21results about How to "Increase air flow" patented technology

This invention belongs to the technical field of cultivation equipment and discloses a water curtain-type vegetable cultivation component and an aquaponics hydroponic device. One of the water curtain-type vegetable cultivation components includes a cultivation rack with at least one water storage layer and at least one cultivation layer arranged longitudinally below the water storage layer. Each water storage layer has an overflow drain outlet capable of forming a water curtain. Each cultivation layer contains a cultivation cavity, and the upper surface of the cultivation layer has at least one planting hole communicating with the cultivation cavity. The cultivation rack also has longitudinally distributed water curtain channels. Each cultivation cavity of each cultivation layer has an overflow outlet corresponding to the water curtain channel and communicating with the water curtain channel through the overflow outlet. The water curtain channel communicates with the water storage layer through the overflow drain outlet. This water curtain-type vegetable cultivation component can be used independently as a hydroponic device for vegetable cultivation or placed within an aquaponics hydroponic device, making it more flexible and practical.

The utility model provides a kind of fruit packing environment-friendly paper box, including box body and box cover, the box body includes bottom plate, the top of the bottom plate is fixedly connected with energy-absorbing cylinder, the energy-absorbing cylinder is hollow structure, the inboard of energy-absorbing cylinder is equipped with multiple elastic supports, the top of the elastic support is equipped with the containing groove for placing fruit, the sidewall of the elastic support is equipped with the air passage that is connected with the inside of the containing groove and is penetrated, the sidewall of the energy-absorbing cylinder is equipped with the air hole that is mutually matched with the air passage symmetrically.The utility model is through being equipped with energy-absorbing cylinder and elastic support, and the energy-absorbing cylinder of hollow structure can absorb external impact force by self deformation, and elastic support can further disperse impact force by elastic deformation, so as to avoid that fruit is directly squeezed and collided, greatly improves the buffering protection performance of box body, and each fruit is placed in independent containing groove, and also can avoid mutual collision between fruits due to transportation shaking.

This application provides a pipe connection structure and frame. The pipe connection structure includes a first pipe, a second pipe, and a connector. The first pipe defines a first flow path and at least one first mounting hole; the second pipe defines a second flow path and at least one second mounting hole; the connector passes through the first and second mounting holes sequentially, and the connector defines a hollow channel that communicates with the first and second flow paths respectively. By using a connector that passes through the first and second mounting holes sequentially to connect the first and second pipes, thermal stress caused by thermal expansion and contraction at the weld joint of the first and second pipes can be avoided. This ensures that the connection between the first and second pipes remains structurally stable even under high-temperature operating environments, extending the service life of the pipe connection structure.

This utility model discloses a waste gas recycling device for rigid PVC foam boards. This device aims to solve the technical problem that existing technologies cannot directly recover hot airflow or utilize hot airflow to heat the medium according to needs, thus failing to meet the requirements of different scenarios. It includes a lower chamber and an upper chamber. An activated carbon filter layer is detachably connected inside the upper chamber. The lower chamber has multiple layers of heat-conducting pipes arranged in its inner cavity, with the ends of these pipes interconnected. The other ends of the uppermost and lowermost heat-conducting pipes respectively penetrate the lower chamber. A waste gas inlet assembly is installed on the top surface of the upper chamber. This utility model allows for the selection of directly recovering hot airflow or utilizing hot airflow to heat the medium according to needs, offering high flexibility in use.

The utility model relates to the technical field of special performance products and composite materials, in particular to a composite material and an absorption article, and the composite material comprises an EPTFE (Expanded Polytetrafluoroethylene) film and a moisture-proof and gas-proof film which are laminated; a through hole is formed in the moisture-proof and gas-proof film; the EPTFE film and the moisture-proof and gas-proof film are bonded and fixed in partial areas; the moisture and gas insulation film is in direct contact with the EPTFE film, or a barrier layer is arranged between the moisture and gas insulation film and the EPTFE film. The composite material provided by the utility model has the advantages of high air permeability and low moisture permeability, so that part of moisture can be discharged from the core body, and the external environment cannot be influenced. In addition, residual liquid in the interlayer space can be sucked back into the absorption layer through the through holes, so that the air permeability of the composite material is kept, and the composite material has good comfort and leakage resistance.

This invention belongs to the technical field of monitoring devices, specifically a monitoring device for elevator IoT devices. Addressing the issue of poor air circulation inside elevators, which easily leads to water mist affecting monitoring performance, the following solution is proposed: A mounting base, a fixing seat, and an elevator car panel are included. An installation opening is formed on one inner wall of the mounting base. An airflow chamber is fixedly connected to the inner wall of the installation opening, and two air collection buckets are fixedly connected to one outer wall of the airflow chamber. The input ends of the two air collection buckets are fixedly connected to the same air collection chamber. Air inlets are fixedly connected to the top and bottom of the air collection chamber, and three guide plates are evenly spaced inside the two air inlets. Two mounting brackets are fixedly connected inside the airflow chamber. This invention discloses a monitoring device for elevator IoT devices that improves air circulation around the monitoring device, preventing misting on the device's surface, ensuring its effectiveness, and allowing for surface cleaning.

The utility model discloses a heat dissipation type coal mining drill bit, and belongs to the technical field of drill bits. Comprising a drill bit body, a plurality of cutting tooth bodies protruding out of the drill bit body and extending to the head of the drill bit body from the side body of the drill bit body, a plurality of cutting tooth heads embedded and fixed to the cutting tooth bodies, and a connecting end connected to the tail of the drill bit body. A cooling cavity is formed in the drill bit body, an injection port communicated with the cooling cavity is formed in the center of the connecting end, and cooling liquid is injected into the cooling cavity through the injection port. Compared with a traditional drill bit, the heat dissipation type coal mine excavation drill bit adopts a double heat dissipation mode, namely heat dissipation is conducted through air flow outside and heat dissipation is conducted through cooling liquid absorption inside, so that the overall heat dissipation effect is greatly improved, and the situation that drill bit materials (such as hard alloy) are softened at high temperature, and cutting teeth crack or abrasion is aggravated is avoided; the service life of the drill bit can be effectively prolonged.

The utility model relates to the technical field of LED lamps, in particular to an intelligent control LED lamp which comprises a bottom plate, a vertical rod, an illuminating lamp assembly, a heat dissipation mechanism and a limiting mechanism, the vertical rod is arranged at the top of the bottom plate, the illuminating lamp assembly is arranged on the vertical rod, the heat dissipation mechanism is connected with the vertical rod through the limiting mechanism, and the limiting mechanism is arranged on the vertical rod. The number of the heat dissipation mechanisms is two, the number of the limiting mechanisms is two, each heat dissipation mechanism comprises a frame, a connecting plate and a mute fan, the vertical rod is sleeved with the frame, one end of the connecting plate is connected with the frame, the other end of the connecting plate is connected with the mute fan, and each limiting mechanism comprises a limiting plate, an electric push rod and a moving plate. One end of the limiting plate is connected with the vertical rod, the frame is in contact with the limiting plate, one end of the electric push rod is connected with the limiting plate, and the intelligent control LED lamp solves the problem that an existing device is poor in heat dissipation effect.

A breathable T-shirt comprises a bodice main body and a coat piece, and the upper edge of the coat piece is sewn and fixed to the face side of the bodice main body. The lower part of the bodice main body is detachably connected with the lower part of the coat piece, a plurality of positioning buckles are sewn on the lower part of the surface side of the bodice main body, the lower part of the coat piece is divided in the radial direction to form a plurality of split pieces, and a plurality of button holes are formed in the split pieces. The lower part of the bodice main body is detachably connected with the lower part of the coat piece, so that the fixed / free state switching of the lower part of the coat piece is realized, and the wearing scene of the type is widened; through the arrangement of the split pieces, the air flow between the coat piece and the main body in a fixed / free state is enhanced, and the air permeability and quick-drying performance of the clothes are guaranteed.

The utility model discloses a power adapter with overload protection relates to the field of adapter, including adapter main part, the side of adapter main part is equipped with first side groove, the second side groove is equipped with in first side groove, the both sides of adapter main part still are equipped with side groove, the top end and bottom end of first side groove inner wall all are equipped with the limiting hole, the limiting hole of bottom is equipped with the sleeve of lower convex rod, the top fixed mounting of lower convex rod has the wind -directing fin. The utility model solves the problem of the use effect of the existing power adapter with overload protection mentioned in above -mentioned background art is not good, is set up with the spacer, makes work chip board can not all with adapter main part and is pasted, thereby forms the air return cavity, and the side of adapter main part is equipped with first side groove, and the wind -directing fin of incline setting is movably installed in first side groove, and the wind -directing fin of setting plays a role of flow guide to the external natural wind.

A stator core, a birotor motor and a clothes dryer, the stator core comprises a plurality of outer stator wire slots and a plurality of inner stator wire slots, the outer stator wire slots and the inner stator wire slots are formed by separating a plurality of tooth parts uniformly distributed on yoke parts, and the extension directions of the tooth parts on the two yoke parts are opposite. The plurality of inner stator wire slots are used for accommodating stator windings to form an inner magnetic field, the plurality of outer stator wire slots are used for accommodating stator windings to form an outer magnetic field, and at least one yoke part is provided with a magnetic resistance structure used for inhibiting mutual interference between the inner magnetic field and the outer magnetic field. According to the utility model, on the premise of ensuring the output stability and efficiency of the double-rotor motor, the distance between the outer stator wire duct and the inner stator wire duct can be reduced, so that the outer diameter of the stator core is reduced, the size of the stator is reduced, and the size of the double-rotor motor is smaller; therefore, the double-rotor motor is suitable for a clothes dryer and other scenes with high volume requirements, and the equipment compactness is improved.

The utility model discloses a pressure-resistant brick and belongs to the technical field of pressure-resistant bricks. The through grooves are formed in the brick body, air flow in the brick body can be increased through the arrangement of the through grooves, in the brick body drying and sintering process, it is guaranteed that the inner shrinkage rate and the outer shrinkage rate are consistent, and therefore the situation that a green brick cracks is avoided, and the pressure resistance degree of the brick body is reduced is avoided; the main supporting plate and the inclined supporting plate are formed in the brick body extrusion forming process, the effect of supporting the interior of the brick body can be achieved through the arrangement of the main supporting plate and the inclined supporting plate, under the condition that the brick body is pressed, the inclined supporting plate and the main supporting plate can transmit borne force to the bottom of the brick body, and therefore the brick body is prevented from cracking.

The utility model provides an outdoor power distribution cabinet mounting mechanism, include: two frames, a plurality of fixed parts, two pad bars and support spare, wherein, between two frames are equipped with a plurality of connecting rods, a plurality of connecting rods are located at the four corners of frame respectively, a plurality of fixed parts are connected with a frame respectively, and set up close to connecting rod, two pad bars are symmetrically set up on another frame, and two through slots are symmetrically seted up on pad bar, support spare sets up in the inside of frame, and support spare is connected with pad bar and touches, the utility model embodiment's outdoor power distribution cabinet mounting mechanism is through setting up its bottom, increases the air flowability of power distribution cabinet bottom, avoids the rust phenomenon caused by the moisture return, thereby prolongs the service life of power distribution cabinet.

The present application belongs to the technical field of mechanical ventilation cooling tower, and proposes a noise reduction structure, a cooling tower group and a method of the mechanical ventilation cooling tower group, wherein a flow guide plate is arranged between the noise reduction wall and the cooling tower group, and an arc-shaped wind guide is arranged at the edge of the cooling tower group; the height of the noise reduction wall is less than the height of the air inlet of the cooling tower group, and a plurality of air inlets are formed in the noise reduction wall, so that the wind passes through the upper part of the noise reduction wall and the air inlets and then reaches the tower group through the flow guide plate, thereby solving the problem that the noise reduction wall is too close to the cooling tower and the height of the noise reduction wall is too high, which greatly reduces the air inlet of the cooling tower; by optimizing the structure of the noise reduction wall, improving the air flow of the air inlet of the cooling tower and controlling the transverse vortex of the four cooling towers in the corners of the tower group, the noise reduction requirement is met, and the cooling effect of the cooling tower is not affected.

The invention discloses edge gateway equipment with a heat dissipation mechanism, and relates to the technical field of gateway equipment, the edge gateway equipment comprises a gateway body and heat dissipation fins, the heat dissipation fins are arranged on the side edge and the top of the gateway body, each heat dissipation fin comprises a heat conduction plate and a plurality of fin strips, the fin strips are uniformly arranged on the heat conduction plate, and the heat dissipation mechanism is arranged on the gateway body. A plurality of assembling grooves are formed in the outer surface of the heat conduction plate, the interiors of the assembling grooves are assembled and connected with the lower ends of the fin strips through memory alloy blocks, the lower ends of the memory alloy blocks in a heated and unfolded state extend to the outsides of the assembling grooves, electrical elements are assembled in the gateway body through a substrate, and heat conduction pipes are arranged on the side edges of the substrate through heat conduction pieces. The end, away from the substrate, of the heat conduction pipe extends to the side wall of the gateway body. The micro grooves, the heat conduction pipes and the memory alloy are integrated to drive the vibration fins, zero-energy-consumption automatic vibration flow increasing and efficient heat exchange are achieved, and the passive heat dissipation performance under the natural convection condition is remarkably improved.

The utility model discloses an integrally packaged flat type SSD card circuit board with high heat dissipation and signal transmission performance, which comprises a circuit board installation casing, and a detachable circuit board main body is arranged in the circuit board installation casing. A circuit board mounting frame used for placing the circuit board main body is arranged in the circuit board mounting machine shell and corresponds to the circuit board main body, and clamping fixing assemblies used for fixing the circuit board main body are mounted on the two sides of the top of the circuit board mounting frame. According to the utility model, the circuit board main body is conveniently clamped and fixed on the circuit board mounting rack by arranging the clamping and fixing assembly, so that the circuit board main body is convenient to disassemble and assemble and convenient to replace or maintain, and the circuit board main body is convenient to replace or maintain under the interaction of the overhead mounted circuit board main body and the heat dissipation fan, so that the heat dissipation efficiency is improved. Air flow around the circuit board body is increased, good heat dissipation of the circuit board body is achieved, and stable signal transmission of the circuit board body is guaranteed.

This invention provides a process for preparing a recycled polypropylene degassing membrane and the recycled polypropylene degassing membrane, comprising the following process steps: S1, mixing and granulation: extruding and granulating polypropylene raw materials with a recycled polypropylene mass ratio of 55wt%-75wt% to obtain raw material particles; S2, melt spinning; S3, cooling and film formation: firstly, passing through an air section with a length of 30-100mm and a temperature of 5-10℃ for outer surface pre-cooling; then, passing the semi-solid membrane fibers sequentially through an air section with a length of 300-1000mm and a temperature of 80-100℃ for heat preservation and cooling, and then through an air section with a length of 300-1000mm and a temperature of 30-50℃ for natural cooling to obtain nascent membrane fibers; S4, corona treatment; S5, stretching and pore formation; S6, heat setting treatment: heat setting the stretched membrane fibers under heat treatment conditions of 120-140℃, heat treatment time of 30-40min, and stretching ratio of 1-3% to obtain finished membrane fibers. This invention uses recycled polypropylene granules as raw material to produce a polypropylene degassing membrane that combines high air permeability, low leaching, and long service life.

The utility model belongs to the technical field of automobiles, and particularly relates to an automobile wire harness protection box which comprises an upper protection shell and a lower protection shell, a motor is fixedly installed in the center of the interior of the upper protection shell, the output end of the motor is connected with a rotating shaft, an installation block is fixedly installed at one end of the rotating shaft, and air outlet fan blades are fixedly installed on the surface of the installation block. A lower positioning plate is fixedly installed at one end of the surface of the lower protection shell, and a nut is arranged at the bottom of the lower positioning plate. The upper protection shell and the lower protection shell are connected through the connecting block and the hinge, and the upper positioning plate and the lower positioning plate are correspondingly installed at one end of the upper protection shell and one end of the lower protection shell respectively, so that dust is prevented from entering the wire harness protection box to cause dust accumulation, and finally air convection is formed between the air inlet and the air outlet. Meanwhile, the motor drives the connecting block and the air outlet fan blades to rotate, air flow in the wire harness protection box is accelerated, internal heat accumulation of the wire harness protection box is avoided, heat dissipation is accelerated, and burnout of a wire harness connector due to heat accumulation is avoided.

This utility model relates to the field of electric vehicle technology and discloses a seat opening device for an electric vehicle's body-tapping wake-up system. It includes an electric vehicle body and a seat body mounted on the top side of the electric vehicle body. The interior of one side of the electric vehicle body has a storage space covered by the seat body. This utility model uses a multi-functional limiting mechanism composed of a pressure sensor, an arc-shaped toothed plate, a composite gear component, an electromagnetic limiting component, a controller, and a normally open switch. When used in conjunction with a hollow pressure plate and an elastic reset rod, it can, without interfering with the seat body's rotation on the electric vehicle body, press the hollow pressure plate and elastic reset rod to cause the pressure sensor to output pressure data. Once a specified pressure data is reached, the electromagnetic limiting component closes, releasing the limit. This allows the seat body to rotate freely on the electric vehicle body while facilitating the retrieval and placement of items, effectively solving the problems existing in the prior art.

The utility model relates to an efficient prefabricated part steam curing device which comprises a main body and a steam generator, the main body is connected with the steam generator through an air pipe, the air pipe comprises an upper air pipe and a lower air pipe, and an upper air outlet mechanism, a lower air outlet mechanism and a supporting mechanism are arranged in the main body. The steam generator is communicated with the upper steam outlet mechanism through an upper steam pipe, the steam generator is communicated with the lower steam outlet mechanism through a lower steam pipe, the upper steam outlet mechanism comprises three steam outlet units, and each steam outlet unit comprises a steam outlet disc and a rotary joint. Rotary air outlet of the air outlet disc can be achieved under cooperation of the flow guide holes, the air outlet uniformity is improved, the air outlet range is widened, all-directional steam curing can be achieved through cooperation of air outlet of the transverse pipes and the vertical pipes, the supporting net can stably support the prefabricated part, the air permeability can be improved, the curing effect can be improved, and the service life of the prefabricated part is prolonged. And the maintenance efficiency can be improved.

The utility model relates to a kind of drying device for rubber slippers processing, in particular to the technical field of rubber product processing equipment.The utility model includes box, pedestal, support, pivot, shoe stretcher, upper drying disc, side drying disc, air intake main pipe, fan, air heater, by shoe stretcher inside air supply, three-dimensional air supply mode of upper air supply and side air supply, combined with the rotary motion of slipper, ensure that slipper inner and outer surface, side wall and inner cavity can obtain uniform hot air, significantly improve drying quality, avoid deformation, three-dimensional air supply and rotary motion greatly enhance the heat exchange efficiency of hot air and slipper surface and air flow, shorten drying time, the shoe stretcher design of multilayer inclined annular distribution, make full use of box space, single can dry multiple pairs of slippers, use hollow pivot, support rod and shoe stretcher as hot air passage, high integration, air supply path is simple and effective.