CN202034892U - Large power discharge switch device based on electronic triggered thyristor - Google Patents
Large power discharge switch device based on electronic triggered thyristor Download PDFInfo
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- CN202034892U CN202034892U CN2010205997432U CN201020599743U CN202034892U CN 202034892 U CN202034892 U CN 202034892U CN 2010205997432 U CN2010205997432 U CN 2010205997432U CN 201020599743 U CN201020599743 U CN 201020599743U CN 202034892 U CN202034892 U CN 202034892U
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- power discharge
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Abstract
The present utility model discloses a large power discharge switch device based on electronic triggered thyristors, and the device is simple in structure layering, high in reliability and good in electrical performance, and is free of maintenance. The device comprises a modularized thyristor series unit, an RC absorbing loop unit, a static state voltage-sharing unit, a trigger unit and a coupling power supply unit, the thyristor series unit is composed of more than one thyristors which are connected in series, and the gate poles of the thyristors are connected with the trigger unit. The static state voltage-sharing unit comprises static state voltage-sharing resistors which are connected in parallel with the two poles of each thyristor. The RC absorbing loop unit is connected in parallel with the two poles of each thyristor, the RC absorbing loop unit comprises damping capacitors and dynamic voltage-sharing resistors, and the damping capacitors and the dynamic voltage-sharing resistors are connected in series to form a dynamic RC absorbing loop. Through the trigger unit, trigger signals of a control system are received, the conduction of the thyristors is controlled, the state of the thyristors is judged as normal or not, and feedback state signals are sent to the control system. The coupling power supply unit supplies power for the trigger unit.
Description
Technical field
The utility model relates to and a kind ofly triggers the high power discharge switching device of thyristor based on electricity, and this device is mainly used in heavy impulse current technology etc. and relates to highpowerpulse The Application of Technology field.
Background technology
In heavy impulse current technology isopulse power technology, the discharge switch device that is absolutely necessary.Its effect is that high power pulsed source is discharged to load with high power density in the extremely short time (the shortest can be nanosecond) to the energy of transmission line charging.
Discharge switch devices such as traditional gas switch, vacuum trigger switch, solid switch, laser triggered switch, magnetic switch are owing to easy scaling loss, reliability and poor stability under slow, the big electric current of control response speed, had a strong impact on efficiency of transmission, pulse rise time and the job stability of high impulse power supply, therefore seldom used as the high power discharge switch.
The utility model is based on triode thyristor (Electronic Triggered Thyristor, be called for short ETT) as switch element, thyristor is electric triggering mode in the ETT valve, pulse at first is sent to and equipotential thyristor electronic equipment (the Thyirstor Electronic of thyristor through optical cable, be called for short the TE plate), the TE plate becomes electric pulse with pulses switch and amplifies its power, and then this forceful electric power trigger impulse is delivered to gate circuit transistor gate trigger thyristor.Be positioned at the core component of the TE plate of high potential for ETT valve control defencive function, it comprises: get energy loop, amplifier circuit, electrooptical device, monitoring circuit and protection loop (realizing the safe conducting BOD protection that forces when the thyristor malleation surpasses design load).
Therefore, the utility model adopts electricity to trigger thyristor as discharging switch element, relates to many-sided technology such as the press-fiting of semiconductor device, heat transfer, solid and fluid stress analysis, High-Voltage Insulation cooperation.Not only satisfy technically bear high-power, have longer life, a stable and reliable operation requirement, and have the characteristics of very little delay and jitter time, good reproducibility and good working performance, guaranteed the requirement of Pulse Power Techniques and pulse current experimental technique fully.
The utility model content
The purpose of this utility model provides a kind of layer of structure abbreviation list, reliability height, good electric property, the non-maintaining high power discharge switch based on the thyristor element, this device adopts low jitter, highly reliable novel switched technology, is a kind of novel modularized discharge switch with the efficient of pulse high power transmission efficiently.
