CN109347312A - A kind of electric source filter circuit integrated - Google Patents
A kind of electric source filter circuit integrated Download PDFInfo
- Publication number
- CN109347312A CN109347312A CN201811450002.5A CN201811450002A CN109347312A CN 109347312 A CN109347312 A CN 109347312A CN 201811450002 A CN201811450002 A CN 201811450002A CN 109347312 A CN109347312 A CN 109347312A
- Authority
- CN
- China
- Prior art keywords
- transistor
- resistance
- capacitor
- circuit
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 99
- 238000006073 displacement reaction Methods 0.000 claims abstract description 46
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 7
- 230000010349 pulsation Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 15
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 241001465382 Physalis alkekengi Species 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 101000946167 Homo sapiens Transcription factor LBX1 Proteins 0.000 description 2
- 101000946163 Homo sapiens Transcription factor LBX2 Proteins 0.000 description 2
- 102100034738 Transcription factor LBX1 Human genes 0.000 description 2
- 102100034737 Transcription factor LBX2 Human genes 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
- H02M1/15—Arrangements for reducing ripples from dc input or output using active elements
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The electric source filter circuit that one kind of the present invention can integrate, including the rectification circuit being sequentially connected electrically according to current direction, N grades of Rectified alternating current charge displacements and voltage merge rectification circuit and N grades of electronic filter circuits, the rectification circuit is made of bridge rectifier D W1, N+1 step voltage merges rectification unit circuit including at least N grades of Rectified alternating current charge displacement element circuit and at least for the N grades of Rectified alternating current charge displacement and voltage merging rectification circuit, wherein every grade of Rectified alternating current charge displacement element circuit is by a resistance, one capacitor, one transistor composition, every step voltage merges rectification unit circuit and is made of a diode and a transistor；The N grades of electronic filter circuit includes at least one unit electronic filter circuit, wherein each unit electronic filter circuit is made of two triodes, seven resistance, a capacitor, an operational amplifier.
Description
Technical field
The invention belongs to electronic product power source supply technical field, and in particular to it is a kind of for no stroboscopic LED lamp can
Integrated electric source filter circuit.
Background technique
In electronic product, power supply must have, and existing power circuit is obtained by alternating current after over commutation
Rectified alternating current is filtered using filter circuit, is obtained smooth direct current supply electricity consumption device and is used.However in difference
Use occasion, requirement to direct current is different, wherein the requirement without stroboscopic LED lamp to direct current is very high, therefore, nothing
The power filter of stroboscopic LED lamp all uses the filter circuit being made of components such as inductance, electrolytic capacitors.
The filter circuit being made of components such as inductance, electrolytic capacitors is at high cost, volume is big, and its service life is electrolysed
The influence of capacitor and limited.In addition, since the volume of the components such as electrolytic capacitor is big, in some small size lamps and lanterns and glass
It is not available in product lamps and lanterns, therefore needs to research and develop a kind of nothing that can apply to all small size lamps and lanterns and glassware lamps and lanterns
The electric source filter circuit that stroboscopic can integrate.
Summary of the invention
The present invention overcomes the shortcomings of the prior art, technical problem to be solved are as follows: provides a kind of small in size, cost
Low, long service life (can be made into) integrated electric source filter circuit suitable for no stroboscopic LED lamp.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: the electric source filter circuit that one kind can integrate,
Rectification circuit, N grades of Rectified alternating current charge displacements and voltage including being sequentially connected electrically according to current direction merge rectification circuit
With N grades of electronic filter circuits, the rectification circuit is made of bridge rectifier D W1, the N grades of Rectified alternating current charge displacement and
It includes that at least N grades of Rectified alternating current charge displacement element circuit and N+1 step voltage merge rectification unit that voltage, which merges rectification circuit,
Circuit, wherein every grade of Rectified alternating current charge displacement element circuit is made of a resistance, a capacitor, a transistor, often
Step voltage merges rectification unit circuit and is made of a diode and a transistor；The N grades of electronic filter circuit includes extremely
A few unit electronic filter circuit, wherein each unit electronic filter circuit is by two triodes, seven resistance, an electricity
Hold, an operational amplifier composition (wherein N is positive integer).
