CN111935862A - Intelligent induction heating power supply - Google Patents

Intelligent induction heating power supply Download PDF

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Publication number
CN111935862A
CN111935862A CN202010808191.XA CN202010808191A CN111935862A CN 111935862 A CN111935862 A CN 111935862A CN 202010808191 A CN202010808191 A CN 202010808191A CN 111935862 A CN111935862 A CN 111935862A
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China
Prior art keywords
module
power supply
intelligent
signal
signals
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Withdrawn
Application number
CN202010808191.XA
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Chinese (zh)
Inventor
江国清
刘又红
谢文武
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Shanghai Heatking Induction Technology Corp
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Shanghai Heatking Induction Technology Corp
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Priority to CN202010808191.XA priority Critical patent/CN111935862A/en
Publication of CN111935862A publication Critical patent/CN111935862A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/66Circuits
    • H05B6/68Circuits for monitoring or control
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/66Circuits

Abstract

The application relates to an intelligent induction heating power supply, which relates to the technical field of power supplies and comprises a power supply module, a power supply module and a control module, wherein the power supply module is used for providing a power supply; the intelligent inversion module comprises a master station intelligent inversion module and a slave station intelligent inversion module, and is connected with the power supply module through signals and used for converting direct-current electric signals into alternating-current electric signals and outputting high-frequency electric signals; the control processing module is in signal connection with the power supply module and the intelligent inversion module, and is used for controlling the working load, acquiring data and outputting signals to the intelligent inversion module; and the signal output module is in signal connection with the intelligent inversion module and used for integrating the output signals of the intelligent inversion module and outputting the signals at the same time. This application can realize the contravariant module of different power through the setting of master station intelligence contravariant module and slave station intelligence contravariant module to have the signal of exporting differently, so that be adapted to multiple demand, and whether staff only need adjust slave station intelligence contravariant module work can, the staff of being convenient for operates.

