41results about How to "Simple and reliable technology" patented technology

The present invention discloses a city expressway access ramp vehicle pass guiding system in car networking environment and a guiding method thereof. The system comprises a roadside device, a monitoring center, the vehicle device of a main line vehicle and the vehicle device of a ramp vehicle; the roadside device includes main line traffic stream information collection module, a ramp traffic stream information collection module and a roadside intelligent decision module; the vehicle device of the main line vehicle and the vehicle device of the ramp vehicle respectively include vehicle master control modules, vehicle basic information storage module, GPS location modules, vehicle speed collection modules, vehicle speed control modules and prompting modules; the conflict prediction estimation is performed through the operation station information of the near-side lane vehicle of the roadside device collection main line and the ramp vehicle to give out the grouping condition of the access ramp vehicle and the safety vehicle speed required by importing the main line traffic flow and send the grouping condition and the safety vehicle speed to the prompting module and the vehicle speed control module in the vehicle device. The city expressway access ramp vehicle pass guiding system in car networking environment and the guiding method thereof can avoid the vehicle collision of an express way confluence zone and improve the driving safety and the pass efficiency.

The invention relates to a cooperative vehicle infrastructure system-based intersection vehicle right turning guidance system and a guidance method thereof. The guidance system includes a road-side device, a monitoring center and at least one vehicle-mounted device. When a vehicle entering an intersection communication range of the road-side device, a vehicle-mounted main control module performs analysis and judgment according to the static information of the vehicle, vehicle operating location information, vehicle driving direction, vehicle speed and traffic status information of an intersection where the vehicle is located; if judging that conflict between a motor vehicle and a non-motor vehicle or conflict between motor vehicles will occur in the future, the vehicle-mounted main control module analyzes safe vehicle speed required by right turning and transmits the safe vehicle speed to a prompt module and a vehicle speed control module; a driver will be prompted with the safe vehicle speed required by right turning through the prompt module; and the vehicle-mounted main control module monitors whether the vehicle drives at the safe vehicle speed; and if the vehicle-mounted main control module monitors that the vehicle does not drive at the safe vehicle speed, the vehicle speed control module will automatically control the speed of the vehicle.

The invention discloses a system for measuring and monitoring the fuel consumption of an automobile in use in real time and a measurement and monitoring method thereof. The system comprises on-board equipment, roadside equipment and a monitoring center, wherein the on-board equipment is arranged in the automobile, is connected with an on-board self-diagnosis system by an on-board diagnosis (OBD) interface module to read fuel consumption information and automobile information, and calculates the total fuel consumption of an engine by a master control unit; and the roadside equipment reads the total fuel consumption of the automobile by wireless communication and transmits super-standard automobile information to the monitoring center. In the method, the total fuel consumption is calculated by the fuel consumption information read from the on-board self-diagnosis system and a fuel charge calculation formula; and the roadside equipment reads the fuel consumption of the automobile and the super-standard automobile information to the monitoring center for processing by the wireless communication, and simultaneously informs a driver of the automobile with the super-standard fuel consumption. In the system and the method, data is read from the on-board self-diagnosis system, so the technology is simple and reliable and the detection accuracy is high; and the system and the method are applied to the fuel consumption detection of the automobile in any state to integrate the fuel consumption detection, maintenance and management of the automobile.

The invention discloses an information transfer method for a mobile terminal. The information transfer method comprises the following steps of: acquiring an information source character string; converting the information source character string into a flashlight operation control code in a preset format; and controlling a flashlight to send a flashing signal corresponding to the information source character string in a presetting mode according to flashlight operation control codes. The invention further discloses the mobile terminal. Due to the adoption of the technical scheme, the information transfer method is simple and reliable, and code signals can be sent by using the flashlight on the mobile terminal under the condition that a user does not know coding rules, so that an effect of communication in visibility range is achieved.

The invention provides a vehicle practical gasoline consumption and mileage detecting system and the detecting method, which is used for detecting automatically and analyzing the gasoline consumption and driving mileage and temperature. The detecting system comprises a main control module, used for collecting and sorting data, data communicating and finishing automatic control logic; a gasoline consumption detecting sub-system, using the electromechanical automatic control component to conduct practical gasoline detecting; a driving mileage detecting sub-system, calculating out the practical driving mileage of vehicle and current speed through counting the turning circle of main axle of gear-box; a temperature detecting sub-system installed at the position assigned by user; a display module, used for counting the data including driving mileage, gasoline consumption and the tested temperature during the driving process of vehicle, and display the data to the driver through LED. The system has simple structure and high detecting precision, which can finish detecting work automatically and quickly. The whole process doesn't need the third party to interfere in, thus the applicability is high.

This invention discloses a function test method and system for a hardware- watching dog including 1 starting the test system 2 initializing MCU 3 fetching content of outside RAM definite N address units 4 comparing if the fetched data are the same with the pre-designed data 5 writing the pre-designed data in the definite N address units if not the same 6. MCU stops the feeding operation, a delay time T should be larger than the limit feeding time of the watching dog chip 7 a write storage recording the hardware dog function lost to finish after instructing or reporting the test result. 8. If they are the same, the write storage registers the normal function of the dog and finishes after reporting the test results.

The invention relates to an underground intelligent garage, which comprises a ground part, an underground part, a plurality of bearing vehicles and a central digital signal control system, wherein the ground part comprises a waterproof closed door and a vehicle entrance channel; the underground part comprises a plurality of parking spots, a common channel and a lifting system which is controlled by the central digital signal control system; each parking spot as well as the common channel is provided with a dual-rail groove rail; the groove rail of each parking spot is connected to that of the common channel; the lifting system comprises a lifter, and a groove rail matched with that of the common channel is laid on the lifter; each parking spot is provided with one bearing vehicle driven by a motor; the bearing vehicle can automatically run into and out of the parking spot according to instructions sent by the central digital signal control system and automatically run into and out of the lifter through the common channel; and the lifter can automatically rise or descend according to the instructions of the central digital signal control system. The underground intelligent garage is practical and convenient and can effectively solve the problem of shortage of urban parking spots.

The invention discloses an intelligent read-write sitting posture correction method. The method comprises the following steps: (1) establishing a standard sitting posture model; (2) collecting real-time sitting posture information; (3) performing contract ratio comparison according to the pixel coordinate set and a standard pixel coordinate set; and (4) not adjusting the sitting posture of a read-writer if the contract ratio is more than or equal to 90 percent, otherwise transmitting a sitting posture adjusting signal to an alarm module by using the comparison module, and sending out brightness alarm by adjusting the brightness of an indicating lamp or sending out sound alarm through a speaker when the alarm module receives a signal requiring sitting posture adjustment. By adopting the method, the sitting posture can be corrected effectively when a teenager writes; and the sitting posture of a writer can be corrected by adopting information of a human body profile characteristics. The method is simple and reliable in technology, is economical and practical, and has a wide application range.

A membrane for a pressure dome is configured to cooperate with a pressure sensor, and includes a resilient circular wall and a circular rim. The resilient circular wall is configured to close one side of the pressure dome so as to define a partition between the inside of the pressure dome and the outside. The circular rim is configured to be housed in a main body of the pressure dome. The membrane is configured such that the resilient circular wall, when there is no difference between the pressures acting respectively on the inner surface and on the outer surface, has an outwardly convex form.

The invention discloses a dust removal system on a coke oven machine side, comprising an oven top smoke dust collector, a machine side smoke dust collector and a coal charging sealer, wherein the oven top smoke dust collector comprises an axial flow fan, a connection pipe, a smoke collection cover, a smoke dust collection pipe I, a flexible pipe and a walking trolley; the machine side smoke dust collector comprises a butt-joint guide sleeve II and a smoke dust collection pipe II; an oven opening smoke cover is arranged at the front end of the coal charging sealer, and a groove is arranged at the upper end of the oven opening smoke cover and is used for the smoke dust collection cover to insert; the flexible pipe is butt jointed with the butt-joint guide sleeve II and communicated with the smoke dust collection pipe II through a butt-joint guide sleeve I, and the smoke dust collection cover is arranged at the rear end of the smoke collection pipe II and is inserted into the oven opening smoke cover; and the axial flow fan generates an adsorption force on a whole communication pipe in work, so that smoke dust sequentially passes through the smoke dust collection cover, the smoke dust collection pipe II, the flexible pipe, the smoke collection cover and the connection pipe and finally enters the axial flow fan, and the axial flow fan guides the smoke dust into the dust adsorbing pipe to remove dust.

