947results about How to "Extended service life" patented technology

The invention relates to an intelligent handrail which comprises an outer frame, a scraping unit, a scrubbing unit, a wiping unit and a wipe dry unit, the scraping unit is installed at the lower end of the outer frame, the scrubbing unit is arranged in the middle of the outer frame, the wipe dry unit is arranged at the upper end of the outer frame, the wiping unit is arranged in the outer frame, and the wiping unit is located between the scrubbing unit and the wipe dry unit. The intelligent handrail can solve the problems that a large number of passengers are transported by an escalator everyday, the surface of a hand strap often carries a large number of bacteria, and particularly, a large number of dust is accumulated on an escalator or a sidewalk located outdoors, so that the service life of the hand strap can be influenced, the riding experience and mood of the passengers can be influenced, a traditional hand strap is generally wiped and cleaned manually, time and labor are wastedin the manner, cleaning personnel can block an entrance and an exit of the escalator during wiping, and normal use of the escalator or the moving sidewalk by the passengers is influenced.

A battery pack comprises a housing, a battery core and a BMS, wherein the battery core and the BMS are arranged in the housing, and the BMS is electrically connected with the battery core. The batterypack further comprises a first radiator arranged in the housing, a second radiator arranged outside the housing and a semiconductor chilling plate located between the first radiator and the second radiator. The semiconductor chilling plate comprises a first end connected with the first radiator and a second end connected with the second radiator. The BMS is further electrically connected with thesemiconductor chilling plate, and the BMS is used for controlling the semiconductor chilling plate to conduct refrigeration at the first end and conduct heating at the second end. The invention further provides a heat dissipation method of the battery pack.

The invention discloses a filter unit, a membrane reactor, a column reactor and a manufacturing method thereof. The filter unit comprises filter membrane components and an aeration component, whereinthe filter membrane components are internally provided with water collecting channels; the number of the filter membrane components is many, the filter membrane components are arranged around the aeration component or arranged at two sides of the aeration component; the aeration component is internally provided with an air inflation channel, the aeration component is an inflatable elastic component, the aeration component is provided with multiple deformable ports, the aeration has a conventional state and an inflated state, in the conventional state, the deformable ports are closed, in the inflated state, the aeration component inflates, the deformable ports are opened. According to the filter unit, when the inflation channel in the aeration component is inflated, the deformable ports areopened, air enters sewage through the deformable ports from the inflation channel to brush the filter membrane component, when the inflation in the inflation channel is stopped, the filter membrane component returns to the conventional state, and the deformable ports are closed again, so that the sewage can be prevented from entering the inflation channel and blocking the inflation channel without inflating the inflation channel all the time.

The invention discloses an electronic throttle valve and a control method suitable for a mild HEV, and relates to an electronic throttle valve and a control method. A throttle valve shell is providedwith a valve hole, the tail end of the throttle valve shell is provided with a motor mounting cavity, a disc shaft is arranged in the valve hole in the radial direction and is rotationally connected with the valve hole, an inner disc is integrally arranged in the middle of the disc shaft, and a driving motor is fixed in the motor mounting cavity. An output shaft is fixedly provided with a drivinggear which meshes with a driven gear fixed at the end of the disc shaft to control rotation of the disc shaft. A temperature sensor is fixed to the inner wall of the valve hole, the driven gear is provided with a rotation angle sensor and a return spring, a permanent magnetic outer disc is annularly arranged between the inner disc and the inner wall of the valve hole and provided with a sleeve which is rotationally connected with the disc shaft at the two ends of the inner disc, and an electromagnetic coil and an icing sensor are adjacent to the permanent magnetic outer disc and fixed to the inner wall of the valve hole. The electromagnetic coil is additionally arranged, and the inner disc and the permanent magnetic outer disc are assembled into a combined disc, so that the deicing effectis better, and the service life is longer.

The invention discloses a preparation method of a doped nano TiO2 photo-anode plate, the preparation method comprises the following steps: alternately depositing on a stainless steel substrate through an electro-deposition method to form a metal oxide coating, synthesizing nitrogen-doped anatase TiO2 nanoparticles through a solvothermal method and a heat treatment method, preparing slurry, dispensing the slurry on the surface of an electrode plate, performing hot pressing to enable the anode surface of the TiO2 catalyst slurry to be tightly bonded to obtain the doped nano TiO2 photo-anode plate; the technical defects that in the prior art, a photo-anode is short in service life and poor in catalytic performance are overcome.

