71results about How to "Improve production inspection efficiency" patented technology

The present invention is the measurement method of unbalance amount of tyre in dynamic balancing machine. During the measurement of static and dynamic unbalance amount of tyre with sensors, the linear mold of the corresponding relation between the unbalance amount in the calibrating plane and the sensor signals is established, so as to measuring static and dynamic unbalance amount of tyre accurately.

The invention relates to a detection system for a power terminal, wherein the detection system can improve the protection test efficiency by being used for automatically detecting power terminal input equipment, power terminal output equipment, interfaces and functions, being used for automatically generating a test report, being connected with a production informatization management system by detection software, and being used for outputting the test report or uploading the test report to the production informatization management system. The detection system comprises an interface unit, a sampling execution unit, a processing unit, a communication unit, a human-computer interface, a power supply unit and detection software. The operation of manual and repeated wiring can be omitted, the operation time can be saved, the production detection efficiency of the power terminal can be improved, the manufacture cost can be saved, and the informatization management function of a production and detection process can be realized.

The invention discloses a comprehensive detection device of a lathe gear-engaging shifting yoke. The comprehensive detection device comprises a base, a shifting yoke groove detection device, a shifting yoke notch size displacement detection device and a shifting yoke notch centre distance detection device, wherein the shifting yoke groove detection device, the shifting yoke notch size displacement detection device and the shifting yoke notch centre distance detection device are fixed on the upper plane of the base through screws; the shifting yoke notch size displacement detection device and the shifting yoke notch centre distance detection device have a same symmetrical lateral axis; the shifting yoke notch centre distance detection device and the shifting yoke notch size displacement detection device are respectively positioned at the left and right ends of the same lateral axis; and the shifting yoke groove detection device is positioned on the upper side of the same lateral axis and close to the shifting yoke notch centre distance detection device. The device has a simple and practical structure, and multiple sizes of to-be-detected parts can be rapidly and precisely detected in factory production, so that the production and detection efficiency is greatly improved.

The invention discloses an optical detection device of a piece of transparent glass. According to the device, the transparent glass to be detected is installed on a support table; a light is emitted from a light source and injected above the detected glass; a computer controls a camera to take a picture of the transparent glass; the picture is loaded to the computer and displayed in a display device; and the computer analyzes the picture by using image processing software so as to mark and prompt the defect of the transparent glass. With the adoption of the optical detection device, the problems in conventional transparent glass detection are relatively well solved; the structure is simple; the operation is convenient; the transparent glass is irradiated by the light source, the picture is taken by the camera, and subsequently the picture is processed by the computer so as to detect the transparent glass; and the accuracy in detection is high, many artificial factors are reduced, the detection efficiency is improved, and thus the production of the transparent glass is convenient.

The invention discloses a two-sided visual detection device for workpieces and belongs to the technical field of automation. The two-sided visual detection device for the workpieces comprises a mastercontrol device and a test bench, wherein the test bench is provided with a first conveying belt and a second conveying belt for conveying the workpieces; a turnover device for turning over the workpieces by 180 degrees is arranged on the portion, between the first conveying belt and the second conveying belt, of the test bench; a plurality of stop blocks are arranged on the conveying belts at equal intervals, and a workpiece storage station is formed between every two adjacent stop blocks; a first CCD camera and a second CCD camera are arranged above the first conveying belt; and a third CCDcamera is arranged above the second conveying belt. The two-sided visual detection device for the workpieces can perform comprehensive detection on the surfaces of the workpieces by detecting the surfaces and the side faces of the workpieces through the first CCD camera and the third CCD camera and by rotating the workpieces through a turnover plate, thereby having high detection comprehensivenessand detection precision and improving the ex factory pass rate of the workpieces.

