CN1864234A - Stranded wire, coil using this wire, noise filter device having this coil, and production method for stranded wire - Google Patents
Stranded wire, coil using this wire, noise filter device having this coil, and production method for stranded wire Download PDFInfo
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- CN1864234A CN1864234A CNA2004800294866A CN200480029486A CN1864234A CN 1864234 A CN1864234 A CN 1864234A CN A2004800294866 A CNA2004800294866 A CN A2004800294866A CN 200480029486 A CN200480029486 A CN 200480029486A CN 1864234 A CN1864234 A CN 1864234A
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- copper cash
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- copper
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- 238000004519 manufacturing process Methods 0.000 title claims description 54
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 134
- 239000004020 conductor Substances 0.000 claims abstract description 53
- 229910052802 copper Inorganic materials 0.000 claims description 102
- 239000010949 copper Substances 0.000 claims description 102
- 238000000576 coating method Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 32
- 239000011248 coating agent Substances 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 238000007747 plating Methods 0.000 claims description 9
- 239000002390 adhesive tape Substances 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 17
- 229920000742 Cotton Polymers 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/16—Auxiliary apparatus
- D07B7/165—Auxiliary apparatus for making slings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/08—Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/40—Application field related to rope or cable making machines
- D07B2501/406—Application field related to rope or cable making machines for making electrically conductive cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Coils Of Transformers For General Uses (AREA)
- Coil Winding Methods And Apparatuses (AREA)
- Non-Insulated Conductors (AREA)
- Insulated Conductors (AREA)
- Filters And Equalizers (AREA)
- Wire Processing (AREA)
Abstract
To produce a large-current-adaptable common-mode coil simply and at low costs. When the drive pulley (76) of a motor (74) is rotated in an arrow B direction after the distance between pins (68, 68) is adjusted to a desired one, a rotary shaft (70) is rotated. This rotation allows a rod-like takeup bobbin (64) to take up a copper wire (60) such as UEW to produce an annular conductor (66) consisting of a specified number of wires. The conductor (66) is removed from the bobbin (64), and one end is rotated with the opposite ends kept pulled from each other to produce a strand. This strand is wound into a troidal coil or the like to produce a large-current-adaptable common-mode coil.
Description
Technical field
The present invention relates to a kind of twisted conductor, have the coil, the noise filter device that are wrapped in the twisted wire on the iron core, and the method for making the twisted wire of expection length.The present invention is applicable to the noise filter device that uses between the power supply (AC power or DC power supply) and the load unit of powering via power line, in order to prevent that noise from propagating on the power supply from load unit via power line, and in order to prevent that noise radiation from going out outside the power line, the present invention also is applicable to the coil (coil of normal mode or common-mode pattern) that uses in this noise filter device.
Background technology
Up to now, the noise elimination filter for installation is inserted in for example for to be used between the inverter unit even load unit and power supply of excited electric motor, be used to stop the noise from load unit, load unit is the noise-producing source (seeing patent documentation 1) of conducted noise and radiated noise.
Noise filter device adopts the coil (coil of normal mode or common-mode pattern) in the connecting line that in series is inserted between load unit and the power supply.
Patent documentation 1: day patent publications No.10-107571 of the present disclosure.
Disclosure of the Invention
The problem to be solved in the present invention
If load unit comprises high-power device such as semiconductor-fabricating device, lathe, lift, workshop appliance etc., surpass 100[A so] electric current may flow through coil.
Up to now, as shown in Figure 24, the coil 2 that uses in being applicable to the noise filter device that big electric current is used has electric wire 8, and each electric wire 8 comprises having 60[mm
2] the cotton cover insulation copper conductor (DCC lead) 4 of cross-sectional area, and by silicon resin base insulated tube 6 on the outer cover, this electric wire 8 has the multiturn coil that is wrapped on the annular core 10.Annular core is arranged to have 130 external diameter, 100 internal diameter and 70 thickness dimensionally.Adopt the conventional coil 2 of cotton cover insulation copper cash 4 to have about 100[A] allowable current.Have about 300[A if produce] coil of allowable current, needing so (provides about 180[mm mutually concurrently with three electric wires 8
2] total cross-sectional area) be wound in coil.Coil 2 is types of 500 volts of alternating voltages of phase three-wire three.
Yet,, on market, not can be used at present above about 300[A because adopt the coil 2 of cotton cover insulation copper cash 4 to have harder electric wire and can not on annular core 10, twine greatlyyer] and the coil of the high-power device of electric current.
