CN208424228U - A kind of more voltage doubling rectifing circuits and more voltage multiplying rectifier devices - Google Patents
A kind of more voltage doubling rectifing circuits and more voltage multiplying rectifier devices Download PDFInfo
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- CN208424228U CN208424228U CN201820676956.7U CN201820676956U CN208424228U CN 208424228 U CN208424228 U CN 208424228U CN 201820676956 U CN201820676956 U CN 201820676956U CN 208424228 U CN208424228 U CN 208424228U
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Abstract
The utility model discloses a kind of more voltage doubling rectifing circuits and more voltage multiplying rectifier devices, more voltage doubling rectifing circuits include pulse-width controlled module, recommend module, transformer and voltage doubling rectifier module；By pulse-width controlled module output pulse signal to recommending module, and the pulse width of pulse signal is adjusted according to the feedback voltage received；It is increased by recommending module according to the primary voltage of current PRF signal driving transformer, and couple the secondary of output to transformer, transformer exports secondary voltage to voltage doubling rectifier module, the DC voltage of two-way same size is exported to light pipe after carrying out rectifying and wave-filtering to secondary voltage by voltage doubling rectifier module, and DC voltage is fed back into pulse-width controlled module, so that DC voltage is increased to predeterminated voltage.The DC voltage that the utility model can export two-way same size is exported again after being superimposed to x-ray source, drives light pipe work, so that the voltage at x-ray source both ends increases, power increases, can effectively promote accuracy when X-ray source detection.
Description
Technical field
The utility model relates to voltage multiplying rectifier technical field, in particular to a kind of more voltage doubling rectifing circuits and more voltage multiplying rectifiers
Device.
Background technique
Voltage multiplying rectifier is the technology for obtaining high direct voltage, and voltage is distinguished in rectification and guide function using diode
It is stored in circuit on respective capacitor, connects by the principle that electromotive force polarity is added, obtain high direct voltage from output end.It is existing
The voltage doubling rectifing circuit for x-ray source be usually single voltage doubling rectifing circuit, since the pressure-resistant problem limitation of component is single
Voltage multiplying rectifier output voltage is lower, and the voltage and current for being applied to the both ends of light pipe is also smaller, so that the power of light pipe could not reach
To higher.When x-ray source is for detecting the higher object of thickness greater density, if the power of light pipe is small, detecting object
It will seem smudgy.On the other hand, in existing voltage doubling rectifing circuit, though high-voltage sampling resistance and current sampling resistor
So altogether, but some electric currents that cannot directly take the electric current of DC loop and control circuit is caused to sample not are true electric current
Value carries out the voltage and current regulation at X-tube both ends according to the electric current of sampling, leads to error often occur.
Thus the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of more voltage doubling rectifing circuits
With more voltage multiplying rectifier devices, driven using the X-ray of two-way or the symmetrical relatively independent source-series composition of voltage multiplying rectifier of multichannel
High-voltage power supply exports again to x-ray source after capable of exporting the DC voltage superposition of two-way same size, drives light pipe work；This more times
Voltage rectifier and more voltage multiplying rectifier devices not only can be carried out the sampling of voltage and electric current, and realization is precisely controlled X-ray tube；
And the voltage at x-ray source both ends is increased, power increase, it can effectively promote accuracy when X-ray source detection.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of more voltage doubling rectifing circuits, connect with the light pipe in x-ray source comprising pulse-width controlled module recommends mould
Block, transformer and voltage doubling rectifier module；By pulse-width controlled module output pulse signal to recommending module, and it is anti-according to what is received
Feedthrough voltage adjusts the pulse width of the pulse signal；By recommending module according to the primary electrical of current PRF signal driving transformer
Pressure increases, and couples the secondary of output to transformer, and the transformer exports secondary voltage to voltage doubling rectifier module, by multiplication of voltage
The DC voltage that rectification module carries out exporting two-way same size after rectifying and wave-filtering to the secondary voltage, and will to the light pipe
The DC voltage feeds back to pulse-width controlled module, and the DC voltage is made to be increased to predeterminated voltage.
In more voltage doubling rectifing circuits, the module of recommending includes the first driving unit and the second driving unit, institute
Pulse-width controlled module is stated to be specifically used for exporting the first pulse signal and the second pulse signal respectively to the first driving unit and second
Driving unit, first driving unit and the second driving unit are respectively according to first pulse signal and the second pulse signal
On or off is increased with the primary voltage of driving transformer.
In more voltage doubling rectifing circuits, the voltage doubling rectifier module includes the first voltage multiplying rectifier unit and the second multiplication of voltage
Rectification unit, the first voltage multiplying rectifier unit and the second voltage multiplying rectifier unit carry out rectifying and wave-filtering to the secondary voltage respectively
The DC voltage of same size is exported afterwards to the light pipe, and the DC voltage is fed back into pulse-width controlled module, is made described
DC voltage is increased to predeterminated voltage.
In more voltage doubling rectifing circuits, first driving unit includes the first metal-oxide-semiconductor, second driving unit
Including the second metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor connects the pulse-width controlled module, the drain electrode connection of first metal-oxide-semiconductor
1st end of the primary coil of the transformer, the source electrode ground connection of first metal-oxide-semiconductor；The grid of second metal-oxide-semiconductor connects institute
Pulse-width controlled module is stated, the drain electrode of second metal-oxide-semiconductor connects the 2nd end of the primary coil of the transformer, the 2nd MOS
The source electrode of pipe is grounded.
In more voltage doubling rectifing circuits, the pulse-width controlled module includes PWM comparator, error amplifier, sawtooth
Wave producer and reference voltage source；By the pulse signal of saw-toothed wave generator output predeterminated frequency to PWM comparator, put by error
Big device receives the DC voltage of voltage doubling rectifier module feedback, and the reference voltage that the DC voltage and reference voltage source are exported
To PWM comparator, the PWM comparator adjusts the pulse of the pulse signal according to comparison result for output after being compared and enlarged
Width.
