89results about How to "Improve processing convenience" patented technology

The invention discloses a preparation method of an LED light source and a preparation method of an LED light-emitting module. The preparation method of the LED light source comprises the following steps: bonding an LED chip on a PET film or a PTFE film with UV adhesive on the surface, and carrying out ultraviolet irradiation for initial curing; preparing an insulation rubber layer on the LED chip; then preparing a fluorescent colloid layer; using UV light to irradiate the PET film or the PTFE film to enable the UV adhesive on the surface to lose viscidity, and taking down the LED chip after encapsulation to obtain the LED light source. The LED light sources are arranged in a series-parallel connection mode, and are welded on a base plate, so that the LED light-emitting module is obtained. According to the preparation methods, in the aspect of material composition, supports and money are saved, the reliability is improved while the cost is reduced, the material cost can be reduced, the light-emitting angle is increased, the processing convenience is increased, and the production link is simplified. The position of fluorescent powder is far away from the chip through the insulation rubber layer, so that the thermal quenching and thermal efficiency of the fluorescent powder are reduced, and the lighting effect and long-term lumen maintenance are improved.

The invention belongs to the field of vacuum thermal-insulation plates, and particularly relates to a vacuum thermal-insulation plate core material for building. In the prior art, the existing core material does not have excellent pressure-resistant stability and excellent thermal-insulation stability, and has disadvantages of high heat thermal conductivity, high cost and difficult processing, and the heat inertness and the thermal insulation do not meet the stringent requirements. A purpose of the present invention is to solve the problems in the prior art. The technical scheme of the present invention is that the raw materials comprise, by weight, 20-25 parts of stone wool fibers, 18-22 parts of glass fibers, 23-26 parts of mineral wool, 22-26 parts of silicon dioxide, 14-18 parts of calcium chloride hexahydrate, 8-12 parts of quicklime, 6-9 parts of acrylic acid, 7-11 parts of polyvinyl alcohol, 4-8 parts of potassium bisulfite, 13-16 parts of bentonite, 11-14 parts of quartz sand, 9-13 parts of magnesium oxide, 5-8 parts of zinc oxide, and 30-35 parts of deionized water. The preparation method comprises: S1, adding acrylic acid and deionized water to a reaction kettle. According to the present invention, the vacuum thermal-insulation plate core material has advantages of excellent pressure-resistant stability, excellent thermal-insulation stability, low thermal conductivity, high hardness, excellent heat inertness, excellent heat insulation effect, low production cost, and convenient processing.

The invention discloses a polycarbonate / polyethylene alloy conductive composite material and a preparation method thereof. The polycarbonate / polyethylene alloy conductive composite material comprises the following components by weight part: 50-80 parts of polycarbonate, 10-30 parts of polyethylene resin, 6-12 parts of conductive carbon black and 2-6 part of compatibilizer. The preparation method comprises the following steps: uniformly mixing the polyethylene resin, the conductive carbon black, heat stabilizers and processing aids in a high-speed mixer, and then entering a co-rotating twin screw extruder to be melted and granulated by extrusion at a temperature of 190 DEG C and 220 DEG C; and after being uniformly mixed, the polycarbonate, the compatibilizer and the conductive polyethylene substrate are directly injected by an injection molding machine to finally obtain the product. The whole composite material of the invention has greatly reduced filling percolation value of the conductive carbon black, and has excellent overall performance. The preparation method has improved processing convenience and reduced production cost.

The present invention provides a semiconductor structure, including a substrate having a first fin structure and a second fin structure disposed thereon, a first isolation region located between the first fin structure and the second fin structure, a second isolation region located opposite the first fin structure from the first isolation region, and at least an epitaxial layer disposed on the side of the first fin structure and the second fin structure. The epitaxial layer has a bottom surface, the bottom surface extending from the first fin structure to the second fin structure, and the bottom surface is lower than a bottom surface of the first isolation region and a top surface of the second isolation region.

A lamp includes a heat conducting member, a light-emitting module, a housing and a cooling fan. The heat conducting member has a first face and a second face opposite to the first face. The light-emitting module is coupled with the first face. The housing is coupled with the heat conducting member and has a terminal opening, wherein first and second air-guiding openings are formed between the terminal opening and the heat conducting member. The housing has an inner circumferential wall. An air-flowing room is formed between the inner circumferential wall and the second face. The air-flowing room communicates with the first air-guiding opening and the second air-guiding opening. The cooling fan is disposed at the first or second air-guiding opening. Via the above structure, cooling effect can be improved, assembly convenience, dedusting convenience, and processing convenience are improved, manufacture cost is reduced and service lifetime of the lamp is improved.

The invention relates to a polylactic acid film material for small packaging of traditional Chinese medicine decoction pieces and a preparation method of the polylactic acid film material. The polylactic acid film material is mainly prepared from the following raw materials in parts by weight: 80 parts of polylactic acid, 4.0-5.0 parts of poly succinic acid-butanediol ester, 10-12 parts of polycaprolactone, 4.0-5.0 parts of epoxidized soybean oil, 0.40-0.50 part of nano SiO2, 0.45-0.55 part of nano ZnO, 0.45-0.55 part of nano kaolin, 0.40-0.50 part of nano TiO2, 1.0-1.2 parts of an amino silane coupling agent, 0.30-0.40 part of stearate, and 0.40-0.45 part of an antioxidant. According to the polylactic acid film material, good mechanical strength and toughness are achieved, obstructing performance on oxygen and water vapor is achieved, an addition agent is not prone to removing and dissolving out, bag making processing is easy, the polylactic acid film material is suitable for use andpopularization in the field of the small package traditional Chinese medicine decoction pieces, rapid degradation can be achieved in the environment, and the safety and reliability are achieved.

A method for laser interference lithography using a diffraction grating includes (a) forming a photoresist layer on a work substrate to which a repeated fine pattern is to be formed; (b) forming a refractive index matching material layer on the photoresist layer; (c) forming on the refractive index matching material layer a diffraction grating layer having a period of diffraction grating within the range from λ / ng to λ / n0 (λ is a wavelength of laser beam, ng is a refractive index of the diffraction grating, and n0 is a refractive index in the air or in vacuum); and (d) exposing the photoresist layer by means of mutual interference of positive and negative diffracted lights with the same absolute value by inputting a laser beam perpendicularly to the diffraction grating layer. This method allows to realize an interference pattern with higher resolution and to use a laser source with lower coherence.

The full-automatic boar semen filling machine comprises a base and a packaging bag, a shell is mounted at the top end of the base, a guide groove is formed in the top end of the shell, and a mounting plate is mounted on one side of the top of the shell; in the machining process, when a package penetrates through the space between the two grating assemblies, two shadow blocks at the top end of the packaging bag are scanned through the grating assemblies, and then the packaging bag is positioned; after positioning is completed, a third motor is matched with a third motor shaft to drive two clamping blocks to clamp the two ends of the packaging bag, then a second air cylinder pushes a movable sliding block to synchronously extrude the top end of the packaging bag inwards, at the moment, opening structures on the two sides of a feeding opening are matched, the feeding opening is temporarily expanded, and then a liquid injection pipe is conveniently inserted into the packaging bag; and the processing efficiency is improved.

The invention discloses a multipurpose mixed processing all-in-one machine which comprises an outer barrel, an inner barrel arranged inside the outer barrel, and a stirring mechanism arranged inside the inner barrel, wherein a sandwich layer is arranged between the outer barrel and the inner barrel; the outer surface of the outer barrel is connected with a material inlet, a material outlet, a water inlet and a water outlet; the stirring mechanism comprises a master shaft and a slave shaft; the outer surfaces of the master shaft and the slave shaft are connected with a helical tape and a scraper blade; shaft cavities are formed inside the master shaft and a slave shaft; inner pipes are arranged inside the shaft cavities; through holes are formed in the surfaces of the inner pipes; the end parts of the master shaft and the slave shaft are both connected with screw heads; the screw heads are communicated with the inner pipes and the shaft cavities; the end part of the main shaft is connected with a power mechanism in a matching manner; the master shaft is connected with the slave shaft in a matching manner. The multipurpose mixed processing all-in-one machine can perform processing treatment such as mixing, smashing, stirring, cooling and conveying on materials, so that the cooling efficiency during material processing is improved, and the processing quality and the processing efficiency of the materials are also improved.

