HEAT DISSIPATING DEVICE HAVING COLORED LIGHTING AND PERSISTENCE EFFECT

• US 20190317577A1
• Filed: 04/13/2018
• Published: 10/17/2019
• Est. Priority Date: 04/13/2018
• Status: Active Grant

• Current Assignee: Cooler Master Development Corporation
• Original Assignee: Cooler Master Technology Inc.
• Inventors: Lin, Roger, WANG, Tzyy-Ing
• Granted Patent: US 10,768,677 B2
• Time in Patent Office: Days
• CPC Class Codes: F04D 13/0673 the motor being of the inside-out type
• CPC Class Codes: F04D 29/005 Decorative aspects, i.e. features which have no effect on the functioning of the pump
• CPC Class Codes: F04D 29/426 especially adapted for liquid pumps
• CPC Class Codes: F04D 29/628 especially adapted for liquid pumps
• CPC Class Codes: F21V 23/003 the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
• CPC Class Codes: F21V 33/0092 with heating or cooling devices
• CPC Class Codes: F21V 33/0096 Fans, e.g. ceiling fans forced cooling of lighting devices characterised by the arrangement of fans F21V29/67
• CPC Class Codes: G02B 6/0011 the light guides being planar or of plate-like form
• CPC Class Codes: G02B 6/0068 Arrangements of plural sources, e.g. multi-colour light sources
• CPC Class Codes: G02B 6/0075 Arrangements of multiple light guides G02B6/0028 takes precedence
• CPC Class Codes: G02B 6/0086 Positioning aspects
• CPC Class Codes: G06F 1/20 Cooling means
• CPC Class Codes: G06F 1/206 comprising thermal management
• CPC Class Codes: G06F 2200/201 Cooling arrangements using cooling fluid
• CPC Class Codes: H05K 7/20172 Fan mounting or fan specifications
• CPC Class Codes: H05K 7/20209 Thermal management, e.g. fan control
• CPC Class Codes: H05K 7/20263 Heat dissipaters releasing heat from coolant
• CPC Class Codes: H05K 7/20272 Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
• CPC Class Codes: H05K 7/20281 Thermal management, e.g. liquid flow control

Abstract

A heat dissipating device includes a bottom assembly, a first light guide positioned on the bottom assembly, a first light assembly positioned on the first light guide, and an outer cover positioned on the bottom assembly and at least partially enclosing the bottom assembly, the first light guide, and the first light assembly. The outer cover defines a first opening on a top surface thereof, at least a portion of the first light guide is received in the first opening, and light from the first light assembly is emitted from the heat dissipating device through the exposed portion of the first light guide.

Claims

1. A heat dissipating device, comprising:

a bottom assembly;

a first light guide positioned on the bottom assembly;

a first light assembly positioned on the first light guide; and

an outer cover positioned on the bottom assembly and at least partially enclosing the bottom assembly, the first light guide, and the first light assembly, wherein;

the outer cover defines a first opening on a top surface thereof,

at least a portion of the first light guide is received in the first opening, and

light from the first light assembly is emitted from the heat dissipating device through the exposed portion of the first light guide.

2. The heat dissipating device of claim 1, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device,

a base including a stator portion and a rotor portion, wherein;

the inlet unit is positioned on the base, and

the inlet unit and the base cooperatively define a pump chamber, the pump chamber including the stator portion and the rotor portion, and the pump chamber being fluidly coupled to the inlet unit.

3. The heat dissipating device of claim 2, wherein the rotor portion includes a plurality of blades that are curved opposite to a direction of rotation of the rotor portion.

4. The heat dissipating device of claim 2, wherein the rotor portion includes a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades and the top circular plate have contrasting colors with respect to each other.

5. The heat dissipating device of claim 2, wherein the rotor portion includes a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the top circular plate has a contrasting color with respect to each of an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit.

6. The heat dissipating device of claim 2, wherein the rotor portion includes a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades have a contrasting color with respect to each of an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit.

7. The heat dissipating device of claim 2, wherein the heat exchange unit includes:

a base plate configured to dissipate heat and including a heat exchanger;

a sealing cover coupled to the base plate and at least partially enclosing the heat exchanger, the sealing cover and the base plate defining a heat exchange chamber that includes the heat exchanger, the sealing cover defining a second opening positioned above the heat exchange unit; and

a cover plate coupled to the base plate, the cover plate including;

an outlet of the heat dissipating device,

a third opening in fluid communication with the heat exchange chamber through the second opening, and

a fourth opening defined adjacent the outlet, wherein the fourth opening is in fluid communication with the outlet, and is in fluid communication with the heat exchange chamber through the second opening.

