426results about How to "Improve use efficiency" patented technology

The use of a turbulent contactor to absorb a selected gas component from a gas stream. The invention particularly applies to a method of distributing a liquid into a gas stream which comprises providing a liquid to an annulus at the periphery of a pipe in which a gas stream is flowing, the gas flow drawing the liquid into a film along the inner surface of the pipe to a sharp edge at the end of the pipe at which point the liquid breaks off the surface of the pipe and mixes intimately with the gas.

A multifunctional chair comprises a base adapted to rest on the ground; a support frame including a seat part and a backrest part pivotally attached to the seat part; a leg frame supporting the support frame and including a rear leg having a first end pivotally connected to the backrest part and a second end pivotally connected to the base; and a power-operated telescopic device including a telescopic member pivotally connected to the seat part and being operable to maintain the seat part at a level lower than said backrest in a normal position providing a chair function, or to move the seat part to a first raised position in which the seat part together with the backrest part are placed in a substantially horizontal position, or to a second raised position in which the seat part together with the backrest part are inclined at substantially the same inclining angle.

The invention relates to a dynamic traffic simulation platform which comprises a perception layer, a fusion layer, an application layer and a presentation layer. The perception layer is connected with a dynamic traffic data collecting device, multivariate heterogeneous traffic flow data are obtained and transmitted to the fusion layer in real time, and the fusion layer is connected with the application layer. The multivariate heterogeneous traffic flow data and GIS data are received for processing, the application layer obtains road network dynamic traffic flow data, and a traffic simulation model is formed. Through the traffic simulation model and a traffic OD matrix, dynamic traffic simulation is performed, and the presentation layer receives the traffic simulation result of the dynamic traffic simulation in the application layer, and provides service application and presentation to a terminal client. The problem that in the prior art, a large number of real-time dynamic traffic data can not be rapidly matched with a road section well is solved. Therefore, the multifunctional dynamic traffic simulation platform is capable of performing OD back stepping and real-time dynamic traffic early warning on dynamic traffic flows on the basis of a GIS grid rapid matching technology.

The invention discloses a hotel rapid accommodation system and method. The system comprises: a cloud server, an intelligent hotel rapid accommodation machine, an intelligent mobile terminal, and an intelligent door lock. The intelligent mobile terminal is used for issuing room reservation and check out applications for an application server, and deblocking an intelligent door lock through key verification; the intelligent hotel rapid accommodation machine is used for verifying user identity and fingerprint based on geographical positions; the intelligent door lock is used for receiving the debloking request sent by the intelligent mobile terminal, and providing deblocking for a user according to a deblocking request; the cloud server is used for receiving and processing the deblocking request of the intelligent mobile terminal, synchronizing the door lock state information in the intelligent door lock, and providing geographical position information of the intelligent hotel rapid accommodation machine. The system shortens hotel accommodation processes for users, and allows the users to have more time to enjoy hotel services. An original user intelligent mobile terminal is employed, so that a user does not need to take a room card, thereby improving user experiences and satisfaction.

The invention relates to an intelligent segmental temperature control system of a wind power blade die, which is provided based on the technical theory that segmental temperature control is bound to be carried out based on the differences on the formed region thickness of a designed blade structure and the energy-saving purpose can be achieved by lowering the dependence on external heating in a curing manufacturing procedure by utilizing the reaction exothermic character of a matrix material. To achieve the purpose, the invention adopts the technical measures of the construction of a die segmental temperature control pipeline, which ensures that each temperature segment can be heated or cooled independently based on requirements on thermal energy in the curing manufacturing procedure; the establishment of an intelligent temperature control system, wherein temperature and hardness data of the die and a blade shell can be captured to judge whether heating setting, exothermic peak initiating temperature and the states of completion degree, gel curing degree and the like are completed or conform to design values; and antecedent technical measures, wherein energy consumption is saved by utilizing the reaction heat of materials per se to heat and reaction and temperature control are combined to match the design of a temperature curve, which are helpful for obtaining the blades with uniform curing and excellent quality and can improve the production efficiency as a characteristic.

