67 results about "Control test" patented technology

The invention discloses a multi-dimensional power consumption test method and device for a solid state disk and a storage medium, and the method comprises the steps: controlling a test environment parameter and the solid state disk to enter a preset initial state in response to a test start instruction; based on a test matrix which predefines a plurality of temperature and capacity occupation combinations, controlling a test device to apply a multi-dimensional dynamic working load to the solid state disk, and synchronously acquiring power consumption data, internal state data and performance data; performing time synchronization and data fusion on the collected multi-source data to form an associated data set; and performing intelligent analysis on the data set, extracting power consumption characteristics of the solid state disk, and generating a power consumption evaluation report based on the power consumption characteristics. According to the method, the problems of single test dimension, incomplete test condition coverage, failure in effective fusion of multi-source data and lack of intelligent analysis in the prior art are solved, and comprehensive, accurate and automatic evaluation of the power consumption of the solid state disk is realized.

The invention discloses a distributed photovoltaic direct acquisition terminal group scheduling and group control test system and method, and the system comprises a multi-protocol conversion engine which is configured to receive heterogeneous communication protocol messages of a simulation master station, a tested terminal and a photovoltaic power station simulation system, convert the digital simulation data of the photovoltaic power station simulation system into communication messages compatible with the tested terminal, and send the communication messages to the simulation master station, the tested terminal and the photovoltaic power station simulation system; the control instruction of the tested terminal is converted into an operation instruction which can be executed by the photovoltaic power station simulation system; the dynamic interaction database comprises an electrical parameter table, an equipment state table and a control enabling bit table, the three tables are dynamically associated through unique equipment identification and timestamps, real-time data synchronization is achieved, real-time data writing, concurrent access control and historical tracing in the testing process are supported, and concurrent access control is achieved through a transaction lock and a version number mechanism; and the instruction tracking diagnosis module is configured to record the whole-process data change of the control instruction from issuing to execution.

An omni-directional attitude gravity center self-adaptive regulation and control test platform for a hilly and mountainous region agricultural machine chassis comprises a simulation vehicle body box groove, a control box, a gravity center determining device, a gravity center adjusting device, a transverse inclination angle simulation device and a longitudinal inclination angle simulation device. The simulated vehicle body tank is provided with a double-shaft tilt angle sensor, and the simulated vehicle body tank is arranged on the gravity center determining device; the gravity center determining device is provided with a spoke type pressure sensor and a supporting frame. The gravity center determining device is connected with the gravity center adjusting device; the gravity center adjusting device is provided with a transverse sliding table module, a longitudinal sliding table module, a transverse ultrasonic ranging module and a longitudinal ultrasonic ranging module. The gravity center adjusting device is connected with the transverse inclination angle simulation device; the transverse inclination simulation device and the longitudinal inclination simulation device are respectively provided with a transverse electric push rod and a longitudinal electric push rod. The utility model provides necessary theoretical support for the stability and the climbing ability of the mountain agricultural machinery, and has the advantages of being simulatable in omnidirectional inclination angle, determinable in gravity center position, measurable in gravity center adjustment amount, good in working stability and the like.

The invention relates to the technical field of online material performance test instruments, and discloses a sensor pulse pressure fatigue test closed-loop control system based on signal drift compensation, which comprises a load excitation execution module, a signal feedback acquisition module and a closed-loop control logic module, the closed-loop control logic module selects a phase-locked characteristic observation window by calculating a load first-order derivative, extracts a dynamic gain coefficient reflecting the response characteristic of a controlled test object in the observation window, and inputs the dynamic gain coefficient into a filter to generate a characteristic variable; the variable is compared with the standard response envelope line, the deviation is calculated, the compensation factor is calculated and superposed to the driving instruction, the real-time correction of the output gain is realized, and through the identification and active compensation of the signal drift, the sensing deviation caused by the structural degradation of the sensitive component is effectively eliminated, and the sensing consistency of the test process is maintained.

The application discloses a regional stability control test system and method, the system comprises a host computer and a plurality of test boxes in communication with the host computer, each test box is connected to an execution station device of a regional stability control system, the test boxes are synchronized through time signals; the host computer sends test parameters and channel parameters configured according to test requirements to corresponding test boxes; receives test results fed back by the test boxes, and generates a test report; the test boxes send test data to the connected execution station devices according to the test parameters and the channel parameters, and feed back test results fed back by the execution station devices to the host computer. The application can uniformly manage and synchronously control test data received by the execution station devices deployed in multiple stations through the host computer and the plurality of test boxes in communication with the host computer, can meet test requirements of a large regional stability control system, test data is configured according to test requirements, a test report is generated according to test results, a test closed loop is completed, the mode has low requirements on coordination and cooperation between stations and personnel skills, and can greatly reduce the workload of test personnel.

