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61results about How to "Achieving a watertight seal" patented technology
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Universal rechargeable battery formed by adopting lithium-ion battery and control method thereof
ActiveCN103490099AImplement charging modeRealize the charging rateFinal product manufactureElectrical testingElectrical batteryCharge control
The invention provides a universal rechargeable battery formed by adopting a lithium-ion battery and a control method thereof. The universal rechargeable battery formed by adopting the lithium-ion battery comprises an external packing casing as well as a charging / discharging controller, a positive electrode crimping sheet, a lithium-ion battery and a negative electrode end cover, which are sequentially assembled in the external packing casing in a press fit manner; the charging / discharging controller comprises a charging / discharging controller casing as well as a charging / discharging control circuit welding body, an insulating spacer, a charging / discharging controller support which are arranged in the charging / discharging controller casing; a lithium-ion battery charging / discharging control circuit is welded on the charging / discharging control circuit welding body; the lithium-ion battery charging / discharging control circuit comprises a lithium-ion battery charging control circuit welded on a circuit board, electrically connected with the lithium-ion battery and the positive electrode end cover respectively, and further electrically connected with the negative electrode end cover via the charging / discharging controller casing and the external packing casing, a lithium-ion battery detection and control circuit and a DC-DC buck voltage stabilizing discharging circuit.
Owner:麦格松(湖北)电源系统有限责任公司
Underwater multiphase flowmeter based on Ba133
ActiveCN106706047AAchieve waterproofAchieving a watertight sealSurveyConstructionsProcess systemsMarine engineering
The invention discloses an underwater multiphase flowmeter based on Ba133 and used for oil well metering of an underwater process system. The underwater multiphase flowmeter comprises a flowmeter body, a Venturi tube module, a radioactive source module, a detector module, an electronic bin module, a temperature and pressure sensing module and a differential pressure sensing module, the Venturi tube module is sealed inside a channel of the flowmeter body, the radioactive source module, the detector module, the temperature and pressure sensing module and the differential pressure sensing module are waterproof and connected to the flowmeter body in a sealed mode, the electronic bin module is waterproof and connected to the detector module in a sealed mode. The underwater multiphase flowmeter is suitable for measuring multiphase flow directly underwater, can be placed the underwater environments of ocean wells and the like, and is suitable for on-line flow real-time monitoring of underwater single-well or multi-well oil and gas production systems.
Owner:LANZHOU HAIMO TECH CO LTD
Underwater short circuit prevention separating electric connector capable of synchronous unlocking
ActiveCN105186195ARealize synchronous unlockingRealize functionCoupling device detailsElectricityUnderwater
The invention discloses an underwater short circuit prevention separating electric connector capable of synchronous unlocking. The underwater short circuit prevention separating electric connector comprises two same monomer electric connectors, a connecting mechanism (108), a lock sleeve (106), a socket flange (18) and a plug flange (22). Each monomer electric connector further comprises a split plug (107) and a split socket (105), each split plug (107) is internally provided with a center pillar (12), each split socket (105) is internally provided with a middle pillar (2) and a reset spring (10), the middle pillars (2) limit the reset springs (10) inside the split sockets (105), and the connecting mechanism (108) also comprises a pull bar (23), steel balls (24) and an unlocking spring (25). According to the invention, the two monomer electric connectors and the connecting mechanism (108) form an integral electric connector through switching of a switching flange, and through controlling the connecting mechanism (108), synchronous locking and synchronous unlocking separation of the two monomer electric connectors are realized. At the same time, the monomer electric connectors employ three-layer structures so that a shor circuit can be effectively prevented.
