Sensor monitoring and detection system for automatic track scales
A detection system and sensor technology, which is applied in the detection equipment and monitoring field, can solve the problems of limited measurement accuracy, difficulty in observing the working state of the sensor, and difficulty in sensor debugging, and achieve the effect of accurate calibration
Inactive Publication Date: 2017-04-26
BEIJING HUAHENG NEW TECH DEV
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Problems solved by technology
In addition, the sensor is installed on the railway line or in the weighing table below the line, while the data acquisition instrument or data display device is usually in the control room, and the distance between the two is often hundreds of meters. During the debugging process, it is difficult to observe the working status of the sensor, especially during the installation and debugging process, because the data acquisition instrument may not be installed on site, it is more difficult to debug the working status of the sensor
Use the millivolt detection gear of an ordinary multimeter for detection. Due to its limited measurement accuracy, the detection and debugging of the working state of the sensor can only rely on the experience of the operator.
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[0022] refer to figure 2 As shown, it is a schematic diagram of an embodiment of the sensor monitoring and detection system used on the automatic rail scale of the present invention.
[0023] In this embodiment, the sensor monitoring and detection system used on the automatic rail scale mainly includes: a sensor supply bridge 50 , four sensors 1-4 and a digital signal display device 70 . In this embodiment, four sensors are taken as an example for illustration, but those skilled in the art can understand that the present invention is not limited to the use of four sensors, and the use of one, two, or even six or eight sensors can is allowed.
[0024] In this embodiment, the sensors 1-4 are connected to the sensor supply bridge 50 through respective lightning protection units 51-54 for the bridge, and the sensors 1-4 are connected to the digital signal display device 70 through respective signal lightning protection units 61-64 ; The digital signal display device 70 has sens...
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The invention discloses a sensor monitoring and detection system used on an automatic rail weighbridge. The sensor monitoring and detection system comprises a sensor bridge, at least one sensor and a digital signal display device, wherein the at least one sensor is connected with the sensor bridge through a respective bridge lightning-proof unit; the at least one sensor is connected with the digital signal display device through a respective signal lightning-proof unit; and the digital signal display device is provided with a sensor signal input terminal and a corresponding sensor signal output terminal. Since the sensor monitoring and detection system used on the automatic rail weighbridge is used, the operation in an installation and debugging or maintenance and debugging process of the sensor is relatively simple, the accuracy of the installation and debugging or the maintenance and debugging of the sensor is improved, and in addition, the sensor monitoring and detection system has a lightning-proof function.
Description
technical field [0001] The present invention mainly relates to equipment for monitoring and detecting the working state of sensors in automatic rail scales. Specifically, the invention relates to a sensor monitoring and detection system for automatic rail scales. Background technique [0002] Automatic rail scale is a measuring device for weighing railway transport vehicles. The sensors used for automatic rail scales are mainly divided into two types: pressure sensors and shear sensors. In practical applications, the sensor signals are usually connected in parallel or superimposed by means of hardware or software. Since the output of the sensor is usually only a few millivolts, the signal must go through processes such as amplification and analog-to-digital conversion before it can be collected, recorded, processed and displayed by the control device. In the automatic track scale, the process from the generation of the sensor signal to the final display on the display term...
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IPC IPC(8): G01G23/01
Inventor 姜会增白露王蕊韩俊
Owner BEIJING HUAHENG NEW TECH DEV