100results about How to "Adapt to testing needs" patented technology

The invention specifically relates to a mycoplasma bovis MbovP579 protein and application thereof. The protein is obtained by cloning and expression from mycoplasma bovis HB0801 genome, and is a specific immunogenic protein with unknown function. The mycoplasma bovis HB0801 genome is adopted as the template to clone Mbov_579 gene, the Mbov_579 gene is modified according to the codon preference of escherichia coli, the mycoplasma bovis tryptophan codon UGA is mutated into codon UGG encoding tryptophan in escherichia coli, and the recombinant rMbovP579 expressed in escherichia coli can be obtained. The nucleotide sequence of the protein's gene is shown as the 1-2187th basic groups in SEQ ID NO:13, and the amino acid sequence of the protein is shown as SEQ ID NO:14. The recombinant protein can be used as an antigen protein in a mycoplasma bovis infection and vaccine immunodiagnostic kit.

The invention discloses a laser speckle detection device and a laser speckle detection method for a tire of an engineering machine. Negative pressure is applied to the external environment of the tire, the tire is horizontally arranged and is driven to rotate, and the inner side and the outer side of the tire are detected by using two probes respectively, so that the detection of defects of a deep layer inside the tire is facilitated; therefore, the defects existing inside the tire and specific positions of the defects are accurately detected, so that the accuracy of flaw detection inside thetire of the engineering machine is improved and optimized. The detection device comprises a vacuum device which forms a negative pressure environment, and a testing device and a rotating device whichare arranged inside the vacuum device, wherein the testing device is used for testing the inner side and the outer side of a detected tire by using a laser speckle technology respectively, and is provided with an inner probe and an outer probe, namely two independently-controlled and operated laser probes which can be moved and positioned along the vertical and horizontal directions; and the rotating device is used for bearing the detected tire and driving the detected tire to synchronously rotate.

The invention discloses a torsion test device, which comprises a base, an XY regulating unit, a Z regulating unit, a clamping device and a torsion measuring unit, wherein the clamping device is arranged on the XY regulating unit and can move in the horizontal direction along the XY regulating unit, and the torsion measuring unit is arranged on the Z regulating unit and can move in the vertical direction along with the Z regulating unit. The torsion test device has the advantages that the three-dimensional regulation is adopted, so an object to be measured is preferably matched with the measuring unit, the fault and the danger caused by manual operation are avoided, and the accuracy of measurement results is improved. In addition, because the clamping device has high flexibility, and various measurement requirements can be met.

The invention relates to a universal servo system property testing platform. The universal servo system property testing platform comprises a conventional testing subsystem, a special testing subsystem and a data processing subsystem, wherein the conventional testing subsystem is used for completing the conventional servo system testing, such as assembly testing and unit testing; the special testing subsystem is used for completing the long-distance testing, such as servo system testing trial run with special requirement; the conventional testing subsystem and the special testing subsystem are used for converting the platform testing parameter information and the testing data after testing into a data processing configuration file package, and outputting to the data processing subsystem; the data processing subsystem is used for analyzing the received data processing configuration file package, so as to obtain to-be-tested property parameters and property curves, and judge the to-be-tested property parameters, thereby judging whether a servo system is qualified or not. The universal servo system property testing platform has the advantages that the various types of testing of the servo system can be completed, the data format is uniform, the testing process is greatly simplified, and the testing reliability is improved.

The invention discloses a detection device and detection method for measuring long-focal-length lens transmission wavefront by a computer-generated holography, and belongs to the technical field of optical measurement. The detection device is mainly characterized in that an interferometer, a measured long-focal-length lens and a Fresnel wave zone plate form a Fizeau interference optical path; when collimated parallel light output by the interferometer passes through a standard plane mirror, one beam is reflected by a reference surface of the standard plane mirror to form a standard reference light beam; the other beam penetrates through the measured long-focal-length lens to be transmitted and is reflected through the wave zone plate to return along the original path for forming a test light beam; the test light beam and the standard reference light beam generate interference; the tested long-focal-length lens is regulated, so that interferometric fringes are minimum; the transmission wavefront of the tested long focal-length lens can be obtained through measurement. The method and the device provided by the invention are applicable to the detection of the long-focal-length lens transmission wavefront.

The invention relates to a fluid sample processing device for a biochemical reaction. The device comprises a sample adding port, a sample processing chamber, at least two reaction chambers, a waste liquid chamber and a liquid separation detection chamber array; a fluid sample successively flows through the sample adding port, a sample processing chamber and at least two reaction chambers and then flows into the liquid separation detection chamber array or flows into the liquid separation detection chamber array and the waste liquid chamber by pressure and gravity; the sample processing chamber communicates with at least one reagent chamber, and each reaction chamber communicates with at least one reagent chamber. The device drives the liquid to flow by pressure and gravity, and relatively easily allows the fluid to smoothly enter and pass through the reaction chambers and the detection chambers. At the same time, the device can store a reagent in a form of vacuolar pre-encapsulation, can prevent the device from being additionally provided with a reagent storage structure, and reduces the total size of the device.

The invention discloses a curved surface shell outer surface detection device. The device comprises a bottom plate, four guide posts fixed on the bottom plate, a top plate, a sliding plate, a detection cylinder, a top rod, a lifting switch, a plurality of height detection mechanisms, an analog-to-digital converter and an industrial control PC, wherein the industrial control PC comprises a host and a display, the analog-to-digital converter is connected with the host through a data interface, each height detection mechanism is connected with a group of signal lines, and the other end of each group of signal data transmission lines is connected with the analog-to-digital converter. The curved surface shell outer surface detection device has the advantages that: (1) the structure is simple, and the operation is convenient, (2) the detection speed is high, and the detection requirement of large-scale industrial production can be met, and (3) the adjusting function is good, and it is convenient to finely adjust the position of the height detection mechanisms in the detection process.

The invention discloses a detection system for air tightness of a valve. The system comprises a water tank, a water tank bracket, upper and lower pneumatic cylinders, a manipulator bracket, a plurality of manipulators and a manipulator transmission mechanism, wherein a water channel, a water inlet cylinder and a plurality of valve clamping fixtures are arranged in the water tank; the valve clamping fixtures are connected with the water inlet cylinder; the water tank bracket is fixedly arranged on the upper side of the water tank; the upper and lower pneumatic cylinders are arranged on the water tank bracket; the manipulator bracket is connected with piston rods of the upper and lower pneumatic cylinders; the manipulators are ranged on the manipulator bracket; each manipulator comprises a main shaft, a manipulator cylinder, a manipulator clamp and two clamping arms; the main shafts are provided with transmission gears; the manipulator cylinders are connected with the main shafts; the manipulator clamps are fixedly connected with the manipulator cylinders; the clamping arms are hinged in the manipulator clamps; one end of each clamping arm is hinged to the piston rod of the manipulator cylinder through a connecting arm respectively; the manipulator transmission mechanism comprises a transmission cylinder and a rack which is fixedly connected to the transmission cylinder; each transmission gear is engaged with the rack. The system can realize that the opening angle of a to-be-tested valve at each station is consistent to guarantee consistent testing condition of each to-be-tested valve and further achieve a more accurate test result.

The invention provides a cycle testing device and a testing method for a motor positive and negative rotation power module. The testing device comprises a testing power source input module, a voltage reducing, rectification and voltage stabilization module, a peripheral interface controller (PIC), and a signal switching control module, wherein the voltage of the power source input module provides working voltage for the PIC and the signal switching control module after the voltage reducing, rectification and voltage stabilization module, the PIC is connected with the signal switching control module which is connected with the motor positive and negative rotation power module to be tested, and the PIC is utilized to control the regular switch of motor positive and negative input signals. According to the cycle testing device and the testing method for the motor positive and negative rotation power module, the testing process is automatic without manual operation to switch testing input signals; the cycle testing mode can be programmed, and the working mode is set by key pressing, the testing requirements of different motor loads are more adapted; and a liquid crystal display (LCD) can be used to display the working mode so that accurate and convenient setting of working mode and modularization of testing mode are facilitated.

