A low crosstalk and large range three-dimensional force sensor1.2


Published:

Jan 04,2024

1. A low crosstalk large range three-dimensional force sensor, characterized in that it comprises a first sensor and a second sensor, said first sensor and said second sensor are fixedly connected, said first sensor is used for X-axis force measurement and Y-axis force measurement, and said second sensor is used for Z-axis force measurement;
Said first sensor is a square sensor with two X-axis strain zones running up and down, and the two said X-axis strain zones are symmetrically set with the center of the first sensor as the symmetry point;
Said first sensor is a square sensor with two X-axis strain zones, two X-axis strain zones are symmetrically located with the center of the first sensor as the point of symmetry;
Said Y-axis strain zone has a second sensor placed in it, said second sensor is used for Z-axis force measurement, said second sensor is fixedly connected to the first sensor in the first connection zone and the third connection zone respectively, said second sensor has a gap symmetrically set between the second connection zone and the first sensor on the left and right, said second sensor has a Z-axis strain zone running on the left and right, the height of the top of said Z-axis strain zone is lower than the height of the top of said second sensor, the height of the bottom of said Z-axis strain zone being higher than the height of the bottom of said second sensor;
Said first sensor and said second sensor are both fixedly provided with strain gauges on their outer surfaces;
Said first sensor has a connection hole opened on the side of said first sensor, said connection hole being used for connecting a connector.
2. A low crosstalk large range three-dimensional force sensor according to claim 1, characterized in that said first sensor is provided with a cover plate at the bottom of said first sensor and the dimensions around said cover plate fit the dimensions formed by the two said X-axis strain zones as well as the second connection zone together.
3. a low crosstalk large range three-dimensional force sensor according to claim 1, characterized in that: said strain gage is fixed by means of adhesion between said first sensor and said second sensor.
4. A low crosstalk large range three-dimensional force sensor according to claim 1, characterized in that: the material of said first sensor and said second sensor is made of 17-4PH alloy, and said strain gauge is made of 3AA monolithic.
5. A low crosstalk large range three-dimensional force sensor according to claim 1, characterized in that: said second sensor and said first sensor are provided with a through-hole at a position corresponding to a first connection area and a second connection area, said through-hole is provided with a thread, and said first sensor and said second sensor are connected by a thread.
6. a low crosstalk large range three-dimensional force sensor according to claim 1, characterized in that a gap is provided at the bottom of said second sensor between said second connection area and said first sensor.
7. A low crosstalk large range three-dimensional force sensor according to claim 1, characterized in that: said connector is covered with a waterproof material.
 

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