36results about How to "Avoid aging failure" patented technology

The embodiment of the invention provides a wireless terminal and an auxiliary antenna state control method thereof. The method comprises the following steps of: acquiring the temperature of the wireless terminal; judging a relation between the temperature of the wireless terminal and a temperature threshold upper limit as well as a temperature threshold lower limit; when the temperature of the wireless terminal is higher than the temperature threshold upper limit, switching the auxiliary antenna off; or when the temperature of the wireless terminal is lower than the temperature threshold lower limit, switching the auxiliary antenna on. Due to the adoption of the method, overheat of the wireless terminal and potential safety hazards such as chip over-temperature, aging failure or short-circuit burning and the like caused by the overheat can be prevented. Simultaneously, continuous use of the wireless terminal by a user can be ensured and impacts (sudden change of flow speed, offline and the like) on the user during practical use are minimized.

The invention provides an ultraviolet LED chip and a preparation method thereof. The ultraviolet LED chip includes a light emitting epitaxial layer including a first mesa and a second mesa, and an insulating protective layer formed on surfaces and side faces of the first mesa and the second mesa; the insulating protective layer includes an Al-containing insulating layer, and may form a single-layer or multi-layer stacked structure. By adopting the Al-containing insulating protection layer, replacement of Al ions in the epitaxial layer can be reduced, Al ions missing in the epitaxial layer in achip manufacturing process can be effectively compensated, Si doping in the epitaxial layer cannot be affected, the epitaxial layer cannot be damaged, and aging failure of the epitaxial layer is avoided. The absorption rate of the Al-containing insulating protection layer in the ultraviolet band is low, and meanwhile, when the Al-containing insulating layer of a multi-layer structure is formed, an insulating film laminated structure with high and low refractive indexes can be formed, so that the purpose of brightening can be achieved.

The invention discloses a blurred screen fault detection circuit board for displays. The blurred screen fault detection circuit board comprises a board body, a test pressure head clamp, a contact member, a test section and a fixed part, wherein the board body has one end communicating with the test section and being far away from the fixed part, and the board body and the test section jointly form a receiving chamber for receiving etching solution. A vertical down-pressing mechanism is arranged on the test pressure head clamp, and a liquid guiding core is installed on the vertical down-pressing mechanism and extends in the receiving chamber. An acquisition and simulation module is arranged on the fixing part and connected with an embedded controller, and a monitoring assembly is electrically connected with the contact member and used for detecting the current parameters of the circuit board. The blurred screen fault detection circuit board prevents aging failure of capacitors in a display, increases starting speed and screen brightness, and ensures clear characters display. The detection method is simple, fast, accurate and highly effective.

The invention provides a feeding system of a double-chamber vacuum furnace used for thermal treatment. The double-chamber vacuum furnace used for thermal treatment comprises a front chamber and a rear chamber and is characterized in that the feeding system comprises a drive transmission device and a rising and falling device, the drive transmission device is arranged in the front chamber, and the rising and falling device is arranged at the bottom of the rear chamber and extends into the rear chamber; and the drive transmission device is used for achieving circulation, between the front chamber and the rear chamber, of thermal treatment workpieces, and the rising and falling device is used for achieving rising and falling of the thermal treatment workpieces. Compared with the prior art, a body structure of the feeding system is located outside the rear chamber of the vacuum furnace, and therefore the feeding system can be away from a high-temperature environment, and the aging failure caused by thermal expansion is avoided.

The invention relates to a lubricating-grease automatic filling device for a bearing, comprising a transmission mechanism, a speed reducing mechanism and a lubricating-grease filling mechanism. The lubricating-grease automatic filling device is characterized in that the transmission mechanism comprises a guide wheel, a strong magnet, a magnetic cylinder, a cylindrical magnetic core, a connecting rod, a spiral spring and a ratchet wheel, wherein the strong magnet is arranged at the inside face of the guide wheel; the magnetic cylinder is arranged at the tail end on a bearing frame of the guide wheel and is opposite to the strong magnet; the cylindrical magnetic core is arranged in the magnetic cylinder; the connecting rod is connected with the magnetic core; the spiral spring is connected with the tail end of the connecting rod and is fixed on a bracket; the ratchet wheel is connected with the periphery of the connecting rod and is provided with a swinging rod; the speed reducing mechanism comprises a speed reducing box body, an input shaft and an output shaft; the input shaft is provided with a linear gear; the output shaft is provided with a variable-speed gear; the lubricating-grease filling mechanism comprises a cylindrical piston, an oil storage barrel and an oil filling pipe; the cylindrical piston is arranged at the end part of the output shaft; the oil storage barrel is sheathed at the periphery of the cylindrical piston and is fixed on the sliding bracket; the oil filling pipe is connected with oil filling nozzles on the oil storage barrel and the bearing frame; and the ratchet wheel is connected with the input shaft of the speed reducing box by a key, and the output shaft of the speed reducing box is in threaded connection with the oil storage barrel.

