CN109243703A - The preparation method and high frequency transmission line of high frequency transmission line with longitudinal clad structure - Google Patents
The preparation method and high frequency transmission line of high frequency transmission line with longitudinal clad structure Download PDFInfo
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- CN109243703A CN109243703A CN201811026891.2A CN201811026891A CN109243703A CN 109243703 A CN109243703 A CN 109243703A CN 201811026891 A CN201811026891 A CN 201811026891A CN 109243703 A CN109243703 A CN 109243703A
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- shielding
- insulation core
- layer
- band
- high frequency
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1091—Screens specially adapted for reducing interference from external sources with screen grounding means, e.g. drain wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/002—Pair constructions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention discloses the preparation method and high frequency transmission line of a kind of high frequency transmission line with longitudinal clad structure, including two insulation core wires, the compound jacket of shielding, two ground wires and outer layer polyester band, two insulation core wires are parallel to each other, and the lateral wall of two insulation core wires is closely；Compound jacket is shielded to be coated on outside two insulation core wires, the lateral wall of the inner sidewall and two insulation core wires that shield compound jacket is closely, the a side for shielding compound jacket is closely attached on another side for shielding compound jacket, and has mutual lap；The lateral wall of two ground wires respectively with shield the lateral wall of compound jacket closely, and make the line coincident between the central point of the line and two insulation core wires between the central point of two ground wires.The present invention provides that a kind of transmission of signal is more stable, efficiency of transmission is high, flexibility is more preferable and solves the preparation method and high frequency transmission line of the high frequency transmission line with longitudinal direction clad structure of local reflex Overdosing problems.
Description
Technical field
The present invention relates to high-frequency transmission wire rod fields, more particularly to a kind of high frequency transmission line with longitudinal clad structure
Preparation method and high frequency transmission line.
Background technique
The equipment that transmission line conveys the linear structure of electromagnetic energy.It is the important component of telecommunication system, is used to load
There is the electromagnetic wave of information, is transported to another point along any is routed from as defined in transmission line.Traditional high speed parallel line is single ground
Cable architecture, different size ground wire is of different sizes, and especially multipair wire rod structure is partially hard, is unfavorable for the processing and reduction of finished product ground wire
The flexibility of wire rod finished product；And traditional double earth wire is shielding band transverse direction lapping structure, high-frequency transmission performance is poor, and inserts
Enter to be lost larger.
It is appreciated that existing shielding band transverse direction spiral winding setting, two layers of shielding band of spiral winding can generate one
Fixed alternate overlay structure leads to the local reflex Overdosing problems of overlay structure, and signal transmission is unstable, and transmission efficiency is low
Under；Also, in existing high-speed transmission line, ground wire is provided in core wire, so that the flexibility of high-speed transmission line is deteriorated.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, provide that a kind of signal transmission is more stable, transmission
High-efficient, flexibility is more preferable and solves the preparation of the high frequency transmission line with longitudinal clad structure of local reflex Overdosing problems
Method and high frequency transmission line.
The purpose of the present invention is achieved through the following technical solutions:
A kind of preparation method of the high frequency transmission line with longitudinal clad structure, includes the following steps:
Warm-up operation is carried out to plain conductor, then the plain conductor after preheating is carried out to squeeze out overmolded operation, is used for
The extrusion molding insulating covering outside the plain conductor then after cooling and solidifying, obtains insulation core wire；
Two insulation core wires are straightened in parallel, and the lateral wall both made is closely, in two insulation
Core wire is outer and along the shielding band with rectangle structure after one layer of expansion of the length direction of insulation core wire tiling；
Folding operation is carried out to the shielding band, and a side of the shielding band is made closely to be attached to the shielding band
On another side, to form the closed compound jacket of shielding, also, the compound jacket of shielding outside two insulation core wires
Inner sidewall and two insulation core wires lateral wall closely；
Two ground wires are straightened in parallel, and make the lateral wall of the lateral walls of two ground wires respectively with the compound jacket of shielding
Closely, and make between the central point of the line and two insulation core wires between the central point of two ground wires
Line coincident；
Outer layer polyester band is carried out outside the compound jacket of the shielding and two ground wires using spiral winding technique
It is wrapped around operation, after heat aging operation, obtains the high frequency transmission line with longitudinal clad structure.