It includes nine grades of Rectified alternating current charge displacements that the N grades of Rectified alternating current charge displacement and voltage, which merge rectification circuit,
Element circuit and ten step voltages merge rectification unit circuit, physical circuit include resistance R2, R4, R6, R8, R10, R12, R14,
R16, R18, transistor Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18,
Q19, capacitor CJ1, CJ2, CJ3, CJ4, CJ5, CJ6, CJ7, CJ8, CJ9 and diode D1, D2, D3, D4, D5, D6, D7,
D8,D9,D10；The N grades of electronic filter circuit include a unit electronic filter circuit, specifically include resistance R19, R20,
R21, R22, R23, R24, R25, triode Q29, Q30, operational amplifier U1A and capacitor CJ10；The bridge rectifier D W1's
Input anode connects the end L of 220V/50Hz alternating current, and input cathode connects the N-terminal of 220V/50Hz alternating current, output end
Cathode ground connection, output head anode are separately connected the anode of one end of resistance R2, the source electrode of transistor Q2 and diode D1, institute
The other end for stating resistance R2 is separately connected the grid of transistor Q2 and one end of capacitor CJ1, the drain electrode connection of the transistor Q2
The other end of capacitor CJ1, the anode of diode D2, one end of resistance R4 and transistor Q4 source electrode, the yin of the diode D1
Pole is separately connected the source electrode and grid of transistor Q1；The cathode of the diode D2 is separately connected the source electrode and grid of transistor Q3
Pole；The other end of the resistance R4 is separately connected the grid of transistor Q4 and one end of capacitor CJ2, the drain electrode of the transistor Q4
Connect the other end of capacitor CJ2, the anode of diode D3, one end of resistance R6 and transistor Q6 source electrode, the diode D3
Cathode be separately connected the source electrode and grid of transistor Q5；The other end of the resistance R6 be separately connected transistor Q6 grid and
One end of capacitor CJ3, the transistor Q6 drain electrode connection the other end of capacitor CJ3, the anode of diode D4, resistance R8 one
The source electrode at end and transistor Q8, the cathode of the diode D4 are separately connected the source electrode and grid of transistor Q7；The resistance R8
The other end be separately connected the grid of transistor Q8 and one end of capacitor CJ4, the drain electrode connection capacitor CJ4's of the transistor Q8
The other end, the anode of diode D5, one end of resistance R10 and transistor Q10 source electrode, the cathode of the diode D5 connects respectively
Connect the source electrode and grid of transistor Q9；The other end of the resistance R10 is separately connected the grid and capacitor CJ5 of transistor Q10
One end, the drain electrode connection other end of capacitor CJ5, the anode of diode D6, one end of resistance R12 and the crystalline substance of the transistor Q10
The cathode of the source electrode of body pipe Q12, the diode D6 is separately connected the source electrode and grid of transistor Q11；The resistance R12's is another
One end is separately connected the grid of transistor Q12 and one end of capacitor CJ6, and the drain electrode connection capacitor CJ6's of the transistor Q12 is another
One end, the anode of diode D7, one end of resistance R14 and transistor Q14 source electrode, the cathode of the diode D7 is separately connected
The source electrode and grid of transistor Q13；The other end of the resistance R14 be separately connected transistor Q14 grid and capacitor CJ7 one
End, the drain electrode connection other end of capacitor CJ7, the anode of diode D8, one end of resistance R16 and the crystal of the transistor Q14
The cathode of the source electrode of pipe Q16, the diode D8 is separately connected the source electrode and grid of transistor Q15；The resistance R16's is another
End is separately connected the grid of transistor Q16 and one end of capacitor CJ8, and the drain electrode connection capacitor CJ8's of the transistor Q16 is another
End, the anode of diode D9, one end of resistance R18 and transistor Q18 source electrode, the cathode of the diode D9 is separately connected crystalline substance
The source electrode and grid of body pipe Q17；The other end of the resistance R18 be separately connected transistor Q18 grid and capacitor CJ9 one
End, the drain electrode of the transistor Q18 connect the anode of the other end of capacitor CJ9, diode D10, the cathode of the diode D10
It is separately connected the source electrode and grid of transistor Q19；The drain electrode of the transistor Q1, the drain electrode of Q3, the drain electrode of Q5, the drain electrode of Q7,
With resistance R20's after the drain electrode of Q9, the drain electrode of Q11, the drain electrode of Q13, the drain electrode of Q15, the drain electrode of Q17 and the drain electrode of Q19 connection
One end, triode Q29 collector be connected with the collector of triode Q30, the other end connecting triode of the resistance R20
The base stage of Q29, one end of resistance R21, one end of resistance R24, one end of resistance R25 and resistance R23 one end, the triode
The base stage of emitter connecting triode Q30 of Q29 and one end of the other end of resistance R21 and resistance R19, the resistance R19's
Output head anode Vled+ is formed after the emitter of other end connecting triode Q30；The other end of the resistance R24 connects operation
One end of No. 3 pins and capacitor CJ10 of amplifier U1A, No. 4 of the other end connection operational amplifier U1A of the capacitor CJ10
The other end of pin and resistance R23 form negative pole of output end with being followed by, and No. 2 pins of the operational amplifier U1A connect resistance
One end of R22, the other end of the other end connection resistance R25 of the resistance R22 and No. 1 pin of operational amplifier U1A, it is described
The external linear power vd D of No. 8 pins of operational amplifier.
The transistor Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17,
Q18, Q19 are N-channel type MOS transistor.
The N grades of electronic filter circuit is composed in series by two unit electronic filter circuits.
The N grades of electronic filter circuit is composed in parallel by two unit electronic filter circuits.
The N grades of electronic filter circuit is made of four unit electronic filter circuit strings and mixing.
