CN110636655A - Intelligent power supply for induction heating - Google Patents
Intelligent power supply for induction heating Download PDFInfo
- Publication number
- CN110636655A CN110636655A CN201910738253.1A CN201910738253A CN110636655A CN 110636655 A CN110636655 A CN 110636655A CN 201910738253 A CN201910738253 A CN 201910738253A CN 110636655 A CN110636655 A CN 110636655A
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- CN
- China
- Prior art keywords
- power supply
- induction heating
- phase
- time relay
- mainboard
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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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/04—Sources of current
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention relates to the technical field of heating power supplies, in particular to an intelligent power supply for induction heating, which is provided with a main control circuit and an auxiliary circuit which are connected with each other, wherein the main control circuit comprises a mainboard, a power supply board, a drive board, a transformer jointed board and a module door polar plate; the power supply is provided with a power supply A phase, a power supply B phase, a power supply C phase and a voltmeter, wherein the power supply A phase is connected with a first mutual inductor, the power supply B phase is connected with a second mutual inductor, the power supply C phase is connected with a third mutual inductor, one end of the voltmeter is connected with the power supply A, and the other end of the voltmeter is connected with the power supply C. The power supply has the advantages of reasonable structural design, complete functions, wide application and high reliability.
Description
Technical Field
The invention relates to the technical field of heating power supplies, in particular to an intelligent power supply for induction heating.
Background
The induction heating power supply can not only heat the whole workpiece, but also heat the local part of the workpiece in a targeted manner; the deep heat penetration of the workpiece can be realized, and the surface layer of the workpiece can be heated in a concentrated manner; not only can directly heat the metal material, but also can indirectly heat the non-metal material. Therefore, the induction heating technology is bound to be applied more and more widely in various industries.
Surface heat treatment processes for locally heating a workpiece by induction currents are commonly used for surface quenching, as well as for local annealing or tempering, and sometimes for bulk quenching and tempering. With the needs of various industries of steel, iron, copper, aluminum and alloy, induction melting equipment is favored, more and more industries use induction heating equipment, more and more industries enter the induction heating equipment industry, more and more brands enter the Chinese market, and in the early 20 th century and the 30 th century, the American and the Soviet Union begin to apply an induction heating method to carry out surface quenching on parts successively. With the development of industry, the induction heating heat treatment technology is continuously improved, and the application range is continuously expanded.
Induction heating is the fastest heating method known by human beings at present, the traditional heating method is heat conduction, namely, a hot object transfers the heat energy of the object to another object, and induction heating generates current vortex, namely eddy current in an induction coil through alternating current, so that electron holes in a magnetic object in the coil move to generate heat.
However, the existing induction heating power supply in the market still has some defects in structural design, so that the existing induction heating power supply cannot meet the realization of more functions, and the allocation of the application occasions is greatly restricted.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, the intelligent induction heating power supply is provided, and has the advantages of reasonable structural design, complete functions and wide application.
The technical scheme adopted by the invention for solving the technical problems is as follows: a power supply for intelligent induction heating is provided with a main control circuit and an auxiliary circuit which are mutually connected, wherein the main control circuit comprises a mainboard, a power supply board, a drive board, a transformer jointed board and a module door polar plate; the power supply is provided with a power supply A phase, a power supply B phase, a power supply C phase and a voltmeter, wherein the power supply A phase is connected with a first mutual inductor, the power supply B phase is connected with a second mutual inductor, the power supply C phase is connected with a third mutual inductor, one end of the voltmeter is connected with the power supply A, and the other end of the voltmeter is connected with the power supply C.
More specifically, in the above technical solution, the power supply further includes a first time relay, a second time relay, and a third time relay, the first time relay is connected in parallel to the power supply a, the second time relay is connected in parallel to the power supply B, and the third time relay is connected in parallel to the power supply C.
More specifically, according to the technical scheme, the power supply further comprises a first sensitive ammeter, a second sensitive ammeter and a third sensitive ammeter, the first sensitive ammeter is connected with the first time relay in series, the second sensitive ammeter is connected with the second time relay in series, and the third sensitive ammeter is connected with the third time relay in series.
More specifically, in the above technical solution, one end of the motherboard is connected to the power supply a, and the other end of the motherboard is connected to the power supply C.
More specifically, in the above technical solution, the power supply further includes a thin film capacitor, one end of the thin film capacitor is connected in parallel with one end of the main board, and the other end of the thin film capacitor is connected in parallel with the other end of the main board.
More specifically, in the above technical solution, the power supply further includes a non-inductive capacitor, one end of the non-inductive capacitor is connected in parallel with one end of the thin film capacitor, and the other end of the non-inductive capacitor is connected in parallel with the other end of the thin film capacitor.
More specifically, in the above technical solution, the power supply further has a transformer load, one end of the transformer load is connected to the thin film capacitor, and the other end of the transformer load is connected to the non-inductive capacitor.
More specifically, according to the technical scheme, the power supply further comprises a resistor, and the resistor is connected with the main board in series.
More specifically, in the above technical solution, a hall sensor is disposed between the thin film capacitor and the transformer load.
More specifically, in the above technical solution, a hall sensor is disposed between the non-inductive capacitor and the transformer load.
The invention has the beneficial effects that: the intelligent power supply for induction heating provided by the invention has the advantages of reasonable structural design, complete functions, wide application and extremely high reliability.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the present invention.
The reference numbers in the drawings are: 1. an auxiliary circuit; 2. a main board; 3. a power panel; 4. a drive plate; 5. splicing plates of the transformer; 6. a module gate plate; TA, a first time relay; TB, a second time relay; TC and a third time relay; GA. A first sensitive current meter; GB. A second sensitive current meter; GC. And a third sensitive current meter.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "one side", "the other side", "both sides", "between", "middle", "upper", "lower", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the power supply for intelligent induction heating provided by the invention comprises a main control circuit and an auxiliary circuit 1 which are connected with each other, wherein the main control circuit comprises a mainboard 2, a power supply board 3, a drive board 4, a transformer jointed board 5 and a module gate plate 6, the power supply board 3 is connected with the mainboard, the drive board 4 is connected with the mainboard, the transformer jointed board 5 is connected with the mainboard, and the module gate plate 6 is connected with the mainboard; the power supply is provided with a power supply A phase, a power supply B phase, a power supply C phase and a voltmeter, wherein the power supply A phase is connected with a first mutual inductor, the power supply B phase is connected with a second mutual inductor, the power supply C phase is connected with a third mutual inductor, one end of the voltmeter is connected with the power supply A, and the other end of the voltmeter is connected with the power supply C. One end of the first transformer is set as A1’The other end of the first transformer is set to a 2. One end of the second transformer is set as A3’And the other end of the second transformer is set to be A4. One end of the third transformer is set as A5’And the other end of the third transformer is set to be A6.
The main board 2 is also called main board, system board or mother board, it is divided into two kinds of commercial main board and industrial main board, it is installed in the machine box, it is one of the most basic and most important components of the microcomputer. The main board is generally a rectangular circuit board, on which the main circuit system forming the computer is installed, and generally includes elements such as a BIOS chip, an I/O control chip, a keyboard and a panel control switch interface, an indicator light plug-in, an expansion slot, a main board, and a direct current power supply plug-in of a plug-in card.
The power panel 3 is responsible for controlling the power aspects of the circuit, namely the on and off of the switch tube, and the boosting of the transformer during lighting to provide enough driving voltage and keep the output current stable during the circuit operation.
The board card level circuit product that drive plate 4 generally comprises IGBT driver chip, drive auxiliary power supply, drive peripheral circuit and connector, and is simple to use, is convenient for successfully build a whole set of electric system fast.
The power supply is also provided with a first time relay TA, a second time relay TB and a third time relay TC, wherein the first time relay TA is connected with the power supply A in parallel, the second time relay TB is connected with the power supply B in parallel, and the third time relay TC is connected with the power supply C in parallel.
The first time relay TA, the second time relay TB and the third time relay TC are relays in which an output circuit generates a jump change or a contact operation after a predetermined accurate time elapses after an input operation signal is added or removed, and are electrical components used in a circuit having a relatively low voltage or a relatively low current to turn on or off a circuit having a relatively high voltage or a relatively high current.
