一种液冷散热装置及液冷充电终端

Abstract

本申请实施例涉及液冷散热技术领域，尤其涉及一种液冷散热装置及液冷充电终端，该装置应用于第一发热器件及第二发热器件，具体包括：第一冷板主体，第一冷板主体呈板状，与第一发热器件紧密贴合，以吸收第一发热器件的热量；第二冷板主体，第二冷板主体呈圆筒状，套设于第二发热器件外部，以吸收第二发热器件的热量；第一冷板主体及第二冷板主体内部包括循环流动的冷却液，冷却液用于流经第一冷板主体及第二冷板主体、以吸收热量后流出第一冷板主体及第二冷板主体。这样，可以实现对发热器件的液冷散热，提升散热效果，延长器件使用寿命，有利于充电终端实现更高功率和小型化。

Claims

1. A liquid cooling heat sink, comprising: The device, applied to a first heating element (101) and a second heating element (102), comprises: The first cold plate body (200) is plate-shaped and is used to attach to the first heating device (101) to absorb the heat of the first heating device (101); The second cold plate body (300) is cylindrical and is used to be fitted around the outside of the second heating device (102) to absorb the heat of the second heating device (102); The first cold plate body (200) and the second cold plate body (300) are used to contain circulating coolant. The coolant is used to flow through the first cold plate body (200) and the second cold plate body (300) to absorb heat and then flow out of the first cold plate body (200) and the second cold plate body (300).

2. The liquid cooling heat sink of claim 1, wherein, The first cold plate body (200) includes a first body (201) and a second body (202), wherein the first body (201) and the second body (202) are an integral structure; The first body (201) and at least one first protrusion (1011) of the first heating device (101) are stacked along a first direction, and the first body (201) and the first protrusion (1011) are closely attached to each other. The first direction is the thickness direction of the first cold plate body (200). Furthermore, the second body (202) and the first body (201) are stacked together along the first direction, and the second body (202) is located on the side of the first body (201) near the first protrusion (1011); In addition, the second body (202) is located within the orthographic projection range of the first body (201) along the first direction, one end of the second body (202) along the second direction is closely fitted with the end face of the first protrusion (1011), and the other end is flush with the end face of the first body (201). The second direction is a horizontal direction perpendicular to the first direction, and the second direction is the protrusion direction of the first protrusion (1011). Furthermore, the thickness of the second body (202) is equal to the thickness of the first protrusion (1011).

3. The liquid cooling heat sink of claim 2, wherein, The first cold plate body (200) also includes a first coolant port (203) and a second coolant port (204), which are disposed adjacent to each other on the side wall of the second body (202); The first cold plate body (200) also includes a first channel (205) and a second channel (206); One end of the first channel (205) is connected to the first coolant port (203), and the other end extends along the interior of the first body (201) in a direction away from the first coolant port (203); One end of the second channel (206) is connected to the second coolant port (204), and the other end extends along the interior of the second body (202) away from the second coolant port (204) to be connected to the first channel (205).

4. The liquid cooling heat sink of claim 3, wherein, The first cold plate body (200) further includes at least one first fixing hole (207), the first fixing hole (207) penetrates the first body (201) along the first direction, so as to fix the first cold plate body (200) and the first heating device (101) through the first fixing hole (207); Furthermore, the orthographic projection of the first fixing hole (207) along the first direction does not coincide with the orthographic projection of the first channel (205) and / or the second channel (206) along the first direction.

5. The liquid cooling heat sink of claim 1, wherein, The second cold plate body (300) includes a through groove (301), which is a strip-shaped groove opened along a third direction, the third direction being the axial direction of the second cold plate body (300), and the through groove (301) penetrates the cylinder of the second cold plate body (300) along a fourth direction, so that the inner side of the second cold plate body (300) is connected to the outer side, the fourth direction being the radial direction of the second cold plate body (300).

6. The liquid cooling heat sink of claim 5, wherein, The second cold plate body (300) also includes a third coolant port (302) and a fourth coolant port (303), the third coolant port (302) and the fourth coolant port (303) are disposed adjacent to each other on the first end face (304) of the second cold plate body (300), the first end face (304) is the end face of the second cold plate body (300) perpendicular to the third direction; The second cold plate body (300) also includes a third channel (305), one end of which is connected to the third coolant port (302), and the other end extends back and forth in the cylinder of the second cold plate body (300) to be connected to the fourth coolant port (303). The direction of the third channel (305) is the third direction.

7. The liquid cooling heat sink of claim 5, wherein, The second cold plate body (300) also includes a first fixing part (306), a second fixing part (307) and at least one second fixing hole (308); One end of the first fixing part (306) is connected to the first groove wall (3011) of the through groove (301), and the other end protrudes from the cylinder of the second cold plate body (300) along the fourth direction. One end of the second fixing part (307) is connected to the second groove wall (3012) of the through groove (301), and the other end protrudes from the cylinder of the second cold plate body (300) along the fourth direction. The second fixing hole (308) is disposed through the first fixing part (306) and the second fixing part (307) to lock the second cold plate body (300) through the second fixing hole (308), the first fixing part (306) and the second fixing part (307).

8. The liquid cooling heat sink of claim 1, wherein, The device also includes thermal grease (400) located between the second cold plate body (300) and the second heating device (102).

9. The liquid cooling heat sink of claim 1, wherein, The device further includes at least one first heat dissipation copper busbar (501) and at least one second heat dissipation copper busbar (502); One end of the first heat dissipation copper busbar (501) is tightly attached to the first heat-generating device (101) and / or the first cold plate body (200), and the other end extends away from the first heat-generating device (101). One end of the second heat dissipation copper busbar (502) is in close contact with the second heat-generating device (102), and the other end extends away from the second heat-generating device (102).

10. A liquid-cooled charging terminal, characterized by comprising: The device includes the liquid cooling heat dissipation device according to any one of claims 1-9; and further includes a liquid cooling circulation system, which is connected to the first cold plate body and / or the second cold plate body through a connecting channel to form a closed circulation loop of coolant.

Images