223 results about "Room air cleaners" patented technology

The invention discloses an indoor air purifier which comprises a tank, a base and a filter mechanism. Keys are mounted on the tank and the tank is mounted on the base. An air inlet is formed in the bottom of the tank, and an air outlet is formed in the top of the tank. A backwards-inclined centrifugal fan is arranged on the top of the tank, located over the filtering mechanism, and electrically connected with a power supply circuit of the whole purifier. The filter mechanism is arranged in an inner cavity of the tank and is of a cylindrical structure. The filter mechanism comprises a first aluminium alloy filter screen, a first sterilization cloth layer, an activated carbon layer, a second sterilization cloth layer, an high efficiency particulate air filter (HEPA) layer, a photocatalyst filter layer and a second aluminium alloy filter screen. The bottom of the filter mechanism is sealed, an annular air flue is formed between the outer wall of the filter mechanism and the inner wall of the tank and communicated with the air inlet, and an inner cavity of the filter mechanism is communicated with the air outlet. Through layered filtering and purifying effects of the filter mechanism, indoor air is effectively purified and exhausted out of the air outlet finally.

An electrostatic room air cleaner includes a housing having a given profile and a plurality of electrostatic precipitation collector units arrayed in the housing with a common fan to circulate room air through the plurality of electrostatic precipitation collector units simultaneously. A total clean air delivery rate is delivered that is determined as the arithmetic sum of the clean air delivery rates of the plurality of electrostatic precipitation collector units arrayed in the housing of given profile. The greater the number of units arrayed, the smaller may be their size, and the easier they are to handle, maintain and replace.

A room air purifier is provided is provided that has a housing that defines a floor supply duct inlet, a room air inlet, and an outlet. An air mixing chamber within the housing is in direct communication with said room air inlet and said floor supply duct inlet. A filter is disposed in the housing. A fan is disposed in said housing between the outlet of the filter and the outlet side of the filter. An air channel panel is disposed in a filter inlet area between the air mixing chamber and the filter. Various sensors may be deployed to control temperature, and to prevent unpurified air from exiting the room air purifier. Optionally, an additional wall supply inlet may be placed in fluid communication with the air mixing chamber to provide a second extra-room source of air.

Systems and methods are provided for an air purifier with over pressurization relief, including the following components. A room air inlet is configured to fluidly receive air from a room. A supply duct inlet is configured to fluidly receive air from a forced air system. An air filter and or air purification means is configured to filter / purify air. An outlet is configured to expel filtered / treated air into the room. A bypass damper system has at least one air filtering mode position and a bypass mode position. A pressure control mechanism is configured to automatically allow the bypass damper system to move from at least one air filtering mode position to a bypass mode position when the air received from the supply duct inlet exceeds a bypass threshold. The bypass mode position guides air from the supply duct inlet into the room without requiring passage through the filter and the outlet.

The invention relates to an air purifier for membrane separation. The purifier is an indoor air purifier integrated with the membrane filtering technology, the nanometer catalysis technology and the active carbon absorption technology. The air purifier comprises a shell, an air inlet and an air outlet arranged at the two ends of the shell. The air purifier is characterized in that the shell comprises a fan, a pre-filter net, a purifying chamber containing a separating membrane component, a dust collecting chamber and an active carbon net which are sequentially arranged; the dust collecting chamber is arranged at the bottom of the separating membrane component; the separated membrane for the air purifier has a catalytic function and removes volatile organic compound such as indoor benzene and formaldehyde when PM2.5 and germ are removed. The air purifier for membrane separation integrates a plurality of functions, is simple in structure, can continuously run and can be used for indoor air purification of families, hospitals and pharmaceutical factories.

The present invention is generally directed to devices useful in insuring the proper installation of a high efficiency particulate air (“HEPA”) filter into a room air purifier. In accordance with one aspect of the present invention, a magnetic interlock device is provided wherein the filter must be properly installed within the air purifier to enable closure of an electrical switch (74) within the air purifier, thereby completing an electrical circuit and permitting the air purifier motor and fan (20) to operate or to provide an audible or visual signal provided by electrically acuated means indicating incorrect placement of the filter within the device. In a second aspect of the invention, the air purifier is designed to create an audible signal to alert a user if the air purifier is operated without an air filter or if the air filter is improperly installed in the air purifier.

