608 results about "Test room" patented technology

The invention relates to the field of temperature control, in particular to an automatic control method and system for a constant-temperature test room. The method comprises the following steps: acquiring real-time indoor operation monitoring parameters and external environment multi-dimensional data of a constant-temperature test room; performing indoor operation state analysis on the real-time indoor operation monitoring parameters, and constructing a laboratory dynamic state space model; carrying out multi-time-point environment temperature fluctuation calculation on the external environment multi-dimensional data, and carrying out nonlinear correlation learning to generate indoor state-environment nonlinear correlation characteristics; carrying out dynamic temperature evolution simulation on the laboratory dynamic state space model based on the indoor state-environment nonlinear correlation characteristics, and carrying out dynamic temperature evolution prediction to obtain temperature prediction values of a plurality of regions; constant-temperature deviation compensation calculation is carried out on the temperature prediction values of the multiple areas, then intelligent temperature control compensation is carried out, and an intelligent temperature control strategy is constructed; according to the invention, efficient and accurate constant-temperature automatic control is realized.

The invention relates to an energy-saving enthalpy difference test room, which comprises two adjacent rooms, namely an indoor environment simulation room and an outdoor environment simulation room, and further comprises an indoor air handling unit, an outdoor air handling unit and an indoor and outdoor air exchange unit, the outdoor environment simulation chamber is used for placing an outdoor unit of an air conditioner to be tested, the indoor air processing unit is installed in the indoor environment simulation chamber and can adjust the temperature of the indoor environment simulation chamber, and the outdoor air processing unit is installed in the outdoor environment simulation chamber and can adjust the temperature of the outdoor environment simulation chamber. The indoor and outdoor air exchange unit is communicated with the indoor environment simulation chamber and the outdoor environment simulation chamber, and cold / hot air generated by the indoor unit of the tested machine can be introduced into the outdoor environment simulation chamber.

The invention discloses an air conditioner efficiency test system and a control method of an air conditioner efficiency test platform. The method comprises the following steps: dynamically adjusting the air dry bulb / wet bulb temperature of a test room of an existing test bed based on a dynamic temperature control adjusting technology; acquiring a real-time building thermal load of the test room through a building thermal load prediction simulator; the dynamic change of the air dry-bulb temperature of the test room is calculated in real time through the indoor air dry-bulb temperature prediction simulator; and the dynamic change of the air wet bulb temperature of the test room is calculated in real time through the indoor air wet bulb temperature prediction simulator. According to the invention, the problem that the dynamic operation energy efficiency and performance parameters of the tested air conditioner cannot be obtained through the enthalpy difference method test bench because the existing enthalpy difference method test bench cannot control the dynamic change process of the building thermal load of the test room along with the refrigeration / heating capability of the tested air conditioner in the prior art is solved; and the actual operation performance level of the air conditioner cannot be reflected.

Systems, methods, and devices for measuring rock permeability include a sidewall coring tool including a sidewall coring unit and a sample testing chamber. The sample testing chamber is configured to receive a core sample from the sidewall coring unit. A supply of nitrogen gas is fluidly coupled to the sample testing chamber; and a sensor is configured to measure one or more properties of the nitrogen gas within the sample testing chamber.

The utility model belongs to the technical field of anti-corrosion steel pipes, and particularly relates to an adhesive force testing frame for an anti-corrosion layer of a three-PE (Poly Ethylene) anti-corrosion steel pipe. The device comprises a support; the force application mechanism is arranged at the top end of the support, the force application mechanism comprises a pull rope, and the pull rope penetrates through the top end of the support and extends into the lower portion of the support; one end of the dynamometer is connected with the pull rope; and the clamp is connected with the other end of the dynamometer and is used for clamping the anti-corrosion layer. The tensile test device is used for solving the technical problems that in the prior art, the tensile test can be completed only by sampling the anti-corrosion steel pipe and feeding the sample into a test room, and the tensile test cannot be directly performed on the anti-corrosion steel pipe in the production and sales processes.

