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Client distribution automation remote real time monitoring system
InactiveCN101216709AReduce maintenance costsGuaranteed uptimeTotal factory controlProgramme total factory controlLow voltagePower grid
The invention relates to a client distribution network automatic remote real-time monitoring system, which conducts remote real-time monitoring on electrical equipments of at least one low-voltage and mid-voltage substation via a main network or a standby network. The system comprises a centralized control center and a plurality of subsite terminals which are communicated with the centralized control center via the network. The system has the advantages of that: a set of automatic management systems are constructed on the subsite terminals, and the centralized control center conducts uniform real-time monitoring on a client substation through the management mode of communicating the network with the centralized control center; thereby ensuring the safe operation of the client substation when unattended, creating an automatic monitoring system, supplying the automatic remote monitoring system of a gap that a prior domestic substation can only be used in a large-scaled substation in the main grid of the power network due to high cost and challenging communication requirements and a common low-voltage and mid-voltage substation is unable to realize automatic remote monitoring due to financial and technical reasons, and establishing the technical basis for major electrical users to achieve socialized professional operation and maintenance.
Owner:毛建良
Denitration catalyst regenerating solution and regenerating method thereof
ActiveCN102059156AThe regeneration process is easy to operateAvoid unsafe factorsDispersed particle separationCatalyst regeneration/reactivationProcess engineeringAmmonium metatungstate
The invention discloses a cellular denitration catalyst regenerating solution for a coal fired power plant and a regenerating method thereof. The regenerating solution comprises a cleaning solution and an activated replenishing solution, wherein the cleaning solution contains H2SO4 and an emulsifying agent S-185; the activated replenishing solution contains VOSO4 and ammonium paratungstate; and ultrasonic cleaning is adopted in the cleaning method. The regenerated catalyst has relative activity (K / Ko) of 0.95-0.99 and SO2 / SO3 conversion rates of both less than 1 percent and meets the requirement on the engineering; and the regenerating process is simple in operation and is suitable for industrialized massive regeneration.
Owner:CHONGQING YUANDA CATALYST MFG +1
Balancing valve
InactiveCN1356481AEasy to controlSensitive controlServomotor componentsSinistral and dextralEngineering
A balancing valve for the engineering machine with 8-50 tons of lifting weight is composed of main valve and pilot valve. The said main valve consists of cylindrical valve body and main valve core. The said pilot valve is positioned in the main valve core. The core of pilot valve is linked to main valve core via springs. The main valve core is linked to valve body via more springs with different spriral directions and rigidities. Its advantages include correct, sensitive and reliable control, and preventing the burble dropping down of load.
Owner:卢永松
Polyvinyl chloride mixture with excellent impact resistance and processing performance
The invention discloses a polyvinyl chloride mixture with excellent impact resistance and processing performance. The mixture comprises the following raw materials in part by weight: 80 to 99 parts of polyvinyl chloride and 1 to 20 parts of novel impact modifier, wherein the sum of the weigh parts of the polyvinyl chloride and the novel impact modifier is 100. The novel impact modifier is a core-shell graft copolymer consisting of the following components in percentage by weight: 60 to 95 percent of rubber core and 5 to 40 percent of shell, wherein the rubber core is obtained by copolymerizing a mixture consisting of butadiene and a C-C double bond-containing compound and a cross-linking agent containing two or more C-C double bonds; and the shell is obtained by copolymerizing a mixture of acrylate ester compounds and a monomer containing a C-C double bond-containing compound or a mixture of the C-C double bond-containing compound. The polyvinyl chloride mixture can be widely applied to PVC profiled bars, PVC pipes, PVC plates and sheets and the like.
