CN211654549U - Stranded wire parallel winding coil and network transformer - Google Patents
Stranded wire parallel winding coil and network transformer Download PDFInfo
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- CN211654549U CN211654549U CN202020606947.8U CN202020606947U CN211654549U CN 211654549 U CN211654549 U CN 211654549U CN 202020606947 U CN202020606947 U CN 202020606947U CN 211654549 U CN211654549 U CN 211654549U
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Abstract
The utility model discloses a stranded wire parallel winding coil and network transformer, stranded wire parallel winding coil include first magnetic core, second magnetic core and first strand line, and the first strand line includes that first enameled wire and at least two strands of enameled wires of second enameled wire are twisted and form, and first strand line includes the middle part section, lies in the tip section at both ends and lies in the middle part section between middle part section and the tip section; the middle section of the first stranded wire is of a first enameled wire and second enameled wire stranded connection structure, serves as a first winding structure, and is wound and connected with the first magnetic core; the two middle end sections of the first twisted wire are formed by twisting one end of the head of the first enameled wire and one end of the tail of the second enameled wire, one end of the tail of the first enameled wire and one end of the head of the second enameled wire are twisted and connected to form a second winding structure with two strands of twisted wires, and the two strands of twisted wires are wound and connected with a second magnetic core in a parallel winding mode. The utility model provides a problem of prior art unable mechanical threading.
Description
Technical Field
The utility model belongs to the technical field of the coil wire winding, concretely relates to parallel winding coil of stranded conductor and network transformer.
Background
Fig. 1 shows a winding structure of a conventional network filter:
t1 and T2 denote primary and secondary coils;
j denotes a gold-colored enamel wire, J1 denotes one end portion of the gold-colored enamel wire, and J2 denotes the other end portion of the gold-colored enamel wire;
l denotes a green enamel wire, L1 denotes one end portion of the green enamel wire, and L2 denotes the other end portion of the green enamel wire;
h denotes a red enameled wire, H1 denotes one end portion of the red enameled wire, and H2 denotes the other end portion of the red enameled wire;
n denotes a blue enamel wire, N1 denotes one end portion of the blue enamel wire, and N2 denotes the other end portion of the blue enamel wire;
the winding of the secondary coil of the existing network transformer coil is to wind two strands of enameled wires (H and N) wound on a primary coil, wind and connect the head end (N1) of a first enameled wire and the tail end (H2) of a second enameled wire to form a stranded wire, and wind the stranded wire, the tail end of the first enameled wire and the head end of the second enameled wire on a magnetic core of the secondary coil in parallel, so that the problem of twisting two enameled wires of four enameled wires without twisting the other two enameled wires is involved in the middle.
Because the technical limitation of the existing winding equipment cannot simultaneously complete the process of twisting two enameled wires of the four enameled wires and not twisting the other two enameled wires, the winding process of the secondary coil can only be operated by using a manual crochet hook, the efficiency is low, the cost is high, and the manual loop threading is easy to thread singly, so that the electrical characteristic is poor; and the coupling effect of the winding structure is poor, so that the high-frequency S parameter is easy to exceed the specification, and the EMI test effect of the whole client is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at can't realize the difficult problem up to standard of automatic machinery wire winding and electrical property to current secondary coil's wire winding structure, provide a parallel winding coil of stranded conductor and network transformer, can realize automatic machinery threading, efficiency is showing and is improving, and the coil of this structure, and the coupling effect is better, has effectively solved the not good problem of electrical property.
In order to realize the purpose, the utility model discloses a technical scheme be:
a stranded wire parallel winding coil comprises a first magnetic core, a second magnetic core and a first stranded wire, wherein the first stranded wire comprises at least two strands of enameled wires of a first enameled wire and a second enameled wire which are stranded, and the first stranded wire comprises a middle section, end sections positioned at two ends and a middle end section positioned between the middle section and the end sections;
the middle section of the first stranded wire is of a first enameled wire and second enameled wire stranded connection structure, serves as a first winding structure, and is wound and connected with the first magnetic core;
the two middle end sections of the first twisted wire are formed by twisting one end of the head of the first enameled wire and one end of the tail of the second enameled wire, one end of the tail of the first enameled wire and one end of the head of the second enameled wire are twisted and connected to form a second winding structure with two twisted wires, and the two twisted wires are wound and connected with a second magnetic core in a parallel winding mode.
