48 results about "Air sampler" patented technology

The invention discloses a stabilizing support of an air sampler, and belongs to the technical field of environment monitoring equipment, the stabilizing support comprises a support body and a bearing platform used for bearing the sampler, the top of the support body is connected with the bearing platform through a universal spherical hinge assembly, and the universal spherical hinge assembly comprises a base, a universal ball head and a short supporting column; the universal ball head is connected with the bearing platform through a short supporting column, a gravity center adjusting bin is fixedly arranged below the bearing platform, a lantern ring type locking mechanism is arranged on the opening portion of the base, and three or more radial guide grooves are formed in the end face of the opening portion of the base in the circumferential direction of the base. Each radial guide groove is internally provided with a locking block capable of sliding along the groove, the locking lantern ring can be rotated to move in the axial direction of the base, and then the locking blocks are driven to synchronously move inwards along the radial guide grooves through the conical surface extrusion effect so as to tightly hold the universal ball head. The problems that in the prior art, leveling efficiency is low, locking is prone to loosening, and the anti-overturning capacity is poor are effectively and comprehensively solved.

An air sampler adapter (10) adapted to air-tightly contain an air sampling unit (11) remotely sampling air of a zone of interest via a pipe (21), comprising a main portion comprising a housing (15) and a base portion (16) comprising fixing means (161), wherein the fixing means (161) is configured to fix the air sampling unit (11) within said housing (15), a first end portion (17) comprising a sampled air inlet (14) and a first locking mechanism (12) adapted to be switched between an open position during sampling and an airtight closed position, and a second end portion (18) comprising an air outlet (141) and a second locking mechanism (13) adapted to be switched between an open position during sampling and an airtight closed position wherein the air sampler adapter is detachable from the pipe (21) connecting it to the zone of interest and in that the first and second locking mechanisms (12, 13) are adapted to be locked in airtight closed position for clean transportation when detached.

The utility model relates to the technical field of air samplers, and discloses an air sampler for indoor environment detection, which comprises a fixed table, a hydraulic rod is fixedly connected to the side wall of the fixed table, a first sliding table is fixedly connected to the output end of the hydraulic rod, a sliding rail is fixedly connected to the side wall of the fixed table, the first sliding table is slidably connected to the side wall of the sliding rail, and a second sliding table is fixedly connected to the side wall of the sliding rail. An inclined plate is fixedly connected to the side wall of the fixed table, a supporting table is fixedly connected to one side wall of the sliding table, a connecting column is rotatably connected to the interior of the supporting table, a connecting plate is fixedly connected to the bottom of the connecting column, a pulley is rotatably connected to the interior of the connecting plate, and a sampling head is fixedly connected to the top of the connecting column. According to the utility model, through the cooperation of the sliding rail, the supporting table, the inclined plate and other structures, the movement and rotation of the sampling head are realized, so that the sampling range of the sampling head is expanded, the sampling structure is diversified, and the indoor air quality detection and evaluation are more accurate.

One variation of a method includes, during a test period: triggering release of a tracer test load into air in an environment, according to a set of release parameters, by a dispenser arranged within the environment, the first tracer test load comprising a first concentration of tracers of a first type in solution; and triggering an air sampler, located in the environment, to record a timeseries of aerosol data representing amounts of aerosol particles detected at the air sampler during the test period. The method further includes: deriving a tracer signal, representing changes in amounts of tracers in air detected at the air sampler during the test period, based on the timeseries of aerosol data and the set of release parameters; based on characteristics of the tracer signal, characterizing a set of aerosol flow metrics representing behavior of aerosols in the environment during the test period.

The invention discloses a large-scale closed public place aerosol virus enrichment monitoring system based on an STM32 main control platform, which combines an air sampler and a microfluidic analysis technology, adopts a temperature and humidity real-time monitoring module, optimizes an air sampling and virus enrichment process, and realizes that an integrated microfluidic analysis unit completes rapid determination of virus concentration. According to the system, virus concentration detection is carried out on an enriched sample by utilizing a double-antibody sandwich enzyme-linked immunoassay technology, and the virus concentration is determined through absorbance measurement. Experiments show that the detection error of the system is lower than 5%, and virus monitoring which is quick in response, convenient to operate and low in cost can be achieved. The system is suitable for monitoring viruses such as influenza, new coronavirus and norovirus in large closed public places, and provides efficient technical support for public health safety.

