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46results about How to "Realize intelligent testing" patented technology

Mobile terminal software test system and method

The invention provides a mobile terminal software test system. The system comprises a Web server which is connected with a database, a file server and a test server, and the Web server is provided with a built test module, a test list module and a test report display module; an uploading area and a test parameter configuration area are arranged on the built test module, a software installation package is uploaded to the file server through the uploading area by a user, and the Web server analyzes and obtains information of the uploaded software installation package and uploads the information to the database; test parameters needed by a software installation package test task are set through the test parameter configuration area by the user and uploaded to the database; the test list module acquires the testing progress of the software installation package and the general situation of the test result by having access to the database; the test report display module acquires specific test data by having access to the database, performs data summarization and display, and performs graph drawing so that intelligent tests can be achieved. The invention further provides a mobile terminal software test method.
Owner:GUANGZHOU JIUBANG DIGITAL TECH +1

Device and method for testing dielectric loss of high voltage transformer

The invention discloses a device and method for testing dielectric loss of a high voltage transformer, solving the problem that pressurization of high voltage test is difficult, and dielectric loss test of the high voltage transformer of 500 KV can not be finished in the prior art. The device for testing the dielectric loss of the high voltage transformer comprises a frequency conversion circuit (1), a control circuit (2), a booster transformer (3), a series resonance inductor L (4) and a schering bridge (5), wherein two output ends of the frequency conversion circuit (1) are electrically connected with two input ends of the booster transformer (3), one output end of the booster transformer (3) is electrically connected with one end of the series resonance inductor L (4), the other output end of the booster transformer (3) is grounded, and the other end of the series resonance inductor L (4) is respectively connected with the schering bridge (5) formed by a standard capacitor (7), a tested high voltage transformer (8), a non-inductance fixed resistance R4, an adjustable capacitor C4 and a non-inductance adjustable resistance R3 so as to realize scientific test of the dielectric loss of the high voltage transformer, wherein the non-inductance fixed resistance R4, the adjustable capacitor C4 and the non-inductance adjustable resistance R3 are connected in parallel.
Owner:STATE GRID CORP OF CHINA +1

Method for testing bus interface on PCIE (Peripheral Component Interface Express) slot of host and read-write test method thereof

The invention discloses a method for testing a bus interface on a PCIE (Peripheral Component Interface Express) slot of a host, which is characterized in that a PCIE test tool is used for testing the bus interface on the PCIE slot of the host. The test method comprises the following steps of: setting the initiation of the PCIE test tool as a master equipment mode, and setting other equipment on a bus of the PCIE slot of the host as slave equipment; sequentially scanning the slave equipment on the bus of the PCIE slot of the host through the PCIE test tool; judging whether the slave equipment correctively responding to the visit of the PCIE test tool is present; if yes, ending the test; and if no slave equipment on the bus correctively responds to the visit of the PCIE test tool, reporting an error and quitting the test. The test method can enhance the accuracy, the stability and the reliability of the bus interface on the PCIE slot of the tested host remarkably.
Owner:INVENTEC CORP

Intelligent testing platform of comprehensive performance of electric push rod and testing method of intelligent testing platform

The invention discloses an intelligent test platform for the comprehensive performance of an electric push rod, which comprises a bottom plate and a guide rail. Two guide rails are fixedly connected to the bottom plate in parallel, wherein a zero point is set on the right end of one of the guide rails, and a zero point is fixedly connected to the left end of the guide rail. Standing plate, the right end of the guide rail is provided with a servo motor fixing seat, the left side of the servo motor fixing seat is provided with a bearing seat, and a bearing is installed in the bearing seat, and the servo motor fixing seat and the bearing seat are respectively fixedly connected to the base plate , a servo motor is fixedly connected to the right side elevation of the servo motor fixing base, a lead screw is fixedly connected to the power output shaft at the left end of the servo motor, and the lead screw runs through the bearing and the sliding table in the bearing seat, and the left end It is movably connected on the side elevation of the vertical board; the invention also discloses a testing method of an intelligent testing platform for the comprehensive performance of the electric push rod. The invention has high efficiency, multiple functions, low cost, stable performance, good market prospect and is suitable for popularization and use.
Owner:CHANGZHOU COLLEGE OF INFORMATION TECH

