CN115779545B

CN115779545B - Intelligent self-cleaning filter

Info

Publication number: CN115779545B
Application number: CN202310084050.1A
Authority: CN
Inventors: 杨刚保; 李良伟
Original assignee: Shengli Valve Co ltd
Current assignee: Shengli Valve Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-04-11
Anticipated expiration: 2043-02-09
Also published as: CN115779545A

Abstract

The invention belongs to the field of valves, and particularly relates to an intelligent self-cleaning filter which comprises a valve body, wherein a through hole is communicated between a liquid inlet and a liquid outlet, an electric driver is fixedly arranged on the inclined upper side of a fixed column, a threaded column is arranged at the output end of the electric driver, a valve rod is connected with the inclined lower side of the threaded column in a threaded manner, a plug block is fixedly arranged at the inclined lower end of the valve rod, a filter cylinder is fixedly arranged on the inclined upper side of the through hole, four fixed convex blocks are fixedly arranged on the inner side of the filter cylinder, a plurality of movable convex blocks are slidably arranged on the inner side of the filter cylinder, and a foldable annular filter screen is arranged between each fixed convex block and each movable convex block. The invention can be used for primarily filtering impurities through the annular filter screen, and the filter cylinder further filters the impurities; the first anti-blocking block is used for preliminarily dredging the filter cylinder, and then the first anti-blocking block is used for dredging the filter holes of the individual filter cylinder; preliminary mediation is carried out through annular filter screen is tensile and folding, and the filtration pore of annular filter screen is further dredged to the stifled ball is prevented to the rethread.

Description

Intelligent self-cleaning filter

Technical Field

The invention belongs to the field of valves, and particularly relates to an intelligent self-cleaning filter.

Background

The filter in the water supply and drainage pipe network is a clean water source device for removing solid particles, floating impurities, green water and the like in fluid, and can protect the normal work of a compressor, a pump, a meter and other equipment elements.

However, in the prior art, after the filter screen of the filter on the market is blocked; impurities on the filter screen cannot be well cleaned, the filter screen cannot be cleaned cleanly for a long time, and the filter is blocked by the solution, so that the use of the filter is influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an intelligent self-cleaning filter which can perform multiple filtration and can perform quick cleaning at the same time.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an intelligent self-cleaning filter, includes the valve body, one side of valve body is equipped with the inlet, the circumference outside cover of inlet is equipped with the feed liquor flange, the skew inlet one side of valve body is equipped with the leakage fluid dram, the circumference outside cover of leakage fluid dram is equipped with the leakage fluid dram, the intercommunication is equipped with the through-hole between inlet and the leakage fluid dram, the upper portion slope of valve body is equipped with the valve gap, the slope upside of valve gap has set firmly the fixed column, the slope upside of fixed column has set firmly electric driver, electric driver's output is equipped with the screw thread post, screw thread post slope downside threaded connection is equipped with the valve rod, the slope lower extreme of valve rod has set firmly the chock, the slope upside of through-hole has set firmly to strain a section of thick bamboo, the inboard slope upper and lower extreme annular interval of straining a section of thick bamboo all is equipped with four fixed lugs admittedly, the inboard annular interval of straining a section of thick bamboo and slope slide about and be equipped with a plurality of movable lugs, every be equipped with folding annular filter screen between fixed lug and the activity lug and the movable lug is connected between the slope upside of valve, the slope upside of valve gap has set firmly electronic blowoff valve, the internal connection of electronic blowoff valve and valve body.

The electric driver is used for driving the valve rod to move, the valve rod moves to drive the plug block, and the plug block moves to clean the filter cartridge and the filter screen; the annular filter screen is used for tentatively filtering impurity, strains a section of thick bamboo and further filters impurity, and the rethread annular filter screen is straining a section of thick bamboo and removes and is straining a section of thick bamboo self-cleaning and clear up with straining a section of thick bamboo. An annular filter screen is connected between the movable convex blocks and the fixed convex blocks, and an annular filter screen is also connected between every two movable convex blocks.

Preferably, four sliding grooves are formed in the inner side of the filter cylinder at annular intervals, a plurality of sliding blocks are arranged in each sliding groove in an inclined and vertically sliding mode at intervals, each movable protruding block slides in each sliding block, an elastic piece is connected between each sliding block and each movable protruding block, an annular shifting block used for driving each movable protruding block to move is sleeved on the outer side of the circumferential direction of each plug block, and the valve rod slides in the fixed column and the valve cover. Wherein, the elastic component is matched with the lug to play an anti-blocking role.

Preferably, two sides of each sliding block, which are deviated from the direction of the movable convex block, are provided with first anti-blocking blocks in a sliding manner, and the first anti-blocking blocks are used for dredging a filter hole of the filter cylinder, and a first compression spring is connected between each first anti-blocking block and the sliding block. Wherein, first anti-blocking piece and the cooperation of first compression spring are prevented stifled mediation and are acted.

Preferably, a second anti-blocking block used for dredging a filtering hole of the filter cylinder is fixedly arranged on one side, facing the elastic piece, of the movable convex block, the second anti-blocking block slides in the sliding block, and the second anti-blocking block is of a pointed block structure. Wherein, the second prevents that the jam is sharp piece structure and can dredge the object of jam fast.

Preferably, the circumferencial direction of annular shifting block slides and is equipped with a plurality of anti-blocking balls that are used for the filtration pore mediation to annular filter screen, it is equipped with second compression spring to prevent to be connected between anti-blocking ball and the annular shifting block, the lower extreme is the inclined plane on the slope in the annular shifting block outside. Wherein, the inclined plane of annular shifting block is used for extrudeing the activity lug to prevent stifled effect.

Preferably, an O-shaped ring is arranged between the circumferential outer side of the valve rod and the fixing column, and a sealing ring is arranged between the circumferential outer side of the valve rod and the valve cover. Wherein, the O-shaped ring and the sealing ring prevent the solution from flowing out and the outside from easily flowing in.

Preferably, the electric blowoff valve is connected with the valve body internally and is provided with two blowoff channels which are respectively positioned inside and outside the filter cylinder, and the plug block is provided with a plurality of blowoff holes for discharging impurities. Wherein, in time discharge impurity through the blowoff hole, prevent that impurity from blockking up in the valve body.

Preferably, the circumferential outer side of the lower part of the plug block is sleeved with a lip-shaped rubber ring for blocking the through hole, the lower part of the plug block is fixedly provided with a scraping block for scraping hard objects, and the scraping block is made of hard alloy.

Advantageous effects

1. Be used for carrying out prefilter to impurity through annular filter screen, strain a section of thick bamboo and further filter impurity, rethread annular filter screen is straining a section of thick bamboo and is removing from the clearance of annular filter screen and straining a section of thick bamboo and clear up.

2. The filter cylinder is preliminarily dredged through the first anti-blocking block, and then the filter holes of the individual filter cylinder are dredged through the first anti-blocking block.

3. Preliminary mediation is carried out through annular filter screen is tensile and folding, and the filtration pore of annular filter screen is further dredged to the stifled ball is prevented to the rethread.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic isometric view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 isbase:Sub>A schematic sectional view of fig. 2 atbase:Sub>A-base:Sub>A.

Fig. 4 is a schematic view of a portion B in fig. 3.

Fig. 5 is a schematic view of the installation of the pipeline of the present invention.

In the figure, a valve body 10, a liquid discharge port 11, a liquid discharge flange 12, a liquid inlet 13, a liquid inlet flange 14, a valve cover 15, a fixed column 16, an electric driver 17, an electric blow-off valve 18, a threaded column 19, a valve rod 20, an O-shaped ring 21, a sealing ring 22, a plug block 23, a through hole 24, a filter cartridge 25, a fixed lug 26, a movable lug 27, an annular filter screen 28, a chute 29, a sliding block 30, a first anti-blocking block 31, an elastic piece 32, a second anti-blocking block 33, a first compression spring 34, an annular shifting block 35, an anti-blocking ball 36, a second compression spring 37, a lip-shaped rubber ring 38, a scraping block 39, a blow-off hole 40 and a blow-off channel 41.

