91 results about "Cold season" patented technology

The invention relates to the technical field of animal feed, in particular to cold-season yak supplementary feeding granules and a supplementary feeding method and application thereof. The supplementary feeding granular material for yaks in the cold season is prepared from the following components in percentage by weight: 10-13% of corn straws, 20-25% of sunflower seed shells, 35-38% of corn kernels, 9.4-10% of soybean meal, 8-10% of cottonseed meal, 0.8-1% of baking soda, 0.8-1% of table salt, 0.5-1% of feed premix and 4-5% of yeast leavening. Through a scientific formula, various nutritional ingredients needed by yaks can be provided, it is ensured that the yaks obtain comprehensive nutritional support in different growth stages, and meanwhile, high-energy nutritional ingredients can be provided to make up for a large amount of energy consumed by the yaks in the growth process; the feed can be converted into meat more efficiently, the growth speed and production benefits of the yaks are improved, and the feed has good digestibility and can be better absorbed by the yaks, so that feed waste is reduced, and the feeding efficiency is improved.

The utility model discloses an air purifier with a humidifying function. The air purifier comprises a shell with an air outlet in the top; the wind dispelling channel is arranged in the shell, and an ultraviolet germicidal lamp and an air quality sensor are installed in the wind dispelling channel; the fan is arranged in the wind dispelling channel; the shell is provided with an air inlet and an air outlet, the air outlet is arranged in the shell, the humidifying assembly is arranged in the shell, and the humidifying assembly comprises an atomizing nozzle installed on the inner side of the air outlet and a small water pump used for conveying water. The purifier can comprehensively treat particulate matter, bacteria, viruses, peculiar smell and pests in air, a more comprehensive air purification effect is provided, the humidification and heating functions can maintain the appropriate indoor humidity level in dry and cold seasons, the skin problem caused by excessive dryness can be prevented, and the air purification effect is improved. And meanwhile, the air temperature can be adjusted, and the feeling and comfort of a human body can be improved.

The utility model belongs to the technical field of lawn cultivation, and particularly relates to a cold season type lawn cultivation device which comprises a push rod fixedly assembled at one end of a shell, a transmission bin fixedly assembled in the shell, a cutter cover fixedly connected to one end of the transmission bin, and a cross rod fixedly connected to the middle of the push rod. An auxiliary rod is rotationally connected to the outer wall of the cross rod in a damping mode, a connecting rod is fixedly connected to the position, located in the shell, of one end of the auxiliary rod, a protruding block is fixedly connected to the middle of the connecting rod, and a cover ring is assembled on the outer wall of the cutter cover in a sliding mode. Through the cover ring and the apron board which are arranged on the outer side of the cutter cover in a sliding mode, broken stones hidden in a lawn can be shoveled to the two sides in advance, the situation that a mowing blade collides with the broken stones and is abraded is avoided, trimming work is guaranteed, meanwhile, the cover ring can bounce up and down along with the terrain in the advancing process of the device, or the cover ring is adjusted and controlled through an auxiliary rod, and the mowing efficiency is improved. And in cooperation with the grate column, the gravel filtering effect is jointly improved.

The invention provides a breeding house automatic control ventilation system and a breeding house, the breeding house automatic control ventilation system comprises an air bellow and a control module, the air bellow is arranged in the upper space of the breeding house and is provided with a first air port and a second air port, the first air port is arranged in the side wall of the air bellow and is used for blowing air in the direction away from animals, and the second air port is arranged in the side wall of the air bellow; the second air opening is formed in the bottom wall of the air bellow and can blow air towards the animal body surfaces in the breeding house; the control module is in communication connection with the air bellow and can control opening or closing of the first air opening and the second air opening based on the current season. Therefore, the second air port can be closed to avoid formation of body surface wind and animal cold stress in the season with low air temperature, and the second air port can be opened to provide body surface wind and avoid animal heat stress in the season with high air temperature, so that the body surface comfort of the animal is further improved, the possibility that the animal gets ill is reduced, and the animal quality is improved. And large-scale economic loss of the farm is also avoided.

1. The materials of the articles relating to this design are textiles, metals, and synthetic resins. 2. The articles relating to this design are baby ventilation seats and are used attached to strollers and child seats. 3. Reference Figure 1 is a magnified view of the heating pad pocket. 4. Reference Figure 2 is a diagram showing the product in use. As shown in Reference Figure 2, the articles relating to this design are equipped with a heating pad pocket on the back into which a heating pad can be inserted, and are designed to be usable even in cold seasons.

The utility model discloses a system for raising initial material temperature by fermentation heat, which comprises a high-temperature fermentation chamber and a low-temperature storage chamber, the bottom of the high-temperature fermentation chamber is fixedly connected with a first mounting groove, the bottom of the low-temperature storage chamber is fixedly connected with a second mounting groove, the first mounting groove is internally and fixedly connected with a first heat exchange pipe, and the second mounting groove is internally and fixedly connected with a second heat exchange pipe. A second heat exchange pipe is fixedly connected to the interior of the second mounting groove, a heat exchange box is arranged on one side of the high-temperature fermentation chamber, a first water storage cavity, a second water storage cavity and a ventilation cavity are sequentially formed in the heat exchange box from bottom to top, and heat is released into the low-temperature storage chamber for heat supply through heat exchange. The purposes of increasing the temperature of materials in the low-temperature storage chamber in cold seasons, accelerating the fermentation process, improving the production efficiency, reducing adverse effects of low temperature on fermentation, achieving fermentation waste heat recovery, reducing external energy requirements, providing electric energy for the electric heating plate through the solar panel, reducing energy consumption and achieving environmental protection and energy conservation are achieved.

The invention discloses an anti-freezing and anti-cracking heating device for a vertical axial-flow pump in an alpine region, and relates to the technical field of axial-flow pumps. A heating assembly wraps the outer wall of a water inlet pipe, a straight plate is connected to the top of the water inlet pipe, two sets of reinforcing ribs of the same structure are symmetrically installed on the tops of the left side and the right side of a straight rod, and a water outlet elbow is connected to the top of the straight plate; the heating assembly is used for preheating and heating the water inlet pipe, the water inlet pipe is adjusted to a proper position through rotation of a vertical screw rod, and in a cold season in winter, the water inlet pipe is connected with the water outlet elbow pipe, the water outlet elbow pipe is connected with an inner cavity of the water inlet pipe, the heating assembly is connected with an external wire, and the external wire is connected with a control assembly. When the interior of the axial flow pump is frozen, a control assembly can be started, an external power source is powered on, a heating rod connected with a conductive column starts to work, preheating and heating operation is carried out, and generated heat is transmitted to a water inlet pipe through a heat conduction plate to heat ice blocks in the water inlet pipe so that the ice blocks can be melted.

The utility model provides a small hippocampus early breeding device, which relates to the technical field of aquaculture and comprises a base, and supporting rods are fixedly connected to the top of the base close to four corners. During use, hot water in the backflow box is pumped into the shunting block under the action of the pump body, uniformly flows into the plurality of inner connecting pipes under the action of water pressure and flows into the backflow box from the plurality of inner connecting pipes, and the hot water flows into the backflow box from the plurality of inner connecting pipes in the flowing process of the hot water in the plurality of inner connecting pipes. Heat in hot water radiates into the water tank through the pipe body made of the metal material, the slow heating effect is achieved, in the breeding process, the multiple temperature sensors monitor the temperature in the water tank in real time, the pump body is intermittently driven to work, the temperature in the water tank is adjusted, and the situation that in the cold season, the small hippocampus is prone to being damaged due to the change of the external environment is avoided. The temperature of the culture water body is reduced, and the small hippocampus is dead, so that the survival rate of the small hippocampus during early-stage culture is improved.

The utility model relates to the technical field of wooden furniture, and discloses a furniture countertop which specifically comprises a top plate and a bottom plate, the top plate is connected with the bottom plate through a connecting structure, a buffer plate and a noise reduction plate are arranged between the top plate and the bottom plate, the noise reduction plate is located between the buffer plate and the bottom plate, a heating net plate is arranged at the top of the buffer plate, and the top of the noise reduction plate is connected with the bottom plate. A temperature sensor is arranged on one side of the top of the buffer plate, and the detection end of the temperature sensor makes contact with the top plate. The connecting structure comprises a connecting column fixedly connected with the top plate; the furniture countertop is of a split structure, only damaged parts need to be replaced, other intact parts can be reused, and resources are saved; the top plate can be quickly disassembled and assembled, so that when the furniture countertop is used, a user can quickly replace the top plate according to requirements, and the adaptability of the furniture countertop is improved; the top plate can be heated through the heating net plate, and the comfort of the furniture countertop used in cold seasons is improved.

