CN113097695B - Miniaturized 5G base station antenna - Google Patents

Abstract

The invention belongs to the technical field of 5G base stations, and particularly relates to a miniaturized 5G base station antenna which comprises a heat dissipation base, an antenna body and a light shield, wherein heat dissipation holes are formed in the lower surface of the heat dissipation base, main support columns are fixedly installed on the upper surface of the heat dissipation base, and the light shield is installed on the upper surfaces of the main support columns; the lower surface of the heat dissipation base is provided with a damping device which is used for damping and avoiding vibration on the heat dissipation base; the upper surface of heat dissipation base is provided with the heat sink, the heat sink carries out the water spray cooling to the antenna body. This miniaturized 5G base station antenna, through setting up the heat sink, by the temperature of non-contact temperature sensor detection antenna body to give the PCL module with temperature data, when the high temperature, PCL module control annular atomizer sprays the water smoke cooling towards the antenna body, and it is relatively poor effectively to have solved current 5G base station antenna thermal diffusivity, and the temperature in case too high can lead to the problem of the shut down of G base station.

Description

A miniaturized 5G base station antenna

technical field

The present invention relates to the technical field of 5G base stations, and in particular, to a miniaturized 5G base station antenna.

Background technique

5G base station is the core equipment of 5G network, which provides wireless coverage and realizes wireless signal transmission between wired communication network and wireless terminals. The architecture and form of the base station directly affect how the 5G network is deployed. Since the higher the frequency, the greater the attenuation during signal propagation, the density of base stations in the 5G network will be higher. 5G will bring a new experience to users, and it has a transmission rate ten times faster than 4G. The antenna is the signal transceiver device of the communication system. The 5G era puts forward new requirements for the antenna system. For base stations, one of the main principles of antenna design is miniaturization. The antennas of different systems are designed together. In order to reduce costs and save space, they must be made small enough. Therefore, the antennas need to be multi-band, wide-band, and multi-beam with some special requirements.

The existing 5G base station antenna has poor heat dissipation. Once the temperature is too high, the 5G base station will be down. In addition, the shock absorption function of small mobile 5G base stations is poor, such as during transportation or moving small 5G base stations. Vibration will occur, and these vibrations will affect the stability of electronic components such as base station circuit boards;

SUMMARY OF THE INVENTION

Based on the poor heat dissipation and shock absorption and technical problems of the existing 5G base station antenna, the present invention proposes a miniaturized 5G base station antenna.

A miniaturized 5G base station antenna proposed by the present invention includes a heat dissipation base, an antenna body and a light shield. A heat dissipation hole is formed on the lower surface of the heat dissipation base, and a main support column is fixedly installed on the upper surface of the heat dissipation base. A hood is installed on the upper surface of the main support column;

An antenna angle adjustment device is arranged on the upper surface of the heat dissipation base, and the antenna angle adjustment device adjusts the angle of the antenna body;

The lower surface of the heat dissipation base is provided with a shock absorption device, and the shock absorption device performs shock absorption on the heat dissipation base;

A cooling device is arranged on the upper surface of the heat dissipation base, and the cooling device sprays water mist to cool the antenna body.

Preferably, the antenna angle adjustment device includes an output shaft support seat, the output shaft support seat is fixedly mounted on the upper surface of the heat dissipation base, and a drive bin is connected to one side surface of the output shaft support seat, and the drive A servo motor is fixedly installed on the inner side wall of the bin, the output shaft of the servo motor is rotatably connected with the inner wall of the output shaft support seat, the output shaft of the servo motor is fixedly sleeved with an adjustment seat, and the upper surface of the adjustment seat is The antenna body is fixedly mounted.

Through the above technical solution, the base station circuit board controls the rotation of the servo motor, the servo motor rotates forward to drive the antenna body to tilt to the left, and the servo motor rotates to the right to drive the antenna body to tilt to the right.