Technical solution provided by the invention have compared with prior art it is following the utility model has the advantages that
1, technology provided by the present invention all uses semiconductor material, convenient for integrated；
2, the CJ capacitor in N grades of Rectified alternating current charge displacement circuits, in metal-oxide-semiconductor when can utilize production metal-oxide-semiconductor technique
Grid and drain electrode between formed, form integrated N grades of Rectified alternating current charge displacement circuit, obtain Rectified alternating current charge
Voltage waveform required for shifting；
3, CJ capacitor in electronic filter circuit is using integrated dielectric capacitance, by operational amplifier by CJ capacitor
Capacity amplifies N times, as the filter capacitor of electronic filter, can effectively filter out N grades of Rectified alternating current charge displacements and voltage
The clutter component for merging rectification circuit, obtains excellent direct current；
4, it can be made into integrated circuit, small in size, consistency is good, and the service life is long, with conveniently, reduces production process, adapts to
Large-scale production；
In summary: technology provided by the present invention all uses semiconductor material, avoids existing power supply filtered electrical
The shortcomings that in road using large volumes components such as inductance, electrolytic capacitors, therefore, it can be made integrated circuit, small in size, consistency
Good, the service life is long, with conveniently, can improve production throughput；It, can be used in parallel with multiple groups simultaneously when load current is inadequate.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing；
Fig. 1 is schematic block circuit diagram of the invention；
Fig. 2 is the particular circuit configurations schematic diagram of the embodiment of the present invention one；
Fig. 3 is that the nine grades of Rectified alternating current charge displacements and voltage in the present invention merge rectifier circuit structure schematic diagram；
Fig. 4 is the unit electronic filter circuit structural schematic diagram in the present invention；
Fig. 5 is the schematic block circuit diagram of the embodiment of the present invention two；
Fig. 6 is the schematic block circuit diagram of the embodiment of the present invention three；
Fig. 7 is the schematic block circuit diagram of the embodiment of the present invention four；
Fig. 8 is two unit electronic filter circuit cascaded structure schematic diagrames in the present invention；
Fig. 9 is two unit electronic filter circuit parallel-connection structure schematic diagrames in the present invention；
Figure 10 is four unit electronic filter circuit strings and mixed structure schematic diagram in the present invention；
Figure 11 be in the present invention Rectified alternating current that is obtained after rectifier circuit rectifies of 220V/50Hz alternating current by the
Voltage order one merges the LBX1 waveform diagram obtained after rectification unit circuit；
Figure 12 be in the present invention Rectified alternating current that is obtained after rectifier circuit rectifies of 220V/50Hz alternating current by the
The LBX2 waveform diagram being delayed after level-one Rectified alternating current charge displacement element circuit；
Figure 13 be in the present invention Rectified alternating current that is obtained after rectifier circuit rectifies of 220V/50Hz alternating current by the
The LBX10 waveform diagram being delayed after nine grades of Rectified alternating current charge displacement element circuits；
Figure 14 is that the Rectified alternating current that 220V/50Hz alternating current obtains after rectifier circuit rectifies in the present invention successively passes through
It crosses after nine grades of Rectified alternating current charge displacement element circuits and ten step voltages merging rectification unit circuit using primary unit electricity
The waveform diagram obtained after sub- filter circuit, in figure: LBX11 waveform is that Rectified alternating current merges by charge displacement and voltage
The waveform obtained after rectification, LBX12 waveform obtain after the filtering of primary unit electronic filter circuit smooth for LBX11 waveform
Direct current electrical waveform.
Figure 15 is first order Rectified alternating current charge displacement element circuit in the present invention；
Figure 16 is the structural schematic diagram that the first step voltage merges rectification unit circuit in the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments；Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
As shown in Figure 1, the electric source filter circuit that one kind provided by the invention can integrate, including it is successively electric according to current direction
The rectification circuit of connection, N grades of Rectified alternating current charge displacements and voltage merge rectification circuit and N grades of electronic filter circuits, described
Rectification circuit is made of bridge rectifier D W1, and the N grades of Rectified alternating current charge displacement and voltage merge rectification circuit including extremely
Few N grades of Rectified alternating current charge displacement element circuits and N+1 step voltage merge rectification unit circuit, wherein every grade of Rectified alternating current
Charge displacement element circuit is made of a resistance, a capacitor, a transistor, every step voltage merge rectification unit circuit by
One diode and a transistor composition；The N grades of electronic filter circuit includes at least one unit electronic filter circuit,
In each unit electronic filter circuit (wherein N formed by two triodes, seven resistance, a capacitor, an operational amplifier
For positive integer).
