31results about How to "Avoid technical problems" patented technology

The invention discloses an intelligent public transportation system with unmanned driving and field return charging functions.The intelligent public transportation system comprises a management platform, a vehicle-mounted terminal, a network traffic control system, a user terminal, a charging station management terminal and a cloud data management terminal.The vehicle-mounted terminal comprises an unmanned intelligent driving system, an automatic charging electricity receiving system, a vehicle status monitoring system, an identity information recognition system and a charging system, all of which are connected with the management platform.The unmanned intelligent driving system and the vehicle status monitoring system are both connected with the cloud data management terminal.The identity information recognition system and the charging system are both connected with the user terminal, and the identity information recognition system is connected with the charging system.The charging station management terminal is connected with the cloud data management terminal.The electric vehicle technology and the unmanned driving technology are combined, a cloud data analysis and intelligent management system achieves a special vehicle use operating mode, and on the premise that safe vehicle use is guaranteed, an individual, intelligent and green public transportation means is provided for a user.

The invention discloses an automobile whistling and red light running snapshot system. The system comprises a signal lamp state detection unit, a vehicle detection unit, a GPS positioning unit, a whistling noise acquisition unit, a whistling noise identification unit, a sound source positioning unit, an image acquisition unit, a central control unit and a traffic center management unit. The signal lamp state detection unit, the vehicle detection unit, the GPS positioning unit and the image acquisition unit are connected with the central control unit. The whilsting noise acquisition unit, the whistling noise identification unit and the noise source positioning unit are successively connected and then are connected with the central control unit through the noise source positioning unit, and the central control unit is in communication connection with the traffic center management unit via a 4G wireless network. According to the invention, the system solves the problems of red light running and whistling capturing on a quite densely-populated street, can detect position and capture whistling and red light running vehicles, and facilitates management and improvement of traffic and residents' life by traffic management personnel.

The invention provides a hoisting method for a large-span hinged type herringbone steel arch. The hoisting method comprises the steps of conducting hinge joint connection, setting hoisting points, installing hoisting rings, determining the lengths of hoisting steel wire ropes, hoisting and the like. According to the hoisting method for the large-span hinged type herringbone steel arch, due to integral and multipoint hoisting, the technical problems that hinge pin installation in high attitude is difficult, high in construction cost, low in working efficiency and the like are effectively solved. In addition, due to the facts that two hoists are used for hoisting, multipoint hoisting is adopted, and the hoisting points are set reasonably, the situation that the herringbone steel arch deforms due to lack of rigidity in the hoisting process is avoided. Due to the fact that the hoisting steel wire ropes with suitable lengths are selected, the installation angle of the herringbone steel arch is effectively controlled, and two column feet is made to be positioned on bases easily.

The invention provides a method and device for synchronizing a data route in a distributed data storage system. The method comprises a step of distributing the only version number to route grids in the distributed data storage system according to the incremental principle, wherein each route grid is used for recording routes of data in the distributed data storage system, a step of obtaining a local route version number of a client side through the distributed data storage system, a step of determining data routes lacked by the client side according to the version numbers distributed to the route grids in the distributed data storage system and the local route version number of the client, and a step of sending the determined data routes lacked by the client side to the client side.

The invention relates to a method for continuously producing p-menthane hydroperoxide by p-menthane and a device thereof. The method comprises the following steps of: 1, blowing an oxidizing gas into an oxidizing tower, adding a mixed solution comprising p-menthane and a catalyst radical initiator into the oxidizing tower to ensure that the gas is in fully contact with the p-menthane solution for carrying out oxidizing reaction; 2, carrying out gas-liquid separation on oxidation products, refluxing a part of p-menthane hydroperoxide products to the oxidizing tower, conveying the left p-menthane hydroperoxide products to a cooler from a discharging hole at the middle of a gas-liquid separator through the other branch pipeline, and entering an intermediate storage tank after cooled; and 3, sending the p-menthane hydroperoxide products in the intermediate storage tank into an evaporator for evaporating and concentrating as well as purifying, then cooling and sending into a product storage tank, and refluxing unoxidized products evaporated by the evaporator to a raw material mixing tank. The invention also relates to a device for implementing the method for continuously producing the p-menthane hydroperoxide by the p-menthane. The p-menthane hydroperoxide produced by using the method in the invention has the advantages of high purity, good quality, stable and safe production process and convenient operation.

