54results about How to "Implement security functions" patented technology

A control apparatus includes an arithmetic unit for generating a brain wave pattern based on a brain wave signal obtained from a driver's head, for comparing the generated brain wave pattern with a plurality of brain wave patterns pre-stored in a control processing unit, when there is a match between the generated brain wave pattern and one of the plurality of brain wave patterns pre-stored in the control processing unit, for identifying an operation description associated with the one of the plurality of brain wave patterns, and for reading corresponding control data so as to generate and deliver a corresponding control signal that causes a vehicle-mounted apparatus to carry out an operation specified by the associated operation description to the vehicle-mounted apparatus based on the control data.

The invention discloses an embedded security encryption chip based on a cloud server. The embedded security encryption chip comprises a CPU, an SM2 asymmetric encryption algorithm module, an SM3 hashalgorithm module, an SM4 symmetric encryption algorithm module, an RSA asymmetric encryption algorithm module, an SHA hash algorithm module, an AES symmetric encryption algorithm module, a true randomnumber generator, a physical unclonable function module and a peripheral interface module which are integrated in the system. the embedded security encryption chip is externally integrated with PCI-Einterface, PCI-E interface connects to on-chip bus through PCI bridge, and the security encryption chip is inserted into the cloud server through the PCI-E interface. The digital signature verification and encryption/decryption speed is high, the secret key cannot be cloned, the security is high, the complexity of secret key management can be greatly reduced, the system resource consumption is reduced, the power consumption is reduced, And the chip is inserted into the cloud server through the PCI-E without changing the hardware architecture of the server, and has a secure API, so that a usercan quickly and conveniently call.

The invention provides an antistatic waterproof functional woven fabric and a method for preparing the same. The method includes weaving, type approval, finishing and shaping. Fiber materials for the antistatic waterproof functional woven fabric include, by weight, 20-100% of antistatic polyester fibers or polyamide fibers. Type approval includes waterproof treatment at the temperatures of 120-230 DEG C; antistatic functional powder with the size of 30-150 nm is used when the fiber materials are prepared. The antistatic waterproof functional woven fabric and the method have the advantages that antistatic fibers are creatively added into the antistatic waterproof functional woven fabric for current waterproof fabric treatment modes, accordingly, accumulation of electrostatic charge can be effectively reduced, attenuation half lives of frictional electrostatic voltages and the electrostatic charge can be shortened, and the garment fabric has appropriate, attractive, healthcare and safe performance.

The invention relates to a combined cooling heating and power distributed control system based on an internet of things. The system comprises a host computer, a security system and an energy-saving system. The security system and the energy-saving system are connected with the host computer through the internet of things; and the host computer connects the security system and the energy-saving system through a communication network; therefore, monitoring and operation control on the combined cooling heating and power distributed control system are realized and data storage is realized. The security system comprises an equipment state monitoring system, an energy island personnel management system and an accident protection system. Besides, the energy-saving system is composed of a personnel monitoring device of a load end, a load end parameter monitoring device, an environmental parameter monitoring device, a load prediction system, an operation control system and a cool storage system. According to the invention, a combined cooling heating and power distributed control system based on the internet of things is provided, wherein the system has advantages of distributed control, low operation cost, and high energy utilization rate.

The invention applies for an intelligent safety relay and an applied circuit thereof. The intelligent safety relay is composed of a first processing chip MCU A, a second processing chip MCU B, first and second input driving circuits, first to third input sampling circuits, first and second diagnostic signal generating circuits, first and second logic circuits, a diagnostic signal detecting circuit, first and second relay driving circuits, and first and second relay circuits. The first processing chip MCU A and the second processing chip MCU B control connection or disconnection of contacts inthe first and second relay circuits automatically based on sampling on the input driving circuits by the input sampling circuits so as to control connection or disconnection of outputs; and the diagnostic signal generating circuits and the diagnostic signal detecting circuit detect various faults to realize connection or disconnection of outputs, so that intelligent and reliable cutting is realized. Moreover, on the basis of the intelligent plan, multiple kinds of safety functions or logic demands can be realized by configuration.

