CN223501588U - A high tensile spring video transmission signal cable - Google Patents

Abstract

The utility model relates to the technical field of cables and discloses a high-tensile spring video transmission signal cable which comprises a conductor, an insulating layer, a shielding layer, a filler, a protective layer, a braided shielding layer and a sheath layer, wherein the conductor is coated by the insulating layer to form an insulating core wire, a plurality of insulating core wires are twisted to form a grouping cable core, the filler and part of insulating core wires are twisted to form a cable core, the cable core is sequentially coated with the protective layer, the braided shielding layer and the sheath layer, the whole cable is subjected to high-temperature spring treatment to form a spring cable, and the spring cable is formed by twisting silver-plated copper alloy monofilaments and high-strength fibers such as aramid fibers, and the high-strength fibers are filled, so that the tensile strength and the wear resistance of the cable are remarkably improved, the cable can bear repeated bending and stretching under severe environments, the service life is prolonged, and the long-term outdoor repeated stretching rebound environment is met.

Description

High tensile spring video transmission signal cable

Technical Field

The utility model relates to the technical field of cables, in particular to a high-tensile spring video transmission signal cable.

Background

The spiral cable, also called spring cable or slingshot wire, is a kind of wire cable widely used in multiple industries, the spiral cable is a straight wire cable formed by twisting one or several groups of insulated wires, after specific technological treatment, the spiral cable is winded on a metal core rod to form a spiral state, because of its good flexibility and elasticity, the spiral cable has wide application in multiple industries, when used in field helmets and video equipment current, the cable often needs repeated bending and stretching, resulting in poor electrical stability and affecting information transmission, so a high tensile spring video transmission signal cable is proposed to solve the above-mentioned problem.

Disclosure of utility model

The utility model aims at solving at least one of the technical problems in the prior art, and therefore, the utility model provides a high-tensile spring video transmission signal cable which comprises a conductor, an insulating layer, a shielding layer, a filler, a protective layer, a woven shielding layer and a sheath layer, wherein the conductor is coated by the insulating layer to form an insulating core wire, a plurality of insulating core wires are twisted to form a grouping cable core, the filler and part of insulating core wires are twisted to form a cable core, the cable core is sequentially coated with the protective layer, the woven shielding layer and the sheath layer, and the whole cable is subjected to high-temperature spring treatment to form a spring cable.

Further, the conductor is a high-strength silver-plated composite conductor and is formed by stranding silver-plated copper alloy monofilaments and high-strength fibers.

Further, the high strength fiber is an aramid fiber.

Further, the shielding layer comprises an aluminum foil wrapping shielding layer, and the aluminum foil wrapping shielding layer is coated outside the grouping cable core.

Further, the aluminum foil wrapping shielding layer is made of a double-sided polyester aluminum plastic composite belt.

Further, the filler is high-strength fiber filler, in particular para-aramid fiber filaments.

Further, the protective layer is a wrapping protective layer and is formed by wrapping a polyester belt.

Further, the braided shielding layer is a tinned braided shielding layer, and is formed by braiding tinned round copper wires, and the braiding density reaches more than percent.

Further, the sheath layer is formed by extruding polyether polyurethane elastomer materials, and the whole cable is formed into the spring cable through high-temperature spring treatment after the sheath layer is extruded.

The high-strength silver-plated composite conductor is formed by twisting silver-plated copper alloy monofilaments and high-strength fibers such as aramid fibers, and the high-strength fibers are filled, so that the tensile strength and the wear resistance of the cable are remarkably improved, the cable can bear repeated bending and stretching under severe environments, the service life is prolonged, the cable can work under the environment of long-term outdoor repeated stretching rebound, the insulation layer is made of a foaming FEP material, the cable has excellent electrical performance and low loss characteristics, stable transmission of video signals is guaranteed, and meanwhile, the arrangement of the aluminum foil wrapping shielding layer and the tinning braiding shielding layer further reduces signal interference and attenuation and improves the quality of signal transmission.

Drawings

FIG. 1 is a schematic view of the whole of the present utility model.

Wherein, 1, conductor, 2, insulating layer, 3, insulating core wire, 4, shielding layer, 5, filler, 6, protective layer, 7, braided shielding layer, 8, sheath layer.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, or indirectly connected through an intermediary, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the embodiment, given by fig. 1, a high tensile spring video transmission signal cable, including, conductor 1, insulating layer 2, shielding layer 4, filler 5, inoxidizing coating 6, braided shielding layer 7 and restrictive coating 8, wherein conductor 1 is by insulating layer 2 cladding formation insulating core 3, many insulating core 3 transposition forms the group cable core, group cable core and filler 5, partly insulating core 3 hank becomes the cable core, the cable core is outside cladding has inoxidizing coating 6 in proper order, braided shielding layer 7 and restrictive coating 8, and the cable is whole to be formed the spring cable through high temperature spring processing, conductor 1 is as the carrier of signal, can transmit video information by high efficiency, conductor 1 is closely wrapped by insulating layer 2, form insulating core 3, not only guaranteed the electric isolation between the conductor, prevent signal interference, still provide the physical protection to the conductor, the durability and the security of cable have increased, inoxidizing coating 6 and braided shielding layer 7 that the cable core is outside cladding in proper order, effectively prevented outside electromagnetic interference and physical harm, this high tensile spring video transmission signal cable, high tensile strength composite cable adopts high tension alloy and aramid fiber cable, the bending resistance performance is greatly improved by 15000, the cable is high-level, its bending resistance performance is reached by high-order, and is more resistant to bending resistance. The foaming FEP insulation is adopted, the foaming degree is kept at about 25%, the dielectric constant is lower, the foaming FEP insulation is matched with the impedance requirement on the premise of reducing the outer diameter, and the transmission of video signals under 500MHz is ensured. The high-strength aramid fiber is adopted for filling, so that the tensile property of the cable is greatly improved, the maximum breaking force can meet 1000N or more, and the polyurethane elastomer material has the properties of high mechanical strength, wear resistance, mold resistance and the like, and can meet the field operation environment requirements.