In fact, the cotton-covered copper wire 4 shown in Figure 24 forms twisted wire by three twisted wire manufacturing steps,, 40 bare copper wires that respectively have 0.12 diameter is carried out boundling and stranded that is, is twisted into 7 boundlings, and stranded afterwards 19 boundlings form.
Therefore, just need to make the boundling twisted wire.As shown in Figure 25, by (numbers of copper lines of its quantity and composition boundling twisted wire as many) extraction bare copper wire from 40 bobbins 30, and be wrapped on the reel 38, just can in stranded machining cell 34,, these 40 copper cash produce boundling twisted wire 36 by being twisted together.
In order to make boundling twisted wire 36, need bobbin 30 on the total amount with the lead equal number of forming boundling twisted wire 36.Therefore, the storage area of bobbin 3 is bigger, and the manufacturing equipment scale is also bigger.In addition, the space that is used to store with the reel 38 of required boundling twisted wire 36 equal numbers also is necessary.Place the course of processing on the long twisted wire extremely complicated insulated tube 6, and the expense costliness.
As a result, it is defective adopting the conventional coil 2 of cotton cover insulation copper cash 4 as shown in Figure 24, because it is limited at about 300[A] or the device of following allowable current in use, and make extremely expensive.
Figure 26 schematically shown be used for surpassing about 300[A] the coil 12 of high-power device.This coil 12 has a kind of like this structure, that is, the bus of three copper coin forms (busbar) 20,22,24 passes three for improving the perforate of the juxtaposed annular core 14,16,18 of inductance value.Adopt the coil 12 of bus 20,22,24 to can be used for surpassing about 400[A] high-power device in.
Yet, adopt the coil 12 of bus 20,22,24 and adopt the coil 2 of cotton cover insulation copper cash 4, and can run into variety of issue as described below because its conductor is thicker and harder.
At first, owing to be difficult to coil is wrapped on the iron core, so inductance value is lower, and coil has lower radioshielding ability.
Secondly, the coil with required inductance value has the size of increase.
Once more, the cost of making the coil with required inductance value has improved.
After having considered these variety of issues, the present invention has been proposed.An object of the present invention is to provide a kind of thinner electric wire that uses big electric current relatively.
Another object of the present invention provides a kind of coil, and it can use big electric current, and has the inductance value that is easy to improve.
Another purpose of the present invention provides a kind of noise filter device that uses big electric current.
A present invention also purpose provides a kind of method of easily making twisted conductor (twisted wire), and this twisted wire can use big electric current.
The present invention also has another purpose to provide a kind of method of easily making used twisted wire in the coil, and this coil can use big electric current.
The mode that is used to overcome the above problems
Electric wire according to the present invention comprises a kind of twisted wire, and it has the boundling that 10 to 20,000 each diameters are 0.4 to 1.6 copper cash, and has 10 to 10,000[mm
2] total cross-sectional area, this twisted wire can be produced by a twisted wire manufacture process.Also do not have this electric wire to use up to now, it has even can surpass 400[A] allow rated current, say nothing of traditional 50[A] to about 300[A] scope.
For example, be used for 50[A] electric wire have 11 each diameters be 1.2 and total cross-sectional area be 12.4[mm
2] copper cash, perhaps have 105 each diameters and be 0.4 and total cross-sectional area be 13.2[mm
2] copper cash.Be used for 400[A] electric wire have 500 each diameters be 1.0 and total cross-sectional area be 392.8[mm
2] copper cash, perhaps have 3200 each diameters and be 0.4 and total cross-sectional area be 402.2[mm
2] copper cash.These electric wires can use big electric current, and are relative thinner electric wires.
Each bar copper cash comprises bare copper wire, electroplate bare copper wire and apply in the copper cash of insulating coating one of them plant copper cash, perhaps comprise the bare copper wire of bare copper wire, plating and apply at least wherein mixture of two kinds of copper cash of the copper cash of insulating coating, perhaps comprise a kind of certainly molten (self-fused) lead, it comprises that coating is from least a copper cash of molten coating or the mixture of at least two kinds of copper cash.
The coil that comprises said wires is relatively softer, and electric wire is wrapped in and is used to iron core that magnetic flux is therefrom passed.Therefore, electric wire can easily be wrapped on the iron core, thereby can make the coil with big inductance value, and it can use big electric current.The shape of iron core can comprise annular core, rectangle iron core, segmentation rectangle iron core etc.
The iron core of coil can be the iron core that is used for transformer, the iron core that is used for normal mode coil (single-phase single line coil), and be used for common-mode pattern coil (single-phase-two-wire coil, single-phase three-wire coil, phase three-wire three coil or three-phase and four-line coil) iron core wherein any.This coil can be preferred in power transformer or the noise filter device.That is to say, can produce and have excellent high frequency characteristics and undersized power transformer (comprising the switch mode power transformer) perhaps have the noise filter device of good high frequency filtering feature.
