48results about How to "Accurate open" patented technology

The invention relates to a shift register and a liquid crystal display device with the same. The liquid crystal display device comprises a liquid crystal panel and at least one scan drive circuit. Each scan drive circuit comprises a shift register. Each shift register comprises a plurality of shift register units. Each shift register unit receives two clock signals from an external circuit. Two adjacent shift register units receive opposing clock signals, and the front shift register unit outputs a signal serving a signal to be input into the rear shift register unit. Each shift register unit comprises a start circuit, a signal input circuit, a signal output circuit, and a control circuit. The signals output by the shift registers are uniform in low level. The liquid crystal display device with the shift register is more vivid and accurate in picture display.

The present invention provides a method and system for reducing the number of times of parking of motor vehicles at a crossing through adoption of a plane perception technology. The number of the motor vehicles entering at the upstream on each direction at the crossing, the current position of each motor vehicle, the instantaneous speed and the time required from the current position to the stop line can be accurately detected in real time through a plane perception detector, and the phase deviation of a traffic light can be regulated in real time according to the real-time flow changing of two inlets of a subarea trunk road. Besides, according to the scheme of the invention, a monitoring device is not needed, the time for reaching the arrival stop line can be accurately obtained in the different speed of different motor vehicles and different weather conditions. Therefore, according to the scheme of the invention, the method and system for reducing the number of times of parking of motor vehicles at the crossing through adoption of the plane perception technology can accurately obtain the accurate time of each motor vehicle from an upstream crossing outlet to the stop line so as to accurately start traffic signals for the first vehicle of the motor vehicle queue for reaching the stop line and ensure that the number of times of parking is reduced when the motor vehicles pass through the crossing.

The invention relates to the technical field of an agricultural cultivation cavitation device, in particular to a forcible-arrangement forcible-starting corn straight-inserting hole-sowing machine. The forcible-arrangement forcible-starting corn straight-inserting hole-sowing machine comprises a machine frame and is characterized in that the front part of the lower end of the outer part of the machine frame is connected with a front wheel shaft through a bearing with a base; a differential is arranged at the middle position of the front wheel shaft; a power output shaft of a motor is connectedwith the differential through a chain wheel mechanism; an electromagnetic clutch is arranged on the upper side of the middle end of the internal part of the machine frame; the electromagnetic clutchis connected with the power output shaft of the motor through the chain wheel mechanism; the electromagnetic clutch is connected with power input shafts of a horizontal speed compensation mechanism, aconjugated cam mechanism and a seed arrangement device through the chain wheel mechanism; a straight-inserting seed arrangement device is arranged below the horizontal speed compensation mechanism; the back end of the outer part of the machine frame is vertically connected with a steering shaft through the bearing with the base; the lower end of the steering shaft is connected with back wheels through two connecting rods; and the middle part of the connecting rods is connected with the upper end of the steering shaft through an electric push-pull rod. The forcible-arrangement forcible-starting corn straight-inserting hole-sowing machine effectively relieves the problems that under-membrane sowing and sowing qualification rate are greatly influenced by the ground.

The invention relates to an automatic opening mechanism of an unmanned aerial vehicle parachute cabin cover. The automatic opening mechanism comprises a mounting frame, the parachute cabin cover, a pressure spring, a blocking piece, an extractor parachute, a parachute, a magnet iron sheet and an electromagnetic lock assembly. The electromagnetic lock assembly comprises a shell, a control circuit board, a silicon steel sheet and a coil; the electromagnetic lock assembly is located in a space formed by the mounting frame and the parachute cabin cover and is fixedly connected with the mounting frame through a shell; the control circuit board, the silicon steel sheet and the coil are fixedly arranged in the shell; the magnet iron sheet is fixed to the parachute cabin cover; a stud is fixedly connected to the mounting frame through a thread, and is sleeved with the pressure spring, and the initial state of the pressure spring is in the compression state. The mechanism has the beneficial effects that unmanned aerial vehicle space is effectively saved, magnetic attraction force generated by an electromagnet can tightly lock the parachute cabin cover, when parachute opening is needed, a flight control computer sends out signals, a power source is cut off, the magnetic attraction force disappears, the pressure spring exerts the effect, and meanwhile, under the air flow effect, the parachute cabin cover can be rapidly and accurately opened.