The invention relates to the technical field of coating processes, and discloses a method for optimizing a middle coating process of a tab slot. The method comprises the following steps: respectively formulating a corresponding single-factor control test group based on a control group of each test slurry; for each piece of test slurry, respectively adopting the corresponding single factor to control the coating process parameter combination of the test group, and carrying out a tab slot middle coating process test; key parameters influencing the cleanliness of the slot and key parameters influencing the edge thickness consistency of the slot are screened out according to the test data; according to the method, the key parameters influencing the cleanliness of the slot position and the consistency of the edge thickness of the slot position are respectively screened out through a single-factor control test, so that a scientific fact basis is provided for process optimization, the optimal process window is conveniently and quickly determined, and engineering application and development of middle coating of the tab are promoted.

The application discloses a kind of multi-dimension power consumption test method, equipment and storage medium of solid state disk, the method includes: in response to test start instruction, control test environment parameter and solid state disk enters preset initial state;Based on the test matrix of multiple temperature and capacity occupation combinations being predefined, control test equipment to apply multi-dimension dynamic work load to solid state disk, and synchronously collect power consumption data, internal state data and performance data;The multi-source data collected are time-synchronized and data fusion, form associated data set;Intelligently analyze the data set, extract the power consumption characteristics of solid state disk, and generate power consumption evaluation report based on it.The application solves the problems of single test dimension, incomplete test condition coverage, ineffective fusion of multi-source data and lack of intelligent analysis in the prior art, and realizes comprehensive, accurate and automated evaluation of solid state disk power consumption.

The utility model relates to the technical field of acidity and alkalinity detection, and provides foaming agent acidity and alkalinity detection experimental equipment which comprises an equipment body, sliding plates are connected to the two sides of the equipment body in a sliding mode, protection plates are fixedly connected to the tops of the sliding plates, and by arranging the protection plates, the top of the equipment body can be shielded by the protection plates; under the action of the vertical plate, the two sides of the equipment body can be shielded, so that the equipment body is protected, dust is prevented from falling on the equipment body, when the protection plate needs to be disassembled, the baffle is pulled upwards, the baffle is separated from the sliding plate, the sliding plate can be pulled out, the protection plate can be disassembled, and when the height of the test pen needs to be adjusted, the protection plate can be disassembled. When the control ring is rotated, the connecting plate and the mounting plate can be driven to descend along the vertical rod, and the top of the limiting rod also descends along the top of the vertical rod, so that the height of the test pen is adjusted, and the test pen is controlled to enter the container to detect the foaming agent.

The invention relates to the technical field of measuring tools, and particularly discloses a dial gauge self-checking device based on a contrast test method. The linear guide rail box is arranged in the shell; through an integrated transmission chain of the moving block, the spring rod, the extension mechanism, the moving rack, the rotating gear, the worm, the worm gear, the rotating ring and the limiting piece, the device can be matched with a dial gauge push rod with the circumferential diameter within the range of 8-15 mm without replacing a clamp, and the device is convenient to use and high in practicability. The moving block directly receives the diameter difference displacement of the pushing rod, the spring rod absorbs impact and transmits the displacement, the extension mechanism amplifies the displacement and then drives the rack, the gear, the worm and the worm wheel to conduct transmission, finally the limiting piece is pushed through the rotating ring to clamp the pushing rod, adjustment is only needed through the pushing screw rod in the adaptation process, and clamp disassembly and assembly errors do not exist. The consistency of control test conditions is ensured.

The invention discloses a rail type curtain opening and closing control device and a testing system thereof, and relates to the field of control testing, the rail type curtain opening and closing control device comprises a control testing unit, the top end of the control testing unit is provided with a power supply unit, and the right side of the power supply unit is provided with a rail assembly; the left side of the bottom end of the track assembly is provided with a motor main body, the right side of the bottom end of the track assembly is provided with an attitude acquisition module, and the control test unit is used for actually editing a control instruction to operate the motor main body, virtually constructing a motor main body operation environment and testing a life loss coefficient of the motor main body in a state of controlling the track assembly; whether abnormal loss exists or not is analyzed, and target tracking is carried out on abnormal loss reasons; interference of accessories on test results is avoided, an automatic mechanism reduces manual load adding operation, test time is shortened from several hours to the minute level, and reliability of test data is ensured.

