159results about How to "Play a role in ventilation" patented technology

The invention provides an intelligence material storage device which solves the problems that in the prior art, a file box is not turned over for a long time, and mildew or insect pests can be generated at the bottom. The device comprises a cabinet, the interior of the cabinet is divided into a plurality of storage grids through a plurality of vertical plates and a plurality of transverse plates;the plurality of transverse plates are bottom plates of the plurality of storage grids respectively; each of the multiple transverse plates is a structure with an inner cavity and an opening in the upper end. A ventilation device is mounted in a transverse plate at the bottom of each storage grid; The ventilation device comprises a first bottom plate and a second bottom plate; the first bottom plate and the second bottom plate are installed in the transverse plates in an up-down sliding mode and are composed of a plurality of bottom rods, a first rack and a second rack are fixed to the bottomof the first bottom plate and the bottom of the second bottom plate, and driving half gears located between the first rack and the second rack are rotatably installed on vertical plates on the two sides of each storage grid respectively. Through the first bottom plate and the second bottom plate, ventilation of the bottom of the file box is achieved, and the phenomenon that the bottom of the filebox is mildewed or damaged by pests during long-term storage is avoided.

The invention provides a beer outlet valve of a beer barrel, belongs to the technical field of beer barrel producing technology, and aims to solve the problems that the beer outlet mechanism of an existing beer barrel is complex in structure and tedious in operation. The beer outlet valve of the beer barrel comprises a valve body, a beer guide pipe and a handle. The center of the valve body is provided with a through guide hole, an air inlet pipe communicating with the guide hole is formed on the side portion of the valve body, the beer guide pipe is located at the guide hole and is connected with the valve body in a sealed manner, and an air outlet communicating with the interior of the beer barrel is formed between the bottom of the valve body and the beer guide pipe. The handle is hinged with the valve body and is connected with the beer guide pipe, and the side portion of the beer guide pipe is provided with an air inlet structure; when the handle drives the beer guide pipe to move downwards along the guide hole, and the air inlet pipe is allowed to be communicated with the air outlet through the air inlet structure. The beer outlet valve of the beer barrel has the advantages that air inflating and beer discharging can be implemented though operation for one time, and operations is simple and facilitated.

The invention discloses a building wall body and a roofing structure for heat preservation and regulation and ventilation. The building wall body and the roofing structure are characterized in that a wall body air brick layer and a roofing air brick layer are respectively built in a vertical surface layer and a roofing layer of a building external protecting wall body and the roofing structure, wherein the wall body air brick layer and the roofing air brick layer are hollow and are formed by more than one air brick passing through air channel openings of brick bodies; adjacent air channel openings between the air bricks in the air brick layer are connected to form the air channels; and the air channels form the external protecting wall body and the roofing structure of the building. The invention breaks through the restraint of the traditional design idea of the external protecting wall body and the roofing, uses the air layers and is matched with a temperature source, not only can play a role of preserving the heat of the external wall body and the roof of the building, but also can play a role of adjusting the temperature and ventilating in the emergency state, that is to say, can discharge dust, bacterial and the like out of the building by opening a closed port for emergently exhausting the smoke in the floor of the building under the action of negative pressure sucking force of an exhaust port at the upper part of the air layer of the building when fire happens or the bacteria are spread.

The invention relates to a camellia oleifera fruit airing device and method. The device is provided with a support, U-shaped support clips and airing discs. The support is composed of a plurality of transversal beams and support legs. A plurality of U-shaped support clips are arranged, openings of each group of the U-shaped support clips are opposite and symmetrically arranged on support legs at two sides of the support, an inclined angle between the bottom plane of each U-shaped support clip and the horizontal plane is within the range from 0 to 10 degrees, the airing discs are supported in U-shaped grooves of the U-shaped support clips, and can move transversally in the U-shaped grooves. The device is provided with multiply layers of movable airing discs, the sunlight can be prevented from being shaded by moving the support or adjusting the airing disc to make the airing disc stagger according the irradiation angle of the sun during an airing process, so as to achieve the optimal airing effect. The method comprises piling picked fresh camellia oleifera fruits for 48 to 72 hours at the normal atmospheric temperature, to let the camellia oleifera fruits naturally mature and crack, and paving the camellia oleifera fruits on the airing disc to air. Separation between the fruit shells and the tea seeds in the later can be convenient.

The invention discloses an environment-friendly gas-insulated cabinet. The environment-friendly gas-insulated cabinet comprises a base, two connecting plates which are in left-right symmetry are fixedly connected to the top of the base, the sides, away from the base, of the connecting plates are connected with support springs, the ends, away from the connecting plates, of the support springs are fixedly connected with support plates, the top of the base is provided with a through hole which is located on one side away from the two connecting plates and is communicated with the bottom of the base. By arranging two symmetrical condensers, a first circulating pipeline and a second circulating pipeline, the effect of circulating cooling of the liquid inside the pipelines can be achieved, so that the effect of reducing the internal temperature of the gas-insulated cabinet by utilizing the heat conduction performance of the pipelines is achieved, the temperature of the gas-insulated cabinetis enabled to be at a proper temperature through continuous circulating cooling, the effect that the resistance of the electric conductor cannot be increased due to the rise of temperature is achieved, the power resources consumed by electric power transportation are greatly saved, and therefore the effect of environment-friendly electricity utilization is achieved.

The invention provides a household science and technology system and a control method thereof. An air returning port located indoors is additionally formed in a shell of a fresh air dehumidifier and connected into an air inlet of the fresh air dehumidifier. Two ventilation modes of outdoor fresh air supplying and indoor air circulating are achieved. A fresh air unit can play a ventilation role and can cooperate with a radiation unit to bring air cooled or heated by the radiation unit to all corners of an indoor room, and the temperature adjusting capability and the temperature control stability of the system are improved. Meanwhile, the system can be combined with the radiation unit and a fan coil to form multiple work modes so as to adapt to different work environments and meet the requirements of different clients.

The invention relates to a multi-functional labour protective, health and safety shoes, in particular to shoes made of fire retardant, waterproof, antistatic, ventilating, heat insulation, insulating, breathable, anti-puncture, anti-skid, antibacterial, deodorant, health, massage, damping, soft and comfortable materials. A vamp is adhered to a sole by cold glue, and then sewn and fixed on the upper side of the sole. The shoe aims at solving the technical problem of providing labour protective, health and safety shoes which has more stable protective effect and more safety, provides foot massage and comfort for people when being worn in daily work by natural walking activities, thus dredging the feet channels, realizing foot health, benefiting health and relieving labour fatigue.

The invention provides a preparation method for an optical fiber preform. The preparation method is characterized by comprising the steps of preparing a cladding and a fiber core, and specifically comprises the steps that (1) raw materials of the cladding and raw materials of the fiber core are prepared; (2) the raw materials of the cladding and the fiber core are ground in an agate mortar and areeach put into a corundum crucible with a cover, after melting is carried out in an electric furnace, cladding molten glass is poured into a preheated copper film, and protective gas is introduced into a hollow glass tube; (3) fiber core molten glass is poured into the glass tube of the cladding, and pouring is carried out so as to form an optical fiber preform body; (4) the poured optical fiber preform together with a mold is clamped and drawn into the electric furnace for annealing treatment, and after annealing treatment is finished, natural cooling is carried out to reach room temperature;and (5) the optical fiber preform body is taken out for flame polishing, then mixed hydrofluoric acid and nitric acid are added for acid pickling, washing is repeatedly carried out with deionized water, and drying is carried out so as to obtain the processed optical fiber preform. According to the preparation method, fiber breaking is not liable to occur for an optical fiber drawing tower wire after the wire drawing process, and the fiber breaking rate in the disc dividing process is relatively low.

The invention relates to a ventilation air bag and a preparation method and mold thereof. The ventilation air bag comprises an air bag body, wherein an air containing inner cavity is formed in the airbag body, a one-way air inlet flow channel and a one-way air outlet flow channel which communicate with the air containing inner cavity are formed in the front end of the air bag body, and balls arearranged in the air inlet flow channel and the air outlet flow channel correspondingly; the air inlet flow channel and the air outlet flow channel comprise pipelines and closing rings which are arranged in the pipelines and are smaller than the inner diameters of the pipelines, a plurality of limiting points protrude on the inner walls of the flow channels, and the closing rings are matched with the balls to open or close the air circulation of the flow channels; and the limiting points of the air inlet flow channel limit the balls to fall into the air containing inner cavity and keep the flowchannels ventilated, the closing rings of the air outlet flow channel are matched with the balls to open or close the air circulation of the air outlet flow channel, and the limiting points of the air outlet flow channel limit the balls to run out of the air bag and keep the flow channels ventilated. The ventilation air bag is simple in structure, the air inlet flow channel and the air outlet flow channel are integrally formed in the air bag body, the balls move between the closing rings and the limiting points correspondingly to achieve the effects of one-way air inlet and one-way air outlet, and the overall structure is simplified.