Owner:杭州航天电子技术有限公司
Waterproof floor socket
ActiveCN107257048AAchieving a watertight sealPrevent infiltrationCouplings bases/casesFlexible lead accommodationAgricultural engineeringSurface plate
Owner:FEILIFU TECH CO LTD
Notebook computer and waterproof sealing structure used for port connection
ActiveCN101498955AAchieving a watertight sealDigital data processing detailsEngineeringMechanical engineering
Owner:LENOVO (BEIJING) LTD
Waterproof screen structure and waterproof watch
PendingCN109164693AFit tightlyClosely connectedElectronic time-piece structural detailsClockwork casesElectronic instrumentEngineering
The invention relates to the field of waterproof design of electronic instruments, and aiming at the problems that in the prior art, the waterproof level of a screen is limited by structure and spaceand the waterproof level cannot be enhanced, discloses a waterproof screen structure comprising a screen, a shell used for supporting the edge of the screen, and an annular press cover used for pressing the edge of the screen into the shell; the press cover is pressed on the screen, and a first waterproof sealed part is formed through setting waterproof glue; the outer edge of the press cover is fit with the end face of the shell, and a second waterproof sealed part is formed through setting the waterproof glue at the fit part. After being pressed, the press cover is more tightly fit with theend face of the screen and the end face of the shell, the screen can be clamped between the shell and the press cover, the screen can be more tightly connected with the shell due to the pressure suffered by the screen, and the waterproof effect under high pressure is achieved. Due to the design of installing the screen out of the shell, the installation space in the shell is saved. The invention also discloses a waterproof watch comprising the waterproof screen structure.
Owner:GEER TECH CO LTD
Floating and waterproof connector
ActiveCN110021850AAvoid enteringAchieving a watertight sealCouplings bases/casesCoupling parts mountingEngineeringRubber mat
The invention relates to a floating and waterproof connector. The floating and waterproof connector comprises a square disc shell, an installation panel and a square disc rubber mat, wherein the square disc rubber mat is arranged between the square shell and the installation panel, an inner ring of the square disc rubber mat is pressed on the square disc shell by a fastening press piece, a gap isformed between the fastening press piece and the installation panel and is used for the square disc shell to float relative to the installation panel, at least four installation holes are formed in the square disc shell and are used for fixed pieces to penetrate through, fixed holes are formed in the installation panel, are corresponding to the installation holes and are used for fixing the fixedpieces, a floating shaft sleeve is arranged in the installation holes in the square disc shell in a penetrating way, radial floating distance between the floating shaft sleeve and the installation holes is kept, the fixed pieces penetrate through the floating shaft sleeve, the floating shaft sleeve is pressed by the fixed pieces, and a step surface formed by diameter-changing formation of a tail end of the floating shaft sleeve is riveted with a square disc gasket arranged between the square disc shell and the square disc rubber mat.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Stay cable viewable intelligent beam end sealing waterproof cap structure
PendingCN110453589APrevent infiltrationAchieving a watertight sealBridge structural detailsClimate change adaptationHoopingEngineering
The invention relates to a stay cable viewable beam end sealing waterproof cap which is arranged on a pipe orifice at the front end of a waterproof cover and comprises a waterproof cap body, wherein the waterproof cap body is of two-sectional involution type structure or multi-sectional combined type structure; a stepped hole is formed in the inner circumferential wall at the rear end of the waterproof cap; the front end of the waterproof cover stretches into the stepped hole; a first seal ring is arranged in the axial clearance of the stepped hole and the waterproof cover; a third seal ring is arranged at the front end of the waterproof cover; a second seal ring is arranged on the inner circumferential wall of a waterproof cover body; multiple annular bulged ribs are arranged on the contact surface, towards the cable body, of the second seal ring; under the hooping action of the waterproof cover body, the second seal ring deforms the multiple annular bulged ribs to annularly embrace the cable body; and a visible window is arranged on the waterproof cap body. The stay cable viewable beam end sealing waterproof cap can effectively seal the front end of the waterproof cover to play areliable protective role and can conveniently observe the inner service condition of the waterproof cap.
Owner:JIANGSU FASTEN STEEL CABLE CO LTD +1
Two-way manual input structure for electric cylinder
InactiveCN107420488ADoes not affect the spatial positionAchieving a watertight sealToothed gearingsGearing detailsTelescopic cylinderAxial length
The invention discloses a two-way manual input structure for an electric cylinder. The two-way manual input structure for the electric cylinder comprises a transfer plate, a gear, a gear case, an upper bearing pressing plate, a lower bearing pressing plate, an upper bearing, a lower bearing, a cover plate, a pressing plate, a manual input shaft, a large bevel gear, a small bevel gear, an adjusting backup ring, a bearing sleeve and a manual shell. The two-way manual input structure is added at the rear portion of the gear case through an output shaft of a reducer or a motor and the connecting gear, the purpose of integrating a manual function in a small space is achieved, and the manual structure has an input-direction choosing function; the structure achieves the manual function by fully utilizing a rear support lug side space size of the foldback type electric cylinder, the manual input shaft of the structure is coaxial with an electric cylinder rear hinged shaft, and thus the manual function is easy to achieve; the structure has the characteristics of being compact in structure and low in weight, and the axial length of the electric cylinder is not added; and the two-way manual input structure for the electric cylinder has a watertight structure and meets the requirements for environment of outdoor use.
Owner:BEIJING INST OF SPECIALIZED MACHINERY
Sliding anti-reverse power supply device
InactiveCN109830817AImprove drainage effectIncrease contact areaMulticonductor cable end piecesElectrical and Electronics engineering
The invention discloses a sliding anti-reverse power supply device comprising an outer cover having a cylindrical space for matching the shape of a wire and wrapping the wire. The outer cover comprises first and second fixing sections fixed to the two sides of a wire exposed portion, and a sliding section sleeving the first fixing section and the second fixing section. The sliding section can slide along the first fixing section or the second fixing section to expose or close the wire exposed portion. When the sliding anti-inversion power supply device is installed on the grounding portion ofthe wire, the sliding section can be pulled on the ground by an operating rod, so that the wire exposed portion can be completely exposed, thereby increasing the contact area and enhancing a groundingdrainage capability. When the power supply is normal, the sliding section is pulled by the operating rod, the wire exposed portion is closed to achieve a waterproof sealing effect, which is simple inoperation. A climbing operation is not required when the grounding or the repairing is completed, and the sliding section can be directly pulled on the ground through the operating rod. No aerial operation is required so as to reduce danger and save time.
Owner:ZHUHAI ZHONGLI ELECTRICAL EQUIP
Shielded cable deconcentrator
PendingCN112202141ASuccessive realizationRealize electrical isolationCable junctionsShielded cableElectromagnetic interference
The invention discloses a shielded cable deconcentrator which comprises: a shielding piece used for being attached to shielding layers of a plurality of shielded cables connected together; a conductive shell which is used for providing an axial channel for surrounding the connection positions of the plurality of shielding cables and the shielding piece, and is in contact with the shielding piece to realize the connection of the shielding layer; and sealing pieces which are arranged on the two sides of the axial channel and are connected with the conductive shell so as to carry out waterproof sealing on the connection positions of the plurality of shielding cables. According to the invention, through the axial channel of the conductive shell, electric insulation isolation of a connection position is realized; through the shielding piece which is in contact with the shielding layer of the shielding cable and the conductive shell at the same time, connection of multiple cable shielding layers is achieved, and electromagnetic interference is avoided; and waterproof sealing of the connection position is achieved through the sealing piece matched with the conductive shell.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Universal motor vehicle technology
InactiveCN1644415AWidely applicableNo power conduction disturbanceConvertible vehiclesMonocoque constructionsMotor driveSteering wheel
A universal technique for motor-driven vehicles, especially the amphibious ones, features that its integral car has sufficient floatage in water for high load-bearing power, its individual power source is suitable for different power types, its wheel has low friction coefficient, its vibration damping direction is consistant with that of wheel pumping, and high-safety steering wheel is used for high steering performance.
