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69results about How to "No leakage phenomenon" patented technology
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Water-proof electric heating floor system, water-proof electric heating floor and electric heating assembly thereof
InactiveCN102256389ANo leakage phenomenonImprove securityLighting and heating apparatusElectric heating systemElectricityEngineering
The invention discloses a water-proof electric heating floor system which is mainly characterized by comprising water-proof electric heating floors, connectors and a power supply system, wherein the power supply system comprises a power supply circuit and floor circuits. Each power supply socket on the power supply circuit is electrically connected with the corresponding fire line and zero line respectively, and each floor circuit is electrically connected with the corresponding fire line and zero line respectively through the mutual water-proof sealed and fixed connection and electric connection between each power supply socket and the bus plug of the corresponding floor circuit. All the water-proof electric heating floors are connected in parallel on the firing line and the zero line through the mutual water-proof sealed and fixed connection and electric connection between the power supply insertion parts and the corresponding floors of two corresponding floor circuits respectively connected with the firing line and the zero line. Therefore, even certain waterproof electric heating floor is damaged, the normal working of other waterproof electric heating floors can not be influenced, and the water-proof electric heating floor system is safe and reliable. The water-proof electric heating floors are connected through corresponding connectors, the installation is convenient, and wood is saved.
Owner:葛林
Waterproof self-heating floor system, and waterproof self-heating floors and self-heating assemblies thereof
ActiveCN102256393ANo leakage phenomenonImprove securityLighting and heating apparatusOhmic-resistance waterproof/air-tight sealsElectricitySelf heating
The invention discloses a waterproof self-heating floor system, comprising waterproof self-heating floors, connecting pieces and a power supply system. The power supply system is a power supply circuit. The quantity of the waterproof self-heating floors can meet the demand on the laying area; each waterproof self-heating floor comprises a floor main body and a self-heating assembly. The front side and the rear side of each floor main body are provided with connecting parts for connecting with the adjacent waterproof self-heating floors through the connecting pieces when the floor main body is used. Each self-heating assembly is a waterproof electric heating assembly. A socket part and a dual-plug part are respectively arranged on two ends of each self-heating assembly; when being used, the socket part is a waterproof connecting part which can be electrically connected in a mutual splicing fixation way and mutually sealed with the dual-plug part of the self-heating assembly of the corresponding adjacent waterproof self-heating floor. All the waterproof self-heating floors in the same row are electrically connected to the power supply circuit in parallel; and each waterproof self-heating floor is an independent heating unit which has no influence on the other units and is safe and reliable during the use.
Owner:启东市天汾电动工具技术创新中心
Electrostatic air cleaner
InactiveCN106925428APrevent breakdownReduce ozone productionElectrode constructionsElectric fieldAir cleaners
The invention provides an electrostatic air cleaner which comprises an electric charge cavity (10), an electric charge module (30) and a dust removal cavity (20). The electric charge cavity (10) is provided with an air inlet (50) allowing air to flow in; the electric charge module (30) is arranged in the electric charge cavity (10) and used for enabling solid particles in air to be loaded with negative electricity; the dust removal cavity (20) is communicated with the electric charge cavity (10), and a dust collecting unit (200) is arranged in the dust removal cavity (20); the dust collecting unit (200) comprises a plurality of dust collecting plates (1) and a plurality of high-pressure plates; the multiple dust collecting plates (1) and the multiple high-pressure plates are arranged in a staggered manner; each dust collecting plate (1) and the adjacent high-pressure plate are spaced by a stipulated distance, and a dust removal electric field is formed; and each high-pressure plate comprises an electric conduction polar plate (3) and insulation plates (2) located on the two sides of the electric conduction polar plate (3).