The utility model discloses an assembled bio-based zero-degree cotton pillow which comprises a pillowcase, a first zero-degree cotton pillow body and a second zero-degree cotton pillow body, the first zero-degree cotton pillow body and the second zero-degree cotton pillow body are both located in the pillowcase, and the second zero-degree cotton pillow body is located at the lower end of the first zero-degree cotton pillow body. A connecting zipper is fixedly connected to one side of the pillowcase, and a circulating water heating mechanism is positioned and mounted at the upper end of the pillowcase. According to the split mounting type bio-based zero-degree cotton pillow, the circulating water heating mechanism is arranged, the heat preservation pillow cushion can be helped to maintain the proper temperature, the warm feeling can promote blood circulation of the neck and the shoulders, muscle tension and fatigue can be relieved easily, the warm pillow can provide more comfortable sleep experience, and the pillow is suitable for popularization and application. Particularly in cold seasons, the mattress can be kept at a comfortable temperature, so that the pleasure of use is increased, and meanwhile, the mattress is beneficial to improving the sleep quality.

The invention relates to the technical field of roadbed engineering, in particular to a high and cold season frozen region roadbed soil material based on straw and a water repellent agent and a proportion optimization method of the high and cold season frozen region roadbed soil material. In order to improve the mechanical property and the frost heaving resistance at the same time, the doping amount of straw treated by a hydrophobic film-forming agent, the length of the straw, the soaking time of the straw in the hydrophobic film-forming agent and the doping amount of a hydrophobic anti-freezing agent are used as influence factors, and the frost heaving rate and the bearing ratio of the seasonal frozen soil region roadbed soil material based on the straw and the hydrophobic agent are used as response values; and performing a response surface analysis test by adopting a response surface analysis method to obtain an optimization technical scheme which simultaneously meets the dual-objective optimization requirements of the frost heaving rate and the bearing ratio. The mechanical property and frost heaving resistance of the roadbed soil material in the high and cold seasonal frozen soil region are improved at the same time under the condition that an inorganic binding material is not used or roadbed replacement is not carried out, the ecological environment of the high and cold region is prevented from being damaged, and meanwhile resource utilization of agricultural solid waste straw is achieved.

The invention discloses a method for predicting the change of downward radiation of a generic northern ice ocean and the contribution of a seasonal driving factor of the generic northern ice ocean. The method comprises the following steps: firstly, acquiring and preprocessing downlink radiation and related environmental factor data of a generic northern ice ocean area; then, a hybrid deep learning model CNN-STLSTM-CNN is constructed and trained to predict the change of downlink radiation; next, the trained model is used for predicting the downward radiation change of the next month, the contribution proportion of main environmental factors such as cold season and warm season temperature, sea ice concentration, relative humidity and latent heat flux to the downward radiation change is analyzed and quantified through model sensitivity, and finally the contrast effect of the sea ice concentration in different seasons is revealed. According to the method, the change of the downward radiation of the generic northern ice ocean can be predicted with relatively high precision, the seasonal driving factors are deeply analyzed, and a scientific basis is provided for understanding and coping with the climate change of the north pole.

The utility model discloses a water heater exhaust pipe for a cold region, and relates to the technical field of solar exhaust pipelines. The inlet end of the exhaust pipe is connected with a water tank of the water heater, the rainproof cover is mounted at the outlet end of the exhaust pipe and consists of a cover body and a connecting rod, the cover body is umbrella-shaped, the bottom of the cover body is connected with the outlet end of the exhaust pipe through the connecting rod, a heat tracing band is wound on the exhaust pipe, and the heat tracing band is connected with the water tank of the water heater. The exhaust pipe is further sleeved with a heat preservation sleeve after being wound with the heat tracing band, an inner cavity of the exhaust pipe is communicated with an inner cavity of the heat preservation sleeve through a drainage pipe, and a sealing plug is arranged in a pipe opening of the drainage pipe located on the heat preservation sleeve. In cold seasons, water mist formed in the exhaust pipe flows out through the drainage pipe, and after exhaust of the exhaust pipe is completed and the water mist in the exhaust pipe is discharged through the drainage pipe, the sealing plug is installed at a pipe opening of the drainage pipe to prevent cold air from entering the exhaust pipe, so that the drainage pipe is always kept in a constant-temperature state, and breakage and influence on the use efficiency of the exhaust pipe are avoided.

The invention belongs to the technical field of pigsty ventilation, and relates to a pigsty partitioned air supply device and an air supply method thereof. The hog house is divided into a plurality of areas, and a hog house partition air supply device is installed in each area. The pigsty partition air supply device comprises an air inlet cavity, a flow equalizing cavity and an air outlet cavity. The side face of the air inlet cavity is connected with an air supply branch pipe which is internally provided with a temperature sensor. The air inlet cavity and the air supply branch pipes are located below the raised floor plane of the hog house ground. The sum of the flow equalizing cavity height and the air outlet cavity height is equal to the hog house fence height; the air inlet cavity and the flow equalizing cavity are separated by a partition plate, and a divergent opening is prefabricated in the partition plate. A flow equalizing pore plate and a heating wire are arranged in the flow equalizing cavity; the air outlet cavity is thicker than the flow equalizing cavity, and a first air supply outlet is formed in the bottom surface of the extending part of the air outlet cavity and faces the ground; a second air supply opening is formed in the front of the air outlet cavity. The problems that a traditional hog house is poor in longitudinal ventilation uniformity, large in air volume and high in energy consumption are solved. The requirements for efficient heating and air quality improvement of the hog house in cold seasons are met.

The application discloses a plateau permafrost area controllable cold region maintaining device, relates to the roadbed maintenance technical field of plateau permafrost area, and comprises a hot rod body, a protection structure is installed at the top of the hot rod body, a transmission mechanism is installed at the top of the protection structure, an environment sensing machine is installed at the top of the transmission mechanism, and a damping mechanism is installed at the top of the transmission mechanism and at the side of the environment sensing machine, the cooperation of the environment sensing machine, the protection structure and the transmission mechanism realizes the full-season self-adaptive regulation and control of automatic covering in the warm season and automatic opening in the cold season, manual intervention and external power driving are not needed, the hot rod body working mode can be automatically switched according to the change of the environment temperature, the technical defects that heat backflow and permafrost warming and thawing are prone to occurring in the summer of the traditional hot rod are solved, and the permafrost temperature control stability and the roadbed safety are remarkably improved.

The invention relates to the technical field of frozen soil slope prevention and control, in particular to a frozen soil slope cooling structure which is characterized in that a sunshade assembly which shields the slope of a slope is slidably arranged on the slope, the sunshade assembly is hollow, a ventilation area is formed between the sunshade assembly and the slope, a water collection covered channel is formed in one side of the sunshade assembly and extends into the slope, and the water collection covered channel is communicated with the slope. Water collecting pipes parallel to the side slope are arranged on the inner edges of the water collecting covered channels, water on the surface of the side slope flows into the water collecting covered channels, water on the shallow layer of the side slope flows into the water collecting covered channels along the water collecting pipes, the water collecting covered channels prevent water from permeating downwards, and meanwhile accumulated water can serve as a heat insulation layer in summer to reduce heat transfer of a side slope soil layer. The heat conductivity coefficient is increased after water is frozen in the cold season, so that the slope cooling can be accelerated, the slope cooling structure can cool the slope by utilizing air cold energy during ventilation in the cold season, and the side plate and the sun shield are erected to shield the large area of the slope in the warm season, so that the situation that the frozen soil melts due to temperature rise and then collapses is prevented.

The utility model discloses an integrated type swimming pool electric rolling cover plate, relates to swimming pool cover plate technical field, including swimming pool body and electric control box, the swimming pool body is provided with the capping device, the capping device is used for capping the swimming pool body, the capping device includes the frame that is provided on the swimming pool body, and the frame is provided with the electric control box. A cloth winding shaft and a rope winding shaft are rotationally installed on the machine frame, and the cloth winding shaft is connected with covering cloth. The integrated swimming pool electric rolling cover plate is compact in structure, stable and reliable in operation and free of installation by a user; the integrated swimming pool electric rolling cover plate can have multiple options according to the requirements of users, in cold seasons and environments, the requirements for good sealing and heat preservation performance are met, the integrated swimming pool electric rolling cover plate can be made of synthetic tensile canvas, and in the environments with no requirements for heat preservation and smooth and high-visualization requirements for appearance, the integrated swimming pool electric rolling cover plate can be of a transparent or multi-color PVC sheet type structure; according to the integrated swimming pool electric rolling cover plate, the two operation modes of knob and remote control are adopted, and good use experience is brought to a user.

This invention discloses a concrete self-curing device and its usage method, including an internal curing device, wires, and a controller. The internal curing device is connected to the controller via the wires and is embedded within the concrete block. The advantages of this invention are: by controlling the electromagnetic induction coil and semiconductor cooling chip, the internal temperature of the concrete is reduced in the early stages, preventing early-age cracking; through the electromagnetic induction coil in the device, the controller controls the electromagnetic induction coil to emit a high-frequency alternating electric field, causing the nano-ferric oxide inside the concrete to heat up in the alternating electric field. In cold seasons, this allows the concrete to self-heat, preventing cracking due to freeze-thaw erosion.

The invention discloses a cold season air temperature intelligent forecasting method, and relates to the technical field of air temperature forecasting, and the method comprises the steps: S1, carrying out YGQF collaborative observation based on one station and two networks, and constructing a collaborative observation data set; s2, calculating the YGQF position and intensity data of the long sequence through the collaborative observation data set, and constructing a YGQF label data set; s3, matching the characteristic parameters and the topographic parameters with a YGQF label data set, and constructing a YGQF full-amount data set; s4, by means of the YGQF full-amount data set, an AI technology-based intelligent air temperature forecasting model is researched and developed on the basis of a Transform architecture; s5, building an AI technology-based air temperature forecasting module by using the intelligent air temperature forecasting model; and S6, connecting the air temperature forecasting module to the test platform for trial. The cold season temperature forecasting accuracy of the east region of Yunnan is improved by 3-10% on the basis of the prior art, and the improvement of the fine and intelligent weather forecasting early warning capability of Yunnan is supported.

The utility model provides an intelligent temperature control infusion support, which belongs to the field of infusion supports and comprises a support rod, a heater is mounted at the outer end of the support rod, and an infusion tube positioner is fixedly connected to the bottom end of the heater. The heater comprises a sleeve, the sleeve is arranged at the outer end of the supporting rod in a sleeving mode, the outer end of the sleeve is fixedly connected with a connecting ring, the right end of the connecting ring is fixedly connected with a connecting block, and the right end of the connecting block is fixedly connected with a heating cylinder. The heating cylinder is connected with the supporting rod through the sleeve, in the infusion process, the position of an infusion bottle is limited by the supporting rod, an infusion tube penetrates through the heating cylinder, the electromagnetic coil in the heating cylinder is powered on and emits heat, the infusion tube penetrating through the heating cylinder is heated by the electromagnetic coil, and therefore liquid medicine in the infusion tube is heated and prevented from being heated in cold seasons; and the cold liquid medicine enters the body of the patient to cause discomfort of the patient.

The utility model discloses adjustable and controllable cross-seasonal soil cold storage and supply equipment which comprises a cold storage loop, the cold storage loop is connected with a cold supply loop through a circulating pipeline, and the cold storage loop and the cold supply loop are both electrically connected with a frequency conversion automatic control system. The thermal inertia of the soil is utilized, the natural cold energy is stored across time and space, the cold storage and supply temperature is accurately regulated and controlled, only a circulating pump consumes a small amount of electric energy, the cold energy in the atmosphere is continuously stored in underground soil in a cold season, a heat preservation tank is used as a connecting and buffering device, the cold storage and supply requirements within-40 DEG C are met, and the system is extremely low in energy consumption and low in cost. The operation cost is extremely low and the application range is wide.

