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447results about How to "Improve finishing effect" patented technology

Complex curved face grinding and polishing system and method

The invention relates to a complex curved face grinding and polishing system and method. The system comprises a three-degree-of-freedom manipulator, a visual detection device, a vibrating sensor and a three-degree-of-freedom tool platform. An installation clamp is arranged at the tail end of the manipulator and can install an oilstone, a polishing wheel and a grinding wheel. The visual detection device comprises a laser generating device and a binocular camera, is installed on the manipulator, and detects the outline and roughness of a workpiece. During working, the workpiece is installed on the three-degree-of-freedom tool platform. The visual detection device guides the manipulator to scan the outline of the workpiece, a three-dimensional outline data model is generated, and the roughness is analyzed. Polishing or grinding setting can be conducted on a work station. During grinding, setting can be conducted in three modes that a referential three-dimensional data model is compared with an actually measured workpiece three-dimensional data model, modification is conducted on the actually measured three-dimensional data model with a drawing tool, and grinding data are directly set on the actually measured three-dimensional data model.
Owner:上海莫亭机器人科技有限公司

Multi-unmanned aerial vehicle cooperative task allocation method based on improved genetic algorithm

InactiveCN110766254AImprove collaborationSolving the Problem of Efficient Resource AllocationResourcesPosition/course control in three dimensionsSimulationGenetics algorithms
The invention provides a multi-unmanned aerial vehicle cooperative task allocation method based on an improved genetic algorithm. The method comprises the following three steps: establishing constraint equations such as the minimum turning radius of an unmanned aerial vehicle and the number of tasks required by a target, and a multi-unmanned aerial vehicle cooperative task allocation model based on Dubins flight path cost; generating an initial population of a predetermined scale conforming to model constraint conditions; taking the Dubins track path cost of the unmanned aerial vehicle as a fitness function, and iteratively updating the initial population by using genetic operations such as elite strategy, selection, crossover, variation and the like of an improved genetic algorithm to generate a feasible solution which minimizes the target function in fixed iteration times, and taking the feasible solution as a result of multi-unmanned aerial vehicle cooperative task allocation and route planning. The method has wide application value in multi-unmanned aerial vehicle cooperative task combat, is beneficial to implementation of multi-unmanned aerial vehicle multi-target cooperativetask execution, and improves the task completion efficiency. The method has important significance in the field of multi-unmanned aerial vehicle cooperative control.
Owner:深圳市白麓嵩天科技有限责任公司

Novel pilot test setter

InactiveCN101660253AReach the gram weight requirementRequirements for Achieving Buffer ExpansionHeating/cooling textile fabricsStretchingEngineeringFar infrared
The invention discloses a novel pilot test setter which belongs to the technical field of pilot test dyeing equipment and is characterized by comprising a rack, cloth over-feeding actuating devices, sectional type stretch expanders, an infrared oven and a cloth discharge cooling device, wherein a cloth feeding barrel and a cloth discharging barrel are installed at two ends of the rack so as to beused for arranging cloth samples, an actuating device is installed on the rack and used for connecting a cloth feeding end with a cloth discharging end so as to complete the delivery of the cloth samples; the cloth over-feeding actuating devices are sequentially installed along the actuating device from the cloth feeding end to the cloth discharging end, and installed at the cloth feeding end, adjust the linear velocity when the cloth samples enter and realize over-feeding function; the sectional type stretch expanders are installed at two sides of the infrared oven and realize buffering expansion; and the infrared oven is arranged in way of double layer (an upper layer and a lower layer), and conducts infrared drying and setting. The novel pilot test setter integrates the technologies ofheating by far infrared radiation, overfeeding and sectional expansion into a whole, and has the advantages of quick heating rate, short processing time, low energy consumption, high processing efficiency and good finishing effect.
Owner:CHINA TEXTILE ACAD JIANGNAN BRANCH +1

Method for synthesizing novel reactive ultraviolet absorbent and application thereof