Owner:SHANDONG RIKE CHEM
Upper limb rehabilitation training system by using augmented reality technology
InactiveCN102908772AIncreasing economic pressureEasy to useSport apparatusLive actionUpper limb rehabilitation
Provided is an upper-limb rehabilitation training system by using augmented reality technology. A patient holds a training device with labels by hands to perform a rehabilitation training of an upper-limb movement function in a way of augmented reality game. The upper-limb rehabilitation training system by using the augmented reality technology comprises a video acquisition module, an augmented reality registering tracking module, a rehabilitation game algorithm module, a three-dimensional model module, a live-action fusion module, a user data module and a therapist module. The video acquisition module acquires live-action videos of rehabilitation training of the patient in real time, and the augmented reality registering tracking module identifies the labels and calculates parameters of the live-action videos. The rehabilitation game algorithm module provides augmented reality rehabilitation training games. The user data module saves recorded training data of the patient. The three-dimensional model module stores a three-dimensional model of a virtual object. The live-action fusion module fuses the virtual object with a reality scene to generate augmented reality rehabilitation game video information. By the aid of the upper-limb rehabilitation training system, enjoyment of the rehabilitation training of the upper-limb movement function is increased. The upper-limb rehabilitation training system is low in cost and easy to use.
Owner:SOUTHEAST UNIV
Intelligent logistics device and intelligent logistics system
InactiveCN104616403ARealize data communicationEliminate phone callsApparatus for meter-controlled dispensingLogisticsComputer hardwareLogistics management
The invention provides an intelligent logistics device and an intelligent logistics system. The device comprises a self-assisted cabinet (including grids provided with cabinet doors and electric control locks) for storing expresses, a control module, a wireless communication module and a barcode scanning module, wherein the device is accessed to a background server of a logistics company through the wireless communication module of the control module, so that data communication with the background server of the logistics company is realized. Verification barcode information is acquired by the barcode scanning module and the verification barcode information is verified through the control module, so that the step of telephone communication between the sender and the receiver is canceled in virtue of the manner that the verification barcode information is verified through the barcode scanning module and the control module, and the efficiency is improved; the verification result is more accurate and potential unsafe factors are avoided, so that the family privacy of the receiver is protected well. The device and system are relatively wide in applicability, and are suitable for express companies as well as persons and companies besides the express companies, so that the person-to-person logistics demand is expanded.
Owner:潘雄辉
Device and method for automatically starting mobile-phone driving mode during driving of vehicle
The invention discloses a device and method for automatically starting a mobile-phone driving mode during the driving of a vehicle. The device comprises a vehicle driving state detection unit, a danger warning and control unit, a vehicle-mounted mobile-phone detection unit and an internal mobile-phone driving mode control unit, wherein the input end of the vehicle driving state detection unit is connected with a speed sensor, and the output end of the vehicle driving state detection unit is connected with the vehicle-mounted mobile-phone detection unit; the input end of the danger warning and control unit is connected with the output end of the vehicle-mounted mobile-phone detection unit; the output end of the vehicle-mounted mobile-phone detection unit is connected with the input end of the internal mobile-phone driving mode control unit; the vehicle driving state detection unit is communicated with the danger warning and control unit. The device and the method disclosed by the invention have the advantages that a mobile phone enters the driving mode automatically when the vehicle is driven and assists a driver to process incoming calls or short-message events of the mobile phone, so that the accidents caused by the behaviors of a user in dialing or receiving the mobile phone in the driving process of the vehicle can be effectively avoided.
Owner:JIANGSU UNIV
Tail end executor of fragrant pear picking robot, and picking method
PendingCN109105001ANovel methodCompact structurePicking devicesRenewable energy machinesPEARButt joint
The invention provides a tail end executor of a fragrant pear picking robot, and a picking method. The tail end executor comprises a manipulator butt joint disc, a shell of a motor A and four knife rests, wherein the manipulator butt joint disc is in butt joint with a robot mechanical arm, the shell of the motor A is connected with the manipulator butt joint disc and is positioned in a transmission mechanism, and the four knife rests are connected with connecting rods of the transmission mechanism and an installation frame. The method comprises the following steps of accessing points by usinga camera, carrying out fixation by using a sucking disc, carrying out cutting by utilizing arc-shaped blades, withdrawing the mechanical arm to release fragrant pears, and the like. According to the invention, shearing efficiency is improved, time consumption for carrying out image recognition and segmentation on fruit contours and fruit stems by a sensing mechanism is reduced, precision quality of picking operation is guaranteed, picking difficulty is lowered, and operation efficiency is improved
Owner:SHIHEZI UNIVERSITY
Dynamic trajectory planning method for performing obstacle avoidance and overtaking based on lane line parallel shift
InactiveCN109324620AImprove efficiencySatisfy securityPosition/course control in two dimensionsVehiclesState spacePlanning approach
The invention relates to a dynamic trajectory planning method for performing obstacle avoidance and overtaking based on lane line parallel shift. Different state spaces are established for different road scenes, so that trajectory planning under different working conditions is achieved; and a more accurate subsequent real-time trajectory is planned through coordinate conversion and decoupling. Themethod has the beneficial effects that the different state spaces are established for the different road scenes, so that the effective and accurate trajectory planning under the different working conditions is achieved; through the coordinate conversion and decoupling, the more accurate real-time trajectory planning is achieved for a subsequent trajectory planning party; a planned trajectory screening objective function and constraint conditions are set, so that the trajectory planning efficiency is improved, and the safety, comfort and stability requirements of trajectory planning are met; and evaluation conditions for ensuring the path consistency are set, so that the situation that unsafe factors are generated for a planned path due to environmental changes during vehicle running is avoided, and a dangerous warning of the planned path can be found in time to carry out trajectory re-planning or a driver can be reminded to carry out intervention operation when an optimal path cannotbe selected.
Owner:北京主线科技有限公司
Multifunctional split underwater sightsee cruiser
InactiveCN101229842AAvoid unsafe factorsThere will be no negative consequences of over-limit sinkingUnderwater vesselsUnderwater equipmentAir cycleFlute
The invention discloses a multifunctional detachable yacht of diving and sightseeing. A lower part of the yacht on water is provided with a rise-and-fall underwater sightseeing cabin; both ends of the underwater sightseeing cabin are provided with air circulation tubes; the middle of the air circulation tubes are provided with a rise-and-fall elevator; the circumference of the underwater sightseeing cabin is provided with a meshy diving chamber which is integrated into a whole with the underwater sightseeing cabin via a rise-and-fall positioning rod; a center on the bottom of the yacht on water is provided with a flute; the underwater sightseeing cabin is hung on a yacht lifting device; when a preset limitation is reached, the underwater sightseeing cabin and the meshy diving chamber are reset synchronously inside the flute. The invention solves the complication of the underwater sightseeing facility and the uncertainty of the safety terminal technique and gets rid of the dependency on high required technical facilities. The simple and scientific structure design guarantees safety and is easy for management and control. The multifunctional detachable yacht of diving and sightseeing has the advantages of low manufacture and operating cost and safe and comfortable riding.
Owner:尤祖林
Process for preparing 3,4-diaminodiphenyl ether
InactiveCN1485315AAvoid unsafe factorsEliminate high vacuum distillation stepsOrganic compound preparationAmino-hyroxy compound preparationDiphenyl etherDiaminodiphenyl ether
A process of preparing 3ú¼4'-diamino diphenyl ether. It comprises: taking nitrodiphenyl ether as the raw material, hydrazine hydrate as the reducing agent, reducing in the presence of a catalyst, obtaining 3ú¼4'-diamino diphenyl ether at a low pressure. The invention overcomes unsafe factors in the method of high-pressure hydrogenation, avoid the step of highpressure distillation, and has mild reactive conditions. The product has good purity. So the invention is suitable for industrial production.
