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Electromagnetic internal heating device

An electromagnetic heater and internal heating technology, which is applied to water heaters, fluid heaters, lighting and heating equipment, etc., can solve the problems of wire group insulation layer aging, coil coil support melting, leakage service life, etc., to improve service life , Reduce material cost, low heat loss effect

Pending Publication Date: 2017-12-08
SHENZHEN CHK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The internal heating method of the container, such as the fast heating method on the market, is based on connecting the power cord to the heating tube and placing it in the container to directly heat the liquid. This method has the characteristics of high thermal efficiency and fast heating, but its production process is complicated. The insulation effect is poor, there are major safety hazards of leakage and short service life
[0004] The external heating method of the container, the traditional heating process uses the heating tube embedded on the metal plate, and then conducts the heat to the pot. This method heats slowly and has low thermal efficiency, which still has potential safety hazards as above.
[0005] Ordinary induction cooker heats the pot body through electromagnetic coils, which has the advantage of fast heating and high efficiency, but the heat from the bottom of the pot will be directly transmitted back to the panel, resulting in melting of the coil plate support and aging of the insulation layer of the wire group, resulting in Major safety accident caused by short circuit fire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0025] See figure 1 , an electromagnetic internal heating device with a metal sheet at the bottom of the container provided in this embodiment, including from top to bottom: 1-container, 2-silica gel, 3-metal sheet, 4-base, 5-bottom electromagnetic coil disk, 5.1-coil bracket, 5.2-coil, 5.3-magnetic strip, 6-silica gel, 7-infrared sensor, 8-circuit control board, 9-fan, 10-fan suction port.

[0026] The container 1 described in this implementation can be made of hard high temperature resistant non-metallic material, such as glass, and there is a boss 1.4 at the center of the bottom of the container.

[0027] The metal sheet 3 is installed on the container boss 1.4 through the silica gel 2. There is a certain distance between the metal sheet 3 and the bottom of the container 1. There is an induction coil 5.2 below the container 1. This distance needs to ensure that the magnetizer is in the magnetic field range.

[0028] The bottom electromagnetic coil plate 5 is installed unde...

no. 2 example

[0032] See figure 2 , The electromagnetic internal heating device provided by this embodiment for suspending a magnetic material in a container, including from top to bottom: 1-container, 2-magnetic conductor, 3-top cover, 4-base, 5-bottom electromagnetic coil plate , 5.1-coil bracket, 5.2-coil, 5.3-magnetic strip, 6-silica gel, 7-infrared sensor, 8-circuit control board, 9-fan, 10-fan air outlet.

[0033] The container 1 described in this implementation can be made of hard high temperature resistant non-metallic material, such as glass.

[0034] The magnetizer 2 can be a metal ring, one end of which is fixed on the inner cover of the upper cover 3 in the form of a cantilever beam. When the upper cover 3 is placed on the container 1, there is a certain distance between the magnetizer 2 and the bottom of the container 1, and this distance needs to be guaranteed The magnetizer 2 is within the range of the magnetic field.

[0035] The bottom electromagnetic coil disk 5 is inst...

no. 3 example

[0039] See image 3 , an electromagnetic internal heating device for the inner wall of the container provided by this embodiment, from top to bottom includes: 1-container, 1.2-magnetic conductive film, 2-base, 3-bottom electromagnetic coil plate, 3.1-coil support , 3.2-coil, 3.3-magnetic strip, 4-silica gel, 5-infrared sensor, 6-circuit control board, 7-fan, 8-fan air outlet.

[0040] The container 1 described in this implementation can be made of hard high temperature resistant non-metallic material, such as glass.

[0041] The magnetically permeable film 1.2 is attached to the inner wall of the container, and there is a certain distance between the magnetically permeable film 1.2 and the bottom electromagnetic coil disk 3, and this distance needs to ensure that the magnetically permeable film 1.2 is within the range of the magnetic field.

[0042] The bottom electromagnetic coil disk 3 is installed at the bottom of the electromagnetic heater, and the current passes through th...

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Abstract

Disclosed is an electromagnetic internal heating device. The electromagnetic internal heating device comprises a container, a magnetizer and an electromagnetic heater. The container and the electromagnetic heater are arranged in a split mode. According to the innovation, the magnetizer is arranged in the container, the container is arranged on the electromagnetic heater, and the electromagnetic heater comprises an electromagnetic coil panel. After the electromagnetic heater is electrified, a high-frequency alternating magnetic field is generated by the electromagnetic coil panel, the magnetizer in the container cuts alternating magnetic lines to generate eddy current, electric energy is converted into heat energy, and then the container is heated. According to the electromagnetic internal heating device, a heating body arranged inside the container is heated by the use of the electromagnetic induction principle, is immersed into the container which contains liquid, and directly conducts heating on the liquid.

Description

technical field [0001] The invention relates to a device for heating a heating element inside a container by using the principle of electromagnetic induction. Background technique [0002] The current status of liquid heating appliances is as follows: [0003] The internal heating method of the container, such as the fast heating method on the market, is based on connecting the power cord to the heating tube and placing it in the container to directly heat the liquid. This method has the characteristics of high thermal efficiency and fast heating, but its production process is complicated. The insulation effect is poor, there is a major safety hazard of leakage and a short service life. [0004] The external heating method of the container, the traditional heating process uses the heating tube embedded in the metal plate, and then conducts the heat to the pot. This method heats slowly and has low thermal efficiency, which still has potential safety hazards as above. [000...

Claims

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Application Information

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IPC IPC(8): F24H1/20F24H9/18
CPCF24H1/201F24H9/1818F24H2250/08
Inventor 张勇涛
Owner SHENZHEN CHK
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