CN105513689A - Anti-interference double-layer flat cable - Google Patents
Anti-interference double-layer flat cable Download PDFInfo
- Publication number
- CN105513689A CN105513689A CN201610059608.0A CN201610059608A CN105513689A CN 105513689 A CN105513689 A CN 105513689A CN 201610059608 A CN201610059608 A CN 201610059608A CN 105513689 A CN105513689 A CN 105513689A
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- CN
- China
- Prior art keywords
- layer
- flat cable
- adhesive
- cable
- conductor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0823—Parallel wires, incorporated in a flat insulating profile
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
Abstract
The invention discloses an anti-interference double-layer flat cable which comprises a base material, adhesive located on the upper side and the lower side of the base material, a conductor which is connected with the adhesive and used for transmitting electric signals and an insulating layer arranged on the outermost layer in a wrapping mode. The conductor comprises a first conducting layer and a second conducting layer, wherein the first conducting layer and the second conducting layer are in a sheet shape, and the first conducting layer and the second conducting layer are parallel to each other and located on the upper side and the lower side of the base material. According to the anti-interference double-layer flat cable, through equivalent capacitance formed between the first conducting layer and the second conducting layer, the anti-interference technical effect is achieved, through FPC imitation structural design, the thickness of the cable can reach a micron level, cable flattening is achieved in real sense, meanwhile the insulating layer protects the cable, and tension resistance is achieved through a reinforcing component, so that the cable can be smaller in size, smaller in thickness and higher in anti-interference capacity compared with an existing flat cable.
Description
Technical field
The present invention relates to electric wire field, particularly relate to a kind of anti-interference double-layer flat cable.
Background technology
Cable is formed by several or several groups of wire strandings, and often organize mutually insulated between wire, and be often twisted into round a center, whole outside is surrounded by the cover layer of high-insulation, makes cable have the feature of interior energising, external insulation.
Usually the electrical equipment that we use is two lines, a live wire L, a zero line N, zero line thinks the center line of three-phase electricity, interference between zero line and live wire is called " differential mode interference ", and " differential mode interference " also refers to the interference voltage acted between signal anode and negative terminal, and the inductive coupling and the common mode disturbances that mainly contain external electromagnetic field are changed rear " differential mode interference " that formed by unbalanced circuit, this interference is carried on useful signal, directly affects the precision of Measurement & Control; In order to avoid this " differential mode interference " is on the impact of precision, people need to increase some designs and suppress " differential mode interference ", such as shunt capacitance or application differential mode inductance or add electromagnetic interface filter at the electric power incoming line place of equipment on circuit, but this type of design is difficult to when small product size is restricted realize.
Simultaneously, such as generate electricity, metallurgical, chemical industry, under the adverse circumstances such as harbour, between mobile appliance equipment, electrical equipment connects the flat cable often adopted, it is relative to the cable of circular configuration, be easy to install, potential safety hazard is less, but the structure of many wires in flat cable or the parallel placement of cable, cable information easily occurred each other in the process used is disturbed, be directed to this kind of situation, patent announcement number is the jamming-proof flat cable of one of CN204066795U, by being provided with hollow channel between the cable inner core of flat cable inside, the signal disturbing between the cable inner core in signals transmission is reduced by the air in hollow channel, thus make Signal transmissions more accurately clear, but the jamproof effect of this invention is very limited, can only resisting radiation interference, conducted interference cannot be prevented, and add hollow channel, namely add the width of cable, this flat cable is not suitable in narrow space.
Therefore, be necessary to design the anti-conducted interference of a kind of energy and the thinner double-layer flat cable of thickness.
Summary of the invention
The present invention provides a kind of anti-interference double-layer flat cable for solving the problem, by the equivalent capacity formed between the first conductive layer and the second conductive layer, achieve the technique effect of anti-conducted interference; The structural design of imitative FPC, makes the thickness of cable enter micron dimension, achieves cable flattening truly; Simultaneously by dielectric protection layer cable, realize tension by strengthening part, make this cable compared to flat cable in the past, volume is less, and thickness is thinner, and antijamming capability is stronger.
For achieving the above object, reach above-mentioned effect, the present invention is achieved through the following technical solutions:
A kind of anti-interference double-layer flat cable, described one anti-interference double-layer flat cable comprises: base material, be positioned at the upper and lower both sides of base material adhesive, to be connected with adhesive and be used for transmission of electric signals conductor and be wrapped in outermost insulating barrier, it is laminar first conductive layer and the second conductive layer that described conductor comprises cross section, the first described conductive layer and the second conductive layer parallel to each other and lay respectively at the both sides up and down of base material.
