7results about How to "Realize online detection" patented technology

A micro inductor online visual detection fixing device. It relates to the field of inductor production equipment. Including the shell, a plurality of shell is placed in sequence on the conveying belt, the top of the conveying belt is equipped with a visual detection mechanism, the middle part of the shell is equipped with a containing cavity, the containing cavity penetrates the shell along the vertical direction; The upper part of the containing cavity is equipped with an upper baffle, the lower part of the containing cavity is equipped with a lower baffle, the lower baffle and the upper baffle are both mesh plates, a gas pump is arranged between the lower baffle and the upper baffle, the gas inlet pipe of the gas pump is located in the containing cavity, and the gas outlet pipe of the gas pump is located outside the containing cavity; The upper baffle is used for placing inductor. The application can improve the inductor detection efficiency and accuracy.

This application relates to a gas detection device for semiconductor process manufacturing, comprising: a sample collector, a pre-concentration unit, a column oven, and a detector. The sample collector includes a gas collection chamber and a sample input channel, a sample output channel, and a gas purging channel connected to the gas collection chamber. Process gas is input into the gas collection chamber through the sample input channel. The pre-concentration unit is connected to the gas collection chamber through the sample output channel and performs adsorption and desorption treatment on the process gas from the gas collection chamber. A gas chromatography column is installed in the column oven, which is connected to the pre-concentration unit through a first gas transmission channel. The gas chromatography column separates the desorbed process gas. The detector is connected to the column oven through a second gas transmission channel and performs gas composition analysis on the separated process gas. This application enables online detection of process gases in the process chamber used in semiconductor process manufacturing, improving detection efficiency and flexibility.

The application discloses a hydrogen purity detection method of a fuel cell system and a control method of the fuel cell system. The fuel cell system comprises an anode subsystem which inputs hydrogen-containing mixed gas into an electric pile through a flow supply device to generate electric current. The method comprises the following steps: when the fuel cell system is running and the exhaust valve is closed, calculating the pure hydrogen consumption M 纯氢气 of the electric pile according to the electric current of the electric pile; 纯氢气 calculating the mixed gas supply amount M 混合气 of the anode loop according to the pressure change of the anode loop and M 混合气 ; and substituting M 混合气 obtained by the above calculation into the gas flow formula of the flow supply device to obtain the hydrogen purity of the mixed gas; the gas flow formula of the flow supply device is M 混合气 =M0*(P in / P0)*sqrt(T0 / T)*sqrt(2 / (2*x+m*(1‑x))); M0 is the hydrogen flow of the flow supply device under standard conditions, P0 and T0 are the inlet pressure and temperature of the flow supply device under standard conditions, P in and T are the inlet pressure and temperature of the flow supply device under current conditions, m is the average molecular weight of impurity gas in the mixed gas, and x is the purity of hydrogen.

The utility model discloses a mobile reverse osmosis on-line automatic detection instrument. An installation plate is installed on the installation board. A control center is arranged inside the shell. A camera is connected to the front end of the shell. A motor is installed on the installation board. The output shaft of the motor is connected to a propeller. A protective mesh cover is arranged outside the motor and the propeller. The protective mesh cover is connected to the installation board. A conductivity electrode is also arranged inside the shell. The electrode plate of the conductivity electrode extends outside the shell. The control center includes a power supply, a locator, a processor and a wireless communication module. The power supply supplies power to the conductivity electrode, the camera, the motor, the processor, the locator and the wireless communication module. The processor is connected to a remote control terminal through the wireless communication module. The utility model is small in volume, has little influence on the fresh water flow pattern during the movement in the fresh water channel, can detect during the normal operation of the reverse osmosis device, and can reflect the real situation during operation; during detection, a single person can operate, without manual sampling and measurement, without wasting water resources, and saving manpower and material resources.

The utility model relates to the technical field of steel rail flaw detection, in particular to an in-service steel rail tread eddy current flaw detection device which comprises a detection frame body, a floating position correcting frame is connected to the detection frame body and comprises a horizontal self-adaption assembly and a vertical self-adaption assembly, and a plurality of eddy current flaw detection heads are arranged below the floating position correcting frame. A cross detection area is formed between every two adjacent eddy current flaw detection heads, so that the total detection area covers the tread of the steel rail; the detection frame body is also provided with a processing host, and the processing host is used for receiving and processing the detection data. By adjusting and improving the structure of the flaw detection device, the floating position correcting frame is always attached to the steel rail for flaw detection, self-adaptive matching is realized, the flaw detection distance of the eddy current flaw detection head is ensured to be stable, flaw detection data acquired by the eddy current probe is more accurate, online detection is realized along the steel rail, and the flaw detection efficiency is improved.

The utility model relates to a solar cell piece defect detection device, especially a solar cell piece defect detection device based on EL and PL, include: transmission subassembly is used for conveying cell piece, camera subassembly includes the K line array camera for gathering EL image and the K line array camera for gathering PL image, locates transmission subassembly's top, laser assembly is used for providing the light source for K line array camera, LED light source subassembly is used for providing the light source for K line array camera, light shield board subassembly locates transmission subassembly's top, and is located between laser assembly and LED light source subassembly, and industrial computer is connected with transmission subassembly, K line array camera, K line array camera, laser assembly and LED light source subassembly respectively.A kind of solar cell piece defect detection device based on EL and PL can realize EL detection and PL detection on the same device, greatly reduce the investment cost of equipment, and only need once detection to complete EL detection and PL detection, and detection efficiency is high.

The utility model discloses an on-line self-balancing device and a wafer drying machine, the on-line self-balancing device comprises a rack, a bearing assembly, a rotating shaft, a mounting plate, a driving assembly and a self-balancing assembly, the rotating shaft is mounted on the rack, the fixed end of the driving assembly is mounted on the rack, the driving assembly is connected with the rotating shaft, and the driving assembly is configured to drive the rotating shaft to rotate along the axis of the rotating shaft; the bearing component is horizontally mounted at the top of the rotating shaft; the mounting plate is mounted at the bottom of the rotating shaft, the self-balancing assembly comprises a balancing part, a control part and a detection part, the balancing part is mounted on the bottom surface of the mounting plate, and the detection part is configured to detect balance information of the rotating shaft in the rotating process and send the detected balance information to the control part; the control portion is configured to control the balance portion to perform balance compensation on the rotating shaft according to the received balance information. According to the on-line self-balancing device, through cooperation of the rack, the bearing assembly, the rotating shaft, the mounting plate, the driving assembly and the self-balancing assembly, automatic balancing during on-line rotation of the rotating shaft is achieved, and the working efficiency is improved.