31results about How to "Solve the short service life" patented technology

The gas phase medium gasifying nozzle includes gasified medium inlet pipe with flange and corresponding fixed multiple flow channel spray tube with integrated nozzle, and features the equal wall thickness connection between the spray tube and the nozzle with smooth transition, the nozzle with conic outer and inner walls, and nozzle end wall thickness of 1-4 mm. The reasonable arrangement of gasifying nozzles, arced gasifying furnace top and furnace mouth structure forms the optimal flow field and temperature field matching reaching best gasifying effect with effective gas component over 95.5 % and up to 96.3 %. The present invention has prolonged gasifying nozzle life.

The invention discloses an environment-friendly concentrated solution and a preparation method thereof. The concentrated solution is prepared from the following raw materials in percentage by mass: 1.5 to 2.0 percent of sodium hydroxide, 3.5 to 5 percent of EDTA, 20 to 30 percent of castor oil potash soap, 3.5 to 5 percent of triethanolamine oleic acid soap, 1.5 to 3 percent of sodium nitrite, 2.5 to 4 percent of sodium benzoate, 0.5 to 1.5 percent of emulsifier TX-10, 0.1 to 1 percent of benzotriazole, 10 to 15 percent of glycerinum and the balance of water. According to the environment-friendly concentrated solution and the preparation method thereof, provided by the invention, the defects that the production technology process is complex, the materials are various and the odor is great in the prior art can be overcome, the production cost is reduced, the quality of the concentrated solution is improved due to the selection of the raw materials, the using amount of organic solvents in the whole formula is reduced and the demand of environment protection is met.

The invention provides a blade mate-balance method, blades and a wind driven generator. The method is applied to the wind driven generator. The wind driven generator comprises the blades of different gravity torques, weights and gravity centers. Each blade comprises a blade root position counterweight point, a blade middle position counterweight point and a blade tip position counterweight point. The method specifically comprises the steps that with the blade of the highest gravity torque as the standard, the other blades are subjected to gravity torque mate-balance by adding balancing weights on the different position counterweight points of the other blades; and after the other blades are subjected to gravity torque mate-balance, with the blade of the highest weight as the standard, mate-balance is carried out on the weights and gravity centers of the other blades. In this way, the blade mate-balance method is flexible and diverse, and the technical problem that as the gravity centers of blades shift too much, the service life of an existing wind driven generator is short can be solved.

The invention provides a production method of stock solution-colored blue nylon 6 fiber. The production method comprises the following steps: melting blue masterbatch and polyamide 6 slices according to a weight ratio of (2-4):(96-98), performing mixed extrusion, metering a melt by using a metering pump, enabling the melt to enter a spinning assembly, spraying out to form tows after passing through the spinning assembly, performing single suction, performing side blowing cooling, bundling, oiling, intertwining into a net, and then winding shaping to obtain the stock solution-colored blue nylon 6 fiber. The method has the beneficial effects as follows: through mixed extrusion after the blue masterbatch and the polyamide 6 slices are melted according to a certain ratio, the problem that in the production process of the stock solution-colored blue nylon 6 fiber, the spinning assembly has a short using cycle is solved, the production continuity of the stock solution-colored blue nylon 6 fiber is improved, and stable production of the stock solution-colored blue nylon 6 fiber is ensured; quality requirements such as few broken filaments, high breaking strength, uniform color and luster, high color fastness and the like are met.

The invention discloses a charging method, a server, a mobile terminal and a charging system, and belongs to the field of network communication. The method includes receiving a first mark and a second mark, wherein the first mark includes a characterization identification when a mobile terminal uses business and the second mark includes a mark used when the server charges the mobile terminal, confirming whether the mobile terminal is authorized to use the business according to the first mark and the second mark, and calculating business use fees of the mobile terminal according to the second mark if the mobile terminal is authorized to use the business. The problems that users need to pay the business use fees to an operator corresponding to a radius server, the fees of using 2G or 3G or 4G are paid to another operator, the use method is complex and an existing charging account is short in use period are solved. The effects that users can pay the business use fees and the fees of using the 2G or the 3G or the 4G to the same operator, and an account used for charging can be used for a long time are achieved.

