62results about How to "Consistent lifespan" patented technology

The invention discloses a lead-acid cell grouping method, comprising the following steps: detecting and recording static the voltage of a cell; detecting and recording the internal resistance of the cell; carrying out transient pulse discharging for one or more times on the lead-acid cell at different currents and discharging times; recording one or more data of discharging terminal voltage, discharging volume and discharging energy each time; after discharging detection, grouping the cell according to the difference range of one or more parameters of static voltage, internal resistance, discharging terminal voltage, discharging volume and discharging energy. The grouped cell group has high uniformity and long service life; the method is simple; and the required test device is easily realized and has strong operability.

The invention discloses a manufacture method of a Z-shaped steel sheet pile through continuous cold roll forming by continuously rolling and forming with a cold bending unit and distributing preliminary shafts at both sides of a central shaft. Web plates are continuous so as to greatly improve the modulus and the flexible rigidity of a cross section and fully exert the mechanical characteristic of the cross section. The manufacture process takes great effects in aspects, such as controlling the quality of the cold-bent Z-shaped steel sheet pile, improving the matched accuracy and the connection strength of the preliminary shafts of the steel sheet pile, and the like. The invention controls the product size and overcomes the defects generated in the processing process by performing the preliminary shafts of the cold-bent Z-shaped steel sheet pile and wholly forming the Z-shaped steel sheet pile.

A continuous cold-roll forming method for a stainless steel side wall bottom edge beam is characterized in that the stainless steel side wall bottom edge beam is continuously rolled and deformed step by step through rollers by means of continuous cold-roll forming, an upper roller and a lower roller are used for roll forming pairwise during deformation, and a vertical guide roller and a lateral vertical roller are used in a matched manner. The continuous cold-roll forming method has the advantages that the stainless steel side wall bottom edge beam is fine in uniformity and stable in quality and is not limited in length, torsion generated in production is avoided, right-angle change is reasonable, and the stainless steel side wall bottom edge beam is long in service life.

The invention discloses a continuous roll cold bending forming method for stainless steel corrugated plates, which is characterized in that: continuous roll cold bending forming is adopted to produce roll-bent deformation pass by pass continuously by using a roll; upper and lower roll opposite rolling forming is adopted in a deformation process; and a guide vertical roll and a lateral roll are adopted at the same time. The method has the advantages of high product consistency, stable quality, unlimited length, reasonable straight angle change and arrangement and long equipment service life.

The present invention discloses an integration serial-parallel combination type electrolytic tank. Inside a closing barrel, there are provided electrode plates with identical plate number and contour dimension, which are serial-parallel combinated with identical space length to A zone and B zone or opposite direction setup double- serial-parallel combinated to B zone, A zone, A zone and B zone, wherein the electrode plates are isolated from the closing barrel inner walls by an insulation ring, the anodic leadout bar for connecting the anodic electrode plates is leaded-out of the closing barrel through an insulated isolation tube, conduit tubes and the like and is then locked, the closing barrel is equiopped wth liquid intake, gas-liquid out spout and cathode screw rod, the end sheets at both ends and the electrode plates are equipped with guide holes, liquid guide holes, gas guide holes and leading holes thereon. Since a reasonable combination type inner serial-parallel electrolytic tank structural is adopted and hermeticity, bearing, insulativity and electrode material utilization of the electrolytic tank are taken thoroughly into accound, a system with compact complete texture, high bearing, fine sealing without leakage, identical electrode plates service life, simple and reliable electric(al) service connection can be constituted according to what one needs to efficaciously resolve large-sizing problems of a hydrogen and oxygen making equipment, with reduced floor area.

The invention relates to a method for preparing stained glass grains with discarded and used glass and an application thereof; the method comprises the following steps: 1) placing glass grains which are clean and free from dust in a mixer; 2) mixing the following five materials according to the part by weight: 100-200 parts of polyacrylic emulsion, 2.5-6 parts of aziridine crosslinker, 3-6.5 parts of propyl trimethoxysilane coupling agent, 0.4-0.8 part of polyethylene wax and 25-65 parts of water based color paste evenly, placing the mixture in the mixer to mix with the glass grains for 5-10min; 3) transferring the dyed glass grains with a conveyor to a drying plant to dry for 5-10min at 50-120 DEG C and finally discharging the stained glass grains which are dry and loose, and do not agglomerate.

The invention provides a maintenance method for batteries of a frequency modulation energy storage system. The maintenance method comprises the steps of setting adjusting circuits between battery stacks and between battery clusters in the battery stacks; reading the SOC value, the internal resistance value R and the SOH of each battery or battery module in the energy storage system, judging the deviation amount of the SOC, and carrying out SOC correction on the battery or the battery module with the deviation amount exceeding a limit value; actively adjusting each battery in the same battery cluster to the same SOC value according to the corrected SOC value, and taking the SOC value as the SOC value of the battery cluster; adjusting the SOC values among the battery clusters to the same SOC value; and adjusting the SOC value of each battery stack to a preset value. The daily use of the frequency modulation energy storage system is not affected, the daily charging and discharging energy of the frequency modulation energy storage system can be maximized, the energy waste is further reduced, the service life of each energy storage lithium ion battery is more consistent, and the overall service life of the energy storage system is prolonged.