The invention relates to a quick response code-based product anti-counterfeiting method. The method comprises the following steps: a manufacturer prints product information on a label and adheres quick response code to the product after the product is produced and the product flowing place of the product is determined, and stores the product flowing place and the product information into a cloud server; and a customer accesses the cloud server and scans the quick response code through a mobile terminal, and the cloud server judges whether the stored production information and product flowing place are consistent with the product information provided by the mobile terminal and the customer geographical position or not to realize product authenticity judgment, and the judgment result is fedback to the customer mobile terminal. The product information and the anti-counterfeiting quick response code are printed on the label through a real-time cloud end, the product authenticity identification is conducted by combining the user geographical position, and the anti-counterfeiting safety of the quick response code is improved.

The invention discloses an intelligent reading-writing sitting posture correction device, and a main body structure of the circuit hardware of the device comprises a processing unit, a storage unit, and a power supply. The power supply is electrically connected with the processing unit and the storage unit, so as to provide electric energy. The processing unit comprises a collection module, a human body contour image processing module, a pixel coordinate generation module and an alarm module, wherein the collection module, the human body contour image processing module, the pixel coordinate generation module and the alarm module are sequentially in information connection. The device achieves the effective correction of the sitting posture of a teenager during writing. The device is simple in structure, corrects the sitting posture of a writer according to the human body contour feature information, is simple and reliable in technology, and is economical and practical. In order to avoid the impact on a human body contour image from the growth of a writer or the position where the intelligent reading-writing sitting posture correction device is located, the device updates and obtains one standard human body contour image for each writer and the relative position of the intelligent reading-writing sitting posture correction device to the writer. In use, the intelligent reading-writing sitting posture correction device is not affected by the environment of the writer, and is wide in application range.

The invention discloses a novel reducing agent for repairing a contaminated site. The novel reducing agent is prepared from the following components in percentage by mass: 70 percent to 95 percent of micron iron powder and 5 percent to 30 percent of an auxiliary agent, wherein the auxiliary agent is prepared from the following components in percentage by mass: 45 percent of xanthan gum, 54 percent of waste molasses and 1 percent of acetic acid bacteria powder. The reducing agent can also be used for effectively avoiding deposition and agglomeration phenomena in a utilization process of the micron iron powder, and uniform dispersion degrees of the micron iron powder in a polluted soil body and a polluted water body are remarkably improved; an oxidation-reduction potential of a reaction system is greatly reduced, and the reduction removal rate of the micron iron powder on pollutants in the soil and underground water is remarkably improved; the potential of hydrogen of a balance reaction system can be effectively balanced; finally, efficient reduction and recovery of the pollutants in the soil and underground water is realized. Meanwhile, the invention further provides a preparation method of the reducing agent; the utilization rate of waste materials can be realized, the preparation cost is low and the operation is simple and easy.

The invention belongs to the technical field of whole tailings paste filling, and particularly relates to a whole tailings paste continuous agitating machine provided with a liquid level regulation and control device. The whole tailings paste continuous agitating machine comprises the liquid level regulation and control device and a U-shaped material discharging structure, wherein the height of the liquid level regulation and control device is less than that of an agitating tank and greater than that of an agitating machine blade; the paste in the agitating tank can only overflow from the upper part of the liquid level regulation and control device under the stop action of the liquid level regulation and control device, so as to control the liquid level of the paste in the agitating tank;the U-shaped material discharging structure is a space defined between a bearing and the liquid level regulation and control device; a material outlet is formed in the bottom of the U-shaped materialdischarging structure; the paste overflowing from the upper part of the liquid level regulation and control device enters the U-shaped material discharging structure and flows out through the materialoutlet. The agitating machine disclosed by the invention realizes accurate control on a transporting and moving mode of a material in an agitating process by combining the characteristics of the continuous agitating machine and designing the liquid level regulation and control device inside the agitating machine.

The invention belongs to the field of molecular biology, and discloses a long-distance PCR amplification method for difficulties such as harsh amplification conditions of longer gene sequences. The amplification method includes the following steps: designing primers, establishing a reaction system, and synthesizing After the primers are added to the established reaction system, the thermal cycle reaction is carried out under certain conditions. After the reaction is completed, the size of the amplified molecule is detected by electrophoresis to confirm that the amplification of the target fragment is completed. The present invention has the advantages of low cost, less materials, etc. advantage.

The invention discloses a production method of a magnetic immobolized enzyme. The method comprises a sol formation step by reaction substrates, a magnetic material and enzyme inclusion, a gelling step and the like. The production process of the magnetic immobolized enzyme is realized; the production safety and the production operability are improved; the production process is simplified; meanwhile, the magnetic inclusion and the gelling are more uniform; the enzyme stability of the magnetic immobolized enzyme is improved.

The invention provides an unmanned aerial vehicle cluster formation method. The unmanned aerial vehicle cluster formation includes a master vehicle and a plurality of sub vehicles; and each sub vehicle stores a sub vehicle ID number of the sub vehicle in advance. The method comprises: creating a wireless local area network; sending out a cluster formation instruction; identifying the cluster formation instruction; and responding to the cluster formation instruction. Therefore, the unmanned aerial vehicle cluster formation is easy to realize; the support range is wide; and the reliability is high.

The invention relates to a device for recording and detecting automatic production line procedures, which comprises record carrier pins, record writing pins, detection proximity switches and a reset oblique wedge. The record carrier pins are arranged on a body which is arranged on a workpiece follower clamp; the record writing pins are arranged on a machine tool fixing clamp of each procedure, and after the follower clamp reaches a corresponding position of the fixing clamp, the record carrier pins and the record writing pins corresponding to the record carrier pins are arranged side by side in the conveying direction; the detection proximity switches are arranged on a fixing clamp of a supplementary processing unit, and after the follower clamp reaches the corresponding position of the fixing clamp, each record carrier pin and each detection proximity switch corresponding to the record carrier pin are arranged side by side in the conveying direction; and the reset oblique wedge is arranged in a linear tail conveying passage and arranged side by side with each record carrier pin in the conveying direction. The device adopts the record carrier pins to record and adopts a proximity switch set to detect; and the complete set of proposal technology is simple and reliable.

The invention belongs to the technical field of preparation of functional macromolecule materials, and discloses a preparation method of a polymer anion exchange membrane. The preparation method comprises the following steps: carrying out partial imidazolium treatment on two polyetheretherketone macromolecules with different chloromethylation degrees, blending to obtain an anion exchange membranewith a bicontinuous phase separation structure, and carrying out self-cross-linking on the anion exchange membrane with the bicontinuous phase separation structure through heat treatment to obtain thepolymer anion exchange membrane. According to the invention, by using two macromolecules with different chloromethylation degrees, the macromolecules can simultaneously contain the chloromethyl and the cationic group by controlling the content of an ionization reagent methylimidazole, an anion exchange membrane with a bicontinuous phase separation structure can be formed after mixing and membraneforming, and heating-annealing treatment is carried out to initiate the reaction of the chloromethyl in the membrane to form a self-cross-linking structure, so that the ion conduction and the stability of the anion exchange membrane are greatly improved.

The invention discloses a test system and a test method for normal emissivity of a solar selective coating. The test system comprises a vacuum heating mechanism, a black body, a temperature control mechanism, a measuring mechanism, a driving mechanism and a computer processing mechanism, wherein the temperature control mechanism controls running of the vacuum heating mechanism and the black body, the driving mechanism drives running of the measuring mechanism, and the measuring mechanism detects energy of a to-be-tested sample and the black body respectively, converts detected energy into a voltage signal and sends the voltage signal to the computer processing mechanism. The test system has the advantages of simpleness, low cost, stable performance and convenient operation, and the test method the advantages of easiness, reliable technology and high test efficiency.

