CN208849692U - A kind of compact high-voltage switch gear component - Google Patents
A kind of compact high-voltage switch gear component Download PDFInfo
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- CN208849692U CN208849692U CN201821708078.9U CN201821708078U CN208849692U CN 208849692 U CN208849692 U CN 208849692U CN 201821708078 U CN201821708078 U CN 201821708078U CN 208849692 U CN208849692 U CN 208849692U
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- voltage switch
- switch gear
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Abstract
The utility model provides a kind of compact high-voltage switch gear component, and the program includes power circuit, several unit switch circuits and several connectors；It each opens unit switch circuit to be independently arranged on one piece of pcb board, be fixedly connected between each pcb board by connector；The power circuit is that each unit switch circuit is powered respectively.The program can meet the adjusting of the parameters wide scope such as pulse width, repetition, voltage of clock using a switch simultaneously, the multifunctional application for substantially increasing single pulse source can be widely applied to the fields such as all kinds of high speed and high pressure test equipments, plasma generator and laser driving.
Description
Technical field
The utility model relates to high voltage switching module Development Techniques field, especially a kind of compact high-voltage switch gear group
Part.
Background technique
High-voltage switch gear component refers to meet requirement by the switch of superposition low pressure and reach the one of high-pressure work
Kind switch module.Similar with all switches, the performance indicator of high-voltage switch gear also includes the pressure resistance of switch, conducting electric current, when conducting
Between, the turn-off time, power consumption etc. parameter characterization.High speed high repetition frequency high-voltage switch gear is widely used in all kinds of special high-tension pulses
Source generating device is rushed, for example, High-speed transient characteristic tester, electric pulse tumour ablation system, fast moves impulse train tester
The fields such as numerous test equipments such as the ranging of testing the speed of target, plasma generator and laser driving.Frequency is repeated because high speed is high
The switch of rate is generally the semiconductor devices of low pressure resistance, therefore traditional high speed and high pressure clock based on switch mosfet is general
By Marx circuit, perhaps magnetic core isolation drive series connection switch mosfet or external delay adjustment optical isolation drive MOSFET
Switching circuit generates high-voltage pulse, such clock or pulse-width regulated is limited in scope or system complex, it is difficult to be competent at
The development of high pressure resistant switch module is being carried out always in special requirement both at home and abroad thus.
Utility model content
The purpose of this utility model aiming at deficiency of the prior art, and provides the compact height of one kind and presses off
The technical solution of component is closed, the program can meet the parameters such as pulse width, repetition, the voltage of clock using a switch simultaneously
Wide scope adjust, substantially increase the multifunctional application in single pulse source, can be widely applied to all kinds of high speed and high pressure test equipments,
The fields such as plasma generator and laser driving.
This programme is achieved by the following technical measures:
A kind of compact high-voltage switch gear component, it is characterized in that: include power circuit, several unit switch circuits and
Several connectors；Each unit switch circuit is opened to be independently arranged on one piece of pcb board, it is solid by connector between each pcb board
Fixed connection；Power circuit is that each unit switch circuit is powered respectively；Unit switch circuit includes high pressure optocoupler, integrated driving
Device, current rectifying and wave filtering circuit, MOSFET；Current rectifying and wave filtering circuit is electrically connected with power circuit, integrated drive and high pressure optocoupler respectively；
Integrated drive is electrically connected with the pole G of the output end of high pressure optocoupler and MOSFET respectively；Upper level unit switch circuit
The drain electrode (D) of MOSFET is connected with pole source electrode (S) of the MOSFET of next stage unit switch circuit；Upper level unit switch electricity
The cathode (K) of the high pressure optocoupler on road is connected with the anode (A) of the optocoupler of next stage unit switch circuit.
As the preferred of this programme: power circuit conveys induced current to current rectifying and wave filtering circuit by magnet ring.
As the preferred of this programme: vertical stacking is fixed between each pcb board.
As the preferred of this programme: the cathode (K) and anode (A) of high pressure optocoupler are drawn from pcb board.
As the preferred of this programme: the source electrode (S) of MOSFET and drain electrode (D) are drawn from pcb board.
As the preferred of this programme: each pcb board is identical.
As the preferred of this programme: component used in each unit switching circuit and circuit structure are identical.
As the preferred of this programme: connector is zigzag rectangular configuration.
As the preferred of this programme: the size of connector is the minimum dimension in the case where guaranteeing insulation.
The beneficial effect of this programme can according to the description of the above program, when additional trigger pulse input unit switchs
The high pressure optocoupler of circuit, the signal after being transmitted by light-coupled isolation input integrated drive, and integrated drive exports high current and drives
Dynamic MOSFET work.Multiple unit switch circuits are connected by chaining part, by the leakage of the MOSFET of upper unit switch circuit
Pole (D) is connected with pole source electrode (S) of the MOSFET of next unit switching circuit；The cathode of the optocoupler of upper unit switch circuit
(K) it is connected with the anode of the optocoupler of next unit switching circuit (A).High-voltage switch gear after the series connection of multiple unit switch circuits
Component pressure resistance increases the multiple of unit number relative to single MOSFET, the series connection of even n unit switch circuit, individually
The pressure resistance of MOSFET is V, then the switch block pressure resistance after connecting is nV.When switch block works, in each unit switching circuit
Switch simultaneously turns on shutdown, then high-voltage switch gear component is similar to single switch, and only its pressure resistance promotes the n for arriving series unit circuit
Times.The compressive resistance that switching circuit can be greatly improved substantially increases the multifunctional application in single pulse source.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Detailed description of the invention
Fig. 1 is the main body circuit structural schematic diagram of the utility model.
