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170results about How to "Ensuring Safety and Reliability" patented technology
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Block chain mining method, device, and node apparatus
ActiveUS20190312877A1Ensure safety and reliabilityEnsuring safety and reliabilityUser identity/authority verificationDigital data protectionBlockchainAuthorization
A registration and authorization method, device and system is used for solving the technical problem of relatively low safety of the existing authorization technology. The method is applied to an authorization server, the authorization server is a node in a blockchain network and stores a blockchain composed of a plurality of blocks, each block is used for storing authorization information, and the method comprises: receiving a registration request message sent by a user device, wherein the registration request message includes identification information, and the identification information is used for performing identity verification on a user; assigning authorization information to the user, wherein the authorization information is used for indicating a service that the user can access; and writing the identification information and the authorization information into the blocks of the blockchain through the authorization server.
Owner:CLOUDMINDS SHANGHAI ROBOTICS CO LTD
Internet-based catering and amusement management system and electronic menu and ordering method thereof
InactiveCN101540026AConfiguration highImprove performanceCommerceSpecial data processing applicationsDaily operationSystem maintenance
The invention discloses a catering and amusement management system and a special electronic menu and a self-help ordering method thereof. The internet-based catering and amusement management system comprises a remote data service unit, a remote application service unit, at least one catering and amusement shop operating unit and an access terminal unit, wherein the remote data service unit is used for the collective and concentrated storage of data from the units in the system; the remote application service unit is used for acquiring the data from the units, analyzing and processing the data collectively, distributing the data to the units and providing an internet-based catering management application service module; the at least one catering and amusement shop operating unit is used for the daily operation of a catering and amusement shop and the data interaction with the remote data service unit; and the access terminal unit is used for accessing the corresponding catering management application service module according to the right distributed by the remote application service unit. The system has high data safety, remote management, convenient and quick maintenance, low system maintenance cost and good augmentability, and can be simultaneously applied to the management of a plurality of catering and amusement shops with different brands.
Owner:杭州因餐信息技术有限公司
Test method of PID (Potential-Induced Degradation) of solar cell module
InactiveCN102565658AGood effectImprove accuracyPhotovoltaic monitoringPhotovoltaic energy generationPotential induced degradationElectrical battery
The invention discloses a test method of PID (Potential-Induced Degradation) of a solar cell module. The test method comprises the following steps of: (1) testing and recording initial data of a tested solar cell module; (2) installing the tested solar cell module in a high-temperature and low-temperature experimental environment box and carrying out insulated treatment between the tested solar cell module and the high-temperature and low-temperature experimental environment box; (3) polarly connecting the anode and the cathode of the tested solar cell module, which are subjected to short-circuited connection, with the cathode of high-voltage loading equipment, and connecting a frame of the solar cell module with the anode of the high-voltage loading equipment; (4) starting the high-temperature and low-temperature experimental environment box, starting the high-voltage loading equipment and debugging the high-voltage loading equipment to the output voltage value of 600-1000V, and simultaneously starting a current monitor for carrying out electric leakage monitoring; (6) testing and recording final data of the tested solar cell module; (7) comparing the initial data with the final data of the tested solar cell module and evaluating power degradation; and (8) finishing the test.
Owner:SHANGHAI & SOLAR TECH +1
Single-component thread locking epoxy precoated adhesive and preparation method thereof
InactiveCN101665674AStable storageNo chemical reactionNon-macromolecular adhesive additivesOther chemical processesEpoxyAdhesive
The invention discloses a single-component thread locking epoxy precoated adhesive which is characterized by being prepared from the following components in proportion by weight: 40-70 parts of epoxyresin, 10-80 parts of activated thinner, 20-60 parts of epoxy hardener, 8-20 parts of urea, 30-60 parts of formaldehyde solution, 10-30 parts of hydroxyphenol, 0.5-5 parts of stuffing, 5-15 parts of surfactant, 80-200 parts of distilled water, 0.5-2 parts of membrane material, 0.1-1 part of hydrolysis inhibitor and 5-10 parts of solvent; and a preparation method comprises the steps: firstly, respectively microencapsulating the epoxy resin and the epoxy hardener are and then uniformly mixing with other components in proportion. The single-component thread locking epoxy precoated adhesive has the characteristics of convenient construction, applicable workpiece material diversification, less curing condition restriction, good moisture resistance and high destabilizing moment and average disassembly moment, ensures the locking performance and better guarantees the safe reliability of products.
