26results about How to "Open fast" patented technology

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.

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 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.

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 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 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.

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 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 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.

The application belongs to the technical field of building construction, and discloses a door hole and a construction method for a heading machine to enter and exit a hole. The door hole comprises an outer sleeve and an inner sleeve. The outer sleeve is fixed on a reinforcement cage of an underground continuous wall, and the axial direction of the outer sleeve is arranged at an angle with the extension direction of the underground continuous wall. Both ends of the outer sleeve are exposed to the reinforcement cage, and a heading channel is arranged in the outer sleeve and penetrates the outer sleeve along the axial direction of the outer sleeve. The inner sleeve is arranged in the outer sleeve and is used for plugging the heading channel. The inner sleeve is detachably connected with the outer sleeve. The concrete of the underground continuous wall covers the outer sleeve and the inner sleeve. The door hole is preset on the underground continuous wall. Before the heading machine enters and exits the hole, the inner sleeve is removed, and the heading machine enters and exits the hole through the heading channel in the outer sleeve. Compared with the prior art, the door hole can quickly break the door hole when entering and exiting the hole, improves the construction efficiency, and reduces the safety risk.

The embodiment of the invention provides a method and equipment for optimizing a browser application program package. The method comprises the following steps: determining a function to be removed in an initial byte code binary package of a browser application program; adding an unreachable instruction to the to-be-removed function in the initial byte code binary packet to obtain a modified byte code binary packet; and cutting the modified byte code binary package according to an unreachable instruction to obtain a target byte code binary package of the browser application program. By removing the function to be removed from the initial byte code binary package of the browser application program, the size of the byte code binary package of the browser application program can be effectively reduced, the opening speed of the browser application program is increased, the use experience of the browser application program is improved, and the user experience of the browser application program is improved. And the user does not need to manually modify the source code of the browser application program, so that the labor cost is reduced.

This invention provides a GGNMOS electrostatic discharge (ESD) protection device and its fabrication method, comprising: a P-type substrate, an N-type buried layer, a first N-type deep well, a second N-type deep well, and a first P-type well; the first N-type deep well and the second N-type deep well are further provided with a first N+ injection region and a fourth N+ injection region; the first P-type well is provided with a P-type semiconductor substrate and a gate region, a source region, and a drain region of a first NMOS, wherein the drain region of the first NMOS is widened; the first N-type deep well, the second N-type deep well, and the first N+ injection region, the fourth N+ injection region, and the N-type buried layer constitute an N-type isolation band; the P-type semiconductor substrate is connected to the source region of the first NMOS and serves as the cathode of the device, and the drain region of the first NMOS is connected to the first N+ injection region and the fourth N+ injection region on the first N-type deep well and the second N-type deep well and serves as the anode of the device; the gate region of the first NMOS is located between the second N+ and third N+ injection regions; the gate region of the first NMOS is connected to a coupling circuit of a first PMOS, a capacitor C, and an inverter.

This invention relates to the field of railway vehicles and provides a full-width evacuation door system, including a door body, a door frame, a ladder, a first elastic element, a second elastic element, and a locking element. The door body is hinged to the top of the door frame, and the ladder is hinged to the bottom plate of the door frame. The first elastic element is installed between the door body and the ladder. When the door body is locked, the first elastic element restricts the position of the ladder; when unlocked, it pushes the door body to rotate outward. The second elastic element is installed between the ladder and the bottom plate to drive the ladder to rotate outward. When the door body is locked, the elastic force of the first elastic element is greater than that of the second elastic element; when the door body is open, the elastic force of the first elastic element is less than that of the second elastic element. This invention achieves synchronous and rapid automatic deployment of the ladder along with the door body through the linkage of the two elastic elements, requiring no additional power and significantly improving emergency evacuation efficiency and safety.

The present invention belongs to the technical field of quick-closing valve driving, and is particularly a quick-closing valve starting device with a quick-opening structure, comprising a housing, a spring and a first retaining ring, a supporting mechanism is arranged inside the housing, an oil return port is arranged on the left end surface of the housing, a sliding valve is arranged above the spring, a sealing mechanism is arranged above the first retaining ring, a push rod is fixed above the sealing mechanism, a cover body is installed above the push rod, a handle is arranged above the second screw, a holding mechanism is fixed above the screw, a quick-closing oil inlet is arranged above the oil return port, a starting oil port is arranged below the quick-closing oil outlet, and a throttling screw is installed behind the starting oil port. The quick-closing valve starting device with a quick-opening structure has strong overall firmness, will not easily have gaps that cause internal media to leak out, is easy to adjust, can safely open the quick-closing valve, has a fast opening speed for the quick-closing valve, and is convenient to use.

The utility model provides an automatic door opening mechanism of a dispenser, which relates to the technical field of door opening mechanisms and comprises a main box body, a propelling lug plate and a driving motor, the propelling lug plate is arranged on the upper portion of the main box body, the driving motor is arranged on the upper portion of the main box body, a tail nut is fixed at the tail end of the propelling lug plate, and the center of the tail nut is in threaded connection with a screw rod in a penetrating mode. A limiting plate is fixed to the head end of the screw, the tail end of the screw is fixedly connected with the polished rod, the limiting plate is fixedly connected with the head end of the outer corrugated protective sleeve, the head end of the pushing lug plate is rotationally connected with the door opening lug plate, and the polished rod and the tail nut slide in a penetrating mode. The tail nut is separated from the screw rod and moves to the polish rod, under the thrust of the gas spring telescopic cylinder, the tail nut rapidly moves along the polish rod, instant opening of the box door is achieved, and the problems that the screw rod or an electric telescopic rod or the like drives the box door to be opened at a constant speed, and the box door is slowly opened in the emergency rescue situation are solved.

The invention discloses a diode avalanche shaper based on multiple grooves and a floating junction and a preparation method of the diode avalanche shaper. The diode avalanche shaper comprises a SiC substrate, a SiC epitaxial layer, a groove region, a P + region, a floating junction region, a negative electrode and a positive electrode. Wherein the groove region is arranged on the surface layer of the SiC epitaxial layer and comprises a plurality of grooves which are uniformly distributed; the P + region extends downwards from the upper surface of the SiC epitaxial layer on the two sides of the trench region to the lower part of the trench region and forms a U-shaped structure; a plurality of convex structures are downwards formed at the bottom of the P + region; the floating junction region is arranged at the center line position in the SiC epitaxial layer and comprises a plurality of P + type floating junctions; the number of the P + type floating junctions is the same as the number of the grooves and the number of the bulge structures; and the plurality of P + type floating junctions are correspondingly arranged right below the plurality of grooves. According to the structural design, electric field distribution in the device can be more uniform, the range of delayed avalanche occurrence is extended, the device performance is improved, and a complex doping process is not needed.