CN106559923A - A kind of power conditioning circuitry of many gear electric heaters - Google Patents
A kind of power conditioning circuitry of many gear electric heaters Download PDFInfo
- Publication number
- CN106559923A CN106559923A CN201610960916.0A CN201610960916A CN106559923A CN 106559923 A CN106559923 A CN 106559923A CN 201610960916 A CN201610960916 A CN 201610960916A CN 106559923 A CN106559923 A CN 106559923A
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- 230000003750 conditioning effect Effects 0.000 title claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
-
- 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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0255—Irons
-
- 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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
-
- 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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0269—For heating of fluids
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention provides a kind of power conditioning circuitry of many gear electric heaters, its circuit is made up of power circuit, zero cross detection circuit and power stepping circuit, power circuit is responsible for power supply, zero-crossing pulse is transferred to zero cross detection circuit the decade computer/pulsqe distributor of power stepping circuit, zero-crossing pulse is counted by which and pulse distribution, the output pulse of decade computer/pulsqe distributor is loaded on optocoupler by reverser, and then controls bidirectional thyristor by optocoupler.As power regulating switch is adjusted to the output pulse frequency that different gears can change decade computer/pulsqe distributor, therefore adjust power regulating switch to be adjusted the angle of flow of bidirectional thyristor, thus reach the purpose of the heating power of many gear control electric heaters.Due to circuit of the present invention, in gear switch, heater can be always maintained at conducting state, it is not easy to cause heater failure, therefore better than the power conditioning circuitry of general many gear electric heaters.
Description
Technical field
The present invention relates to a kind of power conditioning circuitry, specifically a kind of power conditioning circuitry of many gear electric heaters, belong to
Electronic technology field.
Background technology
Had much using the household electrical appliance heated by electric heater, such as electric heater, electric furnace, electric chafing dish, electric iron etc.,
These household electrical appliances are generally provided with corresponding power gear switch and carry out stepping regulation to the heating power of electric heater, simple at present
Stepping regulative mode has two kinds, and one kind is that electric heater is divided into multistage, controls to carry out using wherein several sections by driving switch
Heating, also a kind of heating/dwell time ratio for being to control by driving switch electric heater, and then realize carrying out heating power
Stepping is adjusted.The break-make of electric heater to be switched over during due to transferring the files, frequently break-make switching easily causes electric heater
Damage, therefore it is desirable that can be by a bidirectional thyristor of connecting on electric heater loop, by controlling bidirectional thyristor
The angle of flow is carrying out stepping to heater.The angle of flow is bigger, and the electric current that heater passes through is bigger, and heating power is bigger;The angle of flow
Less, the electric current that heater passes through is less, and heating power is also less.It is two-way by controlled loading due to switching gear size
Realizing, during gear switch, heater can be always maintained at conducting state to the high-frequency pulse voltage at thyristor control end, therefore not
It is susceptible to damage.
The content of the invention
It is an object of the invention to provide a kind of power conditioning circuitry of many gear electric heaters, to solve current heater class electricity
Device carries out to switch over the break-make of electric heater when power is transferred the files, and easily causes the problem of the damage of electric heater.
The present invention concrete technical scheme be:
A kind of power conditioning circuitry of many gear electric heaters, its circuit is by power circuit, zero cross detection circuit and power stepping electricity
Road constitutes.
In the power circuit, the two ends of 220V civil power connection transformer T1 primary coils, the secondary wire of transformator T1
Circle is provided with three taps, centre tap ground connection, exports 9V alternating currents between upper and lower two tap and centre tap, upper tap and
Lower tap connects the positive pole of diode D1 and D2 respectively, and the negative pole of diode D1 and D2 connects the positive pole of electric capacity C1 jointly, electric capacity C1's
Minus earth, supplies unidirectional current to late-class circuit from the positive pole of electric capacity C1.
In the zero cross detection circuit, the upper tap of the secondary coil of transformator T1 and lower tap meet diode D3 respectively
With the positive pole of D4, after the common series resistor R1 of negative pole of diode D3 and D4 access amplifier LM358 2 feet, the 3 of amplifier LM358
Foot and 4 feet ground connection, 8 feet connect the positive pole of electric capacity C1, and 1 foot is to power stepping circuit output.
