Electromagnetic heating system

A heating system, electromagnetic technology, applied in induction heating, induction heating control, induction current source and other directions, can solve the problems of large electric power loss, serious heat loss, slow heating speed, etc., to save energy, low energy consumption, avoid heat conduction Effect

Inactive Publication Date: 2009-10-28
NINGBO ZHIXIANG MOTOR DEVICE
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Problems solved by technology

[0002] In the traditional industrial control, most of the control methods of resistance heating are used, the thermal efficiency of converting electric energy into heat energy is low, the power consumption is large, the heating speed is slow, the heat loss is very serious, and the loss of electric power is large, while the electromagnetic heating system is used As an industrial heating control, it can greatly save electricity. For example, with a power of 3000 watts, the electromagnetic heating system only needs 3-4 amps of electricity, while the traditional resistance heating will consume more than 10 amps of electricity.

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Embodiment Construction

[0018] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0019] Important components of the electromagnetic heating system:

[0020] 1. IGBT tube

[0021] 2. M16C series chip

[0022] 3. Self-made metal melting cylinder and coil

[0023] 4. High frequency absorption capacitor

[0024] 5. Control the operational amplifier of the IGBT tube

[0025] The invention uses a microprocessor to control the current, voltage, temperature and the like of the electromagnetic heating system. ...

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Abstract

The invention relates to an electromagnetic heating system, comprising an alternating power supply, an over-current detection device, a temperature detection device, an over-voltage detection device and an electric heating coil; the alternating current power supply generates a direct current high voltage of more than 300V by a bridged rectifier and filter; the direct current voltage is connected with the electric heating coil of a metal glue-melting cylinder by an IGBT power tube; the over-current detection device, the temperature detection device, the over-voltage detection device are connected with a CPU control circuit (namely a microprocessor); the PWM wave generated by the microprocessor directly controls the G-pole control pin of the IGBT; the direct current voltage of 300V is inverted to the alternating current voltage; and the alternating current voltage generates a magnetic field in the electric heating coil. The electromagnetic heating system can achieve the technical characteristics of high precision, high efficiency, low energy dissipation, low noise, high automation, and the like, has wide prospect, can replace the traditional resistance-type heating injection machine, prompt the progress of the injection machine industry and improve the competitiveness capability to the international market.

Description

technical field [0001] The invention belongs to the technical field of industrial control electromagnetic heating, in particular to an electromagnetic heating system adopting the principle of magnetic field induction eddy current heating. Background technique [0002] In the traditional industrial control, most of the control methods of resistance heating are used, the thermal efficiency of converting electric energy into heat energy is low, the power consumption is large, the heating speed is slow, the heat loss is very serious, and the loss of electric power is large, while the electromagnetic heating system is used As an industrial heating control, it can greatly save electricity. For example, with a power of 3000 watts, the electromagnetic heating system only needs 3-4 amps of electricity, while the traditional resistance heating will consume more than 10 amps of electricity. . Contents of the invention [0003] The technical problem to be solved by the present invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/04H05B6/06H02M5/40
Inventor 肖冬生
Owner NINGBO ZHIXIANG MOTOR DEVICE
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