Base station antenna

Abstract

The utility model provides a base station antenna, comprising a cover, an antenna body, a choke, a base and a hollow supporting column; the lower end of the supporting column is fixed on the base, the inner side of the lower part of the supporting column forms an installation cavity for installing a controller, the side wall of the lower part of the supporting column is provided with an inspection port connected with the installation cavity, a door is provided at the inspection port, the choke is fixed on the upper end of the supporting column, the antenna body is fixed at the middle part of the upper end of the choke, the cover is arranged on the choke from top to bottom and is fixed with the choke, and the antenna body is electrically connected with the controller located in the installation cavity through a connecting wire; after adopting this structure, the utility model can integrate the antenna body and the controller under the action of the choke, the cover, the base and the supporting column, and the base station antenna can be directly installed outdoors for centralized data collection and transmission and reception, thereby having the advantages of high integration and good integrity.

Description

Technical Field

[0001] The utility model relates to the technical field of data transceiver base stations, in particular to a reference station antenna. Background Art

[0002] Beidou Satellite Navigation System is a satellite navigation system independently developed by my country with independent intellectual property rights. It has the advantages of being less affected by external conditions such as day and night, seasons, and meteorological conditions, high navigation positioning accuracy, fast positioning speed, and high reliability. The accuracy of general civil satellite navigation systems can reach meter level. With the development and progress of radio technology, high-precision satellite positioning systems have gradually been widely used, such as highway and railway surveying, base stations of ground augmentation systems, and geodetic surveying. Its accuracy can reach millimeter level. Antennas, as key equipment of high-precision satellite navigation systems, play a vital role in improving the accuracy of the system.

[0003] Currently, the antennas on the market for centralized data collection and transmission and reception mainly include a controller and an antenna body. The antenna body is fixed outdoors, and the controller is installed in the computer room. That is, the antennas on the market are discrete structures, which have the disadvantages of low integration and poor integrity. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a reference station antenna, which can be directly installed outdoors for centralized data collection and transmission and reception, thereby having the advantages of high integration and good integrity.

[0005] The utility model provides a base station antenna, comprising a cover shell, an antenna body, a choke, a base and a hollow supporting column; the lower end of the supporting column is fixed on the base, the inner side of the lower part of the supporting column forms an installation cavity for installing a controller, the side wall of the lower part of the supporting column is provided with an inspection port connected to the installation cavity, a door body is provided at the inspection port, the choke is fixed to the upper end of the supporting column, the antenna body is fixed to the middle part of the upper end of the choke, the cover shell is arranged on the choke from top to bottom and is fixed to the choke, and the antenna body is electrically connected to the controller located in the installation cavity through a connecting wire.

[0006] After adopting this structure, the utility model can integrate the antenna body and the controller under the action of the choke, the cover, the base and the supporting column. The base station antenna can be directly installed outdoors for centralized data collection and transmission and reception, thereby having the advantages of high integration and good integrity.

[0007] In a possible embodiment, a first wire hole is provided at the bottom of the choke, a second wire hole is provided on the side wall of the upper part of the support column, a connecting wire is passed through the first wire hole and the second wire hole, and sealant is filled between the outer side wall of the connecting wire and the hole wall of the first wire hole and between the outer side wall of the connecting wire and the hole wall of the second wire hole; by adopting this structure, the connecting wire can be reliably passed through the choke and the support column, and the antenna body can be reliably electrically connected to the controller located in the installation cavity through the connecting wire; in addition, under the action of the sealant, water vapor can be prevented from entering the cavity formed by the cover and the choke through the gap between the connecting wire and the first wire hole, and rainwater can be prevented from entering the support column through the gap between the connecting wire and the second wire hole.

[0008] In one possible embodiment, an annular step is formed at the outer edge of the choke, the lower end of the cover shell is supported on the annular step, and the cover shell is fixed to the choke by a plurality of screws distributed at circumferential intervals, and the screw portion of each screw is penetrated through the side wall of the lower end of the cover shell along the radial direction of the cover shell and is threadedly connected to the choke; by adopting this structure, the cover shell can be reliably supported on the choke, and the cover shell can be reliably fixed to the choke.

[0009] In a possible implementation, a nut is embedded in the middle of the lower end of the choke, the nut is fixed to the choke, and a screw is provided at the upper end of the support column, which is threadedly connected to the nut; by adopting this structure, the choke can be reliably and conveniently fixed to the upper end of the support column.

[0010] In a possible implementation, one side of the door body is rotatably connected to the support column on one side of the inspection port by two hinges spaced apart vertically, and the other side of the door body is locked to the support column on the other side of the inspection port by a lock body; by adopting this structure, when the lock body releases the locking state of the door body and the support column, the door body can be rotated and opened relative to the support column, that is, the closed state of the inspection port can be released. At this time, the staff can realize the maintenance of the controller located in the installation cavity, and when the door body is closed to the inspection port, the door body and the support column can be locked by the lock body.

[0011] In a possible embodiment, a plurality of reinforcing ribs spaced circumferentially are provided at the connection between the lower end of the support column and the base, and each reinforcing rib is welded and fixed to the outer wall of the support column and the upper end surface of the base; by adopting this structure, the structural strength between the support column and the base can be improved under the action of the reinforcing ribs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2It is a cross-sectional structural schematic diagram of the utility model;

[0014] Figure 3 for Figure 2 The schematic diagram of the structure after the enlargement of A in the middle;

[0015] Figure 4 It is a schematic diagram of a partially exploded three-dimensional structure of the utility model. DETAILED DESCRIPTION

[0016] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0017] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0018] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0019] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] See also Figure 1-4As shown, the embodiment of the present application discloses a reference station antenna, including a cover 1, an antenna body 2, a choke 3, a base 4 and a hollow support column 5; the lower end of the support column 5 is fixed on the base 4, and the inner side of the lower part of the support column 5 forms an installation cavity 51 for installing a controller, and the side wall of the lower part of the support column 5 is provided with an inspection port 52 connected to the installation cavity 51, and a door body 6 is provided at the inspection port 52, the choke 3 is fixed to the upper end of the support column 5, the antenna body 2 is fixed to the middle part of the upper end of the choke 3, the cover 1 is covered on the choke 3 from top to bottom and fixed to the choke 3, and the antenna body 2 is electrically connected to the controller located in the installation cavity 51 through a connecting wire 7; the above-mentioned choke is the existing technology currently on the market, for example, a low-cost reference station antenna choke disclosed in Chinese Patent Publication No.: CN217281188U, so it will not be repeated here.

