144results about How to "Control security" patented technology

The invention discloses a security protection method of communication data of a special electricity public network, which provides secure and reliable data communication for the data communication ofthe special electricity public network by adopting the technical means of network isolation, right control, identity authentication and transmission encryption, realizes the purpose of securely usingthe public network for communication at any time and in any places without making any change to the application environment or software. In the process of application, a calling telecontrol communication security gateway (7) and a called telecontrol communication security gateway (9) are connected to a public network (8) by dialing; an encrypted public network communication channel is establishedfor the communication between a communication front-end processor (6) and a remote RTU (10); and the data is connected with the telecontrol communication security gateway (7) from the communication front-end processor (6) through a serial port or network, connected with the public network (8) through the calling telecontrol communication security gateway (7), connected with the called telecontrolcommunication security gateway (9) from the public network (8), and then connected with the remote RTU (10) through the serial port or the network. The invention can be widely applied to the field ofsecurity protection of the communication data of the public network.

A method to realize the instant communicative interactive video is characterized by comprising the following steps: The first step is that the terminal recording video is uploaded to the server by adding the attachments to the client end or the terminal recording video function is called after the landing of the client end and the recording video is uploaded to the server. The second step is that the server converts the video received into the format video file which can be played by the fixed format. The third step is that the server correspondingly stores the video file and the related information of uploading the ID of the user in the database. The fourth step is that the user reads the information of the video file from the database by the video website and plays the video file by the player inserted in the video website, or the user opens the dialog box, makes a request to the server, obtains the address of the video file or the address of the video website by calling the URL related to the ID of the user and then plays the video file by the player inserted in the dialogue box. The method provides a novel media form of uploading the video information.

The present invention relates to a double circular shield construction method passing through shallow covered earth belonging to the field of building engineering technology. Said construction method includes the following steps: 1, earlier stage preparation; 2, tracking and monitoring; 3, shallow covered earth construction; 4, passing through shallow covered earth and making secondary grouting; 5, emergency measure and ground surface bleeding treatment.

The invention discloses a supporting method for the construction of a swirl well. By using the supporting method, thin and long rod piece soil nails which are more densely arrayed are placed into an in-situ soil body in a foundation pit excavation process and a reinforced concrete pavement layer is sprayed on a slope surface. A composite soil body is formed by the common work of the soil nails, the soil body and the sprayed concrete pavement layer. A construction of the swirl well supported by a soil nail well comprises the following steps of: excavating one section of the base groove of the swirl well according to a small sloping coefficient; drilling holes by utilizing a drilling machine and putting an anchor rod; grouting and blocking; suspending a steel bar net sheet and spraying fine stone concrete to form a foundation side wall; gradually excavating and gradually carrying out combined bolting and shotcrete on the soil nails until the designed elevation of the foundation pit of the swirl well is achieved; and then, carrying out the section construction process of the cylinder wall of the reinforced concrete and an inner structure from bottom to top. By using the method, the supporting problem of a super-deep foundation pit under a hard soil layer environment is solved; and compared with a drop shaft sinking method, an underground diaphragm wall and a reverse process construction method, the method disclosed by the invention has the characteristics of simple construction process, low construction cost and fast construction speed.

The invention discloses a moisture absorption hot air circular drying oven. The moisture absorption hot air circular drying oven comprises a box body, a drying chamber and a hot air circulating pipeline, wherein the drying chamber and the hot air pipeline are arranged in the box body; a gap among the box body, the drying chamber and the hot air pipeline is taken as a thermal insulation layer; the hot air circulating pipeline is connected with a top plate of the drying chamber and a bottom plate of the drying chamber; a plurality of ventilation holes are distributed in the top plate of the drying chamber and the bottom plate of the drying chamber; the lower part of the bottom plate of the drying chamber is provided with support columns which are connected with the box body; a circulating fan is arranged in the hot air circulating pipeline; a moisture absorption device is arranged in the hot air circulating pipeline; the hot air circulating pipeline is connected with an air supplementing pipe; a plurality of partition plates are arranged in the drying chamber; the inner wall of the drying chamber is provided with a heating pipe, a temperature measuring device and a safety pipe; the other end of the safety pipe is communicated with the atmospheric air; a safety valve is arranged at one end where the safety pipe is communicated with the atmospheric air; a control processing device is arranged outside the box body; the bottom of the box body is provided with pulleys. By adopting the moisture absorption hot air circular drying oven, hot air can be used circularly to the maximum extent, and the drying efficiency is increased.

