CN101257742A - High frequency heating device - Google Patents
High frequency heating device Download PDFInfo
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- CN101257742A CN101257742A CNA2008100262371A CN200810026237A CN101257742A CN 101257742 A CN101257742 A CN 101257742A CN A2008100262371 A CNA2008100262371 A CN A2008100262371A CN 200810026237 A CN200810026237 A CN 200810026237A CN 101257742 A CN101257742 A CN 101257742A
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Abstract
The invention relates to a thermatron applied in the electric cooker or the heating apparatus field to heat, which comprises a high-frequency frequency conversion circuit for heating, the output power of which is 200W to 10,000W, the frequency of which is 5,000Hz to 10MHz, the voltage of which is 0.3V to 37V, the output end of which is provided with at least two conduction electrode. The thermatron adopting the technology has the advantages of low manufacturing cost, high thermal efficiency, small space radiation, safe and direct heating.
Description
Technical field
The present invention relates to a kind of heater, especially relate to a kind of thermatron, this thermatron can be applicable to the heating of cooker or warming appliance.
Background technology
At present, metal material heated generally be divided into two kinds, thus a kind of be to utilize electromagnetic field on ferromagnetic material, to produce eddy current metal is heated, as electromagnetic oven etc.; Another kind then utilizes low-frequency voltage that heating wire is heated to cause heated object to produce heat, as electric heater etc.; More than two kinds of mode of heatings all have defectives such as the efficiency space loss is big, heating time is long; Moreover electromagnetic field eddy current mode of heating can produce radiation, even can impact health; And adopting heating wire to heat as thermal source, its cost is higher, and is dangerous.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, and a kind of new mode of heating is provided, have the thermatron that cost is low, the heat efficiency is high, space radiation is little and heating is safe.
Order of the present invention is achieved in that
A kind of thermatron, comprise the high frequency frequency changer circuit, this high frequency frequency changer circuit is used for heating, the power output of described high frequency frequency changer circuit is between the 200W to 10000W, frequency is between 5000HZ to 10 million HZ, voltage is between the 0.3V to 37V, and the output of high frequency frequency changer circuit is provided with at least two conductive electrode.During work, metalware or resistance wire directly are placed between the conductive electrode, constitute the conducting loop, high frequency frequency changer circuit output high frequency, low-tension current can be realized vessel or resistance wire heating.This high frequency low voltage heating is a kind of brand-new mode of heating, has the advantage that cost is low, the heat efficiency is high, space radiation is little and heating is safe.
Purpose of the present invention can also adopt following technical measures to solve:
The high frequency frequency changer circuit can be to comprise current rectifying and wave filtering circuit, high frequency driver and transformer, rectification filter circuit output end is connected with the primary winding, make electric current after rectification, be delivered to earlier transformer again, described current rectifying and wave filtering circuit input is parallel with the high frequency driver input, the high frequency driver output connects the primary winding, make transformer produce high frequency voltage, electric current, so that the conductive electrode on the transformer output under the connection conducting effect of electric conductors such as metalware or resistance wire, produces heat effect.
Above-mentioned high frequency driver comprises drive plate and power tube T1, T2 and sample resistance R1 composition, drive plate input and current rectifying and wave filtering circuit input also connect, the base stage of power tube T1, T2 links to each other with drive plate two outputs respectively, be connected with sample resistance R1 on another output of drive plate, power tube T1 emitter links to each other with power tube T2 base stage, and power tube T2 emitter is connected with sample resistance R1.
The execution mode of above-mentioned high frequency frequency changer circuit, be divided into two-way after the power supply input, one the tunnel through being defeated by transformer after the rectification of rectifier bridge worry ripple, and drive plate is imported on another road, and drive plate is exported by chip controls, the user is provided with a certain numerical value, sample resistance will be given chip by signal of backspace, with this power controlling pipe T1, T2, its conducting, frequency is amplified, transformer output high frequency low voltage electric current uses for conductive electrode heating when the conducting state.
The high frequency frequency changer circuit also can be to comprise current rectifying and wave filtering circuit, high frequency driver and transformer, high frequency driver is provided with drive plate and bridge converter, the drive plate input is attempted by the input of current rectifying and wave filtering circuit, the drive plate output is connected with bridge converter, bridge converter also is electrically connected with rectification filter circuit output end, bridge converter output and primary winding input join, and make transformer produce high frequency voltage, electric current.
