.
Further, the protection device is at least the one kind in disconnector, fuse.
Specifically, the disconnector includes that the first connection conductor, the second connection conductor and connection first connection is led
The solder joint of body and the second connection conductor.
Further, the disconnector also includes force transmission element.
Further, the disconnector also includes separator.
Further, the disconnector also includes at least one spring assembly.Wherein, spring assembly can for compression spring,
Extension spring, torsionspring, butterfly spring, scroll spring or plate-shaped springs.
Further, the discharge gap is at least spark gap, double-gap, gas-discharge tube, symmetrical gas discharge
One kind in pipe.
Further, the triggers circuit is at least capacitor, resistor, resistance-capacitance device, piezo-resistance, thermistor, wink
One kind in state diode or gas-discharge tube, the resistance-capacitance device is composed in parallel by resistor with capacitor.
Further, also including remote signalling warning circuit, for exporting the high security multilayer gap-type surge protector
Status information.
Further, also including status indicating part, for indicating the high security multilayer gap-type surge protector
State.
Preferably, the status indicating part is that window indicates component or indicating circuit.
Beneficial effect：A kind of high security multilayer gap-type surge protector described in the utility model discharge gap with it is outer
Protection device is increased between connecting terminal, thus when overload occurs in the high security multilayer gap-type surge protector, can be led to
Disconnection protection device is crossed, so as to cut off the connection of the high security multilayer gap-type surge protector and protected circuit, protection
The electric energy of circuit no longer flows continuously through high security multilayer gap-type surge protector, protects so as to enhance the surge of multilayer clearance type
The safety of shield device.
A kind of high security multilayer gap-type surge protector described in the utility model also includes status indicating part, can
Indicate the state of the high security multilayer gap-type surge protector；A kind of many lamellar spacings of high security described in the utility model
Type surge protector also includes remote signalling warning circuit, can be defeated by the status information of the high security multilayer gap-type surge protector
Go out to user or status indicating part；So as to further enhancing the safety of the high security multilayer gap-type surge protector.
Description of the drawings
Fig. 1 is basic electrical schematic diagram of the present utility model；
Fig. 2 is the high security multilayer gap-type surge protector electrical schematic diagram in the utility model embodiment 1；
Fig. 3 is the high security multilayer gap-type surge protector electrical schematic diagram in the utility model embodiment 2, be increased
Remote signalling warning circuit；
Fig. 4 is the high security multilayer gap-type surge protector electrical schematic diagram in the utility model embodiment 3, be increased
Remote signalling warning circuit and window indicate component；
Fig. 5 is the high security multilayer gap-type surge protector electrical schematic diagram in the utility model embodiment 4, be increased
Remote signalling warning circuit and indicating circuit；
Fig. 6 is the protection device circuit diagram in the utility model embodiment, wherein, Fig. 6 (a) is disconnector D, and Fig. 6 (b) is
Fuse FU, Fig. 6 (c) connect for disconnector D with fuse FU；
Fig. 7 is the structure principle chart of disconnector in the utility model embodiment, wherein, Fig. 7 (a) is A class disconnector structures,
Fig. 7 (b) is B class disconnector structures, and Fig. 7 (c) is C class disconnector structures, and Fig. 7 (d) is D class disconnector structures, and Fig. 7 (e) is E classes
Disconnector structure, Fig. 7 (f) is F class disconnector structures, and Fig. 7 (g) is G class disconnector structures, and Fig. 7 (h) is H class disconnector structures,
Fig. 7 (i) is I class disconnector structures, and Fig. 7 (j) is J class disconnector structures；
Fig. 8 is the discharge gap structure principle chart in the utility model embodiment, wherein, Fig. 8 (a) be spark gap, Fig. 8
B () is connected for spark gap G with resistance R, Fig. 8 (c) connects for spark gap G with piezo-resistance RV, and Fig. 8 (d) is spark gap G
It is in parallel with capacitor C, Fig. 8 (e) be double-gap G', Fig. 8 (f) be gas-discharge tube V, Fig. 8 (g) be gas-discharge tube V with
Resistance R connects, and Fig. 8 (h) connects for gas-discharge tube V with piezo-resistance RV, Fig. 8 (i) for gas-discharge tube V and capacitor C simultaneously
Connection, Fig. 8 (j) is symmetrical gas-discharge tube V'；
Fig. 9 is the trigger circuit structure schematic diagram in the utility model embodiment, wherein, Fig. 9 (a) is resistor R, Fig. 9
B () is capacitor C, Fig. 9 (c) is piezo-resistance RV, and Fig. 9 (d) is resistance-capacitance device RC, and Fig. 9 (e) is that resistance-capacitance device RC and resistor R goes here and there
Connection, Fig. 9 (f) connects for resistance-capacitance device RC with fuse FU, and Fig. 9 (g) connects for resistance-capacitance device RC with thermistor RT, and Fig. 9 (h) is resistance
Container RC connects with inductance L, and Fig. 9 (i) connects for resistance-capacitance device RC with gas-discharge tube V, and Fig. 9 (j) is resistance-capacitance device RC and pressure-sensitive electricity
Resistance RV series connection, Fig. 9 (k) connects for resistance-capacitance device RC with transient diode VD, Fig. 9 (l) for resistance-capacitance device RC and gas-discharge tube V simultaneously
Connection, Fig. 9 (m) is that resistance-capacitance device RC is in parallel with piezo-resistance RV, and Fig. 9 (n) is that resistance-capacitance device RC is in parallel with transient diode VD；
Figure 10 is remote signalling warning circuit structure principle chart in the utility model embodiment, wherein, Figure 10 (a) is normally closed switch
K1, Figure 10 (b) be normal open switch K2, Figure 10 (c) be break-before-make change-over switch K3, Figure 10 (d) separated change-over switches in being
K4。
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than it is all real
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art under the premise of creative work is not made, institute
The every other embodiment for obtaining, belongs to the utility model protection domain.
