77results about How to "Open fast" patented technology

The invention discloses a bidirectional silicon controlled rectifier overvoltage protection circuit and a solid-state circuit breaker, and belongs to the technical field of power electronics, the overvoltage protection circuit comprises a bidirectional silicon controlled rectifier, a driving circuit of the bidirectional silicon controlled rectifier and a piezoresistor, the driving circuit comprises a driving resistor and a driving capacitor, and the driving resistor and the driving capacitor are connected in series. The other end of the driving capacitor is connected with the gate pole of the bidirectional silicon controlled rectifier, the other end of the driving resistor is connected with the piezoresistor, and the other end of the piezoresistor is connected with the first power end of the bidirectional silicon controlled rectifier. According to the scheme, low-cost, small-size, low-clamp-voltage and low-bus-voltage-difference overvoltage protection can be realized for the solid-state circuit breaker.

The invention provides a page display method and device, equipment and a storage medium, and the method comprises the steps: responding to a starting operation of a target application program, and creating a page rendering container; obtaining a static resource of the target application page from a server, wherein the server predetermines the static resource; loading and pre-rendering static resources of the target application page according to the page rendering container to obtain a page static template of the target application page; and in response to a jump operation for the target application page, displaying the target application page according to the page static template. The page opening speed is increased, the page display delay is reduced, and the user experience is improved.

The invention discloses a charge pump booster circuit, relates to the technical field of brush motors, and aims to solve the problem of low boosting efficiency of a built-in charge pump booster circuit in a brush motor in the prior art. The charge pump boost circuit comprises a logic control module, a current source module, a driving module and a boost module. The current source module is used for providing stable voltage for the driving module; the driving module at least comprises a pull-up PMOS tube; the logic control module is used for generating two non-overlapped clock signals based on an input clock source, and generating a first switching signal and a second switching signal based on the two non-overlapped clock signals; the two non-overlapped clock signals comprise a first clock signal and a second clock signal; and the logic control module is used for jointly controlling the switch of the driving module based on the two non-overlapped clock signals, the first switch signal and the second switch signal, so that the driving module drives the boosting module to output a target voltage by utilizing the pull-up PMOS tube. Therefore, the boosting efficiency can be improved.

The invention belongs to the related field of pneumatic control technology, and discloses an ultrahigh-pressure large-drift-diameter quick-opening control device which comprises a main valve, a pressure starting valve and a proportional pressure reducing valve, the main valve is pressed and fixed by a pressure-bearing end cover and comprises a main valve body, a main valve element, a main valve spring, a lining and the like, and an inlet cavity, a control cavity and a back pressure cavity are machined in the main valve; the pressure starting valve and the proportional pressure reducing valve are integrally inserted into an upper inner cavity and a lower inner cavity of the main valve element respectively, and meanwhile different flow channels are machined between the inlet cavity and the proportional pressure reducing valve, between the proportional pressure reducing valve and the back pressure cavity, between the inlet cavity and the pressure starting valve and between the pressure starting valve and the control cavity respectively. By means of the valve, reliable sealing can be achieved before the gas inlet pressure is lower than the set opening pressure, automatic and rapid opening and releasing of ultrahigh pressure gas can be achieved when the set pressure is reached, and meanwhile the requirements for multiple performance indexes such as ultrahigh pressure resistance (350 MPa), large drift diameter (DN85) and rapid opening action (5 ms) are met.

Provided is a flow path control device which includes a fourth on-off valve 304 for opening or closing a fourth communication path through which oil flows from a jack chamber to a reservoir chamber, a third on-off valve 303 which controls the opening and closing of the fourth on-off valve 304 by transiting between a first state in which the fourth on-off valve 304 is moved to a position where the fourth communication path is closed and a second state in which the fourth on-off valve 304 is moved to a position where the fourth communication path is opened, and a push rod 316 which includes a push rod main body 316a of which one end is pressed and moved to the other side and the other end causes the third on-off valve 303 to transition from the first state to the second state and a washer 700 which protrudes radially outward of the push rod main body 316a from an outer peripheral surface of the push rod main body 316a so as to receive pressure of oil flowing from the jack chamber to the reservoir chamber.

