CN208834800U - A kind of double-sided aluminum foil double shield cable architecture - Google Patents

Abstract

The utility model discloses a kind of double-sided aluminum foil double shield cable architectures, including housing, the inner wall of the housing is fixedly connected with flame-retardant layer, the inner wall of the flame-retardant layer is fixedly connected with the first aluminium foil, the inner wall of first aluminium foil is fixedly connected with glass layer, the inner wall of the glass layer is fixedly connected with molding flame resistant filler layer, the inner wall of the molding flame resistant filler layer is fixedly connected with copper wire twisted wire layer, the inner wall of the copper wire twisted wire layer is fixedly connected with thin separation film, the inner wall of the thin separation film is fixedly connected with the second aluminium foil, the utility model relates to cable shield technology fields.A kind of double-sided aluminum foil double shield cable architecture, solve single side aluminium foil can only realize external signal into do not go or internal signal can't get out with cable in actual use if inner foil because processing or use process bending, it be easy to cause aluminium foil dog-ear or protrusion locally occur, can lead to the problem of gap leads to the reduction of model shield effectiveness.

Description

A kind of double-sided aluminum foil double shield cable architecture

Technical field

The utility model relates to cable shield technology field, specially a kind of double-sided aluminum foil double shield cable architecture.

Background technique

With the progress of power electronic technique in the latest 20 years, frequency conversion system has been widely used for various industrial fields It closes, finds in actual use, be not considered as the cable of weak link in general electrical system, but encountered in frequency conversion system Seldom problem under normal circumstances, if electric shield effect is poor, electromagnetic interference is serious etc., prevent frequency converter from normal Work, therefore although variable-frequency control technique has obtained widely making in industrial aspects such as petroleum, metallurgy, power generation, railway, mines With, but it is corresponding for connecting the service cable of variable-frequency motor and variable-frequency power sources, it is using one in actual installation As conventional power cable, influence constrain the normal use of frequency converter.So need a kind of good cable of anti-jamming effectiveness with Meet demand uses, but current Anti-interference cable line mostly uses single side aluminium foil package cooperation copper wire twisted wire to realize shield effectiveness, It can only realize that external signal into not going or internal signal can't get out, shields jamproof effect to realize, but in actual use such as Fruit inner foil be easy to cause aluminium foil dog-ear or protrusion locally occur, can generate gap and lead because of processing or use process bending It causes model shield effectiveness to reduce, influences the whole using effect of shielded cable.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of double-sided aluminum foil double shield cable architecture, solves list Face aluminium foil can only realize external signal into do not go or internal signal can't get out with cable in actual use if inner foil because plus Work or use process bending, be easy to cause aluminium foil dog-ear or protrusion locally occur, can generate gap leads to model shield effectiveness The problem of reduction.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of double-sided aluminum foil double shield Cable architecture, including housing, the inner wall of the housing are fixedly connected with flame-retardant layer, and the inner wall of the flame-retardant layer is fixedly connected with first Aluminium foil, the inner wall of first aluminium foil are fixedly connected with glass layer, and the inner wall of the glass layer is fixedly connected with into The inner wall of type flame resistant filler layer, the molding flame resistant filler layer is fixedly connected with copper wire twisted wire layer, the copper wire twisted wire layer it is interior Wall is fixedly connected with thin separation film, and the inner wall of the thin separation film is fixedly connected with the second aluminium foil, the inner wall of second aluminium foil It is equidistantly fixedly connected with conducting wire, the conducting wire includes the first rubber insulation and the second rubber insulation, and first rubber is exhausted The inner wall of edge layer and the second rubber insulation is fixedly connected to conductor.

Preferably, talcum powder and bungee are filled between the surface of the conducting wire and the inner wall of the second aluminium foil.

Preferably, the surface between the inner wall of first aluminium foil and the surface of glass layer with the second aluminium foil and partition Ground wire has been respectively fixedly connected between the inner wall of film.

Preferably, first aluminium foil and the second aluminium foil are double-sided aluminum foil, the packet of first aluminium foil and the second aluminium foil Wrap up in the hand of spiral on the contrary, first aluminium foil with a thickness of 40U, second aluminium foil with a thickness of 30U.

Preferably, the housing is made of fire-retardant polyvinyl chloride material, the housing with a thickness of 0.8-1.2mm, The flame-retardant layer with a thickness of 0.5-0.7mm.

(3) beneficial effect

The utility model provides a kind of double-sided aluminum foil double shield cable architecture.Have it is following the utility model has the advantages that

(1), the double-sided aluminum foil double shield cable architecture is fixedly connected with the first aluminium foil by the inner wall of flame-retardant layer, fire-retardant to fill out The inner wall for filling layer is fixedly connected with copper wire twisted wire layer, and the inner wall of copper wire twisted wire layer is fixedly connected with thin separation film, thin separation film Inner wall is fixedly connected with the second aluminium foil, has reached and has realized cable double shield effect using aluminium foil and copper wire twisted wire cooperation baseline, together When since the first aluminium foil and the second aluminium foil be double-sided aluminum foil it is possible to prevente effectively from external signal enters and internal signal comes out, promoted The anti-interference ability of cable.

(2), the double-sided aluminum foil double shield cable architecture, by the package hand of spiral of the first aluminium foil and the second aluminium foil on the contrary, First aluminium foil with a thickness of 40U, second aluminium foil with a thickness of 30U, reached opposite using the double-layer aluminum-foil hand of spiral Design, it is possible to prevente effectively from cable process when inner foil or use process in bending cause aluminium foil occur gap or protrusion reduce The case where shield effectiveness, occurs, while the thickness of the first aluminium foil wants thick compared to the second aluminium foil, more efficient can avoid outside Efficient shielding anti-jamming effectiveness is realized in the entrance of model.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model conductor structure enlarged drawing.

In figure: 1 housing, 2 flame-retardant layers, 3 first aluminium foils, 4 glass layers, 5 molding flame resistant filler layers, 6 copper wire twisted wire layers, 7 thin separation films, 8 second aluminium foils, 9 conducting wires, 91 first rubber insulations, 92 second rubber insulations, 93 conductors, 10 talcum powder, 11 bungees, 12 ground wires.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of double-sided aluminum foil double shield cable architecture, including Housing 1, the inner wall of housing 1 are fixedly connected with flame-retardant layer 2, prevent external baked wheaten cake bad cable, and the inner wall of flame-retardant layer 2 is fixedly connected with First aluminium foil 3 realizes a cascade screen, prevents external signal from entering cable interference signal, the inner wall of the first aluminium foil 3 is fixedly connected with Glass layer 4 increases the toughness of cable, and the inner wall of glass layer 4 is fixedly connected with molding flame resistant filler layer 5, avoids interior Portion burns bad cable, and the inner wall of molding flame resistant filler layer 5 is fixedly connected with copper wire twisted wire layer 6, realizes two cascade screens, increases cable Anti-interference ability, the inner wall of copper wire twisted wire layer 6 are fixedly connected with thin separation film 7, and the inner wall of thin separation film 7 is fixedly connected with second Aluminium foil 8 prevents inner extra from letting out, and improves signal conveying distance, and the inner wall of the second aluminium foil 8 is equidistantly fixedly connected with conducting wire 9, leads Line 9 includes the first rubber insulation 91 and the second rubber insulation 92, the first rubber insulation 91 and the second rubber insulation 92 Inner wall be fixedly connected to conductor 92, realize signal transduction, be filled between the surface of conducting wire 9 and the inner wall of the second aluminium foil 8 Talcum powder 10 and bungee 11 prevent conducting wire long-time service to be bonded with outer jacket and increase inner space and cable are avoided to receive extruding Internal structure is destroyed, it is thin with the surface of the second aluminium foil 8 and partition between the inner wall of the first aluminium foil 3 and the surface of glass layer 4 It has been respectively fixedly connected with ground wire 12 between the inner wall of film 7, has played a protective role, the first aluminium foil 3 and the second aluminium foil 8 are two-sided aluminium Foil, anti-stop signal disengaging, realization is two-sided anti-interference, and the package hand of spiral of the first aluminium foil 3 and the second aluminium foil 8 is on the contrary, the first aluminium Foil 3 with a thickness of 40U, the second aluminium foil 8 with a thickness of 30U, signals leakiness can be effectively reduced, increase signal transport, housing 1 is adopted Be made of fire-retardant polyvinyl chloride material, housing 1 with a thickness of 0.8-1.2mm, flame-retardant layer 2 with a thickness of 0.5-0.7mm.

In use, connector inner conductor 92 is fixedly connected with external device (ED), then the first aluminium foil 3 and copper wire twisted wire layer 6 Cooperation ground wire 12, which reaches, prevents external signal from entering cable, realizes one layer of shielding, the second aluminium foil 8 and copper wire twisted wire layer 6 are ordinatedly Line 12, which reaches, prevents internal signal from leaking, and realizes two layers of shielding, it is possible to reduce signal is weak, increases signal transmission distance.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element ".

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of double-sided aluminum foil double shield cable architecture, including housing (1), it is characterised in that: the inner wall of the housing (1) is fixed to be connected It is connected to flame-retardant layer (2), the inner wall of the flame-retardant layer (2) is fixedly connected with the first aluminium foil (3), the inner wall of first aluminium foil (3) It is fixedly connected with glass layer (4), the inner wall of the glass layer (4) is fixedly connected with molding flame resistant filler layer (5), institute The inner wall for stating molding flame resistant filler layer (5) is fixedly connected with copper wire twisted wire layer (6), and the inner wall of the copper wire twisted wire layer (6) is fixed It is connected with thin separation film (7), the inner wall of the thin separation film (7) is fixedly connected with the second aluminium foil (8), second aluminium foil (8) Inner wall be equidistantly fixedly connected with conducting wire (9), the conducting wire (9) include the first rubber insulation (91) and the second rubber insulation (92), the inner wall of first rubber insulation (91) and the second rubber insulation (92) is fixedly connected to conductor (93).

2. a kind of double-sided aluminum foil double shield cable architecture according to claim 1, it is characterised in that: the table of the conducting wire (9) Talcum powder (10) and bungee (11) are filled between face and the inner wall of the second aluminium foil (8).

3. a kind of double-sided aluminum foil double shield cable architecture according to claim 1, it is characterised in that: first aluminium foil (3) Inner wall and glass layer (4) surface between the surface of the second aluminium foil (8) and the inner wall of thin separation film (7) respectively It is fixedly connected with ground wire (12).

4. a kind of double-sided aluminum foil double shield cable architecture according to claim 1, it is characterised in that: first aluminium foil (3) It is double-layer aluminum-foil with the second aluminium foil (8), the package hand of spiral of first aluminium foil (3) and the second aluminium foil (8) is on the contrary, described First aluminium foil (3) with a thickness of 40U, second aluminium foil (8) with a thickness of 30U.

5. a kind of double-sided aluminum foil double shield cable architecture according to claim 1, it is characterised in that: the housing (1) uses Fire-retardant polyvinyl chloride material is made, the housing (1) with a thickness of 0.8-1.2mm, the flame-retardant layer (2) with a thickness of 0.5- 0.7mm。