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118results about How to "avoid failure" patented technology

Distributed trusted identity authentication method and system, storage medium and terminal

PendingCN111478769Aavoid failureEnsure Consistency and Security
The invention belongs to the technical field of cloud computing trusted identity authentication, and discloses a distributed trusted identity authentication method and a system, a storage medium and aterminal, a certificate management system and a certificate release system in the identity authentication system are decoupled, a blockchain account book is used for replacing a certificate release and revocation list and a distributed certificate validity query service, and a single-point fault of a centralized authentication server is avoided; a blockchain structure suitable for a distributed trusted identity authentication system is designed, a digital certificate and an operation type are stored in a block, and malicious nodes are prevented from tampering certificate content and validity;by aiming at the blockchain certificate validity quick query method, a filter bucket is dynamically maintained by adopting double cuckoo filters, so that the certificate query speed is increased, and the block-by-block query efficiency of the blockchain is prevented from being low. The certificate issuing function of the distributed trusted identity authentication system is issued to each participation node of the system, the digital certificates and effectiveness are stored in a distributed mode, and high availability of the identity authentication system is guaranteed.
Owner:XIDIAN UNIV

Vibration-absorbing device of needling machine

InactiveCN102182779Aavoid failureEasy to install
The invention discloses a vibration-absorbing device of a needling machine and belongs to the technical field of vibration-absorbing equipment. The vibration-absorbing device of the needling machine comprises a rubber airbag, wherein a reinforcing ring is arranged in the middle of the rubber airbag, the rubber airbag is divided into an upper airbag body and a lower airbag body by the reinforcing ring, the top of the upper airbag body is provided with an upper airbag body cover, and the bottom of the lower airbag body is provided with a lower airbag body cover; and an airbag top cap and an airbag base, wherein the airbag top cap is connected with the upper airbag body cover, top cap surrounding walls are arranged on the peripheral edge of the surface of the side, facing the airbag base, of the airbag top cap, the airbag base is connected with the lower airbag body cover, base surrounding walls which encircle each other and are provided with a base cavity are arranged on the peripheral edge of the surface of the side, facing the airbag top cap, of the airbag base, the base surrounding walls stretch into the top cap cavity and is in sliding fit with the top cap cavity, the upper airbag body is positioned inside the top cap cavity, and the lower airbag body is positioned inside the base cavity. The vibration-absorbing device has the advantages that: the effect loss caused by distortion can be effectively avoided; through the airbag top cap and the airbag base, the vibration-absorbing device can be matched with the needling machine well; the vibration-absorbing device is convenient to install; and the vibration-absorbing device has the excellent noise-reducing and vibration-absorbing effect.
Owner:常熟市伟成非织造成套设备有限公司

PCB taking mechanism

PendingCN111604926AReduce disassemblyavoid failure
The present invention relates to the technical field of PCB board taking, in particular to a PCB taking mechanism which comprises an installation substrate. A clamping jaw propulsion cylinder, a suction cup propulsion cylinder and an intelligent camera are installed and fixed on the installation substrate, the end of a piston rod of the clamping jaw propulsion cylinder is provided with a suction cup through a suction cup installation plate, the end of a piston rod of the suction cup propulsion cylinder is provided with a pneumatic clamping jaw through a clamping jaw installation plate, a mechanism reducing sleeve connected with a motor output shaft is fixed on the installation substrate, the intelligent camera, the suction cup and the pneumatic clamping jaw are arranged on the same side ofthe installation substrate, the mechanism reducing sleeve is arranged on the other side of the installation substrate, and visual light sources are fixed on the installation substrate and arranged onthe periphery of the intelligent camera. PCBs suitable for being taken by the suction cup can be directly sucked by the suction cup 60, PCBs suitable for being grabbed by the clamping jaw are directly grabbed by the pneumatic clamping jaw 80, disassembly and assembly of the taking mechanism on equipment or a tool are reduced, and production efficiency and precision are improved.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST

Display panel and manufacturing method thereof, and display device

ActiveCN110459694Aavoid failure
The invention discloses a display panel and a manufacturing method thereof, and a display device and relates to the technical field of display. The display panel includes a hole region, a first non-display region and a display region and further includes a base substrate, a light emitting device layer and a packaging layer, wherein the light emitting device layer is located on one side of the basesubstrate and includes an anode layer, a light emitting layer and a cathode layer, the packaging layer is located on a side of the light emitting device layer away from the base substrate and includes a first inorganic packaging layer, an organic packaging layer and a second inorganic packaging layer disposed in order, the hole region is at least provided with an organic packaging layer, a firstinorganic packaging layer and a light emitting device layer in a direction perpendicular to the base substrate in a penetration mode, the second inorganic packaging layer covers the boundary of the organic packaging layer, the first inorganic packaging layer and the light emitting device layer at the hole region, and the orthographic projection of the second inorganic packaging layer on the base substrate covers the hole area. The display panel is advantaged in that a problem that the water vapor in the air penetrates from the boundary between the hole area and the first non-display area and spreads to the entire display panel and causes the display panel to fail can be effectively solved.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Control method and control device for air inlet grille assembly for vehicle

