CN104952518A - Shielded wire - Google Patents
Shielded wire Download PDFInfo
- Publication number
- CN104952518A CN104952518A CN201510274788.XA CN201510274788A CN104952518A CN 104952518 A CN104952518 A CN 104952518A CN 201510274788 A CN201510274788 A CN 201510274788A CN 104952518 A CN104952518 A CN 104952518A
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- Prior art keywords
- shielding conductor
- shielding
- screen
- conductor
- heart yearn
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Abstract
The invention relates to a shielded wire and belongs to the field of electromagnetic shield. The shielded wire comprises a core wire, a shield layer and a connector, wherein the shield layer is grounded and wraps the external portion of the core wire, the core wire of the shielded wire is electrically connected with core wires of other shielded wires by the connector, and the connector can enable the shield layer of the shielded wire to be sleeved with the shield layer of any other shielded wire. The shield layer of the shielded wire is connected with the shield layers of other shielded wires, the problem that electromagnetic shield capacity of the shielded wire in the prior art is reduced is solved, and electromagnetic shield effect of the shielded wire is improved.
Description
Technical field
The present invention relates to electromagnetic shielding field, particularly a kind of shielding conductor.
Background technology
In automobile, some electrical appliances are when transmission of electric signals, need to avoid electromagnetic wave to produce interference to its signal of telecommunication transmitted.Electromagnetic interference when using at present usually shielding conductor to reduce electric signal transmission.
In correlation technique, shielding conductor is the transmission line using metal net shaped braid that heart yearn is wrapped up, braid is made up of red metal or tin-coated copper usually, and when connection two shielding conductors, usually by the screen strip off of two shielding conductors, heart yearn in two shielding conductors is electrically connected, afterwards again by the screen of two shielding conductors ground connection respectively.
Inventor is realizing in process of the present invention, finds that aforesaid way at least exists following defect: above-mentioned shielding conductor, when connecting, there will be situation about to be exposed to by the heart yearn of junction outside screen, reduces the electromagnetic shielding capability of shielding conductor entirety.
Summary of the invention
In order to solve in correlation technique the problem of the electromagnetic shielding capability reducing shielding conductor entirety, embodiments provide a kind of shielding conductor.Described technical scheme is as follows:
According to the first aspect of the embodiment of the present invention, provide a kind of shielding conductor, described shielding conductor comprises:
Heart yearn, screen and connector, described shielding layer grounding;
Described screen is wrapped in the outside of described heart yearn;
Described connector makes the heart yearn of this shielding conductor be electrically connected with the heart yearn of other shielding conductor arbitrary, and described connector makes the screen of the screen of described shielding conductor and described other shielding conductor arbitrary be socketed.
Optionally, described connector is crimp type terminal.
Optionally, described screen is electrically connected with earth terminal, and described earth terminal is electrically connected with ground strap.
Optionally, described shielding conductor also comprises: heat-shrink tube,
Described heat-shrink tube is wrapped in the outside of described screen.
Optionally, described heat-shrink tube is single wall heat-shrink tube.
Optionally, described heart yearn is single-core line or split conductor.
Optionally, described shielding conductor comprises at least one in instrument beam shield line, indoor wire harness shielding conductor and wiring harness of trunk shielding conductor.
The technical scheme that the embodiment of the present invention provides can comprise following beneficial effect:
By the screen of this shielding conductor and the screen of other shielding conductor being coupled together, solve in correlation technique the problem of the electromagnetic shielding capability reducing shielding conductor entirety; Reach the effect improving shielding conductor electromagnetic shielding capability.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the present invention.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows embodiment according to the invention, and is used from specification one and explains principle of the present invention.
Fig. 1 is the structural representation of a kind of shielding conductor that the invention process exemplifies;
Fig. 2 is the structural representation of the another kind of shielding conductor that the invention process exemplifies;
Fig. 3 is the structural representation that the shielding conductor provided embodiment illustrated in fig. 2 is applied in automobile.
By above-mentioned accompanying drawing, illustrate the embodiment that the present invention is clear and definite more detailed description will be had hereinafter.These accompanying drawings and text description be not in order to limited by any mode the present invention design scope, but by reference to specific embodiment for those skilled in the art illustrate concept of the present invention.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Shielding conductor provided by the invention has electromagnetic shielding capability due to electrostatic screen principle, and namely conductor casing can play " protection " effect to its inside, make its inside not by the impact of external electrical field, and the conductor casing of shielding conductor is screen.
