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Silent container

A container and mute technology, which is applied in active noise control, sounding equipment, instruments, etc., can solve the problems of disturbing the noise of mobile power vehicles, poor mute effect of the container body, etc., and achieve the effect of reducing noise pollution.

Pending Publication Date: 2021-12-31
STATE GRID BEIJING ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The container bodies of the above-mentioned mobile power supply vehicles and charging vehicles have poor mute effect, which leads to the common phenomenon that the operation noise of mobile power supply vehicles disturbs the people.

Method used

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Embodiment Construction

[0044] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

[0045] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as any limitation of the application, its application or uses.

[0046] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0047] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodim...

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Abstract

The invention discloses a silent container, which relates to the technical field of mobile power supplies. The silent container comprises a container body, a mobile power supply in the container body and a sound wave generator in the container body, wherein the sound wave generator comprises at least two sound wave sensors, a sound wave signal processing device and at least two sound wave emitters; the sound wave sensors are fixed at different positions in the container body, and are used for collecting noise source signal samples in the container body; the sound wave processing device carries out a series of processing such as analysis and calculation, phase reversal, power amplification and clutter filtering on the signal samples to generate current with the same frequency and opposite phase as the noise source signal; the sound wave emitters convert the current into sound waves and emit the sound waves to the inner space of the container, energy of a sound source is offset, and the noise reduction effect is achieved. Meanwhile, the silent container further comprises at least one layer of sound absorption film. Noise in the container can be effectively reduced by adopting the sound wave generators, and noise pollution of the container is effectively controlled in cooperation with noise adsorption of the sound absorption film.

Description

technical field [0001] The present application relates to the technical field of mobile power supplies, and more specifically, to a silent container. Background technique [0002] At present, the power shortage problem in our country is becoming more and more prominent, and the people's requirements for environmental protection are also getting higher and higher. As the backup power supply of the power supply network, the silent generator set has been widely used due to its low noise, especially in hospitals, hotels, high-end living areas, large shopping malls and other places with strict environmental noise requirements. It is an indispensable emergency equipment. [0003] In addition, as users have higher and higher requirements for uninterrupted power supply, the demand for mobile power generation vehicles has correspondingly developed rapidly. Various charging problems such as inability to distribute power or insufficient power distribution quota, etc., in order to solv...

Claims

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Application Information

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IPC IPC(8): G10K11/178
CPCG10K11/17853G10K11/1787G10K2210/3028
Inventor 陈金窗赵长煦李佳蔚蓝骞马光耀姜堃
Owner STATE GRID BEIJING ELECTRIC POWER
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