2106 results about "Test chamber" patented technology

The invention relates to the technical field of tensile tests, and discloses a building sealant stretching performance test device, which comprises a test box, a first clamp, a loading block, a linear driver and a driving mechanism, a door plate is mounted on the front of the test box; the first clamp is installed at the top in the test box, the loading block is arranged in the test box, located below the first clamp and driven by the linear driver to move up and down, a through loading channel is formed in the loading block, and a cylinder is arranged in the loading channel and driven by the driving mechanism to rotate; a through assembly channel is formed in the cylinder body, and a transversely-arranged guide rail body is installed in the assembly channel. According to the invention, by carrying out stretching, torsion, inclined stretching, tearing stretching, winding stretching and testing in a low-pressure environment on the sealant, the mechanical properties of the sealant under complex working conditions can be comprehensively evaluated, the testing precision and reliability are improved, the actual engineering requirements are met, and meanwhile, the testing safety and environmental protection property are ensured.

The invention discloses salt spray environment test equipment for environment test, and belongs to the technical field of environment test. The device comprises a test box, a spraying assembly is installed in the test box, a plurality of fans are fixedly installed in the test box, a plurality of heaters are fixedly connected in the test box, a test rack is placed in the test box, a clamping assembly is installed on the test rack, and a simulation assembly is further installed on the test rack. The simulation assembly comprises a shielding assembly, an impact assembly and a friction assembly, the shielding assembly comprises a supporting frame, and a hydraulic cylinder is fixedly installed on the supporting frame. In the circulating corrosion test process, the hydraulic cylinder can be started, atomized saline water is prevented from falling on a sample, and the shielding time can be manually set, so that a control test is formed, that is, one part of the sample is shielded, the other part of the sample is not shielded, and different shielding time can be set on different samples, so that the accuracy of the control test is improved. And test results are enriched.

According to the cold region slope multi-field coupling effect simulation test device and method, the device is composed of a freeze-thaw environment test box, a slope model, an anchor rod axial loading system, a crack water injection assembly and a multivariate data monitoring system, and the multi-physical field coupling effect of freeze-thaw cycle, crack water permeation and long-term creep can be simulated. By dynamically adjusting the temperature gradient and graded loading parameters, data of a stress field, a temperature field and a displacement field can be collected in real time, the influence of different freeze-thaw conditions and creep drawing loads on a slope damage mechanism can be analyzed, a key test means is provided for revealing the strain rate effect, the aging deformation characteristics and the instability criterion of the slope in the cold region, and the test efficiency is improved. The method has an important guiding value for stability evaluation and disaster prevention and control of the cold region slope engineering.

The invention relates to the technical field of programmable multi-mode integrated control, in particular to an integrated control platform of a programmable multi-mode environmental test chamber, which comprises a multi-mode sensing unit, a dynamic logic reconstruction unit, a virtual verification sandbox unit and a feedback optimization unit, the multi-modal sensing unit synchronously collects parameters such as temperature and humidity to generate environment data streams, the dynamic logic reconstruction unit analyzes parameter interaction by using a long-short-term memory neural network in combination with a double-attention mechanism to generate an optimal control logic chain, the virtual verification sandbox unit constructs digital twin pre-execution control logic, and the virtual verification sandbox unit constructs digital twin pre-execution control logic. The physical actuator is activated after the error rate is ensured to be lower than a preset threshold value, the feedback optimization unit dynamically adjusts the function block selection weight according to the actual response time delay and the energy consumption deviation, and a high-precision and low-energy-consumption intelligent control scheme is provided for the reliability test of high-end products in the fields of aerospace, electronic components and the like.

