CN111741379A - Small communication base station - Google Patents

Abstract

The invention relates to a small-sized communication base station which comprises an outer cover, a radiator, an antenna assembly, a filter, a shielding cover and a PCB (printed circuit board) which are arranged between the outer cover and the radiator, wherein the radiator comprises a radiating body and radiating teeth, the radiating body comprises a bottom plate and first side plates which respectively extend inwards from the two side edges of the bottom plate, the first radiating teeth extend outwards from the bottom plate, reinforcing ribs are arranged on the first side plates, and the reinforcing ribs are provided with screw holes for fixing the outer cover. Compared with the prior art, the invention has the technical effects of convenient installation, compact structure, small volume, increased heat dissipation area and the like.

Description

Small communication base station

technical field

The present invention relates to the field of communication technologies, in particular to a communication base station.

Background technique

A wireless communication base station refers to a radio transceiver station that transmits information with wireless terminals through a wireless communication exchange center in a certain radio coverage area. The receiving mode of the base station is that the antenna receives the signal, and the signal is transmitted to the PCB board through the filter. The transmission mode of the base station is that the data of the core network is transmitted to the PCB board through the optical fiber.

With the development of 5G edge computing and high-speed local caching, small cells hanging from utility poles will perform more and more data storage and computing functions in the future. In practical applications, requirements for easy installation and minimization of size are put forward for small base stations.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to avoid the shortcomings of the prior art and propose a small communication base station that not only has good heat dissipation effect but also has a small volume.

The technical scheme adopted by the present invention to solve its technical problems is:

A small communication base station is provided, comprising a cover, a radiator, an antenna assembly, a filter, a shield and a PCB board between the cover and the radiator, the heat sink includes a heat dissipation body and a heat dissipation tooth, and the heat dissipation body includes a bottom plate and first side plates extending inwards from both sides of the bottom plate respectively, first radiating teeth extending outward from the bottom plate, each first side plate is provided with a reinforcing rib, and the reinforcing rib is provided with a screw hole for fixing the the outer cover.

further:

It also includes a first end cover and a second end cover that close both ends of the outer cover and the heat dissipation body, the two ends of the bottom plate of the heat dissipation body are respectively provided with second partial thickening parts, and the second partial thickening parts are provided with screw holes for for fixing the first end cap and the second end cap.

The first end cover includes a first cover body and a first handle that closes one end of the outer cover and the heat dissipation body, the first handle extends from the first cover body to the direction of the first heat dissipation teeth, and the first handle is integrated with the first cover body. forming.

The second end cover includes an integrally formed second cover body and a second handle junction box, and the second handle extends from the second cover body toward the first heat dissipation teeth.

A junction box extends from the second end cover to the length direction of the base station, and the junction box is integrally formed with the second cover body.

The heights of the first handle and the second handle are less than or equal to the height of the first heat dissipating teeth.

The outer cover includes a top plate and second side plates respectively extending from two side edges of the top plate, and the second side plates and the first side plates partially overlap.

The top plate of the outer cover is arc-shaped.

The PCB board includes a power amplifier circuit, a digital intermediate frequency circuit, an optical module and a power supply module, and is a whole board attached to the bottom plate of the radiator, or divided into a plurality of small boards attached to the bottom plate respectively.

Second radiating teeth extend outward from the first side plate.

A small communication base station is provided, which includes an outer cover, a radiator, an antenna assembly, a filter, a shielding cover and a PCB board vertically arranged in sequence between the outer cover and the radiator, the radiator includes a heat dissipation body and a heat dissipation tooth, and the The heat dissipation body includes a bottom plate and a first side plate extending inward from both sides of the bottom plate respectively, first heat dissipation teeth extend outward from the bottom plate, and each first side plate is provided with a reinforcing rib, and the reinforcing rib is provided with a screw hole It is used to fix the outer cover; both ends of the outer cover and the heat dissipation body are closed by the first end cover and the second end cover. The thick part is provided with screw holes for fixing the first end cap and the second end cap, and the first end cap and the second end cap are sealed and waterproof by means of gluing.

Compared with the prior art, the present invention has the advantages of convenient installation, compact structure, small volume, and can increase the heat dissipation area and other technical effects.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of an embodiment of a small communication base station of the present invention;

FIG. 2 is an exploded schematic diagram of an embodiment of a small communication base station of the present invention;

3 is a schematic longitudinal cross-sectional view of an embodiment of a small communication base station of the present invention;

4 is a schematic cross-sectional view of an embodiment of a small communication base station of the present invention;

5 is a schematic perspective view of a radiator according to an embodiment of a small communication base station of the present invention;

Fig. 6 is the cross-sectional schematic diagram of the radiator of the embodiment of the small communication base station of the present invention;

7 is a schematic perspective view of a first end cover of an embodiment of a small communication base station of the present invention;

8 is a schematic perspective view of a second end cover of an embodiment of a small communication base station of the present invention;

FIG. 9 is a schematic perspective view of a housing of an embodiment of a small communication base station of the present invention.

Detailed ways

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

A small communication base station 100, as shown in FIG. 1 to FIG. 4, includes a housing 10, an antenna assembly 30, a filter 40, a shielding cover 50, a PCB board 60, a radiator 20, an antenna assembly 30, a filter The device 40 , the shielding cover 50 and the PCB board 60 are stacked in sequence and disposed in the space formed by the outer cover 10 and the heat sink 20 . The filter 40 is fixed on the surface of the shield case 50 . As shown in FIG. 5 and FIG. 6 , the heat sink 20 includes a heat dissipation body 21 and heat dissipation teeth 22 . The heat dissipation body 21 includes a bottom plate 211 and first side plates 212 respectively extending from two side edges of the bottom plate 211 . First radiating teeth 221 extend outward from the bottom plate 211 (ie, in a direction away from the first side plate 212 ), the first side plates 212 extend inward from the bottom plate 211 , and each first side plate 212 is provided with There are screw holes for fixing the housing 10 .

As shown in FIGS. 1 to 3 , both ends of the outer cover and the heat dissipating body are closed by a first end cover 70 and a second end cover 80 . The inner sides of the two first side plates 212 are relatively convex to form a reinforcing rib 2121 respectively. There are screw holes (not marked in the figure). Two ends of the bottom plate 211 of the heat dissipating body 21 are respectively provided with second partial thickening parts 2111 , and screw holes (not marked in the figure) are provided in the second partial thickening parts 2111 . The reinforcing rib 2121 and the screw holes provided on the partially thickened part 2111 are used for fixing the first end cover 70 and the second end cover 80 . In some embodiments, the first end cap 70 and the second end cap 80 are sealed and waterproof by means of gluing.

As shown in FIG. 7 , the first end cover 70 includes a first cover body 71 and a first handle 72 . The first handle 72 extends from the first cover body 71 toward the first heat dissipation teeth 221 . The first handle 72 is connected to the first cover. The body 71 is integrally formed.

As shown in FIG. 8 , the second end cover 80 includes a second cover body 81 , a second handle 82 and a junction box 83 that are integrally formed. The second handle 82 extends from the second cover body 81 toward the first heat dissipation teeth 221 . , the junction box 83 extends from the second cover body 81 to the length direction of the base station.

As shown in FIGS. 1 to 3 , the heights of the first handle 72 and the second handle 82 are not greater than the height of the first heat dissipating teeth 221 . The handle is flush with the heat dissipation teeth or lower than the heat dissipation teeth, so that the shape is regular, which is conducive to the packaging and transportation of the base station.

As shown in FIG. 9 , the outer cover 10 includes a top plate 11 and a second side plate 12 extending inwardly from both side edges of the top plate, the second side plate 12 and the first side plate portion 212 are overlapped, and reinforcing ribs 2121 At the overlap, the reinforcing ribs 2121 are provided with fixing screw holes. The second side plate 12 and the first side plate portion 212 are fixed by means of screws. The top plate 11 of the housing 10 is arc-shaped. As shown in FIG. 6 , the upper part of the outer side of the side plate 212 of the radiator 20 , that is, the reinforcing rib 2121 indents inward to form a step, and the thickness of the indentation is exactly equal to the thickness of the side plate 12 of the outer cover. As shown in FIG. 4 , the side plate 12 of the housing covers the outer side of the stepped portion. In the assembled state, the side surface of the small communication base station 100 is flush.

The PCB board 60 includes a power amplifier circuit, a digital intermediate frequency circuit, an optical module and a power supply module, and is a whole board attached to the bottom plate of the radiator, or divided into a plurality of small boards attached to the bottom plate respectively. Since the PCB board is arranged in a single layer and is attached to the heat dissipation plate, the heat dissipated by the power devices arranged on the PCB board is dissipated through the heat dissipation plate installed on the back of the base station and then through the heat dissipation teeth, which not only has a good heat dissipation effect, but also reduces the heat dissipation. Reduced size and weight.

The heat dissipation teeth 22 are extruded profiles, and include first heat dissipation teeth 221 extending outward from the bottom plate 211 and second heat dissipation teeth 222 extending outward from the first side plate 212 . In order to prevent the increase of the volume, the depth of the second heat dissipation teeth 222 can be made short. The heat dissipated by the power devices on the PCB board 60 is transmitted to the first heat dissipating teeth 221 through the bottom plate 211 of the heat sink and dissipated into the air. At the same time, the heat of the radiator bottom plate 211 can be transferred to the first side plate 212 and then dissipated into the air through the second heat dissipation teeth 222 . The side plate is added to the radiator, and the heat-dissipating teeth are added on the side plate, which increases the heat-dissipating area without increasing the size of the body with a compact structure.

The invention can be used in 690M-960M communication base stations, adopts FDD frequency division duplex mode, has two communication channels, the number of filters is 4, the number of interfaces at the antenna end is 2, and the number of interfaces at the power amplifier end is 4. When installed and used, the first end cover of the small communication base station is upward, the second end cover is downward, and the junction box is located below, which is convenient for installation. The side plates of the small communication base station of the present invention extend from the two sides of the bottom plate respectively, and the side plates are provided with local thickening parts for punching and tapping for locking the outer cover, and local thickening parts can also be set at both ends of the bottom plate for Punch and tap to lock end caps. The invention is not only convenient for installation, but also has a compact structure and a small volume, and can increase the heat dissipation area.

It should be understood that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them. For those skilled in the art, the technical solutions recorded in the above embodiments can be modified, or some of the technical features can be modified. Equivalent replacements are made; and these modifications and replacements shall fall within the protection scope of the appended claims of the present invention.

Claims (10)

1. The utility model provides a small-size communication base station, includes dustcoat, radiator and is located antenna module, filter, shield cover and the PCB board between dustcoat and radiator, the radiator includes heat dissipation body and heat dissipation tooth, its characterized in that: the heat dissipation body comprises a bottom plate and first side plates extending inwards from the two side edges of the bottom plate respectively, first heat dissipation teeth extend outwards from the bottom plate, reinforcing ribs are arranged on the first side plates, and the reinforcing ribs are provided with screw holes for fixing the outer cover.

2. The small form factor communication base station of claim 1, wherein: still including sealing the first end cover and the second end cover at dustcoat and heat dissipation body both ends, the bottom plate both ends of heat dissipation body are equipped with the local thickening position of second respectively, this local thickening position of second with the tip of strengthening rib sets up the screw and is used for fixing first end cover and second end cover.

3. The small form factor communication base station of claim 2, wherein: the first end cover comprises a first cover body and a first handle, the first cover body and the first handle are used for sealing one end of the outer cover and one end of the heat dissipation body, the first handle extends from the first cover body to the direction of the first heat dissipation tooth, and the first handle and the first cover body are integrally formed.

4. The small form factor communication base station of claim 2, wherein: the second end cover comprises a second cover body and a second handle junction box which are integrally formed, and the second handle extends from the second cover body to the direction of the first heat dissipation tooth.

5. The small form factor communication base station of claim 4, wherein: and a junction box extends from the second end cover to the length direction of the base station, and the junction box and the second cover body are integrally formed.

6. The small form factor communication base station of claim 3, wherein: the height of the first handle and the second handle is less than or equal to that of the first heat dissipation teeth.

7. The small form factor communication base station of claim 1, wherein: the outer cover comprises a top plate and second side plates extending from two side edges of the top plate respectively, the second side plates are partially overlapped with the first side plates, and the top plate of the outer cover is arc-shaped.

8. The small form factor communication base station of claim 1, wherein: the PCB comprises a power amplifier circuit, a digital intermediate frequency circuit, an optical module and a power module, and is formed by attaching a whole board to a bottom board of the radiator or dividing the whole board into a plurality of small boards which are respectively attached to the bottom board.

9. The small form factor communication base station of any of claims 1 to 8, wherein: second heat dissipation teeth extend outwards from the first side plate.

10. The utility model provides a small-size communication base station, includes dustcoat, radiator and is located antenna module, wave filter, shield cover and the PCB board of vertical arrangement in proper order between dustcoat and the radiator, the radiator includes heat dissipation body and heat dissipation tooth, its characterized in that: the heat dissipation body comprises a bottom plate and first side plates extending inwards from two side edges of the bottom plate respectively, first heat dissipation teeth extend outwards from the bottom plate, reinforcing ribs are arranged on the first side plates, and the reinforcing ribs are provided with screw holes for fixing the outer cover; the outer cover and the two ends of the heat dissipation body are sealed by the first end cover and the second end cover, the two ends of the bottom plate of the heat dissipation body are respectively provided with a second local thickening part, the second local thickening part is provided with a screw hole for fixing the first end cover and the second end cover, and the first end cover and the second end cover are sealed and waterproof in a glue filling mode.

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