79results about How to "Solve the shortened service life" patented technology

The invention relates to a method and a special device for the comprehensive control of a storage battery pack, which is characterized in that: storage batteries are discharged or charged by measuring the surface temperature of each storage battery of the storage battery pack and the terminal voltage of each storage battery of the storage battery pack; and a storage battery open circuit alarming signal or a storage battery pack overvoltage alarming signal is output by measuring the floating charge current of the storage battery pack. The special device consists of a main machine (1) and a plurality of monitoring and controlling units (11) with the same structure, wherein the main machine (1) comprises a main control circuit (10), a floating charge current measuring circuit (2), a bus voltage measuring circuit (3), a charge module circuit (4), a discharge module circuit (5), a liquid display (7) and a keyboard input circuit (8). The monitoring and controlling units (11) are parallelly connected; and the output ends of the charge module circuit (4) and the discharge module circuit (5) are connected with the charge control input end and the discharge control input end of charge and discharge control circuits (13) in the monitoring and controlling units (11) respectively. The method and the device are widely used for detecting the storage batteries for power plants, transformer substations, telecommunication and the like.

The invention discloses an awakening method and device of a mobile terminal and the mobile terminal. The method comprises the following steps: detecting the current gesture of a user in a preset space range through an ultrasonic transducer on the mobile terminal when the mobile terminal is in in standby state; matching the current gesture with a preset standard gesture and obtaining the lasting time length of the current gesture if the matching is successful; and judging whether the lasting time length is in a preset time length range or not and determining whether to awaken the mobile terminal or not according to the judging result. According to the awakening method and device of the mobile terminal, the current gesture of the user is detected on the basis of the ultrasonic transducer on the mobile terminal, and the mobile terminal is awakened when the current gesture is successfully matched with the preset standard gesture and the lasting time length of the current gesture is in the preset time length range, so that the problem of short service life of keys due to the existing scheme of awakening the mobile terminal through clicking keys is solved, the service life of the mobile terminal is prolonged and the usage experience of the user is improved.

The invention discloses an anti-ultraviolet aging PVC film material and a preparation method thereof. The method comprises the following steps: (1) burdening polyvinyl chloride, epoxidized soybean oil, titanium dioxide, a pigment and an antioxidant according to the mass percent of 100:1:0.2:0.08:0.3, and evenly agitating the raw materials; (2) then sequentially carrying out banburying, crude refining and refining procedures, wherein banburying is kept at 150-160 DE C for 3-4 minutes, crude refining is kept at 170-180 DEG C for 7-8 minutes, and refining is kept at 170-180 DEG C for 5-6 minutes; (3) cooling to 160-170 DEG C, extruding and filtering, and then cooling and sizing, trimming and coiling to prepare a product after four-roll calendering, embossing and blending. By adopting the anti-ultraviolet aging PVC film material prepared by the preparation method disclosed by the invention, a series of problems caused by ultraviolet light irradiation can be effectively solved.

The invention discloses a full-temperature range pressure swing adsorption purification method for simultaneously removing water and hydrocarbon from natural gas. The full-temperature range pressure swing adsorption purification method comprises a light hydrocarbon and water vapor concentration process and a temperature swing adsorption rectification process, wherein in the light hydrocarbon and water vapor concentration process, the adsorption pressure is 0.5-7.0MPa, the operating temperature is 50-150 DEG C and normal-atmosphere evacuation desorption is performed; unabsorbed natural gas, containing methane and the like, is discharged from the top of an adsorption tower, is used as intermediate gas for removing most of water and light hydrocarbon, and then enters the temperature swing adsorption rectification process; a natural gas product with dew point drops of water and the hydrocarbon being lower than the minimum ambient temperature of 30-50 DEG C escapes from the top of the tower; one part is used as regenerating gas for regenerating the temperature swing adsorption rectification process and then the regenerating gas and raw gas are mixed and return to the light hydrocarbon and water vapor concentration process for further recycling the natural gas, or one part is used as purging gas of the light hydrocarbon and water vapor concentration process and the purging gas and desorption gas are pressurized for processing and recycling C2+ or sent out of a boundary for processing. By the full-temperature range pressure swing adsorption purification method, the yield of methane is 90-95% or above and the yield of C2+ is higher than 90%.