Owner:李林山
Unmanned aerial vehicle with water falling protective structure
PendingCN110217387AReduce weightReduce heat dissipationTransmission systemsCooling/ventillation arrangementEngineeringFuselage
The invention provides an unmanned aerial vehicle with a water falling protective structure, and particularly relates to the technical field of unmanned aerial vehicles. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein the unmanned aerial vehicle body comprises a fuselage shell, the water falling protective structure and a control system, and a plurality of rotors arearranged on the outer side wall of the fuselage shell; the water falling protective structure comprises a first driving mechanism and a window cover plate, the control system comprises a control circuit board; the control circuit board is provided with a controller, a driving circuit and a wireless communication module, the controller is correspondingly and electrically connected with the drivingcircuit and the wireless communication module, and the controller controls the operation of the first driving mechanism through the driving circuit; and the first driving mechanism and the control system are arranged inside the fuselage shell, a heat dissipation window matched with the window cover plate is arranged on the side wall of the fuselage shell, and the first driving mechanism drives the window cover plate to move linearly so as to open or close the heat dissipation window. The unmanned aerial vehicle can perform the waterproof operation by closing the heat dissipation window in time through remote control before falling into the water.
Owner:NANJING VOCATIONAL UNIV OF IND TECH
Focusing electric torch
InactiveCN101398133AAchieve the purpose of focusingDoes not affect appearanceWith electric batteriesGas-tight/water-tight arrangementsTorchLight head
The invention provides a focusing torch which pertains to an illuminant tool. Defects of complex structure and being hard to guarantee water resistance exist in the prior art. The invention is characterized in that: an illuminant is arranged on a bracket which is moved forwards and backwards to be restrained at the front part of the torch body and is supported with an elastic piece; an adapter ring is connected on a bulb holder component which is connected to the front end of the torch body through the adapter ring and covered on the illuminant; a corresponding heaving part and a corresponding supporting part are respectively positioned in the bulb holder component and on the bracket. The bracket is driven to bring the illuminant to move forwards and backwards by the relative rotation of the supporting part on the corresponding heaving part to change the relative position between the illuminant and a reflector, thus realizing the purpose of focusing. The structures of the heaving part and the supporting part are simple and the positions thereof do not damage the integrity of the torch body and the bulb holder component, thereby being favorable for realizing the water-proof sealing between the bulb holder component and the torch body in structure.
Owner:HANGZHOU GREAT STAR ROBOT TECH CO LTD
Industrial switching power supply
PendingCN111697792AImprove seismic performanceImprove impact resistanceCasings/cabinets/drawers detailsMetal casingsVoltage dropEngineering
The invention belongs to the technical field of electrical equipment, in particular to an industrial switching power supply.The power supplycomprises an upper cover and a power supply module. The power supply module is arranged in the upper cover body; a lower cover body is arranged on the lower end surface of the upper cover body, a plurality of uniformly distributed first grooves are formed in the upper cover body, a plurality of uniformly distributed second grooves are formed in the lower cover body, a heat conduction part is fixedly connected to one side wall of the upper cover body, and an output connector and an input connector are fixedly connected to the other side wall of the upper cover body; the first grooves and the second grooves which are uniformly distributed are formed in the upper cover body and the lower cover body, so that the heat dissipation area is increased; heat generated by the power supply module is rapidly transmitted through the heat conduction part, and heat generated by the power supply module is transmitted to the upper cover body and the lower cover body through the heat conduction part to realize rapid heat dissipation;and equipment faults caused byheat accumulation are avoided, so that the heat dissipation effect during use is ensured under the conditions of not influencing the mounting space and reducing the voltage drop on a circuit.
