CN217790117U

CN217790117U - Heat exchange and heat dissipation device for remote radio unit

Info

Publication number: CN217790117U
Application number: CN202220719491.5U
Authority: CN
Inventors: 朱劲峰
Original assignee: Zhejiang Zhongzheng Communication Technology Co ltd
Current assignee: Zhejiang Zhongzheng Communication Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-11-11
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to a unit heat abstractor technical field is drawn far to radio frequency discloses a unit heat transfer heat abstractor is drawn far to radio frequency, the utility model discloses an integrated box, case lid, lining install bin, RRU chip board, integrated box is uncovered downwards, the lining install bin set up in the integrated box, the case lid with the lower extreme opening part threaded connection of integrated box, RRU chip board is fixed in the lining install bin. The utility model discloses a suit box formula design prevents the insolation through the sun-proof casing that adopts white application and handles, slows down the shell body and insolate the afterward thermal radiation and act on the speed of RRU chip board, and sun-proof casing with set up lateral wall heat transfer pipe group and roof heat transfer pipe group between the interior install bin, will through lateral wall heat transfer pipe group and roof heat transfer pipe group sun-proof casing inwards thermal radiation's heat and the outside thermal heat transfer of RRU chip board shifts to spiral screen piece dryer department.

Description

Heat exchange and heat dissipation device for remote radio unit

Technical Field

The utility model relates to a unit heat abstractor technical field is pulled far to radio frequency specifically is a unit heat transfer heat abstractor is pulled far to radio frequency.

Background

The radio remote unit is fully called as: remote Radio Unit, radio Remote Unit divide into near-end machine namely wireless baseband control (Radio Server) and Remote machine namely Radio Remote (RRU), need good heat dissipation function in order to avoid high temperature to lead to the function badly to installing this kind of device outdoors, although installed devices such as fan heat dissipation additional in some Radio Remote units, still exist the temperature under high temperature insolate and exceed standard scheduling problem to the radiating effect who installs fan heat dissipation additional Unit is limited, and the fault rate is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems, the invention provides a heat exchange and heat dissipation device for a radio remote unit, which solves the problems.

The utility model provides a its technical problem take following technical scheme to realize:

the utility model provides a unit heat transfer heat abstractor that RRU zooms, includes integrated box, case lid, interior install bin, RRU chip board, integrated box is uncovered downwards, interior install bin set up in the integrated box, the case lid with the lower extreme opening part threaded connection of integrated box, RRU chip board is fixed in the interior install bin.

Preferably, the integrated box body comprises a sun-proof shell, a side wall heat exchange tube group and a top wall heat exchange tube group, the side wall heat exchange tube group is fixedly arranged on the side wall of the sun-proof shell, the top wall heat exchange tube group is fixedly arranged on the inner top wall of the sun-proof shell, and the inner installation box is located between the side wall heat exchange tube group and the top wall heat exchange tube group.

Preferably, lateral wall heat exchange tube group is fixed in including the interval lateral wall fin on the sun-proof casing inner wall and alternate and be fixed in lateral wall heat transfer branch pipe on the lateral wall fin, roof heat exchange tube group is fixed in including roof heat transfer branch pipe and roof fin, roof fin interval is fixed in the interior roof of sun-proof casing, roof heat transfer branch pipe alternates and is fixed in on the roof fin, roof heat transfer branch pipe with lateral wall heat transfer branch pipe intercommunication, lateral wall fin reaches the surface interval of roof fin is equipped with the counter bore.

Preferably, waterproof ventilating grids are arranged on the side wall of the sun-proof shell at intervals, and ventilating grooves which are communicated obliquely are formed among the waterproof ventilating grids.

Preferably, the case lid include the sunshading board and fix set up in screw cap on the sunshading board, screw cap with the lower port threaded connection of sunscreen casing, the lower extreme of case lid rotates and is equipped with spiral sieve piece dryer, the fixed heat transfer that is equipped with in middle part of case lid is responsible for, the upper end that the heat transfer was responsible for with lateral wall heat transfer branch pipe intercommunication, the heat transfer is responsible for wearing out downwards the sunshading board and extending to in the spiral sieve piece dryer.

Preferably, a suspension arm is fixedly arranged on the upper end face of the inner mounting box through a bolt, the upper end of the suspension arm is fixed on the inner top wall of the sun-proof shell through a bolt, and ventilation holes are formed in the inner mounting box at intervals.

The utility model has the advantages that: the method is characterized in that a sleeved box body type design is adopted, sun-proof treatment is carried out through a white-coated sun-proof shell, the speed of thermal radiation acting on the RRU chip board after the outer shell is exposed to the sun is reduced, a side wall heat exchange tube group and a top wall heat exchange tube group are arranged between the sun-proof shell and the inner mounting box, heat of inward thermal radiation of the sun-proof shell and heat of outward thermal radiation of the RRU chip board are transferred to the spiral sieve sheet air duct through the side wall heat exchange tube group and the top wall heat exchange tube group, the spiral sieve sheet air duct rapidly releases heat in the surrounding air and continuously forms a heat exchange cycle, and the spiral sieve sheet air duct is blown by wind under the condition of wind and enters the integrated box body through the ventilation groove, so that the temperature can be rapidly reduced more effectively.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the disassembled partial section structure of the present invention;

FIG. 2 is a schematic view of the partial cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the structure of the air duct of FIG. 1 in the direction B-B (with the case cover and the spiral screen plate air duct omitted);

fig. 4 isbase:Sub>A schematic view of the structure of fig. 1 taken along the linebase:Sub>A-base:Sub>A.

The scores in the figures are as follows: 10. an integrated box body; 11. the inner part is provided with a box; 12. a spiral sieve sheet wind barrel; 13. a sun-blocking housing; 14. a sidewall fin; 16. side wall heat exchange branch pipes; 17. a ventilation hole; 18. a suspension arm; 19. a box cover; 20. a sun visor; 21. a threaded cap; 22. a heat exchange main pipe; 23. a sidewall heat exchange tube set; 24. a top wall heat exchange branch pipe; 25. a top wall fin; 26. a top wall heat exchange tube set; 27. an RRU chip board; 28. a counter bore; 29. a waterproof breathable grid; 30. and (4) ventilating grooves.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The embodiments of the present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1-4, a unit heat transfer heat abstractor that zooms out radio frequency, including integrated box 10, case lid 19, interior install bin 11, RRU chip board 27, integrated box 10 is uncovered downwards, interior install bin 11 set up in the integrated box 10, case lid 19 with the lower extreme opening part threaded connection of integrated box 10, RRU chip board 27 is fixed in the interior install bin 11.

Preferably, the integrated box 10 includes a sun-proof housing 13, a side wall heat exchange tube group 23, and a top wall heat exchange tube group 26, the side wall heat exchange tube group 23 is fixedly disposed on a side wall of the sun-proof housing 13, the top wall heat exchange tube group 26 is fixedly disposed on an inner top wall of the sun-proof housing 13, and the inner installation box 11 is located between the side wall heat exchange tube group 23 and the top wall heat exchange tube group 26.

Preferably, the side wall heat exchange tube set 23 includes side wall fins 14 fixed on the inner side wall of the sun protection shell 13 at intervals and side wall heat exchange branch tubes 16 inserted and fixed on the side wall fins 14, the top wall heat exchange tube set 26 includes top wall heat exchange branch tubes 24 and top wall fins 25, the top wall fins 25 are fixed on the inner top wall of the sun protection shell 13 at intervals, the top wall heat exchange branch tubes 24 are inserted and fixed on the top wall fins 25, the top wall heat exchange branch tubes 24 are communicated with the side wall heat exchange branch tubes 16, counter bores 28 are arranged on the surfaces of the side wall fins 14 and the top wall fins 25 at intervals, and the counter bores 28 are cold-rolled to form the heat exchange tube set, so that the heat dissipation area can be effectively increased, and the strength of the side wall fins 14 and the top wall fins 25 can be improved.

Preferably, waterproof ventilation grids 29 are arranged on the side wall of the sunscreen shell 13 at intervals, and ventilation grooves 30 which penetrate obliquely are formed between the waterproof ventilation grids 29.

Preferably, the box cover 19 includes a sun visor 20 and a screw cap 21 fixedly disposed on the sun visor 20, the screw cap 21 is in threaded connection with the lower port of the sun visor housing 13, the lower end of the box cover 19 is rotatably provided with a spiral sieve sheet air duct 12, the middle of the box cover 19 is fixedly provided with a heat exchange main pipe 22, the upper end of the heat exchange main pipe 22 is communicated with the side wall heat exchange branch pipe 16, the heat exchange main pipe 22 penetrates through the sun visor 20 downwards and extends into the spiral sieve sheet air duct 12, and heat is transferred and radiated onto the spiral sieve sheet air duct 12 through the heat exchange main pipe 22, since the spiral sieve sheet air duct 12 is located outside the integrated box 10, heat can be radiated more quickly, it should be stated that the sun visor 20 should shield the sunlight irradiated onto the spiral sieve sheet air duct 12, so as to avoid direct irradiation of the sunlight onto the spiral sieve sheet air duct 12.

Preferably, the upper end surface of the inner mounting box 11 is fixedly provided with a suspension arm 18 through bolts, the upper end of the suspension arm 18 is fixed on the inner top wall of the sunscreen shell 13 through bolts, and the inner mounting box 11 is provided with ventilation holes 17 at intervals, so that the RRU chip board 27 module is far away from direct illumination and forms a heat insulation air wall.

In specific implementation, a nested box type design is adopted, the sun protection treatment is performed by using a white-coated sun protection shell 13, the rate of the heat radiation acting on the RRU chip board 27 after the outer shell is exposed to the sun is reduced, a side wall heat exchange tube group 23 and a top wall heat exchange tube group 26 are arranged between the sun protection shell 13 and the inner mounting box 11, the heat radiated inwards by the sun protection shell 13 and the heat radiated outwards by the RRU chip board 27 are transferred to the spiral screen air duct 12 by the side wall heat exchange tube group 23 and the top wall heat exchange tube group 26, the heat is rapidly released into the surrounding air by the spiral screen air duct 12 and is continuously subjected to a heat exchange cycle, and the temperature can be more effectively and rapidly reduced by blowing the air to the spiral screen air duct 12 and entering the integrated box 10 from the ventilation groove 30 when there is wind, and it should be noted that the spiral screen air duct 12, the side wall 14 and the top wall 25 are preferably made of aluminum plate and subjected to the surface galvanizing treatment.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.

Claims

1. A heat exchange and heat dissipation device for a remote radio unit is characterized in that: including integrated box (10), case lid (19), interior install bin (11), RRU chip board (27), integrated box (10) are uncovered downwards, interior install bin (11) set up in integrated box (10), case lid (19) with the lower extreme opening part threaded connection of integrated box (10), RRU chip board (27) are fixed in interior install bin (11).

2. The device of claim 1, wherein the radio remote unit comprises: the integrated box body (10) comprises a sun-proof shell (13), a side wall heat exchange tube group (23) and a top wall heat exchange tube group (26), wherein the side wall heat exchange tube group (23) is fixedly arranged on the side wall of the sun-proof shell (13), the top wall heat exchange tube group (26) is fixedly arranged on the inner top wall of the sun-proof shell (13), and the inner installation box (11) is located between the side wall heat exchange tube group (23) and the top wall heat exchange tube group (26).

3. The device of claim 2, wherein the radio remote unit comprises: the side wall heat exchange tube group (23) comprises side wall fins (14) fixed on the inner side wall of the sun-proof shell (13) at intervals and side wall heat exchange branch tubes (16) fixed on the side wall fins (14) in a penetrating mode, the top wall heat exchange tube group (26) comprises top wall heat exchange branch tubes (24) and top wall fins (25), the top wall fins (25) are fixed on the inner top wall of the sun-proof shell (13) at intervals, the top wall heat exchange branch tubes (24) are fixed on the top wall fins (25) in a penetrating mode, the top wall heat exchange branch tubes (24) are communicated with the side wall heat exchange branch tubes (16), and counter bores (28) are formed in the surfaces of the side wall fins (14) and the top wall fins (25) at intervals.

4. The device of claim 3, wherein the heat exchanging and dissipating device comprises: waterproof breathable grids (29) are arranged on the side wall of the sun-proof shell (13) at intervals, and breathable grooves (30) which are obliquely communicated are formed between the waterproof breathable grids (29).

5. The device of claim 4, wherein the radio remote unit comprises: the case lid (19) include sunshading board (20) and fixed set up in screw cap (21) on sunshading board (20), screw cap (21) with the lower port threaded connection of sun-proof casing (13), the lower extreme rotation of case lid (19) is equipped with spiral sieve piece dryer (12), the fixed heat transfer that is equipped with in middle part of case lid (19) is responsible for (22), the heat transfer be responsible for the upper end of (22) with lateral wall heat transfer branch pipe (16) intercommunication, the heat transfer is responsible for (22) and is worn out downwards sunshading board (20) and extend to in spiral sieve piece dryer (12).

6. The device of claim 2, wherein the radio remote unit comprises: the upper end face of the inner mounting box (11) is fixedly provided with a suspension arm (18) through bolts, the upper end of the suspension arm (18) is fixed on the inner top wall of the sun-proof shell (13) through bolts, and the inner mounting box (11) is provided with ventilation holes (17) at intervals.