CN208046583U - A kind of concatenated trigger signal control circuit of multichannel IGBT switches - Google Patents
A kind of concatenated trigger signal control circuit of multichannel IGBT switches Download PDFInfo
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- CN208046583U CN208046583U CN201820625195.2U CN201820625195U CN208046583U CN 208046583 U CN208046583 U CN 208046583U CN 201820625195 U CN201820625195 U CN 201820625195U CN 208046583 U CN208046583 U CN 208046583U
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Abstract
The utility model discloses a kind of multichannel IGBT to switch concatenated trigger signal control circuit, the control of trigger signal when being related to working for variable connector, including photoelectric switching circuit, first pulse shaper, second pulse shaper, first signal amplification circuit, second signal amplifying circuit, signal chain circuit and electro-optical conversion circuit, the utility model is by providing improved circuit, solve the problems, such as that the pulse power system mesohigh high current charge-discharge course of work causes strong electromagnetic to low-voltage control circuit, ensure the reliability of low-voltage signal transmission, improve the stability of system, meet the anti-interference requirement of system.
Description
Technical field
The control of trigger signal when the utility model is related to work for variable connector, more particularly to a kind of multichannel IGBT are opened
Close concatenated trigger signal control circuit.
Background technology
As semiconductor device fabrication material, manufacturing process make constant progress, opened using what semiconductor devices was constituted
The application for closing component replacement vacuum-tube switch is increasingly extensive.The switch module that semiconductor devices is constituted, is opened using multiple semiconductors
It closes pipe series-parallel system to realize, be asked for the effectively synchronism of solution multichannel series parallel switch pipe trigger signal and potential isolation
Topic, trigger signal frequently with optical fiber transmission mode, with realize variable connector pipe synchronous triggering and hi-lo circuit it is electrical
Isolation, and can effectively inhibit the interference of outer bound pair trigger signal.
In pulse power application field, due to the charge/discharge operation of system high pressure high current, strong light, strong electromagnetic will produce
Interference signal can impact low-voltage control circuit and electronic component, the malfunction of device can be caused under serious conditions
Or device failure, so as to cause system operation irregularity.
In view of the above-mentioned problems, providing a kind of novel trigger control circuit, effectively inhibits interference, improve the standard of signal transmission
True property realizes the synchronous triggering control to variable connector.
Invention content
According to the above-mentioned deficiencies of the prior art, technical problem to be solved in the utility model is to propose a kind of multichannel IGBT
Concatenated trigger signal control circuit is switched, by providing improved circuit, solves the big electricity of pulse power system mesohigh
The problem of stream charge/discharge operation process causes strong electromagnetic to low-voltage control circuit, it is ensured that low-voltage signal transmits reliable
Property, the stability of system is improved, the anti-interference requirement of system is met.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of multichannel IGBT switches series connection
Trigger signal control circuit, including photoelectric switching circuit, the first pulse shaper, the second pulse shaper, first letter
Number amplifying circuit, second signal amplifying circuit, signal chain circuit and electro-optical conversion circuit, photoelectric switching circuit receive exterior light
Trigger signal is respectively connected to the first pulse shaper and the second pulse shaper, the first pulse after being converted to electric signal
The output signal of shaping circuit is connect with the first signal amplification circuit, the anode of the first signal amplification circuit and electro-optical conversion circuit
Connection, the negative terminal of electro-optical conversion circuit connect with second signal amplifying circuit, the output signal of the second pulse shaper and the
Binary signal amplifying circuit is connected, and the output of the second pulse shaper and one end of signal chain circuit connect, interlocking of signals electricity
The output end on road is connect with the first signal amplification circuit.
