CN106059344A - Power supply for multi-circuit processing type carbon baking furnace flue temperature monitoring system - Google Patents
Power supply for multi-circuit processing type carbon baking furnace flue temperature monitoring system Download PDFInfo
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- CN106059344A CN106059344A CN201610621313.8A CN201610621313A CN106059344A CN 106059344 A CN106059344 A CN 106059344A CN 201610621313 A CN201610621313 A CN 201610621313A CN 106059344 A CN106059344 A CN 106059344A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—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
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0038—Circuits or arrangements for suppressing, e.g. by masking incorrect turn-on or turn-off signals, e.g. due to current spikes in current mode control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a power supply for a multi-circuit processing type carbon baking furnace flue temperature monitoring system. The power supply is mainly formed by a control chip U2, a diode rectifier U1, a transformer T, a FET MOS1, a thermistor RT, a zener diode D3, a polarity capacitor C1, a polarity capacitor C11, a ripple peak suppression circuit, a base triggering circuit, a gate triggering circuit, a gate driving circuit, and a voltage controlled oscillation circuit which is connected in series between the dotted terminal of a transformer T secondary side inductance coil and the gate driving circuit. According to the power supply, the fluctuation of input voltage generated by an ambient temperature, a circuit parameter and electromagnetic interference, thus the input voltage is kept to be constant, the trigger pulse can be subjected to power amplification, and the power supply can output stable 12V voltage.
Description
Technical field
The present invention relates to calcining carbon field, specifically refer to a kind of many processing of circuit formula carbon roasting furnace flue temperature monitoring
System power supply.
Background technology
The raw material that charcoal ink factory uses is mainly petroleum coke and Colophonium, and at high operating temperatures, calcination department is for becoming vibration
The raw baking carbon blocks of type becomes qualified ripe carbon block.Raw carbon block temperature in roasting process is 200-1200 DEG C, and this process will release
Substantial amounts of baking flue gas, baking furnace fume is mainly composed of glance coal, tar and various combustible dust, and flue gas exit temperature
Up to 900 DEG C.At any time the flue-gas temperature in flue must be monitored in process of production, must be in time when temperature is too high
Discharge flue, otherwise easily cause burning because of overheated, even set off an explosion.The calcining kiln flue of the most a lot of charcoal ink factories is all joined
Having the temperature monitoring system being monitored flue gas, the running voltage of this temperature monitoring system is typically set at 12V, to guarantee
The stability of temperature monitoring system work.
But, the power supply of existing temperature monitoring system, because being subject to the electromagnetic wave in the external world and disturbing of temperature, causes power supply electricity
Extrude existing fluctuation, thus stable running voltage can not be provided for temperature monitoring system, cause the work of temperature monitoring system not
Stable, cause temperature monitoring system can not the flue-gas temperature in flue well be monitored.
Therefore it provides the carbon roasting furnace flue temperature monitoring system power supply of a kind of output voltage stabilization is when business
Anxious.
Summary of the invention
It is an object of the invention to the power supply overcoming existing carbon roasting furnace flue temperature monitoring system because of by the external world
Electromagnetic wave and the interference of temperature and there is the defect that output voltage is unstable, it is provided that a kind of many processing of circuit formula carbon roasting furnace cigarette
Channel temp monitoring system power supply.