In one of the embodiments, described outside two insulation core wires and along the length of the insulation core wire
In the operation of shielding band after one layer of expansion of direction tiling with rectangle structure,
The shielding band includes the first gluing oxidant layer, pet layer, the second gluing oxidant layer and the metal layer of laminated structure setting,
The first gluing oxidant layer of the shielding band is Nian Jie with the lateral wall of two insulation core wires respectively, and make the shielding
The metal layer of band is set towards exposed.
Folding operation is carried out to the shielding band described in one of the embodiments, and makes the one of the shielding band
Side is closely attached in the operation on another side of the shielding band, first gluing of a side of the shielding band
Oxidant layer is closely attached on the metal layer of another side of the shielding band.
Be straightened in parallel by two ground wires in one of the embodiments, and make the lateral walls of two ground wires respectively with institute
It states and shields in the operation of compound jacket closely, make the lateral walls of the two ground wires institute with the compound jacket of shielding respectively
State metal layer closely.
Outer layer polyester band is being shielded into compound jacket described using spiral winding technique in one of the embodiments,
And be wound before the operation of cladding outside two ground wires, it further include following steps: in the outer layer polyester band
Adhesive is coated on side wall, to form gluing oxidant layer in the outer layer polyester band；
It is wrapped around in operation described, and in the overlay structure caused by the outer layer polyester band, described in one layer
The gluing oxidant layer of outer layer polyester band is adhered on the lateral wall of another layer outer layer polyester band.
The present invention also provides a kind of high frequency transmission lines with longitudinal clad structure, comprising:
Two insulation core wires, two insulation core wires are parallel to each other, and the lateral wall of two insulation core wires is tight
It gets together；
Compound jacket is shielded, the compound jacket of shielding is coated on outside two insulation core wires, also, the shielding is multiple
Closely, a side of the compound jacket of shielding is tight for the lateral wall of the inner sidewall and two insulation core wires that close jacket
On the closely connected another side for being attached to the compound jacket of shielding；
Two ground wires, two ground wires are parallel to each other, and the lateral wall of two ground wires shields compound jacket with described respectively
Lateral wall closely, and make the center of the line and two insulation core wires between the central point of two ground wires
Line coincident between point；And
Outer layer polyester band, the outer layer polyester band spiral winding setting shield described in compound jacket and two described
Outside ground wire.
The deployed configuration of the compound jacket of shielding is rectangle in one of the embodiments,.
The compound jacket of shielding includes the first gluing oxidant layer of laminated structure setting, PET in one of the embodiments,
Layer, the second gluing oxidant layer and metal layer, the first gluing oxidant layer of the compound jacket of shielding respectively with two insulation
The lateral wall of core wire is bonded, and the metal layer of the compound jacket of shielding is set towards exposed.
The first gluing oxidant layer of a side of the compound jacket of shielding closely attaches in one of the embodiments,
On the metal layer of another side of the compound jacket of shielding.
The high frequency transmission line further includes gluing oxidant layer in one of the embodiments, and the gluing oxidant layer is adhered to institute
It states on outer layer polyester band, also, in the overlay structure caused by the outer layer polyester band, one layer of outer layer polyester packet
The gluing oxidant layer of band is adhered on the lateral wall of another layer outer layer polyester band.
The present invention compared with the prior art the advantages of and have the beneficial effect that:
The present invention be a kind of high frequency transmission line with longitudinal clad structure preparation method and high frequency transmission line, pass through by
It shields compound jacket and coats two parallel insulation core wires, it is ensured that the consistency of signal transmission avoids the occurrence of alternate weight
Folded part, further increases the efficiency to high frequency signal transmission, improves the stability of the transmission to high-frequency signal, also, should
The cladding mode of high frequency transmission line, which also facilitates, is processed, and a variety of process requirements are met；Using two ground wires disposed in parallel and
Compound jacket is shielded, stable wire rod structure and electric property can be not only kept, the wire rod of high frequency transmission line can also be improved
Flexibility improves the generalization to high frequency transmission line.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the method stream of the preparation method of the high frequency transmission line with longitudinal clad structure of an embodiment of the present invention
Cheng Tu；
Fig. 2 is the structural schematic diagram of the high frequency transmission line with longitudinal clad structure of one embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the compound jacket of shielding shown in Fig. 2；
Fig. 4 is the structural schematic diagram of the compound jacket of shielding of another embodiment shown in Fig. 2.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, a kind of preparation method of the high frequency transmission line with longitudinal clad structure, includes the following steps:
S110, warm-up operation is carried out to plain conductor, then the plain conductor after preheating is carried out to squeeze out overmolded operation,
For the extrusion molding insulating covering outside the plain conductor, then, after cooling and solidifying, insulation core wire is obtained.