The invention discloses a detection system applied to shallow beach buried pipeline ultrasonic detecting and positioning. The detection system comprises a multi-channel signal generator module, a power amplifying module, a sound back wave receiving module and a core master control board, wherein the multi-channel signal generator module is used for generating sound wave emission signals with adjustable frequency, adjustable pulse number and controllable time delay, the power amplifying module is used for amplifying the sound wave emission signals to high-voltage signals and exciting an energyconverter to send sound wave signals to a medium, the sound back wave receiving module is used for receiving the sound wave signals and comprises an isolation amplitude limiting circuit, a voltage controlled amplifying circuit and an AD gathering circuit, the core master control board is of an eight-layer PCB structure, the sequence of stacking layers is of a signal layer, a ground layer, the signal layer, the ground layer, a power source layer, the signal layer, the ground layer and the signal layer, bottom layer shields are added between the signal layers, and the core master control board is used for command parameter configuration, sampling trigger, digital filtering and data communication and comprises an FPGA submodule and a USB2.0 submodule. By means of the detection system appliedto shallow beach buried pipeline ultrasonic detecting and positioning, the acoustic signal data can be finally obtained stably and subsequent algorithm processing can be performed to obtain the pipeline detecting and positioning result.

Embodiments of the invention provide a storage reliability test method and a server. The method comprises the steps of repeatedly executing a target step until a predetermined quantity of small filesare generated, wherein the target step comprises operation of generating random numbers, determining file sizes of the small files by the random numbers, and storing the file sizes in size variables;obtaining a reliable random number sequence, and based on the reliable random number sequence, generating the small files with random contents and the file sizes indicated by the size variables; and according to the predetermined quantity of the small files, performing a storage reliability test on a to-be-tested storage device to obtain a storage reliability test conclusion. According to the storage reliability test method provided by the embodiment of the invention, the reliability of the storage reliability test conclusion can be improved; and the test demands of storage devices with different specifications can be met.

The invention provides a motor operation and maintenance method and device, electronic equipment and system, and the method is applied to a cloud gateway. The cloud gateway is connected with a to-be-detected motor and is in communication connection with a cloud platform, and the method comprises the steps: collecting the monitoring data of the to-be-detected motor; processing according to the monitoring data to obtain characteristic parameters; comprehensively judging the to-be-detected motor according to the characteristic parameters to obtain a comprehensive judgment result of the to-be-detected motor; and sending the associated data of the to-be-detected motor to the cloud platform according to a data sending rule set by the cloud platform, wherein the associated data comprises one or more of monitoring data, characteristic parameters and comprehensive evaluation results. Data transmission required in the operation and maintenance process of the motor can be reduced.

The invention relates to a high-dynamic multi-target orientation angle calibration method under a moving base of a crustal movement observation network of China. The high-dynamic multi-target orientation angle calibration method comprise the steps that an inertial platform I and an inertial platform II are placed on the platform surface of a three-axis swinging platform, and a multi-target orientation angle calibration system is placed on the ground beside the three-axis swinging platform; the multi-target orientation angle calibration system is composed of a north-oriented reference mirror, an electronic theodolite I, an electronic theodolite II, an electronic theodolite III, a synchronous control unit, a large-caliber dynamic auto-collimator I and a large-caliber dynamic auto-collimatorII; and the north-oriented reference mirror is used for establishing orientation reference in a laboratory, and the electronic theodolite I and the electronic theodolite II are used for measuring theorientation value of a side surface retroreflector of the large-caliber dynamic auto-collimator I through an angle transmitting mode. The high-dynamic multi-target orientation angle calibration methodunder the moving base of the crustal movement observation network of China is applied to measure the multi-target orientation angles under the moving base of the crustal movement observation networkof China, the large-caliber dynamic auto-collimators are used for synchronously measuring auto-collimation orientation angles, and precise calibration of the orientation angles of an initial collimation system under the condition of the moving base is realized.

The invention discloses a meridian point positioning device and method. The device comprises a detecting unit and an excitation electrode and an induction electrode electrically connected to the detecting unit, wherein the excitation electrode and the induction electrode are both in contact with the human body to form a loop; the detecting unit is used for driving the excitation electrode to output an excitation signal and acquire an induction signal through the induction electrode; the excitation electrode adopts a plurality of electrode units to form an array structure, and the control module is used for controlling an excitation generating module to drive each electrode unit to output an excitation signal and obtain a corresponding induction signal to calculate the point where the bodyresistance is the smallest as the point position. Compared with the prior art, the point position is determined by calculating the relative resistance value in the loop, no sensor is required, and thehardware implementation cost is greatly reduced. At the same time, the electrode unit is achieved by a triode, and the gating of the electrodes in the array is achieved by row and column double-end control. The line connection and the control complexity are greatly reduced.

The invention relates to the technical field of loading platforms and in particular relates to a manual size varying loading platform of a liquid crystal panel. The manual size varying loading platform of the liquid crystal panel comprises a bottom plate, wherein the bottom plate is provided with a left side sliding assembly and a right side sliding assembly, which are arranged in parallel; a panel upper side supporting assembly and a panel lower side supporting assembly are vertically connected between the left side sliding assembly and the right side sliding assembly; a panel left side supporting assembly and a panel right side supporting assembly are vertically connected between the panel upper side supporting assembly and the panel lower side supporting assembly. The manual size varying loading platform of the liquid crystal panel, provided by the invention, is simple in structure, convenient to operate and low in cost, and can be rapidly adaptive to detection requirements of liquid crystal panels with various sizes.

The invention provides a rail train traction converter detection platform comprising a base plate, a support plate and an adjustment device; both the base plate and the support plate are parallel to the horizontal plane; the base plate and the support plate are arranged at interval; the base plate is supported on the ground, and the support plate is used for carrying a traction converter; the adjustment device is connected with the base plate and the support plate, to adjust the distance between the base plate and the support plate. The height of the traction converter placed on the support plate can be adjusted via the adjustment device, to adapt to the detection requirement, the traction converter can be conveniently detected.

The invention discloses a durability test system for an oil pump and a test method of the test system. The durability test system is characterized in that the control end of a master control chip of the durability test system for the oil pump is connected with the grid electrode of a field-effect transistor; the current detection end of the master control chip is connected with the source electrode of the field-effect transistor; the source electrode is connected with a current detection resistor in series and then is earthed, and the drain electrode of the field-effect transistor is connected with an oil pump socket; and the master control chip is provided with a voltage detection end which is earthed via a lower divider resistance and is connected with an oil pump power supply via an upper divider resistance. The system disclosed by the invention has the following effects: the working voltage and working current of the oil pump can be detected within 24hours ceaselessly, the accuracy and reliability are better as compared with artificial detection, and the revolving speed of the oil pump can be controlled as required to adapt to detection requirements under different working states.

The invention discloses a textile sewing machine, a perching device and a cloth sewing method. The textile sewing machine comprises a lower pressing block and an upper pressing block, wherein the position of the lower pressing block is fixed, the top face of the lower pressing block is non-planar, a first passage is formed in at least a protruding area of the top face, the upper pressing block canreciprocate relative to the lower pressing block, the bottom face of the upper pressing block can fit the top face of the lower pressing block, a second passage is formed in at least a protruding area of the bottom face, the projections of the second passage and first passage on a same projective plane are located on a same straight line, and when the lower pressing block fits the upper pressingblock, the first passage is communicated with the second passage. The cooperation of the two specially-made pressing blocks is adopted for making head and tail areas of two coils of coil stocks foldedand is combined with the passages allowing a needle to pass through, thereby being conductive to the continuous inspection of the cloth coil stocks after the two coils of coil stocks are sewn together through the needle, so that the conventional thinking mode of performing feeding inspection on another coil stock after one coil stock is inspected in an existing test is changed, and the improvement of the operation efficiency is facilitated.

The invention discloses an MEMS palladium alloy probe testing method and a probe loading method thereof, belongs to the field of IC manufacturing industry, and particularly relates to a device and method for testing the performance of a palladium alloy probe in an MEMS probe card and a related key technology. The method comprises the following steps of firstly, loading a to-be-tested probe, including a to-be-tested probe loading method for testing the tensile property and a to-be-tested probe loading method for testing the bending property; then setting the test temperature and humidity, namely through the sensor monitoring and the cooperation of a sprayer, a heater and a fan, adjusting the temperature and humidity, wherein in the adjustment process, a disturbance main body rotates under the action of an electromagnetic pole to ensure that the temperature and the humidity in a test environment are uniform; and finally testing. The tensile property and bending property of the to-be-tested probes with different parameters can be tested by only needing the symmetrical bending test structure to work. According to the method, the tensile property and the bending property of the probe onthe MEMS probe card can be tested.

The invention discloses a GPU-based spaceborne SAR real-time echo simulator. A GPU is adopted as a core component for SAR echo calculation; the GPU-based spaceborne SAR real-time echo simulator comprises a radio frequency transceiver subsystem, an intermediate frequency modulation subsystem and an echo calculation subsystem; and the method comprises the steps of carrying out down-conversion to obtain an intermediate frequency transmission signal according to a local oscillator signal and an SAR load radio frequency transmission signal; transmitting the intermediate frequency transmission signal to an intermediate frequency modulation subsystem; collecting the intermediate frequency transmission signal transmitted from a radio frequency transceiver subsystem under the control of a timing pulse signal and then carrying out digital down-conversion processing to obtain a baseband transmission signal; generating a scene response function by an echo calculation system in real time accordingto externally transmitted satellite operating mode and orbit information; and carrying out real-time convolution on the received baseband transmission signal and the scene response function to obtaina baseband echo signal, carrying out up-conversion through the intermediate frequency modulation subsystem and the radio frequency transceiver subsystem and then obtaining a radio frequency echo signal. The GPU-based spaceborne SAR real-time echo simulator has the advantages of high calculation accuracy, high reliability, better extendibility and the like.

The invention discloses a method for detecting caprolactam in a chinlon textile. The method comprises the following steps: treating the chinlon textile to obtain chinlon textile fragments; weighing a certain quantity of the chinlon textile fragments, adding secondary distilled water, and performing constant-temperature treatment in a drying oven of 80-120 DEG C for 45-90 minutes; performing ultrasonic treatment in an ultrasonic cleaner for 20-50 minutes, taking the fragments out, cooling to the room temperature, shaking uniformly, filtering, extracting supernatant liquid, and filtering through a water-borne filtering film to obtain liquid to be detected; and detecting the content of the chinlon textile in the liquid to be detected by adopting an ultra-high performance liquid chromatography triple quadrupole gas chromatograph-mass spectrometer. According to the method, distilled water ultrasonic extraction is adopted, so that a sample treatment process is simplified, the cost is lowered, and the detection efficiency is increased; a detection limit is 40mumg / kg, which is 10-20 times lower than that of the conventional caprolactam detection method, and the detection demand of future ecological textiles can be met.

The invention discloses a structural surface crack detection method based on fusion of image features and Bayesian data, which comprises the following specific steps: A, a metal member surface video image is collected and a detection image library is built; B, image texture features are calculated by localized binarization; C, two-step support vector machine image crack scanning and collection arecarried out; and D, Bayesian data fusion and decision making are carried out. By adopting video image detection, many areas that are difficult to reach by human beings can be acquired; a computer isadopted to recognize the surface crack of a structural member, thereby greatly reducing the heavy degree of interpretation and improving the crack detection rate; the correlation with the surface light intensity of the member is good, and in comparison with the previous grayscale map or other methods, the texture recognition effects can be improved; timely early warning can be carried out on a crack disease, and a structural disease can be detected early; on the premise of keeping a high scanning speed, a radial basis function support vector machine nerve network is used to maintain a high accuracy rate; and the crack recognition accuracy is improved.

The invention discloses a device for detection of the perpendicularity between a trailer axle and a longitudinal beam and a detection and locating method. The device comprises a shear mode centering ruler, a handpiece assembly, an emission assembly and a computer, wherein the shear mode centering ruler is used for being hung to the axle longitudinal beam in a sucked mode, the handpiece assembly is used for being hung to the trailer axle in a sucked mode, the emission assembly is used for emitting light signals to the shear mode centering ruler and the handpiece assembly, and the computer is connected with the handpiece assembly in a communication mode. The detection and locating method comprises the steps that firstly, a middle line of the axle longitudinal beam is found; secondly, the angle between the trailer axle and the axle longitudinal beam is measured and adjusted; finally, the axle is measured and corrected, so that the angle value of the axle and the angle value of the longitudinal beam are both zero degree and zero second. By means of the device for detection of the perpendicularity between the trailer axle and the longitudinal beam and the detection and locating method, measurement can be conducted under the condition that the device is not set out, the work efficiency of trailer detection and adjustment is further improved, and the labor intensity of an operator is lowered.

The invention discloses an MEMS palladium alloy probe testing device and a key structure and method thereof, belongs to the field of IC manufacturing industry, and particularly relates to a device andmethod for testing the performance of a palladium alloy probe in an MEMS probe card and a related key technology. The MEMS palladium alloy probe testing device comprises a barrel-shaped shell, a disturbance structure arranged on the inner wall of the barrel-shaped shell, an electromagnetic pole arranged on the outer wall of the barrel-shaped shell, a reference test platform horizontally arrangedin the barrel-shaped shell, a symmetrical bending test structure located above the reference test platform, a sealing cover arranged above the barrel-shaped shell, and a sensor, a sprayer, a heater and a fan which are arranged on the sealing cover. According to the structure, the tensile property and the bending property of the probe on the MEMS probe card can be tested.