The invention discloses an intelligent traffic system capable of automatic control of automobile braking. The system comprises a signal lamp state detection unit, a vehicle detection unit, a vehicle speed detection unit, a GPS positioning unit, an automobile brake unit, a whistling noise acquisition unit, a whistling noise identification unit, a sound source positioning unit, an image acquisition unit and a central control unit. The vehicle speed detection unit, the GPS positioning unit, the automobile brake unit and the image acquisition unit are connected with the central control unit. The whistling noise acquisition unit, the whistling noise identification unit and the noise source positioning unit are successively connected and then are connected with the central control unit through the noise source positioning unit, and the central control unit is in communication connection with a traffic center management unit via a 4G wireless network. According to the invention, the system can automatically perform braking on overspeed vehicles and capturing on whistling vehicles and red light running vehicles, solves the problems of easily occurring rear collision of automobiles and capturing of the whistling vehicles and red light running vehicles, can effectively reduce safety accidents and improves the life environment of residents.

The invention discloses a synthesis method of argatroban .The method includes the step of making a compound II of a structure shown in the formula II make contact with and react with a hydrogen donor under the catalytic transfer hydrogenation conditions through the catalyst to obtain an argatroban rough product, wherein the hydrogen donor is formic acid or formate, and the formula II can be seen in the description .By means of the method, formic acid or formate serves as the hydrogen donor, the compound II is subjected to hydrogenation and reduction to obtain argatroban .By means of the method, in the hydrogenation and reduction process of the compound II, catalytic transfer hydrogenation reaction replaces catalytic hydrogenation reaction, operation steps are simplified, the problems on the aspects of technology and safety caused by hydrogen application are solved, reaction dangerousness is reduced, reaction conditions are mild and easy to control, and the method is more suitable for industrial application and production of argatroban.

The invention provides a processing method and device for shared information and a computer readable storage medium. According to the embodiment, on the one hand, interactive operation by a first useron shared information provided by a second user is acquired, interactive resources, capable of being obtained by the first user, of the shared information are determined according to the interactiveoperation and interactive resource transfer rules of the shared information, the interactive resources, capable of being obtained by the first user, of the shared information can be transferred to a resource account of the first user, and the second user, namely a sharing user does not need to perform repeated operation on the shared information through an application to perform interactive feedback operation on a browsing user participating in the interactive operation. In this way, the technical problem that in the prior art, the sharing user performs repeated operation on the shared information through the application to perform interactive feedback operation on the browsing user participating in the interactive operation, and consequently data interaction between the application and acorresponding processing engine is increased can be effectively avoided, and therefore the processing burden on the processing engine of the application is lowered.

The invention provides a method of culturing pearls by using pearl nucleuses with tissue engineering scaffolds. The method is characterized in that a layer of degradable high-molecular polymer with a uniform thickness, serving as a tissue engineering scaffold, is attached to the surface of a pearl nucleus which is to be implanted into a pearl mussel; the tissue engineering scaffold is three-dimensional network space capable of accommodating and growing cells; mantle tissue of pearl shells is separated into single existent free mantle cells by using the enzyme digestion method and a mantle cell suspension with a certain cell density is prepared; mantle cells are attached to the pearl nucleus and then the pearl nucleus and the mantle cell suspension are implanted in a nucleus insertion position of the pearl mussel for culture of a nucleus pearl. The method is simple in operation, requires no in-vitro culture of cells and solves the problem of high technology and equipment requirements of a cell culture method; aseptically packaged pearl nucleuses can be directly transported to culture sites for operation and the transportation is convenient; the method has low requirements for equipment and operators, reduces the production cost greatly and is suitable for large-scale production and application.

The invention discloses an aircraft modeling method based on a maximum information-reliability online identification criterion. The technical problems that the proving correctness of aerodynamic models and parameters verified by a flight test is poor caused by a simplified model identification criterion are solved. The technical scheme includes that data lengths are considered and reliable parameters are introduced in a maximum information criterion, an online modeling criterion is corrected, the division of U-D of Rj and Rj+1 is evaluated for the measurement variance, and a scalar online model selection and verified discriminant is obtained. The method has the advantages that aerodynamic models and moment models of an aircraft can be established on line directly in accordance with flight test data, and the technical problems of aircraft high attack angle model establishment and verification according to flight tests caused by a simplified model determination criterion are solved.