The invention discloses a novel storage battery production method. The novel storage battery production method comprises the following steps: preparing raw material powder for preparing a porous carbon material, mixing the raw material powder for preparing the porous carbon material and raw materials for preparing a positive and negative active substances, stirring and preparing a paste-like substance, and smearing the paste-like substance on a graphite grid; carbonizing the paste-coated graphite grid, activating, perforating, cooling, thus obtaining a positive polar electrode and a negative polar electrode; laminating the positive polar plate, a glass fiber partition plate and the negative polar plate to form a multilayer polar plate, assembling the laminated multilayer polar plate into abattery box, and injecting electrolyte into the battery box; after the battery box is filled with the electrolyte, standing for 30 minutes, charging and discharging a battery, and activating the positive and negative active substances; and after the battery is domesticated, adjusting the concentration of the electrolyte in the battery, and sealing a liquid injection hole of the battery. By adopting the novel storage battery production method, not only can the problem of the complicated traditional production process be solved, but also the problem that the environment is severely polluted inthe production process can be solved, the service life of the battery can be prolonged, and the high-magnification charging-discharging performance can be improved.

The invention provides high-strength polyethylene microporous film and a preparation method and application thereof, belongs to the field of film materials and can solve the problem that microporous film in the market has shorter life due to low strength. The preparation method according to the technical scheme includes: proportionally mixing polyethylene B and a reaction solvent, injecting the mixture into a reaction container, and carrying out high-temperature swelling; proportionally mixing polyethylene A and the mixture subjected to high-temperature swelling, melting the resultant to obtain high-temperature melt, filtering and metering the high-temperature melt, pumping the melt into a plate mold head, cooling to obtain an oil-bearing casting; subjecting the oil-bearing casting to primary bidirectional drawing, performing extracting, and performing secondary bidirectional drawing to obtain polyethylene film; rolling the thermally treated polyethylene film to obtain the high-densitypolyethylene microporous film. The invention applies to the preparation of high-strength polyethylene microporous film.

The invention discloses a brightness control method and a brightness control device, belonging to the field of liquid crystal displays. The brightness control method comprises the steps of: acquiring a temperature value acquired by a first driving integrated circuit IC, and detecting whether the temperature value reaches a predetermined threshold value; and transmitting a control signal to a second driving IC if the temperature value reaches the predetermined threshold value. Whether the temperature value reaches the predetermined threshold value is detected through acquiring the temperature value acquired by the first driving, and the control signal is transmitted to the second driving IC if the temperature value reaches the predetermined threshold value; the problems that service life of circuit devices and backlight membrane materials in electronic equipment is shortened because a backlight source produces overhigh temperature due to overhigh power is solved; and the effects of monitoring the temperature produced by the backlight source timely, controlling a backlight circuit so that the temperature is kept below the predetermined threshold value, and prolonging the service life of the circuit elements and the backlight membrane materials in the electronic equipment are achieved.

The invention discloses an intelligent dry separator of a stainless steel machine body. The intelligent dry separator comprises a main machine body and an X-ray source, wherein the main machine body comprises a sorting device, an identification device and a conveying device, the X-ray source is used for generating X-rays required by the identification device for identifying the type of materials;and the X-ray source (21) is arranged in a protective shell (101), and components forming the intelligent dry separator are made of stainless steel. The intelligent dry separator of the stainless steel machine body solves the problem that the service life is shortened due to the fact that the sorting device is in a humid environment for a long time, and the service life of the sorting device is prolonged. Due to the adoption of a plurality of protection modes, the influence of ray radiation on the working condition is reduced, and the influence on operators is especially influenced.

The invention provides a lock-up structure of a follow-up bridge of a vehicle, a control method thereof and the vehicle. The lock-up structure comprises an air cylinder body, a piston and a gas storage device. The piston is connected to the air cylinder body and the follow-up bridge, separately, and the air cylinder body is connected to the gas storage device. The lock-up structure also comprisesa control valve which comprises an air inlet port, an air outlet port and an exhaust port. The exhaust port communicates to external environment, and the air inlet port communicates to the gas storagedevice. The control valve has a first state and a second state. In the first state, the air outlet end is opened, the air inlet port communicates to the air outlet port and the exhaust port is cut off; in the second state, the exhaust port is opened, the air outlet port communicates to the exhaust port and the air outlet port is cut off. According to the lock-up structure of the follow-up bridgeof the vehicle and the control method thereof, the working hour of the valve body is shortened and the service life of the valve body is prolonged by arranging the normally opened valve body. The lock-up structure is safe and reliable and low in cost and is suggested to be popularized and used on a large scale.

