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30results about How to "Volume effect" patented technology
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Mobile terminal with digital vein recognition device and digital vein recognition method
The invention relates to the technical field of identity authentication, in particular to a mobile terminal with a digital vein recognition device and a digital vein recognition method. The mobile terminal with the digital vein recognition device comprises a mobile terminal body and an illuminating module, wherein the mobile terminal body is provided with an infrared imaging module and an image processing device, and the illuminating module and the mobile terminal body are arranged in a split mode. Meanwhile, the invention further provides a digital vein recognition method of the mobile terminal. Due to the facts that the digital vein recognition device is divided into the two portion, the infrared imaging module and the image processing device are arranged on the mobile terminal body, and the illuminating module is independently arranged, the digital vein collection function is achieved, no influence is caused on the size of the mobile terminal, and the problem that the digital vein recognition device cannot be arranged on the mobile terminal due to the excessively large size is solved.
Owner:中金银通信息技术有限公司
Electronic equipment and volume adjusting method thereof
The embodiment of the invention provides electronic equipment and a volume adjusting method thereof. The electronic equipment comprises a shell, a ceramic loudspeaker, a capacitance detection assembly, a processor and a driver; the ceramic loudspeaker is arranged in the shell and is provided with an exciter, and the exciter is connected with the shell; the capacitance detection assembly comprisesa first capacitor sheet, a second capacitor sheet and a detection chip. The first capacitor plate is connected between the exciter and the shell; the second capacitor plate is connected to one side, far away from the shell, of the exciter; the detection chip is electrically connected with the first capacitor plate and the second capacitor plate respectively, the first capacitor plate and the second capacitor plate form a variable capacitor unit, the capacitance value of the variable capacitor unit changes along with the deformation of the shell, and the detection chip is used for acquiring thereal-time capacitance value of the variable capacitor unit; the processor is electrically connected with the driver and the capacitance detection assembly, the driver is electrically connected with the exciter, and the processor controls the driver to adjust the output volume of the ceramic loudspeaker according to the real-time capacitance value.
Owner:VIVO MOBILE COMM CO LTD
Building outer wall, auxiliary tool and mounting and dismounting method
ActiveCN111236514AImprove stabilitySafe and reliable structureWallsBuilding repairsArchitectural engineeringStructural engineering
Owner:台州市拓基科技有限公司
Portable POS machine with stretchable and retractable anti-peep shield
The invention discloses a portable POS machine with a stretchable and retractable anti-peep shield. The portable POS machine comprises a rectangular parallelepiped housing. The front cover of the housing is provided with a display screen and keys. A groove is arranged between the display screen and the keys. On the two side edges of the housing, hinge points are disposed at the intersections of the extension lines of the grooves and the side edges. The tail portion of each side edge is provided with an arc chute using the hinge point as a center of circle and R as a radius. Both ends of the arc chute are located at the top and the bottom of the side edge respectively. Supporting pieces are arranged on both sides of the housing. One end of each supporting piece is fixed to the side edge of the housing via the hinge point. A rolling curtain mechanism is arranged in a groove and is provided with a shielding curtain. The tail end of the shielding curtain is provided with a suspending device that can be suspended from the top edge of the support. The portable POS machine with a stretchable and retractable anti-peep shield can prevent other from peeping. The anti-peep shield is stretchable and retractable so that the handheld POS machine is small in size and easy to carry.
Owner:苏州市国晶电子科技有限公司
High-strength corrosion-resistant heat-insulating horizontal pipe clamp
InactiveCN109237209ALow thermal conductivityReduce heat lossPipe supportsThermal insulationIonEmulsion
The invention discloses a high-strength corrosion-resistant heat-insulating horizontal pipe clamp, and relates to the technical field of pipe fittings. The high-strength corrosion-resistant heat-insulating horizontal pipe clamp comprises an annular pipe clamp and a heat-insulating coating disposed on the outer side thereof. The heat-insulating coating contains the following raw materials in partsby weight: 18 to 28 parts of deionized water, 25 to 35 parts of an elastic acrylic emulsion, 2 to 5 parts of potassium hexatitanate whisker, 4 to 8 parts of SiO2 aerogel, and 5-20 parts of hollow glass microbeads, 5 to 9 parts of polytetrafluoroethylene dispersion emulsion, 5 to 10 parts of graphite, and 2 to 5 parts of an auxiliary agent. The horizontal pipe clamp has advantages of low heat loss,and has advantages of high strength and strong corrosion resistance.
