CN201608925U - Multiregion control circuit used for sensing heating power supply - Google Patents
Multiregion control circuit used for sensing heating power supply Download PDFInfo
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- CN201608925U CN201608925U CN2010200411449U CN201020041144U CN201608925U CN 201608925 U CN201608925 U CN 201608925U CN 2010200411449 U CN2010200411449 U CN 2010200411449U CN 201020041144 U CN201020041144 U CN 201020041144U CN 201608925 U CN201608925 U CN 201608925U
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Abstract
The utility model discloses a multiregion control circuit used for sensing a heating power supply, wherein the sensing load of the control circuit is a plurality of output ends parallelly connected to the circuit of a main power supply; simultaneously, the control circuit is provided with a plurality of control signals respectively corresponding to the sensing load, a rectifying diode, a current-limiting resistor, a filter capacitor, a photoelectric coupler, a relay and an alternating current contactor coil; a three-phase or single-phase power supply is connected with the sensing load through the power supply main circuit via an alternating current contactor; each path of control signal is rectified by the rectifying diode, current-limited by the current-limiting resistor and filtered by the filter capacitor, and then is sent to the main control end of the photoelectric coupler U1; one path of the signal at the controlled end of the U1 is connected with a switch power supply through the current-limiting resistor, and the other path thereof enters a CPU; the signal processed by the CPU passes through a signal amplification circuit and then is sent to the relay connected with the circuit; and the relay conducts actuation to connect the alternating current contactor coil connected with the relay, and the sensing load gets electricity for work. The control circuit can lead the sensing heating device to flexibly switch among a plurality of loads, reduce the investment cost and improve the equipment work efficiency.
Description
Technical field
The utility model belongs to the charging circuit technical field, and what relate generally to is a kind of multi-region control circuit that is used for induction heating power.
Background technology
Induction heater is the device that electric energy is directly changed into heat energy by magnetic field.Have efficiency of heating surface height, easy to use, improve production environment, the characteristics of saves energy can effectively promote the processing quality and the production efficiency of product.Induction heater of the prior art, as shown in Figure 1, it comprises three-phase or single phase poaer supply S input, main power circuit, Switching Power Supply SA, pwm control circuit, driver element LED and inductive load RL1.Its operation principle is: three-phase or single phase poaer supply directly are connected with inductive load through main power circuit.Give pwm control circuit and drive circuitry after the Switching Power Supply work simultaneously, induction heating power is started working.The weak point of above-mentioned technology is: an induction heater can only be fixed on the induction coil works, and increases cost of investment, can not make full use of the usefulness of induction heater.
Summary of the invention
The purpose of this utility model produces thus, proposes a kind of multi-region control circuit that is used for induction heating power.Make induction heating power can be between a plurality of inductive loads flexible conversion, can reduce cost of investment, improve the operating efficiency of equipment.
The utility model realizes that the technical scheme that above-mentioned purpose is taked is: it is mainly by three-phase or single phase poaer supply S input, electric power main circuit, Switching Power Supply SA, pwm control circuit, driver element LED and a plurality of inductive load, control signal A, rectifier diode, current-limiting resistance, filter capacitor, photoelectrical coupler, the good ac contactor coil of relay is formed, three-phase or single phase poaer supply are connected with inductive load through A.C. contactor by electric power main circuit, Switching Power Supply respectively with the PWM control unit, driver element LED, the CPU connection also provides power supply, every road control signal A is the rectifies through being attached thereto all, the current-limiting resistance current limliting, give the main control end of photoelectrical coupler after the filter capacitor filtering, the controlled end of photoelectrical coupler is leaded up to current-limiting resistance and is connected with Switching Power Supply, CPU is advanced on another road, signal after CPU handles is given the relay that is attached thereto through signal amplification circuit, this relay adhesive makes the ac contactor coil conducting that is attached thereto, and inductive load gets electric work.
The utility model can make induction heater flexible conversion between a plurality of loads, and conversion is convenient, and is simple, intelligent quick.Can reduce cost of investment, improve the operating efficiency of equipment, increase production output.
Description of drawings
Fig. 1 is the circuit diagram of induction heating heater in the prior art.
Fig. 2 is the circuit diagram of induction heater in the utility model.
Embodiment
In conjunction with the accompanying drawings, it is as follows to provide embodiment of the present utility model:
The multi-region control circuit of induction heating power described in the utility model is by three-phase or single phase poaer supply S input existing, main power circuit, Switching Power Supply SA, pwm control circuit, on the basis of the inductive heating circuit that driver element LED and induction coil RL1 constitute, at main power circuit output a plurality of inductive loads that are connected in parallel, a plurality of corresponding respectively control signals that connect a plurality of inductive loads are set simultaneously, rectifier diode, current-limiting resistance, filter capacitor, photoelectrical coupler, relay, ac contactor coil, three-phase or single phase poaer supply S are connected with inductive load through A.C. contactor by electric power main circuit, Switching Power Supply SA respectively with the PWM control unit, driver element LED, the CPU connection also provides power supply, every road control signal is the rectifies through being attached thereto all, the current-limiting resistance current limliting, give the main control end of photoelectrical coupler U1 after the filter capacitor filtering, the controlled end of U1 is leaded up to current-limiting resistance and is connected with Switching Power Supply SA, CPU is advanced on another road, signal after CPU handles is given relay through signal amplification circuit RT, the relay adhesive makes the ac contactor coil conducting, and the inductive load that is attached thereto gets electric work.What amplifying circuit adopted is conventional circuit.
The described inductive load of present embodiment is three, is that example describes the utility model in detail with these three inductive loads below.
As shown in Figure 2: this circuit of multi-region control circuit of a kind of induction heating power comprises three-phase or single phase poaer supply S input, electric power main circuit, inductive load RL1, RL2, RL3, Switching Power Supply SA, pwm control circuit, driver element LED, control signal A, rectifier diode D1, D2, D3, current-limiting resistance R1 ... R9, filter capacitor C4, C5, C6, photoelectrical coupler U1, U2, U3, CPU, signal amplification circuit and the relay K 1, K2, the K3 that are connected with signal amplification circuit and ac contactor coil KM1, KM2, the KM3 that is connected with relay K 1, K2, K3.Three-phase or single phase poaer supply flow to an end of ac contactor contact, contact another termination inductive load RL1, RL2, RL3 by electric power main circuit.Give PWM control unit, driver element LED, CPU power supply simultaneously after the Switching Power Supply work.The control signal A that provides by temperature control system
1Through rectifier diode D1 rectification, current-limiting resistance R1, R4 current limliting, the main control end of giving photoelectrical coupler U1 after the filter capacitor C4 filtering, the controlled end of U1 is leaded up to current-limiting resistance R7 and is connected with Switching Power Supply SA, CPU is advanced on another road, and the signal after CPU handles is given relay K 1, the conducting of K1 adhesive A.C. contactor KM1 coil through signal amplification circuit RT, the KM1 adhesive, the inductive load RL1 that is attached thereto gets electric work.Control signal A
2Through rectifier diode D2 rectification, current-limiting resistance R2, R5 current limliting, the main control end of giving photoelectrical coupler U2 after the filter capacitor C5 filtering, the controlled end of U2 is leaded up to current-limiting resistance R8 and is connected with Switching Power Supply SA, CPU is advanced on another road, and the signal after CPU handles is given relay K 2, the conducting of K2 adhesive A.C. contactor KM2 coil through signal amplification circuit RT, the KM2 adhesive, the inductive load RL2 that is attached thereto gets electric work.Control signal A
3Through rectifier diode D3 rectification, current-limiting resistance R3, R6 current limliting, the main control end of giving photoelectrical coupler U3 after the filter capacitor C6 filtering, the controlled end of U3 is leaded up to current-limiting resistance R9 and is connected with Switching Power Supply SA, CPU is advanced on another road, and the signal after CPU handles is given relay K 3, the conducting of K3 adhesive A.C. contactor KM2 coil through signal amplification circuit RT, the KM3 adhesive, the inductive load RL3 that is attached thereto gets electric work.
Claims (2)
1. multi-region control circuit that is used for induction heating power, comprise three-phase or single phase poaer supply S input, electric power main circuit, inductive load, Switching Power Supply SA, pwm control circuit and driver element LED, it is characterized in that: described inductive load is a plurality of outputs that are connected in described main power circuit in parallel, the control signal of the corresponding inductive load of a plurality of difference is set simultaneously, rectifier diode, current-limiting resistance, filter capacitor, photoelectrical coupler, relay, ac contactor coil, three-phase or single phase poaer supply are connected with inductive load through A.C. contactor by electric power main circuit, Switching Power Supply respectively with the PWM control unit, driver element LED, the CPU connection also provides power supply, every road control signal A is the rectifies through being attached thereto all, the current-limiting resistance current limliting, give the main control end of photoelectrical coupler U1 after the filter capacitor filtering, the controlled end of U1 is leaded up to current-limiting resistance and is connected with Switching Power Supply, CPU is advanced on another road, signal after CPU handles is given the relay that is attached thereto through signal amplification circuit, this relay adhesive makes the ac contactor coil conducting that is attached thereto, and inductive load gets electric work.
2. the multi-region control circuit that is used for induction heating power according to claim 1 is characterized in that: described inductive load is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200411449U CN201608925U (en) | 2010-01-13 | 2010-01-13 | Multiregion control circuit used for sensing heating power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200411449U CN201608925U (en) | 2010-01-13 | 2010-01-13 | Multiregion control circuit used for sensing heating power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608925U true CN201608925U (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200411449U Expired - Fee Related CN201608925U (en) | 2010-01-13 | 2010-01-13 | Multiregion control circuit used for sensing heating power supply |
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| Country | Link |
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| CN (1) | CN201608925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797894A (en) * | 2011-09-15 | 2014-05-14 | 伊莱克斯家用产品股份有限公司 | An induction generator for induction heating devices and a method of operating the induction generator for induction heating elements |
| CN103828031A (en) * | 2011-08-17 | 2014-05-28 | 朗姆研究公司 | A system and method for monitoring temperatures of and controlling multiplexed heater array |
-
2010
- 2010-01-13 CN CN2010200411449U patent/CN201608925U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103828031A (en) * | 2011-08-17 | 2014-05-28 | 朗姆研究公司 | A system and method for monitoring temperatures of and controlling multiplexed heater array |
| CN103828031B (en) * | 2011-08-17 | 2016-10-26 | 朗姆研究公司 | For monitoring the temperature of multiplexing heater arrays and controlling the system and method for this array |
| CN103797894A (en) * | 2011-09-15 | 2014-05-14 | 伊莱克斯家用产品股份有限公司 | An induction generator for induction heating devices and a method of operating the induction generator for induction heating elements |
| CN103797894B (en) * | 2011-09-15 | 2015-12-23 | 伊莱克斯家用产品股份有限公司 | The method of operation of the induction generator for induction heating equipment and the induction generator for inductive heating element |
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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: 20101013 Termination date: 20130113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |