CN114859477A - Self-buckling butterfly-shaped optical cable - Google Patents
Self-buckling butterfly-shaped optical cable Download PDFInfo
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- CN114859477A CN114859477A CN202210574148.0A CN202210574148A CN114859477A CN 114859477 A CN114859477 A CN 114859477A CN 202210574148 A CN202210574148 A CN 202210574148A CN 114859477 A CN114859477 A CN 114859477A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3893—Push-pull type, e.g. snap-in, push-on
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
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Abstract
The application provides a self-buckled butterfly-shaped optical cable, which is characterized in that a male head and a female head which can be mutually matched for use are arranged, so that different parts of any two optical cables or the same optical cable are matched and buckled with the female head through the male head, the parallel connection of a plurality of butterfly-shaped optical cables and the self-buckled arrangement of individual optical cables are quickly realized, and the use is efficient; the reinforcing piece is arranged in the easily-torn male head and used for embedding the steel wire and the like, so that when the optical cable is required to be coiled or wired, the embedded steel wire is used for winding and arranging the optical cable by tearing the male head, and extra ribbon winding or magic tape fixing is not required; in addition, this application adds temperature sensing color change material in public first material, and the optical cable is discerned fast to the accessible colour, and at daily circuit patrol maintenance in-process, discolours through the optical cable and differentiates the ambient temperature change, in time discovers the optical cable service environment, including the temperature anomaly change such as building, distribution box, avoids leading to the optical cable life-span short because of lasting high temperature, and communication performance descends.
Description
Technical Field
The application relates to the field of butterfly-shaped optical cables, in particular to a self-buckling butterfly-shaped optical cable.
Background
Conventional butterfly-shaped optical cable has characteristics such as the structure is little, easy separation, be used in the last kilometer of optic fibre to the house usually, including optic fibre cable of registering one's residence, can reserve at optic fibre distribution case, the optic fibre case of registering one's residence in the use, subsequent butt fusion and the use of being convenient for, the butterfly-shaped optical cable part of reserving is in the case or user family, often need use ribbon winding or magic subsides to fix, but a lot of constructors do not twine the optical cable usually and directly pack into the butterfly-shaped optical cable in the case, cause the butterfly-shaped optical cable to place the confusion, influence the performance of optical cable performance. And when the facility is paved in villages and towns, extra binding cables are also needed to be hung on telegraph poles for fixing. In addition, according to the self characteristic of optic fibre, all butterfly-shaped optical cable operation requirements all have this index of ambient temperature interval, but in the actual construction wiring process, constructor can't discern ambient temperature the very first time, causes the butterfly-shaped optical cable to make the utility reduce because high temperature environment. Therefore, how to design a butterfly-shaped optical cable capable of improving the finishing efficiency in various scenes and quickly identifying the ambient temperature is a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
To the above technical problem, the technical scheme adopted by the application is as follows: a self-buckled butterfly-shaped optical cable comprises a rectangular optical fiber sheath, an optical fiber unit positioned in the center of the rectangular optical fiber sheath, a first reinforcing member and a second reinforcing member which are positioned in the rectangular optical fiber sheath and are vertically symmetrical relative to the optical fiber unit, and a first V-shaped tearing groove arranged in the middle of the first horizontal side surface of the rectangular optical fiber sheath, and further comprises:
the first male head and the second male head are respectively formed by extending leftwards and rightwards along the extending surfaces of two side surfaces of the first V-shaped tearing groove, the cross section of the first male head comprises a first line segment, a first horizontal line, a first oblique line, a second oblique line and a second horizontal line which are correspondingly formed in the cross section of the extending surface of the left side surface of the first V-shaped tearing groove 6 which is sequentially connected, the first horizontal line is connected with the first line segment and extends leftwards relative to the first line segment, the first oblique line extends leftwards and upwards relative to the first horizontal line, the second oblique line extends rightwards and upwards relative to the first oblique line, the second horizontal line extends rightwards relative to the second oblique line, and the first horizontal line and the first horizontal side surface are overlapped into a whole in the corresponding line segment in the cross section, so that the first male head is in an easily-tearing structure relative to the rectangular optical fiber sheath; the cross section of the second male head comprises a second line segment, a third horizontal line, a third oblique line, a fourth oblique line and a fourth horizontal line which are connected in sequence, wherein the second line segment, the third horizontal line, the third oblique line, the fourth oblique line and the fourth horizontal line are correspondingly arranged in the cross section, the third horizontal line and the second line segment are connected and extend rightwards relative to the second line segment, the third oblique line extends rightwards and upwards relative to the third horizontal line, the fourth oblique line extends leftwards relative to the third oblique line, the fourth horizontal line extends leftwards relative to the fourth oblique line, and the third horizontal line and the first horizontal side face are overlapped into a whole in the corresponding line segment in the cross section, so that the second male head is in an easily-tearing structure relative to the rectangular optical fiber sheath;
a female head formed by sinking a middle portion of the second horizontal side surface inwards, a cross section of the female head includes a fifth oblique line, a sixth oblique line, a fifth horizontal line, a seventh oblique line, an eighth oblique line, a sixth horizontal line, a ninth oblique line, and a tenth oblique line which are connected in sequence, the fifth oblique line is connected with a corresponding line segment of the second horizontal side surface in the cross section and extends upward to the left with respect to the corresponding line segment of the second horizontal side surface in the cross section, the sixth oblique line extends upward to the right with respect to the fifth oblique line, the fifth horizontal line extends downward to the right with respect to the sixth oblique line, the seventh oblique line extends upward to the right with respect to the fifth horizontal line, the eighth oblique line extends downward to the right with respect to the seventh oblique line, the sixth horizontal line extends downward to the sixth horizontal line, and the tenth oblique line extends downward to the left with respect to the ninth oblique line, the tenth slash is connected with the corresponding line segment of the second horizontal side in the cross section;
in addition, the lengths of the first oblique line and the fifth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, the lengths of the second oblique line and the sixth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, the lengths of the third oblique line and the tenth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, the lengths of the fourth oblique line and the ninth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, and the maximum horizontal width l of the female head is natural a1 The horizontal distance l between the leftmost point of the first male head and the rightmost point of the second male head in a natural state A1 + a first error constant b; width l of the female recess entrance on the second horizontal side b ≥l A1 -(l-s+H A ) X tan (A/2), l is the vertical distance between the first horizontal side and the second horizontal side, A is the angle of the first V-shaped tear groove, H A ＝max(H A1 ,H A2 )，H A1 Is the vertical height of the second horizontal line relative to the first horizontal side, H A2 The vertical height of the fourth horizontal line relative to the first horizontal side surface; the horizontal distance l between the leftmost point of the fifth horizontal line and the rightmost point of the sixth horizontal line in the female head in a natural state d The top width l of the first male head and the second male head in a natural state D + a first error constant b, the top width of the first and second male heads in natural conditionDegree l D Is the horizontal distance between the leftmost point of the second horizontal line and the rightmost point of the fourth horizontal line.
