CN205564320U - Multi -core cable - Google Patents
Multi -core cable Download PDFInfo
- Publication number
- CN205564320U CN205564320U CN201620171943.5U CN201620171943U CN205564320U CN 205564320 U CN205564320 U CN 205564320U CN 201620171943 U CN201620171943 U CN 201620171943U CN 205564320 U CN205564320 U CN 205564320U
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- Prior art keywords
- core cable
- electric wire
- crust
- wire
- row
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Abstract
The utility model provides a multi -core cable, it is with coaxial cord and many insulated wire boundlings and utilize the crust to cover and formation, and this multi -core cable restraines the increase of cable diameter, improves compliance and operability. Multi -core cable (1) has many electric wires and covers crust (6) of many electric wires, and many electric wires are side by side for being more than or equal to 2. And two mutually unidimensional in electric wire connects airtight and disposes, contains the wire pair that does not possess the shielding layer in addition parallelly. And in the cross -section of the length direction quadrature with multi -core cable (1), 4 bights that crust (6) have a rectangle are by the shape at radius angle, the internal surface side in 4 bights of crust (6) disposes earth connection (4).
Description
Technical field
This utility model relates to multi-core cable, in more detail, relates to many coaxial cables
And other insulated electric conductor boundlings, and crust is utilized to cover the multi-core cable outside it.
Background technology
Known a kind of multi-core cable, it is by many coaxial cords of transmission high-speed digital signal etc.
Boundling, and utilize crust to cover outside it to be formed.In this multi-core cable, exist as multiple
Zygonema cable and the multi-core cable that constitutes, this composite cable, in addition to coaxial cord, also includes
Other insulated electric conductors such as power supply insulated electric conductor, control signal insulated electric conductor etc..
Disclosed in patent documentation 1, such as have a kind of transmission cable, it possess pair twist holding wire,
Power line to and multiple holding wire pair, pair twist holding wire, power line to and multiple holding wire
To harness it is, in the case of observing in the cross section vertical with their length direction, power line
To and multiple holding wire to being enclosed in around pair twist holding wire.
It addition, there is a kind of boundling cable disclosed in patent documentation 2, it possesses: collection bunch
Cable core, it has many flat cables；Electromagnetic shielding portion, it is arranged on outside boundling cable core
Week；And exodermis, it is arranged on the periphery in electromagnetic shielding portion.Each flat cable has: flat
Horizontal line cable core, many coaxial cables are arranged as 1 row by substantially in parallel；And restrictive coating,
It is formed, to many coaxial lines at the periphery substantially entire surface cladding synthetic resin of flat wire cable core
Cable retrains.
Patent documentation 1: international patent application discloses No. 2010/092812
Patent documentation 2: Japanese Unexamined Patent Publication 2010-97773 publication
By coaxial cord, many of insulated electric conductor boundling and be coated with in multi-core cable rindy
, exist and wish that cable diameter is the least, reduce the such requirement of cable thickness.It addition, many
In core cable, in order to improve operability, it is desirable to the flexibility of cable.
But, if by many electric wire boundlings in the case of cross section is toroidal, then along with
The quantity of the electric wire being contained in this multi-core cable increases, and cable diameter can become the most thicker, the most soft
Soft also reduction and make operability deteriorate.
It addition, as the electric wire in multi-core cable, if using the twisted pair wire of band shielding i.e.
STP (Shielded twist pair) cable, be wound with shielding band double-core parallel electric wire, then by
Electric wire after making screen layer or shielding band integration, the flexibility of multi-core cable is hindered.
In the cable of patent documentation 1, when by many electric wire boundlings, it is circular for constituting cross section
Cable, therefore its diameter increases, and hinders operability and flexibility.Patent documentation 2 does not enter
One step provides enlightenment to the structure comprising more electric wire.
Utility model content
This utility model proposes in view of above-mentioned practical situation, its object is to, it is provided that
A kind of multi-core cable, this multi-core cable is by coaxial cord and many of insulated electric conductor boundling and to utilize
Crust cover and formed, this multi-core cable suppression cable diameter increase, improve flexibility and
Operability.
