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158results about How to "No adjustment required" patented technology

Cigarette filter tip rod capable of sustained releasing mint and production technique thereof

The invention discloses a mint-releasing cigarette filter tip and a production technique thereof, relating to a cigarette filter tip and the production technique thereof. The mint-releasing cigarette filter tip contains tow material in which cotton thread infused with mint essence solution is wrapped; film-forming material solution is adsorbed at the outer layer of the cotton thread infused with mint essence solution; mint essence is added in the film-forming material solution; and the film-forming material includes natural macromolecular material and synthetic macromolecular material. The mint-releasing cigarette filter tip has the advantages that: 1, adopting membrane technology, mint is low in volatility at room temperature, so the mint can be effectively released when taking the cigarette;2, the production technique is simple; 3, the mint-releasing cigarette filter tip is not changed in performance; 4, the mint-releasing cigarette filter tip can be preserved for more than one year at room temperature; 5, the mint-releasing cigarette filter tip is low in cost.
Owner:HUBEI CHINA TOBACCO IND

SAR (Synthetic Aperture Radar) image change detection method based on adaptive weight and high frequency threshold

The invention discloses an SAR (Synthetic Aperture Radar) image change detection method based on an adaptive weight and a high frequency threshold, which mainly solves problems that the detection effect is not ideal in the prior art and that a single-type difference chart is low in detection accuracy. The SAR image change detection method comprises the implementation steps of 1, reading in two SAR image I1, I2 which are acquired from the same area at different moments; 2, respectively calculating a mean ratio difference image Dm and a neighborhood log ratio difference image Dl of corresponding pixels of the image I1 and the image I2; 3, carrying out wavelet fusion on the mean ratio difference images Dm and the neighborhood log ratio difference images Dl to acquire fused difference images Xd; and 4, clustering the fused difference images Xd into two different categories so as to acquire a change detection result. The SAR image change detection method is simple to operate, good in noise resistance and high in detection accuracy, can acquire good effects for different types of SAR images, and can be applied to environment monitoring, marine observation, disaster evaluation, resource exploration, urban planning and geographical mapping.
Owner:XIDIAN UNIV

A method for preparing a nanometer porous nickel-iron-sulfur alloy having a high catalytic oxygen evolution property through electrodeposition in a eutectic type ionic liquid

The invention relates to a method for preparing a nanometer porous nickel-iron-sulfur alloy having a high catalytic oxygen evolution property through electrodeposition in a eutectic type ionic liquid, and belongs to the technical field of material preparation. The method includes fully mixing a quaternary ammonium salt with an alcohol or an amide to obtain the eutectic type ionic liquid, then adding a nickel salt precursor, an iron salt precursor and a sulfur salt precursor into the eutectic type ionic liquid, fully stirring and mixing the mixture to obtain an ionic liquid iron salt-nickel salt-sulfur salt composite electrolyte, subjecting a copper or nickel substrate that is adopted as a working electrode to repeated soaking with dilute hydrochloric acid and absolute ethanol, washing the working electrode with deionized water, then drying the working electrode, keeping the working electrode for later use, performing constant-potential electrodeposition by adopting a three-electrode system, washing the working electrode substrate after the electrodeposition with absolute ethanol and distilled water, and drying the working electrode substrate, and then a nanometer porous nickel-iron-sulfur alloy material film can be obtained on the surface of the working electrode substrate. A nickel-iron-sulfur alloy nanometer porous material having a high catalytic oxygen evolution property can be prepared by electrodeposition through the method.
Owner:KUNMING UNIV OF SCI & TECH

Predictive control system and method for reducing common-mode voltage of three-level VIENNA rectifier system

The invention discloses a predictive control system and a method for reducing the common-mode voltage of a three-level VIENNA rectifier system, which are used for solving the problems of high common-mode voltage of the three-level VIENNA rectifier system in a wind power generation system, zero-crossing point distortion of an AC side current and unbalance of a DC side neutral point voltage. The algorithm limits the common-mode voltage of the system to a very low range. The coupling problem of current zero-crossing distortion and DC neutral-point voltage imbalance control is solved. By classifying the space voltage vectors, the computational complexity is greatly reduced. The algorithm does not need current inner loop controller and PWM modulation module, and avoids the design of complex controller and the selection of complex parameters. The system and method have characteristics of simpleness, directness and effectiveness, which makes the algorithm has high application value.
Owner:SHANDONG UNIV

