CN204555661U - Tandem type inversion Medium Frequency Induction Heating Furnace - Google Patents
Tandem type inversion Medium Frequency Induction Heating Furnace Download PDFInfo
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- CN204555661U CN204555661U CN201520277363.XU CN201520277363U CN204555661U CN 204555661 U CN204555661 U CN 204555661U CN 201520277363 U CN201520277363 U CN 201520277363U CN 204555661 U CN204555661 U CN 204555661U
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- dsp module
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Abstract
The utility model proposes a kind of tandem type inversion Medium Frequency Induction Heating Furnace, it comprises induction coil, body of heater, transformer compensating controller, rectification circuit, series-resonant inverting circuit, testing circuit and DSP module, it also comprises the first temperature sensor and the second temperature sensor, described first temperature sensor is located at the surface of induction coil and is connected with DSP module, described second temperature sensor is located in body of heater, and is connected with DSP module.Adopt said structure, the temperature on induction coil surface can be detected by the first temperature sensor, and be connected with DSP module, prevent the temperature on the surface of induction coil too high, cause induction coil to damage, power output can be reduced by DSP module when temperature is too high; But also the temperature that can be detected by the second temperature sensor in body of heater, when melting, furnace body temperature can be made to remain within required temperature range.
Description
Technical field
The utility model relates to furnace technology field, is specifically a kind of tandem type inversion Medium Frequency Induction Heating Furnace.
Background technology
Tandem type inversion Medium Frequency Induction Heating Furnace of the prior art generally comprises body of heater, turndown transmission device, operating console, bus, induction coil, resonant capacitance, cooling water channel and Medium-frequency Inverter.Medium-frequency Inverter comprises transformer compensating controller, rectification circuit, series-resonant inverting circuit, testing circuit and DSP module, three-phase input AC electricity enters rectification circuit through transformer compensating controller, power rectifier is that direct current enters series-resonant inverting circuit again by rectification circuit, power inverter becomes alternating current to supply induction coil by series-resonant inverting circuit, the voltage and current signal that the series-resonant inverting circuit detected exports is sent to DSP module by testing circuit, DSP module is carried out analyzing rear output control signal according to electric current and voltage signal and is adjusted transformer compensating controller to transformer compensating controller and output to output voltage in rectification circuit, and the control end of IGCT in series-resonant inverting circuit adjusts the frequency of the power supply of inversion, thus adjustment series-resonant inverting circuit outputs to the power on induction coil.
Although this tandem type inversion Medium Frequency Induction Heating Furnace can realize regulating and controlling the input voltage of rectification circuit by DSP module, and the break-make of the IGCT of series-resonant inverting circuit is regulated and controled, adjust output voltage and frequency, thus adjustment power output, but it cannot detect the temperature on induction coil and the temperature in body of heater, thus according to the temperature on induction coil and the temperature in body of heater, power output is adjusted, intelligence degree is not high.
Utility model content
Technical problem to be solved in the utility model is, overcomes the defect of prior art, provides a kind of tandem type inversion Medium Frequency Induction Heating Furnace that can adjust power output according to the temperature on induction coil and the temperature in body of heater.
For solving the problems of the technologies described above, the utility model proposes a kind of tandem type inversion Medium Frequency Induction Heating Furnace, it comprises induction coil, body of heater, transformer compensating controller, rectification circuit, series-resonant inverting circuit, testing circuit and DSP module, the described output of transformer compensating controller is connected with the input of rectification circuit, the output of rectification circuit is connected with the input of series-resonant inverting circuit, the output of series-resonant inverting circuit is connected with induction coil, described testing circuit is connected with the output of series-resonant inverting circuit, and be connected with DSP module, described DSP module is also connected with the control end of transformer compensating controller and the control end of series-resonant inverting circuit, it is characterized in that, it also comprises the first temperature sensor and the second temperature sensor, described first temperature sensor is located at the surface of induction coil and is connected with DSP module, described second temperature sensor is located in body of heater, and be connected with DSP module.
Adopt said structure, the temperature on induction coil surface can be detected by the first temperature sensor, and be connected with DSP module, prevent the temperature on the surface of induction coil too high, cause induction coil to damage, power output can be reduced by DSP module when temperature is too high; But also the temperature that can be detected by the second temperature sensor in body of heater, when melting, furnace body temperature can be made to remain within required temperature range.
As improvement, it also comprises warning device, and described warning device is connected with DSP module.
Described warning device adopts audible-visual annunciator.Adopt said structure, when induction coil temperature is too high, can sound and light alarm be carried out, and output of cutting off the electricity supply, ensure the security of electric furnace.
