Diaphragm type electromagnetic track vibration energy recovery system

Abstract

The invention relates to a diaphragm type electromagnetic track vibration energy recovery system which is arranged on a track plate. The system comprises a track vibration energy collection module, an interface circuit module and a super capacitor energy storage module which are connected in sequence; the track vibration energy collection module comprises a shell, an upper pressing ring (3) and a lower pressing ring (8) which are respectively installed at the top and the bottom of the shell, an upper diaphragm spring (1) which is arranged at the bottom of the upper pressing ring (3), a lower diaphragm spring (6) which is arranged at the bottom of the lower pressing ring (8), and a movable magnet assembly which is arranged between the upper pressing ring (3) and the lower pressing ring (8). Compared with the prior art, the invention has the advantages of large diaphragm spring deformation displacement, high magnetic circuit closing electromechanical energy conversion efficiency, broadening of the response frequency band of the track vibration energy acquisition module and the like.

Description

Technical field [0001] The present invention relates to the field of rail environments vibration energy recovery, in particular, to a diaphragm type electromagnetic orbital vibration energy recovery system. Background technique [0002] At present, the track wireless monitoring sensing node has put forward greater demand for small power power supplies, and environmental vibration energy recovery has become a technical approach that has developed potential. The high-speed driving of the rail vehicle, the incompatibility of the track and the wheel surface inconsistency will incentive and induce strong vibration of the orbit. Therefore, by recovering the rail vibration energy, the rail wireless monitoring sensing node can be achieved. The mechanical energy of the track vibration is currently converted into electrical energy, and two methods of electrical conversion and electromagnetic conversion. Among them, although the piezoelectric conversion is simpler, the pressure material is ...

AI Technical Summary

Problems solved by technology

Among them, although the structure of the piezoelectric conversion is relatively simple, the life of the piezoelectric material is not long and it is easy to be damaged; although the structure of the electromagnetic conversion is relatively complicated, it has the advantages of not being limited by the performance of the material, strong environmental adaptability and high reliability.

However, the current electromagnetic track vibration energy recovery system fails to achieve a good electromagnetic induction effect. The main reason is that the reluctance in the magnetic circuit is too large, resulting in a decrease in output power.

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