30results about How to "Guaranteed security protection" patented technology

The invention relates to a sensitive information desensitization method and system for data sharing. According to the method, by adopting statistics, a natural language processing technology and a machine learning technology, the protection of sensitive data in the whole process from data publishing to data application and usage, and automatic identification of sensitive information of such as named entities and addresses is put forward on the basis of the establishment of a sensitive information keyword library, named entities, addresses and the like is put forward; a Sigmoid function is used for calculating the correlation degree of sensitive attributes; a desensitization strategy is carried out in a combined mode of establishing a sensitive attribute generation rule library and adopting a named entity desensitization rule and a core desensitization algorithm; deep desensitization calculation is conducted in combination with numerical sensitive attributes and classified sensitive attributes separately, the desensitization degree of a whole data set is obtained, and the controlled output of data and the like are achieved by downloading a link address hash; thus, the safety of data sensitive information and a sensitive information processing strategy which meets analysis and mining requirements to the maximize degree can be ensured, and the method and system have the advantages of being good in desensitization effect, high in reliability and the like.

The invention discloses a protection circuit suitable for an initiating explosive device on a two-stage ignition bomb. The protection circuit belongs to the technical field of safety protection of the initiating explosive device on the bomb, and solves problems of delayed explosion and poor direct protectiveness of the initiating explosive device caused by a safety protection mode of the conventional initiating explosive device on the bomb. The protection circuit comprises a protection control relay, a protection state detection circuit and a ground control circuit; one end of the protection control relay is connected with a negative power supply end Q of an ignition power supply; the other end of the protection control relay is connected with a negative activating end T of the initiating explosive device; a control signal input end of the protection control relay is connected with a control signal output end of the ground control circuit, and the control signal output end of the protection control relay is connected with the control signal input end of the protection state detection circuit. The protection circuit is suitable for safety protection of the initiating explosive device on the two-stage ignition bomb.

The invention provides a method and a system for realizing a safe bifurcation call session in an IP multimedia system. In the invention, based on Otway Rees key agreement protocol, a key agreement system is provided and is enabled to realize the safe bifurcation call session in the IP multimedia subsystem (IMS). When a called party receives a call, a slave calling key management server (KMS) acquires a media root key K used for deriving media keys; then based on a random number and the media root key K which are derived by each called party, each called party and each calling party can derive a media key respectively by utilizing a media key deviation function (KDF). The media key of each called party is unique and cannot be learned by other terminals, thereby realizing media safety of the bifurcation call session. The invention has simple logic, reduces computing and processing pressure of the calling party, interacts less with a KMS signaling, relieves storage and computation requirements for the KMS, and excellently provides the safety protection for ensuring the bifurcation call session for the IMS.

The invention provides a remote monitoring system and a remote monitoring method for boilers. The remote monitoring system comprises a center monitoring end and a plurality of on-site terminals. Each on-site terminal comprises a boiler controller, a terminal interface machine, a gateway machine and a center monitoring end, wherein the boiler controller is used for recording real-time running data of the boilers, the terminal interface machine is used for acquiring real-time operating data of the boiler controller and transmitting the acquired data passing a network isolation device to the gateway machine, the gateway machine is used for transmitting the received acquired data to the center monitoring end through a special virtual network, and the center monitoring end is used for analyzing the received acquired data and displaying analysis results. The remote monitoring system and the remote monitoring method can remotely monitor the real-time operating states of scattered various boiler systems.

A method for carrying out secret processing on mobile terminal information at PC side includes judging whether connection between PC computer and mobile terminal is successful or not by PC side and judging whether cipher is set on mobile terminal or not by PC side if it is, inputting mobile terminal cipher by PC side and sending said cipher to mobile terminal by PC computer if it is not, calibrating said cipher by mobile terminal and carrying out normal interaction between PC computer and mobile terminal if it is confirmed that cipher is correct.