In foregoing circuit, the photoelectric switching circuit includes electro-optical conversioning device E0, and 2 feet of E0 connect the negative terminal of diode V1
With one end of capacitance C4 and resistance R8, the positive ending grounding of capacitance C4 and diode V1, another termination+15V power supplys of resistance R8,
6 feet of E0 connect the first pulse shaper and the second pulse shaper respectively.First pulse shaper and the second arteries and veins
It rushes in shaping circuit and is respectively equipped with the output pulse signal adjustment circuit of resistance and capacitance composition.The first signal amplification
Circuit includes driving chip N1, and 5 feet and 7 feet of N1 connect the anode of electro-optical conversion circuit, and second signal amplifying circuit includes driving
5 feet and 7 feet of chip N3, N3 connect the negative terminal of electro-optical conversion circuit.The signal chain circuit includes resistance R6, and the one of resistance R6
End is connected to the second pulse shaper, and the other end of resistance R6 is connected to the base stage of triode V2, and the collector of V2 is connected to resistance R5,
Resistance R5 is connected to the first signal amplification circuit.
Photoelectric switching circuit receives exterior light trigger signal, and the first shaping pulse electricity is respectively connected to after being converted to electric signal
Road and the second pulse shaper, the output signal of the first pulse shaper are connect with the first signal amplification circuit, are realized and are touched
The driving current of signalling is amplified, and the anode of the first signal amplification circuit and electro-optical conversion circuit connects, electro-optical conversion circuit
The other end is connect with second signal amplifying circuit, output signal and the second signal amplifying circuit phase of the second pulse shaper
Even, one end of the output of the second pulse shaper and signal chain circuit connects, the output end of signal chain circuit and first
Signal amplification circuit connects, and realizes signal interlock function.The amplified reshaping signal of second signal amplifying circuit is input to electric light
The negative terminal of conversion circuit realizes the Current amplifier of drive signal, in the first signal amplification circuit and second signal amplifying circuit
Under synchronizing signal amplification, electro-optical conversion circuit realizes that electric signal changes into optical signal output, completes signal converting transmission.
The utility model advantageous effect is:A kind of multichannel IGBT provided by the utility model switchs concatenated trigger signal control
Circuit processed efficiently solves pulse power system mesohigh large current density electrician due to using above-mentioned circuit implementation
Make process and strong electromagnetic problem is caused to low-voltage control circuit, it is ensured that the reliability of low-voltage signal transmission improves system
Stability, meet the anti-interference requirement of system.
Description of the drawings
The content expressed by this specification attached drawing and the label in figure are briefly described below：
Fig. 1 is the schematic block circuit diagram of the utility model
Fig. 2 is the circuit diagram of the utility model；
Fig. 3 is the signal timing diagram of the utility model.
In figure：1 is photoelectric switching circuit；2 be the second pulse shaper；3 be the first pulse shaper；4 be first
Signal amplification circuit；5 be electro-optical conversion circuit；6 be signal chain circuit；7 be second signal amplifying circuit.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, for example involved each of specific embodiment of the present utility model
Mutual alignment and connection relation, the effect of each section and operation principle, manufacture work between the shape of component, construction, each section
Skill and operate with method etc., are described in further detail, to help invention of the those skilled in the art to the utility model
Design, technical solution have more complete, accurate and deep understanding.
As shown in Figure 1, a kind of multichannel IGBT switchs concatenated trigger signal control circuit, including photoelectric switching circuit, the
One pulse shaper, the second pulse shaper, the first signal amplification circuit, second signal amplifying circuit, interlocking of signals electricity
Road, electro-optical conversion circuit.After photoelectric switching circuit receives system sequence control signal, distinguish after being converted to corresponding pulse signal
Send to the first pulse shaper and the second pulse shaper, the first pulse shaper according to the failing edge of pulse signal into
Row shaping, the signal after shaping are input to the first signal amplification circuit, through the amplified reshaping signal of the first signal amplification circuit
It is input to the anode of electro-optical conversion circuit.Second pulse shaper carries out shaping according to the failing edge of pulse signal, after shaping
Signal be input to second signal amplifying circuit, be input to electro-optic conversion through the amplified reshaping signal of second signal amplifying circuit
The negative terminal of circuit, under the collective effect of the first signal amplification circuit and second signal amplifying circuit, electro-optical conversion circuit is realized
Electric signal changes into optical signal output, completes signal converting transmission.The output of second pulse shaper and signal chain circuit phase
Even, the output of signal chain circuit is connected with the first signal amplification circuit, realizes that sequential is chain, prevents from malfunctioning.