Preferably, a water collecting port is formed on the top of the light hood, a water leakage hole is formed on the surface of the light shading cover, a water guide groove is formed on the side surface of the water collecting port, and the water collecting port is fixed with the water leakage hole through the water guide groove. Connected.

Through the above technical solutions, on the one hand, the hood can reduce the radiant heat caused by sunlight, and on the other hand, it can guide the rainwater when it rains.

Preferably, the cooling device includes a water storage tank and a water conduit, the water storage tank is fixedly installed on the upper surface of the heat dissipation base, and the water leakage hole is fixedly communicated with the water storage tank through the water conduit.

Through the above technical solution, the rainwater flows into the water conduit through the water leakage hole, and finally flows into the water storage tank from the water conduit.

Preferably, the cooling device further comprises a water guiding support column, a connecting arm and an annular sprayer, the water guiding support column is fixedly installed on the upper surface of the water storage tank, and the upper surface of the water guiding support column is connected to the light-shielding support column. The cover is fixedly connected, the interiors of the water guiding support column and the connecting arm are both hollow, and the water storage tank is in fixed communication with the annular sprayer through the water guiding support column and the connecting arm.

Through the above technical solution, the water storage tank, the water guide support column, the connecting arm and the annular sprayer are fixedly connected, and the water in the water storage tank can enter the annular sprayer through the water guide support column and the connecting arm, and then spray out through the annular sprayer.

Preferably, the cooling device further comprises a control chamber, a non-contact temperature sensor, a battery and a PCL module, the control chamber is arranged on the upper surface of the annular sprayer, and the non-contact temperature sensor is arranged on the side of the annular sprayer On the surface, the battery and the PCL module are arranged inside the control compartment, the PCL control module is electrically connected to the battery, the non-contact temperature sensor is electrically connected to the PCL control module, and the PCL controls A module is electrically connected to the annular nebulizer.

Through the above technical solution, the non-contact temperature sensor detects the temperature of the antenna body and transmits the temperature data to the PCL module. When the temperature is too high, the PCL module controls the annular sprayer to spray water mist on the antenna body.

Preferably, the shock absorbing device includes a shock absorbing base, an upper shock absorbing sheet, a lower shock absorbing sheet, a shock absorbing spring and a shock absorbing rod, and the lower shock absorbing sheet is fixedly mounted on the upper surface of the shock absorbing base by means of bolts , the upper surface of the lower shock-absorbing sheet is fixedly connected with a shock-absorbing spring, the middle of the lower shock-absorbing sheet is fixedly installed with a shock-absorbing rod, the upper shock-absorbing sheet is slidably sleeved on the surface of the shock-absorbing rod, and the The upper shock absorbing sheet is fixedly connected with the shock absorbing spring.

Through the above technical solution, the upper shock absorbing sheet and the lower shock absorbing sheet are respectively fixed on the lower surface of the heat dissipation base and the upper surface of the shock absorbing base by bolts, and the shock absorbing spring arranged between the two can effectively reduce vibration.

Preferably, a shock absorption hole is formed on the lower surface of the heat dissipation base, the upper shock absorption sheet is fixedly installed on the lower surface of the heat dissipation base by bolts, and the shock absorption rod is slidably inserted into the shock absorption hole.

Through the above technical solution, the shock-absorbing rod is slidably connected to the shock-absorbing hole, so that the shock-absorbing spring can only absorb shock vertically, and prevent the horizontal shock-absorbing of the spring from causing the heat dissipation base to tilt.

Preferably, the inner top wall of the heat dissipation base is provided with a base station circuit board, the base station circuit board is electrically connected with the servo motor and the antenna body, and a radiator is provided on the lower surface of the base station circuit board.

Through the above technical solution, the radiator performs air cooling and heat dissipation on the circuit board of the base station, and then discharges the hot air through the heat dissipation holes on the lower surface of the heat dissipation base.

