CN111726894A - High-frequency electric wave heating system and control method - Google Patents
High-frequency electric wave heating system and control method Download PDFInfo
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- CN111726894A CN111726894A CN202010557640.8A CN202010557640A CN111726894A CN 111726894 A CN111726894 A CN 111726894A CN 202010557640 A CN202010557640 A CN 202010557640A CN 111726894 A CN111726894 A CN 111726894A
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- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
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- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/0004—Devices wherein the heating current flows through the material to be heated
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- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/0019—Circuit arrangements
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- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/0019—Circuit arrangements
- H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
- A61F2007/0077—Details of power supply
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Abstract
The invention belongs to the technical field of electronic equipment, and particularly relates to a high-frequency electric wave heating system which comprises a power supply module, a high-frequency regulation and control module, a high-frequency current generation module and a coupling output module, wherein the high-frequency regulation and control module is provided with a modulation unit, the modulation unit is used for providing a square wave signal with adjustable duty ratio and regulating and controlling the output current of the high-frequency current generation module, the modulation unit is respectively connected with the power supply module and the high-frequency current generation module, the high-frequency current generation module is connected with the coupling output module, and the coupling output module is used for receiving the output current of the high-frequency. The invention effectively promotes the safe output of high-frequency electric waves and effectively improves the stability and controllability of high-frequency electric wave heating. In addition, the invention also provides a high-frequency electric wave heating control method.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to a high-frequency electric wave heating system and a control method.
Background
In the theory of electronics, current flows through a conductor, and a magnetic field is formed around the conductor; while an alternating current passes through the conductor, an alternating electromagnetic field is formed around the conductor, which is called an electromagnetic wave. Also, alternating current that changes more than 10000 times per second may be referred to as high-frequency current, and when the high-frequency current passes through a conductor, an electromagnetic field formed around the conductor is a high-frequency electromagnetic wave. In addition, when alternating current or alternating electromagnetic field exists in the conductor, the current distribution in the conductor is uneven, the current is concentrated on the skin part of the conductor, namely, the current is concentrated on the thin layer on the outer surface of the conductor, the current density is higher and the current in the conductor is smaller, and under the condition of high-frequency current, the human body is equivalent to the conductor, and the high-frequency current flows on the surface of the human body, so that the human body cannot be damaged.
However, the inventor finds that the existing electric wave heating system has low safety performance, low reliability and poor control effect, can not accurately output required current, and can not meet the heating requirement of timing and quantification. Therefore, it is necessary to provide a novel high-frequency electric wave heating system and a novel high-frequency electric wave heating control method to solve the above problems.
Disclosure of Invention
One of the objects of the present invention is: aiming at the defects of the prior art, the high-frequency electric wave heating system is compact in structure, good in operation stability and strong in control performance, can accurately output required current, and can meet the heating requirements of timing and quantification.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high frequency electric wave heating system, includes power module, high frequency regulation and control module, high frequency current generation module and coupling output module, high frequency regulation and control module is provided with the modulating unit, the modulating unit is used for providing duty ratio adjustable square wave signal and regulation and control the output current of high frequency current generation module, the modulating unit respectively with power module with high frequency current generation module connects, high frequency current generation module with coupling output module connects, coupling output module is used for receiving the output current of high frequency current generation module and the production of heat, coupling output module can set up one or more.
Further, the high frequency regulation and control module is provided with the control unit that is used for regulating and control heating system to open and stop, control unit respectively with power module with at least one kind in the high frequency current generation module, control unit can be STM32 singlechip, arduino controller, Cortex-M3 controller, Cortex-M4 controller, the PLC controller, after control unit sent the running instruction, high frequency electric wave heating system started the operation, the high frequency current generation module receives the modulation of high frequency regulation and control module.
Further, the modulation unit is configured to provide a square wave signal with an adjustable duty cycle and a frequency range of 20kHz to 80kHz, where the square wave signal may be a square wave with a frequency at any point in the range of 20kHz to 80kHz (e.g., 20.5kHz, 30kHz, 40kHz, 45.5kHz, 50kHz, 60kHz, 70kHz, etc.), and by adjusting the duty cycle and the pulse width of the square wave, the high-frequency current generation module is configured to output currents with different energy intensities, so that the coupling output module generates heat with different temperatures.
Further, the high-frequency current generation module is provided with a sine wave generation unit, the sine wave generation unit is used for generating sine waves with the frequency range of 300 KHz-2 MHz, the sine wave generation unit is connected with the modulation unit, the frequency of the sine waves can be any frequency (such as 300.5kHz, 650kHz, 870kHz, 1010.5kHz, 1.2MHz, 1.6MHz, 1.89MHz and the like) in the range of 300 kHz-2 MHz, and the safety of electromagnetic waves in the frequency range to a human body is high, so that the safety of the heating system is obviously enhanced.
Further, the high-frequency current generation module is provided with a signal output unit, the signal output unit is used for outputting a waveform signal synthesized by the square wave signal of the modulation unit and the sine wave of the sine wave generation unit, the signal output unit is respectively connected with the sine wave generation unit and the coupling output module, and the waveform signal output by the signal output unit is a synthesized dual-frequency high-frequency signal.
Furthermore, the coupling output module comprises a conductor and a diaphragm, the high-frequency current generation module is connected with the conductor, the signal output unit is connected with the conductor through a lead, and the diaphragm covers the conductor, so that direct contact between the conductor and a human body is avoided, non-electric contact between the human body and a heating system is realized, and the safety of the operation of the heating system is effectively improved.
Further, the shape of the conductor is an arc-shaped body, a square body or a cylinder.
Further, the diaphragm is made of polyaryletherketone, polyimide, polyetheretherketone, polytetrafluoroethylene or ethylene propylene diene monomer.
Further, the power supply module is provided with an AC-DC conversion unit, the AC-DC conversion unit is provided with an AC-DC conversion circuit, an output end of the AC-DC conversion unit is connected with the high-frequency regulation and control module and the high-frequency current generation module, and the AC-DC conversion unit may be provided with one or more than one.
Furthermore, the modulation unit is provided with a hysteresis comparator with inverting input and an RC integrating circuit, the hysteresis comparator with inverting input is provided with an OP07 operational amplifier chip, the RC integrating circuit is provided with an LM741 chip, and the OP07 operational amplifier chip is connected with the LM741 chip to realize square wave output.
Furthermore, the modulation unit is provided with a 555 timing chip, and the 555 timing chip is connected with the square wave generating circuit with adjustable duty ratio, so that a square wave generator with adjustable duty ratio is formed, and required square wave signals can be output.
Furthermore, the modulation unit is provided with an MCU chip or an ARM chip, and the output of the square wave with adjustable duty ratio in any frequency range can be realized by programming the MCU chip or the ARM chip.
Further, the sine wave generating unit is provided with a MAX038 chip, and the MAX038 chip can generate a sine wave with an output frequency of 300 kHz-2 MHz.
Further, the sine wave generating unit is provided with an ARM chip, a power amplification chip, a waveform conversion circuit and a filter circuit, wherein the ARM chip, the power amplification chip, the waveform conversion circuit and the filter circuit are sequentially connected, the ARM chip can generate a square wave signal with the output frequency of 300 kHz-2 MHz, the power amplification chip can amplify the square wave signal and generate a high-frequency and high-power square wave current with the frequency of 300 kHz-2 MHz, the waveform conversion circuit and the filter circuit can form a waveform conversion filter, and the waveform conversion circuit and the filter circuit convert the high-frequency and high-power square wave current into the high-frequency and high-power sine wave current, so that the sine wave generating unit outputs 300 kHz-2 MHz sine waves.
Further, the sine wave generating unit can generate sine waves with frequencies of 300 kHz-600 kHz, 600 kHz-900 kHz, 900 kHz-1.2 MHz, 1.2 MHz-1.6 MHz and 1.6 MHz-2 MHz.
Further, the signal output unit is provided with a DSP chip or an FPGA chip, and the high-frequency current generation module outputs the required high-frequency current under the processing of the DSP chip or the FPGA chip.
The second purpose of the invention is: in order to overcome the defects of the prior art, the high-frequency electric wave heating control method comprises the following steps:
s1, starting a power supply module;
s2, modulating the output current of the high-frequency current generation module by the high-frequency regulation module;
and S3, receiving the output current of the high-frequency current generation module by the coupling output module to generate heat.
Further, the S2 includes:
s2-1, the high-frequency regulation and control module outputs square wave signals, and the high-frequency current generation module generates sine wave signals;
s2-2, modulating and filtering the square wave signal and the sine wave signal to enable the high-frequency current generation module to output the required high-frequency current.
The invention has the beneficial effects that: 1) the heating system comprises a power supply module, a high-frequency regulation and control module, a high-frequency current generation module and a coupling output module, wherein the high-frequency regulation and control module is respectively connected with the power supply module and the high-frequency current generation module; 2) the high-frequency regulation and control module is provided with the modulation unit, the modulation unit is used for providing the square wave signal with adjustable duty ratio and regulating and controlling the output current of the high-frequency current generation module, obviously, the modulation unit has excellent regulation and control performance, and the high-frequency current generation module can output the required high-frequency current, so that the safety performance of a heating system is guaranteed; 3) the control method of the invention can reasonably regulate and control the output of heat, thereby leading the human body to obtain controllable heat.
Drawings
Fig. 1 is a block diagram of a heating system of the present invention.
Fig. 2 is a waveform diagram of a square wave output by the high frequency regulation module of the present invention.
FIG. 3 is a waveform diagram of a sine wave generated by the high-frequency current generating module according to the present invention.
Fig. 4 is a schematic diagram of the square wave and sine wave synthesized dual frequency high frequency signal of the present invention.
Fig. 5 is a schematic structural view of the heating system of the present invention.
FIG. 6 is a flow chart of the control method of the present invention.
Wherein: 1-a power supply module; 2-a high frequency regulation module; 3-a high-frequency current generating module; 4-coupling out module.
Detailed Description
As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to the accompanying drawings 1 to 6 and specific examples, but the present invention is not limited thereto.
Example 1
The utility model provides a high frequency electric wave heating system, including power module 1, high frequency regulation and control module 2, high frequency current generation module 3 and coupling output module 4, high frequency regulation and control module 2 is provided with the modulating unit, the modulating unit is used for providing duty ratio adjustable square wave signal, and regulate and control the output current of high frequency current generation module 3, the modulating unit is connected with power module 1 and high frequency current generation module 3 respectively, high frequency current generation module 3 is connected with coupling output module 4, coupling output module 4 is used for receiving the output current of high frequency current generation module 3 and producing heat, wherein, coupling output module 4 is provided with a plurality ofly.
Preferably, the modulation unit is configured to provide a square wave signal with an adjustable duty cycle and a frequency range of 20kHz to 80kHz, and by adjusting the duty cycle and the pulse width of the square wave, the high-frequency current generation module 3 outputs currents with different energy intensities, so that the coupling output module 4 generates different heats, where fig. 2 is a schematic diagram of the square wave.
The modulation unit is provided with a hysteresis comparator with inverting input and an RC integrating circuit, the hysteresis comparator with inverting input is provided with an OP07 operational amplifier chip, the RC integrating circuit is provided with an LM741 chip, and the OP07 operational amplifier chip is connected with the LM741 chip to achieve square wave output.
Preferably, the high-frequency current generating module 3 is provided with a sine wave generating unit for generating a sine wave having a frequency range of 300KHz to 2MHz, the sine wave generating unit is connected with the modulating unit, and the safety of the electromagnetic wave in this frequency range to the human body is high, thereby significantly enhancing the safety of the heating system, and fig. 3 is a schematic view of the sine wave.
The sine wave generating unit is provided with an ARM chip, a power amplification chip, a waveform conversion circuit and a filter circuit, wherein the ARM chip, the power amplification chip, the waveform conversion circuit and the filter circuit are sequentially connected, the ARM chip can generate a square wave signal with the output frequency of 300 kHz-2 MHz, the power amplification chip can amplify the square wave signal and generate a high-frequency high-power square wave current with the frequency of 300 kHz-2 MHz, the waveform conversion circuit and the filter circuit can form a waveform conversion filter, and the waveform conversion circuit and the filter circuit convert the high-frequency high-power square wave current into the high-frequency high-power sine wave current, so that the sine wave generating unit outputs 300 kHz-2 MHz sine waves.
Preferably, the high-frequency current generating module 3 is provided with a signal output unit, the signal output unit is used for outputting a waveform signal synthesized by a square wave signal of the modulating unit and a sine wave of the sine wave generating unit, and the signal output unit is respectively connected with the sine wave generating unit and the coupling output module 4, the waveform signal output by the signal output unit is a synthesized dual-frequency high-frequency signal, fig. 4 is a schematic diagram of a dual-frequency high-frequency signal synthesized by modulating the square wave and the sine wave, after modulation, the output waveform has a certain duty ratio, and the dual-frequency high-frequency signal has current output when the dual-frequency high-frequency signal is at a high level, and the heating system has no current output when the dual-frequency high-frequency signal is.
The signal output unit is provided with an FPGA chip, and the model of the FPGA chip can be EP4CE10F17C8N or EP4CE6E22C 8N.