Provided are a communication system, a relay system, and a communication method in which a high security functionality can be obtained in a configuration in which a plurality of communication devices are grouped into a plurality of groups, a relay device is provided to each of the groups, and the relay devices relay data transceiving between the groups. Data transceived by a second relay device (2) to and from a wireless communication device (9) outside the vehicle is dispersed to and stored in a database (11) of a plurality of first relay devices (1). Data received from the wireless communication device (9) is stored in a discrete region (13) in the database (11) of the first relay devices (1). A data storage destination table of the second relay device (2) is encoded. When each of the first relay devices (1) stores data received from an ECU (4) in the database (11), the second relay device (2) is notified, and the second relay device (2) updates the data storage destination table in accordance with the notification.

A separable coupling may be formed by a connecting stub (2) and a locking jacket (5) which, when the locking jacket is moved relative to the connecting stub, can lock a nipple (16) in the coupling if fluids under pressure are fed through the coupling, as the connecting stub is provided with a part (21, 29) therein which is movable transversely to the connecting stub, and which, when pressure is applied through the coupling, is pressed partly out of the locking jacket (5) so that movement of the locking jacket is prevented. The movable part may be formed by an O-ring (21), a four-edged ring or the like which can press a split locking ring, concentric with the O-ring, partly out of the connecting stub (2). In an embodiment, the movable part is formed by a bushing (28) with a spring-biased, movable piston (29) which presses the piston (29) out of the bushing (28) and blocks movement of the locking jacket by the action of the fluid which is fed. The bushing (28) has a central through hole in which a spring-biased piston (29) may be moved, such that when pressure is applied through the coupling, the piston protrudes through the hole of the bushing. The invention provides a coupling which ensures that the coupling parts cannot be separated unintentionally from each other, when fluids are fed through the coupling at high pressures and temperatures, which may moreover be chemically aggressive.

The invention provides an electronic safety insurance circuit applied to an artificial rain rocket shell. The electronic safety insurance circuit comprises a first-level ignition circuit, a second-level ignition circuit, a third-level ignition circuit and a breakage signal circuit; the electronic safety insurance circuit is characterized in that the first-level ignition circuit is composed of resistors R9, R10 and R11, a silicon-controllable rectifier Q1, a capacitor C4 and an igniting head F1, wherein the C4 is a detonation capacitor; the R11 is a large-resistance slow energy dissipation resistor; the second-level ignition circuit is composed of resistors R3, R4 and R8, a silicon-controllable rectifier Q2, a capacitor C2 and an igniting head F2, wherein the C2 is a detonation capacitor; the R8 is a large-resistance slow energy dissipation resistor; the third-level ignition circuit is composed of resistors R1, R2 and R7, a silicon-controlled rectifier Q3, a capacitor C1 and an ignitinghead F3, wherein the C1 is a detonation capacitor; the R7 is a large-resistance slow energy dissipation resistor; and the breakage signal circuit is composed of a MAX 4641 normally opened signal switch, a large-capacity energy storage capacitor C3, unidirectional current guide diodes IN4148 D1, D2 and D3, C5, C6 and R12. The electronic safety insurance circuit provided by the invention commendably realizes safe launching in action of the artificial rain rocket shell and is also low in cost, reliable, practical and feasible.

The invention discloses a disposable safe blood collector, consisting of a rubber sleeve, a needle seat, a puncture needle, a spring and an outer sleeve, wherein the needle seat is bonded in the middle of the puncture needle; the rubber sleeve is arranged on the needle seat and covers one end of the puncture needle; the spring is sheathed on the spring outer sleeve at one side of the puncture needle; the rubber sleeve, the needle seat, the puncture needle and the spring are all arranged in the outer sleeve. When the disposable safe blood collector is in use, a handle on the needle seat is pushed by a hand so that the puncture needle extends forwards out of the outer sleeve and the extension position is maintained, at this moment, the spring is compressed, blood collection work can be started, when the blood collection is finished and the puncture needle is pulled out of a patient body, the handle on the needle seat is triggered by a hand to unlock a latch between the handle and the outer sleeve; and then, under the action of the restoring force of the spring, the rubber sleeve, the needle seat and a puncture needle combined body move backwards and return into the inner cavity of the outer sleeve completely.