The invention discloses a relay detection device, and belongs to the field of circuit switch testing, the relay detection device comprises a three-axis motion platform and a box body, the box body is internally provided with a detection cavity, a drop spraying test cavity and a plurality of immersion test cavities, the inner wall of the detection cavity is fixedly connected with a detection frame, and the outer surface of one side of the box body is fixedly connected with a detector connected with the detection frame; the inner wall of the dripping and spraying test cavity is connected with a plug-in jig, and the inner walls of the plurality of soaking test cavities are fixedly connected with a plurality of plug-in frames respectively; different chemical exposure conditions possibly encountered by the relay in practical application can be simulated, different exposure modes may cause different failure modes, weak links of the relay in various chemical environments can be more comprehensively revealed through the setting of the application, different types of tests can be performed on the same batch of samples, and the test efficiency is improved. And meanwhile, the equipment can realize automation of a test process, and manual intervention is reduced.

The invention provides a detachable slurry shield slurry film formation and maintenance test device and an intelligent evaluation method, and relates to the technical field of slurry film formation, the detachable slurry shield slurry film formation and maintenance test device comprises a one-dimensional permeation column assembly, the one-dimensional permeation column assembly comprises an upper top plate, an upper permeation column body, a detachable permeation column body, a lower permeation column body, a lower bottom plate and a pressure gauge; the pressurizing assembly is communicated with the pressurizing through hole of the upper top plate; the pore water pressure monitoring assembly is arranged in the one-dimensional permeation column assembly; a filtrate collection assembly; a detachable permeation column placing ring is arranged in a test box body of the pressure maintaining observation assembly; and the information processing assembly is electrically connected with the pore water pressure monitoring assembly and the weighing mechanism. According to the invention, the test efficiency is improved, and meanwhile, the mud film forming process and the plugging effect are accurately evaluated.

The invention relates to an environmental test box for realizing high and low temperature rapid alternating circulation, which is mainly applied to the technical field of environmental test equipment. The test box is provided with a high-temperature chamber and a low-temperature chamber which are independent from each other, a thermal insulation layer is arranged between the two chambers, and the test box can respectively keep constant temperature environments at the highest temperature of + 75 DEG C and the lowest temperature of-50 DEG C; during a test, a sample is placed in the test bed, and the rotating shaft structure driven by the motor periodically rotates in a reciprocating manner or rotates in the same direction among different temperature zones, so that high-low temperature rapid alternating circulation is realized. The operation mode of the motor is controlled through the control system so as to simulate the accelerated aging process of the component in the temperature rapid alternating environment. According to the test box, through the design of the control system, the forced convection fan and the middle thermal insulation layer, it is guaranteed that the temperature switching process is rapid, uniform and stable. Compared with the prior art, high and low temperature circulation can be completed without overall heating and cooling of the interior of the test box, and the test box has the advantages of being high in test efficiency, capable of remarkably improving the reliability and accuracy of the high and low temperature alternating circulation test of the sample and the like.

The invention discloses a device and a method for testing hydrogen isotope permeation parameters of a fusion reactor application material, and relates to a material testing technology in the field of hydrogen, and the device for testing the hydrogen isotope permeation parameters of the fusion reactor application material is characterized in that a membrane sample is mounted in a membrane testing cavity to divide the membrane testing cavity into a gas inlet sub-cavity and a permeation sub-cavity; the gas inlet tank is selectively communicated with the gas inlet sub-cavity so as to supply test gas, and the collecting tank is selectively communicated with the permeation sub-cavity so as to collect flowing-out gas; the vacuumizing structure is used for vacuumizing the air inlet sub-cavity and the permeation sub-cavity, and the heating structure is used for heating the air inlet sub-cavity and the permeation sub-cavity; the high-resolution mass spectrometer is selectively communicated with the permeation sub-cavity, and gas selectively flows into the high-resolution mass spectrometer. According to the device for testing the hydrogen isotope permeation parameters of the fusion reactor application material, the air pressure and the temperature in the two sub-cavities can be controlled respectively, so that the hydrogen isotope permeation parameters of the material can be accurately measured, the accuracy is high, and the data resolution is excellent.