The utility model provides a kind of specific implementation method that triggers the high power discharge switching device of thyristor based on electricity, a kind of high power discharge switching device that triggers thyristor based on electricity, comprise: modularization thyristor series unit, RC absorption circuit unit, static state voltage equipoise unit, trigger element and coupling power supply unit, modularization thyristor series unit is in series by more than one thyristor, the gate pole of thyristor links to each other with trigger element, when the needs actuating switch, send the thyristor of triggering signal synchronous triggering high power discharge switching device by control system; The static state voltage equipoise unit comprises static voltage sharing, and static voltage sharing is connected in parallel on the two poles of the earth of single thyristor, and the static state voltage equipoise unit can effectively guarantee to bear on each thyristor balanced voltage; RC absorption circuit unit is connected in parallel on the two poles of the earth of single thyristor, absorbs the electric capacity formation RC absorption circuit unit of connect with absorption resistance, in the inhibition circuit because of voltage transient the self induction electromotive force during to the caused rush of current of device with to current transients carry out clamper; The triggering signal of trigger element receiving control system, the conducting of control thyristor is judged simultaneously whether the state of thyristor is normal, and is given control system with the feedback states signal; The coupling power supply unit provides power supply for trigger element.
As the further execution mode of the utility model, static voltage sharing adopts the bend pipe busbar to be connected in parallel to the two poles of the earth of single thyristor, the static state voltage equipoise unit is used to reduce the influence of leakage current characteristic to dividing potential drop, and the state for trigger element detection thyristor plays the dividing potential drop effect simultaneously.
As the further execution mode of the utility model; high power discharge switch based on thyristor further comprises the BOD protected location; the BOD protected location comprises the BOD diode; the BOD protected location was realized the pressure trigger protection by the BOD diode; if start pulse signal is lost; then will do not born too high forward voltage by the thyristor of triggered as normal, the urgent thyristor that triggers when voltage is higher than the preset value of BOD, the protection thyristor avoids breakdown.
As the further execution mode of the utility model, further comprise based on the high power discharge switch of thyristor and to press-fit assembly unit, press-fit that assembly unit comprises side plate, press-fits parts, high pressure a set of cups, epoxy stringing and pressing plate and double threaded screw, the epoxy stringing is enclosed within the outside of screw rod, press-fiting assembly adopts up and down two block pressur plates and four screw rods to form basic frameworks and be fixed between two blocks of side plates, behind combination die blocking thyristor series unit and static state voltage equipoise unit, through the high pressure a set of cups with press-fit after parts press-fit, guarantee that thyristor effectively compresses and conducting.
As the further execution mode of the utility model, high power discharge switch based on thyristor further comprises the busbar unit, the busbar unit comprises turnover line busbar, copper plate busbar and bend pipe busbar, the copper plate busbar connects and locatees two adjacent thyristors, as radiator, strengthen the natural cooling area of thyristor simultaneously; Turnover line busbar links to each other with external main circuit as cable turnover lead-in wire.
As the further execution mode of the utility model, the coupling power supply unit comprises current transformer and gets energy plate, high-current supply transformer, current limliting instrument transformer, it is that trigger element provides power supply that high-current supply transformer and current limliting instrument transformer are isolated supply power mode with coupling, realizes the high-low pressure isolation; Current transformer and the size of current of getting energy plate collection high power discharge switching device provide the measurement and the protection of control system and trigger element.
As the further execution mode of the utility model, the trigger board of trigger element receives the light triggering signal from control system, and through light-receiving loop and logical process, the pulse output cassette amplifies the back generation with pulse and triggers the signal of telecommunication, realizes the conducting of thyristor; Whether the state of judging thyristor simultaneously is normal, sends the loop by logic judgment unit and light, and the feedback states signal is given control system.
As the further execution mode of the utility model, the static state voltage equipoise unit guarantees the static state voltage equipoise unanimity that thyristor bears, do with the signal in the triggering loop of trigger element simultaneously " with " handle, guarantee the thyristor signal triggering that under normal state, is triggered.
By using the described a kind of high power discharge switching device of the utility model execution mode, mainly contain following advantage based on electricity triggering thyristor:
(1) adopt the series connection of modularization thyristor as high-voltage pulse power discharge switch, ETT valve arrangement compactness, layout are optimized rationally more, and outward appearance is succinctly exquisite; In addition, the modularized design of thyristor cascaded structure can realize assembling out the switch of different electric pressures, reduces the part kind.
(2) device has effectively solved the high-low pressure isolating problem, and control unit and trigger element adopt photoelectricity to isolate, and are not vulnerable to electromagnetic interference, simultaneously in conjunction with circuits for triggering plate and BOD panel control system, have guaranteed the reliability of whole device.
(3) design easy dish spring and press-fited self-locking mechanism, can effectively guarantee the thrust of high-power thyristor; Adopt the high pressure groove type insulating epoxy fabric swatch a set of cups of high-quality simultaneously, isolated first thyristor and last thyristor effectively, solve the creepage distance problem.
(4) employing low pressure coupled modes are powered, and are simple and safe, reduced the complexity of system.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of circuit structure schematic diagram that triggers the high power discharge switching device of thyristor based on electricity of the utility model;
Fig. 2 is a kind of control structure block diagram that triggers the high power discharge switching device of thyristor based on electricity of the utility model;
Fig. 3 is a kind of structural representation one-front view that triggers the high power discharge switching device of thyristor based on electricity of the utility model;
Fig. 4 is a kind of structural representation one-vertical view that triggers the high power discharge switching device of thyristor based on electricity of the utility model;
Fig. 5 is a kind of structural representation one-upward view that triggers the high power discharge switching device of thyristor based on electricity of the utility model;
Fig. 6 is a kind of structural representation one-left view that triggers the high power discharge switching device of thyristor based on electricity of the utility model;
Wherein, the 1-side plate, 2-press-fits parts; the 3-a set of cups that insulate, 4-epoxy stringing, 5-resistance bend pipe; the 6-thyristor, 7-low-inductance bus, 8-pressing plate; 9-pulse output cassette, 10-trigger board, 11-BOD plate; 12-current transformer and get can plate, 13-high-current supply transformer, 14-current limliting instrument transformer; 15-turnover line busbar, 16-absorbs electric capacity, 17-static voltage sharing; 18-copper plate busbar, 19-bend pipe busbar, 20-absorption resistance; 21-modularization thyristor series unit, 22-RC absorption circuit unit, 23-static state voltage equipoise unit; the 24-trigger element; the 25-power supply unit that is coupled, 26-BOD protected location, 27-screw rod.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Trigger the embodiment of the high power discharge switching device of thyristor as the utility model is a kind of based on electricity, be described further below in conjunction with 1 to 6 pair of the utility model of accompanying drawing:
Shown in the structural representation of Fig. 3 to Fig. 6,, adopt the design of serial module structure thyristor, the layering horizontal type structure based on the high power discharge switching device of electricity triggering thyristor.Shown in the front view of Fig. 3; the understructure that is positioned at the discharge switch device is for realizing the RC absorption circuit unit 22 of dynamic voltage balancing function; modularization thyristor series unit 21 and static voltage sharing unit 23 are adopted in the middle level; the upper strata comprises coupling power supply unit 25; coupling power supply unit 25 comprises current transformer and gets energy plate 12; high-current supply transformer 13; current limliting instrument transformer 14; and by the amplifier circuit unit; the electrooptical device unit; monitoring circuit and (the BOD protection of protection circuit units; Break Over Diode; breakdown diode) control assembly of Zu Chenging, whole device adopt two blocks of side plates 1 of left and right sides insulating epoxy fabric swatch as organizational structure and support.