A large-scale image sub-block retrieval method based on a deep Hash network and sub-block reordering

The invention discloses a large-scale image sub-block retrieval method based on a deep Hash network and sub-block reordering. The large-scale image sub-block retrieval method comprises the following steps: preparing a deep network weight pre-trained by a large-scale image database and a texture picture library to be trained; extracting picture pairs from the texture picture library, when the two pictures have the same label, determining the two pictures as positive samples, and taking the two pictures with different labels as negative samples; inputting the picture pairs into two same shared weight networks for training in pairs, and setting a loss function to binarize a network output result; quickly obtaining similar pictures by using the network as a Hash code extractor; after subblockreordering is conducted on the similar pictures, quickly mapping subblocks in an original picture and obtaining a large number of similar sub-blocks. According to the method, the calculated amount isgreatly reduced, rapid retrieval of large-scale image sub-blocks is achieved, and the method can be applied to various image enhancement methods.
Owner:SOUTH CHINA UNIV OF TECH

Electronic white board with multiple common-frequency pens

The invention discloses an electronic white board with multiple common-frequency pens. A main control card of the electronic white board identifies a plurality of electronic pens and an eraser by judging the serial numbers of the common-frequency electronic pens and the eraser at different times, each electronic pen and the eraser have respective fixed serial number and work at the same frequency, and when the pens are in use, the colors of the pens can be determined without additionally selecting shortcut keys. Time sharing operation is performed on the electronic pens and the eraser, and each piece of equipment only works within respective time and does not emit a signal at other time. The emitting frequency of the electronic pens is the same as that of the eraser, the working frequencies of the electronic pens and the eraser are generated through a single chip microcomputer clock, the main control card judges the work of the electronic pens and the eraser at different times, and the working periods of the electronic pens and the eraser are synchronized through a reference signal transmitted by the main control card, so that the coordination of the work of the electronic pens and the work of the eraser is guaranteed. By the adoption of the electronic white board with multiple common-frequency pens, the requirement that a user can use over two electronic pens at the same time to write in different colors at the same time can be met.
Owner:朱立波 +2

Novel electric discharge machining machine tool for heavy-duty tire mold

The invention discloses a novel electric discharge machining machine tool for a heavy-duty tire mold. The novel electric discharge machining machine tool comprises a base. A rotation box is arranged on the base. A main shaft in the rotation box is connected with a four-jaw chuck. The face, making contact with the four-jaw chuck, of the rotation box tilts by 15 degrees. A stand column is arranged on the base. An inclined sliding plate capable of moving up and down along a guiding rail face is arranged on the stand column. An included angle formed between the inclined sliding plate and the stand column is 15 degrees. A beam is arranged on the inclined sliding plate, wherein an included angle formed between the stand column and the beam is 15 degrees. The beam can move in the direction perpendicular to the four-jaw chuck. A division rotary table is arranged at the front end of the beam. A discharging machine head is arranged on the division rotary table. The novel electric discharge machining machine tool for the heavy-duty tire mold is simple in clamping, high in rotation precision, free of timing adjustment, reasonable in machining, high in product quality and high in speed, efficiency and precision, and has the adjustable machine head.
Owner:QINGDAO YONGHEYUAN PRECISION WORK

Welding device

The invention relates to a welding device. The welding device comprises a support, a rotating arm, a splint and rotary knobs, wherein the support is fixed through a screw stem and a screw hole in the center position of a base by a strut, the strut penetrates through the center hole of a sliding block and is locked and regulated freely through a first rotary knob by a screwed hole; one end of a die arm is connected with the connection block of a connecting rod on the projection of the sliding block, the other end of the die arm is connected with the rotating arm through a second rotary knob, and the rotating arm is provided with the splint. The invention can easily and fast perform three-dimensional regulation on welding positions of welding elements and parts according to the demand of the operator, thus the operator can feel comfortable and relaxed; no tool is used for regulation; and the production cost is low, the installation is simple and the clamping is reliable.
Owner:GUIZHOU SPACE APPLIANCE CO LTD

