90results about How to "Avoid cross contamination" patented technology

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 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 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 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 utility model discloses a kind of space transcription chip clamping mould, including heating base (1), compression part, diaphragm piece (8) and chip seat (7), the top of heating base (1) is provided with heating plate (2), the bottom of heating base (1) is arranged with multiple heat conduction columns (3), compression part includes compression cover (4) and positioning member (5), diaphragm piece (8) includes multiple mutually isolated through holes (801), chip seat (7) is arranged between positioning member (5) and compression cover (4), the upper surface of chip seat (7) is provided with the chip accommodating groove (701) for positioning chip (6), the bottom of chip accommodating groove (701) is provided with avoiding hole (704), heating plate (2) passes through the avoiding hole (704). The scheme can ensure the positioning stability of chip, avoid chip fragmentation, while ensuring that the setting temperature of each reaction area of chip and PCR instrument heating base plate remains highly consistent.

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.

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 utility model relates to a sampler technical field especially is a kind of small food sampler, including tube, the one side of tube is fixedly connected with sealing strip, tube bottom end is fixedly connected with connecting assembly, rotating sampling assembly is rotatably connected in tube inside, the inside fixed connection of connecting assembly has aeration assembly, rotating assembly is rotatably connected with aeration assembly outside, aeration assembly lower end is fixedly connected with air bag assembly, connecting assembly includes connecting ring, annular hole is arranged in the inside of connecting ring, annular groove is arranged in the bottom end of connecting ring, clamping groove is arranged in the inside of connecting ring, rotating sampling assembly includes rotating sampling piece, rotating sampling piece bottom end is fixedly connected with support connection magnetic block, the breakthrough fusion of miniaturization structure design and epidemic prevention safety performance is realized in the present application, ensure that the sample amount of each sampling operation is taken out accurately and up to standard, residual attached in device can also be removed by airflow disturbance, avoid the cross contamination between different batches of samples.

This utility model relates to the field of lipstick technology and discloses a lipstick with zero-degree silicone, including a tube body. An installation tube is fixedly connected to one side of the tube body, and a sealing cap is installed on the outside of the installation tube. An extension block is fixedly connected to the inner wall of one side of the sealing cap. A sealing gasket is fixedly connected to one end of the extension block away from the sealing cap, and a stopper is fixedly connected to the other end of the sealing gasket. A connecting tube is installed outside the installation tube, and an output cap is installed outside the connecting tube. A placement groove is provided on one side of the output cap. The outside of the stopper engages with the discharge port of the output cap. A tear-off assembly is provided on the outside of the tube body. In this utility model, the combination of the sealing cap and the installation tube, and the blocking of the stopper at the discharge port, effectively prevent the lipstick from being accidentally squeezed out during storage or transportation, thereby keeping the inner tube dry and clean.

The utility model relates to a kind of sample bottle bottle-opening device, sampling device and stereoscopic structure detection device, it includes drive mechanism, screw cap mechanism, fixed mechanism and tray mechanism, wherein, the support module of tray mechanism includes several modularized racks, rack can make the sample bottle suspended on it Setting;Screw cap mechanism can be clamped to sample bottle, to make under the driving effect of drive mechanism drive sample bottle to carry out multidimensional motion, and can be transferred to the sample bottle placed on tray mechanism to fixed mechanism;The bottle body support plate of fixed mechanism can support the bottle bottom of sample bottle, and by bottle gripper from the opposite side of sample bottle Clamping, to realize the limiting of the bottle body of sample bottle;When the bottle body of sample bottle is limited by fixed mechanism, the bottle-opening gripper of screw cap mechanism can make the bottle cap of sample bottle be limited by the way of tightening bottle-opening gripper, and by bottle-opening motor drive bottle-opening gripper drive bottle cap to rotate.

