Noise-protection headphones - a means of individualprotection of the organ of hearing. They are designed for use during work, sleep, rest, listening to music. Their main application is hearing protection in the workplace, accompanied by noise, the level of which is a threat to human health. These devices are used in the first place:
There are special types of protective helmets compatible with noisy headphones.
An obligatory detail of the equipment of workersproduction with an increased level of danger for the human hearing system are noisy headphones. GOST R 12.4.210-99 contains general technical requirements for this device, which must be observed by the system. Requirements for materials and construction of hearing protection:
Headphones are noiseless, first of all,correspond to the parameters of a certain size - S, M, L. To monitor compliance with this condition, there are special mock-ups of the head of a person of the appropriate size. With their help, the range of adjustment of the cup holders and the distance between the ambushurs is checked.
According to GOST:
Noise-canceling headphones, like the usual ones, consist of headband and ambushshur. Protective devices for hearing protection may have a headband:
The standard headband is customary for anyThe earphone is shaped like an arc and is worn over the head or hard hat. The occipital or cervical headband covers the head from behind. The headband with the helmet mount consists of two half-arches and is fixed not on top of the helmet, but on both sides, above the ear shells. The foldable headband makes the headphones compact when folded, which is convenient for storage.
The noise-absorbing properties of hearing protection devices are provided by the properties of the ambushur materials and the design of the headphones creating the closest fit to the ear shells.
Suksun Optical and Mechanical Plant (ROSOMZ)specializes in the production of personal protective equipment for the head, eyes, face, hearing and respiratory organs. In the range of its products, a whole range of devices for hearing protection. One of the examples is the anti-noise headphones SOMZ 1. They are designed to protect against noise of an average level for all industries, including metallurgical and machine building. High-quality cup material and sound-absorbing inserts provide a noise absorption level of 27 dB. Such a level allows effectively suppressing the sounds of working equipment and other noises that pose a danger to human health, but speech and danger signals are not muffled.
All headphones antinoise SOMZ have a thoughtfuldesign, adjustable headband height, ensuring a close fit to the head. The material from which the shock absorbers are made retains its shape for the entire service life. A small weight and comfortable headband contribute to the comfortable wearing of the product throughout the work shift. In the line of anti-noise headphones SOMZ there are models with a microphone, radio, an increased level of noise absorption (cope with noise up to 115 dB).
Production company 3M is engaged inthe manufacture of electrical products for a wide range of human activities. In the product range of this company there are products for individual hearing protection in the workplace. Among the products in this area are 3M anti-noise headphones. Almost all models of headphones of this brand are presented with several variants of registration of a headband. A wide choice of modifications of hearing protection 3M allows you to choose the right device for any working conditions. Including many models of headphones 3M have options for use in places where in addition to noise absorption requires increased visibility (airports, road construction, etc.).
SACLA is a famous French manufacturermeans of individual protection, producing under the brand EARLINE various types of products for the head, face and hearing organs. These include MAX 400 noise-canceling headphones. Among them there are compact models with a foldable headband and modifications compatible with the holder of the face shield and helmet. The level of noise absorption makes it possible to use headphones of this brand in production with low noise level. As a material for the headband, ABS plastic is used, ambuschures are made of foamed polyurethane (a substitute for rubber and rubber).
Antinoise headphones for sleep - successfulAn alternative is where the earplugs are usually used. Do not always want to just disconnect from the environment. Many like to sleep before listening to quiet music or recording sounds of nature. In this case, and suitable special soft headphones designed for sleep, or sliphones. They provide a high level of noise insulation, as well as ear plugs, but they are not inserted into the ears, but snug against them. Antinoise headphones for sleep have a flat shape and are made of elastic materials, and therefore do not interfere with comfortable rest. Most often in form they resemble an ordinary bandage on the head. The familiar ambyushurs of such devices are hidden in a "case" made of cloth. Antinoise headphones for sleep can be wired and wireless. The latter work with Bluetooth-enabled devices.