Owner:SHANGHAI CHEM REAGENT RES INST
Lower-drive type revolving working-table intermittent mechanism
InactiveCN1978127AIncrease spaceAvoid unsafe factorsLarge fixed membersEngineeringMechanical engineering
The present invention belongs to an underdrive rotary table intermitting mechanism. It includes machine table plate supported by more than two shafts, table seat on one shaft and rotary table. It is characterized by that between undersurface of the rotary table and upper surface of table seat a closed drive mechanism is set, said drive mechanism includes ratchet wheel, click fixing seat, click and spring. Besides, said invention also provides the working principle of said intermitting mechanism and its operation method.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST
Multifunctional elevating and overturning device
InactiveCN102249172ATransmission is not affectedEasy remote controlLifting devicesTransfer caseEngineering
The invention provides a multifunctional elevating and overturning device, which comprises a base, wherein the base is provided with two horizontal moving mechanisms; elevating mechanisms are arranged on the two horizontal moving mechanisms respectively; the two elevating mechanisms are connected with the same elevating driving mechanism; rotating mechanisms are fixed on the two elevating mechanisms respectively; the elevating driving mechanism comprises a driving source which is arranged between the two horizontal moving mechanisms on the base; an output shaft of the driving source is connected with an input shaft of a transfer case; two output shafts of the transfer case are connected with a transmission shaft, a spline assembly, a worm speed reducer and an elevating mechanism in sequence; and the worm speed reducer is fixed on the horizontal moving mechanisms. The multifunctional elevating and overturning device is suitable for elevating and overturning containers of various specifications and sizes on dangerous occasions, and has high reliability and high universality.
Owner:HUAZHONG UNIV OF SCI & TECH
Backup power system based on fuel cell for communication
ActiveCN103078362AAvoid hidden dangersAvoid unsafe factorsBatteries circuit arrangementsFuel cell auxillariesControl signalElectric power
The invention relates to a backup power system for a fuel cell for communication. The backup power system comprises a hydrogen-donating unit, a fuel cell unit, a DC / DC (Direct-current / Direct-current) unit, an output unit, a patrolling unit, an analog acquisition unit, a main control unit and a human-computer interaction unit. The hydrogen-donating unit realizes the aim of preparing high-purity hydrogen through carbureted hydrogen; the fuel cell unit is used for converting chemical energy into direct-current electric power; the DC / DC unit is used for adjusting output voltage of the fuel cell so as to supply power to the output unit; the output unit is used for supplying power to a communication base station after city electricity is powered down; the patrolling unit is used for acquiring voltage of a monocell; the analog acquisition unit is used for acquiring various data signals in the system and transmitting the data signals to the main control unit; the main control unit is used for analyzing data and sending a control signal to each unit; and the human-computer interaction unit is used for completing the functions of short-range communication, remote communication, monitoring, alarming and the like. The system is high efficient, clean, safe and reliable, has high intelligence, can realize seamless connection with city electricity supply when being used as a communication standby power supply, and simultaneously, does not need to be charged, and can be continuously operated for a long time.
Owner:BEIJING SHOTO ENERGY STORAGE TECH CO LTD
Vehicle battery management system main relay adhesion detection circuit and detection method thereof
ActiveCN106338688AMeet the specific process requirements for safe power-onAvoid unsafe factorsCircuit interrupters testingManagement systemBattery management systems
A vehicle battery management system main relay adhesion detection circuit and a vehicle battery management system main relay adhesion detection method are disclosed. The circuit comprises first to third switches, and first, second, seventh and eighth resistors. One end of the first switch is connected with a positive bus. The first and second resistors are connected in series into a voltage dividing network. The first resistor is connected with the other end of the first switch. One end of the seventh resistor is connected with the non-battery side of a general positive main relay, and the other end of the seventh resistor is connected in series with the eighth resistor to form a voltage dividing network. The second resistor and the eighth resistor are connected with a sampling reference ground. One end of the second switch is connected with a negative bus, and the other end of the second switch is connected with the sampling reference ground. One end of the third switch is connected with the non-battery side of a general negative main relay, and the other end of the third switch is connected with the sampling reference ground. Safe, simple and reliable main relay adhesion detection is realized.