The utility model discloses an air sampling device, which relates to the technical field of air sampling equipment and comprises an air sampler body, a guide upright post, a mounting transverse plate and a combined cutting mechanism, and the combined cutting mechanism comprises a driving motor, a driving speed reducer, a driving rotating shaft, a screw rod, a top disc, a middle disc, a sealing washer, a fixed filter cone and a plate frame. According to the design scheme, through the design of the multiple sets of automatic lifting type plate frames, the cutting discs and the fixed filter cone, the connection mode between the cutting discs of the cutter is optimized from threaded connection to compression sealing connection, lifting and dismounting of a single set of discs can be carried out at any time according to needs, and the use convenience of the cutter is effectively improved; and the sampling efficiency can be improved.

One variation of a method includes, during a calibration period: triggering collection of an initial bioaerosol sample by an air sampler located in an environment; and triggering dispensation of a tracer test load by a dispenser located in the environment; accessing a detected barcode level of a barcode detected in the initial bioaerosol sample; accessing a true barcode level of the barcode contained in the tracer test load; and deriving a calibration factor for the environment based on a difference between the detected barcode level and the true barcode level. The method further includes, during a live period succeeding the calibration period: triggering collection of a first bioaerosol sample by the air sampler; accessing a detected pathogen level of a pathogen detected in the first bioaerosol sample; and interpreting a predicted pathogen level of the pathogen in the environment based on the detected pathogen level and the calibration factor.

1. Name of the product in this design: Microbial air sampler. 2. Purpose of this design: To detect microorganisms in the air. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 3 3D diagram. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 5 is omitted. 6. Design 3 is designated as the basic design.

The utility model discloses a simple air sampler which comprises an air sampler body, and the air sampler body comprises a sampler shell, two supports fixedly connected to the outer side of the sampler shell and a detection device fixedly installed on the inner wall of the left side of the sampler shell. An air inlet cylinder with an opening in the bottom is fixedly embedded in the inner wall of the top of the sampler shell, and a first one-way valve with an outlet in the bottom is fixedly communicated with the top of the air inlet cylinder. According to the utility model, a series of structures are arranged, so that the shielding of the upper part can be automatically removed through single driving during sampling, the air sampling work is integrally carried out, the filter screen at the upper part can be automatically closed after sampling, the phenomenon that impurities and pollutants enter from the upper part to influence the next use when the sampling device is not used is prevented, and the safety is improved; in addition, a filter screen is arranged, solid residues in extracted gas can be filtered and intercepted, the phenomenon that a large amount of solid residues enter the interior to cause blockage is prevented, and the using effect is further improved.

The utility model belongs to the technical field of indoor environment detection, and particularly relates to an air sampling device for indoor environment detection, which comprises a frame, an air sampler body arranged at the top of the frame, a filter box arranged at the input end of the air sampler body, a filter component arranged in the filter box, and a rotating seat arranged in the middle of the top of the filter box. A threaded pipe is arranged at the top end of the rotating seat, an adjusting seat is arranged below the outer surface of the threaded pipe, and a sampling pipe is arranged above the outer surface of the threaded pipe. Through mutual cooperation of the filter box, the mounting frame, the sealing strip, the first filter screen, the second filter screen and the third filter screen, the filtering effect of the device is improved, the problem that dust in air is difficult to effectively filter when the device samples air is solved, and through mutual cooperation of a threaded pipe, an adjusting seat, a sampling pipe and a telescopic rod, the sampling efficiency is improved. The problem that when the device samples air, gas at different heights cannot be sampled according to needs is solved.

The present application relates to a sampling lid assembly for a particle monitoring system, preferably a microbiological gas (for example, air) sampler or airborne particle counter. The present application also relates to a particle monitoring system comprising such sampling lid assembly.

1. Name of the product in this design: Base of a microbial air sampler. 2. Application of this design: Overall application: for detecting microorganisms in the air; Local application: as a base for a microbial air sampler. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 2 3D diagram. 5. The bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of Design 1 is omitted; the bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of Design 2 is omitted; there are no design points, so the top view of Design 1 is omitted; there are no design points, so the top view of Design 2 is omitted. 6. Design 2 is designated as the basic design. 7. Other matters requiring explanation: This design is a partial design. The part covered by the red semi-transparent layer in Design 1 is not within the scope of protection, and the part indicated by the dotted line in Design 2 is not within the scope of protection.