As in Figure 2-4, it includes that nine grades of pulsation are straight that the N grades of Rectified alternating current charge displacement and voltage, which merge rectification circuit,
Galvanic electricity charge displacement element circuit and ten step voltages merge rectification unit circuit, physical circuit include resistance R2, R4, R6, R8,
R10, R12, R14, R16, R18, transistor Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15,
Q16, Q17, Q18, Q19, capacitor CJ1, CJ2, CJ3, CJ4, CJ5, CJ6, CJ7, CJ8, CJ9 and diode D1, D2, D3,
D4,D5,D6,D7,D8,D9,D10；The N grades of electronic filter circuit includes a unit electronic filter circuit, specifically includes electricity
Hinder R19, R20, R21, R22, R23, R24, R25, triode Q29, Q30, operational amplifier U1A and capacitor CJ10；The bridge-type
The end L of the input anode connection 220V/50Hz alternating current of rectifier DW1, input cathode connect 220V/50Hz alternating current
N-terminal, negative pole of output end ground connection, output head anode are separately connected one end of resistance R2, the source electrode of transistor Q2 and diode D1
Anode, the other end of the resistance R2 is separately connected the grid of transistor Q2 and one end of capacitor CJ1, the transistor Q2's
Drain electrode connection the other end of capacitor CJ1, the anode of diode D2, one end of resistance R4 and transistor Q4 source electrode, two pole
The cathode of pipe D1 is separately connected the source electrode and grid of transistor Q1；The cathode of the diode D2 is separately connected the source of transistor Q3
Pole and grid；The other end of the resistance R4 is separately connected the grid of transistor Q4 and one end of capacitor CJ2, the transistor Q4
Drain electrode connection the other end of capacitor CJ2, the anode of diode D3, one end of resistance R6 and transistor Q6 source electrode, described two
The cathode of pole pipe D3 is separately connected the source electrode and grid of transistor Q5；The other end of the resistance R6 is separately connected transistor Q6's
The drain electrode of one end of grid and capacitor CJ3, the transistor Q6 connects the other end of capacitor CJ3, the anode of diode D4, resistance
The cathode of one end of R8 and the source electrode of transistor Q8, the diode D4 is separately connected the source electrode and grid of transistor Q7；It is described
The other end of resistance R8 is separately connected the grid of transistor Q8 and one end of capacitor CJ4, and the drain electrode of the transistor Q8 connects electricity
Hold the other end of CJ4, the anode of diode D5, one end of resistance R10 and transistor Q10 source electrode, the yin of the diode D5
Pole is separately connected the source electrode and grid of transistor Q9；The other end of the resistance R10 is separately connected the grid and electricity of transistor Q10
Hold CJ5 one end, the transistor Q10 drain electrode connection the other end of capacitor CJ5, the anode of diode D6, resistance R12 one
The source electrode at end and transistor Q12, the cathode of the diode D6 are separately connected the source electrode and grid of transistor Q11；The resistance
The other end of R12 is separately connected the grid of transistor Q12 and one end of capacitor CJ6, and the drain electrode of the transistor Q12 connects capacitor
The other end of CJ6, the anode of diode D7, one end of resistance R14 and transistor Q14 source electrode, the cathode of the diode D7
It is separately connected the source electrode and grid of transistor Q13；The other end of the resistance R14 is separately connected the grid and electricity of transistor Q14
Hold CJ7 one end, the transistor Q14 drain electrode connection the other end of capacitor CJ7, the anode of diode D8, resistance R16 one
The source electrode at end and transistor Q16, the cathode of the diode D8 are separately connected the source electrode and grid of transistor Q15；The resistance
The other end of R16 is separately connected the grid of transistor Q16 and one end of capacitor CJ8, and the drain electrode of the transistor Q16 connects capacitor
The other end of CJ8, the anode of diode D9, one end of resistance R18 and transistor Q18 source electrode, the cathode of the diode D9
It is separately connected the source electrode and grid of transistor Q17；The other end of the resistance R18 is separately connected the grid and electricity of transistor Q18
Hold one end of CJ9, the drain electrode of the transistor Q18 connects the anode of the other end of capacitor CJ9, diode D10, the diode
The cathode of D10 is separately connected the source electrode and grid of transistor Q19；The drain electrode of the transistor Q1, the drain electrode of Q3, the drain electrode of Q5,
The drain electrode of Q7, the drain electrode of Q9, the drain electrode of Q11, the drain electrode of Q13, the drain electrode of Q15, the drain electrode of Q17 and the drain electrode of Q19 connection after with
One end of resistance R20, the collector of triode Q29 are connected with the collector of triode Q30, the other end of the resistance R20
The base stage of connecting triode Q29, one end of resistance R21, one end of resistance R24, one end of resistance R25 and resistance R23 one end,
The base stage of emitter connecting triode Q30 of the triode Q29 and one end of the other end of resistance R21 and resistance R19, it is described
Output head anode Vled+ is formed after the emitter of the other end connecting triode Q30 of resistance R19；The other end of the resistance R24
One end of No. 3 pins and capacitor CJ10 of operational amplifier U1A is connected, the other end of the capacitor CJ10 connects operational amplifier
No. 4 pins of U1A and the other end of resistance R23 form negative pole of output end, No. 2 pins of the operational amplifier U1A with being followed by
Connect one end of resistance R22, the other end of the other end connection resistance R25 of the resistance R22 and No. 1 of operational amplifier U1A
Pin, the external linear power vd D of No. 8 pins of the operational amplifier.
The transistor Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17,
Q18, Q19 are N-channel type MOS transistor.
As shown in figure 5, the N grades of electronic filter circuit is composed in series by two unit electronic filter circuits.
As shown in fig. 6, the N grades of electronic filter circuit is composed in parallel by two unit electronic filter circuits.
As shown in fig. 7, the N grades of electronic filter circuit is made of four unit electronic filter circuit strings and mixing.
