470results about How to "Overcome security" patented technology

The invention discloses a polyamine guanidine salt polymer, its making method and uses wherein the polyamine guanidine salt polymer is the functionalized mother particles obtained through reaction between polyesters and polyundecaneamide, after mixing this mother particles with the common polyesters and polyundecaneamide by a finite proportion, various multifilament and plastic products can be obtained.

The invention discloses a truss combined beam and upper and layer connected light steel structure and a construction method thereof. The light steel structure comprises upper wall sheet columns distributed at intervals, lower wall sheet columns distributed at intervals, upper wall sheet column lower connecting pipes connected among the lower parts of the upper wall sheet columns, lower wall sheet column upper connecting pipes connected among the upper parts of the lower wall sheet columns, and truss combined beams connected between the upper wall sheet columns and the lower wall sheet columns through upper and lower connectors, wherein the upper and lower connectors are beam passing buckles, the web plates of the beam passing buckles consist of upper web plates and lower web plates, a square connecting port is formed between the upper web plates and the lower web plates, upper chord member connecting plates are extended from the left and right sides of the square connecting ports, and the upper chord member connecting plates and side plates of the beam passing buckles are positioned in the same plane. Through the light steel structure, the structural stability of a light steel keel house system is enhanced, and the floor surface beams, the connecting pipes and the floor panels do not easily vibrate.

The invention discloses a framework prestress anchor rod-reinforced supporting structure for a gravity type retaining wall and a construction method thereof. In the structure, a prestress anchor rod (3) penetrates through a crossed part of a cross beam (1) and an upright post (2) as well as a gravity type retaining wall (4) and is fixedly embedded inside a reinforced soil body; cement mortar is wrapped on the periphery of an anchor section (7) of the prestress anchor rod (3); a free section (13) of the prestress anchor rod (3) is coated with a layer of corrosion resistant material (14); a plastic casing (15) is sleeved outside the corrosion resistant material (14); and the end part of the prestress anchor rod (3) is anchored at the crossed part of the cross beam (1) and the upright post (2) by using an anchor head (5). The construction method comprises the following specific steps of: carrying out manufacturing and constructing on the prestress anchor rod (3); casting a capping crown beam (8), the upright post (2) and the cross beam (1); locking the anchor head (5) which is connected with the prestress anchor rod (3) in a fastening manner by using an anchor appliance (16); carrying out construction on the prestress anchor rod (3), the cross beam (1) and the the upright post (2) on next work surface according to the previous steps; finishing tensioning and anchoring of the prestress anchor rod (3) on each layer; and casting a foundation pile (9).

The invention discloses a non-contact unlocking method and system. The method comprises the following steps: step a, making an electronic lock periodically emit signals containing the equipment information of the electronic lock; step b, executing the following steps by a mobile device after receiving the signals emitted by the electronic lock: step b1, detecting whether an unlocking operation is performed or not by the motion sensor of the mobile device, step b2, determining whether the distance between the mobile device and the electronic lock is shorter than or equal to a preset distance stored in the mobile device according to the received signal strength after an unlocking operation is detected; step b3, if the answer is positive, determining the electronic lock is a verified electronic lock or not by inquiring the memory of the mobile device according to the received equipment information of the electronic lock, step b4, if the electronic lock has been verified, establishing a connection between the mobile device and the electronic lock, step b5, sending the stored authorization information to the electronic lock through an encrypted mode by the mobile device; step c, receiving and decrypting the authorization information, and finally sending and executing the unlocking command after the decrypted authorization information is verified.

The invention discloses a three-cylinder type large-capacity magneto-rheological damper for vibration control of a large civil engineering structure, which comprises a magneto-rheological damping cylinder (9), a puddle damping cylinder (5), an auxiliary cylinder (19), a magneto-rheological main piston (23), a puddle piston (6), a piston rod (17), a sealing baffle (20), a damping channel (16), a cylinder cover (3) and a spherical hinge joint (13), wherein magneto-rheological liquid (11) is filled in the magneto-rheological damping cylinder, and an annular excitation coil (8) capable of generating a magnetic field is arranged in the magneto-rheological damping cylinder; and the puddle damping cylinder is arranged adjacent to the magneto-rheological damping cylinder, and elastic puddle (7) is filled in the inner cavity of the puddle damping cylinder, thus the damper can generate large damping under the condition of large displacement, and the safety of the damper can be improved. By arranging a displacement splitting mechanism (18), the magneto-rheological damper has high rigidity and large damping in a low-frequency region and has low rigidity and small damping in a high-frequency region. Compared with the traditional magneto-rheological damper with the same size, the maximum capacity of the damper of the invention is improved by more than one time, and the vibration control of the large civil engineering structure is more effective.

The invention discloses an anti-condensation control method, device and air condition system used for a fixed frequency unit. The method includes detecting the evaporation temperature of a refrigerant agent in the fixed frequency unit in a refrigerating mode; performing fuzzy inquiry calculation on the detected evaporation temperature based on a pre-set fuzzy relation database so as to obtain a corresponding calculation result, wherein the fuzzy relation database includes the fuzzy relation between the evaporator temperature of the fixed frequency unit and the corresponding indoor environmental temperature; judging whether to perform anti-condensation control over the fixed frequency unit based on the calculation result; enabling the fixed frequency unit to enter a predetermined anti-condensation control mode when the judgment result shows that anti-condensation control over the fixed frequency unit is needed so as to realize the anti-condensation control over the fixed frequency unit. The scheme provided by the invention can overcome shortcomings of use inconvenience, large potential safety hazards and poor user experience and the like of the prior art and can achieve beneficial effects of use convenience, small potential safety hazards and good user experience.

The invention provides an optical network system, an optical line terminal, an optical network unit and an optical distribution network device. The optical network system comprises the optical line terminal, an optical distribution network and the optical network unit, wherein the optical line terminal is used for modulating and codling at least one path of descending signal subjected to the time-division multiple, outputting the coded signals after combining the coded signals into one path, receiving ascending signals and outputting the ascending signals after decoding the received ascending signals; the optical distribution network is used for outputting the received ascending signals after dividing the received ascending signals into multiple paths and outputting the received ascending signals to the optical line terminal after converging the received ascending signals into one path; the optical network unit is used for receiving the ascending signals output by the optical distribution network, outputting the received descending signals after decoding the received descending signals, coding a path of time-division multiplexing ascending modulation signals and outputting the coded signals to the optical distribution network; and the optical distribution network can decode the descending signals and code the ascending signals. The invention can realize a mixed passive optical network system based on time-division multiplexing technology and optical code division multiple access technology.

The invention discloses a single sign on system and method based on cloud management and key management. The system mainly comprises a cloud key sign on management system, a key user management system and an authority resource and user data supply service system, wherein the cloud key sign on management system is used for performing centralized identity authentication and audit recording at a user sign on inlet according to the user identity; the key user management system is used for merging all user identity information to a centralized storage bank and performing unified management on the user identity in each independent application; and the authority resource and user data supply service system is used for providing services for the user according to authority resources and user data. According to the single sign on system and method based on the cloud management and the key management, the defects of inconvenience for use, low safety and the like in the prior art can be overcome, and the advantages of high flexibility, high expansion capability, convenience for use and high safety are realized.

The invention discloses a privacy protection method based on blockchain cloud outsourcing computing data, and mainly solves the problem of high time complexity and scalability of the data privacy protection technology in the current cloud outsourcing computing process. The technical scheme is of using log information of a computing node to construct a blockchain, and using the blockchain technology to perform secure storage verification of the computing data; using the quorum technology to select a suitable computing node set for each round of computing to complete the computing task; and adopting a secure multi-party computing method based on threshold secret sharing to segment and reconstruct secret information. The privacy protection method based on blockchain cloud outsourcing computing data in the invention overcomes the problem that in the prior art, the computing network lacks the scalability and security and the complexity of the data verification process is high; and the scalability of the computing network and the efficiency of the computing process are greatly improved while the data privacy can be effectively ensured.