If bridge converter is the full-bridge converter that is made of function pipe T3, T4, T5 and T6.Full-bridge converter is connected in series a capacitor C b with primary winding one end.
The execution mode of this high frequency frequency changer circuit, be divided into two-way equally after the power supply input, one the tunnel through being defeated by full-bridge converter after the rectification of rectifier bridge worry ripple, another road input drive plate, drive plate output is controlled full-bridge converter by chip controls with this, and its conducting, frequency are amplified, transformer output high frequency low voltage electric current uses for conductive electrode heating when the conducting state.
If bridge converter is the half bridge converter that is made of function pipe T7 and T8.Half bridge converter is connected in series a capacitor C b with primary winding one end; Also comprise the capacitance group C1 and the C2 that are serially connected mutually, capacitance group C1 and C2 are attempted by current rectifying and wave filtering circuit two outputs, and another input of primary winding is connected between the capacitance group interior C1 and C2.
The execution mode of this high frequency frequency changer circuit, its operation principle catches up with that to state the full-bridge converter principle similar.
The drive plate of above-mentioned a plurality of execution modes can be that model is the drive plate of SG3524, UC3846 or TL494.
The invention has the beneficial effects as follows:
Thermatron of the present invention, be different from existing electromagnetism heating and the heating of low-frequency resistance silk fully, it is by the high frequency frequency changer circuit, power output is between 200W to 10000W, frequency is between 5000HZ to 10 million HZ, and the electric current of voltage between 0.3V to 37V, so that metalware or resistance wire directly are placed between the conductive electrode, when constituting the conducting loop, realize the heating of vessel or resistance wire; It has, and cost is low, the heat efficiency is high, space radiation is little and the advantage of heating safety.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is embodiment 1 circuit diagram of high frequency frequency changer circuit of the present invention;
Fig. 3 is embodiment 2 circuit diagrams of high frequency frequency changer circuit of the present invention;
Fig. 4 is embodiment 3 circuit diagrams of high frequency frequency changer circuit of the present invention.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of thermatron, comprise high frequency frequency changer circuit 1, this high frequency frequency changer circuit 1 is used for heating, the power output of described high frequency frequency changer circuit 1 is between the 200W to 10000W, frequency is between 5000HZ to 10 million HZ, and voltage is between the 0.3V to 37V, and the output of high frequency frequency changer circuit 1 is provided with at least two conductive electrode 2,3.This thermatron can be applied in electric cooking appliance or warming appliance field, uses to do heating.
Below be each specific embodiment of high frequency frequency changer circuit:
Embodiment 1: as shown in Figure 2, above-mentioned high frequency frequency changer circuit 1 can be to comprise current rectifying and wave filtering circuit 4, high frequency driver 5 and transformer 6, current rectifying and wave filtering circuit 4 outputs are connected with transformer 6 elementary windings, make electric current after rectification, be delivered to earlier transformer 6 again, described current rectifying and wave filtering circuit 4 inputs are parallel with high frequency driver 5 inputs, high frequency driver 5 outputs connect transformer 6 elementary windings, make transformer 6 produce high frequency voltage, electric current, so that the conductive electrode 2 on transformer 6 outputs, 3 under the connection conducting effect of electric conductors such as metalware or resistance wire, produces heat effect.
Above-mentioned high frequency driver 5 comprises drive plate 501 and power tube T1, T2 and sample resistance R1 composition, drive plate 501 inputs and current rectifying and wave filtering circuit 4 inputs also connect, the base stage of power tube T1, T2 links to each other with 501 liang of outputs of drive plate respectively, be connected with sample resistance R1 on drive plate 501 another outputs, power tube T1 emitter links to each other with power tube T2 base stage, and power tube T2 emitter is connected with sample resistance R1.
Operation principle: be divided into two-way after the power supply input, one the tunnel through being defeated by transformer 6 after current rectifying and wave filtering circuit 4 rectifications, another road input drive plate 501, drive plate 501 outputs are by chip controls, and the user is provided with a certain numerical value, and sample resistance R1 will give chip by signal of backspace, with this power controlling pipe T1, T2, its conducting, frequency are amplified, and transformer 6 output high frequency low voltage electric currents use for conductive electrode 2,3 heating when the conducting state.