The application has at least the following technical effects: according to the butterfly optical cable, the male head and the female head which can be matched with each other for use are arranged, wherein the male head comprises a first male head structure and a second male head structure which are easy to tear, so that two butterfly optical cables are buckled with each other through matching of the male head and the female head of one optical cable, or the male head and the female head of different parts of the same optical cable are buckled with each other, the parallel connection and the self-buckling arrangement of the butterfly optical cables are rapidly realized, the use efficiency is high, and the signal transmission performance of the optical cables is guaranteed; in addition, the reinforcing piece is arranged in the male head and used for embedding the steel wire and the like, so that when the butterfly-shaped coiling or wiring is needed, the male head is torn, the embedded steel wire is used for winding and arranging the optical cable, and the ribbon winding or magic tape fixing is not needed; finally, this application adds temperature sensing color change material in public first material, and on the one hand the accessible colour comes quick discernment optical cable, and on the other hand, in daily circuit inspection, maintenance process, differentiatees the ambient temperature change through the optical cable discolours, in time discovers the optical cable service environment, including the temperature anomaly change such as building, distribution box, avoids leading to the optical cable life-span short because of lasting high temperature, and communication performance descends, and especially some special line that require high to communication performance can carry out the early warning to ambient temperature's change.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a cross-section of a butterfly-shaped optical cable according to an embodiment of the present application;
fig. 2 is a perspective view of a butterfly-shaped fiber optic cable according to another embodiment of the present application;
FIG. 3 is a cross-sectional view of a butterfly-shaped fiber optic cable according to yet another embodiment of the present application;
FIG. 4 is a schematic diagram of a butterfly-shaped optical cable self-clinching using male and female ends according to the present application;
fig. 5 is a schematic perspective view illustrating a plurality of butterfly-shaped optical cables being spliced by male and female connectors according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a butterfly-shaped optical cable, and as shown in fig. 1, the butterfly-shaped optical cable has a cross section, and the butterfly-shaped optical cable comprises a rectangular optical fiber sheath 1, an optical fiber unit 2 located in the center of the rectangular optical fiber sheath 1, a first reinforcing member 3 and a second reinforcing member 4 located in the rectangular optical fiber sheath 1 and vertically symmetrical with respect to the optical fiber unit 2, and a first V-shaped tear groove 6 disposed in the middle of a first horizontal side 5 of the rectangular optical fiber sheath 1.
In the present application, the rectangular optical fiber sheath 1 may be made of any material used in the prior art, such as a 92A high-hardness low-smoke halogen-free sheath material. The value range of the angle A of the first V-shaped tearing groove 6 is [7 degrees, 15 degrees ], preferably 10 degrees, and by setting the angle, the rectangular optical fiber sheath can not be broken due to the fact that the angle of the first V-shaped tearing groove is too large, and the optical fiber unit cannot be stored and protected completely. In addition, the rectangular optical fiber sheath 1 can be arbitrarily set in width and height as required. In a preferred embodiment of the present application, the rectangular optical fiber sheath 1 is a rounded rectangular optical fiber sheath, as shown in fig. 2, to avoid damaging the optical fiber during use due to the sharp corners of the sheath. The optical fiber unit 2 may be provided as a 1-core optical fiber, a 2-core optical fiber, or a 4-core optical fiber as needed. In the present application, the center of the rectangular optical fiber sheath 1 refers to a position of an intersection of a vertical line of symmetry and a horizontal line of symmetry in a cross section of the rectangular optical fiber sheath 1. The middle part of the first horizontal side surface 5 of the rectangular optical fiber sheath 1 is recessed inwards in a V shape to form the first V-shaped tearing groove 6, and the first V-shaped tearing groove 6 comprises two side surfaces, namely a left side surface 61 and a right side surface 62.
The butterfly-shaped optical cable further comprises: a first male head 12 and a second male head 13 which are respectively formed by extending leftwards and rightwards along the extending surfaces of the two side surfaces of the first V-shaped tearing groove 6, and a female head 8 which is formed by inwards sinking the middle part of the second horizontal side surface 7. Specifically, line segment 121 is a line segment formed in the cross section shown in fig. 1 by the extending surface of left side surface 61 of first V-shaped tear groove 6, and line segment 131 is a line segment formed in the cross section shown in fig. 1 by the extending surface of right side surface 62 of first V-shaped tear groove 6.
The cross section of the first male head 12 comprises a line segment 121, a first horizontal line 122, a first oblique line 123, a second oblique line 124 and a second horizontal line 125 which are connected in sequence, wherein the first V-shaped tear groove 6 extends from the left side surface 61 of the cross section, the first horizontal line 122 is connected with the line segment 121 and extends leftwards relative to the line segment 121, the first oblique line 123 extends leftwards and upwards relative to the first horizontal line 122, the second oblique line 124 extends rightwards and upwards relative to the first oblique line 123, the second horizontal line 125 extends rightwards relative to the second oblique line 124, and the first horizontal line 122 and the part of the first horizontal side surface 5 in the corresponding line segment in the cross section are overlapped into a whole, so that the first male head 12 is in an easily-tearing structure relative to the rectangular optical fiber sheath 1. Specifically, the first male tip 12 can be torn apart from the body of the rectangular optical fiber sheath 1, and when in use, a user can tear off the first male tip 12 with a specific length from the rectangular optical fiber sheath 1 as required.
The cross section of the second male part 13 comprises a line segment 131, a third horizontal line 132, a third oblique line 133, a fourth oblique line 134 and a fourth horizontal line 135 which are connected in sequence, wherein the third horizontal line 132 is connected with the line segment 131 and extends rightwards relative to the line segment 131 to form, the third oblique line 133 extends rightwards and upwards relative to the third horizontal line 132 to form, the fourth oblique line 134 extends leftwards and upwards relative to the third oblique line 133 to form, the fourth horizontal line 135 extends leftwards relative to the fourth oblique line 134 to form, and the third horizontal line 132 and the part of the first horizontal side surface 5 in the corresponding line segment in the cross section are overlapped into a whole, so that the second male part 13 is in a tearing-facilitating structure relative to the rectangular optical fiber sheath 1. Specifically, the second male tip 13 can be torn apart from the body of the rectangular optical fiber sheath 1, and when in use, a user can tear off the second male tip 13 with a specific length from the rectangular optical fiber sheath 1 as required.
The cross section of the female head 8 includes a fifth oblique line 81, a sixth oblique line 82, a fifth horizontal line 83, a seventh oblique line 84, an eighth oblique line 85, a sixth horizontal line 86, a ninth oblique line 87, and a tenth oblique line 88, which are connected in this order, wherein the fifth oblique line 81 is connected to a corresponding line segment of the second horizontal side 7 in the cross section and extends upward to the left with respect to the corresponding line segment of the second horizontal side 7, the sixth oblique line 82 extends upward to the right with respect to the fifth oblique line 81, the fifth horizontal line 83 extends upward to the right with respect to the sixth oblique line 82, the seventh oblique line 84 extends upward to the right with respect to the fifth horizontal line 83, the eighth oblique line 85 extends downward to the right with respect to the seventh oblique line 84, the sixth horizontal line 86 extends downward to the eighth oblique line 85, the ninth oblique line 87 extends downward to the sixth horizontal line 86, and the tenth oblique line 88 extends downward to the ninth oblique line 87, the tenth slanted line connects with a corresponding line segment of the second horizontal side 7 in said cross section. In the present application, the seventh oblique line 84 and the eighth oblique line 85 constitute the second V-shaped tear groove 9, and the first V-shaped tear groove 6 and the second V-shaped tear groove 9 themselves are respectively symmetrical with respect to a vertical symmetry line in the cross section of the rectangular optical fiber sheath 1.
In a preferred embodiment, the second V-shaped tear groove 9 and the first V-shaped tear groove 6 are located correspondingly, i.e. the second V-shaped tear groove 9 and the first V-shaped tear groove 6 are horizontally symmetrical with respect to the optical fiber unit 2. In order to facilitate the removal of the optical fiber unit 2, a vertical distance s of the first V-shaped tear groove 6 and the second V-shaped tear groove 9 (the vertical distance s is a distance between a vertex of the first V-shaped tear groove 6 and a vertex of the second V-shaped tear groove 9 in the cross section) is in a range of [0.6mm, 0.8mm ], preferably 0.7 mm. The first V-shaped tearing groove 6 and the second V-shaped tearing groove 9 which are vertically arranged enable the whole rectangular optical fiber protective sleeve 1 to be kept in an easily-torn state, and the operation of the optical fiber can be simplified during construction fusion.
