CN208706270U - A kind of high temperature resistant soft electric wire - Google Patents
A kind of high temperature resistant soft electric wire Download PDFInfo
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- CN208706270U CN208706270U CN201820965048.XU CN201820965048U CN208706270U CN 208706270 U CN208706270 U CN 208706270U CN 201820965048 U CN201820965048 U CN 201820965048U CN 208706270 U CN208706270 U CN 208706270U
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Abstract
The utility model provides a kind of high temperature resistant soft electric wire, comprising: protective layer, the first wrapping layer, the second wrapping layer, third wrapping layer, insulating layer and conductor；Conductor is twisted wire, and insulating layer is enclosed with outside conductor, and the first wrapping layer, the second wrapping layer and third wrapping layer are successively surrounded with outside insulating layer, is wrapped with protective layer in third wrapping layer；The lapping direction of first wrapping layer is vertical with conductor stretching direction, and the lapping direction of the second wrapping layer is with the direction of lay of conducting wire on the contrary, the lapping direction of third wrapping layer is opposite with the second wrapping layer.A kind of high temperature resistant soft electric wire described in the utility model can have the characteristic of soft pliable folding while being resistant to hot operation.
Description
Technical field
The utility model belongs to technical field of cables, more particularly, to a kind of high temperature resistant soft electric wire.
Background technique
High temperature resistant cable refers to a kind of cable that can be worked under high temperature environment, and operating temperature is usually taken the photograph in 80-250
Between family name's degree.In order to promote the temperature capacity of cable, manufacturer would generally select to increase outside cable thicker thermal insulation layer or
Person's armouring can make cable itself lose bending ability although so improving the heat resistance of cable.
Utility model content
In view of this, the utility model is directed to a kind of high temperature resistant soft electric wire, hot operation is resistant in electric wire
While have soft pliable folding characteristic.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of high temperature resistant soft electric wire, comprising: protective layer, the first wrapping layer, the second wrapping layer, third wrapping layer, insulation
Layer and conductor；The conductor is twisted wire, and insulating layer is enclosed with outside conductor, it is wrapped that first is successively surrounded with outside insulating layer
Layer, the second wrapping layer and third wrapping layer, are wrapped with protective layer in third wrapping layer；The lapping direction of first wrapping layer
Stretch out that direction is vertical with conductor, the lapping direction of the second wrapping layer and the direction of lay of conducting wire on the contrary, third wrapping layer it is wrapped
Direction is opposite with the second wrapping layer.
Further, the conductor is twisted by the conductor silk that 37 diameters are 0.02mm, lay ratio 16, conductor
Silk is nichrome silver-coated copper wire, and wherein nickel content is 13%.Chromium content is 2%, and electroplate is with a thickness of between 60-100nm.
Further, the insulating layer is thermoplastic polyimide, with a thickness of 0.02mm.
Further, first wrapping layer is graphite modified polytetrafluoroethylene film, wrapped to put up with a thickness of 0.04mm
Rate is not small with 45%.
Further, second wrapping layer and third wrapping layer are Kapton, and thickness is 0.025mm, around
Packet mode is wrapped to put up.
Further, the protective layer is ethylene-tetrafluoroethylene material, with a thickness of 0.03mm.
Further, the electric wire further includes joint protective sleeve, and the joint protective sleeve includes lower box body, upper cartridge body, silicon
Gum cover and lineation band；
The silica gel sheath is unilateral closed cylindrical shape, open end and lower box body Joint, and silica gel sheath is led for accommodating
The exposed parts of body；
The upper cartridge body and lower box body are unilateral hinged, card slot are equipped in the free side upper surface of lower box body, in upper cartridge body
Corresponding position is equipped with the card with pocket matches, and the card and card slot cooperation can be such that upper and lower box body is locked；In upper box
Catching groove is additionally provided on body sidewall, the catching groove can facilitate the unlatching of upper cartridge body after upper and lower box body locking；
One end of the lineation band is connected with upper cartridge body, and the other end is used for strapping wire, and lineation band is by silastic material system
At.
Further, the inside of the upper cartridge body and lower box body is equipped with fixinig plate, and the fixinig plate is used for in box body
The conducting wire in portion is limited, and silicone rubber coating is equipped on the notch of fixinig plate, prevents fixinig plate from carrying out clamping limit to electric wire
When damage electric wire.
Further, the free end of the lineation band is equipped with connection buckle, and two connection buckles are connected through a screw thread.
