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586results about How to "Flexible and convenient to use" patented technology

LX I embedded type reconfigurable general test platform capable of being used for on-site test

The invention discloses an LX I embedded type reconfigurable general test platform capable of being used for an on-site test. The test platform mainly comprises a core control unit, an FPGA integrated test unit, an instrument function unit, a test program set, a Web server and the like. Modularized hardware design is reliably and tightly connected with a function module through a compact and firm portable machine box. The core control unit finishes control and communication of a whole system. The integrated test unit mainly completes logic functions of test instruments. The instrument function unit mainly completes conversion of signals. On the basis of LX I standard design, the test platform has multiple communication modes, is suitable for mobile tests, and facilitates secondary development. Hardware is designed in a modularized mode, and is compact in structure, small in size and low in weight. Software meets standards such as IVI, SCPI, ATML and the like, and is strong in generality. The instruments have the strong data processing ability and have functions of multi-channel parallel testing and online reconfiguration of the hardware and the software. What is needed is a browser during use of the instruments, the instruments can be operated remotely and the online reconfiguration of the instruments is achieved.
Owner:BEIHANG UNIV

Bolt torque detection device

A bolt torque detection device is characterized in that a rack slides up and down in the vertical direction on a rack base, wherein the rack is supported by the rack base to rotate around a horizontal line, the rack is coaxially connected with a rotating sleeve, and a tension tester is in transmission connected with the rack and drives the rack to slide; a head chuck is placed in a head supporting base hole to limit rotation of the head chuck around the horizontal line and relative to the head supporting base; rotation of a bolt head around the horizontal line and relative to the head chuck is limited; rotation of a nut chuck around the horizontal line and relative to the rotating sleeve and translation of the nut chuck along the horizontal line are limited; rotation of a nut around the horizontal line and relative to the nut chuck is limited; the nut and the bolt head are the same in height; the head supporting base is provided with a back cap hole, the end of a back cap stretches into the head supporting base hole to abut against the head chuck and the bolt head of a bolt in the head chuck, and leftward movement of the bolt head along the horizontal line and rotation of the bolt head around the horizontal line are limited. The bolt torque detection device is practical, precise, intuitive, rapid, convenient to use and low in cost and price.
Owner:TAICANG ZHONGBO RAILWAY FASTENER

Contact image sensor

The invention relates to a contact image sensor (CIS), belonging to the technical field of image readout devices. The invention is used for identifying the color-changing ink anti-counterfeiting label on the surface of the paper money. The CIS is characterized in that light sources different in light-emitting angles are respectively arranged at the two sides of a lens; and a non-reflecting film is adhered to the inner surface of a transparent board. As the color-changing ink anti-counterfeiting label on the surface of the genuine paper money changes in different colors from different angles, that is, the light irradiates the color-changing ink anti-counterfeiting label on the surface of the genuine paper money in different angles and the reflected light is different, but the counterfeit paper money does not have the characteristic, the light emitted by the two light sources of the CIS respectively irradiates the color-changing ink anti-counterfeiting label on the surface of the paper money in different angles, the reflected light is respectively received by the CIS, the CIS analyzes, processes and compares the two kinds of light received by the CIS and the obtained information is compared with the relevant information of the genuine paper money so as to achieve the aim of identifying authenticity of the paper money.
Owner:WEIHAI HUALING OPTO ELECTRONICS CO LTD

Smoke agent spray system and spray method for unmanned aerial vehicle adapted to mountains and hills

The invention discloses a smoke agent spray system and spray method for an unmanned aerial vehicle adapted to mountains and hills. The smoke agent spray system for the unmanned aerial vehicle comprises a remote-sensing module, an environment-monitoring module, a spraying module and a digital control module. The remote-sensing module comprises an image acquisition device and an image transmission system. The environment-monitoring module comprises an area monitoring meteorological station arranged on the ground and an air disturbance monitoring device for the unmanned aerial vehicle arranged onthe unmanned aerial vehicle. The spraying module comprises a medicament box, a smoke generator, smoke agent atomization nozzles and a delivery mechanism. The delivery mechanism is used for orderly delivering smoke agent pesticides in the medicament box to the smoke generator and the smoke agent atomization nozzles. The digital control module is used for receiving information, making 3D images, planning flying routes and controlling spraying amount of smoke agent pesticides. The smoke agent spray system for the unmanned aerial vehicle can precisely spray smoke agent pesticides to fruit trees in orchards of mountains and hills in the way that the unmanned aerial vehicle can carry smoke agent pesticides.
Owner:SOUTH CHINA AGRI UNIV

Sleeping quality auxiliary system based on sound detecting technology

The invention discloses a sleeping quality auxiliary system based on a sound detecting technology. The sleeping quality auxiliary system comprises two sound sensors, a signal regulating circuit, a temperature sensor, a sleeping auxiliary unit and a core processor. The sound sensors are respectively placed at two ends of a pillow, and used for receiving snoring sound signals. The signal regulating circuit is connected with the sound sensors. The temperature sensor is used for detecting indoor temperature. The sleeping auxiliary unit is used for adjusting indoor temperature and ventilation rate to realize emergent alarming. The core processor is connected with the signal regulating circuit, the sleeping auxiliary unit and the temperature sensor, and is used for extracting and analyzing features of sound signals and controlling the sleeping auxiliary system unit. Sleeping quality is analyzed by collecting the snoring sound of a user; in an infrared remote controlling manner, an indoor air conditioner is controlled to adjust temperature; and in emergency, the system alerts immediately through a GSM (global system for mobile communications) module. The sleeping quality auxiliary system is low in energy consumption, low in cost, small in size, convenient and flexible to use; and plays a positive protection role in sleeping quality improvement and timely discovery and treatment of sudden diseases.
Owner:HOHAI UNIV CHANGZHOU

Signal reproduction type integrated circuit board failure detection device

The invention discloses a signal reproduction type integrated circuit board failure detection device which is composed of two portions including a hardware portion and a circuit portion. The hardware portion comprises a housing, alternating current connection wires, a power switch, a USB interface, a SD card interface, a circuit board interface to be detected, an integrated board, keys, a display screen, and a power indicator light. The circuit portion comprises a power circuit, a multi-channel signal acquisition and reproduction circuit and a master control circuit. The master control circuit comprises a single chip microcomputer, a display device, a USB interface, a storage device and the like. The multi-channel signal acquisition and reproduction circuit comprises a single chip microcomputer, an A/D conversion and D/A conversion circuit, a signal amplification circuit and the like. The device is used to acquire signals of a standard circuit board, and the acquire input signal is reproduced onto a corresponding input channel of a failure integrated circuit board, and at the same time, the input/output signal conditions of the failure integrated circuit board are acquired, so that from the input/output signal abnormal conditions, the position of a failure can be judged without knowing the internal structure of the integrated circuit board, so the maintenance speed can be greatly quickened, and the maintenance difficulty can be simplified.
Owner:蚌埠航宇知识产权服务有限公司

High-low voltage device for plasma display driving chip and preparation method

The invention provides a high-low voltage device for a plasma display driving chip and a preparation method. The device comprises a high-voltage N-type lateral isolation gate bipolar type transistor, a high-voltage P-type lateral double diffused metal oxide semiconductor field effect transistor, a high-voltage N-type lateral double diffused metal oxide semiconductor field effect transistor, a high-voltage diode and a low-voltage device. The preparation method comprises the following steps of: making a buried oxide layer and depositing a P-type epitaxial layer on the P-type substrate; making a high-voltage N-well and a high-voltage P-well of the high-voltage device on the P-type epitaxial layer; then making P-type body areas of the high-voltage N-type lateral isolation gate bipolar type transistor and the high-voltage P-type lateral double diffused metal oxide semiconductor field effect transistor on the P-type epitaxial layer; and making all low-voltage wells on the P-type epitaxial layer. The chip structure in the invention has the advantages of low chip power consumption, small chip area and high reliability, and can be compatible with manufacture technology of a standard low-voltage complementary type metal oxide semiconductor field effect transistor.
Owner:SUZHOU POWERON IC DESIGN

