A shock absorber motion measurement device and a construction machinery cab stabilization system in which the device is used.

Abstract

This invention relates to a housing (2), a first printed circuit board (PCB) (3) located inside the housing (2) and fixed to the housing (2) containing at least two hall sensors (6), a second PCB (4) located inside the housing (2) and containing one more magnet (5) than the number of hall sensors (6), which moves in front of the first PCB (3) and the number of magnets (5) compared to the number of hall sensors (6), a shock absorber motion measuring device (1) which is located on the first PCB (3) and collects digital data from the hall sensors (6) to convert the signals resulting from the interaction of the magnets (5) and the hall sensors (6) due to the displacement caused by the movement of the second PCB (4) relative to the first PCB (3), processes the collected data and outputs a pulse width modulation (PWM) signal, and at least one converter (8) configured to convert the PWM signal into an analog signal in the range of 0-10V, and a construction equipment cabin stabilization system in which the said measuring device (1) is used.

Description

1 TARIFF A SHOCK ABSORBER MOVEMENT MEASUREMENT DEVICE AND THE USE OF THE DEVICE. A CONSTRUCTION MACHINE CAB STABILIZATION SYSTEM This invention relates to the measurement of shock absorber movement, and specifically to Hall effect sensors and 5. Using magnetic elements to measure shock absorber movement in construction machinery such as machinery. a device and, based on the motion information received from that device, the control unit of the construction machine. By sending data, the shock absorbers will ensure the stability of the construction machine cabin. It relates to a system that adjusts. The subject of the invention, a shock absorber movement measuring device, is also a Suitable for installation inside shock absorbers. The invention is a shock absorber movement measuring device, which also measures the remaining life of the shock absorber. It is structured to calculate. Shock absorbers provide stability, comfort, and safety during operation in construction machinery. These devices are critical components of the vehicle, especially when moving over rough terrain. It works by absorbing and dissipating the kinetic energy generated by movement. In construction machinery. Shock absorbers are exposed to extreme conditions and frequent use, which leads to wear and tear over time. This can lead to problems. Also, in construction machinery, the shock absorbers move in different amounts, causing the machine to malfunction. The cabin shakes and becomes unstable. This prevents the cabin from maintaining a stable position. Additionally, the resulting vibrations make it difficult for the operator to control the construction equipment. Traditionally, accurately measuring the lifespan of shock absorbers in construction machinery. It is difficult. Maintenance programs are usually scheduled at predetermined time intervals or visual 20 This is based on inspections, which accurately reflects the actual wear and tear that shock absorbers are subjected to. This may not be reflected in any way. This situation leads to premature replacements or complete changes, which increase maintenance costs. Conversely, worn shock absorbers can potentially compromise safety and performance. This could lead to it not being changed in time. The use of accelerometers and pressure sensors to monitor shock absorber performance in vehicles 25 Various initiatives have been undertaken, including those related to environmental factors. However, these methods are generally dependent on environmental factors. Real-time, accurate measurements of sensitivity, installation complexity, and damper lifespan. It suffers from limitations such as the difficulty of provision. Furthermore, it is typical in construction machinery environments. The harsh working conditions can lead to rapid degradation of sensitive electronic components. This reduces the reliability and lifespan of species monitoring systems. 30 2 To overcome one or more of these problems, the shock absorber movement must be healthy. It was understood that it needed to be measured in some way. United States registration number US20190376814A1, in the known state of the art. The patent application describes a system that monitors the suspension position of a motorcycle. The system uses Hall effect sensors mounted on an outer fork tube for the front suspension, fork 5 It includes a housing containing a magnet mounted on its protective casing. In the Chinese utility model document numbered CN202501823U, which is included in the known state of the art, This describes a non-contact measuring device for long-distance linear displacement measurement. The device includes a microcontroller and at least two linear Hall sensors. Linear Hall The sensors are positioned parallel to the linear displacement axis of the permanent magnet, on the same axis 10 They are placed parallel throughout. However, in the utility model in question, the shock absorber life There is no mention of a device designed for measurement. United States registration number US11787254B2, in the known state of the art. In his patent, he described a target (magnets) on the shock absorber and a wire coil in the measuring device. A method for calculating shock absorber displacement by measuring the interaction between them. 15 and a structure is described. The invention provides for a device that measures the movement of a shock absorber. The device consists of