Compared with the existing technology, a kind of high temperature resistant soft electric wire described in the utility model has the advantage that
(1) a kind of high temperature resistant soft electric wire described in the utility model, can continue working under 200 DEG C of hot environment,
Since its external structure is all made of lapping structure, there is outstanding bending ability.
(2) a kind of high temperature resistant soft electric wire described in the utility model uses silver-plated corronil as conductor, in high temperature
Under the conditions of electric conductivity it is good；External wrapped modified Teflon and polyimides improve under the premise of guaranteeing insulation
The temperature capacity of electric wire.
(3) the exposed conductor of joint protective sleeve energy effective protection described in the utility model, the lineation being connected with upper cartridge body
Band can tie up redundant electric wires, facilitate staff.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is wire structure schematic diagram described in the utility model embodiment；
Fig. 2 is joint protective sleeve described in the utility model embodiment and electric wire assembling schematic diagram.
Fig. 3 is joint protective sleeve open state schematic diagram described in the utility model embodiment.
Description of symbols:
1- conductor；2- insulating layer；The first wrapping layer of 3-；The second wrapping layer of 4-；5- third wrapping layer；6- protective layer；On 71-
Box body；711- card；712- fixinig plate；713- catching groove；72- lower box body；721- card slot；8- silica gel sheath；9- lineation band；91- connects
Buckle.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of high temperature resistant soft electric wire, comprising: protective layer 6, the first wrapping layer 3, the second wrapping layer 4, third wrapping layer 5,
Insulating layer 2 and conductor 1.The spacer structure schematic diagram of electric wire is enclosed with as shown in Figure 1, conductor 1 is twisted wire outside conductor 1
Insulating layer 2 is successively surrounded with the first wrapping layer 3, the second wrapping layer 4 and third wrapping layer 5 outside insulating layer 2, wrapped in third
Layer 5 is wrapped with protective layer 6.
Wherein, the first wrapping layer 3 lapping direction with conductor 1 stretch out direction it is vertical, the lapping direction of the second wrapping layer 4 with
The direction of lay of conducting wire is on the contrary, the lapping direction of third wrapping layer 5 is opposite with the second wrapping layer 4.
It should be noted that wrapped is a kind of band mode of cable, by wrapped means can will act as protection or
The material of insulation is wrapped in outside conductor.There is outstanding flexibility using the cable that wrapped gimmick is made, while wrapped
Later it can strengthen the fitting inside conducting wire, enhance the electric conductivity of conductor.In the present embodiment the lapping direction of the first wrapping layer 3 with
Conductor 1 is vertical, as laterally wrapped, and main function is the laminating degree for strengthening twisted wire；Second wrapping layer 4 and third are wrapped
Layer 5 be it is oblique wrapped, the lapping direction of the second wrapping layer 4 with the direction of lay of conductor 1 on the contrary, its main function be resistance lead
Body 1 is twisted bring torsional moment, and third wrapping layer 5 contrary with the second wrapping layer 4 is to strengthen wire insulation
While energy, the second wrapping layer 4 is strengthened.
Effect explanation is carried out to above scheme below:
There is higher mechanicalness and flexibility using conductor 1 made of stranded mode, adapted to compared with single cord
Higher working frequency；Insulating layer 2,5 energy of the first wrapping layer 3, the second wrapping layer 4 and third wrapping layer wrapped up outside conductor 1
The insulation effect for strengthening electric wire, prevents from causing danger when work, while making electric wire itself have outstanding flexibility, can be carried out curved
It rolls over, the damage that the protective layer 6 outside third wrapping layer 5 can prevent electric wire from generating by external force.
As a preferred embodiment of the present embodiment, this cable can be made of following material:
Wherein, conductor 1 is conductor 1 of 0.02mm by 37 diameters and is twisted that lay ratio 16, conductor 1 is
Nichrome silver-coated copper wire, wherein nickel content is 13%.Chromium content is 2%, and electroplate is with a thickness of between 60-100nm.
Wherein, insulating layer 2 is thermoplastic polyimide, with a thickness of 0.02mm.
Wherein, the first wrapping layer 3 is graphite modified polytetrafluoroethylene film, and with a thickness of 0.04mm, wrapped overlap rate is not small
With 45%；Second wrapping layer 4 and third wrapping layer 5 are Kapton, and thickness is 0.025mm, are to put up around packet mode
It is wrapped.
Wherein, protective layer 6 is ethylene-tetrafluoroethylene material, with a thickness of 0.03mm.
It should be noted that so-called lay ratio is an important parameter for measuring stranded conductor.In twisted wire axis direction
A complete helix spacing be called pitch length, and the ratio of pitch length and twisted wire outer diameter is exactly lay ratio.Section
Diameter is closer than bigger twisted wire, but its flexibility is lower.