The invention relates to an input pen with a function of electromagnetic induction, which comprises a pen point, a movable ferromagnetic material, a fixed ferromagnetic material, an elastic material, a shell substance and a shell, wherein one end of the movable ferromagnetic material is adjacent to the pen point; the elastic material is arranged between the movable ferromagnetic material and the fixed ferromagnetic material; the shell is fixed with the lamella object; the lamella object coats the elastic material, a part of the movable ferromagnetic material and a part of the fixed ferromagnetic material; and a coil coats the lamella object and is connected with an oscillating circuit through a lead.

A hemoglobin detecting device includes a shell component connected with a fixing part that engages with an outer side of a smart device. A processor unit, a light source, a light detection module and a transmission unit are mounted inside the shell component. The light source generates a first light beam, and the light detection module receives a second light beam that is generated when the first light beam travels through an analyte solution and is reflected. The processor unit determines whether the absorption spectrum of the analyte solution matches a target spectrum, and generates a result information according to the detection. The transmission unit transmits the result information to the smart device and displays an indication of the result. The hemoglobin detecting device provides a fast and accurate way to detect blood in a stool solution, and can be applied to and cooperate with all kinds of smart devices.

The invention relates to a novel oil filter by-pass valve mounting structure and relates to the field of oil filters. The novel oil filter by-pass valve mounting structure comprises an oil filter spiral cover and a by-pass valve arranged on the inner side of the spiral cover, wherein the oil filter spiral cover comprises at least two connecting parts arranged in the circumferential direction of the axis of the spiral cover; the by-pass valve comprises a shell and a by-pass assembly; the shell comprises a valve shell and a functional shell below the valve shell; the valve shell is provided witha first valve chamber, and the opening of the valve chamber is downwards; a plurality of support ridges are arranged on the wall face of the first valve chamber at intervals in the circumferential direction and in the first valve chamber; the by-pass assembly is arranged in the valve shell; the valve shell and the inner wall of the functional shell are combined to form a second valve chamber; anda mounting part corresponding to and detachably connected with a connecting part is arranged in the circumferential direction of the functional shell. The novel oil filter by-pass valve mounting structure is detachably connected onto the oil filter spiral cover, so that the mounting structure does not need to be discarded along with a filter element; in addition, the novel oil filter by-pass valve mounting structure has high processing convenience and maintaining convenience; and moreover, the novel oil filter by-pass valve mounting structure has high working performance. The novel oil filterby-pass valve mounting structure has the advantages of being high in structural integrity and processing convenience, convenient to detach, mount and maintain and high in machine oil leakproofness.

The invention relates to a ratchet wrench and discloses the ratchet wrench and a ratchet wrench head. The ratchet wrench comprises a ratchet base (1) and a ratchet (2). A through hole (11) used for installing the ratchet (2) is formed in the middle of the ratchet base (1); the front end and the rear end of the wall of the through hole (11) are separately provided with a front annular concave shoulder (111) and a rear annular concave shoulder (112); the bottom faces of the front annular concave shoulder (111) and the rear annular concave shoulder (112) separately form a front stepped face (131) and a rear stepped face (132); the outer surface of the ratchet (2) is provided with two snap ring grooves (22) which are internally provided with two snap rings (4); and the two snap rings (4) are separately located in the front annular concave shoulder (111) and the rear annular concave shoulder (112). According to the ratchet wrench and the ratchet wrench head, by adopting the two snap rings (4) and the stepped faces (131) matched with the two snap rings (4), limit to the ratchet (2) can be effectively achieved, an installation person can install the ratchet wrench head conveniently, and the assembly efficiency of the installation person is improved.