18results about How to "Sampling implementation" patented technology

This utility model discloses a rock and soil impact sampling device in the field of geological survey equipment, comprising: an impact component connected to a drilling rig tower via a hoisting rope; a guide tube with an open top and a closed bottom, and the guide tube is slidably connected to the lower part of the impact component, with exhaust structure between the guide tube and the impact component to achieve exhaust; and a sampling tube with an open bottom and a closed top, the top of the sampling tube being detachably connected to the bottom of the guide tube, and a discharge structure provided at the upper part of the sampling tube. The beneficial effects of this utility model are: by opening a discharge hole at the top of the sampling tube, excess soil sample inside the sampling tube can be discharged, thereby enabling sampling of deep soil without increasing the length of the sampling tube. The structure is simple and easy to manufacture.

This application provides a sampling circuit and an inverter for an inverter. The inverter includes a three-phase output circuit, each phase output circuit including an AC switch connected to the power grid; the side of the AC switch closer to the inverter is connected to an inverter-side inductor and a filter capacitor, and the side closer to the power grid is connected to a grid-side inductor. The sampling circuit includes three resistor sampling units. The first terminal of the first resistor sampling unit is connected to the node between the AC switch and the grid-side inductor in the first phase output circuit, and its second terminal is connected to the node between the AC switch and the grid-side inductor in the second phase output circuit, used to sample the line voltage between the first and second phase output circuits; the second resistor sampling unit is used to sample the line voltage between the second and third phase output circuits; and the third resistor sampling unit is used to sample the line voltage between the third and first phase output circuits. This solution can avoid introducing high-frequency harmonic paths and suppress high-frequency harmonics generated by the sampling circuit.

The invention relates to the technical field of soil detection, in particular to a sampling device for soil detection and a using method thereof.The sampling device comprises a support assembly, a removing assembly, a sampling assembly and a shell, and an opening is formed in the bottom of the shell; the clearing assembly comprises a center shaft, a clearing toothed plate and a toothed plate mounting frame, the center shaft is vertically and rotatably arranged in the shell, and the toothed plate mounting frame is fixed to the lower end of the center shaft and arranged in the opening in a penetrating mode; the sampling assembly comprises a plurality of sampling cutting rings, the toothed plate mounting frame is provided with a plurality of through holes penetrating up and down, the sampling cutting rings are mounted in the through holes in a one-to-one correspondence manner, a hammering assembly is arranged in the shell, and the sampling cutting rings move downwards when the hammering assembly hammers; and a main spring is arranged in the shell. The cleaning toothed plate is gradually inserted into the soil by the toothed plate mounting frame under the elastic force of the main spring, so that the topsoil can be stably cleaned and sampled.

The utility model relates to a two-phase sampling device suitable for rivers, lakes and reservoirs, and belongs to the technical field of sampling devices. The top end of the connecting rod is connected with the handle; the water body sampling device is used for sampling water bodies; the monitoring module is used for monitoring water quality of the water bodies; the bottom mud sampling device is connected to the bottom end of the connecting rod and is used for collecting a bottom mud sample. The device is provided with the water sampling device and the bottom mud sampling device at the same time, so that bottom mud samples can be collected while water samples are collected, and various kinds of sampling can be completed at a time. The specific structure of the water body sampling device is designed, automatic water sample collection can be achieved, an operator only needs to manually complete bottom mud sampling, the bottom mud sample and the water sample are collected, and operation is easy.

This application relates to a circuit, method, and radar for detecting ambient light. The circuit for detecting ambient light includes: a photosensitive element for converting a received light signal into a current signal; an electrical signal conditioning circuit coupled to the photosensitive element for converting the current signal into a voltage signal; a detection processing unit coupled to the electrical signal conditioning circuit for converting the voltage signal into a digital signal based on a voltage threshold; and a digital processing unit coupled to the detection processing unit for processing the digital signal to obtain ambient light information. This application can detect ambient light, improve the anti-sunlight noise capability of lidar, improve the accuracy of lidar detection results, and thus enhance the personal and property safety of users.