Optical fiber alkali metal vapor laser

The invention discloses an optical fiber alkali metal vapor laser which comprises a hollow-core photonic crystal fiber, a first single mode fiber, a second single mode fiber, a first Bragg grating etched on the first single mode fiber, a second Bragg grating etched on the second single mode fiber and a pump light source connected with the first single mode fiber. The hollow-core photonic crystal fiber is evenly filled with operation materials, pump light emitted by the pump light source acts on the operation materials through first single mode fiber in a coupling mode and generates stimulated seed lasers, the simulated seed lasers are oscillated and gained back and forth in a resonant cavity formed by the first Bragg grating and the second Bragg grating, and continuous lasers are output from the second single mode fiber. The optical fiber alkali metal vapor laser is low in collimation requirement on a light path, the integrated design of the resonant cavity and the operation materials is free from adjustment and maintenance and high in stability, the whole design is small in size, light in weight, good in compactedness, and beneficial for being moved, and the lasers output by a fiber end facer is beneficial for be in coupling with an external light path.
Owner:HUAZHONG UNIV OF SCI & TECH

Control method of ice maker

The invention provides a control method of an ice maker. The ice maker comprises an ice storage box, an ice feeding device which is positioned on the bottom of the ice storage box and can be controlled to rotate, and a detecting device for detecting a full-ice state of the ice storage box. The control method comprises the following steps of: after ice making operation and ice removing operation are sequentially completed in sequence every time, performing full-ice detection for detecting whether the ice storage box is in the full-ice state or not; when the ice storage box is judged to be not in the full-ice state through full-ice detection, performing ice making operation and ice removing operation; when the ice storage box is judged to be in the full-ice state through full-ice detection,driving the ice feeding device to rotate to perform full-ice correction, and recording full-ice correction times once after completing full-ice correction once; and after performing full-ice correction each time, performing correction detection for detecting whether the ice storage box is in the full-ice state or not. The detected results of the detected full-ice state are corrected, so that the problem that the ice storage box is not filled up completely as a result of out-of-level stacking of ice blocks and is mis-declared in the full-ice state is avoided.
Owner:QINGDAO HAIER REFRIGERATOR CO LTD +1

Parallel external fixator and application method thereof

The invention discloses a parallel external fixator and an application method thereof, and relates to bone treating devices or methods. The external fixator comprises a frame part and a matching computer software part, wherein the frame part is composed of a reference ring, a shift ring and six drive rod. The application method comprises the steps that the parallel external fixator is installed; standard frontal and lateral X-ray photographs are shot; a local coordinate system of the parallel external fixator and a global coordinate system of the parallel external fixator are built; malformation parameters and installation parameters are acquired by measurement; the lengths of the six drive rods of the parallel external fixator is obtained; precise fracture reduction is achieved through treatment days given by a doctor. The parallel external fixator and the application method thereof overcome the defect in the prior art that good extremities abutting needs multiple repeated reduction which can increase the risk of secondary damages to soft tissues and nerves and blood vessels.
Owner:SHANGHAI LAIYING MEDICAL TECH CO LTD

Configurable dynamic 3D digit sensing device for sequential lighting with frequency variable fringes as well as its procedue

The device includes logic controller, digital frequency synthesizer, radio frequency amplifier, illumination emitter and image sensing receiver. The sensing procedures include following steps. The logic controller sends commands of frequency conversion andp hase modulation to the frequency synthesizer. The illumination emitter projects structured light to objects according to the said commands. An image card trigged by an external triger signal of camera generated by the logic controller completes collection of a pattern image. With a feed back signal from the image card being received, the logic controller seeds a command to the frequency synthesizer again. Further, the illumination emitter is driven by the command projects pattern light with modified frequency and phase onto objects.
Owner:TIANJIN UNIV

Detection method of film layer thickness

The invention provides a detection method of film layer thickness. By using illuminating light to illuminate a film layer to be detected, scattering light formed by scattering the film layer to be detected is acquired, a spectrogram is obtained according to the acquired scattering light, parameter information of a characteristic peak of the film layer to be detected can be obtained from the spectrogram, and thus the thickness of the film layer to be detected is determined through the parameter information. In this way, the thickness of the film layer to be detected can be automatically detected, repeated manual detection and repeated adjustment are not needed, time and labor are saved, the detection method is convenient to operate, the production cost is lowered, the capacity is improved,and a production technology is normalized.
Owner:BOE TECH GRP CO LTD +1