Further, the width of described conductor is less than the width of base material and adhesive, and the part described adhesive exceeding conductor is filled by insulating barrier.
Further, the both sides up and down of described conductor are all connected with adhesive, and the first described conductive layer and the second conductive layer are wrapped in inner side by the adhesive of upper and lower both sides respectively.
Further, be connected with reinforced insulation layer outside described conductor by adhesive, described reinforced insulation layer is between insulating barrier and conductor, and width is greater than the width of conductor.
Further, the strengthening part that strengthening core is entwined is provided with in described insulating barrier.
Further, described conductor is the Copper Foil of less than 175 μm or silver foil or silver-plated Copper Foil or zinc-plated Copper Foil.
The invention has the beneficial effects as follows:
A kind of anti-interference double-layer flat cable, the stacked structure copying FPC replaces traditional circular configuration, the thickness of cable is made to enter micron dimension, achieve cable flattening truly, simultaneously when cross-sectional area is the same, flake conductor is larger than the surface area of cylindrical conductor, and its heat-sinking capability significantly improves, and makes this cable safer in actual use; Parallel construction between first conductive layer and the second conductive layer of base material both sides is equivalent to an electric capacity, if be applied in power line, equivalent X electric capacity can suppress differential mode interference, achieves the technique effect of anti-differential mode interference; Simultaneously by dielectric protection layer cable; tension is realized by strengthening part and base material; withstand voltage standard is reached by base material; make this cable compared to flat cable in the past; volume is less; thickness is thinner, and antijamming capability is stronger, is suitable for high to space requirement, high to equipment precision requirement user and uses.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, coordinate accompanying drawing to describe in detail with preferred embodiment of the present invention below, the specific embodiment of the present invention provides in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the cross sectional representation of first embodiment of the invention;
Fig. 2 is the schematic equivalent circuit of first embodiment of the invention;
Fig. 3 is the sample table of the selection of material parameter and electrical quantity in first embodiment of the invention;
Fig. 4 is the sample table of the selection of material parameter and thickness in first embodiment of the invention;
Fig. 5 is the cross sectional representation of second embodiment of the invention;
Fig. 6 is the cross sectional representation of third embodiment of the invention;
Fig. 7 is the cross sectional representation of fourth embodiment of the invention.
Wherein, insulating barrier 1, conductor 2, first conductive layer 21, second conductive layer 22, base material 3, adhesive 4, reinforced insulation layer 5, strengthening part 6, C are equivalent capacitys.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail:
As shown in Fig. 1-Fig. 7, a kind of anti-interference double-layer flat cable, described one anti-interference double-layer flat cable comprises: base material 3, be positioned at base material about 3 both sides adhesive 4, to be connected with adhesive 4 and be used for transmission of electric signals conductor 2 and be wrapped in outermost insulating barrier 1, it is laminar first conductive layer 21 and the second conductive layer 22 that described conductor 2 comprises cross section, the first described conductive layer 21 and the second conductive layer 22 parallel to each other and lay respectively at the both sides up and down of base material 3.
Further, the width of described conductor 2 is less than the width of base material 3 and adhesive 4, and the part described adhesive 4 exceeding conductor 2 is filled by insulating barrier 1.
Further, the both sides up and down of described conductor 2 are all connected with adhesive 4, and the first described conductive layer 21 and the second conductive layer 22 are wrapped in inner side by the adhesive 4 of upper and lower both sides respectively.
Further, be connected with reinforced insulation layer 5 outside described conductor 2 by adhesive 4, described reinforced insulation layer 5 is between insulating barrier 1 and conductor 2, and width is greater than the width of conductor 2.
Further, the strengthening part 6 that strengthening core is entwined is provided with in described insulating barrier 1.
Further, described conductor 2 is the Copper Foil of less than 175 μm or silver foil or silver-plated Copper Foil or zinc-plated Copper Foil.
Specific embodiment
The cross section of first embodiment of the invention as shown in Figure 1, because this flat cable is too elongated, therefore adopt tilde to omit the mid portion of same structure, the figure on tilde both sides is respectively the two ends of this flat cable, wherein, structure is from top to bottom: insulating barrier 1, first conductive layer 21, adhesive 4, base material 3, adhesive 4, second conductive layer 22 and insulating barrier 1, first conductive layer 21 is parallel with the second conductive layer 22, and width is all less than base material 3 and adhesive 4, simultaneously, this insulating barrier 1 adopts PVC plastic, conductor 2 adopts Copper Foil, base material 3 adopts PI plastic material, this cable is as power line, its first conductive layer 21 accesses live wire L, second conductive layer 22 accesses zero line N, make electric power transfer.