Owner:BEIDELI ENERGY EQUIP JIANGSU CO LTD
Coating device with function of cleaning stuff canister
InactiveCN110201825AProduct drying effect is goodImprove work efficiencyPretreated surfacesCoatingsElectric machineryMotor shaft
The invention discloses a coating device with a function of cleaning a stuff canister. The coating device comprises a shell, support columns, a fixed plate and a second hydraulic cylinder, wherein a box door is arranged on the front side surface of the shell, an observation window is arranged on the side surface of the outside of the box door, and a fixing frame is arranged on the upper side surface of the interior of the shell. A first motor is arranged inside the fixing frame, wherein the first motor is connected with a first motor shaft, and the first motor shaft penetrates through the upper side surface of the fixing frame. A first rotating shaft is arranged at the upper end of the first motor shaft, and an object placing plate is arranged at the upper end of the first rotating shaft.The support columns are arranged on the upper side surface of the shell, a first hydraulic cylinder is arranged between the support columns, and meanwhile a first hydraulic rod is arranged on the lower side surface of the first hydraulic cylinder. According to the coating device with the function of cleaning the stuff canister, two groups of scrapers are arranged, so when water is injected into the stuff canister through a material inlet, the two groups of scraping plates rotate along with motors to carry out rubbing cleaning on the coating adhered to the interior of the stuff canister, thus preventing the inner volume of the stuff canister being affected.
Owner:江苏纵湖涂装设备产业研究院有限公司
Flexible light shielding cover unfolding state detecting system
ActiveCN109270587ATroubleshoot telemetry issuesAvoid high bandwidth usageOptical detectionEngineeringLength wave
A flexible light shielding cover unfolding state detecting system comprises a transmitter and a receiver, wherein the transmitter and the receiver are installed at both ends of a supporting rod of a flexible light shielding cover; and the transmitter is used for emitting light waves with the wavelength of 850 nm to 950 nm, and the receiver judges whether the flexible light shielding cover is unfolded according to the light waves emitted by the transmitter. The flexible light shielding cover unfolding state detecting system effectively solves the problem of detecting the spatial unfolding stateof the flexible light shielding cover, and is low in cost and easy to implement.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
Diesel nozzle shear stability tester
PendingCN109238922AImprove sealingImprove accuracyIndirect flow property measurementLine tubingEngineering
The invention discloses a diesel nozzle shear stability tester, which comprises a bottom plate. A plurality of universal wheels are uniformly installed on the bottom wall of the bottom plate; a driving motor is fixedly installed on the top wall of the bottom plate; a double-piston type injection pump is fixedly connected to a driving end of the driving motor; a pump speed adjusting screw and a pump exhaust screw are fixedly installed on the outer wall of the double-piston type injection pump; a stroke type counter is connected to the double-piston type injection pump; an installation frame isfixedly installed on the top wall of the bottom plate; a nozzle and an atomizing chamber are fixedly installed on the outer wall of the top end of the installation frame; an atomizing chamber outlet and an evacuation tube are connected at the bottom end of the atomizing chamber; and a backflow pipeline for excess liquid is connected to the nozzle. The diesel nozzle shear stability tester in the invention adopts a first sealing plate and a second sealing plate to tightly connect the atomizing chamber and a cooling device; a sealing plug is used for connecting the cooling device and a liquid storing groove, thereby improving the sealing performance of the diesel nozzle shear stability tester and improving the test accuracy.
Owner:WUHAN YANRUN TECH DEV CO LTD
Track type inspection robot walking mechanism
PendingCN110328653AImprove work efficiencySimple mechanismManipulatorEngineeringMechanical engineering
The invention relates to a track type inspection robot walking mechanism. The track type inspection robot walking mechanism comprises support plates, at least two wheel discs and a plurality of crawling wheel claws, wherein the plurality of crawling wheel claws are connected from end to end to form a chain transmission mechanism; each support plate is of a U shape with a small top and a large bottom; the support plates and the wheel discs are fixed on a robot; the bottoms of the support plates are in contact with the inner wall of the chain transmission mechanism; the support plates are located at transition positions of the crawling wheel claws for grasping and releasing an operation tack; the robot drives the wheel discs to rotate; the wheel discs drive the crawling wheel claws to move;when the crawling wheel claws move to the support plates, the crawling wheel claws are in contact with the support plates, so that the crawling wheel claws are opened; when the crawling wheel claws continuously moves until the crawling wheel claws are separate from the support plates, the crawling wheel claws are closed and are used for clamping the operation track, so that the robot is driven tosafely and stably move on the complicated operation track.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
Low-radiation electric hair drier
The invention relates to the field of household appliances, aims to solve the problem of electromagnetic radiation of the electric hair drier, and relates to a low-radiation electric hair drier. The low-radiation electric hair drier comprises a shell, a handle assembly connected with the shell, an air inlet, an air outlet, a motor used for sucking air flow into the electric hair drier from the airinlet, and a heating unit used for heating the air flow. The electric hair drier further comprises an EMC shielding structure, the EMC shielding structure comprises a circuit board controlling the electric hair drier to work and a conducting layer electrically connected with the circuit board, the motor is electrically connected with the circuit board, and the circuit board, the conducting layerand the motor form a closed loop circuit. And electromagnetic radiation generated by the motor in the working process is reduced.
Owner:LESHOW ELECTRONICS TECH CO LTD
Printed circuit board and wireless communication device with printed circuit board
ActiveCN106100662BReduce parasitic capacitanceVolume effectPrinted circuit detailsAntenna supports/mountingsParasitic capacitanceMechanical engineering
The invention discloses a wireless communication device, comprising a printed circuit board, an audio element, an audio circuit and a parasitic capacitance reducing structure, wherein the printed circuit board is provided with a plurality of conductive layers and a plurality of insulating layers arranged among the plurality of conductive layers respectively; the audio element and the audio circuit are arranged on the printed circuit board, and the audio element is arranged on the top conductive layer and provided with an electrical pin directly connected with the audio circuit; and the parasitic capacitance reducing structure is arranged on the printed circuit board to reduce the parasitic capacitance between the audio element and the conductive layer of the printed circuit board. By adopting the parasitic capacitance reducing structure, the working band of the audio element is improved so that the audio element works beyond the working frequency required by an antenna of the wireless communication device, and the problem that the audio element interferes with the antenna is solved.
Owner:SHANGHAI TRANSSION CO LTD
Beveling machine
The invention discloses a beveling machine, which comprises a bracket, wherein a base is mounted on the bracket, a sliding frame is mounted on the base and can slide back and forth along the base; a connecting base is mounted on the sliding frame; a cutter and a support are mounted on the connecting base; a retractable mechanism is mounted on the support; a contour wheel is mounted on the linear moving component of the retractable mechanism, and is located in parallel to the cutter to control the cutting depth of the cutter. The beveling machine is equipped with a sliding frame which can move back and forth and a spring; the sliding frame can adjust position anytime the shape of the pot body changes, so as to adjust the position of the cutter, and guarantee the accuracy of the cutting of the bevel; the structure determines the manner of cutting the bevel of the pot body is that the pot body rotates and the beveling machine stays still; the manner of cutting the bevel of the pot body facilitates machining and process for the bevel of a large pot body; moreover, the size of the beveling machine is not influenced by the size of the pot body; the beveling machine has the advantages of compact structure and small size.
