67results about How to "Effective close" patented technology

The invention discloses a density contrast automatic liquid discharge valve, including a floating ball with the proportion between the two mixed liquor, a mixed liquor input port and a case of the single liquor discharge port, a lever mechanism and a valve port arranged on the discharge port inside the case, wherein the floating ball controls the open and close of the valve port through the lever mechanism. The invention not only can use the density contrast of different liquids, the floating ball level mechanism designed by the Archimedes principle can control the valve port to discharge the liquid, can discharge the liquid accurately for one liquid of the stable mixed liquid and perform the indicating control.

The invention discloses a flatness detection device based on civil engineering and relates to the technical field of civil engineering. A connecting box is fixedly connected to one side of a box body.Vertical frames are fixedly connected between the top and the bottom of the inner wall of the box body. The two vertical frames are arranged and located on the left side and the right side of the inner wall of the box body. A first electric telescopic piece is fixedly connected to the top and the bottom of one side of the inner wall of each vertical frame. By the adoption of the flatness detection device based on civil engineering, the device can be effectively triggered and stopped through a touch switch when an unstable condition happens, and stability is guaranteed; through mutual cooperation, whether flatness is reached or not can be known in time, observation is conducted, the accuracy in the measurement process is guaranteed, and work efficiency is improved; and the angles of pressswitch pieces correspond to those of squeezing blocks, the overall balance of the device can be guaranteed in the uphill and downhill processes, an inclination state is avoided, and the stability in the measurement process is guaranteed.

The invention relates to a double-shaft door-opening hinge and application thereof. The double-shaft door-opening hinge comprises a hinge base and two rotating shafts, wherein two grooves are formed in the hinge base; the hinge base is used for connecting with a box; one ends of the two rotating shafts are connected with a box door; and the other ends of the two rotating shafts are respectively located in the two grooves of the hinge base. The double-shaft door-opening hinge provided by the invention utilizes the design of the rotating shafts capable of moving along the grooves to change the manner of the traditional door corner capable of rotating around a fixed spindle in an opening/closing process of the door corner, so that the position of the door corner can be changed in a rotating process, the manner of moving the rotating shafts is utilized to pull the door corner to move the position, the door corner is always located on the position within the lateral edge of the box, the door corner is prevented from being influenced by the object environment beyond the lateral edge of the box, and the effective opening or closing of the door under any environments can be guaranteed.

The invention discloses an electronic lock, and belongs to the field of safety technology protection. The electronic lock solves the problems that in the prior art, the electronic lock is complex in structure, high in cost, inconvenient to use. The electronic lock comprises a lock body provided with a cavity, a lock cover, a drive motor, a power supply system, a coded lock device, a first lock tongue, combined type lock core, a first lock core, a second lock tongue, a second lock core and a heaven and earth rod mechanism. The power supply system supplies power for the drive motor, and the coded lock device is electrically connected with the power supply system. The first lock tongue is arranged on the upper end of the lock body and can penetrate through the side face of the lock body, and the combined type lock core can rotate around the lock body and is used for dragging the first lock tongue back into the lock body. The first lock core is used for pushing the combined type lock core and is meshed with an output shaft of the drive motor. The second lock tongue is arranged on the lower end of the lock body and can penetrate through the side face of the lock body, and the second lock core is meshed with the combined type lock core and driven by the combined type lock core and is used for dragging the second lock tongue back into the lock body. The second lock core is fixedly arranged on one side, opposite to the first lock tongue and the second lock tongue, of the lock body, and achieves contracting through the combined type lock core and the second lock core. The heaven and earth rod mechanism achieves popping-up through a first springing control mechanism and a second springing control mechanism.

The invention relates to a method for protecting computer systems after an outage of an uninterrupted power supply (UPS). The method is characterized in that the method includes the following steps of (1) performing hardware configuration on a computer system protection mechanism: accessing UPS data signals to the internet through a network card configured by the UPS, and transmitting UPS operation process information to a personal computer (PC) for management; (2) designing monitoring programs: compiling UPS signal intercepting and monitoring programs in the PC, real-timely monitoring signals of an input power supply of the UPS, sending signals to the computer systems after exceeding accumulative three minutes from receipt of a UPS outage signal, prompting computer system information to be closed, and alerting a computer user to protect data; starting a shutdown process, and sequentially turning off the computer systems; (3) compiling independent computer shutdown strategies for different computer systems. The method is capable of effectively turning off the computer systems, guaranteeing security of the data and the systems, effectively protecting resources of the computer systems, and reducing loss of service objects as much as possible.