A kind of basic circuit structure such as Fig. 1 institutes of high security multilayer gap-type surge protector described in the utility model
Show.Including the first terminal and Second terminal, protection circuit is all connected with；Wherein, protected circuit comprising single phase industrial frequence alternating current circuit,
Three-phase main-frequency alternating current circuit, DC line, signal line.
N discharge gap, is designated as Fi, i=1,2 ..., n, and n discharge gap Fi is sequentially connected in series in the first terminal and Second terminal
Between, it is connected to the electronic equipment outside the first terminal and Second terminal for protection；
N-1 bar triggers circuits, are designated as Zj, j=1,2 ..., each triggers circuit in n-1, n-1 bar triggers circuit Zj
First end connect with the common port between the corresponding n discharge gap Fi neighbouring discharge gaps respectively, n-1 bars triggering electricity
Second end of each triggers circuit in the Zj of road is connected with Second terminal, is respectively used to trigger in the discharge gap Fi
1 to the (n-1)th discharge gap action；
Protection device Y, one end of protection device Y is connected with the first terminal, and the other end connects with the electrode 1 of the first discharge gap F1
Connect, for disconnecting the connection of the high security multilayer gap-type surge protector and protected circuit；
Wherein, n >=2, and for integer.
It is pointed out here that, the discharge gap in all examples below can be any one in circuit shown in Fig. 8.Wherein scheme
8 (a) connects for spark gap G for spark gap G, Fig. 8 (b) with resistance R, Fig. 8 (c) is spark gap G and piezo-resistance RV is gone here and there
Connection, Fig. 8 (d) are that spark gap G is in parallel with capacitor C, Fig. 8 (e) is that double-gap G', Fig. 8 (f) is gas-discharge tube V, schemes
8 (g) connects for gas-discharge tube V with resistance R, Fig. 8 (h) connects for gas-discharge tube V with piezo-resistance RV, Fig. 8 (i) is gas
Discharge tube V is in parallel with capacitor C, Fig. 8 (j) is symmetrical gas-discharge tube V'.Wherein, double-gap G' and symmetrical gas discharge
Pipe V' can arbitrarily select two of which electrode as output.
Especially the spark gap G can be graphite or metal discharge gap, and discharge gap can be Open architecture, alternatively
Enclosed construction.Discharge gap is made up of electrode slice, cross section be circle, rhombus, rectangle, square, triangle, ellipse,
Waist type or polygon, thickness is 1mm～8mm.Preferably discharge gap cross section is circular and waist type, and thickness is 1mm～3mm, often
Individual discharge gap includes being placed with insulating annular pad composition between electrode 1 and electrode 2, and electrode 1 and electrode 2, wherein, insulation
The shape of annular shim is corresponding with the cross section of above-mentioned graphite, you can for annulus, rhombus ring, rectangle ring, square loop, three
Angular ring, vesica piscis, waist type ring or polygon ring, can be by polytetrafluoroethylene (PTFE), rubber, nylon, mica, ceramics or Du Pont's paper
In any one material make, the thickness of insulating annular pad can be 0.1mm～0.7mm, preferably 0.2mm～0.5mm.
Further, triggers circuit can be any one in circuit shown in Fig. 9.Wherein Fig. 9 (a) is resistor R, figure
It is that piezo-resistance RV, Fig. 9 (d) is gone here and there for resistance-capacitance device RC, Fig. 9 (e) for resistance-capacitance device RC and resistor R that 9 (b) is capacitor C, Fig. 9 (c)
Join, Fig. 9 (f) connects for resistance-capacitance device RC with fuse FU, Fig. 9 (g) connects for resistance-capacitance device RC with thermistor RT, Fig. 9 (h) is resistance
Container RC connects with inductance L, Fig. 9 (i) connects for resistance-capacitance device RC with gas-discharge tube V, Fig. 9 (j) is resistance-capacitance device RC and pressure-sensitive electricity
Resistance RV series connection, Fig. 9 (k) connect with transient diode VD for resistance-capacitance device RC, Fig. 9 (l) for resistance-capacitance device RC and gas-discharge tube V simultaneously
Connection, Fig. 9 (m) are that resistance-capacitance device RC is in parallel with piezo-resistance RV, Fig. 9 (n) is in parallel with transient diode VD for resistance-capacitance device RC.Wherein,
The capacitance of capacitor C be 100PF～100nF, preferred 500PF～3nF, withstanding voltage be 100V～10kV, the electricity of resistor R
Resistance be 10k Ω～200M Ω, preferred 500k Ω～20M Ω, power be 1/8W～10W, and in order to ensure triggers circuit in quilt
The electric charge being filled with fully is released within the interval time of lightning impulse, during using resistance-capacitance device, it is preferable that the time constant of its RC
3 times or 4 times or the 5 times or 6 times interval times that should be less than between being struck by lightning twice.
Further, protection device Y can be any one in circuit shown in Fig. 6.Fig. 6 (a) is disconnector D, Fig. 6
B () is fuse FU, Fig. 6 (c) connects for disconnector D with fuse FU.