The RC absorption circuit unit 22 of lower floor comprises the absorption resistance 20 of realizing dynamic voltage balancing and the absorption electric capacity 16 of realizing damping function.Absorb electric capacity 16 and connect with absorption resistance 20 and constitute the RC absorption circuit of RC absorption circuit unit 22, self induction electromotive force is carried out clamping action when rising in the inhibition circuit because of dv/dt to the caused transient current impact of device with to current transients; Because thyristor operate time different (comprising service time and turn-off time), for the thyristor of opening after protecting, the effective all pressure measures in the dynamic voltage balancing RC loop of RC absorption circuit unit 22 guarantee the safety of thyristor.RC absorption circuit unit 22 is connected in parallel to modularization thyristor series unit 21 through cable trough.
The modularization thyristor series unit 21 in middle level mainly comprises thyristor 6, static voltage sharing 17, press-fits assembly unit, press-fits assembly unit and comprises and press-fit parts 2, insulation a set of cups 3, epoxy fabric swatch 4, screw rod 27 and pressing plate 8.Wherein, press-fit parts 2 and adopt the dish spring, insulation a set of cups 3 adopts the High-Voltage Insulation a set of cups, and screw rod 27 adopts double threaded screw, and the outside that epoxy fabric swatch 4 is wrapped in screw rod 27 forms epoxy cloth template insulating sleeve.The middle level structure of device also comprises relevant busbar, comprises turnover line busbar 15, copper plate busbar 18 and bend pipe busbar 19 etc.Modularization thyristor series unit 21 is in series by the akin N of a selectivity characteristic thyristor, and this will guarantee all pressures and the safety of thyristor; Static state voltage equipoise unit 23 comprises static voltage sharing 17, static voltage sharing 17 adopts bend pipe busbar 19 to be connected in parallel to the two poles of the earth of single thyristor 6, because the leakage current characteristic of single thyristor is different, flow through the unbalanced-voltage-division weighing apparatus that same leakage current must cause each thyristor at modularization thyristor series unit 21, the static voltage sharing unit can guarantee effectively that the voltage that bears on each thyristor is basic identical, reduce the influence of leakage current characteristic to dividing potential drop, the state that detects thyristor 6 for trigger element 24 plays the dividing potential drop effect simultaneously; Copper plate busbar 18 connects two thyristors that face mutually with the location on the one hand, on the other hand as radiator, strengthens the natural cooling area of semiconductor element thyristor; Press-fit assembly unit and adopt two pressing plates 8 and four double threaded screws composition basic frameworks up and down, combine after modularization thyristor series unit 21 and the static state voltage equipoise unit 23, self-locking device through High-Voltage Insulation a set of cups and dish spring press-fits, and guarantees that N thyristor effectively compresses and conducting; Turnover line busbar 15 is convenient to be connected with an external main circuit as cable turnover lead-in wire.
Superstructure mainly comprise high-current supply transformer 13, current limliting instrument transformer 14, current transformer and get can plate 12, trigger board 10, BOD plate 11 and pulse output cassette 9, that realizes the discharge switch device gets functions such as energy, circuit amplification, opto-electronic conversion, supervision and BOD protection.The light triggering signal that the trigger board 10 of trigger element 24 receives from control system, through light-receiving loop and logical process, pulse output cassette 9 amplifies the back generation with pulse and triggers the signal of telecommunication, realizes the conducting of thyristor 6; Whether the state of judging thyristor 6 simultaneously is normal, sends the loop by logic judgment unit and light, gives control system with the feedback states signal.The high-current supply transformer 13 of coupling power supply unit 25, current limliting instrument transformer 14 adopt coupling to isolate supply power mode and provide power supply for trigger element 24, and the realization high-low pressure is isolated; Current transformer and the size of current of getting a whole set of discharge switch device of energy plate 12 collections provide the measurement and the protection of control system and trigger element.BOD protected location 11 adopts the BOD diode to realize the pressure trigger protection; if start pulse signal is lost; will do not born too high forward voltage by the thyristor of triggered as normal, the urgent thyristor that triggers when voltage is higher than the preset value of BOD, thus the protection thyristor avoids puncturing.
