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Digital output accelerometer

An accelerometer and digital output technology, which is applied in the field of digital output accelerometers, can solve the problems of index decomposition difficulties, reduce product size and weight, and large dedicated circuit volume, and achieve simplified index test process, reduced size and weight, The effect of improving test accuracy

Pending Publication Date: 2021-06-25
航天科工惯性技术有限公司
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Problems solved by technology

The combination of accelerometer and special circuit to output digital signal has the following problems: on the one hand, the accelerometer and special circuit form the accelerometer channel, and the accelerometer and the special circuit need to be tested separately, and the index decomposition is difficult, which is not conducive to improving the test accuracy; On the one hand, the dedicated circuit is bulky, which is not conducive to reducing the size and weight of the product

Method used

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] According to an aspect of the present invention, this embodiment discloses a digital output accelerometer. Such as figure 1 As shown, in this embodiment, the digital output accelerometer includes an analog output module 1 , a digital output module 2 and a connector 3 . Wherein, the analog output module 1 is used to detect acceleration and output an analog acceleration signal, the digital output module 2 is used to obtain a digital signal according to t...

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Abstract

The invention provides a digital output accelerometer. The digital output accelerometer comprises an analog output module, a digital output module and a connector, The analog output module is used for detecting acceleration and outputting an analog acceleration signal; the digital output module is used for obtaining a digital signal according to the analog acceleration signal; and the connector is used for transmitting the digital signal to an external data processing system. The accelerometer can directly output the acceleration digital signal, test of the accelerometer is facilitated, and the size of the accelerometer product can be reduced.

Description

technical field [0001] The invention relates to the technical field of accelerometers, in particular to a digital output accelerometer. Background technique [0002] As an important instrument for inertial measurement, quartz flexible accelerometer (referred to as accelerometer) has the advantages of high precision, high reliability and suitable for acceleration measurement. It has been widely used in many fields such as aerospace, aviation, navigation and petroleum. [0003] At present, when the accelerometer is applied, since the output signal of the accelerometer is an analog signal, it needs a special circuit to convert it into a digital signal (pulse quantity or digital quantity) before it can be processed by a processing system such as a navigation computer. The combination of accelerometer and special circuit to output digital signal has the following problems: on the one hand, the accelerometer and special circuit form the accelerometer channel, and the accelerometer...

Claims

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Application Information

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IPC IPC(8): G01P15/08G01P15/09G01P1/02
CPCG01P15/0802G01P15/0922G01P1/023
Inventor 于湘涛周峰魏超韩旭彭振新杨杏敏杨守安许中生
Owner 航天科工惯性技术有限公司
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