CN107295736A - A kind of autompulse for X-ray machine adjusts high-tension circuit - Google Patents
A kind of autompulse for X-ray machine adjusts high-tension circuit Download PDFInfo
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- CN107295736A CN107295736A CN201710492536.3A CN201710492536A CN107295736A CN 107295736 A CN107295736 A CN 107295736A CN 201710492536 A CN201710492536 A CN 201710492536A CN 107295736 A CN107295736 A CN 107295736A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/36—Temperature of anode; Brightness of image power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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Abstract
High-tension circuit is adjusted the invention discloses a kind of autompulse for X-ray machine, including image detector, control circuit and high-tension circuit, image detector is according to the output adjustment brightness of image of high-tension circuit, brightness of image is detected and image luminance information feeding is controlled into circuit, control circuit adjusts the pulsewidth of its output signal according to image luminance information, and output signal is sent into high-tension circuit, high-tension circuit carries out the amplification and inversion of signal and output signal is sent into image detector.The image luminance information that the control circuit of the present invention can be detected according to image detector adjusts the pulsewidth of its output signal, size and frequency that high-tension circuit changes its output voltage are inputted again, and then image detector is changed the brightness of image according to the output voltage of high-tension circuit, reach the effect of autompulse adjustment.
Description
Technical field
The present invention relates to the X-ray machine with automatically-perspective function, more particularly to a kind of autompulse for X-ray machine is adjusted
Whole high-tension circuit.
Background technology
Existing medical X ray machine, has portioned product to have automatically-perspective function according to the actual requirements, the work(is realized now
It can be substantially and be completed by way of high-tension circuit adjusts voltage and current.With the development of X-ray production apparatus technology, in order to realize
Output ray, more accurately realizes autompulse adjustment, it is necessary to which a kind of control high-tension circuit by image feedback faster
The pulsewidth and frequency of drive signal realize the high-tension circuit of function.
The content of the invention
Goal of the invention：It is an object of the invention to provide it is a kind of can solve the problem that defect present in prior art be used for X-ray
The autompulse adjustment high-tension circuit of machine.
Technical scheme：To reach this purpose, the present invention uses following technical scheme：
Autompulse of the present invention for X-ray machine adjusts high-tension circuit, including image detector, control circuit and
High-tension circuit, high-tension circuit includes inverter circuit, and image detector adjusts brightness of image according to the power output of high-tension circuit, and
And brightness of image is detected and by image luminance information feeding control circuit, controls circuit to be adjusted according to image luminance information
The pulsewidth of its output signal, and output signal is sent into high-tension circuit, high-tension circuit carries out the amplification of signal and controls inversion electricity
Road changes output voltage, and output voltage then is sent into image detector.
Further, the control circuit includes digital quantity detection module, and digital quantity detection module sends image detector
Image luminance information carry out digital quantity detection, obtain image feedback signal and image benchmark signal, then to image feedback believe
Number and image benchmark signal be removed invalid signals and ripple dithering process, then by the image feedback signal and image after processing
Reference signal is converted to KV input control signals, and KV inputs control signal then is converted into analog signal, analog signal is entered
Exported after row enhanced processing to high-tension circuit.
Further, removal invalid signals and the ripple shake is realized by circuits below：Image feedback signal is inputted
Electric capacity C2 one end, the other end of the electric capacity C2 other end, the resistance R2 other end and electric capacity C1 is grounded, electric capacity C2 one end
Resistance R2 one end and resistance R1 one end are also respectively connected with, the resistance R1 other end connects electric capacity C1 one end, electric capacity C1's
Image feedback signal after the output processing of one end；By image benchmark signal input resistance R3 one end, the resistance R3 other end point
Not Lian Jie electric capacity C4 one end and inductance L1 one end, electric capacity the C4 other end, the electric capacity C3 other end and two-way two pole of transition
The pipe TVS1 other end is grounded, and the inductance L1 other end connects electric capacity C3 one end and transition bilateral diode TVS1 respectively
One end, the image benchmark signal after transition bilateral diode TVS1 one end output processing.
