CN114114574A

CN114114574A - Optical cable protection device

Info

Publication number: CN114114574A
Application number: CN202111486773.1A
Authority: CN
Inventors: 方明; 李道豫; 冯文昕; 田茂城; 李松有; 张玉书; 张华�; 李太吉; 田雪飞; 余铜铜; 林财福; 郑梨文
Original assignee: Guiyang Bureau Extra High Voltage Power Transmission Co
Current assignee: Guiyang Bureau Extra High Voltage Power Transmission Co
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-03-01

Abstract

The application relates to an optical cable protection device, which comprises a protective shell and a splicing box, wherein the protective shell is provided with an accommodating cavity, the splicing box is arranged in the accommodating cavity, and the splicing box is provided with a splicing position for splicing an optical cable; the protective shell has a dimension in the first direction that is greater than a dimension of the closure in the first direction. This optical cable protection device can solve present constructor and trample easily at the in-process of tube well bottom construction surplus cable or pull the problem that surplus cable damaged that leads to.

Description

Optical cable protection device

Technical Field

The application relates to the technical field of power system operation tools, in particular to an optical cable protection device.

Background

The optical cable splice closure is a splice component which connects two or more optical cables together and has a protection function, is one of very important apparatuses in the construction of optical cable line engineering, and the quality of the optical cable splice closure directly affects the quality of an optical cable line and the service life of the optical cable line.

In the use of optical cable splice closure, the convenience of follow-up salvage is considered, can reserve partly surplus cable in optical cable splice closure's outside usually to prick this partly surplus cable of reservation and put by optical cable splice closure, when constructor when the construction of tub of well bottom, step on surplus cable easily or pull surplus cable and lead to surplus cable damage.

Disclosure of Invention

Based on this, it is necessary to provide an optical cable protection device aiming at the problem that the surplus cable is damaged because the surplus cable is easily trodden or dragged by the constructor in the process of the construction at the bottom of the pipe well at present.

An optical cable protection device comprising: the protective shell is provided with an accommodating cavity; the splicing box is arranged in the accommodating cavity and is provided with a splicing position for splicing the optical cable; the protective shell is greater in size in the first direction than the closure.

The optical cable protection device that this application embodiment provided, through setting up the splice box in the intracavity that holds of protective housing, utilize the protective housing to protect the splice box, and set up the protective housing and be greater than the splice box along the size of first direction, make the splice box setting hold the intracavity after, the space that holds the intracavity and reserve in addition can be used for holding the surplus cable that is located the splice box outside, thereby realize the protection to the surplus cable outside the splice box, avoid constructor to trample surplus cable or pull surplus cable and lead to surplus cable damage at the in-process of tube well bottom construction. Moreover, the protective shell is arranged to protect the splicing box and the residual cables outside the splicing box, so that the waterproof and moistureproof effects can be achieved.

In one embodiment, the splice closure is provided with at least two wire passing ports, and the optical cables pass through the splice closure through the wire passing ports. It can be understood that the splice closure is used for connecting two or more optical cables together and protecting the splicing part of the spliced optical cables, and at least two wire passing ports are arranged on the splice closure, so that different optical cables can penetrate out of the splice closure from different wire passing ports, and different optical cables can be distinguished more conveniently. And different optical cables penetrate out of the splice closure from different wire passing ports, so that the optical cables can be prevented from being wound mutually, and the optical cables can be conveniently sorted and maintained by operators.

In one embodiment, the closure has a first end and a second end opposite to each other, and at least two of the wire passing ports are respectively disposed at the first end and the second end. On the basis that at least two wire passing openings are arranged so that different optical cables can penetrate out of the splice closure from different wire passing openings, at least two wire passing openings are further arranged at two opposite ends of the splice closure respectively, and the optical cables penetrating out of the different wire passing openings can be better distinguished and avoided.

In one embodiment, the closure is secured within the protective shell by screws. The optical cable is fixed inside the protective shell through the screw, so that the optical cable can be prevented from being collided and damaged due to the fact that the optical cable moves inside the protective shell, and the optical cable can be better protected.