Referring to fig. 1, a conductor 1 is a high-strength silver-plated composite conductor, and is formed by stranding silver-plated copper alloy monofilaments and high-strength fibers, wherein the high-strength fibers are aramid fibers;

Through the structure, the silver-plated copper alloy monofilament is used as a core part of the conductor, has excellent conductive performance, can efficiently and stably transmit video signals or other electric signals, and the silver plating layer further enhances the conductivity and oxidation resistance of the conductor, ensures the quality of the signals in the transmission process, ensures that the high-strength aramid fiber and the silver-plated copper alloy monofilament are stranded together, and remarkably improves the tensile strength and fatigue resistance of the conductor.

Referring to fig. 1, wherein the insulating layer 2 is a foamed insulating layer, and the material is foamed FEP;

through the structure, the foaming FEP has excellent insulating performance, can effectively isolate a conductor from the external environment, and prevents current leakage and short circuit.

Referring to fig. 1, the shielding layer 4 comprises an aluminum foil wrapping shielding layer, and the aluminum foil wrapping shielding layer is coated outside the grouping cable core;

through the arrangement of the structure, the aluminum foil wrapping shielding layer is tightly wrapped outside the grouping cable core, so that a continuous metal barrier is formed, the interference of an external electromagnetic field can be effectively blocked, the influence of the interference on internal signal transmission is prevented, meanwhile, the external leakage of internal signals can be prevented, and the confidentiality and the integrity of the signals are ensured.

Referring to fig. 1, wherein an aluminum foil wrapping shielding layer is made of a double-sided polyester aluminum plastic composite belt;

Referring to fig. 1, wherein the filler 5 is a high-strength fiber filler, specifically para-aramid fiber filament;

Through the structure, the para-aramid fiber filaments are used as the filler, can be tightly filled in the cable core of the cable, provide stable structural support for the cable, are favorable for keeping the circular section of the cable, and prevent the cable core from deforming or twisting in the bending or stretching process, thereby ensuring stable transmission of signals.

Referring to fig. 1, the protective layer 6 is a wrapping protective layer and is formed by wrapping a polyester tape;

Through above-mentioned structure setting, the polyester area has played buffering and isolation's effect in the cable around the covering, and when the cable received outside to strike or extrude, the polyester area can absorb partial impact force, and inside cable core and insulating layer are protected not receive the damage, and it can also keep apart outside moisture, harmful substance such as greasy dirt simultaneously, prevents that it from invading inside the cable, influences the performance and the life of cable.

Referring to fig. 1, the braided shielding layer 7 is a tin-plated braided shielding layer, and is formed by braiding tin-plated round copper wires, wherein the braiding density reaches more than 85%;

Through the structure, the shielding layer formed by braiding the tinned round copper wires has excellent conductive performance, and can effectively limit electromagnetic waves in the cable to prevent the electromagnetic waves from radiating outwards or being interfered by external electromagnetic waves.

Referring to fig. 1, the sheath layer 8 is extruded from polyether polyurethane elastomer material, and the whole cable is formed into a spring cable through high-temperature spring treatment after the sheath layer 8 is extruded.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A high tensile spring video transmission signal cable, characterized in that: it comprises a conductor (1), an insulation layer (2), a shielding layer (4), a filler (5), a protective layer (6), a braided shielding layer (7), and a sheath layer (8), wherein the conductor (1) is covered by the insulation layer (2) to form an insulated core wire (3), multiple insulated core wires (3) are twisted together to form a grouped cable core, the grouped cable core is twisted together with the filler (5) and some of the insulated core wires (3) to form a cable core, the cable core is covered by the protective layer (6), the braided shielding layer (7), and the sheath layer (8) in sequence, and the cable as a whole is subjected to high temperature springing treatment to form a spring cable. 2. The high tensile strength spring video transmission signal cable according to claim 1, characterized in that: the conductor (1) is a high-strength silver-plated composite conductor, which is made of silver-plated copper alloy monofilament twisted with high-strength fiber. 3. The high tensile strength spring video transmission signal cable according to claim 2, wherein the high-strength fiber is aramid fiber. 4. The high tensile strength spring video transmission signal cable according to claim 1, characterized in that: the insulation layer (2) is a foamed insulation layer, and the material is foamed FEP. 5. A high tensile spring video transmission signal cable according to claim 1, characterized in that: the shielding layer (4) includes an aluminum foil wrapped shielding layer, which covers the outside of the grouped cable core. 6. The high tensile strength spring video transmission signal cable according to claim 5, characterized in that: the aluminum foil wrapping shielding layer is made of double-sided polyester aluminum-plastic composite tape. 7. A high tensile spring video transmission signal cable according to claim 1, characterized in that: the filler (5) is a high-strength fiber filler, specifically para-aramid fiber filament. 8. A high tensile spring video transmission signal cable according to claim 1, characterized in that: the protective layer (6) is a wrapped protective layer, which is made of polyester tape. 9. A high tensile strength spring video transmission signal cable according to claim 1, characterized in that: the braided shielding layer (7) is a tin-plated braided shielding layer, which is braided with tin-plated round copper wire and the braiding density reaches more than 85%. 10. A high tensile strength spring video transmission signal cable according to claim 1, characterized in that: the sheath layer (8) is extruded from polyether-type polyurethane elastomer material, and the entire cable is formed into a spring cable by high-temperature springing treatment after extruding the sheath layer (8).