CN203151780U - IGBT (insulated gate bipolar transistor) induction heating power supply - Google Patents
IGBT (insulated gate bipolar transistor) induction heating power supply Download PDFInfo
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- CN203151780U CN203151780U CN 201320121688 CN201320121688U CN203151780U CN 203151780 U CN203151780 U CN 203151780U CN 201320121688 CN201320121688 CN 201320121688 CN 201320121688 U CN201320121688 U CN 201320121688U CN 203151780 U CN203151780 U CN 203151780U
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Abstract
The utility model relates to an IGBT (insulated gate bipolar transistor) induction heating power supply, which comprises a rectifier unit, wherein the rectifier unit is connected to an IGBT inverter, the IGBT inverter is connected to an IGBT resonance output unit, and the IGBT resonance output unit is connected to an inductor; a connection circuit of the rectifier unit, the IGBT inverter and the IGBT resonance output unit is provided with a detection circuit; and the detection circuit is connected to an electrical control unit and a digital high-speed processor. The IGBT induction heating power supply has the beneficial effects that 1) the response time of the digital high-speed processor is of a nanosecond level, thereby being superior to the response time, which is of a microsecond level, of an IGBT; 2) the IGBT induction heating power supply effectively restricts and protects equipment in such conditions as overvoltage, overload, short-circuit, overheat and the like; and 3) the IGBT always operates at a zero-crossing soft switching state, the loss is greatly reduced, and the efficiency is improved by 10%-15% compared with ordinary thyristor inverter equipment.
Description
Technical field
The utility model relates to a kind of IGBT induction heating power.
Background technology
The IGBT induction heating is most to be used for a plurality of fields such as the quenching of Industrial Metal piece surface, Metal Melting, bar are diathermanous, cutter welding, be to make inner certain induced current, formation eddy current, the heated components surface rapidly of producing of workpiece, reach surface heating rapidly, even the effect of diathermanous thawing.Though heating properties is extremely excellent, 1), IGBT induction heating power efficient is high but also there is following problem in the IGBT induction heating power in the practical application:, its response time is the microsecond level, and existing heating control system reaction is too slow on the market, both also do not match, and have had a strong impact on the performance of IGBT induction heating power heat efficiency; 2), the IGBT induction heating power has characteristics such as high pressure, big electric current, high temperature, and existing IGBT induction heating power not have the detection system of response, causes equipment breakdown and personnel to injure easily; 3), existing IGBT induction heating power uses mostly is the triode thyristor contravariant equipment, the loss of triode thyristor contravariant equipment is big and efficient is low.
The utility model content
The purpose of this utility model provides a kind of IGBT induction heating power, to overcome present prior art above shortcomings.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of IGBT(insulated gate bipolar transistor) induction heating power, comprise rectification unit, described rectification unit is connected with the IGBT inverter, described IGBT inverter is connected with IGBT resonance output unit, described IGBT resonance output unit is connected with inductor, described rectification unit, IGBT inverter and IGBT resonance output unit three's connecting circuit is provided with testing circuit, and described testing circuit is connected with electric control unit and digital type high speed processor respectively.
Further, described digital type high speed processor connects the IGBT inverter by the IGBT fast drive circuit.Described IGBT resonance output unit is connected with electric control unit with the digital type high speed processor respectively.
Further, described testing circuit comprises overcurrent, overvoltage and overheating detection circuit.Described electric control unit is provided with setting device.
The beneficial effects of the utility model are: 1) adopt the digital type high speed processor, its response time is nanosecond, is better than the response time (microsecond level) of IGBT; 2) for equipment in overvoltage, overload, short circuit, situation such as overheated, effectively limit and protect, the control circuit antijamming capability is strengthened; 3), adopt digital type high speed processor and IGBT fast drive circuit to match, IGBT always works in the soft on off state switching loss of zero passage greatly to be reduced, efficient improves 10%～15% than triode thyristor contravariant equipment.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the schematic block circuit diagram of the described IGBT induction heating power of the utility model embodiment.
Embodiment
As shown in Figure 1, the described a kind of IGBT induction heating power of the utility model embodiment, comprise rectification unit, described rectification unit is connected with the IGBT inverter, described IGBT inverter is connected with IGBT resonance output unit, described IGBT resonance output unit is connected with inductor, and described rectification unit, IGBT inverter and IGBT resonance output unit three's connecting circuit is provided with testing circuit, and described testing circuit is connected with electric control unit and digital type high speed processor respectively.Described digital type high speed processor connects the IGBT inverter by the IGBT fast drive circuit.Described IGBT resonance output unit is connected with electric control unit with the digital type high speed processor respectively.Described testing circuit comprises overcurrent, overvoltage and overheating detection circuit.Described electric control unit is provided with setting device.
Digital high-speed processor, IGBT inverter and IGBT resonance output unit are that Wuxi electric furnace limited liability company system makes production in the IGBT induction heating power that the utility model provides, model GGJ100-0.1/ 0.5-530, components and parts wherein are that Siemens is manufactured, and model is FZ400R12KS4.
The IGBT induction heating power that the utility model provides, rectification unit converts external electrical network three-phase main-frequency alternating voltage to direct voltage by Based Intelligent Control, so-called Based Intelligent Control, after referring to the variation setup parameter according to workpiece or workpiece heating state, revise voluntarily, the requirement of heat treatment of workpieces is satisfied in output.Flexible cord is connected between electric control unit and the rectification unit, and control rectification unit constant voltage or the output of permanent merit are satisfied workpiece and added heat request.
