426results about How to "Easy to mass manufacture" patented technology

The invention relates to a crossed three-dimensional torpedo interception net capable of intercepting torpedoes, especially a torpedo interception net which can be projected or cast and can outspread automatically when entering into the water to form a decussate three-dimensional torpedo interception net. The appearance is column-shaped, a top cover is arranged at the top part and is fixed and sleeved by bayonet locks on the casing which is divided into four sections, the specific density of the top part is lighter than the seawater and the specific density of the bottom part is heavier than the seawater. A decussate bracket is arranged inside, a telescopic link is connected on the lateral side, and a suspended net is connected with the telescopic link via a hanger. When the torpedo interception net is projected or cast into sea via a surface ship, a submarine or a helicopter, the top cover is ejected via a spring, the casing is opened, a going barren dives the telescopic link to expand and the suspended net is dragged to outspread in horizontally. Under the upward pulling force of the telescopic link and the downward pulling force of the weight of the connector of the suspended net, the suspended net is outspreaded along vertical direction; a stabilization membrane connected with the inner side of the suspended net control the stability of the torpedo interception net along the vertical direction.

The invention discloses a flexible film type solid state super capacitor and a method for manufacturing the same; the flexible film type solid state super capacitor comprises a positive electrode, a negative electrode, an outer electrode and an encapsulation film, wherein a flexibility solid state electrolyte membrane is arranged between the positive and the negative electrodes. The manufacturing method is as follows: the outer electrode pasting, the electrode pasting, the flexibility solid state electrolyte pasting, the electrode pasting, the outer electrode pasting and the encapsulation pasting are orderly and precisely coated on a basal body by the printing technique; by fitting the corresponding pressing, drying, cutting and packaging techniques, the flexible film type solid state super capacitor with electrode-membrane-electrode structure is finally formed. The flexible film type solid state super capacitor has the advantages of low product internal resistance and good power characteristic, and is suitable for the large scale production and particularly applied to flexible electric products such as electric papers, intelligent name cards and plastics electric products, etc.

The invention discloses an empty micropin array chip which comprises a substrate and an empty micropin, wherein the empty micropin comprises a pin head and a pin rod, the empty micropin is fixed on the substrate through the pin rod and is inclined to the substrate at a certain angle, the pin head is provided with an oval-shaped annular plane, one end of the pin head is a pinpoint, one part of the oval-shaped annular plane is embedded into the substrate, the pin rod is an empty circular pipe which is embedded into the substrate or is penetrated through the substrate, the bottom of the pin rod is parallel with the lower surface of the substrate or is convex or concave, and the empty micropin penetrates through the two sides of the substrate to be formed into the hole-shaped micropin or the bottom of the pin rod is sealed to be formed into a blind hole type micropin. The empty micropin array chip is firm in structure, sharp in pinpoint, convenient in puncture, low in cost, high in yield, and suitable for manufacture in bulk. The micropin in the array has good consistency, is free of pain feel and blooding when in use, and is safe and reliable since the minimally-invasive skin can fast heal after in use.

The invention relates to a simple, high-efficiency and reliable cold-warm air-conditioning water heater, which comprises a refrigerant loop, a hot-water condensing heat exchanger, a hot-water storing box and a signal acquisition and circuit control system. A scheme I of the invention is characterized in that: an exhaust opening of a compressor is connected with an air inlet of a three-way valve; a first air outlet of the three-way valve is connected with a refrigerant inlet of the hot-water condensing heat exchanger, and a second air outlet is connected and communicated with a first interfaceof a four-way valve and a refrigerant outlet of the hot-water condensing heat exchanger; a second interface, a third interface and a fourth interface of the four-way valve are respectively connected with the upper ports of an outdoor-wind heat exchanger and an indoor-wind heat exchanger and an air inlet of an air-liquid separator, and a capillary is connected in series between the lower ports of the outdoor-wind heat exchanger and the indoor-wind heat exchanger; an air outlet of the air-liquid separator is connected with an air inlet of the compressor; and an electromagnetic guide-valve low-voltage air-outlet pipe of the three-way valve is communicated with an air-sucking pipe of the compressor, and an electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with an exhaust pipe of the compressor. A scheme II of the invention is characterized in that: the hot-water condensing heat exchanger is added between the exhaust opening of the compressor of a refrigerant-circulating loop of a cold and warm air conditioner and an air inlet of the four-way valve, and the electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with the exhaust pipe of the compressor; and the two technical schemes both have four functions of hot-water making and refrigerating, hot-water making, refrigerating and heating.

