59results about How to "Realize fully automatic testing" patented technology

The invention discloses a method and a device for testing a microcomputer control system of a diesel locomotive. A CAN bus or a serial bus is used for communication with an host computer to receive a test command from the host computer, and an inter CAN bus is used to receive the test command and transmits the test command to internal signal generation modules which generate a corresponding test signal according to the test command and transmit the test signal to equipment to be tested through an adapter cable; a signal detection module of a testing device detects an output signal of the equipment to be tested and transmits the output signal to a CPU board through the CAN bus, and the CAN bus or serial bus transmits the output signal to the host computer; and the host computer compares a given signal with the detected signal to realize the fully automatic closed loop test of the equipment to be tested. The fully automatic closed-loop test is a fully automatic loop test of the equipment to be tested which is implemented in a way that: the inside of the testing device adopts a distribution type module based on the CAN bus, the CPU board is connected with a digital quantity input and output board, a frequency board, a constant-current source board and a DA board through the internal CAN bus, and the testing device uses the external CAN bus or serial bus of the CPU board to communicate with the host computer and to realize the automatic circulating test of the equipment to be tested.

The invention is a testing device for crude oil viscosity, which is applicable to the determination of crude oil viscosity-temperature curves and the evaluation of heating and agent addition. The testing device comprises a programmable water bath (1), circulating water (13), a water jacket outlet (14), a water jacket inlet (19), a stirring motor (4) and a stirring paddle (16), a viscometer (5) and a rotor (10), and a rotating shaft (17); and the invention is characterized in that the device also comprises a crude oil processing device (3), a sleeve connector (6), a sleeve (7), a data transmission cable (8), a computer (9), a cover (15), and a rotating shaft connector (18). The crude oil processing device (3) is connected with the programmable water bath (1) through a water-bath inlet pipeline (2) and a water-bath outlet pipeline (12); the stirring motor (4) is connected with the stirring paddle (16) which is inserted into the crude oil processing device (3); the viscometer (5) is firstly connected to the sleeve connector (6), and then connected to the sleeve (7) which is inserted into the crude oil processing device (3) containing crude oil (11).

The invention discloses a system for automatically diagnosing a fault of a circuit board. The system comprises a testing probe, a signal excitation device, a signal testing device, a central control machine and a robot movement mechanism, wherein the central control machine controls the signal excitation device; the signal excitation device is connected with a signal excitation end of a circuit board; the testing probe acquires data of a tested point of the circuit board to be transmitted to the signal testing device; the signal testing device processes the data and transmits the data to the central control machine; the central control machine controls the robot movement mechanism; the robot movement mechanism is used for controlling the testing probe to move; and the testing probe is used for testing the fault of the circuit board. The robot movement mechanism is controlled to drive the testing probe to move to a target testing point by the central control machine, so that fault diagnosis of the circuit board is fully automatically tested, manual operation is replaced by the robot movement mechanism, and manual labor is saved; and moreover, the fault of the circuit board can be accurately tested, and the system is convenient to use.

The invention discloses a circuit board function test device. The circuit board function test device comprises a main support framework, a tray assembly, a tray limit assembly, a needle bed board assembly, a crimping board assembly, an automatic crimping mechanism and a test bottom board assembly, wherein the main support framework comprises a base board and a support framework connected with thebase board, a lower portion of the support framework is connected with a platform board, a tray of the tray assembly can move on the platform board, the tray limit assembly is used for realizing the limit effect, the needle bed board assembly is connected with the tray, a tested circuit board is mounted on a needle bed board, a crimping board is arranged above the tested circuit board and is connected with an upper end of the automatic crimping mechanism, a lower end of the automatic crimping mechanism is fixed on the platform board, and the test bottom board assembly is arranged below the platform board and is fixed on the base board. A test bottom board of the test bottom board assembly is connected with a power source board, a test circuit board and a wiring terminal seat, the test bottom board is electrically connected with the tested circuit board through the wiring terminal seat and a connection lead, and functional tests on circuit boards in multiple types of model specifications can be carried out.

The invention discloses a full-automatic function test method and device for a new energy automobile controller. The method comprises steps of S1, controlling the collected information of a to-be-tested controller for recognition, and recognizing the type output of the to-be-tested controller; S2, according to the identified type of the to-be-tested controller, controlling the to-be-tested controller to be connected with a matched test tool in a pre-constructed test tool database so as to use a matched test tool to realize automatic connection of interfaces required when the to-be-tested controller is tested; and S3, according to the identified type of the to-be-tested controller, controlling a matched test program in the pre-constructed test program database to execute a required functiontest on the to-be-tested controller; the device comprises a type automatic identification module, a tool automatic calling module and a function test automatic execution module. The method has advantages of being simple to implement, high in intelligent degree and test efficiency, low in test cost, capable of being suitable for batch test and the like.

The invention provides a transformer station integrated automatic test system, and relates to the technical field of transformer station automatic system detection. The transformer station integrated automatic test system comprises a tester, isolation layer equipment, data communication layer equipment and station control layer equipment. An independent closed-loop test is respectively formed by the tester and the isolation layer equipment, the tester and the data communication layer equipment, and the tester and the station control layer equipment. The closed-loop test of the isolation layer to the data communication layer is formed by the tester and the isolation layer equipment and the data communication layer equipment. The closed-loop test of the data communication layer to the station control layer is formed by the tester and the data communication layer equipment and the station control layer equipment. The closed-loop test of the isolation layer to the station control layer is formed by the tester and the isolation layer equipment, the data communication layer equipment and the station control layer equipment. According to the transformer station integrated automatic test system, multiple functions of a protocol analyzer, a data acquisition device, a data simulator, a measurement and control device tester and a GPS time synchronization instrument are integrated as a whole, and various electric power automatic measurement and control equipment, RTU, protection devices and synchronizing devices are tested so as to be multi-purpose.

The invention discloses a luminescence property automatic testing system for a luminescent material combination sample library. The system mainly solves the problems that in the prior art, samples in a sample library can not be fully automatically tested, people need to control two computers at the same time, and work efficiency is low. The system comprises an optical panel, a substrate, an X-Y two dimensional movable platform, a lifting support, an optical fiber support, an excitation light transmission optical fiber, an emitted light receiving optical fiber, an optical fiber tube, a single chip microcomputer, a step motor and manual operation interface software, wherein the combination sample library is arranged on the substrate in parallel. The single chip microcomputer controls the step motor to drive the X-Y two dimensional movable platform to move, test the samples on the substrate and record data results obtained through tests, and a manual operation interface controls the whole test process. By means of the system, full-automatic test of the combination sample library is achieved. Luminescence properties of various luminescent materials can be tested by means of the system.

The invention discloses a method for quickly testing an SPI (serial peripheral interface) communication module, which is used for the communication based on a serial interface and comprises the following steps of S1, specifying a communication protocol between an upper computer and a lower computer; S2, using the upper computer to automatically configure an SPI module, generate a configuration table of the test case by using the SPI module, and convert the configuration table into a corresponding test instruction; S3, enabling the upper computer to communicate with the lower computer; and S4,after receiving the test instruction, using the lower computer to analyze the configuration instruction, and initialize the SPI of the chip according to the configuration information of the configuration instruction, so that the SPI works in an appointed working mode of the upper computer. According to the test method, nearly 100 thousands of cases of the SPI module can be fully automatically tested, the serial peripheral interface module can be quickly and efficiently tested, the test period of the SPI module is shortened, and the labor cost and the time cost consumed on the SPI module are greatly reduced.

The invention provides an automatic testing device for a complete machine function, comprising a control module, an image recognition module, a communication module, a key testing station, a screen testing station, a printing test station, a card swiping test station, a tray for fixing a POS machine to be tested, an machine placement area and an machine testing area. A plurality of telescopic keyboard point pressing rods are arranged at the key testing station; a first camera used for shooting a POS machine screen is arranged at the screen testing station; a second camera used for shooting thePOS machine printing bill is arranged at the printing test station; the first camera and the second camera are connected with the image recognition module; the pressing point of keyboard point pressing rods is close to the keyboard of the POS machine after the POS machine is fed into the machine testing area; The first camera faces the POS machine screen; the second camera faces the printout endof the POS machine; the card swiping test station is close to the side edge of the POS machine; The control module is connected with the POS machine through the communication module to obtain the working data of the POS machine. According to the automatic testing device for complete machine function, full-automatic integrated testing can be performed on the POS machine.