The invention discloses a part matching performance optimization method and system. The method comprises the steps of detection system testing, size information marking, part classification storage, grouping assembly and the like; and required devices include a measurement unit, a part marking unit, a size information processing unit, a scanning classification unit and an assembly unit. Size information of parts is obtained by measurement, and the size information is marked on parts; the size information processing unit processes part information of a batch measured by the measurement unit, and divides the parts into multiple groups; the scanning classification unit judges the number of part groups by scanning marks on the parts, and then classifies the parts through a classification mechanism; and the assembly unit assembles the parts of the corresponding groups. According to innovation points, on the premise of qualified random matching, the stability of batch part matching performance is improved through the method; and the method is a new method for improving batch performance of products.

The invention discloses a pole-mounted circuit breaker with a built-in isolation switch, and belongs to the technical field of power generation, power transformation or power distribution. A circuit breaker switch, an isolating switch and a transmission mechanism of the isolating switch are arranged in the same sealed box body, the circuit breaker switch comprises an arc extinguishing chamber, anarc extinguishing chamber static end copper guide rod and a contact spring assembly, the isolating switch comprises a moving contact and a static contact, the transmission mechanism comprises a synchronizing shaft, an output crank arm, an insulating pull rod and a rotating assembly, and the whole main loop is loaded in an insulating box. The problems that a common pole-mounted circuit breaker is small in opening distance and cannot serve as a reliable fracture, and an isolation switch and a pole-mounted load switch cannot remove short-circuit faults are solved, rapid mechanical linkage of thecircuit breaker and an isolation knife is achieved, and the condition of achieving the rapid reclosing function is achieved.

The invention discloses an efficient solar cell convenient to test. The efficient solar cell comprises a cell body. A plurality of main grid lines are arranged on the front surface of the cell body. The efficient solar cell is characterized in that a plurality of bonding pads are equidistantly arranged along the length direction of each main grid line. The invention further discloses a device for testing the efficient solar cell. The device is used for testing the efficient solar cell shown in claims 1-2 and is provided with a plurality of probe rows. A plurality of probes are arranged on the probe rows. The probe rows are made of transparent materials, the quantity of the probe rows is consistent with the quantity of the main grid lines of the efficient solar cell, the locations, which correspond to the bonding pads of the efficient solar cell, on each probe row are perforated, the probes are mounted, the diameters of the probes are 2.0-3.0 mm, and spring pressures of the tops of the probes are 1.2-2 N. The efficient solar cell and the device have the advantages that accurate test results can be obtained, the device is long in service life, and the like.

The invention discloses a winding method of heat-shrinkage adhesive tape used for a bent pipe. Three-stage heating processes are adopted, and the three-stage heating temperatures are strictly controlled. A pipe body is preheated in the first-stage heating process; the double faces of the heat-shrinkage adhesive tape are heated in the second-stage heating process; the pipe body wound with the heat-shrinkage adhesive tape is heated in the third-stage heating process, a rolling and grinding process is comprehensively utilized for rolling and grinding the bent pipe in a winding mode, and the feeding size of the bent pipe and the overlapping size of the heat-shrinkage adhesive tape are strictly limited, so that the purposes that the winding precision is high, the surface of a coating layer is flat and smooth and free of wrinkles, warping edges and bubbles, the coating layer overlapping position is flat, excessive glue is sufficient and uniform, and the service life of the heat-shrinkage adhesive tape is consistent with that of the pipe are achieved; and meanwhile, the problems that the labor intensity of manual winding is high, the heat-shrinkage adhesive tape is prone to winding deviation, and winding is not firm are solved.

The invention discloses a novel circulating water pump station system. The novel circulating water pump station system comprises an equipment circulating loop and an air conditioner circulating loop, wherein the equipment circulating loop comprises a left cooling tower, a left Y-shaped filter, a left water pump group, a left self-cleaning filter and cooling equipment; the air conditioner circulating loop comprises a left cooling tower, a right Y-shaped filter, a right water pump group, a right self-cleaning filter and a central air conditioner water chiller; a first left pipe nipple is arranged on one side of the left Y-shaped filter; a second left pipe nipple is arranged on one side of the left self-cleaning filter; a first right pipe nipple is arranged on one side of the right Y-shaped filter; a second right pipe nipple is arranged on one side of the right self-cleaning filter; the left cooling tower is communicated with the right cooling tower through a second middle connecting pipe. The novel circulating water pump station system has the advantages that the two sets of originally independent systems, namely, the air conditioner circulating loop and the equipment circulating loop can be used relatively independently and can be combined into one system, so that the flexibility and reliability of the system are enhanced, and the overall failure rate of the system is lowered.