This invention relates to the field of sampling equipment technology, specifically to a seabed soil sampling device for marine mapping. It includes a sampling tube for storing sampled soil, a drill bit for drilling into the seabed soil, a piston, a piston rod, and a drive mechanism. The drill bit is fixedly mounted at the bottom of the sampling tube. Several sampling ports are provided on the surface of the sampling tube for the sampled soil to enter, arranged in a ring on the outer surface of the tube. This invention, through the design of the drill bit and sampling tube, features a compact overall structure, making it easy to carry and operate. The unique shape of the drill bit allows it to easily penetrate the seabed soil layer, reducing resistance during sampling and improving sampling efficiency. The ingenious combination of the sampling tube and the drill bit ensures the accuracy and integrity of the sampling, effectively obtaining representative seabed soil samples.

The invention discloses a multidirectional air detection device for a chemical workshop and a detection method, and belongs to the field of air detection. The device comprises an automatic cart and an air sampling machine, sampling bottles and a placing assembly for installing the sampling bottles are installed on the periphery of the air sampling machine, a rotatable bearing table is arranged on the automatic cart, the bearing table rotates through a driving assembly, and a collecting assembly is arranged on the bearing table; the sampling bottle comprises a reaction tube and a gas inlet tube, and the reaction tube is sleeved in the gas inlet tube; the collecting assembly comprises a gas collecting hood and a breather pipe, the breather pipe is fixedly installed on the gas collecting hood and communicated with the gas collecting hood, one end of the breather pipe is connected with one end of the gas inlet pipe in a sleeving mode, and a gas inlet assembly is arranged on the breather pipe and drives gas in the gas collecting hood to enter the reaction pipe. Meanwhile, air in multiple directions in the chemical workshop is sampled, and the problem that a conventional air detector is difficult to realize classified detection of air in different directions in the chemical workshop is solved.

The utility model discloses a petroleum antistatic agent production detection sampling device which comprises a shell, and the interior of the shell is of a double-channel structure; a first lifting mechanism is arranged on one side of the top of the shell, and a second lifting mechanism is arranged on the other side of the top of the shell. Telescopic pipe assemblies are arranged on the lower portions in the two channels of the shell, and the bottom ends of the two telescopic pipe assemblies are at least used for being inserted into the oil antistatic agents with different depths. A sampler is arranged at the upper part in the dual-channel of the shell, and the bottom end of the sampler is detachably connected with the top end of the telescopic pipe assembly. According to the petroleum antistatic agent sampling device disclosed by the utility model, the sampling of petroleum antistatic agent samples with different depths can be realized by utilizing the combination of the plurality of samplers and the telescopic pipe assembly, and meanwhile, the sampled petroleum antistatic agent can be contained in the lower cavity in the shell, so that the sample is prevented from dripping on a moving path when the sample is moved.

This invention discloses a sampling drill bit for a tracked vehicle used in sand and gravel mining, comprising a drill rod, a drill rod sleeve, and a sampling rod inside the drill rod sleeve. The sampling rod is rotatably connected to the drill rod sleeve via a sampling bearing. The upper end of the sampling rod is driven by the output shaft of a sampling motor. The bottom of the sampling rod is provided with a spiral feeding blade for sand and gravel sampling and conveying. A sand discharge port is opened in the middle of the drill rod sleeve, located above the spiral feeding blade. This invention is applicable to the field of mining sampling. By providing a drill rod sleeve and a vibrator on the outside of the drill rod, the drill rod is assisted in its insertion by the vibrator and the needle tip structure of the drill rod sleeve. At the same time, the internal motor drives the spiral feeding blade to drill deeper. Waste samples are discharged through the sand discharge port, and the sample at the target depth is retained in the front end of the drill rod sleeve, enabling sampling at a specific depth. Subsequently, the drill rod is controlled to penetrate deeper into the sampling container and continue to rotate to complete the sample placement. A quick-installation structure for the drill rod is also provided, enabling rapid disassembly and assembly, facilitating replacement and maintenance, and making it more flexible and convenient.