This invention discloses a Western medicine dispensing device for pharmacies, belonging to the field of Western medicine dispensing technology. To address the problems of distorted concentration data due to dynamic detection methods and time-consuming static detection methods when testing the concentration of Western medicines, the invention includes a dispensing platform. A dispensing cylinder is fixedly connected within the platform, and several concentration detection components are evenly arranged within the cylinder. A first driving component is located on one side of the platform, and several stirring components are evenly arranged on its outer wall. A second driving component is located on another side of the platform, rotatably connected to the first driving component. This invention can reduce the volume of the static area of ​​the medicine solution, quickly block turbulent diffusion, shorten the static transition time, and, in conjunction with the stirring structure, dissipate residual disturbances, improving static efficiency, detection speed, and detection accuracy, thereby accelerating the overall dispensing speed.

The application relates to a ceramic multi-material continuous forming light-curing additive manufacturing equipment and a process control method thereof. The application is applied to additive manufacturing of multi-material heterogeneous and complex-shaped ceramic components. The ceramic multi-material continuous forming light-curing additive manufacturing equipment comprises a vibration isolation table, a release film conveying module, a multi-material feeding module, a substrate rotating module and a DLP light machine projection displacement module, and each module is installed on the upper surface of the vibration isolation table; the vibration isolation table is a mounting base of the whole equipment and is used for reducing the influence of external vibration on printing precision; the release film conveying module is used for conveying paste and residual paste after curing; the multi-material feeding module is used for feeding different ceramic pastes and realizing material feeding switching; the substrate rotating module is used for bonding and curing ceramic blanks, realizing multi-layer printing and substrate cleaning during material replacement; and the DLP light machine projection displacement module is used for projecting slice patterns to cure the paste and realizing large-format splicing forming.

The application provides a continuous extraction equipment for preparing starch sugar and chufa oil, which comprises a pulverizer, a feeding hopper communicated with the top of one side of the pulverizer, a motor fixedly installed on the top of the pulverizer, a first extraction zone arranged at the bottom of the pulverizer, a second extraction zone arranged below the first extraction zone, a separation zone arranged below the second extraction zone, a rotating rod rotatably arranged in the pulverizer, a top end of the rotating rod fixedly connected with the output end of the motor, first and second grinding heads fixedly connected with the outer side of the rotating rod, a ceramic lining matched with the first and second grinding heads arranged on the inner wall of the pulverizer, and the mesh number of the first and second grinding heads decreases from top to bottom. The pulverizing, deoiling, saccharifying and separating processes are integrated, and the efficient, continuous and high-value utilization of chufa resources is realized.

This invention discloses an integrated liquid diet supply and digestion monitoring system for gastrointestinal care. The system includes a core control module, a liquid diet supply module, a digestive status monitoring module, a multi-scenario adaptation module, a multi-device collaboration module, and a data management module. By constructing a three-tiered closed-loop system of "early warning-intervention-emergency care" to prevent aspiration, it achieves non-invasive automatic monitoring of gastric residual volume, personalized customization and infusion linkage of liquid diet formulas, linkage between intermittent infusion and oral care, and full-process traceability analysis of abnormal events. It is portable and can interconnect with multiple devices such as smart beds, monitors, and hospital HIS / LIS systems to form a smart medical ecosystem. This invention achieves the integration and intelligentization of liquid diet supply, digestion monitoring, and gastrointestinal care, covering four major scenarios: hospitals, rehabilitation centers, nursing homes, and homes. It significantly improves diagnostic and treatment efficiency and patient comfort, meeting both clinical needs and quality control research requirements.

The utility model relates to fishing supplies technical field, propose a kind of bait box, including box, box both ends have opening, further include for being arranged in the end cover of box both ends, end cover is used to open or close opening, box interior has first baffle and second baffle, first baffle and second baffle form installation gap, and several illuminating lamps are installed and arranged in installation gap, and first baffle and second baffle are all light-transmitting material, first baffle and an end cover form first storage cavity, second baffle and another end cover form second storage cavity. Solve the insufficient light in the prior art bait box, angler is difficult to quickly and accurately find the required bait, this not only waste time, also can miss the best fishing opportunity problem.

The utility model relates to the field of biomedical technology, concretely is a kind of platelet-rich plasma preparation device.The device includes storage tube, sealing cover and piston assembly.Storage tube is divided into storage part and injection part, and stop structure is arranged in storage cavity;Sealing cover is in interference fit with injection part and can be punctured, and closed blood sampling is realized in combination with vacuum negative pressure cavity.Piston assembly realizes locking and release by the cooperation of elastic movable head and stop structure, ensures that each blood layer is independently pushed after centrifugal stratification, and avoids cross contamination.Storage tube is made of transparent material and is provided with scale, so that stratification state and accurate separation can be observed.The device is integrated with blood sampling, centrifugation and extraction functions, and PRP preparation can be completed through single centrifugation and push-pull piston, which is convenient to operate and high in efficiency.The utility model solves the problems of complex operation, low separation efficiency and easy pollution of traditional method, and significantly improves the reliability and practicality of PRP preparation.

The utility model discloses a kind of ultramicro spectrophotometer cuvette detection structure, including operation platform, the rotating seat on the top of operation platform is rotatably connected with flip cover, main road optical fiber is equipped on the operation platform, the bottom of operation platform is also installed with cuvette placing box.The utility model passes through adopting double optical path design, pedestal and cuvette light path are independent, integrated design, without physical replacement spare part, by software selection "pedestal" or "cuvette card slot" mode, can effectively avoid cross contamination, when cuvette detection, directly cuvette is placed in the fixed slot beside pedestal, light path passes through incident optical fiber, aligns cuvette light transmission hole, the utility model structure is simple, without complex light path switching system, effectively solve the positioning problem and light energy loss problem of physical switching, improve the range of measurement, accuracy and reliability of equipment, convenient operation, convenient to carry, with higher practical value.

This invention relates to the field of marine water sample detection and control technology, and discloses an automated control system for stratified marine water sample collection, including parameter acquisition, feature recognition, spatial retrieval, and sampling control modules. The feature recognition module uses pressure feedback to convert the medium property sequence into differential features and extracts dynamic control boundaries to offset the heave and oscillation of the controlled detection components. The spatial retrieval module constructs a three-dimensional parametric surface based on the dynamic control boundaries and discretizes it to generate an octree topology space. It establishes a hash map index table that corresponds to the trigger state and the memory addressing base address. By addressing the base address with a single instruction, the algebraic calculation process is eliminated, and the trigger delay jitter caused by the calculation is eliminated. This invention realizes the transformation from fixed depth triggering to active physical and chemical boundary tracking control mode, eliminates instruction lag and decouples spatial fluctuation interference, and ensures that the sampling action is accurately locked to the physical and chemical boundary.

The application discloses a milk frother for making delicate milk froth and relates to the technical field of milk frothing equipment. The milk frother comprises a milk froth generating system and an independent cleaning system. The milk froth generating system comprises a first three-way pipe fitting, a milk pump, a first heater and a multi-way switching valve assembly. The independent cleaning system comprises a second heater and a shunt structure of the multi-way switching valve assembly. In the cleaning mode, the high-temperature cleaning water output by the second heater is divided into a forward water flow and a reverse water flow. The forward water flow cleanses the milk pipeline. The reverse water flow flows reversely through the first heater, a filter joint and the milk pump in sequence and is finally discharged by a blow-off branch. The application realizes active aortic pulse air intake double frothing. By means of a double independent heating and bidirectional reverse flow cleaning architecture, the problems of pipeline dead angle milk scale residue and water-milk cross contamination are effectively solved.

This invention discloses a continuous drawing production method for aluminum alloy cable conductors. The specific steps of the production method are as follows: S100, pre-treating the aluminum alloy rod blank to make it ready for drawing; S200, using a non-sliding wire drawing machine driven by a motor, and configuring a roughing die, a medium drawing die, and a fine drawing die in sequence according to the drawing order; S300, setting a fracture early warning processing mechanism between adjacent drawing dies, which includes an acoustic emission sensor, a temperature sensor, a diameter gauge, an eddy current flaw detector, and a tension sensor; S400, continuously drawing the pre-treated aluminum alloy rod blank through the roughing die, the fracture early warning processing mechanism, the medium drawing die, the fracture early warning processing mechanism, and the fine drawing die in sequence; during the drawing process, each fracture early warning processing mechanism collects real-time data on the acoustic emission, temperature, wire diameter, surface defects, and tension of the aluminum conductor at the corresponding position; S500, after drawing, sending the conductor into an online annealing device for continuous annealing treatment.

The utility model belongs to capric acid glyceride production equipment technical field, concretely relates to a kind of enzyme synthesis capric acid glyceride reaction kettle, including reaction kettle, agitator, it is characterized by: reaction kettle top is equipped with the quick sampling mechanism installed by tank top flange one, tank top flange two, quick sampling mechanism includes the pipeline system of venturi, suction tube, connecting pipe, wherein the top end of suction tube is connected to venturi throat, the bottom end of suction tube is inserted into the inside of reaction kettle, venturi two ends are connected nitrogen valve and backwash valve respectively, backwash valve connects reaction kettle inside, connecting pipe connects sample release pipe, sample release valve is installed on sample release pipe, nitrogen valve is connected with nitrogen pipeline.The flow of nitrogen in venturi safely and conveniently takes out reaction liquid, effectively improves sampling convenience and safety;Reaction liquid can be circulated in quick sampling mechanism and reaction kettle to avoid sample cross-contamination.

This invention discloses a water quality monitoring stratified sampling device, comprising a sampling bucket, a support rod at the top of the sampling bucket, an air rod inserted through the middle of the support rod, the air rod penetrating the sampling bucket, a piston plate at the bottom of the air rod, an exhaust channel on one side of the piston plate, and an opening and closing part within the exhaust channel; a locking rod on one side of the support rod, the outer end of the locking rod locking into a lock hole on the top side of the sampling bucket, a rope on the outer side of the locking rod, and a float at the other end of the rope; a main water inlet at the center of the bottom of the sampling bucket, with a valve on the main water inlet; several water outlets on one side of the sampling bucket, with water outlet pipes connected to the water outlets; several rotating parts inside the sampling bucket, dividing the interior of the sampling bucket into several sampling chambers, with an auxiliary drive part at one end of each rotating part, which is installed on the outer wall of the sampling bucket, to achieve independent segmentation of water samples at different depths, effectively avoiding cross-contamination between water samples and improving the accuracy of monitoring data.

The utility model discloses a kind of storage device of potassium hydroxide, including storage container, KOH input port, inert gas input port, circulating pump system, observation port, sealing unit, cooling unit and control module are equipped on storage container;The control module is connected with metal ion concentration sensor, temperature sensor, flow sensor and pH monitor;The control module is used to collect the above sensor data, controls circulating pump system and cooling unit operating state, adjusts soft water supply flow, and triggers early warning when parameter is abnormal, simultaneously, operating data is uploaded to remote platform.

This invention relates to the field of medical assistive devices, specifically to an intelligent interactive care medicine box for elderly care and rehabilitation. The box includes a housing with a detachable top cover; a rotating medicine cylinder rotatably fitted to the upper part of the housing, with several medicine storage compartments arranged circumferentially within the rotating medicine cylinder; a counting compartment fixedly connected to the inner wall of the housing, with an opening at the bottom of each medicine storage compartment communicating with the counting compartment; a counting disc rotatably fitted to the inner wall of the counting compartment; and several counting grooves of different contours arranged circumferentially on the counting disc, each groove being used to accommodate different specifications of medication. A carrying compartment is detachably connected to the bottom of the housing, with the bottom of the counting compartment communicating with the carrying compartment. A linkage mechanism is also provided within the housing to drive the rotating medicine cylinder and the counting disc to rotate synchronously, thereby conveying medications of different specifications adapted to the counting grooves to the carrying compartment. This invention enables the dispensing of different medications, reducing the difficulty of operation for the elderly.

The utility model discloses a kind of green soil material production systems based on calcium sulfite and sodium sulfite, comprising: reaction kettle shell, a pair of side bearing seat and kettle inner seat;The utility model relates to the technical field of green soil production and processing, the production system is realized by material pushing and stirring structure of accurate calcium sulfite and sodium sulfite with quantitative mixing: two raw materials are proportionally conveyed to reaction kettle shell by independent metering module, ensure uniform mixing by multidimensional continuous turning over after, cooperate with electric auxiliary heating layer and maintain optimum reaction temperature, then catalyst spraying release structure starts, atomizing spray nozzle will catalytic component with droplet form evenly cover material surface, make catalytic reaction efficiently, from process can completely eliminate raw material cross-contamination.

The utility model provides a kind of sampling device for lubricating oil detection, belong to lubricating oil detection technical field. Including fixed plate, the one end of fixed plate is fixedly installed with sampling assembly, sampling assembly includes connecting plate, is fixed in the one end of fixed plate, the connecting plate is opened with the adjusting hole of strip shape along vertical direction;Multiple sliding blocks, slidably embedded in adjusting hole, the mounting hole of being opened in each sliding block is penetrated;Multiple rubber cap droppers, respectively fixed on corresponding sliding block, the pipe body of each rubber cap dropper passes through mounting hole, and rubber cap end is towards outside;Two clamping plates of symmetrical arrangement, slidably installed in the end of connecting plate, rubber cap dropper rubber cap end is between two clamping plates;Adjusting mechanism, including screw rod fixed in each sliding block side portion, the side wall of connecting plate is opened with the sliding hole of being communicated with adjusting hole, and the nut of screw rod passes through sliding hole one end screw connection. The utility model realizes multilevel sampling and anti-pollution design, improves lubricating oil detection effect.

This utility model discloses a toilet back panel opening and closing device, including a toilet body, an openable and closable toilet seat ring, and a cleaning chamber at the rear of the toilet body. The cleaning chamber contains a cleaning space, and the front face of the cleaning chamber has an opening for the toilet seat ring to pass through. A movable back panel is provided on the cleaning chamber, and the back panel moves to open and close the opening. When the toilet seat ring is lifted, it can be moved into the cleaning space through the opening. This utility model, by designing a cleaning chamber and providing a movable back panel, allows the toilet seat ring to be lifted into the cleaning chamber when the back panel is raised. When the back panel is lowered, the toilet seat ring is separated from the toilet body. This allows for cleaning of the toilet seat ring inside the cleaning chamber without water splashing onto the toilet body, effectively preventing cross-contamination.

The application discloses a rice gene expression and function verification integrated detection device, which comprises a box body, a liquid nitrogen freezing assembly for freezing rice is installed in the box body, a gene extraction assembly for extracting rice genes is installed in the box body, and a gene detection assembly for detecting and verifying rice genes is installed at the top of the box body; a plurality of steps such as liquid nitrogen freezing, sample grinding, nucleic acid extraction, purification and qPCR detection are integrated, full-process automatic operation is realized through a control module, manual frequent intervention is not needed, human operation errors are greatly reduced, the accuracy and repeatability of detection results are improved, a high-concentration saline solution is combined, a low-salt elution process design is adopted, automatic magnetic bead adsorption and cleaning processes are combined, interference substances such as proteins and impurities in samples are effectively removed, the nucleic acid purity can reach more than 95%, the recovery rate can reach more than 85%, and the reliability of gene expression and function verification results is ensured.