The purpose of the present invention realizes by following technical scheme: a kind of many processing of circuit formula carbon roasting furnace flue temperature monitoring
System power supply, mainly by control chip U2, diode rectifier U1, transformator T, field effect transistor MOS1, it is serially connected in diode
Ripple peak restrained circuit between cathode output end and the source electrode of field effect transistor MOS1 of commutator U1, one end is whole with diode
The cathode output end of stream device U1 is connected, critesistor RT, the P pole of other end ground connection after resistance R10 with field effect transistor MOS1
The Zener diode D3 that grid is connected, N pole is connected with the HV pin of control chip U2, positive pole and diode rectifier U1
Cathode output end be connected, negative pole be connected with the cathode output end of diode rectifier U1 after the polar capacitor C1 of ground connection,
One end is connected with the drain electrode of field effect transistor MOS1, the non-same polarity of other end limit former with transformator T inductance coil is connected
Inductance L1, negative pole is connected with the CS pin of control chip U2, positive pole CBC pin with control chip U2 after resistance R9 is connected
The polar capacitor C6 connect, positive pole is connected with the Same Name of Ends of transformator T secondary inductance coil, negative pole and transformator T secondary inductance
The polar capacitor C11 that the Same Name of Ends of coil is connected, one end is connected with the positive pole of polar capacitor C11, the other end is electric with polarity
Hold the resistance R11 that is connected of negative pole of C11, be connected with the VDD pin of control chip U2 and VS pin and CBC pin respectively
Base stage trigger circuit, the gate driver circuit being connected with DRV pin and the CS pin of control chip U2 respectively, and concatenation
Voltage-Controlled oscillation circuit composition between Same Name of Ends and the gate driver circuit of transformator T secondary inductance coil；Described diode
The cathode output end of commutator U1 also has the VDD pin of control chip U2 to be connected；The GND pin of described control chip U2 connects
Ground；The input of described diode rectifier U1 is connected with civil power.
Described Voltage-Controlled oscillation circuit is by amplifier P, field effect transistor MOS4, and audion VT9, with amplification after positive electrode resistance R30
The polar capacitor C17 that the positive pole of device P is connected, negative pole is connected with gate driver circuit, negative pole is sequentially through resistance R35 and inductance
The polar capacitor that after L3, the outfan with amplifier P is connected, positive pole positive pole with amplifier P after resistance R34 is connected
C18, N pole diode that negative pole is connected, P pole is connected with the drain electrode of field effect transistor MOS4 with amplifier P after resistance R31
D12, after positive electrode resistance R32 the drain electrode with field effect transistor MOS4 be connected, polar capacitor C16, the P pole of minus earth and audion
The diode D13 that the base stage of VT9 is connected, N pole outfan with amplifier P after adjustable resistance R37 is connected, positive pole is through electricity
Be connected with the outfan of amplifier P after resistance R36, after polar capacitor C19, P electrode resistance R33 of minus earth with field effect transistor
The diode D14 that the grid of MOS4 is connected, N pole negative pole with polar capacitor C19 after resistance R38 is connected, and one end
Be connected with the outfan of amplifier P, the resistance R39 of other end ground connection forms；The N pole of described diode D12 also with field effect
The source electrode of pipe MOS4 is connected；The emitter stage of described audion VT9 is connected with the negative pole of amplifier P, its grounded collector；Institute
The positive pole stating polar capacitor C19 is also connected with the N pole of diode D13；The outfan of described amplifier P is also former with transformator T
The Same Name of Ends of limit inductance coil is connected.
Further, described ripple peak restrained circuit is by field effect transistor MOS3, audion VT6, audion VT7, three poles
Pipe VT8, negative pole is connected with the colelctor electrode of audion VT6, positive pole is connected with the cathode output end of diode rectifier U1
Polar capacitor C12, positive pole positive pole with polar capacitor C12 after resistance R22 is connected, the polar capacitor C13, N of minus earth
Pole base stage with audion VT6 after resistance R23 is connected, P pole positive pole with polar capacitor C12 after resistance R21 is connected
The diode that diode D8, N pole is connected with the grid of field effect transistor MOS3, P pole is connected with the colelctor electrode of audion VT6
D9, after one end is connected with the colelctor electrode of audion VT6, the other end is connected with the drain electrode of field effect transistor MOS3, ground connection is adjustable
Resistance R26, N pole is connected with the emitter stage of audion VT7, P pole emitter stage with audion VT6 after resistance R25 is connected
Diode D10, one end is connected with the emitter stage of audion VT7, the resistance R27 of other end ground connection, negative pole and diode D10
The polar capacitor C14 that P pole is connected, positive pole is connected with the N pole of diode D8 after resistance R24, positive pole is through adjustable resistance
After R28 the base stage with audion VT7 be connected, the polar capacitor C15 of minus earth, and the colelctor electrode of P pole and audion VT8
Be connected, Zener diode D11 composition that N pole positive pole with polar capacitor C15 after resistance R29 is connected；Described audion
The base stage of VT8 is connected with the colelctor electrode of audion VT7, its emitter stage is connected with the positive pole of polar capacitor C14；Described voltage stabilizing
The N pole of diode D11 also with field effect transistor MOS1 and be connected.
