CN103809004B - A kind of high-accuracy soft voltage transformer (VT) and preparation method thereof - Google Patents
A kind of high-accuracy soft voltage transformer (VT) and preparation method thereof Download PDFInfo
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- CN103809004B CN103809004B CN201410040937.1A CN201410040937A CN103809004B CN 103809004 B CN103809004 B CN 103809004B CN 201410040937 A CN201410040937 A CN 201410040937A CN 103809004 B CN103809004 B CN 103809004B
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Abstract
A kind of high-accuracy soft voltage transformer (VT), it is provided with locating slot on soft dress bar, first line, second circuit, tertiary circuit, 4th circuit is separately positioned in mounting groove, first line and tertiary circuit are symmetrical arranged relative to soft dress bar, second circuit and the 4th circuit are symmetrical arranged relative to soft dress article, first line, second circuit, tertiary circuit, 4th circuit is the copper cash of the inclination be arranged on FPC, FPC medial surface corresponds to copper cash two ends and be respectively equipped with crimping solder joint, crimping solder joint is connected with corresponding copper cash, crimping solder joint on first line and the second circuit is crimped together, the copper cash on first line and the second circuit is made to form a circuit coil, crimping solder joint on tertiary circuit and the 4th circuit is crimped together, the copper cash on tertiary circuit and the 4th circuit is made to form a circuit coil, first line and tertiary circuit termination are respectively equipped with one and enter line interface, second circuit and the 4th circuit termination are respectively equipped with an outlet interface.
Description
Technical field
The present invention discloses a kind of voltage transformer (VT), particularly a kind of high-accuracy soft voltage transformer (VT) and preparation method thereof.
Background technology
In ac voltage measurement technology, for the sampling mode of voltage, method conventional is at present resistance sampling, transformation mutual inductor samples and Hall voltage sensor samples three kinds of modes.At present, transformation mutual inductor of the prior art is normally made up of case material three part of high permeability material (as siliconized plate), primary coil, secondary coil and tape insulation.There is following problem in it: 1, coil coiling skewness, elasticity in winding process is inconsistent, thus easily causes nonlinear blind point tolerance, and performance is inconsistent, and precision is inconsistent.2, voltage transformer (VT) overall volume is large, takes up room large.3, form is fixed, relevant product design and the flexible space of engineering inadequate, can not to thin, little, profiled square to the imagination.
Summary of the invention
For the coil winding problem that the above-mentioned AC voltage transformer of the prior art mentioned exists, the invention provides a kind of high-accuracy soft voltage transformer (VT) structure, it is by FPC makes circuit, replaces the coil in conventional voltage transformer, solves the problem.
The technical scheme that the present invention solves the employing of its technical matters is: a kind of high-accuracy soft voltage transformer (VT), voltage transformer (VT) comprises first line, second circuit, tertiary circuit, 4th circuit and soft dress article, soft dress bar is provided with locating slot, first line, second circuit, tertiary circuit, 4th circuit is separately positioned in mounting groove, first line and tertiary circuit are symmetrical arranged relative to soft dress bar, second circuit and the 4th circuit are symmetrical arranged relative to soft dress article, first line, second circuit, tertiary circuit, 4th circuit is the copper cash of the inclination be arranged on FPC, FPC medial surface corresponds to copper cash two ends and be respectively equipped with crimping solder joint, crimping solder joint is connected with corresponding copper cash, crimping solder joint on first line and the second circuit is crimped together, the copper cash on first line and the second circuit is made to form a circuit coil, crimping solder joint on tertiary circuit and the 4th circuit is crimped together, the copper cash on tertiary circuit and the 4th circuit is made to form a circuit coil, first line and tertiary circuit termination are respectively equipped with one and enter line interface, second circuit and the 4th circuit termination are respectively equipped with an outlet interface.
