302 results about "Test room" patented technology

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 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.

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.

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 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 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.

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 invention provides an emergency evacuation method for an electromagnetic compatibility test of a power battery, and the method comprises an environment monitoring module, a water tank emergency protection module, a box moving robot system module, a test wire harness cut-off module, a test room control module, a control box module, and an electromagnetic compatibility test equipment protection module. And all the modules realize safety protection in an emergency scene through signal interaction and action linkage. Through cooperation of multiple modules, the single-dimension limitation of traditional protection is broken through, personnel-equipment-environment triple guarantee is constructed, a full-chain safety closed loop is formed, a full-automatic emergency evacuation process is achieved, manual intervention is not needed from emergency situation detection to transfer of a power battery to a safety area, and the evacuation efficiency and safety are improved.

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

The invention discloses a fire extinguishing system based on multiple sensors, and the system comprises a data collection module which is used for collecting temperature, humidity, flame and smoke data in a vehicle test room in real time, and transmitting the temperature, humidity, flame and smoke data to a data processing module; the data processing module is used for performing multi-data fusion fuzzy reasoning on the temperature, humidity, flame and smoke data, generating a fire extinguishing instruction according to a multi-data fusion fuzzy reasoning result, and transmitting the fire extinguishing instruction to the execution module; the execution module is used for executing a fire extinguishing action according to the fire extinguishing instruction; the transmission module is used for uploading the data fusion fuzzy reasoning result to the terminal module; and the terminal module is used for receiving and storing the data fusion fuzzy reasoning result, generating a remote fire extinguishing instruction according to the reasoning result and transmitting the remote fire extinguishing instruction to the execution module through the transmission module, and the execution module executes the fire extinguishing action according to the remote fire extinguishing instruction so as to improve the fire extinguishing efficiency of the vehicle laboratory.

The invention discloses a quality control motif for heavy ion therapy and a testing method thereof, the quality control motif is a cube, and at least one edge of the cube is cut off; a rectangular inclined surface is arranged on the quality control die body at the position where the edge is cut off, and one short edge and the other opposite short edge of the rectangular inclined surface are respectively positioned on two opposite side surfaces of the quality control die body; and the distance from the rectangular inclined plane to the die body original point of the quality control die body is equal to the distance from the surface of the quality control die body, which takes the long side of the rectangular inclined plane as the common side, to the die body original point. According to the invention, dosimetry data of measurement beams of the quality control die body at 0 degree, 90 degrees and preset angles can be obtained only by placing the quality control die body once, so that a tester does not need to enter a test machine room for multiple times to replace the quality control die body in a test process, the number of times of exposing the quality control tester under induced radiation is reduced, and the exposure risk is reduced.

The invention relates to the technical field of obstruction light detection, and discloses an obstruction light performance detection machine which comprises a detection box, a bottom plate arranged at the bottom of the detection box, a cabinet body arranged below the bottom plate, a plurality of partition plates arranged on the inner side of the detection box and dividing the interior of the detection box into a plurality of test chambers. The test chambers are a vibration test chamber, a high-temperature test chamber, a sealing test chamber, a low-temperature test chamber and an anti-interference test chamber in sequence, a heating plate and a cooling plate are respectively arranged in the high-temperature test chamber and the low-temperature test chamber, a closed top cover is arranged at the top of the detection box, and a moving mechanism for placing a detection piece is arranged in the detection box. According to the invention, the comprehensiveness, automation degree and reliability of obstruction light detection are significantly improved, all tests are completed in a single device through partition design, sample transfer errors are avoided, and the detection efficiency is improved. The efficiency is improved.

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

The present disclosure provides a multi-sample differential scanning calorimeter (DSC) that allows for simultaneous processing of samples to achieve high throughput sample processing. The multi-sample DSC includes a test chamber; a sample cartridge located within the test chamber, wherein the sample cartridge includes a plurality of sample wells arranged at a periphery of the sample cartridge; a plurality of temperature sensors, wherein each temperature sensor measures a respective temperature of a respective sample well; and a processor configured to selectively determine a temperature difference between any two or more of the plurality of sample wells.

The utility model relates to the technical field of noise reduction devices, and provides a noise reduction device for a high-speed centrifugal fan experiment, which comprises a shell, two sides of the shell are fixedly connected with shutters, the interior of each shutter is connected with a sound insulation plate, the sound insulation plate is composed of three parts, and the outer layer of the sound insulation plate is provided with three layers of punching net plates which are arranged in a staggered mode. The two sides of the punching screen plate are welded to form a support, and sound insulation cotton is arranged in the inner side of the punching screen plate. The sound insulation plate is fixedly connected with the shell; a plurality of groups of sound insulation plates are distributed in an array, the shutters are of a plurality of groups of rotatable blade structures, and the two groups of shutters are symmetrically distributed; and an adjusting structure is connected between the sound insulation plate and the shell. By means of the technical scheme, the problems that an existing high-speed air blower test room is often accompanied by large noise, a large amount of air is needed for fan testing, a window is required to be subjected to professional air inlet transformation, and the influence of the noise on the surroundings is reduced under the condition that air inlet is not affected are solved, and the better noise reduction effect is achieved.

The utility model discloses an outdoor rain test room, which comprises a test room main body, a test space for placing a test piece is formed in the test room main body, a plurality of test nozzles are arranged in the test space, and a water supply pipe for the test nozzles is arranged on the test room main body. One end of the test room main body forms a placement opening communicated with the test space, and a plurality of control rooms are formed on the test room main body and are arranged on the two sides of the test room main body at intervals; foldable protective guards are hinged to the two sides of the test room body, and when the protective guards are in an open state, an inspection channel is formed between the protective guards and the test room body.

The invention provides a movable temperature test box, belongs to the technical field of temperature test boxes, and solves the technical problems that an existing temperature test box is poor in moving flexibility, the moving effect of the temperature test box in a test room cannot be achieved, and different temperature test requirements cannot be met. The movable temperature test box comprises a support, the surface of the support is rotationally connected with a plurality of driving belt wheels, the driving belt wheels are driven by a driving motor, the outer walls of the driving belt wheels are sleeved with meshing belts in a meshing mode, and the outer walls of the meshing belts are connected with tension wheels in a meshing mode. According to the invention, the fixing rod is arranged at the bottom end of the box body, under the action that the fixing rod drives the box body to perform height movement through the rotating wheel and the step plate, the box body can perform lifting movement during temperature test, and the driving wheel drives the meshing belt to rotate; and the meshing belt can synchronously drive the transverse plate to move, so that the transverse plate drives the whole box body to horizontally move.

The application discloses a kind of capacitive thin film vacuum gauge tuning measuring devices, can complete the debugging work of batch before vacuum gauge completes packaging, and efficiency is high, cost controllable.The device, main vacuum chamber pumping assembly is connected main vacuum chamber by first pumping connection pipeline, for maintaining the pressure of main vacuum chamber at background state;Test chamber pumping assembly is connected each test chamber by second pumping connection pipeline, for maintaining the pressure of test chamber at background state;Gas distribution assembly is connected each test chamber by gas supply pipeline, for supplying gas to test chamber;Test chamber is divided into different groups according to the range of measured vacuum gauge, and the pressure sensor of corresponding range is connected;Each test chamber provides more than one vacuum gauge connection end;The reference cavity of each measured vacuum gauge is connected bellows by first connecting piece, and the bellows corresponding to all measured vacuum gauges are connected into the main vacuum chamber;The measuring cavity of measured vacuum gauge is connected the test chamber of corresponding range by second connecting piece.