In more voltage doubling rectifing circuits, the first voltage multiplying rectifier unit includes first capacitor, the second capacitor, third
Capacitor, the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 8th capacitor, the 9th capacitor, the tenth capacitor, the 11st electricity
Appearance, the 12nd capacitor, the 13rd capacitor, the 14th capacitor, the first rectifier diode, the second rectifier diode, third rectification two
Pole pipe, the 4th rectifier diode, the 5th rectifier diode, the 6th rectifier diode, the 7th rectifier diode, the 8th two poles of rectification
Pipe, the 9th rectifier diode, the tenth rectifier diode, the 11st rectifier diode, the 12nd rectifier diode, the 13rd rectification
Diode, the 14th rectifier diode, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th electricity
Resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, eleventh resistor, twelfth resistor, thirteenth resistor and the tenth
Four resistance；
The anode at the 1st end and the first rectifier diode of the secondary coil of one end connection transformer of the first capacitor,
The other end of the first capacitor connects one end of the second capacitor, the cathode of the second rectifier diode and third rectifier diode
Anode；One end of other end connection third capacitor, the cathode of the 4th rectifier diode and the 5th rectification two of second capacitor
The anode of pole pipe；The other end of the third capacitor connects the cathode and the 7th of one end of the 4th capacitor, the 6th rectifier diode
The anode of rectifier diode；The other end of 4th capacitor connects the cathode of one end of the 5th capacitor, the 8th rectifier diode
With the anode of the 9th rectifier diode；The other end of 5th capacitor connects one end of the 6th capacitor, the tenth rectifier diode
Cathode and the 11st rectifier diode anode；The other end of 6th capacitor connects one end of the 7th capacitor, the 12nd
The anode of the cathode of rectifier diode and the 13rd rectifier diode；The 14th rectification two of other end connection of 7th capacitor
Cathode, one end of first resistor and one end of the 9th resistance of grade；The secondary wire of one end connection transformer of 8th capacitor
The 2nd end and ground of circle, the other end of the 8th capacitor connect one end of the 9th capacitor, the cathode of the first rectifier diode and the
The anode of two rectifier diodes；The other end of 9th capacitor connect one end of the tenth capacitor, third rectifier diode it is negative
The anode of pole and the 4th rectifier diode；The other end of tenth capacitor connects one end of the 11st capacitor, the 5th rectification two
The anode of the cathode of pole pipe and the 6th rectifier diode；One end of the other end the 12nd capacitor of connection of 11st capacitor,
The cathode of 7th rectifier diode and the anode of the 8th rectifier diode；The 13rd electricity of other end connection of 12nd capacitor
One end of appearance, the cathode of the 9th rectifier diode and the tenth rectifier diode anode；The other end of 13rd capacitor connects
Connect one end, the cathode of the 11st rectifier diode and the anode of the 12nd rectifier diode of the 14th capacitor；Described 14th
The other end of capacitor connects the cathode of the 13rd rectifier diode and the anode of the 14th rectifier diode；
The other end of the first resistor successively with second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th electricity
Resistance, the 7th resistance and the 8th resistance series connection is followed by ground, the other end of the 9th resistance successively with the tenth resistance, the 11st electricity
The anode of the light pipe is connected after resistance, twelfth resistor, thirteenth resistor and the series connection of the 14th resistance.
In more voltage doubling rectifing circuits, the second voltage multiplying rectifier unit include the 15th capacitor, the 16th capacitor,
17th capacitor, the 18th capacitor, the 19th capacitor, the 20th capacitor, the 21st capacitor, the 22nd capacitor, the 20th
Three capacitors, the 24th capacitor, the 25th capacitor, the 26th capacitor, the 27th capacitor, the 28th capacitor, the tenth
Five rectifier diodes, the 16th rectifier diode, the 17th rectifier diode, the 18th rectifier diode, the 19th rectification two
Pole pipe, the 20th rectifier diode, the 21st rectifier diode, the 22nd rectifier diode, the 23rd two poles of rectification
Pipe, the 24th rectifier diode, the 25th rectifier diode, the 26th rectifier diode, the 27th two poles of rectification
Pipe, the 28th rectifier diode, the 15th resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 19th resistance,
20th resistance, the 21st resistance, the 22nd resistance, the 23rd resistance, the 24th resistance, the 25th resistance,
26th resistance, the 27th resistance and the 28th resistance；
The 3rd end of secondary coil of one end connection transformer of 15th capacitor and bearing for the 15th rectifier diode
Pole, the other end of the 15th capacitor connect the anode and the 17th of one end of the 16th capacitor, the 16th rectifier diode
The cathode of rectifier diode；The other end of 16th capacitor connects one end of the 17th capacitor, the 18th rectifier diode
Anode and the 19th rectifier diode cathode；The other end of 17th capacitor connects one end of the 18th capacitor, the
The anode of 20 rectifier diodes and the cathode of the 21st rectifier diode；The other end connection the tenth of 18th capacitor
One end of nine capacitors, the anode of the 22nd rectifier diode and the 23rd rectifier diode cathode；19th electricity
The other end of appearance connects one end of the 20th capacitor, the anode of the 24th rectifier diode and the 25th rectifier diode
Cathode；The other end of 20th capacitor connect one end of the 21st capacitor, the 26th rectifier diode anode and
The cathode of 27th rectifier diode；The other end of 21st capacitor connects one end of the 15th resistance, the 20th
The anode of one end of three resistance and the 28th rectifier diode；
4th end of the secondary coil of one end connection transformer of the 22nd capacitor, the 22nd capacitor
The other end connects one end, the anode of the 15th rectifier diode and the cathode of the 16th rectifier diode of the 23rd capacitor；
The other end of 23rd capacitor connects the anode and the 18th of one end of the 24th capacitor, the 17th rectifier diode
The cathode of rectifier diode；The other end of 24th capacitor connects one end of the 25th capacitor, the 19th rectification two
The anode of pole pipe and the cathode of the 20th rectifier diode；The other end of 25th capacitor connects the 26th capacitor
One end, the anode of the 21st rectifier diode and the 22nd rectifier diode cathode；26th capacitor it is another
One end connects the negative of one end of the 27th capacitor, the anode of the 23rd rectifier diode and the 24th rectifier diode
Pole；The other end of 27th capacitor connect one end of the 28th capacitor, the 25th rectifier diode anode and
The cathode of 26th rectifier diode；The other end of 28th capacitor connects the anode of the 27th rectifier diode
With the cathode of the 28th rectifier diode；
The other end of 15th resistance successively with the 16th resistance, the 17th resistance, the 18th resistance, the 19th electricity
Resistance, the 20th resistance, the 21st resistance and the series connection of the 22nd resistance are followed by ground, the other end of the 23rd resistance according to
It is secondary connect with the 24th resistance, the 25th resistance, the 26th resistance, the 27th resistance and the 28th resistance after connect
Connect the anode of the light pipe.
In more voltage doubling rectifing circuits, the voltage doubling rectifier module further includes current sampling resistor, and the electric current is adopted
2nd end of the secondary coil of one end connection transformer of sample resistance, the other end connection transformer of the current sampling resistor
3rd end of secondary coil and feedback current output end, the current sampling resistor and the 8th resistance, the 22nd resistance connect jointly
Ground.
A kind of control method of more voltage doubling rectifing circuits as described above comprising following steps:
By pulse-width controlled module output pulse signal to recommending module, and the arteries and veins is adjusted according to the feedback voltage received
Rush the pulse width of signal；
It is increased by recommending module according to the primary voltage of current PRF signal driving transformer, and couples output to transformer
Secondary, the transformer exports secondary voltage to voltage doubling rectifier module；
By voltage doubling rectifier module to output DC voltage after secondary voltage progress rectifying and wave-filtering to the light pipe, and will
The DC voltage feeds back to pulse-width controlled module, and the DC voltage is made to be increased to predeterminated voltage.
A kind of more voltage multiplying rectifier devices, including shell are provided with pcb board in the shell, on the pcb board setting just like
Upper more voltage doubling rectifing circuits.
Compared to the prior art, described in more voltage doubling rectifing circuits provided by the utility model and more voltage multiplying rectifier devices
More voltage doubling rectifing circuits are connect with the light pipe in x-ray source comprising pulse-width controlled module recommends module, transformer and multiplication of voltage
Rectification module；By pulse-width controlled module output pulse signal to recommending module, and described in being adjusted according to the feedback voltage received
The pulse width of pulse signal；It is increased, and coupled according to the primary voltage of current PRF signal driving transformer by recommending module
It exports to the secondary of transformer, the transformer exports secondary voltage to voltage doubling rectifier module, by voltage doubling rectifier module to institute
DC voltage that secondary voltage carries out exporting two-way same size after rectifying and wave-filtering is stated to the light pipe, and by the DC voltage
Pulse-width controlled module is fed back to, the DC voltage is made to be increased to predeterminated voltage.The utility model is symmetrical using two-way or multichannel
The source-series composition of relatively independent voltage multiplying rectifier X-ray drive high-voltage power supply, the DC voltage of two-way same size can be exported
It is exported again after superposition to x-ray source, drives light pipe work；More voltage doubling rectifing circuits and more voltage multiplying rectifier devices not only can be carried out
The sampling of voltage and electric current, realization are precisely controlled X-ray tube；And the voltage at x-ray source both ends is increased, power increasing
Add, can effectively promote accuracy when X-ray source detection.
Detailed description of the invention
Fig. 1 is the structural block diagram of more voltage doubling rectifing circuits provided by the utility model.
Fig. 2 is the structural block diagram of pulsewidth control module in more voltage doubling rectifing circuits provided by the utility model.
Fig. 3 is the circuit diagram of voltage doubling rectifier module in more voltage doubling rectifing circuits provided by the utility model.
Fig. 4 is the flow chart of the control method of more voltage doubling rectifing circuits provided by the utility model.
Specific embodiment
In view of voltage doubling rectifing circuit in the prior art output rectified voltage it is lower the disadvantages of, the purpose of this utility model exists
In providing a kind of more voltage doubling rectifing circuits and more voltage multiplying rectifier devices, can export two-way same size DC voltage superposition after again
Output drives light pipe work to x-ray source；And high-voltage sampling resistance and x-ray tube current is allowed to sample altogether, it in this way can be direct
The resistance flowed through from high pressure divider resistance and pipe DC current accurately samples and carries out control X-ray tube high pressure and tube current.It should
More voltage multiplying rectifier devices and more voltage doubling rectifing circuits not only can be carried out the sampling of voltage and electric current, realize to the accurate of X-ray tube
Control；And the voltage at x-ray source both ends is increased, power increase, it can effectively promote accuracy when X-ray source detection.
To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only practical to explain
It is novel, it is not used to limit the utility model.
Referring to Fig. 1, more voltage doubling rectifing circuits provided by the utility model are connect with the light pipe 10 in x-ray source, to drive
It moves the light pipe 10 to work comprising pulse-width controlled module 11 recommends module 12, transformer 13 and voltage doubling rectifier module 14, institute
It states the connection of pulse-width controlled module 11 and recommends module 12, the primary coil recommended module 12 and connect the transformer 13 is described
Voltage doubling rectifier module 14 connects the secondary coil of the transformer 13 and the anode of light pipe 10, the cathode ground connection of the light pipe 10.
By 11 output pulse signal of pulse-width controlled module to module 12 is recommended, recommends module 12 and believed according to current pulse
The primary voltage of number driving transformer 13 increases, coupling output later to the secondary of transformer 13, the i.e. secondary electrical of transformer 13
Pressure is same to be increased, and the transformer 13 exports secondary voltage to voltage doubling rectifier module 14 later, right by voltage doubling rectifier module 14
The secondary voltage exports the DC voltage of two-way same size after carrying out rectifying and wave-filtering, and two-way DC voltage is superimposed and is exported
To the light pipe 10, the light pipe 10 is driven to work, realizes more times of direct voltage output, while the voltage doubling rectifier module 14
The DC voltage is also fed back into pulse-width controlled module 11, the pulse-width controlled module 11 is according to the feedback voltage tune received
The pulse width of the pulse signal is saved, and then adjusts the DC voltage that voltage doubling rectifier module 14 exports, makes the DC voltage
It is increased to predeterminated voltage, realizes that closed loop feedback is adjusted, obtains stable and accurate DC voltage, the utility model uses two-way or more
The X-ray of the symmetrical relatively independent source-series composition of voltage multiplying rectifier in road drives high-voltage power supply, can export the straight of two-way same size
It is exported again after stream voltage superposition to x-ray source, drives light pipe work；And the utility model can be in light pipe both ends positive or negative pole
Connect tandem high pressure sample resistance, concatenate current sampling resistor in the current DC circuit of x-ray source, allow high-voltage sampling resistance with
Altogether, the resistance that can directly flow through in this way from high pressure divider resistance and pipe DC current is accurate for x-ray tube current sample resistance
It samples and carries out control X-ray tube high pressure and tube current.More voltage multiplying rectifier devices and more voltage doubling rectifing circuits not only can be carried out
The sampling of voltage and electric current, realization are precisely controlled X-ray tube；And the voltage at x-ray source both ends is increased, power increasing
Add, can effectively promote accuracy when X-ray source detection, enabling x-ray source to be used to detect, thickness is bigger, the higher object of density
Body widens the scope of application of x-ray source.