The invention relates to a method for synthesizing 4-(4,6-dichloro-1,3,5-triazine-2-oxo)-2-hydroxyl phenyl benzophenone serving as a novel reactive ultraviolet absorbent (UV-DTHM) and application of the UV-DTHM to the uvioresistant arrangement of cotton fabrics, and belongs to the technical field of functional aids. The method comprises the following steps of: performing etherification reaction of diphenyl ketone (UV-O) and trichloro-s-triazine (CYC) which serve as raw materials under the catalysis of sodium hydroxide, wherein a ratio of UV-O to CYC to NaOH is 1:2.0:1.5; reacting in a mixed solvent of acetone and water at the temperature of 0 DEG C for 5 hours to obtain the UV-DTHM, and the yield of the UV-DTHM is 82.5 percent. The UV-DTHM has the excellent ultraviolet absorption performance, and is high in heat stability; and active groups are contained in a molecular structure and can be reacted with substances containing groups such as animo, hydroxyl and the like. The UV-DTHM is applied to the uvioresistant arrangement of white cotton fabrics to achieve an excellent uvioresistant effect (the value of an ultraviolet protective factor (UPF) reaches 67), and the UPF value is kept at 43+/-3 basically after the cotton fabrics are soaped for 30 times, so the UV-DTHM has an excellent soaping-resistant effect.
Owner:JIANGNAN UNIV

Gas-floatation rotational-flow coalescence composite type sewage oil-removing device

The invention discloses a gas-floatation rotational-flow coalescence composite type sewage oil-removing device. The gas-floatation rotational-flow coalescence composite type sewage oil-removing device mainly comprises a multifunctional separating tank, a two-stage gas-water mixing device and an adjusting and control box, wherein liquid inlets are formed in the middle-upper part of the multifunctional separating tank, an oil outlet is formed in the middle part of the multifunctional separating tank, a water-soluble gas circulation device, a sewage discharging port is formed in the bottom of the multifunctional separating tank, and an gas exhaust port is formed in and a communicating pipe is arranged at the top part of the multifunctional separating tank. The multifunctional separating tank is internally provided with an inner rotational-flow drum, and the bottom of the multifunctional separating tank is connected with an oil outlet pipe. A gas mist catcher is arranged above the inner rotational-flow drum; a water collector at the lower part of the multifunctional separating tank is respectively connected with a water outlet and a circulatign water outlet of the multifunctional separating tank; a gas exhaust port in the top part of the separating tank is connected with an inlet of the two-stage gas-water mixing device by a pipeline. The water outlet of the separating tank is connected with a water inlet of the adjusting and control box at the side, and the top part of the adjusting and control box is communicated with the top part of the separating tank. The gas-floatation rotational-flow coalescence composite type sewage oil-removing device disclosed by the invention has the advantage that the technical problems of low efficiency, poor intensiveness, unstable operation and the like in the rotational-flow gas-floatation integration combined oil-removing technical equipment can be solved.
Owner:CHINA OIL HBP SCI & TECH CO LTD +1

Efficient tea leaf de-enzyming machine with humidifying device

InactiveCN105192119AFully heatedImprove the killing effect and efficiencyPre-extraction tea treatmentDrive motorEnzyme
The invention discloses an efficient tea leaf de-enzyming machine with a humidifying device. The de-enzyming machine comprises a de-enzyming cylinder, an inner cylinder and an outer cylinder. The de-enzyming cylinder is of a double-layer structure and comprises the inner cylinder and the outer cylinder. The inner cylinder and the outer cylinder are coaxially arranged, an electric heating layer is arranged between the inner cylinder and the outer cylinder, a feeding hopper is connected with the left end of the upper side of the inner cylinder, the left end of the inner cylinder is connected with a drive motor through a rotary shaft, and the rotary shaft is horizontally arranged in the center of the interior of the inner cylinder. According to the efficient tea leaf de-enzyming machine with the humidifying device, the inner cylinder and the rotary shaft rotate in opposite directions, and tea leaves in the inner cylinder are stirred and overturned. Meanwhile, the electric heating layer and hot air are matched to de-enzyme the tea leaves, the tea leaves are fully and evenly heated, the de-enzyming effect is good, efficiency is high, the tea leaves attached to the inner wall of the inner cylinder can be scraped off, and waste of raw materials is avoided. Besides, the tea leaves can be humidified, the situation that quality is affected because the tea leaves are excessively dehydrated is avoided, effective shock absorption can be achieved through a shock-absorbing spring and a shock-absorbing pad, noise is lowered, and the service life of the de-enzyming machine is also prolonged.
Owner:成都米戈科技有限公司

1.8GHz-based TD-LTE (Time Division Long Term Evolution) system used for subway rail communication