The utility model discloses a transmission device of sliding door, including upper slide rail, lower slide and door board, two track slide grooves are seted up in the inside of upper slide rail, and the inside top wall of two track slide grooves all is provided with slide rail strip, and the both sides outer wall of slide rail strip is slidingly inserted to have sliding seat, and the both sides of bearing pulley of sliding seat inside are provided with several, and bearing pulley is close to the both sides of slide rail strip, and the bottom of sliding seat inside is provided with fixed plate, and the bottom of sliding seat inside is provided with rack groove no.

The invention provides a silicon carbide floating junction structure for improving switching characteristics along a slope terminal P channel, and relates to the technical field of semiconductor power devices. Comprising an N-type drift region formed on an N-type substrate; the plurality of first P-type floating junctions, the plurality of second P-type floating junctions and the plurality of P-type doped regions are all formed in the middle region of the N-type drift region, are arranged at intervals and are respectively and oppositely arranged up and down; the first P-type floating junction transition region is formed in the N-type drift region and surrounds the plurality of first P-type floating junctions; the second P-type floating junction transition region is formed in the N-type drift region and surrounds the plurality of second P-type floating junctions; the P-type transition region is formed in the N-type drift region and surrounds the plurality of P-type doped regions; and the inclined plane terminal P channels are formed on inclined planes at two ends of the N-type drift region, inclined planes at two ends of the first P-type floating junction transition region, inclined planes at two ends of the second P-type floating junction transition region and two ends of the P-type transition region. Therefore, the switching characteristic is relatively good, the process cost is relatively low, and the time cost is relatively low.

The invention provides a display panel and a display device. A pixel circuit of the display panel comprises a driving transistor, a data writing module and a threshold grabbing module. The first end of the data writing module is electrically connected with a data signal line, and the second end of the data writing module is electrically connected with the first end of the driving transistor; the first end of the threshold grabbing module is electrically connected with the second end of the driving transistor, and the second end of the threshold grabbing module is electrically connected with the first grid electrode of the driving transistor; a second grid electrode of the driving transistor is electrically connected with the grid voltage control line, and a film layer where the second grid electrode of the driving transistor is located is located between the active layer and the substrate. Wherein in the data writing stage, the time-varying signal transmitted by the grid voltage control line is a high-level signal; in the light emitting stage, the time-varying signal transmitted by the grid voltage control line is a low-level signal. According to the scheme, the display abnormity phenomenon can be weakened or eliminated from the two aspects of improving the data signal writing efficiency and enhancing the output stability of the light-emitting driving current.

Embodiments of the present application relate to a semiconductor structure and a preparation method thereof. The semiconductor structure comprises: a substrate, a trench is formed in the substrate; a conductive layer is located in the trench, the conductive layer comprises a first conductive layer and a second conductive layer, the second conductive layer is located on the first conductive layer, and a projection area of a bottom of the second conductive layer in the trench is greater than a projection area of a top of the first conductive layer in the trench; a dielectric layer is located between the conductive layer and an inner wall of the trench, and a top of the dielectric layer is lower than a top of the first conductive layer; an isolation layer is located on the conductive layer; and a gap is enclosed by the isolation layer, the conductive layer, the dielectric layer and a side wall of the trench. A work function of the first conductive layer is greater than a work function of the second conductive layer. The opening speed of the transistor is improved, the gate-induced drain leakage current of the semiconductor structure is reduced, the reliability of the semiconductor structure is improved, and the power consumption of the semiconductor structure is reduced.

The utility model discloses a manual and automatic integrated maintenance door for a main push box body of an industrial kiln. The manual and automatic integrated maintenance door comprises a door plate, a door frame, a door cover and a door plate control mechanism, the door cover is installed on the box body right above the door frame, the door plate control mechanism is installed on the door cover, the door plate control mechanism comprises a lifting screw rod, a driving motor and a stroke control structure, a screw rod through hole is formed in the top of the door cover, a sealing ring is installed in the screw rod through hole, and the door plate control mechanism is installed on the door cover. A directional threaded sleeve is rotatably mounted in the sealing ring, a hand wheel, a driven wheel and a pressing cap are sequentially and fixedly mounted on a pipe body above the sealing ring, the lifting screw penetrates through the directional threaded sleeve and then is connected with the door plate, a driving motor is further mounted at the top of the door cover, and the power output end of the driving motor is connected with a driving wheel. The driving wheel and the driven wheel are connected through a belt. By means of the mode, the door plate can be controlled in a manual mode and an electric mode at the same time, and the door opening speed is increased.