Fig. 2 is the electrical block diagram of unit switch circuit.
Fig. 3 is the PCB hardware connection diagram of the utility model.
In figure, 1 is high pressure optocoupler, and 2 be power circuit PCB, and 3 be unit switch circuit PCB, and 4 be connector, and 5 be magnet ring.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
As shown, this programme includes power circuit, several unit switch circuits and several connectors；Each
It opens unit switch circuit to be independently arranged on one piece of pcb board, be fixedly connected between each pcb board by connector；Power circuit is
Each unit switch circuit is powered respectively；Unit switch circuit include high pressure optocoupler, integrated drive, current rectifying and wave filtering circuit,
MOSFET；Current rectifying and wave filtering circuit is electrically connected with power circuit, integrated drive and high pressure optocoupler respectively；Integrated drive respectively with
The pole the G electrical connection of the output end and MOSFET of high pressure optocoupler；The drain electrode (D) of the MOSFET of upper level unit switch circuit is under
Pole source electrode (S) of the MOSFET of primary unit switching circuit is connected；The cathode of the high pressure optocoupler of upper level unit switch circuit
(K) it is connected with the anode (A) of the optocoupler of next stage unit switch circuit.Power circuit is defeated to current rectifying and wave filtering circuit by magnet ring
Send induced current.Vertical stacking is fixed between each pcb board.The cathode (K) and anode (A) of high pressure optocoupler are drawn from pcb board.
The source electrode (S) of MOSFET and drain electrode (D) are drawn from pcb board.Each pcb board is identical.Used in each unit switching circuit
Component and circuit structure are identical.Connector is zigzag rectangular configuration.The size of connector is in the feelings for guaranteeing insulation
Minimum dimension under condition.
Signal input when the high pressure optocoupler of additional trigger pulse input unit switching circuit, after being transmitted by light-coupled isolation
Integrated drive, integrated drive export large driven current density MOSFET work.Multiple unit switch circuits are connected by chaining part
It connects, by the pole source electrode (S) phase of the drain electrode (D) of the MOSFET of upper unit switch circuit and the MOSFET of next unit switching circuit
Connection；The cathode (K) of the optocoupler of upper unit switch circuit is connected with the anode (A) of the optocoupler of next unit switching circuit.
High-voltage switch gear component pressure resistance after the series connection of multiple unit switch circuits increases times of unit number relative to single MOSFET
Number, the series connection of even n unit switch circuit, the pressure resistance of single MOSFET are V, then the switch block pressure resistance after connecting is nV.
When switch block works, the switch in each unit switching circuit simultaneously turns on shutdown, then high-voltage switch gear component is similar to and individually opens
It closes, only its pressure resistance promotes n times to series unit circuit.
The utility model is not limited to specific embodiment above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (9)
1. a kind of compact high-voltage switch gear component, if it is characterized in that: include power circuit, several unit switch circuits and
Dry connector；It each opens unit switch circuit to be independently arranged on one piece of pcb board, be fixed between each pcb board by connector
Connection；The power circuit is that each unit switch circuit is powered respectively；The unit switch circuit includes high pressure optocoupler, collection
At driver, current rectifying and wave filtering circuit, MOSFET；The current rectifying and wave filtering circuit respectively with power circuit, integrated drive and high pressure
Optocoupler electrical connection；The integrated drive is electrically connected with the pole G of the output end of high pressure optocoupler and MOSFET respectively；Upper level list
The drain electrode (D) of the MOSFET of first switching circuit is connected with pole source electrode (S) of the MOSFET of next stage unit switch circuit；Upper one
The cathode (K) of high pressure optocoupler of grade unit switch circuit is connected with the anode (A) of the optocoupler of next stage unit switch circuit.
2. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: the power circuit passes through magnet ring
Induced current is conveyed to current rectifying and wave filtering circuit.
3. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: vertical stacks between each pcb board
It is folded to fix.
4. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: the cathode of the high pressure optocoupler
(K) it is drawn from pcb board with anode (A).
5. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: the source electrode (S) of the MOSFET
It is drawn from pcb board with drain electrode (D).
6. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: each pcb board is identical.
7. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: each unit switching circuit institute
The component and circuit structure used is identical.
8. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: the connector is zigzag square
Shape structure.
9. the compact high-voltage switch gear component of one kind according to claim 1, it is characterized in that: the size of the connector be
Guarantee the minimum dimension in the case where insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708078.9U CN208849692U (en) | 2018-10-22 | 2018-10-22 | A kind of compact high-voltage switch gear component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708078.9U CN208849692U (en) | 2018-10-22 | 2018-10-22 | A kind of compact high-voltage switch gear component |
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| Publication Number | Publication Date |
|---|---|
| CN208849692U true CN208849692U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821708078.9U Active CN208849692U (en) | 2018-10-22 | 2018-10-22 | A kind of compact high-voltage switch gear component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039140A (en) * | 2018-10-22 | 2018-12-18 | 中国工程物理研究院应用电子学研究所 | A kind of compact high-voltage switch gear component |
-
2018
- 2018-10-22 CN CN201821708078.9U patent/CN208849692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039140A (en) * | 2018-10-22 | 2018-12-18 | 中国工程物理研究院应用电子学研究所 | A kind of compact high-voltage switch gear component |
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