If Fig. 2 is the schematic diagram that a kind of multichannel IGBT switchs concatenated trigger signal control circuit.Photoelectric converter E0, E0
Can for optical fiber receiving end HFBR2412, E0 2 feet connect diode V1 negative terminal and capacitance C4 and resistance R8 one end, capacitance C4 and
The positive ending grounding (GND) of diode V1, another termination+15V power supplys of resistance R8, the 6 feet difference order steady state trigger N2 of E0
5 feet and 11 feet and resistance R1 one end, another termination+15V of resistance R1, ensure exterior flat trigger signal when the signal
It can be integrated circuit CD4098 to stablize in fixed current potential+15V, monostable flipflop N2.
Monostable flipflop N2 is made of the second pulse shaper N2-B and the first pulse shaper N2-A, and the 4 of N2
Foot is grounded, and 3 feet meet+15V, one end of 2 foot connecting resistance R2 and C1,1 foot of another termination N2 of another termination+15V of R2, C1,
6 feet of N2 meet 2 and 4 feet of driving chip N1 in the first signal amplification circuit, N1 models integrated circuit MC34152, resistance R2
The peripheral circuit that monostable flipflop N2 is formed with capacitance C1, to control the 6 foot output pulse signal width of monostable circuit N2,
Its pulse signal width size can need to adjust the parameter value of resistance R2 and capacitance C1 according to real work.3 feet of N1 are grounded, and 6
Foot connects+15V, one end of 5 feet and 7 foot connecting resistance R4.
12 feet of N2 are grounded, and 13 feet meet+15V, one end of 14 foot connecting resistance R3 and C2, another termination+15V of R3, C2's
15 feet of another termination N2,9 feet of N2 connect 2 and 4 feet of driving chip N3 in second signal amplifying circuit, and N3 models can be integrated
Circuit MC34152.The peripheral circuit of resistance R3 and capacitance C2 composition monostable units N2, to control 9 feet of monostable circuit N2
Output pulse signal width, pulse signal width size can need to adjust the parameter of resistance R3 and capacitance C2 according to real work
Value.3 feet of N3 are grounded, and 6 feet meet+15V, and 5 feet and 7 feet connect the negative terminal of electro-optical conversioning device En, another termination electric light of resistance R4
The negative terminal of the anode of switching device E1, E1 connects the anode of E2, is sequentially connected in series to the anode of electro-optical conversioning device En, the type of E1~En
Number can be HFBR1414, the effect of resistance R4 is to prevent the excessive damage for causing device of the electric current of electrical to optical converter E1~En.
2 feet and 4 feet of N3 are connected to one end of resistance R6, the other end of R6 be connected to capacitance C3, resistance R7 one end with
And the base stage of triode V2, the emitter ground connection of capacitance C3, the other end of resistance R7 and triode V2, the current collection of triode V2
One end of pole connecting resistance R5,5 feet and 7 feet of another termination N1 of R5.