The beneficial effects in the present invention are:

1. By setting the cooling device, the temperature of the antenna body is detected by the non-contact temperature sensor, and the temperature data is transmitted to the PCL module. When the temperature is too high, the PCL module controls the ring sprayer to spray water mist on the antenna body to cool down, effectively It solves the problem that the existing 5G base station antenna has poor heat dissipation, and once the temperature is too high, the 5G base station will be down.

2. By setting the shock absorber, the upper shock absorbing sheet and the lower shock absorbing sheet are respectively fixed on the lower surface of the heat dissipation base and the upper surface of the shock absorbing base by bolts, and the shock absorbing spring arranged between the two can effectively reduce the vibration. The shock-absorbing rod is slidably connected with the shock-absorbing hole, so that the shock-absorbing spring can only absorb the shock vertically, preventing the horizontal shock-absorbing of the spring from causing the heat dissipation base to tilt.

3. By setting the hood, on the one hand, the hood can reduce the radiant heat caused by sunlight, and on the other hand, it has the function of storing water when it rains. Then enter the water storage tank to store water for the annular sprayer.

4. By setting the shock absorption device, there is a certain space between the heat dissipation base and the shock absorption base, which is convenient for the radiator to discharge heat through the heat dissipation holes on the lower surface of the heat dissipation base.

Description of drawings

1 is a schematic diagram of a miniaturized 5G base station antenna proposed by the present invention;

2 is a perspective view of a light shield structure of a miniaturized 5G base station antenna proposed by the present invention;

3 is an exploded view of a heat dissipation base structure of a miniaturized 5G base station antenna proposed by the present invention;

4 is a perspective view of a ring sprayer structure of a miniaturized 5G base station antenna proposed by the present invention;

5 is a cross-sectional view of a heat dissipation base structure of a miniaturized 5G base station antenna proposed by the present invention;

6 is a cross-sectional view of a control bin structure of a miniaturized 5G base station antenna proposed by the present invention;

FIG. 7 is a cross-sectional view of a drive bay structure of a miniaturized 5G base station antenna proposed by the present invention.

In the figure: 1. Cooling base; 11. Antenna body; 12. Light hood; 13. Heat dissipation hole; 14. Main support column; 2. Output shaft support seat; ;3, water gathering port; 31, leaking hole; 32, water guide; 4, water storage tank; 41, water guide; 5, water guide support column; 51, connecting arm; 52, annular sprayer; 6, control bin; 61, Non-contact temperature sensor; 62, battery; 63, PCL module; 7, shock absorber base; 71, upper shock absorber; 72, lower shock absorber; 73, shock spring; 74, shock rod; 8, reducer Vibration hole; 9, base station circuit board; 91, radiator.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

1-7, a miniaturized 5G base station antenna includes a heat dissipation base 1, an antenna body 11 and a light shield 12. The lower surface of the heat dissipation base 1 is provided with heat dissipation holes 13, and the upper surface of the heat dissipation base 1 is fixed A main support column 14 is installed, and a light shield 12 is installed on the upper surface of the main support column 14;

The upper surface of the heat dissipation base 1 is provided with an antenna angle adjustment device, and the antenna angle adjustment device adjusts the angle of the antenna body 11;

Further, the antenna angle adjustment device includes an output shaft support base 2, the output shaft support base 2 is fixedly mounted on the upper surface of the heat dissipation base 1, and one side surface of the output shaft support base 2 is connected with a drive compartment. 21. A servo motor 22 is fixedly installed on the inner wall of the drive compartment 21. The output shaft of the servo motor 22 is rotatably connected to the inner wall of the output shaft support base 2. The output shaft of the servo motor 22 is fixedly sleeved with a An adjustment seat 23, the antenna body 11 is fixedly mounted on the upper surface of the adjustment seat 23.

The base station circuit board 9 controls the servo motor 22 to rotate, the servo motor 22 rotates forward and drives the antenna body 11 to tilt to the left, and the servo motor 22 rotates to the right to drive the antenna body 11 to tilt to the right.

