Abstract: An electric valve includes a valve body component, a valve core, a valve core base, and a first sealing member. The valve body component includes an accommodating portion, and the accommodating portion forms an accommodating cavity. The first sealing member includes a first protruding portion, a second protruding portion, and a main body portion; the main body portion is located between the first protruding portion and the second protruding portion. The valve core base includes a first surface, a second surface, and a third surface, wherein the first surface and the third surface extend in the radial direction of the valve core base; at least a part of the valve core base is located in the accommodating cavity, and the first sealing member is located in the accommodating cavity. Along the radial direction of the accommodating portion, the first protruding portion abuts against the second surface, and the second protruding portion abuts against the accommodating portion.

Abstract: The present disclosure provides a state testing method for a rail vehicle, an on-board controller, and a zone controller.