73results about How to "No volume change" patented technology

The invention provides a near-field communication method and a near-field communication method system of a touch panel terminal as well as the touch panel terminal, which are suitable for the communication field. The touch panel terminal comprises a touch sensor, wherein the touch sensor comprises a plurality of driving electrodes and a plurality of induction electrodes, the driving electrodes and the induction electrodes are distributed on a base plate to form a capacitor structure, at least one electrode of the driving electrodes and the induction electrodes is used as a transmitting electrode, and at least one electrode of the driving electrodes and the induction electrodes is used as a receiving electrode. The touch panel terminal can transmit and receive signals by the electrodes of the multiplexing touch panel terminal so as to realize the near-field communication based on an electric field, and the touch panel terminal is provided with a signal processing system in a chip, so that an induction type card reader or a component with similar functions is not required to be additionally provided, and the original volume of the touch panel terminal is not changed.

The invention discloses a composite bonded silicious hot repair material, which belongs to the technical field of refractory materials. The repair material comprises the following compositions in percentage by weight: 45 to 55 percent of silicious clinker aggregate, 8 to 12 percent of silicious clinker powder, 20 to 30 percent of natural silica powder, 8 to 12 percent of complex binder, 3 to 5 percent of plasticizer, and 1 to 1.5 percent of dispersant. The silicious clinker aggregate and the silicious clinker powder are waste main crown silica bricks (SiO2 is more than or equal to 95 percent) and fused quartz tubes or fused quartz wedges (SiO2 is more than or equal to 98 percent), SiO2 is more than or equal to 96 percent in natural silica, the complex binder is formed by compounding an SiO2 ceramic bond and a phosphorous acid (phosphate) chemical bond, the plasticizer is white clay or bentonite, and the dispersant is silica fume. The repair material is processed according to the particle size. The invention can satisfy various conditions proposed by hot repair of a kiln to the repair material, can also realize the aims of saving energy sources and increasing the service life of the kiln, and can also be used for filling or building positions which are not suitable for silica brick masonry during the cold repair at the same time.

The invention discloses a broadband muffler pipe of adjustable resonant frequency based Helmholtz resonator. The pipe comprises an upper surface and a lower surface arranged on the pipe body in a parallel manner. The upper surface and the lower surface are both provided with a plurality of dimensionally fixed cavities arranged symmetrically along the main pipe body with the cavities at equal intervals. A pair of solid baffle plates is arranged between each cavity and the main pipe body. A throat tube with variable positions and cross-sections is formed between two solid baffle plates. The eccentricity and the cross-section of the throat tube vary according to the movement of the solid baffle plates from the left to the right. The broadband muffler pipe of adjustable resonant frequency based Helmholtz resonator of the invention can improve the cavity length without changing the volume of the resonator cavity so that the size of the cavity on the acoustic wave transmission path is close to an acoustic wave length. With the invention, the action frequency of the resonator is changed by breaking the application conditions of a lumped parameter system and changing the cross-section size of the internal throat tube and its distance to the center of the cavity.

The invention discloses a radiator and particularly relates to an intensive radiator. The intensive radiator comprises a base and cooling fins. The cooling fins are vertically fixed to the base through aluminum adhesives, evenly-distributed grooves are formed in the back side of the base, heat conduction tubes are embedded in the grooves, and the heat conduction tubes are encapsulated in the grooves through a heat conduction layer. The intensive radiator is simple in structure, the cooling fins are fixed to the base by means of the aluminum adhesives instead of being inserted into the base by means of stamping clamping grooves, arrangement density of the cooling fins can be increased, and heat dissipation efficiency is improved; because the heat conduction tubes are embedded in the back side of the base, heat conductivity of the radiator can be effectively improved, and heat dissipation efficiency is further improved.

The invention discloses a packaging cover plate of a sensitivity-strengthened electric field sensor and a packaging method and relates to the technical field of electric field detection. The packaging cover plate comprises an inner core, a cover plate edge and an isolation ring, wherein the inner core is located in the middle of the cover plate and above the sensitive face of the packaged electric field sensor, and the sensitivity of the electric field sensor is effectively strengthened. The cover plate edge is used for connecting a packaging pipe housing. The isolation ring is located between the cover plate edge and the inner core to play supporting and isolation effects. In addition, the packaging convenience is further increased by adopting the structure. Correspondingly, the structure is successively prepared by adopting the packaging method of the corresponding electric field sensor.

The invention discloses a method for preparing alumina supporters. The method comprises the following steps of: mixing micron-sized slender fungi serving as a template, aluminum hydroxide raw powder and an adhesive to obtain a mixture; and molding, drying and baking the mixture to obtain the alumina supporters. Pores of alumina can be enlarged by selecting the fungi with appropriate diameters according to actual macromolecular reactants and resultants, and the micron-sized pores have high penetrability, which contributes to the reaction and diffusion of macromolecular substances.

The invention discloses a negative electrode current collector comprising a porous metal substrate and a lithium-containing material incorporated in the porous metal substrate, the lithium-containingmaterial being uniformly loaded in pores of the porous metal substrate, and the lithium-containing material being capable of being removed from the pores during a lithium ion battery cycle. The invention also discloses a negative electrode sheet, comprising the negative electrode current collector and a negative electrode active material layer of the negative electrode current collector surface, wherein the negative electrode material layer comprises a negative electrode active material. The invention also discloses a preparation method of the negative electrode current collector and a lithiumion battery.

The invention relates to a method for manufacturing a carbon/silicon carbide aircraft brake material with a sandwich structure. A porous sandwich structure carbon/carbon composite material and a porous sandwich structure carbon/carbon composite material high-temperature graphite are prepared by preparing a sandwich structure carbon fiber prefabricated body and a chemical vapor deposition method. Chemical treatment, preparation of water-based graphite powder slurry, water-based graphite powder slurry impregnated porous sandwich structure carbon/carbon composite material, impregnated graphite powder porous sandwich structure carbon/carbon composite material for reaction melt infiltration treatment. The invention effectively solves the problem of residual Si and its agglomeration in the traditional RMI process, realizes the uniform distribution of the material phase of the friction function layer, and the reasonable matching of material structure and function. The friction performance of the manufactured brake disc is high and stable, and the wear rate Small, friction performance is not sensitive to environmental humidity and temperature, and has excellent mechanical properties, can meet the requirements of aircraft brake materials, and has simple process, strong process controllability, good repeatability and low cost.

The invention provides an air valve structure of a carbon arc gouging gun. The air valve structure comprises a pressure rod type manual control air valve formed by a valve casing, a valve cover and a valve core rod, wherein an air inlet half-moon groove and an air outlet half-moon groove are respectively formed at the upper edge part and the lower edge part of an air inlet and an air outlet at two sides of a valve core cavity along the peripheral direction of the inner wall of the valve core cavity. The air valve structure has the beneficial effects that a half-moon air guide slot for connecting the air inlet with the air outlet is skillfully formed in the inner wall of the valve core cavity, so that the air guide amount of the air valve is greatly increased; the air consumption and the airflow pressure of the carbon arc gouging gun can be completely satisfied under the condition of not changing the size of the valve body and not affecting the comfortableness of manually operating the opening and closing of the air valve; the processing quality of products can be ensured; and the problem that the air flow of a pressing handle type manual control air valve is small can be successfully solved.

The invention discloses a double compressor impeller supercharger, comprising a no-blade turbine housing, a turbine wheel, a bearing pedestal, a compressor casing, a bearing, a compressor impeller 1 and a compressor impeller 2. The supercharger is characterized in that the no-blade turbine housing is internally provided with the turbine wheel, the turbine wheel is connected with the bearing pedestal, the bearing pedestal is connected with the compressor casing, the compressor casing is internally provided with the bearing, the bearing is provided with the compressor impeller 1 and the compressor impeller 2. A conventional single compressor impeller supercharger is improved to the double compressor impeller supercharger, and air is compressed again after being compressed, so as to improve compressed air velocity, reduce temperature of pressurized air, and improve volumetric efficiency. Thus, combustion of an engine is more sufficient, and an objective of reducing emission is achieved. The double compressor impeller supercharger is simple in design, easy in assembling, reduced in cost, and reduced in intake air temperature. Dynamic property of the engine is improved while volume of the engine is not changed. The double compressor impeller supercharger is stable in performance and good in reliability, and the engine is more compact and beautiful.