In the power stepping circuit, 1 foot of zero cross detection circuit amplifier LM358 connects decade computer/pulse point
14 feet of Fitter C D4017 chips, 16 feet of CD4017 chips connect the positive pole of electric capacity C1,8 feet and 13 feet ground connection, and 15 feet connect fourth gear
The common port of power regulating switch S1,4,7,10,1 foot are connected with 1,2,3, the 4 gear ends of fourth gear power regulating switch S1 respectively
Connect, 2 feet and 3 feet connect the positive pole of diode D5 and D6 respectively, the negative pole of diode D5 and D6 accesses the 1 of phase inverter 74LS04 jointly
Foot;The 7 feet ground connection of phase inverter 74LS04,14 foot series resistor R2 are followed by the positive pole of electric capacity C1, and 2 feet connect 2 feet of optocoupler TCP521;
The 1 foot series resistor R3 of optocoupler TCP521 connects the positive pole of electric capacity C1, and 4 feet connect the positive pole of electric capacity C1, and 3 feet connect bidirectional thyristor VS's
One end of control pole and resistance R4, the other end ground connection of resistance R4;The first anode of bidirectional thyristor VS meets the N of 220V civil powers
Line, second plate concatenation electric heater EH are followed by the L lines of 220V civil powers.
The diode D1-D6 adopts 1N4007, bidirectional thyristor VS to select using the power according to electric heater EH,
Electric capacity C1 adopts 470 μ F/25V electrochemical capacitors, resistance R1 to adopt 10k Ω resistance.
The power conditioning circuitry of many gear electric heaters of the present invention is by power circuit, zero cross detection circuit and power stepping electricity
Road constitutes, and power circuit is responsible for power supply, and zero-crossing pulse is transferred to zero cross detection circuit the decade counter of power stepping circuit
Device/pulsqe distributor, is counted to zero-crossing pulse by which and pulse distribution, the output of decade computer/pulsqe distributor
Pulse is loaded on optocoupler by reverser, and then controls bidirectional thyristor by optocoupler.As power regulating switch is adjusted to not
Same gear can change the output pulse frequency of decade computer/pulsqe distributor, therefore regulation power regulating switch can
The angle of flow of bidirectional thyristor is adjusted, the purpose of the heating power of many gear control electric heaters is thus reached.Due to this
Invention circuit heater in gear switch can be always maintained at conducting state, it is not easy to cause heater failure, therefore than general
The power conditioning circuitry of many gear electric heaters to get well.
Description of the drawings
Fig. 1 is the circuit diagram of the temperature control circuit of many gear electric heaters of the invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, the power conditioning circuitry of many gear electric heaters of the present invention by power circuit, zero cross detection circuit and
Power stepping circuit is constituted.
In the power circuit, the two ends of 220V civil power connection transformer T1 primary coils, the secondary wire of transformator T1
Circle is provided with three taps, centre tap ground connection, exports 9V alternating currents between upper and lower two tap and centre tap, upper tap and
Lower tap connects the positive pole of diode D1 and D2 respectively, and the negative pole of diode D1 and D2 connects the positive pole of electric capacity C1 jointly, electric capacity C1's
Minus earth, supplies unidirectional current to late-class circuit from the positive pole of electric capacity C1.
In the zero cross detection circuit, the upper tap of the secondary coil of transformator T1 and lower tap meet diode D3 respectively
With the positive pole of D4, after the common series resistor R1 of negative pole of diode D3 and D4 access amplifier LM358 2 feet, the 3 of amplifier LM358
Foot and 4 feet ground connection, 8 feet connect the positive pole of electric capacity C1, and 1 foot is to power stepping circuit output.