If Fig. 3 is the signal timing diagram that a kind of multichannel IGBT switchs concatenated trigger signal control circuit.Work as opto-electronic conversion
After device E0 receives external optical signal, the light triggering input signal with failing edge pulse, the first shaping pulse will convert into
After circuit and the second pulse shaper detect the failing edge of light triggering input signal, 6 feet of monostable flipflop N2 export
Direct impulse signal, pulse width are determined that the 9 feet output of monostable flipflop N2 is negative by the numerical value of resistance R2 and capacitance C1 jointly
To pulse signal, pulse width is determined jointly by the numerical value of resistance R3 and capacitance C2, the current collection of signal chain circuit triode V2
Pole synchronism output direct impulse signal, pulse width signal width corresponding with 9 feet of monostable flipflop N2 is consistent, in monostable
6 feet of trigger N2,9 feet of monostable flipflop N2, signal chain circuit triode V2 three signals of collector it is common
Under effect, electro-optical conversion circuit could work normally, and corresponding electric signal is converted to optical output signal.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using the methodology of the utility model and various unsubstantialities that technical solution carries out change
Into, or it is not improved the design of the utility model and technical solution are directly applied into other occasions, in the utility model
Protection domain within.The scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of multichannel IGBT switchs concatenated trigger signal control circuit, which is characterized in that including photoelectric switching circuit, first
Pulse shaper, the second pulse shaper, the first signal amplification circuit, second signal amplifying circuit, signal chain circuit
And electro-optical conversion circuit, photoelectric switching circuit receive exterior light trigger signal, the first arteries and veins are respectively connected to after being converted to electric signal
Shaping circuit and the second pulse shaper are rushed, the output signal of the first pulse shaper connects with the first signal amplification circuit
It connects, the anode connection of the first signal amplification circuit and electro-optical conversion circuit, negative terminal and the second signal of electro-optical conversion circuit are amplified
Circuit connects, and the output signal of the second pulse shaper is connected with second signal amplifying circuit, the second pulse shaper
Output is connect with one end of signal chain circuit, and the output end of signal chain circuit is connect with the first signal amplification circuit.
2. multichannel IGBT according to claim 1 switchs concatenated trigger signal control circuit, which is characterized in that the light
Power conversion circuit includes electro-optical conversioning device E0, and 2 feet of E0 connect one end of the negative terminal and capacitance C4 and resistance R8 of diode V1,
The positive ending grounding of capacitance C4 and diode V1, another termination+15V power supplys of resistance R8,6 feet of E0 connect the first shaping pulse respectively
Circuit and the second pulse shaper.
3. multichannel IGBT according to claim 1 switchs concatenated trigger signal control circuit, which is characterized in that described the
The output pulse signal width tune of resistance and capacitance composition is respectively equipped in one pulse shaper and the second pulse shaper
Economize on electricity road.
4. multichannel IGBT according to claim 1 switchs concatenated trigger signal control circuit, which is characterized in that described the
One signal amplification circuit includes driving chip N1, and 5 feet and 7 feet of N1 connect the anode of electro-optical conversion circuit, second signal amplification electricity
Road includes driving chip N3, and 5 feet and 7 feet of N3 connect the negative terminal of electro-optical conversion circuit.
5. multichannel IGBT according to claim 1 switchs concatenated trigger signal control circuit, which is characterized in that the letter
Number interlock circuit includes resistance R6, and one end of resistance R6 is connected to the second pulse shaper, and the other end of resistance R6 is connected to three poles
The collector of the base stage of pipe V2, V2 is connected to resistance R5, and resistance R5 is connected to the first signal amplification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625195.2U CN208046583U (en) | 2018-04-28 | 2018-04-28 | A kind of concatenated trigger signal control circuit of multichannel IGBT switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625195.2U CN208046583U (en) | 2018-04-28 | 2018-04-28 | A kind of concatenated trigger signal control circuit of multichannel IGBT switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208046583U true CN208046583U (en) | 2018-11-02 |
Family
ID=63928070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820625195.2U Active CN208046583U (en) | 2018-04-28 | 2018-04-28 | A kind of concatenated trigger signal control circuit of multichannel IGBT switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208046583U (en) |
-
2018
- 2018-04-28 CN CN201820625195.2U patent/CN208046583U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230801 Address after: 241000 No.10 Ruifu Road, Longshan street, Wuhu Economic and Technological Development Zone, Anhui Province Patentee after: Wuhu maikewei Electromagnetic Technology Co.,Ltd. Address before: 241000 west side of Jiuhua North Road, Jiujiang Development Zone, Wuhu City, Anhui Province Patentee before: WUHU ZHONGDIAN ZHAOWEI ELECTRONIC Co.,Ltd. |