CN206894936U

CN206894936U - A kind of electromagnetic induction heating system of economize on electricity

Info

Publication number: CN206894936U
Application number: CN201720732884.9U
Authority: CN
Inventors: 吴西锋
Original assignee: Ningxia Ling Feng Yuan Energy Technology Co Ltd
Current assignee: Ningxia Ling Feng Yuan Energy Technology Co Ltd
Priority date: 2017-06-22
Filing date: 2017-06-22
Publication date: 2018-01-16
Anticipated expiration: 2027-06-22

Abstract

The utility model belongs to power-saving technique field, is related to a kind of electromagnetic induction heating system of economize on electricity.The system, including metal object, the outer wrap of metal object has heat insulation layer, the outside of heat insulation layer is wound with least 1 group of high temperature sensing cable, the both ends of high temperature sensing cable connect plug-in unit by D.C. high-current and are connected with electromagnetic heating controller, the heating module of electromagnetic heating controller includes main circuit, drive circuit and control circuit, the driving of the first IGBT module and the driving of the second IGBT module of main circuit are connected with the module drive interface of drive circuit, control circuit is connected with drive circuit, heat insulation layer is at least 2 layers of nanoporous aerogel blanket, the thickness of heat insulation layer is 20mm~25mm.Using the system, the heat loss of metal object can be eliminated, reduces heat transfer and heat energy loss, make heat utilization efficiency that high temperature sensing cable can be made to work at low ambient temperatures, electric power resource 35%~75% can be saved, technology is accurate, stable up to more than 95%.

Description

A kind of electromagnetic induction heating system of economize on electricity

Technical field

The utility model belongs to power-saving technique field, is related to a kind of electromagnetic induction heating system of economize on electricity.

Background technology

Traditional heating industry, after usually relying on energization, the self-heating of resistance wire and quartz transfers heat to metal Object, so as to play a part of heating article, however, the heat utilization ratio of this mode of heating is no more than 50%, it is not utilized Heat be then dispersed into air, thus cause the adverse consequences that energy loss is big, the thermal efficiency is low.Electromagnetic induction heating system is By current induced magnetic field, so that metal object self-heating, the vortex that the magnetic field of exchange senses in metal can produce Fuel factor, this heating means have the characteristics of efficiency of heating surface is high, firing rate is fast compared with traditional heating.With World Economics Rapid growth, the phenomenon of worsening shortages is presented in the supply of the energy and raw material, and China is as manufacture big country, the speed of energy resource consumption Degree is very surprising, and especially in recent years, with the increase of manufacturing industry cost, domestic manufacturing competition is also increasingly fierce, therefore, section About the energy is as enterprise's increase economic benefit, the important means for reducing operating cost, improving competitiveness, therefore, in electrical heating In industry, it is still necessary to improve constantly the heat utilization efficiency and power saving rate of system, the progress for society contributes.

The content of the invention

The purpose of this utility model is to provide a kind of electromagnetic induction heating system, power saving rate height, heat utilization efficiency height, performance It is stable, it is simple in construction.

The utility model solve above-mentioned technical problem technical scheme be：

A kind of electromagnetic induction heating system of economize on electricity, including metal object, the outer wrap of metal object have insulation Layer, the outside of heat insulation layer are wound with least 1 group of high temperature sensing cable, the both ends of high temperature sensing cable and pass through D.C. high-current Connection plug-in unit is connected with electromagnetic heating controller；Electromagnetic heating controller includes heating module and shell, and heating module includes master Circuit, drive circuit and control circuit, main circuit include three-phase commutation bridge, the first filter capacitor, the first IGBT being sequentially connected Module drive, the second filter capacitor, the driving of the second IGBT module, the driving of the first IGBT module are connected with coil terminals, and second IGBT module driving is connected with resonant capacitance, and resonant capacitance is connected with coil terminals；Main circuit the first IGBT module driving and The driving of second IGBT module is connected with the module drive interface of drive circuit, the drive signal interface and drive circuit of control circuit Drive signal interface connection；Display panel is equipped with the shell of electromagnetic heating controller, for showing Electromagnetic Heating control The control circuit connection of power gear, magnitude of voltage, current value, temperature and the frequency of device, display panel and heating module；Thermal insulation separation Thermosphere is at least 2 layers of nanoporous aerogel blanket, and the thickness of heat insulation layer is 20mm~25mm.

In addition, the material of high temperature sensing cable is tin-coated copper, the group distance of high temperature sensing cable is 10cm~20cm, directly Stream high current connection plug-in unit is arranged in cable trough.

Using having the beneficial effect that for the utility model economize on electricity electromagnetic induction heating system, main circuit uses IGBT full-bridge invertings Circuit, drive circuit are used DSP digital programmable technologies, are made circuit anti-interference using digital servo-control control IGBT, control circuit, Technology is accurate, stable；Nanoporous aerogel blanket using at least 2 layers vacuum forming makees heat insulation layer, can eliminate metal object The heat loss of body, prevent the heat of metal object from distributing, reduce heat transfer and heat energy loss, make heat utilization efficiency up to 95% with On, meanwhile, the external skin temperatures of high temperature sensing cable can be made to be in less than 50 DEG C, work at low ambient temperatures, prevent operating personnel Scald, burn also make that current power is more constant, and service life is longer；Compared to traditional mode of heating, electric power resource can be saved 35%~75%；Production efficiency is effectively improved, simple in construction, stable performance, temperature control is accurate.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model economize on electricity electromagnetic induction heating system；

Fig. 2 is the structural representation of the heating module of the utility model electromagnetic heating controller.

Coding in accompanying drawing is respectively：1 is metal object, and 2 be heat insulation layer, and 3 be that high temperature senses cable, and 4 be direct current High current connects plug-in unit, and 5 be electromagnetic heating controller, and 6 be heating module, and 6-1 is main circuit, and 6-11 is three-phase commutation bridge, 6- 12 be the first filter capacitor, and 6-13 drives for the first IGBT module, and 6-14 is the second filter capacitor, and 6-15 is the second IGBT module Driving, 6-16 is resonant capacitance, and 6-17 is coil terminals, and 6-2 is drive circuit, and 6-3 is control circuit, and 7 be cable trough.

Embodiment

As shown in figure 1, a kind of electromagnetic induction heating system of economize on electricity, including metal object 1, the outside bag of metal object 1 Heat insulation layer 2 is wrapped with, the outside of heat insulation layer 2 is wound with 3 groups of high temperature sensing cables 3, and the both ends of high temperature sensing cable 3 lead to D.C. high-current connection plug-in unit 4 is crossed to be connected with electromagnetic heating controller 5；Electromagnetic heating controller 5 is including heating module 6 and outside Shell, heating module 6 include main circuit 6-1, drive circuit 6-2 and control circuit 6-3, and main circuit 6-1 includes three be sequentially connected Commutating phase bridge 6-11, the first filter capacitor 6-12, the first IGBT module driving 6-13, the second filter capacitor 6-14, the 2nd IGBT Module drive 6-15, the first IGBT module driving 6-13 be connected with coil terminals 6-17, the second IGBT module driving 6-15 with it is humorous Shake electric capacity 6-16 connections, resonant capacitance 6-16 is connected with coil terminals 6-17；Main circuit 6-1 the first IGBT module driving 6-13 It is connected with the second IGBT module driving 6-15 with drive circuit 6-2 module drive interface, control circuit 6-3 drive signal connects Mouth is connected with drive circuit 6-2 drive signal interface；Display panel is equipped with the shell of electromagnetic heating controller 5, is used for Show power gear, magnitude of voltage, current value, temperature and the frequency of electromagnetic heating controller 5, display panel and heating module 6 Control circuit 6-3 connections；Heat insulation layer 2 is 4 layers of nanoporous aerogel blanket, and the thickness of heat insulation layer 2 is 22mm；It is in addition, high It is tin-coated copper that warming, which answers the material of cable 3, and the group distance of high temperature sensing cable 3 is 15cm, and D.C. high-current connection plug-in unit 4 is set Put in cable trough 7.

In addition, main circuit 6-1 uses IGBT full bridge inverters, drive circuit 6-2 is using digital servo-control control IGBT, control Circuit 6-3 processed uses DSP digital programmable technologies.

Electromagnetic induction heater is a kind of device that heat energy is converted electrical energy into using electromagnetic induction principle, and this practicality is new The operation principle of type electromagnetic induction heating system is, electromagnetic heating controller 5 is by power frequency 220V or 380V, 50/60Hz exchange Electric rectification becomes direct current, then direct current is changed into the high-frequency high-voltage current that frequency is 10~40KHz；When the high frequency of high speed change When high-tension current flows through high temperature sensing cable 3 by D.C. high-current connection plug-in unit 4, the alternating magnetic field of change at a high speed can be produced, Alternate magnetic force line in magnetic field produces countless small vortex in metal object 1, and these vortex make metallic atom carry out high speed nothing The motion of rule, by the generation heat energy that collides with each other and rub of atom, further metal object is set to generate heat；It is wrapped in metal object The nanoporous aerogel blanket heat insulation layer 2 on the surface of body 1, heat loss can be reduced, improve the thermal efficiency.

Claims

A kind of 1. electromagnetic induction heating system of economize on electricity, it is characterised in that

Including metal object, the outer wrap of the metal object has heat insulation layer, the outside winding of the heat insulation layer There are at least 1 group of high temperature sensing cable, the both ends of the high temperature sensing cable to connect plug-in unit and Electromagnetic Heating by D.C. high-current Controller connects；

The electromagnetic heating controller includes heating module and shell；

The heating module includes main circuit, drive circuit and control circuit；

The main circuit includes the driving of three-phase commutation bridge, the first filter capacitor, the first IGBT module, the second filtering being sequentially connected Electric capacity, the driving of the second IGBT module, the first IGBT module driving are connected with coil terminals, the second IGBT module driving It is connected with resonant capacitance, the resonant capacitance is connected with coil terminals；

The driving of the first IGBT module and the driving of the second IGBT module of the main circuit and the module drive interface of drive circuit connect Connect, the drive signal interface of the control circuit and the drive signal interface of drive circuit connect；

Display panel, the control circuit connection of the display panel and heating module are equipped with the shell；

The heat insulation layer is at least 2 layers of nanoporous aerogel blanket, and the thickness of the heat insulation layer is 20mm~25mm.
2. a kind of electromagnetic induction heating system of economize on electricity as claimed in claim 1, it is characterised in that the high temperature senses cable Material be tin-coated copper.
3. a kind of electromagnetic induction heating system of economize on electricity as claimed in claim 1, it is characterised in that the high temperature senses cable Group distance be 10cm~20cm.
4. a kind of electromagnetic induction heating system of economize on electricity as claimed in claim 1, it is characterised in that the D.C. high-current connects Connector is arranged in cable trough.