Owner:TIANJIN GENEUO TECH CO LTD
Cofferdam equipment applied to diversion canal and assembly method thereof
InactiveCN111663499ADoes not pollute water qualityReduce weightClimate change adaptationArtificial water canalsCofferdamZero emission
The invention discloses cofferdam equipment applied to a diversion canal and an assembly method thereof. The cofferdam equipment comprises a longitudinal cofferdam, transverse cofferdams, a power boat, anchoring devices and supporting trusses, wherein the longitudinal cofferdam is pressed on a canal bottom lining board; the transverse cofferdams are pressed on a canal slope lining board and are separately connected to the two ends of the longitudinal cofferdam to form a U-shaped cofferdam; the restored board to be lined of the diversion canal is positioned within an envelope range of the U-shaped cofferdam; the two supporting trusses are separately mounted between the two transverse cofferdams; the two or more anchoring devices are fixedly arranged on a canal embankment; each anchoring device is connected to the longitudinal cofferdam or the transverse cofferdams through anchoring chains; and the power boat is positioned at the water side of the longitudinal cofferdam. The longitudinalcofferdam and the transverse cofferdams are assembled on water, are injected with water to sink, are positioned by the anchoring chains, float after water pumping, and are dismounted, so that zero emission of the canal can be realized.
Owner:CHINA HARZONE IND CORP
Notebook computer and waterproof sealing structure used for port connection
ActiveCN101498955BAchieving a watertight sealImprove applicabilityDigital data processing detailsMechanical engineering
Owner:LENOVO (BEIJING) LTD
Sealed electric connector for transmitting high-speed radio frequency or differential signals on vehicle
PendingCN113629440AReduce volumeImprove securityIncorrect coupling preventionSecuring/insulating coupling contact membersSignal onRadio frequency signal
The invention relates to a sealed electric connector for transmitting high-speed radio frequency or differential signals on a vehicle, which comprises a first connector and a second connector, wherein waterproof sealing between the first connector and an equipment mounting panel is realized through a sealing rubber pad, and waterproof sealing between the first connector and the second connector is realized through a flexible sealing element; a flange plate is arranged on a connector shell I of the first connector, and waterproof sealing is realized between the flange plate and the equipment mounting panel through the sealing rubber pad; the first connector and the second connector are provided with locking structures which are matched with each other, and the first connector and the second connector are locked with each other after being inserted through the locking structures; and the first connector is also provided with an identification key which is used for playing a role in error-proofing identification. The connector shell has universality, and a terminal structure for transmitting radio frequency signals or differential signals can be installed in the connector shell, so that function of transmitting the radio frequency signals or the differential signals is achieved, the cost is low, the size is small, and the waterproof performance is good.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Multi-point mechanical lock for anti-dropping reinforced cabinet
InactiveCN109972929ASame compressionAchieving a watertight sealBuilding locksWing accessoriesEngineeringMechanical engineering
The invention discloses a multi-point mechanical lock for an anti-dropping reinforced cabinet, and aims to provide a mechanical door lock which is resistant to strong vibration and strong impact mechanical environment. According to the technical scheme, a lock tongue (10) is connected with a gear through a lock hole of a lock box cover (12), a key push a stop pin (8) to compress a spring (7) to connect with a square shaft lock core (6), after the stop pin is separated from a lock cover (9), the square shaft lock core is rotate to drive the lock tongue to rotate, the end gear is driven to rotate at the same time, the gear is linked with racks (4) at two sides, connecting rods (3) are pushed to slide under the limiting and guiding action of sliding chutes (2) at two ends, the connecting rodsare clamped and locked in end locking catches (1), and the lock tongue (10) is rotationally clamped into a middle locking catch (11), so that the two end locking catches (1) and the middle locking catch clamped into the middle generate larger compression pre-tightening force; after the lock tongue is locked in place, the key is withdrawn; and the spring (7) pushes the stop pin to be clamped intothe lock cover (9), so that the anti-dropping function of resisting the strong vibration and the strong impact mechanical environment is realized.