Optionally, the end section of the first twisted wire is formed by twisting one end of the head of the first enameled wire and one end of the tail of the second enameled wire, so as to form a center tapped wire of the secondary coil, and the center tapped wire, one end of the tail of the first enameled wire and one end of the head of the second enameled wire form an output end of the secondary coil.
Optionally, the end section of the first twisted wire is formed by twisting one end of the head of the second enameled wire and one end of the tail of the first enameled wire, so as to form a center tapped wire of the secondary coil, and the center tapped wire, one end of the tail of the second enameled wire and one end of the head of the first enameled wire together form an output end of the secondary coil.
Optionally, the winding structure further comprises a second twisted wire, the second twisted wire comprises at least two strands of enameled wires, and the first winding structure is formed by connecting multiple wires of at least four strands of enameled wires at the middle position of the first twisted wire and the middle position of the second twisted wire in a twisted manner.
Optionally, the first twisted wire and the second twisted wire are composed of enameled wires with different colors.
A network transformer comprising a stranded parallel wound coil as claimed in any preceding claim.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a twine in the second winding structure of second magnetic core, what adopt is the middle-end section of first strand line, adopt at least two sets of strandwires to twine on the second magnetic core with the mode of winding parallelly, consequently, formed the parallel winding structural style (namely E-F, E-F) of at least two sets of strandwires at this position, the winding structure of this form, can utilize current spooling equipment to realize, so solved the problem that artifical threading brought, threading efficiency improves greatly, the threading defective rate greatly reduces; meanwhile, the winding structure of the two groups of twisted wires which are wound in parallel is adopted on the second magnetic core, compared with the parallel winding structure in the prior art, the coupling effect is obviously improved, and the problem that the S parameter exceeds the specification is greatly improved.
Drawings
FIG. 1 is a simplified diagram of a prior art network transformer coil configuration;
fig. 2 is a state diagram of the present invention before the first stranded wire is wound around the first magnetic core;
fig. 3 is a state diagram of the present invention after the first stranded wire is wound around the first magnetic core;
FIG. 4 is a state diagram of the first twisted wire after twisting by the second winding structure of the present invention;
fig. 5 is a schematic structural view of the long and short wire winding coil according to the present invention.
Reference numerals:
100-first strand, 110-middle section, 120-middle end section, 130-end section;
f is the first enameled wire of the first stranded wire, F1 is the head of the first enameled wire of the first stranded wire, and F2 is the tail of the first enameled wire of the first stranded wire;
e-the second enameled wire of the first twisted wire, E1-the head of the second enameled wire of the first twisted wire, E2-the tail of the second enameled wire of the first twisted wire;
x-the first enameled wire of the second stranded wire, X1-the head of the first enameled wire of the second stranded wire, and X2-the tail of the first enameled wire of the first stranded wire;
y-the second enameled wire of the second strand, Y1-the head of the second enameled wire of the second strand, Y2-the tail of the second enameled wire of the second strand.
Detailed Description
The utility model discloses a key name explanation:
the twisted connection means that at least two or more enameled wires are twisted with each other by the existing method, which can be manually operated or by mechanical equipment, and finally a twisted wire structure is formed, and the connection method is called as twisted connection.
The stranded wire, a more common stranded wire is the twist yarn, of course, also can be the transposition structure of other shapes, the utility model discloses all use the twist yarn to explain for the example, do not exclude other current transposition structure, also should understand to belong to the utility model discloses a stranded wire.
The multi-thread is with the hank, does the utility model discloses from there being the vocabulary, its meaning is stranded simultaneously for stranded wire enameled wire, forms the transposition mode of twisted wire similar line type promptly, does not include the transposition mode of twisting with other lines again after some line transposition in the middle, and the emphasis is stranded simultaneously of stranded wire, for example, the multi-thread of four strands enameled wire is twisted with the hank, is that four strands enameled wire twists into the twist form promptly, and does not include wherein two stranded wires twist into the stranded wire mode of one again after the transposition and other have the transposition mode of successively twisting the relation.
The parallel winding is a winding mode that multiple strands (including twisted wires and independent enameled wires) are wound on the magnetic core in a side-by-side mode, for example, a winding mode that one strand and two independent enameled wires are wound on the magnetic core in parallel in the prior art, and a winding mode that two strands of twisted wires are wound on the magnetic core in parallel in the present embodiment, and there is no twisting relationship between the twisted wires, between the twisted wires and the independent enameled wires, between the independent enameled wires and the independent enameled wires.
