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Detection method and detection device for force balance accelerometers

A technology of an acceleration sensor and a detection method, which is applied in the field of sensor detection, can solve problems such as inconvenient detection operations, achieve the effects of improving the inconvenience of detection operations, improving the accuracy of zero position detection, and reducing quantization errors

Inactive Publication Date: 2015-12-16
INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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Problems solved by technology

[0003] The object of the present invention is to provide a detection method and device for a force balance acceleration sensor, which can improve the problem of inconvenient detection operation in the detection process of the existing force balance acceleration sensor, and can use a lower resolution modulus converter to provide the required zero detection accuracy

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  • Detection method and detection device for force balance accelerometers
  • Detection method and detection device for force balance accelerometers
  • Detection method and detection device for force balance accelerometers

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Embodiment Construction

[0022] In view of the problems of inconvenient detection operation and high detection cost in the detection process of the existing force balance acceleration sensor, the inventors conceived a detection method and device for the force balance acceleration sensor. The acceleration value measured by the force balance acceleration sensor in a vibration-free environment is received by the communication unit of the detection device, and the analog-to-digital conversion is performed on the acceleration value by the processing unit of the detection device in a full-scale conversion mode, and the display unit of the detection device Displays the acceleration value after analog-to-digital conversion. Therefore, the force balance acceleration sensor can be detected by the above detection device, and the quantization error due to the limitation of the AD number of digits can be reduced when the detection device utilizes a lower resolution analog-to-digital (AD) converter, thereby The inf...

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Abstract

The invention provides a detection method and a detection device for force balance accelerometers and belongs to the field of sensor detection. The detection method is applied to the detection device used for detecting force balance accelerometers. The detection device comprises a communication unit, a processing unit and a display unit. According to the detection method, firstly, the communication unit receives an acceleration value measured by a force balance accelerometer in the vibration-free environment, and then transmits the acceleration value to the processing unit. Secondly, the processing unit conducts the analog-to-digital conversion treatment on the acceleration value in the full-scale conversion mode, and then transmits the acceleration value obtained through the analog-to-digital conversion treatment to the display unit. Thirdly, the display unit displays the acceleration value obtained through the analog-to-digital conversion treatment.

Description

technical field [0001] The invention relates to the field of sensor detection, in particular to a detection method and device for a force balance acceleration sensor. Background technique [0002] The force balance acceleration sensor belongs to the precision instrument for seismic measurement, which is used to detect the acceleration signal of ground vibration, and convert the acceleration signal into a voltage signal for output. In order to ensure that the force balance acceleration sensor can accurately measure the acceleration of ground vibration, the sensor needs to perform zero detection and calibration on a regular basis. When the zero deviation of a certain channel of the force balance acceleration sensor exceeds the specified value, it needs to be adjusted manually. During the zero adjustment process, it is necessary to check the zero value of the sensor in real time until it is adjusted to the specified range. However, in the existing sensor detection process, the...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H11/02G01P21/00
Inventor 马新生
Owner INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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