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Embedded type system and start-up load application method
ActiveCN101281469AEnsure safetyGuaranteed normal useProgram loading/initiatingEmbedded systemEngineering
The invention provides an embedded type system and the startup loading method thereof. Two loading modules are used for backup for each other, thus improving the reliability of an embedded system. Specifically, the invention discloses an embedded type system, which comprises a guiding module, a first loading module and a second loading module, the guiding module is used for checking the first loading module, if normal, the first loading module is guided to startup; if damaged, the first loading module is restored by the first loading module. By the mutual backup of the two loading modules, the security of the system during upgrading process is fully guaranteed, even if one loading module is damaged during the upgrading process or damaged by other accidental reasons, the loading module can be restored from the other loading module, thus ensuring the normal use of the whole embedded system.
Owner:HISENSE VISUAL TECH CO LTD
Bridge health detection system and bridge health detection method based on unmanned aerial vehicle
ActiveCN108051450AImprove efficiencyGuaranteed normal useOptically investigating flaws/contaminationUsing optical meansChanging trendData analysis
The invention discloses a bridge health detection system based on an unmanned aerial vehicle, and relates to the field of bridge detection. The bridge health detection system at least comprises: a data acquisition subsystem, wherein the data acquisition subsystem comprises an unmanned aerial vehicle, the unmanned aerial vehicle is provided with an imaging device, and the imaging device is used forcarrying out image collection on a bridge to be detected so as to obtain detection fracture data; a database for pre-storing multiple sets of historical fracture data; and a data analysis unit, wherein the data analysis unit comprises a hazard simulation module, and the hazard simulation module predicts the future development trend of the fracture by carrying out statistical analysis on the historical fracture data and the detection fracture data, and obtains the fracture prediction data. According to the present invention, the detection fracture data collected by the unmanned aerial vehicleis compared y using the historical fracture data in the database as the reference to obtain the fracture change trend, such that the worker can conveniently predict the future development condition ofthe fracture and timely perform the maintenance work so as to improve the maintenance work efficiency and ensure the normal use of the bridge to be detected.
Owner:CHINA RAILWAY BRIDGE SCI RES INST LTD +1
Wireless headset role switching method, wireless headset and TWS headset
ActiveCN108696784AGuaranteed normal useImprove user experienceCordless telephonesService provisioningHeadphonesWireless connectivity
The invention discloses a wireless headset role switching method, and relates to the technical field of portable listening equipment. A main wireless headset is the headset establishing connection with a terminal at present, and a slave wireless headset is the headset not establishing connection with the terminal at present. The method comprises the steps that when the main wireless headset receives an in-place instruction, the main wireless headset sends connection information of the main wireless headset and the terminal to the slave wireless headset to enable the slave wireless headset to initiate a connection request to the terminal according to the connection information and establish connection with the terminal, and then wireless headset role switching is achieved. According to themethod, the slave wireless headset can achieve data interaction with the terminal by means of the connection information of the main wireless headset and the terminal to continue working; and the condition that in the prior art, after the main wireless headset stops working, the slave wireless headset cannot work is avoided, and therefore the user experience is improved. The invention further discloses the wireless headset, a wireless connection equipment role switching method, a TWS headset and a computer readable storage medium which have the above-mentioned advantages.
Owner:GEER TECH CO LTD
Cleaning device for universal parts
ActiveCN106076974AImprove efficiencyGuaranteed normal useCleaning using toolsCleaning using gasesSoftware engineering
The invention discloses a cleaning device for universal parts. The cleaning device comprises a case body and a cover, the two sides of the bottom of the cover are each provided with a clamping rod, the two sides of the case body are each provided with a buckle matched with the corresponding clamping rod, a controller is arranged on the right side of the case body, the controller is located below the buckle, the top of the cover is provided with a feed hopper, the bottom of the cover is provided with a connecting pipe, one end of the connecting pipe penetrates through the cover and extends out of the cover to be communicated with the feed hopper, the end, far away from the cover, of the connecting pipe is fixedly connected with the top of an installation block, the connecting pipe is communicated with the interior of the installation block, the installation block is provided with vent holes, and the right side of the inner wall of the case body is provided with an electric telescopic rod matched with the installation block for use. According to the cleaning device for the universal parts, the cleaning efficiency is improved, normal use of the universal parts is guaranteed, the machining cost of the universal parts is reduced, and the cleaning device is simple in structure, convenient to operate and suitable for application and popularization.
