CN205355493U - Flat power cord of anti -interference bilayer - Google Patents
Flat power cord of anti -interference bilayer Download PDFInfo
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- CN205355493U CN205355493U CN201620086859.3U CN201620086859U CN205355493U CN 205355493 U CN205355493 U CN 205355493U CN 201620086859 U CN201620086859 U CN 201620086859U CN 205355493 U CN205355493 U CN 205355493U
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Abstract
The utility model discloses a flat power cord of anti -interference bilayer, including plug and flat cable, flat cable include the substrate, be located both sides about the substrate the adhesive, is connected with the adhesive and just is used for transmitting the conducting layer of the signal of telecommunication and wrapping up at outermost insulating layer, the conducting layer include that the cross section is laminar first power plane and second source layer, the plug include the inserted sheet, the inserted sheet pass through the power supply lead wire and be connected with the conducting layer. The utility model discloses an equivalent capacitance who forms between first power plane and the second source layer has realized the technological effect of anti differential mode interference, imitative FPC's structural design for the most genuine flattening has been realized to the cable, simultaneously through insulating layer protection of cables, realizes the tensile through the strengthening part, makes this power cord to compare in power cord in the past, and the volume of cable is littleer, and thickness is thinner, and the interference killing feature is stronger.
Description
Technical field
This utility model relates to power line field, particularly relates to a kind of anti-interference double-layer flat power line.
Background technology
Power line is the electric wire of transmission electric current, and the Power Line Communication that in life, we use is that power lines inserted by two plug in power lines or three, and therein two plug in power lines as the term suggests being exactly two inserted sheets, and two inserted sheets connect live wire L and zero line N respectively.
Power line is to disturb incoming equipment and spread out of the main path of equipment, pass through power line, the interference of electrical network can incoming equipment, the normal operation of jamming equipment, the interference that same equipment produces is likely to passes on electrical network by power line, disturb the normal operation of other equipment, and wherein, interference between zero line and live wire is called " differential mode interference ", " differential mode interference " also refers to act on the interference voltage between signal anode and negative terminal, mainly there is " differential mode interference " 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 affect the precision measured with control, in order to avoid this " differential mode interference " impact on precision, such as shunt capacitance on circuit, or apply differential mode inductance or add electromagnetic interface filter at the electric power incoming line place of equipment, but this type of design is difficulty with when small product size is restricted.
Simultaneously, such as generate electricity, metallurgical, chemical industry, under the adverse circumstances such as harbour, between mobile appliance equipment, electrical equipment connects the flat power wire often adopted, flat power wire typically refers to cable flattening, this is due to when plug is consistent, flat cable is relative to the cable of circular configuration, it is easily installed, potential safety hazard is less, but the structure of many wires in flat cable or the parallel placement of cable, cable is made to be susceptible to information interference each other in the process used, 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 very limited, can only resisting radiation interference, Conduction Interference cannot be prevented；And add hollow channel, namely add the width of cable so that the power line configuring this type of flat cable is not suitable in narrow space.
Therefore, it is necessary to design one is resistant to " differential mode interference " and the thinner double-layer flat power line of cable thickness.
Utility model content
This utility model provides a kind of anti-interference double-layer flat power line for solving the problems referred to above; by the X electric capacity formed between the first bus plane and second source layer; achieve the technique effect of anti-differential mode interference, the structural design of imitative FPC so that cable achieves flattening truly; simultaneously by dielectric protection layer cable; tension is realized so that this power line is compared to conventional power line, and volume is less by strengthening part; thickness is thinner, and capacity of resisting disturbance is higher.
For achieving the above object, reaching the effect above, this utility model is achieved through the following technical solutions:
A kind of anti-interference double-layer flat power line, including plug and flat cable, described flat cable includes base material, the binding agent of the upper and lower both sides that are positioned at base material is connected with binding agent and for the conductive layer of transmitting telecommunication number and be wrapped in outermost insulating barrier, it is laminar first bus plane and second source layer that described conductive layer includes cross section, the first described bus plane and second source layer are parallel to each other and lay respectively at the both sides up and down of base material, described plug includes inserted sheet, and described inserted sheet is connected with conductive layer by power supply lead wire.
Further, the width of described conductive layer is less than the width of base material Yu binding agent, and on described binding agent, the part beyond conductive layer is filled by insulating barrier.
