CN108704909B - Pool bottom cleaning device and method - Google Patents
Pool bottom cleaning device and method Download PDFInfo
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- CN108704909B CN108704909B CN201810656113.5A CN201810656113A CN108704909B CN 108704909 B CN108704909 B CN 108704909B CN 201810656113 A CN201810656113 A CN 201810656113A CN 108704909 B CN108704909 B CN 108704909B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 230000001680 brushing effect Effects 0.000 claims abstract description 37
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005201 scrubbing Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011086 high cleaning Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a device and a method for cleaning the bottom of a water pool, which comprises a left longitudinal groove arranged on the left side wall of the water pool, a cylindrical brushing structure, a longitudinal shaft penetrating into the cylindrical brushing structure, a front transverse groove and a rear transverse groove arranged on the front side wall and the rear side wall of the water pool, a front transverse slide rail and a rear transverse slide rail respectively arranged in the front transverse groove and the rear transverse groove, and a first motor connected with the front transverse slide rail in a sliding manner; the lower end of the left longitudinal groove is positioned at the left lower part of the pool bottom, a rotating shaft of the first motor is connected with the front end of the longitudinal shaft, a bearing is arranged at the rear part of the longitudinal shaft, and the bearing is connected with the rear transverse sliding rail in a sliding manner. The invention has the characteristics of good safety, low labor intensity, high cleaning efficiency and good cleaning effect.
Description
Technical Field
The invention relates to the technical field of pool cleaning equipment, in particular to a pool bottom cleaning device and method with good safety and high cleaning efficiency.
Background
The large reservoir is cleaned by a manual cleaning method, and the manual cleaning has the defects of high labor intensity, poor labor environment and low cleaning efficiency; or the mechanical cleaning method is adopted, mechanical equipment needs to be moved to the bottom of the water tank before cleaning, the weight of the mechanical equipment is large, the operation of the moving process is complex, the labor intensity is high, and the difficulty is brought to cleaning.
Disclosure of Invention
The invention aims to overcome the defects of high labor intensity, poor labor environment and low cleaning efficiency of the cleaning of the water tank in the prior art, and provides the cleaning device and the cleaning method for the bottom of the water tank, which have high safety and high cleaning efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cleaning device for the bottom of a water pool comprises a left longitudinal groove arranged on the left side wall of the water pool, a cylindrical brushing structure, a longitudinal shaft penetrating into the cylindrical brushing structure, a front transverse groove and a rear transverse groove arranged on the front side wall and the rear side wall of the water pool, a front transverse slide rail and a rear transverse slide rail respectively arranged in the front transverse groove and the rear transverse groove, and a first motor connected with the front transverse slide rail in a sliding manner; the lower end of the left longitudinal groove is positioned at the left lower part of the bottom of the pool, a rotating shaft of a first motor is connected with the front end of a longitudinal shaft, a bearing is arranged on the rear part of the longitudinal shaft, the bearing is connected with a rear transverse sliding rail in a sliding manner, chains are arranged in the front transverse groove and the rear transverse groove, a second motor is arranged in the left side wall of the pool, the second motor is respectively connected with 2 chains through 2 gears, the first motor is fixedly connected with the chains in the front transverse groove, the bearing is fixedly connected with the chains in the rear transverse groove, and the bearing is connected with the rear transverse sliding rail in a sliding manner; the vertical groove opening part in a left side is equipped with vertical apron, and the bottom left side in pond is equipped with down vertical recess, is equipped with the cylinder in the vertical recess down, and the telescopic link and the vertical cover connection of cylinder are equipped with flexible apron down on the vertical recess, and the vertical recess bottom in a left side is equipped with the drain pipe, is equipped with the water pump on the drain pipe, still includes the controller, and the controller is connected with water pump, cylinder, first motor and second motor electricity respectively.
In an initial state, a certain amount of water remains in the water tank, the vertical cover plate is positioned in the lower longitudinal groove, and the telescopic cover plate is closed;
the controller controls the first motor to work, the first motor drives the cylindrical brushing structure to rotate, and the cylindrical brushing structure cleans the bottom of the pool; meanwhile, the controller controls the second motor to work, and the 2-chain belt moves the cylindrical brushing structure from left to right;
when the cylindrical brushing structure moves to the right end of the water pool, the controller controls the second motor to work, and the 2-chain belt drives the cylindrical brushing structure to move from right to left;
when the Mth time of the cylindrical brushing structure reaches the right end of the water tank, the controller controls the cylindrical brushing structure to move into the left longitudinal groove, controls the first motor and the second motor to stop working, controls the water pump to work, and discharges the sewage at the bottom of the water tank out of the water tank through the drainage pipe after being washed;
the controller control cylinder drives vertical apron rebound, and vertical apron seals the opening part of left vertical recess, and flexible apron upwards extends simultaneously and elongates.
Therefore, the invention can clean the bottom of the water pool when the water needs to be cleaned, and automatically return to the original position when the water does not need to be cleaned; an operator only needs to control the controller, and does not need to move machine equipment, so that the labor intensity is low, the cleaning efficiency is high, and the cleaning effect is good.
Preferably, the cylindrical brushing structure comprises a circular shell and a plurality of bundles of bristles arranged on the shell, wherein an extension cylinder is arranged on the circular shell and is connected with the longitudinal shaft through a screw.
Preferably, the annular shell is provided with a plurality of air outlet branch pipes, one end of the air pipe extends into the annular shell and is connected with each air outlet branch pipe, and the air pipe is provided with an air pump; the annular shell is provided with a plurality of water outlet branch pipes, one end of the water pipe extends into the annular shell and is connected with each water outlet branch pipe, the water pipe is provided with a booster pump, and the controller is electrically connected with the air pump and the booster pump respectively.
Each air outlet branch pipe and each water outlet branch pipe spray air and water to the bottom of the pool, and dirt on the bottom of the pool is easier to separate from the bottom of the pool under the friction and the impact of air flow, water flow and brush hair, so that the bottom of the pool is cleaned more cleanly.
Preferably, the telescopic cover plate comprises a horizontal plate and a plastic connecting sheet wrapped outside the horizontal plate, and the plastic connecting sheet is connected with the pool bottom in a sealing manner.
Preferably, a horizontal partition plate is arranged in the left longitudinal groove, the horizontal partition plate divides the left longitudinal groove into an upper cavity and a lower cavity, and the upper cylindrical brushing structure and the longitudinal shaft are positioned in the lower cavity;
a retractor is arranged in the upper cavity, and a roller shutter is arranged on the retractor; the front side wall and the rear side wall of the water pool are respectively provided with a transversely extending guide groove, and the front part and the rear part of the roller shutter respectively extend into the 2 guide grooves; a third motor is arranged in the right side wall of the water pool and is connected with a longitudinal roller, and the longitudinal roller is respectively connected with the right front part and the right rear part of the roller shutter through ropes; the third motor and the retractor are electrically connected with the controller.
When in cleaning, the tank bottom can be covered by a roller shutter, and other objects can not influence the cleaning even if falling into the tank; if any organisms fall into the pond, no danger is caused.
A method for cleaning a device at the bottom of a pool comprises the following steps:
(6-1) water with the volume of 10 cm to 30 cm is remained in the water pool, the vertical cover plate is positioned in the lower longitudinal groove, and the telescopic cover plate is closed;
the controller controls the first motor to work, the first motor drives the cylindrical brushing structure to rotate, and the cylindrical brushing structure cleans the bottom of the pool;
(6-2) the controller controls the second motor to work, and the 2-chain belt drives the movable cylindrical brushing structure to move from left to right;
when the cylindrical brushing structure moves to the right end of the water pool, the controller controls the second motor to work, and the 2-chain belt drives the cylindrical brushing structure to move from right to left;
(6-3) enabling the cylindrical scrubbing structure to reciprocate left and right, when the cylindrical scrubbing structure reaches the right end of the water pool Mth time, controlling the cylindrical scrubbing structure to move into the left longitudinal groove by the controller, controlling the first motor and the second motor to stop working, controlling the water pump to work by the controller, and discharging the sewage at the bottom of the washed water pool out of the water pool through the drainage pipe;
and (6-4) the controller controls the air cylinder to drive the vertical cover plate to move upwards, the opening of the left longitudinal groove is sealed by the vertical cover plate, and meanwhile, the telescopic cover plate extends upwards and stretches.
Preferably, the annular shell is provided with a plurality of air outlet branch pipes, one end of the air pipe extends into the annular shell and is connected with each air outlet branch pipe, and the air pipe is provided with an air pump; a plurality of water outlet branch pipes are arranged on the annular shell, one end of a water pipe extends into the annular shell and is connected with each water outlet branch pipe, a booster pump is arranged on the water pipe, and the controller is electrically connected with the air pump and the booster pump respectively; the method comprises the following steps:
the controller controls the booster pump and the air pump to work, in the process that the cylindrical scrubbing structure rotates and rubs the pool bottom, the cylindrical scrubbing structure sprays air and water to the pool bottom, the air flow and the water flow hit dirt on the pool bottom, and the pool bottom is cleaned more cleanly.
Preferably, a horizontal partition plate is arranged in the left longitudinal groove, the horizontal partition plate divides the left longitudinal groove into an upper cavity and a lower cavity, and the upper cylindrical brushing structure and the longitudinal shaft are positioned in the lower cavity; a retractor is arranged in the upper cavity, and a roller shutter is arranged on the retractor; the front side wall and the rear side wall of the water pool are respectively provided with a transversely extending guide groove, and the front part and the rear part of the roller shutter respectively extend into the 2 guide grooves; a third motor is arranged in the right side wall of the water pool and is connected with a longitudinal roller, and the longitudinal roller is respectively connected with the right front part and the right rear part of the roller shutter through ropes; the third motor and the retractor are electrically connected with the controller;
(6-1) further comprising the steps of: the controller controls the third motor to work, so that the roller shutter covers the bottom of the pool, and the third motor stops working;
the following steps are also included between the step (6-3) and the step (6-4):
the controller controls the retractor to work, the roller shutter is retracted, the roller shutter returns to the upper cavity, and the retractor stops working.
Therefore, the invention has the following beneficial effects: the safety is good, low in labor intensity, high in cleaning efficiency and good in cleaning effect.
Drawings
FIG. 1 is a schematic cross-sectional view of a pool of the present invention;
FIG. 2 is a top view of the pool of the present invention;
FIG. 3 is a schematic view of one configuration of the longitudinal axis of the present invention;
FIG. 4 is a schematic view of a tubular brushing structure according to the present invention;
fig. 5 is a functional block diagram of the present invention.
In the figure: the device comprises a left longitudinal groove 1, a cylindrical brushing structure 2, a longitudinal shaft 3, a front transverse groove 4, a rear transverse groove 5, a first motor 6, a second motor 7, a lower longitudinal groove 8, a controller 9, a vertical cover plate 11, a horizontal partition plate 12, a retractor 13, a roller shutter 14, a third motor 15, a longitudinal roller 16, a rope 17, a drain pipe 18, a circular shell 21, bristles 22, an air outlet branch pipe 23, an air pump 24, an water outlet branch pipe 25, a booster pump 26, an extension cylinder 27, a bearing 31, a sliding block 32, a front transverse sliding rail 41, a chain 42, a rear transverse sliding rail 51, a gear 71, an air cylinder 81, a telescopic cover plate 82, a water pool 101 and a water pump 831.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Example 1
The embodiment shown in fig. 1 is a pool bottom cleaning device of a pool, which comprises a left longitudinal groove 1 arranged on the left side wall of the pool 101, a cylindrical brushing structure 2, a longitudinal shaft 3 penetrating into the cylindrical brushing structure, a front transverse groove 4 and a rear transverse groove 5 arranged on the front side wall and the rear side wall of the pool, a front transverse slide rail 41 and a rear transverse slide rail 51 respectively arranged in the front transverse groove and the rear transverse groove, and a first motor 6 connected with the front transverse slide rail in a sliding way; the lower end of the left longitudinal groove is positioned at the left lower part of the bottom of the pool, a rotating shaft of the first motor is connected with the front end of the longitudinal shaft, as shown in figure 3, a bearing 31 is arranged at the rear part of the longitudinal shaft and is connected with the rear transverse sliding rail in a sliding manner, as shown in figure 2, chains 42 are arranged in the front transverse groove and the rear transverse groove, a second motor 7 is arranged in the left side wall of the pool and is respectively connected with 2 chains through 2 gears 71, the first motor is fixedly connected with the chains in the front transverse groove, the bearing is fixedly connected with the chains in the rear transverse groove, and the bearing is connected with the rear transverse sliding rail in a sliding manner; as shown in fig. 1, a vertical cover plate 11 is arranged at the opening of the left vertical groove, a lower vertical groove 8 is arranged on the left side of the bottom of the water pool, a cylinder 81 is arranged in the lower vertical groove, a telescopic rod of the cylinder is connected with the vertical cover plate, a telescopic cover plate 82 is arranged on the lower vertical groove, a water discharge pipe 18 is arranged at the bottom of the left vertical groove, a water pump 831 is arranged on the water discharge pipe, and the controller 9 is further included, as shown in fig. 5, and is respectively electrically connected with the water pump, the cylinder, the first motor and.
As shown in fig. 3, the rear portion of the longitudinal shaft is slidably connected to the rear transverse rail by a slide block 32.
As shown in fig. 1 and 4, the cylindrical brushing structure includes a circular ring-shaped casing 21 and a plurality of bundles of bristles 22 arranged on the casing, and an extension cylinder 27 is arranged on the circular ring-shaped casing and connected with the longitudinal shaft through a screw.
The telescopic cover plate comprises a horizontal plate and a plastic connecting sheet wrapped outside the horizontal plate, and the plastic connecting sheet is connected with the pool bottom in a sealing manner.
A method for cleaning a device at the bottom of a pool comprises the following steps:
(6-1) 10 cm of water remains in the water pool, the vertical cover plate is positioned in the lower longitudinal groove, and the telescopic cover plate is closed;
the controller controls the first motor to work, the first motor drives the cylindrical brushing structure to rotate, and the cylindrical brushing structure cleans the bottom of the pool;
(6-2) the controller controls the second motor to work, and the 2-chain belt drives the movable cylindrical brushing structure to move from left to right;
when the cylindrical brushing structure moves to the right end of the water pool, the controller controls the second motor to work, and the 2-chain belt drives the cylindrical brushing structure to move from right to left;
(6-3) enabling the cylindrical scrubbing structure to reciprocate left and right, when the cylindrical scrubbing structure reaches the right end of the water pool for the 4 th time, controlling the cylindrical scrubbing structure to move into the left longitudinal groove by the controller, controlling the first motor and the second motor to stop working, controlling the water pump to work by the controller, and discharging the sewage at the bottom of the washed water pool out of the water pool through the drainage pipe;
and (6-4) the controller controls the air cylinder to drive the vertical cover plate to move upwards, the opening of the left longitudinal groove is sealed by the vertical cover plate, and meanwhile, the telescopic cover plate extends upwards and stretches.
Example 2
The controller controls the booster pump and the air pump to work, in the process that the cylindrical scrubbing structure rotates and rubs the pool bottom, the cylindrical scrubbing structure sprays air and water to the pool bottom, the air flow and the water flow hit dirt on the pool bottom, and the pool bottom is cleaned more cleanly.
Example 3
Example 3 includes all of the structure and method parts of example 1, as shown in fig. 1, the left longitudinal groove of example 3 is provided with a horizontal partition 12 therein, which divides the left longitudinal groove into an upper chamber and a lower chamber, the upper cylindrical brushing structure and the longitudinal axis being located in the lower chamber;
a retractor 13 is arranged in the upper cavity, and a roller shutter 14 is arranged on the retractor; the front side wall and the rear side wall of the water pool are respectively provided with a transversely extending guide groove, and the front part and the rear part of the roller shutter respectively extend into the 2 guide grooves; a third motor 15 is arranged in the right side wall of the water pool, the third motor is connected with a longitudinal roller 16, and the longitudinal roller is respectively connected with the right front part and the right rear part of the roller shutter through a rope 17; the third motor and the retractor are electrically connected with the controller.
(6-1) further comprising the steps of: the controller controls the third motor to work, so that the roller shutter covers the bottom of the pool, and the third motor stops working;
the following steps are also included between the step (6-3) and the step (6-4):
the controller controls the retractor to work, the roller shutter is retracted, the roller shutter returns to the upper cavity, and the retractor stops working.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (4)
1. A method for cleaning the bottom of a water pool is characterized by comprising a water pool bottom cleaning device, wherein the water pool bottom cleaning device comprises a left longitudinal groove (1) arranged on the left side wall of the water pool, a longitudinally extending cylindrical brushing structure (2), a longitudinal shaft (3) penetrating into the cylindrical brushing structure, a front transverse groove (4) and a rear transverse groove (5) arranged on the front side wall and the rear side wall of the water pool, a front transverse slide rail (41) and a rear transverse slide rail (51) respectively arranged in the front transverse groove and the rear transverse groove, and a first motor (6) connected with the front transverse slide rail in a sliding manner; the lower end of the left longitudinal groove is positioned at the left lower part of the bottom of the pool, a rotating shaft of a first motor is connected with the front end of a longitudinal shaft, a bearing (31) is arranged at the rear part of the longitudinal shaft, chains (42) are arranged in the front transverse groove and the rear transverse groove, a second motor (7) is arranged in the left side wall of the pool, the second motor is respectively connected with 2 chains through 2 gears (71), the first motor is fixedly connected with the chains in the front transverse groove, the bearing is fixedly connected with the chains in the rear transverse groove, and the bearing is connected with a rear transverse sliding rail in a sliding manner; the water tank is characterized in that a vertical cover plate (11) is arranged at the opening of the left longitudinal groove, a lower longitudinal groove (8) is arranged on the left side of the bottom of the water tank, an air cylinder (81) is arranged in the lower longitudinal groove, a telescopic rod of the air cylinder is connected with the vertical cover plate, a telescopic cover plate (82) is arranged on the lower longitudinal groove, a water drainage pipe (18) is arranged at the bottom of the left longitudinal groove, a water pump (831) is arranged on the water drainage pipe, and the water tank further comprises a controller (9), and the controller is; the telescopic cover plate comprises a horizontal plate and a plastic connecting sheet wrapped outside the horizontal plate, and the plastic connecting sheet is hermetically connected with the pool bottom;
the method comprises the following steps:
(1-1) leaving 10-30 cm of water in the pool, wherein the vertical cover plate is positioned in the lower longitudinal groove, and the telescopic cover plate is closed;
the controller controls the first motor to work, the first motor drives the cylindrical brushing structure to rotate, and the cylindrical brushing structure cleans the bottom of the pool;
(1-2) the controller controls the second motor to work, and the 2-chain belt drives the movable cylindrical brushing structure to move from left to right;
when the cylindrical brushing structure moves to the right end of the water pool, the controller controls the second motor to work, and the 2-chain belt drives the cylindrical brushing structure to move from right to left;
(1-3) enabling the cylindrical scrubbing structure to reciprocate left and right, when the cylindrical scrubbing structure reaches the right end of the water pool Mth time, controlling the cylindrical scrubbing structure to move into the left longitudinal groove by the controller, controlling the first motor and the second motor to stop working, controlling the water pump to work by the controller, and discharging the sewage at the bottom of the washed water pool out of the water pool through the drainage pipe;
(1-4) the controller controls the air cylinder to drive the vertical cover plate to move upwards, the opening of the left longitudinal groove is sealed by the vertical cover plate, and meanwhile the telescopic cover plate extends upwards and stretches.
2. The method of claim 1, wherein the tubular scrubbing structure comprises a circular ring-shaped housing (21) and a plurality of bristles (22) mounted on the circular ring-shaped housing, the circular ring-shaped housing having an extension tube (27) attached to the longitudinal shaft by screws.
3. The method for cleaning the bottom of the water pool according to the claim 2, wherein a plurality of air outlet branch pipes (23) are arranged on the circular shell, one end of the air pipe extends into the circular shell and is connected with each air outlet branch pipe, and an air pump (24) is arranged on the air pipe; a plurality of water outlet branch pipes (25) are arranged on the circular shell, one end of a water pipe extends into the circular shell and is connected with each water outlet branch pipe, a booster pump (26) is arranged on the water pipe, and the controller is respectively electrically connected with the air pump and the booster pump; the controller controls the booster pump and the air pump to work, in the process that the cylindrical scrubbing structure rotates and rubs the pool bottom, the cylindrical scrubbing structure sprays air and water to the pool bottom, the air flow and the water flow hit dirt on the pool bottom, and the pool bottom is cleaned more cleanly.
4. The method of claim 1, wherein a horizontal partition (12) is disposed in the left longitudinal groove, the horizontal partition dividing the left longitudinal groove into an upper chamber and a lower chamber, the cylindrical scrubbing structure and the longitudinal axis being disposed in the lower chamber;
a retractor (13) is arranged in the upper cavity, and a roller shutter (14) is arranged on the retractor; the front side wall and the rear side wall of the water pool are respectively provided with a transversely extending guide groove, and the front part and the rear part of the roller shutter respectively extend into the 2 guide grooves; a third motor (15) is arranged in the right side wall of the water pool, the third motor is connected with a longitudinal roller (16), and the longitudinal roller is respectively connected with the right front part and the right rear part of the roller shutter through a rope (17); the third motor and the retractor are electrically connected with the controller; it is characterized in that the utility model is characterized in that,
(1-1) further comprising the steps of: the controller controls the third motor to work, so that the roller shutter covers the bottom of the pool, and the third motor stops working;
the method also comprises the following steps between the step (1-3) and the step (1-4):
the controller controls the retractor to work, the roller shutter is retracted, the roller shutter returns to the upper cavity, and the retractor stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656113.5A CN108704909B (en) | 2018-06-24 | 2018-06-24 | Pool bottom cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656113.5A CN108704909B (en) | 2018-06-24 | 2018-06-24 | Pool bottom cleaning device and method |
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| CN108704909A CN108704909A (en) | 2018-10-26 |
| CN108704909B true CN108704909B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810656113.5A Active CN108704909B (en) | 2018-06-24 | 2018-06-24 | Pool bottom cleaning device and method |
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| CN (1) | CN108704909B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109601470A (en) * | 2018-11-20 | 2019-04-12 | 浙江省淡水水产研究所 | A kind of pond inner recirculation flow water cultivation trench bottom sewage disposal apparatus |
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| CN108704909A (en) | 2018-10-26 |
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