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181 results about "Environmental chamber" patented technology

An environmental chamber, also called a climatic chamber or climate chamber, is an enclosure used to test the effects of specified environmental conditions on biological items, industrial products, materials, and electronic devices and components.

In-situ micro-nano impact indentation testing instrument

The present invention relates to an in-situ micro-nano impact indentation testing instrument, falling within the technical field of material micromechanical testing. The instrument comprises a nitrogen generation module, an environmental chamber, a high / low temperature loading module, an “optical-infrared” in-situ monitoring module, an “electromagnetic-piezoelectric” coupling impact module, etc. After the nitrogen is introduced into the environmental chamber and the test area is determined by microscopic imaging, the “electromagnetic-piezoelectric” coupling impact module can drive an indenter to indent a specimen. An acoustic emission sensor embedded in the high / low temperature loading module can monitor the surface crack propagation of the specimen. The “optical-infrared” in-situ monitoring module can perform real-time high-speed optical imaging and infrared imaging on the impact indentation process. The present invention can perform micro-nano impact indentation testing on the material at high or low temperatures.
Owner:JILIN UNIVERSITY

Method and system for constructing volatile organic compound release behavior characterization

The invention discloses a construction method and system for volatile organic compound release behavior characterization, and belongs to the technical field of air analysis and risk assessment. According to the method, feature analysis is carried out based on multi-source information such as a molecular structure, a release carrier and environmental conditions, modeling is carried out on a release process by utilizing a mapping operator, and a three-dimensional representation vector V = [I, S, E] reflecting release intensity, environmental sensitivity and time evolution is constructed. The representation is output in a behavior vector or digital label mode, and unified quantitative benchmarking of different substances in a cross-scene mode is achieved. According to the method, depth characteristics such as molecular polarity and desorption activation energy are introduced, so that the dependence on long-period environmental chamber experiments is reduced, the generalization prediction capability on unknown pollutants is improved, the logic connection problem between a bottom-layer physical mechanism and an upper-layer intelligent management and control system is solved, and the reliability of the system is improved. And standardized and explainable behavior input is provided for prospective risk research and judgment.
Owner:BEIJING INST OF TECH

Building external window solar heat gain coefficient detection device and control method thereof

The invention provides a building external window solar heat gain coefficient detection device and a control method thereof. According to the device, a detection chamber is divided into an outdoor environment simulation chamber and a heat metering box environment chamber through a partition wall. And a test piece frame for arranging a tested piece is arranged on the partition wall body. A heat metering box, a cooling circulation system and a data acquisition device are arranged in the heat metering box environment chamber. The heat metering box is provided with an opening located at the test piece frame so as to receive simulation radiation of the outdoor environment simulation chamber penetrating through the tested piece. The detection work of the solar heat gain coefficient of the external window of the building is not influenced by natural conditions such as weather, and the test efficiency is improved. Furthermore, a channel flat pipe and a constant-temperature water bath device in the cooling circulation system are matched with each other, it is guaranteed that the temperature in the environment chamber of the heat metering box is kept stable, and the stability and accuracy of detection data are improved while the structure of the device is simplified.
Owner:BEIJING UNIV OF TECH

Textile continuous cool feeling test equipment based on thermal infrared imager

The invention discloses textile continuous cool feeling test equipment based on a thermal infrared imager. The textile continuous cool feeling test equipment comprises an environment chamber, a test chamber, a transmission assembly, a control simulation table and a protection cover, the environment chamber is used for simulating the external space environment of the clothes when the clothes are worn on a human body; the test chamber is used for simulating the environment of a human body when the clothes are worn on the human body; the transmission assembly is used for driving the environment chamber and the test chamber to move so as to realize clamping and loosening of the fabric; and the protective cover covers the environment chamber and the test chamber and is used for providing a closed test environment. Compared with the prior art, the real person skin and the settable external temperature and humidity environment are simulated, then the fabric temperature is detected in real time through the thermal infrared imager, and the capability that the fabric can really keep a continuous cool feeling is objectively detected and tested.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Truck wire harness aging test method realized based on simulation of severe working conditions

