CN202839050U - Multi-core cable assembly - Google Patents
Multi-core cable assembly Download PDFInfo
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- CN202839050U CN202839050U CN 201220425586 CN201220425586U CN202839050U CN 202839050 U CN202839050 U CN 202839050U CN 201220425586 CN201220425586 CN 201220425586 CN 201220425586 U CN201220425586 U CN 201220425586U CN 202839050 U CN202839050 U CN 202839050U
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- core
- drain wire
- cable assembly
- shield member
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Abstract
The utility model provides a multi-core cable assembly. The multi-core cable assembly can be used to combine all drain wires together for the ground connection without tedious operation, when a plurality of 2-core cables are connected with the substrate. Each of the 2-core cables(10) is provided with an insulation core (12a,12b), which can be used to wrap a central conductor (11a,11b) in an insulated manner; a shielding part, which can be used to at least wrap the insulation core (12a,12b); a drain wire (13), which is contacted with the shielding part; and a sheath, which can be used to wrap the whole body of the cable. The multi-core cable assembly is characterized in that the 2-core cables are parallely disposed on an end part of the multi-core cable assembly, and are respectively electrically connected with the central conductors (11a,11b) on signal conductor connection areas (16a, 16b) on the substrate (1); the drain wires (13) are electrically connected with a common grounding area (17) on the substrate (1), and the common grounding area (17) is disposed on a position where the drain wires (13) are connected with the substrate along the axial direction of the 2-core cables by crossing the signal conductor connection areas (16a, 16b).
Description
Technical field
The utility model relates to a kind of multi-coaxial cable assembly, and it constitutes the multicore cable that will be made of many 2 core cables and is connected with substrate.
Background technology
At present, as between the computer server or the transmission cable that uses between the Medical Devices, propose to have a kind of bunched cable that sends large capacity signal.This bunched cable constitutes, with many holding wires or holding wire to being configured to the multilayer shape from interior all side direction outer circumferential sides.In addition, holding wire consists of at periphery coated insulation cladding parts, and holding wire is to being the 2 core coaxial cables (biaxial cable) that keep abreast a pair of holding wire.
In 2 core coaxial cables, there are a kind of 2 core coaxial cables with drain wire, this drain wire vertically disposes with respect to a pair of holding wire, and at its end grounding connection.Many above-mentioned 2 core coaxial cables being connected with substrate as connector and consisting of in the situation of multi-coaxial cable assembly, need to make each bar drain wire electrically conducting.Such as patent documentation 1 record, also can constitute, make each not conducting on substrate of bar drain wire.
Fig. 3 is the figure of the state of the end of 2 core coaxial cables of record in the expression patent documentation 1.Fig. 3 (A) is the oblique view that coats in the end of 2 core coaxial cables as the metal tube of electroconductive component, and Fig. 3 (B) makes many chromosomes 3(A) the vertical view of the state that is connected with connector side by side of 2 core coaxial cables.
2 core coaxial cables 50 shown in Fig. 3 (A) have holding wire 51a, 51b and drain wire 53 that the conductor by almost parallel consists of, and the periphery utilization of holding wire 51a, 51b is coated by cladding parts 52a, the 52b that resin consists of.And, utilize the shield member 54 that is consisted of by the Al-PET band to coat along its length the periphery of holding wire 51a, 51b and drain wire 53.And, shown in Fig. 3 (A), (B), in the end of 2 core coaxial cables 50 with cladding parts 52a, 52b and shield member 54 such as with incisions such as laser or cutters, draw so that expose the end of holding wire 51a, 51b, drain wire 53.And the end of holding wire 51a, 51b, drain wire 53 is connected with the holding wire of connector 56 respectively with auricle 57a, 57b, earthy auricle 58 by solder or melting welding and connects.
In addition, by in the end of 2 core coaxial cables 50, that is, and the end of cladding parts 52a, 52b and shield member 54, coating as electroconductive component, for example material is by the metal tube 55 that copper consists of, and makes shield member 54, drain wire 53 become the electrically conducting state with metal tube 55.That is, use metal tube 55 to make each 2 core coaxial cable, 50 common grounds.Metal tube 55 slides vertically and roughly is close on the end face of connector 56.By other a plurality of 2 core coaxial cables 50 are disposed side by side, similarly connect, and, metal tube 55 is slided and cling on the end face of connector 56, thereby for whole holding wires pair, remain on identical position by the end face with shield member 54, and reduce the part that does not have shield member 54 these one decks, realize the raising of anti-crosstalking property.
