CN111960568A - Automatic cleaning filter and use method thereof - Google Patents
Automatic cleaning filter and use method thereof Download PDFInfo
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- CN111960568A CN111960568A CN202010761310.0A CN202010761310A CN111960568A CN 111960568 A CN111960568 A CN 111960568A CN 202010761310 A CN202010761310 A CN 202010761310A CN 111960568 A CN111960568 A CN 111960568A
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- water
- pipe
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- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 238000005406 washing Methods 0.000 claims abstract description 5
- 241000272525 Anas platyrhynchos Species 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 2
- 239000000645 desinfectant Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 241000555745 Sciuridae Species 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the field of water quality purification equipment, and discloses an automatic cleaning filter, which comprises a filter cylinder, a filter top cover, a filter bottom cover, a filter water outlet pipe, a filter water inlet pipe, a filter blow-off pipe, a filter element arranged in the filter cylinder and a cleaning device, wherein the cleaning device comprises an impeller arranged above the filter element and a strip-shaped brush arranged outside the filter element and used for washing; the method comprises the following steps of; an impeller driving water inlet is formed in the filter top cover and positioned at the impeller accessory, and the impeller driving water inlet is used for driving the impeller to rotate; the impeller is fixedly connected with the strip-shaped brush.
Description
Technical Field
The invention relates to water quality purification equipment, in particular to an automatic cleaning filter and a using method thereof.
Background
People can select the tap water filter consisting of different filter elements according to different drinking water requirements, the process of preparing purified water by the tap water filter can be supervised in the whole process, and fresh purified water is prepared at any time and any place. With the improvement of the economic level of Chinese people and the maturity of the water purifier technology, the water purifier is accepted and used by more and more users.
The current filters generally have a function of automatic cleaning. Chinese utility model patent with application number CN201620143903X just discloses an impeller drive blowdown formula prefilter, set up a rotatory section of thick bamboo on the basis of current prefilter and set up impeller and guide plate isotructure through the below at a rotatory section of thick bamboo, thereby utilize the end of intaking from the main valve body to drive the impeller rotation from the rivers strength of blowoff valve and the produced vortex effect of the water conservancy diversion structure of guide plate when opening the blowoff valve, drive a rotatory section of thick bamboo in the impeller pivoted, and make the brush on the rotatory section of thick bamboo inside wall carry out 360 degrees scrubs to the filter screen under the drive of impeller, attachment on the filter screen outer wall is fallen in regular brush, the filter screen effect has effectively been accelerated and has been prevented simultaneously that the filter screen from fouling from receiving the dirt. And because the water flow is little, only have the eddy current effect of a small amount of water depending on inside, it is difficult to support current brush to overcome the water resistance and rotate and realize the brush power washing to the filter screen performance in aqueous. Therefore, the technology is not practically popularized and applied. The filter cannot automatically detect the pollution degree of the outer surface of the filter element, and can only be cleaned by manually opening the drain valve regularly. Meanwhile, the impeller is driven to rotate by the eddy effect generated by the flow guide structure, and when the brush brushes the filter screen, the cleaning speed is low due to insufficient power, so that the cleaning cannot be completed smoothly.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic cleaning filter which is provided with a pressure sensor, and when the pressure of a water outlet of a filter element is lower than a preset value, the pressure sensor indicates that the dirt on the outer surface of the filter element is too much, so that the water yield is reduced. The motor controls the valve to be automatically opened, drives the impeller and the squirrel cage driving frame to rotate, and then cleans the filter element.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an automatic cleaning filter comprises a filter cylinder body, a filter top cover, a filter bottom cover, a filter water outlet pipe, a filter water inlet pipe, a filter blow-off pipe, a filter element arranged in the filter cylinder body and a cleaning device, wherein the cleaning device comprises an impeller arranged above the filter element and a strip-shaped brush arranged outside the filter element and used for washing; the method comprises the following steps of; an impeller driving water inlet is formed in the filter top cover and positioned at the impeller accessory, and the impeller driving water inlet is used for driving the impeller to rotate; the impeller is fixedly connected with the strip-shaped brush.
Preferably, the filter element is arranged coaxially with the impeller; the filter element is characterized by also comprising a squirrel-cage driving frame sleeved outside the filter element, wherein the upper end of the squirrel-cage driving frame is fixed on a hub of the impeller and rotates along with the rotation of the impeller; the squirrel-cage driving frame is also provided with a plurality of strip-shaped brushes which are vertically arranged at intervals and are abutted against the filter element; a first electromagnetic valve is arranged on a water supply pipe of the impeller driving water inlet; a second electromagnetic valve is arranged on the water inlet pipe of the filter; a third electromagnetic valve is arranged on the filter blow-off pipe; a water outlet pressure sensor is arranged on the water outlet pipe of the filter; the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the water outlet pressure sensor are in electric signal connection with a processor.
Preferably, a water inlet pressure sensor is arranged at a water inlet of the filter water inlet pipe in the filter cylinder body, and the water inlet pressure sensor is in electric signal connection with the processor.
Preferably, a bearing is arranged on the filter bottom cover, and the lower end of the squirrel-cage drive frame abuts against the bearing.
Preferably, a plurality of strip-shaped brush pre-tightening springs are arranged at the joint of the squirrel-cage driving frame and the strip-shaped brushes.
Preferably, a water inlet duck tongue opening is arranged on the impeller driving water inlet, and the caliber of the water inlet duck tongue opening is smaller than that of the impeller driving water inlet.
Preferably, the filter element sealing O-shaped rings are arranged at the joints of the filter element and the filter top cover and the filter bottom cover.
Preferably, a filter emptying port is arranged on the filter top cover.
Preferably, a booster pump is arranged on a water supply pipe of the impeller driving water inlet, and the booster pump is electrically connected with the processor.
An automatic cleaning filter, its application method is: when the water pressure value measured by a water outlet pressure sensor arranged at a water outlet is lower than a set value of 0.1MPa, a flood number is transmitted to a processor, under the indication of the processor, a water inlet pipe of a filter is closed, a water outlet pipe of the filter is closed, a drain pipe of the filter is opened, a drain hole of the filter is opened, and accumulated water in the filter is drained; the impeller drives a valve of the water inlet to be opened, water impacts the impeller through the water inlet duck tongue mouth to enable the impeller to rotate, and the impeller drives the squirrel-cage driving frame to rotate, so that the strip-shaped brush fixed on the squirrel-cage driving frame is driven to rotate along the circumferential direction, and dirt on the surface of the filter element is cleaned; water is guided by an inner outlet of the impeller and flows downwards vertically along the outer surface of the filter element, meanwhile, the strip-shaped brush cleans the surface of the filter element, and the cleaned sewage is discharged through a drain pipe of the filter; after cleaning, the filter blow-off pipe and the impeller drive the water inlet and the filter emptying port to be closed, and the filter water inlet pipe and the filter water outlet pipe are opened to carry out filtering work.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic cleaning filter, which has the following beneficial effects:
1. this self-cleaning filter through setting up pressure sensor and play water pressure sensor, can record the pressure differential of water inlet and delivery port two at any time, and whether the treater automatic calculation goes out the mud excess on the filter core to carry out self-cleaning to the filter core.
2. The strip-shaped brush pre-tightening spring is arranged on the strip-shaped brush of the automatic cleaning filter, so that the strip-shaped brush can be well in close contact with the filter element, and the cleaning effect is improved.
3. The bearing is arranged on the filter bottom cover of the automatic cleaning filter, so that the stability of the squirrel-cage driving frame during rotation can be improved, the squirrel-cage driving frame is ensured not to generate relative displacement in high-speed rotation, instrument faults are avoided, and the service life of the filter is prolonged.
4. This self-cleaning filter utilizes the duck tongue mouth that intakes to erupt to the impeller along tangential direction's rivers, converts the rotary power of impeller into with the biggest impulsive force, ensures the operation that the bar brush on the squirrel-cage drive frame can be stable fast.
5. The automatic cleaning filter is provided with a filter emptying port; when the cleaning device is used for cleaning, accumulated water in the filter is emptied firstly, so that the phenomenon that the accumulated water generates resistance to the rotation of the squirrel-cage type driving frame and influences the cleaning effect of the filter element strip brush on the outer surface of the filter element is avoided.
