51results about How to "With portable" patented technology

The invention belongs to the technical field of photoelectronic imaging and testing and relates to a co-graduation surface full-spectrum target. The invention comprises a substrate, a multi-quadrant detector, an asterion hole and a graduation line, wherein the multi-quadrant detector is arranged in the region outside the graduation line of the substrate, the graduation line is the region dividing line of the multi-quadrant detector, the asterion hole is a through hole and arranged in the centre of the substrate, and the substrate is made of full-spectrum transmission materials, the gradation line is any graph with identification characteristics. The invention applies the materials capable of transmitting full-spectrum waveband to the substrate of a gradation plate, greatly reduces the influence of manual or mechanical regulation control conversion on measurement precision. The graduation plate is capable of realizing the integrated functions of visual, infrared and laser graduation targets, has the advantages of high precision, small volume and light weight, is free from imbalance, and can be applied to a full-spectrum multi-optical axis consistency detection system for realizing graduation collimation with high precision and without imbalance.

The invention discloses a mobile terminal positioning system and method suitable for disaster occasions such as an earthquake. A master base station and two slave base stations are disposed at angular points of the triangle covering an area where a to-be-positioned mobile phone is located, the master base station is used as reference to build coordinates, the master base station transmits a signal or increase signal power to trigger the mobile phone to perform cell reselection so as to allow the mobile phone to be accessed to the master base station, the master base station transmits an induction signal to the mobile phone to induce the mobile phone to transmit signals and transmits the induction signal transmitted to the mobile phone to the slave base stations, and the signals transmitted by the mobile phone is received by the slave base stations; the slave base stations kept being communicated with the master base station, and the slave base stations acquire the signals transmitted by the mobile phone at channels allocated by the master base station and transmit received data information to the master base station. The mobile terminal positioning system and method has the advantages that positioning methods such as TDOA, SSOA and AOA are used, high positioning precision is achieved, and the system and method is applicable to complex disaster environments; the system is small in size, portable, and capable of being timely delivered into disaster fields to perform fast and effective rescue.

The invention discloses a portable liquid nitrogen filling device with an automatic stopping function for a high-purity germanium detector. The portable liquid nitrogen filling device comprises a temperature measuring unit, an automatic control unit and a liquid nitrogen filling unit, wherein the automatic control unit comprises a 220V power supply, a start button, an alternating-current contactor, a temperature controller and an electromagnetic valve; the electromagnetic valve is arranged on an exhaust pipe of a liquid nitrogen pump; the two input ends of the electromagnetic valve are connected with an L phase and an N phase of the 220V power supply respectively through a contact KM2 and a contact KM3 of the alternating-current contactor; the electromagnetic valve is in a shut-down state when the output voltages of the contact KM2and the contact KM3 are switched on and is in a turn-on state when the voltages are switched off. By adopting the portable liquid nitrogen filling device, a temperature monitoring function is realized, the liquid nitrogen pump stops automatically when a Dewar tank is full of liquid nitrogen and the automatic control unit is irreversible when the temperature is higher than a set threshold value, so that the function of unattended operation is realized in a liquid nitrogen filling process.

The invention provides a visual array chip for gas analysis and application thereof. According to the visual array chip, functional modules from No.1 to No.36 are arranged on a substrate according to an array distribution mode, and the functional modules are prepared by coating the substrate with porphyrin and dye modified by gold nano-particles, porous organic silicate, plasticizer and materials having specific response to aldehyde volatile organic compounds. The visual array chip can be used for detecting and analyzing at least one volatile gas in benzene, methylbenzene, p-xylene, trimethylbenzene, trichlorofluoromethane, propyl aldehyde, hexanal, acetaldehyde, heptanal, acetone, 2-pentanone, tetrahydrofuran, heptane, decane, undecane, 1-hexene, isoprene, styrene, acetic acid, propionic acid, ethylenediamine, tetramethylethylenediamine, acetonitrile, propyl alcohol, thiol and butyl acetate compounds. The chip can be used for detecting multiple gas ingredients, has high sensitivity for detected objects with low detection limit, and can reach the ppbv detection level.

The present invention discloses a device for detecting image sensor performance and a use method thereof, belonging to the field of optical imaging. The method comprises the following steps that a device right side interface is connected to a left side interface of an image sensor external frame, a closed space which is not interfered by the outside is formed, a laser emits parallel light to go through an adjustable light attenuation sheet, the adjusted parallel light is irradiated to a diffraction screen with a hole to generate diffraction, the diffracted light goes through a converging lens to be focused to the image element surface of the image sensor to form a diffraction pattern, and finally an adjustable ring is adjusted to focus the diffraction pattern. Through the light intensity information of a calibrated diffraction spot, the various performance parameters of the image sensor can be quantitatively obtained. The disadvantages of long time consumption, complicated operation, complex scene, difficult analysis and the like of a traditional test and comparison method are overcome, and the invention provides the intuitive, simple, fast, small and portable image sensor performance testing and comparison device with qualitative and quantitative functions and without outside interference and the method thereof.