Specifically, the module 12 of recommending includes the first driving unit 121 and the second driving unit 122, and described first drives
Moving cell 121 connects the 1st end of the primary coil of the pulse-width controlled module 11 and transformer 13, and the second unit connects institute
State the 2nd end of the primary coil of pulse-width controlled module 11 and transformer 13, wherein the pulse-width controlled module 11 is specifically used for dividing
The first pulse signal Vp1 and the second pulse signal Vp2 are not exported to the first driving unit 121 and the second driving unit 122, it is described
First driving unit 121 and the second driving unit 122 respectively according to first pulse signal and the conducting of the second pulse signal or
Shutdown is increased with the primary voltage of driving transformer 13.Specifically, the pulse-width controlled module 11 exports two-way pulse letter
Number, it is exported respectively to the first driving unit 121 and the second driving unit 122, and two pulse signals are a pair of of opposite in phase letter
Number, i.e., when the first pulse signal Vp1 is high level, the second pulse signal Vp2 is low level, and the first pulse signal Vp1 is low electricity
Usually the second pulse signal Vp2 is high level, controls 121 He of the first driving unit by the pulse signal of this two-way opposite in phase
Second driving unit, 122 alternate conduction, is boosted with driving transformer 13, increases the primary voltage of transformer 13, in turn
Realize that subsequent secondary voltage is increased and is applied on light pipe 10 after rectifying and wave-filtering, the utility model passes through in pulse width controller and change
It is added between depressor 13 and recommends module 12, so that the two is isolated, avoid pulse signal from being directly entered the generation harmonic wave of transformer 13 dry
It disturbs, improves the stability of circuit work.
Further, the voltage doubling rectifier module 14 includes the first voltage multiplying rectifier unit 141 and the second voltage multiplying rectifier unit
142, the first voltage multiplying rectifier unit 141 connects the secondary coil and light pipe 10 of the transformer 13, second times of repoussage
Stream unit 142 connects the secondary coil and light pipe 10 of the transformer 13, and the transformer 13 is defeated by the secondary voltage after boosting
Out to the first voltage multiplying rectifier unit 141 and the second voltage multiplying rectifier unit 142, the first voltage multiplying rectifier unit 141 and second times
Press rectification unit 142 respectively to the DC voltage of output same size after secondary voltage progress rectifying and wave-filtering to the light pipe
10, and the DC voltage is fed back into pulse-width controlled module 11, pulse signal is adjusted by the pulse-width controlled module 11
Width and then adjusting DC voltage size, make the DC voltage be increased to predeterminated voltage.Pass through the first voltage multiplying rectifier unit
141 and second the superposition of voltage multiplying rectifier unit 142 export double DC voltage the light pipe 10 driven to work to light pipe 10, tool
First voltage multiplying rectifier unit 141 described in body and the second voltage multiplying rectifier unit 142 are obtained steady using identical voltage doubling rectifing circuit
Determine DC voltage to be overlapped mutually, obtains twice of high pressure, thus the voltage at x-ray source both ends becomes twice as, so that power increases,
Effectively increase investigative range.
Specifically, first driving unit 121 includes the first metal-oxide-semiconductor Q1, and second driving unit 122 includes second
The grid of metal-oxide-semiconductor Q2, the first metal-oxide-semiconductor Q1 connect the pulse-width controlled module 11, the drain electrode connection of the first metal-oxide-semiconductor Q1
1st end of the primary coil of the transformer 13, the source electrode ground connection of the first metal-oxide-semiconductor Q1；The grid of the second metal-oxide-semiconductor Q2
The pulse-width controlled module 11 is connected, the drain electrode of the second metal-oxide-semiconductor Q2 connects the 2nd of the primary coil of the transformer 13
The source electrode at end, the second metal-oxide-semiconductor Q2 is grounded, and in the present embodiment, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 are P-channel
Metal-oxide-semiconductor, the pulse-width controlled module 11 export the first pulse signal Vp1 and the second pulse signal Vp2 to the first metal-oxide-semiconductor Q1 respectively
With the second metal-oxide-semiconductor Q2, two pulse signals are a pair of of opposite in phase signal, when the first pulse signal Vp1 is high level second
Pulse signal Vp2 is low level, and the first metal-oxide-semiconductor Q1 is connected at this time, the second metal-oxide-semiconductor Q2 cut-off；First pulse signal Vp1 is low electricity
Usually the second pulse signal Vp2 is high level, and the first metal-oxide-semiconductor Q1 ends at this time, and the 2nd MOS closes conducting, realizes the first metal-oxide-semiconductor Q1
With the alternate conduction of the second metal-oxide-semiconductor Q2, the effect that driving transformer 13 boosts is realized.
Further, referring to Figure 2 together, the pulse-width controlled module 11 includes PWM comparator 111, error amplifier
112, saw-toothed wave generator 113 and reference voltage source 114, the PWM comparator 111 connect saw-toothed wave generator 113 and error
The output end of amplifier 112, the non-inverting input terminal of the error amplifier 112 connect reference voltage source 114, the error amplification
The inverting input terminal of device 112 connects voltage doubling rectifier module 14, exports the pulse signal of predeterminated frequency extremely by saw-toothed wave generator 113
PWM comparator 111 receives the DC voltage that feeds back of voltage doubling rectifier module 14 by error amplifier 112, and by the DC voltage
The reference voltage exported with reference voltage source 114 exports after being compared and enlarged to PWM comparator 111, the PWM comparator
111 adjust the pulse width of the pulse signal according to comparison result.In the present embodiment, the output from voltage doubling rectifier module 14 is straight
The reference voltage that galvanic electricity pressure is exported with reference voltage source 114 is compared and enlarged in error amplifier 112, then by its difference
Output is defeated by its by the pulse signal of the one initial predeterminated frequency of generation of saw-toothed wave generator 113 to PWM comparator 111
Feedback modulation is carried out according to current comparison result to PWM comparator 111 out, when the decline of the DC voltage of input, with benchmark electricity
Pressure ratio compared with difference increase, it is amplified to be input to PWM comparator 111, then need to widen saw-toothed wave generator 113 generate signal
Pulse width；When input voltage rises, the difference compared with reference voltage reduces, amplified to be input to PWM comparator
111, then need to reduce the pulse width that saw-toothed wave generator 113 generates signal, it is default for enabling DC voltage to stablize output
Voltage.