Owner:10TH RES INST OF CETC
Lamp controller socket
PendingCN113471755ADoes not affect assemblyEasy to assembleCouplings bases/casesComputer hardwareEngineering
The invention provides a lamp controller socket. The lamp controller socket is suitable for being assembled with a lamp holder, and the lamp controller socket comprises a first mounting piece; a socket main body which is provided with a first socket part assembled with the first mounting piece through a lock catch structure, and a second socket part arranged corresponding to a mounting hole; a first sealing ring which is arranged between the first mounting piece and the socket main body so as to form waterproof sealing; a second sealing ring which is arranged between the socket main body and the lamp holder to form waterproof sealing; and a fastening assembly which is suitable for enabling the socket main body, the second sealing ring and the lamp holder to form sealing assembly. The first sealing ring for waterproof sealing is arranged between the first mounting piece and the socket main body. Compared with the mode that a sealing ring is arranged between the first mounting piece and the lamp holder in the prior art, the mounting position of the sealing ring is ingeniously changed; when the distance between the socket main body and the lamp holder is changed, the assembly of the first mounting piece and the socket main body is not influenced; therefore, assembly is quicker and more convenient, and assembly efficiency is improved.
Owner:QICHENG ELECTRICAL EQUIP
Piercing clamps for ground potential live working of insulated conductors
ActiveCN104795771BSolve the difficulty of peelingReduce labor intensityApparatus for joining/termination cablesUltimate tensile strengthGuide wires
A puncture clamp for the ground potential live working of insulated wire line connection comprises an upper clamp unit and a lower clamp unit matching with the upper clamp unit. The positive surface of the upper clamp unit is provided with a main wire clamping groove with a downward opening, the main wire clamping groove is provided with upper puncture teeth inside, the lower clamp unit is provided with a guide wire limiting groove corresponding to the main wire clamping groove, and the guide wire limiting groove is provided with lower puncture teeth inside; a main wire is tightened through puncture of the upper clamp unit and lower clamp unit, and an auxiliary wire is tightened through a conventional press plate. The conduction is implemented and fine tightness property of insulted guide wire for insulation is guaranteed through puncture, safe and rapid ground potential live working for branch line connection is implemented, the problem of difficulty in insulated guide wire peeling is solved, the work intensity for operation is reduced, an outdated mode that peeling is necessary for operation for a long term is solved, the operating efficiency is improved by 50%, and the problems of water proofing and tightness caused by insulated guide wire peeling are solved.
Owner:国网江苏省电力有限公司东海县供电分公司
Flip type connector with rubber-coated tail part and metal stop elastic sheet
PendingCN111900575AGood waterproof sealingExtended service lifeCouplings bases/casesEngineeringInterference fit
The invention relates to a flip type connector with a rubber-coated tail part and a metal stop elastic sheet. The flip type connector comprises a socket shell, an end cover hinged to the rear end of the socket shell through a pivot, and a power terminal in interference fit with a center hole of the socket shell. An inner rubber core is buckled at the bottom of the power terminal; a tail cover is fixedly arranged at the bottom of the socket shell; a stop protruding block is arranged on the rear side face of the end cover in a protruding mode, a first groove is formed in the top face of the rearend of the socket shell in a concave mode, a sliding groove is formed in the inner wall of the first groove, a metal stop elastic piece is embedded in the sliding groove from top to bottom, and whenthe end cover is opened, the stop protruding block is matched with the metal stop elastic piece to achieve end cover normal opening in a plug-in state. The metal stop elastic piece comprises a mounting part, a deformation part, a positioning convex point part and a positioning claw part which are integrally formed. According to the flip type connector provided by the invention, a multidirectionalwaterproof function is realized, the end cover can be always in the same state under the condition of no external force, and meanwhile, the designed metal stop elastic sheet can keep a relatively longservice life.
