41results about How to "Increase the sampling area" patented technology

A diameter and density distribution analyzer of scanning nozzle atomizing fog drop is used in measuring instrument technical field, comprising programmable guide rail support, two microadjustment bearer, particle diameter and density optical sensor, A/D converter and computer. The particle diameter and density optical sensor is of isolating construction and consisted of transmitting terminal and receiving end which are installed on microadjustment bearer fixed on programmable guide rail support, electro optical signal 10 collected by transmitting terminal and receiving end is transferred to receiving end of A/D converter from which digital signal is transferred to computer. The invention is mainly used in atomizing field research of various nozzles, without special requirement to work medium of atomizing field, and it can even be used to measure special distribution of solid state particle diameter and density in jet stream with gas and solid two states, its has large sampling area, small measurement error of density, its measuring course is easy to be automation and experimental measurement period is short.

An explosive and narcotics detection system detects the presence of trace particles of materials that are adhering to surfaces. In order to detect such particles, to the particles are first dislodged or released from the surface, then transported to the detection instrument, and then accumulated on or in a particle collection device. When the sample collecting system and the target surface are in relative motion across the line-of-sight greater than fifteen centimeters per second, non-contact sample collection may be accomplished using a vortex or vortex attractor particle collector together with a plurality of air or aerosol jets. A plurality of large diameter vortex collectors may obtain samples at relative line-of-sight velocities greater than five feet per second over a large surface area and for a complex-shaped surface.

The invention provides a multi-channel automated chamber system, comprising an air compressor, an infrared CO2 analyser, a buffer, a drier, a filter, a flowmeter, an air pump, a data acquisition unit and a plurality of chambers, wherein, an air cylinder is arranged between the side wall and an upper cover of each chamber, the air compressor is connected with a multi-ported valve which has a plurality of branches, each branch is provided with an electromagnetic valve, each gas branch is connected with the air cylinder inside each chamber; each chamber is connected with one multi-ported valve by a gas branch provided with an electromagnetic valve and the gas branch is connected in sequence with the buffer, the drier, the filter, the flowmeter, the infrared CO2 analyzer and the air pump and then is connected with another multi-ported valve; each branch of the multi-ported valve is connected with each chamber, each branch is provided with an electromagnetic valve to form a circulating gas path; the infrared CO2 analyzer is connected with the data acquisition unit by a circuit; the electromagnetic valve which is connected with the air cylinder and controls the extension of the air cylinder and the electromagnetic valve which is arranged on the chamber and is used for controlling the circulating gas path are connected with a logic controller by the circuit. The system has the advantages that the reaction speed is high, the efficiency is high, the all-weather continuous and circular detection of a plurality of places is realized, and the influence on the target to be detected is small.

The invention discloses a vaginal discharge sampling device for obstetric clinical application and relates to the field of vaginal discharge sampling devices. In order to solve the problems that existing vaginal discharge sampling devices are inconvenient to use, low in comfort and limited in sampling area, the following scheme is provided: the vaginal discharge sampling device comprises a main barrel and an arc-shaped plate, wherein a first hinge is arranged between the arc-shaped plate and the main barrel, a first threaded barrel is arranged on the right inner wall of the main barrel, a second threaded barrel is sleeved with the first threaded barrel, a round rod is sleeved in the second threaded barrel, a sliding groove is formed in the left inner wall of the main barrel, a handle is fixedly connected to the right end of the round rod, the left end of the round rod is fixedly connected with a connecting disc, a sampling cotton head is connected to the connecting disc, the left sideof the round rod is sleeved with a cylinder, and multiple sliders are fixedly connected to the outer surface of the cylinder. The device has the characteristics that the device is convenient to operate and adjust and wide in sampling area, besides, the arc-shaped plate can be opened in a vagina and the comfort is improved.

The invention discloses a workpiece curvature detection system and method. The system comprises a sensor and a data processing module, wherein the data processing module comprises a segmentation module, a curvature rough measurement module and a curvature accurate measurement module. The sensor is used for collecting data of a plurality of discrete points on the plane and the curved surface, and projections of the plurality of discrete points on the plane are on the same straight line. The segmentation module is used for segmenting the plurality of discrete points into a set of discrete pointson a straight line and a set of discrete points on an arc line. The curvature rough measurement module is used for calculating an arc circle parameter range in combination with a geometric method anda least square circle fitting method and taking the arc circle parameter range as a parameter space search range of a Hough transform method. The curvature accurate measurement module is used for obtaining an actual curvature parameter space of the arc by adopting a Hough transform method and calculating a curvature accurate value of the arc by using a probability model. The system provided by the invention has the advantages of small noise influence, strong robustness and more accurate measurement.

The invention discloses an integrated mobile monitoring vehicle. The integrated mobile monitoring vehicle comprises a vehicle body and is characterized in that a detection chamber, a control chamber and a power supply chamber are successively arranged in the vehicle body; dust detection devices are arranged in the detection chamber; a control computer used for receiving and storing information anda data analyzing device used for receiving detection data and analyzing the received detection data are arranged in the control chamber; an electronic map is arranged in the control computer; a powersupply device is arranged in the power supply chamber; a ground dust sucking device is arranged at the front end of the vehicle body and is communicated with the dust detection devices; dust discharging pipes are arranged at the bottom of the vehicle body; an air detection device is arranged at the upper end of the vehicle body; a camera is arranged on the rear side of the vehicle body and is connected with the control computer. The monitoring vehicle is capable of dynamically detecting the content of the dust on the whole ground in real time; the problems of low efficiency and high contingency of the current manual detection are solved; the working efficiency is improved; the safety of workers is ensured.

The invention discloses combined intelligent water source sampling analysis equipment for environmental monitoring, which comprises a sampling pipe and a movable sampler, the sampling pipe is fixedly mounted in a monitored water area, and the top of the sampling pipe is exposed out of the water surface and is in threaded connection with a joint pipe; and a quick connector is arranged at the bottom of the movable sampler, and the movable sampler is in quick sealing connection with the connector pipe through the quick connector. The combined intelligent water source sampling analysis equipment for environmental monitoring integrally adopts a combined structure, the sampling pipe is matched with the movable sampler, multi-point sampling can be carried out on a water source area, the sampling area is wide, and meanwhile, the sampling pipe is simple in integral structure, low in cost and beneficial to wide arrangement; and the sampling tubes are internally provided with the height-adjustable sampling inner boxes, water sources at different water levels can be sampled according to needs, each sampling tube is marked, and the position information of the sampling tubes is quickly read through the RFID chips, so that intelligent statistics is facilitated, and convenience and rapidness are realized.

The invention relates to a pleura biopsy puncture sampling brush, structurally comprising a puncture needle drum with the front end being a sharp end, and a needle rod connected in a core hole of the puncture needle drum in an inserting manner, wherein a top opening of the core hole of the puncture needle drum is opened on the side wall of the front end of the puncture needle drum after rotating by an angle not less than 90 degrees; the top part of the needle rod is connected with an elastic brush rod axially extending out; and brushing hair extending out transversely towards one side is connected on the elastic brush rod. In the pleura biopsy puncture sampling brush, the pleura tissue cells around the puncture point are brushed by utilizing planar rotation of a hair brush, so that the planar sampling with circular sweeping of the hair brush is realized, the sampling area is greatly increased, and the possibility of finding out the characteristic tissue cells is also increased. After clinical trial, the one-time sampling success rate can reach more than 40%. In the pleura biopsy puncture sampling brush, the structure is simple, the design is reasonable, and the sampling is reliable; and when the pleura biopsy puncture sampling brush is used for pleura biopsy sampling, the wound surface is small, the pain of a patient is less, and the restoration is easy.

The invention discloses a portable seabed in-situ shallow-surface sediment sampling device, and relates to the technical field of seabed sampling. A fixing plate is externally connected to a handle; outer cylinders are fixedly arranged on the fixing plate and evenly distributed on the outer side of a lead screw, the bottom ends of the outer cylinders are conical, open grooves A back to the lead screw are formed in the side faces of the outer cylinders, and open grooves B right opposite to the lead screw are formed in the side faces of the outer cylinders. Each rotating shaft is arranged in thecorresponding outer cylinder; the sampling barrels are arranged on the rotating shafts, and sampling ports corresponding to the open slots A are formed in the side surfaces of the sampling barrels; gears A are fixedly arranged on the rotating shafts and are over against the open slots B of the outer cylinders; the gears B are rotationally arranged on the screw rod, and each gear B is matched withthe three gears A at the same time. The device has the beneficial effects that the defects of complicated operation and low sampling success rate when the seabed sediment samples are obtained by a traditional method can be effectively avoided, and the sediment samples at different layers of the seabed can be obtained by one-time diving operation.

An objective lens attachment (10) positions a microsphere lens (13) between the objective lens (2) and a sample. The attachment (10) is adapted to position the microsphere lens at a desired separation from the objective lens (2) to provide optimal super resolution imaging performance. The objective lens attachment (10) comprises a cap (14) having a substantially tubular body (15) and a top (16). The top (16) is provided with a contact surface (17) surrounding an aperture (18). The aperture (18) is aligned with the objective lens when the cap (14) is fitted to the objective lens housing (3). A support sheet (11) formed from optically clear material is affixed to the cap (14). Upon the support sheet (11) is provided an adhesive layer (12). Affixed to the adhesive layer (12) is a microsphere lens (13), the microsphere lens being aligned with the centre of the objective lens (2).

The invention discloses a soil pathogenic microorganism test sample storage box. The box comprises a box body, a box cover, refrigeration equipment arranged on the box body, a partition frame and multiple sample storage cases; scales are arranged on the outer walls of the sample storage cases in the height direction, a label sticking area is arranged on the upper back edge of each sample storage case, and an indication label used for indicating geographical location information of a soil pathogenic microorganism test sample stored in the corresponding sample storage case is stuck to each labelsticking area. The box has the advantages that the multiple sample storage cases are used for storing soil samples at the different geographical locations in the same area conveniently, and the soilsamples are placed centrally, so that the occupied area is small; according to the indication labels on the sample storage cases, the soil samples of the needed geographical location can be sought rapidly, soil sample seeking is facilitated, box body refrigeration is facilitated through the refrigeration equipment, pathogenic microorganisms in the soil samples stored in the box body can keep living in the original area temperature environment as much as possible, changing is avoided, and then the use effect is good.

A device for detection of a substance by Raman spectroscopy comprises a holder (40) with an area (41) adapted for receiving a sample of the substance and a vibration engine (42). The vibration engine (42) is configured to move the holder (40) in a three-dimensional motion when the area (41) with the substance is arranged in front of a focusing lens (FL) of the spectrometer to provide a large actual sampling area and hence to achieve a strong signal at detection. The device comprises a SERS surface (30) arranged at the area (41) of the holder (40) for adsorption of the sample of the substance. A method for detection of a substance by use of the device is also presented.

The invention relates to a layered large sampling area sampling method for marine benthic animals. The method comprises the following five steps of step 1, determining coordinates of an ocean samplingpoint through GPS equipment; step 2, throwing a quadrat to a region where the ocean sampling point is located and marking the position of the quadrat as an underwater sediment sampling region; step 3, collecting image information of the underwater sediment sampling region through imaging equipment; step 4, horizontally putting a sampler with scales into the underwater sediment sampling region ofthe step 2, and enabling the put sampler to be flush with the seabed; and step 5, layeredly collecting the sediment in the sampler and then layeredly placing the sediment in a sampling barrel and sealing. According to the layered large sampling area sampling method for the marine benthic animals, a sediment sample can be directly layeredly collected within the range of the quadrat, so that the completeness and representativeness of the benthic animals in the collected sediment are ensured. The method has the advantages of high operation controllability and accurate sampling. According to the method, the range of the collected sediment is 0.25 to 1.0 square meter, and the sampling area of a bottom sampler in the prior art is greatly improved, so that the representativeness of the sample isimproved.

The embodiment of the invention relates to the technical field of bioengineering and discloses an air microorganism sampling device. The air microorganism sampling device comprises an endurance inhalation module, a sampling area enlarging module and a monitoring module. The endurance inhalation module is provided with an inhalation part, and the inhalation part is provided with an inhalation opening end. The sampling area enlarging module is provided with a silica gel hopper, and the silica gel hopper is provided with a first port and a second port. The inhalation opening end of the inhalation part is tightly connected with the first port of the silica gel hopper. The surface of the inhalation part is buckled with the monitoring module. The second port of the silica gel hopper is used for fixing a sampling module. When the inhalation part works, air sequentially passes through the sampling module, the sampling area enlarging module and the endurance inhalation module from the outside of the sampling module and then flows out of the air microorganism sampling device. The monitoring module is used for monitoring the air flowing through the endurance inhalation module to obtain environment quality data. By means of the air microorganism sampling device, the problems that the capture rate and the sampling efficiency are low in the sampling process can be solved.

The invention discloses a detecting method for diamond thickening degree on an electroplating abrasive tool surface. The detecting method comprises the following steps: a first step, taking a photo of the abrasive tool by using a high-rate camera; a second step, obtaining a characteristic value of the abrasive tool photo through a computer; a third step, establishing a function between the characteristic value of the abrasive tool photo and the thickening degree; a fourth step, establishing a set of software system, wherein the software can process the characteristic value of a 2D picture taken by the camera and calculates the thickening degree of the abrasive tool through the function between the characteristic value and the thickening degree according to the characteristic value. According to the detecting method for diamond thickening degree on the electroplating abrasive tool surface disclosed by the invention, the detecting equipment requirements are low, the data processing is convenient, only the photo is required to obtain, statistic analysis is performed through the computer software, the data is relatively stable, the reliable sampling area is large, the sampling is frequent, and the data is relatively accurate.

The invention discloses a pole piece multi-port strip sampling device, which comprises a machine case, a motor, a frame, an upper roller knife, a lower roller knife, a long shaft, a belt, and a gear assembly. The motor is arranged in the machine box. The frame is installed on the chassis, the upper roller knife, the lower roller knife, and the long axis are installed on the frame from top to bottom in sequence, and the belts are respectively sleeved on the motor On the long axis, the upper roller knife, the lower roller knife, and the long axis are meshed with each other through a gear assembly, and the upper roller knife and the lower roller knife are respectively provided with corresponding For the upper blade and the lower blade, the invention also discloses a sampling method thereof. The invention has the advantages of convenient and fast sampling operation, accurate sampling size, suitable for large-scale sampling, high-frequency inspection and sampling in the production process, large sampling area, improved sampling operation efficiency, and can be operated by a single person, reducing the The production cost is low, and the measurement error is small, which ensures the accuracy of sampling.