Owner:HANVON CORP
Self-heating floor and electrothermal component thereof
InactiveCN102510586ASimple structureFacilitate mass industrial productionLighting and heating apparatusOhmic-resistance waterproof/air-tight sealsElectricityEngineering
Owner:葛林
LED filament
InactiveCN104319342AReduce material costNo leakage blueSolid-state devicesSemiconductor devicesFluorescenceLED filament
An LED filament comprises a transparent substrate and LED wafers arranged on the transparent substrate. The LED wafers are electrically connected through metal wires to form a closed circuit, a fluorescent adhesive layer is formed in a physical or chemical mode on one wafer fixing side of the substrate, the LED wafers are fixedly arranged on the fluorescent adhesive layer and completely located within the range of the fluorescent adhesive layer, and a fluorescent adhesive coating layer is formed on the wafers in an adhesive dispensing or die pressing mode and completely wraps the LED wafers and the wires. According to the LED filament, the wafers are fixedly arranged on the fluorescent adhesive layer formed on the wafer fixing side of the transparent substrate, the fluorescent adhesive coating layer is formed on the wafers in an adhesive dispensing or die pressing mode, the dosage of fluorescent powder and adhesive can be reduced, and the material cost is reduced; and the side of the filament is free of blue leakage.
Owner:SHENZHEN REFOND OPTOELECTRONICS
Phase change heat storage type electric heating floor
InactiveCN103776080ACompact and reasonable structureImprove securityLighting and heating apparatusElectric heating systemElectricityElectrical connection
The invention discloses a phase change heat storage type electric heating floor. The phase change heat storage type electric heating floor comprises a floor main body and an electric heating assembly. Socket positions which are connected with the adjacent electric heating floor portions during usage are formed on the periphery of the floor. The phase change heat storage type electric heating floor is characterized by also comprising a flat phase change unit; the floor main body comprises a panel component and a base plate; the corresponding positions of the panel component and the base plate in the vertical direction are bonded and fixed together to form the floor main body, wherein the inside of the floor main body comprises the first installation space; the electric heating assembly comprises an electric heating piece, a transmission unit and connection sockets which are located at the front end and the rear end of the electric heating piece respectively and used for performing electrical connection externally; the electric heating piece and the phase change unit are fixedly arranged in the first installation space of the floor main body; the panel component, the electric heating piece, the phase change unit and the base plate are arranged in turn from top to bottom and are in close contact with each other in turn in the vertical direction.
Owner:江苏德威木业有限公司
Wiring repair method, array substrate and display panel
The invention provides a wiring repair method, an array substrate and a display panel. The wiring repair method provided by the invention comprises the following steps: cutting off the portion of a data line located at both sides of a leakage point when a leakage occurs at the intersection of the data line and a scan line; using a repair line to connect the data line located at both sides of the cut-off point; and cutting off a storage capacitor branch line located on a side of the data line, wherein the storage capacitor branch line is connected to a storage capacitor bus, the storage capacitor branch line includes a first segment branch line and a second segment branch line located in a pixel area, the first segment branch line is connected between the storage capacitor bus and the second segment branch line, the second segment branch line is located at an edge position of the pixel area, and the cut-off point of on storage capacitor branch line is located on the first segment branchline. The wiring repair method provided by the invention can prevent a leakage phenomenon when repairing the wiring, and can ensure normal transmission of pixel signals.
Owner:CHENGDU ZHONGDIAN PANDA DISPLAY TECH CO LTD
Application grinding method of abrasive wheel muller in valve
InactiveCN101176981AGrinding speed is fastImprove grinding precisionSeat surface grinding machinesFailure rateUniversal joint
The invention relates to a grinding method with the application of the grinding wheel muller in the valve; wherein, the grinding wheel muller comprises a pneumatic motor, a drive rod, a grinding wheel plate, and a plurality of grinding wheel heads. The compressed air drives the pneumatic motor connected with the drive rod through the joint shaft; a driving bevel gear and a driven bevel gear arranged on the lower end of the drive rod are meshed with each other; the universal joint is connected with the grinding wheel on the external part of the body; the grinding wheel heads are arranged at both ends of the grinding wheel. The grinding method applied in the valve can be normally used in the condition of steam, water and wet, and cold grinding is not needed in the high temperature of 400 to 500 DEG C; online grinding can be used when the large valve leaks; grinding wheel heads and transmission regulate rods matched with the sealing surface can be assembled on valves with different specification, and repairing can be used when valve sealing surface leaks. The invention has the advantages of fast grinding, lower material cost, high grinding precision, simple operation, safety and reliability, low failure rate, long time continuous operation under any bad environment, and application for grinding on various valves.
Owner:赵殿纯
Protective equipment for depositing/withdrawing port of ATM (automatic teller machine) housing
InactiveCN102568087AAppearance has no effectAppearance effectCoin/currency accepting devicesForeign matterEngineering
The invention relates to an ATM (automatic teller machine), particularly to protective equipment for a depositing / withdrawing port of an ATM housing, which includes a cover plate, a spring hinge enabling the cover plate to be covered at an inner end of the depositing / withdrawing port of an ATM housing, an oscillating bar with an upper end capable of oscillating relative to the ATM housing, and a spring enabling the oscillating bar to stand, wherein a slide slot is arranged at the upper end of the oscillating bar, the spring hinge is hinged onto a lower side edge of the cover plate, a sliding block is arranged at the upper end of the cover plate, the upper end of the cover plate is matched with the slide slot through the sliding block and connected with the upper end of the oscillating bar, and a stopper capable of preventing a machine core of the ATM housing from moving is arranged at the middle part of the oscillating bar. The invention provides the protective equipment for the depositing / withdrawing port of the ATM housing, which has a reliable safety protection effect and can automatically operate along with the moving of the machine core, and solves the problems that when an indication board is arranged for reminding and preventing the machine core of the ATM housing from being pushed into the housing, safety accidents occur due to foreign matters entering the internal of the housing through the depositing / withdrawing port of the ATM housing, thereby resulting in an unreliable protective effect.
Owner:EASTERN COMM +1
Spontaneous heating floor
ActiveCN102607096AEasy to installImprove thermal efficiencyLighting and heating apparatusElectric heating systemElectricityPower flow
The invention discloses a spontaneous heating floor, which is characterized by comprising a panel, a soleplate and a spontaneous heating component. The heating body of the spontaneous heating component is an electric heating plate. The panel is adhered on the soleplate from above to form a main floor body with an inner cavity. The electric heating plate of the spontaneous heating component is arranged in the inner cavity of the main floor body. Power supply plug connectors belonging to the spontaneous heating components are arranged on the front and back sides of the main floor body. The power supply plug connectors are reliably limited and fixed in the main floor body and are capable of realizing electric connection and current transmission with an adjacent spontaneous heating floor at an insertion hole position exposed outwards from the power supply plug connectors and provided with copper inserting pins by means of a corresponding electric connecting component; and in the invention, the spontaneous heating floor is installed simply and conveniently, and a technical guarantee for safe and reliable application, high heat efficiency and durable structure is provided.
Owner:枣庄高新区利民供热服务有限公司
Carrier for bearing sensor of wearable electronic equipment
ActiveCN104197971AKeep freshChange functionMeasurement apparatus componentsEngineeringElectric equipment
The invention discloses a carrier for a bearing sensor of wearable electronic equipment which can be mixed and used with a traditional serial connecting ornament. The carrier comprises a sensor body relating to biological, swinging and locating sensing, a circuit integration and power supply device, wherein the carrier is a serial first component provided with a hollow and enclosed cavity, each first component is provided with a though pipe which can penetrate through upper and lower ends of each first component, and all first components can penetrate through corresponding through pipes and can be serially connected with the through pipes through flexible ropes or soft bands; the sensor, the circuit integration and power supply device are fixed in the hollow inner cavity of the first component, and the two ports of the through pipe of each first component are respectively provided with a naked input electrode ring, a static protection part and a leakage protection part capable of receiving the charge of a wireless charger; one port of the through pipe is further provided with a waterproof sealing structure. The carrier provided by the invention can be mixed and used with the wearable true ornaments, and a function of the wearable intelligent electronic product can be changed by a way of changing the different sensors of different types.