The multi-core cable that this utility model relates to has many electric wires and covers this many electric wires
Crust, in this multi-core cable, described many electric wires be side by side more than or equal to 2 row, phase
Touch with two, the electric wire of size and configure abreast, and comprise the electric wire not possessing screen layer
Right, in the cross section orthogonal with the length direction of described multi-core cable, described crust has rectangle
The shape at rounded angle, 4 corners, the inner surface side configuration in 4 corners of described crust
There is earth lead.
The effect of utility model
According to this utility model, it can provide a kind of multi-core cable, this multi-core cable be by
Coaxial cord, many of insulated electric conductor boundling also utilize crust to cover and formed, this multi-core cable
The increase of suppression cable diameter, improves flexibility and operability.
Accompanying drawing explanation
Fig. 1 is the figure of the structure example of the multi-core cable representing that this utility model relates to.
Fig. 2 is the figure that the structure to the coaxial cord pair being applicable to multi-core cable illustrates.
The explanation of label
1 ... multi-core cable, 2 ... coaxial cord, 3 ... coaxial cord to, 4 ... earth lead, 5 ...
Insulated electric conductor, 11 ... center conductor, 12 ... insulator, 13 ... external conductor, 14 ... crust.
Detailed description of the invention
First, enumerate embodiment of the present utility model and illustrate.
Enforcement that the multi-core cable of the application relates to is novel is a kind of multi-core cable, and it has many
Root electric wire and cover the crust of these many electric wires, in this multi-core cable, described many electric wires
Being more than or equal to 2 row side by side, two, the electric wire of same size touches and configures abreast, and
And comprise the wire pair not possessing screen layer, orthogonal with the length direction of described multi-core cable
In cross section, described crust has the shape at the rounded angle, 4 corners of rectangle, at described crust
The inner surface side in 4 corners be configured with earth lead.Thereby, it is possible to provide suppression cable diameter
Increase and the deterioration of flexibility, improve operability multi-core cable.
The most described many electric wire alignment are 2 row, whole described electric wires and described crust
Inner surface contacts.Thereby, it is possible to the configuration of the electric wire in making multi-core cable is stablized.
Preferably in 1 row electric wire in described many electric wires, from 1 described corner to another
Till individual corner, contact and adjacent each electric wire with the inner surface of described crust with each electric wire
The mode contacted with each other configures.Thereby, it is possible to make the configuration stabilisation of electric wire, and suppress line
The increase of cable width.
Preferably in the another 1 row electric wire in described many electric wires, there is the electricity not contacted each other
Line.In the case of the row of many electric wires can not being formed as same widths, it is possible to electric wire that
The width at this discontiguous part arranged this electric wire is adjusted.
The sectional area of the center conductor preferably comprising the electric wire of described wire pair is more than or equal to
0.004mm2And less than or equal to 0.05mm2。
Additionally, it is preferred that the electric wire constituting described wire pair is coaxial cord.
Additionally, it is preferred that the electric wire constituting described wire pair is coaxial cord, described coaxial cord
The sectional area of center conductor more than or equal to 0.004mm2And less than or equal to 0.05mm2。
Additionally, it is preferred that in each row of described electric wire, configure multiple described wire pair, be positioned at 1
Different described wire pair in row does not contacts each other.Thereby, it is possible to suppression is when conductor electric wire
Arrangement at random.
Additionally, it is preferred that the thickness of described crust is less than or equal to more than or equal to 0.4mm
1.0mm。
Additionally, it is preferred that described earth lead is insulated electric conductor.
Preferably in the part that described electric wire does not contacts each other, it is filled with fiber.Thereby, it is possible to
Stabilisation is realized in the way of the arrangement that makes electric wire is the most at random.
[detailed content of embodiment of the present utility model]
Below, referring to the drawings, the concrete example of the multi-core cable that this utility model relates to is described.
Illustrate additionally, this utility model is not limited to these, and shown by utility model right claim
Go out, comprise the implication impartial with utility model right claim and in the range of all changes
More.