The invention provides a PTC heater control system and method for an automobile air conditioner controller. The PTC heater control system comprises a PTC heater target temperature determining module, a PTC heater signal control module, a PWM output climbing setting module and a PTC heater switching-on control module. The PTC heater target temperature determining module is used for superposing a first temperature compensation value and a second temperature compensation value with an air outlet automobile internal target temperature as a basic value so as to determine the target temperature of a PTC heater. The PTC heater signal control module is used for setting the PWM duty cycle of the PTC heater with a PI control method. By regulating the target temperature of the PTC heater in real time, the energy conservation of an automobile air conditioner system is guaranteed to the maximum; meanwhile, a whole automobile high-voltage power supply system, the PTC heater and an air conditioner case plastic shell are effectively protected, and the use safety of the automobile air conditioner system is guaranteed.

A surveillance system, a surveillance camera, and a method for security surveillance are provided. The surveillance system includes at least one first surveillance camera and a second surveillance camera electrically connected to the first surveillance camera via networks. When the first surveillance camera detects and determines that the second surveillance camera is disabled, the first surveillance camera changes a first viewing zone to overlap a second viewing zone of the second surveillance camera.

The invention discloses a light weight class safe protocol certification system and method for radio frequency identification equipment. The system comprises a server end, a reader-writer end and an electronic tag, which are connected in sequence, wherein the server end is used for establishing and storing a reader-writer information table and a tag analysis information table, and establishing communication connecting with the reader-writer end to certificate the a reader-writer to be certificated; the reader-writer end is used for writing corresponding information in the reader-writer information table stored by the server end into OEM configuration data of the radio frequency module of a legitimate reader-writer, and establishing communication connecting with the server end to certificate the reader-writer to be certificated; and the electronic tag is arranged on a corresponding product for identifying the corresponding product. The light weight class safe protocol certification system and method for radio frequency identification equipment can overcome the defects of poor safety, small application range and high energy consumption in the prior art and has the advantages of good safety, wide application range and low energy consumption.

The invention discloses a microelement interwell tracer agent and the application of the microelement interwell tracer agent, and relates to oilfield flooding micro tracer agents and a using method of the tracer agents in oil reservoir dynamic monitoring. Microelements which are not included in a stratum or fluid of the stratum or minimal microelements which are included in the stratum or the fluid of the stratum serve as the tracer agent, a macromolecule hydrophilic complex and rare earth elements are adopted to carry out complexation to prepare the tracer agent, the tracer agent is injected from an injection well, then sampling is carried out on surrounding production wells according to a certain sampling rule, the production condition is monitored, samples are analyzed, and a tracer production curve is obtained. The microelement interwell tracer agent is high in stability, and the thickness and permeability of a water flooded layer, the diameter of a duct, and the positions of external channeling and fractures of an injection well pipe can be determined accurately and conveniently.

The invention relates to a high-rise long-span door type truss integral lifting device and a construction method thereof. The device comprises a run-through jack, a steel strand and an anchoring structure, wherein the anchoring structure consists of an upper anchoring structure which is fixed on an arranged upper truss bracket and a lower anchoring structure which is fixed on a lifted truss; the run-through jack is fixed on the upper anchoring structure and is symmetric on the two sides of the arranged upper truss bracket; and the run-through jack and the steel strand integrally lift the lifted truss to a position which is flush with the arranged upper truss bracket. A whole-course dynamic stress monitoring mode is adopted for monitoring while the integral lifting is performed by a lifting unit. In auxiliary measures of the method, an operating scaffold for ground assembly and an overhung scaffold at a lifting point position are only required to be erected, so the measures are extremely few; and the integral lifting process is controlled by a jack travel control computer; and the conventional measurement monitoring and the stress strain monitoring are performed, so the construction safety and the structural safety are guaranteed. The device can be widely applied to door type truss integral lifting construction.

The invention discloses a dyhydroxyl cage-type silsesquioxane monomer and a preparation method thereof and belongs to the technical field of preparation of silsesquioxane. The preparation method of the dyhydroxyl cage-type silsesquioxane monomer comprises the following steps of: adding dyhydroxyl cage-type silsesquioxane monomer and eugenol monomer in a nitrogen-gas protected container, wherein the feeding molar ratio of the two monomers is 1:(2-16); adding toluene as a solvent, dropwise adding Pt with mass percentage of 0.3% and Custer reagent which is 0.1% (volume percentage) of solvent as a catalyst; heating up to 65-110 DEG C for reacting for 6-36 hours at a constant temperature; cooling the reaction system to the room temperature and distilling the reaction mixed liquor at 80-110 DEG C under reduced pressure to remove un-reacted eugenol; and cooling the room temperature to obtain light yellow solid, namely the dyhydroxyl cage-type silsesquioxane monomer. By overcoming the defects that the prior art is complex in operations and low in safe, the preparation method is simple in process and pollution-free to the environment. Besides, the preparation method has an important meaning in synthesizing dyhydroxyl POSS (Polyhedral Oligomeric Silsesquioxane); and the POSS can be directly introduced to a linear chain of the polymer.

The invention discloses equipment for enabling a copper pipe to pass through a fin of a condenser. The equipment comprises a support, as well as a push plate driving system, a copper pipe collector, a fin collecting disc and a traction device which are sequentially positioned on the support, wherein the copper pipe is placed on a supporting base of the copper pipe collector, and clearance layers formed between clapboards or partition posts are stacked; a push plate passes through the upper part of the supporting base which can reciprocate up and down so as to push the copper pipe into the fin hole of the fin collecting disc; meanwhile a draw rod enters into the fin hole from the other side of the fin collecting disc under the effect of a guide mechanism, so as to draw the copper pipe, and a drawing head is inserted into the opening end of the copper pipe; when the draw rod is retreated from the fin hole, the copper pipe is synchronously guided into the fin hole, after that, the push plate and the draw rod are reset, the upper-layer copper pipe orderly falls to the supporting base so as to be subjected to the next round of pipe passing. The equipment is simple in operation and high in stability and safety, and can be used for improving the pipe passing efficiency and the alignment accuracy, reducing the equipment stagnation period in a pipe passing process and reducing the human cost and the equipment loss.

The invention discloses a radiotherapy network information management system comprising a communication network, an application server, a database serer, a work station and a TPS, wherein the application server, the database server and the work station are connected through the communication network; the application server and the TPS are connected; the work station is connected with a control table or equipment corresponding to the work station. The radiotherapy network information management system has the advantages that each equipment, the servers and the work station are connected through the communication network, network resources of departments are integrated and reconstructed, each equipment, the network and a software system are managed uniformly, radiotherapy data are comprehensively analyzed, uniformly stored and managed, and treatment amount and working efficiency of the radiotherapy departments are improved.

The invention provides a bank teller terminal remote-authorization system, which comprises a teller terminal, a voucher shooting unit, a field information shooting unit, a server and an authorization terminal. The authorization terminal acquires the transaction screen information, the voucher image information and the field image information, and shows the information to an authorized person through two or more displays. The voucher shooting unit is called by the teller terminal to acquire the image information of the voucher and transmit the image information to the teller terminal. The teller terminal connected with the voucher shooting unit is also connected with the server through the internet for receiving the transaction operation of a teller, transmitting the transaction information to the server, receiving instructions from the server, acquiring the information required for authorized transaction, and starting the voucher shooting unit to acquire the voucher information. The field information shooting unit receives instructions from the server or the authorization terminal and acquires the image information of the transaction field. The system solves the problem of remote authorization of counter services of financial enterprises, such as banks and the like.

