9results about How to "Enable continuous testing" patented technology

The utility model relates to a general riser tube leak hunting tool comprising the following structures: a support assembly comprising a bottom plate provided with an air inlet pedestal, the center of which is provided with a lower core head, and the air inlet pedestal is internally provided with a lower sealing gasket; the downward pressing assembly comprises a top plate which is parallel to the bottom plate, a guide column is connected between the top plate and the bottom plate in the vertical direction, a linear driving piece is arranged on the top plate, the output end of the linear driving piece is connected with a stabilizing plate parallel to the top plate, the stabilizing plate is movably assembled on the guide column through a guide sleeve, and an air outlet top seat is arranged at the bottom of the stabilizing plate; an upper core head coaxial with the lower core head is arranged in the center of the air outlet top seat, an upper sealing gasket is arranged in the air outlet top seat, and an air outlet channel is formed in the upper core head; and the positioning assembly comprises two positioning units which are fixedly arranged on the guide columns between the upper core head and the lower core head respectively. The device is suitable for riser tubes with different outer diameters through the positioning unit, and the to-be-tested piece and the core head connecting line are kept coaxial, so that the perpendicularity of the riser tubes is ensured.

This invention belongs to the field of sensor and machine learning technology. It proposes a simulation test system and method for the mechanical properties of rock joints based on the principle of equivalent body force field. The main components include: constructing a geomechanical similarity model based on the principle of equivalent body force field, including a base and a rock mass physical model. When the base moves relative to the interface of the rock mass physical model, the friction between the base and the bottom surface of the rock mass physical model generates uniformly distributed shear stress, which generates equivalent body force intensity inside the rock mass physical model; collecting multidimensional sensing data when the base moves relative to the interface of the rock mass physical model; automatically identifying the rock mass joint extension trajectory based on the multidimensional sensing data and using an improved U-Net machine learning model; obtaining displacement field data through an improved particle image velocimetry combined with an optical flow algorithm; using a Bayesian inference inversion model to invert the mechanical parameters of the joint surface; and evaluating the uncertainty of the inversion results using the Markov chain Monte Carlo method.

The present invention relates to the field of automotive electronic manufacturing application technology, and discloses a test bench for automotive bus protocol conversion equipment, including a test base, a three-axis manipulator is mounted on the top of the test base, a programmable controller is fixedly installed on the front, three groups of conveying mechanisms are arranged in parallel on the top of the test base, and the three groups of conveying mechanisms can convey the conversion equipment, the three-axis manipulator includes an X-axis moving module, a Y-axis moving module and a Z-axis moving module, and the Z-axis moving module is provided with a clamping positioning mechanism and an air supply test mechanism. The test bench for automotive bus protocol conversion equipment intermittently conveys the conversion equipment through the conveying mechanism in the middle position, and drives the clamping positioning mechanism and the air supply test mechanism to move through the three-axis manipulator, and after the clamping positioning mechanism clamps and positions the conversion equipment after it is moved into place, power is provided by an electric telescopic rod to press the gas in the accordion airbag into the conversion equipment.

The application discloses a kind of continuous transport type semiconductor electrical test device under low temperature inert atmosphere, it is related to the technical field of electrical performance test equipment of semiconductor material, including in turn through's sample sealing cabin, test cabin and sampling sealing cabin, and the conductive conveying belt through three cabin bodies;Test cabin is equipped with liquid nitrogen inlet, inert gas inlet, vacuum valve, electrode lead-out end, irradiation window, movable baffle and probe test part. Conductive conveying belt drives sample to move continuously between three cabin bodies, realizes the automatic test and closed sampling of batch loading, low temperature or inert atmosphere of sample;Test cabin small cavity design can be quickly evacuated and cooling, reduce liquid nitrogen consumption and avoid mechanical vibration noise interference;Probe and conductive groove on conveying belt are automatically contacted, without manual wiring;The application can efficiently and accurately complete electrical performance test, such as mobility, energy spectrum and current-voltage characteristic of semiconductor material under protective atmosphere or low temperature condition.

The utility model relates to audio frequency line test technical field, specifically disclose a kind of audio frequency patch cord test equipment for the on-off performance of quick detection multi-in-one audio frequency patch cord.Just equipment includes power supply component, power receiving component, test circuit board and reporting device.Power supply component provides test voltage by industrial grade interface;Power receiving component is connected with patch cord output plug by multiple interfaces;Test circuit board is automatically detected by series connection switch each interface on-off state, and reporting device feedback result.Modular design is adopted, interface can be quickly replaced, and maintenance cost is reduced;Fixing base is ensured stability by positioning groove and pressing structure;Case supports quick opening and closing overhaul.Compared with traditional method, the equipment is replaced by special interface with consumer electronics product, avoids plugging loss, and improves efficiency through continuous testing, and is suitable for batch detection scene.

The present invention discloses a device for testing the migration law of hydrates and sulfur particles in a throttling process pipeline, and belongs to the technical field of natural gas hydrate testing. The device includes a natural gas filling system, a sulfur particle filling system, a water filling system, a hydrate preparation system, a gas-liquid-solid phase separation and transportation system, a water bath temperature control system, a transparent testing system, a separation circulation system, a particle tracing image velocimetry system, and a recovery unit. The device uses pressure difference boosting and screw feeding to achieve precise filling of sulfur particles in a pressurized pipeline; a two-stage throttling process design is used to simulate the rapid migration of hydrates and sulfur particles in the upstream and downstream pipelines of a multi-stage throttling valve; and a particle tracing image velocimetry system can be used to test the size morphology, migration trajectory, particle axial displacement speed, and deposition speed of hydrates and sulfur particles and their agglomerates. The device not only supports one-time passing test and circulating flow test of a mixture of hydrates and sulfur particles, but also supports the migration law test of hydrate particles dominated by water or gas.

The application belongs to the technical field of performance testing of rubber and plastic materials, and particularly relates to a device for on-line testing of low-temperature performance of deep-cooled rubber and plastic materials and a control method thereof. The device comprises a rack, conveying chains arranged on the rack, a cold air cylinder and a measuring cylinder. A temperature sensor is arranged in the measuring cylinder. A driving shaft drives the conveying chains to move. The conveying chains are arranged at intervals along the axial direction of the driving shaft. Two ends of the rubber and plastic material are connected to two adjacent conveying chains respectively. The conveying chains comprise a detection section and a rotating section. The cold air cylinder and the measuring cylinder are arranged between the two adjacent conveying chains. The cold air cylinder and the measuring cylinder are arranged on the two sides of the detection section and abut against the two sides of the rubber and plastic material respectively. The device can automatically complete sample feeding, closed refrigeration, measurement and discharging, and realizes on-line continuous and automatic testing of the low-temperature performance of the rubber and plastic material.

The application relates to the technical field of electronic component testing, and specifically provides an electronic component aging test equipment which comprises a supporting seat and a test workbench, the supporting seat is provided with a centrifugal rotating mechanism, and the test workbench is connected to the centrifugal rotating mechanism; a plurality of test stations are arranged on the test workbench, a plurality of connecting terminals are arranged on a single test station, the lower ends of the connecting terminals arranged on the same side are sequentially decreased in height; the lower ends of the connecting terminals of the test stations arranged on the same side and at the same height are electrically connected to a test electric column; the centrifugal rotating mechanism drives the test workbench to centrifugally rotate, so that the gravity acceleration environment in aviation flight can be simulated; the multiple connecting terminals with decreasing heights arranged on the same test station can be connected with multiple test electric columns, so that multiple-pin synchronous testing is realized; the application combines centrifugal rotating dynamic testing, multiple-pin synchronous testing and heat dissipation optimization, and the efficiency and accuracy of the electronic component aging test are significantly improved.

The invention discloses a low-temperature photoluminescence multi-sample test system in the technical field of photoluminescence test.The low-temperature photoluminescence multi-sample test system comprises a lifting table and a supporting plate, the supporting plate is fixedly connected to the top of the output end of the lifting table, the side, away from the lifting table, of the supporting plate is fixedly connected with a rotary drum, and the top of the rotary drum is fixedly connected with a dial; a rotary shaft is fixedly connected to the bottom of the cold head, the rotary shaft penetrates through the scale circular ruler and extends to the bottom of the rotary drum, the scale circular ruler is fixedly connected with the outer wall of the rotary shaft, a sample column is fixedly connected to the bottom of the rotary shaft, and a plurality of fixing positions are fixedly connected to the outer wall of the sample column; the bottom of the rotary drum is detachably connected with a hollow low-temperature sample chamber, the sample column is located in the low-temperature sample chamber, and a plurality of light-transmitting mirrors are arranged on the outer wall of the low-temperature sample chamber. The method is scientific and reasonable, and the sample column capable of rotatably testing a plurality of samples is used in the low-temperature sample chamber, so that the photoluminescence testing efficiency is improved.