Fig. 1 is the figure of the structure example of the multi-core cable representing that this utility model relates to.In the drawings,
1 is multi-core cable, and 2 is coaxial cord, and 3 is coaxial cord pair, and 4 is earth lead, and 5 is it
His insulated electric conductor, 6 is crust (sheath).
Multi-core cable 1 be by comprise coaxial cord and insulated electric conductor many electric wires (with
Axle wire pair 3, earth lead 4, other insulated electric conductors 5) utilize crust 6 to be coated with and constitute.
As other insulated electric conductors 5, such as, can comprise low speed signal transmission electric wire, low speed control
Signal of telecommunication electric wire, power line etc..
Crust 6 is to use polyethylene (PE), polrvinyl chloride (PVC), ethyl vinyl acetate second
The resins such as enoate copolymer (EVA), polyurethane, Overmolded by extrusion molding,
The thickness of this crust 6 is set to the scope of 0.4mm～1.0mm.In order to maintain many electric wires side by side
Shape, crust 6 needs certain intensity, it addition, from the aspect of durability,
It is also required to the thickness more than or equal to certain value.Therefore, crust 6 thickness need more than or etc.
In 0.4mm.If it addition, crust 6 becomes the thickness more than 1.0mm, then under flexibility
Fall, is difficult to operation, the most preferably the higher limit of its thickness is set to 1mm.
Coaxial cord is the coaxial cord 2 liang by utilizing insulator cladding center conductor to 3
Root level land is touched configuration side by side and is obtained.In this example embodiment, 5 coaxial cords of boundling are to 3
, but this boundling quantity does not limit.Phase place is inverted the letter after 180 ° by coaxial cord to 3
Number it is simultaneously entered and to send to 2 coaxial cords 2, receiving side by carrying out difference synthesis, from
And signal can be made to be output into 2 times receiving side.It addition, from sending to receiving
The noise signal that is subject to of midway, transmission path, owing to equally applying to 1 pair of coaxial cord 2, because of
This is eliminated when receiving side and exporting as differential signal, and noise is removed.By making coaxial electrical
Line touches configuration side by side to 3, thus by constitute coaxial cord to 32 coaxial cords 2 parallel
Ground contiguity configuration, it is possible to reduce the delay-time difference of the signal between 2 coaxial cords (partially
Gradient).Further, since be not the knot making coaxial cord 2 rear wraparound shield band further side by side
Structure, therefore with band shielding twisted pair wire i.e. STP cable, be wound with shielding band double-core parallel electricity
Line compares, it is possible to give flexibility.
Fig. 2 is the figure that the structure to the coaxial cord pair being applicable to multi-core cable illustrates.Respectively
Coaxial cord 2 uses the coaxial cord of following structure, i.e. center conductor 11 is utilized insulator
12 cover, and configure external conductor 13 in the periphery of insulator 12, will utilize crust 14 outside it
Cladding.Center conductor 11 such as uses tin annealed copper wire or Tinplated copper alloy line, uses many
The conductor that baseline is stranded, or the conductor that single line is constituted.The most under what circumstances, center is led
Its sectional area (area in cross section orthogonal to the longitudinal direction) of body 11 is
0.004mm2～0.06mm2, it is set to and AWG (American Wire Gauge) 30～40 phases
When external diameter.Thus, the high-speed digital signal transmission institute between information processor is obtained preferably
The multi-core cable in thin footpath.
Insulator 12 can use fluororesin, such as FEP (hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) copolymerization
Thing), PFA (tetrafluoroethene perfluoroalkyl vinyl ether copolymer), be preferably used them
The fluororesin that thermostability after fluorination is high.As the fluororesin after fluorination, it is possible to use end
Fluororesin after base fluorination (CF3), it is possible to use the fluororesin after being fluorinated completely
.The thin-walled processability of fluororesin is good, accommodates the thin footpath of cable.It addition, fluororesin is dynamic
Coefficient of friction is low, and therefore resistance to bend(ing) is good.
External conductor 13 be such as by the baseline horizontal wraparound being made up of tin annealed copper wire etc. or
Braiding, in order to improve function of shielding further, it is also possible to be set to arrange metal forming simultaneously
Structure.
Crust 14 winds the resin strips such as polyester (PET) band and is formed.Additionally, it is possible to
So that the resin materials such as fluororesin are extruded and Overmolded.
In said structure, the multi-core cable 1 of embodiment of the present embodiment has bag
Containing coaxial cord 2 and insulated electric conductor (earth lead 4, other insulated electric conductors 5) at many interior electricity
The crust 6 that line and the surrounding to these many electric wires cover, many electric wires are side by side for being more than
Or equal to 2 row.The structure of Fig. 1 is that many electric wires are side by side for these 2 row of the upper and lower, it is also possible to
It is side by side for the structure more than or equal to 3 row.By being multiple row side by side by many electric wires, thus
The outer shape that can make multi-core cable 1 is flat, reduces its thickness, and is set by cable width
For the most wide suitable size.In this case, although the width (electric wire of multi-core cable 1
The length in direction side by side) can become accordingly with quantity and its diameter of the electric wire carrying out boundling
Greatly, as long as but the width of multi-core cable 1 is less than the adapter width connected by this multi-core cable 1
Width.Such as the width of multi-core cable 1 can be set to little more than or equal to 3mm
In or equal to 10mm.The thickness of multi-core cable such as can be set to more than or equal to 1.3mm
Less than or equal to 3.8mm.
The cross section orthogonal to the longitudinal direction (Fig. 1) of multi-core cable 1 has 4 corners of rectangle
The shape at the rounded angle of C1～C4.That is, R shape is given in the periphery, 4 corners of rectangle.?
Here, multi-core cable 1 is set to its cross section is formed as rectangle and makes thickness not increase, by this square
The outer peripheral face of 4 corner C1～C4 of shape is set to the shape of rounding, is set by the outer peripheral face in corner
For gently.In 4 respective inner surface side of corner C1～C4 of crust 6, it is configured as earth lead
The insulated electric conductor of 4.By earth lead 4 is located at corner, thus the symmetry of multi-core cable becomes
Well, it is achieved the stabilisation of the earthing potential of cable and preferred.
The inner surface of crust 6 is along the rounded angle of shape of earth lead 4, with corresponding with its shape
Mode make the rounded shape in corner of outer circumferential side of crust 6.Thus, crust 6 realizes uniformly
Thickness, give uniform flexibility.
Many electric wires (coaxial cord 2, earth lead 4, other insulation being arranged side-by-side with multiple row
Electric wire 5), its whole electric wire contacts with the inner surface of crust 5.Thus, the configuration of electric wire is steady
Fixed.
The width (length in direction side by side) of each row it is not limited to multiple row many electric wires side by side
Unanimously.In this case, the width of the longest row is consistent with the width of the inner surface of crust 6.
That is, in the electric wire of any 1 row in many electric wires side by side, from the 1 of rectangular shape angle
Portion is to another corner, and each electric wire contacts with the inner surface of crust 6, each electricity of these 1 row
Line is configured to contact with each other.In the example in fig 1, with upper and lower 2 row arrangement electric wires in,
The electric wire on upper strata, from corner C1 to the C2 of corner, with whole electric wire of these row with outer
The mode that the inner surface contact of skin 6 and adjacent each electric wire contact with each other configures.Thus,
The configuration stabilisation of electric wire can be made, and suppress the increase of cable width.
It addition, in the many electric wires being arranged side-by-side, any 1 row electric wire in, there is electricity
The part not contacted each other between line.In the example in fig 1, in the electric wire with upper and lower 2 row arrangements
, in the electric wire of lower floor, orientation generates a gap G.Portion beyond clearance G
In Fen, the electric wire of lower floor configures adjacent to each other, makes the configuration between electric wire stable.
In this clearance G, it is possible to fill the not shown fiber becoming implant.As becoming
The fiber of implant, such as can use formed by staple fibre (spun rayon) fiber,
PP (polypropylene) fiber etc..The fibre of implant is become by the clearance G between electric wire is filled
Dimension such that it is able to realize stabilisation and make the arrangement of electric wire the most at random.
