34results about How to "Easy to develop and design" patented technology

The invention relates to the field of communication and discloses an iris-recognition-based unlocking method and a system thereof. The iris-recognition-based unlocking method includes the following steps that either or both of a gravity sensor or a gyroscope is / are adopted to detect the state of a mobile terminal; if the mobile terminal is detected to be in the preset state, an infrared camera is switched on, and iris images of a user is obtained; if the obtained iris images are matched with the preset iris images, a screen of the mobile terminal is controlled to be unlocked. According to the iris-recognition-based unlocking method and the system thereof, the iris recognition function of the mobile terminal can be automatically started under the specific condition so that the iris images of the user can be recognized automatically when the user takes up the mobile terminal, coherent unlocking and screen brightening motions are achieved, and the operation mode is relatively convenient.

The invention relates to an adjustable foot-shaped scanner. The technical scheme is that the adjustable foot-shaped scanner comprises a shell part, a scanner rotating part, a scanner machine head and a controller part, wherein the shell part is provided with a sectional foot support part and a heel height adjusting part; the outer side of the shell part is connected with the scanner machine head through the scanner rotating part so as to rotationally scan the sectional foot support part. According to the adjustable foot-shaped scanner disclosed by the invention, foot shapes, especially, deformation generated under the situation that the body weight is borne by feet, in various status can be scanned, so that scanned foot shape data accord more with an actual situation; compared with a common scanner and a foot-shaped scanner which can just stand horizontally, the adjustable foot-shaped scanner has the obvious advantage in respect of obtaining foot shape data; reliable data are provided for subsequently utilizing the foot shape data, convenience is provided for development design and manufacturing of shoemaking industry, and more reliable data reference can be provided for the fields of medical foot shape correction, man-machine engineering foot shape statistics, human body foot research and the like.

The invention discloses a rear torsion beam structure of an automobile. The rear torsion beam structure comprises a transverse beam, wherein longitudinal beams are respectively arranged at two ends of the transverse beam; a lining sleeve is arranged at one end of each longitudinal beam; a shock absorber bracket is arranged at the other end of each longitudinal beam; hub brackets are arranged at the positions close to the shock absorber brackets on the bodies of the longitudinal beams; the transverse sectional surface of the transverse beam takes the shape of an inverted U; the cross section area of the transverse beam is gradually increased from the middle to two ends in a symmetric manner. Due to the adoption of the transverse beam of which the transverse sectional surface is U-shaped, torsion stress can be dispersed, the adjusting difficulty of torsion rigidity can be greatly reduced, and thus development and design of products can be facilitated; meanwhile, as the torsion stress of the transverse beam is mainly concentrated at two ends, and the middle of the transverse beam is relatively slightly stressed, both the requirement on the torsion rigidity of the transverse beam can be ensured and the space occupied by the transverse beam can be effectively reduced due to adoption of a variable cross section structure which has a small middle and large two ends of the transverse beam, and thus other automobile parts around the transverse beam fittings can be arranged conveniently.

The invention discloses a method for solving boiler tail flue abrasion based on gas-solid two-phase flow numerical research, which comprises the following steps: S1, acquiring coal-fired power plant flue design conditions, process type selection and abrasion conditions, and adopting a abrasion model suitable for a coal-fired power plant boiler tail flue according to the numerical simulation research of gas-solid two-phase flow and fly ash characteristic test data; s2, based on the abrasion model suitable for the tail flue of the coal-fired power plant boiler, obtaining the abrasion rule of flue internal parts and equipment, determining the abrasion part and abrasion loss, and predicting the service life of materials and the service life of the equipment; and S3, proposing a systematic abrasion treatment scheme for the wear rules of the internal parts and equipment of the tail flue of each coal-fired power plant. The invention provides a method for systematically treating the abrasion of the tail flue of the boiler of the coal-fired power plant. Original passive anti-abrasion measures are changed into active anti-abrasion treatment, the workload and cost of maintenance and overhaulof a power plant are effectively reduced, the erosion and abrasion resistance of a boiler tail flue system is improved, and the safety and reliability of a tail flue and equipment are improved.

The invention discloses a design method for a control structure of a hardware-in-loop numerical control system. The method comprises the following steps of: constructing a simulation running environment of CNC (Computer Numerical Control) in the numerical control system according to the function properties and the control demands of the numerical control system; connecting the CNC with the simulation running environment by a field bus, and conducting two-way real-time and reliable data communication; executing a process testing program by the CNC, and conducting simulation processing test on a whole control function module or a whole specific function module in the CNC; according to the processing control information in the test process, simulating the control operations of the devices (except the CNC) in the numerical control system, and displaying the processing process of workpiece; and verifying whether the functions and the performances of the CNC meet the requirements or not according to the processing form and the test information of the workpiece. According to the method, the application demands such as the tests of function modules and the whole control functions of the system in the system development process can be met, the reliability of the system development is improved, the risk and the cost for the system test is reduced, and the test time is shortened.