In one embodiment, the protective shell is made of galvanized steel plate; and/or the splice box is made of galvanized steel sheets. The protective housing and/or the splice box that set up galvanized steel sheet material promote optical cable protection device's firm degree, high temperature resistance and corrosion resisting property for optical cable protection device can protect the optical cable better.

In one embodiment, the protective shell comprises a shell body and a cover body, the shell body is provided with an opening, and the cover body covers the opening. The protective housing is arranged to control the housing and the cover body, the housing is provided with an opening, the splice box and the optical cable are taken and placed through the opening, the cover body covers the opening to seal the opening after the splice box and the optical cable are taken and placed, and the housing is kept in a clean environment, so that the optical cable is better protected.

In one embodiment, the cover is rotatably connected to the housing. Through being connected lid and casing rotary type, the protective housing open-ended of being convenient for opens and seals, and convenient operation is swift to improve the operating efficiency. And, rotate the lid and connect on the casing for when the opening is in open mode, the lid still is located the casing, can not cause the condition that the lid loses.

In one embodiment, the cover is hinged to the housing. Adopt articulated mode to realize being connected between lid and the casing, the structural part is simple, easily realizes.

In one embodiment, the protective shell has a dimension in the second direction that is greater than a dimension of the closure in the second direction; wherein the first direction is perpendicular to the second direction. It will be appreciated that when the excess cable is disposed outside the closure, the excess cable may be received by bundling the excess cable at the side of the closure and wrapping the excess cable around the closure. The optical cable protection device that this application embodiment provided is greater than the splice box along the size of first direction through setting up the size of protective housing along the first direction to set up the size that the protective housing is greater than the splice box along the size of second direction, make after setting up the splice box in holding the intracavity, the space that has the reservation around the splice box can be used for holding the surplus cable that is located the splice box outside, and the surplus cable can be accomodate in holding the intracavity in the mode that encircles around the splice box. On the one hand, owing to can accomodate the protection to remaining cable to can avoid constructor to trample remaining cable or pull remaining cable and lead to remaining cable to damage at the in-process of tub of well bottom construction, on the other hand adopts and need not fold or extrude the optical cable around the mode of accomodating, is difficult to cause the breakage to the optical cable, and the space that occupies is less.

In one embodiment, the closure has a dimension in a first direction of 220mm and the closure has a dimension in a second direction of 430 mm; the size of protective housing along first direction is 740mm, the size of protective housing along the second direction is 1200 mm. Under municipal administration tube-well diameter is 800 mm's the condition, it is 740mm to set up the size of protective housing along first direction, the size of protective housing along first direction is less than the diameter of tube-well promptly, so that put into the tube-well with the protective housing, and set up the size of protective housing along the second direction and be 1200mm, be less than the degree of depth of tube-well, and make the space in the protective housing great, the optical cable length scope that can deposit is great, for example, under the condition that surplus cable length of reserving outside the splice box is 1m to 10m, all can accomodate into the protective housing with surplus cable and protect.

The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.

Drawings

Fig. 1 is a schematic structural diagram of an optical cable protection device according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a protective shell of the optical cable protection device of FIG. 1;

fig. 3 is a schematic structural view of a closure of the optical cable protection device of fig. 1;

fig. 4 is a schematic sectional view along a-a direction in fig. 3.

The reference numbers illustrate:

100: protective case 200: splice closure

110: the accommodation chamber 210: first end

120: the housing 220: second end

130: a cover body 300: surplus cable

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The utility model provides a cable splice closure, the cable splice closure is placed directly in the well bottom of managing, and the condition that the splice closure damaged because of constructor tramples the splice closure easily takes place to use by departments such as operator, public security, traffic jointly, does not have corresponding safety protection measure in the municipal administration well.

Fig. 1 shows a schematic structural diagram of an optical cable protection device according to an embodiment of the present application, fig. 2 shows a schematic structural diagram of a protective shell of the optical cable protection device in fig. 1, and fig. 3 shows a schematic structural diagram of a junction box of the optical cable protection device in fig. 1.

Referring to fig. 1, 2 and 3, an embodiment of the present application provides a cable protection device including a protective case 100 and a closure 200. The protective shell 100 is provided with an accommodating cavity 110, the splice closure 200 is arranged in the accommodating cavity 110, the splice closure 200 is provided with a splicing position for splicing optical cables, and the size of the protective shell 100 along the first direction is larger than that of the splice closure 200 along the first direction. In this case, the shape of the protective case 100 may be a polygon, a circle, an ellipse, or a combination thereof, and the polygon includes regular polygons and non-regular polygons, such as a square and a rectangle.

