CN105960040A - Induction heating power supply with novel cooling system - Google Patents
Induction heating power supply with novel cooling system Download PDFInfo
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- CN105960040A CN105960040A CN201610501920.0A CN201610501920A CN105960040A CN 105960040 A CN105960040 A CN 105960040A CN 201610501920 A CN201610501920 A CN 201610501920A CN 105960040 A CN105960040 A CN 105960040A
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- igbt
- induction heating
- module
- heating power
- cooling system
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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
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- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention relates to an induction heating power supply with a novel cooling system. According to the technical scheme, the induction heating power supply comprises a rectifier module, wherein the induction heating power supply is characterized in that the rectifier module is connected with an IGBT inverter module; the IGBT inverter module is connected with an IGBT resonance output unit; the IGBT resonance output unit is connected with an induction coil; a detection protection circuit is arranged on a connection circuit of the rectifier module, the IGBT inverter module and the IGBT resonance output unit, and is connected with an electric control unit and a digital control processor separately; the rectifier module and the IGBT inverter module are integrated on a power circuit board; the power circuit board is tightly clung to a cooling panel; a display screen, a control circuit board and an auxiliary power supply board are arranged at one side of the cooling panel; and a cooling fan is arranged at the tail part of the cooling panel.
Description
Technical field
The present invention relates to a kind of induction heating power, belong to sensing heating art.
Background technology
Frequency Induction Heating majority is for multiple fields such as the quenching of Industrial Metal piece surface, Metal Melting, diathermanous, the Welding of cutters of bar, make inside workpiece produce certain faradic current, form eddy current, rapid heated components surface, reach surface to heat rapidly, the effect of the most diathermanous thawing.Although heating properties is the most excellent, but the middle low power induction heating power in actual application there is problems: 1, in existing middle low power induction heating power, generally exist is that volume is relatively big, and the not easily shifted and problem of installation, volume also result in greatly the rising of manufacturing cost.2, the heat that power supply produces can not dissipate in time, causes system operation irregularity.3, existing intermediate frequency induction heating power supply energy saving is the best, and capacity usage ratio is not high enough.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of induction heating power with Novel cooling system.
For solving the problems referred to above, technical scheme includes rectification module, it is characterized in that: described rectification module connects IGBT inversion module, described IGBT inversion module connects IGBT resonance output unit, described IGBT resonance output unit connects induction coil, described rectification module, the connection circuit of IGBT inversion module and IGBT resonance output unit three is provided with detection protection circuit, described detection protection circuit is connected to electric control unit and digital control processor, and described rectification module and IGBT inversion module are integrated on power circuit board, described power circuit board closely pastes heat sink, display screen is arranged in described heat sink side, control circuit plate and accessory power supply plate, wind-cooling heat dissipating fan is arranged at afterbody.
The described induction heating power with Novel cooling system, it is characterized in that: on described power circuit board, be also integrated with temperature detecting module, described temperature detecting module transmits a signal to control circuit plate, and described control circuit buttress controls heat emission fan rotating speed according to temperature height.
The described induction heating power with Novel cooling system, it is characterized in that: described digital control processor connects IGBT inversion module by IGBT fast drive circuit, and described IGBT resonance output unit is connected with digital control processor and electric control unit respectively.
The described induction heating power with Novel cooling system, it is characterised in that: described electric control unit is provided with setting device.
The described induction heating power with Novel cooling system, it is characterised in that: described detection protection circuit included stream, overvoltage and overheating detection protection circuit.
The induction heating power advantage with Novel cooling system of the present invention is as follows:
1, rectification module is integrated on power circuit board with inverter circuit module and temperature detection, power circuit board is closely touched heat sink, rectification module and inverter circuit module is made to fit tightly heat sink, arrange display screen in heat sink side simultaneously, control circuit plate and accessory power supply plate, wind-cooling heat dissipating fan is arranged at afterbody, this kind of design has not only taken into account the separation of strong and weak electricity, make it safer, and on the basis of meeting function, optimize the structure of whole power supply, make the more small volume and less weight of its volume, improve the pocket of system, save material simultaneously, cost performance is improved.
