Pipeline robot, pipeline video-signal acquisition and transmission device and pipeline detection system and method

A pipeline detection system, comprising a pipeline robot, a cable reel and an acquisition control terminal, the pipeline robot comprises a camera module and a crawler;

• the camera module comprises a front-view digital camera, a first microprocessor, a rotation motor and a first interface, wherein the front-view digital camera and the first microprocessor are each connected with the first interface, and the output end of the first microprocessor is connected with the rotation motor;
• the crawler comprises a frame body, wheels on the both sides of the frame body, a driving motor for driving the wheels, a sensor group for acquiring state parameters, a second microprocessor, a network switch, a first power carrier module, a second interface matched with the first interface, and a power line interface connected with the first power carrier module, wherein the output end of the sensor group is connected with the second microprocessor, the output end of the second microprocessor is connected with the driving motor, and the second microprocessor is connected with the network switch;
• and the network switch is connected with the first power carrier module, and the power line interface inputs and outputs data through a power line;
• the first microprocessor is connected with the second microprocessor through the first interface and the second interface, and the front-view digital camera is connected with the network switch through the first interface and the second interface;
• the cable reel comprises the power line connected with the power line interface, a second power carrier module for parsing power carrier signals into digital signals, a fourth microprocessor and a network communication module for performing data transmission with a detection module, wherein the second power carrier module, the fourth microprocessor and the network communication module are sequentially connected, wherein the detection module comprises a calculation module, a data storage and an application software;
• and
• the acquisition control terminal is a mobile terminal provided with the detection module, which is used to receive digitalized video and state parameter signals from the network communication module, and the detection module receives control instructions, detection instructions and input parameters through a human-computer interaction mode, sends the control instructions from the network communication module to the cable reel, performs corresponding operations according to the detection instructions, and carries out data storage.