A system for conditioning air in a building including a fan-coil unit arranged adjacent to or within an indoor space within the building and additionally configured to at least one of heat and cool the air of the indoor space, and a scrubber arranged adjacent to or within the indoor space, the scrubber configured during a scrub cycle for scrubbing of indoor air from the indoor space. The scrubber includes one or more adsorbent materials arranged therein to adsorb at least one predetermined gas from the indoor air during the scrub cycle, a source of outdoor air, and an exhaust, wherein the scrubber is configured during a purge cycle to direct a purging air flow received from the source of outdoor air over and / or through the adsorbent materials to purge at least a portion of the at least one predetermined gas adsorbed by the adsorbent materials during the scrub cycle from the adsorbent materials and thereafter exhausting the flow via the exhaust.

The invention relates to a device for measuring a clean air quantity attenuation rate of an air cleaner, and belongs to the technical field of indoor air cleaner performance detection and evaluation. The device comprises a pollutant generation device, a sealed cabin, a pressure release valve, a fan, a temperature, humidity, particle, and VOCs sensor, an air pump, a programmable logic controller, an air cleaning unit composed of a nafion tube, an activated carbon filter mesh, a first air valve and a second air valve, and a humidifying module composed of a humidifier, and a third air valve and a fourth air valve connected at two ends of the humidifier. According to the device, the structure is simple, the operation is convenient, the performance parameter of removing particles and VOCs by a to-be-detected air cleaner can be simply and conveniently evaluated and the service life is evaluated.

The invention discloses a multi-ion-field indoor air purifier. The multi-ion-field indoor air purifier comprises a power source, a suction opening, a filter, a plasma reactor, a suction device and an exhaust port. The plasma reactor comprises a plurality of pole plates which are arranged in a layering manner, and the positive electrodes and the negative electrodes of the pole plates are arranged in a staggered manner. The polarities of the vertically adjacent pole plates are opposite. After all sets of electrodes of the multi-ion-field low-temperature plasma reactor form ion field units, a plurality of ion fields are formed among the ion field units. Under the same electric power, the efficiency of the reactor is improved in a multiplied manner, and energy consumption is saved in a multiplied manner. An upper-suction and lower-exhaust air processing structure is adopted, the height of the machine type is more than 1,000 mm and is close to the suspension height of polluted air, the phenomenon of the air short circuit is avoided, and the indoor space is rapidly purified completely. An airflow channel of the multi-ion field low-temperature plasma reactor is designed to be of the structure vertically circulating with the multi-hole pole plates, and the circulation amount is large while blockage cannot happen. The airflow channel can be easily taken out to be cleaned and recycled, and the using cost is greatly reduced.

The invention relates to a vertical indoor air cleaner capable of highly effectively removing volatile organic gas, comprising a shell; the shell is composed of an ozone oxidizing chamber, a photocatalysis reaction chamber and an absorption chamber from bottom to top in sequence; the ozone oxidizing chamber is provided with an oxidization ultraviolet lamp; the lower part of the oxidization ultraviolet lamp is provided with filtration layers; the photocatalysis reaction chamber is internally provided with a photocatalysis ultraviolet lamp; the upper part and the lower part of the photocatalysis ultraviolet lamp are both provided with photocatalysis sieves; the absorption chamber is internally provided with absorption layers; the top of the shell is provided with an air outlet, the lateral side of the lower part thereof is provided with an air inlet; the air inlet is connected with the internal space of the shell at the lower part of the filtration layers; photocatalyst sieves are coated with nano titanium dioxide catalyst, blocky activated carbon cellucotton is preferably selected as the absorbing material. The air cleaner features simple structure, convenient adaptation and very high purifying rate of volatile organic gas and is mainly applicable to the indoor air pollution control.

The invention discloses a multifunctional indoor air purifier, which is characterized in that: the air purifier comprises a shell, a particle removal filter, a humidification filter layer, a water pump, a water pipe, a chemical filter layer and a fan, and the bottom of the shell is provided with The water tank and the water pump are located in the water tank, the water pump is connected to the water pipe, the water outlet of the water pipe is set on the upper part of the humidification filter layer, the particle removal filter is located on the left or right side of the humidification filter layer, and the chemical filter layer is located on the particle removal filter or humidification filter layer Afterwards, the fan is placed after the chemical filter layer. The invention has the advantages of simple design, low cost, and the method of combining ordinary physical filtration, water filtration and chemical filtration to completely solve air pollution.

The invention discloses an air conditioner with fresh air exchange and purification functions, belongs to the field of household air conditioners, and aims at solving the problems existing in a way that an air conditioner and an indoor air purifier are adopted in a function integration mode to improve indoor air. The air conditioner with fresh air exchange and purification functions comprises an indoor unit and an outdoor unit, wherein the indoor unit is designed into a robot shape; a central control unit is arranged inside the head of a robot; indoor air index sensor groups are arranged in ears of the robot; two arms of the robot are turbo air multiplication humidifiers respectively; a humidification system water tank is arranged at the back of the trunk of the robot; an air transmission unit is arranged inside the chest of the trunk of the robot; a plate type heat exchanger is arranged at the lower part of the trunk of the robot; an axial flow compressor, a radiating fan, a compressor and a radiator are arranged in the inner cavity of a shell of the outdoor unit; the axial flow compressor sucks air from bottom to top; pressurized air enters the indoor unit; the temperature of the pressurized air is regulated by the plate type heat exchanger; then the pressurized air is transmitted to the two turbo air multiplication humidifiers by the air transmission unit; and rotation outlet air is formed.

An indoor air purifier with an indoor and outdoor air exchange function comprises a housing, a purifying component and a fan device, wherein the purifying component and the fan device are arranged in the housing. The purifying component is a purifying heat exchange with a heat exchange function, the wall of the housing is provided with an air return port and an air feed port communicated with the interior and a fresh air port and an air exhaust port communicated with the exterior, an air channel 18 and a sealing door are arranged between the fresh air port and the air exhaust port and communicate the same, and the sealing door is used for exchanging air and switching internal-circulating working conditions. The purifying heat exchanger is a wheel type heat storage purifying heat exchanger or a fixed type heat storage purifying heat exchanger, and cartridges of them are made of air filter materials and exchange heat with the air by directly contacting when the air passes, and an air conditioner for recovery and exhaust can purify and filter the air. The indoor air purifier overcomes conflict in indoor air purification and indoor and outdoor ventilation and air exchange and thoroughly eliminates the severe defect that an existing indoor air purifier cannot refresh indoor air components and cannot eliminate such harmful gases as carbon monoxide and excessive carbon dioxide and the like, loss of ventilation and heat exchange air conditioning energy is greatly reduced, and a novel technology is provided for health care, environmental protection and energy conservation.

The invention relates to a horizontal spray humidifying plasma and absorption indoor air purifier, comprising a shell body; wherein, the shell body is internally provided with a spray humidifying chamber, a plasma purifying chamber and an absorption purifying chamber from front to back in turn; the spray humidifying chamber is provided with a shower pipe with a plurality of shower nozzles, the bottom thereof is a water tank; the shower pipe is connected with a submerged pump in the water tank; the plasma purifying chamber is provided with a plurality of vertical flat plates which are parallel to each other and evenly spaced; a plurality of discharge bars are distributed among the flat plates; the absorption purifying chamber is provided with absorption material layers, and the absorbing material is activated carbon fiber with precious metal cold accelerant; the back end of the shell body is provided with an air outlet, while the front end thereof is provided with an air inlet. The invention features relatively simple structure, good ionization effect, the capacity of realizing relatively high purifying effect, thus being mainly applied to purification of indoor air.

The invention provides a combined device for gas cleaning with filled ball carrying nanometer titanium oxide. Sais device comprises shell, the side face of shell is equipped with air inlet, the middle part is provided with ultraviolet lamp, bottom is equipped with clean air outlet, and the place between shell and ultraviolet lamp is filled with glass bead coated with nanometer titanium oxide. The invention combines photocatalytic oxidation with absorption and filtering to clean room air, the device can be used in room air cleaner to increase clearance of pollutant in air. The device is mainly used for room air cleaning, especially clearing organic chemical matter caused by room finishing.

The invention relates to the field of small household appliances, in particular to a direct quantitative control method for indoor air purifier filter screen replacement. According to the direct quantitative control method for indoor air purifier filter screen replacement, a mass threshold value is set, and then controlling is conducted through the following steps that after a filtering assembly is installed, the initial weight of the filtering assembly is obtained through a weight sensor, when a filter starts working, a controller obtains the current weight of the filtering assembly by reading the weight sensor in real time, the filtrate weight is obtained by subtracting the initial weight from the current weight, and when the filtrate weight exceeds the mass threshold value, the controller controls an alarming mechanism to give an alarm. According to the method, the weight of particulate matter attached to a filter screen is obtained by monitoring the weight added value of the filtering assembly in real time, when the weight of the attached particulate matter exceeds the mass threshold value, the filter screen needs to be replaced, therefore, quantitative control over filter screen replacement is achieved, the replacement cycle of the filter screen reaches the maximum value while the filtering efficiency is guaranteed, and the method is more beneficial for being used by an ordinary family.

The invention discloses an indoor air purifier which comprises an air filter, an exhaust pipe, an air pump, a connecting pipe, a first air inlet pipe, a second air inlet pipe, a reversing valve and the like. According to the indoor air purifier disclosed in the invention, a filter screen is arranged in a container with water and submerged under the water surface, the indoor air is circulated by an air pump and enters water under the filter screen through a pipeline to form bubbles, the bubbles are refined into tiny bubbles when passing through the filter screen and sufficiently contact with water in the container, and the water in the container can maximally adsorb the tiny dust particles in air, thereby enhancing the air purification property. The indoor air purifier has the function of supplementing air from outside to inside. The indoor air purifier disclosed by the invention has the advantage of favorable air purification effect, is simple to operate and convenient for maintenance, can be widely used in schools, hospitals, offices, air purification rooms and other locations, and has favorable application prospects.

The invention discloses an air purifying device with simple structure and capable of effectively removing PM2.5 particles in air and other organic pollutants, and an air purifying method. The air purifying device comprises a filter screen and a water supply tank; the water supply tank provides constant-quantity water to the filter screen through capillary water absorbing cloth joined between water and the filter screen by a capillary siphon method; and the size of meshes of the filter screen and the water provided by the capillary water absorbing cloth form water film state matching on the meshes. The cheap and easy-obtained water is used as an air pollutant bearing medium; water films are formed on the meshes of the filter screens; and an absorbing effect in the blasting process of the water films is used for realizing absorption of such organic matters as smaller solid particles (0.01-10 microns), formaldehyde, benzene and ammonia. The air purifying device can totally replace several indoor air purifiers in the prior art, is high in haze removing efficiency, and can be applied to such purifying devices as ventilation, clean dust suckers, industrial cleaning chamber front end filtration, air conditioning fans, air conditioning self-cleaning nets, waste gas treatment and micron-scale micropowder processing and collection.

The invention discloses a combined type indoor air purifier, which comprises a shell (1), a fan (2) and a purification system inside the shell (1) and is characterized in that the purification system comprises a photocatalytic purification chamber (3) and a physical adsorption pool (4) which are formed by dividing the shell (1) by a clapboard (8), the clapboard (8) is provided with a through hole which is connected with an absorption tube (9), and the absorption tube (9) is communicated to the bottom end of the physical adsorption pool (4) directly; the photocatalytic purification chamber (3) is internally provided with at least five pieces of nano-titania xerogel or / and doped nano-titania xerogel (5) parallel to a cross section of the shell (1) and an ultraviolet light tube (6), the ultraviolet light tube (6) penetrates through a hole in each xerogel (5), and each piece of xerogel (5) is densely provided with air holes; and the physical adsorption pool (4) is internally provided with a water absorption liquid (7) containing a chemical catcher with the mass percentage concentration being 0.001-20%. The combined type indoor air purifier can be used for completely removing formaldehyde, benzene, toluene and other pollutants in the air and killing bacteria and viruses, and is suitable for purifying air in a room and in a vehicle.

The invention discloses low-ozone electrostatic equipment and an indoor air purifier applying the same. The indoor air purifier comprises the low-ozone electrostatic equipment which comprises a charged area and a dust collecting area that are detachably connected, wherein the charged area comprises a pin electrode framework of which the bottom is hollow and the top is open, and a punched polar plate covering the top of the pin electrode framework; the dust collecting area comprises a dust collecting honeycomb electrode and a dust collecting honeycomb housing sleeving the dust collecting honeycomb electrode in the axial direction; a plurality of pin electrodes of which the points face the punched polar plate are arranged at the bottom of the pin electrode framework; on the punched polar plate, a circular through hole is formed above each of the pin electrodes. The low-ozone electrostatic device has the advantages of being high in dust collecting efficiency and low in ozone concentration.

Systems and methods are provided for an air purifier with over pressurization relief, including the following components. A room air inlet is configured to fluidly receive air from a room. A supply duct inlet is configured to fluidly receive air from a forced air system. An air filter and or air purification means is configured to filter / purify air. An outlet is configured to expel filtered / treated air into the room. A bypass damper system has at least one air filtering mode position and a bypass mode position. A pressure control mechanism is configured to automatically allow the bypass damper system to move from at least one air filtering mode position to a bypass mode position when the air received from the supply duct inlet exceeds a bypass threshold. The bypass mode position guides air from the supply duct inlet into the room without requiring passage through the filter and the outlet.

The present utility model relates to an air purifier, in particular to an air purifier for hanging directly on a wall. To overcome the inadequacies or existing air purifiers in being unable to effectively absorb dust in high-level air indoors and taking up a user's usable space, the present utility model provides an indoor air purifier. The air purifier comprises a box assembly, an air output reversal device, an air outlet grid, a frame assembly, a basic-efficiency filter, a high-efficiency filter, a panel assembly and a wall fixing plate. The air purifier can be hung directly on a wall, can not only effectively absorb pollutants such as dust in high-level air, but also save usable indoor space for a user.

The invention relates to a filter material for air purification and a preparation method thereof. The filter material is of a multi-layer composite structure and formed by a center layer, a middle polyester fiber mat layer and an outer stainless steel retainer layer, wherein the middle polyester fiber mat layer and the outer stainless steel retainer layer are symmetrically arranged; the thickness of the center layer is 15-50mm; the center layer is formed by a nano polyacrylonitrile (PAN) fiber non-woven layer coated by nano active carbon particles; the diameter of the nano PAN fiber is 150-200nm; the diameters of the nano active carbon particles are 30-50nm; the thickness of the middle polyester fiber mat layer is 10-25mm; the outer stainless steel retainer layer is a protective layer; five layers of materials are fixed by a bolt after being pressed. The filter material disclosed by the invention can be used for adsorbing fine particles which have great risks on a human body, and are 1.5-5 microns in particle size, the filtering efficiency is over 98%, and the filter material is applied to an air filter core in an indoor air purifier.

The invention discloses an indoor air purifier which comprises a casing with an air inlet and an air outlet, a filtering system with a water accumulation filtering layer, a purifying system with a biological purifying layer and a water system with a water distributor. The biological purifying layer is located below the water accumulation filtering layer, and a water outlet of the water distributor is communicated with the water accumulation filtering layer. An indoor air purifying method is further disclosed. The method includes that air passes through the purifier, dust and VOCs in the air is attached to the water accumulation filtering layer when passing through the water accumulation filtering layer, the water distributor is utilized to deliver water to the water accumulation filtering layer, the dust and the VOCs attached to the water accumulation filtering layer is brought into the biological purifying layer when the water flow passes through the water accumulation filtering layer, the dust is adsorbed in the biological purifying layer, and the VOCs are purified in the biological purifying layer. The purifier is simple and compact in structure, simple in operation in the air purifying process, capable of effectively removing indoor dust and the VOCs, high in air purifying efficiency, environment-friendly and even capable of increasing the indoor air oxygen content.

A high cleaning efficiency room air cleaner with a slim profile providing a clean air delivery rate sufficient to clean any ordinary size room includes a flat-panel housing having an internal chamber sized to receive conventional large area flat-panel furnace filters of standard size and a fan array preferably of high efficiency, low power axial computer fans mounted to the flat-panel housing. The room air cleaner may include a scent cartridge and a UV lamp assembly.

The invention relates to a horizontal plasma and photocatalytic indoor air purifier, comprising a shell body; wherein, the shell body is internally provided with a plasma purifying chamber and a photocatalytic purifying chamber from front to back in turn; the plasma purifying chamber is provided with a plurality of vertical flat plates which are parallel to each other and evenly spaced; a plurality of discharge bars are evenly distributed among the flat plates, and the surface thereof is evenly provided with a plurality of discharge pricks; the vertical flat plate is connected with a negative pole of a power supply, while the discharge bar is connected with a positive pole of the power supply; the vertical flat plate and the discharge bar are arranged together by an insulated bracket; the inside of the photocatalytic purifying chamber is provided with a photocatalytic ultraviolet light, and the top part and / or the bottom part of the photocatalytic ultraviolet light is provided with multilayers of photocatalyst filters; the back end of the shell body is provided with an air outlet, while the front end thereof is provided with an air inlet. The invention features relatively simple structure, good ionization effect, the capacity of realizing relatively high purifying effect, thus being mainly applied to purification of indoor air.

The invention discloses an indoor air purifier which comprises a liquid storage tank, filter elements, activated carbon, an exhaust fan and ultraviolet lamp devices. The indoor air purifier has the advantages that air can be upwardly exhausted from the lowermost layer by the exhaust fan, a spray nozzle is arranged above each layer of filter elements, alga liquid sprayed by the spray nozzles can be sufficiently in contact with the air, particulate matters and water-soluble matters in the air can be dissolved in water, accordingly, a PM2.5 (particulate matter 2.5) value of the air can be greatly lowered, and the air further can be humidified; NOx, formaldehyde, heavy metal ions and the like in the air can be absorbed and utilized by micro-algae after being dissolved in the water and subjected to reaction by the aid of culture media; pollutants in the air can be absorbed by the micro-algae and can be converted into nutrition of the micro-algae, and oxygen can be released by the aid of photosynthesis; VOCs (volatile organic chemicals) in the air can be adsorbed and removed by the activated carbon of activated carbon layers; inactivation effects can be realized for bacteria in the air by ultraviolet lamps; four air purification technologies including a micro-alga purification technology, an activated carbon adsorption technology, a water washing purification technology and an ultraviolet sterilization technology are combined with one another, and accordingly service requirements of modern families can be met.

The invention discloses an automatic indoor air purifier. The automatic indoor air purifier includes a distance detection module, an air quality detection module, an air purifying module and a controlling module, wherein the distance detection module is used for obtaining the distance between a user and the air purifier; the air quality detection module is used for obtaining air quality data in atarget area; the air purifying module is used for purifying air in the target area according to air purification parameters sent by the controlling module; and the controlling module obtains the distance between the user and the air purifier through the distance detection module, the controlling module compares the distance between the user and the air purifier with the preset distance value, whenthe distance between the user and the air purifier is less than the preset distance value, the controlling module obtains the air quality data in the target area through the air quality detection module, and the controlling module sets air purification parameters according to the air quality data in the target area and a preset parameter setting list and sends the air purification parameters to the air purifying module.

The invention discloses an indoor air purifier capable of intelligently moving and a control method thereof. The purifier comprises a purifier body with an air inlet and an air outlet and a PM2.5 removal system which is arranged in the purifier body and located between the air inlet and the air outlet. The purifier body is provided with a walking mechanism, a PM2.5 concentration detecting device and a processor, the walking mechanism drives the purifier body to move and has a colliding steering function, the PM2.5 concentration detecting device is used for detecting the value of PM2.5 around the PM2.5 concentration detecting device in real time and outputting the detected PM2.5 value, the processor is connected with the walking mechanism and the PM2.5 concentration detecting device and used for receiving the PM2.5 value output by an air detecting device and comparing the received PM2.5 value with a preset threshold value prestored in the processor, and meanwhile the walking mechanism is controlled to be turned on and off. When the PM2.5 value is smaller than the preset threshold value, the processor controls the walking mechanism to be turned on to drive the purifier body to move. When the PM2.5 value is larger than or equal to the preset threshold value, the processor controls the walking mechanism to be turned off to enable the purifier body to be static. The purifier can automatically and comprehensively purify indoor air everywhere, and the good indoor air environment is guaranteed.