The utility model discloses an X-ray tube verification device, which is used for testing a to-be-tested anode target disc and a to-be-tested cathode head and specifically comprises a tube shell, an anode rotating shaft, an anode bearing, a driving coil, a cathode mounting seat and a vacuum device, a testing cavity is formed in the tube shell, and the to-be-tested anode target disc and the to-be-tested cathode head are both arranged in the tube shell; the anode target disc to be detected is detachably connected with the anode rotating shaft; the anode bearing is used for supporting the anode rotating shaft; the driving coil can generate a magnetic field, and the anode rotating shaft rotates under the action of the magnetic field and drives the to-be-detected anode target disc to rotate synchronously. The cathode head to be detected is detachably connected with the cathode mounting seat; and the vacuum device is connected with the tube shell and is used for vacuumizing the test cavity. The device can be repeatedly used and test the performance parameters of the cathode head and the anode target disc, so that the material cost is reduced, and the development period of the X-ray tube is shortened.

The invention particularly discloses a fractured rock mass grouting three-dimensional visualization test device and method, and relates to the technical field of rock mass engineering. The device comprises a test box body, a liquid inlet and outlet system, a monitoring system and a dynamic water environment simulation assembly, the test box body is made of a transparent acrylic material and is composed of an upper cover plate, a lower cover plate, a front cover plate, a rear cover plate, a baffle and two side cover plates, and a core experiment module is arranged in the test box body; the liquid inlet and outlet system is sequentially connected with the liquid holding device, the peristaltic pump, the valve, the Doppler flow velocity sensor and the test box body through rubber pipes; the monitoring system integrates an image collection unit and a data monitoring unit, an industrial-grade 3D camera and a binocular camera achieve visualization of the displacement process, and a fiber bragg grating pressure sensor synchronously collects fracture pressure data and transmits the fracture pressure data to a computer through a multifunctional data collection module. The device can be used for observing the displacement process of the slurry in the three-dimensional fracture in real time, synchronously monitoring key parameters, adapting to complex test working conditions and providing reliable support for grouting law research.

The utility model belongs to the technical field of test boxes, and particularly relates to a high-low temperature test box with uniform heating. Comprising test cavities which are arranged in a test box at intervals left and right; a placement net plate is embedded in the bottom of the test cavity; the fans are arranged below the placing net plate in a bilateral symmetry manner; the air inlet end of the fan is communicated with the test cavity through the placing screen plate, and the air outlet end of the fan is communicated with the air duct cavity; the air duct cavities are distributed on the left side wall and the right side wall of the test cavity in a bilateral symmetry manner; a spoiler is vertically and obliquely arranged in the air duct cavity, and an air distribution plate is arranged at the air return end of the air duct cavity. According to the utility model, through the arrangement of the spoiler and the air distribution plate in the air duct cavity, high and low temperature airflow with uniform airflow distribution can be provided for the interior of the test cavity, so that the temperature rise rates of different areas are consistent, and the uniform heating effect during product testing is further improved.

The invention discloses a multi-parameter high-precision automatic test method and system for a voltage reference source, and the method comprises the following steps: selecting a test scheme according to the characteristics of a tested voltage reference source device, and carrying out the testing of starting time, initial precision, temperature coefficient, linear regulation rate and long-term stability; the automatic test system controls the adjustable DC voltage source to adjust the input voltage of the tested voltage reference source device according to the selected test scheme, and controls the high and low temperature test box to adjust the working environment temperature of the tested voltage reference source device; the automatic test system reads voltage data collected by the eight-bit and half-digit meter, and analyzes, processes, classifies and stores the voltage data according to a test scheme. The method is used for overcoming the defects of insufficient precision, poor synchronism and tedious process in the traditional test, and provides a reliable technical means for research, development, verification and mass production screening of the high-precision voltage reference source device.