It is appreciated that the plain conductor is sent into extruder by feed device, so that coating in metal guiding
Insulation sheath forms insulation core wire after supercooling.It should also be noted that, the insulation sheath is polyethylene.
S120, two insulation core wires are straightened in parallel, and the lateral wall both made is closely, described in two
Insulation core wire is outer and along the shielding band with rectangle structure after one layer of expansion of the length direction of insulation core wire tiling.
It is appreciated that in order to enable two insulation core wires when cladding, can obtain tighter, covered effect so that note is attached
More preferably, so that two insulation core wires are straightened in parallel；Also, two insulation core wires are parallel, can to believe in high frequency
When number transmission, be not in the case where interfering with each other improve stability when high frequency signal transmission, meanwhile, be arranged two
Parallel insulation core wire, and the lateral wall both made is closely, otherness is small during high-frequency transmission, the effect of transmission
Fruit is more preferable, and the consistency of high-frequency transmission is good.It should also be noted that, the shielding band is for realizing the packet to two insulation core wires
It covers, also, the shielding band plays the role of radioshielding, further increases the transmission stability to high-frequency signal.Also to say
Bright, the length direction of the insulation core wire is the direction that insulation core wire extends, that is, the length side of two insulation core wires
To for horizontal longitudinal direction.
S130, folding operation is carried out to the shielding band, and a side of the shielding band is made closely to be attached to the screen
On another side of shield tape, to form the closed compound jacket of shielding outside two insulation core wires, also, the shielding is multiple
The lateral wall of the inner sidewall and two insulation core wires that close jacket is closely.
It is appreciated that, so that two insulation core wires are coated in shielding band, being compared after the shielding band mutually folds
For traditional cladding process, the technique of this cladding is simpler, is more convenient, it is easier to and implement and processes, meanwhile, and can expire
The transmission of the performances such as sufficient high frequency insertion loss.Also need to illustrate is upper, described in the inner sidewall of the compound jacket of the shielding and two
Closely, the fixation to two insulation core wires can be improved in the lateral wall of insulation core wire, it is also possible that high frequency transmission line
Structure it is more compact, and then can guarantee the stability of the transmission of high frequency transmission line.
It should also be noted that traditional shielding band is laterally spiral winding structure, during winding, it may appear that
Alternate lap has alternately, these laps tend to interfere with the transmission of high-frequency signal, so that traditional wire rod is not
The characteristic of high-frequency transmission can be reached；In one embodiment, a side by the way that the shielding band is arranged closely is attached to the screen
On another side of shield tape, compound jacket is shielded to be formed outside two insulation core wires, is shielded on compound jacket herein simultaneously
There is no alternate laps, therefore, so that the high frequency transmission line is when transmitting high-frequency signal, and it is not in part
It reflects Overdosing problems and improves the efficiency of transmission of high-frequency signal so as to improve the stability of the transmission to high-frequency signal.
Further, although also will appear lap on the compound jacket of the shielding of the application, lap here is that have
Duration, centre is not in interval, which alternately stacked phenomenon will not occurs；Meanwhile coming in structure
It says, the lap of the application, can not only guarantee the validity for shielding compound jacket cladding, but also can avoid the occurrence of alternately stacked
The phenomenon that；If it is nonoverlapping not occur shielding band during cladding, it is likely that the compound jacket of shielding occur and does not have
There is cladding completely, i.e. cladding junction has gap, and in use, if there is the transmission line for vibrating or pullling
If, then it is easy then to be not carried out and completely protect insulation core wire, keep pouring in reduce height so that transmission line is scattered
The efficiency of transmission of defeated line reduces the transmission stability of high frequency transmission line, also reduces the service life of high frequency transmission line.
