282 results about "Power test" patented technology

The invention relates to an automatic power test method and device for a photovoltaic module, and relates to the field of photovoltaic test technology, and the method comprises the steps: controlling a mechanical arm to clamp the photovoltaic module in response to an optical signal; controlling the mechanical arm to move according to the moving track and placing the photovoltaic module; adjusting the light source to preset target brightness; collecting electrical performance parameters when the light source is adjusted to the target brightness; and performing power prediction and anomaly scoring on the electrical performance parameters. According to the invention, a photovoltaic module is clamped and placed through a mechanical arm by using light spots, a shading unit in the mechanical shading array module is controlled to perform shading according to a target shading mode instruction, the problems that manual adjustment is difficult to respond to test requirements of different modules and the photovoltaic module test efficiency is low are solved, automatic operation of photovoltaic module power test is realized, and the test efficiency is improved. And the testing efficiency and the testing precision of the photovoltaic module are improved.

The invention discloses a testing device for LCD (liquid crystal display) production, and particularly relates to the technical field of LCD production, the testing device comprises a power tester, a voltage regulating mechanism and a testing mechanism, and a supporting mechanism, a rotating mechanism and a controller are arranged above the testing mechanism. Through the synergistic effect of the testing mechanism, the conveying mechanism, the supporting mechanism, the rotating mechanism and the adsorption mechanism, automatic testing and sorting are achieved; according to the device, a sensor is adopted to trigger an automatic testing process, a rotating mechanism and an adsorption mechanism which are driven by an electric oil cylinder are combined, automatic adsorption, multi-section type rotation (90 degrees anticlockwise / 3 degrees clockwise / 6 degrees anticlockwise / vertical downward movement) and accurate positioning of the display screen are completed, traditional manual operation is replaced, and the testing efficiency is remarkably improved; according to the switching assembly, through the linkage design of a magnetic block and a metal limiting block, automatic distribution of qualified products and unqualified products is achieved in cooperation with a discharging pressing rod and a waste pressing rod, secondary sorting is avoided, and the production safety is improved.

The invention discloses a high-power thin film thermopile laser power meter and a preparation method thereof, and relates to the technical field of laser detection equipment. The high-power thin-film thermopile laser power meter comprises a thermopile chip and a heat sink packaging shell, the thermopile chip comprises a substrate, a thermopile layer is arranged on the substrate, the thermopile layer comprises a plurality of thermocouple lines, the adjacent thermocouple lines are connected in series, the thermocouple lines are distributed in a square shape, the thermocouple lines are distributed in a step shape, and the thermopile chip is connected with the heat sink packaging shell. And a cold end thermal resistance layer and a hot end thermal resistance layer are respectively arranged above the cold end and below the hot end of the thermopile layer. The structure of the thermopile is optimized, the heat transfer path in the thermopile chip is regulated and controlled, the stability of the thermopile chip in a low laser power test is improved, the preparation process is improved, and the cost is reduced. The problems that an existing thin film thermopile laser power meter is low in sensitivity and poor in stability during low-power measurement, and a thermopile chip is prone to aging and poor in stability during high-power density measurement are effectively solved.

The invention provides an equivalent test device and method for exploring gravity energy storage power characteristics. The device is characterized in that a test circuit is connected with an upper computer after being connected to a power grid; the test circuit is built based on a gravity energy storage grid-connected type and is used for outputting a torque curve corresponding to an equivalent torque curve signal of gravity energy storage so as to equivalently convert the reference power of the gravity energy storage into the torque of a motor for an equivalent test; the upper computer is used for generating a torque curve signal based on the reference power of gravity energy storage and writing the torque curve signal into the test circuit; and measuring the network side power of the test circuit in the test as a test result. According to the invention, the topological structure can be flexibly changed according to the gravity energy storage grid-connected type so as to be suitable for equivalent tests of different gravity energy storage grid-connected schemes; limitation of a gravity energy storage test site can be overcome, power characteristics of the gravity energy storage system in steady-state operation under different grid-connected topologies can be truly restored, equivalent tests of gravity energy storage technologies of different power levels can be carried out, and the accuracy of power test data can be improved.