The utility model discloses a kind of multifunctional sampling equipment for grain quality detection, including sampling car, first electric push rod is installed on the sampling car, sampling mechanism is installed on the first electric push rod;Drive sampling mechanism to stretch into any position of grain pile by the telescoping of first electric push rod, the sampling car includes bottom support plate, universal wheel is fixedly installed at the bottom of the bottom support plate, it is related to grain sampling technical field, by setting sampling mechanism, sampling mechanism top has electromagnetic valve, in the process that sampling mechanism stretches into grain pile, electromagnetic valve is closed, so as to in the process that sampling mechanism moves, grain cannot enter electromagnetic valve and sampling pipe, when sampling mechanism stretches into grain pile characteristic depth position, open electromagnetic valve, to realize accurate position sampling;Sampling mechanism is driven into grain pile by first electric push rod, so as to be able to realize the sampling of grain pile any depth position, so that sampling function is more abundant.

The utility model relates to the technical field of soil sample collection equipment, in particular to a vertical distribution stratified sampler for soil radioactive contamination, which is characterized in that a lifting guide rod is fixedly arranged on a base, a mounting seat is fixedly arranged at the upper end of the lifting guide rod, a threaded rod penetrates through the mounting seat through a bearing in a screwing manner, and the threaded rod and the lifting guide rod are arranged in parallel; the lifting seat is screwed and sleeved on the threaded rod through threads, the lifting seat is movably sleeved on the lifting guide rod, the plurality of sampling barrels are arranged on the lower surface of the lifting seat, and the lower ends of the sampling barrels are movably arranged in the base in a penetrating manner; a standard stepping driving structure is adopted, a guiding and transmission driving unit is adopted, tunneling sampling of the sampling barrel and taking out after sampling are completed are achieved, therefore, standardized operation can be conducted, a labor-saving lever structure is adopted, and manual labor during operation is reduced.

The utility model relates to fermentation tank technical field discloses a kind of yellow wine low-temperature fermentation tanks, including fermentation tank, the outside of fermentation tank is fixedly installed with multiple struts, the top of fermentation tank is fixedly installed with inlet, the top of fermentation tank is fixedly installed with pedestal near inlet, pedestal is provided with sampler, sampler includes protective shell, protective shell top is fixedly installed with trachea, trachea top is fixedly installed with sampling pump, and sampling pump is electrically connected with external main controller by cable.In the top of fermentation tank is provided with sampler, and sampler is composed of protective shell, trachea, sampling pump, first multi-tube, second multi-tube and other structures, and first solenoid valve and second solenoid valve are respectively arranged in two ends of multiple second multi-tube, and then cooperate the sampling tube of one end of second solenoid valve to realize the sampling of wine body in fermentation tank, and the depth of multiple sampling tube end in fermentation tank is different, so as to realize the stratified sampling of mutual non-interference.

The invention discloses a gas field feed gas online sampling and separating device and method, and relates to the technical field of gas sampling. The gas field raw material gas on-line sampling and separating device comprises a raw material gas gathering and transporting mechanism, a raw material gas sampling mechanism and a sample collecting and processing mechanism, the raw material gas gathering and transporting mechanism comprises a main pipeline, the main pipeline is connected with a gas taking pipeline and a gas returning pipeline, the raw material gas sampling mechanism comprises a sampling pipeline, and a spoiler and a sampling inner pipe are arranged in the sampling pipeline; the sample flowing chamber is connected with a sample pipeline, the sample collecting and processing mechanism comprises a sample gas pipeline, the sample gas pipeline is connected with a three-way valve, the three-way valve is connected with a collecting bottle and a separator, the separator is connected with a filter, and the filter is connected with an emptying pipeline. The gas field feed gas on-line sampling and separating device is adopted in the gas field feed gas on-line sampling and separating method. The gas field feed gas on-line sampling and separating device and method have the beneficial effects of good sampling representativeness and on-line sampling.

The utility model discloses a coal taking device of being favorable to improve the sampling representativeness of factory coal, it includes the sampling tube of coal taking machine, be equipped with screw rod in the sampling tube, be equipped with sampling box on the sampling tube upper end, sampling box lower extreme and upper end are equipped with sample discharge gate and sample feed port respectively, sample feed port with sampling tube intercommunication, be equipped with the feed port size adjusting device for adjusting the feed quantity at sample feed port, the utility model is favorable to improve the sampling representativeness, and the objective reaction factory coal quality.

The utility model discloses a disc filter with sampling device relates to disc filter technical field, including main pipeline, the outer wall fixed sleeve of main pipeline has reinforced sleeve pipe, the outer wall center of reinforced sleeve pipe is fixedly connected with solenoid valve no.

The invention discloses a mechanical-sweeping radan beam pointing information sampling system, method and device and a medium, and relates to the technical field of radars. The system comprises a servo cooperative controller; the sampling device is connected with the servo cooperative controller; the radar clock source is connected with the sampling device; the encoder is connected with the sampling device; wherein the radar clock source is used for sending a beam synchronization signal to the sampling device; the sampling device is used for performing data sampling on the encoder according to the beam synchronization signal and caching the sampled data; the servo cooperative controller is used for sending a data request packet to the sampling device and receiving a response data packet replied by the sampling device, the response data packet comprises sampling data of the sampling device and time information of the sampling device, and the servo cooperative controller is further used for sending the data request packet to the sampling device according to a trigger timestamp of the data request packet, a current clock and the time information of the sampling device. And carrying out clock skew adjustment. The system can realize radar servo synchronous control and implement synchronous acquisition of beam pointing information.

This invention provides a laser pulse characteristic measurement device and method based on fundamental frequency light modulation sampling, which solves the technical problem that existing measurement optical paths, due to the use of multiple transmission optical elements and the introduction of quantitative material dispersion, cannot easily and effectively measure femtosecond ultrashort pulse lasers with few periods or even single periods. The measurement device provided by this invention is equipped with a first aperture. The light from the ultrashort pulse laser to be measured passing through the large aperture of the first aperture is used as the pump light, and the light passing through the small aperture is used as the signal light. The pump light is reflected sequentially by a second reflecting mirror, a concave mirror, and a medium before being completely blocked by an obstruction. The signal light is reflected sequentially by the first reflecting mirror, a concave mirror, and a medium, and then focused onto a spectrometer through the edge region of the second aperture and a lens. By moving the delay line on the first or second reflecting mirror, the intensity of the signal light at different delays is sampled to obtain the fundamental frequency light modulation intensity curve at different delays.

The application discloses a kind of exploration engineering deep and shallow layer sampling device in the technical field of soil sampling equipment, including drill bit, the upper end of drill bit is connected with drill rod, the drill rod is connected with layered sampling device, two groups of sampling mechanism are installed in the inside of layered sampling device, two groups of sampling mechanism are connected by connecting plate, and control shaft is connected on the connecting plate;The scheme is installed in layered sampling device by sampling mechanism, and layered sampling device and drill rod can be connected by the connecting mechanism installed on layered sampling device, further by drill bit connected with drill rod inserted into drill hole, layered sampling device can be driven synchronous drill rod and inserted into drill hole, and the both ends of layered sampling device can be connected with drill rod, further multiple drill rods, layered sampling device can be staggered in series, further drill rod can insert multiple layered sampling devices into different depths in drill hole, and sampling at different depths is realized.