Also referring to Fig. 3, in more voltage doubling rectifing circuits provided by the utility model, the first voltage multiplying rectifier unit
141 is identical with the circuit structure of the second voltage multiplying rectifier unit 142, and the rectified voltage of output is also identical, specifically, described
First voltage multiplying rectifier unit 141 includes first capacitor C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4, the 5th capacitor
C5, the 6th capacitor C6, the 7th capacitor C7, the 8th capacitor C8, the 9th capacitor C9, the tenth capacitor C10, the 11st capacitor C11, the tenth
Two capacitor C12, the 13rd capacitor C13, the 14th capacitor C14, the first rectifier diode CR1, the second rectifier diode CR2,
It is three rectifier diode CR3, the 4th rectifier diode CR4, the 5th rectifier diode CR5, the 6th rectifier diode CR6, the 7th whole
Flow diode CR7, the 8th rectifier diode CR8, the 9th rectifier diode CR9, the tenth rectifier diode CR10, the 11st rectification
Diode CR11, the 12nd rectifier diode CR12, the 13rd rectifier diode CR13, the 14th rectifier diode CR14,
One resistance R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7,
Eight resistance R8, the 9th resistance R9, the tenth resistance R10, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13 and
14 resistance R14.
1st end of the secondary coil of one end connection transformer 13 of the first capacitor C1 and the first rectifier diode CR1
Anode, the other end of the first capacitor C1 connects one end of the second capacitor C2, the cathode of the second rectifier diode CR2 and the
The anode of three rectifier diode CR3；One end, the 4th two poles of rectification of the other end connection third capacitor C3 of the second capacitor C2
The anode of the cathode of pipe CR4 and the 5th rectifier diode CR5；The other end of the third capacitor C3 connects the one of the 4th capacitor C4
It holds, the anode of the cathode of the 6th rectifier diode CR6 and the 7th rectifier diode CR7；The other end of the 4th capacitor C4 connects
Connect one end, the cathode of the 8th rectifier diode CR8 and the anode of the 9th rectifier diode CR9 of the 5th capacitor C5；Described 5th
The other end of capacitor C5 connects the cathode and the 11st rectifier diode of one end of the 6th capacitor C6, the tenth rectifier diode CR10
The anode of CR11；The other end of the 6th capacitor C6 connects one end of the 7th capacitor C7, the 12nd rectifier diode CR12
The anode of cathode and the 13rd rectifier diode CR13；The 14th rectification second level of other end connection of the 7th capacitor C7 is born
Pole, one end of first resistor R1 and the 9th resistance R9 one end；The secondary of one end connection transformer 13 of the 8th capacitor C8
The other end on the 2nd end of coil and ground, the 8th capacitor C8 connects one end of the 9th capacitor C9, the first rectifier diode CR1
Cathode and the second rectifier diode CR2 anode；One end of the tenth capacitor C10 of other end connection of the 9th capacitor C9,
The cathode of third rectifier diode CR3 and the anode of the 4th rectifier diode CR4；The other end of the tenth capacitor C10 connects
One end, the cathode of the 5th rectifier diode CR5 and the anode of the 6th rectifier diode CR6 of 11st capacitor C11；Described tenth
The other end of one capacitor C11 connects one end of the 12nd capacitor C12, the cathode of the 7th rectifier diode CR7 and the 8th rectification two
The anode of pole pipe CR8；The other end of the 12nd capacitor C12 connects one end of the 13rd capacitor C13, the 9th rectifier diode
The anode of the cathode of CR9 and the tenth rectifier diode CR10；The other end of the 13rd capacitor C13 connects the 14th capacitor
One end of C14, the cathode of the 11st rectifier diode CR11 and the 12nd rectifier diode CR12 anode；14th electricity
The other end for holding C14 connects the cathode of the 13rd rectifier diode CR13 and the anode of the 14th rectifier diode CR14.
The other end of the first resistor R1 successively with second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance
It is grounded after R5, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8 series connection, the other end of the 9th resistance R9 is successively with the
It is connected after ten resistance R10, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13 and the 14th resistance R14 series connection
The anode of the light pipe 10.The current sampling resistor Rs, the 8th resistance R8, the 22nd resistance R22 are altogether.
In the present embodiment, the first resistor R1 to the 7th resistance R7 is high pressure divider resistance, and the 8th resistance R8 is
High pressure sampling resistor, the 9th resistance R9 to the 14th resistance R14 are current-limiting resistance, the electricity of first capacitor C1 to the 14th
Hold C14 to be charged and discharged in circuit, mainly play a filtering role, two poles are rectified by the first rectifier diode CR1 to the 14th
Voltage is stored in circuit on respective capacitor by the rectification of pipe CR14 and guide function respectively, is added by electromotive force polarity
Principle series connection, to obtain direct current sampled voltage in output end, wherein first voltage output end VF1 is from the 7th resistance R7 and the 8th
The midpoint of resistance R8 is drawn, to realize that direct current sampled voltage exports.
The second voltage multiplying rectifier unit 142 include the 15th capacitor C15, the 16th capacitor C16, the 17th capacitor C17,
18th capacitor C18, the 19th capacitor C19, the 20th capacitor C20, the 21st capacitor C21, the 22nd capacitor C22,
23 capacitor C23, the 24th capacitor C24, the 25th capacitor C25, the 26th capacitor C26, the 27th capacitor
C27, the 28th capacitor C28, the 15th rectifier diode CR15, the 16th rectifier diode CR16, the 17th two poles of rectification
Pipe CR17, the 18th rectifier diode CR18, the 19th rectifier diode CR19, the 20th rectifier diode CR20, the 20th
One rectifier diode CR21, the 22nd rectifier diode CR22, the 23rd rectifier diode CR23, the 24th rectification two
Pole pipe CR24, the 25th rectifier diode CR25, the 26th rectifier diode CR26, the 27th rectifier diode
CR27, the 28th rectifier diode CR28, the 15th resistance R15, the 16th resistance R16, the 17th resistance R17, the 18th
Resistance R18, the 19th resistance R19, the 20th resistance R20, the 21st resistance R21, the 22nd resistance R22, the 23rd
Resistance R23, the 24th resistance R24, the 25th resistance R25, the 26th resistance R26, the 27th resistance R27 and second
18 resistance R28.