In the power stepping circuit, 1 foot of zero cross detection circuit amplifier LM358 connects decade computer/pulse point
14 feet of Fitter C D4017 chips, 16 feet of CD4017 chips connect the positive pole of electric capacity C1,8 feet and 13 feet ground connection, and 15 feet connect fourth gear
The common port of power regulating switch S1,4,7,10,1 foot are connected with 1,2,3, the 4 gear ends of fourth gear power regulating switch S1 respectively
Connect, 2 feet and 3 feet connect the positive pole of diode D5 and D6 respectively, the negative pole of diode D5 and D6 accesses the 1 of phase inverter 74LS04 jointly
Foot;The 7 feet ground connection of phase inverter 74LS04,14 foot series resistor R2 are followed by the positive pole of electric capacity C1, and 2 feet connect 2 feet of optocoupler TCP521;
The 1 foot series resistor R3 of optocoupler TCP521 connects the positive pole of electric capacity C1, and 4 feet connect the positive pole of electric capacity C1, and 3 feet connect bidirectional thyristor VS's
One end of control pole and resistance R4, the other end ground connection of resistance R4;The first anode of bidirectional thyristor VS meets the N of 220V civil powers
Line, second plate concatenation electric heater EH are followed by the L lines of 220V civil powers.
This circuit work when, 220V civil power Jing transformator T1 blood pressure lowerings, diode D1, D2 all wave rectification and electric capacity C1 filtering
Afterwards, the DC voltage for forming about 9V is exported to rear class.The pulsating dc voltage Jing resistance R1 produced after diode D3, D4 rectification add
2 foot inverting inputs of amplifier LM358 are loaded onto, when alternating current zero passage, pulsating dc voltage also zero passage, 1 foot of amplifier LM358
Outfan can export zero-crossing pulse and be loaded onto 14 feet of CD4017 chips, and CD4017 chips are counted to zero-crossing pulse and arteries and veins
After punching distribution, from its 2 foot and 3 feet output high level pulse, low level after the inverted device 74LS04 of high level pulse is anti-phase, is formed
Pulse, and then optocoupler TCP521 conductings are triggered, the high trigger pulses exported by 3 feet of optocoupler TCP521 control two-way brilliant lock
The angle of flow of pipe VS is realizing the control to electric heater EH power.
By adjusting fourth gear power regulating switch S1, gear regulation can be carried out to the heating power of electric heater EH.When four
When shelves power regulating switch S1 is placed in 1 grade, 1 foot of amplifier LM358 often exports 1 zero-crossing pulse, 2 feet of CD4017 chips or 3
Foot will produce 1 high level pulse, and now the ducting capacity of bidirectional thyristor VS is most strong, electric heater EH full power operations;When
When fourth gear power regulating switch S1 is placed in 3 grades, 1 foot of amplifier LM358 often exports 4 zero-crossing pulses, 2 feet of CD4017 chips or
3 feet can just produce 2 high level pulses, and now the ducting capacity of bidirectional thyristor VS only has 50%, electric heater EH half-power works
Make.
Above-mentioned legend is only the exemplary embodiments of the present invention, is not limited to the present invention, all spirit in the present invention and
Any modification made within principle or equivalent and improvement etc., should be included within the scope of the present invention.
Claims (2)
1. a kind of power conditioning circuitry of many gear electric heaters, is characterized in that:The power conditioning circuitry is by power circuit, zero passage
Detection circuit and power stepping circuit composition;
In the power circuit, the two ends of 220V civil power connection transformer T1 primary coils, the secondary coil of transformator T1 set
There are three taps, centre tap ground connection exports 9V alternating currents between upper and lower two tap and centre tap, upper tap is taken out with
Head connects the positive pole of diode D1 and D2 respectively, and the negative pole of diode D1 and D2 connects the positive pole of electric capacity C1, the negative pole of electric capacity C1 jointly
Ground connection, supplies unidirectional current to late-class circuit from the positive pole of electric capacity C1;
In the zero cross detection circuit, the upper tap of the secondary coil of transformator T1 and lower tap meet diode D3 and D4 respectively
Positive pole, after the common series resistor R1 of negative pole of diode D3 and D4 access amplifier LM358 2 feet, 3 feet of amplifier LM358 and 4
Foot is grounded, and 8 feet connect the positive pole of electric capacity C1, and 1 foot is to power stepping circuit output;
In the power stepping circuit, 1 foot of zero cross detection circuit amplifier LM358 connects decade computer/pulsqe distributor
14 feet of CD4017 chips, 16 feet of CD4017 chips connect the positive pole of electric capacity C1,8 feet and 13 feet ground connection, and 15 feet connect fourth gear power
The common port of switch S1 is adjusted, 4,7,10,1 foot is connected with 1,2,3, the 4 gear ends of fourth gear power regulating switch S1 respectively, 2
Foot and 3 feet connect the positive pole of diode D5 and D6 respectively, and the negative pole of diode D5 and D6 accesses 1 foot of phase inverter 74LS04 jointly;
The 7 feet ground connection of phase inverter 74LS04,14 foot series resistor R2 are followed by the positive pole of electric capacity C1, and 2 feet connect 2 feet of optocoupler TCP521;Light
The 1 foot series resistor R3 of coupling TCP521 connects the positive pole of electric capacity C1, and 4 feet connect the positive pole of electric capacity C1, and 3 feet connect the control of bidirectional thyristor VS
Pole processed and one end of resistance R4, the other end ground connection of resistance R4;The first anode of bidirectional thyristor VS connects the N lines of 220V civil powers,
Second plate concatenation electric heater EH is followed by the L lines of 220V civil powers.
