Device for collecting hydraulic pressure and liquid demand data of automobile brake system

The utility model relates to a device for acquiring hydraulic pressure and liquid demand data of an automobile brake system, belonging to a data acquisition device of the automobile brake system. The front end of the body is fixedly connected with the oil pipe connector, the normally-closed linear electromagnetic valve, the hydraulic sensor and the normally-closed electromagnetic valve are fixedly connected with the body, the exhaust screw is in threaded connection with the bottom of the normally-closed electromagnetic valve, the piston is in sliding connection with the interior of the body, the top of the piston is aligned with an oil outlet of the normally-closed linear electromagnetic valve, and the limiting nut is fixedly connected into the body. The motor drives the rear end of the rack push rod, the middle of the rack push rod penetrates through the limiting nut, and the front end of the rack push rod abuts against the rear end of the piston. The device has the advantages that the structure is novel, th