A braking system with a selectable airplane brake mode comprises a hydraulic brake valve, a hydraulic control valve, an electro-hydraulic servo valve, a control box and an airplane wheel speed sensor, wherein the control box, the electro-hydraulic servo valve and the airplane wheel speed sensor form a brake anti-slip control part. A small brake apparatus is selected to run through the hydraulic control valve so as to achieve partial braking of airplane wheels or a small brake apparatus and a big brake apparatus are selected to run simultaneously so as to achieve all braking of airplane wheels. A hydraulic pipeline for the braking system output to an airplane wheel brake apparatus is divided into a small brake apparatus hydraulic pipeline and a big brake apparatus hydraulic pipeline, wherein the small brake apparatus hydraulic pipeline keeps unblocked, and on-off of the big brake apparatus hydraulic pipeline is controlled by a control device so as to achieve selection of the airplane brake mode; the problems that an existing single-wheel single-side-brake carbon brake disc has serious abrasion and the service life is short are solved; the service life of the carbon brake disc is prolonged, and the economic benefit of the carbon brake disc is improved.

The invention relates to a single-wheel dual-brake electronic transmission brake system of an aircraft, capable of choosing a braking manner. A brake antiskid control system is formed by an aircraft wheel speed sensor, a control box and an electro-hydraulic servo valve; a brake control system is formed by a braking instruction sensor, the control box and the electro-hydraulic servo valve. The electro-hydraulic servo valve responds to an electric current control signal of the control box to output and adjust the braking pressure outputted to a braking aircraft wheel; braking selection is realized through a hydraulic control valve; a hydraulic braking valve is replaced with the braking instruction sensor; and the electro-hydraulic servo valve is a positive gain valve. The single-wheel dual-brake electronic transmission brake system disclosed by the invention is suitable for a single-wheel dual-brake aircraft wheel using a carbon brake; the requirements for selective brake use of the single-wheel dual-brake aircraft wheel can be met, and the using conditions of a carbon disk is adjusted, so that the good characteristics of wear resistance of a carbon-carbon composite friction material can be fully exerted, the difficult problems that a conventional single-wheel single-brake carbon brake disk is high in wear and short in service life are effectively solved, the service life of the carbon disk is prolonged, and the economic benefits of the carbon disk are improved.

An airplane wheel fly-by-wire operation brake system capable of selecting brake modes comprises a brake instruction sensor, a control box, an electro-hydraulic servo valve, an electromagnetic valve, an airplane wheel speed sensor and a pressure sensor. The airplane wheel speed sensor, the control box and the electro-hydraulic servo valve form a brake anti-slip control part. The control box and the electromagnetic valve conducts oil path opening and closing through a brake pressure control method to control an airplane to be partly braked through a small brake device or achieve complete brake through a large brake device. The brake pressure value is set to be 40-65% of normal brake pressure. The system is suitable for a single-wheel double-brake airplane wheel with a carbon brake, can meet the requirement that the single-wheel double-brake airplane wheel selects and uses the brake so that the use state of a carbon disc can be adjusted, the good characteristic of abrasion resistance of a carbon-carbon composite friction material is given full play to, the problems that an existing single-wheel single-brake carbon brake disc is large in abrasion and short in service life are effectively solved, the service life of the carbon disc is prolonged, and economic benefits of the carbon disc are improved.

The invention discloses a split-range drying method for paddy. The method has the technical points: performing preliminary cleaning and hot air drying on harvested high-moisture paddy, tempering, redrying and retempering the paddy, and keeping the ratio of the drying time to the tampering time within the range from 1 to 6 until the moisture content is reduced to 18.5 to 18 percent; conveying the paddy into a paddy temporary storage warehouse for slow cooling, ventilation and temporary storage; performing the hot air drying on the paddy of the temporary storage warehouse with a dryer after the paddy harvest season, retempering, drying and retempering the paddy, keeping the ratio of the drying time to the tampering time within the range from 1 to 8 until the moisture of the paddy is reduced to be below 14.5 percent; and conveying the paddy to a warehouse for storage. The method has the advantages of improving the moisture reducing rate and the utilization efficiency of the paddy dryer, reducing the loss after the paddy production caused by high moisture during the concentrated paddy harvest season, ensuring the safety for dry storage of the foodstuffs and having obvious economic benefit and social benefit on the premise of ensuring the drying quality of the paddy.