The invention relates to a mullite-based ceramic material and a preparation method thereof, and belongs to the technical field of refractory ceramic materials. The preparation method specifically comprises the steps of S1, mixing and ball-milling raw materials to obtain mixed powder; S2, stirring and mixing the mixed powder, a phosphate binder and a polyvinyl alcohol aqueous solution, and aging to obtain an aged material; S3, carrying out compression molding on the aged material, and drying to obtain a dried green body; and S4, placing the dried green body in a corundum crucible paved with aluminum fluoride trihydrate powder, covering, performing heat treatment, and cooling to obtain a mullite-based ceramic material. The mullite-based ceramic material prepared by the preparation method has high whisker content, the whiskers with different sizes are uniformly distributed in a matrix, and the phosphate binder and the needle-like mullite whiskers formed in situ at tiny gaps have a synergistic effect, so that the strength and toughness of the mullite-based ceramic material are improved.

A control apparatus of an automatic machine is provided, while the control apparatus supplies electric power of a power supply in high reliability with respect to a driving apparatus of the automatic machine, and further, has no problem as to ensuring of safety.

In a control apparatus of an automatic machine having a breaker (22) connected to a power supply (21), and a driving apparatus (32) for supplying electric power of the power supply (21) to a driving unit (35) of the automatic machine via a relay apparatus (31) connected to the breaker (21), which controls the driving apparatus (32), the control apparatus is comprised of: a current control rectifying element (33) connected to the relay apparatus (31); and a current controlling device (29) for feed-controlling the current control rectifying element (33) after a contact of the relay apparatus (31) has been closed when supplying of the electric power to the driving unit (35) is turned ON.

The invention provides an automobile exhaust gas purifier and a method for purifying automobile exhaust gas. According to the automobile exhaust gas purifier, a disperser is used for dispersing the automobile exhaust gas into minute bubbles, and the minute bubbles are guided into sodium hydroxide solution of a filter vat, so that acid gas in the automobile exhaust gas is reacted with sodium hydroxide, and suspended particles in the exhaust gas are dissolved in the solution, therefore, harmful substances in the exhaust gas are greatly reduced, and the effect of exhaust gas purification is realized.

The invention discloses a preparation method of a long-service-life two-dimensional code label for an outdoor atmospheric environment. After two-dimensional code pattern processing on the stainless steel surface through laser engraving, the service life of the stainless steel label is prolonged by coating the surface of the label with UV-resistant ink and modified varnish having high weather fastness. By adopting the method, the preparation process is simple, the production efficiency is high, the obtained two-dimensional code label has good weather fastness, corrosion resistance and impact resistance in the outdoor atmospheric environment, and the service life is effectively improved.

The invention provides a new energy automobile battery placement seat capable of being automatically adjusted according to use conditions, and belongs to the technical field of new energy automobile battery placement seats, the new energy automobile battery placement seat comprises a base, a heat dissipation window is formed in a seat body, adjusting plates corresponding to the heat dissipation window are uniformly arranged on the seat body, and a dustproof seat corresponding to the heat dissipation window is connected to the seat body; adsorption brushes are evenly connected to the dustproofseat, and friction rings corresponding to the adsorption brushes are rotationally connected to the dustproof seat. According to the new energy automobile battery placement seat capable of being automatically adjusted according to the use condition, a driving piece is used for driving an adjusting plate, and the combined effect of a movable limiting column, a friction ring, an adsorption brush andan annular collecting box is combined, so that the problems that a large amount of dust and impurities enter the battery placement seat from a long-term opened heat dissipation window, and the heat dissipation effect of the battery is influenced, and accidental electricity prevention of the battery is caused are effectively solved, so that the service life of the battery is greatly prolonged, thesafety of the battery in use is greatly improved, and the utilization rate of energy consumption is greatly increased.