The winding device generally includes at least two parts, one part is a winding mechanism for twisting a plurality of enameled wires into a twisted wire, and the other part is a threading mechanism for winding the twisted wire on a magnetic core, which is called a threading mechanism. When twisted wires (or twisted yarns) are twisted, the existing winding mechanism cannot realize twisting of one part of enameled wires and not twisting of the other part of enameled wires, but can realize simultaneous twisting of two parts of enameled wires (for example, two-to-two twisting of four enameled wires) and simultaneous twisting of multiple enameled wires (for example, twisting of four enameled wires into one twisted yarn). The structure and the software control technique of spooling equipment have leaded to above-mentioned problem jointly, so, the utility model discloses an improvement scheme all is to this spooling equipment, if there is the wire winding that more advanced spooling equipment can realize arbitrary structure, then does not belong to the utility model discloses the category of the problem solved.
The technical solution of the present invention will be described in detail with reference to the following specific embodiments.
Referring to fig. 5, the utility model discloses a long and short line winding coil, including first magnetic core, second magnetic core and first strand line 100, first magnetic core and second magnetic core can adopt circular magnetic core, waist shape magnetic core, also can adopt the magnetic core of other shapes.
In this embodiment, the first twisted wire 100 is formed by twisting two strands of enameled wires, and finally forms a twist-like structure, which may also be referred to as a twisted wire, although the first twisted wire 100 may also be formed by twisting three, four or other strands of enameled wires. The first strand 100 includes a middle section 110, end sections 130 at both ends, and a middle end section 120 between the middle section 110 and the end sections 130 along its length. In the long and short wire winding coil, a structure in which a first enameled wire F and a second enameled wire E are stranded and connected is adopted at a middle section 110 of the first twisted wire 100, and the first enameled wire F and the second enameled wire E are used as a first winding structure and are wound and connected with a first magnetic core.
The two middle end sections 120 of the first twisted wire 100 are twisted and connected with the tail end of the second enameled wire by adopting the head end of the first enameled wire, the tail end of the first enameled wire is twisted and connected with the head end of the second enameled wire to form a second winding structure with two strands of twisted wires, and the two strands of twisted wires are wound and connected with the second magnetic core in a parallel winding manner to form a secondary coil T2. The second winding structure is formed by twisting the two middle end sections 120 of the first twisted wire 100 end to end, and finally forming two twisted wires and winding the two twisted wires on the second magnetic core in a parallel winding manner, so that a tight coupling structure is formed.
The utility model discloses a long and short line twines coil, the manufacture process as follows:
first, referring to fig. 2, two strands of enameled wires (i.e., a first enameled wire and a second enameled wire) are taken, and then the middle portions are twisted to form a middle section 110, which is in a state of a twisted first twisted wire 100 as shown in fig. 2.
Secondly, winding and connecting the first stranded wire 100 in the state of the figure 2 with a first magnetic core; referring to fig. 3, to form the primary coil T1, a first step is to twist the first twisted wire 100 to form a second twisted wire, which is a twisted wire made of two strands of enameled wires, and form a twisted wire in a multi-wire co-twisted manner at the middle section 110 of the first twisted wire 100, and then wind the twisted wire around the first magnetic core to form the primary coil T1. Because the main focus of the present invention is the winding structure expression of the secondary coil T2, no redundancy is given to the formation of the primary coil T1, and only the winding mode and structure of the part related to the first twisted wire 100 are expressed.
Thirdly, referring to fig. 4, a part of the first twisted wire 100 of the primary coil T1, that is, four enameled wires (two ends of the second enameled wire E and two ends of the first enameled wire F) are twisted and connected with one end of the tail of the second enameled wire by using one end of the head of the first enameled wire, and one end of the tail of the first enameled wire is twisted and connected with one end of the head of the second enameled wire, so as to form a second winding structure with two strands of twisted wires.