The invention discloses a three-phase integrated GIS independent bus voltage measuring device and relates to the technical field of power systems. The device comprises a secondary measurement module as well as a measuring device body and a voltage display module which are connected with the secondary measurement module, and the voltage display module is used for calculating and displaying bus voltages of high-voltage conductors; the measuring device body comprises a measuring tank body, a connecting flange, a bus connector, a metal shielding case and three high-voltage conductors; the measuring tank body comprises an open end and a closed end; the connecting flange is a metal connecting part mounted at the open end, and the connecting flange is used for connecting the measuring tank body and a GIS tank body, so that the bus voltage measuring device and the GIS tank body are mutually independent; the bus connector is mounted on the high-voltage conductors, the bus connector is connectedwith the high-voltage conductors and a bus of the GIS tank body during normal operation, and the bus connector is connected with the high-voltage conductors and a three-phase voltage source during calibration, thus the aim that detection and the calibraction can be performed before the device comes into use is achieved, and voltage measurement accuracy is guaranteed.

The invention discloses a screen frame and screen bed separated double-plastid near resonance screen which comprises a screen bed (1) and a screen frame (2), wherein main vibration springs (6) are arranged between the screen bed (1) and the screen frame (2); the screen bed (1) is mounted on the ground by isolation springs (8); exciting vibration motors (9) are mounted on the screen frame (2); the screen frame (2) consists of side plates (3) and transverse beams (4); the main vibration springs (6) are arranged between connecting seats (5) of the side plates (3) and the screen bed (1); and the exciting vibration motors (9) are mounted on the transverse beams (4). The double-plastid near resonance screen has the benefits that the screen frame serves as an exciting vibration body, so that the double-plastid near resonance screen has no extra metal consumption, and a purpose that totally consumed steel is reduced greatly under the same design function parameter; the screen frame serves as an exciter, so that the vibration strength is less, and the structural strength is high in reliability; the double-plastid near resonance screen is designed based on a principle of double-plastid near resonance, and is a large-scale rectilinear vibration screen; the power consumption is less; and an impact of equipment on a foundation is smaller.

The invention discloses a combined type automobile automatic air conditioner assembly, and relates to the technical field of automobile air conditioners. The combined type automobile automatic air conditioner assembly comprises a filter assembly, wherein the filter assembly comprises a shell part and a filter arranged in the shell part; the filter assembly further comprises a draught fan assembly,a volute and an outer circulation air door plate which are arranged in the shell part. The shell part comprises a front cover plate, a filter assembly outer shell and a fan mounting plate which are detachably and fixedly connected in sequence from front to back; the volute is detachably fixed on the fan mounting plate, and the fan assembly is arranged in the volute; the filter is detachably fixedto the middle of the filter assembly outer shell and located on the front side of the volute. The front end of the filter assembly outer shell is provided with a front wall bending and extending downwards, the rear side of the front wall is provided with an outer circulation air inlet, and the outer circulation air door plate is arranged on the upper portion of the front wall. By improving the structure of the filter assembly, a disassembly and assembly channel is effectively reserved for the filter, the fan assembly and the volute, and disassembly and assembly operation in the later maintenance process is greatly facilitated.

The invention provides a platform pedal. The platform pedal is formed by a plurality of pedal unit plates which are arrayed and assembled; through holes are formed in the pedal unit plates, and connecting rods are arranged in the through holes in a penetrating mode and sequentially connected with the multiple pedal unit plates; and the pedal unit plates are provided with cavities, and the cavitiesare filled with fireproof materials. The invention further provides a subway tunnel evacuation platform comprising the platform pedal, a preparation method of the subway tunnel evacuation platform, and equipment for preparing the pedal unit plates in the platform pedal. According to the platform pedal and the prepared subway tunnel evacuation platform, seamless splicing can be realized, the spliced pedal platform has good flatness, and the good fireproof and heat insulation effects can further be achieved.

The invention relates to thermal insulation mortar prepared from waste tiles and a preparation method of the thermal insulation mortar, which belong to the field of building materials. The thermal insulation mortar is prepared from, by weight, 400-500 parts of cementing materials, 100-280 parts of quartz sand, 200-400 parts of modified waste tile particles, 7-10 parts of cellulose, 2-5 parts of water reducing agents and 2-4 parts of tackifiers; and the particle size of the modified waste tiles is 0.5-2 mm, and the accumulation area is 70-90 kg/m<3>. Vitrified waste tile aggregate and quartz sand are taken as aggregate, and Portland cement or aluminate cement is taken as a cementing material, so that resource utilization of waste tiles can be realized, and the problems of environmental pollution, resource and energy consumption and the like caused by the waste tiles can be reduced to the greatest extent; waste tiles are crushed and processed to prepare waste tile particles, through acidification, vitrification and modification, the specific surface area and porosity of the waste tile particles are increased, and the water absorption rate and the heat conductivity coefficient of the waste tile particles are reduced, so that the heat conductivity of the waste tile particles is reduced, and the heat preservation performance of the mortar is effectively improved.

The invention relates to a throat-type inlet manifold of an electrical control fuel jet-type internal combustion engine, which comprises an inlet manifold body, wherein a plurality of channels communicated with a combustion chamber of the engine are arranged on the body, injection nozzles and one or a plurality of throats are arranged in the channels, the throats are provided with flow-guiding holes, the flow-guiding holes are arranged along the air inlet direction, and front outlets of the flow-guiding holes are close to the injection orifices of the injection nozzles. The high speed airflow of the throats enables the oil mist of the injection nozzles to be subjected to secondary atomization, and mixing efficiency of fuel and air is improved significantly, so that performance of the engine is enhanced, fuel is saved, harmful gas emission of the engine is lowered, and starting and acceleration performance of cars and ships using the internal combustion engine as power can be improved and fuel consumption thereof can be reduced without changing the working capacity of cylinders. The throats are arranged in the channels of the inlet manifold, so that outer space of the engine is not occupied, and capacity of the cylinders is not changed.

The invention provides an extruding and discharging device for a cosmetic package. The end surface of a bottleneck is provided with a small hole which has equivalent size with the pipe diameter of a discharging pipe; the bottleneck is provided with an air inlet micropore; the upper end of the discharging pipe passes through the small hole in a penetrating way on the end surface of the bottleneck and the lower end thereof extends to the bottom of the bottle. As the bottle body is internally provided with the discharging pipe, the bottle cover needs to be opened when in use, the bottle body can be extruded softly and the latex material bursts out uniformly and quickly from the upper end of the discharging pipe; the discharged material amount is controlled by hand-feeling; even when minimal material exists at the bottom of the bottle, the minimal material can be extruded out easily and conveniently; without changing the volume and shape of the original package, only a discharging pipe is needed to be inserted into the discharging hole of the upper end surface of the bottleneck and the bottleneck is provided with the air inlet micropore; and the extruding and discharging device has simple structure and convenient usage.

The invention discloses a light large-power drilling mud pump. The light large-power drilling mud pump comprises a pump shell, a small gear shaft, a crank shaft, a large gear shaft, a gear ring, a connecting rod, a mud blocking plate and a fluid end, wherein the structure sizes of the pump shell, the small gear shaft, the crank shaft, the large gear shaft, the gear ring, the connecting rod, the mud blocking plate and the fluid end equal those of a pump shell, a small gear shaft, a crank shaft, a large gear shaft, a gear ring, a connecting rod, a mud blocking plate and a fluid end of a low-power-grade drilling mud pump, the overall Brinell hardness of the large gear shaft is HB235-265, and the Rockwell hardness of the tooth surface of the large gear shaft is HRC50-55. According to the technical scheme, on the premise that the weight of the whole set of equipment is not increased, operation reliability of the equipment is improved, product quality is guaranteed, purchasing cost of metal materials is reduced, and profits are practically improved. The population and the application of the light large-power drilling mud pump have huge economic and environmental benefits.

The invention discloses a refrigeration device, and relates to the technical field of storage equipment. The refrigeration device is invented to solve the problem that the detection precision of a pressure sensor is influenced because a vacuum joint of an existing refrigeration device communicates with the pressure sensor through a hose. The refrigeration device comprises a box body, wherein a storage chamber is arranged in the box body; a vacuum box arranged in the storage chamber, wherein an air outlet is formed in the vacuum box; a vacuum joint provided with an air inlet hole, an air suction hole and a pressure connector which communicate with one another, wherein the air inlet hole communicates with the air outlet, and the air suction hole is used for communicating with a vacuum pump;and a pressure sensor integrated at the pressure connector. The refrigeration device is used for storing food.

The invention provides a solar photo-thermal loop heat pipe air conditioner heating system and a control method thereof, and belongs to the technical field of solar photo-thermal loop heat pipe air conditioner systems. The hardware structure of the solar photo-thermal loop heat pipe air conditioner heating system is improved; according to the technical scheme adopted for solving the technical problems, the loop heat pipes are arranged on a heat pipe side face evaporation plate, a heat pipe top face evaporation plate and a heat pipe back face condensation net frame of the air conditioner outdoor unit, and the two ends of the heat pipes on the heat pipe top face evaporation plate are connected with the heat pipes on the heat pipe side face evaporation plate and the heat pipe back face condensation net frame respectively. Meanwhile, a direct-current variable-frequency compressor is connected with the heat pipes arranged on the heat pipe side face evaporation plate, the heat pipe top face evaporation plate and the heat pipe back face condensation net rack, and heat pipe working medium one-way valves are installed at the two ends of the heat pipes on the heat pipe back face condensation net rack respectively; a loop heat pipe liquid storage capillary evaporation pipe section is mounted on the heat pipe, connected with the direct-current variable-frequency compressor, of the heat pipe side evaporation plate; the invention is applied to air-conditioning water heaters and heating machines.

A microwave heating water vapor compression system and method belong to the field of energy saving and environmental protection. The system is composed of a superheater (1), a nanotube group (3), a microwave heating device, and a gas storage device; the microwave heating device is composed of a microwave heating device shell (2) and a magnetron (4); The tube group (3) is arrayed inside the microwave heating device housing (2), the superheater (1) is connected to the inlet of the nanotube group (3), and the outlet of the nanotube group (3) is connected to the gas storage device, The gas storage device consists of one branch, or more than one gas storage branch in parallel; each gas storage branch is sequentially composed of an inlet check valve (5), a gas storage tank (7), an outlet check valve (9 )composition. The system is simple in structure, small in size and low in cost.

The invention provides a novel practical signal transmitting and receiving device of CNC (Computerized Numerical Control) equipment. The novel practical signal transmitting and receiving device structurally comprises a rotating shaft, a protective cover, an LED (Light Emitting Diode) lamp, an optical handrail plate, a disc weight, a photosensitive disc, a wireless chip and a protective case, wherein the rotating shaft is movably connected with the protective case through the protective cover; the LED lamp is arranged on the protective cover; the optical handrail plate is connected with the LEDlamp; the disc weight is fixedly connected with the rotating shaft; the photosensitive disc is movably connected with the rotating shaft; the wireless chip is arranged in the protective case. According to the novel practical signal transmitting and receiving device provided by the invention, through the arrangement of the photosensitive disc and the wireless chip, practical position signal transmitting and receiving of the CNC equipment can be realized; the photosensitive disc is directly connected with the wireless chip, position can be fed back to the photosensitive disc for direct runningwhen the CNC equipment runs, the position can be directly fed back to a controller again when the CNC equipment runs to a designated position, transmitting and receiving of the position can be realized, the volume of the novel practical signal transmitting and receiving device cannot be greatly changed, and the running problem of a shaft cannot be interrupted when the novel practical signal transmitting and receiving device is applied to the CNC equipment.