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48results about How to "Reduce complex procedures" patented technology

Array substrate drive circuit, array substrate and corresponding liquid crystal displayer

The embodiment of the invention discloses an array substrate drive circuit which comprises a plurality of GoA drive units. Each GoA drive unit is connected with a grid line; the GoA drive units connected with the grid lines in odd-number lines are arranged at one side of an array substrate and the GoA drive units connected with the grid lines in even-number lines are arranged at the other side of the array substrate; each GoA drive unit is provided with two drive signal input ends and one input end, every two drive signal input ends are connected with the output end of the upper-level GoA drive unit and the output end of the lower-level GoA drive unit respectively and used for receiving drive signals output by the upper-level GoA drive unit and the lower-level GoA drive unit, drive signals of the GoA drive unit of the level is output to one grid line connected with the GoA drive unit through the output end, and the GoA drive units arranged at the two sides of the array substrate drive the grid lines of the array substrate in an alternating mode. The embodiment of the invention further discloses the array substrate and a liquid crystal displayer. According to the array substrate drive circuit, the array substrate and the liquid crystal displayer, area occupied by the array substrate drive circuit can be reduced and narrow frame design of the liquid crystal displayer is facilitated.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Method of manufacturing a photovoltaic silicon

Disclosed is a process for purifying photoelectric level silicon through directional freezing which consists of, melting the raw material chemical level silicon in vacuum negative pressure chamber through warming-up by an intermediate frequency induction furnace, removing aluminium, B, P, S, C and other impurity, letting water vapor and hydrogen gas into the silicon solution at the protection of inert gas, agitating homogeneously and refining, making other elements high temperature evaporate and pouring into coagulator for down-to-up directional freeze in the vacuum negative pressure chamber, eliminating ferrum and other heavy metal, and slowly cooling down to normal temperature.
Owner:福建兴朝阳硅材料股份有限公司

Device for detecting moisture content of lubricating oil and detection method thereof

InactiveCN103837497AHigh sensitivityAvoid the disadvantages of unobvious detection signalMaterial analysis by optical meansEngineeringMoisture
The invention discloses a device for detecting the moisture content of lubricating oil and a detection method thereof. The device comprises a platform, an infrared emission assembly, a light receiving assembly, a signal processing assembly, a signal acquisition and transmission assembly and an external oil conveying pipe, wherein the middle section of the external oil conveying pipe is fixed in the platform, and two ends of the external oil conveying pipe are connected with a lubricating oil pipeline; the light receiving assembly is connected in series with the signal processing assembly and the signal acquisition and transmission assembly in sequence; a super-hydrophilic and super-oleophobic coating layer is coated in a detection region at the bottom of the external oil conveying pipe, so that a super-hydrophilic and super-oleophobic filter film is formed in the detection region. By adopting the super-hydrophilic and super-oleophobic coating layer, when flowing through the detection region of the external lubricating oil pipeline, oil liquid continues to flow through the pipeline under the action of the super-hydrophilic and super-oleophobic filter film, and water droplets permeate the filter film and are gathered in the detection region; therefore, the shortcoming that a detection signal generated by the fact that a single water droplet passes through the detection region is not obvious is overcome; the sensitivity of the detection device is improved, so that a detection result is accurate.
Owner:DALIAN MARITIME UNIVERSITY

Cryptographic method for mobile phone communication

In the disclosed secret method, after user sets up secret setting for a specific telephone number, then any received message and any incoming call relevant to the said telephone number is not able to be displayed or listened instantly by user. User can watch or listen the content only authentication of cipher is passed.
Owner:BEIJING ZHIGU TECH SERVICE

Electric heating acupuncture vibration therapeutic apparatus

The invention discloses an electric heating acupuncture vibration therapeutic apparatus and relates to acupuncture therapeutic equipment. The electric heating acupuncture vibration therapeutic apparatus is provided with a heater, a controller, a silver needle and a power source; the heater is provided with a support frame, a heat radiating fin, a silver needle sleeve, a sleeve heating part, a temperature sensor and a micro motor; the silver needle sleeve is arranged on the support frame, the heat radiating fin is fixed at the bottom of the support frame, the sleeve heating part is arranged on the silver needle sleeve, the temperature sensor is arranged at the lower part of the silver needle sleeve, the tail part of the silver needle is connected with the silver needle sleeve, and the micro motor is connected with the silver needle sleeve; the sleeve heating part, the temperature sensor and the micro motor are respectively connected with the controller; the sleeve heating part and the micro motor are eclectically connected with the power source through leads, and the temperature sensor is connected with the input end of the controller through a signal line; and the controller is provided with a microprocessor, a vibration time selector button, a vibration time indicating lamp, a vibration strength adjusting knot, a photoelectronic isolator, an environment temperature display driving circuit, a current heating temperature display driving circuit, an environment temperature display and a current heating temperature display.
Owner:XIAMEN UNIV