The present invention relates to a side delivery and pickup structure of an automatic vending machine, wherein multiple layers of cargo bins are arranged vertically from top to bottom in a cargo bin chamber, and a swing mechanism is arranged on the inner wall surface of any side of the cargo bin chamber, and when the swing mechanism swings, the pickup bin arranged at the end thereof can be moved to the delivery position at the front end of any cargo bin. In the present invention, the pickup method and the pickup door structure are improved, wherein the improvement of the pickup method can improve production efficiency, and the longitudinal length of the cargo bin and the box body can be flexibly set; the improvement of the pickup door structure can facilitate the removal of goods, increase the number of layers of the cargo bin, and save electric energy.

The utility model relates to an opening device and a vehicle, the opening device is used for a trunk lid of the vehicle, the opening device comprises at least one supporting arm, the first end of the supporting arm is rotatably connected to a base body of the vehicle, and the second end of the supporting arm is used for being connected to the trunk lid; the force applying piece is connected to the at least one supporting arm and the base body, and the force applying piece provides opening force used for opening the trunk lid through the at least one supporting arm through self deformation; and the adjusting mechanism comprises an adjusting piece connected to the force applying piece, and the adjusting piece is movably arranged and used for adjusting the deformation degree of the force applying piece so as to change the opening force. According to the opening device, stepless adjustment of the opening force of the trunk lid can be achieved.

A low-resistance check valve. The invention relates to a check valve, and in particular to an improvement on the check valve structure in the prior art. A low-resistance check valve with rapid opening and closing response and low movement resistance is provided. The valve seat and the valve flap arranged on the valve seat are included, the valve flap is reset by a reset mechanism arranged on the valve seat, and a torque mechanism for accelerating the opening and closing of the valve flap is arranged between the valve flap and the valve seat. The present invention utilizes a torque mechanism to accelerate the closing speed of the check valve, that is, the torque mechanism can assist the original reset mechanism when the check valve is closed, so that the closing speed is faster, that is, the closing response speed of the check valve is faster. When water comes, the check valve opens, and the transmission force arm is driven by the water pressure through the roller arranged at one end to cause the roller to slide along the side wall, thereby reducing the resistance when opening, so that the resistance of the check valve is reduced when opening, and the opening speed is faster and the time is shorter, that is, the response speed of the check valve is improved.

The present application discloses a page display method and device based on mirroring, a storage medium, and a computer device, the method comprising: in response to a display request for a target page in an application, obtaining a page identifier of the target page and a request service identifier corresponding to the display request; generating mirror query information of the target page based on the page identifier, and querying a page image matching the page identifier in the mirror cache of the application, wherein the page image includes a UI layout file image; rendering the target page at the UI layer based on the UI layout file image, and synchronously pulling the first service data corresponding to the request service identifier, and filling the first service data into the rendered UI layer. This method helps to improve page rendering speed, speed up page opening speed, reduce user waiting time, and improve user experience.

The present application relates to an output terminal protection structure (300), a battery, and an electric device. The output terminal protection structure (300) comprises: an output terminal base (31) having a mounting face; a protective cover (32), which is mounted on the output terminal base (31), the protective cover (32) being rotatable relative to the output terminal base (31), so as to switch between an open state in which the mounting face is exposed and a closed state in which the mounting face is shielded; and a reset member (33), which is mounted on the output terminal base (31), the reset member (33) being configured to apply an acting force to the protective cover (32) to switch same from the open state to the closed state. Due to the provision of the reset member (33), an operator does not need to manually close the protective cover (32) after the operation is completed, and the protective cover (32) can automatically restore to the closed state under the action of resetting of the reset member (33), thereby avoiding potential safety hazards caused by the exposure of components such as an output terminal connecting sheet.