The invention relates to the technical field of power equipment testing, in particular to a power test intelligent testing system which comprises a nameplate analysis module, a channel optimization module, a path configuration module, an interference identification module and an excitation regulation and control module. According to the method, the content of the nameplate of the equipment is extracted through image recognition to complete structural analysis of electrical parameters, a parameter feature set is established through information such as frequency, capacity, phase number and current, and test channel screening is achieved according to a set frequency point and channel capacity matching relation. The method comprises the steps of setting a path sorting mode and mapping response time parameters in combination with physical wiring characteristics and a phase number structure, marking channel combination interference levels based on an inductive interference identification mode, optimizing channel interference in an excitation process by adjusting an excitation sequence and a grounding strategy, and executing interval discrete regulation and control operation in combination with a frequency interval real-time judgment result. And collaborative optimization of test path construction, interference control and excitation sequence allocation is realized.

The invention discloses a generation power testing device and method for a small nuclear power generation system, and relates to the technical field of power testing, and the device comprises a deionized purified water tank, a coil pipe type electric heater and a heat exchanger. Wherein the coiled tube type electric heater is connected with a test prototype of a small nuclear power generation system to be tested through a power supply cable, and is used for converting electric energy output by the test prototype of the small nuclear power generation system into heat energy; deionized purified water with a set temperature in the deionized purified water tank enters the coil pipe type electric heater through a pipeline and a water pump, and after the temperature is increased through heat exchange, the deionized purified water carrying heat energy is subjected to heat exchange through the heat exchanger to reach the set temperature and then flows back to the deionized purified water tank. According to the invention, the problem of inaccurate generation power measurement caused by unstable generation quality of the small nuclear power generation system test prototype can be solved, and the generation power of the small nuclear power generation system test prototype can be accurately tested.

The application discloses a kind of ship generator set reactive power testing device, method and computer program product, wherein the device includes: at least two adjustable reactors and control unit;The control unit includes at least two switch units and busbar;The adjustable reactor is connected in parallel by one the switch unit and accesses the busbar;The control end of the control unit is connected to each the adjustable reactor;The control unit is used to control the on-off state of the switch unit, and the reactive power regulation of the adjustable reactor and the adjustable reactor in ship generator power test.The technical scheme provided by the embodiment of the application can avoid the problem of repeated wiring under different test power, adapt to the test requirements of multiple power changes, and improve the test efficiency.

The present invention discloses an optical module testing system, which relates to the field of optical module testing technology. The optical module testing system includes an operating platform, multiple circuit sockets, multiple water sockets, and a test execution component. The operating platform is formed with multiple test stations, and the test stations are used to place optical modules; multiple circuit sockets are respectively arranged on the operating platform corresponding to the multiple test stations, and the circuit sockets are used to connect to the working circuit of the optical module for power supply; multiple water sockets are respectively arranged on the operating platform corresponding to the multiple test stations, and the water sockets are used to connect to the cooling water channel of the optical module for water supply; the test execution component is arranged on the operating platform and has a temperature test unit and a power test unit that can switch between the multiple test stations. The technical solution provided by the present invention alleviates the problem of long waiting time of the execution component in the existing optical module testing system, which leads to low testing efficiency of the testing system.

The invention belongs to the technical field of quality detection, and provides a light high-reliability heat dissipation cold plate brazing forming process which comprises the steps that through multi-power testing, the surface temperature conditions of a heat dissipation cold plate finished product under different powers are obtained, a local overheating area is screened, the diameter of a welding spot air hole in the heat dissipation cold plate finished product is obtained, and a suspected welding spot defect area is obtained; carrying out coincidence analysis on the local overheating area and the suspected welding spot defect area to obtain a co-occurrence sub-area, carrying out synchronism analysis on the temperature and the pore diameter in the co-occurrence sub-area under overload power, judging whether relevance exists or not, if yes, obtaining a local temperature-welding spot defect relevance model, and if not, obtaining a local temperature-welding spot defect relevance model; and whether a high error exists in the current air hole diameter detection result of the heat dissipation cold plate finished product or not is judged based on the correlation model, if yes, correction is carried out, heat dissipation cold plate defect classification is carried out according to the air hole diameter of the heat dissipation cold plate finished product after correction, and the production quality and use reliability of the heat dissipation cold plate can be improved.

The application provides a performance test method, system, device and medium of a parallel converter, the parallel converter comprising a plurality of first devices and a plurality of second devices; each device comprises at least two modules; the module types comprise first modules and second modules; the method comprises: controlling the first modules to operate in a voltage source mode and the second modules to operate in an alternating current source mode; sending a power reference value instruction to realize parallel power test of each module; controlling the first devices to operate in the voltage source mode and the second devices to operate in the alternating current source mode; sending the power reference value instruction to realize parallel power test of the devices, and obtaining a performance test result of the parallel converter. By controlling part of the modules or devices in the parallel converter to be in the voltage source mode and simultaneously controlling another part of the modules or devices to be in the alternating current source mode, the power demand for external test power supply can be reduced.

