CN104283203B - Preionization multi-clearance ceramet gas discharge tube overvoltage protection - Google Patents
Preionization multi-clearance ceramet gas discharge tube overvoltage protection Download PDFInfo
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- CN104283203B CN104283203B CN201410525716.3A CN201410525716A CN104283203B CN 104283203 B CN104283203 B CN 104283203B CN 201410525716 A CN201410525716 A CN 201410525716A CN 104283203 B CN104283203 B CN 104283203B
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Abstract
Preionization multi-clearance ceramet gas discharge tube overvoltage protection, is related to power-supply system overvoltage protection technology.Including multi-clearance ceramet gas discharge tube and pulse transformer；Multi-clearance ceramet gas discharge tube has termination electrode A and termination electrode A ', also with n target；The secondary coil of pulse transformer includes the parallel combination of n subcoil, n resistance and electric capacity, and each subcoil is in series with the parallel combination of a resistance capacitance and is referred to as coil capacitance-resistance and combines, and n coil capacitance-resistance combination is in series；The tail end that each target is combined with the coil capacitance-resistance of same sequence number correspondingly is conductively connected；The primary coil of pulse transformer is concatenated with a resistance with the parallel combination and a switching device of electric capacity.Combined using switching device starting impulse primary loop, after boosting by pulse transformer secondary subcoil capacitance-resistance and put on Multiple level discharge tube simultaneously, make its all gap while puncturing, to reduce limitation voltage, improve level of protection.
Description
Technical field
The present invention relates to power-supply system overvoltage protection technology, more particularly to preionization multi-clearance ceramet gas discharge
Pipe overvoltage protection.
Background technology
Multi-clearance ceramet gas discharge tube（Hereinafter referred to as M-GDT）Including termination electrode A and termination electrode A ', in addition to n
Individual target K1~Kn, wherein n >=1, while provided with three independent gaps between two adjacent electrodes of the M-GDT.M-GDT
Than single gap gas-discharge tube（Hereinafter referred to as GDT）Through-current capability is big, residual voltage is low, good without afterflow, reliability height and stability.With
M-GDT is critical piece, can make up overvoltage protective unit, and multiple such overvoltage protective units, which can make up power supply, to be prevented
Thunder device（Also known as arrester or Surge Protector）.
Chinese patent discloses multi-clearance ceramet gas discharge tube over-voltage protection module（Publication number
101753858B）, the termination electrode A of multi-clearance ceramet gas discharge tube and the phase line L of power supply be conductively connected, multi-gap metal
The termination electrode A ' of the ceramic gas discharge tube and zero line N of power supply（Or protecting field PE）It is conductively connected；Multi-gap metal gas discharge
Target K1~Kn of pipe is conductively connected with piezo-resistance MOV1~MOVn respectively, the piezo-resistance MOV1~MOVn other end
It is conductively connected with the termination electrode A or termination electrode A ' of multi-gap metal gas discharge tube（As shown in Figure 1）.The multi-clearance ceramet
Gas-discharge tube over-voltage protection module has the following disadvantages：
Multi-clearance ceramet gas discharge tube is used in series equivalent to multiple discharge tubes, the gap A- of its adjacent electrode
K1, K1-K2 ..., Kn-A ' sequentially turns on（Piezo-resistance MOV1~MOVn the other end and multi-gap metal gas discharge tube
Termination electrode A be conductively connected）, or A '-K1, K1-K2 ..., Kn-A sequentially turns on（Piezo-resistance MOV1~MOVn the other end
It is conductively connected with the termination electrode A ' of multi-gap metal gas discharge tube）, it is interelectrode equivalent to A-K1 or A '-K1 that it limits voltage
Pulse breakdown voltage.Although A-K1 or the interelectrode pulse breakdown voltages of A '-K1 will than the pulse breakdown voltage between GDT termination electrode
It is much lower, but A-K1 or the interelectrode pulse breakdown voltages of A '-K1, due to piezo-resistance MOV pressure ratio presence, limitation voltage is also
It is very high, level of protection or relatively low.It can be seen that, the limitation electricity of above-mentioned clearance ceramet gas discharge tube over-voltage protection module
Pressure is still very high, while piezo-resistance also has disaster hidden-trouble when heat departs from unreliable.
