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Acceleration sensor

An acceleration sensor and the same technology are applied in the sensor field to achieve the effect of improving the input signal source, improving the input signal source, and increasing the peak stress

Active Publication Date: 2019-04-05
BEIJING FORESTRY UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Can effectively protect the stress concentration position from being damaged

Method used

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  • Acceleration sensor
  • Acceleration sensor
  • Acceleration sensor

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Embodiment Construction

[0022] Such as Figure 1-Figure 3 As shown, an acceleration sensor includes an upper platform 1 and a lower platform 2, a spherical mass 3 is arranged on the upper platform, and an elastic body is arranged between the upper platform and the lower platform, and the elastic body is a vertical beam structure , including elastic connecting rods, said elastic connecting rods include upper connecting rods 16, lower connecting rods 11 and elastic parts connecting the upper connecting rods and the lower connecting rods, the upper end of the upper connecting rods is connected on the upper platform, and the lower end of the lower connecting rods Attached to the lower platform. The elastic part includes an upper protection rod 17, a V-shaped piece 15 and a lower protection rod 18. The upper protection rod and the lower protection rod are V-shaped protection rods. The protection rod can prevent the sensor from being loaded with high acceleration during use. In the structure, the stress c...

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Abstract

The invention relates to an acceleration sensor including an upper platform and a lower platform. An elastic body is arranged between the upper platform and the lower platform, a spherical mass blockis arranged on the upper platform, the elastic body is of a vertical beam type structure and comprises an elastic connection rod, the elastic connection rod comprises an upper connection rod, a lowerconnection rod and an elastic member for connecting the upper connection rod and the lower connection rod, the upper end of the upper connection rod is connected to the upper platform, the lower end of the lower connection rod is connected to the lower platform, the elastic member is a V-shaped member, the upper end of the V-shaped member is connected to the upper connection rod, the lower end ofthe V-shaped member is connected to the lower connection rod, and strain gauges attached to the stress concentration points. In the using process, the spherical mass block is placed on the upper platform, when acceleration speed is applied, a stress concentration method is used for concentrating the stress on the elastic member, the peak stress of the elastic member is increased within the elasticlimit range, and the resistance strain gages are pasted to the stress concentration positions, a measurement circuit and an input signal source are greatly improved, and the measurement accuracy of asensor is improved. When measurement is exceeded, the sensor can effectively protect the stress concentration position.

Description

technical field [0001] The invention belongs to sensor technology, in particular to a multi-dimensional inertial acceleration sensor for a humanoid robot wrist. Background technique [0002] The multi-dimensional sensor for the human-like frame and human wrist is a sensor with small range, small size and high sensitivity. Its role on the humanoid robot wrist: the inertial force generated by the acceleration of the hand and the object held will affect the movement of the robot wrist, and the acceleration sensor is required to measure the acceleration and provide it to the control system through the feedback device. Through the control The system counteracts the inertial forces that affect the machine at the human wrist. [0003] At present, the sensors studied at home and abroad can be roughly divided into parallel sensors and non-parallel sensors. The measurement method of the parallel force sensor, when the platform to be tested is subjected to a force, the elastic connec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P15/12G01P15/18
CPCG01P15/122G01P15/18
Inventor 唐闻远
Owner BEIJING FORESTRY UNIVERSITY