at least two Hall sensors, It includes multiple magnets, a primary PCB (printed circuit board), a secondary PCB, and a processor. The first PCB is stationary and contains the Hall sensors, the second PCB is movable and contains the magnets. The number of magnets is greater than the number of Hall sensors, so the number of Hall sensors and magnets is 20. The continuity of the interaction is ensured. The processor is mounted on the first PCB and Hall to collect digital data from sensors, process the data and convert it into an analog signal in the 0-10V range. It is configured to output a converted signal. This configuration provides resistance to vibrations caused by vehicle movement while acting as a shock absorber. It allows for accurate measurement of movement and lifespan expectation. The device is suitable for existing vehicle suspension systems. They can be easily integrated into systems, providing valuable data for maintenance and operator comfort. The device is also suitable for placing the first and second PCBs into a shock absorber housing. It includes a housing. This compact design allows the device to be mounted directly onto the shock absorber. Accurate measurements without significantly altering the dimensions or performance of the shock absorber. It provides. 30 3 The magnets can be small-scale neodymium magnets. The use of neodymium magnets, It provides strong and consistent magnetic fields, which affect the measurements taken by Hall sensors. It increases its accuracy and reliability. The distance between the centers of adjacent magnets and the centers of adjacent Hall sensors. The distance between them can vary between 2 and 10 mm. This spacing configuration is suitable for different vehicle types. 5 or with the ability to adjust sensitivity according to the specific requirements of working conditions It allows for precise measurement of shock absorber movement. The processor filters the data collected from the Hall sensors and measures the movement and lifespan of the shock absorber. It can be structured to transform this data processing into meaningful information about expectations. Its capability enables real-time analysis of shock absorber performance, predictive maintenance, and vehicle 10. It allows for the optimization of suspension systems. In a preferred application of the invention, the device incorporates nine Hall sensors and ten magnets. It is configured to measure shock absorber movement in a 12 cm interval using this special method. The configuration is suitable for a wide range of vehicle types and operating conditions for motion measurement. It strikes a balance between accuracy and device complexity. 15 The processor can also output 0-10V using an op-amp, or converter, after it has been filtered. It is configured to produce a PWM output that is converted into an analog signal within the specified range. The signal is then sent to the vehicle's main control board. This output configuration allows for seamless integration with existing vehicle control systems. Automatic cabin position adjustment based on shock absorber performance data 20 provides. The diagrams provided illustrate examples of applications to aid in understanding the invention; Figure 1 - A shock absorber in which the shock absorber movement measuring device, which is the subject of the invention, is installed. It is the perspective view in practice. Figure 2 - Exploded image showing the components of the shock absorber movement measuring device, which is the subject of the invention. It is an appearance. The corresponding reference numbers in the figures are as follows: 1. Shock absorber movement measuring device 4 2. Body 3. First PCB 4. Second PCB 5. Magnet 6. Hall sensor 5 7. Processor 8. Converter (op-amp) 9. Shock Absorber The subject of the invention is a shock absorber motion measuring device (1), shock absorber (9) in construction machinery. Proper monitoring of performance ensures the stability of cabins in construction machinery. 10 To ensure proper shock absorber lifespan, the amount of shock absorber movement must be adjusted. This device (1) is designed to meet the need for measurement in challenging terrain conditions. Shock absorbers are critical for optimum vehicle performance and operator comfort. It offers a solution for measuring its movement. The subject of the invention is a shock absorber motion measuring device (1), a housing (2), 15 inside the housing (2). a first printed one containing at least two hall sensors (6) and fixed to the fuselage (2) The circuit board (PCB) (3) will move inside the housing (2) opposite the first PCB (3) a second PCB (4) containing more magnets (5) than the number of hall sensors (6) placed, due to displacement caused by the movement of the second PCB (4) relative to the first PCB (3) The signals resulting from the interaction of the magnet (5) and the hall sensors (6) can be converted into meaningful data. In order to convert, digital data from the hall sensors (6) placed on the first PCB (3) collects, processes the collected data, and outputs a pulse width modulation (PWM) signal. a processor (7) and to convert the PWM signal into an analog signal in the range of 0-10V It includes at least one configured converter (8). Device (1) is a 25 where the number of magnets (5) is greater than the number of hall sensors (6). It uses configuration. This arrangement allows for precise detection of the shock absorber (9) movement. This allows the Hall sensors to be mounted on a fixed primary PCB (3), Magnets (5) are placed on a movable second PCB (4). This configuration