The invention discloses a hydraulic variable pump and a hydraulic variable pump mechanical proportion controller thereof, and is used for controlling the flow and the pressure of a first piston cylinder and a second piston cylinder of a hydraulic pump inclined disc. The hydraulic variable pump comprises a feedback rod, a driving handle, a first reversing valve, a second reversing valve, and an electric control safety switch for selecting the first reversing valve or the second reversing valve to work. The first reversing valve is a mechanical proportion-controlled pilot valve for realizing equal-proportion control of the displacement of the hydraulic variable pump; and the second reversing valve is used as an unloading valve for unloading the hydraulic variable pump. The electric control switch valve is used as a selecting valve; a single-grade valve element is adopted as a pilot valve element to directly control the variable of the inclined disc; and a feedback structure is skillfullyadopted to realize stable displacement, so that the mechanical proportion control safety function is achieved, the effects of simple structure, low cost, high reliability and convenience to maintainare guaranteed, and important significance on improvement of the product quality competitiveness and the cost competitiveness is achieved.

The invention discloses a safety elevator working method and an elevator with a safety interlock. The safety interlock is composed of L-shaped bolt rods, a transmission rod with transmission gears, guide rail locking frames, support frames, a motor drive gear and an interlock drive motor. The safety elevator working method is achieved through the safety interlock. The phenomenon that when the elevator is in the stop state, an elevator car is locked and cannot move before or after a car door is opened is achieved; and when the elevator car moves or the car door does not reach a hall door area, the car door is locked and cannot be opened. The safety elevator working method and the elevator with the safety interlock have the beneficial effects of being capable of achieving interlock control, high in reliability, easy to implement, maintain and manage.

The invention provides a preparation method of a waterproof and cool warp-knitted fabric and the warp knitted fabric prepared by the method. The preparation method comprises the steps of weaving, setting, finishing and dyeing, and forming. In used fiber raw materials, the weight percentage of polyethylene fiber or polyester is 20-100%; the setting comprises waterproof treatment, and the temperature of the waterproof treatment is 100-130 DEG C; and the polyethylene fiber raw material is dyeable polyethylene fiber modified by montmorillonite. According to the invention, cool fibers are innovatively added for an existing waterproof fabric treatment mode, so that the comfort level of the fabric can be improved, and the appropriate, attractive and comfortable performance of the garment fabric can be realized.

The invention provides an early-warning evacuation stairway for flood flowing back to an underground space and a using method of the early-warning evacuation stairway. The early-warning evacuation stairway comprises a stairway body and a separating wall arranged in the middle of the stairway body, and the separating wall divides the stairway body into an early-warning subarea and an evacuation subarea; the early warning subarea comprises a first overground ladder, an early warning platform and a first underground ladder which are connected in sequence, the evacuation subarea comprises a second overground ladder, an evacuation platform and a second underground ladder which are connected in sequence, the early warning platform and the evacuation platform are located on the two sides of the isolation wall, and the height of the early warning platform is smaller than that of the evacuation platform. According to the stair structure, transformation is conveniently conducted on the basis of a traditional stair, no flood enters the underground space during medium-low-intensity rainfall and timely and safe evacuation of personnel during high-intensity rainfall can be achieved only by additionally arranging the separating wall, the early warning platform and the evacuation platform, the reliability is high, and the safety is high. The method can be widely applied to design and transformation of personnel waterlogging prevention evacuation channels in underground spaces such as subways, underground shopping malls and underground parking lots.

The invention provides a hydraulic transmission system controlled by an electro-hydraulic proportional valve. In the operation process of the transmission system, oil in an oil pan passes through a coarse oil filter and then enters an inlet of an oil supply pump; after being pressurized through operation of the oil supply pump, the oil is filtered by the fine filter; when the pressure difference before and after the fine filter is blocked reaches a preset value, the pressure switch transmits a corresponding alarm signal to a transmission control unit (TCU) to remind checking and replacement of the fine filter, and a part of oil passing through the fine filter enters an electro-hydraulic proportional valve I and/or an electro-hydraulic proportional valve II to supply oil to a valve body. The gearbox controller TCU is used for controlling the oil pressure of the middle oil duct and the oil quantity returned to the oil tank from the uppermost oil duct for the electro-hydraulic proportional valve I and/or the electro-hydraulic proportional valve II; and the other part of the oil passing through the fine filter enters the torque converter after being subjected to pressure regulation through the safety valve and then flows back to an oil pan of the gearbox. According to the invention, the gearbox controller is combined with the functions of gear, reversing and micro-motion, so that the process is smoother.