Automatic detector for grounding of grain sampling stick of sampler

ActiveCN103162988AAvoid sample dead zoneEliminate the problem of cheatingWithdrawing sample devicesEngineeringCantilever
The invention relates to an automatic detector for the grounding of a grain sampling stick of a sampler. The detector comprises a transmission chain, a transmission support fixed on the transmission chain, a grain sampling stick connected with the transmission support and a fixed cantilever arranged at the right side of the grain sampling stick. A guide ring is arranged at the lower end of the fixed cantilever; the grain sampling stick is sheathed in the guide ring; an upstream support of the grain sampling stick is fixed at the upper end of the grain sampling stick and is arranged above the transmission support; a though hole is formed in a top plate of the upstream support of the grain sampling stick; an adjusting screw is arranged in the through hole; a contact moving end is arranged at the bottom end of the adjusting screw; the part of the adjusting screw between the top plate and the contact moving end is sheathed with a control spring; a contact static end is fixed on a beam of the transmission support corresponding to the contact moving end; a downstream support of the grain sampling stick is arranged on the grain sampling stick and below the beam; the part of the grain sampling stick between the beam and the downstream support of the grain sampling stick is sheathed with a downstream transmission spring. The detector can avoid sampling dead zones at the bottom layer of a grain vehicle, reduce the number of (lower) limit switches and effectively protect the safe use of the grain vehicle and the sampler.
Owner:衡水焱龍粮储机械设备制造有限公司

High-power density permanent magnetic brushless motor with moment holding function for mechanical arm

The invention relates to a high-power density permanent magnetic brushless motor with moment holding function for a mechanical arm, belonging to the technical field of motors and solving the problem that a gear reducing device is required to be arranged in the traditional space mechanical arm driven by a high-speed motor to cause the motor system to have complex structure. A hollow disc type permanent magnetic rotor of the high-power density permanent magnetic brushless motor comprises a rotor magnetic pole and a clasp type rotor yoke, wherein the rotor magnetic pole and the clasp type rotor yoke are in clearance fit; each rotor iron core of a stator is provided with a stator tooth, a plurality of stator iron cores are connected in an end-to-end way to form the stator teeth and stator slots, which are arranged at intervals, three phases of symmetrical windings are arranged on the stator teeth in a fractional slot way, turn numbers of the each phase of windings are same, the same phase of windings wound on each stator tooth are mutually connected in series; air gaps are arranged between inner circle surfaces of the plurality of stator iron cores and outer circle surface of the rotor magnetic pole; and partial stator teeth in the stator teeth of the plurality of stator iron cores are provided with semicircular slots at the air gap sides to enable the motor body to have the moment holding function. The invention is used for the position control of the space mechanical arm.
Owner:HARBIN INST OF TECH

Compact type permanent magnet brushless motor with equal-resistance duplex winding and redundant hall structure

The invention provides a compact type permanent magnet brushless motor with an equal-resistance duplex winding and a redundant hall structure, and relates to the technical field of a brushless motor with a redundant structure and high power density. The problem of system fault of the existing space manipulator motor system caused by the control failure of a circuit and the like can be solved. A plurality of stator cores are connected with one another end to end to form stator teeth and stator slots, which are separated from one another, a three-phase symmetry double-layer winding which is wound in a fractional-slot way is arranged on all the stator teeth, and air gaps are available between the surface of an inner circle formed by a plurality of the stator cores and the surface of an outer circle formed by hollow plate type permanent magnet rotors; and the pole faces of the stator teeth on six stator cores are respectively provided with a groove, the six stator cores are dispersed and evenly distributed, the center of each slot is arranged on the axial lead of the duplex winding, and each slot is internally embedded with a hall element respectively. The compact type permanent magnet brushless motor provided by the invention is a low-speed small-power brushless torque motor which has the redundant structure of the double-layer winding and a plurality of hall components.
Owner:HARBIN INST OF TECH