makes the device two It enables the detection of the relative movement between the PCB (3,4), which causes the damper to compress and It corresponds to its length. A processor 30 is mounted on the fixed first PCB (3) which contains the Hall sensors (6). (7) is mounted. Processor (7) collects and processes digital data from hall sensors (6), processed It generates a pulse width modulation (PWM) signal based on the available data. This signal is then used to generate the current signal. To make it compatible with vehicle systems, the device converts the PWM signal to an analog signal in the 0-10V range. It includes a converter (8) that converts the signal. Shock absorber movement measuring device (1) is a larger device for monitoring shock absorber movement in a vehicle. It can be integrated into a system. Such a system receives the analog signal from the measuring device and this It may include a vehicle control unit that uses the information to adjust the vehicle's suspension settings. 5 This integration allows the vehicle's suspension system to be optimized based on shock absorber performance data. It allows for real-time monitoring and adjustment. Shock absorber movement measurement device. (1) are placed inside the shock absorbers (9). How much each shock absorber (9) has It is calculated that the machine was moved a certain distance. The calculated data refers to a construction machine. It is shared with the main control unit. According to the shared data, 10 containing more than one shock absorber (9). The construction machine has automatic shock absorbers (9) to ensure the cabin remains stable and balanced. It adjusts it accordingly. This ensures the construction equipment cabin remains balanced without requiring any extra effort. It remains. The subject of the invention is a shock absorber movement measuring device (1), as well as the measured movements of the shock absorber (9). By comparing the shock absorber (9) with a shock absorber (9) lifespan determined in advance by the manufacturer, 15 also to inform the user whether its lifespan is nearing its end. It has been designed. Hall sensors (6) are a key component of the device (1). The device (1) contains at least two hall sensors (6), The number of sensors depends on the length of the suspension system and the range of motion to be measured. It can vary. In one example, nine Hall 20 gauges were used to measure shock absorber movement over a 12 cm interval. Hall sensors (6) are used. Hall sensors (6) detect the presence of a magnetic field. They are sensors. When a magnet (5) is near a hall sensor (6), the sensor output is less than 1. It changes to 0 and this change is detected by the processor (7). Device (1) detects the hall sensors (6) It contains one more magnet than the number (5). In the example where nine hall sensors (6) are used, ten magnets (5) are used. 25 The magnets (5) used in the device are preferably small diameter Neodymium magnets. Magnets (5) and hall effect sensors (6) are placed at equal distances from each other in the measurement method. The distance between the centers of adjacent magnets (5) and adjacent hall sensors (6) The distance between their centers varies between 2 and 10 mm. 6 The device uses two printed circuit boards (PCBs). The first PCB (3) is fixed and houses the hall sensors (6) It includes. The second PCB (4) is movable and contains magnets (5). This arrangement between the two PCBs It allows for the detection of relative movement, which in turn affects the compression and extension of the shock absorber. It corresponds. A processor (7) is mounted on the fixed first PCB (3) which contains the Hall sensors (6). 5 The processor (7) collects digital data from the Hall sensors (6), processes this data and generates a pulse width The modulation (PWM) outputs the signal. The processor (7) also removes noise from the collected data. and sensor readings provide meaningful information about the shock absorber's movement and expected lifespan. You can also apply filters for conversion. The device (1) converts the PWM signal generated by the processor (7) into an analog signal in the range of 0-10V. A converter (8) is included for conversion. The converter (8) is an operational It may include an amplifier. This conversion ensures that the device's output is compatible with existing vehicle control systems. It enables it to happen. The device's compact design is achieved, in part, through the careful arrangement of its internal components. First printed circuit board (PCB) (3) and second PCB (4), with a thickness not exceeding 8 mm 15 This slim profile allows the device to fit within the limited space of a typical shock absorber housing. It enables it to be accommodated. The processor (7) continuously receives digital data from the hall sensors (6) throughout the operation of the shock absorber. It collects data. This data collection process takes place in real time, allowing for the monitoring of shock absorber movement. It allows for continuous monitoring. After the digital data is collected, the processor (7) processes the collected data 20 This process uses sensors to determine the precise position and movement of the shock absorber. It involves analyzing the patterns of their activations. As part of data processing, the processor (7) applies filtering techniques to the data collected from the hall sensors (6). This filtering step, Noise that may be present due to environmental factors or electromagnetic interference and It helps to eliminate unwanted signals. By filtering the data, the processor (7) only 25 It allows