310results about How to "Avoid cross contamination" patented technology

The utility model discloses a placing device for high-frequency endoscopic surgery electrode storage, which comprises an endoscope electrode, the surface of the endoscope electrode is sleeved with an outer frame, the front side of the outer frame is open, the inside of the outer frame is movably connected with a shaft rod through a bearing, and the shaft rod is movably connected with a bearing. The top and the bottom of the surface of the shaft rod are fixedly connected with bearing discs, the endoscope electrodes are evenly inserted in the surfaces of the bearing discs in a surrounding mode, and the endoscope electrodes at different positions can be located at the open position of the outer frame in the process that the shaft rod carries the bearing discs to rotate. The endoscope electrodes are sleeved with the outer frame, the open front face is arranged to facilitate storing and taking, the shaft rod and the bearing disc are combined so that the multiple endoscope electrodes can be evenly connected in a surrounding and inserted mode, the electrodes at different positions can be located at the open position through rotation of the shaft rod, and a user can conveniently select and use the electrodes. And the storage efficiency and the use convenience of the electrode are improved.

The utility model relates to a medicine bottle for a soft fog inhaler and a soft fog inhaling device.The medicine bottle comprises a bottle body, a plunger is arranged in the bottle body, and an inner cavity of the bottle body is divided into a sealed space for storing liquid medicine through the plunger; a filter element and an atomization chip are sequentially arranged at the outlet end of the bottle body, the filter element is located between the sealed space and the atomization chip, and the atomization chip is fixedly assembled at the outlet position of the bottle body; an elastic piece is arranged on the outer side of the atomization chip, a supporting piece is arranged on the outer side of the elastic piece, and the supporting piece is fixedly connected with the outlet end of the bottle body; when external force is applied to push the plunger, liquid medicine enters the atomization chip through the filter element and is atomized by the atomization chip to form fog drops to be sprayed out. According to the soft fog inhalation device, the medicine bottles in the soft fog inhalation device can be rapidly replaced, the atomization requirements of different particle sizes can be met, the cross contamination problem caused by different liquid medicine of an atomization chip is avoided, and the soft fog inhalation device can solve the problems that a soft fog generation driving device is high in operation difficulty, high in manufacturing cost, poor in working stability and the like.

This utility model belongs to the field of industrial instrument maintenance technology, specifically relating to a portable online cleaning device for flow meters. It includes an air tank, a pressure regulating valve connected to the top surface of the air tank, a pressure gauge connected to one side of the pressure regulating valve, and a quick connector connected to the other side of the pressure regulating valve. A medium flow pipe is connected to the surface of the air tank, and an electric air source is connected to the other end of the medium flow pipe. A knob is connected to the top surface of the air tank, and a handle is also connected to the surface of the air tank. When cleaning gas or steam flow meters, the lithium battery-powered electric air source drives the compressed air in the air tank. After the pressure is regulated by the pressure regulating valve, the compressed air is delivered to the flow meter through the quick connector. This portable gas-liquid time-division multiplexing type online cleaning device for flow meters, with its significant advantages of high efficiency, low cost, and high versatility, brings a new solution to the field of industrial instrument maintenance, effectively improving production efficiency and reducing enterprise operating costs.

This invention relates to a fully automatic integrated machine for primary processing of basa fish, belonging to the field of fish primary processing equipment technology. It solves the problems of low automation levels, lack of dedicated equipment, poor adaptability of general-purpose equipment, uncontrollable gutting depth leading to fish meat contamination, and incomplete or damaged skinning; low efficiency and significant damage to fish meat due to fragmented multi-stage processing; and cross-contamination between viscera, head, tail, and finished product collection. A synchronous belt conveyor clamping device is horizontally mounted on the frame, with two sets of synchronous belt conveyors arranged side-by-side to form a clamping and conveying area, stably clamping the fish during transport. The processing device is sequentially equipped along the conveying direction with viscera removal, head and tail removal, back opening, skinning, and collection devices, enabling continuous automated viscera removal, head and tail removal, back opening, skinning, and finished product collection for basa fish. This invention achieves fully automated primary processing of basa fish, significantly improving processing efficiency, operational safety, and product reliability.