The invention discloses a method for disassembling a threaded ring of a main steam valve. The method includes the steps of firstly, laying a heating device on the outer surface of a valve shell, and uniformly and circumferentially arranging a plurality of temperature measuring elements on the outer wall of the valve shell and under the heating device; secondly, placing refrigerating articles in an inner cavity of the threaded ring uniformly, and arranging a plurality of temperature measuring elements on the outer wall of the threaded ring uniformly; thirdly, assembling a special disassembling tool for the threaded ring at a disassembling port in the sidewall of the threaded ring, wherein a stress applying rod is fixed above the special disassembling tool, and the upper end of the stress applying rod is suspended on a lifting tool of a travelling crane; fourthly, when the measured temperature of the outer wall of the valve shell is 1-10 DEG C higher than that of the outer wall of the threaded ring, using a knocking device to strike the stress applying rod until the threaded ring is loose, and then using the special disassembling tool to disassemble the threaded ring. The method for disassembling the threaded ring of the main steam valve has the advantages that the cold shrinkage and thermal expansion theory is adopted to enable a valve body to expand and the threaded ring to shrink, disassembling quality is guaranteed, maintenance cost is reduced, and working efficiency is improved.

A method for carrying out secret processing on mobile terminal information at PC side includes inputting mobile terminal cipher to PC computer and sending said cipher to mobile terminal, carrying out calibration on cipher by mobile terminal when cipher is received by mobile terminal and carrying out normal interaction between PC computer and mobile terminal if it is confirmed that cipher is correct.

The invention discloses an automatic grinding device capable of replacing manual operation, and relates to the technical field of railway vehicle steel structure manufacturing. The automatic grinding device comprises a conveying mechanism, a horizontal front-back moving mechanism, a vertical lifting mechanism, a horizontal left-right moving mechanism, a multi-angle grinding mechanism and a control system. The automatic grinding device has the beneficial effects that by means of cooperation of the horizontal front-back moving mechanism, the vertical lifting mechanism, the horizontal left-right moving mechanism, the multi-angle grinding mechanism and the control system, multi-direction and multi-angle accurate grinding can be achieved; and meanwhile, a grinding machine is provided with a protective cover, so that safety protection on surrounding operators and workpieces in the grinding process can be guaranteed. The automatic grinding device is small in size and convenient to push, can replace the operators to complete high-strength grinding operation, reduces labor intensity, improves the operation environment of the operators, improves grinding efficiency and improves workpiece grinding size precision.

The invention relates to a heat dissipation device based on a graphene heating chip. The device comprises a plurality of layers of heat dissipation bodies and graphene heating bodies arranged between every two adjacent layers of heat dissipation bodies, each graphene heating body comprises a heat conduction shell in contact connection with the heat dissipation bodies and a graphene chip fixedly arranged in the heat conduction shell, a contact of each graphene chip is connected with a wire. Through staggered arrangement of the heat dissipation bodies and the graphene heating bodies layer by layer, the heat dissipation area is increased, and the heat conduction effect is improved; heat-conducting sealing layers are arranged on the two sides of each graphene chip to form a first protection layer, and a heat-conducting insulating plate is arranged to form a second protection layer, so that the sealing effect is improved; and the dual safety protection packaging mode of the ceramic adhesive and the high-temperature insulating paint is anti-creeping and safe to use, so that the heat conduction of the two sides of each graphene chip is more uniform, a heating adhesive sheet is not easy to burn out, the effective safety protection of each chip is ensured, and the insulating property is improved.

The invention discloses a cab floor assembly, a cab assembly and a vehicle, and the cab floor assembly comprises a floor main body and a floor framework. The floor body is provided with a front end facing the front of the vehicle and a rear end facing the rear of the vehicle, a through hole is formed in the floor body close to the front end, and a steering column of the vehicle can penetrate through the through hole. The floor framework is fixed to the floor body and provided with a first end facing the front end and a second end facing the rear end, and the width of the first end is smaller than that of the second end. The floor framework comprises a first longitudinal beam, a second longitudinal beam and a cross beam which are symmetrically arranged, and the first longitudinal beam and the second longitudinal beam extend in the length direction of the floor main body and are obliquely arranged close to the front end so as to avoid the through hole; the cross beam is located between the front end and the rear end and fixedly connected with the first longitudinal beam and the second longitudinal beam. According to the technical scheme, interference between the longitudinal beam of the cab floor assembly and the through hole allowing the steering column to penetrate through can be avoided.