Method for preparing cowhide collagen by complex enzymatic hydrolysis

The invention discloses a method for preparing cowhide collagen by complex enzymatic hydrolysis. A process for preparing cowhide collagen by complex enzymatic hydrolysis is used to acquire a required protein product. The method comprises steps of cowhide soaking and washing, cooking enzymatic hydrolysis, decoloring and debitterizing, filtering, ion exchanging, concentrating, sterilizing, spray drying, and screening. The complex process of a traditional manufacture technique is omitted, reducing energy consumption and cost, it is possible to prepare collagen by directly using cowhide, the obtained collagen is good in quality, has a molecular weight between 3050-3300 Da and has bitter taste greatly reduced.
Owner:山东恒鑫生物科技有限公司

Tooth slot structure of high-power-density permanent magnet brushless motor used for space manipulator

The invention provides a tooth slot structure of a high-power-density permanent magnet brushless motor used for a space manipulator, belongs to the technical field of motors, and aims at solving problems that existing motors used for the space manipulator cannot consider reduction of the size under the condition of equipping of redundancy design. The scheme is that p pairs of stator teeth are arranged on the surface of the internal circle of a motor stator along circumference. A stator tooth slot port is formed between the pole shoes of every two adjacent stator teeth, and the stator tooth slot port has a structure of which the external part is narrow and the internal part is wide. Hall element embedding slots are arranged at the tooth crowns of the p stator teeth, and the slot ports face direction of the center of the circle. The p stator teeth with the Hall element embedding slots and the rest p stator teeth are arranged in a staggered way, and p is a positive integer greater than or equal to 2. Hall elements are embedded in the motor teeth so as to reduce the axial size of the motor. A special tooth type and slot type structure is adopted so as to ensure relatively small positioning moment and moment fluctuation.
Owner:HARBIN INST OF TECH

Comprehensive system of self-adapting anti-interference antenna channel

The invention discloses a comprehensive system of a self-adapting anti-interference antenna channel, which is capable of effectively reducing the system cost and complexity. The comprehensive system of the self-adapting anti-interference antenna channel is realized through the following technical schemes: a receive channel (2) and a digital signal plate (3) are connected between a power supply (4) and a controller (5) to form a self-adapting anti-interference antenna system; a single-channel electronic change-over switch capable of rapidly switching a plurality of antenna elements of an antenna array is arranged at the input end of the receive channel; the controller transmits the synchronous switch instruction and digital signal string of the electronic change-over switch to the receive channel and a digital signal plate via a RS422 serial port / and converts the instruction, thus realizing the connection of the receive channel and different antenna array elements. According to the comprehensive system, the weight, power consumption and cost of the antenna system can be further reduced; and the complicated program that a traditional multi-channel self-adapting anti-interference antenna carries out the calibration of amplitude and phase on the channel can also be saved, thereby solving the problem on inconsistent amplitude and phase among the channels of multi-channel self-adapting anti-interference antenna in the prior art.
Owner:10TH RES INST OF CETC

Method for processing castanea henryi pollen oral liquid

The invention discloses a method for processing castanea henryi pollen oral liquid. The method comprises the following steps: (1) collecting and storing pollen; (2) carrying out in vitro germination on the pollen to break the wall; (3) cleaning; (4) pulping; (5) carrying out enzymolysis; (6) caring out ultrasonic extraction; (7) filtering; (8) concentrating with a nanofiltration membrane; (9) adjusting the flavor; (10) homogenizing; (11) filling; (12) carrying out ultra-high pressure sterilization; and (13) detecting the finished product. According to the castanea henryi pollen oral liquid prepared by the method, nutritional ingredients in the pollen can be extracted to the maximal extent by adopting the technical measures such as in vitro germination of pollen to break the wall; meanwhile, the nutritional ingredients in the pollen are stored to the maximal extent by adopting the technical measures such as nanofiltration membrane concentration and ultra-high pressure sterilization; the castanea henryi pollen oral liquid is high in nutrient value, sweet and sour in taste, and strong in pollen fragrance; and the liquid is uniform and stable, and is convenient to take.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Device and method for testing base station

