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184results about How to "No human error" patented technology

Automatic calibration line and method for intelligent type low-tension current transformers

The invention discloses an automatic calibration line for intelligent type low-tension current transformers, comprising a warehouse in-out device, a loading and unloading device, an automatic identification device, a transmission device, an automatic line connecting and disconnecting device, a calibration device and a sorting and labeling device, wherein the warehouse in-out device realizes the automatic warehouse in-out of the intelligent type low-tension current transformers; the material loading and unloading device realizes the automatic loading and unloading of the intelligent type low-tension current transformers; the automatic identification device realizes the automatic identification of the intelligent type low-tension current transformers; the transmission device realizes the automatic transmission of the intelligent type low-tension current transformers; the automatic line connecting and disconnecting device realizes the automatic line connection of the intelligent type low-tension current transformers for the calibration by the calibration device and also realizes the automatic line disconnection of the intelligent type low-tension current transformers; and the sortingand labeling device realizes the automatic sorting of the intelligent type low-tension current transformers. The automatic calibration line is free from manually carrying out the warehouse in-out, the transmission, the identification, the sorting, the loading and unloading and the line connection and disconnection on the intelligent type low-tension current transformer when calibrating the intelligent type low-tension current transformer, and has the advantages of no personal error, high calibration efficiency, good automation degree and capability of automatically measuring multiple transformers. The invention also discloses an automatic calibration method of the intelligent type low-tension current transformer.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST +2

Breast X-ray machine and method for realizing fully automatic exposure

The invention relates to a breast X-ray machine comprising a control system, an exposure system which is connected with the control system and controlled by the control system, and a detection system, wherein the detection system comprises a breast information collection device for collecting breast information and an X-ray information collection device for collecting X-ray information; and the control system controls the exposure system according to the breast information and the X-ray information. The control system can intelligently and dynamically adjust an exposure parameter according to the X-ray information collected by the X-ray information collection device and control the exposure system to carry out fully automatic exposure so as to realize an optimal exposure effect. In addition, a method for realizing the fully automatic exposure of the breast X-ray machine calculates the dosage of the X-ray required by realizing the optimal exposure effect according to the remain information of the X-ray so as to dynamically adjust the exposure parameter until the dosage of the X-ray reaches the required dosage, thereby realizing the optimal exposure effect.
Owner:SINO MEDICAL DEVICE TECH

Automatic calibration system for urea metering jet pumps and calibration method thereof

The invention relates to an automatic calibration system for urea metering jet pumps, and the system comprises an urea tank, a metering jet pump, a weighing device, a container, a jet pipeline, a reversing valve, a return pipeline and a control module, wherein the container is arranged on the weighing device, and the jet pipeline is arranged at the downstream of the metering jet pump; the urea tank, the metering jet pump and the container are sequentially communicated through pipelines, the reversing valve is arranged at the downstream of the metering jet pump, the jet pipeline is communicated with the reversing valve and the container, and the return pipeline is communicated with the reversing valve and the urea tank; and the control module is electrically connected with the reversing valve, and controls the reversing action of the reversing valve. The invention also relates to a calibration method of the automatic calibration system for the urea metering jet pumps. The system disclosed by the invention is simple in structure and convenient in automatic control operation, and does not cause human errors, thereby greatly improving the calibration efficiency and the calibration precision.
Owner:SUZHOU POWERGREEN EMISSION SOLUTION SYST

Image identification method of indicating values of LCD (liquid crystal display) digital display instrument

The invention provides an image identification method of indicating values of an LCD (liquid crystal display) digital display instrument, comprising the following steps of: reading video streams of a camera, and acquiring frames at preset time intervals to obtain an image; determining a zone in which numbers are located, wherein the zone comprises the numbers only, and capturing the image of the zone to be taken as a subsequently-processed image; preprocessing the image, converting the image into a binary image, separating each number in the binary image to obtain independent pure-number images, and carrying out stroke correction on the numbers in all the pure-number images according to the stored pure-number images; and identifying number meanings represented by the pure-number images and decimal points in sequence, and calculating the indicating values of the LCD digital display instrument. The method provided by the invention has the advantages that the numbers in the digital display instrument can be identified by a computer, labor intensity is low and no personal error is caused.
Owner:ZHEJIANG UNIV

Body-based food cold chain tracking method and system

The invention provides a body-based food cold chain tracking method and a body-based food cold chain tracking system. The method comprises the following steps of: acquiring the surrounding temperature of a product to obtain temperature information; performing semantic processing on the temperature information; once the temperature exceeds a warning value, writing abnormal temperature information and vehicle position information and time information corresponding to the abnormal temperature information into a radio frequency identification (RFID) tag at the same time of controlling an alarm module to give an alarm; and displaying the temperature information in a curve form by editing, and giving an alarm to a monitoring person when the temperature exceeds the warning line. The semantic processing is body-based semantic processing of the temperature information, namely logicalizing the information containing product temperature, transport time and transport site. According to the method and the system, real-time and accurate monitoring of the whole temperature life cycle during tracking the cold chain process can be realized.
Owner:EAST CHINA UNIV OF SCI & TECH +1

Quick test kit of schistosomiasis and preparation method thereof

The invention discloses a quick test kit of schistosomiasis and a preparation method thereof. A water absorbing pad, a pyroxylin film, an aerosol bonding pad and a sample pad are and sequentially connected in horizontal direction and fixed on a baseplate which is arranged in a kit body, and the kit body is provided with an observation window corresponding to the pyroxylin film and a sample loading hole corresponding to the sample pad. Only an one-step operation is needed when the quick test kit is used, and the quick test kit not only can detect serum and plasma samples, but also can detect awhole blood sample, thereby avoiding the step of obtaining the serum sample which can be obtained only through a centrifugation step from a blood sample, and greatly improving the screening speed. The quick test kit can also detect whether animals such as cows, horses, pigs, rabbits, and the like have the schistosomiasis or not so as to overcome the defect that different kits are needed to be prepared for detecting different species of other kits.
Owner:SICHUAN MACCURA BIOTECH CO LTD

Self-service type elastic bandage winder

InactiveCN107411893AEasy to wrapNo time spentBandagesElectric machineGear wheel
The invention discloses a self-service type elastic bandage winder. The self-service type elastic bandage winder comprises a base, a bracket, a first gear, a bottom plate, cams, a second gear and a rotating frame, and the base is provided with a rack and a sliding groove parallel to each other, the first gear is engaged with the rack, and the bracket is in sliding connection with the base; a tension spring connected with the rack is arranged in the rack direction on the base; a plurality of supporting rods are slidably arranged on the bracket, the bottom plate is slidably connected with the supporting rods, and a spring is arranged between the bottom plate and the supporting rods; a first motor is fixed to the bottom plate, and the first motor, the first gear and the cams are coaxially connected; the bracket is provided with a second motor, and the second motor and the second gear are coaxially connected; and the bracket and the rotating frame are rotatably connected, a gear ring which is engaged with the second gear is arranged at the outer edge of the rotating frame, and a bandage box is fixed in the rotating frame. Compared with the prior art, the winder can wrap the elastic bandage on limbs of a burned patient quickly and well without operation of professional medical personnel, and the whole process is very time-saving and labor-saving.
Owner:THE FIRST AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIVERSITY OF PLA

Photovoltaic power station low voltage ride through detecting system in high altitude area

The invention provides a photovoltaic power station low voltage ride through detecting system in a high altitude area. The photovoltaic power station low voltage ride through detecting system comprises a power grid, a power grid side transformer, a testing unit, a photovoltaic side transformer, a tested photovoltaic unit and an automatic detecting control system. The automatic detecting control system comprises a monitoring module monitoring a tested unit, a control module achieving automatic control, and a processing module analyzing detected data. Full-automatic design is adopted in the system control, the system automatically selects the matched reactive resistance combination and simulated failure time and adjusts a tapping switch to the corresponding position to finish reactive resistance matching, selects the simulated grid fault type and switches the position of a single-phase disconnecting switch to finish grid fault type matching according to the voltage drop depth and the simulated failure type input by a background tester, the low voltage ride through test is finished, the hardware protection function and the software protection function of the whole set of system can be matched, the self-diagnosis function is complete, and the stability is good.
Owner:STATE GRID CORP OF CHINA +3

Portable gas monitor for monitoring volatile organic compounds by using differential optical absorption spectroscopy

The invention provides a portable gas monitor for monitoring volatile organic compounds by using differential optical absorption spectroscopy, comprising a heating sampling probe, a heating sample conveyer, a heating detecting gas chamber, a light source, a spectrometer, a GPRS (general packet radio service) positioning and data transmission unit, a flow metering and exhausting device, and a computer control system; the heating sample conveyer is connected with the heating sampling probe and the heating detecting gas chamber; light from the light source enters the heating detecting gas chamber and is reflected by a DOVE prism to enter the spectrometer; a mass flow meter of the flow metering and exhausting device is connected with an exhaust nozzle of the heating detecting gas chamber, and flow and on-off of a sampling pump are automatically controlled by the computer control unit; the computer control system uses received data to calculate characteristic signals of gas absorption by using differential difference technique to obtain gas concentration; the accuracy and sensitivity of detection results can be improved through DOVE prism reflection, gas concentration correction and differential difference technique.
Owner:青岛博睿光电科技有限公司

Automatic coal blending system

ActiveCN102951459AReduce labor intensityLess likely to cause overdose problemsLoading/unloadingThermodynamicsElectric machinery
The invention discloses an automatic coal blending system which is used for blending a first kind coal and a second kind of coal with different burning points into blended coal with a required burning point in accordance with a preset proportion. The automatic coal blending system comprises a weighing unit, a blending unit and a control unit, wherein the weighing unit comprises two weighing mechanisms which are respectively used for weighing the coal; each weighing mechanism comprises a containing hopper and a weighing hopper, wherein the containing hoppers are used for containing the coal, and the weighing hoppers are used for weighing the coal; a discharge port of each weighing hopper extends to a corresponding transmission mechanism; a discharge mechanism and a weighing device are arranged on each weighing hopper; each weighing device is in signal connection with the control unit; and a driving charge motor is in signal connection with each control unit. The required coal is accurately weighed by the weighing devices composed of weighing sensors, so that the quantity of the coal in the weighing hopper can be monitored in real time, and the excessive problem does not easily occur. The whole system is electrically and mechanically controlled, therefore, the automatic coal blending system has the advantages of more accuracy and high efficiency, the labor intensity of workers is reduced, a large scale can be realized, and the requirements of all fields can be satisfied.
Owner:金福民

Method for testing starting reliability of equipment

The invention provides a method for testing the starting reliability of equipment. The method includes using a time relay to supply power for the tested equipment; debugging the time replay in advance to acquire power-on time intervals and power-off time intervals; connecting the tested equipment with a computer by a serial port; and running testing software on the computer to detect whether the tested equipment is started successfully or fails to be started within a power supply period consisting of one power-on time interval and one power-off time interval so as to acquire frequency of successful starting or failed starting of the tested equipment. Compared with the prior art, the method has the advantages that automatic testing is realized, manpower is omitted during testing, artificial errors are prevented, and work efficiency is high.
Owner:PHICOMM (SHANGHAI) CO LTD

Automatic lifting and locking device and method for offshore floating platform

ActiveCN110481723AGuaranteed to withstand the forces of natureGuaranteed EngineeringArtificial islandsUnderwater structuresLocking mechanismFloating platform
The invention relates to an automatic lifting and locking device and method for an offshore floating platform. Ascending and descending of the floating platform depends on the combined action of buoyancy and gravity of the floating platform, and an automatic unlocking and locking mechanism is arranged between the floating platform and a supporting column, so it is guaranteed that the floating platform fluctuates along with tides, and it is also guaranteed that the floating platform can bear transverse and longitudinal stress. The automatic unlocking and locking mechanism is composed of a sliding pin, a push rod, a push disc, a floating ball, a swing rod, an idler wheel, a floating platform and a supporting column, wherein the push rod and the push disc are connected with the sliding pin; the swing rod and the idler wheel are connected with the floating ball; horizontal holes are arranged in the floating platform and the supporting column; the idler wheel is pressed on the push disc; the swing rod is fixed to the floating platform through a connecting frame; compression springs and ejector rods are arranged in a plurality of horizontal holes in the supporting column; and the ejectorrods abut against the sliding pin. By means of the automatic lifting and locking device, the floating platform can ascend and descend along with changes of the sea level along with tides, meanwhile,the floating platform can be automatically locked and limited, and it is guaranteed that the floating platform bears natural force and engineering force. Compared with the prior art, the device is simple in structure, safe, reliable and free of energy consumption.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

API document generating method and system based on SpringMVC

The invention provides an API document generating method and system based on SpringMVC. Through a self-defined note, API information is marked in self-defined data Bean which is used for parameter output and input of a function of a Controller layer of a server side code, the parameter output and input introduction of the function is automatically captured through a method of traversing the code Controller layer running on a server side, all parameters of the parameter output and input are analyzed, an API document is generated, through the mutual introduction and nesting of parameter objects, a parameter hierarchical structure of API is automatically established, then the result obtained through traversing and analyzing is issued to a Web client side, and a visual API technological document is provided for front-end developers. The problems that the API document is not timely in updating and maintenance cost is high can be solved, the time cost is saved for the developers, and the working enthusiasm is improved.
Owner:蓝海天网科技有限公司

System and method for automatic partition of intelligent substation and optimization of VLAN

A system for automatic partition of an intelligent substation and optimization of a virtual local area network comprises a data importing module, a generating module, a checking module and a performance evaluation module, wherein the data importing module, the generating module, the checking module and the performance evaluation module are sequentially connected in the importing data flow direction, the generating module directly transmits data to the performance evaluation module and the checking module, the performance evaluation module further feeds the data back to the generating module, and the performance evaluation module outputs the data finally. The invention further relates to a method for automatic partition of the intelligent substation and optimization of the VLAN. The system and the method have the uniform partition principle, are reasonable and distinct in partition, can conduct conversion check, will not produce human errors, and reduce workload of manual configuration of the VLAN of the intelligent substation.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID

Vehicle turning circle track test system and method

The invention discloses a vehicle turning circle track test system and method used for testing the turning circle passing of an automobile, a trailer, and an automobile train. A rotatable column is arranged, and an angle sensor, a distance measurement sensor and an image acquisition device are fixed to the column and are connected to a computer. A vehicle to be tested is provided with an image and / or distance collection mark, a distance measurement sensor mark position or an initial distance between a vehicle wheel shaft head and a wheel edge in a turning circle are recorded and are used for computer software data correction. In a test, the vehicle to be tested walks along the periphery of the turning circle, the image acquisition device acquires the mark on the vehicle in many times circularly, the angle and distance of the mark are synchronously measured in each time, then all angle and distance data are fitted, the track of the mark is formed, and the diameter of the turning circle is calculated. The system and the method have the advantages of simple operation and a small error, a track is formed in the computer, and the environment is not polluted during a collection process.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

Concrete slump controlling method and system of mixing station

The invention provides a concrete slump controlling method and a concrete slump controlling system of a mixing station. By using rigorous data acquisition, the influence on the whole data average value by individual abnormal data is avoided; according to host current and a corresponding relation between the host current and the concrete slump degree, the concrete slump degree is accurately acquired; moreover, an operation of an experienced operator is not needed, and personal errors are eliminated, so that the acquisition process of the slump degree is simple and accurate; finally, water addition or reduction parameters are calculated on the basis of the slump degree of the concrete in the acquired stirring device and construction site requirement slump degree, so that the accurate control of the concrete slump degree of the mixing station is realized.
Owner:HUNAN WANWU IND SOFTWARE

Three-point-linked variable spherical curvature measuring instrument and method therefor

