28results about How to "Reduce wind area" patented technology

The invention relates to the technical field of photovoltaic panel mounting brackets, and provides a photovoltaic panel mounting bracket, which comprises a mounting bottom plate, a first support column and a second support column, the first support column is connected with the second support column, and the middle part of the mounting bottom plate is rotationally connected with the first support column; the driving mechanism is arranged on the first supporting column and comprises a first wind drum blade barrel, an inner sleeve and an outer sleeve, the inner sleeve is slidably connected with the first supporting column and arranged in the outer sleeve, a reset spring is connected between the inner sleeve and the outer sleeve, the first wind drum blade barrel is rotationally connected to the front end of the outer sleeve, and a driving gear is arranged in the middle of the first wind drum blade barrel; a toothed rail is arranged on one side end face of the first support column; wind power drives the first wind drum blade cylinder to rotate and synchronously drives the outer sleeve to transversely move relative to the inner sleeve, so that the driving gear is meshed with the toothed rail, and the inner sleeve and the outer sleeve move upwards along the first supporting column; the outer sleeve is connected with a first traction rope and a guide wheel, and the first traction rope pulls the mounting bottom plate to rotate. The inclination state can be adjusted, the windward area is reduced, and the photovoltaic panel is prevented from being damaged or lifted.

The invention discloses a foundation pit safety protection device for municipal roads, and relates to the technical field of construction protection, the foundation pit safety protection device comprises two stand columns and a cross beam, the two ends of the cross beam are connected with the tops of the two stand columns respectively, the bottoms of the two stand columns are jointly connected with a bottom plate, and a plurality of parallel rotating shafts are rotatably connected between the cross beam and the bottom plate; when wind power is large, by means of the narrow pipe effect and the Bernoulli principle, the movable plates in the grooves are pressed to slide to extrude the stop blocks at the groove openings, the piston plates are triggered to slide upwards, and through meshing transmission of the spur racks and the gears and meshing transmission of the first bevel gears and the second bevel gears, the movable plates are driven to rotate, so that the wind power is increased, and the working efficiency is improved. All the rotating shafts rotate by 90 degrees and drive the protection plates to rotate together, so that the wind area of the whole device is reduced, the wind resistance is reduced, the device is prevented from being blown down by strong wind, and the stability of the device in severe weather is improved.

The utility model discloses an ecological floating island type water body purification device relates to water body purification field, including separate type floating platform, and the separate type floating platform is by central unit and a plurality of edge unit that surrounds distribution in the periphery of central unit is formed, and the middle position of central unit is equipped with the installation box, is equipped with telescopic drive system in the installation box, and telescopic drive system includes the drive motor that sets up in the installation box, and the output of drive motor is equipped with first rotary shaft, and the one end away from drive motor of first rotary shaft is equipped with transmission assembly, and transmission assembly is connected with the winding wheel, and the winding wheel is equipped with the rope, and the one end of rope is fixed in winding wheel, and the other end corresponds to connect each edge unit, and the separate type floating platform can be flexibly adjusted the distance of edge unit and central unit through the rope of telescopic drive system control, and the coverage area of floating island is expanded, and the purification range is improved.

The invention discloses a photovoltaic solar panel capable of adapting to a strong wind environment, and relates to the technical field of photovoltaic solar panels. The device comprises a column body, the surface of the column body is slidably connected with the inner wall of a track, the surface of the side, away from a bottom plate, of the column body is rotatably connected with the inner side face of an anti-collision assembly, the side, away from the bottom plate, of the anti-collision assembly is fixedly connected with the side, close to the track, of a shell, a lighting assembly is fixedly installed in the shell, and the column body slides in the track. The shell can rotate around the track and also can rotate around the column body, the area blown by the strong wind can be reduced to the maximum extent, the influence of the strong wind on the shell for a long time is avoided, and the wind erosion on the device is reduced; and the service life in a strong wind area is prolonged.

The application discloses a photovoltaic device, a photovoltaic system and a construction method of the photovoltaic system, and belongs to the technical field of photovoltaic technology. The photovoltaic device comprises at least one photovoltaic module group, a plurality of photovoltaic modules of the photovoltaic module group are sequentially hinged, the photovoltaic module group is provided with a roller on at least one side, and the roller is suitable for rolling cooperation with a module cable of the photovoltaic system; a box body, the photovoltaic module group is installed on the box body, and the box body comprises a base and a side wall; the base is provided with an anchoring point, the photovoltaic module group is supported on the base, the base is suitable for being installed on a first side column of the photovoltaic system, and the side wall is detachably installed on the base. According to the photovoltaic device, a large number of complex and tedious construction links can be transferred from high altitude to the ground, the photovoltaic module group can be quickly positioned and installed at high altitude, the wind area of the photovoltaic module can be greatly reduced under strong wind weather by switching the plurality of photovoltaic modules between a folded state and an unfolded state, and the economy, reliability and durability of the photovoltaic system are improved.