The invention discloses a display panel. The display panel includes a substrate, an organic light emitting unit and a thin film encapsulation layer. The substrate includes a display area and a non-display area, the organic light-emitting unit is arranged on the display area of ​​the substrate, and the thin-film encapsulation layer covers the organic light-emitting unit. The thin film encapsulation layer at least includes a first inorganic layer and a second inorganic layer, and the thin film encapsulation layer covers the organic light emitting unit. The display panel further includes a sealing member disposed around the display area, located between the first inorganic layer and the second inorganic layer in the non-display area, and in contact with the first inorganic layer and the second inorganic layer. Through the melting and re-solidification of the sealing member, the bonding between the first inorganic layer and the second inorganic layer and the sealing member can be strengthened, so that water vapor and oxygen in the external environment can be blocked from diffusing from the interface between the thin film encapsulation layers to the inside of the display panel, The encapsulation effect of the thin film encapsulation layer is improved, and the aging and failure of the light-emitting material of the organic light-emitting unit is avoided, thereby prolonging the lifespan of the display panel.

The invention discloses a cleaning device and a cleaning method for a solar cell panel. The cleaning device comprises a power supply, a pump, a pump tube, a cleaning storage box, a plastic hose, a cleaning barrel and a cleaning rail, wherein the power of the pump is provided by a power supply; a cleaning liquid is held in the cleaning storage box; the pump sucks the cleaning liquid form the cleaning storage box through the pump tube, pressurizes the cleaning liquid, and then conveys the cleaning liquid to the cleaning barrel through the plastic hose; the main body portion of the cleaning barrel is a holed hollow structure, one end of the main body portion is connected with the pump through the plastic hose, the other end of the main body portion is closed, and the outer surface of the main body portion is a detachable brush sleeve; the high-pressure cleaning liquid is ejected from the hole of the cleaning barrel to clean the surface of the cell panel, meanwhile, the reaction of ejecting for the cleaning liquid pushes the cleaning barrel to move along a cleaning rail. The device is capable of automatically cleaning the surface of the solar cell panel, avoiding use of a complex rail transmission mechanism, increasing the power generation efficiency of a solar power station, saving labour, improving cleaning effect, and obviously reducing operation cost.

The invention provides a feeding system of a double-chamber vacuum furnace used for thermal treatment. The double-chamber vacuum furnace used for thermal treatment comprises a front chamber and a rear chamber and is characterized in that the feeding system comprises a drive transmission device and a rising and falling device, the drive transmission device is arranged in the front chamber, and the rising and falling device is arranged at the bottom of the rear chamber and extends into the rear chamber; and the drive transmission device is used for achieving circulation, between the front chamber and the rear chamber, of thermal treatment workpieces, and the rising and falling device is used for achieving rising and falling of the thermal treatment workpieces. Compared with the prior art, a body structure of the feeding system is located outside the rear chamber of the vacuum furnace, and therefore the feeding system can be away from a high-temperature environment, and the aging failure caused by thermal expansion is avoided.