The content of the invention
The technical problem to be solved in the invention is to overcome above-mentioned multi-clearance ceramet gas discharge tube overvoltage protection
The deficiency that limitation voltage is higher, level of protection is relatively low that module is present is put there is provided a kind of preionization multi-clearance ceramet gas
Fulgurite overvoltage protection, it limits voltage and substantially reduced, and level of protection is significantly improved.
For this, preionization multi-clearance ceramet gas discharge tube overvoltage protection of the present invention uses the following two kinds
Technical scheme.First, the first technical scheme is introduced：
Preionization multi-clearance ceramet gas discharge tube overvoltage protection, it is characterised in that：Including Multiple level gold
Belong to ceramic gas discharge tube and pulse transformer；
The multi-clearance ceramet gas discharge tube has termination electrode A and termination electrode A ', also with n target, its
Middle n >=1；The termination electrode A of multi-clearance ceramet gas discharge tube and the phase line of power supply are conductively connected；Multi-clearance ceramet gas
The termination electrode A ' of body discharge tube is conductively connected with the zero line or protecting field of power supply；
The secondary coil of pulse transformer includes n subcoil, wherein n >=1；Also include resistance and electric capacity and joint group
Conjunction, and the referred to as parallel combination of resistance capacitance, the parallel combination of the resistance capacitance have n, wherein n >=1；Each subcoil with
The parallel combination of resistance capacitance described in one be in series and be referred to as coil capacitance-resistance combination, and subcoil not with the resistance capacitance
One end that parallel combination is conductively connected is referred to as the head end of coil capacitance-resistance combination, the parallel combination of the resistance capacitance not with
One end that subcoil is conductively connected is referred to as the tail end of the coil capacitance-resistance combination, and the coil capacitance-resistance combination equally has n, wherein
n≥1；The n coil capacitance-resistance combinations are in series, and --- order of tail end --- head end --- tail end is led successively according to head end
Electrical connection；The termination electrode A of multi-clearance ceramet gas discharge tube is conductively connected with the head end that coil capacitance-resistance described in the 1st is combined；
The termination electrode A ' of multi-clearance ceramet gas discharge tube is conductively connected with the tail end that winding capacitance-resistance described in n-th is combined；Multiple level
The tail end that each target of ceramet gas discharge tube is combined with the coil capacitance-resistance of same sequence number correspondingly is conductive
Connection；
The primary coil only one of which of pulse transformer, it is in parallel with electric capacity that one end of primary coil is conductively connected a resistance
Combination, the other end of parallel combination and the termination electrode A of multi-clearance ceramet gas discharge tube and the 1st institute of the resistance and electric capacity
The head end for stating the combination of coil capacitance-resistance is conductively connected；The primary coil other end of pulse transformer is conductively connected the one of a switching device
End, the other end of the switching device and the termination electrode A ' of multi-clearance ceramet gas discharge tube be conductively connected and with described in n-th
The tail end of coil capacitance-resistance combination is conductively connected.
Further, between the two neighboring target of the multi-clearance ceramet gas discharge tube provided with one or
Multiple independent gaps.
Further, the termination electrode A ' of the multi-gap metal gas discharge tube is provided with hot release unit, termination electrode A '
It is connected by the hot release unit with zero line or protecting field；When the termination electrode A ' of multi-gap metal gas discharge tube temperature reaches
To when departing from threshold values, the hot release unit departs from from termination electrode A ', so that open end electrode A ' and zero line or protecting field
It is conductively connected.
Further, the side of the hot release unit is provided with microswitch, and the microswitch is related to remote signalling interface
Connection；
The hot release unit starts micro- while disengaging from the termination electrode A ' of the multi-gap metal gas discharge tube
Dynamic switch, to remote signalling interface outputting alarm signal when microswitch starts.
