WO2016058331A1

WO2016058331A1 - Outdoor equipment external interface protection apparatus

Info

Publication number: WO2016058331A1
Application number: PCT/CN2015/074573
Authority: WO
Inventors: 罗浩; 刘明非; 张自黾; 杨贵新; 杨欣
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-10-13
Filing date: 2015-03-19
Publication date: 2016-04-21
Also published as: CN204558773U; WO2016058529A1

Abstract

An outdoor equipment external interface protection apparatus, comprising: a multi-cable gland (1), a cable sealing ring (2), and a packing nut (3). The cable sealing ring (2) is arranged behind the multi-cable gland (1) for cables (W) to run through and for waterproofing. The packing nut (3) is arranged behind the cable sealing ring (2) and acts jointly with the cable sealing ring (2) to lock tight the tail part of the multi-cable gland (1). The protection apparatus is provided with the multi-cable gland (1) and is capable of accommodating multiple cables (W), thus allowing multiple existing cables (W) on outdoor equipment to run to the external environment via one flange (F), and locking tight the multi-cable gland (1) via the cable sealing ring (2) and the packing nut (3). The apparatus is capable of transforming a scheme in which multiple interfaces are exposed to the external environment to one in which a single interface is exposed to the external environment, thus solving the problem in the prior art that the size of the outdoor equipment is restricted due to the conflict of the outdoor equipment between the reduction in size and the increase in the number of interfaces.

Description

Outdoor device external interface protection device

Technical field

The utility model relates to the field of communication, in particular to an external interface protection device for outdoor equipment.

Background technique

With the continuous development of wireless communication systems, the demand for outdoor equipment is becoming more and more extensive, and its size is also shrinking. On the contrary, there are more and more external interfaces.

More and more external interfaces limit the size of outdoor equipment. Therefore, there is a contradiction between the reduction of outdoor equipment size and the increase of interfaces, which limits the size of outdoor equipment.

Utility model content

The utility model provides an external interface protection device for outdoor equipment, which solves the problem that the size of the outdoor equipment is limited due to the contradiction between the reduction of the size of the outdoor equipment and the increase of the interface in the prior art.

To solve the above technical problem, an embodiment of the present invention provides an external interface protection device for an outdoor device, including: a multi-cable protective sleeve, a cable sealing ring, and a tightening nut; wherein the multi-cable protective sleeve and the method The size of the aperture of the blue connection is set to be able to accommodate the size of the plurality of cables; the cable sealing ring is disposed behind the multi-cable protective cover, and the cable is over-wired and waterproof; the tightening nut is set After the cable seal, the cable seal cooperates with the cable seal to lock the tail of the multi-cable cover.

In the above solution, the multi-cable protective cover comprises: an inner sleeve and an outer sheath, wherein the inner sleeve comprises: a buckle connected to the flange, a waterproof sealing ring and a tightening claw of the tail; The outer sheath is disposed outside the inner sleeve to protect the inner sleeve.

In the above solution, the multi-cable protective sleeve is connected to the flange and the aperture size is set to be able to The size of the multiple cables.

In the above solution, the device further includes: a plug disposed at the tightening claw of the inner sleeve, used in conjunction with a corresponding wire hole at the tightening claw, in the tightening claw When the wire hole is idle, the wire hole is blocked.

In the above solution, the size of the cable sealing ring is matched according to the size of the cable.

In the above solution, the cable sealing ring is made of a material having elasticity.

The external interface protection device of the outdoor device provided by the embodiment of the present invention has a multi-cable protective cover, which can accommodate multiple cables, so that the original multiple cables on the outdoor device can be externally passed through a flange and sealed by a cable. The ring and the tightening nut lock the protective sleeve, and the device can convert the original multi-interface external mode into a single interface, which solves the contradiction between the reduction of the size of the outdoor device and the increase of the interface in the prior art, and limits the outdoor environment. The problem of the size of the device.

DRAWINGS

1 is a schematic structural view of an external interface protection device for an outdoor device according to an embodiment of the present invention;

2 is a schematic view showing a preferred structure of an external interface protection device for an outdoor device according to an embodiment of the present invention;

3 is a schematic structural view of an external interface protection device for an outdoor device according to a preferred embodiment of the present invention;

4 is a schematic view of the outdoor device protection device of the outdoor device in the preferred embodiment of the present invention;

FIG. 5 is a schematic diagram of the external interface protection device of the outdoor device according to the second embodiment of the present invention.

detailed description

In order to solve the problem in the prior art that the size of the outdoor device is limited due to the contradiction between the reduction of the size of the outdoor device and the increase of the interface, the embodiment of the present invention provides an outdoor device. The external interface protection device will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment of the present invention provides an external interface protection device for an outdoor device. The structure of the device is shown in FIG. 1 and includes:

a multi-cable protective cover 1, a cable sealing ring 2 (not shown in the drawing, in the tightening nut 3), and a tightening nut 3; wherein the cable sealing ring 2 is disposed behind the multi-cable protective cover 1, The cable is over-wired and waterproofed; the tightening nut 3 is disposed behind the cable sealing ring 2, and cooperates with the cable sealing ring 2 to lock the tail of the multi-cable protective cover 1.

In a specific embodiment, the device may also be as shown in FIG. 2, wherein the multi-cable protective cover comprises: an inner sleeve 11 and an outer sheath 12, wherein the inner sleeve 11 comprises: a flange 4 The buckle, the waterproof sealing ring and the tightening claw of the tail portion; the outer sheath 12 is disposed outside the inner sleeve to protect the inner sleeve. Further, the aperture size of the multi-cable protective cover 1 connected to the flange 4 can be set to a size capable of accommodating a plurality of cables.

When the number of the through holes in the external interface guard device of the outdoor device is greater than the number of the cables, some of the through holes may be left idle, and the inner sleeve may be tightened. The wire hole is provided with a plug, which is used together with the wire hole to block the wire hole when the wire hole of the tightening claw is idle.

In another specific embodiment, in order to prevent the cable from accumulating a plurality of cables from one hole to the outside, a limit card may be added to the multi-cable cover. After being placed in the inner sleeve, the outer sleeve is tightly connected to the inner sleeve before being protected by the outer sheath, and the positions of the plurality of cables are fixed. Through the above-mentioned limit card board, the position of the multi-cable can be fixed, and the multi-cable can be well cooled. When the person skilled in the art sets, the above-mentioned limit card board can be set as a two-line limit card board, a four-line position card board, and the like according to requirements.

When setting, the size of the cable sealing ring is matched according to the size of the cable. The material is made of elastic material, which can well waterproof the cable and fully protect the cable.

In the specific connection, the inner sleeve 11 is directly connected with the flange on the casing, and the buckle and the sealing ring on the inner sleeve 11 respectively lock and seal the inner sleeve 11 and the casing; the outer sheath 12 is installed On the outer surface of the inner sleeve 11, the inner sleeve 11 is protected. In the actual product, as the tightening nut 3 is locked, the outer sheath 12 is forced and moved to a suitable position on the inner sleeve 11; the cable sealing ring 2 is elastic for cable crossing and sealing After the complete assembly, it will be placed at the tail claw of the inner sleeve 11. When the through hole is idle, there is a matching plug to block the through hole; the tightening nut 3 is used to lock the tail of the sheath to achieve protection.

When installing, first pass the cable assembly through the protective cover, then connect the connector on the cable assembly to the corresponding interface on the device, and then lock the inner sleeve and the integrated flange, and then limit The position card is stuck on the cable and moved into the tail of the outer sheath. Finally, the tightening nut at the tail of the outer sheath is locked to protect the interface. The outer sheath slides onto the inner sleeve under the action of the tightening nut to protect the inner sheath.

Compared with the prior art, the device of the embodiment of the present invention achieves the advantages of strong generalization and simple configuration, and can be compatible with different types and different numbers of cable configurations, and is suitable for future small size and large interfaces of outdoor wireless devices. Features.

Preferred embodiment 1

The outdoor base station used in the Radio Remote Unit (RRU) system is a very important component, and its main function is the processing, transmission and reception of radio frequency signals. Normally, the RRU will be installed in an outdoor environment close to the antenna, through the RRU The external interface with the protection is connected to the RRU and the Baseband Processing Unit (BBU), the RRU and the antenna.

With the continuous development of wireless communication systems, the size of RRUs has been shrinking, and the demand for external interfaces on RRUs has been increasing. In particular, the demand for optical ports is increasing, and traditional single optical port arrangements cannot meet the requirements for use. Therefore, in the large-capacity and small-volume scene, more double-optical ports will be arranged, which will bring about the connection and protection of the dual-fiber cable components. Therefore, the cable for the preferred embodiment of the present invention is a dual-fiber cable, and the external interface protection device for the outdoor device is shown in FIG. 3, and includes:

A. The inner sleeve comprises a buckle connected to the flange F, a sealing ring and a tightening claw at the tail;

B. Two-line card board (ie, a limit card board with two holes);

C, an outer sleeve (ie outer sheath) for protecting the inner sleeve;

D, double hole wire plug (ie cable seal with two holes);

E, the tail is tightening the nut.

A is directly connected to the flange F on the casing, and the buckle and the sealing ring on the A respectively lock and seal the casing of the A; B clamps the two optical fibers G at the tail of the tensile module, and after the complete assembly Will be leaning against the small steps inside C, pull-proof; C installed on the outer surface of A, protect A, in the actual product, C and A are integrated, do not need to be installed separately; D is flexible, used for two cables Through the line and waterproof, after the complete assembly, it will be placed at the tail claw of A. When the line hole is idle, there is a matching plug to block the line hole; E is the tightening nut to lock the tail of the sheath to achieve waterproof The installed schematic is shown in Figure 4. The double fiber passes through the entire protective cover and the protective cover (the protective cover is composed of A and C. Due to the positional relationship between A and C, only the outer sleeve can be shown in Figure 4. C) Tightly connected to the flange F to achieve protection of the dual fiber G.