The invention relates to the technical field of wire harness aging test, in particular to a truck wire harness aging test method based on simulation of severe working conditions, which comprises the following steps of: 1, calibrating working condition mapping reference parameters, then detecting various parameters of a wire harness in sequence, and establishing a wire harness performance reference parameter library with reference values of the parameters; 2, placing the wire harness in an environmental chamber, and carrying out a 60-hour composite environment aging cycle test; 3, carrying out hierarchical failure determination after each cycle; 4, when at least one parameter reaches the failure standard, the aging life of the truck wire harness is converted according to the corresponding relation between the preset cycle index and the actual use time. According to the invention, severe working conditions can be accurately simulated: complex actual working conditions of a truck mining area and a construction site are comprehensively considered, and various environmental stresses are comprehensively simulated in an aging test. Compared with a traditional single or simply combined test environment, the performance change and potential problems of the wire harness in a real scene can be more effectively detected.
Owner:LEONI ELECTRICAL SYSTEMS (JINING) CO LTD

Full-automatic cement setting time tester

The invention relates to the technical field of cement determination, in particular to a full-automatic cement setting time determinator which comprises an environmental box, a box cover is arranged on the top of the environmental box, a test piece positioning system is arranged on a bottom plate of the environmental box, a determination system is fixedly connected to a box body, a humidifier is communicated with a side plate of the environmental box, and the upper portion of the box cover is communicated with a temperature control module. The test piece positioning system is provided with a rotating disc, a plurality of test molds are arranged in the circumferential direction of the rotating disc, each test mold is fixed through two test mold frames, one end of one test mold frame penetrates through the rotating support, one end of the other test mold frame is sleeved with a spring, and the test mold frames can rotate around the center axis of the reverse rotating shaft; and the initial coagulation needle and the final coagulation needle are fixedly connected to the orientation module. Through cooperative operation of the environment box, the test piece positioning system and the measuring system, full-process automation of cement setting time measuring is achieved, manual intervention errors are avoided, and the measuring precision and the measuring accuracy are remarkably improved.
Owner:SHANDONG LUDA TEST INSTR

Method suitable for environment bin heating test

The invention provides a method suitable for an environmental bin heating test, and belongs to the technical field of environmental bin heating test, the method comprises the steps: determining a temperature measurement position through a graph theory topology optimization sensor arrangement algorithm, constructing a temperature field graph, configuring a Beckfu controller to collect temperature data at high frequency, and carrying out sliding window statistical test processing; a high-power main heater and a low-power auxiliary heater are installed at the top and the bottom of the environment bin respectively to form a closed-loop circulation system, temperature control partitions are divided according to the temperature deviation value, and a fuzzy sliding mode variable structure control algorithm is adopted to calculate partition heater control instructions. A control instruction is input into the thermal field dynamic balance optimization model for global collaborative optimization, an optimal power distribution scheme is output, a variable-power staged heating strategy is executed to achieve rapid temperature rise and fine temperature adjustment, and the technical problem that the test precision is reduced due to uneven temperature field distribution in the environment bin heating test process is solved.
Owner:NANCAL ENERGY-SAVING TECHNOLOGY CO LTD

Early warning method and device for leakage of hydrogen fuel cell in environmental bin

The invention discloses an early warning method and device for leakage of a hydrogen fuel cell in an environment bin, and relates to the technical field of hydrogen fuel cells, and the method comprises the steps: obtaining the actual hydrogen flow, the output power, the efficiency under the current output power, and the hydrogen utilization rate of a vehicle-mounted hydrogen fuel cell system; calculating a theoretical hydrogen demand flow according to the output power, the efficiency under the current output power and the hydrogen utilization rate; calculating the difference ratio between the theoretical hydrogen demand flow and the actual hydrogen flow; when the difference value proportion is higher than a preset difference value proportion threshold value, an alarm is given. According to the method, when the environmental hydrogen concentration does not reach the detection condition of a traditional detection method, hydrogen leakage is judged through the difference value proportion, the sensitivity of hydrogen leakage detection is greatly enhanced, and early warning is made at the early stage of hydrogen fuel cell leakage, so that greater safety risks are avoided.
Owner:ZHONGAN ZHIYAN (WUHAN) TRANSPORTATION TECHNOLOGY CO LTD