Intelligent test device for small-sized mechanical water meter

The invention relates to an intelligent test device for a small-sized mechanical water meter. The intelligent test device mainly comprises a plunger pump, a pump water inlet pipeline, a filter, a water tank, a frame, a temperature sensor, a return pipeline, a flow sensor, a control system, a fixed interface, a video support, a reverse moving workbench, the water meter, a video moving workbench, a hollow axial movable motor, a video head, a replaceable V-shaped block, a replaceable connection head, a pressure sensor, a hydraulic transition connection part, a hydraulic cylinder, a round guide rail device, an electric push rod, a hydraulic system and a water inlet pipeline. Detection positioning of the water meter can be achieved through a positioning regulation device, and clamping and sealing of the water meter are achieved through the hydraulic device. By means of a water supplying and filtering system, water is supplied to the water meter while cycling use of water of the water meter is detected. The value of the water amount of the water meter can be read through videos by means of a position-adjustable visual system, and a precise flow meter and a pressure sensor provide standard data and feedback signals for a system, precise and intelligent tests on pressure, flow and flow precision of the water meter can be achieved through a computer control system, and test intelligentization of the water meter is achieved.
Owner:SHANGHAI UNIV OF ENG SCI

Connection detection device of dielectric strength tester and connection detection method thereof

The invention discloses a connection detection device of a dielectric strength tester and a connection detection method thereof. The connection detection device of the dielectric strength tester comprises an impedance detection module, a programmable logic gate, a microprocessor and a high-voltage output module. The impedance detection module is used for detecting electrical connection between the connection detection device of the tester and a product to be detected and generating pushing signals. The microprocessor is used for receiving signals of the programmable logic gate and controlling the high-voltage output module according to connection conditions between the connection detection device of the tester and the product to be detected. The connection detection method can monitor whether the contact between the product to be detected and the connection detection device of the tester is reliable during the whole test, and test quality of the product to be detected is ensured. The connection detection method is performed by fully ensuring that the product to be detected is in a good connection state, and accuracy of the final test results can be ensured.
Owner:东莞帝佑仪器有限公司

Multi-angle testing device and operation method thereof

The invention discloses a multi-angle testing device and an operation method thereof. The device comprises a first fixing ring and a second fixing ring which are arc-shaped and oppositely arranged, and waist-shaped grooves are arranged in the middle parts of the arc shapes, wherein a roller is arranged at one end of each of a first clamp and a second clamp; the rollers are positioned in the waist-shaped grooves; locking mechanisms are arranged on clamps beside the rollers; the other end of each of the first clamp and the second clamp is used for compressing a to-be-tested test piece; a rod type driving machine is connected between the first clamp and the first fixing ring; an angle sensor is mounted between the first clamp and the second fixing ring; connecting columns are connected to the outer sides of the arc shapes of the first fixing ring and the second fixing ring. The device is complete in functions, simple to assemble, and capable of realize intelligent testing and stepless adjustment; the adhering intensity of the interface of a solid rocket motor can be completely and accurately tested; the device and the testing method are used repeatedly in interface adhering performance monitoring and evaluation of a plurality of products, and good results are obtained.
Owner:HUBEI SANJIANG AEROSPACE JIANGHE CHEM TECH

Projector optical machine test system and method

The invention discloses a projector optical machine test system and method. The projector optical machine test system comprises a test terminal, an optical machine test platform and a data acquisitionburning board, wherein the test terminal is configured to output a duty ratio modulation signal during testing; the optical machine test platform is configured to place a projector optical machine tobe tested, and drive the projector optical machine to be tested to work according to the duty ratio modulation signal; the data acquisition burning board is configured to obtain a current brightnessvalue and a chromatic value of the projector optical machine to be tested, and the duty ratios of red, green and blue three-color LEDs in the projector optical machine under current brightness, and determine that the duty ratios of the red, green and blue three-color LEDs are set correctly when the current brightness value matches with a preset brightness value, and the projector optical machine does not generate color cast; and the test terminal is further configured to record the duty ratios of the red, green and blue three-color LEDs under the current brightness, and burn the duty ratios toa memory of the projector optical machine to be tested through the data acquisition burning board. In the invention, intelligence of projector optical machine testing is increased, manual operation is not needed, and problems that the intelligence of the projector optical machine testing is low and an operator operates inconveniently, and a recording error is easy to occur are solved.
Owner:GOERTEK OPTICAL TECH CO LTD