The invention discloses an elastic cushion for manufacturing an open-type rail bearing groove roadbed. The cylindrical elastic cushion comprises an attaching surface I and an attaching surface II which are oppositely arranged; and the shape of the attaching surface I is fitted with the shape of a section of the end part of a sleeper. Through the adoption of the elastic cushion disclosed by the invention, one surface of the elastic cushion is connected to the sleeper, and the other opposite surface of the elastic cushion is used for connecting a mold plate for casting a roadbed; and the elastic cushion can be bended and compressed, so that the purpose that when the sleeper is obliquely arranged, the end part of the sleeper is still tightly attached to the mold plate can be met, the purpose that no matter whether the roadbed is cast in a straight section or a curve super-elevation section, after the mold plate and the elastic cushion are disassembled, an opening in a required shape is formed in the position of the original elastic cushion, at the end part of the roadbed in which a rail bearing groove of the sleeper is formed is guaranteed, and the defects that in the prior art, if a harmful layer is not removed, an opening is not formed in the rail bearing groove, besides, the harmful layer is thin, chipping is easy to generate, if the harmful layer is removed, secondary construction is required, the workload is large, the quality is not liable to guarantee, and time and labor are wasted are avoided.. The elastic cushion disclosed by the invention is simple in structure, convenient to use and low in cost.

The invention relates to a lubricating-grease automatic filling device for a bearing, comprising a transmission mechanism, a speed reducing mechanism and a lubricating-grease filling mechanism. The lubricating-grease automatic filling device is characterized in that the transmission mechanism comprises a guide wheel, a strong magnet, a magnetic cylinder, a cylindrical magnetic core, a connecting rod, a spiral spring and a ratchet wheel, wherein the strong magnet is arranged at the inside face of the guide wheel; the magnetic cylinder is arranged at the tail end on a bearing frame of the guide wheel and is opposite to the strong magnet; the cylindrical magnetic core is arranged in the magnetic cylinder; the connecting rod is connected with the magnetic core; the spiral spring is connected with the tail end of the connecting rod and is fixed on a bracket; the ratchet wheel is connected with the periphery of the connecting rod and is provided with a swinging rod; the speed reducing mechanism comprises a speed reducing box body, an input shaft and an output shaft; the input shaft is provided with a linear gear; the output shaft is provided with a variable-speed gear; the lubricating-grease filling mechanism comprises a cylindrical piston, an oil storage barrel and an oil filling pipe; the cylindrical piston is arranged at the end part of the output shaft; the oil storage barrel is sheathed at the periphery of the cylindrical piston and is fixed on the sliding bracket; the oil filling pipe is connected with oil filling nozzles on the oil storage barrel and the bearing frame; and the ratchet wheel is connected with the input shaft of the speed reducing box by a key, and the output shaft of the speed reducing box is in threaded connection with the oil storage barrel.

The present invention provides an ultraviolet LED chip and a preparation method thereof. The ultraviolet LED chip includes a light-emitting epitaxial layer, and the light-emitting epitaxial layer includes a first mesa and a second mesa, and is formed on the surfaces of the first mesa and the second mesa and The insulating protective layer on the side, the insulating protective layer includes an insulating layer containing Al, and can form a single-layer or multi-layer stacked structure. The use of an insulating protective layer containing Al can reduce the replacement of Al ions in the epitaxial layer, and can effectively compensate for the lack of Al ions in the epitaxial layer during the chip manufacturing process, and will not affect the Si doping in the epitaxial layer, so as not to damage the epitaxial layer , to avoid aging failure of the epitaxial layer. The insulating protection layer containing Al has a low absorption rate in the ultraviolet band, and when the insulating layer containing Al is formed in a multilayer structure, a laminated structure of insulating films with high and low refractive indices can be formed, thereby achieving the purpose of brightening.

The invention discloses a multifunctional environment-friendly guide structure. The structure comprises an inner layer tube body and an outer layer tube body, and the inner layer tube body is coaxially arranged in the cavity of the outer layer tube body. The outer tube body and the inner tube body are of interlayer structures, and thermal insulation cotton is filled in the cavity of the interlayer; the inner wall of the inner layer tube body is coated with an antibacterial adsorption layer; a flame-retardant layer coats the outer wall of the outer-layer tube body, and an elastic protrusion isarranged at the start end of the inner layer tube body; a groove which is matched with the elastic protrusion is formed in the starting end of the outer tube body; the side wall of the elastic protrusion is provided with a sub-protrusion, and the groove body comprises an outer groove body close to the outside and an inner groove body close to the interior; the width of the outer groove body is larger than the width of the inner groove body; and a first spring is arranged on the inner bottom wall of the inner groove body, and a second spring is arranged on the first inner side wall of the innergroove body; and a baffle is arranged on the first inner side wall of the inner groove body, and the baffle and the sub-protrusions are both magnetic bodies. The structure has the advantages of beinggood in heat preservation effect, detachable, and capable of sterilizing and inflaming retarding.

