949 results about "Test board" patented technology

The invention relates to an SOC chip performance test device, method and equipment and a readable storage medium. In the device, an upper computer is used for sending an excitation instruction to a voltage simulator and sending a test instruction to a signal generator according to a test requirement; the voltage simulator is used for inputting a voltage excitation signal to the test board according to the excitation instruction; the signal generator is used for inputting a test signal to the test board according to the test instruction; the test board is used for conditioning the voltage excitation signal and the test signal and sending a first conditioning signal to the SOC chip to be tested so as to indicate the SOC chip to be tested to respond to the first conditioning signal; the test board is also used for acquiring a response signal returned by the SOC chip to be tested, conditioning the response signal, and returning a second conditioning signal to the upper computer; and the upper computer is also used for analyzing the second conditioning signal to obtain a performance test result. The SOC chip performance test efficiency can be improved.

A lower plunger of a pogo pin according to the present disclosure includes a metal pin and an electro-conductive rubber, and the electro-conductive rubber having a configuration in which a plurality of electro-conductive particles are contained in an elastic insulating material is attached to a lower end of the metal pin to increase a contact area between the lower plunger and a pad of a test board through a surface contact, thereby preventing the occurrence of inductive spikes and thus improving signal quality in a high-speed signal transmission environment.

Disclosed is a test board which includes a substrate that includes a device under test (DUT) placement area where a first DUT and a second DUT are disposed, a first load switch connected in series with the first DUT and configured to be set to a switch on state or a switch off state based on a first enable signal, a second load switch connected in series with the second DUT and configured to be set to the switch on state or the switch off state depending on a second enable signal, and a test controller. The test controller may be configured to perform a test operation in a (1-1)-th mode by activating the first enable signal and deactivating the second enable signal and then perform the test operation in a (1-2)-th mode by deactivating the first enable signal and activating the second enable signal.

A heating element test board and a heating element test system are applied to the technical field of heating element test, and the heating element test board comprises a processor, a communication unit and a heating element test unit. The heating body test unit is used for being connected with a to-be-tested heating body and realizing a preset test function on the to-be-tested heating body; the communication unit is provided with a communication access end and a communication cascade end, and the communication access end is connected with the communication cascade end; the communication access end is used for being connected with a communication end of an upper computer or being connected with a communication end of a heating element test board of a previous cascade, and the communication cascade end is used for being connected with a communication end of a heating element test board of a next cascade; and the processor is respectively connected with the heating body testing unit and the communication unit. The plurality of heating element test boards can be cascaded based on the communication unit, and the plurality of cascaded heating element test boards can be connected and communicated with the upper computer, so that the test efficiency is improved.

The invention provides an optical module test system and method, electronic equipment and a readable storage medium, and is suitable for the technical field of optical communication. The test system comprises at least two test boards, wherein each test board is used for installing a to-be-tested optical module; the testing unit is used for testing the performance of each to-be-tested optical module; the optical switch unit is connected with each to-be-tested optical module and the test unit and is used for controlling the to-be-tested optical module to be communicated with the light source and the test unit to form a test channel; and the control unit is connected with the optical switch unit and the test unit, and is used for controlling the optical switch unit to communicate each to-be-tested optical module with the light source and the test unit to form a test channel based on the acquired test scheme information, so as to test the performance of each to-be-tested optical module and acquire test information corresponding to each to-be-tested optical module. According to the embodiment of the invention, at least two optical modules can be automatically tested, the test efficiency is improved, the labor cost is reduced, and the accuracy of a test result can be ensured.

The invention relates to the technical field of air bearing testing, in particular to an air bearing rigidity testing device and method, and the device comprises a test board, an air bearing installation mechanism, an air film gap adjustment mechanism, a levelness adjustment mechanism and a measurement system. The air bearing mounting mechanism is inversely mounted at the top of the test bench, and a gap detection assembly is arranged on the air bearing mounting mechanism; the air film gap adjusting mechanism is arranged in the test bench and right faces the lower portion of the air bearing installation mechanism. The levelness adjusting mechanism comprises at least three flexible hinges, and the flexible hinges are distributed between the fixing base and the bearing table top in a three-point supporting mode. The measuring system comprises a control unit, and the control unit is integrated with a closed-loop control algorithm and is in communication connection with the gap detection assembly and the gas film gap adjusting mechanism. Through the innovative air film gap adjustment mode, the levelness guarantee structure and the inverted design of the air bearing installation mechanism, micron-sized air film gap control is achieved, and the rigidity testing precision is remarkably improved.

The invention provides a broadcast type multi-board card parallel test method and system, a medium and a product, and relates to the technical field of electronic manufacturing board card testing, and the method comprises the steps: enabling a plurality of to-be-tested board cards to start to execute a target test item at the same time through a broadcast test instruction; the to-be-collected address list of the initial token frame establishes an ordered mechanism of board card access, and the first data segment provides a unified data collection space. In the token frame transmission operation, the first to-be-tested board card executes differentiated token frame processing operation according to the test state of the first to-be-tested board card; the token frame is directly forwarded in an uncompleted state; and in the completion state, writing test completion result data into the first data segment and updating the to-be-collected address list. And when the to-be-collected address list is empty, the tested board cards automatically exit the circulation, the unfinished board cards continue to participate in token transmission until the to-be-collected address list is empty, and the test results of all the board cards are collected into the first token frame. Therefore, a technical problem of low time utilization efficiency in a multi-board-card parallel test process in the prior art is solved.

The embodiment of the utility model provides a test board for a touch drive circuit, and the test board comprises a development board which is connected with a mainboard of a mobile terminal and the touch drive circuit; the development board comprises a downlink interface communication module used for receiving and transmitting the touch signal and obtaining touch point data based on the touch signal, and an uplink interface communication module connected with the mobile terminal mainboard. The downlink data conversion module is used for converting the touch point data into touch point data which can be identified by a mobile terminal mainboard and / or a PC tool; and the uplink data conversion module is used for converting a command or data received from the mobile terminal mainboard and / or the PC tool into an operation time sequence communicated with the touch driving circuit. By means of the test board, the touch signal and the display signal can be separated, and the effect of collecting interference data from the display screen is achieved under the condition that a TPIC driver in the mobile terminal is not updated.

The invention relates to a display screen testing method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: receiving a test instruction for a touch channel of a display screen; determining a test channel of at least one test board card corresponding to the touch channel of the display screen; wherein an information mapping relationship exists between a touch channel of the display screen and a test channel of at least one test board card, the information mapping relationship is determined based on board card combination information, and the board card combination information comprises information of at least one test board card corresponding to the display screen; and based on the test channel of the at least one test board card, converting the test instruction into a test signal, and sending the test signal to a corresponding touch channel. The expansion capability of the test board card can be improved.

The invention relates to the technical field of memory bank testing, in particular to a memory bank aging testing device and method.The memory bank aging testing device comprises a testing box, a testing cavity is formed in the testing box, a testing plate is arranged in the testing cavity, and a memory bank is inserted into the testing plate. A double-shaft motor is matched with an electromagnetic clutch to respectively drive a soaking mechanism and a heat recovery mechanism, a reciprocating screw rod drives an extension box to move up and down in a reciprocating manner, a toothed plate and a driving gear are in meshing transmission, so that a rotating pipe rotates while moving, and a spray pipe forms composite sweeping airflow; dehumidification and regeneration are synchronized through cooperation with continuous rotation of the rotary box, closed-loop air treatment is formed, dynamic and uniform distribution of hot air in the test cavity is achieved, temperature stratification is effectively eliminated, meanwhile, energy consumption is remarkably reduced through waste heat recovery and medium regeneration, and the test efficiency is improved. And high uniformity, high cleanliness and low-energy-consumption operation of a high-temperature aging test environment are guaranteed.

The utility model discloses a photodiode dark current testing device, comprising an LED lamp, a light shield, a dual-channel power supply, a desk type universal meter, a one-chip microcomputer control board and a multi-channel test board, the light shield is covered on the multi-channel test board, the multi-channel test board is provided with PD sockets having the same number as the channels of the multi-channel test board, and the PD sockets are connected with the desk type universal meter. The PD socket is composed of a 4P socket and Y-shaped sockets arranged side by side. After the scheme is adopted, the efficiency is greatly improved through multi-channel testing, and the vertical pins can be automatically tested through the design of the Y-shaped socket.

