3632results about "Space heating and ventilation" patented technology

The utility model provides a purifier. The purifier comprises a shell, a filtering part and an impeller. The shell is provided with an air inlet and an air outlet; the filtering part is arranged at the air inlet; the impeller is arranged in the shell and can drive gas to enter the shell from the gas inlet, and the gas flows out of the shell from the gas outlet after flowing through the filtering part, and the impeller comprises a cover body, blades and a flow guide ring; the multiple blades are arranged in the circumferential direction of the impeller and connected with the cover body. The flow guide ring is located on the sides, away from the cover body, of the blades and connected with the blades. Wherein the flow guide ring extends in the axial direction away from the impeller in an arc shape from the side away from the cover body to the side close to the cover body, on one axial section of the impeller, the radius of the outer surface of the flow guide ring is the first radius, and the first radius is larger than or equal to 7.8 mm and smaller than or equal to 20.6 mm; on one axial section of the impeller, the central angle corresponding to the outer surface of the flow guide ring is larger than or equal to 52.6 degrees and smaller than or equal to 86.3 degrees. Therefore, the work efficiency is improved.

The utility model discloses an indoor air treatment device with a built-in purification structure, and relates to the technical field of air treatment, the indoor air treatment device comprises a shell, and the purification mechanism is arranged in the shell and used for cleaning dust on a filter screen. According to the indoor air treatment device with the built-in purification structure, a driving motor is started to drive a gear to rotate, a gear ring is matched to drive a rotating ring to rotate, a filter screen is clamped on the rotating ring through cooperation of a clamping block and a clamping groove, when the rotating ring rotates, the filter screen is driven to rotate synchronously, bristles on a brush plate are tightly attached to the surface of the filter screen, and therefore the filter screen can be purified. Under the action of friction force, dust on the surface of the filter screen is separated, negative pressure is generated in the dust suction cover by starting the suction pump, and therefore the dust brushed down by the brush plate can be sucked into the dust suction cover and enters the dust collection box through the dust suction pipe, and the effect of automatically cleaning the filter screen under the condition that the filter screen is not detached is achieved; and the maintenance difficulty is reduced.

The utility model discloses a civil air defense engineering pipeline filtering and purifying device which comprises a mounting pipe, an obliquely arranged filtering net plate is fixedly mounted in the mounting pipe, impurities in flowing gas are filtered through the filtering net plate, and an obliquely arranged vibration exciter is fixedly connected to the bottom of the right side of the filtering net plate. Through the arrangement of a series of structures, gas introduced into the civil air defense project can be filtered and purified, tiny impurities in the gas can be effectively treated in the mode that the gas is filtered and then purified, the filtering and purifying effect on the gas is improved, and the gas purification effect is improved. According to the air-raid shelters, the situation that impurities enter the air-raid shelters and hurt the bodies of people is reduced, dust attached to the filter screen plate can be effectively cleaned in the mode that excitation is matched with air back-blowing, the situation that the dust blocks meshes of the filter screen plate can be effectively reduced in the mode of back-blowing dust cleaning, and the dust cleaning effect on the filter screen plate is improved.

The utility model discloses a filter element cleaning structure and an air conditioner and relates to the technical field of air conditioners, the filter element cleaning structure and the air conditioner comprise a filter element, the filter element cleaning structure further comprises a shell, a fixed part and a cleaning assembly, the fixed part comprises a fixed frame and a movable frame, the fixed frame is arranged on the inner wall of the shell, and the movable frame is arranged on the inner wall of the shell. An air inlet cavity and a flow guide cavity are correspondingly formed in the upper end and the lower end of the fixed frame, the movable frame is installed in the air inlet cavity corresponding to the fixed frame, the fixed frame and the movable frame are used for fixing the two ends of the filter element respectively, the air inlet cavity and the flow guide cavity are communicated through a flow guide hole in the center of the fixed frame, and the cleaning assembly comprises a blowing part and a rotary cleaning part. According to the automatic cleaning device for the filter element, a blowing cleaning mode and a contact cleaning mode are combined to automatically clean the filter element, the cleaning effect on the filter element can be effectively guaranteed, the labor intensity during manual operation can be effectively reduced, and the automatic cleaning device has good application prospects.

