33results about How to "Meet diverse testing needs" patented technology

A measuring tool generally used for detecting an LED light source comprises a shell part and a testing part. The shell part is a hollow cylinder, and at least one end of the shell part is opened to contain the testing part. The testing part comprises a carrier plate and a fin, wherein the carrier plate is arranged on the opening end portion, and the fin extends on the inner side, towards the shell part, of the carrier plate. At least one air hole penetrating through the carrier plate is formed in the middle of the carrier plate, and the air hole is communicated with a vacuum pump outside the shell part. Any two opposite angle sides, close to the air hole, of the end face of the outer side of the carrier plate are provided with at least a pair of electrodes which are communicated with an external control power source and are used for guiding positive voltage and negative voltage. An annular refrigeration chip surrounding the electrodes and the air hole is embedded into the outer side of the carrier plate to enable an LED to be tested at the constant temperature. A fan for guiding cooling blast to the fin is arranged at the bottom of the shell part, and when the middle, away from the light-emitting face, of the LED to be tested abuts against the air hole, the LED can be attached to the carrier plate through attraction provided by the vacuum pump, and an electrode plate at the bottom of the LED is correspondingly connected with the electrodes to supply electricity to the LED.

The invention discloses a general measuring tool for detecting a light emitting diode (LED) light source. The measuring tool comprises a housing portion and a test portion. The housing portion is provided with an opening at least towards one end to install a hollow cylinder of the test portion; the test portion comprises a support plate arranged at an opening end portion and a fin extending towards the inner side of the housing portion from the support plate; the central portion of the support plate is provided with a through hole penetrating the support plate; the through hole communicates with a vacuum pump outside the housing portion; an annular refrigeration chip which surrounds the through hole to enable the LED to be tested at a constant temperature is embedded in the outer side of the support plate; the refrigeration surface of the refrigeration chip is provided with an electrode support in a pasting mode; and the central portion of the electrode support is provided with a gas hole communicating with the through hole and a pair of electrodes which are close to the gas hole, are arranged at any two diagonal sides and already communicate with an external control power source to guide positive and negative voltages. When the central portion, which is in the backward direction of a light extraction surface, of an LED to be detected abuts against the gas hole, the suction supplied by the pump attaches the LED to the electrode support, and an LED bottom pole plate and the pair of electrodes are enabled to correspondingly communicate so as to supply power to the LED.

The invention discloses a test task execution method, an apparatus, an electronic device and a computer-readable storage medium, wherein, the test task execution method comprises the following steps:receiving an execution request of any plug-in test task sent by a test platform, wherein any plug-in test task is generated based on the acquired plug-in; Then, according to the received execution request, a target device for executing any plug-in test task is determined. Then, any plug-in test task is pushed to the target device through the proxy device, and the execution result returned by the target device is received through the proxy device. A method accord to an embodiment of that present application The target device can execute plug-in test tasks generated according to the diversifiedtest requirements of the testers, and return execution results satisfying the diversified test requirements of the testers to the test platform server, thereby overcoming the situation that the inherent test task types cannot meet the additional test requirements of the testers.

The invention relates to a device for testing the withstand voltage and performance of a LED power supply. The device for testing the withstand voltage and performance of the LED power supply includesa workbench, a feeding mechanism and a detection module; and the detection module includes a detection head and a driving mechanism. In the feeding mechanism, the design of a conveyor belt that is connected to an assembly line and is used for transporting a power supply to be detected can ensure the smooth transportation of the power supply to be detected and the assembly line, therefore, the effect that the upstream power supply to be detected can be smoothly transported to the detection device can be ensured; in the detection module, the drive mechanism drives the detection head to move relative to the workbench to approach the power supply to be detected on the conveyor belt, which can ensure that the power supply does not need to be manually removed from the conveyor belt, and the withstand voltage and performance tests are directly performed, therefore, the device for testing the withstand voltage and performance of the LED power supply saves time and effort, and also improves the detection efficiency; in addition, the setting of a widening component can ensure that the detection device can adapt to different types of power supplies, and meet a variety of detection needs.

The invention relates to a portable normal-voltage glow discharge micro plasma spectrograph and an application method thereof. The portable normal-voltage glow discharge micro plasma spectrograph mainly comprises a sample introduction system, an excitation light source, a detection system, a power supply system and a control display system, wherein the excitation light source is normal-voltage glow discharge micro plasma which is capable of maintaining stable glow discharge micro plasma at normal voltage; and the normal-voltage glow discharge micro plasma is driven by a direct-current high voltage and mainly comprises a high-voltage module, a light sensitive feedback module, two solid electrodes, a quartz sleeve and a plastic sealing sleeve. Due to adoption of the normal-voltage glow discharge micro plasma as the excitation light source, minimized portable development requirements of spectrographs can be met very well, the portable normal-voltage glow discharge micro plasma spectrograph has the characteristics of being good in stability, high in sensitivity, high in efficiency, small in size, low in cost, good in environment friendliness, and the like, and rapid detection requirements on metal and nonmetal elements in on-site analysis can be met.

A light-emitting diode detection measuring implement is used for detecting a light-emitting diode light source and comprises a shell part and a test part. The test part is installed on the shell part and comprises a carrier plate. The carrier plate is used for bearing the light-emitting diode light source to enable the bottom surface of the light-emitting diode light source to be arranged on the carrier plate in an attached mode, and the light-emitting surface of the light-emitting diode light source deviates from the carrier plate. The test part further comprises a hose and a vacuum pump. The carrier plate is provided with at least one air hole corresponding to the light-emitting diode light source, and the hose is communicated with the air hole and the vacuum pump, so the vacuum pump can be used for enabling the light-emitting diode light source to be adsorbed to the carrier plate.

The invention belongs to the technical field of three-dimensional measurement, and particularly discloses a high-speed high-precision three-dimensional detection system, which comprises a detection device, an image acquisition device and a control device, and is characterized in that the detection device comprises at least one first projection device, at least one second projection device and an image acquisition device; the first projection device is used for projecting at least one kind of structured light to a to-be-measured object, the second projection device is used for projecting at least one kind of linear light source to the to-be-measured object, and the image acquisition device is used for acquiring a structured light projection image and a linear light source projection image which are projected on the to-be-measured object by the first projection device and the second projection device; and the system also comprises a processor used for acquiring a structured light projection image. According to the invention, the second projection device is additionally arranged, the line light source focused in the second measurement range can effectively expand the height detection range of the system, and meanwhile, the detection speed and the detection precision are not reduced.

The invention discloses PCR detection equipment and an amplification device thereof, the PCR detection equipment comprises a shell, a photometry assembly and a temperature control part for controlling the temperature of a PCR tube, and the shell is provided with a plurality of test positions for placing the PCR tube; the photometry assembly comprises light source assemblylies used for providing a test light source and a driving part used for driving the light source assembly to move. Multiple light source assemblies are arranged, the types of light sources which can be provided by the light source assemblies are different, and the light source assemblies can be driven by the driving part to irradiate the test positions in sequence. According to the amplification device provided by the invention, through the arrangement of the photometry assembly and the temperature control part, the arrangement of the plurality of light source assemblies capable of providing different light source types and the driving of the driving part, each light source assembly sequentially passes through the test positions, so that detection substances in the PCR tube can be subjected to various combinations; the detection range is enlarged, so that the applicability is improved.

The invention belongs to the technical field of three-dimensional measurement, and specifically discloses a high-speed and high-precision three-dimensional detection system, including: a detection device, the detection device includes at least one first projection device, at least one second projection device, and an image acquisition device; The first projection device is used to project at least one structured light to the object to be measured, the second projection device is used to project at least one line light source to the object to be measured, and the image acquisition device is used to collect the first The projection device and the second projection device project the structured light projection image and the line light source projection image on the object to be measured; the processor is used to obtain the structured light projection image, and the present invention focuses on the second measurement by adding the second projection device The line light source within the range can effectively expand the height detection range of the system without reducing the detection speed and detection accuracy.

The invention provides an automatic test data summarization and evaluation method in the field of municipal engineering. The method comprises the following steps of S10, drawing a function display interface and a data input interface; S20, compiling an evaluation rule according to an evaluation basis; S30, creating a data storage table in the cloud server, and inputting the test data into the datastorage table; S40, selecting an evaluation basis through a function display interface to evaluate the test data; The invention also provides an automatic test data summarizing and evaluating system.The method has the advantages that diversified test requirements are met, and the test parameter evaluation accuracy is improved.

The invention discloses an interface performance test method and device, which are used for improving the test accuracy and efficiency while meeting diversified test requirements. The method comprises: based on preset test configuration information and target test demand information of a to-be-tested interface, determining a target scene parameter and a target performance index item for performing a performance test on the to-be-tested interface, the test configuration information comprising a preset scene parameter and a preset performance index item satisfying a corresponding preset test demand; generating a performance test script based on the interface parameters of the to-be-tested interface and the target scene parameters; executing the performance test script, and performing performance test on the to-be-tested interface; based on the target performance index item, calling a preset monitoring tool, and collecting performance data of the to-be-tested interface in the execution process of the performance test script; and based on a preset rule engine, analyzing the performance data of the to-be-tested interface in the execution process of the performance test script to obtain a performance analysis result of the to-be-tested interface.

The present disclosure provides a configurable CAN bus protocol sending and receiving test method and system. Using the standard data frame defined by the CAN bus protocol, the data length of the request frame or response frame can be arbitrarily set within a certain range. If the request frame or response frame data If the length exceeds the data frame length defined in the protocol, the request frame or response frame data will be split into multiple single frames and sent; if multiple frames are received, the frame operation will be performed according to the frame content, and multiple single frames will be combined into one The complete request frame or response frame is then processed for response. During the test, the user can immediately change the corresponding frame parameters according to the needs; at the same time, the present disclosure directly generates hardware interrupt signals through the FPGA, and carries out frame-building and response frame transmission in the interrupt program. A series of operations, without data upload, effectively shortens the response time, and can ensure that the response time is less than 2 milliseconds.

A time index bearing method, detection method and device, storage medium, base station, terminal, the bearing method includes: encoding the information bits carried on the actually transmitted PBCH block, wherein the information bits include the first time index, the first time index includes at least a part of information in the system frame number information; the coded information bits are scrambled based on the actually transmitted scrambling code subsequence, wherein the actually transmitted scrambling code subsequence is from the preset scrambling code subsequence selected from the code subsequence set. The technical solution provided by the present invention can ensure that the PBCH designed by the base station in the 5G system can support one detection and multiple detections.

The invention discloses an air tightness detection device, which relates to the mechanical field and includes a frame, a test cavity, a vacuum generator, a leak detector, a flow controller, a flow sensor, an air pressure sensor and a fixture assembly. The frame The upper part is the test area, and the lower part of the rack is the equipment installation area. The vacuum generator, leak detector, flow controller, flow sensor, and air pressure sensor are all installed in the equipment installation area, and the fixture assembly is installed in the test area. And it is used to fix the test cavity, and the products to be tested are installed in the test cavity. The present invention integrates a plurality of testing devices in one frame, and at the same time, it is equipped with corresponding fixture assemblies to realize the diversification of customer products. The overall structure is compact, the integration is high, and the visual detection work is realized.