It addition, the many electric wires being arranged side-by-side are configured to, electric wire side by side more than or equal to 2
Configuring multiple coaxial cord in each row of row to 3, the coaxial cord in 1 row is to 3 the most not phases
Adjacent.In the example in fig 1, in electric wire in the electric wire with upper and lower 2 row arrangements, upper strata,
Including 3 pairs of coaxial cords to 3, these 3 pairs of coaxial cords are to the most not phase in 1 row of upside
Adjacent.In the electric wire of lower floor, similarly include 2 pairs of coaxial cords to 3, but these 2 couples are coaxially
Wire pair is not adjacent to each other in 1 row of lower floor.
The tendency that diameter is big is there is in coaxial cord 2 compared with other insulated electric conductors.Therefore, for
The symmetry making the arrangement of electric wire in multi-core cable 1 is good, is not by coaxial cord pair
3 intensively configure, but it is not adjacent to each other to 3 to be preferably configured to coaxial cord in row.Separately
Outward, thus suppress arrangement during conductor electric wire at random.
According to said structure, using the teaching of the invention it is possible to provide a kind of multi-core cable, this multi-core cable is by coaxially
Electric wire and many of insulated electric conductor boundling also utilize crust cladding and are formed, and this multi-core cable suppresses
The increase of cable diameter, improves flexibility and operability.
Claims (11)
1. a multi-core cable, it has many electric wires and covers outside described many electric wires
Skin,
In this multi-core cable,
Described many electric wires are more than or equal to 2 row side by side,
Two, the electric wire of same size touches and configures abreast, and comprises and do not possess shielding
The wire pair of layer,
In the cross section orthogonal with the length direction of described multi-core cable, described crust has square
The shape at the rounded angle, 4 corners of shape, the inner surface side in 4 corners of described crust is joined
It is equipped with earth lead.
Multi-core cable the most according to claim 1, wherein,
Described many electric wire alignment are 2 row, whole described electric wires and the interior table of described crust
Face contacts.
Multi-core cable the most according to claim 2, wherein,
In 1 row electric wire in described many electric wires, from 1 described corner to another angle
Till portion, contact with the inner surface of described crust with each electric wire and adjacent each electric wire each other
The mode of contact configures.
Multi-core cable the most according to claim 2, wherein,
In another 1 row electric wire in described many electric wires, there is the electric wire not contacted each other.
Multi-core cable the most according to any one of claim 1 to 4, wherein,
The sectional area of the center conductor constituting the electric wire of described wire pair is more than or equal to
0.004mm2And less than or equal to 0.05mm2。
Multi-core cable the most according to any one of claim 1 to 4, wherein,
The electric wire constituting described wire pair is coaxial cord.
Multi-core cable the most according to any one of claim 1 to 4, wherein,
The electric wire constituting described wire pair is coaxial cord, the center conductor of described coaxial cord
Sectional area more than or equal to 0.004mm2And less than or equal to 0.05mm2。
Multi-core cable the most according to claim 7, wherein,
In each row of described electric wire, configure multiple described wire pair, be positioned at 1 row not
Same described wire pair does not contacts.
Multi-core cable the most according to claim 8, wherein,
The thickness of described crust is less than or equal to 1.0mm more than or equal to 0.4mm.
Multi-core cable the most according to claim 9, wherein,
Described earth lead is insulated electric conductor.
11. multi-core cables according to claim 10, wherein,
It is filled with fiber in the part that described electric wire does not contacts each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171943.5U CN205564320U (en) | 2016-03-07 | 2016-03-07 | Multi -core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171943.5U CN205564320U (en) | 2016-03-07 | 2016-03-07 | Multi -core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564320U true CN205564320U (en) | 2016-09-07 |
Family
ID=56817307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620171943.5U Expired - Fee Related CN205564320U (en) | 2016-03-07 | 2016-03-07 | Multi -core cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205564320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009347A (en) * | 2019-12-19 | 2020-04-14 | 北京航星机器制造有限公司 | Flat cable |
-
2016
- 2016-03-07 CN CN201620171943.5U patent/CN205564320U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009347A (en) * | 2019-12-19 | 2020-04-14 | 北京航星机器制造有限公司 | Flat cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210307 |