Heat dissipation device, heat dissipation module, and antenna device comprising same

Patent metadata

Field	Value
Publication number	US-2026081339-A1
Application number	US-202519352556-A
Country	US
Kind code	A1
Filing date	Oct 8, 2025
Priority date	Apr 11, 2023
Publication date	Mar 19, 2026
Grant date	—

Abstract

Provided are a heat dissipation device, a heat dissipation module, and an antenna apparatus including the same. The heat dissipation device includes heat receiving parts that collect heat generated from heating substances, and a heat discharging part that exchanges heat collected from the heating substances with outside air, wherein at least one of the heat receiving parts is coupled through a heat collection part, and is coupled to a housing body provided with the heating substances. The heat collection part includes: a heat transfer member for coupling formed with a plurality of fixed slits into which a part of at least one of the heat receiving parts is inserted; and a shielding cover coupled to the heat transfer member for coupling to form a predetermined refrigerant-filled space therein, and sealing the refrigerant-filled space.

First claim

1 . A heat dissipation device comprising:
heat receiving parts that collect heat generated from heating substances; and a heat discharging part that exchanges heat collected from the heating substances with outside air, wherein at least one of the heat receiving parts is coupled through a heat collection part, and is coupled to a housing body provided with the heating substances, and the heat collection part comprises: a heat transfer member for coupling formed with a plurality of fixed slits into which a part of at least one of the heat receiving parts is inserted; and a shielding cover coupled to the heat transfer member for coupling to form a predetermined refrigerant-filled space therein, and sealing the refrigerant-filled space.

2 . The heat dissipation device of claim 1 , wherein the heat transfer member for coupling and the shielding cover seal the refrigerant-filled space during joining in a state in which the part of at least one of the heat receiving parts is inserted into the plurality of fixed slits.

3 . The heat dissipation device of claim 2 , wherein the joining is performed using any one of a brazing welding method and a laser welding method.

4 . The heat dissipation device of claim 1 , wherein the heat collection part further comprises:
a plurality of support pins each having one end supported by the shielding cover and the other end supported between adjacent fixed slits among the plurality of fixed slits adjacent to each other.

5 . The heat dissipation device of claim 2 , wherein a filler metal is applied to the heat transfer member for coupling along an inner end of the fixed slit,
flows in a direction of gravity when joining is performed by the brazing welding method, and seals a gap between the fixed slit and an outer side of the heat receiving part.

6 . The heat dissipation device of claim 2 , wherein the heat transfer member for coupling is provided with a plurality of rigid reinforcing dot portions protruding toward the shielding cover along a gap between the fixed slits,
the shielding cover is provided with a plurality of welding dot portions that protrude toward the heat transfer member for coupling at locations corresponding to the plurality of rigid reinforcing dot portions, and during joining by the brazing welding method, the plurality of rigid reinforcing dot portions and the plurality of welding dot portions are joined together by a filler metal applied to the plurality of rigid reinforcing dot portions.

7 . The heat dissipation device of claim 5 , wherein the filler metal is further applied along a rim end of the heat transfer member for coupling in addition to the fixed slit or the rigid reinforcing dot portion.

8 . The heat dissipation device of claim 5 , wherein the filler metal is provided in a paste type or an alloy type with nickel as a main component.

9 . The heat dissipation device of claim 2 , wherein the filler metal is applied in advance to an inner end of the fixed slit in a state in which a part of the heat receiving part is inserted into the fixed slit.

10 . A heat dissipation module comprising:
a heat dissipation device including heat receiving parts that collect heat generated from heating substances and a heat discharging part that exchanges heat collected from the heating substances with outside air; and a heat collection part including a heat transfer member for coupling having one surface formed with a board receiving part for accommodating a PA board and the other surface formed with a plurality of fixed slits for installing the heat dissipation device, the heat transfer member for coupling being filled with phase-changeable refrigerant, wherein the heat collection part comprises: a heat transfer member for coupling formed with a plurality of fixed slits into which a part of at least one of the heat receiving parts is inserted; and a shielding cover coupled to the heat transfer member for coupling to form a predetermined refrigerant-filled space therein, and sealing the refrigerant-filled space.

11 . The heat dissipation module of claim 10 , wherein the heat transfer member for coupling and the shielding cover seal the refrigerant-filled space during joining in a state in which the part of at least one of the heat receiving parts is inserted into the plurality of fixed slits.

12 . The heat dissipation module of claim 11 , wherein the heat transfer member for coupling is provided with a plurality of rigid reinforcing dot portions protruding toward the shielding cover along a gap between the fixed slits,
the shielding cover is provided with a plurality of welding dot portions that protrude toward the heat transfer member for coupling at locations corresponding to the plurality of rigid reinforcing dot portions, and during joining by the brazing welding method, the plurality of rigid reinforcing dot portions and the plurality of welding dot portions are joined together by a filler metal applied to the plurality of rigid reinforcing dot portions.

13 . An antenna apparatus comprising:
a housing body formed with an installed space where an RF filter unit is installed; and a heat dissipation module coupled to a front portion or a rear portion of the housing body, wherein the heat dissipation module comprises: a heat dissipation device including heat receiving parts that collect heat generated from heating substances and a heat discharging part that exchanges heat collected from the heating substances with outside air; and a heat collection part including a heat transfer member for coupling having one surface formed with a board receiving part for accommodating a PA board and the other surface formed with a plurality of fixed slits for installing the heat dissipation device, the heat transfer member for coupling being filled with phase-changeable refrigerant, wherein the heat collection part comprises: a heat transfer member for coupling formed with a plurality of fixed slits into which a part of at least one of the heat receiving parts is inserted; and a shielding cover coupled to the heat transfer member for coupling to form a predetermined refrigerant-filled space therein, and sealing the refrigerant-filled space.

14 . The antenna apparatus of claim 13 , wherein the housing body comprises:
a center housing formed with the installation space where the RF filter unit is installed; a front heat dissipation housing coupled to a front portion of the center housing; and a rear heat dissipation housing coupled to a rear portion of the center housing, wherein the heat dissipation module includes a front heat dissipation module installed at the front heat dissipation housing and a rear heat dissipation module installed at the rear heat dissipation housing, and the front heat dissipation housing and the rear heat dissipation housing are each formed with a plurality of module coupling grooves that facilitate coupling of the front heat dissipation module and the rear heat dissipation module.

15 . The antenna apparatus of claim 14 , wherein, when the heat receiving part is disposed to overlap a front portion or a rear portion of the housing body in a front-rear direction, the heat discharging part of each of the front heat dissipation module and the rear heat dissipation module extends upward beyond an upper end of the housing body, and extends to occupy at least a part of a heat exchange region corresponding to a direct upper part of the housing body in a front-rear thickness direction.

16 . The antenna apparatus of claim 14 , wherein an upper end of the housing body further includes a guide panel formed with

Assignees

• Kmw Inc

Inventors

• Kim Duk Yong
• Ji Kyo Sung
• Park Min Sik
• Ryu Chi Back
• Yang Jun Woo
• Kim Hye Yeon
• Choi In Hwa
• Seo Jin Kook

Classifications

• H05K7/20336

  Heat pipes, e.g. wicks or capillary pumps · CPC title

• H01Q1/42

  Housings not intimately mechanically associated with radiating elements, e.g. radome · CPC title

• H01Q1/02 Primary

  Arrangements for de-icing; Arrangements for drying-out {; Arrangements for cooling; Arrangements for preventing corrosion} · CPC title