Single-channel internally-arranged type heat exchanger sheet bar

The invention discloses a single-channel internally-arranged type heat exchanger sheet bar in the field of heat exchanger sheet bars. The sheet bar is formed in the mode that symmetric inclined ripples which are symmetric with a central connecting line of two medium inlet and outlet angle holes as the symmetric center, are intersected at the symmetric center and are each inclined towards two sides are arranged on the round sheet bar. Due to the adoption of the structure, machining and manufacturing of a mould are facilitated, and the medium flow in sheet bar pairs is more evenly distributed; the medium flowing dead zone is effectively avoided; the contact area of cold media and heat media is greatly increased; the heat transfer speed is obviously increased; the heat exchange efficiency is obviously improved. Meanwhile, due to dismountability and interchangeability of the sheet bar pairs, the effective heat exchange area can be increased or decreased according to needs. Therefore, high reliability of repeated dismounting and mounting and convenience of cleaning and maintenance are achieved. Meanwhile, the single-channel internally-arranged type heat exchanger sheet bar has the advantages of being compact and reasonable in structure, stable in working performance, convenient and flexible to use, economical, practical, suitable for being popularized, and the like.
Owner:SIPING VIEX HEAT EXCHANGE EQUIP

Three-dimensional manual curve surface screen printing machine

The invention relates to a three-dimensional manual curve surface screen printing machine which comprises a base plate, base plate supports and a space three-dimensional moving device. The base plate supports are disposed at four corners of the base plate. Lifting screws are disposed on the two base plate supports on the rear side. The space three-dimensional moving device is divided into an upper part and a lower part, the upper part is a liftable printing frame, and the lower part is a to-be-printed object three-dimensional moving mechanism. The lower mechanism is provided with a operation platform mounted on the base plate. Two slide rod station grooves are formed in the surface of the platform, four slidable longitudinal slide rods are mounted on the grooves, a transverses slide rod with a support bearing is mounted on each longitudinal slide rod, and the to-be-printed object is placed on the four support bearings. The upper printing frame is provided with an outer frame and a screen plate moving frame connected to the inside of the printing frame. A printing screen plate frame with a silk screen plate is connected into the screen plate moving frame. A scraper rack and a scraper are disposed on the screen plate moving frame. A balance iron square is disposed at the rear end of the outer frame. The printing machine is simple in structure, convenient to use, high in practicality and capable of printing cone frustums and cones with two ends of different diameters and irregular columns with handles.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Wearable electrical impedance tomography gastric motility information extracting device and method

The invention discloses a wearable electrical impedance tomography gastric motility information extracting device. The wearable electrical impedance tomography gastric motility information extracting device comprises an electrode array belt, a switch array, an impedance signal measurement module, a DSP and a wireless data transmission module. The electrode array belt is composed of a pasting strip and electrode buckles distributed on the belt at equal intervals and is connected with the switch array through a wire. The switch array is composed of an excitation gating switch and a measurement gating switch. An excitation current source is composed of a DDS multi-frequency signal generation unit and a voltage and current conversion module, and excitation current is injected in a corresponding electrode pair of the electrode array belt through the excitation gating switch. The impedance signal measurement module is composed of an instrumentation amplifier, a programmable amplifier, a demodulator and an AD conversion module. The measurement gating switch picks up impedance signals of the corresponding electrode pair on the electrode array belt and converts the impedance signals into digital information, and the DSP uploads the generated digital information to a portable intelligent device through the wireless data transmission module for processing.
Owner:INST OF BIOMEDICAL ENG CHINESE ACAD OF MEDICAL SCI

Paperless conference data acquisition and analysis system and method

The invention discloses a paperless conference data acquisition and analysis system and method. The system comprises a plurality of conference electronic-communication devices which are connected with a server device, and the server device is connected with a plurality of conference field display equipment; the conference electronic-communication devices provide data on sign-in, voting, questioning and questionnaires, respectively adding identifying codes in from of the data, and sending the data to the server device for storage and analysis, and the conference field display equipment are used for displaying the stored and analyzed result data of the server device. According to the invention, the paperless conference data acquisition and analysis system and method have the advantages of being free from limits on time, places, number of people and sessions, reducing the work load on recovering data on a conference site, performing data acquisition uniformly on multiple aspects in multiple places at the same time, analyzing data accurately and feeding back the analyzed data to the conference site in real time, searching required data rapidly and conveniently after the conference, and being convenient and flexible to use.
Owner:北京医讯百方信息服务有限公司
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