CN218159672U

CN218159672U - High-performance buried cable for airport navigation aid light circuit

Info

Publication number: CN218159672U
Application number: CN202222519648.2U
Authority: CN
Inventors: 王梦钊; 董宝成; 温鹏
Original assignee: Guangzhou Xinxing Cables Industry Co ltd
Current assignee: Guangzhou Xinxing Cables Industry Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-12-27
Anticipated expiration: 2032-09-23

Abstract

The utility model provides a high performance airport aid to navigation light return circuit is with burying ground cable, its includes the soft conductor layer that the middle part set up, still includes conductor shield layer, insulating shield layer, tinned copper strip woven shield, single face aluminum-plastic composite tape shielding, fire-retardant layer and outer jacket, the outside of soft conductor layer is through crowded package in proper order of crowded altogether has conductor shield layer, insulating layer and insulating shield layer, and the outside of insulating shield layer is equipped with the shielding layer, and the shielding layer comprises tinned copper strip woven shield and single face aluminum-plastic composite tape shielding, and the outside of single face aluminum-plastic composite tape shielding is around wrapping the fire-retardant layer of one deck, and the crowded package in the outside of fire-retardant layer has the outer jacket easily, the utility model discloses cable simple to operate, it is crooked, resistant dragging and wear-resisting, not only has water-resistant tree function, still has high shielding low loss, and the current-carrying height can lay the use at-60 ℃, still has fire-retardant moisture resistance, and environmental protection cable moreover.

Description

High-performance buried cable for airport navigation aid light circuit

Technical Field

The utility model relates to a cable specifically is a high performance airport aid to navigation light circuit is with burying ground cable.

Background

The airport navigation aid light is a general name of a light sign which is arranged in a specified area in the airport and provides visual guidance for the takeoff, landing and sliding of an airplane at night or under the condition of low visibility, is visual navigation aid equipment for the landing at night and in complex weather, and is important auxiliary equipment of a radio approach landing system. The airplane is guaranteed to approach and land under the conditions of daytime, night, low cloud and low visibility. The airport navigation aid light circuit needs to have certain compliance with the buried cable to should have the function of antifriction and resistant dragging at laying the in-process, prevent the cable damage, simultaneously, because of airport navigation aid light is the equipment of operation under night or extreme weather, need the cable to adapt to the low-loss operation under extreme weather more.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a high-performance buried cable for an airport navigation light circuit is provided, so that the cable is soft, easy to lay, resistant to dragging and friction, and capable of operating at low temperature with low loss.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a high performance airport aid to navigation light return circuit is with burying ground cable, the effectual problem of mentioning in having solved above-mentioned technical background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a soft conductive layer that the middle part set up still includes conductor shield, insulating layer, insulating barrier, tin-plating copper strips woven shield, single face plastic-aluminum composite belt shielding, fire-retardant layer and outer jacket, the outside of soft conductive layer has conductor shield, insulating layer and insulating barrier through crowded package altogether in proper order, and the outside of insulating barrier is equipped with the shielding layer, and the shielding layer is woven shield by tin-plating copper strips and is constituteed with single face plastic-aluminum composite belt shielding, and the outside of single face plastic-aluminum composite belt shielding is around wrapping the fire-retardant layer of one deck, and crowded package in the outside of fire-retardant layer has the outer jacket.

Preferably, the weaving density of the tinned copper strip woven shield is not less than 80%, the tinned copper strip woven shield is wrapped with a single-sided aluminum-plastic composite tape in an overlapping mode, the thickness of the single-sided aluminum-plastic composite tape shield is 0.2mm, the aluminum foil faces inwards, and the covering rate is not less than 20%.

Preferably, the flame-retardant layer is a halogen-free combustion-supporting glass fiber tape wrapping layer, the wrapping layer is a wrapping layer, the thickness of the strip material is 0.17mm, and the wrapping covering rate is not less than 30%.

Preferably, the outer protective layer is a polyether type halogen-free flame retardant polyurethane sheath, and the nominal thickness of the sheath is 1.4 mm-2.0 mm.

Preferably, the soft conductor layer is formed by twisting soft round copper wires, and the cross section of the conductor is 6mm ² 。

Preferably, the conductor shielding layer is made of 10kV conductor semi-conductive shielding material, the thickness of the conductor shielding layer is 0.10-0.18 mm, the insulating layer is made of 10kV water-tree-resistant chemical cross-linking type elastomer insulating material, the nominal thickness of the insulating layer is 2.5-3.5 mm, the insulating shielding layer is made of 10kV insulating semi-conductive shielding material, the thickness of the conductor shielding layer is 0.10-0.18 mm, and the insulating shielding material is peelable.

Has the beneficial effects that: the utility model discloses cable simple to operate, flexible is resistant to drag and wear-resisting, not only has the water-resistant tree function, still has high shielding low-loss, and the current-carrying capacity height can lay the use at-60 ℃, still has fire-retardant humidity resistance, and the cable environmental protection moreover.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

the reference numbers in the figures: 1. a soft conductor layer; 2. a conductor shield layer; 3. an insulating layer; 4. an insulating shield layer; 5. weaving a tinned copper strip for shielding; 6. shielding the single-sided aluminum-plastic composite belt; 7. a flame retardant layer; 8. an outer jacket.

