Ventilation and drainage device for 5g tower

Abstract

The utility model relates to the field of 5g communication, and particularly discloses a ventilation and drainage device for a 5g tower, which is mounted outside a tower body of the 5g tower and is characterized by comprising a shell and an impeller rotatably mounted in the shell, the shell is provided with an air inlet and an air outlet, the air inlet is used for being connected with the tower body of the 5g tower, a rotating shaft synchronously rotating with the impeller is mounted on the impeller, and the rotating shaft is connected with the fan. One end, extending out of the air outlet, of the rotating shaft is provided with a pneumatic blade; the impeller is provided with a fixing shaft rotationally connected with the shell, and a one-way bearing is arranged between the fixing shaft and the shell so that the pneumatic blades can only rotate in one direction.

Description

Technical Field

[0001] This application relates to the field of 5G communication, and particularly to a ventilation and drainage device for a 5G tower. Background Art

[0002] A 5G communication tower is one of the core devices of a 5G network, which is used to provide wireless coverage and realize the wireless signal transmission between a wired communication network and a wireless terminal.

[0003] A 5G communication tower mainly consists of two parts: a baseband processing unit (BBU) and an active antenna unit (AAU). The BBU is installed in a machine room under or near the tower and is responsible for processing baseband digital signals; the AAU is installed on the iron tower and is responsible for converting the baseband signal into a radio frequency signal and transmitting it, and at the same time receiving the radio frequency signal from the wireless terminal and converting it into a baseband signal for transmission to the BBU.

[0004] The existing tower body has openings on the side wall at the bottom, so that air can enter and flow out from the top of the tower body, thereby reducing the temperature of the tower body and reducing the heat transferred from the tower body itself to the AAU. However, due to the slow air flow speed at the bottom, the heat dissipation effect is not good. Summary of the Utility Model

[0005] In order to improve the problem of heat dissipation of the tower body, this application provides a ventilation and drainage device for a 5G tower.

[0006] The ventilation and drainage device for a 5G tower provided by this application adopts the following technical solution: A ventilation and drainage device for a 5G tower is installed outside the tower body of the 5G tower, and includes a housing and an impeller rotatably installed in the housing. The housing has an air inlet and an air outlet. The air inlet is used to connect to the tower body of the 5G tower. A rotating shaft synchronized with the impeller is installed on the impeller, and the rotating shaft extends out of the air outlet. A wind-driven blade is installed at one end of the rotating shaft extending out of the air outlet. The impeller has a fixed shaft rotatably connected to the housing, and a one-way bearing is provided between the fixed shaft and the housing so that the wind-driven blade can only rotate in one direction.

[0007] By adopting the above technical solution, during use, the ventilation and drainage device is installed at a high position on the tower body. By setting the one-way bearing, the wind-driven blade can only drive the rotating shaft to rotate in one direction, that is, the impeller can only rotate in one direction (forward rotation), so that the wind can only enter from the bottom of the tower body and flow out through the drainage device; reverse rotation will cause external air to enter from the top of the tower body, resulting in a collision with the air entering from the bottom of the tower body, reducing the wind speed inside the tower body and affecting the heat dissipation efficiency.

[0008] Optionally, the impeller includes a chassis, blades and an upper ring. The two ends of the blades are respectively connected to the chassis and the upper ring. The fixed shaft is fixedly connected to the chassis. A raised mounting portion is formed on the chassis. One end of the rotating shaft located inside the housing is fixed with a mounting disc. A first bolt is provided on the mounting disc. The first bolt passes through the mounting disc and is threadedly connected to the mounting portion.

[0009] By adopting the above technical solution, the connection between the mounting disc and the mounting portion is realized through the first bolt, so that the rotating shaft and the impeller rotate synchronously.

[0010] Optionally, a positioning groove is formed on the mounting portion. A positioning portion corresponding to the positioning groove is formed at the end of the rotating shaft. And the positioning groove is a non-circular groove structure.

[0011] By adopting the above technical solution, the arrangement of the positioning groove and the positioning portion facilitates the rapid fixing of the rotating shaft, and the non-circular groove structure makes the two not rotate relative to each other, reducing the shear force on the first bolt.