The embodiment of the invention provides an underground cavern unsteady state heat and humidity coupling environment regulation and control test system, which comprises a cavern body structure unit, which comprises a rock surrounding layer and an internal enclosure structure layer, and the enclosure structure layer comprises a moisture-proof layer, a concrete layer, a heat preservation layer, an air interlayer and a light partition wall which are sequentially arranged from outside to inside; the environment simulation unit comprises a constant-temperature and constant-humidity air conditioning unit, an electric heater and axial flow fans, an air supply port and an air return port of the constant-temperature and constant-humidity air conditioning unit are respectively communicated with the hole body structure, the electric heater is arranged in the hole body structure, and the axial flow fans are arranged at an inlet and an outlet of the hole body structure; the multi-dimensional monitoring unit comprises an air parameter monitoring unit, a structure parameter monitoring unit and an equipment parameter monitoring unit; and the data processing unit is connected with the environment simulation unit and the multi-dimensional monitoring unit, and is used for receiving the monitoring data and comparing and analyzing the monitoring data with a calculation result of a preset simulation model.

The utility model belongs to the technical field of air-tight doors, and particularly relates to an air-tight door testing device which comprises a testing door frame tool, an air-tight door body, an inflation rubber strip, a door body hinging piece, a main control testing stand and an air-tight door opening and closing testing system. The air-tight door opening and closing test system comprises a driving device for driving an air-tight door body to be opened and closed in a reciprocating mode, the driving device is provided with a pull pressure sensor used for feeding back pull pressure in the test process, and a door body hinge piece of the air-tight door body is provided with an angle sensor used for feeding back the opening and closing angle of the air-tight door body in the test process. The air-tight door opening and closing simulation test device can carry out an air-tight door opening and closing simulation test so as to detect the durability of parts such as a door body hinging piece and a shaft sleeve and detect the abrasion and deformation conditions of the door body hinging piece and the shaft sleeve in the life cycle, analysis is carried out according to test data, and the test efficiency is improved. And the structural design of the airtight door is optimized, so that the product quality is improved.

The application discloses a kind of oxygen-reducing nitrogen injection fire prevention and control test system and method, including control center, video acquisition module, temperature monitoring module, humidity monitoring module, atmospheric pressure monitoring module, oxygen content monitoring module and power module.The application carries out information collection by each module, and input acquisition result into control center, and the effect of fire prevention and control is predicted based on BP neural network prediction algorithm.The application is designed for the oxygen-reducing nitrogen injection fire prevention and control test demand, builds an oxygen-reducing nitrogen injection fire prevention and control test system, realizes the system function that back-end control center real-time monitoring front-end test environment inside video, temperature, humidity, atmospheric pressure, oxygen content and other test data, provides a systematic solution for oxygen-reducing nitrogen injection fire prevention and control technology test environment building, realizes a comprehensive centralized oxygen-reducing nitrogen injection fire prevention and control test environment system.

The invention relates to the technical field of drilling machine disc brake control testing, in particular to a drilling machine disc brake control testing system and method based on a cloud platform. The system collects apparent electric control signals and hidden physical layer data; the method comprises the following steps: calling a degradation mechanism model to calculate a physical degradation state based on hidden working condition data; the digital twin body updates and simulates a virtual limit working condition according to the virtual limit working condition; the evaluation module calculates a recessive degradation weight factor and a real reliability index in combination with a virtual simulation result and an apparent index; and the adaptive adjustment module dynamically adjusts simulation and sampling frequencies according to the reliability change rate. According to the invention, limitation of conventional electric control signals is penetrated, reduction of the real reliability of the disc brake system caused by high-frequency vibration, hydraulic oil pollution and other hidden physical degradation is accurately evaluated, and the false safety problem that the appearance of the system is normal but may be located at a failure edge is solved.

The utility model discloses a test tube placement adjustment frock, including bottom plate, the vertical board of setting in bottom plate upper side, setting on the rotary mechanism of vertical board, with the test tube rack of rotary mechanism connection, set up in bottom plate and located test tube rack one side's fluorescent tube mechanism, the lower extreme fixed mounting of vertical board is in bottom plate, the rotary mechanism fixed mounting is in vertical board, be equipped with the accommodation hole for placing test tube on the test tube rack, still be equipped with rubber block in the two sides of accommodation hole, fluorescent tube mechanism fixed mounting is in bottom plate. The utility model has the beneficial effect that can place multiple experimental test tubes, can control test tube rotation according to need, and can control test tube not to fall off, and test tube rack one side is equipped with the fluorescent tube frame, and the observation experimental result is convenient, and the observation efficiency is high.

The embodiments of the present invention provide a business scenario comparison method, device, terminal and storage medium; experimental test data obtained based on the business operations of experimental group users in experimental business scenarios and control test data obtained based on the business operations of control group users in control business scenarios can be obtained, and based on the experimental test data, the experimental test indicators of the experimental group users are determined, and based on the control test data, the control test indicators of the control group users are determined. If the deviation between the experimental test indicator and the control test indicator meets the preset deviation condition, the discrete degree information of the difference between the control test indicator and the experimental test indicator is determined, and the relative conversion effect information of the business resources is determined based on the discrete degree information and the difference between the experimental test indicator and the control test indicator. In this way, the influence of different business resource delivery situations in different business scenarios can be avoided, the accuracy of business scenario comparison can be improved, and the correctness of business scenario test results can be guaranteed.

The application provides an interface control test method and device. The method comprises the following steps: obtaining a character and an operation type of a to-be-tested control of a to-be-tested interface; searching for a character of a target control matched with the character of the to-be-tested control in an associated library of the to-be-tested interface, if the character of the target control is found, obtaining a coordinate of the to-be-tested control, the associated library comprising an association relationship between a character and a coordinate of a control in the to-be-tested interface, and the coordinate of the to-be-tested control being the same as that of the target control; if the character of the target control is not found, performing character recognition on the to-be-tested interface based on the character of the to-be-tested control to obtain the coordinate of the to-be-tested control; and performing a test operation in the to-be-tested interface based on the coordinate of the to-be-tested control and the operation type to obtain a first operation result. The interface control test is realized by replacing a picture with a character, the influence of a control style is reduced, and the coordinate of the interface control can be recognized at a high speed based on character recognition.

The present application relates to the technical field of automobile paint testing, in particular to a kind of automobile paint wash resistance tester and method, including test table, clamping part and testing mechanism.The present application is installed with flushing assembly and scrubbing assembly by plug-in installation mode, for simulating the real use situation of automobile coating, the angle of flushing and scrubbing is adjusted by angle adjusting part, the height during testing is adjusted by distance adjusting part, and multiple control groups are set at the same time for comparison test, and different angle flushing and scrubbing and different height flushing situation are simulated, to ensure the reliability of test result data, a variety of different situations are tested at one time by multiple quick-release installation and control test process, and the convenience of test process is improved.

The utility model relates to an electric control system testboard for engineering equipment, which comprises a test box, a comprehensive controller, an operation control box, a closed pump control box and a computer, the test box is connected with an electric control system to be tested through a test cable, and the electric control system to be tested is tested by pulling a toggle switch on a panel of the test box or rotating a single-circle carbon film potentiometer. An analog switching value or an analog quantity electric signal is transmitted to a tested electric control system and processed by an electric control system controller to control a corresponding system state indicating lamp on the test box to be lighted so as to test the correctness, stability and safety of the function of the electric control system, and the system can be operated by a single person, is simple and convenient to operate, is high in test response speed, and is visual and clear in test result. Powerful support is provided for early-stage performance analysis, system design, test verification and production delivery of the electric control system of the engineering equipment, so that the production quality of the engineering equipment is continuously improved, the time, manpower and material cost is reduced, and the development and production cycle is shortened.

The application discloses a kind of subway visual grounding software automation testing device and method, device includes power supply system real-time simulation unit: to power supply environment simulation realizes the real-time simulation of subway power supply system;IEC104 protocol simulation unit: each station corresponds an IEC104 protocol simulation unit, responsible for simulation main station and each substation communication link;Man-machine interface monitoring and operation unit: monitoring the man-machine interface state of software to be measured, verifies the interactive logic and response of visual grounding software;Automatic test management unit: control test process, with other units data interaction, management test execution order and trigger condition;Measured visual grounding software: as the main station end of IEC104 protocol, receives artificial remote control operation, changes the state of power supply system.The advantage is: flexible and portable, easy to integrate, can be directly integrated with subway visual grounding software, quickly access debugging environment, without deploying field real equipment in testing process, improve test efficiency.

The present application provides a kind of automatic unloading device of magazine type.The test magazine clamping and lifting mechanism includes test board clamping assembly, test board telescopic assembly and test board lifting assembly.Test board clamping assembly is used to clamp magazine, and the two ends of the magazine are open along the longitudinal direction.Test board telescopic assembly is connected to test board clamping assembly, for controlling test board clamping assembly to move along the transverse direction.Test board lifting assembly is connected to test board telescopic assembly, for controlling test board telescopic assembly and test board clamping assembly to move along the vertical direction.The automatic unloading device of magazine type includes the above-mentioned test magazine clamping and lifting mechanism.The empty magazine can be taken away from the test board empty magazine conveying mechanism, and the magazine is moved up and down to fill the circuit board through the discharge front rail conveying mechanism, and finally the magazine filled with circuit board is placed on the test board material receiving mechanism, without manual assistance, with high degree of automation, effectively improving work efficiency.

A system performs efficient execution of control tests for an organization. The system receives description of a set of controls. The system identifies a set of control tests associated with the controls. For each control, the system collects supporting information for the control. For each control test, the system performs the following steps. The system determines whether supporting information indicates that a condition required by the control failed to occur. The system determines whether the supporting information is applicable to the control test. The system determines whether the supporting information passes the control test. The system builds an output data structure representing a result of the control test. The system determines a final result by summarizing a set of results obtained from the set of control tests and performing a target action based on the final result.

The invention discloses an electric drive collision simulation test system, which belongs to the field of collision simulation and comprises an electric drive force subsystem, a collision simulation subsystem and a control test subsystem. The electric driving force subsystem provides power required by acceleration and braking of the test trolley in the collision simulation test, and comprises a high-thrust linear motor, a high-power pulse energy storage device, a pulse discharge power supply device and a charging device; the collision simulation subsystem provides an acceleration track and a mounting platform required by collision simulation, and comprises the acceleration track, a test trolley and an anti-collision device; and the control test subsystem realizes a man-machine interface required by system control, monitors the system state in real time, records test process data and automatically analyzes and issues a test report, and comprises a measurement and control table, high-speed data acquisition equipment and lighting equipment. The electromagnetic force driving technology route is adopted, and the device has the advantages of being continuous and adjustable in load, accurate and controllable in any test waveform, small in installation occupied area, low in use and maintenance cost and high in intelligent level.

The present application provides a test system and test method, including a test bench, a host computer, and a test application; the test application is pre-installed in the in-vehicle entertainment system host to be tested; the test bench is electrically connected to the in-vehicle entertainment system host to be tested; the test application drives the in-vehicle entertainment system host to be tested to perform peripheral tests according to a preset test sequence, and sends the execution results of the peripheral tests to the test bench; generates and saves peripheral test evaluation results; the test bench receives and presents the execution results; collects user evaluation information on the execution results and forwards it to the test application; after the peripheral test is completed, the host computer obtains the peripheral test evaluation results; generates a control test signal based on the control test content, and sends it to the test application via the test bench; and receives feedback signals returned by the test application to generate control test evaluation results. This method can improve the development efficiency and development quality of the in-vehicle entertainment system host.

The invention provides a fire extinguishing system fire extinguishing performance testing device for an energy storage system, which relates to the technical field of fire extinguishing performance testing and comprises a basic characteristic parameter acquisition module, a test scheme intelligent generation module, an out-of-control test working condition simulation module, a multi-dimensional parameter acquisition and monitoring module and a fire extinguishing performance evaluation and analysis module. According to the invention, an individual characteristic parameter set of the tested energy storage system is constructed through the basic characteristic parameter acquisition module, so that the test scheme intelligent generation module can generate a targeted dynamic time sequence test scheme, and accurate matching between the test scheme and the actual working condition of the energy storage system and dynamic simulation of the whole thermal runaway process are realized; through the multi-dimensional parameter acquisition and monitoring module and the fire extinguishing performance evaluation and analysis module, three-dimensional comprehensive evaluation of the fire extinguishing efficiency, the cooling performance and the decontamination efficiency is realized, an optimal fire-fighting strategy is automatically output based on an evaluation node distance, and the intelligent level and the engineering application value of the test device are improved.

The application provides a control test configuration method, device and equipment and a storage medium. The method comprises the following steps: obtaining a target business form to be tested, and obtaining test configuration parameters of the target business form; rendering the test configuration parameters by using a preset control test toolkit to obtain test interface controls, wherein the control test toolkit is a software development kit associated with the target business form; mounting the test interface controls to a preset test interface in the target business form to generate an initial control test; obtaining a test identifier of the target business form, combining the test identifier and the initial control test, and obtaining a target control test. The technical solution can reduce the repeatability of control test configuration, optimize the operation logic of control test configuration, and reduce the operation difficulty of control test configuration.

The application discloses a loom weft insertion electromagnetic valve opening and closing control test system, method and equipment, which comprises an encoder shunt board, which is used for shunting the initial encoder differential signal of a loom encoder; a first encoder differential signal obtained through shunting is sent to a loom electric control for loom control; a second encoder differential signal obtained through shunting is sent to a programmable logic controller for loom angle calculation to obtain an actual loom angle; the opening and closing state of a loom weft insertion electromagnetic valve is collected; the corresponding relationship between the actual loom angle and the opening and closing state is recorded; a preset loom angle and electromagnetic valve opening and closing state comparison table is called; consistency verification is performed on the corresponding relationship and the preset loom angle and electromagnetic valve opening and closing state comparison table, and the test result of the loom weft insertion electromagnetic valve opening and closing control is determined according to the obtained verification result. The application realizes accurate test of the loom weft insertion electromagnetic valve opening and closing control, improves the stability of loom operation, and improves the weaving efficiency of the loom.

This invention discloses an aging test device, method, and system for a wall-hung boiler controller. The device includes a main control test unit, a test chamber, a test station, and a condition simulation engine. The main control test unit is used to install and run aging test management software. The test station is used to install the controller under test. The condition simulation engine is electrically connected to both the main control test unit and the controller under test. This device dynamically reconstructs the entire operating environment of the wall-hung boiler through the condition simulation engine, replacing the physical boiler with a "virtual boiler," thus constructing a high-fidelity, programmable, and reusable test environment, significantly improving test efficiency and accuracy.

The invention discloses a strength detection device for a high-hardness martensitic stainless steel band, belongs to the technical field of strength detection, and provides the following scheme that the strength detection device comprises a strength detection mechanism, and an adjusting detection mechanism is arranged on the strength detection mechanism; according to the device, the single grabbing assembly is arranged, the multiple independent and controllable clamping assemblies are matched, the positions of the grabbing assemblies can be rapidly switched through the horizontal moving assembly, and when the grabbing assemblies are combined and connected with the guiding assembly, the multiple clamping assemblies can be controlled to synchronously achieve stretching detection of multiple sets of stainless steel bands; furthermore, multiple groups of control tests can be conveniently and quickly carried out, the tension strength difference of stainless steel bands in different batches or under different process parameters can be accurately compared, meanwhile, one group of clamping assembly can be independently controlled to be linked with the grabbing assembly, accurate tensile strength detection of a single group of stainless steel bands is completed, and the requirements of a single group of fine tests are met; and the clamping assemblies are provided with mechanical sensors for detecting stretching, so that stretching data of each group can be effectively collected.

The utility model belongs to the technical field of test devices, and particularly relates to an equipment pressure test device protected by a dust ignition prevention shell, which comprises a gas pressure regulation chamber, an extension rod is fixedly connected to the end part of the gas pressure regulation chamber, and a gas inlet nozzle is fixedly arranged in the gas pressure regulation chamber. An air inlet valve is connected to the interior of the air pressure adjusting chamber through threads, a pressure gauge adapter is fixedly installed in the air pressure adjusting chamber, an air pressure adjusting valve is fixedly installed in the air pressure adjusting chamber, and a handle is fixedly installed on the air pressure adjusting chamber through a pin shaft. According to the utility model, the gas pressure regulating chamber is used as a carrier, the gas inlet valve and the gas pressure regulating valve can be used for controlling the pressure and pressure relief of the test gas, the safety and reliability of the test are ensured, the pressure gauge adapter can be connected with a pressure gauge with a corresponding measuring range, the test pressure is ensured to be a required value, and the explosion-proof standard requirement is met.