The invention belongs to the technical fields of inorganic material chemistry and new energy, and discloses a method for preparing porous carbon spheres doped with nitrogen and phosphorus and an application. Water serves as a solvent, polyphosphazenes microspheres and activating agents are mixed in a mass ratio of (0.2-2):1, concentration of the polyphosphazenes microspheres is maintained at a level of 10-30wt%, stirring is performed completely, the mixture of the polyphosphazenes microspheres and the activating agents is obtained through centrifugal separation, the mixture of the polyphosphazenes microspheres and the activating agents is subjected to carbonization, and finally the porous carbon spheres doped with the nitrogen and the phosphorus are obtained. The activating agents are potassium hydroxide, sodium hydroxide, calcium chloride or zinc chloride. The polyphosphazenes microspheres serve as a carbon precursor in the method, are synthesized directly under the room temperature condition, and has a simple art process and high productivity. Simultaneously, the activating agents are used for processing polyphosphazenes so as to improve specific surface areas and pore structures of the porous carbon spheres greatly and be beneficial to improve hydrogen storage capacity.

The invention relates to a high-power dual-port output silicon-based tunable external cavity laser. A hybrid integration scheme is adopted, a low-cost low-loss silicon-based microring waveguide chip is used as an external cavity medium wavelength adjustment unit, end surface coupling with an III-V group reflective semiconductor gain tube core is realized through two collimating lenses, the structure is simple, the complex process limitations of a monolithic integrated semiconductor laser are overcome, no moving part exists in the external cavity, and the reliability and the stability can be effectively improved. Through optimal design of the silicon-based microring waveguide chip structure, the nonlinear optical effect generation probability of laser in a silicon-based waveguide microring resonator is greatly reduced, and the maximum optical power which is allowed to be outputted by the laser of the structure is improved. Due to addition of a band pass filter in the external cavity collimating light path, technical requirements on the silicon-based microring waveguide chip can be effectively reduced, the coupling packaging efficiency can be improved, and low-cost batch production is facilitated.

The invention discloses a micro-nanostructure controlled copper-based superhydrophobic surface and a preparation method and application thereof. The copper-based superhydrophobic surface comprises micro structure arrays and nanowires, wherein center spacing of the micro structure arrays is 10 to 500[mu]m, the height of each micro structure array is 5 to 500[mu]m; the nanowires have the diameter of 40 to 200nm, the length of 2 to 50[mu]m and average spacing of 0.1 to 3[mu]m; and the nanowires grow in parallel to the direction of a local normal of the copper-based superhydrophobic surface and has the ingredient being copper oxide. The copper-based superhydrophobic surface can implement liquid droplet bouncing heat exchange of water vapor condensation and can also promote classical droplet condensation so as to reinforce heat exchange. Moreover, the micro-nanostructure controlled copper-based superhydrophobic surface can also be used for the fields of self-cleaning, corrosion resistance, ice prevention, frosting resistance and the like.

The invention discloses a thermocouple insulation locator, a mounting method of the locator and a wall temperature measuring device. The thermocouple insulation locator comprises a self-tightness locating bolt fixed to a thermal coupler, a locating nut connected to the self-tightness locating bolt, a first insulation casing pipe, a second insulation casing pipe, a locating guide pipe and a pushing and pressing nut, wherein the first insulation casing pipe and the second insulation casing pipe are arranged on the two sides of the self-tightness locating bolt and are arranged on the thermal coupler in a sleeved mode, the first insulation casing pipe is sleeved with the locating guide pipe, and the pushing and pressing nut is arranged on the second insulation casing pipe in a sleeved mode and is in threaded connection with the rear end of the locating guide pipe. An end cover is arranged at the rear end of the pushing and pressing nut, and insulation blocking pieces are arranged between the self-tightness locating bolt and the two insulation casing pipes, a pushing and pressing spring is arranged between the insulation blocking piece at the rear end of the self-tightness locating bolt and the end cover arranged at the rear end of the self-tightness locating bolt in a sleeved mode, and the second insulation casing pipe is sleeved with the pushing and pressing spring. According to the thermocouple insulation locator, the thermal coupler can be precisely located to the measuring point, it is ensured that the thermal coupler is insulated from other components except a measured device, and small vibration and migration of the measured device in the channel direction of the thermal coupler can be borne.

