External antenna device of ring main unit

Abstract

An external antenna device of a ring main unit comprises an antenna, an antenna box assembly, an outer box body and a power distribution terminal unit, the outer box body is arranged above the power distribution terminal unit, the antenna box assembly is fixed on the side face of the outer box body, the antenna box assembly comprises a box seat, the antenna is installed in the box seat, and the power distribution terminal unit is arranged in the box seat. A first wire passing hole is formed in the bottom of the box base, a second wire passing hole is formed in the outer box body, the first wire passing hole and the second wire passing hole are connected through a signal wire, and the part, between the first wire passing hole and the second wire passing hole, of the signal wire is in a U shape. The antenna is arranged in the antenna box, so that the antenna is effectively prevented from rusting, and equipment damage caused by rainwater permeating into the DTU is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ring network cabinets, in particular to an external antenna device for a ring network box. Background Art

[0002] At present, outdoor ring network boxes are widely used. Generally speaking, this type of outdoor ring network box does not require a separate distribution room and is placed in an open field.

[0003] However, in the face of the ever-changing technology, the on-site ring network box will constantly communicate with the control center during operation, so that the control center can monitor and control remotely at any time. Therefore, the distribution terminal unit (DTU) in the ring network box is currently equipped with an antenna. Most manufacturers basically place the antenna in the DTU communication room. This practice has a great shielding effect on the antenna's signal reception and transmission, and the signal is extremely unstable. Some manufacturers also place the antenna outside the DTU, inside the outer box. Although this method will be better than the method of DTU built-in antenna, the signal is also unstable. Some manufacturers directly place the antenna on the top of the outer box. In this way, the antenna's signal reception and transmission are relatively stable, but in windy and rainy weather, the antenna will fall off and be damaged, resulting in the ring network box and the main station being unable to communicate. In addition, since the antenna is fixed by a suction cup, if it is placed on the top of the box, it is necessary to design an iron plate on the top of the box, which is not conducive to the rust-proof conditions of the ring network box when used outdoors. In addition, since the antenna is placed on the top of the box, the position is too high, causing rainwater to flow into the box along the signal line between the antenna and the DTU, thereby damaging the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide an external antenna device for a ring network box to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An external antenna device of a ring network box comprises an antenna, an antenna box assembly, an outer box body and a power distribution terminal unit, wherein the outer box body is arranged above the power distribution terminal unit, the antenna box assembly is fixed on the side of the outer box body, the antenna box assembly comprises a box seat, the antenna is installed in the box seat, a first wire passing hole is formed at the bottom of the box seat, a second wire passing hole is formed on the outer box body, the first wire passing hole and the second wire passing hole are connected by a signal line, and the portion of the signal line between the first wire passing hole and the second wire passing hole is U-shaped.

[0007] In a possible implementation manner, a bracket and a connector are provided between the box seat and the outer box body, the bracket is fixed to the outer box body by fastening screws, and the box seat is connected to the bracket by the connector.

[0008] In a possible implementation, the antenna includes a receiving part and a base, the receiving part is fixed on the base, the base is magnetically attracted in the box seat, and the input end of the signal line is connected to the base.

[0009] In a possible implementation, the antenna box assembly further includes a box cover, the box cover is detachably connected to the box seat, a placement hole is formed on the box cover, and the antenna passes through the placement hole.

[0010] In a possible implementation manner, the connecting member is S-shaped, and the bracket is located below the box seat.

[0011] In a possible implementation manner, the output end of the signal line is connected to the power distribution terminal unit, and the second wire hole is arranged above the output end.

[0012] In a possible implementation manner, the power distribution terminal unit is adjacent to the ring main unit, and the outer box is arranged above the ring main unit.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. Placing the antenna in the antenna box effectively avoids rusting of the antenna and damage to the DTU caused by rainwater seeping into it;

[0015] 2. By placing the antenna box on the side of the outer box, the antenna signal is ensured to be stable while avoiding the antenna from falling off due to wind and rain. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0018] Figure 3 for Figure 2 A schematic diagram of the structure of the antenna box assembly;

[0019] Figure 4 for Figure 2 Top view of the antenna box assembly.

[0020] In the figure: 10, antenna box assembly, 20, antenna, 30, outer box, 40, ring network cabinet, 50, distribution terminal unit, 60, signal line, 11, box cover, 12, box seat, 13, bracket, 14, connector, 15, first wire hole, 16, placement hole, 21, receiving part, 22, base, 31, second wire hole. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0022] like Figure 1-4 As shown, an external antenna device of a ring network box includes an antenna 20, an antenna box assembly 10, an outer box body 30 and a distribution terminal unit 50, wherein the outer box body 30 is arranged above the distribution terminal unit 50, and the antenna box assembly 10 is fixed on the side of the outer box body 30, and the antenna box assembly 10 includes a box seat 12, and the antenna 20 is installed in the box seat 12. A first wire passing hole 15 is opened at the bottom of the box seat 12, and a second wire passing hole 31 is opened on the outer box body 30. The first wire passing hole 15 and the second wire passing hole 31 are connected by a signal line 60, and the signal line 60 is U-shaped in the part between the first wire passing hole 15 and the second wire passing hole 31.

