59results about How to "Achieve ventilation" patented technology

The application discloses a floating butt joint device and a butt joint tray system, the device can float in three vertical directions, realizes butt joint between different trays and different bases, and eliminates the butt joint influence caused by manufacturing and assembly errors. After butt joint positioning of the tray and the ground fixed frame, air in the air path in the tray can be ventilated, and the butt joint mechanism can maintain pressure of the air path in the tray after being separated from the butt joint. The centering clamping mechanism can make the sliding sleeve after floating return to the initial position. The AGV trolley can be matched to realize automatic transfer of the initiating explosive, the explosive and the initiating explosive agent, participation of people in the material transfer process is avoided, and man-machine isolation is realized.

The invention discloses a sock deodorization finishing device, and relates to the technical field of articles for daily use, the sock deodorization finishing device comprises a finishing cabinet and a placing drawer, the back of the finishing cabinet is provided with a ventilation fan, the bottom surface of the inner side of the placing drawer is provided with a placing plate, and the placing plate is in a criss-cross grid shape; the placing plate comprises a plurality of air cavities which are formed in the placing plate, the cross section of each air cavity is smaller than that of the placing plate, the air cavities are communicated with one another in a criss-cross manner, and at least one air cavity is communicated to the air inlet end of the ventilation fan; according to the sock drying device, air can be evenly guided to the bottoms of socks to be blown out through a ventilation fan, a placement plate, an air cavity and blowing holes, peculiar smells emitted by the socks are effectively taken away, the socks are kept in a good ventilation environment, the problem that the socks are smelly due to peculiar smell accumulation is solved, meanwhile, the growth environment conditions of microorganisms such as bacteria and fungi are destroyed, and the sock drying effect is improved. The phenomenon that the socks are smelly due to the fact that some odorous substances are generated in the metabolism process of microorganisms is prevented.

The utility model provides a moisture-proof storage rack for a solid chelating agent, belongs to the technical field of storage racks, and aims to solve the problem that in the using process of an existing moisture-proof storage rack for the solid chelating agent, when the bagged solid chelating agent needs to be placed in the storage rack, the storage rack is inconvenient to use. The problems that in the prior art, solid chelating agents need to be carried to the position corresponding to a storage cavity of a storage frame and then bagged solid chelating agents are placed in the storage cavity of the storage frame, the labor intensity is large, and the working efficiency is affected are solved, and a shell is fixedly connected to the upper end face of a bottom plate; the number of the sealing plates is two, and the two sealing plates are slidably connected to the inner side of the shell. The fixing frame is fixedly connected to the upper end face of the bottom plate. The number of the fixing rings is multiple, and the multiple fixing rings are fixedly connected to the inner side of the shell. The multiple sets of fixed chain wheels are rotationally connected to the inner side of the fixed frame. Through the arrangement of the device, the storage of the bagged solid chelating agent is facilitated, the working efficiency is improved, and the labor intensity is reduced.

The utility model belongs to the technical field of building curtain wall design, and particularly relates to a building curtain wall structure which comprises a single-layer main body, and a fixed rotary table is fixedly connected to the bottom of the single-layer main body. The inner side walls of the two fixed rotary tables are rotationally connected with a first fixed block and a second fixed block correspondingly. A window frame is fixedly connected to the side walls of the first fixing block and the second fixing block; a window frame is fixedly connected to the side wall of the window frame, and a curtain window is arranged in the window frame. Connecting plates are arranged between the adjacent second fixing blocks, and bolts are arranged between the second fixing blocks and the connecting plates. Rotatability of the building curtain wall structure is achieved by arranging the fixing rotary table, the first fixing blocks and the second fixing blocks, the common problem that high-altitude operation is needed for a traditional curtain wall structure is solved, the first fixing blocks and the second fixing blocks which are adjacent are connected through the connecting plates, stability and durability of the structure are enhanced, and the building curtain wall structure is convenient to use. And potential safety hazards can be reduced.

The utility model discloses a unit curtain wall ventilation structure which comprises an opening frame connected between curtain wall stand columns of two adjacent curtain wall units, and the height size of the opening frame is matched with the height size of the curtain wall units. The opening sash is provided with a heat preservation structure and rotationally connected to the interior of the opening frame, and the opening sash is opened towards the interior of a building; the ventilation aluminum plate is provided with ventilation holes and connected with the curtain wall stand columns of the two adjacent curtain wall units, and the ventilation aluminum plate is exposed outside the building and corresponds to the opening frame. According to the scheme, the opening sash is opened to be matched with the ventilation aluminum plate, ventilation is achieved, the opening sash is opened inwards, and safety is high; the integrity and the overall appearance effect of the outer vertical face of the curtain wall can be guaranteed through the ventilation aluminum plate; the opening frame is fully connected with the curtain wall stand column and matched with the opening sash with the heat preservation structure, and the overall heat preservation performance can be guaranteed.

The invention discloses a double-layer greenhouse with heating and cooling functions, relates to the technical field of agricultural cultivation greenhouses, and provides the following scheme that the double-layer greenhouse comprises a double-layer greenhouse body fixed to the ground, a heat preservation quilt mechanism laid on the outer surface of the double-layer greenhouse body, and a heating and cooling ventilation pipe piece fixed to the interior of the double-layer greenhouse body in a penetrating mode; according to the technical scheme, the strength of the greenhouse body is improved by arranging the inner-layer greenhouse frame structure and the outer-layer greenhouse frame structure, the heat preservation quilt is laid on the outer surfaces of the two layers of greenhouse frames, and the effect of improving the heat preservation performance of the greenhouse is achieved through the space formed between the two layers of greenhouse frames; the greenhouse is provided with the heating and cooling ventilation pipe fittings, the forced ventilation mode is matched with the airflow heating assembly, the temperature in the greenhouse is increased while ventilation in the greenhouse is achieved, the greenhouse is in a sealed state by means of the design of the closable waterproof cap, the heat preservation performance is further improved, and rainwater can be prevented from flowing backwards.

The utility model relates to a ventilation structure of elevator, including elevator car side plate, be equipped with N upper and lower parallel strip ventilation opening on the elevator car side plate, four support blocks according to rectangular array arrangement are installed to the outside of elevator car side plate and located the periphery of strip ventilation opening, install a half tooth bolt along the vertical direction on each support block, install a wind baffle between four half tooth bolts, the compression spring of being clamped between support block and wind baffle is covered on half tooth bolt, be provided with N-1 wind baffle and two wind baffle plates on wind baffle, two wind baffle plates are symmetrical, N-1 wind baffle is located between two wind baffle plates. Advantageous effect is: realize elevator car when static elevator car can ventilate, and the ventilation is suspended when elevator car runs.

The utility model discloses a machine shell for oral cavity cleaning and an oral cavity cleaning device, the machine shell comprises a shell body and a cover body, the shell body is provided with an opening, and the cover body covers the opening of the shell body; the cover body and the shell are mutually nested in a preset direction, and a liquid storage cavity is defined by the cover body and the shell; a micro-channel is formed between the shell and the cover body; the micro-channel can allow gas to penetrate in the preset direction and prevent liquid from flowing out, and the micro-channel communicates the liquid storage cavity with the outside through an assembly gap between the shell and the cover. The casing for oral cavity cleaning and the oral cavity cleaning device have the effects of being free of holes in appearance, breathable and waterproof.

The present invention belongs to the technical field of curtain wall glass frames, and specifically relates to a nearly zero-energy building curtain wall glass frame, including a connecting frame and a sunshade mechanism; the connecting frame includes a longitudinal keel and a transverse keel, and the transverse keel is fixedly connected to the longitudinal keel; the longitudinal keel is provided with a first ventilation hole on the outside, and a second ventilation hole is provided on the inside of the longitudinal keel, and a ventilator is provided on the longitudinal keel, and the second ventilation hole is connected to the first ventilation hole or the inner cavity of the longitudinal keel by adjusting the ventilator; the sunshade mechanism includes a telescopic sunshade and a scraper mechanism. When it rains, the second ventilation hole can be connected to the inner cavity of the longitudinal keel through the ventilator to prevent rainwater from entering the room, and ventilation can be achieved when it rains. When shading is not needed, the telescopic sunshade can be retracted and vertically formed between the connecting frames to avoid blocking the curtain wall glass and affecting the field of vision.

The invention relates to the technical field of reliability of power devices, and discloses an HTRB high-temperature reverse-bias test method, which comprises a test assembly arranged in a constant-temperature box, the test assembly comprises a first driving motor fixedly connected to the back of the constant-temperature box, the output end of the first driving motor is fixedly connected with a first output shaft, and the output end of the first output shaft is fixedly connected with a second output shaft. The outer wall of the first output shaft is rotatably connected with the inner wall of the constant-temperature box through a bearing, the first output shaft movably penetrates through the outer wall of the constant-temperature box and extends into the constant-temperature box, the other end of the first output shaft is fixedly connected with a rectangular frame, and the inner wall of the rectangular frame is slidably connected with a semiconductor device; the top of the rectangular frame is movably connected with a ventilation plate through a hinge, and through the arrangement of the test assembly, the semiconductor device can be uniformly heated by rotating the rectangular frame after the semiconductor device is fixed in the rectangular frame, so that a high-temperature reverse bias test is carried out.

The utility model is suitable for the technical field of livestock breeding houses, and provides a multidirectional ventilation livestock breeding house which comprises a breeding house body. The opening and closing door is hinged to the outer side wall of the breeding house body; the round hole is formed in the position, close to the upper portion of the opening and closing door, of the outer side wall of the breeding house body; the ventilation cylinder rotates on the inner side wall of the circular hole; the gas collecting hood is fixed on the outer side wall of the ventilation cylinder through a bolt; the gear is welded at the central position of the top of the ventilation cylinder; the inner cavity is formed in the position, close to the outer side of the gear, in the breeding house body; the wind direction of the outer side of the breeding house body is monitored in real time, the ventilation cylinders are controlled to rotate and then face the wind direction, wind energy is fully utilized to achieve ventilation in the breeding house body, the air flowing rate in the breeding house body is increased through air convection flowing, therefore, better ventilation of the breeding house body is achieved, and ventilation is achieved without consuming a large amount of electric energy.

The present invention discloses a colorful laser lamp, comprising: a housing; a laser lamp module, the laser lamp module comprising a laser lamp, a gear transmission assembly and a first grating sheet, the first grating sheet being arranged on the gear transmission assembly and being located in front of the irradiation of the laser lamp; an LED lamp module, the LED lamp module comprising a multi-color LED lamp, a rotating member and a corrugated sheet, the rotating member being meshedly connected with the gear transmission assembly, the corrugated sheet being arranged on the rotating member and being located in front of the irradiation of the multi-color LED lamp. The present invention realizes a combination of two forms of light by arranging a multi-color LED lamp in the laser lamp, the corrugated sheet enables the light of the multi-color LED lamp to produce a halo effect, and enhances the visual experience together with the laser light, and the rotating member is meshedly connected with the gear transmission assembly, on the one hand, the first grating sheet and the corrugated sheet can be rotated simultaneously, the dynamic change of the light can be increased, and the artistic expression effect of the light can be improved; on the other hand, the laser lamp module and the LED lamp module can be combined more compactly, which can achieve miniaturization.

The invention discloses a planting method for improving moderate saline-alkali land soil, belongs to the technical field of saline-alkali land soil improvement, and comprises the following steps: S1, dividing a planting area into a plurality of planting belts with a mesh layout by means of a grid, and planting corn and leguminous green manure in the planting belts in an intercropping manner; S2, applying fertilizers including an improver to the planting belts; S3, after the planting and harvesting are completed, crushing the straws of the two crops and returning them to the field; the improver is a carbonized product obtained by chemical treatment using crushed wood chips as raw materials; the planting method of the invention has a good effect on subsequent soil improvement, can effectively improve the soil planting environment, and plays a role in blocking salt and improving fertilizer efficiency.

The invention relates to the technical field of fuel cells, in particular to a sealing structure and a bipolar plate, the sealing structure comprises an anode sealing element and a cathode sealing element, the anode sealing element and the cathode sealing element are respectively provided with an anode mounting port and a cathode mounting port, and the anode sealing element and the cathode sealing element are hermetically attached to each other. A bipolar plate structure with the peripheral side sealed through the sealing structure is formed, an air cavity and a cooling liquid flow channel are formed between the anode sealing piece and the cathode sealing piece, and due to the fact that the air cavity and the cooling liquid flow channel are arranged in the anode sealing piece and the cathode sealing piece and are separated, water-air mixing of the air cavity and the cooling liquid flow channel can be effectively avoided, and the sealing effect of the bipolar plate is improved. The anode sealing piece and the cathode sealing piece are respectively provided with the anode air hole and the cathode air hole which are communicated with the air cavity, and the anode air hole and the cathode air hole are respectively formed in the anode sealing piece and the cathode sealing piece, so that water-air mixing in the process of leading in anode gas and cathode gas and the process of leading out cooling liquid can be avoided.

The present invention relates to the technical field of furniture, and discloses a rotating deodorizing shoe cabinet based on intelligent furniture, comprising a cabinet body, a revolving door rotatably connected to the front of the cabinet body, a control panel installed at the front of the revolving door, a rotating column rotatably connected to the inner wall of the cabinet body, a support plate slidably connected to the surface of the rotating column, a movable plate slidably connected to the inner wall at the top of the support plate, a rotating rod rotatably connected to the surface of the movable plate, a rotating block fixedly connected to the end of the rotating rod away from the movable plate, a through hole is opened on the surface of the rotating block, and activated carbon is arranged inside the rotating block. The present invention can make the rotating block enter the shoe opening through the coordinated use of the cabinet body, the revolving door, the control panel, the rotating column, the support plate, the movable plate, the rotating rod and the rotating block, so that the activated carbon inside the rotating block can absorb the odor in the shoes, thereby reducing the odor existing in the shoes and the shoe cabinet.

The invention belongs to the technical field of power transmission and transformation project protection, and provides an artificial bird inhabiting device applied to a power transmission and transformation project and a working method thereof.The artificial bird inhabiting device can provide drinking water and food for birds through a filter plate, a water tank, a planting base, bird edible plants and a guide part, meanwhile, excrement generated during inhabiting of the birds is collected, and the birds are protected; bird feces are guided into the planting bases to provide nutrients for birds to eat plants, sufficient drinking water sources and food sources are provided for the birds, meanwhile, cyclic utilization of resources is achieved, the bird attracting effect is high, the birds can inhabit in the box body, the influence of the birds on a power transmission and transformation project is reduced, and the birds cannot be hurt; meanwhile, rainwater can be collected through the water inlet cavity and the filter screen, then the water tank and the planting base can be continuously supplemented with water through the pump body and the water distribution pipe, and the rainwater is recycled through the water inlet cavity to be supplemented into the water tank or irrigate the bird edible plants in the planting base.

The invention relates to the technical field of electric meters, in particular to a multifunctional electric meter for smart grids; the electric meter comprises an electric meter body, a No. 1 channel, a ventilation module, a No. 2 channel, a No. 3 channel, an air intake grille and a No. 1 drainage piece; when gas flows in the No. 3 channel, the airflow enters the No. 1 channel, then the gas flows into the No. 2 channel through the No. 1 channel, then flows into the No. 3 channel through the No. 2 channel, and then flows out through the No. 3 channel, thereby realizing ventilation of the gas inside the electric meter body; when the gas is blown toward the front end surface of the electric meter body, the No. 2 drainage piece is arranged in an arc shape, and the No. 2 drainage piece has a drainage effect on the gas, so that the gas enters the No. 1 channel; when the gas is blown from the left and right sides of the electric meter body, the gas contacts the left and right sides of the No. 1 block, and the No. 1 block guides the gas into the No. 1 channel, so that the gas flow rate in the No. 1 channel is increased, thereby increasing the gas exchange rate of the electric meter body, thereby improving the cooling efficiency inside the electric meter body.

The utility model relates to the technical field of valves, in particular to a manual and electric valve capable of being opened vertically and axially, which comprises a valve body, an air inlet support is mounted in the valve body, a motor is arranged on the air inlet support through a motor mounting plate and is in transmission connection with a moving plate through a shaft, and the upper middle portion of the shaft is connected with the air inlet support through a first bearing. The top of the shaft is connected with the static piece through a second bearing, two proximity switches are arranged on the air inlet support, a first collision block is arranged on the movable piece, and the proximity switches are matched with the first collision block. Ventilation holes are formed in the movable piece and the static piece, and the sizes and the shapes of the ventilation holes are the same. The utility model has the beneficial effects that the motor is arranged in the air inlet bracket, so that the space required for mounting the valve is reduced, the valve can be mounted in a narrower space, and the mounting space is saved; the handle is arranged on the static piece, so that the valve is opened and closed by manually rotating the dynamic piece and the static piece instead of driving the dynamic piece through a motor in an emergency, and ventilation is achieved.

The utility model discloses a vegetable seed incubator which comprises an incubator body, two sets of identical ventilation mechanisms and a temperature adjusting mechanism, one set of ventilation mechanism comprises a top pipe arranged at the top of the left end of the incubator body, the bottom of the top pipe is communicated and connected with the interior of the incubator body through a connecting pipe, and an inner pipe is arranged in the top end of the top pipe. The top of the middle end of the sealing plate is connected with the bottom of the inner pipe in an attached mode, an air outlet is formed in the side wall of the bottom end of the lifting pipe, the interior of the inner pipe is slidably connected with the outer side of the lifting pipe, and the top end of the lifting pipe penetrates through the top of the external connecting sleeve to be connected with an external connecting pipe in a communicating mode; according to the scheme, air in the cultivation box can be exchanged, the content concentration of oxygen, carbon dioxide and other gases in the cultivation box can be adjusted, and the seed cultivation effect is improved.

The utility model is suitable for the technical field of home decoration, and provides a bathroom exhaust device which comprises a fastening assembly, an exhaust assembly is arranged on the inner wall of the fastening assembly, and an air inlet assembly is arranged at the bottom of the exhaust assembly; wherein the air inlet assembly comprises a cooling ring, an air outlet is formed in the top of the cooling ring, a water baffle is arranged at the bottom of the cooling ring, a drainage part is arranged on the inner wall of the cooling ring, the cooling ring, the water baffle and the air outlet are all made of metal materials, the exhaust assembly comprises a fan, and a chuck is arranged on the outer wall of the fan; wherein an air inlet seat is arranged at the air inlet end of the fan; through the arrangement of the air inlet assembly and the cooperative use of the air outlet assembly, in the use process, air in the bathroom is pumped out through the draught fan, so that air exchange is achieved, when the air passes through the cooling ring, the water baffle and the air outlet, the air is cooled, flows back into the water storage tank and is discharged through the water discharging piece, and therefore the situation that liquefied water drops into the bathroom is avoided.

The present invention relates to the technical field of mortise and tenon structure plug-in doors, and proposes a mortise and tenon structure plug-in door that is easy to disassemble and assemble, comprising a door body, a plug-in door frame, an installation component and a limit plate, the plug-in door frame comprising a top frame and a side frame, the door body can be detachably arranged on the plug-in door frame through the installation component, the installation component comprises a rotating seat and a plug-in shaft, the rotating seat is slidably arranged on the plug-in door frame, the plug-in shaft is slidably arranged on the door body, a rotating groove matching the plug-in shaft is provided on the rotating seat, the plug-in shaft comprises a bottom shaft, a top shaft and a clamping block, the bottom shaft is slidably arranged on the door body, the top shaft and the bottom shaft can be spliced ​​into a cylindrical shaft, the bottom shaft and the top shaft are spliced ​​to form a clamping groove matching the clamping block, the limit plate is slidably arranged on the top shaft, and the door body is provided with a limit groove matching the limit plate. Through the above technical scheme, the problem that it is not convenient to quickly disassemble and reinstall the door in the prior art is solved.

The invention provides a fuselage component of a wind tunnel dynamic test aircraft model and a manufacturing method thereof, relates to the technical field of wind tunnel aircraft models, and solves the technical problem in the prior art that the fuselage component of a wind tunnel aircraft model adopts a traditional fuselage structure, which affects the accuracy of experimental data due to its heavy weight. The fuselage component of the wind tunnel dynamic test aircraft model comprises a load-bearing frame, an air intake pipe and a skin, wherein the load-bearing frame is arranged as a truss structure; a first mounting portion is arranged on the load-bearing frame, and the air intake pipe is fixedly connected to the first mounting portion; the skin is wrapped around the load-bearing frame and the air intake pipe, and a lip is detachably arranged at the air intake end of the air intake pipe, and the lip is arranged outside the skin; the invention adopts a skin-frame structure as a whole, effectively reduces the overall weight of the fuselage component, thereby significantly reducing the test oscillation inertia, increasing the natural frequency, alleviating the requirement for the structural rigidity of the test device, and greatly improving the accuracy of the experimental data.

The utility model provides an anti-flatulence feeding bottle plug structure and an anti-flatulence feeding bottle, the anti-flatulence feeding bottle plug structure is arranged at the bottom of the feeding bottle, the anti-flatulence feeding bottle plug structure comprises a plugging piece of a hollow structure, the plugging piece comprises an insertion part arranged in the feeding bottle, a transition part and a blocking part arranged outside the feeding bottle, and the insertion part, the transition part and the blocking part are sequentially connected and communicated and are coaxially arranged. The maximum outer diameter of the insertion part and the outer diameter of the blocking part are both larger than the diameter of the mounting hole in the bottom of the feeding bottle, and the insertion part is provided with a vent hole so that the inside and the outside of the feeding bottle can be communicated, air can flow along the plugging piece, the mounting hole in the bottom of the feeding bottle is plugged, the feeding bottle is ventilated, and air pressure balance inside and outside the feeding bottle is maintained. The insertion part and the blocking part limit movement of the feeding bottle plug in the axial direction of the transition part from the inside of the feeding bottle to the outside and movement of the feeding bottle plug in the direction from the outside of the feeding bottle to the inside, so that the feeding bottle plug is fixedly inserted into a mounting hole in the bottom of the feeding bottle, and falling of the feeding bottle plug is avoided.

The utility model provides storage equipment, belongs to the technical field of biological organic bacterial fertilizer equipment, and particularly relates to biological organic bacterial fertilizer storage equipment which comprises a box body, a sealing cover arranged in the box body is arranged above the box body, a pair of symmetrically distributed storage bins are arranged in the box body, and a through groove penetrating through the box body is formed in the side wall of the box body. The two ends, close to the sealing cover, of the storage bin are connected with arc-shaped limiting columns corresponding to the grooves, the two ends of the other storage bin are connected with sliding blocks corresponding to the through grooves, and the sealing cover is provided with ventilation holes penetrating through the sealing cover. The problem that in the prior art, biological organic bacterial fertilizer is inconvenient to store and take is solved.

The utility model discloses a ventilation structure and an electronic atomization device thereof. The ventilation structure comprises an air inlet channel formed in a support assembly and a ventilation valve arranged at the opening, facing a liquid storage cup, of the air inlet channel. The two ends of the air inlet channel are communicated with the atomization cavity and the liquid storage cup respectively, the scavenging air valve is arranged at the opening, facing the liquid storage cup, of the air inlet channel, when air exchange is not conducted, the gravity of atomized liquid in the liquid storage cup presses the scavenging air valve to close the scavenging air valve, and when air exchange is conducted, consumption of the atomized liquid in the liquid storage cup is reduced due to work; the pressure in the liquid storage cup is reduced, the atmospheric pressure pushes the scavenging air valve open, air enters the liquid storage cup, the scavenging air valve is closed when the pressure reaches balance after the air enters the liquid storage cup, the scavenging air channel achieves scavenging in the shortest distance, the section of the scavenging air channel can be made to be large, the scavenging sensitivity is high, and the air supplementing effect is good. And timely ventilation is ensured, so that the defects of drying or pasting of the ceramic core and the like are avoided.

The invention relates to the technical field of medical instruments and equipment, and discloses multifunctional leg fixing equipment which comprises a shank sleeve used for sleeving and positioning a shank of a human body; the thigh sleeve is used for sleeving and positioning the thigh position of the human body; the shank sleeve is connected with the thigh sleeve through the connecting frame; the fixing device is used for flexibly positioning the leg position; and a limiting device. According to the multifunctional leg fixing equipment, the legs of a patient can be gently fixed through the arranged special fixing device, the overall principle is similar to an air pressure fixing mode, the legs of the patient are fixed by means of the air pressure bandage principle of measuring blood pressure, and compared with traditional support type fixing, the fixing mode is softer, and the fixing effect is better. Moreover, the overall fixing effect is not weaker than that of a bracket fixing mode, and the leg area of the patient can be effectively subjected to air pressure type fixing by integrally utilizing wearable fixing, so that the comfort degree of the patient is improved, and the pain feeling is reduced.

The present invention discloses a plant growth regulating display box for popular science display, comprising a shell, a transparent sealing door and a controller are installed on the front side of the shell, two mesh plates are horizontally arranged in the shell, an emery cloth layer is arranged before the two mesh plates, the two mesh plates are fixedly connected to the inside of the shell, an adjustable fill light is installed on the inner top of the shell, a drain port is arranged on the left side of the inner bottom space of the shell, a manual valve is installed in the drain port, a second piston block that can slide back and forth is arranged in the columnar groove, and a horizontal channel is horizontally penetrated through the bottom inner wall of the shell. When the display box is in use, the gas circulation mechanism is used to ensure the uniformity of factors such as humidity and temperature of the internal air, and the required temperature and humidity can be controlled according to actual needs. In addition, the air can be intermittently ventilated to ensure the amount of oxygen required for plant growth.

The utility model discloses central kitchen storage equipment, and relates to the technical field of kitchen storage, the central kitchen storage equipment comprises a box body, a plurality of support plates are mounted in an inner cavity of the box body, a containing box for storing food materials is arranged above each support plate, and an air interchanger is mounted at the bottom of the inner cavity of the box body. Through cooperative arrangement of the motor, the fan blades, the airflow channel, the ventilation holes, the exhaust holes and other structures, the motor can drive the fan blades to suck external air into the bottom of the box body and push the air to move upwards along the airflow channel, at the moment, negative pressure is generated on the two sides of the containing box to extract air in the containing box, and the negative pressure effect is also generated in the containing box; under the action of negative pressure, air in the external environment is sucked into the containing box through the ventilation holes, ventilation of the containing box is achieved, and the problems that according to existing storage equipment, food materials are placed in a main body, the ventilation performance is poor, and in high-temperature weather, the food materials stored in the main body are prone to being quickly rotted and deteriorated due to the fact that ventilation cannot be achieved are solved as much as possible; and the use by a user is inconvenient.

The utility model discloses a box-type gastrodia elata planting device, which relates to the technical field of gastrodia elata planting and comprises a support and a box. The box body is movably connected with the support, a plurality of bosses are arranged at the bottom of the inner wall of the box body and are of hollow structures, a plurality of air nozzles are arranged on the outer sides of the bosses, an air blowing assembly is arranged at the bottom of the box body and used for supplying air to the bosses, and a vibration assembly is arranged between the support and the box body. The vibration assembly is used for generating vibration to loosen soil. The boss with the air tap is arranged in the soil in the box body, air can be blown out through the air tap in the growth process of gastrodia elata, the air content in the soil is higher, meanwhile, an air flow channel can be generated in the soil, the soil is loosened, the vibration assembly is arranged in a matched mode, the soil can be vibrated to be loosened, and therefore the gastrodia elata planting efficiency is improved. Furthermore, the soil environment for planting the gastrodia elata can be relatively loose.

The invention relates to a solar ventilation wall which comprises light-transmitting glass, a first ventilation opening, a second ventilation opening, a heavy wall, a third ventilation opening, a fourth ventilation opening and a heat insulation plate, air in an outer air channel formed by arranging the light-transmitting glass and the heavy wall at intervals can be heated through irradiation of sunlight, and therefore in a first working mode, the light-transmitting glass and the heavy wall can be heated; by means of the structure, cold air in the outdoor environment and hot air in the outer air channel form circulation so that heat on the heavy wall can be taken away, heat insulation can be achieved, circulation of the hot air in the outer air channel and air in the indoor environment can be promoted, and ventilation of the indoor environment can be achieved. And in the second working mode, circulation of hot air in the outer air channel and air in the indoor environment can be promoted, and therefore ventilation and heat insulation of the indoor environment are achieved.