189results about How to "Disperse in time" patented technology

The invention discloses an environmental ceramic base friction material free of copper or metal and a preparation method of the material. The environmental ceramic base friction material is characterized by comprising the following components by weight percent: 6-12% of phenolic resin, 2-10% of ceramic fiber, 2-8% of inorganic fiber, 2-10% of rubber, 4-12% of graphite, 10-25% of potassium titanate lamella, 3-15% of mineral fiber, 4-20% of metal sulfur compound, 6-20% of grinding aid and 5-20% of filler. The prepared friction material has excellent friction and wear properties, high heat-conducting property, excellent high-temperature decline property, stable friction coefficient, and excellent noise performance.

The dispersed tablet of proton pump inhibitor is used for treating gastric ulcer, duodenal ulcer, stomal ulcer and other indications. It contains at least one kind of proton pump inhibitor and at least one kind of biologically acceptable buffering agent in the weight ratio of 1 to 10-200. The proton pump inhibitor is one selected from omeprazole, S-omeprazole, pantoprazole, lansoprazole, rabeprazole, leminoprazole, tenatoprazole and their salts. The biologically acceptable buffering agent is sodium bicarbonate, sodium carbonate, magnesium carbonate, etc or their mixture.

The invention relates to an LED backlight integrating encapsulation structure and encapsulation method. The encapsulation structure comprises a substrate (1) and a reflecting layer (6) arranged on the substrate (1), wherein a light-guiding diffusion plate (7) and a prism plate (8) are arranged on the substrate (1) successively provided with the reflecting layer (6) from bottom to up. The encapsulation structure is characterized in that LED blue dies are arranged on the substrate (1) in an array mode. The encapsulation method comprises the following steps: embedding the LED blue dies, coating solder paste on high conductivity substrate material, bonding dies through reflow soldering, fixing the LED blue dies on the substrate, and adopting ultrasonic wire bonding technology to connect the LED and a circuit board. The LED blue dies are covered with yellow fluorescent powder and epoxy resin and the reflecting layer is plated on the heat-conducting substrate so that the luminous efficiency and heat dissipation effect of the LED are increased and the rays are parallel and uniform. The encapsulation method is used to reduce power consumption, increase luminous efficiency, prolong the life of the device and save energy. The volume of the encapsulation structure is reduced and the backplane becomes lighter and thinner.

The invention relates to a purification adsorbent for removing impurities in polymerized olefin materials prepared from coal through methyl alcohol. The purification adsorbent for hydrocarbon impurities is prepared from, by weight, 20%-59.5% of molecular sieves, 0.5%-1% of metallic oxide and 40%-64% of activated aluminum oxide, wherein the molecular sieves are composite molecular sieves, and are prepared in the mode that an SAPO molecular sieve or SSZ molecular sieve and one or more of a A-type molecular sieve, X-type molecular sieve and Y-type molecular sieve are mixed. Compared with the prior art, the adsorbent prepared with the method is high in particle mechanical strength, small in dust and low in adsorption heat effect, has the deep adsorption function, and can be used for removing impurities such as water, carbon dioxide, hydrogen sulfide, methyl alcohol, ethyl alcohol, formaldehyde, acetaldehyde, mercaptan and dimethyl ether in the polymerized olefin materials prepared from the coal through the methyl alcohol.

The invention discloses an unmanned aerial vehicle, a battery module and a charge-discharge control method. The battery module comprises a battery body, an outer case, a heat conducting assembly, a first heating piece, a second heating piece, a temperature sensor and a control assembly, wherein the battery body is arranged in the outer case; the heat conducting assembly is connected between the outer case and the battery body in a heat conducting manner; the first heating piece is used for heating the battery body; the second heating piece is used for heating the heat conducting assembly; the temperature sensor is used for detecting temperature of the battery body and producing a temperature signal according to the detected temperature of the battery body; the control assembly is electrically connected with the first heating piece, the second heating piece and the temperature sensor and used for receiving the temperature signal and controlling the first heating piece and the second heating piece according to the temperature signal. According to the battery module, normal charge and discharge of the battery module can be guaranteed, charge-discharge performance of the battery module can be improved, and heat produced by the battery body can be dissipated effectively and rapidly in time.

The invention discloses an embedded-copper-block printed circuit board, comprising a top wire layer, a prepreg layer and a bottom wire layer which are arranged in sequence; the bottom wire layer is provided with a receiving cavity; a radiating copper block is arranged in the receiving cavity; the top wire layer is provided with blind holes; the bottoms of the blind holes are connected with the radiating copper block. The radiating copper block is embedded in the circuit board, the top wire layer is connected with the radiating copper block via the blind holes, and a device may be welded directly to the laser blind holes and the radiating copper block such that a radiating substrate has greatly improved radiating and heat-conducting effects; the printed circuit board is applicable to heat dissipation for high-power devices; the printed circuit board is connected with the radiating copper block via the blind holes so that heat of the high-power devices may be dissipated in time, and thestability and reliability of the high-power devices are improved. The invention also discloses a method of manufacturing the embedded-copper-block printed circuit board. The manufacturing method is simple, the conditions are mild, and the manufactured printed circuit board has good radiating effect and good structural stability and rarely cracks.