The invention relates to an early warming system for passive automobile tire comprising an air pressure sensor, a temperature sensor, a signal collecting-emitting module and a power generation device; the air pressure sensor and the temperature sensor are electrically connected with the signal collecting-emitting module and the power generation device comprises a power generator, a voltage stabilizing module and a rechargeable battery. The alternate current output by the power generator is input into the rechargeable battery after going through a voltage stabilizing circuit for voltage stabilizing and filtering and the rechargeable battery and the signal collecting-emitting module are electrically connected with each other to provide electricity to the signal collecting-emitting module. In the early warming system for passive automobile tire of the invention, the mechanical energy generated by the tire movement is turned into electrical energy through the power generation device so as to realize the constant power supply to the early warming system for passive automobile tire, thus solving the problems of discontinuous power supply due to the short service life of solid battery and difficult arrangement caused by centrifugal force generated in speedy rotation of a launching box in vehicle.

A disclosed high-temperature-resistant flame-retardation slurry is characterized by comprising the following raw materials in parts by weight: 15-20 parts of unsaturated polyester resin, 6-8 parts of polyvinyl fluoride, 12-15 parts of rock wool, 6-8 parts of asbestos clay, 6-8 parts of white clay fiber, 3-5 parts of Ammonium dihydrogen phosphate, 3-5 parts of diammonium hydrogenphosphate, 0.6-0.8 part of a dispersant, 1.4-1.8 parts of zinc oxide, 2-3 parts of modified silica sol, 2-4 parts of urea, 3-5 parts of calcium carbonate, 2-4 parts of a filling material, and 0.8-1.2 parts of an auxiliary agent. The flame-retardation slurry prepared according to the formula is an environment-friendly product, is nontoxic and free of corrosiveness, possesses the flame resistance up to A grade standard, is good in fireproof effect, is widely applicable to the technical field of decoration, and is good in wettability and thereby possessing good wettability on fiber products. The flame-retardation slurry is adjustable in viscosity and long in service life, is improved in high-temperature resistance because of addition of the filling material, and possesses wide market application value.

The invention belongs to the technical field of door locks and provides an intelligent door lock. The intelligent door lock comprises a wireless communication module and a power source management module; the wireless communication module is connected with a router through a gateway; and the power source management module is connected with the wireless communication module and is used for controlling the electrification and de-electrification of the wireless communication module. According to the embodiments of the invention, the electrification and de-electrification of the wireless communication module are controlled through the power management module, so that the wireless communication module does not need to be in a working state all the time, the battery power consumption of the intelligent door lock is reduced, and the problem that the battery use period of the intelligent door lock is short in the prior art is solved.

The invention provides a double-pipe wellhead device. The double-pipe wellhead device is used for connecting an inner pipe column and an outer pipe column which externally sleeves the inner pipe column; the double-pipe wellhead device comprises an inner pipe tee provided with a first longitudinal passage communicating with an inner through hole of the inner pipe column and an outer tube cross provided with a second longitudinal passage communicating with the first longitudinal passage; a first annular gap is formed between the inner wall surface of the outer pipe column and the outer wall surface of the inner pipe column, and the first annular gap communicates with the second longitudinal passage. By applying the technical scheme, the problem that a wellhead device in the prior art is short in service life is solved.

The invention discloses a display device and a manufacturing method thereof, and belongs to the technical field of liquid crystal display. The display device comprises a display panel, a cover plate and a liquid glue layer, wherein the display panel and the cover plate are in opposite arrangement; the liquid glue layer is arranged between the display panel and the cover plate; the display panel and the cover plate are attached through a rubber frame; the rubber frame at least comprises a first rubber frame and a second rubber frame; the first rubber frame and the second rubber frame are in concentric arrangement; a first narrow seam is formed between the first rubber frame and the second rubber frame; at least one first notch is formed in the first rubber frame; through the arrangement ofthe multilayer rubber frame, the narrow seam is formed between the rubber frames; the notch is formed in the rubber frame; during pressing operation, excessive liquid glue can enter the narrow seam region from the notch; air inside the display device can be exhausted through the narrow seam region; the requirements on production environment are not high; the notches of multilayer rubber frames areformed in different sides; through the multilayer rubber frames, water steam is prevented from entering the inside of the display device from the use environment of the display device; the problem ofshort service life of the display device is solved.