Further, it is described to analog signal be amplified processing by circuits below realization：By analog signal input resistance
R5 one end, resistance R5 other end concatenation operation amplifier U3A in-phase input end, operational amplifier U3A anti-phase input
End and output end are all connected with resistance R6 one end, resistance R6 other end connection electric capacity C7 one end, electric capacity C7 another termination
Ground, electric capacity C7 one end outputs signal to high-tension circuit.
Further, the high-tension circuit includes electric capacity C8, the output signal feeding electric capacity C8 of control circuit one end, electric capacity
C8 other end ground connection, electric capacity C8 one end is also connected with resistance R7 one end, and the resistance R7 other end connects resistance R8's respectively
One end and electric capacity C9 one end, electric capacity C9 other end ground connection, resistance R8 other end connection PNP type triode Q804 base
Pole, triode Q804 grounded collector, triode Q804 emitter stage connects resistance R9 one end and NPN type triode respectively
Q805 base stage, the resistance R9 other end connects power supply and electrochemical capacitor EC1 positive pole respectively, and electrochemical capacitor EC1's is negative
Pole is grounded, and triode Q805 emitter stage is grounded by resistance R10, is sent out in triode Q805 colelctor electrode connection linear optical coupling U4
First photoelectricity in the anode connection power supply of light emitting diode, linear optical coupling U4 in the negative electrode of optical diode, linear optical coupling U4
The plus earth of first photodiode, linear light in the negative electrode connecting triode Q804 of diode base stage, linear optical coupling U4
Second photodiode in the negative electrode connection PNP type triode Q2 of second photodiode base stage, linear optical coupling U4 in coupling U4
Anode connecting triode Q2 colelctor electrode, triode Q2 colelctor electrode is also grounded, and triode Q2 emitter stage passes through resistance R11
Ground connection, triode Q2 emitter stage is also connected with low-power consumption single channel operational amplifier U5 in-phase input end, low-power consumption single channel computing
Amplifier U5 output end connecting triode Q2 base stage, low-power consumption single channel operational amplifier U5 supply voltage end connection driving
The output end connection inverter circuit of circuit drives circuit, the output end connection image detector of inverter circuit.
Further, the inverter circuit includes the first transformer T11 and the second transformer T211, the first transformer T11's
Armature winding connects drive circuit, and the non-same polarity of the first transformer T11 the first secondary windings connects resistance R111 one end,
The resistance R111 other end connects voltage-stabiliser tube D111 anode and IGBT pipes J311 gate pole respectively, and voltage-stabiliser tube D111 negative electrode connects
Voltage-stabiliser tube D112 negative electrode is connect, voltage-stabiliser tube D112 anode connects the of the same name of the first transformer T11 the first secondary windings respectively
End and IGBT pipes J311 emitter stage, the non-same polarity of the first transformer T11 second subprime winding connect resistance R511 respectively
One end, voltage-stabiliser tube D711 anode and IGBT pipes J111 emitter stage, the resistance R511 other end connects resistance respectively
The gate pole of R611 one end, voltage-stabiliser tube D811 anode and IGBT pipes J111, resistance R611 other end connection second subprime
The Same Name of Ends of winding, voltage-stabiliser tube D811 negative electrode connection voltage-stabiliser tube D711 negative electrode, IGBT pipes J111 colelctor electrode is connected respectively
Power positive voltage and transition bilateral diode D1011 one end, and transition bilateral diode D1011 one end is also respectively connected with electric capacity
One end of C411 one end, electric capacity C311 one end and electric capacity C111, electric capacity C411 other end connection transition bilateral diode
D911 one end, the electric capacity C311 other end connects electric capacity C711 one end, IGBT pipes J311 emitter stage and IGBT respectively
