CN217389218U

CN217389218U - Power amplification optical fiber radio frequency remote device

Info

Publication number: CN217389218U
Application number: CN202220994163.6U
Authority: CN
Inventors: 叶恺
Original assignee: Zhejiang Zhongzheng Communication Technology Co ltd
Current assignee: Zhejiang Zhongzheng Communication Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-09-06
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a technical field is drawn far to the radio frequency, discloses a device is drawn far to power amplification optic fibre radio frequency, the utility model discloses a bearing box, separate heat exchanger, integrated electronic module, separate heat exchanger and be fixed in the upper end of bearing box through bolted connection, separate heat exchanger including bearing tray and thermal-insulated overburden, thermal-insulated overburden lays in bearing tray, the hole that leaks that link up about bilateral symmetry is equipped with on the bearing tray, the sponge stopper has been installed to the stopper in the hole that leaks, bearing box includes the box and articulates the chamber door on the box, bolted connection is equipped with the right angle board in the box, integrated electronic module fixed connection is on the right angle board, integrated electronic module all with the box contact about and around and the front and back side. The utility model discloses a confirm the mounted position of heat exchanger according to direction at sunshine and the oblique angle of incidence at sunshine for whole day does not receive sunshine to penetrate directly under clear weather for the bearing box, and the illumination penetrates directly behind the thermal-insulated overburden will be by partial reflection, is heated up because white quartz sand porous structure also can dispel the heat fast after being absorbed.

Description

Power amplification optical fiber radio frequency remote device

Technical Field

The utility model belongs to the technical field of the device technique is pulled far away to the radio frequency and specifically relates to power amplification optic fibre radio frequency is pulled far away and is put.

Background

A Radio Remote Unit (RRU) is a technology for converting a baseband signal into an optical signal for transmission, and for Remote amplification, the RRU generally includes four modules: the device comprises an intermediate frequency module, a transceiver module, a power amplifier and filter module and a bearing case. As RRU has the advantages of low noise, small size, and light weight, it is widely used in the field of communications. Although the existing RRU chassis is provided with a heat dissipation unit, if the existing RRU chassis is in a high-temperature indoor environment or an insolation outdoor environment, the high-temperature operation of integrated electronic components such as an intermediate frequency module, a transceiver module, a power amplifier and a filter module still occurs, which leads to frequent failure or performance degradation or accelerated degradation of service life, and therefore, the RRU device still needs to solve the problems of heat insulation and insolation prevention.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to overcome the above problems, a power amplifying fiber radio frequency remote device is provided, which solves the above problems.

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

power amplification optic fibre radio frequency device of zooming out, including bearing box, thermal-insulated cover, integrated electronic module, thermal-insulated cover is fixed in through bolted connection bearing box's upper end, thermal-insulated cover is including bearing tray and thermal-insulated overburden, thermal-insulated overburden lays in the bearing tray, the bilateral symmetry is equipped with the hole that leaks that link up from top to bottom on the bearing tray, the sponge stopper has been installed to the stopper in the hole that leaks, bearing box include the box and articulate in chamber door on the box, bolted connection is equipped with the right angle board in the box, integrated electronic module fixed connection in on the right angle board, integrated electronic module about from top to bottom and the front and back side all not with the box contact, the interval is equipped with the stationary blade on the box.

Preferably, a plurality of adjusting threaded holes are formed in the lower end face of the bearing plate at intervals, at least two connecting bolts are arranged on the box body in a threaded connection mode, and the upper ends of the connecting bolts penetrate through the box body and are in threaded connection with the adjusting threaded holes.

Preferably, the heat insulation covering layer comprises white quartz fiber mesh cloth, white quartz sand and pearl sand, the white quartz sand and the pearl sand are arranged in the white quartz fiber mesh cloth, the white quartz sand is located on the upper side of the pearl sand, the diameter of the pearl sand is smaller than that of the white quartz sand, the mesh aperture of the white quartz fiber mesh cloth is smaller than that of the pearl sand, and the diameter of the sponge plug is smaller than that of the pearl sand.

Preferably, the upper end surface of the supporting plate is in an arc shape with a high middle and two low sides.

Preferably, the upper end face of the heat shield is fixedly provided with raised reinforcing ribs which are vertically and horizontally staggered.

Preferably, the left side and the right side of the box body are provided with through heat dissipation holes at intervals, rain-proof covers are fixedly arranged at the left side and the right side of the box body at intervals, and the rain-proof covers cover the heat dissipation holes.