Fuse testing equipment

The invention provides fuse testing equipment. The equipment comprises a rack, a transmission mechanism arranged on the rack and a pin and appearance detection mechanism, a resistance detection mechanism, a laser mechanism, a laser detection mechanism and a qualified product blanking mechanism which are arranged in a transmission direction of the transmission mechanism in sequence, wherein an unqualified product box unit is arranged on the outer side of the laser mechanism. The transmission mechanism transmits fuses forwards, the pin and appearance detection mechanism detects whether or not pin angles of the fuses are correct, whether or not each two pins are in parallel and whether or not appearance dimensions are in set ranges, the resistance detection mechanism conducts testing on resistance, the laser mechanism conducts laser marking on an end cover of one end of each fuse, then the laser detection mechanism detects marking, the qualified fuses are subjected to blanking of the qualified product blanking mechanism, while the unqualified fuses enter the unqualified product box unit. Fuse pin and appearance detection, laser marking and marking detection are automatically conducted, intelligent testing of the fuses is achieved, testing is convenient and efficient, and manpower is saved.
Owner:JIANGSU CHUANGYUAN ELECTRON CO LTD

Bluetooth equipment testing method, device and equipment and storage medium

The embodiment of the invention discloses a Bluetooth device testing method, device and system and a storage medium. The method comprises the following steps: scanning test equipment for sending Bluetooth broadcast information within a first preset time after power-on; when the test equipment is scanned, executing a corresponding test process according to the received Bluetooth broadcast information; obtaining an execution result of executing the test process by the Bluetooth device; and determining a test result of the Bluetooth device according to the execution result. According to the technical scheme of the embodiment of the invention, the intelligent test of the connection function and performance of the plurality of Bluetooth devices through one test device is realized, the test process of Bluetooth device product test is simplified, the test efficiency is improved, and the test cost is reduced.
Owner:SHANGHAI MXCHIP INFORMATION TECHN

Projector optical machine test system and method

The invention discloses a projector optical machine test system and method. The projector optical machine test system comprises a test terminal, an optical machine test platform and a data acquisitionand burning plate; the test terminal is configured to output a current control signal while testing; the optical machine test platform is configured to place a projector optical machine to be tested,and drive the projector optical machine to be tested to work according to the current control signal; the data acquisition and burning plate is configured to obtain the current brightness value of the projector optical machine to be tested and the current value of red, green and blue LEDs in the projector optical machine under the current brightness, and determine that the current of each LED isset correctly when the current bright values of the red, green and blue LEDs are matched with the pre-set brightness value; and the test terminal is also configured to record the current value of thered, green and blue LEDs under the current brightness, and burn into the storage of the projector optical machine to be tested through the data acquisition and burning plate. By means of the projectoroptical machine test system and method in the invention, the test intelligence of the projector optical machine is improved; manual operation is unnecessary; and the problems that the projector optical machine is low in test intelligence, inconvenient to operate by an operator and easy to have clerical error can be solved.
Owner:GOERTEK OPTICAL TECH CO LTD

Method for automatically measuring DC voltage conversion efficiency

The invention discloses a method for automatically measuring DC voltage conversion efficiency. The specific realization process is as follows: acquiring voltages of a DC voltage conversion circuit board through a data collector, then a personal computer (PC) controlling a programmable electronic load to automatically perform loading and unloading, controlling the data collector to automatically store data and feeding measuring data back to the PC timely through a GPIB bus, and after a test ends, automatically generating an efficiency curve in the PC. Compared to the prior art, the method for automatically measuring the DC voltage conversion efficiency can measure the DC voltage conversion efficiency more efficiently and accurately, simplifies the test process, improves the work efficiency and reduces the workload of test engineers. At the same time, the test precision is improved, and the test data is more accurate.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Power supply system for product aging and reliability tests