As shown in Fig. 2, Figure 11, Figure 12, Figure 13, in the present invention, diode D1 and transistor Q1 form the first step voltage and close
And rectification unit circuit, resistance R2, transistor Q2 and capacitor CJ1 form first order Rectified alternating current charge displacement element circuit；
The alternating current of 220V/50Hz rectifies to obtain 100Hz to be Rectified alternating current Vin (waveform LBX1) by bridge rectifier D W1, should
Rectified alternating current Vin is applied directly to N-channel type MOS transistor Q2 source electrode, while electric energy is added to transistor Q2's through resistance R2
Grid is stored the charge short time by the capacitor CJ1 being connected between transistor gate and drain electrode, when transistor Q2's
When grid voltage rises to certain value, transistor Q2 conducting, due to the presence of resistance R2, capacitor CJ1, the pulsating direct current of 100Hz
Drain electrode (waveform LBX2) of the first voltage signal delay transport of electric Vin to transistor Q2 output end, the length of delay time
The short parameter by resistance R2 and capacitor CJ1 determines；Diode D2 and transistor Q3 forms the second step voltage and merges rectification unit electricity
Road, resistance R4, transistor Q4 and capacitor CJ2 form second level Rectified alternating current charge displacement element circuit；Diode D3 and crystalline substance
Body pipe Q5 forms third step voltage and merges rectification unit circuit, and resistance R6, transistor Q6 and capacitor CJ3 composition third level pulsation are straight
Galvanic electricity charge displacement element circuit；Diode D4 and transistor Q7 composition fourth stage voltage merging rectification unit circuit, resistance R8,
Transistor Q8 and capacitor CJ4 forms fourth stage Rectified alternating current charge displacement element circuit；Diode D5 and transistor Q9 composition
Level V voltage merges rectification unit circuit, and resistance R10, transistor Q10 and capacitor CJ5 form level V Rectified alternating current charge
Shift unit circuit；Diode D6 and transistor Q11 forms the 6th step voltage and merges rectification unit circuit, resistance R12, transistor
Q12 and capacitor CJ6 forms the 6th grade of Rectified alternating current charge displacement element circuit；Diode D7 and transistor Q13 composition the 7th
Step voltage merges rectification unit circuit, and resistance R14, transistor Q14 and capacitor CJ7 form the 7th grade of Rectified alternating current charge displacement
Element circuit；Diode D8 and transistor Q15 forms the 8th step voltage and merges rectification unit circuit, resistance R16, transistor Q16
The 8th grade of Rectified alternating current charge displacement element circuit is formed with capacitor CJ8；Diode D9 and transistor Q17 forms the 9th grade of electricity
Simultaneously rectification unit circuit is pressed, resistance R18, transistor Q18 and capacitor CJ9 form the 9th grade of Rectified alternating current charge displacement unit
Circuit, it is defeated that Rectified alternating current is transferred to transistor Q18 after the 9th grade of Rectified alternating current charge displacement element circuit delay displacement
The drain electrode (waveform LBX10) of outlet；Diode D10 and transistor Q19 forms the tenth step voltage and merges rectification unit circuit；On
The working principle for stating every grade of Rectified alternating current charge displacement element circuit is identical, and every step voltage merges the work of rectification unit circuit
Principle is also identical；When Rectified alternating current is successively whole by what subsequent Rectified alternating current charge displacement element circuit and voltage merging
There is also a part in voltage output Vout after obtaining displacement superposition after stream element circuit and rectifying, voltage output Vout
Above-mentioned voltage output Vout is filtered, in unit electronic filter circuit by clutter component by unit electronic filter circuit
Triode Q29, Q30, resistance R19, R20, R21 form darlington amplifying circuit, are equivalent to a triode, this triode
Amplification factor is the product of triode Q29 and Q30 amplification factor；Operational amplifier U1A, resistance R22, R23, R24, R25, capacitor
CJ10 constitutes artificial capacitor；The positive input terminal of operational amplifier U1A accesses a dielectric capacitance CJ10 that can be integrated, due to fortune
It calculates amplifier U1A and resistance R22, R23, R24, R25 forms the very big operation amplifier circuit of gain amplifier, by dielectric capacitance
Capacitance is amplified to thousands of or even up to ten thousand times, is equivalent to and realizes simulation bulky capacitor, therefore equivalent implementation is in Darlington amplification
The base stage of the triode of circuit equivalent has accessed a simulation bulky capacitor.
As shown in figure 14, when there is voltage Vout (waveform LBX11) input in unit electronic filter circuit, by resistance
R20 powers to the base stage of triode Q29, and since the base stage of triode Q29 is connected to a capacitor, resistance R20 first carries out capacitor
Charging, when current potential reaches the conducting voltage of triode Q29, darlington amplifying circuit has voltage Vled+ output；If be input to
When fluctuating or having clutter to occur occur in voltage Vout in electronic filter circuit, the electric energy being stored in capacitor releases dimension again
Darlington amplifying circuit work is held, the effect of smooth electric current is further realized；In conclusion what Rectified alternating current successively passes through
Rectified alternating current charge displacement element circuit and voltage obtain the voltage after displacement is superimposed and rectifies after merging rectification unit circuit
It exports Vout to input from the collector of triode Q29, Q30 in electronic filter circuit, base stage is connected by operational amplifier U1A etc.