The method that a kind of manufacturing according to the present invention has the twisted wire of Len req comprises, be that 0.4 to 1.6 copper cash is wound on the devices for taking-up to produce the winding step of ring-shaped conductor from bobbin with diameter, ring-shaped conductor is drawn to both sides producing the boundling production stage that has with the boundling of many leads of the corresponding length of twisted wire of Len req from its hole, and draws the opposite end of smart boundling and rotate one of them end to produce the twisted wire production stage of twisted wire.
According to the present invention, can easily produce the electric wire (twisted wire) that can use big electric current, and easily produce the electric wire (twisted wire) that can in the coil that uses big electric current, use.
Devices for taking-up in the winding step can comprise reel.If reel is included as the shaft-like bobbin that obtains Len req and have variable-length, has the plate-like bobbin of variable-diameter and for obtaining any bobbin among the banded bobbin of transmission that Len req has variable axle base, so just can easily produce the electric wire (twisted wire) with Len req for obtaining Len req.
Devices for taking-up in the winding step can comprise and be used in one plane repeating pulling ring (elongated straight-flanked ring, annulus, elliptical ring etc.), so that copper cash launches from bobbin, thereby produces the device of ring-shaped conductor.The preferred XY diaxon automation of digital control (NC) that uses is used as devices for taking-up.
In boundling production stage and twisted wire production stage, at least one end of ring-shaped conductor combines and tension with hook, and make hook rotation and produce twisted wire, perhaps be clipped in the middle, and rotation fixture and produce twisted wire by at least one end of fixture (retainer) with ring-shaped conductor.Like this, just can easily produce twisted wire.
In manufacturing method according to the invention, each bar copper cash preferably includes bare copper wire, electroplate bare copper wire and apply in the copper cash of insulating coating one of them plant copper cash, or the bare copper wire of bare copper wire, plating and apply at least wherein mixture of two kinds of copper cash of the copper cash of insulating coating, or a kind of from molten lead, it comprises that coating is from least a copper cash of molten coating or the mixture of at least two kinds of copper cash.
This method also can be included in after the twisted wire production stage, prevents the anti-step of untiing that the twisted wire of made is untied.Thisly anti-untie step and comprise, if each copper cash comprises bare copper wire, electroplate bare copper wire and apply in the copper cash of insulating coating one of them plant copper cash, so just fix twisted wire with adhesive tape or rope, but and if each copper cash when comprising the molten certainly lead of heat bonding, so just fix twisted wire by heating, if and each copper cash comprises when useable solvents is come bonding molten certainly lead, just by applying the step that solvent fixes twisted wire.Under any circumstance, be easy to all prevent that twisted wire from untiing.
Brief description
Fig. 1 is the view of electric wire according to an embodiment of the invention;
Fig. 2 is a kind of front view of devices for taking-up, and it has the shaft-like reel that is used to make ring-shaped conductor;
Fig. 3 is the perspective view of the devices for taking-up shown in Fig. 2 (before twining lead);
Fig. 4 is the perspective view of the devices for taking-up shown in Fig. 2 (after twining lead);
Fig. 5 is the conceptual view of shaft-like reel;
Fig. 6 utilizes hook the boundling line to be carried out the schematic diagram of stranded process;
Fig. 7 utilizes the fixture of flat type the boundling line to be carried out the schematic diagram of stranded process;
Fig. 8 is the sketch that shows the method for a kind of manufacturing electric wire (twisted wire);
Fig. 9 is the device view that is used for twining the copper cash of two bobbins;
Figure 10 is a kind of front view of devices for taking-up, and it has the plate-like reel that is used to make ring-shaped conductor;
Figure 11 is the perspective view of the devices for taking-up shown in Figure 10 (before twining lead);
Figure 12 is the perspective view of the devices for taking-up shown in Figure 10 (after twining lead);
Figure 13 is the conceptual view of plate-like reel;
Figure 14 is a kind of front view of devices for taking-up, and it has the reel of the conveyer belt shape that is used to make ring-shaped conductor;
Figure 15 is the perspective view of the devices for taking-up shown in Figure 14 (before twining lead);
Figure 16 is the perspective view of the devices for taking-up shown in Figure 14 (after twining lead);
Figure 17 A shows the view of twisted wire manufacturing installation when it begins to twine lead;
Figure 17 B shows the view of twisted wire manufacturing installation when it twines lead;
Figure 17 C shows the view of twisted wire manufacturing installation when it makes twisted wire;
Figure 17 D is the view when taking off twisted wire from it that shows the twisted wire manufacturing installation;
Figure 18 is the enlarged drawing of the distal portions of movable axis;
Figure 19 is the schematic diagram that is used for the motion of tensioning ring;
Figure 20 is the view of the common-mode pattern coil made by electric wire according to the present invention;
Figure 21 is the view that has adopted according to the noise filter device of common-mode pattern coil of the present invention;
Figure 22 is the view of the normal mode coil made by electric wire according to the present invention;
Figure 23 is the view by the transformer of electric wire manufacturing according to the present invention;
Figure 24 is the view that has adopted traditional common-mode pattern coil of cotton cover insulation copper cash;
Figure 25 is the schematic diagram that is used to make the conventional apparatus of boundling twisted wire; With
Figure 26 is the view that adopts traditional common-mode pattern coil of bus.
Be used to realize optimal mode of the present invention
Introduce according to an embodiment of the invention hereinafter with reference to these drawings: A electric wire (twisted wire); B makes the method for electric wire (twisted wire); C has adopted the coil of electric wire (twisted wire), or the like.The electric wire of introducing among the A is actually to be made by the electric wire manufacture method of being introduced among the B.Yet,, below will at first introduce the electric wire among the A in order to be easier to understand.
A. the introduction of electric wire (twisted wire)
Fig. 1 has shown the device of electric wire (twisted wire) 50 according to an embodiment of the invention.Electric wire 50 comprises the boundling copper cash 60 of 10 to 20,000 each diameters in 0.4 to 1.6 scope, and it has adopted has total cross-sectional area 10 to 10,000[mm
2] the form (as described below, as can to produce this twisted wire by single twisted wire manufacture process) of twisted wire in the scope.Also do not have this electric wire up to now, it has even surpasses 400[A] allow rated current, say nothing of traditional 50[A] to about 300[A] current range.
For example, be used for 50[A] electric wire have 11 each diameters be 1.2 and total cross-sectional area be 12.4[mm
2] copper cash, perhaps have 105 each diameters and be 0.4 and total cross-sectional area be 13.2[mm
2] copper cash.
Be used for 400[A] electric wire have 500 each diameters be 1.0 and total cross-sectional area be 392.8[mm
2] copper cash, perhaps have 3200 each diameters and be 0.4 and total cross-sectional area be 402.2[mm
2] copper cash.
In addition, be used for 150[A] electric wire have 100 each diameters be 1.2 and total cross-sectional area be 113.2[mm
2] copper cash.
Electric wire (twisted wire) 50 has two opposite ends, and passes through the fixed-site of the rope form securing member 52 of resin manufacture in necessity, thereby it can not untied.Alternative as securing member 52 also can be fixing with electric wire (twisted wire) 50 by adhesive tape.At electric wire (twisted wire) but 50 far-end coated with solder 54.
The copper cash 60 that is used for electric wire (twisted wire) 50 should be preferably the copper cash (UEW lead, PEW lead etc.) of insulating coatings such as the copper cash of bare copper wire, element such as zinc-plated or urethane-coating, polyester.The electric wire (twisted wire) 50 that comprises bare copper wire or plating copper cash can produce in the process of short period, because do not need to peel off insulating coating.
According to the application scenario, copper cash 60 can be to comprise the bare copper wire that is coated with from molten coating, the molten certainly lead of electroplating bare copper wire or coating insulating coating copper cash.This can be by heat bonding lead together from molten lead, or with solvent welding lead together.This electric wire of being made up of molten certainly lead (twisted wire) 50 can not be untied.
In addition, copper cash 60 also can comprise bare copper wire, electroplate bare copper wire and apply the mixture of at least two kinds of copper cash among the copper cash of insulating coating, can comprise perhaps that from molten lead apply from least a copper cash of molten coating or the mixture of two kinds of copper cash this comprising from molten lead at least.
Below will introduce the method for making electric wire (twisted wire) 50.
B. make the introduction of the method for electric wire (twisted wire)
Embodiment 1: utilize the shaft-like bobbin of variable-length to make the method for twisted wire as reel (devices for taking-up).
Fig. 2 has shown and has been used for by copper cash 60 is wound into the front view that shaft-like reel 64 is made the devices for taking-up 58 of ring-shaped conductor 66 from single bobbin (being also referred to as the copper cash spool) 62 that copper cash 60 can be any in the above-mentioned copper cash 60.Bobbin 62 is rotatably installed on the not shown fixed axis.
Fig. 3 has shown the just perspective view before it produces ring-shaped conductor 66 of devices for taking-up 58.
As shown in Fig. 2 and 3, shaft-like bobbin 64 comprises the rotating shaft 70 that is installed on pillar 69 1 ends, integrally be installed in the plate 71 on the rotating shaft 70, and two pins 68 that are installed on the plate 71 and can on the longitudinal direction of plate 71, move, its B-C post 69 is fixedly mounted on the ground.When pin 68 occurrence positions on the longitudinal direction of plate 71 changes, just the length adjustment of ring-shaped conductor 66 can be arrived Len req.Length from rotating shaft 70 centers to each respective pins 68 should be preferably mutually the same, rocks when rotated to prevent rotating shaft 70.
Rotating shaft 70 is integrally coaxial to be fixed on the driven pulley 72.Dynamic conveyor belt 80 hangs on the driving wheel 76 of driven pulley 72 and motor 74, and motor 74 is as the rotary actuator that fixes on the ground.
As shown in Figure 4, will sell fixed distance between 68 after required separation distance, the driving wheel 76 of motor 74 rotates on the direction shown in the arrow B, thereby rotating shaft 70 is rotated on the direction shown in the arrow A.When rotation reached predetermined rotating cycle (scheduled volume 1/2), this rotation just stopped.So just produced the ring-shaped conductor 66 of predetermined quantity.
In Fig. 2 to Fig. 4, rotating shaft 70 is transmitted is with 80 to drive rotation.Yet rotating shaft 70 can directly drive rotation by rotary actuator, or is rotated by gear.Ring-shaped conductor 66 can produce in the above described manner.
As shown in concept map 5, as long as it comprises shaft-like reel 64A with rotating shaft 70A and perpendicular to the rod member 64B of the rotating shaft 70A and the variable-length of extending in its both sides, shaft-like bobbin 64 just can have any required structure.
Take off by the pin 68 of devices for taking-up 58 produced ring-shaped conductors 66, and from hole 82, be pulled to both sides (seeing Fig. 2 and 4), thereby formed boundling with many leads of the corresponding length of twisted wire with Len req from shaft-like bobbin 64.
Fig. 6 has shown twisted wire manufacturing installation 90, and it utilizes hook 88,89 from hole 82 ring-shaped conductor 66 to be pulled outwardly in both sides, and it is reversed into the boundling 66B of the lead of requirement.
In Fig. 6, the rotating shaft of motor 84 86 rotations, thus make Rotary hanging hook 88 rotations and reverse boundling 66B.When rotating shaft 86 rotates to pre-determined number, just stop the rotation of motor 84, thereby produce twisted wire with required torsional capacity.If substitute fixed hook 89 with Rotary hanging hook, and with shown in the arrow side in the opposite direction on the rotation, so just can reduce production the required time of twisted wire.
Twisted wire is taken off from linking up with on 88,89.Afterwards as shown in fig. 1,, twisted wire can be fixed in its two opposite end and necessary position, it can not untied by resin rope making shape securing member 52 or adhesive tape.Afterwards, with scolder 54 far-end of twisted wire that is laid in, thereby produce required electric wire (twisted wire) 50.
If but copper cash 60 is molten certainly leads of heat bonding, so, from linking up with 88, pull down after the twisted wire on 89, need that twisted wire is stayed the processing of bearing a certain temperature in thermostatic container such as the baking oven etc. and reach preset time, thereby prevent that by copper cash 60 is bonded together electric wire (twisted wire) 50 from untiing.Perhaps, from link up with pull down twisted wire on 88,89 after, solvent is sprayed on the copper cash 60, from solvent, pull out after perhaps copper cash 60 being immersed in the solvent, thereby prevent that by copper cash 60 being bonded together electric wire (twisted wire) 50 from being untied with solvent.
Fig. 7 has shown another twisted wire manufacturing installation 92.This twisted wire manufacturing installation 92 is different from the twisted wire manufacturing installation 90 shown in Fig. 6, its difference is, replaced the Rotary hanging hook 90 of twisted wire manufacturing installation 90 with rotatable plane pressing plate 98 as fixture, and the fixedly flat clamp 99 and the fixed block 81A that are used as fixture fixed hook 89 and fixed block 81 have been replaced.Ring-shaped conductor 66 is fixed on its two opposite end on the flat clamp 98,99 by screw 102,104, and can make flat clamp 98 rotations by motor 84, thereby produces twisted wire.