Description

Intelligent induction heating power supply
Technical Field
The application relates to the technical field of power supplies, in particular to an intelligent induction heating power supply.
Background
The induction heating power supply is an important branch of the switching power supply, and is widely applied to various industries due to high heating efficiency, high speed, low consumption and environmental protection. In the use process of the induction heating power supply, the output of the induction heating power supply needs to be dynamically controlled according to the requirements of a load connected with the induction heating power supply.
In the related art, the inverter module is usually set to a fixed power, and in order to adjust an output signal, the inverter module with different power needs to be replaced; the basic principle is as follows: the three-phase alternating current power frequency voltage is subjected to uncontrolled rectification and filtering to be used as direct current bus voltage. And triggering the power device to be conducted by using a switching signal with a certain frequency so as to generate an alternating current signal, and heating the conductor by using the high-frequency alternating current signal.
For the related technologies, the inventor thinks that steps such as debugging are needed after replacing the inverter modules with different powers, so that the replaced inverter modules can work normally, and the steps such as replacing and debugging need to take time, thereby increasing the time cost.
Disclosure of Invention
In order to facilitate the staff stack with the power of quick change contravariant module, this application provides an intelligence induction heating power.
The application provides a pair of intelligence induction heating power adopts following technical scheme:
an intelligent induction heating power supply comprising:
the power supply module is used for providing power supply;
the intelligent inversion module is in signal connection with the power supply module and is used for converting a direct-current electric signal into an alternating-current electric signal and outputting a high-frequency electric signal;
the control processing module is in signal connection with the power supply module and the intelligent inversion module, and is used for controlling a working load, acquiring data and outputting a signal to the intelligent inversion module; and the number of the first and second groups,
the signal output module is in signal connection with the intelligent inversion module and is used for integrating output signals of the intelligent inversion module and outputting the signals at the same time;
wherein the intelligent inverter module comprises:
the intelligent master station inversion module is in signal connection with the power supply module, the control processing module and the signal output module and is used for converting the direct current signal into a high-frequency electric signal and outputting the high-frequency electric signal; and the number of the first and second groups,
and the slave station intelligent inversion module is in signal connection with the power supply module, the master station intelligent inversion module and the signal output module and is used for converting direct current into high-frequency electric signals and outputting the high-frequency electric signals.
By adopting the technical scheme, the power supply module supplies power to the intelligent inversion module and the control processing module, the intelligent inversion module carries out inversion processing on signals, the control processing module detects the working state of the data processing module in real time, and the signals subjected to inversion processing by the intelligent inversion module are output through the signal output module; through the setting of master station intelligence contravariant module and slave station intelligence contravariant module, can realize the contravariant module adjustment of different powers fast through the superimposed mode to output different signals, so that be adapted to multiple demand, and whether staff only need adjust slave station intelligence contravariant module can, convenient operation.
Preferably, the priority of the master station intelligent inverter module is greater than the priority of the slave station intelligent inverter module.
Through adopting above-mentioned technical scheme, main website intelligence contravariant module is the first module of contravariant processing signal, and when required power is lower, the staff carries out the processing of contravariant signal through main website contravariant module earlier.
Preferably, a plurality of slave station intelligent inverter modules are provided.
Through adopting above-mentioned technical scheme, the setting of a plurality of slave station intelligence contravariant modules can realize the contravariant signal processing function of multiple different power, exports different signals, is adapted to multiple demand.
Preferably, the power supply module includes:
the pre-charging module is used for accessing a three-phase power supply;
the DC control power supply module is connected with a three-phase power supply and is in signal connection with the control processing module and used for providing a direct-current power supply to the control processing module; and the number of the first and second groups,
and the rectification module is in signal connection with the pre-charging module and the intelligent inversion module and is used for rectifying the output signal of the pre-charging module and then inputting the rectified output signal into the intelligent inversion module.
By adopting the technical scheme, the rectification module and the pre-charge module both take electricity through a three-phase power supply; the rectification module converts the accessed three-phase power supply signal into a direct-current power supply signal suitable for the control processing module; the pre-charging module converts the accessed three-phase power supply signal into a power supply signal suitable for the DC control power supply module, and then the power supply signal is rectified by the DC control power supply module and then input into the intelligent inversion module.
Preferably, the signal output module includes:
and the LC oscillating circuit module is in signal connection with the master station intelligent inverter module and the slave station intelligent inverter module and is used for integrating output signals of the master station intelligent inverter module and the slave station intelligent inverter module and outputting sine waves.
By adopting the technical scheme, the LC oscillating circuit module converges output signals of the master station intelligent inverter module and the slave station intelligent inverter modules, and then carries out oscillation processing and outputs the signals.
Preferably, the control processing module includes:
the HMI control module is in signal connection with the power supply module and is used for controlling the working load and starting the working frequency;
and the data processing module is in signal connection with the HMI control module and the main station intelligent inversion module and is used for acquiring data signals, comparing the data signals of the intelligent inversion module with a preset threshold value and controlling the main station intelligent inversion module.
By adopting the technical scheme, the HMI control module and the data processing module supply power through the DC control power supply module, and the HMI control module realizes the control of the working load and the starting working frequency; the data processing module collects signals of the HMI control module and signals of an external upper computer and converts the signals into signals suitable for the intelligent inversion module.
Preferably, the control processing module further includes:
and the bus control port module is in signal connection with the data processing module and the main station intelligent inverter module and is used for carrying out signal transmission between the data processing module and the main station intelligent inverter module.
By adopting the technical scheme, the bus control port module is convenient for the data processing module to transmit data between the main station intelligent modules.
Preferably, the control processing module further includes:
and the signal detection module is in signal connection with the signal output module and the data processing module, and is used for detecting the signal of the signal output module and feeding back the signal to the data processing module.
By adopting the technical scheme, the signal of the signal output module is detected in real time, fed back to the data processing module and adjusted, so that the signal output to the main station intelligent inverter module by the data processing module is more in line with the output signal required by a worker.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the power supply module supplies power to the intelligent inversion module and the control processing module, the intelligent inversion module carries out inversion processing on signals, the control processing module detects the working state of the data processing module in real time, and the signals subjected to inversion processing by the intelligent inversion module are output through the signal output module; through the arrangement of the master station intelligent inverter module and the slave station intelligent inverter module, the inverter modules with different powers can be quickly adjusted in a superposition mode, so that different signals are output to adapt to various requirements, and a worker only needs to adjust whether the slave station intelligent inverter module works or not, so that the operation is convenient;
2. furthermore, through the arrangement of the LC oscillating circuit module, after output signals of the master station intelligent inverter module and the slave station intelligent inverter modules are converged, oscillation processing is performed, and signals are output.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present application.
Fig. 2 is a schematic circuit diagram of the master station intelligent inverter module, the slave station intelligent inverter module, and the LC oscillating circuit module according to the embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses intelligence induction heating power. Referring to fig. 1, the intelligent induction heating power supply comprises a power supply module, an intelligent inversion module, a control processing module and a signal output module.
The power module is used for providing power and maintaining the normal operation of the whole circuit.
The power supply module comprises a pre-charging module, a DC control power supply module and a rectifying module.
The pre-charging module is used for connecting a three-phase power supply; the DC control power supply module and the pre-charging module are simultaneously connected with a three-phase power supply and are in signal connection with the control processing module, and the DC control power supply module and the pre-charging module are used for providing a direct-current power supply to the control processing module; the rectification module is in signal connection with the pre-charging module and the intelligent inversion module and is used for rectifying an output signal of the pre-charging module and inputting the rectified output signal into the intelligent inversion module.
The DC control power supply module adopts a 24V DC control power supply, and the rectifying module adopts an uncontrolled rectifying bridge.
The intelligent inversion module is in signal connection with the power supply module and is used for converting the direct-current electric signal into an alternating-current electric signal and outputting a high-frequency electric signal; the intelligent inversion module comprises a master station intelligent inversion module and a plurality of slave station intelligent inversion modules which are connected in parallel; the master station intelligent inverter module and the slave station intelligent inverter module can both form an inverter switch so as to change phases.
And the main station intelligent inverter module is in signal connection with the power supply module, the control processing module and the signal output module and is used for converting the direct current signal into a high-frequency electric signal and outputting the high-frequency electric signal.
Referring to fig. 2, the master station intelligent inverter module includes a chip capacitor C1 and a chip capacitor C2 connected in series, wherein the positive electrode of the chip capacitor C1 is connected to the positive input end of the dc signal, and the negative electrode of the chip capacitor C2 is connected to the negative input end of the dc signal.
The positive electrode of the chip capacitor C1 is further connected with the drain electrode of an NMOS transistor Q1 by signals, the source electrode of an NMOS transistor Q1 is connected with the drain electrode of an NMOS transistor Q2 by signals and the positive electrode of the primary side of a transformer T1 by signals, the source electrode of an NMOS transistor Q2 is connected with the negative electrode of a capacitor C2 by signals, the negative electrode of the primary side of a transformer T1 is connected with the positive electrode of the capacitor C2 by signals, and the secondary side of the transformer T1 is connected with signals of the signal.
Referring to fig. 1, the slave station intelligent inverter module is in signal connection with the power module, the master station intelligent inverter module and the signal output module, and is configured to convert direct current into a high-frequency electric signal and output the high-frequency electric signal.
Referring to fig. 2, the slave station intelligent inverter module includes a chip capacitor C3 and a chip capacitor C4 connected in series, wherein the positive electrode of the chip capacitor C3 is connected to the positive input end of the direct current signal, and the negative electrode of the chip capacitor C4 is connected to the negative input end of the direct current signal.
The positive electrode of the chip capacitor C3 is further connected with a drain of an NMOS transistor Q3 in a signal manner, a source of the NMOS transistor Q3 is connected with a drain of an NMOS transistor Q4 in a signal manner and a positive electrode of a primary side of a transformer T2 in a signal manner, a source of the NMOS transistor Q4 is connected with a negative electrode of a capacitor C4 in a signal manner, a negative electrode of a primary side of a transformer T2 is connected with a positive electrode of a capacitor C4 in a signal manner, a positive electrode of a secondary side of a transformer T2 is connected with a negative electrode of a secondary side of a transformer T1 in a.
The priority of the master station intelligent inverter module is greater than that of the slave station intelligent inverter module.
Referring to fig. 1, the control processing module is in signal connection with the power module and the intelligent inversion module, and is used for controlling the working load, collecting data and outputting signals to the intelligent inversion module.
The control processing module comprises an HMI control module, a data processing module, a bus control port module and a signal detection module.
The HMI control module is in signal connection with the power module and is used for controlling the working load and starting the working frequency.
The data processing module is in signal connection with the HMI control module and the main station intelligent inversion module, can be set as a PLC, and is used for acquiring data signals, comparing the data signals of the intelligent inversion module with a preset threshold value, wherein the preset threshold value can be signals of duty ratio, power output and the like, and controlling the main station intelligent inversion module; and can also be connected with an upper computer by signals.
