Identification of Elevator Noise Causes

In daily life, elevators have become an indispensable vertical means of transportation, but during use, many passengers may encounter the problem of elevator noise. These noises may come from the elevator machine room, elevator tracks, elevator doors, elevator cars, etc., causing discomfort and worry to passengers.

Audio frequencies are perceived by the human auditory system in the range of 20Hz to 20kHz, and low-frequency noise has a particularly significant impact on the human body. Long-term exposure to high-intensity noise environments can lead to increased stress, anxiety, insomnia and other health problems. Elevator noise is not only a health problem, it also directly affects the quality of life of residents. Continuous noise will interfere with residents' sleep, work and rest, causing inconvenience and annoyance to people.
In the case of elevator noise cause identification, Zhongke Testing can provide elevator noise cause quality identification services.

is divided into: passenger elevator, freight elevator, passenger and freight elevator, hospital bed elevator, residential elevator, utility elevator, car elevator, special elevator, sightseeing elevator, marine elevator, escalator, moving walkway
button Speed is divided into: low-speed elevator, medium-speed elevator, high-speed elevator, ultra-high speed
According to the control method: handle switch operation, button control elevator, signal control elevator, collective control elevator, parallel control elevator, group control elevator

GB22337-2008 Noise emission standard for social living environment
GB50118-2010 Sound insulation design specification for civil buildings
GB/T 7025.1-2023 Main parameters of elevators and types and sizes of cars, hoistways and machine rooms Part 1: Category I, II, III and VI elevators
GB/T 10058-2009 Elevator technical conditions
GB/T 7588.1-2020 Elevator manufacturing and installation safety specifications Part 1: Passenger elevators and freight elevators
GB/T 10059-2009 Elevator test methods
GB/T 24480-2009 Elevator landing door fire resistance test
GB/T 30560-2014 Elevator operating devices, signals and accessories
GB/T 21739-2008 Home elevator manufacturing and installation specifications
GB/T 25856-2010 Safety regulations for the manufacture and installation of freight elevators only
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was entrusted by a public security bureau to conduct a quality analysis on the "elevator" involved in the case. The purpose of the analysis of the causes of elevator noise is as follows:
identifies whether the installation noise of the elevator involved in the case does not meet the standards. The
expert team conducted an on-site inspection of the "elevator" involved in the case, laboratory evidence testing data and results, and relevant national standards GB50118-2010 "Code for Design of Sound Insulation for Civil Buildings" and GB22337-2008 The "Noise Emission Standard for Social Living Environment" and other regulations were verified and tested and comprehensively analyzed, and the "elevator" quality appraisal opinion was obtained:
(1) The noise in the living room, master bedroom, and second bedroom in the house when the elevator is running has exceeded the maximum limit standard stipulated in the "Code for Design of Sound Insulation for Civil Buildings" (GB50118-2010) and the "Noise Emission Standard for Social Living Environment" (GB22337-2008).
(2) According to the relevant national residential design regulations, elevators should not be installed close to bedrooms, but the developer installed the elevator in the bedroom and did not take necessary noise reduction and shock absorption measures.
(3) The elevator control cabinet installed by the developer is not set up in a closed space, but directly exposed, exacerbating the noise pollution situation.