62results about How to "To achieve the effect of ventilation" patented technology

The invention discloses a safety helmet. The safety helmet comprises a helmet shell (1), an elastic buffer layer (2) and an inner layer (3), wherein a helmet brim (7) is arranged on the helmet shell (1), a bulge (4) is arranged on the top of the helmet shell (1), a first air hole (5) is formed at the joint of the bulge (4) and the top of the helmet shell (1), a second air hole (6) is formed in the side part of the edge of the helmet shell (1), and a protective cover (8) is arranged on the helmet shell (1); the elastic buffer layer (2) is made of silicone rubber, and massage bulges (9) are arranged on the elastic buffer layer (2); and the inner layer (3) is in an annular structure. The safety helmet is high in safety performance, good in protective effect, and rapid in heat dissipation, and can massage the head.

The invention discloses an energy-saving ventilation type elevator which comprises an elevator outer shell, an elevator inner shell, a pulley seat and a pulley. The elevator inner shell is installed in the elevator outer shell, a ventilation channel is formed between the elevator outer shell and the elevator inner shell, an extrusion plate is slidably connected to the top of a liquid storage cavity, and a fixing plate is arranged between two sliding grooves. According to the energy-saving ventilation type elevator, the pulley is driven to rotate when the elevator ascends and descends, and a first fan blade and a second fan blade are driven to rotate through rotation of the pulley, so that outside air is guided into the elevator and air in the elevator is guided into the outside, and circulation of the air in the elevator is improved; and the ventilation quantity of an elevator car can be changed according to different numbers of passengers in the elevator car, the air quality of the elevator car is improved, meanwhile, dust in air entering the elevator can be filtered, and the air entering the elevator can drive a third fan blade to rotate, so that a brush on a second rotating shaft sweeps the dust on a dust filtering net.

The invention relates to a novel dimmable shutter. The novel dimmable shutter comprises a rotating shaft, a whole column of blades connected to the rotating shaft, a decorative section, a balancing weight and a draw cord, wherein at least one movable blade is arranged in the blades and is divided into three sections, namely an overturning blade section and connecting blade sections positioned on two sides of the overturning blade section, adjacent sections are connected through a connecting piece, and the movable blade and connecting piece are together inserted on a thin shaft; the balancing weight vertically moves in the decorative section; one end of the draw cord is fixed to the rotating shaft, and the other end of the draw cord is sequentially connected with all connecting pieces from top to bottom until the balancing weight. When the blades of the shutter are closed, the rotating shaft is continuously rotated, the draw cord drags a connecting piece connected with the draw cord to move upwards, and the overturning blade section is driven to overturn. The novel dimmable shutter is skillful in structural design; the arranged movable blade can be continuously and optionally opened when a window is closed for preventing theft, and the effects of ventilating and the like are achieved.

The invention discloses an active and passive combined sound absorption door/window ventilation device which comprises an air inlet, an air outlet, a ventilation duct, an axial flow exhaust fan, a passive sound absorption device and an active noise control device. The active noise control system comprises an active controller, a peripheral circuit, a reference sensor, error sensors and control sound sources. The control sound sources and the error sensors are arranged on the back side of the exhaust fan at the air outlet. The reference sensor is arranged in the position of the air inlet. According to the active and passive combined sound absorption door/window ventilation device, forced air exhaustion is conducted through the axial flow exhaust fan, so that indoor ventilation and air exchange are achieved. Sound absorption materials and sound absorption structures are laid on the inner wall of the ventilation duct so as to conduct sound absorption control on medium-high frequency noise. Low-frequency noise is controlled by the active noise device. The active and passive combined sound absorption door/window ventilation device can be arranged on any side of a door/window and has good wide-frequency sound absorption performance, good ventilation performance can be provided, and noise pollution can be prevented and controlled.

The invention discloses a high-sealing sash window provided with an invisible screen window, which is consists of a window frame, a window sash fixedly provided with glass in the frames, a pulley gear, a slideway device and a sealing device. Sealing frames are arranged on the longitudinal peripheries of the left and right arms and the upper and lower arms of the window frame, transverse slideways are arranged between the sealing frames and the corresponding position of each longitudinal slideway on the upper and lower arms of the window frame corresponding to each window sash in the closed position, which can lead each window sash to be opened or closed longitudinally in a sliding way and to be folded transversely so as to be inosculated with the surrounding sealing frames, thus achieving high sealing, and the invisible screen window is arranged between the space in the left or right arm of the window frame and the adjacent window sash thereof. The sash window has the advantages of the convenient usage of the sash window and the high sealing of the casement window, overcomes the sealing dead angle and achieves the goals of energy conservation and environmental protection.

The invention relates to the technical field of mechanical equipment, and discloses a device for accelerating air flow in a mechanical equipment control cabinet for heat dissipation. The device comprises a cabinet body, wherein a rainproof plate is fixedly installed at the upper end of the cabinet body; a driving device is fixedly installed at the left end of the cabinet body; a spiral rod is rotationally connected inside the driving device; a heat dissipation fan is fixedly installed at the lower end of the spiral rod; rotating gears are engaged with the left end and the right end of the bottom end of the spiral rod; and connecting rods are movably mounted at the lower ends of the rotating gears. According to the heat dissipation device for accelerating air flow in the mechanical equipment control cabinet, the left end rotating gear drives a sliding rod to move upwards in one ventilation device through the connecting rod, cold air is extracted from a circulating cabinet, the right endrotating gear does opposite movement, and hot air in the cabinet body is extruded into the circulating cabinet through the other ventilation device, so that the effect of circulating the hot air in the cabinet body and the cold air in the circulating cabinet is achieved.

The invention discloses an environmental-friendly convenient paper cup. The invention aims to prevent dust and other substances from dropping into the cup body so as to prevent illness from entering via the mouth. A cup cover is arranged on the cup body; a plurality of first through holes are formed in the cover surface of the cup cover, and a good breathable effect can be achieved. When the cup body is filled with hot water, a breathable effect is achieved, and the condition that the cup cover and cup body deform due to extremely high pressure inside the cup body is avoided. In order to prevent tiny matters such as dust from entering the cup body via the first through holes, a spacer is clamped in the cup cover, a plurality of second through holes formed in the spacer also can achieve the breathable effect, the first through holes and the second through holes are staggered with one another, and the aim of preventing the tiny matters such as dust from entering the cup body is achieved.

The invention relates to the technical filed of household ventilation, and discloses ventilation detection equipment for underground dwelling houses. The ventilation detection equipment comprises a shell body, a rotating shaft is movably connected to the top of the shell body, a steering shaft is movably connected to the upper surface of the rotating shaft, a screw rod is movably connected to theinner part of the shell body, a tooth plate is fixedly connected to the inner part of the screw rod, a gear is movably connected to the surface of the tooth plate, a telescopic rod is movably connected to the surface of the gear, a reciprocating spring is movably connected to the end, away from the gear, of the telescopic rod, extrusion plates are correspondingly and movably connected to the two sides of the reciprocating spring, air bags are fixedly connected to the sides, away from a support frame, of the extrusion plates, and magnetic blocks are fixedly connected to the bottoms of the air bags. The reciprocating spring moves to cut magnetic induction lines generated by the magnetic blocks, thus an induced current is generated and can be used as force fordriving the gear to rotate, thatis, mutual reinforcing is achieved, the rotation of air change blades can achieve the function of air exchange, and thus the effect of driving air exchange by self amplification of wind power withoutan external power supply is achieved.

The invention discloses novel agricultural breeding equipment. The novel agricultural breeding equipment comprises a supporting base, a bearing base body, a control type cultivation barrel, a multifunctional lifting sealing upper cover, a display adjusting controller and a small water storage tank, wherein the bearing base body is arranged on the supporting base; the control type cultivation barrel is arranged on the bearing base body; the multifunctional lifting sealing upper cover is arranged on the control type cultivation barrel; the small water storage tank is arranged on the bearing basebody and arranged on one side of the control type cultivation barrel; the display adjusting controller is arranged on the side wall of the control type cultivation barrel; and the control type cultivation barrel comprises a shell, an electric heating plate, a cultivation cavity, a conduction stand column and a permeation moisturizing cultivation support. The invention belongs to the technical field of agricultural cultivation, and particularly relates to the novel agricultural breeding equipment which can regulate and control the temperature, humidity and illumination conditions of a growth environment of seed plants, achieve cultivation and growth of seeds at different positions under the same external conditions as much as possible, guarantee the growth consistency of the seed plants and improve the cultivation quality and effect and is convenient to control and practical.