The invention provides a surge protection relief valve, which comprises a main valve and a pilot valve, wherein the pilot valve is positioned above the main valve; an outlet valve seat and an inlet valve seat are fixed in a cavity of a pilot valve body at an interval; and a valve shaft is connected with a pilot valve spring arranged on one side of the pilot valve. A central cavity of the pilot valve is communicated with an air chamber in the main valve by an air chamber pipe, while a rear cavity is communicated with the outlet side of the main valve by an outlet pipe. An inner core of a main valve body has an olive shape; a fixed sleeve is fixed at an inlet flange of the main valve body; and a valve seat of the main valve is pressed together with the fixed sleeve. A guide sleeve is fixed on an inner hole on the outlet side of the main valve body; the tail part of a fusiform valve clack is inserted into the guide sleeve; and the conical sealing surface of the front part of the valve clack can be sealed with the valve seat. The inner cavity of the valve clack is combined with the inner core of the main valve body to form the air chamber in the main valve. The surge protection reliefvalve induces the pressure of a pipeline by the mechanical pilot valve to control the movement of the valve clack of the main valve so as to realize accurate opening, fast relief and the elimination of pressure peaks during the occurrence of surges in the pipeline and play a role in safely and reliably protecting pipeline equipment.

The invention discloses a channel management device for checking tickets left and right for passage. The channel management device comprises a left gate and a right gate forming a ticket checking channel, a processing unit and a control unit. The left gate is provided with a first detection unit used for detecting the ticket checking actions conducted by ticket checking persons from the left side of the ticket checking channel. The right gate is provided with a second detection unit used for detecting the ticket checking actions conducted by the ticket checking persons from the right side of the ticket checking channel. The processing unit is used for confirming whether the ticket checking persons conduct the ticket checking actions or not according to detection results of the first detection unit and the second detection unit. The control unit is used for opening the gates of the ticket checking channel after the ticket checking persons conduct the ticket checking actions and the tickets are checked to be qualified. By the adoption of the channel management device, the gates, where passengers are located, of the channel can be opened no matter whether the tickets are checked through the left gate or the right gate, so that the ticket checking pass rate is increased, the channel congestion is reduced, and passage of the passengers is facilitated. The invention further discloses a left and right ticket checking passage method.

The invention reveals an automatic control system of an auto steering lamp, which is implemented through the steps that the control system acquires left and right wheel speed signals, the acquired left and right wheel speed signals are transmitted to an ECU by an electronic control unit, then the ECU drives left and right lamp relays to control a combination switch to realize the opening and closing of left and right steering lamp sets. The control system can accurately control the steering lamp, and the steering lamp can be opened accurately even by a slightest steering operation; meanwhile,the automatic control system and a manual operating lever can exist together to control the steering lamp, so that the drivers can operate the steering lamp more conveniently.

The invention provides a conical surface soft sealing structure for a safety valve. The conical surface soft sealing structure comprises a boss-shaped valve seat. The top end of the valve seat is embedded into the bottom of a groove-shaped recoil disc. The top end of the valve seat is connected with the bottom of the recoil disc through a lower adjusting ring in a threaded mode. A groove in the recoil disc is filled with a T-shaped sealing block. The lower end of the T-shaped sealing block stretches into the top end of the valve seat. A guide rod is arranged above the recoil disc. The guide rod is connected into the recoil disc in a threaded mode. The guide rod and the recoil disc are fixed to prevent loosening through a locking nut. The guide rod presses the sealing block embedded in the recoil disc. Meanwhile, the recoil disc has the function of a pressing block. The sealing block, the recoil disc, the guide rod and the locking nut form an integrally-moving assembly. A conical surface sealing mode is adopted for the sealing face where the valve seat makes contact with the sealing block. By means of the conical surface soft sealing structure for the safety valve, it is guaranteed that the valve is opened precisely, sealed reliably, discharged stably and capable of returning back to the valve seat at the right moment at the normal temperature ranging from -46 DEG C to 200 DEG C and at the low temperature ranging from -46 DEG C to -200 DEG C.

