205 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.

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.

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.

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.

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.

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 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.

The invention relates to the technical field of power electronic testing, and particularly discloses a laboratory networked management control system for high-power power electronic testing. The system comprises an equipment room, a test room, a network communication management system, a centralized control platform and a state detection and self-inspection module. Wherein the equipment room is used for arranging high-power test equipment, and realizes physical isolation from testers through a ventilation structure and a sound insulation structure; the test room is used for arranging an operation table and low-power test equipment and is connected with the equipment room through a cable and a communication line; the network communication management system constructs a local area network to realize remote communication; the centralized control platform is used for uniformly controlling and scheduling various devices; and the state detection and self-inspection module is used for monitoring the running state of the equipment and realizing automatic cut-off of a fault branch. The system improves the test safety, the operation efficiency and the automatic management level, and is suitable for test platform construction of new energy, power conversion and energy storage systems.

Provided is a method for measuring the performance of an air conditioner to improve the accuracy of measuring the performance of a dynamically controlled air conditioner. In this method for measuring the performance of an air conditioner (2), future changes in the air state of a virtual room in which an actual room is virtually reproduced are obtained by simulating the air state of the virtual room using the air state of the air blown from the air conditioner (2), and a condition generator (4) is set when the future changes in the air state of the virtual room are used for setting the condition generator (4). A delay in the air state of the test chamber with respect to the setting of the condition generator (4) is compensated, the condition generator (4) is controlled using a future change in the air state of the virtual chamber in which the delay has been compensated as the setting, and the performance of the air conditioner (2) is measured in the test chamber that is the measurement condition generated by the condition generator (4).

A kind of chassis stone knocking sound evaluation method and device in car is predicted, belong to chassis test technical field.Step S1, third microphone carries out the collection and knock the knocking sound of the knocking point on the bottom guard plate;Step S2, change the angle of bottom guard plate and ground, repeat step S1-S2;Step S3, formulate the sound transmission function ATF2 of the car to be developed;Step S4, the sound transmission function ATF2 of the car to be developed is simulated using anechoic chamber-anechoic test room set, the sound transmission function ATF3 between first anechoic chamber and second anechoic chamber is measured;Step S5, adjust the position of sound insulation part, first sound source and first microphone, the sound transmission function ATF3 between first anechoic chamber and second anechoic chamber is measured, whether the sound transmission function ATF3 and the sound transmission function ATF2 are similar, if yes, then execute step S6, if no, then execute step S5;Step S6, after playing multiple knocking sound using first sound source, it is scored;Step S7, replace bottom guard plate, repeat step S1-S7, complete the evaluation of the knocking sound of the car to be developed.

A vacuum leak detection system (10) includes a test chamber unit (12) having a test chamber inlet (20) and a test chamber outlet (22), a gas detection unit (14) having a gas detection inlet (32) and a gas detection outlet (34), and a gas control unit (16) connecting the test chamber inlet (20) and the test chamber outlet (22) to the gas detection inlet (32) and the gas detection outlet (34), which is connected to the test chamber unit (12) and the gas detection unit (14) and has separate gas conducting pathways (48, 54, 56, 60) for selectively connecting the inlets (20, 40) and the outlets (22, 34) of the test chamber unit (12) and the gas detection unit (14), wherein the gas control unit (16) has a third inlet (44) in communication with the atmosphere and the third inlet (44) can be connected to the test chamber inlet (20) by a gas conducting pathway (48) through the gas control unit (16) to supply carrier gas drawn in by the third inlet (44) to the test chamber unit (12).

The present invention provides an environmental testing device, comprising: a heat-insulating chamber which includes a test chamber and is formed by an electrically conductive heat-insulating plate; an air conditioner; the heat insulation chamber comprises a chamber main body with an entrance and an exit and a door body for opening and closing the entrance and the exit, the heat insulation plate forming the chamber main body comprises an outer plate and an inner plate arranged on the inner side of the outer plate, and the air supply fan is used for generating air flow enabling the air conditioned by the air conditioner to flow into the test chamber. A heat insulation plate forming a chamber main body and a heat insulation plate forming a door body are connected in a mutually electrically conductive manner, and the heat insulation plate forming the chamber main body is provided with an opening through which at least one of a shaft of an air blower and a part of a component forming an air conditioner is inserted. And a shield box which is attached to the insulation plate having the opening so as to cover the opening from the outside of the insulation chamber, is electrically conductive to the insulation plate, is formed of an electrically conductive member, and defines a space by the shield box and the insulation plate having the opening.

The utility model discloses a Hi-pot automatic testing machine with single-time and cyclic multi-time testing functions, which comprises a rack, a testing chamber, an industrial computer, a Hi-pot high-voltage tester, a first horizontal conveying device, a second horizontal conveying device, a third horizontal conveying device, a fourth horizontal conveying device and an electric control box, the first horizontal conveying device is arranged at the bottom in the test chamber, and the second horizontal conveying device is arranged below the first horizontal conveying device. The third horizontal conveying device and the fourth horizontal conveying device are arranged on the left side and the right side of the first horizontal conveying device and the left side and the right side of the second horizontal conveying device respectively, and each of the third horizontal conveying device and the fourth horizontal conveying device is connected with an up-down lifting mechanism. The third horizontal conveying device, the fourth horizontal conveying device, the first horizontal conveying device and the second horizontal conveying device are located on the same conveying horizontal plane, and the tested products are tested one time or circularly conveyed to a testing room to be tested circularly and repeatedly.

Disclosed herein are devices, systems, and methods for cancelling an internal magnetic field caused by a test signal within a test chamber of a scanning electron microscope (SEM). A compensator device includes a set of one or more wire loops around a test chamber and an amplifier configured to drive a current in each wire loop of the set of one or more wire loops. The compensator device also includes a control circuit configured to adjust, via the amplifier, a corresponding amplitude modulation of the current in each wire loop, wherein the control circuit is configured to adjust the corresponding amplitude modulation based on a test signal within the test chamber.

The invention relates to a reliability verification test method for a high-pressure fan, and the method comprises the steps: carrying out the evaluation of the high-pressure fan through an acceleration test simulated by a test room, so as to confirm whether the reliability requirement of a whole vehicle is met or not; fan reliability verification is performed in advance through a test room, so that the fan which does not meet the requirement can be prevented from being subjected to a whole vehicle road test, and the reliability test period and the road test cost can be effectively shortened; the method has the advantages that whether the high-pressure fan product can meet the reliability requirement of the whole vehicle or not is evaluated through the reliability acceleration test, the evaluation mode is simple, and the test cost is low; for different whole vehicle working conditions, only test parameters such as T1 and T2, M1 and M2, n1 and n2 and the like need to be replaced, and the method is suitable for platform development; the reliability of a high-pressure fan product is effectively evaluated, the situation that the fan does not meet the reliability requirement after being tested after getting on a vehicle can be avoided, the development period of the fan can be effectively shortened, and the later vehicle verification cost is reduced.

Devices, methods, and systems for synchronizing a fire sensing device self-test procedure are described herein. One device includes a memory and a processor to execute instructions stored in the memory to cause a test medium to be generated, initiate a release of the test medium into a testing chamber at a first predetermined time, and cause a sensor to take a reading for the test medium at a second predetermined time.

1. Name of the design product: AI test room. 2. Use of the design product: The design product is used for AI test room. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.