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Electronic water heater

An electronic and magnetic induction water heater technology, applied in fluid heaters, lighting and heating equipment, etc., can solve the problems of complex power amplifier circuits and large magnetic leakage, and achieve the effects of high energy efficiency, powerful functions, and simple and compact circuits

Inactive Publication Date: 2006-07-19
洪祥鹰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] Disadvantages: the power amplifier circuit is complicated; the energy transfer heat exchanger is an iron corrugated tube, and the magnetic flux leakage is large

Method used

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  • Electronic water heater
  • Electronic water heater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Refer to attached figure 1 And attached figure 2 or attached image 3 or attached Figure 4. For electronic water heaters, the mains power is controlled by a water pressure switch, and the 300V DC is rectified by the bridge stack to form a circuit through the heating coil and IGBT. Under the control of the PWM switching pulse, the IGBT works with the heating coil and the vibration capacitor connected in parallel, and generates high-frequency alternating current in the heating coil. The bottom of the plate-type heat exchange box, which is relatively close to the insulating assembly of the disc-shaped heating coil, generates a strong eddy current and heats up rapidly, and the electromagnetic energy in the heating coil is converted into heat energy. The water flowing through the groove of the bottom plate of the heat exchange box fully conducts heat exchange with the bottom plate due to the length of the groove, and flows out after the water temperature rises, realizi...

Embodiment 2

[0035] The box cover is changed to a thin metal plate to install the inlet and outlet pipe interface, and the inner side is cushioned with an elastic watertight heat insulation plate and the bottom of the plate box is connected to form a sealed plate heat exchange box with a water tank inside. Then the box is insulated from the heating coil of the electronic frequency converter and tightly assembled together. Place the circuit board on the front and bottom of the heat exchange box, pay attention to the ventilation and heat dissipation of the circuit board, IGBT and heating coil, and the buttons and display screen are in front of the circuit board. The heating coil and heat exchange box are on the upper part of the electric water heater.

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Abstract

The invention relates to an electronic water heater, which comprises an power electronic frequency conversion magnetic inductive loop heating and plate type thermal interchange box. The invention realizes high thermal efficiency, easy production and low cost.

Description

Technical field: [0001] The invention relates to an electric water heater. Specifically, it is an electronic frequency conversion magnetic induction tankless water heater. Background technique: [0002] Traditional electric water heaters heat water by resistance heating. Due to the large heat loss caused by the thermal resistance of the insulating material of its heating element, the power consumption is high and the thermal efficiency is low. In order to solve the contradiction between power and time during heating, the heat storage method of water tank is adopted. However, there are problems such as fixed water storage but large changes in water consumption, heat dissipation loss, and bulky equipment, and problems such as scale and leakage have also plagued us for a long time. [0003] The improved electric water heater is electromagnetic induction type. Although the loss caused by the thermal resistance of the insulator of the resistance heating body is solved, most o...

Claims

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Application Information

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IPC IPC(8): F24H9/20
Inventor 洪祥鹰
Owner 洪祥鹰
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