Owner:XUZHOU DONGHONG MACHINERY MFG
Method for protecting underground structure of single round shield side face construction in close distance
InactiveCN101608548AGuaranteed normal useSmooth tunnelingUnderground chambersTunnel liningMonitoring programMonitoring data
The invention relates to a method for protecting an underground structure of single round shield side face construction in close distance, belonging to the technical field of constructional engineering. The method comprises the following steps: using a Robertson method; determining the parameters of a shield traversing underground structure through the design drawings of the underground structure and tunnels; using three-dimensional finite element model to perform numerical simulation; establishing monitoring programs, carrying out measuring points layout and monitoring in site before traversing construction; detecting the work efficiency of trial push and selecting construction parameters; carrying out construction through monitoring feedback analysis in real time; and tracking and monitoring the set monitoring points until all monitoring data are stabilized within the range of the optimized safety construction parameters of step (6). The invention ensures the normal use and the smooth tunneling of the underground structure, the adopted technical measures is applicable to the requirements of single round shield side face in close distance on passing through various underground structures, thus an important technical assurance is provided.
Owner:SHANGHAI JIAO TONG UNIV
Tridimensional vibration isolation device
InactiveCN1718962AImprove vertical load carrying capacityGuaranteed normal useShock proofingEngineeringViscoelastic damping
The present invention relates to a three-dimensional shock isolation equipment capable of simultaneously implementing horizontal and vertical shock isolation of building. Said equipment is divided upper and lower two portions. It lower portion is conventional shock isolator, and its upper portion is vertical shock isolator made of main butterfly spring group, auxiliary butterfly spring group and viscoelastic damper parallelly-combined system. Said invention also provides the concrete function of above-mentioned every portion and their arrangement method.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Outdoor waterproof box-type transformer substation device
InactiveCN108281916AAvoid erosionGuaranteed normal useSubstation/switching arrangement detailsDistribution substationsEngineeringAutomation
The invention discloses an outdoor waterproof box-type transformer substation device which comprises a protective box, an electrical device box and an adjusting box. The electrical device box are vertically and movably arranged in the protective box, an I-shaped supporting plate is fixedly mounted at the bottom end of the electrical device box, the bottom end of the I-shaped supporting plate are fixedly mounted on a lifting bottom plate through bolts, the adjusting box is vertically and slidably provided with a lifting rod, a lead screw is rotatably erected in the lower inner cavity of the adjusting box, two feeding sliders are arranged on the peripheries of two sides of the lead screw in a sleeving and threaded manner, hinge seats are arranged at the bottoms of the two ends of the liftingrod and hinged to the two feeding sliders through a supporting connecting rod, lifting rods are symmetrically and fixedly mounted at the tops of two ends of the lifting rod, and the lifting bottom plate is horizontally and fixedly erected at the top ends of the lifting rods. According to the device, the electrical device box can rise and fall in the protective box according to real-time water level, and the device is good in waterproof effect and high in automation degree.
Owner:储昭汉
Manufacturing raw material stirring device for automobile tyres for finished automobile manufacturing
InactiveCN107983212ASave power resourcesGuaranteed normal useRotary stirring mixersMixer accessoriesMechanical engineeringRaw material
The invention discloses a manufacturing raw material stirring device for automobile tyres for finished automobile manufacturing. The device comprises a stirring tank, wherein the upper surface of thestirring tank is fixedly connected to a motor; the output shaft of the motor is fixedly connected to a first gear; the first gear is engaged to a second gear; the lower surface of the second gear is fixedly connected to a first rotating shaft; the bottom end of the first rotating shaft penetrates through a first bearing locked to the upper surface of the stirring tank and is fixedly connected to the top end of a stirring rack arranged in the stirring tank. According to the device, a first rotating rod and a first stirring blade rotate in a feeding barrel, so that raw materials in the feeding barrel are stirred and dredged while falling; driven by the motor, the feeding barrel is dredged while the raw materials in the stirring tank are stirred without employing a special electrical dredgingdevice to dredge of the feeding barrel, so that the power resource is saved, and an energy-saving effect is achieved.
Owner:王丽
Rotary drilling rig and control method, device and system thereof
ActiveCN103233717AAvoid impactGuaranteed normal useAutomatic control for drillingDitherControl theory
The invention provides a rotary drilling rig and a control method, device and system thereof. The control method comprises the steps of obtaining a dither signal of a drill rod, confirming dither direction of the drill rod according to the dither signal, calculating dither frequency of the drill rod in the dither direction, and judging whether the dither frequency is larger than a set dither threshold or not, wherein the dither speed of the drill rod is controlled if the dither frequency is larger than the set dither threshold. By means of the rotary drilling rig and the control method, the problem that the service life of a main hoist is shortened by means of a quick drill rod dither mode is solved, and the using performance and the safety of the device are improved.
Owner:ZOOMLION HEAVY IND CO LTD
A carbon powder residual amount monitoring method and device, a readable storage medium and a printer
InactiveCN108828919AGuaranteed normal useEasy to useElectrographic process apparatusFistCurrent time
A carbon powder residual amount monitoring method and device, a readable storage medium and a printer are disclosed. The method is applied in the printer. The printer is connected to a server. The method includes detecting the residual amount of carbon powder of the printer in real time; acquiring current time, and a current time period, corresponding to the current time, in a plurality of presettime periods; inquiring a target carbon powder threshold, corresponding to the current time period, in a first corresponding relationship table stored in advance, with the table including the time periods and corresponding carbon powder thresholds; and when the residual amount of the carbon powder is lower than the target carbon powder threshold, sending a first prompt message to the server, withthe fist prompt message being used to prompt a user to add carbon powder into the printer. The carbon powder residual amount of the printer can be automatically monitored in embodiments of the invention, the prompt message for adding carbon powder is sent and normal use of the printer is ensured.
Owner:宜春小马快印科技有限公司
Reloading method and device and server
PendingCN110069366AGuaranteed normal useImplementation of the reload operationRedundant hardware error correctionEmbedded system
The invention provides a reloading method and device and a server. The method comprises the steps that identity information of an abnormal FPGA unit is determined; a position identifier of the FPGA unit is acquired according to the identity information; and the position identifier of the FPGA unit is sent to a BMC, so that the BMC performs a reloading operation on the FPGA unit according to the position identifier of the FPGA unit. According to the technical scheme provided by the invention, the position identifier of the FPGA unit is sent to the BMC, so that the BMC carries out reloading operation on the FPGA unit according to the position identifier. Therefore, even if the CPU cannot perform reloading operation on the FPGA unit, the FPGA unit can be reloaded through the BMC, and the reloading operation of the FPGA unit is realized by means of the I2C interface of the BMC, so that the FPGA unit can be recovered, and the normal use of the FPGA unit can be ensured.
Owner:ALIBABA GRP HLDG LTD
Angle adjusting device for display
InactiveCN109945042AGuaranteed normal useImprove practicalityStands/trestlesEngineeringDisplay device
Owner:邓伟
Axle
ActiveCN106274291AGuaranteed normal useReduce limitationsAxle unitsHigh resiliency wheelsEngineeringPulley
Owner:湖北立晋钢铁集团有限公司
Automatic ventilating window for noise prevention of high-rise building
ActiveCN110905369AGood conductivity and transparencyGuaranteed normal useVentilation arrangementNoise insulation doors/windowsWindow sillConductive membrane
The invention discloses an automatic ventilating window for noise prevention of a high-rise building. The automatic ventilating window comprises a sill and a window body. The sill comprises an upper sill body and a lower sill body. The window body is rotationally connected with the upper sill body through a pin shaft. The window body is fixedly connected with a pushing handle, and a groove block is arranged on the portion, close to the window body, of the sill. The groove block and the window body are matched with each other and clamped, an electric box is fixed to the inner wall of the lowersill body, and a conductive device is arranged in the electric box. The window body is composed of interlayer glass and a cavity. Two transparent conducive films are glued on the two symmetric bottomfaces of the cavity correspondingly, and a parallel plate capacitor is formed with air in the cavity as a medium. The automatic ventilating window has the advantages that before noise enters the window, the parallel plate capacitor formed by the two conductive films is charged under the action of piezoelectric ceramics, a magnetic field is generated in the cavity under the action of a guide wire of a spiral structure, and therefore oxygen moves; and in the state of breaking down the cavity, the oxygen is released through expansion, and the oxygen ingredient in indoor air is supplemented.