The invention discloses a device based on patterns printed on the surface of timber. A positioning bolt is arranged on a base. A heating plate is arranged on the base. A forming die is arranged in the heating plate. An installation plate is arranged on the heating plate. A cylinder is arranged on the installation plate. A piston rod is arranged between the cylinder and the heating plate. A control box is arranged outside the cylinder. A counter, a punching time controller, a temperature controller and power switches are arranged on the control box. Hand-operated switches and a foot switch are arranged outside the control box. The outer wall of the positioning bolt is sleeved with a fine tuning positioning nut. An electromagnetic control valve is arranged outside the cylinder and connected with a gas-liquid separator. A lubricating oil tank is arranged below the gas-liquid separator. A gas pressure regulating valve is arranged between the lubricating oil tank and the gas-liquid separator. The device is convenient to use, marks are generated on the surface of the timber through heat, the forming quality is high, the surface of the timber can not be damaged, and the service life is ensured.

The invention belongs to the technical field of mechanical equipment, and particularly relates to a jaw crusher for garbage disposal. The jaw crusher comprises a jaw crusher body and an iron removal device, wherein the iron removal device is arranged at the upper part of the jaw crusher body; the bottom of the iron removal device is connected with the upper end of a feeding port of the jaw crusherbody; the iron removal device comprises a rocker arm, a lifting mechanism and an iron attracting unit; the upper end of the rocker arm is connected with the outer side of the lifting mechanism; the iron attracting unit is connected with the bottom end of the rocker arm and arranged in a cavity formed between a fixed jaw plate and a movable jaw plate; and two iron attracting parts are symmetrically connected to the two sides of the bottom of a connecting arm. The jaw crusher solves the problems that an existing jaw crusher is seriously affected, the phenomenon of iron choking is likely to happen, and the service life of equipment is shortened due to the fact that iron-containing pieces carried in stone waste, especially construction waste generated by house demolition cannot be separated.

The invention discloses a special built-in valve for a worm type gas meter. The special built-in valve comprises a valve seat, a sealing frame, a sealing plug, a movement bracket, a micromotor, a rack valve rod, a worm and a gear set. The valve seat is divided into a valve chamber and a motor chamber by the movement bracket, and the micromotor is fixed to the movement bracket; the top and side of the valve chamber are provided with an air outlet and an air inlet respectively, and the sealing plug is sheathed on the sealing frame and located below the air outlet; the upper end of the rack valve rod is connected to the sealing frame, and the upper end of the rack valve rod penetrates through a locating round hole of the movement bracket; the rack part of the rack valve rod is engaged with the gear set in the motor chamber through threads, and the worm is fixed to an output shaft of the micromotor; and the gear set is rotatably connected to the rotary output end of the micromotor through the worm. According to the special built-in valve, an in-place sliding structure is adopted, and has a buffer effect on blockage instantaneous current; at the same time, the valve volume is reduced to adapt to smaller gas meters; and a pressure relief structure with a sealing effect on the motor chamber is formed through interference fit between an isolation pad and the valve rod.

The transformer protection device comprises a box body, mounting frames are fixedly connected to the two sides of the bottom of the box body correspondingly, mounting holes are formed in the front sides and the rear sides of the bottoms of the mounting frames correspondingly, a box door is movably connected to the front side of the right side of an inner cavity of the box body, and a movable shellis movably connected to the inner cavity of the box body. According to the invention, the box body is arranged, box door and mounting rack, elbow and first fan, a top cover, a baffle, a shell, a second fan, a box body, a frame, a fixed shell, a movable shell, a mounting plate, a second filter screen, an illuminating lamp, a crank, a support, a movable block, a turntable, a mounting hole, a through groove, a first opening, a rotating rod, a driving bevel gear, a second opening, a threaded sleeve, a threaded rod, a bearing sleeve, a driven bevel gear, a limiting plate; the problem that an existing transformer protection device is poor in protection effect, so that the service life of a transformer is shortened is solved.

The invention relates to the technical field of electric wires and cables and specifically relates to a tensile shielding insulating cable for a charging pile. The cable includes a core cladding groupand a control core cladding group. The core cladding group is formed by stranding three cores in the shape of a triangle. The outer part of the core cladding group is covered with a first shielding layer and each core includes a conductor and an inner insulating layer wrapping the outer part of each conductor. The control wire core cladding group is composed of a control wire core and a second shielding layer wrapping the control wire core. The first shielding layer and the control wire core cladding group are both wrapped with an outer insulating layer. The outer insulating layer is externally connected with and wrapped with an armor layer. A gap between the outer insulating layer and the armor layer is also filled with a flame retardant filler, and the armor layer is wrapped with an abrasion-resistant protective sleeve. The invention solves a problem that the service life of a charging pile cable, which is frequently pulled and rolled in the use process, is shortened due to the poortensile capacity and mechanical performance of an existing charging pile.