The invention relates to the technical field of precast beam fields, and discloses a precast beam field layout structure and method. Comprising a mixing station, a stock bin located beside the mixing station, an office area opposite to the mixing station, a test room beside the stock bin, an intelligent reinforcing steel bar machining center and a material reserve center on the side edge of the test room, a reinforcing steel bar binding area on the side edge of the intelligent reinforcing steel bar machining center, and a beam manufacturing area and a beam storage area on the side edge of the reinforcing steel bar binding area. All functional areas are intensively arranged according to the production process, streamlined operation is formed, construction connection between procedures is enhanced, labor division is clear, cross construction of all the areas is reduced, logistics organization pressure is reduced, construction management is facilitated, a steel bar factory and a steel bar binding area are designed to be communicated, and therefore the defects that the beam field expansion distance, the steel bar cage hoisting distance and the beam lifting distance are too long, and construction efficiency is low are overcome. The problems that functional areas of an existing prefabricated beam field layout structure are scattered, and zoning is not clear are solved.

A test chamber and a method for conditioning air in a test space thereof for receiving test material, the test space being configured to be sealed from an environment and temperature-insulated, a cooling device of a temperature control device of the test chamber, which comprises a cooling circuit with carbon dioxide as a refrigerant, a heat exchanger in the test space, a low-pressure compressor, and a high-pressure compressor, a gas cooler, and an expansion valve downstream of the low-pressure compressor in a flow direction of the refrigerant, being used to establish a temperature between −20° C. to +180° C. within the test space, a control device of the test chamber being used to control the temperature and / or a relative humidity in the test space. A dehumidifier bypass of the cooling circuit, which comprises a second expansion valve and a second heat exchanger, is used to dehumidify air in the test space.

The invention discloses an air conditioner energy efficiency test system, an air conditioner energy efficiency test method and an air conditioner energy efficiency test device. The method comprises the following steps: adding a building heat load metering technology into an existing test bench to meter the building heat load of a test room; a dynamic temperature control adjusting technology is added in the existing test bench, so that indoor side working condition dynamic adjustment based on room real-time thermal load and air conditioner real-time refrigeration / heating capacity is realized; in the test, dynamic energy efficiency test results of the air conditioner under each set target test working condition are tested in sequence; in the test, if the convergence condition is met, outputting a dynamic energy efficiency test result of the air conditioner; otherwise, the air conditioner is controlled to enter a full-load test stage, and the dynamic energy efficiency test result of the air conditioner in the stage is output after the test is completed. The technical problems that an enthalpy difference method test bed in the related technology cannot test the dynamic energy efficiency and performance parameters of the air conditioner and cannot reflect the performance level of actual operation of the air conditioner are solved.

The invention discloses a rapid aging test device and evaluation method for an LED advertising lamp box, and relates to the field of aging test devices.The rapid aging test device comprises an end base and a supporting table, a lower test area is fixedly arranged on the upper side of the end base, a middle test area is installed on the upper side of the lower test area, and an upper test area is installed on the upper side of the middle test area; a top frame is fixedly mounted at the top of the upper test area, a supporting frame is connected to the bottom of the end seat, a base is fixedly connected to the bottom of the supporting frame, universal wheel mounting hole positions are formed in the bottom of the base, and the base is placed in the aging test room. According to the rapid aging test device for the LED advertising lamp box, the three-dimensional space of a test room is fully utilized through the layered and partitioned design, the containing capacity of a unit area is greatly improved, space waste caused by plane placement is avoided, LED lamp boxes of multiple batches and multiple models can be tested at the same time, and the test efficiency is improved.

A portable apparatus for analyzing plant specimens to determine crop characteristic as well as water content in the plant is provided. A housing assembly contains a test chamber into which a sample from the plant being tested is placed. Light from one or more halogen bulbs is projected onto the sample and light transmitted through and / or reflected from the sample is measured. This information as well as geolocation information relating to where the sample was taken is recorded and transmitted to a network where the data is processed and the content of up to, potentially more than, eleven crop characteristics and / or water content and / or other crop characteristics for the sample are determined and stored and / or transmitted to a user. The generated crop characteristic information may then be used to determine appropriate amendments to be added to a field to remedy any crop characteristic deficiencies or other action to be taken.