The invention discloses a terahertz markless detection method for a biochemical liquid sample and provides a detection device and a manufacturing process thereof. The detection device comprises a terahertz rectangular waveguide resonant cavity, a micro-fluidic channel and a detector slot. A micro-fluidic tube is inserted into the micro-fluidic channel; and a terahertz detector is inserted in the detector slot. A terahertz wave is emitted at one side of the waveguide resonant cavity; a to-be-detected sample is introduced into the micro-fluidic channel and disturbance of an electromagnetic fieldin the waveguide resonant cavity is caused, so that the resonant frequency and quality factor of the resonant cavity change; and the detector detects changes of the resonant frequencies and quality factors of the waveguide resonant cavity before and after adding of the sample to obtain a complex permittivity of the to-be-detected sample. According to the invention, with the terahertz technology,the biochemical liquid sample is detected. The terahertz markless detection method has characteristics of high detection sensitivity, high detection precision, and small sample demand amount; and thedetection device has advantages of high integration, miniaturization, and high portability and has the broad application prospects.

The invention provides an upper limb rehabilitation robot and a system thereof, and relates to the technical field of medical instruments. The upper limb rehabilitation robot includes a base, a support rod and an upper limb training assembly; the lower end of the support rod is fixedly mounted on the base, and the upper end of the support rod is movably connected with the upper limb training assembly; the upper limb training assembly supports seven-degree-of-freedom movement of an upper limb of a human body, and enables shoulder-elbow joints to perform combined motion and separation motion training in a spatial range; four of the seven degrees of freedom are motor-driven rotational degrees of freedom, and are set to be shoulder joint three-degree-of-freedom rotating joints and elbow jointflexion and extension rotating joints, and the other three are non-powered degrees of freedom, and set to be high and low lift adjustment joints, shoulder rotation adjustment joints and elbow telescopic adjustment joints. The rehabilitation robot is portable, intelligent, low-cost and suitable for home use.

The invention discloses a movable VR helmet suite convenient for real communication, which includes a helmet body shell, a face fitting shell, a top elastic headband, and a side elastic headband. The ends of the two sides of the face fitting shell are connected by the side elastic headband. One end of the top elastic headband is connected with the upper middle of the face fitting shell, and the other end of the top elastic headband is movably connected with the middle of the side elastic headband. The face fitting shell is provided with a helmet suite frame at the front end. The helmet suite frame and the helmet body shell are connected by a flip structure. According to the movable VR helmet suite convenient for real communication, the headbands made of an elastic material can automatically adapt to the different sized heads of different wearers, the helmet can fit the face of the wearer, and real light can be isolated to make the wearer immersed in the virtual environment. After a helmet fastening hidden button is opened, the helmet body shell can be lifted with hands, and the wearer can get out of the virtual environment quickly.

The invention discloses complete equipment for rapidly detecting meat product safety on site. The complete equipment comprises a detection box and detection equipment arranged inside the detection box, wherein the detection box comprises a double-layer box body and a box cover which is movably connected with the box body; the detection equipment comprises sample pretreatment equipment, rapid colloidal gold detection cards, an experiment reagent, reading and data processing equipment and experiment materials. The complete equipment integrally combines all equipment, reagents and materials required in safety detection on meat products, and is applicable to on-site rapid screening and detection on antibiotics and prohibited veterinary drugs in the meat product, so that the purpose that harmful substances can be discovered, monitored and managed in time is achieved; moreover the complete equipment is convenient to carry and anti-knock and anti-drop, and the function of a mobile laboratory is achieved.

The invention discloses a gene sequencing instrument. The gene sequencing instrument comprises a machine base, a sequencing platform and a reagent supply device, wherein the sequencing platform is provided with a gene sequencing chip; the reagent supply device is used for supplying a gene sequencing reagent to the gene sequencing chip and comprises a rotary disc and a rotary driving component, the rotary driving component is used for driving the rotary disc to rotate, and a plurality of mounting stations for mounting testing reagent cylinders are distributed on the rotary disc along the circumferential direction; the testing reagent cylinders comprise cylinder bodies and piston rods, the cylinders are used for storing the gene sequencing reagent, and the piston rods are arranged in sliding and telescopic manners relative to the cylinder bodies; and the reagent supply device further comprises a liquid outlet base, the base is fixedly arranged on the machine base and is provided with a liquid outlet, and outlets of the testing reagent cylinders are driven by the rotation o the rotary disc so as to be alternately butted with the liquid outlet so as to be located at a liquid supply station. According to the gene sequencing instrument, the gene sequencing reagent can be rapidly and precisely loaded, the loading efficiency and the gene sequencing efficiency are greatly improved, and the whole gene sequencing cycle can be substantially shortened.