First conductive layer 21 of access live wire L forms an equivalent capacity C with second conductive layer 22 of access zero line N, the equivalent capacity C be connected across between power line two line (L-N) is also called X electric capacity, its equivalent circuit diagram as shown in Figure 2, simultaneously because equivalent capacity C is plane-parallel capacitor, therefore capacitance is C=ε S/D=ε
oε
rs/D, wherein ε is the dielectric constant of medium between pole plate, ε
ofor vacuum absolute dielectric constant, ε
rfor relative dielectric constant, S is polar plate area, D is the distance between pole plate, in this embodiment, ε is the dielectric constant of medium between the first conductive layer 21 and the second conductive layer 22, S is the area of the first conductive layer 21 or the second conductive layer 22, and D is the distance between the first conductive layer 21 and the second conductive layer 22.
As shown in Figure 3, wherein vacuum absolute dielectric constant ε
o=8.854187817 × 10
-12f/m, base material 3 gets ε with the relative dielectric constant of adhesive 4
r=3, the parameter of adhesive 4 be upper and lower two layers of adhesive 4 and value, when the width of Copper Foil is 5mm, its capacitance at more than 1nf, the successful of the Xc differential mode interference of this capacitance; Base material 3 adopts PI plastic material, and its withstand voltage radix is 275KV/mm, because withstand voltage is main relevant to base material 3, therefore meets different cable voltage standards by the thickness changing base material 3.
As shown in Figure 4, the copper thickness specification that current conductor 2 uses has 17.5 μm, 35 μm, 70 μm three kinds, base material 3 has 12.5 μm, 25 μm, 50 μm, 75 μm, 125 μm five kinds, 4, adhesive is between 12.5 μm ~ 100 μm, so when adopting the first embodiment, when not comprising insulating barrier 1, its gross thickness numerical value is between 72.5 μm ~ 465 μm, and current modal sequence number 1., 2. the thickness of two kinds of structures be 72.5 μm, 135 μm respectively, its thickness is less than the cable inner core thickness of current circular configuration.
The first embodiment that composition graphs 1-Fig. 4 obtains, this flat cable has the character of thickness much smaller than width, and round cable thickness and width are diameter R, when the sectional area of two kinds of cables is consistent, its impedance is consistent, when by same current, the heat that its cable produces is consistent, now, the width of flat cable is greater than the width of round cable, therefore the area of dissipation of flat cable is greater than the area of dissipation of round cable, so when cross-sectional area is the same, flat cable is relative to round cable, its heat-sinking capability is stronger, by electric current higher, thus make cable safer in actual use.
The cross section of second embodiment of the invention as shown in Figure 5, on the basis of the first embodiment, conductor 2 is connected with reinforced insulation layer 5 by adhesive 4, namely all reinforced insulation layer 5 is connected with by adhesive 4 in the outside of the first conductive layer 21 and the second conductive layer 22, the vacancy of conductor 2 both sides is also filled with adhesive 4, first conductive layer 21 and the second conductive layer 22 are wrapped in inner side by the adhesive 4 of upper and lower both sides respectively, the thickness specification of reinforced insulation layer 5 common are 12.5 μm, 25 μm, 50 μm three kinds, the basis of the first embodiment adds two layers of adhesive 4 and reinforced insulation layer 5, its thickness specification is between 122.5 μm ~ 765 μm, by sequence number in Fig. 4 1., 2. two kinds of structures increase by 12.5 μm respectively, the reinforced insulation layer 5 of 25 μm, its thickness is respectively 122.5 μm and 225 μm, still be less than the cable inner core thickness of current circular configuration.
The cross section of third embodiment of the invention as shown in Figure 6, on the basis of the first embodiment, the strengthening part 6 that many strengthening cores are entwined is provided with in insulating barrier 1, this strengthening part 6 has eight, up and down each four evenly distributed, strengthening part 6 for being filled in insulating barrier 1, therefore does not increase integral thickness, and its thickness is consistent with the second embodiment.
The cross section of fourth embodiment of the invention as shown in Figure 7, on the basis of the second embodiment, the strengthening part 6 that many strengthening cores are entwined is provided with in insulating barrier 1, this strengthening part 6 has eight, up and down each four evenly distributed, strengthening part 6 for being filled in insulating barrier 1, therefore does not increase integral thickness, and its thickness is consistent with the second embodiment.
The above, be only preferred embodiment of the present invention, not does any pro forma restriction to the present invention; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the present invention swimmingly; But all those skilled in the art are not departing within the scope of technical solution of the present invention, utilize disclosed above technology contents and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present invention; Meanwhile, all according to substantial technological of the present invention to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection range all still belonging to technical scheme of the present invention.