Further, the first described bus plane and second source layer are wrapped in inner side by binding agent respectively, described conductive layer outside is connected to reinforced insulation layer by binding agent, and described reinforced insulation layer is between insulating barrier and conductive layer, and width is more than the width of conductive layer.
Further, the strengthening part that strengthening core is entwined it is provided with in described insulating barrier.
Further, described conductive layer is the Copper Foil of less than 175 μm or native silver or silver-plated Copper Foil or tin plating Copper Foil.
Further, the Europe superscript that GB two is inserted or bipod is round two that described plug is bipod flat type is inserted.
Further, one end of described power supply lead wire is slice conductor, is connected with conductive layer, and the other end is round wire, is connected with inserted sheet.
The beneficial effects of the utility model are:
A kind of anti-interference double-layer flat power line, cable is copied the stacked structure of FPC and is replaced traditional circular configuration, the thickness making cable enters micron dimension, achieve cable flattening truly, simultaneously when cross-sectional area is the same, flake conductive layer is bigger than the surface area of cylindrical conductor, and its heat-sinking capability significantly improves so that this power line is safer in actual use；Parallel construction between first bus plane and second source layer of base material both sides is equivalent to an X electric capacity, thus suppressing differential mode interference, it is achieved that the technique effect of anti-differential mode interference；Simultaneously by dielectric protection layer cable; tension is realized by strengthening part and base material; pressure standard is reached by base material; make the power line using this cable compared to conventional power line; volume is less; thickness is thinner, and capacity of resisting disturbance is higher, is suitable for space requirement is high, equipment precision requirement is high 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 description, 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 this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of this utility model first embodiment；
Fig. 2 is the partial cutaway schematic view of this utility model first embodiment；
Fig. 3 is the cross sectional representation of flat cable in this utility model first embodiment；
Fig. 4 is the schematic equivalent circuit of flat cable in this utility model first embodiment；
Fig. 5 is the sample table of flat cable the selection of material parameter and electrical quantity in this utility model first embodiment；
Fig. 6 is the sample table of flat cable the selection of material parameter and thickness in this utility model first embodiment；
Fig. 7 is the cross sectional representation of flat cable in this utility model the second embodiment；
Fig. 8 is the cross sectional representation of flat cable in this utility model the 3rd embodiment；
Fig. 9 is the cross sectional representation of flat cable in this utility model the 4th embodiment；
Figure 10 is the structural representation of flat cable in this utility model the 5th embodiment.
Wherein, plug 1, inserted sheet 11, power supply lead wire 12, flat cable 2, insulating barrier 21, conductive layer the 22, first bus plane 221, second source layer 222, base material 23, binding agent 24, reinforced insulation layer 25, strengthening part 26, C are equivalent capacitys.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, this utility model is described in detail:
As shown in Fig. 1-Figure 10, a kind of anti-interference double-layer flat power line, including plug 1 and flat cable 2, described flat cable 2 includes base material 23, it is positioned at the binding agent 24 of base material about 23 both sides, it is connected with binding agent 24 and for the conductive layer 22 of transmitting telecommunication number and be wrapped in outermost insulating barrier 21, it is laminar first bus plane 221 and second source layer 222 that described conductive layer 22 includes cross section, described first bus plane 221 is parallel to each other with second source layer 222 and lays respectively at the both sides up and down of base material 23, described plug 1 includes inserted sheet 11, described inserted sheet 11 is connected with conductive layer 22 by power supply lead wire 12.
Further, the width of described conductive layer 22 is less than the width of base material 23 with binding agent 24, and on described binding agent 24, the part beyond conductive layer 22 is filled by insulating barrier 21.
Further, the first described bus plane 221 is wrapped in inner side by binding agent 24 respectively with second source layer 222, it is connected to reinforced insulation layer 25 by binding agent 24 outside described conductive layer 22, described reinforced insulation layer 25 is between insulating barrier 21 and conductive layer 22, and width is more than the width of conductive layer 22.
Further, the strengthening part 26 that strengthening core is entwined it is provided with in described insulating barrier 21.
Further, the described Copper Foil that conductive layer 22 is less than 175 μm or native silver or silver-plated Copper Foil or tin plating Copper Foil.
Further, the described Europe superscript that the GB that plug 1 is bipod flat type two is inserted or bipod is round two is inserted.