The invention provides a water tank circuit of a cleaning device. The water tank circuit comprises a water tank control circuit, the water tank control circuit comprises a single chip microcomputer, an NPN pipe, an MOS pipe, a resistor R1, a resistor R2, a resistor R3, a water tank power output device and a water pump interface (J), an IO opening (1) of the single chip microcomputer is connected with a B pole of the NPN pipe through the resistor R1, an E pole of the NPN pipe is grounded (GND), a C pole of the NPN pipe is connected to a G pole of the MOS pipe through the resistor R2, a D pole of the MOS pipe is connected to the power output device through the resistor R3, and an S pole of the MOS pipe is connected to the water pump interface (J). Through the water tank control circuit, a water tank water pump can be effectively started and closed, the reaction is sensitive, and the cost is greatly saved. Meanwhile, a water tank detection circuit and a water tank water level detection circuit are further arranged in the water tank control circuit, whether a water tank is placed and whether water is in the water tank or not can be quickly detected, and the intelligence of the cleaningdevice is improved. The invention further provides a water tank control method of the cleaning device.

The invention discloses a marine inclined ladder door/cover, and belongs to the technical field of ships. The marine inclined ladder door/cover is mounted between an upper deck and a lower deck, and characterized by comprising a ladder assembly; the ladder assembly comprises a bottom ladder frame and a surface ladder frame which are parallel to each other; multi-stage parallel steps are vertically hinged between the bottom ladder frame and the surface ladder frame; the top end of the ladder assembly is hinged to the upper deck; the bottom end of the ladder assembly is propped against the lower deck; the ladder assembly can upwards rotate around the hinge point between the ladder assembly and the upper deck to seal the opening of the upper deck. The marine inclined ladder door/cover is simple in structure, convenient to operate and dual in purpose, and has the advantages that not only can people on a ship be protected when necessary, but also additional building cost is avoided.

The invention discloses an elevator self-balancing car device. The elevator self-balancing car device comprises an elevator car, a balance cavity is installed at the bottom of the elevator car, sliding rails are inlaid in the two ends of the interior of the balance cavity, the balance cavity is internally connected with a connecting baffle plate, the two sides of the connecting baffle plate are connected with electric air cylinders, one ends of the electric air cylinders are fixedly connected with balancing weights, moreover, the balancing weights are in sliding connection with the sliding rails, first switch buttons are installed on one sides of the exteriors of the balancing weights, sliding blocks are in sliding connection with the two sides of the bottoms of the sliding rails, and gravity balls are fixedly connected to the bottoms of the sliding blocks. According to the elevator self-balancing car device, the electric air cylinders and the balancing weights are arranged, so that self-balancing of the elevator car is effectively kept, and the use by people is facilitated; gravity sensors are arranged, so that the first switch buttons are effectively turned off, the automation degree of the internal structure of the balance cavity is improved; and an oxygen tank and a spray head are arranged, so that oxygen is effectively supplied to people in the elevator car when the elevator car breaks down, so that the elevator self-balancing car device is suitable for being widely popularized and used.

The invention discloses an anti-explosion valve capable of bidirectionally protecting large air volume. The anti-explosion valve comprises a valve frame assembly and a group of valve blade assemblies;the valve frame assembly comprises a rectangular frame defined by an upper end plate, a lower end plate, a left end plate and a right end plate, and two baffles arranged at the front-back symmetricalpositions of the upper end plate and the lower end plate correspondingly; the valve blade assembly comprises shafts, valve blades, first rotary positioning pieces, connecting rods, second rotary positioning pieces, positioning bolts, springs and positioning blocks; the shafts are distributed in the rectangular frame at equal intervals, the two ends of each shaft penetrate through the opposite positions of the left end plate and the right end plate respectively, the valve blades are arranged between the left end plate and the right end plate and connected with the shafts, the first rotary positioning pieces are vertically arranged on the surface of one side of the rectangular frame and located between the shafts and the valve blades, the connecting rods are connected with the first rotarypositioning pieces, the second rotary positioning pieces are arranged on the other side of the rectangular frame and located between the shafts and the valve blades, the positioning bolts are arrangedon the second rotary positioning pieces, one ends of the springs are connected with the tensioning bolts, the other ends of the springs are connected with the positioning bolts, and the positioning blocks are arranged above the second rotary positioning pieces and make contact with the upper side faces of the second rotary positioning pieces.

