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113results about How to "Improve production test efficiency" patented technology

Real-time monitoring diagnostic system and diagnostic method for electromobile battery management system

The invention discloses a real-time monitoring diagnostic system and diagnostic method for an electromobile battery management system. The real-time monitoring diagnostic system comprises an upper computer and a CAN communication data transmission module; the CAN communication data transmission module comprises a USB interface and a CAN wire interface, the USB interface is connected with the upper computer, and the CAN wire interface is connected with the CAN wire of a BMS. The diagnostic method comprises the steps that operation parameters and data displaying of a host machine and a slave machine of the BMS system are set; a monitoring system operates in real time and automatically stores real-time information; reliability and sensitivity of BMS protecting actions are verified, generation of voltages, currents, temperature signals and anomalous events can be simulated, so that reaction of the BMS to abnormal signals is captured and diagnosis is conducted on the BMS; control reliability of each relay of the BMS is detected. The real-time monitoring diagnostic system and diagnostic method for the electromobile battery management system meets detection application requirements during BMS batch production and improves production testing efficiency, can carry out real-time fault diagnosis on the BMS through the CAN, and provides an effective method for debugging and fault processing work.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Optimum operating voltage test method of avalanche photodiode

The invention discloses an optimum operating voltage test method of an avalanche photodiode. The method includes the following steps that a micro-control unit outputs a direct current control signal; a bias voltage corresponding to the direct current control signal is applied to the avalanche photodiode; a timer achieves delaying by first preset duration; dark current flowing through the avalanche photodiode is collected within first timer interrupt after delaying is finished; the micro-control unit judges whether the dark current reaches reverse breakdown current or not; if the dark current reaches reverse the breakdown current, the optimum operating voltage of the avalanche photodiode is calculated out according to the value of the bias voltage; if the dark current does not reach the reverse breakdown current, the direct current control signal is updated, and the steps that the micro-control unit outputs a direct current control signal and a bias voltage corresponding to the direct current control signal is applied to the avalanche photodiode are carried out again. By means of a time slice rotation mode, in the delaying process of the timer, a main operating cycle of the micro-control unit can perform other operating tasks and other corresponding interruption work, and production test efficiency is improved.
Owner:SHENZHEN GONGJIN ELECTRONICS CO LTD

Production testing method and system for smart household appliance, storage device and mobile terminal

The invention provides a production testing method and system for a smart household appliance, a storage device and a mobile terminal. The method comprises steps as follows: acquiring a production serial number of a target household appliance; when the target household appliance is determined to be a to-be-tested household appliance according to the production serial number of the target household appliance, detecting whether an AP named after the production serial number of the to-be-tested household appliance exists, and if yes, establishing connection with the AP; sending an AP testing instruction to an embedded module connected with the to-be-tested household appliance so that the embedded module performs AP testing according to the AP testing instruction; determining the function of the AP of the embedded module to be normal when an AP testing result including an AP testing success identification sent by the embedded module is received in a preset time period; sending a serial port communication testing instruction to the embedded module so that the embedded module performs serial port communication testing on a serial port of the to-be-tested household appliance according to the serial port communication testing instruction; receiving a serial port communication testing result sent by the embedded module. With the adoption of the production testing method and system, the production testing process can be simplified.
Owner:合肥美菱物联科技有限公司

Method for detecting voltage monitoring function of electricity utilization management terminals in batches

The invention relates to a method for detecting the voltage monitoring function of electricity utilization management terminals in batches, which comprises the following steps of: 1, connecting a plurality of terminals to be detected with voltage current wires and hanging on a meter hanging frame; 2, setting the communication connection of the terminals to be detected and a personal computer (PC); 3, setting the connection mode and voltage and current basic parameters of the terminals to be detected by using the PC; 4, setting or calling a prestored testing scheme by using PC software; 5, sending an instruction to the terminals to be detected and a source meter control cabinet by using the PC, outputting various voltage environments, and testing the terminals to be detected; and 6, reading the voltage current value of a standard meter through a serial port and calculating real voltage monitoring data in turn by using the PC, reading the voltage monitoring data of the terminals through a PC network, and comparing with the voltage monitoring value of the standard meter to obtain a conclusion. The method solves the problems that the indoor detection process is complicated, actual detection time is overlong, workload is high and the like in the conventional detection method, and has the advantages of high production testing efficiency, accurate and reliable testing result and the like.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID

Multi-channel alloy type hydrogen storage tank activating, performance-testing and packaging integrated equipment and technical flow thereof

The invention provides multi-channel alloy type hydrogen storage tank activating, performance-testing and packaging integrated equipment and a technical flow thereof, and belongs to the technical field of gas storage equipment and production testing. The equipment comprises an upper layer gas channel, an intermediate layer gas channel and a bottom layer gas channel, wherein the upper layer gas channel is formed by connecting a check valve, a two-way high-pressure electromagnetic valve, a pressure sensor and a first node; the intermediate layer gas channel is formed by connection of a hydrogen gas source, a nitrogen gas source, a reducing valve, a reducing valve, a filter, a mass flowmeter and a two-way high pressure electromagnetic valve; and the bottom layer gas channel is formed by connection of a mechanical vacuum pump, a third node, a two-way high pressure electromagnetic valve, a metal braid hose, an alloy type hydrogen storage tank and a temperature sensor. The multi-channel alloy type hydrogen storage tank activating, performance-testing and packaging integrated equipment has a novel structure, reasonable and compact layout, clear technical flow principle, high automatic degree and strong universality, covers small area, is easy and convenient to operate, and can be used for simultaneously operating alloy type hydrogen storage tanks with multiple specifications in multiple channels, so that the production testing efficiency of the alloy type hydrogen storage tanks can be greatly improved.
Owner:YANGZHOU UNIV

Battery testing station and testing method thereof

The invention discloses a battery testing station and a testing method thereof. The battery testing station comprises a plurality of groups of battery charge and discharge testing ports, a switching switch group and a controller. Every group of battery charge and discharge testing port comprises a battery voltage testing port, a battery charging unit and a battery discharging unit; the switching switch comprises a plurality of groups of switching switches, every switching switch comprises switches K1, K2 and K3 which are connected to the battery voltage testing port, the battery discharging unit and the battery charging unit of the corresponding group of the battery charging and discharging port respectively; the controller is connected with the switching switch group through a PCI (peripheral component interconnect) bus to collect the voltage data of every battery voltage testing ports and controls the switching actions of every switch of the switching switch group through a serial bus. By means of a plurality of charge testing ports, the battery testing station can perform charge and discharge testing on multiple battery sets simultaneously, thereby improving the production testing efficiency; testing results can be automatically stored in the controller and uploaded to a local area network and accordingly facilitate quality monitoring.
Owner:BENCHMARK ELECTRONICS SUZHOU

Method and system for automatic terminal detection

The invention relates to a method and a system for automatic terminal detection. The method comprises the steps that (1) a plurality of tested terminals are hung on a motor pressure meter frame and connected to an industrial personal computer by communications; (2) basic parameters of the tested terminals are set and a terminal detection testing manner is managed by the industrial personal computer; (3) the industrial personal computer sends instructions to the tested terminals and a power source combination, outputs various voltage and current environments and carries out automatic testing to the tested terminals, which comprises detection data checking of a power source influencing quantity, detection data checking of functions and performance and detection data checking of communication protocol conformance; and (4) various kinds of detection data of the tested terminals are called and read by the industrial personal computer and compared with detection data values of a standard table in order to obtain testing results of the tested terminals. In comparison with the prior art, the method and the system for the automatic terminal detection provided by the invention are advantageous in high efficiency, the accurate results, simple courses and the comprehensive data, etc.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Detection method, device and system for multi-tuner set top box

The invention discloses a detection method, device and system for a multi-tuner set top box. The method includes the following steps: a processor sends a first instruction to a to-be-tested set top box, wherein the to-be-tested set top box includes N tuners, N is a natural number greater than or equal to 2, the first instruction is used for enabling the to-be-tested set top box to be switched to the M tuner and enabling the to-be-tested set top box to play signal programs of the M tuner, and M is a natural number smaller than or equal to N; the processor receives a first replay instruction returned by the to-be-tested set top box, and determines a switching result according to the first replay instruction; if the switching result shows that switching succeeds, the processor sends a second instruction to a test mainboard, wherein the second instruction is used for controlling the test mainboard to collect real-time parameters of the M tuner of the to-be-tested set top box; and the processor determines a detection result of the M tuner of the to-be-tested set top box according to a second replay instruction returned by the test mainboard. The detection method, device and system help to solve the technical problems of the prior art that the production test efficiency is low since only a single tuner interface can be tested during detection of a multi-tuner set top box.
Owner:ZHUHAI GOTECH INTELLIGENT TECH

Automatic test system and method for GHz analog-to-digital converter

The invention provides an automatic test system and method for a GHz analog-to-digital converter. The automatic test system for a GHz analog-to-digital converter mainly includes a DC power supply analyzer, two signal sources, a clock source, a switching filter bank, a logic analyzers, an SPI control module, a test evaluation board, a switch, a test server, a display, and a cabinet, wherein the SPIcontrol module is connected to the test server through a USB cable, and each virtual instrument and the test server are arranged in the cabinet after being connected to the switch through an LAN bus;and based on TestStand and LabView, a host computer software is compiled to complete the control of the each virtual instrument and each module and evaluation of the full parameter characteristics ofthe converter, and then the test results are saved and displayed on the display, and the automatic test of the GHz analog-to-digital converter is finally realized. The automatic test system and method for a GHz analog-to-digital converter can simplify the testing process, can increase the number of measurable parameters of the GHz analog-to-digital converter, can improve the testing efficiency, and can reduce the maintenance cost of the test system software, and at the same time, the automatic test system has preferable compatibility and flexibility.
Owner:BEIJING MXTRONICS CORP +1

Method and device for determining performance of motor system as well as testing equipment

The invention discloses a method and a device for determining the performance of a motor system as well as testing equipment. The method comprises the following steps: acquiring a torque-speed curve of a whole vehicle under a NEDC (New European Driving Cycle) and an efficiency distribution diagram of the motor system; calculating the average efficiency value of the motor system under the NEDC according to the torque-speed curve of the whole vehicle under the NEDC and the efficiency distribution diagram of the motor system, a first probability value at which the efficiency value is greater thanor equal to a first threshold and a second probability value at which the efficiency value is greater than or equal to a second threshold; and determining the comprehensive evaluation index of the motor system according to the average efficiency value, the first probability value and the second probability value in order to determine the performance of the motor system under the NEDC. Through adoption of the method and the device, whether the performance of the motor system satisfies the requirement of the energy consumption index of the whole vehicle in an automobile production test can be evaluated; the evaluation of the motor system after the whole vehicle runs under the NEDC is avoided; the production test process is simplified; and the efficiency of the production test is improved.
Owner:BEIJING ELECTRIC VEHICLE

Hand wheel rotating mechanism and electronic endoscope bending part fatigue testing device

InactiveCN113267332AReduce the labor intensity of manual operation in bending fatigue testGuaranteed accuracyMachine part testingControl engineeringElectric machinery
The invention discloses a hand wheel rotating mechanism and an electronic endoscope bending part fatigue testing device. The hand wheel rotating mechanism comprises an upper and lower hand wheel motor module and a left and right hand wheel motor module, the upper and lower hand wheel motor module comprises an upper and lower hand wheel fixing piece, and the upper and lower hand wheel fixing piece is connected with a first driving mechanism through a first transmission assembly; the left and right hand wheel motor module comprises a left and right hand wheel fixing piece, and the left and right hand wheel fixing piece is connected with a second driving mechanism through a second transmission assembly; according to the invention, the bending fatigue test can be automatically carried out by the machine, the labor intensity of manual operation of the bending fatigue test of the operation part of the electronic endoscope is reduced, the production test efficiency is improved, and the accuracy of the bending angle in the fatigue test process is ensured through the automatic test system. Therefore, the tensile force of the steel wire in the endoscope body after testing is in a stable state, and the requirements of high-precision control of the operation part of the electronic endoscope and positioning of the bending angle of the bending part are met.
Owner:重庆金山医疗技术研究院有限公司
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