The utility model discloses a gel pillow elasticity testing device, which comprises a test board, a pressing test structure and two groups of stress detectors, a test board is arranged on the two groups of stress detectors, limiting mechanisms for limiting a gel pillow are arranged at the front end and the rear end of the top of the test board, and two groups of brackets are arranged on the outer walls of the two sides of the test board. A top plate is connected to the four supports, an adjusting part for adjusting the front-back position of the downward-pressing testing structure is arranged on the left side of the upper surface of the top plate and comprises a U-shaped moving box, the opening end of the U-shaped moving box right faces the top of the top plate, the U-shaped moving box is slidably connected with the top plate, and a connecting rod is installed at the top of the U-shaped moving box. According to the gel pillow elasticity testing device, the adjusting part can adjust the front-back position of the pressure applying instrument on the pressing testing structure, elasticity testing can be conducted on different positions of the irregular face of the gel pillow, the accuracy of the elasticity testing of the gel pillow is improved, the gel pillow can be limited through the limiting mechanism, and the gel pillow is prevented from deviating in the pressing testing process.

The utility model discloses an electronic product anti-falling performance testing device, which relates to the technical field of electronic product testing and comprises a shell, a height adjusting assembly is mounted on the shell, a clamping assembly is mounted on the height adjusting assembly, and the clamping assembly is used for fixing an electronic product. A bearing part is installed in the lower end of the rear side of the shell through a bearing, a plurality of test plates are rotatably installed on the bearing part at equal angles through torsional springs, a driving part is installed between the lower portion of the bearing part and the shell and used for driving the bearing part to rotate, and a jacking part is installed in the lower end of the shell and used for jacking the bearing part to rotate. And the jacking piece is used for driving the test plate positioned above the jacking piece to turn over. According to the anti-falling performance testing device for the electronic product, different types of grounds are simulated through different testing plates, so that various possible falling ground environments of the electronic product in the actual use process are more comprehensively simulated, and the tested materials are conveniently collected.

The invention provides a tension testing device. The tension testing device has a first direction, a second direction and a third direction which are perpendicular to one another in pairs; the tension testing device comprises a test board, a limiting piece, a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is used for adjusting the position of the to-be-tested product in the first direction, and the second adjusting assembly is used for adjusting the position of the to-be-tested product in the second direction; the limiting piece is fixedly connected with the test board, and the second adjusting assembly is fixedly connected with the test board; the first adjusting assembly comprises a first connecting piece and a first adjusting mechanism; one side, close to the first adjusting mechanism, of the first connecting piece is a first inclined surface with an inclination angle, and the other side is used for being in contact with the to-be-tested product; the first adjusting mechanism abuts against the first inclined face and is movably connected with the limiting piece. The combination of the limiting member, the first adjusting assembly and the second adjusting assembly can accurately adapt to the positioning requirements of to-be-detected products of different specifications, effectively limit the deviation of the to-be-detected products, and improve the accuracy of the detection result.

The utility model discloses a battery core internal resistance test tool comprising a limiting assembly and a test assembly which are arranged vertically. The testing assembly comprises a telescopic air cylinder, a first sliding rail, a testing pen and a meter pen positioning block detachably connected with the testing pen, the meter pen positioning block is in sliding connection with the first sliding rail, and the telescopic air cylinder is arranged in the middle of the first sliding rail; the limiting assembly comprises a second sliding rail and a test board connected with the second sliding rail in a sliding mode, and the test pen is arranged towards one side of the test board. According to the utility model, problems of low test efficiency and insufficient test precision in a cell internal resistance test process are solved.