The invention discloses a 1.8GHz-based TD-LTE (Time Division Long Term Evolution) system used for subway rail communication, relating to the field of subway rail communication. The TD-LTE system comprises an EPC (Evolved Packet Core), vehicle-mounted terminal equipment and a plurality of LTE base stations, wherein the TD-LTE system works in a 1.8GHz frequency band; the EPC is connected to a CBTC (Communication Based Train Control) system on the ground; the LTE base stations are distributed along a subway rail line and are connected to the EPC through optical fibers after passing through switches; the vehicle-mounted terminal equipment comprises front LTE CPE (Customer Premise Equipment) and rear LTE CPE, wherein the front LTE CPE and the rear LTE CPE are both connected to the vehicle-mounted CBTC system and are connected to the LTE base stations through a wireless network. The TD-LTE system utilizes the special 1.8GHz frequency band, so that a problem of radio interference is avoided from the source, the driving operation safety is guaranteed to the greatest extent, and meanwhile, the future rail transit development trend and the long-term benefit of the operating unit are both considered.
Owner:WUHAN FIBERHOME INFORMATION INTEGRATION TECH CO LTD

Security constraint generation schedule planning method based on water and fire coordination

ActiveCN104299072AReduce the total adjustment range of outputReduce power regulation lossesForecastingResourcesElectricityPower grid
The invention provides a security constraint generation schedule planning method based on water and fire coordination. The method comprises the following steps that power grid basic data are acquired, and electricity demands are determined; based on 'just, fair and open' dispatching and energy-saving dispatching, the electric quantity is balanced, and electric power is adjusted; according to the water and fire coordination constraint demand, the constraint condition of a water and fire coordination joint optimization model is determined; an optimization objective is determined; water and fire coordination joint optimization computing is carried out, and the generation schedule is determined. According to the method, based on the running and planning characteristic of a power grid including a large-scale water and electricity access dispatching mechanism, the water and electricity running and water and fire coordination optimizing characteristics are combined, the optimization objective includes the running cost of a thermal power unit and a hydropower unit and a unit output force adjusting penalty function, peak elimination and valley filling are carried out through coordination of the hydropower unit and the thermal power unit, so that the total adjusting amplitude of output force of the units in the system is reduced, and therefore power adjustment losses of the units in the system are reduced.
Owner:STATE GRID CORP OF CHINA +2

Microwave enzyme-deactivating process for green tea

The invention discloses a microwave enzyme-deactivating process for green tea. The process comprises the following steps: setting the temperature of a microwave warehouse to be more than 200 DEG C and preheating the microwave warehouse; placing 1.5 to 2 kg of fresh tea leaves into the microwave warehouse, adjusting microwave power to be 1500 to 1800 W, stirring the fresh tea leaves, allowing leaf temperature to rapidly rise to more than 80 DEG C and maintaining the temperature for 5 min; shaking the leaves, throwing the enzyme-deactivated leaves upwardly to allow the leaves to scatter in the air and then to naturally fall into the microwave warehouse and repeatedly throwing the leaves until leaf temperature drops to less than 42 DEG C; adjusting the microwave power to be 2000 to 2200 W and stewing the leaves; and taking the enzyme-deactivated leaves out of the microwave warehouse when water content in the leaves is in a range of 55 to 60%. The process provided by the invention terminates metabolism of the tea leaves, allows substances related to tea quality to maintain optimal, removes grassy smell and retains original tea fragrance of the green tea; the prepared green tea has a good color, almost being dark blue, and has no burnt leaves; moisture in the leaves gradually decreases, the tea is soft and is difficult to triturate during rolling, and the tea naturally curls to form cords.
Owner:绍兴健茗茶业有限公司

Tea fixation automatic control device and fixation method

The invention discloses a tea fixation automatic control device and a fixation method. The tea fixation automatic control device comprises a controller; the controller is connected with a power source module, a temperature sensor, a humidity sensor, a rotation speed sensor, a driving motor of a baking roller and a heating device; the controller is connected with a monitoring terminal through an RS-232 serial communication module; the temperature sensor and the humidity sensor are used for detecting the temperature of the surface of the roller and detecting humidity in the roller respectively; and the rotation speed sensor is used for detecting the rotation speed of the roller. According to the tea fixation automatic control device and the fixation method of the invention, the temperature sensor, the humidity sensor and automatic control on rotation speed are adopted, so that fixation is more uniform, a fixation effect is greatly improved, and the problems of judgment error, poor fixation uniformity, poor fixation effect and low tea quality caused by manual control in the prior art can be solved effectively. The tea fixation automatic control device and the fixation method have the advantages of simple structure, low cost and quick and convenient operation and use.
Owner:GUIZHOU UNIV