The application belongs to the field of coating detection, and specifically discloses a detection equipment for coating production, which comprises a sampling mechanism, wherein the sampling mechanism is connected with a base, a stirring tank is installed at the upper end of the base, the stirring tank is communicated with the sampling mechanism, the sampling mechanism comprises a stepping motor, the stepping motor is connected with a glass frame, a spectrometer is installed at one end of the glass frame, the output end of the stepping motor is in transmission connection with a lead screw, the lead screw is in threaded connection with a sliding rod, the sliding rod is in sliding connection with the glass frame at both ends, the sliding rod is connected with three sample cups which are arranged at equal intervals at the top of the sliding rod, and the sliding rod is in contact with a quantitative control mechanism. The stepping motor is used for driving the sliding rod to translate and trigger the quantitative control mechanism, the multi-angle test pieces arranged in an interlaced mode are combined with the spectrometer, the full-process automatic detection from layered sampling, sedimentation observation to coating optical performance analysis is realized, and the problems of sample cross contamination and low detection efficiency in the prior art are solved.

The utility model provides a raw material screening device for terretride production relates to raw material screening technical field, including screening box, the both ends of screening box are all set up and lead material mouth, the both sides of screening box are set up respectively and shake the mouth, import and export, and the inside of screening box is provided with screening mechanism, screening mechanism includes screening box, screening box swing installation is in the inside of screening box. The utility model discloses, through setting up air pump, connecting pipe, gas cavity and gasbag pipe, has constructed adjustable screening hole aperture control system. Air pump transports gas to gas cavity through connecting pipe, drives gasbag pipe to swell or contract in screening hole, realizes accurate, flexible adjustment of screening hole effective aperture, can adapt to different batches, different process stage's raw material granularity demand of terretride, solves the problem that traditional device filter hole fixedly is not adjustable, needs frequently to replace screen, promotes equipment versatility and screening precision, guarantees that raw material granularity meets the specific standard of tablet compression.

The utility model discloses a sampling box for excrement collection and transportation, which comprises a box body, a drawable box arranged on the right side of the box body, a plurality of supporting plates stacked in the drawable box, a placing groove, a cold storage groove, a refrigeration channel and a supporting table arranged on the supporting plates, a lifting cover mounted at the end part of the placing groove, lifting belts arranged on two sides of the supporting plates, refrigeration boxes arranged on two sides of the drawable box, and a sampling box arranged on the box body, the upper part of the box body is provided with a storage chamber and is provided with a partition plate, the lower part of the box body is provided with universal wheels, and the side part of the box body is provided with a telescopic pull rod; the sampling box is reasonable in structure, classified collection and closed protection of samples can be achieved, independent supporting plate taking-out operation is facilitated, inconvenience caused by overall moving is avoided, effective refrigeration of excrement samples can be achieved through cooperation of the refrigeration box and the cold storage tank structure, the transportation stability is improved, meanwhile, the storage space is arranged for partitioned storage of sampling tools, cross contamination is avoided, and the sampling box is convenient to use. And the whole device has good portability, operability and sample storage capability.

The utility model relates to the technical field of raw material medicine temporary storage, especially to a raw material medicine temporary storage tank, including temporary storage tank body, still including heat preservation groove, water adding pipe, drain pipe, sealing upper cover, opening, hollow water distribution ring, liquid inlet pipe and liquid jet head, the utility model discloses hot water or ice water is added to the inside of heat preservation groove through water adding pipe, and the temperature of hot water or ice water is passed to its inside through temporary storage tank body, so that the temperature in temporary storage tank body keeps the environmental temperature required by raw material medicine, when not needing heat preservation, just need to open drain pipe and can discharge the hot water or ice water in heat preservation groove, and the cleaning fluid is conveyed into hollow water distribution ring through liquid inlet pipe through external water delivery device, and the cleaning fluid in hollow water distribution ring will be sprayed through a plurality of liquid jet heads, since the water outlet of liquid jet head is opposite the inner wall of temporary storage tank body, so the cleaning fluid sprayed by liquid jet head can flush the inner wall of temporary storage tank body, and realizes the function of heat preservation and continuous cleaning.