Owner:SHANDONG SHUIBO WELDING & CUTTING EQUIP MFG CO LTD
Array laser based on waveguide grating coupler and preparation method thereof
InactiveCN112688170AExcellent production yield and process suitabilityCost advantageLaser detailsCoupling light guidesErbium lasersCurrent limiting
The invention provides an array laser based on a waveguide grating coupler and preparation method thereof. The array laser comprises an N-type injection electrode Au / Ge / Ni / Au, an N-type GaAs substrate, a lower DBR with Al<0.1>Ga<0.9>As / Al<0.9>Ga<0.1>As alternately growing, a quantum well active region Al<0.2>Ga<0.8>Al<0.12>In<0.18>Ga<0.7>As, an oxidation current limiting layer Al<0.98> / Ga<0.02>As, an upper DBR with Al<0.1>Ga<0.9>As / Al<0.9>Ga<0.1>As alternately growing, a SiO<2> passivation layer, a P-type injection electrode Ti / Au, an ultraviolet curable adhesive, a waveguide substrate, a vertical coupling waveguide; a lateral coupling waveguide layer; a two-dimensional diffraction grating. And the waveguide grating coupler is utilized to reduce the overall spectral line width. The preparation of the waveguide layer is realized without secondary epitaxy, the preparation cost is reduced, and the production yield is improved.
Owner:BEIJING UNIV OF TECH
Electronic equipment and its volume adjustment method
Embodiments of the present invention provide an electronic device and a volume adjustment method thereof. The electronic equipment includes a casing, a ceramic speaker, a capacitance detection component, a processor and a driver; the ceramic speaker is arranged in the casing and has an exciter connected to the casing; the capacitance detection assembly includes a first connected between the exciter and the casing. A capacitor, a second capacitor connected to the side of the exciter away from the casing, a detection chip electrically connected to the first capacitor and the second capacitor respectively, the first capacitor and the second capacitor form a variable capacitor unit, the processor controls the driver to adjust the output volume of the ceramic speaker according to the real-time capacitance value. The capacitance detection component can detect the change of the real-time capacitance value of the variable capacitance unit; the processor controls the driver to adjust the output volume of the ceramic speaker according to the real-time capacitance value, so that the volume of the ceramic speaker is not affected by the hand holding or pressing, which solves the problem of electronic equipment. Included is an issue where the volume drops when the case is held by a human hand.
Owner:VIVO MOBILE COMM CO LTD
A protection method, device and electronic equipment
ActiveCN106778358BPlay a protective effectVolume effectInternal/peripheral component protectionElectric controlElectrical and Electronics engineering
The embodiment of the invention provides a protection method, a device and electronic equipment. On one hand, the device is arranged in the electronic equipment. The device comprises a gravity sensor, an electric control switch, a control chip and an elastic protection structure, wherein the electric control switch comprises a telescopic component, the control chip is connected with the gravity sensor and the electric control switch respectively, and the elastic protection structure is connected with the telescopic component of the electric control switch and is arranged at an appointed position in the electronic equipment. According to the device disclosed by the embodiment of the invention, the telescopic component can buffer the electronic equipment when extending out, so that a protection effect on the electronic equipment is achieved when the electronic equipment is impacted. As the device is arranged in the electronic equipment, the volume of the electronic equipment is not affected, and the electronic equipment is convenient to carry.
Owner:唯科终端技术(东莞)有限公司
A kind of purple pottery ice kettle
The invention discloses a purple pottery ice water pot. The pot comprises a pot body and a pot spout. An ice cavity and a water storage cavity are formed in the pot body. The ice cavity is formed in the water storage cavity, and is not communicated with the water storage cavity. A pot opening and a water inlet are formed in the top of the pot body and are communicated with the ice cavity and the water storage cavity respectively. The pot spout is formed in the pot body, and a water outlet passage in the pot spout is communicated with the water storage cavity. The pot spout includes an extending portion and a bending portion. The extending portion extends upwards along the side wall of the pot body from the bottom of the side wall of the pot body. The bending portion is arranged above threefifths of the height of the pot body and bends upwards in the direction away from the pot body. A diversion trench is formed in the side, away from the pot body, in the water outlet passage of the pot spout. The purple pottery ice water pot is compact in structure, small in occupied space and convenient to carry and can provide drinking water with good mouthfeel.
Owner:KUNMING DIANYI INTANGIBLE CULTURAL HERITAGE RES & DEV
Beveling machine
The invention discloses a beveling machine, which comprises a bracket, wherein a base is mounted on the bracket, a sliding frame is mounted on the base and can slide back and forth along the base; a connecting base is mounted on the sliding frame; a cutter and a support are mounted on the connecting base; a retractable mechanism is mounted on the support; a contour wheel is mounted on the linear moving component of the retractable mechanism, and is located in parallel to the cutter to control the cutting depth of the cutter. The beveling machine is equipped with a sliding frame which can move back and forth and a spring; the sliding frame can adjust position anytime the shape of the pot body changes, so as to adjust the position of the cutter, and guarantee the accuracy of the cutting of the bevel; the structure determines the manner of cutting the bevel of the pot body is that the pot body rotates and the beveling machine stays still; the manner of cutting the bevel of the pot body facilitates machining and process for the bevel of a large pot body; moreover, the size of the beveling machine is not influenced by the size of the pot body; the beveling machine has the advantages of compact structure and small size.
Owner:SHANDONG SHUIBO WELDING & CUTTING EQUIP MFG CO LTD
Clothes treatment equipment
PendingCN110318216AIncrease the gapIncrease internal spaceOther washing machinesTextiles and paperDrive shaftEngineering
The invention belongs to the technical field of clothes treatment, and aims at solving the problem that according to existing clothes treatment equipment adopting a direct drive motor, due to unreasonable arrangement of the direct drive motor, a large space is occupied. Clothes treatment equipment is provided and comprises an outer drum, an inner drum arranged in the outer drum, and a direct drivemotor connected with the inner drum, the direct drive motor comprises a motor shell connected with the outer drum, and a driving assembly arranged in the motor shell, and the driving assembly comprises a rotor, a stator and a driving shaft; the rotor and the stator are arranged in the motor shell, and the rotor is connected with the inner drum through the driving shaft. According to the clothes treatment equipment, the stator and the rotor are arranged in the motor shell, a bearing pedestal is not needed for fixing the stator, and therefore the bearing pedestal can be saved, the internal space of the inner drum can be expanded, and the volume of the whole clothes treatment equipment is increased, that is, the clothes treatment equipment can conduct clothes treatment on more clothes, and the user experience is improved.
Owner:QINGDAO HAIER DRUM WASHING MACHINE
Internal and external partitioned efficient production workbench of numerical control gantry machining center
ActiveCN113231836AImprove stabilityImprove machining accuracyLarge fixed membersPositioning apparatusNumerical controlProcess engineering
The invention discloses an internal and external partitioned efficient production workbench of a numerical control gantry machining center, and belongs to the technical field of numerical control machining. The internal and external partitioned efficient production workbench comprises a supporting assembly, a fixing assembly and a workbench assembly, wherein the supporting assembly is located at the lowermost end of the whole device, the fixing assembly is arranged in the center of the supporting assembly, and the workbench assembly is arranged on the side of the fixing assembly. The internal and external partitioned efficient production workbench is scientific, reasonable and safe and convenient to use, the technical scheme that workbenches are replaced mutually is achieved in a workbench rotating mode, an operator can detach just-machined workpiece outside the machining area and fix new workpieces while the machining center machines workpieces inside the machining area, the time consumed for detaching the machined workpieces and fixing the new workpieces every time when the numerical control gantry machining center machines one workpiece is saved, and therefore the machining efficiency is greatly improved.
Owner:普锐米勒机床(东莞)有限公司
Liquid reversing valve for color mixer and color mixer
ActiveCN113187928AChange the relative positional relationshipChange positional relationshipOperating means/releasing devices for valvesMultiple way valvesMechanical engineeringElectrical and Electronics engineering
The invention provides a liquid reversing valve for a color mixer and the color mixer. The liquid reversing valve for the color mixer comprises a valve body provided with a plurality of communicating openings, a valve element which is rotationally arranged in the valve body and is provided with a liquid channel and a plurality of grouting openings which communicate with the liquid channel and are matched with the communicating openings, a static valve plate which is fixedly arranged in the valve body, is located between the communicating openings and the grouting openings and is provided with a static channel, and a movable valve plate which is connected with the valve element and synchronously and rotationally connected with the valve element in the axial direction, the movable valve plate abuts against the static valve plate and is provided with a movable channel, when the static channel and the movable channel are located in the butt joint communication position, color paste can flow between the communicating openings and the grouting openings through the static channel and the movable channel, and when the static channel and the movable channel are located in the staggered sealing positions, the color paste can flow between the communicating openings and the grouting openings. The liquid reversing valve solves the problem that a three-way reversing valve of a color mixer in the prior art is poor in sealing effect.
Owner:ZHENGZHOU SANHUA TECH & IND
An easy-to-install sandwich color steel plate
The invention discloses an easy-to-install sandwich color steel plate in the technical field of clean room wall installation. A side plate is connected, an air bag is arranged at the center position between the two baffle plates, a valve is fixedly connected to the air bag, the valve passes through the baffle plate, and movable splints are fixedly connected on both sides of the air bag. In the present invention, by injecting or releasing gas into the air bag, The volume of the airbag changes, and the airbag drives the movable block to move through the movable splint, the connecting column, and the movable block drives the side insertion strip to extend or retract the sandwich color steel plate, and at the same time, the wedge-shaped block and the movable plate drive the upper insertion strip to extend or retract. Sandwich color steel plate, it is convenient to put the side plug strip and the upper plug strip into the sandwich color steel plate during the handling process. During the handling process, a collision occurred, resulting in damage to the connection of the sandwich color steel plate and reducing the assembly speed.
Owner:江苏盈达机电科技有限公司
A control method and mobile terminal
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
A short distance communication antenna, electronic equipment and circuit switching method
ActiveCN105680156BVolume effectSend and receive normallyAntenna supports/mountingsRadiating elements structural formsShortest distanceHeadphones
The invention discloses a near field communication antenna, an electronic device and a circuit switching method. The near field communication antenna comprises an antenna body and a plug, wherein the antenna body is arranged at one end of the plug, a signal path is arranged between the antenna body and the plug, the shape of the plug is matched with a headset jack of the electronic device of the near field communication circuit, and the near field communication circuit is connected with the near field communication circuit through the signal path after the plug is plugged into the headset jack. With the adoption of the near field communication antenna, the electronic device or the circuit switching method, disclosed by the invention, the near field communication (NFC) antenna is detachably arranged on the electronic device, and the NFC antenna still can normally sends and receives a signal when a shell of the electronic device is made of an all-metal material.
Owner:LENOVO (BEIJING) LTD
Pre-combustion chamber structure and engine
The embodiment of the invention discloses a pre-combustion chamber structure and an engine, relates to the technical field of engines, and solves the problem of discontinuous adjustment of the jet flow sectional area in the related technology. The pre-combustion chamber structure comprises an outer-layer structure, an inner-layer structure and a driving device, the outer-layer structure is arranged in a combustion chamber of the automobile engine, a containing cavity is formed in the outer-layer structure, an outer-layer through hole is formed in the vertical side wall of the outer-layer structure, and the containing cavity communicates with the interior of the combustion chamber of the automobile engine through the outer-layer through hole; the inner-layer structure is arranged in the containing cavity, a pre-combustion cavity is formed in the inner-layer structure, the vertical side wall of the inner-layer structure and the vertical side wall of the outer-layer structure slide in an attached mode, and inner-layer through holes are formed in the vertical side wall of the inner-layer structure; the driving device is used for driving the inner-layer structure to vertically slide in the outer-layer structure, so that the inner-layer through holes and the outer-layer through holes are aligned or staggered. The pre-combustion chamber structure is used for igniting combustible mixed gas in a combustion chamber of an automobile engine.