The embodiment of the invention provides a seedling throwing control method, device and equipment and a medium, and relates to the technical field of seedling throwing. The seedling slinging control method is applied to the seedling slinging system, the seedling slinging system comprises an unmanned aerial vehicle and a seedling slinging mechanism, and the seedling slinging mechanism is hung on the unmanned aerial vehicle. The method comprises the steps that in the seedling throwing operation process, current environment wind data are obtained, whether the environment wind intensity reaches a set threshold value or not is determined based on the environment wind data, and if yes, the unmanned aerial vehicle is controlled to hover, the seedling throwing mechanism stops seedling throwing operation, and the seedling throwing mechanism is controlled to reduce the wind area. Therefore, reliable control and response to scenes with strong wind power are realized, and the accident rate is reduced.

The invention provides a high-stability photovoltaic support, and relates to the field of photovoltaic supports, and the high-stability photovoltaic support comprises a vertical frame and a front side supporting plate. Vertical frames are welded to the left side face and the right side face of the front side supporting plate, a containing frame is hinged to the top ends of the vertical frames, a connecting rod is hinged to the center of the lower side face of the containing frame, a sliding frame is hinged to the other end of the connecting rod, a motor is installed on the front side face of the front side supporting plate, and a threaded rod is installed on a motor shaft of the motor. Foot plates are welded to the lower side faces of the vertical frames, and weights are placed on the upper side faces of the foot plates; through arrangement of a movable threaded rod, a sliding frame, a connecting rod, a placing frame, a heavy block and a foot plate, wind impact of external strong wind on the surface of a solar panel is reduced, the bottom gravity center of the photovoltaic support is improved, and connection between the photovoltaic support and the ground is firmer and more stable; the problem that a traditional photovoltaic support cannot be rapidly adjusted according to the windward surface of a solar panel, so that the windward impact surface of the solar panel is large, and the photovoltaic support is unstable is solved.

The utility model discloses a wine cup type overhanging tower with a negative protection angle, which comprises a cross arm structure arranged on a tower body, and is characterized in that the cross arm structure comprises a middle-phase lead cross arm and common base materials positioned at two ends of the middle-phase lead cross arm, and the common base materials are provided with side-phase lead cross arms and a ground wire bracket; wherein the common base material obliquely extends in the direction away from the tower body and the middle-phase wire cross arm, the side-phase wire cross arm extends in the direction away from the middle-phase wire cross arm in the horizontal direction, the ground wire support extends in the extending direction of the common base material, and the ground wire support extends till the end of the ground wire support exceeds the end of the middle-phase wire cross arm in the horizontal direction. According to the utility model, the side-phase lead cross arm and the ground wire bracket are connected by utilizing the rising public base material, so that the negative protection angle is formed and the air gap is ensured to meet the requirement, the whole wind area is smaller, the whole height of the wine glass overhanging tower is reduced, and the weight is lighter and the economical efficiency is better under the same expiration height.

The invention discloses a marine folding arm crane and a using method thereof, and relates to the technical field of cranes. The folding arm crane for the ship comprises a first split base installed at the position, close to a bow, of a deck, and further comprises a crane arm which comprises a fixed arm fixed to the upper portion of the first split base, a large lifting arm rotationally installed at the upper end of the fixed arm and a small lifting arm rotationally installed at the other end of the large lifting arm. A hydraulic cylinder used for pushing and pulling the lifting large arm is arranged on the first split base. The cargo lifting hook assembly is arranged on the split base I and the crane boom; the second split base is located on the side, close to the center of the deck, of the first split base, according to the marine folding arm crane and the using method thereof, when the small lifting arm is lifted, the force bearing point is located on the second split base, and when the small arm driving piece lifts goods, the force bearing points of the goods are dispersed on the first split base and the second split base; the crane boom is prevented from toppling.

