Dynamic wall heat exchange device based on piezoelectric excitation

A dynamic wall heat exchange device based on piezoelectric excitation, comprising a base support (1), wherein a sidewall of the base support (1) is provided with a strip-shaped opening (4), and a low-temperature heat source runner (3) is arranged in the strip-shaped opening (4);

• the base support (1) is further provided with a high-temperature heat source runner (2);
• the high-temperature heat source runner (2) comprises a main pipe (201) erected on the base support (1);
• the main pipe (201) is sleeved with a heat exchange sleeve (6), and corrugated pipes (202) are connected to the main pipe (201) in series and are arranged on both sides of the heat exchange sleeve (6);
• and the low-temperature heat source runner (3) also penetrates through the heat exchange sleeve (6);
• the base support (1) is provided with a plurality of elastic cantilever arms (7), the lower end of each of the elastic cantilever arms (7) is provided with an inertial mass block (14), and a piezoelectric stack (13) is arranged between the elastic cantilever arm (7) and the inertial mass block (14);
• the lower portion of the inertial mass block (14) is provided with an exciting element (15), and the exciting element (15) is arranged above the corrugated pipe (202);
• external voltages are applied to the piezoelectric stacks (13) to enable the piezoelectric stacks (13) to generate excited vibrations;
• the piezoelectric stacks (13) drive the exciting elements (15) to vibrate, the exciting force is transferred by the exciting elements (15) to the corrugated pipes (202) of the main pipe to enable the walls of the corrugated pipes (202) to vibrate;
• and the corrugated pipes (202) are able to generate tiny deformation during vibration, thus enabling a fluid between the corrugated pipes (202) to stay longer in the heat exchange sleeve (6) to achieve sufficient heat exchange of the heat in the heat exchange sleeve (6).