13results about How to "Reduce reset time" patented technology

The invention provides a shift register, a driving method thereof and a gate driving circuit, relates to the technical field of display, and aims to solve the problem of Mura risk caused by difference between pixel light-emitting time and charging time due to slow reset speed of a gate driving signal output end of the shift register. The shift register comprises a coupling node, a control node, a first output node, a first output circuit and a first coupling control circuit, the first output circuit is used for controlling the connection or disconnection of the electric connection between the first first level signal input end and the gate driving signal output end under the control of the potential of the first output node; the first coupling control circuit is used for controlling the connection or disconnection of the electric connection between the coupling node and the clock signal input end under the control of the potential of the control node; the potential of the first output node is controlled according to the potential of the coupling node.

The utility model belongs to the technical field of perforating equipment, concretely relates to a continuous puncher, including base, axle pin, tool holder, spring, cutter core group and gland, the middle part fixed mounting of base is tool holder, the middle part of tool holder is provided with the cutter core group of slidable, be provided with spring between cutter core group with tool holder, spring is used for the reset of cutter core group after the punch of tool holder on tool holder, the gland is covered with on tool holder, it is connected through axle pin rotation between the gland with tool holder. The utility model discloses through spring as reset piece, can drive cutter core group to rebound after punching, greatly shorten reset time, improve continuous punch efficiency, the cooperation of positioning column and the pre -hole cooperation of the piece to be punched, combine the limiting notched of tool holder, realize the double positioning of the piece to be punched, avoid the punch position deviation.

The invention discloses a reset circuit, which comprises a power supply unit, a switch unit and a control unit, and is characterized in that the power supply unit is connected between a first output pin and a second output pin of a transformer; the switch unit is connected between the power supply unit and the wireless transmission unit, the switch unit comprises an MOS tube, the MOS tube is connected with a second output pin of the transformer and a reference voltage, and the wireless transmission unit is connected with the reference voltage; the control unit is connected among the first output pin of the transformer, the control end of the MOS tube and the second output pin of the transformer; when the first output pin of the transformer stops working, the control unit generates a low level signal to disconnect the power supply unit and the wireless transmission unit; when the first output pin of the transformer works normally, the control unit generates a high level signal to conduct the connection between the power supply unit and the wireless transmission unit. According to the reset circuit, the wireless transmission unit is rapidly reset through the MOS tube, and the reset time is shortened.

The invention provides a control method and device for an air guide mechanism of an air conditioner, electronic equipment and a storage medium, and relates to the technical field of air conditioner control. Comprising the steps that the current corresponding initial moving position and target moving position of an air conditioner air guide mechanism are obtained, and the air guide mechanism comprises a push-out rod and an air guide plate; determining an included angle between the target moving position and a plurality of reference positions; determining the reference position with the minimum included angle with the target moving position in the reference positions as a target reference position; based on the initial moving position and the target moving position, the corresponding moving speed proportion of the push-out rod and the air guide plate is determined; and controlling the air guide mechanism to move based on the moving speed proportion and / or the target reference position. Therefore, the push-out rod and the air guide plate can be reset by selecting the nearest reference position, the movement time and the reset time are shortened, and the user experience is improved.

The utility model discloses a calf track feeder resetting device which comprises a shell, the shell is connected to a sliding block, the shell is hinged to the sliding block through an optical axis A, the sliding block is arranged in a movable sliding way, and the end, facing the ground, of the shell is connected with a resetting assembly used for gravity resetting. The reset assembly comprises an optical axis B, the optical axis B is fixedly connected to the end, facing the ground, of the shell, the axis of the optical axis B and the axis of the shell are collinear, and a balance weight part is fixedly connected to the end, facing the ground, of the optical axis B; the weight or the gravity center position of the shell is changed through the reset assembly, so that the reset time of the shell after the shell is pushed to deflect under the same acting force is shortened, and the forward leaning amount of the head of the calf during eating is reduced.

A tamping operation mechanism automatic reset control system comprises a slewing center frame and a longitudinal beam fixedly mounted on a tamping vehicle chassis, wherein a first crossbeam and a second crossbeam are respectively fixedly connected to both ends of the longitudinal beam, and the left and right ends of the first crossbeam and the second crossbeam are respectively connected to a left tamping frame and a right tamping frame which can be laterally extended outward by a lateral displacement driving cylinder 1; the control system also comprises a left outer tamping unit and a left inner tamping unit which can be laterally displaced on the left tamping frame by a lateral displacement driving cylinder 2, and a right outer tamping unit and a right inner tamping unit which can be laterally displaced on the right tamping frame by a lateral displacement driving cylinder 3; a controller which can control the left outer tamping unit, the left inner tamping unit, the right outer tamping unit, the right inner tamping unit, the left tamping frame, the right tamping frame and the longitudinal beam reset according to the wire lengths of a plurality of proximity switches and wire displacement sensors; the control system saves time and avoids the safety risk of personnel intrusion.

The utility model discloses a scraper reset device and a prime coater, the scraper reset device comprises a scraper assembly, two scraper displacement assemblies, a scraper rotating assembly, a scraper lifting assembly and a PLC (programmable logic controller), the two scraper displacement assemblies are connected to two ends of a scraper, and the scraper rotating assembly is used for driving the scraper assembly to rotate; the scraper lifting assembly is used for driving the scraper rotating assembly, the scraper displacement assembly and the scraper assembly to ascend and descend synchronously. The PLC is used for controlling the first servo motor, the second servo motor and the third servo motor to operate. The prime coating machine comprises a micro gravure roller and wallboards arranged at the two ends of the micro gravure roller, and the scraper reset devices are installed on the wallboards. The operation of the servo motor is controlled through the PIC controller, so that the reset of the scraper is controlled, the labor intensity is reduced, and the reset efficiency of the scraper is improved.

