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 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 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.

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 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 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 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.