Special A type rack type air spring rear suspension for large-scale bus

The invention relates to a special A-type frame air spring rear suspension for a large coach, comprising an A-type frame; the front end of the A-type frame is connected with a link assembly; the two sides of the rear end of the A-type frame are sequentially provided with an air spring assembly and an absorber; the A-type frame is provided with a flexible connection end bracket of a height control valve; the rear end of the A-type frame is connected with a transverse stabilizer bar. The invention has simple structure, light weight, little peculiar parts, multiple general parts and low cost; and the rear suspension is easy to manufacture, and the axle location is accurate and reliable without regulation.
Owner:ZHONGTONG BUS HLDG

Method and device for ride height control of a motor vehicle

In a method and a device of a motor vehicle, including regulating units for adjusting the level position of a motor vehicle, at least one control unit for activating the regulating units, at least one sensor mechanism for recording the actual level position of the motor vehicle and a device for setting a setpoint level position of the motor vehicle, the actual level position being adapted to the actual speed of the motor vehicle regarding driving dynamics, whereby a set setpoint level position is able to be fixed, a limiting speed Vlimit regarding driving dynamics is able to be assigned to the setpoint level position, and this limiting speed is not able to be exceeded.
Owner:VOLKSWAGEN AG

Transporting apparatus and transporting method for container-handling installation, and container-handling installation with such a transporting apparatus

The invention provides a transporting apparatus, a container-handling installation (19) with such a transporting apparatus, and a transporting method. The transporting apparatus (30) serves for transporting containers (2) in a container-handling installation (1), which has a first container-handling arrangement (10), for handing containers (2), and a second container-handling arrangement (20), which is arranged downstream of the first handling arrangement (10) and serves for handling the containers (2) once they have been handled by the first container-handling arrangement (10). The transporting apparatus comprises a transporting path (31), which has its entire length arranged between the first and second container-handling arrangement (10, 20) and along which the containers (2) can be transported from the first container-handling arrangement (10) to the second container-handling arrangement (20), and at least one transporting element (33), which is mounted in a movable manner on the transporting path (31) and is intended for retaining and transporting a container (2), wherein preferably the transporting path (31) and the at least one transporting element (33) are configured such that the at least one transporting element (33), en route between the first and second container-handling arrangements (10, 20), compensate for a difference in speeds of transportation of the containers (2) in the first and second container-handling arrangements (10, 20).
Owner:KRONES AG

Deep learning variable-density low-quality electronic speckle stripe direction extraction method

The invention belongs to the technical field of optical detection and image processing, and relates to a deep learning variable-density low-quality electronic speckle stripe direction automatic acquisition method in order to realize batch full-automatic acquisition of a direction field for multiple low-quality variable-density ESPI stripe graphs, which comprises the following steps: 1, respectively constructing a training data set and a verification data set; 2, constructing a network model for calculating low-quality and variable-density electronic speckle stripe directions; 3, optimizing parameters in the back propagation process through a gradient descent method to perform model training; and 4, inputting the verification data set into the network, training the network model by using the training data set to obtain a model, verifying the model, testing the generalization ability of the model, and finally automatically obtaining the stripe direction by using the trained and verifiedmodel. The method is mainly applied to optical detection and image processing occasions.
Owner:TIANJIN UNIV

Double-rocker self-adaptive centering clamp

InactiveCN103331713ARealize multi-point clampingLarge diameter rangeWork holdersHydraulic cylinderSelf adaptive
A double-rocker self-adaptive centering clamp is provided with a rack, wherein a driving hydraulic cylinder and a double-rocker mechanism are arranged on the rack, the top end of the driving hydraulic cylinder body and the rack are hinged into a whole, the end of a piston rod of the driving hydraulic cylinder, and one end of a driving rocker of the double-rocker mechanism are combined with a connecting rod in a hinged mode to form a whole. The other end of the driving rocker and the rack are hinged into a whole. The connecting rod is combined with a driven rocker in a hinged mode to form a whole. When used for machining or maintaining a tubular pile, the double-rocker self-adaptive centering clamp not only can clamp a workpiece to be clamped and make no displacement generated between the clamped workpiece and the clamp, but also can achieve multi-point clamping on a cylindrical workpiece and ensure that a rotating operating machine tool can operate concentric with the clamp all the time when making peripheral operation along a circular guide rail fixedly connected with the clamp concentrically, concentric operation can be performed on the cylindrical workpieces different in diameter, and the range of diameters for adapting to the tubular piles is widened. In the clamping process, self-adaptive centering is performed, adjusting and correcting are not needed, and the clamping operation can be performed conveniently, fast and efficiently.
Owner:CHINA NAT OFFSHORE OIL CORP +2