The invention belongs to the technical field of intelligent home access equipment, and particularly relates to an intelligent home wireless access device, system and method. The intelligent home wireless access device comprises a microprocessor module, a sensor module, a sensor access module, a wireless transmitting-receiving module, a power module, an alarming module and a display module. The sensor access module, the wireless transmitting-receiving module, the power module, the alarming module and the display module are all electrically connected with the microprocessor module, the power module is further electrically connected with the wireless transmitting-receiving module, the sensor module is electrically connected with the sensor access module, the sensor module collects work state information of household appliances and transmits the work state information of the household appliances to the microprocessor module in real time through the sensor access module, and the microprocessor module sends the collected information to a control host in an intelligent network through the wireless transmitting-receiving module. The intelligent home wireless access device, system and method are good in compatibility and high in reliability.

The invention discloses a data access control method and device, and belongs to the technical field of data safety. The method includes the following steps: setting authorization conditions for data access; determining data access requests that meet the authorized conditions; and carrying out an authorization operation, corresponding to the authorization conditions, applied on data according to the data access requests. The authorization conditions includes one or more, and the data is stored in a blockchain network. The method and device realize the safety isolation of the data and the precise control of the security access, satisfy multiple access requirements of users for the data and avoid risk problems of malicious access and tampering with the data to a certain extent at the same time, overcome corresponding drawbacks of the prior art in the field, and have a good application prospect.

The invention relates to an intelligent home system based on a wireless remote control technology. The intelligent home system comprises an IOT platform, an intelligent home controller, an intelligent home control centre, a mobile intelligent terminal and parameter detection equipment; the mobile intelligent terminal and the intelligent home controller are controlled through wireless communication; the mobile intelligent terminal and the intelligent home control centre are connected through a wireless network; the parameter detection equipment is used for detecting a parameter to be sampled of a house in real time and generating a corresponding parameter signal; and the intelligent home control centre sends the parameter signal detected by the parameter detection equipment to the IOT platform, such that control is carried out. According to the invention, the advanced technologies, such as an intelligent home technology, an indoor positioning technology, a sensor technology and a wireless transmission technology, are integrated; multiple functions, such as voice control, intelligent service discovery control, intelligent environmental adjustment, intelligent safety protection and intelligent energy-saving, can be realized; intelligent control and automatic control are realized; and thus, relatively high intelligent living requirements of people can be satisfied.

The invention discloses a three-dimensional positioning method and a positioning system for tower crane high-altitude operation based on binocular vision. The positioning method comprises the following steps: S1, a binocular camera collecting a first image and a second image; S2, preprocessing the first image and the second image; S3, using the pyramid model for positioning the marker, and determining the position of the marker; S4, carrying out stereo matching on that target centers of the first image and the second image to obtain parallax information; S5, obtaining that parameters of the binocular camera; S6, calculating that three-dimensional coordinates of the target accord to the parameters of the binocular camera and the parallax information. The invention can realize three-dimensional positioning function of tower crane operation with binocular vision, can real-time monitor and record site operation information, timely and effectively supervise the use process and behavior of the tower crane, effectively control dangerous factors and safety hidden dangers in the operation process of the equipment, and prevent and reduce the occurrence of safety production accidents of the tower crane.

The invention relates to a DC (Digital Certificate) based communication encrypting safety method, server and system, wherein the method comprises the following steps of: obtaining number information of users from a client side by a server side; creating the DC according to the number information, and sending to the client side; and receiving an encrypted data packet taking the DC and sent by the client side, and obtaining original transfer data from the encrypted data packet according to the DC. In the invention, the original transfer data at an MT (Mobile Terminal) are encrypted through the DC. As the DC is formed by encrypting in a proprietary algorithm at the server side, the availability and security control of data can be greatly enhanced. Even though the data are intercepted and captured in the process of transmitting, communication data cannot be cracked due to incapable of finding out related information of the MT and the encrypting algorithm of information, such as an IMEI (International Mobile Equipment Identity), an IMSI (International Mobile Subscriber Identity), an SMSC (Short Message Service Center) and the like, and thus, the availability and the security of data transmission at the MT are improved. The practical operability of the method is strong.

The invention discloses an intelligent steer-by-wire system and a variable transmission ratio optimization method. The steer-by-wire system comprises a steering wheel module, a road feel feedback module, a steering execution module, a sensor module and an ECU control module. The invention further provides a variable transmission ratio optimization method of the steer-by-wire system, so that the steering system can adjust the yaw angular velocity gain according to the vehicle speed and calculate the corresponding optimal transmission ratio so as to effectively improve the automobile control performance and reduce the driving burden of a driver.

