20results about How to "Avoid arcing" patented technology

The utility model relates to the technical field of charging guns, and particularly discloses a waterproof, anti-heating, anti-electric shock and anti-arc structure of a conversion head, which comprises a CCS1 gun head and an NACS interface connected with the CCS1 gun head, a first copper contact pin, a first signal pin and a PCBA circuit board are arranged in the CCS1 gun head, a first button and a second button are arranged on the NACS interface, and a second copper contact pin is arranged on the first button. The inner side of the first button and the inner side of the second button are each provided with a microswitch electrically connected with the PCBA circuit board, a copper bar, a second copper pin and a second signal pin are arranged in the NACS interface, and a waterproof sealing strip is arranged between the CCS1 gun head and the NACS interface. According to the utility model, the first copper pin and the second copper pin are both connected with the copper bar in a pressure riveting manner, the first button and the second button are internally provided with the microswitches, power is cut off before the gun is pulled out, electric arc generation is avoided, the electric arc prevention function is realized, and the electric shock prevention function is realized by arranging the safety door structure at the output end of the CCS1 gun head. The waterproof sealing performance is improved by arranging the waterproof sealing strip, and the waterproof grade is improved.

The utility model provides a kind of hanging air purifier, relate to air purifier technical field.A kind of hanging air purifier, comprising: shell, air inlet and air outlet are provided on shell;Support frame, support frame is set in shell, and first accommodating space is provided in support frame;Filter element, filter element is set in first accommodating space;Plasma generating device, plasma generating device is set in first accommodating space, and filter element is set between plasma generating device and air inlet;Wherein, plasma generating device includes first frame and multiple plasma generating modules set in first frame.By being provided with plasma generating device in hanging air purifier, air is further treated by sterilization, deodorization etc. after passing through physical filtration, improve purification efficiency, and plasma generating device uses modular design to use multiple plasma generating modules, facilitate flexible configuration.

The invention relates to the technical field of dust removal, in particular to a high-hardness and washable electrostatic dust removal electrode and a preparation method and application thereof. The electrostatic dust collection electrode comprises an electrode body and a coating arranged on the surface of the electrode body, the preparation raw materials of the coating comprise a photocureable coating and an inorganic filler; the inorganic filler comprises at least one of silicon dioxide and zirconium dioxide. The surface of the electrostatic dust collection electrode is provided with the coating jointly formed by the photocureable coating and the inorganic filler, the problem of surface arcing of the electrostatic dust collection high-voltage electrode is solved, the coating has excellent surface hardness and wear resistance, the hardness and wear resistance of the coating are improved, and after the electrostatic dust collection electrode is washed for multiple times, the electrostatic dust collection electrode is not prone to falling off. And the good purification efficiency is still kept.

This utility model relates to the field of power supply technology, specifically to a synchronous rectification and commutation power supply. It includes a housing, inside which a battery is fixedly installed, with two electrode plates connected to the battery. It also includes a lap plate fixedly installed inside the housing and positioned inside the electrode plates. Furthermore, it includes an adjusting component movably connected to the housing, capable of moving up and down within the housing. Two frames are fixedly installed on the adjusting component, with metal plates movably connected inside the frames. Additionally, it includes two metal sheets laid on the inner wall of the housing, and two lap plates also disposed on the inner wall. Through the adjusting component and metal plates, a simple and rapid commutation operation can be achieved under the drive of a hydraulic cylinder. Furthermore, by using through slots and magnetic switches on the lap plates, and employing methods such as increased creepage clearance and power-off, arcing during commutation is avoided, improving the safety of the power supply.

This invention discloses a high-voltage insulation short-circuit device, belonging to the field of high-voltage discharge technology. The high-voltage insulation short-circuit device includes an insulating sleeve and grippers, and further includes: an electrical connection mechanism comprising a sliding sleeve, a first conductive post, and a conductive piston. The first conductive post is located at one end within the sliding sleeve, and the conductive piston is electrically connected to a ground wire. The inner cavity of the sliding sleeve between the conductive piston and the first conductive post is a vacuum-sealed cavity. One end of a second conductive post abuts against a terminal post, and the other end of the second conductive post can abut against the first conductive post. A locking mechanism is used to lock the position of the conductive piston. When the first conductive post contacts the second conductive post, the locking mechanism releases the locking of the conductive piston, and the conductive piston moves towards the side closer to the first conductive post until it abuts against the first conductive post. The high-voltage insulation short-circuit device of this invention can prevent the generation of an electric arc around the terminal post, thereby preventing the high temperature generated by the arc discharge from melting the terminal post or the short-circuit device.