The utility model is suitable for the technical field of automobile testing, and provides an aerocar power unit test board, which comprises a support table, a flight power test unit and a plurality of natural wind simulation components, and is characterized in that the support table is used for being assembled on the ground or a building; the flight power test unit is assembled on the supporting table and is used for carrying out flight power test; the plurality of natural wind simulation assemblies are annularly assembled on the supporting table in a sliding manner; the flight power test unit comprises a flight impeller assembly, a connecting belt assembly and a dynamometer; the dynamometer is assembled on the supporting table, and the flying impeller assembly is connected to the dynamometer through the connecting belt assembly; the connecting belt assembly is used for transmitting the flight power of the flight impeller assembly to the dynamometer from multiple angles; and the plurality of natural wind simulation assemblies provide natural wind with different wind speeds for the flight impeller assembly from different angles, so that simulation tests can be carried out by simulating actual environments with different types of natural wind.

The invention discloses a resistance test device for a depth-variable underwater vehicle, and the device is characterized in that a support frame is fixedly installed at the bottom of a hydrodynamic test trailer, and two groups of guide rail assemblies in the support frame are symmetrically arranged at the two sides of the bottom of the central axis of the hydrodynamic test trailer; two groups of sliding block connecting structures at the bottom end of the motion bearing platform are fixedly connected with the sliding blocks in the guide rails on the two sides, and the motion bearing platform and the supporting frame are locked and fixed; the lifting test mechanism penetrates through the middle part of the motion bearing platform through a lifting screw rod, and the lifting screw rod is matched with a hand wheel; the underwater vehicle model lifting device is fixedly connected with an underwater vehicle model through a model connecting assembly on the lower portion of the underwater vehicle model lifting device, and the model connecting assembly and the underwater vehicle model are vertically lifted or descended through the action of a hand wheel on a lifting lead screw, so that the underwater vehicle model is mounted or dismounted on the water surface. And ascending and descending of the underwater vehicle model in the test process.

The invention relates to the technical field of battery modeling, and discloses a battery multi-dimensional parameter identification method, a battery multi-dimensional parameter identification device and battery multi-dimensional parameter identification equipment for electric power energy storage. Determining to-be-identified parameters of the to-be-detected electric energy storage battery, wherein the to-be-identified parameters comprise an instant response parameter, a fast polarization parameter, a medium polarization parameter and a slow polarization parameter; performing a constant current mixed pulse power characteristic test on the to-be-tested electric energy storage battery to obtain a constant current test result, and obtaining an instant response parameter and a fast polarization parameter according to the constant current test result; performing constant-power mixed pulse power characteristic test on the to-be-tested electric energy storage battery to obtain a constant-power test result; and optimizing and calibrating a constant-current test result by combining the instantaneous response parameter, the fast polarization parameter and the constant-power test result to obtain an identification parameter of the to-be-tested electric energy storage battery. The battery parameters obtained through identification are closer to the operation condition of the electric energy storage battery, and distortion is reduced.

The invention discloses a thermodynamic test bench with pressure large amplitude transient regulation, and belongs to the technical field of thermodynamic test equipment, the thermodynamic test bench comprises a thermal test bench, the front and rear sides of a thermal test sleeve are respectively communicated with a gas injection pipe and a material injection pipe, and the thermal test sleeve is provided with a gas injection regulation mechanism for regulating the gas injection pressure and temperature. An exhaust adjusting mechanism is arranged on the thermal test sleeve and used for adjusting exhaust pressure. Through cooperation of the exhaust partition plate and the electric push rod, when the electric push rod rapidly moves the exhaust partition plate, the volume of an exhaust cavity of a combustion chamber can be instantly changed, a sudden pressure drop or rise working condition is created, and pressure transient change in flight of an airspace engine is accurately simulated, and through cooperation of an air pressure monitoring plug and a compression spring, when the air inlet pressure is lower than a threshold value, the air pressure can be monitored. And the pre-tightening force of the compression spring is adjusted through the hydraulic push rod, so that the minimum air inlet pressure threshold value can be flexibly set, and different test scenes of the airspace engine can be adapted.

This application provides a method, electronic device, and storage medium for online power monitoring of photovoltaic modules. The method includes: constructing verification conditions; determining a valid test time based on pre-established verification conditions (string operating status verification, irradiance integer value verification, and irradiance stability verification); real-time power correction of the module based on the measured irradiance and cell temperature at the valid test time; determining the online power test value based on the corrected power value under the same integer irradiance reference value; when the integer irradiance reference value reaches a preset high irradiance threshold, correcting the online power test value to standard test conditions to obtain a comparable online power test value; determining the current control reference for the current test cycle based on its corresponding factory power correction value; and updating the dynamic iterative control reference based on the current control reference and historical control references to perform power anomaly monitoring. This application achieves accurate online testing and anomaly identification of photovoltaic module power.

The present invention provides a modular testing device for fuel cells, which belongs to the field of fuel cell technology and solves the problem that existing testing devices do not meet the current high-power test requirements and the testing process costs are too high. The device includes an air supply unit, a signal acquisition unit, a temperature control unit, and a host computer. The air supply end of the fuel cell to be tested is connected to the output end of the air supply unit, and the cooling end is connected to the temperature control unit. The signal acquisition unit collects the output electrical signal of the fuel cell to be tested in real time, and sends the power supply signals of the air supply unit, the signal acquisition unit, and the temperature control unit to the host computer. The host computer controls the start-up of the air supply unit, the signal acquisition unit, and the temperature control unit; and, based on the electrical signal output by the signal acquisition unit, determines the health status of the fuel cell and the total power consumption and power consumption trend of the device, and switches the power supply of each unit from single use to parallel mode when the total power consumption continues to increase or the collected electrical signals continue to increase.

The application discloses an explosion-proof test circuit based on an IGCT power module, wherein a first plate of a capacitor module is electrically connected with a first end of a first power test unit, a second plate of the capacitor module is electrically connected with a second end of a second power test unit, and the first power test unit and the second power test unit are connected in series. The first power test unit comprises a conductive pad and an insulating pad, or the second power test unit comprises a conductive pad and an insulating pad. In this way, a straight-through short-circuit fault between the first power test unit and the second power test unit is simulated through the insulating pad and the conductive pad, and the voltage information and the current information of the capacitor module when the straight-through circuit fault occurs are verified, so that the straight-through short-circuit fault test can be realized through the explosion-proof test module, a complete converter valve or valve section is not needed to be formed, the experimental condition is simple, and the test is convenient.

The present disclosure provides an output power test system, belonging to the technical field of automobiles. In the present disclosure, the output power test system is used to test the low-voltage load output power of a vehicle to be tested, without the need for a large test site, and the output power test system only needs to occupy the site size of a test cabin, the floor area of the test cabin is only a little larger than that of a vehicle, and moreover, the rotary hub test bench, the data collector and the controller are not very complex devices, so the construction of the power test system is much simpler than that of a large test site, and the use of the power test system to test the low-voltage load output power of a vehicle is simpler and more convenient.

The invention relates to the technical field of power testing, and discloses a converter transformer bushing discharge analysis method, system and device based on multi-physics field data fusion. The invention aims to solve the technical problems that the traditional observation means cannot go deep into the discharge process and the internal mechanism is difficult to reveal. According to the method, a multi-physical field combined observation and analysis framework is constructed, and an instantaneous and irreversible complex physical discharge process is converted into a four-dimensional digital image which can be played back, analyzed and quantized. The core of the method is that a plurality of discrete and mature inversion reconstruction algorithms are integrated under a unified space-time reference for collaborative data processing for the first time. An omnibearing and high-fidelity digital analysis tool is provided for researching the high-voltage discharge physical process, and the depth and efficiency of discharge experiment research are remarkably improved.

The application discloses a lithium titanate battery power test method and belongs to the technical field of battery performance test. The method solves the problem that the existing battery power density test method cannot be applied to the continuous pulse power discharge working condition. The application comprises the following steps: based on the HPPC method, adjusting the pulse discharge test time to 18s, standing for 40s-5min, and subtracting the 18s discharge cutoff voltage from the voltage after standing; alternately charging or discharging the battery in the test, discharging for 10s, charging to the capacity consistent with that before discharging, recording the voltage, and calculating the power capacity; calculating the power change curve at different discharge times; the internal resistance obtained by the test presents a trend of first increasing and then decreasing with the increase of the discharge time, which is affected by the cell polarization and temperature rise; the JEVS method is used to obtain the maximum charging or discharging current; and the power verification of the final result is performed. The application is used for the battery power density test under the continuous pulse power discharge working condition.