Discharge switch device of the present utility model links to each other with the trigger board 10 of trigger element 24 by the gate pole of thyristor 6, when the needs actuating switch, sends triggering signal all thyristor elements through low-voltage cable synchronous triggering discharge switch by control system.
Fig. 1 has provided the schematic block circuit diagram of a kind of specific embodiments of the present utility model, and is existing in conjunction with the accompanying drawings to the further description of the utility model do.
As shown in Figure 1, the utility model is composed in series by N thyristor assembly.The pulse power supply anode is added in end of incoming cables of the present utility model after the load of having connected, negative terminal is added in leading-out terminal of the present utility model, triggers all thyristor assemblies in good time, and the energy of promptly finishing pulse power supply discharges.
Control structure block diagram of the present utility model as shown in Figure 2, the high power discharge switching device that triggers thyristor based on electricity mainly comprises with the lower part: modularization thyristor series unit 21, RC absorption circuit unit 22, static state voltage equipoise unit 23, trigger element 24, coupling power supply unit 25 and BOD protected location 26.
Wherein, modularization thyristor series unit 21 adopts the thyristor KPD3900-65 of Nan Che Time Incorporation, but its repetitive peak voltage is 6500V, rated current 3900A, and N series connection has very big allowance in native system, guaranteed the high reliability of system's operation.The function of RC absorption circuit unit 22 is to absorb the overvoltage that thyristor 6 produces at shutdown moment.The function of static state voltage equipoise unit 23 is for guaranteeing thyristor static state voltage equipoise unanimity, the signal that plays and trigger loop 24 simultaneously do " with " handle, guarantee under normal state, just can the be triggered effect of signal triggering of thyristor.The light triggering signal of trigger element 24 receiving control systems, through the light-receiving loop, Logical processing unit generates triggering signal behind the pulse amplifying unit, realizes the conducting of thyristor 6; Whether the state of judging thyristor simultaneously is normal, sends the loop by logic judgment unit and light, and the feedback states signal is given control system.Coupling power supply unit 25 adopts coupling to isolate supply power mode and provides power supply for trigger element, and the realization high-low pressure is isolated.BOD protected location 26 adopts the BOD diode to realize the pressure trigger protection; integrated by a diode and BOD series connection; if start pulse signal is lost; will do not born too high forward voltage by the thyristor of triggered as normal; the urgent thyristor that triggers when voltage is higher than the preset value of BOD, thus the protection thyristor avoids puncturing.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1. high power discharge switching device that triggers thyristor based on electricity, it is characterized in that: comprise modularization thyristor series unit (21), RC absorption circuit unit (22), static state voltage equipoise unit (23), trigger element (24) and coupling power supply unit (25), modularization thyristor series unit (21) is in series by more than one thyristor (6), and the gate pole of thyristor (6) links to each other with trigger element (24); Static state voltage equipoise unit (23) comprises static voltage sharing (17), and static voltage sharing (17) is connected in parallel on the two poles of the earth of single thyristor (6); RC absorption circuit unit (22) is connected in parallel on the two poles of the earth of single thyristor (6), and absorption electric capacity (16) is connected with absorption resistance (20) and constituted RC absorption circuit unit (22); The triggering signal of trigger element (24) receiving control system, the conducting of control thyristor (6) is judged simultaneously whether the state of thyristor (6) is normal, and is given control system with the feedback states signal; Coupling power supply unit (25) provides power supply for trigger element (24).
2. a kind of high power discharge switching device based on electricity triggering thyristor according to claim 1, it is characterized in that: described static voltage sharing (17) adopts bend pipe busbar (19) to be connected in parallel to the two poles of the earth of single thyristor (6).
3. a kind of high power discharge switching device based on electricity triggering thyristor according to claim 1, it is characterized in that: described high power discharge switch based on thyristor comprises BOD protected location (26), and BOD protected location (26) comprises the BOD diode.
