China Passenger Elevator noise is a common residential area noise, and the noise value of the elevator during operation is about decibel. It seriously exceeded the national standard and had a bad influence on the daily lives of the surrounding residents. The elevator soundproofing control scheme can effectively solve the problem of elevator noise. After treatment, it is less than 45 decibels during the day and no more than 35 decibels at night. It complies with national noise emission standards and achieves satisfactory results for residents.

1. Background of elevator sound insulation management project

When the elevator in a residential area in Hangzhou runs normally, it will cause indoor noise of around 50 decibels. Exceeding the relevant national regulations has caused a serious impact on the daily lives of residents.

2. Elevator sound insulation treatment plan

1. Noise source

The mechanical noise caused by the traction machine in the elevator machine room is mostly low-mid frequency noise. As well as rail friction noise and cabinet vibration noise are noise sources.

2. Shock absorber

Installing a shock-absorbing table under the elevator main machine can not only cut off the transmission structure of low-frequency noise, but also reduce the noise transmission rate and the vibration and brake noise of the elevator main machine, thereby solving the problem of low-frequency noise caused by elevator vibration.

3. Flexible bracket

Use elastic brackets to change solid connections and reduce noise and noise propagation due to rail friction.

4. Inorganic fiber spraying

Using inorganic fiber spraying in the hoistway can not only improve the sound insulation of the hoistway, but also reduce the noise generated by the elevator hoistway as a whole.

Third, the effect of elevator noise control

After the sound insulation treatment plan of the elevator, the indoor noise of the residents was 26 decibels after field testing. Comply with the relevant regulations of the "Social and Environmental Noise Emission Standards" and other relevant regulations.

The elevator soundproofing treatment plan is mainly based on vibration reduction, and the noise reduction methods are different according to the actual environment of the site. The most common elevator noise is still through the equipment for vibration reduction, which can effectively solve the elevator noise problem.

The above is organized and shared by HUZHOU FUJI ELEVATOR CO.,LTD. Staff, hoping to help those in need.