Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, one kind is provided with no ground wire longitudinal direction clad structure
High-frequency transmission electric wire, by cancel ground wire structure, can make high-frequency transmission electric wire have symmetrical structure, avoid high frequency
Transmission line will appear jump point during transmission, improve the transmission stability of high frequency transmission line, also, can also avoid ground
The transmission of the interference signal of line reduces the loss during signal transduction.
The purpose of the present invention is achieved through the following technical solutions:
A kind of high-frequency transmission electric wire with no ground wire longitudinal direction clad structure, comprising: high-frequency transmission component and shielding protection
External member, the shielding protection external member are placed on outside the high-frequency transmission component;
The high-frequency transmission component includes the first high frequency core wire and the second high frequency core wire, the outside of the first high frequency core wire
The lateral wall of wall and the second high frequency core wire fits closely setting, the first high frequency core wire and the second high frequency core wire phase
Mutually be arranged in parallel, and the first high frequency core wire and the second high frequency core wire with the lateral wall of the first high frequency core wire and
The binding face that the lateral wall of the second high frequency core wire fits closely is symmetrical arranged;
The shielding protection external member includes metal longitudinal wrap curtain and insulation around jacket, and the metal longitudinal wrap curtain is longitudinal
It is coated on the lateral wall of the first high frequency core wire and the lateral wall of the second high frequency core wire, the insulation is around jacket spiral
It is wound in outside the metal longitudinal wrap curtain.
The first high frequency core wire includes the first conductive wire and the first outer quilt of insulation in one of the embodiments,
First insulation is outer to be coated on outside first conductive wire, and the lateral wall of the outer quilt of first insulation is adhere well to
On the inner sidewall of the metal longitudinal wrap curtain.
First conductive wire is copper wire in one of the embodiments,.
The second high frequency core wire includes the second conductive wire and the second outer quilt of insulation in one of the embodiments,
Second insulation is outer to be coated on outside second conductive wire, and the lateral wall of the outer quilt of second insulation is adhere well to
On the inner sidewall of the metal longitudinal wrap curtain.
Second conductive wire is copper wire in one of the embodiments,.
The insulation includes at least one layer of type insulating wrapping strip, each type insulating wrapping strip around jacket in one of the embodiments,
Sequence is helically wound around outside the metal longitudinal wrap curtain.
The cross section of the first high frequency core wire is circle in one of the embodiments,.
The cross section of the second high frequency core wire is circle in one of the embodiments,.
The diameter of the cross section of the first high frequency core wire and the second high frequency core wire in one of the embodiments,
The diameter of cross section is equal.
The metal longitudinal wrap curtain is copper foil or aluminium foil in one of the embodiments,.
The present invention compared with the prior art the advantages of and have the beneficial effect that:
The present invention is a kind of high-frequency transmission electric wire with no ground wire longitudinal direction clad structure, by cancelling the structure of ground wire,
It can make high-frequency transmission electric wire that there is symmetrical structure, avoid high frequency transmission line from will appear jump point during transmission, mention
The high transmission stability of high frequency transmission line, also, the transmission of the interference signal of ground wire can also be avoided, reduce signal transduction mistake
Loss in journey.
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 high-frequency transmission electric wire with no ground wire longitudinal direction clad structure, comprising: high-frequency transmission component
100 and shielding protection external member 200, the shielding protection external member 200 be placed on outside the high-frequency transmission component 100;It needs to illustrate
, the high-frequency transmission component 100 for realizing high-frequency data transmission;The shielding protection external member 200 is for playing screen
Effect is covered, and protects high-frequency transmission component not by external damage.
Fig. 1 and Fig. 2 are please referred to, the high-frequency transmission component 100 includes the first high frequency core wire 110 and the second high frequency core wire
120, the lateral wall of the lateral wall of the first high frequency core wire 100 and the second high frequency core wire 120 fits closely setting, described
First high frequency core wire 100 and the second high frequency core wire 120 are arranged in parallel, and the first high frequency core wire 100 and institute
It is tight with the lateral wall of the lateral wall of the first high frequency core wire 100 and the second high frequency core wire 120 to state the second high frequency core wire 120
The binding face of closely connected conjunction is symmetrical arranged.It should be noted that the first high frequency core wire 110 and the second high frequency core wire 120 are used
In the transmission of high-frequency signal, the first high frequency core wire 110 and the second high frequency core wire 120 are symmetrical set, it can are made
High-frequency transmission electric wire is obtained when transmitting high-frequency signal, is not in jump point, is not in the unstable situation of transmission.
Referring to Fig. 1, the shielding protection external member 200 includes metal longitudinal wrap curtain 210 and insulation around jacket 220, institute
The inner sidewall for stating metal longitudinal wrap curtain 210 is longitudinally coated on the lateral wall of the first high frequency core wire 110 and described second high
On the lateral wall of frequency core wire 120, the insulation is helically wound around outside the metal longitudinal wrap curtain around jacket.It needs to illustrate
It is that the metal longitudinal wrap curtain 210 is longitudinal to be coated on outside two high frequency core wires, for realizing the shielding action to each core wire;
The insulation around jacket 220 around being wrapped in outside metal longitudinal packet curtain 210, so as to protect metal longitudinal wrap curtain 210 not by
Damage, further entire high-frequency transmission electric wire is not by extraneous destruction.
In this way, can make high-frequency transmission electric wire that there is symmetrical structure by the structure for cancelling ground wire, height is avoided to keep pouring in
Defeated line will appear jump point during transmission, improve the transmission stability of high frequency transmission line, also, can also avoid ground wire
Interference signal transmission, reduce signal transduction during loss.
Referring to Fig. 1, the first high frequency core wire 110 includes that the first conductive wire 111 and the first insulation are outer by 112,
First insulation is outer to be coated on outside first conductive wire 111 by 112, and first insulation is outer by 112 lateral wall
It adhere well on the inner sidewall of the metal longitudinal wrap curtain 210.In the present embodiment, first conductive wire 111
For copper wire.It should be noted that transmission of first conductive wire 111 for realizing data and signal, described first absolutely
Edge is outer to be used to protect the first conductive wire 111 by 112, and for playing the role of insulation.
Referring to Fig. 1, the second high frequency core wire 120 includes that the second conductive wire 121 and the second insulation are outer by 122,
Second insulation is outer to be coated on outside second conductive wire 121 by 122, and second insulation is outer by 122 lateral wall
It adhere well on the inner sidewall of the metal longitudinal wrap curtain 210.In the present embodiment, second conductive wire 121
For copper wire.It should be noted that transmission of second conductive wire 121 for realizing data and signal, described second absolutely
Edge is outer to be used to protect the second conductive wire 121 by 122, and for playing the role of insulation.
It should also be noted that, the first high frequency core wire 100 and the second high frequency core wire 120 are with first high frequency
The binding face that the lateral wall of the lateral wall of core wire 100 and the second high frequency core wire 120 fits closely is symmetrical arranged, i.e., first leads
Electric metal silk 111 and the second conductive wire 121 are with the lateral wall and the second high frequency core wire of the first high frequency core wire 100
Binding face that 120 lateral wall fits closely is symmetrical arranged, that is, the first insulation it is outer by 112 and second insulation it is outer by 122 with
The binding face that the lateral wall of the lateral wall of the first high frequency core wire 100 and the second high frequency core wire 120 fits closely is symmetrical
Setting is not in the dissymmetrical structure of single ground wire, to keep away so that entire high-frequency transmission component 100 is in symmetrical structure
Exempt from high frequency transmission line will appear jump point during transmission, improve the transmission stability of high frequency transmission line, can make letter
Number transmission frequency can reach 56G and its transmission of the above signal;Also, the transmission of the interference signal of ground wire can also be avoided, is reduced
Loss during signal transduction.It should be noted the structure without ground wire, ground wire bring signal damage can also be reduced
It loses.
In order to improve the structural stability of high-frequency transmission electric wire, for example, the insulation includes at least one layer of insulation around jacket
Band, each type insulating wrapping strip sequence are helically wound around outside the metal longitudinal wrap curtain.In this way, passing through metal longitudinal wrap curtain
210 longitudinal directions are coated on two high frequency core wires, then pass through one or two layers type insulating wrapping strip in the outside of metal longitudinal wrap curtain 210
It is coated and fixed, so as to improve the structural stability of high-frequency transmission electric wire, also, this solves client's processing without ground configurations
While problem, transmission performance can satisfy the requirement of high-frequency (> 25GHz).
It should also be noted that, being further ensured that the steady of high frequency signal transmission in order to further ensure the symmetry of core wire
It is qualitative, for example, the cross section of the first high frequency core wire is circle.The cross section of the second high frequency core wire is circle.It is described
The diameter of the cross section of first high frequency core wire is equal with the diameter of cross section of the second high frequency core wire.In this way, passing through
The diameter that the cross section of the first high frequency core wire is arranged is equal with the diameter of cross section of the second high frequency core wire, and two
Root core wire is all to have circular cross section, may further ensure that the symmetry of core wire, is further ensured that high frequency signal transmission
Stability.
It should be noted that the shield effectiveness in order to guarantee high-frequency transmission electric wire, the metal longitudinal wrap curtain is copper foil
Or aluminium foil.In this way, passing through setting copper foil or aluminium foil, it is ensured that the shield effectiveness of high-frequency transmission electric wire.
It should also be noted that, high-frequency transmission electric wire is processed weld during, in traditional high frequency transmission line by
In there is the case where single ground wire, there is the asymmetric problem of structure, during processing, especially in high-temperature soldering
When, the first high frequency core wire and the second high frequency core wire can be damaged, core wire signal can be interfered to transmit when carrying out high frequency signal transmission
Magnetic field, so that high frequency core wire occurs unstable situation in high frequency signal transmission, therefore, traditional high frequency transmission line is not only not
The magnetic field for being convenient for processing, but also core wire signal being interfered to transmit reduces the stability of signal transmission;One embodiment
In, it is used as ground wire after eliminating ground wire, and by metal longitudinal wrap curtain 210, optimizes the utilization rate of wire internal structure;
After cancelling ground wire simultaneously, core wire will not be scalded when processing to wire rod, so that signal transmission is more stable, signal can also reach
The transmission of higher frequency.The application uses shielding band longitudinally to coat and without ground configurations, and keeps stable physics knot
Structure and electric property meet a variety of process requirements to realize finished wire rod high-frequency transmission and processing practicability, greatly improve
Generalization.
It is appreciated that when the insulation to high-frequency transmission electric wire carries out wrapped around jacket 220, it may appear that certain weight
It is folded, it insulate with unfolded around jacket 220 in the insulation of lap around jacket 220, just will appear certain be uneven
Whole problem, so, it will lead to high-frequency transmission electric wire in this way and out-of-flatness, asymmetric situation occur;Also, due to overlapping portion
Point the wrapped set of insulation there is one layer of the insulation more than the jacket of the insulation than not lap and also will appear screen in this way around jacket
Cover the poor situation of effect;Simultaneously as insulation of the insulation of lap around jacket than not lap is high around jacket, institute
With around jacket and not, the insulation of lap is even more to have subtle gap between jacket for the insulation of lap, these are thin
Micro- gap in high-frequency transmission electric wire bending, wind or pull after, then can be amplified, that is, will increase insulation around jacket
Gap reduces the performance of its high frequency data transfer to reduce the stability of its structure;Therefore, in order to avoid wrapped in progress
Insulation around jacket when, there is the whole problem that is uneven, in order to avoid the insulation of lap around jacket and non-overlap
There is difference in height in the wrapped set that insulate, guarantees that high-frequency transmission electric wire has smooth and symmetrical structure;Also, in order to avoid due to weight
There is than the insulation of not lap the wrapped set of one layer of insulation more than the jacket and shielding occurs imitating in the wrapped set of insulation of folded part
The poor problem of fruit, meanwhile, in order to avoid lap insulation around jacket and not the insulation of lap between jacket
There is subtle gap, improve the stability of high-frequency transmission wire structure, reduces the high frequency data transfer of high-frequency transmission electric wire
Energy;In one embodiment, for example, the shielding protection external member further includes wrapped thickening glue-line and adhesive layer, the adhesive layer patch
It invests on the protection band, the wrapped glue-line that thickeies is attached at one side of the adhesive layer far from the insulation around jacket
On, when the insulation is helically wound around on the metal longitudinal wrap curtain around jacket, the wrapped thickening glue-line is set to spiral shell
The insulation of the lap of winding is revolved on the position of jacket;The wrapped thickening glue-line includes the first excessive glue portion, second
Excessive glue portion and hot-melt adhesive paste portion, the hot-melt adhesive paste portion have the first connecting pin and second connection end, the hot-melt adhesive paste portion
First connecting pin is connect with first excessive glue portion, and the second connection end in the hot-melt adhesive paste portion and second excessive glue portion connect
It connects;The wrapped thickening glue-line is glue layer, and first excessive glue portion and second excessive glue portion are located at the hot melt and connect
The two sides of socket part.In this way, by the way that wrapped thickening glue-line is arranged, and the first excessive glue portion, second are set on wrapped thickening glue-line
Excessive glue portion and hot-melt adhesive paste portion the whole problem that is uneven can occur to avoid when carrying out wrapped insulation around jacket
There is difference in height around the wrapped set of insulation of jacket and non-overlap to avoid the insulation of lap, guarantees that high-frequency transmission electric wire has
Smooth and symmetrical structure;Also, the wrapped set of insulation due to lap can also be avoided to occur than not lap
There is the poor problem of shield effectiveness in one layer of the wrapped set of insulation more than the jacket that insulate, at the same time it can also avoid lap
Around jacket and not, there is subtle gap between jacket in the insulation of lap for insulation, improves high-frequency transmission wire structure
Stability reduces the high frequency data transfer performance of high-frequency transmission electric wire.
In order to which preferably above-mentioned wrapped thickening glue-line is explained and illustrated, to more fully understand above-mentioned wrapped thickening glue
The design of layer.As shown in figure 3, the shielding protection external member further includes wrapped thickening glue-line 300, the wrapped thickening glue-line 300
The adhesive layer is attached at far from the insulation on the one side of jacket, when the insulation is helically wound around the gold around jacket
When belonging on longitudinal wrap curtain, the wrapped thickening glue-line 300 is set to the insulation of the lap of spiral winding around jacket
Position on.It should be noted that the wrapped thickening glue-line 300 is common glue on the market, and for attaching insulation
Around the lap of jacket, make insulation more stable around jacket after heating, and be not in gap.
The wrapped thickening glue-line 300 includes the first excessive glue portion 310, the second excessive glue portion 320 and hot-melt adhesive paste portion 330, institute
Hot-melt adhesive paste portion 330 is stated with the first connecting pin and second connection end, first connecting pin in the hot-melt adhesive paste portion 330 with it is described
The connection of first excessive glue portion 310, the second connection end in the hot-melt adhesive paste portion 330 are connect with second excessive glue portion 320;It is described around
It is glue layer that packet, which thickeies glue-line, and first excessive glue portion and second excessive glue portion are located at the two of the hot-melt adhesive paste portion
Side.It should be noted that first excessive glue portion 310 is overflowed after being used to heat in the one side around jacket that insulate, described the
Two excessive glue portions 320 are for overflowing after heat in insulation around the another side of jacket, and the hot-melt adhesive paste portion 330 is for connection the
One excessive glue portion 310 and the second excessive glue portion 320.
By the way that wrapped thickening glue-line is arranged on adhesive layer, can make when the wrapped set that insulate carries out winding operation
It waits, due to the wrapped presence for thickening glue-line, after being heated to wire rod, so that wrapped thickening glue-line exists on the wrapped set that insulate
It is extruded after winding, that is, wrapped thickening glue-line can be made to be overflowed to come to two sides, that is, the first excessive glue portion is being heated
With can be spilt into after pressurization insulation around the outside of jacket so that the insulation of the lap in tradition around jacket with do not have
There is the insulation of lap to occur being filled glue on the side in subtle gap between jacket, that is, in lap
The first excessive glue portion is filled up in the insulation side that the insulation of lap occurs on subtle gap between jacket around jacket and not;
Similarly, in the insulation of lap around jacket and not the insulation of lap occur between jacket it is another on subtle gap
Side can also be filled glue, that is, around jacket and not the insulation of lap does not go out between jacket for the insulation of lap
It is filled the second excessive glue portion on the other side in existing subtle gap, ratio can occur to avoid the wrapped set of insulation due to lap
There is no the insulation of lap one layer of wrapped set of insulation more than the jacket the poor problem of shield effectiveness occur, also, by setting
The first spilling portion and the second spilling portion are set, without gap between can dividing to avoid lap and non-overlapping portion, in wire rod quilt
After bending, wind or pullling, the structure of wire rod will not be destroyed, so as to improve the stability of its structure, and then is improved
The performance of high frequency data transfer.
It should also be noted that, hot-melt adhesive paste portion, then after heating and being extruded, due to receiving extruding force, hot melt connects
Socket part also can be to two sides enlarged-area, so that first excessive glue portion and second excessive glue of hot-melt adhesive paste portion and two sides
Portion's connection, and since first excessive glue portion, the second excessive glue portion and hot-melt adhesive paste portion are extruded simultaneously, so as to avoid
When carrying out wrapped insulation around jacket, there is the whole problem that is uneven, it is smooth and symmetrical to guarantee that high-frequency transmission electric wire has
Structure;Further, also, after being heated and being extruded, the first spilling portion and the second spilling portion can be made to extension
It stretches, so that the first spilling portion and the second spilling portion are closely contacted with each other, forms a glue layer, i.e., when the first spilling portion and second
After spilling portion is heated and pressurized, can to insulate the first spilling portion and the insulation on the one side of jacket are adjacent around jacket
The second spilling portion of outside band be connected, be in close contact, height occur so as to further avoid high-frequency transmission electric wire
The problem of out-of-flatness, is further ensured that high-frequency transmission electric wire has smooth and symmetrical structure.
In this way, by the way that wrapped thickening glue-line is arranged, and the first excessive glue portion, the second excessive glue are set on wrapped thickening glue-line
Portion and hot-melt adhesive paste portion the whole problem that is uneven can occur, it can keep away to avoid when carrying out wrapped insulation around jacket
There is difference in height around the wrapped set of the insulation of jacket and non-overlap in the insulation for exempting from lap, and it is smooth to guarantee that high-frequency transmission electric wire has
And symmetrical structure;Also, the wrapped set of insulation due to lap can also be avoided the insulation than not lap occur
There is the poor problem of shield effectiveness in one layer of the wrapped set of insulation more than the jacket, at the same time it can also avoid the insulation of lap
Around jacket and not there is not subtle gap between jacket in the insulation of lap, improves the stabilization of high-frequency transmission wire structure
Property, reduce the high frequency data transfer performance of high-frequency transmission electric wire.
The present invention compared with the prior art the advantages of and have the beneficial effect that:
The present invention is a kind of high-frequency transmission electric wire with no ground wire longitudinal direction clad structure, by cancelling the structure of ground wire,
It can make high-frequency transmission electric wire that there is symmetrical structure, avoid high frequency transmission line from will appear jump point during transmission, mention
The high transmission stability of high frequency transmission line, also, the transmission of the interference signal of ground wire can also be avoided, reduce signal transduction mistake
Loss in journey.
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.