CN202121809U - Numerical control induction heating device - Google Patents

Abstract

A numerical control induction heating device is composed of a power part(110), a control part(200) and an induction part(100). The power part(110) comprises a rectification module(16), a filter capacitor(15), an IGBT power module(14), an output capacitor(13), an isolation transformer(12) and a resonant capacitor(11) orderly from a power supply RST to the resonant capacitor(11), the induction part(100) comprises an induction coil(10), and the control part(200) comprises a digitization core controller(22), a drive controller(23), an interface controller(24), a display(21) and a keyboard(20); wherein, the digitization core controller(22) is connected with the drive controller(23), the interface controller(24), the display(21) and the keyboard(20), the interface controller(24) is connected with the rectification module(16), the filter capacitor(15), the IGBT power module(14), the output capacitor(13), the isolation transformer(12), the resonant capacitor(11) and the induction coil(10), and the drive controller(23) is connected with the IGBT power module(14). By using the numerical control induction heating device of the utility model, the digitization high precision controls of the induction heating process, temperature, power, current and frequency are realized.

Description

The numerical control induction heating equipment

Technical field

The utility model is a kind of numerical control induction heating equipment.It has realized power, electric current, the frequency of High Accuracy Control induction heating process and temperature and induction heating.Its utilize induction heating basic principle and digital control principle realize high accuracy, height can be handling, high-power, environmental protection, energy-efficient induction heating.

Background technology

The history in existing more than 100 year of induction heating technique, it has certain superiority and uniqueness with respect to other such as flame, mode of heating such as infrared: (1) firing rate is fast, and is energy-saving and cost-reducing.Induction heating is from metal inside, penetrates deep layer and begins heating, has saved heat conduction time greatly, and loss is little.Other heating is from outside to inside, and the heat conduction time is long, and loss is big; (2) heating-up temperature is high, is contactless electromagnetic induction heating; (3) heat efficiency of induction heating is high, generally can reach 70%, and the heat efficiency of flame furnace has only generally about 30%; (4) operating environment is good, and environmental protection does not almost have pollutions such as heat, noise, dust; Operation is taken up an area of few, and production efficiency is high; (5) can heat complex-shaped workpiece, heating or melting can both discontinuous operations; (6) solution has function composite by electromagnetic stirring in the melting; Can adjust the molten metal composition equably, solution temperature is even, localized hyperthermia can not occur; Iron loss is few, and this point is even more important to the melting rare metal.

Induction heating technique has been widely used in the Fast Heating and the melting of metal material; But; Because receive such as influence of various factors such as control mode, control precision, anti-interference, power, frequency, load matched, resonance compensation, coolings, the induction heating that really induction heating is applied to metal materials such as high-precision temperature control, linear temperature increase, linear cooling but is quite difficult.

Summary of the invention

The purpose of the utility model is to provide the numerical control induction heating equipment that a kind of high accuracy, height can be handling, high-power, rational in infrastructure and with low cost.

It is made up of the utility model numerical control induction heating equipment power section 110, control section 200 and sensing part 100 3 parts; Power section 110 11 comprises rectification module 16, filter capacitor 15, IGBT power model 14 successively from power supply RST to resonant capacitance; Output capacitance 13; Isolating transformer 12, resonant capacitance 11, sensing part 100 comprises induction coil 10; Control section 200 comprises digitlization core controller 22; Driving governor 23, interface controller 24 and display 21 and keyboard 20, wherein digitlization core controller 22 connects driving governor 23, interface controller 24 and display 21 and keyboard 20; Interface controller 24 connects rectification module 16, filter capacitor 15, IGBT power model 14, output capacitance 13, isolating transformer 12, resonant capacitance 11 and induction coil 10, and driving governor 23 connects IGBT power model 14.

The utility model is a kind of numerical control induction heating equipment, and this equipment provides the control of digitlization core, IGBT inverter and flexible heating inductor; Can control, show and write down the variations in temperature of induction heating process in real time; Can realize that (1) is provided with the heating rate of induction heating process, rate of temperature fall, thermostat temperature and constant temperature time arbitrarily: may command, demonstration and record variation of temperature in (2) induction heating process; (3) temperature control precision can reach one thousandth.The utility model comprises that full-digital control, PWM phase shift Power Regulation, digitization frequencies are from technology such as motion tracking, Temperature Feedback PID, IGBT inversion, impedance matching, resonance compensation, flexible induction heater and cooling heat dissipations; Realized the induction heating that high accuracy, height can be handling; Make the utility model numerical control induction heating equipment have high monitoring characteristic, efficiency characteristic and fabulous resonance performance and security feature, possess simultaneously advantages of small volume, wide adaptability, dependable performance, advantage such as non-maintaining again.

Description of drawings

Fig. 1 is the utility model numerical control induction heating equipment system schematic.

Embodiment

It is made up of the utility model numerical control induction heating equipment power section 110, control section 200 and sensing part 100 3 parts; Power section 110 11 comprises rectification module 16, filter capacitor 15, IGBT power model 14 successively from power supply RST to resonant capacitance; Output capacitance 13; Isolating transformer 12, resonant capacitance 11, sensing part 100 comprises induction coil 10; Control section 200 comprises digitlization core controller 22; Driving governor 23, interface controller 24 and display 21 and keyboard 20, wherein digitlization core controller 22 connects driving governor 23, interface controller 24 and display 21 and keyboard 20; Interface controller 24 connects rectification module 16, filter capacitor 15, IGBT power model 14, output capacitance 13, isolating transformer 12, resonant capacitance 11 and induction coil 10, and driving governor 23 connects IGBT power model 14.The utility model numerical control induction heating equipment has been created digitlization core control circuit and core Control Software; Man-machine dialog interface; Digitization frequencies is from motion tracking; The Temperature Feedback closed loop, intelligent management and self-diagnosable system etc. are realized the high-precision temperature control and the control of complete machine core of the utility model; Created the IGBT Drive and Control Circuit,, realized the VFC and the power adjustments of the utility model with phase-shift PWM pattern control IGBT inverter circuit; Create impedance matching resonant compensating circuit, realized the impedance matching resonant compensation of the utility model, kept energy-efficient operating state; Create water-cooled, the flexible induction heating cable of big electric current and high temperature resistant blanket insulation, realize the flexible induction heater of the utility model; Create the cooling water cycle cooling system, realize the cooling of the flexible induction heater of the utility model; Create complete machine structure and air-cooled air channel, realize that the delicate structure of the utility model is reasonable, reliable, non-maintaining.

Be appreciated that the utility model numerical control induction heating equipment can high-precision sense of control answer heating process and temperature, be specially adapted to the induction heating of high accuracy, high-power, unfamiliar-looking metal material.

Be appreciated that the utility model numerical control induction heating equipment is to be applicable to for heating process high request to be arranged, the induction heating equipment of high request is arranged for heating-up temperature.

Claims (1)

1. numerical control induction heating equipment; It is made up of power section (110), control section (200) and sensing part (100) three parts; It is characterized in that: (11) comprise rectification module (16), filter capacitor (15), IGBT power model (14), output capacitance (13), isolating transformer (12) resonant electric capacity (11) to power section (110) successively from power supply RST to resonant capacitance; Sensing part (100) comprises induction coil (10); Control section (200) comprises digitlization core controller (22), driving governor (23), interface controller (24) and display (21) and keyboard (20); Wherein digitlization core controller (22) connects driving governor (23), interface controller (24) and display (21) and keyboard (20); Interface controller (24) connects rectification module (16), filter capacitor (15), IGBT power model (14), output capacitance (13), isolating transformer (12), resonant capacitance (11) and induction coil (10), and driving governor (23) connects IGBT power model (14).

Images