The invention discloses a transistor-voltage-stabilizing-filtering-circuit-based energy-saving control system for an LED lamp band. The system comprises a single-chip microcomputer, a sound sensor, a power supply, an LED lamp band, a buzzer, a transistor voltage-stabilizing filter circuit, a signal receiving and processing circuit, a power supply, and a brightness sensor, wherein the sound sensor, the power supply, the LED lamp band, the buzzer, the transistor voltage-stabilizing filter circuit and the signal receiving and processing circuit are connected with the single-chip microcomputer, the power supply is connected with the input terminal of the transistor voltage-stabilizing filter circuit, and the brightness sensor is connected with the signal receiving and processing circuit. The transistor voltage-stabilizing filter circuit consists of a rectifier filter circuit and a direct-current voltage-stabilizing circuit connected with the rectifier filter circuit; and the output terminal of the direct-current voltage-stabilizing circuit is connected with the LED lamp band. According to the invention, the sound sensor is used for sensing an acoustic signal of a sound indoors, the brightness sensor is used for collecting an indoor environment brightness signal, and the single-chip microcomputer is used for analyzing the acoustic signal and the brightness signal, so that automatic adjustment of the brightness of the LED lamp band and automatic turning on or off of the LED lamp band are realized and thus the power resources can be saved effectively.

A push-pull multifunctional window is provided with a window frame. A screen window and a glass window capable of being pushed and pulled are mounted on one side of the window frame, the screen window is located on the inner side and opened inwards, and the glass window is located on the outer side and opened outwards; one side of the screen window and one side of the glass window are hinged to the window frame, and the ends, close to the connecting position, of the screen window and the glass window are connected through a spring. An antitheft window is further mounted on the other side of the window frame. The screen window and the glass window can be opened and closed effectively at the same time, and the push-pull multifunctional window is safe, reliable, convenient and fast to use, high in practicality and convenient to popularize.

The embodiment of the invention discloses a magnetic sensitive induction water leakage protector. The magnetic sensitive induction water leakage protector comprises an electronic leakage-proof device,a magnetic sensitive device and a control system, wherein the magnetic sensitive device is a flow rate acquisition module, the control system comprises a displacement acquisition module and a time acquisition module, the electronic leakage-proof device is provided with a movable shaft, the control system is connected with the electronic leakage-proof device to be used for controlling stretch andcontraction of the movable shaft of the electronic leakage-proof device, the movable shaft of the electronic leakage-proof device extends out so as to block a water-passing opening, and the electronicleakage-proof device is turned off. The water leakage protection device has the following beneficial effects that the flow rate induction as well as timing and quantitative leakage prevention are achieved, water leakage of a water purifier can be accurately and timely judged, moreover, processing can be rapidly carried out, expansion of a water leakage accident can be effectively limited, and thewater leakage can be stopped in time.

The invention discloses a steel wire rope tripping-in recovery type secondary safety valve. The steel wire rope tripping-in recovery type secondary safety valve comprises an upper short joint, a middle short joint, a hydraulic control channel short joint, a lower short joint and a valve seat short joint, all of which are sequentially connected into a whole in a sleeved manner from top to bottom. The lower end of the lower short joint is in threaded cup joint with the valve seat short joint. A valve plate is mounted at an opening of the lower wall of the valve seat short joint through a rotating pin. After a subsurface safety valve fails, the secondary safety valve is tripped in a subsurface safety valve channel in a setting manner through a steel wire rope operation tool, and the valve plate and a valve seat are opened and closed by introducing hydraulic control pressure of the original subsurface safety valve; and the structure is simple, and safety and reliability are achieved.

The invention discloses mold production raw material mixing equipment with a uniform discharging structure for mold production. The equipment comprises a tank body and a shell, a motor is installed above the tank body, and a discharging opening is formed in the left side of the motor. The raw material mixing equipment with the uniform discharging structure for mold production is provided with a clamping groove, a movable block and a spring, and through the clamping groove formed in a convex block, the movable block arranged in the clamping groove and the spring welded to the right side of the movable block, a movable arc-shaped baffle can be inserted into the other side of a bottle body through the convex block; a clamping block in the other side of the bottle body can be inserted into a clamping groove to extrude the movable block, so that the movable block extrudes a spring, the movable block is inserted into a groove of the clamping block, a movable arc-shaped baffle and the bottle body are locked, and the situation that a feeding opening of the bottle body is opened when the movable arc-shaped baffle does not block the bottle body can be effectively avoided; by means of the design, a worker can conveniently fill and store the processed powder, and the powder is convenient to store when not in use.