It should be noted that thermoplastic polyimide is process on the basis of conventional thermosetting polyimides,
It long-term work and can not be deformed at -269-280 DEG C, select the material as absolutely with excellent high temperature performance
Edge layer 2 can provide safeguard for the work of conductor 1, even if thermal deformation occurs for three layers of external wrapping layer, insulating layer 2 can also be protected
Conductor 1 works normally.
It should be noted that graphite modified polytetrafluoroethylene (PTFE) is the filled graphite in polytetrafluoroethylene (PTFE), after stirring evenly at a high speed
A kind of material that is molded, being made using high temperature sintering.The material has except conventional polytetrafluoroethylene (PTFE) characteristic
Also there is good creep properties and torque retentivity, can preferably protect conductor 1.
It should be noted that overlap rate is a wrapped important parameter of description, refers to that single layer is wrapped and forward lap
The ratio of partial band width and single band width.Overlap rate is bigger, and protecting effect is better.Second wrapping layer 4 and
It is wrapped situation of the overlap rate more than or equal to 20% that three wrapping layers 5 were selected, which puts up wrapped,.
It should be noted that ethylene-tetrafluoroethylene is a kind of fluoroplastics that obdurability is high, tensile strength is close to poly- four
2 times of vinyl fluoride can be used for a long time under 220 degree of environment.
As a preferred embodiment of the present embodiment, this cable further includes joint protective sleeve, as shown in Figures 2 and 3,
Fig. 2 is schematic diagram when joint protective sleeve is closed, and Fig. 3 is schematic diagram when joint protective sleeve is opened, as we know from the figure:
Joint protective sleeve includes lower box body 72, upper cartridge body 71, silica gel sheath 8 and lineation band 9；
Silica gel sheath 8 is unilateral closed cylindrical shape, open end and 72 Joint of lower box body, and silica gel sheath 8 is led for accommodating
The exposed parts of body 1；
Upper cartridge body 71 and lower box body 72 are unilateral hinged, card slot 721 are equipped in the free side upper surface of lower box body 72, in upper box
The corresponding position of body 71, which is equipped with, can make upper and lower box body with the matched card 711 of card slot 721, card 711 and the cooperation of card slot 721
72 are locked；Catching groove 713 is additionally provided on 71 side wall of upper cartridge body, catching groove 713 convenience can go up box after the locking of upper and lower box body 72
The unlatching of body 71.
One end of lineation band 9 is connected with upper cartridge body 71, and the other end is used for strapping wire, and lineation band 9 is by silastic material system
At.
Wherein, the inside of upper cartridge body 71 and lower box body 72 is equipped with fixinig plate 712, and fixinig plate 712 is used for tray interior
Conducting wire limited, on the notch of fixinig plate 712 be equipped with silicone rubber coating, prevent fixinig plate 712 from clamping to electric wire
Electric wire is damaged when limit.
Wherein, the free end of lineation band 9 is equipped with connection buckle 91, and two connection buckles 91 are connected through a screw thread.
It should be noted that can hingedly be realized by shaft or Upset hinge between upper cartridge body 71 and lower box body 72.
It should be noted that cable is placed in lower box body 72 when using joint protective sleeve, the exposed conductor 1 of cable is inserted
Enter inside silica gel sheath 8, carry out insulation protection, then close upper cartridge body 71, card 711 is embedded in inside card slot 721, is realized upper and lower
The locking of box body, and extra cable is tied up by lineation band 9.When needing to remove joint protective sleeve, catching groove is pressed
713, the card slot 712 so that card 711 is staggered, to open upper cartridge body 71.
Below with reference to above-mentioned whole preferred embodiments, effect explanation is carried out to the present embodiment:
The stranded conductor 1 made of silver-plated corronil can preferably conduct electric current under high temperature environment；Its outside
Insulating layer 2, the first wrapping layer 3, the second wrapping layer 4 and third wrapping layer 5 can be by thermoplastic polyimide, graphite modified poly- four
The heat resistance of vinyl fluoride and polyimides enhancing conductor 1, enables the long-term work under 200 DEG C of environment of this electric wire, use
This electric wire free folding can be enabled in the flexibility for guaranteeing cable around packet mode by intersecting；The ethylene-that protective layer 6 is selected is poly-
Tetrafluoroethene has extremely strong obdurability, its internal cable of energy effective protection；The joint protective sleeve of the present embodiment can be protected outer
The conductor 1 of dew, while extra cable can be tied up, facilitate the transport and use of this cable.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of high temperature resistant soft electric wire, it is characterised in that: including protective layer (6), the first wrapping layer (3), the second wrapping layer
(4), third wrapping layer (5), insulating layer (2) and conductor (1)；The conductor (1) is twisted wire, is enclosed with outside conductor (1)
Insulating layer (2) is successively surrounded with the first wrapping layer (3), the second wrapping layer (4) and third wrapping layer (5) in insulating layer (2) outside,
Protective layer (6) are wrapped in third wrapping layer (5)；Direction is stretched out in the lapping direction of first wrapping layer (3) and conductor (1)
Vertically, the lapping direction of the second wrapping layer (4) and the direction of lay of conducting wire are on the contrary, the lapping direction of third wrapping layer (5) and
Two wrapping layers (4) are opposite.
