Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of PM2.5 ventilation fan device is provided, be used for dust and PM2.5 in the absorption chamber, the air in the clean room.
The technical solution adopted in the present invention is: PM2.5 ventilation fan device includes filter, shell and controller; Filter includes bi-directional venting fan, water pump, cascade shower nozzle and shutter, the bi-directional venting fan includes motor and fan blade, shell is provided with air inlet, air outlet and water tank, the support of motor is fixedlyed connected with shell, the front axle of motor is fixedlyed connected with fan blade, the rear axle of motor is connected with unidirectional transmission coupling, and unidirectional transmission coupling is fixedlyed connected with the rotating shaft of water pump, and the outer shell base of water pump is fixedlyed connected with shell; When motor was just changeing, driving water pump just changeed, and during the motor counter-rotating, because unidirectional transmission coupling has only the function of unidirectional transmission, water pump does not rotate; Shutter is positioned at air outlet, and shutter is connected with shell, and the cascade shower nozzle is positioned at the top of shutter, and water tank is positioned at the bottom of shutter, and the cascade shower nozzle is connected with the delivery port of water pump, and the water inlet of water pump is connected with the water tank of shell; Water tank is provided with filtered water, and for generation of filtering cascade, shutter is provided with the filtration cascade, filters cascade by the ejection of cascade shower nozzle, and the filtration cascade of cascade shower nozzle ejection flows into water tank through shutter; Water tank is provided with entering water electromagnetic valve and water level switch, and entering water electromagnetic valve is connected with running water pipe, is used for to the automatic supplementing water of water tank; Controller is provided with control line and is connected with motor, entering water electromagnetic valve and water level switch; Water tank is provided with water filter and thimerosal injection device, and water filter is used for purifying filtered water, and the thimerosal injection device is used for injecting thimerosal to filtered water.
When PM2.5 ventilation fan device uses, PM2.5 ventilation fan device is installed on the wall hole in room, and the air outlet that makes shell is positioned at an indoor side, air inlet is positioned at an outdoor side, utilizing controller to control its filter directly is discharged to indoor air outdoor, then, outdoor fresh air is indoor by its filter filtration back introducing, so constantly circulate; During by outdoor introducing fresh air, controller control motor just changes, and driven by motor fan blade and water pump just change, the filtered water of water tank is evacuated to the cascade shower nozzle by water pump, be sprayed onto shutter by the cascade shower nozzle, filtered water flows to the bottom by the top of shutter, and filtered water forms one at shutter and filters cascade; Simultaneously, fan blade just changes, and by the air inlet suction, fresh air filters the back by in the air outlet inlet chamber through the filtration cascade of shutter with outdoor fresh air, and utilization filtration cascade absorbs dust and the PM2.5 in the fresh air; Introduce the fresh air time and arrive, the counter-rotating of controller control motor, the gearing of can not reversing of unidirectional transmission coupling, water pump does not rotate, and motor only drives the fan blade counter-rotating, and indoor air is entered by air outlet, be discharged to outdoorly through shutter and air inlet, be discharged to indoor air outdoor; So constantly circulation.
The invention has the beneficial effects as follows: PM2.5 ventilation fan device is provided with filter, filter is provided with bi-directional venting fan, shutter, water pump and cascade shower nozzle, shutter is provided with the filtration cascade, utilizes the motor counter-rotating of controller control bi-directional venting fan, is discharged to indoor air outdoor; Utilize the motor of controller control bi-directional venting fan just to change, indoor outdoor fresh air suction, the filtration cascade filtration of process shutter earlier in the time of in the fresh air inlet chamber, utilize the dust and the PM2.5 that filter cascade absorption chamber outer air, thereby reached the purpose of changing and purifying the air of a room; Simultaneously, add thimerosal in filtering cascade, make and filter the function that cascade has the sterilization fresh air.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further detailed:
The structural representation of PM2.5 ventilation fan device shown in Figure 1, PM2.5 ventilation fan device includes filter 1, shell 2 and controller 3; Filter 1 includes bi-directional venting fan 37, water pump 6, cascade shower nozzle 7 and shutter 8, orientation exhaust fan 37 includes motor 4 and fan blade 5, shell 2 is provided with air inlet 9, air outlet 10 and water tank 11, the support 12 of motor 4 is fixedlyed connected with shell 2, the front axle 13 of motor 4 is fixedlyed connected with fan blade 5, the rear axle 14 of motor 4 is connected with unidirectional transmission coupling 15, unidirectional transmission coupling 15 is fixedlyed connected with the rotating shaft 16 of water pump 6, the outer shell base 38 of water pump 6 is fixedlyed connected with shell 2, when motor 4 was just changeing, driving water pump 6 was just changeing, during motor 4 counter-rotatings, because unidirectional transmission coupling 15 has only the function of unidirectional transmission, water pump 6 does not rotate; Shutter 8 is positioned at air outlet 10, and shutter 8 is connected with shell 2, and cascade shower nozzle 7 is positioned at the top of shutter 8, and water tank 11 is positioned at the bottom of shutter 8, and cascade shower nozzle 7 is connected with the delivery port 17 of water pump 6, and the water inlet 18 of water pump 6 is connected with the water tank 11 of shell 2; Water tank 11 is provided with filtered water 19, and shutter 8 is provided with and filters cascade 20; Water tank 11 is provided with entering water electromagnetic valve 25 and water level switch 26, and entering water electromagnetic valve 25 is connected with running water pipe, is used for to water tank 11 automatic supplementing water; Controller 3 is provided with control line and is connected with motor 4, entering water electromagnetic valve 25 and water level switch 26; Water tank 11 is provided with water filter 24 and thimerosal injection device 33, and water filter 24 is used for purifying filtered water 19, and thimerosal injection device 33 is used for injecting thimerosal to filtered water 19; Air inlet 9 is provided with safety net 36, is used for preventing that foreign matter from entering in the shell 2.
In order to prevent being provided with water proof net 21 between shutter 8 and the air outlet 10 in filtered water 19 inlet chambers, be used for isolating the water that is entered by shutter 8, water proof net 21 is positioned at air outlet 10 the insides, and water proof net 21 is connected with shell 2; The filtered water 19 that is absorbed by water proof net 21 is by water proof net 21 reflow tanks 11.
For purifying filtered water 19, water tank 11 includes foul water tank 22 and clear water tanks 23, be provided with water filter 24 between foul water tank 22 and the clear water tanks 23, be used for circularly purifying filtered water 19, absorbed the filtered water 19 of dust and PM2.5 by shutter 8, flow to foul water tank 22 by shutter 8, after water filter 24 filters, flow to clear water tanks 23, recycle.
For the water level of controlling water tank 11 and to water tank 11 supplementing water, water tank 11 is provided with entering water electromagnetic valve 25 and water level switch 26, controller 3 is provided with lead and is connected with entering water electromagnetic valve 25 and water level switch 26, the water supply connector 27 of entering water electromagnetic valve 25 is connected with running water, and the water out adapter 28 of entering water electromagnetic valve 25 is connected with clear water tanks 23.
Form filtration cascade 20 in order to be implemented on shutter 8, shutter 8 is provided with a plurality of blades 29, leave the gap between each blade 29, filtration cascade 20 flows to last blade 31 by first blade 30 on shutter 8 tops, form a gap cascade 32 between each blade 29, filter cascade 20 and be made of a plurality of gaps cascade 32, each gap cascade 32 is between adjacent vanes 29.
In order to make filtered water 19 have the effect of sterilization, water tank 11 is connected with thimerosal injection device 33, thimerosal injection device 33 includes hopper 34 and pipeline 35, hopper 34 is communicated with pipeline 35, pipeline 35 is communicated with water tank 11, funnel 34 is positioned at air outlet 10 next doors, is used for thimerosal is imported water tank 11, makes filtered water 19 have the function of sterilization and sterilization.
In order to implement the function that bi-directional venting is fanned 37 exhausts and bled, fan blade 5 is two-way axial-flow leaf, air inlet 9 and air outlet 10 by shell 2 and shell 2 constitute an axial flow air channel, when motor 4 is just changeing, the flow direction of wind is for to flow to air outlet 10 by air inlet 9, during motor 4 counter-rotatings, the flow direction of wind is for to flow to air inlet 9 by air outlet 10.
In order to strengthen filtering the filter effect of cascade 20, shutter 8 is the staged shutter, each blade 29 of shutter 8 constitutes a ladder with the blade 29 of adjacent top, and each blade 29 arrives the distance of air outlet 10 greater than blade in adjacent top 29 to the distance of air outlet 10; Each blade 29 forms a gap cascade 32 with the blade 29 of adjacent top, each gap cascade 32 arrives the distance of air outlet 10 greater than gap, adjacent top cascade 32 to the distance of air outlet 10, a plurality of gaps cascade 32 constitutes stepped filtration cascade 20, make fresh air can pass through to filter cascade 20, also make simultaneously filtration cascade 20 be difficult for being blown to four winds, keep its filter effect.
The operation principle of PM2.5 ventilation fan device is: during use, PM2.5 ventilation fan device is installed on the wall in room, and the air outlet 10 that makes shell 2 is positioned at an indoor side, air inlet 9 is positioned at an outdoor side, utilize controller 3 its filters 1 of control directly to be discharged to indoor air indoor, then, outdoor fresh air is indoor by its filter 1 filtration back introducing, so constantly circulate; During by outdoor introducing fresh air, controller 3 control motors 4 are just changeing, motor 4 drives fan blade 5 and water pump 6 is just changeing, the filtered water 19 of water tank 11 is evacuated to cascade shower nozzle 7 by water pump 6, be sprayed onto shutter 8 by cascade shower nozzle 7, filtered water 19 flows to the bottom by the top of shutter 8, and filtered water 19 forms one at shutter 8 and filters cascade 20; Simultaneously, fan blade 5 is just changeing, and by air inlet 9 suction, fresh air filters the back by in air outlet 10 inlet chambers through the filtration cascade 20 of shutter 8 with outdoor fresh air, utilizes and filters dust and the PM2.5 that cascade 20 absorbs in the fresh air; Indoor air is discharged when indoor 4 counter-rotatings of controller 3 control motors, the gearing of can not reversing of unidirectional transmission coupling 15, water pump 6 does not rotate, 4 in motor drives fan blade 5 counter-rotatings, and indoor air is entered by air outlet 10, and room air is discharged to outdoor by shutter 8 through air inlet 9.
For forming, the shutter 8 that is implemented on air inlet 9 filters cascade 20, utilize and filter dust and the PM2.5 that cascade 20 absorbs air, the flow direction of the filtration cascade 20 of cascade shower nozzle 7 ejections is for being flowed to the bottom of shutter 8 by the top of shutter 8, the bottom by shutter 8 flows into water tank 11 again; Outdoor fresh air is by air inlet 9 suction, behind the blade 29 and 32 filtrations of the gap cascade between the blade 29 through shutter 8, in the inlet chamber.
In order to control the time that motor 4 is just changeing and reversing, controller 3 is provided with the time relay, and the time that control motor 4 is just changeing and reversing, the ratio of the time that motor 4 is just changeing and the time of counter-rotating is 4: 1.
In order to control the water level of water tank 11, when the water level of water tank 11 was lower than the position of water level switch 26, water level switch 26 was transferred to controller 3 with its signal, and controller 3 control entering water electromagnetic valves 25 are opened, and running water enters water tank 11; When the water level of water tank 11 was higher than the position of water level switch 26, water level switch 26 was transferred to device 3 processed with signal, and controller 3 control entering water electromagnetic valves 25 are closed, and water inlet stops.