The utility model relates to the technical field of test button devices, in particular to a double-breakpoint test button device. According to the technical scheme, the device comprises an upper cover and a lower cover, and further comprises a middle cover fixedly installed between the upper cover and the lower cover, a first conductive loop installed in the upper cavity, a second conductive loop installed in the lower cavity and a test button assembly, and the middle cover divides the space between the upper cover and the lower cover into an upper cavity and a lower cavity. The test button assembly is movably installed on the lower cover, and the operating mechanism is movably installed on the lower cover. According to the utility model, the circuit breaker can be switched on only when the test button is pressed when the circuit breaker is switched on, thereby improving the safety performance. And the pressure of the contacts at the two ends is uniform and balanced under the control of the same operating mechanism, so that the problem of non-uniform pressure distribution of the contacts at the two ends of a double-breakpoint of a single contact is avoided, and the problem that the loss of the two moving contacts is different and uncontrollable is avoided.

The invention discloses a high-start low-maintenance electromagnetic valve control system which is characterized in that an upper computer outputs a control signal to a high-start low-maintenance control box, the high-start low-maintenance control box outputs to open electromagnetic valves, and three paths of identical control systems are arranged in the high-start low-maintenance control box and can control three groups of electromagnetic valves to act; the control system comprises a bipolar power supply, a Hall sensor, a solid-state relay, an aviation plug, a release loop, a slide rail connector bar and a diode; the bipolar power supply supplies power to the Hall sensor, high and low voltage anodes are connected with output anodes of the two solid-state relays through the sliding rail connector bar, output cathodes of the solid-state relays are connected with anodes of the diodes, and cathodes of the diodes are connected to input anodes of the Hall sensor. According to the invention, the working efficiency and the control precision of the electromagnetic valve in the hot test run test process are improved, and the release loop is connected in parallel to the output of the electromagnetic valve and the input positive electrode of the Hall sensor.

The utility model discloses a segmented opening type automobile side door hinge structure. The segmented opening type automobile side door hinge structure comprises an automobile side door, a segmented resistance device is fixedly installed on the automobile side door, the segmented resistance device comprises limiting blocks, the limiting blocks are arranged at the upper end and the lower end of the segmented resistance device, through holes are formed in the limiting blocks, and guide columns penetrate through the through holes; the opening angle of the automobile side door can be effectively controlled, the automobile side door can be subjected to proper resistance and resilience force in the opening process through the coordination effect of the segmented resistor and the resistance spring, and therefore accurate control over the opening angle of the side door is achieved. The situation that the vehicle door of a vehicle parked beside or other obstacles are collided due to the fact that the opening angle of the side door of the vehicle is too large can be effectively avoided.

The utility model discloses a kind of gun sighting telescope magnetic attraction ejection cap, comprising: ejection cap main body and lens sleeve, the ejection cap main body and lens sleeve are hinged, lens sleeve is fixedly connected at the end of sighting telescope, ejection cap main body and lens sleeve hinge place are equipped with elastic hinged structure, magnetic attraction stabilizing structure is equipped between ejection cap main body and lens sleeve, magnetic attraction ejection cap structure is equipped between ejection cap main body and lens sleeve.The utility model improves the opening speed of ejection cap main body;Make ejection cap main body keep fixed after keeping open and be adhered on lens sleeve, reduce the probability that ejection cap main body opens and other objects collide;It is easy to operate, and will not produce abrasion, and service life is longer;Elastic clamp piece is hingedly connected on the lens of sighting telescope using its material deformation, to be quickly installed or disassembled lens sleeve on sighting telescope.

The present invention provides an explosion-proof valve and explosion-proof device, which relate to the technical field of safety components. The explosion-proof valve includes a valve seat, a connecting rod, a pressure-bearing bracket, a valve core, a connecting piece and an elastic piece; the valve seat is connected to the pressure-bearing bracket by the connecting rod; the valve core is arranged on the side of the valve seat close to the pressure-bearing bracket, and the valve core and the pressure-bearing bracket are connected by the connecting piece, so that a cavity is formed inside them; the elastic piece is arranged in the cavity, and the elastic piece makes the valve core always have a tendency to abut against the valve seat; a channel is provided on the valve core, and the channel is used to connect the cavity with the protected container. The explosion-proof device includes the above-mentioned explosion-proof valve. The explosion-proof valve of the present invention is opened by the pressure difference generated by the rapid increase of pressure, which effectively shortens the time for the valve core to open, reduces the risk of using the explosion-proof valve, and can further increase the opening speed of the valve core.