Pipe J411 emitter stage, electric capacity C711 other end connection resistance R1011 one end, the resistance R1011 other end is connected respectively
Resistance R811 one end, the transition bilateral diode D911 other end, the transition bilateral diode D1011 other end, IGBT pipes
The other end of J311 colelctor electrode and image detector resistance R811 other end connection electric capacity C111, IGBT pipes J111 hair
Emitter-base bandgap grading is also connected with IGBT pipes J311 colelctor electrode, and IGBT pipes J311 emitter stage is also connected with negative voltage of powering；Second transformer
T211 secondary windings connection drive circuit, the non-same polarity connection resistance R211 of the second transformer T211 the first armature winding
One end, the resistance R211 other end connects voltage-stabiliser tube D411 anode, resistance R311 one end and IGBT pipes J411 respectively
Gate pole, voltage-stabiliser tube D411 negative electrode connection voltage-stabiliser tube D311 negative electrode, voltage-stabiliser tube D311 anode connects resistance R311 respectively
The other end, the Same Name of Ends of the first armature winding and IGBT pipes J411 emitter stage, the second of the second transformer T211 be primary
The non-same polarity of winding connects resistance R411 one end and IGBT pipes J211 emitter stage, resistance R411 other end difference respectively
Connect voltage-stabiliser tube D611 anode, resistance R711 one end and IGBT pipes J211 gate pole, resistance R711 other end connection
The Same Name of Ends of second armature winding, voltage-stabiliser tube D611 negative electrode connection voltage-stabiliser tube D511 negative electrode, voltage-stabiliser tube D511 anode connects
Connect the non-same polarity of the second armature winding, IGBT pipes J211 emitter stage connection IGBT pipes J411 colelctor electrode, IGBT pipes J211
Colelctor electrode connection power supply positive voltage, IGBT pipes J411 colelctor electrode connects image detector, transition bilateral diode respectively
One end of D1111 one end, transition bilateral diode D1211 one end and resistance R1111, transition bilateral diode D1111
The other end connect IGBT pipes J211 colelctor electrode and electric capacity C511 one end respectively, the electric capacity C511 other end connects wink respectively
Become bilateral diode the D1211 other end, electric capacity C611 one end, electric capacity C811 one end and IGBT pipes J411 transmitting
Pole, electric capacity C511 one end is also respectively connected with the electric capacity C611 other end and electric capacity C211 one end, the electric capacity C211 other end
Connect resistance R911 one end, resistance R911 other end connection resistance R1111 one end, resistance R1111 other end connection
The electric capacity C811 other end.
Beneficial effect：High-tension circuit is adjusted the invention discloses a kind of autompulse for X-ray machine, control circuit can
The image luminance information detected according to image detector adjusts the pulsewidth of its output signal, then inputs high-tension circuit to change its defeated
Go out the size and frequency of voltage, and then image detector is changed the brightness of image according to the output voltage of high-tension circuit, reach
The effect of autompulse adjustment.
Brief description of the drawings
Fig. 1 is the way circuit figure of the specific embodiment of the invention；
Fig. 2 is the circuit diagram of the inverter circuit of the specific embodiment of the invention.
Embodiment
Technical scheme is further introduced with reference to embodiment and accompanying drawing.
Present embodiment discloses a kind of autompulse for X-ray machine and adjusts high-tension circuit, as shown in figure 1, bag
Image detector 3, control circuit 2 and high-tension circuit 1 are included, image detector 3 is bright according to the output adjustment image of high-tension circuit 1
Degree, is detected to brightness of image and by image luminance information feeding control circuit 2, control circuit 2 is according to image luminance information
The pulsewidth of its output signal is adjusted, and output signal is sent into high-tension circuit 1, high-tension circuit 1 carries out the amplification and inversion of signal
And output signal is sent into image detector 3.