The utility model discloses a clean workshop return air dust removal device which comprises a dust removal box, two filter screens, a first dust removal pipe, a support, a motor, a fan, two second dust removal pipes and a plurality of air blowing pipes, and a collecting assembly is arranged on the dust removal box. Through the arrangement of the fan, the first dust removal pipe, the second dust removal pipe and the air blowing pipe, dust on the surface of the filter screen can be blown away, it is avoided that too much dust is accumulated, normal use of the filter screen is affected, the filtering efficiency of the filter screen is guaranteed, and the service life of the filter screen is prolonged; the air blowing pipe can more comprehensively blow air to remove dust on the filter screen, the fan can regularly clean the filter screen, workers do not need to frequently replace the filter screen, the production cost is reduced, the collecting assembly is arranged to collect blown dust, and later cleaning of the workers is facilitated.

The invention relates to the technical field of grain surface air conditioners, and discloses a grain surface air conditioning system with an air-tight door, which comprises a case and two air ports in the front wall of the case, a shaft tube disc is rotatably connected in the front wall of the case, the left and right sides of the shaft tube disc are respectively provided with a through groove I butted with the air ports, and the upper and lower sides of the shaft tube disc are respectively provided with a through groove II; the front side and the rear side of the second through groove are slidably connected with abutting connection discs, and first sealing rings are arranged on the edges of the opposite sides of the abutting connection discs. The shaft pipe disc and the abutting disc are controlled to act step by step before and after granary fumigation, the first sealing ring is driven to vertically extrude and seal the air opening or vertically reset, the valve cover is matched to extrude the second sealing ring and contract into the two air pipes, and therefore the situation that a sealing piece is abraded and fails is avoided, and the double-air-tight-door function is provided; in addition, dust on the surface of the elastic filter disc can be fully cleaned and collected, the situation that the dust and hydrogen phosphide are combined to form viscous particles to block the elastic filter disc is avoided, and follow-up stable use of the elastic filter disc is guaranteed.

The invention belongs to the technical field of air purifiers, and particularly relates to a filtering assembly for an air purifier, the filtering assembly comprises a main box body, and a drainage device is arranged in the main box body; the drainage equipment comprises a drainage bottom pump, and the top end of an output shaft of the drainage bottom pump is rotationally connected with airflow equipment through a drainage rod. The device can purify indoor air, dust is easily accumulated on the outer filter cartridge and the inner folded filter cartridge which are used for filtering the air, so that the purifier needs to be disassembled after being used for a period of time and is manually dedusted, and the purifier generally cannot be continuously used for a long time; and the inside of the device has a cleaning function, and floating ash attached to the outer part of the filter cartridge can be cleaned through the flushing work of the side drainage barrel and the drainage bottom pump, so that the filtering capacity of the barrel body is recovered, the disassembly work is not needed, and the simplification effect is realized.

The utility model relates to the technical field of anti-explosion analysis cabins, in particular to a positive pressure type anti-explosion analysis cabin which comprises a cabin body. Limiting grooves are formed in the upper side wall and the lower side wall of the mounting frame correspondingly, and the limiting strips are matched with the corresponding limiting grooves in an inserted mode. A dust filtering net for filtering inlet air is mounted at the opening of the mounting frame; the fan feeds outdoor air into the room body, the multiple dust filtering nets arranged on the rear side of the air inlet filter the entering air at the same time, particulate matter such as dust in the air is filtered by the dust filtering nets, the design is beneficial to forming of a positive pressure airflow environment, it is guaranteed that the positive pressure in the anti-explosion analysis cabin is positive, external dust and the like can be prevented from entering the room body, and the anti-explosion analysis cabin is convenient to use. Therefore, the adverse effects of dust on precision equipment in the room body and the health of workers are avoided; by means of the design, the multiple frames and the dust filtering net can be disassembled and assembled conveniently, then attachments on the dust filtering net can be cleaned conveniently, and the filtering effect of the dust filtering net on inlet air is guaranteed.

