CN211788327U - Composite cable for equipment connection - Google Patents

Abstract

The utility model discloses a composite cable is used in equipment connection relates to wire and cable's technical field. The utility model comprises a sheath layer, transmission lines and filling pieces are tightly wrapped inside the sheath layer, the transmission lines comprise three power transmission lines and an information transmission line, the outer diameters of the power transmission lines and the information transmission line are equal, the transmission lines are mutually clung to each other two by two and are evenly distributed around the central axis of the sheath layer to form a middle cavity, and the filling pieces are filled in the cavity and clung to the transmission lines around; the power transmission line comprises a conductor and an insulating layer wrapped outside the conductor, the information transmission line comprises a first shielding layer, four groups of non-shielding line groups which are uniformly arranged around a central shaft and are mutually attached are tightly wrapped in the first shielding layer, and a second shielding layer is tightly wrapped on the periphery of each group of non-shielding line groups. The utility model discloses be applied to the connection between equipment and the controller, solved that the wiring is mixed and disorderly, crosstalk mutually between the transmission line, the unstable technical problem of cable inner structure.

Description

Composite cable for equipment connection

Technical Field

The utility model relates to a wire and cable's technical field, concretely relates to composite cable is used in equipment connection.

Background

At present, most of devices are increasingly digitized, which requires information transmission between the devices and a controller in addition to power transmission, and a network cable is generally adopted as an information transmission way for facilitating reading of device parameters and information. Most of the existing devices use network cables independently, especially household computers or small devices, and when the devices are installed and connected, a plurality of transmission lines need to be connected, so that the problems that the wiring of the devices is disordered, the normal operation of the devices is influenced, and the use of users is inconvenient are caused. If only the required electric wire and the network cable are integrated, the electric wire and the network cable are often attached for use, and the stable extension of the transmission line cannot be ensured at the bent corner, so that crosstalk is easily caused, and information transmission fails.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a composite cable for equipment connection. The utility model discloses a composite cable arranges rationally, has integrated the transmission of electric power and information, conveniently is applied to the connection between equipment and the controller, has solved that the wiring is mixed and disorderly, crosstalk mutually between the transmission line, the unstable technical problem of cable inner structure.

The utility model discloses a composite cable for equipment connection, including the restrictive coating, transmission line and filler are closely wrapped up in the restrictive coating, the transmission line includes three power transmission lines and an information transmission line, the transmission line hugs closely each other between two pairs and evenly arranges around the center axis of restrictive coating and forms the cavity in the middle part, the filler is filled in the cavity and hugs closely the transmission line all around; the power transmission line comprises a conductor and an insulating layer wrapped outside the conductor, the information transmission line comprises a first shielding layer, four groups of non-shielding line groups which are uniformly arranged around a central shaft and are mutually attached are tightly wrapped in the first shielding layer, and a second shielding layer is tightly wrapped on the periphery of each group of non-shielding line groups.

Preferably, the information transmission line is a network cable with performance of more than six types of lines.

Preferably, the non-shielding wire group is two copper core wires twisted with each other, and each copper core wire comprises a copper core and an insulating sleeve wrapped outside the copper core.

Preferably, the second shielding layer is made of an aluminum-plastic composite tape.

Preferably, the first shielding layer is woven by tinned copper wires, the weaving density of the first shielding layer is greater than or equal to 65%, and insulating materials are covered on the inner surface and the outer surface of the first shielding layer.

Preferably, the material of the filling member is a PP rope.

Preferably, the conductor is a soft copper conductor.

Preferably, the sheath layer and the insulating layer are both made of soft polyvinyl chloride.

Preferably, the core of the power transmission line is 2-5 cores.

A composite cable for equipment connection, its advantage lies in:

1. the utility model discloses it is reasonable neat to lay wire, and structure simple to operate is convenient for, and the site management of being convenient for and the connection between the equipment, the structure of information transmission line moreover can prevent the high-efficient crosstalk that produces when carrying electric power of electric power transmission line, and the structural arrangement of electric power transmission line and information transmission line can be more stable, and the local of the crooked corner of especially cable can guarantee that the structure is difficult loose.