Further, one end of described power supply lead wire 12 is slice conductor, is connected with conductive layer 22, and the other end is round wire, is connected with inserted sheet 11.
Specific embodiment
This utility model first embodiment is in conjunction with shown in Fig. 1 and Fig. 2, a kind of anti-interference double-layer flat power line, plug 1 uses the GB two of bipod flat type to insert, namely plug 1 has the inserted sheet 11 of two pieces of flat type, inserted sheet 11 is connected with power supply lead wire 12 in plug 1 inside, power supply lead wire 12 is connected with the conductive layer 22 on flat cable 2, it is achieved that the function of transmission electric current.
As can be known from Fig. 2, naked layer 21 on the conductive layer 22 of flat cable 2 tail end, conductive layer 22 is exposed outside, the power supply lead wire 12 of round wire is welded on conductive layer 22, simultaneously, two power supply lead wires 12 being connected respectively with the first bus plane 221, second source layer 222 are drawn toward rightabout, to avoid power supply lead wire 12 to contact with each other because of hypotelorism the short circuit phenomenon caused；One end of power supply lead wire 12 fries batter in a thin layer conductor in an alternative embodiment, and corresponding with laminar conductive layer 22, the other end is round wire, is connected with inserted sheet 11.
In first embodiment, the cross section of flat cable 2 is as shown in Figure 3, owing to this flat cable 2 is too elongated, therefore adopt tilde to omit mutually isostructural mid portion, the two ends of the figure on tilde both sides respectively this flat cable 2, wherein, structure from top to bottom is: insulating barrier 21, first bus plane 221, binding agent 24, base material 23, binding agent 24, second source layer 222 and insulating barrier 21, first bus plane 221 is parallel with second source layer 222, and width is respectively less than base material 23 and binding agent 24, simultaneously, this insulating barrier 21 adopts PVC plastic, this base material 23 adopts PI plastic material, conductive layer 22 adopts Copper Foil, first bus plane 221 accesses live wire L, second source layer 222 accesses zero line N, electric power is transmitted.
The first bus plane 221 accessing live wire L is equal to an equivalent capacity C with the second source layer 222 accessing zero line N, the 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 4, 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 bus plane 221 and second source layer 222, S is the area of the first bus plane 221 or second source layer 222, and D is the distance between the first bus plane 221 and second source layer 222.
In conjunction with the first embodiment that Fig. 1-Fig. 4 is obtained, flat cable 2 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 2 is more than the width of round cable, therefore the area of dissipation of flat cable 2 is more than the area of dissipation of round cable, so when cross-sectional area is the same, flat cable 2 is relative to round cable, its heat-sinking capability is higher, the electric current that can pass through is higher, so that this power line is safer in actual use.
As it is shown in figure 5, wherein vacuum absolute dielectric constant εo=8.854187817×10-12F/m, the relative dielectric constant of base material 23 and binding agent 24 takes εr=3, the parameter of binding agent 24 be upper and lower two layers of adhesive 24 and value, when the width of Copper Foil is 5mm, its capacitance is all at more than 1nf, and the effect of the Xc differential mode interference of this capacitance is obvious；Base material 23 adopts PI plastic material, and its pressure voltage radix is 275KV/mm, owing to pressure voltage is main relevant to base material 23, therefore can meet the pressure standard of different power lines by the thickness of change base material 23.
As shown in Figure 6, the copper thickness specification that current conductive layer 22 uses has 17.5 μm, 35 μm, 70 μm three kinds, base material 23 has 12.5 μm, 25 μm, 50 μm, 75 μm, 125 μm five kinds, binding agent 24 is then between 12.5 μm ~ 100 μm, so when adopting first embodiment, when not including insulating barrier 21, its thickness specification 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.
In this utility model the second embodiment, the cross section of flat cable 2 is as shown in Figure 7, on the basis of first embodiment, conductive layer 22 is connected to reinforced insulation layer 25 by binding agent 24, namely it is respectively connected with binding agent 24 and reinforced insulation layer 25 in the outside of the first bus plane 221 with second source layer 222, the vacancy of conductive layer 22 both sides is also filled with binding agent 24, first bus plane 221 is wrapped in inner side by the binding agent 24 of upper and lower both sides respectively with second source layer 222, the thickness specification of reinforced insulation layer 25 common are 12.5 μm, 25 μm, 50 μm three kinds, the basis of first embodiment adds two layers of adhesive 24 and reinforced insulation layer 25, 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 25 of 25 μm, its thickness respectively 122.5 μm, 225 μm, still less than the cable inner core thickness of current circular configuration.
In this utility model the 3rd embodiment, the cross section of flat cable 2 is as shown in Figure 8, on the basis of first embodiment, the strengthening part 26 that many strengthening cores are entwined it is provided with in insulating barrier 21, this strengthening part 26 has eight, up and down each four evenly distributed, strengthening part 26 is for being filled in insulating barrier 21, therefore does not increase integral thickness, with the consistency of thickness of first embodiment.
In this utility model the 4th embodiment, the cross section of flat cable 2 is as shown in Figure 9, on the basis of the second embodiment, the strengthening part 26 that many strengthening cores are entwined it is provided with in insulating barrier 21, this strengthening part 26 has eight, up and down each four evenly distributed, strengthening part 26 is for being filled in insulating barrier 21, therefore does not increase integral thickness, with the consistency of thickness of the second embodiment.
Figure 10 is the 5th embodiment of the present utility model, and the Europe superscript two that its plug 1 uses bipod round is inserted, and namely has the inserted sheet 11 of two pieces of column types on plug 1.
The above, be only preferred embodiment of the present utility model, and this utility model is not done 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 this utility model swimmingly；But, all those skilled in the art without departing within the scope of technical solutions of the utility model, utilize disclosed above technology contents and make a little change, modify and the equivalent variations of differentiation, be Equivalent embodiments of the present utility model；Meanwhile, the change of all any equivalent variations above example made according to substantial technological of the present utility model, modification and differentiation etc., all still fall within the protection domain of the technical solution of the utility model.
Claims (7)
1. an anti-interference double-layer flat power line, including plug (1) and flat cable (2), it is characterized in that: described flat cable (2) includes base material (23), it is positioned at the binding agent (24) of base material (23) both sides up and down, it is connected with binding agent (24) and is used for the conductive layer (22) of transmitting telecommunication number and is wrapped in outermost insulating barrier (21), it is laminar first bus plane (221) and second source layer (222) that described conductive layer (22) includes cross section, described the first bus plane (221) and second source layer (222) are parallel to each other and lay respectively at the both sides up and down of base material (23), described plug (1) includes inserted sheet (11), described inserted sheet (11) is connected with conductive layer (22) by power supply lead wire (12).
2. the anti-interference double-layer flat power line of one according to claim 1, it is characterized in that: the width of described conductive layer (22) is less than the width of base material (23) Yu binding agent (24), and the upper part beyond conductive layer (22) of described binding agent (24) is filled by insulating barrier (21).
3. the anti-interference double-layer flat power line of one according to claim 1, it is characterized in that: described the first bus plane (221) and second source layer (222) are wrapped in inner side by binding agent (24) respectively, described conductive layer (22) outside is connected to reinforced insulation layer (25) by binding agent (24), described reinforced insulation layer (25) is positioned between insulating barrier (21) and conductive layer (22), and width is more than the width of conductive layer (22).
4. the anti-interference double-layer flat power line of one according to claim 1, it is characterised in that: it is provided with the strengthening part (26) that strengthening core is entwined in described insulating barrier (21).
5. the anti-interference double-layer flat power line of one according to claim 1, it is characterised in that: the described Copper Foil that conductive layer (22) is less than 175 μm or native silver or silver-plated Copper Foil or tin plating Copper Foil.
6. the anti-interference double-layer flat power line of one according to claim 1, it is characterised in that: the Europe superscript that GB two is inserted or bipod is round two that described plug (1) is bipod flat type is inserted.
7. the anti-interference double-layer flat power line of one according to claim 1, it is characterised in that: one end of described power supply lead wire (12) is slice conductor, is connected with conductive layer (22), and the other end is round wire, is connected with inserted sheet (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620086859.3U CN205355493U (en) | 2016-01-28 | 2016-01-28 | Flat power cord of anti -interference bilayer |
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| CN201620086859.3U CN205355493U (en) | 2016-01-28 | 2016-01-28 | Flat power cord of anti -interference bilayer |
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| CN205355493U true CN205355493U (en) | 2016-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514741A (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 power line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514741A (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 power line |
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