Accompanying drawing explanation
Fig. 1 is frame structure schematic diagram of the present utility model;
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1, the utility model proposes a kind of tandem type inversion Medium Frequency Induction Heating Furnace, it comprises induction coil, body of heater, transformer compensating controller, rectification circuit, series-resonant inverting circuit, testing circuit and DSP module, the described output of transformer compensating controller is connected with the input of rectification circuit, the output of rectification circuit is connected with the input of series-resonant inverting circuit, the output of series-resonant inverting circuit is connected with induction coil, described testing circuit is connected with the output of series-resonant inverting circuit, and be connected with DSP module, described DSP module is also connected with the control end of transformer compensating controller and the control end of series-resonant inverting circuit, it is characterized in that, it also comprises the first temperature sensor and the second temperature sensor, described first temperature sensor is located at the surface of induction coil and is connected with DSP module, described second temperature sensor is located in body of heater, and be connected with DSP module.
Described series-resonant inverting circuit adopts the series-resonant inverting circuit of prior art, and it can sine wave output electric current, to melting material helps.And harmonic wave is little, less to the interference of other electric equipment.
Adopt said structure, the temperature on induction coil surface can be detected by the first temperature sensor, and be connected with DSP module, prevent the temperature on the surface of induction coil too high, cause induction coil to damage, power output can be reduced by DSP module when temperature is too high; But also the temperature that can be detected by the second temperature sensor in body of heater, when melting, furnace body temperature can be made to remain within required temperature range.
As improvement, it also comprises warning device, and described warning device is connected with DSP module.
Described warning device adopts audible-visual annunciator.Adopt said structure, when induction coil temperature is too high, can sound and light alarm be carried out, and output of cutting off the electricity supply, ensure the security of electric furnace.
Claims (3)
1. a tandem type inversion Medium Frequency Induction Heating Furnace, it comprises induction coil, body of heater, transformer compensating controller, rectification circuit, series-resonant inverting circuit, testing circuit and DSP module, the described output of transformer compensating controller is connected with the input of rectification circuit, the output of rectification circuit is connected with the input of series-resonant inverting circuit, the output of series-resonant inverting circuit is connected with induction coil, described testing circuit is connected with the output of series-resonant inverting circuit, and be connected with DSP module, described DSP module is also connected with the control end of transformer compensating controller and the control end of series-resonant inverting circuit, it is characterized in that, it also comprises the first temperature sensor and the second temperature sensor, described first temperature sensor is located at the surface of induction coil and is connected with DSP module, described second temperature sensor is located in body of heater, and be connected with DSP module.
2. tandem type inversion Medium Frequency Induction Heating Furnace according to claim 1, it is characterized in that: it also comprises warning device, described warning device is connected with DSP module.
3. tandem type inversion Medium Frequency Induction Heating Furnace according to claim 2, is characterized in that: described warning device adopts audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277363.XU CN204555661U (en) | 2015-04-30 | 2015-04-30 | Tandem type inversion Medium Frequency Induction Heating Furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277363.XU CN204555661U (en) | 2015-04-30 | 2015-04-30 | Tandem type inversion Medium Frequency Induction Heating Furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204555661U true CN204555661U (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520277363.XU Expired - Fee Related CN204555661U (en) | 2015-04-30 | 2015-04-30 | Tandem type inversion Medium Frequency Induction Heating Furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204555661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749192A (en) * | 2019-10-24 | 2020-02-04 | 衢州学院 | Temperature control method and device for intermediate frequency furnace |
| CN117348499A (en) * | 2023-11-24 | 2024-01-05 | 山东鼎晟电气科技有限公司 | Remote regulation and control system based on series resonance intermediate frequency induction smelting furnace |
-
2015
- 2015-04-30 CN CN201520277363.XU patent/CN204555661U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749192A (en) * | 2019-10-24 | 2020-02-04 | 衢州学院 | Temperature control method and device for intermediate frequency furnace |
| CN110749192B (en) * | 2019-10-24 | 2021-02-02 | 衢州学院 | Temperature control method and device for intermediate frequency furnace |
| CN117348499A (en) * | 2023-11-24 | 2024-01-05 | 山东鼎晟电气科技有限公司 | Remote regulation and control system based on series resonance intermediate frequency induction smelting furnace |
| CN117348499B (en) * | 2023-11-24 | 2024-02-27 | 山东鼎晟电气科技有限公司 | Remote regulation and control system based on series resonance intermediate frequency induction smelting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20200430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |