39results about How to "Control duration" patented technology

The invention discloses a pan with temperature displaying including a pan body and a handle, a temperature-sensing bimetal element being provided in the bottom of the pan body, a display means being provided in the handle, and the temperature-sensing bimetal element being connected with the display means. The invention can rapidly and precisely indicate the temperature of the pan bottom of the pan so that the user can control the cooking level during cooking. The pan according to the invention is of a simple structure, is convenient to use and is easy to popularize.

An apparatus and method are provided for control contraction of tissue that includes collagen fibers. The apparatus includes a handpiece, and an electrode with an electrode proximal end associated with the handpiece. A distal end of the electrode has a geometry that delivers a controlled amount of energy to the tissue for a desired contraction of the collagen fibers. This is achieved while dissociation and breakdown of the collagen fibers is minimized. The handpiece, with electrode, is adapted to be introduced through an operating cannula in percutaneous applications. Additionally, an operating cannula may be included in the apparatus and be attached to the handpiece. The apparatus and method provides for a desired level of contraction of collagen soft tissue without dissociation or breakdown of collagen fibers.

The invention provides an isolating membrane for a Li-ion battery and the thickness d, the porosity Rho r and the aperture Rho s thereof respectively meet the following conditions: d is more than or equal to 5 microns and less than or equal to 50 microns, Rho r is more than or equal to 15 percent and less than or equal to 35 percent, and Rho s is more than or equal to 0.05 micron and less than or equal to 0.08 micron. The isolating membrane for the Li-ion battery has smaller porosity and aperture. When the Li-ion battery is fully charged and the short circuit happens, the isolating membrane is capable of reducing the discharging current and decreasing the continuous discharge capacity of the battery, thus controlling the magnitude of the short circuit current and the continuous time of the current and improving the safety; and when the battery is overcharged, has high temperature, or suffers improper use such as poking of a nail, squeezing and the like, the isolating membrane can rapidly shut off a micropore at fusion temperature, cut off an ion path, cause the Li to stop migrating from the anode to the cathode so as to stop the lattice collapse of anode materials and the oxidation of an electrolytic solution, thus protecting a battery cell from burning or exploding.

The invention discloses a motor driver and a stator direct current excitation motor system. The motor driver includes a plurality of phase bridge arms and one neutral point bridge arm, wherein one phase bridge arm, the neutral point and one phase winding of the driven motor form a current loop; through control of the conduction direction and the conduction time of the phase bridge arm, the voltage at the winding end being adjacent to the phase bridge arm and the voltage duration time are controlled; through control of the conduction direction and the conduction time of the neutral point bridge arm, the voltage at the winding end being adjacent to the neutral point bridge arm end and the voltage duration time are controlled, so that control of the voltage magnitude and the voltage time at two ends of the winding can be realized and control of the current magnitude and the current direction at two ends of the winding can be realized; and as the neutral point bridge arm is used as a common bridge arm, N-1 bridge arms are reduced and furthermore 4N-4 switch elements are reduced, so that the cost of the driver is greatly reduced and the power density is improved.

The invention relates to a CDMA system data service call index testing method. The invention is characterized in that the invention comprises: step 1, testing parameters are set and stored; step 2, a PPPLog data track is automatically enabled and the PPPLog data is collected; step 3, the enabling PPPLog data track is automatically closed and the collected PPPLog data is stored; step 4: statistical analysis to the stored data is carried out. The invention can replace the original complex manual operation, can control the duration and testing interval of each test, automatically obtains the statistical data of the PPP duration, saves the manpower and energy, and improves the test execution efficiency.

The invention discloses an intelligent control method and an intelligent control system for a cross walk traffic lamp, wherein the intelligent control method for the cross walk traffic lamp comprises steps of respectively monitoring flow data of vehicles which require passing of a cross walk and passengers through laser; making a traffic lamp display strategy according to the flow data of the vehicles which require passing of the cross walk and the passengers and current traffic lamp information; and controlling displaying of the traffic lamp according to the traffic lamp display strategy. According to the intelligent control method, red-and-green lamp switching time is automatically set according to the number of the passengers and the vehicles, thereby realizing intelligent control to the cross walk traffic lamp.

The invention relates to a programmable logic controller (PLC)-controlled electric safety door. The PLC-controlled electric safety door comprises a door frame, a door body, an electromotor (9) and a pulling rope driving wheel (11), wherein the electromotor (9) is arranged on an upper beam (2); the pulling rope driving wheel is wound with a pulling rope (6); one end of the pulling rope (6) rounds a second guide wheel (8') arranged on one side of the upper beam (2) and is connected to a counterweight block (7), while the other end rounds a first guide wheel (8) arranged on the other side, passes through one side of the door body downwards, extends to the bottom of the door body, extends to the other side of the door body along the bottom of the door body, then passes through the door body upwards, rounds the second guide wheel (8') and is fixed to the counterweight block (7); and the positive and negative rotations of the electromotor (9) are controlled by a control circuit of a programmable controller. The electric safety door is driven by the PLC-controlled electromotor, so that the electric safety door has the advantages of stable and precise switch operation, reliable working, low failure rate and effectively ensured safety of hoisting operation of coal mine vertical shafts.

The invention relates to a method for producing a fragranced air stream for fragrancing rooms, objects or the like, wherein fragrance is applied to a strip-like fragrance carrier (4) which is moved in an evaporation duct (1) through which fresh air flows. The fragrance is applied onto the moving fragrance carrier (4) by means of specific spraying before the latter enters the evaporation duct (1), and the fragrance carrier (4) is discarded as waste after exiting the evaporation duct (1).

The multifunctional paralysis nursing bed relates to the technical field of nursing beds. By combining a backside concave bed, a movable pillow of the nursing bed, a concave leg protecting plate and apatient together and by mounting a lifting mechanism inside the bed, an integrated linked system of a unity of the patient and the bed, a unity of the bed and a chair, a unity of the bed and a craneis formed. The multifunctional paralysis nursing bed is capable of automatically turning the patient's body in regular times and for certain times, automatically converting the positions between sitting and lying, automatically urinating, automatically moving legs, relocating the patient at will, moving the bed at will, allowing the patient to choose sitting posture and lying posture at will, andhaving hair cut on the bed, wiping the patient's body on the bed, washing hands, washing feet, washing hair, cleaning urinating and defecating parts on the bed, and therefore the nursing efficiency isgreatly improved and the laboring intensity and the nursing cost are greatly reduced.

The invention relates to a nylon film. The nylon film comprises a nylon layer, the nylon layer comprises a solid part, the solid part comprises a plurality of granular nylon particles, every two adjacent blocky nylon particles are connected through a bonding section to form a plurality of nylon particle chains, and the bonding width of each bonding section is not larger than one half of the particle size of the blocky nylon particles at the two bonding ends; and the nylon particles on the nylon particle chains can be connected to a plurality of other nylon particles through the bonding sections, the filtering holes are defined by the nylon particle chains, and a net-shaped structure is formed between the nylon particle chains in the whole space of the nylon layer. The invention aims to provide the nylon film with primary barrier filtration and secondary adsorption filtration functions, and the preparation method and application thereof.

The invention relates to a device performing fertilizer and drug application through root watering. The device comprises a ceramic cavity and a plurality of electric heating wires arranged in the ceramic cavity, and the device is characterized in that the inside of the ceramic cavity is used for storing medicament; the electric heating wires penetrate through the inside of the ceramic cavity body,power lines are connected with the two ends of the ceramic cavity body, and the electric heating wires are heated to generate heat to increase the internal intensity of pressure of the ceramic cavityto accelerate the seeping process of the medicament out of the ceramic cavity body. The device has the advantages that labor intensity of operators is reduced, the using amount of the medicament is easy to control, the uniformity of the medicament is high, phytotoxicity is not easily generated, and the utilization rate of the medicament is high.

The invention discloses a device for welding 3D printing consumables and a welding method of the device. After one time of printing, if a small quantity of printing consumables are left, the small quantity of left printing consumables are insufficient for the second time of printing and thus cannot be used, and consequentially, a large quantity of printing consumables are wasted. The device for easily and conveniently welding 3D printing consumables comprises a first main body block, a second main body block, a first wheel, a second wheel, a first heat conduction block, a second heat conduction block, a first squeezing spring, a second squeezing spring, a first wheel shaft, a second wheel shaft, a cooling fan, a heat transfer block, a pressing block, a heating bar and heating reset springs. The first main body block is hinged to the edge of one side of the inner side face of the second main body block. A first wire rod groove is formed in the inner side face of the first main body block. A second wire rod groove is formed in the inner side face of the second main body block. According to the device for welding 3D printing consumables and the welding method of the device, two rollsof 3D printing consumables can be welded; and the welding temperature can be controlled, and the device and method are suitable for different types of 3D printing consumables.

A hydraulically actuated servo piston and hydraulic advance piston are integrated into the cam follower of a unit pump or injector to provide variable advance for an injection event produced by the pump or injector. The servo piston is nested in the advance piston with fluid passageways in the advance piston selectively opened or closed by movement of the servo piston. The full pressure of a hydraulic pump is available to the advance piston for powering the advance function, while stepwise reduced levels of hydraulic pressure from the same hydraulic pump are applied to control movement of the servo piston. A damping orifice restricts flow of hydraulic fluid to and from the servo piston.

The invention discloses a low-frequency pulse vomiting stopping instrument having time control. The low-frequency pulse vomiting stopping instrument comprises MCU control, a pulse generating system, physical key control, a liquid crystal scanning and displaying system, an electricity supply system, a USB charging interface, and a duration control card system, wherein the MCU control is used for producing a PWM signal to perform calculating and controlling on commands of each component and module of the electronic vomiting stopping instrument; the pulse generating system is used for producing alow-frequency pulse signal to stimulate the high-grade center of cerebral cortex to stop vomiting; the physical key control is used for controlling the switching on and the switching off of the electronic vomiting stopping instrument and adjusting the intensity of the pulse signal; the liquid crystal scanning and displaying system is used for displaying the operating state of the electronic vomiting stopping instrument; the electricity supply system is used for supplying electricity to each module of the electronic vomiting stopping instrument; the USB charging interface is used for chargingthe electronic vomiting stopping instrument through the USB interface; the USB charging interface is connected with the electricity supply system; and the duration control card system is used for MCUcontrol and is used for controlling the low-frequency pulse output duration of the pulse generating system through reading data in the duration control card system. Through the adoption of the low-frequency pulse vomiting stopping instrument disclosed by the invention, the treating duration is effectively controlled, so that during treatment, artificial supervision is not needed when a plurality of patients are treated in different durations, and the workload of medical personnel is greatly reduced.

The invention provides a 0# block bracket prestress pre-pressing construction method. The 0# block bracket prestress pre-pressing construction method includes the following steps that 1, a jack counterforce frame is carried, and the counterforce frame is placed on a bracket and connected with a pier body; 2, dialgages are arranged at the root part of the horizontal section of the bracket, and a total station is arranged to detect offset of the axis of the pier body; 3, reference measurement is conducted before pre-pressing, initial values of all the dialgages are read, and the initial value ofthe total station is recorded; 4, a jack is pressurized to 120% of the load at multiple times and intervals, maintaining is conducted after each pressurizing, then the dialgages are read, and the offset of the axis of the pier body in the total station is recorded. Through the scheme, the counterforce frame and the jack are used to realize the effect of pressurizing, series of inconveniences caused by traditional sandbags or water tanks are removed, deformation measurement of the bracket and the pier body can be realized through the dialgages and the total station, delicate data measurement is guaranteed, and whether requirements are met or not is judged.

The present application discloses an electronic circuit (101) for controlling spark of a spark plug (SP1) in a capacitor discharge ignition system (100) of an internal combustion engine. The electronic circuit (101) comprises: an ignition coil (110) arranged to provide a current to a spark plug (SP1); an ignition capacitor (C1) arranged so as to be able to supply energy to the primary winding (L1); a voltage source (130) arranged to be able to supply energy to at least one of the ignition capacitor (C1) and the primary winding (L1); a first switch (SW1) connected to the first primary terminal (TL1) and the first power supply terminal (TS1); a second switch (SW2) connected to a second capacitor terminal (TC2) and a second power supply terminal (TS2); and a third switch (SW3) connected to the second capacitor terminal (TC2) and the first power supply terminal (TS1). A capacitor discharge ignition system (100) comprising the electronic circuit (101) described above and an internal combustion engine comprising the capacitor discharge ignition system (100) are also disclosed.

The invention discloses a low-frequency pulse vomiting stopping instrument with a time and frequency control function and a duration control method thereof, and relates to the technical field of vomiting stopping, the low-frequency pulse vomiting stopping instrument comprises a protection screen, a protection shell assembly, an adjustable wrist strap assembly, a silica gel key and an electrode plate, the outer end of the protection screen is sleeved with the protection shell assembly, and the side end of the protection shell assembly is sleeved with an elastic key; an electrode plate is inserted into the bottom of the protective shell assembly, the fixing performance of the upper shell and the lower shell is effectively guaranteed through clamping connection of a limiting hook groove and an inclined supporting hook part, the fixing performance of the time control frequency control unit and the shell can be effectively guaranteed through clamping connection of a positioning convex part in a limiting convex groove, and the fixing effect is extremely good; when the device is worn or taken down for use and accidentally falls off, the upper shell, the lower shell and the internal chip assembly cannot be separated and scattered, so that the overall stability of the device is ensured; and the treatment duration is effectively controlled, so that when multiple patients are treated at different time, medical personnel do not need to carry out manual supervision during treatment, and the workload of the medical personnel is reduced.

The invention discloses a vehicle management system based on the image recognition technology. The vehicle management system comprises a recognizable image mark arranged on the right side of a vehicle, two access control systems arranged on a tunnel portal, two sensors for recognizing the recognizable image mark, and a processing system connected with the sensors. Of the two access control systems, one is a tunnel entrance access control system, and the other is a tunnel exit access control system. The tunnel entrance access control system and the tunnel exit access control system comprise controllers connected with the sensors, and access control rods connected with the controllers. Of the two sensors, one is a tunnel entrance vehicle image recognizing sensor, and the other is a tunnel exit vehicle image recognizing sensor. Information of drag-out slag vehicles entering and leaving a tunnel can be counted; the vehicle information in the tunnel can be grasped in time when safety accidents happen, the information is fed back to workers in time, and subsequent processing is convenient.

The invention discloses a pickling-time-controllable Chinese bulbous onion pickling method. The pickling-time-controllable Chinese bulbous onion pickling method comprises the following steps: S1, taking out Chinese bulbous onions during picking process, and putting the Chinese bulbous onions into a pH value adjusting container; S2, adding Chinese bulbous onion picking liquid of which the pH value is 2-3 into the pH value adjusting container until the Chinese bulbous onions are completely immersed by the Chinese bulbous onion picking liquid, and sealing the pH value adjusting container; S3, placing the Chinese bulbous onions in the pH value adjusting container for 24 hours, taking out the Chinese bulbous onions from the pH value adjusting container, and putting the Chinese bulbous onions into a Chinese bulbous onion storing container; S4, pouring clean water into the Chinese bulbous onion storing container, and carrying out sealed storage; and S5, when fully pickled Chinese bulbous onions are needed, taking the Chinese bulbous onions out from the Chinese bulbous onion storing container, and carrying out pickling again. By taking out the Chinese bulbous onions during the picking process, the picking process is interrupted; by immersing the Chinese bulbous onions with the Chinese bulbous onion picking liquid of which the pH value is 2-3, lactic acid in the Chinese bulbous onions are killed so as to stop internal pickling process of the Chinese bulbous onions; and the Chinese bulbous onions are stored by using clean water so that controlling of enterprises over pickling time of the Chinese bulbous onions is realized.

The invention discloses a ceramic simulating heat-resistant and impact-resistant flowerpot and a production process, and relates to the technical field of flowerpots. An automatic water adding function with an adjustable rate is realized. Particularly, the ceramic simulating heat-resistant and impact-resistant flowerpot includes a body, an accommodating cavity is formed in the body, a water storage cavity is formed in the side wall of the body, and ribs with uniform circumferential distribution are integrally arranged inside the side wall of the body. The production process includes the stepsthat 40-50 parts of polypropylene, 10-15 parts of flax fibers, 3-5 parts of a PP toughening agent, 2-3 parts of a PP flame retardant, 5-10 parts of a stabilizer, 5-10 parts of an antioxidant, 5-10 parts of polyol benzoate, 3-5 parts of a deodorant are taken according to parts by weight and mixed evenly. The function of automatic watering can be realized by arranging structures such as a water inlet, a water storage cavity and a regulating chamber, the flux of a first water outlet hole and a second water outlet hole can be adjusted by adjusting a rotary knob, so that the watering rate and duration can be controlled, and the practicality is improved.

The invention provides a method for detecting the loss of items in security monitoring, which specifically includes: acquiring video stream data, initializing fast background B _f , slow background B _s and foreground statistics template F _m , get fast foreground F _f and slow foreground F _s , update fast background B _f and slow background B _s , filter moving targets, update the foreground statistics template F _m , Foreground statistical template F _m Perform binarization to obtain the final result prospect F _result , to the final result prospect F _result Perform morphological operations, corrode and expand to obtain complete targets, track complete targets, judge items left and lost, and update the slow background B of the corresponding target area _s and foreground statistics template F _m and other steps. The detection method for items left behind in security monitoring is based on dual background modeling and foreground statistical templates, which can solve the problem of many false positives and missed negatives caused by poor background modeling in traditional background modeling methods and the need to detect the foreground. The problem of uncertainty in time and prospect duration.

The invention relates to the technical field of path structural design of particle material flowing, and provides a discharging bin for particle materials and an absorption tower device with the discharging bin. The discharging bin is shrunk inwards from a containing body to the bottom and forms a lower end discharging port. A uniform flow discharging mechanism is arranged in the discharging bin and is provided with n levels of integrally big-end-down uniform flow components in a projection plane perpendicular to the length direction of the discharging port, 2n-1 uniform flow components are arranged in each level, and n is a positive integer. The first level of uniform flow components are arranged in the middle of the discharging bin, and the upper portion of the discharging bin is divided into two parallel containing cavity areas. All 2-nth level uniform flow components are sequentially arranged in the middle of the parallel containing area formed by the uniform flow components formed in the previous level and are correspondingly separated into two level parallel containing cavity areas. By means of the discharging bin, the flowing speed of materials in the same section of the discharging bin is roughly the same, and therefore the duration for all the materials to flow through the discharging bin can be controlled to be basically the same.