A shock absorbing device is provided on the lower surface of the heat dissipation base 1, and the shock absorption device performs shock absorption and shock absorption on the heat dissipation base 1;

Further, the shock absorbing device includes a shock absorbing base 7, an upper shock absorbing sheet 71, a lower shock absorbing sheet 72, a shock absorbing spring 73 and a shock absorbing rod 74, and the lower shock absorbing sheet 72 is fixedly mounted on the The upper surface of the shock-absorbing base 7, the upper surface of the lower shock-absorbing sheet 72 is fixedly connected with a shock-absorbing spring 73, the middle of the lower shock-absorbing sheet 72 is fixedly installed with a shock-absorbing rod 74, and the upper shock-absorbing sheet 71 The sliding sleeve is connected to the surface of the shock-absorbing rod 74 , and the upper shock-absorbing sheet 71 is fixedly connected with the shock-absorbing spring 73 .

The upper shock absorbing sheet 71 and the lower shock absorbing sheet 72 are respectively fixed on the lower surface of the heat dissipation base 1 and the upper surface of the shock absorbing base 7 by bolts, and the shock absorbing spring 73 disposed between them can effectively reduce vibration.

Further, the lower surface of the heat dissipation base 1 is provided with a shock absorption hole 8 , the upper shock absorption sheet 71 is fixedly installed on the lower surface of the heat dissipation base 1 by bolts, and the shock absorption rod 74 is connected to the shock absorber. Hole 8 is slidably inserted.

The shock-absorbing rod 74 is slidably inserted into the shock-absorbing hole 8 , so that the shock-absorbing spring 73 can only absorb shock vertically, so as to prevent the heat dissipation base 1 from tilting due to the horizontal shock-absorbing of the spring.

Further, the inner top wall of the heat dissipation base is provided with a base station circuit board 9, the base station circuit board 9 is electrically connected with the servo motor 22 and the antenna body 11, and the lower surface of the base station circuit board 9 is provided with heat dissipation. device 91.

The radiator 91 air-cools the base station circuit board 9 for heat dissipation, and then discharges the hot air through the heat dissipation holes 13 on the lower surface of the heat dissipation base 1 .

By setting the shock absorbing device, the upper shock absorbing sheet 71 and the lower shock absorbing sheet 72 are respectively fixed on the lower surface of the heat dissipation base 1 and the upper surface of the shock absorbing base 7 by bolts, and the shock absorbing spring 73 disposed between them can effectively To reduce vibration, the shock-absorbing rod 74 is slidably inserted into the shock-absorbing hole 8, so that the shock-absorbing spring 73 can only absorb shock vertically, preventing the horizontal shock-absorbing spring from causing the heat dissipation base 1 to tilt.

A cooling device is provided on the upper surface of the heat dissipation base 1 , and the cooling device sprays water mist to cool the antenna body 11 .

Further, the cooling device includes a water storage tank 4 and a water conduit 41 , the water storage tank 4 is fixedly installed on the upper surface of the heat dissipation base 1 , and the water leakage hole 31 passes through the water conduit 41 and the water storage tank 4 . Fixed connection.

The rainwater flows into the water conduit 41 through the water leakage hole 31 , and finally flows into the water storage tank 4 from the water conduit 41 .

Further, the cooling device also includes a water guiding support column 5, a connecting arm 51 and an annular sprayer 52. The water guiding support column 5 is fixedly installed on the upper surface of the water storage tank 4. The upper surface is fixedly connected to the hood 12 , the interiors of the water guide support column 5 and the connecting arm 51 are both hollow, and the water storage tank 4 is connected to the water guide support column 5 and the connecting arm 51 through the water guide support column 5 and the connecting arm 51 . The annular sprayer 52 is in fixed communication.

The water storage tank 4 , the water guide support column 5 , the connecting arm 51 and the annular sprayer 52 are in fixed communication.