The invention discloses a semi-inverse construction method of a cyclone well. The method comprises the following steps: 1) measuring, positioning and determining the center and the position of the well wall of the cyclone well; 2) firstly excavating the uppermost joint of well wall foundation pit; 3) performing earth excavation on the second section for forming the second joint of the well wall foundation pit; 4) binding the second joint of well wall steel bars; 5) mounting the second joint of well wall inside formwork; 6) pouring the second joint of well wall concrete; 7) completing the earth taking of the third section for forming the third joint of the well wall foundation pit; 8) binding the third joint of the well wall steel bars; 9) mounting the third joint of the well wall inside formwork; 10) pouring the third joint of well wall; 11) repeating the steps 8)-10) till the construction of the lowermost joint of the well wall is completed; 12) repeating the steps 9)-10) to complete the construction of the uppermost joint of the well wall; and 13) completing the construction of a concrete structure in the well.The method is suitable for construction environments which have better geological conditions and are limited by surrounding conditions.

The invention belongs to the medical management field and relates to an SOA (Service Oriented Architecture)-based hospital centralized data analysis application cloud platform. The platform comprisesa basic service layer, an intermediate layer, a functional module layer and an application layer; the basic service layer is used for providing computation infrastructure-as-a-service; the intermediate layer is used for operating resource management and network communication components; the functional module layer is used for providing hospital function service modules; and the application layer is used for providing personalized applications. With the cloud platform adopted, the problem of the information isolated islands of hospitals are solved; the integration of hospital information systems can be completed without need of reconstructing original systems; the hospital information system can easily realize cloud service; obstacles in locations and medical practice can be eliminated; patients and medical workers can be facilitated; the cloud service can greatly enhance medical data storage and computation capacities; and the cost of hospital informationization can be greatly reduced.

The invention discloses a damping force controllable viscous damper and an intelligent monitoring and control system of the damping force controllable viscous damper. The damper comprises a cylinder body, a piston and a piston rod, wherein the interior of the cylinder body is divided into a main cylinder and an auxiliary cylinder; the main cylinder is filled with a damping medium formed by polyethylene glycol and nanoscale silica particles; the silica particles are suspended and dispersed in polyethylene glycol in a fluid state; the piston is arranged in the main cylinder and can move back and forth in the axial direction of the main cylinder so as to drive the piston rod connected with the piston to move together; one end of the piston rod penetrates through a damping hole formed in the piston; and the other end of the piston rod extends into the auxiliary cylinder. The invention further discloses the corresponding intelligent monitoring and control system. With the adoption of the damper and the system, the damping force of the damper can be effectively controlled, and the operating state of the damper can be detected, fed back and adjusted in real time, so that the safety of an engineering structure is better protected.

The invention discloses a production technique of m-bromofluorobenzene, which takes o-fluoroaniline as main raw material and produces the m-bromofluorobenzene according to the process route of acetylation, bromination, hydrolysis, diazotization, deamination, water vapor rectification and rectification. The production technique introduces methylene dichloride solvent in the working procedure of acetylation, leads the product solid to be changed into solution which is not needed to be separated and is directly hydrolyzed; and the solvent is distilled out by the heat of neutralization reaction in the hydrolysis process, so that the problems of separation intoxication, low production capacity and low hydrolysis yield can be solved. The production technique of the m-bromofluorobenzene not onlyhas simple working procedure steps, greatly improves the safety and reduces the hurt for the people, but also has high reaction yield and low environmental pollution.

The invention provides a testing organization ERP management method. The testing organization ERP management method comprises the following steps of (S1) operational order receiving, (S2) operational order type judgment, (S3) personnel management, (S4) financial management, (S5) material management, (S6) quality management, (S7) technological management, (S8) production management, (S9) supply chain management, (S10) marketing management and (S11) system management. According to the testing organization ERP management method, the accuracy and instantaneity of data can be effectively ensured, and the disorder and the loss of the data can be avoided.

The invention discloses a novel straw recovery device. The novel straw recovery device comprises a feeding unit, a crushing unit, a spraying unit, a stirring and compressing unit, a conveying unit anda transmission speed-regulating distributing unit, wherein the feeding unit, the crushing unit, the spraying unit, the stirring and compressing unit and the transmission unit can be connected with apower source, and can also be connected with the power source through the transmission speed-regulating distributing unit. The device provided by the invention can effectively solve the following problems: a conventional straw recovery device needs to rely on a power supply as the power source to realize crushing and briquetting operation; meanwhile, due to separate arrangement of a straw crushingunit and a straw briquetting unit in the conventional straw recovery device, the conventional straw recovery device has complicated operation process, and briquetted straw is easy to fall apart; etc. The device provided by the invention can use a variety of powers, and can process and recover the straw with different process applications.

The present invention relates to a repeatable fuse for high current. The repeatable fuse includes: a housing provided with an inner space and a first lead terminal disposed on one side surface of the housing; a second lead terminal disposed on the side surface of the housing, wherein the second lead terminal is spaced from the first lead terminal; a movable contact plate disposed within the housing and electrically short-circuited with the housing, wherein the movable contact plate is electrically switched on-off with the first lead terminal or the first and second lead terminals; main and bias springs disposed within the housing, wherein the main and bias spring electrically switch on-off the first lead terminal and the movable contact plate or the first and second lead terminals and the movable contact plate; and a positive temperature coefficient thermistor inserted into the housing, wherein the positive temperature coefficient thermistor is electrically connected to the first and second lead terminals. The positive temperature coefficient thermistor includes a positive temperature coefficient device in which electric resistance increases at a temperature greater than a special critical temperature. The movable contact plate may be linked with the tension forces of the main spring and bias spring. That is, the movable contact plate may be linked to move in the direction in which the main spring and the bias spring are extended or compressed, thereby being electrically connected to or short-circuited with the first lead terminal or the first and second lead terminals.

The invention discloses an intelligent firearm locking and unlocking system. The intelligent firearm locking and unlocking system comprises a firearm body, a grip, a sear and a trigger. The intelligent firearm locking and unlocking system is characterized in that the firearm body is provided with an RFID (Radio Frequency Identification Device) reader; the RFID reader matches with at least one RFID chip outside the firearm; when the RFID reader is connected with a firearm unlocking device and can read data of the RFID chip, the firearm unlocking device is started, otherwise the firearm unlocking device is closed; the firearm unlocking device can limit the start and close of the firearm.

The invention discloses a large-span net rack external expansion assembly integral jacking construction method, which belongs to the field of building construction. The technical problem to be solvedby the invention is how to reduce the construction difficulty of large-span net rack structures of a spherical shell, a cylindrical shell, a flat plate and various special-shaped stadiums under complex conditions, reduce high-altitude operations, improve safety, and ensure the construction quality. The adopted technical scheme is that the large-span net rack external expansion assembly integral jacking construction method comprises the following steps of: assembly and jacking, that is, the net rack is assembled on the ground, and when the net rack is assembled to a stand position, a jacking bracket is installed, and the jacking work is stopped when the net rack is jacked by using the jacking bracket to a preset height to meet the next grid assembly; symmetrical external expansion assembly,that is, after the jacking work is stopped, symmetrical external expansion assembly is performed on completed space stiffness units from the center of the net rack to make the net rack continue to extend to the surroundings; adjustment of the number and locations of jacking points, that is, when performing expansion assembly outward, the number and positions of the jacking points of the net rackare adjusted according to calculation results; and unloading and dismantling.

The invention relates to a subway superlarge section tunnel underground excavation support replacement and main body structure construction method, and relates to a construction method. In order to solve the problem that potential safety hazards exist on an existing large-section multi-channel temporary median septum disassembling method, the construction method comprises the steps of after finishing excavation initial supporting and back grouting, pouring a concrete cushion, breaking a fifth layer of median septum concrete and a reinforcing mesh plate, paving a waterproof layer, then concreting a reinforcing steel bar and a template, and constructing a bottom plate structure; disassembling horizontal supports on two sides of a fourth layer, paving side wall waterproof layers, and constructing side wall structures; disassembling horizontal supports on two sides of a third layer, paving side wall waterproof layers, and constructing side wall structures and a lower middle layer plate; disassembling horizontal supports on two sides of a second layer, paving side wall waterproof layers, and constructing side wall structures and an upper middle layer plate; disassembling horizontal supports on two sides of a first layer, replacing an arch part vertical support, paving side walls and an arch part waterproof layer, and constructing the side walls and an arch part structure; and disassembling all vertical supports. The subway superlarge section tunnel underground excavation support replacement and main body structure construction method provided by the invention is applied in subway and tunnel projects.

The invention relates to an application of a solid-phase extraction column in analysis of tacrolimus preparation ointment. In the preparation process of the test sample, the solid-phase extraction column with diol silane bonded silica gel as a filler is adopted for purification, and through the steps of suspension, activating, sample loading, leaching and elution, the tacrolimus and related substances thereof in the tacrolimus ointment sample are effectively separated. Moreover, the organic solvent is saved, the time consumption is short, the specificity is good, auxiliary materials do not interfere with tacrolimus impurity detection, and the impurity recovery rate also meets the requirements. The method is particularly suitable for effectively separating tacrolimus and related substancesfrom a complex matrix of tacrolimus ointment.