12 results about "Test room" patented technology

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 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.

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 application relates to the technical field of detection equipment, and provides a stone-like paint heat insulation performance testing device, which comprises a testing box and a frame module. Two testing chambers are formed in the testing box by a partition plate, and each testing chamber is internally provided with a heating module. The top of the testing box is provided with a plug-in interface for matching and plugging of the frame module, and the partition plate is provided with an avoiding opening for the frame module to pass through. The rectangular frame comprises two rectangular frames which are fixed to each other, and in a testing state, the two rectangular frames are located in the two testing chambers respectively. Each inner wall of the rectangular frame is collectively provided with an inner recessed clamping groove, and a coating test plate is matched and installed in the inner recessed clamping groove. The rectangular frame comprises a C-shaped frame and a side blocking column arranged at the opening side of the C-shaped frame. One end of the side blocking column is hinged to the C-shaped frame, and the other end of the side blocking column is detachably connected to the C-shaped frame through a clamping mechanism. Therefore, the overall work efficiency can be improved when the heat insulation performance of the stone-like paint plate needs to be continuously tested.

A high-pressure hydrogen test fixture includes a main body having a test cavity, a flange covering the test cavity when attached to the main body to thereby form a test chamber, a plurality of flange bolts and corresponding nuts to attach the flange to the main body, a flange seal arranged in a seal groove of the main body, an inlet channel between the test chamber and an inlet port, a vent channel between the test chamber and a vent port, and a sample carrier. The flange seal forms a seal between a sealing surface of the flange and the seal groove of the main body. The sample carrier has at least one of a face seal groove and a radial seal groove for receiving a test article. A seal formed by the test article and the test fixture is arranged between the inlet channel and the vent channel.

This invention provides a road performance testing system for RAP micro-surfacing based on fine separation, relating to the field of performance testing technology. It includes: a test chamber assembly comprising a test chamber with a base mounted inside, and a test specimen mounted on the base; a power assembly mounted on the test chamber; a mounting assembly connected to the power assembly, the mounting assembly including a U-frame with symmetrical vertical slots, each slot containing a symmetrical guide rod connected to the U-frame; and a first test assembly including a mounting carriage. This invention addresses the shortcomings of existing technologies by developing a road performance testing system for RAP micro-surfacing based on fine separation. This system, through a four-level functional chain of "power-transmission-loading-sensing," achieves fine, repeatable, and quantifiable road performance testing of RAP micro-surfacing under straight-line, turning, variable-load, and multi-environment coupling conditions.

The utility model belongs to airtight room technical field, and disclose a kind of airtight test room sealing frame, including side frame, connecting frame and center frame, the side frame is symmetrically arranged in the both sides of center frame, the opposite side on the side frame is connected with center frame by connecting frame, the side of the side frame is equipped with door panel, the door panel is equipped with air blower, the inboard of the door panel is provided with closed mechanism, the closed mechanism includes connecting frame, driving motor, bidirectional screw rod, moving guide block and closed baffle, the side frame and center frame are all provided with plug-in boss, when assembling to airtight test room, the preliminary positioning of frame is realized by the cooperation of plug-in boss and slot, again in combination locking mechanism and the fixation of sealing baffle, both simplify assembly process, and the firmness of the connection of each part of frame can be guaranteed, effectively avoid the influence of test accuracy in the test process due to frame loosening.

This invention discloses an air conditioner energy efficiency testing system, method, and apparatus. The method includes: incorporating building heat load metering technology into an existing test bench to measure the building heat load of the test room; and incorporating dynamic temperature control technology into the existing test bench to dynamically adjust the indoor operating conditions based on the real-time room heat load and the real-time cooling / heating capacity of the air conditioner; during the test, the dynamic energy efficiency test results of the air conditioner are sequentially tested under various set target test conditions; if the convergence condition is met during the test, the dynamic energy efficiency test result of the air conditioner is output; otherwise, the air conditioner is controlled to enter the full-load test stage, and the dynamic energy efficiency test result of the air conditioner in this stage is output after the test is completed. This invention solves the technical problem in related technologies where the enthalpy difference method test bench cannot test the dynamic energy efficiency and performance parameters of air conditioners, and cannot reflect the actual operating performance level of the air conditioner.

