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Method for heating stainless steel based on intelligent phase-breaking voltage reduction

A technology of stainless steel and stainless steel knives, applied in the direction of induction heating, coil device, etc., can solve the problem of inability to heat stainless steel knife handles, and achieve the effect of improving work efficiency and reducing costs

Active Publication Date: 2019-11-05
CENTRIX EG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an intelligent method for heating stainless steel with phase failure and step-down to solve the problem that the current high-power thermal charging machine cannot heat the stainless steel handle

Method used

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  • Method for heating stainless steel based on intelligent phase-breaking voltage reduction

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The method for heating stainless steel with intelligent phase-break step-down in the embodiment of the present invention comprises the following steps:

[0046] Step 1. Write and store the program for heating the stainless steel handle.

[0047] Wherein, for the convenience of storage, the programmed heating stainless steel handle program can be stored in the memory of the microprocessor of the control terminal.

[0048] Step 2. Create the option of "Stainless Steel Knife Holder Hot Loading" on the operation control interface.

[0049] Step 3. Select "Stainless Steel Knife Handle" and start the heating button of the thermal charging machine.

[0050] Step 4. Identify the size of the stainless steel handle, and at the same time, the circuit control terminal of the power coil automatically disconnects one phase of the three-phase current at the current input terminal in the power coil circuit.

[0051] Among them, when identifying the size of the stainless steel handle,...

Embodiment 2

[0060] In this embodiment, compared with embodiment 1, in step 4, when identifying the size of the stainless steel knife handle, in order to solve the problem of high cost of automatic identification of the power coil, the knife handle can be automatically identified through passive coil induction detection.

[0061]In specific applications, when the tool handle is automatically identified through passive coil induction detection, the following steps are included:

[0062] Step 401, nesting the passive coil on the periphery of the power coil.

[0063] Step 402 : Determine the frequency and time of the optimum heating current of the power coils corresponding to different tool holder sizes, and the corresponding inductance of the passive coils under different tool holder sizes, and write and store corresponding control programs according to the determined results.

[0064] Step 403 , start the heating of the thermal charging machine.

[0065] Step 404 , the passive coil exhibit...

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Abstract

The invention discloses a method for heating stainless steel based on intelligent phase-breaking voltage reduction, which belongs to the field of electromagnetic induction heating. The key points of the technical scheme of the invention are as follows: compiling and storing a stainless steel knife handle heating program; creating a 'stainless steel knife handle shrinkage fitting' option on an operation control interface; starting a heating button of a shrinkage fitting machine after selecting a 'stainless steel knife handle'; identifying the size of the stainless steel knife handle, and automatically disconnecting one phase of the three-phase current at the current input end in the circuit of a power coil; and according to the identified size of the stainless steel knife handle, introducing AC power of a specific frequency and time into the power coil to start heating the stainless steel knife handle. When the material of the knife handle is alloy steel, the input current is three-phase AC dynamic power. When the material of the knife handle is stainless steel, one phase of the input three-phase AC dynamic power is intelligently disconnected, and the input current is two-phase AC power. The problem that the existing high-power shrinkage fitting machine cannot heat a stainless steel knife handle is solved, the working efficiency is reduced, and the purchase cost of the shrinkagefitting machine is reduced.

Description

technical field [0001] The invention relates to electromagnetic induction heating technology, in particular to a method for heating stainless steel with intelligent phase breaking and pressure reduction. Background technique [0002] The principle of electromagnetic induction heating is: the alternating current generated by the induction heating power supply generates an alternating magnetic field through the inductor, which will generate an alternating current in the metal placed in it, and the conductor placed in it will heat up due to the Joule heating effect. . That is, induction heating is a heating method that converts electrical energy into magnetic energy, then converts magnetic energy into electrical energy, and finally reheats electrical energy. Compared with the traditional heating method of heat transfer, its heating speed is fast and the energy utilization rate is high. The heating aspect of metals is being used more and more. The principle of the heat-shrinka...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/02H05B6/36
CPCH05B6/02H05B6/36
Inventor 夏科尧李海峡欧佳林
Owner CENTRIX EG