The utility model relates to the technical field of veterinary drug production, in particular to a waste collecting device for veterinary drug production, which comprises an outer shell, a storage shell, a waste water feeding pipe, a solid waste feeding port and an isolation plate, the outer shell is fixedly mounted above the storage shell, and the inner space of the outer shell is communicated with the inner space of the storage shell; an isolation plate is connected and mounted between the inner wall of the top end of the shell and the inner wall of the bottom end of the storage shell, a crushing mechanism is arranged in the shell, an alarm mechanism is arranged in the storage shell, and a filtering mechanism is arranged on the inner wall of the side edge of the isolation plate. When solid waste enters the shell from the solid waste feeding port, the interior of the shell and the interior of the storage shell are divided into two parts through the partition plate, so that waste water and the solid waste are collected separately, and the problem that the waste water and the solid waste are mixed together, and cross contamination is caused is solved.

The invention discloses a rotating disc spraying device for moisturizing non-woven fabric. The rotating disc spraying device comprises a feeding unit, a spraying unit, a recycling unit, a control system and two independent liquid supply units. The spraying unit is provided with an up-down staggered turntable group corresponding to two sides of the non-woven fabric The double liquid supply units can be used for containing different liquids or concentrations and can be shared when the liquids are the same on both sides. The recycling units are provided with recycling grooves corresponding in height, and cross contamination is avoided through classified recycling. The PLC control module is in linkage with all the components, and flexible switching of single-face spraying and double-face spraying with the same liquid, the different liquid and the different concentrations is achieved. The device solves the problems that an existing device is single in function, uneven in spraying, serious in waste and the like, the device is matched with the cotton soft towel spunlace non-woven fabric, the moisturizing uniformity and the production efficiency are improved, and the cost is reduced.

The invention belongs to the technical field of coal rock mechanical property testing, particularly relates to a mechanical testing device and method for coal rock loading, and solves the problems that an existing device is single in function, fragments splash, cleaning is inconvenient, and protection and cleaning are not linked. The device comprises a supporting mechanism, and a modular loading mechanism is detachably mounted on the supporting mechanism and comprises a static extrusion loading module and a dynamic impact loading module; the linkage type protection mechanism is provided with two protection half barrels, and fragments can be prevented from splashing when the two protection half barrels are closed; the sweeping mechanism is started when the protective half barrels are unfolded, a rotating ring drives a Z-shaped plate to rotate, an annular inclined panel is driven to vibrate, and fragments are swept; the device integrates a static extrusion function and a dynamic impact function, so that the equipment utilization rate and the application range are improved; protection and cleaning are linked, safety is guaranteed, cross contamination is avoided, and the experiment accuracy and efficiency are improved.

The utility model discloses a kind of live pig slaughtering process carcass bacterium-reducing equipment, it is related to slaughtering bacterium-reducing technical field, including first baffle, second baffle, water pump, water supply line and motor, the first baffle inside is provided with cleaning mechanism, the cleaning mechanism includes water pump, cleaning roller, motor, water supply line and high pressure spray head, the high pressure spray head is set below water supply line, the water supply line is set above water pump, the motor is installed above cleaning roller, cleaning mechanism is through the double action of high pressure spray head water spraying and cleaning roller mechanical friction, realize the stereoscopic removal of carcass surface stain and bacteria.