The utility model provides a ring main unit, which relates to the field of power switch equipment and particularly comprises a cabinet body and an interlocking device. When the three conditions that the test door is closed, the cable door is closed and the cable door moves along the first direction are met, the second sliding assembly extends into the operating mechanism chamber and partially moves along the direction opposite to the first direction and avoids the first sliding assembly. The part, extending into the test chamber, of the first sliding assembly is unlocked by an unlocking piece arranged on the test door, so that the first sliding assembly can move in the second direction, and the operation hole is exposed. That is to say, on the basis of the arrangement that the operation shaft needs to be exposed when the test door and the cable door are both closed, the ring main unit provided by the utility model not only realizes interlocking between the test chamber and the cable chamber, but also meets the safety requirement of five-prevention connection.

The invention relates to the technical field of boiler fly ash sampling, in particular to a boiler fly ash sampling system and a use method.The boiler fly ash sampling system comprises a detection unit, and the detection unit comprises an introduction module connected with a boiler, a collection module arranged at the output end of the introduction module, a cleaning module arranged at the output end of the collection module and a test module arranged at the output end of the collection module; and a fly ash sample in the boiler flue is extracted through the introduction module and output to the collection module, the fly ash sample can enter the test module from the collection module to be tested, the fly ash sample enters a sample collection pipe and then enters a sampling test room by controlling an air pump, the fly ash sample is detected, and cleaning is completed regularly.

The invention discloses a deep hypothermia refrigerating device and a refrigerating method thereof, and relates to the field of refrigerating equipment, circulating refrigerating equipment comprises a refrigerating chamber, a first heat exchange assembly and a second heat exchange assembly, and the first heat exchange assembly is provided with a medium outlet, a first medium inlet and a second medium inlet; the second heat exchange assembly comprises a main throttling element, a main evaporator and a first heat exchanger. The medium outlet, the high-pressure pipeline, the first heat exchanger, the bypass pipeline and the second medium inlet can be sequentially communicated, and the medium outlet, the high-pressure pipeline, the main throttling element, the main evaporator, the low-pressure pipeline and the first medium inlet can be sequentially communicated. The main evaporator and the first heat exchanger can cool the temperature platform; the damping device is provided with a pipeline channel, pipeline inlets and outlets of the refrigerating chamber and the testing chamber are connected with the two ends of the pipeline channel respectively, the high-pressure pipeline, the low-pressure pipeline and the bypass pipeline are arranged in the pipeline channel in a penetrating mode, and the damping device can conduct damping on the high-pressure pipeline, the low-pressure pipeline and the bypass pipeline. Refrigeration efficiency is high and vibration is low.

The invention belongs to the technical field of aircraft structure corrosion tests, and particularly relates to a test room environment acceleration spectrum equivalent determination method based on a corrosion simulation result, which can obtain an equivalent conversion coefficient for calculating the corrosion resistance of a test piece by only carrying out fewer part corrosion tests, has higher precision, can shorten the test period and reduce the test cost, and is suitable for large-scale popularization and application. And the method has relatively high economical efficiency.

The invention relates to the technical field of laboratories, and discloses a high-precision constant-temperature and constant-humidity laboratory which comprises a climate chamber, a fresh air inlet is formed in one side of a machine room, a fresh air pretreatment unit communicated with the fresh air inlet is arranged in the machine room, and the fresh air pretreatment unit is used for pretreating fresh air; a fresh air treatment unit connected with the fresh air pretreatment unit is arranged in the machine room, the output end of the fresh air treatment unit is communicated with a temperature and humidity main treatment system in the climate chamber, and the temperature and humidity main treatment system is arranged in the climate chamber; according to the technical scheme, by arranging the fresh air pretreatment unit, outdoor air can be filtered, so that the quality of air entering the climate chamber is guaranteed, meanwhile, the fresh air pretreatment unit, the fresh air treatment unit and the temperature and humidity main treatment system work cooperatively, the temperature and humidity of the air can be controlled conveniently, and the service life of the air is prolonged. The indoor temperature and humidity operation range is wider, and the temperature and humidity control precision is higher.

Provided are methods and apparatuses for testing imaging devices, which can include a testing apparatus a testing apparatus including a test chamber; a device receptacle inside the test chamber for holding a device under test; a target receptacle inside the test chamber for holding an optical target within a field of view of the device under test; a temperature controller configured to adjust a temperature proximate to the device receptacle; and an air curtain controller configured to generate an air curtain inside the test chamber between a location of the device receptacle and a location of the target receptacle, the air curtain thermally isolating the device receptacle from the target receptacle.

The invention provides an asphalt and asphalt mixture all-weather aging acceleration simulation test device, which belongs to the technical field of simulation test devices and comprises a test box, a sealing assembly, a vehicle body, a partition assembly and two ultraviolet lamps. The test box is provided with a test cavity, and one end of the test cavity is open. The sealing assembly is used for opening and closing the opening end of the test cavity. The vehicle body is located in the test cavity and provided with a vehicle plate used for bearing a sample. The partition assembly is located in the test cavity and arranged outside the vehicle plate and the sample on the vehicle plate in a sleeving mode so that the test cavity can be divided into two test chambers. And the two ultraviolet lamps are respectively positioned in the two test rooms and are fixedly connected with the test box. According to the all-weather aging acceleration simulation test device for the asphalt and the asphalt mixture, the problem that an existing all-weather aging acceleration simulation test device cannot provide two different environmental factors for the same sample at the same time for a contrast test can be solved.

A test apparatus includes a first grip, a second grip movable relative to the first grip, a test specimen disposed to provide a load path between the first grip and the second grip, and a test chamber disposed to both substantially envelope the test specimen and move with one of the first grip and the second grip. The test chamber does not contact the test specimen. Another test apparatus includes, a first grip, a second grip movable relative to the first grip, a test specimen disposed to provide a load path between the first grip and the second grip, a first test chamber disposed to both substantially envelope the test specimen and move with one of the first grip and the second grip, and a second test chamber disposed to both substantially envelope both the test specimen and the first test chamber.

The invention discloses a speed regulation ratio evaluation method for a bladeless fan. The speed regulation ratio evaluation method comprises the steps that S1, the tested bladeless fan is placed in a test room; s2, arranging a plurality of anemometers in array distribution in front of the air supply outlet of the bladeless fan, wherein the blade planes of all the anemometers are parallel to the air supply outlet plane of the tested bladeless fan; s3, the bladeless fan is started, the bladeless fan runs under the rated voltage and the rated frequency, and if a head shaking mechanism exists, the head shaking mechanism is closed; s4, the bladeless fan speed regulator is arranged at the highest wind speed gear, and the measured wind speed vmh of the highest wind speed gear is obtained through measurement; s5, the bladeless fan speed regulator is arranged at the lowest wind speed gear, and the measured wind speed vml at the lowest wind speed gear is obtained through measurement; and S6, the ratio of the measured wind speed vml at the lowest wind speed gear to the measured wind speed vmh at the highest wind speed gear is calculated, and the speed regulation ratio of the bladeless fan is obtained. According to the method, the performance index evaluation of the speed regulation ratio of the bladeless fan can be scientifically and accurately evaluated.

The utility model discloses a system for detecting abnormal sound of an engine by an engine pedestal, which belongs to the technical field of engines, and comprises a microphone, a sound sensor, an engine working parameter detection sensor and a channel acquisition case which are arranged on the engine, the microphone is used for detecting the sound of the engine moving part; the microphone and the sound sensor are respectively connected to the channel acquisition case through data lines, the engine working parameter detection sensor is connected to an engine pedestal through a data line, and the channel acquisition case is connected to the engine pedestal through a Can signal line; the engine pedestal comprises a main controller, a sound detection feedback unit is integrated in the main controller, and the sound detection feedback unit is used for processing detection data of a microphone, a sound sensor and an engine working parameter detection sensor and giving engine abnormal sound feedback. The system can timely judge the abnormal sound of the engine from the outside of a test room and stop the rack and the engine, and accurately recognize the part with the abnormal sound at the same time.

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.

Systems, apparatus and methods for automatically testing security alarm devices are disclosed according to various embodiments. In one example, a disclosed system comprises: a plurality of test chambers coupled on a frame, wherein each of the test chambers is configured to house a corresponding one of a plurality of security alarm devices to be tested; and a test computer coupled to the frame, wherein the computer has a processor and a non-transitory computer readable storage medium for automatically testing the plurality of security alarm devices at the same time using a test software, wherein each of the plurality of security alarm devices is connected to the test computer.

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.