Detailed description of the preferred embodiments

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As an embodiment of the invention, with reference to fig. 1-5, an intelligent self-cleaning filter includes a valve body 10, a liquid inlet 13 is disposed on one side of the valve body 10, a liquid inlet flange 14 is sleeved on a circumferential outer side of the liquid inlet 13, a liquid outlet 11 is disposed on a side of the valve body 10 away from the liquid inlet 13, a liquid outlet flange 12 is sleeved on a circumferential outer side of the liquid outlet 11, a through hole 24 is disposed between the liquid inlet 13 and the liquid outlet 11, a valve cover 15 is obliquely disposed on an upper portion of the valve body 10, a fixed column 16 is fixedly disposed on an oblique upper side of the valve cover 15, an electric driver 17 is fixedly disposed on an oblique upper side of the fixed column 16, a threaded column 19 is disposed at an output end of the electric driver 17, a valve rod 20 is threadedly connected to an oblique lower side of the threaded column 19, a plug block 23 is fixedly disposed at an oblique lower end of the valve rod 20, a filter cartridge 25 is fixedly disposed on an oblique upper side of the through hole 24, four fixed lugs 26 are fixedly disposed at annular intervals on the oblique upper and at annular intervals at an inner oblique upper side and at an inner side of the filter cartridge 25, a plurality of movable lugs 27 are slidably disposed at intervals at an oblique upper side, a plurality of movable lugs 27 is disposed at an oblique upper side of the filter cartridge 15, a foldable drain valve body 18 is connected to the electric drain valve body 10.

When the pressure difference valve is used, a worker connects and fixes the water inlet pipe and the water outlet pipe on the valve body 10 through the liquid inlet flange 14 and the liquid discharge flange 12 respectively, then the pressure sensors are installed on the water inlet pipe and the water outlet pipe respectively, the two pressure sensors are connected with the pressure difference controller, and the pressure difference controller is connected with the PLC end. The inlet tube sends into the valve body 10 with green alga and mixed water such as weeds and water together, and mixed water enters into through-hole 24 and strains a section of thick bamboo 25 in, and mixed water carries out green alga and weeds in the prefilter mixed water through ring filter 28 earlier, and rethread cartridge filter 25 further filters mixed water, and mixed water multiple filtration back enters into the outlet pipe through leakage fluid dram 11.

Example two

On the basis of the first embodiment, as a further embodiment, with reference to fig. 1 to 5, four sliding grooves 29 are formed in the inner side of the filter cartridge 25 at intervals in an annular manner, a plurality of sliding blocks 30 are arranged in each sliding groove 29 in a sliding manner at intervals in an inclined manner, each movable protrusion 27 slides in each sliding block 30, an elastic element 32 is connected between each sliding block 30 and each movable protrusion 27, an annular shifting block 35 for driving the movable protrusions 27 to move is sleeved on the outer circumferential side of the plug block 23, and the valve rod 20 slides in the fixed column 16 and the valve cover 15. Two sides of each sliding block 30 deviating from the direction of the movable lug 27 are provided with first anti-blocking blocks 31 for dredging the filtering holes of the filtering cylinder 25 in a sliding manner, and a first compression spring 34 is connected between each first anti-blocking block 31 and the sliding block 30. One side of the movable convex block 27, which faces the elastic piece 32, is fixedly provided with a second anti-blocking block 33 for dredging the filtering hole of the filter cylinder 25, the second anti-blocking block 33 slides in the sliding block 30, and the second anti-blocking block 33 is in a pointed block structure. The circumferential direction of annular shifting block 35 slides and is equipped with a plurality of stifled balls 36 that are used for dredging the filtration pore of annular filter screen 28, prevents to be connected between stifled ball 36 and the annular shifting block 35 and is equipped with second compression spring 37, and the slope upper and lower end in the annular shifting block 35 outside is the inclined plane. An O-shaped ring 21 is arranged between the circumferential outer side of the valve rod 20 and the fixed column 16, and a sealing ring 22 is arranged between the circumferential outer side of the valve rod 20 and the valve cover 15.

When the device is used, green algae and weeds in the mixed water are continuously trapped in the filter cylinder 25, so that the filter holes in the annular filter screen 28 and the filter cylinder 25 are blocked, and the water flow of the valve body 10 is influenced; the pressure at the water inlet pipe end is higher, the pressure at the water outlet end is lower, and thus the pressure value sensed by the pressure sensor at the inlet end and the outlet end is fed back to the pressure difference controller. When the pressure difference value exceeds the value set by the pressure difference controller, the pressure difference controller starts to act and transmits a signal to the PLC, and the PLC is connected with a power supply to electrify the electric driver 17 and the electric blow-off valve 18. When the water inlet pipe stops feeding water, the electric driver 17 is started to drive the threaded column 19 to rotate, the threaded column 19 rotates to drive the valve rod 20 to move obliquely downwards through the threaded connection of the threaded column 19 and the valve rod 20, the valve rod 20 moves to drive the plug block 23 to move obliquely downwards, the plug block 23 moves obliquely downwards to drive the annular shifting block 35 to move obliquely downwards, and the annular shifting block 35 moves obliquely downwards to cooperate with the second compression spring 37 to sequentially dredge the filter holes of the annular filter screen 28 through the elasticity of the anti-blocking ball 36; the annular shifting block 35 moves downwards in an inclined mode and contacts with the movable lug 27 to drive the sliding block 30 to slide in the sliding groove 29, the annular filter screen 28 on the upper side of the movable lug 27 is stretched to further take out impurities on the annular filter screen 28, and the annular filter screen 28 on the lower side of the movable lug 27 is extruded and folded by the movable lug 27; the sliding block 30 moves downwards in the sliding groove 29 to drive the two first anti-blocking blocks 31 to move downwards, and the first anti-blocking blocks 31 slide out to be dredged when meeting the filtering holes in the filtering cylinder 25 through the elastic force of the first compression springs 34 on the first anti-blocking blocks 31 so as to sequentially dredge the filtering holes in the filtering cylinder 25.

After the annular filter screen 28 on the upper side of the movable lug 27 is stretched to the limit, when the second anti-blocking block 33 corresponds to the filtering hole of the filter cartridge 25, the annular shifting block 35 continues to move downwards, the movable lug 27 is pulled by the annular filter screen 28 on the upper side and cannot move, the movable lug 27 is extruded into the slide block 30 through the inclined surface on the lower side of the annular shifting block 35, and the movable lug 27 slides in the slide block 30 to drive the second anti-blocking block 33 to slide out to further dredge the filtering hole of the filter cartridge 25; the annular shifting block 35 continues to move downward and continues to contact the movable lug 27 on the lower side to clean the annular filter screen 28 and the filter cartridge 25 of impurities in turn. The stopper 23 is moved into the through-hole 24 to remove the foreign substances clogged in the through-hole 24 by the scraping block 39.

EXAMPLE III

In addition to the first and second embodiments, as a further embodiment, with reference to fig. 1 to 5, the electric blowoff valve 18 is provided with two blowoff channels 41 connected to the inside of the valve body 10, the two blowoff channels 41 are respectively located inside and outside the filter cartridge 25, and the plug 23 is provided with a plurality of blowoff holes 40 for discharging impurities. The circumferential outer side of the lower part of the chock 23 is sleeved with a lip-shaped rubber ring 38 for blocking the through hole 24, the lower part of the chock 23 is fixedly provided with a scraping block 39 for scraping hard objects, and the scraping block 39 is made of hard alloy.

When the device is used, the electric blowdown valve 18 is started to discharge the interior of the filter cartridge 25 and external sewage and impurities to the outside of the valve body 10 through the blowdown channel 41, and the electric driver 17 is started; the water inlet pipe starts to feed water, the pressure values sensed by the pressure sensors at the inlet end and the outlet end are continuously compared, the water is continuously cleaned when the pressure difference value exceeds the value set by the pressure difference controller, and water is continuously fed within a reasonable range under the pressure difference value; after the cleaning for many times and the differential pressure value is still higher, the PLC receives a signal and immediately switches on a power supply of the central control room to send an alarm signal to the central control room, and at the moment, a worker can be dispatched to process the alarm signal.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.

Claims

1. The utility model provides a self-cleaning formula filter of intelligent, includes valve body (10), its characterized in that, one side of valve body (10) is equipped with inlet (13), the circumference outside cover of inlet (13) is equipped with feed liquor flange (14), valve body (10) skew inlet (13) one side is equipped with leakage fluid dram (11), the circumference outside cover of leakage fluid dram (11) is equipped with flowing back flange (12), it is equipped with through-hole (24) to communicate between inlet (13) and leakage fluid dram (11), the upper portion slope of valve body (10) is equipped with valve gap (15), the slope upside of valve gap (15) has set firmly fixed column (16), the slope upside of fixed column (16) has set firmly electric driver (17), the output end of the electric driver (17) is provided with a threaded column (19), the inclined lower side of the threaded column (19) is connected with a valve rod (20) in a threaded manner, a plug block (23) is fixedly arranged at the inclined lower end of the valve rod (20), a filter cartridge (25) is fixedly arranged at the inclined upper side of the through hole (24), four fixed lugs (26) are fixedly arranged at the inclined upper end and the inclined lower end of the filter cartridge (25) at annular intervals, a plurality of movable lugs (27) are slidably arranged at the inclined upper end and the inclined lower end of the filter cartridge (25), and each of the fixed lugs (26) and the movable lugs (27) is arranged between the fixed lugs (26) and the movable lugs (27) and each of the movable lugs (27) 27 A foldable annular filter screen (28) is connected between the two, an electric blow-down valve (18) is fixedly arranged on the inclined upper side of the valve cover (15), and the electric blow-down valve (18) is connected with the inside of the valve body (10); the inner side of the filter cylinder (25) is annularly provided with four sliding grooves (29) at intervals, a plurality of sliding blocks (30) are arranged in each sliding groove (29) in an inclined up-down interval sliding mode, each movable convex block (27) slides in each sliding block (30), an elastic piece (32) is connected between each sliding block (30) and each movable convex block (27), an annular shifting block (35) used for driving each movable convex block (27) to move is sleeved on the outer side of the circumferential direction of each plug block (23), and the valve rod (20) slides in the fixed column (16) and the valve cover (15); two sides of each sliding block (30) deviating from the direction of the movable lug (27) are provided with first anti-blocking blocks (31) used for dredging the filtering holes of the filtering cylinder (25) in a sliding manner, and a first compression spring (34) is connected between each first anti-blocking block (31) and the sliding block (30); a second anti-blocking block (33) for dredging a filtering hole of the filter cylinder (25) is fixedly arranged on one side, facing the elastic piece (32), of the movable convex block (27), the second anti-blocking block (33) slides in the sliding block (30), and the second anti-blocking block (33) is of a pointed block structure; the circumferencial direction of annular shifting block (35) slides and is equipped with a plurality of stifled balls (36) of preventing that are used for the filtration pore mediation of annular filter screen (28), it is equipped with second compression spring (37) to prevent to be connected between stifled ball (36) and annular shifting block (35), the lower extreme is the inclined plane on the slope in annular shifting block (35) outside.

2. An intelligent self-cleaning filter according to claim 1, wherein: an O-shaped ring (21) is arranged between the circumferential outer side of the valve rod (20) and the fixing column (16), and a sealing ring (22) is arranged between the circumferential outer side of the valve rod (20) and the valve cover (15).

3. An intelligent self-cleaning filter according to claim 1, wherein: the electric blowdown valve (18) is connected with the valve body (10) in an inner mode and is provided with two blowdown channels (41), the two blowdown channels (41) are located inside and outside the filter cylinder (25) respectively, and the plug block (23) is provided with a plurality of blowdown holes (40) for discharging impurities.

4. An intelligent self-cleaning filter according to claim 1, wherein: the lower part circumference outside cover of chock (23) is equipped with lip rubber circle (38) that are used for blockking up through-hole (24), the lower part of chock (23) sets firmly scrapes piece (39) that are used for scraping hard thing, the material of scraping piece (39) is carbide.