relevant information about shock absorber movement to be stored for further analysis. After filtering, the processor (7) filters the data, shock absorber (9) movement and life expectancy. It converts this information into meaningful data. This conversion process involves sensor activations. interpreting these models and measuring shock absorber displacement and movement frequency. It includes algorithms that convert into measurements. The processed and converted data is 30 of the shock absorber (9). Performance of the shock absorber (9), including current wear condition and estimated remaining life. 7 It provides valuable information about when the shock absorber (9) needs maintenance or replacement. It is used to anticipate what may be required, thus enabling proactive vehicle maintenance and overall Performance improvement is ensured. Based on the processed and transformed data, the processor (7) performs a pulse width modulation. It produces a (PWM) signal. The PWM signal provides information about the damper (9) performance to the system. Code in a format that can be easily transmitted and interpreted by other components. To make the PWM signal compatible with existing vehicle control systems, a converter is needed. (8) Converts the PWM signal into an analog signal. Converter (8) converts this signal. It uses an operational amplifier to perform this function. The resulting analog signal is 0-10V. It remains within this range, which is a standard range for many vehicle control systems. 10 The 0-10V analog signal provides a continuous representation of the shock absorber's (9) performance, thus providing the actual This allows for real-time monitoring and integration with the vehicle's main control board or other systems. Analog signals are used to adjust vehicle suspension settings or to inform operators of the current of the shock absorbers. It can be used to provide feedback on the situation. The subject of the invention is a shock absorber life measuring device (1), for monitoring the performance of shock absorbers (9) and 15 It provides various technical effects and advantages that contribute to its effectiveness in measurement. An important advantage of the device (1) is that it accurately measures the movement and life of the shock absorber (9). It is the capability of hall sensors (6) and magnets placed on separate printed circuit boards. Using (5), the device (1) can detect the precise movements of the shock absorber (9). This arrangement, It allows high-resolution measurements and the device (1) shock absorber (9) 20 over time It allows it to detect even the smallest changes in performance. The device (1) is protected against environmental factors which are crucial for its reliable operation under challenging conditions. It exhibits resistance. The compact design and enclosed housing allow internal components to withstand construction and off-road conditions. It protects against common dust and debris. This resistance to environmental factors extends the device's lifespan. It helps to provide consistent and accurate measurements throughout. 25 The magnets used in the device are made of materials other than Neodymium in some applications. This can be done, for example, to meet temperature requirements, corrosion resistance, or for a specific application. Depending on factors such as the required magnetic field strength, Samarium-Cobalt magnets or Alnico magnets can be used. 8 The method of converting a pulse width modulation (PWM) signal to an analog signal varies. This can vary in applications. Although an operational amplifier has been defined for this conversion. alternative circuit designs or digital-to-analog converters to perform the same function available. In some applications of the invention, the device (1) may include wireless communication capabilities so that the vehicle 5 Remote monitoring of shock absorber (9) performance without the need for physical connection to control systems This allows for monitoring. This means the data can be sent to a separate receiver unit or directly to a mobile device. This can be achieved by integrating a wireless transmitter. The subject of the invention is a shock absorber motion measuring device (1), a shock absorber motion measuring device (1) The shock absorber (9) ensures that a construction machine cabin remains balanced according to the displacement measurement. construction machinery to control the amount and direction of cabin movements in a way that will provide a main control unit which automatically adjusts the movements of the cabin's shock absorbers (9) It is used in the stabilization system of a construction equipment cabin containing construction equipment. Shock absorber The motion measuring device (1) is used especially in a shock absorber of a construction machine (9). Invention When measuring the movement of the shock absorber (9), the displacement of the shock absorber (9) is 15 It is calculated that construction machinery cabins have more than one, preferably four, shock absorbers (9). It is kept in balance. The displacement of each shock absorber (9) is the shock absorber movement in question. It is measured with the measuring device (1). In this way, the cabin imbalance and which shock absorber (9) is used is determined. It is known that the cabin will be brought into balance by moving it that much. This data is based on the main construction machine. The information is transmitted to the control board, and the machine cabin automatically adjusts to levelness every 20 seconds. The movement of a shock absorber (9) is adjusted.