The utility model discloses an advantage is with positive effect: through confirming according to sunshine direction and sunshine oblique angle of incidence the mounted position of heat shield makes the bearing box is not penetrated directly by sunshine under clear weather whole day, and the illumination is penetrated directly will be by partial reflection behind the thermal-insulated overburden, even raise the temperature after being absorbed because white quartz sand reaches the porous structure of pearl sand also can dispel the heat fast to this structure weatherability is good to be difficult for ageing decomposition because of blowing in the sun, and the rectangular plate will integrated electronic module set up in the middle of the bearing box is effectual the speed that has reduced the heat transfer, simultaneously the circulation of air of louvre also can more effective act on integrated electronic module is last.

Drawings

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

FIG. 1 is a schematic view of the whole cross-section structure of the present invention;

FIG. 2 is a schematic view of the full-section structure of the heat-insulating cover layer of the present invention;

FIG. 3 is a schematic top view of the heat shield of the present invention;

fig. 4 is a side view of the utility model discloses well bearing box and cut open the structural schematic diagram entirely.

The scores in the figures are as follows: 10. a heat shield; 11. a carrying case; 12. a support tray; 13. adjusting the threaded hole; 14. a sponge plug; 15. a box body; 16. heat dissipation holes; 17. a rain cover; 18. an integrated electronic module; 19. a fixing sheet; 20. a connecting bolt; 21. a water leakage hole; 22. reinforcing ribs; 23. a box door; 24. a right-angle plate; 25. white quartz fiber mesh cloth; 26. a heat insulating blanket; 27. white quartz sand; 28. pearl sand.

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, the power amplifying fiber radio frequency remote device of the present invention comprises a carrying box 11, a heat shield 10, an integrated electronic module 18, the heat shield 10 is fixed on the upper end of the carrying case 11 through bolt connection, the heat shield 10 comprises a bearing tray 12 and a heat insulation covering layer 26, the heat insulation covering layer 26 is laid in the bearing tray 12, the bearing tray 12 is provided with water leakage holes 21 which are communicated up and down in a bilateral symmetry way, the sponge plug 14 is arranged in the water leakage hole 21, the bearing box 11 comprises a box body 15 and a box door 23 hinged on the box body 15, a right-angle plate 24 is arranged in the box body 15 in a bolted connection mode, the integrated electronic module 18 is fixedly connected to the right-angle plate 24, the upper, lower, left, right, front and rear sides of the integrated electronic module 18 are not in contact with the box body 15, and fixing pieces 19 are arranged on the box body 15 at intervals.

Preferably, a plurality of adjusting threaded holes 13 are formed in the lower end face of the supporting tray 12 at intervals, at least two connecting bolts 20 are arranged on the box body 15 in a threaded connection manner, the upper ends of the connecting bolts 20 penetrate through the box body 15 and are in threaded connection with the adjusting threaded holes 13, specifically, the connecting positions of the connecting bolts 20 and the adjusting threaded holes 13 can be selected according to the orientation of the installation position, that is, after the heat shield 10 is fixed on the bearing box 11 through bolts, the bearing box 11 is completely covered by a shadow face formed by the heat shield 10, so that the bearing box 11 is not directly irradiated by sunlight under the sunshine condition of the whole day, the size of the supporting tray 12 can be reduced to a certain extent by adjusting the matching positions of the connecting bolts 20 and the adjusting threaded holes 13 to avoid the heat shield 10 from being made too large, reducing the material consumption and the cost.

Preferably, the heat-insulating covering layer 26 comprises white quartz fiber mesh cloth 25, white quartz sand 27 and pearl sand 28, the white quartz sand 27 and the pearl sand 28 are arranged in the white quartz fiber mesh cloth 25, and the white quartz sand 27 is located at the upper side of the pearl sand 28, the diameter of the pearl sand 28 is smaller than that of the white quartz sand 27, the mesh aperture of the white quartz fiber mesh cloth 25 is smaller than the diameter of the pearl sand 28, the diameter of the sponge plug 14 is smaller than the diameter of the pearl sand 28, the white quartz sand 27 and the pearl sand 28 are stacked to have good reflection and heat insulation effects, and air-permeable and heat dissipation effects, and the white quartz fiber mesh cloth 25 is coated outside the white quartz sand 27 and the pearl sand 28, so that the pearl sand 28 and the white quartz sand 27 can be prevented from being eroded by strong wind.

Preferably, the upper end surface of the support tray 12 is in an arc shape with a high middle and two low sides, and the heat insulation covering layer 26 can be quickly cooled by rainwater in rainy days, and the rainwater slides down from the water leakage holes 21 to the two sides along the arc surface at the upper end of the support tray 12.

Preferably, the upper end face of the heat shield 10 is fixedly provided with a raised reinforcing rib 22, the reinforcing rib 22 is vertically staggered in a crisscross manner, the support tray 12 can be made of engineering plastics, and the strength and the bearing capacity of the support tray are enhanced by the structure of the reinforcing rib 22.

Preferably, the left and right sides of the box body 15 are provided with through heat dissipation holes 16 at intervals, the left and right sides of the box body 15 are fixedly provided with rain-proof covers 17 at intervals, the rain-proof covers 17 cover the outside of the heat dissipation holes 16, air can enter the box body 15 through the heat dissipation holes 16 at the left and right sides to flow for realizing heat exchange, and meanwhile the rain-proof covers 17 can effectively block raindrops obliquely shot to avoid rainwater entering the box body 15.

In specific implementation, the heat shield 10 is connected to the carrying box 11 through the connecting bolt 20 according to the installation position and orientation of the carrying box 11, specifically, the installation position of the heat shield 10 should be determined according to the sunshine direction and the sunshine oblique angle, so that the carrying case 11 is not exposed to direct sunlight all day long in a clear weather, the light will be partially reflected after directing the heat insulating cover layer 26, even if the temperature rises after being absorbed, heat can be rapidly dissipated due to the porous structure of the white quartz sand 27 and the pearl sand 28, and the structure has good weather resistance and is not easy to age and decompose due to wind and sunshine, and the rate of heat transfer is effectively reduced by arranging the integrated electronic module 18 in the middle of the bearing box 11 through the right-angle plate 24, at the same time, the ventilation of the heat dissipation hole 16 can also be more effectively applied to the integrated electronic module 18.

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. The power amplification optical fiber radio frequency remote device is characterized in that: including bearing box (11), thermal-insulated cover (10), integrated electronic module (18), thermal-insulated cover (10) are fixed in through bolted connection bearing box's (11) upper end, thermal-insulated cover (10) are including bearing tray (12) and thermal-insulated overburden (26), thermal-insulated overburden (26) are laid in bearing tray (12), bilateral symmetry is equipped with hole (21) that leaks that link up from top to bottom on bearing tray (12), sponge stopper (14) have been installed to hole (21) intussuseption, bearing box (11) include box (15) and articulate in chamber door (23) on box (15), bolted connection is equipped with right angle board (24) in box (15), integrated electronic module (18) fixed connection in on board (24), the upper and lower left and right sides and front and back side of integrated electronic module (18) right angle all with box (15) contact, fixing pieces (19) are arranged on the box body (15) at intervals.

2. The power amplifying fiber radio frequency remote device according to claim 1, wherein: the lower end face of the bearing plate (12) is provided with a plurality of adjusting threaded holes (13) at intervals, the box body (15) is provided with at least two connecting bolts (20) in a threaded connection mode, and the upper ends of the connecting bolts (20) penetrate through the box body (15) and are in threaded connection with the adjusting threaded holes (13).

3. The power amplifying fiber radio frequency remote device according to claim 1, wherein: the heat insulation covering layer (26) comprises a white quartz fiber mesh cloth (25), white quartz sand (27) and pearl sand (28), the white quartz sand (27) and the pearl sand (28) are arranged in the white quartz fiber mesh cloth (25), the white quartz sand (27) is located on the upper side of the pearl sand (28), the diameter of the pearl sand (28) is smaller than that of the white quartz sand (27), the mesh aperture of the white quartz fiber mesh cloth (25) is smaller than that of the pearl sand (28), and the diameter of the sponge plug (14) is smaller than that of the pearl sand (28).

4. The power amplifying fiber radio frequency remote device according to claim 1, wherein: the upper end surface of the supporting plate (12) is in an arc shape with a high middle and two low sides.

5. The power amplifying fiber radio frequency remote device according to claim 1, wherein: the upper end face of the heat shield (10) is fixedly provided with raised reinforcing ribs (22), and the reinforcing ribs (22) are vertically and horizontally staggered.

6. The power amplifying fiber radio frequency remote device according to claim 2, wherein: the box is characterized in that through heat dissipation holes (16) are formed in the left side and the right side of the box body (15) at intervals, rain-proof covers (17) are fixedly arranged on the left side and the right side of the box body (15) at intervals, and the rain-proof covers (17) cover the outer portions of the heat dissipation holes (16).