The invention provides a base station test device and a test method. The base station test device comprises an interface unit communicating with a base station to be tested in one or a plurality of wave bands; a data service receiving and sending unit which is connected with the interface unit, sends data to and receives data from the base station to be tested through the interface unit, and gets relevant transmission parameters of transmitted data; a control unit which is connected with the interface unit and the data service receiving and sending unit, used for controlling the data service receiving and sending unit to be accessed to the base station to be tested and to send data, and for reading and analyzing the transmission parameters of the data service receiving and sending unit. The base station test device and the test method solve the test problem of system joint debugging consistent to the actual operating environment of the base station, particularly, the base station of the mobile wireless communication systems of GPRS and EDGE based on GSM, and achieve the automatic operation of the test of the base station.
Owner:ZTE CORP

Tunnel spraying maintenance vehicle

PendingCN110054508AReduce configuration costsTunnel sprinkler automatic realizationUnderground chambersTunnel liningVehicle frameWater source
The invention discloses a tunnel spraying maintenance vehicle. The tunnel spraying maintenance vehicle comprises a vehicle frame which wheels, and water spraying modules; at least two water spraying modules are arranged in the length extending direction of the vehicle frame; one end of every water spraying module is rotatingly connected with the vehicle frame, the other end of the water spraying module is connected with a water source through a water pipe, and the water spraying module is provided with spray nozzles; the vehicle frame is provided with an adjusting module, which can drive the water spraying modules to move relative to the vehicle frame to adjust the position of the spray nozzles relative to the vehicle frame; the vehicle frame is also provided with a driving module which can drive the wheels to move. Therefore, by arranging the adjusting module and the driving module onto the vehicle frame, the tunnel spraying maintenance vehicle can automatically achieve tunnel spraying, thereby reducing complex operational procedures, achieving simple operation, improving the working efficiency and greatly reducing personnel allocation costs.
Owner:安徽智恒机械设备有限公司

10-axis motor no-load testing system

The invention discloses a 10-axis motor no-load testing system, which comprises bus cables, knob switches, contactor coils, servo motor power cables, servo motor signal cables, drivers and servo motors, wherein the bus cables are connected with the knob switches and the contactor coils, each knob switch is connected with the corresponding contactor coil in series to form a closed loop, and the bus cables are connected with contactors. The 10-axis motor no-load testing system can be used for monitoring operation situations of ten motors simultaneously in the data monitoring aspect since all the servo motors to be tested are controlled by one PLC, thereby reducing complex programs of the system; and the 10-axis motor no-load testing system controls power supply of drivers by using the contactors, is provided with power supply indicating lamps, integrates the switches on an operation panel, and brings convenience for the operation and observation of the tester.
Owner:SHANGHAI FINEPOWER TECH

Method and system for pretreating high-salt preserved szechuan pickle wastewater

The invention provides a method and system for pretreating high-salt preserved szechuan pickle wastewater. The system comprises a grid, an adjusting tank, a circular reaction tank, an intermediate tank and a sedimentation tank. According to the method and system, halophilic compound bacteria on a suspended filler in the circular reaction tank are reinforced, so that two microorganisms, namely a compound microbial agent growing on the surface of the filler in an attached manner and activated sludge growing in a suspended manner, can coexist in a system, and most of organic matters and ammonia nitrogen in the preserved szechuan pickle wastewater are removed; suspended matters in the purified wastewater are further removed through the sedimentation tank, so that the load of a subsequent electrodialysis treatment process can be reduced, the treatment efficiency is improved, and the operation cost is reduced. The method disclosed by the invention has the characteristics of high microorganism concentration, strong impact load resistance, high organic load treatment capacity, strong biological nitrogen and phosphorus removal capacity, good pretreatment effect, low engineering investment and operation cost and the like.
Owner:CHONGQING UNIV OF TECH