S140, two ground wires are straightened in parallel, and make the lateral walls of two ground wires respectively with the compound jacket of shielding
Lateral wall closely, and makes the central point of the line and two insulation core wires between the central point of two ground wires
Between line coincident.
It is appreciated that two ground wires are straightened, then it can be convenient and processing and packaging carried out to two ground wires.Also, two
Line between the central point of the ground wire and the line coincident between the central point of two insulation core wires, i.e., described in two
Ground wire is arranged in parallel with two insulation core wires, so as to keep stable wire rod structure and electric property, compared to biography
Two ground wires, are arranged in the outside for shielding compound jacket, product line may be implemented by system ground wire is arranged in insulation core wire
Material flexibility, the also convenient processing practicability to ground wire and insulation core wire, meets a variety of process requirements, greatly improves and promote
Property.
S150, use spiral winding technique outside the compound jacket of the shielding and two ground wires outer layer polyester band
It is wound cladding operation, after heat aging operation, obtains the high frequency transmission line with longitudinal clad structure.
It is appreciated that being wrapped by the way of spiral winding after placing two ground wires and two insulation core wires
It covers, can be convenient and processed, and after being heated, realize final high frequency transmission line, can be improved to high frequency transmission line
Protection improves the service life to high frequency transmission line.
In this way, coating two parallel insulation core wires by the way that compound jacket will be shielded, it is ensured that signal transmits consistent
Property, alternate lap is avoided the occurrence of, the efficiency to high frequency signal transmission is further increased, improves the biography to high-frequency signal
Defeated stability, also, the cladding mode of the high frequency transmission line also facilitates and is processed, and meets a variety of process requirements；Using flat
Two ground wires and the compound jacket of shielding of row setting, can not only keep stable wire rod structure and electric property, can also mention
The wire rod flexibility of high high frequency transmission line, improves the generalization to high frequency transmission line.
In one embodiment, described outside two insulation core wires and along the length direction of the insulation core wire
In the operation for shielding band tiled one layer after being unfolded with rectangle structure,
The shielding band includes the first gluing oxidant layer, pet layer, the second gluing oxidant layer and the metal layer of laminated structure setting,
The first gluing oxidant layer of the compound jacket of shielding is Nian Jie with the lateral wall of two insulation core wires respectively, and make institute
It states and shields the metal layer of compound jacket and set towards exposed.
It should be noted that the first gluing oxidant layer is Nian Jie with two insulation core wires for that will shield compound jacket
Together, the stability to cladding is improved, and then conveniently to the process operation of insulation core wire；The pet layer is for guaranteeing aluminium foil
Processing validity, when in aluminium foil heat aluminium foil after, can be convenient and aluminium foil is processed, improve the hardness of aluminium foil.Described
Two gluing oxidant layer are used in pet layer improve metal bonding layer to the stability for shielding compound jacket；The metal layer is used for
It realizes to electromagnetic interference is lowered, further improves the stability of high frequency signal transmission.
In one embodiment, folding operation is carried out to the shielding band described, and makes a side of the shielding band
It is closely attached in the operation on another side of the shielding band, the first gluing oxidant layer of a side of the shielding band
It is closely attached on the metal layer of another side of the shielding band.
It should be noted that carrying out folding operation to the shielding band, two insulation core wires are placed on the middle part of shielding band
At position, then, the side for shielding band is bent, for example, the left side for shielding band is bent, so that the part bonding of left side bending
On two insulation core wires；And then bend the right side for shielding band, so that the part of right side bending is bonded in shielding band
Left side bending part on so as to the complete cladding of two insulation core wires, thoroughly do away with edge to two in this way, can be improved
The covered effect of core wire, so that the more compact structure of wire rod, and then the transmission stability to high-frequency signal can be improved, it improves high
The laser propagation effect of frequency signal.
In one embodiment, be straightened in parallel by two ground wires, and make the lateral walls of two ground wires respectively with the screen
It covers in the operation of compound jacket closely, makes the gold of the lateral walls of two ground wires respectively with the compound jacket of shielding
Belong to layer closely.
It, can be with it should be noted that by by two ground wires and shielding the metal layer of compound jacket closely
Keep in stable object structurally and electrically performance to realize finished wire rod flexibility and processing practicability meet a variety of processing
Demand greatly improves generalization.