Especially, the load current value of fuse FU is taken as 0.5A～500A.Preferably, load current value be taken as 63A～
160A。
Specifically, disconnector D can be any one in circuit shown in Fig. 7.Wherein, Fig. 7 (a) is A classes disconnector knot
Structure, including the first connection conductor 1, second connection conductor 2 and the weldering for the connection connection conductor 2 of conductor 1 and second of connection first
Point 3.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection connection conductor 2 of conductor 1 and second connection end is in the horizontal direction same plane, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with connection end interstitial site, so that the first connection conductor
1 and second produces gap between connection conductor 2 connection end, and now the first connection conductor 1 and second connection conductor 2 is in disconnecting shape
State.
Fig. 7 (b) be B class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 41 and use
Connect the solder joint 3 that conductor 1 and second connects conductor 2 in connection first.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection connection conductor 2 of conductor 1 and second connection end is in the horizontal direction same plane, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.Spring assembly 41 is connected conductor 1 and connects with first, preserves elastic.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with the connection end interstitial site, makes the first connection conductor
1 and second produces gap between connection conductor 2 connection end, and now the first connection conductor 1 and second connection conductor 2 is in disconnecting shape
State.
After the fusing of solder joint 3, the elastic force release of preservation further increases first and connects conductor 1 and second spring assembly 41
Clearance distance between connection conductor 2 connection end.
Fig. 7 (c) be C class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 41, spring
Component 42 and the solder joint 3 for connecting the connection conductor 2 of conductor 1 and second for connection first.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection connection conductor 2 of conductor 1 and second connection end is in the horizontal direction same plane, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.Spring assembly 41 is connected conductor 1 and connects with first, preserves elastic.Spring
Component 42 is connected conductor 2 and connects with second, preserves elastic.
During disconnector D actions, solder joint fusing, it is impossible to be filled up completely with the connection end interstitial site, make the first connection conductor 1
And second produce gap between connection conductor 2 connection end, now the first connection conductor 1 and second connection conductor 2 is in disconnecting shape
State.
After the fusing of solder joint 3, the elastic force release of preservation further increases first and connects for spring assembly 41 and spring assembly 42
Clearance distance between the connection conductor 2 of conductor 1 and second connection end.
Fig. 7 (d) be D class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 43, isolation
Part 51 and the solder joint 3 for connecting the connection conductor 2 of conductor 1 and second for connection first.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection connection conductor 2 of conductor 1 and second connection end is in the horizontal direction same plane, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.Spring assembly 43 is connected with separator 51, preserves elastic.Separator 51 is put
In the first connection connection connection end interstitial site of conductor 2 of conductor 1 and second, but connection end can not be placed in because solder joint 3 is unfused
Among gap.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with the connection end interstitial site, makes the first connection conductor
1 and second produces gap between connection conductor 2 connection end, and now the first connection conductor 1 and second connection conductor 2 is in disconnecting shape
State.After the fusing of solder joint 3, the elastic force release of preservation drives separator 51 to move to spring assembly 43, is placed in the first connection conductor 1
Be connected with second between the connection of conductor 2 splaying, increase between the first connection conductor 1 and the second connection conductor 2 it is electric away from
From, connect conductor 2 so as to isolate the first connection conductor 1 and second, play arc extinguishing effect.
Fig. 7 (e) be E class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 45, power transmission
Part 611 and the solder joint 3 for connecting the connection conductor 2 of conductor 1 and second for connection first.Wherein, force transmission element 61 is used to make in spring
With under, connection conductor 1 is driven to move, so as to change the size and Orientation of the motoricity of the first connection conductor 1.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection connection conductor 2 of conductor 1 and second connection end is in the horizontal direction same plane, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in the connection end interstitial site, and now first connects
Connect the connection conductor 2 of conductor 1 and second and be in connection status.Spring assembly 45 is connected with force transmission element 61, preserves elastic.Force transmission element
61 are connected conductor 1 with first connects.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with connection end interstitial site, makes the He of the first connection conductor 1
Gap is produced between second connection conductor 2 connection end, now the first connection connection conductor 2 of conductor 1 and second is off.
After the fusing of solder joint 3, the elastic force release of preservation drives force transmission element 61 to move, so as to drive first to spring assembly 45
Connection conductor 1 is moved, and changes the first size and Orientation for connecting the power of conductor 1, and further increasing first connects conductor 1 and second and connects
Connect the clearance distance between the connection end of conductor 2.
Fig. 7 (f) be F class disconnector structures, including first connection conductor 1, second connection conductor 2 and for connection first connect
Connect the solder joint 3 that conductor 1 and second connects conductor 2.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection connection of conductor 1 and second conductor 2 is in vertical direction same plane, the first connection He of conductor 1
Second connection conductor 2 connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, now the first connection He of conductor 1
Second connection conductor 2 is in connection status.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with connection end interstitial site, makes the He of the first connection conductor 1
Gap is produced between second connection conductor 2 connection end, now the first connection connection conductor 2 of conductor 1 and second is off.
Fig. 7 (g) be G class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 41 and use
Connect the solder joint 3 that conductor 1 and second connects conductor 2 in connection first.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection conductor 1 and second connection connection end of conductor 2 is in same plane in vertical direction, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.Spring assembly 41 is connected conductor 1 and connects with first, preserves elastic.
During disconnector D actions, solder joint fusing, it is impossible to be filled up completely with connection end interstitial site makes the first connection conductor 1 and the
Gap is produced between two connection conductor 2 connection ends, now the first connection connection conductor 2 of conductor 1 and second is off；Bullet
After the fusing of solder joint 3, the elastic force release of preservation, the further connection of increasing first conductor 1 is connected conductor 2 and connects spring component 41 with second
Connect the clearance distance between end.