Owner:SHENZHEN KELIE TECH
Portable bank card data processing device, system and method
ActiveCN102867366AAddress insecurityPrevent leakageCoded identity card or credit card actuationRadio frequencyIntegrated circuit
The invention discloses a portable bank card data processing device, system and method. The portable bank card data processing device comprises a centre processor, a touch IC (Integrated Circuit) card reader-writer which is used for reading and writing data of the inserted IC card, a radio frequency IC card reader-writer which is used for reading and writing the data of the IC card by a manner of non-touching, an IC card safety chip which is used for certifying the data of the IC card read by the touch IC card reader-writer or certifying the data of the IC card read by the radio frequency IC card reader-writer, a storage device which is used for storing the operation system, application programs and IC card transaction information, a communication encryption chip which is used for encrypting the output data and decrypting the input data, a communication model which is used for transmitting the encrypted output data of the communication encryption chip and transmitting the received input data coming from outer part to the communication encryption chip, a keyboard which is used for providing an input interface of the IC card transaction information, a displayer which is used for displaying the IC card transaction information, and a cell. The invention solves the payment information safety problem of bank cards which are applied to remote payment.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA
Super early receiving supporting structure of shield machine and super early receiving method
ActiveCN102322269AAchieve early receiptReduce construction proceduresTunnelsShield machineBuilding construction
The invention relates to a super early receiving supporting structure of a shield machine and a super early receiving method. The super early receiving supporting structure is characterized by comprising a receiving well foundation pit wall support, a bottom plate support and an outlet hole support, wherein the receiving well foundation pit wall support comprises a foundation pit envelope pile, at least two anchor cables and a steel pipe corner support; the outlet hole support is a temporary horizontal support; and the bottom plate support comprises an anti-pulling pile and a concrete bottom plate paved on a foundation pit bottom soil mass. By the super early receiving supporting structure and the super early receiving method, the construction problem that the shield machine cannot be received in advance when the shield machine arrives at a station in advance is successfully solved, the service life of the shield machine is prolonged, the construction cost of a shield interval is saved, and the construction period is shortened. The structure and the method can be applied to the advanced receiving of the shield machine when a receiving well structure is not completely constructed or finished.
Owner:北京城乡建设集团有限责任公司
System and method for treating converter flue gas
InactiveCN102899444AEasy to controlEasy to operateIncreasing energy efficiencyManufacturing convertersEvaporative coolerDust control
The invention relates to an environmental-friendly device of an iron and steel enterprise and a dust removal method, that is to say, a system and a method for treating converter flue gas. The system comprises a furnace mouth nitrogen injection sealing petticoat pipe, a segmental evaporation cooling flue, a high-temperature heat pipe steam generator, a spray evaporation cooler, a long neck adjustable throat venturi tube, an impeller type composite dehydrator, a fan, an automatic continuous coal gas detector and a three-way switching valve, which are connected in sequence, wherein the three-way switching valve is connected with a gas chamber; or the three-way switching valve is communicated with a chimney. The method comprises the following steps of: forming a soft sealing screen between a furnace mouth and a petticoat pipe, after segmentally vaporizing and cooling the flue gas, and cooling in a high-temperature heat pipe; after carrying out spray evaporation, cooling and rough dust removal through a dry method, carrying out fine dust removal and cooling by a venturi tube through a wet method, dehydrating the flue gas, and entering into a coal gas recycling stage lastly. According to the invention, the wet method and the dry method are combined, waste heat recovery, coal gas recovery, sewage treatment and dust removal can be planned in a flue gas treatment and utilization system as a whole and the combination action of the device is fully exerted.
Owner:北京五一环保科技股份有限公司
System client authorization authentication method based on B/S framework
ActiveCN105743638ALow costAvoid phishingEncryption apparatus with shift registers/memoriesClient-sidePhishing
The invention discloses a system client authorization authentication method based on a B / S framework. A user needs to apply a unique secret key to authenticate an authorization identity and further to complete the installation of a client, client software obtains a unique physical address MAC address of a host, the unique physical address MAC address is encrypted by MD5 and sent to a server end after being connected with an SALT randomly generated by the system, the user submits a computer terminal authentication application, after verification is passed, the SALT randomly generated by the system is stored in a database, and a Hash value of the MAC address and the SALT is added into an authentication passing list, and the client accesses the authentication. According to the invention, the terminal authorization authentication technology is combined in the B / S framework, various problems of terminal identity authentication by utilizing the mac address through a browser in the B / S framework are effectively solved, the safety problem is also solved, phishing and data interception are avoided, and the probability of illegal users to obtain terminal installation authority is lowered.
