CN112963928A - Fresh air purification unit with self-cleaning function and control method - Google Patents
Fresh air purification unit with self-cleaning function and control method Download PDFInfo
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- CN112963928A CN112963928A CN202110299122.5A CN202110299122A CN112963928A CN 112963928 A CN112963928 A CN 112963928A CN 202110299122 A CN202110299122 A CN 202110299122A CN 112963928 A CN112963928 A CN 112963928A
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- filter screen
- air
- self
- storage bin
- cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
Abstract
The invention provides a fresh air purification unit with a self-cleaning effect and a control method thereof, wherein the fresh air purification unit comprises a self-cleaning system, the self-cleaning system comprises a booster pump, a total water storage bin, an upper water storage bin, a high-pressure spray nozzle, an upper sealing head, an upper cleaning spray nozzle, a connecting pipe, a lower cleaning spray nozzle, a lower sealing head, a lower water storage bin and a sewage tank, the filter screen is positioned between the upper sealing head and the lower sealing head, the total water storage bin is directly connected with the upper water storage bin, the lower water storage bin is connected with the total water storage bin through the connecting pipe, the high-pressure spray nozzle extends into the filter screen, the upper cleaning spray nozzle is positioned on two sides of the upper part of the filter screen and is connected with the upper water storage bin through a water pipe, the lower cleaning spray nozzle is positioned on two sides of the lower. The fresh air purification unit with the self-cleaning function and the control method have the advantages of simplicity in operation, convenience in maintenance, no need of replacing consumables and the like.
Description
Technical Field
The invention belongs to the technical field of fresh air purification, and particularly relates to a fresh air purification unit with a self-cleaning function and a control method.
Background
Modern people living in towns spend an average of more than 80% of their time indoors per day. Relevant studies have shown that most indoor air pollution indexes are 5-10 times higher than outdoor air pollution indexes. Indoor air pollution has become a cause of many diseases. Therefore, the fresh air purifying unit is widely adopted in various residential buildings and public buildings. However, in the use process of various types of fresh air purification units, PM2.5 particles, microorganisms and the like in the air are intercepted by the filter screen of the fresh air purification unit, and as the amount of treatment gas of the fresh air purification unit is large, dust particles on the filter screen are rapidly accumulated, resistance is increased, and problems of vibration, energy consumption increase and the like of the fresh air purification unit are caused. Therefore, the filter screen of the air intake purification unit needs to be frequently cleaned or replaced, the filter screen is taken down, the filter screen is cleaned by a high-pressure water gun and then dried and then put into the fresh air purification unit, the time required for each cleaning period is long, the fresh air purification unit is frequently disassembled, assembled and maintained, and the service life is shortened. In addition, present fresh air purification unit's filter screen is mostly non-woven fabrics material, washs its intensity and filtration efficiency after several times repeatedly and descends rapidly, can only change, and use cost is higher.
Disclosure of Invention
In order to solve the technical problems, the invention discloses a fresh air purification unit with a self-cleaning effect and a control method, and the fresh air purification unit has the advantages of simplicity in operation, convenience in maintenance, no need of replacing consumables and the like.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a fresh air purification unit with a self-cleaning function comprises a shell, an ion generating device, a fan, a first air valve, a second air valve, a filter screen, a self-cleaning system and a controller, wherein the shell comprises an air inlet, a pre-filter screen, a moisture outlet valve and an air outlet, the pre-filter screen, the fan, the first air valve, the filter screen and the second air valve are sequentially arranged inside the shell along the air flowing direction, the filter screen is a metal wire mesh filter and is formed by stacking metal wires, and an electric heating device is arranged in the filter screen;
self-cleaning system includes booster pump, total reservoir, goes up reservoir, high pressure nozzle, goes up sealed head, goes up and washs shower nozzle, connecting pipe, washs the shower nozzle down, lower sealed head, lower reservoir, effluent water sump, the filter screen is located between sealed head and the lower sealed head, total reservoir is direct to be connected with last reservoir, the reservoir passes through the connecting pipe down and is connected with total reservoir, high pressure nozzle stretches into inside the filter screen, it is located filter screen upper portion both sides to go up the shower nozzle, leads to pipe and last reservoir and is connected, it is located filter screen lower part both sides to wash the shower nozzle down, leads to pipe and is connected with lower reservoir, the effluent water sump is located the casing of filter screen lower part, and it has the sewage outlet to open.
Furthermore, the ion generating device is a negative ion generator or a plasma generator, and comprises an ion generating end and a high-voltage power supply.
Furthermore, the first air valve, the second air valve and the moisture outlet air valve are electric or pneumatic air valves and are connected with the controller through signal lines.
Furthermore, the thickness of the filter screen is 2-10cm, the diameter of the metal wire is 0.01-1mm, and the electric heating devices are evenly distributed in the filter screen and connected with the controller 8 through a lead.
Furthermore, the booster pump and the total water storage bin are located outside the shell, and the upper water storage bin and the lower water storage bin are located inside the shell.
The operation method of the fresh air purification unit with the self-cleaning function is characterized by comprising the following steps of:
firstly, air is pretreated, outdoor air a enters a fresh air purification unit from an air inlet, enters an ionizer area after being preliminarily filtered by a prefilter screen, particulate matters in the air are condensed under the action of ions, and pretreated air b is obtained by a fan;
step two, air filtration, wherein the pretreated air b passes through a first air valve, is filtered by a filter screen and then is discharged from an air outlet;
step three, self-cleaning, wherein after working for a certain time, the first air valve and the second air valve are closed, the fan is shut down, the booster pump is started, high-pressure water is injected into the main water storage bin, the high-pressure water in the main water storage bin enters the upper water storage bin and the lower water storage bin, dust contained in the filter screen is washed through the high-pressure spray head, the surface of the filter screen is washed through the upper cleaning spray head and the lower cleaning spray head, and washing wastewater enters the sewage tank to be discharged;
and step four, drying, wherein after the filter screen is dried for a certain time, the high-pressure water pump is closed, the first air valve and the moisture outlet valve are opened, the second air valve is kept closed, the fan and the heating device are opened, the moisture in the filter screen is evaporated through the heating device, the wet air d is discharged through the moisture outlet valve under the action of the fan, and after the filter screen is dried, the second air valve is opened and the moisture outlet valve is closed.
Further, the water pressure in the total water storage bin in the third step is maintained at 0.3-1MPa, the flow of the high-pressure spray nozzle is 1-3L/min, and the flow of the upper cleaning spray nozzle and the lower cleaning spray nozzle is 0.5-2L/min.
Further, in the fourth step, the self-cleaning time is 5-10 min.
When the fresh air purification unit with the self-cleaning function purifies fresh air, large particles such as flying flocs are removed through the pre-filter screen, then ion flow is released through the ion generator, fine particles in the air are condensed and changed into particles with larger diameters, the filter screen is accumulated by adopting a metal wire mesh, on the premise that pollutants such as PM2.5 are intercepted efficiently, the strength and the efficiency are not influenced by repeated cleaning, an electric heating device is arranged in the filter screen, and the filter screen is dried rapidly under the action of electric heating and a fan after being cleaned. The high pressure nozzle of the self-cleaning system goes deep into the filter screen, dust in the filter screen can be effectively washed, and the cleaning nozzles arranged up and down can effectively remove dust on the surfaces of the two sides of the filter screen. First blast gate and second blast gate are closed at the cleaning process, make the filter screen be in independent space, can prevent that cleaning process in-process liquid from getting into other parts of fresh air purification unit.
Drawings
FIG. 1 is a schematic view of a fresh air purification unit with a self-cleaning function according to the present invention;
figure 2 is a schematic diagram of a self-cleaning system according to the present invention.
The device comprises a shell 1, an ion generating device 2, a fan 3, a first air valve 4, a second air valve 5, a filter screen 6, a self-cleaning system 7, a controller 8, an air inlet 101, a pre-filter screen 102, a moisture outlet valve 103, an air outlet 104, an ion generating end 201, a high-voltage power supply 202, an electric heating device 601, a booster pump 701, a total water storage bin 702, an upper water storage bin 703, a high-voltage spray head 704, an upper sealing head 705, an upper cleaning spray head 706, an upper cleaning spray head 707, a lower cleaning spray head 708, a lower sealing head 709, a lower water storage bin 710 and a sewage tank 711.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1 and fig. 2, a fresh air purification unit with a self-cleaning function includes a housing 1, an ion generating device 2, a fan 3, a first air valve 4, a second air valve 5, a filter screen 6, a self-cleaning system 7, and a controller 8, where the housing 1 includes an air inlet 101, a pre-filter screen 102, a moisture outlet valve 103, and an air outlet 104, and the pre-filter screen 102, the fan 3, the first air valve 4, the filter screen 6, and the second air valve 5 are sequentially inside the housing along a gas flow direction; the first air valve 4, the second air valve 5 and the moisture outlet air valve 103 are electric or pneumatic air valves and are connected with the controller 8 through signal lines; the ion generating device 2 is an anion generator or a plasma generator, and comprises an ion generating end 201 and a high-voltage power supply 202; the filter screen 6 is a metal wire mesh filter and is formed by stacking metal wires, an electric heating device 601 is arranged in the filter screen 6, and the electric heating devices 601 are evenly distributed in the filter screen 6 and are connected with the controller 8 through leads; the self-cleaning system 7 comprises a booster pump 701, a total water storage bin 702, an upper water storage bin 703, a high-pressure spray nozzle 704, an upper sealing head 705, an upper cleaning spray nozzle 706, a connecting pipe 707, a lower cleaning spray nozzle 708, a lower sealing head 709, a lower water storage bin 710 and a sewage tank 711, wherein the strainer 6 is positioned between the upper sealing head 705 and the lower sealing head 709; the booster pump 701 and the total water storage bin 702 are positioned outside the shell 1, and the upper water storage bin 703 and the lower water storage bin 710 are positioned inside the shell 1; total reservoir 702 directly is connected with last reservoir 703, reservoir 710 is connected with total reservoir 702 through connecting pipe 707 down, high pressure nozzle 704 stretches into inside the filter screen 6, it is located filter screen 6 upper portion both sides to go up washing shower nozzle 706, leads to pipe and last reservoir 703 and is connected, wash shower nozzle 708 down and be located filter screen 6 lower part both sides, lead to pipe and be connected with reservoir 710 down, bilge tank 711 is located on the casing 1 of filter screen 6 lower part, and it has the sewage export to open.
In some embodiments, the screen 6 has a thickness of 2-10cm and the wire diameter is 0.01-1 mm.
The operation method of the fresh air purification unit with the self-cleaning function comprises the following steps:
firstly, air is pretreated, outdoor air a enters a fresh air purification unit from an air inlet 101, enters an area of an ion generator 2 after being preliminarily filtered by a prefilter screen 102, particulate matters in the air are coagulated under the action of ions, and pretreated air b is obtained by a fan 3;
step two, air filtration, wherein the pretreated air b passes through the first air valve 4, is filtered by the filter screen 6 and is discharged from the air outlet 104;
step three, self-cleaning, after working for a certain time, closing the first air valve 4 and the second air valve 5, shutting down the fan 3, starting the booster pump 701, injecting high-pressure water into the main water storage bin 702, allowing the high-pressure water in the main water storage bin 702 to enter the upper water storage bin 703 and the lower water storage bin 710, flushing dust contained in the filter screen 6 through the high-pressure spray nozzle 704, flushing the surface of the filter screen 6 through the upper cleaning spray nozzle 706 and the lower cleaning spray nozzle 708, and discharging flushing wastewater into the sewage tank 711;
and step four, drying, wherein after self-cleaning for a certain time, the high-pressure water pump 701 is closed, the first air valve 4 and the moisture outlet valve 103 are opened, the second air valve 5 is kept closed, the fan 3 and the heating device 601 are opened, moisture in the filter screen 6 is evaporated through the heating device 601, wet air d is discharged through the moisture outlet valve 103 under the action of the fan 3, and after the filter screen 4 is dried, the second air valve 5 is opened and the moisture outlet valve 103 is closed.
In some embodiments, the water pressure in the total water storage bin 702 in the third step is maintained at 0.3-1MPa, the flow rate of the high pressure nozzle 704 is 1-3L/min, and the flow rates of the upper cleaning nozzle 706 and the lower cleaning nozzle 708 are 0.5-2L/min.
In some embodiments, the self-cleaning time in step four is 5-10 min.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention should be regarded as the scope of the present invention to those skilled in the art.
Claims (8)
1. A fresh air purification unit with a self-cleaning function is characterized by comprising a shell, an ion generating device, a fan, a first air valve, a second air valve, a filter screen, a self-cleaning system and a controller, wherein the shell comprises an air inlet, a pre-filter screen, a moisture outlet valve and an air outlet, the pre-filter screen, the fan, the first air valve, the filter screen and the second air valve are sequentially arranged in the shell along the air flowing direction, the filter screen is a metal wire mesh filter and is formed by stacking metal wires, and an electric heating device is arranged in the filter screen;
self-cleaning system includes booster pump, total reservoir, goes up reservoir, high pressure nozzle, goes up sealed head, goes up and washs shower nozzle, connecting pipe, washs the shower nozzle down, lower sealed head, lower reservoir, effluent water sump, the filter screen is located between sealed head and the lower sealed head, total reservoir is direct to be connected with last reservoir, the reservoir passes through the connecting pipe down and is connected with total reservoir, high pressure nozzle stretches into inside the filter screen, it is located filter screen upper portion both sides to go up the shower nozzle, leads to pipe and last reservoir and is connected, it is located filter screen lower part both sides to wash the shower nozzle down, leads to pipe and is connected with lower reservoir, the effluent water sump is located the casing of filter screen lower part, and it has the sewage outlet to open.
2. The fresh air purification unit with the self-cleaning function as claimed in claim 1, wherein the ion generating device is an anion generator or a plasma generator, and comprises an ion generating terminal and a high voltage power supply.
3. The fresh air purification unit with self-cleaning function as claimed in claim 1, wherein the first air valve, the second air valve and the moisture outlet air valve are electric or pneumatic air valves and are connected with the controller through signal lines.
4. The fresh air purifying unit with self-cleaning function as claimed in claim 1, wherein the thickness of the filter screen is 2-10cm, the diameter of the metal wire is 0.01-1mm, and the electric heating devices are evenly distributed in the filter screen and connected with the controller 8 through wires.
5. The fresh air purifying unit with the self-cleaning function as claimed in claim 1, wherein the booster pump and the total water storage bin are located outside the casing, and the upper water storage bin and the lower water storage bin are located inside the casing.
6. An operating method of a fresh air purification unit with a self-cleaning function as claimed in claims 1 to 5, characterized by comprising the following steps:
firstly, air is pretreated, outdoor air a enters a fresh air purification unit from an air inlet, enters an ionizer area after being preliminarily filtered by a prefilter screen, particulate matters in the air are condensed under the action of ions, and pretreated air b is obtained by a fan;
step two, air filtration, wherein the pretreated air b passes through a first air valve, is filtered by a filter screen and then is discharged from an air outlet;
step three, self-cleaning, wherein after working for a certain time, the first air valve and the second air valve are closed, the fan is shut down, the booster pump is started, high-pressure water is injected into the main water storage bin, the high-pressure water in the main water storage bin enters the upper water storage bin and the lower water storage bin, dust contained in the filter screen is washed through the high-pressure spray head, the surface of the filter screen is washed through the upper cleaning spray head and the lower cleaning spray head, and washing wastewater enters the sewage tank to be discharged;
and step four, drying, wherein after the filter screen is dried for a certain time, the high-pressure water pump is closed, the first air valve and the moisture outlet valve are opened, the second air valve is kept closed, the fan and the heating device are opened, the moisture in the filter screen is evaporated through the heating device, the wet air d is discharged through the moisture outlet valve under the action of the fan, and after the filter screen is dried, the second air valve is opened and the moisture outlet valve is closed.
7. The operation method of the fresh air purification unit according to claim 6, wherein the water pressure in the total water storage bin in the third step is maintained at 0.3-1MPa, the flow rate of the high-pressure nozzle is 1-3L/min, and the flow rates of the upper cleaning nozzle and the lower cleaning nozzle are 0.5-2L/min.
8. The method of operating a fresh air purification unit according to claim 6, wherein in the fourth step, the self-cleaning time is 5-10 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299122.5A CN112963928A (en) | 2021-03-20 | 2021-03-20 | Fresh air purification unit with self-cleaning function and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299122.5A CN112963928A (en) | 2021-03-20 | 2021-03-20 | Fresh air purification unit with self-cleaning function and control method |
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| CN112963928A true CN112963928A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110299122.5A Pending CN112963928A (en) | 2021-03-20 | 2021-03-20 | Fresh air purification unit with self-cleaning function and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115560420A (en) * | 2022-10-11 | 2023-01-03 | 东莞市金鸿盛电器有限公司 | Air purifier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501346B (en) * | 2015-01-12 | 2017-02-22 | 周虎 | Novel rain-effect air blower |
| CN108954598A (en) * | 2018-08-30 | 2018-12-07 | 山东帅迪医疗科技有限公司 | Plasma Composite type air dewetting purifying sterilizing equipment and control method |
| CN209108774U (en) * | 2018-06-06 | 2019-07-16 | 湖南鑫实伟业环保科技有限公司 | A kind of automatically cleaning Fresh air handling units filtering module |
| CN211625486U (en) * | 2019-11-01 | 2020-10-02 | 苏州智允机电系统集成科技有限公司 | Filter device for heating and ventilating air conditioner |
-
2021
- 2021-03-20 CN CN202110299122.5A patent/CN112963928A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501346B (en) * | 2015-01-12 | 2017-02-22 | 周虎 | Novel rain-effect air blower |
| CN209108774U (en) * | 2018-06-06 | 2019-07-16 | 湖南鑫实伟业环保科技有限公司 | A kind of automatically cleaning Fresh air handling units filtering module |
| CN108954598A (en) * | 2018-08-30 | 2018-12-07 | 山东帅迪医疗科技有限公司 | Plasma Composite type air dewetting purifying sterilizing equipment and control method |
| CN211625486U (en) * | 2019-11-01 | 2020-10-02 | 苏州智允机电系统集成科技有限公司 | Filter device for heating and ventilating air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115560420A (en) * | 2022-10-11 | 2023-01-03 | 东莞市金鸿盛电器有限公司 | Air purifier |
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Application publication date: 20210615 |