Owner:GUANGZHOU TRACEBIRD INTELLIGENT TECH CO LTD
Electric wire device for construction site, and electric wire stringing and protecting method
InactiveCN110683427AImprove winding efficiencyExtended service lifeElectrical apparatusElectric driveElectric wire
The invention belongs to the field of electric wire devices, and particularly relates to an electric wire device for the construction site. The electric wire device for the construction site comprisesa base, supports, a winding roller, a belt pulley A, a synchronous belt, a belt pulley B, a damping ring, an electric drive module and the like. The two supports are symmetrically arranged on the base with a moving device; and when a worker is carelessly stumbled by a use-state transition cable released from the winding roller, a suspended transition cable can pull the winding roller to rotate for two to three circles under the action of an external force, a volute spiral spring is compressed so as to store energy, and the transition cable is continuously released for a certain length by therotating winding roller so as to form buffer on the external force stressed by the transition cable, so that the transition cable is prevented from being pulled and damaged under the action of the stumbling external force, the service life of the transition cable is prolonged, the worker stumbled by the transition cable is prevented from being unbuffered stumbled by the cable so as to fall off, and the activity safety of working personnel is further ensured.
Owner:张颖倩
Bi-stable piezoelectric-electromagnetic power generation device making use of kinetic energy of fluid in pipeline
PendingCN108258934ANo leakageLeakage will not occurPiezoelectric/electrostriction/magnetostriction machinesMachines/enginesImpellerElectricity
The invention discloses a bi-stable piezoelectric-electromagnetic power generation device making use of kinetic energy of fluid in a pipeline. The device structurally mainly comprises the fluid pipeline, an outer shell, two bi-stable piezoelectric components, a coil, an impeller component, a fixing shaft and an energy capture circuit. An impeller is arranged in the middle of the fluid pipeline andfixed to the inner wall of the fluid pipeline through a fixing rod, four magnets are arranged on the impeller, the outer surface of the fluid pipeline is provided with the multi-turn metal coil, andtwo sides of the coil are connected with the energy capture circuit. The outer shell is fixedly connected with the fluid pipeline, the two bi-stable piezoelectric components in vertical arrangement are arranged between the fluid pipeline and the outer shell, a flexible piezoelectric element is an MFC, two poles of the MFC are connected with the energy capture circuit, and the piezoelectric components are fixedly mounted on a boss of the shell. By the piezoelectric element and an electromagnetic element, kinetic energy of the fluid in the pipeline is converted into electric energy, the pipelineis free of holes, and a power generation component is isolated from fluid, so that risks of liquid leakage and electricity leakage are avoided; by piezoelectric-electromagnetic power generation, structural simplicity and great power generation effects are achieved.
Owner:JILIN UNIV
High-thermal conductivity small-grain diameter asphalt mixture
The invention relates to a high-thermal conductivity small-grain diameter asphalt mixture which is prepared from the following raw materials in parts by mass: 100 parts of aggregate, 5.8-7.0 parts of SBS modified asphalt, 0.1-0.35 part of fiber stabilizing agent, 0.1-0.8 part of aluminum nitride and 4-12.5 parts of mineral powder. The high-thermal conductivity small-grain diameter asphalt mixture of the invention is paved on a conductive asphalt layer to a thickness of 20-25mm, which saves the amount of raw materials, reduces the engineering cost, ensures smooth paved road, reduces vibration and noise, can meet the requirement of a heavy traffic road surface layer and ensure that heat released by the conductive asphalt layer can be more rapidly conducted to the surface layer and the ice and the snow on the road can be melted as soon as possible, can improve efficiency and save electric energy, can not generate an electricity leakage phenomenon and can ensure the safety of vehicles and pedestrians. The invention has the advantages of high construction speed and early traffic running.
