167results about How to "Cut off in time" patented technology

The invention discloses a shifting register unit and a grid drive circuit as well as a display device. The shifting register unit comprises an input module, a processing module and an output module, wherein the input module is used for inputting a first clock signal, a second clock signal, a frame start signal, a high-voltage signal and a low-voltage signal; the processing module is connected with the input module and comprises a plurality of thin film transistors; the processing module is used for generating grid drive signals according to the first clock signal, the second clock signal and the frame start signal, controlling that the voltage of first nodes formed by the thin film transistors at an evaluation phase of the shifting register unit is lower than a lower level of a power supply signal, controlling second nodes formed by the thin film transistors to be reset, and cutting off a transient direct-current path formed by the input end of the high-voltage signal, the input end of the low-voltage signal and at least one thin film transistor in time; and the output module is connected with the processing module and is used for sending out the grid drive signals generated by the processing module. According to the invention, the transient current is reduced and the power consumption of the shifting register unit is reduced.

The invention discloses a PVC (Polyvinyl Chloride) diaphragm and a manufacturing method thereof. The PVC diaphragm is manufactured by using the raw materials: 100 parts of PVC resin, 1.0-1.2 parts of 719 type oxidized polyethylene wax, 0.015-0.017 part of auxiliary stabilizer, 3.5-4.0 parts of MBS (Methacrylate-Butadiene-Styrene) resin, 0.9-1.1 parts of ACR (Acrylate), 0.45-0.55 part of internal lubricant, 0.1-0.2 part of external lubricant, 0.3-0.4 part of PX1000, 0.011-0.013 part of ultramarine and 0.004-0.005 part of disperse purple, wherein the auxiliary stabilizer is composed of monomethyltin and antimony mercaptide which are in the weight ratio of 1:4. The manufacturing method of the PVC diaphragm comprises the steps: firstly, adding all the raw materials into a kneading pot to knead, and discharging when the temperature is up to 80-90 DEG C; entering a cooling pot, and discharging when the temperature is up to 60-70 DEG C; next, squeezing out the raw materials at the temperature of 120-160 DEG C; then, calendering the raw materials at the temperature of 180-200 DEG C to form a sheet; after stripping, cooling and shaping, cropping and winding. The PVC diaphragm is good in stability, high in strength and low in manufacturing cost.

The invention discloses a control system, method and device for parallel connection of multiple battery subsystems, the control system comprises a control device, a main switch, a one-way conduction device and a slave switch which are arranged in each battery subsystem, and the slave switch and the one-way conduction device are connected in series and then are connected with the main switch in parallel. The control device is used for controlling the main switch and the slave switch corresponding to the target battery subsystem to be switched off when the target battery subsystem has a fault, and is also used for comparing the target battery voltage difference with a preset voltage difference according to the charging and discharging state and controlling the on-off of the main switch and the slave switch of the corresponding battery subsystem. Therefore, the voltage difference of the target battery is compared with the voltage difference, the voltage difference of the battery in the charging and discharging process can be actively balanced, and current circulation in the charging and discharging process of the battery is avoided. In addition, when the battery subsystem breaks down,the main switch and the slave switch are switched off, the broken-down battery can be cut off in time, the safety risk of the battery is reduced, and after-sales maintenance is facilitated.

The embodiment of the invention provides a battery diaphragm. The diaphragm comprises a polyolefin porous diaphragm base material, wherein the polyolefin porous diaphragm base material comprises polyethylene resin, the elongation of the polyolefin porous diaphragm base material in the MD direction is greater than 120%, the polyolefin porous diaphragm base material has an elongation rate of more than 120% in the TD direction, the polyolefin porous diaphragm base material has a primary heating crystallinity of less than 65% and a secondary heating crystallinity of less than 55%, which are measured by a differential scanning calorimeter, and the difference between the primary heating crystallinity and the secondary heating crystallinity is less than 12%. The battery diaphragm has the characteristics of high elongation and low hole closing temperature, and by implementing the embodiment of the invention, the diaphragm rupture risk can be reduced when a battery cell is mechanically abused,and meanwhile, diaphragm pores are closed in advance when the battery cell is thermally abused, so the safety of the battery cell is improved. The embodiment of the invention further provides a preparation method of the battery diaphragm as well as a battery and a terminal adopting the battery diaphragm.

The invention discloses a smart voice-control safety vertical electric fan with an infrared positioning function. A steering engine is mounted in a fixing frame, a steering engine arm on a steering engine rotary shaft is connected with a support, an electric fan is mounted on the upper portion of the support, pyroelectric infrared sensors are mounted in two holes of the middle of the support perpendicularly, Fresnel lenses are respectively mounted on the outer sides of the two pyroelectric infrared sensors, and a temperature sensor, a voice control sensor and a gravity acceleration sensor are mounted in the support and connected with a single-chip microcomputer through respective circuits. By induction functions of the sensors and smart processing of the single-chip microcomputer, various environmental information of the external can be fed back by the circuits in real time, working states of the electric fan can be changed along with change of the external environment according to different angle and rotation speed of the steering engine and the fan, and users feel more comfortable when using the electric fan. When the electric fan topples, the power source can be cut off in time, so that the users and the electric fan can be protected. When the users leave a work range of the electric fan, the electric fan can be turned off automatically, so that energy saving and environmental protection effect can be realized.

The invention discloses a safe and reliable multifunctional hydrogen discharging system. The safe and reliable multifunctional hydrogen discharging system comprises a box body module, a pipeline unitand a circuit unit, wherein the pipeline unit and the circuit unit are arranged in the box body module; the pipeline unit comprises a hydrogen discharging pipeline, a hydrogen replacement pipeline anda nitrogen replacement and test pipeline; a hydrogen concentration detector, a flame detector, a forced exhaust system, an audible and visual alarm, a metering display and a PLC control system in thecircuit unit are all arranged in the box body module, and the hydrogen concentration detector, the flame detector, the forced exhaust system, the audible and visual alarm and the metering display areelectrically connected with the PLC control system through circuits correspondingly; and an emergency cut-off electromagnetic valve, a mass flow meter and a pressure sensor are electrically connectedwith the PLC control system through circuits correspondingly. The safe and reliable multifunctional hydrogen discharging system is reasonable in structural design and safe and reliable to use.

The invention discloses an operation safety control system of a crane; the control system comprises a power supply, a get-off control unit and a get-on control unit; the power supply is connected with a power supply input end of an engine electronic control unit by a first power supply circuit, and is connected with a flameout signal input end and a get-on controller of the engine electronic control unit by a second power supply circuit; and the get-on control unit comprises a scram switch and a scram control device. The scram control device controls the on-off of the first and the second power supply circuits according to a scram gear or a restore gear on which the scram switch is located. Therefore, when an emergency situation happens in the get-on operation process of the crane, an operator can cut off the power supply of the engine ECU (electronic control unit) by using the scram control device, to enable the engine to be flamed-out, thereby effectively and completely cutting off the power system in time, and ensuring the safety of people, apparatuses and surrounding operation environments. On the above basis, the invention further provides an operation safety control method of the crane and the crane having the above control system.

The present invention belongs to the technological field of Chinese medicine which is used for treating myopia, and in particular relates to a Chinese medicinal composition which requires oral taking and massage. The composition is used for treating myopia by promoting the blood circulation of eyes, and is characterized by comprising sicklesenna seed, medlar, dodder, yam, fructus schizandrae, chrysanthemum, mulberry, black sesame and salvia. The preparation method comprises preparing orally taken medicine and massaging medicinal liquid. The preparation of the orally taken medicine comprises the following steps: (1) dividing the formula into three groups; (2) frying and boiling the first group; (3) extracting the second group by alcohol; (4) mixing the extract of the first group and the second group; (5) crushing the black sesame in the third group; and (6) mixing well the first group, the second group and the third group. The composition has the advantages of improving the blood circulation of eyes, eliminating the spasm of ciliary muscle, removing the fatigue of eyes, timely cutting off the focus, compensating the special nutrition of eyes, conditioning the heart, liver, stomach and kidney, and realizing the purpose of treating myopia in 1 to 3 months. Then the eyesight can be changed from 0.2 into more than 1.2.

The invention belongs to the technical field of alcohol loading and unloading equipment, and relates to an alcohol crane pipe automatic car loading system. The alcohol crane pipe automatic car loadingsystem comprises a crane pipe used for conveying alcohol and a tank car used for loading the alcohol. A tank opening is arranged on the tank car. The alcohol crane pipe automatic car loading system further comprises an image collection module, an illumination module, an image processing module and a control module. A liquid injection valve is arranged at the lower end of an inner arm. The image collection module is used for providing a camera to take images around the tank opening and converting the images into digital signals. The image collection module comprises the camera and an image collection card. The illumination module comprises an LED lamp source. The image processing module is used for sending the digital signals collected by the image collection module to the control module after analyzing, recognizing and processing the digital signals collected by the image collection module. The control module is used for precisely detecting the position of the tank opening according to image information transmitted by the image processing module. According to the alcohol crane pipe automatic car loading system, the tank opening of the tank car can be automatically and precisely located so as to improve the alcohol loading and unloading speed and safety.

The invention discloses a comprehensive control method for a dragon fruit canker, and belongs to the technical field of plant protection and fruit culture. The method comprises the steps that for a newly-built orchard, the disease-free nursery stock and disease-resistant variety are selected to be cultivated; a bactericide is sprayed in spring in the morbidity orchard to restrain germination of pathogen spores; summer is the key control period, the phenomenon that pathogenic bacteria circularly infect a medium is reduced by cut off novel tender branches in time, and bactericide is sprayed; clipping, orchard cleaning and medicament spraying are performed in time in autumn and winter, and a pathogenic spore hibernacle is removed. All medicaments are organic silicone additives, the medicaments are promoted to extension and absorption on the surfaces of branches, and the control effect is enhanced. By implementing the comprehensive control method for the dragon fruit canker, damage to the canker can be completely controlled for the morbidity orchard, and the good prevention effect can be achieved for a non-attacked orchard.

The invention discloses a device capable of shortening the ignition time of a gas stove. The device comprises a pulse ignition circuit, wherein a relay is arranged in a loop of the pulse ignition circuit, and is in a normally closed state during the non-ignition time of the gas stove; thermocouple induction pins are arranged on the periphery of an ignition pin, and are connected in series with a coil loop of the relay. According to the device, the ignition circuit can be rapidly switched off under the condition that the gas stove is ignited, so that energy resources are effectively saved.

The invention relates to a battery temperature control device for a charging and replacing power station, and an electric vehicle charging and replacing power station. The battery temperature controldevice comprises: a pipeline portion, a liquid cooling machine unit and a control portion, wherein the pipeline portion is connected to one or more batteries of the charging and replacing power station and is used for providing a refrigerant for the batteries to heat or cool the batteries; the liquid cooling machine unit is connected with the pipeline portion and is used for cooling or heating therefrigerant provided for the pipeline portion; and the control portion is connected with the liquid cooling machine unit and is used for controlling the liquid cooling machine unit and the pipeline portion. The charging and replacing power station comprises one or more battery temperature control devices, and the battery temperature control device is arranged in a battery compartment in the electric vehicle charging and replacing station. The pipeline portion, the liquid cooling machine unit and the control portion all adopt a split design, the length of a cable or a hose can be adjusted according to specific space layout requirements, the installation positions of the pipeline portion, the liquid cooling machine unit and the control portion are set, and the requirements of internal design and layout diversity of the charging and replacing power station are met.

The invention discloses an explosion prevention and fire extinction testing device for a lithium ion battery. The device comprises a base 2 and a protective shell 9, and is improved in a way that a battery 1 is arranged between the base 2 and a cavity of the protective shell 9, and the cathode and the anode 14 of the battery are connected with testing terminals 12 on charging and discharging test lines 3; the base 2 is provided with a temperature controlled switch 4 which comprises a temperature sensor 6 and a signal line 5; the temperature sensor 6 is connected with the lithium ion battery 1. According to the explosion prevention and fire extinction testing device for the lithium ion battery, a high-temperature abnormal phenomenon can be timely sensed, a circuit can be timely, rapidly and effectively broken to reduce the temperature of the battery, and meanwhile, inert gas can be emitted to isolate the battery, so that the lithium ion battery can be prevented from being exploded and burnt due to high temperature.

An LNG (Liquefied Natural Gas) explosion-proof gas supply control system of a yacht comprises a gas supply device and a control device, wherein the gas supply device comprises an LNG storage bottle; a storage bottle safety circuit is arranged outside the LNG storage bottle; the storage bottle safety circuit is a circuit formed by serially connecting a supercharger, a main safety valve and a sub safety valve in sequence; the storage bottle safety circuit is connected with a control unit CPU (Central Processing Unit); the LNG storage bottle is connected with an engine of the yacht through a safety pipeline; a pipeline safety valve, a carburetor, a pipeline pressure regulating valve, a pressure stabilizing chamber and an electromagnetic valve are connected in series with the safety pipeline in sequence; the pipeline safety valve, the pipeline pressure regulating valve and the electromagnetic valve are all connected with the control unit CPU; and the control device comprises an embedded control assembly and an external control assembly. The LNG explosion-proof gas supply control system of the yacht, provided by the invention, has the advantages of simple and compact structure, safety and reliability in operation, convenience in operation and simplicity in maintenance.

The invention provides a forsythia planting method and belongs to the technical field of forsythia planting. The forsythia planting method aims to provide a manual mechanization large-scale forsythia planting method. The technical scheme is that large-scale planting can be achieved after seed collecting, seedling bed choosing and settling, seeding, division propagating, thinning and seedling transplanting. The forsythia planting method is simple, forsythia planted with the forsythia method is tidy and uniform in plant shape, and a mechanized method can be adopted for field farming. A sparse bar fruit-picking method is adopted to pick fruits, interplant farm crops in a forest also can be carried out, farm cultivation management efficiency is improved by three times, fruit-picking efficiency is improved by one time compared with manual fruit picking efficiency, and planting profit is improved by more than 20% compared with planting profit of simple planting of other farm crops.

The invention relates to the technical field of fertilizer fermentation, and discloses an organic fertilizer blending and fermentation device, which comprises a first driving machine. A driving shaftbelow the first driving machine is movably connected with a rotating shaft through a spline, and the rotating shaft passes though a blending kettle and is fixed to stirring blades. A valve is fixedlymounted on the blending kettle. A spraying pipe is movably connected below the valve and the lower part of the spraying pipe is movably connected to spraying nozzles. Stirrers are fixedly mounted at the left upper part of the blending kettle, a temperature controller is fixedly mounted at the right lower part of the blending kettle, and a heat dissipater is fixedly mounted at the left side in theblending kettle. The left side of the heat dissipater is movably connected to the right side of the heater through a pipe, and the left side of the heater is movably connected to a blower. Through thefine stirrer and the coarse stirrer, the device achieves spraying while stirring, blowing by the blower and heating by the heater, and achieves material shape and size uniformity, uniform mixing of astarter and materials, and uniform heating.

The invention discloses logistics-equipment-based receipt pasting equipment and relates to the technical field of logistics equipment. The logistics-equipment-based receipt pasting equipment comprisesa box. A motor is fixedly connected to the back face of the inner wall of the box through a motor seat. A rotary shaft is fixedly connected to an output shaft of the motor through a coupling. A rotary block is fixedly connected to the end, away from the motor, of the rotary shaft. A rotary rod penetrates through the rotary block. A buffer spring is fixedly connected to the part, located on the surface of the rotary rod, between one side of a push plate and one side of the rotary block. A vertical plate penetrates through the push plate. A limiting plate is fixedly connected to the top of theinner wall of the box. According to the logistics-equipment-based receipt pasting equipment, a device can be effectively driven to rotate, an express receipt can be effectively adsorbed and then pasted on one side of a transport box, unnecessary waste is reduced, subsequent express receipts can be cut off in time after the express receipt is adsorbed, manual processing is not needed, burden of workers is relieved, and meanwhile use efficiency is improved greatly.

The invention discloses a dynamic weeding device which comprises a bracket, a driving device, a plate body, a hoeing rod and a hoeing cutter, wherein a horizontal handrail is arranged in the upper part of the bracket, a horizontal fixed rod is arranged in the middle part of the bracket, a second end of the bracket is connected with a driven wheel, and a bump is arranged on the surface of the driven wheel; the driving device comprises a driving wheel, wherein a driving axle is arranged in the middle of the driving wheel, and a belt pulley is arranged at the second end of the driving axle in a sleeving manner; the surface at one side of the plate body is connected with a supporting column while an arc-shaped chute is formed on the surface at the other side of the plate body, and a slide block is arranged in the arc-shaped chute; a compression spring is connected between the hoeing rod and a crank; a strip-like through hole is formed on the second side face, toward the ground, of the hoeing cutter, sponge is paved on the second side face, and the hoeing cutter communicates with the hoeing rod to form a liquid medicine circulating path. The dynamic weeding device disclosed by the invention has the advantages of being simple in structure and economical and practical.