CN219591171U - Signal cable with core wire provided with identification mark - Google Patents

Abstract

The utility model discloses a signal cable with a core wire provided with an identification mark. The cable comprises a metal conductor core and a cable core formed by sleeving a core sheath outside the metal conductor core, wherein the cable core comprises two marks which are used for identifying signal cables, and the two marks are a first mark and a second mark respectively; the first mark is the color of the outer skin of the wire core; the second mark is a wire core sheath provided with an identification mark; the signatures repeatedly appear at equal intervals along the core skin, with two adjacent sets of signatures being inverted with respect to each other. The utility model has the advantages that the digital code on each core wire can be rapidly identified at the end A and the end B of the cable when the signal cable is connected, the corresponding core wires are directly connected, the connection is convenient and rapid, the working efficiency is high, the wiring quality and the accuracy are greatly improved, and convenience is provided for users in construction sites; the identification mark has the advantages of migration resistance, strong adhesive force, ultraviolet resistance, oil stain resistance, suitability for a humid environment, sulfuration resistance and satisfaction of the cable process requirements.

Description

Signal cable with core wire provided with identification mark

Technical Field

The utility model relates to the field of wire and cable manufacturing, in particular to a signal cable with a core wire provided with an identification mark.

Background

The signal cable is widely used for transmitting control information, monitoring information and electric energy between signal equipment and a control device such as a railway signal automatic blocking system, station code, computer interlocking, microcomputer monitoring, dispatching concentration, dispatching supervision, high-power electric switch machine and the like, and is a key product of a railway communication signal system. The product has large market dosage, the current signal cable core wire adopts a color mark, and when the cable is connected, the cable core wires (an end A and an end B) at two sides are respectively grouped and numbered, and then are connected. According to the on-site feedback, the cable core is stripped by opening the cable end, the four-wire group binding yarns and the wire group are loosened to form a wire bundle, which group the wire core with a certain color is difficult to directly identify from the wire bundle, errors are easy to occur only by means of insulating color numbers, and particularly, the large-core number cable is easy to connect with the wrong wire, the on-site constructor is required to repeatedly confirm, the operation is long in time consumption, and the connection efficiency is low. Aiming at the problems, the signal cable with the core wire provided with the identification mark is provided, so that convenience is brought to the core wire connection of the signal cable, and the working efficiency and the accuracy of the construction connection of the signal cable are improved.

The cable core of the signal cable is generally formed by twisting a plurality of four-wire groups, wire groups and additional single wires, and the number of the cable cores is 4-61.

Identifying the cable A, B end: the green four-wire group is an end A in the clockwise direction of the red group; and otherwise, the end B.

Taking a 37-core signal cable as an example, the core wires of the two cables at the connection are arranged as follows: fig. 9, 10, 11, and 12.

When in connection, the core wires at two sides of the cable (refer to an A end and a B end of the cable) are respectively grouped and numbered, then the A end and the B end of the cable are correspondingly connected, and when in connection, the A end and the B end of the cable respectively comprise 9 red, 10 green, 10 white and 8 blue metal conductor core wires, for example, the red and Bai Gong in the A end red four-wire group are respectively connected with the red and white core wires of the B end red four-wire group, the blue and green work in the A end red four-wire group is connected with the blue and green core wires of the B end red four-wire group, the red and white core wires of the … … A end red/white pair are connected with the red and white core wires of the B end red/white pair, and the like.

Disclosure of Invention

The utility model aims to provide a signal cable with a core wire provided with an identification mark, which is convenient for rapidly identifying the number of an outgoing wire core when the signal cable is connected, improves the connection working efficiency and accuracy of the signal cable and provides better service for a construction site.

In order to achieve the above purpose, the signal cable with the mark on the core wire comprises a metal conductor core and a cable core formed by sleeving a core sheath outside the metal conductor core, wherein the cable core comprises two marks, the marks are used for identifying the signal cable, and the two marks are a first mark and a second mark respectively;

the first mark is the color of the outer skin of the wire core;

the second mark is a wire core sheath provided with an identification mark; the signatures repeatedly appear at equal intervals along the core skin, with two adjacent sets of signatures being inverted with respect to each other.