The optical cable protection device that this application embodiment provided, through setting up splice box 200 in the chamber 110 that holds of protective housing 100, utilize protective housing 100 to protect splice box 200, and set up protective housing 100 and be greater than splice box 200 along the size of first direction, make splice box 200 set up after holding in the chamber 110, it can be used for holding the surplus cable 300 that is located splice box 200 to hold the interior space that still reserves of chamber 110, thereby realize the protection to surplus cable 300 outside splice box 200, avoid constructor to trample surplus cable 300 or pull surplus cable 300 and lead to surplus cable 300 to damage at the in-process of tube well bottom construction, and simultaneously, can standardize surplus cable 300 and coil, avoid optical cable to coil crisscross with optical cable splice tray, solve the mixed and disorderly problem of coiling of surplus cable 300, promote the inspection shaft, the construction image of electric well. Moreover, the protective shell 100 is provided to protect the splice box 200 and the remaining cables 300 outside the splice box 200, so that waterproof and moistureproof effects can be achieved.

In some embodiments, the protective case 100 is square in shape, with rounded corners at the top corners of the protective case 100. Specifically, the outer surface of the protective case 100 is provided with rounded corners at the top corners, and the inner surface of the protective case 100 is provided with rounded corners or no rounded corners at the top corners. Set up the fillet in the surface apex angle department of protective housing 100, can avoid apex angle department too sharp-pointed and fish tail operating personnel. The fillets are arranged at the top corners of the inner surface of the protective shell 100, so that when the excess cable 300 is accommodated in the accommodating cavity 110 in a manner of surrounding the splice closure 200, the top corners of the inner surface of the protective shell 100 are the same as or close to the coiled shape of the excess cable 300, and the excess cable 300 is supported and protected to a certain degree.

In some embodiments, closure 200 is provided with at least two wire ports through which cables can pass out of closure 200. It can be understood that the splice closure 200 is used to connect two or more optical cables together and protect the splice portion of the optical cables, and at least two cable ports are provided on the splice closure 200, so that different optical cables can pass through the splice closure 200 from different cable ports, thereby more conveniently distinguishing different optical cables. Moreover, different optical cables penetrate out of the splice closure 200 from different cable passing ports, so that the optical cables can be prevented from being wound with each other, and the optical cables can be conveniently sorted and maintained by operators.

Specifically, the number of the wire passing ports can be two, three, four, five or six, and the wire passing ports can be specifically arranged according to the number of the optical cables connected to the junction box, so that each optical cable is correspondingly provided with one wire passing port, the mutual winding of different optical cables is avoided, and the arrangement and maintenance of the optical cables by operators are facilitated.

In some embodiments, closure 200 has first and second opposing ends 210, 220, and at least two wire ports are provided at first and second ends 210, 220, respectively. On the basis that at least two wire passing ports are arranged so that different optical cables can penetrate out of the splice closure 200 from different wire passing ports, the at least two wire passing ports are further respectively arranged at two opposite ends of the splice closure 200, so that the optical cables penetrating out of the different wire passing ports can be better distinguished and avoided.

Furthermore, splice box 200 is rectangular form, first end 210 and second end 220 are located splice box 200 both ends on the length direction respectively, first end 210 and second end 220 are located respectively to at least two cross the line mouth, compare in the interlude of crossing the line mouth setting on splice box 200 length direction, can make the optical cable wear out splice box 200 through crossing the line mouth after, when accomodating surplus cable 300 with the mode around splice box 200 around, in the position that surplus cable 300 is close to the line mouth, the degree of buckling to surplus cable 300 is less, can reduce the probability of being broken in the in-process of accomodating of encircleing of surplus cable 300.

In a specific embodiment, the splice closure 200 is long, the number of the wire passing openings is two, the two wire passing openings are respectively located at two ends of the splice closure 200 in the length direction, and compared with the middle section of the wire passing openings arranged in the length direction of the splice closure 200, the bending degree of the residual cable 300 is smaller at the position of the residual cable 300 close to the wire passing openings when the optical cable passes through the splice closure 200 through the wire passing openings and is stored in the surrounding manner around the splice closure 200, so that the probability of breakage of the residual cable 300 in the surrounding storage process can be reduced.

Further, a rounded corner is formed at the top corner of the splice box 200 to prevent the residual cable 300 from being damaged due to collision of the residual cable 300 with the top corner of the splice box 200 when the residual cable 300 surrounds the splice box 200.

Fig. 4 shows a schematic sectional view along a-a in fig. 3.

Referring to fig. 3 and 4, in some embodiments, closure 200 is secured within protective shell 100 by screws. The splice box 200 is fixed inside the protective shell 100 by screws, so that the optical cable can be prevented from being damaged by collision due to the movement of the splice box 200 inside the protective shell 100, and the optical cable and the splice box 200 can be better protected.

In some embodiments, the closure 200 comprises galvanized steel. In the related art, in order to provide the splice closure 200 with a good moisture-proof performance, the splice closure 200 made of plastic is selected, but the splice closure 200 made of plastic has a low degree of firmness and a poor high-temperature resistance. This application optical cable protection device that embodiment body was used sets up splice box 200 of galvanized steel sheet material, promotes optical cable protection device's firm degree, high temperature resistance and corrosion resisting property for splice box 200 is difficult to receive the corruption of inspection shaft environment, thereby makes optical cable protection device can protect the optical cable better.

In some embodiments, the material of the protective case 100 includes galvanized steel. The protective housing 100 made of the galvanized steel sheet is arranged, so that the firmness degree, the high-temperature resistance and the corrosion resistance of the optical cable protection device are improved, the splice closure 200 is not easy to corrode the inspection well environment, and the optical cable can be better protected by the optical cable protection device.

In some embodiments, the material of the protective case 100 comprises galvanized steel and the material of the closure 200 comprises galvanized steel. The protective housing 100 of setting up the galvanized steel sheet material and the splice box 200 of galvanized steel sheet material promote optical cable protection device's firm degree, high temperature resistance and corrosion resisting property for splice box 200 is difficult to receive the corruption of inspection shaft environment, thereby makes optical cable protection device can protect the optical cable better.

In some embodiments, the protective case 100 includes a case 120 and a cover 130, the case 120 has an opening, and the cover 130 covers the opening. The protective shell 100 is arranged to control the shell 120 and the cover 130, the shell 120 is provided with an opening, the splice closure 200 and the optical cable are taken and placed through the opening, and the cover 130 covers the opening to seal the opening after the splice closure 200 and the optical cable are taken and placed, so that a clean environment is kept in the shell 120, and the optical cable is protected better.

In some embodiments, the cover 130 is rotatably coupled to the housing 120. By rotatably connecting the cover 130 to the housing 120, the opening and closing of the protective case 100 are facilitated, and the operation is convenient and fast, so as to improve the working efficiency. Moreover, the cover 130 is rotatably connected to the housing 120, so that when the opening is in an open state, the cover 130 is still located on the housing 120, and the cover 130 is not lost.

In some embodiments, the cover 130 is hinged to the housing 120. The cover 130 and the housing 120 are connected in a hinged manner, and the structure is simple and easy to implement.

In some embodiments, the size of the protective shell 100 in the second direction is greater than the size of the closure 200 in the second direction; wherein the first direction is perpendicular to the second direction. It is understood that when extra cable 300 is disposed outside splice closure 200, the extra cable 300 can be received by bundling extra cable 300 at the side of splice closure 200 and surrounding extra cable 300 around splice closure 200. According to the optical cable protection device provided by the embodiment of the application, by setting the size of the protective shell 100 in the first direction to be larger than the size of the splice closure 200 in the first direction and setting the size of the protective shell 100 in the second direction to be larger than the size of the splice closure 200 in the second direction, after the splice closure 200 is arranged in the accommodating cavity 110, a reserved space is left around the splice closure 200 to accommodate the residual cable 300 outside the splice closure 200, and the residual cable 300 can be accommodated in the accommodating cavity 110 in a manner of surrounding the splice closure 200. On the one hand, owing to can accomodate the protection to remaining cable 300 to can avoid constructor to trample remaining cable 300 or pull remaining cable 300 and lead to remaining cable 300 to damage at the in-process of tub of well bottom construction, on the other hand, adopt to encircle the mode of accomodating and need not fold or extrude the optical cable, be difficult to cause the breakage to the optical cable, and the space that occupies is less.

