421 results about "Test chamber" patented technology

1. Name of the product in this design: Quick Clip (JQ503Z). 2. Application of this design: Quick-release handles with locking function for test chambers, ovens, drying ovens, constant temperature chambers, luminescence equipment, etc. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The utility model discloses a kind of high-purity germanium detector vacuum life measuring device, including vacuum generation module and detection component, detection component is by first detection module and second detection module intercommunication composition, vacuum generation module and detection component intercommunication;First detection module includes first vacuum angle valve, vacuum leak and release gas test chamber and first vacuum gauge;Second detection module includes second vacuum angle valve, getter test chamber, getter sample chamber, second vacuum gauge, fine adjustment valve and high-purity test gas tank;The high-purity germanium detector vacuum life measuring device of this is vacuumized to detection component by vacuum generation module, subsequently detects the leak and release gas amount of high-purity germanium detector by first detection module, and then detects the getter gas suction capacity by second detection module, i. e. The vacuum life of high-purity germanium detector can be detected and calculated;The device can effectively detect the vacuum performance of high-purity germanium detector, provide support for the maintenance of high-purity germanium detector, ensure its detection accuracy.

This invention provides a constant temperature and pressure control method and a high and low temperature low pressure test chamber. Through high-precision sensor array multi-source data acquisition, signal filtering and feature extraction, combined with improved Granger causality test and coupling spectrum construction, the main propagation path and propagation characteristics of various disturbances are identified. By using sliding window online optimization and dynamic weight matrix, the disturbance suppression mechanism is embedded in the PID loop to achieve multi-channel weighted compensation of proportional, integral and derivative components. This invention can accurately identify and compensate for external disturbances of different paths, time sequences and frequency bands in real time, improve the control accuracy and anti-interference ability of the system, and ensure the stability and robustness of the test chamber operation.

An apparatus for testing rings cut from pipes, comprising: a plurality of test chamber sections which, when placed together, define a test chamber for receiving the ring to be tested, the test chamber sections comprising at least a first test chamber section defining a first inner face of the test chamber and a second test chamber section defining an opposed second inner face of the test chamber, the first and second inner faces defining annuli arranged to contain the ring to isolate the inside of the ring from the outside; means for clamping the test chamber sections together to form the chamber; a fluid inlet port in one of the chamber sections to allow a pressurized fluid to be admitted to the chamber outside the ring when received in the chamber; and one or more sensors for measuring strain and deformation of the ring and fluid pressure.

The utility model relates to test box technical field discloses a test frame and test box. Test frame sets up in the box body of test box, and test frame includes bracket and grating disc, and bracket includes crossbeam and guide portion, and crossbeam fixedly connects in the left and right sides in the box body and is used for supporting the edge of grating disc, and guide portion is fixedly connected on the crossbeam, and the guide portion is equipped with guide inclined plane, and grating disc can fall into the preset position of crossbeam along guide inclined plane. The utility model provides test frame, and when placing grating disc, through the guiding effect of guide portion, can place grating disc on the correct position of crossbeam of forklift quickly and accurately, improves operation efficiency.

The utility model discloses an automatic high temperature ageing test box relates to test equipment production technical field, including the box, the tray of sliding connection in the box inside, drive mechanism and heating unit, and the test cabin is seted up in the box inside, and the through groove is seted up on the box outer wall, and the through groove is linked together with the test cabin, and drive mechanism sets up in the box inside, and drive mechanism output is connected with the tray, and heating unit sets up in the test cabin, and the tray is kept sliding in the test cabin through drive mechanism drive, and moves to the outside of the box through the through groove. The utility model provides an automatic high temperature ageing test box, and the test cabin in the box inside can be heated through heating unit to simulate high temperature environment, and the sample of being tested can be supported through the tray, and the tray can be kept sliding in the test cabin through drive mechanism drive, and then moves to the outside of the box through the through groove, can conveniently check the sample ageing state of test personnel at any time, improves test efficiency.