The invention relates to an image collection system, comprising an image source (11) which is used for generating a source image; a collection card (12) which is electrically connected with the image source (11) and is used coding and analyzing the source image; and system software (13) which is installed in the collection card (12) and an upper computer electrically connected with the collection card (12) and is used for controlling the image source (11) and the collection card (12) to carry out image collection and transmission. According to the image collection system provided by the invention, image collection and data storage are integrated; the system is characterized by high performance, low power consumption, miniaturization and high reliability; the system is applicable to various fields and is adaptive to different application environments such as outdoor, high-altitude and airborne application environments.

The invention discloses a multi-mode English teaching device for English teaching, and the device comprises a supporting mechanism; a rotating mechanism which comprises a fixed box, a drive motor, a fixed platform, a driving disc and a driven disc, wherein the output shaft of the drive motor passes through the fixed platform and is fixed on the lower surface of the driving disc, and the driving disc is driven by the drive motor to rotate and drives the driven disc to rotate; an English card clamping mechanism which comprises a vertical column fixed at the center of the upper end face of the driven disc, and a hexagon display box; an audio player which is disposed on the upper end face of the fixed platform and stores the pronunciation of contents written on the English cards; and a controller which is disposed on the upper end face of the fixed platform and controls the drive motor and the audio player. The device provided by the invention is suitable for any teaching environments, isportable, and is suitable for students to learn the pronunciation of words and memorize the spelling of words.

A micro-chamber microfluidic system for microbial growth image detection is disclosed. The system includes a microscope, a constant current syringe pump, a syringe, a constant-temperature stage, a micro-chamber microfluidic chip, a collector and a CMOS video detection component. The constant-temperature stage is disposed on a microscope stage. The micro-chamber microfluidic chip is arranged on theconstant-temperature stage. A micro-chamber structure having an independent design can be used for real-time microbial culture. The CMOS video detection component is connected and fixed above the microscope, and is used for measuring morphological changes of bacteria in each micro-chamber in the micro-chamber microfluidic chip. The CMOS video detection component also includes a computation unit,and the computation unit is used for acquiring clear gray level image information of microbes based on a linear spatial filtering implementing principle and a corresponding segmentation equation and coefficients. The system effectively overcomes a technical defect that traditional microbial image detection methods are time-consuming, labor-consuming, expensive, single in function, and incapable ofacquiring long-time real-time real microbial growth image information, and has a great application prospect.

The invention discloses a portable grating projection three-dimensional surface-shape measurement system and a method. The system comprises an embedded board type development platform and an Intel Atom-series processor is adopted as the core of the embedded board type development platform. A Windows 8 system is adopted as the development system of the system. Based on the grating projection method, a digital grating projection module, an image capturing module, a phase calculating module, a phase unwrapping module, a three-dimensional topography re-establishing module and a parameter setting module are arranged to form a high-precision and non-contact type high-speed three-dimensional surface-shape measurement system by utilizing the C++ language, the Qt database and the Open CV database. The non-contact type portable three-dimensional surface-shape measurement system is high in precision and high in speed.

The invention discloses a double-microphone Bluetooth heart sound enhancing system of a stethoscope. The double-microphone Bluetooth heart sound enhancing system of the stethoscope comprises a microphone module, an audio frequency encoding and decoding module, a digital signal processing module and a Bluetooth module, wherein the microphone module, the audio frequency encoding and decoding module, the digital signal processing module and the Bluetooth module are connected electrically; a first microphone module is arranged towards a chest, and is used for collecting a heart sound signal; a second microphone module is arranged towards the external air, and is used for collecting a noise signal; audio frequency encoding and decoding module is used for carrying out analog-to-digital conversion and aamplification processing on the collected heart sound signal and noise signal; the digital signal processing module is used for carrying out enhancement processing on the heart sound signal processed by the audio frequency encoding and decoding module, and selecting, according to a phonetic feature parameter, the heart sound signal in signals processed by the audio frequency encoding and decoding module; the Bluetooth module is used for sending the selected heart sound signal. By using the double-microphone Bluetooth heart sound enhancing system of the stethoscope, a doctor can hear a clearer signal, so as to better diagnose the state of a heart.