The invention discloses a double-cylinder mutual-control axial displacement mechanical lock. The double-cylinder mutual-control axial displacement mechanical lock comprises a lock head body, a lock cylinder, a gate and a key, wherein the lock cylinder is divided into an upper cylinder body and a lower cylinder body; the lower cylinder body can shift in the axial direction in the lock head body; upper and lower locking mechanisms are disposed between the upper and lower cylinder bodies and the lock head body respectively; the key is provided with upper and lower face key grooves which are used for decoding the upper and lower locking mechanisms respectively; the lower cylinder body is further provided with a control mechanism used for controlling the upper locking mechanism; before the lower cylinder body moves in place in the axial direction, the upper locking mechanism does not meet the decoding condition; when the key decodes the lower locking mechanism firstly and then the key is used for pushing the lower cylinder body to move in place backwards in the axial direction, the gate is closed, at the same time, the control mechanism decontrols the upper locking mechanism so that the key can decode the upper locking mechanism, and the upper and lower cylinder bodies are driven by the key to rotate together so as to achieve unlocking. A novel idea and a novel method which exchange time difference with position difference are adopted, and the double-cylinder mutual-control axial displacement mechanical lock is one of locks which are the most effective and capable of preventing technical and violent unlocking at present in the world.

The invention relates to the technical field of industrial inspection, in particular to an infrared ray based high accuracy tachometer. The infrared based high accuracy tachometer comprises an infrared emitter fixed onto a rotary shaft for transmitting an infrared signal, an infrared receiver for receiving the infrared signal emitted by the infrared emitter, a time limit unit for outputting a timing control signal; a switch unit for starting the infrared receiver and simultaneously controlling the time limit unit to output a time control signal, a data detection unit for detecting the number of infrared signal receiving of the infrared receiver, a central processor for receiving the timing control signal, closing the infrared receiver when the detection time is ended, receiving the number of the infrared signal receiving of the infrared receiver, which is detected by the data detection unit, and processing the set time and the number of the infrared signal receiving to obtain a data signal of the rotation speed, and a display unit for receiving the data information of the rotation speed, which is obtained by the central processor, and displaying the data of the rotation speed.

The invention relates to an equivalent model for simulating a tunnel blasting excavation test and a using method thereof. The model comprises a main box body used for the tunnel excavation test, the main box body is of a #-shaped steel plate combined structure, and plates are connected through high-strength bolts; a pre-embedded monitoring unit is arranged in the main box body and is connected with a computer through a lead hole; aninjection device is slightly smaller than the hole size and is located in the hole mouth, an air bag belt is arranged on the outer side of the wall of the shell and connected with a pneumatic pump, and the whole hole gap is filled with the air bag belt after inflation; a liquid storage box is embedded in a box clamping groove, a pusher is located at the lower end of the liquid storage box, and an inner pushing device and an outer pushing device are independently arranged and controlled by a rotating pulley. The tunnel blasting excavation process can be effectively simulated, the operation is simple, and the degradation influence on materials in the injection process can be fully considered; the surrounding rock damage variable is equivalent to the model by utilizing the similarity ratio, so that the loosening and deterioration effect of the surrounding rock in the blasting excavation process can be effectively simulated, and the engineering practice characteristics are comprehensively reflected.

The invention provides an intelligent transportation system capable of automatically controlling the braking of automobiles. The intelligent transportation system comprises a signal lamp state detection unit, a vehicle detection unit, a vehicle speed detection unit, a GPS unit, an automobile braking unit, a toot noise acquisition unit and a toot noise identification unit, a noise source positioning unit, an image acquisition unit and a central control unit. The vehicle speed detection unit, the GPS unit, the automobile braking unit and the image acquisition unit are all connected to the central control unit. The toot noise acquisition unit, the toot noise identification unit and the noise source positioning unit are connected successively and then the noise source positioning unit is connected to the central control unit. The central control unit is in communication with a traffic center management unit via a 4G wireless network. The intelligent transportation system can automaticallybrake over-speed vehicles, snapshots tooting vehicles and vehicles running through red lights, solves problems that the automobiles are liable to suffer from rear-end collision and to run through redlights, and the snapshot of the tooting vehicles, can reduce safety accidents and improve the living environment of residents.

The invention provides a hoisting method for a large-span hinged type herringbone steel arch. The hoisting method comprises the steps of conducting hinge joint connection, setting hoisting points, installing hoisting rings, determining the lengths of hoisting steel wire ropes, hoisting and the like. According to the hoisting method for the large-span hinged type herringbone steel arch, due to integral and multipoint hoisting, the technical problems that hinge pin installation in high attitude is difficult, high in construction cost, low in working efficiency and the like are effectively solved. In addition, due to the facts that two hoists are used for hoisting, multipoint hoisting is adopted, and the hoisting points are set reasonably, the situation that the herringbone steel arch deforms due to lack of rigidity in the hoisting process is avoided. Due to the fact that the hoisting steel wire ropes with suitable lengths are selected, the installation angle of the herringbone steel arch is effectively controlled, and two column feet is made to be positioned on bases easily.

The invention discloses a method and device for storing data to an Hbase based on Siddhi. The problem that in the prior art, existing streaming data storage has high requirements for the technology and the environment is mainly solved. The method for storing the data to the Hbase based on the Siddhi comprises the steps of: presetting parameters in a whole SiddhiQL statement; then, inheriting a Sink abstract class of Siddhi, realizing a core abstract method in the Sink abstract class, and completing the construction of a user-defined Sink framework; and storing the stream data into the Hbase in batches by triggering conditions. According to the scheme, the purpose of reducing technical requirements and environment requirements required by stream data storage is achieved, and the method has very high practical value and popularization value.

The invention discloses a blade lock with the radial displacement being mutually controlled through a front locking mechanism and a rear locking mechanism. The blade lock comprises a lock body, a lock cylinder, a front brake bolt, a rear brake bolt, a front blade mechanism, a rear blade mechanism, a lock gate and a key. The front brake bolt and the rear brake bolt are arranged side by side between the lock body and the lock cylinder and matched with the front blade mechanism and the rear blade mechanism which are installed inside the lock cylinder to form the front locking mechanism and the rear locking mechanism respectively. The front locking mechanism controls the rear locking mechanism to rotate. The rear locking mechanism controls decoding conditions of the front locking mechanism through a control mechanism. Before the rear brake bolt moves in place, the front locking mechanism does not have the decoding conditions. After the rear locking mechanism is decoded, a spring pushes the rear brake bolt to move downwards in place in the radial direction, the lock gate is closed at the time, control over the front locking mechanism is released by the control mechanism so that the key can decode the front locking mechanism, and unlocking is achieved by rotating the lock cylinder. According to the blade lock, the novel idea and method for replacing time difference with potential difference is adopted, and at present, the blade lock is one of the most effective locks for preventing technological unlocking and violent unlocking in the world.

The present invention provides a liquid level control system and method. The present invention achieves a uniformly soaking process of a substrate during different segments of a fixed time period, by using a liquid removal device to gradually remove a processing liquid from a tank. The substrate is disposed in the liquid in the tank to be wet processed. By the removal of the liquid from the tank via the liquid removal device, an area of the portion of the substrate being processed by the liquid can be gradually decreased whereby the substrate can be uniformly processed.

The invention discloses a mechanical lock with a twin-core mutual control trap-type blade mechanism. The mechanical lock comprises a lock head body, a front lock cylinder, a rear lock cylinder, a front locking mechanism, a rear locking mechanism, a lock gate and a key; the front locking mechanism is the blade mechanism which comprises a stopper and at least one blade, the blade is used for being matched with the bottom of the stopper, and the blade is provided with a code groove and at least one trap groove; the rear lock cylinder is further provided with a control mechanism used for controlling the stopper, and the stopper cannot drop down until the rear lock cylinder moves in place; on the contrary, the rear locking mechanism is decoded, and when the rear lock cylinder moves backwards in place in the axial direction, the stopper drops down; when the stopper drops into the code groove of the blade, the front locking mechanism is decoded, meanwhile, the lock gate is closed, and the front lock cylinder and the rear lock cylinder are driven by the key to rotate together to open the lock; when the stopper drops into the trap groove of the blade, the front locking mechanism is not decoded and the blade cannot move. According to the mechanical lock with the twin-core mutual control trap-type blade mechanism, a new idea and a new method of replacing position differences by time differences are adopted, the mechanical lock is one of the most effective locksets which can prevent unlocking technically and violently in the world at present.

The invention provides a method and a device for simulating removal of a data covering layer. The method includes that target data are acquired; at least one covering layer is used for covering the target data; the target data covered by the covering layer are displayed; when trigger for removing the covering layer is monitored, the covering layer for covering the target data is removed, and the target data are displayed. By means of the method and the device for simulating removal of the data covering layer, virtual covering of the target data on a terminal and simulating of removal of the target data covering layer can be achieved, and technical problems caused by processing of target data carried on real objects at present can be avoided.

The invention discloses an aircraft modeling method based on a maximum information amount on-line identification criterion. The aircraft modeling method based on the maximum information amount on-line identification criterion is used for solving the technical problem that an existing simplified model identification criterion enables a pneumatic model and parameter calibration correctness given through flight test to be poor. The technical scheme is that the data length is considered and an on-line modeling criterion is revised according to the maximum information amount criterion; and an on-line model selecting and verifying discriminant is obtained through U-D disintegration of measurement variance estimates Rj and Pj+1. The aircraft modeling method facilitates on-line building of an aerodynamic force model and a force moment model of an aircraft according to flight test data directly, and solves the technical problem existing in building and verifying process of an aircraft high-incidence model according to a flight test.

The invention discloses a mechanical lock of a double-core mutual control trap type blade mechanism, which comprises a lock head body, front and rear lock cores, front and rear locking mechanisms, a gate and a key; the front locking mechanism is a blade mechanism, and the blade mechanism includes a The tumbler and at least one blade for mating with the bottom of the tumbler, the blade is provided with a combination slot and at least one trap slot; the rear lock cylinder is also equipped with a control mechanism for controlling the tumbler, and the rear lock cylinder is not moved in place. Front, the tumbler cannot fall; anti-rear locking mechanism decodes, when the rear lock cylinder moves backward along the axial direction, the tumbler falls, when the tumbler falls into the password slot of the blade, the front locking mechanism decodes, and the gate is closed at the same time, the front , The rear lock cylinder rotates together under the drive of the key to unlock; when the tumbler falls into the trap groove of the blade, the front locking mechanism is not decoded and the blade cannot move. The present invention adopts a new idea and a new method of exchanging position difference for time difference, and is one of the most effective prevention techniques and locksets for violent unlocking in the world at present.

The invention discloses a nitrogen content detection method for infant formula milk powder and belongs to the field of milk powder nitrogen detection. With the nitrogen content detection method for the infant formula milk powder of the invention adopted, a common user can remotely detect the infant formula milk powder through an Internet of Things technology; technical and theoretical thresholds for detecting the nitrogen content of the infant formula milk powder are avoided. According to the method, a user scans a commodity two-dimensional code on an infant formula milk powder subject througha mobile terminal to obtain the production batch information of the infant formula milk powder subject and uploads the corresponding production batch information to a cloud memory; the cloud memory uploads data to an Internet of Things module; and the Internet of Things module calls and summarizes the data; since data acquired by a milk factory detection processing terminal and a third-party laboratory detection processing terminal are summarized and sorted, so that the common user can clearly know the quality of milk powder to be purchased by the user, and irreversible damage to infants dueto the purchase of low-quality milk powder can be almost avoided.

The invention discloses a synthesis method of argatroban .The method includes the step of making a compound II of a structure shown in the formula II make contact with and react with a hydrogen donor under the catalytic transfer hydrogenation conditions through the catalyst to obtain an argatroban rough product, wherein the hydrogen donor is formic acid or formate, and the formula II can be seen in the description .By means of the method, formic acid or formate serves as the hydrogen donor, the compound II is subjected to hydrogenation and reduction to obtain argatroban .By means of the method, in the hydrogenation and reduction process of the compound II, catalytic transfer hydrogenation reaction replaces catalytic hydrogenation reaction, operation steps are simplified, the problems on the aspects of technology and safety caused by hydrogen application are solved, reaction dangerousness is reduced, reaction conditions are mild and easy to control, and the method is more suitable for industrial application and production of argatroban.

The invention discloses a double-core mutual control axial displacement mechanical lock, which comprises a lock head body, a lock core, a gate and a key; the lock core is split into an upper core body and a lower core body; The upper and lower locking mechanisms are installed between the upper and lower cores and the lock body, and the key is provided with upper and lower key grooves to decode the upper and lower locking mechanisms respectively; the lower core is also equipped with To control the control mechanism of the upper locking mechanism, the upper locking mechanism does not have the decoding conditions before the lower core moves in place in the axial direction; when the key first decodes the lower locking mechanism, then use the key to push the lower core to move backward in the axial direction When it is in place, the gate is closed, and the control mechanism releases the control of the upper locking mechanism at the same time, so that the key can decode the upper locking mechanism, and the upper and lower cores rotate together under the drive of the key to unlock. The present invention adopts a new idea and a new method of exchanging position difference for time difference, and is one of the most effective prevention techniques and locksets for violent unlocking in the world at present.

The invention discloses a solar power supply LoRa oil well instrument with a positioning function. The solar power supply LoRa oil well instrument comprises a photovoltaic panel; a solar controller connected with the photovoltaic panel; a micro-control unit connected with the solar controller; a LoRa wireless module connected with the micro-control unit; a wireless sensor connected with the micro-control unit; an integrated indicator, a three-phase wireless electric parameter, a wireless temperature transmitter and a wireless pressure transmitter connected with the wireless sensor. When the uplink data of the LoRa wireless module is received by three or more than three base stations, the LoRa wireless module is positioned through a multi-point positioning technology. According to the invention, interconnection detection of the wireless sensing equipment is realized, a good detection authentication mechanism is established, and technology and business barriers caused by restricting the construction of the Internet of Things from product factors are avoided, so that the investment risk is reduced, and the construction result of the Internet of Things is ensured to be extensible, expandable, easy to maintain and low in cost.