The invention relates to a classifier for automatically testing wafers, which comprises a feeding box, a receiving box and an empty box arranged at the front end of a stand. The feeding box is used for placing wafers to be tested, the receiving box is used for placing the tested wafers with different levels, while the empty box can receive an empty charging tray at the feeding box or an empty charging tray needing to supplement the receiving box. In addition, a test device is arranged at the back end of the stand, and is provided with a tester and a probe capable of lifting; two transfer devices capable of moving between a transportation area and the test device transfer the wafers to be tested alternately to the test device to test, and transfer the wafers after being tested to the transportation area; and a pick-and-place device is used for picking the wafers to be tested on the feeding box and placing the wafers on the two transfer devices, and picking and placing the tested wafers on the two transfer devices to the receiving boxes with different levels respectively according to the test result. Therefore, the classifier can ensure quality of the tested articles and effectively promote working convenience and usage benefit of productivity.

The invention discloses an MR (magnetic resonance) image three-dimensional interactive segmenting method for random walks and graph cuts based active contour model, comprising the steps of S1, selecting a seed point to capture local three-dimensional MR image data including pituitary adenomas in order to acquire a segmented initial boundary surface; S2, establishing a hybrid active contour model based on the initial boundary surface to obtain a model energy function; S3, discretizing the model energy function; S4, using each pixel of the captured local three-dimensional MR image as an image node, and using 6 neighborhoods of each pixel to construct an image; giving an initial value to each of the pixels inside and outside the initial boundary surface; giving a corresponding weight to each of sides connecting between the nodes, between the nodes and source points and between the nodes and meeting points according to the discretized energy function; S5, performing image segmentation computing based on the constructed mage to obtain segmentation results, and extracting boundary surface form the segmentation results to obtain a segmented contour; S6, replacing the initial boundary surface of S1 with the current segmented contour, and repeating the steps S2 to S5 until the segmentation results converge to obtain a final segmented contour. By using the method of the invention, it is possible to provide three-dimensional segmentation for MR images of pituitary adenomas, and provide more accurate segmentation for the images of pituitary adenomas.

The invention discloses an energy management and intelligent control-based solar cooling tower, which comprises a solar battery, a first motor, a water pump, a second motor and speed reducer, a fan, a hybrid converter connected with the output end of the solar battery, an intelligent controller, and a sensor group; the output end of the hybrid converter is connected with the input ends of the first motor and the second motor and speed reducer; the signal output end of the sensor group is connected with the signal input end of the intelligent controller; the output end of the intelligent controller is connected with the signal input end of the hybrid converter; and the signal output end of the hybrid converter is connected with the signal input end of the intelligent controller. In the control process, the intelligent controller reasonably distributes the flowing direction of the electric energy through the hybrid converter by an energy management method, and performs intelligent speedregulating control on the first motor and the second motor and speed reducer by a water inlet temperature negative feedback method and a minimum enthalpy difference control method, and an energy-saving effect is achieved on the premise of ensuring operating reliability.