The invention discloses a low-smoke zero-halogen flame-retardant high-voltage flexible cable for a smart energy motor train unit and a production process. The cable sequentially comprises a conductor, a semi-conductive nylon tape, a semi-conductive inner shielding layer, an ethylene propylene rubber layer, a peelable semi-conductive outer shielding layer, a high-fire resistant semi-conductive tape, a copper wire shielding layer, a first high-fire resistant glass tape, a second high-fire resistant glass tape, an inner jacket and an outer jacket, wherein the inner jacket is high-fire resistant rubber with oxygen index more than 50%. In the cable, the inner jacket adopts the high-fire resistant rubber with the oxygen index more than 50%, and thus, the time of flame entering an inner layer of the cable can be effectively prolonged; the first high-fire resistant glass tape and the second high-fire resistant glass tape have excellent fire-resistant abilities, a large amount of flame can be suppressed, and the flame-retardant capability and the light transmission rate of the cable are improved; the high-fire resistant semi-conductive tape is compatible with fire-retardant and semi-conductive functions; and therefore, the flame-retardant capability and the light transmission rate of the cable are effectively enhanced.

The invention discloses a calibratable resistance device and an integrated circuit. The calibratable resistance device includes a reference resistor, a calibration resistor array, a routing resource block, a first resistor port, a second port and a configuration port; the first pole end of the reference resistor is connected with the first pole end of the calibration resistor array; the second pole end of the calibration resistor array is connected with the first resistor port; the second pole end of the reference resistor is connected with the second port; the wiring input end of the calibration resistor array is connected with the wiring output end of the routing resource block; and the configuration input end of the routing resource block is connected with the configuration port. With the calibratable resistance device and the integrated circuit of the invention adopted, the technical problem of a long cycle for realizing resistance value adjustment of an existing calibratable resistor can be solved, and a design cycle is effectively shortened.

The invention belongs to the field of autonomous control of underwater robots, and particularly relates to an extensible autonomous control system of a large underwater robot and a control method of the extensible autonomous control system. A plurality of cabins are arranged in the underwater robot, and a controller and equipment connected with the controller through a communication bus are arranged in each cabin; the Ethernet is adopted for connection, each functional area is provided with an independent functional controller, and the design facilitates modular design of the system, reduces the cable cost of the system, and promotes pedigree design of an electronic and electrical architecture of the underwater robot at the same time.

The invention discloses a rear torsion beam structure of an automobile. The rear torsion beam structure comprises a transverse beam, wherein longitudinal beams are respectively arranged at two ends of the transverse beam; a lining sleeve is arranged at one end of each longitudinal beam; a shock absorber bracket is arranged at the other end of each longitudinal beam; hub brackets are arranged at the positions close to the shock absorber brackets on the bodies of the longitudinal beams; the transverse sectional surface of the transverse beam takes the shape of an inverted U; the cross section area of the transverse beam is gradually increased from the middle to two ends in a symmetric manner. Due to the adoption of the transverse beam of which the transverse sectional surface is U-shaped, torsion stress can be dispersed, the adjusting difficulty of torsion rigidity can be greatly reduced, and thus development and design of products can be facilitated; meanwhile, as the torsion stress of the transverse beam is mainly concentrated at two ends, and the middle of the transverse beam is relatively slightly stressed, both the requirement on the torsion rigidity of the transverse beam can be ensured and the space occupied by the transverse beam can be effectively reduced due to adoption of a variable cross section structure which has a small middle and large two ends of the transverse beam, and thus other automobile parts around the transverse beam fittings can be arranged conveniently.

The invention discloses a finite element modeling method used for damage processes of the thermal barrier coating of a turbine blade, belonging to the field of heat-insulation protection coating system technology of high-performance aero-engine. The method adopts a CATIA software and a finite element ABAQUS software. The method wholly models all coatings and the substrate in the CATIA software, carries out a secondary processing to geometrical models in the ABAQUS software, carries out geometrical cleaning to the model in the CATIA software, and carries out simulation, calculation and result analysis in the ABAQUS software. The method can effectively overcome the incompatibility of the CAD software such as CATIA and the like and the finite element software, considers both various properties of the heat barrier coating material and the geometrical shape of the substrate, can exactly simulate the relevant key physical quantity of the turbine blade heat barrier coating system in practicalworking environment, has clear concept and is convenient to be mastered and used by the technicians.