2. the power conditioning circuitry of many gear electric heaters according to claim 1, is characterized in that:The diode D1-D6
1N4007, bidirectional thyristor VS is adopted to select using the power according to electric heater EH, electric capacity C1 is electrolysed using 470 μ F/25V
Electric capacity, resistance R1 adopt 10k Ω resistance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610960916.0A CN106559923A (en) | 2016-11-04 | 2016-11-04 | A kind of power conditioning circuitry of many gear electric heaters |
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CN201610960916.0A CN106559923A (en) | 2016-11-04 | 2016-11-04 | A kind of power conditioning circuitry of many gear electric heaters |
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CN201610960916.0A Pending CN106559923A (en) | 2016-11-04 | 2016-11-04 | A kind of power conditioning circuitry of many gear electric heaters |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109445511A (en) * | 2018-11-29 | 2019-03-08 | 国网辽宁省电力有限公司经济技术研究院 | A kind of 10 kilovolts of thyristor controlled series compensation power regulating systems |
CN110531665A (en) * | 2019-09-02 | 2019-12-03 | 佛山科学技术学院 | A kind of beauty appliance electronic controller |
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CN102393660A (en) * | 2011-09-15 | 2012-03-28 | 徐建坤 | Wireless remote-controlled multi-range power controller |
CN103874261A (en) * | 2012-12-10 | 2014-06-18 | 江苏施诺照明有限公司 | Single-key remote-control dimming LED lamp |
CN104348378A (en) * | 2013-07-25 | 2015-02-11 | 常州浩瀚万康纳米材料有限公司 | Temperature adjusting circuit for electric appliances |
CN206260092U (en) * | 2016-11-04 | 2017-06-16 | 东莞市胜控电子科技有限公司 | A kind of power conditioning circuitry of many gear electric heaters |
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2016
- 2016-11-04 CN CN201610960916.0A patent/CN106559923A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201018448Y (en) * | 2006-10-23 | 2008-02-06 | 沈建兴 | Three-phase power-saving device for sewing machine |
CN201114956Y (en) * | 2007-06-20 | 2008-09-10 | 上海剑雄节能技术有限公司 | Digital control crystal tube lighting power saver |
CN102393660A (en) * | 2011-09-15 | 2012-03-28 | 徐建坤 | Wireless remote-controlled multi-range power controller |
CN103874261A (en) * | 2012-12-10 | 2014-06-18 | 江苏施诺照明有限公司 | Single-key remote-control dimming LED lamp |
CN104348378A (en) * | 2013-07-25 | 2015-02-11 | 常州浩瀚万康纳米材料有限公司 | Temperature adjusting circuit for electric appliances |
CN206260092U (en) * | 2016-11-04 | 2017-06-16 | 东莞市胜控电子科技有限公司 | A kind of power conditioning circuitry of many gear electric heaters |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109445511A (en) * | 2018-11-29 | 2019-03-08 | 国网辽宁省电力有限公司经济技术研究院 | A kind of 10 kilovolts of thyristor controlled series compensation power regulating systems |
CN109445511B (en) * | 2018-11-29 | 2024-03-29 | 国网辽宁省电力有限公司经济技术研究院 | 10 kilovolt thyristor valve group power regulating system |
CN110531665A (en) * | 2019-09-02 | 2019-12-03 | 佛山科学技术学院 | A kind of beauty appliance electronic controller |
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