Owner:SHENZHEN CHOGORI TECH CO LTD
Marine elevator watertight method and structure
ActiveCN110126991AAchieving a watertight sealAffect normal workCargo handling apparatusVessel safetyEngineeringElectrical and Electronics engineering
The invention discloses a marine elevator watertight method and structure. An elevator comprises a lift car device, a car door device and a landing door device, the car door device is arranged on thelift car device, the landing door device corresponding to a deck of a ship is arranged on the side wall of a wellhole of the ship, a watertight door device is included, the watertight door device selectively moves between the car door device and the landing door device, the watertight door device is connected with the side wall of the wellhole in a watertight mode, and the landing door device is sealed in a watertight mode. The watertight door device is arranged on the side wall of the wellhole in an elevator shaft, the watertight door device is located between the car door device and the landing door device, when the watertight sealing operation is needed to be conducted on the landing door device, the watertight door can be controlled to move between the car door device and the landing door device, thus the watertight door device is connected with the side wall of the wellhole in a watertight mode, and watertight sealing of the landing door device is achieved.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD
High-pressure-resistant energy-concentrated directional explosive charge, and use method thereof
ActiveCN107014260APrevent leakageFix the problem of not being able to detonate explosivesBlasting cartridgesBlastingElectricityDetonator
The invention discloses a high-pressure-resistant energy-concentrated directional explosive charge, and a use method thereof, and belongs to the technical field of diaphragm walls. The directional explosive charge comprises an explosive located in a blasting cartridge, an electric detonator, and a first sealing element and a second sealing element which carry out waterproof sealing on the two ends of the blasting cartridge separately, wherein the first sealing element comprises a cover plate matched with the blasting cartridge in diameter, a sealing rubber gasket located at the junction of the cover plate and the blasting cartridge, a first wiring terminal penetrating through a conductive wire used for connecting the electric detonator, of the cover plate, and transferring a current, and a fixing assembly connecting the cover plate and the sealing rubber gasket with the blasting cartridge; and the junction of the first wiring terminal and the cover plate is sealed. According to the directional explosive charge disclosed by the invention, the waterproof sealing is carried out on the blasting cartridge through the first sealing element and the second sealing element, mud or water cannot enter the storage position of the explosive, and the explosive can be fired by the detonator.
Owner:SINOHYDRO FOUND ENG
Shape measuring system of underground long pipeline
ActiveCN107014353AAccurate measurementEasy to organizeIncline measurementMeasurement deviceEngineering
The invention relates to a shape measuring system of an underground long pipeline. The shape measuring system is used for measuring the shape of the underground long pipeline along with the movement of an outside traction device. The shape measuring system comprises a measuring device, a mechanical casing and an upper computer, wherein the measuring device is used for continuously measuring the inclining angle data of the underground long pipeline, and storing the inclining angle data; the mechanical casing is positioned at the exterior of the measuring device, is used for protecting the measuring device and is connected with the outside traction device; the upper computer is used for reading and processing the inclining angle data stored in the measuring device, and visually displaying the shape of the underground long pipeline. Compared with the prior art, the shape measuring system has the advantages that the detection is accurate, the implementing is convenient, the displaying is visual, the cost is reduced, and the like.