The invention provides a network cable tester, and relates to the technical field of network maintenance equipment. The network cable tester comprises first and second network cable sockets, the firstnetwork cable socket is internally provided with four impedance circuits, and the second netting twine socket is internally provided with three impedance circuits; the output ends of the seven impedance circuits are connected with a comparison circuit, and the comparison circuit shapes and converts voltage signals output by the seven impedance circuits into digital signals; the output end of thecomparison circuit is connected with a logical judgment circuit, and the logical judgment circuit carries out logical judgment on the digital signals generated by shaping and conversion, and thus, obtains the type and conduction condition of a network cable to be tested; a network cable type and conduction condition display circuit is connected with a display screen, and the display screen displays the type and conduction condition, obtained by the logical judgment circuit, of the network cable to be tested. Thus, the network cable is detected, the conduction condition of the network cable tobe tested, a core connection manner in the network cable and the signal transmission quality of the network cable can be determined conveniently, and convenience is provided for users.

The invention discloses a digital display grinding device for a high-temperature high-pressure steam valve sealing surface. The digital display grinding device comprises a stepping motor, a lifter, a lifting platform, a first fixing bolt, a main shaft, a grinding disc, a turbine box, a grinding motor and the like, wherein the stepping motor is connected with the lifter; the lifting platform and a bracket upper plate are connected with the lifter; the lifting platform is positioned above the bracket upper plate and is connected with the turbine box; the turbine box is connected with the grinding motor; a plurality of cameras are mounted on the bracket upper plate; the bracket upper plate is connected with the grinding disc through the main shaft; and the grinding disc is connected with a tensioning device. The digital display grinding device has the characteristics of portability, light weight, modularization, high grinding precision and high stability.

The invention discloses a portable high-precision event sequence recording test instrument and test method, and belongs to the technical field of event sequence recording. The test method comprises the following steps of: outputting a trigger signal to each channel of an event sequence recording module by the test instrument according to a selected test mode; and determining whether the channel trigger sequence for the test instrument and real-time record of the event sequence recording module are consistent so as to detect whether the function of the event sequence recording module is accurate. The test instrument has the advantages that absolute precision for event occurrence is ensured, the clock synchronization performance of a tested system can be conveniently detected, the number of slave computers can be reasonably selected when tested objects are a plurality of the recording modules, and the slave computers can be distributed in different positions so as to facilitate cable connection.

The steel wire rope locking device comprises a connecting plate, a wedge-shaped groove is formed in the side face of the connecting plate, a wedge is inserted into the wedge-shaped groove in a matched mode, the two ends of the wedge-shaped groove are open, first grooves are formed in the side walls of the two sides of the wedge-shaped groove respectively, and second grooves are formed in the side faces of the two sides of the wedge respectively. And when the wedge is inserted into the wedge-shaped groove, the first groove and the second groove on the same side are oppositely arranged. The steel wire rope locking device provided by the invention is convenient to adapt to quick operation of locking a temporary stay wire of a line, is convenient to operate, high in efficiency and high in universality, and can quickly assist field maintenance personnel in quickly locking a steel wire rope.

The invention relates to a portable visual ship equipment structure vibration tester, which is characterized in that a power supply management module, a sensor module, a signal conditioning module, anA/D conversion module, an FPGA module, a liquid crystal display module and an external expansion data memory are integrated into a whole to form the portable vibration tester; wherein the power supply management module comprises a reference voltage supply unit and a charging unit; the sensor module converts the vibrated signal into a voltage signal and inputs the voltage signal into the signal conditioning module; the signal conditioning module amplifies a weak signal input by the sensor module and provides a signal for A/D conversion; the A/D conversion module converts an analog signal inputby the signal conditioning module into a digital signal for the FPGA to perform data processing; the FPGA module is used for processing vibration signals and transmitting processed data to the liquidcrystal display module and the external expansion data memory. According to the invention, rapid test and analysis of structural vibration of ship equipment can be realized.

The invention discloses a fermented yellow water detection device, which comprises a housing; a reaction disc driven by a motor to rotate is horizontally arranged in the housing; an image processing assembly and a sample adding assembly are arranged right above the reaction disc; a sample adding hole and a plurality of reaction tanks communicated with the sample adding hole are formed in the reaction disc; a reagent capable of performing color development reaction with a sample solution is added into each reaction tank; the sample adding assembly is used for adding a sample solution into the sample adding hole; the reaction disc is driven by the motor to rotate, so that the sample solution in the sample adding hole enters each reaction tank under the action of centrifugal force to be subjected to color development reaction with the corresponding reagent; and the image processing assembly analyzes and calculates yellow water detection parameters corresponding to each reaction tank by capturing color changes before and after reaction in each reaction tank. According to the device, the change degree of the color of each reaction tank before and after reaction is captured through the image processing assembly, an existing mode of judging through experience and sense organs is replaced, and yellow water is scientifically, quantitatively and effectively analyzed.