Patent documentation 1: TOHKEMY 2004-71384 communique
The utility model content
But, in the technology of patent documentation 1 record, in order to make together common ground of each bar drain wire, electroconductive component need to be installed on each 2 core cable, thereby connect cumbersome.
The utility model is exactly In view of the foregoing to propose, and its purpose is to provide a kind of multi-coaxial cable assembly, and this multi-coaxial cable assembly need not loaded down with trivial details operation when many 2 core cables are connected with substrate, just can make together common ground of each bar drain wire.
Multi-coaxial cable assembly of the present utility model is the assembly that the multicore cable that will be made of many 2 core cables is connected with substrate, each bar 2 core cable utilizes shield member to coat 2 insulating cores of center conductor having been implemented insulating wrapped, have and be configured to the drain wire that contacts with above-mentioned shield member, and utilize crust to coat 2 core whole cable.
And, this multi-coaxial cable assembly is characterised in that, the endways side by side configuration of part of above-mentioned 2 core cables, at the signal conductor join domain electrical connection center conductor that is arranged on the substrate, and, at the common ground zone electrical connection drain wire that is arranged on the substrate, drain wire is compared with above-mentioned insulating core and is exposed longlyer, and the common ground region division is in position that drain wire connects along 2 axially the crossing the signal conductor join domain of core cable.
In addition, preferred above-mentioned center conductor utilizes insulating resin to implement to coat with after the signal conductor join domain is connected.
The effect of utility model
According to multi-coaxial cable assembly of the present utility model, owing to being provided with the common ground zone at drain wire along the position that the signal conductor join domain connects of axially crossing of 2 core cables, therefore when many 2 core cables are connected with substrate, need not loaded down with trivial details operation, just can make together common ground of each bar drain wire.
Description of drawings
Fig. 1 is the cutaway view that expression can be used for the example of 2 core cables of the present utility model.
Fig. 2 is the figure of a structure example of the multi-coaxial cable assembly that relates to of expression the utility model.
Fig. 3 is the figure of state of the end of the existing 2 core coaxial cables of expression.
Embodiment
Multi-coaxial cable assembly of the present utility model is the assembly that the multicore cable that will be made of many 2 core cables is connected with substrate.
At first, with reference to Fig. 1, the example that can be used for 2 core cables of the present utility model is described.
2 core cables 10 have insulating core 12a, the 12b that center conductor 11a, 11b has been implemented insulating wrapped, and drain wire 13, shield member 14, crust 15.
As center conductor 11a, 11b, can use the conductor of copper or aluminium etc. or these conductors are implemented silver-plated or zinc-plated single line or twisted wire.In addition, when using in high-frequency region, because skin effect, electric current can be concentrated at conductive surface, thereby can't avoid the resistance loss that causes thus, and therefore also can use face side is the conductor of high-resistance 2 layers of structure as low resistance conductor central side.
The coating layer dielectric constant partly of wishing insulating core 12a, 12b is as far as possible little, thereby can use PFA (PFA), polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer (FEP), polyethylene, polypropylene etc.2 bar insulation core 12a, 12b can be stranded, also can be not stranded and abreast alignment.Form twisted-pair cable as 2 core cables 10 by the former, form 2 core parallel cable as 2 core cables 10 by the latter.
Shield member 14 is to comprise at least the parts that the mode of 2 insulating core 12a, 12b coats, and for example, arranges by the mask tape of Al-PET etc. is twined with helical form.The mask tape that also can use the resin beyond aluminium metal is in addition pasted PET and consist of.In addition, metal can be towards insulating core 12a, 12b side, also can be towards crust 15 sides, but drain wire 13 is set to the Metal Contact with shield member 14.In the situation of insulating core 12a, 12b side, shield member 14 is set to, and shown in Fig. 1 (A), drain wire 13 vertically is arranged in insulating core 12a, the 12b recess that forms arranged side by side, and is covered by shield member 14.At this moment, insulating core 12a, 12b are being carried out in the stranded situation, by with drain wire 13 with insulating core 12a, 12b (3 together) twisting, can make twisting stable.In the situation of crust 15 sides, shown in Fig. 1 (B), by shield member 14 coated insulation core 12a, 12b, drain wire 13 is arranged on the outside of shield member 14 at the metal of shield member 14.