The invention relates to a software package management and operation method for an industrial control system. The method comprises the steps of a software package used for performing software installation or upgrading on an industrial control host is uploaded to a safety management center; the safety management center performs virus scanning on the uploaded software package to ensure the safety; the bidirectional authentication is carried out between the safety management center and the industrial control host; a software package and a temporary white list are issued to the industrial controlhost by the safety management center which passes the bidirectional authentication with the industrial control host, and the industrial control host is authorized to carry out software installation orupgrading operation; and the industrial control host decompresses the software package to obtain a decompressed file for software installation or upgrading, and executes the decompressed file according to the temporary white list, thereby performing software installation or upgrading operation. According to the invention, the unique legal source of the software package is ensured, the safety of data transmission between the industrial control host and the safety management center is ensured, and the safety protection of the operating environment of the industrial control host in the softwareinstallation or upgrading process is ensured.

The invention discloses an overheating protection control method, system and equipment for an air compressor of a beauty instrument. The method comprises the following steps: detecting the initial cylinder temperature T of the air compressor; judging whether the cylinder temperature is abnormal or not by comparing the initial temperature T with a set threshold value X, and further detecting and adjusting the pressure when judging that the cylinder temperature is abnormal; otherwise, directly entering a nursing mode, and detecting a first-order derivative f (T) of the cylinder temperature; the rising or falling degree of the surface temperature of the air cylinder is judged by judging whether the first-order derivative f (T) of the air cylinder temperature is larger than a threshold value Z or not, and the nursing pressure is further adjusted; and the cooling effect is determined by regularly detecting whether the cylinder temperature T is greater than the overheating temperature threshold Y or not, and the nursing pressure is further adjusted. The threshold value of the initial temperature of the air cylinder of the air compressor is set, it is ensured that the air compressor does not operate continuously, the threshold value setting of the temperature of the air cylinder and the change of the first derivative are calculated, the overheating risk of the air compressor is recognized, damage to the air compressor is avoided, and safety protection of instruments is achieved.

The invention relates to a cloth cuddling device of an automatic pack loading machine, which is used to solve the problems that the restoration of the cloth cuddling device of the automatic pack loading machine is limited by the height of a cloth pack and the restoration is not flexible. The device of the invention is characterized by consisting of a starting mechanism, a single stroke jacking mechanism, a self-locking mechanism and a cloth cuddling mechanism, wherein the starting mechanism starts actions under an external force and drives the single stroke jacking mechanism to act, the single stroke jacking mechanism drives the cloth cuddling mechanism to act, and when the cloth cuddling mechanism is in a raised state, the state is locked by the self-locking mechanism. Each mechanism of the device of the invention acts in a coordinated manner, the manipulator releases easily and flexibly, the self-lock is safe and reliable, the restoration is timely and accurate, and the cloth cuddling height is adjustable. In addition, a depth fine tuning device and a transfinite safety device of a cloth inserting machine ensure the accurate restoration of the manipulator and safeguard of the manipulator when the cloth inserting machine exceeds the stroke to enter the pack loading machine. The cloth cuddling device disclosed by the invention is ingenious in conception, reasonable in design and good in on-spot trial effect, is adaptable to a broad range of cloth pack heights, and achieves the expected design purpose.

The invention discloses a reserved hole depth control method and device of a drill bit based on a control plane. The method comprises the steps that a linear punching mode of a mechanical arm is started; determining a control surface based on the dentale information and the determined three feature points; establishing an image coordinate system, wherein the image coordinate system is used for positioning an object displayed on the display device; and monitoring the prepared hole depth based on the control surface, the real-time tip coordinate of a drill bit arranged on the dental implant device under the image coordinate system and the target position of the root node of the implant under the image coordinate system. According to the method, the drilling force and perpendicularity are guaranteed in the dental implant hole preparation process, and the drilling depth is safely protected.