35results about How to "Low pollution rate" patented technology

The invention discloses a phoebe bournei stem in-vitro rapid propagation method, and relates to the technical field of forest tree tissue culture.The phoebe bournei semi-wood branch is used as an explant, two reagents are used for double-effect sterilization, and a sterile material is rapidly and efficiently obtained; plant growth regulators with different component combinations and concentrations are added for systematic research on axillary bud induction culture, adventitious bud subculture multiplication culture and rooting culture, and browning prevention and control and strong seedling culture tests are further carried out aiming at the browning phenomenon of phoebe bournei cluster buds in the adventitious bud subculture multiplication culture process; according to the method, effective measures for preventing phoebe bournei subculture browning and a method for improving seedling quality are screened, a phoebe bournei stem in-vitro rapid propagation technical system is successfully constructed, a reliable method is provided for phoebe bournei precious resource preservation and large-scale propagation, and a technical reference is provided for in-vitro culture research of other phoebe tree species.

This invention relates to the field of laser cutting technology, specifically a laser processing device for the production of disconnect switches. The device includes a main body with a sliding arm slidably connected to it. A transverse drive is slidably connected to the sliding arm, and a laser cutting head is mounted on the transverse drive. A follow-up pretreatment mechanism is fixedly connected to the sliding arm. The follow-up pretreatment mechanism includes a second double-headed telescopic rod fixedly connected to both sides of the sliding arm. An upper plate and a lower plate are fixedly connected to the upper and lower sides of the second double-headed telescopic rod, respectively. This device uses multiple telescopic rods to move the adsorption box, achieving sealing of the adsorption box and opening of the suction box. Simultaneously, it uses a wedge, rack, and gear linkage to switch the clean section of the dustproof cloth strip, automatically cleaning the protective mirror through negative pressure suction and wiping with the clean cloth strip. Compared to manual cleaning of the protective mirror, this cleaning method is more convenient and efficient, improving the overall cutting efficiency of the equipment.

This invention discloses a composite flow control device of needle valve and pressure valve and its working method, which solves the problem that fluid controllers in the prior art all use single control. It has the beneficial effects of realizing the switching between pressure valve and needle valve and avoiding fluid contamination. The specific solution is as follows: A composite flow control device of needle valve and pressure valve includes a support frame, which supports a switching control structure. A needle valve and a pressure valve are arranged sequentially on one side of the switching control structure. The needle valve includes a needle valve body, a first flow channel is provided in the needle valve body, the needle valve body is connected to an isolation shell, an internal rotor is provided in the isolation shell, an external rotor is arranged circumferentially outside the isolation shell, the bottom of the isolation shell is fixedly connected to a screw, and part of the screw is located inside the internal rotor to form a helical drive between the internal rotor and the internal rotor. One end of the internal rotor is provided with a needle-shaped component that can be inserted into the first flow channel. The switching control structure includes a rotating shaft that passes through the support member. The rotating shaft is rotatable and is connected to the sun gear of the planetary gear component.

The utility model discloses a drainage bag capable of collecting pleural effusion and sediment respectively. The lower portion of a drainage bag body is in a hopper shape. The liquid outlet assembly is arranged at the bottom end of the drainage bag body and comprises a liquid outlet channel arranged at the bottom end of the drainage bag body; a manual valve is arranged on the liquid outlet channel and is used for controlling the liquid outlet channel to be opened or closed; the sediment collecting assembly comprises a cylindrical first box body, the top end of the first box body is provided with a liquid inlet, and the liquid inlet is provided with a protective cap; a filter screen is fixedly arranged in the first box body and is used for filtering precipitates; the pleural effusion collecting assembly is arranged below the sediment collecting assembly, and when the second box body is installed at the bottom end of the first box body, the pleural effusion collecting assembly is used for collecting pleural effusion. According to the drainage bag capable of respectively collecting pleural effusion and sediment, the whole operation process is simple, convenient and environment-friendly; the operation of cutting off the drainage bag in a traditional mode is avoided, and meanwhile the problem that pleural effusion leaks to pollute the environment when the drainage bag is cut off is avoided.

The present application relates to a kind of passion fruit explant brown prevention tissue culture medium and its tissue culture method, it is related to passion fruit tissue culture technical field.The present application provides a kind of passion fruit explant brown prevention tissue culture medium, the tissue culture medium includes the following components:MS culture medium, passion fruit juice, 6-BA, IBA, sucrose, agar.The present application is improved by culture medium, explant low-temperature treatment and explant secondary disinfection, and the pollution rate of explant, browning rate is reduced, improves the survival rate of passion fruit explant in the process of tissue culture, overcomes the shortcoming that browning mortality is high in the process of passion fruit tissue culture, improves the tissue culture efficiency of passion fruit.

This utility model relates to a sampling device for caustic soda production testing, belonging to the field of caustic soda production testing technology. It includes a caustic soda production device and a conveying pipeline fixedly connected to the bottom of the caustic soda production device and extending to its exterior. An online sampling device is installed at the end of the conveying pipeline away from the caustic soda production device. The online sampling device includes a sampling valve fixedly connected to the end of the conveying pipeline away from the caustic soda production device, and a sampling box is installed at the bottom of the sampling valve. This sampling device for caustic soda production testing, through the conveying pipeline, can transport caustic soda from inside the caustic soda production device. By using the sampling valve and connecting pipe, a portion of the caustic soda inside the conveying pipeline can enter the connecting pipe. By using an internally threaded sleeve and a sampling tank, a portion of the caustic soda can be collected through the sampling tank. This achieves online sampling during the caustic soda production process and significantly reduces the contact time between caustic soda and air.

This invention relates to the field of brine purification technology in the salt production industry, and discloses a silicon carbide flat-sheet membrane brine purification system and process for the salt production industry. The invention uses a modular silicon carbide flat-sheet membrane filtration unit as its core, combined with a minimalist pretreatment feeding unit. Through the modular collaborative design of an open-top membrane tank shell at atmospheric pressure, a detachable stackable membrane tower, a negative pressure water production component, an array-type aeration component, and a refined brine backwashing component, it achieves negative pressure suction filtration with the membrane tower completely submerged in the crude brine, directly treating crude brine containing calcium and magnesium precipitates without the need for pre-filtering and circulation equipment. The modular design of each component in this system allows for easy assembly and disassembly, high filtration accuracy, low energy consumption, strong anti-fouling properties, and stable production of calcium and magnesium precipitates. 2+ +Mg 2+ The refined brine with ≤1ppm and SS≤1ppm has significant advantages over traditional ceramic membrane systems in terms of equipment investment, operating costs, membrane life and industrial adaptability. It can be widely used in brine refining in the salt industry and brine refining in chlor-alkali systems.

The utility model provides a kind of one tube bacterial / cell detection device, including test tube body, sealing cover, filter membrane and three-way valve, the test tube body has upper opening, the upper chamber being communicated with upper opening, the transition chamber being located below upper chamber and being communicated with upper chamber and the reaction chamber and waste liquid chamber being located below transition chamber and being communicated with transition chamber respectively;The sealing cover is used to seal cover and be closed in the upper opening of test tube body;The filter membrane is arranged in upper chamber;The three-way valve is arranged in transition chamber to control the on-off between upper chamber, reaction chamber and waste liquid chamber.Bacterial / cell collection, lysis to detection whole process is completed in test tube body, realizes one tube operation;Eliminate the step of sample transfer between multiple devices, compared with traditional mode has lower contamination rate and more simple operation, to improve the accuracy, convenience and reliability of detection.

The utility model discloses a multifunctional sofa, which relates to the technical field of furniture, the multifunctional sofa comprises a sofa body, an air purifier and a sensory component, an installation space is formed in the sofa body, the sofa body is provided with an air outlet, and the air outlet is communicated with the installation space; the air purifier comprises a purification main machine and an air outlet pipe. The purification host communicates with the air outlet through an air outlet pipe; the sensory assembly includes one or more of an odor generator, a sound player, and a light source. The purification main machine purifies the air, and the air purified by the purification main machine flows out through the air outlet pipe and the air outlet; the air outlet pipe plays a role in guiding the purified air, so that the probability that the purified air is polluted in the sofa body is reduced; the air purifier is positioned in the mounting space in the sofa body, so that the internal space of the sofa body can be fully utilized, and the miniaturization of the multifunctional sofa is facilitated; the sensory component is used for enriching the sensory experience of the user and improving the satisfaction degree of the user.

The invention discloses an automatic specimen storage box which comprises a box body and a display screen with a touch function, the display screen is installed at the top of the box body, a camera is installed at the top of the display screen, the interior of the box body is divided into a storage cavity and an equipment cavity through a partition plate, and two specimen storage assemblies arranged up and down are installed in the storage cavity; a disinfection tank is placed in the equipment cavity, a disinfection assembly is further installed in the storage cavity, a first box door and a second box door are installed at the positions, located in the storage cavity and the equipment cavity, of the front face of the box body respectively, and a bar code scanner and a printer are installed at the top of the front face of the box body. In addition, in the storage process, contact between the patient and other specimens is reduced, meanwhile, the specimen information stored by the patient can be compared with that stored by a doctor terminal, the patient information without the specimens can be quickly known, the process does not need to be checked by two persons, the workload of workers is effectively relieved, and the checking mode is more efficient and does not make mistakes.

The utility model discloses an automatic paint dipping device which comprises a paint dipping box, the paint dipping box comprises a lower box body section and an upper box body section, and an isolation part is arranged between the lower box body section and the upper box body section; the paint outlet pipe penetrates through the isolation part and then extends into the lower box body section, and the paint outlet pipe is fixed to the isolation part through a sealing flange; the regulation and control part is connected to the lower box body section, so that the insulating paint in the lower box body section reaches the outside of the lower box body section through the paint outlet pipe; the motor is placed on the isolation part and located in the upper box body section of the paint dipping box, the lower end of the motor is connected with the sealing flange on the isolation part, an inner cavity of the motor can be communicated with the paint outlet pipe, and insulating paint in the lower box body section enters the inner cavity of the motor through the paint outlet pipe under the action of the regulation and control part. And then the motor stator winding is subjected to paint dipping.

This invention provides a granulation device and method for traditional Chinese medicine (TCM) granules, relating to the field of TCM granulation. The TCM granulation device includes a frame, a pulverizing mechanism, a high-temperature extraction slurry assembly, and a dry mud granulation assembly, all fixedly installed within the frame. The pulverizing mechanism pulverizes the TCM and transfers it to the high-temperature extraction slurry assembly, where it heats and extracts the medicinal liquid. Finally, the liquid is pushed by steam to the dry mud granulation assembly for drying and granulation. This TCM granulation device and method eliminate the need for additional removal of the TCM powder. The steam not only heats the powder but also forms a medicinal liquid. Furthermore, the steam utilizes its high temperature and pressure to propel the medicinal liquid to the next stage, preventing contact between the liquid and external pumping components, thus reducing the probability of contamination. The steam continuously extracts components from the medicinal liquid, saving energy used in decocting TCM. The medicinal liquid is never removed and remains free from contact with the external environment.

The application discloses a kind of promoting Jinfoshan square bamboo shoot of Raoultella Raoultella Sp.CS106 strain, screening method and application belong to the field of agricultural microorganism technology;The strain preservation number is CCTCC NO:M2026382, and NCBI registration number is PX945738.This strain is isolated from the rhizosphere soil of Jinfoshan square bamboo, is gram-positive bacteria, has the ability of nitrogen fixation, organic phosphorus, inorganic phosphorus and potassium, can produce auxin, iron carrier and ammonia, can decompose urea and reduce nitrate, and is suitable for acid soil environment.It is prepared into 1×10 7 ~1×10 8 cfu / mL microbial inoculant, is used for Jinfoshan square bamboo seed germination and irrigation root treatment, can significantly improve germination rate, reduce pollution, advance leaf expansion, increase bamboo shoot rate by 518.86%, and increase bamboo shoot growth by 572.97%, and optimize soil enzyme activity and nutrient distribution, and the effect is significantly better than that of commercially available microbial inoculant.The application provides green and efficient microbial fertilizer specially used for Jinfoshan square bamboo, solves the problems of soil degradation, environmental pollution and low fertilizer efficiency of traditional chemical fertilizer, and is suitable for large-scale popularization and application.