Further, in order to facilitate the manufacture of the center tap line of the secondary coil, the end section of the second twisted line may adopt that one end of the head portion of the first enameled wire is twisted and connected with one end of the tail portion of the second enameled wire, so as to form the center tap line of the secondary coil, and the end of the tail portion of the first enameled wire and one end of the head portion of the second enameled wire together form the output end of the secondary coil. Of course, one end of the head portion of the second enameled wire may be twisted with one end of the tail portion of the first enameled wire to form a center tap line of the secondary coil, and the center tap line, one end of the tail portion of the second enameled wire and one end of the head portion of the first enameled wire together form an output end of the secondary coil. Two kinds of modes, all can form the structure that has central tapped line at the tip section, can make things convenient for follow-up coil to be connected with the PIN foot of transformer casing.
Fourth, referring to fig. 5, the secondary winding T2 is formed by winding the second winding structure formed in step 4, i.e., two strands of wire, in parallel around the second magnetic core.
The utility model discloses in, twine the second winding structure on the second magnetic core by four strands of enameled wires, earlier with the mode transposition of two liang of transposition for two strands of stranded wires, such stranded wire mode can be realized in step through winding mechanism, then through the parallel coiling of threading mechanism on the second magnetic core to make whole wire winding, threading can rely on mechanical equipment to accomplish automatically, production efficiency improves greatly, the very big reduction of manufacturing cost.
The network transformer of the embodiment comprises a primary coil T1 and a secondary coil T2, wherein the primary coil T1 comprises a first magnetic core and a first winding structure of a first twisted wire 100 wound on the first magnetic core, the first winding structure further comprises two strands of enameled wires twisted with the first twisted wire 100 and two strands of enameled wires of a second twisted wire, the two strands of enameled wires are twisted together, namely four strands of enameled wires are twisted together to form the first winding structure, the first winding structure is wound on the first magnetic core to form the primary coil T1, four ends of the second twisted wire are used as four taps of the primary coil T1, and the two strands of enameled wires are twisted to form a center tap of the primary coil T1. The winding structure of the first stranded wire 100 and the second magnetic core adopts the structural form of the winding coil of the long and short wires, which is not described herein in detail.
Claims (6)
1. A stranded wire parallel winding coil comprises a first magnetic core, a second magnetic core and a first stranded wire, wherein the first stranded wire comprises at least two strands of enameled wires of a first enameled wire and a second enameled wire which are stranded;
the middle section of the first stranded wire is of a first enameled wire and second enameled wire stranded connection structure, serves as a first winding structure, and is wound and connected with the first magnetic core;
the two middle end sections of the first twisted wire are formed by twisting one end of the head of the first enameled wire and one end of the tail of the second enameled wire, one end of the tail of the first enameled wire and one end of the head of the second enameled wire are twisted and connected to form a second winding structure with two strands of twisted wires, and the two strands of twisted wires are wound and connected with a second magnetic core in a parallel winding mode.
2. The stranded wire parallel winding coil according to claim 1, wherein the end section of the first stranded wire is formed by twisting one end of the head of the first enameled wire and one end of the tail of the second enameled wire so as to form a center tapped wire of the secondary coil, and the center tapped wire, one end of the tail of the first enameled wire and one end of the head of the second enameled wire form an output end of the secondary coil.
3. The stranded wire parallel winding coil according to claim 1, wherein the end section of the first stranded wire is formed by twisting one end of the head of the second enameled wire and one end of the tail of the first enameled wire so as to form a center tapped wire of the secondary coil, and the center tapped wire, one end of the tail of the second enameled wire and one end of the head of the first enameled wire form an output end of the secondary coil.
4. The stranded wire parallel winding coil according to claim 1, 2 or 3, further comprising a second stranded wire, wherein the second stranded wire comprises at least two strands of enameled wires, and the first winding structure is formed by connecting the middle section of the first stranded wire and the stranded wires of at least four strands of enameled wires at the middle position of the second stranded wire in a stranded manner.
5. The stranded wire parallel winding coil of claim 4, wherein the first stranded wire and the second stranded wire are both composed of enameled wires with different colors.
6. A network transformer comprising a stranded parallel wound coil according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020606947.8U CN211654549U (en) | 2020-04-21 | 2020-04-21 | Stranded wire parallel winding coil and network transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020606947.8U CN211654549U (en) | 2020-04-21 | 2020-04-21 | Stranded wire parallel winding coil and network transformer |
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| Publication Number | Publication Date |
|---|---|
| CN211654549U true CN211654549U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020606947.8U Active CN211654549U (en) | 2020-04-21 | 2020-04-21 | Stranded wire parallel winding coil and network transformer |
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| CN (1) | CN211654549U (en) |
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