Owner:TONGJI UNIV
Watertight method and structure of marine elevator
ActiveCN110126991BAchieving a watertight sealAffect normal workCargo handling apparatusVessel safetyMarine engineeringCar door
The invention discloses a watertight method and structure of a marine elevator. The elevator includes a car device, a car door device and a landing door device. The car door device is arranged on the car device, and the landing door device is arranged on the well side wall of the ship corresponding to the deck of the ship. Above, it includes a watertight door device, which can be selectively moved between the car door device and the landing door device, and the watertight door device is watertightly connected with the side wall of the hoistway to seal the landing door device in a watertight manner. By arranging the watertight door device on the side wall of the shaft inside the elevator shaft, and making the watertight door device between the car door device and the landing door device, when the watertight sealing operation of the landing door device is required, the watertight door can be controlled to move to Between the car door device and the landing door device, the watertight connection between the watertight door device and the side wall of the hoistway is realized to realize the watertight sealing of the landing door device.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD
Wireless charging device and method for explosion-proof scene
PendingCN114825550AAvoid explosion riskSolved the problem that it was impossible to charge in areas other than the charging chamberBatteries circuit arrangementsElectric powerWater storage tankControl theory
The invention provides a wireless charging device and method for an explosion-proof scene, the charging device is used for wirelessly charging a movable electromechanical device, the bottom of the movable electromechanical device is provided with a charging receiving end, the charging device comprises a charging transmitting end, the charging transmitting end is arranged in a telescopic water storage tank, and the charging receiving end is connected with the telescopic water storage tank; the charging transmitting end is used for matching with the charging receiving end for charging; when the telescopic water storage tank stretches out, the charging transmitting end is driven to be close to the charging receiving end, and when the telescopic water storage tank retracts, the charging transmitting end is driven to be away from the charging receiving end; and the water medium is arranged in the telescopic water storage tank, the water medium submerges the charging transmitting end, and during charging, the upper surface of the water medium submerges the wireless charging receiving surface of the charging receiving end. Through the arrangement of the telescopic water storage tank and the charging transmitting end and the water medium in the telescopic water storage tank, water sealing of the charging structure in the wireless charging process is achieved, energy release in the charging process is isolated, and the charging safety in an anti-explosion scene is greatly improved.
Owner:北京京能能源技术研究有限责任公司
A gas-liquid tube type positive temperature coefficient thermistor heater for a multifunctional vehicle
InactiveCN107277943BGuaranteed reliabilityGood thermal contactOhmic-resistance electrodesHeating element materialsPolymer thin filmsThermistor
The invention discloses a multifunctional gas / liquid pipe-type positive-temperature-coefficient thermistor heater for vehicles. The heater includes a heater shell. A heater heat source is arranged in the heater shell. The heater heat source is in contact with an electrode plate. The electrode plate is in contact with a radiator. One end of the heater shell is fixedly connected with a connector. The connector is connected with one end of an electrical quick joint. The electrical quick joint is connected with one end of a liquid / gas pipe. The liquid / gas pipe is coated with a polymer PTC film. The polymer PTC film is sleeved with a double-wall heat shrinkable tube. The multifunctional gas / liquid pipe-type positive-temperature-coefficient thermistor heater for vehicles is used in a vehicle heating and diagnosing system. The problem that the traditional heater has many and disorderly wire harnesses and the problem that the heater cannot be powered off after being separated from an engine are solved. A safer design is adopted. The heater and a diagnosis structure are in the same circuit. The power supply is cut off immediately after the heater connector is disconnected. Thus, the heater is safer.
Owner:卢琴琴 +2
A method of outsourcing waterproof construction that penetrates metal roof panel components
ActiveCN111593887BAchieving a watertight sealIncrease stiffnessRoof covering insulationsBuilding material handlingArchitectural engineeringStructural engineering
Owner:GUANGZHOU XIEAN CONSTR ENG
Intelligent camera waterproof key signal detection method and mistaken touch prevention method
PendingCN111431521AAchieve shieldingPrevent accidental touch methodTelevision system detailsElectronic switchingComputer hardwareCapacitance
The invention relates to the technical field of intelligent camera shooting. The invention relates to a camera, in particular to an intelligent camera waterproof key signal detection method. A cameracomprises a housing and a lens, and a lens is clamped in the center of the front surface of the shell; a circuit board is clamped in an inner cavity of the shell; the circuit board comprises a controlchip, a touch key and a matched circuit module; the touch key and a matched circuit module form a reference capacitor Cp; the touch keys are attached to the inner wall of the shell; the part of the touch key clung to the shell is used as a medium. According to the invention, the touch key is clung to the inner wall of the shell; because the shell part tightly attached to the touched key is used as a medium, when a finger touches the shell part, an induction capacitor Cf is formed, and when the finger touches the medium, control can be carried out, so that waterproof sealing can be achieved, the operation is convenient, and the safety of the intelligent camera applied to an outdoor scene is greatly improved.
Owner:HANGZHOU CLOSELI TECH CO LTD
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