Owner:YANTAI DARBOND TECH
Tunnel protection structure crossing high-top and deep-bottom karst cave
InactiveCN101922301ASerious harm reductionFix security issuesUnderground chambersTunnel liningKarstEngineering
The invention relates to a tunnel protection structure crossing a high-top and deep-bottom karst cave, which is arranged in the high-top and deep-bottom karst cave and comprises a main body structure of a tunnel, a protective cover, a foundation protective cover, a foundation arc structure of the protective cover and a supporting arch bridge of the tunnel. The tunnel protection structure crossing a high-top and deep-bottom karst cave is characterized in that the protective cover is arranged above the main body structure of the tunnel; the foundation arc structure of the protective cover is arranged at the foundation root of the protective cover; and the foundation arc structure of the protective cover spans over the karst cave; a tunnel bottom arc structure spanning over the karst cave is arranged below the main body structure of the tunnel; and the tunnel bottom arc structure supports the main body structure of the tunnel. , by the tunnel protection structure crossing a high-top and deep-bottom karst cave, a high-top and deep-bottom semi-filling karst cave with short longitudinal distance can be protected, the purpose of minimizing serious damage of dangerous falling rocks to projects is realized, and the safety and the reliability of the construction and the long-term operation of the main body structure of the tunnel can be ensured.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
Electromobile driving system vector control method using double inverters
InactiveCN104753430AEasy to controlEliminate common mode voltageElectronic commutation motor controlVector control systemsStator voltageSynchronous motor
The invention discloses an electromobile driving system vector control method using double inverters. The electromobile driving system vector control method includes the following steps: collecting three-phase stator current, rotor position and rotating speed in an unwinding permanent magnetic synchronous motor, wherein the three-phase current is subjected to 3S / 2R conversion to acquire current under a two-phase rotating coordinate system. A system adopts the vector control method with id equal to 0, a stator voltage instruction under the two-phase rotating coordinate system is acquired through double closed-ring control of a rotating speed outer ring and a current inner ring, stator voltage under the two-phase static coordinate system is acquired through 2R / 2S coordinate conversion, control pulse of the double inverters is acquired through a single-power-source double-inverter SVPWM (space vector pulse width modulation) module, and switch devices of the double inverters are triggered to realize vector control of double-inverter SVPWM of the unwinding permanent magnetic synchronous motor. The electromobile driving system vector control method has the advantages that the unwinding permanent magnetic synchronous motor is quick to start, high in overload capability and good in speed adjusting performance; due to the single-power-source double-inverter SVPWM, voltage level of the system is increased, and safety and reliability of the system are guaranteed.