The utility model discloses a salt mist test device relates to salt mist test technical field. The salt mist test device, including mounting panel and auxiliary mechanism, the top of mounting panel is installed with test casing, and the inside bottom of test casing is connected with the installation of absorption box, auxiliary mechanism includes blowing mechanism and opening and closing mechanism, and opening and closing mechanism includes motor no. 2, bidirectional screw rod and moving block. Through the cooperation of blowing mechanism, opening and closing mechanism, opening and closing board, absorption box and fixed casing, blowing mechanism can accelerate salt mist to descend to the inside bottom of test casing, and opening and closing mechanism can control the opening and closing of opening and closing board, so that the salt mist that descended to the inside bottom of test casing can be absorbed by the clean water in the inside of absorption box and the activated carbon in the fixed casing, compared with direct emission, reduces the corrosion of salt mist to the surface of ground, wall, instrument equipment etc. in the test room and improves the health safety of surrounding experimental personnel.

The application discloses a walk-in type rapid temperature change laboratory, which comprises a test chamber, a test rack and a ring-shaped clamp unit which is spliced by at least two arc-shaped clamp units and is arranged on the test rack. The arc-shaped clamp unit comprises an arc-shaped fixed ring segment, a floating clamping petal and a zero-stiffness beam group. A positive stiffness beam in the zero-stiffness beam group provides basic elasticity, and a negative stiffness beam generates a negative stiffness response through reverse bending when the floating clamping petal is radially displaced, so as to offset part of the force increment of the positive stiffness beam. The application passively adapts to thermal expansion and contraction of a tubular workpiece by using a pure mechanical structure, keeps the clamping force constant under severe temperature change, avoids deformation of the workpiece due to over-clamping or loosening of the workpiece due to cold contraction, and is convenient to disassemble and assemble in situ due to the split structure.

Transportable test machine (M) for detecting the presence of an antigen in a sample of biological material, comprising: - a test chamber (3) accessible through a window (2); - a seat (7a) for a tray (V) arranged in the test chamber (3), such tray having at least one sequence of recesses (RO, R1, R2) arranged longitudinally and containing biological test substances; - a motorized membrane holder support (12) arranged in the chamber (3) at a greater vertical height than the seat (7a) so as to be movable upon translation parallel to the sequence of recesses of the tray and vertically with respect to such seat, and the motorized membrane holder support (12) being configured to carry in use a paddle (P) with a functionalized membrane (15) on board on which selective biological molecules are located to select and anchor said antigen to the membrane; and the motorized membrane holder support (12) being also connected in data exchange to an electronic control unit programmed to: ▪ actuate the motorized membrane holder support (12) on the basis of a predefined position variation law to sequentially immerse the functionalized membrane in the recesses of a sequence of recesses of the tray (V) arranged in use in the seat (7a); . receive an image of the functionalized membrane; . process the image by counting the bioluminescent pixels so as to provide a quantitative result of the bioluminescent effect.

The present application relates to the technical field of aerospace metrology, and in particular to a non-intrusive velocity measurement system for a rarefied gas directional flow, comprising a fast-acting pulsed valve, a test chamber, a computer, a laser, a beam splitter, and a wavemeter. The fast-acting pulsed valve is disposed on the outer wall of the front end of the test chamber; the front end inside the test chamber is provided with a first reflector group, and the rear end inside the test chamber is provided with a second reflector group; the computer is connected to the laser by means of a laser controller; the laser is connected to the beam splitter, and the beam splitter splits laser light into three beams: a first laser beam entering the wavemeter, a second laser beam entering the first reflector group, and a third laser beam entering the second reflector group; and the computer is further connected to the fast-acting pulsed valve. The present application uses a non-intrusive measurement method based on time-of-flight combined with laser absorption spectroscopy, without introducing an additional electromagnetic field, thereby not affecting the composition, state and movement direction of a molecular flow under test, and achieving accurate velocity measurement of the rarefied gas directional flow.