The equivalent simulation bulky capacitor of component composition, exports Vled+ (waveform LBX12) from the emitter of triode Q29, Q30 after filtering,
It is supplied to LED or LED drive circuit uses；It is operational amplifier by vdd line power supply in said units electronic filter circuit
U1A power supply.
As shown in figure 8, it is further, in unit electronic filter circuit, due to the amplification factor of darlington amplifying circuit
Difference, the gain amplifier of operation amplifier circuit is not also identical, therefore also just different to the amplification effect of artificial capacitor, therefore when one
When grade unit electronic filter circuit is not able to satisfy filtering requirements, it may be considered that made using the series connection of multiple unit electronic filter circuits
With until filter effect meets smoothness requirements, specific series system is by the output of individual unit electronic filter circuit
It holds and links together with the input terminal of next unit electronic filter circuit, be sequentially connected, with first unit electronic filtering electricity
The input terminal on road is input terminal, using the output end of the last one unit electronic filter circuit as output end.
As shown in figure 9, it is further, since the artificial capacitor of individual unit electronic filter circuit is to integrate to come out,
Capacitance can not be infinitely great, and electric current has relationship to the capacitance in the size and unit electronic filter circuit of load, works as electricity
When capacity is inadequate, the direct current ripple provided will increase, therefore when needing to provide biggish DC current flow, it needs unit electricity
Sub- filter circuit is together in parallel use, specific parallel way be by the input terminal of individual unit electronic filter circuit and another or
The input terminal of the N number of unit electronic filter circuit of person is connected together as input terminal, their output end is linked together work
For output end.
As shown in Figure 10, further, when load it is bigger to current requirements and meanwhile to the smoothness requirements of electric current also compared with
Gao Shi can be realized using multiple unit electronic filter circuit strings and Hybrid connections.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
- It is straight including the rectification circuit that is sequentially connected electrically according to current direction, N grades of pulsation 1. the electric source filter circuit that one kind can integrate Galvanic electricity charge displacement and voltage merge rectification circuit and N grades of electronic filter circuits, it is characterised in that: the rectification circuit is by bridge-type Rectifier DW1 is constituted, and the N grades of Rectified alternating current charge displacement and voltage merge rectification circuit and includes at least N grades of pulsating direct current Electric charge displacement element circuit and at least N+1 step voltage merge rectification unit circuit, wherein every grade of Rectified alternating current charge displacement Element circuit is made of a resistance, a capacitor, a transistor, and every step voltage merges rectification unit circuit by two poles Pipe and a transistor composition；The N grades of electronic filter circuit includes at least one unit electronic filter circuit, wherein each list First electronic filter circuit is made of two triodes, seven resistance, a capacitor, an operational amplifier.
- 2. the electric source filter circuit that one kind according to claim 1 can integrate, it is characterised in that: the N grades of pulsating direct current It includes that nine grades of Rectified alternating current charge displacement element circuits and ten step voltages merge that electric charge displacement and voltage, which merge rectification circuit, Rectification unit circuit, physical circuit include resistance R2, R4, R6, R8, R10, R12, R14, R16, R18, transistor Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18, Q19, capacitor CJ1, CJ2, CJ3, CJ4, CJ5, CJ6, CJ7, CJ8, CJ9 and diode D1, D2, D3, D4, D5, D6, D7, D8, D9, D10；The N grades of electronics Filter circuit includes a unit electronic filter circuit, specifically includes resistance R19, R20, R21, R22, R23, R24, R25, three poles Pipe Q29, Q30, operational amplifier U1A and capacitor CJ10；The input anode of the bridge rectifier D W1 connects 220V/50Hz The end L of alternating current, input cathode connect the N-terminal of 220V/50Hz alternating current, negative pole of output end ground connection, output head anode difference One end, the source electrode of transistor Q2 and the anode of diode D1 of resistance R2 are connected, the other end of the resistance R2 is separately connected The grid of transistor Q2 and one end of capacitor CJ1, the other end, the diode D2 of the drain electrode connection capacitor CJ1 of the transistor Q2 Anode, one end of resistance R4 and the source electrode of transistor Q4, the cathode of the diode D1 is separately connected the source electrode of transistor Q1 And grid；The cathode of the diode D2 is separately connected the source electrode and grid of transistor Q3；The other end of the resistance R4 is distinguished Connect the grid of transistor Q4 and one end of capacitor CJ2, the other end of the drain electrode connection capacitor CJ2 of the transistor Q4, two poles The anode of pipe D3, one end of resistance R6 and transistor Q6 source electrode, the cathode of the diode D3 is separately