Sound insulation barrier with self-power-generation function

Abstract

The invention discloses a sound insulation barrier with a self-power-generation function. The sound insulation barrier comprises a sound insulation wall, a contact electrification part, a plurality of transverse partition plates sequentially arranged from top to bottom, and a plurality of side partition plates sequentially arranged from left to right, wherein the contact electrification part, the transverse partition plates and the side partition plates are arranged in the sound insulation wall and connected to form a plurality of sealed space units; a light ball is arranged in each space unit; the contact electrification part is vertically arranged, and an acute angle is formed between each transverse partition plate and the contact electrification part; each light ball is supported by the corresponding transverse partition plate which forms the space unit where the light ball is located, and can separably abut against the contact electrification part which forms the space unit where the light ball is located; each light ball is provided with a first contact electrification layer which makes contact with the contact electrification part for electrification. When the sound insulation wall is vibrated due to wind pressure or sound waves, the first contact electrification layers are separated from and make contact with the contact electrification part to generate electric charge output.

Description

technical field [0001] The invention relates to a sound insulation barrier with self-generating power. Background technique [0002] With the construction of a large number of roads and bridges, the traffic noise pollution of railways and highways is also becoming more and more serious. Setting up sound insulation barriers on both sides of roads (roads, railways) is a method that is often used to reduce traffic noise. Sound insulation screen is a sound insulation facility. In order to block the direct sound between the sound source and the receiver, a facility is inserted between the sound source and the receiver, so that the sound wave propagation has a significant additional attenuation, thereby weakening the The effect of noise in a certain area where the receiver is located. [0003] There are four common types of sound barriers, namely resistive sound barriers, ordinary transparent sound barriers, microporous plate transparent sound barriers and composite sound barrier...

AI Technical Summary

Problems solved by technology

[0004] Disadvantages of the existing technology: 1. At present, the focus of noise reduction in China is to weaken the noise source and build a sound insulation barrier in the propagation path, ignoring the damage caused by the sound insulation barrier itself when it is subjected to cyclic loads The effect of noise reduction is weakened

The ultra-fine glass wool sound-absorbing materials that are widely used in China have low strength and are brittle and easy to break. The brittle fracture and dusting make the original homogeneous structure no longer exist, resulting in loosening and failure of bolts and connectors, and damage to the unit board of the sound insulation barrier. The sound insulation barrier fails to effectively absorb and reduce noise

[0005] 2. The daily maintenance workload is heavy and the efficiency is low

However, the internal damage of the sound insulation barrier is not easy to find, which increases the difficulty of daily maintenance, and will result in untimely maintenance and replacement, which is time-consuming and laborious

[0006] 3. There is a lack of a good early warning mechanism along the existing sound insulation barriers in China

Once the sound insulation barrier along the railway and expressway is damaged, if it is not repaired in time, there will be certain safety hazards in the absence of conspicuous warning signs

[0007] 4. Signal control, lighting requirements, electronic cameras, etc. along the highway (railway) need to lay cables separately from the nearby power supply bureau, which increases investment and operating costs and does not conform to the concept of environmental protection

With the rapid development of my country's railways, the coverage of the railway network is becoming wider and wider. It is impossible for the public power network to conveniently supply power to all power consumption sites along the railway. Connecting the power supply to the public power grid will generate high costs for grid construction and bring a lot of inconvenience to maintenance work

Although there is a special catenary for railway power supply along the railway line, because it is a single-phase high-voltage alternating current, and the voltage fluctuation range can reach -30% to +24%, and the electric locomotive will also cause voltage distortion of the catenary during operation. The quality of its power supply is significantly lower than that of the public power grid, and it is difficult to meet the power conversion requirements with ordinary power equipment

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