19results about How to "Rapid disconnection" patented technology

This utility model relates to the field of power electronics technology, specifically to a DC common bus current limiting and blocking device. It includes an energy storage converter and a DC bus terminal, with a blocking module disposed between the energy storage converter and the DC bus terminal. The blocking module includes multiple blocking units, and the energy storage converter is connected to the blocking units. The blocking units are connected in parallel to each other and connected to the DC bus terminal. This DC common bus current limiting and blocking device can achieve rapid current limiting and isolation when multiple energy storage converters are connected in parallel to the DC bus. It has high response speed and dynamic detection capability, and can effectively avoid the adverse effects of abnormal current caused by faulty equipment on other equipment.

This invention relates to the field of adhesive coating technology and discloses an adhesive coating device for an induction cooker panel, including a base, a linear guide rail on the base, a spray gun fixedly mounted on the linear guide rail, the spray gun including an adhesive supply pipe and a movable nozzle, a back suction valve on the adhesive supply pipe, a fixed pipe connecting the adhesive supply pipe and the movable nozzle, the fixed pipe being fixedly connected to the linear guide rail, a limit cylinder coaxially fixedly mounted on the fixed pipe, the movable nozzle coaxially mounted inside the limit cylinder and connected to the fixed pipe through a cylindrical elastic membrane, a magnet fixedly mounted on the movable nozzle, and a winding coaxially mounted on the limit cylinder; this application achieves rapid stretching and breaking of the adhesive by driving the movable nozzle to rotate circumferentially and causing the elastic membrane to undergo helical torsional deformation, forming an axial tensile force that drives the movable nozzle to move axially, thereby achieving rapid stretching of the adhesive and breaking it. At the same time, combined with the back suction effect of the back suction valve and the pressure-holding design of the elastic membrane, it effectively solves the problem of easy stringing of the adhesive at the end of the coating process.

The utility model discloses a copper bar waterproof connector, including electricity connection structure and electricity connection mechanism, the top of electricity connection structure is provided with bolt assembly's waterproof structure, and the inner side of waterproof structure is provided with bolt sleeve's electricity connection mechanism, the electricity connection mechanism contains inside lining baseplate, electricity connection head, flexible cable, accept plug rod, plug rod, insulating base, screw rod, screw drum, shaft seal and spline groove seat, inside lining baseplate sets up the inner bottom side of waterproof structure, the top of inside lining baseplate is provided with electricity connection head, and the top of electricity connection head is provided with flexible cable, one end of flexible cable is provided with accept plug rod, this copper bar waterproof connector utilizes shaft seal and spline groove seat, and the insulating base, screw rod, screw drum of middle axis are in the same straight line and make accept plug rod, plug rod can be closed to reach the operating effect of quick communication and disconnection, and have good security and reduce the accident risk.

The utility model relates to control valve group field especially, it relates to a control valve group with quick plug -pull structure, including shell assembly, the auxiliary assembly of being connected on shell assembly and the plug -pull assembly of being connected on shell assembly. The utility model provides a control valve group with quick plug -pull structure, has realized the remarkable optimization of control valve group connection and maintenance, has promoted the overall work efficiency and reliability, through plug -pull assembly and auxiliary element, control valve group's assembly and disassembly become extremely convenient, and realized the quick connection and reliable locking between parts, so that the user need not use additional tool, can quickly complete valve group's connection and break, through auxiliary assembly seals each connecting area between valve core, second pipeline and first base respectively, effectively prevented the leakage of fluid, ensured the reliable operation of control valve group, first spring and second spring provided stable connecting force for whole structure, improved the service life of valve group.

The present application relates to an output circuit. The present invention can suppress power consumption, does not cause adverse effects on gate drive, and quickly turns off the output transistor of the p-channel. The present invention includes: an output transistor (MP1) of the p-channel, whose drain is connected to an output terminal; a gate drive circuit (A1) that drives the gate voltage of the output transistor; and a pull-up transistor (NAT) of the n-channel, which is connected to the gate of the output transistor (MP1) and turns on to pull up the gate voltage when the output transistor turns off. The output transistor (MP1) is an enhancement type with a relatively high threshold voltage for turning on, and the pull-up transistor (NAT) is a natural type with a relatively low threshold voltage for turning on.