The 3rd end and the 15th two poles of rectification of the secondary coil of one end connection transformer 13 of the 15th capacitor C15
The cathode of pipe CR15, the other end of the 15th capacitor C15 connect one end of the 16th capacitor C16, the 16th two poles of rectification
The anode of pipe CR16 and the cathode of the 17th rectifier diode CR17；The other end connection the 17th of the 16th capacitor C16
One end of capacitor C17, the anode of the 18th rectifier diode CR18 and the 19th rectifier diode CR19 cathode；Described tenth
The other end of seven capacitor C17 connects the anode and the 21st of one end of the 18th capacitor C18, the 20th rectifier diode CR20
The cathode of rectifier diode CR21；The other end of the 18th capacitor C18 connects one end of the 19th capacitor C19, the 20th
The anode of two rectifier diode CR22 and the cathode of the 23rd rectifier diode CR23；The 19th capacitor C19's is another
End connects the anode and the 25th rectifier diode of one end of the 20th capacitor C20, the 24th rectifier diode CR24
The cathode of CR25；The other end of the 20th capacitor C20 connects one end of the 21st capacitor C21, the 26th rectification two
The anode of pole pipe CR26 and the cathode of the 27th rectifier diode CR27；The other end of the 21st capacitor C21 connects
One end, one end of the 23rd resistance R23 and the anode of the 28th rectifier diode CR28 of 15th resistance R15.
4th end of the secondary coil of one end connection transformer 13 of the 22nd capacitor C22, the 22nd electricity
The other end for holding C22 connects one end of the 23rd capacitor C23, the anode of the 15th rectifier diode CR15 and the 16th rectification
The cathode of diode CR16；The other end of the 23rd capacitor C23 connects one end of the 24th capacitor C24, the 17th
The anode of rectifier diode CR17 and the cathode of the 18th rectifier diode CR18；The other end of the 24th capacitor C24
Connect one end of the 25th capacitor C25, the anode of the 19th rectifier diode CR19 and the 20th rectifier diode CR20
Cathode；The other end of the 25th capacitor C25 connects one end of the 26th capacitor C26, the 21st rectifier diode
The anode of CR21 and the cathode of the 22nd rectifier diode CR22；The other end connection second of the 26th capacitor C26
One end, the anode of the 23rd rectifier diode CR23 and the cathode of the 24th rectifier diode CR24 of 17 capacitor C27；
The other end of the 27th capacitor C27 connects one end of the 28th capacitor C28, the 25th rectifier diode CR25
The cathode of anode and the 26th rectifier diode CR26；The other end connection the 27th of the 28th capacitor C28 is whole
Flow the anode of diode CR27 and the cathode of the 28th rectifier diode CR28.
The other end of the 15th resistance R15 successively with the 16th resistance R16, the 17th resistance R17, the 18th resistance
It is grounded after R18, the 19th resistance R19, the 20th resistance R20, the 21st resistance R21 and the 22nd resistance R22 series connection, institute
State the other end of the 23rd resistance R23 successively with the 24th resistance R24, the 25th resistance R25, the 26th resistance
R26, the 27th resistance R27 and the 28th resistance R28 connect the anode of the light pipe 10 after connecting.
In the present embodiment, the 15th resistance R15 to the 21st resistance R21 be high pressure divider resistance, described second
12 resistance R22 are high pressure sampling resistor, and the 23rd resistance R23 to the 28th resistance R28 is current-limiting resistance, described
15th capacitor C15 to the 28th capacitor C28 is charged and discharged in circuit, is mainly played a filtering role, whole by the 15th
Rectification and guide function of the diode CR15 to the 28th rectifier diode CR28 are flowed, voltage is stored to respectively in circuit each
From capacitor on, by electromotive force polarity be added principle connect, thus output end obtain direct current sampled voltage, wherein second electricity
Output end VF2 is pressed to draw from the midpoint of the 21st resistance R21 and the 22nd resistance R22, to realize direct current sampled voltage
Output, and the 8th resistance R8 and the 22nd resistance R22 are altogether.
Further, the voltage doubling rectifier module 14 further includes current sampling resistor Rs, realizes the survey of real work electric current
Amount, the 2nd end of the secondary coil of one end connection transformer 13 of the current sampling resistor Rs, the current sampling resistor Rs's
The other end connects the 3rd end and the feedback current output end of the secondary coil of transformer 13, the current sampling resistor Rs and the 8th
Resistance R8, the 22nd resistance R22 are altogether.
Correspondingly, the utility model also provides a kind of control method of more voltage doubling rectifing circuits, as shown in figure 4, described more
The control method of voltage doubling rectifing circuit includes the following steps:
S100, by pulse-width controlled module output pulse signal to recommending module, and adjusted according to the feedback voltage received
The pulse width of the pulse signal；
S200, it is increased by recommending module according to the primary voltage of current PRF signal driving transformer, and couples output extremely
The secondary of transformer, the transformer export secondary voltage to voltage doubling rectifier module；
S300, DC voltage is exported to the light after carrying out rectifying and wave-filtering to the secondary voltage by voltage doubling rectifier module
Pipe, and the DC voltage is fed back into pulse-width controlled module, so that the DC voltage is increased to predeterminated voltage.
The utility model correspondingly provides a kind of more voltage multiplying rectifier devices, including shell, is provided with PCB in the shell
Plate is provided with more voltage doubling rectifing circuits as described above on the pcb board, due to above to more voltage doubling rectifing circuits into
It has gone and has been discussed in detail, and will not be described here in detail.
In conclusion in more voltage doubling rectifing circuits provided by the utility model and more voltage multiplying rectifier devices, more multiplication of voltages
Rectification circuit is connect with the light pipe in x-ray source comprising pulse-width controlled module recommends module, transformer and voltage multiplying rectifier mould
Block；By pulse-width controlled module output pulse signal to recommending module, and the pulse is adjusted according to the feedback voltage received and is believed
Number pulse width；It is increased by recommending module according to the primary voltage of current PRF signal driving transformer, and couples output extremely
The secondary of transformer, the transformer export secondary voltage to voltage doubling rectifier module, by voltage doubling rectifier module to the secondary
The DC voltage that voltage carries out exporting two-way same size after rectifying and wave-filtering feeds back to the DC voltage to the light pipe
Pulse-width controlled module makes the DC voltage be increased to predeterminated voltage.The utility model is symmetrically opposite using two-way or multichannel
The X-ray of the independent source-series composition of voltage multiplying rectifier drives high-voltage power supply, after the DC voltage superposition that can export two-way same size
It is exported again to x-ray source, drives light pipe work；And high-voltage sampling resistance and x-ray tube current is allowed to sample altogether, it in this way can be straight
It connects and control X-ray tube high pressure and tube current is accurately sampled and carried out from the resistance that high pressure divider resistance and pipe DC current flow through.