Signal acquisition component, power battery module and automobile

The invention discloses a signal acquisition component of a power battery module, the power battery module and an automobile. The signal acquisition component of the power battery module comprises a substrate, a power connector, a signal acquiring wire and a signal acquiring element, wherein the power connector is fixed on the substrate; the signal acquiring wire is composed of a flake conductor paved on the substrate; a first end of the signal acquiring wire is connected with the power connector; the signal acquiring element is arranged on the substrate and is connected with the signal acquiring wire. According to the signal acquisition component of the power battery module provided by the embodiment of the invention, the signal acquiring wire is composed of the flake conductor paved on the substrate, so that the wire is prevented from being used for transferringthe signal, the signal acquisition component with such a structure is conveniently formed and the universality is strong.
Owner:BYD CO LTD

Potential ruler continuous material level measurement system and measurement method thereof

The invention discloses a potential ruler continuous material level measurement system free of adjustment, applicable to realtime measurement of material levels of various materials and high in measurement accuracy and a measurement method thereof. The potential ruler continuous material level measurement system comprises a conductive measurement rod (1) arranged in a metal container, wherein high-frequency voltages are applied to two ends of the measurement rod (1), a voltmeter (2) is connected between the bottom end of the measurement rod (1) and the metal container, and the periphery of the voltmeter (2) is electrically connected with a signal collecting module (3), a signal processing module (4), a central processing unit (CPU) (5), an analog-digital converter (6) and an analog quantity output module (7). When the materials make contact with the measurement rod (1), the signal collecting module (3) collects a voltage signal generated between the measurement rod (1) and the metal container, the voltage signal is subjected to calculation, voltage stabilizing and amplifying, and then the voltage signal is converted into a digital signal to be output by the analog quantity output module (7). The potential ruler continuous material level measurement system can be applied to the field of material level measurement.
Owner:珠海市长陆工业自动控制系统股份有限公司

Side bar positioning multidimensional integrated leakage resisting chain feeding machine for achieving feeding machine conveyer side bar positioning multidimensional integrated leakage resisting method

PendingCN108910409AAvoid hard twisting and breakingReduce running noiseConveyorsCleaningGear driveGear wheel
Disclosed is a side bar positioning multidimensional integrated leakage resisting chain feeding machine. The side bar positioning multidimensional integrated leakage resisting chain feeding machine comprises a machine frame and a side bar positioning multidimensional integrated leakage resisting chain conveying device, wherein the machine frame supports the side bar positioning multidimensional integrated leakage resisting chain conveying device to convey materials; the side bar positioning multidimensional integrated leakage resisting chain conveying device comprises a chain fastening multidimensional integrated leakage resisting side positioning belt, side positioning bars, a side positioning bar fastening circular chain, chain locking units, a chain gear driving unit and a chain gear redirecting unit, wherein the side positioning bars extend out of the end portions of the chain fastening multidimensional integrated leakage resisting side positioning belt, and the chain locking unitslocks the end portions of the side positioning bars onto the side positioning bar fastening circular chain to form a side bar positioning multidimensional integrated leakage resisting chain. The sidebar positioning multidimensional integrated leakage resisting chain feeding machine has the advantages of being free from slipping when started under head load, free from leakage via integrated material collecting, less prone to deviation through multidimensional positioning, capable of avoiding slipping through chain wheel start, free from noise and wear-resistant through a flexible chain, capable of avoiding material return via multidimensional integrated leakage resisting, and good in coordination between a flexible belt and a rigid chain to save adjustment and maintenance.
Owner:刘素华