[0012] Optionally, a groove is formed on the outside of the chassis corresponding to the mounting portion. A connecting disc is fixed on the fixed shaft. A second bolt is provided on the mounting portion. The second bolt passes through the mounting portion and is threadedly connected to the connecting disc.

[0013] By adopting the above technical solution, the connection between the connecting disc and the mounting portion through the second bolt realizes the fixing shaft and the housing.

[0014] Optionally, the mounting disc presses on the second bolt.

[0015] By adopting the above technical solution, the mounting disc pressing on the second bolt can make the connection between the fixed shaft and the impeller more reliable.

[0016] Optionally, an installation frame is fixed at the air outlet of the housing. A bearing is fixed at the center of the air outlet of the installation frame. The rotating shaft passes through the inner ring of the bearing and is in interference fit with the inner ring of the bearing.

[0017] By adopting the above technical solution, the two ends of the overall shaft formed by the bearing and the one-way bearing rotating shaft and the fixed shaft are supported. The overall shaft is not easy to shake and has a long service life.

[0018] Optionally, the installation frame includes a plurality of connecting rods arranged along the circumferential direction of the bearing. A connecting ear is fixed on the outer ring of the bearing. One end of the connecting rod is hinged on the connecting ear, and the other end is installed on the housing through a third bolt; when the third bolt is separated from the housing, the connecting rod can rotate to be close to the rotating shaft.

[0019] By adopting the above technical solution, the bearing can be quickly fixed through the connecting rod and the third bolt, realizing the rapid installation of the rotating shaft. And in the transportation state, the connecting rod can rotate to be close to the rotating shaft, and the transportation volume is small.

[0020] Optionally, one end face of the connecting rod close to the air outlet is a diversion inclined plane structure.

[0021] By adopting the above technical solution, since the setting of the connecting rod will block the outflow of air in the tower body, a diversion inclined plane is provided to reduce air resistance.

[0022] Optionally, a motor is further connected to the housing, and the motor is connected to the fixed shaft through a coupling.

[0023] By adopting the above technical solution, the motor can be used as an alternative. When the external air cannot drive the wind impeller or the rotational speed of the wind impeller is low and the heat dissipation target cannot be achieved, the motor can be started, and the overall working of the drainage device is more reliable.

[0024] Optionally, a connection structure is fixed on the outer shell of the motor. The connection structure includes a connection sleeve sleeved on the outer shell of the motor and a connection piece fixed on the connection sleeve. A through hole is provided on the connection piece.

[0025] By adopting the above technical solution, the motor is installed by correspondingly arranging connection pieces on the tower body, passing bolts through the connection pieces on the connection sleeve and the connection pieces on the tower body and connecting nuts.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. Through the one-way bearing, the impeller can only rotate in one direction, which will not affect the heat dissipation efficiency;

[0028] 2. By setting the motor, the stable operation of the drainage device can be ensured;

[0029] 3. The drainage device is convenient to install and has a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is the overall structural schematic diagram of the embodiment of the present application;

[0031] Figure 2 is Figure 1 the schematic diagram after hiding the housing

[0032] Figure 3 is the structural diagram of the connection sleeve and the connection piece;

[0033] Figure 4 is the structural diagram of the clamp;

[0034] Figure 5 is the connection schematic diagram of the rotating shaft and the chassis

[0035] Figure 6 is the position schematic diagram of the connection disk;

[0036] Figure 7 It is a connection diagram of the rotating shaft and the chassis.

[0037] Reference numerals in the drawings: 1, housing; 11, air inlet; 12, air outlet; 13, first flange; 2, impeller; 21, chassis; 211, mounting part; 212, groove; 213, positioning groove; 22, blade; 23, upper ring; 3, rotating shaft; 31, positioning part; 32, mounting disc; 41, pneumatic blade; 42, connecting rod; 5, fixed shaft; 51, connecting disc; 61, first bolt; 62, second bolt; 63, third bolt; 71, bearing; 72, connecting rod; 73, connecting ear; 8, motor; 81, connecting sleeve; 82, connecting piece; 83, expansion joint; 9, clamp. Detailed implementation manners

[0038] The following further describes the present application in detail in conjunction with the attached Figure 1-7 drawings.

[0039] The embodiment of the present application discloses a ventilation and drainage device for a 5G tower.