InactiveCN1971211AHigh positioning accuracyThe structure of the variable diameter measuring ring is simple and novelUsing optical meansMechanical measuring arrangementsContinuous measurementMeasuring instrument
A triple coordinated type reducing sphere curvature measuring apparatus and measuring methods which are used to measure the curvature radius and arc profile tolerance of sphere elements are disclosed. The triple coordinated type reducing sphere curvature measuring apparatus includes grating ruler, stepping motor, SCM, display, ball feed screw, slide bar, guide bar, slider, brace, workbench and base. The measuring methods are that the first bilge is detected at some initial position of ring radius, then the ring radius is changed to another position, the second bilge is detected; at last the surface curvature radius of sphere elements to be detected and current measurement accuracy can be calculated by SCM based on the measure equation. Further, it is characterized in that measurement result can be instantaneous displayed, measurement can be continuous, measurement accuracy is high, it don't need flat crystal cyclical test.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI

Kit for detecting human PEAR1 gene polymorphism and application thereof

The invention relates to a kit for detecting human PEAR1 gene polymorphism and an application thereof. The kit includes the following substances: a specific primer and a specific fluorescent probe for detecting an rs2768759 locus on PEAR1 gene, a specific primer and a specific fluorescent probe for detecting an rs12041331 locus on the PEAR1 gene, a Taq DNA polymerase, dNTP mixed liquid, a MgCl2 solution, a fluorescent quantitative PCR reaction buffer liquid and deionized water. The kit overcomes the defects in various gene mutation detection methods, is high in detection accuracy, is simple and convenient, is short in detection time and is simple in result analysis. The kit is suitable for clinical laboratories and can perform qualitative detection to the two polymorphic sites, the rs2768759 and the rs12041331, on the PEAR1 gene, wherein a PCR fluorescent amplification reaction is carried out according to the SNP locus. A result can be determined just on the basis of whether two different fluorescent curves are positive or not without manual error, so that the kit is improved in efficiency and reduced in detection cost. The kit is free of DNA extraction, wherein a suspension liquid after cell pyrolysis is added to the reaction system to complete amplification.
Owner:南京仁天生物科技有限公司

Cylindrical shaft rod piece inwards-concave arc ring groove machining device and using method thereof

The invention relates to the field of shaft rod piece groove machining equipment, in particular to a cylindrical shaft rod piece inwards-concave arc ring groove machining device and a using method thereof. A cutter used for cutting a workpiece is arranged on a machine tool base, a feeding mechanism used for automatically conveying the workpiece is arranged on the machine tool base, the feeding mechanism drives a clamping mechanism to clamp and fix the workpiece by pushing the workpiece, a cutter feeding mechanism is arranged on the machine tool base, the cutter is fixed on the cutter feeding mechanism, and the cutter feeding mechanism drives the cutter to cut the workpiece. A material receiving box used for receiving the machined and formed workpiece is fixed to the machine tool base. According to the cylindrical shaft rod piece inwards-concave arc ring groove machining device and the using method thereof, in the whole machining process, no manpower is needed for installation and taking-out work of the workpiece, the work efficiency is improved, no personal error is generated, the product yield is increased, and the product machining difficulty is lowered.
Owner:吴子昂

Queuing method and system for active recognizing visitant customer

A queuing method and system related to controlling for actively recognizing VIP clients are provided, which comprise a queuing host, a users' data terminal and a wireless handheld device. The queuing host obtains the users' data from the users' data terminal according to the information on RFID label card, by which the clients' queuing is managed. The system is characterized in comprising also at least one RFID label card and the card reader. The card reader reads the card information on RFID label and sends it to the queuing host, by which the queuing and users' data sent by the queuing host will be displayed onto the wireless handheld device. The recognition method is that firstly, the card reader automatically identifies the label, reads the card information and then sends it to the queuing host; secondly, the queuing host obtains the users' data from the users' data terminal, generates the queuing information and finally sends them to the wireless handheld device through wireless channels; thirdly, the queuing information and users' data are displayed on the wireless handheld device. The invention has the advantages of easy operation, high reliability, fast speed and strong practicality.
Owner:SHENZHEN AOTO ELECTRONICS