The utility model relates to the technical field of air detection, in particular to an air sampler for air detection, which comprises an air sampler main body, a protection component is arranged on the outer wall above the air sampler main body, and a mounting component is arranged below the air sampler main body; the protective assembly comprises a threaded sleeve, the outer wall of the threaded sleeve is connected with a nut, a protective cover is fixedly installed above the nut, a protective cover is arranged above the protective cover, and the protective cover is connected with the protective cover through a hinge. According to the air sampler disclosed by the utility model, through the arrangement of the protection assembly, the protection cover and the protection cover play a protection role, dust is prevented from being accumulated at the suction inlet of the air sampler main body in a storage process, and the accuracy in subsequent use is ensured; the air sampler main body can be directly mounted by rotating the gear I, the operation is simple and quick, bolts are not needed for mounting, and the disassembly and assembly are convenient.

The utility model relates to the field of air samplers, in particular to a sand-proof air sampler which comprises a V-shaped pipe, an air suction head is fixedly mounted at the right end of the V-shaped pipe, an annular groove is formed in the left end of the V-shaped pipe, a filter part is fixedly mounted on the inner wall of the annular groove, and a pipeline is fixedly mounted on the inner wall of a flange connecting part. A suction pump is fixedly mounted at the left end of the pipeline, a V-shaped pipe is mounted, an air suction head is mounted at the right end of the V-shaped pipe, an annular groove is formed, and a filter part is mounted in the annular groove, so that the filter part is limited, the pipeline is connected with the V-shaped pipe through a flange connecting part, when the suction pump works, air is sucked through the air suction head, and the filter part is connected with the V-shaped pipe through a flange connecting part. When gas passes through the interior of the V-shaped pipe, the gas is filtered through the filtering piece, sand, dust and the like are isolated in the V-shaped pipe and finally fall to the lowest position of the V-shaped pipe, the effect that the device can prevent the sand, the dust and the like from entering the sucking pump and the device is achieved, and then sand and sand can be resisted.

The present application relates to a sampling cap for a particle monitoring system, preferably a microbial gas (e.g., air) sampler or an air suspended particle counter. The present application also relates to a particle monitoring system comprising such a sampling cap and a method for a gas monitoring process using such a particle monitoring system comprising such a sampling cap.

1. Name of the design product: Oral air sampler. 2. Use of the design product: The design product is used in combination with an exhaled gas analyzer for oral air sampling. 3. Design key points of the design product: The combination of shape and pattern. 4. Picture or photograph that best shows the design key points: Perspective view.

The utility model relates to the field of atmospheric environment governance, in particular to a timing sampling device for atmospheric environment governance, which comprises a support base, an air sampler main body, an air sampler main body and an air sampler main body, the supporting mechanism is mounted in the inner cavity of the supporting base and can stably support the supporting base; when the supporting base and the air sampler main body are supported, the electric push rod works to slide the two fixing strips, the fixing strips drive the sliding seat to slide on the surface of the guide rail while sliding, and the electric push rod is pushed to be in contact with the ground by utilizing the characteristics of the shear fork rod, so that the supporting base and the air sampler main body are supported; according to the air sampler, the supporting base and the air sampler main body are conveniently supported, the phenomenon that the rollers slide due to unstable limiting of the supporting assembly is avoided, and the air sampler is simple and convenient to operate and avoids the situation that sampling is affected.

1. Name of the product in this design: Cover of a microbial air sampler. 2. Purpose of this design: As a cover for a microbial air sampler. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 2 3D diagram. 5. The right view of Design 1 is symmetrical to the left view of Design 1, so the right view of Design 1 is omitted. 6. Design 2 is designated as the basic design.

The utility model discloses an air sampler which comprises a supporting mechanism, an air exhaust mechanism, a sampling piece, a collecting piece and a sealing piece, wherein the air exhaust mechanism is fixedly arranged on the top surface of the supporting mechanism; a first air inlet is formed in the air exhaust mechanism, and the sealing piece is arranged between the sampling piece and the first air inlet; the sampling piece is of a hollow thin-wall structure with an opening in the top and sequentially comprises a first cylindrical part, a first conical part, a second cylindrical part, a second conical part and a third cylindrical part which are integrally formed and connected from top to bottom; the side wall of the first cylindrical part extends outwards to form a second air inlet, a top opening of the first cylindrical part forms a first air outlet, the first air outlet is correspondingly connected with the first air inlet, a bottom outlet of the third cylindrical part forms a second air outlet, and the collecting piece is connected to the second air outlet; through the reasonable structural design of the sampling piece, the spiral speed of air in the sampling piece is increased, so that the sampling rate of the sampler is increased.