The invention relates to the technical field of a motor device, in particular to a novel motor lining press device. The novel motor lining press device comprises a bottom plate, guide rails, a movable base, a lining press table, a fixing vertical post, a first air cylinder and a second air cylinder, wherein the guide rails and the second air cylinder are fixed on the bottom plate. In the novel motor lining press device disclosed by the invention, a lining can be pressed into a motor shell by the device, a motor stator is then arranged in the lining, the lining can be taken out and stators in different types can be replaced if the motor stator is required to be replaced, and the problems of a replacement trouble and short service lifetime of a traditional motor stator are solved; and moreover, the device is simple to operate, convenient to use and move, and suitable for the promotion and the application.

The present invention relates to a quantitative self-starting and self-closing type water fertilizer slow-permeation water bag, which comprises a water storage bag, wherein the bottom portion of the water storage bag is provided with at least a slow permeation hole, the top portion of the water storage bag is provided with an automatic starting-closing valve, the automatic starting-closing valve is communicated to a water source through a water inlet pipe, and is communicated to the top portion of the water storage bag through a water outlet pipe, the bottom middle portion in the water storage bag is provided with a magnet, the automatic starting-closing valve comprises a closed soft pipe respectively communicated to the water outlet pipe and the water inlet pipe, an airbag for clogging the outlet of the water inlet pipe is arranged in the soft pipe, the bottom portion of the airbag is fixedly connected to the inner bottom of the soft pipe, the bottom portion of the airbag is provided with a gas outlet hole communicated outside the soft pipe, the outer bottom portion of the soft pipe is provided with a hinge, and the upper valve of the hinge is fixedly arranged on the bottom portion of the soft pipe. The quantitative self-starting and self-closing type water fertilizer slow-permeation water bag of the present invention has characteristics of simple structure, convenient use, and long service life.

The invention discloses an AMOLED pixel driving circuit and a pixel driving method. The AMOLED pixel driving circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor and an organic light emitting diode (OLED). According to the AMOLED pixel driving circuit and the pixel driving method, common potential of OLED loop ends of adjacent two pixel units can be subjected to alternative pulse drive, only one OLED emits light for display in the same frame time, the energy utilization efficiency is improved, causes of aging of the OLED can be eliminated completely, the service life of the OLED is prolonged greatly, influences on light-emitting current by line internal resistance are eliminated, and the picture display quality is improved.

The invention discloses a flame-retardant fiber impregnating composition. The flame-retardant fiber impregnating composition is characterized by being prepared from, by weight, 15-40 parts of liquid rubber, 10-25 parts of isocyanate, 5-15 parts of plasticizers, 5-12 parts of liquid petroleum tackifying resin, 3-6 parts of N-hydroxymethyl-3-(dimethoxyphosphonyl) propionamide and 5-10 parts of flame-retardant resin. According to the flame-retardant fiber impregnating composition, the advantages of resisting high temperature, being flame-retardant and high in bonding strength and the like are achieved, and due to the fact that the viscosity is small and the wettability is good, the good impregnating property on fibers is achieved; processed fiber yarn is smooth in surface and easy to weave and wind, the good bonding property with rubber and the smooth surface are achieved, no solvent is volatilized and energy consumption is low in the whole processing process, and the wide market value and the great market potential are achieved.

The invention discloses a construction method of fixed measurement control points for a hydraulic reclamation site. The construction method comprises the following steps that a building-free land parcel is selected, the site is leveled and tamped; a plurality of steel pipe piles are driven into the site, and the plurality of steel pipe piles are uniformly distributed around the center circumference of the site and are exposed out of the ground; reinforcing meshes connected with the steel pipe piles are bound on the plurality of steel pipe piles, then combined embedded parts are installed in the centers of the plurality of steel pipe piles, and the installation levelness of the combined embedded parts is adjusted; and concrete is poured after supporting formworks on the peripheries of the plurality of steel pipe piles are reinforced, and construction of the fixed measurement control points for the hydraulic reclamation site is completed. According to the construction method of the fixed measurement control points for the hydraulic reclamation site, the stability of the measurement control points of the hydraulic reclamation site is greatly improved on the premise of guaranteeing that the construction cost is not greatly increased, then the construction precision and the construction quality can be effectively guaranteed, and the construction method has great application prospects.