The utility model discloses an eye moistening instrument belongs to eye nursing technical field, it is including: main casing, the rear side of main casing is provided with connecting barrel and protective cover, the inside fixed mounting of connecting barrel has connecting cover, the inside fixed mounting of main casing has first inner cover and connecting head, the side of connecting head is provided with spray port, water adding port and water jet, connecting cover and protective cover are detachably connected with connecting head, the inside hoop fixed mounting of first inner cover has water pump. The utility model discloses through integration ultrasonic wave atomization and miniature water pump sprinkling double mode realization atomization eye moistening and pulse water flow flush dual function, break through the limitation of traditional single atomization equipment, and user can one -key switching operation satisfies dry eye relief and deep -cleaning demand, and the rotary buckle locking design of combination detachable connecting barrel and sealing cover ensures the equipment leakproofness and easy clean, avoids cross -contamination and bacterial growth.

The application discloses a transformer for extra-high voltage direct current transmission engineering and relates to the technical field of transformers, in particular to a transformer for extra-high voltage direct current transmission engineering. The transformer comprises a transformer body, an oil tank arranged in the transformer body, a drain valve pipe communicated with the oil tank and mounted on one side of the transformer body, a main flow guide pipe connected with one end of the drain valve pipe, and a drain valve component and a sampling mechanism arranged at two ends of the main flow guide pipe. The transformer for extra-high voltage direct current transmission engineering is provided with the sampling mechanism. When sampling, the sampling pipe body is automatically moved up to the main flow guide pipe in an arc-shaped notch opened by itself and covered by a composite sealing ring under the transmission of the lifting transmission assembly, and then the clean oil sample in the main flow guide pipe enters the inside of the sampling pipe body along the cylinder wall of the sampling pipe body in a wall layer flow, so that air is avoided from being sucked by free jet flow. In the oil inlet process, the oil pressure pushes the piston rod in the buffer assembly to move down synchronously, and the gas in the sampling pipe body is discharged through the associated second electromagnetic valve pipe, so that the detection requirement of low-bubble sampling is met.

This utility model discloses a shaping, cooling, and cleaning device for pigskin puffing processing, including a spraying mechanism and a feeding mechanism. The spraying mechanism includes a clean water tank, a water supply pipe, a diversion pipe, and a spray pipe. The feeding mechanism includes an equipment frame, a chain conveyor belt, a hanger, a drive motor, a submersible pump, and cleaning wheels. The hanger is fixedly installed on the upper surface of the equipment frame. The drive motor is installed on the side surface of the equipment frame to drive the chain conveyor belt and cleaning wheels. The submersible pump is installed in the water supply tank and supplies water to the diversion pipe through the water supply pipe. The diversion pipe is connected to the top of the spray pipe, and the spray pipe is movably installed on the equipment frame. This utility model has the advantages of adjustable spray angle, self-cleaning conveyor belt, and thorough cleaning, solving the problems of incomplete cleaning and cross-contamination caused by traditional equipment.

The utility model provides a pipetting mechanism for slide preparation, which comprises a lower extension rod connecting plate capable of vertically moving, a pipette connector is arranged on the lower extension rod connecting plate, an air duct is arranged in the pipette connector, an air guide hole is formed in the upper end of the air duct, a connecting nozzle is arranged at the lower end of the air duct, and the connecting nozzle is provided with a plurality of cylindrical surface sleeving parts arranged in a step shape. A flange edge is arranged on the outer edge of the upper end of the transfer pipette, a pipette discharging frame is arranged on one side of the transfer pipette connector, a shifting piece is arranged at the lower end of the pipette discharging frame, the end of the shifting piece is attached to the outer wall of the connecting nozzle, and the problem of automatic pipetting of the slide preparation equipment is solved.

This invention relates to the field of dental chair water system disinfection equipment, and discloses a modular integrated dental chair water system cleaning and disinfection device, including a device shell and internally detachably connected modules for clean water supply, chemical solution supply, water system switching, control, and monitoring. Each module is an independent detachable unit, connected via standardized fluid interfaces and electrical connectors; the clean water and chemical solution modules have independent fluid branches and standardized output interfaces connected to the water system switching module; the water system switching module has a built-in solenoid valve group, with its input end connected to the former two and its output end having a total output interface for the dental chair water system; the control module is electrically connected to each module, and the monitoring module includes a pipeline sensing unit. This invention effectively solves the problems of low integration, lack of modularity, inconsistent interfaces, and cumbersome maintenance in existing equipment, achieving fully automated cleaning and disinfection of the dental chair water system, while also possessing the advantages of strong adaptability and stable operation, significantly improving cleaning efficiency and hygiene safety.