This utility model relates to the field of relay technology, and provides an anti-arc safety relay for charging piles, including a relay housing and a coil installed at the center of the bottom of the housing; an iron core, which is slidably inserted into a through hole running vertically through the center of the coil; a transmission column, which is installed at the top of the iron core; a moving contact assembly, which is installed at the top of the transmission column; and two arc-extinguishing components, which are symmetrically installed on the left and right side walls near the top of the relay housing. This anti-arc safety relay for charging piles, through the scientific layout of multi-layer arc-extinguishing grids, a fast-rebound disconnection mechanism, and a buffer reset design, can effectively suppress and quickly eliminate the arc generated between the moving and stationary contacts, significantly improving the safety performance and service life of the relay.

This invention discloses a transformer testing device, whose switching mechanism includes: three busbar assemblies for electrical connection to the three-phase bushing terminals of the transformer; two sliding contact assemblies, each comprising multiple slidingly engaged slider contacts spaced apart, with each busbar assembly connected and disconnected via the sliding contact assemblies; and a pushing device for driving the slider contacts of the sliding contact assemblies to move, thereby electrically connecting or disconnecting the slider contacts. Operators can quickly connect and disconnect the transformer terminals by controlling the pushing device. The device is simple in structure and easy to operate. Furthermore, when the switching mechanism is in the closed state, the contact is achieved through the contact of the slider contacts. Compared to a disconnector, the contact between the slider contacts is surface contact, which is more reliable, has a larger contact area, and eliminates the shearing force experienced during disconnection and opening of a disconnector, thus solving the problem of contact surface wear.

This utility model relates to a smart glasses, comprising: a frame; temples disposed on the left and right sides of the frame; a connector having a first connecting part and a second connecting part, wherein one end of the first connecting part is fixedly connected to the frame and the other end is rotatably connected to the second connecting part, and the end of the second connecting part away from the first connecting part is fixedly connected to the temple; a control component including a first electronic unit, a second electronic unit, and a third electronic unit, wherein the third electronic unit is an FPC circuit board; an electrical connection device; when the smart glasses are unfolded, the frame and the connector, as well as the temples and the connector, are electrically connected through the electrical connection device. In the smart glasses of this utility model, the temples are rotatably connected to the frame through the connector, reducing the bending of the internal circuitry when the temples are folded; simultaneously, the electrical connection is achieved by replacing cables with an electrical connection device, and the connector has a built-in flexible FPC circuit board, avoiding the problem of rigid cables breaking when the temples are repeatedly unfolded or folded.

The utility model discloses a quick disconnecting type disconnecting device for a rigid contact network. The quick disconnecting type disconnecting device comprises a first fixed busbar, a second fixed busbar and a movable busbar, an electric connection device is arranged between the first fixed busbar and the movable busbar, and an electric connection device is arranged between the movable busbar and the second fixed busbar; the first fixed busbar is hinged with the movable busbar; the movable busbar is provided with a movable busbar second wire clamp, the movable busbar second wire clamp is provided with a lower connecting part, the upper portion of the lower connecting part is in threaded connection with an upper connecting part, the upper connecting part is rotatably connected with the busbar suspension supporting structure, and the upper connecting part is connected with a driving motor. The rotating axis of the upper connecting part coincides with the axes of the threads of the upper connecting part and the lower connecting part. According to the scheme, the motor is adopted to drive the threads to be screwed in and screwed out, the structure stability under normal conditions can be guaranteed, rapid triggering under emergency conditions can be guaranteed, and the recovery process is easy to operate.

The utility model relates to cable detection technical field especially relates to a kind of signal cable on-off detector, including detector one and detector two, detector one and detector two all include detection circuit, detection circuit includes detection circuit A, detection circuit B, detection circuit B is connected with detection circuit A by detection terminal, one end of the cable to be measured is connected with detector one by detection terminal one, the other end of the cable to be measured is connected with detector two by detection terminal two.The utility model has the advantages that: one end of signal cable is connected with detector one through cable connector, the other end of signal cable is connected with detector two through cable connector, detection personnel can operate detection switch on closed detector, detection result of the cable to be measured is displayed through indicator light, single long distance cable detection can be realized, detection personnel does not need to run back and forth between the two ends of cable or multiple cooperative operation, and detection efficiency is improved.