In some embodiments, closure 200 has a dimension in a first direction of 220mm and closure 200 has a dimension in a second direction of 430 mm; the size of the protective case 100 in the first direction is 740mm, and the size of the protective case 100 in the second direction is 1200 mm. Under the condition that municipal administration pipe shaft diameter is 800mm, the size that sets up protective housing 100 along the first direction is 740mm, the size of protective housing 100 along the first direction is less than the diameter of pipe shaft promptly, so that put into the pipe shaft with protective housing 100, and set up the size of protective housing 100 along the second direction and be 1200mm, be less than the depth of pipe shaft, and make the space in protective housing 100 great, the optical cable length scope that can deposit is great, for example, under the condition that surplus cable 300 length of reserving outside splice closure 200 is 1m to 10m, all can accomodate surplus cable 300 in protective housing 100 and protect. The dimensions of the closure 200 and the protective shell 100 allow for some tolerance, for example, a tolerance of ± 10 mm.

In some embodiments, the size of the protective case 100 in the first direction is 740mm, the size of the protective case 100 in the second direction is 1200mm, and the size of the protective case 100 in the third direction is 200mm, wherein the first direction is perpendicular to the second direction, the first direction is perpendicular to the third direction, and the second direction is perpendicular to the third direction, that is, the length, the width, and the height of the protective case 100 are 1200mm, 740mm, and 200mm, respectively. In the case of a municipal pipe well with a diameter of 800mm, the size of the protective casing 100 in the first direction is set to be 740mm, that is, the size of the protective casing 100 in the first direction is smaller than the diameter of the pipe well, so that the protective casing 100 can be put into the pipe well; the size of the protective shell 100 in the second direction is 1200mm, which is smaller than the depth of the tube well, and the space in the protective shell 100 is larger, so that the length range of the optical cable which can be stored is larger, for example, when the length of the residual cable 300 reserved outside the splice closure 200 is 1m to 10m, the residual cable 300 can be stored in the protective shell 100 for protection; and the size of the protective shell 100 along the third direction is set to be 200mm, so that the size range of the splice closure 200 capable of being accommodated is large, and the protection requirements of splice closures 200 of different models are met.

In some embodiments, the cable protection device further comprises a hanging bracket (not shown), by which the cable protection device can be fixed to the wall of the inspection well or the electric well, so as to prevent the municipal pipe well cable closure 200 from being stepped or submerged.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An optical cable protection device, comprising:

the protective shell is provided with an accommodating cavity; and

the splicing box is arranged in the accommodating cavity and is provided with a splicing position for splicing the optical cable;

the protective shell is greater in size in the first direction than the closure.

2. The cable protection device of claim 1, wherein the closure is provided with at least two wire ports through which cables extend out of the closure.

3. The fiber optic cable protection device of claim 2, wherein said closure has first and second opposite ends, and wherein at least two of said ports are disposed at said first and second ends, respectively.

4. The cable protection device of claim 1, wherein the closure is secured within the protective shell by screws.

5. The cable protector of claim 1, wherein the protective shell comprises galvanized steel; and/or the splice box is made of galvanized steel sheets.

6. The optical cable protection device of claim 1, wherein the protective shell comprises a shell body and a cover body, the shell body is provided with an opening, and the cover body covers the opening.

7. The cable protection device of claim 6, wherein the cover is rotatably coupled to the housing.

8. The cable protection device of claim 7, wherein the cover is hingedly attached to the housing.

9. The cable protection device of any one of claims 1 to 8, wherein the protective shell has a dimension in the second direction that is greater than a dimension of the closure in the second direction; wherein the first direction is perpendicular to the second direction.

10. The cable protection device of claim 9, wherein the splice enclosure has a dimension in the first direction of 220mm and a dimension in the second direction of 430 mm;

the size of protective housing along first direction is 740mm, the size of protective housing along the second direction is 1200 mm.