A cooling system for an electronic display may include a heat collector plate with internal gas and liquid phase lines. The cooling plate may be thermally isolated together with electronic components of the display within an enclosure of the display, while external lines carry liquid and gas phase r
A cooling system for an electronic display may include a heat collector plate with internal gas and liquid phase lines. The cooling plate may be thermally isolated together with electronic components of the display within an enclosure of the display, while external lines carry liquid and gas phase refrigerant outside the enclosure to and from the heat collector plate. The external lines may be similar in size to each other and may be connected to the heat collector outside the heat collector plate by a manifold. The heat collector plate contacts a base plate of the electronic display in a thermally conductive relation to transfer heat from electronic components within the display to the gas phase refrigerant. Fans may be included for additional convective heat transfer. A single compressor may be fluidly connected to multiple heat collector plates in respective electronic displays.
대표청구항▼
The invention claimed is: 1. A cooling system for an electronic display, the system comprising: a heat dissipater, a compressor, a liquid phase line, and a gas phase line; a heat collector thermally connected to each of the liquid phase line and the gas line; a cover for enclosing the heat collecto
The invention claimed is: 1. A cooling system for an electronic display, the system comprising: a heat dissipater, a compressor, a liquid phase line, and a gas phase line; a heat collector thermally connected to each of the liquid phase line and the gas line; a cover for enclosing the heat collector within a housing of the electronic display; the cover is adapted for connection to the housing, for enclosing a circuitry of the electronic display, and for enclosing the heat collector in a housing interior, the cover forming a thermal barrier adapted for placement between a housing interior and a housing exterior; and the gas phase line and the liquid phase line pass through the cover. 2. The cooling system of claim 1, further comprising a base thermally coupled to the heat collector, wherein the base is adapted for at least one of thermal connection to an electrical component inside the housing or convective heat transfer from air inside the housing. 3. The cooling system of claim 2, wherein the base comprises: fins to enhance convective heat transfer from circuitry; and at least one recess to accommodate the electrical component. 4. The cooling system of claim 1, wherein: the heat collector is adapted to be enclosed within the housing on an inside of the cover; the heat dissipater is on an outside of the cover and is not adapted to be enclosed in the housing; and the liquid phase line and the gas phase line traverse the cover. 5. The cooling system of claim 1, wherein the housing is adapted to form an enclosure together with the cover, the cooling system further comprising insulation adapted for mounting on interior surfaces of the enclosure. 6. The cooling system of claim 5, wherein the insulation is adapted to cover generally all of the interior surfaces except for a surface through which a display screen is viewed. 7. The cooling system of claim 5, wherein the insulation is adapted to cover generally all of the interior surfaces of the enclosure. 8. The cooling system of claim 1, further comprising a first sensor in a downstream end of the liquid phase line. 9. The cooling system of claim 8, further comprising a second sensor in a downstream end of the gas phase line. 10. The cooling system of claim 1, further comprising: a plurality of liquid phase lines including said liquid phase line and a plurality of gas phase lines including said gas phase line, the liquid phase lines and the gas phase lines adapted for thermal connection to a plurality of electronic displays including said electronic display; a plurality of heat collectors including said heat collector, the plurality of heat collectors thermally connected to respective ones of the plurality of liquid phase lines and to respective ones of the plurality of gas phase lines; and a plurality of covers including said cover, the plurality of covers adapted for enclosing respective heat collectors of the plurality of heat collectors within housings including said housing of respective ones of said electronic displays; wherein the compressor is a common compressor for said plurality of electronic displays and the compressor is connected to the heat collectors by respective ones of the liquid phase lines, and by respective ones of the gas phase lines. 11. The cooling system of claim 10, further comprising a regulator in fluid communication with the compressor and the plurality of liquid phase and gas phase lines, wherein at least the compressor is located remotely relative to the plurality of heat collectors. 12. The cooling system of claim 1, further comprising: a composite line in the heat collector, the liquid phase line and the gas line joined together and forming the composite line; and a first end of the composite line comprising both of an inlet for the liquid phase line and an outlet for the gas line. 13. The cooling system of claim 1, further comprising: a composite line including the liquid phase line and the gas line integrally combined; and a thermal connection between the liquid phase line and the heat collector, the thermal connection including at least one of conduction through a mastic, conduction through at least one component of the composite line, and convection through a gas phase material in the gas line, the thermal connection extending along a length of the composite line in the heat collector. 14. An electronic display and cooling system, comprising: a housing holding circuitry; a heat collector inside the housing; a gas phase line and a liquid phase line; a heat dissipater external to the housing, the heat dissipater thermally connected to the heat collector by the gas phase line and the liquid phase line; and a composite line including the liquid phase line and the gas phase line each formed integrally with the composite line, a flow of a liquid phase material proceeding in the composite line in a direction opposite to a flow of a gas phase material in the composite line. 15. The display and system of claim 14, further comprising a base thermally connected to the circuitry and thermally connected to the heat collector. 16. The display and system of claim 15, wherein the base comprises a thermal conductor configured to interface with the circuitry in a predetermined manner, wherein the circuitry is a circuitry of a particular electronic display and the base is configured to fit on the circuitry in a thermally conductive condition. 17. The display and system of claim 16, wherein the base comprises: fins to enhance convective heat transfer from the circuitry; and at least one recess to accommodate at least one electrical component of the electronic display. 18. The display and system of claim 14, wherein the housing and the cover form an enclosure, the display further comprising insulation on interior surfaces of the enclosure. 19. The display and system of claim 18, wherein the insulation covers generally all of the interior surfaces except for a surface through which a display screen is viewed. 20. The display and system of claim 19, wherein: the enclosure comprises six generally flat sides; and the insulation covers five of the six sides. 21. The display and system of claim 18, wherein the insulation covers generally all of the interior surfaces of the enclosure. 22. The display and system of claim 14, further comprising: at least three chambers in a housing interior; and a plurality of fan sets in the housing interior, each fan set comprising at least one fan, wherein a first fan set is positioned to circulate air from a second chamber to a first chamber and back to the second chamber, wherein a second fan set is positioned to circulate air from the second chamber to a third chamber and back to the second chamber, and wherein excessive heat in the housing interior is transferred outside of the housing without exposing the circuitry in the housing to dust and moisture from outside the housing. 23. The display and system of claim 22, wherein the at least three chambers and the plurality of fan sets are positioned and controlled to move heat from areas of higher heat concentration to selectively cool overheated locations or to warm overly cool locations. 24. The display and system of claim 22, wherein a display component is wholly inside the display housing, wherein the at least three chambers comprise three chambers, and wherein the display component and at least one circuit board are positioned to at least partially define the first chamber as a front chamber, the second chamber as a center chamber, and the third chamber as a rear chamber. 25. The display and system of claim 24, wherein: the front chamber comprises a portion of the housing between the housing and the display component; the center chamber comprises a portion of the housing between the display component and the at least one circuit board; and the rear chamber comprises a portion of the housing between the at least one circuit board and the housing. 26. The display and system of claim 24, wherein the plurality of backlighting lamps are positioned in the center chamber. 27. The display and system of claim 24, wherein the heat collector is positioned in the rear chamber. 28. The display and system of claim 14, further comprising a first sensor in a downstream end of the liquid phase line. 29. The display and system of claim 28, further comprising a second sensor in a downstream end of the gas phase line. 30. The display and system of claim 14, further comprising: a plurality of liquid phase lines including said liquid phase line and a plurality of gas phase lines including said gas phase line, the plurality of liquid phase lines and the plurality of gas phase lines thermally connected to a respective plurality of electronic displays including said electronic display; a plurality of heat collectors including said heat collector, the plurality of heat collectors thermally connected to respective ones of the plurality of liquid phase lines and to respective ones of the plurality of gas phase lines; and a plurality of covers including said cover, the plurality of covers enclosing respective heat collectors of said plurality of heat collectors within a plurality of housings including said housing, the plurality of housings forming enclosures of respective ones of said electronic display; wherein the compressor is a common compressor for said plurality of electronic displays and the compressor is connected to the heat collectors by respective ones of the liquid phase lines, and by respective ones of the gas phase lines. 31. The display and system of claim 30, further comprising a regulator in fluid communication with the compressor and the plurality of liquid phase and gas phase lines, wherein at least the compressor is located remotely relative to the plurality of heat collectors. 32. The electronic display and cooling system of claim 14, wherein a thermal connection of each of the liquid phase line and the gas phase line with the heat collector is through at least one shared heat conductor comprising at least one of the gas phase line and a mastic between the gas phase line and the heat collector. 33. The electronic display and cooling system of claim 14, further comprising a composite line in the heat collector, wherein: the liquid phase line and the gas phase line are joined together and form the composite line extending along a path in the heat collector; and the gas phase line and the liquid phase line follow the path and are in thermal contact with each other along a majority of a length of the composite line in the heat collector.
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