The invention discloses an offline examination auxiliary system, and belongs to the technical field of offline examination auxiliary equipment, and the system comprises an examination room camera which is used for carrying out the video shooting of an examination room; the acquisition module is used for acquiring examinee registration information and examination requirement information; the detection module is used for performing examination room seat detection on the video key frame in the examination preparation stage and performing examinee face detection and recognition on the video key frame in the examination entrance stage; the processing module is used for arranging examination room seats and generating examination information according to the examinee registration information, the examination requirement information, the detected seats and / or the detected and recognized face information, or checking examinees in an examination entering stage and generating examinee checking results; and the sending module is used for sending the examination information and the examinee checking result generated by the processing module to the invigilator terminal and / or the examinee terminal according to the set requirement at the set time. The method can reduce the manual dependence in the examination process, and guarantees the smooth completion of the examination.

The invention relates to the technical field of nuclear radiation detection, and discloses a collimation adjustment device and a nuclear radiation detection device. According to the invention, the collimation adjusting device comprises a moving body arranged corresponding to a ray receiving hole, a plurality of radiation adjusting holes with different apertures are formed in the moving body in a penetrating manner, the moving body can move relative to the ray receiving hole, the radiation adjusting holes and the ray receiving hole are arranged correspondingly in the axial direction, and a nuclear radiation detection device is arranged on the moving body. Comprising a sample chamber and a detection chamber, a collimation hole is formed in the end, facing the detection chamber, of the sample chamber, a detector is arranged in the detection chamber, a ray receiving hole is formed in the end, facing the sample chamber, of the detector, and the collimation adjusting device is arranged between the sample chamber and the detection chamber. The radiation adjusting holes with different apertures correspond to the ray receiving holes in the axial direction, so that the convenience and the stability of the nuclear radiation detection device are improved, the measurement accuracy can be improved, and the measurement application range of the nuclear radiation detection device is widened.

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 provides an electronic device aging test apparatus, including a box body, a test chamber provided in the box body and provided with an air inlet and an air return inlet, a circulating air duct provided on a periphery of the test chamber and in fluid communication with the air inlet and the air return inlet, and a circulating fan. A fresh air port and an air outlet are provided on a wall of the circulating air duct. The air outlet is provided downstream of the air return inlet, and the fresh air port is provided upstream of the circulating fan. The fresh air port is located between the air outlet and the circulating fan, and a baffle device is provided between the fresh air port and the air outlet. The baffle device has at least two working states.

The invention discloses a high-power turboprop engine preassembling device and a test run method, which are used for preassembling a high-power turboprop engine, and the high-power turboprop engine comprises an engine main body, a propeller and a test structure, the preassembling device comprises a preassembling frame used for supporting, a height adjusting structure arranged on the preassembling frame and an installing frame used for being detachably connected with the height adjusting structure, the preassembling frame is used for being installed in a test preparation room so as to preassemble the installing frame and the high-power turboprop engine, and the height adjusting structure is used for adjusting the vertical height of the installing frame when the installing frame is preassembled. The mounting rack is used for mounting the engine main body in a cantilever manner and mounting the propeller and the test structure on the engine main body after being connected with the height adjusting structure, and then hoisting the engine main body into a test room after being separated from the height adjusting structure; the preassembling requirement of the high-power turboprop engine is met, rapid reloading and preassembling of the high-power turboprop engine are achieved, and the utilization rate of a test bed is increased.

A biodegradable and mouldable cassette for lateral flow assay device, and a lateral flow assay device comprising said cassette, and a kit comprising such a lateral flow assay device, for in vitro diagnostics of a biological sample comprising a diagnostic test strip inserted into the cassette. The cassette comprises a first cassette part and a second cassette part coupled to each other and defining a test chamber there between containing the diagnostic test strip. The cassette is made of a biodegradable material and at least one of the first cassette part and second cassette part is made of injection mouldable material, in particular gelatin or a gelatin composition.

An apparatus detects a fire in a space. The apparatus contains a smoke detector with a test chamber, at least one air inlet and at least one air outlet. The apparatus further has at least one device, that is connected to the at least one air outlet, for generating a suction for air from the air outlet so that air is suctioned from the space through the air inlet into the test chamber and discharged through the air outlet. The apparatus is configured for use in a vehicle including passenger transportation vehicles.