The invention discloses an anti-corrosion reinforcing structure for a column. The column comprises concrete and main steel bars arranged in the concrete. Joint mixture releasing blocks are arranged in the concrete of the column and internally provided with cavities, and joint mixtures are packaged in the cavities. When cracks appear in the column, the joint mixture releasing blocks crack, and the cracks are filled with the joint mixtures. By means of the anti-corrosion reinforcing structure, the problem that the service life of a column is shortened due to the fact that internal steel bars are corroded easily after cracks appear in the reinforced concrete column in the prior art is effectively solved; the anti-corrosion reinforcing structure has an automatic crack filling function after cracks appear in the column, meanwhile, the possibility of crack occurrence in the column is greatly lowered through the reinforcing structure, and therefore the service life of the column is greatly prolonged; and the anti-corrosion reinforcing structure has high practical value.

The invention provides an inserting rod of a window cleaning machine. The inserting rod comprises a supporting pillar and a cantilever which is arranged at the upper end of the supporting pillar, and further comprises an inclined support, wherein a triangular structure is defined by the inclined support, the cantilever and the upper part of the supporting pillar; a fixed stand is arranged on the lower part of the supporting pillar; rotary rollers are arranged on the fixed stand; a rotary disc is welded on the peripheral side of the supporting pillar; the rotary rollers are used for supporting the rotary disc in the radial direction of the rotary disc; rolling bearings are arranged at the bottom of the supporting pillar for supporting the supporting pillar in a longitudinal direction; and both the cantilever and the supporting pillar are rectangular pipes. Since all rotary positions are in the form of the rolling bearings and since the cantilever and the supporting pillar are rectangular pipes, the operation convenience is greatly improved, and meanwhile equipment weight is greatly reduced and cost is reduced.

The invention provides a primary-secondary smelting furnace. The primary-secondary smelting furnace is characterized in that the furnace comprises a base; a plurality of smelting furnace bodies are arranged on the base; the smelting furnace bodies include one primary smelting furnace body and multiple secondary smelting furnace assemblies; a primary smelting furnace mounting groove is reserved inthe base, and the primary smelting furnace body is mounted in the primary smelting furnace mounting groove; the multiple secondary smelting furnace assemblies are uniformly distributed on the base around the outer profile of the primary smelting furnace body; each secondary smelting furnace assembly comprises a secondary smelting furnace base, a secondary smelting furnace body and a driving cylinder; the secondary smelting furnace bases are hinged to the surface of the base; the secondary smelting furnace bodies are fixed to the surfaces of the secondary smelting furnace bases correspondingly,and push rods of the driving cylinders are connected to the bottoms of the secondary smelting furnace bodies correspondingly; the secondary smelting furnace bodies can overturn above the periphery ofthe primary smelting furnace body relative to the base; and a drainage groove which is inclined relative to the surface of the base is formed between each secondary smelting furnace body and the primary smelting furnace body. The primary-secondary smelting furnace has the advantages of efficient smelting, high production efficiency and labor reduction.

The invention discloses a vibration-isolating bridge, which includes a base, two piers and two first clamping blocks are arranged above the base, Between that two bridge pier are two said first card blocks, supporting blocks are arranged inside the two piers, A shock absorber is arranged above the two supporting blocks, two fixing blocks and a first damping spring are arranged inside the two shockabsorbers, two first damping springs are respectively positioned between two fixed blocks, A card slot is provided, first block, the bayonet and the second bayonet, A card slot is arranged on the first card block and the second card block, The inside of the clamping slot is clamped with the clamping column. When the pier cracks need to be repaired or replaced, the operator can clamp the clampingcolumn in the clamping slot through the external equipment, thus playing the role of strengthening the bridge, preventing the bridge from collapsing accidentally, and solving the problem that the bridge collapse will cause personal safety to the operator when the operator changes the pier.

The invention provides an inserting rod slewing mechanism of a window cleaning machine. The inserting rod slewing mechanism comprises a strut and a cantilever which is arranged at the upper end of the strut, and further comprises an inclined support, wherein a triangular structure is constituted by the inclined support, the cantilever and the upper part of the strut; a fixed stand is arranged on the lower part of the strut; a circle of rotating rollers are arranged on the fixed stand; a rotary tray is welded on the periphery of the strut; the rotary tray is supported by the rotating rollers in the radial direction of the rotary tray; and a rolling bearing is arranged at the bottom of the strut for supporting the strut in a longitudinal direction. The inserting rod slewing mechanism disclosed by the invention, through the adoption of the rolling bearing on all rotating positions, can greatly enhance the convenience of operation.