Fig. 8 is the sketch of step that has shown the B method of above-mentioned manufacturing electric wire (twisted wire).The basic step of the method for this manufacturing electric wire (twisted wire) comprising: with diameter is that 0.4 to 1.6 copper cash 60 is wound on the reel 64 from bobbin 62, thereby produces the winding step (S1) of ring-shaped conductor 66; From hole 82 or the like, ring-shaped conductor 66 is pulled to both sides, to produce the boundling production stage (S2) with the boundling 66B of many leads with the corresponding length of Len req twisted wire; And spur the opposite end of boundling 66B and rotate one of them end, have the twisted wire production stage (S3) of the twisted wire of Len req with generation.
Carry out above-mentioned basic step, to produce twisted wire.In this way, in single twisted wire production stage (S3), just can produce the electric wire (twisted wire) that can use big electric current easily.
Devices for taking-up 58 can have the device that twines copper cash 60 from single bobbin 62.Therefore, just needn't use and the as many bobbin 30 of number of conductors of forming twisted wire as top in conjunction with prior art described in Figure 25.Devices for taking-up itself is simple in structure, and can greatly reduce required space and the expense (expense of devices for taking-up and twisted wire) of electric wire (twisted wire) of producing.
In the present invention, employed bobbin 62 and be not necessarily limited to single bobbin in the following winding step (S1).If provide two (or more a plurality of) bobbins 62 concurrently, as shown in Figure 9, so just can will twine time decreased to half for twining copper cash.Therefore,, utilize quantity bobbin 62 still less, or utilize at least one bobbin 62, just can produce ring-shaped conductor 66 than the lead of forming twisted wire according to the present invention.
If copper cash 60 is any copper cash among bare copper wire, plating bare copper wire or the copper cash that applies insulating coating, so just can fix twisted wire by adhesive tape or rope form securing member 52., can fix twisted wire by heating so if but copper cash 60 is molten certainly leads of heat bonding.If copper cash is can fix twisted wire by applying solvent so by the molten certainly lead of solvent welding.Therefore, at twisted wire production stage (S3) afterwards, preferably followed the anti-step (S4) of untiing.As a result, just can produce and to prevent unlocked twisted wire.
Below will introduce another embodiment of boundling production stage (S2).Representing with identical label shown in the drawing with identical shown in Fig. 1 to 9 or corresponding parts, and will introduce no longer in detail.
Embodiment 2: utilize the plate-like bobbin of variable-diameter to make the method for twisted wire as reel.
Figure 10 has shown by copper cash 60 is wound into the front view that plate-like bobbin (devices for taking-up) 164 produces the devices for taking-up 158 of ring-shaped conductor 166 from single bobbin 62.
Figure 11 has shown the perspective view of coiling (winding) device 158 before it produces ring-shaped conductor 166.
As shown in Figure 10 and 11, plate-like bobbin 164 comprises the rotating shaft 70 that is installed on pillar 69 1 ends, integrally is installed in the discoid plate 171 on the rotating shaft 70, and is installed on the plate 171 and can be at four pins 168 that move in the radial direction of plate 171.When pin 168 when the occurrence positions in the radial direction of plate 171 changes, just the length adjustment of ring-shaped conductor 166 can be arrived Len req.Length from rotating shaft 70 centers to each respective pins 168 is preferably mutually the same, rocks when rotated to prevent rotating shaft 70.
Rotating shaft 70 is integrally coaxial to be fixed on the driven pulley 72.Dynamic conveyor belt 80 hangs on the driving wheel 76 of driven pulley 72 and motor 74.
As shown in Figure 12, will sell 168 be fixed on corresponding given position after, the driving wheel 76 of motor 74 rotates on the direction shown in the arrow B, thereby rotating shaft 70 is rotated on the direction shown in the arrow A.When the rotating cycle of axle reached predetermined amount (predetermined number of conductors 1/2), this rotation just stopped.So just produced ring-shaped conductor 166 with predetermined lead number of turn.
As shown in notion Figure 13, as long as it comprises the plate-like bobbin 164A with rotating shaft 70A and variable-diameter diskware 171A, so this plate-like bobbin 164 just can have any required structure.
Take off from plate-like bobbin 164 by devices for taking-up 158 produced ring-shaped conductors 166, and from hole 182, be pulled to both sides (seeing Figure 10 and 12), thereby form boundling with many leads of the corresponding length of twisted wire with Len req.
Afterwards, carry out above-mentioned twisted wire production stage (S3) and anti-untie step (S4), to produce electric wire (twisted wire) with Len req.
Below will introduce another embodiment of boundling production stage (S2).
Embodiment 3: utilize the banded bobbin of the transmission with variable axle base to make the method for twisted wire as reel (devices for taking-up).
Figure 14 has shown by producing the front view of the devices for taking-up 258 of ring-shaped conductor 266 on the bobbin 264 that copper cash 60 is wound into the conveyer belt shape from single bobbin 62.
Figure 15 has shown the perspective view of coiling (winding) device 258 before it produces ring-shaped conductor 266.
As shown in Figure 14 and 15, the bobbin 264 of conveyer belt shape has two pulleys (pulley) 281,282.In order to change the distance between the pulley 281,282, one of them of pulley 281,282 or both can move toward or away from ground mutually, so that the length adjustment of ring-shaped conductor 266 is arrived Len req.
As shown in Figure 16, with the fixed distance between the pulley 281,282 after required distance, the driving wheel 281 of motor 74 rotates on the direction shown in the arrow B, thereby driven pulley 282 is rotated on the direction shown in the arrow A.When the number of revolutions of axle reached predetermined amount (predetermined number of conductors 1/2), this rotation just stopped.So just produced ring-shaped conductor 266 with predetermined lead number of turn.In the bobbin 264 of conveyer belt shape, ring-shaped conductor 266 double as conveyer belts.
Can produce ring-shaped conductor 266 by the way.After devices for taking-up 258 is produced ring-shaped conductor 266, from pulley 281,282, take off ring-shaped conductor 266, and from hole 283, be pulled to both sides (seeing Figure 14 and 16), thereby form boundling with many leads of the corresponding length of twisted wire with Len req.
Afterwards, carry out above-mentioned twisted wire production stage (S3) and anti-untie step (S4), to produce electric wire (twisted wire) with Len req.
Figure 17 A to 17D has shown that utilizing the two-axis automation 400 of XY to replace reel 64 as devices for taking-up waits the twisted wire manufacturing installation 402 of making electric wire (twisted wire), and utilizes the performed manufacture method of this twisted wire manufacturing installation 402.
Twisted wire manufacturing installation 402 has the two-axis automation 400 of XY of controlling its operation by the NC program in the unshowned control desk of being combined in, the fixed axis 404 that on X-direction, extends, be installed in the movable axis 406 on the fixed axis 404, it is used for moving on X-direction and vertical with it Y direction.Be used to guide the pulley 408 of copper cash 60 to be installed in a side of movable axis 406.The pipe 410 of nozzle-like is installed on the far-end of movable axis 406 these sides.
The enlarged drawing of movable axis 406 far-ends of pipe 410 above having shown, Figure 18 is installed.
Twisted wire manufacturing installation 402 is arranged to make copper cash 60 to pass the narrow hole of managing 410 from bobbin 62 expansion and by 408 guiding of two pulleys, and is wrapped between the hook 412,414.
Hook 412 has vertical towards last openend (hook groove) 413.Hook 412 moves on X-direction by control desk, and is fixed on the orientable base 416.Move on X-direction and be fixed on preposition by base 412, twisted wire manufacturing installation 402 just can be produced the ring-shaped conductor 466 with Len req.
By being fixed on the motor 422 on the base 420, can make hook 414 rotations.When hook 414 began to twine, twining and finishes to twine copper cash 60, hook 414 had vertical towards last openend (hook groove) 415.Motor 422 also is controlled the control of platform.
By link up with 412,414 in place regularly and its openends 413,415 as shown in Figure 17 A vertically towards last, copper cash 60 just can hang on the hook 412,414.Afterwards, as shown in Figure 19, for the ring-shaped conductor 466 of the wire turn form that produces predetermined quantity, the copper cash port of export of pipe 410 (vertical lower end) moves repeatedly and in one plane is drawn as ring 450, so that copper cash 60 launches from bobbin 62, thereby produce ring-shaped conductor 466.Ring 450 is not limited to elongated rectangular shape, but also can be the shape that is selected from round-shaped, elliptical shape or diamond shape etc.
Figure 17 B has shown the twisted wire manufacturing installation 402 when making ring-shaped conductor 466.Figure 17 C has shown the twisted wire manufacturing installation 402 when the production of ring-shaped conductor 466 is finished.
Next as shown in Figure 17 C, when motor 422 made hook 414 rotate pre-determined number, the rotation of motor 422 just stopped, and had the predetermined twisted wire that reverses quantity thereby produce.
As shown in Figure 17 D, take off twisted wire 467 on 412,414 from linking up with.Afterwards, as shown in fig. 1, twisted wire can be fixed in its two opposite end and necessary position, it can not untied by securing member 52 or adhesive tape that resin is made.Afterwards, scolder 54 is laid on the far-end of twisted wire, thereby produces as shown in fig. 1 required electric wire (twisted wire).
