CN105469870A - Anti-common mode interference three-layer flat power line - Google Patents
Anti-common mode interference three-layer flat power line Download PDFInfo
- Publication number
- CN105469870A CN105469870A CN201610058651.5A CN201610058651A CN105469870A CN 105469870 A CN105469870 A CN 105469870A CN 201610058651 A CN201610058651 A CN 201610058651A CN 105469870 A CN105469870 A CN 105469870A
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- Prior art keywords
- layer
- conductive layer
- bus plane
- common mode
- flat
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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
- H01B7/17—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
- H01B7/02—Disposition of insulation
-
- 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
- H01B7/0869—Flat or ribbon cables comprising one or more armouring, tensile- or compression-resistant elements
Abstract
The invention discloses an anti-common mode interference three-layer flat power line comprising a plug and a flat cable. The flat cable comprises a base material; binding agent disposed on the upper side and the lower side of the base material; conductive layers, which are connected with the binding agent, and are used to transmit electric signals; and an insulation layer disposed on the outmost layer in a wrapped manner. Each of the conductive layers comprises a first power supply layer, a second power supply layer, and a third power supply layer, and the cross section of each of the power supply layers is in the shape of a slice. The plug comprises inserting sheets, which are connected with the conductive layers by power supply leads, and the second power supply layer is connected with a ground wire. The anti-common mode interference three-layer flat power line is advantageous in that the anti-interference technology effect can be achieved by forming the equivalent capacitance between the conductive layers; by adopting the simulated FPC structural design, the cable flattening in the real sense can be realized, and at the same time, the cable can be protected by the insulation layer, and the tensile performance can be realized by the reinforced parts, and therefore by comparing with the conventional power lines, the size of the cable is smaller, the thickness is thinner, and the anti-interference capability is stronger.
Description
Technical field
The present invention relates to power line field, particularly relate to a kind of anti-common mode disturbances three layers of flat power wire.
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.
In the middle of routine use, we often can use three and plug in power line, its three plugs connect live wire L, zero line N and ground wire PE respectively, zero line thinks the center line of three-phase electricity, interference between zero line and live wire is called " differential mode interference ", " differential mode interference " also refers to the interference voltage acted between signal anode and negative terminal, and this interference is carried on useful signal, directly affects the precision of Measurement & Control; Interference between live wire and ground wire is called " common mode disturbances ", this is owing to there is potential difference between cable and the earth, make cable has common mode current, if equipment produces common mode current on its cable, cable can produce strong electromagnetic radiation, electromagnetic interference is produced to electronics, electric product components and parts, affects the performance index of product; In order to avoid the impact of " differential mode interference " and " common mode disturbances ", people need to increase some designs and suppress " differential mode interference " and " common mode disturbances ", 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 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 power wire often adopted, flat power wire typically refers to electric wire flattening, this is due to when plug is consistent, flat cable 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, the power line configuring this type of flat cable is not suitable in narrow space.
Therefore, be necessary to design the anti-conducted interference of a kind of energy and thickness thinner three insert flat power wires.
Summary of the invention
The present invention provides a kind of anti-common mode disturbances three layers of flat power wire for solving the problem; by the first bus plane, the equivalent capacity that formed between second source layer and the 3rd bus plane; achieve the technique effect of anti-conducted interference; the structural design of imitative FPC; the thickness of cable is made to enter micron dimension; achieve cable flattening truly; simultaneously by dielectric protection layer cable; tension is realized by strengthening part; make this power line compared to power line 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-common mode disturbances three layers of flat power wire, comprise plug and flat cable, described flat cable comprises base material, be positioned at the adhesive of the upper and lower both sides of base material, be connected with adhesive and be used for transmission of electric signals conductive layer and be wrapped in outermost insulating barrier, it is laminar first bus plane that described conductive layer comprises cross section, second source layer and the 3rd bus plane, the first described bus plane, second source layer, 3rd bus plane is parallel to each other, described plug comprises inserted sheet, described inserted sheet is connected with conductive layer by power supply lead wire, described second source layer is between the first bus plane and the 3rd bus plane, and be connected with ground wire.