A kind of method for making of high-accuracy soft voltage transformer (VT) described above, the method is on FPC, customize the copper cash of inclination as circuit, the circuit of upper and lower two-layer FPC is welded together by crimping solder joint, form a circuit coil, by customize copper cash thickness, move towards mode, i.e. the vergence direction of copper cash, the spacing between copper cash, the number of turn of copper cash and the ability by electric current is adjusted, to meet the needs of different parameters by the mode of these three parameters.
The technical scheme that the present invention solves the employing of its technical matters further comprises:
Described first line is arranged on a FPC, and the second circuit is arranged on the 2nd FPC, and tertiary circuit is arranged on the 3rd FPC, and the 4th circuit is arranged on the 4th FPC, and a FPC and the 3rd FPC is arranged side by side, and the 2nd FPC and the 4th FPC is arranged side by side.
Be provided with the first Alperm article below a described FPC and the 3rd FPC, above the 2nd FPC and the 4th FPC, be provided with the second Alperm article, outside the first Alperm bar and the second Alperm bar, be enclosed with insulating paper.
Described first line and the second circuit are separately positioned on a FPC, one FPC is provided with relatively independent first line district and the second line areas, tertiary circuit and the 4th circuit are separately positioned on the 2nd FPC, and the 2nd FPC is provided with relatively independent tertiary circuit district and the 4th line areas.
Be provided with the first Alperm article below a described FPC, above the 2nd FPC, be provided with the second Alperm article, outside the first Alperm bar and the second Alperm bar, be enclosed with insulating paper.
Described first line is arranged on a FPC, second circuit is arranged on the 2nd FPC, tertiary circuit is arranged on the 3rd FPC, 4th circuit is arranged on the 4th FPC, one FPC and the stacked setting of the 3rd FPC, one FPC is arranged on above the 3rd FPC, 2nd FPC and the stacked setting of the 4th FPC, 2nd FPC is arranged on below the 4th FPC, the width of the one FPC is wider than the width of the 3rd FPC, the width of the 2nd FPC is wider than the width of the 4th FPC, is provided with insulating paper, is provided with insulating paper between the 2nd FPC and the 4th FPC between a FPC and the 3rd FPC.
Be provided with the first Alperm article below the 3rd described FPC, above the 4th FPC, be provided with the second Alperm article, outside the first Alperm bar and the second Alperm bar, be enclosed with insulating paper.
Described soft dress bar having pilot hole, in pilot hole, being provided with the locating pin for being positioned by each layer assembled material.
Copper cash on described first line, the second circuit, tertiary circuit and the 4th circuit is arranged in parallel respectively.
Copper cash on described first line, the second circuit, tertiary circuit and the 4th circuit is evenly arranged respectively.
Described voltage transformer (VT) is multiple circles voltage transformer (VT), special-shaped voltage transformer (VT) or circular voltage transformer (VT).
Described method comprises the steps:
A, to get the raw materials ready: the FPC preparing to be attached with first line, the second circuit, tertiary circuit and the 4th circuit, and the first Alperm bar, insulating paper, locating pin, soft dress bar and the second Alperm bar;
B, coated: to adopt insulating paper to superscribe the first Alperm bar and the second Alperm bar;
C, assembling: FPC, the first Alperm article, insulating paper, the second Alperm article and the 2nd FPC are cascading in the locating slot of soft dress article;
D, pressing: by hot pressing mode, weld the crimping solder joint in first line and tertiary circuit, forms a circuit coil, by hot pressing mode, welded by the crimping solder joint on the second circuit and the 4th circuit, form another circuit coil;
E, shaping: by the curling voltage transformer (VT) in required form of strip material made.
The invention has the beneficial effects as follows: the frame mode that the invention provides a kind of soft deformable, its take up room little, use flexibly, applicable situation is wide in range, solve conventional voltage transformer (VT) body fix, large and cause use time flexibility ratio inadequate problem; The present invention is on flexible circuit material (FPC), and the distribution density between customizable copper cash thickness, copper cash trend, copper cash, carrys out alternative coiling copper coil, and solution coiling is uneven, and the problem that elasticity is inconsistent, improves precision and the consistency of performance of product.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one decomposing state structural representation.