Further, the switching device is gas-discharge tube or semiconductor switch component.
Below, second of technical scheme is introduced：
6th, preionization multi-clearance ceramet gas discharge tube overvoltage protection, it is characterised in that：Including Multiple level
Ceramet gas discharge tube and pulse transformer；
The multi-clearance ceramet gas discharge tube has termination electrode A and termination electrode A ', also with n target, its
Middle n >=1；The termination electrode A of multi-clearance ceramet gas discharge tube and the phase line of power supply are conductively connected；Multi-clearance ceramet gas
The termination electrode A ' of body discharge tube is conductively connected with the zero line or protecting field of power supply；
The secondary coil of pulse transformer includes 2 subcoils；Also include the parallel combination of resistance and electric capacity, and be referred to as
The parallel combination of resistance capacitance, the parallel combination of the resistance capacitance is 2；Resistance capacitance described in each subcoil and one and
Joint group is closed is in series and is referred to as the combination of coil capacitance-resistance, and subcoil is not conductively connected with the parallel combination of the resistance capacitance
One end is referred to as the head end of the coil capacitance-resistance combination, be not conductively connected with subcoil the one of the parallel combination of the resistance capacitance
End is referred to as the tail end of the coil capacitance-resistance combination, and 2 coil capacitance-resistance combinations are in series, and according to head end --- tail end ---
The order of head end --- tail end is conductively connected successively；Coil described in the termination electrode A of multi-clearance ceramet gas discharge tube and the 1st
The head end of capacitance-resistance combination is conductively connected；The termination electrode A ' of multi-clearance ceramet gas discharge tube and coil capacitance-resistance group described in the 2nd
The tail end of conjunction is conductively connected；The a certain target of multi-clearance ceramet gas discharge tube is combined with coil capacitance-resistance described in the 1st
Tail end be conductively connected；
The primary coil only one of which of pulse transformer, it is in parallel with electric capacity that one end of primary coil is conductively connected a resistance
Combination, the other end of parallel combination and the termination electrode A of multi-clearance ceramet gas discharge tube and the 1st institute of the resistance and electric capacity
The head end for stating the combination of coil capacitance-resistance is conductively connected；The primary coil other end of pulse transformer is conductively connected the one of a switching device
End, the other end of the switching device and the termination electrode A ' of multi-clearance ceramet gas discharge tube be conductively connected and with described in the 2nd
The tail end of coil capacitance-resistance combination is conductively connected.
Further, between the two neighboring target of the multi-clearance ceramet gas discharge tube provided with one or
Multiple independent gaps.
Further, termination electrode A ' is connected by the hot release unit with zero line or protecting field；When multi-gap metal gas
When the termination electrode A ' of body discharge tube temperature reaches disengaging threshold values, the hot release unit departs from from termination electrode A ', so that disconnected
Beginning electrode A ' it is conductively connected with zero line or protecting field.
Further, the side of the hot release unit is provided with microswitch, and the microswitch is related to remote signalling interface
Connection；
Start fine motion while the hot release unit departs from from the termination electrode A ' of multi-gap metal gas discharge tube to open
Close, to remote signalling interface outputting alarm signal when microswitch starts.
Further, the switching device is gas-discharge tube or semiconductor switch component.
The present invention working mechanism be, because the startup voltage of switching device is low, when thunderbolt or switching overvoltage attack, open
Device shorting advance is closed, switching device starting impulse primary loop passes through pulse transformer secondary subcoil after boosting
Capacitance-resistance combination puts on Multiple level discharge tube simultaneously, makes all gaps of Multiple level discharge tube while puncturing, to reduce limitation voltage,
Level of protection is improved.Because the crest voltage of power supply is less than the voltage for maintaining M-GDT arc discharges, M- after pulse surge
GDT is stopped and blow-out, returns to non-conductive state.
