175results about How to "Meet different testing needs" patented technology

The invention discloses an ultra-wideband high-bandwidth radio frequency two-way transceiving integrated integration module, belonging to the technical field of wireless information transmission. Themodule comprises a main control unit, a power supply unit, a microwave frequency synthesis unit, a radio frequency transmission unit, a radio frequency receiving unit, a digital signal processing unitand a radio frequency transceiving control unit, wherein the main control unit is mainly used to complete bus driving, data interaction, signal processing and other functions; the power supply unit is used to provide a high-stability and low-noise power supply; the microwave frequency synthesis unit, the radio frequency transmission unit, the radio frequency receiving unit and the digital signalprocessing unit adopt a microwave frequency synthesis technology, a wideband frequency conversion technology, a signal conditioning technology, a wideband modulation and demodulation technology and adigital signal processing technology to achieve the maximum one-way 8*8 or two-way 4*4 radio frequency transceiving; and the radio frequency transceiving control unit is used to achieve radio frequency transceiving control. The radio frequency two-way transceiving integrated integration module disclosed by the invention is easy to integrate, can be expanded, and can meet the requirements of large-scale MIMO radio frequency multi-channel transceiving.

The invention belongs to the technical field of microscopic imaging and spectral measurement and relates to a high resolution spectral imaging and detection method and apparatus which combine confocal microscopic technology and spectral detection technology together, realize integration of images and spectrums and are used for three dimensional morphology reconstruction and micro-area morphological performance parameter measurement of a variety of samples. The method and apparatus utilize Rayleigh light abandoned by a traditional confocal Raman system and confocal technology for detection of the position of a sample, employs a spectral detection system for spectral detection and uses Brillouin diffusion light abandoned by a traditional confocal Raman detection technology to test properties like elasticity and piezoelectricity of a material, thereby realizing measurement of micro-area high spatial resolution morphological parameters of a sample. The method and apparatus provided by the invention have the advantages of accurate positioning, high spatial resolution, high spectral detection sensitivity, controllable measured spot size, etc. and have wide application prospects in fields like biomedicine, evidence collection of court, micro and nano-fabrication, material engineering, engineering physics, precise metering and physical chemistry.

The invention discloses a linear template and a hairpin probe and a method for miRNA amplification detection by using the linear template and hairpin probe. The linear template and hairpin probe disclosed by the invention are easy to design; the mirRNA amplification detection method disclosed by the invention has relatively high amplification efficiency and relatively high detection sensitivity.

The invention belongs to the field of a microimaging and spectral measurement technology and relates to a laser differential confocal Brillouin-Raman spectroscopy measuring method and a device thereof which can be used in micro-area morphological parameter comprehensive test and high-resolution imaging of a sample. According to the method and the device, a differential confocal technology is incorporated into spectrum detection. Sample position detection is performed by the differential confocal technology; spectrum detection is conducted by a spectrum detection system; and properties, such as elasticity, piezoelectricity and the like, of a material are tested by the use of brillouin scattering light abandoned by a traditional confocal Raman spectrum detection technology. Thus, micro-area high-spatial resolution morphological parameter measurement of a sample is realized. The method and the device have advantages of accurate positioning, high spatial resolution, high spectrum detection sensitivity, controllable measured focusing spot size and the like, and have a wide application prospect in fields of biomedicine, evidence obtaining in court, micro and nano-fabrication, materials engineering, engineering physics, precision metrology, physical chemistry and the like.

In order to meet different test requirements of pollutants, the invention provides a modular motor vehicle exhaust pollutant onboard emission test platform. In addition to an onboard emission test system required by a sixth-phase motor vehicle emission standard, the modular motor vehicle exhaust pollutant onboard emission test platform also includes one or more test modules arranged side by side and communicating with a motor vehicle exhaust pipe, and can realize multi-module combined measurement according to actual test requirements. In addition, an offline component sampling system samples offline samples from the motor vehicle exhaust pipe by a proportional sampling dilution system according to a certain exhaust gas flow proportion so as to ensure the representativeness of the offline samples and fully reflect the vehicle emission characteristics during the sampling period.

The invention relates to a test fixture of a light-emitting element. The test fixture comprises a pedestal, a testing assembly and a limiting assembly. The limiting assembly is used for realizing contact between a to-be-tested light-emitting element and test probes, thereby guaranteeing good contact during testing; after test completion, the to-be-tested light-emitting element can be taken from the test fixture rapidly without damaging the to-be-tested light-emitting element, so that the to-be-tested light-emitting element can be used repeatedly and other experiments are not affected and thus the whole testing process can be realized efficiently, simply and conveniently. The corresponding test assembly also can be adjusted flexibly according to different welding plate types of to-be-tested light-emitting elements; and different limiting assemblies can be modified freely under the circumstances of giving priority to the testing efficiency or giving priority to testing accuracy, thereby meeting different testing requirements.

A three-electrode lithium air cell test die is a novel lithium air cell die. The three-electrode lithium air cell test die is a test die adopting a three-electrode test method, and a reference electrode is added, so that the electrode process in the cell charging and discharging course can be detected and analyzed in real time. A reference electrode component is formed by combining an elastic insulating sheet and a replaceable reference probe, and not only meets different test requirements, but also solves the sealing problem of a casing after the adding of the reference electrode. A regulating rod with a thread is adopted to conveniently regulate pressure inside an assembly cell so as to control an internal cell test environment; finally a positive electrode is provided with a hole and a throat to facilitate pressure regulation and gas contact and avoid pole piece deformation in the squeezing process, and it is guaranteed that the cell test is performed normally.

The invention relates to a chemiluminiscence enzyme immunoassay fluorescence comprehensive detector which comprises a closed shell, a tray, a chemiluminiscence detection device, an enzyme immunoassay device, a fluorescence detection device and a control device, wherein a moving mechanism is arranged in the closed shell; the tray is suitable for placing an elisa plate and is mounted on the moving mechanism, so that the tray can be driven by the moving mechanism to move along the X-axis and Y-axis directions; the chemiluminiscence detection device is arranged at the first position in the closed shell; the enzyme immunoassay device is arranged at a second position in the closed shell; the fluorescence detection device is arranged at a third position in the closed shell; the control device is in signal connection with the moving mechanism so as to control the moving mechanism to transfer the tray to the first position, the second position or the third position for corresponding detection through the chemiluminiscence detection device, the enzyme immunoassay device or the fluorescence detection device. The chemiluminiscence enzyme immunoassay fluorescence comprehensive detector is provided with the chemiluminiscence detection device, the enzyme immunoassay device or the fluorescence detection device which can be selected as required, so that the chemiluminiscence enzyme immunoassay fluorescence comprehensive detector is conveniently and quickly used and can meet the demand.

The invention belongs to the technical field of power supply circuits, and discloses a ripple power supply device and a method for providing a direct-current voltage with ripples. The ripple power supply device comprises a voltage stabilizing chip of a power supply and a voltage stabilizing circuit, wherein a control voltage is applied to a control voltage input end of the voltage stabilizing circuit, so that the output voltage of the voltage stabilizing chip of the power supply can be adjusted; and when the control voltage consists of direct-current voltage signals and ripple signals, both of the ripple signals and the direct-current voltage signals are transmitted to a voltage feedback end of the voltage stabilizing chip of the power supply by the voltage stabilizing circuit, so that the direct-current voltage with the ripple can be acquired at the voltage output end of the voltage stabilizing chip of the power supply. According to the ripple power supply device and the method for providing the direct-current voltage with the ripples, the direct-current voltage overlapped with the ripple voltage can be acquired at the voltage output end when the ripple signals and the direct-current voltage signals are both applied to the voltage feedback end due to the characteristic that the output voltage of the voltage stabilizing chip of the power supply is controlled by the voltage feedback end; the output voltage has relatively high loading capacity; and the overlapped ripple voltage can be controlled in frequency and amplitude, thereby meeting different test requirements.

A wafer front-end conveying system comprises a loading table and a defect detection module, and the defect detection module is used for detecting defects of a wafer and aligning the wafer before the wafer enters an equipment end and comprises a wafer carrying table used for fixing the wafer needing defect detection; an image acquisition module which comprises a camera array, and obtains a first detection image corresponding to the whole surface of the wafer on the wafer carrying table through one-time shooting of the camera array or obtains a circle of alignment detection image corresponding to the edge of the wafer through one-time shooting of the camera array; a defect judging module which is used for judging whether defects exist on the surface of the wafer or not according to the firstdetection image obtained by the image obtaining module; and an alignment module which is used for obtaining the position of the wafer on the wafer carrying table according to the position of the notch in the alignment detection image. The wafer front-end conveying system has both the functions of defect detection and alignment.

The present invention belongs to the technical field of spectral measurement and imaging, and relates to a laser differential confocal induced breakdown spectroscopy-Raman spectroscopy imaging detection method and a laser differential confocal induced breakdown spectroscopy-Raman spectroscopy imaging detection apparatus, wherein the method and the apparatus can be used for high spatial resolution imaging and detection of micro-region components and morphological parameters of samples. According to the present invention, with the method and the apparatus, the laser induced breakdown spectroscopy is used to detect the element composition information of the sample component, the Raman spectroscopy is used to detect the chemical bonds and the molecular structure information of the sample, the differential confocal technology is used to detect the sample surface morphology information and precisely position the focus position to ensure the minimum excitation light spot so as to improve the spatial resolution of the spectral detection, and the three technology can be combined to achieve the structure sharing and the function complementing so as to form the image and spectrum integrated high spatial resolution spectral imaging detection method and the image and spectrum integrated high spatial resolution spectral imaging detection apparatus; and the method and the apparatus have advantages of high spatial resolution, rich material component information, controllable focusing light spot size measuring and the like, and have wide application prospects in the fields of mineral resources, metallurgy, space exploration, environmental monitoring, biomedicine and the like.

A 8k line scan lens is characterized in that, from an object side to an image side, a first convex-concave lens, a second convex-concave lens, a doublet of a first biconvex lens and a first biconcave lens, an iris, a doublet of a second biconcave lens and a second biconvex lens, a first concave-convex lens and a second concave-convex lens are sequentially fixed in a lens barrel. The invention has the advantages of high accuracy and small aberration, and the image is unlikely to be distorted. The line scan lens with adjustable amplification rate can be applied in automatic optical detection equipment and can be matched with large-size and high-accuracy line array CCD camera.

The invention provides a control method for charging-and-discharging testing of a battery and a system thereof. The control method comprises the steps of S20, setting a preset number of testing timesin a controller; S30, detecting the electric quantity of the battery, and determining whether the electric quantity of the battery is higher than a first preset electric quantity or lower than a second preset electric quantity; S40, when the controller detects a fact that the electric quantity is higher than the first electric quantity, performing discharging on the battery through a discharging circuit until the electric quantity of the battery is lower than the second preset electric quantity; S50, when the controller detects a fact that the electric quantity of the battery is lower than thesecond preset electric quantity, charging the battery through a charging circuit until the electric quantity of the battery is higher than the first preset electric quantity; S60, recording the number of charging-and-discharging testing times by the controller, and determining whether the number of charging-and-discharging testing times reaches a preset number of testing times; and S70, if yes, stopping charging and discharging to the battery; and otherwise, returning to the step S30. The control method and the system thereof have advantages of realizing automatic control for charging-and-discharging testing on the battery, saving manpower and improving testing efficiency.

The invention discloses a device for automatically testing optical waveguide devices in batches. In the device, the first input end of a first optical path switching system is connected with a laser source through optical fiber; the output end of the first optical path switching system is connected with the input end of a test system through optical fiber; the first input end of a second optical path switching system is connected with the output end of the test system through optical fiber; and a stepper motor controller is respectively connected with the second input end of the first optical path switching system and the second input end of the second optical path switching system through signal wires. Compared with the prior art, the device reduces the complexity of manual operation and improves the measuring efficiency, synchronously ensures the relative uniformity of the test environment and avoids the extra loss caused by manually switching the optical paths; and the invention provides a plurality of test modes, thus being capable of meeting different test requirements.

The invention discloses a pipeline performance detection device which comprises a hand lever, a joint lever and a detection end. The hand lever is connected to the detection end through the joint lever, the detection end is formed by a base, an electric rotating shaft and a detection support, the electric rotating shaft is movably mounted on the base, one end of the detection support is connected to the electric rotating shaft through a telescopic rod while the other end is provided with a cambered detection head, a plurality of transmission rollers with electric support bars are arranged on the outer side of the detection head, a circular elastic seal cartridge is arranged inside the detection head, a detection light source and a signal sensor are arranged inside the elastic seal cartridge, and the outer side of the elastic seal cartridge is connected to the detection head through a secondary telescopic rod. By the arrangement, a traditional detection device is modified, so that requirements of chemical enterprises on internal detection of various shapes or specifications of pipelines can be met, detection points inside the pipelines are positioned precisely and connected stably without skewing, and detection precision is high.

The invention provides a quality-control multi-parameter model for a magnetic resonance imaging system and CT equipment. The quality-control multi-parameter model comprises a box body and multiple test blocks; the test blocks comprise test layers and supporting layers for stacking and positioning the test blocks, the multiple supporting layers are sequentially stacked and arranged in the box body,and the test layers are arranged in the supporting layers; the multiple test layers comprise image geometric distortion test layers, low-contrast-resolution test layers and uniformity and signal-to-noise-ratio test layers, or the multiple test layers comprise any two of image geometric distortion test layers, low-contrast-resolution test layers and uniformity and signal-to-noise-ratio test layers. The quality-control requirement of the MRI and the quality-control requirement of the CT equipment can be simultaneously met, the product function is diverse, different test requirements can be met,multiple parameters can be simultaneously measured, the accuracy and modularization are high, and the test layers can be flexibly combined.

The invention provides a vehicle electromagnetic field emission intensity test system comprising a data processing module which is connected with at least one electromagnetic field probe used for detecting magnetic field intensity; and the data processing module is also connected with a vehicle speed acquisition module which is used for acquiring the running speed of a to-be-detected vehicle. According to the technical scheme provided by the invention, the vehicle speed acquisition module is connected to the data processing module of the vehicle electromagnetic field emission intensity test system to obtain the vehicle running speed information, so that the working condition of the vehicle is obtained, the running information of the vehicle is associated with the magnetic field intensity information, and the complete evaluation and analysis of the vehicle electromagnetic field emission intensity are realized.

The invention relates to the technical field of lithium batteries, in particular to a device for in-situ observation of a battery pole piece and an electrolyte. The device comprises a sample cell, a sealing film assembly, an electrode fixing part and an electrode assembly, wherein windows are formed in the two opposite sides of the sample cell; the windows on the two sides are sealed through the sealing film assembly; an electrode mounting hole is formed in the top of the sample cell; and the electrode assembly is mounted in the electrode mounting hole through the electrode fixing part. The electrode assembly comprises an electrode holder, electrodes and battery pole pieces, wherein two electrodes are inserted into one end of the electrode holder; two battery pole pieces are inserted intothe other end of the electrode holder; the ends, located in the electrode holder, of the two battery pole pieces are connected with the two electrodes respectively; and the other ends of the two battery pole pieces are contained in the sample cell. The device is simple in structure and convenient to operate, and microcosmic information is measured while macroscopic measurement is carried out on the battery.

The invention provides a transmission valve body testing device. The signal output end of an oil pressure detection module and the signal output end of a gear switch detection module are connected with the signal input ends of a controller module respectively; and the signal output ends of the controller module are correspondingly connected with the signal input end of an oil pressure ultralimit alarm module and the signal input end of a cycle index standard reaching prompting module respectively. With the transmission valve body testing device of the invention adopted, automatic testing of a valve body is realized. The controller module is connected with a storage module through a CAN bus, and the storage function of a general CAN card is utilized to store data in a testing process, and therefore, off-line analysis on the movement process of a valve core can be facilitated. The transmission valve body testing device has a manual testing function, and therefore, different testing needs can be satisfied. After testing is completed, an alarm can be given, so that a user can be prompted, and therefore, testing efficiency is higher; and test data can be saved in real time, so that off-line analysis can be facilitated.

The invention relates to the technical field of software testing, and provides a test case management method and device, a storage medium and electronic equipment. The test case management method comprises the following steps: synchronizing a script file from a script warehouse according to pre-configured script storage information; and analyzing the test case contained in the script file, and displaying the analyzed test case in a visual interface. The method is a case management mode with the test case as the minimum unit, and meanwhile, by means of the characteristics of intuitiveness and convenience in operation of the visual interface, the defects caused by case management with the script file as the minimum unit are effectively avoided, and refined and efficient management of the test case is realized.