CN216529356U

CN216529356U - RET module structure

Info

Publication number: CN216529356U
Application number: CN202123443712.5U
Authority: CN
Inventors: 邹伟
Original assignee: Joint Effort Technology Corp
Current assignee: Joint Effort Technology Corp
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-13
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an RET module structure, which comprises a front cover, a middle shell and a rear cover which are sequentially connected, wherein the front cover, the middle shell and the rear cover form a cavity for mounting electronic components; a second insulation structure is arranged between the rear cover and the middle shell to block the electrical connection between the rear cover and the middle shell; the RET module structure provided by the utility model can effectively reduce the influence of stray signals on the antenna, and the first insulation structure is arranged between the front cover and the middle shell, and the second insulation structure is arranged between the rear cover and the middle shell, so that the front cover, the middle shell and the rear cover are not electrically connected, and the influence of the stray signals on the antenna is reduced.

Description

RET module structure

Technical Field

The utility model relates to the technical field of base station antennas, in particular to an RET module structure.

Background

In mobile communication technology, Passive Intermodulation (PIM) is an intermodulation distortion that occurs in passive devices, such as filters, combiners, surge protectors, cables, connectors, RET modules, and the like. These devices are generally considered to be linear, but when excited by high power signals, such devices generate spurious signals, which affect the network performance of the antenna to some extent, and passive intermodulation is a very important criterion for the base station antenna.

RET (remote control unit for mobile communication base station) is an important component in the base station antenna, by which the antenna needs to drive the transmission mechanism for the purpose of adjusting the radiation angle. The RET module contains various devices such as a PCBA (printed circuit board assembly) and a motor and needs to be electrified for use, so that the reduction of the stray signals in the RET is of great importance to the passive intermodulation index of the antenna.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: provided is a RET module structure capable of reducing spurious signals.

In order to solve the technical problems, the utility model adopts the technical scheme that: a RET module structure comprises a front cover, a middle shell and a rear cover which are sequentially connected, wherein the front cover, the middle shell and the rear cover form a cavity for mounting electronic components; and a second insulating structure is arranged between the rear cover and the middle shell to block the electric connection between the rear cover and the middle shell.

Furthermore, the first insulating structure comprises a first insulating layer arranged on the front cover and a second insulating layer arranged on the middle shell, and the first insulating layer is in contact with the second insulating layer.

Furthermore, the second insulating structure comprises a third insulating layer arranged on the rear cover and a fourth insulating layer arranged on the middle shell, and the third insulating layer is in contact with the fourth insulating layer.

Further, the protecgulum is equipped with the connector, the connector is equipped with the earthing pin, electronic components includes the PCB board, the earthing pin with ground connection hole electricity on the PCB board is connected and is switched on.

Furthermore, the front cover is provided with a mounting hole for mounting the connector, and a third insulating structure connected with the connector is arranged at the mounting hole.

Furthermore, the outer side wall of the middle shell is provided with a guide rail, and the middle shell is connected with an external component through the guide rail.

Furthermore, a fourth insulation structure which is in contact with the external component is arranged on the guide rail.

The utility model has the beneficial effects that: the RET module structure provided by the utility model can effectively reduce the influence of stray signals on the antenna, and the first insulation structure is arranged between the front cover and the middle shell, and the second insulation structure is arranged between the rear cover and the middle shell, so that the front cover, the middle shell and the rear cover are not electrically connected, and the influence of the stray signals on the antenna is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a RET module structure according to a first embodiment of the present invention;

fig. 2 is an exploded view of a RET module structure according to a first embodiment of the present invention;

fig. 3 is a detailed view at a in fig. 2.