Described base stage triggers circuit by audion VT1, audion VT2, audion VT3, positive pole after resistance R3 with control
Polar capacitor C2, the N pole that the VDD pin of chip U2 is connected, negative pole is connected with the colelctor electrode of audion VT2 is after resistance R2
Be connected with the positive pole of polar capacitor C2, diode D1 that P pole is connected with the colelctor electrode of audion VT1, negative pole is through resistance R1
Be connected with the N pole of diode D1 afterwards, polar capacitor C3 that positive pole emitter stage with audion VT1 after resistance R6 is connected,
Adjustable resistance R4, the P pole that one end is connected with the base stage of audion VT1, the other end is connected with the colelctor electrode of audion VT2 with
The diode D2 that the VS pin of control chip U2 is connected, N pole colelctor electrode with audion VT2 after resistance R5 is connected, just
Pole polar capacitor that CBC pin is connected, negative pole is connected with the base stage of audion VT2 with control chip U2 after resistance R7
C4, and positive pole emitter stage with audion VT2 after resistance R8 is connected, negative pole is connected with the base stage of audion VT3
Polar capacitor C5 forms；The emitter stage of described audion VT3 is connected with the positive pole of polar capacitor C3, its grounded collector.
Described gate driver circuit is by field effect transistor MOS2, and audion VT4, with control after audion VT5, P electrode resistance R18
Diode D5, the P pole and three that the CS pin of chip U2 is connected, N pole base stage with audion VT5 after resistance R19 is connected
The diode D7 that the base stage of pole pipe VT4 is connected, N pole is connected with the emitter stage of audion VT5, positive pole after resistance R20 with
The polar capacitor C7 of ground connection after the base stage of audion VT4 is connected, negative pole is connected with the colelctor electrode of audion VT4, negative pole with
The polar capacitor that the grid of field effect transistor MOS2 is connected, positive pole is connected with the DRV pin of control chip U2 after inductance L2
C9, the polarity electricity of ground connection after positive pole is connected with the positive pole of polar capacitor C9, negative pole is connected with the CS pin of control chip U2
Hold the drain electrode with field effect transistor MOS2 after resistance R12 of C8, N pole be connected, P pole after resistance R14 with polar capacitor C9 just
The diode D4 that pole is connected, one end is connected with the drain electrode of field effect transistor MOS2, the positive pole phase of the other end and polar capacitor C9
The adjustable resistance R15 connected, positive pole drain electrode with field effect transistor MOS2 after resistance R13 is connected, negative pole after resistance R17 with
The polar capacitor C10 that the colelctor electrode of audion VT5 is connected, and P pole after resistance R16 with the drain electrode phase of field effect transistor MOS2
The diode D6 composition that connection, N pole are connected with the base stage of audion VT；The drain electrode of described field effect transistor MOS2 is also electric with polarity
The negative pole of appearance C17 is connected, its source electrode is connected with the emitter stage of audion VT4；The base stage of described audion VT5 also with three poles
The base stage of pipe VT4 is connected, its grounded collector.
For the practical effect of the present invention, described control chip U2 the most preferentially have employed the integrated chip of UCC28730
Realize.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) fluctuation that input voltage is produced by the present invention because of ambient temperature and circuit parameter and electromagnetic interference presses down
System, makes input voltage keep constant；And the present invention can also carry out power amplification by triggering pulse, it is ensured that the present invention can export
Stable 12V voltage, thus effectively raise the accuracy that the flue-gas temperature in flue is monitored by temperature monitoring system.
(2) current waveform of output can be adjusted by the present invention, makes the intensity enhancing of output electric current, improves the present invention
The stability of output, so that it is guaranteed that carried out the stability of output voltage of the present invention, and improve the load of the present invention
Ability.
(3) harmonic wave in input voltage can be eliminated or suppress by the present invention, and can flow to wave energising pressure and wave energising
Row suppression, thus improve the stability of output voltage of the present invention.
(4) the control chip U2 of the present invention preferentially have employed the integrated chip of UCC28730 and realizes, this chip and periphery electricity
Road combines, and can effectively improve stability and the reliability of output voltage of the present invention.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of the ripple peak restrained circuit of the present invention.
Fig. 3 is the electrical block diagram of the Voltage-Controlled oscillation circuit of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As it is shown in figure 1, the present invention is mainly by control chip U2, diode rectifier U1, transformator T, field effect transistor MOS1,
Critesistor RT, resistance R9, resistance R10, resistance R11, polar capacitor C1, polar capacitor C6, polar capacitor C11, inductance L1, two
Pole pipe D3, Voltage-Controlled oscillation circuit, ripple peak restrained circuit, base stage triggers circuit, and gate driver circuit composition.
During connection, ripple peak restrained circuit is serially connected in cathode output end and field effect transistor MOS1 of diode rectifier U1
Source electrode between.One end of critesistor RT is connected with the cathode output end of diode rectifier U1, other end ground connection.Voltage stabilizing
The P pole of diode D3 grid with field effect transistor MOS1 after resistance R10 is connected, the HV pin phase of N pole and control chip U2
Connect.The positive pole of polar capacitor C1 is connected with the cathode output end of diode rectifier U1, negative pole and diode rectifier U1
Cathode output end be connected after ground connection.One end of inductance L1 is connected with the drain electrode of field effect transistor MOS1, the other end and transformation
The non-same polarity of device T former limit inductance coil is connected.The negative pole of polar capacitor C6 is connected, just with the CS pin of control chip U2
Pole CBC pin with control chip U2 after resistance R9 is connected.
Wherein, the positive pole of polar capacitor C11 is connected with the Same Name of Ends of transformator T secondary inductance coil, negative pole and transformation
The Same Name of Ends of device T secondary inductance coil is connected.One end of resistance R11 is connected with the positive pole of polar capacitor C11, the other end with
The negative pole of polar capacitor C11 is connected.Base stage trigger circuit respectively with the VDD pin of control chip U2 and VS pin and CBC
Pin is connected.Gate driver circuit is connected with DRV pin and the CS pin of control chip U2 respectively.Voltage-Controlled oscillation circuit string
It is connected between Same Name of Ends and the gate driver circuit of transformator T secondary inductance coil.The negative pole of described diode rectifier U1 is defeated
Going out end also has the VDD pin of control chip U2 to be connected；The GND pin ground connection of described control chip U2.
During enforcement, the input of described diode rectifier U1 is connected with civil power.And described transformator T secondary inductance line
The Same Name of Ends of circle is collectively forming the outfan of the present invention and is connected with temperature monitoring system with non-same polarity.In order to the present invention's
Practical effect, described control chip U2 the most preferentially have employed the integrated chip of UCC28730 and realizes.
Further, described base stage triggers circuit by audion VT1, audion VT2, audion VT3, resistance R1, resistance
R2, resistance R3, adjustable resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, polar capacitor C2, polar capacitor C3, polarity electricity
Hold C4, polar capacitor C5, diode D1, and diode D2 composition.
During connection, the positive pole of polar capacitor C2 VDD pin with control chip U2 after resistance R3 is connected, negative pole and three
The colelctor electrode of pole pipe VT2 is connected.The N pole of diode D1 positive pole with polar capacitor C2 after resistance R2 is connected, P pole and three
The colelctor electrode of pole pipe VT1 is connected.The negative pole of polar capacitor C3 N pole with diode D1 after resistance R1 is connected, positive pole warp
After resistance R6, the emitter stage with audion VT1 is connected.
Wherein, one end of adjustable resistance R4 is connected with the base stage of audion VT1, the other end and the current collection of audion VT2
Pole is connected.The P pole of diode D2 is connected with the VS pin of control chip U2, N pole after resistance R5 with the collection of audion VT2
Electrode is connected.
Meanwhile, the positive pole of polar capacitor C4 CBC pin with control chip U2 after resistance R7 is connected, negative pole and three poles
The base stage of pipe VT2 is connected.The positive pole of polar capacitor C5 emitter stage with audion VT2 after resistance R8 is connected, negative pole with
The base stage of audion VT3 is connected.The emitter stage of described audion VT3 is connected with the positive pole of polar capacitor C3, its colelctor electrode
Ground connection.
Further, described gate driver circuit is by field effect transistor MOS2, audion VT4, audion VT5, resistance
R12, resistance R13, resistance R14, adjustable resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, polarity
Electric capacity C7, polar capacitor C8, polar capacitor C9, polar capacitor C10, diode D4, diode D6, diode D7, diode D8,
And inductance L2 composition.
During connection, after P electrode resistance R18 of diode D5, the CS pin with control chip U2 is connected, and N pole is through resistance R19
Base stage with audion VT5 is connected afterwards.The P pole of diode D7 is connected with the base stage of audion VT4, N pole and audion VT5
Emitter stage be connected.The positive pole of polar capacitor C7 base stage with audion VT4 after resistance R20 is connected, negative pole and three poles
The colelctor electrode of pipe VT4 be connected after ground connection.
Wherein, the negative pole of polar capacitor C9 is connected with the grid of field effect transistor MOS2, positive pole after inductance L2 with control
The DRV pin of chip U2 is connected.The positive pole of polar capacitor C8 is connected with the positive pole of polar capacitor C9, negative pole and control chip
The CS pin of U2 be connected after ground connection.The drain electrode with field effect transistor MOS2 after resistance R12 of the N pole of diode D4 is connected, P pole
After resistance R14, the positive pole with polar capacitor C9 is connected.
Meanwhile, one end of adjustable resistance R15 is connected with the drain electrode of field effect transistor MOS2, and the other end is with polar capacitor C9's
Positive pole is connected.The drain electrode with field effect transistor MOS2 after resistance R13 of the positive pole of polar capacitor C10 is connected, and negative pole is through resistance
After R17, the colelctor electrode with audion VT5 is connected.The P pole of diode D6 after resistance R16 with the drain electrode phase of field effect transistor MOS2
Connecting, N pole is connected with the base stage of audion VT.
The drain electrode of described field effect transistor MOS2 also negative pole with polar capacitor C17 is connected, and its source electrode is with audion VT4's
Emitter stage is connected；The base stage of described audion VT5 also base stage with audion VT4 is connected, its grounded collector.
As in figure 2 it is shown, described ripple peak restrained circuit is by field effect transistor MOS3, audion VT6, audion VT7, three poles
Pipe VT8, resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, adjustable resistance R26, resistance R27, adjustable resistance
R28, resistance R29, polar capacitor C12, polar capacitor C13, polar capacitor C14, polar capacitor C15, diode D8, diode
D9, diode D10, and Zener diode D11 form.
During connection, the negative pole of polar capacitor C12 is connected with the colelctor electrode of audion VT6, positive pole and diode rectifier
The cathode output end of U1 is connected.The positive pole of polar capacitor C13 positive pole with polar capacitor C12 after resistance R22 is connected, negative
Pole ground connection.The N pole of diode D8 base stage with audion VT6 after resistance R23 is connected, P pole after resistance R21 with polarity electricity
The positive pole holding C12 is connected.
Wherein, the N pole of diode D9 is connected with the grid of field effect transistor MOS3, the colelctor electrode phase of P pole and audion VT6
Connect.One end of adjustable resistance R26 is connected with the colelctor electrode of audion VT6, the drain electrode phase of the other end and field effect transistor MOS3
Ground connection after connection.The N pole of diode D10 is connected with the emitter stage of audion VT7, P pole after resistance R25 with audion VT6
Emitter stage be connected.One end of resistance R27 is connected with the emitter stage of audion VT7, other end ground connection.
Meanwhile, the negative pole of polar capacitor C14 is connected with the P pole of diode D10, positive pole after resistance R24 with diode
The N pole of D8 is connected.The positive pole of polar capacitor C15 base stage with audion VT7 after adjustable resistance R28 is connected, and negative pole connects
Ground.The P pole of Zener diode D11 is connected with the colelctor electrode of audion VT8, N pole after resistance R29 with polar capacitor C15's
Positive pole is connected.
The base stage of described audion VT8 is connected with the colelctor electrode of audion VT7, and its emitter stage is with polar capacitor C14's
Positive pole is connected；The N pole of described Zener diode D11 also with field effect transistor MOS1 and be connected.
As it is shown on figure 3, described Voltage-Controlled oscillation circuit is by amplifier P, field effect transistor MOS4, audion VT9, resistance R30, electricity
Resistance R31, resistance R32, resistance R33, resistance R34, resistance R35, resistance R36, adjustable resistance R37, resistance R38, resistance R39, pole
Property electric capacity C16, polar capacitor C17, polar capacitor C18, polar capacitor C19, diode D12, diode D13, diode D14,
And inductance L3 composition.
During connection, after positive electrode resistance R30 of polar capacitor C17, the positive pole with amplifier P is connected, negative pole and raster data model
Circuit is connected.The negative pole of polar capacitor C18 is sequentially connected, just through resistance R35 outfan with amplifier P after inductance L3
Pole positive pole with amplifier P after resistance R34 is connected.The N pole of diode D12 after resistance R31 with the negative pole phase of amplifier P
Connecting, P pole is connected with the drain electrode of field effect transistor MOS4.With field effect transistor MOS4 after positive electrode resistance R32 of polar capacitor C16
Drain electrode is connected, minus earth.
Wherein, the P pole of diode D13 is connected with the base stage of audion VT9, N pole after adjustable resistance R37 with amplifier
The outfan of P is connected.The positive pole of polar capacitor C19 outfan with amplifier P after resistance R36 is connected, minus earth.
Be connected with the grid of field effect transistor MOS4 after P electrode resistance R33 of diode D14, N pole after resistance R38 with polar capacitor C19
Negative pole be connected.One end of resistance R39 is connected with the outfan of amplifier P, other end ground connection.
The N pole of described diode D12 is also connected with the source electrode of field effect transistor MOS4；The emitter stage of described audion VT9
It is connected with the negative pole of amplifier P, its grounded collector；The positive pole of described polar capacitor C19 also with the N pole phase of diode D13
Connect；The Same Name of Ends of the outfan of described amplifier P also former with transformator T limit inductance coil is connected.
During operation, the fluctuation that input voltage is produced by the present invention because of ambient temperature and circuit parameter and electromagnetic interference is entered
Row suppression, makes input voltage keep constant；And the present invention can also carry out power amplification by triggering pulse, it is ensured that energy of the present invention
Export stable 12V voltage, thus effectively raise the standard that the flue-gas temperature in flue is monitored by temperature monitoring system
Really property.Meanwhile, the current waveform of output can be adjusted by the present invention, makes the intensity enhancing of output electric current, improves the present invention
The stability of output, so that it is guaranteed that carried out the stability of output voltage of the present invention, and improve the load of the present invention
Ability.
Meanwhile, harmonic wave in input voltage can be eliminated or suppress by the present invention, and can be to wave energising pressure and wave galvanization
Suppress, thus improve the stability of output voltage of the present invention.The control chip U2 of the present invention preferentially have employed
The integrated chip of UCC28730 realizes, and this chip combines with peripheral circuit, can effectively improve the steady of output voltage of the present invention
Qualitative and reliability.
As it has been described above, just can well realize the present invention.
Claims (6)
1. the formula carbon roasting furnace flue temperature monitoring system power supply of processing of circuit more than, mainly by control chip U2, two poles
Pipe commutator U1, transformator T, field effect transistor MOS1, it is serially connected in cathode output end and the field effect transistor of diode rectifier U1
Ripple peak restrained circuit between the source electrode of MOS1, one end is connected with the cathode output end of diode rectifier U1, another
Critesistor RT, P pole grid with field effect transistor MOS1 after resistance R10 of end ground connection is connected, N pole is with control chip U2's
The Zener diode D3 that HV pin is connected, positive pole is connected with the cathode output end of diode rectifier U1, negative pole and two poles
The cathode output end of pipe commutator U1 be connected after the polar capacitor C1 of ground connection, one end is connected with the drain electrode of field effect transistor MOS1
Connect, inductance L1 that the non-same polarity of other end limit former with transformator T inductance coil is connected, the CS pipe of negative pole and control chip U2
The polar capacitor C6 that foot is connected, positive pole is connected with the CBC pin of control chip U2 after resistance R9, positive pole and transformator T
The polar capacitor that the Same Name of Ends of secondary inductance coil is connected, negative pole is connected with the Same Name of Ends of transformator T secondary inductance coil
C11, the resistance R11 that one end is connected with the positive pole of polar capacitor C11, the other end is connected with the negative pole of polar capacitor C11, point
The base stage triggering circuit not being connected with the VDD pin of control chip U2 and VS pin and CBC pin, respectively with control chip
The gate driver circuit that the DRV pin of U2 is connected with CS pin, and it is serially connected in the Same Name of Ends of transformator T secondary inductance coil
And the Voltage-Controlled oscillation circuit composition between gate driver circuit；The cathode output end of described diode rectifier U1 also controls core
The VDD pin of sheet U2 is connected；The GND pin ground connection of described control chip U2；The input of described diode rectifier U1 with
Civil power is connected.
One many processing of circuit formula carbon roasting furnace flue temperature monitoring system power supply the most according to claim 1, its
Being characterised by, described Voltage-Controlled oscillation circuit is by amplifier P, field effect transistor MOS4, and audion VT9, with amplification after positive electrode resistance R30
The polar capacitor C17 that the positive pole of device P is connected, negative pole is connected with gate driver circuit, negative pole is sequentially through resistance R35 and inductance
The polar capacitor that after L3, the outfan with amplifier P is connected, positive pole positive pole with amplifier P after resistance R34 is connected
C18, N pole diode that negative pole is connected, P pole is connected with the drain electrode of field effect transistor MOS4 with amplifier P after resistance R31
D12, after positive electrode resistance R32 the drain electrode with field effect transistor MOS4 be connected, polar capacitor C16, the P pole of minus earth and audion
The diode D13 that the base stage of VT9 is connected, N pole outfan with amplifier P after adjustable resistance R37 is connected, positive pole is through electricity
Be connected with the outfan of amplifier P after resistance R36, after polar capacitor C19, P electrode resistance R33 of minus earth with field effect transistor
The diode D14 that the grid of MOS4 is connected, N pole negative pole with polar capacitor C19 after resistance R38 is connected, and one end
Be connected with the outfan of amplifier P, the resistance R39 of other end ground connection forms；The N pole of described diode D12 also with field effect
The source electrode of pipe MOS4 is connected；The emitter stage of described audion VT9 is connected with the negative pole of amplifier P, its grounded collector；Institute
The positive pole stating polar capacitor C19 is also connected with the N pole of diode D13；The outfan of described amplifier P is also former with transformator T
The Same Name of Ends of limit inductance coil is connected.
One many processing of circuit formula carbon roasting furnace flue temperature monitoring system power supply the most according to claim 2, its
Being characterised by, described ripple peak restrained circuit, by field effect transistor MOS3, audion VT6, audion VT7, audion VT8, is born
The polar capacitor that pole is connected with the colelctor electrode of audion VT6, positive pole is connected with the cathode output end of diode rectifier U1
C12, positive pole positive pole with polar capacitor C12 after resistance R22 is connected, polar capacitor C13, the N pole of minus earth is through resistance
The diode that after R23, the base stage with audion VT6 is connected, P pole positive pole with polar capacitor C12 after resistance R21 is connected
The diode D9 that D8, N pole is connected with the grid of field effect transistor MOS3, P pole is connected with the colelctor electrode of audion VT6, one end
Be connected with the colelctor electrode of audion VT6, the other end be connected with the drain electrode of field effect transistor MOS3 after the adjustable resistance of ground connection
R26, N pole is connected with the emitter stage of audion VT7, P pole emitter stage with audion VT6 after resistance R25 is connected two
Pole pipe D10, one end is connected with the emitter stage of audion VT7, the resistance R27 of other end ground connection, negative pole and the P of diode D10
The polar capacitor C14 that pole is connected, positive pole is connected with the N pole of diode D8 after resistance R24, positive pole is through adjustable resistance R28
Afterwards the base stage with audion VT7 be connected, the polar capacitor C15 of minus earth, and the colelctor electrode phase of P pole and audion VT8
Connect, Zener diode D11 composition that N pole positive pole with polar capacitor C15 after resistance R29 is connected；Described audion VT8
Base stage be connected with the colelctor electrode of audion VT7, its emitter stage is connected with the positive pole of polar capacitor C14；Described voltage stabilizing two
The N pole of pole pipe D11 also with field effect transistor MOS1 and be connected.
One many processing of circuit formula carbon roasting furnace flue temperature monitoring system power supply the most according to claim 3, its
Being characterised by, described base stage triggers circuit by audion VT1, audion VT2, audion VT3, positive pole after resistance R3 with control
Polar capacitor C2, the N pole that the VDD pin of chip U2 is connected, negative pole is connected with the colelctor electrode of audion VT2 is after resistance R2
Be connected with the positive pole of polar capacitor C2, diode D1 that P pole is connected with the colelctor electrode of audion VT1, negative pole is through resistance R1
Be connected with the N pole of diode D1 afterwards, polar capacitor C3 that positive pole emitter stage with audion VT1 after resistance R6 is connected,
Adjustable resistance R4, the P pole that one end is connected with the base stage of audion VT1, the other end is connected with the colelctor electrode of audion VT2 with
The diode D2 that the VS pin of control chip U2 is connected, N pole colelctor electrode with audion VT2 after resistance R5 is connected, just
Pole polar capacitor that CBC pin is connected, negative pole is connected with the base stage of audion VT2 with control chip U2 after resistance R7
C4, and positive pole emitter stage with audion VT2 after resistance R8 is connected, negative pole is connected with the base stage of audion VT3
Polar capacitor C5 forms；The emitter stage of described audion VT3 is connected with the positive pole of polar capacitor C3, its grounded collector.
One many processing of circuit formula carbon roasting furnace flue temperature monitoring system power supply the most according to claim 4, its
Being characterised by, described gate driver circuit is by field effect transistor MOS2, and audion VT4, with control after audion VT5, P electrode resistance R18
Diode D5, the P pole that the CS pin of coremaking sheet U2 is connected, N pole base stage with audion VT5 after resistance R19 is connected with
The diode D7 that the base stage of audion VT4 is connected, N pole is connected with the emitter stage of audion VT5, positive pole is after resistance R20
Be connected with the base stage of audion VT4, negative pole be connected with the colelctor electrode of audion VT4 after the polar capacitor C7 of ground connection, negative pole
Be connected with the grid of field effect transistor MOS2, polarity that positive pole is connected with the DRV pin of control chip U2 after inductance L2 electricity
Hold C9, the polarity of ground connection after positive pole is connected, negative pole is connected with the CS pin of control chip U2 with the positive pole of polar capacitor C9
The drain electrode with field effect transistor MOS2 after resistance R12 of electric capacity C8, N pole is connected, P pole after resistance R14 with polar capacitor C9's
The diode D4 that positive pole is connected, one end is connected with the drain electrode of field effect transistor MOS2, the positive pole of the other end and polar capacitor C9
The adjustable resistance R15 being connected, positive pole drain electrode with field effect transistor MOS2 after resistance R13 is connected, negative pole is after resistance R17
The polar capacitor C10 being connected with the colelctor electrode of audion VT5, and P pole after resistance R16 with the drain electrode of field effect transistor MOS2
Be connected, diode D6 that N pole is connected with the base stage of audion VT composition；The drain electrode of described field effect transistor MOS2 is also and polarity
The negative pole of electric capacity C17 is connected, its source electrode is connected with the emitter stage of audion VT4；The base stage of described audion VT5 is also with three
The base stage of pole pipe VT4 is connected, its grounded collector.
One many processing of circuit formula carbon roasting furnace flue temperature monitoring system power supply the most according to claim 5, its
It is characterised by, the integrated chip of UCC28730 of described control chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621313.8A CN106059344A (en) | 2016-07-29 | 2016-07-29 | Power supply for multi-circuit processing type carbon baking furnace flue temperature monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621313.8A CN106059344A (en) | 2016-07-29 | 2016-07-29 | Power supply for multi-circuit processing type carbon baking furnace flue temperature monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN106059344A true CN106059344A (en) | 2016-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610621313.8A Withdrawn CN106059344A (en) | 2016-07-29 | 2016-07-29 | Power supply for multi-circuit processing type carbon baking furnace flue temperature monitoring system |
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| CN (1) | CN106059344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347312A (en) * | 2018-11-30 | 2019-02-15 | 常州拓晶照明科技有限公司 | A kind of electric source filter circuit integrated |
-
2016
- 2016-07-29 CN CN201610621313.8A patent/CN106059344A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347312A (en) * | 2018-11-30 | 2019-02-15 | 常州拓晶照明科技有限公司 | A kind of electric source filter circuit integrated |
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