The invention relates to the technical field of automobile control. The problem that in a running process of an existing vehicle provided with an active air inlet grille, due to the fact that blades are frozen easily, the air inlet grille loses efficacy is solved. Therefore, the invention provides a control method and a control device for an air inlet grille assembly of the vehicle; the air inletgrille assembly comprises rotatable blades, and the control device comprises a first temperature detection module, a second temperature detection module, and a control module; the first temperature detection module is used for detecting the temperature of a cooling liquid in a vehicle cooling system; the second temperature detection module is used for detecting the environment temperature; and thecontrol module is connected with the two temperature detection modules and used for selectively controlling the opening degree of the blades according to a detection result of the second temperaturedetection module when the cooling liquid temperature detected by the first temperature detection module is lower than a preset temperature threshold value. According to the control device provided bythe invention, when the vehicle is in a low-temperature environment, the air inlet grille blades can keep a safe opening degree, so that the problem that the air inlet grille loses efficacy due to thefact that the blades are frozen in a completely closed state is avoided.
Owner:NIO CO LTD

Disease prevention vaccine storage device

InactiveCN108529011Aavoid failure
The invention belongs to the field of medical apparatus and instruments, and particularly discloses a disease prevention vaccine storage device. The disease prevention vaccine storage device comprisesa main box body. A refrigerating mechanism is arranged in the main box body. A rotating disc is rotationally connected in the main box body. Multiple guide through holes are formed in the rotating disc and are distributed in the circumferential direction of the rotating disc. A cylinder cam is fixed to the position, below a guide plate, in the main box body. The end face of the cylinder cam comprises a protruding portion and a falling portion. The multiple guide through holes coincide with the end face of the cylinder cam in the horizontal projection. A lever is hinged to the position, abovethe rotating disc, in the box body. A reset part is connected between the lever and the main box body. An injection syringe clamping part is arranged at one end of the lever, and an ejector rod and arope are fixed to the other end of the lever. The lower end of the ejector rod is located at the high end of the protruding portion on the end face of the cylinder cam. A trigger through hole is formed in the position, on one side of each guide through hole, of the rotating disc. A trigger rod is connected in each trigger through hole in a sliding manner, and the lower ends of the trigger rods abut against the end face of the cylinder cam. The disease prevention vaccine storage device has the cold storage function, and human hands do not need to be in contact with vaccines when taking the vaccines.
Owner:杨兴万

Point heat source mobile distributed seepage monitoring system and monitoring method thereof

ActiveCN109856032ASolve the spatial resolution problemavoid failure
The invention discloses a point heat source mobile distributed seepage monitoring system and a monitoring method thereof. The monitoring system comprises a sensing heating element, a monitoring tube,a voltage-stabilized source, a fiber grating demodulator, a notebook computer, an armored cable and a wire. Sensing elements in the sensing heating element are connected in series by the armored cable; the armored cable is connected with the fiber grating demodulator; and multi-measuring-point synchronous measurement is carried out by using a wavelength division multiplexing technology. The fibergrating demodulator is connected with the notebook computer. The sensing elements in the sensing heating element are connected in series by the wire; and the two ends of the wire are connected with the voltage-stabilized source to form a closed loop for electrification and heating. The sensing heating element penetrates the monitoring tube. The point heat source mobile distributed seepage monitoring system has the advantages: with construction of the point heat source heating system, the influence on the seepage monitoring result by the seepage direction can be eliminated; a spatial resolutionproblem of the fiber grating quasi-distributed sensing system is solved by mobile distributed monitoring; and the monitoring line can be taken out from the monitoring tube to carry out repairing or replacement.
Owner:SICHUAN UNIV

Intelligent variable sand spreading device for railway and urban rail transit trains

PendingCN109353355Asave gritavoid failure
The invention discloses an intelligent variable sand spreading device for railway and urban rail transit trains, which comprises a sand box, a variable sand spreader, an air pressure system, and an intelligent variable sand spreading controller. The sand isplaced in the sand box, the variable sand spreader is arranged at a sand outlet at the bottom of the sand box, the air pressure system is connected with the variable sand spreader.An intelligent variable sand spreading controller is connected with the air pressure system.The variable sand spreader is provided with a sand outlet pipe and a plurality of sand blowing nozzles with different lengths inside.The air outlets of the sand blowing nozzles with different lengths are all aligned with the sand inlet of the sand outlet pipe, and the distance between the sand outlet and the sand inlet is different.The sand outlet pipe extends out of the variable sand spreader and is connected with a nozzle, and the nozzle is arranged in alignment with the contact area of a wheel rail. The intelligent variable sand spreading device for railway and urban rail transit trainshas the advantages of saving sands, achieving the best wheel rail adhesioneffect, preventing the failure of train signal track circuits caused by excessive sands and preventing environmental pollution at the same time.
Owner:JIANGSU BIDE SCI & TECH CO LTD

Four-terminal perovskite and crystalline silicon laminated assembly and preparation method thereof

The invention discloses a four-terminal perovskite and crystalline silicon laminated assembly. The assembly comprises a plurality of perovskite cells and a plurality of crystalline silicon cells positioned below the perovskite cells, wherein each perovskite battery is provided with a positive electrode I and a negative electrode I. The positive electrodes I and the negative electrodes I of the plurality of perovskite cells are connected in series to form a perovskite cell pack. Each crystalline silicon cells is provided with a positive electrode II and a negative electrode II, and the positiveelectrodes II and the negative electrodes II of the plurality of crystalline silicon cells are connected in series to form a crystalline silicon cell pack. The invention further discloses a preparation method of the four-terminal perovskite and crystalline silicon laminated assembly. According to the technical scheme, the purpose of improving the efficiency and stability of the laminated assemblyis achieved by adjusting the structure of the transparent conductive electrodes and the series connection mode of the laminated cells. The long-term reliability of the four-terminal laminated assembly adopting the independent series structure is improved to a certain extent under the condition of outdoor work.
Owner:ZHEJIANG AIKO SOLAR ENERGY TECH CO LTD

Flexible temperature difference generation micro-unit structure

InactiveCN103888026Aavoid failure
The invention discloses a flexible temperature difference generation micro-unit structure. Multiple rows of and multiple even-number lists of beehive-shaped circular cavities are arranged on a base. Micro holes are formed on the bottoms of the other circular cavities except the circular cavities in the two lists on the rim, the inner bottoms of the circular cavities provided with the micro holes are coated with silver base nano particle ink which fills the micro holes and covers the bottoms of the circular cavities. P type electric heating arms and N type electric heating arms fill in each row of the circular cavities at interval, and the top end of each pair of the P type heat electric arm and the N type heat electric arm is connected by an upper layer copper wire. The N type heat electric arms and the P type heat electric arms which are provided with micro holes are arranged in a group, and the outer bottom faces of the circular cavities provided with the micro holes are connected by a lower layer cooper wire to form a flexible temperature difference generation unit structure. The invention is highly flexible and stable, and, when the temperature difference generation unit receives impacts, the substrate which wraps the heat electric arms can prevent the bismuth telluride electric heating material which has poor ductility from cracking and losing efficacy. The flexible temperature difference generation micro-unit structure can provide energy to the medical micro device implanted into the body and has a popularization application value.
Owner:ZHEJIANG UNIV

Automatic testing method for multilink communication of time division_machine-to-machine/man (TD_M2M) wireless module

The invention relates to an automatic testing method for the multilink communication of a time division_machine-to-machine/man (TD_M2M) wireless module. The method comprises the following steps of: (1) compiling a testing script by adopting an attention (AT) command of the TD_M2M communication module, and editing the testing script by adopting a .txt file; (2) powering the TD_M2M communication module on, connecting the TD_M2M communication module and a personal computer, judging whether communication is normal or not, and executing a step (3) if the communication is judged to be normal; (3) starting a wireless terminal server on the PC, connecting the wireless terminal server and the TD_M2M communication module by using a transmission control protocol (TCP/user datagram protocol (UDP) port, judging whether the communication is normal or not, and executing the step (4) if the communication is judged to be normal; (4) starting an automatic testing module on the wireless terminal server, and importing a related .txt file script for testing; (5) monitoring whether data on the wireless terminal server is consistent with data to be transmitted in the script or not in real time; (6) performing loop test, and executing the step (7) if the loop test is performed for set test times; and (7) checking whether test results are consistent with expected results or not. Compared with the prior art, the invention has the advantages of high testing efficiency and the like.
Owner:SHANGHAI SIMCOM LTD
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