Fig. 1 is the structural representation of a kind of shielding conductor that the invention process exemplifies.This shielding conductor can comprise:
Heart yearn 110, screen 120 and connector 130, screen 120 ground connection.
Screen 120 is wrapped in the outside of heart yearn 110.
Connector 130 makes the heart yearn 110 of this shielding conductor be electrically connected with the heart yearn 110 of other shielding conductor arbitrary, and connector 130 makes the screen 120 of this shielding conductor be socketed with the screen 120 of other shielding conductor arbitrary.
In sum, the shielding conductor that the embodiment of the present invention provides, by the screen of this shielding conductor and the screen of other shielding conductor being coupled together, solves in correlation technique the problem of the electromagnetic shielding capability reducing shielding conductor entirety; Reach the effect improving shielding conductor electromagnetic shielding capability.
Further, please refer to Fig. 2, it illustrates the structural representation of the another kind of shielding conductor that the embodiment of the present invention provides, this shielding conductor adds preferred parts on the basis of the shielding conductor shown in Fig. 1, thus the shielding conductor that the embodiment of the present invention is provided has better performance.
Optionally, connector 130 is crimp type terminal, and crimp type terminal processing is comparatively easy.Namely the shielding conductor that the embodiment of the present invention provides can couple together with the screen 120 of other shielding conductor with the screen 120 of the mode of crimping by this shielding conductor, both the exposure of shielding conductor link position heart yearn 110 had been avoided, also reduce the connection difficulty of shielding conductor, the electromagnetic shielding capability of shielding conductor can be improved easily.And improve the electromagnetic shielding capability of shielding conductor usually can in prior art shielding conductor overcoat upper magnetic ring, but the shielding conductor cost that the shielding conductor utilizing magnet ring to improve electromagnetic shielding capability provides compared to the embodiment of the present invention is higher, implements difficulty larger.
It should be noted that, the shielding conductor that the embodiment of the present invention provides, can be applied in automobile, optionally, screen 120 be electrically connected with earth terminal 140, and earth terminal 140 is electrically connected with ground strap.Namely screen 120 can carry out ground connection by earth terminal 140, and earth terminal 140 can be electrically connected with ground strap, and ground strap is earth connection public in automobile.In addition, the screen of many shielding conductors can link together by the shielding conductor provided due to the embodiment of the present invention, and thus many shielding conductors only can be provided with an earth terminal, avoids the situation that many shielding conductors need ground connection respectively.
Optionally, shielding conductor also comprises: heat-shrink tube 150, and heat-shrink tube 150 is wrapped in the outside of screen 120.Heat-shrink tube 150 is single wall heat-shrink tube.Heat-shrink tube 150 can pass through pyrocondensation (heat contraction) and be pressed on heart yearn 110 by screen 120, can play the effect of guard shield layer 120.
Optionally, heart yearn 110 is single-core line or split conductor.Heart yearn 110 is generally the wire that outer wrap has insulating barrier, is used for transmission of electric signals.
Be described for the shielding conductor of the reversing radar of vehicle comprising display unit and camera below:
As shown in Figure 3, in the car, shielding conductor can comprise at least one in instrument beam shield line 160, indoor wire harness shielding conductor 170 and wiring harness of trunk shielding conductor 180.
The display unit of radar for backing car is arranged at automobile instrument disc enclosure usually, and be connected with instrument beam shield line 160, instrument beam shield line 160 is connected with indoor wire harness shielding conductor 170 by connector 130 afterwards, indoor wire harness shielding conductor 170 is connected with wiring harness of trunk shielding conductor 180 by connector 130 again, then wiring harness of trunk shielding conductor 180 is connected with the camera being arranged at the tailstock, and wiring harness of trunk shielding conductor 180 can be electrically connected with earth terminal 140, to play the effect of ground connection, and instrument beam shield line 160, heat-shrink tube (not marking in Fig. 3) can be enclosed with outside indoor wire harness shielding conductor 170 and wiring harness of trunk shielding conductor 180.Wherein, the heart yearn 110 in instrument beam shield line 160, indoor wire harness shielding conductor 170 and wiring harness of trunk shielding conductor 180 can be double wired conductor, can include two independently heart yearns in double wired conductor.It should be noted that, instrument beam shield line 160, when being connected with display device, can be connected with the shielding conductor of display device by connector 130.
It should be added that the shielding conductor that the embodiment of the present invention provides connects the screen of two shielding conductors by crimp type terminal, reach and make the connection between shielding conductor not only easy but also the effect of electromagnetic shielding capability can not be affected.