Further, in order to enable any two butterfly-shaped optical cables to be buckled together or different parts of the same butterfly-shaped optical cable to be buckled together, the first oblique line 123 and the fifth oblique line 81 have the same length and respectively have the same included angle with the corresponding line segment of the first horizontal side 6 in the cross section, the second oblique line 124 and the sixth oblique line 82 have the same length and respectively have the same included angle with the corresponding line segment of the first horizontal side 6 in the cross section, the third oblique line 133 and the tenth oblique line 88 have the same length and respectively have the same included angle with the corresponding line segment of the first horizontal side 6 in the cross section, the fourth oblique line 134 and the ninth oblique line 87 have the same length and respectively have the same included angle with the corresponding line segment of the first horizontal side 6 in the cross section, and the maximum horizontal width l of the female head 8 in a natural state is the same as the maximum horizontal width l of the first horizontal side 6 in the cross section a The horizontal distance l between the leftmost point of the first male tip 12 and the rightmost point of the second male tip 13 in the natural state A + a first error constant b, wherein b has a value in the range of [0mm, 0.02mm]Vertical height H of female head 8 in natural state a The vertical height H of the first male part 12 relative to the first horizontal side 5 A1 + a first error constant b or the vertical height H of the second male part 13 with respect to said first horizontal side 5 A2 + first error constant b, vertical height H of the female head 8 a Is the vertical distance of the fifth horizontal line 83 and the corresponding line of the second horizontal side 7 in said cross-section. The female head 8 is recessed on the second horizontal side 7 by the width of the entrance/ b ≥l A -(l-s+H A ) X tan (A/2), l being the height of the rectangular optical fiber sheath 1, i.e. the vertical distance between the first horizontal side 5 and the second horizontal side 7, H A ＝max(H A1 ,H A2 ) I.e. H A Is H A1 And H A2 Maximum value of (1), H A1 Is the vertical height, H, of the second horizontal line 125 relative to the first horizontal side 5 A2 The vertical height of the fourth horizontal line 135 relative to the first horizontal side 5; width of top of female head 8 in natural statel d Width l of the top of the first male part 12 and the second male part 13 in the natural state D + a first error constant b, the width l of the top of the first male part 12 and the second male part 13 in the natural state D The horizontal distance between the leftmost point of the second horizontal line 125 and the rightmost point of the fourth horizontal line 135, the width of the top of the female head 8 in the natural state is the horizontal distance between the leftmost point of the fifth horizontal line 83 and the rightmost point of the sixth horizontal line 86. In the female head H a 、l a 、l b 、l d The arrangement of (2) can enable the first male head and the second male head of one butterfly-shaped optical cable to be just nested in the other butterfly-shaped optical cable or the female head of the butterfly-shaped optical cable under the condition of force application, so that the optical cables can be efficiently arranged. Namely, through the design of structure size, the easy tear characteristic of butterfly-shaped optical cable is kept, simultaneously, satisfies the rationality and the easy and simple operation nature of self-clinching formula structure.
According to the technical scheme, the male head and the female head which are matched with each other in size are arranged on the butterfly-shaped optical cable, so that different butterfly-shaped optical cables or different parts of the same butterfly-shaped optical cable can be buckled together through the male head and the female head, the parallel arrangement of a plurality of optical fibers is further realized, or the self-buckling type winding arrangement of the same optical cable is realized, the arrangement efficiency of the optical cables can be improved in two modes, and the communication performance of the optical fibers is maintained. In addition, this application can be under the prerequisite that does not change butterfly-shaped optical cable production line, the production flow, production efficiency, only change mould size structure and can produce self-clinching formula butterfly-shaped optical cable, self-clinching formula butterfly-shaped optical cable can be used to indoor router effectively and place case, passageway distribution case, the surplus optical cable can effectively simply and conveniently carry out the self-clinching formula arrangement, the butterfly-shaped optical cable can not carry out the self-clinching formula through the foreign object and coil, the doubling arrangement etc. practices thrift equipment space, simplify constructor operation, the butterfly-shaped optical cable is placed more beautifully.
In the present application, in order to make the male and female connectors better fit and use and to protect the optical fiber unit, the angle B of the second V-shaped tear groove 9 is set to 76 °.