Owner:CHANGAN UNIV
Crystallizer for copper alloy electromagnetic continuous casting
The invention discloses a crystallizer for copper alloy electromagnetic continuous casting. According to the crystallizer, an upper cover, a seamed crystallizer cylinder an a first cooling water jacket are fixed into a sealed body. The first cooling water jacket is provided with wiring windows allowing two terminals of an electromagnetic coil to extend out of a wall to be externally connected witha power source. The seam of the seamed crystallizer cylinder is filled with a insulated material and sealant which can transmit electromagnetism. A first graphite sleeve is fixed to the inner wall ofthe seamed crystallizer cylinder. A water cavity of the first cooling water jacket is a vertical spiral water channel. The lower part of the outer wall of the first cooling water jacket is provided with a first water inlet. The upper part of the outer wall of the first cooling water sleeve is provided with a first water outlet. The crystallizer for copper alloy electromagnetic continuous castingfurther comprises a second cooling water jacket fixed to the bottom of the first cooling water jacket. A center hole of the upper cover, an inner hole of the graphite sleeve and a center hole of the second cooling water jacket are located on the same axis and form a copper alloy melt inlet, a copper alloy containing cavity and a copper ingot outlet from top to bottom. The crystallizer cylinder hasstrong electromagnetism transmitting capacity and is resistant to wear, good in safety and good in cooling effect, and the structure of the cooling water jackets is compact.
Owner:DALIAN UNIV OF TECH +1
Integrated spontaneous heating floor board and bi-directional electric connecting plug
InactiveCN103132673BAvoid squeezeSo as not to damageLighting and heating apparatusElectric heating systemElectricityEngineering
The invention discloses an integrated spontaneous heating floor board which comprises a floor board main body and a spontaneous heating assembly. The floor board main body comprises a face plate and a bottom main body. The spontaneous heating assembly is arranged between the face plate and the bottom main body. The face plate is fixedly connected with the bottom main body from top to bottom. The integrated spontaneous heating floor board is characterized in that the floor board main body is provided with an internal cavity. Plug-in portions are arranged on the periphery of the floor board main body. The spontaneous heating assembly is a waterproof electric heating assembly which comprises electric heating pieces, a transmission unit and two mounting seats, wherein the two mounting seats are respectively arranged at the left end and the right end of the electric heating pieces. The electric heating pieces are electrically connected with the transmission unit through electrodes of the electric heating pieces and corresponding electric connection components. The electric heating pieces of the spontaneous heating assembly are arranged in the internal cavity of the floor board main body. The mounting seats of the spontaneous heating assembly are fixedly connected and embedded in the floor board main body, and the two mounting seats are respectively exposed out of the left side and the right side of the floor board main body. Therefore, the left mounting seat and the right mounting seat of the spontaneous heating assembly are used as corresponding power supply plug connecting pieces on the left side and the right side of the integrated spontaneous heating floor board.
Owner:江苏德威木业有限公司
Startup control circuit and related device thereof
ActiveCN112925246ASpeed up the pull-down speedQuick switchProgramme controlComputer controlControl cellHemt circuits
The embodiment of the invention discloses a startup control circuit and a related device thereof. The circuit comprises a startup control unit and an anti-creeping circuit, a first port of the startup control unit is connected with a startup control pin of a chip, a second port of the startup control unit is grounded, a third port of the startup control unit is connected with a first port of the anti-creeping circuit, a second port of the anti-creeping circuit is connected with a power supply, and a third port of the anti-creeping circuit is grounded. The startup control unit is used for controlling the level of the startup control pin after receiving a power-on signal sent by the anti-creeping circuit so as to realize an automatic startup function of the chip, and the anti-creeping circuit is used for discharging in a first time period after receiving a conduction signal sent by the startup control unit so as to realize an anti-creeping function of the chip. According to the embodiment of the invention, through the startup control unit and the anti-creeping circuit, the automatic startup, shutdown and anti-creeping functions of the chip can be realized, the circuit design is greatly simplified, and the use efficiency of the circuit is improved.