Further, the width of described conductive layer is less than the width of base material and adhesive, and the part described adhesive exceeding conductive layer is filled by insulating barrier.
Further, the first described bus plane, second source layer and the 3rd bus plane are wrapped in inner side by the adhesive of upper and lower both sides respectively, the outside of the first described bus plane, the 3rd bus plane is connected with reinforced insulation layer by adhesive, the both sides of described second source layer are connected with base material by adhesive, described reinforced insulation layer is between insulating barrier and conductive layer, and width is greater than the width of conductive layer.
Further, the strengthening part that strengthening core is entwined is provided with in described insulating barrier.
Further, described conductive layer is the Copper Foil of less than 175 μm or silver foil or silver-plated Copper Foil or zinc-plated Copper Foil.
Further, described plug is that the GB three of three homalocephalus is inserted or the American Standard that Europe superscript three is inserted or a circle two is flat three English mark three that is slotting or three square toes the South Africa three that is slotting or three round ends of two round ends 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 invention has the beneficial effects as follows:
A kind of anti-common mode disturbances three layers of flat power wire, the stacked structure that FPC copied by cable 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 conductive layer is larger than the surface area of cylindrical conductive layer, and its heat-sinking capability significantly improves, and makes this power line safer in actual use; Three layers of conductive layer parallel construction is each other equivalent to multiple electric capacity, and the Y capacitance of formation can suppress common mode disturbances, and indirectly suppresses differential mode interference, achieves the technique effect of anti-conducted 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 to use the power line of this cable compared to power line 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, high to antijamming capability 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 structural representation of first embodiment of the invention;
Fig. 2 is the partial cutaway schematic view of first embodiment of the invention;
Fig. 3 is the cross sectional representation of flat cable in first embodiment of the invention;
Fig. 4 is the equivalent circuit diagram of first embodiment of the invention;
Fig. 5 is the sample table of flat cable the selection of material parameter and electrical quantity in first embodiment of the invention;
Fig. 6 is the sample table of flat cable the selection of material parameter and thickness in first embodiment of the invention;
Fig. 7 is the cross sectional representation of flat cable in second embodiment of the invention;
Fig. 8 is the cross sectional representation of flat cable in third embodiment of the invention;
Fig. 9 is the cross sectional representation of flat cable in fourth embodiment of the invention;
Figure 10 is the structural representation of fifth embodiment of the invention;
Figure 11 is the structural representation of sixth embodiment of the invention;
Figure 12 is the structural representation of seventh embodiment of the invention.
Wherein, plug 1, inserted sheet 11, power supply lead wire 12, flat cable 2, insulating barrier 21, conductive layer 22, first bus plane 221, second source layer 222, the 3rd bus plane 223, base material 23, adhesive 24, reinforced insulation layer 25, strengthening part 26, C
1-C
2it is equivalent capacity.
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-Figure 12, a kind of anti-common mode disturbances three layers of flat power wire, comprise plug 1 and flat cable 2, described flat cable 2 comprises base material 23, be positioned at the adhesive 24 of base material about 23 both sides, be connected with adhesive 24 and be used for transmission of electric signals conductive layer 22 and be wrapped in outermost insulating barrier 21, it is laminar first bus plane 221 that described conductive layer 22 comprises cross section, second source layer 222 and the 3rd bus plane 223, the first described bus plane 221, second source layer 222, 3rd bus plane 223 is parallel to each other, described plug 1 comprises inserted sheet 11, described inserted sheet 11 is connected with conductive layer 22 by power supply lead wire 12, described second source layer 222 is between the first bus plane 221 and the 3rd bus plane 223, and be connected with ground wire.
Further, the width of described conductive layer 22 is less than the width of base material 23 and adhesive 24, and the part described adhesive 24 exceeding conductive layer 22 is filled by insulating barrier 21.