4. a kind of high power discharge switching device that triggers thyristor based on electricity according to claim 1, it is characterized in that: described high power discharge switch based on thyristor comprises and press-fits assembly unit, describedly press-fit assembly unit and comprise side plate (1), press-fit parts (2), high pressure a set of cups (3), epoxy stringing (4) and pressing plate (8) and double threaded screw (27), epoxy stringing (4) is enclosed within the outside of screw rod (8), press-fiting assembly adopts up and down two block pressur plates (8) and four screw rods (8) composition basic framework and is fixed between two blocks of side plates (1), behind combination die blocking thyristor series unit (21) and static state voltage equipoise unit (23), through high pressure a set of cups (3) with press-fit after parts (2) press-fit, guarantee that thyristor (6) effectively compresses and conducting.
5. according to the described a kind of high power discharge switching device that triggers thyristor based on electricity of arbitrary claim among the claim 1-4, it is characterized in that: described high power discharge switch based on thyristor comprises the busbar unit, described busbar unit comprises turnover line busbar (15), copper plate busbar (18) and bend pipe busbar (19), copper plate busbar (18) connects and locatees two adjacent thyristors, as radiator, strengthen the natural cooling area of thyristor simultaneously; Turnover line busbar (15) links to each other with external main circuit as cable turnover lead-in wire.
6. a kind of high power discharge switching device that triggers thyristor based on electricity according to claim 5, it is characterized in that: described coupling power supply unit (25) comprises current transformer and gets energy plate (12), high-current supply transformer (13), current limliting instrument transformer (14), it is that trigger element (24) provides power supply that high-current supply transformer (13) and current limliting instrument transformer (14) are isolated supply power mode with coupling, realizes the high-low pressure isolation; Current transformer and the size of current of getting energy plate (12) collection high power discharge switching device provide the measurement and the protection of control system and trigger element.
7. according to the described a kind of high power discharge switching device that triggers thyristor based on electricity of arbitrary claim in the claim 1,2,3,4,6, it is characterized in that: the trigger board (10) of described trigger element (24) receives the light triggering signal from control system, through light-receiving loop and logical process, pulse output cassette (9) amplifies the back with pulse and generates the triggering signal of telecommunication, realizes the conducting of thyristor (6); Whether the state of judging thyristor (6) simultaneously is normal, sends the loop by logic judgment unit and light, and the feedback states signal is given control system.
8. a kind of high power discharge switching device that triggers thyristor based on electricity according to claim 7, it is characterized in that: described static state voltage equipoise unit (23) guarantees the static state voltage equipoise unanimity that thyristor (6) bears, do with the signal in the triggering loop of trigger element (24) simultaneously " with " handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205997432U CN202034892U (en) | 2010-11-09 | 2010-11-09 | Large power discharge switch device based on electronic triggered thyristor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205997432U CN202034892U (en) | 2010-11-09 | 2010-11-09 | Large power discharge switch device based on electronic triggered thyristor |
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| CN202034892U true CN202034892U (en) | 2011-11-09 |
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| CN2010205997432U Expired - Lifetime CN202034892U (en) | 2010-11-09 | 2010-11-09 | Large power discharge switch device based on electronic triggered thyristor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743218A (en) * | 2016-01-21 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC project electrically-triggered thyristor backup trigger system and monitoring method thereof |
| CN113543398A (en) * | 2021-09-14 | 2021-10-22 | 中国工程物理研究院流体物理研究所 | Device and method for improving reliability of high-power pulse xenon lamp light source |
-
2010
- 2010-11-09 CN CN2010205997432U patent/CN202034892U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743218A (en) * | 2016-01-21 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC project electrically-triggered thyristor backup trigger system and monitoring method thereof |
| CN105743218B (en) * | 2016-01-21 | 2018-10-19 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC engineering electricity triggering thyristor standby triggering system and its monitoring method |
| CN113543398A (en) * | 2021-09-14 | 2021-10-22 | 中国工程物理研究院流体物理研究所 | Device and method for improving reliability of high-power pulse xenon lamp light source |
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Granted publication date: 20111109 |