Owner:BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
Lower installation base of installation base and covering plate of installation base
ActiveCN102705892AEasy to installImprove thermal efficiencyLighting and heating apparatusElectric heating systemEngineeringFlange
The invention discloses a lower installation base of an installation base and a covering plate of the installation base. The lower installation base is an integrated injection molded piece; the lower installation base comprises a connecting part, a stair flange part and a lower half socket part; the connecting part of the lower installation base is connected with the lower half socket part through the back side; the covering plate is composed of an upper half socket part at the front part of the covering plate and a pressing plate part at the rear part of the covering plate; the upper side plane of the pressing plate part and the upper side plane of the upper half socket part are at the same plane; the lower side plane of the pressing plate is higher than the lower end face of the upper half socket part; and the covering plate is installed at the lower half socket part and on the connecting part of the lower installation base in a manner of being in match from up to bottom so as to compose a corresponding installation base.
Owner:泰州市海通资产管理有限公司
Vent plug for ventilation and stirring of bottom of smelting furnace and metal smelting furnace
InactiveCN109141016APrevent disengagementImprove sealingStirring devicesCharge treatment typeRefractoryEngineering
The invention relates to a vent plug for ventilation and stirring of the bottom of a smelting furnace. The vent plug is installed on the bottom of a furnace body of the smelting furnace and comprisesa ventilating core which is made of a high-temperature resisting material and is internally provided with air holes, the lower end face of the ventilating core is provided with a groove, and the groove is internally provided with an insertion hole. One end of a high-temperature resisting seamless pipe is provided with a first end expanding disk, the end portion of the high-temperature resisting seamless pipe is inserted into the insertion hole of the ventilating core, and the first expanding disk is located in the groove. A first refractory castable cured structural body is formed by curing high-strength refractory castable filled in the groove. A second refractory castable cured structural body is formed by curing high-strength refractor castable wrapping the ventilating core, the first refractory castable cured structural body and the outer surface of high-temperature resisting seamless pipe. The invention further relates to the metal smelting furnace comprising the vent plug. The vent plug is provided with multiple structures preventing the ventilating core from disengaging and multiple sealing structures and can reinforce the fixation of the ventilating core and the high-temperature resisting seamless pipe, and the service life of the whole furnace body is prolonged.
Owner:FUJIAN METAL NEW ALU TECH
Buzzer driving circuit and calculator circuit with same
ActiveCN102376301AReduced DC Impedance RequirementsNo leakage phenomenonDigital computer detailsSound producing devicesDirect currentCalculator
The invention provides a buzzer driving circuit which comprises an output unit. The output unit comprises a first key sound pin and a second key sound pin and is used for outputting a driving signal to a buzzer. The first key sound pin and the second key sound pin output opposite square waves when the buzzer works and output the same level when the buzzer is idle. The invention also provides a calculator circuit. The buzzer driving circuit provided by the invention is adopted in the calculator circuit. When the buzzer driving circuit and the calculator circuit with the buzzer driving circuit,which are provided by the invention, are used for the buzzer with low DC (direct current) impedance, the phenomenon of electric leakage which is commonly generated when the buzzer is idle cannot be generated.
Owner:CRM ICBG (WUXI) CO LTD
Connection seat component of electric heating floorboard and connection rod component
ActiveCN103779687AEasy to importSimple stick structureCoupling contact membersCouplings bases/casesElectricityCopper
The invention discloses a connection seat component of an electric heating floorboard, which comprises two leads. The connection seat component of the electric heating floorboard is characterized by further comprising a connection seat and two conductive connectors; the connection seat comprises a first connection hole, a second connection hole, a first pin hole, a second pin hole, a rear cavity body and a lead hole; the opening of the lead hole is backward and is communicated with the rear cavity; the two conductive connectors are respectively a left-side conductive connector and a right-side conductive connector according to the different left and right location places; both the left-side conductive connector and the right-side conductive connector comprise copper pins and rear-side parts located at the rear parts of the copper pins; the rear section of the copper pin of the left-side conductive connector is located in the first pin hole of the connection seat and the two are matched in a sealing mode; the rear side part of the left-side conductive connector is electrically connected with the first lead of the two leads; the rear section of the copper pin of the right-side conductive connector is located in the second pin hole of the connection seat and the two are matched in a sealing mode; and the rear side part of the right-side conductive connector is electrically covenanted with the second lead of the two leads.
Owner:枣庄高新区利民供热服务有限公司
Painting method for antiseptic wear-resistant coating of PC joist steel jointing plate and PC joist steel jointing plate
InactiveCN107398412AImprove wear resistanceImprove skid resistancePretreated surfacesCoatingsWear resistantMetal alloy
The invention relates to a painting method for an antiseptic wear-resistant coating of a PC joist steel jointing plate and the PC joist steel jointing plate. The painting method comprises the following steps: S1, carrying out pretreatment to a steel jointing plate so as to enable the surface to be painted of the steel jointing plate to be clean and free of dust, rust and grease, and enabling the roughness of the steel jointing plate to meet the preset requirement; S2, carrying out co-penetrated antiseptic treatment to the surface to be painted of the steel jointing plate subjected to the pretreatment so as to enable the surface to be painted of the steel jointing plate to form a co-penetrated antiseptic layer for metal alloy; and S3, coating antiseptic wear-resistant paint film on the co-penetrated antiseptic layer for the metal alloy to obtain the antiseptic wear-resistant coating after the antiseptic wear-resistant paint film dries and solidifies. The painting method provided by the invention increases the wear resistance and skid resistance of the steel jointing plate, prolongs the normal tenure of use of the antiseptic wear-resistant coating of the steel jointing plate, reduces on-site maintenance in later period, enables a train to normally travel and is safe and reliable.
Owner:重庆樽明机械工业有限公司
Phase change heat storage type electric heating floor
InactiveCN103776080BCompact and reasonable structureImprove securityLighting and heating apparatusElectric heating systemElectricityElectrical connection
Owner:江苏德威木业有限公司
Lamp tube and protection circuit and protection device applied to lamp tube
ActiveCN110786079ANo leakage phenomenonAvoid mutationElectrical apparatusSemiconductor lamp usageCurrent voltageEngineering
The invention belongs to the technical field of lamps, in particular to a lamp tube and a protection circuit and protection device applied to the lamp tube. An analog filament circuit is arranged at each of two poles of the lamp tube for receiving an alternating-current signal provided by an alternating-current power supply. The protection circuit is preheated; rectification processing is carriedout on the alternating current signal through a rectification circuit; a corresponding direct-current voltage signal is output; then, a control circuit is used for controlling the on and off of the direct-current voltage signal based on the access state of the protection circuit and an external circuit; and finally, abrupt change of the voltage of a light source module is avoided through an energystorage circuit; it is ensured that no electric leakage phenomenon is generated in the power supply access process of the lamp tube, and the problem that large potential safety hazards exist in hot-line operation in the lamp tube replacement process is solved.
Owner:SHENZHEN LONGHORN INTELLIGENT INSTR TECH CO LTD
Water-proof type self-heating floor
ActiveCN103096531ANo leakage phenomenonImprove securityLighting and heating apparatusElectric heating systemEngineeringSelf heating
Owner:LINYI JIECHUANG CHEM IND PARK CO LTD
Laser marking method of silicon wafer and manufacturing method of heterojunction cell
PendingCN113814570AReduce mechanical damageAbsorbing influenceFinal product manufactureSemiconductor/solid-state device manufacturingHeterojunctionPhysical chemistry
The invention discloses a laser marking method of a silicon wafer and a manufacturing method of a heterojunction cell. The laser marking method comprises the steps: enabling a pattern of a marking line to generate a marking code through setting marking parameters; inputting the marking code to a laser; and the laser being used to emit light beams to the surface of the silicon wafer according to the marking code, and the light beams being used to etch the surface of the silicon wafer to obtain the marking line. The marking line comprises a scribing line formed on the surface of the silicon wafer, and the scribing line comprises a solid line segment formed after the surface of the silicon wafer is etched by the laser and a dotted line segment which is not etched by the laser. According to the laser marking method, the mechanical damage to the silicon wafer in the laser marking process can be reduced to the greatest extent, the damaged surface formed on the silicon wafer is relatively smooth, and the silicon wafer does not have a shadow under PL imaging; and after the heterojunction cell is prepared, the electric leakage phenomenon at the laser code printing position is less, the electrical property is better, and the cell conversion efficiency is high. In addition, after the silicon wafer is textured and cleaned, a pyramid textured surface can be formed at the etching position, so that the influence of the silicon wafer on light absorption is avoided.