3D hand-eye calibration method and device for mobile robot

The invention provides a 3D hand-eye calibration method and device for a mobile robot. The method comprises the following steps: S1, calibrating the view finding range of a camera to cover all degrees of freedom of the mobile robot; S2, recording point cloud data of a calibration ball held by the mobile robot in a camera coordinate system and a robot pose corresponding to the calibration ball in a current robot coordinate system to form n groups of point cloud data; S3, extracting the point cloud of the spherical surface of the calibration ball, and determining the coordinate value of the center point of the calibration ball in the camera coordinate system in each group of point cloud data by adopting a least square fitting algorithm; S4, solving offset and a hand-eye calibration matrix according to a first algorithm according to the pose of the robot and the coordinates of the center point of the corresponding calibration ball; and S5, converting the hand-eye calibration matrix into an Euler angle form, and taking a hand-eye calibration matrix result as an initial value of nonlinear optimization; and respectively calculating a hand-eye calibration matrix and a difference value between the offset and the truth value according to a second algorithm, and correcting the hand-eye calibration matrix according to the difference value. Therefore, the adaptation requirement for the degree of freedom of the robot is lowered, and the universality is improved.
Owner:上海仙工智能科技有限公司

Precision test device and method of electric energy quality monitor

The invention discloses a precision test device of an electric energy quality monitor. The precision test device comprises a standard source, standard equipment, a detected equipment, a network switchboard, a first server and a second server, wherein the standard equipment and the detected equipment are respectively connected with the standard source; the standard equipment, the detected equipment, the first server and the second server are connected through the network switchboard to form a local area network; and the standard source is used for generating a signal to be detected, the standard equipment and the detected equipment are used for respectively acquiring the signal to be detected to respectively generate data packets and upload the respective data packet onto the first server through the network switchboard, and the second server is used for reading the data packet of the first server through the network switchboard and comparing the data packet from the standard equipmentwith the data packet from the detected equipment. The invention further discloses a precision test method of the electric energy quality monitor. According to the precision test device and method disclosed by the invention, the working efficiency can be improved and artificial errors are thoroughly eliminated.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +1

Track circuit traction current interference resistance testing device based on virtual instrument

The invention discloses a track circuit traction current interference resistance testing device based on a virtual instrument and belongs to the field of traction current interference resistance testing of railway signal devices. The device achieves the purpose of track circuit traction current interference resistance testing. The analog output of a PXI multifunctional capture card of the device is connected with the midpoint of a sending end coupling device and the midpoint of a receiving end coupling device through a power amplifier. A steel rail I current sensor and a steel rail II current sensor are installed at one end of an analog steel rail I and one end of an analog steel rail II. The two ends of the sending end coupling device are connected to the other end of the analog steel rail I and the other end of the analog steel rail II in parallel. The output of the steel rail I current sensor and the output of the steel rail II current sensor are connected with an analog input port of the PXI multifunctional capture card. The two ends of the receiving end coupling device are connected to the steel rail I and the steel rail II in parallel. A track relay contact is connected with a digital input port of the PXI multifunctional capture card. The device can output various superimposed harmonic interferences at the same time, the transient process of the critical interference of a tested device can be precisely captured, no manual intervention is needed every time testing is performed, the testing precision is improved, and the measuring time is shortened.
Owner:CHINA RAILWAYS CORPORATION

Low-frequency vibration isolation test bench and vibration detecting system

InactiveCN110375940ATest vibration isolation performanceCheck the effect of vibration isolationVibration testingVibration amplitudeTest bench
The invention relates to a low-frequency vibration isolation test bench and a vibration detecting system. A vibration isolator is fixed on a vibration table, the input vibration is obtained from the vibration table, the vibration is isolated or weakened by an internal structure, and then the final vibration is outputted from a platform at a top of the vibration isolator. A high-speed camera and atungsten illuminator are placed on the front and rear sides of the vibration table. Light from the tungsten illuminator enters the high-speed camera, a portion blocked by the vibration isolator formsa shadow, and so that the vibration isolator can be seen in the high-speed camera. The invention is suitable for detecting low-frequency vibration of a millimeter scale and above, and the vibration isolation effect of the vibration isolator operating in the range can be quickly and easily detected. The invention has the advantages that: (1) a vibration source platform with adjustable amplitude andfrequency is provided, the vibration source platform is simple and practical, and functions and costs are considered, and (2) the vibration information is obtained by using a method of computer imageprocessing, the applicability is high, the invention has no special requirement for a working environment, and the non-contact measurement of vibration is achieved without introducing a human error.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Test strip for testing psychrophiles in chilled foods and preparation method thereof

The invention discloses a test strip for testing psychrophiles in chilled foods and a preparation method thereof, which belong to the technical field of biosensors. The test strip comprises a substrate, a transparent membrane, a reaction membrane, a glass fiber piece and polyester plates, wherein the glass fiber piece, the reaction membrane and the transparent membrane are sequentially and fixedly arranged between the polyester plates and the substrate from top down; the two ends of the glass fiber piece are connected with the inner sides of two polyester plates respectively; the outer sides of the polyester plates are fixedly connected with the substrate; and the center of the substrate is provided with a through hole just opposite to the transparent membrane. The test strip has high sensitivity, high accuracy, good repeatability and a wide application range and can be effectively preserved for more than one year.
Owner:SHANGHAI JIAO TONG UNIV

Instant cold and hot forming method and forming equipment for multi-color products

ActiveCN106079245ANo human errorAvoid incomplete vacuumingEngineeringInjection moulding
The invention provides an instant cold and hot forming method for multi-color products. The conventional forming process form is broken through, and multi-color product blanks are formed by injection molding under a cold die state; the multi-color product blanks are kept in the same die and not separated from a die cavity, so that no manmade operation errors are caused between the multi-color product blanks and the die, no gaps are formed, and no air enters; the phenomenon that formed products are low in quality such as requirement for painting and surface burning due to color crossing is avoided; furthermore, the phenomena that the vacuumizing operation is needed to be carried out before forming and the products cannot be completely vacuumized in the conventional process are avoided; moreover, the die is quickly heated to the forming temperature, to form the multi-color products; the die is opened to take out the finished multi-color products; the die is quickly cooled to the cold die state, and new multi-color product blanks are formed by injection molding under the cold die state; and therefore, instant cooling and heating are cyclically carried out, to simply, efficiently and successfully form the multi-color products with high quality. The invention further provides instant cold and hot forming equipment for the multi-color products.
Owner:QUANZHOU THREE SICHUAN MACHINERY

Positioning pin dimension detector

The invention provides a positioning pin dimension detector which comprises a base. The base is provided with a first slide rail in a front-and-back direction. A first sliding table is mounted on the first slide rail. A first driving device is fixed at one side of the first slide rail. A second slide rail is mounted on the first sliding table. A second driving device is fixed with one end of the second slide rail. The second slide rail is provided with a second sliding table. The second sliding table is provided with a spacing board. The spacing board is provided with spacing holes for placing the positioning pins. A height limiting board is arranged above the spacing board. The height limiting board is fixed on the base through a bracket. The height limiting board is provided with through holes for penetration of the positioning pins. The diameter of each through hole is larger than that of the spacing hole. The positioning pin dimension detector can detect the length of each positioning pin, and furthermore has advantages of simple structure, low fabrication cost, low failure rate, high detection result accuracy, no manual error and high suitability for application for quality inspection on the positioning pins.
Owner:杜淮北

Roll type double-sided adhesive tape and sheet type aluminum foil attaching device

The invention discloses roll type double-sided adhesive tape and a sheet type aluminum foil attaching device. The sheet type aluminum foil attaching device comprises a rotary attaching plate. A movable end of a mechanical hand is provided with a sucking jig. An ejecting and clamping assembly is arranged between the mechanical hand and the rotary attaching plate and can evenly convey aluminum foilsheets. The roll type double-sided adhesive tape is placed on a first pay-off part. A release film is stripped off by a film tearing part, inclines rearwards and upwards and is wound by a first take-up part. A CCD detecting assembly is arranged on the lower side of the rotary attaching plate, and a rolling assembly is arranged on the rear side of the rotary attaching plate. A pulling part and a stripping machine are sequentially installed at the rear end of a main board. A collecting part is arranged at the rear end of the stripping machine, and a second take-up part is arranged at the lower end of the stripping machine. The sheet type aluminum foil attaching device has the advantages of being automatic in production, high in production speed, high in product precision and high in materialutilization rate.
Owner:LINGSHENGCHENG TECH JIANGSU CO LTD
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