The utility model relates to the technical field of smoke exhaust windows, in particular to a quick electric smoke exhaust window opening device which comprises a smoke exhaust window frame. A first smoke exhaust window and a second smoke exhaust window are arranged in the smoke exhaust window frame body; wherein the first smoke exhaust window is fixedly mounted in the smoke exhaust window frame body, and the second smoke exhaust window is movably mounted in the smoke exhaust window frame body through guide rails mounted at the inner bottom and the inner top of the smoke exhaust window frame body; an embedding groove is formed in the front end of the smoke exhaust window frame body, a motor is installed in the embedding groove in an embedded mode, and a gear is fixed to the output end of the motor. A rack meshed with the gear is fixed at the front end of the second smoke exhaust window; a controller is mounted at the bottom of the motor; the second smoke exhaust fan adopts an automatic opening mode, manual operation is not needed, operation is convenient, the opening speed is high, and existing requirements can be met.

The utility model discloses a valve cover and contain its electromagnetic pulse valve, the valve cover includes valve cover body, the upper surface of valve cover body has the exhaust pipe outside, the exhaust pipe is used for discharging the air of valve cover chamber of electromagnetic pulse valve, the bottom of exhaust pipe with valve cover chamber is linked together, and the top of exhaust pipe constructs and has the exhaust outlet, to export the compressed air in valve cover chamber. Through separating exhaust pipe and valve cover body, the exhaust pipe is external on valve cover body, thus, the section area of exhaust passage increases, and the angle of exhaust passage is reduced, and the exhaust resistance is reduced, can effectively promote the output pressure rising rate of electromagnetic pulse valve.

A high-voltage direct-current magnetic latching relay with sensitive response, comprising a static contact point leading-out end, a movable reed, a push rod component and a direct-acting magnetic latching magnetic circuit structure, wherein the direct-acting magnetic latching magnetic circuit structure comprises a movable iron core, a coil, a static iron core, a yoke iron plate, a yoke iron cylinder and latching magnetic steel, the yoke iron cylinder being arranged below the yoke iron plate, the coil being arranged in the yoke iron cylinder, the coil being provided with an iron core hole in a vertical direction, the static iron core being arranged in the iron core hole and located at the bottom end of the iron core hole, the movable iron core being arranged in the iron core hole and located between the yoke iron plate and the static iron core, the latching magnetic steel being mounted between the yoke iron plate and the coil, the position of the latching magnetic steel corresponding to that of the movable iron core in the vertical direction, a first spring being provided between the movable iron core and the static iron core and being configured to allow for quick movement of the relay, and a second spring being provided between the movable iron core and the yoke iron plate and being configured to allow for quick disconnection of the relay.

The utility model provides a manual electric opening device for a natural ventilation smoke exhaust window, which relates to the technical field of smoke exhaust windows, and comprises a mounting rack and a driving component arranged on the side surface of the mounting rack, a transmission component is arranged on one side, far away from the driving component, of the mounting rack, and the transmission component comprises a mounting plate arranged in an inner cavity of the mounting rack; a filling groove is formed in the side face of the mounting plate, a limiting frame is fixedly connected to an inner cavity of the filling groove, a lantern ring is arranged in an inner cavity of the limiting frame, the bottom of the telescopic rod is connected with a driving component through a lead screw, and the smoke exhaust window is mounted on the side face of the mounting frame, so that indoor smoke can be exhausted; the smoke exhaust window can be controlled to be opened and closed through the electric component, and when a fire occurs and power failure is caused, the g position of the lantern ring can be fixed through cooperation of a mounting plate mounted on the side, away from the driving component, of the mounting frame and a limiting frame.