Further, the cooling device also includes a control chamber 6, a non-contact temperature sensor 61, a battery 62 and a PCL module 63, the control chamber 6 is arranged on the upper surface of the annular sprayer 52, and the non-contact temperature sensor 61 is provided on the side surface surface of the annular sprayer 52, the battery 62 and the PCL module 63 are provided inside the control compartment 6, the PCL control module is electrically connected to the battery 62, the non-contact temperature sensor 61 It is electrically connected to the PCL control module, and the PCL control module is electrically connected to the annular sprayer 52 .

The non-contact temperature sensor 61 detects the temperature of the antenna body 11 and transmits the temperature data to the PCL module 63 . When the temperature is too high, the PCL module 63 controls the annular sprayer 52 to spray water mist on the antenna body 11 .

By setting the cooling device, the temperature of the antenna body 11 is detected by the non-contact temperature sensor 61, and the temperature data is transmitted to the PCL module 63. When the temperature is too high, the PCL module 63 controls the annular sprayer 52 to spray water on the antenna body 11. The fog cooling effectively solves the problem that the existing 5G base station antenna has poor heat dissipation, and once the temperature is too high, the 5G base station will be down.

Further, the top of the light shield 12 is provided with a water collecting port 3 , the surface of the light shield 12 is provided with a water leakage hole 31 , and the side surface of the water collecting port 3 is provided with a water guide groove 32 , and the water collecting port 3 passes through the guide. The water tank 32 is in fixed communication with the water leakage hole 31 .

On the one hand, the sunshade 12 can reduce the radiant heat caused by sunlight, and on the other hand, it can guide the rainwater when it rains.

By arranging the damping device, there is a certain space between the heat dissipation base 1 and the damping base 7 , so that the heat sink 91 can discharge heat through the heat dissipation holes 13 on the lower surface of the heat dissipation base 1 .

Working principle: When it rains, the water collecting port 3 on the hood 12 can drain the rainwater to the water guide trough 32, then enter the sink hole, and finally fall into the water storage tank 4 for the annular sprayer 52 to store water for backup. The temperature of the antenna body 11 is detected by the non-contact temperature sensor 61, and the temperature data is transmitted to the PCL module 63. When the temperature is too high, the PCL module 63 controls the annular sprayer 52 to spray water mist on the antenna body 11 to cool down. The base station circuit board 9 controls the rotation of the servo motor 22 to adjust the antenna to the angle with the best signal. The servo motor 22 rotates forward to drive the antenna body 11 to tilt to the left, and the servo motor 22 rotates to the right to drive the antenna body 11 to tilt to the right. The heat sink 91 can discharge the heat generated by the base station circuit board 9 through the heat dissipation holes 13 . The upper shock-absorbing sheet 71 and the lower shock-absorbing sheet 72 are respectively fixed on the lower surface of the heat dissipation base 1 and the upper surface of the shock-absorbing base 7 by bolts, and the shock-absorbing spring 73 arranged between the two can effectively reduce vibration, and the shock-absorbing rod 74 is slidably plugged into the shock-absorbing hole 8, so that the shock-absorbing spring 73 can only absorb shock vertically, so as to prevent the horizontal shock-absorbing spring from causing the heat dissipation base 1 to tilt.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (9)

1. A miniaturized 5G base station antenna, comprising a heat dissipation base (1), an antenna body (11) and a light shield (12), characterized in that: the lower surface of the heat dissipation base (1) is provided with heat dissipation holes (13) , a main support column (14) is fixedly installed on the upper surface of the heat dissipation base (1), and a light shield (12) is installed on the upper surface of the main support column (14); An antenna angle adjustment device is provided on the upper surface of the heat dissipation base (1), and the antenna angle adjustment device adjusts the angle of the antenna body (11); A shock absorbing device is provided on the lower surface of the heat dissipation base (1), and the shock absorption device performs shock absorption and shock absorption on the heat dissipation base (1); A cooling device is provided on the upper surface of the heat dissipation base (1), and the cooling device sprays water mist to cool the antenna body (11). 2. A miniaturized 5G base station antenna according to claim 1, characterized in that: the antenna angle adjustment device comprises an output shaft support seat (2), and the output shaft support seat (2) is fixedly installed on the On the upper surface of the heat dissipation base (1), one side surface of the output shaft support base (2) is connected with a drive compartment (21), and a servo motor (22) is fixedly installed on the inner side wall of the drive compartment (21), so The output shaft of the servo motor (22) is rotatably connected to the inner wall of the output shaft support seat (2), and the output shaft of the servo motor (22) is fixedly sleeved with an adjustment seat (23), and the adjustment seat (23) ) is fixedly mounted on the upper surface of the antenna body (11). 3. A miniaturized 5G base station antenna according to claim 1, characterized in that: a water collecting port (3) is provided on the top of the light shield (12), and a water leakage is provided on the surface of the light shield (12). A hole (31), a water guide groove (32) is formed on the side surface of the water collecting port (3), and the water collecting port (3) is fixedly communicated with the water leakage hole (31) through the water guide groove (32). 4. A miniaturized 5G base station antenna according to claim 3, characterized in that: the cooling device comprises a water storage tank (4) and a water conduit (41), and the water storage tank (4) is fixedly installed in the On the upper surface of the heat dissipation base (1), the water leakage hole (31) is in fixed communication with the water storage tank (4) through the water conduit (41). 5. A miniaturized 5G base station antenna according to claim 4, characterized in that: the cooling device further comprises a water guide support column (5), a connecting arm (51) and a ring sprayer (52), the guide The water support column (5) is fixedly installed on the upper surface of the water storage tank (4), the upper surface of the water guide support column (5) is fixedly connected with the light shield (12), and the water guide support column ( 5) Both the interior of the connecting arm (51) are hollow, and the water storage tank (4) is fixed to the annular sprayer (52) through the water guiding support column (5) and the connecting arm (51) Connected. 6. A miniaturized 5G base station antenna according to claim 5, characterized in that: the cooling device further comprises a control compartment (6), a non-contact temperature sensor (61), a battery (62) and a PCL module ( 63), the control chamber (6) is arranged on the upper surface of the annular sprayer (52), the non-contact temperature sensor (61) is arranged on the side surface of the annular sprayer (52), the battery (62) and a PCL module (63) is arranged inside the control compartment (6), the PCL module is electrically connected to the battery (62), and the non-contact temperature sensor (61) is electrically connected to the PCL module, The PCL module is electrically connected to the annular sprayer (52). 7 . The miniaturized 5G base station antenna according to claim 1 , wherein the shock absorbing device comprises a shock absorbing base ( 7 ), an upper shock absorbing sheet ( 71 ), a lower shock absorbing sheet ( 72 ), A shock-absorbing spring (73) and a shock-absorbing rod (74), the lower shock-absorbing sheet (72) is fixedly installed on the upper surface of the shock-absorbing base (7) by bolts, and the lower shock-absorbing sheet (72) is A shock-absorbing spring (73) is fixedly connected to the upper surface, a shock-absorbing rod (74) is fixedly installed in the middle of the lower shock-absorbing sheet (72), and the upper shock-absorbing sheet (71) is slidably sleeved on the shock-absorbing rod (72). 74), the upper shock-absorbing sheet (71) is fixedly connected with the shock-absorbing spring (73). 8. A miniaturized 5G base station antenna according to claim 7, characterized in that: the lower surface of the heat dissipation base (1) is provided with a shock-absorbing hole (8), and the upper shock-absorbing sheet (71) passes through The bolts are fixedly installed on the lower surface of the heat dissipation base (1), and the shock-absorbing rod (74) is slidably inserted into the shock-absorbing hole (8). 9. A miniaturized 5G base station antenna according to claim 2, characterized in that: the inner top wall of the heat dissipation base (1) is provided with a base station circuit board (9), and the base station circuit board (9) is connected to the base station circuit board (9). The servo motor (22) is electrically connected to the antenna body (11), and a radiator (91) is provided on the lower surface of the base station circuit board (9).

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