The bus control port module is in signal connection with the data processing module and the main station intelligent inversion module, is used for signal transmission between the data processing module and the main station intelligent inversion module, and CAN adopt a CAN bus and the like.
The signal detection module is in signal connection with the signal output module and the data processing module, and is used for detecting the signal of the signal output module and feeding back the signal to the data processing module.
The signal output module is in signal connection with the intelligent inversion module and used for integrating output signals of the intelligent inversion module and outputting signals at the same time.
The signal output module comprises an LC oscillating circuit module which is connected with the master station intelligent inverter module and the slave station intelligent inverter module in a signal mode and used for outputting sine waves after output signals of the master station intelligent inverter module and the slave station intelligent inverter module are integrated.
Referring to fig. 2, the LC oscillating circuit module includes a metal film capacitor C5 and an inductor L connected in series, wherein one end of the metal film capacitor C5 away from the inductor L is connected to the positive pole of the secondary side of the transformer T1, and one end of the inductor L away from the metal film capacitor C5 is connected to the negative pole of the secondary side of the transformer T2.
The implementation principle of the intelligent induction heating power supply in the embodiment of the application is as follows: the DC control power supply module and the pre-charging module are both connected to a three-phase power supply, and the DC control power supply module is used for providing power supply signals to the HMI control module, the data processing module, the master station intelligent inversion module and the slave station intelligent inversion module; the pre-charging module is connected with a three-phase power supply, then is converted into a signal capable of outputting an uncontrolled rectifier bridge, and is output to the rectifier module; the rectification module respectively outputs the rectified signals to the master station intelligent inverter module and the slave station intelligent inverter module, and the master station intelligent inverter module and the slave station intelligent inverter module convert the signals and output the converted signals to the LC oscillating circuit module; in the process, the HMI control module controls the working load and starts working frequency, the data processing module collects data signals, compares the data signals of the intelligent inversion module with a preset threshold value, and communicates with the intelligent inversion module of the master station through the bus control port module, and the signal detection module detects the working state of the signal output module in real time and feeds the working state back to the data processing module; the adjustment of the inversion modules with different powers is quickly realized in a superposition mode so as to adapt to the requirements of different output powers.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An intelligence induction heating power supply which characterized in that: the method comprises the following steps:
the power supply module is used for providing power supply;
the intelligent inversion module is in signal connection with the power supply module and is used for converting a direct-current electric signal into an alternating-current electric signal and outputting a high-frequency electric signal;
the control processing module is in signal connection with the power supply module and the intelligent inversion module, and is used for controlling a working load, acquiring data and outputting a signal to the intelligent inversion module; and the number of the first and second groups,
the signal output module is in signal connection with the intelligent inversion module and is used for integrating output signals of the intelligent inversion module and outputting the signals at the same time;
wherein the intelligent inverter module comprises:
the intelligent master station inversion module is in signal connection with the power supply module, the control processing module and the signal output module and is used for converting the direct current signal into a high-frequency electric signal and outputting the high-frequency electric signal; and the number of the first and second groups,
and the slave station intelligent inversion module is in signal connection with the power supply module, the master station intelligent inversion module and the signal output module and is used for converting the direct current signal into a high-frequency electric signal and outputting the high-frequency electric signal.
2. The intelligent induction heating power supply of claim 1, wherein: the priority of the master station intelligent inverter module is greater than that of the slave station intelligent inverter module.
3. An intelligent induction heating power supply as claimed in claim 2, wherein: the slave station intelligent inverter module is provided with a plurality of slave stations.
4. The intelligent induction heating power supply of claim 1, wherein: the power module includes:
the pre-charging module is used for accessing a three-phase power supply;
the DC control power supply module is connected with a three-phase power supply and is in signal connection with the control processing module and used for providing a direct-current power supply to the control processing module; and the number of the first and second groups,
and the rectification module is in signal connection with the pre-charging module and the intelligent inversion module and is used for rectifying the output signal of the pre-charging module and then inputting the rectified output signal into the intelligent inversion module.
5. The intelligent induction heating power supply of claim 1, wherein: the signal output module includes:
and the LC oscillating circuit module is in signal connection with the master station intelligent inverter module and the slave station intelligent inverter module and is used for integrating output signals of the master station intelligent inverter module and the slave station intelligent inverter module and outputting sine waves.
6. The intelligent induction heating power supply of claim 1, wherein: the control processing module comprises:
the HMI control module is in signal connection with the power supply module and is used for controlling the working load and starting the working frequency;
and the data processing module is in signal connection with the HMI control module and the main station intelligent inversion module and is used for acquiring data signals, comparing the data signals of the intelligent inversion module with a preset threshold value and controlling the main station intelligent inversion module.
7. The intelligent induction heating power supply of claim 6, wherein: the control processing module further includes:
and the bus control port module is in signal connection with the data processing module and the main station intelligent inverter module and is used for carrying out signal transmission between the data processing module and the main station intelligent inverter module.
8. The intelligent induction heating power supply of claim 7, wherein: the control processing module further includes:
and the signal detection module is in signal connection with the signal output module and the data processing module, and is used for detecting the signal of the signal output module and feeding back the signal to the data processing module.
CN202010808191.XA 2020-08-12 2020-08-12 Intelligent induction heating power supply Withdrawn CN111935862A (en)