The invention provides a metal wire polishing wheel. The metal wire polishing wheel comprises an upper clamping plate and a lower clamping plate. A plurality of metal wire beams are installed between the edge parts of the upper clamping plate and the lower clamping plate in a central symmetrical mode. A fastener is installed between through holes of the upper clamping plate and the lower clamping plate. A longitudinal installation hole is formed in the middle of the fastener and internally provided with an internal thread. Both the upper clamping plate and the lower clamping plate are divided into the annular sunk parts in the middles and the annular protruding parts at the edges. The annular protruding part of the upper clamping plate and the annular protruding part of the lower clamping plate are symmetrical and form an annular installation groove of the metal wire beams. The metal wire beams are formed by twisting a plurality of metal wires made from an aluminum alloy composite material. The aluminum alloy composite material comprises an aluminum alloy substrate and a ceramic layer arranged on the surface of the aluminum alloy substrate through laser cladding. The metal wire polishing wheel is compact and firm in structure, convenient to install and use and good in thermal conductivity, heat dispersion, mechanical property and usability.

The invention discloses a flowing boiling micro-miniature heat exchanger, which comprises a heat exchanger casing, a heat exchange structure passage, an inlet passage and an outlet passage, wherein the heat exchange structure passage is arranged in the heat exchanger casing; and the inlet passage and the outlet passage are arranged at the two ends of the heat exchange structure passage. The flowing boiling micro-miniature heat exchanger is characterized in that the inlet passage consists of a condensing medium input opening, a flow storage pool and an inlet flow division passage; the flow storage pool is connected between the condensing medium input opening and the inlet flow division passage; the outlet passage consists of a condensing medium output opening and an outlet flow division passage; a micro rib column group and support columns are arranged in the heat exchange structure passage; the micro rib column group consists of micro rib columns; the cross section dimension of the micro rib columns conforms to the fractal Brownian motion features; the micro rib columns are in planar distribution; the height of the micro rib columns meets the normal distribution; and the support columns are distributed in the center of the micro rib column group in an array mode. The flowing boiling micro-miniature heat exchanger has the advantages that the heat transfer efficiency is high; the flowing resistance loss is small; the surface temperature of the heat exchanger is uniform; the work is stable; and the service life is long.

The invention provides a mixed storage backup method and system based on an HDD and an SSD, and relates to the technical field of computer application. The method includes the following steps that linear address space of the single HDD or multiple HDDs is divided into a plurality of parts, each part comprises a data section and an idle section, and if a writing request reaches, data are written into the corresponding data section according to a preset strategy through the HDD. According to the mixed storage backup method and system, the data on the SSD can be backed up in time through the HDD, and the mixture structure achieves reliable storage system data backup which is low in price and high in performance.

The invention provides food producing equipment. The equipment comprises a casing, a food producing chamber arranged in the casing and an air inducing device arranged on the outer side of the upper side of the food producing chamber, wherein the air inducing device comprises an air inducing hood and an air inducing device, an air inducing port is formed in the top of the air inducing cover, and the air inducing device forces air to penetrate through the air inducing port to flow into the air inducing hood; an upper air inlet is arranged at the top of the casing, and air flows into the casing from the upper air inlet and penetrates through the air inducing port to flow into the air inducing hood to form main cooling airflow; the casing comprises side walls and a bottom wall, and an interlayer is arranged between each side wall and the food producing chamber; a lower air inlet is arranged on the bottom wall, and air flows into the interlayer from the lower air inlet, flows upwards slowlyalong the interlayer and penetrates through the air inducing port to flow into the air inducing hood to form auxiliary cooling airflow. The equipment can effectively discharge harmful heat in the casing and reduces the discharge rate of heat in the food producing chamber.

The invention relates to an air guiding cover which comprises a top wall, two side walls and a shielding component, wherein the two side walls are connected at the two sides of the top wall, and the shielding component is arranged on the top wall. A ventilating duct through which air current passes is surrounded by the top wall and the two side walls. The air guiding cover comprises an air inlet, a first air outlet and a second air outlet, wherein the air inlet and the first air outlet are arranged at the two opposite ends of the ventilating duct; and the second air outlet is arranged on the top wall and is opposite to the air inlet. The shielding component is used for selectively shielding or opening the second air outlet. When the shielding component is opened by using the shielding component, air current flowing into the air inlet flows towards one end of the air guiding cover far away from the air inlet from the first air outlet and the second air outlet. The invention also relates to a heat dissipation system with the air guiding cover.

The invention discloses a full-automatic laser carving machine for straps. The full-automatic laser carving machine for the straps comprises a machine body, a carving head, an X shaft and a feeding mechanism. The feeding mechanism is arranged on the machine body and comprises a bottom plate, a guide plate, a driving feeding shaft, a driven feeding shaft and a driving portion, wherein the guide plate is perpendicularly arranged on the bottom plate which is connected with the machine body, the driving feeding shaft and the driven feeding shaft are abreast mounted at the front end of the guide plate vertically, and the driving portion is in transmission connection with the driving feeding shaft. The guide plate is provided with a feeding port, the back of the guide plate is provided with a plurality of conveniently-adjustable guide limiting positions at the feeding port, and a guide port is formed between each two guide limiting positions. The driving feeding shaft is provided with a limiting outlet in the feeding direction, a supporting bar for auxiliary supporting of materials is arranged at the front end of the limiting outlet, and the carving head is arranged above a gap position between the limiting outlet and the supporting bar. The full-automatic laser carving machine for the straps has the advantages of simplicity in operation, high in jumping speed and acceleration, improvement of machining precision, guarantee of product yield, reduction of consumption, improvement of production efficiency and saving of manpower and material resources.

The invention discloses a support base for an industrial robot. The support base comprises a base, a supporting seat and a top seat, wherein waist-shaped holes are formed in the two sides and two endsof the outer bottom end of the base, pressing plates are installed at the top end of the base through bolted connection, and a controller is installed on one side of the outer wall of the base through bolted connection; and shock absorbing springs are installed at the bottom end of interior of the base, the supporting seat is installed at the other ends of the shock absorbing springs, heat dissipation boxes are installed on the outer wall of the supporting seat, heat dissipation fans are installed in the heat dissipation boxes, and a motor is installed at the bottom end of the interior of thesupporting seat through bolted connection. According to the support base for the industrial robot, a driving gear is installed at the output end of the bidirectional motor, the top seat is installedat the top end of the inner wall of the supporting seat through bearings, mounting holes are formed in the top seat, a gear groove is formed in the middle of the bottom end of the top seat, and the gear groove and the driving gear are matched with each other, and thus the advantages that the industrial robot can rotate freely and is convenient to operate in different directions are realized.

The invention discloses an Internet of Things function detection device for an Internet of Things household appliance. The material net detector comprises a material net detector body, a bottom plate and a central processing system, protective plates are fixedly connected to the two sides of the top of the bottom plate; a fixing plate is fixedly connected between the opposite sides of the protection plates; the top of the fixing plate is fixedly connected with a heat conducting plate; the top of the heat conduction plate is fixedly connected with the bottom of the Internet of Things detector body, the bottom of the fixing plate is fixedly connected with a fixing frame, the bottom of the fixing frame is fixedly connected with cooling fins, and the bottom of the inner wall of the fixing frame is fixedly connected with a refrigerator. According to the Internet of Things function detection device for the Internet of Things household electrical appliance, heat generated by the Internet of Things detector during working can be dissipated in time, meanwhile, certain resources are saved through cyclic utilization of heat conduction oil, certain economic cost is reduced, and follow-up household electrical appliance detection work can be normally carried out.

The invention provides a heavy oil suspended bed hydrogenation method under a near clinical water condition. The method comprises the following steps of: making a mixture of heavy oil raw materials and water contacted with a hydrogenation catalyst in the presence of hydrogen gas to perform a hydrogenated reaction, wherein the reaction temperature is between 300 and 450 DEG C, and the reaction pressure is 6 to 20 MPa; and separating the reaction products to obtain the liquid distillates. In the method, the special action of the near clinical water integrates the hydrogenation characteristics of the catalyst, and on a basis of keeping a higher residue-to-oil conversion rate, the coke formation is inhibited to a maximum degree, and the yield of light oil is improved.

The invention discloses a safety composite type brake drum with a rapid heat dissipation and anti-burst. The safety composite type brake drum with the rapid heat dissipation and anti-burst comprises a brake drum shell. The brake drum shell is provided with an inner cavity. The brake drum shell comprises a main body part, a connecting part and an installing part, wherein the main body part, the connecting part and the installing part are sequentially connected in an integrated mode. Multiple reinforcing ribs are arranged at intervals on the outer ring wall surface of the main body part in an outward protruding mode. Each reinforcing rib extends in the axial direction, and each reinforcing rib is provided with a wind-proof surface. Air inlets are formed in the joints of the wind-proof surfaces and the outer ring wall surface of the main body part, and the connecting part is provided with air outlets. Accordingly, on one hand, the reinforcing ribs have the structural strengthening effect on safety composite type brake drum, on the other hand, the heat dissipation area is increased, and the heat dissipation effect is improved. Meanwhile, the wind-proof effect can be achieved, air can be driven to form airflow, the airflow flows into the inner cavity, and the heat in the inner cavity is driven out from the air outlets by utilizing the airflow. Therefore the timely heat dissipation or discharge can be achieved, the brake performance of the brake drum can be guaranteed, the burst phenomenon of the brake drum can be prevented, the service life of a product is prolonged, and the potential danger is prevented.

The invention relates to a self-lubricating bearing technique, and in particular to a laser microtexturing self-lubricating method for a variable-pitch/yaw bearing in a wind turbine generator system.Laser microtexturing is carried out on the inner raceway surface of an outer ring, the outer raceway surface of an inner ring and the surfaces of balls in the bearing, a die hot-pressing solidification filling method is utilized to fill a solid lubricating material to form a self-lubricating structure, so that the initial roughness between the balls, the inner raceway and the outer raceway in thebearing, and thereby the service life of the wind turbine generator system can be effectively prolonged.