Claims (6)
1. an anti-interference double-layer flat cable, it is characterized in that: described one anti-interference double-layer flat cable comprises: base material (3), be positioned at base material (3) up and down both sides adhesive (4), to be connected with adhesive (4) and be used for transmission of electric signals conductor (2) and be wrapped in outermost insulating barrier (1), it is laminar first conductive layer (21) and the second conductive layer (22) that described conductor (2) comprises cross section, and described the first conductive layer (21) and the second conductive layer (22) are parallel to each other and lay respectively at the both sides up and down of base material (3).
2. the anti-interference double-layer flat cable of one according to claim 1, it is characterized in that: the width of described conductor (2) is less than the width of base material (3) and adhesive (4), and the part described adhesive (4) exceeding conductor (2) is filled by insulating barrier (1).
3. the anti-interference double-layer flat cable of one according to claim 1, it is characterized in that: the both sides up and down of described conductor (2) are all connected with adhesive (4), described the first conductive layer (21) and the second conductive layer (22) are wrapped in inner side by the adhesive of upper and lower both sides (4) respectively.
4. the anti-interference double-layer flat cable of one according to claim 3, it is characterized in that: described conductor (2) outside is connected with reinforced insulation layer (5) by adhesive (4), described reinforced insulation layer (5) is positioned between insulating barrier (1) and conductor (2), and width is greater than the width of conductor (2).
5. the anti-interference double-layer flat cable of one according to claim 1, is characterized in that: be provided with the strengthening part (6) that strengthening core is entwined in described insulating barrier (1).
6. the anti-interference double-layer flat cable of one according to claim 1, is characterized in that: described conductor (2) is the Copper Foil of less than 175 μm or silver foil or silver-plated Copper Foil or zinc-plated Copper Foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059608.0A CN105513689A (en) | 2016-01-28 | 2016-01-28 | Anti-interference double-layer flat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059608.0A CN105513689A (en) | 2016-01-28 | 2016-01-28 | Anti-interference double-layer flat cable |
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| Publication Number | Publication Date |
|---|---|
| CN105513689A true CN105513689A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610059608.0A Pending CN105513689A (en) | 2016-01-28 | 2016-01-28 | Anti-interference double-layer flat cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109416960A (en) * | 2016-07-29 | 2019-03-01 | 矢崎总业株式会社 | Flat cable |
| DE102022207767B3 (en) | 2022-07-28 | 2023-10-05 | Magna powertrain gmbh & co kg | Power module and method for producing the power module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225563B1 (en) * | 1999-04-12 | 2001-05-01 | Peder U. Poulsen | Audio signal interconnect cable |
| CN101681696A (en) * | 2007-06-13 | 2010-03-24 | 自动电缆管理有限责任公司 | Motor vehicle power cable |
| CN203038681U (en) * | 2012-11-02 | 2013-07-03 | 中国电子科技集团公司第二十三研究所 | Low-inductance flat cable |
| CN204066795U (en) * | 2014-09-27 | 2014-12-31 | 沈健龙 | A kind of jamming-proof flat cable |
| CN205542055U (en) * | 2016-01-28 | 2016-08-31 | 苏州路之遥科技股份有限公司 | Anti -interference double -deck flat cable |
-
2016
- 2016-01-28 CN CN201610059608.0A patent/CN105513689A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225563B1 (en) * | 1999-04-12 | 2001-05-01 | Peder U. Poulsen | Audio signal interconnect cable |
| CN101681696A (en) * | 2007-06-13 | 2010-03-24 | 自动电缆管理有限责任公司 | Motor vehicle power cable |
| CN203038681U (en) * | 2012-11-02 | 2013-07-03 | 中国电子科技集团公司第二十三研究所 | Low-inductance flat cable |
| CN204066795U (en) * | 2014-09-27 | 2014-12-31 | 沈健龙 | A kind of jamming-proof flat cable |
| CN205542055U (en) * | 2016-01-28 | 2016-08-31 | 苏州路之遥科技股份有限公司 | Anti -interference double -deck flat cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109416960A (en) * | 2016-07-29 | 2019-03-01 | 矢崎总业株式会社 | Flat cable |
| DE102022207767B3 (en) | 2022-07-28 | 2023-10-05 | Magna powertrain gmbh & co kg | Power module and method for producing the power module |
| WO2024022828A1 (en) | 2022-07-28 | 2024-02-01 | Magna powertrain gmbh & co kg | Power module and method for producing the power module |
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Application publication date: 20160420 |