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Application Number Priority Date Filing Date Title
CN202010808191.XA CN111935862A (en) 2020-08-12 2020-08-12 Intelligent induction heating power supply

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Application Number Priority Date Filing Date Title
CN202010808191.XA CN111935862A (en) 2020-08-12 2020-08-12 Intelligent induction heating power supply

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250777A (en) * 1990-04-02 1993-10-05 Inductotherm Corp. Method and apparatus for variable phase induction heating and stirring
CN203840210U (en) * 2014-03-24 2014-09-17 浙江商业职业技术学院 AC inverter circuit
CN207664882U (en) * 2018-01-17 2018-07-27 保定市三丰电器有限公司 A kind of inverter circuit of High Frequency Solid State induction heating equipment
CN110708779A (en) * 2019-10-31 2020-01-17 西安慧金科技有限公司 Dual-frequency induction heating power supply and control method thereof
CN210246626U (en) * 2019-07-01 2020-04-03 洛阳松导感应加热科技有限公司 High-compatibility one-driving-two parallel inverter induction heating system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250777A (en) * 1990-04-02 1993-10-05 Inductotherm Corp. Method and apparatus for variable phase induction heating and stirring
CN203840210U (en) * 2014-03-24 2014-09-17 浙江商业职业技术学院 AC inverter circuit
CN207664882U (en) * 2018-01-17 2018-07-27 保定市三丰电器有限公司 A kind of inverter circuit of High Frequency Solid State induction heating equipment
CN210246626U (en) * 2019-07-01 2020-04-03 洛阳松导感应加热科技有限公司 High-compatibility one-driving-two parallel inverter induction heating system
CN110708779A (en) * 2019-10-31 2020-01-17 西安慧金科技有限公司 Dual-frequency induction heating power supply and control method thereof

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