The invention discloses a pressure-controllable clamping and dipping device and method for rock sample cementing treatment, and belongs to the technical field of rock sample tests. The device consists of a radial centering pressurizing module, an independent heating container and a hydraulic control system, the independent heating container and a saucepan with a built-in thermometer are fixed on a base, and a heating wire is arranged at the bottom of the base. An annular hydraulic oil groove is integrated in the base and connected with an internal pushing rod through multiple sets of hydraulic oil pipes, a sample contact plate is installed at the tail end of the pushing rod, and a supporting block is arranged on the outer side for positioning. The radial centering and pressurizing module is erected above the circumferential centering and pressurizing module; and an internal pushing rod is connected with the pressure transmission plate and the sample contact plate. A manual hydraulic pump is connected with an oil pump pressurization connector through a quick connector, a hydraulic oil pipe is provided with a high-precision pressure gauge and a control valve, a separator is laid in a sample contact area, and all the components cooperate to achieve cementing treatment of a rock sample at constant temperature and constant pressure.

The utility model discloses a hoister hopper cleaning mechanism, relates to the technical field of hoister equipment, aims to solve the technical problems that materials in a winnowing pan of an existing hoister are easy to remain and difficult to clean, and unloading control is not flexible enough, and is characterized by being provided with an unloading assembly and an air knife assembly. The discharging assembly comprises a discharging guide plate controlled by an electric push rod to ascend and descend, and selective discharging can be achieved according to needs. After the air knife assembly is arranged at the discharging position, the dustpan completing discharging is purged through an inclined air outlet of the air knife assembly, and residual materials are removed. By means of the structure, discharging of the winnowing pan is controlled according to needs, operation flexibility is improved, the winnowing pan is automatically cleaned through the air knife, cleanliness is guaranteed, material pollution is avoided, and overall operation efficiency is improved.

The utility model discloses a closed chip consumable, including main part, be equipped with sample inlet, pre dilution area, ration area, mixing area and detection unit on the main part, and pre dilution area includes premixing cavity and premixing fluid channel with its export intercommunication, and mixing area includes mixing cavity and mixing fluid channel with its export intercommunication, sample inlet, premixing cavity, premixing fluid channel, ration area, mixing cavity, mixing fluid channel and detection unit sequence connection, and premixing cavity and mixing cavity all store reagent in, and premixing cavity and mixing cavity can be pressed and moved, and after pressing and moving, the content in it is mixed in it. This consumable can realize zero contact operation, can avoid cross contamination and operating error, and shorten the detection time. Moreover, premixing cavity can handle sample in advance and then make sample enter each mixing cavity and handle, this can reduce the structure size of each mixing cavity, thereby reduce the structure size of consumable.

The utility model discloses online sampling and detecting equipment for water pollutants, relates to the technical field of water pollutant detection, solves the technical problem that sampling, detecting and washing cannot be automatically and repeatedly carried out in the existing technical scheme, and comprises a main vehicle body, a mounting frame is fixedly mounted on the upper wall surface of the vehicle body, and a detecting pipe is fixedly mounted on the mounting frame; the detection pipe is a vertical pipe, a detection laser transmitter is arranged at the upper end in the detection pipe, and a detection laser receiver is fixedly mounted at the lower end of the detection pipe. According to the utility model, the unique control valve is matched with a sampling and flushing structure, so that the automatic switching of water samples and the automatic flushing of the detection pipe can be realized; water sample residues and cross contamination are effectively avoided, and the accuracy and representativeness of detection data are greatly improved; the device integrates a controller and a touch screen, operation can be completed conveniently in a touch mode, multiple sampling detection modes are supported, manual guarding is not needed, and the device is suitable for long-time unmanned online monitoring in various water environments.