Owner:宣城睿晖宣晟企业管理中心合伙企业(有限合伙)
Novel CVT dry-type electromagnetic unit
InactiveCN106128714AReduce volumeReduce weightTransformers/inductances coils/windings/connectionsTransformers/inductances magnetic coresLow voltageCapacitive voltage divider
A novel CVT dry-type electromagnetic unit comprises an intermediate transformer, a compensation reactor and a quick saturation damper. The primary leading-out terminal of the intermediate transformer is connected with the medium-voltage terminal of a capacitive voltage divider through a boss, a secondary leading-out terminal of the intermediate transformer is connected with the low-voltage terminal of the capacitive voltage divider through a first concave regulating box. The intermediate transformer, the compensation reactor and the quick saturation damper are formed in a pouring and packaging mode through insulation resin and installed in a box. The novel CVT dry-type electromagnetic unit is compact in structure, free of condensation, low in partial discharge, high in precision, free of oilation and good in sealing and insulation performance.
Owner:HUNAN HUAXIONG NEW MATERIALS
Spontaneous heating assembly
ActiveCN103079296ANo leakage phenomenonImprove securityLighting and heating apparatusOhmic-resistance waterproof/air-tight sealsEngineeringThin sheet
Owner:泰州市海通资产管理有限公司
Photoinduction array substrate, preparation method thereof and display
ActiveCN112420760ASatisfy efficient light absorptionImprove light absorption efficiencyTransistorFinal product manufactureDisplay devicePhotoresist
The invention discloses a photoinduction array substrate, a preparation method thereof and a display. Photoresist patterns with different thicknesses are prepared in the area for preparing the sensorthin film transistor and the switch thin film transistor, the sensor thin film transistor is provided with the molybdenum disulfide layer through etching, and the switch thin film transistor is free of the molybdenum disulfide layer. The light absorption of the sensor thin film transistor can be improved, the switch thin film transistor is not influenced, and the requirements of high-efficiency light absorption of the sensor thin film transistor and low light absorption of the switch thin film transistor can be met at the same time.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Self-heating type floor decoration tile
ActiveCN102677862AEasy to installImprove thermal efficiencyLighting and heating apparatusElectric heating systemElectricityPower flow
The invention discloses a self-heating type floor decoration brick, and is characterized by comprising a floor tile panel, a floor tile lower seat and a self-heating assembly. A heating unit of the self-heating assembly is an electric heating piece. The floor tile is stuck and fixed above the floor tile lower seat to form a floor tile main body provided with an inner cavity. The electric heating piece of the self-heating assembly is arranged in the inner cavity of the floor tile main body. Power supply plug connectors of the self-heating assembly are arranged on the front side and the back side of the floor tile main body. The power supply plug connectors are reliably limited and fixed in the floor tile main body and can be used for electric connection with an adjacent electric heating floor tile and transmission of current by externally protruded spliced eye positions provided with copper contain pins through corresponding electric connection assemblies, so that the electric heating floor tile has the advantages of being simple and convenient to install, safe and reliable to use, higher in heat efficiency, durability and structurally providing technical supports.
Owner:枣庄高新区利民供热服务有限公司
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