CN205793452U - A kind of nonmagnetic metal wire rod quickly senses heater - Google Patents

Abstract

This utility model relates to energy-efficient industrial electromagnetic induction technical field of heating, particularly relates to a kind of nonmagnetic metal wire rod and quickly senses heater.This utility model adopts the following technical scheme that a kind of quick induction heating apparatus of nonmagnetic metal wire rod, including high frequency controller and radio-frequency induction coil.High frequency controller includes that power circuit, rectification circuit, IGBT inverter circuit, IGBT drive module, protection circuit module, testing circuit module, human-computer interaction module are whole.High frequency controller output two ends connect radio-frequency induction coil and constitute electromagnetic induction heater.The utility model has the advantage of: novel quick electromagnetic induction heating apparatus energy-conservation, safe and environment-friendly, efficient, it is achieved metal wire rod firing rate that commercial production is nonmagnetic is fast, the thermal efficiency is up to more than 90%, energy-conservation 40% 80%.

Description

A kind of nonmagnetic metal wire rod quickly senses heater

Technical field

This utility model relates to energy-efficient industrial electromagnetic induction technical field of heating, particularly relates to a kind of nonmagnetic metal Wire rod quickly senses heater.

Background technology

The heating of nonmagnetic metal wire rod is a global problem.

At present, the heating of the nonmagnetic metal wire rod of commercial production mostly uses traditional mode of heating.Traditional heating mode It is to use the combustion heatings such as coal gas, fuel oil, coal and the heating of nonmagnetic metal wire rod self electrical shorts resistance-type, is passed by heat The mode of passing makes the nonmagnetic metal wire rod of heated object generate heat, and this mode of heating exists highly energy-consuming poor efficiency and environmental protection, safety Problem:

1, the thermal efficiency is low: the thermal efficiency only has 20-60%.

2, heat loss is big: heat significant portion is lost in air, causes the loss and waste of heat energy.

3, ambient temperature rises: owing to heat scatters and disappears in a large number, and ambient temperature raises, and especially summer is to production environment Impact is very big, and work on the spot temperature is more than 50 DEG C, and some enterprise has to use air-conditioning to reduce temperature, and this causes again the two of the energy Secondary waste.

4, naked light produces, easily causes the security incidents such as fire, blast, calcination.

5, using resistance-type short circuit thermal, whole production line is the most charged, easily causes electric shock casualty accident.

Electromagnetic induction heating is to make the nonmagnetic metal wire rod of heated object directly generate heat by electromagnetic induction, and the thermal efficiency reaches More than 90%, can using electricity wisely 40-80%, have that thermal source is stable simultaneously, heating rapidly, length in service life, lower heating power, fall The feature such as low ambient temperature, easy maintenance, can replace traditional heating mode completely.

Undoubtedly, the electromagnetic induction heating mode of novel high-efficiency and energy-saving substitutes tradition highly energy-consuming, inefficient adding completely Hot mode is the most necessary and feasible, and this power-saving technology development prospect is wide, is increasingly welcome by user.Guangdong Province Government lists " Guangdong Province's power-saving technology, equipment (product) recommend catalogue " (second batch) in December, 2010 in this technical products-- This technology is that high and new technology industrial development zone, Shantou pattra electromagnetism Science and Technology Ltd. is recommended.

Summary of the invention

The purpose of this utility model is to provide a kind of nonmagnetic metal wire rod quickly to sense heater, and specific purposes are A kind of energy-efficient quick induction heating apparatus of nonmagnetic metal wire rod is provided.

For reaching above-mentioned purpose, this utility model adopts the following technical scheme that a kind of nonmagnetic metal wire rod quickly senses Heater, including high frequency controller and IGBT inverter circuit, high frequency controller is built in control chamber, high frequency controller bag Include power circuit, rectification circuit, IGBT inverter circuit, IGBT drive module, protection circuit module, testing circuit module, man-machine Interactive module, the first input contact of the first electrode electrical connection IGBT inverter circuit of rectification circuit output, rectification circuit exports Second electrode connect IGBT inverter circuit second input contact, singlechip controller control connect IGBT drive module, The driving contact of IGBT drive module drive connection IGBT inverter circuit, IGBT inverter circuit two outfan electrical connection high-frequency induction The two ends of coil.

Further, the setting between first electrode and the first input contact of IGBT inverter circuit of rectification circuit VCE testing circuit, VCE testing circuit electrical connection synchronous circuit, synchronous circuit electrical connection oscillating circuit.

Further, above-mentioned protection circuit module includes: be arranged between power circuit and rectification circuit crosses stream, mistake Voltage protection circuit and be arranged on the pop wave absorbing circuit between stream, overvoltage crowbar and rectification circuit.

Further, testing circuit module includes VAC, IAC inspection being arranged between rectification circuit and pop wave absorbing circuit Slowdown monitoring circuit and the VCE testing circuit being arranged between the first electrode of rectification circuit and a tip node of IGBT inverter circuit.

Further, VAC, IAC testing circuit is electrically connected power adjusting circuit, current detection circuit, voltage detecting Circuit, comparison circuit, single chip machine controlling circuit is electrically connected adjustment circuit, current detection circuit, voltage detecting circuit, compares Circuit.

Further, VCE testing circuit also electrically connects comparison circuit.

Preferably, above-mentioned human-computer interaction module includes: the display circuit that electrically connects with singlechip controller respectively, online Interface circuit, control signal circuit.

Preferably, also setting up control power circuit, the input controlling power circuit is connected to pop wave absorbing circuit with whole Between current circuit, the outfan controlling power circuit is electrically connected the drive circuit of singlechip controller, IGBT drive module.

Preferably, above-mentioned radio-frequency induction coil is wrapped in several high-frequency magnetic, and high-frequency magnetic is equipped with heating The breach that pipeline passes, is provided with shell outside radio-frequency induction coil, outer casing bottom is provided with for accepting above-mentioned radio-frequency induction coil The support of circle.

The utility model has the advantage of: the electromagnetic induction heating mode inventing a kind of novel high-efficiency and energy-saving substitutes biography completely System highly energy-consuming, inefficient nonmagnetic metal wire rod mode of heating, create the new and effective electromagnetic heater of safety and environmental protection, real Existing commercial production firing rate is fast, the thermal efficiency is up to more than 90%, energy-conservation 40%-80%.

Accompanying drawing illustrates:

Accompanying drawing 1 is the nonmagnetic metal wire rod quick induction heating apparatus three-dimensional structure diagram of embodiment 1；

Accompanying drawing 2 is the nonmagnetic metal wire rod quick induction heating apparatus circuit structure diagram of embodiment 1；

Accompanying drawing 3 is the radio-frequency induction coil attachment structure schematic diagram of embodiment 1；

Accompanying drawing 4 is the magnetic induction line schematic diagram of the radio-frequency induction coil of embodiment 1.

Detailed description of the invention:

Embodiment 1: with reference to Fig. 1-3, a kind of quick induction heating apparatus of nonmagnetic metal wire rod, including high frequency controller 11 And IGBT inverter circuit, high frequency controller 11 is built in control chamber 1, and high frequency controller 11 includes power circuit, rectified current Road, IGBT inverter circuit, IGBT drive module, protection circuit module, testing circuit module, human-computer interaction module, rectification circuit First input contact of the first electrode electrical connection IGBT inverter circuit of output, the second electrode of rectification circuit output connects IGBT Second input contact of inverter circuit, singlechip controller controls to connect IGBT drive module, IGBT drive module drive connection The driving contact of IGBT inverter circuit, the two ends of IGBT inverter circuit two outfan electrical connection radio-frequency induction coil L1.

IGBT drive module includes: singlechip controller controls the oscillating circuit connected, and oscillating circuit controls to connect driving Circuit, the driving contact of drive circuit drive connection IGBT inverter circuit, VCE testing circuit also electrically connects synchronous circuit, synchronizes Circuit electrical connection output is to oscillating circuit.

In above-described embodiment, rectification circuit the first input of the first electrode electrical connection IGBT inverter circuit exported connects Point, the second electrode of rectification circuit output connects the main circuit that the second input contact of IGBT inverter circuit connects and composes.

In above-described embodiment, IGBT is particularly suited for high-power IGBT.

In its work process, power circuit is that the voltage of output AC 220V/380V 50Hz passes through rectification circuit by 50Hz Exchange become unidirectional current, synchronous circuit is Tong Bu for controlling the holding of oscillating circuit and above-mentioned main circuit, and drive circuit passes through The rectangular pulse of oscillating circuit output drives above-mentioned main circuit work, and IGBT inverter circuit is by monolithic processor controlled vibration The control of rectangular pulse circuit driven of circuit output and on or off, the concrete frequency that is converted to by direct current is 16kHz- The high-frequency high-voltage of 80kHz, its concrete frequency can select as required and regulate, and the output of IGBT inverter circuit is paramount When frequently producing high frequency magnetic field around induction coil L1, the electric current of change can produce the magnetic field of change at a high speed by coil at a high speed, when When the magnetic line of force in magnetic field is by heating object (conductive magneto-conductive material), can make that calandria is internal produces countless little eddy current and fast Speed heating.

In order to make the work that circuit can be stable, the protection circuit module arranged in high frequency controller 11 includes: be arranged on Crossing stream, overvoltage crowbar and being arranged on stream, overvoltage crowbar and rectified current between power circuit and rectification circuit Pop wave absorbing circuit between road.

Cross stream, overvoltage protection can be effectively protected circuit devcie in circuit and occur to play protection work when stream or overvoltage With, improve the service life of electric elements in circuit.

Pop wave absorbing circuit can effectively suppress owing to producing during the use of the speed-sensitive switch in IGBT inverter circuit Raw surge current or surge voltage, it is higher that soft chopped wave power-regulating can make the power factor of whole power supply and inverter be held at Value.

Testing circuit module include VAC, IAC testing circuit of being arranged between rectification circuit and pop wave absorbing circuit and It is arranged on the VCE testing circuit between the first electrode of rectification circuit and the first input contact of IGBT inverter circuit, VAC, IAC Testing circuit is respectively used to detect the magnitude of voltage of rectification circuit input end, current value.

Preferably, going back current-limiting reactor between VCE testing circuit and the first electrode of rectification circuit, concrete hands over for stoping The inductive coil of time-dependent current.

VAC, IAC testing circuit is electrically connected power adjusting circuit, current detection circuit, voltage detecting circuit, compares Circuit, single chip machine controlling circuit is electrically connected adjustment circuit, current detection circuit, voltage detecting circuit, comparison circuit, VCE Testing circuit also electrically connects comparison circuit.

Respectively the analog data of the voltage detected, electric current is fed back to electric current accordingly by VAC, IAC testing circuit Testing circuit, voltage detecting circuit, power adjusting circuit feed back singlechip controller and comparison circuit, VCE after changing again The analog data that testing circuit detects also feeds back to carry out data process to singlechip controller in comparison circuit, and electric current is examined The display circuit that the analog data that slowdown monitoring circuit, voltage detecting circuit, power adjusting circuit detect also feeds back to shows Show.

Comparison circuit compare according to built-in basic parameter after feedback data is in singlechip controller again, preferably , above-mentioned human-computer interaction module includes: the display circuit that electrically connects with singlechip controller respectively, on-line interface circuit, control Signal circuit processed, test circuit, concrete, display circuit is displayed for the numerical value such as the electric current by upper detection, voltage, power And the analog data etc. of VCE testing circuit detection, on-line interface is then applicable to external control equipment and communicates use, Control signal circuit thus regulates the functions such as the power of output for the control signal receiving the outside inputs such as such as button.

Preferably, arranging control power circuit, the input controlling power circuit is connected to pop wave absorbing circuit and rectification Between circuit, the outfan controlling power circuit is electrically connected singlechip controller, the drive circuit of IGBT drive module is Above-mentioned circuit devcie is powered.

Preferably, above-mentioned radio-frequency induction coil L1 is wrapped in several high-frequency magnetic 4, and high-frequency magnetic 4 is equipped with Add the breach 41 that hot channel 5 passes, be provided with shell 2 outside radio-frequency induction coil L1, be provided with for accepting above-mentioned bottom shell 2 The support 3 of radio-frequency induction coil L1, when high frequency controller 11 starts, then acts at radio-frequency induction coil L1 and high-frequency magnetic 4 Lower generation magnetic induction line, adds hot channel 5 and is positioned at the position that magnetic induction line is the most intensive, thus heat nonmagnetic metal wire.

Preferably, above-mentioned singlechip controller also electrically connects cooling system, and concrete goes for startup or close Being placed in the cooling system of high frequency controller 11, cooling system can be fan, singlechip controller start fan to high frequency control Dispel the heat in device processed.

Preferably, the material of heating is nonmagnetic metal wire rod S, a diameter of 0.50mm-5mm of nonmagnetic metal wire rod, Nonmagnetic metal wire rod material is austenitic stainless steel, aluminum, copper, gold, silver etc. and their alloy material.

Certainly, these are only this utility model better embodiment, not limit range of the present utility model with this, Therefore, every make in this utility model principle equivalence change should be included in protection domain of the present utility model.

Claims (8)

1. the quick induction heating apparatus of nonmagnetic metal wire rod, including high frequency controller and IGBT inverter circuit, high frequency Controller is built in control chamber, and high frequency controller includes that power circuit, rectification circuit, IGBT inverter circuit, IGBT drive mould Block, protection circuit module, testing circuit module, human-computer interaction module, the first electrode electrical connection IGBT of rectification circuit output is inverse The first input contact on power transformation road, the second electrode of rectification circuit output connects the second input contact of IGBT inverter circuit, single Sheet machine controller control connection IGBT drive module, the driving contact of IGBT drive module drive connection IGBT inverter circuit, The two ends of IGBT inverter circuit two outfan electrical connection radio-frequency induction coil, radio-frequency induction coil is wrapped in several high-frequency magnetic On, high-frequency magnetic being equipped with and adds the breach that hot channel passes, outside radio-frequency induction coil, be provided with shell, outer casing bottom is provided with use In the support accepting above-mentioned radio-frequency induction coil.

One the most according to claim 1 the is nonmagnetic quick induction heating apparatus of metal wire rod, at the first of rectification circuit Arranging VCE testing circuit between first input contact of electrode and IGBT inverter circuit, the electrical connection of VCE testing circuit synchronizes electricity Road, synchronous circuit electrical connection oscillating circuit.

One the most according to claim 1 the is nonmagnetic quick induction heating apparatus of metal wire rod, it is characterised in that: above-mentioned Protection circuit module includes: be arranged between power circuit and rectification circuit crosses stream, overvoltage crowbar and be arranged on Stream, pop wave absorbing circuit between overvoltage crowbar and rectification circuit.

4., according to the one quick induction heating apparatus of nonmagnetic metal wire rod described in any one of claim 1-3, its feature exists In: testing circuit module includes VAC, IAC testing circuit being arranged between rectification circuit and pop wave absorbing circuit.

One the most according to claim 4 the is nonmagnetic quick induction heating apparatus of metal wire rod, it is characterised in that: VAC, IAC testing circuit is electrically connected power adjusting circuit, current detection circuit, voltage detecting circuit, comparison circuit, single-chip microcomputer control Circuit processed is electrically connected adjustment circuit, current detection circuit, voltage detecting circuit, comparison circuit.

One the most according to claim 4 the is nonmagnetic quick induction heating apparatus of metal wire rod, it is characterised in that: VCE examines Slowdown monitoring circuit electrical connection comparison circuit.

One the most according to claim 5 the is nonmagnetic quick induction heating apparatus of metal wire rod, it is characterised in that: above-mentioned Human-computer interaction module includes: the display circuit that electrically connects with singlechip controller respectively, on-line interface circuit, control signal electricity Road.

One the most according to claim 1 the is nonmagnetic quick induction heating apparatus of metal wire rod, it is characterised in that: also set up Controlling power circuit, the input controlling power circuit is connected between pop wave absorbing circuit and rectification circuit, controls power supply electricity The outfan on road is electrically connected the drive circuit of singlechip controller, IGBT drive module.