The utility model discloses a shower head function conversion service life testing device, and relates to the technical field of shower head quality testing. The shower head function conversion service life testing device comprises a testing table, two fixing plates are oppositely fixed to the top of the testing table, a reciprocating lead screw is arranged between the two fixing plates, a T-shaped block is arranged on the reciprocating lead screw in a threaded mode, a rack is fixed to the top end of the T-shaped block, a vertical plate is fixed to the side, away from a shower head connector, of the top of the testing table, and a rotating rod is rotationally arranged on the vertical plate. A gear is arranged on the rotating rod, the gear is meshed with the rack, an adjusting assembly is arranged on the rotating rod, a connecting rope is connected to the adjusting assembly, a clamping piece is connected to the movable end of the connecting rope, a function conversion shifting block of a tested shower head can be clamped conveniently, and meanwhile the function conversion shifting block can be clamped by combining the meshing effect of the rack and the gear under the threaded fit of the T-shaped block and the reciprocating lead screw. And the clamping piece can be conveniently adjusted to do arc reciprocating motion, so that the function conversion shifting block of the shower head can be shifted in a reciprocating manner, and the stable development of the test operation is ensured.

The utility model discloses a kind of high-precision new energy battery cap testing device, including device main body, the upper end of device main body is positioned with test seat, the upper end of test seat is positioned with support rod in four corners, the upper end middle part of test seat is installed with test plate, the top of support rod is fixed with top seat, the lower end middle part of top seat is installed with lifting cylinder, the bottom of lifting cylinder is installed with test disc, the bottom of test disc is provided with sharp probe assembly, the upper end middle part of test plate is provided with test groove, test disc is located just above test groove. The utility model discloses a kind of high-precision new energy battery cap testing device, adopt sharp probe to replace round head probe, high-carbon steel matrix structure is arranged inside, and surface is plated nickel layer, sharp probe under the action of pressure, form multiple dispersed contact points, improve resistance misjudgment rate, improve test stability, increase probe life, reduce test cost.

The utility model relates to the technical field of breaking force testing clamps, in particular to a buckle type breaking force clamp which comprises a test board, a lower clamp and an upper clamp, the lower clamp is placed on the upper surface of the test board, an object containing groove is formed in the upper surface of the lower clamp, a lower fixing block is arranged on one side of the object containing groove, and a lower moving block is arranged on the other side of the object containing groove. One ends of the lower moving blocks are jointly connected with a first sliding block, a first lead screw is arranged on one side of the lower clamp, an upper fixing block is arranged on the lower surface of the upper clamp, a second sliding block is connected into the upper clamp in a sliding mode, the second sliding block is fixedly connected with an upper moving block, a filling block is arranged between the upper fixing block and the upper moving block, and a second lead screw is connected to one side of the second sliding block in a threaded screwing mode. By arranging the adjustable lower clamp and the adjustable upper clamp, the width of the storage groove can be flexibly adjusted so as to adapt to the widths of LED supports of different models, the whole clamp does not need to be frequently replaced, the number of clamps needing to be arranged is reduced, and the clamp arrangement cost is reduced.

The utility model relates to encoder test board technical field, concretely is encoder test board, the utility model discloses, including the casing, the surface of casing installs support frame, the surface of support frame installs encoder mounting seat, the surface of encoder mounting seat installs first encoder, the surface of casing installs code wheel mounting seat, the surface of code wheel mounting seat installs encoding wheel, installs the bearing in the casing, installs the axle in the casing, the surface of axle installs lock nut, the surface fixedly connected with two fixed plates of encoder mounting seat, one side fixedly connected with two springs of fixed plate. Solveed staff when installing first encoder, cannot accurate first encoder place to the central of encoder mounting seat, lead to staff when installing first encoder to need to spend long time to cause staff installation efficiency lower problem.

The utility model relates to a vacuum pump testboard, which belongs to the technical field of automobile vacuum pump testing, and comprises a testboard and a protective box, and a testing mechanism for testing the pumping efficiency of a vacuum pump is arranged outside the testboard; the testing mechanism comprises a hydraulic cylinder fixedly connected to the top of the protection box, an output shaft of the hydraulic cylinder is fixedly connected with a gas storage box, a gas flowmeter is installed on the outer side of a gas outlet pipe, limiting rods are fixedly connected to the periphery of the top of the testing table, and sliding blocks are fixedly connected to the left side and the right side of the gas storage box correspondingly. The sliding block is slidably connected with the limiting rod, and the middle part of the top end of the test bench is fixedly connected with a positioning groove. According to the vacuum pump test bench, the function of testing the pumping efficiency of the vacuum pump is realized, and the influence of different parameter settings on the performance of the vacuum pump is analyzed by testing the pumping efficiency, so that the optimal working parameter combination is found, the vacuum pump operates in the optimal state, the service life of the vacuum pump is prolonged, and the working effect of the vacuum pump is improved.