The invention relates to the technical field of power supplies. The power supply system for the product aging and reliability test comprises an upper computer monitoring system, a power supply voltageoutput circuit, a power supply power detection circuit, a fault protection circuit and an MCU control circuit, and the upper computer monitoring system is used for displaying faults of a tested instrument and setting test parameters of the tested instrument; the power supply voltage output circuit provides a power supply for the tested instrument, the power supply power detection circuit is usedfor detecting the power supply power of the tested instrument, and when the MCU control circuit detects that the tested instrument has a fault, the power supply voltage output circuit is disconnectedthrough the fault protection circuit. According to the invention, various severe power supply voltages which are connected to a power supply port in series in an industrial field are simulated, powersupply performance aging and reliability tests are carried out through the method, faults of a tested instrument power supply part caused by external high-pulse voltage interference can be improved, and reliability and stability of the tested instrument power supply part are improved.
Owner:NANJING NEW POWER ELECTRIC

Nuclear power plant first generation electronic actuator electronic card sensitive component testing system and method

The present invention relates to a nuclear power plant first generation electronic actuator electronic card sensitive component testing system and method. The testing system comprises a front control device, an AC signal device, an acquisition control device, an acquisition adaption device, and a DC signal device. The front control device receives different testing cases and analyzes each testing case into different control commands. The AC signal device sends an AC testing signal to the acquisition control device. The DC signal device sends a DC testing signal to the acquisition control device. The acquisition control device sends the AC testing signal and the DC testing signal to the acquisition adaption device. The acquisition adaption device adjusts the AC testing signal and the DC testing signal and outputs the signals to an electronic actuator card for testing, and a tested feedback signal is processed and uploaded to the front control device. According to the technical scheme of the invention, the problems that an electronic actuator fault exposed in a matching testing process can not be precisely positioned by using existing technical means and the testing efficiency is low are solved.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION +2

Photoelectric sensor intelligent test system used in space

InactiveCN110260886AImprove efficiencyRealize full-featured performance automated testingMeasurement devicesSerial portTest facility
The invention discloses a photoelectric sensor intelligent test system used in a space. The system comprises a CPU information processing storage module, a function board card module, a photoelectric sensor and a photoelectric sensor component. Through arranging the CPU information processing storage module and the function board card module, interfaces of 422 serial port, a second pulse, LVDS communication, 1553B communication, Cameralink communication and the like are integrated, and a problem that a traditional industrial personal computer needs to assemble multiple board cards so that test equipment is built complexly and cost is high is solved. Through arranging the function board card module and the photoelectric sensor, according to test requirements, a test excitation file only needs to be input, a product test can be automatically completed, and a test result is output. A pre-arranged plan is set for a possible fault of a product and the product is protected from being damaged. A fully autonomous and intelligent test of a photoelectric sensor environmental test is used to automatically record an abnormal phenomenon during a product test process.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST

Monitoring method and system for battery testing workshop

The invention discloses a monitoring method and system for a battery testing workshop. According to the monitoring method and system of the invention, an AGV dispatching server obtains the state information of an AGV; a pre-charging server acquires the state information of a pre-charging cabinet; a capacity division server obtains the state information of a capacity division cabinet and the capacity information of a battery which is recognized by the capacity division cabinet; an MES server determines whether the pre-charging of the battery is completed according to the state information of the pre-charging cabinet; when the pre-charging of the battery is completed, the MES server dispatches the AGV to carry the battery to a next test flow; the MES server judges whether the capacity division of the battery is completed according to the state information of the capacity division cabinet and the capacity information of the battery which is recognized by the capacity division cabinet; andwhen the capacity division of the battery is completed, the MES server dispatches the AGV to carry the battery to a next test flow. According to the monitoring method and system for the battery testing workshop of the invention, the MES server is adopted to achieve intelligent testing of the battery and the test state monitoring of the battery, and therefore, manual control can be replaced, and the test efficiency of the battery can be improved.
Owner:安徽谦如智能科技有限公司