The invention relates to a network protocol performance test bed system for a wireless sensor network and a testing method, and aims at quickly distributing test codes and quickly acquiring test state parameters based on common hardware interface facilities and a clustering network topology structure. The test bed system is that the target is to quickly and reliably distribute and update the codes; the unified manner and format are adopted in an internal memory section of the sensor network protocol, the protocol code deployment and distribution method of distributing global code data and supplementing local codes is carried out, and thus the time of one-time replacement of global codes can be reduced to the maximum. The system is applicable to the low-power-consumption sensor network and the corresponding M2M application; the test of various types of wireless sensor network application protocols can be effectively carried out, and thus the sensor network protocol development efficiency can be increased.

The invention relates to an on-line visual detection system for LED luminosity. Luminosity detection is conducted on an LED diffraction panel through a scientific detection method to ensure that the light intensity of the whole lamp strip or the lamp surface of the LED diffraction panel is kept consistent. According to an LED diffraction panel luminosity detection method, a plurality of test areasare obtained from the LED diffraction panel, luminosity absolute values of all the test areas are obtained, the luminosity absolute value of one of the test areas is selected to be subjected to difference value calculation with the luminosity absolute values of the remaining test areas, and a plurality of obtained difference values are compared with a preset difference value; and if the multipledifference values are all less than the preset difference value, it is proved that the overall light intensity of the LED diffraction panel is consistent basically, and the detected LED diffraction panel is qualified, and otherwise, the detected LED diffraction panel is unqualified. The LED diffraction panel luminosity detection method is scientific and reasonable, under computer equipment controldetection, the detection time is short, the detection efficiency is high, the error is low, and the detection demands under LED mass production are met.

The invention discloses portable high-power load modules easy to assemble. The load modules are used for forming charging pile test equipment. Each of the load modules comprises an integrated box body, two binding posts and a resistance module. The binding posts comprise power line interface plates, solid column bodies and hollow cavity bodies, two metal spring compression sheets are arranged in each of the hollow cavity bodies. The power line interface plates are arranged at the upper ends of the solid column bodies, and the hollow cavity bodies are arranged at the lower ends of the solid column bodies. Screw holes are formed in the power line interface plate. The solid column bodies comprise first solid column body parts and second solid column body parts, and the resistance module is arranged between the two second solid column parts. According to the portable high-power load module easy to assemble, an integrated box design is adopted in the load modules, and the load modules can be connected in series or in parallel to provide test current and power in different gears, so that the charging pile test equipment is convenient to carry and meets the test requirements of differentcharging piles.

The invention relates to the field of vehicle safety warning device detection, in particular to a vehicle safety warning device detection method based on space prior. The invention provides a vehicle safety warning device detection method based on deep learning and space prior. The method comprises the following steps: S1, an existing data set being labeled; S2, training a YOLOv3 target recognition framework by using the marked data set; S3, calculating a distance reference quantity and an area reference quantity by utilizing the training set and the label thereof; S4, identifying the picture to be predicted by using a YOLOv3 framework, and then obtaining an array in which warning sign information is stored; S5, calculating a distance score and an area score of the warning device in the picture to be predicted by using the information in the array; S6, if the sum of the distance score and the area score is larger than a preset threshold value, outputting and marking as a key target at the same time.

The invention discloses a stacked ring ion transport device, comprising a stacked ring ion transport component used for focusing and guiding charged ions, a control module, a digital modulation voltage module, a DC voltage module and a coupling module, wherein an output end of the control module is connected with a control end of the digital modulation voltage module and a control end of the DC voltage module separately, an output end of the digital modulation voltage module and an output end of the DC voltage module are connected with an input end of the coupling module, an output end of thecoupling module is connected with the stacked ring ion transport component, and a feedback end of the coupling module is connected with an input end of the DC voltage module. The stacked ring ion transport device has the advantages of adopting a digital modulation voltage and a DC voltage for coupling driving, has wide quality detection range, and has good ion focusing.