The utility model discloses a miniature nectar collection device with multi-specification capillary, which comprises: multi-specification collection modules, power control modules and detachable nectar collection modules connected vertically in sequence; the power control module comprises: a power pump and a control assembly, the power pump is used to deliver the nectar collected by the collection module to the collection module, and the control assembly is used to regulate the working state of the device; the detachable nectar collection module is used to collect the nectar delivered by the power pump; the multi-specification collection module comprises: a hollow rotating drum, a plurality of sliding blocks and a plurality of multi-specification capillary tubes, one end of the rotating drum is movably connected to the power control module; the inner wall of the rotating drum is fixed with a capillary tube mounting rack, the plurality of multi-specification capillary tubes are vertically mounted on the capillary tube mounting rack, one end of the plurality of sliding blocks is connected to the capillary tubes one by one, the lateral wall of the rotating drum is provided with a sliding groove for the sliding blocks to slide in the vertical direction, and the other end of the sliding blocks is mounted in the sliding groove. The device realizes efficient, clean, portable and adjustable collection of nectar.

The application discloses a servo filling machine with cylinder cleaning function, which effectively solves the problem of inconvenient cleaning of the filling machine; the servo filling machine comprises a rack, a filling mechanism arranged at the front of the rack, a hopper arranged at the top of the rack, a filling head of the filling mechanism connected with the hopper through a piston cylinder, a piston arranged in the piston cylinder in an extending and retracting mode, a connecting plate fixed to the end of the piston, a driving mechanism for controlling the connecting plate to ascend and descend, a receiving plate arranged at the bottom of the piston, liquid in the piston cylinder falling on the receiving plate after the piston is pulled out of the piston cylinder by the connecting plate, and a discharging pipe arranged in the rack and communicated with the receiving plate; the servo filling machine with the cylinder cleaning function can clean the cylinder and the filling head thoroughly, cross contamination is avoided, and the servo filling machine meets the GMP and other health standards.

The utility model relates to a feeding machine discharge technical field especially, relates to a self -cleaning formula feeding machine discharge gate. The utility model provides such a self -cleaning formula feeding machine discharge gate, including the discharge pipe, mounting panel, liquid transfer pipe, shower nozzle and flow guide pipe etc. The mounting panel is fixedly connected with the discharge pipe upper end, and the discharge opening corresponding with the discharge pipe is seted up in the middle part of mounting panel, and the liquid transfer pipe is fixedly installed in the inner wall of the middle part discharge opening of mounting panel, and a certain number of shower nozzles are uniformly fixedly connected with the lower end of liquid transfer pipe, and the flow guide pipe is fixedly arranged in the front of mounting panel. The utility model discloses a liquid transfer pipe, shower nozzle, flow guide pipe and liquid transfer valve are arranged, and when stopping or changing material, the cleaning fluid is sprayed in the discharge pipe, and the residual material adhered on the inner wall is dissolved or softened, which achieves the effect of effectively preventing material accumulation and cross contamination.

The utility model discloses a device for analyzing ammonia nitrogen in a water sample, which comprises an analyzer, a bracket is arranged on one side of the top of the analyzer, a take-up wheel is rotatably mounted in the bracket, and a lead is wound on the take-up wheel; one end of the wire is connected with a signal interface of the analyzer, the other end of the wire is fixedly provided with an ammonia nitrogen probe, a cleaning bin is fixedly arranged on the side wall of the analyzer and below the bracket, a cleaning hole is vertically formed in the cleaning bin in a penetrating manner, and the wire and the ammonia nitrogen probe both penetrate through the cleaning hole; a plurality of groups of nozzles are fixedly embedded around the inner wall of the cleaning hole, a connecting pipe for connecting each group of nozzles is mounted in the cleaning bin, and a water conveying pipe is mounted at the input end of the connecting pipe. The ammonia nitrogen probe can be accurately controlled to retract and release through the servo motor, a high-pressure rotating water curtain cleaning system is integrated, automatic retraction and all-directional flushing of the probe after detection are achieved, manual intervention is reduced, cross contamination is avoided, and the detection efficiency and precision are improved.