Integrated circuit test method and system

ActiveCN111751702AAdvanced Test PurposeEfficient Test BehaviorElectronic circuit testingManufacturing computing systemsTest specificationReal-time testing
The invention discloses an integrated circuit test method and system. The test method comprises the following steps: testing a plurality of integrated circuits by adopting test configuration to obtaintest data; and obtaining test results of the plurality of integrated circuits according to the test data, in the test step, the test configuration is changed in real time according to change conditions related to the test data, and the test configuration specifies at least one test item and test excitation and test specifications corresponding to the at least one test item. A large amount of real-time test data is analyzed; according to the test configuration and the change conditions of the test configuration, on the basis of maintaining the basic test configuration, part of test items or test incentives or test specifications are changed in real time, and multiple test schemes can be implemented without upgrading the test configuration through a change process, so that more efficient test behaviors are supported, and the purpose of intelligent test is achieved.
Owner:HANGZHOU XINXUN TECH CO LTD

Intelligent test system based on logic simulation model

ActiveCN110297756AAddressing Redundancy for Normal Operating ConditionsSolving inefficienciesSoftware testing/debuggingTest efficiencyLogic simulation
The invention discloses an intelligent test system. The intelligent test system comprises a simulation model for receiving an input part of a test case set by a user and running a simulation model ofcalculation logic of the test case, an input data execution device for inputting the input part of the test case into the to-be-tested product to enable the to-be-tested product to operate normally, and a verification module for comparing the operation results of the simulation model and the to-be-tested product and obtaining a test conclusion. The intelligent test system can achieve intelligent testing, and can greatly improve the testing efficiency.
Owner:GREE ELECTRIC APPLIANCES INC

Machining error statistical analysis device

The invention discloses a machining error statistical analysis device. The device selects sample capacity, adopts a displacement sensor and a high-precision digital caliper to measure the original sizes of all samples, and develops a data processing system through an analog quantity input module and software to realize data acquisition, processing and drawing of a distribution diagram. The devicejudges the machining error property, determines the process capability and the grade thereof, estimates he qualified rate and the unqualified rate, and draws a point diagram. Upper and lower control boundary lines and two limit dimension lines in the point diagram can be used as reference boundaries for controlling unqualified products. Finally, related items are printed through a printer. The device has the beneficial effects of accurate data measurement, high calculation result precision and high curve drawing speed. The statistical analysis efficiency of the machining error can be greatly improved. The intelligent test of the statistical analysis of the machining error is realized.
Owner:QINGDAO AGRI UNIV

Test system and method for sensitive component of electronic clamping piece of second-generation electric head of nuclear power plant

The invention relates to a test system and method for a sensitive component of an electronic clamping piece of a second-generation electric head of a nuclear power plant. The test system comprises a front control device, an alternating-current signal device, an acquisition control device, an acquisition adaptation device and a direct-current signal device, wherein the front control device receives different test cases and analyzes the test cases into different control commands; the alternating-current signal device sends an alternating-current test signal to the acquisition control device; the direct-current signal device sends a direct-current test signal to the acquisition control device; the acquisition control device sends the alternating-current test signal and the direct-current test signal to the acquisition adaptation device; and the acquisition adaptation device conditions the alternating-current test signal and the direct-current test signal, outputs the conditioned alternating-current test signal and direct-current test signal to the clamping piece of the electric head to perform testing, processes a feedback signal of testing and uploads the feedback signal to the front control device. According to the technical scheme, the problems of incapability of accurately positioning an electric head fault occurring in a machine testing process by utilizing existing technical means, low test efficiency and the like are solved.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION +2

Test method, device, system, readable storage medium and electronic terminal

The invention provides a test method, a device, a system, a readable storage medium and an electronic terminal. The test method comprises the steps that firstly, a test program is acquired; secondly,the test program is run according to the test command; according to the running of the test program, a lock instruction is sent to lock to be tested so that the lock operation can be operated by the lock to be tested according to the lock instruction, and the locking instruction is sent to a mechanical arm control module so that the mechanical arm can be controlled to conduct a locking act according to the locking instruction, and thus locking operation can be conducted on a vehicle lock. According to the test method, the device, the system, the readable storage medium and the electronic terminal, the intelligent test for a lock to be locked is realized, and convenience and high efficiency are achieved.
Owner:SHANGHAI JUNZHENG NETWORK TECH CO LTD

Battery test workshop monitoring system

The invention discloses a battery test workshop monitoring system, comprising an MES server, an environment sensing unit, a pre-charging zone server, an aging zone master controller, a demarcation zone server and an AGV scheduling server, wherein the output end of the environment sensing unit is connected with the input end of the aging zone master controller, and the pre-charging zone server, theaging zone master controller, the demarcation zone server and the AGV scheduling server are respectively connected with the MES server. The MES server serves as a main control center of a test workshop, and is combined with the environment sensing unit, the pre-charging zone server, the aging zone master controller, the demarcation zone server and the AGV scheduling server to implement intelligent test on a battery. Under the control of the MES server, each zone is tested, and the test data is uploaded to the MES server via a network, so that the test status of the battery is monitored, and the battery is tested in a suitable and safe environment. By recording the test data, the monitoring system replaces the manual operation and improves the test efficiency on the battery.
Owner:安徽谦如智能科技有限公司

System and method for detecting non-defective products of integrated circuits

ActiveCN109283451AOvercome the problem of requiring a large number of IO portsShorten test timeElectronic circuit testingTest efficiencyMultiplexing
The invention belongs to the technical field of chip testing, and specifically provides a system and method for detecting non-defective products of integrated circuits. The system and method are usedfor realizing intelligent testing for multiple chips. The system comprises a control device, a display device, a decoder and a plurality of chips to be tested, wherein the display device is connectedwith the control device and used for displaying a detection result; chip selection signal ports of the plurality of chips to be tested are connected to the control device through the decoder, and a clock interface and data transmission interfaces of each chip to be tested are correspondingly connected to the identical interfaces of the control device. The system adopts a multiplexing technology ofthe clock interfaces and the data transmission interfaces of the chips to be tested, and the decoder matching the CS ends of the chips to be tested realizes the control of n io ports of the control device for 2n chips to be tested, thereby effectively overcoming a problem that a lot of IO ports are required in the testing for multiple chips; meanwhile, the test process is optimized, the test timeis greatly shortened, and the test efficiency is effectively improved; and high-efficiency and low-cost intelligent testing for the multiple chips is achieved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Test system and test method

The invention provides a test system and a test method. The test system is used for carrying out safety regulation and operation performance test on the air conditioning device, and comprises: a first conveying structure; a power supply device which comprises a power lead-out part; a detection device which comprises a switch structure, a safety tester and a performance tester, wherein the switch structure is used for controlling the safety tester to be put into use so as to carry out a safety test on the air conditioning device, or the switch structure is used for controlling the performance tester to be put into use so as to detect the performance parameters of the air conditioning device; a grounding structure which comprises a grounding part and a contact part connected with the grounding part, wherein the contact part makes contact with a refrigerant circulation assembly of the air conditioner device; an operating device, wherein when the first conveying structure conveys the air conditioner device into the preset area, the operating device clamps the power supply lead-out part, so that the power supply lead-out part is electrically connected with a power plug or socket of the air conditioner device. According to the system and method, the problem of low testing efficiency of the air conditioning device in the prior art is solved.
Owner:ZHUHAI GREE INTELLIGENT EQUIP CO LTD +1

Safety protection platform for testing transmission line parameters

The invention discloses a safety protection platform for testing transmission line parameters, which comprises a line parameter tester, a first head end safety switching device, a second head end safety switching device, a first opposite end safety switching device, a second opposite end safety switching device and a PC, wherein the first head end safety switching device and the second head end safety switching device are both connected with the head end of a tested line and used for collecting real-time induced voltage of the line; the first head end safety switching device and the second head end safety switching device are both connected with the line parameter tester through RS485 serial port cables and used for transmitting collected line real-time induced voltage data to the line parameter tester and receiving test switching instructions sent by the line parameter tester. The safety protection platform is ingenious in concept, avoids the personal electric shock risk caused by induction electricity and lightning in the testing process from the technical aspect, avoids the safety risk caused by illegal operation and misoperation of operators, and achieves the whole-process intelligent testing.
Owner:山西益通电网保护自动化有限责任公司 +1