The utility model discloses a portable air sampler, relates to air sampling technical field, including shell and transmission component, the interior middle end of shell is provided with the accommodation groove, and the top and bottom both ends and right side of accommodation groove all are provided with sampling tube, the transmission component is provided the interior rear end of accommodation groove, and the transmission component is provided with the sampling tube. And the transmission assembly comprises a driving motor, a driving shaft, a transmission disc, a transmission rod, a first swing arm, a second swing arm and a third swing arm, the output end of the driving motor is connected with the driving shaft, the transmission disc is arranged outside the driving shaft, and the transmission rod is arranged on the surface of the transmission disc in a penetrating mode. According to the portable air sampler, due to the arrangement of the one-way exhaust valve, the sampling pipe can only be ventilated in a one-way mode, external air is sucked into the sampling pipe through negative pressure generated by piston movement and then exhausted into the sampling bag through the one-way exhaust valve, due to the arrangement of the anti-skid gasket at the hole, a user can conveniently hold the shell by hand to conduct sampling operation, and the user experience is optimized.

The utility model discloses an indoor air sampler, which relates to the technical field of air samplers and structurally comprises a base, pulleys are fixedly mounted at the bottom of the base, an electric telescopic rod is fixedly connected to the top of the base, a fixed plate is fixedly connected to the top end of the electric telescopic rod, and a rotating plate is arranged on the top side of the fixed plate. A water tank is fixedly connected to one side of the top of the rotating plate, a transition cylinder is fixedly connected to the other side of the top of the rotating plate, a collecting cylinder is fixedly connected to the top of the transition cylinder, a cleaning mechanism is arranged in the collecting cylinder, and a connecting pipe is connected to the top of the water tank. According to the indoor air sampler, residual materials in air collected last time can be removed, air collected next time is prevented from being polluted, the collection quality of the sampler is improved, air at different heights and positions can be collected, errors during collection are reduced, and the collection precision is improved.

Implementations disclosed herein provide a compact and easy-to-maintain piece of downdraft equipment for use in facilities with limited floor space that includes a unique air sampler to ascertain the state of dirty air entering the downdraft equipment. The air sampler utilizes a removable portable air quality detector that can be moved to further locate the source of a contaminant when detected. The portable air quality detector may also be replaced when defective without disassembling the downdraft equipment.

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.

1. Name of the product in this design: Upper part of a microbial air sampler. 2. Application of this design: Overall application: for detecting microorganisms in the air; Local application: as the upper part of a microbial air sampler. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 2 3D diagram. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view of Design 1 is omitted. 6. Design 2 is designated as the basic design. 7. Other matters requiring explanation: This design is a partial design. The part covered by the red semi-transparent layer in Design 1 is not within the scope of protection, and the part indicated by the dotted line in Design 2 is not within the scope of protection.

The utility model relates to the technical field of environmental monitoring, and discloses a portable environmental protection monitoring device which comprises a box body, a partition plate is fixedly arranged in the box body, a first EVA foam block is fixedly arranged at the bottom end of the partition plate, a first clamping groove is formed in the surface of the first EVA foam block, a second EVA foam block is fixedly arranged at the top end of the partition plate, and a second clamping groove is formed in the surface of the second EVA foam block. A second clamping groove is formed in the surface of the second EVA foam block, vertical plates are slidably connected to the two sides of the top end of the box body, and a positioning assembly for positioning the vertical plates is arranged in the middle of the top end of the box body. The telescopic height of the vertical plate can be adjusted by sliding the vertical plate, then the height of the air sampler main body can be adjusted, the vertical plate, the air sampler main body and the cutter can be stored in the box body by retracting the vertical plate into the box body, no space is occupied, and the air sampler is convenient to carry; the clamping groove I and the clamping groove II can be used for accommodating the air sampler main body and the cutter respectively.

One variation of a method includes, during a test period: triggering release of a tracer test load into air in an environment, according to a set of release parameters, by a dispenser arranged within the environment, the first tracer test load comprising a first concentration of tracers of a first type in solution; and triggering an air sampler, located in the environment, to record a timeseries of aerosol data representing amounts of aerosol particles detected at the air sampler during the test period. The method further includes: deriving a tracer signal, representing changes in amounts of tracers in air detected at the air sampler during the test period, based on the timeseries of aerosol data and the set of release parameters; based on characteristics of the tracer signal, characterizing a set of aerosol flow metrics representing behavior of aerosols in the environment during the test period.

The utility model belongs to the field of atmosphere collection, in particular relates to a portable comprehensive atmosphere sampler, and aims to solve the problems that a positioning ball is limited by a return spring during use, the mode is unstable, the positioning ball is inconvenient to effectively limit a connecting fixture block, certain potential safety hazards exist, the improvement needs to be carried out, and the sampling efficiency is high. According to the scheme, the comprehensive atmosphere sampler comprises a tripod mounting seat, a fixing mechanism and a comprehensive atmosphere sampler main body, the top of the tripod mounting seat is provided with a positioning seat, the positioning seat is slidably sleeved with an annular plate, the annular plate is fixedly connected with a mounting plate, the atmosphere comprehensive sampler is arranged on the mounting plate, the positioning seat is provided with a fixing mechanism, and the fixing mechanism is connected with the annular plate and the tripod mounting seat. According to the utility model, through the cooperation of all the components, the effect of quickly disassembling and assembling the atmosphere comprehensive sampler main body can be achieved, and the convenience is improved.

The utility model discloses a device for testing sampling efficiency in occupational health, which comprises an acrylic box, a sample box and a sample box, wherein the acrylic box is used for simulating gas-state, vapor-state and aerosol-state chemical substance environments with different concentrations and is of a closed structure; the air sampling combination comprises an air sampler and an air sampling pipe communicated with the air sampler, and the air sampling pipe partially penetrates into the acrylic box; the at least two air collectors are connected to the air sampling pipe in series, are used for directly sampling gas, are positioned outside the acrylic box, are detachably arranged and are in a detached state during pretreatment. A feasible device is provided for a sampling efficiency test, the structure is simple, raw materials can be easily obtained, quantitative production can be achieved, and machining is convenient; on-site environments with different concentrations can be simulated, volatile target substances are effectively collected, and the collection efficiency is improved; and gas volatilization is carried out in the acrylic box, so that environmental pollution can be reduced.

The invention discloses a method for improving biological aerosol sampling efficiency, and relates to a biological aerosol collection technology in the field of environmental science, and the method comprises the following steps: (1) using a quartz glass fiber filter membrane (the size is 250 mm * 230 mm, and the aperture is 2.2 [mu] m) to cooperate with an air sampler to collect microbial particles; (2) physically stripping substances on the surface layer of the hair surface of the filter membrane by adopting an ultraviolet sterilized polyethylene glycol terephthalate (PET) hard brush (the length of brush hair is 2.85-3.15 cm), and collecting microorganisms; and (3) extracting DNA through a soil DNA kit, and combining fluorescence quantification and agarose gel electrophoresis detection. According to the method, a quartz film rough surface-supporting surface layered structure is creatively utilized, efficient collection of microbial particles is achieved through physical stripping, the limitation of a traditional chemical elution method is overcome, and the DNA recovery rate and the operation efficiency are remarkably improved; the sampling efficiency is superior to that of a mixed cellulose ester filter membrane, and the cost benefit and the adaptability of a high-flow sampler are both considered. The method can be widely applied to the fields of environmental monitoring and public health.

The utility model discloses an atmosphere sampler, which relates to the technical field of environment monitoring equipment, and comprises a sampler body, a sampling bottle, an air pump and a positioning mechanism, the air pump and the positioning mechanism are fixedly arranged on one side of the sampler body, the sampling bottle is clamped in the positioning mechanism, and the atmosphere sampler also comprises a stirring mechanism arranged in the sampling bottle, an exhaust port is formed in the top of the sampling bottle, an air inlet pipe is arranged at the bottom of the sampling bottle, a one-way air inlet valve is arranged in the air inlet pipe, the output end of the air pump is communicated with the air inlet pipe, and the stirring mechanism comprises a stirring assembly and a driving motor fixedly mounted at the top of the sampling bottle; the stirring assembly comprises a driving shaft which is rotatably mounted in the sampling bottle in the vertical direction. According to the atmosphere sampler, through cooperative arrangement of the positioning mechanism and the stirring mechanism, rapid positioning and clamping of the sampling bottle are achieved, the sampling efficiency is improved, contact between absorption liquid and gas is more uniform, and the accuracy of a detection result is improved.