connected transistor Q5's Source electrode and grid；The other end of the resistance R6 is separately connected the grid of transistor Q6 and one end of capacitor CJ3, the transistor Q6 drain electrode connection the other end of capacitor CJ3, the anode of diode D4, one end of resistance R8 and transistor Q8 source electrode, it is described The cathode of diode D4 is separately connected the source electrode and grid of transistor Q7；The other end of the resistance R8 is separately connected transistor Q8 Grid and capacitor CJ4 one end, the drain electrode of the transistor Q8 connects the other end of capacitor CJ4, the anode of diode D5, electricity One end of R10 and the source electrode of transistor Q10 are hindered, the cathode of the diode D5 is separately connected the source electrode and grid of transistor Q9； The other end of the resistance R10 is separately connected the grid of transistor Q10 and one end of capacitor CJ5, the drain electrode of the transistor Q10 Connect the other end of capacitor CJ5, the anode of diode D6, one end of resistance R12 and transistor Q12 source electrode, the diode The cathode of D6 is separately connected the source electrode and grid of transistor Q11；The other end of the resistance R12 is separately connected transistor Q12's The drain electrode of one end of grid and capacitor CJ6, the transistor Q12 connects the other end of capacitor CJ6, the anode of diode D7, electricity One end of R14 and the source electrode of transistor Q14 are hindered, the cathode of the diode D7 is separately connected the source electrode and grid of transistor Q13； The other end of the resistance R14 is separately connected the grid of transistor Q14 and one end of capacitor CJ7, the drain electrode of the transistor Q14 Connect the other end of capacitor CJ7, the anode of diode D8, one end of resistance R16 and transistor Q16 source electrode, the diode The cathode of D8 is separately connected the source electrode and grid of transistor Q15；The other end of the resistance R16 is separately connected transistor Q16's The drain electrode of one end of grid and capacitor CJ8, the transistor Q16 connects the other end of capacitor CJ8, the anode of diode D9, electricity One end of R18 and the source electrode of transistor Q18 are hindered, the cathode of the diode D9 is separately connected the source electrode and grid of transistor Q17； The other end of the resistance R18 is separately connected the grid of transistor Q18 and one end of capacitor CJ9, the drain electrode of the transistor Q18 The other end of capacitor CJ9, the anode of diode D10 are connected, the cathode of the diode D10 is separately connected the source of transistor Q19 Pole and grid；Drain electrode, the drain electrode of Q3, the drain electrode of Q5, the drain electrode of Q7, the drain electrode of Q9, the drain electrode of Q11, Q13 of the transistor Q1 Drain electrode, the drain electrode of Q15, the collector after the drain electrode connection of the drain electrode of Q17 and Q19 with one end of resistance R20, triode Q29 It is connected with the collector of triode Q30, the one of the base stage of the other end connecting triode Q29 of the resistance R20, resistance R21 End, one end of resistance R24, one end of resistance R25 and resistance R23 one end, the emitter connecting triode of the triode Q29 One end of the base stage of Q30 and the other end of resistance R21 and resistance R19, the other end connecting triode Q30's of the resistance R19 Output head anode Vled+ is formed after emitter；No. 3 pins and electricity of the other end connection operational amplifier U1A of the resistance R24 Hold one end of CJ10, the other end of No. 4 pins and resistance R23 of the other end connection operational amplifier U1A of the capacitor CJ10 Form negative pole of output end, one end of No. 2 pins connection resistance R22 of the operational amplifier U1A, the resistance R22 with being followed by Other end connection resistance R25 the other end and operational amplifier U1A No. 1 pin, outside No. 8 pins of the operational amplifier Wiring power vd D.
- 3. the electric source filter circuit that one kind according to claim 2 can integrate, it is characterised in that: the transistor Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18, Q19 are N-channel type MOS crystal Pipe.
- 4. the electric source filter circuit that one kind according to claim 1 can integrate, it is characterised in that: the N grades of electronic filtering Circuit is composed in series by two unit electronic filter circuits.
- 5. the electric source filter circuit that one kind according to claim 1 can integrate, it is characterised in that: the N grades of electronic filtering Circuit is composed in parallel by two unit electronic filter circuits.
- 6. the electric source filter circuit that one kind according to claim 1 can integrate, it is characterised in that: the N grades of electronic filtering Circuit is made of four unit electronic filter circuit strings and mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811450002.5A CN109347312A (en) | 2018-11-30 | 2018-11-30 | A kind of electric source filter circuit integrated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811450002.5A CN109347312A (en) | 2018-11-30 | 2018-11-30 | A kind of electric source filter circuit integrated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109347312A true CN109347312A (en) | 2019-02-15 |
Family