[0040] Embodiment 1: A ventilation and drainage device for a 5G tower, which is installed outside the tower body of the 5G tower, includes a housing 1 and an impeller 2 rotatably installed in the housing 1. The housing 1 has an air inlet 11 and an air outlet 12, and the axes of the air inlet 11 and the air outlet 12 are perpendicular to each other. The air inlet 11 is used to connect the tower body of the 5G tower, and the tower body is provided with an opening corresponding to the air inlet 11. The air inlet 11 is provided with a first flange 13, and through holes are opened on the first flange 13. The tower body correspondingly has a second flange (with through holes), and bolts pass through the through holes on the first flange 13 and the second flange to connect nuts. In order to improve the sealing performance, a sealing ring can be provided between the first flange 13 and the second flange. In order to facilitate the installation of the impeller 2, the housing 1 is composed of two spliced structures and is assembled by long screws.

[0041] A rotating shaft 3 that rotates synchronously with the impeller 2 is installed on the impeller 2, and the rotating shaft 3 extends outside the air outlet 12. A pneumatic blade 41 is installed at one end of the rotating shaft 3 extending outside the air outlet 12; specifically, a connecting rod 42 is fixed at the end of the rotating shaft 3, the connecting rod 42 is perpendicular to the rotating shaft 3, and the pneumatic blade 41 is fixed on the connecting rod 42.

[0042] The impeller 2 has a fixed shaft 5 rotatably connected to the housing 1. A one-way bearing is provided between the fixed shaft 5 and the housing 1 so that the pneumatic blade 41 can only rotate in one direction (the outer ring of the one-way bearing is in interference fit with the inner circular hole on the housing 1, and the inner ring of the one-way bearing is in interference fit with the fixed shaft 5). Specifically, the impeller 2 includes a chassis 21, blades 22 and an upper ring 23. The two ends of the blade 22 are respectively fixedly connected to the chassis 21 and the upper ring 23. Among them, the upper ring 23 is close to the air outlet 12. A raised mounting portion 211 is formed on the chassis 21, and a groove 212 is formed at the position of the chassis 21 corresponding to the mounting portion 211. A connection disk 51 is fixed on the fixed shaft 5. A second bolt 62 is provided on the mounting portion 211, and the second bolt 62 passes through the mounting portion 211 and is threadedly connected to the connection disk 51.

[0043] One end of the rotating shaft 3 located inside the housing 1 is fixed with a mounting disk 32. A positioning groove 213 is opened on the mounting portion 211. A positioning portion 31 corresponding to the positioning groove 213 is formed at the end of the rotating shaft 3. And the positioning groove 213 is a non-circular groove structure, specifically a regular hexagon groove structure. When the positioning portion 31 is inserted into the positioning groove 213, the mounting disk 32 presses on the second bolt 62, and the first bolt 61 passes through the mounting disk 32 and is threadedly connected to the mounting portion 211. The first bolt 61 and the second bolt 62 are arranged staggeredly along the circumferential direction.

[0044] The housing 1 is fixed with a mounting frame at the air outlet 12. A bearing 71 is fixed at the center of the air outlet 12 of the mounting frame. The rotating shaft 3 passes through the inner ring of the bearing 71 and is in interference fit with the inner ring of the bearing 71. Specifically, the mounting frame includes a plurality of connecting rods 72 arranged along the circumferential direction of the bearing 71. A connecting ear 73 is fixed on the outer ring of the bearing 71. One end of the connecting rod 72 is hinged on the connecting ear 73, and the other end is installed on the housing 1 through a third bolt 63; when the third bolt 63 is separated from the housing 1, the connecting rod 72 can be rotated to be close to the rotating shaft 3 and tied with a cable tie for convenient transportation.

[0045] In order to reduce the influence of the connecting rod 72 on the air outlet, the end face of the connecting rod 72 close to the air outlet 12 (that is, the end face of the connecting rod 72 close to the chassis 21) is a flow guiding inclined surface structure, specifically a V-shaped inclined surface structure.

[0046] Embodiment 2: The housing 1 is further connected with a motor 8, and the motor 8 is connected to the fixed shaft 5 through a coupling, so that the motor 8 drives the fixed shaft 5 to rotate.

[0047] Although the housing 1 is already connected to the tower body through the first flange plate 13, due to the relatively large weight of the motor 8, an additional connecting structure needs to be provided on the motor 8. The connecting structure includes a connecting sleeve 81 sleeved on the outer shell of the motor 8 and a connecting piece 82 fixed on the connecting sleeve 81. A through hole is provided on the connecting piece 81. One way of connecting the connecting sleeve 81 is to directly weld it to the outer shell of the motor 8. Of course, considering the replacement of the motor 8 after it is damaged in the later stage, in this embodiment, a telescopic joint 83 is provided on the connecting sleeve 81. The telescopic joint 83 penetrates through both ends of the connecting sleeve 81 along the axial direction. A clamp 9 is sleeved outside the connecting sleeve 81, and the connecting sleeve 81 is tightened by the clamp 9 (the telescopic joint 83 becomes smaller after being tightened). Of course, a corresponding connecting piece 82 is also fixed on the tower body. Bolts pass through the connecting piece 82 on the connecting sleeve 81 and the connecting piece 82 on the tower body and are connected with nuts to fix the motor 8.

[0048] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, as well as a specific orientation structure and operation. Therefore, it should not be construed as a limitation to the present invention. In addition, "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0049] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0050] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. All equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, are equally included in the patent protection scope of the present invention.

Claims

1. A ventilation and drainage device for a 5g tower, installed outside the tower body of the 5g tower, characterized in that: It includes a shell and an impeller rotatably installed in the shell, the shell has an air inlet and an air outlet, the air inlet is used to connect to the tower body of the 5g tower, the impeller is equipped with a rotating shaft that rotates synchronously with the impeller, and the rotating shaft extends out of the air outlet, and a wind blade is installed on the end of the rotating shaft extending out of the air outlet; the impeller has a fixed shaft rotatably connected to the shell, and a one-way bearing is arranged between the fixed shaft and the shell so that the wind blade can only rotate in one direction.

2. The ventilation and drainage device for a 5g tower according to claim 1, characterized in that: The impeller includes a chassis, blades and an upper ring, the two ends of the blades are respectively connected to the chassis and the upper ring, the fixed shaft is fixedly connected to the chassis, a raised mounting portion is formed on the chassis, a mounting plate is fixed to one end of the rotating shaft located in the shell, a first bolt is arranged on the mounting plate, and the first bolt passes through the mounting plate and is threadedly connected to the mounting portion.

3. The ventilation and drainage device for a 5g tower according to claim 2, characterized in that: A positioning groove is formed on the mounting portion, and a positioning portion corresponding to the positioning groove is formed on the end of the rotating shaft, and the positioning groove is a non-circular groove structure.

4. The ventilation and drainage device for a 5g tower according to claim 2, characterized in that: A groove is formed on the outside of the chassis at a position corresponding to the mounting portion, a connecting plate is fixed on the fixed shaft, a second bolt is arranged on the mounting portion, and the second bolt passes through the mounting portion and is threadedly connected to the connecting plate.

5. The ventilation and drainage device for a 5g tower according to claim 4, characterized in that: The mounting plate is pressed onto the second bolt.

6. The ventilation and drainage device for a 5g tower according to claim 1, characterized in that: The shell is fixed with a mounting frame at the air outlet, the mounting frame is fixed with a bearing at the center of the air outlet, and the rotating shaft passes through the inner ring of the bearing and is interference fit with the inner ring of the bearing.

7. The ventilation and drainage device for a 5g tower according to claim 6, characterized in that: The mounting frame includes a plurality of connecting rods arranged along the circumferential direction of the bearing, a connecting ear is fixed to the outer ring of the bearing, one end of the connecting rod is hinged on the connecting ear, and the other end is mounted on the housing through a third bolt; when the third bolt is separated from the housing, the connecting rod can be rotated to be close to the rotating shaft.

8. The ventilation and drainage device for a 5g tower according to claim 7, characterized in that: One end surface of the connecting rod close to the air outlet is a guide slope structure.

9. The ventilation and drainage device for a 5g tower according to claim 1, characterized in that: The housing is also connected to a motor, which is connected to the fixed shaft via a coupling.

10. The ventilation and drainage device for a 5g tower according to claim 9, characterized in that: A connecting structure is fixed on the shell of the motor. The connecting structure comprises a connecting sleeve sleeved on the shell of the motor and a connecting sheet fixed on the connecting sleeve. A through hole is formed on the connecting sheet.

Images