The utility model provides a clamp for testing a surface-mounted filter. The clamp comprises a first metal block, a second metal block, a flexible metal belt, a flexible conductive adhesive tape, a first test board, a second test board and a probe, the first metal block can be far away from or close to the second metal block, a flexible metal belt is arranged between the first metal block and the second metal block, and a first test plate and a plurality of probes arranged along the Y axis are sequentially arranged on the first metal block along the X axis; a flexible conductive adhesive tape, a plurality of probes arranged along the Y axis and a second test plate are sequentially arranged on the second metal block along the X axis, and each probe is communicated with the test plate at the corresponding position. According to the utility model, through the arrangement of the above structure, each probe can abut against all pins of the surface-mounted filter, so that two rows of pins at two sides of the surface-mounted filter are in close contact and signal conduction with the test plates at corresponding positions, and high-efficiency and high-quality testing of the surface-mounted filter through the clamp is realized.

The utility model discloses a testing device for realizing hot plug of a plurality of PCIE (Peripheral Component Interface Express) devices, and relates to the technical field of testing. The test device comprises a server and a switching test board, the server is connected with the switching test board, the switching test board is provided with a plurality of PCIE card slots and a power supply module, the switching test board is connected with the power supply module, the power supply module is connected with the PCIE card slots, the PCIE card slots are used for being connected with a to-be-tested card, and the to-be-tested card is connected with the to-be-tested card. The switching test board can control the power supply module to supply power to the PCIE card slots or cut off the power supply of the PCIE card slots, the plurality of PCIE card slots are formed in the switching test board, and power is independently supplied to each PCIE card slot, so that hot plugging of a to-be-tested card can be realized, namely, the to-be-tested card can be replaced for testing under the condition that a server system does not need to be restarted, and the test efficiency is improved. The test efficiency is greatly improved, and time waste caused by restarting of the server is avoided.

The invention discloses a cigarette test bench error correction method and device, a medium and a program product, and relates to the technical field of measurement error correction. The cigarette test bench error correction method comprises the following steps: acquiring a repeatability index, a system bias value and a measurement error distribution characteristic of a current error to-be-compensated test bench; determining a stability index according to the measurement stability analysis experiment data, and determining a reproducibility index according to the filter stick measurement reproducibility experiment data; according to the repeatability index, the system bias value, the measurement error distribution characteristic, the stability index and the reproducibility index, determining key factors of performance degradation of the test board; and compensating the current measured value of the current error to-be-compensated testboard based on the testboard performance degradation key factors and the error compensation model. According to the technical scheme of the embodiment of the invention, the auditing standards of new and old cigarette test benches can be unified, and the error correction effect of the cigarette test bench can be effectively improved.

A spring fatigue testing mechanism comprises an equipment base, a lead screw, a lead screw disc, a pull rod, a pressing wheel, a cam and a cross beam, a testing table is arranged in the equipment base, the rear portion of the testing table is fixedly connected with a protection table, the interior of a protection beam is fixedly connected with a protection shell shaft rod, and the protection table is matched with the protection shell shaft rod and connected with the protection shell shaft rod. The upper portion of the protective beam is fixedly connected with the protective observation cover, the upper portion of the protective observation cover is provided with a handle, the side portion of the test board is fixedly connected with the supporting block, the front portion of the protective observation cover corresponds to the supporting block in position, the test board is matched with the test support, the test board is connected with the test support, and the test support slides in the test board. The interior of the test board is fixedly connected with the lead screw seat.

