ASS Maschinenbau switch German ASS Maschinenbau model ASS Maschinenbau price

ASS Maschinenbau switch, also known as a displacement switch, is a type of switch used to sense the distance to an object to perform a preset function, and has been widely applied. Main products include mobile phone proximity switches and long-distance measurement switches, applied in smart belts. Proximity switches can be classified into optical proximity switches, infrared proximity switches, ultrasonic proximity switches, etc., based on their working principles. Most proximity switches used in mobile phones are infrared proximity switches, which have an infrared emitting tube and an infrared receiving tube. When the infrared light emitted by the transmitting tube is received by the receiving tube, it indicates that the distance is close, and the screen needs to be turned off to prevent accidental operation. When the receiving tube does not receive the infrared light emitted by the transmitting tube, it indicates that the distance is far, and there is no need to turn off the screen. The working principles of other types of proximity switches are similar; they also judge the distance by the emission and reception of some substance, such as ultrasonic waves or light pulses.

ASS Maschinenbau switch applications

The most widespread application of proximity switches is in mobile phones. Smartphones on the market all contain proximity switches. When a user makes a call, the phone is close to the ear, which can easily lead to accidental operations (for example, cheeks puffing out when laughing may hang up the call). Therefore, a proximity switch is needed to monitor the distance in real time and automatically turn off the screen when the distance is too close, thereby preventing accidental operations. In addition, proximity switches are also widely used for measuring mine shaft depth, detecting aircraft altitude, and exploring outdoor environments. With the continuous development of technology, they also show prominent performance in wearable devices (such as smart belts).

ASS Maschinenbau switch working principle

When a time-of-flight laser switch operates. A time-of-flight laser switch must measure the transmission time extremely precisely because the speed of light is too fast. For example, the speed of light is approximately 3´108m/s. To achieve a resolution of 1mm, the electronic circuit of the time-of-flight ranging switch must be able to distinguish the following extremely short time: 0.001m¸(3´108m/s)=3ps. Distinguishing a time of 3ps places excessive demands on electronic technology, making implementation too costly. However, today's inexpensive time-of-flight laser switches cleverly avoid this obstacle by utilizing a simple statistical principle, namely the law of averages, to achieve a resolution of 1mm while ensuring response speed.

ASS Maschinenbau switch industry applications

1) Application in taxi meter testing systems: To further promote energy conservation and emission reduction and address the metrological needs of the electric vehicle industry, the mobile electric taxi meter testing system has been officially launched. The testing device is roughly divided into two parts: a main unit about the size of a password case, placed on the rear seat of the car, and a distance switch attached to the car body. According to reports, the device uses the driving distance measurement method. As the driver drives a certain distance, the testing device and the meter sample synchronously. The entire testing process is expected to be completed in seven to eight minutes. 2) Wide range of applications in the automation field: Nowadays, in addition to ultrasonic switches and standard photoelectric switches, automatic detection and control methods have added a new solution for long-distance measurement and inspection—the time-of-flight laser distance switch. It provides application flexibility for various scenarios, including the following: (1) Equipment positioning. (2) Measuring the material level in bins. (3) Measuring the distance and height of objects on conveyor belts. (4) Measuring log diameter. (5) Protecting overhead cranes from collisions. (6) Error-free inspection scenarios. (7) Aircraft ground clearance monitoring.

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