Fig. 7 (h) be H class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 41, spring
Component 42 and the solder joint 3 for connecting the connection conductor 2 of conductor 1 and second for connection first.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection conductor 1 and second connection connection end of conductor 2 is in same plane in vertical direction, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.Spring assembly 41 is connected conductor 1 and connects with first, preserves elastic.Spring
Component 42 is connected conductor 2 and connects with second, preserves elastic.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with connection end interstitial site, makes the He of the first connection conductor 1
Gap is produced between second connection conductor 2 connection end, now the first connection connection conductor 2 of conductor 1 and second is off；
Spring assembly 41 and spring assembly 42 after the fusing of solder joint 3, the elastic force release of preservation, further increase first connect conductor 1 with
Clearance distance between second connection conductor 2 connection end.
Fig. 7 (i) be I class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 44, isolation
Part 52 and the solder joint 3 for connecting the connection conductor 2 of conductor 1 and second for connection first.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection conductor 1 and second connection connection end of conductor 2 is in same plane in vertical direction, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.Spring assembly 44 is connected with separator 52, preserves elastic.Separator 52 is put
In the first connection connection connection end interstitial site of conductor 2 of conductor 1 and second, but connection end can not be placed in because solder joint 3 is unfused
Among gap.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with connection end interstitial site, makes the He of the first connection conductor 1
Gap is produced between second connection conductor 2 connection end, now the first connection connection conductor 2 of conductor 1 and second is off.
After the fusing of solder joint 3, the elastic force release of preservation drives separator 52 to move to spring assembly 44, is placed in the first connection
Between the connection connection of conductor 2 of conductor 1 and second splaying, the electricity between the first connection conductor 1 and the second connection conductor 2 is increased
Gas distance, plays arc extinguishing effect.
Fig. 7 (j) be J class disconnector structures, including first connection conductor 1, second connection conductor 2, spring assembly 45, power transmission
Part 61 and the solder joint 3 for connecting the connection conductor 2 of conductor 1 and second for connection first.
The first connection connection conductor 2 of conductor 1 and second is the terminal that disconnector D connects external devices.Wherein, disconnector D
When not operating, the first connection conductor 1 and second connection connection end of conductor 2 is in same plane in vertical direction, and the first connection is led
The connection conductor 2 of body 1 and second connection end keeps certain interval, solder joint 3 to be filled in connection end interstitial site, and now the first connection is led
The connection conductor 2 of body 1 and second is in connection status.Spring assembly 45 is connected with force transmission element 61, preserves elastic.Force transmission element 61 with
Firstth connection conductor 1 connects.
During disconnector D actions, solder joint 3 melts, it is impossible to be filled up completely with connection end interstitial site, makes the He of the first connection conductor 1
Gap is produced between second connection conductor 2 connection end, now the first connection connection conductor 2 of conductor 1 and second is off.
After the fusing of solder joint 3, the elastic force release of preservation drives force transmission element 61 to move, so as to drive first to spring assembly 45
Connection conductor 1 is moved, and changes the first size and Orientation for connecting the power of conductor 1, and further increasing first connects conductor 1 and second and connects
Connect the clearance distance between the connection end of conductor 2.
Especially, separator 51 and separator 52 are insulating materials, can be cardboard, plastics, rubber, mica, polytetrafluoro
Ethene, is shaped as column or sheet；Force transmission element 61 is conductive material or insulating materials, preferably insulating materials, and insulating materials can
For cardboard, plastics, rubber, mica, polytetrafluoroethylene (PTFE), column or sheet are shaped as；
Solder joint 3 can be leypewter solder stick, pure tin solder stick, gun-metal solder stick, SAC solder stick, tin
The solder stick of bismuth alloy solder stick, tin-nickel alloy solder stick and special Sn-containing alloy material adds the concrement formed after heat fusing,
Scolding tin can be made up of tin alloy and auxiliary agent two parts, and the fusion temperature threshold value of solder joint 3 is taken as 60 DEG C～500 DEG C, it is preferable that solder joint
3 fusion temperature threshold value is 90 DEG C～200 DEG C, and the shape of solder joint can be circle, rhombus, rectangle, square, triangle, ellipse
Circular, waist type or polygonal one kind, wherein square solder joint length is 1mm～12mm, preferably 3mm～6mm, square solder joint width
Spend for 1mm～12mm, preferably 3mm～6mm；The first connection conductor 1, second in disconnector D connects the cross sectional shape of conductor 2
Preferably strip.Length can be 1mm～30mm, preferably 5mm～15mm, width be 1mm～10mm, preferably 3mm～
8mm；
Spring assembly 41, spring assembly 42 in disconnector D, spring assembly 43, spring assembly 44, spring assembly 45 can be
One kind in compression spring, extension spring, torsionspring, butterfly spring, scroll spring or plate-shaped springs, its external diameter can be 1mm
～10mm, preferably 1.5mm～3mm, spring assembly length is 1mm～30mm, preferably 8mm～20mm, and spring tension is
0.5N～20N, preferably 1N～5N.