Low-frequency fatigue tensile loading equipment in marine environment

The invention provides low-frequency fatigue tensile loading equipment in a marine environment, which comprises an environmental box system, the environmental box system comprises a test box, a circulating system and a temperature control system, a solution for simulating the marine environment is arranged in the test box, the circulating system is communicated with a solution area in the test box, and the temperature control system is used for controlling the temperature of the solution; the truss type loading equipment is arranged in the environment box system, the truss type loading equipment comprises an upper chord beam frame, a variable load structure is connected to the upper chord beam frame, lower chord clamping nodes are arranged on the lower portions of the two sides of the upper chord beam frame respectively, and a sample is clamped between the lower chord clamping nodes and located in a solution area in the test box. According to the invention, various acidic and alkaline marine environment working conditions can be simulated, and various corrosive solution environments can be simulated; environmental conditions such as dry-wet cycle and freeze-thaw cycle are simulated. The limitation that a traditional environment test box cannot apply variable loads is broken through. And a test condition closer to a service state is provided for a durability test.
Owner:WENZHOU UNIV OUJIANG COLLEGE +2

Process method for passivating and contacting auxiliary battery at component end

The invention relates to the technical field of solar photovoltaic modules, and particularly discloses a process method for passivating and contacting an auxiliary battery at a module end. The process method comprises the following steps: after battery pieces are subjected to series welding, lamination and packaging to form a battery assembly, the battery assembly is placed in an environment box for illumination, the temperature is set to be 50-75 DEG C, the irradiance is 1000-1500 Wh / m < 2 >, the forward current is 2-5 A, and illumination is carried out for 1-4 h. Under the conditions of high irradiance, medium temperature and low current, the battery piece adopting the LECO technology has a good internal defect repairing effect, contact between a metal electrode and silicon can be optimized again, the FF value and the Voc value of the battery assembly are improved, and therefore the power of the battery assembly is remarkably increased; and the contact resistance and passivation effect can be optimized at the component end in an auxiliary manner, so that the component power is improved, novel equipment does not need to be added on a production line, and the production efficiency is not influenced.
Owner:JOLYWOOD (TAIZHOU) SOLAR TECHNOLOGY CO LTD

Multi-chamber temperature control device and control method for environmental chamber

The invention discloses an environmental chamber multi-chamber temperature control device and method. The environmental chamber multi-chamber temperature control device comprises a placing frame, and T-shaped sliding grooves are formed in the front side and the rear side of the right side of the placing frame. By adopting the T-shaped sliding grooves and the T-shaped sliding strips between the placement frame and the environment cabin shells, flexible sliding installation and disassembly of the multiple environment cabin shells are achieved, the number and layout of the cabin bodies can be rapidly adjusted according to experiment requirements, and the use flexibility of the device is remarkably improved. An electric heating plate arranged in the temperature control cavity and a semiconductor chilling plate form a two-way temperature adjusting system which is matched with a rotating disc connecting rod mechanism driven by a motor to drive a stirring frame to slide back and forth in a reciprocating mode, heat-conducting media in the temperature control cavity can be effectively stirred, and local temperature gathering is avoided. The storage cavity forms an air internal circulation system through the air outlet pipe, the air inlet pipe, the conveying pipe and the built-in fan, so that air in the storage cavity flows, the environment temperature in the storage cavity is more uniform, and the device has the advantage of being accurate in temperature control.
Owner:ZHONGHANG MONITORING TECH RES INST CO LTD

Hydrogen-related high-altitude environmental chamber system and test method thereof

The invention relates to the technical field of hydrogen-related testing, and discloses a hydrogen-related high-altitude environmental chamber system and a testing method thereof. An air conditioning system; the fresh air system provides fresh air with different humidity for the interior of the environment chamber body; the exhaust suction system simulates high-altitude low air pressure in the cabin body of the environmental cabin; the safety system is used for monitoring the oxygen concentration of the environmental chamber body and monitoring the hydrogen concentration of the environmental chamber body at multiple points; and the control system is used for connecting and controlling the air conditioning system, the fresh air system and the exhaust suction system to simulate the high-altitude temperature, humidity and low-pressure pressure, and is also used for receiving the oxygen concentration and the hydrogen concentration in real time and giving an alarm when any gas concentration is abnormal. According to the hydrogen-related high-altitude environmental chamber system and the testing method thereof, the temperature, humidity and low air pressure of high altitude can be simulated, the concentration of hydrogen and oxygen can be monitored in real time, multi-point accurate monitoring is performed on hydrogen, and automatic and timely treatment is performed when the concentration of hydrogen and oxygen is abnormal.
Owner:ZHONGAN ZHIYAN (WUHAN) TRANSPORTATION TECHNOLOGY CO LTD