The invention discloses breathable and sweat removing fabric adopting a multilayer combined structure. The fabric comprises a hydrophobic layer, a main yarn bundle, a yarn core and a crease-resistantlayer, wherein first hydrophobic holes are formed in the hydrophobic layer, the upper side of the hydrophobic layer is connected with a sweat absorption layer, the hydrophobic layer is arranged abovethe sweat absorption layer, second hydrophobic holes are formed in the hydrophobic layer, the second hydrophobic holes and the first hydrophobic holes are both connected with the sweat absorption layer, the crease-resistant layer is located above warp and weft, second connecting threads are mounted below the crease-resistant layer, and the crease-resistant layer is connected with the warp and theweft through the second connecting threads. According to the breathable and sweat removing fabric adopting the multilayer combined structure, the sweat absorption layer is nested in the hydrophobic layer, the first hydrophobic holes and the second hydrophobic holes in the hydrophobic layer both adopt an oval structure and distributed on the outer side of the sweat absorption layer in a staggered manner, sweat of the human body can be absorbed and air-dried conveniently, and the condition that other parts of the fabric is wetted by the sweat is avoided.

The invention discloses a solar protection device for building windows. The solar protection device comprises a window frame fixedly mounted on a wall of a building, a connector, a supporting frame and a louvered sunshade frame; the connector is installed on the building wall at the top of the window frame and the louvered sunshade frame is hung outside the connector. The supporting frame capable of adjusting and supporting the louvered sunshade frame is arranged between the louvered sunshade frame and the building wall. One end of the support frame is connected with a wall connection end in a hinge mode. The wall connection end is fixed to the building wall. And the other end of the supporting frame is connected with a frame body in a hinge mode. The connecting end of the frame body is fixed to the louvered sunshade frame. The louvered sunshade frame is welded by a hollow steel tube. The inner frame of the louvered sunshade frame is provided with a motor and connected with a plurality of sunshade boards in a hinge mode. The sunshade board are connected by a string which is wound around an output shaft of the motor.

The invention discloses an intelligent silkworm room. The intelligent silkworm room comprises a silkworm room body, silkworm frames and an environment control device. A water tank and an evaporator are arranged in a machine enclosure of the environment control device, the water tank is provided with an ultrasonic atomization transducer and a semiconductor chilling plate, and the evaporator is communicated with the water tank. A draught fan and a heater are arranged on the front side of the evaporator; an air outlet is formed in the portion, on the front side of the evaporator, of the machine enclosure; an air inlet is formed in the portion, on the back side of the evaporator, of the machine enclosure; a heat dissipation outlet facing the semiconductor chilling plate is formed in the machine enclosure; a heat dissipation air channel facing the heat dissipation outlet and an air inlet channel facing the air inlet are formed in the silkworm room body; stretchable humidifying pipes communicated with the water tank are supported on the left side and the right side of the machine enclosure in a swinging manner, and silkworm medicine vibration dispensers are connected to the front ends ofthe humidifying pipes; the machine enclosure is movably supported on a machine base through guiding rods and a lifting driving device, the machine base is movably supported on two guiding rails, power-supplying bus bars are arranged on the two guiding rails, and an intelligent control device is arranged in the machine base. By means of the intelligent silkworm room, it can be guaranteed that airin the silkworm room is fresh, temperature and humidity are even, and silkworm medicine is automatically and evenly dispensed.

The invention discloses a door and window with an air supply device. The door and window comprises a window frame and a glass surface, a ventilation plate is arranged at the top end of the window frame, a ventilation hole is formed in the middle of the ventilation plate, a pressurizing chamber is further formed in the ventilation plate, a pressurizing fan is arranged in the pressurizing chamber, a plurality of air inlets are formed in the side wall of the pressurizing chamber, a first pressurizing air duct is arranged in the ventilation plate around the ventilation hole, a ventilation annular groove is further formed in the inner wall of the ventilation hole, and the first pressurizing air duct communicates with the pressurizing chamber. According to the scheme of the door and window with the air supply device, by arranging the pressurizing chamber, air can be pumped into the room from the air inlet through the pressurizing fan and then blown into the room from the ventilation annular groove, and a gap between the ventilation annular groove and the first pressurizing air duct is set to be a small gap, so that the air outlet speed is increased; and through high-air-speed airflow, outside airflow of the ventilation opening can be driven to enter the room, meanwhile, indoor air circulation is improved, the ventilation efficiency is greatly improved, and the ventilation effect is guaranteed.