The invention relates to a thermo-optical infrared detector and a preparation method thereof, and is characterized in that the infrared detector consists of a silicon substrate, a pixel array arranged on the silicon substrate and a glass bonded with the silicon substrate; alternatively, the infrared detector consists of a silicon substrate, a pixel array arranged on the silicon substrate, a glass bonded with the silicon substrate and an infrared filter bonded with the silicon substrate. In the TO-IRD, a special heat-insulation structure and a process design are used for preparing a heat insulation column with high height standing on the silicon substrate, thus improving the heat insulation performance of the TO-IRD; in a pixel film system, by designing and preparing a special infrared absorbing layer, the absorption rate of the TO-IRD to the infrared radiation is improved; furthermore, the modulation function of the TO-IRD to the readout beam is not affected; and the vacuum encapsulation of the device is realized by the bonding of silicon glass or bonding of infrared filter in vacuum.

The invention relates to the field of functional surface preparation technology, and particularly relates to a capillary forming method for a preparing super oleophobic surface. The capillary forming method is suitable for preparation of a polymer super oleophobic surface, particularly suitable for the preparation of the super oleophobic surface under a simple condition. A pre-prepared micro-nano structure surface is employed as a template by the method; the template is put on a smooth and flat substrate which is coated by a liquid state polymer film; the template is separated 5-50 [mu]m from the substrate after contact with the separate speed ranging from 0.1 [mu]m/s to 5 [mu]m/s; the liquid state polymer is aggregated in a gap between the micro-nano structure and the substrate under the action of a capillary force; and at the time, the liquid state polymer is cured, so that a preparation of a secondary groove structure. Equipment required by the method is simple, preparation of the super oleophobic surface can be realized under a simple condition, preparation cost is low, and batch preparation can be easily realized.

The invention relates to a gradient electrode for flow batteries. The gradient electrode is formed by: stacking at least two layers of graphite fiber or carbon fiber felt with different bulk densities in an order from low bulk density to high bulk density, and making the materials into a whole by longitudinal needling perpendicular to an electrode surface. The electrode can effectively reduce the resistance of the electrode body, and lower the flow resistance of an electrolyte solution and provide more reaction sites, thus finally reducing ohmic polarization, electrochemical polarization and concentration polarization of flow batteries. The gradient electrode provided by the invention improves the energy efficiency and voltage efficiency of flow batteries so as to improve the working current density, thus greatly reducing the weight, volume and cost of batteries with similar output power.

The magnetic induction angular shift sensor for detecting rotating, inclined and vertical angular shift consists of permanent magnet, and magnetic induction sensor fixed to the frame. The permanent magnet has one axial end plane inclined to the rotating shaft and produces magnetic field, and with the coaxial rotation of the magnetic induction sensor relative to the permanent magnet, the distance between the axial end plane and the magnetic induction sensor changes gradually and the sensing area of the magnetic induction sensor senses gradually changed magnetic field representing the detected angular shift. The present invention has higher sensitivity when the rotating shaft, permanent magnet, etc. is regulated.

The invention discloses a method of producing graphene by stripping graphite via time-space-synchronous ultrasonic treatment and a ball-milling process. The method includes the steps of: adding a graphite raw material and a stripping reagent into an ultrasonic ball milling device and performing ball milling for 2-96 h under an ultrasonic environment; and separating, washing and drying the mixtureto obtain graphene powder. Through the time-space-synchronous ultrasonic treatment and the ball-milling process, the graphite is stripped; due to the synergistic effect of the two methods, interlayerin-situ expansion of the graphite is formed and meanwhile a strong shear force is applied to the graphite during ball milling. The method is high in efficiency and yield and is suitable for large-scale production of graphene.

The invention provides preparation of an array-structure transition metal selenide electrode and application of the array-structure transition metal selenide electrode to electrolyzed water and belongs to the technical field of electrodes. The preparation comprises the following steps: step 1, optimizing a nickel sheet (NF) substrate through simple pre-treatment; step 2, uniformly forming a metalorganic framework material (Mn/Fe/Co/Ni/Cu-MOF) nano-array on the surface of the nickel sheet substrate in situ, so as to obtain an NF-MOFs material; step 3, carrying out selenation on the surface ofan MOFs nano-array in situ to finally prepare an NF-MxSey nano-array electrode material. The NF-MxSey is used as an electrolyzed water electrode, has a relatively low starting site, relatively large current density, excellent electro-catalytic water decomposition performance and relatively high stability, and can be applied to new energy source storage and conversion devices for the electrolyzed water and the like.

A microfluidic chip with a rotary valve structure includes a valve core, a substrate and a base plate, one surface of the substrate is attached to the base plate, the other surface of the substrate is provided with a valve chamber and a flow passage, the valve chamber is provided with at least two valve chamber through holes, each valve chamber through hole is respectively connected with the flow passage, the substrate is also provided with an inlet and an outlet respectively connected the flow passage, the valve core comprises a sealing layer and a support layer, the sealing layer is arranged in the valve chamber, the support layer is arranged on the sealing layer, the sealing layer is provided with a switching channel; and the support layer rotates to drive the rotation of the sealing layer for communication of the switching channel with the at least two valve chamber through holes. Free conversion and opening and closing of different flow paths can be realized only by use of one valve core, the control requirements of various flow paths can be met, production efficiency is improved; the control of the flow paths can be realized only by rotating of the valve core, and the control method is simple and efficient.