The wire core outer skin is an insulating layer.

The identification mark is a letter and a number, the letter represents a group, and the number represents the number of the line group; one end of the cable core wire is an A end, the other end of the cable core wire is a B end, the identification mark is marked by the A end of the cable core wire, and the number is underlined.

The adjacent and mutually inverted identification mark spacing d is 10mm-50mm.

The insulation layer of the wire core outer skin adopts a solid polyethylene structure, the insulation thickness is 0.6+/-0.1 mm, the nominal diameter of a conductor is 1.0mm, and the character height of the identification mark is 1-11 mm.

The identification mark on the wire core outer skin is printed on the surface of the cable wire core product by using the ink jet printer, and the automatic wire core product has high degree of automation and is convenient to operate.

The signal cable with the core wire provided with the identification mark has the beneficial effects that:

1) The production efficiency of the cable is improved,

the railway signal cable core wire is produced by a wire drawing-extrusion molding serial line integrated machine, the production speed is 400-450 m/min, the identification mark added by the wire core is realized in an insulating single wire process, after the wire drawing-extrusion molding serial line is dried, the insulating layer is completely cooled and shaped, a high-speed code spraying machine is adopted for digital identification spray printing, and the spray printing mark is clear, aging-resistant and durable and does not damage the insulating layer; the speed of the high-speed cable ink jet printer is 1000m/min, and the jet printing resolution reaches 115dpi;

2) The efficiency of the identification of the cable is improved,

when the cable is connected, the digital code on each core wire can be rapidly identified at the end A and the end B of the cable;

3) A plurality of groups of identification,

the identification mark is a letter and a number, the letter represents the group, and the number represents the line group number; according to the identification mark cable, multiple groups can be identified simultaneously, corresponding cable cores are directly connected, connection is convenient and rapid, working efficiency is high, wiring quality and accuracy are also greatly improved, and convenience is provided for construction site users;

4) The cable stranding structure can be changed according to actual needs, and the cable process requirements are met.

Compared with the traditional number belt, the number belt is used as a medium and is respectively added into the corresponding wire groups when the wire groups are twisted, so that only the wire group identification can be realized, and due to the existence of the medium, the number belt identification is adopted, and the electric performance indexes of the signal cable, such as working capacitance, attenuation, impedance, phase angle and the like, are influenced, and the wire core surface identification can not influence the electric performance indexes of the cable.

With the continuous development and progress of the code spraying technology, the high-speed code spraying equipment can completely meet the requirement of spraying marks on the surface of the fine wire core, and the marks are strong in adhesive force, migration resistant, quick-drying, ultraviolet resistant, oil stain resistant, suitable for a humid environment, vulcanization resistant and capable of meeting the technological requirements of cables; compared with the number belt, the surface mark of the wire core is realized at the same time in the wire core production process, the production efficiency is high, the production speed of the wire core is generally (400-500) m/min, and the twisting speed of the wire group is generally (100-200) m/min.

Because the signal cable core comprises four wire groups, two wire groups and an additional single wire, the signal cable core is of a cable core structure in which a plurality of wire groups coexist, if a number belt is adopted, whether a wire core with a certain color is in the four wire groups, the four wire groups or the additional single wire is not recognized; the position of each wire core can be rapidly and accurately identified by adopting the wire core surface identification (letter + number, representing group + group number), and the number belt is only suitable for the situation that only one wire group exists in the cable core, for example, all the wire groups or all the four-wire groups or all the added wires, if the cable core is in the coexistence of several wire groups, the position of the wire core with a certain color can not be identified, so that the application range of the wire core surface identification is wider.

Drawings

FIG. 1 is a schematic diagram of a red four-wire set structure;

FIG. 2 is a schematic view of a green four-wire set structure;

FIG. 3 is a schematic diagram of a red pair of wire sets;

FIG. 4 is a schematic view of a green pair of wire sets;

FIG. 5 is a schematic diagram of a single line structure;

FIG. 6 is a spacing of two sets of identification tags;

FIG. 7 is a schematic diagram of a signal cable four-wire set A-terminal wire arrangement (16 cores 4×4 diagram);

FIG. 8 is a schematic diagram of a four-wire set A-terminal group ordering of signal cables (56 cores 14×4);

in the figure: 1-metal conductor core, 2-core sheath, 3-cable core, 4-mark I and 5-mark II;

FIG. 9 is a diagram of a four-wire set A-terminal line sequence; the four-wire group A end is arranged in a clockwise direction to be red, green, white and blue; red, green, white and blue, wherein 4 metal conductor cores with different colors are twisted, red-white is a working pair, and blue-green is a working pair;

9 a-copper conductor, 9 b-white insulation layer in the figure;

FIG. 10 is a diagram of the end group sequence of the cable core A, 37 cores (7×4+3×2+3); the arrangement of the end groups of the cable core A is red, green, white, blue and white in the clockwise direction; the four-wire twisting device is formed by twisting 7 four-wire groups of red, green, white, blue and white, 3 pairs of red/white, green/white and blue/green and 3 additive single wires of red, green and white;

10 a-four-wire red set, 10 b-pair green-white, 10 c-single-line green in the figure;

FIG. 11 is a diagram of a four-wire-set B-terminal line sequence; the four-wire group B end line sequence is arranged in the clockwise direction to be red, blue, white and green;

11 a-copper conductor, 11 b-white insulation layer in the figure;

FIG. 12 is a diagram of the B-end group sequence of the cable core; 37 cores (7×4+3×2+3); the B end group of the cable core is arranged in a clockwise direction to be red, white, blue, white and green; the four-wire twisting device is formed by twisting 7 four-wire groups of red, white, blue, white and green, 3 pairs of red/white, blue/green and green/white and 3 additive single wires of red, green and white;

in the figure, the 12 a-four-wire red set, the 12 b-pair blue-green set, and the 12 c-single line white.

Detailed Description

Example 1

As shown in fig. 1, 2 and 3, the signal cable with the marks on the core wire comprises a metal conductor core 1 and a cable core wire 3 formed by sleeving a core wire sheath 2 outside the metal conductor core, wherein the cable core wire 3 comprises two marks which are used for identifying the signal cable, and the two marks are a mark one 4 and a mark two 5 respectively;

the first mark 4 is the color of the wire core sheath 2;

the second mark 5 is an identification mark arranged on the wire core sheath 2; the signatures repeatedly appear at equal intervals along the core skin 2, with two adjacent sets of signatures being inverted with respect to each other.

The wire core outer skin 2 is an insulating layer.

The identification mark is a letter and a number, the letter represents a group, and the number represents the number of the line group; the end of the cable core 3 is an end A, the other end is an end B, the identification mark is marked by the beginning of the end A of the cable core 3, and the number is underlined.

The adjacent and mutually inverted identification mark spacing d is 50mm.

The insulation layer of the wire core sheath 2 adopts a solid polyethylene structure, the insulation thickness is 0.6+/-0.1 mm, the nominal diameter of a conductor is 1.0mm, and the character height of the identification mark is 5mm.

Four-wire set identification flag: adopting letters and numbers, wherein the letter representation group is a four-wire group, and the letter representation group is represented by Q; the numbers represent the group numbers, and are arranged according to the group sequence of the end A of the cable core, wherein '1' represents a red four-wire group, '2' represents a green four-wire group, '3' represents a blue four-wire group, and '4' represents a white four-wire group; the maximum number of four-wire sets of signal cables can be set to 14 sets as shown in fig. 1 and 2.

When the field construction is continued, the wire cores corresponding to the wire numbers are directly continued at the two ends of A, B respectively, an operator is not required to group the wire cores of each color, the number is repeatedly confirmed, and the signal cable with the identification mark is adopted for accurate connection, high operation efficiency, convenience and rapidness are realized, and the field construction of a user is greatly facilitated.

Example 2

The signal cable with the core wire provided with the identification mark is shown in fig. 3 and 4; the structure is as in example 1; the adjacent and mutually inverted identification mark spacing d is 50mm.