2, heat sink is used to dispel the heat with the mode that wind-cooling heat dissipating fan combines, power circuit board is combined with heat sink, make power volume smaller and more exquisite, and efficiently controlled power bigger time the excessive situation causing power circuit plate temperature too high of heat dissipation capacity, make whole system safer.
3, the mode of self adaptation heat radiation is used, system passes through temperature detecting module fed power supplies temperature, transmits a signal to control circuit plate, and control circuit buttress controls heat emission fan rotating speed according to temperature height, heat emission fan faster rotational speed during temperature height, heat radiation is accelerated, heat emission fan spin down when temperature is low, and heat radiation is slowed down, not only meet the demand that whole system is dispelled the heat in time, simultaneously can avoid the situation that heat emission fan rotating speed is too fast when temperature is normal, it is to avoid energy dissipation, play energy-conservation effect.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the schematic block circuit diagram of the present invention；
Fig. 2 is the structure design frame chart of the present invention.
Detailed description of the invention
As shown in Figure 1; the induction heating power with Novel cooling system described in the embodiment of the present invention; including rectification module 1; described rectification module 1 connects IGBT inversion module 2; described IGBT inversion module 2 connects IGBT resonance output unit 3; described IGBT resonance output unit connects induction coil 4; described rectification module 1, the connection circuit of IGBT inversion module 2 and IGBT resonance output unit 3 three are provided with detection protection circuit 6, and described detection protection circuit is connected to electric control unit 5 and digital control processor 9.Described digital control processor 9 connects IGBT inversion module 2 by IGBT fast drive circuit 7.Described IGBT resonance output unit 3 is connected with digital control processor 9 and electric control unit 5 respectively.And described rectification module 1 and IGBT inversion module 2 is integrated on power circuit board 12, described power circuit board 12 closely pastes heat sink 11, display screen 16, control circuit plate 13 and accessory power supply plate 14 are arranged in described heat sink 11 side, arrange wind-cooling heat dissipating fan 17 at afterbody.
Further, described power circuit board 12 being also integrated with temperature detecting module 15, described temperature detecting module 15 transmits a signal to control circuit plate 13, and described control circuit plate 13 controls heat emission fan 17 rotating speed according to temperature height.
Further, described digital control processor 9 connects IGBT inversion module 2 by IGBT fast drive circuit 7, described IGBT fast drive circuit 7 includes that the inversion that the light-coupled isolation module being made up of four groups of optocouplers and driving chip are constituted drives module, light-coupled isolation ensure that the separation of strong and weak electricity, make system safer, use driving chip to combine peripheral circuit and be driven IGBT inversion module 2, not only complete driving function, for those Integrate Design, cost is substantially reduced.
Further, described IGBT resonance output unit 3 is connected with digital control processor 9 and electric control unit 5 respectively.By above-mentioned connection, frequency signal in IGBT resonant element 3, voltage signal etc. can be fed back to digital control processor 9 in time, the realization of the function such as frequency-tracking, power adjustments is carried out in time by digital control processor 9, making whole system form power to control and FREQUENCY CONTROL closed loop, whole system is more stably run.
Further, described electric control unit 5 is provided with setting device 10.Being set, by setting device 10, safe voltage, electric current and the temperature that power supply can normally work, when overvoltage occur, crossing stream and the dangerous situation such as overheated, electric control unit 5 is in time by dump, it is ensured that whole system safety and the safety of staff.
Further, described detection protection circuit 6 included stream, overvoltage and overheating detection protection circuit.When voltage, electric current or temperature exceed the setting value of trouble free service; this detection protection circuit 6 detects these signals in time; and fed back to electric control unit 5 and carry out corresponding operating, detection protection circuit 6 can detect and feedback signal in time, substantially increases the security performance of power supply.
The induction heating power with Novel cooling system that the present invention provides, external electrical network alternating voltage is converted into DC voltage by described rectification module 1, after change setup parameter according to workpiece or workpiece heat situation, revise output voluntarily, meet flexible cord between the requirement electric control unit 5 of heat treatment of workpieces and rectification module 1 to be connected, control rectification module 1 constant voltage or permanent merit output, meet workpiece heat requirement.Described digital control processor 9 can realize much strengthening function: detection protection circuit is crossed stream, overvoltage, the multiple protective such as overheated are used for quickly detecting, the reliability of raising equipment；The multiple method of operation, it is achieved constant voltage, permanent merit or thermostatic control；Multiple control modes, easily realizes remotely control and this locality controls.Induction heating power always works in zero passage Sofe Switch state, and resonant frequency and phase tracking error are greatly lowered, thus reduce IGBT switching loss.IGBT resonance output unit 3 connects induction coil 4, through isolation and impedance matching, produces powerful electric current of intermediate frequency by resonance method in induction coil 4, and therefore workpiece is heated rapidly.