Owner:SOUTHEAST UNIV
Respirator and method for calibrating flow rate measuring component thereof
ActiveUS20080257350A1Ensuring safety and reliabilityConvenient calibrationRespiratorsMedical devicesElectricityMeasuring instrument
A respiration apparatus and a method for calibrating respiration parameters thereof are provided. A flow measuring reference component arranged behind the inspiratory valve in the ventilator is used as a flow measuring reference sensor for calibrating the flow sensor so that the flow rates of the gas through the flow measuring reference component and the flow sensor to be calibrated are identical or in a corresponding relation. Electrical parameters output from the flow sensor and the flow measuring reference component are respectively acquired and processed to obtain a relation curve of the gas flow rate and the electrical parameter of the flow sensor on the basis of the read gas flow rate and the electrical parameters of the flow sensor. The present invention enables automatic calibration for a flow sensor without using any measuring instrument.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
Traditional Chinese medicine hyperthermia treatment device
InactiveCN110200799AGuaranteed efficacyDecompose fullyRotary stirring mixersTransportation and packagingWhole bodyTherapeutic effect
The invention discloses a traditional Chinese medicine hyperthermia treatment device, which comprises a main body of a hyperthermia treatment device, a support plate is fixedly mounted on the top of the main body of the hyperthermia treatment device, and the upper surface of the support plate is slidably mounted with a fumigation housing in a horizontal direction. The traditional Chinese medicinehyperthermia treatment device can accelerate the full decomposition of the active ingredients in the traditional Chinese medicine into the water by stirring with a stirring rod, the traditional Chinese medicine hyperthermia treatment device is beneficial to ensure the maximum efficacy of the traditional Chinese medicine; at the same time, a patient is subjected to fumigation hyperthermia in the fumigation housing, which can maximize the heating of the whole body of the patient, and a heating area is large, and the therapeutic effect of the hyperthermia is improved; fumigation during the massage can speed up the blood circulation of the patient's body and stimulate the skin hair follicles at the massage part, the steam containing the traditional Chinese medicine can be quickly absorbed, thethe absorption efficiency of traditional Chinese medicine is increased, and the traditional Chinese medicine hyperthermia treatment device ultimately improves the therapeutic efficacy of traditionalChinese medicine.
Owner:代琳
Jet airplanes
A jet airplane features that its main body is a flat rectangle and its longitudinal cross-section and two sides are all the cross-section of standard wing. Its advantages are high elevating force generated by its main body, short length and span, lower height, light dead weight and low cost. It has also the engine able to jet in different directions and the emergency lifesaving system.
Owner:WUHAN UNIV
Method and device for laser cleaning paint
ActiveCN111014185AAvoid damageNo damageCleaning processes and apparatusEngineeringMechanical engineering
The invention discloses a method and device for laser cleaning paint, and belongs to the technical field of paint cleaning. The method is used for solving the problems that at the present, the cleaning efficiency is low and the workpiece is prone to damage; the scheme adopted by the method mainly comprises the following steps that a corresponding relation between a paint thickness average value ofthe surface of a workpiece and a laser cleaning parameter is established; the paint thickness average value of the surface of the workpiece to be cleaned is measured, and the corresponding laser cleaning parameter is selected for laser cleaning of the paint on the surface of the workpiece; after the cleaning is completed, whether the cleaning surface is clean or not is detected; if not, an uncleaned area is determined, and the paint thickness average value corresponding to the uncleaned area is detected; the corresponding laser cleaning parameter is selected according to the detected paint thickness average value, the uncleaned area is cleaned again, and the steps are repeated until the uncleaned area is cleaned. According to the scheme, and the method and device have the advantages of being high in cleaning efficiency, safe and reliable, high in automation degree, free of damage to the workpiece and the like..
Owner:ZHUZHOU NAT INNOVATION RAILWAY TECH CO LTD
APK reinforcing protection method and system
ActiveCN105631251AReal-time monitoring of privacyEnsure safetyProgram/content distribution protectionUser-defined codesSoftware engineering
The embodiment of the invention provides an APK reinforcing protection method. The method is characterized by comprising the steps that an APK to be reinforced is obtained; the APK to be reinforced is decompiled, and an instruction code needing to be protected in the APK to be reinforced is extracted; the instruction code needing to be protected in the APK to be reinforced is replaced with a user-defined code, wherein the user-defined code comprises code data incapable of being executed by a computer, and the APK to be reinforced is subjected to reinforcing protection. The embodiment of the invention further provides an APK reinforcing protection system. Reinforcing protection on the APK is achieved, and the APK is effectively prevented from being reversely analyzed or tampered or secondarily packaged.
