39results about How to "Add test items" patented technology

A test device for testing control force on the control lever and corresponding shift comprises control level saet, a control force sensor, tilt angle shift sensor, control level and connecting rod connected in the following way: the control force sensor and corresponding tilt angle shift sensor are fixed at both sides of the control lever seat by screws the control lever fixedly connected with the sensitive part of the control force sensor by screws when testing, the control level seat and the sensor fixed on it are sleeved on the tested control level and fixed by screws.

The invention discloses a SPI flash memory test system and a method based on FT4222. According to the SPI flash memory test method, calling of FT4222 chip equipment in a debugging tool is carried outbased on test statements input by testers, configuration of test conditions is carried out based on SPI NAND Flash modules of different parameters, and at last, loading of the test statements into theFT4222 chip modules is carried out so as to realize test of the SPI NAND Flash module. The method is capable of testing simple SPI NAND Flash reading, writing, and erasuring, and realizing BurnIn test (stability test), and achieving special test purposes via modifying test software program codes.

A self-test auxiliary device and method for visual hardware of a distribution terminal belongs to the technical field of electrical power. The auxiliary device is used for carrying out test wiring of the distribution terminal. A self-test program module is used for automatically complete analog acquisition channel detection, on-off input and output consistency detection, and memory and clock detection for a distribution terminal to be tested. A liquid crystal screen or an LED lamp on the distribution terminal is used for indicating the detection process and the detection result. At the same time, an examination filed is formed and stored in a memory for production technical personnel to consult. For unqualified products, abnormal hardware can be rapidly found according to a self-test file. Periodic self-test of hardware is carried out in the product aging process, the hardware quality problem caused by hardware welding, assembly and the like in the aging process is recorded, automatic testing of distribution terminal hardware is achieved, the test efficiency and the terminal product quality are improved, and the phenomenon that test items are missed due to human factors is avoided.

The invention discloses a ground detection device used for an electronic controller of an engine. The ground detection device used for the electronic controller of the engine comprises a serial communication circuit, a self-inspection unit, a communication detection unit and a power source detection unit, wherein the serial communication circuit is used for establishing communication connection with the electronic controller; the self-inspection unit is connected with the serial communication circuit and used for judging whether the electronic controller is self-inspected normally or not; the communication detection unit is connected with the serial communication circuit and used for detecting whether the communication function of the electronic controller is normal or not; the power source detection unit is used for judging whether a primary power source and a secondary power source of the electronic controller are normal or not; the primary power source is an external input power source received by the electronic controller; the secondary power source is a power source which is needed by internal working and generated after the electronic controller converts the primary power source. The ground detection device extends the detection items for the electronic controller, the types of faults of the electronic controller are conveniently, rapidly and accurately located, the electronic controller is overhauled as soon as possible, the faults are detected without special knowledge, operation is easy and convenient, and the ground detection device is convenient to use.

The invention relates to the technical field of environment monitoring, and particularly relates to a vehicle-mounted air quality detection and air purification system. The system comprises a purifierbody, external wireless equipment and external wired equipment, wherein the purifier body detects various environment indexes through an environment detection sensor and performs data interaction with external display control equipment through the external wireless equipment and the external wired equipment; the purifier body automatically adjusts the working gear through sensor data, and displays the environmental pollution level through a lamplight display module; the purifier body purifies air in a vehicle through an air path structure, a filter material and a draught fan according to data detected by the sensor. According to the vehicle-mounted air quality detection and purification system, compared with an existing vehicle-mounted purifier product, a set of complete system with detection, purification, vehicle-machine interaction and man-machine interaction is provided for the special air environment of an automobile and the influence on the driving safety of a driver, and the use experience of a user is improved.

The invention discloses an all-digital intelligent control and detection system for a crimping twisting wetting machine. The system comprises an intelligent control detector and a control device, wherein the intelligent control detector comprises a DSP main control card, a FPGA image collection processing card and a single chip touch screen control card; the DSP main control card is electrically connected with the single chip touch screen control card and the FPGA image collection processing card; and the DSP main control card is connected with the control device through an I/O interface board. The system disclosed by the invention has the following advantages: by adopting a dual-platform control structure with a front-end XY axis platform and a rear-end XY axis platform, the automation level and production efficiency are improved; the intelligent control detector primarily based on DSP and FPGA is adopted to realize control and detection of a twisting wetting crimping machine, the component number is reduced, and the failure rate and cost are lowered; and quality detection is realized through machine vision, the detection precision is improved, and high-end harness production is guaranteed.

The invention discloses an integrated circuit chip stable detection device which comprises chip detection equipment which mainly comprises a rack, a static electricity detection elimination mechanism, a first conveyor, a surface defect detector, a mechanical claw, a chip pin levelness detection mechanism, a second conveyor and a defective product discharging box. The right side of the rack is connected with the static electricity detection and elimination mechanism, the static electricity detection and elimination mechanism comprises two sets of guide plates which are symmetrically arranged and a transverse push rod installed between the two sets of guide plates, a guide opening is formed between the two sets of guide plates, the first conveyor is installed in the rack, and the right end of the first conveyor is connected with the tail end of the guide opening; and the surface defect detector is vertically mounted in the rack and is positioned right above the conveyor 1. According to the chip detection equipment designed by the invention, the chip surface static condition, the surface completeness and the pin levelness can be comprehensively detected, and the chip detection items are greatly improved, so that the integrity of a chip finished product is ensured.

The invention provides a PCBA automatic test fixture which comprises a test equipment body and a detection table top installed in the middle of an inner cavity of the test equipment body. A raw material support is fixedly installed on the edge of the detection table top, a body frame is arranged on the outer edge of the test equipment body, a test assembly is bolted and fixed to the horizontal position of the top of the body frame, a discharging track is arranged on the side face of the test equipment body in a penetrating mode, an indication signal lamp is vertically embedded and fixed to thecorner of the top of the body frame, and a control host is embedded in the front face of the body frame. A PCBA board is detected through a test assembly installed at the top, the test assembly can adjust spatial position change, micro adjustment can be achieved in the whole adjustment process, and it is guaranteed that the whole equipment has good detection position changes. Meanwhile, an adjustable detection assembly at the top can achieve optical detection on the surface of a PCBA board to be detected, detection items are increased, data measurement and calculation of PCBA board surface detection are guaranteed, and the detection accuracy is improved.

The invention discloses a correction method for a color doppler ultrasonic diagnostic instrument detection device. The correction method comprises that the detection device drives artificial blood to flow in a circulatory system at a certain speed through a circular pump, when the artificial blood passes through a flowmeter, the electronic flowmeter feeds acquired flow velocity information back to a control system, during the whole flow velocity adjusting process, the control system records instantaneous values in a curve, and a liquid crystal display screen displays the curve, when the flow velocity in the whole closed circulation system is stabilized to be preset values, the artificial blood flows stably for a long time in an artificial membrane at a certain speed, and the color doppler ultrasonic diagnostic instrument can be detected at the moment.

The invention discloses a motion structure of an inspection robot, which comprises a tunnel inspection robot, the tunnel inspection robot comprises an inspection guide rail, a charging mechanism, a robot body, a driving mechanism and a detector, the inspection guide rail is composed of a plurality of groups of sub guide rails, the plurality of groups of sub guide rails are spirally mounted at the top of a tunnel, and two adjacent groups of sub guide rails are connected end to end; the charging mechanism is installed at the corner of the sub guide rail, the robot body is erected on the inspection guide rail and internally provided with a driving mechanism, the driving motor is installed in the inspection guide rail, and the two sets of detectors are symmetrically installed on the two sides of the robot body. According to the designed tunnel inspection robot, people do not need to enter a tunnel for auxiliary operation, the whole operation process of the inspection robot adopts an automatic operation mode, efficient inspection treatment can be conducted on the situation of the inner wall of the tunnel through the detector installed on the robot body, and the efficiency and the safety degree of tunnel detection are greatly improved.

The invention relates to the field of electrophoresis detection, and particularly discloses a capillary electrophoresis two-channel spectrum detection device which comprises an electrophoresis capillary, and a first detection mechanism and a second detection mechanism are arranged on the outer side of the electrophoresis capillary. The first detection mechanism and the second detection mechanism are located on the outer side of the electrophoresis capillary tube and are perpendicular to each other, and the ends, close to the electrophoresis capillary tube, of the first detection mechanism and the second detection mechanism are connected with a second light condensation sheet. The spectrum analyzer and the laser are used for detecting micro samples and trace samples, so that the sensitivity is improved, and the experiment reliability is improved; detection targets are expanded, and the working efficiency of the instrument is improved; the fluorescence cross is reduced, and the experiment accuracy is improved; the manufacturing cost of the dye kit is reduced, detection items are increased, laser and fluorescence signals are transmitted to the capillary tube and the spectrum analyzer through the optical fiber, and the detection accuracy can be conveniently controlled.

The invention relates to an online seawater H2O2 detection instrument and particularly relates to a novel online seawater H2O2 detection instrument and a preparation method and application thereof. The novel online seawater H2O2 detection instrument comprises a reserve power source, a water depth controller, a water surface buoy, a sampler, an electrochemical detection device, a signal output module and an online monitoring module, wherein the reserve power supply is respectively connected with the water depth controller and the electrochemical detection device; the water depth detector is connected with the water surface buoy, and the water depth detector is connected with the sampler; an electrochemical detection probe is mounted in the sampler; the electrochemical detection probe is connected with the electrochemical detection device, the electrochemical detection device is connected with the signal output module, and the signal output module is connected with the online monitoring module. The instrument is advantaged in that the seawater detection method disclosed by the invention belongs to online detection, and the detection equipment can be put in the running process of a marine ship and can also be used for detection on the ship.