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Resonance control method, resonance control device thereof and electronic terminal

A resonance control, electronic terminal technology, applied in the direction of electrical characteristic frequency control, automatic frequency control components, etc., can solve the problems of noisy heating circuit, howling, affecting the user's normal use of electronic terminals, etc., to improve performance, suppress Howling, the effect of reducing the resonance phenomenon

Pending Publication Date: 2022-07-08
深圳市新宜康创新技术有限公司
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AI Technical Summary

Problems solved by technology

[0003] When the power supply voltage is provided to the heating module provided with the heating circuit in the electronic terminal, the natural frequency of the heating circuit coincides with the operating frequency of the power supply circuit of the electronic terminal to resonate, and the resonance will cause the heating circuit to generate noisy howling, thus Affect the normal use of electronic terminals by users

Method used

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  • Resonance control method, resonance control device thereof and electronic terminal
  • Resonance control method, resonance control device thereof and electronic terminal
  • Resonance control method, resonance control device thereof and electronic terminal

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Embodiment Construction

[0047] The embodiments of the present application provide a resonance control method, a resonance control device, and an electronic terminal, which are used to reduce the resonance phenomenon generated in the heating module, suppress the generation of howling, and improve the use performance of the electronic terminal.

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application. In the case of no conflict, the following various embodiments and their technical features can be combined with each other.

[0049] see figure 1 , figure 1 This is a s...

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Abstract

The embodiment of the invention discloses a resonance control method, a resonance control device and an electronic terminal, which are used for reducing a resonance phenomenon generated in a heating module, inhibiting generation of howling and improving the use performance of the electronic terminal. The method comprises the steps that whether a first frequency band coincides with a second frequency band or not is judged, the first frequency band is the frequency band to which the resonant frequency generated by a heating module belongs, and the second frequency band is the frequency band to which the working frequency generated by a boost control module in a circuit board belongs; the heating module, the circuit board and the boost control module are electrically connected with one another; if yes, the second frequency band is adjusted to a third frequency band, so that resonance generated when the resonant frequency coincides with the working frequency is reduced, and the third frequency band is a frequency band adjacent to the first frequency band.

Description

technical field [0001] The present application relates to the field of switch circuit control, and in particular, to a resonance control method, a resonance control device, and an electronic terminal. Background technique [0002] Resonance is also called "resonance". When the frequency excited in the power supply circuit is equal to the natural frequency of the working circuit, the amplitude of the electromagnetic oscillation of the working circuit will increase sharply, and the amplitude will reach a peak value. [0003] When the power supply voltage is supplied to the heating module provided with the heating circuit in the electronic terminal, the natural frequency of the heating circuit will resonate due to the coincidence with the operating frequency of the power supply circuit of the electronic terminal, and the resonance will cause the heating circuit to generate a noisy howling, thus Affect the normal use of electronic terminals by users. SUMMARY OF THE INVENTION ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03J7/04
CPCH03J7/04
Inventor 崔涛彭争战
Owner 深圳市新宜康创新技术有限公司
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