Further, the first described bus plane 221, second source layer 222 and the 3rd bus plane 223 are wrapped in inner side by the adhesive 24 of upper and lower both sides respectively, the first described bus plane 221, the outside of the 3rd bus plane 223 are connected with reinforced insulation layer 25 by adhesive 24, the both sides of described second source layer 222 are connected with base material 23 by adhesive 24, described reinforced insulation layer 25 is between insulating barrier 21 and conductive layer 22, and width is greater than the width of conductive layer 22.
Further, the strengthening part 26 that strengthening core is entwined is provided with in described insulating barrier 21.
Further, described conductive layer 22 is the Copper Foil of less than 175 μm or silver foil or silver-plated Copper Foil or zinc-plated Copper Foil.
Further, described plug 1 is that the GB three of three homalocephalus is inserted or the American Standard that Europe superscript three is inserted or a circle two is flat three English mark three that is slotting or three square toes the South Africa three that is slotting or three round ends of two round ends 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
Shown in first embodiment of the invention composition graphs 1 and Fig. 2, a kind of anti-common mode disturbances three layers of flat power wire, plug 1 uses the GB three of three homalocephalus to insert, namely plug 1 there is the inserted sheet 11 of three 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, achieves the function of transmission 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 outside exposed, the power supply lead wire 12 of round wire is welded on conductive layer 22, simultaneously, with the first bus plane 221, two articles of power supply lead wires 12 that 3rd bus plane 223 connects respectively are drawn toward rightabout, second source layer 222 is toward third side to extraction, with the short circuit phenomenon avoiding power supply lead wire 12 to contact with each other caused because of hypotelorism, one end of power supply lead wire 12 fries batter in a thin layer conductor in an alternative embodiment, corresponding with laminar conductive layer 22, the other end can make round wire, be connected with inserted sheet 11.
In first embodiment of the invention, the cross section of flat cable 2 as shown in Figure 3, because this flat cable 2 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 2, wherein, structure is from top to bottom: insulating barrier 21, first bus plane 221, adhesive 24, base material 23, adhesive 24, second source layer 222, adhesive 24, base material 23, adhesive 24, 3rd bus plane 223 and insulating barrier 21, first bus plane 221, second source layer 222, 3rd bus plane 223 is parallel to each other, and width is all less than the width of base material 23 and adhesive 24, simultaneously, this insulating barrier 21 adopts PVC plastic, this base material 23 adopts PI plastic material, conductive layer 22 adopts Copper Foil.
Conductive layer 22 connects inserted sheet 11 by power supply lead wire 12, during second source layer 222 earth connection PE, its equivalent circuit diagram as shown in Figure 4, its equivalent resistance C
1, equivalent resistance C
2for Y capacitance, because the first bus plane 221, second source layer 222, the 3rd bus plane 223 are parallel to each other, so equivalent capacity C
1-C
2be 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, and D is the distance between pole plate, in this embodiment, ε is the dielectric constant of medium between adjacent conductive layer 22, and S is the area of the first bus plane 221 or second source layer 222 or the 3rd bus plane 223, and D is the distance between adjacent conductive layer 22.
As shown in Figure 5, wherein vacuum absolute dielectric constant ε
o=8.854187817 × 10
-12f/m, base material 23 gets ε with the relative dielectric constant of adhesive 24
r=3, the parameter of adhesive 24 be two layers of adhesive 24 and value, equivalent capacity C
1-C
2capacitance consistent, due to C
1, C
2totally two Y capacitance, so its anti-common mode disturbances ability is stronger, simultaneously two Y capacitance stabilize the voltage waveform between live wire L and ground wire PE, between zero line N and ground wire PE respectively, thus the voltage waveform of indirect stabilization between live wire L and zero line N, serve the effect of anti-differential mode interference, but a capacitance equivalence there is C
1or C
2half, so robust mould interference performance is more weak; Base material 23 adopts PI plastic material, and its withstand voltage radix is 275KV/mm, because withstand voltage is main relevant to base material 23, therefore meets different cable voltage standards by the thickness changing 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, 24, adhesive is between 12.5 μm ~ 100 μm, so when adopting the first embodiment, when not comprising insulating barrier 21, its thickness specification is between 127.5 μm ~ 860 μm, wherein, sequence number conventional in the market 1., 2. the thickness of two kinds of structures is respectively 127.5 μm, 235 μm, , its thickness is less than the cable inner core thickness of current circular configuration.
