CN107656478A - One kind has pulsed clarifier high voltage buffer-type control system - Google Patents
One kind has pulsed clarifier high voltage buffer-type control system Download PDFInfo
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- CN107656478A CN107656478A CN201710992746.9A CN201710992746A CN107656478A CN 107656478 A CN107656478 A CN 107656478A CN 201710992746 A CN201710992746 A CN 201710992746A CN 107656478 A CN107656478 A CN 107656478A
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 19
- 238000004332 deodorization Methods 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- 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
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/34—Snubber circuits
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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- Rectifiers (AREA)
Abstract
The invention discloses one kind to have pulsed clarifier high voltage buffer-type control system, mainly by transformer T, diode rectifier U1, high-pressure buffer circuit, control chip U2, photoelectrical coupler IC, bidirectional thyristor V, triode VT4, and the composition such as one end is connected with triode VT4 emitter stage, resistance R10 of other end ground connection.The present invention can improve power electronic devices by high-pressure buffer circuit and turn on and off voltage, the current waveform that the moment is born, the high-pressure buffer circuit is big to the equiva lent impedance of device, and the voltage that device can be prevented to be born rises rapidly, stable voltage x current is exported；And the dutycycle of voltage can also be adjusted by the present invention, and can accelerate PWM ripple governing speeds, improve PWM ripple dynamic properties, make PWM ripples more stable, so as to improve the stability of the output voltage of the present invention.
Description
Technical field
The present invention relates to a kind of control system, is a kind of high electric with pulsed clarifier specifically
Press buffer-type control system.
Background technology
With the continuous progress of industrial automation and the continuous improvement of people's quality of life, people want to its living environment
Ask and also improve constantly, and air quality is an important mark of environment quality, it directly influences the healthy living of people.
Air purifier has application in house, medical treatment, industrial circle, and house field is with the domestic air purification of unit class
Device is the main product in market.Air purifier can remove the particulate matter in air, including anaphylactogen, indoor PM2.5 etc., together
When can also solve due to interior, the underground space, in-car volatile organic matter air pollution caused by finishing or other reasonses
Problem.Due to the release of the space Air Contamination thing of relative closure have persistence and it is uncertain the characteristics of, therefore using empty
It is one of method of internationally recognized improvement IAQ that gas purifier, which purifies the air of a room,.Wherein, ultraviolet lamp air
Deodorization purifier is then a kind of in numerous air deodorization clarifiers, and ultraviolet lamp air deodorization clarifier is to utilize high energy ozone UV
The oxygen molecule that ultraviolet beam is decomposed in air produces free oxygen, i.e. active oxygen, air deodorization clarifier utilizes exhaust equipment
After gas is input into this cleaning equipment, cleaning equipment easily eliminates thin in room air with high energy UV ultraviolet beam
The harmful substances such as bacterium, mould, the peculiar smell in air is removed, effectively ensure that the respiratory health of people.
However, the output voltage stability of the control system of existing ultraviolet lamp air deodorization clarifier is poor, cause purple
The ultraviolet beam of the ultraviolet lamp of outside line lamp air deodorization clarifier flashes, and causes air purifier effectively right
Oxygen molecule in air is decomposed, free oxygen caused by appearance it is ineffective, it is impossible to well eliminate room air in
The harmful substances such as bacterium, mould, and the peculiar smell in air can not be removed well, so as to can not effectively ensure that people's
Respiratory health.
Therefore it provides a kind of control system for the ultraviolet lamp air deodorization clarifier that can improve output voltage stability is just
Become the task of top priority.
The content of the invention
It is an object of the invention to the output voltage for the control system for overcoming existing ultraviolet lamp air deodorization clarifier
The defects of stability difference, there is provided one kind there is pulsed clarifier high voltage buffer-type control system.
The present invention is achieved through the following technical solutions：One kind has the high voltage buffer-type control of pulsed clarifier
System processed, mainly by transformer T, diode rectifier U1, control chip U2, S1 is switched, switchs S2, triode VT1, triode
VT2, triode VT3, triode VT4, the high-pressure buffer circuit being connected with triode VT2 colelctor electrode, positive pole and diode
The electric capacity that rectifier U1 cathode output end is connected, negative pole is grounded after being connected with diode rectifier U1 cathode output end
C1, the resistance R1 that one end is connected with electric capacity C1 positive pole, the other end is connected with electric capacity C1 negative pole, positive pole are whole with diode
Stream device U1 cathode output end is connected, the electric capacity C2 that negative pole is connected with control chip U2 ADJ pins, negative pole and triode
Electric capacity C3, the N poles that VT1 base stage is connected, positive pole is connected after resistance R2 with diode rectifier U1 cathode output end
Be connected with electric capacity C3 positive pole, the diode D1 that P poles are connected after resistance R3 with triode VT1 emitter stage, positive pole with
The electric capacity that triode VT1 emitter stage is connected, negative pole is grounded after being connected after resistance R4 with triode VT1 colelctor electrode
C4, the inductance L that one end is connected with triode VT1 emitter stage, the other end is connected with triode VT2 emitter stage, positive pole
It is connected with triode VT3 colelctor electrode, negative pole and triode VT2 emitter stage are collectively forming the electric capacity C5, P of the first output end
The diode D2 that pole is connected with electric capacity C5 positive pole, N poles are connected with triode VT2 emitter stage, positive pole and control chip
The electric capacity C7 that U2 OUTPUT pins are connected, negative pole is connected after resistance R6 with triode VT3 base stage, positive pole and three poles
Pipe VT3 emitter stage is connected, electric capacity C8, the P pole that is connected with triode VT4 colelctor electrode of negative pole ground connection after resistance R7 and
The diode D3 that control chip U2 LAMP pins are connected, N poles are connected with triode VT4 base stage, one end and triode
The resistance R9 that VT4 emitter stage is connected, the other end is connected with photoelectrical coupler IC first input ends, positive pole and photoelectric coupling
The electric capacity C10 that device IC the second output end is connected, negative pole is connected with bidirectional thyristor V control terminal, one end and electric capacity C10
Positive pole be connected, the resistance R11 that the other end is connected with the bidirectional thyristor V first anode, positive pole is after resistance R5 with three
The electric capacity C6 that pole pipe VT2 base stage is connected, negative pole is connected after resistance R8 with photoelectrical coupler IC the second input, with
And negative pole is connected after resistance R10 with the bidirectional thyristor V first anode, electric capacity C9 group of the positive pole as the 3rd output end
Into.
The first output head grounding of the photoelectrical coupler IC；The second plate of the bidirectional thyristor V is with electric capacity C6's
Positive pole is connected, its first anode is also grounded；The Same Name of Ends of the transformer T secondary inductance coils is with diode rectifier U1's
One of input is connected, its non-same polarity is connected with diode rectifier U1 another input, its primary side electricity
The Same Name of Ends and non-same polarity for feeling coil are collectively forming input；The VDD pins of the control chip U2 are whole with diode respectively
Stream device U1 cathode output end is connected with electric capacity C2 positive pole, its VSS pin ground connection；One end of the switch S1 is grounded, is another
One end is connected with control chip U2 PWR pins；One end of the switch S2 is connected with control chip U2 ADJ pins,
The other end is grounded；The grounded collector of the triode VT1；The colelctor electrode of the triode VT2 is connected with high-pressure buffer circuit
Connect.
The high-pressure buffer circuit is by FET MOS101, FET MOS102, triode VT101, polar capacitor
C101, polar capacitor C103, P pole is connected with triode VT2 colelctor electrode, N poles are connected with FET MOS101 grid
The diode D101 connect, after one end is connected with diode D101 P poles, the other end and FET MOS101 source electrode are connected
The resistance R102 of ground connection, one end is connected with polar capacitor C101 positive pole, the other end and FET MOS102 source electrode phase
The adjustable resistance R101 of connection, positive pole is connected with FET MOS102 drain electrode, negative pole and triode VT101 base stage phase
The polar capacitor C102 of connection, one end is connected with triode VT101 base stage, the other end and triode VT101 colelctor electrode
The resistance R103 being connected, and one end is connected with polar capacitor C103 negative pole, the other end and triode VT101 current collection
The resistance R104 compositions that pole is grounded after being connected；The grid of the FET MOS101 and FET MOS102 grid phase
Connection；Output end of the emitter stage of the triode VT101 as high-pressure buffer circuit.
The Same Name of Ends of the transformer T secondary inductance coils is connected with diode rectifier U1 one of input
Connect, its non-same polarity is connected with diode rectifier U1 another input, the Same Name of Ends of its primary side inductance coil and non-
Same Name of Ends is collectively forming input；The VDD pins of the control chip U2 cathode output end with diode rectifier U1 respectively
It is connected with electric capacity C2 positive pole, its VSS pin ground connection；One end ground connection of the switch S1, the other end and control chip U2
PWR pins are connected；One end of the switch S2 is connected with control chip U2 ADJ pins, other end ground connection；Three pole
Pipe VT1 grounded collector.
To ensure the practical effect of the present invention, the control chip U2 is JX2998 control chips；The transformer T
For 10KVS9 serial transformers；The switch S1 and switch S2 is the Ω of contact resistance≤0.03 PB-11D14 key switches.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) present invention can change pulse width to control to effective enough suppression in input voltage or elimination low-order harmonic
Output voltage processed, make output voltage more stable；And the dutycycle of voltage can also be adjusted by the present invention, and can accelerate PWM
Ripple governing speed, improve PWM ripple dynamic properties, make PWM ripples more stable, so as to improve the stabilization of the output voltage of the present invention
Property, it can effectively prevent that the ultraviolet beam of the ultraviolet lamp of ultraviolet lamp air deodorization clarifier from flashing, make air net
Changing device can decompose to the oxygen molecule in air well.
(2) the high-pressure buffer circuit that sets of the present invention, which can be used to improving power electronic devices and turn on and off the moment, is born
Voltage, current waveform, the high-pressure buffer circuit is big to the equiva lent impedance of device, and the voltage that device can be prevented to be born is fast
Speed rises, and exports stable voltage x current, solves the problems, such as existing control system output voltage stability difference well.
(3) present invention has stronger antijamming capability, and trigger pulse can be carried out into power amplification, so as to improve
The stability of output voltage of the present invention.
(4) control chip U2 of the invention is JX2998 control chips, and the chip is combined with peripheral circuit, can be effective
Improve the stability and reliability of the present invention.
Brief description of the drawings
Fig. 1 is the integrated circuit structural representation of the present invention.
Fig. 2 is the electrical block diagram of high-pressure buffer circuit of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment and its accompanying drawing, but embodiments of the present invention are not
It is limited to this.
As shown in figure 1, the present invention switchs S1, switch mainly by transformer T, diode rectifier U1, control chip U2
S2, triode VT1, triode VT2, triode VT3, triode VT4, photoelectrical coupler IC, bidirectional thyristor V, high-pressure buffer
Circuit, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10,
Resistance R11, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity
C10, inductance L, diode D1, diode D2, and diode D3 compositions.
During connection, high-pressure buffer circuit is connected with triode VT2 colelctor electrode.Electric capacity C1 positive pole and diode rectification
Device U1 cathode output end is connected, and negative pole is grounded after being connected with diode rectifier U1 cathode output end.Resistance R1's
One end is connected with electric capacity C1 positive pole, and the other end is connected with electric capacity C1 negative pole.Electric capacity C2 positive pole and diode rectification
Device U1 cathode output end is connected, and negative pole is connected with control chip U2 ADJ pins.Electric capacity C3 negative pole and triode
VT1 base stage is connected, and cathode output end of the positive pole with diode rectifier U1 after resistance R2 is connected.
Wherein, diode D1 N poles are connected with electric capacity C3 positive pole, transmitting of the P poles after resistance R3 with triode VT1
Pole is connected.Electric capacity C4 positive pole is connected with triode VT1 emitter stage, collection of the negative pole after resistance R4 with triode VT1
Electrode is grounded after being connected.Inductance L one end is connected with triode VT1 emitter stage, the transmitting of the other end and triode VT2
Pole is connected.Electric capacity C5 positive pole is connected with triode VT3 colelctor electrode, the common shape of emitter stage of negative pole and triode VT2
It is connected into the first output end and with blower fan M.Diode D2 P poles are connected with electric capacity C5 positive pole, N poles and triode VT2
Emitter stage be connected.
Meanwhile base stage of the electric capacity C6 positive pole with triode VT2 after resistance R5 is connected, negative pole is after resistance R7 with three
Pole pipe VT4 colelctor electrode is connected.Electric capacity C7 positive pole is connected with control chip U2 OUTPUT pins, and negative pole is through resistance R6
The base stage with triode VT3 is connected afterwards.Electric capacity C8 negative pole ground connection is connected with triode VT4 colelctor electrode.Diode D3
P poles be connected after resistance R7 with control chip U2 LAMP pins, N poles are connected with triode VT4 base stage.Resistance R9
One end be connected with triode VT4 emitter stage, the other end is connected with photoelectrical coupler IC first input ends.Electric capacity C10
Positive pole be connected with photoelectrical coupler IC the second output end, negative pole is connected with bidirectional thyristor V control terminal.
And resistance R11 one end is connected with electric capacity C10 positive pole, the first anode of the other end and bidirectional thyristor V
It is connected.Base stage of the electric capacity C6 positive pole with triode VT2 after resistance R5 is connected, negative pole after resistance R8 with photoelectric coupling
Device IC the second input is connected.The first anode of the electric capacity C9 negative pole with bidirectional thyristor V after resistance R10 is connected,
Positive pole is as the 3rd output end.
The first output head grounding of the photoelectrical coupler IC；The second plate of the bidirectional thyristor V is with electric capacity C6's
Positive pole is connected, its first anode is also grounded；The Same Name of Ends of the transformer T secondary inductance coils is with diode rectifier U1's
One of input is connected, and its non-same polarity is connected with diode rectifier U1 another input, its primary side electricity
The Same Name of Ends and non-same polarity for feeling coil are collectively forming input and are connected with civil power；The VDD pins of the control chip U2
It is connected respectively with diode rectifier U1 cathode output end and electric capacity C2 positive pole, its VSS pin ground connection；The switch S1
One end ground connection, the other end is connected with control chip U2 PWR pins；One end of the switch S2 is with control chip U2's
ADJ pins are connected, other end ground connection；The grounded collector of the triode VT1；Second output end and ultraviolet lamp
ZWD one of power input is connected, its 3rd output end then another power input phase with ultraviolet lamp ZWD
Connection.The colelctor electrode of the triode VT2 is connected with high-pressure buffer circuit.
As described in Figure 2, the high-pressure buffer circuit is by FET MOS101, FET MOS102, triode
VT101, polar capacitor C101, polar capacitor C102, polar capacitor C103, adjustable resistance R101, resistance R102, resistance R103,
Resistance R104, and diode D101 compositions.
During connection, diode D101 P poles are connected with triode VT2 colelctor electrode, and N poles are with FET MOS101's
Grid is connected.Resistance R102 one end is connected with diode D101 P poles, the source electrode of the other end and FET MOS101
It is grounded after connection.Adjustable resistance R101 one end is connected with polar capacitor C101 positive pole, the other end and FET
MOS102 source electrode is connected.Polar capacitor C102 positive pole is connected with FET MOS102 drain electrode, negative pole and three poles
Pipe VT101 base stage is connected.
Wherein, resistance R103 one end is connected with triode VT101 base stage, the collection of the other end and triode VT101
Electrode is connected.Resistance R104 one end is connected with polar capacitor C103 negative pole, the current collection of the other end and triode VT101
Pole is grounded after being connected.The grid of the FET MOS101 is connected with FET MOS102 grid；Three pole
Pipe VT101 emitter stage is connected as the output end of high-pressure buffer circuit with ultraviolet lamp ZWD, is provided for ultraviolet lamp ZWD
Voltage and current.
During the high-pressure buffer circuit operation, when the electric current of triode VT2 outputs is high, diode D101 conductings, simultaneously
Electric current rise on polar capacitor C101, adjustable resistance R101 because overcurrent is too high and its resistance becomes big, FET MOS101
The protector conducting formed with FET MOS102 starts to shunt, and the electric current after shunting exports low electricity after polar capacitor C102
Stream, the triode pressure-stabilizing constant flow device that the low circuit is formed through triode VT101 and polar capacitor C103 and resistance R104 export,
As ultraviolet lamp ZWD provides stable positive electrode, effectively ensure that the stability of ultraviolet lamp ZWD work.
During operation, transformer T of the invention carries out decompression processing to the civil power of input, and the alternating voltage after the processing passes through
Diode rectifier U1, low alternating voltages of the diode rectifier U1 to reception are transferred to after transformer T secondary inductance coil
12V DC voltage is converted to after carrying out rectification.The 12V DC voltage is input into the filtering formed by electric capacity C1 and resistance R1
Device, the wave filter are eliminated or suppressed to the low-order harmonic in DC voltage, make DC voltage cleaner, more steady, filtering
DC voltage after processing is transferred to control chip U2 by device, is off-state when switching S1 and switch S2, control chip U2's
FAN pin and LAMP pin output low level, blower fan M and ultraviolet lamp ZWD do not work.
After SW1 keys are pressed, FAN pin output 100%PWM ripples, the PWM ripples of FAN pin output are through triode VT1, electric capacity
C3, electric capacity C4, diode D1 and inductance L-shaped into pulse width regulating circuit be transmitted, the pulse width regulating circuit can change PWM ripples
Speed, improve PWM ripple dynamic properties, make PWM ripples more stable, and the high driving current of control chip U2 OUTPUT pins output
The current detection circuit then formed through electric capacity C5, electric capacity C7, resistance R6 and triode VT3 effectively reduces the leakage of output current
Electric current and loss current, and the unusual fluctuations of output current can be suppressed, output current is kept stable, this is through current detection circuit
Positive pole transmission fan M driving stage of the drive circuit through electric capacity C5 after processing, the voltage after pulse width regulating circuit processing then pass through
Fan M fortune pole is transmitted after inductance L, now blower fan M is operated in as maximum quantity of wind state, while control chip U2 LAMP pin
The pulsed triggering circuit that electronic component of the voltage pulse output through photoelectrical coupler IC and bidirectional thyristor V and outside is formed,
The pulsed triggering circuit has stronger antijamming capability, and the trigger pulse of pulse voltage carries out power amplification, and will
High voltage after processing is powered after voltage-regulator diode D2 for ultraviolet lamp ZWD, ultraviolet lamp ZWD terminals ground connection,
End ultraviolet lamp ZWD obtain it is electric after be lit, ultraviolet lamp ZWD transmission high energy ozone UV ultraviolet beams to the oxygen in air
Son, which decompose, produces free oxygen, i.e. gas is input to this purification by active oxygen, air deodorization clarifier using exhaust equipment
After equipment, cleaning equipment uses high energy UV ultraviolet beam easily to eliminate the harmful substances such as the bacterium in room air, mould, goes
Except the peculiar smell in air, the respiratory health of you and household are ensured.
Wherein, the resistance R8 in pulsed triggering circuit is triggering current-limiting resistance, and resistance R11 is bidirectional thyristor V gate pole
Resistance, false triggering is prevented, improve antijamming capability.Triode VT4 is led during control chip U2 LAMP pin output negative pulse voltage
It is logical, photoelectrical coupler IC conductings, bidirectional thyristor V conductings, connect DC load.When load current is zero, supply voltage is
Backward voltage, acted on plus inductive load self induction electromotive force el so that the magnitude of voltage that bidirectional thyristor V is born is considerably beyond power supply
Voltage.Although bidirectional triode thyristor reverse-conducting, to prevent bidirectional thyristor V breakdown, then bidirectional thyristor V control terminal with
In parallel resistance R11, resistance R11 and resistance R10 and electric capacity C9 are realized two-way as resistance capaciting absorpting circuit between the first anode
Controllable silicon overvoltage protection, the reliability of the present invention is effectively raised, so as to effectively increase the output voltage of the present invention
Stability.
Meanwhile air quality in ultraviolet lamp air deodorization clarifier working range it is in shape when, then by SW1
Key, then return to the first step.SW2 keys are air quantity adjusting keys, and SW2 keys are pressed under blower fan M working conditions, and the PWM ripples of FAN pin output exist
Change between 100% and 50%, air quantity switches between height therewith, and control chip U2 LAMP pin reduce output electricity
It is flat, ultraviolet lamp ZWD ozone UV ultraviolet beam weakeneds, so as to which ultraviolet lamp air deodorization clarifier reduces output work
Rate, that is, the consumption to electric energy is reduced, therefore, the present invention also achieves the effect of energy-conservation.
To ensure the practical effect of the present invention, the control chip U2 is the CMOS designed using 0.8 micron process
The JX2998 control chips of air deodorization purification；The transformer T is 10KVS9 serial transformers, and transformer T high pressure is divided
Scope is connect as ± 2 × 2.5%；The switch S1 and switch S2 is the Ω of contact resistance≤0.03 PB-11D14 key switches.
According to above-described embodiment, you can realize the present invention well.
Claims (5)
1. one kind has pulsed clarifier high voltage buffer-type control system, it is characterised in that mainly by transformer
T, diode rectifier U1, control chip U2, S1 is switched, switch S2, triode VT1, triode VT2, triode VT3, three poles
Pipe VT4, the high-pressure buffer circuit being connected with triode VT2 colelctor electrode, the positive pole of positive pole and diode rectifier U1 export
End is connected, the electric capacity C1 that negative pole is grounded after being connected with diode rectifier U1 cathode output end, and one end is with electric capacity C1's
The resistance R1 that positive pole is connected, the other end is connected with electric capacity C1 negative pole, the positive pole of positive pole and diode rectifier U1 export
End is connected, the electric capacity C2 that negative pole is connected with control chip U2 ADJ pins, negative pole is connected with triode VT1 base stage,
Electric capacity C3, the N pole and electric capacity C3 positive pole phase that positive pole is connected after resistance R2 with diode rectifier U1 cathode output end
The diode D1 that connection, P poles are connected after resistance R3 with triode VT1 emitter stage, the emitter stage of positive pole and triode VT1
It is connected, the electric capacity C4 that negative pole is grounded after being connected after resistance R4 with triode VT1 colelctor electrode, one end and triode VT1
Emitter stage be connected, the inductance L that the other end is connected with triode VT2 emitter stage, positive pole and triode VT3 colelctor electrode
It is connected, negative pole and triode VT2 emitter stage are collectively forming electric capacity C5, P pole and the electric capacity C5 positive pole phase of the first output end
The diode D2 that connection, N poles are connected with triode VT2 emitter stage, positive pole are connected with control chip U2 OUTPUT pins
Connect, the electric capacity C7 that negative pole is connected after resistance R6 with triode VT3 base stage, positive pole is connected with triode VT3 emitter stage
Connect, negative pole is grounded LAMP of electric capacity C8, the P pole being connected with triode VT4 colelctor electrode after resistance R7 with control chip U2
The diode D3 that pin is connected, N poles are connected with triode VT4 base stage, one end are connected with triode VT4 emitter stage
Connect, the resistance R9 that the other end is connected with photoelectrical coupler IC first input ends, the second output of positive pole and photoelectrical coupler IC
End is connected, the electric capacity C10 that negative pole is connected with bidirectional thyristor V control terminal, one end is connected with electric capacity C10 positive pole,
The resistance R11 that the other end is connected with the bidirectional thyristor V first anode, base stage of the positive pole after resistance R5 with triode VT2
It is connected, the electric capacity C6 that negative pole is connected after resistance R8 with photoelectrical coupler IC the second input, and negative pole is through resistance
It is connected after R10 with the bidirectional thyristor V first anode, positive pole forms as the electric capacity C9 of the 3rd output end；
The first output head grounding of the photoelectrical coupler IC；The second plate of the bidirectional thyristor V and electric capacity C6 positive pole
It is connected, its first anode is also grounded；The Same Name of Ends and diode rectifier U1 of the transformer T secondary inductance coils are wherein
One input is connected, its non-same polarity is connected with diode rectifier U1 another input, its primary side inductor wire
The Same Name of Ends and non-same polarity of circle are collectively forming input；The VDD pins of the control chip U2 respectively with diode rectifier
U1 cathode output end is connected with electric capacity C2 positive pole, its VSS pin ground connection；One end ground connection of the switch S1, the other end
It is connected with control chip U2 PWR pins；One end of the switch S2 is connected with control chip U2 ADJ pins, is another
End ground connection；The grounded collector of the triode VT1；The colelctor electrode of the triode VT2 is connected with high-pressure buffer circuit.
2. one kind according to claim 1 has pulsed clarifier high voltage buffer-type control system, it is special
Sign is that the high-pressure buffer circuit is by FET MOS101, FET MOS102, triode VT101, polar capacitor
C101, polar capacitor C103, P pole is connected with triode VT2 colelctor electrode, N poles are connected with FET MOS101 grid
The diode D101 connect, after one end is connected with diode D101 P poles, the other end and FET MOS101 source electrode are connected
The resistance R102 of ground connection, one end is connected with polar capacitor C101 positive pole, the other end and FET MOS102 source electrode phase
The adjustable resistance R101 of connection, positive pole is connected with FET MOS102 drain electrode, negative pole and triode VT101 base stage phase
The polar capacitor C102 of connection, one end is connected with triode VT101 base stage, the other end and triode VT101 colelctor electrode
The resistance R103 being connected, and one end is connected with polar capacitor C103 negative pole, the other end and triode VT101 current collection
The resistance R104 compositions that pole is grounded after being connected；The grid of the FET MOS101 and FET MOS102 grid phase
Connection；Output end of the emitter stage of the triode VT101 as high-pressure buffer circuit.
3. one kind according to claim 2 has pulsed clarifier high voltage buffer-type control system, it is special
Sign is that the control chip U2 is JX2998 control chips.
4. one kind according to claim 3 has pulsed clarifier high voltage buffer-type control system, it is special
Sign is that the transformer T is 10KVS9 serial transformers.
5. one kind according to claim 4 has pulsed clarifier high voltage buffer-type control system, it is special
Sign is, the switch S1 and switch S2 are the Ω of contact resistance≤0.03 PB-11D14 key switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992746.9A CN107656478A (en) | 2017-10-23 | 2017-10-23 | One kind has pulsed clarifier high voltage buffer-type control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992746.9A CN107656478A (en) | 2017-10-23 | 2017-10-23 | One kind has pulsed clarifier high voltage buffer-type control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107656478A true CN107656478A (en) | 2018-02-02 |
Family
ID=61119294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710992746.9A Pending CN107656478A (en) | 2017-10-23 | 2017-10-23 | One kind has pulsed clarifier high voltage buffer-type control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107656478A (en) |
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2017
- 2017-10-23 CN CN201710992746.9A patent/CN107656478A/en active Pending
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