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258results about How to "Improve ventilation effect" patented technology
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Metal 3d printer
ActiveCN106346003AEasy to excludeEasy dischargeAdditive manufacturing apparatusIncreasing energy efficiency3d printerIrradiation
Owner:SODICK CO LTD
Planting box device
ActiveUS20150201563A1Simple structureReasonable designFlower tablesCultivating equipmentsModularityEngineering
The present invention provides a planting box device composed of at least a modular frame, which further comprises a frame set, a connecting rod group, wherein the frame set includes a first frame and a second frame; the first frame has a bearing plate, four corners of which are positioned by first openings and first posts and which also forms a plurality of positioning openings; the second frame having a sink forms second openings and second posts on its four corners, wherein the second posts are accommodated with the first openings in size and the sink has an inlet and an outlet; the connecting rod group comprises a plurality of connecting rods, each of which has rod openings and rod posts, so that the composition of the planting box device described above has function of structural expansion in horizontal and vertical direction and thus provides convenience in assembly and disassembly.
Owner:CHIANG YI CHENG +1
Geothermal greenhouse
InactiveCN102939870AImprove ventilation effectWarming up fastClimate change adaptationGreenhouse cultivationGreenhouseUnderwater
The invention belongs to the technical field of greenhouses and relates to a greenhouse utilizing heat of underwater to achieve heat preservation, in particular to a geothermal greenhouse. The geothermal greenhouse comprises a closed heat-preservation greenhouse body which adopts a combined frame structure. A wall body on one side of the greenhouse is a water curtain radiation wall which comprises a wall foundation and geothermal water curtain radiators, a wall body opposite to the water curtain radiation wall is a fan wall where a plurality of fans are arranged side by side, and the ground of the greenhouse adopts a floor heating system with built-in radiation pipes. The geothermal greenhouse fully utilizes heat of the underwater, is high in heat exchange efficiency, achieves environment-friendly and pollution-free heating, and has excellent environment-friendly effect.
Owner:JINAN XIANGCUN LYUZHOU AGRI SCI & TECH DEV
Air conditioning shoe
The invention discloses an air conditioning shoe, and belongs to the technical field of shoe making. The air conditioning shoe comprises a vamp and a sole, wherein the sole comprises an outer sole and an inner sole; the inner sole is provided with inner sole air inlet holes and inner sole air outlet holes; and elastic support plates and an air channel communicated with the air outlet holes are arranged between the outer sole and the inner sole. The air conditioning shoe is characterized in that: a series connection piece and an elastic pump barrel are arranged between the outer sole and the inner sole on the heel; and the lower lateral surface of the series connection piece is connected with curved elastic support plates, while the upper lateral surface is connected with the periphery of the elastic pump barrel. Compared with the prior art, the air conditioning shoe has the prominent substantive characteristics of having reasonable design, outstanding structural characteristics, largeair circulating quantity, and smooth air without blockage, relieving the fatigue of sole surface and impact injury of the heel, having the effect of bouncing to assist walking, and promoting body building by utilizing health-care functions of magnetic therapy, far infrared and negative ions.
Owner:董凤立
Air extracting device for electroplating equipment
InactiveCN101967671AAvoid distributingAvoid affecting the ventilation effectCellsCurrent limitingEngineering
The invention discloses an air extracting device for electroplating equipment. The air extracting device is assembled on an electroplating bath of the electroplating equipment and comprises an air extracting cap, a fan and a main air extracting branch pipe connected between the air extracting cap and the fan, wherein the main air extracting branch pipe is connected with the fan in a slope form; the air extracting cap comprises an air extracting pipe; auxiliary current limiting plates extend from the air outlet end of the air extracting pipe towards both sides; a flow guide plate is arranged inside the air outlet end of the air extracting pipe; the side wall of the air extracting pipe is provided with a plurality of elliptical air extracting bar apertures; and the total sectional area of the air extracting bar apertures is equal to the sectional area of the air extracting pipe. The main air extracting branch pipe of the air extracting device for the electroplating equipment is connected with the air extracting cap in the slope form, so that the influence of the accumulation of cooling water in the main air extracting branch pipe on the air extracting effect is eliminated; and the air outlet of the air extracting pipe is provided with the auxiliary current limiting plates, so that the dissipation of waste gas in the electroplating bath can be prevented effectively and the waste gas can be extracted rapidly. The air extracting device has a simple structure, is easy to implement, has good air extracting effect and saves cost.
Owner:无锡出新环保设备有限公司
Conveniently-cleaned exhaust fan
InactiveCN106704224AClean thoroughlyAchieve cleanupPump componentsPump installationsDrive shaftEngineering
Owner:CHONGQING RUNYUE MACHINERY CO LTD
Vehicular air-conditioning device
InactiveCN106715173AEfficient dischargeImprove ventilation effectAir-treating devicesVehicle heating/cooling devicesPre conditioningOperation mode
This vehicular air-conditioning device is capable of executing pre-conditioning for initiating air-conditioning in a passenger compartment before an occupant enters the vehicle and is provided with a pre-conditioning control part (218). The pre-conditioning control part is capable of setting: a pre-conditioning blowing operation mode wherein a blower (130) is operated while operation of a compressor (141) is prohibited, the introduction mode is set to an outside air introduction mode, the output of the blower (130) is set to maximum, and furthermore a face-foot mode is set as the blowing mode; and a pre-conditioning operation mode wherein the blower (130) and compressor (141) are operated, and the blower (130), compressor (141), introduction mode, and blowing mode are automatically set in accordance with a target blowing temperature (TAO). When executing pre-conditioning, the vehicular air-conditioning device executes the pre-conditioning blowing operation mode before executing the pre-conditioning operation mode and starts executing the pre-conditioning operation mode on the basis of the difference between the inside temperature (Tr) in the passenger compartment and the ambient temperature (Tam) outside the vehicle and / or the rate of change in the difference.
Owner:DENSO CORP
Building material air detection system
ActiveCN111239336AGood air supplyGood ventilation effectDispersed particle filtrationTransportation and packagingEnvironmental engineeringMechanical engineering
The invention belongs to the technical field of air detection equipment, particularly relates to a building material air detection system, and aims at the problem that the service life of the existingair detection equipment is shortened or the air detection effect is affected due to the fact that pollutants such as chippings and dust in household building materials are sucked in easily is solved.The following scheme is proposed: the building material air detection system comprises a shell and an air detector, a box door is arranged on the front side of the shell; an air inlet pipe is arranged on one side of the shell; an air outlet pipe is arranged on the side, away from the air inlet pipe, of the shell. A plurality of pulleys are arranged at the bottom of the shell; a display screen isfixedly mounted on the front side of the shell; the display screen is matched with the air detector. According to the building material air detection system, pollutants such as chippings and dust in household building materials are intercepted by arranging the filter screen, the pollutants are cleaned by arranging the brush, the pollutants can be taken out after the equipment is opened, the equipment sucks and supplies air through air pressure through cooperation of the piston, the sliding plate and other structures, and the air suction and supply effect of the equipment is good.
Owner:徐州大成环境科技有限公司
Ventilation control panel for kitchen integration suspended ceiling
ActiveCN104034002AImprove ventilation effectThe effect is positive and obviousDomestic stoves or rangesLighting and heating apparatusKitchen ventilationEngineering
A ventilation control panel for a kitchen integration suspended ceiling comprises a support panel, wherein a wind direction control mechanism is arranged on the upper side of the support panel and comprises a swing blade group, the swing blade group is located above a ventilation window in the support panel, a movable door plate is arranged between the swing blade group and the ventilation window and covers the ventilation window, the movable door plate is connected with a drive mechanism which is fixedly connected with the upper side of the support panel, the support panel is arranged in the plane of the kitchen suspended ceiling, and the upper side surface of the support panel is connected with a connection cover of an air supply duct end opening. When air needs conveying, a door plate drive motor drives the movable door plate to open the ventilation window. When air supply angles need changing, an output shaft of a swing blade drive motor drives blades to swing through a crankshaft and a swing blade drive arm, and the blades can stay at any swing position. The ventilation control panel is capable of controlling opening and closing of an air outlet, air outlet directions can be changed as desired, the ventilation control panel is convenient to use, and kitchen ventilation effects are improved.
Owner:上海龙胜实业有限公司
Intake and Exhaust Method and A Structure Utilizing the Same
InactiveUS20120302151A1Improve ventilation effectIncrease ratingsLighting and heating apparatusSpace heating and ventilation detailsAerospace engineering
An intake and exhaust structure includes an outer duct, an inner duct and an air-guiding cover. The outer duct has a first end and a second end. The inner duct has a first end, a second end and an intake air channel. The inner duct is disposed in the outer duct, and a circular air channel is defined between the inner and outer ducts. The air-guiding cover has an inner wall and an air inlet at two ends thereof, wherein the inner wall is coupled with the second end of the inner duct.
Owner:NAT PINGTUNG UNIV OF SCI & TECH
Damping breathing shoes
InactiveCN105595514ARealize the ventilation functionPlay a sealing effectSolesEngineeringUltimate tensile strength
The invention provides a pair of damping breathing shoes. Each damping breathing shoe comprises a sole, a midsole and an upper, wherein an air valve mounting hole is formed at the heel position of the sole; a one-way air outlet valve is arranged on the air valve mounting hole; a foot bind is arranged on the sole; the midsole covers the foot bind and is in sealing fit with the foot bind; up-down vent holes are formed in the forefoot of the midsole; one end of the air valve mounting hole is led to an air cavity formed by the midsole and the sole while the other end is led to the outside space; a damping breathing ball is arranged upward at the heel of the sole; the damping breathing ball is of a hollow structure, and a round opening is formed at the upper end; the diameter of the opening is (1 / 4)-(2 / 3) of the diameter of the horizontal section circle of the damping breathing ball; and the damping breathing ball and the sole are integrally formed by the same material. The pair of damping breathing shoes has the characteristics of simple structure, high strength, long effective service life and good damping breathing effect.
Owner:郑月平
Range hood
InactiveCN103851665AImprove the ventilation effectNoise controlDomestic stoves or rangesLighting and heating apparatusMotor driveSmoke
The invention discloses a range hood, comprising a first motor, an oil smoke purification filter screen and a fan, wherein the oil smoke purification filter screen is connected with the first motor through a first connecting shaft, the middle part of the fan is provided with a fan center hole, and the first connecting shaft passes through the fan center hole and is then connected with the oil smoke purification filter screen. Since the connecting shaft connected with the oil smoke purification filter screen is provided with the fan, the motor drives the fan to rotate during working of the range hood, so ventilation effects are effectively improved while noise is controlled; the range hood is an environment-friendly range hood.
Owner:武汉力诺王力科技有限公司
Air conditioner outdoor unit
ActiveCN104033964AReduce energy consumptionReduce noiseLighting and heating apparatusAir conditioning systemsEngineeringHeat exchanger
The invention provides an air conditioner outdoor unit. The air conditioner outdoor unit comprises a casing, a heat exchanger and a bladeless fan module, wherein an air inlet and an air outlet are formed on the casing; the heat exchanger is arranged in the casing, and the bladeless fan module is arranged in the casing. Under a working state, air flow generated by the bladeless fan module passes through the heat exchanger. Due to the fact that the bladeless fan module can achieve circulating flow between outside air and air in the casing, a traditional blade heat exchange fan does not need to be installed on the air conditioner outdoor unit, the air conditioner outdoor unit can reduce running noise and structure size, and potential safety hazards caused by external high-speed rotating blades are avoided.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Experimental teaching equipment with gas exchange function
InactiveCN105289788AImprove ventilation effectExperimental safetyLaboratory benches/tablesChemical storageWastewater
The invention discloses experimental teaching equipment with a gas exchange function. The experimental teaching equipment comprises an equipment main body, wherein a corrosion-resistant top plate is arranged at the upper end of the equipment main body; a heat-insulating plate is arranged on the corrosion-resistant top plate; an object placing disk and a water tank are arranged at the two ends of the heat-insulating plate respectively; a tap is arranged on the side face of the water tank; a gas exchange device is arranged at the upper end of the corrosion-resistant top plate; an object collection cabinet, a chemical storage cabinet and a waste water collecting chamber are arranged at the lower end of the equipment main body; the object collection cabinet comprises a pulling cabinet; a test tube frame, hooks and a collecting tank are arranged inside the pulling cabinet; the chemical storage cabinet comprises sealed pulling cabinets and a refrigeration box; the waste water collecting chamber comprises an opening and closing door; a cavity is arranged in the equipment main body inside the opening and closing door; a wastewater collecting tank is arranged inside the cavity; the equipment main body is provided with corrosion-resistant transparent glass plates; the upper ends of the corrosion-resistant transparent glass plates are movably connected with the equipment main body through rotating shafts; the corrosion-resistant transparent glass plates are provided with buckles. The experimental teaching equipment is comprehensive in function, convenient and safe to use, and good in gas exchange effect.
Owner:SICHUAN DONGSHAN TEACHING AID
Table-shaped lampblack mist purifier
ActiveCN103047701AWide applicabilityUniform layoutDomestic stoves or rangesLighting and heating apparatusOil waterCentrifugal fan
The invention relates to a table-shaped lampblack mist purifier which comprises a table surface, an annular air suction chamber, an electric heating oven, an air inlet of the electric heating oven, a centrifugal fan, a drain pipe, a water pump spray pipe, an oil suction air inlet pipe, a water tank, an oil-water separation chamber and a water pump, wherein the annular air suction chamber is shaped as a cover and is just above the electric heating oven; the air inlet of the electric heating oven at the lower part of the electric heating oven is at the lower part of the annular air suction chamber; the air inlet of the electric heating oven is connected to the centrifugal fan at the lower part of the electric heating oven; the air outlet of the centrifugal fan is discharged through the oil suction air inlet pipe; uniformly distributed air holes of the air suction chamber are formed in the annular air suction chamber shaped as the cover along the circumference; and the oil suction air inlet pipe is communicated with the annular air suction chamber shaped as the cover. The table-shaped lampblack mist purifier disclosed by the invention is wider in application and uniform in arrangement; air suction holes are arranged nearby, so that an air suction path is short; particularly, the table-shaped lampblack mist purifier is clean and complete for eliminating lampblack, small in volume and high in efficiency and is capable of recycling waste oil; the table-shaped lampblack mist purifier is easy to be designed to be mute; dinner environmental requirements of hot pots, barbecues or griddles are satisfied; and furthermore, lampblack can be recycled.
Owner:无锡华美板业有限公司
Plant ventilation and power generation system
InactiveCN106152360APumping to achieveEfficient use ofLighting and heating apparatusPV power plantsAir pumpSolar cell
A plant ventilation and power generation system comprises a plant roof (1). A top exhaust port (2) is formed in the top of the plant roof (1). The plant ventilation and power generation system is characterized in that a wind power air extractor is arranged on the top exhaust port (2), the lower end of the wind power air extractor is connected with the upper end of an air pumping pipeline (5), the air pumping pipeline (5) is arranged along the inner side and the inner wall of the plant roof (1), air inlets (3) are formed in the lower end and the side wall of the air pumping pipeline (5), and solar cell panels (10) are arranged on the outer surface of the plant roof (1) and connected with storage batteries (12) through conversion modules (11). The plant ventilation and power generation system is novel in structure, wind energy is effectively utilized for air pumping, updating of air in a plant is achieved, the air exchange effect is good, and the wind energy and solar energy can be effectively utilized. Compared with traditional electric air exchange equipment, energy is saved, noise during work is greatly lowered, and the plant ventilation and power generation system is particularly suitable for being used in large industrial plants.
Owner:江常杰
Electronic atomization device and atomizer thereof and atomization assembly
The invention relates to an electronic atomization device and an atomizer thereof and an atomization assembly. The atomization assembly comprises a composite liquid absorption structure and a heatingbody, and the composite liquid absorption structure comprises a hard first liquid absorption body and a soft second liquid absorption body combined with the first liquid absorption body. The heating body comprises a heating part, and at least part of the heating part is embedded in the composite liquid absorption structure in the width direction and makes contact with the second liquid absorptionbody and the first liquid absorption body. According to the atomization assembly, at least part of the heating part of the heating body is embedded in the composite liquid absorption structure in thewidth direction and makes contact with the second liquid absorption body and the first liquid absorption body, so that the contact area between the heating part of the sheet-shaped heating body and the tobacco juice can be increased, dry burning is prevented, energy waste is reduced, scorch odor is avoided, the liquid locking effect and the air exchange effect can be improved, and the user experience is improved.
Owner:SHENZHEN SMOORE TECH LTD
Fresh wind device used for integrated kitchen ceiling
ActiveCN104033984APrevent backflowPrevent accidental entryDomestic stoves or rangesLighting and heating apparatusEngineeringDropped ceiling
The invention discloses a fresh wind device used for an integrated kitchen ceiling. The fresh wind device used for the integrated kitchen ceiling comprises a draught fan, a ventilating pipeline and a wind discharging panel, wherein a wind outlet is formed in the wind discharging panel; one end of the ventilating pipeline is connected with the wind discharging panel; the output end of the draught fan is communicated with the wind outlet through the ventilating pipeline; the draught fan is fixedly arranged in a draught fan installment seat; a roof fixing piece is arranged on the draught fan installment seat. A movable door plate is arranged on the upper side of the wind discharging panel and covers the wind outlet; a wind direction control mechanism is arranged on the upper side of the movable door plate. The wind discharging panel is arranged in the plane of the kitchen ceiling, and the draught fan installment seat is fixedly connected to the roof ceiling. When the draught fan works, vibration is transmitted to the roof ceiling, and therefore noise is reduced. After the draught fan is stopped being used, the movable door plate is closed, gas in a kitchen can be prevented from inversely flowing outdoors, and tiny organisms outside are prevented from invading, and outdoor air is prevented from unexpectedly entering a room. Swinging blades swing and can stop at any swinging positions. The fresh wind device used for the integrated kitchen ceiling can improve fresh wind air flow distribution and improve ventilating effect.
Owner:上海龙胜实业有限公司
Novel greenhouse
InactiveCN104686246AImprove ventilation effectIncrease temperatureClimate change adaptationGreenhouse cultivationWater circulationEngineering
The invention provides a novel greenhouse. The greenhouse comprises an arch frame, an greenhouse body and ground, wherein the arch frame comprises a main girder and a plurality of arch bars; the main girder is arranged along the length direction of the greenhouse; the arch rods are arranged along the width direction of the greenhouse at an equal distance; the arch frame is provided with a thin film which is provided with a film roller; a sunshade net is arranged above the thin film and is provided with a net roller; the greenhouse body comprises an air fan wall and three heat-preserving walls; a plurality of air fans are arranged on the air fan wall; a heat-preserving windproof shed is built at one side of the air fan wall; the heat-preserving walls comprise central plate layers; the upper and lower layers of the central plate layers are heat-preserving layers; underground water circulation pipelines are arranged under the ground; and a plurality of valves for controlling ground-heating water flow are arranged on the underground water circulation pipelines. The novel greenhouse provided by the invention strengthens heat-dissipation, ventilation and rainproof effects and can adjust light intensity at any time according to weather conditions and crop growth needs; and since each water circulation pipeline is controlled by a valve, ground temperature of part of the ground can be adjusted to meet needs of different plants.
Owner:天津润东蔬菜种植专业合作社
Ceiling-type air purification device
InactiveCN104214841AQuick purificationImprove ventilation effectDucting arrangementsLighting and heating apparatusPublic placeAir safety
The invention provides a ceiling-type air purification device which comprises a shell, wherein an installation limit edge is formed at the exterior of the shell; a panel is arranged below the installation limit edge; the outer side of the panel is provided with an air outlet; the shell is internally provided with an ion generator. The ceiling-type air purification device is characterized in that the middle of the panel is provided with a circulating air inlet; the circulating air inlet and the air outlet form a circulating air duct; the ion generator is arranged in a front channel of the air outlet, so as to ensure that ions can be blown out; the shell is internally provided with an underdraught air duct; the outlet of the underdraught air duct is communicated with the air outlet; the underdraught air inlet of the underdraught air duct is formed at the tail end of the shell. The ion purification device can be used for realizing rapid purification treatment. Compared with existing circulating air purification, the ion purification device has the advantages of better effect and wide application range. When being applied to the public, the ion purification device is capable of ensuring the air safety of public places and coping with emergent air pollution events.
Owner:WUXI PURELIFE HEALTHY TECH
Large-span strut-free energy-saving sunlight greenhouse
PendingCN107018820AStrong heat preservation and anti-aging abilityExtended service lifeClimate change adaptationSaving energy measuresRough surfaceFree energies
The invention discloses a large-span strut-free energy-saving sunlight greenhouse which comprises a roof frame formed by connecting a plurality of arc-shaped arched beams through a plurality of transverse pull rods, wherein a heat preservation film-coated felt with an upward rough surface is arranged at the upper part of the roof frame; a wrapping film-coated felt is arranged on the heat preservation film-coated felt in a manner that the rough surface of the wrapping film-coated felt is downward; a forwards unfolded front slope heat preservation quilt and a backwards unfolded rear slope heat preservation quilt are arranged on the wrapping film-coated felt; greenhouse films are mounted on two sides of the heat preservation film-coated felt at the upper part of the roof frame through transverse clamping slots and longitudinal film clamping slots; and insect-proof nets and air discharging films are arranged at the front and rear lower parts of the roof frame. The large-span strut-free energy-saving sunlight greenhouse is reasonable in structure, high in heat preservation property and high in ventilating speed, and the heat preservation quilt is difficult to weather and long in service life.
Owner:王清祥
Window air conditioning device
InactiveCN1693785ASmooth ventilationSave on installation costsVentilation arrangementAir-flow control membersInterior spaceEngineering
The invention discloses a window type air conditioning device that includes indoor window, outdoor window, frame, fan and filter. The indoor window and the outdoor window are set at the two sides of the wall and can be freely to open or close. The frame could support outdoor window and indoor window or one of them. The fan is located in the frame and sucks air into the frame. The filter filtrate the pollution material that the fan sucked. The invention could ventilate air of the building fluently, and decrease the cost. It improves the use rate of the room space.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
Vegetable greenhouse
InactiveCN103988732AAvoid affecting temperatureImprove insulation effectClimate change adaptationGreenhouse cultivationGreenhouseEngineering
The invention relates to a vegetable greenhouse which comprises walls and supports. The walls comprise the left wall, the right wall and the rear wall, the supports are in an arc shape, a light-transmitting film covers the outer sides of the supports, the inner sides of the walls are covered with wall heat preservation quilts covering the walls respectively, the light-transmitting film is covered with a heat preservation quilt, the heat preservation quilt comprises a composite foam layer and a waterproof heat preservation layer, and the heat preservation quilt is connected with a curtain rolling machine. The greenhouse is good in heat preservation effect in winter and at night, no heat source needs to be additionally arranged in the greenhouse, and partition irrigation and selective irrigation are facilitated.
Owner:JIANGSU ZHONGFANG FARMING
Modularized high-power pulse discharge welding device
ActiveCN113369738AAchieving Metallurgical Grade BondingAchieve modularityWelding/cutting auxillary devicesAuxillary welding devicesCapacitanceTrigatron
The invention discloses a modularized high-power pulse discharge welding device, and relates to the technical field of high-power pulse discharge welding. The modularized high-power pulse discharge welding device comprises a power box, an electricity storage box arranged on one side of the power box, and a welding platform arranged on one side of the electricity storage box; and the power box, the electricity storage box and the welding platform are respectively provided with a power supply and control module, an electricity storage-discharging module and an operation platform module, the power supply and control module comprises a control system assembly, a trigger source and a high-voltage power supply, and the electricity storage-discharging module comprises a plurality of energy storage capacitors, a discharging switch and a charging switch. In the modularized high-power pulse discharge welding device, the control system assembly controls the charging switch to be switched on and switched off, so that the high-voltage power supply charges the energy storage capacitors, when the preset amplitude is reached, charging is stopped, the control system assembly sends a control signal to the trigger source, a multi-rod-electrode vacuum trigger tube is triggered, energy of the energy storage capacitors is released into a welding coil, large pulse current is formed, and welding is achieved.
Owner:CHONGQING UNIV
A deformable range hood
InactiveCN102269438ASimple structureBeautiful appearanceDomestic stoves or rangesLighting and heating apparatusActivity levelEngineering
A deformable range hood is composed of a bellows device and a movable hood up and down. By placing the movable hood horizontally or tilting backwards, different combination states are formed between the bellows device to realize European-style combination and near-suction type. Combined range hood unit. The invention is a deformable range hood which has both a European-style simple appearance and a near-suction practical performance, and can further meet the aesthetic and performance requirements of the majority of families for modern household appliances.
Owner:陆丰科
Fresh air ventilation device and full-automatic and intelligent ventilation equipment
InactiveCN107192081AReduce ventilation dead angleImprove ventilation effectMechanical apparatusSpace heating and ventilation safety systemsFresh airAgricultural engineering
The invention provides a fresh air ventilation device and relates to the technical field of air purification. The fresh air ventilation device comprises a casing, fresh air ports, exhaust ports, an external connection port, a first fan and a second fan; the fresh air ports, the exhaust ports and the external connection port are formed in the side walls of the casing; the first fan and the second fan are arranged in the casing; the fresh air ports communicate with the first fan through the external connection port; and the exhaust ports communicate with the external connection port through the second fan. The fresh air ventilation device has the independent exhaust mode, so that the problem of air flow short-circuiting of a bidirectional flow pipeline-free fresh air ventilator is avoided; besides, the first fan and the second fan which are independent of each other are adopted, the fresh air pressure and the exhaust pressure are adjusted according to the actual requirements, and the ventilation efficiency of the device is improved; besides, with the single external connection port, the perforating number in a wall is reduced, the device is simple and convenient to mount, and meanwhile, the potential safety hazards to the wall due to perforation are reduced. On the basis, the invention further provides full-automatic and intelligent ventilation equipment.
Owner:BEIJING ORIGIN WATER FILM TECH
Ventilation device with rapid gas exchange function for mobile toilet
InactiveCN111397072AImprove ventilation effectEasy to filter and absorbMechanical apparatusLighting and heating apparatusAir changeFresh air
The invention provides a ventilation device with a rapid gas exchange function for a mobile toilet. A toilet body is involved, the top of the toilet body is fixedly connected with a top plate, the left side of the front face of the toilet body is movably connected with a movable door through a hinge, and the top of the right side of the toilet body is fixedly connected with a fixed box. Through the cooperation of an air suction mechanism, a purification mechanism and a first air pump, a user can conveniently mix fresh air and turbid gas to reduce the concentration of the turbid gas, then a filter cotton plate, an activated carbon filter screen and an HEPA filter screen quickly filter and adsorb dust and harmful gas in the diluted turbid gas, and at the moment, the first air pump quickly transmits the purified gas back to the toilet body, so that a user can rapidly replace turbid gas in the toilet body, and the problems that a traditional ventilation device for the mobile toilet cannotrapidly exchange gas and cannot purify the replaced turbid gas are solved.
Owner:CLEAR SUZHOU ENVIRONMENTAL TECH CO LTD
Shock absorption air changing mattress cushion
InactiveCN101077260AEasy to replaceExtended service lifeStuffed mattressesSpring mattressesAir changeEngineering
The present invention discloses one kind of damping and scavenging mattress and cushion, each of which includes one upper cushion body, one lower cushion body, one outer cover and one inner cover set between the upper cushion body and the lower cushion body, elastic pieces supporting the outer cover and the inner cover, and locating blocks for locating the elastic pieces inside the outer cover and the inner cover. The elastic piece has at least one inner spring set coaxially with the outer cover and the inner cover; and the outer cover or the inner cover is provided with scavenge ports and non-return leaf valves inside the scavenge ports. The damping and scavenging mattress and cushion have easy assembling and disassembling, adjustable bearing force and good damping and scavenging effect.
Owner:许景贤
Large-scale frozen roadbed cooling structure capable of strengthening convective cooling efficiency of rock blocks
The invention relates to a large-scale frozen roadbed cooling structure capable of strengthening the convective cooling efficiency of rock blocks. After a roadbed of an expressway is broadened, the heat-absorbing surface is enlarged to absorb more heat. In order to keep the heat stability of the roadbed body, more cooling capacity is needed to maintain balance and cool the roadbed. The large-scale frozen roadbed cooling structure provided by the invention comprises a transverse ventilating plate which is arranged in the direction of the cross section of the roadbed, wherein a plurality of transverse ventilating holes are formed in the transverse ventilating plate; an upper gravel cushion layer, a rock block layer and a lower gravel cushion layer are sequentially arranged below the transverse ventilating plate, common filling is arranged above the transverse ventilating plate; the transverse ventilating plate is internally provided with a transverse stressed reinforcing steel bar and a vertical stirrup. The large-scale frozen roadbed cooling structure provided by the invention is simple in structure, low in cost and economical and practical, and can be used for decreasing the temperature of the top of the rock block layer for a long time so as to cause the heat convection effect of upper and lower layers of the rock block layer and further cooling the roadbed.
Owner:CCCC FIRST HIGHWAY CONSULTANTS
Axial flow fan with adjustable blades
ActiveCN109931274AImprove ventilation effectImprove blowing effectPump componentsPump controlAir volumeEngineering
The invention provides an axial flow fan with adjustable blades. The axial flow fan comprises a shell, a motor and a spline, wherein the motor is fixedly connected to the center of the inner side of the shell, and electric push rods are fixedly connected to the left side and the right side of an central axis of the shell; eight blade seats are hinged on the left end surface and the right end surface of the motor in an array distribution manner at the periphery; adjusting supporting seats are axially connected to the inner sides of sliding supporting shafts, and eight blade swinging connectingrods are connected to the peripheries of the outer circle surfaces of the adjusting supporting seats in an array and hinged mode; and the blade swinging connecting rods and the blade seats are connected together in a hinged mode, and blades and the adjusting supporting seats are connected together through blade rotating connecting rods. According to the fan, the installation angle and the inclination angle of the blades are adjusted at the same time, the adjustment range of the air pressure and the adjustment range of the air volume are wider, the adjusting capacity is stronger, meanwhile, adjusting operation is simple and convenient, the fan can adapt to different environment requirements, and higher adaptability is achieved.
Owner:臻友重工(江苏)有限公司
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