Rapid cooling environmental chamber for high-speed impact test of foreign matters on rail vehicle parts

This invention belongs to the field of high-speed impact testing of rail vehicle components, and discloses a rapid cooling environmental chamber for high-speed impact testing of rail vehicle components. The chamber includes a chamber body, with one side serving as the impactor inlet. The inner walls of the other sides of the chamber are lined with liquid nitrogen condenser pipes and environmental temperature and humidity sensors. The liquid nitrogen condenser pipes are connected to a self-pressurized liquid nitrogen tank via an external channel to facilitate the conduction and delivery of the cooling medium. The impactor inlet is movably connected to the chamber frame and features an adjustable sliding mechanism. The adjustable sliding mechanism has stretchable sections connected to its left and right sides, and a disposable low-strength sealing and heat-insulating film is installed on the mechanism. The impactor inlet is located within the area of ​​this disposable low-strength sealing and heat-insulating film. A fixture for fixing the test piece is provided on the inner wall of the chamber. A high-speed camera mounting interface is located on the inner wall of the chamber, and a rotating support is located at the bottom of the chamber. This environmental chamber can rapidly achieve a preset low-temperature environment and perform multi-angle impact tests.
Owner:CENT SOUTH UNIV

Environmental chamber for ice water impact test

An environmental chamber for an ice water impact test belongs to the field of test equipment and comprises a chamber body, a simulation chamber and an equipment chamber are arranged in the chamber body, a heating unit, a cooling unit and a pure water unit are arranged in the equipment chamber, a rotary supporting seat and a spray head are arranged in the simulation chamber, a refrigerating unit is further arranged in the equipment chamber, and the heating unit and the cooling unit are both communicated with the interior of the simulation chamber. The water purification unit comprises a heat preservation water tank, the heat preservation water tank is connected with a water purification machine through a first pipeline, and the heat preservation water tank is connected with the spraying head through a second pipeline; the refrigeration compressor is respectively connected with the first evaporator and the cooling unit through the refrigeration pipeline and the electric three-way valve, so that the environmental chamber has an ice water impact function, the availability of the environmental chamber is increased, the vacancy rate of equipment is reduced, a special ice water impact test box does not need to be additionally purchased, and the equipment purchase cost is saved.
Owner:JINAN AUTOMOBILE CHECKING & MEASURING CENT +1

Liquid cooling wire harness detection method and device, storage medium and electronic device

The application discloses a kind of liquid cooling wire harness detection method, device, storage medium and electronic device, it is related to vehicle technical field.Therein, the method comprises: according to test requirement determines test working condition;In test working condition, obtain first temperature, wherein, first temperature includes the temperature of liquid cooling wire harness, the temperature of environmental chamber and the temperature of electrical connection point, environmental chamber is used to isolate liquid cooling wire harness with external environment, and electrical connection point is the connecting point of environmental chamber and temperature sensor;In response to first temperature greater than or equal to temperature threshold value, adjust cooling parameter, wherein, cooling parameter is used to indicate the flow rate and water temperature of cooling loop;In the preset time period after adjusting cooling parameter, obtain second temperature;According to second temperature, liquid cooling wire harness is detected.The application solves the technical problem that related art tests liquid cooling wire harness by appearance inspection or electrical test, resulting in complex method, not easy to implement, low efficiency, low accuracy, low safety.
Owner:CHINA FAW CO LTD

Jacket type environmental chamber cooling device and cooling method thereof

The invention discloses a jacket type environmental chamber cooling device and a cooling method thereof.The jacket type environmental chamber cooling device comprises a chamber body, the chamber body sequentially comprises a refrigeration cavity, an air circulation cavity and a storage cavity from outside to inside, and semiconductor chilling plates are fixedly connected to the front sides and the rear sides of the two sides of the interior of the refrigeration cavity. The cabin body is designed to be of a multi-layer structure comprising the refrigeration cavity, the air circulation cavity and the storage cavity, meanwhile, the semiconductor chilling plates are arranged on the two sides of the refrigeration cavity, and efficient heat transfer is achieved by means of the characteristics that the cold ends of the semiconductor chilling plates cool the refrigeration cavity and the hot ends of the semiconductor chilling plates dissipate heat outwards. The rotating shafts annularly distributed in the refrigerating cavity and the spiral conveying blades are driven by the motor to rotate, the refrigerating medium in the refrigerating cavity can be driven to spirally flow, the flowing dead angle and short circuit phenomena of the cooling medium can be effectively eliminated through the flowing mode, and therefore the cooling efficiency of the environment chamber is remarkably improved, and the service life of the environment chamber is prolonged. The device solves the problem of low cooling efficiency in the prior art, and has the advantage of good cooling effect.
Owner:ZHONGHANG MONITORING TECH RES INST CO LTD

Bench test bench

This disclosure provides a torsion tube test bench, belonging to the field of automotive testing technology. The torsion tube test bench includes an environmental chamber, a vacuum pump, a steam generator, and a refrigeration unit. The environmental chamber houses the intake hose and the torsion tube, wherein the intake hose has a first intake port, a second intake port, and a first exhaust port, and the torsion tube has a third intake port and a second exhaust port, the second exhaust port being connected to the second intake port. The vacuum pump is located outside the environmental chamber and connected to the first exhaust port to draw air from the intake hose. The steam generator is located outside the environmental chamber and connected to the second intake port to introduce water vapor into the torsion tube. The refrigeration unit is located inside the environmental chamber to simulate the external environment in winter. Thus, only the torsion tube and the intake hose need to be tested, eliminating the need to test the entire vehicle, reducing testing costs and simplifying the testing process.
Owner:CHERY AUTOMOBILE CO LTD

Circulating cooling device in environmental chamber and galvanic pile test system

The utility model discloses an in-cabin circulating cooling device of an environmental cabin and a galvanic pile test system. The in-cabin circulating cooling device comprises a circulating pipeline communicated with a galvanic pile cooling flow channel; the circulating pump is arranged on the circulating pipeline; the liquid storage container is communicated with the circulating pipeline; the cooling assembly comprises a cooling branch and a heat exchanger which are communicated with the circulation loop; the valve control assembly comprises a plurality of electromagnetic valves arranged on the circulation pipeline and is used for controlling the communication state between the circulation pipeline and the galvanic pile cooling flow channel and the communication state between the cooling branch and the circulation loop; the temperature and pressure signal acquisition assembly comprises a temperature sensor and a pressure sensor; the control assembly is in control connection with the valve control assembly and the circulating pump, receives and responds to the temperature detection signal and the pressure detection signal, and controls the working states of the valve control assembly and the circulating pump; according to the whole system, the in-cabin circulating cooling device is matched with the out-cabin system test board, so that the functions of cooling and rapid switching of cooling liquid during the low-temperature adaptability test of the galvanic pile and the like can be realized.
Owner:SHANGHAI HANCE EXPERIMENTAL EQUIP

System for automatically generating reports about the state of thermal vacuum and manufacturing systems

The invention relates to a system for program control using a digital processor, and more particularly to a system for automatically generating reports about the state of thermal vacuum and manufacturing systems. The technical result, which consists in more timely generation of reports about the state of thermal vacuum and manufacturing systems, is achieved in that the present system for automatically generating reports about the state of thermal vacuum and manufacturing systems comprises a host computer interconnected with a control unit that transmits control signals to monitoring and measuring devices and a data processing unit, wherein the monitoring and measuring devices transmit data to a data collection unit, which transmits data to the data processing unit, which transmits data to the control unit, which transmits data to the host computer, and the monitoring and measuring devices include a validation device, a device for measuring the amount of aerosol particles in the air, a device for remotely recording temperature and relative humidity values, a device for monitoring the parameters of controlled environment rooms, and a module for generating a report about a set of production equipment, wherein the data collection unit is connected to a database, which is connected to the data processing unit.
Owner:LLC IKS-TECH

Formaldehyde environmental chamber device with background concentration self-checking and automatic cleaning function

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.
Owner:CHANGZHOU ARCHITECTUAL RES INST GRP CO LTD

An electrical hardware corrosion wear fatigue testing machine

The present application relates to the field of testing machines, and specifically discloses a corrosion wear fatigue testing machine for electrical fittings, which includes a workbench and an environmental chamber fixedly mounted on the workbench, the upper cover of the environmental chamber being provided with a top cover, the bottom of the environmental chamber being open and connected to a collection tank; an arc-shaped guide rail being fixedly mounted on the workbench outside the environmental chamber, a pendulum being swingably mounted on the workbench in a horizontal plane, one end of the pendulum being slidably mounted in the arc-shaped guide rail, the other end being located in the environmental chamber and being connected to a first fitting to be tested, the first fitting to be tested being hung with a second fitting to be tested, a driving mechanism for driving the pendulum to swing, and a tensioning mechanism for applying a load to the second fitting to be tested being mounted on the workbench; the testing machine also includes a spray mechanism for sandblasting or spraying the fitting to be tested. The present application can simulate the relative sliding wear, stress, and corrosion conditions of fittings in all environments, thereby effectively evaluating the wear and corrosion resistance of connecting fittings under complex service conditions.
Owner:WUHAN RES INST OF MATERIALS PROTECTION +1

A method for determining the adaptation time length of subjective thermal environment assessment

A method for determining the adaptation time length of subjective thermal environment assessment. Based on prior knowledge or a thermal comfort database, obtain the statistical distribution of physiological parameters; then determine the initial skin temperature, the initial core temperature, and the thermal environment of the environmental chamber during the adaptation stage; based on the initial skin temperature, the initial core temperature, and the thermal environment of the environmental chamber during the adaptation stage, use a dynamic human bioheat model to determine the dynamic change curve of skin temperature; according to the stability limit, based on the dynamic change curve of skin temperature, determine the stable time length; according to the confidence level, based on the stable time length, obtain the adaptation time length. The present invention solves the problem that currently, the adaptation time length is only determined based on experience, there is a risk of inaccurate subjective thermal environment assessment due to too short an adaptation time, and a risk of excessive investment in time, money, etc. due to too long an adaptation time, and helps to guide how to determine a reliable adaptation time length for thermal environment assessment at reasonable costs such as time and money.
Owner:XI AN JIAOTONG UNIV

Wireless Distributed Networking Test System and Method for Climate Environment Testing

This invention discloses a wireless distributed networking test system and method for climate environment testing, relating to the field of wireless distributed networking test technology. The system includes at least one environmental chamber for placing the product under test (DUT), which is located within a pre-constructed distributed wireless local area network (WLAN). The WLAN includes a wireless base station and at least one wireless node, with one wireless node installed in each environmental chamber. At least one type of digital sensor is also installed in each environmental chamber. Each type of digital sensor is used to collect at least one type of parameter to be measured within the environmental chamber. The digital sensors transmit the collected parameters to the wireless node within their respective environmental chamber via a digital bus. The wireless node transmits the parameters to be measured within its environmental chamber to a test control terminal via the wireless base station. This invention solves the problem of low testing efficiency caused by complex cable laying in existing systems by constructing a distributed wireless local area network to transmit test data during the testing process.
Owner:GENERAL ENG RES INST CHINA ACAD OF ENG PHYSICS

Test method for rapidly identifying high-temperature and high-humidity stripes of polaroid

The invention discloses a test method for rapidly identifying high-temperature and high-humidity stripes of a polaroid. The method comprises the following steps: preparing a sample: fixing the polaroid of which a release film is torn off at the middle position of an iron sheet; aging the polaroid: tearing off a protective film of the polaroid fixed on the iron sheet, putting the polaroid into a high-temperature and high-humidity environment box, and standing for a period of time; and optical performance testing: taking the aged polaroid out of the environment box, testing the optical performance of the aged polaroid by using a JASCO V-7100 spectrophotometer, recording data, and calculating an A400 value. According to the invention, whether the polaroid has a stripe risk after high-temperature and high-humidity durability can be judged, the problem of high-temperature and high-humidity stripes of the product at a client can be effectively prevented, and the product quality is improved.
Owner:SHENZHEN SAPO PHOTOELECTRIC

Complete set of hydrogel particle production equipment and production method

The invention belongs to the field of hydrogel production, and relates to a complete set of hydrogel particle production equipment and a production method, the complete set of hydrogel particle production equipment comprises: a data acquisition module for acquiring oxygen concentration data and humidity data; the oxygen analysis module is used for determining whether the single freezing and thawing cycle is qualified or not based on the single-cycle oxygen concentration difference of the oxygen concentration data; the data processing module is used for determining whether the structure of the hydrogel is stable or not based on the concentration difference change characterization parameters after the three times of freezing and thawing cycles, and determining and adjusting the freezing duration or the drying duration according to the difference value; the humidity analysis module is used for determining whether the humidity uniformity is qualified or not based on the humidity gradient value of the humidity data, and determining an environment box with unqualified humidity according to the humidity change rate of the humidity data; the data adjusting module is used for determining and adjusting the temperature based on the ratio of the humidity change rate to the preset humidity change rate or determining and adjusting the fan rate based on the relative difference between the humidity change rate and the preset humidity change rate, and the stability of the hydrogel structure is improved.
Owner:SHANGHAI WATERWAY ENG DESIGN & CONSULTING CO LTD

Air conditioner testing method and device and electronic equipment

The embodiment of the invention provides an air conditioner testing method and device and electronic equipment, and relates to the technical field of air conditioners. The method comprises the following steps: based on operating parameters of a to-be-tested air conditioner, performing a first test through an enthalpy difference chamber to obtain rated maximum power consumption of the to-be-tested air conditioner under the operating parameters; based on the operation parameters, a second test is carried out through an environment room, and the free operation power consumption of the air conditioner to be tested under the operation parameters is obtained; and according to the rated maximum power consumption and the free operation power consumption, energy-saving rate information of the air conditioner to be tested under the operation parameters is determined.
Owner:XIAOMI TECH (WUHAN) CO LTD +2

Method of recovering HgCdTe detector performance after high temperature bias-induced defect generation

A method of baking a detector, the method comprising: placing a mid-wave infrared detector in an environmental chamber, wherein the environmental chamber is opaque. The mid-wave infrared detector comprises an anode, a guard terminal, and a cathode. The method further comprising connecting the anode to the cathode in a short circuit configuration, heating the environmental chamber to a bake temperature selected in the range of 60 to 70 degrees Celsius, and maintaining the detector in the environmental chamber for a period selected in the range of 72 hours to 240 hours.
Owner:TELEDYNE SCIENTIFIC & IMAGING LLC

AI environmental chamber

1. The name of this design product: AI Environmental Chamber. 2. Purpose of this design product: This design is used to hold garbage. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
Owner:深圳朗赫科技有限公司

A test device for a vehicle thermal management system

PendingCN122329715AElectrical batteryNew energy
This invention provides a test apparatus for a vehicle thermal management system. The apparatus includes: an environmental chamber with a first accommodating cavity for simulating an external environment; a first test component located within the first accommodating cavity, comprising a simulated driver's cab and an air conditioning unit, the air conditioning unit being located within the simulated driver's cab and providing heat load to the simulated driver's cab; a thermal management system under test located within the first accommodating cavity, connected to the air conditioning unit for heat exchange; and a second test component located outside the first accommodating cavity, including a water-cooled unit connected to the thermal management system under test for heat exchange, the water-cooled unit providing battery heat load to the thermal management system under test. This solution addresses the technical problem that existing enthalpy difference test benches cannot meet the testing requirements of thermal management systems for new energy commercial vehicles.
Owner:FAW JIEFANG AUTOMOTIVE CO

A synthetic rubber fatigue tensile strength testing device

This invention relates to the field of materials testing technology, specifically to a device for testing the fatigue tensile strength of synthetic rubber. The device includes a support assembly, an environmental conditioning assembly, a tensile testing assembly, and a discharge assembly. An environmental chamber is mounted on a base. A hoisting structure is used to hold the synthetic rubber to be tested. A sealed door is slidably mounted inside the environmental chamber, providing an entrance for the synthetic rubber. The environmental conditioning assembly is located inside the environmental chamber. A support rod is fixed inside the environmental chamber, and a sliding block is slidably mounted on the support rod. Two first clamping rods are rotatably mounted on the support rod, and two second clamping rods are rotatably mounted on the sliding block. A control component is used to control the first and second clamping rods to simultaneously clamp the synthetic rubber to be tested. A reciprocating movement component is used to control the reciprocating movement of the sliding block and the second clamping rods to drive the synthetic rubber to be tested for tensile testing. This device solves the problems of insufficient environmental simulation capability and unreliable clamping in existing technologies, achieving accurate fatigue tensile testing under multiple environmental conditions.
Owner:SHANDONG JINYOUCHANG NEW MATERIAL TECHNOLOGY CO LTD