373 results about "Test room" patented technology

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.

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.

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 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.

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.

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.

A vacuum leak detection system may comprise a test chamber unit having a test chamber gas inlet and a test chamber gas outlet, a gas detection unit having a gas detection gas inlet and a gas detection gas outlet, and a gas control unit connecting the test chamber gas inlet and the test chamber gas outlet to the gas detection gas inlet and the gas detection gas outlet, which is connected to the test chamber unit and to the gas detection unit, and which has separate gas line paths for optionally connecting the gas inlets and the gas outlets of the test chamber unit and the gas detection unit, wherein the gas control unit has a third gas inlet which is open towards the atmosphere and which can be connected to the test chamber gas inlet via a gas line path running through the gas control unit.

A gas permeation and leakage rate testing device and method for a non-metallic hydrogen transmission pipe. The device includes: a testing member formed with a testing cavity adapted to placing a to-be-tested pipe, and the testing cavity being formed with a sealed testing chamber after the to-be-tested pipe is placed therein; a calibration chamber selectively communicated with the testing chamber; a first gas-filling assembly selectively communicated with the calibration chamber to be adapted to filling a gas into the calibration chamber to a first set pressure; a measuring unit configured to measure pressures and temperatures in the calibration chamber and the testing chamber, and to calculate a calculated volume of the testing chamber; and a permeation and leakage rate testing unit configured to obtain a pressure change value of the testing chamber in a preset time interval and calculate a gas permeation and leakage rate of the to-be-tested pipe.

The invention relates to a C-GIS circuit breaker automatic partial discharge test system and a test method thereof, the automatic partial discharge test system comprises a test end device and a production line end device, the test end device comprises a shielding room, and a high voltage test device, an automatic commutation device, an automatic wiring device and an automatic opening and closing control device which are arranged in the shielding room; the production line end equipment comprises an automatic roller line, a visual system, a tool positioning module, an aviation plug automatic butt joint tool, a grounding probe butt joint tool and an automatic triggering circuit breaker opening and closing button tool. According to the automatic partial discharge test system, a circuit breaker is automatically conveyed into a shielding room through an automatic roller line, and according to circuit breaker information obtained by scanning a bar code through a visual system, circuit breaker positioning, automatic aviation plug and grounding probe automatic butt joint are achieved through the tool positioning module, the aviation plug automatic butt joint tool and the grounding probe butt joint tool respectively. The whole set of test process can be completed without personnel entering the laboratory, so that the overall test safety is improved.

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 multi-bubble icebreaking experimental device and experimental method for simulating a polar region environment, relates to the technical field of bubble icebreaking, and solves the problem of lack of a multi-bubble coupling effect for icebreaking effect research. A natural sea ice preparation device is arranged in a controllable freezing test room; a vacuum controllable low-temperature freezing device of the natural sea ice preparation device is arranged at the upper end of a transparent vacuum wall surface freezing box; the vacuum controllable low-temperature freezing device comprises a rapid controllable freezing plate; an electric spark device is arranged at the bottom of a box body of the transparent vacuum wall face freezing box, rapid controllable freezing plates are arranged on a box body left plate, a box body right plate and a box body rear plate of the box body, the box body is cooled through the rapid controllable freezing plates, an ice layer is generated, and the electric spark device generates bubbles to break ice. According to the invention, icebreaking is realized through the bending moment superposition effect under the multi-bubble coupling effect, so that the load characteristic of bending moment superposition under the multi-bubble coupling effect is explored, and the action mechanism of bending moment superposition under the multi-bubble coupling effect is disclosed.

The invention discloses a device for detecting the humidity of wet particles in gas-solid two-phase flow and a working method thereof, and belongs to the technical field of particle humidity visualization. The feeding module is used for conveying target wet particles to a laboratory; a gas distribution plate is arranged at the bottom of the test chamber, and the wall body is visually arranged; the gas flow module is communicated with the test chamber and provides gas flow for the test chamber through a gas distribution plate of the test chamber; the laser is arranged on one side of the test chamber; the laser is used for irradiating the test chamber; the shooting module is arranged on one side of the test room and is in communication connection with the processing module; the shooting module is used for shooting image data in the laboratory and transmitting the shot image data to the processing module; and the processing module is used for processing the image data to obtain humidity visualization information. The device can determine the humidity change condition of the wet particles in time.

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.

The present application relates to the field of chip package testing, in particular to a chip package testing system and a testing method thereof. The system comprises a testing box, the inside of which is divided into a testing room and a chip in-out room. The testing room is divided into a feeding room with adsorption equipment and detection equipment, a discharging room, and two groups of detection rooms. The rotating plate is divided into four groups of rotatable detection stations, each of which is provided with a positioning assembly. The testing box is also provided with a feeding box, a qualified product discharging box, an unqualified product discharging box, and a controller. Through the rotation of the detection stations, the feeding room, the two groups of detection rooms, and the discharging room are sequentially opposite, and the feeding, detection, and classified discharging are automatically performed. The structure is compact, and the items for simultaneous detection can be installed and replaced according to needs. The detection process is cyclic, continuous, efficient, and intelligent. After the detection is completed, the qualified products and unqualified products are classified and recycled, the detection results are intuitive, the classification and statistics are convenient, and the detection efficiency is improved.

The utility model provides a powder sample preparation device for a scanning electron microscope, and belongs to the technical field of lithium battery test equipment. The device comprises a sample preparation box body and a sample preparation assembly, wherein a cabin door is arranged on the sample preparation box body. The sample preparation assembly comprises an air inlet pipe, an air outlet pipe, a feeding port, a blocking part and a sample preparation conductive adhesive, the air inlet pipe is arranged in the horizontal direction, one end of the air inlet pipe penetrates through the sample preparation box body, the other end of the air inlet pipe is used for being connected with an air source, the feeding port is formed in the top of the sample preparation box body and connected with the air inlet pipe, and the blocking part is arranged in the sample preparation box body and right faces one end of the air inlet pipe; the sample preparation conductive adhesive is installed at the bottom of the sample preparation box and located between the blocking part and one end of the air inlet pipe, and the air outlet pipe is arranged on the other side wall of the sample preparation box in a penetrating mode. Cross contamination interference between sample tests can be avoided, meanwhile, powder materials are quantitatively controlled to be scattered on the conductive adhesive, and accurate and efficient sample preparation is achieved.

The utility model provides a high-precision constant-temperature and constant-humidity test room which comprises a box body, a telescopic detection assembly and glass baffles, a box door is hinged to one end of the box body, limiting frame columns with sliding grooves are arranged in the box body, and the two glass baffles are movably arranged in the sliding grooves; when the two groups of glass baffles abut against each other, the interior of the box body can be covered so as to realize preliminary sealing of the box body, and the interior of the box body is sealed again through closing of the box door, so that circulation of gas in the box body and external gas is avoided; a bearing seat in the telescopic detection assembly is provided with a humidity detection part and a temperature detection part, and the bearing seat is connected with the output end of a push rod part, so that when the push rod part drives the bearing seat to move, the humidity detection part and the temperature detection part can adjust humidity and temperature at different height positions; therefore, operators can conveniently adjust the temperature and humidity of the box body, and constant humidity and constant temperature in the test room are guaranteed.

The invention provides a projectile injection device and a control method, and relates to the technical field of fusion device manufacturing, the projectile injection device is used for injecting projectiles into a test chamber of a fusion device, and comprises a conveying structure in which a conveying channel is formed, and the outlet end of the conveying channel is communicated into the test chamber; the feeding structure comprises a shot storage part and a cam assembly, a shot storage space is formed in the shot storage part, shots are stored in the shot storage space, and at least part of the cam assembly extends into the shot storage part; at least part of the cam assembly is arranged to be capable of reciprocating so that the shot storage space can selectively communicate with the conveying channel, and the shots can be conveyed into the conveying channel. According to the bullet injection device, bullet injection can be evenly controlled, the adjusting performance of boundary current distribution and pressure gradient is improved, weakening or restraining of an edge local module is enhanced, the structure is simple, the setting cost can be reduced, and the using effect is better.

In a test chamber, in particular a thermal vacuum chamber, for the controlled simulation of ambient conditions with regard to pressure and temperature of space, with at least one interior space, wherein the pressure and / or the temperature in this space is adjustable and wherein an object to be tested can be placed in the interior space, it is provided that a camera system is placed in the interior space, wherein the camera system has a camera arranged in a camera housing, wherein the camera system is vacuum-tight and low-temperature-resistant, wherein the camera housing has no cable feedthrough.