The present invention discloses a fully automatic device for pumping cold air into block-stone subgrade and includes an outer cylinder, an inner cylinder, a power system and an air pumping system; and utilizes natural wind to drive the air pumping system to operate for the purpose of pumping cold air into a block-stone subgrade, and achieves the effect of pumping cold air into the block-stone subgrade in cold seasons and keeping warm air out of the block-stone subgrade in warm seasons by disposing a temperature-sensitive clutch. The present invention may effectively improve the engineering applicability of the block-stone subgrade construction technology in the areas with heavy snowfall; the present invention effectively improves the performance of the block-stone subgrade as a thermal semiconductor on an inter-annual scale and further protects the permafrost underlying the subgrade.

The utility model provides an air source hot water unit installation device which comprises a containing box and a collecting vessel, an opening is formed in one side of the containing box, a sealing door for opening and closing the opening is arranged at the opening, ventilation openings are symmetrically formed in the inner wall of the containing box in a penetrating mode, a plurality of rotating shafts are rotatably arranged in each ventilation opening, and a baffle is fixedly arranged on each rotating shaft. The air source hot water unit shell comprises a containing box, a rotating shaft is arranged on the containing box, a rotating assembly for driving the rotating shaft to rotate is further arranged on the containing box, a collecting vessel is arranged on the top of the containing box, and a ceiling is detachably arranged on the top of the collecting vessel. And cold air enters the machine shell in the cold season, so that the working efficiency of the hot water unit is influenced.

The utility model belongs to the technical field of geological disaster early warning, and discloses a geological disaster early warning monitoring device which comprises a lock floor, a corner base is fixedly mounted at the top of the lock floor, a rotating shaft is rotatably mounted above the corner base through a bearing, a detection rod is fixedly mounted at the top of the rotating shaft, and a support is fixedly mounted on the inner side of the top of the lock floor. The top of the support is fixedly provided with the landslide extensometer, the connecting rod drives the pull rope to swing up and down through the sleeve damage, and ice and snow attached to the pull rope are shaken off, so that the weight of the pull rope is reduced, the detection rod is prevented from being pulled by the inner side to restore to the original shape, the landslide extensometer does not give out early warning at the moment, and when the detection rod does not return to the original position, the landslide extensometer gives out early warning. Or when the air temperature detector does not detect the air temperature in a cold season in winter and the detection rod is subjected to the tension of the inner side to generate a corner, it is indicated that the two locking plates located on the two sides of the landslide crack are likely to be away from each other, and at the moment, the landslide extensometer gives out an early warning.

The utility model relates to the technical field of nursery stock planting, and discloses an out-of-season nursery stock planting and cultivating device which comprises a nursery stock pot, and a plurality of groups of mutually spliced transparent moisturizing frames are arranged above the nursery stock pot; the transparent moisturizing frames are provided with connection locking mechanisms, and the plurality of groups of transparent moisturizing frames are connected and locked on the seedling raising pot through the connection locking mechanisms; according to the seedling out-of-season planting and cultivating device, by splicing the multiple sets of transparent moisturizing frames, the height of the seedling pot can be adjusted, seedlings are allowed to keep a natural vertical state in the growth process, and the top ends are prevented from being bent, so that healthy and uniform growth of the seedlings is promoted, the survival rate of the seedlings in the follow-up planting process is increased, and the actual use requirement is met; meanwhile, better space temperature requirements can be provided for the seedlings, the situation that due to too cold seasons, the material cultivation effect is affected is avoided, and the using effect of the device is improved.

The utility model provides a sheep fur carpet with a good heat preservation effect, and belongs to the technical field of furniture supplies. Comprising a sheep fur carpet body. Compared with the prior art, the sheep fur is adopted as the main body material of the carpet, the sheep fur can effectively isolate cold air on the ground and keep feet warm due to the natural heat retention property and air permeability, meanwhile, a good air permeability effect is provided, stuffiness caused by long-time use is avoided, and the sheep fur carpet is particularly suitable for being used in cold seasons or low-temperature indoor environments; the binding force between the carpet frame and the sheep fur carpet body is enhanced through the first attaching part and the second attaching part, the sheep fur carpet body, the comfortable layer and the supporting layer are effectively fixed through the design of the limiting cavity, the overall stability and durability of the carpet are improved, the outer ring inclined plane design of the carpet frame is attractive, and the service life of the carpet is prolonged. The risk of stumbling during walking can be reduced; and the internal deformation cavity can absorb impact force when the carpet is treaded, so that the walking comfort and the durability of the carpet are improved.

The utility model relates to the technical field of water conveyance canals, and discloses a long-distance water conveyance canal with an ice blocking function, which comprises an outer canal body, and an inner canal body is arranged on the inner side of the outer canal body. According to the long-distance water conveying channel with the ice blocking function, when the long-distance water conveying channel formed by constructing the single inner channel body and the single outer channel body is used, a blocking frame is inserted between the positioning insertion frames on the inner side of the inner channel body, and the interior of the water conveying channel can be closed in an auxiliary mode through the arranged blocking frame; in the past of cold seasons, the blocking frame can be moved upwards in the inner canal body by rotating the rotating handle, the interior of the canal is opened, then the water conveying efficiency can be improved, and the adjusting state can be flexibly switched for use; the problem that floating icicles in a long-distance water conveying channel cannot be conveniently intercepted in an auxiliary mode is solved.

The invention discloses a daily scale snow and drought analysis method and system. The method specifically comprises the following steps: 1, calculating a daily accumulated snow water equivalent percentile, an accumulated air temperature percentile and an accumulated rainfall percentile after a cold season starts; 2, identifying the snow and drought occurrence day and the snow and drought intensity based on the daily accumulated snow water equivalent percentile; classifying the temperature and humidity of the day based on the cumulative temperature percentile and the cumulative rainfall percentile; and step 3, analyzing snow and drought based on a classification result and a graph theory method. While the snow and drought events are identified and classified, the evolution trajectory of the snow and drought events can be visually and finely visualized.

The utility model relates to the technical field of jeans, and discloses jeans with a knee warm-keeping structure, which comprise two trouser legs, a connecting groove is arranged in the middle of each trouser leg, a warm-keeping structure is connected in each connecting groove, each warm-keeping structure comprises a warm-keeping pad, a sweat absorbing layer and a jean layer, and each warm-keeping pad is connected with the corresponding knee warm-keeping structure. The warm-keeping pad is detachably connected with the connecting groove through a connecting assembly, the sweat absorbing layer is fixedly connected with the inner wall of the warm-keeping pad, the denim layer is fixedly connected with the outer wall of the warm-keeping pad, and the surface area of the denim layer is larger than that of the connecting groove; the warm-keeping gaskets and the sweat-absorbing layers are arranged in the trouser legs of the jeans, the warm-keeping effect of the warm-keeping gaskets is utilized, the body temperature can be effectively locked, knee joints are prevented from being cold, the overall warm-keeping capacity and practicability of the jeans are improved, and the knee joints of a user are prevented from being frozen and stiff in cold seasons; meanwhile, the sweat absorbing layer can keep the skin dry and comfortable.

The utility model discloses a multi-layer adjustable beehive, and particularly relates to the technical field of beekeeping, the multi-layer adjustable beehive comprises a bottom hive assembly, a super assembly is arranged on the upper side of the bottom hive assembly, a plurality of frame assemblies distributed in a linear array are arranged on the inner surface of the super assembly, a hive cover assembly is arranged on the upper side of the super assembly, the bottom hive assembly comprises a first hive body, and a second hive body is arranged on the bottom hive assembly. A first supporting frame is fixedly connected to the upper side of the inner surface of the first box body, and a queen excluder is arranged on the upper side of the first supporting frame. According to the multi-layer adjustable beehive, the space between the frames can be accurately adjusted by arranging the frame assemblies, so that the space between the frames is consistent, bee colonies can better keep the body temperature in cold seasons, heat loss is reduced, and bees can more effectively utilize honey storage space due to the consistent space between the frames; the box cover assembly is arranged, so that the ventilation quantity can be adjusted, the temperature and humidity in the device are adjusted, and the environment in the box is optimized.