Fig. 2 is that structural representation is faced in the embodiment of the present invention one general assembly.
Fig. 3 is the embodiment of the present invention one FPC Facad structure schematic diagram.
Fig. 4 is the embodiment of the present invention one FPC structure schematic diagram.
Fig. 5 is the embodiment of the present invention two decomposing state structural representation.
Fig. 6 is that structural representation is faced in the embodiment of the present invention two general assembly.
Fig. 7 is the embodiment of the present invention two FPC Facad structure schematic diagram.
Fig. 8 is the embodiment of the present invention two FPC structure schematic diagram.
Fig. 9 is the embodiment of the present invention three decomposing state structural representation.
Figure 10 is that structural representation is faced in the embodiment of the present invention three general assembly.
Figure 11 is soft dress bar structural representation in the present invention.
Figure 12 is Alperm bar structural representation in the present invention.
Figure 13 is dielectric paper structure schematic diagram in the present invention.
Figure 14 is embodiment three FPC Facad structure schematic diagram in the present invention.
Figure 15 is embodiment three FPC structure schematic diagram in the present invention.
Figure 16 is A partial enlargement structural representation in Figure 15.
Figure 17 is B partial enlargement structural representation in Figure 15.
Figure 18 is Finished Product Examples one perspective view of the present invention.
Figure 19 is Finished Product Examples two perspective view of the present invention.
Figure 20 is Finished Product Examples three perspective view of the present invention.
In figure, 1-the one FPC, 101-the 3rd FPC, 102-the 4th FPC, 103-first line district, 104-second line areas, 105-tertiary circuit district, 106-the 4th line areas, 2-first Alperm bar, 3-first insulating paper, 301-the 3rd insulating paper, 302-the 4th insulating paper, 4-locating pin, the soft dress bar of 5-, 6-second Alperm bar, 7-second insulating paper, 8-the 2nd FPC, 9-circuit, 10-crimps solder joint, 11-locating slot, 12-voltage transformer (VT).
Embodiment
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or approximate with basic structure, all within scope.
The present invention protects a kind of soft voltage transformer (VT), namely in a flexible material main body, is integrated with primary coil and secondary coil, and its concrete structure can be divided into following several concrete embodiment:
Embodiment one: please refer to accompanying drawing 1 to accompanying drawing 4 and accompanying drawing 11 to accompanying drawing 17, in the present embodiment, mainly comprise a FPC1, 3rd FPC101, first Alperm bar 2, first insulating paper 3, locating pin 4, soft dress bar 5, second Alperm bar 6, second insulating paper 7, 4th FPC102 and the 2nd FPC8, soft dress bar 5 is supporting construction of the present invention, for installation and the locating device of parts all in the present invention, in the present embodiment, soft dress bar 5 adopts silica gel, rubber, the flexible material of nylon-type is made, it himself is symmetrical structure, locating slot 11 is offered in the middle of soft dress bar 5, for placing and fixed installation Alperm bar use, simultaneously can also provide position and space for the placement of insulating paper and FPC and connection etc., soft dress bar 5 also can there is pilot hole, locating pin 4 is provided with in pilot hole, for the use that each layer assembled material is positioned.In the present embodiment, the first Alperm bar 2 and the second Alperm bar 6 can adopt ultra-thin alloy list structure, also can adopt Powdered high permeability material, are arranged in strip position, be filled with a sealing.First insulating paper 3 is wrapped in outside the first Alperm bar 2, and the second insulating paper 7 is wrapped in outside the second Alperm bar 6, makes to realize insulation between Alperm bar and FPC.
