The diesel generator set plays an important role in ensuring continuous and safe production, and its monitoring system is its core technology and key. The diesel generator set monitoring system includes hardware design and software design, which can ensure accurate determination of the use performance and operating status of the diesel engine set. The following is an analysis of the design and implementation of the diesel generating set monitoring system by Ito Kobushi.
Generator monitoring system
First, the hardware design of the diesel generator monitoring
The diesel generator set will be installed in the control cabinet of the generator set because of its own characteristics. The hardware design of the monitoring system has its own requirements and technical indicators. Therefore, the diesel generator set's monitoring system hardware design must meet the diesel generator set. Functional specifications.
1) Monitor the system's CPU
The CPU in the diesel generating set monitoring system is a central part of the diesel generating set monitoring system. It mainly coordinates the organization and operation of the monitoring system. The current domestic and foreign monitoring systems are generally high-performance microprocessors. The monitoring requirements of the diesel generator set can be achieved by partially modifying the monitoring parameters through human-machine dialogue. Single-chip microcomputer as a high-performance, low-voltage device can be used as the monitoring system in the CPU, the microcontroller can be repeatedly erased, because of its high density and strong storage technology can better achieve monitoring, the microcontroller is also equipped with a timer, Can be automatically captured and reloaded so that monitoring design can be better implemented.
2) Frequency detection
Frequency detection is a very important indicator for detecting power generation quality in diesel generator sets . Therefore, the monitoring system that needs to be designed must accurately and timely detect the frequency of the generator set. The rotation speed of the generator is directly proportional to the power generation frequency of the generator. As long as the steady rotation of the generator set is guaranteed, the frequency of the generator can maintain a stable value. The frequency of the generator set is evaluated and the measurement can be performed using a single-chip microcomputer. The main methods of measuring the frequency are the frequency method and the periodic method.
3) Analog signal acquisition and processing
The generator itself has a sensor. The sensor can convert the analog signal into a power signal. Because of the signal amplitude of the sensor and the interference of the generator itself, the signal conditioning is performed before the signal is converted. The signal conditioning is mainly to carry on the signal simulation processing, uses the electronic circuit to carry on, its purpose is to carry on the output through the electrical quantity signal of the sensor, thus carries on the transformation after the processing. Signal conditioning can compensate the nonlinearity of the sensor, thereby improving the signal to noise ratio of the signal and improving the quality of the signal. The design of the monitoring system of the diesel generator set should use the circuit of the input channel to convert the current output from the sensor into an AC signal and eventually convert it into a unipolar DC signal, and the input of the analog-to-digital converter is achieved through the filter circuit.
After the information is collected and analyzed by the monitoring system of the generator set, it can be judged whether all the working links are normal, because the diesel generator set monitoring system can issue an alarm when the operation fails, and the display is changed by turning the button to red. .
4) Anti-jamming design of hardware
To ensure the stability of the hardware system in the generator set, several measures can be taken to prevent interference: For the first time, isolation and shielding are performed. This is to prevent coupling interference and to isolate the digital part and the analog part, which can suppress the interference of the digital system; Secondly, the decoupling capacitors can be added to the components of the integrated circuit to perform microprocessor processing. In addition, the ground line must be used to reject the interference.
Related reading :
Shanghai Ito Power Co., Ltd. Main : Ito Gasoline Generator , Ito Diesel Generator , Ito Small Pump , Ito Digital Generator , Ito Electric Welding Machine
1.Concrete Mixer is a small concrete mixer, the machine can be stirred plastic and hard concrete.
2. Concrete Mixer Machine price list in sri lanka has the advantages of novel structure, reliable performance, high productivity, good mixing quality, light weight, beautiful appearance, easy operation and maintenance, etc.
3.jzc350 with lift concrete mixer is a kind of advanced small-scale concrete mixer.
Lifting Hopper Concrete Drum Mixer
Portable Concrete Mixer,Lifting Hopper Concrete Drum Mixer,Manual Operation Concrete Compulsory Mixer,Concrete Compulsory Mixer
Shandong Zeyu Heavy Industry Science and Technology Co.,Ltd. , https://www.zeyuconcretemachine.com