QE testing apparatus and testing method for solar cell

The invention discloses a quantum efficiency (QE) testing apparatus for a solar cell. The apparatus is composed of a light source, a collecting lens, an integrating sphere, a probe and a QE test platform. The integrating sphere has an integrating sphere light outlet. The probe is an arc probe bar, wherein the central angle corresponding to the arc is smaller than 360 degrees. When the probe bar is installed at the integrating sphere light outlet, light from the integrating sphere light outlet is located inside the arc probe bar in an encircling manner. And the circle where the arc probe bar is located is overlaid with the circle where the integrating sphere light outlet is located; or the diameter difference of the two circles is smaller than 5mm and the distance of the centers of the two circles is smaller than 5mm. Using the testing apparatus provided by the invention, reflectivity and QE / IQE testing can be completed during the whole course after the one-off loading operation, so that the testing efficiency and the working efficiency are improved substantially.
Owner:盐城阿特斯阳光能源科技有限公司

Special combined front suspension for large-scale bus

InactiveCN101503052AReduce stress concentrationEliminate stress concentrationResilient suspensionsAir springAir suspension
The invention relates to a composite front suspension special for a large coach, comprising a guide leaf spring; the guide leaf spring is respectively provided with an air spring sac and a bracket, a damper and a lateral stability torsion bar. The invention maintains the original good performance of the air spring, thereby overcoming the acute shortcomings of the air spring front suspension guided by multiple connecting bars; and the invention has simple structure, accurate front axle positioning, safety and reliability, light self-weight and low cost.
Owner:ZHONGTONG BUS HLDG

Integrated coil sensor for magnetic induction medical imaging

The invention relates to an integrated coil sensor for magnetic induction medical imaging, which comprises an exciting coil and a detecting coil. The integrated coil sensor is characterized in that both the exciting coil and the detecting coil adopt plane surface spiral ring structure, the initiating terminal of the exciting coil is located in an inner ring, and the terminal end thereof is located in an outer ring; the initiating terminal of the detecting coil is located in the inner ring, and the terminal end thereof is located in the outer ring; the detecting coil is located in the space of the ring of the exciting coil, and coil assemblies are formed by the detecting coil and the exciting coil without connection through conducting wire connection; the coil assemblies are distributed on one identical surface of a printed circuit board, or two coil assemblies taking mirror images are distributed on the two surfaces of the printed circuit board. The invention has the advantages that the sensitivity is high, the adjustment is not required, and the consistency is good; and the invention is a novel coil sensor which is convenient to be fabricated in batch.
Owner:CHONGQING UNIV

Building horizontal outer sun shield plate automatic control device having ventilation function and control method therefor

The invention discloses a building horizontal outer sun shield plate automatic control device having a ventilation function and a control method therefor. The building horizontal outer sun shield plate automatic control device comprises a sensor assembly, an A / D converter, a PLC controller, a PLC controller, a sun shield plate and a ventilation sheet; the sensor assembly is used for collecting corresponding signals in real time, analog signals are converted into digital signals via the A / D converter, the digital signals are transmitted to the PLC controller, the PLC controller is used for performing logic signal processing operation according to the received real-time sensor signals, and therefore angle change control over the sun shield plate and the ventilation sheet can be finally realized. According to the building horizontal outer sun shield plate automatic control device having the ventilation function and the control method therefor, automatic control is realized via application of the PLC to a sun shield plate device, a ventilation opening and the ventilation sheet are mounted on the sun shield plate in the sun shield plate device, a sun shielding function and the ventilation function can be fulfilled, and balance between sun shielding and ventilation is attained.
Owner:YANCHENG INST OF TECH

Novel single-frequency pulse blue laser light source based on 978nm single-frequency pulse fiber laser

InactiveCN103545702ALong life and high efficiencyLow costActive medium shape and constructionErbium lasersWaveplate
The invention discloses a novel single-frequency pulse blue laser light source based on 978nm single-frequency pulse fiber laser. The novel single-frequency pulse blue laser light source is characterized by comprising a linear-polarization single-frequency Q-switching pulse-type 978nm all-fiber laser device, a collimator, a wave plate, a focusing lens, a nonlinear crystal and a dichroic mirror; a signal end of the linear-polarization single-frequency Q-switching pulse-type 978nm all-fiber laser device is connected with the collimator; the 978nm single-frequency pulse laser is collimated and outputted to be connected with the wave plate; the other end of the wave plate is connected with the focusing lens; the 978nm linearly-polarized single-frequency pulse laser is focused through the focusing lens and then is subjected to frequency doubling through the nonlinear crystal, then the remaining 978nm laser is filtered via the dichroic mirror, and single-frequency pulse-type blue laser is outputted. The novel single-frequency pulse blue laser light source has a significant application value in the aspects of high-density optical storage, biological and medical diagnosis, laser color display, underwater detection, underwater communication, remote sensing and the like.
Owner:HFB PHOTONICS CO LTD