[0021] A first wire hole 31 is provided at the bottom of the choke 3, a second wire hole 53 is provided on the side wall of the upper part of the support column 5, a connecting wire 7 is passed through the first wire hole 31 and the second wire hole 53, and a sealant 8 is filled between the outer wall of the connecting wire 7 and the hole wall of the first wire hole 31 and the hole wall of the second wire hole 53; by adopting this structure, the connecting wire can be reliably passed through the choke and the support column, and the antenna body can be reliably electrically connected to the controller located in the installation cavity through the connecting wire; in addition, under the action of the sealant, water vapor can be prevented from entering the cavity formed by the cover and the choke through the gap between the connecting wire and the first wire hole, and rainwater can be prevented from entering the support column through the gap between the connecting wire and the second wire hole.

[0022] An annular step 32 is formed at the outer edge of the choke 3, and the lower end of the cover 1 is supported on the annular step 32. The cover 1 is fixed to the choke 3 by a plurality of screws distributed at circumferential intervals, and the screw portion of each screw is penetrated through the side wall of the lower end of the cover 1 along the radial direction of the cover 1 and is threadedly connected to the choke 3. By adopting this structure, the cover can be reliably supported on the choke, and the cover can be reliably fixed to the choke.

[0023] A nut 33 is embedded in the middle of the lower end of the choke 3, and the nut 33 is fixed to the choke 3. A screw 54 is provided at the upper end of the support column 5, and the screw 54 is threadedly connected to the nut 33. By adopting this structure, the choke can be reliably and conveniently fixed to the upper end of the support column.

[0024] One side of the door body 6 is rotatably connected to the support column 5 on one side of the inspection port 52 through two hinges 61 distributed at an interval up and down, and the other side of the door body 6 is locked with the support column 5 on the other side of the inspection port 52 through a lock body 62; after adopting this structure, when the lock body releases the locking state of the door body and the support column, the door body can be rotated and opened relative to the support column, that is, the closed state of the inspection port can be released. At this time, the staff can realize the maintenance of the controller located in the installation cavity, and when the door body is closed to the inspection port, the door body and the support column can be locked by the lock body.

[0025] A plurality of reinforcing ribs 9 are provided at the connection between the lower end of the support column 5 and the base 4 and are distributed at circumferential intervals. Each reinforcing rib 9 is welded and fixed to the outer wall of the support column 5 and the upper end surface of the base 4. By adopting this structure, the structural strength between the support column and the base can be improved under the action of the reinforcing ribs.

[0026] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A reference station antenna, characterized in that: The invention comprises a cover (1), an antenna body (2), a choke (3), a base (4) and a hollow support column (5); the lower end of the support column (5) is fixed on the base (4); the inner side of the lower part of the support column (5) forms an installation cavity (51) for installing a controller; the side wall of the lower part of the support column (5) is provided with an inspection port (52) connected to the installation cavity (51); the inspection port (52) is provided with a door (6); the choke (3) is fixed to the upper end of the support column (5); the antenna body (2) is fixed to the middle part of the upper end of the choke (3); the cover (1) is arranged on the choke (3) from top to bottom and is fixed to the choke (3); the antenna body (2) is electrically connected to the controller located in the installation cavity (51) through a connecting wire (7).

2. The reference station antenna according to claim 1, characterized in that: The bottom of the choke (3) is provided with a first wire hole (31), the side wall of the upper part of the support column (5) is provided with a second wire hole (53), the connecting wire (7) is inserted into the first wire hole (31) and the second wire hole (53), and the outer wall of the connecting wire (7) and the hole wall of the first wire hole (31) and the hole wall of the second wire hole (53) are filled with sealant (8).

3. The reference station antenna according to claim 1 or 2, characterized in that: An annular step (32) is formed at the outer edge of the choke (3), and the lower end of the cover (1) is supported on the annular step (32). The cover (1) is fixed to the choke (3) by a plurality of screws distributed at circumferential intervals, and the screw portion of each screw is penetrated through the side wall of the lower end of the cover (1) along the radial direction of the cover (1) and is threadedly connected to the choke (3).

4. The reference station antenna according to claim 1 or 2, characterized in that: A nut (33) is embedded in the middle of the lower end of the choke (3), and the nut (33) is fixed to the choke (3). A screw rod (54) is provided at the upper end of the support column (5), and the screw rod (54) is threadedly connected to the nut (33).

5. The reference station antenna according to claim 1 or 2, characterized in that: One side of the door body (6) is rotatably connected to the support column (5) on one side of the inspection opening (52) via two hinges (61) spaced apart from each other, and the other side of the door body (6) is locked to the support column (5) on the other side of the inspection opening (52) via a lock body (62).

6. The reference station antenna according to claim 1 or 2, characterized in that: A plurality of reinforcing ribs (9) spaced apart in the circumferential direction are provided at the connection between the lower end of the support column (5) and the base (4), and each of the reinforcing ribs (9) is welded and fixed to the outer side wall of the support column (5) and the upper end surface of the base (4).

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