Owner:深圳建昌工程设计有限公司
Rotor shaft press-fitting die
InactiveCN103956864AAvoid bending deformationGuaranteed normal useManufacturing stator/rotor bodiesEngineeringMechanical engineering
The invention discloses a rotor shaft press-fitting die. The rotor shaft press-fitting die comprises a lower die body (1) and an upper die body (2), wherein the lower die body (1) comprises a die sleeve (101) and a supporting column (102) arranged in the die sleeve (101), the upper portion of the die sleeve (101) is open, the supporting column (102) is arranged vertically upward, an insertion hole (103) which extends axially is formed in the upper end face of the supporting column (102), the upper end face of the upper die body (2) is connected with a connecting base (3) connected with a press machine, an annular groove (201) and a blind hole (202) are formed in the lower end face of the upper die body (2), the annular groove (201) and the blind hole (202) are formed coaxially, and the blind hole (202) and the insertion hole (103) are formed coaxially. According to the rotor shaft press-fitting die, a rotor shaft cannot be bent when the rotor shaft is pressed in a shaft hole in a rotor.
Owner:NINGBO LIONBALL VENTILATOR
Mobile terminal, management method thereof, and computer readable storage medium
InactiveCN107249081AGuaranteed normal useReduce the impactProgram initiation/switchingPower supply for data processingManagement strategyApplication software
The invention discloses a management method of a mobile terminal. The method comprises a step of detecting the temperature of a mobile terminal, a step of obtaining the detected temperature and judging whether the temperature exceeds a preset temperature threshold, and a step of hanging or closing an application operated by the mobile terminal according to a prestored management strategy when the temperature exceeds the preset temperature threshold. The invention also discloses the mobile terminal and a computer readable storage medium. Through the above mode, under the condition of reducing the temperature of the mobile terminal, the influence of using the mobile terminal by a user can be reduced.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Electric cloth airing machine
InactiveCN106436216AGuaranteed service lifeGuaranteed normal useOther drying apparatusTextiles and paperEngineeringMechanical engineering
The invention provides an electric cloth airing machine. The electric cloth airing machine comprises a main engine fixed on a ceiling and a frame body connected with the main engine. The main engine comprises a shell and a power assembly. The power assembly comprises a fixed plate, a driving component and a controller. The driving component is arranged on the fixed plate and connected with the frame body. The controller is used for receiving and processing external control signals and outputting corresponding control commands to the driving component so as to control lifting of the frame body. The driving component comprises a motor, winding reels, hauling ropes and rope pressers. The winding reels are driven by the motor. Two ends of each hauling rope are respectively connected with the corresponding winding reel and the frame body. The rope pressers wrap the winding reels in a half-encircling manner. Winding grooves are formed in the winding reels. One ends of the hauling ropes are embedded in the winding grooves. A yielding gap allowing the corresponding hauling rope to penetrate through is formed in each rope presser, and a rope pressing shaft rotatably pressing the corresponding winding grooves is arranged on the side, of the yielding gap, of the sidewall of each rope presser. The electric cloth airing machine has the advantages that friction damage of the hauling ropes (like steel ropes) during use can be avoided, and a twisting prevention function is realized.
Owner:广东顶固集创家居股份有限公司
Anti-collision charging equipment for new energy automobile
InactiveCN110103755AAvoid collisionGuaranteed normal useCharging stationsElectric vehicle charging technologyUnstable statusElectrical and Electronics engineering
The invention discloses anti-collision charging equipment for a new energy automobile. The anti-collision charging equipment includes a foundation and a pre-buried groove arranged in the foundation. Acharging pile is fixedly connected to the pre-buried groove through an expandable rod, a pin hole is formed in the charging pile, the inner wall, at the position of a groove opening, of the pre-buried groove is rotatably connected with a protection plate through a fixing shaft, the fixing shaft is fixedly connected with a first gear in the same axis, a spring groove is formed in the foundation, and a fixing mechanism used for fixing the charging pile is installed in the spring groove. According to the anti-collision charging equipment for the new energy automobile, by arranging the protectionplate, the charging pile which can be collected into the pre-buried groove, a pushing mechanism, and a safety mechanism, the function that when the automobile is about to hit the charging pile, the charging pile can be indented into the pre-buried groove, and the charging pile can automatically return to the original position after the automobile is removed is realized, the collision of the automobile to the charging pile is avoided fundamentally, and the safety mechanism can protect the automobile caught in an unstable state and the people inside the automobile from being injured.
Owner:丁杨
Intelligent socket
InactiveCN105514715AStable functionGuaranteed normal useCoupling device detailsHandoff controlControl circuit
The invention relates to an intelligent socket which comprises the components of a switch device which is connected between a live-wire input end and a live-wire output end of the intelligent socket; a switching control circuit which is used for switching on / off state of the switch device; an RF communication module which is used for receiving a wireless control instruction from a user terminal; a microprocessor which is used for supplying a control signal to the switching control circuit according to the wireless control instruction; and a state storage circuit which is arranged between the switching control circuit and the output end of the microcontroller and is used for storing the current setting and generating a corresponding output signal according to the stored setting in soft restarting of the microprocessor, thereby keeping the original state of the switch device. Through application of the intelligent socket, more stable function of the intelligent socket can be realized; and abnormal switching of a relay is prevented even on condition that the microprocessor is restarted because of some reasons in a non-manual manner, thereby ensuring normal use of the user.
Owner:MEIZU TECH CO LTD
Cable with high pressure resistance
InactiveCN105336420AGuaranteed normal useSimple structureInsulated cablesInsulated conductorsEngineeringHigh pressure
The invention discloses a cable with high pressure resistance. The cable comprises an inner core layer, a cable core and a tensile core, wherein the cable core is annularly arranged in the inner core layer; the tensile core is arranged at the axis center of the inner core layer; the external part of the inner core layer is provided with an elastic layer; a gap is formed between the elastic layer and the inner core layer; first elastic balls are annularly arranged at the gap; second elastic balls are arranged between two adjacent first elastic balls; the second elastic balls are abutted against the elastic layer; the external part of the elastic layer is provided with a wearing layer; and the external part of the wearing layer is provided with an armor layer. When the external part of the cable bears the extruding force, the cable can absorb the pressure through deformation of the first elastic balls and the second elastic balls so as to avoid directly transmitting the pressure to the cable core, and at the same time the armor layer can bear the external frictional force; and when the armor layer is fractured, the subsequent pressure is borne by the wearing layer so as to protect the elastic layer and guarantee normal usage of the cable.
Owner:广西资优电气设备有限公司
Intelligent bracelet with GPS positioning function
InactiveCN106418923AImprove convenienceGuaranteed normal useBraceletsWrist-watch strapsIntegrated circuitPrinted circuit board
The invention belongs to the technical field of wearing devices, and discloses an intelligent bracelet with a GPS positioning function. The bracelet comprises an annular belt, the annular belt is provided with a cavity, an intelligent bracelet main body is arranged in the cavity, the intelligent bracelet main body comprises a power supply, an integrated circuit board, a micro-processor, a motion sensor, a GPS positioning module and a display screen, the micro-processor, the motion sensor and the GPS positioning module are integrated on the circuit board, the display screen is electrically connected with the micro-processor, the integrated circuit board is connected with a socket used for charging and data export, the annular belt is provided with a through hole mutually adapting to the socket, a sealing cover is arranged on the through hole, an annular groove is arranged surrounding the through hole, and the groove comprises a first annular surface, a second annular surface and a bottom surface connected between the first annular surface and the second annular surface.
Owner:CHENGDU KECHUANGCHENG TECH
Signal processing device, signal processing method and mobile terminal
InactiveCN106253923AReduce distractionsGuaranteed normal useTransmissionWireless communicationFrequency bandTime signal
The present invention provides a signal processing device, a signal processing method and a mobile terminal, which relate to the technical field of communication and are used to solve the problem that a mobile terminal cannot normally use WiFi in a multi-WiFi scene. The signal processing device of the present invention includes: a first signal receiving module for receiving WiFi signals; a second signal receiving module for receiving LTE signals; a signal detection module for detecting the work of the WiFi signals received by the first signal receiving module frequency band and the working frequency band of the LTE signal received by the second signal receiving module; the signal filtering module is used to filter the WiFi signal received by the first signal receiving module according to the working frequency band of the LTE signal obtained by the signal detection module; The working frequency band of the WiFi signal obtained by the signal detection module filters the LTE signal received by the second signal receiving module. The present invention is mainly used in mobile terminals.