The invention discloses a blocking agent for a drilling liquid. The blocking agent is prepared by reaction of four raw materials: calcium lignosulphonate, sodium humate, a 20% formaldehyde solution and 2-methyl-2-acrylamido propanesulfonic acid and an initiator, wherein the mass ratio of calcium lignosulphonate to sodium humate to 20% formaldehyde solution to 2-methyl-2-acrylamido propanesulfonic acid is (30-50): (30-50): (5-15): (20-30). The blocking agent disclosed by the invention is small in particle diameter and poor in water solubility, can be effectively filled in a formation fracture to play a blocking role, and is long in molecular chain. The structure has certain elasticity and is easily filled in the formation fracture compared with the blocking agent of a rigid structure.

A municipal pipeline well mouth body provided with fluorophors is composed of a well mouth main body and the fluorophors, wherein the well mouth main body is provided with downstream ditches, downstream slopes, slopes and fluorophor installation grooves, each fluorophor installation groove is structurally divided into a fluorophor installation groove upper opening and a fluorophor installation groove lower opening, the downstream slopes and the slops are distributed on the upper portion of the inner circumference of the well mouth main body in a spaced mode, the bottom portions of the downstream ditches are flush with the upper ends of the downstream slopes, the fluorophor installation grooves are formed in the middle portions of the slopes, the middle portions of the fluorophor installation grooves are open upward to form the fluorophor installation groove upper openings, the two ends of each fluorophor installation groove are open downward to form the corresponding fluorophor installation groove lower opening, and the fluorophors can be embedded into the fluorophor installation grooves. When a municipal pipeline well mouth lid is missed, energy can be stored through photoinduced energy storage type powder wrapped inside the fluorophors of the device under irradiation of lamplight or daylight, and therefore the municipal pipeline well mouth body can emit light during a long period of time at night or emit light during a long period of time when the light is low, and traffic accidents caused by missing of the well mouth lid can be reduced.

The invention belongs to the technical field of bathroom handrails, and particularly relates to a high-safety bath handrail for a nursing home. The high-safety bath handrail comprises a handrail body;the outer wall of the handrail body is fixedly connected with a rubber layer; the surface of the rubber layer is provided with a plurality of convex particles; and the inner side of the handrail bodyis slidably connected with a storage box. Through the arrangement of the storage box and a hook, old people can directly stretch hands to take bath goods; through the arrangement of a through hole and a drainage hole, water is prevented from being stored; through the distribution arrangement of a rubber layer and the convex particles, the anti-skid effect is achieved; when old people feel uncomfortable during bathing, a sliding block can be pushed directly by pressing a pressing block, so that a push block makes contact with a switch contact of a buzzing alarm, and nursing personnel are reminded of accidents; the buzzing alarm does not need to be installed outside the handrail body, so that aging failure of the buzzing alarm due to long-term contact with water is prevented; and compared with an existing handrail, the high-safety bath handrail has the advantages that the functionality is more powerful and the safety is effectively improved.

The invention discloses two-component waterproof acid-proof paint as well as a preparation method and an application thereof. The two-component waterproof acid-proof paint is composed of a component A and a component B, wherein the component A comprises the following components in parts by weight: 30-40 parts of acrylic resin, 5-10 parts of hydrophobic organic silicon resin, 5-9 parts of alkaline filler, 1-3 parts of coupling agent, 0.5-1 part of anti-settling agent, 0.1-0.3 part of defoaming agent, 0.5-1.0 part of dispersing agent, 15-25 parts of colouring pigment filler and 20-25 parts of first organic solvent, the component B comprises the following components in parts by weight: 20-24 parts of polyurethane curing agent and 9-11 part of second organic solvent. The two-component waterproof acid-proof paint has good low temperature malleability and low water absorption, can effectively absorb acidic materials and has an effect of preventing concrete from being in ageing failure too fast when being coated on the surface of the concrete.