2. a kind of high temperature resistant soft electric wire according to claim 1, it is characterised in that: the conductor (1) is by 37 diameters
It is twisted for conductor (1) silk of 0.02mm, lay ratio 16, conductor (1) silk is nichrome silver-coated copper wire, and wherein nickel contains
Amount is 13%, and chromium content 2%, electroplate is with a thickness of between 60-100nm.
3. a kind of high temperature resistant soft electric wire according to claim 1, it is characterised in that: the insulating layer (2) is thermoplasticity
Polyimides, with a thickness of 0.02mm.
4. a kind of high temperature resistant soft electric wire according to claim 1, it is characterised in that: first wrapping layer (3) is stone
Black modified Teflon film, with a thickness of 0.04mm, wrapped overlap rate is not small with 45%.
5. a kind of high temperature resistant soft electric wire according to claim 1, it is characterised in that: second wrapping layer (4) and
Three wrapping layers (5) are Kapton, and thickness is 0.025mm, are put up around packet mode wrapped.
6. a kind of high temperature resistant soft electric wire according to claim 1, it is characterised in that: the protective layer (6) is ethylene-four
Fluoride material, with a thickness of 0.03mm.
7. a kind of high temperature resistant soft electric wire according to claim 1, it is characterised in that: the electric wire further includes joint protective
Set, the joint protective sleeve includes lower box body (72), upper cartridge body (71), silica gel sheath (8) and lineation band (9)；
The silica gel sheath (8) is unilateral closed cylindrical shape, and open end and lower box body (72) Joint, silica gel sheath (8) are used for
Accommodate the exposed parts of conductor (1)；
The upper cartridge body (71) and lower box body (72) are unilateral hinged, are equipped with card slot in the free side upper surface of lower box body (72)
(721), it is equipped with and card slot (721) matched card (711) in the corresponding position of upper cartridge body (71)；In upper cartridge body (71) side wall
It is equipped with catching groove (713)；
One end of the lineation band (9) is connected with upper cartridge body (71), and the other end is used for strapping wire, and lineation band (9) is by silicon rubber
Material is made.
8. a kind of high temperature resistant soft electric wire according to claim 7, it is characterised in that: the upper cartridge body (71) and lower box body
(72) inside is equipped with the fixinig plate (712) limited to the conducting wire of tray interior, sets on the notch of fixinig plate (712)
There is silicone rubber coating.
9. a kind of high temperature resistant soft electric wire according to claim 8, it is characterised in that: the free end of the lineation band (9)
Equipped with connection buckle (91), two connection buckles (91) are connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965048.XU CN208706270U (en) | 2018-06-22 | 2018-06-22 | A kind of high temperature resistant soft electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965048.XU CN208706270U (en) | 2018-06-22 | 2018-06-22 | A kind of high temperature resistant soft electric wire |
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| Publication Number | Publication Date |
|---|---|
| CN208706270U true CN208706270U (en) | 2019-04-05 |
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ID=65936918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820965048.XU Active CN208706270U (en) | 2018-06-22 | 2018-06-22 | A kind of high temperature resistant soft electric wire |
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| CN (1) | CN208706270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735636A (en) * | 2020-12-28 | 2021-04-30 | 安徽宏源特种电缆集团有限公司 | High-temperature-resistant fireproof flexible cable and manufacturing method thereof |
-
2018
- 2018-06-22 CN CN201820965048.XU patent/CN208706270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735636A (en) * | 2020-12-28 | 2021-04-30 | 安徽宏源特种电缆集团有限公司 | High-temperature-resistant fireproof flexible cable and manufacturing method thereof |
| CN112735636B (en) * | 2020-12-28 | 2022-07-05 | 安徽宏源特种电缆集团有限公司 | High-temperature-resistant fireproof flexible cable and manufacturing method thereof |
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