Owner:VIVO MOBILE COMM CO LTD
Air conditioner purification module cleaning reminding method, air conditioner, and readable storage medium
InactiveCN108426343AGuaranteed normal useEasy to useMechanical apparatusLighting and heating apparatusPollutantEngineering
The invention discloses an air conditioner purification module cleaning reminding method, an air conditioner, and a readable storage medium. The air conditioner purification module cleaning remindingmethod comprises the following steps of acquiring current meteorological data of an environment of a district on which the air conditioner is located, wherein the meteorological data comprises pollutant concentration; acquiring set parameters during the operating of the air conditioner, calculating a pollutant adhesion rate of a purification module according to the meteorological data and the operating parameters, and combining the duration within an operating time quantum to obtain a pollutant adhesion amount of the purification module operated by the air conditioner within the operating timequantum; and updating a stored total pollutant adhesion amount according to the pollutant adhesion amount, and outputting a reminding message for reminding cleaning or replacing the purification module to a user according to a relation between the total pollutant adhesion amount and a preset prewarning value. According to the air conditioner purification module cleaning reminding method providedby the invention, through combining the set parameters during the operating of the air conditioner and the meteorological data of the district on which the air conditioner is located, a service cycleof the purification module is calculated, and the user is timely reminded of cleaning and replacing the purification module, so that the air conditioner is ensured to be normally used.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD
Gravity sensing data correction method and system
InactiveCN106445083AGuaranteed normal useImprove experienceInput/output processes for data processingCorrection methodSensing data
The invention discloses a gravity sensing data correction method. The method is applied to electronic equipment, and the electronic equipment comprises first display equipment and second display equipment, wherein the first display equipment is located at the front of the electronic equipment and the second display equipment is located at the back of the electronic equipment. The method comprises the following steps of: obtaining gravity sensing data of a gravity sensor of the electronic equipment, wherein a gravity coordinate system of the gravity sensor is established by taking the first display equipment as a benchmark; when the second display equipment is located in a using state, determining a screen display manner of the second display equipment; and correcting the gravity sensing data according to the screen display manner of the second display equipment. The invention furthermore provides a gravity sensing data correction system. According to the method and system provided by the invention, the gravity sensing data can be corrected timely, so that the normal use of application programs of the electronic equipment is ensured and then the user experience is improved.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
Automobile part spot-welding robot with welding head convenient to replace
InactiveCN112059478AGuaranteed processing efficiencyGuaranteed normal useWelding/cutting auxillary devicesAuxillary welding devicesEngineeringSpot welding
The invention relates to the technical field of automobile part spot-welding robots, in particular to an automobile part spot-welding robot with a welding head convenient to replace. The automobile part spot-welding robot comprises a base, a protective device, a cleaning device and a replacing device; the protective device is arranged at the left side of the top end of the base; the spot-welding robot is fixedly connected to the center of the top end of the base; a controller is fixedly connected to the left end of the outer side of the spot-welding robot; a supporting base is fixedly connected to the right end of the outer side of the spot-welding robot; and a spot-welding connector of the spot-welding robot penetrates through the supporting base. In the automobile part spot-welding robotprovided by the invention, a third gear and a fifth gear are arranged; the arrangement cooperates with meshing connection of a fourth gear and the fifth gear, meshing connection of the third gear, afirst gear and a second gear and rotary connection of a rotating column and the base, when the welding head of the spot-welding robot is aged and damaged, rapid and automatic replacement of the welding head can be achieved, and therefore the machining efficiency of automobile parts is guaranteed.
Owner:安徽双骏智能科技有限公司
Damping device and lamp using same
ActiveCN103375775AGuaranteed normal useExtended service lifeProtective devices for lightingEngineeringShock resistance
The invention provides a damping device and a lamp using the same. The damping device comprises a mounting disk, a guide post perpendicular to the mounting disk is fixedly arranged on the mounting disk, the guide post is arranged in a mounting sleeve in a penetrating mode, a spring located in the mounting sleeve is sleeved on the guide post, the upper end of the spring abuts against the upper end of the mounting sleeve, the lower end of the spring abuts against a blocking member which is fixedly arranged at the lower end of the guide post, and the blocking member is arranged in the mounting sleeve. According to the lamp using the damping device, the lamp can shake up and down when receiving vibration shock, and the mounting sleeve can shake up and down along with the lamp, so that the lamp is damped, components with poor shock resistance such as a bulb and an electric ballast in the lamp can be prevented from falling off due to the vibration shock received by the lamp, normal usage of the lamp is guaranteed, and the service life of the lamp is prolonged.
Owner:OCEANKING DONGGUAN LIGHTING TECH +2
Recovery method of esters in wastewater
PendingCN110041196AImprove recycling efficiencyGuaranteed normal useOrganic compound preparationChemical industryPervaporationWater content
Disclosed is a recovery method of esters in wastewater. The method includes the following steps: separating most of water in the wastewater, and controlling the content of esters ad alcohols in the separated water less than 0.1 wt%; separating esters in a remaining ester / alcohol / water solution, and controlling the content of the esters in the remaining ester / water mixed solution after the esters are separated less than 0.1 wt%; separating water in the ester / alcohol / water solution separated in the second step by pervaporation treatment to obtain a mixture of esters and alcohol having s water content of less than 1 wt%; separating the high-purity target product esters from the mixture by distillation; and separating unreacted acids from esterification products and recycling the rest back tothe first step of wastewater treatment process. The recovery method of the esters in the wastewater can solve the problem of difficult separation of corresponding alcohols generated by decomposition of ester solvents, has the characteristics of high recovery efficiency, low energy consumption and low raw material consumption, and is especially suitable for use in wastewater solutions containing iso butyl acetate to recover the iso butyl acetate in the wastewater solutions.
Owner:NANTONG CELLULOSE FIBERS CO LTD +2
Pre-stressing device for rectangular pipe jacking pipe joints and construction method thereof
ActiveCN102494188APrevent looseningGuaranteed normal usePipe laying and repairPre stressingEngineering
Owner:SHANGHAI GUANGLIAN ENVIRONMENTAL & GEOTECHNICAL ENG CO LTD
Dust removal device for carrying out wind and water combined washing on cameras under mine
PendingCN111408583AGuaranteed normal useEnsure clarityTelevision system detailsColor television detailsFixed frameEngineering
The invention discloses a dust removal device for carrying out wind and water combined washing on cameras under a mine, and belongs to the technical field of heading machine camera cleaning. A cameraprotection cover is mounted on the outer portions of the cameras. A fixed frame is mounted on the front portion of the camera protection cover. U-shaped holes are formed in the two sides of the cameraprotection cover. The two ends of the fixed frame and the U-shaped holes are fixed through bolts. A mist spraying block is mounted on the fixed frame, a nozzle is mounted on the mist spraying block,and the mist spraying block is connected with a connector of a three-way joint. According to the dust removal device for carrying out wind and water combined washing on the cameras under the mine, thewind and water combined washing manner is adopted for breaking through the traditional contact type dust removal manner, the wind or water dust removal manner can be independently utilized, the mirror planes of the cameras of a heading machine re effectively cleaned, and normal use of a remote monitor of the heading machine can be ensured; the mirror planes of the cameras can be cleaned while equipment works, imaging clearness is guaranteed; and the structure is simple, mounting is convenient, and the maintenance cost is low.
Owner:无锡华瀚能源装备科技有限公司
A solar panel having a warning function
ActiveCN109004887AGuaranteed normal useEasy to usePhotovoltaic supportsAlarmsElectric energySingle vehicle
The solar cell panel having warning function is disclosed in the invention. The solar cell panel is shielded when the bicycle is not in use by setting a movable shield panel. During the riding processof the user, the shield plate is controlled to move to the fixed plate, so that the light receiving surface of the solar cell panel can receive the sunlight and generate electric energy to charge theintelligent lock battery during the riding process of the user, thereby effectively avoiding the illegal elements from sticking small advertisements on the solar cell panel; At that same time, a cover detecting sensor is arrange on the light receiving surface of the solar cell panel, so as to judge whether a cover is attached to the light receiving surface of the solar cell panel after the user closes the intelligent lock, If the cover detection sensor detects the cover, a warning message is sent to the voice prompt module of the intelligent lock to prompt the user to remove the cover as soonas possible, otherwise, the user's shared bicycle account information is sent to the remote server to impose a penalty on the user and prohibit the use of the vehicle.
Owner:广东所能网络有限公司
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