Airflow detection system having an airflow indicating device

• US 7,248,942 B2
• Filed: 02/19/2004
• Issued: 07/24/2007
• Est. Priority Date: 02/19/2004
• Status: Active Grant

• Current Assignee: Hewlett Packard Enterprise Development LP (Hewlett-Packard Enterprise Company)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Forman, George, Bash, Cullen E., Sharma, Ratnesh
• Primary Examiner(s): Bahta; Kidest
• Application Number:
  US10/780,631
• Publication Number:
  US 20050187664A1
• Time in Patent Office: 1,251 Days
• Field of Search: 700/213, 700/245, 700/276, 700/214, 700/79, 700/229, 700/300, 732/042.6, 732/041.6, 732/041.9, 367/00, 366/87, 718/100, 709/100, 671/32, 374/109
• US Class Current: 700/213
• CPC Class Codes: F24F 11/30 for purposes related to the operation of the system, e.g. for safety or monitoring
• CPC Class Codes: F24F 11/52 Indication arrangements, e.g. displays
• CPC Class Codes: F24F 2110/00 Control inputs relating to air properties
• CPC Class Codes: F24F 2110/30 Velocity
• CPC Class Codes: F24F 2221/40 HVAC with raised floors
• CPC Class Codes: H05K 7/20745 within rooms for removing heat from cabinets, e.g. by air conditioning device
• CPC Class Codes: H05K 7/20836 Thermal management, e.g. server temperature control

Abstract

According to an embodiment, the present invention pertains to a system for detecting airflow in a room. The system includes an airflow indicating device having a movable component whose movement substantially corresponds to airflow in a vicinity of the airflow indicating device. The system also includes cooling system components and a computer system configured to control the cooling system components substantially based upon movement of the movable component.

Claims

1. A system for detecting airflow in a room, said system comprising:

an airflow indicating device having a movable component whose movement directly corresponds to a direction of airflow in a vicinity of the airflow indicating device;

one or more imaging devices positioned to image the airflow indicating device;

cooling system components; and

a computer system, said one or more imaging devices being configured to transmit obtained images of the airflow indicating device to the computer system, and wherein the computer system is configured to control the cooling system components substantially based upon movement of the movable component.

2. The system according to claim 1, wherein the movable component comprises a nearly massless streamer configured to flow in the direction of airflow in a vicinity of the airflow indicating device.

3. The system according to claim 1, wherein the movable component comprises a movable mass configured to rotate about an axis in response to airflow in a vicinity of the airflow indicating device.

4. The system according to claim 3, wherein the movable mass comprises a color changing material, said color changing material configured to change color based upon a temperature of the air in the vicinity of the airflow indicating device.

5. The system according to claim 1, wherein the movable component comprises a windsock configured to rotate about an axis in response to airflow in a vicinity of the airflow indicating device.

6. The system according to claim 1, wherein the airflow indicating device comprises at least one sensor configured to detect airflow magnitude.

7. The system according to claim 1, wherein the airflow indicating device comprises at least one sensor configured to detect temperature in a vicinity of the airflow indicating device.

8. The system according to claim 1, wherein the airflow indicating device comprises a pole having a height, said pole comprising a plurality of movable components attached at various heights of the pole.

9. The system according to claim 8, wherein the pole further comprises a plurality of sensors attached at various heights of the pole.

10. The system according to claim 9, wherein the sensors are attached to one or more temperature indicators.

11. The system according to claim 8, wherein the pole comprises a base configured to support the pole.

12. The system according to claim 8, wherein the airflow indicating device is attached on a robotic device configured to traverse the room.

13. The system according to claim 1, wherein the one or more imaging devices are movable.

14. The system according to claim 1, further comprising:

a robotic device configured to traverse the room, said robotic device comprising at least one of the one or more imaging devices configured to image the airflow indicating device and a memory to store the image.

15. The system according to claim 14, wherein the robotic device is configured to communicate with the computer system and to transmit the stored image.

16. The system according to claim 15, wherein at least one of the robotic device and the computer system comprises image recognition software configured to determine the movement of the movable component.

17. The system according to claim 14, wherein the robotic device further comprises a manipulator configured to grasp and position the airflow indicating device.

18. The system according to claim 14, wherein the robotic device comprises the computer system.

19. A system for detecting airflow in a room, said system comprising:

a pole;

a plurality of movable components attached at various heights of the pole, wherein the plurality of movable components are configured to move in a direction of the airflow in a vicinity of the pole to thereby indicate the direction of airflow; and

one or more imaging devices positioned in the room to image the plurality of movable components, said one or more imaging devices being configured to transmit obtained images of the plurality of movable components to a computer system.

20. The system according to claim 19, further comprising a plurality of sensors attached at various heights of the pole, wherein the plurality of sensors are configured to detect at least one of airflow magnitude and temperature.

21. The system according to claim 20, wherein the sensors are attached to one or more temperature indicators configured to visually indicate the temperatures at one or more of the heights of the pole.

22. The system according to claim 19, wherein the pole comprises a base configured to independently support the pole.

23. The system according to claim 19, wherein the pole is attached on a robotic device configured to traverse the room.

24. A method for reducing air re-circulation in a room, said method comprising:

detecting one or more airflow conditions at one or more locations in the room;

determining airflow directions at the one or more locations;

determining whether the airflow directions are acceptable; and

manipulating one or more cooling system components to bring airflow directions within acceptable ranges in response to the airflow directions being unacceptable to thereby reduce air re-circulation in the room.

25. The method according to claim 24, further comprising:

positioning a plurality of airflow indicating devices having movable components at the one or more locations in the room; and

wherein the step of determining airflow directions comprises visually determining movement of the movable components to determine the airflow directions.

26. The method according to claim 25, wherein the step of visually determining movement comprises imaging the plurality of airflow indicating devices with one or more imaging devices.

27. The method according to claim 26, wherein the step of imaging the plurality of airflow indicating devices comprise imaging the plurality of airflow indicating devices with an imaging device of a robotic device configured to traverse the room.

28. The method according to claim 27, wherein the robotic device comprises a manipulator, and wherein the step of positioning the plurality of airflow indicating devices comprises positioning the plurality of airflow indicating devices with the manipulator of the robotic device.

29. The method according to claim 25, further comprising:

determining at least one of airflow magnitude and temperature in the vicinities of the plurality of airflow indicating devices in response to the airflow directions being unacceptable.

30. The method according to claim 29, further comprising:

determining whether at least one of the airflow magnitudes and temperatures is acceptable; and

wherein the step of manipulating one or more cooling system components comprises manipulating the one or more cooling system components to bring at least one of airflow directions, airflow magnitudes and temperatures within acceptable ranges in response to at least one of the airflow magnitudes and temperatures being unacceptable.

31. The method according to claim 29, wherein the step of determining at least one of airflow magnitude and temperature in the vicinities of the plurality of airflow indicating devices comprises detecting at least one of the airflow magnitude and temperature with one or more sensors of a robotic device configured to traverse the room.

32. The method according to claim 25, wherein movable components of the plurality of airflow indicating devices comprise a starting position, and wherein the step of determining airflow directions at the one or more locations comprises implementing an image recognition software configured to determine a deviation of the movable components from the starting positions.

33. A system for reducing air re-circulation in a room, said system comprising:

means for detecting one or more airflow conditions at one or more locations in the room;

means for determining airflow directions at the one or more locations;

means for determining whether the airflow directions are acceptable; and

means for manipulating one or more cooling system components to bring airflow directions within acceptable ranges to thereby reduce air re-circulation in the room.

34. The system according to claim 33, further comprising:

means for imaging the means for determining airflow directions.

35. The system according to claim 34, wherein the means for imaging comprises at least one of a movable imaging device and an imaging device of a robotic device.

36. The system according to claim 33, further comprising:

means for positioning the means for determining airflow directions.

37. The system according to claim 33, further comprising:

means for determining at least one of airflow magnitude and temperature in the vicinities of the means for determining airflow directions.

38. A computer readable storage medium on which is embedded one or more computer programs, said one or more computer programs implementing a method for reducing air re-circulation in a room, said one or more computer programs comprising a set of instructions for:

detecting one or more airflow conditions at one or more locations in the room;

determining airflow directions at the one or more locations;

determining whether the airflow directions are acceptable; and

manipulating one or more cooling system components to bring airflow directions within acceptable ranges in response to the airflow directions being unacceptable to thereby reduce air re-circulation in the room.

39. The computer readable storage medium according to claim 38, said one or more computer programs further comprising a set of instructions for:

visually determining movement of airflow indicating devices to determine the airflow directions.

40. The computer readable storage medium according to claim 39, said one or more computer programs further comprising a set of instructions for:

imaging the airflow indicating devices with one or more imaging devices.

41. The computer readable storage medium according to claim 39, said one or more computer programs further comprising a set of instructions for:

determining at least one of airflow magnitude and temperature in the vicinities of the plurality of airflow indicating devices in response to the airflow directions being unacceptable.

42. The computer readable storage medium according to claim 41, said one or more computer programs further comprising a set of instructions for:

determining whether at least one of the airflow magnitudes and temperatures is acceptable; and

manipulating the one or more cooling system components to bring at least one of airflow directions, airflow magnitudes and temperatures within acceptable ranges in response to at least one of the airflow magnitudes and temperatures being unacceptable.

43. The computer readable storage medium according to claim 39, wherein the airflow indicating devices comprise movable components having starting positions, said one or more computer programs further comprising a set of instructions for:

implementing an image recognition software configured to determine a deviation of the movable components from the starting positions.