Preferably, the coupling output module 4 comprises a conductor and a diaphragm, the high-frequency current generation module 3 is connected with the conductor, the output end of the signal output unit is connected with the conductor, and under the action of skin effect, the conductor can generate heat, so that the coupling output module 4 can heat the human body, thereby promoting the blood circulation of the human body, improving the blood oxygen concentration of the human body, playing the roles of warm keeping and health care on the human body, and the diaphragm covers the conductor to realize the non-electrical contact between the conductor and the human body.
The conductor is preferably in the shape of an arc, square or cylinder, and may also be provided in other corresponding geometries.
Preferably, the material of the diaphragm is polyaryletherketone, polyimide, polyetheretherketone, polytetrafluoroethylene or ethylene propylene diene monomer, and the material of the diaphragm can also be other corresponding high-temperature-resistant insulating materials.
Preferably, the power supply module 1 is provided with an AC-DC conversion unit, and the output end of the AC-DC conversion unit is respectively connected with the high-frequency regulation and control module 2 and the high-frequency current generation module 3.
As shown in fig. 5, the power supply module 1, the high-frequency regulation and control module 2 and the high-frequency current generation module 3 of the heating system of the present application are all disposed in the housing, the coupling output module 4 is disposed outside the housing, the coupling output module 4 is connected with the high-frequency current generation module 3 in the housing through a wire coated with an insulating layer, and when the coupling output module 4 receives the output current of the high-frequency current generation module 3 and generates heat, heat energy can be provided for the human body.
The operation process of the invention comprises the following steps: the input end of the power supply module 1 is connected with 220V alternating current, under the action of the AC-DC conversion module, the 220V alternating current is converted into 12-48V direct current, the output end of the power supply module 1 respectively transmits the direct current to the high-frequency regulation and control module 2 and the high-frequency current generation module 3 so as to enable the high-frequency regulation and control module 2 and the high-frequency current generation module 3 to enter an operation mode, the regulation and control module 2 outputs 20-80 kHz square waves, the high-frequency current generation module 3 outputs currents with different energy intensities by adjusting the pulse width of the square waves, the coupling output module 4 receives the output currents of the high-frequency current generation module 3, and therefore required heat is generated.
Example 2
The difference between this embodiment and embodiment 1 is that the high-frequency regulation and control module 2 is further provided with a control unit for regulating and controlling the start and stop of the heating system, and the control unit is respectively connected with the power supply module 1 and the high-frequency current generation module 3.
The control unit is a Cortex-M4 controller and is connected with a timing circuit and a plurality of DC-DC booster circuits, the timing circuit can enable the heating system to output required energy within preset time, the timing circuit is provided with a 555 timing chip and a 74LSl92 chip which are connected, in addition, each DC-DC booster circuit represents an amplitude adjusting gear, under the regulation and control of the control unit, the high-frequency current generation module 3 can accurately output required current, and the coupling output module 4 connected with the high-frequency current generation module 3 meets the heating requirement of timing and quantification.
Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.
Example 3
A high-frequency electric wave heating control method includes:
s1, starting the power supply module 1;
s2, the high-frequency regulation module 2 modulates the output current of the high-frequency current generation module 3;
s3, the coupling output module 4 receives the output current of the high-frequency current generating module 3, and generates heat.
Preferably, S2 includes:
s2-1, the high-frequency regulation module 2 outputs square wave signals, and the high-frequency current generation module 3 generates sine wave signals;
and S2-2, modulating and filtering the square wave signal and the sine wave signal to enable the high-frequency current generation module 3 to output the required high-frequency current.
The high-frequency regulation module 2 is used for regulating and controlling the output current of the high-frequency current generation module 3 by outputting square waves with the frequency of 20 kHz-80 kHz and adjusting the pulse width, the high-frequency regulation module 2 is used for generating square waves with the frequency of 20 kHz-80 kHz, the high-frequency current generation module 3 is used for generating sine waves with the frequency of 300 kHz-2 MHz, and the high-frequency current generation module 3 is used for outputting high-frequency and high-power current by modulating and filtering the square waves with the frequency of 20 kHz-80 kHz and the sine waves with the frequency of 300 kHz-2 MHz.
Obviously, the high-frequency regulation and control module 2 is provided with a modulation unit, the modulation unit is used for providing a square wave signal with adjustable duty ratio and regulating and controlling the output current of the high-frequency current generation module 3, the modulation unit has excellent regulation and control performance, and the high-frequency current generation module 3 can output the required high-frequency current, so that the safety performance of a heating system is guaranteed, the safety of system operation is guaranteed, the output of heat can be reasonably regulated and controlled, and a human body can obtain controllable heat.