This application discloses a method for directly cultivating seedlings from the germination of *Cymbidium goeringii* seeds in Yunnan. The method includes the following steps: sowing *Cymbidium goeringii* seeds on a modified culture medium, followed by 6 months of constant temperature cultivation at 25℃ to obtain small pseudobulbs suitable for direct transplanting. This method is simple to operate; seeds begin to germinate and turn green 20 days after sowing, begin to grow leaves after 45 days, begin to root after 60 days, and show significant root growth after 90 days. The pseudobulbs also enlarge synchronously. After 6 months, the plants naturally shed their leaves in the tissue culture bottle, and the pseudobulbs can be transplanted to the field for acclimatization and cultivation. This method eliminates the need to change the culture medium, removes the manual transfer step in the tissue culture process, and solves the problems of yellowing, difficult rooting, and high contamination rates after transfer of tissue culture seedlings. Furthermore, the plants naturally shed their leaves in the tissue culture bottle, directly obtaining small pseudobulbs without hardening off, and improving the transplant survival rate, which is beneficial for the large-scale cultivation of *Cymbidium goeringii*.

This application discloses a primer design method, system, and computer storage medium based on nucleic acid consistency. The method includes: obtaining a target nucleic acid sequence; classifying the target nucleic acid sequence to obtain multiple taxonomic units; using at least one target nucleic acid sequence from each taxonomic unit as a representative sequence; designing candidate primers for the representative sequence; sequentially selecting at most one pair of candidate primers from each taxonomic unit to establish a candidate primer pool; and excluding candidate primers in the candidate primer pool that exhibit non-specific amplification to obtain the final primer pool. This application is simple to operate and can handle large nucleic acid libraries, making it particularly suitable for universal primer design for pathogen libraries. Compared to similar software, the method in this application is more systematic and comprehensive, resulting in a primer pool with high coverage and low host contamination rate.

This invention discloses a method for rapid propagation of *Prunus campanulata* via tissue culture and regeneration of adventitious buds. This invention pioneers a system for rapid propagation and organ regeneration of *Prunus campanulata* via tissue culture, utilizing its vegetative organs, stem segments, leaves, or seeds as explants. This results in a primary induction rate as high as 74.4%, a proliferation coefficient of approximately 3.9, and a rooting rate of 83.5%, achieving highly efficient and rapid propagation. Unrooted, robust buds can also be used as scions for grafting propagation. In the seed disinfection process, the plant tissue culture antibacterial agent PPM is applied for the first time to disinfect seeds of the *Prunus* subgenus, achieving good control of the contamination rate and significantly reducing it. The invention also explores the number of times mercuric chloride disinfectant can be reused for the first time, finding that its disinfection effect decreases with increasing reuse frequency, with a significant decrease in disinfection effect after three or more uses. Furthermore, the same culture medium is used for obtaining sterile explants, inducing sterile seedlings, and propagation culture, simplifying the operation process and reducing production costs.

The present application relates to the technical field of plant tissue culture, and provides a tissue culture method for promoting germination of Zingiber zerumbet Smith, wherein Zingiber zerumbet Smith tubers are used as explants, and after being subjected to disinfection treatment, the explants are inoculated into an induction medium, a proliferation medium and a rooting medium in sequence, and then are subjected to acclimatization, seedling raising and transplanting, so that finished Zingiber zerumbet Smith seedlings are obtained. The germination rate, the proliferation coefficient and the rooting rate of the Zingiber zerumbet Smith tubers can be significantly improved by using the culture media which are optimized and adjusted in the technical scheme of the present application. In addition, the reasonable application of foliar fertilizer and fungicide after transplantation in the present application can further improve the growth vigor and the disease resistance of Zingiber zerumbet Smith seedlings, and ensure the survival rate of the seedlings, thereby providing reliable technical support for rapid propagation and large-scale planting of Zingiber zerumbet Smith.