The invention relates to a dual-brake system for a single-wheel brake of an aircraft. A brake antiskid control part is formed by an aircraft wheel speed sensor, a control box and an electro-hydraulic servo valve; and the aircraft wheel speed sensor, the control box and an electromagnetic valve are used for realizing braking selection of a braking aircraft wheel through adopting an aircraft braking speed control method. According to the dual-brake system disclosed by the invention, a hydraulic pipeline through which a brake system is outputted to an aircraft wheel brake device is divided into a small brake device hydraulic pipeline and a large brake device hydraulic pipeline, the small brake device hydraulic pipeline is kept unblocked, and the on-off of the large brake device hydraulic pipeline is controlled by a control device, so that the function that when the airplane slides on the ground, only the small brake device runs, and in other situations, all the brake devices run is realized, and therefore the purposes that during sliding braking, the wear of a carbon disk is reduced, and the service life of the carbon disk is prolonged are achieved. According to the dual-brake system disclosed by the invention, the difficult problems that a conventional single-wheel single-brake carbon brake disk is high in wear and short in service life are effectively solved, the service life of the carbon disk is prolonged, and the economic benefits of the carbon disk are improved.

Provided is an airplane wheel brake system capable of selecting a slipping braking mode according to braking pressure. The airplane wheel brake system comprises a hydraulic brake valve, an electro-hydraulic servo valve, a control box, a magnetic valve, a pressure sensor and an airplane wheel speed sensor. The control box, the electro-hydraulic servo valve and the airplane wheel speed sensor form a brake slipping prevention control part. The magnetic valve, the pressure sensor and the control box are used for achieving braking selection for a brake airplane wheel. The pressure sensor is installed on a hydraulic pipeline at a brake opening of the electro-hydraulic servo valve. The hydraulic pipeline delivered from the brake system to an airplane wheel brake device is divided into two paths, and the two paths communicate with a small brake device oil inlet and a large brake device oil inlet correspondingly. By controlling the two paths of the hydraulic pipeline, only a small brake device operates when an airplane glides on the ground, and the two brake devices operate simultaneously under other situations, abrasion to a carton plate during slipping braking is reduced, and the service life of the carbon plate is prolonged. The problems that an existing carbon brake plate for a single-wheel single-brake mode is badly abraded and is short in service life are solved, the service life of the carbon plate is prolonged, and the economic benefits of the carbon plate are increased.

The invention provides a bainite steel wheel for high-tenacity rail transit and a manufacture method thereof. The bainite steel wheel comprises 0.10-0.40% of C, 1.00-2.00% of Si, 1.00-2.50% of Mn, 0.20-1.00% of Ni, 0.001-0.040% of RE, smaller than or equal to 0.020% of P, smaller than or equal to 0.020% of S and the balance of Fe and unavoidable residual elements, wherein Si plus Ni is larger than or equal to 1.50% and smaller than or equal to 2.50%, and Si plus Mn is larger than or equal to 2.00% and smaller than or equal to 4.00%. Compared with the prior art, the bainite steel wheel has the advantages that through a heat treatment technology, a rim of the wheel has a non-carbide bainite structure; spokes and a hub have metallographic structures taking granular bainites and supersaturated ferrites as main components; the wheel has high comprehensive mechanical properties, such as yield strength, tenacity and low-temperature tenacity; and besides, the cost is reduced, the service life of the wheel is prolonged, and comprehensive benefits are increased.

The invention discloses a rotary apparatus capable of adjusting a camera 360 degrees. A pitching mechanism is installed on a yam mechanism. Two baseline adjusting mechanisms are mounted at two sides of the pitching mechanism. Each baseline adjusting mechanism is provided with a camera. A yaw motor is eccentrically mounted on a base supporting rack and is connected with a pinion through a yam decelerator. An internal gear of a rotating shaft is engaged with the pinion. The rotating shaft is fixedly connected with a pitching supporting rack. A pitching motor is connected with a worm. A worm gear is fixedly connected with baseline adjustment supporting racks of the two baseline adjusting mechanisms. A linear guideway is arranged in each of the baseline adjustment supporting rack. The cameras are connected on corresponding linear guideways and move along the linear guideways. A connecting pinhole on a packaging shell is connected with a location pinhole of the baseline adjustment supporting rack through a spring positioning pin. According to the invention, camera adjusting scope is wide, the camera can shoot from different angles, and service efficiency is good. The rotary apparatus is small in volume and light in weight, is convenient to carry and use, and has advantages of use convenience, strong versatility and good interchangeability.