As shown in Figure 2, the induction heating power with Novel cooling system described in the embodiment of the present invention, the design of its power supply architecture is as follows: be integrated on power circuit board 12 with inverter circuit module 2 and temperature detection 15 by rectification module 1, power circuit board 12 is closely touched heat sink 11, rectification module 1 and inverter circuit module 2 is made to fit tightly heat sink, arrange display screen 16 in heat sink side simultaneously, control circuit plate 13 and accessory power supply plate 14, wind-cooling heat dissipating fan 17 is arranged at afterbody, this kind of design has not only taken into account the separation of strong and weak electricity, make it safer, and on the basis of meeting function, optimize the structure of whole power supply, make the more small volume and less weight of its volume.
Simultaneously in order to take into account energy-saving effect, use the mode of self adaptation heat radiation, system passes through temperature detecting module 15 fed power supplies temperature, transmit a signal to control circuit plate 13, control circuit plate 13 controls heat emission fan 17 rotating speed according to temperature height, heat emission fan 17 faster rotational speed during temperature height, heat radiation is accelerated, heat emission fan 17 spin down when temperature is low, heat radiation is slowed down, and not only meets the demand that whole system is dispelled the heat in time, can avoid the situation that heat emission fan 17 rotating speed is too fast when temperature is normal simultaneously, avoid energy dissipation, play energy-conservation effect.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, within being all contained in protection scope of the present invention.
Claims (6)
- null1. an induction heating power with Novel cooling system，Including rectification module (1)，It is characterized in that: described rectification module (1) connects IGBT inversion module (2)，Described IGBT inversion module (2) connects IGBT resonance output unit (3)，Described IGBT resonance output unit (3) connects induction coil (4)，Described rectification module (1)、The connection circuit of IGBT inversion module (2) and IGBT resonance output unit (3) three is provided with detection protection circuit (6)，Described detection protection circuit (6) is connected to electric control unit (5) and digital control processor (9)，And described rectification module (1) and IGBT inversion module (2) are integrated on power circuit board (12)，Described power circuit board (12) closely pastes heat sink (11)，Display screen (16) is arranged in described heat sink (11) side、Control circuit plate (13) and accessory power supply plate (14)，Wind-cooling heat dissipating fan (17) is arranged at afterbody.
- The induction heating power with Novel cooling system the most according to claim 1, it is characterized in that: on described power circuit board (12), be also integrated with temperature detecting module (15), described temperature detecting module (15) transmits a signal to control circuit plate (13), and described control circuit plate (13) controls heat emission fan (17) rotating speed according to temperature height.
- The induction heating power with Novel cooling system the most according to claim 1, it is characterised in that: described digital control processor (9) connects IGBT inversion module (2) by IGBT fast drive circuit (7).
- The induction heating power with Novel cooling system the most according to claim 1, it is characterised in that: described IGBT resonance output unit (3) is connected with digital control processor (9) and electric control unit (5) respectively.
- The induction heating power with Novel cooling system the most according to claim 1, it is characterised in that: described electric control unit (5) is provided with setting device (10).
- The induction heating power with Novel cooling system the most according to claim 1, it is characterised in that: described detection protection circuit (6) included stream, overvoltage and overheating detection protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610501920.0A CN105960040A (en) | 2016-06-30 | 2016-06-30 | Induction heating power supply with novel cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610501920.0A CN105960040A (en) | 2016-06-30 | 2016-06-30 | Induction heating power supply with novel cooling system |
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| CN105960040A true CN105960040A (en) | 2016-09-21 |
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| CN201610501920.0A Pending CN105960040A (en) | 2016-06-30 | 2016-06-30 | Induction heating power supply with novel cooling system |
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2016
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| PB01 | Publication | ||
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Application publication date: 20160921 |