ID=65319412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811450002.5A Pending CN109347312A (en) | 2018-11-30 | 2018-11-30 | A kind of electric source filter circuit integrated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109347312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114564082A (en) * | 2022-01-23 | 2022-05-31 | 苏州浪潮智能科技有限公司 | Load card and load test system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101030441A (en) * | 2006-02-28 | 2007-09-05 | 中国科学院计算技术研究所 | Method and apparatus for reading and sampling data of DDR and DDR2 memory controller |
| CN101925244A (en) * | 2010-01-15 | 2010-12-22 | 海洋王照明科技股份有限公司 | Ballast circuit for high-frequency electrode-less fluorescent lamp |
| CN103178844A (en) * | 2011-12-22 | 2013-06-26 | 爱思开海力士有限公司 | Filtering circuit, phase indentity determination circuit and delay locked loop |
| US20130336417A1 (en) * | 2011-03-09 | 2013-12-19 | Ken Takei | Polarization-angle-division diversity wireless transmitter, wireless receiver, and wireless communication system |
| CN103997303A (en) * | 2014-05-13 | 2014-08-20 | 北京燕东微电子有限公司 | High-gain pre-amplifier for electret microphone and electret microphone |
| CN106059344A (en) * | 2016-07-29 | 2016-10-26 | 四川华索自动化信息工程有限公司 | Power supply for multi-circuit processing type carbon baking furnace flue temperature monitoring system |
| CN106198070A (en) * | 2016-06-28 | 2016-12-07 | 湖南科技大学 | Automatic resonance and demodulation device based on switch-capacitor filtering |
| CN106655742A (en) * | 2016-09-26 | 2017-05-10 | 中国电子科技集团公司第二十九研究所 | Ultralow ripple wave circuit control method and device |
| CN108758544A (en) * | 2018-07-13 | 2018-11-06 | 常州拓晶照明科技有限公司 | Automobile-used 360 ° of light emitting LED lamps |
| CN209046520U (en) * | 2018-11-30 | 2019-06-28 | 常州拓晶照明科技有限公司 | A kind of electric source filter circuit integrated |
-
2018
- 2018-11-30 CN CN201811450002.5A patent/CN109347312A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101030441A (en) * | 2006-02-28 | 2007-09-05 | 中国科学院计算技术研究所 | Method and apparatus for reading and sampling data of DDR and DDR2 memory controller |
| CN101925244A (en) * | 2010-01-15 | 2010-12-22 | 海洋王照明科技股份有限公司 | Ballast circuit for high-frequency electrode-less fluorescent lamp |
| US20130336417A1 (en) * | 2011-03-09 | 2013-12-19 | Ken Takei | Polarization-angle-division diversity wireless transmitter, wireless receiver, and wireless communication system |
| CN103178844A (en) * | 2011-12-22 | 2013-06-26 | 爱思开海力士有限公司 | Filtering circuit, phase indentity determination circuit and delay locked loop |
| CN103997303A (en) * | 2014-05-13 | 2014-08-20 | 北京燕东微电子有限公司 | High-gain pre-amplifier for electret microphone and electret microphone |
| CN106198070A (en) * | 2016-06-28 | 2016-12-07 | 湖南科技大学 | Automatic resonance and demodulation device based on switch-capacitor filtering |
| CN106059344A (en) * | 2016-07-29 | 2016-10-26 | 四川华索自动化信息工程有限公司 | Power supply for multi-circuit processing type carbon baking furnace flue temperature monitoring system |
| CN106655742A (en) * | 2016-09-26 | 2017-05-10 | 中国电子科技集团公司第二十九研究所 | Ultralow ripple wave circuit control method and device |
| CN108758544A (en) * | 2018-07-13 | 2018-11-06 | 常州拓晶照明科技有限公司 | Automobile-used 360 ° of light emitting LED lamps |
| CN209046520U (en) * | 2018-11-30 | 2019-06-28 | 常州拓晶照明科技有限公司 | A kind of electric source filter circuit integrated |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114564082A (en) * | 2022-01-23 | 2022-05-31 | 苏州浪潮智能科技有限公司 | Load card and load test system |
| CN114564082B (en) * | 2022-01-23 | 2023-07-14 | 苏州浪潮智能科技有限公司 | Load card and load test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107529241B (en) | A kind of linear Constant-power LED drive circuit of single hop and method | |
| CN103368371B (en) | A kind of circuit of power factor correction | |
| CN103997828B (en) | A kind of no electrolytic capacitor LED drive power based on Buck circuit | |
| CN103683876B (en) | A kind of seven electrical level inverters | |
| CN203162873U (en) | AC (alternating current) direct-drive current correcting circuit of LED lamp | |
| CN209046520U (en) | A kind of electric source filter circuit integrated | |
| CN109347312A (en) | A kind of electric source filter circuit integrated | |
| CN203167384U (en) | AC directly driving LED lamp current control circuit | |
| CN110504826A (en) | LED drive system goes ripple circuit and method | |
| CN208424226U (en) | A kind of wide input conversion circuit | |
| CN106068044A (en) | Lamp device, lighting device and ligthing paraphernalia | |
| CN209462660U (en) | A kind of N grades of Rectified alternating current charge displacement and voltage merge rectification circuit | |
| CN102611338A (en) | Wide voltage impedance step-down circuit | |
| CN209710373U (en) | A kind of electronic filter circuit | |
| CN107231719B (en) | LED driving light modulation feedback control circuit | |
| CN208908416U (en) | A kind of current filtering circuit | |
| CN203151827U (en) | Ultra-long-life large-current light emitting diode (LED) drive power circuit | |
| CN109194179B (en) | Great power bidirectional AC/DC integrated power supply device | |
| CN206596261U (en) | Drive circuit | |
| CN203326879U (en) | Quasi-single-stage high-power-factor constant-current circuit and device | |
| CN106231738A (en) | The driving lighting circuit of a kind of stagewise AC LED and driving method thereof | |
| CN205847668U (en) | A kind of linear light-adjustable LED lamp | |
| CN109275239A (en) | A kind of N grades of Rectified alternating current charge displacement and voltage merge rectification circuit | |
| CN203608437U (en) | LED power supply with PFC circuit | |
| CN204859676U (en) | LED drive arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |