CN106230281A - A kind of carbon roasting furnace flue temperature monitoring system power supply - Google Patents
A kind of carbon roasting furnace flue temperature monitoring system power supply Download PDFInfo
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- CN106230281A CN106230281A CN201610621843.2A CN201610621843A CN106230281A CN 106230281 A CN106230281 A CN 106230281A CN 201610621843 A CN201610621843 A CN 201610621843A CN 106230281 A CN106230281 A CN 106230281A
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Classifications
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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
- H02M1/44—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
- 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 kind of carbon roasting furnace flue temperature monitoring system power supply, main by control chip U2, diode rectifier U1, transformator T, field effect transistor MOS1, critesistor RT, Zener diode D3, polar capacitor C1, polar capacitor C11, the base stage being connected with the VDD pin of control chip U2 and VS pin and CBC pin respectively triggers the compositions such as circuit, and the gate driver circuit being connected respectively with the DRV pin of control chip U2 and the Same Name of Ends of CS pin and transformator T secondary inductance coil.The fluctuation that input voltage is produced by the present invention because of ambient temperature and circuit parameter and electromagnetic interference suppresses, and 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.
Description
Technical field
The present invention relates to calcining carbon field, specifically refer to a kind of 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 carbon roasting furnace flue temperature monitoring system
System power supply.
The purpose of the present invention realizes by following technical scheme: a kind of carbon roasting furnace flue temperature monitoring system power supply,
Mainly by control chip U2, diode rectifier U1, transformator T, field effect transistor MOS1, one end is with diode rectifier U1 just
Pole outfan is connected, critesistor RT, the P pole of other end ground connection grid with field effect transistor MOS1 after resistance R10 is connected
Connect, Zener diode D3 that N pole is connected with the HV pin of control chip U2, the positive pole output of positive pole and diode rectifier U1
The polar capacitor C1 of ground connection after end is connected, negative pole is connected with the cathode output end of diode rectifier U1, one end is imitated with field
Should the inductance L1 that drain electrode is connected, the non-same polarity of other end limit former with transformator T inductance coil is connected of pipe MOS1, negative pole
Be connected with the CS pin of control chip U2, polarity that positive pole is connected with the CBC pin of control chip U2 after resistance R9 electricity
Holding C6, positive pole is connected with the Same Name of Ends of transformator T secondary inductance coil, negative pole is of the same name with transformator T secondary inductance coil
The polar capacitor C11 that is connected of end, one end is connected with the positive pole of polar capacitor C11, the other end and the negative pole of polar capacitor C11
The resistance R11 being connected, the base stage being connected with the VDD pin of control chip U2 and VS pin and CBC pin respectively triggers
Circuit, and be connected with the DRV pin of control chip U2 and the Same Name of Ends of CS pin and transformator T secondary inductance coil respectively
The gate driver circuit composition connect；The cathode output end of described diode rectifier U1 also has the VDD pin phase of control chip U2
Connect；The GND pin ground connection of described control chip U2；The source electrode of described field effect transistor MOS1 and the positive pole of diode rectifier U1
Outfan is connected；The input of described diode rectifier U1 is connected with civil power.
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 and transformator
The Same Name of Ends of T former limit inductance coil is connected, its source electrode is connected with the emitter stage of audion VT4；The base of described audion VT5
Pole also base stage with audion 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) 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.
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, base stage triggers circuit, and gate driver circuit composition.
During connection, one end of critesistor RT is connected with the cathode output end of diode rectifier U1, other end ground connection.
The P pole of Zener diode D3 grid with field effect transistor MOS1 after resistance R10 is connected, the HV pipe of N pole and control chip U2
Foot is connected.The positive pole of polar capacitor C1 is connected with the cathode output end of diode rectifier U1, negative pole and diode rectification
The cathode output end of device U1 be connected after ground connection.One end of inductance L1 is connected with the drain electrode of field effect transistor MOS1, the other end with
The non-same polarity of transformator T former limit inductance coil is connected.The negative pole of polar capacitor C6 is connected with the CS pin of control chip U2
Connecing, positive 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 respectively with the DRV pin of control chip U2 and CS pin and transformator T secondary inductance line
The Same Name of Ends of circle is connected.
The cathode output end of described diode rectifier U1 also has the VDD pin of control chip U2 to be connected；Described control
The GND pin ground connection of chip U2；The source electrode of described field effect transistor MOS1 is connected with the cathode output end of diode rectifier U1.
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 Same Name of Ends of the drain electrode of described field effect transistor MOS2 also former with transformator T limit inductance coil is connected, its source electrode with
The emitter stage of audion VT4 is connected；The base stage of described audion VT5 also base stage with audion VT4 is connected, its colelctor electrode
Ground connection.
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 control chip U2 of the present invention preferentially have employed the integrated chip of UCC28730 and realizes, and this chip is with peripheral
Circuit combines, and can effectively improve stability and the reliability of output voltage of the present invention.
As it has been described above, just can well realize the present invention.
Claims (4)
1. a carbon roasting furnace flue temperature monitoring system power supply, mainly by control chip U2, diode rectifier U1, become
Depressor T, field effect transistor MOS1, one end is connected with the cathode output end of diode rectifier U1, the temperature-sensitive of other end ground connection electricity
Resistance RT, P pole grid with field effect transistor MOS1 after resistance R10 is connected, N pole is connected with the HV pin of control chip U2
Zener diode D3, positive pole is connected with the cathode output end of diode rectifier U1, negative pole is negative with diode rectifier U1's
Pole outfan be connected after the polar capacitor C1 of ground connection, one end is connected with the drain electrode of field effect transistor MOS1, the other end and transformation
The inductance L1 that the non-same polarity of device T former limit inductance coil is connected, negative pole is connected with the CS pin of control chip U2, positive pole warp
The polar capacitor C6 being connected with the CBC pin of control chip U2 after resistance R9, positive pole is same with transformator T secondary inductance coil
The name polar capacitor C11 that end is connected, negative pole is connected with the Same Name of Ends of transformator T secondary inductance coil, one end and polarity electricity
Hold the resistance R11 that positive pole is connected, the other end is connected of C11 with the negative pole of polar capacitor C11, respectively with control chip U2's
Base stage that VDD pin is connected with VS pin and CBC pin triggers circuit, and respectively with the DRV pin of control chip U2
The gate driver circuit composition being connected with the Same Name of Ends of CS pin and transformator T secondary inductance coil；Described diode is whole
The cathode output end of stream device U1 also has the VDD pin of control chip U2 to be connected；The GND pin ground connection of described control chip U2；
The source electrode of described field effect transistor MOS1 is connected with the cathode output end of diode rectifier U1；Described diode rectifier U1's
Input is connected with civil power.
A kind of carbon roasting furnace flue temperature monitoring system power supply the most according to claim 1, it is characterised in that described
Base stage triggers circuit by audion VT1, audion VT2, audion VT3, and positive pole VDD with control chip U2 after resistance R3 manages
Polar capacitor C2, the N pole that foot is connected, negative pole is connected with the colelctor electrode of audion VT2 after resistance R2 with polar capacitor C2
The diode D1 that positive pole is connected, P pole is connected with the colelctor electrode of audion VT1, negative pole after resistance R1 with diode D1
The polar capacitor C3 that N pole is connected, positive pole emitter stage with audion VT1 after resistance R6 is connected, one end and audion
Adjustable resistance R4, the P pole that the base stage of VT1 is connected, the other end is connected with the colelctor electrode of audion VT2 is with control chip U2's
The diode D2 that VS pin is connected, N pole colelctor electrode with audion VT2 after resistance R5 is connected, positive pole is after resistance R7
Be connected with the CBC pin of control chip U2, polar capacitor C4 that negative pole is connected with the base stage of audion VT2, and positive pole
The polar capacitor C5 group that emitter stage with audion VT2 is connected after resistance R8, negative pole is connected with the base stage of audion VT3
Become；The emitter stage of described audion VT3 is connected with the positive pole of polar capacitor C3, its grounded collector.
A kind of carbon roasting furnace flue temperature monitoring system power supply the most according to claim 2, it is characterised in that described
Gate driver circuit is by field effect transistor MOS2, audion VT4, and after audion VT5, P electrode resistance R18, the CS with control chip U2 manages
The base stage of diode D5, the P pole that foot is connected, N pole base stage with audion VT5 after resistance R19 is connected and audion VT4
Be connected, diode D7 that N pole is connected with the emitter stage of audion VT5, positive pole after resistance R20 with the base of audion VT4
The polar capacitor C7 of ground connection after pole is connected, negative pole is connected with the colelctor electrode of audion VT4, negative pole and field effect transistor MOS2
The polar capacitor C9 that grid is connected, positive pole is connected with the DRV pin of control chip U2 after inductance L2, positive pole and polarity electricity
After the positive pole of appearance C9 is connected, negative pole is connected with the CS pin of control chip U2, polar capacitor C8, the N pole of ground connection is through resistance
Two poles that after R12, the drain electrode with field effect transistor MOS2 is connected, P pole positive pole with polar capacitor C9 after resistance R14 is connected
Pipe D4, the adjustable resistance that one end is connected with the drain electrode of field effect transistor MOS2, the other end is connected with the positive pole of polar capacitor C9
R15, positive pole drain electrode with field effect transistor MOS2 after resistance R13 is connected, negative pole after resistance R17 with the collection of audion VT5
The polar capacitor C10 that electrode is connected, and the drain electrode with field effect transistor MOS2 after resistance R16 of P pole is connected, N pole and three
The diode D6 composition that the base stage of pole pipe VT is connected；The drain electrode of described field effect transistor MOS2 also former with transformator T limit inductor wire
The Same Name of Ends of circle 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.
A kind of carbon roasting furnace flue temperature monitoring system power supply the most according to claim 3, it is characterised in that described
The integrated chip of UCC28730 of control chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621843.2A CN106230281A (en) | 2016-07-29 | 2016-07-29 | A kind of carbon roasting furnace flue temperature monitoring system power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621843.2A CN106230281A (en) | 2016-07-29 | 2016-07-29 | A kind of carbon roasting furnace flue temperature monitoring system power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106230281A true CN106230281A (en) | 2016-12-14 |
Family
ID=57535963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610621843.2A Withdrawn CN106230281A (en) | 2016-07-29 | 2016-07-29 | A kind of carbon roasting furnace flue temperature monitoring system power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106230281A (en) |
-
2016
- 2016-07-29 CN CN201610621843.2A patent/CN106230281A/en not_active Withdrawn
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Application publication date: 20161214 |