The invention relates to the technical field of film capacitors, in particular to a metalized electrode structure of a film capacitor, which comprises a dielectric film and a metalized layer arranged on the surface of the dielectric film, the metalized layer comprises a grid area, an edge thickening area and a connecting bridge, the edge thickening area is arranged on the edge of the dielectric film, and the connecting bridge is arranged on the edge thickening area. The grid area comprises an inner-ring grid and an outer-ring grid, the aperture of the inner-ring grid is D1, the aperture of the outer-ring grid is D2, D1 and D2 meet the following relation: D1 is less than D2, the grid area is composed of a plurality of staggered metal strips, the inner-ring grid and the outer-ring grid are connected through a connecting bridge, the edge thickening area is connected with the outer-ring grid through the connecting bridge, the width of each metal strip is 0.1-1mm, and the width of each metal strip is 0.1-1mm. The hole diameter of the grid area ranges from 0.5 mm to 5 mm, the metalized layer is made of aluminum-zinc alloy materials, the thickness of the metalized layer ranges from 20 nm to 100 nm, and the width of the edge thickening area ranges from 2 mm to 5 mm. The technical problems that an existing thin film capacitor is poor in voltage endurance capability, heat dissipation performance and mechanical stability and large in preparation difficulty are solved.

This invention relates to the field of livestock and poultry manure treatment technology, providing a resource-based treatment method, system, and biochar for the thermal treatment of livestock and poultry manure. The treatment method includes: solid-liquid separation of livestock and poultry manure raw materials to obtain a solid phase material; adding a conductive regulating component to the solid phase material and mixing it evenly to obtain a conductive mixture; molding the conductive mixture to obtain a molded body to construct an internally stable solid resistance network; placing the molded body in a flash Joule heating reaction chamber, and applying a pulsed current to the molded body through electrodes under an inert atmosphere, utilizing the resistive Joule heating effect of the molded body to raise its temperature to above 800°C, completing the instantaneous heat treatment; cooling and collecting the solid product after instantaneous heat treatment to obtain the resource-based product, biochar. This invention, by combining conductive regulation, physical molding, and flash Joule heating technology, can effectively solve the problem of excessive energy consumption caused by the reliance on external heat sources for long-term drying and pyrolysis in the livestock and poultry manure treatment process.

The application relates to the technical field of relays, in particular to a novel magnetic latching relay which comprises a shell, a contact mechanism fixedly installed in the shell, the contact mechanism comprising a first static foot and a second static foot, the first static foot and the second static foot being fixedly installed on one side in the shell, a first static contact being fixedly installed on the first static foot, a second static contact being fixedly installed on the second static foot, a rotating mechanism being rotatably connected to one side in the shell and located between the first static foot and the second static foot, two dynamic contacts being fixedly installed on the rotating mechanism and used for cooperating with the first static contact and the second static contact to realize circuit on-off, a pushing assembly being fixedly installed in the shell and used for driving the rotating mechanism to rotate, and an electromagnetic assembly being fixedly installed in the shell and used for driving the pushing assembly, through rotation of the rotating mechanism, the two dynamic contacts on the rotating mechanism are respectively attached to the first static contact and the second static contact, the single-contact stroke is shortened, and the working efficiency of the device is improved.

The utility model relates to the technical field of electric vehicles, in particular to a power connector for charging an electric vehicle. The utility model provides the power supply connector for charging the electric vehicle, which can be separated in time when the temperature of the butt joint position between the plug and the charging butt joint seat is detected to be abnormal, and avoids accidents caused by overheating. A power connector for charging an electric vehicle comprises power lines, a connector and the like, the power lines are arranged on the left and the right, and the connector is connected to the right side of the power line on the left. According to the utility model, when the temperature sensor detects that the temperature is abnormal, acousto-optic prompting is carried out through the prompting lamp, the electric push rod drives the clamping head to move leftwards, and the clamping head pushes the connector to move leftwards, so that the plug is separated from the charging butt joint seat; and the effects of timely separating when the temperature of the butt joint position between the plug and the charging butt joint seat is detected to be abnormal and avoiding accidents caused by overheating are achieved.

