9results about How to "Realize electrostatic protection" patented technology

The embodiment of the invention provides an electrostatic protection circuit, battery management equipment, a battery pack and electric equipment, and the electrostatic protection circuit comprises a first electrostatic protection unit which is configured to be electrically connected between a positive electrode output terminal and a negative electrode of a battery module, and the first electrostatic protection unit comprises at least one capacitor; and / or the second electrostatic protection unit is configured to be electrically connected between the negative electrode output terminal and the negative electrode of the battery module, and the second electrostatic protection unit comprises at least one capacitor.

The embodiment of the present application discloses a method for inhibiting integrated circuit from static damage, comprising: providing a first chip, and arranging an integrated circuit on the first chip; providing a second chip, and arranging an electrostatic protection circuit on the second chip, the electrostatic protection circuit comprising: a first output port, a second output port and a first resistor; wherein, when an electrostatic pulse flows through the first resistor, the resistance of the first resistor increases; connecting the first output port with an output port of the integrated circuit, so that the electrostatic protection circuit can inhibit the integrated circuit from static damage. Moreover, the electrostatic protection circuit is arranged on the second chip, and the integrated circuit is arranged on the first chip, so that the integrated circuit and the electrostatic protection circuit are arranged on different chips, avoiding the problem that the integrated circuit cannot be designed for electrostatic protection due to the limitation of the base material of the chip on which the integrated circuit is arranged, and realizing the electrostatic protection of the integrated circuit of new material.

The utility model relates to the technical field of transfer devices, in particular to an anti-static transfer device which comprises a shell. The trundles are connected with the shell; the discharging assembly is connected with the shell and is used for guiding static electricity; the storage mechanism is arranged on the inner side of the shell and used for achieving storage and protection of materials; wherein the storage mechanism comprises a placement assembly, and the placement assembly is connected with the shell and used for achieving storage of materials; the control assembly is arranged on the outer side of the placement assembly, is connected with the shell and is used for sealing the shell; and the positioning assembly is connected with the placing assembly and the control assembly, and through the arrangement of the storage mechanism and the cooperation of the discharging assembly, the PCB can be effectively prevented from being damaged by static electricity, the stability of the PCB in the transferring process can be guaranteed, and the transferring quality is guaranteed.

The embodiment of the application provides a high reverse maintaining DDSCR electrostatic protection device and a chip, the high reverse maintaining DDSCR electrostatic protection device comprises: a first conductive type substrate; a second conductive type buried layer; a well structure group located on the second conductive type buried layer, the well structure group comprises a plurality of first conductive type wells and second conductive type wells arranged alternately; an anode structure, the anode structure comprises a first anode heavily doped region and a second anode heavily doped region; a cathode structure, the cathode structure comprises a first cathode heavily doped region, a second cathode heavily doped region and a third cathode heavily doped region; a floating doping structure, the floating doping structure comprises at least one floating second conductive type heavily doped region. The scheme can realize bidirectional signal port electrostatic protection by increasing the floating doping structure, reducing the positive feedback of the parasitic SCR path, increasing the reverse maintaining voltage, keeping the reverse maintaining voltage consistent with the forward maintaining voltage.

The present invention proposes a display panel and a display device, wherein the display panel includes a first substrate, the first substrate includes a display area and a non-display area surrounding the display area, the periphery of the non-display area is provided with a first circular routing, a second circular routing and a third circular routing which are arranged in sequence from the outside to the inside, a first electric field in a first direction and a second electric field in a second direction are alternately established between the first circular routing and the second circular routing, a third electric field in a second direction and a fourth electric field in the first direction are alternately established between the third circular routing and the second circular routing, the electric field strength of the first electric field is not less than the electric field strength of the third electric field, and the electric field strength of the second electric field is greater than the electric field strength of the fourth electric field, and the process of repeatedly adsorbing and discharging electric charges entering the first substrate from the outside is continuously realized, thereby realizing electrostatic protection and blocking electrostatic charges from entering the display area, thereby enhancing the electrostatic protection capability and reliability of the display panel.

This application provides a high reverse sustaining DDSCR electrostatic discharge (ESD) protection device and chip. The high reverse sustaining DDSCR ESD protection device includes: a first conductivity type substrate; a second conductivity type buried layer; a well structure group located on the second conductivity type buried layer, the well structure group including multiple alternately arranged first conductivity type wells and second conductivity type wells; an anode structure including a first heavily doped anode region and a second heavily doped anode region; a cathode structure including a first heavily doped cathode region, a second heavily doped cathode region, and a third heavily doped cathode region; and a floating doped structure including at least one floating second conductivity type heavily doped region. This solution, by adding a floating doped structure, reduces the positive feedback of the parasitic SCR path, increases the reverse sustaining voltage, and makes the reverse sustaining voltage consistent with the forward sustaining voltage, thus achieving bidirectional signal port ESD protection.

The embodiment of the present invention relates to an electrostatic protection circuit design, and discloses an electrostatic protection circuit, including: an electrostatic protection module; an input and output terminal, a power supply terminal, and a ground terminal; the electrostatic protection module includes a first NMOS transistor, a first capacitor, and a first resistor, the source and substrate of the first NMOS transistor are both connected to the input and output terminal, and the drain is connected to the ground terminal; the first end of the first capacitor is connected to the ground terminal, and the second end is connected to the gate of the first NMOS transistor; the first end of the first resistor is connected to the input and output terminal, and the second end is connected to the gate of the first NMOS transistor. In the present invention, the electrostatic protection circuit can effectively realize the electrostatic protection of the internal circuit without affecting the operation of the internal circuit.

The embodiment of the invention discloses electronic equipment which comprises a shell, a metal decorating part, a mounting bracket, a conductive part and a flexible circuit board, the metal decorating part is connected in a first mounting through hole in the shell, the mounting bracket is arranged in the shell, a connecting through hole is formed in the mounting bracket, and the conductive part is arranged in the connecting through hole. The conductive parts are arranged on the two sides of the mounting bracket and in the connecting through hole, and the flexible circuit board is arranged on the side, away from the shell, of the mounting bracket and is electrically connected with the metal decorating part through the conductive parts, so that electrostatic discharge generated on the metal decorating part is conducted to a grounding point. The grounding mode of the metal decorating part in the electronic equipment is simple, the number of parts is small, the assembly process is simplified, and the electrostatic protection effect is achieved.

The invention discloses a linear actuator with electrostatic protection, which comprises an actuating unit for providing an actuating torque, a screw rod driven by the actuating torque to rotate, an inner pipe which sleeves the outer side of the screw rod and is driven by the rotation of the screw rod to do linear telescopic motion, a shell which sleeves the outer side of the inner pipe, and a stroke control unit, the travel control unit comprises a first travel switch and a second travel switch, and the first travel switch and the second travel switch are distributed on the radial side of the inner pipe at intervals in the telescopic direction of the inner pipe, so that the telescopic travel of the inner pipe is limited; the linear actuator further includes a first insulator and a second insulator, the first travel switch being radially electrically isolated from the inner tube by the first insulator, and the second travel switch being radially electrically isolated from the inner tube by the second insulator. According to the linear actuator, electrostatic protection is carried out on the first travel switch and the second travel switch, the influence of static electricity on the two travel switches and the control unit can be avoided, and normal use of the linear actuator is guaranteed.