In one embodiment, outer layer polyester band is being shielded into compound jacket and two described using spiral winding technique
It is wound before the operation of cladding outside ground wire described in root, further includes following steps: in the inner sidewall of the outer layer polyester band
Upper coating adhesive, to form gluing oxidant layer in the outer layer polyester band；
It is wrapped around in operation described, and in the overlay structure caused by the outer layer polyester band, described in one layer
The gluing oxidant layer of outer layer polyester band is adhered on the lateral wall of another layer outer layer polyester band.
It should be noted that by setting gluing oxidant layer, can winding when, more steadily note be attached to two ground wires and
It shields on compound jacket, improves the structural stability to wire rod, the protective effect to high frequency transmission line can also be improved, improve high
The service life of frequency transmission line.
Referring to Fig. 2, the present invention also provides a kind of high frequency transmission lines with longitudinal clad structure, comprising: two thoroughly do away with edge
Core wire 100, compound 200, two ground wires 300 of jacket of shielding and outer layer polyester band 400, the insulation core wire 100 for realizing
The transmission of high-frequency signal；The compound jacket 200 of shielding is realized for realizing the shielding to high-frequency signal to two insulating cores
The coating function of line lowers the electromagnetic interference to high-frequency signal；The ground wire 300 is for realizing ground connection；The outer layer polyester packet
With 400 for realizing the protective effect to high frequency transmission line.
Referring to Fig. 2, two insulation core wires 100 are parallel to each other, and the outside of two insulation core wires 100
Wall is closely.In this way, being parallel to each other by the way that two insulation core wires 100 are arranged, it is ensured that the letter of high frequency transmission line
Number transmission consistency, improve the stability of the transmission of high-frequency signal.
Referring to Fig. 2, the compound jacket 200 of shielding is coated on outside two insulation core wires 100, also, the screen
The lateral wall of the inner sidewall and two insulation core wires 100 that cover compound jacket 200 is closely, described to shield compound jacket
200 a side is closely attached on another side of the compound jacket 200 of shielding, and has mutual lap.?
It is Nian Jie with the other side realization for shielding compound jacket 200 after a side bending for shielding compound jacket 200, and then can be complete
Two insulation core wires are coated, improve the anti-jamming effectiveness to high-frequency signal, and then improve the transmission stability to high-frequency signal.
It should be noted that the lap, that is, a side of the compound jacket 200 of shielding be closely attached to it is described
On another side for shielding compound jacket 200, which to shield one enclosed structure of compound jacket formation, from
And shield effectiveness can be improved, and then improve the stability of high frequency signal transmission.
It should also be noted that traditional shielding band is laterally spiral winding structure, during winding, it may appear that
Alternate lap has alternately, these laps tend to interfere with the transmission of high-frequency signal, so that traditional wire rod is not
The characteristic of high-frequency transmission can be reached；In one embodiment, a side by the way that the shielding band is arranged closely is attached to the screen
On another side of shield tape, to form the closed compound jacket of shielding outside two insulation core wires, compound packet is shielded herein
It puts on and alternate lap is not present, therefore, so that the high frequency transmission line can't go out when transmitting high-frequency signal
Existing local reflex Overdosing problems improve the biography of high-frequency signal so as to improve the stability of the transmission to high-frequency signal
Defeated efficiency.Further, although also will appear lap on the compound jacket of the shielding of the application, overlapping portion here
Dividing has duration, and centre is not in interval, which alternately stacked phenomenon will not occurs；Meanwhile
For in structure, the lap of the application can not only guarantee the validity for shielding compound jacket cladding, but also can avoid the occurrence of
Alternately stacked phenomenon；If it is nonoverlapping not occur shielding band during cladding, it is likely that it is multiple shielding occur
It closes jacket not coating completely, i.e. cladding junction is with gap, and in use, if there is vibrating or pull
Transmission line if, then be easy then to be not carried out and completely protect insulation core wire, to reduce so that transmission line is scattered
The efficiency of transmission of high frequency transmission line, reduces the transmission stability of high frequency transmission line, also reduces the use of high frequency transmission line
Service life.
Referring to Fig. 2, two ground wires 300 are parallel to each other, the lateral wall of two ground wires 300 is multiple with the shielding respectively
It closes the lateral wall of jacket 200 closely, and keeps line between the central point of two ground wires 300 described exhausted with two
Line coincident between the central point of edge core wire 100.In this way, the company between the central point for passing through two ground wires 300 of setting
Line coincident between line and the central point of two insulation core wires 100, two ground wires and two insulation core wires
It is arranged in parallel, so as to keep stable wire rod structure and electric property, ground wire is arranged in insulating core compared to traditional
In lines, two ground wires are arranged in the outside for shielding compound jacket, finished wire rod flexibility may be implemented, it is also convenient to ground wire and
The processing practicability of insulation core wire, meets a variety of process requirements, greatly improves generalization.
Referring to Fig. 2,400 spiral winding of the outer layer polyester band setting shields described in compound jacket and two described
Outside ground wire.It should be noted that being carried out by the way of spiral winding after placing two ground wires and two insulation core wires
Cladding, can be convenient and processed, and after being heated, realizes final high frequency transmission line, can be improved to high frequency transmission line
Protection, improve to the service life of high frequency transmission line.
It should be noted that the deployed configuration of the compound jacket 200 of shielding is rectangle.So, it is ensured that wrapping
When covering two insulation core wires, the part for shielding and being overlapped after compound jacket cladding can be improved, there is continuity, be not in
Alternately stacked phenomenon in existing, and the validity of high frequency signal transmission is then more interfered in alternately stacked part, therefore, leads to
Setting rectangle structure is crossed, the transmission stability to high-frequency signal can be improved.
It should be noted that referring to Fig. 3, the compound jacket 200 of shielding includes the first gluing of laminated structure setting
The first gluing oxidant layer 210 of oxidant layer 210, pet layer 220, the second gluing oxidant layer 230 and metal layer 240, the shielding band is divided
Not Nian Jie with the lateral wall of two insulation core wires, the metal layer of the shielding band is set towards exposed.Preferably, the gold
Category layer 240 is copper foil, aluminium foil or other shielding materials.
It should be noted that the first gluing oxidant layer 210 is bonded in for that will shield band with two insulation core wires
Together, the stability to cladding is improved, and then conveniently to the process operation of insulation core wire；The PET layer 220 is for guaranteeing aluminium
The processing validity of foil can be convenient and process to aluminium foil, improve the hardness of aluminium foil after heating aluminium foil in aluminium foil.It is described
Second gluing oxidant layer 230 is used in pet layer 220 improve metal bonding layer to the stability for shielding compound jacket；It is described
Metal layer 240 further improves the stability of high frequency signal transmission for realizing to electromagnetic interference is lowered.
In another embodiment, the compound jacket 200 of shielding includes the pet layer of laminated structure setting, the second gluing
Oxidant layer and metal layer, in this way, same it is also ensured that the processing validity of aluminium foil can be convenient after heating aluminium foil in aluminium foil
Aluminium foil is processed, the hardness of aluminium foil is improved；It can also realize to electromagnetic interference is lowered, further improve high-frequency signal biography
Defeated stability.And by increasing by the first gluing oxidant layer, then two insulation core wires can be more steadily fixed, fixed function is more
Good, processing is more convenient, stronger.
It should be noted that the first gluing oxidant layer of a side of the compound jacket of the shielding be closely attached to it is described
On the metal layer for shielding another side of compound jacket.In this way, carrying out folding operation, two insulating cores to the shielding band
Line is placed at the medium position of shielding band, then, the side for shielding band is bent, for example, referring to Fig. 4, will shield band
Left side bending, so that the part of left side bending is bonded on two insulation core wires；And then the right lateral bend that band will be shielded
Folding, so that the part of right side bending is bonded on the left side bending part of shielding band, so as to two insulation core wires
Complete cladding, in this way, the covered effect to two insulation core wires can be improved, so that the more compact structure of wire rod, Jin Erke
To improve the transmission stability to high-frequency signal, the laser propagation effect of high-frequency signal is improved.