Below, the structure example of the multi-coaxial cable assembly that the utility model is related to reference to Fig. 2 describes.Fig. 2 (A) represents the oblique view of this assembly, and Fig. 2 (B) represents the cutaway view of the vertical direction of this assembly.
The multi-coaxial cable assembly of structure example shown in Figure 2 is that the multicore cable that will be made of 42 core cables 10 disposes side by side, and is connected with the substrate 1 of polyimides or expoxy glass etc. and the assembly that forms.
In addition, in Fig. 2, for convenient, omit diagram shield member 14, but such as Fig. 1 (A), (B) illustration, it is positioned at the inboard of crust 15, and, its end roughly in the position identical with crust 15 or than crust 15 slightly strong points (to expose a small amount of state from crust 15) cut off.In addition, in Fig. 2, enumerated the example that 42 core cables 10 are connected with substrate 1, but the quantity of 2 core cables 10 is not limited to 4, so long as many get final product.
This multi-coaxial cable assembly forms by 42 core cables 10 are connected with substrate 1, at this moment, removes first crust 15 and drain wire 13, insulating core 12a, 12b, center conductor 11a, 11b are exposed, and make side by side configuration of its end portion (end).Shield member 14 is cut off, make its end be positioned at the position identical with crust 15 or slightly expose.
And, being arranged on signal conductor join domain 16a, 16b on the substrate 1, center conductor 11a, the 11b with insulating core 12a, 12b is electrically connected respectively.Signal conductor join domain 16a, 16b amplify diagram in Fig. 2, in fact it be set to the conductive pattern of the holding wire connection usefulness on the substrate 1.Also can replace, the signal conductor join domain is set to the conductor that is connected with above-mentioned conductive pattern.
In addition, drain wire 13 and common ground zone 17 electrical connections that are arranged on the substrate 1.Common ground zone 17 is the zones of common ground point that become the drain wire 13 of 42 core cables 10, amplify diagram in Fig. 2, but in fact it is set to the earthy conductive pattern on the substrate 1.Also can replace, be the conductor that is connected with this conductive pattern with the common ground region division.Here, drain wire 13 can connect by low temperature solder or common solder, also can utilize conductive adhesive bonding with common ground area 17.
And as principal character of the present utility model, common ground zone 17 is arranged on the position that drain wire 13 connects along axially the crossing signal conductor join domain 16a, 16b of 2 core cables.That is, drain wire 13 is crossed the position that center conductor 11a, 11b are connected with substrate 1, and then in the position of cable front end and common ground zone 17 electrical connections of substrate 1.
Therefore, at the preliminary stage that connects, carry out as follows end and process, that is, drain wire 13 is compared with insulating core 12a, 12b and is exposed longlyer, be not the front end of center conductor 11a, 11b, but the front end of drain wire 13 becomes the front end of 2 core cables.Then, derive drain wire 13 so that it crosses signal conductor join domain 16a, 16b, drain wire 13 with identical spacing P state arranged side by side under, by solder or conductivity adhesives and common ground area 17 bonding getting final product.Common ground zone 17 is along long parts of the orientation of 2 core cables 10.When each bar drain wire 13 was connected with common ground area 17, the interval that can make direction arranged side by side was not very accurate.In addition, each bar earth connection 13 also can be by simultaneously together connections such as solders.
In addition, as shown in Figure 2, above-mentioned center conductor 11a, 11b are preferably implementing to coat (cast) with utilizing insulating resin 18a, 18b after signal conductor join domain 16a, 16b are connected.This coating is preferably carried out whole signal conductor join domain 16a, 16b.Thus, can prevent short circuit between drain wire 13 and center conductor 11a, the 11b.
In addition, in the situation of carrying out above-mentioned coating, preferably the exposed length of center conductor 11a, 11b is adjusted, with shown in Fig. 2 (B), the front end of center conductor 11a, 11b is not stretched out from signal conductor join domain 16a, 16b, and utilize insulating resin 18a, 18b to coat.