In the preferred embodiment of the present application, the first male head 12 and the second male head 13 are vertically paired with respect to the first V-shaped tear groove 6The first male tip 12 and the second male tip 13 are symmetrical with respect to a vertical symmetry line of the rectangular optical fiber sheath 1. Further, the vertical height H of the first male head 12 is set A1 1.5mm, the height l of the rectangular optical fiber sheath 1 is 4mm, and the horizontal distance l between the leftmost point of the first male head 12 and the rightmost point of the second male head 13 in a natural state A 2.0mm, the vertical height H of the second male portion 13 is then obtained A2 1.5mm, the maximum horizontal width l of the female head 8 in the natural state a1 2.0mm + b, wherein the vertical height H of the first male part 12 A1 The vertical height H of the second male part 13 is the vertical distance between the first horizontal line 122 and the second horizontal line 125 A2 Is the vertical distance between the third horizontal line 132 and the fourth horizontal line 135. The setting of the parameters ensures that the total volume of the butterfly-shaped optical cable is not too large and occupies more space, so that the arrangement and the use of the optical cable are not facilitated.
In an embodiment of the present invention, in order to make the first male part 12 and the second male part 13 more easily snap into the female part 8, a tapered top is provided on the upper part of the first male part 12 and the second male part 13, that is, the second oblique line 124 and the fourth oblique line 134 intersect at an acute angle, and (l-s + H) A1 ) The larger the/2, the flatter the tip, l B The smaller, preferably approximately 60 ° of the entry angle of the plug is provided, i.e. the acute angle formed by the second oblique line 124 and the fourth oblique line 134 is 60 °, then (l-s + H) A1 ) 2.4mm, when the female inlet I is calculated b ≥l A -(l-s+H A1 ) X tan (a/2) ═ 1.58 mm. Further, the lengths l of the first and third horizontal lines 122, 132 E The value range is [0.63mm,1.167mm]To make the male and female heads snap together, l b ≥2l E +(l-s)/2×tan(A/2)。
In a preferred embodiment, the top width l of the first male part 12 and the second male part 13 in the natural state is set D ≤l b A, wherein a is a second error constant, and the value range of the second error constant is [0.02mm, 0.5mm ]]Preferably 0.5 mm. And when l is 4mm, s is 0.7mm, l A1 When a is 2.0mm and a is 0.5mm, l D Less than or equal to 1.08 mm. The size of the male head is slightly smaller than that of the inlet of the female head under the non-fit state,when the butterfly-shaped optical cable is buckled, the oblique angles of the male head 12 and the male head 13 are combined and attached under the extrusion force of the female head, and the size of the plane attached state of the male heads at two ends is smaller than that of the inlet of the female head, so that the butterfly-shaped optical cable can enter the female head. After entering the female head, the male head 12 and the male head 13 are not subjected to extrusion force, and the female head can be easily buckled in due to elasticity of materials.
In a preferred embodiment of the present application, the butterfly-shaped optical cable further includes: a circular suspension wire sheath 10 located in the middle of the first vertical side of the rectangular optical fiber sheath 1, and a suspension wire 11 located in the center of the suspension wire sheath 10, wherein the circular suspension wire sheath 10 and the rectangular optical fiber sheath 1 are integrally formed, as shown in fig. 3. By arranging the suspension wire sheath integrally formed with the optical fiber sheath, the self-supporting butterfly-shaped optical cable is obtained, so that the butterfly-shaped optical cable is fixed at any required place by utilizing the suspension wire sheath and the suspension wire as required in the outdoor wiring process, and the use convenience of the optical cable is improved.
In another embodiment of the present application, the first male head 12 and/or the second male head 13 further comprise a third reinforcement 14, as shown in fig. 3. Specifically, the third reinforcing member 14 is a circular reinforcing member, and a distance r2 between the center of the third reinforcing member 14 and the first horizontal side surface 5 is H A1 L, the distance r1 between the center of the third reinforcing element 14 and the leftmost point of the first male part 12 A1 /4-(l-s+H A1 ) A/4 × tan (a/2), or l, the distance r1 between the center of the third stiffener 14 and the rightmost point of the second male end 13 A1 /4-(l-s+H A1 ) /4 Xtan (A/2). Preferably, the third reinforcement is embedded with a steel wire, wherein the steel wire may be a phosphated steel wire with a diameter of 0.3 mm. The steel wire is embedded through the reinforcing piece arranged in the male head, so that the tearing can be performed as a binding wire under the condition that the force is applied to the tearing groove by the hand. When the steel wire is not embedded in the male head, the tearing can be torn and discarded under the condition that the hand applies force to the tearing groove. Fig. 4 is a schematic view of a butterfly-shaped optical cable performing self-buckling type winding by using the male and female heads, and fig. 5 is a perspective view of a plurality of butterfly-shaped optical cables performing doubling by using the male and female heads.
In a preferred embodiment of the present application, a thermochromic material is mixed in the base material of the first male tip 12 and/or the second male tip 13. Specifically, the inner sheath material of the first male tab 12 and/or the second male tab 13 is mixed with a temperature-sensitive color-changing powder, and the substance can change the molecular structure of the organic matter due to electron transfer at a specific temperature, so that color conversion is realized. The temperature sensing color changing powder is utilized, temperature change of the optical cable in a temperature range of-5-90 ℃ can be realized, and early warning for temperature is displayed through different colors. If the optical cable male head 1 displays a light yellow color at normal temperature, and the temperature changes to 78 ℃, the optical cable male head 1 displays bright red to form bright contrast.
By using the temperature-sensitive color-changing material in the male connector base material, the quick identification function and the environment temperature-sensitive function of the color bar optical cable are taken into consideration, so that the optical cable has a temperature early warning function, a high-temperature source can be found by a constructor and a line inspection worker in time conveniently, the high-temperature source is locked, isolation or multiple protection is effectively carried out, and the transmission performance of the optical cable is guaranteed, especially the transmission performance of a special line is required to be good; the temperature alarm device can warn the change of the environmental temperature when being used in buildings and rooms, and simultaneously prolongs the service life of the optical cable. In addition, the optical cable can be identified quickly according to the color of the male connector in a complex line.
Although some specific embodiments of the present application have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the present application. Those skilled in the art will also appreciate that various modifications might be made to the embodiments without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.
Claims (10)
1. A self-buckled butterfly-shaped optical cable comprises a rectangular optical fiber sheath, an optical fiber unit positioned in the center of the rectangular optical fiber sheath, a first reinforcing member and a second reinforcing member which are positioned in the rectangular optical fiber sheath and are vertically symmetrical relative to the optical fiber unit, and a first V-shaped tearing groove arranged in the middle of the first horizontal side surface of the rectangular optical fiber sheath, and is characterized by further comprising:
the first male head and the second male head are respectively formed by extending leftwards and rightwards along the extending surfaces of two side surfaces of the first V-shaped tearing groove, the cross section of the first male head comprises a first line segment, a first horizontal line, a first oblique line, a second oblique line and a second horizontal line which are correspondingly formed in the cross section of the extending surface of the left side surface of the first V-shaped tearing groove 6 which is sequentially connected, the first horizontal line is connected with the first line segment and extends leftwards relative to the first line segment, the first oblique line extends leftwards and upwards relative to the first horizontal line, the second oblique line extends rightwards and upwards relative to the first oblique line, the second horizontal line extends rightwards relative to the second oblique line, and the first horizontal line and the first horizontal side surface are overlapped into a whole in the corresponding line segment in the cross section, so that the first male head is in an easily-tearing structure relative to the rectangular optical fiber sheath; the cross section of the second male head comprises a second line segment, a third horizontal line, a third oblique line, a fourth oblique line and a fourth horizontal line which are connected in sequence, wherein the second line segment, the third horizontal line, the third oblique line, the fourth oblique line and the fourth horizontal line are correspondingly arranged in the cross section, the third horizontal line and the second line segment are connected and extend rightwards relative to the second line segment, the third oblique line extends rightwards and upwards relative to the third horizontal line, the fourth oblique line extends leftwards relative to the third oblique line, the fourth horizontal line extends leftwards relative to the fourth oblique line, and the third horizontal line and the first horizontal side face are overlapped into a whole in the corresponding line segment in the cross section, so that the second male head is in an easily-tearing structure relative to the rectangular optical fiber sheath;