The utility model discloses a charging function testing device which comprises a base, four corners of the bottom end of the base are fixedly connected with supporting ground feet, the front side of the upper end of the base is fixedly connected with an object placing table, the rear side of the upper end of the object placing table is provided with a first sliding groove, and the interior of the first sliding groove is rotatably connected with a first bidirectional screw rod. L-shaped side plates are arranged on the two sides of the first sliding groove, and a second sliding groove is formed in the middle of the upper end of the base. According to the utility model, the charging plug can be clamped through the arranged clamping assembly, and the position of the clamping assembly can be adjusted through the arranged lifting assembly and the arranged adjusting assembly, so that the charging plug can be aligned with the charging port, and therefore, the charging plug can be inserted into the charging port through the pushing assembly, and a charger can be inserted into a socket; power supply can be carried out through the arranged socket, and charging data can be detected through the arranged power tester and displayed on the operation panel.

The invention discloses an action power test method for an intermediate relay, which relates to the technical field of relay inspection, and comprises the following steps: collecting loop signals through a test port and an action feedback interface, and automatically judging the wiring compliance; receiving a direct current target test mode, an alternating current target test mode and an intermediate relay rated parameter instruction; according to the target test mode, the DC / AC switching module is controlled to switch, the function change-over switch is synchronously driven, the corresponding input and output switch is closed, the adjustable power supply is started, and AC / DC power supply interlocking control is executed; starting a voltage automatic adjusting strategy based on the rated parameters, gradually adjusting the output voltage and collecting voltage signals in real time; continuously collecting on-off signals, stopping voltage regulation after judging that the relay acts, and locking voltage and power signals at the moment of action; and calling an industrial standard parameter library for comparison, generating a comprehensive judgment result, and closing a corresponding power supply to complete the test. According to the method, automation and precision of the operation power test of the intermediate relay are realized, and the test efficiency and the result reliability are improved.

Methods, systems, and devices for wireless communications are described. A testing device may output an indication of multiple steering directions to a network entity. Multiple beamforming vectors corresponding to regions within a coverage angular region (CAR) of the network entity may be based on the multiple steering directions. For each region, a respective steering direction of the multiple steering directions may be determined from a respective test location selected from a set of test locations on a perimeter of a subregion within each region. The testing device may measure one or more effective isotropic radiated powers (EIRPs) of beams over an elevation or an azimuth angle associated with the multiple beamforming vectors. The testing device may verify that a cumulative or expected EIRP of the beams satisfies a EIRP envelope or mask associated with the elevation or the azimuth angle.

The invention relates to the technical field of power electronic testing, and particularly discloses a laboratory networked management control system for high-power power electronic testing. The system comprises an equipment room, a test room, a network communication management system, a centralized control platform and a state detection and self-inspection module. Wherein the equipment room is used for arranging high-power test equipment, and realizes physical isolation from testers through a ventilation structure and a sound insulation structure; the test room is used for arranging an operation table and low-power test equipment and is connected with the equipment room through a cable and a communication line; the network communication management system constructs a local area network to realize remote communication; the centralized control platform is used for uniformly controlling and scheduling various devices; and the state detection and self-inspection module is used for monitoring the running state of the equipment and realizing automatic cut-off of a fault branch. The system improves the test safety, the operation efficiency and the automatic management level, and is suitable for test platform construction of new energy, power conversion and energy storage systems.

This application belongs to the technical field of testing devices and discloses an air compressor shaft power testing device, including a housing and a detection motor fixed inside the housing and capable of intelligent drive. A main pulley is fixedly fitted onto the output end of the detection motor. An adjustable mounting bracket is provided on the top of the housing, and an air compressor is detachably connected to the top of the mounting bracket. A driven pulley is detachably connected to the drive shaft of the air compressor. The output end of the air compressor drive motor rotates via a belt connecting the main pulley and the driven pulley. In this application, a torque detection device is first connected to the driven pulley. Then, the detection motor drives the main pulley to rotate. Under the transmission of the belt and the driven pulley, the drive shaft of the air compressor rotates. Simultaneously, the torque detection device measures the torque generated when the driven pulley rotates and, based on the power calculation formula, can determine the operating power of the air compressor, thereby judging the air compressor's energy consumption level, energy-saving effect, and operating efficiency.