The insulation layer of the wire core sheath 2 adopts a solid polyethylene structure, the insulation thickness is 0.6+/-0.1 mm, the nominal diameter of a conductor is 1.0mm, and the character height of the identification mark is 11mm.

Identification mark of the alignment group: the letter and the number are adopted, the letter expression group is a pair of line groups, and the letter expression group is expressed by 'T'; the numbers represent the number of line groups, and are arranged according to the end group sequence of the cable core A, wherein '1' represents the red/white line group, '2' represents the green/white line group, '3' represents the blue/green line group, '4' represents the blue/white line group, and the total number of the signal cable line and the line group is 4.

When the on-site construction is continued, the wire cores corresponding to the wire numbers can be directly continued at the end A and the end B respectively, an operator is not required to group the wire cores of each color, the number is repeatedly confirmed, and the signal cable with the identification mark is adopted for accurate connection, high operation efficiency, convenience and rapidness and great convenience are brought to the on-site construction of users.

Example 3

The signal cable with the core wire provided with the identification mark is shown in fig. 5 and 6; the structure is as in example 1; the adjacent and mutually inverted identification mark spacing d is 50mm.

The insulation layer of the wire core sheath 2 adopts a solid polyethylene structure, the insulation thickness is 0.6+/-0.1 mm, the nominal diameter of a conductor is 1.0mm, and the character height of the identification mark is 10mm.

Single line number identification mark: the single wires are sequentially indicated by '1', '2', '3', '4' according to the order of the end groups of the cable core A by adopting the numerical representation.

When the field construction is continued, the wire cores corresponding to the wire numbers can be directly continued at the two ends of A, B respectively, an operator is not required to group the wire cores of each color, the number is repeatedly confirmed, and the signal cable with the identification mark is adopted for accurate connection, high operation efficiency, convenience and quickness are realized, so that the field construction of a user is greatly facilitated.

Example 4

The signal cable with the core wire provided with the identification mark is shown in fig. 7 and 8; the structure is as in example 1; the adjacent and mutually inverted identification mark spacing d is 50mm.

The insulation layer of the wire core sheath 2 adopts a solid polyethylene structure, the insulation thickness is 0.6+/-0.1 mm, the nominal diameter of a conductor is 1.0mm, and the character height of the identification mark is 3mm.

The integrated axial cable consists of a single wire, a pair of wires, a three-wire set and a four-wire set, and is respectively marked and represented according to two marks contained in the cable core wire 3.

When in field construction connection, the wire cores with corresponding wire numbers are directly connected at the two ends of A, B respectively.

Claims (5)

1. The utility model provides a signal cable that heart yearn has identification mark, includes metal conductor sinle silk (1) and outside cover establishes sinle silk crust (2) and constitutes cable core (3), its characterized in that: the cable core wire (3) comprises two marks, wherein the marks are used for identifying signal cables, and the two marks are a mark one (4) and a mark two (5) respectively;

the first mark (4) is the color of the wire core sheath (2);

the second mark (5) is an identification mark arranged on the wire core sheath (2); the signatures repeatedly appear at equal intervals along the core skin (2), with two adjacent sets of signatures being inverted with respect to each other.

2. A signal cable having a core with an identification mark as claimed in claim 1, wherein: the wire core outer skin (2) is an insulating layer.

3. A signal cable having a core with an identification mark as claimed in claim 2, wherein: the identification mark is a letter and a number, the letter represents a group, and the number represents the number of the line group; one end of the cable core wire (3) is an A end, the other end of the cable core wire is a B end, the identification mark is marked by the A end of the cable core wire (3) and is provided with an underline by numbers.

4. A signal cable having a core with an identification tag as claimed in claim 3, wherein: the adjacent and mutually inverted identification mark spacing d is 10mm-50mm.

5. A signal cable having a core with an identification mark as claimed in claim 2, wherein: the insulation layer of the wire core sheath (2) adopts a solid polyethylene structure, the insulation thickness is 0.6+/-0.1 mm, the nominal diameter of a conductor is 1.0mm, and the character height of the identification mark is 1-11 mm.