[0023] Among them, an iron plate is provided in the box seat 12, and the antenna 20 can be fixed in the box seat 12 by magnetic attraction. Specifically, the antenna 20 includes a receiving part 21 and a base 22, the receiving part 21 is fixed on the base 22, and the base 22 is magnetically attracted to the box seat 12. The receiving part 21 is used to receive signals, and it extends out of the box seat 12 and its length can be adjusted according to different working conditions.

[0024] Since the position of the wire hole where the signal line 60 enters the outer box 30 is lower than the opening position, rainwater will not enter the box along the signal line 60, and the protection level of the outer box 30 meets the requirements for outdoor use. Placing the antenna box assembly 10 on the side of the outer box 30 instead of on the top of the outer box 30 can effectively reduce the impact of wind on the stability of the antenna.

[0025] Furthermore, a bracket 13 and a connector 14 are provided between the box seat 12 and the outer box body 30, the bracket 13 is fixed to the outer box body 30 by fastening screws, and the box seat 12 is connected to the bracket 13 by the connector 14. The connector 14 is S-shaped, and the bracket 13 is located below the box seat 12. The S-shaped connector 14 can stagger the bracket 13 and the box seat 12 by a certain height, which is convenient for the installation of the box seat 12, and can effectively act as a buffer when it is windy, avoiding direct collision between the box seat 12 and the outer box body 30, thereby improving the stability of the antenna.

[0026] In the present application, the signal line 60 includes an input end and an output end, the input end is connected to the base 22, and the output end is connected to the power distribution terminal unit 50. The second wire hole 31 is provided above the output end.

[0027] In order to further protect the antenna, the antenna box assembly 10 further includes a box cover 11 , which is detachably connected to the box seat 12 . A placement hole 16 is formed on the box cover 11 , and the antenna 20 passes through the placement hole 16 .

[0028] In the present application, the power distribution terminal unit 50 is also adjacent to the ring main unit 40, and the outer box 30 is arranged above the ring main unit.

[0029] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", "left and right", "front and back", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0031] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An external antenna device for a ring network box, characterized in that: The invention comprises an antenna (20), an antenna box assembly (10), an outer box body (30) and a power distribution terminal unit (50), wherein the outer box body (30) is arranged above the power distribution terminal unit (50), the antenna box assembly (10) is fixed on the side of the outer box body (30), the antenna box assembly (10) comprises a box seat (12), the antenna (20) is installed in the box seat (12), a first wire passing hole (15) is provided at the bottom of the box seat (12), a second wire passing hole (31) is provided on the outer box body (30), the first wire passing hole (15) and the second wire passing hole (31) are connected via a signal line (60), and the signal line (60) is U-shaped at the part between the first wire passing hole (15) and the second wire passing hole (31).

2. The external antenna device of the ring network box according to claim 1, characterized in that: A bracket (13) and a connecting piece (14) are provided between the box seat (12) and the outer box body (30); the bracket (13) is fixed to the outer box body (30) by means of fastening screws, and the box seat (12) is connected to the bracket (13) by means of the connecting piece (14).

3. The external antenna device of the ring network box according to claim 1, characterized in that: The antenna (20) comprises a receiving part (21) and a base (22), the receiving part (21) is fixed on the base (22), the base (22) is magnetically attracted in the box seat (12), and the input end of the signal line (60) is connected to the base (22).

4. The external antenna device of the ring network box according to claim 1, characterized in that: The antenna box assembly (10) further comprises a box cover (11), wherein the box cover (11) is detachably connected to the box seat (12), and a placement hole (16) is formed on the box cover (11), and the antenna (20) passes through the placement hole (16).

5. The external antenna device of the ring network box according to claim 2, characterized in that: The connecting piece (14) is S-shaped, and the bracket (13) is located below the box seat (12).

6. The external antenna device of the ring network box according to claim 1, characterized in that: The output end of the signal line (60) is connected to the power distribution terminal unit (50), and the second wire hole (31) is arranged above the output end.

7. The external antenna device of the ring network box according to claim 1, characterized in that: The power distribution terminal unit (50) is adjacent to the ring main unit (40), and the outer box (30) is arranged above the ring main unit (40).

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