The invention discloses an aluminum heat exchanger pipeline of which the inner wall is provided with an anticorrosive coating. The anticorrosive coating made of liquid paint is arranged on the inner wall of the pipeline. A processing method of the pipeline includes the steps of preprocessing, pipeline interior painting, curing and the like. Water is prevented from directly making contact with the aluminum surface of the inner wall of the aluminum heat exchanger pipeline through the anticorrosive coating, base materials on the inner wall of the pipeline is protected, the pipeline can be effectively prevented from corrosion perforation by poor-quality water, and therefore the service life of an aluminum heat exchanger is prolonged.

The invention relates to the technical field of dust purification, and discloses a manufacturing process of a boiler dust collection device. The manufacturing process of the boiler dust collection device comprises the following steps: (1) selecting materials; (2) processing: processing an exhaust port in a box body, then fixedly connecting a cloth bag in the box body, and machining air inlets in an ash bucket, wherein the number of the air inlets is determined according to the size of the ash bucket, and the size of the air inlets is selected according to the treatment air volume and the dustygas property; (3) assembling: fixedly connecting the ash bucket, a cooling barrel and a fire extinguishing barrel to a rack, then communicating the fire extinguishing barrel with the cooling barrel and the air inlets, hoisting the box body to the upper part of the ash bucket, and fixedly connecting and communicating the box body with the ash bucket, wherein the numbers of the cooling barrel and the fire extinguishing barrel are determined according to the number of the air inlets; (4) testing performances: firstly detecting the stability of the device, and then detecting the temperature of the gas entering the ash bucket; and (5) warehousing. The problems that in the prior art, a cloth bag of a boiler dust collection device is prone to damage, and the device is unstable and low in workingefficiency are solved.

The invention provides an energy feedback device open-circuit fault diagnosis method and device and a storage medium. The method comprises the following steps: acquiring a three-phase current waveformof a pulse width modulation (PWM) rectifier of the energy feedback power supply device; determining a fault characteristic quantity of the three-phase current waveform; and inputting the fault characteristic quantity into a target neural network model to obtain a real-time fault diagnosis result of the PWM rectifier. According to the method, the open-circuit fault of the switching device can be diagnosed, the fault operation time of the energy feedback power supply device can be effectively shortened, and the operation risk of the energy feedback power supply device is reduced.

A discharging roller comprises a roller shaft and at least three fan-shaped bodies arranged on the peripheral face of the roller shaft, wherein the fan-shaped bodies are sequentially arranged at intervals so that every two adjacent fan-shaped bodies can be matched with each other, and a partition groove can be formed between every two adjacent fan-shaped bodies; an inverted insertion plate is arranged at the position, where each partition groove is located, of the discharging roller, so that particulate matters falling into the partition grooves are prevented from being discharged outwards in the opening direction of the partition grooves; and the end faces of the sides, away from the roller shaft, of the fan-shaped bodies are arranged on the same arc face so as to form a supporting roller face of the discharging roller, and a conveying belt can be connected to the supporting roller face in a sleeved mode. According to the discharging device, particulate matters entering the position between the conveying belt and the discharging roller can be automatically discharged, and then the conveying belt assembled on the discharging roller is effectively protected, and the effect of prolonging the service life is achieved; and meanwhile, the discharging roller is simple in structure and convenient to produce and manufacture, so that the use requirements of enterprises are further met.

The invention discloses a moxibustion physiotherapy instrument. The instrument comprises a cabinet. The bottom of the cabinet is equipped with an exhaust fan. A housing of the cabinet is provided withan air exhaust opening facing the exhaust fan. The interior of the exhaust fan is equipped with at least two drawers which are vertically arranged side by side. The drawers are located right above the exhaust fan. A filter core is disposed in each drawer. A smoke pipe is fixed at the top of the cabinet. A gas channel is formed by the lower end of the smoke pipe, all the drawers and filter cores inside the drawers, an air inlet and an air outlet of the exhaust fan. A smoking cover is installed at the upper end of the smoke pipe. A support is arranged on the cabinet. A moxa stick fixing deviceis arranged on the support. All levels of filter cores are arranged in corresponding drawers by vertically arranging the multiple drawers side by side in the cabinet. The moxa stick fixing device is formed by a clip. By newly designing the structure of a support, the moxibustion physiotherapy instrument is more convenient and flexible to use and used for a longer period of time. Therefore, moxibustion physiotherapy effect is effectively enhanced.