The invention relates to the technical field of battery charge, in particular to a charging cabinet, a management system for the charging cabinet and a commercial application method thereof. The charging cabinet comprises a cabinet body which comprises a cabinet main body. A plurality of independent charging cabins are arranged in the cabinet main body for placing a rechargeable battery. A power supply management device and a plurality of charging devices in one to one correspondence to the charging cabin are arranged in the cabinet main body. Each charging device comprises a charging interface corresponding to the charging cabin. The power supply management device is used for managing the charging devices which are used for charging the rechargeable battery through the charging interface.The management system can be applied to the charging cabinet better. The commercial application method is achieved based on the charging cabinet. The invention can provide equipment for charging an existing electric mobile outdoors better.

The invention relates to the robot touch reappearing method based on water-jet stimulation and its equipment. The local computer receives the remote robot tough information through the communication network, and its output ports connect each information control ends of the water-jet stimulation equipment to control the temperature, the jet pressure of the water-jet and the on-and-off of the nozzle and the water-pressure origin so as to provide the remote robot touch information for the local operator in water flow stimulation pattern. The jet water column stimulation at the finger ends of the operator comprises the pressure slope tough stimulation produced the water pressure and the temperature slope touch stimulation produced by the difference of jet temperature and operator body temperature, and the two slope function together.

The invention discloses a method for closing and opening electronic payment application, comprising the following steps of: providing a setting for closing and opening the electronic payment application to an intelligent card on a mobile terminal; and carrying out corresponding setting on the mobile terminal when a user needs to close or open the electronic payment application. The invention solves the problems of the tradition electronic payment of the mobile terminal lacks of flexibility and has poor safety, and ensures that the user can close the functions of the electronic payment application during not using the electronic payment application, thereby preventing the electronic payment from being stolen and enhancing the safety of the electronic payment application; and when in needed use, the electronic payment application can be reopened and the user can use the functions of the electronic payment more flexibly and conveniently.

The invention relates to an environment-friendly material used in sports ground pavement and a preparation method thereof. The material contains the component with the following weight percentage: 15 to 30 percent of diphenylmethane diisocyanate, 15 to 25 percent of polyoxypropylene glycerin ether, 10 to 20 percent of polyoxyethylene propylene glycol ether, 0.4 to 5 percent of trimethylolpropane, 2.5 to 5 percent of dried montmorillonite, 2 to 5 percent of epoxide resin, and 20 to 30 percent of dioctylphthalate. The invention changes the prior formula of rubber for used in polyurethane elastic sports ground, and adopts dry nano lamination technology to the mechanical properties of polyurethane elastomer, thus lengthening the service life and reducing the manufacturing cost. More importantly, the invention overcomes the problem of the damage to human bodies and the hidden dangers of TDI and MOCA in the prior art.

The invention discloses an automatic mind roadway air volume regulating device which consists of an air window mechanical hydraulic part and a PLC (Programmable Logic Controller) automatic monitoring part. The air window mechanical hydraulic part comprises air windows, an oil cylinder and an electro-hydraulic push rod. The PLC automatic monitoring part comprises a displacement sensor, a limit switch, an audible and visual alarm, an air volume sensor, an air speed sensor and a PLC electric cabinet. The mechanical hydraulic part is connected with the PLC automatic monitoring part to realize real-time auto-synchronous control of the changes of the linear opening sizes of the front and back air windows of the roadway. The automatic mind roadway air volume regulating device overcomes the disadvantages in mind roadway air volume regulation and achieves the purpose of automatically regulating of the air volume in the roadway.

The invention discloses an optimized energy-saving cold-preventing system and method at air inlet sides of a cooling tower. The optimized energy-saving cold-preventing system comprises a plurality of electric air-curtain adjusting components, an acquisition unit and a control unit, wherein the plurality of electric air-curtain adjusting components are matched and arranged at the air inlet sides of all areas of the cooling tower and are used for adjusting the air inlet amount of the cooling tower and further controlling the temperature of circulating water; the acquisition unit is used for acquiring site information of the cooling tower in real time; the control unit is used for controlling the action of the electric air-curtain adjusting components to adjust and control the temperature ofthe circulating water on the basis of the site information of the cooling tower acquired by the acquisition unit; the acquisition unit is in signal connection with the control unit; and the pluralityof electric air-curtain adjusting components are respectively in communication connection with the control unit. According to the optimized energy-saving cold-preventing system and method disclosed by the invention, the defects of poor temperature adaptability, poor cold-preventing effect, poor energy saving effect, low automation degree, high cost, large labor amount and poor safety and the likein the prior art can be overcome so as to realize the advantages of good temperature adaptability, good cold-preventing effect, good energy saving effect, high automation degree, low cost, low labor amount and good safety.

The invention discloses a process capable of simultaneously producing and separating high-purity EPA (eicosapentaenoic acid) ethyl ester and high-purity DHA (docosahexaenoic acid) ethyl ester. With crude fish oil as raw material, supercritical fluid extraction, base catalysis and esterification, supercritical counter-current extraction, urea clathration and supercritical rectification are carried out, and EPA ethyl ester and DHA ethyl ester with the purity being more than 90% are obtained respectively. By adopting the process disclosed by the invention, the EPA ethyl ester and the DHA ethyl ester can be effectively purified and separated, and the contents of the obtained EPA ethyl ester and DHA ethyl ester are respectively more than 90%; and no residual solvent exists in the product, preoxidation value is less than 2meq / kg, anisidine value is less than 10, acid value is less than 0.5mgKOH / g, polymer is less than 0.2%, no stearin is contained, and the defects of the prior art that cost is high, process is complex, long time is consumed and safety is difficult to guarantee can be overcome.

The invention belongs to the technical field of firecrackers and particularly relates to a safe environmentally-friendly firecracker with two serially-connected built-in bodies, and the firecracker is used for solving the problem that an existing safe, environmentally-friendly and energy-saving firecracker has a limited sound number and has difficulty in building festival atmosphere brought by the traditional firecracker. The firecracker comprises a plurality of single bodies, wherein each single body comprises a connecting piece and a fixed leading plug; each connecting piece is of a cylindrical structure with one closed end; each fixed leading plug comprises a table body at one end and a cylinder at the other end, and each cylinder is integrated with the small-diameter end of the corresponding table body; the cylinder part of each leading plug is inserted into the cylindrical structure of each connecting piece; the table body part of each fixed leading plug is inserted into a metal shell respectively; and outer shells are sleeved outside the metal shells and the connecting pieces. The built-in safe environmentally-friendly firecracker has the following beneficial effects: zero discharge is basically realized, air pollution, dust pollution and potential safety hazards caused by the traditional firecracker are overcome to the greatest extent, the advantages of the traditional firecracker and the existing safe and energy-saving firecracker are combined, and safety, environmental friendliness and energy conservation are realized to a greater extent.

The invention provides a full-automatic noninvasive expectoration machine. A pressure sensor (211) used for monitoring pressure and a pressure difference transducer (210) used for monitoring flow are arranged on an expectoration pipeline. According to data acquired by the pressure sensor (211) and the pressure difference transducer (210), the following operations are carried out: when the expectoration starting condition is met, expectoration is started, and negative pressure is outputted to a patient (101) through the expectoration pipeline; and when the expectoration stopping condition is met, expectoration is stopped, and negative pressure is stopped to be outputted to the patient (101) through the expectoration pipeline. The full-automatic noninvasive expectoration machine can detect the breathing process automatically and trigger expectoration automatically.

The invention discloses an RFID (Radio Frequency Identification) system capable of ensuring confidentiality and data integrity and an implementation method thereof. The system comprises an RFID tag, an RFID reading-writing module and a background service module, wherein the RFID reading-writing module is used for obtaining a communication key from the RFID tag and carrying out secret data interaction with the RFID tag based on the communication key, and the background service module is used for providing data storage and secret interaction service for the data interaction between the RFID tag and the RFID reading-writing module; and the background service module, the RFID reading-writing module and the RFID tag are sequentially connected. The RFID system capable of ensuring confidentiality and data integrity and the implementation method thereof provided by the invention can overcome the defects of poor security, easiness in failure, poor reliability and the like in the prior art so as to realize the advantages of good security, non-easiness in failure and good reliability.