The invention provides a network building visual intercom method. An identity authentication option is set, unsafe visual intercom calls can be effectively closed, meanwhile, automatic answering of a specific user can be set, and a network building visual intercom system based on an SIP is made to be safer and perfect.

The invention relates to a curtain with an improved retractable structure, which is mainly composed of a curtain frame, a left curtain, a left pull bar, a left suction block, a right pull bar, a right suction block, and a right curtain; the entire curtain frame has a rectangular frame structure; the The left and right curtains are symmetrically clamped in the chute at the left and right ends of the curtain frame; a left suction block and a right suction block are arranged at the junction of the left and right curtains; the left suction block and the right suction block are vertically arranged In the center of the curtain frame. The left pull bar and the right pull bar are respectively arranged on the curtain frames at the upper and lower ends of the left curtain and the right curtain; the curtain with the improved retractable structure of the present invention can effectively prevent the intrusion of mosquitoes, while playing the role of shading, it also It effectively prevents the intrusion of mosquitoes, saves the cost of installing mosquito screens on windows, is beautiful and generous, and is more suitable for family life decoration.

The embodiment of the invention discloses an array substrate and a display panel, and the array substrate comprises a plurality of light-emitting elements arranged in an array and a pixel circuit for driving the light-emitting elements to emit light; the pixel circuit comprises a driving transistor, a data writing transistor, a storage capacitor, a reset transistor and a reset transistor; a gate electrode of the reset transistor is electrically connected with a second scanning line, a source electrode of the reset transistor is electrically connected with the first node, and a drain electrode of the reset transistor is electrically connected with a first reset signal source; the gate electrode of the reset transistor is electrically connected with the first scanning line, the source electrode of the reset transistor is electrically connected with a second reset signal source, and the drain electrode of the reset transistor is connected to the first electrode of the light-emitting element. According to the embodiment of the invention, the reset signals of the grid electrode and the anode of the driving transistor in the highlight mode can be prevented from rising at the same time, so that the driving transistor can be effectively closed in a black picture or a low-gray-scale picture, and the display panel is prevented from having different degrees of poor bright spots.

The invention discloses a dynamic bias control circuit and a Doherty power amplifier. The dynamic bias control circuit is used for the Doherty power amplifier and is electrically connected with an auxiliary power amplifier in the Doherty power amplifier, and the dynamic bias control circuit comprises a dynamic bias step-down circuit and a dynamic bias booster circuit; the output voltage of the dynamic bias step-down circuit is in negative correlation with the input power of the auxiliary power amplifier, and the output voltage of the dynamic bias step-up circuit is in positive correlation with the input power of the auxiliary power amplifier; the dynamic bias control circuit is used for correspondingly adjusting the bias voltage provided for the auxiliary power amplifier according to the output voltage of the dynamic bias step-down circuit and the dynamic bias step-up circuit so as to reduce the bias voltage to limit the power amplitude of the auxiliary power amplifier when the input power is larger than the first preset power. According to the scheme, the rollback efficiency can be improved, and the safety of the transistor of the auxiliary power amplifier in an over-high power mode is protected.

The invention discloses a riding helmet with an external buckle switch. The riding helmet comprises a helmet body, two binding bands mounted on the two sides of the helmet body respectively, a first buckle mounted on one binding band and a second buckle mounted on the other binding band. The helmet body comprises a helmet shell, a multifunctional device assembly, a power supply battery, a primary switch module and a secondary switch module, wherein the multifunctional device assembly, the power supply battery, the primary switch module and the secondary switch module are mounted on the helmet shell, the multifunctional device assembly, the secondary switch module, the primary switch module and the battery are electrically connected in sequence, the primary switch module is matched with the first buckle and the second buckle, and the first buckle and the second buckle are buckled or separated to make a primary switch connected or disconnected electrically. According to the riding helmet, an idle multifunctional electric device is effectively turned off, intelligent control is achieved, the power consumption of the battery is reduced, practicability is high, and great popularization significance is achieved.