The application relates to the field of power grid stabilization, in particular to a system and method for improving the power supply reliability and power quality of a low-voltage distribution network, which comprises a first fast switching switch connected in series to a low-voltage power supply line and located upstream of a load, a battery energy storage device and a power generation device connected in parallel to the low-voltage power supply line downstream of the first fast switching switch. The first fast switching switch and a second fast switching switch can realize the rapid connection and disconnection of the power supply, the battery energy storage device can realize the short-term power supply of the power grid and the balance of the reactive current, three-phase unbalanced current and harmonic current, and the power generation device can realize the long-term power supply of the power grid, so that the entire circuit can stably operate whether the power supply is short-term or long-term.

The utility model discloses a zinc smoke blocking air curtain device for a hot galvanizing hanger, and relates to the technical field of hot galvanizing. Comprising a hanger body and an air curtain generation mechanism, the air curtain generating mechanism is composed of an air inlet, a pipeline locking valve, an air main pipe, air branch pipes, air outlets and a guide opening, the pipeline locking valve is connected with an external compressed air pipeline, the tail end of the air main pipe is connected with the two air branch pipes, the air branch pipes are hollow square pipes, and the air outlets are evenly formed in the air branch pipes in the length direction. And a guide port forming a 60-degree included angle with the horizontal plane is welded outside the air outlet. The hanger body comprises a cross beam, a longitudinal beam, a hook and a lifting lug, and the air curtain generating mechanism is welded to the cross beam of the hanger. Compressed air is sprayed out from the guide port through the branch pipe to form a directional air curtain, and zinc smoke is inhibited from rising and guided to the edge of the zinc pot. Through the integrated design of the hanging tool and the air curtain mechanism, the problems that a traditional exhaust fume collecting hood is high in power consumption and insufficient in coverage are solved, and the exhaust fume collecting hood has the advantages of being high in fume blocking efficiency and convenient to disassemble and assemble and is suitable for hot galvanizing zinc fume treatment.

The utility model discloses an outer card formula quick coupling and interface subassembly, this outer card formula quick coupling includes the joint pipe and the unlocking ring, the end of joint pipe front end is equipped with the annular card station of the end outer periphery, the claw arm of the joint pipe front end is arranged in the circumference interval of the annular card station outward and is provided with a plurality of forward extension, the inside of the front of each claw arm is equipped with the lock bolt that can stretch out or retract to the inner wall of the claw arm outside the inner wall of the claw arm, and the elastic member for keeping the lock bolt stretches out the inner wall of the claw arm, the inside of the lock bolt leans the inclined plane and is equipped with the guide inclined plane, the unlocking ring is equipped with the rear of the annular card station and is slidably sleeved in the joint pipe outside. The utility model can realize the quick connection and disassembly of the water hose interface, and does not need to distinguish and select the male joint, female joint when using.

The utility model relates to circuit on, switch technical field provides a kind of flat snap type double-contact travel switch, comprising: shell is equipped with mounting cavity, and middle part is equipped with the through-hole being linked with mounting cavity;Base is buckled in the bottom of shell;Button is worn in the through-hole, side wall is sealedly connected with the inner wall of through-hole, bottom is supported on base by spring;Static contact piece group, symmetrically and fixedly set in the mounting cavity of both sides of through-hole;Dynamic contact piece group, symmetrically and fixedly set in the bottom of button, with button axial reciprocating movement, prompting dynamic contact on dynamic contact piece group respectively with static contact piece on static contact piece group contact and disconnect, realize the on-off of circuit.According to the scheme of the utility model, when pressing button, compression spring, dynamic contact piece group moves downward, dynamic contact and static contact piece disconnect, travel switch circuit breaker, when the pressure of button is removed, the restoring force provided by spring, dynamic contact piece group moves upward with button axial, contact with static contact piece group, realize the connection of circuit.

