Rapid heating and cooling device for nucleic acid detection

The embodiment of the invention discloses a rapid heating and cooling device for nucleic acid detection. In the embodiment of the invention, the rapid heating and cooling device comprises a rapid heating and cooling module and a micro-fluidic chip tightly attached to the rapid heating and cooling module, the rapid heating and cooling module comprises a first insulating layer and a second insulating layer, and a bigrid electrostatic gating layer is arranged between the first insulating layer and the second insulating layer. The bigrid electrostatic gating layer comprises a plurality of first grids and a plurality of second grids; a first copper flow deflector layer is arranged between the bigrid electrostatic gating layer and the first insulating layer, and a second copper flow deflector layer is arranged between the bigrid electrostatic gating layer and the second insulating layer. The substrate material of the graphene material is improved, bigrid electrostatic gating setting is performed, and the input volt