How do the sensors on BMU Upper Cover work together with the safety system?

1. Sensors inside the upper cover: "smart tentacles" for safety monitoring
In the advanced design concept of the window cleaning machine, a variety of sensors with different functions are cleverly integrated inside the upper cover. These sensors are like the "smart tentacles" of the window cleaning machine's safety system, and they are always sensitive to the subtle changes in the surrounding environment and the equipment itself. They are responsible for accurately monitoring the status of the upper cover itself and the various operating parameters of the window cleaning machine, providing vital data support for the safety system, and ensuring that the window cleaning machine is always in a safe and controllable operating state in a complex high-altitude working environment.

2. Displacement sensor: "Scout" to capture the position change of the upper cover
As one of many sensors, the displacement sensor plays the role of a "scout" to capture the position change of the upper cover. It can track the position dynamics of the upper cover in space in real time and accurately. During the high-altitude operation of the window cleaning machine, the position of the upper cover may change due to the influence of various factors. The existence of the displacement sensor makes even extremely small displacement deviations invisible. Through advanced induction technology, it can convert any change in the position of the upper cover into a recognizable signal and quickly transmit this information.
Its working principle is based on a variety of physical effects, the most common of which are electromagnetic induction and photoelectric induction. Taking the electromagnetic induction displacement sensor as an example, it usually consists of a fixed coil and a movable magnetic core. When BMU Upper Cover is displaced, the magnetic core is driven to move in the magnetic field, causing the magnetic flux in the coil to change. According to the law of electromagnetic induction, this change in magnetic flux will generate an induced electromotive force in the coil. By accurately measuring and analyzing the induced electromotive force, the displacement of the upper cover can be accurately calculated. This measurement method is not only highly accurate, but also has a fast response speed, and can capture the change of the upper cover position in an instant.

3. Strain sensor: a "loyal guard" that monitors the deformation of the upper cover
The strain sensor focuses on monitoring the deformation of the upper cover, and can be called a "loyal guard" that protects the safety of the upper cover structure. The high-altitude working environment is complex and changeable. The window cleaning machine may encounter various unexpected situations during operation, such as slight collisions with protruding parts of buildings, violent shaking caused by strong winds, etc. These situations may cause different degrees of deformation of the upper cover. The strain sensor can accurately determine whether there is abnormal deformation by detecting the strain changes inside the upper cover material.
The working mechanism of the strain sensor is based on the strain effect of the material. When the upper cover material to which the strain sensor is attached is deformed, the sensitive elements inside the sensor will also undergo corresponding deformation, which will cause its electrical properties (such as resistance, capacitance, etc.) to change. For example, the resistance value of the commonly used resistance strain gauge sensor will change linearly with the strain of the upper cover material. By accurately measuring the change in resistance value and based on the pre-calibrated resistance-strain relationship curve, the strain size of the upper cover material can be accurately calculated, thereby determining whether the upper cover has undergone abnormal deformation. This precise monitoring of deformation can promptly discover potential safety hazards and provide a basis for the safety system to take corresponding measures.

4. Collaborative operation of sensors and safety systems: efficient safety protection mechanism
These sensors integrated inside the upper cover do not work in isolation, but work closely with the entire safety system of the window cleaning machine to form an efficient safety protection mechanism. When the displacement sensor detects abnormal displacement of the upper cover, or the strain sensor finds abnormal deformation of the upper cover, they will quickly convert the acquired signal into an electrical signal and transmit it to the control system of the window cleaning machine at an extremely fast speed.
As the core of the window cleaning machine safety system, the control system quickly analyzes and processes the signals from the sensor like a human brain. It pre-stores a series of data and parameter ranges about the normal operating status of the window cleaning machine. When receiving the signal from the sensor, it will immediately compare it with the preset standard value. If it is determined that the displacement or deformation of the upper cover exceeds the normal range, the control system will respond quickly and start a series of safety protection measures.
Among them, the emergency brake device is a key link in the safety protection measures. Once the control system determines that the situation is urgent, it will immediately trigger the emergency brake device. The emergency brake device usually adopts reliable methods such as electromagnetic braking or mechanical braking. Electromagnetic braking uses electromagnetic force to quickly stop the motor from rotating, thereby stopping the running parts of the window cleaning machine from moving; mechanical braking directly stops the movement of the window cleaning machine by locking the mechanical structure. Regardless of the braking method, the window cleaning machine can be stopped in a very short time, avoiding more serious safety accidents caused by abnormal displacement or deformation of the upper cover, and effectively protecting the life safety of the equipment and operators.
In addition, the safety system may also include an alarm device. When the sensor detects an abnormal situation and transmits it to the control system, the control system will trigger the alarm device while starting the emergency brake device. The alarm device will emit a striking sound and light signal to remind the operator and surrounding personnel to pay attention to safety, and it will also facilitate relevant personnel to take subsequent maintenance and treatment measures in time.
In the context of increasingly stringent safety standards for modern high-altitude operations, the close coordination between BMU Upper Cover and the safety system has become increasingly important. Through the integration of multiple sensors such as displacement sensors and strain sensors inside BMU Upper Cover, and their efficient collaborative operation mechanism with the safety system, a solid guarantee is provided for the safety of the window cleaning machine in high-altitude operations. With the continuous advancement of science and technology, I believe that in the future, the collaborative technology between the window cleaning machine cover and the safety system will continue to innovate and optimize, adopt more advanced sensor technology, more intelligent control systems and more efficient safety protection measures, bring a higher level of safety guarantee to the field of high-altitude operations, and make the city's high-altitude cleaning work safer and more efficient. It will continue to build a reliable safety line between high-rise buildings, protect the life safety of every high-altitude operator, and contribute an indispensable force to the beautiful scenery of the city.