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EP-4578562-B1 - AUTOMATIC CLEANING SYSTEM BASED ON CLEANING BALL

EP4578562B1EP 4578562 B1EP4578562 B1EP 4578562B1EP-4578562-B1

Inventors

  • MA, Jielin
  • LI, LINBO
  • XU, XIAOQING
  • LIAO, Junzhi

Dates

Publication Date
20260513
Application Date
20241226

Claims (13)

  1. An automatic cleaning system (10) based on a cleaning ball (300), comprising a delivery pipe (100), connecting pipes (200) and a cleaning ball (300), the delivery pipe (100) being formed with a delivery channel (102), a feed inlet (104), a discharge outlet (106) and two connecting ports (108), the feed inlet (104), the discharge outlet (106) and the two connecting ports (108) being connected to the delivery channel (102), and the feed inlet (104) being configured to be connected to a discharge end of a delivery pump; the number of the connecting pipes (108) being two, and the two connecting pipes being respectively a first connecting pipe and a second connecting pipe; the connecting port (108) connected to the first connecting pipe being arranged close to the feed inlet (104), and the connecting port (108) connected to the second connecting pipe being arranged close to the discharge outlet (106), characterized in that a first in-place sensor is arranged on an outer wall of the delivery channel between the feed inlet (104) and the discharge outlet (106), and the connecting pipes (108) are provided with second in-place sensors (203); wherein the automatic cleaning system (10) further comprises two bypass pipe groups (400), the two bypass pipe groups are respectively a first bypass pipe group and a second bypass pipe group; the first bypass pipe group is connected to the first connecting pipe, and the second bypass group is connected to the second connecting pipe; each said bypass pipe group (400) comprises a central pipe (410), a cleaning liquid feed pipe (420), a compressed air source pipe (430), a slurry discharge pipe (440) and a sewage discharge pipe (450); the central pipe (410) is connected to the delivery pipe by means of a corresponding one of the connecting pipes (108); the central pipe (410) is formed with a cleaning chamber and an air-liquid inlet connected to the cleaning chamber, the cleaning chamber is connected to the cleaning liquid feed pipe (420) and the compressed air source pipe (430) by means of the air-liquid inlet, the cleaning chamber is also connected to the sewage discharge pipe and the slurry discharge pipe (440), the cleaning liquid feed pipe (420) and the compressed air source pipe (430) are both located above the central pipe (410), and the slurry discharge pipe (440) and the sewage discharge pipe (450) are both located below the central pipe (410); a third in-place sensor (403)is arranged on an outer wall, close to the corresponding connecting pipe, of the cleaning chamber of the central pipe (410) of each said bypass pipe group, a fourth in-place sensor (405) is arranged on the outer wall, away from the corresponding connecting pipe, of the cleaning chamber, and a portion, connected to the air-liquid inlet, of the cleaning chamber is located between the third in-place sensor (403)and the fourth in-place sensor (405); the automatic cleaning system (10) further comprises two stop mechanisms (500) which are respectively mounted on the corresponding central pipes (410), and each said stop mechanism (500) is used for pushing the cleaning ball (300) from the cleaning chamber of the corresponding central pipe into the corresponding connecting pipe; the automatic cleaning system further comprises a controller which is electrically connected to the first in-place sensors, the second in-place sensors (203), the third in-place sensor (404), the fourth in-place sensor (405), a control end of the delivery pump, on-off control valves of the cleaning liquid feed pipes (420), on-off control valves of the compressed air source pipes (430), on-off control valves of the slurry discharge pipes (440) and on-off control valves of the sewage discharge pipes (450).
  2. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that each said bypass pipe group further comprises an upper tee, the cleaning chamber is connected to a first end of the upper tee by means of the air-liquid inlet, a second end of the upper tee is connected to the cleaning liquid feed pipe (420), and a third end of the upper tee is connected to the compressed air source pipe (430).
  3. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that each said bypass pipe group further comprises a lower tee, the central pipe is further formed with an air-liquid outlet, the cleaning chamber is connected to a first end of the lower tee by means of the air-liquid outlet, a second end of the lower tee is connected to the slurry discharge pipe (440), and a third end of the lower tee is connected to the sewage discharge pipe.
  4. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that an air pressure control valve is arranged at the discharge outlet (106), and the controller is electrically connected to a control end of the air pressure control valve.
  5. The automatic cleaning system based on a cleaning ball according to Claim 4, characterized in that a pressure sensor is arranged on the inner wall between the feed inlet (104) and the discharge outlet (106) and configured for detecting a pressure in the delivery channel, and the controller is electrically connected to the pressure sensor; when the pressure sensor detects that the pressure in the delivery channel is lower than a preset pressure, the air pressure control valve is closed; otherwise, the air pressure control valve is opened.
  6. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that each said stop mechanism (500) comprises a stop cylinder (510) and a stop pushrod (520), the central pipe (410) of each said bypass pipe group is provided with a mounting hole (413) connected to the cleaning chamber (412), the stop cylinder (510) of each said stop mechanism (500) is mounted in the mounting hole (413) of the central pipe (410) of the corresponding bypass pipe group, and the stop pushrod (520) is connected to a power output shaft of the stop cylinder (510) of the corresponding stop mechanism (500).
  7. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that a ball cage (4122) is arranged in the cleaning chamber (412), an opening of the ball cage (4122) is in communication with the corresponding connecting pipe (200), and an inner wall of the ball cage (4122) is in interference fit with the cleaning ball (300) when the cleaning ball (300) slides into the ball cage (4122).
  8. The automatic cleaning system based on a cleaning ball according to Claim 7, characterized in that a sliding distance of the cleaning ball (300) in the ball cage (4122) is greater than a maximum length of the cleaning ball (300).
  9. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that the on-off control valves of the cleaning liquid feed pipes (420), the on-off control valves of the compressed air source pipes (430), the on-off control valves of the slurry discharge pipes (440) and the on-off control valves of the sewage discharge pipes (450) are all air valves.
  10. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that the automatic cleaning system further comprises two lock mechanisms, each said lock mechanism comprises a lock cylinder and a blocking rod, the lock cylinder of each said lock mechanism is mounted on a peripheral wall of the corresponding connecting pipe, a drive shaft of the lock cylinder of each said lock mechanism is connected to the corresponding blocking rod, a control end of the lock cylinder of each said lock mechanism is in communication connection with the corresponding second in-place sensor, a limit hole is formed in the peripheral wall of each said connecting pipe, and the lock cylinder of each said lock mechanism is configured to drive the corresponding blocking rod to slide along the corresponding limit hole into the corresponding connecting pipe to abut against a recessed portion of the cleaning ball when the corresponding second in-place sensor sends out a sensing signal.
  11. The automatic cleaning system based on a cleaning ball according to Claim 1, characterized in that the controller is a microprogrammed control unit or an industrial computer.
  12. The automatic cleaning system based on a cleaning ball according to any one of Claims 1 to 11, characterized in that the cleaning ball (300) comprises a first ball body and a second ball body which are connected; an annular groove is formed in a joint between the first ball body and the second ball body; an end, away from the second ball body, of the first ball body is embedded with a first magnetic strip; an end, away from the first ball body, of the second ball body is embedded with a second magnetic strip; and an included angle is formed between an extension direction of the first magnetic strip and an extension direction of the second magnetic strip.
  13. The automatic cleaning system based on a cleaning ball according to Claim 12, characterized in that the included angle is equal to 90°

Description

FIELD The application relates to the technical field of new information technology, in particular to an automatic cleaning system based on a cleaning ball. BACKGROUND Lithium battery slurry is delivered by pipes in the production process, and adhesive substances are often adhered to inner walls of the pipes. Particularly after production, lithium battery slurry left in the delivery pipes, if not removed timely, will be adhered to the inner walls of the pipes and caked, affecting to some extent normal transportation of lithium battery slurry in subsequent production, compromising the transportation efficiency of the lithium battery slurry, and in a severe case, leading to a failure to smoothly transport the lithium battery slurry due to blockage. The related art, for example, Chinese Patent Publication No. CN219965865U discloses a cleaning device for cleaning electrode slurry delivery pipes in order to ensure normal transportation of electrode slurry and improve transportation efficiency. The cleaning device comprises a wall scraping portion, a pushing portion and a connecting portion fixedly connected between the wall scraping portion and the pushing portion. A body of the wall scraping portion, a body of the pushing portion and a body of the connecting portion are all columnar and arranged coaxially, such that the slurry delivery efficiency is improved, and the risk of slurry mixing can be avoided when different types of slurry are delivered. Document CN216880877U discloses an automatic cleaning system based on a cleaning ball, comprising a delivery pipe, connecting pipes, and a cleaning ball. The delivery pipe includes a delivery channel, a feed inlet, a discharge outlet, and two connecting ports, all of which are connected to the delivery channel. The feed inlet is configured to connect to the discharge end of a delivery pump. The system features two connecting pipes -designated as first and second- where the port connected to the first pipe is positioned near the feed inlet, and the port connected to the second pipe is positioned near the discharge outlet. Accordingly, CN216880877U discloses the preamble of claim 1. However, a cleaning component in the cleaning device is not used for sealing between a cleaning chamber and a delivery pipe. When a pushball returns into a ball cage to be cleaned after cleaning away slurry in the pipe, cleaning liquid will flow from the cleaning chamber into the delivery pipe, so a large amount of cleaning liquid will be consumed when the pushball is cleaned. To solve the problem of serious waste of cleaning liquid caused by flowing of the cleaning liquid from the cleaning chamber into the delivery pipe, a valve is arranged between the cleaning chamber and the delivery pipe of an existing pushball system to isolate the cleaning chamber from the delivery pipe; and after the pushball is cleaned, the valve is opened to discharge the cleaning liquid from the delivery pipe. To avoid the arrangement of a valve between the cleaning chamber and the delivery pipe, some existing pushball systems adopt a ball as a sealing structure, which needs to slide back and forth to pipes at two ends of the delivery pipe to realize sealing when the whole delivery pipe is cleaned, and in the case, the cleaning liquid is discharged into a slurry tank merely via a discharge outlet, leading to low cleaning efficiency. SUMMARY The objective of the application is to overcome the defects in the prior art by providing an automatic cleaning system based on a cleaning ball, which is high in pipe cleaning efficiency and low in energy consumption. The objective of the application is fulfilled by the following technical solution: An automatic cleaning system based on a cleaning ball comprises a delivery pipe, connecting pipes and a cleaning ball, wherein a delivery channel, a feed inlet, a discharge outlet and two connecting ports are formed in the delivery pipe; the feed inlet, the discharge outlet and the two connecting ports are all connected to the delivery channel; the feed inlet is connected to a discharge end of a delivery pump; the number of the connecting pipes are two, and the two connecting pipes are respectively a first connecting pipe and a second connecting pipe; the connecting port connected to the first connecting pipe is arranged close to the feed inlet, and the connecting port connected to the second connecting pipe is arranged close to the discharge outlet; and first in-place sensors are arranged on an inner wall of the delivery channel between the feed inlet and the discharge outlet, and each connecting pipe is provided with a second in-place sensor. Compared with the prior art, the application has at least the following advantages: 1. According to the automatic cleaning system based on a cleaning ball, the cleaning ball moves in the delivery channel and cleaning chambers of central pipes of two bypass pipe groups, and the first in-place sensors, the second in-place sensors, third in-place