This utility model relates to the field of biomedical technology and discloses a professional shaker for gynecological liquid-based cytopathology, comprising a base, an outer shell, an inner shell, and a support assembly. A vibrating base plate is mounted on the top of the base, and a vibrating assembly is mounted on the bottom of the vibrating base plate, located within the inner cavity of the base. The outer shell is mounted on the top surface of the vibrating base plate, and a top cover is detachably connected to the top of the outer shell. A first magnetic connection part is mounted on the bottom of the inner side wall of the outer shell. The inner shell is located within the inner cavity of the outer shell, and a second magnetic connection part is mounted on the bottom of the outer side wall of the inner shell, magnetically connected to the first magnetic connection part. The top of the inner shell contacts the top cover. The support assembly is mounted on the inner wall of the inner shell, and several cell fluid tubes are detachably connected to the support assembly. This utility model enables precise vibration and temperature control, allowing for the simultaneous and efficient processing of multiple gynecological samples, thus improving work efficiency.

This invention relates to the field of biodiversity monitoring technology and discloses a monitoring and alarm device for rare and endangered aquatic organisms based on environmental DNA. The device includes a sampling and enrichment unit, a nucleic acid in-situ extraction and purification unit, a isothermal fluorescence detection unit, an environmental factor monitoring unit, a main control and data transmission unit, a power supply and protection unit, and a remote alarm and control platform. The main control and data transmission unit obtains the pressure change rate based on the digital pressure signal output by the microcomputer-controlled pressure sensor, extracts the high-precision peristaltic pump operating time parameter to calculate the actual filtration volume, and performs a division operation to obtain the environmental DNA calibration concentration. It then calculates the dynamic transmission power value by combining the network signal strength indicator value and transmits the complete communication data packet. The remote alarm and control platform obtains a risk index based on the environmental DNA calibration concentration, maps the spatial coordinate signal to an electronic map module to generate coordinate nodes, and displays the risk index and digital environmental parameters in association.

The application discloses a kind of gas detection pretreatment device and method for limited space, it is related to gas detection technical field.In the application: including frame, frame is equipped with top mouth cavity, multiple gas storage cavities, each gas storage cavity is communicated with the sealing element of top mouth cavity, the power module of independent drive sealing element is arranged in the positioning lining of top mouth cavity, sealing element is also provided with reverse elastic module.Positioning lining and transverse partition form air gap, frame is equipped with the air valve of air cock, piston disc and pressure module are in gas storage cavity, top cover has corresponding switch unit, and gas pump and gas detection equipment are also configured.The application method is stored by independent gas storage cavity isolation, first fills gap, then high-pressure sampling, first exhaust to low pressure, then detects, realizes multiple-point gas non-cross contamination sampling and high-purity accurate detection.

The invention discloses a glass fiber raw material-oriented robot cooperation online XRF analysis system, which comprises two multi-channel quantitative sampling and sample preparation units, a multifunctional measurement unit and a central control system, and two cooperation robot units are arranged in an open operation area between the two multi-channel quantitative sampling and sample preparation units; the central control system is electrically connected with the two multi-channel quantitative sampling and sample preparation units, the multifunctional measuring unit and the two collaborative robot units, the material quantity is accurately controlled through a quantitative feeding mechanism of a double-stage gate plate matched material level sensor, powder is pressed into a sample cake with uniform density through a constant-pressure compaction assembly, and the sample cake is pressed into a sample. Meanwhile, the measuring station enables the sample cup to be tightly attached to the window of the detection equipment through an exclusive jacking mechanism, so that the X fluorescence analyzer is accurately matched with the moisture measuring instrument, and the measuring precision is comprehensively improved from sampling quantification, sample preparation form to the detection process.