The utility model relates to a mobile phone rear cover fixing table, which is used for fixing a mobile phone rear cover before processing, and comprises a table body, and a driving piece, an L-shaped frame and a top plate which are sequentially mounted on the table body from bottom to top, wherein the number of the L-shaped frames is two, the L-shaped frames are oppositely and symmetrically arranged, and the corners of the two L-shaped frames are rotationally connected with the table body; the opposite ends of the two L-shaped frames are connected with a driving piece correspondingly, and the other ends of the two L-shaped frames extend to the two sides of the top plate correspondingly. After the mobile phone rear cover is placed on the top plate before being machined, the driving piece is started to pull down the opposite ends of the two L-shaped frames to enable the two L-shaped frames to rotate on the table body, the other ends of the two L-shaped frames can be made to get close to the top plate at the same speed and amplitude, uniform force is applied to the mobile phone rear cover placed on the top plate, and therefore the mobile phone rear cover is automatically centered and clamped; therefore, the fixing positions of the mobile phone hook covers are the same, and accurate positioning with consistent height is realized.

The utility model discloses a kind of refrigerators of convenient maintenance, it is related to refrigerator technical field, including mounting plate and connecting plate, the upper surface of mounting plate is equipped with refrigeration compressor by connecting plate, the front and rear both sides of connecting plate are equidistantly installed with first tooth block, the front and rear both sides of mounting plate are installed with vertical plate, the opposite side of movable plate is equidistantly installed with second tooth block;The upper surface of mounting plate is equipped with wire harness limiting groove in left and right sides. The refrigerator of convenient maintenance, by the pre-positioning cooperation of positioning column and positioning hole, rotating threaded rod on vertical plate, drive movable plate to move along guide telescopic rod, make first tooth block and second tooth block staggered engagement, realize the quick locking and loosening of refrigeration compressor, dismounting and resetting time when repairing can be greatly shortened without complex tool;Meanwhile, engagement structure can be transverse and longitudinal limit to compressor, ensure installation stable.

The utility model relates to the technical field of geomembrane processing, and provides an automatic geomembrane roll material feeding and cutting device which comprises a cutting assembly and a driving assembly. The cutting assembly comprises a first air cylinder and a second air cylinder, a first tool apron and a second tool apron are fixedly installed at the output end of the first air cylinder and the output end of the second air cylinder correspondingly, and a first cutter and a second cutter are fixedly installed on the opposite sides of the first tool apron and the second tool apron correspondingly. One side of the first tool apron and one side of the second tool apron are fixedly connected with a guide block; the geomembrane cutting device has the advantages that the tool nose at the longitudinal lower end of the first cutter can directly pierce a geomembrane to form an initial crevasse, and notch deformation caused by uneven jacking force distribution is reduced; the inclined blade face of the second cutter is matched, the two cutters are driven by the two-way lead screw to synchronously cut off from the middle to the two sides, notch deformation caused by uneven distribution of initial jacking force of the blades is avoided, double-cutter cutting is adopted, the cutting stroke is only half of that of a single cutter, and the cutting-off and resetting time is remarkably shortened.

The invention discloses a fast resetting and locking method for a resonant optical gyroscope, the method comprising: when the actual frequency tuning amount of a tunable laser exceeds a set frequency resetting threshold value [f min ,f max ], the gyro enters the frequency reset state, and the frequency tuning amount changes f1 in the opposite direction of exceeding the threshold, and then continues to change with f2 as the step size, until the laser output frequency enters another positive feedback zone within the set frequency reset threshold range, and then the frequency tuning amount performs proportional feedback according to the demodulated output, and after the laser output frequency approaches the resonant frequency of the resonant cavity, the reset is completed and the stable closed-loop state is re-entered. The present invention greatly reduces the reset time, so that the resonant optical gyroscope can work effectively for a long time, and avoids the problem of long reset time caused by the limited step response of the laser in the traditional step reset technology.

The embodiment of the invention discloses a bus monitor for AXI-BUS read transactions. According to one specific embodiment, the master device bus monitor comprises an error signal generating device and an output gating device, the master device bus monitor is used for coupling a master device to a bus, and the bus comprises a read address channel and a read data channel; the error signal generation device is coupled to the read address channel and the read data channel, and generates a main equipment exception signal in response to obtaining a read transaction from the read address channel and not obtaining a response to the read transaction from the read data channel within a preset time period; the output gating device is coupled with the read address channel and the read data channel; the output gating device responds to the received bypass signal and outputs the read transaction; and in response to the received main equipment abnormal signal, outputting a false signal of the read transaction, so that bus transmission can be completed.

The present invention discloses an automated mechanical component processing fixture, comprising a fixture body, a guide plate and a motor, a pair of fixing frames are arranged on the bottom surface of the fixture body, a cavity is arranged in the fixture body, a buckle plate is arranged on the upper side of the cavity, a spring and multiple groups of clamping bodies are arranged in the cavity, and the clamping body comprises a sliding rod I and a sliding rod II sleeved on the outside of the sliding rod I. The beneficial effect of the present invention is that the device can independently clamp the processing parts in multiple directions, especially has a good clamping force for processing parts with grooves and irregular shapes, thereby improving the fixation of the processing parts as a whole.