The beneficial effects of the invention are as follows improve level of protection.When thunderbolt or switching overvoltage attack, pulse transformer
Primary coil is due to the combination of concatenation capacitance-resistance and switching device, and switching device makes the primary return of pulse transformer take the lead in starting, just
Pulse current is produced in level coil.Each subcoil of pulse transformer secondary is sensed simultaneously and produces induced-current and rise
Pressure, the voltage instantaneous puts on each target of multi-clearance ceramet gas discharge tube simultaneously, makes each of each target
Gap is simultaneously turned on, and causes Multiple level to turn into only termination electrode A and termination electrode A ' overall discharge tube in moment.Due to this hair
It is bright to form multi-stage protection and decoupling, it is achieved thereby that gradually reducing limitation voltage, improve level of protection.
Reliability, stability and the security that the present invention is protected are relative to prior art General Promotion.
Brief description of the drawings
Fig. 1 is existing multi-clearance ceramet gas discharge tube over-voltage protection module（Publication number 101753858B）Circuit
Schematic diagram；
The circuit theory diagrams that it is first embodiment of the invention that Fig. 2, which is,；
The circuit theory diagrams that it is second embodiment of the invention that Fig. 3, which is,.
Embodiment
Introduce below in conjunction with the accompanying drawings to the specific embodiment of the invention.
One of embodiment
As shown in Fig. 2 preionization multi-clearance ceramet gas discharge tube overvoltage protection of the present invention, including it is many between
Gap ceramet gas discharge tube M-GDT and pulse transformer B.
Multi-clearance ceramet gas discharge tube M-GDT has termination electrode A and termination electrode A ', also with electricity in the middle of n
Pole K1~Kn, wherein n >=1；Multi-clearance ceramet gas discharge tube M-GDT termination electrode A and the phase line L conductions of power supply are even
Connect；Multi-clearance ceramet gas discharge tube M-GDT termination electrode A ' is conductively connected with the zero line N of power supply or protecting field PE.Institute
State between multi-clearance ceramet gas discharge tube M-GDT two neighboring target provided with three independent gaps.
Pulse transformer B secondary coil includes n subcoil M1~Mn, wherein n >=1；Also include resistance R1 and electric capacity
C1 parallel combination, and the referred to as parallel combination of resistance capacitance, the parallel combination of the resistance capacitance have n, wherein n >=1；Often
One subcoil M1~Mn, which is in series with the parallel combination of resistance capacitance described in one and is referred to as coil capacitance-resistance, combines J1~Jn, and sub-line
Circle M1~Mn one end not being conductively connected with the parallel combination of the resistance capacitance is referred to as the head end that the coil capacitance-resistance is combined,
The parallel combination of the resistance capacitance is not referred to as what the coil capacitance-resistance was combined with subcoil M1~Mn one end being conductively connected
Tail end, the coil capacitance-resistance combination equally has n, wherein n >=1；The n coil capacitance-resistance combination J1~Jn are in series, and press
According to head end, --- order of tail end --- head end --- tail end is conductively connected successively；Multi-clearance ceramet gas discharge tube M-
GDT termination electrode A combines J1 head end with being conductively connected with coil capacitance-resistance described in the 1st；Multi-clearance ceramet gas discharge tube
The tail end that M-GD termination electrode A ' combines Jn with coil capacitance-resistance described in n-th is conductively connected；Multi-clearance ceramet gas discharge tube
M-GD each target K1~Kn combines J1~Jn tail end conduction even with the winding capacitance-resistance of same sequence number correspondingly
Connect.
Pulse transformer B primary coil M one end（Without phase sequence）A resistance R2 and electric capacity C2 parallel combination are conductively connected,
Resistance R2 and electric capacity the C2 other end of parallel combination and multi-clearance ceramet gas discharge tube M-GD termination electrode A and the
Coil capacitance-resistance combination J1 head end is conductively connected described in 1；The pulse transformer B primary coil M other end（Without phase sequence）It is conductive
Connect one end of a switching device Q, the switching device Q other end and multi-clearance ceramet gas discharge tube M-GD end electricity
Coil capacitance-resistance combination Jn tail end is conductively connected described in pole A ' and n-th.
From circuit diagram, working mechanism of the invention is understood that.The end of the multi-gap metal gas discharge tube M-GD
Electrode A, termination electrode A ' and target K1~Kn combine J1~Jn with the coil capacitance-resistance respectively and are conductively connected, and work as thunderbolt
Or switching overvoltage attacks, because switching device Q startup voltage is low, Q shorting advances, electric current is via primary coil M to resistance
R2 and electric capacity C2 parallel combination bulk charging, primary coil M is boosted by pulse transformer, in the resistance of pulse transformer secondary coil
Hold and produce pulse high-voltage in combination J1~Jn simultaneously, the high voltage that secondary coil capacitance-resistance combination J1~Jn is produced applies simultaneously
Termination electrode A, target K1~Kn and termination electrode A ' in Multiple level discharge tube M-GDT, make Multiple level discharge tube M-GDT institutes
There is gap while puncturing generation preionization, making its M-GDT limitation voltage reduces；When thunderbolt and the high peak energy of switching overvoltage
Come then, termination electrode A and the 1st target K1 gap is turned on rapidly on the basis of preionization, due to pulse transformer
Level subcoil capacitance-resistance combination J1~Jn totally one magnetic core, thunderbolt and switching overvoltage will start simultaneously A-K1 KI-K2, K2-
K3 ..., Kn- A ' gaps, whole M-GDT conductings.Because the crest voltage of power supply is less than maintenance M-GDT arcs after pulse surge
The voltage of light electric discharge, M-GDT is stopped and blow-out, returns to non-conductive state.
When between overvoltage invasion A-A ', A-K1 in M-GDT ..., before Kn- A ' gaps are also not turned on, overvoltage
Turned on first by switching device Q, resistance R2 electric capacity C2, pulse transformer B primary coils M, so as to improve protection of the present invention
Response speed, while it limits the breakdown voltage of voltage equivalent to switching device Q, thus can further reduce residual voltage, with
Exempt from residual voltage and destroy follow-up electrical equipment.
The termination electrode A ' of the multi-gap metal gas discharge tube M-GDT is provided with hot release unit ST, and termination electrode A ' leads to
The hot release unit ST is crossed to be connected with zero line N or protecting field PE；As multi-gap metal gas discharge tube M-GDT termination electrode A '
Temperature when reaching disengaging threshold values, the hot release unit ST departs from from termination electrode A ', so that open end electrode A ' and zero line N
Or protecting field PE is conductively connected.Meanwhile,
The side of the hot release unit is provided with microswitch, and the microswitch is associated with remote signalling interface；
Start fine motion while the hot release unit departs from from the termination electrode A ' of multi-gap metal gas discharge tube to open
Close, respectively to warning light, remote signalling interface outputting alarm signal when microswitch starts.Hot release unit ST side is provided with fine motion
SW is switched, starts microswitch SW, the microswitch SW and remote signalling while hot release unit ST departs from from termination electrode A '
Interface E is associated, when microswitch SW starts to remote signalling interface E outputting alarm signals.
The switching device Q is gas-discharge tube or semiconductor switch component.
Discharge tube uses multi-clearance ceramet gas discharge tube M-GDT in the present invention, equivalent to multiple discharge tube GDT strings
Connection is used, the gap A-K1 of M-GDT adjacent electrodes, K1-K2 ..., Kn-A ' sequentially turn on, it limits voltage equivalent to A-K1
Interelectrode pulse breakdown voltage, thus residual voltage of the present invention is low.Meanwhile, M-GDT is promptly restored to be not turned on shape after overvoltage
State is without afterflow phenomenon, so as to improve the reliable of multi-gap metal gas discharge tube power supply over-voltage protection module
Property, stability and security.Meanwhile, hot release unit SW is installed, the purpose is to further improve on M-GDT termination electrode A '
The security of the present invention, to avoid unexpected adverse consequences, such as fire.Microswitch SW, remote signalling interface E cause work
Making personnel can find that abnormal conditions occurs in over-voltage protection module in time, and it is repaired in time, in order to avoid follow-up electricity consumption
Equipment suffers damage.