This invention discloses a combined shear-resistivity testing device and method for soil-rock mixed fillers, belonging to the field of geotechnical engineering testing technology. It addresses the shortcomings of existing combined testing methods, such as unstable contact resistance, fluctuating electrical signals, and asynchronous data. The device includes a direct shear test, resistivity test, and data acquisition and control system. The shear test chamber has a multi-layered composite structure integrated electrode embedded in its inner wall, coupled with an array of spring needles, and features a stress-driven electrical connection and hardware synchronous triggering structure. The method completes the test through steps including sample preparation, system initialization, stress-driven electrical connection establishment, and synchronous triggering of the combined test. This invention achieves synchronous and accurate acquisition of shear mechanics and resistivity data, enabling real-time non-destructive characterization of the internal structural damage evolution of the sample, significantly improving testing accuracy and stability, and providing reliable technical support for the mechanical research and engineering applications of soil-rock mixed fillers.

The application relates to the technical field of coating testing, and particularly discloses a high-temperature seawater MAO film hydrophilicity and corrosion resistance testing equipment, which comprises two tracks and a control cabinet, a gantry is movably arranged on the two tracks, and an immersion corrosion test box, a sample drying box and a sample cleaning box are arranged in front of and behind the two tracks in parallel; a screw rod elevator is arranged at the upper end of the gantry, a lifting strip is connected to the lower end of the screw rod elevator, a plurality of through holes are arranged on the lifting strip at intervals left and right, a vertical rod is arranged in each through hole in a penetrating mode, and a sample clamp is connected to the lower end of the vertical rod; the testing equipment realizes automatic corrosion resistance testing of MAO film coating samples under different high-temperature seawaters, sample cleaning, sample drying, sample weighing and recording and other steps, has high automation integration, realizes long-term full-process unmanned automatic operation, realizes online direct measurement and weighing of the samples, and makes the whole measurement process fast, convenient and high in measurement precision.

The present application provides a test machine, which comprises a test device, a conveying device, a feeding device, a collecting device, a moving device and a central control device. A plurality of test chambers of the test device are configured with testers for testing electronic components. A moving frame of the conveying device can carry the feeding device, the collecting device and the moving device to move synchronously to one side of the test device along a conveying path. The moving device has a mover which can move independently in a plurality of directions to facilitate rapid movement of the electronic components to be tested or tested among the feeding device, the collecting device and the test device. Thus, the moving distance of the feeding and collecting devices is effectively reduced, and the moving device is lightweight and can move rapidly to pick and place the components, thereby improving the test capacity.

The utility model discloses an aero-engine high altitude test bed, high altitude test bed includes high altitude test chamber, cooling cooling unit, first heat exchange unit, second heat exchange unit, mixes and mixes pressure stabilizing unit, oxygen supply unit, air compressor unit, drying unit, heating unit, refrigeration unit, air extractor unit, oxygen concentration detection unit, pressure detection unit, flow detection unit and each valve. The utility model discloses the original air supply air compressor unit and air extractor air compressor combination is a set of air compressor unit, and the semi -open of the air -exhausted entrance high altitude test chamber of the air -exhausted of the original from the atmosphere into high altitude test chamber, and the air -exhausted of the air -exhausted entrance high altitude test chamber of the outlet high altitude test chamber again, greatly reduced the construction cost and energy consumption of high altitude test bed, reduced the peak and valley wave difference of operation / non - operation stage energy consumption, thereby reduced the impact to regional power grid.