Adaptive Anti-jamming Antenna Channel Synthesis System

The invention discloses a comprehensive system of a self-adapting anti-interference antenna channel, which is capable of effectively reducing the system cost and complexity. The comprehensive system of the self-adapting anti-interference antenna channel is realized through the following technical schemes: a receive channel (2) and a digital signal plate (3) are connected between a power supply (4) and a controller (5) to form a self-adapting anti-interference antenna system; a single-channel electronic change-over switch capable of rapidly switching a plurality of antenna elements of an antenna array is arranged at the input end of the receive channel; the controller transmits the synchronous switch instruction and digital signal string of the electronic change-over switch to the receive channel and a digital signal plate via a RS422 serial port / and converts the instruction, thus realizing the connection of the receive channel and different antenna array elements. According to the comprehensive system, the weight, power consumption and cost of the antenna system can be further reduced; and the complicated program that a traditional multi-channel self-adapting anti-interference antenna carries out the calibration of amplitude and phase on the channel can also be saved, thereby solving the problem on inconsistent amplitude and phase among the channels of multi-channel self-adapting anti-interference antenna in the prior art.
Owner:10TH RES INST OF CETC

Code-scanning self-rotating tire vulcanizing machine tire mounting manipulator

The invention discloses a code-scanning self-rotating tire vulcanizing machine tire mounting manipulator. The manipulator is characterized by consisting of an execution device and a driving device. The execution device comprises a fixed disc, an upper fluted disc, a right sliding groove block, a left sliding groove block, a sliding block, a claw piece, a lower rotary disc and code scanners. The driving device is composed of a rotary air cylinder and a gear motor. Two code scanners are symmetrically installed below the lower rotary disc and are spaced by 180 degrees in the circumferential direction. Compared with a traditional tire vulcanizing machine manipulator, the manipulator can conduct self-rotating in the two processes before and after tire grabbing, the self-rotating before tire grabbing achieves accurate identification of vulcanization labels or bar codes through the code scanners, data collection and position identification are achieved, and the self-rotating after tire grabbing achieves accurate positioning of the needed position. According to the tire vulcanizing machine tire mounting manipulator, the information acquisition work before tire vulcanization in enterprises is met, the automation and intelligence level of the tire vulcanizing machine manipulator is improved, the complex procedure of manually moving green tires is reduced, and accurate tire mounting and closed-loop control fixed-point vulcanization are realized.
Owner:BEIJING UNIV OF CHEM TECH +1

Liquid-state sintering anti-sticking method for silicon carbide ceramics

InactiveCN105294116ADoes not affect shrinkageNo dentsLiquid stateGraphite
The invention provides a liquid-state sintering anti-sticking method for silicon carbide ceramics. The method comprises the following steps: placing one or more layers of flint paper on a graphite load bearing board; placing a silicon carbide blank body on the flint paper; feeding the graphite load bearing board into a sintering furnace to be sintered, wherein if stacking of products is required, the flint paper can be placed between the products. The liquid-state sintering anti-sticking method can prevent silicon carbide ceramic products from cementation during high-temperature sintering, optimizes the production procedures, and is simple to operate and relatively low in manufacturing cost.
Owner:LUOYANG MINGLI TECH DEV

Making process of pure-natural and additive-free incense material

The invention discloses a making process of a pure-natural and additive-free incense material. The making process includes the steps of raw material preparation, mixing, briquetting, granulation, testing of apparent density and trial production of a finished product, so that a finished product is obtained; compared with the prior art, the whole process is conducted under the physical action, the incense material is pure-natural, no adhesive or water is added, a possible chemical reaction and property change of incense powder are avoided, and the property of the incense material is not changed; heating and drying are not utilized, thermal evaporation and sublimation of aromatic substances and phenolic medicinal ingredients in incense material ingredients are avoided, and original fragrance of the incense material is maintained; a finished product can be packaged and utilized after being processed, and subsequent complex procedures of a traditional process are omitted; the incense material is utilized to the maximum degree, raw materials are saved, and the loss is small; due to granularity control in the making process, the finished product has a bouncing feeling and a layered feeling in the incineration process, extremely good smell experience is brought in the incense appreciation process, and application and popularization value is achieved.
Owner:CHENGDU XIAOYU CULTURAL TRANSMISSION CO LTD