Owner:江苏中天互联科技有限公司
Security-enhanced authorizing and authenticating method of mobile application
ActiveCN104539634AUniqueness guaranteedOne-wayUser identity/authority verificationComputer security arrangementsEngineeringComputer security
Owner:北京成众志科技有限公司
Piezoelectric polarization device and method
InactiveCN102610741AAvoid unsafe factorsEnsure safetyPiezoelectric/electrostrictive/magnetostrictive devicesElectricityRemote control
The invention relates to a polarization technology of piezoelectric ceramic materials and aims at providing a piezoelectric polarization device and a piezoelectric polarization method. The device comprises a polarization host machine, wherein a polarization oil tank is arranged at the upper part of an electric control box and is connected to a motor through a lifting device, an electric heater is arranged in the polarization oil tank, a plurality of polarization electrodes are arranged under an upper side cover plate of the polarization oil tank, the lower ends of the polarization electrodes are provided with clamps used for clamping test pieces to be polarized, a 50KW high-voltage direct current power supply is connected to a remote high-voltage control instrument through a cable, the electric control box is connected to a remote polarization control instrument through a cable, and the remote high-voltage control instrument and the remote polarization control instrument are arranged beyond a distance being at least 1.5meters from the polarization host machine. Operators can operate the polarization host machine in a safe range in a remote control way, so unsafe factors of the operators are avoided. Polarization on a new test piece can be immediately carried out without long-time temperature rise, and the characteristics of energy saving and high efficiency are realized.
Owner:ZHEJIANG UNIV
User security access control method as well as device and system thereof
InactiveCN101621523AImplement security controlsAvoid unsafe factorsTransmissionAccess networkControl flow
The invention discloses a user security access control method as well as a device and a system thereof, applied to a user network access process. The user security access control method comprises the following steps: a client of a user is authenticated by an authentication server and requests a DHCP server for obtaining an IP address; the DHCP server receives the request sent by the client for obtaining an IP address; the DHCP server obtains an IP address level corresponding to the client from the authentication server according to the request; the DHCP server assigns an IP address of a corresponding network to the client according to the obtained IP address level and sends the assigned IP address to the client. and the IP address level of the client is decided by a security level which is obtained by the client after security detection. The invention is applied to improve the security of the user access network while simplifying the control flows of the user access network and improving the reliability of the access control process.
Owner:ZTE CORP
Virtual machine management system and file access method
ActiveCN102968331ASolve the technical problem that the remote virtual machine cannot access the files on the specified physical machine local to the remote virtual machineEasy accessTransmissionSoftware simulation/interpretation/emulationAccess methodRemote desktop
The invention discloses a virtual machine management system and a file access method. The method comprises the following steps: a creating step, a connection establishing step, a receiving step and an equipment creating step, wherein in the creating step, a virtual machine and a first monitoring progress of the virtual machine are created through a virtual machine hardware simulator; in the connection establishing step, remote desktop connection is established between the virtual machine hardware simulator and a client through the first monitoring progress; in the receiving step, the virtual machine hardware simulator receives file access address information transmitted from the client established connection with the virtual machine; the file access address information comprises a designated physical machine address and an access path; in the equipment establishing step, if the virtual machine hardware simulator receives the file access address information transmitted by the client established connection with the virtual machine, the virtual machine hardware simulator created virtual equipment for accessing a file under the path designated by the received file access address information; and the created virtual equipment is mounted on the virtual machine for the client to access. Through the adoption of the virtual machine management system and the file access method disclosed by the invention, users can access files in any designated physical machine through remote virtual machines.