The invention discloses an apparatus for determining the exchange capacity of ion exchange resin. The apparatus is composed of a device B and a device C, the device B is an open-ended container, the device C comprises a filter, the outlet pipeline of the device C is provided with a flow control device, and the opening of the device B is connected with the inlet end of the device C; when the flow control device is closed, a closed cavity is formed between the device C and the device B, and the volume of the cavity is kept unchanged; the device C is provided with a gas change tube, the bottom end of the gas change tube extends into the device B, the top end of the gas change tube extends to the outside of the device B, and the top end of the gas change tube is provided with a gas flow control device; and when in a stationary state, the bottom end of the gas change tube is positioned above the liquid level of a reaction liquid. The problems of influences of resin and immersion liquid cooling time difference, cooling mode difference and resin extraction in the immersion liquid removal process on the determination of the exchange capacity of ion exchange resin and on avoiding of bottle stopper breaking in test are solved.

The invention belongs to the technical field of tunnel trestle, and discloses a telescopic intelligent multi-functional inverted arch trestle and a construction method using the same. The telescopic intelligent multi-functional inverted arch trestle a rear pedal, a connecting bridge body and a front pedal, wherein the connecting bridge body comprises a left main beam, a right main beam, a front cross beam, a rear cross beam and a connecting beam. The front pedal is positioned above the connecting beam, and the front pedal and the connecting beam are connected by a push-pull mechanism. The method includes the steps: arranging the front leg in the inverted arch that was initially dug, placing the rear wheels of the trestle on the finished flat surface, digging the inverted arch forward for adistance, extending the front pedal forward so that the front end of the front pedal is just in front of the inverted arch, wherein materials in front of the inverted arch are transported outward through the front pedal, connecting the bridge body and the rear pedal, retracting the front pedal after the tunnel is excavated forward for a certain distance, continuing excavating the inverted arch, and then extending the front pedal, thereby accelerating the construction progress and shortening the construction period; the solidification time of cement is fully satisfied and the engineering quality is improved.

The invention discloses a device for detecting the carbon content of fly ash, and relates to the technical field of detection of carbon content of fly ash. The device comprises a storage container; anignition mechanism is arranged in the storage container, and comprises a plurality of spherical ignition shells and a plurality of connecting cylinders; the spherical ignition shells are sequentiallynested with one another; the connecting cylinders penetrate from the spherical ignition shell on the outmost layer to the interiors of the spherical ignition shell on the innermost layer; vent pipesare led out from the end parts of the connecting cylinders and then expand upwards vertically; the upper ends of the vent pipes are communicated with the lower ends of vents; the vents are channels ofwhich the internal diameters are gradually expanded from bottom to top; and the bottom end of the spherical ignition shell on the outmost layer is connected to the bottom of the storage container through a supporting pillar. The invention aims to overcome the defect that in the conventional technical scheme that the carbon content of fly ash is measured on the basis of an ignition carbon loss method, the measurement accuracy is lower, and provides the device for detecting the carbon content of the fly ash. The measurement accuracy of the carbon content of the fly ash is improved.

The invention belongs to the field of doors and windows, and particularly relates to a ventilating window of a temperature-controlled bathroom. The ventilating window comprises a window body, a ventilating channel penetrating inside and outside is arranged on the window body, the ventilating channel, the outer side of which is high and the inner side of which is low is obliquely arranged, a powercavity and a transmission cavity are formed in the window body, the power cavity and the transmission cavity are separately located in the upper and lower sides of the ventilating channel, a slide block is slidably connected to the interior of the power cavity, the upper end of the slide block is fixedly connected to the side wall of the power cavity through a memory spring, the lower end of the slide block is fixedly connected to an active partition plate, the driving partition plate penetrates the ventilating channel and stretches into the transmission cavity, a storage groove is formed in the upper side of the ventilating channel, a driven partition plate is slidably and hermetically connected to the interior of the storage groove, a transmission mechanism is arranged in the transmission cavity, the driving partition plate and the driven partition plate are in transmission connection through the transmission mechanism, and a first vent hole and a second vent hole are separately formed in the driving partition plate and the driven partition plate. When the ventilating window is relatively high, the window is opened automatically to ventilate without being controlled manually, sothat the ventilating window is simple and convenient.