Device and method for testing dielectric loss of high voltage transformer

The present invention discloses a device and method for testing dielectric loss of a high voltage transformer, solving the problem that pressurization of high voltage test is difficult, and dielectric loss test of the high voltage transformer of 500 KV can not be finished in the prior art. The device for testing the dielectric loss of the high voltage transformer comprises a frequency conversion circuit (1), a control circuit (2), a booster transformer (3), a series resonance inductor L(4) and a schering bridge (5), wherein two output ends of the frequency conversion circuit (1) are electrically connected with two input ends of the booster transformer (3), one output end of the booster transformer (3) is electrically connected with one end of the series resonance inductor L(4), the other output end of the booster transformer (3) is grounded, and the other end of the series resonance inductor L(4) is respectively connected with the schering bridge (5) formed by a standard capacitor (7), a tested high voltage transformer (8), a non-inductance fixed resistance R4, an adjustable capacitor C4 and a non-inductance adjustable resistance R3 so as to realize scientific test of the dielectric loss of the high voltage transformer, wherein the non-inductance fixed resistance R4, the adjustable capacitor C4 and the non-inductance adjustable resistance R3 are connected in parallel.
Owner:STATE GRID CORP OF CHINA +1

Intelligent large-diameter heat meter detection device and method

The invention discloses an intelligent large caliber calorimeter detection device and a method. The intelligent large caliber calorimeter detection device comprises a test pipe, a calorimeter to be measured, a standard meter, a water pump, a pressure tank, a solar energy heating device and a computer. The two ends of the test pipe are connected to the water inlet ports of the solar energy heating device; the calorimeter to be measured can be installed in the test pipe in a detachable manner; the standard meter is fixedly installed in the test pipe; the water inlet port of the water pump is connected to the water outlet port of the heating device; the water outlet port is connected to the water inlet port of the pressure tank; the calorimeter to be measured, the sensor of the flow meter of the standard meter and the tool line of the calorimeter to be measured are connected to a computer. The intelligent large caliber calorimeter detection device utilizes the solar energy to heat, reduces the energy consumption, protects environment, has no pollution, and guarantees the balance of the test pressure and improves the test stability. The calorimeter to be measured is stably fixed in the test pipeline and improves the test accuracy. The intelligent large caliber calorimeter detection device can be used for detecting a plurality of calorimeters, which improves work efficiency, saves cost and realizes intelligent tests.
Owner:河北丰源智控科技股份有限公司

A safety helmet random collision intelligent testing equipment

ActiveCN112577692BRealize intelligent testingImprove the pressure measurement effectShock testingControl theoryTest equipment
The invention relates to an intelligent testing device, in particular to an intelligent testing device for safety helmet random collision. The technical problem of the present invention is to provide an intelligent safety helmet random collision testing device capable of automatic testing and good testing effect. The technical embodiment of the present invention is: a safety helmet random collision intelligent testing equipment, including a base and a mounting frame, a mounting frame is provided on one side of the base; a bracket is provided on one side of the base; a driving mechanism is provided in the middle of the base. Mechanism; a clutch mechanism, a clutch mechanism is arranged between the base, the installation frame and the driving mechanism; a rotation mechanism, a rotation mechanism is connected between the clutch mechanism and the installation frame. Through the cooperation among the driving mechanism, the clutch mechanism, the rotating mechanism and the extrusion mechanism, the intelligent test of the helmet can be realized, and the pressure measurement effect can be improved by randomly testing the parts of the helmet.
Owner:深圳艾科思实业有限公司

System and method for detecting good product of integrated circuit

ActiveCN109283451BOvercome the problem of requiring a large number of IO portsShorten test timeElectronic circuit testingComputer hardwareMultiplexing
The invention belongs to the technical field of chip testing, and specifically provides a system and method for detecting good products of integrated circuits, which are used to realize intelligent testing of multiple chips. The invention includes a control device, a display device, a decoder and several chips to be tested; the display device is connected to control transposition for displaying the detection results; the chip selection signal ports of several chips to be tested are connected to the control device through the decoder, Moreover, the clock interface and the data transmission interface of each chip to be tested are correspondingly connected to the same interface of the control device. The present invention adopts the multiplexing technology of the clock interface and the data transmission interface of the chip to be tested, matches the decoder at the CS side of the chip to be tested, and realizes n io port pairs of the control device. n The control of each chip to be tested effectively overcomes the problem of requiring a large number of IO ports in multi-chip testing; at the same time, the test process is optimized, the test time is greatly shortened, and the test efficiency is effectively improved; that is, high-efficiency, low-cost multi-chip intelligent testing.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
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