3results about How to "Reliable protection function" patented technology

The invention provides an audio and video terminal, and belongs to the field of audio and video terminal equipment. The audio and video terminal comprises a machine body, a first panel, a second panel, an adjusting assembly, a convex screen and a protection assembly, and the adjusting assembly comprises a rotating shaft, a bottom plate, a driven roller, a belt and a driving roller; one side of the machine body is rotatably connected with the first panel, the other side of the machine body is rotatably connected with the second panel, one end of the rotating shaft is fixedly connected with the machine body, the other end of the rotating shaft is rotatably connected with the bottom plate, the arc surface of the rotating shaft is fixedly connected with the driven roller, and the arc surface of the driven roller is in transmission connection with the belt; the driving roller is in transmission connection with a belt; the adjusting assembly is used for driving the machine body to rotate through the driving roller, the driven roller and the rotating shaft to adjust visual angles of the first panel and the second panel; a convex screen is mounted on one side of the first panel, so that the view wide angle of the audio and video terminal is further expanded; the protection assembly can effectively protect the first panel and prevent the first panel from being damaged by the outside.

The invention discloses an SSPC integral protection circuit based on a high-speed operational amplifier. The SSPC integral protection circuit comprises a control circuit, a driving circuit, a power supply circuit, an acquisition circuit and an integral protection circuit, the input end of the control circuit is used for receiving an external control signal, and the output end of the control circuit is connected to the control end of the driving circuit; a power path of the driving circuit is connected in series in a load power supply loop, and a current sampling end of the driving circuit is connected to an input end of the acquisition circuit; the output end of the acquisition circuit is connected to the input end of the integral protection circuit; the protection action output end of the integral protection circuit is in feedback connection with the input end of the control circuit and is used for turning off the driving circuit when a fault occurs; and the power supply circuit provides a working power supply for each circuit module. According to the invention, the problem that the current SSPC power distribution equipment is not timely enough to deal with the load short circuit and the problem that the two states of capacitive load power-on and load short circuit cannot be distinguished are solved.

The utility model relates to the technical field of battery discloses a kind of battery and electronic equipment, the battery includes battery main body and protection plate, the battery main body includes positive electrode surface and negative electrode surface, the protection plate is set on the positive electrode surface and is respectively electrically connected with the positive electrode surface and the negative electrode surface, positive electrode end and negative electrode end for being connected with external consumer are provided on the protection plate, the protection plate includes control chip and power switch integrated on the control chip and electrically connected with the control chip, the protection plate further includes the insulating plastic package body that the control chip and the power switch are wrapped simultaneously, one end of the power switch is electrically connected with the positive electrode surface, the other end of the power switch is electrically connected with the positive electrode end;The application mainly solves the technical problem of how to reliably protect small battery (for example button cell or small cylindrical battery).