More voltage doubling rectifing circuits and more voltage multiplying rectifier devices not only can be carried out the sampling of voltage and electric current, realize the essence to X-ray tube
Quasi- control；And the voltage at x-ray source both ends is increased, power increases, accurate when can effectively promote X-ray source detection
Degree, enabling x-ray source to be used to detect, thickness is bigger, the higher object of density, widens the scope of application of x-ray source.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (9)
1. a kind of more voltage doubling rectifing circuits, connect with the light pipe in x-ray source, which is characterized in that including pulse-width controlled module,
Recommend module, transformer and voltage doubling rectifier module；By pulse-width controlled module output pulse signal to recommending module, and according to reception
To feedback voltage adjust the pulse width of the pulse signal；By recommending module according to current PRF signal driving transformer
Primary voltage increases, and couples the secondary of output to transformer, and the transformer exports secondary voltage to voltage doubling rectifier module,
The DC voltage of two-way same size is exported to the light after carrying out rectifying and wave-filtering to the secondary voltage by voltage doubling rectifier module
Pipe, and the DC voltage is fed back into pulse-width controlled module, so that the DC voltage is increased to predeterminated voltage.
2. more voltage doubling rectifing circuits according to claim 1, which is characterized in that the module of recommending includes that the first driving is single
Member and the second driving unit, the pulse-width controlled module are specifically used for exporting the first pulse signal and the second pulse signal respectively extremely
First driving unit and the second driving unit, first driving unit and the second driving unit are respectively according to first pulse
Signal and the second pulse signal on or off are increased with the primary voltage of driving transformer.
3. more voltage doubling rectifing circuits according to claim 1, which is characterized in that the voltage doubling rectifier module includes first times
Rectification unit and the second voltage multiplying rectifier unit are pressed, the first voltage multiplying rectifier unit and the second voltage multiplying rectifier unit are respectively to described
The DC voltage that secondary voltage carries out exporting same size after rectifying and wave-filtering feeds back to the DC voltage to the light pipe
Pulse-width controlled module makes the DC voltage be increased to predeterminated voltage.
4. more voltage doubling rectifing circuits according to claim 2, which is characterized in that first driving unit includes first
Metal-oxide-semiconductor, second driving unit include the second metal-oxide-semiconductor, and the grid of first metal-oxide-semiconductor connects the pulse-width controlled module,
The drain electrode of first metal-oxide-semiconductor connects the 1st end of the primary coil of the transformer, the source electrode ground connection of first metal-oxide-semiconductor；Institute
The grid for stating the second metal-oxide-semiconductor connects the pulse-width controlled module, and the drain electrode of second metal-oxide-semiconductor connects the primary of the transformer
2nd end of coil, the source electrode ground connection of second metal-oxide-semiconductor.
5. more voltage doubling rectifing circuits according to claim 3, which is characterized in that the pulse-width controlled module includes PWM ratio
Compared with device, error amplifier, saw-toothed wave generator and reference voltage source；By the pulse signal of saw-toothed wave generator output predeterminated frequency
To PWM comparator, the DC voltage of voltage doubling rectifier module feedback is received by error amplifier, and by the DC voltage and benchmark
Output is to PWM comparator after the reference voltage of voltage source output is compared and enlarged, and the PWM comparator is according to comparison result tune
Save the pulse width of the pulse signal.
6. more voltage doubling rectifing circuits according to claim 3, which is characterized in that the first voltage multiplying rectifier unit includes the
One capacitor, the second capacitor, third capacitor, the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 8th capacitor, the 9th electricity
It is appearance, the tenth capacitor, the 11st capacitor, the 12nd capacitor, the 13rd capacitor, the 14th capacitor, the first rectifier diode, second whole
Flow diode, third rectifier diode, the 4th rectifier diode, the 5th rectifier diode, the 6th rectifier diode, the 7th rectification
It is diode, the 8th rectifier diode, the 9th rectifier diode, the tenth rectifier diode, the 11st rectifier diode, the 12nd whole
Flow diode, the 13rd rectifier diode, the 14th rectifier diode, first resistor, second resistance, 3rd resistor, the 4th electricity
Resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, eleventh resistor, the 12nd electricity
Resistance, thirteenth resistor and the 14th resistance；
The anode at the 1st end and the first rectifier diode of the secondary coil of one end connection transformer of the first capacitor, it is described
The other end of first capacitor is connecting one end of the second capacitor, the cathode of the second rectifier diode and third rectifier diode just
Pole；One end of other end connection third capacitor, the cathode of the 4th rectifier diode and the 5th two poles of rectification of second capacitor
The anode of pipe；It is whole that the other end of the third capacitor connects one end of the 4th capacitor, the cathode of the 6th rectifier diode and the 7th
Flow the anode of diode；The other end of 4th capacitor connect one end of the 5th capacitor, the 8th rectifier diode cathode and
The anode of 9th rectifier diode；The other end of 5th capacitor connects one end of the 6th capacitor, the tenth rectifier diode
The anode of cathode and the 11st rectifier diode；The other end of 6th capacitor connects one end of the 7th capacitor, the 12nd whole
Flow the cathode of diode and the anode of the 13rd rectifier diode；The 14th rectification second level of other end connection of 7th capacitor
Cathode, one end of first resistor and one end of the 9th resistance；The secondary coil of one end connection transformer of 8th capacitor
The 2nd end and ground, the other end of the 8th capacitor connects the cathode and second of one end of the 9th capacitor, the first rectifier diode
The anode of rectifier diode；The other end of 9th capacitor connects the cathode of one end of the tenth capacitor, third rectifier diode
With the anode of the 4th rectifier diode；The other end of tenth capacitor connects one end of the 11st capacitor, the 5th two poles of rectification
The anode of the cathode of pipe and the 6th rectifier diode；The other end of 11st capacitor connects one end of the 12nd capacitor, the
The anode of the cathode of seven rectifier diodes and the 8th rectifier diode；The other end of 12nd capacitor connects the 13rd capacitor
One end, the cathode of the 9th rectifier diode and the anode of the tenth rectifier diode；The other end of 13rd capacitor connects
One end, the cathode of the 11st rectifier diode and the anode of the 12nd rectifier diode of 14th capacitor；14th electricity
The other end of appearance connects the cathode of the 13rd rectifier diode and the anode of the 14th rectifier diode；
The other end of the first resistor successively with second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance,
Seven resistance and the 8th resistance series connection is followed by ground, the other end of the 9th resistance successively with the tenth resistance, eleventh resistor, the tenth
The anode of the light pipe is connected after two resistance, thirteenth resistor and the series connection of the 14th resistance.
7. more voltage doubling rectifing circuits according to claim 6, which is characterized in that the second voltage multiplying rectifier unit includes the
15 capacitors, the 16th capacitor, the 17th capacitor, the 18th capacitor, the 19th capacitor, the 20th capacitor, the 21st capacitor,
22nd capacitor, the 23rd capacitor, the 24th capacitor, the 25th capacitor, the 26th capacitor, the 27th electricity
Appearance, the 28th capacitor, the 15th rectifier diode, the 16th rectifier diode, the 17th rectifier diode, the 18th rectification
Diode, the 19th rectifier diode, the 20th rectifier diode, the 21st rectifier diode, the 22nd two poles of rectification
Pipe, the 23rd rectifier diode, the 24th rectifier diode, the 25th rectifier diode, the 26th two poles of rectification
Pipe, the 27th rectifier diode, the 28th rectifier diode, the 15th resistance, the 16th resistance, the 17th resistance,
18 resistance, the 19th resistance, the 20th resistance, the 21st resistance, the 22nd resistance, the 23rd resistance, the 20th
Four resistance, the 25th resistance, the 26th resistance, the 27th resistance and the 28th resistance；
The cathode at the 3rd end and the 15th rectifier diode of the secondary coil of one end connection transformer of the 15th capacitor,
The other end of 15th capacitor connects one end of the 16th capacitor, the anode of the 16th rectifier diode and the 17th rectification
The cathode of diode；The other end of 16th capacitor is connecting one end of the 17th capacitor, the 18th rectifier diode just
The cathode of pole and the 19th rectifier diode；The other end of 17th capacitor connects one end of the 18th capacitor, the 20th
The anode of rectifier diode and the cathode of the 21st rectifier diode；The 19th electricity of other end connection of 18th capacitor
One end of appearance, the anode of the 22nd rectifier diode and the 23rd rectifier diode cathode；19th capacitor
The other end connects the negative of one end of the 20th capacitor, the anode of the 24th rectifier diode and the 25th rectifier diode
Pole；The other end of 20th capacitor connects one end of the 21st capacitor, the anode of the 26th rectifier diode and the
The cathode of 27 rectifier diodes；The other end of 21st capacitor connects one end of the 15th resistance, the 23rd
The anode of one end of resistance and the 28th rectifier diode；
22nd capacitor one end connection transformer secondary coil the 4th end, the 22nd capacitor it is another
One end, the anode of the 15th rectifier diode and the cathode of the 16th rectifier diode of the 23rd capacitor of end connection；It is described
The other end of 23rd capacitor connects one end of the 24th capacitor, the anode of the 17th rectifier diode and the 18th rectification
The cathode of diode；The other end of 24th capacitor connects one end of the 25th capacitor, the 19th rectifier diode
Anode and the 20th rectifier diode cathode；The other end of 25th capacitor connects the one of the 26th capacitor
It holds, the cathode of the anode of the 21st rectifier diode and the 22nd rectifier diode；26th capacitor it is another
One end, the anode of the 23rd rectifier diode and the cathode of the 24th rectifier diode of the 27th capacitor of end connection；
The other end of 27th capacitor connects the anode and second of one end of the 28th capacitor, the 25th rectifier diode
The cathode of 16 rectifier diodes；The other end of 28th capacitor connects the anode and the of the 27th rectifier diode
The cathode of 28 rectifier diodes；
The other end of 15th resistance successively with the 16th resistance, the 17th resistance, the 18th resistance, the 19th resistance,
20th resistance, the 21st resistance and the series connection of the 22nd resistance are followed by ground, and the other end of the 23rd resistance is successively
It is connected after connecting with the 24th resistance, the 25th resistance, the 26th resistance, the 27th resistance and the 28th resistance
The anode of the light pipe.
8. more voltage doubling rectifing circuits according to claim 7, which is characterized in that the voltage doubling rectifier module further includes electric current
Sampling resistor, the 2nd end of the secondary coil of one end connection transformer of the current sampling resistor, the current sampling resistor
3rd end of the secondary coil of other end connection transformer and feedback current output end, the current sampling resistor and the 8th resistance,
22nd resistance is grounded jointly.
9. a kind of more voltage multiplying rectifier devices, including shell, pcb board is provided in the shell, which is characterized in that the pcb board
It is upper to be arranged just like more voltage doubling rectifing circuits described in claim 1-8 any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820676956.7U CN208424228U (en) | 2018-05-08 | 2018-05-08 | A kind of more voltage doubling rectifing circuits and more voltage multiplying rectifier devices |
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| CN201820676956.7U CN208424228U (en) | 2018-05-08 | 2018-05-08 | A kind of more voltage doubling rectifing circuits and more voltage multiplying rectifier devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683342A (en) * | 2018-05-08 | 2018-10-19 | 深圳市日联科技有限公司 | A kind of more voltage multiplying rectifier devices, more voltage doubling rectifing circuits and its control method |
| CN112286277A (en) * | 2019-07-24 | 2021-01-29 | 杭州萤石软件有限公司 | Voltage regulating circuit |
-
2018
- 2018-05-08 CN CN201820676956.7U patent/CN208424228U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683342A (en) * | 2018-05-08 | 2018-10-19 | 深圳市日联科技有限公司 | A kind of more voltage multiplying rectifier devices, more voltage doubling rectifing circuits and its control method |
| CN108683342B (en) * | 2018-05-08 | 2023-12-08 | 深圳市日联科技有限公司 | Multi-voltage-multiplying rectifying device, multi-voltage-multiplying rectifying circuit and control method of multi-voltage-multiplying rectifying circuit |
| CN112286277A (en) * | 2019-07-24 | 2021-01-29 | 杭州萤石软件有限公司 | Voltage regulating circuit |
| CN112286277B (en) * | 2019-07-24 | 2022-07-08 | 杭州萤石软件有限公司 | Voltage regulating circuit |
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