The two of embodiment
Preionization multi-clearance ceramet gas discharge tube overvoltage protection, including multi-clearance ceramet gas are put
Fulgurite M-GDT and transformer B；
Multi-clearance ceramet gas discharge tube M-GDT has termination electrode A and termination electrode A ', also with electricity in the middle of 6
Pole K1~K6, multi-clearance ceramet gas discharge tube M-GDT termination electrode A and the phase line L of power supply are conductively connected；Multiple level gold
Category ceramic gas discharge tube M-GDT termination electrode A ' and power supply zero N lines or protecting field PE are conductively connected.The multi-gap metal
Provided with three independent gaps between ceramic gas discharge tube M-GDT two neighboring target.
Pulse transformer B secondary coil includes two subcoils M1 and M2；Also include resistance R1 in parallel with electric capacity C1
Combination, and the referred to as parallel combination of resistance capacitance, the parallel combination of the resistance capacitance is two；Each subcoil M1, M2 with
The parallel combination of resistance capacitance described in one be in series and be referred to as coil capacitance-resistance combination J1 and J2, and subcoil M1, M2 not with institute
State one end that the parallel combination of resistance capacitance is conductively connected and be referred to as the head end that the coil capacitance-resistance combines J1 and J2, the resistance electricity
The parallel combination of appearance is not referred to as tail end J1 and J2 that the coil capacitance-resistance is combined with subcoil M1, M2 one end being conductively connected,
Two coil capacitance-resistance combination J1 and J2 are in series, and --- order of tail end --- head end --- tail end is successively according to head end
It is conductively connected；Multi-clearance ceramet gas discharge tube M-GDT termination electrode A combines J1 head end with coil capacitance-resistance described in the 1st
It is conductively connected；Multi-clearance ceramet gas discharge tube M-GDT termination electrode A ' combines J2 tail end with coil capacitance-resistance described in the 2nd
It is conductively connected；3rd target K3 of multi-clearance ceramet gas discharge tube is led with the tail end that coil capacitance-resistance described in the 1st is combined
Electrical connection.
Primary coil M one end (no phase sequence) of transformer is conductively connected a resistance R2 and electric capacity C2 parallel combination, the electricity
Hinder described in the other end and the termination electrode A of multi-clearance ceramet gas discharge tube and the 1st of R2 and electric capacity C2 parallel combination around
Group capacitance-resistance combination J1 head end is conductively connected；The primary coil other end of transformer（Without phase sequence）It is conductively connected a switching device Q
One end, winding described in the switching device Q other end and the termination electrode A ' of multi-clearance ceramet gas discharge tube and the 2nd
Capacitance-resistance combination J2 tail end is conductively connected.