This utility model relates to a safety test chamber for fluid contamination testing, comprising a test chamber body and a test chamber door. The test chamber door is installed on the outside of the test chamber body, and a turntable is rotatably installed inside the test chamber body. A first electric push rod is installed on the bottom side of the turntable, and a U-shaped seat is installed on the telescopic end of the first electric push rod. The translation of the sealing plate is achieved by the operation of a second electric push rod. When the vent hole and the connecting vent hole are connected, the test piece is placed on the limiting rod. The limiting rod drives the piston to move in the inner cavity, compressing the spring and realizing the extension and retraction adjustment of the limiting rod. Then, the translation sealing plate seals the connecting vent hole. The air pressure in each inner cavity is constant. The fixation of the limiting rod can limit and fix test pieces of any size and different sides of the test pieces, ensuring that the fluid on the test pieces can be sprayed from all directions.

The utility model discloses a kind of salt fog testing machine of high sealing property, it is related to field, including testing machine box, connecting hinge, sealing cover and control box, the connecting hinge is fixedly installed in the rear end of testing machine box, the sealing cover is movably installed in the outside of connecting hinge, the control box is fixedly installed in one side of testing machine box, the top of sealing cover is fixedly installed with agitating mechanism.The utility model has realized the dynamic, even spraying of salt fog in test box space, cooperate agitating mechanism and continuously rotate in the middle of two salt fog nozzles, effectively scatter, agitate the salt fog of spraying, prevent salt fog local gathering or settling too fast, further ensure the high uniformity of salt fog concentration and distribution in entire test space, significantly improve the coverage uniformity and result reliability of salt fog test, make the corrosion environment that test sample each part suffers more consistent, test data more accurate, so that salt fog testing machine promotes salt fog distribution uniformity and test accuracy.

The invention discloses a hydrogen leakage diffusion non-uniform concentration gradient gas cloud minimum ignition energy test and blast-to-pedigree experiment device and an experiment method thereof. Comprising a visual semi-open test chamber, a premixing and flow regulation and control system, a gas temperature regulation and control system, a flow field wind speed regulation and control system, an environment water mist regulation and control system, an adjustable high-pressure ignition system, a non-uniform hydrogen injection system, a data acquisition system, a program control system and a time sequence synchronous controller. According to the hydrogen leakage diffusion non-uniform concentration gradient gas cloud minimum ignition energy test and blast-to-pedigree experiment device, a plurality of gas cloud forms such as local enrichment or concentration gradient advancing along with time can be constructed through cooperation of the position-adjustable non-uniform hydrogen injection system and the premixing and flow regulation and control system, and the injection position and key parameters can be reproduced; and moreover, dynamic monitoring of concentration distribution can be realized through a data acquisition system, and a researcher is helped to establish a corresponding relation of the gas cloud concentration along with time and space changes.

This utility model discloses an aging test chamber for testing the corrosion resistance of temperature sensors, relating to the field of temperature sensor testing technology. The utility model includes a base frame; a test chamber is fixedly connected to the top of the base frame, and the test chamber contains a mounting bracket, a cooler, and a spraying assembly; the test chamber includes a box body fixedly connected to the top of the base frame, with a door rotatably connected to the front of the box body; the mounting bracket includes a drive shaft, with a mounting post (threaded at the top) detachably fixed to the bottom of the drive shaft; multiple mounting seats are fixedly connected to the outside of the mounting post; a rotating shaft is rotatably connected inside the mounting seat; a gear and a rotating seat are fixedly connected to the outside of the rotating shaft; a sliding seat is movably sleeved on the outside of the mounting post; and multiple racks slidably connected to the bottom of the sliding seat are fixedly connected to the bottom of the sliding seat, which are slidably connected to the interior of the corresponding mounting seat. This utility model improves the accuracy of test results by rotating the sensor under test at multiple angles, allowing the sensor to be tested from all directions.

A method of controlling nitrogen and oxygen content of synthetic air is disclosed. The method may include decomposing nitrous in a decomposition system by expanding liquid nitrous into gaseous nitrous in a decomposition chamber. A gaseous mixture of oxygen gas (O2), transient oxygen atoms (O), nitrogen gas (N2), and / or transient nitrogen atoms (N) may be obtained from the decomposition. The gaseous mixture may be provided to a test chamber that is at least initially devoid of receiving an additional nitrogen gas (N2) from either an N2 supply or a reservoir of air and / or at least initially devoid of receiving additional oxygen gas (O2) from the reservoir of air. The test material may be exposed to the gaseous mixture in the test chamber. A response of the test material to the gaseous mixture may be determined.