LED (light-emitting diode) daylight lamp packaging module

InactiveCN102945911AGuarantee the performance and quality of the original factoryEfficient heat conductionSemiconductor devicesEngineeringDaylight
The invention relates to the field of LEDs (light-emitting diode), and in particular relates to an LED (light-emitting diode) daylight lamp packaging module. The LED daylight lamp packaging module comprises a lamp bead, a heat conduction circuit board and a lens, wherein the lamp bead is directly packaged on the heat conduction circuit board through solid phase crystallization, and the lens is covered on the lamp bead and the heat conduction circuit board. By adopting the structure, the production efficiency and product quality of the LED daylight lamp are improved, the original delivery property of an LED chip is ensured, and the service life of an LED fluorescent tube is prolonged.
Owner:SHAOXING SHANGDING INTELLIGENT CONTROL ELECTRONICSCINECE & TECH

Official document exchange method and system for non-confidential domain and confidential domain based on domestic CPU and operating system

The invention discloses an official document exchange method and system for a non-confidential domain and a confidential domain based on a domestic CPU and an operating system. The method comprises a one-way import process from the confidential domain to the non-confidential domain and a one-way import process from the non-confidential domain to the confidential domain. The system comprises a briefcase generation module, an export module, an intermediate storage medium, an encryption module and an import module. According to the invention, exchange and circulation of electronic official documents between the confidential domain and the non-confidential domain under the condition that a network is not connected are realized, and the security of official document exchange between the confidential domain and the non-confidential domain is also ensured.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

A remote controller and a flight device

The invention provides a remote controller and a flight device. The remote controller comprises a pedestal, a control assembly module, a control module and a data transmission module. The control assembly module is detachably connected to the pedestal and is used for generating control signals according to the operation of a user to the control assembly module; the control module is electrically connected with the control assembly module and used for acquiring the control signals and sending the control signals to the data transmission module; the data transmission module is used for sending the control signals to a flight device to control the flight device to perform corresponding movement. A user does not need to send the remote controller to the manufacturer for replacing correspondingparts and can install corresponding function modules according to his or her needs; thus, the reassembly of the remote controller is greatly reduced and the assembly efficiency of the remote controller is increased.
Owner:SHENYANG WOOZOOM TECH CO LTD

VI source measurement data acquisition and display method

The invention relates to a VI source measurement data acquisition and display method. The deficiencies of the prior art are solved. The technical solution is applicable to a PC end configured with a PCI_E high-speed interface card. The PC end is connected with the FPGA chip through the PCI_E high-speed interface card. The FPGA chip acquires the VI source measurement data of a hardware resource board card through an AD sampling circuit. The method comprises the steps that 1 the FPGA chip transmits data collected by the AD sampling circuit to the PC end through the PCI_E high-speed interface card; and 2 the PC end processes the data in a graphical manner for display, and a visual operation mode is provided for a user to view analysis data.
Owner:HANGZHOU CHANGCHUAN TECH CO LTD

Open hole well fishbone yield increasing and screen pipe well completion integrated tool

The invention relates to the technical field of marine oil and gas resource and sea area natural gas hydrate exploitation equipment, and particularly relates to an open hole well fishbone yield increasing and screen pipe well completion integrated tool. The measures of reservoir reconstruction, sand prevention, production pipe column descending and the like can be completed only through one-time tripping, damage to a reservoir is small, the operation cost is greatly reduced, the construction procedure is optimized, complex procedures are reduced, the operation time is shortened, the sea area natural gas hydrate exploitation economic and technical indexes are increased, the industrialization process is accelerated, and practicability and reliability are improved. The open hole well fishboneyield increasing and screen pipe well completion integrated tool comprises a fishbone branch short section, a sand blocking medium and an outer protection cover, and the sand blocking medium is installed on the outer wall of the fishbone branch short section.
Owner:GUANGZHOU MARINE GEOLOGICAL SURVEY

Stator structure of compact permanent magnet brushless structure

ActiveCN105720709AReduce positioningReduce the effect of torque fluctuationsMagnetic circuit stationary partsBrushless motorsElectric machine
The invention discloses a stator structure of a compact permanent magnet brushless motor, and belongs to the field of the motor. According to the structure provided by the invention, the problem of reducing the performance of the motor resulting from fluctuation of the positioning torque of the motor is solved, wherein the fluctuation of the positioning torque results from directly embedding Hall elements in the stator slots of the stator structure. The stator structure provided by the invention comprises a stator iron core and multiple stator teeth. The multiple stator teeth are evenly arranged on the surface of the inner circle of the stator iron core; the surfaces of the inner circles of all stator teeth are located on the same circle; a stator slot is formed between every two stator teeth; three Hall elements are embedded in the stator slots in a three-phase symmetrical mode; two stator teeth of the stator slot in which each Hall element is located are two special teeth arranged in a mirror symmetry mode; the stator teeth at other locations are normal stator teeth; the pole shoes at the sides of the special teeth facing towards the Hall elements are approximate to deletion; and the thicknesses ht2 of the pole shoes at the sides of the special teeth depart from the Hall elements are much more than the thicknesses ht1 of the pole shoes of the normal stator teeth.
Owner:HARBIN INST OF TECH

Cryptographic method for mobile phone communication

The invention provides a security method for mobile phone communication. After the user encrypts and sets a specific phone number, any received messages or incoming calls related to the phone number will not be displayed or displayed immediately. The user is allowed to answer in real time, and the user can watch or listen only after the user has passed the password authentication.
Owner:BEIJING ZHIGU TECH SERVICE

Sound effect detection equipment and method for tablet type electronic product

The invention discloses sound effect detection equipment and method for a tablet type electronic product. The sound effect detection equipment comprises a sound effect detection bin made of a sound insulation material and a bearing device penetrating through the middle of the sound effect detection bin, wherein a plurality of sound pickups are fixed to the inner wall of the sound effect detection bin, and the bearing device comprises a machine base, two conveying belts arranged on the machine base and moving in parallel and supporting tables; every four supporting tables support one tablet type electronic product so as to carry out sound effect detection on the tablet type electronic product; the sound effect detection bin is provided with a feeding port and a discharging port; the sound effect detection equipment further comprises a feeding port sound insulation plate located above the feeding port, a discharging port sound insulation plate located above the discharging port and an outlet side lifting mechanism; and the sound effect detection equipment further comprises a sound effect detection seat arranged at the bottom of the sound effect detection bin, and the sound effect detection seat is provided with a power supply wiring mechanism used for connecting a power supply of the tablet type electronic product. According to the sound effect detection equipment and the method for the tablet type electronic product, sound effect detection can be carried out on the tablet type electronic product placed on the conveyor belts, sound effect detection can be carried out intermittently, and the detection efficiency is high.
Owner:深圳市华腾智能技术有限公司

Method of manufacturing a photovoltaic silicon

Disclosed is a process for purifying photoelectric level silicon through directional freezing which consists of, melting the raw material chemical level silicon in vacuum negative pressure chamber through warming-up by an intermediate frequency induction furnace, removing aluminium, B, P, S, C and other impurity, letting water vapor and hydrogen gas into the silicon solution at the protection of inert gas, agitating homogeneously and refining, making other elements high temperature evaporate and pouring into coagulator for down-to-up directional freeze in the vacuum negative pressure chamber, eliminating ferrum and other heavy metal, and slowly cooling down to normal temperature.
Owner:福建兴朝阳硅材料股份有限公司

Grain bottoming detector for automatic sample machine

ActiveCN103162988BAvoid sample dead zoneEliminate the problem of cheatingWithdrawing sample devicesEngineeringCantilever
The invention relates to an automatic detector for the grounding of a grain sampling stick of a sampler. The detector comprises a transmission chain, a transmission support fixed on the transmission chain, a grain sampling stick connected with the transmission support and a fixed cantilever arranged at the right side of the grain sampling stick. A guide ring is arranged at the lower end of the fixed cantilever; the grain sampling stick is sheathed in the guide ring; an upstream support of the grain sampling stick is fixed at the upper end of the grain sampling stick and is arranged above the transmission support; a though hole is formed in a top plate of the upstream support of the grain sampling stick; an adjusting screw is arranged in the through hole; a contact moving end is arranged at the bottom end of the adjusting screw; the part of the adjusting screw between the top plate and the contact moving end is sheathed with a control spring; a contact static end is fixed on a beam of the transmission support corresponding to the contact moving end; a downstream support of the grain sampling stick is arranged on the grain sampling stick and below the beam; the part of the grain sampling stick between the beam and the downstream support of the grain sampling stick is sheathed with a downstream transmission spring. The detector can avoid sampling dead zones at the bottom layer of a grain vehicle, reduce the number of (lower) limit switches and effectively protect the safe use of the grain vehicle and the sampler.
Owner:衡水焱龍粮储机械设备制造有限公司
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