139results about How to "To achieve the purpose of ventilation" patented technology

The invention discloses a nanometer material contained ladle bottom argon blowing permeable brick and a preparation process thereof. The permeable brick comprises components of high-purity corundum, spinel, alpha-Al2O3 micro powders, nano calcium carbonate, Si powders, binding agents and antiknock agents. The preparation process of the nanometer material contained ladle bottom argon blowing permeable brick includes the following steps of dosing, fine powder premixing, stirring, vibration forming, curing with molds, demolding, drying and baking. According to the nanometer material contained ladle bottom argon blowing permeable brick and the preparation process thereof, Cr2O3 is not used, and during usage, new pollutants are not generated, so that pollution treatment costs are reduced, and high environmental benefits are achieved; micropores are evenly distributed in the brick, so that cracks are effectively prevented from continuing spreading during usage, the toughness of the permeable brick is improved, the spalling is reduced, the service life of the permeable brick is prolonged, the permeable brick is basically free from bonding slag after usage, cleaning during usage is reduced, and production costs of iron and steel enterprises are reduced.

The invention provides an air exhausting control method and device and a down-down exhausting cabinet, and relates to the technical field of air conditioners. The air exhausting control method is applicable to the up-down air exhausting cabinet. The up-down air exhausting cabinet comprises a housing, and a functional device which is arranged in the housing, wherein an upper air outlet is formed in the upper part of the housing, and a lower air outlet is formed in the lower part of the housing. The air outlet control method comprises the following steps: receiving a shielding signal which is used for reflecting whether a barrier is within the preset distance from the lower air outlet; controlling the lower air outlet to open or close based on the shielding signal; and controlling the functional device to start or stop. The air exhausting control method meets the target demand and ensures the comfort.

The invention discloses a power conversion device. The power conversion device comprises a device base. A protection casing body is arranged on the device base. A processor is arranged on one side of the protection casing body. One end of the protection casing body is provided with a liquid inlet, a liquid outlet and an inlet base. The other end of the protection casing body is provided with an outlet base. The inlet base and the outlet base are electrically connected with a conversion box arranged in the protection casing body. The lower part of the conversion box is connected with a slide base through a group of vertical damping springs. Both ends of the slide base are provided with lateral damping springs. A group of semiconductor cooling plates and a group of fans are arranged in the protection casing body. A serpentine heat exchange tube is arranged on the surface of the conversion box. The power conversion device has the advantages of easy and labor-saving movement, flexible positioning and reliable fixation, is provided with water cooling and air cooling, and has a good damping effect. The conversion box is prevented from being damaged by bumping. The service life of the device is prolonged. The failure rate is reduced.

The invention relates to a ventilation anti-puncture working boot and belongs to the technical field of boots in daily life. The boot comprises a boot sole, a boot head, a boot upper and a boot tube. A steel cover is bonded to the inner wall of a rubber outer layer of the boot head. The steel cover is a gridding steel cover composed of three vertical ribs and three transverse ribs, the vertical ribs are arranged on the transverse ribs, and a first elastic rubber layer is bonded to the inner wall of the steel cover. The rubber outer layer, a waterproof layer, an anti-puncture middle layer, an insulation rubber inner layer and a lining layer are sequentially connected in a boning mode from bottom to top in the boot sole. The anti-puncture middle layer comprises two carat bulletproof fiber weaving layers, and a second elastic rubber layer is arranged between the two carat bulletproof fiber weaving layers. The boot sole further comprises a ventilation structure which comprises a fan with a protection cover, a power supply and a switch. The boot is anti-puncture, has the ventilation effect and is high in comfort due to the fact that the shoe head is light.

The invention discloses an inflatable-opening-closing type offshore lifesaving device which comprises a floating airbag, a lifesaving cabin and a sealing assembly. The floating airbag is arranged at the bottom of the lifesaving cabin, and an inlet is formed in the upper end of the lifesaving cabin; an annular mounting groove is formed in the inner side of the periphery of the upper end of the lifesaving cabin; the sealing assembly comprises a connecting plate, an inflating air pump and a clamping airbag; an air flowing channel is formed in the connecting plate, and the inflating air pump is arranged at the bottom of the connecting plate; the inflating air pump is communicated with the air flowing channel, and a connecting ring groove is formed in the periphery of the connecting plate and is communicated with the air flowing channel; and the clamping airbag is of an annular structure, the inner side of the clamping airbag is fixedly communicated with the outer side of the connecting ring groove, and the clamping airbag is clamped and installed in the annular installing groove at the upper end of the lifesaving cabin. The opening and closing mode is safe.

The invention relates to the technical field of air purification devices, in particular to an automatic air purification device used for a bus. The automatic air purification device used for the bus comprises a top cover at the top of the bus, multiple air purification units are arranged on the top cover, two power mechanisms are arranged on the left side and the right side of each impact ball, each power mechanism comprises corrugated pipes fixedly connected to the end portion of a shell, the motion direction of the corrugated pipes is arranged in the length direction of the corresponding shell, springs are arranged in the corrugated pipes, an air outflow one-way valve is arranged in each air outlet, each air outlet is connected with an exhaust pipe through a second guide pipe, each exhaust pipe is fixedly connected to the top of the top cover, an air inflow one-way valve is arranged in each air inlet, each air inlet is connected with an air inflow pipe through a first guide pipe, each air inflow pipe is fixedly connected to the bottom of the top cover, and an opening of each air inflow pipe is downward. Airflow in the bus flows more smoothly, the peculiar smell in the bus is removed, air in the bus is purified, passengers feel more comfortable, and the physical health of the passengers is guaranteed.

The invention relates to an automatic window closing device. The automatic window closing device comprises a shell, an inner partition plate, a first elastic piece, a telescopic rod, a limiting rod, aconnecting rod, a water-swelling device, a first fixing device and a second fixing device. The first elastic piece is located in the shell, one end of the first elastic piece is connected with the shell, the other end of the first elastic piece is connected with the telescopic rod, the other end of the telescopic rod is connected with the first fixing device, and a groove is formed in the telescopic rod. The inner partition plate is located in the middle of the interior of the shell and divides the internal space of the shell into an upper space and a lower space, and a hole is formed in themiddle of the inner partition plate. One end of the limiting rod is connected with the connecting rod, the other end of the limiting rod penetrates through the hole in the inner partition plate and ismatched with the groove, the limiting rod and the groove are matched to limit the length of the portion, extending out of the shell, of the telescopic rod, the connecting rod is connected with the water-swelling device, and a water leakage hole is formed in the upper side of the water-swelling device. The second fixing device is connected with the shell. The automatic window closing device is suitable for casement windows, automatic window closing of the casement windows can be achieved in rainy days, rainwater is prevented from entering a room, and the automatic window closing device is simple in structure, easy to install and easy and convenient to use and maintain.

The invention discloses a leakage-proof adsorbent frame and a GIS provided with the adsorbent frame. The leakage-proof adsorbent frame comprises a screen plate. The outer side or the inner side of the screen plate is provided with a leakage-proof net. The shape of the leakage-proof net is matched with the shape of the screen plate. The leakage-proof net is provided with leakage-proof holes, wherein the hole diameters of the leakage-proof holes are smaller than the diameters of screen holes in the screen plate. According to the technical scheme of the invention, the structure of the leakage-proof net is additionally arranged on the structural basis of an existing screen plate. The leakage-proof net is provided with leakage-proof holes and the hole diameters of the leakage-proof holes are relatively small. Therefore, the adsorbent leakage condition in the screen plate is greatly improved. Meanwhile, the permeability of the adsorbent frame is almost not influenced at all.

The invention discloses a tumor microvessel self-assembly generation system. The system comprises a tumor microsphere column and a pulsation system; the tumor microsphere column comprises a perfusion column and tumor microspheres located in the perfusion column, and the two ends of the perfusion column are each provided with a micropore filter membrane; the pulsation system comprises a peristaltic pump, a pulse piston pump, a rotating culture support, a liquid storage bottle, an oxygenator, a filter and a buffer bottle; the perfusion column, the liquid storage bottle, the oxygenator and the buffer bottle are sequentially communicated end to end to form a circulating channel. In the working process, the peristaltic pump is started to start to conduct perfusion, a fluid in the buffer bottle forms fluid circulating through a first pulse pipeline, when the pulse piston pump conducts extraction operation, more fluids can swarm into the perfusion column in a pulsed mode to form a pulsed fluid to pass through the perfusion column, then a pulsed fluid caused by cardiac impulse is simulated, and fluid flow and fluid shear force are applied to the tumor microspheres in the perfusion column; oxygen is supplied and carbon dioxide is removed by combining the oxygenator which simulates a lung air exchange device, and then occurrence of the tumor microvessels in a body is finally simulated.

The invention discloses a smart home combined wardrobe convenient to disassemble and assemble and a using method thereof. The invention relates to the wardrobe that specifically comprises an intelligent wardrobe body; two convex blocks are connected to the symmetrical positions of the upper edge and the lower edge of one side face of the intelligent wardrobe body through screws correspondingly. Symmetrical positions of the upper edge and the lower edge of one side surface of the intelligent wardrobe body are respectively connected with two concave seats through screws; a through hole is formedin the middle of the convex block and abuts against the concave seat, a hole groove A coaxial with the through hole is formed in the middle of the bottom face of the concave seat, a through hole coaxial with the hole groove A is formed in the top of the concave seat, an insertion column penetrates through the through hole in the concave seat and the through hole in the convex block, and the bottom end face of the insertion column abuts against the hole groove A. According to the invention, the two intelligent wardrobe bodies are disassembled and assembled, the steps of overhauling, maintaining and the like on the single intelligent wardrobe body in the later period are facilitated, and actual use is facilitated; and moisture in the wardrobe can be actively discharged, so that the storageeffect of the clothes is guaranteed.

The invention discloses an integrated evaporative cooling and aeration cooling system combined with a treadmill. The integrated evaporative cooling and aeration cooling system comprises a sliding packing type evaporative cooling unit, an air supply unit and a power supply unit which are connected with the treadmill, wherein the sliding packing type evaporative cooling unit is connected with the air supply unit and the power supply unit. According to the integrated evaporative cooling and aeration cooling system, the problems that thermal comfort is poor, the aeration cooling capability is poor and the treadmill mechanically generates heat when a body builder conducts bodybuilding on the treadmill are solved, and a good bodybuilding environment can be provided for the bodybuilder doing exercises on the treadmill.

The invention discloses a sewage treatment device which comprises a treatment pond. One side of the treatment pond is communicated with a feeding pipe, the side, away from the feeding pipe, of the treatment pond is communicated with a discharging pipe, the bottom of the inner side of the treatment pond is fixedly connected with a precipitation frame, and the outer side of the discharging pipe is provided with a filtering frame. The position, close to the filtering frame, of the outer portion of the discharging pipe is sleeved with a bearing, the side, away from the discharging pipe, of the filtering frame communicates with a discharging pipe, a separation device is installed in the filtering frame, a filtering device is installed on the inner wall of the filtering frame, and a clearing device is installed on the position, close to the filtering device, of the inner wall of the filtering frame. A motor is mounted outside the filtering frame. The invention relates to the technical field of sewage treatment. According to the sewage treatment device, the purpose of deeply filtering sewage is achieved, the contact area of the filter screen can be changed along with the size of water flow, and the sewage treatment efficiency is improved.

The invention discloses a workshop with a ventilation roof and relates to the technical field of workshops. The workshop with the ventilation roof comprises a house body and the roof, wherein the upper end of the house body is fixedly connected with the lower surface of the roof; the upper end of the roof communicates with a plurality of ventilation tubes; the side wall of each ventilation tube isembedded with a plurality of heat absorption plates in an encircling mode; the side walls, close to each other, of the plurality of heat absorption plates are fixedly connected with U-shaped heat conduction tubes; the side walls of the U-shaped heat conduction tubes are fixedly connected with a plurality of radiating fins arranged in an encircling mode; the upper end of each ventilation tube is fixedly connected with a support plate; the upper surface of each support plate is fixedly connected with a convex block; the upper surface of each convex block is provided with a receding hole; and the upper surface of each support plate is fixedly connected with a plurality of supports arranged in an encircling mode. According to the workshop with the ventilation roof, the heat absorption platesare arranged to be matched with the radiating fins, air in the ventilation tubes is heated by solar energy so as to flow upwards, air in the workshop is driven to circulate accordingly, and the purpose of ventilation for the workshop is achieved.

The invention discloses a greenhouse for planting fruits and vegetables, aiming to solve the problem of low ventilation efficiency of existing greenhouses for the fruits and vegetables. The greenhouse comprises a greenhouse framework with an arc-shaped top, four side faces of the greenhouse framework are coated with plastic films, the top of the greenhouse framework is coated with a breathable heat-insulating covering, the breathable heat-insulating covering is coated with a plastic film, and the plastic film on the breathable heat-insulating covering is provided with a winding device. The greenhouse has the advantages of simple structure and high ventilation efficiency.

The invention discloses a seedling cultivation greenhouse used for forestry planting. The greenhouse comprises a greenhouse main body, a greenhouse cover and a greenhouse body; the top of the inner left side of the greenhouse main body is provided with a water flow pipeline, and the water flow pipeline is fixedly connected with the greenhouse main body; the bottom of the water flow pipeline is provided with a main flow pipe, and the main flow pipe is fixedly connected with the water flow pipeline; and the tops of the left side and right side of the greenhouse body are separately provided withone groove, and the grooves are fixedly connected with the greenhouse body. According to the greenhouse disclosed by the invention, seedlings grown in the greenhouse need to perform photosynthesis ata certain period of time to promote growth of leaves, on sunny days, a user can utilize the grooves to push the greenhouse cover in parallel to retract the greenhouse cover into a placement layer, atthe time, sunlight comes into the greenhouse, so that sufficient illumination can be provided for the seedlings in the greenhouse, growth of the seedlings is promoted, and the purpose of ventilation can be achieved; and after the photosynthesis is completed, the user can pull out the greenhouse cover in the placement layer by hands, so that the practicality of the greenhouse main body is effectively improved.

The invention discloses a rotary and stable energy-dissipating type offshore lifesaving device which comprises a floating plate, a lifesaving cabin, a sealing assembly, rotating blades, a positioningring and rotating shafts. A plurality of lower semicircular grooves are formed in the upper end of the periphery of the floating plate, and a plurality of upper semicircular grooves are formed in thelower end of the positioning ring; the positioning ring fixedly covers the upper end of the periphery of the floating plate, and the upper semicircular grooves and the lower semicircular grooves are in butt joint to form circular cavities; an annular gap is formed between the edge of the lower end of the positioning ring and the edge of the upper end of the floating plate; the annular gap is communicated with the circular cavities, one ends of the rotating shafts are rotationally connected in the circular cavities, and the other ends of the rotating shafts extend out of the annular gap and then are fixed to the centers of the rotating blades. The conversion of the pushing force is realized, the overturning risk of the lifesaving cabin is effectively avoided, and the stable performance of the lifesaving cabin is improved.

The invention relates to a backrest of a vehicle seat, which consists of a backrest frame, a back board and a bubble plate. The conventional back board and a back sleeve are taken down and are not used. The back board is connected and fixed to the backrest frame. The back board is made of a transparent plastic material with toughness by die pressing casting. The bubble plate is adhered and fixed to the back board by an adhesive. The bubble plate is provided with a plurality of rows of bubbles with different sizes. The bubbles have an engorged tit shape so as to fulfill the aim of massaging back-shu points by vibration of a vehicle. The bubble plate is made of plastics with excellent elasticity so as to bring comfort to people and a headrest is also improved like the bubble plate. Therefore, the elastic backrest with transparent periphery and thicker middle part is made well.

The invention discloses an indoor ventilation system based on the Internet. The indoor ventilation system comprises a wall, a ventilation device and a wind gathering plate. A wind baffle and a wind power sensor are arranged on the outer side of the wall. The wind baffle is connected with the wall through the wind power sensor. A gear is arranged on the outer side of the ventilation device and fixedly connected with the ventilation device through welding, and the wind gathering plate is arranged on the right side of the ventilation device. A first air flue and a second air flue are arranged inthe ventilation device, a transverse plate is arranged between the first air flue and the second air flue, and a partition plate is arranged in the transverse plate. According to the indoor ventilation system based on the Internet, the outer side of the wall is provided with the wind power sensor, the wind power sensor obtains wind power data through the wind baffle, and accordingly rotation of amotor is controlled through the Internet; when the wind power reaches the third level, the wind power sensor drives the ventilation device to rotate through the Internet, accordingly, the wind gathering plate collects wind, the wind enters a room through the first air flue in the ventilation device, and accordingly the purpose of ventilation is achieved.

The invention discloses a high-stability building curtain wall with wind shielding and dust blocking effects. The high-stability building curtain wall comprises a wall plate mounting frame, a curtainwall plate, a reinforcing plate, a ventilation mechanism and a dustproof mechanism, wherein two hanging pieces are fixedly welded to the outer wall of one side plate of the wall plate mounting frame from top to bottom, and the reinforcing plate is vertically and fixedly connected between the two hanging pieces. The high-stability building curtain wall comprises the ventilation mechanism and the dustproof mechanism, when a plugging plate of the ventilation mechanism moves into a ventilation box mounting frame of the dustproof mechanism, the ventilation box mounting frame is plugged by the plugging plate at the moment, and external air cannot penetrate through the ventilation box mounting frame to enter a room, so that the wind shielding purpose is achieved; after the plugging plate slides from ventilation box mounting frame, indoor and outdoor air can be exchanged at the moment, so that the ventilation purpose is achieved; when the indoor and outdoor air is exchanged, dust in the outdoor air can be blocked and filtered by a dust filtering net in a dust filtering box, so that the cleanliness of air which enters the room is guaranteed; and the device has the advantages of the clever structure, functional diversity and convenience in use for buildings.

The invention discloses a friction-free jacket for nursing a patient suffering from breast cancer radiotherapy, belongs to the technical field of medical nursing, and aims to solve the problems that the existing nursing clothes after breast cancer radiotherapy are common hospital clothes, and when the patient moves, the jacket easily and directly rubs breasts, so that a radiotherapy part is rubbed, and wound recovery is not facilitated. Sleeves are integrally formed on the two sides of the clothes body, lifting mechanisms are installed on the sleeves, an inner cover is arranged in the clothes body, a folding layer is fixedly arranged on the clothes body, and the inner cover penetrates through the folding layer. The coat body is of a cardigan structure and convenient to wear, the inner cover is fixed by penetrating through the folding layer after being worn through the cardigan front portion, the breasts are wrapped and protected through the inner cover, the situation that the coat body rubs the breasts during movement is avoided, after the coat body is worn, the arms and palms of a patient can be lifted and supported through the lifting mechanisms, and therefore edema recovery is facilitated.

The invention discloses a multi-layer spliced drawing type comprehensive power distribution cabinet that comprises a bottom cabinet, storage plates, second rolling wheels, a bearing frame and a bearing plate; a movable column is connected to the lower end surface of the bottom cabinet in a clamping manner; a bearing box is fixed at the inner bottom of the bottom cabinet; first fans are arranged onthe left side, the right side and the rear side of the bottom cabinet; splicing frames are connected through second bolts, the splicing frames and the bottom cabinet are connected through second bolts, and the splicing frames and a top cabinet are connected through second bolts. The left side and the right side of the storage plate and the second rolling wheels are arranged in sliding grooves, fixing blocks are fixed to the upper end face of the storage plate, mounting holes are formed in the upper end face of the storage plate, a through hole is formed in the top of the top cabinet, and a clamping groove is formed in the bearing plate. According to the multi-layer spliced drawing type comprehensive power distribution cabinet, the corresponding number of splicing frames can be installed between the bottom cabinet and the top cabinet according to specific requirements, and the splicing frames can be fixed by screwing down the second bolts, so that subsequent installation and use of thestorage plates are facilitated.