The invention discloses a calibratable resistance device and an integrated circuit. The calibratable resistance device includes a reference resistor, a calibration resistor array, a routing resource block, a first resistor port, a second port and a configuration port; the first pole end of the reference resistor is connected with the first pole end of the calibration resistor array; the second pole end of the calibration resistor array is connected with the first resistor port; the second pole end of the reference resistor is connected with the second port; the wiring input end of the calibration resistor array is connected with the wiring output end of the routing resource block; and the configuration input end of the routing resource block is connected with the configuration port. With the calibratable resistance device and the integrated circuit of the invention adopted, the technical problem of a long cycle for realizing resistance value adjustment of an existing calibratable resistor can be solved, and a design cycle is effectively shortened.

The invention relates to the air-conditioning technology. The problem that a system or method for statically analyzing a wind velocity usage habit of a user is inexistent at present is solved, the invention provides a clustering method of the wind velocity usage habit of the air-conditioner user. The technical scheme can be generalized as follows: firstly defining a plurality of clustering centers according to the selection of the user to the wind velocity; acquiring behavior data of the air-conditioner user through a database, and then acquiring the behavior data of each air-conditioner user from the database through the system, computing the usage rate of each wind velocity by the user, and computing the distance between the usage rate of each wind velocity by the user to each clustering center, comparing the distances, selecting the corresponding clustering as the classification of the user according to a distance rule, finally counting the user number of each kind through the system after the clustering, and outputting the usage preference of the user to the wind velocity on the whole. The method disclosed by the invention has the beneficial effects that the method is convenient for the developing and designing of the air-conditioner, and is suitable for the air-conditioning system.

The invention discloses a programmable logic device for realizing a mobile phone hardware interface, which belongs to the technical field of mobile phone hardware interface, and includes a data sending part, a data receiving part, a clock frequency dividing part, a timing control part, an output buffering part and a registering part; The receiving part is connected to the timing control part, the data sending part is connected to the timing control part, the timing control part is connected to the output buffer part, the clock frequency division part is connected to the timing control part, and the register part is respectively connected to the data sending part and the data receiving part; the data sending part is also connected to the output Buffer component; the beneficial effect of the above-mentioned technical scheme is: through the programmable logic device, the user can customize the hardware interface of the mobile phone, expand the application range of the mobile phone interface, which greatly facilitates the development and design of the smart phone system; at the same time, the integrity of the high-speed signal Sex, compatibility of port level and improvement of driving ability all have a great improvement effect.

The invention provides a test system capable of being used for electrically heating cigarettes. The test system comprises a carrier unit, an electric heating piece, a smoke channel pipe and a temperature control mechanism. The carrier unit is used for placing an aerosol forming substrate; the electric heating piece is used for heating the aerosol forming substrate; one end of the smoke channel pipe communicates with the carrier unit, and the other end of the smoke channel pipe communicates with a suction assembly; and the temperature control mechanism is connected with the electric heating piece and is used for measuring the temperature in the carrier unit and controlling the on / off of the electric heating piece. The test system can effectively simulate the heating process of an electrically heated cigarette and measure related parameters, and is beneficial to research and development design and product optimization of the electrically heated cigarette.

A method for realizing universal restraint includes inputting and creating standard command of external restraint and checking restraint, inspecting them and then storing created restraint data in memory after memory databank table set up, carrying out operation as if all restraints are satisfied when insertion or refreshing record operation is required on some table, refusing operation as if any external restraint is not satisfied when record deletion operation is required on some table.

The invention relates to a balance ring molding die. It solves technical problems such as unreasonable design of the prior art. The balancing ring forming mold includes a mold base on which a combined annular core punch is fixed, and an upper cavity mold fastened on the combined annular core punch, the combined annular core punch and the upper cavity mold A balance ring molding cavity is formed between them, and a plastic glue feeding mechanism for feeding into the balance ring molding cavity is fixed above the upper cavity mold, and an annular outer ejector sleeve is set on the outside of the combined annular core punch on the mold base. block and the inner side of the upper surface of the annular outer ejector block is in contact with the outer end surface of the lower end of the balance ring formed in the balance ring molding cavity, and the inner circular ejector block located in the combined annular core punch and the inner circular ejector block The outer edge of the upper surface is in contact with the inner end surface of the lower end of the balance ring, and the annular outer ejector block and the inner circular ejector block are connected with the lifting drive mechanism. The advantage of the invention is that the quality of the ejected product is improved.