8. The heat dissipating device of claim 2, further comprising a liquid guiding unit disposed in the inlet unit and configured to guide liquid to the pumping chamber.

9. The heat dissipating device of claim 1, wherein:

the first light guide includes a circular protrusion on an upper surface of the first light guide,

the circular protrusion is received in the first opening; and

the first light assembly is annular and disposed about the circular protrusion.

10. The heat dissipating device of claim 1, wherein:

the outer cover includes an elongated slot defined on an outer circumferential surface thereof, and

the first light guide includes a curved protrusion extending radially from an outer circumferential end of the first light guide, wherein;

the curved protrusion is received in the elongated slot, and

an end surface of the curved protrusion is flush with the outer circumferential surface of the outer cover.

11. The heat dissipating device of claim 10, further comprising a second light guide disposed in the bottom assembly,

wherein the outer cover defines a second opening and a third opening on the outer circumferential surface thereof, and the second light guide is received in the second opening and the third opening.

12. The heat dissipating device of claim 11, wherein the second light guide includes a first curved part and a second curved part each received in a corresponding one of the second opening and the third opening, and wherein radially outer surfaces of each of the first and second curved parts are flush with the outer circumferential surface of the outer cover.

13. The heat dissipating device of claim 11, further comprising a second light assembly disposed on the second light guide.

14. The heat dissipating device of claim 1, further comprising a glass cover positioned between the bottom assembly and the first light guide.

15. The heat dissipating device of claim 1, wherein the outer cover is at least in part translucent.

16. The heat dissipating device of claim 1, further comprising a processor controlling a first light source in the first light assembly to turn on/off at a first frequency determined at least based on a rotational speed of a plurality of blades of a motor of the heat dissipating device.

17. The heat dissipating device of claim 16, wherein the processor determines the first frequency in accordance one of the Equations

18. The heat dissipating device of claim 17, further comprising an input receiving a first input to enable the processor to change the value of C in accordance with the first user input or a predetermined value.

19. The heat dissipating device of claim 18, wherein the processor updates, based on Equation (1), the first frequency f based on a change in the value of C.

20. The heat dissipating device of claim 18, wherein rotational speed of the plurality of blades is varied based on a second input.

21. The heat dissipating device of claim 20, wherein the processor updates the first frequency based on a change in the rotational speed of the plurality of blades.

22. The heat dissipating device of claim 16, wherein the processor is configured, while maintaining the rotational speed of the plurality of blades, to control the first light source to turn on/off at a frequency which is higher or lower than the first frequency.

23. The heat dissipating device of claim 16, wherein the light assembly comprises a second light source configured to emit light having a color different from that of the first light source, and

wherein the processor independently controls at least one of the first light source and the second light source.

24. The heat dissipating device of claim 23, wherein the processor controls at least one of the first light source and the second light source to turn on/off at the first frequency for a first time period and controls at least one of the first and second light sources to turn on/off at a second frequency for a second time period, wherein the first and second time periods are successive.

25. The heat dissipating device of claim 23, wherein, during a same period, the processor controls the first light source to turn on/off at the first frequency and controls the second light source to turn on/off at a second frequency different from the first frequency.

26. The heat dissipating device of claim 25, wherein the first frequency is equal to R/60×

N×

C, wherein R is the rotational speed in revolutions per minute, N is number of the plurality of blades, and C is a natural number.

27. The heat dissipating device of claim 25, wherein none of the first frequency and the second frequency is equal to R/60×

N×

C, wherein which R is the rotational speed in revolutions per minute, N is number of the plurality of blades, and C is a natural number.

28. The heat dissipating device of claim 23, wherein, during a same period, the processor controls the first light and second sources to turn on/off at the first frequency.

29. A heat dissipating device, comprising:

a bottom assembly;

a first light guide positioned on the bottom assembly and including a circular protrusion on an upper surface thereof and two curved protrusions extending radially from an outer circumferential end of the first light guide;

a first light assembly positioned on the first light guide; and

an outer cover positioned on the bottom assembly and at least partially enclosing the bottom assembly, the first light guide, and the first light assembly, wherein;

the outer cover defines a first opening on a top surface thereof, and defines a second opening and a third opening on an outer circumferential surface of the outer cover and adjacent the top surface,

at least a portion of the first light assembly is received in the first opening,

the two curved protrusions are received in a corresponding one of the second opening and the third opening, and

light from the first light assembly is emitted from the heat dissipating device through the portion of the first light assembly in the first opening and through the two curved protrusions.

30. The heat dissipating device of claim 29, wherein end surfaces of the two curved protrusion are flush with the outer circumferential surface of the outer cover.

31. The heat dissipating device of claim 29, wherein a top surface of the circular protrusion is flush with the top surface of the outer cover.

32. The heat dissipating device of claim 29, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades and the top circular plate have contrasting colors with respect to each other.

33. The heat dissipating device of claim 29, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the top circular plate has a contrasting color with respect to each of an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit.

34. The heat dissipating device of claim 29, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades have a contrasting color with respect to each of an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit.

35. A heat dissipating device, comprising:

a bottom assembly;

a first light guide positioned on the bottom assembly and including a circular protrusion on an upper surface thereof and two curved protrusions extending radially from an outer circumferential end of the first light guide;

a first light assembly positioned on the first light guide;

a second light guide including a first curved part and a second curved part each disposed in the bottom assembly;

a second light assembly disposed on the second light guide; and

an outer cover positioned on the bottom assembly and at least partially enclosing the bottom assembly, the first light guide, the first light assembly, the second light guide, and the second light assembly, wherein;

the outer cover defines a first opening on a top surface thereof, a second opening and a third opening on an outer circumferential surface of the outer cover and adjacent the top surface, and a fourth opening and a fifth opening on the outer circumferential surface of the outer cover and adjacent a lower end of the outer cover,

at least a portion of the first light assembly is received in the first opening,

the two curved protrusions are received in a corresponding one of the second opening and the third opening,

the first and second curved parts are received in a corresponding one of the fourth opening and the fifth opening, and

light from the first light assembly is emitted from the heat dissipating device through the portion of the first light assembly in the first opening, through the two curved protrusions, and through the first and second curved parts.

36. The heat dissipating device of claim 35, wherein radially outer surfaces of each of the first and second curved parts are flush with the outer circumferential surface of the outer cover.

37. The heat dissipating device of claim 35, wherein end surfaces of the two curved protrusion are flush with the outer circumferential surface of the outer cover.

38. The heat dissipating device of claim 35, wherein a top surface of the circular protrusion is flush with the top surface of the outer cover.

39. The heat dissipating device of claim 35, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades and the top circular plate have contrasting colors with respect to each other.

40. The heat dissipating device of claim 35, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the top circular plate has a contrasting color with respect to each of an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit.

41. The heat dissipating device of claim 35, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades have a contrasting color with respect to each of an inner circumferential surface and a top surface of a rim of the inlet unit.

42. A heat dissipating device, comprising:

a bottom assembly;

a first light guide positioned on the bottom assembly;

a first light assembly positioned adjacent a circumferential end surface of the first light guide; and

an outer cover positioned on the bottom assembly and at least partially enclosing the bottom assembly, the first light guide, and the first light assembly, wherein;

the outer cover defines a first opening on a top surface thereof,

at least a portion of the first light guide is received in the first opening, and

light from the first light assembly is emitted from the heat dissipating device through the portion of the first light guide received in the first opening.

43. The heat dissipating device of claim 42, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades and the top circular plate have contrasting colors with respect to each other.

44. The heat dissipating device of claim 42, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the top circular plate has a contrasting color with respect to each of an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit.

45. The heat dissipating device of claim 42, wherein the bottom assembly includes a pumping unit positioned on a heat exchange unit and fluidly coupled thereto, wherein the pumping unit includes:

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein the plurality of blades have a contrasting color with respect to each of an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit.

46. A heat dissipating device, comprising:

a bottom assembly;

a first light guide positioned on the bottom assembly;

a first light assembly positioned on the first light guide; and

an outer cover positioned on the bottom assembly and at least partially enclosing the bottom assembly, the first light guide, and the first light assembly, wherein;

the outer cover defines a first opening on a top surface thereof,

at least a portion of the first light guide is received in the first opening, and

light from the first light assembly is emitted from the heat dissipating device through the exposed portion of the first light guide,

the bottom assembly includes;

an inlet unit fluidly coupled to an inlet of the heat dissipating device; and

a base including a stator portion and a rotor portion, the rotor portion including a plurality of blades disposed on a top circular plate of the rotor portion, and

wherein two of (1) the plurality of blades, (2) an inner circumferential surface of the inlet unit and a top surface of a rim of the inlet unit, and (3) the top circular plate have contrasting colors with respect to each other.