This utility model relates to the field of high and low temperature test chamber technology, specifically a high and low temperature test chamber with uniform air supply, comprising a main chamber, an air outlet assembly, and a material plate assembly. The main chamber has a door on the front with an observation window. A control terminal is located on one side of the main chamber near the door. The air outlet assembly is located inside the upper part of the main chamber, and the material plate assembly is located inside the main chamber. The air outlet assembly includes an air outlet pipe. A main gear is fixed to one side of the air outlet pipe, and a rack meshes with the rear end of the main gear. A semi-gear ring is fixed to the rear end of the rack, and a semi-gear meshes with the inner side of the semi-gear ring. A motor is connected to the rear end of the semi-gear. This allows for the control of the swinging air outlet inside the main chamber, which improves the uniformity of air supply within the chamber, effectively eliminates temperature deviations caused by corner eddies or airflow blind spots, shortens the temperature stabilization time, reduces energy consumption, and improves the accuracy and efficiency of test results.

The application discloses a temperature control method and device suitable for chip aging test, equipment and medium, and belongs to the technical field of temperature control. The method comprises the following steps: acquiring a current box temperature and a current shell temperature of a chip, performing real-time detection on the gas in the test box based on a preset modulation signal, outputting current spectral feature data and a current gas temperature of the gas, and calibrating the temperature based on the same, so as to obtain an environmental temperature after calibration which is closer to a real working condition; correcting a heating power adjustment parameter based on the environmental temperature after calibration, and jointly determining a power adjustment amount of a heating unit based on the heating power adjustment parameter after correction, the spectral feature of the gas, an environmental temperature deviation and a chip shell temperature deviation, so that an accurate temperature control process is realized. Through detection on the spectral feature of the gas and the gas temperature and coupling analysis on multiple source temperatures, the application can effectively improve the accuracy and stability of temperature control in the chip aging test.

The present application relates to the technical field of power distribution equipment, and particularly relates to a ring main unit gas chamber temperature and humidity test method and device based on dynamic frost layer regulation. The method tests the ring main unit gas chamber at multiple temperature points in a high-low temperature test chamber, and dynamically regulates the thickness of the frost layer formed by a mirror surface humidity detection unit during dew point measurement to achieve rapid and accurate adjustment of the humidity in the gas chamber, thereby avoiding the traditional inefficient gas replacement process, allowing the entire humidity adjustment process to be completed within 10 minutes, greatly shortening the multi-working-condition temperature and humidity test cycle. The control terminal automatically coordinates the high-low temperature test chamber, electromagnetic valve, pump set and detection unit to achieve full closed-loop operation from temperature regulation, humidity measurement to frost layer regulation, supports 24-hour continuous operation, avoids operation errors and data fluctuations caused by manual intervention, and significantly improves the reliability and repeatability of test data.

The utility model discloses a kind of formaldehyde environmental chamber equipment with background concentration self-checking and automatic cleaning function, the formaldehyde environmental chamber equipment includes cabin, the sample holder for placing sample is installed in the cabin, the temperature and humidity sensor for real-time monitoring environmental parameter in cabin and the air circulation device for maintaining air flow uniformity in cabin are used, the formaldehyde environmental chamber equipment also includes sampling detection module, spray cleaning module and main control system. The formaldehyde environmental chamber equipment can effectively replace the conventional means of existing dependence on artificial judgment and operation, realize the rapid judgment and cleaning response of test chamber state, greatly shorten test preparation time, reduce artificial operation frequency and detection time cost.