Owner:CHINA STANDARD SOFTWARE
Superhydrophobic powder coating, and preparation method and application thereof
InactiveCN107652795ASpeed up preparationSimple methodAntifouling/underwater paintsPaints with biocidesEpoxyModified carbon
The present invention discloses a superhydrophobic powder coating, and a preparation method and an application thereof. The coating comprises hydrophobic powder and high temperature-cured resin powder, a mass ratio of the hydrophobic powder to the resin powder is 1:(1-4), the hydrophobic powder Is at least one of polytetrafluoroethylene with the particle size being 10-50 [mu]m, polyvinylidene fluoride, hydrophobically modified silica, hydrophobically modified titanium dioxide, hydrophobically modified carbon nanotubes and carbon black, and the resin powder is at least one of epoxy or polyesterpowders having a particle size being 10-50 [mu]m and being used for electrostatic spraying. The method has the advantages of simplicity, convenience, rapidness in preparation, and rapidity in completion of the production of a superhydrophobic coating layer on the surface of a substrate; and the produced coating layer has superhydrophobicity and ultrahigh wear resistance.
Owner:SOUTHEAST UNIV
Hinge
ActiveCN102400623ASufficient expansion spaceAvoid scalding accidentsCooking vesselsPin hingesNatural stateTorsion spring
The invention relates to a hinge, in particular to a hinge used between a furnace door and a furnace body of an electric steaming furnace. The hinge comprises a hinge rotating component, a hinge fixing seat (2) and a hinge positioning sheet (3), wherein the hinge rotating component comprises a shell (1), a positioning sheet connecting component (4) and a tension spring (5); the lower end of the positioning sheet connecting component (4) is connected with the hinge positioning sheet (3); the upper end of the positioning sheet connecting component (4) is connected with one end of the tension spring (5) through a tension spring lower end fixing rod (9); the side wall of the positioning sheet connecting component (4) is in sliding fit with a limit groove (11) on the shell (1) through a bulge; and the other end of the tension spring (5) is connected with a tension spring upper end fixing rod (8) on the shell (1). The hinge is characterized in that: a distance between the tension spring upper end fixing rod (8) and the tension spring lower end fixing rod (9) is greater than the length of the tension spring (5) in a natural state. The hinge for the electric steaming furnace has a reasonable structure and is higher in sealing property.
Owner:宁波欧燕电器有限公司
Extracting process of pulullan polysaccharide
The invention discloses an extracting process of pulullan polysaccharide and belongs to the technical field of biology. The extracting process mainly comprises the following steps of: (1), filtering by a plate frame to remove bacteria; (2), performing thermal treatment to remove protein; (3), carrying out primary ultra-filtration; (4), removing ion by use of ion exchange resin; (5), discoloring active carbon; (6), carrying out secondary ultra-filtration; and (7), drying, crushing and packaging. According to the extracting process of the pulullan polysaccharide disclosed by the invention, the bacteria in fermentation liquor are removed by adopting a plate frame filter, so that not only can solvent residue caused by adding an organic flocculating agent and inorganic flocculating agent be effectively avoided, but also the bacteria and diatomite can be recycled to obtain more benefits; meanwhile, potential unsafe factors caused by volatility of solvents (ethanol, methyl alcohol, isopropanol and the like) in the conventional process can be avoided by adopting a microwave drying process or a vacuum drying process; moreover, much steam consumed by recycling and distilling an organic solvent can be saved; the production cost is saved; the product yield can be up to 90%-96%, the purity is as high as 90%-98%, the quality is good, and the production process is safe, continuous and automatic.
Owner:天津慧智百川生物工程有限公司
3G wireless internet router
InactiveCN101465741AEliminate distractionsSolve the use requirements of shared Internet accessData switching detailsWireless commuication servicesWireless internet accessTelecommunications
The invention relates to a 3G wireless internet assess router, which comprises a body composed of a shell, a control operation panel and internal electric components, and external accessories composed of a power adapter and a 3G wireless internet access card; as the power adapter which supplies power for the router independently and a 3G internet access card connected with the router through USB / PCMIC interface are arranged, a series of complicated settings of computer terminals for wireless internet access in the prior art are prevented; interferences between electric connection wires of computer terminals and wireless internet access devices are eliminated; insecurity factors caused by computer terminals which are directly revealed on the internet are avoided; meanwhile, the application requirement of multi-user sharing internet access is satisfied. Compared with wireless internet access device in the prior art, the 3G wireless internet assess router obviously has more reasonable structure, convenient settings and use, low use cost, reliable operation and strong adaptability, good security and strong practicality.
Owner:于国良
Carbon-silicon composite adsorbent and application
ActiveCN108246252AChange the strong hydrophilic polarityShow hydrophobicityGas treatmentOther chemical processesHigh concentrationDesorption
The invention discloses a brand-new silica gel and carbon material-compounded VOCs (Volatile Organic Compounds) adsorption material and application thereof to adsorption of VOCs. According to the adsorbent, rigid porous silica gel with high specific surface area is used as a bone glue material, and a macromolecular polymer and a biomass are used as carbon sources; the bone glue material and the carbon sources are introduced into a silica gel channel, and polymerization and high-temperature carbonization are initiated under a hydrothermal environment. Therefore, the brand-new carbon-silicon composite adsorption material is obtained. The adsorbent has hydrophobicity and high-selectivity adsorption capacity for organic molecules, is extremely high in heat resistance and excellent in desorption property, can be applied to a high-concentration organic waste gas recycling technology in the industry, and can also be applied to a VOCs rotating wheel adsorption device and indoor organic waste gas purification.
Owner:ZHEJIANG UNIV OF TECH
Preparation method of environment-friendly hydrophobic polyurethane grouting material
ActiveCN102492287AReduce negative impactImprove protectionUnderground chambersProtective foundationWater leakageMineral Sources
The invention relates to a preparation method of an environment-friendly hydrophobic polyurethane grouting material, belonging to polyurethane compositions. The environment-friendly hydrophobic polyurethane grouting material is made from the following raw materials in parts by weight: 100 parts of polyurethane prepolymer, 1-6 parts of high-boiling-point solvent, 0.001-0.004 parts of retarder, 1-5parts of surfactant, 0.1-3 parts of catalyst and 10-30 parts of plasticizing agent. The invention provides the preparation method of the environment-friendly hydrophobic polyurethane grouting material which does not contain combustible, explosive, poisonous solvents and still has excellent technical indicators, such as service performance in grouting and bonding strength. The accidents of combustion, explosion and poisoning are avoided. The environment-friendly hydrophobic polyurethane grouting material is safe in use, is beneficial to the health of operating personnel and environmental protection, and is applicable to the construction of railways, highway tunnels, bridge constructions, and ports and docks, hydraulic power facilities, exploitation of mineral resources, embankment supporting projects, waterproofing treatment for the original construction of underground and underwater construction projects, and the normal maintenance and reinforcement and the fault repair treatment on water leakage and permeability for the on-service underground and underwater construction projects.
Owner:SHANGHAI DONGDA CHEM
Rail vehicle barrier-free passing system and rail vehicle with same
InactiveCN111086536ASimple structureEasy to operateAxle-box lubricationRailway bodiesEngineeringElectrical and Electronics engineering
The invention discloses a rail vehicle barrier-free passing system which comprises a gangway foot plate device arranged at the position of a vehicle door. The gangway foot plate device comprises a telescopic device, a top plate, a driving device and a control device, wherein the telescopic device is movably arranged in a groove of a floor at the position of the vehicle door; the top plate covers the upper end face of the groove and is flush with the treading face of the floor at the position of the vehicle door; the driving device is used for driving the telescopic device to move so as to extend out of the side opening of the groove or retract; and the control device is used for controlling the driving device to work. The rail vehicle barrier-free passing system is simple in structure, convenient to operate, capable of providing safer guarantee for passage of the rail vehicle and achieving the purpose that a green passage for the disabled is additionally arranged on a tramcar, simple in structure, convenient to maintain and use and capable of providing convenience for traveling of special crowds. The invention further discloses the rail vehicle comprising any one of the rail vehicle barrier-free passing system.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO
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