The other side of the present embodiment is identical with one of embodiment, repeats no more.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. preionization multi-clearance ceramet gas discharge tube overvoltage protection, it is characterised in that：Including multi-gap metal
Ceramic gas discharge tube and pulse transformer；
The multi-clearance ceramet gas discharge tube has termination electrode A and termination electrode A ', also with n target, and wherein n >=
1；The termination electrode A of multi-clearance ceramet gas discharge tube and the phase line of power supply are conductively connected；Multi-clearance ceramet gas is put
The termination electrode A ' of fulgurite is conductively connected with the zero line or protecting field of power supply；
The secondary coil of pulse transformer includes n subcoil, wherein n >=1；Also include the parallel combination of resistance capacitance, it is described
The parallel combination of resistance capacitance has n, wherein n >=1；The parallel combination of resistance capacitance is in series simultaneously described in each subcoil and one
Referred to as coil capacitance-resistance is combined, and one end not being conductively connected with the parallel combination of the resistance capacitance of subcoil is referred to as the line
The head end of capacitance-resistance combination is enclosed, one end not being conductively connected with subcoil of the parallel combination of the resistance capacitance is referred to as the coil
The tail end of capacitance-resistance combination, the coil capacitance-resistance combination equally has n, wherein n >=1；The n coil capacitance-resistance combinations are in series,
And --- order of tail end --- head end --- tail end is conductively connected successively according to head end；Multi-clearance ceramet gas discharge tube
Termination electrode A be conductively connected with the head end that coil capacitance-resistance described in the 1st is combined；The termination electrode of multi-clearance ceramet gas discharge tube
The tail end that A ' is combined with coil capacitance-resistance described in n-th is conductively connected；Each target one of multi-clearance ceramet gas discharge tube
One tail end accordingly combined with the coil capacitance-resistance of same sequence number is conductively connected；
One end of the primary coil of pulse transformer is conductively connected the parallel combination of a resistance and electric capacity, the resistance and electric capacity and
The head end that the other end that joint group is closed is combined with coil capacitance-resistance described in the termination electrode A of multi-clearance ceramet gas discharge tube and the 1st
It is conductively connected；The primary coil other end of pulse transformer is conductively connected one end of a switching device, the switching device it is another
End is conductively connected with the termination electrode A ' of multi-clearance ceramet gas discharge tube and led with the tail end that coil capacitance-resistance described in n-th is combined
Electrical connection.
2. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 1, its feature
It is：It is provided between the two neighboring target of the multi-clearance ceramet gas discharge tube between one or more independences
Gap.
3. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 1, its feature
It is：The termination electrode A ' of the multi-gap metal gas discharge tube is provided with hot release unit, and termination electrode A ' is de- by the heat
It is connected from device with zero line or protecting field；When the termination electrode A ' of multi-gap metal gas discharge tube temperature reaches disengaging threshold values
When, the hot release unit departs from from termination electrode A ', so that open end electrode A ' it is conductively connected with zero line or protecting field.
4. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 3, its feature
It is：The side of the hot release unit is provided with microswitch, and the microswitch is associated with remote signalling interface；
Start fine motion while the hot release unit departs from from the termination electrode A ' of the multi-gap metal gas discharge tube to open
Close, to remote signalling interface outputting alarm signal when microswitch starts.
5. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 1, its feature
It is：The switching device is gas-discharge tube or semiconductor switch component.
6. preionization multi-clearance ceramet gas discharge tube overvoltage protection, it is characterised in that：Including multi-gap metal
Ceramic gas discharge tube and pulse transformer；
The multi-clearance ceramet gas discharge tube has termination electrode A and termination electrode A ', also with n target, and wherein n >=
1；The termination electrode A of multi-clearance ceramet gas discharge tube and the phase line of power supply are conductively connected；Multi-clearance ceramet gas is put
The termination electrode A ' of fulgurite is conductively connected with the zero line or protecting field of power supply；
The secondary coil of pulse transformer includes 2 subcoils；Also include the parallel combination of resistance capacitance, the resistance capacitance
Parallel combination is 2；Each subcoil is in series with the parallel combination of resistance capacitance described in one and is referred to as coil capacitance-resistance and combines, and
One end not being conductively connected with the parallel combination of the resistance capacitance of subcoil is referred to as the head end that the coil capacitance-resistance is combined, institute
The parallel combination for stating resistance capacitance is not referred to as the tail end that the coil capacitance-resistance is combined, 2 with one end that subcoil is conductively connected
The coil capacitance-resistance combination is in series, and --- order of tail end --- head end --- tail end is conductively connected successively according to head end；
The termination electrode A of multi-clearance ceramet gas discharge tube is conductively connected with the head end that coil capacitance-resistance described in the 1st is combined；Multiple level gold
The termination electrode A ' of category ceramic gas discharge tube is conductively connected with the tail end that coil capacitance-resistance described in the 2nd is combined；Multi-clearance ceramet
The a certain target of gas-discharge tube is conductively connected with the tail end that coil capacitance-resistance described in the 1st is combined；
The primary coil only one of which of pulse transformer, one end of primary coil is conductively connected a resistance and electric capacity and joint group
Close, described in the other end and the termination electrode A of multi-clearance ceramet gas discharge tube and the 1st of the parallel combination of the resistance and electric capacity
The head end of coil capacitance-resistance combination is conductively connected；The primary coil other end of pulse transformer is conductively connected the one of a switching device
End, the other end of the switching device and the termination electrode A ' of multi-clearance ceramet gas discharge tube be conductively connected and with described in the 2nd
The tail end of coil capacitance-resistance combination is conductively connected.
7. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 6, its feature
It is：It is provided between the two neighboring target of the multi-clearance ceramet gas discharge tube between one or more independences
Gap.
8. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 6, its feature
It is：Termination electrode A ' is connected by hot release unit with zero line or protecting field；When the termination electrode of multi-gap metal gas discharge tube
When A ' temperature reaches disengaging threshold values, the hot release unit departs from from termination electrode A ', so that open end electrode A ' and zero line
Or protecting field is conductively connected.
9. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 8, its feature
It is：The side of the hot release unit is provided with microswitch, and the microswitch is associated with remote signalling interface；
The hot release unit starts microswitch while disengaging from the termination electrode A ' of multi-gap metal gas discharge tube, micro-
To remote signalling interface outputting alarm signal when dynamic switch starts.
10. preionization multi-clearance ceramet gas discharge tube overvoltage protection according to claim 6, its feature
It is：The switching device is gas-discharge tube or semiconductor switch component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525716.3A CN104283203B (en) | 2014-10-09 | 2014-10-09 | Preionization multi-clearance ceramet gas discharge tube overvoltage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525716.3A CN104283203B (en) | 2014-10-09 | 2014-10-09 | Preionization multi-clearance ceramet gas discharge tube overvoltage protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104283203A CN104283203A (en) | 2015-01-14 |
| CN104283203B true CN104283203B (en) | 2017-08-25 |
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| CN1225522A (en) * | 1998-02-02 | 1999-08-11 | 凤凰接触公司 | Overvoltage protection system and overvoltage protection element for overvoltage protection system |
| CN1601843A (en) * | 2004-10-26 | 2005-03-30 | 曾献昌 | A, C, mains overvoltage protector having metalic ceramic gas discharge tube |
| CN201478825U (en) * | 2009-06-10 | 2010-05-19 | 东莞市新铂铼电子有限公司 | Power supply over voltage protection module for multi-gap metal gas discharge tube |
| WO2014032631A2 (en) * | 2012-08-28 | 2014-03-06 | Saltek S.R.O. | Design of the triggering circuit of the overvoltage protection |
| CN204190376U (en) * | 2014-10-09 | 2015-03-04 | 东莞市新铂铼电子有限公司 | Preionization multi-clearance ceramet gas discharge tube overvoltage protection |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225522A (en) * | 1998-02-02 | 1999-08-11 | 凤凰接触公司 | Overvoltage protection system and overvoltage protection element for overvoltage protection system |
| CN1601843A (en) * | 2004-10-26 | 2005-03-30 | 曾献昌 | A, C, mains overvoltage protector having metalic ceramic gas discharge tube |
| CN201478825U (en) * | 2009-06-10 | 2010-05-19 | 东莞市新铂铼电子有限公司 | Power supply over voltage protection module for multi-gap metal gas discharge tube |
| WO2014032631A2 (en) * | 2012-08-28 | 2014-03-06 | Saltek S.R.O. | Design of the triggering circuit of the overvoltage protection |
| CN204190376U (en) * | 2014-10-09 | 2015-03-04 | 东莞市新铂铼电子有限公司 | Preionization multi-clearance ceramet gas discharge tube overvoltage protection |
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| CN104283203A (en) | 2015-01-14 |
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