In sum, the shielding conductor that the embodiment of the present invention provides, by the screen of this shielding conductor and the screen of other shielding conductor being coupled together, solves in correlation technique the problem of the electromagnetic shielding capability reducing shielding conductor entirety; Reach the effect improving shielding conductor electromagnetic shielding capability.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a shielding conductor, is characterized in that, described shielding conductor comprises:
Heart yearn, screen and connector, described shielding layer grounding;
Described screen is wrapped in the outside of described heart yearn;
Described connector makes the heart yearn of this shielding conductor be electrically connected with the heart yearn of other shielding conductor arbitrary, and described connector makes the screen of the screen of described shielding conductor and described other shielding conductor arbitrary be socketed.
2. shielding conductor according to claim 1, is characterized in that,
Described connector is crimp type terminal.
3. shielding conductor according to claim 1, is characterized in that,
Described screen is electrically connected with earth terminal, and described earth terminal is electrically connected with ground strap.
4. according to the shielding conductor that claim 1 is, it is characterized in that, described shielding conductor also comprises: heat-shrink tube,
Described heat-shrink tube is wrapped in the outside of described screen.
5. shielding conductor according to claim 4, is characterized in that,
Described heat-shrink tube is single wall heat-shrink tube.
6. shielding conductor according to claim 1, is characterized in that,
Described heart yearn is single-core line or split conductor.
7., according to the arbitrary described shielding conductor of claim 1 to 6, it is characterized in that,
Described shielding conductor comprises at least one in instrument beam shield line, indoor wire harness shielding conductor and wiring harness of trunk shielding conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274788.XA CN104952518B (en) | 2015-05-26 | 2015-05-26 | Shielding line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274788.XA CN104952518B (en) | 2015-05-26 | 2015-05-26 | Shielding line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104952518A true CN104952518A (en) | 2015-09-30 |
| CN104952518B CN104952518B (en) | 2017-07-11 |
Family
ID=54167120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274788.XA Active CN104952518B (en) | 2015-05-26 | 2015-05-26 | Shielding line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104952518B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986971A (en) * | 2018-07-02 | 2018-12-11 | 上海微小卫星工程中心 | A kind of cable shield device |
| TWI805701B (en) * | 2018-04-27 | 2023-06-21 | 日商住友電氣工業股份有限公司 | Shielded flat cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438461A (en) * | 2006-05-05 | 2009-05-20 | 3M创新有限公司 | Tubular terminal for a cable |
| CN101507051A (en) * | 2006-08-15 | 2009-08-12 | 株式会社自动网络技术研究所 | Grounding structure and grounding method for shield wire |
| JP2009252356A (en) * | 2008-04-01 | 2009-10-29 | Yazaki Corp | Connector terminal |
| CN201490366U (en) * | 2009-07-23 | 2010-05-26 | 费江海 | Anti-jamming shielded cable for mining variable-frequency governor |
| CN103775053A (en) * | 2012-10-23 | 2014-05-07 | 中国石油集团长城钻探工程有限公司 | Coaxial shielded wire portable type connecting structure between sealing cavities under high temperature and high pressure |
| CN104051063A (en) * | 2013-03-13 | 2014-09-17 | 住友电装株式会社 | Support and end connection structure of braided wire and employing the support |
-
2015
- 2015-05-26 CN CN201510274788.XA patent/CN104952518B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438461A (en) * | 2006-05-05 | 2009-05-20 | 3M创新有限公司 | Tubular terminal for a cable |
| CN101507051A (en) * | 2006-08-15 | 2009-08-12 | 株式会社自动网络技术研究所 | Grounding structure and grounding method for shield wire |
| JP2009252356A (en) * | 2008-04-01 | 2009-10-29 | Yazaki Corp | Connector terminal |
| CN201490366U (en) * | 2009-07-23 | 2010-05-26 | 费江海 | Anti-jamming shielded cable for mining variable-frequency governor |
| CN103775053A (en) * | 2012-10-23 | 2014-05-07 | 中国石油集团长城钻探工程有限公司 | Coaxial shielded wire portable type connecting structure between sealing cavities under high temperature and high pressure |
| CN104051063A (en) * | 2013-03-13 | 2014-09-17 | 住友电装株式会社 | Support and end connection structure of braided wire and employing the support |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI805701B (en) * | 2018-04-27 | 2023-06-21 | 日商住友電氣工業股份有限公司 | Shielded flat cable |
| CN108986971A (en) * | 2018-07-02 | 2018-12-11 | 上海微小卫星工程中心 | A kind of cable shield device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104952518B (en) | 2017-07-11 |
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