The invention relates to a lifetime detecting device of a plasma gun, which is characterized in that in the lifetime detecting device that a nozzle component (3) having an electrical conductivity is disposed outside of an electrode to maintain electrical insulation against the electrode, and a nozzle protection cover (4) having an electrical conductivity is disposed outside of the nozzle component (3) to maintain electrical insulation against the nozzle component (3). A voltmeter (7) for detecting the voltage between the nozzle component (3) and the nozzle protection cover (4) is arranged between the nozzle component (3) and the nozzle protection cover (4). The life of the plasma gun (the electrode (2), the nozzle component (3) and the nozzle protection cover (4)) is detected according to the voltage detected by the voltmeter (7).

The invention discloses an automobile exhaust treatment device, and belongs to the technical field of environmental protection equipment. According to the technical scheme, the automobile exhaust treatment device is characterized by comprising a shell internally provided with a heat preservation interlayer and a catalyst carrier arranged in the shell, wherein the catalyst carrier is divided into aplurality of blocks by circulation gaps, and a fixing sleeve communicating with the circulation gaps is assembled at the axis of the catalyst carrier. A control sleeve directly conveys exhaust to themiddle and lower reaches of a catalyst through commnuicating holes, the distance of part of the exhaust penetrating through the catalyst gaps is shortened, and the exhaust resistance is reduced; meanwhile, the amount of harmful pollutants making contact with catalysts at different positions is relatively uniform, and the conversion strength is relatively consistent; when the temperature is too high, an ECU controls a telescopic piece to contract, thus part of the exhaust is directly exhausted through an exhaust opening, the strength of the oxidation reaction in the catalyst is reduced, and the temperature in the catalyst is controlled; and when the blocking pressure in a three-way catalyst is too large, the control sleeve moves, part of the exhaust is directly exhausted, and the pressureof the exhaust end of an engine is reduced.

The embodiment of the invention relates to a control method of a two-way charger for emergency traction of a motor train unit. The method is applied to the motor train unit, wherein the motor train unit comprises a network control system, an alternating current bus, the two-way charger for emergency traction, a storage battery pack, a power battery pack, a direct current load, a traction system alternating current load and an air conditioner alternating current load. The method comprises the steps that four working modes are supported, and charging and discharging operation is conducted on a battery pack or a load on the motor train unit in different modes. According to the embodiment of the invention, forward charging of the storage battery pack and the power battery pack and reverse power supply of the alternating current equipment are realized, and the charging function of the motor train unit is perfected and enhanced.

The invention belongs to the technical field of steel ladle bottom masonry, and discloses a ladle bottom masonry method for prolonging the service life of a steel ladle. First refractory bricks and second refractory bricks are both impact-resistant refractory bricks; the masonry method comprises the following steps that firstly, an edge zone of a central tapping area is built, first refractory bricks are adopted for building from a square brick of a ladle bottom water nozzle of the steel ladle, during building, the first refractory bricks are transversely built till a gap of 200-300 mm is reserved in a steel ladle ventilation brick cup, and a central edge building area is formed; the first refractory bricks are vertically built in the center of the central edge building area; the second refractory bricks are transversely built in a non-impact area around the central edge building area; and corundum castable is poured into the gap reserved in the steel ladle ventilation brick cup. Tight combination is ensured, the scour resistance of the ladle bottom is improved, the service life is longer, and the shutdown of replacing castable at the ladle bottom is eliminated, so that the shutdown frequency of the steel ladle and the consumption of refractory materials of the steel ladle are reduced.

The invention discloses an anti-reversal device of a vertical motor, and the anti-reversal device comprises a brake disc and a rotating disc, wherein the rotating disc is installed on the spindle of the motor, the brake disc is installed on the end cover of the motor, one side of the brake disc is provided with a plurality of stopping blocks with sliding slopes, the rotating disc is arranged above the brake disc, the underside of the rotating disc is provided with a plurality of fixing blocks corresponding to the stopping blocks, and the plurality of fixing blocks are respectively provided with accommodating holes in which stop pins are arranged and slid up and down along the holes. The anti-reversal device of the vertical motor can reach the anti-reversal effect of the vertical motor, and is simplified in structure and convenient to manufacture, at the same time, the noise is controlled and prevented when the motor is started and stopped, and the stop pin and the motor have the same service life for reliable and steady operation.

A recyclable traceable lead-acid storage battery comprises a storage battery main body, a matching plate is arranged on the top surface of the storage battery main body, an anti-theft assembly is embedded into the matching plate, and a sealing cover is packaged outside the anti-theft assembly; the anti-theft assembly comprises a main box body, a self-contained power supply module, a data line, a vibration sensor, a GPS positioning module, a processing module and a communication module, the vibration sensor, the communication module, the GPS positioning module and the processing module are installed at one end in the main box body, and the self-contained power supply module is installed at the other end in the main box body; the GPS positioning module is designed to be of a pluggable structure and applied to the lead-acid storage battery, the lead-acid storage battery with the anti-theft module capable of being recycled for multiple times is achieved, when a battery pack is replaced bya base station, the anti-theft chip in an old battery is taken down and installed in a new battery, a self-contained power supply of the anti-theft module is replaced, and therefore the purpose of recycling is achieved.