In addition, in the structure example of Fig. 2, need not consider the order of following (I), (II), that is, be center conductor 11a, 11b and being connected of signal conductor join domain 16a, 16b (I), (II) is drain wire 13 and being connected of common ground area 17.But, the angle of the fault that is caused by static etc. when reduce connecting operation, preferably first by after the connection ground connection of (II), carry out the connection of (I), on the other hand, from connecting easily the angle of operation, preferably carry out first carrying out the coating of insulating resin 18a, 18b after the connection of (I), and then carry out the connection of (II).Formerly carry out in the situation of connection of (II), the preferred anchor clamps that use the part that covers center conductor 11a, 11b are not so that be short-circuited between drain wire 13 and center conductor 11a, the 11b when carrying out this connection.
In addition, 2 core cables 10 are preferred to utilize adhesive tape etc. fixing in the position of not removing crust 15, keeps the interval of 10 on 2 adjacent core cables and disposes side by side.
As mentioned above, according to multi-coaxial cable assembly of the present utility model, owing to axially crossing the position that the signal conductor join domain connects at drain wire along 2 core cables, be provided with the common ground zone, therefore when many 2 core cables are connected with substrate, need not as the technology of patent documentation 1 record, to have electroconductive component in 2 core cable side, do not bother thereby connect.In addition, in the technology of patent documentation 1 record, because the tie point of drain wire and the tie point of center conductor are arranged side by side, therefore can't be with each bar drain wire together common ground, and according to multi-coaxial cable assembly of the present utility model, because they are not arranged side by side, therefore can be with each bar drain wire together common ground.
In addition, by implementing the coating of insulating resin, can not be short-circuited between drain wire and the center conductor.
Claims (5)
1. multi-coaxial cable assembly, it constitutes the multicore cable that will be made of many 2 core cables and is connected with substrate, it is characterized in that,
Above-mentioned 2 core cables utilize shield member to coat 2 center conductor have been implemented the insulating core of insulating wrapped, and have to be configured to the drain wire that contacts with above-mentioned shield member, and 2 core whole cable are coated with crust,
The endways side by side configuration of part of above-mentioned 2 core cables, be electrically connected above-mentioned center conductor at the signal conductor join domain that is arranged on the aforesaid substrate, and, at the above-mentioned drain wire of common ground zone electrical connection that is arranged on the aforesaid substrate, above-mentioned drain wire is compared with above-mentioned insulating core and is exposed longlyer
Above-mentioned common ground region division is in position that above-mentioned drain wire connects along the above-mentioned signal conductor join domain of axially crossing of above-mentioned 2 core cables.
2. multi-coaxial cable assembly according to claim 1 is characterized in that,
Above-mentioned center conductor with the state of above-mentioned signal conductor join domain electrical connection under, utilize insulating resin to implement to coat.
3. multi-coaxial cable assembly according to claim 1 is characterized in that,
Above-mentioned shield member is the metal-resin band.
4. the described multi-coaxial cable assembly of any one in 3 according to claim 1 is characterized in that,
Above-mentioned drain wire vertically is arranged in 2 insulating cores recess that forms arranged side by side, utilizes shield member to coat above-mentioned insulating core and above-mentioned drain wire.
5. the described multi-coaxial cable assembly of any one in 3 according to claim 1 is characterized in that,
Above-mentioned shield member coats two insulating cores, and above-mentioned drain wire vertically is arranged on the outside of above-mentioned shield member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-182360 | 2011-08-24 | ||
| JP2011182360A JP2013045616A (en) | 2011-08-24 | 2011-08-24 | Multicore cable assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202839050U true CN202839050U (en) | 2013-03-27 |
Family
ID=47950694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220425586 Expired - Fee Related CN202839050U (en) | 2011-08-24 | 2012-08-24 | Multi-core cable assembly |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013045616A (en) |
| CN (1) | CN202839050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431913A (en) * | 2013-07-31 | 2016-03-23 | 株式会社润工社 | Coaxial cable |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019097588A1 (en) * | 2017-11-14 | 2019-05-23 | オリンパス株式会社 | Cable connection structure, imaging device, and endoscope |
-
2011
- 2011-08-24 JP JP2011182360A patent/JP2013045616A/en not_active Withdrawn
-
2012
- 2012-08-24 CN CN 201220425586 patent/CN202839050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431913A (en) * | 2013-07-31 | 2016-03-23 | 株式会社润工社 | Coaxial cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013045616A (en) | 2013-03-04 |
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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 |
Granted publication date: 20130327 Termination date: 20190824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |