10results about How to "Evenly sampled" patented technology

The multifunctional sampling device comprises a sampling barrel, an auxiliary barrel with the same diameter as the sampling barrel is arranged at the upper end of the sampling barrel, a driving unit and a fixing unit are sequentially arranged in the auxiliary barrel from bottom to top, and a collecting unit is mounted on the inner wall of the sampling barrel; the problems that in the rock-soil sampling process in the prior art, rock-soil at different diameters of a hole cannot be sampled, rock-soil on the surface layer of the inner wall of the hole cannot be removed, samples at different positions of the hole cannot be collected at a time, the sampling time is prolonged, the sampling efficiency is reduced, and the sampling time is shortened can be solved. The cost is increased; the angles of the limiting blocks with different heights are adjusted through the limiting rod, sampling of rock and soil samples with different depths and diameters is achieved, the sampling frequency of the same hole is reduced, the sampling requirements of different rock and soil samples are met, the multifunctionality and flexibility of the device are improved, the sampling time is shortened, and the sampling cost is reduced.

The invention relates to the field of metal material design, and provides a stainless steel component design method based on machine learning in order to improve the accuracy of stainless steel component design, which comprises the following steps of: carrying out system point distribution in a component space by adopting full-factor experimental design, and carrying out equilibrium state and non-equilibrium Scheil solidification simulation calculation on each component point by utilizing CALPHAD to construct an initial data set; and a final component design scheme is determined by training an agent model and performing multi-objective optimization. Through combination of full-factor experimental design and CALPHAD, bridging of a component space and a physical and chemical law is realized, and a data basis with both breadth and physical depth is provided for subsequent machine learning, so that the accuracy of a prediction model is improved; the problem of multi-objective tradeoff is effectively solved through multi-objective optimization, so that recommended alloy components better meet actual requirements.

The application discloses an ore grade analysis method and device based on forward calibration of a truck scanning station, and the method comprises the following steps: sampling standard material and determining the grade of the sample, dividing the standard material into multiple ton bags, obtaining the counting rate of the ton bags by using the truck scanning station, obtaining the first calibration coefficient and the second calibration coefficient by using the least square method fitting according to the grade of the sample and the counting rate of the ton bags, obtaining the counting rate of the to-be-measured ore by using the truck scanning station, selecting the first calibration coefficient to calculate the first grade of the to-be-measured ore, comparing the first grade of the to-be-measured ore with the grade of the inflection point, if the first grade is less than the grade of the inflection point, then the first grade is taken as the final grade, otherwise, the second calibration coefficient is selected to calculate the second grade of the to-be-measured ore, and the second grade is taken as the final grade. By using different calibration coefficients in different grade intervals, local errors are effectively reduced, and the accuracy of measurement of the scanning station in the low-grade interval is improved.

This utility model relates to the field of transformer testing technology, specifically disclosing a transformer insulating oil sampling device, including a shell. The shell is a hollow cuboid structure, and an outer cylinder is fixedly connected to the inner wall of the shell via a connecting rod. The outer cylinder is a hollow cylindrical structure, and an oil inlet pipe, a sampling pipe, an oil outlet pipe, and a sampling tube are respectively installed through the outer surface of the outer cylinder. This transformer insulating oil sampling device features a rotatably connected outer cylinder and inner cylinder. The inner cylinder has a three-way flow channel, and the flow channel between the pipes can be adjusted by rotating the inner cylinder. This allows the pipes inside the device to be flushed before sampling, removing residual air impurities and other substances that interfere with the experiment, improving the accuracy of insulating oil sampling, and making subsequent test data more accurate and reliable.

The utility model discloses a water taking device for a sewage discharge port, which comprises a water taking tank, a water taking pipe, a water taking pipe, a water taking pipe, a water taking pipe, a water taking pipe, a water taking pipe, a water taking pipe, a water taking pipe and a water taking pipe, wherein one side of the water taking tank is provided with a supporting pipe; the lower end of the supporting pipe is provided with a base; the bent sampling pipe is inserted into the water taking opening and fixedly connected with the water taking tank, and the upper end of the bent sampling pipe is connected with the supporting pipe; the sampling seat is arranged on one side of the bent sampling tube; and the stepping rotary lifting type sampling bottle mechanism is arranged in the water taking tank and corresponds to the position of the water taking tank cover. The electric hoisting mechanism is used for controlling the sampling seat to ascend and descend on the bent sampling pipe, and is matched with the stepping rotary lifting type sampling bottle mechanism to sample sewage in a timing and quantitative manner, so that on one hand, the operation amount of workers can be reduced, and the sampling efficiency can be improved; on the other hand, accuracy and reliability of sewage sampling can be guaranteed, and cross contamination of samples is avoided.

The utility model discloses a simple device for water quality detection, and relates to the technical field of water quality detection. Comprising a suitcase main body, the suitcase main body is provided with a mounting mechanism for water quality detection equipment, and the mounting mechanism comprises the following steps: shaking a test tube to enable a water source and pH test paper to be in full contact and react more fully, so that inaccurate detection results caused by local concentration difference are avoided, and the detection results can better represent the pH value of a whole water sample; the detection accuracy and reliability are improved, shaking promotes material exchange between a water sample and the test paper, the reaction reaches a balanced state more quickly, the test paper can present a stable color more quickly, so that the detection time is shortened, the detection efficiency is improved, the test tube is shaken without additional complex equipment or operation steps, and the detection accuracy and reliability are improved. Therefore, full contact between a water source and the test paper and mixing of the water source can be realized, and a user can conveniently and quickly detect water quality in different scenes.

The utility model relates to a fixed circulating pool sampling device, including sampling pump, main pipeline, pool insertion pipe and connecting pipe, one end of main pipeline is detachably connected with one end of connecting pipe and communicates, and the other end of connecting pipe communicates with the inlet of sampling pump, one end of pool insertion pipe is detachably connected with the other end of main pipeline and communicates, and the other end is used for inserting into sampling pool, the vent line is communicated on main pipeline, and the vent valve is fixedly installed on the vent line. The utility model has the advantages of simple structure, reasonable design, can realize the quick automatic sampling of circulating pool, is convenient for sampling, does not need artificial to lie on the edge of circulating pool and sample, and is simple and safe and reliable to operate.

The application discloses a mechanical sealing structure with sampling and adding functions and belongs to the mechanical sealing field. The sealing structure can sample and add medicines to the delivered liquid. The sealing structure comprises a first dynamic ring and a second dynamic ring. The opposite sides of the first dynamic ring and the second dynamic ring are respectively provided with spring clamping bases. The spring clamping bases are jointly clamped with first springs. The outer side surfaces of the first dynamic ring are uniformly distributed with limiting bolts. The right side of the second dynamic ring is rotationally abutted with a static ring. The outer side of the static ring is sleeved with a second O-shaped sealing ring. The static ring is installed in a shell. The right side surface of a transmission shaft is inwardly embedded with a cylindrical blind hole. The blind hole is extended to the left and is respectively provided with through holes upwards and downwards. A circular tube is rotationally inserted into the right end of the blind hole and is frictionally matched with the inner surface of the blind hole. The right end of the circular tube is closed. The left side of the right end of the circular tube is connected with a sampling pipe downwards and is connected with an adding pipe upwards. The sealing structure is simple in operation, convenient to use and suitable for the delivery of various liquids.

The utility model discloses a portable water quality detection sampling device relates to water quality detection technical field, including main support frame, one end top of main support frame is equipped with U type handle, the other end of main support frame is equipped with adjusting assembly, is used for carrying out water quality sampling to the target water area of different water depth and off shore distance, the other end bottom of main support frame is equipped with sampling assembly, is used for guaranteeing the smooth progress of water quality sampling process, the sampling assembly includes fixed cylinder, the fixed cylinder is located in the other end bottom of main support frame, the fixed cylinder bottom is connected with the pivot of bearing, the utility model discloses through arc plate drive several blocking lever around sampling cylinder rotation, all with sampling cylinder insulate waterweeds and silt etc, realize sampling through several sampling holes to avoid sampling blockage, ensure that the water quality of collection is more representative, reduces sample pretreatment step, guarantees the smooth progress of water quality sampling process.

The utility model provides a kind of intelligent vibration sampler suitable for complex sea conditions of middle and shallow sea, it is related to sampling device technical field, to solve the problem that the existing vibration sampler cannot detect seabed condition in the process of sampler lowering when using due to complex seabed condition, it includes: base;The inside of the base is equipped with middle connector block;The camera is fixedly connected on the outer wall of the middle connector block of the base;Pressure sensor is fixedly connected on the outer wall of the middle connector block of the base;Attitude instrument is fixedly connected on the outer wall of the middle connector block of the base.External control terminal is connected with portable cable through junction box, can receive seabed environment image photographed by camera, pressure data detected by pressure sensor and attitude information fed back by attitude instrument in real time, and operator can intuitively understand the working condition of sampler under water and surrounding environment in safe position away from sampling site through external control terminal.