The utility model discloses an adjustable gas transmission assembly suitable for respiratory therapy equipment, the gas transmission assembly comprises a gas inlet and a gas outlet, the gas transmission assembly further comprises a first gas transmission section and a second gas transmission section, the first gas transmission section is internally provided with a first gas transmission channel communicated with the gas inlet, and the second gas transmission section is internally provided with a second gas transmission channel communicated with the gas outlet; the first gas transmission section and the second gas transmission section are telescopically connected through a communicating piece, and a communicating pipeline for communicating the first gas transmission channel and the second gas transmission channel is arranged in the communicating piece; the second gas conveying section can move relative to the first gas conveying section through the communicating piece so as to adjust the relative distance between the first gas conveying section and the second gas conveying section. According to the gas transmission assembly, the first gas transmission section and the second gas transmission section are connected through the communicating piece, and the relative position between the second gas transmission section and the first gas transmission section can be adjusted through the communicating piece according to users with different head circumference sizes, so that the wearing comfort of the gas transmission assembly is improved, and the adaptability of the gas transmission assembly is enhanced.

The invention discloses a two-dimensional pressure difference closed-loop regulation and control method and system for PECVD equipment, and belongs to the field of semiconductor wafer processing equipment. The method comprises the following steps: before wafer transmission is carried out between a process chamber and a transmission chamber of PECVD equipment, obtaining a first chamber pressure of the process chamber and a second chamber pressure of the transmission chamber; judging the size relation between a first chamber pressure difference value between the first chamber pressure and the second chamber pressure and a preset pressure difference threshold value; under the condition that the pressure difference value of the first cavity is larger than a pressure difference threshold value, the gas flow of exchange gas of the transmission cavity and the opening degree of a throttling valve are adjusted at the same time; under the condition that the pressure difference value of the cavities is not larger than the pressure difference threshold value, the slit valve is opened, and the size relation between the pressure difference value of the second cavity and the pressure difference threshold value is monitored while the slit valve is opened; and determining whether to transfer the wafer or not according to the size relationship between the pressure difference value of the second chamber and the pressure difference threshold value.

The invention discloses a convenient wardrobe, which relates to the technical field of furniture and comprises a wardrobe body, a plurality of first storage assemblies and a plurality of second storage assemblies, the two sides, in the width direction, of the cabinet body are each provided with a containing space for installing the first containing assemblies, and the second containing assemblies are installed on the two sides, in the length direction, of the cabinet body respectively. The first storage assembly comprises multiple types of first storage parts, the second storage assembly comprises multiple types of second storage parts, and the first storage parts and the second storage parts are detachably connected with the cabinet body; the cabinet body is provided with a plurality of connecting pieces for detachably connecting the first article placing parts or the second article placing parts, and the connecting pieces extend in the height direction of the cabinet body. The multifunctional computer desk has a high space utilization rate, is suitable for different use places, and has convenience and practicability in use at the same time.

This invention discloses an integrated digital PCR system and its usage method. The system comprises a high-density microcavity array digital PCR chip with an integrated cavity, an optical detection module, a hot water circulation temperature control module, a fluid control module, and a central control module. When applied to nucleic acid sample detection, the digital PCR chip is first fixed on the stage of the optical detection module, and connecting tubes for the sample tubes and hot water tank are installed at each chip interface. Then, the central control module is activated, and relevant parameters of the control program are set. The control program then controls the fluid control module, hot water circulation temperature control module, and optical detection module to sequentially perform operations such as sample filling, sample discretization, hot water circulation amplification, chip scanning and recording, and data analysis. Based on the combination of the microcavity array and integrated cavity structure of the digital PCR chip, this system allows the entire digital PCR detection process to be completed on a single instrument, improving detection efficiency and result reliability.

The present application relates to a kind of new type of wall protection mud material for ultra-deep underground continuous wall and its preparation method, comprising the following steps: pour mixing water into the first container, while adding bentonite, the first container is stirred to be uniformly dispersed;Sodium carbonate, sodium carboxymethyl cellulose, xanthan gum and silicone acrylic emulsion are mixed and added to mixing water and poured into the second container, and stirred to be fully hydrated;Mix the solution in the first container and the second container, stir to be fully mixed, complete mud preparation.The beneficial effects of the present application are: it can avoid the hidden troubles such as excessive lateral earth pressure, large amount of mud loss, thin and dense mud skin cannot be formed when the excavation depth of underground continuous wall is large, configure a new type of modified bentonite wall protection mud with suitable physical stability and chemical stability, appropriate relative density, good mud skin forming property, which can adapt to the working condition of ultra-deep underground continuous wall, avoid the occurrence of hole collapse and shrinkage phenomenon, so as to ensure the quality of slotting and construction safety.

This utility model discloses a semiconductor material cleaning mechanism and a semiconductor material cleaning device, belonging to the technical field of semiconductor material processing equipment. The semiconductor material cleaning mechanism includes a cleaning chamber, a positioning component, and a holding component. The cleaning chamber includes a cleaning space and an opening along a first direction connecting the cleaning space to the outside. The cleaning chamber is used to clean semiconductor materials. The positioning component is disposed outside the cleaning chamber and includes a positioning element. The positioning element is telescopically arranged along a second direction to selectively support a carrier containing semiconductor materials. The first and second directions intersect. The positioning element includes a support portion and a positioning portion. The support portion supports the carrier, and the positioning portion restricts the periphery of the carrier. The holding component is disposed inside the cleaning chamber and is movable along the first direction to selectively hold the carrier within and outside the cleaning space. This utility model can improve the positional accuracy of semiconductor materials placed on the cleaning table.

The invention provides a wafer regeneration chemical mechanical polishing system and process, and belongs to the technical field of semiconductor manufacturing, and the wafer regeneration chemical mechanical polishing system comprises a buffer unit, a conveying unit, a polishing unit, a cleaning unit and a control unit, the conveying unit, the polishing unit and the cleaning unit are located on the same side of the buffering unit and are sequentially arranged along the first linear path, and the conveying unit is located between the polishing unit and the cleaning unit; the buffer unit comprises a plurality of wafer cassettes, an optical detection station located on one side of the plurality of wafer cassettes, and a transmission mechanism located on one side, close to the conveying unit, of the wafer cassettes; the conveying unit comprises a transfer disc moving along the second linear path; the polishing unit comprises a first polishing assembly and a second polishing assembly which are arranged along the second linear path. Each polishing assembly comprises at least two polishing discs and polishing heads corresponding to the polishing discs.

The application relates to the technical field of machining tool seats, and discloses a BMT center water-out power tool seat, which comprises a device main body, a flushing unit is fixedly arranged in the device main body, an emergency baffle unit is fixedly arranged on the outer side of the device main body, a cleaning unit is rotatably arranged at the top end of the device main body, a shunt control unit is fixedly arranged at the left end of the outer side of the device main body, the device main body comprises a tool seat main body, a main shaft is fixedly connected to the bottom end of the tool seat main body, a shunt water channel is arranged in the tool seat main body, the shunt water channel is divided into two branches at the shunt control unit, through cooperation of the shunt control unit and the flushing unit, two water-out models of the center water-out power tool seat can be controlled, the problem that the temperature on the outer side of a cutting end and the lubricating effect cannot be effectively improved is solved, and the problem that the efficiency is not high through investment of additional equipment cost and manpower cost is solved.