Owner:BEIJING QIHOO TECH CO LTD
Gas leakage monitoring system, FLNG system and gas leakage monitoring method thereof
PendingCN109029847ARealize online monitoring and controlImprove securityComponent separationThermometers using electric/magnetic elementsControl mannerEngineering
The invention relates to a gas leakage monitoring system, a FLNG system and a gas leakage monitoring method thereof, and belongs to the field of the health, the environmental protection and the security. The monitoring system comprises a sensing unit, a control unit and an optical communication unit; the sensing unit collects gas concertation, environment temperature, wind speed and like information; the control unit acquires the data collected by the sensor, performs signal conditioning, generates a control instruction and sends to a purification device; and the optical communication unit performs data communication with the FLNG system by adopting the optical fiber. The hydrogen sulfide online monitoring is realized by performing automatic monitoring system design by adopting a centralized distributed control way, once the hydrogen sulfide leaks, the emergency purification treatment is immediately performed, the security and the reliability of the system are improved. The monitoringdevice disclosed by the invention has a time sensitive network, the certainty communication and synchronous measurement can be performed on various standard Ethernets, the monitoring device can be independently operated by breaking away from an upper computer, and the monitoring efficiency is improved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Power supply circuit
InactiveUS20140084893A1Suppress surge currentReduce power consumptionElectric variable regulationLeading edgePower switching
Disclosed is a power supply circuit of an electric device. The power supply circuit comprises a power source configured to output a power source voltage; a power source voltage detecting circuit configured to detect the power source voltage, and to output a first voltage control signal; a leading edge delay circuit configured to receive the first voltage control signal, and to output a second voltage control signal; an electronic switch connected in series between the power source and the load, configured to turn on or turn off power supply from the power source to the load; and a slow turn-on circuit configured to receive the second voltage control signal.
Owner:RICOH KK
Method for identifying cigarette authenticity based on self-encrypted self-checking two-dimensional code
InactiveCN104899751AEnsuring Safety and ReliabilityEnsure safetyCommerceRecord carriers used with machinesManagement unitBiological activation
Disclosed in the invention is a method for identifying cigarette authenticity based on a self-encrypted self-checking two-dimensional code. A generation unit of a two-dimensional management unit generates a self-increasing serial number to generate a unique two-dimensional code; a printing unit prints the two-dimensional code at a designated position of a box skin package; a producing unit uses the box skin printed with the two-dimensional code to carry out cigarette packaging and uses a scanning device to scan a cigarette after primary packaging, the two-dimensional code that has been applied to production is recorded and is submitted to an activation unit (12) of a two-dimensional code management unit (1) to carry out activation processing; a user uses a scanning unit to scan the two-dimensional code printed at the internal package; an identification unit of the two-dimensional code management unit carries out decoding to obtain a serial number; and the identification unit of the two-dimensional code management unit carries out cigarette authenticity judgment according to the activation state of the serial number and the number of times of submission. According to the invention, a unique self-encrypted self-checking two-dimensional code is printed at each package of cigarettes, so that a consumer can use an intelligent terminal to scan the unique two-dimensional code at each package of cigarettes, thereby obtaining cigarette authenticity information simply, conveniently, and rapidly.
Owner:CHINA TOBACCO GUANGXI IND
Underwater solvent-free epoxy anchoring adhesive and preparation method thereof
The invention provides an underwater solvent-free epoxy anchoring adhesive and a preparation method thereof. The underwater solvent-free epoxy anchoring adhesive consists of a component A and a component B in the weight percentage of 1:1, wherein the component A consists of the following components in parts by weight: 30-45 parts of epoxy resin E-44, 5-13 parts of epoxy resin E51, 3-8 parts of diluting agent, 0.5-0.75 part of coupling agent, 0.1-0.2 part of dispersant, 0.1-0.3 part of antifoaming agent, 0.4-3 parts of thixotropic agent, 20-30 parts of active micro silicon powder, 5-8 parts ofcalcium carbonate, 5.6-12 parts of quartz sand and 2-5 parts of aluminum oxide; the component B consists of the following components in parts by weight: 48-54 parts of completely-underwater epoxy curing agent 1085A, 44-50 parts of active micro silicon powder and 0.2-0.4 part of thixotropic agent; the diluting agent is benzyl alcohol; the coupling agent is ND-42 or KH 560; the dispersant is BYK P104S; the antifoaming agent is BYKA530; and the thixotropic agent is bentonite or white carbon black or a mixture of the bentonite and the white carbon black. The underwater solvent-free epoxy anchoring adhesive is prepared by mixing the prepared component A with the prepared component B in the weight ratio of 1:1.
Owner:长沙普照材料科技有限责任公司
Method for controlling formation quantity of bromate in ozone oxidized water treatment process by TiO2
InactiveCN102616916AReduce generationPromote degradationWater/sewage treatment by oxidationBromineWater quality
The invention relates to a method for controlling the formation quantity of bromate in an ozone oxidation process of drinking water by introducing a nano TiO2 catalyst, which avoids negative effects brought to the safety and the reliability of the drinking water of the traditional method for controlling the bromate by adding chemical drugs. According to the method, settled water treated by a conventional method is directly filled into a nano TiO2 catalyst bed for ozone contact and catalytic ozone oxidation, or after the settled water is subjected to ozone contact and catalytic ozone oxidation in a primary nano TiO2 catalyst bed, water still containing ozone is filled into a secondary nano TiO2 catalyst bed for carrying out a catalytic reaction, wherein the contact oxidation time is 10-20min. The method has the advantages that the nano TiO2 has obvious efficiency of reducing the formation quantity of the bromate in the ozone oxidation process and also has obvious control efficiency to the formation quantity of the bromate in the ozone oxidation process of water with high bromide ion concentration, the formation potential to trihalomethane and the reduction efficiency to DOC of individual ozone oxidation can be improved, and other toxic and side effects cannot be caused to the quality of the drinking water.
Owner:NANKAI UNIV
Sitagliptin impurity and preparation and detection method thereof
ActiveCN106478637AEnsuring Safety and ReliabilityHigh yieldOrganic chemistryComponent separationSitagliptinPyrazine
The present invention provides sitagliptin impurity compound I and a preparation method and application thereof in the quality control study of sitagliptin. The sitagliptin impurity compound I is as follows: (R)-3-amino-N-[(R)-4-oxy-4-(3-(trifluoromethyl)-5, 6-dihydro-[1, 2, 4] triazole[ 4, 3-a] pyrazine-7(8H)-yl)-1-(2, 4, 5-trifluorophenyl) butyl-2-yl)-4-(2, 4, 5-trifluorophenyl) butyramide.
Owner:NANJING CHIA TAI TIANQING PHARMA
Self-encrypting self-checking two-dimensional code encoding and decoding method
ActiveCN104915701AEnsuring Safety and ReliabilityEnsure safetyDigital data protectionRecord carriers used with machinesSelf checkingData records
The invention discloses a self-encrypting self-checking two-dimensional code encoding and decoding method, which comprises the steps of: selecting a record randomly from a data record sheet corresponding to a currently-used secret key batch number, wherein the record comprises salt and a secret key; connecting the salt and a product serial number into a character string, encrypting the character string via the secret key by using a symmetric key algorithm to obtain a ciphertext; connecting the key batch number, the salt and the ciphertext into a character string serving as a parameter; and combining a given address and the parameter to obtain a Url, which serves as a required two-dimensional code information code. The self-encrypting self-checking two-dimensional code encoding and decoding method can realize the self-encrypting self-checking encoding and decoding of two-dimensional code information, so that the two-dimensional code information is difficult to forge, and can directly judge whether the two-dimensional code is forged according to the two-dimensional code information.
Owner:CHINA TOBACCO GUANGXI IND
Trigger and generator voltage regulator
ActiveCN105577053AExtend your lifeEnsuring Safety and ReliabilityAmplifier detailsGenerator control by field variationOvervoltageVoltage regulation
The invention provides a trigger and a generator voltage regulator. The trigger comprises a comparison unit, which is connected with a power supply end, ground and a switch unit and is used for outputting a first voltage to the switch unit when the voltage at an in-phase input end is larger than that of an inverse-phase input end, and outputting a second voltage to the switch unit when the voltage at the in-phase input end is smaller than that of the inverse-phase input end; the switch unit, which is connected with the ground or the positive pole of a power supply and a trigger control end, and is used for enabling the control end to be conducted with the ground under the control of the comparison unit, or enabling the control end to the conducted with the positive pole of the power supply; and a feedback unit, which is connected with the control end and the inverse-phase input end of the comparison unit, and is used for positively feeding back the signal of the control end to the inverse-phase input end of the comparison unit. When the trigger is applied to the voltage regulator, integration of multiple functions of excitation fixed-frequency triggering, immediate overvoltage cutting off and over-current protection is realized; and a sampling circuit does not need a capacitor, and synchronous detection and overvoltage excitation cut off are realized, and overtime overvoltage excitation does not occur, so that the effects of stable voltage, accurate adjustment and being safe and reliable are achieved, and the service life of the regulator and the service life of a generator are prolonged.
Owner:西安丝路知星科技服务有限公司
Automatic product control and production system and realizing method thereof
ActiveCN103777593ARealize automatic schedulingReduce waitingTechnology managementTotal factory controlAutomatic controlApplication software
The present invention discloses an automatic product control and production system which comprises the components of: a database, a monitoring service module, a main monitoring end module, a monitored agent module and a controlled application software interface dynamic link library; wherein the components are arranged in a distributed manner. The automatic product control and production system has the beneficial technical effects of: realizing task management for data product production and automatic scheduling of application software, reducing waiting time consumption of control personnel; reducing labor intensity of the control personnel and improving human resource utilization rate; sufficiently ensuring high safety and high reliability in the data product production process through technical means of distribution type configuration of components of the software, hard disk storing of instruction file, agent offline data storage of the monitored end, etc.; and realizing parallel execution of the production tasks for a plurality of data products through multi-threading technology in task scheduling.
Owner:中软信息系统工程有限公司
Method for hoisting inclining shuttle-shaped space truss
The invention provides a method for hoisting an inclining shuttle-shaped space truss, which includes the following steps that: the truss is bound in a single-rope and double-pivot mode; two cranes are provided and two suspension points are arranged under the cranes; the truss is assembled and is horizontally hoisted after the assembly is finished; when a lifting height exceeds a low side in-situ height of the truss, the two cranes stop lifting; after the truss is stable, the low side crane stops lifting, and the high side crane continues lifting and finally stops lifting after the lifting height exceeds a high side in-situ height of the truss; the two cranes work cooperatively, so that big arms of the two cranes extend forward or withdraw backward, and the truss is hoisted to be right above the in-situ state; hooks are lowered from the cranes until two bearing balls of the truss fall on bearings at the tops of columns so as to finish the primary placement; the truss is corrected; and the bearing balls of the truss are welded on the bearings at the tops of the columns, and the track cranes loosen the hooks and the hoisting operation is finished. The above method lowers the hoisting height, reduces a horizontal stress generated by the hoisting operation, and enables horizontal hoisting members to be put in place rapidly and stably.
Owner:CHINA CONSTR SCI & IND CORP LTD
Electric phase separation self-actuated switching control device used for pantograph passing neutral section
InactiveCN103465802AConducive to systematic maintenance and managementEasy maintenance and managementTrolley linesContact lineControl system
The invention discloses an electric phase separation self-actuated switching control device used for an electrified railway pantograph passing neutral section. The electric phase separation self-actuated switching control device is formed in a manner that an online phase separation section is connected with a switching control compartment by high-voltage cables 18, 19 and 20, wherein the switching control compartment is arranged at a line side. As the online phase separation section forms symmetrical power supply delay process sections L1 and L2, linked power supply sections L8 and L9, switching limit process sections L6 and L7 and pantograph envelope sections L3 and L4 capable of meeting requirements of any speed zones and any pantograph rectification manners, signal acquisition contact lines 5 and 6 are lapped by utilizing a pantograph, control signals are provided by signal acquisition units 16 and 17, program control is performed on working conditions of normally-opened switches 21 and 22, a normally-closed switch 23 and a resistor 25 by a control system 26, and all functions required by the pantograph passing neutral section are automatically completed on line. The pantograph passing neutral section problem is completely solved by a contact network, and an effect that the passing neutral section is irrelevant to driving is achieved. The electric phase separation self-actuated switching control device used for the electrified railway pantograph passing neutral section is suitable for any zones, speed zones, locomotive crews or motor train units and pantograph rectification manners, and has the characteristics that the safe reliability is high, the service life is long and the operation cost-effectiveness is low.
Owner:林久毅 +1
Automatic switching controlling device of two neutral sections for electrified neutral section passing of locomotive
InactiveCN104709117AEnsuring Safety and ReliabilityAccurate, true and reliablePower supply linesCurrent limitingControl system
Owner:林久毅 +1
Grounding gun for grounding wire of high-voltage equipment
InactiveCN103928814AAvoid personal injuryCompact structureLine/current collector detailsElectricityEngineering
The invention discloses a grounding gun for a grounding wire of high-voltage equipment. The grounding gun for the grounding wire of the high-voltage equipment comprises a gun head and an insulation rod which are connected. A cavity is formed inside the gun head. A power source, an electromagnet and a pull switch are arranged in the cavity. A power source is connected with the electromagnet through the pull switch and a connection guide line. The upper end of a pull rope of the pull switch is connected with a movable contact of the pull switch. One end of the power source is connected with one static contact of the pull switch through a guide line. One end of an electromagnet coil of the electromagnet is connected with the other static contact of the pull switch through a guide line. A pull switch housing and a stay wire are electrical insulators. The power source and the electromagnet are connected with the inner wall of the cavity through an insulation rubber board. The lower portion of the gun head is provided with a gun head opening. The gun head opening is combined and connected with an electrical insulation end cover through a screw and a nut. The end cover is connected with the insulation rod. The grounding gun for the grounding wire of the high-voltage equipment is compact in structure and convenient to operate. The safety and reliability of the grounding wire assembling work can be ensured, personal injury to operators from high voltage is avoided, and the efficiency of the grounding wire assembling and disassembling work is improved.
Owner:STATE GRID CORP OF CHINA +1
Product information display body and product authentication method
InactiveUS20070166517A1Credibility of be enhanceEnsure reliability and safetyStampsDecorative surface effectsFluorescenceWavelength range
There is provided an economical product information display body A capable of increasing credibility of the product information and sufficiently assuring product reliability and safety at a low cost. The display body A is attached to a product and has a visible information display C relating to the product and invisible information identification means D. The invisible information identification means D is composed of an information presenting substance consisting of one or more elements emitting fluorescence when radiated by an electromagnetic wave of a particular wavelength range or a compound consisting of two or more elements or a substance including these elements or a compound. One or more information of the product information display by the visible information display is correlated to the information presenting substance.
Owner:FP CORP +1
Stator and rotor punching sheet production line
ActiveCN104201834AImprove efficiencyReduce manufacturing costManufacturing stator/rotor bodiesPunchingManufacturing technology
The invention belongs to the motor manufacture technology field, and relates to a stator and rotor punching sheet production line. The stator and rotor punching sheet production line comprises a clipping system used to clip a silicon steel coil into blanking plates and a punching device used to punch the blanking plates into stator and rotor punching sheets, wherein a screening device is obliquely arranged on a punching sheet outlet of the punching device, and one end of the screening device, which is higher than the other end of the screening device, is located on the punching sheet outlet of the punching device. The stator and rotor punching sheet production line further comprises a sorting device used to sort the stator and rotor punching sheets which fall onto the ground. The stator and rotor punching sheet production line improves production efficiency, saves labor, and thereby saves cost.
Owner:LUAN MICRO & SPECIAL MOTOR
A trusted authentication system and method based on block chain
InactiveCN109145647AEnsure authenticityEnsure uniquenessData processing applicationsDigital data protectionValidation methodsAuthentication server
The invention provides a trusted authentication system and a trusted authentication method based on a block chain, the method comprising steps: by using block chain technology instead of traditional data storage and verification methods, decentralization is realized, that is, a centralized agent is not needed, a high efficiency and large-scale interaction mode is directly realized, and users can not easily tamper with the correct information, once the information of a node changes, the entire 'block chain' of each node will perceive the behavior to ensure the authenticity and uniqueness of therelevant data; by using authentication server, different users can be assigned different application privileges to achieve effective management and information protection; the whole system can prevent user information from being tampered with, ensure the authenticity and uniqueness of the relevant data, assign different application rights to different users, and ensure the security and reliability of the system.