Claims

9 REQUESTS 1. A housing (2), containing at least two hall sensors (6) located inside the housing (2) and A first printed circuit board (PCB) (3) fixed to the housing (2), inside the housing (2) Hall sensor (6) is placed to move in front of the first PCB (3) A second PCB (4) containing one more number of magnets (5) than the number of the second PCB (4) 5 magnet due to displacement caused by movement according to the first PCB (3) (5) and the signals resulting from the interaction of the hall sensors (6) into meaningful data. to convert, placed on the first PCB (3) and from the hall sensors (6) digital data is collected, the collected data is processed, and a pulse width modulation (PWM) system is used. a processor (7) that outputs the signal and converts the PWM signal into an analog signal in the range of 0-10V a converter (8) characterized by having at least one converter configured to convert shock absorber movement measuring device (1).

2. First PCB suitable for placement inside the housing (2) and with a maximum thickness of 10 mm. a shock absorber movement as in claim 1 characterized by (3) and the second PCB (4). measuring device (1). 15 3. As in claim 1 or 2, characterized by Neodymium magnets (5) with a diameter of 2 mm. a shock absorber movement measuring device (1).

4. Adjacent magnets, each with a center distance of 2 to 10 mm between them. A shock absorber movement as in any of 1 to 3 of the claim characterized by (5). measuring device (1). 20 5. Adjacent halls, each with a distance between their centers of between 2 and 10 mm. like any of request 1 to 4 characterized by its sensors (6). shock absorber movement measuring device (1).

6. To filter the data collected from the Hall sensors (6) and to measure the movement and lifespan of the shock absorber. 25 with a processor (7) configured to convert information about expectations. The measurement of shock absorber movement is characterized as in any of claims 1 to 5. device (1).

7. Nine hall sensors (6) to measure shock absorber movement in a 12 cm interval. Characterized by the first PCB (3) containing ten magnets and the second PCB (4) containing ten magnets A shock absorber movement measuring device (1) such as in any of items 1 to 6. 30 8. Characterized by a converter (8) containing an operational amplifier (op-amp). a shock absorber movement measurement as in any of the above requests device (1).

9. The analog signal output by the converter (8) is determined in advance by the manufacturer. Based on the determined shock absorber performance data, the cabin height of a vehicle can be increased by 5. with processor (7) configured to send to the vehicle's main control board for adjustment a shock absorber as in any of the above-mentioned requirements characterized motion measuring device (1).

10. To determine the remaining life of the shock absorber (9), the manufacturer measures the shock absorber movement. 10 to compare with a maximum lifespan predetermined by any of the above requests characterized by the configured processor (7) a shock absorber movement measuring device like one (1).

11. Including a shock absorber movement measuring device (1) as in any of claims 1 to 10. a shock absorber (9).

12. A shock absorber movement measuring device (1) as in any of claims 1 to 10 and 15 from the shock absorber movement measuring device (1) the shock absorber (9) displacement measurement according to the plan, the construction machine's cab must remain stable. It has a main control unit to automatically move the shock absorbers (9) it contains A construction equipment cab stabilization system containing a construction machine. 25

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