It should be noted that the high frequency transmission line further includes gluing oxidant layer, the gluing oxidant layer is adhered to the outer layer
On polyester band, also, in the overlay structure caused by the outer layer polyester band, the institute of one layer of outer layer polyester band
Gluing oxidant layer is stated to be adhered on the lateral wall of another layer outer layer polyester band.In this way, by the way that two ground wires and shielding are multiple
The metal layer for closing jacket closely, can keep in stable object structurally and electrically performance, to realize product line
Material flexibility and processing practicability, meet a variety of process requirements, greatly improve generalization.
It should be noted that the outer layer polyester band is PET band.The compound jacket of shielding has flat structure.
The insulation core wire has circular cross section.The insulation core wire includes plain conductor and insulation colloid, the insulation colloid
It is coated on outside the plain conductor.The insulation colloid is polyethylene.In this way, the stable structure to high frequency transmission line can be improved
Property and reliability.
It should be noted that the rectangular width of the compound jacket expansion of shielding is greater than the insulation core wire diameter
Six times.The outside that compound jacket can be coated on two insulation core wires completely is shielded in this way, ensure that, so as to improve externally
The anti-interference ability of portion's signal, and then improve the transmission stability of high frequency transmission line.
The present invention compared with the prior art the advantages of and have the beneficial effect that:
The present invention be a kind of high frequency transmission line with longitudinal clad structure preparation method and high frequency transmission line, pass through by
It shields compound jacket and coats two parallel insulation core wires, it is ensured that the consistency of signal transmission avoids the occurrence of alternate weight
Folded part, further increases the efficiency to high frequency signal transmission, improves the stability of the transmission to high-frequency signal, also, should
The cladding mode of high frequency transmission line, which also facilitates, is processed, and a variety of process requirements are met；Using two ground wires disposed in parallel and
Compound jacket is shielded, stable wire rod structure and electric property can be not only kept, the wire rod of high frequency transmission line can also be improved
Flexibility improves the generalization to high frequency transmission line.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed, but
It cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to of the invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of preparation method of the high frequency transmission line with longitudinal clad structure, which comprises the steps of:
Warm-up operation is carried out to plain conductor, then the plain conductor after preheating is carried out to squeeze out overmolded operation, in institute
It states the outer extrusion molding insulating covering of plain conductor and then after cooling and solidifying, obtains insulation core wire；
Two insulation core wires are straightened in parallel, and the lateral wall both made is closely, in two insulation core wires
Shielding band outer and that there is rectangle structure after one layer of expansion of the length direction of insulation core wire tiling；
Folding operation is carried out to the shielding band, and a side of the shielding band is made closely to be attached to the another of the shielding band
On side, to form the closed compound jacket of shielding outside two insulation core wires, also, the compound jacket of shielding is interior
The lateral wall of side wall and two insulation core wires is closely；
Two ground wires are straightened in parallel, and make the lateral walls of two ground wires respectively with the lateral wall of the compound jacket of shielding closely
Together, and make line between the central point of the line and two insulation core wires between the central point of two ground wires
It is overlapped；
Outer layer polyester band is wound outside the compound jacket of the shielding and two ground wires using spiral winding technique
Cladding operation after heat aging operation, obtains the high frequency transmission line with longitudinal clad structure.
2. the preparation method of the high frequency transmission line with longitudinal clad structure according to claim 1, which is characterized in that
It is described that there is rectangle outside two insulation core wires and after one layer of expansion of the length direction of insulation core wire tiling
In the operation of the shielding band of structure,
The shielding band includes the first gluing oxidant layer, pet layer, the second gluing oxidant layer and the metal layer of laminated structure setting, by institute
The the first gluing oxidant layer for stating shielding band is Nian Jie with the lateral wall of two insulation core wires respectively, and makes the shielding band
The metal layer is set towards exposed.
3. the preparation method of the high frequency transmission line with longitudinal clad structure according to claim 2, which is characterized in that
It is described that folding operation is carried out to the shielding band, and a side of the shielding band is made closely to be attached to the another of the shielding band
In operation on side, the first gluing oxidant layer of a side of the shielding band is closely attached to the another of the shielding band
On the metal layer of side.
4. the preparation method of the high frequency transmission line with longitudinal clad structure according to claim 2, which is characterized in that
Two ground wires are straightened in parallel, and make the lateral wall operation with the compound jacket of shielding closely respectively of two ground wires
In, make the lateral walls of two ground wires respectively with the metal layer of the compound jacket of shielding closely.