Circuit 2 is controlled to include digital quantity detection module, the brightness of image that digital quantity detection module sends image detector 3
Information carries out digital quantity detection, image feedback signal and image benchmark signal is obtained, then to image feedback signal and image base
Calibration signal is removed invalid signals and ripple dithering process, then the image feedback signal after processing and image benchmark signal are turned
KV input control signals are changed to, KV inputs control signal is then converted into analog signal, processing is amplified to analog signal
After export to high-tension circuit 1.Digital quantity detection module can use model T6650P active high-precision isolating transmitter U1.Will
Image feedback signal and image benchmark signal after processing are converted to KV inputs control signal and can realized by CPU, and KV is inputted
Control signal is converted to analog signal and can realized by model TS5A23157 analog switch U2.
Wherein, invalid signals are removed and ripple shake is realized by circuits below：By image feedback signal input capacitance C2
One end, the other end of the electric capacity C2 other end, the resistance R2 other end and electric capacity C1 is grounded, and electric capacity C2 one end is also distinguished
Resistance R2 one end and resistance R1 one end are connected, resistance R1 other end connection electric capacity C1 one end, electric capacity C1 one end is defeated
The image feedback signal gone out after processing；By image benchmark signal input resistance R3 one end, the resistance R3 other end is connected respectively
Electric capacity C4 one end and inductance L1 one end, electric capacity the C4 other end, the electric capacity C3 other end and transition bilateral diode TVS1
The other end be grounded, the inductance L1 other end connects electric capacity C3 one end and transition bilateral diode TVS1 one end respectively,
Image benchmark signal after transition bilateral diode TVS1 one end output processing.
Processing is amplified to analog signal to realize by circuits below：By analog signal input resistance R5 one end, electricity
R5 other end concatenation operation amplifier U3A in-phase input end is hindered, operational amplifier U3A inverting input and output end is equal
Connect resistance R6 one end, resistance R6 other end connection electric capacity C7 one end, electric capacity C7 other end ground connection, the one of electric capacity C7
End outputs signal to high-tension circuit 1.
High-tension circuit 1 includes inverter circuit 11, drive circuit 12 and amplifying circuit 13, as shown in figure 1, also including electric capacity
C8, the output signal feeding electric capacity C8 of control circuit 2 one end, electric capacity C8 other end ground connection, electric capacity C8 one end is also connected with
Resistance R7 one end, the resistance R7 other end connects resistance R8 one end and electric capacity C9 one end, the electric capacity C9 other end respectively
Ground connection, resistance R8 other end connection PNP type triode Q804 base stage, triode Q804 grounded collector, triode
Q804 emitter stage connects resistance R9 one end and NPN type triode Q805 base stage respectively, and the resistance R9 other end connects respectively
Power supply and electrochemical capacitor EC1 positive pole are connect, electrochemical capacitor EC1 negative pole ground connection, triode Q805 emitter stage passes through electricity
Hinder and lighted in the negative electrode of light emitting diode in R10 ground connection, triode Q805 colelctor electrode connection linear optical coupling U4, linear optical coupling U4
The negative electrode connecting triode Q804 of first photodiode base in the anode connection power supply of diode, linear optical coupling U4
The negative electrode of the second photodiode is connected in the plus earth of the first photodiode, linear optical coupling U4 in pole, linear optical coupling U4
The anode connecting triode Q2 of second photodiode colelctor electrode, three poles in PNP type triode Q2 base stage, linear optical coupling U4
Pipe Q2 colelctor electrode is also grounded, and triode Q2 emitter stage is grounded by resistance R11, and triode Q2 emitter stage is also connected with low work(
Consume single channel operational amplifier U5 in-phase input end, low-power consumption single channel operational amplifier U5 output end connecting triode Q2 base
Pole, the output end connection inversion of the low-power consumption single channel operational amplifier U5 supply voltage end connection drive circuit 12 of drive circuit 12
Circuit 11, the output end connection image detector 3 of inverter circuit 11.
