CN205542055U - Anti -interference double -deck flat cable - Google Patents
Anti -interference double -deck flat cable Download PDFInfo
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- CN205542055U CN205542055U CN201620085539.6U CN201620085539U CN205542055U CN 205542055 U CN205542055 U CN 205542055U CN 201620085539 U CN201620085539 U CN 201620085539U CN 205542055 U CN205542055 U CN 205542055U
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Abstract
The utility model discloses an anti -interference double -deck flat cable, including the substrate, be located both sides about the substrate the adhesive, is connected with the adhesive and just is used for transmitting the conductor of the signal of telecommunication and wrapping up at outermost insulating layer, the conductor include that the cross section is laminar first conducting layer and second conducting layer, first conducting layer and second conducting layer parallel upper and lower both sides that just are located the substrate mutually. The utility model discloses an equivalent capacitance who forms between first conducting layer and the second conducting layer has realized anti -jamming technique effect, imitates FPC's structural design for the thickness of cable gets into the micron dimension, has realized the most genuine cable and has done away with a hierarchical system, simultaneously through insulating layer protection of cables, realizes the tensile through the strengthening part, makes this cable to compare in flat cable in the past, and the volume is littleer, and thickness is thinner, and the interference killing feature is stronger.
Description
Technical field
The utility model relates to electric wire field, particularly relates to a kind of anti-interference double-layer flat cable.
Background technology
Cable is to be formed by several or several groups of wire strandings, often mutually insulated between group wire, and is often twisted into round a center, and whole outside is surrounded by the cover layer of high-insulation so that cable has the feature of interior energising, external insulation.
The electrical equipment that generally we use is two lines, a piece live wire L, a piece zero line N, zero line is considered the center line of three-phase electricity, interference between zero line and live wire is called " DM EMI ", and " DM EMI " also refers to act on the interference voltage between signal anode and negative terminal, mainly has " DM EMI " that the inductive coupling of external electromagnetic field and common mode disturbances are formed after being changed by unbalanced circuit, this interference is carried on useful signal, directly affects the precision measured with control；In order to avoid this " DM EMI " impact on precision, people need to increase some designs and suppress " DM EMI ", such as shunt capacitance or application differential mode inductance or add electromagnetic interface filter at the electric power incoming line of equipment on circuit, but this type of design is difficulty with when small product size is restricted.
nullSimultaneously，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 used，It is for the cable of circular configuration，It is easily installed，Potential safety hazard is less，But the structure that many electric wires in flat cable or cable are placed in parallel，Cable is made to be susceptible to information interference each other during using，It is 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 within flat cable，The signal disturbing between the cable inner core in signals transmission is reduced by the air in hollow channel，So that signal transmission becomes apparent from accurately，But the jamproof effect of this utility model is the most limited，Can only resisting radiation interference，Conduction Interference cannot be prevented；And add hollow channel, i.e. add the width of cable so that this flat cable is not suitable in narrow space.
A kind of it is resistant to Conduction Interference and the thinner double-layer flat cable of thickness therefore, it is necessary to design.
Utility model content
The utility model provides a kind of anti-interference double-layer flat cable for solving the problems referred to above, by the equivalent capacity formed between the first conductive layer and the second conductive layer, it is achieved that the technique effect of anti-Conduction Interference；The structure design of imitative FPC so that the thickness of cable enters micron dimension, it is achieved that cable flattening truly；Simultaneously by dielectric protection layer cable, realize tension by strengthening part so that for this cable is compared to conventional flat cable, volume is less, and thickness is thinner, and antijamming capability is higher.
For achieving the above object, reaching the effect above, the utility model is achieved through the following technical solutions:
A kind of anti-interference double-layer flat cable, described one anti-interference double-layer flat cable includes: base material, is positioned at the adhesive of the upper and lower both sides of base material and is connected with adhesive and for the conductor of transmitting telecommunication number and be wrapped in outermost insulating barrier, described conductor includes that cross section is laminar first conductive layer and the second conductive layer, and the first described conductive layer and the second conductive layer are 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 with adhesive, and on described adhesive, the part beyond conductor is filled by insulating barrier.
Further, the both sides up and down of described conductor are respectively 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, being connected by adhesive and have reinforced insulation layer outside described conductor, described reinforced insulation layer is between insulating barrier and conductor, and width is more than the width of conductor.
Further, the strengthening part that strengthening core is entwined it is provided with in described insulating barrier.
Further, described conductor is the Copper Foil of below 175 μm or silver foil or silver-plated Copper Foil or tin plating Copper Foil.
The beneficial effects of the utility model are:
A kind of anti-interference double-layer flat cable, the stacked structure copying FPC replaces traditional circular configuration, the thickness making cable enters micron dimension, achieve cable flattening truly, simultaneously in the case of cross-sectional area is the same, flake conductor is bigger than the surface area of cylindrical conductor, and its heat-sinking capability significantly improves so that this cable is the safest；Parallel construction between first conductive layer and the second conductive layer of base material both sides is equivalent to an electric capacity, if being applied in power line, the X electric capacity of formation can suppress DM EMI, it is achieved that the technique effect of anti-DM EMI；Simultaneously by dielectric protection layer cable; tension is realized by strengthening part and base material; pressure standard is reached by base material; for making this cable compared to conventional flat cable; volume is less; thickness is thinner, and antijamming capability is higher, is suitable for high to space requirement, high to equipment precision requirement user's use.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of specification, below with preferred embodiment of the present utility model and coordinate accompanying drawing to describe in detail, detailed description of the invention of the present utility model is shown in detail in by following example and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is used for explaining the utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the cross sectional representation of the utility model first embodiment；
Fig. 2 is the schematic equivalent circuit of the utility model first embodiment；
Fig. 3 is the cross sectional representation of the utility model the second embodiment；
Fig. 4 is the cross sectional representation of the utility model the 3rd embodiment；
Fig. 5 is the cross sectional representation of the utility model the 4th embodiment.
Wherein, insulating barrier 1, conductor the 2, first conductive layer the 21, second conductive layer 22, base material 3, adhesive 4, reinforced insulation layer 5, strengthening part 6, C are equivalent capacitys.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail:
As Figure 1-Figure 5, a kind of anti-interference double-layer flat cable, described one anti-interference double-layer flat cable includes: base material 3, is positioned at the adhesive 4 of base material about 3 both sides and is connected with adhesive 4 and for the conductor 2 of transmitting telecommunication number and be wrapped in outermost insulating barrier 1, described conductor 2 includes that cross section is laminar first conductive layer 21 and the second conductive layer 22, and the first described 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.
Further, the width of described conductor 2 is less than the width of base material 3 with adhesive 4, and on described adhesive 4, the part beyond conductor 2 is filled by insulating barrier 1.
Further, the both sides up and down of described conductor 2 are respectively 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, being connected by adhesive 4 and have reinforced insulation layer 5 outside described conductor 2, described reinforced insulation layer 5 is between insulating barrier 1 and conductor 2, and width is more than the width of conductor 2.
Further, the strengthening part 6 that strengthening core is entwined it is provided with in described insulating barrier 1.
Further, the described Copper Foil that conductor 2 is below 175 μm or silver foil or silver-plated Copper Foil or tin plating Copper Foil.
Specific embodiment
The cross section of the utility model first embodiment is as shown in Figure 1, owing to this flat cable is the most elongated, therefore use tilde to omit mutually isostructural mid portion, the figure on tilde both sides is respectively the two ends of this flat cable, wherein, structure from top to bottom is: 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 respectively less than base material 3 and adhesive 4, simultaneously, this insulating barrier 1 uses PVC plastic, conductor 2 uses Copper Foil, base material 3 uses 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, electric power is transmitted.
The first conductive layer 21 accessing live wire L forms equivalent capacity C with the second conductive layer 22 accessing zero line N, equivalent capacity C being connected across between power line two line (L-N) is also called X electric capacity, its equivalent circuit diagram is as shown in Figure 2, simultaneously because equivalent capacity C is plane-parallel capacitor, therefore capacitance is C=ε S/D=εoεrS/D, wherein ε is the dielectric constant of medium, ε between pole plateoFor vacuum absolute dielectric constant, εrFor 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 first conductive layer 21 or area of 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 table 1-1, wherein vacuum absolute dielectric constant εo=8.854187817×10-12F/ m, base material 3 takes ε with the relative dielectric constant of adhesive 4r=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 is at more than 1nf, and the effect of the Xc DM EMI of this capacitance is obvious；Base material 3 uses PI plastic material, and its pressure voltage radix is 275KV/mm, owing to pressure voltage is the most relevant to base material 3, therefore can meet different cable voltage standards by changing the thickness of base material 3.
Table 1-1
As shown in table 1-2, the copper thickness specification that conductor 2 is used at present 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, adhesive 4 is then between 12.5 μm ~ 100 μm, during so using first embodiment, in the case of not including 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.
