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Heating circuit of heat energy device and intelligent multifunctional electric heating table

A heating circuit and electric table heating technology, applied in electric heating devices, heating methods, lighting and heating equipment, etc., can solve the problems of electromagnetic interference of heating circuits and single function of electric heating table, and achieve high heating reliability, complete functions, The effect of suppressing electromagnetic interference

Active Publication Date: 2015-04-15
CHANGSHA BAOZHEN ELECTRICAL APPLIANCE
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a thermal device heating circuit and an intelligent multifunctional electric heating table to solve the problem of serious electromagnetic interference in the heating circuit of the existing electric heating table and the single function of the electric heating table. problem, improve the heating reliability of the electric heating table, and make the electric heating table more practical

Method used

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  • Heating circuit of heat energy device and intelligent multifunctional electric heating table
  • Heating circuit of heat energy device and intelligent multifunctional electric heating table
  • Heating circuit of heat energy device and intelligent multifunctional electric heating table

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Embodiment Construction

[0019] Such as figure 2 As shown, the circuit of the single-stage EMI filter of the present invention has two input terminals, two output terminals and a ground terminal, and the shell should be connected to the earth during use. The circuit includes a common mode choke coil (also known as a common mode inductor) L, and filter capacitors C1~C4. L has no effect on series-mode interference, but when common-mode interference occurs, since the magnetic flux directions of the two coils are the same, the total inductance increases rapidly after coupling, so it presents a large inductive reactance to common-mode signals, making It is not easy to pass, so it is called a common mode choke coil. Its two coils are respectively wound on low-loss, high-permeability ferrite magnetic rings. When current flows, the magnetic fields on the two coils will strengthen each other. The inductance of L is related to the rated current I of the EMI filter, see Table 1.

[0020] Table 1. Relationshi...

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Abstract

The invention discloses a heating circuit of a heat energy device and an intelligent multifunctional electric heating table. The heating circuit comprises a high-frequency filter circuit connected with a secondary side of a high-voltage transformer, and the high-frequency filter circuit is connected with a low-frequency filter circuit connected with a power adjustment circuit. The electric heating table comprises a base and a tabletop, four support stands are arranged between the base and the tabletop, and the heating circuit is mounted in the electric heating table. A display screen is mounted on the upper surface of the tabletop, a WIFI receiving amplifier is fixed on the lower surface of the tabletop, sound boxes are fixed on the lateral sides of the tabletop, foot massagers are mounted on the four sides of the base, and an ultrasonic humidifier is mounted in the middle of the base. By adopting the two-stage filter structure, a damping resistor is added into the heating circuit, electromagnetic interference can be effectively suppressed, and noise can be effectively filtered. The electric heating table is complete in function and highly practical.

Description

technical field [0001] The invention relates to a heating circuit of a heat energy device and an intelligent multifunctional electric heating table. Background technique [0002] The electromagnetic interference phenomenon of electrical equipment in the heating circuit of the existing electric heating table is serious, which seriously affects the reliability of the electric heating table. Simultaneously, existing electric warming table only plays warming effect, and function is single. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a thermal device heating circuit and an intelligent multifunctional electric heating table to solve the problem of serious electromagnetic interference in the heating circuit of the existing electric heating table and the single function of the electric heating table. problem, improve the heating reliability of the electric heating table, and make the electric heating table more prac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B1/02A47B31/02F24D13/00
Inventor 汪浩伍青松吴琨
Owner CHANGSHA BAOZHEN ELECTRICAL APPLIANCE
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