As shown in Fig. 2 inverter circuit 11 includes the first transformer T11 and the second transformer T211, the first transformer T11's
Armature winding connects drive circuit 12, the one of the non-same polarity connection resistance R111 of the first transformer T11 the first secondary windings
End, the resistance R111 other end connects voltage-stabiliser tube D111 anode and IGBT pipes J311 gate pole, voltage-stabiliser tube D111 the moon respectively
Pole connection voltage-stabiliser tube D112 negative electrode, voltage-stabiliser tube D112 anode connects the first transformer T11 the first secondary windings respectively
The emitter stage of Same Name of Ends and IGBT pipes J311, the non-same polarity of the first transformer T11 second subprime winding connects resistance respectively
The emitter stage of R511 one end, voltage-stabiliser tube D711 anode and IGBT pipes J111, the resistance R511 other end connects electricity respectively
Hinder R611 one end, voltage-stabiliser tube D811 anode and IGBT pipes J111 gate pole, second of resistance R611 other end connection
The Same Name of Ends of level winding, voltage-stabiliser tube D811 negative electrode connection voltage-stabiliser tube D711 negative electrode, IGBT pipes J111 colelctor electrode connects respectively
Power supply positive voltage and transition bilateral diode D1011 one end are connect, transition bilateral diode D1011 one end is also respectively connected with electricity
Hold one end of C411 one end, electric capacity C311 one end and electric capacity C111, electric capacity C411 two-way two pole of other end connection transition
Pipe D911 one end, the electric capacity C311 other end connect respectively electric capacity C711 one end, IGBT pipes J311 emitter stage and
IGBT pipes J411 emitter stage, electric capacity C711 other end connection resistance R1011 one end, resistance R1011 other end difference
Connect resistance R811 one end, the transition bilateral diode D911 other end, the transition bilateral diode D1011 other end,
IGBT pipes J311 colelctor electrode and image detector 3, the resistance R811 other end connection electric capacity C111 other end, IGBT pipes
J111 emitter stage is also connected with IGBT pipes J311 colelctor electrode, and IGBT pipes J311 emitter stage is also connected with negative voltage of powering；Second
Transformer T211 secondary windings connection drive circuit 12, the non-same polarity connection of the second transformer T211 the first armature winding
Resistance R211 one end, the resistance R211 other end connect respectively voltage-stabiliser tube D411 anode, resistance R311 one end and
IGBT pipes J411 gate pole, voltage-stabiliser tube D411 negative electrode connection voltage-stabiliser tube D311 negative electrode, voltage-stabiliser tube D311 anode connects respectively
The emitter stage of the connecting resistance R311 other end, the Same Name of Ends of the first armature winding and IGBT pipes J411, the second transformer T211
The non-same polarity of the second armature winding connect resistance R411 one end and IGBT pipes J211 emitter stage respectively, resistance R411's
The other end connects the gate pole of voltage-stabiliser tube D611 anode, resistance R711 one end and IGBT pipes J211 respectively, resistance R711's
The other end connects the Same Name of Ends of the second armature winding, voltage-stabiliser tube D611 negative electrode connection voltage-stabiliser tube D511 negative electrode, voltage-stabiliser tube
D511 anode connects the non-same polarity of the second armature winding, IGBT pipes J211 emitter stage connection IGBT pipes J411 current collection
Pole, IGBT pipes J211 colelctor electrode connection power supply positive voltage, IGBT pipes J411 colelctor electrode connects image detector 3, wink respectively
Become one end of bilateral diode D1111 one end, transition bilateral diode D1211 one end and resistance R1111, transition is two-way
The diode D1111 other end connects IGBT pipes J211 colelctor electrode and electric capacity C511 one end respectively, and electric capacity C511's is another
End connects the transition bilateral diode D1211 other end, electric capacity C611 one end, electric capacity C811 one end and IGBT pipes respectively
J411 emitter stage, electric capacity C511 one end is also respectively connected with the electric capacity C611 other end and electric capacity C211 one end, electric capacity
C211 other end connection resistance R911 one end, resistance R911 other end connection resistance R1111 one end, resistance R1111
Other end connection electric capacity C811 the other end.
Claims (6)
1. a kind of autompulse for X-ray machine adjusts high-tension circuit, it is characterised in that：Including image detector (3), control electricity
Road (2) and high-tension circuit (1), high-tension circuit (1) include inverter circuit (11), and image detector (3) is according to high-tension circuit (1)
Power output adjusts brightness of image, and brightness of image is detected and by image luminance information feeding control circuit (2), controlled
Circuit (2) processed adjusts the pulsewidth of its output signal according to image luminance information, and output signal is sent into high-tension circuit (1), high
Volt circuit (1) carries out the amplification of signal and controls inverter circuit (11) to change output voltage, and output voltage then is sent into image
Detector (3).
2. the autompulse according to claim 1 for X-ray machine adjusts high-tension circuit, it is characterised in that：The control
Circuit (2) includes digital quantity detection module, and the image luminance information that digital quantity detection module sends image detector (3) is carried out
Digital quantity is detected, obtains image feedback signal and image benchmark signal, then image feedback signal and image benchmark signal are entered
Row removes invalid signals and ripple dithering process, then that the image feedback signal and image benchmark signal after processing are converted into KV is defeated
Enter control signal, then by KV input control signal be converted to analog signal, to analog signal be amplified processing after export to
High-tension circuit (1).
3. the autompulse according to claim 2 for X-ray machine adjusts high-tension circuit, it is characterised in that：It is described to remove
Invalid signals and ripple shake are realized by circuits below：By image feedback signal input capacitance C2 one end, electric capacity C2's is another
The other end of one end, the resistance R2 other end and electric capacity C1 is grounded, and electric capacity C2 one end is also respectively connected with resistance R2 one end
With resistance R1 one end, resistance R1 other end connection electric capacity C1 one end, the image after electric capacity C1 one end output processing is anti-
Feedback signal；By image benchmark signal input resistance R3 one end, the resistance R3 other end connects electric capacity C4 one end and electricity respectively
Feel L1 one end, the other end of the electric capacity C4 other end, the electric capacity C3 other end and transition bilateral diode TVS1 is grounded, electricity
The sense L1 other end connects electric capacity C3 one end and transition bilateral diode TVS1 one end, transition bilateral diode TVS1 respectively
One end output processing after image benchmark signal.
4. the autompulse according to claim 2 for X-ray machine adjusts high-tension circuit, it is characterised in that：It is described to mould
Plan signal is amplified processing and passes through circuits below realization：By analog signal input resistance R5 one end, the resistance R5 other end
Concatenation operation amplifier U3A in-phase input end, operational amplifier U3A inverting input and output end are all connected with resistance R6's
One end, resistance R6 other end connection electric capacity C7 one end, electric capacity C7 other end ground connection, electric capacity C7 one end is outputed signal to
High-tension circuit (1).