Description of reference numerals:

1. a front cover; 11. a third insulating structure; 12. mounting holes; 2. a middle shell; 21. a guide rail; 3. a rear cover; 4. a male end connector; 5. a female end connector; 6. a motor; 7. a PCB board; 8. and a grounding pin.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 3, an RET module structure includes a front cover 1, a middle case 2, and a rear cover 3 connected in sequence, where the front cover 1, the middle case 2, and the rear cover 3 form a cavity for mounting an electronic component, and a first insulating structure is disposed between the front cover 1 and the middle case 2 to block electrical connection between the front cover 1 and the middle case 2; a second insulation structure is arranged between the rear cover 3 and the middle shell 2 to block the electric connection between the rear cover 3 and the middle shell 2.

From the above description, the beneficial effects of the present invention are: through set up first insulation system between protecgulum 1 and mesochite 2 to set up second insulation system between protecgulum 3 and mesochite 2, make no electric connection between the three, thereby reduce the influence of stray signal to the antenna.

Further, the first insulating structure comprises a first insulating layer arranged on the front cover 1 and a second insulating layer arranged on the middle shell 2, and the first insulating layer is in contact with the second insulating layer.

As can be seen from the above description, the first insulating layer on the front cover 1 is in contact with the second insulating layer on the middle shell 2, so as to effectively block the electrical connection between the front cover 1 and the middle shell 2.

Further, the second insulating structure comprises a third insulating layer arranged on the rear cover 3 and a fourth insulating layer arranged on the middle shell 2, and the third insulating layer is in contact with the fourth insulating layer.

As can be seen from the above description, the third insulating layer on the rear cover 3 is in contact with the fourth insulating layer on the middle shell 2, so that the electrical connection between the rear cover 3 and the middle shell 2 can be effectively blocked.

Further, the protecgulum 1 is equipped with the connector, the connector is equipped with earthing pin 8, electronic components includes PCB board 7, earthing pin 8 with the earthing hole electricity on the PCB board 7 is connected and is switched on.

As can be seen from the above description, the grounding pin 8 on the connector is electrically connected and conducted with the grounding hole on the PCB 7, so that the current of the RET module structure can be quickly led to the ground, and the RET module structure has good surge resistance and electrical performance.

Further, the front cover 1 is provided with a mounting hole 12 for mounting the connector, and a third insulating structure 11 connected with the connector is arranged at the mounting hole 12.

As can be seen from the above description, the third insulating structure 11 facilitates the insulating process between the connector and the front cover 1, and prevents the connector from being electrically connected to the front cover 1.

Further, a guide rail 21 is arranged on the outer side wall of the middle shell 2, and the middle shell 2 is connected with an external component through the guide rail 21.

Further, a fourth insulation structure contacting the external member is provided on the guide rail 21.

As can be seen from the above description, the fourth insulation structure facilitates insulation between the middle shell 2 and the external component, so as to prevent the middle shell 2 and the external component from being electrically connected.

Example one

Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: an RET module structure comprises a front cover 1, a middle shell 2 and a rear cover 3 which are sequentially connected, wherein the front cover 1, the middle shell 2 and the rear cover 3 form a cavity for mounting electronic components, and a first insulating structure is arranged between the front cover 1 and the middle shell 2 to block the electric connection between the front cover 1 and the middle shell 2; a second insulating structure is arranged between the rear cover 3 and the middle shell 2 to block the electrical connection between the rear cover 3 and the middle shell 2; specifically, electronic components includes PCB board 7, in addition, still be equipped with in the cavity with motor 6 that back lid 3 is connected, the output shaft of motor 6 runs through back lid 3.

Optionally, the first insulating structure and the second insulating structure may be structural members made of insulating materials and disposed between the front cover 1, the middle shell 2 and the rear cover 3, or may be insulating layers formed by painting, oxidizing or electroplating; in some embodiments, the first insulating structure includes a first insulating layer provided on the front cover 1 and a second insulating layer provided on the middle case 2, the first insulating layer being in contact with the second insulating layer; the second insulating structure comprises a third insulating layer arranged on the rear cover 3 and a fourth insulating layer arranged on the middle shell 2, and the third insulating layer is in contact with the fourth insulating layer; the first insulating layer is arranged on one side, close to the middle shell 2, of the front cover 1, the second insulating layer is arranged on one side, close to the front cover 1, of the middle shell 2, the third insulating layer is arranged on one side, close to the middle shell 2, of the rear cover 3, and the fourth insulating layer is arranged on one side, close to the rear cover 3, of the middle shell 2.

In this embodiment, the front cover 1, the middle shell 2 and the rear cover 3 are all insulated by painting, and the whole surfaces of the front cover 1, the middle shell 2 and the rear cover are all painted with an insulating paint layer, specifically, the front cover 1 is provided with a connector, the connector is provided with a grounding pin 8, the grounding pin 8 is electrically connected and conducted with a grounding hole on the PCB 7, and the grounding pin 8 on the connector is electrically connected and conducted with the grounding hole on the PCB 7, so that the current of the RET module structure can be rapidly introduced into the ground, and has good anti-surge capability and electrical performance, more specifically, the front cover 1 is provided with a mounting hole 12 for mounting the connector, a third insulating structure 11 connected with the connector is arranged at the mounting hole 12, the third insulating structure 11 is a structural member made of insulating material, and the third insulating structure 11 is convenient for insulating the connector and the front cover 1, avoiding establishing electrical connection between the connector and the front cover 1, optionally, insulating the mounting hole 12 in a spray painting manner, thereby forming the third insulating structure 11, which can be specifically set according to actual requirements for influence, which is not repeated herein.

In detail, the connector includes male end connector 4 and female end connector 5, male end connector 4 with female end connector 5 install respectively in the mounting hole 12 on the protecgulum 1, male end connector 4 and all be equipped with on the female end connector 5 with ground connection hole welded earthing pin 8 on the PCB board 7.

Preferably, be equipped with guide rail 21 on the lateral wall of mesochite 2, mesochite 2 passes through guide rail 21 is connected with external member, be equipped with on the guide rail 21 with the fourth insulation system of external member contact, specifically, the insulating paint layer on mesochite 2 cover on the guide rail 21, thereby form fourth insulation system, so, can avoid mesochite 2 with establish electric connection between the external member.

In summary, the RET module structure provided by the utility model can effectively reduce the influence of stray signals on the antenna, and the first insulation structure is arranged between the front cover and the middle shell, and the second insulation structure is arranged between the rear cover and the middle shell, so that no electrical connection exists between the front cover and the middle shell, and the influence of stray signals on the antenna is reduced; the grounding pin on the connector is electrically connected and conducted with the grounding hole on the PCB, so that the current of the RET module structure can be rapidly led into the ground, and the RET module has good anti-surge capacity and electrical performance.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the accompanying drawings, which are directly or indirectly applied to the related technical fields, are included in the scope of the present invention.

Claims

1. A RET module structure comprises a front cover, a middle shell and a rear cover which are sequentially connected, wherein the front cover, the middle shell and the rear cover form a cavity for mounting electronic components; and a second insulating structure is arranged between the rear cover and the middle shell to block the electric connection between the rear cover and the middle shell.

2. The RET module structure of claim 1, wherein said first insulating structure comprises a first insulating layer provided at said front cover and a second insulating layer provided at said middle shell, said first insulating layer being in contact with said second insulating layer.

3. The RET module structure of claim 1, wherein said second insulating structure comprises a third insulating layer provided at said back cover and a fourth insulating layer provided at said middle shell, said third insulating layer being in contact with said fourth insulating layer.

4. The RET module structure of claim 1, wherein the front cover is provided with a connector, the connector is provided with a grounding pin, the electronic component comprises a PCB, and the grounding pin is electrically connected and conducted with a grounding hole on the PCB.

5. The RET module structure of claim 4, wherein the front cover is provided with a mounting hole for mounting the connector, and the mounting hole is provided with a third insulation structure connected with the connector.

6. The RET module structure of claim 1, characterized in that the outer side wall of said middle shell is provided with guide rails, through which said middle shell is connected with external components.

7. The RET module structure of claim 6, wherein said rails are provided with fourth insulation structures contacting said external member.