Owner:DONGFENG MOTOR GRP
3d printing equipment and effectors of 3d printing equipment
InactiveCN105082543BProblems that affect the small effective printing rangeSolve the problem that the effective printing range is smallManufacturing heating elements3D object support structuresControl armEngineering
Owner:深圳马顿科技有限公司
Measuring circuit for voltage of single batteries of series lithium battery pack based on optocoupler relays
InactiveCN104656022AEasy to getReduce noiseElectrical testingMeasurement using digital techniquesElectrical batteryAnalog signal
The invention relates to a measuring circuit for voltage of single batteries of a series lithium battery pack based on optocoupler relays. The circuit comprises an optocoupler relay set, a decoder, an A / D (Analog to Digital) sampling chip and a measuring MCU (Microprogrammed Control Unit), wherein the optocoupler relays are arranged in the optocoupler relay set; an analog signal input end of the A / D sampling chip is connected with the single batteries of the series lithium battery pack via the optocoupler relays; a digital signal output end of the A / D sampling chip is connected with the measuring MCU; and the measuring MCU is connected with control ends of the optocoupler relays via the decoder. Compared with the prior art, the circuit has the advantages that the circuit is low in noise, small in size, simple in structure, stable in performance, and simple.
Owner:上海航天智能装备有限公司
A kind of n-doped porous silicon-based composite material and its preparation method and application
ActiveCN109728265BImprove conductivityImprove cycle stabilityCell electrodesSecondary cellsSilicon oxideAMINO BASE
The present invention provides an N-doped porous silicon-based composite material, a preparation method and application thereof, wherein the N source in the porous silicon-based composite material is an organosiloxane monomer containing one or more branched amino-hydrocarbon groups , that is derived from the amino hydrocarbon branch chain in the organosiloxane monomer, the doping of the N element significantly improves the conductivity of the porous silicon-based composite material. In the preparation process of the porous silicon-based composite material, a reducing agent is optionally added, and the addition of the reducing agent promotes the reduction of the silicon oxide formed by the organosiloxane monomer as a precursor, so that the generated Si crystals are reduced. The grains are embedded in a matrix of unreduced silicon oxide, which buffers the volume effect of the Si grains during charge and discharge. The porous silicon-based composite material is etched by HF during the preparation process, and a large number of voids are formed inside the composite material to form a porous silicon-based composite material, which also plays the role of buffer volume effect.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
A detection system for the unfolded state of a flexible shading cover
ActiveCN109270587BTroubleshoot telemetry issuesAvoid high bandwidth usageOptical detectionLens hoodEngineering
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
Wearable device
ActiveCN111262327BVolume effectImprove battery lifeBraceletsElectric powerElectrical batteryElectrical connection
Owner:VIVO MOBILE COMM CO LTD
Display panel, display device and electronic equipment
The invention discloses a display panel, a display device and electronic equipment. According to the main technical scheme, the display panel comprises a TFT substrate, a black matrix layer, an insulating layer, a second electrode layer and a packaging layer which are sequentially arranged in a stacked mode. The black matrix layer comprises a pixel opening area covered with a first electrode layer; and the position, corresponding to the side wall of the pixel opening area, of the first electrode layer and the black matrix layer are covered with the insulating layer. The first electrode layer comprises a first area and a second area which are separated from each other; the second electrode layer comprises a third area and a fourth area which are separated from each other; the orthographic projection of the first area facing the TFT substrate is in the orthographic projection of the third area facing the TFT substrate, and the orthographic projection of the second area and the orthographic projection of the fourth area facing the TFT substrate are completely overlapped; the light-emitting pixel layer is arranged between the first area and the third area; a passivation layer is arranged between the second area and the fourth area; the capacitance between the second area and the fourth area is changed by the deformation of the passivation layer under the action of an external force.
Owner:BOE TECH GRP CO LTD +1
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