Autonomous pool cleaning robot with an external docking station

• US 9,903,130 B2
• Filed: 05/13/2015
• Issued: 02/27/2018
• Est. Priority Date: 12/22/2012
• Status: Active Grant

• Current Assignee: Maytronics Ltd (Kibbutz Yizreel)
• Original Assignee: Maytronics Ltd (Kibbutz Yizreel)
• Inventors: Witelson, Shay, Golan, Oded, Ben Dov, Boaz, Gilead, Amir
• Primary Examiner(s): Norris, Claire A
• Application Number:
  US14/710,615
• Publication Number:
  US 20150314453A1
• Time in Patent Office: 1,021 Days
• Field of Search: 210107, 2101671, 15 17
• CPC Class Codes: A61L 2/10 Ultraviolet radiation
• CPC Class Codes: B25J 11/00 Manipulators not otherwise provided for
• CPC Class Codes: E04H 4/1654 Self-propelled cleaners
• CPC Class Codes: E04H 4/1672 Connections to the pool water circulation system
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment

Abstract

An external docking station may be provided and may include a filter manipulator that is arranged to (i) input a filter into a pool cleaning robot that exited a pool and is located in a filter replacement position and to (ii) assist in positioning the filter at a filtering position in which the filter is at least partially disposed within a fluid path formed between a first fluid opening and a second fluid opening of the housing thereby allowing the filter to apply a filtering operation on fluid that passes through the fluid path.

Claims

1. An external docking station, comprising:

a filter manipulator that is arranged to (i) input without human intervention, a filter into a pool cleaning robot that exited a pool and is located in a filter replacement position and to (ii) assist without human intervention, in positioning the filter at a filtering position in which the filter is at least partially disposed within a fluid path formed between a first fluid opening and a second fluid opening of a housing of the pool cleaning robot thereby allowing the filter to apply a filtering operation on fluid that passes through the fluid path.

2. The external docking station according to claim 1 wherein the filter manipulator comprises a filter storage module that comprises a first portion that is arranged to store the filter before the filter is inputted to the pool cleaning robot and a second portion that is arranged to store a used filter after the the used filter was outputted from the pool cleaning robot;

wherein when the pool cleaning robot is positioned at the filter replacement position then the pool cleaning robot is positioned between the first portion and the second portion.

3. The external docking station according to claim 1 further comprising a winding and unwinding mechanism that is arranged to wind and unwind an interfacing device that is interfaced by the pool cleaning robot during at least one process out of a pool exit process and a propagation process towards the external docking station.

4. The external docking station according to claim 3 wherein the filter manipulator comprises a filter storage module that comprises a first portion that is arranged to store the filter before the filter is inputted to the pool cleaning robot and a second portion that is arranged to store a used filter after the used filter was outputted from the pool cleaning robot;

wherein there is a gap between the first portion and the second portion, wherein when the pool cleaning robot is positioned at the filter replacement position then the pool cleaning robot is positioned in the gap between the first portion and the second portion;

wherein the winding and unwinding mechanism is configured to unwind the interface device thereby causing the interface device to propagate through the gap.

5. The external docking station according to claim 4 wherein the first portion is positioned within a first enclosure;

wherein the second portion is positioned with a second enclosure.

6. The external docking station according to claim 1 comprising an electric cable winding and unwinding mechanism that is arranged to wind and unwind an electric cable that is configured to supply power to the pool cleaning robot.

7. The external docking station according to claim 6 wherein the filter manipulator comprises a filter storage module that comprises a first portion that is arranged to store the filter before the filter is inputted to the pool cleaning robot and a second portion that is arranged to store a used filter after the used filter was outputted from the pool cleaning robot;

wherein the first portion is positioned within a first enclosure;

wherein the second portion is positioned with a second enclosure; and

wherein the electric cable winding and unwinding mechanism is positioned within the first enclosure or the second enclosure.

8. The external docking station according to claim 5 wherein the first enclosure comprises a first opening for outputting the filter into the pool cleaning robot;

wherein the second enclosure comprises a second opening for receiving the used filter from the pool cleaning robot.

9. The external docking station according to claim 8 wherein the first opening and the second opening are positioned at a same relative location on the first and second enclosures respectively.

10. The external docking station according to claim 1 further comprising at least one power supply element for contacting at least one element of the pool cleaning robot and providing power to the at least one element of the pool cleaning robot.

11. The external docking station according to claim 10 wherein the at least one power supply element is positioned in a second housing;

wherein the filter manipulator comprises a filter storage module that comprises a first portion that is arranged to store the filter before the filter is inputted to the pool cleaning robot and a second portion that is arranged to store a used filter after the used filter was outputted from the pool cleaning robot.

12. The external docking station according to claim 11 wherein the first portion, the second portion and the second housing are positioned at three sides of the pool cleaning robot when the pool cleaning robot is positioned at the filter replacement position.

13. The external docking station according to claim 1 comprising at least one rotating element for interfacing between the external docking station and a surface on which the external surface propagates.

14. The external docking station according to claim 1 comprising a first contactless charging element that is arranged to (a) be fed by an electrical supply module and (b) generate an electromagnetic field during at least one period during which a second contactless charging element of a pool cleaning robot is within a charging range from the first contactless charging element, and wherein the electromagnetic field charges the second contactless charging element.

15. The external docking station according to claim 1 comprising at least one radiation source for emitting electromagnetic radiation.

16. The external docking station according to claim 1 comprising multiple spaced apart radiation sources for emitting electromagnetic radiation that assist in a navigation of the pool cleaning robot towards the external docking station.

17. The external docking station according to claim 1 comprising a washing module for washing the pool cleaning robot internal cavity.

18. The external docking station according to claim 1 comprising a fluid conduit that faces an opening of the pool cleaning robot and is configured to washing an interior of the pool cleaning robot.

19. The external docking station according to claim 1 wherein the filter manipulator is arranged to position the filter at the filtering position.

20. The external docking station according to claim 1 wherein the filter manipulator is arranged to receive multiple filters and to feed at least two filters in the robot.

21. The external docking station according to claim 1 wherein the filter manipulator comprises a filter storage module that is arranged to store multiple used filters after the used filters were outputted from the pool cleaning robot.

22. The external docking station according to claim 1 wherein the filter manipulator comprises a filter storage module that is arranged to store multiple filters before the multiple filters are inputted to the pool cleaning robot.

23. The external docking station according to claim 1 wherein the filter manipulator comprises a filter storage module that is arranged to store multiple used filters after the used filters were outputted from the pool cleaning robot and is arranged to store multiple filters before the multiple filters are inputted to the pool cleaning robot.

24. The external docking station according to claim 1 wherein the filter manipulator comprises a first portion for storing the filter and for feeding the filter to the pool cleaning robot and a second portion for receiving one or more used filters from the robot.

25. The external docking station according to claim 24 wherein the first portion is configured to push a filter onto the pool cleaning robot thereby causing a used filter to exit the robot and be provided to the second portion.

26. The external docking station according to claim 1 wherein the filter manipulator comprises (a) a filter storage module that is arranged to store multiple filters, and (b) a movement mechanism.

27. The external docking station according to claim 26 wherein the movement mechanism is arranged to move at least one of the filter storage module and the filter in order to input the filter into the pool cleaning robot.

28. The external docking station according to claim 26 wherein the movement mechanism is further arranged to assist in moving the filter within the housing thereby placing another filter of the multiple filters at the filtering position.

29. The external docking station according to claim 26 wherein the filter storage module has a radial symmetry.

30. The external docking station according to claim 26 wherein the movement mechanism comprises (a) a rotation unit that is arranged to rotate the filter storage module thereby positioning the filter in front of a filter opening formed in the pool cleaning robot, and (b) an insertion and ejection module that is arranged to cause the filter to pass through the filter opening.

31. The external docking station according to claim 30 wherein the filter opening is formed at the bottom of the pool cleaning robot and wherein the insertion and ejection module is arranged to lift the filter and insert the filter into the pool cleaning robot through the filter opening.

32. The external docking station according to claim 26 wherein the movement mechanism is arranged to input the filter in the pool cleaning robot by moving the filter without moving a filter storage module of the filter manipulator.

33. The external docking station according to claim 26 wherein the filter manipulator is arranged to assist in an outputting of the filter from the robot.

34. The external docking station according to claim 1 further comprising a processing module for processing used filters that were outputted from the pool cleaning robot.

35. The external docking station according to claim 34 wherein the processing module is arranged to compress the used filters.

36. The external docking station according to claim 34 wherein the processing module is arranged to shred the used filters.

37. The external docking station according to claim 34 wherein the processing module is arranged to sanitize the used filters.

38. The external docking station according to claim 1 further comprising a sanitizer for sanitizing used filters.

39. A docking station, comprising:

a filter or a debris collecting container manipulator that is arranged to (i) input without human intervention, a filter or a debris collecting container into a cleaning robot that exited a work area and is located in a filter or a debris collecting container replacement position and to (ii) assist without human intervention, in positioning the filter or a debris collecting container at a filtering or debris collecting position in which the filter or debris collecting container is at least partially disposed within a fluid or a debris collecting path formed between a first fluid or debris ingress opening and a second egress opening in the housing thereby allowing the filter or debris collecting container to apply a filtering or debris ingress operation on fluid or debris that passes through the fluid or debris collecting path.