Water-coal-slurry vibrating screen

InactiveCN102641839ASolve the function of buffering and vibration isolationPlay the role of shock absorberSievingScreeningCoal slurryPhysics
The invention discloses a water-coal-slurry vibrating screen, comprising a block discharging groove, a screen body and vibrating excitation source, wherein the block discharging groove is arranged on one end of the screen body; a vibrating groove body and a stainless steel trapezoid bar sieve net are arranged in the screen body; the vibrating excitation source is two vibrating motors mounted on two sides of the screen body respectively; the two vibrating motors are started simultaneously and has inverse rotating directions; four angle arms of the screen body are provided with a support base; and the bottom part of the support base is provide with a rubber spring. According to the invention, the water-coal-slurry vibrating screen is characterized by stable working, high screening efficiency, adjustable amplitude, low power consumption, small volume, light weight, small noise, long service life, convenient maintenance and convenient preservation.
Owner:江阴市东发机械设备制造有限公司

Measurement tool and measurement method of verticality of deep hole of tube plate

The invention discloses a measurement tool of verticality of a deep hole of a tube plate. The measurement tool comprises a support, a handle vertically arranged above the support, a core rod vertically arranged below the support, a center vertically arranged at one end of the support, and a dial indicator vertically arranged at the other end; and a tip is formed at the bottom of the center and a measurement rod is arranged at the bottom of the dial indicator. The measurement tool has the following advantages: thousands of to-be-measured deep holes can be aligned rapidly and can be measured one by one; adjustment and extra fixation are not required; and the operation is convenient.
Owner:SHANGHAI ELECTRIC NUCLEAR POWER EQUIP CO LTD

Method and device for dynamic and intelligent control of foamed concrete component proportional mixing

The invention relates to a method and a device for dynamic and intelligent control of foamed concrete component proportional mixing. A water flow sensor, a slurry flow sensor and an agent flow sensor are connected with a signal acquisition plate, and the signal acquisition plate is connected with a single-chip microcomputer controller; the single-chip microcomputer controller is also connected with a float detection switch for detecting liquid flow, an agent pump controller connected with an agent pump, a control button, a water inlet solenoid valve, and three frequency converters; the water inlet solenoid valve is connected with a water level upper limit float detection switch F5 in the float detection switch; the frequency converter is connected with a variable-frequency AC motor and a contactor, the other end of the contactor is connected with an air switch, and the other end of the air switch is connected with a three-phase power supply terminal; coils of a contactor KM1, a contactor KM2, a contactor KM3 and a contactor KM4 are connected with the single-chip microcomputer controller. According to the invention, the mixing proportions of various components of the slurry are stable, and do not change with the amount of the feed materials; the labor intensity of operators is reduced; the waste of dry materials, water, and agents is reduced; and the work efficiency is improved.
Owner:LIAONING JIJIA ENERGY SAVING WALL EQUIP

Gas detection method and device based on dispersion spectral analysis and artificial intelligence

The invention discloses a gas detection method and device based on dispersion spectral analysis and artificial intelligence. The device comprises a light source, a first condensing lens, a detection gas chamber, a second condensing lens, a dispersion element, a light-sensitive element and a micro-control unit, the detection gas chamber is used for sealing a to-be-detected gas, the light source isused for emitting a light absorbed and refracted by characteristics of the to-be-detected gas, the first condensing lens is used for straightening the light emitted by the light source, the second condensing lens is used for straightening the light penetrating through the detection gas chamber, the dispersion element is used for performing dispersion on the light through the detection gas chamber,the light-sensitive element is used for converting optical signals to image signals, and the micro-control unit is used for receiving the image signals of the light-sensitive element, performing comprehensive calculation on the image signals, and obtaining a concentration result of the to-be-detected gas. According to the method and device, various gases can be simultaneously detected, the stability is high, the measuring precision is high, the response time is fast, the influences of vapor, dust, air pressure and temperature are fully considered, adjustment and correction are avoided, the structure is simple, the cost is low, the power consumption is low, and the miniaturization is easily realized.
Owner:成都太阳神鸟智能控制有限公司
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