Embodiment 1,
In the present embodiment, a kind of high security multilayer gap-type surge protector circuit structure as shown in Fig. 2 including：Two
Individual external terminal：L (phase line) terminals and N (neutral conductor) terminal, for connecting protected circuit (electronic equipment)；
8 discharge gaps are spark gap G1～G8, specifically, 8 spark gap G1～G8 be sequentially connected in series N (in
Property line) between terminal and protection device；
7 triggers circuit Z1～Z7 are the resistance-capacitance device of resistor composition in parallel with capacitor.Specifically, the 1st article of triggering
Circuit Z1 is made up of C1 and R1 parallel connections, and its one end is connected with the common port of spark gap G1, G2, the 2nd article of triggers circuit by C2 and
R2 is in parallel to be constituted, and its one end is connected with the common port of spark gap G2, G3 ... ..., by that analogy, the 6th article of triggers circuit Z6 by
C6 and R6 is in parallel to be constituted, and its one end is connected with the common port of spark gap G6, G7, and the 7th article of triggers circuit Z7 is in parallel by C7 and R7
Constitute, its one end is connected with the common port of spark gap G7, G8, second end of above-mentioned 7 triggers circuit Z1～Z7 and after connecing again
It is connected with N (neutral conductor) terminal；
Protection device is disconnector D, is specifically as follows any one in circuit as shown in Figure 7.Specifically, disconnector D
One end be connected with the electrode 1 of the first spark gap G1, the other end is connected with L (phase line) terminal, many for disconnecting high security
The connection of lamellar spacing type surge protector and protected circuit；
During normal work, when surge occurs in the circuit between L lines and N lines, above-mentioned 7 triggers circuit Z1～Z7 are touched respectively
Spark jump clearance G 1～G7 actions, then spark gap G1～G7 be both turned on, thereafter surge voltage is just applied to spark gap G8's
Two ends so that spark gap G8 is turned on, and so as to spark gap G1～G8 becomes low-resistance, ultimately forms overvoltage leadage circuit,
So as to the surge scurried between circuit L-N is limited in the voltage range that protected circuit (electronic equipment) can bear,
Realize the protection of the protected circuit (electronic equipment) to being connected between L lines and N lines；
When element deterioration or voltage overload in the high security multilayer gap-type surge protector, can cause between spark
Gap presents low resistive state (short circuit when serious), and spark gap generates heat, and its heat transfer gives disconnector D, while electric current stream
The solder joint 3 crossed in disconnector D, solder joint 3 itself also produces heat when electric current is flow through, when the own temperature of solder joint 3 exceedes its fusing point
When, the melted by heat of solder joint 3 or evaporation, it is impossible to be filled up completely with the first connection conductor 1 and the second connection connection end gap digit of conductor 2
Put, make to produce gap between the first connection conductor 1 and the second connection conductor 2 connection end, now the first connection conductor 1 and second connects
Connect conductor 2 to be off, so as to the electric energy of protected circuit no longer flows continuously through the high security multilayer clearance type surge
Protector, also just protects the high security multilayer gap-type surge protector, then protected circuit can normally run.
It should be noted that in example 2 below, embodiment 3 and embodiment 4, increased remote signalling warning circuit A, use
In the status information of output surge protector.Status indicating part is increased in embodiment 3 and embodiment 4, wherein in embodiment 3
Status indicating part be window indicate component, the status indicating part in embodiment 4 be indicating circuit.
Wherein remote signalling warning circuit A can be any one in circuit shown in Figure 10.Specifically, Figure 10 (a) is normally closed
Switch K1 (having two output terminals As 1 being connected with subscribers' line and A2), Figure 10 (b) are that normal open switch K2 (has two with user's line
Road connection output terminals A 1 and A2), Figure 10 (c) (have three outputs being connected with subscribers' line for break-before-make change-over switch K3
End A1, A2 and A3), Figure 10 (d) separated change-over switch K4 in being (output terminals A 1, A2 that has three to be connected with subscribers' line and
A3), the parameter of wherein remote signalling warning circuit A is：Alternating voltage 5V～380V, alternating current is 2mA～10A；DC voltage 5V
～100V, DC current is 2mA～10A.Preferably alternating voltage 24V～250V, alternating current is 10mA～0.5A；Direct current
Voltage 24V～60V, DC current is 10mA～2A.
Embodiment 2：
In the present embodiment, a kind of high security multilayer gap-type surge protector circuit structure is as shown in figure 3, including two
External terminal：L (phase line) terminals and N (neutral conductor) terminal, for connecting protected circuit (electronic equipment)；
8 discharge gaps are spark gap G1～G8, specifically, 8 spark gap G1～G8 be sequentially connected in series N (in
Property line) between terminal and protection device；
7 triggers circuit Z1～Z7 are the resistance-capacitance device of resistor composition in parallel with capacitor.Specifically, the 1st article of triggering
Circuit Z1 is made up of C1 and R1 parallel connections, and its one end is connected with the common port of spark gap G1, G2, the 2nd article of triggers circuit by C2 and
R2 is in parallel to be constituted, and its one end is connected with the common port of spark gap G2, G3 ... ..., by that analogy, the 6th article of triggers circuit Z6 by
C6 and R6 is in parallel to be constituted, and its one end is connected with the common port of spark gap G6, G7, and the 7th article of triggers circuit Z7 is in parallel by C7 and R7
Constitute, its one end is connected with the common port of spark gap G7, G8, second end of above-mentioned 7 triggers circuit Z1～Z7 and after connecing again
It is connected with N (neutral conductor) terminal；
Protection device is disconnector D, is specifically as follows any one in circuit as shown in Figure 7.Specifically, disconnector D
One end be connected with the electrode 1 of the first spark gap G1, the other end is connected with L (phase line) terminal, for disconnecting the high security
The connection of multilayer gap-type surge protector and protected circuit；
Remote signalling warning circuit A is normally closed switch K1, and its output terminals A 1 and A2 are all connected with subscriber's line circuit.
During normal work, when surge occurs in the circuit between L lines and N lines, above-mentioned 7 triggers circuit Z1～Z7 are touched respectively
Spark jump clearance G 1～G7 actions, then spark gap G1～G7 be both turned on, thereafter surge voltage is just applied to spark gap G8's
Two ends so that spark gap G8 is turned on, and so as to spark gap G1～G8 becomes low-resistance, ultimately forms overvoltage leadage circuit,
So as to the surge scurried between circuit L-N is limited in the voltage range that protected circuit (electronic equipment) can bear,
Realize the protection of the protected circuit (electronic equipment) to being connected between L lines and N lines；
When element deterioration or voltage overload in the high security multilayer gap-type surge protector, can cause between spark
Gap presents low resistive state (short circuit when serious), and spark gap generates heat, and its heat transfer gives disconnector D, while electric current stream
The solder joint 3 crossed in disconnector D, solder joint 3 itself produces heat, and when the own temperature of solder joint 3 exceedes its fusing point, solder joint 3 is heated
Change or evaporate, it is impossible to be filled up completely with the first connection conductor 1 and the second connection connection end interstitial site of conductor 2, lead the first connection
The connection conductor 2 of body 1 and second produces gap between connection end, and now the first connection connection conductor 2 of conductor 1 and second is in disconnection
State, so as to the electric energy of protected circuit no longer flows continuously through the high security multilayer gap-type surge protector, also just protects
The high security multilayer gap-type surge protector, then protected circuit can normally run.
At the same time, solder joint 3 drives the mechanical device linkage on disconnector D, wherein mechanical device in course of action
For power bar (can be equal proportion power transmission, reinforcement or subtract one kind of the structure of power), the power bar may be mounted at the in disconnector D
On one connection conductor 1 or second connection conductor 2 or spring assembly or force transmission element, mechanical force is exported to the switch in normally closed switch K1
Moving plate, switch moving plate is moved and causes normally closed switch K1 to go off state, and output state information to user's electricity from normally off
Road, then user can learn that the high security multilayer gap-type surge protector or/and protection device (depart from from remote signals
Device D) state.
Embodiment 3,
In the present embodiment, a kind of high security multilayer gap-type surge protector circuit structure is as shown in figure 4, including two
External terminal：L (phase line) terminals and N (neutral conductor) terminal, for connecting protected circuit (electronic equipment)；
8 discharge gaps are spark gap G1～G8, and specifically, 8 spark gap G1～G8 are sequentially connected in series in L (phases
Line) between terminal and protection device；
7 triggers circuit Z1～Z7 structures are identical and are resistance-capacitance device, and resistance-capacitance device is constituted by resistor is in parallel with capacitor.
1st article triggers circuit Z1 is made up of C1 and R1 parallel connections, and its one end is connected with the common port of spark gap G1, G2, the 2nd article of triggering electricity
Route C2 and R2 is in parallel to be constituted, and its one end is connected with the common port of spark gap G2, G3 ... ..., by that analogy, the 6th article of triggering
Circuit Z6 is made up of C6 and R6 parallel connections, and its one end is connected with the common port of spark gap G6, G7, and the 7th article of triggers circuit Z7 is by C7
In parallel with R7 to constitute, its one end is connected with the common port of spark gap G7, G8, second end of above-mentioned 7 triggers circuit Z1～Z7
And be connected with the electrode 2 of the 8th spark gap G8 again after connecing；
Protection device is disconnector D, is specifically as follows any one in circuit as shown in Figure 7.Specifically, disconnector D
One end be connected with the electrode 2 of the 8th spark gap G8, the other end is connected with N (neutral conductor) terminal, for disconnecting the high security
The connection of multilayer gap-type surge protector and protected circuit；
Remote signalling warning circuit A is normal open switch K2, and its output terminals A 1 and A2 are all connected with subscriber's line circuit or window indicates component.
Window indicates that component is frame for movement, and it is made up of upper and lower two-layer with color indicator board and load transfer device, upper strata
For green indicator board, lower floor is red indicator board, and its load transfer device is connected with the mechanical linkage on disconnector D.
During normal work, disconnector D is failure to actuate, and window indicates that component shows upper strata green indicator board；Simultaneously as L lines and N
When surge occurs in circuit between line, above-mentioned 7 triggers circuits Z1～Z7 distinguishes pilot spark clearance G 1～G7 actions, then spark
1～G7 of clearance G is both turned on, and thereafter surge voltage is just applied to the two ends of spark gap G8 so that spark gap G8 is turned on, so as to
Spark gap G1～G8 becomes low-resistance, ultimately forms overvoltage leadage circuit, so as to scurry into the surge between circuit L-N
It is limited in the voltage range that protected circuit (electronic equipment) can bear, realizes to being connected to being protected between L lines and N lines
The protection of circuit (electronic equipment)；
When element deterioration or voltage overload in the high security multilayer gap-type surge protector, can cause between spark
Gap presents low resistive state (short circuit when serious), and spark gap generates heat, and its heat transfer gives disconnector D, while electric current stream
The solder joint 3 crossed in disconnector D, solder joint 3 itself produces heat, and when the own temperature of solder joint 3 exceedes its fusing point, solder joint 3 is heated
Change or evaporate, it is impossible to be filled up completely with the first connection conductor 1 and the second connection connection end interstitial site of conductor 2, lead the first connection
The connection conductor 2 of body 1 and second produces gap between connection end, and now the first connection connection conductor 2 of conductor 1 and second is in disconnection
State, so as to the electric energy of protected circuit no longer flows continuously through the high security multilayer gap-type surge protector, also just protects
The high security multilayer gap-type surge protector, then protected circuit can normally run.