The invention belongs to the technical field of surface collapse group simulation, and discloses a split mounting type surface collapse group simulation experiment system. The system comprises a supporting steel frame, a rainfall simulator, a split mounting type surface collapse model test box, a water level control box, an overflow device, a split mounting type karst pipeline, a split mounting type karst water cavity simulation box, a water supply box, a peristaltic pump and various monitoring devices. Through the split mounting type structural design, the number of collapse points, the distance, the cavity shape, the karst pipeline connectivity, the underground water level, the rainfall intensity and other key parameters can be flexibly adjusted, and multi-working-condition simulation of a surface collapse group is achieved; meanwhile, through cooperative work of various monitoring devices such as a laser displacement sensor and a pore water pressure sensor, multi-physical-quantity data in the collapse process are collected in real time. According to the invention, the problems of lack of surface collapse group simulation capability and poor parameter adjustability in the prior art are solved, and experimental support can be provided for research and prediction of the development mechanism of the surface collapse group.

The invention belongs to the technical field of fatigue life acceleration test equipment, and particularly relates to an acceleration test device and method for the fatigue life of a rubber corrugated pipe limiting structure, the acceleration test device comprises a base and a heat insulation test box, the bottom end of the heat insulation test box is fixedly connected with the upper surface of the base, and two fixing through holes are formed in the outer wall of one side of the heat insulation test box. The device has multiple environment simulation functions, constructs a composite test environment close to the actual working condition, reflects the influence of different environments on the fatigue life of the limiting structure, improves the representativeness of the fatigue life test result of the rubber corrugated pipe limiting structure, realizes automatic failure judgment through resistance real-time monitoring, does not need manual intervention, and improves the test efficiency. The test convenience is improved, the accuracy of the fatigue life test result of the rubber corrugated pipe limiting structure is further improved, the double-sample synchronous test is realized, the time consumption of the multi-sample test is greatly shortened, and the detection efficiency of the fatigue test is remarkably improved.

The utility model discloses a comprehensive test box which comprises a foundation, a downwards-sunken foundation pit is arranged in the foundation, a concrete bearing base body is poured in the foundation pit, and a first buffer layer, a framework layer and a second buffer layer are arranged between the concrete bearing base body and the foundation pit. The first buffer layer, the framework layer and the second buffer layer are all of a cylindrical structure and wrap the circumferential direction and the bottom of the concrete bearing base body, and the framework layer is provided with a supporting part extending upwards in the vertical direction to form a foundation pit; the vibration table is fixedly mounted at the upper end of the concrete bearing base body through a metal base; the bottom of the test box body is provided with a butt joint window, and the butt joint window is fixedly connected to the supporting part in a sealed mode. The utility model has the beneficial effect of solving the technical problem that the connection sealing difficulty of the large-scale vibration table and the box body is large.

The invention discloses a carbon fiber composite material cable core long-term performance detection device, and relates to the field of cable performance tests.The carbon fiber composite material cable core long-term performance detection device comprises a test box, a test cavity is formed in the test box, a bearing unit is arranged on the inner wall of the test cavity, a test piece is borne on the bearing unit, and an electric heating piece and a temperature and humidity sensor are arranged on the inner wall of the test cavity; and a controller is arranged on the test box. According to the long-term performance detection device for the carbon fiber composite material cable core, through cooperative use of the sand wind simulation unit and the moisture simulation unit, single environment simulation and complex environment simulation can be performed according to needs in the aging test process of the carbon fiber composite material cable; therefore, the aging test simulation data of the carbon fiber composite cable is more comprehensive.

Compositions, testing chambers and methods for testing a fuel sample for microbial contamination (including fuels treated with a biocide) are provided, which comprise: a quantity of hydrocarbon fuel; a microbial contamination wherein the microbial contamination further comprises nucleic acid in the form of both DNA, RNA or a combination thereof, and an analyzing solution; wherein the analyzing solution comprises at least six (6) primer pairs for amplification of at least one target locus, wherein at least one primer of each pair of primers is labeled with a fluorescent dye and wherein at least one of the primer pair binds to the nucleic acid of the microbial contamination.

This application discloses an experimental apparatus and method for measuring the icebreaking load of a submarine surfacing. The experimental apparatus includes a test chamber, an ice block clamp, a moving component, a lifting component, an angle adjustment component, and an observation component. The ice block clamp, moving component, lifting component, and angle adjustment component are all housed inside the test chamber. The ice block clamp is used to fix the ice block; the moving component drives the submarine model to move horizontally; the lifting component drives the submarine model to move vertically; and the angle adjustment component adjusts the pitch angle of the submarine model. The observation component records the forces acting on the submarine model and its surfacing attitude. This experimental apparatus can adjust the position and attitude of the submarine model through the moving component, lifting component, and angle adjustment component, thereby simulating different icebreaking conditions; and records the icebreaking process of the submarine model using force sensors and cameras. This application relates to the field of submarine icebreaking test research.

The invention relates to the technical field of glass detection, in particular to a salt spray test device for optical glass performance detection and a test method of the salt spray test device. According to the technical scheme, a plurality of placement frames distributed at equal intervals are installed in a test box body, each placement frame comprises a rotatable frame body, air guide plates are arranged on the two sides of the test box body, a water absorption plate is arranged on the top face of a cover body, arc-shaped flow guide plates are installed at the corners of the cover body in a sliding mode, and the arc-shaped flow guide plates and the water absorption plates are arranged in an attached mode; a pushing piece is arranged on the arc-shaped flow guide plate, and a water diversion piece is arranged in the water absorption plate. The air deflectors and the windward groove bodies are installed on the two sides of the test box body, air is introduced, the guiding and drainage effects on salt mist are formed, rapid diffusion of the salt mist is guaranteed, in addition, when the frame body rotates, the air deflectors incline, and therefore the salt mist can be rapidly dispersed. Therefore, the changed direction can still guide the salt mist airflow to flow towards the optical glass experiment sheet in a path.

The utility model relates to a rain test box convenient to maintain, which comprises a test box and a test bench fixedly arranged at the bottom of the inner cavity of the test box, a spray head assembly is arranged in the test box, the spray head assembly comprises rotating shafts rotationally arranged at the left side and the right side of the inner cavity of the test box, and a semicircular pipe is fixedly arranged between the two rotating shafts. And a plurality of external thread connecting pipes penetrating into the semicircular pipe are fixedly mounted at the bottom of the semicircular pipe. According to the rain test box convenient to maintain, after a product is placed at the top of the test bed, a water pump sucks water through an extraction pipe, the water enters a filter box through a drainage pipe and is purified by a filter assembly, and the water flows into a semicircular pipe through a hard pipe and a folding pipe, is sprayed out from a nozzle of an external thread connecting pipe and is concentrated at the top of the test bed for a waterproof test; the driving unit drives the semicircular pipe to rotate, multi-directional spraying of the product is achieved, the nozzle blocking risk is reduced through the filtering assembly, and the nozzle can be easily rotated, detached and cleaned when blocked.

The utility model relates to the technical field of power battery testing, in particular to a battery integration testing system. Comprising an upper computer and a battery integration test cabinet. The battery integration test cabinet comprises a cabinet body, a temperature adjusting device, an expansive force acquisition device, an overload test device and a middle computer. An equipment chamber and a plurality of test chambers are formed in the cabinet body, and the temperature adjusting equipment, the expansive force collecting equipment and the overload test equipment are all installed in the equipment chamber; the upper computer is in communication connection with the middle computer, and the middle computer is in communication connection with the temperature adjusting device, the expansive force collecting device and the overload testing device. According to the utility model, the battery testing efficiency is improved.

The utility model relates to the field of energy storage converter testing, and discloses a temperature change adaptability testing device of an energy storage converter, which comprises a box door, the box door is rotatably connected to the front side of the outer wall of a testing box through a hinge, a heat conducting plate is fixed inside the testing box, a heating sheet is fixed on the bottom surface of the heat conducting plate, and the heating sheet is fixed on the bottom surface of the testing box. Air heaters are fixed to the left side and the right side of the outer wall of the test box respectively, air supply pipes are fixedly communicated between the two air heaters and the test box respectively, and flow guide boxes are detachably arranged on the left side and the right side of the inner wall of the test box respectively; arc-shaped flow guide plates are fixed to the rear side of the outer wall of the flow guide box on the left side and the front side of the outer wall of the flow guide box on the right side correspondingly. According to the utility model, through cooperative use of the heat conduction plate, the heating sheet, the air heater, the air supply pipe, the flow guide box and the arc-shaped flow guide plate, heat in the test box can circularly flow, the heat can be uniformly distributed at the periphery of the energy storage converter, and the accuracy and reliability of a test result are improved.

A sealing performance test tool (1), comprising a first housing (10) and a second housing (20), the first housing (10) having a first surface (11), the second housing (20) having a second surface (21), the second surface (21) and the first surface (11) being oppositely arranged, and a first gap (50) being formed between the second surface (21) and the first surface (11); the first housing (10) is detachably connected to the second housing (20), a test chamber (60) being defined by the first housing (10) and the second housing (20), and the first gap (50) being communicated with the test chamber (60). The sealing performance test tool (1) can detect the sealing performance between a skateboard chassis and an upper vehicle body of a vehicle. Further provided are a sealing performance test device and test method.

The invention discloses a hydrogen fuel cell test system and an application method, and the system comprises a test chamber which is internally provided with a plurality of test cavities for placing hydrogen fuel cells to be tested; the plurality of fuel cell acquisition wire harnesses are connected with the output end of the hydrogen fuel cell to be tested in each test cavity; the gas supply module is arranged at the periphery of the test chamber; the load is arranged at the periphery of the test chamber and is connected with each hydrogen fuel cell to be tested; the data acquisition module is used for acquiring environment information in each test cavity; the execution modules are arranged in the cavities and used for simulating the working environment; and an external control center. According to the testing system, through cooperative work of all the modules, the running states of the hydrogen fuel cell under different working conditions can be accurately simulated, and real-time detection and analysis of multiple parameters such as voltage, current, power, efficiency, gas flow, pressure and temperature of the fuel cell are achieved; and effective technical support can be provided for research and development, production and quality detection of the hydrogen fuel cell.

A gas tightness test device and test method for a medical instrument. The test device comprises a bottom plate (1), wherein a test chamber (2) is fixedly connected to the top of the inner cavity of the bottom plate (1), a limiting cylinder (3) is slidably connected to one side of the inner cavity of the test chamber (2), a marking ring (4) is slidably connected to the inner cavity of the test chamber (2) by means of a connecting block, and a motor (5) is fixedly connected to one side of the top of the bottom plate (1) by means of a fixing block; and a detection assembly is provided in the inner cavity of the limiting cylinder (3), the detection assembly comprises a movable sealing plug (6), the movable sealing plug (6) is fixedly connected to one end of the limiting cylinder (3), and the inner cavity of the movable sealing plug (6) is in communication with a gas supply pipe (7). The top block (22) is driven by the motor (5) to move to enable the movable sealing plug (6) to move toward the fixed sealing plug (33) to seal and limit the medical instrument, the piston rod (10) is pressed by the top block (22) to allow the gas inside the piston cylinder (8) to be compressed and enter the interior of the medical instrument, and the lead screw (24) rotates to move the marking ring (4) to mark the specific gas leak position.

The invention relates to the technical field of electrical detection, in particular to a multi-stress coupling environment reliability testing method for an electricity consumption information acquisition terminal. Comprising the steps of applying a combined stress field to an electricity utilization information acquisition terminal through an environment test box; acquiring power utilization information acquisition terminal parameters; the method comprises the following steps of: capturing metering pulse response and carrier communication interaction signals of an electricity utilization information acquisition terminal under the excitation of a combined stress field by utilizing an electrical sensor, extracting carrier signal-to-noise ratio data and metering reference drift data, and generating a reference voltage compensation coefficient and an impedance matching threshold value; projecting the carrier signal-to-noise ratio data to an impedance matching threshold value, and constructing a stress failure envelope surface according to a hardware overload protection threshold value; and mapping the communication quality distortion residual vector to a stress failure envelope surface, and calculating a reliability life prediction value. According to the method, a uniform excitation environment is constructed, and performance degradation of different dimensions is uniformly quantified into accumulative stress damage integral, so that the comprehensive anti-interference capability of the terminal in a multi-stress coupling environment can be truly reflected.

Provided are a test apparatus for dust-exposing breath of animals and a test method thereof. The test apparatus includes a constant temperature and humidity test box internally provided with a test chamber and provided with a dust inlet connected to a dust conveying device. The test chamber separated into a cleaning area and an activity area, and a blowing device is arranged in the cleaning area. The test method includes following steps: step S1: a test animal is placed in the activity area; step S2: dust is introduced and the blowing device is turned on; step S3: a temperature and a humidity are adjusted; step S4: the test animal is taken out to weigh and step S5: steps S1 to S4 are repeated, blood of the test animal is drawn after days for biochemical index assay, and a test cycle is completed.

The invention discloses a low-temperature humidity control method for an automobile environment test chamber, and relates to the technical field of monitoring analysis, and the method comprises the steps: collecting environment parameters in the chamber, obtaining a low-temperature environment data set, carrying out the environment state modeling of the automobile environment test chamber based on the low-temperature environment data set, and constructing a temperature and humidity distribution model. According to the temperature and humidity distribution model, performing moisture migration path analysis in a low-temperature environment to obtain a condensation risk distribution map, and performing dynamic humidity compensation calculation on the condensation risk distribution map in combination with preset test working condition parameters to generate a humidity regulation and control instruction set; executing the humidity regulation and control instruction set, carrying out zoned humidity control processing on the automobile environment test chamber, obtaining temperature and humidity feedback data corresponding to each zone of the automobile environment test chamber in real time, carrying out dynamic correction on the temperature and humidity distribution model, generating an environment regulation and control optimization model, and deploying the environment regulation and control optimization model to an automobile environment test chamber control terminal. The low-temperature humidity control device has the effect of improving the low-temperature humidity control efficiency of the automobile environment test chamber.

The invention provides an optical test function high and low temperature test box control system for electronic components, relates to the technical field of optical test, and provides an optical test function high and low temperature test box control system for electronic components through innovative technologies such as a double-target real-time sensing module, core temperature feed-forward compensation, window distortion active compensation, data validity discrimination and adaptive scheduling. The real junction temperature of an electronic component in a high and low temperature test box is highly consistent with the ambient temperature, the wavefront aberration of an observation window is counteracted in real time, abnormal data are automatically discriminated and remeasured, the temperature control precision is improved to + / -0.1 DEG C and the wavefront distortion residual error is reduced to lambda / 20 through dynamic temperature point selection based on gauss process regression and thermal inertia model game, and the temperature control precision is improved to + / -0.1 DEG C and the thermal inertia model game. The test period is shortened by more than 30%, the data misjudgment rate is lower than 1%, and the test precision, fidelity and efficiency are remarkably improved.

The invention discloses a cable laying pulley load performance test device, and belongs to the technical field of pulley performance test. The sliding rails are symmetrically arranged, the placement platform and the bottom baffle are in sliding fit, the detection assembly is located above the placement platform, the placement platform is used for bearing a tackle, the bottom baffle is used for auxiliary supporting, and the detection assembly is used for applying a vertical load. According to the pulley load performance test device for cable laying, by adjusting the relative positions of the placement platform and the bottom baffle plate on the slide rail, supporting and fixing spaces of cable pulleys with different sizes and structural forms can be flexibly adapted; the special-shaped tackle has the advantages that the special-shaped tackle is matched with the lockable sliding block and the self-centering structure, so that the technical problems that the special-shaped tackle is difficult to fix and the loading center deviates are solved, the lateral displacement or overturning of the tackle when the tackle is pressed is effectively limited, and the stability and safety of load performance detection and the accuracy of data are improved.