The utility model relates to the technical field of sockets, in particular to a socket, which comprises a base, a plug bush assembly and an upper cover, an installation cavity is arranged on the base, the upper cover is connected with the installation cavity in a buckling way, the plug bush assembly is arranged inside the installation cavity, an abutting part is arranged on the inner wall of the upper cover, and when the upper cover is buckled with the installation cavity, the plug bush assembly is inserted into the abutting part. The socket is provided with a structure for limiting and fixing the plug bush assembly, so that the plug bush assembly is prevented from shaking in the socket when a plug is plugged into and pulled out of the socket, and stable electric connection is ensured.

The utility model provides a battery module and a battery pack. The battery module comprises at least two battery cells; each isolation assembly is located between every two adjacent battery cells, each isolation assembly comprises a heat insulation part and an insulation part, the heat insulation parts are arranged on the side edges of the battery cells and used for isolating heat between every two adjacent battery cells, and the insulation parts are arranged on the heat insulation parts and located on the heat insulation parts. According to the invention, the problem of heat diffusion caused by heat insulation failure and arc discharge in the thermal runaway process of the battery cell can be effectively solved.

The invention discloses a moving ring and a plasma processing device, the moving ring is used in the plasma processing device and can be lifted, and the moving ring comprises an insulated first annular part and a conductive layer; the first annular part comprises a first inner surface opposite to a reaction area in the reaction cavity and a first outer surface opposite to the reaction area; the conductive layer covers the first inner surface in an isolated manner and / or is arranged in the first annular part. According to the moving ring and the plasma processing device, the isolated conducting layer is arranged on the moving ring, radio frequency plasma in the technological process enables the isolated conducting layer to generate high-frequency induction potential, the induction potential forms induction eddy current heating on the conducting layer, the temperature of the surface of the moving ring is increased, and the plasma processing efficiency is improved. The risk of polymer generation on the moving ring is reduced, and meanwhile, the problem of arc discharge caused by external conduction can be avoided.

The invention relates to the technical field of vacuum circuit breakers, and particularly discloses an intelligent power grid outdoor box type high-voltage alternating-current vacuum circuit breaker which comprises a control box, a fixing pipe is fixedly connected to the top of the control box, outer cooling fins are fixedly connected to the side face of the fixing pipe in a sleeving and folding mode, and an auxiliary pipe is communicated with the side face of the fixing pipe. The inner wall of the fixed pipe is fixedly connected with a circuit breaking device, the circuit breaking device comprises a vacuum pipe, the side face of the vacuum pipe is fixedly connected with an inner cooling fin, the top of the vacuum pipe penetrates through and is fixedly connected with an upper electrode, the inner wall of the movable device is slidably connected with a lower electrode, and the bottom of the lower electrode is fixedly connected with a connecting column. The top of the vacuum tube is fixedly connected with an energy storage device, the side face of the inner cooling fin is fixedly connected with the inner wall of the fixed tube, the control box controls on-off of the interior of the fixed tube, and the intelligent power grid outdoor box type high-voltage alternating-current vacuum circuit breaker achieves the purposes of increasing the contact area and achieving multi-directional disengagement.

This application relates to the field of power converter technology, specifically to a power module and a power converter. This application aims to solve the technical problem of excessive parasitic inductance introduced into the circuit board, leading to significant power loss in the power converter. Embodiments of this application provide a power module, including a package, a first power chip, and a second power chip. Both the first and second power chips are packaged within the package. The power module also includes connecting lines disposed within the package. The first and second power chips are electrically connected via these connecting lines, facilitating the integration of the power module and improving the power density of the power converter. Because the connecting lines are disposed within the package, and the first and second power chips are electrically connected via these connecting lines, the trace distance on the circuit board can be reduced, lowering the parasitic inductance on the circuit board and thus reducing the power loss of the power converter.

The contact system comprises a handle mechanism, a moving contact mechanism, a static contact and an energy storage mechanism, the moving contact mechanism comprises a contact support rotationally arranged in a shell assembly and a moving contact rotationally arranged on the contact support, the moving contact is connected with the contact support through an energy storage spring, the moving contact is provided with a locking shaft, and the locking shaft is connected with the static contact. The contact support is provided with an unlocking shaft, and the energy storage mechanism comprises an energy storage part which is rotationally arranged; when the contact support is driven by the handle mechanism to drive the moving contact to be close to the static contact, the energy storage piece blocks the locking shaft of the moving contact to enable the moving contact to be kept at the energy storage position, and the contact support continues to rotate relative to the moving contact and enables the energy storage spring to store energy until the unlocking shaft of the contact support moves to the unlocking position to push the energy storage piece to rotate. And the energy storage spring releases energy to drive the moving contact to rotate to the closing position where the moving contact is in contact with the static contact, so that the problem of arcing caused by too low closing speed can be avoided.