The power supply is also provided with a first sensitive ammeter GA, a second sensitive ammeter GB and a third sensitive ammeter GC, wherein the first sensitive ammeter GA is connected with the first time relay TA in series, the second sensitive ammeter GB is connected with the second time relay TB in series, and the third sensitive ammeter GC is connected with the third time relay TC in series.
The first sensitive current meter GA, the second sensitive current meter GB and the third sensitive current meter GC are magnetoelectric system instruments with high sensitivity, are mainly used as zero-pointing devices in the measurement type electromagnetic measurement, and can also be used for measuring weak current and voltage, such as measuring photocurrent, biological current, temperature difference potential and the like.
One end of the mainboard 2 is connected with the power supply A, and the other end of the mainboard 2 is connected with the power supply C.
The power supply also comprises a thin film capacitor, one end of the thin film capacitor is connected with one end of the mainboard in parallel, and the other end of the thin film capacitor is connected with the other end of the mainboard in parallel.
The film capacitor is a capacitor having a structure in which a metal foil is used as an electrode, and the metal foil and a plastic film such as polyethylene, polypropylene, polystyrene, or polycarbonate are stacked from both ends and wound into a cylindrical shape.
The power supply also comprises a non-inductive capacitor, one end of the non-inductive capacitor is connected with one end of the thin film capacitor in parallel, and the other end of the non-inductive capacitor is connected with the other end of the thin film capacitor in parallel.
The non-inductive capacitor is used in a high-frequency circuit, has no pins or short pins, and is commonly used for a high-frequency head; in general, PF class, so-called "no inductance" means that the capacitor does not generate "inductance" effect when operating, because the blocking effect caused by the capacitor and the inductance to the alternating current in the circuit is called reactance in general, if so, the direct current cannot pass through, but the alternating current can pass through.
The power supply also has a transformer load, one end of which is connected with the thin-film capacitor and the other end of which is connected with the non-inductive capacitor.
The transformer load refers to an electronic component connected to both ends of a power supply in a circuit in physics, and is a device for converting electric energy into other forms of energy.
The power supply also comprises a resistor which is connected with the mainboard in series, and the resistor is 100000 ohms and 50 watts.
And a Hall sensor is arranged between the film capacitor and the transformer load. And a Hall sensor is arranged between the non-inductive capacitor and the transformer load.
A hall sensor is a magnetic field sensor made according to the hall effect. The Hall effect is one of magnetoelectric effects, and later, the effect is found in semiconductors, conductive fluids and the like, but the Hall effect of the semiconductors is much stronger than that of metals, and various Hall elements manufactured by utilizing the phenomenon are widely applied to the aspects of industrial automation technology, detection technology, information processing and the like. The hall effect is a fundamental method for studying the properties of semiconductor materials. The Hall coefficient measured by a Hall effect experiment can be used for judging important parameters of the semiconductor material, such as the conductivity type, the carrier concentration, the carrier mobility and the like.
It is to be noted that touching the charged portion causes serious burn or fatal impact. When the power supply is operated, the power supply circuit, the output bus and the connecting wires are all live hazard parts. Improper installation or improper grounding equipment is also dangerous. After the input power is removed, a certain dc voltage is present inside the power supply. The inverter is turned off, the input power is cut off, and the electricity in the input capacitor is discharged before any internal components are touched.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. The utility model provides an intelligence power for induction heating which characterized in that: the power supply board (3) is connected with the mainboard, the drive board (4) is connected with the mainboard, the transformer jointed board (5) is connected with the mainboard, and the module door polar plate (6) is connected with the mainboard; the power supply is provided with a power supply A phase, a power supply B phase, a power supply C phase and a voltmeter, wherein the power supply A phase is connected with a first mutual inductor, the power supply B phase is connected with a second mutual inductor, the power supply C phase is connected with a third mutual inductor, one end of the voltmeter is connected with the power supply A, and the other end of the voltmeter is connected with the power supply C.
2. The power supply for intelligent induction heating according to claim 1, characterized in that: the power supply is also provided with a first time relay (TA), a second time relay (TB) and a third time relay (TC), wherein the first time relay (TA) is connected with the power supply A in parallel, the second time relay (TB) is connected with the power supply B in parallel, and the third time relay (TC) is connected with the power supply C in parallel.