6. The automatic cleaning filter is provided with a disinfectant input port, and a user can inject disinfectant into the filter to kill bacteria, viruses and algae in the filter.
7. The automatic cleaning filter is provided with the booster pump, when the processor detects that the rotating speed of the impeller is low, the work of the booster pump is controlled to improve the water spraying amount of the water inlet duck tongue mouth to the impeller, and therefore the rotation of the squirrel-cage type driving frame and the strip-shaped brush is improved.
Drawings
FIG. 1 is a schematic view of an automatic cleaning filter according to the present invention;
FIG. 2 is a top view of a self-cleaning filter according to the present invention;
FIG. 3 is a schematic view of the mounting of the squirrel cage drive frame and the bar brushes of the present invention;
FIG. 4 is a schematic view of a strip brush of the present invention;
FIG. 5 is a schematic view of the squirrel cage drive frame of the present invention;
fig. 6 is a schematic view of an impeller of the present invention.
In the figure: 1. a water outlet pipe of the filter; 2. a filter top cover; 3. an impeller; 4. an impeller brake pin; 5. a flow guide ring; 6. a squirrel cage drive frame; 7. a strip-shaped brush; 8. a filter cylinder; 9. a strip-shaped brush positioning pin; 10. the strip-shaped brush pre-tensions the spring; 11. a filter bottom cover; 12. a filter blow-off pipe; 13. a water inlet pipe of the filter; 14. a filter element; 15. the filter element seals the O-shaped ring; 16. a filter element is pressed on the cover; 17. the impeller drives the water inlet; 18. a filter drain; 19. a water inlet pressure sensor; 20. a water outlet pressure sensor; 21. The mouth of the duck tongue is filled with water; 22. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the automatic cleaning filter of the present embodiment includes a filter cylinder 8, a filter top cover 2, a filter bottom cover 11, a filter outlet pipe 1, a filter inlet pipe 13, a filter blow-off pipe 12, and a filter element 14 located at the center inside the filter cylinder 8, wherein an impeller 3 is coaxially disposed at the top end of the filter element 14; the squirrel-cage type filter is characterized by further comprising a squirrel-cage type driving frame 6 which is arranged outside the filter element 14 in a sleeved mode, the upper end of the squirrel-cage type driving frame 6 is fixed to a hub of the impeller 3, and the impeller is further provided with an impeller brake pin 4 which rotates along with the rotation of the impeller 3; the squirrel-cage driving frame 6 is also provided with a plurality of strip-shaped brushes 7 which are vertically arranged at intervals, and the strip-shaped brushes 7 are abutted against the filter element 14; an impeller driving water inlet 17 is arranged on the side surface of the filter top cover 2, and a first electromagnetic valve is arranged on a water supply pipe of the impeller driving water inlet 17; a second electromagnetic valve is arranged on the filter water inlet pipe 13; a third electromagnetic valve is arranged on the filter blow-off pipe 12; a water outlet pressure sensor 20 is arranged on the water outlet pipe 1 of the filter; the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the water outlet pressure sensor 20 are connected with a processor through electric signals, the processor and the controller are integrated on the filter top cover 2, and a control panel is arranged for operation and can be set to be in infrared remote control if needed.
Furthermore, in order to eliminate the reduction of municipal water pressure and cause errors in judgment of the processor (the filter element is mistakenly polluted to cause the pressure at the water outlet to be reduced), a water inlet pressure sensor 19 is arranged at the water inlet of the filter water inlet pipe 13 in the filter cylinder 8, and the water inlet pressure sensor 19 is in electric signal connection with the processor; the water inlet pressure sensor 19 and the water outlet pressure sensor 20 work cooperatively, when the municipal water pressure is reduced, the water pressures at the two positions of the water inlet pressure sensor 19 and the water outlet pressure sensor 20 are reduced simultaneously, and the processor does not control the impeller to drive the water inlet 17 to work; when the sludge on the outer surface of the filter element is increased, the water pressure at the position of the water outlet pressure sensor 20 is reduced, and the water pressure at the position of the water inlet pressure sensor 19 is unchanged, the processor judges that the filter element 14 is seriously polluted, and controls the impeller to drive the water inlet 17 to work, so that the impeller 3 and the squirrel-cage drive frame 6 start to rotate to clean the filter element 14.
Furthermore, a bearing 22 is arranged on the filter bottom cover 11, and the lower end of the squirrel-cage driving frame 6 abuts against the bearing 22, so that the stability of the squirrel-cage driving frame 6 during rotation can be improved, the squirrel-cage driving frame 6 is ensured not to generate relative displacement during high-speed rotation, instrument faults are avoided, and the service life of the filter is prolonged.
Furthermore, a plurality of strip-shaped brush pre-tightening springs 10 are arranged at the joint of the squirrel-cage driving frame 6 and the strip-shaped brushes 7; after long-time brushing, the strip-shaped brush pre-tightening spring 10 can also ensure that the front end of the strip-shaped brush 7 is fully contacted with the filter element 14, so that the outer wall of the filter element 14 is effectively cleaned for a long time; a strip-shaped brush positioning pin 9 is further arranged on one side, close to the filter cylinder 8, of the strip-shaped brush pre-tightening spring 10 and used for assisting the circular motion of the strip-shaped brush 7.
Further, a water inlet duck tongue mouth 21 is arranged on the impeller driving water inlet 17, the caliber of the water inlet duck tongue mouth 21 is smaller than that of the impeller driving water inlet 17, and the water inlet duck tongue mouth 21 is arranged along the tangential direction of the axis of the impeller 3; because the water in the filter is emptied before the washing, the water flow sprayed by the water inlet duck tongue mouth 21 directly washes the blades of the impeller 3 without any accumulated water or blocked by equipment; the water flow impact force is converted into the power for rotating the impeller 3, the bar-shaped brush 7 on the squirrel-cage type driving frame 6 can be rapidly and stably operated, and therefore the outer wall of the filter element 14 can be cleaned.
Furthermore, filter element sealing O-shaped rings 15 are arranged at the joints of the filter element 14, the filter top cover 2 and the filter bottom cover 11, so that the integral tightness of the filter is ensured, and the water seepage and leakage phenomena are prevented; and a filter element upper gland 16 is arranged outside the filter element sealing O-shaped ring 15.
Further, a filter emptying port 18 is arranged on the filter top cover 2; before cleaning, the filter drain 18 and the filter drain 12 are opened to remove the accumulated water from the filter.
Further, a disinfectant input port is arranged on the top cover 2 of the filter; a bottle filled with hypochlorous acid solution is detachably connected to the disinfectant input port.
Furthermore, a booster pump is arranged on a water supply pipe of the impeller driving water inlet 17, the booster pump is electrically connected with the processor, and the power of the booster pump is adjustable.
In another embodiment, a rotating speed sensor is arranged at the impeller 3 and is in electrical signal connection with the processor; when cleaning is carried out, if the power provided by the impeller driving water inlet 17 is insufficient, the rotating speed sensor detects that the rotating speed of the impeller 3 is too slow, namely the speed for cleaning the outer surface of the filter element 14 is low; the booster pump works, and the power of the booster pump can be adjusted according to the rotating speed of the impeller 3 at the moment, so that the rotating speed of the impeller 3 is maintained in a reasonable range, and the cleaning task can be finished within a specified time.
The use method of the automatic cleaning filter comprises the following steps: when the water pressure value measured by a water outlet pressure sensor 20 arranged at a water outlet is lower than a set value of 0.1MPa, a flood number is transmitted to the processor, under the indication of the processor, a filter water inlet pipe 13 is closed, a filter water outlet pipe 1 is closed, a filter sewage discharge pipe 12 is opened, a filter emptying port 18 is opened, and accumulated water in the filter is emptied; the impeller drives the valve of the water inlet 17 to be opened, water impacts the impeller 3 through the water inlet duck tongue mouth 21 to enable the impeller 3 to rotate, the impeller 3 drives the squirrel-cage driving frame 6 to rotate, and therefore the strip-shaped brush 7 fixed on the squirrel-cage driving frame 6 is driven to rotate along the circumferential direction, and dirt on the surface of the filter element 14 is cleaned; the water supply pipe of the impeller driving water inlet 17 is communicated with the booster pump, when the water pressure of the impeller driving water inlet 17 is insufficient and the rotating speed of the impeller 3 is slow, the booster pump can increase the water inlet pressure, so that the rotating speed of the impeller 3 is increased, and the brushing speed of the strip-shaped brush 7 is increased; the water is guided by the guide ring 5 in the impeller 3 and vertically flows downwards along the outer surface of the filter element 14, meanwhile, the strip-shaped brush 7 cleans the surface of the filter element 14, and the cleaned sewage is discharged through the filter discharge pipe 12; at the moment, under the command of the processor, a proper amount of harmless disinfectant is injected through the filter emptying port 18 to disinfect the interior of the filter, and when the cleaning time reaches a set value, the cleaning time can be set according to the user condition, for example, the cleaning time is 3-5 minutes; after cleaning, the filter blow-off pipe 12 and the impeller driving water inlet 17 and the filter emptying port 18 are closed, and the filter water inlet pipe 13 and the filter water outlet pipe 1 are opened to perform filtering work.
The working principle of automatic cleaning is as follows: when the water pressure value measured by the water outlet pressure sensor 20 is lower than the normal value by 0.1MPa (the normal value of the water pressure of the water purifier is about 0.3MPa, and when the water pressure is lower than 0.2MPa, the water production amount of the filter is very small); the processor controls the first electromagnetic valve and the third electromagnetic valve to be opened, and closes the second electromagnetic valve; opening a filter emptying port 18 to empty accumulated water in the filter; opening a disinfectant input port to enable disinfectant (hypochlorous acid solution) to enter a filter; the driving water enters the water inlet duck tongue mouth 21 from the impeller driving water inlet 17 along the tangential direction of the filter cylinder 8, so that the impeller 3 is impacted, and the generated tangential thrust drives the impeller 3 to rotate; the impeller 3 drives the squirrel-cage driving frame 6 and the strip-shaped brush 7 to rotate, so that the sludge adsorbed on the outer surface of the filter element 14 is washed; water flows through the outer surface of the filter element 14 through the flow guide ring 5, flows down along the upper surface under the action of gravity, cleans and dilutes sludge under the action of the strip-shaped brush 7, and is discharged through the filter discharge pipe 12.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an automatic wash filter, includes filter barrel (8), filter top cap (2), filter bottom (11), filter outlet pipe (1), filter inlet tube (13), filter blow off pipe (12), sets up filter core (14) and the belt cleaning device in filter barrel (8), its characterized in that: the cleaning device comprises an impeller (3) arranged above the filter element (14) and a strip-shaped brush (7) which is arranged outside the filter element (14) and used for washing; the method comprises the following steps of; an impeller driving water inlet (17) is formed in the filter top cover (2) and is positioned at the position, close to the impeller (3), and the impeller driving water inlet (17) is used for driving the impeller (3) to rotate; the impeller (3) is fixedly connected with the strip-shaped brush (7).
2. The self-cleaning filter as recited in claim 1, wherein: the filter element (14) is coaxial with the impeller (3); the squirrel-cage type filter is characterized by further comprising a squirrel-cage type driving frame (6) sleeved outside the filter element (14), wherein the upper end of the squirrel-cage type driving frame (6) is fixed on a hub of the impeller (3) and rotates along with the rotation of the impeller (3); the squirrel-cage driving frame (6) is also provided with a plurality of strip-shaped brushes (7) which are vertically arranged at intervals, and the strip-shaped brushes (7) are abutted against the filter element (14); a first electromagnetic valve is arranged on a water supply pipe of the impeller driving water inlet (17); a second electromagnetic valve is arranged on the filter water inlet pipe (13); a third electromagnetic valve is arranged on the filter blow-off pipe (12); a water outlet pressure sensor (20) is arranged on the water outlet pipe (1) of the filter; the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the water outlet pressure sensor (20) are uniformly connected with a processor through electric signals.
3. The self-cleaning filter as recited in claim 2, wherein: a water inlet pressure sensor (19) is arranged at a water inlet of the filter water inlet pipe (13) in the filter cylinder body (8), and the water inlet pressure sensor (19) is in electric signal connection with the processor.
4. The self-cleaning filter as recited in claim 2, wherein: the filter bottom cover (11) is provided with a bearing (22), and the lower end of the squirrel-cage type driving frame (6) is abutted against the bearing (22).
5. The self-cleaning filter as recited in claim 2, wherein: and a plurality of strip-shaped brush pre-tightening springs (10) are arranged at the joint of the squirrel-cage driving frame (6) and the strip-shaped brushes (7).
6. The self-cleaning filter as recited in claim 1, wherein: the water inlet duck tongue mouth (21) is installed on the impeller driving water inlet (17), and the caliber of the water inlet duck tongue mouth (21) is smaller than that of the impeller driving water inlet (17).
7. The self-cleaning filter as recited in claim 2, wherein: and filter element sealing O-shaped rings (15) are arranged at the joints of the filter element (14) and the filter top cover (2) and the filter bottom cover (11).
8. The self-cleaning filter as recited in claim 2, wherein: the filter top cover (2) is provided with a filter emptying port (18).
9. The self-cleaning filter as recited in claim 2, wherein: and a booster pump is arranged on a water supply pipe of the impeller driving water inlet (17), and the booster pump is in electric signal connection with the processor.
10. An automatic cleaning filter according to any one of claims 1-9, using method is: when a water pressure value measured by a water outlet pressure sensor (20) arranged at a water outlet is lower than a set value of 0.1MPa, a flood number is transmitted to a processor, a filter water inlet pipe (13) is closed, a filter water outlet pipe (1) is closed, a filter sewage discharge pipe (12) is opened, a filter emptying port (18) is opened, and accumulated water in the filter is emptied; the impeller drives a valve of a water inlet (17) to be opened, water impacts the impeller (3) through a water inlet duck tongue opening (21) to enable the impeller to rotate, the impeller (3) drives the squirrel-cage type driving frame (6) to rotate, and therefore the strip-shaped brush (7) fixed on the squirrel-cage type driving frame (6) is driven to rotate in the circumferential direction, and dirt on the surface of the filter element (14) is cleaned; water is guided by an inner outlet of the impeller (3) and vertically flows downwards along the outer surface of the filter element (14), meanwhile, the strip-shaped brush (7) cleans the surface of the filter element (14), and the cleaned sewage is discharged through a filter blow-off pipe (12); after cleaning, the filter blow-off pipe (12), the impeller driving water inlet (17) and the filter emptying port (18) are closed, and the filter water inlet pipe (13) and the filter water outlet pipe (1) are opened to carry out filtering work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010761310.0A CN111960568A (en) | 2020-07-31 | 2020-07-31 | Automatic cleaning filter and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010761310.0A CN111960568A (en) | 2020-07-31 | 2020-07-31 | Automatic cleaning filter and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111960568A true CN111960568A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010761310.0A Pending CN111960568A (en) | 2020-07-31 | 2020-07-31 | Automatic cleaning filter and use method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113786653A (en) * | 2021-10-29 | 2021-12-14 | 珠海格力电器股份有限公司 | Water purification equipment and control method and control device thereof |
| CN113830925A (en) * | 2021-10-13 | 2021-12-24 | 易科捷(武汉)生态科技有限公司成都分公司 | Sewage separation treatment device for fish culture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113830925A (en) * | 2021-10-13 | 2021-12-24 | 易科捷(武汉)生态科技有限公司成都分公司 | Sewage separation treatment device for fish culture |
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| CN113786653A (en) * | 2021-10-29 | 2021-12-14 | 珠海格力电器股份有限公司 | Water purification equipment and control method and control device thereof |
| CN118388090A (en) * | 2024-06-21 | 2024-07-26 | 山东沂源瑞特自动化设备有限公司 | Self-cleaning non-negative pressure water purifying equipment |
| CN118388090B (en) * | 2024-06-21 | 2024-08-23 | 山东沂源瑞特自动化设备有限公司 | Self-cleaning non-negative pressure water purifying equipment |
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Application publication date: 20201120 |