CN217212940U - Distributed photovoltaic power quality detection device - Google Patents

Abstract

The utility model discloses a distributing type photovoltaic power quality detection device, comprising a base plate, the guard box, the power quality detector body, a rotating shaft, the blade, the intake pipe, the blast pipe, the multiunit outlet duct, filter equipment and drive arrangement, guard box fixed mounting is in the upper end of bottom plate, the inside of guard box is provided with the cavity, the right part of guard box is provided with the multiunit louvre, power quality detector body fixed mounting is in the cavity of guard box, the pivot is rotated and is installed on the guard box, blade fixed mounting is on the guard box, the blade is located the left side of multiunit louvre, drive arrangement installs on the guard box, drive arrangement is used for driving the rotation of countershaft, the intake pipe is rotated and is installed the left part at the guard box, the output of intake pipe is connected with the input of blast pipe, blast pipe fixed mounting is in the left part of guard box cavity. The utility model discloses the radiating effect is good, and reliability and security are high.

Description

Distributed photovoltaic power quality detection device

Technical Field

The utility model relates to an electric energy detection equipment technical field especially relates to a distributing type photovoltaic power quality detection device.

Background

Distributed photovoltaic electric energy generally refers to the small-size power generation group that directly inserts the distribution network and distribute near the power consumption load, and its capacity is less, because distributed photovoltaic electric energy has volatility, intermittent type nature, so its controllability, predictability all are less than conventional power, need constantly distributed photovoltaic electric energy's quality monitor to collect electric energy quality data, adjust at any time.

At present, a power quality detector is used for monitoring distributed photovoltaic power, when the current power quality detector is used, firstly, distributed photovoltaic power is electrically connected with the power quality detector through a wire, then, the power quality detector transmits detected power data to an external data terminal, and then, a worker observes the data on the data terminal; however, the conventional power quality detector is generally installed in a closed box body in order to prevent damage to internal circuits caused by external impact, but the conventional power quality detector has poor heat dissipation performance, and tends to cause excessive heat accumulation in the internal circuits of the power quality detector and damage to internal electrical elements of the power quality detector in the case of long-term use, thereby resulting in poor reliability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides a distributed photovoltaic power quality detection device that the radiating effect is good, the reliability is high.

In order to solve the technical problem, the utility model adopts the following technical proposal.

A distributed photovoltaic power quality detection device comprises a bottom plate, a protection box, a power quality detector body, a rotating shaft, blades, an air inlet pipe, exhaust pipes, a plurality of groups of air outlet pipes, a filtering device and a driving device, wherein the protection box is fixedly arranged at the upper end of the bottom plate, a cavity is arranged inside the protection box, a plurality of groups of heat dissipation holes are formed in the right part of the protection box, the power quality detector body is fixedly arranged in the cavity of the protection box, the rotating shaft is rotatably arranged on the protection box, the blades are fixedly arranged on the protection box, the blades are positioned on the left side of the plurality of groups of heat dissipation holes, the driving device is arranged on the protection box and used for driving the rotation of the rotating shaft, the air inlet pipe is rotatably arranged at the left part of the protection box, the output end of the air inlet pipe is connected with the input end of the exhaust pipe, the exhaust pipe is fixedly arranged at the left part of the cavity of the protection box, and the input ends of the plurality of the groups of air outlet pipes are connected with the output end of the exhaust pipe, the multiunit outlet duct all is located the left part of guard box cavity, and filter equipment's output is connected with the input of intake pipe, and filter equipment is used for filtering the air that gets into the intake pipe, and filter equipment installs at the guard box left end.

When the electric energy quality detector body works and generates heat, the driving device is opened, the driving device drives the rotating shaft to rotate, the rotating shaft drives the blades to rotate, the rotating blades enable hot air in the cavity of the protective box to flow from left to right, the hot air in the cavity of the protective box is discharged through the plurality of groups of heat dissipation holes in the right part of the protective box, then the pressure in the cavity of the protective box is reduced, external cold air enters the air inlet pipe through the filtering device, the cold air is filtered by the filtering device to remove dust and impurities when passing through the filtering device, clean cold air enters the exhaust pipe through the air inlet pipe, then the clean cold air is uniformly discharged through the plurality of groups of air outlet pipes and is contacted with the electric energy quality detector body, the electric energy quality detector body is cooled, the heat dissipation effect of the electric energy quality detector body is improved, and excessive heat accumulation in the electric energy quality detector body is avoided, the reliability and the safety of the electric energy quality detector body in the using process are improved, and the practicability is improved.

Preferably, drive arrangement includes first cone pulley, the second cone pulley, the rotation axis, driven cone pulley, the drive cone pulley, drive shaft and first motor, first cone pulley fixed mounting is in the pivot left end, first cone pulley and second cone pulley meshing, second cone pulley fixed mounting is at the rotation axis lower extreme, rotation axis rotation installs on the guard box, driven cone pulley fixed mounting is in the rotation axis upper end, driven cone pulley and drive cone pulley meshing, drive cone pulley fixed mounting is at the drive shaft right-hand member, the drive shaft rotates and installs on guard box upper portion, the left end of drive shaft is connected with the output of first motor, first motor fixed mounting is in the guard box upper end.

The first motor is started, the first motor drives the driving conical wheel to rotate through the driving shaft, the rotating driving conical wheel drives the rotating shaft to rotate through the driven conical wheel, the rotating shaft drives the first conical wheel to rotate through the second conical wheel, the first conical wheel drives the rotating shaft to rotate, the rotation of the rotating shaft is facilitated, and the reliability in the using process is improved.

Preferably, filter equipment includes the rose box, the axis of rotation, cartridge filter and second motor, rose box fixed mounting is in the guard box left end, the inside of rose box is provided with the cavity, the right-hand member of rose box is the opening, the left end of rose box is provided with the multiunit air inlet, the axis of rotation rotates and installs on the rose box, cartridge filter fixed mounting is at the axis of rotation right-hand member, the inside of cartridge filter is provided with the filter chamber, be provided with multiunit and the communicating filtration pore of filter chamber on the lateral wall of cartridge filter, the input of intake pipe communicates with the filter chamber of cartridge filter, intake pipe fixed mounting is on the cartridge filter, the intake pipe is coaxial with the axis of rotation, the cartridge filter is located the cavity of rose box, the left end and the output of second motor of axis of rotation are connected, second motor fixed mounting is on the rose box.

After the pressure in the chamber of the protective box is reduced, the protective box reduces the pressure in the filter cavity of the filter cartridge through the air inlet pipe, then outside cold air enters the cavity of the filter box through the multiple groups of air inlets on the filter box, then the cold air in the cavity of the filter box enters the filter cavity of the filter cartridge through the multiple groups of filter holes on the filter cartridge, when the outside cold air enters the filter cavity through the filter holes of the filter cartridge, dust and impurities in the cold air can be blocked outside the filter cartridge through the multiple groups of filter holes on the filter cartridge, clean cold air enters the air inlet pipe through the filter cavity of the filter cartridge, so that the cold air entering the air inlet pipe is firstly filtered to remove the dust and impurities in the air inlet pipe, the dust and impurities are prevented from entering the protective box through the air inlet pipe, the exhaust pipe and the multiple groups of air outlet pipes, and the cleanness in the use process is improved.

Preferably, the dust cleaning device further comprises a cleaning device, the cleaning device is mounted on the filter box, and the cleaning device is used for cleaning dust on the filter cartridge; the cleaning device comprises a drain pipe, a water inlet pipe, a water pump, a sliding block, a connecting plate, a reciprocating screw rod, a first chain wheel, a chain and a second chain wheel, wherein the drain pipe is fixedly arranged on the upper part of a cavity of the filter box, a plurality of groups of water spray pipes are arranged on the drain pipe, the input ends of the plurality of groups of water spray pipes are all connected with the output end of the drain pipe, the input end of the drain pipe is connected with the output end of the water inlet pipe, the input end of the water inlet pipe is connected with the output end of the water pump, the water pump is fixedly arranged on the upper end of the filter box, the sliding block is arranged on the lower part of the filter box in a left-right sliding manner, the connecting plate is fixedly arranged on the upper end of the sliding block, the upper end of the connecting plate is provided with a hairbrush, the sliding block is in threaded connection with the lower end of the filter box, the reciprocating screw rod is rotatably arranged on the filter box, the first chain wheel is fixedly arranged on the reciprocating screw rod, the first chain wheel is in transmission connection with the second chain wheel, the second chain wheel is fixedly arranged on the rotating shaft, a water outlet is arranged at the lower part of the filter box, and a sealing cover is arranged outside the water outlet.

When dust on the outer side wall of the filter cartridge needs to be cleaned, firstly, the output end of an external water source is connected with the input end of a water pump, then the water pump is started, water in the external water source enters the water inlet pipe through the water pump, then the water enters the water outlet pipe through the water inlet pipe, then the water is uniformly sprayed to the upper part of the filter cartridge through a plurality of groups of water spraying pipes on the water outlet pipe, dust on the outer side wall of the filter cartridge is washed, then, a second motor is started, the second motor drives the filter cartridge to rotate through a rotating shaft, the dust on the outer side wall of the filter cartridge is uniformly washed and softened by water sprayed by the plurality of groups of water spraying pipes in the rotating process of the filter cartridge, meanwhile, a hairbrush on a connecting plate is tightly attached to the lower end of the filter cartridge, so that the dust on the outer side wall of the filter cartridge can be scraped by the connecting plate in the rotating process, meanwhile, the rotating shaft can drive a second chain wheel to rotate, and drive a first chain wheel to rotate through a chain, the rotating first chain wheel can drive the reciprocating screw rod to rotate, the rotating reciprocating screw rod drives the sliding block to move left and right, the sliding block drives the connecting plate to move left and right, dust on the outer side wall of the filter cartridge can be fully scraped off by the connecting plate in the process of moving left and right, and then the sealing cover is opened, so that sewage in the cavity of the filter cartridge can be discharged through the water outlet on the filter cartridge; the manual cleaning of the filter cartridge is avoided, the convenience in the use process is improved, and the labor intensity is reduced.

Preferably, the device also comprises a sealing plate, the protective box is provided with an access hole, and the sealing plate is arranged on the outer side of the access hole; through the arrangement, the overhaul and the maintenance of the electric energy quality detector body in the protection box cavity are facilitated, and the convenience in the use process is improved.

Preferably, the protection box further comprises a sealing door, the sealing door is rotatably installed at the right end of the protection box, and the sealing door is used for sealing a plurality of groups of heat dissipation holes in the protection box; when needs dispel the heat to the electric energy quality detector body, open sealing door, when external rainy, close sealing door, prevent that external rainwater from getting into the cavity of guard box via the louvre on the guard box, improved the convenience in the use.

Preferably, a thermometer is arranged in the protection box; through the arrangement, the temperature in the cavity of the protective box can be conveniently monitored, and the convenience in the use process is improved.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses a drive arrangement drives the pivot rotation, the rotatory pivot drives the blade rotation, the rotatory blade makes the hot-air in the protective box cavity flow from left to right, make the hot-air in the protective box cavity discharge through the multiunit louvre of protective box right side, later the pressure in the protective box cavity reduces, outside cold air gets into the intake pipe through filter equipment, dust and impurity in cold air is filtered by filter equipment when passing through filter equipment, later clean cold air gets into the blast pipe through the intake pipe, later clean cold air contacts with the electric energy quality detector body through the even discharge protective box's of multiunit outlet duct cavity, make the electric energy quality detector body cool down can, the radiating effect of electric energy quality detector body has been improved, avoid the electric energy quality detector body inside to gather heat too much, the reliability and the security of electric energy quality detector body in the use have been improved, the practicability is improved.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic structural view of a filter cartridge, a rotary shaft, an intake pipe, and the like;

FIG. 3 is a schematic view of the structure of the protective case, the blade, the first motor, etc.;

FIG. 4 is a schematic view showing the structure of a water pump, a water inlet pipe, a water discharge pipe, etc.;

wherein: 1. a base plate; 2. a protection box; 3. a power quality detector body; 4. a rotating shaft; 5. a blade; 6. an air inlet pipe; 7. an exhaust pipe; 8. an air outlet pipe; 9. a first cone pulley; 10. a second cone; 11. a rotating shaft; 12. a driven cone pulley; 13. driving a cone pulley; 14. a drive shaft; 15. a first motor; 16. a filter box; 17. a rotating shaft; 18. a filter cartridge; 19. a second motor; 20. a drain pipe; 21. a water inlet pipe; 22. a water pump; 23. a slider; 24. a connecting plate; 25. a reciprocating screw rod; 26. a first sprocket; 28. a chain; 29. a second sprocket; 30. a sealing plate; 31. and (4) sealing the door.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A distributed photovoltaic power quality detection device is shown in figures 1 to 4 and comprises a bottom plate 1, a protection box 2, a power quality detector body 3, a rotating shaft 4, blades 5, an air inlet pipe 6, an exhaust pipe 7, a plurality of groups of air outlet pipes 8, a filtering device and a driving device.

The protection box 2 is fixedly arranged at the upper end of the bottom plate 1, and a cavity is arranged inside the protection box 2; the right end of the protection box 2 is rotatably provided with a sealing door 31, and the sealing door 31 is used for sealing a plurality of groups of radiating holes on the protection box; the protective box 2 is provided with an access hole, and the sealing plate 30 is arranged on the outer side of the access hole.

The right part of guard box 2 is provided with the multiunit louvre, and 3 fixed mounting of power quality detector body are in the cavity of guard box 2, and pivot 4 rotates and installs on guard box 2, and 5 fixed mounting of blade are on guard box 2, and blade 5 is located the left side of multiunit louvre.

The intake pipe 6 rotates and installs the left part at guard box 2, and the output of intake pipe 6 is connected with the input of blast pipe 7, and 7 fixed mounting of blast pipe are in the left part of 2 cavities of guard box, and the input of multiunit outlet duct 8 all is connected with the output of blast pipe 7, and multiunit outlet duct 8 all is located the left part of 2 cavities of guard box.

The driving device comprises a first cone pulley 9, a second cone pulley 10, a rotating shaft 11, a driven cone pulley 12, a driving cone pulley 13, a driving shaft 14 and a first motor 15; first cone pulley 9 fixed mounting is in 4 left ends of pivot, first cone pulley 9 and the meshing of second cone pulley 10, second cone pulley 10 fixed mounting is at 11 lower extremes of rotation axis, rotation axis 11 rotates to be installed on guard box 2, driven cone pulley 12 fixed mounting is in 11 upper ends of rotation axis, driven cone pulley 12 and the meshing of drive cone pulley 13, drive cone pulley 13 fixed mounting is at 14 right-hand members of drive shaft, 14 rotations of drive shaft are installed on 2 upper portions of guard box, 14 left ends of drive shaft are connected with first motor 15's output, first motor 15 fixed mounting is in 2 upper ends of guard box.

The filtering device comprises a filtering box 16, a rotating shaft 17, a filtering cylinder 18 and a second motor 19, wherein the filtering box 16 is fixedly arranged at the left end of the protection box 2, a cavity is formed in the filtering box 16, the right end of the filtering box 16 is an opening, a plurality of groups of air inlets are formed in the left end of the filtering box 16, the rotating shaft 17 is rotatably arranged on the filtering box 16, the filtering cylinder 18 is fixedly arranged at the right end of the rotating shaft 17, a filtering cavity is formed in the filtering cylinder 18, a plurality of groups of filtering holes communicated with the filtering cavity are formed in the outer side wall of the filtering cylinder 18, the input end of the air inlet pipe 6 is communicated with the filtering cavity of the filtering cylinder 18, the air inlet pipe 6 is fixedly arranged on the filtering cylinder 18, the air inlet pipe 6 is coaxial with the rotating shaft 17, the filtering cylinder 18 is positioned in the cavity of the filtering box 16, the left end of the rotating shaft 17 is connected with the output end of the second motor 19, and the second motor 19 is fixedly arranged on the filtering box 16.

A cleaning device is mounted on the filter box 16 for cleaning dust on the filter cartridge 18.

The cleaning device comprises a drain pipe 20, a water inlet pipe 21, a water pump 22, a sliding block 23, a connecting plate 24, a reciprocating screw rod 25, a first chain wheel 26, a chain 28 and a second chain wheel 29, wherein the drain pipe 20 is fixedly arranged on the upper part of the cavity of the filter box 16, a plurality of groups of water spray pipes are arranged on the drain pipe 20, the input ends of the plurality of groups of water spray pipes are connected with the output end of the drain pipe 20, and the plurality of groups of water spray pipes are positioned above the filter cartridge 18. The input of drain pipe 20 is connected with the output of inlet tube 21, and the input of inlet tube 21 is connected with water pump 22's output, and water pump 22 fixed mounting is in the upper end of rose box 16.

The slide block 23 is arranged at the lower part of the filter box 16 in a left-right sliding mode, the connecting plate 24 is fixedly arranged at the upper end of the slide block 23, a brush is arranged at the upper end of the connecting plate 24, the upper end of the brush is attached to the lower end of the filter cylinder 18, the slide block 23 is in threaded connection with the reciprocating screw rod 25, the reciprocating screw rod 25 is rotatably arranged on the filter box 16, the first chain wheel 26 is fixedly arranged on the reciprocating screw rod 25, the first chain wheel 26 is in transmission connection with the second chain wheel 29 through a chain 28, the second chain wheel 29 is fixedly arranged on the rotating shaft 17, a water outlet is formed in the lower part of the filter box 16, and a sealing cover is arranged outside the water outlet.

The utility model discloses the during operation, work when electric energy quality detector body 3 and when generating heat, at first open first motor 15, first motor 15 drives drive cone pulley 13 through drive shaft 14 and rotates, rotatory drive cone pulley 13 drives rotation axis 11 through driven cone pulley 12 and rotates, rotation axis 11 drives first cone pulley 9 through second cone pulley 10 and rotates, first cone pulley 9 drives pivot 4 rotatory, rotatory pivot 4 drives blade 5 rotatory, rotatory blade 5 makes the hot-air in the 2 chambeies of guard box flow from left to right, make the hot-air in the 2 chambeies of guard box discharge through the multiunit louvre of the 2 right parts of guard box.

Then the pressure in the chamber of the protection box 2 is reduced, the protection box 2 reduces the pressure in the filter chamber of the filter cartridge 18 through the air inlet pipe 6, then the outside cold air enters the cavity of the filter box 16 through a plurality of groups of air inlets on the filter box 16, then the cold air in the cavity of the filter box 16 enters the filter chamber of the filter cartridge 18 through a plurality of groups of filter holes on the filter cartridge 18, when the outside cold air enters the filter chamber through the filter holes of the filter cartridge 18, dust and impurities in the cold air can be blocked outside the filter cylinder 18 by a plurality of groups of filter holes on the filter cylinder 18, clean cold air enters the air inlet pipe 6 through the filter cavity of the filter cylinder 18, then clean cold air passes through intake pipe 6 and gets into in blast pipe 7, and later clean cold air contacts with power quality detector body 3 in passing through the even exhaust guard box 2's of multiunit outlet duct 8 cavity, makes power quality detector body 3 cool down.

When the dust on the outer side wall of the filter cartridge 18 needs to be cleaned, firstly, the output end of an external water source is connected with the input end of the water pump 22, then the water pump 22 is started, water in the external water source enters the water inlet pipe 21 through the water pump 22, then the water enters the water outlet pipe 20 through the water inlet pipe 21, then the water is uniformly sprayed to the upper part of the filter cartridge 18 through a plurality of groups of water spray pipes on the water outlet pipe 20, and the dust on the outer side wall of the filter cartridge 18 is washed; then the second motor 19 is started, the second motor 19 drives the filter cylinder 18 to rotate through the rotating shaft 17, the filter cylinder 18 enables dust on the outer side wall of the filter cylinder 18 to be uniformly washed and softened by water sprayed by a plurality of groups of water spraying pipes in the rotating process, and meanwhile, because the hairbrush on the connecting plate 24 is attached to the lower end of the filter cylinder 18, the filter cartridge 18 is scraped off the dust on the outer sidewall thereof by the connection plate 24 during the rotation, meanwhile, the rotating shaft 17 can drive the second chain wheel 29 to rotate, the second chain wheel 29 drives the first chain wheel 26 to rotate through the chain 28, the rotating first chain wheel 26 can drive the reciprocating screw rod 25 to rotate, the rotating reciprocating screw rod 25 drives the sliding block 23 to move left and right, the sliding block 23 drives the connecting plate 24 to move left and right, dust on the outer side wall of the filter cartridge 18 can be sufficiently scraped off in the process that the connecting plate 24 moves left and right, and then the sealing cover is opened, so that sewage in the cavity of the filter box 16 can be discharged through a water outlet in the filter box 16.

Claims (4)

1. A distributed photovoltaic power quality detection device is characterized by comprising a bottom plate (1), a protection box (2), a power quality detector body (3), a rotating shaft (4) and blades (5), the device comprises an air inlet pipe (6), an exhaust pipe (7), a plurality of groups of air outlet pipes (8), a filtering device and a driving device, wherein a protection box (2) is fixedly arranged at the upper end of a bottom plate (1), a cavity is arranged inside the protection box (2), a plurality of groups of heat dissipation holes are formed in the right part of the protection box (2), an electric energy quality detector body (3) is fixedly arranged in the cavity of the protection box (2), a rotating shaft (4) is rotatably arranged on the protection box (2), blades (5) are fixedly arranged on the protection box (2), the blades (5) are positioned on the left sides of the plurality of groups of heat dissipation holes, the driving device is arranged on the protection box (2), and the driving device is used for driving the rotation of the rotating shaft (4); intake pipe (6) rotate and install the left part in guard box (2), the output of intake pipe (6) is connected with the input of blast pipe (7), blast pipe (7) fixed mounting is in the left part of guard box (2) cavity, the input of multiunit outlet duct (8) all is connected with the output of blast pipe (7), multiunit outlet duct (8) all are located the left part of guard box (2) cavity, filter equipment's output is connected with the input of intake pipe (6), filter equipment is used for filtering the air that gets into intake pipe (6), filter equipment installs at guard box (2) left end.

2. The distributed photovoltaic power quality detection device according to claim 1, wherein the driving device comprises a first cone pulley (9), a second cone pulley (10), a rotating shaft (11), a driven cone pulley (12), a driving cone pulley (13), a driving shaft (14) and a first motor (15), the first cone pulley (9) is fixedly arranged at the left end of the rotating shaft (4), the first cone pulley (9) is engaged with the second cone pulley (10), the second cone pulley (10) is fixedly arranged at the lower end of the rotating shaft (11), the rotating shaft (11) is rotatably arranged on the protection box (2), the driven cone pulley (12) is fixedly arranged at the upper end of the rotating shaft (11), the driven cone pulley (12) is engaged with the driving cone pulley (13), the driving cone pulley (13) is fixedly arranged at the right end of the driving shaft (14), the driving shaft (14) is rotatably arranged at the upper part of the protection box (2), the left end of the driving shaft (14) is connected with the output end of the first motor (15), the first motor (15) is fixedly arranged at the upper end of the protection box (2).

3. The distributed photovoltaic power quality detection device according to claim 1, wherein the filtering device comprises a filtering box (16), a rotating shaft (17), a filtering cylinder (18) and a second motor (19), the filtering box (16) is fixedly installed at the left end of the protection box (2), a cavity is arranged inside the filtering box (16), the right end of the filtering box (16) is open, the left end of the filtering box (16) is provided with a plurality of sets of air inlets, the rotating shaft (17) is rotatably installed on the filtering box (16), the filtering cylinder (18) is fixedly installed at the right end of the rotating shaft (17), a filtering cavity is arranged inside the filtering cylinder (18), a plurality of sets of filtering holes communicated with the filtering cavity are arranged on the outer side wall of the filtering cylinder (18), the input end of the air inlet pipe (6) is communicated with the filtering cavity of the filtering cylinder (18), the filtering cylinder (6) is fixedly installed on the filtering cylinder (18), the air inlet pipe (6) is coaxial with the rotating shaft (17), the filter cartridge (18) is located in a cavity of the filter box (16), the left end of the rotating shaft (17) is connected with the output end of the second motor (19), and the second motor (19) is fixedly installed on the filter box (16).

4. A distributed photovoltaic power quality detection apparatus according to claim 3, wherein the filter box (16) is provided with a cleaning device, and the cleaning device is used for cleaning dust on the filter cartridge (18); the cleaning device comprises a drain pipe (20), a water inlet pipe (21), a water pump (22), a sliding block (23), a connecting plate (24), a reciprocating screw rod (25), a first chain wheel (26), a chain (28) and a second chain wheel (29), wherein the drain pipe (20) is fixedly arranged on the upper part of a cavity of a filter box (16), a plurality of groups of spray pipes are arranged on the drain pipe (20), the input ends of the plurality of groups of spray pipes are all connected with the output end of the drain pipe (20), the plurality of groups of spray pipes are all positioned above a filter cartridge (18), the input end of the drain pipe (20) is connected with the output end of the water inlet pipe (21), the input end of the water inlet pipe (21) is connected with the output end of the water pump (22), the water pump (22) is fixedly arranged on the upper end of the filter box (16), the sliding block (23) is arranged on the lower part of the filter box (16) in a left-right sliding manner, the connecting plate (24) is fixedly arranged on the upper end of the sliding block (23), and a brush is arranged on the connecting plate (24), the upper end of the brush is attached to the lower end of the filter cylinder (18), the sliding block (23) and the reciprocating screw rod (25) are installed in a threaded mode, the reciprocating screw rod (25) is installed on the filter box (16) in a rotating mode, the first chain wheel (26) is fixedly installed on the reciprocating screw rod (25), the first chain wheel (26) is in transmission connection with the second chain wheel (29) through the chain (28), the second chain wheel (29) is fixedly installed on the rotating shaft (17), a water outlet is formed in the lower portion of the filter box (16), and a sealing cover is arranged outside the water outlet.

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