Detailed Description

The following describes the embodiments of the present invention in detail with reference to fig. 1.

Embodiment one, given by fig. 1, the utility model provides a high performance airport aid to navigation light circuit is with burying ground cable, including the flexible conductor layer 1 that the middle part set up, still include conductor shield layer 2, insulating layer 3, insulating shield layer 4, tinned copper strips woven shield 5, single face aluminum-plastic composite tape shields 6, fire-retardant layer 7 and outer jacket 8, the outside of flexible conductor layer 1 has conductor shield layer 2 through crowded package in proper order altogether, insulating layer 3 and insulating shield layer 4, the outside of insulating shield layer 4 is equipped with the shielding layer, the shielding layer comprises tinned copper strips woven shield 5 and single face aluminum-plastic composite tape shields 6, the outside of single face aluminum-plastic composite tape shields 6 winds package one deck fire-retardant layer 7, fire-retardant layer 7's outside crowded package has outer jacket 8, conductor shield layer 2, insulating layer 3 extrudees crowded package on flexible conductor 1 with insulating shield layer 4 jointly, and the eccentricity is not more than 6%.

The weaving density of the tinned copper strip braided shield 5 is not less than 80%, a single-side aluminum-plastic composite strip shield 6 is lapped outside the tinned copper strip braided shield 5 in an overlapping mode, the thickness of the single-side aluminum-plastic composite strip shield 6 is 0.2mm, the aluminum foil faces inwards, and the lapping rate is not less than 20%.

The flame-retardant layer 7 is a halogen-free combustion-supporting glass fiber tape wrapping layer, the wrapping layer is a wrapping layer, the thickness of a strip material is 0.17mm, and the wrapping and covering rate is not less than 30%.

The outer protective layer 8 is a polyether type halogen-free flame retardant polyurethane sheath, and the nominal thickness of the sheath is 1.4 mm-2.0 mm.

The soft conductor layer 1 is formed by twisting soft round copper wires, and the cross section of the conductor is 6mm ² 。

The conductor shielding layer 2 is made of 10kV conductor semiconductive shielding material, the thickness of the conductor shielding layer is 0.10-0.18 mm, the insulating layer 3 is made of 10kV water tree resistant chemical crosslinking type elastomer insulating material, namely T-XLPO-10, the nominal thickness of the insulating layer is 2.5 mm-3.5 mm, the insulating shielding layer 4 is made of 10kV insulating semiconductive shielding material, the thickness of the conductor shielding layer 2 is 0.10-0.18 mm, and the insulating shielding material is peelable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high performance airport aid to navigation light circuit is with burying ground cable, includes the soft conductor layer (1) that the middle part set up, its characterized in that: still include conductor shield (2), insulating layer (3), insulating shield (4), tin-plated copper strip woven shield (5), single face plastic-aluminum composite belt shield (6), fire-retardant layer (7) and outer jacket (8), the outside of soft conductor layer (1) has conductor shield (2), insulating layer (3) and insulating shield (4) through crowded package in proper order altogether, and the outside of insulating shield (4) is equipped with the shielding layer, and the shielding layer comprises tin-plated copper strip woven shield (5) and single face plastic-aluminum composite belt shield (6), and the outside of single face plastic-aluminum composite belt shield (6) is around package one deck fire-retardant layer (7), and the crowded package in the outside of fire-retardant layer (7) has outer jacket (8).

2. The buried cable for the high-performance airfield light circuit according to claim 1, wherein the weaving density of the tinned copper tape braided shield (5) is not less than 80%, a single-sided aluminum-plastic composite tape shield (6) is lapped outside the tinned copper tape braided shield (5), the thickness of the single-sided aluminum-plastic composite tape shield (6) is 0.2mm, the aluminum foil is lapped inwards, and the lapping rate is not less than 20%.

3. The buried cable for the high-performance airfield light circuit is characterized in that the flame-retardant layer (7) is a halogen-free combustion-supporting glass fiber tape wrapping layer, the wrapping layer is a wrapping layer, the thickness of the tape material is 0.17mm, and the wrapping and covering rate is not less than 30%.

4. The buried cable for the high-performance airfield navigation light loop as claimed in claim 1, wherein the outer protective layer (8) is a polyether type halogen-free flame retardant polyurethane sheath, and the nominal thickness of the sheath is 1.4-2.0 mm.

5. The buried cable for the high-performance airfield light circuit according to claim 1, wherein the soft conductor layer (1) is formed by twisting soft round copper wires, and the cross section of the conductor is 6mm ² 。

6. The buried cable for the high-performance airport navigation light circuit according to claim 1, wherein the conductor shielding layer (2) is made of 10kV conductor semi-conductive shielding material, the thickness of the conductor shielding layer is 0.10-0.18 mm, the insulating layer (3) is made of 10kV water tree resistant chemical crosslinking type elastomer insulating material, the nominal thickness of the insulating layer is 2.5-3.5 mm, the insulating shielding layer (4) is made of 10kV insulating semi-conductive shielding material, the thickness of the conductor shielding layer (2) is 0.10-0.18 mm, and the insulating shielding material is strippable.