Abstract: A connector, comprising: a housing which has a first port, a second port, and a first chamber in communication with the first port and the second port; a cover, which is connected to the housing and which has a second chamber in communication with the first chamber; and a bulging portion, which is disposed in the first chamber and protrudingly extends toward the second chamber. A side groove which obliquely curves and extends towards the second chamber is provided in the first chamber. The groove structure of the connector can guide a portion of fluid which is flowing into the first chamber from the first port towards the second chamber, so as to form a spiral upward vortex, thereby enlarging a flushing region, increasing the flushing efficiency, and reducing the risk of pollution.

Abstract: A backlight driving method and a display panel are provided. The backlight driving method provided by the present application uses pulse width modulation technology to modulate a low-level pulse width of a scan signal. By increasing a low-level pulse width to increase the pulse period, a number of high-level pulses is reduced, thereby reducing a high-level pulse time. Therefore, a time for a TFT to receive a high-level voltage is also reduced, thereby improving a stability of the TFT and also improving a problem of a threshold voltage drift of the TFT.

Abstract: Disclosed are a sleep detection method and an apparatus, an electronic device and a storage medium. The sleep detection method includes: collecting pressure information from a bed; detecting the pressure information collected within a continuous preset duration, and determining whether the pressure information includes a sleep parameter of a body sign from a sleeping human; and if the pressure information includes the parameter of the sleeping human body sign, turning on a sleep detection function to perform the sleep detection. The sleep detection method and the apparatus, the electronic device and the storage medium can be applied to an apparatus having a sleep detection function, such that the sleep detection function in the apparatus having the sleep detection function is automatically turned on without a manual operation of a user, thereby saving time and labor.

Abstract: A mounting device for internal circlip comprises a device frame composed of a base board, a cylinder fixation board and at least two perpendicular sliding guides located between the base board and the cylinder fixation board and fixed thereof; a core rod fixation board and a sleeve fixation board being movable on the at least two sliding guides, the core rod fixation board being above the sleeve fixation board, at least two compression springs being located thereof; a cylinder fixed on the cylinder fixation board, a piston rod of the cylinder passing through the cylinder fixation board being fixed on top of a circlip core rod, the circlip core rod and the core rod fixation board being fixed together and a bottom of the circlip core rod extending to a top of the sleeve fixation board; a sleeve coaxial with the circlip core rod being fixed on the top of the sleeve fixation board, the sleeve having a inner cone hole with a big top opening and a small bottom opening, a bottom of the circlip core rod can pass thro