2. The transmission line configuration in every cable is three power transmission lines and an information transmission line, its cable inner core that closely laminates and constitutes is more stable, and because four transmission line external diameters are unanimous, can form outward flange shape, it is close to cylindricly more, make things convenient for the cover of restrictive coating tight, and the effect of restrictive coating cooperation filling member, can further fix the position of four transmission lines, even crooked or tensile cable when using, its inside position is difficult to change, reduce the emergence of the condition such as inside fracture, and guarantee that three power transmission lines and an information transmission line all are in relative position, make first shielding layer and second shielding layer homoenergetic best effect, prevent that the influence of power transmission line to information transmission line is inhomogeneous or even crosstalk.

3. The utility model discloses an information transmission line has double-deck shielding layer protection, provides the guarantee of anti-crosstalk, and first shielding layer adopts the tinned copper wire to compile in addition, can prevent that insulating material on it is tacky, and the second shielding layer adopts the compound area of plastic-aluminum, can provide reliable protection against the tide, shielding and chemical protection layer to can closely wrap up the irregular appearance that two copper core wires of mutual transposition formed, and the filling member is the PP rope, can effectively increase frictional force, further provide the location of transmission line.

4. Because the wiring arrangement is reasonable fixed easily, the utility model discloses an each part uses comparatively mild material to make, also can make the position change of transmission line not big, uses mild material to have better pliability moreover, makes things convenient for wiring modes such as the bending of whole cable, extension, is difficult for causing inside to break and influence the quality.

Drawings

Fig. 1 is a schematic structural diagram of a composite cable for equipment connection according to the present invention.

Description of reference numerals: 1-sheath layer, 3-filling member, 4-electric power transmission line, 41-conductor, 42-insulator, 5-information transmission line, 51-first shielding layer, 52-second shielding layer, 53-copper core wire.

Detailed Description

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application.

As shown in fig. 1, the composite cable for equipment connection according to the present invention comprises a sheath layer 1, wherein a transmission line and a filler 3 are tightly wrapped inside the sheath layer 1, the transmission line comprises three power transmission lines 4 and an information transmission line 5, the transmission lines are tightly attached to each other two by two and are uniformly arranged around a central axis of the sheath layer 1 to form a middle cavity, and the filler 3 is filled in the cavity and tightly attached to the transmission lines around the cavity; the power transmission line 4 comprises a conductor 41 and an insulating layer 42 wrapped outside the conductor 41, the information transmission line 5 comprises a first shielding layer 51, four groups of non-shielding line groups which are uniformly arranged around a central axis and are closely attached to each other are tightly wrapped in the first shielding layer 51, and a second shielding layer 52 is tightly wrapped on the periphery of each group of non-shielding line groups. The utility model discloses it is reasonable neat to lay wire, and structure simple to operate is convenient for, the connection between site management and the equipment of being convenient for, and the structure of information transmission line 5 can prevent the crosstalk that produces when 4 high-efficient electric power transmission of electric power transmission line, and the structural arrangement of electric power transmission line 5 and information transmission line 4 can be more stable, and the difficult loose of structure can be guaranteed in the place of the crooked corner of especially cable.

The transmission lines in each cable are configured into three power transmission lines 4 and one information transmission line 5, the cable inner core formed by tightly attaching the transmission lines is more stable, the outer edge shape can be formed due to the fact that the outer diameters of the four transmission lines are consistent, the outer edge shape is closer to a cylindrical shape, the sheathing layer 1 is convenient to sleeve tightly, the sheathing layer 1 is matched with the filling piece 3, the positions of the four transmission lines can be further fixed, even if the cable is bent or stretched in use, the position inside the cable is not prone to change, the situations such as internal fracture are reduced, the three power transmission lines 4 and the information transmission line 5 are guaranteed to be located at opposite positions, the first shielding layer 51 and the second shielding layer 52 can both play the best effect, and the phenomenon that the influence of the power transmission lines 4 on the information transmission lines 5 is uneven and even crosstalk.

In this embodiment, the information transmission line 5 is a network line with a performance of six or more types of lines, and is mainly applied to a system of an intelligent building or an intelligent home, and the highest transmission bandwidth of the information transmission line can reach 250MHz, and can stably transmit a gigabit ethernet network. The unshielded wire group is two copper core wires 53 twisted with each other, and the copper core wires 53 comprise copper cores and insulating sleeves wrapped outside the copper cores. The interior of the cylindrical information transmission line 5 is divided into four cavities by the first shielding layer 51, and four groups of non-shielding line sets are respectively arranged in the four cavities, so that enough space is left between the four groups of non-shielding line sets, the four groups of non-shielding line sets are isolated, and the problem of crosstalk between the non-shielding line sets is solved. During manufacturing, the insulation sleeve is extruded by the plastic extruding machine and can directly and tightly wrap the copper core conducting wire 53.

The information transmission line 5 of the utility model has double-layer shielding layer protection, provides crosstalk prevention guarantee, and the first shielding layer 51 is woven by tinned copper wires, the weaving density is not less than 65%, the inner surface and the outer surface of the first shielding layer 51 are covered with insulating materials, the tinned copper wires can prevent the insulating materials on the tinned copper wires from being sticky, and has good shielding effect; the second shielding layer adopts an aluminum-plastic composite tape, can provide reliable moisture-proof, shielding and chemical protective layers, and can tightly wrap an irregular shape formed by two copper core wires which are twisted with each other. The material of filler 3 is the PP rope, can effectively increase frictional force, and cooperation restrictive coating 1 further provides the location of transmission line. The conductor 41 is a soft copper conductor, for example, a fifth soft conductor specified in GB/T3956-2008 is manufactured by drawing, bundling, and multiple twisting, and is applicable to a flexible cable and cord, and also applicable to fixed laying. The sheath layer 1 and the insulating layer 42 are both made of soft polyvinyl chloride. In the manufacturing process, the insulating layer 42 is extruded by an extruder and coated on the conductor 42, and the same process is used for the sheath layer 1. The core of the power transmission line 4 is 2-5 cores. Because the wiring arrangement is reasonable fixed easily, the utility model discloses an each part uses comparatively mild material to make, also can make the position change of transmission line not big, uses mild material to have better pliability moreover, makes things convenient for wiring modes such as the bending of whole cable, extension, is difficult for causing inside to break and influence the quality.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (9)

1. A composite cable for equipment connection comprises a sheath layer (1), wherein a transmission line and a filling piece (3) are tightly wrapped in the sheath layer (1), and the composite cable is characterized in that the transmission line comprises three power transmission lines (4) and an information transmission line (5), the transmission lines are tightly attached to each other in pairs and uniformly distributed around a central shaft of the sheath layer (1) to form a middle cavity, and the filling piece (3) is filled in the cavity and tightly attached to the transmission lines on the periphery; the power transmission line (4) comprises a conductor (41) and an insulating layer (42) wrapped outside the conductor (41), the information transmission line (5) comprises a first shielding layer (51), four groups of non-shielding line groups which are uniformly arranged around a central shaft and are tightly attached to each other are tightly wrapped in the first shielding layer (51), and a second shielding layer (52) is tightly wrapped on the periphery of each group of non-shielding line groups.

2. The composite cable for connecting equipment as claimed in claim 1, wherein said information transmission line (5) is a mesh line having a performance of six or more types.

3. The composite cable for connecting equipment according to claim 1 or 2, wherein the unshielded wire group comprises two copper core wires (53) twisted with each other, and the copper core wires (53) comprise a copper core and an insulating sheath wrapped outside the copper core.

4. The composite cable for equipment connection according to claim 3, wherein the second shielding layer (52) is made of an aluminum-plastic composite tape.

5. The composite cable for equipment connection according to claim 1, 2 or 4, wherein the first shielding layer (51) is braided by tinned copper wires, the braiding density is greater than or equal to 65%, and the inner and outer surfaces of the first shielding layer (51) are covered with insulating materials.

6. The composite cable for equipment connection according to claim 1, wherein the filler (3) is made of a PP cord.

7. A composite cable for equipment connection according to claim 1, characterized in that said conductor (41) is a soft copper conductor.

8. The composite cable for connecting equipment as claimed in claim 1, wherein the sheath layer (1) and the insulating layer (42) are made of soft polyvinyl chloride.

9. The composite cable for connecting equipment according to claim 1, wherein the core of the power transmission line (4) is 2-5 cores.

Images