Swing-enhanced vibration energy harvesting device

A swing-enhanced vibration energy harvesting device, comprising:

• a housing;
• a coil assembly, movably arranged on the housing;
• and
• a magnetic field generator movably arranged on the housing and placed on one side of the coil assembly, wherein the magnetic field generator is configured to generate a magnetic field capable of passing through the coil assembly,
• wherein the coil assembly is configured to reciprocate linearly with respect to the housing and the magnetic field generator under an action of an external vibration, so as to change magnetic flux of the coil assembly;
• the coil assembly is able to drive the magnetic field generator to swing with respect to the coil assembly, so as to change the magnetic flux of the coil assembly;
• or
• the magnetic field generator is configured to reciprocate linearly with respect to the housing and the coil assembly under an action of an external vibration, so as to change magnetic flux of the coil assembly;
• and
• the magnetic field generator is able to drive the coil assembly to swing with respect to the magnetic field generator, so as to change the magnetic flux of the coil assembly.