The invention discloses a PCB detection sorting system and method based on machine vision. The system comprises a machine vision detecting device, a robot sorting device and a production line control device; the machine vision detecting device comprises an intelligent camera, and a microprocessor is arranged in the intelligent camera; the robot sorting device is composed of an industrial robot, a vacuum gas pump, a gas nozzle and an electronic valve, and the industrial robot and the intelligent camera in the machine vision detecting device are connected to achieve communication; the production line control device is composed of a PLC controller, a limiting switch and a production line, the PLC controller is connected with the intelligent camera in the machine vision detecting device and the industrial robot in the robot sorting device to form communication, the PLC controller controls the production line to move according to signals given by the industrial robot and the intelligent camera, and the production line conveys PCBs to the sorting station to the detecting station. By means of the PCB detection sorting system and method, manual cost is saved, and the detecting sorting efficiency and quality are improved.

The invention discloses a preparation method of liquorice formula granules and a quality control method for quickly detecting finished liquorice formula granule products, raw medicinal materials and intermediate products. The liquorice formula granules are prepared by performing the technological processes such as water extraction, decompression concentration and spray drying on liquorice serving as a raw material to obtain liquorice spray-dried powder and directly drying the liquorice powder or adding a proper quantity of auxiliary materials for mixing; each gram of the liquorice formula granules is equal to 3 grams of raw medicines. According to the method, the liquorice formula granules or the raw medicinal martials or an ethyl alcohol extract of spray-dried powder are or is tabletted with potassium bromide to prepare a sample, and then a Fourier transformation infrared spectrometer is used for performing infrared measurement on tablets to obtain infrared characterization fingerprints to realize quick detection and quality control on the finished liquorice formula granule products, the raw medicinal materials and the intermediate products, so that the stability and the reliability of the liquorice formula granule production technology are guaranteed. The quality control method disclosed by the invention is scientific, advanced, quick, economical and specific and is high in operability.

The invention discloses a sealing property detection device of a water cavity of a bipolar plate of a fuel cell, and a detection method thereof. The device comprises a gas source, a pressure stabilizing valve, a pressure gauge, an anode cavity valve, a cathode cavity valve, a press rotating handle, a press upper die, a water cavity valve, a test upper end plate, a first membrane electrode, a measured polar plate, a second membrane electrode, a voltmeter, a test lower end plate and a press lower die; and during the detection, the anode cavity valve, the cathode cavity valve and the water cavityvalve are closed, the valve of the pressure stabilizing valve is opened, the pressure range is adjusted to 0.05-0.2MPa, after the reading of the voltmeter is stable, the reading of the voltmeter is observed, and if an absolute value of the voltage is higher than 0.1V, it is deemed that leakage exists. The sealing property detection device disclosed by the invention utilizes a voltage signal as the judgment of the gas tightness, the sensitivity is high, the detection speed is high, the signal is collected easily, automatic operation is realized, and it is conducive to improving the productiondetection efficiency.

The invention relates to a bearing strip used for packing chips and a chip packing structure, wherein a plurality of sharing testing pads are arranged in a testing pad area of two packing areas on the bearing strip, which are simultaneously electrically connected with the two packing areas, which reduces the area of the testing pad on the bearing strip, reduces cutting waste, and can save repeated acting time of electrical testing devices in electrical testing, thereby improving testing efficiency.

The invention relates to the field of sugarcane seed stem production equipment, and particularly discloses a multifunctional sugarcane seed stem detection device which comprises a conveying device, an end cutting device, a section cutting device, a curvature screening device, a bud section screening device and a feeding hopper. According to the multifunctional sugarcane seed stem detection device, the end cutting device and the section cutting device are arranged on the conveying device, end cutting and section cutting operation can be conducted on sugarcane stems respectively, and after end cutting, through the curvature screening device, sugarcane with the large stem curvature can be detected and automatically removed; after the sugarcane seed stems are cut, the bud sections of the cut sugarcane seed stems are detected through the bud section screening device, the seed stems with the bud section quality not meeting the requirement are automatically removed, manual screening and selection are not needed after the sugarcane seed stems are processed, the production quality of the sugarcane seed stems is guaranteed, and the production detection efficiency is improved.