At the same time, solder joint 3 drives the mechanical device linkage on disconnector D, wherein mechanical device in course of action
Can be power bar (can be equal proportion power transmission, reinforcement or the one kind for the structure for subtracting power), the power bar may be mounted in disconnector D
First connection conductor 1 or second connection conductor 2 or spring assembly or force transmission element on, export mechanical force in normal open switch K2
Switch moving plate, switch moving plate is moved and causes normal open switch K2 switches to be changed into closure state, and output state information from normally open
Component is indicated to subscriber's line circuit or window, while the power bar drives window to indicate the green indicator board displacement in component, then window
Indicate that component shows lower floor's redness indicator board, represent that the high security multilayer gap-type surge protector is in failure state.
Obviously, can indicate that the color of component indicates the high security multilayer clearance type that the utility model is provided by window
The working condition of surge protector, wherein, normal condition may include the normal work of high security multilayer gap-type surge protector
Make state and, protection device is without departing from state；Failure state may include the high security multilayer gap-type surge protector protection
Device disengaged position, protection device failure state or protection device malfunction.
Embodiment 4,
In the present embodiment, high security multilayer gap-type surge protector circuit structure is as shown in figure 5, external including two
Terminal：L (phase line) terminals and N (neutral conductor) terminal, for connecting protected circuit (electronic equipment)；
8 discharge gaps are spark gap G1～G8, and specifically, 8 spark gap G1～G8 are sequentially connected in series in protection
Between device and N (neutral conductor) terminal；
7 triggers circuit Z1～Z7 are the resistance-capacitance device of resistor composition in parallel with capacitor.1st article of triggers circuit Z1 by
C1 and R1 is in parallel to be constituted, and its one end is connected with the common port of spark gap G1, G2, and the 2nd article of triggers circuit is by C2 and R2 parallel connection structures
Into its one end is connected with the common port of spark gap G2, G3 ... ..., by that analogy, the 6th article of triggers circuit Z6 by C6 and R6 simultaneously
Connection is constituted, and its one end is connected with the common port of spark gap G6, G7, and the 7th article of triggers circuit Z7 is made up of C7 and R7 parallel connections, one
End is connected with the common port of spark gap G7, G8, second end of above-mentioned 7 triggers circuit Z1～Z7 and after connecing again with N (neutrality
Line) terminal connection；
Protection device is disconnector D, is specifically as follows any one in circuit as shown in Figure 7.Specifically, disconnector D
One end be connected with the electrode 1 of the 1st spark gap G1, the other end is connected with L (neutral conductor) terminal, for disconnecting the high security
The connection of multilayer gap-type surge protector and protected circuit；
Remote signalling warning circuit A is normal open switch K2, and its output terminals A 1 and A2 are all connected with subscriber's line circuit；
Indicating circuit includes fuse FU11, decompression capacitor C101, bleeder resistance R101, current-limiting resistance R111, rectification two
Pole pipe VD1, protection diode VD2, light emitting diode VL1, current-limiting inductance L1, wherein, bleeder resistance R101 and decompression capacitor
C101 is connected in parallel composition RC circuits, and RC circuit on one side is connected with one end of fuse FU11, the other end of fuse FU11 and
The electrode 1 of the 1st spark gap G1 connects, and the RC circuits other end is connected with one end of current-limiting resistance R111, current-limiting resistance R111's
The other end is connected with the negative pole of protection diode VD2, the positive pole of commutation diode VD1.The negative pole of commutation diode VD1 with it is luminous
The positive pole connection of diode VL1, the negative pole of light emitting diode VL1 is connected with the positive pole of protection diode VD2, and while and current limliting
One end connection of inductance L1, the other end of current-limiting inductance L1 is connected with N-terminal.
During normal work, indicating circuit is connected conductive luminous diode VL1 and is lighted, while when the circuit between L lines and N lines
When there is surge, above-mentioned 7 triggers circuits Z1～Z7 difference pilot spark clearance G 1～G7 actions, then spark gap G1～G7 is equal
Conducting, thereafter surge voltage is just applied to the two ends of spark gap G8 so that spark gap G8 turn on, so as to spark gap G1～
G8 becomes low-resistance, ultimately forms overvoltage leadage circuit, is protected so as to the surge scurried between circuit L-N be limited in
In the voltage range that circuit (electronic equipment) can bear, realize that (electronics sets to the protected circuit that is connected between L lines and N lines
It is standby) protection；
When element deterioration or voltage overload in the high security multilayer gap-type surge protector, spark gap can be caused
Low resistive state (short circuit when serious) is presented, spark gap generates heat, and its heat transfer gives disconnector D, while electric current flows through
Solder joint 3 in disconnector D, solder joint 3 itself produces heat, when the own temperature of solder joint 3 exceedes its fusing point, the melted by heat of solder joint 3
Or evaporation, then the connection of whole discharge gap and L terminals is disconnected, so as to the electric energy of protected circuit no longer flows continuously through the high safety
Property multilayer gap-type surge protector, also just protects the high security multilayer gap-type surge protector, then protected circuit
Can normally run, after simultaneously switching off the connection of whole discharge gap and L terminals, indicating circuit disconnects light emitting diode VL1 and extinguishes.
Obviously, indicate that the high security that the utility model is provided is more by the change of the light emitting diode VL1 of indicating circuit
The working condition of lamellar spacing type surge protector.
At the same time, solder joint 3 drives the mechanical device linkage on disconnector D, wherein mechanical device in course of action
Can be power bar (can be equal proportion power transmission, reinforcement or the one kind for the structure for subtracting power), the power bar may be mounted in disconnector D
First connection conductor 1 or second connection conductor 2 or spring assembly or transmission rod on, export mechanical force in normal open switch K2
Switch moving plate, switch moving plate is moved and causes normal open switch K2 switches to be changed into closure state, and output state information from normally open
To subscriber's line circuit, then user can learn the high security multilayer gap-type surge protector or/and protection from remote signals
The state of device (disconnector D).
From foregoing description it can be seen that a kind of high security multilayer gap-type surge protector of the utility model offer, fits
Answer temperature range big, and reliable operation, so as to have wider applicability.
It is more than that a kind of high security multilayer gap-type surge protector provided by the utility model has been carried out in detail
Introduce.Specific embodiment used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand method of the present utility model and its core concept.It should be pointed out that for the art
For those of ordinary skill, on the premise of without departing from the utility model principle, some changing can also be carried out to the utility model
Enter and modify, these are improved and modification is also fallen in the utility model scope of the claims.
Claims (10)
1. a kind of high security multilayer gap-type surge protector, including：The first terminal, Second terminal；N discharge gap, the n
Individual discharge gap is sequentially connected in series between the first terminal and the Second terminal；N-1 bar triggers circuits, the n-1 bars triggering
The first end of each triggers circuit in circuit connects respectively with the common port between the corresponding n discharge gap, and second
End is connected with Second terminal；Characterized in that, also include protection device, for disconnecting the high security multilayer clearance type electricity
The connection of surge protector and protected circuit；Wherein, n >=2, and for integer.
2. high security multilayer gap-type surge protector according to claim 1, it is characterised in that the protection device
One kind at least in disconnector, fuse.
3. high security multilayer gap-type surge protector according to claim 2, it is characterised in that the disconnector bag
Include the first connection conductor, the second connection conductor and connect the solder joint of the first connection conductor and the second connection conductor.
4. high security multilayer gap-type surge protector according to claim 3, it is characterised in that the disconnector is also
Including force transmission element.
5. high security multilayer gap-type surge protector according to claim 3, it is characterised in that the disconnector is also
Including separator.
6. high security multilayer gap-type surge protector according to claim 3, it is characterised in that the disconnector is also
Including at least one spring assembly.
7. high security multilayer gap-type surge protector according to claim 1, it is characterised in that the discharge gap is extremely
It is less the one kind in spark gap, double-gap, gas-discharge tube, symmetrical gas-discharge tube.
8. high security multilayer gap-type surge protector according to claim 1, it is characterised in that the triggers circuit
One kind at least in capacitor, resistor, resistance-capacitance device, piezo-resistance, thermistor, transient diode or gas-discharge tube,
The resistance-capacitance device is composed in parallel by resistor with capacitor.
9. high security multilayer gap-type surge protector according to claim 1, it is characterised in that also accuse including remote signalling
Alert circuit, for exporting the status information of the high security multilayer gap-type surge protector.
10. high security multilayer gap-type surge protector according to claim 1, it is characterised in that also including state
Indicate indicator, for indicating the state of the high security multilayer gap-type surge protector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061035.7U CN206117138U (en) | 2016-09-18 | 2016-09-18 | High security multilayer clearance type surge protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061035.7U CN206117138U (en) | 2016-09-18 | 2016-09-18 | High security multilayer clearance type surge protector |
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| CN206117138U true CN206117138U (en) | 2017-04-19 |
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ID=58520012
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257786A (en) * | 2016-09-18 | 2016-12-28 | 四川中光防雷科技股份有限公司 | A kind of high security multilamellar gap-type surge protector |
| CN108054744A (en) * | 2018-01-30 | 2018-05-18 | 四川中光防雷科技股份有限公司 | A kind of multipole multilayer gap-type surge protector |
| CN108063432A (en) * | 2018-01-30 | 2018-05-22 | 四川中光防雷科技股份有限公司 | A kind of high stability multipole multilayer gap-type surge protector |
| CN109510184A (en) * | 2018-11-28 | 2019-03-22 | 厦门赛尔特电子有限公司 | A kind of surge protection device and system |
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2016
- 2016-09-18 CN CN201621061035.7U patent/CN206117138U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257786A (en) * | 2016-09-18 | 2016-12-28 | 四川中光防雷科技股份有限公司 | A kind of high security multilamellar gap-type surge protector |
| CN106257786B (en) * | 2016-09-18 | 2020-07-28 | 四川中光防雷科技股份有限公司 | High-safety multilayer gap type surge protection device |
| CN108054744A (en) * | 2018-01-30 | 2018-05-18 | 四川中光防雷科技股份有限公司 | A kind of multipole multilayer gap-type surge protector |
| CN108063432A (en) * | 2018-01-30 | 2018-05-22 | 四川中光防雷科技股份有限公司 | A kind of high stability multipole multilayer gap-type surge protector |
| CN108054744B (en) * | 2018-01-30 | 2024-05-14 | 四川中光防雷科技股份有限公司 | Multipole multilayer clearance type surge protector |
| CN109510184A (en) * | 2018-11-28 | 2019-03-22 | 厦门赛尔特电子有限公司 | A kind of surge protection device and system |
| WO2020108035A1 (en) * | 2018-11-28 | 2020-06-04 | 厦门赛尔特电子有限公司 | Surge protection device and system |
| CN109510184B (en) * | 2018-11-28 | 2024-04-02 | 厦门赛尔特电子有限公司 | Surge protection device and system |
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