The first embodiment that composition graphs 1-Fig. 6 obtains, this flat cable 2 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 2 is greater than the width of round cable, therefore the area of dissipation of flat cable 2 is greater 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 stronger, by electric current higher, thus make the use of this power line safer.
In second embodiment of the invention, the cross section of flat cable 2 as shown in Figure 7, on the basis of the first embodiment, conductive layer 22 is connected with reinforced insulation layer 25 by adhesive 24, namely adhesive 24 and reinforced insulation layer 25 is all connected with in the outside of the first bus plane 221 and the 3rd bus plane 223, the vacancy of conductive layer 22 both sides is also filled with adhesive 24, first bus plane 221 and the 3rd bus plane 223 are wrapped in inner side by the adhesive 24 of upper and lower both sides respectively, the thickness specification of reinforced insulation layer 25 common are 12.5 μm, 25 μm, 50 μm three kinds, the basis of the first embodiment adds two layers of adhesive 24 and reinforced insulation layer 25, its gross thickness numerical value is between 177.5 μm ~ 1160 μm, by sequence number in Fig. 6 1., 2. two kinds of structures increase by 12.5 μm respectively, the reinforced insulation layer 25 of 25 μm, its thickness 177.5 μm respectively, 325 μm, still be less than the cable inner core thickness of current circular configuration.
In third embodiment of the invention, the cross section of flat cable 2 as shown in Figure 8, on the basis of the first embodiment, the strengthening part 26 that many strengthening cores are entwined is provided with in insulating barrier 21, this strengthening part 26 has eight, up and down each four evenly distributed, strengthening part 26 for being filled in insulating barrier 21, therefore does not increase integral thickness, with the consistency of thickness of the first embodiment.
In fourth embodiment of the invention, the cross section of flat cable 2 as shown in Figure 9, on the basis of the second embodiment, the strengthening part 26 that many strengthening cores are entwined is provided with in insulating barrier 21, this strengthening part 26 has eight, up and down each four evenly distributed, strengthening part 26 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 structural representation of fifth embodiment of the invention, and the American Standard three that plug 1 uses a circle two flat is inserted, and namely plug 1 has the inserted sheet 11 of two pieces of flat type and a round end.
Figure 11 is the structural representation of sixth embodiment of the invention, and plug 1 uses the Europe superscript three of two round ends to insert, and namely plug 1 has the inserted sheet 11 of two round ends, also has a jack.
Figure 12 is the structural representation of seventh embodiment of the invention, and plug 1 uses the English mark three of three square toes to insert, and namely plug 1 has the inserted sheet 11 of three pieces of squares.
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 (7)
1. kind of anti-common mode disturbances three layers of flat power wire, comprise plug (1) and flat cable (2), it is characterized in that: described flat cable (2) comprises base material (23), be positioned at the adhesive (24) of the upper and lower both sides of base material (23), be connected with adhesive (24) and be used for transmission of electric signals conductive layer (22) and be wrapped in outermost insulating barrier (21), it is laminar first bus plane (221) that described conductive layer (22) comprises cross section, second source layer (222) and the 3rd bus plane (223), described the first bus plane (221), second source layer (222), 3rd bus plane (223) is parallel to each other, described plug (1) comprises inserted sheet (11), described inserted sheet (11) is connected with conductive layer (22) by power supply lead wire (12), described second source layer (222) is positioned between the first bus plane (221) and the 3rd bus plane (223), and be connected with ground wire.