The application relates to the field of die-casting molds, in particular to a three-plate two-stage runner die-casting mold and method, which comprises a static mold plate, a middle plate is movably arranged on the left side of the static mold plate, a movable mold plate is arranged on the left side of the middle plate and matched with the middle plate, a runner groove is arranged on the right side of the middle plate, and a runner sleeve matched with the runner groove is fixedly connected to the middle part of the static mold plate. The three-plate two-stage runner die-casting mold is used in cooperation with a material handle limiting mechanism and an adjusting mechanism, in the mold opening process, a small-angle deflection of a limiting ring and a positioning rod is generated through cooperation of a driving lever and a wedge-shaped plate inclined surface, the material handle is subjected to a circumferential torsion force while bearing axial stretching, the runner neck is neatly and quickly disconnected, tearing of the runner, deformation or strain of the product caused by simple axial pulling is avoided, the product breakage is smooth and the contour is complete, and therefore the appearance quality and the structural strength of the product are effectively improved.

A module switching mechanism comprises a frame, a rotating shaft, an operating shaft, an actuating member arranged at the bottom of the operating shaft and configured to drive the rotating shaft, at least one spring arranged between the actuating member and the frame, and a pressing member symmetrically arranged at both sides of the rotating shaft and provided with a bayonet at the side facing the rotating shaft, wherein a double torsion spring is arranged between the rotating shaft and the pressing member, the straight arm of the double torsion spring is fixedly connected with the rotating shaft, the middle section is clamped in the bayonet, and the double torsion spring provides force for the rotating shaft to accelerate the transition from the first position to the second position. The operating shaft drives the actuating member and the rotating shaft to rotate, the over-center spring of the actuating member maintains the on state, when the artificial operation is disconnected, the actuating member is slightly rotated to reset the spring, the actuating member is accelerated to rotate, the actuating member touches the rotating shaft, and the double torsion spring originally compressed by the rotating shaft is reset, thereby accelerating the movement to the second position, and the disconnection is faster.

This utility model relates to the technical field of construction auxiliary materials, specifically to a quick-connect and disconnectable keel frame. The keel frame includes keel rods, connecting plates, fixing components, and connecting extension plates. The operator first slides the connecting plate with the fixing component into the end of the keel rod, then uses the fixing component to clamp and fix the connecting plate to the keel rod. The other end of the connecting plate is then fixed in the same way, thus extending and connecting the keel rods. Furthermore, if there is a need to connect keel rods in the middle, a connecting extension plate can be added to the middle of the connecting plate. The above method enables quick-connection in the middle. This device has a simple structure and effectively utilizes a threaded clamping structure to extend the keel rods and achieve middle overlap, exhibiting good practicality and economy, which is beneficial for the promotion and use of the equipment.

The utility model relates to the technical field of speed reducer accessories discloses a speed reducer lubricating oil extracorporal circulation cooling structure, including the heat dissipation box and the fin of installation in heat dissipation box, still include quick -detach assembly and quick -change subassembly, quick -detach assembly includes the V -shaped guide column and guide block for orientation positioning, and is used for the bolt and screw column of detachable locking, quick -change subassembly includes the first joint with ball and card slot, and the connecting block with the slide slot of the ball sliding of card slot and the convex edge cooperation, and the quick -detach assembly realizes quick -detach assembly and separates through the mode of rotary clamping. The utility model discloses the design through above -mentioned quick -detach and quick -change structure, has realized the quick assembly and disassembly of fin and oil pipe, has greatly simplified the cleaning and replacement process, has improved the maintenance efficiency of equipment significantly, and the overall structure is reliable, and the operation is convenient, has very high practical value.

The utility model relates to a water supply pipeline for a pump room. The water supply pipeline comprises a water inlet pipe, a filter pipe, a shunt pipe and a water outlet pipe which are detachably connected in sequence, a filter basket and a cleaning assembly for cleaning the filter basket are arranged in the filter pipe; the shunt pipe comprises a maintenance pipe and a disinfection pipe, the maintenance pipe and the disinfection pipe are respectively provided with a first control valve and a second control valve, and the disinfection pipe is provided with an ultraviolet disinfector; a plurality of water receiving pipes are connected to the water outlet pipe, and a water pump and a check valve are sequentially arranged on each water receiving pipe in the direction away from the water outlet pipe. The ultraviolet sterilizer has the functions of filtering and sterilizing, the water quality can be further improved, and when the ultraviolet sterilizer needs to be overhauled, the first control valve can be in an open state, the second control valve can be in a closed state, and water flows through the overhauling pipe, so that normal water supply can be ensured during overhauling, and the water consumption of residents cannot be influenced.