The digital type high speed processor can be realized much strengthening function: the overcurrent of testing circuit, overvoltage, multiple protective such as overheated are carried out fast detecting, improve the reliability of equipment; Multiple operational mode realizes constant voltage, permanent merit or thermostatic control; Multiple control modes realizes distant place control and automation control easily.The IGBT induction heating power always works in the soft on off state of zero passage, and resonance frequency and phase tracking error greatly reduce, thereby reduces the IGBT switching loss.The IGBT fast drive circuit helps the realization of high-frequency soft switch circuit more quickly and accurately.The IGBT inverter is converted to several thousand to several ten thousand hertz high-frequency circuit with direct current energy, for improving transmission speed and reliability, adopts Optical Fiber Transmission between IGBT fast drive circuit and the parts IGBT inverter.IGBT resonance output unit connects inductor.Because electric current is bigger in the circuit, connect with the cooling copper bar between them, through isolating and impedance matching, in inductor, produce powerful high-frequency current by resonance method, so workpiece is heated rapidly.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, all drops within the protection range of the present utility model.
Claims (5)
1. IGBT induction heating power, comprise rectification unit, it is characterized in that: described rectification unit is connected with the IGBT inverter, described IGBT inverter is connected with IGBT resonance output unit, described IGBT resonance output unit is connected with inductor, described rectification unit, IGBT inverter and IGBT resonance output unit three's connecting circuit is provided with testing circuit, and described testing circuit is connected with electric control unit and digital type high speed processor respectively.
2. IGBT induction heating power according to claim 1 is characterized in that: described digital type high speed processor connects the IGBT inverter by the IGBT fast drive circuit.
3. IGBT induction heating power according to claim 2, it is characterized in that: described IGBT resonance output unit is connected with electric control unit with the digital type high speed processor respectively.
4. IGBT induction heating power according to claim 3, it is characterized in that: described testing circuit comprises overcurrent, overvoltage and overheating detection circuit.
5. according to each described IGBT induction heating power of claim 1-4, it is characterized in that: described electric control unit is provided with setting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121688 CN203151780U (en) | 2013-03-16 | 2013-03-16 | IGBT (insulated gate bipolar transistor) induction heating power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121688 CN203151780U (en) | 2013-03-16 | 2013-03-16 | IGBT (insulated gate bipolar transistor) induction heating power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203151780U true CN203151780U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320121688 Expired - Fee Related CN203151780U (en) | 2013-03-16 | 2013-03-16 | IGBT (insulated gate bipolar transistor) induction heating power supply |
Country Status (1)
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| CN (1) | CN203151780U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349521A (en) * | 2014-09-05 | 2015-02-11 | 湘潭市南冶中频高新技术开发有限公司 | IGBT (Insulated Gate Bipolar Translator) half-bridge inverter medium-frequency - ultrasonic-frequency - high-frequency induction heating power supply |
| CN105960040A (en) * | 2016-06-30 | 2016-09-21 | 浙江天煌科技实业有限公司 | Induction heating power supply with novel cooling system |
| CN106470507A (en) * | 2015-08-18 | 2017-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and its surge detection means |
| CN107041026A (en) * | 2015-07-29 | 2017-08-11 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and its current detecting and protection control device, method |
| CN108605387A (en) * | 2015-12-28 | 2018-09-28 | 海默有限公司 | For preferably moving the shrinking device capable of fast used |
| CN113438762A (en) * | 2015-12-28 | 2021-09-24 | 海默有限公司 | Thermal sleeve device with heating control device |
| CN114401563A (en) * | 2021-12-10 | 2022-04-26 | 广东德力实业有限公司 | Heating device |
-
2013
- 2013-03-16 CN CN 201320121688 patent/CN203151780U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349521A (en) * | 2014-09-05 | 2015-02-11 | 湘潭市南冶中频高新技术开发有限公司 | IGBT (Insulated Gate Bipolar Translator) half-bridge inverter medium-frequency - ultrasonic-frequency - high-frequency induction heating power supply |
| CN104349521B (en) * | 2014-09-05 | 2015-11-04 | 湘潭市南冶中频高新技术开发有限公司 | IGBT semi-bridge inversion intermediate frequency-superaudio-high-frequency induction heating power |
| CN107041026A (en) * | 2015-07-29 | 2017-08-11 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and its current detecting and protection control device, method |
| CN106470507A (en) * | 2015-08-18 | 2017-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and its surge detection means |
| CN106470507B (en) * | 2015-08-18 | 2023-04-28 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and surge detection device thereof |
| CN108605387A (en) * | 2015-12-28 | 2018-09-28 | 海默有限公司 | For preferably moving the shrinking device capable of fast used |
| US11033991B2 (en) | 2015-12-28 | 2021-06-15 | Haimer Gmbh | Shrink-fitting appliance for preferably mobile use |
| CN113438762A (en) * | 2015-12-28 | 2021-09-24 | 海默有限公司 | Thermal sleeve device with heating control device |
| CN105960040A (en) * | 2016-06-30 | 2016-09-21 | 浙江天煌科技实业有限公司 | Induction heating power supply with novel cooling system |
| CN114401563A (en) * | 2021-12-10 | 2022-04-26 | 广东德力实业有限公司 | Heating device |
| CN114401563B (en) * | 2021-12-10 | 2024-01-19 | 广东德力实业有限公司 | Heater |
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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: 20130821 Termination date: 20150316 |
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| EXPY | Termination of patent right or utility model |