The invention discloses an accurate measurement device and method based on water tunnel flow field resistance, and relates to the technical field of flow field medium measurement. Comprising a working section and a test board. The working section is internally provided with a testing assembly for testing the flow field medium resistance of the testing plate; the test assembly comprises a fixed plate; sensor fixing seats are symmetrically and fixedly connected to the fixing plate, force sensors are fixedly connected to the sensor fixing seats, and the force sensors are used for detecting the force values of a flow field medium in the working section acting on the X-axis direction and the Y-axis direction of the testing plate; the force sensors are fixedly connected with connecting plates. An adjusting assembly used for adjusting the height of the testing plate is arranged between the testing plate and the connecting plates. The force measuring directions of the Y-axis directions of the adjacent force sensors are opposite, and the force value output by the S-shaped force sensor is the resultant force of the X-axis direction and the Y-axis direction; the horizontal resistance of a flow field medium borne by the test plate can be accurately measured, meanwhile, the pressure difference interference force in the vertical direction is effectively counteracted, and the resistance test precision and stability are improved.

The utility model discloses a programmable logic device test experiment device, which relates to the field of logic device test experiments and comprises a replaceable FPGA test circuit, a phase-locked loop test circuit, a pulse width modulation test circuit, a chip power supply circuit, a serial port test circuit, a Bank area power supply test circuit, a power supply generation circuit and a liquid crystal display control circuit. According to the experimental device for testing the programmable logic device, through a mode of combining the liquid crystal display screen and the FPGA function test board, a large-scale test machine in traditional test equipment is omitted, so that a test system is more portable, comprehensive coverage test of FPGA chip functions can be realized through compiling a plurality of self-test programs, and the test efficiency is improved. Therefore, not only can the basic logic function of the FPGA be tested, but also the advanced characteristics and boundary conditions of the FPGA can be deeply verified, so that the function correctness of the FPGA chip can be more comprehensively ensured.

This application discloses a calibration method, apparatus, electronic device, and storage medium for a circuit board exposure machine, relating to the field of circuit board manufacturing. According to a first aspect of this application, a calibration method for a circuit board exposure machine is proposed, applied to a circuit board exposure machine including a camera, a platform, and a digital micromirror. The method includes: moving the camera based on a standard target point on a test board to calibrate the camera; moving the platform based on the standard target point to calibrate the platform; acquiring a first exposure result from the digital micromirror and calibrating the digital micromirror based on the first exposure result; acquiring a second exposure result from the digital micromirror and calibrating the circuit board exposure machine based on the second exposure result. The circuit board exposure machine calibration method according to the first aspect of this application allows for step-by-step inspection of each key component of the circuit board exposure machine, enabling rapid identification of problematic components and reducing repair time.

The utility model belongs to the test technical field provides a kind of test tool for testing mechanical timer, it includes: test board, several positioning posts are arranged on it, positioning post is used to limit the timer to be detected relative test board movement;Guide mechanism is set on test board, guide mechanism includes several pins, pin can reciprocate along vertical direction, and movable contact in timer, for detecting the timing time of timer.Compared with prior art, the utility model has the advantages that by the cooperation design of adjusting part and fixed pressing plate, pin always stably contacts timer during testing, avoids misjudgment or missed detection caused by poor contact, ensures the accuracy and consistency of test result, improves the convenience of operation and test efficiency at the same time;Meanwhile, adjusting part can be flexibly adapted to different specifications of timer product, has good versatility and expansibility, suitable for batch detection of multiple models of mechanical timer.

The invention relates to the technical field of adjusting valve testing, in particular to an adjusting valve performance test board which comprises a base frame, a test platform, a positioning assembly and a test assembly. The base frame is of a rectangular frame structure, the interior of the base frame is of a hollow structure, and cabinet doors are symmetrically installed at the front end of the base frame; a testing platform is fixedly installed at the upper end of a base frame, a positioning assembly is installed in the middle of the upper end of the testing platform, a regulating valve is placed on the positioning assembly, testing assemblies are symmetrically installed on the left side and the right side of the upper end of the testing platform, and the two testing assemblies can synchronously move inwards to conduct sealing testing on the end of the regulating valve. According to the invention, the test module and the endoscopic visual diagnosis module are integrated into a whole, and after conventional air tightness, compression strength and flow characteristic tests are completed, a built-in detection unit can directly go deep into a valve cavity to carry out high-definition visual inspection on key components such as a valve core, a valve seat and the like without dismounting the valve.