12results about How to "Increase the ventilation area" patented technology

The utility model discloses four-season universal riding sport pants, and relates to the technical field of riding equipment. In the breathable pants body, the front surface of a pants body part is provided with a first breathable hole structure and a second breathable hole structure which are vertically arranged at an interval, the first breathable hole structure extends to the corresponding knee position of the pants body part from the upper end of the pants body part, and the second breathable hole structure extends to the corresponding knee position of the pants body part from the pants leg position of the pants body part. The rear surface of the trouser body part is provided with a third air hole structure extending from the trouser leg position of the trouser body part to the middle crotch line position of the trouser body part. The windproof trouser body sleeves the breathable trouser body to shield all the breathable hole structures, the upper end of the windproof trouser body is connected with the bottom of the trouser waist part through a first zipper, and the outer surface of the windproof trouser body is a waterproof surface; the breathable pant body is sleeved on the warm-keeping pant body, and the upper end of the warm-keeping pant body is connected with the bottom of the pant waist part through a second zipper. The utility model has good ventilation, heat dissipation, waterproof and windproof effects and good wearing comfort, and can be used in four seasons.

The utility model discloses a ventilation module of a tank container and the tank container, comprising a ventilation pipe connected to a ventilation port of the tank container; the ventilation head is arranged at one end, far away from the ventilation opening, of the ventilation pipe; the ventilation head is provided with a head pipe body connected with the ventilation pipe, a cover body covering the upper end of the head pipe body and a filter screen located in the head pipe body. The cover body is provided with an upwarp part located on the periphery, and a ventilation opening is formed between the upwarp part and the head pipe body. When the volume of an oil product in the tank box changes, air can enter and exit from the tank box through the vent pipe via the vent hole of the vent head, so that the balance of air pressure inside and outside the tank box is effectively maintained, and the problems of tank box deformation, difficult oil inlet or unsmooth oil outlet caused by abnormal air pressure are avoided; and safe and stable operation of the tank is ensured. The filter screen is arranged in the ventilation head, dust, impurities and other particles in air can be filtered out in the process that the air enters and exits the tank box, the particles are prevented from entering the tank box to pollute oil products, the quality of the oil products is guaranteed, and the impurities are prevented from damaging oiling equipment and oiled machinery.

This utility model discloses a biomimetic breathable flowerpot, relating to the field of flowerpot technology. It includes a pot body with side walls and multiple circumferentially oriented air vents. A honeycomb biomimetic drain tray is located at the bottom of the pot body, with multiple honeycomb drain holes and honeycomb air guide holes on its sidewalls. A biomimetic base is located at the bottom of the honeycomb biomimetic drain tray, including a base side wall with multiple circumferentially oriented drainage holes. An air vent adjustment mechanism is located at the top of the biomimetic base and is fitted onto the outside of the honeycomb biomimetic drain tray. This utility model, by incorporating a honeycomb biomimetic drain tray, achieves both rapid drainage and efficient air permeability while maintaining structural stability. The hexagonal honeycomb structure of the honeycomb possesses the characteristics of "high strength, lightweight, and porosity," resulting in good uniformity of airflow within the pot, increased air permeability, and significantly improved drainage speed.

A gauge pressure sensor comprises a housing with a mounting cavity formed inside, the housing comprises a lower housing and a cover body buckled on the lower housing, and the lower housing and the cover body are in sealed connection; the lower shell is provided with a medium guide hole for guiding a medium to be detected into the mounting cavity; a ventilation channel communicated with the environment is formed in the cover body, so that the mounting cavity is communicated with the environment; the pressure sensitive element is hermetically plugged in the medium guide hole so as to receive the pressure of the medium to be measured and generate a corresponding electric signal; the inner surface of the cover body integrally extends downwards to form the rib plate, and one end of the inner side of the ventilation channel is communicated to the mounting cavity from at least one mounting surface formed on the surface of the rib plate; the at least one first waterproof breathable film is correspondingly adhered to the mounting surface; the rib plate is arranged, and the first waterproof breathable film is also attached to the mounting surface of the rib plate, so that the structural strength of the cover body is enhanced, and a better waterproof effect is achieved.

The utility model discloses a kind of CANopen master station conversion profinet gateway's device, including gateway main body, heat dissipation component is arranged on the bottom wall of the gateway main body, the heat dissipation component includes the through cavity being opened on the bottom wall of the gateway main body, both ends in the through cavity are equipped with winding box.Affinity effect is in that: the utility model is equipped with heat dissipation component, during the use of gateway main body, servo motor drives screw rotation, and then make movable plate reciprocatingly move in through cavity under the action of screw block and guide block, on the one hand, the position of radiating fan can be changed, and then increase its heat dissipation range, on the other hand, two sides screen window net can be stretched or compressed, and screen window net can be always laid in through cavity under the action of winding shaft and scroll spring, and then increase its ventilation area, the combination of both, gateway main body inside can be efficiently heat-dissipated, guarantee its heat dissipation effect and use performance.

This utility model relates to the field of black goat breeding technology and provides a sheep pen environment monitoring and adjustment device for black goat breeding. It includes a base plate, a support frame welded to the top of the base plate, a protective net connected between the support frames, a roller shutter assembly connected to the top of the support frames, and a reinforcing rod connected to one side of the protective net. In this utility model, based on the roller shutter adjustment function, a stable escape-prevention barrier is constructed through the coordinated design of the protective net and the reinforcing rod. The protective net is tightly connected to the support frames on all four sides, forming a fully enclosed protective space. Furthermore, the reinforcing rod horizontally reinforces the protective net structure, improving the overall impact resistance. This design completely eliminates concerns about the sheep running away when the roller shutter is opened to adjust the environment, eliminating the need for breeders to spend time driving and penning the sheep before adjusting the environment. This saves labor costs and ensures that the environmental adjustment action can be initiated at any time, greatly facilitating user operation.

A multi-span greenhouse with an openable, pointed roof includes: a roof forming the pointed roof, a transmission mechanism, and a greenhouse frame. The transmission mechanism includes: a window-opening motor, a window-opening gear, a window-opening rack, and a window-opening arm. The greenhouse frame includes: gutters for drainage and trusses supporting the pointed roof. At least partially, each side of the pointed roof is provided with an openable / closable skylight that is linked to the window-opening arm. The shaft end of the window-opening arm is hinged to the gutter. The window-opening motor is fixedly mounted on the truss. The output end of the window-opening motor is connected to the window-opening gear, which meshes with one end of the window-opening rack. The other end of the window-opening rack is connected to the window-opening arm. The advantages are that the greenhouse roof can be opened, providing natural light for crop growth, greatly increasing the ventilation area, and quickly removing hot and humid air from the greenhouse, achieving rapid air exchange between the inside and outside of the greenhouse.

This invention discloses a wig fiber curling, styling, and drying production line, comprising a dual-station switching winding device, a belt conveyor heat setting device, and two vertically connected series drying boxes arranged from left to right. The invention first winds the fiber bundles onto anti-slip curling and styling tubes, then places the anti-slip curling and styling tubes into the assembly line-style belt conveyor heat setting device for hot steam styling. Finally, several anti-slip curling and styling tubes are connected in series and placed into the vertically connected series drying box for batch drying. After drying, the fiber bundles are removed from the anti-slip curling and styling tubes to form curled wig bundles. The drying process employs negative pressure extraction + positive pressure air supply, with high-temperature air drying the wig bundles from the inside out of the anti-slip curling and styling tubes. This results in faster and more uniform drying of the wig bundles, controllable temperature and humidity, and prevents the wig bundles from tangling together when removed after drying.

The utility model discloses high -precision stranding machine brake device belongs to stranding machine brake device technical field, and it includes servo motor, and servo motor output fixedly connected with the connection protection structure, one side wall center of connection protection structure is equipped with flange, and the inside center of flange is equipped with the connection rotation structure, and the front end of connection rotation structure surface is equipped with brake structure, in addition, the utility model discloses, and the elastic pad is closely attached first brake disc and produces frictional resistance through hydraulic telescopic link, and the synchronous compression is extended through compression spring along with telescopic link, and the stable additional pressure is formed through the elastic potential superposition, and the evenness and stability of brake friction force are strengthened, and can buffer the instantaneous pressure fluctuation of hydraulic system, avoid the brake precision deviation or component wear and tear caused by rigid impact, realize the accurate adjustable of brake intensity and the smooth controllable of brake process, satisfy the strict demand of high -precision stranding machine to brake response speed and speed control error.

The utility model discloses an air duct assembly and an electrical cabinet. The air duct assembly comprises a first housing and a second housing. The first shell is provided with a first air duct; the second shell and the first shell are arranged in the first direction, and the second shell is provided with a second air duct; the second shell is suitable for being matched with the first shell so that the first air channel can communicate with the second air channel. The second shell at least protrudes relative to one surface of the first shell so as to guarantee the heat dissipation effect or be conveniently connected with other elements, the second shell is further suitable for being separated relative to the first shell, so that the elements are allowed to be mounted or dismounted in the first direction, only the second shell needs to be separated from the first shell, the first shell does not need to be dismounted, and the mounting and dismounting efficiency is improved. Therefore, the maintenance is more convenient.

The application discloses a MEMS waterproof microphone, comprising: a substrate comprising a first area provided with a sound hole; a waterproof air-permeable film attached to the first area and covering the sound hole; a metal pad provided with a through hole and stacked above the waterproof air-permeable film; and a MEMS chip stacked above the metal pad; wherein the aperture of the sound hole is larger than the aperture of the through hole. The application uses the metal pad as a transfer intermediate, which can increase the size of the sound hole of the substrate and the air-permeable area of the waterproof air-permeable film without being affected by the size of the chip. The larger sound hole and air-permeable area can reduce the obstruction to the sound signal, provide a higher signal-to-noise ratio, and achieve good waterproof performance, thereby improving the comprehensive performance of the MEMS microphone.

The utility model provides a kind of explosion venting device, energy storage cabinet and energy storage system.The energy storage cabinet has energy storage cabinet board, the energy storage cabinet board is provided with explosion venting port, the explosion venting device includes: exhaust component, including fan and exhaust passage, the fan is used to be discharged to outside by the exhaust passage with the combustible gas in the energy storage cabinet;Explosion venting component, including explosion venting board, the explosion venting board can be at least partially separatedly cover on the explosion venting port, it can be opened by combustible gas when the combustible gas pressure in the energy storage cabinet is higher than predetermined value and at least partially separated with the energy storage cabinet board.According to the explosion venting device of the utility model, both can actively discharge the combustible gas generated after heat runaway to reduce the risk of cabinet explosion, and can open explosion venting board by using shock wave to vent when explosion occurs.