The invention belongs to the technical field of system performance testing in nuclear power DCS, and provides an automatic analog quantity testing device and method in nuclear power DCS identification, wherein the device and method can achieve precision testing and temperature drift and time drift monitoring simultaneously in DCS monitoring; the device comprises multiple temperature sensors, multiple signal conditioning modules and an industrial computer; the temperature sensors are arranged in different analog quantity channels of the nuclear power DCS respectively, and the temperature sensors and the nuclear power DCS are arranged in a constant temperature test chamber together; the signal conditioning modules receive temperature signals of the multiple temperature sensors and convert the temperature signals into electric signals; the industrial computer comprises a data acquisition board card, storage and a controller, the data acquisition board card is arranged to be capable of receiving the electric signals of the multiple signal conditioning modules, and the storage can store the electric signals received by the data acquisition board card; the controller computes time driftand/or temperature drift parameters of analog quantity channels of the nuclear power DCS in nuclear power DCS identification on the basis of the electric signals stored in the storage.

The invention discloses a settling time test method for a digital to analog converter. The method comprises the steps of sampling an electrical signal of the digital to analog converter; acquiring an average high level value in a sampling period according to sampled data; acquiring a stable high level section after voltage oscillation ends; finding an initial sampling point of the stable high level section in the sampled data, and recording the initial sampling point as a settling time end point; finding the longest voltage value continuous raising section in the sampled data, and recording the section as a maximum raising section; finding the first sampling point of which the voltage value is the average high level value from the sampled data after the maximum raising section ends, and recording the first sampling point as a settling time initial point; and acquiring settling time according to the settling time initial point and the settling time end point. The invention also provides a settling time test system for the digital to analog converter using the method, and thus the settling time can be automatically tested.

The invention discloses an electric vehicle controller automatic test system, which relates to the technical field of electric vehicle tests. An auxiliary direct current regulated power supply is connected to a power supply end of a test cabinet. The test cabinet is electrically connected to a test motor set. The test cabinet is provided with a touch screen, an ammeter, a voltmeter and a junctionbox. A pulley of an active motor is connected to a pulley of a passive motor through a belt. An PLC and an expansion module are electrically connected to a built-in controller, a switching power supply, a loading module, a Hall data acquisition module, a relay, a data acquisition module, a discharge module, the touch screen, the ammeter and the voltmeter. The ammeter, the voltmeter, the switchingpower supply, the relay, the data acquisition module, the discharge module and the active motor are electrically connected to the junction box. The built-in controller and the loading module are connected to the passive motor through wires. The electric vehicle controller automatic test system can realize rapid detection, is accurate in detection data and simple in operation, and facilitates the quick connection and can realize automatic discharge.

The invention belongs to the technical field of power device parameter testing equipment, and particularly relates to high-low voltage testing equipment for a power device. In order to overcome the defects that existing power device testing equipment needs to manually switch connecting wires, is low in testing efficiency and prone to making mistakes, or is large in size, high in cost, short in service life, complex in connection and low in testing accuracy, the invention adopts the following technical scheme that the power device high-low voltage testing equipment comprises: a low-voltage instrument equipment unit; a low-voltage control unit; a high-voltage instrument equipment unit; a high-voltage control unit; a device adaptation unit which comprises a device assembling connector, an adaptation connector, a position controller and a signal processor; and a test main control unit which sends an instruction according to the test requirement. The high-low voltage test equipment for the power device has the beneficial effect that various items can be automatically tested.

The invention relates to a system for automatically testing display and television power modules. The system comprises a testing bench and a tested power module, and is characterized in that: the testing bench comprises a probe for supplying power to the tested power module, a DIM control output probe, an ON/OFF control output probe, a first probe for detecting a direct current output end of the tested power module, and a second probe for detecting an alternating current output end of the tested power module, wherein an input end of the probe for supplying power to the tested power module is connected with 220V alternating current; input ends of the DIM control output probe and the ON/OFF control output probe are connected with a singlechip respectively; and an output control end of the singlechip is connected with a control end of the testing bench. The system can automatically test the power modules, the working efficiency is improved, the action of plugging/unplugging wires is removed, and the testing time, the number of testing instrument and manual labor are reduced.