Inertia measurement module for unmanned aircraft
First Claim
1. An inertia measurement module for an unmanned aircraft, comprising:
- a sensing assembly comprising;
a first circuit board;
a second circuit board comprising at least one inertia sensor; and
a flexible signal line that connects the first circuit board to the second circuit board;
a weight block comprising a first surface and a second surface opposite the first surface, wherein a recess is (1) formed only on the second surface, and (2) configured to support the second circuit board that is embedded in the recess;
a first vibration-attenuation cushion and a second vibration-attenuation cushion arranged on opposite sides of the weight block, wherein the first vibration-attenuation cushion is provided as a sheet extending between the first surface of the weight block and the first circuit board, and wherein the second vibration-attenuation cushion abuts against the second circuit board via an adhesive layer; and
a housing assembly comprising a chamber configured to support the sensing assembly, the weight block, and the first vibration-attenuation cushion and second vibration-attenuation cushion therein.
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Accused Products
Abstract
The present disclosure relates to an inertia measurement module for an unmanned aircraft, which comprises a housing assembly, a sensing assembly and a vibration damper. The vibration damper comprises a first vibration-attenuation cushion; and the sensing assembly comprises a first circuit board, a second circuit board and a flexible signal line for connecting the first circuit board and the second circuit board. An inertia sensor is fixed on the second circuit board, and the first circuit board is fixed on the housing assembly. The inertia measurement module further comprises a weight block, and the second circuit board, the weight block, the first vibration-attenuation cushion and the first circuit board are bonded together. The present disclosure greatly reduces the influence of the operational vibration frequency of the unmanned aircraft on the inertia sensor and improves the measurement stability of the inertia sensor.
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Citations
43 Claims
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1. An inertia measurement module for an unmanned aircraft, comprising:
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a sensing assembly comprising; a first circuit board; a second circuit board comprising at least one inertia sensor; and a flexible signal line that connects the first circuit board to the second circuit board; a weight block comprising a first surface and a second surface opposite the first surface, wherein a recess is (1) formed only on the second surface, and (2) configured to support the second circuit board that is embedded in the recess; a first vibration-attenuation cushion and a second vibration-attenuation cushion arranged on opposite sides of the weight block, wherein the first vibration-attenuation cushion is provided as a sheet extending between the first surface of the weight block and the first circuit board, and wherein the second vibration-attenuation cushion abuts against the second circuit board via an adhesive layer; and a housing assembly comprising a chamber configured to support the sensing assembly, the weight block, and the first vibration-attenuation cushion and second vibration-attenuation cushion therein. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 37, 38, 42, 43)
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28. An inertia measurement module for an unmanned aircraft, comprising:
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a sensing assembly comprising; a first circuit board; a second circuit board comprising at least one inertia sensor; and a flexible signal line that connects the first circuit board to the second circuit board; a weight block comprising a first surface and a second surface opposite the first surface, wherein a recess is (1) formed only on the second surface, and (2) configured to support the second circuit board such that the second circuit board is embedded in said recess; a first vibration-attenuation cushion and a second vibration-attenuation cushion arranged on opposite sides of the weight block, wherein the first vibration-attenuation cushion is provided as a sheet extending between the first surface of the weight block and the first circuit board, and wherein the second vibration-attenuation cushion abuts against the second circuit board via an intermediate layer; and a housing assembly comprising a chamber configured to support the sensing assembly, the weight block, and the first vibration-attenuation cushion and the second vibration-attenuation cushion therein. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 39, 40, 41)
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Specification