Touch screen detection method and device and touch screen

The invention provides a touch screen detection method and device and a touch screen, the device comprises a first group of detection terminals used for detecting a touch screen signal under the control of a first control unit, and a second group of detection terminals used for detecting the touch screen signal when the first group of detection terminals do not detect the touch screen signal in a touch state. Detecting a touch screen signal under the control of the second control unit; and the main control unit is used for determining the state of the touch screen according to the touch screen signal. According to the application, two groups of detection terminals are configured, so that the fault of the touch screen can be positioned, and the provided touch screen has a safety redundancy function. 本申请提供一种触摸屏检测方法、装置及触摸屏，装置包括第一组检测端子，用于在第一控制单元的控制下检测触摸屏信号，第二组检测端子，用于在触摸状态下，第一组检测端子未检测到触摸屏信号时，在第二控制单元的控制下检测触摸屏信号；主控制单元，用于根据所述触摸屏信号确定触摸屏状态。本申请通过配置两组检测端子，有利于定位触摸屏故障，提供的触摸屏具有安全冗余功能。