The invention discloses a reductively biodegradable type honeycomb polyurethane support, and a preparation method and application thereof. The preparation method comprises: taking 2,2'-dithiodiethanol as an initiator, employing a ring-opening polymerization method to synthesize double-hydroxy-terminated polycaprolactone containing disulfide bonds; reacting with diisocyanate containing a disulfide bond to form polyester type polyurethane containing disulfide bonds; then dipping a biological template wisteria sinensis with a sodium chloride solution and calcining to obtain a negative template porous sodium chloride of wisteria sinensis; and finally immersing the negative template porous sodium chloride of wisteria sinensis with a waterless organic solution of the polyester type polyurethane containing disulfide bonds, drying and removing the negative template to obtain the honeycomb polyurethane support, wherein the molecular structural formula of the polyurethane is shown in the description. The reductively biodegradable type honeycomb polyurethane support has the advantages of simple technology, easy batch preparation, and strong biodegradation controllability; and the honeycomb structure is beneficial to transportation of substances inside or outside the support, the support can be used as a porous support for tissue regeneration repair, and belongs to a tissue engineering support material with excellent comprehensive performances.

The invention relates to the technical field of production of functional surfaces, in particular to a gas-assisted forming method for producing an ultra-oleophobic surface, which is applicable to production of the ultra-oleophobic surface of a polymer, in particular to production of the ultra-oleophobic surface under a simple condition. The gas-assisted forming method for producing the ultra-oleophobic surface comprises the following steps: putting a liquid polymer into a container; covering a porous template on the surface of the liquid polymer, and fixing the position of the porous template so as to expose a part of the surface of the liquid polymer; sending the container into a vacuum drying box, vacuumizing, and expanding air confined between the liquid polymer and template pores under the action of pressure difference to form a spherical crown-shaped pore array; and curing the polymer so as to produce a secondary groove structure. Less equipment is required in the two-step forming method; by the two-step forming method, the ultra-oleophobic surface can be produced under the simple condition; the production cost is low; and batch production is easy.

The invention belongs to the technical field of nanometer material chemistry and electrochemistry, and particularly discloses nitrogen-doped porous defective carbon nanometer fiber mesh and a preparing method and application thereof. A nitrogen source, a surfactant and a phosphorus source are added to water to be heated and stirred to form suspension liquid; the nitrogen source is melamine or urea, the surfactant is P123, F108, F127 or polyethylene glycol 2000, and the phosphorus source is triphenylphosphine or phytic acid; the obtained suspension liquid is dried; an obtained dried product isheated to 500-1150 DEG C under the inert atmosphere, carbonized for 120-360 min and then naturally cooled to the room temperature, and the obtained black blocky product is the nitrogen-doped porous defective carbon nanometer fiber mesh. The nitrogen-doped porous defective carbon nanometer fiber mesh is applied as an electrode material in electrochemical oxygen reduction and/or oxygen evolution. The nitrogen-doped porous defective carbon nanometer fiber mesh can remarkably improve the oxygen reduction (ORR) and oxygen evolution (OER) performance of a catalyst.

The invention discloses a wide-range optical fiber vacuum sensor with multiple steps and a manufacturing method of the wide-range optical fiber vacuum sensor with the multiple steps. The wide-range optical fiber vacuum sensor comprises a sensor head, a sensor body, a transmission optical fiber, a supporting structure of the sensor and an accommodating structure of the transmission optical fiber. The sensor head is a stepped optical fiber vacuum sensor head and provided with a dual-layer structure with SiO2 oxide layer steps. The first layer structure is a monocrystalline silicon wafer, the second layer structure is a Pyrex glass wafer, a two-level stepped round shallow pit array is arranged on the front surface of the Pyres glass wafer, the Pyres glass wafer is divided into single sensor units, wherein the surfaces of the sensor units are squares or other polygons, and the round shallow pit array comprises a first round shallow pit step and a second round shallow pit step. The wide-range optical fiber vacuum sensor achieves high precision pressure measurement in a vacuum region, can survive in a constant pressure range without other packaging measures, can be used for high precision measurement in the constant pressure range, can effectively expand the high precision pressure measurement range of the sensor, and is convenient to manufacture in a massive mode.