The invention belongs to the field of monitoring of an electronic device transformer sleeve pipe, in particular relates to a sleeve pipe end screen leading-out device of a dry type transformer. The sleeve pipe end screen leading-out device comprises an end screen connection plug, a grounding press spring, a tap installation seat and a tap grounding protection cap, wherein the tap grounding protection cap, the tap installation seat and a sleeve installation flange are sequentially connected, the end screen connection plug is arranged in a cavity jointly formed by the tap grounding protection cap, the tap installation seat and the sleeve pipe installation flange, the grounding press spring sleeves the end screen connection plug, one end of the grounding press spring is in contact with the end surface of an installation step of the end screen connection plug, and the other end of the grounding press spring is in contact with a reducing end surface of the tap installation seat. By the sleeve pipe end screen leading-out device, the technical defect brought by manual welding and an elastic sheet type leading-out device is avoided, an end screen is enabled to be reliably grounded, and the application safety of a product is improved.

A fixture device for a special-shaped groove of an automobile brake system support comprises a clamping positioning part and a detection part. The clamping positioning part comprises a base plate (1), vertical plates (2), a positioning plate (5), a Y-direction positioning column (6), a Z-direction positioning column (4), pressure pliers (3) and a Y-direction jacking pin (7). The detection part comprises a detection block (8). The base plate (1) is provided with the Z-direction positioning column (4), and the vertical plates (2) are provided with the Y-direction positioning column (6), the positioning plate (5) and the pressure pliers (3). By the arrangement, degree of freedom of a to-be-detected work piece is limited on three directions and fixed through the Y-direction jacking pin (7) and the pressure pliers (3), the special-shaped trough of the work piece is judged whether to be qualified or not by allowing the detection block (8) to slide in a position of a special-shaped trough of the work piece to determine pass check of the special-shaped trough. The special-shaped groove fixture device has the advantages of convenience in detection, accurate data and easiness in operation and the like, detection of the special-shaped groove of the automobile brake system support has actual using effect, production detection efficiency of the automobile brake system support is greatly improved, and defective rate in processing the automobile brake system support is greatly reduced.

The invention discloses a detection system for zip fastener defects. The detection system comprises an image acquisition unit, wherein an output end of the image acquisition unit is connected with aninput end of an image processing and detection unit; the invention further discloses a detection method of the zip fastener defects; the detection method comprises the following steps: firstly, acquiring a gray scale image of a chain tooth to be detected; secondly, extracting a target chain tooth region and pre-processing the image; then carrying out quality detection on the chain tooth; finally,carrying out mass center distance detection on the chain tooth. The defect detection of a zip fastener is further completed through the introduced quality detection of the chain tooth, and the qualitydetection of the chain tooth is combined with the mass center distance detection of the chain tooth, so as to commonly realize comprehensive and accurate detection of the quality of the zip fastener.The method is simple to use and good in treatment effect, and can be used for rapidly and accurately judging whether the chain tooth has defects or not.

The invention provides an automatic GNSS (global navigation satellite system) vehicle-mounted terminal testing device. The device comprises an MCU (microprogrammed control unit), a power conversion module, a communication port, an input circuit and an output circuit, wherein the power conversion module is connected with the MCU and a related part and is used for converting input voltage ranging from 9V to 36V to voltage needed by all the units for output; the MCU is connected with a tested terminal and an upper computer through the communication port and is communicated with the tested terminal and the upper computer through the communication port; the input circuit is connected with the MCU and is used for detecting signals output by the tested terminal and dividing the signals into analog quantity signals and switching signals for input; the output circuit is connected with the MCU and is used for outputting the signals to the tested terminal, the output signals are classified into analog quantity signals and switching signals for output, the switching values are vehicle switch signals such as ACC (adaptive cruise control) signals, DOOR- signals, brake signals and steering lamp signals, and the analog quantity is voltage signals of the tested terminal. Compared with the prior art, the automatic GNSS vehicle-mounted terminal testing device can substantially improve the production detection efficiency of the GNSS vehicle-mounted terminal and improve the failure detection accuracy on a site, thereby greatly reducing the labor cost.

The invention provides a testing method, device and system of object identification equipment and a computer readable medium. The testing method comprises the steps that testing images containing identification objects are uploaded to a database; a static identification port is invoked, and static identification is carried out based on testing images containing identical identification objects andthe testing images in the database to obtain a static identification result; a dynamic identification port is invoked, and dynamic identification is carried out based on a video stream aiming at theidentification objects and the testing images in the database to obtain a dynamic identification result; and a test result is determined according to the static identification result and the dynamic identification result. According to the testing method, device and system of the object identification equipment and the computer readable medium, automatic detection of the object identification equipment can be realized, the detecting time is shortened compared with a manually detecting method, the production detecting efficiency is improved, and the risk of abnormal operation of personnel is prevented.

The invention discloses a dual-stage sealed filling head. The dual-stage sealed filling head comprises an upper cylinder body and a lower cylinder body; a piston rod is disposed in the lower cylinder body; a movable piston is arranged on the upper portion of the piston rod in a sleeving mode; a poppet valve is fixedly arranged on the movable piston in a sleeving mode; a clamping claw is disposed on the lower portion of the poppet valve in the circumferential direction of the poppet valve; a nested cylinder is fixedly disposed on the lower portion of the piston rod in a sleeving mode; a track lantern ring is positioned on the nested cylinder in a sleeving mode; a track groove matched with the clamping claw is formed in the track lantern ring; a large-opening sealing pad which is in match seal with the upper end face of a filling opening is fixed to the bottom of the nested cylinder; a lower piston core which moves up and down along an inner cavity of the piston rod is disposed in the inner cavity of the piston rod; a filling pipe core is disposed in the middle of the lower piston core; a main sealing pad which is in match seal with the inner stepped face of the filling opening is fixed to the bottom of the lower piston core. Positive pressure filling is performed on a main filling system through the lower piston core and the filling pipe core; vacuum detection of the main filling system is achieved through the main sealing pad; meanwhile, quantitative filling work is finished through combination of the clamping claw and the large-opening sealing pad. The dual-stage sealed filling head is simple in structure, convenient to operate and high in practicability, and the production and detection efficiency is effectively improved.

The invention discloses a voltage providing system for detecting the performance of electronic products on-line without turning off power. The system comprises a work installation board, an electricity conducting device of detecting work station, a voltage switching device, a voltage switching control module and a detecting voltage providing module. Wherein the back side of the work installation board is equipped with conducting bar for contacting with the electricity conducting device of detecting work station; the detecting voltage providing module is connected with the voltage switching device for selectively connecting with the electricity conducting device of detecting work station under the control of the voltage switching device; the voltage switching device is connected with the voltage switching control module. The system also comprises a normal voltage providing module which is connected with the voltage switching device for selectively connecting with he electricity conducting device of detecting work station under the control of the voltage switching device; the gaps between the electricity conducting device of detecting work station with the electricity conducting devices on its two adjacent work station is less the length of the conducting bar on the back side of the work installation board.

The invention relates to the technical field of automatic motormeter function detection equipment, in particular to TFT liquid crystal combination instrument function detection equipment of a commercial vehicle. The equipment comprises a lower rack, and an equipment main body, a programmable digital multimeter and a stabilized voltage supply are installed in the lower rack; a supporting plate is horizontally arranged on the upper portion of the equipment main body, a wireless mouse is arranged above the supporting plate, and clamp sliding rails are horizontally arranged on the supporting plate; a clamp is installed on the clamp sliding rails in a sliding mode, and left and right hand buttons and a scram button are arranged on the edge of the front surface of the supporting plate. According to the TFT liquid crystal combination instrument function detection equipment of the commercial vehicle, TFT liquid crystal assembly, function detection, circuit board assembly and dial support assembly are assembled and integrated into integral equipment, the automation degree is high, and procedures of manual operation are greatly reduced, so that the efficiency of production detection is improved; meanwhile, the detection results are reliable, the phenomena that defective products flow into a next procedure to cause hidden trouble and missing detection and false detection caused by human factors occur are prevented.

The invention discloses a workpiece visual detection device, and belongs to the technical field of automation. The workpiece visual detection device comprises a main control device and a detection platform. A first conveying belt is arranged on the detection platform, an inclined turnover plate is arranged on the portion, located at the tail end of the first conveying belt, of the detection platform, and a second conveying belt is arranged on the portion, located at the largest angle of turnover of the turnover plate, of the detection platform. A plurality of stop blocks are arranged on the conveying belts at equal intervals, and a station for workpiece placement is formed between every two adjacent stop blocks. A first CCD camera and a second CCD camera are arranged above the first conveying belt, and a third CCD camera is arranged above the second conveying belt. According to the workpiece visual detection device, the surface and the side face of each workpiece are detected by the first CCD camera and the third CCD camera, each workpiece is overturned by the turnover plate, and therefore omni-directional detection can be conducted on the surface of each workpiece, the quite highdetection comprehensiveness and the quite high detection accuracy are achieved, and the ex-factory pass rate of products is improved.

The invention relates to a hole coaxiality detection device of an automobile brake system clamp body. The hole coaxiality detection device comprises a positioning shaft (1), a detection head (2), a crank arm (3), a transmission shaft (4), a support shaft (5), an adjusting knob (6) and a dial indicator (7), wherein the positioning shaft (1) is completely matched with a detected workpiece datum hole, the detection head (1) is contacted with the inner diameter of the detected hole, the offset of the detection head (2) corresponding to the positioning shaft (1) is transmitted to the dial indicator through the crank arm (3) and the transmission shaft (4) and expressed in a numerical form directly. A maximum value read when a rotating support shaft (5) rotates for a cycle is the offset of the detected hole. The detection device provided by the invention has the characteristics of convenient detection, accurate data, easy operation and the like, has an actual using effect for detection of the hole coaxiality of the automobile brake system clamp body, enables the production and detection efficiency of the automobile brake system clamp body to be greatly improved, and greatly reduces the processing reject ratio of the automobile brake system clamp body.

The invention provides a honeycomb material production detecting method. The honeycomb material production detecting method comprises the following steps: S01, applying tensile force in opposite directions to two opposite sides of a honeycomb bar; S02, acquiring tensile force data of the honeycomb bar in real time, and judging whether the tensile force data is consistent with pre-obtained test data or not; S03, when the tensile force data is inconsistent with the test data, regulating the size of the tensile force; S04, acquiring geometric data of the honeycomb structure in real time, and judging whether the shape dimension of a honeycomb unit in the honeycomb structure is qualified or not according to the geometric data; and S05, stopping stretching the honeycomb bar when the shape dimension of the honeycomb unit is qualified. Dynamic regulation is performed on stretching strength, a stretching distance and stretching time according to the tensile data and the geometric data acquiredin a process of stretching the honeycomb bar, so that the honeycomb bar can be stretched once to reach the needed shape dimension, and therefore, the technical problems that multi-time stretching is needed as a result of a material rebound phenomenon and the honeycomb structure is difficult to precisely control in a production process of the honeycomb material are effectively solved.

The invention relates to a cell set voltage acquisition board tool tester, belongs to the electric automobile or large power energy storage power supply cell management system application field and solves problems of low fault detection efficiency and poor detection reliability in the production and debugging stage of cell set voltage acquisition boards in the prior art. The tool tester comprises a power source module, an interface module, a multi-point fault detection module, an LCD module and an MCU module, wherein the power source module is used for providing electric energy for the interface module, the multi-point fault detection module, the LCD module and the MCU module, the interface module is used for connecting with a cell set voltage acquisition signal input end of a to-be-detected voltage acquisition board, the multi-point fault detection module is used for carrying out fault detection on multiple points of the to-be-detected voltage acquisition board through the interface module and sending a fault detection signal, and the MCU module is used for controlling the multi-point fault detection module, receiving and processing the fault detection signal and sending the fault detection signal processing result. The cell set voltage acquisition board tool tester is used for detecting cell set voltage acquisition boards.

The invention discloses a comprehensive automatic visual detection device for workpieces and belongs to the technical field of automation. The comprehensive automatic visual detection device for workpieces comprises a master control device and a test bench, wherein the test bench is provided with a first conveying belt and a second conveying belt for conveying the workpieces; a turnover device forturning over the workpieces by 180 degrees is arranged on the portion, between the first conveying belt and the second conveying belt, of the test bench; the turnover device comprises a crank connected with a rotating shaft, a first rocker and a second rocker hinged to the two ends of the crank separately, a turnover plate hinged to the first rocker, and a connecting plate hinged to the second rocker; and a pushing device for pushing the workrpieces out is arranged on the connecting plate. The comprehensive automatic visual detection device for the workpieces can perform comprehensive detection on the surfaces of the workpieces by detecting the surfaces and the side faces of the workpieces through a first CCD camera and a third CCD camera and by rotating the workpieces through the turnover plate, thereby having high detection comprehensiveness and detection precision and improving the ex factory pass rate of the workpieces.

The invention discloses a material moving mechanism. The material moving mechanism comprises a material moving frame, a switching piece, a lifting piece and a suction piece; the switching piece is arranged on the material moving frame; the lifting piece is connected with the output end of the switching piece; and the suction piece is connected with the output end of the lifting piece. An air tightness detection device is further provided. According to the air tightness detection device, through mutual cooperation of a conveying mechanism, the material moving mechanism and a detection mechanism, automatic conveying, alternate material moving and automatic detection of products are achieved, the production detection efficiency is improved, meanwhile, labor input is reduced, and detection safety and reliability are improved.

A signal testing device of a fixed frequency sensor comprises a motor, a signal panel, a test platform, a sensor fixing frame, a power supply, an oscilloscope and a shaping circuit, wherein the signal panel adopts a disc-shaped structure; a plurality of alternated panel teeth are formed at the periphery of the disc-shaped structure; a motor shaft is fixed at the center position of the signal panel; the signal panel is driven by the motor, and rotates coaxially with the motor shaft; the sensor is used for collecting signals of the signal panel mounted on the motor and rotating at a fixed speed; the panel teeth at the periphery of the signal panel have a space therebetween. The signal testing device provided by the invention can determine whether the sensor is normal in signal collection or not by comparing the formed square wave collected by sensing the panel teeth and space transformation through the sensor with prospective parameters of the sensor, and has the advantages of less detection time, visible detection results, and capability of improving production detection efficiency.

A code-scanning and packaging device for lithium batteries includes: a code-scanning console, a tray loading mechanism, a code-scanning detection mechanism, a good product packaging and storage mechanism, a defective product packaging and storage mechanism, a detection and preparation mechanism, and a code scanning and handling mechanism. The above-mentioned lithium battery scanning code packaging equipment is equipped with a code scanning console, a tray loading mechanism, a code scanning detection mechanism, a good product packaging and storage mechanism, a defective product packaging and storage mechanism, a detection and preparation mechanism, and a code scanning and handling mechanism. The operation of feeding, transporting, testing and distributing lithium batteries replaces manual methods, effectively improving the efficiency of production testing and improving the accuracy of testing.

The invention discloses a measuring device for fundal height and abdominal circumference of a pregnant woman, and belongs to the technical field of medical equipment. The measuring device for fundal height and abdominal circumference of the pregnant woman comprises a detection bed, a slide rail is installed on one side of the detection bed, and a measuring instrument is arranged on the slide railin an inlaid mode; a detector is installed beside the detection bed, a detector display is installed on the detector, a control panel is installed on the lower part of the detector display on the detector, an infrared probe joystick is installed on the control panel, a detector power switch is installed on one side of the infrared probe joystick on the control panel, an ultrasonic probe is installed on the detector through an information transmission tube in a connected mode, and a sun blind is installed on the other side of the detection bed through a rotating shaft in a connected mode. The measuring device for fundal height and abdominal circumference of the pregnant woman has a novel design, an principle of infrared heat source induction is adopted to measure the fundal height and abdominal circumference of the pregnant woman, the efficiency of antenatal care is improved, and the accuracy of data is ensured; and the four-dimensional color imaging technology is adopted to detect physiological indicators and body surface indicators of the fetus, fetus development and growth situation are observed, and eugenics is promoted.

The invention relates to a fundal height and abdominal circumference measurement device, which comprises expansion supporting rods, a rotating shaft, a torsion spring, operating handles, an arc lengthmeasuring ruler and a chord length measuring ruler. The expansion supporting rods are symmetrically mounted on the rotating shaft and capable of rotating around the rotating shaft; the torsion springis mounted on the rotating shaft and used for closing the supporting rods, the expansion supporting rods extend at the rotating shaft to form the two operating handles, and the expansion supporting rods are opened or closed through pressing and releasing of the operating handles. A scale of the arc length measuring ruler penetrates two top ends of the expansion supporting rods, scale graduation represents arc length corresponding to two top ends of the expansion supporting rods, and scale graduation of the chord length measuring rule represents a straight line distance of the two top ends ofthe expansion supporting rods. In performing of fudal height and abdominal circumference measurement on a pregnant woman, frequently moving the pregnant woman lying on back is avoided, and accordinglyantenatal examination efficiency can be remarkably improved, and discomfort in antenatal examination can be alleviated for the pregnant woman.

The invention relates to a method for rapidly identifying traditional Chinese medicine formula particles employing a Fourier transform infrared spectrum, and belongs to the technical field of detection of traditional Chinese medicines. The method comprises the following steps: carrying out absolute ethyl alcohol extraction and ultrasonic extraction on traditional Chinese medicine formula particle samples, and filtering to obtain a sample solution; dropwise adding the sample solution to an agate mortar containing potassium bromide powder; stirring and drying at constant temperature, tabletting and preparing samples; measuring an infrared fingerprint by virtue of a Fourier transform infrared spectrometer; rapidly identifying the traditional Chinese medicine formula particles. According to the method, the defect of poor specificity under a conventional infrared tablet sample preparation method is overcome; rapid detection can be carried out; the result can be compared by virtue of a standard map or can be compared and identified by software similarity. The sample detected by an infrared fingerprint technology is an alcohol extraction concentrated liquor of formula particles; qualitative and semi-quantitative detection can be achieved; the method is easy, accurate, economical, good in repeatability, high in information content and high in spectral characteristics.

The present invention discloses a metal pipe airtightness tester which comprises a workbench, the bottom of the workbench is fixedly provided with a support frame, one side of the front surface of the workbench is provided with a high-pressure detection area, the other side opposite to the high-pressure detection area is provided with a low-pressure detection area, and two sides of the high-pressure detection area and two sides of the low-pressure detection area are fixedly provided with driving mechanisms. A sealing pressurization pipe sleeve is fixedly installed at the end of the driving mechanism on one side of the low-pressure detection area, a pressurization opening is formed in the upper end of the sealing pressurization pipe sleeve, and sealing assemblies are fixedly installed on the two sides of the high-pressure detection area and the end of the driving mechanism on the other side of the low-pressure detection area at equal intervals. According to the scheme, the driving mechanism, the sealing assembly and the sealing pressurizing pipe sleeve are matched with one another, so that the equipment has the functions of high-low pressure dry-type testing, simultaneous batch detection of air tightness of metal pipes at one time, automatic feeding and blanking, expansion type sealing for sealing, and solving of the problem of frequent breaking of sealant; especially, the low-voltage detection area is utilized to realize the sensitive detection effect of slight leakage in a short time, and the blank in the field in China is filled.