The invention relates to the technical field of intelligent power modules, and discloses a chip packaging method, a chip and an electronic device. The packaging method comprises the steps that a cut wafer is provided to prepare a power semiconductor chip, wherein the power semiconductor chip comprises a grid electrode, a first emitting electrode and a second emitting electrode; high-temperature adhesive films are attached to the surfaces of the grid electrode and the first emitting electrode; the power semiconductor chip is mounted on the electronic packaging substrate; the electronic packaging substrate and a lead frame are assembled to realize electric connection between all the components; a driving control chip is mounted on the lead frame, and electric connection is realized; the high-temperature adhesive films are removed; the connection between the driving electrode of the driving control chip and the grid electrode and the connection between the first emitting electrode and the lead frame are realized; and plastic packaging, post-curing, photoresist removal, electroplating and rib cutting are carried out. According to the packaging method disclosed by the invention, the problem of grid pollution generated in the combination process of the lead frame and the chip can be prevented, and the reliability of the grid bonding wire is enhanced.

The invention discloses a spraying material for the inner surface of an electricity channel of a diamond type power distribution network, a preparation method thereof and the electricity channel. The spraying material is prepared from the following components in percentage by mass: 23% to 26% of Fe2B, 21% to 24% of Fe4N, 17% to 20% of MnAl4, 14% to 17% of V6Si5, 8% to 11% of AlMo3 and the balance of alpha-Nb5Si3. The spraying material provided by the invention is sprayed to the inner surface of the electricity channel of the diamond type power distribution network through hypersonic flame, a compact amorphous coating can be obtained at a relatively slow cooling rate, the wear resistance is high, the electricity channel is not damaged by a steel wire rope, the free bending of a PVC pipe is not influenced, stability and reliability are achieved, and the construction progress can be effectively accelerated and accident potential can be avoided.

The invention discloses a circulating fluidized bed boiler for 20t / h efficient burning Fujian anthracite. The circulating fluidized bed boiler is characterized in that a refractory belt is laid on the upper portion of a hearth dense-phase area or / and in the middle of a dilute phase area; secondary air is fed in through two or more than two groups of nozzles, each group of nozzles comprise four nozzles which are placed at four corners of a hearth respectively, and the secondary air is in tangent circuit arrangement on the same horizontal plane or staggered-layer tangent circuit arrangement; and a hearth combustion chamber is of a thin high structure. According to the technical scheme, the circulating fluidized bed boiler can well adapt to burning of the Fujian anthracite and guarantees that the Fujian anthracite can be on fire stably and is high in burn-off rate. The circulating fluidized bed boiler is simple to achieve, and small and medium boiler of the same kind can be widely applied to industries of chemical engineering, papermaking, printing and dyeing and foods and the like which all need steam heating.

The invention discloses a circuit structure for improving the short-circuit protection performance of a large-sized direct-current (DC) battery pack by using a capacitor. The circuit structure comprises the large-sized DC battery pack, a discharge field effect transistor (FET), a protection capacitor and a battery management system and is characterized in that the power positive pole of the large-sized DC battery pack is connected with a load, the power negative pole of the large-sized DC battery pack is in series connection with the discharge FET, the drain electrode of the discharge FET is connected with the large-sized DC battery pack, the source electrode of the discharge FET serves as the battery negative pole of the large-sized DC battery pack and is externally connected with the load, and the grid electrode of the discharge FET is connected with the battery management system which is used for monitoring the safety of a whole circuit; the protection capacitor is further parallelly connected between the drain electrode and source electrode of the discharge FET. According to the circuit structure, the loop inductive reactance of a short-circuited circuit is lowered through arranging the capacitor, and meanwhile, the time for the short-circuit protection of a whole circuit system is prolonged through storing current by the capacitor; the circuit arrangement is simple and convenient, so that not only is the short-circuit protection performance of the overall circuit not affected, but also the reliability and cost performance of the entire short-circuit protection circuit are improved.