State detection apparatus and method for folding screen and folding screen apparatus

A folding screen apparatus, comprising:

• a foldable display screen and a rotating shaft assembly, wherein the rotating shaft assembly is arranged in a folding position of the foldable display screen, and the foldable display screen is able to unfold or fold through the rotating shaft assembly;
• and
• a state detection apparatus for the foldable display screen, the state detection apparatus comprising:
• at least one connection assembly, comprising a first component and a second component, the first component and the second component being electrically conductively coupled or decoupled correspondingly according to a motion state of the foldable display screen;
• and
• a detection assembly electrically coupled to the at least one connection assembly, and configured to detect a state of electrical conduction connection or disconnection between the first component and the second component and determine a state of the foldable display screen according to the state of electrical conduction connection or disconnection between the first component and the second component, wherein at least one of the first component and the second component in the state detection apparatus is arranged on the rotating shaft assembly, and rotates circumferentially around a central axis of the rotating shaft assembly as the foldable display screen is unfolding or folding,
• wherein the first component has a U-shaped structure with an opening, an elastically deformable portion being arranged at the opening, and the second component has a first end portion;
• a minimum radial size of the opening is less than a maximum radial size of the first end portion, the first end portion is inserted into the first component by elastic deformation of the elastically deformable portion, and elastically deformable portions are located on two sides in an insertion direction.

A state detection method for a folding screen, applied to a state detection apparatus for the folding screen, wherein the state detection apparatus comprises:

• at least one connection assembly, comprising a first component and a second component, the first component and the second component being electrically conductively coupled or decoupled correspondingly according to a motion state of the folding screen;
• and
• a detection assembly electrically coupled to the at least one connection assembly, and configured to detect a state of electrical conduction connection or disconnection between the first component and the second component and determine a state of the folding screen according to the state of electrical conduction connection or disconnection between the first component and the second component, and
• wherein the first component has a U-shaped structure with an opening, an elastically deformable portion being arranged at the opening, and the second component has a first end portion;
• a minimum radial size of the opening is less than a maximum radial size of the first end portion, the first end portion is inserted into the first component by elastic deformation of the elastically deformable portion, and elastically deformable portions are located on two sides in an insertion direction,
• wherein the state detection method comprises:
• acquiring an electrical signal indicating conduction or disconnection between the first component and the second component;
• and
• determining the state of the folding screen based on the electrical signal.