2. the anti-common mode disturbances of one according to claim 1 three layers of flat power wire, it is characterized in that: the width of described conductive layer (22) is less than the width of base material (23) and adhesive (24), and the part described adhesive (24) exceeding conductive layer (22) is filled by insulating barrier (21).
3. the anti-common mode disturbances of one according to claim 1 three layers of flat power wire, it is characterized in that: described the first bus plane (221), second source layer (222) and the 3rd bus plane (223) are wrapped in inner side by the adhesive of upper and lower both sides (24) respectively, described the first bus plane (221), the outside of the 3rd bus plane (223) is connected with reinforced insulation layer (25) by adhesive (24), the both sides of described second source layer (222) are connected with base material (23) by adhesive (24), described reinforced insulation layer (25) is positioned between insulating barrier (21) and conductive layer (22), and width is greater than the width of conductive layer (22).
4. the anti-common mode disturbances of one according to claim 1 three layers of flat power wire, is characterized in that: be provided with the strengthening part (26) that strengthening core is entwined in described insulating barrier (21).
5. the anti-common mode disturbances of one according to claim 1 three layers of flat power wire, is characterized in that: described conductive layer (22) is the Copper Foil of less than 175 μm or silver foil or silver-plated Copper Foil or zinc-plated Copper Foil.
6. the anti-common mode disturbances of one according to claim 1 three layers of flat power wire, is characterized in that: described plug (1) is that the GB three of three homalocephalus is inserted or the American Standard that Europe superscript three is inserted or a circle two is flat three English mark three that is slotting or three square toes the South Africa three that is slotting or three round ends of two round ends is inserted.
7. the anti-common mode disturbances of one according to claim 1 three layers of flat power wire, it is characterized in that: one end of described power supply lead wire (12) is slice conductor, be connected with conductive layer (22), the other end is round wire, is connected with inserted sheet (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058651.5A CN105469870A (en) | 2016-01-28 | 2016-01-28 | Anti-common mode interference three-layer flat power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058651.5A CN105469870A (en) | 2016-01-28 | 2016-01-28 | Anti-common mode interference three-layer flat power line |
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| Publication Number | Publication Date |
|---|---|
| CN105469870A true CN105469870A (en) | 2016-04-06 |
Family
ID=55607484
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610058651.5A Pending CN105469870A (en) | 2016-01-28 | 2016-01-28 | Anti-common mode interference three-layer flat power line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538453A (en) * | 2018-05-17 | 2018-09-14 | 李大才 | A kind of Novel power cord and production technology based on winding displacement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5480327A (en) * | 1994-05-24 | 1996-01-02 | The Whitaker Corporation | Electrical connector for 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 |
| CN203300916U (en) * | 2013-09-26 | 2013-11-20 | 常州纺织服装职业技术学院 | Tape type portable power strip device |
| CN204066795U (en) * | 2014-09-27 | 2014-12-31 | 沈健龙 | A kind of jamming-proof flat cable |
-
2016
- 2016-01-28 CN CN201610058651.5A patent/CN105469870A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5480327A (en) * | 1994-05-24 | 1996-01-02 | The Whitaker Corporation | Electrical connector for 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 |
| CN203300916U (en) * | 2013-09-26 | 2013-11-20 | 常州纺织服装职业技术学院 | Tape type portable power strip device |
| CN204066795U (en) * | 2014-09-27 | 2014-12-31 | 沈健龙 | A kind of jamming-proof flat cable |
Non-Patent Citations (1)
| Title |
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| 赵金奎: "共模干扰和差模干扰及其抑制技术", 《电子质量》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538453A (en) * | 2018-05-17 | 2018-09-14 | 李大才 | A kind of Novel power cord and production technology based on winding displacement |
| CN108538453B (en) * | 2018-05-17 | 2020-04-10 | 李大才 | Novel power cord based on winding displacement |
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Application publication date: 20160406 |
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