Embodiment 2: as shown in Figure 3, high frequency frequency changer circuit 1 also can be to comprise current rectifying and wave filtering circuit 4, high frequency driver 5 and transformer 6, high frequency driver 5 is provided with drive plate 501 and bridge converter 502, drive plate 501 inputs are attempted by the input of current rectifying and wave filtering circuit 4, drive plate 501 outputs are connected with bridge converter 502, bridge converter 502 also is electrically connected with current rectifying and wave filtering circuit 4 outputs, bridge converter 502 outputs and transformer 6 elementary winding inputs join, and make transformer 6 produce high frequency voltage, electric current.
If bridge converter 502 is the full-bridge converter that are made of function pipe T3, T4, T5 and T6.Full-bridge converter is connected in series a capacitor C b with transformer 6 elementary winding one ends.
Operation principle: be divided into two-way equally after the power supply input, one the tunnel through being defeated by full-bridge converter after current rectifying and wave filtering circuit 4 rectifications, another road input drive plate 501, drive plate 501 outputs are by chip controls, control full-bridge converter with this, its conducting, frequency are amplified, and transformer 6 output high frequency low voltage electric currents use for conductive electrode 2,3 heating when the conducting state.
Embodiment 3: as shown in Figure 4, its circuit is similar to embodiment 2, and difference is that bridge converter 502 is that function pipe T7 and T8 constitute half bridge converter; Half bridge converter is connected in series a capacitor C b with transformer 6 elementary winding one ends; Also comprise the capacitance group C1 and the C2 that are serially connected mutually, capacitance group C1 and C2 are attempted by current rectifying and wave filtering circuit two outputs, and another input of transformer 6 elementary windings is connected between the capacitance group interior C1 and C2.
Its operation principle, similar with embodiment 2, no longer explanation here.
In a plurality of execution modes of above-mentioned high frequency frequency changer circuit, drive plate 501 models of using are the drive plate of SG3524 or UC3846 or TL494.
Above-described specific embodiment only is preferred embodiment of the present invention, and the equivalent arrangements of being done according to the present patent application claim all should be technology of the present invention and contains such as.
Claims (10)
1. thermatron, it is characterized in that, comprise high frequency frequency changer circuit (1), this high frequency frequency changer circuit (1) is used for heating, the power output of described high frequency frequency changer circuit (1) is between the 200W to 10000W, frequency is between 5000HZ to 10 million HZ, and voltage is between the 0.3V to 37V, and the output of high frequency frequency changer circuit (1) is provided with at least two conductive electrode (2,3).
2. thermatron according to claim 1, it is characterized in that, described high frequency frequency changer circuit (1) comprises current rectifying and wave filtering circuit (4), high frequency driver (5) and transformer (6), current rectifying and wave filtering circuit (4) output is connected with the elementary winding of transformer (6), make electric current after rectification, be delivered to earlier transformer (6) again, described current rectifying and wave filtering circuit (4) input is parallel with high frequency driver (5) input, high frequency driver (5) output connects the elementary winding of transformer (6), makes transformer (6) produce high frequency voltage, electric current.
3. thermatron according to claim 2, it is characterized in that, described high frequency driver (5) comprises drive plate (501) and power tube T1, T2 and sample resistance R1 composition, drive plate (501) input and current rectifying and wave filtering circuit (4) input also connect, the base stage of power tube T1, T2 links to each other with drive plate (501) two outputs respectively, be connected with sample resistance R1 on another output of drive plate (501), power tube T1 emitter links to each other with power tube T2 base stage, and power tube T2 emitter is connected with sample resistance R1.
4. thermatron according to claim 1, it is characterized in that, described high frequency frequency changer circuit (1) comprises current rectifying and wave filtering circuit (4), high frequency driver (5) and transformer (6), high frequency driver (5) is provided with drive plate (501) and bridge converter (502), drive plate (501) input is attempted by the input of current rectifying and wave filtering circuit (4), drive plate (501) output is connected with bridge converter (502), bridge converter (502) also is electrically connected with current rectifying and wave filtering circuit (4) output, bridge converter (502) output and the elementary winding input of transformer (6) join, and make transformer (6) produce high frequency voltage, electric current.
