9results about How to "Avoid short circuit conditions" patented technology

This invention provides an all-solid-state battery, including a casing and a solid-state battery body disposed inside the casing. The solid-state battery body includes a positive electrode portion, a solid electrolyte layer, and a negative electrode portion stacked sequentially. The solid electrolyte layer includes a first surface and a second surface facing each other. The first surface has a receiving groove, and the second surface has a protrusion. The positive electrode portion includes a positive electrode body and a positive electrode current collector. The positive electrode body is disposed within the receiving groove, and the positive electrode current collector is attached to the first surface of the solid electrolyte layer. The negative electrode portion includes a negative electrode body, a negative electrode current collector, and an elastic buffer layer. The elastic buffer layer has a cavity inside to accommodate the negative electrode body and the negative electrode current collector. An opening is provided on the surface of the elastic buffer layer near the protrusion, and the protrusion seals the opening and abuts against the negative electrode body inside. The all-solid-state battery of this invention has advantages such as high safety and low expansion rate.

The utility model discloses a kind of short-circuit-preventing string light components, comprising: substrate, the substrate has bearing surface;Insulating boss, be set on the bearing surface, and the bearing surface is divided into two halves;Positive electrode wire and negative electrode wire, respectively set on two the bearing surface of the insulating boss two sides;And at least one lamp pearl, two ends are respectively welded on the positive electrode wire and negative electrode wire.The setting of bearing surface can carry positive electrode wire and negative electrode wire, insulating boss can separate positive electrode wire and negative electrode wire, so that when welding lamp pearl, due to the blocking effect of insulating boss, the tin paste on positive electrode wire and negative electrode wire will not flow together, prevent the short-circuit situation occurs.

The application relates to a waterproof plug for charging and discharging, which comprises a plug body, the upper portion of the plug body is provided with an insulating positioning sleeve, a plug hole is formed in the insulating positioning sleeve, the top end of the outer wall of the insulating positioning sleeve is provided with a positioning convex edge, and connecting holes are formed on the two sides of the positioning convex edge; the lower portion of the plug body is provided with an insulating protection block which is arranged on the bottom surface of the insulating positioning sleeve and protrudes from the bottom surface, and positive and negative electrode connecting terminals are arranged in the plug hole; a rubber sealing gasket which is matched with the bottom surface of the positioning convex edge is arranged on the outer wall of the insulating positioning sleeve, and the rubber sealing gasket is provided with a rubber cover which can close the plug hole. The utility model belongs to the technical field of battery charging and discharging, can be quickly inserted into the positioning hole on the lithium battery pack shell, is convenient to install, is additionally provided with a rubber sealing gasket for sealing, and can effectively prevent rainwater, moisture and dust from entering the inside of the lithium battery pack shell to cause a short circuit.

This utility model relates to the field of pipeline inspection technology and discloses an amphibious pipe crawler, including a crawler body with two wheels installed on both sides. A charging port is provided on the surface of the crawler body, and floating devices are provided on both sides of the crawler body. Each floating device includes two connecting plates, which are fixedly connected to both sides of the crawler body. A strip plate is slidably inserted into each connecting plate, and a suspension frame is fixedly connected to one side of each strip plate. This amphibious pipe crawler achieves the effect of switching the crawler body to a floating state on water, avoiding the situation where a large amount of residual water in the pipeline makes it difficult for the crawler body to enter the water flow for use, thus improving the practicality of the device.

The utility model relates to the technical field of energy storage power supply mainly provides energy storage equipment toppling detection circuit and energy storage equipment, the circuit includes drive module, and the control module and detection module connected with drive module, detection module and drive module still all are connected with first power supply, and control module still is connected with controller. Detection module is used for receiving the first voltage of first power supply output, and when the inclination angle of energy storage equipment is less than the preset angle, the first voltage is released to avoid the false triggering of controller when energy storage equipment is placed horizontally, and when greater than the preset angle, the first voltage is input to drive module after the delay preset time, so that drive module outputs drive signal to control module when the first voltage is greater than voltage threshold, thereby controlling control module to output abnormal signal to controller based on drive signal, and then making controller cut off the charge and discharge function of energy storage equipment according to abnormal signal, avoiding the emergence of short circuit situation due to toppling, and improving the safety of energy storage equipment.

The application discloses a multi-stage interconnection connecting device based on a marine fire alarm controller and a control method, and relates to the technical field of ship equipment. The multi-stage interconnection connecting device based on the marine fire alarm controller and the control method are characterized in that a buffer mechanism is arranged on the side of the wire drum that is far away from the external thread, each wire of the marine fire alarm controller is connected through a line connection auxiliary mechanism, the wires can be arranged in an orderly manner, the distribution of the wires is prevented from being disorderly, the subsequent wire maintenance work is facilitated, a plurality of clamping pieces are extruded by the conical sleeve, the wires are clamped, the wires are prevented from shaking, the wires are not prone to falling off, the wires are stably connected, the wires are S-shapedly wound on the first guide wheel and the second guide wheel, when the wires are subjected to external force pulling, the spring elastic force is utilized to play a buffering role, the wires are prevented from being broken due to external rigid pulling, and the marine fire alarm controller is favorably and stably operated.

The utility model relates to the technical field of lithium ion battery, especially relates to a winding electric core structure. Winding electric core structure includes positive sheet, negative sheet and diaphragm. Positive sheet, negative sheet and diaphragm are formed arc region and flat region after winding, and the arc region formed by the first bending of positive sheet in the winding process is first arc region, and the inner side of first arc region is opposite to the starting end of negative sheet, and the inner side of first arc region is provided with insulating layer. The insulating layer includes framework layer and first adhesion layer, and the first adhesion layer is towards positive sheet, and the framework layer has first surface and second surface, and the second surface is towards the starting end of negative sheet. First surface and adhesion layer are bonded, can avoid the relative displacement between insulating layer and positive sheet in the winding electric core structure during charge and discharge, thereby can avoid the short circuit of electric core in the use process, and enhances the safety performance of electric core.

A semiconductor structure and a method for forming the same, the structure comprising: a substrate; a vertical stack structure comprising a channel region and source-drain regions on both sides of the channel region, the channel region comprising a first stack region, an isolation region and a second stack region on the substrate, the first stack region comprising a plurality of first channel layers, the second stack region comprising a plurality of second channel layers; a first isolation layer in the isolation region; a gate structure surrounding the first channel layers and the second channel layers on the substrate; a first source-drain doped region in the source-drain regions on both sides of the first stack region; a first contact layer on a surface of the first source-drain doped region having a first projection on a surface of the substrate; a second source-drain doped region on the first contact layer; a second contact layer on a surface of the second source-drain doped region having a second projection on the surface of the substrate, an area of the first projection being greater than or equal to an area of the second projection; a second connection layer on both sides of the gate structure; and a first connection layer in the second source-drain doped region. The semiconductor structure has improved performance.