The invention relates to a kinetic-static energy conversion type fresh air system, which relates to the field of ventilation of a passenger train. The kinetic-static energy conversion type fresh air system is characterized in that a negative pressure ventilation pipe is a straight pipe; a positive pressure ventilation pipe is a trumpet-shaped pipe; the top of a negative pressure air tap is a convex streamline-shaped arc surface; the top end of the negative pressure air tap is connected with a roof skin; the negative pressure ventilation pipe penetrates into a carriage through the lower part of a roof equipment cabin and a connecting pipe port of a carriage ceiling; the top end of the positive pressure ventilation pipe is connected with the roof skin; the lower end of the positive pressure ventilation pipe is positioned in the carriage; the lower end of a rainwater funnel is connected with a rainwater draining cross pipe; the rainwater draining cross pipe is connected with a rainwater draining vertical pipe; the rainwater draining vertical pipe leans close to the inner wall of the carriage; the bottom end of the rainwater draining vertical pipe is connected with a rainwater draining pipe port; the rainwater draining vertical pipe penetrates through a carriage bottom plate; the rainwater draining pipe port is formed in the exterior bottom of the carriage; the rainwater funnel is right against the downside of the negative pressure ventilation pipe; and the rainwater funnel is arranged right under the positive pressure ventilation pipe. The kinetic-static energy conversion type fresh air system provided by the invention is superior to the prior art in ventilation effect and has the advantages of simple structure and low cost.

The invention relates to a cell incubator, in particular to a cell incubator for biotechnology. The invention provides a cell incubator for biotechnology, which can ventilate and maintain the environmental requirements of suitable temperature, humidity, luminosity and the like required by cell growth. The cell incubator for biotechnology comprises a base, a box body, a box door and a control box, the box body is arranged at the top of the base, the box door is rotatably arranged on the box body, the control box is mounted on the box door, the cell incubator further comprises a fixing assembly and a ventilation assembly, the fixing assembly is rotatably arranged on the lower side in the box body, and the ventilation assembly is arranged on the box body and the box door. By arranging the fixing assembly, the fixing assembly can clamp a culture dish, and the culture dish is prevented from shaking and turning over at will; and the ventilation assembly blows outside air into the box body, original air in the box body is squeezed out through a ventilation opening, and the ventilation effect is achieved.

The invention provides a circulating green tea humidifier, a black tea fermenter, a humidifying apparatus and black tea fermentation equipment. The circulating green tea humidifier comprises a shell,a retaining plate, an automatic water feeding device, an atomizer, a condensation water box, a blowing device, multiple boxes, a T-shaped automatic movable wall and a computer version controller and belongs to field of tea processing. Both tea leaves of green tea, subjected to water removing and tea leaves to be fermented have good air permeability; in the cavity of the circulating green tea humidifier, damp air circulates internally to provide ideal tea making environment, and moisture regain effect and efficiency of the green tea subjected to water removing or black tea fermentation effect and efficiency are improved.

The invention discloses a translation sliding window, including window frames, within which there is at least one fixed fan activities and casement. The movable casement upper and lower transverse material adjacent upper and lower horizontal window frames on a ball chute material, which covers the movable casement through ball chute installed in the open sliding window frame agencies and the upper and lower transverse material adjacent link. The agencies mentioned include the installation of sliding open the window frame and movable casement adjacent upper and lower transverse expected in the upper and lower ball slipway two support slider, which is on the support package in a fixed installation movable casement upper and lower transverse material on the upper and lower rails slippery block, along with support slider on the ball sliding ball chute. This invention is not only with airtight of casement window, but also watertight of good features, but safety of sliding window , opened the indoor space free-occupied.

The invention discloses a novel bedroom purification window. The novel bedroom purification window is characterized in that a purification window body 4 is composed of a purification window frame 4-1and a purification area 4-2; the purification area 4-2 is composed of glass 4-3 with holes, a biosynthetic fiber layer 4-4, coconut shell compressed activated carbon 4-5 and a hollow ultrafiltration membrane 4-6; the left side of the coconut shell compressed activated carbon 4-5 is connected with the biosynthetic fiber layer 4-4; the biosynthetic fiber layer 4-4 is connected with the glass 4-3 with the holes; the right side of the coconut shell compressed activated carbon 4-5 is connected with the hollow ultrafiltration membrane 4-6; the hollow ultrafiltration membrane 4-6 is connected with the glass 4-3 with the holes; and the glass 4-3 with the holes is connected with the purification window frame 4-1. After the novel bedroom purification window is mounted, outside gas passes through thethrough holes of the glass with the holes and then sequentially passes through the hollow ultrafiltration membrane, the coconut shell compressed activated carbon and the biosynthetic fiber layer, thehollow ultrafiltration membrane removes nano-grade particles, the coconut shell compressed activated carbon removes bad smell/foul smell, the biosynthetic fiber layer can remove bacteria again, and the outside gas enters a room after three-stage filtration.

The invention discloses a shock-absorbing and ventilating shoe, which comprises a sole and a vamp body. The outer side of the vamp body is sewn with one side of a waterproof cloth. Buckle, elastic airbags are uniformly arranged in the airbag layer, the bottom ends of the elastic airbags are connected to air holes, and the outer side of the elastic airbags is provided with a protective cover, the protective cover is a U-shaped structure, and the protective cover It includes an upper cover body and two sets of lower support plates, the upper cover body and the lower support plate are connected by a spring, elastic balls are provided at both ends of the spring, the bottom end of the upper cover body and the top end of the lower support plate are both There is an arc-shaped groove matching the elastic ball, and the top end of the elastic airbag passes through the upper cover body and the shock-absorbing layer to communicate with the air-permeable cushion through the connecting pipe, and the elastic airbag is connected to the air-permeable cushion through the connecting pipe. The shock-absorbing and ventilating shoes are convenient for rebounding and ventilating, have good air permeability, are convenient for waterproofing, and have good shock-absorbing effect at the same time.

The invention discloses a multifunctional high-efficiency heat dissipation device applied to a computer, and relates to the technical field of computers; the device comprises a box body and power elements; the power elements are fixedly mounted on the inner side wall of the box body; a through hole is formed in the side wall of the box body; a cleaning plate is fixedly mounted in the through hole;a linkage mechanism is rotationally mounted on the side wall of the through hole; an air draft mechanism is mounted on the inner side wall of the box body; a dust suction box is fixedly mounted on the outer side wall of the box body; a sliding pipe is fixedly mounted in the dust suction box; the end part of the box body is fixedly connected with a heating head; an adjusting mechanism is mounted in the heating head; a ventilation groove is formed in the side wall of the box body in a penetrating mode, a filter plate is installed in the ventilation groove, a sliding groove communicating with the ventilation groove is formed in the inner top of the ventilation groove; the negative pressure effect is achieved through an air draft mechanism, and the dustproof plate is cleaned while heat dissipation of power elements in the box body is achieved.

The invention relates to the technical field of communication equipment and discloses an anti-shake vehicle-mounted WiFi device. The device comprises a sliding rail fixedly connected to a vehicle anda sliding block connected to the sliding rail in a sliding mode. A WiFi emitter is installed in the sliding block. An elastic ball and at least two piston cylinders are fixedly connected to the sliding block. An inner cavity is formed in the elastic ball. A rolling ball is placed in the inner cavity. A piston is connected to the inside of each piston cylinder in a sliding mode. Springs are connected between the pistons and the piston cylinders. Piston rods are fixedly connected to the pistons. One end of each piston rod is located in the inner cavity and can abut against the rolling ball. An air bag communicating with the piston cylinders is circumferentially and annularly connected to the sliding block. One-way valves are installed between the air bag and the piston cylinders. The flow direction of each one-way valve is from the corresponding piston cylinder to the air bag. Each piston cylinder is provided with a one-way air inflow valve. The device further comprises switches and a controller which are installed on the vehicle. The switches are evenly distributed in the vehicle. The controller is electrically connected with a drive mechanism and the switches. Vibration of the device can be reduced, comprehensive WiFi coverage is achieved, and the network use effect is improved.

The invention discloses an intelligent wearable device based on the Internet of Things. The device comprises an intelligent glove body and a glove fabric structure, the lower end of the intelligent glove body is fixedly connected with a connecting assembly, the lower end of the connecting assembly is fixedly connected with a silk connecting belt, and the upper surface of the silk connecting belt is fixedly provided with a controller and a detection device. By analyzing various detection data and setting and adjusting data priorities and thresholds, complex external environment detection and effective management can be realized, and accidents of a user in an outdoor environment can be reduced; and besides, the binding force of the device on the human body is very small, discomfort caused bytoo tight tightening of the wrist is avoided. The ventilation effect can be achieved through a ventilation assembly on the front face of the intelligent glove body; the antiskid effect and the ventilation effect can be achieved through an antiskid assembly on the back face of the intelligent glove body; and through the glove fabric structure, the hand of the wearer can be more comfortable.

The invention discloses breathable leather shoes, which comprise uppers, soles and heels, wherein the soles and the heels are both arranged at the bottom end of the uppers, the heels are arranged on one side of the soles, a plurality of U-shaped grooves are formed inside the walls of the uppers, openings on both ends of the U-shaped grooves face the soles, one end of the U-shaped grooves is provided with inner through holes, the inner through holes penetrate the uppers and extend to one side of the inner walls of the uppers, one end of the U-shaped grooves is provided with outer through holes,the outer through holes penetrate the uppers and extend to one side of the outer walls of the uppers, and a heel cavity is formed inside each of the heel. As for the breathable leather shoes, the joint arrangement of the U-shaped grooves, the inner through holes and the outer through holes promotes ventilation and breathability inside the shoes. The feet of wearers are prone to breeding bacteriain a damp and sealed environment for a long time, while in a ventilating environment, bacteria are less likely to breed, thus the breathable leather shoes can avoid harm to humans and achieve the ventilation purpose of the breathable leather shoes.