5. thermatron according to claim 4 is characterized in that, described bridge converter (502) is the full-bridge converter that is made of function pipe T3, T4, T5 and T6.
6. thermatron according to claim 5 is characterized in that, described full-bridge converter is connected in series a capacitor C b with elementary winding one end of transformer (6).
7. thermatron according to claim 4 is characterized in that, described bridge converter (502) is the half bridge converter that is made of function pipe T7, T8.
8. thermatron according to claim 7 is characterized in that, described half bridge converter is connected in series a capacitor C b with elementary winding one end of transformer (6).
9. thermatron according to claim 8, it is characterized in that, also comprise the capacitance group C1 and the C2 that are serially connected mutually, capacitance group C1 and C2 are attempted by current rectifying and wave filtering circuit (4) two outputs, and another input of the elementary winding of transformer (6) is connected between the capacitance group interior C1 and C2.
10. according to claim 3 or 4 described thermatrons, it is characterized in that described drive plate (501) is that model is the drive plate of SG3524, UC3846 or TL494.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100262371A CN101257742B (en) | 2008-02-01 | 2008-02-01 | High frequency heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100262371A CN101257742B (en) | 2008-02-01 | 2008-02-01 | High frequency heating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101257742A true CN101257742A (en) | 2008-09-03 |
| CN101257742B CN101257742B (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100262371A Expired - Fee Related CN101257742B (en) | 2008-02-01 | 2008-02-01 | High frequency heating device |
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| CN (1) | CN101257742B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836682A (en) * | 2012-11-26 | 2014-06-04 | 美的集团股份有限公司 | Induction cooker with multiple cooking ranges |
| WO2019095356A1 (en) * | 2017-11-20 | 2019-05-23 | 陈坚胜 | Non-induction water heater |
| CN110149735A (en) * | 2019-05-17 | 2019-08-20 | 何永平 | A kind of electrical heating method and electrothermal driving circuit |
| CN115623626A (en) * | 2022-12-06 | 2023-01-17 | 眉山博雅新材料股份有限公司 | Heating system |
| WO2024119374A1 (en) * | 2022-12-06 | 2024-06-13 | 眉山博雅新材料股份有限公司 | Heating system and high-frequency power supply for heating system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245193Y (en) * | 1994-10-19 | 1997-01-15 | 应宏杰 | Electronic quick water heater |
| CN2341047Y (en) * | 1997-12-05 | 1999-09-29 | 樊东明 | High frequency electromagnetic oven |
| CN2368249Y (en) * | 1999-04-20 | 2000-03-08 | 天津新美房地产有限公司 | Energy-saving liquid electric heater |
| DE10102254A1 (en) * | 2001-01-19 | 2002-08-08 | Celon Ag Medical Instruments | Device for the electrothermal treatment of the human or animal body |
| CN2655583Y (en) * | 2003-11-06 | 2004-11-10 | 霍学明 | Electromagnetic cooking range driving circuit for commerce |
| CN2682971Y (en) * | 2004-03-24 | 2005-03-09 | 霍学明 | Electromagnetic cooking apparatus heating coil full bridge drive circuit |
-
2008
- 2008-02-01 CN CN2008100262371A patent/CN101257742B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836682A (en) * | 2012-11-26 | 2014-06-04 | 美的集团股份有限公司 | Induction cooker with multiple cooking ranges |
| CN103836682B (en) * | 2012-11-26 | 2016-12-21 | 美的集团股份有限公司 | A kind of electromagnetic oven with multiple kitchen range |
| WO2019095356A1 (en) * | 2017-11-20 | 2019-05-23 | 陈坚胜 | Non-induction water heater |
| CN110149735A (en) * | 2019-05-17 | 2019-08-20 | 何永平 | A kind of electrical heating method and electrothermal driving circuit |
| CN115623626A (en) * | 2022-12-06 | 2023-01-17 | 眉山博雅新材料股份有限公司 | Heating system |
| WO2024119374A1 (en) * | 2022-12-06 | 2024-06-13 | 眉山博雅新材料股份有限公司 | Heating system and high-frequency power supply for heating system |
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| Publication number | Publication date |
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| CN101257742B (en) | 2011-01-12 |
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Granted publication date: 20110112 Termination date: 20140201 |