Heat dissipation system and an associated method thereof
地域：
NY
NY Schenectady
摘要
Heat dissipation system, a power converter using such a heat dissipation system, and an associated method of thermal management of the power converter are disclosed. The heat dissipation system includes a condenser, a first cooling loop, and a second cooling loop. The first cooling loop is coupled to the condenser and includes a first two-phase heat transfer device. The second cooling loop is coupled to the condenser and includes a second two-phase heat transfer device. The condenser is disposed above the first and second two-phase heat transfer devices.
說明書
This application is a continuation and claims priority to U.S. patent application Ser. No. 15/639,674 filed Jun. 30, 2017, entitled HEAT DISSIPATION SYSTEM AND AN ASSOCIATED METHOD THEREOF, the entire disclosure of which is incorporated herein by reference.
Embodiments of the present invention relate generally to a heat dissipation system and more particularly to a power converter system using the heat dissipation system and a method of thermal management of the power converter.
權(quán)利要求
The invention claimed is:1. A heat dissipation system comprising:a condenser comprising an upstream end and a downstream end; a first cooling loop coupled to the condenser, wherein the first cooling loop comprises:a first two-phase heat transfer device coupled to a first component of a power converter; and a first conduit coupled in flow communication with the upstream end and the downstream end of the condenser; and a second cooling loop coupled to the condenser, wherein the second cooling loop comprises:a second two-phase heat transfer device coupled to a second component of the power converter; a second conduit coupled in flow communication with the upstream end and the downstream end of the condenser; and a single-phase heat transfer device coupled to a third component of the power converter, the single-phase heat transfer device further being coupled to and disposed upstream relative to the second two-phase heat transfer device, wherein the condenser is disposed above the first and second two-phase heat transfer devices and is configured to receive a two-phase fluid from the first cooling loop and the second cooling loop at the upstream end and discharge a single-phase fluid at the downstream end to the first cooling loop and the second cooling loop, wherein the first and second components are power electronics components of the power converter and the third component is an auxiliary component of the power converter, wherein the first and second components are configured to generate substantially more heat than the third component. 2. The heat dissipation system of claim 1 , further comprising a third cooling loop coupled to the condenser, wherein the third cooling loop comprises a third two-phase heat transfer device, wherein the first and second components are each at least one of a power electronics inverter and a power electronics converter, and wherein the third component is at least one of an inductor and a bus bar laminate. 3. The heat dissipation system of claim 2 , wherein the third cooling loop further comprises a second single-phase heat transfer device coupled to and disposed upstream relative to the third two-phase heat transfer device. 4. The heat dissipation system of claim 2 , wherein the first conduit of the first cooling loop extends from the downstream end of the condenser to an upstream end of the first two-phase heat transfer device, the first cooling loop further comprising a third conduit extending from a downstream end of the first two-phase heat transfer device to the upstream end of the condenser,wherein the second conduit of the second cooling loop extends from the downstream end of the condenser to an upstream end of the second two-phase heat transfer device, the second cooling loop further comprising a fourth conduit extending from a downstream end of the second two-phase heat transfer device to the upstream end of the condenser, and wherein the third cooling loop comprises a fifth conduit extending from the downstream end of the condenser to an upstream end of the third two-phase heat transfer device and a sixth conduit extending from a downstream end of the third two-phase heat transfer device to the upstream end of the condenser. 5. The heat dissipation system of claim 4 , further comprising at least one of:a first intermediate conduit coupled to the first conduit and the third conduit, a second intermediate conduit coupled to the second conduit and the fourth conduit, and a third intermediate conduit coupled to the fifth conduit and the sixth conduit. 6. The heat dissipation system of claim 1 , wherein the first two-phase heat transfer device is adapted to dissipate heat from the first component, the second two-phase heat transfer device is adapted to dissipate heat from the second component, and the single-phase heat transfer device is adapted to dissipate heat from the third component. 7. The heat dissipation system of claim 1 , wherein the second two-phase heat transfer device includes a first plenum, a second plenum, a plurality of heat exchange tubes extending between the first plenum and the second plenum, and a fan configured to blow a fluid along the plurality of heat exchange tubes. 8. The heat dissipation system of claim 7 , wherein the single-phase heat transfer device comprises a cold plate. 9. A power converter comprising:a sealed casing; a first component, a second component, and a third component disposed within the sealed casing, wherein the first and second components are power electronics components of the power converter and the third component is an auxiliary component of the power converter, and wherein the first and second components are configured to generate substantially more heat than the third component; and a heat dissipation system comprising:a condenser disposed outside the sealed casing, the condenser comprising an upstream end and a downstream end; a first cooling loop coupled to the condenser, wherein the first cooling loop comprises a first two-phase heat transfer device disposed within the sealed casing and coupled to the first component, the first cooling loop further comprising a first conduit coupled in flow communication with the upstream end and the downstream end of the condenser; and a second cooling loop coupled to the condenser, wherein the second cooling loop comprises:a second two-phase heat transfer device disposed within the sealed casing and coupled to the second component; a second conduit coupled in flow communication with the upstream end and the downstream end of the condenser, wherein the condenser is disposed above the first and second two-phase heat transfer devices, the condenser being configured to receive a two-phase fluid from the first cooling loop and the second cooling loop at the upstream end and discharge a single-phase fluid at the downstream end to the first cooling loop and the second cooling loop; and a single-phase heat transfer device coupled to the third component and further coupled to and disposed upstream relative to the second two-phase heat transfer device, wherein the first two-phase heat transfer device is configured to passively maintain a flow rate of a first portion of the single-phase fluid and a first portion of the two-phase fluid in the first cooling loop, wherein the second two-phase heat transfer device is configured to passively maintain a flow rate of a second portion of the single-phase fluid and a second portion of the two-phase fluid in the second cooling loop, and wherein the single-phase fluid includes a liquid medium and the two-phase fluid includes the liquid medium and a gaseous medium. 10. The power converter of claim 9 , further comprising:a fourth component; and a third cooling loop coupled to the condenser, wherein the third cooling loop comprises a third two-phase heat transfer device disposed within the sealed casing, and wherein the third two-phase heat transfer device is coupled to the fourth component. 11. The power converter of claim 10 , wherein the third cooling loop further comprises a second single-phase heat transfer device coupled to and disposed upstream relative to the third two-phase heat transfer device. 12. The power converter of claim 10 , wherein the first conduit of the first cooling loop extends from the downstream end of the condenser to an upstream end of the first two-phase heat transfer device, the first cooling loop further comprising a third conduit extending from a downstream end of the first two-phase heat transfer device to the upstream end of the condenser,wherein the second conduit of the second cooling loop extends from the downstream end of the condenser to an upstream end of the second two-phase heat transfer device, the second cooling loop further comprising a fourth conduit extending from a downstream end of the second two-phase heat transfer device to the upstream end of the condenser, and wherein the third cooling loop comprises a fifth conduit extending from the downstream end of the condenser to an upstream end of the third two-phase heat transfer device and a sixth conduit extending from a downstream end of the third two-phase heat transfer device to the upstream end of the condenser. 13. The power converter of claim 12 , further comprising at least one of:a first intermediate conduit coupled to the first conduit and the third conduit, a second intermediate conduit coupled to the second conduit and the fourth conduit, and a third intermediate conduit coupled to the fifth conduit and the sixth conduit. 14. The power converter of claim 9 , wherein the second two-phase heat transfer device includes a first plenum, a second plenum, a plurality of heat exchange tubes extending between the first plenum and the second plenum, and a fan configured to blow an ambient fluid along the plurality of heat exchange tubes. 15. A power converter comprising:a sealed casing; a first component, a second component, and a third component disposed within the sealed casing, wherein the first and second components are power electronics components of the power converter and the third component is an auxiliary component of the power converter, wherein the first and second components are configured to generate substantially more heat than the third component; and a heat dissipation system comprising:a condenser disposed outside the sealed casing, the condenser comprising an upstream end and a downstream end; a first cooling loop coupled to the condenser, wherein the first cooling loop comprises a first two-phase heat transfer device disposed within the sealed casing and coupled to the first component, the first cooling loop further comprising a first conduit coupled in flow communication with the upstream end and the downstream end of the condenser; and a second cooling loop coupled to the condenser, the second cooling loop comprising:a second two-phase heat transfer device disposed within the sealed casing and coupled to the second component, wherein the condenser is disposed above the first and second two-phase heat transfer devices and is configured to receive a two-phase fluid from the first cooling loop and the second cooling loop at the upstream end and discharge a single-phase fluid at the downstream end to the first cooling loop and the second cooling loop; a second conduit coupled in flow communication with the upstream end and the downstream end of the condenser; and a single-phase heat transfer device coupled to the third component, the single-phase heat transfer device further coupled to and disposed upstream relative to the second two-phase heat transfer device; wherein the sealed casing is hermetically sealed, wherein the first cooling loop and the second cooling loop are hermetically joined to the condenser, and wherein the sealed casing is filled with a fluid in a saturated liquid condition. 16. The power converter of claim 15 , further comprising:a fourth component; and a third cooling loop coupled to the condenser, wherein the third cooling loop comprises a third two-phase heat transfer device disposed within the sealed casing, wherein the third two-phase heat transfer device is coupled to the fourth component, wherein the first and second components are each at least one of a power electronics inverter and a power electronics converter, and wherein the third component is at least one of an inductor and a bus bar laminate. 17. The power converter of claim 16 , wherein the third cooling loop further comprises a second single-phase heat transfer device coupled to and disposed upstream relative to the third two-phase heat transfer device. 18. The power converter of claim 17 , wherein the first conduit of the first cooling loop extends from the downstream end of the condenser to an upstream end of the first two-phase heat transfer device, the first cooling loop further comprising a third conduit extending from a downstream end of the first two-phase heat transfer device to the upstream end of the condenser,wherein the second conduit of the second cooling loop extends from the downstream end of the condenser to an upstream end of the second two-phase heat transfer device, the second cooling loop further comprising a fourth conduit extending from a downstream end of the second two-phase heat transfer device to the upstream end of the condenser, and wherein the third cooling loop comprises a fifth conduit extending from the downstream end of the condenser to an upstream end of the third two-phase heat transfer device and a sixth conduit extending from a downstream end of the third two-phase heat transfer device to the upstream end of the condenser. 19. The power converter of claim 18 , further comprising at least one of:a first intermediate conduit coupled to the first conduit and the third conduit, a second intermediate conduit coupled to the second conduit and the fourth conduit, and a third intermediate conduit coupled to the fifth conduit and the sixth conduit.
意見反饋
使用該功能遇到問題