5. the autompulse according to claim 1 for X-ray machine adjusts high-tension circuit, it is characterised in that：The high pressure
Circuit (1) includes electric capacity C8, the output signal feeding electric capacity C8 of control circuit (2) one end, electric capacity C8 other end ground connection, electricity
The one end for holding C8 is also connected with resistance R7 one end, the resistance R7 other end connect respectively resistance R8 one end and electric capacity C9 one
End, electric capacity C9 other end ground connection, resistance R8 other end connection PNP type triode Q804 base stage, triode Q804 collection
Electrode is grounded, and triode Q804 emitter stage connects resistance R9 one end and NPN type triode Q805 base stage, resistance R9 respectively
The other end connect power supply and electrochemical capacitor EC1 positive pole, electrochemical capacitor EC1 negative pole ground connection, triode Q805 respectively
Emitter stage be grounded by resistance R10, the negative electrode of light emitting diode, line in triode Q805 colelctor electrode connection linear optical coupling U4
Property optocoupler U4 in light emitting diode anode connection power supply, the negative electrode connection three of the first photodiode in linear optical coupling U4
The pole of second photoelectricity two in the plus earth of first photodiode, linear optical coupling U4 in pole pipe Q804 base stage, linear optical coupling U4
The anode connecting triode Q2 of second photodiode in the negative electrode connection PNP type triode Q2 of pipe base stage, linear optical coupling U4
Colelctor electrode, triode Q2 colelctor electrode is also grounded, and triode Q2 emitter stage is grounded by resistance R11, triode Q2 hair
Emitter-base bandgap grading is also connected with low-power consumption single channel operational amplifier U5 in-phase input end, and low-power consumption single channel operational amplifier U5 output end connects
Connect triode Q2 base stage, low-power consumption single channel operational amplifier U5 supply voltage end connection drive circuit (12) drive circuit
(12) output end connection inverter circuit (11), the output end connection image detector (3) of inverter circuit (11).
6. the autompulse according to claim 1 for X-ray machine adjusts high-tension circuit, it is characterised in that：The inversion
Circuit (11) includes the first transformer T11 and the second transformer T211, the first transformer T11 armature winding connection drive circuit
(12), the non-same polarity connection resistance R111 of the first transformer T11 the first secondary windings one end, the resistance R111 other end
Voltage-stabiliser tube D111 anode and IGBT pipes J311 gate pole, voltage-stabiliser tube D111 negative electrode connection voltage-stabiliser tube D112 the moon are connected respectively
Pole, voltage-stabiliser tube D112 anode connects the Same Name of Ends and IGBT pipes J311 of the first transformer T11 the first secondary windings respectively
Emitter stage, the non-same polarity of the first transformer T11 second subprime winding connects resistance R511 one end, voltage-stabiliser tube D711 respectively
Anode and IGBT pipes J111 emitter stage, the resistance R511 other end connects resistance R611 one end, voltage-stabiliser tube respectively
D811 anode and IGBT pipes J111 gate pole, the resistance R611 other end connect the Same Name of Ends of second subprime winding, voltage stabilizing
Pipe D811 negative electrode connection voltage-stabiliser tube D711 negative electrode, IGBT pipes J111 colelctor electrode connects power supply positive voltage respectively and transition is double
To diode D1011 one end, transition bilateral diode D1011 one end is also respectively connected with electric capacity C411 one end, electric capacity
C311 one end and electric capacity C111 one end, electric capacity C411 other end connection transition bilateral diode D911 one end, electric capacity
The C311 other end connects the emitter stage of electric capacity C711 one end, IGBT pipes J311 emitter stage and IGBT pipes J411 respectively,
Electric capacity C711 other end connection resistance R1011 one end, the resistance R1011 other end connect respectively resistance R811 one end,
The transition bilateral diode D911 other end, the transition bilateral diode D1011 other end, IGBT pipes J311 colelctor electrode and
Image detector (3), the resistance R811 other end connection electric capacity C111 other end, IGBT pipes J111 emitter stage is also connected with
