阅读说明：本技术 可挠抗干扰集成线缆 (Flexible anti-interference integrated cable ) 是由 毛以阳 毛以勇 于 2020-12-31 设计创作，主要内容包括：本发明涉及一种可挠抗干扰集成线缆,包括输电线缆、信号线缆和包裹层,输电线缆和信号线缆平行固定成一束设置在包裹层内,输电线缆设置在径向中心位置和径向中心外围的局部位置,信号线缆设置在输电线缆外围,本发明具有抗电磁干扰强的优点。(The invention relates to a flexible anti-interference integrated cable which comprises a power transmission cable, a signal cable and a wrapping layer, wherein the power transmission cable and the signal cable are fixed in parallel into a bundle and are arranged in the wrapping layer, the power transmission cable is arranged at a radial center position and a local position on the periphery of the radial center, and the signal cable is arranged on the periphery of the power transmission cable.)

1. A flexible anti-interference integrated cable is characterized by comprising a power transmission cable, a signal cable and a wrapping layer, wherein the power transmission cable and the signal cable are fixed in parallel to form a bundle and are arranged in the wrapping layer, the power transmission cable is arranged at a radial central position and a local position at the periphery of the radial center, the signal cable is arranged at the periphery of the power transmission cable,

the power transmission cable is a power cable for transmitting power,

the signal cable is a cable for transmitting analog signals or digital signals,

the wrapping layer is an object wrapping the power transmission cable and the signal cable.

2. The flexible tamper resistant integrated cable of claim 1, wherein the power cables include a central power cable disposed radially in a center and a peripheral power cable disposed peripherally to the central power cable, the peripheral power cable including a plurality of sub-peripheral power cables, the signal cable including a plurality of sub-signal cables, the central power cable including a plurality of sub-central power cables, the plurality of sub-central power cables being bundled together by a binder material, i.e., the plurality of sub-central power cables being bundled together by a binder material into the central power cable.

3. The flexible tamper resistant integrated cable of claim 2, wherein the sub-signal cables are disposed around the center power cable, the sub-peripheral power cables are disposed around the power cable, the sub-signal cables and the sub-peripheral power cables are disposed around the center power cable in an interleaved manner, the sub-signal cables including but not limited to: the coaxial cable comprises an inner conductor and a coaxial outer conductor which are separated by a medium.

4. A flexible tamper resistant integrated cable according to claim 3, wherein said coaxial cable, said sub-peripheral power transmission cable and said non-coaxial cable are arranged in a circular arrangement in that order around said central cable, with said sub-peripheral power transmission cable being spaced between said coaxial cable and said non-coaxial cable.

5. A flexible tamper resistant integrated cable according to claim 3, wherein a sub-signal cable electromagnetic shield layer is disposed around said sub-signal cable.

6. The flexible tamper resistant integrated cable of claim 5, wherein the sub-signal cable electromagnetic shield layer has an inner sub-signal cable isolation layer, a conductive sub-signal cable layer, and an outer sub-signal cable isolation layer, the inner sub-signal cable isolation layer, the conductive sub-signal cable layer, and the outer sub-signal cable isolation layer being disposed in order from inside to outside.

7. A flexible tamper resistant integrated cable according to claim 1, wherein said wrapping layer comprises an inner insulation layer, a conductive layer and an outer insulation layer, said inner insulation layer, said conductive layer and said outer insulation layer being arranged in sequence from the inside to the outside, said conductive layer including but not limited to: metal mesh, metal sheet, metal hose.

8. The flexible tamper resistant integrated cable of claim 1, wherein the power transmission cable is a direct current power frequency power transmission cable, and wherein the voltage of the power transmission cable is less than 36V.

9. A flexible tamper resistant integrated cable according to claim 1, wherein the flexible tamper resistant integrated cable is integrally coiled into a spiral shape.

10. A flexible tamper resistant integrated cable according to claim 9, wherein said helix diameter is greater than 10 cm.

Technical Field

The invention relates to a cable, in particular to a flexible anti-interference integrated cable.

Background

With the development of new energy automobile industry in China, various types of new energy automobiles are continuously released. The new energy automobile is full electric vehicle, and it compares than traditional diesel locomotive, and its function is abundanter, and the use amount of electrical part is greatly increased also, consequently, new energy vehicle's whole car cable's rate of utilization greatly increased, various types, the cable of various functions is more, and the cable is more mixed and disorderly, also more easily destroys, and the arrangement is maintained very inconveniently. Moreover, circuits are more and more complex, interference among the circuits, interference coupling, surge and other interference are enhanced, most of existing cables are poor in anti-interference performance and cannot meet the requirements of existing new energy vehicles, normal operation of electronic devices of the new energy vehicles is further influenced, especially signal transmission of a reversing image and a panoramic camera is greatly interfered, especially the existing high-definition cameras are more and more applied, and the problem of electromagnetic interference in the signal transmission process is particularly serious. Therefore, it is desirable to provide a new energy vehicle integrated cable that integrates cables with various functions and is resistant to interference, so as to solve the above problems in the background art.

Disclosure of Invention

In view of the above, it is desirable to provide a flexible tamper resistant integrated cable that can integrate various cables and is tamper resistant.

The utility model provides an anti-interference integrated cable of flexibility, includes transmission of electricity cable, signal cable and parcel layer, transmission of electricity cable and signal cable parallel fixation become a bundle of setting in the parcel in situ, the transmission of electricity cable sets up in radial central point and radial central outlying local position, the signal cable sets up peripherally at transmission of electricity cable, transmission of electricity cable is the electric power cable of carrying electric power, the signal cable is the cable of transmission analog signal or digital signal, the object of parcel transmission of electricity cable and signal cable is wrapped up to the parcel layer.

Preferably, the power transmission cables comprise a central power transmission cable arranged radially in the center and a peripheral power transmission cable arranged at the periphery of the central power transmission cable, the peripheral power transmission cable comprising a number of sub-peripheral power transmission cables, and the signal cable comprising a number of sub-signal cables.

Preferably, the central power transmission cable comprises a number of sub-central power transmission cables bundled together by a bundling material, i.e. a number of sub-central power transmission cables are bundled by a bundling material into a central power transmission cable.

Preferably, the sub-signal cables are arranged on the periphery of the central power transmission cable, the sub-peripheral power transmission cables are arranged on the periphery of the central power transmission cable, and the sub-signal cables and the sub-peripheral power transmission cables are arranged on the periphery of the central power transmission cable in a staggered surrounding mode.

Preferably, the sub-signal cables include, but are not limited to: coaxial lines, ethernet cables, data cables.

Preferably, the coaxial cable, the sub-peripheral power transmission cable and the non-coaxial cable are arranged circularly in sequence at the periphery of the central cable, namely the sub-peripheral power transmission cable is arranged between the coaxial cable and the non-coaxial cable.

Preferably, the coaxial cable is formed by an inner conductor and a coaxial outer conductor separated by a medium, so that an electric field and a magnetic field are limited in a medium area between the inner conductor and the outer conductor.

Preferably, the wrapping layer comprises an inner isolation layer, a conductive layer and an outer isolation layer, wherein the inner isolation layer, the conductive layer and the outer isolation layer are arranged in sequence from inside to outside.

Preferably, the inner side of the isolating layer in the wrapping layer further comprises an additional conductive layer and an additional inner isolating layer, and the additional conductive layer and the additional inner isolating layer are arranged in sequence from the inner side of the inner isolating layer to the inner side.

Preferably, the conductive layer includes, but is not limited to: metal mesh, metal sheet, metal hose.

Preferably, there are at least 3 or more sub-signal cables.

Preferably, the power transmission cable is a direct current power frequency power transmission cable, and the voltage of the power transmission cable is less than 36V.

Preferably, the flexible tamper resistant integrated cable is rolled up to be integrally disposed in a spiral.

Preferably, the helix diameter is greater than 10 cm.

Preferably, a sub-signal cable electromagnetic shielding layer is arranged around the sub-signal cable.

Preferably, the sub-signal cable electromagnetic shielding layer has an inner sub-signal cable isolation layer, a conductive sub-signal cable layer and an outer sub-signal cable isolation layer, which are sequentially disposed from inside to outside.

The beneficial effects are as follows:

in the periphery of the central cable, the sub-signal cables, the sub-peripheral power transmission cables and the non-coaxial cables are sequentially arranged in a circulating mode, namely the sub-peripheral power transmission cables are arranged between the coaxial cables and the non-coaxial cables, and the central cable is isolated in the middle of the annularly arranged sub-signal cables, so that a strong and effective electromagnetic shielding structure is formed, and the beneficial effect of remarkably reducing high-frequency signal interference between the sub-signal cables is achieved.

Drawings

FIG. 1 is a schematic view of a radial plane of a flexible tamper resistant integrated cable of the present invention.

Fig. 2 is a partially enlarged view of the radial surface of the flexible anti-interference integrated cable according to the present invention.

Wherein: a power transmission cable 10, a central power transmission cable 11, a peripheral power transmission cable 12, a sub-central power transmission cable 13, a sub-peripheral power transmission cable 14,

signal cable 20, coaxial wire 21, non-coaxial wire 22,

a wrapping layer 30, an inner isolation layer 31, a conductive layer 32, and an outer isolation layer 33.

Detailed Description

The specific implementation mode of the invention is as follows:

the utility model provides an anti-interference integrated cable of flexibility, includes transmission of electricity cable, signal cable and parcel layer, transmission of electricity cable and signal cable parallel fixation become a bundle of setting in the parcel in situ, the transmission of electricity cable sets up in radial central point and radial central outlying local position, the signal cable sets up peripherally at transmission of electricity cable, transmission of electricity cable is the electric power cable of carrying electric power, the signal cable is the cable of transmission analog signal or digital signal, the object of parcel transmission of electricity cable and signal cable is wrapped up to the parcel layer.

Preferably, the power transmission cables comprise a central power transmission cable arranged radially in the center and a peripheral power transmission cable arranged at the periphery of the central power transmission cable, the peripheral power transmission cable comprising a number of sub-peripheral power transmission cables, and the signal cable comprising a number of sub-signal cables.

Preferably, the central power transmission cable comprises a number of sub-central power transmission cables bundled together by a bundling material, i.e. a number of sub-central power transmission cables are bundled by a bundling material into a central power transmission cable.

Preferably, the sub-signal cables are arranged on the periphery of the central power transmission cable, the sub-peripheral power transmission cables are arranged on the periphery of the central power transmission cable, and the sub-signal cables and the sub-peripheral power transmission cables are arranged on the periphery of the central power transmission cable in a staggered surrounding mode.

Preferably, the sub-signal cables include, but are not limited to: coaxial lines, ethernet cables, data cables.

Preferably, the coaxial cable, the sub-peripheral power transmission cable and the non-coaxial cable are arranged circularly in sequence at the periphery of the central cable, namely the sub-peripheral power transmission cable is arranged between the coaxial cable and the non-coaxial cable.

Preferably, the coaxial cable is formed by an inner conductor and a coaxial outer conductor separated by a medium, so that an electric field and a magnetic field are limited in a medium area between the inner conductor and the outer conductor.

Preferably, the wrapping layer comprises an inner isolation layer, a conductive layer and an outer isolation layer, wherein the inner isolation layer, the conductive layer and the outer isolation layer are arranged in sequence from inside to outside.

Preferably, the inner side of the isolating layer in the wrapping layer further comprises an additional conductive layer and an additional inner isolating layer, and the additional conductive layer and the additional inner isolating layer are arranged in sequence from the inner side of the inner isolating layer to the inner side.

Preferably, the conductive layer includes, but is not limited to: metal mesh, metal sheet, metal hose.

Preferably, there are at least 3 or more sub-signal cables.

Preferably, the power transmission cable is a direct current power frequency power transmission cable, and the voltage of the power transmission cable is less than 36V.

Preferably, the flexible tamper resistant integrated cable is rolled up to be integrally disposed in a spiral.

Preferably, the helix diameter is greater than 10 cm.

Preferably, a sub-signal cable electromagnetic shielding layer is arranged around the sub-signal cable.

Preferably, the sub-signal cable electromagnetic shielding layer has an inner sub-signal cable isolation layer, a conductive sub-signal cable layer and an outer sub-signal cable isolation layer, which are sequentially disposed from inside to outside.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

In the first embodiment, please refer to fig. 1 and fig. 2.

In the technical scheme of the invention, the flexible anti-interference integrated cable is formed by integrating a plurality of cables in parallel to form an overall approximate cylinder shape, and the corresponding position relationship is further clearly defined, wherein the inner and outer position relationship is the position relationship between the center of the cable and the periphery of the cable on the radial plane of the cable, and the inner and outer positions are used for representing the relative position relationship, and when the absolute position of the described object is changed, the relative position relationship can be correspondingly changed.

The utility model provides a flexible anti-interference integrated cable, includes transmission cable 10, signal cable 20 and parcel layer 30, transmission cable 10 and signal cable 20 parallel fixation become a bundle of setting in parcel layer 30, transmission cable 10 sets up at radial central point and puts, signal cable 20 sets up in transmission cable 10 peripherally, transmission cable 10 is the electric power cable of carrying electric power, signal cable 20 is the cable of transmission analog signal or digital signal, parcel layer 30 is for wrapping up transmission cable and signal cable insulating and have the object of electromagnetic shield characteristic.

The power transmission cable 10 includes a central power transmission cable 11 disposed radially at the center and a peripheral power transmission cable 12 disposed at the periphery of the central power transmission cable 11, the peripheral power transmission cable 12 includes a plurality of sub-peripheral power transmission cables 14, and the signal cable 20 includes a plurality of sub-signal cables. The central power transmission cable 11 comprises a number of sub-central power transmission cables 13, which sub-central power transmission cables 13 are bundled together by a bundling material, i.e. the number of sub-central power transmission cables 13 are bundled by the bundling material into the central power transmission cable 11.

The sub-signal cables are arranged around the center power transmission cable 11, the sub-peripheral power transmission cables 14 are arranged around the center power transmission cable 11, and the sub-signal cables and the sub-peripheral power transmission cables 14 are arranged around the center power transmission cable 11 in an interlaced manner. The sub-signal cables include, but are not limited to: coaxial lines, ethernet cables, data cables.

In this embodiment, the coaxial cable 21 and the non-coaxial cable 22 are dacar cables, and the coaxial cable 21, the sub-peripheral power transmission cable 12 and the non-coaxial cable 22 are arranged circularly in sequence at the periphery of the central power transmission cable 11, that is, the sub-peripheral power transmission cable 14 is arranged between the coaxial cable 21 and the non-coaxial cable 22. The coaxial line 21 is composed of an inner conductor and a coaxial outer conductor which are separated by a medium, an electric field and a magnetic field in the coaxial line 21 are limited in a medium region between the inner conductor and the outer conductor, and the inner conductor and the coaxial outer conductor are separated by the medium, namely the inner conductor and the outer conductor are separated by the conductor, so that the electric field and the magnetic field are limited in the medium region between the inner conductor and the outer conductor, the radiation loss is reduced, and the external interference is shielded.

And the periphery of the sub-signal cable is provided with a sub-signal cable electromagnetic shielding layer. The sub-signal cable electromagnetic shielding layer is provided with a sub-signal cable inner isolation layer, a sub-signal cable conducting layer and a sub-signal cable outer isolation layer, and the sub-signal cable inner isolation layer, the sub-signal cable conducting layer and the sub-signal cable outer isolation layer are sequentially arranged from inside to outside.

The wrapping layer 30 includes an inner isolation layer 31, a conductive layer 32, and an outer isolation layer 33, and the inner isolation layer 31, the conductive layer 32, and the outer isolation layer 33 are sequentially disposed from the inside to the outside.

In order to further improve the anti-interference performance of the signal cable, one or more conductive layers and inner isolation layers are additionally arranged on the inner side of the wrapping layer, and the additionally arranged conductive layers and the inner isolation layers are arranged in a staggered and circulating mode. Specifically, in general, in practical application, the treatment may be specifically such that the inner side of the inner isolation layer in the wrapping layer or further includes an additional conductive layer and an additional inner isolation layer, and the additional conductive layer and the additional inner isolation layer are sequentially disposed from the inner side of the inner isolation layer to the inner side.

Conductive layer 32 includes, but is not limited to: metal mesh, metal sheet, metal hose. The number of the sub signal cables is at least more than 3.

The voltage for general new energy vehicles is less than 36V, and for reducing near-field electromagnetic interference, based on the overall design idea of electromagnetic interference resistance, the load voltage on a power transmission cable is limited, the voltage of the load on the power transmission cable is not more than 36V at most, under general working conditions, the voltage is limited to be below 24V, or even the voltage of the load on the power transmission cable is limited to be below 12V, the power transmission cable is a direct-current power-frequency power transmission cable, and the voltage of the power transmission cable is less than 36V.

In this embodiment, there are 3 coaxial lines for conducting signals, and 3 non-coaxial lines for conducting signals, and the electromagnetic interference frequency under the power frequency interference is generally 50Hz, and when these 6 sub-signal lines transmit high-frequency digital signals, there is high-frequency interference between them. The axes of the 6 sub-signal lines are positioned on the same circular ring, and when a sub-peripheral transmission cable 14 is arranged between any two of the 6 sub-signal lines, the sub-peripheral transmission cable plays a role of a shielding body, and electromagnetic interference among any sub-signal lines is reduced. The sub-signal lines are isolated by the central power transmission cable, namely, two adjacent sub-signal lines are isolated by the central power transmission cable, which is equivalent to a strong conductive shielding body structure, under the structure, the high-frequency electromagnetic interference between any adjacent sub-signal lines is remarkably reduced, trial-manufacture test verification is carried out, before the structure is adopted, the screen viewing signal transmitted by the signal lines has snowflakes or even can not be judged, after the central power transmission cable is isolated, the effect of reducing the electromagnetic interference is obviously improved, and after the sub-peripheral power transmission cable is arranged, the electromagnetic interference is further reduced to a slight level.

In order to improve the engineering applicability of the flexible anti-interference integrated cable, the flexible anti-interference integrated cable is integrally rolled into a spiral shape. However, after the flexible anti-interference integrated cable is spirally arranged, the interference effect is reduced, when the diameter of the spiral is set to be more than 10cm, the interference is reduced, and through analysis, the metal mesh gap of the conducting layer of the series wrapping layer and the coaxial cable is increased or the soft metal sheet is cracked under the condition of small diameter and large bending, so that electromagnetic leakage is caused, the electromagnetic shielding structure is damaged, and the electromagnetic interference level is reduced.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.