Table 1-2
In conjunction with the first embodiment obtained by Fig. 1-Fig. 2, this flat cable has the thickness character 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 more than the width of round cable, therefore the area of dissipation of flat cable is more than the area of dissipation of round cable, so in the case of cross-sectional area is the same, flat cable is for round cable, its heat-sinking capability is higher, the electric current that can pass through is higher, so that cable is the safest.
nullThe cross section of the utility model the second embodiment is as shown in Figure 3，On the basis of first embodiment，Conductor 2 is connected by adhesive 4 reinforced insulation layer 5，I.e. all it is connected by adhesive 4 with the outside of the second conductive layer 22 at the first conductive layer 21 and has reinforced insulation layer 5，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、25μm、50 μm three kinds，Two layers of adhesive 4 and reinforced insulation layer 5 is added on the basis of first embodiment，Its thickness specification is between 122.5 μm～765 μm，By sequence number in table 1-2 1.、2. increase by 12.5 μm respectively in two kinds of structures、The reinforced insulation layer 5 of 25 μm，Its thickness is respectively 122.5 μm and 225 μm，Still less than the cable inner core thickness of current circular configuration.
The cross section of the utility model the 3rd embodiment is as shown in Figure 4, on the basis of first embodiment, the strengthening part 6 that many strengthening cores are entwined it is provided with in insulating barrier 1, this strengthening part 6 has eight, the most each four evenly distributed, strengthening part 6 is for being filled in insulating barrier 1, therefore does not increase integral thickness, its thickness and the second embodiment consistent.
The cross section of the utility model the 4th embodiment is as shown in Figure 5, on the basis of the second embodiment, the strengthening part 6 that many strengthening cores are entwined it is provided with in insulating barrier 1, this strengthening part 6 has eight, the most each four evenly distributed, strengthening part 6 is for being filled in insulating barrier 1, therefore does not increase integral thickness, its thickness and the second embodiment consistent.
The above, preferred embodiment the most of the present utility model, not the utility model is made any pro forma restriction；The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly；But, all those skilled in the art, in the range of without departing from technical solutions of the utility model, utilize disclosed above technology contents and a little change made, the equivalent variations modifying and develop, are Equivalent embodiments of the present utility model；Meanwhile, all any equivalent variations above example made according to substantial technological of the present utility model change, modify and differentiation etc., within all still falling within the protection domain of the technical solution of the utility model.
Claims (6)
1. an anti-interference double-layer flat cable, it is characterized in that: described one anti-interference double-layer flat cable includes: base material (3), be positioned at the adhesive (4) of base material (3) up and down both sides and be connected with adhesive (4) and for the conductor (2) of transmitting telecommunication number and be wrapped in outermost insulating barrier (1), described conductor (2) includes that cross section is laminar first conductive layer (21) and the second conductive layer (22), 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).
One the most according to claim 1 anti-interference double-layer flat cable, it is characterized in that: the width of described conductor (2) is less than the width of base material (3) with adhesive (4), and the upper part beyond conductor (2) of described adhesive (4) is filled by insulating barrier (1).
One the most according to claim 1 anti-interference double-layer flat cable, it is characterized in that: the both sides up and down of described conductor (2) are respectively connected with adhesive (4), described the 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.
One the most according to claim 3 anti-interference double-layer flat cable, it is characterized in that: described conductor (2) outside is connected by adhesive (4) reinforced insulation layer (5), described reinforced insulation layer (5) is positioned between insulating barrier (1) and conductor (2), and width is more than the width of conductor (2).
One the most according to claim 1 anti-interference double-layer flat cable, it is characterised in that: it is provided with the strengthening part (6) that strengthening core is entwined in described insulating barrier (1).
One the most according to claim 1 anti-interference double-layer flat cable, it is characterised in that: the described Copper Foil that conductor (2) is below 175 μm or silver foil or silver-plated Copper Foil or tin plating Copper Foil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085539.6U CN205542055U (en) | 2016-01-28 | 2016-01-28 | Anti -interference double -deck flat cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620085539.6U CN205542055U (en) | 2016-01-28 | 2016-01-28 | Anti -interference double -deck flat cable |
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| CN205542055U true CN205542055U (en) | 2016-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513689A (en) * | 2016-01-28 | 2016-04-20 | 苏州路之遥科技股份有限公司 | Anti-interference double-layer flat cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513689A (en) * | 2016-01-28 | 2016-04-20 | 苏州路之遥科技股份有限公司 | Anti-interference double-layer flat cable |
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