Owner:武汉笑脸科技有限公司
Detection method for influences of clamping force on thin-wall piece machining deformation
ActiveCN110919459AImprove reliabilityEnsuring Safety and ReliabilityMeasurement/indication equipmentsMachining deformationMachined surface
The invention discloses a detection method for influences of clamping force on thin-wall piece machining deformation. The detection method comprises the steps that firstly, basic conditions needing tobe met by clamping force are calculated; secondly, different degrees of clamping force is selected, and clamping under the action of different degrees of pressing force is developed; thirdly, a facesupporting and four-point-clamping clamping manner is adopted for conducting the milling test on a thin plate piece; fourthly, pressure sensors are adopted for measuring the clamping force, and clamping force changes in the milling machining process are recorded; fifthly, after milling is finished, a three-coordinate measuring machine is used for measuring the planeness of the machined surface; and sixthly, through the contrastive analysis on the planeness value when the clamping force is different, the influence rule of the clamping force on deformation is obtained, and accordingly the clamping force value when planeness requirements are different is obtained. Through the milling test under the condition of different degrees of clamping force and in combination with measurement of the clamping force at the beginning of machining and clamping force changes in the machining process, the deformation situation after machining of different thin-wall pieces is obtained through measurement of the surface planeness, and the influence rule of the clamping force on the planeness is obtained.
Owner:SHENYANG AEROSPACE UNIVERSITY
Power-distribution-network outdoor equipment five-prevention intelligent lock
ActiveCN107605255ASolve time-consuming technical problemsSolve technical problems that are prone to misoperationNon-mechanical controlsKeysControl engineeringMechanical engineering
The invention provides a power-distribution-network outdoor equipment five-prevention intelligent lock which comprises a lock body, a lock rod, a lock core, a lock tongue, a pressing plate, first pressing-plate springs, second pressing-plate springs and an electrically-controlled unlocking component. The lock rod is elastically arranged on the lock body, the lock core is rotatably arranged insidethe lock body, the lock tongue is arranged inside the lock body, fixedly connected with the lock core and movably matched with the lock rod, the pressing plate is movably arranged inside the lock bodyand is used for controlling the unlocking and locking, the first pressing-plate springs and the second pressing-plate springs are arranged inside the lock body and support the pressing plate from thetop and the bottom of the pressing plate correspondingly, and the electrically-controlled unlocking component comprises a control plate, a solenoid, a jacking rod, a returning spring and two input electrodes. When the intelligent lock is used, the intelligent lock gains electricity from an electronic key of complementary design through the two input electrodes and works, and after the authorization information of the electronic key is validated to be eligible, the unlocking is performed; and meanwhile the unlocking can be further performed by a matched emergency machinery key. The power-distribution-network outdoor equipment five-prevention intelligent lock is convenient to carry and use, the routing-inspection and unlocking efficiency and accuracy of the power-supplying department are improved by means of the power-distribution-network outdoor equipment five-prevention intelligent lock, misoperations are effectively prevented, and the operational and maintenance cost of the outdoor equipment five-prevention lock can be saved for the power-supplying department.
Owner:CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +3
Self-cleaning assembly employing a gap filler for a guidance or runway rail on the ground
InactiveUS20090206169A1Ensure reliabilityEnsure safetyRailsBallastwayFilling materialsCompressibility
A self-cleaning assembly employing a gap filler for a rail on the ground which guides or in which there runs rollers or wheels with lugs housed in a groove so as to lie flush with or protrude only slightly from the ground and which has a gap on the side of the rail corresponding to the passage of the lug. A filling substance is placed in the gap outside of the dynamic footprint of the lug and at least partially lines the gap, at least partially filling it. The filling material has properties of compressibility and is positioned in such a way that under all normal conditions of use or normal environmental conditions, the gap remains filled outside of the dynamic footprint of the lug.
Owner:LOHR IND
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