The invention discloses channel management equipment for left-right ticket checking and passing. The channel management equipment comprises a gate machine comprising ticket checking channels on left and right sides; the gate machine is provided with a first detection unit, a second detection unit, a processing unit and a control unit, wherein the first detection unit is used for detecting ticket checking actions when ticket checking workers check tickets and enter a right-side region of the gate machine; the second detection unit is used for detecting whether the ticket checking workers exist in ticket checking station regions of the left ticket checking channel and the right ticket checking channel or not; the processing unit is used for determining whether the ticket checking workers stand in the right ticket checking channel or not according to detection results of the first detection unit and the second detection unit; and the control unit is used for opening a gate of the right ticket checking channel after the tickets are checked to be qualified and the ticket checking workers stand in the right ticket checking channel. According to the channel management equipment, the gates of the channels where passengers are in can be opened no matter whether the left-side gate machine or the right-side gate machine is used for checking the tickets, so that the ticket checking passing rate is improved, channel congestion is reduced and the passengers conveniently pass. The invention further discloses a left-right ticket checking and passing method.

The invention relates to a temperature control tea cup which comprises a cup cover and a cup boy, wherein the cup body comprises a base and an insulating barrel, and a regulating barrel is coaxially arranged outside the insulting barrel in a sleeving manner; an upper seal ring and a lower seal ring at two ends of the regulating barrel are separately mounted in sealing chutes, and the insulating barrel and the regulating barrel encircle a closed circular barrel space; a partition plate parallel to the axis of the regulating barrel is arranged in the circular barrel space; two hollow regulatinginterlayers are arranged in the inner cavity of the insulating barrel, and the two regulating interlayers independently communicate to the two semi-barrel spaces, separately; and barrier strips made from heat insulating materials are separately arranged in the two semi-barrel spaces and the two regulating interlayers. The tea cup is novel in structure, can adjust the temperature of tea water quickly as needed, not only ensure that tea leaves are fully soaked and beneficial substances are fully dissolved out, but also can keep a certain water temperature, and is conveniently carried and drunk for a long time.

The invention discloses a heating base and a cooker utilizing the same. The heating base comprises a base body, a temperature detecting assembly, a bracket and a microswitch, wherein a first accommodating cavity and a second accommodating cavity are formed in the body, the first accommodating cavity is formed above the second accommodating body, and the first accommodating body and the second accommodating body are separated through a partition board; a first hole penetrated by the temperature detecting assembly is formed in a panel; the first accommodating cavity is used for accommodating a heated object; the bracket and the microswitch are arranged in the second accommodating cavity, the temperature detecting assembly is arranged at the upper part of the bracket in an elastically telescopic manner, and the microswitch is arranged at the lower part of the bracket and is turned on when the heated object props against the temperature detecting assembly. The detection structures of the heating base are improved and are combined into a whole, so that the error rate of the detection structures can be effectively reduced, and the detection structures are convenient to mount and replace.

The embodiment of the invention discloses an image scanning method, device, a reader and a computer readable storage medium, wherein the method comprises the following steps: if the to-be-scanned paper is detected through a first sensor array, controlling a stepping motor to drive the to-be-scanned paper in the paper feeding channel of the reader to advance, wherein the direction angle of the to-be-scanned paper into the reader is arbitrary; and if a second sensor array detects that the head of the to-be-scanned paper reaches the upper edge of a CIS scanning array, controlling the CIS scanningarray to enter a scanning state to scan the to-be-scanned paper after the to-be-scanned paper advances for a distance L0; and if the second sensor array detects that the tail of the to-be-scanned paper goes away from the lower edge of the CIS scanning array, controlling the stepping motor to drive the to-be-scanned paper to advance for a distance L4, and then turning off the CIS scanning array. According to the invention, the scanning of the to-be-scanned paper in any direction and angle can be realized.

The present invention provides a method and system for reducing the number of times of parking of motor vehicles at a crossing through adoption of a plane perception technology. The number of the motor vehicles entering at the upstream on each direction at the crossing, the current position of each motor vehicle, the instantaneous speed and the time required from the current position to the stop line can be accurately detected in real time through a plane perception detector, and the phase deviation of a traffic light can be regulated in real time according to the real-time flow changing of two inlets of a subarea trunk road. Besides, according to the scheme of the invention, a monitoring device is not needed, the time for reaching the arrival stop line can be accurately obtained in the different speed of different motor vehicles and different weather conditions. Therefore, according to the scheme of the invention, the method and system for reducing the number of times of parking of motor vehicles at the crossing through adoption of the plane perception technology can accurately obtain the accurate time of each motor vehicle from an upstream crossing outlet to the stop line so as to accurately start traffic signals for the first vehicle of the motor vehicle queue for reaching the stop line and ensure that the number of times of parking is reduced when the motor vehicles pass through the crossing.