5. the preparation method of the high frequency transmission line with longitudinal clad structure according to claim 1, which is characterized in that
Outer layer polyester band is wound cladding outside the compound jacket of the shielding and two ground wires using spiral winding technique
Operation before, further include following steps: adhesive coated on the inner sidewall of the outer layer polyester band, in the outer layer
Gluing oxidant layer is formed in polyester band；
It is wrapped around in operation described, and in the overlay structure caused by the outer layer polyester band, one layer of outer layer
The gluing oxidant layer of polyester band is adhered on the lateral wall of another layer outer layer polyester band.
6. a kind of high frequency transmission line with longitudinal clad structure characterized by comprising
Two insulation core wires, two insulation core wires are parallel to each other, and the lateral wall of two insulation core wires is close in
Together；
Compound jacket is shielded, the compound jacket of shielding is coated on outside two insulation core wires, also, the compound packet of shielding
The lateral wall of the inner sidewall of set and two insulation core wires closely, closely paste by a side of the compound jacket of shielding
It is attached on another side of the compound jacket of shielding；
Two ground wires, two ground wires are parallel to each other, and the lateral wall of two ground wires is outer with the compound jacket of shielding respectively
Side wall closely, and make line and two insulation core wires between the central point of two ground wires central point it
Between line coincident；And
Outer layer polyester band, the outer layer polyester band spiral winding are arranged in the compound jacket of the shielding and two ground wires
Outside.
7. the high frequency transmission line with longitudinal clad structure according to claim 6, which is characterized in that the shielding is compound
The deployed configuration of jacket is rectangle.
8. the high frequency transmission line with longitudinal clad structure according to claim 6, which is characterized in that the shielding is compound
Jacket includes the first gluing oxidant layer, pet layer, the second gluing oxidant layer and the metal layer of laminated structure setting, the compound packet of shielding
The first gluing oxidant layer of set is Nian Jie with the lateral wall of two insulation core wires respectively, described to shield the described of compound jacket
Metal layer is set towards exposed.
9. the high frequency transmission line with longitudinal clad structure according to claim 8, which is characterized in that the shielding is compound
The first gluing oxidant layer of a side of jacket is closely attached to the metal of another side of the compound jacket of shielding
On layer.
10. the high frequency transmission line with longitudinal clad structure according to claim 6, which is characterized in that the height is kept pouring in
Defeated line further includes gluing oxidant layer, and the gluing oxidant layer is adhered on the outer layer polyester band, also, in the outer layer polyester packet
With in generated overlay structure, the gluing oxidant layer of one layer of outer layer polyester band is adhered to another layer outer strata
On the lateral wall of ester band.
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| CN201811026891.2A CN109243703A (en) | 2018-09-04 | 2018-09-04 | The preparation method and high frequency transmission line of high frequency transmission line with longitudinal clad structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811026891.2A CN109243703A (en) | 2018-09-04 | 2018-09-04 | The preparation method and high frequency transmission line of high frequency transmission line with longitudinal clad structure |
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| CN109243703A true CN109243703A (en) | 2019-01-18 |
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| CN201811026891.2A Pending CN109243703A (en) | 2018-09-04 | 2018-09-04 | The preparation method and high frequency transmission line of high frequency transmission line with longitudinal clad structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109742501A (en) * | 2019-01-21 | 2019-05-10 | 乐庭电线工业（惠州）有限公司 | High frequency data transfer line |
| CN109754945A (en) * | 2019-01-21 | 2019-05-14 | 乐庭电线工业（惠州）有限公司 | High-speed transmission line with single ground wire |
| CN109887653A (en) * | 2019-01-21 | 2019-06-14 | 乐庭电线工业（惠州）有限公司 | Symmetrical high-frequency data cable |
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Effective date of registration: 20210705 Address after: 516029 Wuyi Industrial Zone, Chenjiang Town, Huizhou City, Guangdong Province Applicant after: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Applicant after: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Applicant after: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Applicant after: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. Address before: 516029 Wuyi Industrial Zone, Chenjiang Town, Huizhou City, Guangdong Province Applicant before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Applicant before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Applicant before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Applicant before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Applicant before: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. |
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