IGBT pipes J311 colelctor electrode, IGBT pipes J311 emitter stage is also connected with negative voltage of powering；Second transformer T211 it is secondary around
Group connection drive circuit (12), the non-same polarity connection resistance R211 of the second transformer T211 the first armature winding one end,
The resistance R211 other end connects the gate pole of voltage-stabiliser tube D411 anode, resistance R311 one end and IGBT pipes J411 respectively,
Voltage-stabiliser tube D411 negative electrode connection voltage-stabiliser tube D311 negative electrode, voltage-stabiliser tube D311 anode connects the another of resistance R311 respectively
The emitter stage at end, the Same Name of Ends of the first armature winding and IGBT pipes J411, the second transformer T211 the second armature winding
Non-same polarity connects resistance R411 one end and IGBT pipes J211 emitter stage respectively, and the resistance R411 other end is connected surely respectively
The gate pole of pressure pipe D611 anode, resistance R711 one end and IGBT pipes J211, at the beginning of resistance R711 other end connection second
The Same Name of Ends of level winding, voltage-stabiliser tube D611 negative electrode connection voltage-stabiliser tube D511 negative electrode, voltage-stabiliser tube D511 anode connection second
The non-same polarity of armature winding, IGBT pipes J211 emitter stage connection IGBT pipes J411 colelctor electrode, IGBT pipes J211 current collection
Pole connection power supply positive voltage, IGBT pipes J411 colelctor electrode connects image detector (3), transition bilateral diode D1111 respectively
One end, transition bilateral diode D1211 one end and resistance R1111 one end, transition bilateral diode D1111's is another
End connection IGBT pipes J211 colelctor electrode and electric capacity C511 respectively one end, it is two-way that the electric capacity C511 other end connects transition respectively
The diode D1211 other end, electric capacity C611 one end, electric capacity C811 one end and IGBT pipes J411 emitter stage, electric capacity
C511 one end is also respectively connected with the electric capacity C611 other end and electric capacity C211 one end, electric capacity C211 other end connection resistance
R911 one end, resistance R911 other end connection resistance R1111 one end, resistance R1111 other end connection electric capacity C811
The other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710492536.3A CN107295736B (en) | 2017-06-26 | 2017-06-26 | A kind of autompulse adjustment high-tension circuit for X-ray machine |
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| CN1350769A (en) * | 1999-03-02 | 2002-05-22 | 浜松光子学株式会社 | X-ray generator, X-ray imaging apparatus and X-ray inspection system |
| CN1485610A (en) * | 2002-09-26 | 2004-03-31 | 株式会社岛津制作所 | Electronic apparatus and method of switching connection destination of the same |
| CN1874726A (en) * | 2003-10-29 | 2006-12-06 | 皇家飞利浦电子股份有限公司 | Device and method for adjusting imaging parameters of an X-ray apparatus |
| CN202713155U (en) * | 2012-08-02 | 2013-01-30 | 邵波 | Power supply control system of detector of X-ray spectrometer |
| CN105405121A (en) * | 2015-10-21 | 2016-03-16 | 深圳市安健科技有限公司 | Method and system used for adjusting X-ray perspective image brightness |
| CN106803418A (en) * | 2015-11-25 | 2017-06-06 | 上海和辉光电有限公司 | Method for displaying image, the drive circuit shown for image and display device |
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2017
- 2017-06-26 CN CN201710492536.3A patent/CN107295736B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350769A (en) * | 1999-03-02 | 2002-05-22 | 浜松光子学株式会社 | X-ray generator, X-ray imaging apparatus and X-ray inspection system |
| CN1485610A (en) * | 2002-09-26 | 2004-03-31 | 株式会社岛津制作所 | Electronic apparatus and method of switching connection destination of the same |
| CN1874726A (en) * | 2003-10-29 | 2006-12-06 | 皇家飞利浦电子股份有限公司 | Device and method for adjusting imaging parameters of an X-ray apparatus |
| CN202713155U (en) * | 2012-08-02 | 2013-01-30 | 邵波 | Power supply control system of detector of X-ray spectrometer |
| CN105405121A (en) * | 2015-10-21 | 2016-03-16 | 深圳市安健科技有限公司 | Method and system used for adjusting X-ray perspective image brightness |
| CN106803418A (en) * | 2015-11-25 | 2017-06-06 | 上海和辉光电有限公司 | Method for displaying image, the drive circuit shown for image and display device |
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| CN107295736B (en) | 2019-02-19 |
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