Finishing method for non-woven fabrics with high isolation performance and materials of non-woven fabrics with high isolation performance

ActiveCN102995400ALittle impact on air permeabilityReduce consumptionFibre treatmentAlcoholEngineering
The invention relates to a finishing method for non-woven fabrics with high isolation performance and materials of the non-woven fabrics with the high isolation performance. The finishing method combines on-line liquid feeding and normal-pressure low-temperature plasma processing, carries out normal-pressure low-temperature plasma processing before or after on-line liquid feeding, and forms a fluorine-containing polymer layer on the surface of the non-woven fabrics, so as to realize high isolation performance. The invention provides the finishing method for the non-woven fabrics which is novel, simple in process and good in finishing effect. Compared with the traditional saturated steeping, the finishing method has small influences on the non-woven fabrics, is high in production efficiency and has low energy consumption; compared with the existing plasma processing method, vacuum conditions are not needed, on-line liquid feeding is directly carried out, and low-temperature plasma processing is directly carried out under normal pressure, and other additional equipment conditions are not needed; and the contact angle between the prepared non-woven fabrics with high isolation performance and water can reach 120-160 degrees, and the prepared non-woven fabrics with high isolation performance has good air permeability and soft and comfortable feel, can reach requirements for resisting alcohol, oil and blood of each industry, and can well meet the large-scale industrial production.
Owner:SHANDONG JUNFU NONWOVEN MATERIALS

Processing technology for reducing Guangdong big-leaf green tea bitterness

InactiveCN107047835AShorten the time for finishingShorten the timePre-extraction tea treatmentTanninCaffeine
The invention belongs to the field of tea processing, and particularly relates to a processing technology for reducing Guangdong big-leaf green tea bitterness. The technology comprises the steps that fresh picked tea leaves are spread for 4-6 h till the water content of the tea-green color is 70-80%, the tea leaves are put into a fixation machine with the temperature increased to 230-260 DEG C to perform fixation; the tea leaves are spread and aired for 1-2 h after fixation is performed for 1-2 h, non-pressure empty rolling and light rolling are adopted, non-pressure light sequential rolling is performed for 20-30 min, and deblocking is performed; the tea leaves obtained after rolling need to be stacked for 1-2 h, and the stacking thickness is 10-20 cm; initial drying is performed, and the tea leaves are taken out and spread till the water content of the tea leaves is 20-30%, the water inside the tea leaves is distributed again, the stacking thickness is 2-4 cm, and drying is performed after stacking is performed for 20-40 min till the water content is not larger than 6%. According to the processing procedures, the probability that extra bitterness of the tea leaves is generated is lowered, the tea leaves are instantly in contact at high temperature during fixation, spreading is performed after fixation, and stacking is performed after rolling is performed, so that the content of caffeine and tea tannin in tea leaves is lowered, and therefore the bitterness of the tea leaves and tea soup is lowered.
Owner:TEA RES INST GUANGDONG ACAD OF AGRI SCI

Oil pump gear shaft spiral flow type barrel finishing jig device and method

The invention discloses an oil pump gear shaft spiral flow type barrel finishing jig device and method. The oil pump gear shaft spiral flow type barrel finishing jig device comprises a cam mechanism and a jig body. With the cam mechanism, it is achieved that the whole jig body can carry out perpendicular reciprocating motion additionally while carrying out rotation motion, and therefore, the effect of finishing carried out on the upper end face and the lower end face of a gear can be remarkably improved. The jig body comprises a jig shaft, an upper center disk, clamping adjustment mechanisms, lower centers and a lower center disk. More than one part can be clamped between the upper center disk and the lower center disk, and therefore, the production efficiency is high. Through two steps of adjustment, including coarse adjustment and fine adjustment, carried out on the distance between the upper center disk and the lower center disk, the parts can be controlled to rotate or not in the machining process, and the technological performance of finishing is greatly improved. After the oil pump gear shaft spiral flow type barrel finishing jig device is used for machining gear shafts, tooth surfaces, especially the upper end faces and the lower end faces of gears are good in machining effect.
Owner:LANGFANG NORTH TIANYU ELECTROMECHANICAL TECH
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