CN206401058U - Protection against rodents type buried cable for airport flight assistant lamp light circuit - Google Patents
Protection against rodents type buried cable for airport flight assistant lamp light circuit Download PDFInfo
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- CN206401058U CN206401058U CN201621479308.XU CN201621479308U CN206401058U CN 206401058 U CN206401058 U CN 206401058U CN 201621479308 U CN201621479308 U CN 201621479308U CN 206401058 U CN206401058 U CN 206401058U
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Abstract
The utility model is related to a kind of protection against rodents type buried cable for airport flight assistant lamp light circuit, conductor including cable center, conductor shield, insulating barrier and insulation screen are extruded with outside conductor by the way of three-layer co-extruded, soft copper belt is surrounded with outside insulation screen, nonwoven layer is surrounded with outside soft copper belt, first is surrounded with outside nonwoven layer to block water yarn layer, the yarn layer peripheral hardware that blocks water is equipped with armor, second is surrounded with outside armor to block water yarn layer, second, which blocks water to be surrounded with outside glass fiber belt, glass fiber belt outside yarn layer, is extruded with external sheath layer.The utility model is simple in construction, compact to design, and cable weight is light, bending radius is small, bilayer blocks water, and to add the setting of glass fiber belt and armor in the water resistance of cable in use, cable not only environmentally friendly in process of production for the setting of yarn layer, and can play the effect of dual protection against rodents.
Description
Technical field
The utility model is related to a kind of protection against rodents type buried cable for airport flight assistant lamp light circuit, belongs to cable technology of preparing neck
Domain.
Background technology
Buried cable for airport flight assistant lamp light circuit, is a kind of cable that electric power is provided as airfield aid.Existing skill
Structure is conductor, inner shield, insulating barrier, external shield, metal screen layer, belting layer, restrictive coating to cable from inside to outside in art, wherein
Inner shield, insulating barrier, external shielding layer use plastic materials, and metal screen layer then uses bare copper wire braiding structure.
It is not to be directly laid in pipeline so that cable runs into vole etc. because cable is directly to be buried under lawn
The increase of rodent probability, in order to prevent the destruction to cable of mouse, conventional method is the sheath material in cable at present
Synthesis pungent element is added in material, when mouse stings cable cover(ing), pungent element can to feel bad in mouse oral cavity and stop continuing to sting
Cable.
Existing cable has the disadvantage that：
（1）Cable flexibility is poor.Because interior screen, insulation and outer screen material used in cable are plastics in the prior art
Class material, conductor is the 2 class conductors used in addition, therefore the overall flexibility of cable is poor, and the bending radius of cable is big, in peace
When filling and laying, for needing the small place in bend region, cable is easily damaged.
（2）Production cycle is long.The metal screen layer of cable uses proof copper-wire braided shielding, screen layer needs braiding
Machine weaves, and braiding speed is slow, many using material, adds the production cycle of cable.
（3）Protection against rodents effect is poor.Because the mode of the synthesis pungent element in sheath belongs to chemical mode, pushing away over time
Move, synthesis pungent element can fade away, so as to lose rodent-proof characteristic.
（4）The production process feature of environmental protection is poor.Synthesize pungent element to add in sheath material, to the skin of direct labor, respiratory tract
There is stimulation, have injury to human body.
（5）Without block-water performance.Once cable is without any stop water, cable cover(ing) damaged, and water can enter inside cable, plus
Other of fast cable are component aging, reduce the service life of cable.
The content of the invention
The purpose of this utility model is that there is provided a kind of protection against rodents simple in construction, compact to design in order to solve the above problems
Type buried cable for airport flight assistant lamp light circuit.
The utility model is adopted the following technical scheme that：A kind of protection against rodents type buried cable for airport flight assistant lamp light circuit, including
Conductor shield, insulating barrier and insulation shielding are extruded with by the way of three-layer co-extruded outside the conductor of cable center, the conductor
It is surrounded with outside soft copper belt, the soft copper belt and is surrounded with outside nonwoven layer, the nonwoven layer outside layer, the insulation screen
Be surrounded with that thickness is 0.7-0.9mm first blocks water yarn layer, and the described first yarn layer peripheral hardware that blocks water is equipped with armor, the armor
It is outer be surrounded with that thickness is 0.7-0.9mm second block water yarn layer, described second, which blocks water, is surrounded with glass fiber belt outside yarn layer, described
Restrictive coating is extruded with outside glass fiber belt.
Further, the tinned copper wire that the conductor is not more than 0.31mm by six roots of sensation filament diameter is made by twisting.
Further, the insulating barrier is made of ethylene propylene diene rubber, and the thickness of the insulating barrier is 2.4-2.6mm.
Further, the armor is made up of individual layer finer wire close-packed arrays.