a female head formed by sinking a middle portion of the second horizontal side surface inwards, a cross section of the female head includes a fifth oblique line, a sixth oblique line, a fifth horizontal line, a seventh oblique line, an eighth oblique line, a sixth horizontal line, a ninth oblique line, and a tenth oblique line which are connected in sequence, the fifth oblique line is connected with a corresponding line segment of the second horizontal side surface in the cross section and extends upward to the left with respect to the corresponding line segment of the second horizontal side surface in the cross section, the sixth oblique line extends upward to the right with respect to the fifth oblique line, the fifth horizontal line extends downward to the right with respect to the sixth oblique line, the seventh oblique line extends upward to the right with respect to the fifth horizontal line, the eighth oblique line extends downward to the right with respect to the seventh oblique line, the sixth horizontal line extends downward to the sixth horizontal line, and the tenth oblique line extends downward to the left with respect to the ninth oblique line, the tenth slash is connected with the corresponding line segment of the second horizontal side in the cross section;
in addition, the lengths of the first oblique line and the fifth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, the lengths of the second oblique line and the sixth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, the lengths of the third oblique line and the tenth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, the lengths of the fourth oblique line and the ninth oblique line are the same and are respectively the same as the corresponding line segment included angles of the first horizontal side surface in the cross section, and the maximum horizontal width l of the female head is natural a The horizontal distance l between the leftmost point of the first male head and the rightmost point of the second male head in a natural state A + a first error constant b; width l of the female recess entrance on the second horizontal side b ≥l A -(l-s+H A ) X tan (A/2), l is the vertical distance between the first horizontal side and the second horizontal side, A is the angle of the first V-shaped tear groove, H A ＝max(H A1 ,H A2 )，H A1 Is the vertical height of the second horizontal line relative to the first horizontal side, H A2 The vertical height of the fourth horizontal line relative to the first horizontal side surface; the horizontal distance l between the leftmost point of the fifth horizontal line and the rightmost point of the sixth horizontal line in the female head in a natural state d The top width l of the first male head and the second male head in a natural state D + a first error constant b, the top width l of the first and second male heads in the natural state D Is the horizontal distance between the leftmost point of the second horizontal line and the rightmost point of the fourth horizontal line.
2. The butterfly cable of claim 1, wherein the first male tab and the second male tab are vertically symmetric about the first V-shaped tear groove.
3. The butterfly-shaped optical cable of claim 2, wherein b has a value in the range of [0mm, 0.02mm ].
4. The butterfly-shaped optical cable of claim 2, further comprising: the operation suspension wire sheath and the rectangular optical fiber sheath are integrally formed.
5. The butterfly cable of claim 1 or 4, wherein the first male portion and/or the second male portion further comprises a third strength member.
6. The butterfly-shaped optical cable according to claim 5, wherein the first male tip and/or the second male tip have a thermochromic material mixed in a base material thereof.
7. The butterfly-shaped optical cable of claim 2, wherein a is 10 °.
8. The butterfly-shaped optical cable of claim 2, wherein the second oblique line and the fourth oblique line form an acute angle of 60 °.
9. The butterfly-shaped optical cable of claim 2, wherein the rectangular optical fiber jacket is a rounded rectangular optical fiber jacket.
10. The butterfly-shaped optical cable of claim 8, wherein/ b ≥2l E +(l-s)/2×tan(A/2)，l E Is the length of the first horizontal line or the third horizontal line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210574148.0A CN114859477B (en) | 2022-05-24 | 2022-05-24 | Self-buckling butterfly-shaped optical cable |
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| CN202210574148.0A CN114859477B (en) | 2022-05-24 | 2022-05-24 | Self-buckling butterfly-shaped optical cable |
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| CN114859477A true CN114859477A (en) | 2022-08-05 |
| CN114859477B CN114859477B (en) | 2023-07-21 |
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| CN117666053A (en) * | 2024-01-29 | 2024-03-08 | 江苏中天科技股份有限公司 | Anti-twisting multifunctional low-attenuation butterfly-shaped optical cable |
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|---|---|
| CN114859477B (en) | 2023-07-21 |
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