The present application belongs to the field of environmental test technology, and discloses a grid disc supporting assembly and an environmental test box. The grid disc supporting assembly comprises a support and a slide rail. Two supports are arranged on two opposite inner walls of the environmental test box. A plurality of variable-diameter mounting holes are arranged on the support in the vertical direction. The variable-diameter mounting hole comprises a first hole and a second hole which are communicated. At least two slide rails are connected to the two supports respectively. A variable-diameter mounting head is arranged on the slide rail. The variable-diameter mounting head comprises a mounting cap and a mounting neck. The variable-diameter mounting head is selectively mounted with the variable-diameter mounting hole to adjust the mounting height of the slide rail. The mounting and dismounting are convenient and fast. The two ends of the grid disc are supported on the top end faces of the two slide rails. In the present application, the grid disc is supported by surface contact with the slide rail, which facilitates the improvement of the support stability of the grid disc. The grid disc does not need to be processed with a clamping groove or a clamping convex, which ensures the strength of the grid disc and avoids deformation. The height position of the grid disc is realized by switching the slide rail on the support, which greatly improves the test safety and efficiency.

The utility model relates to anti -fall detection buffering positioning technical field, specifically disclose a kind of display anti -fall performance detection buffering positioning mechanism, including locating seat and test box, locating seat is located in the inside of test box, the side of test box is equipped with safety door, the inside of test box far from safety door one side is equipped with lifting linear module, the side of lifting linear module close to safety door is equipped with lifting seat, lifting seat is equipped with displacement sensor, the side of lifting seat close to safety door is equipped with electromagnetic seat, locating seat far from safety door one side is equipped with magnetic attraction seat, locating seat is connected with lifting seat by magnetic attraction seat and electromagnetic seat cooperation, the inside of test box of lifting linear module close to safety door one side is equipped with directional slide bar. The utility model is provided with a series of structures, anti -fall detection vacuum adsorption positioning angle adjustable, satisfy the positioning of different angle display anti -fall performance detection, positioning angle adjustment is convenient and accurate, reliable, and locating seat multiple structure buffering is good.

This utility model discloses a multifunctional PLC test chamber, belonging to the field of PLC testing technology. The device includes a chamber body, with a display screen fixedly installed in the center of one side of the chamber body. A circuit control assembly is installed inside the chamber body. Several testing connectors are snapped onto the chamber body below the display screen. A limiting assembly for limiting the PLC is slidably connected to the bottom of the chamber body. To meet various testing needs, this utility model includes a limiting assembly to stably limit the movement of PLC boards of different sizes and shapes. Specifically, lateral push plates on both sides are pushed towards the center of a support plate under the action of push springs. A push block slidably installed in the center of the support plate further pushes and limits the PLC board when it is placed on the support plate, thus meeting the testing needs of various PLC boards.

This application relates to a method and apparatus for determining the outgassing characteristics of internal materials in wafer-level vacuum-packaged devices. The method includes: with the original test sample placed in a temperature test chamber, adjusting the temperature of the test chamber to obtain a first quality factor of the original test sample at each test temperature; wherein the original test sample is a wafer-level vacuum-packaged microelectromechanical system (MEMS) device; with an open-hole test sample placed in a vacuum chamber at a target pressure, adjusting the temperature of the vacuum chamber to obtain a second quality factor of the open-hole test sample at each test temperature; and determining the outgassing characteristics of the internal materials of the original test sample based on the first quality factor of the original test sample at each test temperature and the second quality factor of the open-hole test sample at each test temperature. This method can accurately obtain the outgassing characteristics of internal materials in wafer-level vacuum-packaged devices.

The invention discloses an electromagnetic shielding device for simulating a climatic environment, which is characterized in that an electromagnetic shielding structure, a temperature adjusting module and a humidity adjusting module are integrated in the same shell to form a closed test cavity and are uniformly coordinated by a control system, so that the radio frequency conduction performance of wireless equipment in different temperature and humidity environments can be detected in real time. According to the structure, the tedious operation that in the prior art, testing needs to be carried out in a high-low temperature box and an electromagnetic shielding box in sequence is avoided, the testing efficiency is improved, interference to a testing result in the equipment transferring process is reduced, and continuity and accuracy of data are guaranteed; meanwhile, the control system supports automatic setting and switching of various test working conditions, can comprehensively evaluate the communication stability of the wireless equipment in a complex environment, is suitable for efficient testing of various communication terminals in research and development verification and production quality inspection links, and has the remarkable technical advantages of integrated test process, accurate result and intelligent operation.

The present application relates to the technical field of plate performance testing, and particularly relates to a kind of plate edge durability test method;It comprises the following steps: cutting plate sample into standard size test piece;Using thermal mechanical analyzer respectively test the linear expansion coefficient of test piece edge material and base material;The test piece after processing is placed in environmental test chamber and is subjected to cyclic test;Test piece is fixed on load testing device, and constant load is applied along the direction perpendicular to the edge interface of plate plane;Using flatness tester to measure the overall warping of test piece, compare with the warping data before testing, calculate the warping change, evaluate the actual effect of plate balanced laminating process on preventing warping after edge sealing;Using weighted scoring method to calculate the comprehensive score of edge durability;Realize that the long-term durability of plate edge sealing under complex working conditions can be comprehensively and accurately evaluated, and provide scientific and comprehensive technical support for edge sealing process optimization, material selection and structure design.

The utility model discloses a sealed environment test box, include: test box body, the beneficial effect of the utility model is: through having set up heat preservation ventilation tank, electric heating wire and three -way pipe, has realized the wind that enters heat preservation ventilation tank through electric heating wire and heats, and the wind of heating enters ventilation tank through three -way pipe, through a plurality of air inlet net frame and enter test box body, heat treatment is carried out to the elastic clamp of the connection between oil inlet pipe and connecting oil outlet pipe, and the cold -air supply structure can be blown into the cold -air to test box body, and the cold -resistant sealing effect of elastic clamp is handled, through having set up bidirectional screw rod, sliding block and fixed slide, has realized the output end of motor and drives bidirectional screw rod rotation, and the sliding block of outside symmetry is driven to move when bidirectional screw rod rotates, and fixed slide is driven to move through the sliding block, and fixed slide drives sealed observation door to slide at the one side of test box body, and the opening and closing adjustment of sealed observation door is handled conveniently.

The utility model discloses a carbonization reaction quantitative test box, the carbonization reaction quantitative test box includes reaction box body, flowmeter, temperature and humidity controller, humidifier, dehumidifier, heating device, refrigeration plant, weighing sensor and carbon dioxide gas controller, the carbonization reaction quantitative test box of above -mentioned adopts modularization design, and each system structure is simple and is convenient for maintenance, through setting temperature and humidity and carbon dioxide concentration monitoring and control device, reaches the effect that adopts weighing method and gas method to carbonization reaction process in carbon dioxide consumption carries out quantitative monitoring, can satisfy different test to the requirement of reaction condition, and through the communication interface of test box each device can realize the running condition in the test process monitoring, can ensure the stability of test condition.

The application discloses a dew point temperature control system of a light composite environment simulation test box, and belongs to the technical field of extreme climate light composite environment simulation test. In view of the problem that the existing light environment simulation test box cannot be compatible with low-temperature and high-temperature and high-humidity extreme climate environment simulation test due to condensation of light glass, the dew point temperature control system of the light composite environment simulation test box is automatically controlled by using light-transmitting double-layer glass devices and software, the temperature of the interlayer glass is automatically adjusted by the control system according to a test program, the temperature of the interlayer glass is always higher than the dew point temperature corresponding to the temperature and humidity in the test chamber, the condensation phenomenon of the light glass is fundamentally avoided, the composite light environment simulation test of the test box under the extreme climate of low temperature-50 DEG C, high temperature 125 DEG C and humidity 20%-95% is realized, the accuracy of test results is ensured, and the test standard requirements are met.