Variations and modifications to the above-described embodiments may also occur to those skilled in the art, which fall within the scope of the invention as disclosed and taught herein. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious improvement, replacement or modification made by those skilled in the art based on the present invention is within the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A high-frequency electric wave heating system characterized in that: including power module (1), high frequency regulation and control module (2), high frequency current generation module (3) and coupling output module (4), high frequency regulation and control module (2) is provided with the modulation unit, the modulation unit is used for providing duty cycle adjustable square wave signal and regulation and control the output current of high frequency current generation module (3), the modulation unit respectively with power module (1) with high frequency current generation module (3) are connected, high frequency current generation module (3) with coupling output module (4) are connected, coupling output module (4) are used for receiving the output current of high frequency current generation module (3) and production of heat.
2. The high-frequency electric wave heating system according to claim 1, characterized in that: the high-frequency regulation and control module (2) is provided with a control unit for regulating and controlling the starting and stopping of the heating system, and the control unit is respectively connected with the power supply module (1) and the high-frequency current generation module (3).
3. The high-frequency electric wave heating system according to claim 1, characterized in that: the modulation unit is used for providing a square wave signal with the adjustable duty ratio and the frequency range of 20 kHz-80 kHz.
4. The high-frequency electric wave heating system according to claim 1, characterized in that: the high-frequency current generation module (3) is provided with a sine wave generation unit, the sine wave generation unit is used for generating sine waves with the frequency range of 300 KHz-2 MHz, and the sine wave generation unit is connected with the modulation unit.
5. The high-frequency electric wave heating system according to claim 4, characterized in that: the high-frequency current generation module (3) is provided with a signal output unit, the signal output unit is used for outputting a waveform signal synthesized by a square wave signal of the modulation unit and a sine wave of the sine wave generation unit, and the signal output unit is respectively connected with the sine wave generation unit and the coupling output module (4).
6. The high-frequency electric wave heating system according to claim 1, characterized in that: the coupling-out module (4) comprises a conductor and a diaphragm, the high-frequency current generation module (4) is connected with the conductor, and the diaphragm covers the conductor.
7. The high-frequency electric wave heating system according to claim 6, characterized in that: the conductor is in an arc shape, a square shape or a cylinder shape, and the diaphragm is made of polyaryletherketone, polyimide, polyetheretherketone, polytetrafluoroethylene or ethylene propylene diene monomer.
8. The high-frequency electric wave heating system according to claim 1, characterized in that: the power supply module (1) is provided with an AC-DC conversion unit, and the output end of the AC-DC conversion unit is respectively connected with the high-frequency regulation and control module (2) and the high-frequency current generation module (3).
9. A high-frequency electric wave heating control method is characterized by comprising the following steps:
s1, starting a power supply module (1);
s2, modulating the output current of the high-frequency current generation module (3) by the high-frequency regulation module (2);
and S3, receiving the output current of the high-frequency current generation module (3) by the coupling output module (4) to generate heat.
10. The high-frequency electric wave heating control method according to claim 9, wherein S2 includes:
s2-1, the high-frequency regulation and control module (2) outputs square wave signals, and the high-frequency current generation module (3) generates sine wave signals;
s2-2, modulating and filtering the square wave signal and the sine wave signal to enable the high-frequency current generation module (3) to output the required high-frequency current.
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| CN2656877Y (en) * | 2003-11-15 | 2004-11-17 | 蒋明清 | Electromagnetic inductive instant heating electric water heater |
| CN101073291A (en) * | 2004-10-19 | 2007-11-14 | 松下电器产业株式会社 | High-frequency heating power source |
| CN202998534U (en) * | 2012-11-14 | 2013-06-12 | 明达实业(厦门)有限公司 | Electromagnetic field generator circuit structure |
| CN109587854A (en) * | 2017-09-29 | 2019-04-05 | 毛运蓉 | High-frequency induction heating apparatus that can be wide with step |
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2020
- 2020-06-18 CN CN202010557640.8A patent/CN111726894B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2656877Y (en) * | 2003-11-15 | 2004-11-17 | 蒋明清 | Electromagnetic inductive instant heating electric water heater |
| CN101073291A (en) * | 2004-10-19 | 2007-11-14 | 松下电器产业株式会社 | High-frequency heating power source |
| CN202998534U (en) * | 2012-11-14 | 2013-06-12 | 明达实业(厦门)有限公司 | Electromagnetic field generator circuit structure |
| CN109587854A (en) * | 2017-09-29 | 2019-04-05 | 毛运蓉 | High-frequency induction heating apparatus that can be wide with step |
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