Dynamic torque sensor with compact structure

By adopting a compact structure design in the dynamic torque sensor, including a flexible circuit board and a compact base structure, the existing sensors are large in size, inconvenient installation and high cost, achieving more efficient installation and maintenance, and improving measurement accuracy and stability.

CN222748157UActive Publication Date: 2025-04-11CHANGZHOU KUNWEI SENSOR TECH CO LTD
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Patent Information

Application Number
CN202421674236.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-04-11
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Due to the complex internal structure design and large size, existing dynamic torque sensors are inconvenient for installation and maintenance, and have high cost, which increases the risk of environmental interference and affects measurement accuracy and stability.

Method used

It adopts a compact structure design, including bendable flexible circuit board, elastic components, bearing components and compact base structure, and through threaded connections and protective sleeves, the compact layout and convenient installation of the internal circuits of the sensor are achieved.

Benefits of technology

It significantly saves installation space, is easy to install and use in narrow spaces, improves installation convenience and flexibility, reduces maintenance complexity and cost, and enhances measurement accuracy and stability.

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Abstract

The utility model relates to the technical field of dynamic torque sensors, in particular to a dynamic torque sensor with a compact structure, which comprises a base internally provided with a mounting cavity. The elastic element penetrates through the mounting cavity; the two ends of the elastic element are fixed to the bearing assemblies respectively. Wherein a strain gauge is pasted on the elastic element, a bendable first circuit board is arranged on the strain gauge, a Wheatstone bridge circuit part, a voltage receiving module and a wireless signal transmitting module are arranged in the first circuit board, a second circuit board is arranged at the bottom of the base, and a signal receiving module and an external connecting port are arranged on the second circuit board; a supporting frame is further arranged on one side of the first circuit board, the supporting frame is fixed to the base, and a coil is wound on the supporting frame. The beneficial effects of the utility model are that by adopting the bendable flexible circuit board, the compact layout of the internal circuit of the sensor is realized, the installation space is saved, the bending characteristic of the flexible circuit board enables the sensor to adapt to a complex installation environment, and the convenience and the flexibility are improved.
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