The invention discloses a silicone rubber material composition for an instrument panel of a two-wheeled electric vehicle, and the silicone rubber material composition for the instrument panel of the two-wheeled electric vehicle is prepared from the following components in parts by weight: 100-300 parts of filler; 19 to 25 parts of a cross-linking agent; 5-15 parts of a structure inhibitor; 10 to 30 parts of a diluent; 0.1-1 part of a liquid barium-zinc stabilizer; 1 to 10 parts of CoAl2O4; 1 to 0.1 to 5 parts of hydrogen-containing silicone oil containing more than 0.025 wt% of hydrogen; 1-10 parts of a cyanuric acid polymer; the silicone rubber material adopting the components provided by the invention contains the special siloxane polymer, CoAl2O4, cyanuric acid polymer, liquid barium-zinc stabilizer and the like, so that the silicone rubber material has excellent ageing resistance, moisture resistance and oxidation resistance, and the problem of short service life is solved.

The invention provides a non-negative pressure water supply device used for heat energy equipment. The non-negative pressure water supply device comprises a base, on which a main water tank and an auxiliary water tank are arranged. The main water tank is connected with the auxiliary water tank by means of a water pipe. The middle of the water pipe is provided with a water pump. A pressure sensor is arranged in the main water tank, in which a water outlet is arranged. The auxiliary water tank is provided with a water inlet pipe. Due to the fact that the main water tank and the auxiliary water tank are connected by means of the water pipe, the main water tank is prevented from producing negative pressure such that water supply is not affected. No consideration is taken into poor states such as pressure shortage and overpressure and pressure of water tank can be detected by means of the pressure sensor such that problems of a conventional water supply device for heat energy equipment such as short service lifetime and the likelihood of blockage of water supply are solved. A fan is arranged above the water pump and used for cooling the water pump so that the water pump is prevented from being overheated, thereby avoiding short circuit. A liquid level detector is arranged in the main water tank in order to prevent water volume in the main water tank from being excessively large or small. A filtering device arranged on the water inlet pipe with the purpose of purifying water quality of water tanks and reducing production cost.

The invention discloses a two-way valveless microflow pump based on a PVDF piezoelectric film and a preparation method thereof. The two-way valveless microflow pump based on the PVDF piezoelectric film comprises a cover plate, the PVDF piezoelectric film, a channel layer and a base plate, wherein the cover plate, the PVDF piezoelectric film, the channel layer and the base plate are sequentially and fixedly connected from top to bottom; the upper surface and the lower surface of the PVDF piezoelectric film are each provided with a plurality of conductive film areas, each conductive film area comprises a working area electrode and a conducting area electrode used for making the working area electrode be connected with an external voltage source, and one working area electrode on the upper surface of the PVDF piezoelectric film right faces one working area electrode on the lower surface of the PVDF piezoelectric film; a through hole is formed in the cover plate; and a fluid channel and two liquid storage pools are formed in the channel layer, the two ends of the fluid channel communicate with the liquid storage pools correspondingly, the working area electrodes on the upper surface of the PVDF piezoelectric film right face the through hole and the liquid channel, and the liquid storage pools communicate with an external liquid source. According to the two-way valveless microflow pump based on the PVDF piezoelectric film, valveless two-way driving can be achieved, switching is easy, and the preparation method is easy to realize.

The invention discloses a self-service device for automatically charging an active card. The self-service device comprises a card storage component, a stepping motor, a control component, a card clamping component, a card transmission component and a main control circuit component. Card removal (namely card issuance) and card storage (namely card collection) do not need to specify specific card slot information. The self-service device can achieve out-of-order card collection and out-of-order card issuance through its own algorithm. The self-service device for automatically charging the activecard is small in size, occupies no space, is simple in structure, easy to manufacture, convenient to use and low in cost, and is suitable for large-scale use in the industry.