Multiple-input and multiple-output antenna appartus

Patent metadata

Field	Value
Publication number	US-11233308-B2
Application number	US-202016892275-A
Country	US
Kind code	B2
Filing date	Jun 3, 2020
Priority date	Dec 4, 2017
Publication date	Jan 25, 2022
Grant date	Jan 25, 2022

Abstract

The present disclosure relates to a multiple-input and multiple-output antenna apparatus, and particularly, includes a housing, a ray dome which is coupled to the top of one side of the housing in a longitudinal direction, and has an antenna assembly disposed between the ray dome and the housing, a PCB assembly which is disposed at the bottom of the antenna assembly, a top cooling part which is coupled to the top of the other side of the housing in the longitudinal direction, has a battery and an FPGA assembly disposed between the top cooling part and the housing, and dissipates upward the heat discharged from the FPGA assembly, and a side cooling part which is coupled to protrude to one side in a width direction between the housing and the top cooling part and the other side in the width direction therebetween, and moves and dissipates the heat generated from the FPGA assembly to one side and the other side of the housing in the width direction, thereby improving cooling performance.

First claim

The invention claimed is:

1. A multiple-input and multiple-output antenna apparatus comprising:
a housing;
a radome which is coupled to the top of one side of the housing in a longitudinal direction, and has an antenna assembly disposed between the radome and the housing;
a PCB assembly which is disposed at the bottom of the antenna assembly;
a top cooling part which is coupled to the top of the other side of the housing in the longitudinal direction, has a battery and an FPGA assembly disposed between the top cooling part and the housing, and dissipates upward the heat discharged from the FPGA assembly; and
a side cooling part which is coupled to protrude to one side in a width direction between the housing and the top cooling part and the other side in the width direction therebetween, and transfers and dissipates the heat generated from the FPGA assembly to one side and the other side of the housing in the width direction,
wherein the side cooling part comprises:
a collecting part which collects heat from a unit heat-generating element provided on the top surface of the FPGA assembly;
a discharging part which is provided with a plurality of side cooling ribs which are provided to protrude to one side and the other side of the housing in the width direction, formed lengthily in the longitudinal direction of the housing, and disposed to be spaced at a predetermined distance apart from each other in a vertical direction of the housing; and
a heat transfer part which has one end connected to the collecting part and the other end connected to the discharging part to transfer the heat collected by the collecting part to the discharging part,
wherein the discharging part comprises an upper discharging part which branches from the other end of the heat transfer part upwardly and a lower discharging part which branches from the other end of the heat transfer part downwardly.

2. The multiple-input and multiple-output antenna apparatus of claim 1 ,
wherein the bottom surface of the housing is provided with a plurality of bottom cooling ribs, which protrude at a predetermined length downward, are formed lengthily in the longitudinal direction of the housing, and are disposed to be spaced at a predetermined distance apart from each other in the width direction of the housing.

3. The multiple-input and multiple-output antenna apparatus of claim 1 ,
wherein the top surface of the top cooling part is provided with a plurality of top cooling ribs, which protrude at a predetermined length upward, are formed lengthily in the longitudinal direction of the housing, and are disposed to be spaced at a predetermined distance apart from each other in the width direction of the housing.

4. The multiple-input and multiple-output antenna apparatus of claim 1 ,
wherein the side cooling part comprises a one side cooling part which is disposed to protrude to one side of the housing in the width direction, and the other side cooling part which is disposed to protrude to the other side of the housing in the width direction.

5. The multiple-input and multiple-output antenna apparatus of claim 1 ,
wherein the collecting part is in close contact with the top surface of the unit heat-generating element.

6. The multiple-input and multiple-output antenna apparatus of claim 5 , wherein the heat transfer part is composed of a plurality of heat pipe groups whose insides are each filled with a heat transfer fluid.

7. The multiple-input and multiple-output antenna apparatus of claim 1 ,
wherein the heat transfer part comprises:
an inner part which is disposed between the housing and the top cooling part, and transfers the heat collected by the collecting part to the top cooling part; and
an outer part which extends from the inner part, and is inserted into the discharging part to transfer residual heat other than the heat transferred to the top cooling part to the discharging part.

8. The multiple-input and multiple-output antenna apparatus of claim 7 ,
wherein the bottom surface of the top cooling part is formed with a heat contact groove part with which a portion of the outer circumferential surface of the inner part is in close contact.

9. The multiple-input and multiple-output antenna apparatus of claim 8 , wherein the heat transfer part is composed of a plurality of heat pipe groups whose insides are each filled with a heat transfer fluid.

10. The multiple-input and multiple-output antenna apparatus of claim 7 ,
wherein a boundary portion between the inner part and the outer part is bent between a boundary of the housing and the top cooling part.

11. The multiple-input and multiple-output antenna apparatus of claim 10 , wherein the heat transfer part is composed of a plurality of heat pipe groups whose insides are each filled with a heat transfer fluid.

12. The multiple-input and multiple-output antenna apparatus of claim 7 , wherein the heat transfer part is composed of a plurality of heat pipe groups whose insides are each filled with a heat transfer fluid.

13. The multiple-input and multiple-output antenna apparatus of claim 1 , wherein the heat transfer part is composed of a plurality of heat pipe groups whose insides are each filled with a heat transfer fluid.

14. A multiple-input and multiple-output antenna apparatus comprising:
a housing;
a radome which is coupled to the top of one side of the housing in a longitudinal direction, and has an antenna assembly disposed between the radome and the housing;
a PCB assembly which is disposed at the bottom of the antenna assembly;
a top cooling part which is coupled to the top of the other side of the housing in the longitudinal direction, has a battery and an FPGA assembly disposed between the top cooling part and the housing, and dissipates upward the heat discharged from the FPGA assembly; and
a side cooling part which is coupled to protrude to one side in a width direction between the housing and the top cooling part and the other side in the width direction therebetween, and transfers and dissipates the heat generated from the FPGA assembly to one side and the other side of the housing in the width direction,
wherein the side cooling part comprises:
a collecting part which collects heat from a unit heat-generating element provided on the top surface of the FPGA assembly;
a discharging part which is provided with a plurality of side cooling ribs which are provided to protrude to one side and the other side of the housing in the width direction, formed lengthily in the longitudinal direction of the housing, and disposed to be spaced at a predetermined distance apart from each other in a vertical direction of the housing; and
a heat transfer part which has one end connected to the collecting part and the other end connected to the discharging part to transfer the heat collected by the collecting part to the discharging part,
wherein the discharging part comprises:
an inner cooling terminal which is formed with an inserting slot into which the heat transfer part is inserted, and formed so that the plurality of side cooling ribs protrude toward one side surface or the other side surface of the housing; and
an outer cooling terminal which is formed with a heat accommodating groove, which is provided to be in surface contact with the outer surface of the inner cooling terminal and in which the heat transfer part inserted between the outer cooling terminal and the inner cooling terminal is seated.

15. The multiple-input and multiple-output antenna apparatus of claim 14 , wherein the heat transfer part is composed of a plurality of heat pipe groups whose insides are ea

Assignees

• Kmw Inc

Inventors

• Kim Duk Yong
• Yang Jun Woo
• Yeo Jin Soo
• Yoo Chang Woo
• Park Min Sik
• Kim Hye Yeon

Classifications

• H01Q1/523

  between antennas of an array · CPC title

• H01Q1/42 Primary

  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

• H04B7/0413

  MIMO systems · CPC title

• H01Q1/38

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title