3. The power supply for intelligent induction heating according to claim 2, characterized in that: the power supply is also provided with a first sensitive ammeter (GA), a second sensitive ammeter (GB) and a third sensitive ammeter (GC), wherein the first sensitive ammeter (GA) is connected with the first time relay (TA) in series, the second sensitive ammeter (GB) is connected with the second time relay (TB) in series, and the third sensitive ammeter (GC) is connected with the third time relay (TC) in series.
4. The power supply for intelligent induction heating according to claim 1, characterized in that: one end of the mainboard (2) is connected with the power supply A, and the other end of the mainboard (2) is connected with the power supply C.
5. The power supply for intelligent induction heating according to claim 1, characterized in that: the power supply is also provided with a thin film capacitor, one end of the thin film capacitor is connected with one end of the mainboard in parallel, and the other end of the thin film capacitor is connected with the other end of the mainboard in parallel.
6. The power supply for intelligent induction heating according to claim 5, characterized in that: the power supply also comprises a non-inductive capacitor, wherein one end of the non-inductive capacitor is connected with one end of the thin film capacitor in parallel, and the other end of the non-inductive capacitor is connected with the other end of the thin film capacitor in parallel.
7. The power supply for intelligent induction heating according to claim 6, characterized in that: the power supply is also provided with a transformer load, one end of the transformer load is connected with the thin film capacitor, and the other end of the transformer load is connected with the non-inductive capacitor.
8. The power supply for intelligent induction heating according to claim 1, characterized in that: the power supply also comprises a resistor, and the resistor is connected with the mainboard in series.
9. The power supply for intelligent induction heating according to claim 7, characterized in that: and a Hall sensor is arranged between the thin film capacitor and the transformer load.
10. The power supply for intelligent induction heating according to claim 7, characterized in that: and a Hall sensor is arranged between the non-inductive capacitor and the transformer load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738253.1A CN110636655A (en) | 2019-08-12 | 2019-08-12 | Intelligent power supply for induction heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738253.1A CN110636655A (en) | 2019-08-12 | 2019-08-12 | Intelligent power supply for induction heating |
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| Publication Number | Publication Date |
|---|---|
| CN110636655A true CN110636655A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910738253.1A Pending CN110636655A (en) | 2019-08-12 | 2019-08-12 | Intelligent power supply for induction heating |
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| Country | Link |
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| CN (1) | CN110636655A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204217148U (en) * | 2014-11-20 | 2015-03-18 | 郑州科创电子有限公司 | A kind of novel intelligent IGBT induction heating power |
| CN205864774U (en) * | 2016-07-19 | 2017-01-04 | 国核华清（北京）核电技术研发中心有限公司 | High-frequency induction heating apparatus |
| CN207720030U (en) * | 2018-01-17 | 2018-08-10 | 保定市三丰电器有限公司 | A kind of intermediate-frequency circuit system of Intermediate Frequency Induction Heating Equipment |
| EP3439429A1 (en) * | 2017-08-04 | 2019-02-06 | LG Electronics Inc. | Induction heat cooking apparatus and operating method thereof |
| CN208509304U (en) * | 2018-06-27 | 2019-02-15 | 上海巴玛克电气技术有限公司 | Timesharing exports induction heating power |
-
2019
- 2019-08-12 CN CN201910738253.1A patent/CN110636655A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204217148U (en) * | 2014-11-20 | 2015-03-18 | 郑州科创电子有限公司 | A kind of novel intelligent IGBT induction heating power |
| CN205864774U (en) * | 2016-07-19 | 2017-01-04 | 国核华清（北京）核电技术研发中心有限公司 | High-frequency induction heating apparatus |
| EP3439429A1 (en) * | 2017-08-04 | 2019-02-06 | LG Electronics Inc. | Induction heat cooking apparatus and operating method thereof |
| CN207720030U (en) * | 2018-01-17 | 2018-08-10 | 保定市三丰电器有限公司 | A kind of intermediate-frequency circuit system of Intermediate Frequency Induction Heating Equipment |
| CN208509304U (en) * | 2018-06-27 | 2019-02-15 | 上海巴玛克电气技术有限公司 | Timesharing exports induction heating power |
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Application publication date: 20191231 |
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| RJ01 | Rejection of invention patent application after publication |