Further, the thickness of the soft copper belt is 0.1-0.15mm, and the rate of putting up of the soft copper belt is not less than
15%。
The utility model is simple in construction, compact to design, and cable weight is light, and bending radius is small, the setting of the double-deck yarn layer that blocks water
The setting of glass fiber belt and armor in the water resistance of cable in use, cable is added not only in production process
Middle environmental protection, and the effect of dual protection against rodents can be played.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference：Conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, soft copper belt 5, nonwoven layer 6,
One block water yarn layer 7, armor 8, second block water yarn layer 9, glass fiber belt 10, restrictive coating 11.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in figure 1, planting protection against rodents type buried cable for airport flight assistant lamp light circuit, include the conductor 1 of cable center, conductor
1 tinned copper wire for being not more than 0.31mm by six roots of sensation filament diameter is made by twisting, and conductor 1 is outer to be extruded with by the way of three-layer co-extruded
Conductor shield 2, insulating barrier 3 and insulation screen 4, insulating barrier 3 are made of ethylene propylene diene rubber, and the thickness of insulating barrier 3 is
Soft copper belt 5 is surrounded with outside 2.4-2.6mm, insulation screen 4, the thickness of soft copper belt 5 is 0.1-0.15mm, soft copper belt 5
Put up rate not less than 15%, be surrounded with outside soft copper belt 5 outside nonwoven layer 6, nonwoven layer 6 and be surrounded with thickness for 0.7-0.9mm
First block water yarn layer 7, first, which blocks water, is provided with armor 8 outside yarn layer 7, and armor 8 is made up of individual layer finer wire close-packed arrays,
Be surrounded with that thickness is 0.7-0.9mm outside armor 8 second blocks water yarn layer 9, and second, which blocks water, is surrounded with glass fiber belt outside yarn layer 9
10, glass fiber belt 10 is extruded with restrictive coating 11 outside.
Design principle of the present utility model：
1. improve the flexibility of cable
The flexibility and resist bending ability of cable depend primarily on the structure of cable, and the conductor wire core in the construction of cable
Structure plays vital effect again.In order that conductor wire core is soft, resist bending, with higher conductance, this practicality is new
Type is not more than 0.31mm tinned copper wire using filament diameter；1+6 regular stranded mode is used during process, makes conductor structure
More stable, tightness degree is high, and external diameter is small, and conductor wire core pliability is good.Conductor shield, insulating barrier, insulation in the utility model
Screen layer is using pliability very high elastomeric material so that the integrally bending of cable is fine.
2. the production cycle
The utility model is shielding construction only with one layer of soft copper belt, and its technique is, around packet mode, to greatly reduce life
The production cycle.
3. strengthen the environmental-protecting performance of rodent-proof characteristic and production
In order to take into account the feature of environmental protection and protection against rodents property, the utility model set in cable one layer thicker glass fiber belt and by
The armor that finer wire is constituted, glass tape and finer wire will not bring the discomfort on body to direct labor, and glass fiber layer exists
When mouse bites, tiny acicular texture can be with shouting pain mouse in glass tape so that mouse stop bite, while finer wire due to
Hardness is larger, and mouse is difficult to bite, and the double-layer structure so designed will not lose protection against rodents effect over time.
4. water resistance
Two layers of yarn layer that blocks water is provided with inside cable, when cable cover(ing) damages or hurts seizing wire, and is had
When water enters the cable Rotating fields, this Rotating fields can expand in breakage, fill out damage location, prevent water from entering inside cable,
Realize the water resistance of cable.
Claims (5)
1. a kind of protection against rodents type buried cable for airport flight assistant lamp light circuit, it is characterised in that：Conductor including cable center（1）,
The conductor（1）It is outer that conductor shield is extruded with by the way of three-layer co-extruded（2）, insulating barrier（3）And insulation screen（4）,
The insulation screen（4）It is surrounded with soft copper belt outside（5）, the soft copper belt（5）It is surrounded with nonwoven layer outside（6）, it is described
Nonwoven layer（6）It is outer be surrounded with that thickness is 0.7-0.9mm first block water yarn layer（7）, described first blocks water yarn layer（7）It is outer to set
There is armor（8）, the armor（8）It is outer be surrounded with that thickness is 0.7-0.9mm second block water yarn layer（9）, second resistance
Water yarn layer（9）It is surrounded with glass fiber belt outside（10）, the glass fiber belt（10）It is extruded with restrictive coating outside（11）.
2. protection against rodents type buried cable for airport flight assistant lamp light circuit as claimed in claim 1, it is characterised in that：The conductor
（1）The tinned copper wire for being not more than 0.31mm by six roots of sensation filament diameter is made by twisting.
3. protection against rodents type buried cable for airport flight assistant lamp light circuit as claimed in claim 1, it is characterised in that：The insulating barrier
（3）It is made of ethylene propylene diene rubber, the insulating barrier（3）Thickness be 2.4-2.6mm.
4. protection against rodents type buried cable for airport flight assistant lamp light circuit as claimed in claim 1, it is characterised in that：The armor
（8）It is made up of individual layer finer wire close-packed arrays.
5. protection against rodents type buried cable for airport flight assistant lamp light circuit as claimed in claim 1, it is characterised in that：The soft copper band
Layer（5）Thickness be 0.1-0.15mm, the soft copper belt（5）Put up rate not less than 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479308.XU CN206401058U (en) | 2016-12-30 | 2016-12-30 | Protection against rodents type buried cable for airport flight assistant lamp light circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479308.XU CN206401058U (en) | 2016-12-30 | 2016-12-30 | Protection against rodents type buried cable for airport flight assistant lamp light circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401058U true CN206401058U (en) | 2017-08-11 |
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ID=59516626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621479308.XU Active CN206401058U (en) | 2016-12-30 | 2016-12-30 | Protection against rodents type buried cable for airport flight assistant lamp light circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920588A (en) * | 2019-03-21 | 2019-06-21 | 上海起帆电缆股份有限公司 | A kind of voyage aid of the airport lamp system high-voltage bus cable and preparation method and application |
-
2016
- 2016-12-30 CN CN201621479308.XU patent/CN206401058U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920588A (en) * | 2019-03-21 | 2019-06-21 | 上海起帆电缆股份有限公司 | A kind of voyage aid of the airport lamp system high-voltage bus cable and preparation method and application |
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