A heater drive controlling apparatus for an electronic component testing apparatus includes a breaker disposed between a power source and heaters, and a controller that controls electric currents supplied from the power source to the heaters in order according to a first priority set for the heaters such that a sum of the supplied electric currents is within a rated current of the breaker. The electronic component testing apparatus includes a test chamber, a thermal-stress applying chamber, and a thermal-stress removing chamber each of which includes the heaters.

The utility model belongs to the technical field of sandy soil sampling, and particularly relates to an undisturbed soil sampling device suitable for an indoor direct shear test, which comprises a plain-end cutting ring, a cutting ring with a blade, a sleeve, a rectangular cutting plate, a cutting plate with a blade, a circular cover plate and a flat-angle cover plate. Then the cutting ring and the sleeve are pushed into soil, the upper surface and the lower surface of the cutting ring are scraped to be flat through a cutting plate, the cutting plate is fixed up and down through bolts, sealed storage is conducted, after the cutting ring is sent to a test room, the bolts are removed, cutting ring samples with cover plates are placed into a shear box, meanwhile, adhesive tape between the cutting ring samples is cut open through a small knife, and a test is prepared; according to the device, disturbance to surrounding sandy soil is reduced, the integrity and accuracy of the sampling process are ensured through the cutting and collecting functions of the sampling device, and reliable basic data support is provided for sandy soil research.

The invention discloses a fuel supply device and a mixed fuel engine test bench, the fuel supply device comprises a raw material supply module, a fuel mixing module, a first conveying pipeline, a second conveying pipeline and a third conveying pipeline, the raw material supply module comprises a first fuel module and a second fuel module; the fuel mixing module comprises a mixed fuel storage tank and a weighing device, the weighing device is used for obtaining the mass change of the mixed fuel storage tank, the first conveying pipeline is connected between the first fuel module and the mixed fuel storage tank, and the second conveying pipeline is connected between the second fuel module and the mixed fuel storage tank. According to the invention, the weighing device is used for weighing the mixed fuel storage tank, so that the mixed fuel with an accurate proportion can be obtained in a test room, the waiting time cost in the test process is reduced, and the test efficiency is improved. The problem that the transportation cost and the transportation risk of the mixed fuel needed by the test are high is solved.

The utility model discloses a locking device for an automobile test room, which is used for being connected with a vehicle fixing pile of the automobile test room, and comprises a driving piece, a first inserting piece, a second inserting piece, a locking piece, a locking piece and a second inserting piece, the driving piece is fixed on the top wall of a body, and the output end of the driving piece penetrates into the body; the first plug connector is fixed at the output end of the driving part; the body is of a hollow frame structure without a bottom wall and a side wall, a first fixing piece and a second fixing piece which are arranged in parallel up and down are formed in the inner space of the body, and the body can be connected with a vehicle fixing pile. Concentric through holes are formed in the first fixing piece and the second fixing piece; the driving piece can drive the first plug connector to move downwards to be inserted into the through holes of the first fixing piece and the second fixing piece, and the driving piece can drive the first plug connector to move upwards to be separated from the through hole of the second fixing piece and retract into the through hole of the second fixing piece. According to the utility model, the safety of the automobile test room can be effectively improved, a test vehicle can be quickly separated and unlocked when a combustion accident occurs, the loss of the test room is reduced, and irreparable damage is avoided.

To enhance an electromagnetic shielding effect in an environmental test device.SOLUTION: The environmental test device includes an insulation chamber 12 including a test chamber 12a and formed using electrically conductive insulation panels 23. The insulation chamber 12 has a chamber body 20 having an entrance / exit and a door body 21 that opens and closes the entrance / exit. The insulation panels 23 forming the chamber body 20 have an outer panel 23a and an inner panel 23b. A radio wave absorber 24 is arranged between the outer panel 23a and the inner panel 23b. The insulation panel 23 forming the chamber body 20 and the insulation panel 23 forming the door body 21 are connected to be electrically conductive.SELECTED DRAWING: Figure 2