The utility model discloses an air purification device with a self-cleaning air port, which relates to the self-cleaning field of air inlets and comprises an outer frame, a filter screen is fixedly mounted at one end of the outer frame, hole grooves are distributed in the end face of the filter screen, a containing frame is mounted at one end of the filter screen, the containing frame is of a hollow structure, and the hole grooves are communicated with the containing frame. An inner cavity of the filter screen is communicated with an inner cavity of the containing frame, and a strip-shaped groove is formed in the butt joint position of the filter screen and the containing frame; a cleaning mechanism penetrating to the position below the filter screen is installed in an inner cavity of the containing frame, a driving guide mechanism extending to the inner cavity of the filter screen is installed outside the filter screen, and the driving guide mechanism is used for driving the cleaning mechanism to move in a reciprocating mode. The cleaning mechanism is arranged, impurities accumulated on the filter screen are cleaned in a suction mode, and the effective self-cleaning effect is achieved.

The air purifier comprises a shell and an adjusting assembly, the shell comprises an outer shell and an installation seat, an installation hole is formed in the outer shell, the installation seat is locked to the outer shell through a screw joint piece, the adjusting assembly comprises a connecting support and a rotary knob assembly, the connecting support is installed on the installation seat, and the rotary knob assembly is installed on the installation seat. The knob assembly penetrates through the mounting hole and protrudes out of the outer surface of the shell, and the edge of the mounting hole protrudes outwards. According to the technical scheme, the cleanliness in the air purifier is improved, and the service life of the air purifier is prolonged.

The utility model discloses a deodorization device for an adhesive production workshop, which comprises a support frame, a channel and an activated carbon box, the channel is arranged at the top end of the support frame, the activated carbon box is arranged in the channel, and the deodorization device for the adhesive production workshop further comprises a vibration component arranged in the channel in a sliding manner; the collecting components are arranged on the left side and the right side in the channel in a sliding mode. According to the deodorizing device for the adhesive production workshop, through cooperative work of a motor, a lead screw and a sliding block, a connecting rod is driven to move up and down, so that a rotating rod is driven to move up and down, through cooperative work of a limiting plate, a limiting rod and the rotating rod, a hammer head is driven to move left and right, so that a vibration plate is hammered, and through cooperative work of the vibration plate and a pull rod, the effect of deodorizing is achieved. And through cooperative work of the components, the purposes of conveniently and rapidly cleaning the outer wall of the activated carbon, increasing the adsorbability of the activated carbon and improving the purification work efficiency are achieved.

The utility model provides a flow-adjustable water distribution device, belongs to the technical field of heating, ventilation and air conditioning, and aims to solve the problems that a large amount of scale can be generated to block spray holes in a water distribution pipe after the conventional water distribution device is used for a long time, and the flow can be controlled according to an actual use environment once the water distribution device is mounted inconveniently. Comprising a water distributor main body, the rotating base is rotationally connected to the bottom of the water distributor main body; the flow adjusting seat is rotationally connected to the bottom of the rotating base; at least four groups of water distribution branch pipes are arranged, and the four groups of water distribution branch pipes are circumferentially and uniformly distributed around the water distributor main body; a plurality of groups of transmission blocks are arranged, and the plurality of groups of transmission blocks are arranged below each group of water distribution branch pipes; the cleaning anti-blocking assembly is arranged below the water distribution branch pipe; and the flow adjusting assembly is arranged below the rotating base. The utility model has the advantages of quick adjustment, convenience in cleaning, blockage prevention and the like.

The purifier comprises a shell, a volute and an impeller, the shell is provided with an air inlet and an air outlet, the volute is arranged in the shell, the impeller is arranged in the volute, a first airflow channel is formed between the outer edge of the impeller and the inner wall of the volute, the impeller can drive external air of the shell to enter the shell from the air inlet, and the impeller can drive external air of the shell to enter the shell from the air outlet. The wall face of the volute comprises a plurality of face sets, the face sets are arranged in the circumferential direction of the impeller, each face set comprises a first surface, a second surface and a third surface, and the first surface, the second surface and the third surface are arranged in the circumferential direction of the impeller. On the radial section of the purifier, the curvature of the first surface is smaller than or equal to that of the third surface, and the curvature of the third surface is smaller than that of the second surface. Through curvature change, accumulation of rotating airflow in the volute can be avoided, the axial airflow speed of the purifier is increased, and the wind speed and the flow guide amount of the whole purifier are increased.

The utility model provides an air purification filter, relates to the air purifier field, including purifier body and box door, inside the purifier body is provided with filter element, the periphery of filter element is provided with dust screen, one side of dust screen is provided with drum, the other side of dust screen is provided with hair brush through mounting rack, the box door is provided with the box door. Impurities on the surface of the dustproof net can be brushed off through the cooperation of the brush rotary drum, the fallen impurities can be sucked into the collecting box to be stored through the cooperation of the fan, the air pipe and the suction head, and therefore the self-cleaning effect is achieved. Through the design, the time for manual cleaning can be saved, the device is worry-saving and convenient, the service life of the filter element is prolonged, the purchase cost of a user is reduced, the good purification effect is guaranteed, and the practicability of the device is improved.

The invention discloses a vehicle-mounted oxygen generation method, a main controller, an intelligent seat and a vehicle. Non-sensing type physiological signal collection is achieved through the supporting air bag and the sensing assembly of the seat, the target object does not need to additionally wear a detection device in the daily riding process, and the biological signal of the target object can be automatically obtained; the main controller adjusts the oxygen supply frequency of the oxygen supply assembly according to the obtained biological signal, and pulse type oxygen supply matched with the user state is achieved, so that oxygen waste caused by traditional continuous oxygen supply is avoided, and the oxygen supply utilization rate is increased; meanwhile, the oxygen supply assembly is connected with a high-pressure air source in the vehicle through the oxygen generation assembly, and a compressor for oxygen generation does not need to be additionally arranged, so that extra noise is avoided in the oxygen generation process, and meanwhile the space occupancy rate of the whole vehicle is reduced; in addition, active participation of a user is not needed in the whole process, full-process non-perceptual adjustment from detection to oxygen supply can be achieved, and comfort and intelligent experience are both considered.

To provide a space purification device which suppresses strong alkalinity after electrolysis of an aqueous solution stored in a supply tank and thereby improves safety. [Solution] A space purification device 1 is provided, which comprises an electrolytic cell 10 for storing a first aqueous solution L1, a supply cell 20 for storing a second aqueous solution L2 and supplying chloride ions to the first aqueous solution L1, and an anion exchange membrane 30 connecting the electrolytic cell 10 and the supply cell 20 to allow anions to pass therethrough, wherein the second aqueous solution L2 is a metal chloride aqueous solution, and by performing diaphragm-containing electrolysis, the chloride ions contained in the second aqueous solution L2 stored in the supply cell 20 are passed through the anion exchange membrane 30 and supplied to the first aqueous solution L1 stored in the electrolytic cell 10 so as to replenish the chloride ions contained in the first aqueous solution L1 that have been reduced by diaphragm-less electrolysis, and in the supply cell 20, the metal ions contained in the second aqueous solution L2 react with the hydroxide ions generated by the diaphragm-containing electrolysis to form a metal hydroxide precipitate.

The utility model relates to the field of filter screen devices, in particular to an energy-saving filter screen device for air conditioning, which comprises an air supply box, an end flange of the air supply box is connected with a filter pipe, an end flange of the filter pipe is connected with a three-way pipe, one end flange of the three-way pipe is connected with an air supply pipe, and a pipe body of the air supply pipe is provided with an electric control valve. A three-way pipe is arranged at one end of the filter pipe, a flange at the other end of the three-way pipe is connected with a blow-off pipe, a stop valve is arranged on a pipe body of the blow-off pipe, an air supply assembly is arranged in the air supply box, and a filter screen assembly and a dredging assembly are arranged in the filter pipe. The defects that the ventilation effect is not ideal due to blockage of the filter screen, and electric energy consumption needs to be enhanced to achieve the expected ventilation effect are effectively overcome, energy saving is facilitated, the filter screen assembly does not need to be disassembled, use is convenient, and dredging is convenient.

The invention discloses a soaking disinfection type filter element air purifier with quick disassembly and assembly, and relates to the technical field of air purifiers, the soaking disinfection type filter element air purifier comprises a filter body and a power supply connecting wire, and further comprises a quick disassembly and assembly mechanism, a detection protection mechanism and a soaking type filter element mechanism; possible dangerous maintenance or operation in a live-line state is avoided, the safety during maintenance is improved, meanwhile, the sliding cover is fixed through the power supply connecting wire storage and quick-release mounting mechanism, and due to the fact that a power supply connecting wire plug in the prior art is larger than a power supply connecting wire body in diameter, after the power supply connecting wire is stored in a storage groove, the power supply connecting wire plug can be conveniently detached from the storage groove. The power supply connecting line is blocked by the movable sleeve and cannot be separated from the storage groove, so that the problem that the power supply connecting line is placed randomly is avoided, the phenomenon that the power supply connecting line is inserted back into the power supply by mistake by a person nearby is prevented, and the safety is further improved.

The present invention provides an aromatherapy machine, comprising a liquid storage bottle and an atomizing head, wherein the atomizing head comprises an atomizing device and a mist outlet nozzle, the atomizing device is connected with an air pump and a liquid suction tube, the liquid suction tube extends into the liquid storage bottle, the atomizing device is used to mix the liquid in the liquid storage bottle with the air output by the air pump, atomize the mixture and spray the mixture out of the mist outlet nozzle, the atomizing device is provided with an air outlet hole, and the mist outlet nozzle is arranged to be tilted upward along the height direction of the atomizing head; the air outlet hole is arranged opposite to the input end of the mist outlet nozzle, and an angle θ is formed between the air flow direction in the atomizing device and the output end of the mist outlet nozzle; large-particle droplets transported by small-flow air are intercepted, and large-particle droplets remaining in the atomizing device are cleared to avoid the occurrence of liquid spraying; a compression chamber is arranged to increase the pressure of the air and reduce the particle size of the droplets; more droplets are driven to spray out from the mist outlet nozzle to increase the mist output; and the mist output of small-particle droplets is increased while intercepting large-particle droplets.

The utility model relates to the technical field of air purification and disinfection, in particular to an air purification and disinfection device which comprises a purification and disinfection mechanism, a convenience mechanism, a control mechanism and an auxiliary mechanism, the purification and disinfection mechanism is located in the auxiliary mechanism, the convenience mechanism is located in the auxiliary mechanism, and the control mechanism is located on one side of the auxiliary mechanism. The purification and disinfection mechanism comprises a primary filter screen, a silver ion filter screen, an activated carbon filter screen, an efficient filter screen and a negative ion refreshing machine, the silver ion filter screen is mounted on the right side of the primary filter screen, and the activated carbon filter screen is mounted on the right side of the silver ion filter screen. The air supply fan is mounted at the top end of the box body, purified and disinfected air below the box body is sent out through the air outlet, the air purification and disinfection efficiency is improved, if the filter screens need to be replaced, the drawer below the box body can be pulled out, the filter screens in the first clamping groove, the second clamping groove, the third clamping groove and the fourth clamping groove can be taken out for replacement, and the filter screen replacement efficiency is improved.

The utility model relates to a building photovoltaic component with sun-shading and ventilation functions. The building photovoltaic component comprises a steel skeleton, a ventilation unit, a sun-shading unit and a photovoltaic power generation unit, the ventilation unit, the sunshade unit and the photovoltaic power generation unit are all of a modular assembly connection structure. One end of the steel framework is fixed on the main body structure, and the other end is hung on the outdoor side of the glass curtain wall; the sunshade unit covers the surface of the steel framework, is fixedly connected to the steel framework and is used for shielding sunlight entering the glass curtain wall; the photovoltaic power generation unit is fixed on the sunshade unit, located at the top of the steel framework and used for solar power generation; the ventilation unit is arranged on the glass curtain wall and the steel framework and used for indoor and outdoor ventilation. The component integrates three core unit parts of ventilation, sunshade and power generation, and is integrated with an attached main body structure, so that the problems that the opening of a curtain wall facade affects the building facade effect, the component function is single and the function integration degree is low are solved, and the component is particularly suitable for south, east and west facades of low-rise, multi-rise and high-rise buildings.

The invention relates to the technical field of air conditioning, in particular to an efficient air purification and sterilization device.The efficient air purification and sterilization device comprises a cylindrical cover body, a purification mechanism is arranged in the cylindrical cover body, and a cleaning mechanism is arranged in the purification mechanism. In the moving process of the arc-shaped scraping piece, the arc-shaped scraping piece is matched with the arc-shaped adsorption piece to complete the cleaning work of the arc-shaped scraping piece, meanwhile, the wavy matching groove formed in the inner wall of the cylindrical cover body can achieve the intermittent attaching work of the arc-shaped scraping piece and the outer wall of the filter screen, and dust accumulation generated when the arc-shaped scraping piece works is avoided; meanwhile, the activated carbon capable of recovering the adsorption capacity through a heating regeneration method is detachably mounted on the mounting cover body, the number of times of replacing the activated carbon is reduced, the working efficiency is further improved, and the situation that the adsorption capacity is reduced due to the fact that many harmful substances or bacteria adhere to the outer surface of the activated carbon is avoided.

The utility model discloses an air cooler front plate filter screen structure, and relates to the field of air coolers, the air cooler front plate filter screen structure comprises a front plate body and a filter screen, the front plate body is a metal plate, the filter screen is a flexible screen, magnetic suction strips are arranged on the peripheral side of the filter screen, the magnetic suction strips are adsorbed on the front plate body, and a limiting plate is arranged on the side wall, close to the filter screen, of the front plate. The number of the limiting plates is two, and the two limiting plates are located on the upper side and the lower side of the filter screen and limit the filter screen. When the filter screen is installed, the filter screen is firstly bent, the upper end and the lower end of the filter screen are placed into the two limiting plates, then the filter screen is attracted and fixed to the front plate body through the magnetic attraction strips, then installation of the filter screen can be rapidly completed, and when the filter screen is disassembled, the filter screen is firstly bent, one side of the filter screen is moved out of the limiting plates, and then disassembly of the filter screen can be rapidly completed. The filter screen is more convenient and quicker to disassemble and assemble.

The utility model relates to the technical field of range hoods, and discloses an air purification module and a range hood with the air purification module. The telescopic panel assembly is connected into the telescopic inner cavity in a sliding mode; the air curtain assembly is arranged in the mounting cavity of the telescopic panel assembly, and the air outlet side of the air curtain assembly faces the air curtain exhaust outlet; the negative ion generator is arranged on the air outlet side of the air curtain assembly; the driving module is arranged in the telescopic inner cavity, and the driving module is connected with the telescopic panel assembly and the negative ion generator; compared with the prior art, negative ions generated by the air purification module and the negative ion generator are diffused downwards under the action of air of the air curtain, the diffusion range covers the position corresponding to the mouth and the nose of a user, when oil smoke escapes outwards, the oil smoke is blocked by the air curtain firstly, and when part of the oil smoke penetrates through the air curtain, the oil smoke is purified by the negative ions in the air curtain; the user inhales the air purified by the negative ions, the health of the user is not affected, and the air is disturbed and diffused by the user and does not pollute the wall of a kitchen.

The utility model discloses a microswitch assembly of an air purifier, which comprises a switch support, and a microswitch is arranged in the switch support. The switch support is fixed to one end of an air duct shell of the air purifier, a guide hole is formed in the end, close to the switch support, of the air duct shell, an air inlet grille is installed on the air inlet face of the air duct shell and limits a filter screen in the air duct shell, a guide block is arranged at the end, close to the guide hole, of the air inlet grille, and the guide block is fixed to the air duct shell. The guide block passes through the guide hole so as to abut against an action elastic sheet of the microswitch. When the air inlet grille is installed in place, the guide block presses the action elastic piece to trigger the microswitch, and the air purifier is powered on to work. When the filter screen needs to be replaced and the air inlet grille is disassembled, the guide block is separated from the action elastic piece, the microswitch is closed, and the air purifier is powered off. According to the utility model, the air purifier can be automatically closed when the filter screen is replaced or detached, so that the safety of a user is effectively protected.

The utility model relates to the technical field of fresh air settling treatment, in particular to a fresh air settling chamber for a clean room, which comprises a settling chamber main body, a partition plate is arranged in the settling chamber main body, a collecting structure is arranged on one side of the partition plate, and side plates are mounted on two sides of the inner wall of the settling chamber main body; through the collecting structure, when air is treated, air in the clean room is introduced into the air inlet pipe, at the moment, after the air is pretreated through the air inlet structure, the air enters the space between the side plates on the two sides, large dust particles in the air fall down under the influence of the gravity of the dust particles and are stuck and fixed by the sticking belt below, and dust is prevented from being blown by wind to fly around; when the adhesive tape on one side is fully paved with dust particles, the output shaft of the adhesive tape can drive the rotating rod to rotate through driving of the servo motor, so that one side of the collecting roller is replaced, and when the adhesive tapes on the four sides are fully paved with dust, the cover plate is taken down, and the adhesive tapes are torn down one by one and replaced. Therefore, the purposes of collecting dust and preventing dust particles from returning to the air chamber are achieved.

The invention relates to the technical field of clean room air conditioners, and particularly discloses an air regulation and control structure for a clean room, the air regulation and control structure comprises a ventilation unit, a fresh air pipe, an air return pipe, a first air supply pipe, a collection device, a cleaning device and a regulation device, and the ventilation unit can transfer, update and circulate air in the clean room; the fresh air pipe is arranged at a fresh air port of the ventilator unit; the air return pipe is arranged at an air return port of the ventilator unit; the first air supply pipe is arranged at an air supply outlet of the ventilator unit; the collecting device is arranged at an output port of the first air supply pipe and can collect pollutants; the cleaning device is arranged in the center of the right side of the outer wall of the output port of the collecting device, and through collaborative design of the collecting device and the cleaning device, the mode that a traditional clean room filtering part depends on manual disassembly and assembly is changed; the cleaning device drives symmetrical filter screen cleaning brushes to comprehensively clean the filter screen in a reciprocating manner by means of a three-connecting-rod driving mechanism, so that no cleaning dead angles exist on the front and rear sides of the filter screen.

The utility model discloses a pet purifier, which comprises a purifier body, a fan seat and a cat lying plate, and is characterized in that the side wall of the fan seat is provided with an elastic buckle structure, and the fan seat is detachably connected with the purifier body through an elastic buckle. The machine body comprises a metal cage, a filter cartridge, a top ring and a base, and a small pressing plate is arranged on the base and is fixed by buckling a bottom frame of the metal cage. The pet purifier has the structural characteristics of convenience in disassembly and large air inlet aperture, so that the filter cartridge is convenient to replace, the air resistance is small, animal hair is easily adsorbed, and the actual use effect is improved.

The utility model discloses an atomizer assembly and a fragrance diffuser using the same, and relates to the technical field of fragrance diffusers and parts of the fragrance diffusers. An airflow channel is formed in the atomizer body component, and airflow perforation holes communicating with the airflow channel are formed in the surface of the atomizer body component; an oil absorption channel is further formed in the atomizer body component, and an essential oil perforation communicated with the oil absorption channel is formed in the surface of the atomizer body component; the airflow perforation and the essential oil perforation of the atomizer body component have relative positions suitable for generating an atomization effect; the silencer further comprises a silencing ring component. The silencing ring component surrounds the airflow perforation holes and the essential oil perforation holes of the atomizer body component, so that the atomization effect occurs in an inner ring of the silencing ring component. The utility model mainly solves the problem of how to provide a low-noise atomizer assembly for the fragrance diffuser. The atomizer assembly has a good mute effect during operation, and the use experience of the fragrance diffuser is improved.

The utility model belongs to the technical field of air coolers, and particularly relates to a dustproof device of an air cooler, which comprises a filtering mechanism and a dedusting mechanism which are arranged on the air inlet side of the air cooler, the filtering mechanism comprises a frame, and a dustproof net is arranged in the frame; the dust removal mechanism comprises a transverse rod arranged on one side of the frame, a plurality of sweeping parts are arranged on the transverse rod, a rotating mechanism and a lifting mechanism are arranged on the transverse rod, the rotating mechanism is used for driving the sweeping parts to rotate, the lifting mechanism is used for driving the sweeping parts to move up and down, and the sweeping parts are matched with the dust screen. The dust screen on one side of the air cooler is self-cleaned by arranging the rotary cleaning piece capable of moving up and down, so that the dust screen is prevented from being detached for cleaning, the workload of manual maintenance is greatly reduced, the heat exchange effect of the evaporator is ensured, and the use burden of a user is reduced.