An overpressure turn-off system for a system, the overpressure turn-off system comprising: a turn-off protection system; a drive apparatus for a compression apparatus; and a pressure switch apparatus; wherein the pressure switch apparatus is configured to be turned off when the pressure of the system is detected to be overpressure and to output a pressure switch action signal; wherein the turn-off protection system, comprises: a first control apparatus, in signal connection with the pressure switch apparatus and configured to output a first drive signal and further configured to stop outputting the first drive signal according to a pressure switch action signal, wherein the pressure switch apparatus is configured to be turned off when a pressure of the system is detected to be overpressure and to output the pressure switch action signal, wherein the first drive signal for instructing the drive apparatus to drive the compression apparatus to operate; and a second control apparatus, connected to the first control apparatus, and further connected to the drive apparatus, wherein the second control apparatus is for outputting a fault protection signal to the drive apparatus upon obtaining the pressure switch action signal and the first drive signal from the first control apparatus, and the fault protection signal is used for controlling the drive apparatus to stop outputting a second drive signal to the compression apparatus; and wherein the drive apparatus is configured to output the second drive signal to the compression apparatus after receiving the first drive signal, wherein the second drive signal is used for driving the compression apparatus to operate. a turn-off protection system; a drive apparatus for a compression apparatus; and a pressure switch apparatus; wherein the pressure switch apparatus is configured to be turned off when the pressure of the system is detected to be overpressure and to output a pressure switch action signal; wherein the turn-off protection system, comprises: a first control apparatus, in signal connection with the pressure switch apparatus and configured to output a first drive signal and further configured to stop outputting the first drive signal according to a pressure switch action signal, wherein the pressure switch apparatus is configured to be turned off when a pressure of the system is detected to be overpressure and to output the pressure switch action signal, wherein the first drive signal for instructing the drive apparatus to drive the compression apparatus to operate; and a second control apparatus, connected to the first control apparatus, and further connected to the drive apparatus, wherein the second control apparatus is for outputting a fault protection signal to the drive apparatus upon obtaining the pressure switch action signal and the first drive signal from the first control apparatus, and the fault protection signal is used for controlling the drive apparatus to stop outputting a second drive signal to the compression apparatus; and wherein the drive apparatus is configured to output the second drive signal to the compression apparatus after receiving the first drive signal, wherein the second drive signal is used for driving the compression apparatus to operate. a first control apparatus, in signal connection with the pressure switch apparatus and configured to output a first drive signal and further configured to stop outputting the first drive signal according to a pressure switch action signal, wherein the pressure switch apparatus is configured to be turned off when a pressure of the system is detected to be overpressure and to output the pressure switch action signal, wherein the first drive signal for instructing the drive apparatus to drive the compression apparatus to operate; and a second control apparatus, connected to the first control apparatus, and further connected to the drive apparatus, wherein the second control apparatus is for outputting a fault protection signal to the drive apparatus upon obtaining the pressure switch action signal and the first drive signal from the first control apparatus, and the fault protection signal is used for controlling the drive apparatus to stop outputting a second drive signal to the compression apparatus; and wherein the drive apparatus is configured to output the second drive signal to the compression apparatus after receiving the first drive signal, wherein the second drive signal is used for driving the compression apparatus to operate.