The invention discloses a combined intelligent building weak current system practical training device; the combined intelligent building weak current system practical training device comprises practical training and a protective frame, wherein a fixed frame is fixedly connected to the two sides of the top of the practical training table; a mounting frame is fixedly connected to the front surface of the protective frame, and a dust collector is fixedly connected to the inner wall of the mounting frame; a rectangular frame is fixedly connected to the front surface of the protective frame and located at the bottom of the mounting frame; a gas distributing pipe is fixedly connected to the middle of the front surface of the inner wall of the protective frame through a connecting block; and an air inlet pipe is communicated with the air inlet of the dust collector. The invention relates to the technical field of practical training. According to the combined intelligent building weak currentsystem practical training device, one end, far away from the dust collector, of the air inlet pipe penetrates through the protective frame and extends into the protective frame, so that the operationequipment on the practical training device can be protected for a certain degree, dust can be prevented from entering when not in use; and meanwhile, fine dust in the gap of the operation equipment can be removed, and good conditions are created for the normal operation of subsequent practical training.

The invention discloses a campus road lighting street lamp capable of preventing rain and adjusting height, which comprises a support column, a first bracket and a second bracket are welded on the top of the support column, and a first bracket and a second bracket are welded on the bottom of the first bracket and the second bracket. Lighting lamps, the top of the first bracket and the second bracket are provided with a waterproof layer, the support column is buckled with the ceiling through the positioning rod in the clamping hole, and the outer surface of the ceiling is provided with a soft leather layer, and the support column An aqueduct is arranged inside, and a filter screen is provided at the bottom of the aqueduct, seats are welded on both sides of the support column, and a hollow layer is provided on the upper surface of the seat, and the hollow layer passes through the guide tube and the guide in the support column. The water pipe is connected, the bottom of the seat is provided with an elastic plate, and the bottom of the elastic plate is provided with reinforcing ribs, and the bottom of the support column is welded with a base. In the present invention, the overall structure of the street lamp is simple and reasonable in design, has many functions, and has relatively low wear and tear on the joints, thus having strong practicability.

The invention discloses a crane control room equipped with an angle adjustable solar panel. The crane control room comprises a control room body and a solar panel, wherein a skylight is formed in the upper end of the control room body, the solar panel is arranged above the skylight, the solar panel is fixedly connected to the upper end surface of the control room body through four telescopic rods, the four telescopic rods are uniformly distributed and fixed to the upper end surface of the control room body and are arranged in a rectangular mode, the solar panel is fixedly connected to the upper parts of the telescopic rods, a generating device and an operating desk are arranged in the control room body, the solar panel is connected to the generating device, a heating device and a lighting device are fixedly connected to the interior of the control room body, and both the heating device and the lighting device are connected to the generating device. In the mode, electric power can be provided for the illumination of the control room and the heating device through solar power generation, and the light absorption angle of the solar panel can be adjusted.

The invention discloses a semiconductor refrigeration device and relates to the technical field of refrigeration devices. The semiconductor refrigeration device comprises a shell, a refrigeration assembly, a fan assembly, a heat dissipation opening, an air outlet and a power supply module, wherein an air direction plate is arranged at the bottom of the inner side of the shell; an air adjusting plate for changing the air direction is arranged on the inner side of the shell; an air inlet is formed in the bottom of the shell; the refrigeration assembly comprises at least one semiconductor refrigeration sheet with a cold end and a hot end; the refrigeration assembly is arranged on the inner side wall of the shell; the fan assembly is arranged on the inner side wall of the shell; the heat dissipation opening is formed in the top of the shell; the air outlet is formed in the bottom of the shell; and the power supply module is used for adjusting, controlling and protecting circuits and electrical equipment. According to the semiconductor refrigeration device, refrigeration and ventilation can be switched through switching of an air hole and control of the refrigeration assembly; the appearance size of the semiconductor refrigeration device is equal to or smaller than the height of a suspended ceiling, a user can conveniently embed the refrigeration device on the premise that the original room layout and structure are not changed; the environment temperature can be reduced; and the comfort degree of the human body can be improved.

The invention discloses a split type air-conditioning indoor unit, which can realize exchange of indoor air and outdoor air through a pipeline to achieve the exchange of the indoor air. The split type air-conditioning indoor unit comprises a shell with a main base and a front framework, a heat exchanger and a cross-flow fan, the shell is provided with an air outlet and an air inlet, an air duct is formed between the air outlet and the air inlet, the heat exchanger and the cross-flow fan are arranged in the air duct, the air-conditioning indoor unit also comprises a first air pump and a second air pump, and the pipelines of the first air pump and the second air pump are communicated with the indoor and the outdoor for exchange of the indoor air. By adopting the structure, indoor contaminated air can be pumped outdoors through the first air pump, outdoor fresh air can be pumped indoors through the second air pump, the indoor air can be exchanged effectively, the indoor oxygen content can be increased, the indoor carbon dioxide concentration can be reduced, the contamination of the indoor air can be avoided, and the bacterial growth can be inhibited.

The invention discloses a radiating type bulb based on lamp body inner and outer surface multi-layer heat dissipation and air circulation convection. The radiating type bulb comprises a lamp body, wherein a lampshade is arranged on the top of the lamp body; a light-emitting diode (LED) lighting component and a power supply box are arranged in the lamp body; a lamp cap is arranged at the bottom of the power supply box; an aluminum-based plate is arranged between the lamp body and the lampshade; the lamp body is provided with the heat-dissipating inner wall which has the curved section and is formed by arranging a plurality of convex ribs and flowing groove longitudinally in a staggered manner or the spiral heat-dissipating inner wall which is formed by arranging the ribs and the flowing groove transversely; a plurality of bosses are formed between the inner wall and the outer wall of the lamp body; vent holes are formed among the bosses; an air circulation convection heat-dissipating structure is formed between the vent holes and the heat-dissipating inner wall so as to form internal air circulation heat dissipation; and the surface of the lamp body has the heat-dissipating function, so the multi-layer heat dissipation of the inner surface and the outer surface of the lamp body and the surfaces of the inner walls of the vent holes and the air circulation convection heat dissipation can be realized.

The invention relates to the technical field of cosmetics, in particular to an intelligent cosmetic storage device, which comprises a shell body and a drawer, wherein a back plate is fixed to the farend of the shell body, and a plurality of bottom plates are arranged inside the shell body; the drawer is arranged in a storage space in the shell body, pulleys are connected to the bottom of the drawer through bearings in a rotary manner, and a horizontal rail is fixedly mounted on the upper surfaces of the bottom plates below the drawer; a magnet is fixed to the side surface of the far end of the drawer, and an electromagnet is fixedly mounted on the inner side wall of the back plate; a clamping device is arranged at the near ends of the upper surfaces of the bottom plates, and a sensor andregulating devices are arranged in the shell body; and an air pump is fixedly mounted on the outer side wall of the shell body, the air pump is communicated with the inside of the shell body, an air outlet is formed in the side surface of the shell body, a nameplate and an inductor are arranged on the outer side surface of the drawer, and an operation screen is arranged at the near end of the shell body. The device has the advantages of simple equipment structure, easy operation, high automation degree and capability of effectively prolonging the service life of cosmetics.

The invention particularly relates to a range hood remote control system and a range hood remote control method. The system comprises a range hood control switch board, and the range hood control switch board is provided with a WIFI power panel capable of controlling the working state of the range hood control switch board; the WIFI power panel is provided with a WIFI receiver capable of receiving signals, and the WIFI receiver is provided with a cloud network server capable of communicating with the WIFI receiver; the cloud network server is provided with a mobile terminal communicating with the cloud network server, the mobile terminal comprises a control circuit, an APP function control module, a mobile communication module and a map data module, and the control circuit is connected with the mobile communication module, the APP function control module and the map data module. The mobile terminal, the map data module, the APP function control module, the cloud network server and the range hood product are combined for use, the range hood is controlled to be started by monitoring the distance between the mobile terminal and the range hood, indoor evacuation and ventilation are implemented, and the ventilation effect is achieved.

The invention relates to base fertilizer for rose planting and a preparation method of the base fertilizer, and belongs to the field of fertilizer for flowers and plants. The base fertilizer comprises, by weight, 20-25 parts of rotten rose branches, 15-20 parts of peat, 25-30 parts of peanut dregs, 15-20 parts of tea seed cakes, 10-15 parts of pig bones, 10-20 parts of shrimp shells, 12-18 parts of night soil, 0.2-0.5 part of ammonium bicarbonate, 0.3-0.6 part of potassium sulphate, 0.8-1.2 parts of monoammonium phosphate and 0.010-0.015 part of rot stimulator. The base fertilizer for rose planting has the advantages that survival rate of rose plants can be high, pest and disease damage can be prevented, planting cost can be reduced, acre yield of roses can be increased, the obtained roses have high quality, and the base fertilizer is suitable for large-scale planting.

The invention relates to a feeding matrix suitable for 3-instar or older ghostmoth larvae and a cultivation method. The feeding matrix comprises vermiculite, river sand and coco coir, the raw materials are prepared into different proportions, so that the growth and development of the ghostmoth larvae in different ages can be met. According to the cultivation method disclosed by the invention, thefeeding matrix is utilized, and regular replacement and supplement of the feeding matrix is carried out until the ghostmoth larvae completely pupates. The method disclosed by the invention has the beneficial effects that the aged larvae can be subjected to pupation, eclosion and mating and oviposition through feeding, so that a stable ghostmoth source is provided for indoor feeding; the vitality of the bred ghostmoth larvae larvae is guaranteed.

The invention discloses a wind energy ventilation system for a high-rise building. The wind energy ventilation system comprises a window body and is characterized in that a cavity is formed in the position, on the upper portion of the window body, of a wall body; an air inlet pipe is arranged at the top of the cavity in a mode of communicating with the interior, and the end, communicating with thecavity, of the air inlet pipe is positioned at the top of the cavity; the side wall, close to the window body, of the cavity is fixedly connected with a plurality of elastic elements, the multiple elastic elements are arranged at equal intervals, each elastic element is fixedly connected with two abutting piezoelectric patches, every two abutting piezoelectric patches are arranged to be a piezoelectric set, and the multiple piezoelectric sets are arranged in parallel through wires; the side wall, located on the lower portions of the piezoelectric patches, of the cavity is fixedly connected with an air inlet cylinder, a piston is connected into the air inlet cylinder in sealed and sliding modes, a flowing channel is formed in the piston, and a one-way valve is connected into the flowing channel in a sealed mode. The wind energy ventilation system has the advantage that sound energy and wind energy of noise can be utilized to achieve the effects of ventilation and humidification.

The present invention relates to the field of anti-theft windows, in particular to an invisible anti-theft window for smart homes, which includes a window frame, a transparent window, a dust removal device, a storage tank, a movable window, a top substrate, a nozzle, a bottom substrate, a rectangular through hole, a second Two chutes, folding nets, control switches, curtain devices, detectors, alarm systems and controllers. There is a gauze, the storage slot is set inside the transparent window, the movable window is set in the storage slot, the dust removal device includes a dust removal brush and a slider, and the two ends of the dust removal brush are respectively fixedly connected with the slider. The function of intelligently scrubbing the windows reduces the amount of labor. The combination of the anti-theft window and the curtain device reduces the cost of purchasing curtains separately. At the same time, it has the function of preventing misjudgment, so that people can intuitively understand the information of the product, which is very practical. .

The invention discloses an enterprise office humidifier. The enterprise office humidifier comprises a first box body; first locating shells are fixedly connected to the right sides of both the top andthe bottom of a cavity of the first box body; a first fan is fixedly connected between cavities of the two first locating shells; and a first air inlet pipe communicates with the right side of the first fan. According to the enterprise office humidifier, through coordination between the first box body, the first locating shells, the first fan, the first air inlet pipe, a first air outlet pipe, adeodorization filtering layer, an active carbon filtering layer, a cold catalyst layer, a second air inlet pipe, a second fan, a second air outlet pipe, a second box body, a rotating rod, a first bevel gear, a second bevel gear, a motor, a rotating block, fan blades, a water pipe, a nozzle, a first water outlet pipe, a water pump, a water tank, a water water inlet pipe, a second water inlet pipe,a second water outlet pipe, a second locating shell, a supporting plate, a first through hole and a second through hole, a problem that an existing enterprise office humidifier has no air purificationfunction is solved.