In the present embodiment, FPC is flexible circuit material, is commonly called as flexible circuit board, and existing market current techique, in the present embodiment, FPC customizes circuit, realizes the FPC meeting the present invention's use.In the present invention, because FPC is provided with upper and lower both sides, so one side outside the close product of FPC to be defined as the lateral surface of FPC, FPC one side in the middle of product is defined as the medial surface of FPC.In the present embodiment, one FPC1 and the 3rd FPC101 is arranged side by side, mutually insulated between one FPC1 and the 3rd FPC101, one FPC1 and the 3rd FPC101 is respectively equipped with one and enters line interface, in the present embodiment, the length of a FPC1 and the 3rd FPC101 and identical with the first Alperm articles 2; Equally, 2nd FPC8 and the 4th FPC102 is arranged side by side, mutually insulated between 2nd FPC8 and the 4th FPC102,2nd FPC81 and the 4th FPC102 is respectively equipped with an outlet interface, in the present embodiment, the length of the 2nd FPC8 and the 4th FPC102 and identical with the second Alperm articles 6, one FPC1 and the 2nd FPC8 is that mirror image is arranged, namely a FPC1 and the 2nd FPC8 is symmetrical arranged relative to soft dress article, 3rd FPC101 and the 4th FPC102 is that mirror image is arranged, and namely the 3rd FPC101 and the 4th FPC102 is symmetrical arranged relative to soft dress article.One FPC1, 2nd FPC8, 3rd FPC101 is identical with the 4th FPC102 structure, its lateral surface is printed with circuit 9, circuit 9 employing is obliquely installed and the copper cash be parallel to each other is formed, be uniformly distributed between each copper cash, silk-screen figure denote on the lateral surface of FPC, the number of turn of corresponding copper cash, the number of turn of coil can be calculated by figure denote, thus can clearly know coil winding how many numbers of turn, and two the tip position places corresponding to every bar circuit 9 are respectively equipped with a crimping solder joint 10, crimping solder joint 10 is electrically connected with corresponding circuit 9, in the present embodiment, crimping solder joint 10 corresponding on one FPC1 and the 2nd FPC8 is welded by hot pressing mode (this technology mode is current techique, be not described in detail at this), just define a circuit coil.In the present invention, by customize copper cash thickness, move towards mode (i.e. the vergence direction of copper cash), the spacing between copper cash, adjust the number of turn of copper cash and the ability by electric current, to meet the needs of different parameters by these three modes.
The present invention protects a kind of method for making of above-mentioned high-accuracy soft voltage transformer (VT) simultaneously, its core is, the copper cash be parallel to each other that customization is tilted on FPC is as circuit, the circuit of upper and lower two-layer FPC is welded together by crimping solder joint 10, form a circuit coil, in the present embodiment, when assembling, one FPC1 and the 2nd FPC8 and the 3rd FPC101 and the 4th FPC102 is loaded after fixing, the crimping solder joint 10 of the one FPC1 and the 2nd PFC2 and the 3rd FPC101 and the 4th FPC102 is staggered and (can move to left, also can move to right) copper cash, and aim at, make it that the circuit on a FPC1 and the 2nd PFC2 can be made to form one article of circuit coil, circuit on 3rd FPC101 and the 4th FPC102 forms one article of circuit coil.In the present invention, two one, loops are primary coil, and one is secondary coil, and in the present embodiment, the number of turn of two coils is identical.In the present invention, by customize copper cash thickness, move towards mode (i.e. the vergence direction of copper cash), spacing (distribution density namely between copper cash) between copper cash, adjusts the number of turn of copper cash and the ability by electric current, to meet the needs of different parameters by these three modes.
Method concrete steps in the present invention are:
1, get the raw materials ready: prepare a FPC1, the 3rd FPC101, the first Alperm bar the 2, first insulating paper 3, locating pin 4, soft dress article the 5, second Alperm bar the 6, second insulating paper 7, the 4th FPC102 and the 2nd FPC8, and customize circuit on a FPC1, the 3rd FPC101, the 4th FPC102 and the 2nd FPC8;
2, coated: to adopt the first insulating paper 3 to superscribe the first Alperm bar 2, the second insulating paper 7 is adopted to superscribe the second Alperm bar 6, in the present embodiment, insulating paper adopts two, wrap up the first Alperm bar 2 and the second Alperm bar 6 respectively, during concrete enforcement, also an insulating paper can be adopted, first Alperm bar 2 and the second Alperm bar 6 are wrapped up, as long as ensure the first Alperm articles 2 and the second Alperm articles 6 and FPC1, the 3rd FPC101, insulate between the 4th FPC102 and the 2nd FPC8;
3, assemble: a FPC1 and the 3rd FPC101, the first Alperm bar 2, first insulating paper 3, second Alperm bar the 6, second insulating paper 7 and the 4th FPC102 and the 2nd FPC8 are cascading in the locating slot 11 of soft dress articles 5;
4, pressing: by hot pressing mode, welds the crimping solder joint 10 on a FPC1 and the 2nd FPC8, forms a circuit coil, and the crimping solder joint 10 on the 3rd FPC101 and the 4th FPC102 welds, and forms a circuit coil;
5, shaping: by the curling voltage transformer (VT) in required form of strip material made.
Embodiment two: incorporated by reference to referring to accompanying drawing 5 to accompanying drawing 8, the structure of the present embodiment is substantially the same with embodiment one, difference is only to be provided with upper and lower two FPC in the present embodiment, and a superincumbent FPC1 is provided with two line areas mutually completely cut off, be respectively first line district 103 and the second line areas 104, first line district 103 and the second line areas 104 are respectively equipped with one and enter line interface, the 2nd FPC8 is below provided with two mutually isolated line areas, be respectively tertiary circuit district 105 and the 4th line areas 106, tertiary circuit district 105 and the 4th line areas 106 are respectively equipped with an outlet interface, wherein, first line district 103 and tertiary circuit district 105 correspondence are arranged, crimping solder joint 10 above it welds, form a circuit coil, second line areas 104 and the 4th line areas 106 correspondence are arranged, crimping solder joint 10 above it welds, form a circuit coil.
The method for making of the present embodiment is substantially identical with embodiment one, repeats no more herein.
Embodiment three: please refer to accompanying drawing 9 to accompanying drawing 17, structure in the present embodiment is substantially the same with embodiment one, difference is, a FPC1 in the present embodiment and the stacked setting of the 3rd FPC101, its length and the first Alperm bar 2 same length, 2nd FPC8 and the stacked setting of the 4th FPC102, its length and the second Alperm bar 6 same length, wherein, 3rd FPC101 and the 4th FPC102 correspondence is arranged, in the present embodiment, 3rd FPC101 and the 4th FPC102 is that mirror image is arranged, namely the 3rd FPC101 and the 4th FPC102 is symmetrical arranged relative to soft dress articles 5, one FPC1 and the 2nd FPC8 correspondence is arranged, in the present embodiment, one FPC1 and the 2nd FPC8 is that mirror image is arranged, namely a FPC1 and the 2nd FPC8 is symmetrical arranged relative to soft dress articles 5.In the present embodiment, the width of the one FPC1 and the 2nd FPC8 is wider than the 3rd FPC101 and the 4th FPC102, namely the crimping solder joint 10 on a FPC1 and the 2nd FPC8 is arranged on outside the 3rd FPC101 and the 4th FPC102, crimping solder joint 10 on one FPC1 and the 2nd FPC8 welds together outside the 3rd FPC101 and the 4th FPC102, forms a circuit coil.In the present embodiment, be provided with between a FPC1 and the 3rd FPC101 between the 3rd insulating paper the 301, four FPC102 and the 2nd FPC8 and be provided with the 4th insulating paper 302, to insulate between two-layer FPC.
The method for making of the present embodiment is substantially identical with embodiment one, repeats no more herein.
The rollable multi-turn of voltage transformer (VT) in the present invention, form multiple circles voltage transformer (VT) (please refer to accompanying drawing 10), or arrange in irregularly shaped, form special-shaped voltage transformer (VT) (please refer to accompanying drawing 11), or arrange rounded, form circular voltage transformer (VT) (please refer to accompanying drawing 12).
In the present embodiment, high permeability material can adopt high magnetic conduction powder, by strip make into bag-shaped, by high permeability material sealing wherein.
The invention provides a kind of frame mode of soft deformable, its take up room little, use flexibly, applicable situation is wide in range, solve conventional voltage transformer (VT) body fix, large and cause use time flexibility ratio inadequate problem; The present invention is on flexible circuit material (FPC), and the distribution density between customizable copper cash thickness, copper cash trend, copper cash, carrys out alternative coiling copper coil, and solution coiling is uneven, and the problem that elasticity is inconsistent, improves precision and the consistency of performance of product.
Claims (10)
1. a high-accuracy soft voltage transformer (VT), it is characterized in that: described voltage transformer (VT) comprises first line, second circuit, tertiary circuit, 4th circuit and soft dress article, soft dress bar is provided with locating slot, first line, second circuit, tertiary circuit, 4th circuit is separately positioned in locating slot, first line and tertiary circuit are symmetrical arranged relative to soft dress bar, second circuit and the 4th circuit are symmetrical arranged relative to soft dress article, first line, second circuit, tertiary circuit, 4th circuit is the copper cash of the inclination be arranged on FPC, FPC medial surface corresponds to copper cash two ends and be respectively equipped with crimping solder joint, crimping solder joint is connected with corresponding copper cash, crimping solder joint on first line and the second circuit is crimped together, the copper cash on first line and the second circuit is made to form a circuit coil, crimping solder joint on tertiary circuit and the 4th circuit is crimped together, the copper cash on tertiary circuit and the 4th circuit is made to form a circuit coil, first line and tertiary circuit termination are respectively equipped with one and enter line interface, second circuit and the 4th circuit termination are respectively equipped with an outlet interface.
2. high-accuracy soft voltage transformer (VT) according to claim 1, it is characterized in that: described first line is arranged on a FPC, second circuit is arranged on the 2nd FPC, tertiary circuit is arranged on the 3rd FPC, 4th circuit is arranged on the 4th FPC, one FPC and the 3rd FPC is arranged side by side, and the 2nd FPC and the 4th FPC is arranged side by side.
3. high-accuracy soft voltage transformer (VT) according to claim 2, it is characterized in that: below a described FPC and the 3rd FPC, be provided with the first Alperm article, be provided with the second Alperm article above 2nd FPC and the 4th FPC, outside the first Alperm bar and the second Alperm bar, be enclosed with insulating paper.
4. high-accuracy soft voltage transformer (VT) according to claim 1, it is characterized in that: described first line and the second circuit are separately positioned on a FPC, one FPC is provided with relatively independent first line district and the second line areas, tertiary circuit and the 4th circuit are separately positioned on the 2nd FPC, and the 2nd FPC is provided with relatively independent tertiary circuit district and the 4th line areas.
5. high-accuracy soft voltage transformer (VT) according to claim 4, it is characterized in that: below a described FPC, be provided with the first Alperm article, be provided with the second Alperm article above 2nd FPC, outside the first Alperm bar and the second Alperm bar, be enclosed with insulating paper.
6. high-accuracy soft voltage transformer (VT) according to claim 1, it is characterized in that: described first line is arranged on a FPC, second circuit is arranged on the 2nd FPC, tertiary circuit is arranged on the 3rd FPC, 4th circuit is arranged on the 4th FPC, one FPC and the stacked setting of the 3rd FPC, one FPC is arranged on above the 3rd FPC, 2nd FPC and the stacked setting of the 4th FPC, 2nd FPC is arranged on below the 4th FPC, the width of the one FPC is wider than the width of the 3rd FPC, the width of the 2nd FPC is wider than the width of the 4th FPC, insulating paper is provided with between one FPC and the 3rd FPC, insulating paper is provided with between 2nd FPC and the 4th FPC.
7. high-accuracy soft voltage transformer (VT) according to claim 6, it is characterized in that: below the 3rd described FPC, be provided with the first Alperm article, be provided with the second Alperm article above 4th FPC, outside the first Alperm bar and the second Alperm bar, be enclosed with insulating paper.
8. high-accuracy soft voltage transformer (VT) as claimed in any of claims 1 to 7, is characterized in that: described soft dress bar having pilot hole, being provided with the locating pin for being positioned by each layer assembled material in pilot hole.
9. the method for making of a high-accuracy soft voltage transformer (VT) as claimed in any of claims 1 to 8 in one of claims, it is characterized in that: described method is on FPC, customize the copper cash of inclination as circuit, the circuit of upper and lower two-layer FPC is welded together by crimping solder joint, form a circuit coil, by the customization thickness of copper cash, spacing between the vergence direction of copper cash and copper cash, the number of turn of copper cash and the ability by electric current is adjusted, to meet the needs of different parameters by the mode of these three parameters.
10. method for making according to claim 9, is characterized in that: described method comprises the steps:
A, to get the raw materials ready: the FPC preparing to be attached with first line, the second circuit, tertiary circuit and the 4th circuit, and the first Alperm bar, insulating paper, locating pin, soft dress bar and the second Alperm bar;
B, coated: to adopt insulating paper to superscribe the first Alperm bar and the second Alperm bar;
C, assembling: FPC, the first Alperm article, insulating paper, the second Alperm article and the 2nd FPC are cascading in the locating slot of soft dress article;
D, pressing: by hot pressing mode, weld the crimping solder joint in first line and tertiary circuit, forms a circuit coil, by hot pressing mode, welded by the crimping solder joint on the second circuit and the 4th circuit, form another circuit coil;
E, shaping: by the curling voltage transformer (VT) in required form of strip material made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410040937.1A CN103809004B (en) | 2014-01-27 | 2014-01-27 | A kind of high-accuracy soft voltage transformer (VT) and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410040937.1A CN103809004B (en) | 2014-01-27 | 2014-01-27 | A kind of high-accuracy soft voltage transformer (VT) and preparation method thereof |
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| CN103809004A CN103809004A (en) | 2014-05-21 |
| CN103809004B true CN103809004B (en) | 2016-04-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19740428C2 (en) * | 1997-09-10 | 2001-03-08 | Siemens Ag | Annular coil with circular winding cross-section and process for its production |
| CN202258626U (en) * | 2011-09-30 | 2012-05-30 | 河南电力试验研究院 | Novel combined PCB Rogowski coil |
| CN202749218U (en) * | 2012-09-24 | 2013-02-20 | 哈尔滨理工大学 | Current transformer based on PCB (printed circuit board)-type Rogowski coil |
| CN202796412U (en) * | 2012-07-03 | 2013-03-13 | 深圳市创银科技股份有限公司 | Flexibility coil current transformer |
-
2014
- 2014-01-27 CN CN201410040937.1A patent/CN103809004B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19740428C2 (en) * | 1997-09-10 | 2001-03-08 | Siemens Ag | Annular coil with circular winding cross-section and process for its production |
| CN202258626U (en) * | 2011-09-30 | 2012-05-30 | 河南电力试验研究院 | Novel combined PCB Rogowski coil |
| CN202796412U (en) * | 2012-07-03 | 2013-03-13 | 深圳市创银科技股份有限公司 | Flexibility coil current transformer |
| CN202749218U (en) * | 2012-09-24 | 2013-02-20 | 哈尔滨理工大学 | Current transformer based on PCB (printed circuit board)-type Rogowski coil |
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| CN103809004A (en) | 2014-05-21 |
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Effective date of registration: 20200908 Address after: 518106 301, building 126, 7th Industrial Zone, mashantou community, Matian street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen flexible magnetoelectric Technology Co., Ltd Address before: 518000 Shenzhen, Guangdong Province, Baoan District Province, Xixiang big benefit Plaza 1, 5, 7D Patentee before: Dong Youyun |