The utility model belongs to the field of high -power test equipment especially relates to a heat pipe radiator for test equipment, including heat conduction matrix, heat pipe, heat dissipation matrix, heat conduction matrix is connected with heat dissipation matrix, it is equipped with a plurality of through -hole in the middle heat conduction matrix, the fixed connection of heat pipe has on heat dissipation matrix, the evaporation section of heat pipe is close to heat conduction matrix, the fixed connection of a plurality of radiating fins has on heat dissipation matrix, and the condensation section of radiating fin is close to heat pipe. Advantage is: has high -efficient heat dissipation, good dustproof, space utilization high -efficient, the advantage that heat is conducted downward, can effectively solve the heat dissipation problem of high -power test power supply equipment under special working condition, improves the operating stability and life of equipment.

The invention discloses a multi-model driving motor adaptive test system, and relates to the field of driving motor test. The rack bearing module is welded by low-alloy steel plates, the bottom is fixed, and vertical guide rails and horizontal sliding rails are arranged; the self-adaptive positioning module comprises a three-dimensional adjusting mechanism, so that accurate positioning is realized; the intelligent clamping module adopts a circumferential clamping assembly and an axial jacking device, and a clamping motor is stably clamped through an arc-shaped clamping jaw and the jacking device; the power test module collects parameters such as torque and rotating speed, and supports switching of vector control and torque control modes; the automatic calibration module is provided with a laser tracker and a standard torque meter, so that the measurement precision is ensured; the data processing module adopts an industrial computer to analyze data and generate a chart; and the safety protection module is provided with a three-level protection mechanism to guarantee the test safety. The method is fast adaptive to multi-model motor testing, improves the efficiency and precision, guarantees the safety, is reliable in data, is suitable for various testing scenes, and optimizes the traditional testing technology.

This application discloses a solid-state microwave source output power testing device, relating to the field of electrical variable testing. The device includes a power supply module, a mechanical adjustment component, and a light-emitting indicator component. The power supply module supplies power to the solid-state microwave source; the mechanical adjustment component adjusts the output power of the solid-state microwave source; and the light-emitting indicator component detects the output power of the solid-state microwave source. This application uses a mechanical method to adjust the output power of the solid-state microwave source and employs electromagnetic field coupling + light emission to detect the output power. This enables intuitive qualitative detection of the solid-state microwave source output power, has a simple structure and low cost, and the mechanical adjustment component and the light-emitting indicator component have low requirements for the testing environment.

The application discloses a kind of analytical force test method, equipment and computer readable storage medium, the method includes collecting the line pair image obtained by the camera module to be measured to test mark plate shooting, wherein test mark plate contains at least one mark plate unit, at least one line pair is provided on each mark plate unit;Line pair image is preprocessed, to locate and extract the imaging feature area of all corresponding mark plate units in line pair image;Each line pair in imaging feature area is independently polynomial fitted respectively, and the brightness-pixel position fitting function corresponding to each line pair is obtained;According to the brightness-pixel position fitting function corresponding to each line pair, the brightness peak value and brightness trough value of line pair are extracted, and the analytical force numerical value corresponding to each line pair is calculated.The analytical force test method of the application can realize multi-direction analytical force test and accurate evaluation of detail clarity, which helps to improve line pair detection precision.

The invention relates to a manually-adjusted high-power broadband attenuation control device and method. A first adjusting unit provides discrete gears corresponding to different first attenuation values, and a second adjusting unit provides discrete gears corresponding to different second attenuation values. The processing module determines an attenuation value according to input information of the first adjusting unit and the second adjusting unit, calculates a target attenuation value, converts the target attenuation value into a 6-bit parallel binary control code, and outputs the 6-bit parallel binary control code to the program control attenuation module through a parallel interface. And each bit of the control code corresponds to a weighted attenuation bit, so that independent start and stop of the attenuation unit are realized. The method comprises the steps of detecting a pin level, determining an attenuation value, calculating a target value, generating a control code and outputting an instruction. And when the target attenuation value exceeds 63dB, forcibly outputting a maximum attenuation instruction. According to the scheme, the operation process is simplified through a two-stage adjustment framework, the response speed is improved through parallel direct drive control, the full-band signal attenuation stability is guaranteed through the metal shielding shell integrated design, and the high-power test device is suitable for a high-power test scene of the frequency band of 0.5-40 GHz.