A household appliance power interface structure comprises an electric cooker body, a power box connecting and distributing device and a power connecting device. The power distribution box device comprises a power distribution box, a connecting plate and a clamping seat assembly, clamping holes are evenly distributed in the connecting plate, the clamping seat assembly comprises a clamping seat and retractable clamping heads connected to the clamping seat, a time delay relay is connected to the clamping seat in a clamped mode and communicated with an electric cooker control circuit in the electric cooker body, and the clamping heads are evenly distributed at the bottom of the clamping seat. The clamping head is matched with the clamping hole, the time delay relay is a low-voltage time delay relay, the power supply connecting device is matched with a plug of an external power line, the power supply connecting device comprises a connecting shell and a double-end integrated potential sheet capable of elastically moving, and the double-end integrated potential sheet is provided with an abutting section and a conductive section connected to the abutting section. Elastic conducting strips are further arranged at the two opposite ends of the conducting section, so that in the daily use process of the electric cooker, electric arcs caused when a power supply is switched on or switched off are avoided, and the safety of the electric cooker in the use process is effectively improved.

The utility model relates to an anti-mistaken-touch shell-type circuit breaker, which comprises a base, a cover plate, a static contact piece, a movable contact piece, a tripper, a flash barrier, an arc extinguish chamber and an arc extinguish cover, and mainly aims to add an arc extinguish cover structure on the static contact piece, and the arc extinguish cover tightly wraps the outer side of the static contact piece to effectively isolate other contact areas of the static contact piece, so that the static contact piece is prevented from being touched by mistake. One end of the arc extinguishing cover is clamped and fixed with the static contact piece through the flash barrier, the other end of the arc extinguishing cover is embedded into the base, the arc extinguishing cover is prevented from falling off to affect closing of the circuit breaker, and the arc extinguishing cover is used for blocking accessories falling off due to vibration or misoperation on the tripping device. The phenomenon of short circuit or arc discharge caused by false contact between the accessory and the static contact is avoided, and the power utilization safety is improved.

This application provides a power distribution unit and a power distribution system. The power distribution unit includes: a power distribution cabinet connected between a power supply and a load for supplying power to the load; wherein the power distribution cabinet includes: a control module and cabinet output terminals; the power supply line extends to connect to the cabinet output terminals, and the cabinet output terminals are also connected to the load; the control module is used to control the power line to be in a disconnected state before the cabinet output terminals are plugged into or unplugged from the load, to ensure that arcing does not occur when the cabinet output terminals are plugged into or unplugged from the load. The power distribution unit provided by this application solves the technical problem in the prior art where plugging into or unplugging the cabinet and load under energized conditions easily generates arcing, reducing the stability and reliability of the power supply system.

The utility model provides a kind of polycrystalline silicon electrode polishing device, it is related to polycrystalline silicon production technical field, including operation cover, polishing disc and polishing brush, the operation cover top side is equipped with dust suction connector, the dust suction connector is connected with negative pressure machine, for negative pressure dust collection, operation cover side wall is connected with multiple upper blow-off connector and lower blow-off connector, for inlet compressed air;The polishing disc is installed in operation cover, and the polishing disc is connected with external power source by the transmission rod that passes through operation cover, and a plurality of polishing brushes are fixedly connected below the polishing disc, and the polishing brush is driven by external power source to polish electrode under the polishing disc.The utility model can effectively improve the dust removal efficiency of polycrystalline silicon reduction furnace electrode, reduce the health risk and equipment failure risk brought by manual operation.

The application discloses a composite heat insulation structure suitable for radio frequency sealing and plasma ablation, and relates to the field of electrosurgical instruments. The composite heat insulation structure is arranged in a non-working area of a surgical clamp and is used for limiting heat diffusion and non-target conduction in a multi-energy working condition. The composite heat insulation structure comprises a first functional layer and a second functional layer. The first functional layer is arranged outside a metal base of the surgical clamp and is used for limiting heat and current diffusion to the non-working area in a radio frequency sealing working condition. The second functional layer is arranged outside the first functional layer and is used for improving the electrical insulation stability in a wet environment in a plasma ablation working condition. The composite heat insulation structure is designed in layers and is matched with differentiated functional layers, and is specifically adapted to different working condition requirements of radio frequency sealing and plasma ablation, so that the pain point that a single structure cannot simultaneously consider high-temperature heat insulation and wet-state insulation is effectively solved.