The embodiment of the invention provides a control method and device for remotely driving a loading machine and a medium. The control method comprises the steps that the current hydraulic oil temperature of a pilot electromagnetic valve is obtained; when the current hydraulic oil temperature is lower than a first threshold value, heating current is output to a pilot electromagnetic valve, the heating current is smaller than first current, the first current is used for driving the pilot electromagnetic valve to be opened by a first opening degree, and the pressure of the released hydraulic oil corresponds to a valve opening pressure value for driving a multi-way valve to be opened; and after the control signal of the remote control end is received, the output of the heating current to the pilot electromagnetic valve is stopped, and the instantaneous step current is output to the pilot electromagnetic valve, so that the pilot electromagnetic valve can shorten the time of entering the working state under the conditions that the temperature is lower than a second threshold value and the control signal is received, and the working efficiency is improved. Therefore, according to the control method, additional operators do not need to heat the hydraulic oil at the pilot electromagnetic valve, the pilot electromagnetic valve can be automatically heated before the pilot electromagnetic valve works, and the opening speed of the pilot electromagnetic valve is increased.

The present invention discloses an automatic feeding assembly for a mixer, including a mixer, a base is installed at the bottom of the mixer, a hopper is fixedly connected to the top of the base through legs, and a feeding tray is connected to the side of the hopper close to the mixer. The present invention relates to the technical field of mixers. The automatic feeding assembly for the mixer can detect the weight and color of the material monomer through the cooperation between the guide plate, the material dividing wheel, the weighing plate, the first sensor and the material removal plate, and judge whether it meets the production requirements. If it does not meet the requirements, it can be removed through the material removal port, and a second sensor and a second material removal port are set to ensure that the removal of waste materials is effective, and ensure that the raw materials entering the mixer can meet the production requirements in weight and color. Of course, by replacing different first sensors, other properties of the raw materials can also be detected to ensure that the raw materials entering the mixer meet the production requirements, which is beneficial to subsequent production and processing.

The utility model discloses a self-tightening type sealing quick-opening structure used under high pressure, which comprises a barrel end part (1), a top cover (2), a pressure pad (3), a pressure ring (4), a triple ring (5) and a restraining ring (6), a restraining bolt (7) is screwed into the top cover (2) through the restraining ring (6), and in a pre-tightening state, the restraining bolt (7) enables pre-tightening sealing force to be generated among the pressure pad (3), the pressure ring (4), the top cover (2) and the barrel end part (1); when the internal pressure acts, the top cover (2) is jacked upwards to form self-tightening sealing; a safety interlocking device is further arranged. The quick-opening device is free of main bolt connection, the opening speed is high, and the pressure pad can be used repeatedly; under the condition of temperature and pressure fluctuation, the sealing performance is good, the reliability is high, and the use performance is good under high pressure; and each component is simple in structure, can be manufactured into a template according to the design size, can be produced in batches, and is easy to popularize and use.

The present invention provides a modular suspended combined pressure relief valve. The pressure relief valve comprises: a valve seat, a valve shell and at least one pair of suspended modular action valve body units; wherein the valve shell is arranged on the valve seat and encloses a valve cavity, each suspended modular action valve body unit is placed in the valve cavity, two suspended modular action valve body units in each pair are arranged relatively, and each pair of suspended modular action valve body units are arranged in sequence on the valve seat in a straight line. The present invention forms a large-caliber pressure relief valve by combining modular suspended modular action valve body units in an array. The suspended modular action valve body unit has a small area, a fast opening speed, a fast initial discharge curtain area growth rate, a small mutual influence of the fluid discharged from each nozzle, and a small overall discharge resistance, thereby solving the problem that the existing linear opening pressure relief valve has a reduced response speed as the caliber increases, making it difficult to meet the large-caliber discharge requirements on the converter oil tank.

This utility model provides a linkage transmission mechanism for a waste sorting bin, including an outer box. The inner wall of the outer box has a first movable groove, and the second movable groove extends through to the outer surface of the outer box. A linkage assembly and a lifting assembly are located inside the first movable groove. A set of guide grooves are formed on the inner wall of the outer box. An inner box is fixedly connected to the inner wall of the outer box, and a bin lid is rotatably connected to the top of the outer box. This utility model, through the linkage design in the linkage assembly, can drive the lifting assembly to move upwards quickly. The rapidly moving lifting assembly quickly converts the stepping stroke in the linkage assembly into the power for the rapid flipping of the bin lid, significantly improving the opening speed of the bin lid. The coordinated use of the linkage assembly and the lifting assembly effectively solves the response lag problem in high-frequency disposal scenarios, shortens user waiting time, and optimizes the waste disposal experience.