The implementation of the technical solution is further described in detail below. The installation steps are as follows:

Remove B and D so that the two cable assemblies pass through the entire protective cover; connect the optical connectors of the two optical cable assemblies to the optical module; install B to clamp the two ends of the cable assembly tensile module. Root cable; use the buckle of the protective cover to lock the slot of the flange to make it tightly connected; use the wire plug to clamp the two cables and move the cable plug into the protective cover, so that the end of the wire plug and the A The tail end is flush; tighten the E so that the cable is tightly attached to the wire plug to achieve waterproof; the device is compatible with the single fiber outlet configuration. In this state, the idle wire hole needs to be plugged with the designed plug. Prevent water ingress.

Compared with the prior art, the device of the embodiment of the present invention achieves the advantages of strong generalization and simple configuration, and the effect of compatibility between the dual fiber and the single fiber configuration doubles the outgoing capacity of a single external interface to adapt to the future. The RRU is small in size and has many interfaces.

Preferred embodiment two

The cable for the preferred embodiment of the present invention is a five-cable cable, and the external interface protection device for the outdoor device provided includes:

The inner sleeve A includes a buckle connected to the flange F, a sealing ring and a tightening claw at the tail; an outer sleeve C (ie, an outer sheath) for protecting the inner sleeve; and a five-hole through wire plug D ( That is, a cable seal with five holes); the nut E is forced at the tail.

The inner sleeve A is directly connected with the flange F on the casing, and the buckle and the sealing ring on the inner sleeve A respectively realize the locking and sealing of the casing of the inner sleeve; the outer sleeve C is installed on the inner sleeve A The outer surface protects the inner sleeve A. In the actual product, the outer sleeve C and the inner sleeve A are integrated and do not need to be installed separately; the five-hole over-wire plug D is elastic and is used for five cables. The wire and waterproof, after being completely assembled, will be placed at the tail claw of the inner sleeve. When the through hole is idle, there is a matching plug blocking the wire hole; the tail pressing nut E is a tightening nut for locking the sheath. The tail is waterproof, and the installation is shown in Figure 5. The five cables W pass through the entire protective cover and the protective cover (the protective cover is composed of A and C as a whole, due to the positional relationship between A and C, Figure 5 Only the outer sleeve C) can be shown in close connection with the flange F, which realizes the protection of the five cables W. Since the figure is a side view, the position and structure of the five cables W may be not fully shown.

The following is a detailed description of the implementation of the technical solution. The installation process is as follows: remove the five-hole over-wire plug so that five cables pass through the entire protective sleeve; use the buckle of the protective sleeve to lock the slot of the flange. Make it tightly connected; use the wire plug to catch the five cables and move the wire plug into the protective cover so that the end of the wire plug is flush with the tail end of the inner sleeve; tighten the nut at the end to make the cable It is closely attached to the wire plug to achieve waterproof.

While the preferred embodiments of the present invention have been disclosed for purposes of illustration, those skilled in the art will recognize that various modifications, additions and substitutions are possible, and the scope of the present invention should not be limited to the embodiments described above.

Claims

An external interface protection device for outdoor equipment, comprising:

Multi-cable protective sleeve, cable sealing ring, and tightening nut; among them,

The cable sealing ring is disposed after the multi-cable protective sleeve, and performs cable crossing and waterproofing;

The pressing nut is disposed after the cable sealing ring and cooperates with the cable sealing ring to lock the tail of the multi-wire protective cover.
The outdoor device external interface protection device of claim 1 , wherein the multi-cable protective cover comprises:

Inner sleeve and outer sheath, wherein

The inner sleeve comprises: a buckle connected to the flange, a waterproof sealing ring and a tightening claw of the tail;

The outer sheath is disposed outside the inner sleeve to protect the inner sleeve.
The outdoor device external interface protection device according to claim 1, wherein the multi-cable protective cover has a hole size connected to the flange to be sized to accommodate a plurality of cables.
The external device protection device for an outdoor device according to claim 2 or 3, further comprising:

a plug disposed at the tightening claw of the inner sleeve for use with a corresponding wire hole at the tightening claw, and blocking the over-hole when the wire hole of the tightening claw is idle Line hole.
The outdoor device external interface protection device according to any one of claims 1 to 3, wherein the size of the cable sealing ring is matched according to the size of the cable.
The outdoor device external interface protection device according to any one of claims 1 to 3, wherein the cable sealing ring is made of a material having elasticity.