The invention relates to the technical field of photovoltaic power generation, in particular to a wind-resistant variable-angle photovoltaic power generation device which comprises a mounting seat, a wind-resistant mechanism is arranged at the bottom of the mounting seat, a photovoltaic power generation panel is mounted at the top of the mounting seat, a cleaning mechanism is arranged on the outer wall of the mounting seat, and a controller is mounted on the outer wall of the mounting seat. A binding post is installed at the position, close to the controller, of the outer wall of the installation base. The wind-resistant variable-angle photovoltaic power generation device comprises a mounting base, a wind-resistant mechanism is arranged in the mounting base, the wind-resistant mechanism comprises a fixing block fixedly connected to the outer wall of the mounting base, and a rotating shaft is fixedly connected to the interior of the fixing block. The problems that in order to receive enough solar energy, a photovoltaic power generation panel is generally obliquely installed on an installation frame, when the external wind speed is too high, the windward area of the obliquely-installed photovoltaic power generation panel is large, and the photovoltaic power generation device is prone to being damaged are solved.

This invention relates to the field of distribution box technology and discloses a distribution box with photovoltaic modules, including a box body, a box door, an installation module, and photovoltaic panels. The box door is rotatably connected to the front of the box body, and the photovoltaic panels are fixedly connected to the outer surface of the box body through the installation module. The installation module includes a fixed frame, a first movable frame, and a photovoltaic panel frame. The inner side wall of the fixed frame is provided with a first adjustment component, and the inner side wall of the first movable frame is provided with a second adjustment component. Two sets of installation modules and photovoltaic panels are provided and arranged symmetrically on the left and right. The device adopts a two-stage electric angle adjustment structure to improve the light energy collection efficiency, and relies on wind speed monitoring to achieve automatic storage and protection in severe weather. With independent energy storage, it eliminates the dependence on external power supply lines. The main control module integrates Beidou GPS positioning and NB-IoT wireless transmission module, which can collect geographical location and interact with the cloud, while supporting remote operation and maintenance in the cloud and local adaptive light tracking.

This utility model belongs to the field of tent technology and discloses a dome tent resistant to strong winds, including a tent frame, diagonal support columns, and an adjustment component. The tent frame is composed of multiple sets of horizontal and vertical beams assembled together to form the main frame of the tent. The diagonal support columns are connected to the corners of the tent frame to support the tent fabric. The adjustment component includes a mounting base, mounting rod, plug-in rod, plug rod, and fixing component. The top of every four diagonal support columns is fixedly connected to the same mounting base. The height of the dome can be adjusted according to actual needs. In strong winds, appropriately lowering the height of the dome can reduce the wind-exposed area of ​​the tent, thereby reducing wind resistance and improving the stability of the tent. In sunny weather, the height of the dome can be raised to increase the height of the tent fabric, meeting the needs of more activity space and improving the user experience.

The utility model relates to the technical field of signboard, specifically disclose a angle adjustable signboard, including base, the top surface mounting of base has the mounting frame, the inner chamber middle part of mounting frame installs the mounting panel, the mounting panel end face and bottom are evenly rotatory and set up a plurality of connecting shafts between mounting frame respectively, the outer wall on connecting shaft installs the signboard, the top surface of mounting panel evenly distributes a plurality of positioning piece, the both sides of two connecting shafts in the same vertical direction are close to each other respectively and are provided with adjusting assembly, the utility model discloses a angle adjustable signboard is provided with mounting panel, positioning piece, connecting shaft and signboard, and in the process of device use, realizes the mutual separation between multiple signboards in the gale weather through the mutual cooperation between above -mentioned structure, reduces the integrity of device, reduces the wind area and stress, thereby reaches the effect that reduces the stress of device, improves device stability and security.

The utility model relates to the technical field of supporting structures, and discloses a photovoltaic power generation panel supporting structure, which comprises a supporting frame fixedly provided with a guide rod. A supporting rod is fixedly installed at one end of the side face of the guide rod, and a self-adaptive adjusting mechanism is arranged on the guide rod. The self-adaptive adjusting mechanism and the supporting rod are connected with a photovoltaic panel through rotating pieces. According to the photovoltaic power generation panel supporting structure provided by the utility model, the self-adaptive adjusting mechanism is arranged, so that the photovoltaic panel gradually tends to be in a horizontal state when large wind power acts on the photovoltaic panel, thereby reducing the wind area and reducing the damage phenomenon.

The utility model relates to the technical field of mast structures, in particular to a high-stability ship mast structure which comprises a main force rod and a base, the inclined main force rod decomposes the gravity borne by the main force rod into vertically downward pressure and horizontal thrust, the main force rod counteracts the vertically downward pressure through the strength of the main force rod, and the base is arranged on the base. A plurality of horizontal rods are evenly distributed between the main force rods in the horizontal direction, the pulling force between the horizontal rods and the main force rods counteracts the pushing force in the horizontal direction, the inclined pull rods divide the trapezoid units on all the faces into two triangles, all components of the mast body are combined together more firmly, and the main force rods, the horizontal rods and the inclined pull rods are all hollow rods. The self-weight of the mast body is reduced, the mast body is a cylindrical component, the wind area is small, the structure is simple, most of sea surface crosswind penetrates through gaps of the mast body, the mast body occupies the highest position of a ship, meanwhile, the influence on the stability of the ship body is small, and the mast body has the advantages of being light in self weight, large in bearing capacity, high in strength and the like.

The utility model relates to an integrated roof structure of a photovoltaic building, and aims to solve the problems that the inclination angle of a current photovoltaic array is fixed, the power generation efficiency of the photovoltaic array is influenced, the photovoltaic array is easy to blow down in severe weather and windy weather, the photovoltaic array is easy to smash and damage in hail weather, and the service life of the photovoltaic array is influenced. The photovoltaic array comprises a base, supporting columns are fixedly connected to the two sides of the middle of the top end of the base, adjusting grooves are formed in the opposite ends of the two supporting columns, and adjusting blocks are slidably connected into the two adjusting grooves. The power generation efficiency of the photovoltaic panel is further improved, the photovoltaic panel can be effectively prevented from being blown down by strong wind to be damaged, the photovoltaic panel can be effectively prevented from being damaged due to the fact that hail directly hits the photovoltaic panel, and the maintenance cost of the photovoltaic panel can be further reduced under the severe weather condition.

The utility model relates to a garden design landscape gallery frame. According to the technical scheme, the ceiling comprises a ceiling assembly, the ceiling assembly comprises a square tube cross beam, inclined rectangular through grooves are symmetrically formed in the front side wall and the rear side wall of the square tube cross beam, and inclined shielding plates are fixedly connected to the upper side wall and the lower side wall of an external opening of the front rectangular through groove and the rear rectangular through groove correspondingly; a plurality of groups of shielding plates are evenly distributed along the rectangular through groove from left to right, inserting grooves are formed in the middles of the right side walls of the shielding plates towards the left side, the inserting grooves penetrate through the side walls of the upper ends of the shielding plates, and baffles are movably inserted into the front and back opposite inserting grooves correspondingly; the ends, inserted into the front and back corresponding rectangular through grooves, of the front and back baffles are fixedly connected through threaded sleeves, the threaded sleeves are arranged on a driving mechanism in a sleeving mode, the driving mechanism is installed in the square tube cross beam, and the bottom edges of the lower side walls of the front and back baffle plates are installed on a fixing frame. The intelligent corridor frame has the beneficial effect that the practicability and intelligence of the corridor frame are improved.

This utility model relates to the field of covering technology for neutralization tanks, and discloses a sealing structure for covering neutralization tanks, including a tank body. The bottom of the tank body is respectively provided with a left cover plate and a right cover plate. By using the magnetic attraction of the S and N poles of the left and right neodymium magnets, the left and right fluororubber are tightly attached and deformed, thereby filling the installation tolerance and wear gaps after long-term use at the joint. At the same time, the polyurea elastomer coating sprayed on the surface of the fluororubber not only enhances the acid mist corrosion resistance, but also effectively improves the wear resistance of the sealing surface, forming the first high-efficiency sealing barrier. Meanwhile, four sets of airbags are dynamically inflated and deflated using corrugated telescopic tubes to keep them in a full state, thereby filling the edge gaps between the top of the tank body and the bottom of the left and right cover plates. Combined with the wrap-around setting of the C-shaped sealing cover, a second sealing defense line is formed. Thus, under the synergistic effect of the double sealing, the leakage of hydrochloric acid mist is effectively blocked.

This utility model provides a wind-resistant bus shelter, including a support beam. A first roof panel and a second roof panel are mounted on top of the support beam. The first roof panel is fixedly mounted on top of the support beam. A switching drive device is installed between the second roof panel and the support beam, driving the second roof panel to switch between an unfolded and a folded state. When the second roof panel is unfolded, it lies flat with the first roof panel. When the second roof panel is unfolded, it is stacked on top of the first roof panel. When the outdoor wind speed reaches a warning level, the switching drive device automatically switches the second roof panel from the unfolded state to the folded state. When the second roof panel is folded, it is stacked on top of the first roof panel, thereby reducing the overall wind-exposed area of ​​the roof panel by approximately 50%, thus reducing the risk of the bus shelter being blown over and minimizing economic losses.

The present invention discloses a PVT heat collection component with a protective structure, which specifically relates to the technical field of PVT heat collection components, including a PVT panel body, a wind speed detector and a mounting bracket for clamping and fixing the PVT panel body, wherein the wind speed detector is placed on one side of the rear of the PVT panel body through a support beam, and the front and rear sides of the PVT panel body are rotatably connected with protective plates, the inner side of the protective plate is coated with a reflective coating for reflecting light, and the outer side of the protective plate is coated with a protective coating. In the present invention, once the wind speed detector detects that the wind speed exceeds the set safety threshold, it will drive the PVT panel body to adjust from an inclined state to a horizontal state, thereby reducing the impact of wind on it. The protective plate can not only improve energy efficiency under normal working conditions, but also protect the equipment from the influence of the external environment under non-working conditions, so that the PVT panel body can be more adaptable to various weather conditions.

The invention discloses a water surface floating multi-rotor unmanned aerial vehicle with rotor wings capable of being transversely folded, and relates to the technical field of unmanned aerial vehicles, the water surface floating multi-rotor unmanned aerial vehicle with rotor wings capable of being transversely folded comprises a rack, a first folding assembly, a second folding assembly, a water surface floating assembly and a driving folding and unfolding assembly, the machine frame is rotationally connected with a main machine arm through a first folding assembly, and the main machine arm is rotationally connected with a rotor wing machine arm through a second folding assembly. The water surface floating assembly comprises a telescopic floating piece; according to the unmanned aerial vehicle, through the floating piece capable of automatically stretching out and drawing back, the floating piece automatically stretches out in the water floating operation process, the retraction state is kept when the unmanned aerial vehicle is not used, the wind resistance of the floating piece in the flying state is reduced, and the unmanned aerial vehicle is more convenient to use. And in cooperation with the main machine arm and the rotor wing machine arm which can be transversely folded, the occupied space and area of the unmanned aerial vehicle are reduced, and the unmanned aerial vehicle is convenient to carry and store.

The present application relates to sewage treatment and water oxygenation technical field, and disclose a kind of integrated solar-powered underwater rotary aerator, comprising: buoyancy carrier mechanism, for providing the floating support of device on water surface;Photovoltaic energy collection mechanism, installed above the buoyancy carrier mechanism, for converting solar energy into electrical energy and storage;Power transmission mechanism, set below the buoyancy carrier mechanism, with the photovoltaic energy collection mechanism electric connection, for generating rotary power and transmitting power to underwater;Rotary aeration mechanism, connected to the lower end of the power transmission mechanism, for releasing gas to water body in rotary state, forming diffusion aeration.The present application converts solar energy into electrical energy by photovoltaic energy collection mechanism and storage, provides operating energy for driving motor and gas supply mechanism, realizes in the water environment far from shore using solar power self-powered, get rid of the dependence on long distance cable, reduces deployment cost and maintenance difficulty.

The invention relates to the technical field of hoisting, in particular to stable hoisting equipment for municipal construction engineering, which comprises a hoisting mechanism, the hoisting mechanism comprises a fixed disc, a rotating plate is rotatably arranged in the fixed disc, an electric hoist is fixedly arranged on the lower side surface of the rotating plate, and the electric hoist is provided with a winding drum; the axis of the winding drum extends in the left-right direction, two steel wire ropes are wound on the winding drum, each steel wire rope is provided with a front end portion located on the front side of the winding drum and a rear end portion located on the rear side of the winding drum, and the front end portions and the rear end portions are not located on the same horizontal plane. The front end part and the rear end part of the steel wire rope are respectively used for hoisting two ends of the cuboid weight in the length direction; when the cuboid heavy object is subjected to wind in the left-right direction, the cuboid heavy object can rotate to the downwind position and drive the rotating plate to rotate at the same time, rotation of the rotating plate can drive the winding drum to rotate, the front ends and the rear ends of the two steel wire ropes are located on the same horizontal plane, and shaking of the cuboid heavy object can be reduced.

The present invention relates to the technical field of renewable energy utilization, and more specifically, to a power supply system for a Pluvialis red algae ball cultivation base based on solar energy and wind energy, comprising a Pluvialis red algae ball cultivation device and a plurality of renewable energy utilization devices regularly arranged on the top of the Pluvialis red algae ball cultivation device. The power supply system for a Pluvialis red algae ball cultivation base based on solar energy and wind energy directly installs a fixing mechanism between a plurality of supporting columns of the Pluvialis red algae ball cultivation device, thereby making full use of the space of the cultivation base. At the same time, when the driving motor is started, the moving slider moves downward as a whole, which will drive the fixed position of the placement frame to change, and make a plurality of solar panels parallel to the ground, thereby reducing the wind-receiving area of ​​the solar panels and reducing the impact of wind on the stability of the Pluvialis red algae ball cultivation device.

The present invention relates to the field of building construction, and specifically to a parallel steel beam string hanging device, comprising a support plate, wherein the support plate is provided with a lifting ring, and also comprising: an adjusting frame, wherein the adjusting frame is connected to the support plate; a lifting plate, wherein the lifting plate is rotatably connected to the adjusting frame via a connecting seat, and the lifting plate is also connected to the steel beam body via a lifting rope; and a lifting mechanism, wherein the lifting mechanism is respectively connected to the support plate and the adjusting frame, and is installed in coordination with the lifting plate; wherein the lifting mechanism comprises an adjusting component and a driving component, wherein the adjusting component comprises a rotating shaft, a control box, a guide vane and a control unit. The parallel steel beam string hanging device of the present invention has a novel structure, can avoid excessive swinging amplitude of the steel beam body, affecting the lifting work, is conducive to reducing the probability of safety accidents, and can extend the service life of the equipment, providing convenience for construction personnel.

The present invention belongs to the technical field of photovoltaic modules, and relates to a windproof suspension type photovoltaic assembly, including suspension cables, upper mounting sleeves, photovoltaic panels, connecting rods, lifting mechanisms and mounting mechanisms, both sides of the bottom of the photovoltaic panel are hingedly connected with upper mounting sleeves, the photovoltaic panel can be set on the suspension cables through the upper mounting sleeves, both sides of the two upper mounting sleeves are connected with connecting rods, the upper mounting sleeves are provided with lifting mechanisms and mounting mechanisms, the lifting mechanism includes a connecting frame, a driving motor and a screw rod, both upper mounting sleeves are connected with a connecting frame, the connecting frame is equipped with a driving motor, and the output shaft of the driving motor is connected with a screw rod. The photovoltaic panels in the present invention are all individually arranged, and each photovoltaic panel is independently arranged, and the wind receiving area is smaller than the interconnected structure. When the wind blows over the photovoltaic panel, the wind receiving area of ​​the photovoltaic panel is smaller, and the wind pressure generated is also less, thereby reducing the possibility of blowing off the photovoltaic panel.

The application discloses a highway safety warning device and relates to the technical field of highway traffic safety devices. The device is capable of preventing the warning board from being blown down by wind. The device comprises a support frame, a rotating block rotatably connected to the support frame, a support rod fixedly connected to the rotating block, a first warning board fixedly connected to the upper end of the support rod, symmetrically distributed rotating shafts slidably connected to the support frame, belts for driving the symmetrically distributed rotating shafts, first threaded rods fixedly connected to the symmetrically distributed rotating shafts, spline rods fixedly connected to the symmetrically distributed first threaded rods, the symmetrically distributed spline rods rotatably connected to the support frame, and symmetrically distributed counterweights threadedly connected to the symmetrically distributed first threaded rods. The position of the counterweights is adjusted to change the gravity center of the device, thereby enhancing the wind resistance of the device and preventing the device from losing the warning effect after being blown down by wind.

The air duct assembly of the up-down air-out air conditioner comprises an air duct, a first air guide component and a volute tongue, the air duct comprises an air duct upper air opening and an air duct lower air opening, the first air guide component is arranged at the air duct lower air opening, and in a refrigeration mode, the volute tongue is arranged at the air duct upper air opening. In the heating mode, the first air guide component can move to a first position, the volute tongue can move to a third position, and in the heating mode, the first air guide component moves to a second position, and the volute tongue moves to a fourth position; the air passing area of the air duct lower air opening when the first air guide component is located at the first position is larger than the air passing area of the air duct lower air opening when the first air guide component is located at the second position. According to the air conditioner, the air inlet amount of air entering from the lower portion can be increased in a refrigeration mode, left side air flue vortexes caused by air inlet and air entraining are reduced, vibration noise is avoided, the problem that when a lower air outlet of the air conditioner with the upper air outlet and the lower air outlet serves as the air inlet, large vortexes are generated due to the arrangement of the air guide plate is solved, and the vibration reduction effect is improved.