The utility model discloses a kind of high sealing heat pump drying devices, including heat exchanger, cover body and air pipe assembly, cover body is equipped with heat exchange cavity, heat exchanger is installed in heat exchange cavity, and heat exchange cavity is divided into first cavity section and second cavity section by heat exchanger. Cover body includes first shell and second shell, first shell and second shell mutually link in a circumferential direction, and are enclosed to form heat exchange cavity. First shell and second shell are sealedly connected by first sealing element;First shell and second shell are equipped with heat preservation layer on;Air pipe assembly includes two air pipes, one air pipe is communicated with first cavity section, and another air pipe is communicated with second cavity section. The first shell and second shell outside the heat exchanger are sealedly linked by first sealing element, and heat preservation layer is equipped on two shells, reduce the loss caused by the leakage of heat energy in cavity due to gap, improve heat exchange efficiency;Meanwhile, it can also effectively reduce the risk of waste gas overflow from the gap of shell link.

This utility model relates to the field of automotive parts technology, specifically a car mudguard, including a mudguard body that is detachably connected to the outer frame of a car wheel. The mudguard body is located behind the wheel along the direction of travel. One side of the mudguard body is provided with a mudguard groove and a connecting piece, with the mudguard groove facing the wheel. The connecting piece is located at the opening of the mudguard groove and is detachably connected to the outer frame of the car wheel. This provides a car mudguard whose main body includes a mudguard groove and a connecting piece. The mudguard groove provides a recessed, channel-shaped space, which, compared to a straight plate structure, better matches the trajectory of mud, water, and stones thrown by the rotating wheel. Simultaneously, when mud and water kicked up by the wheel impact the mudguard, the groove functions as a directional collection channel, guiding splashes into the groove to accumulate, rather than sliding along the surface of the traditional straight plate structure to other parts of the car body, thus significantly reducing the probability of mud and water contaminating the car body.

This utility model discloses a feeding device for livestock farming, comprising a feeding trough and a protective cover. Rotary support seats are fixedly installed at the upper ends of both ends of the feeding trough. A rotating rod is rotatably connected to each rotating support seat. The outer side of the middle position of the rotating rod is connected to the protective cover via a connecting sleeve. A feeding door is opened on the feeding trough at a position corresponding to the protective cover. A first stable support and a second stable support are respectively installed at the lower ends of the feeding trough. The feeding device of this utility model includes a feed storage bin, a feeding trough, and an automatically opening and closing protective cover. The protective cover is opened mainly by the chickens stepping on a stepping support, allowing the chickens to eat through the feeding door. After the chickens leave the stepping support, the protective cover automatically resets, closing the feeding door. This prevents other birds or small animals from stealing the feed and reduces the probability of feed contamination.

The invention discloses an indoor coprinus comatus planting and fruiting device which comprises a fruiting frame arranged in a planting shed, the fruiting frame is longitudinally divided into multiple layers, and multiple sets of fruiting frames are evenly arranged on each layer; the fruiting frame is of a cuboid structure with the peripheral side faces closed, a plurality of drainage and ventilation holes are formed in the bottom of the fruiting frame, and the bottom of an inner cavity of the fruiting frame is filled with thick nutrient slurry. The nutrient slurry formula is formed by blending granular clay or sandy soil and nutrient water, the thick nutrient slurry is filled with a round fungus bag, the round fungus bag is a coprinus comatus strain, and the round fungus bag is covered with a granular clay layer; the position, 1 cm below the horizontal diameter line, of the circular fungus bag is immersed in the mud. The indoor coprinus comatus planting and fruiting device is reasonable in structure, accurate in nutrition supply, excellent in ventilation and drainage performance, good in fruiting guidance quality and convenient for standardized operation.

Embodiments of the present application provide a data processing method, device and equipment of a cleaning device, and relate to the technical field of cleaning devices. The cleaning device comprises an environment perception sensor for collecting environment perception data, and the position state of the environment perception sensor is switchable. The method comprises: dividing a to-be-confirmed environment perception data set collected during a positioning recovery period of the cleaning device, based on the position state switching condition of the environment perception sensor, to obtain at least one perception data segment; wherein the to-be-confirmed environment perception data set is obtained by a sensor other than the environment perception sensor; and determining a processing strategy for the at least one perception data segment according to the positioning recovery condition of the cleaning device. The method can establish a data processing boundary corresponding to the change in the positioning state, avoid mixing of untrustworthy data and trustworthy data, reduce the probability of writing error coordinates into a map, and reduce map pollution.