C. adopted the introduction of the coil etc. of electric wire (twisted wire)
Figure 20 has shown the common-mode pattern coil 300 that is used for noise filter device, it comprises the annular core 10 that magnetic flux can pass, and three wires, 50 (see figure 1)s, iron core 10 has external diameter 130, internal diameter 100 and thickness 70 as shown in figure 24, every wire 50 comprise 500 each diameters be 1.0 and total cross-sectional area be 392.8[mm
2] the UEW lead according to the manufacture method made of embodiment, every wire 50 has twined many numbers of turn around annular core 10.
Common-mode pattern coil 300 has about 400[A] allowable current, and be the type of 500 volts of alternating voltages of phase three-wire three.
Common-mode pattern coil 300 has the conductor softer than coil 2, and has thinner lead, i.e. thinner boundling conductor, the electric wire that comprises the cotton cover insulation copper cash separately 8 that coil 2 adopts as shown in Figure 24.Therefore, just can increase the number of turn of the common-mode pattern coil 300 that is wrapped on the magnetic core 10.Therefore, just can easily improve inductance value, thereby increase attenuation high-frequency noise.
Along with the increase of the number of turn, inductance value also improves.Needn't be such as noise filter device with the coil 12 that uses bus 20,22,24 shown in Figure 26, with annular core 14,16,18 gather into folds.
The result, as shown in Figure 21, comprise shell 311, input terminal 305,306,307, lead-out terminal 308,309,310, the noise filter device 320 of common-mode pattern coil 300, X capacitor block 302 and Y capacitor block 304 just has the cost of littler size, the weight that alleviates, reduction, and can realize higher high frequency filter capacity simultaneously.
Except common-mode pattern coil 300, also can be applicable to normal mode coil 322 according to the electric wire 50 of the embodiment of the invention, as shown in Figure 22, normal mode coil 322 comprises the single electric wire 50 that twines a plurality of wire turns around iron core 10.Electric wire 50 also can be applicable to transformer 324, and it has elementary winding 50A and secondary winding 50B on the iron core 298, as shown in Figure 23.
Industrial applicibility
According to the present invention, a kind of electric wire (twisted wire) that uses big electric current is provided, can have used The coil with high inductance value of big electric current and the noise filter dress that can use big electric current Put.
According to the present invention, also provide a kind of and can easily produce the strand that to use big electric current The method of zygonema.
According to the present invention, a kind of method that can easily produce twisted wire also is provided, this Planting twisted wire can use in the coil that uses big electric current.
Claims (11)
1. electric wire that comprises twisted wire (50), described twisted wire (50) have 10 to 20,000 each diameters be 0.4 to 1.6 and total cross-sectional area be 10 to 10,000[mm
2] the boundling of copper cash (60), described twisted wire is produced by single twisted wire manufacture process.
2. electric wire according to claim 1 is characterized in that, the described copper cash of each bar comprises:
At least a copper cash in the copper cash of bare copper wire, plating bare copper wire and coating insulating coating; Perhaps
The mixture of at least two kinds of copper cash in the copper cash of described bare copper wire, described plating bare copper wire and described coating insulating coating; Perhaps
From molten lead, it comprises that coating is from the described at least a copper cash of molten coating or the mixture of described at least two kinds of copper cash.
3. a coil that comprises electric wire according to claim 1 and 2 is characterized in that, described coil is wrapped on the iron core (10) that magnetic flux is therefrom passed.
4. coil according to claim 3 is characterized in that, described iron core comprises the iron core that is used for transformer, any iron core that is used for the iron core of normal mode coil and is used for the iron core of common-mode pattern coil.
5. noise filter device, it comprises the common-mode pattern coil (300) that has according to claim 1 or 2 described electric wires, described coil is wrapped in and is used to iron core (10) that magnetic flux is therefrom passed.
6. a manufacturing has the method for the twisted wire of Len req, comprising:
Be that 0.4 to 1.6 copper cash (60) is wound into the winding step (S1) to produce ring-shaped conductor (66) on the devices for taking-up from bobbin (62) with diameter;
Described ring-shaped conductor is pulled to both sides to produce the boundling production stage (S2) that has with many lead boundlings (66B) of the corresponding length of twisted wire of Len req from hole (82) wherein; With
And two opposite ends of the described boundling of pull and rotate one of them end to produce the twisted wire production stage (S3) of twisted wire.
7. method according to claim 6, it is characterized in that, described devices for taking-up in the described winding step comprises reel, and described reel is included as the shaft-like bobbin (64) that obtains described Len req and have variable-length, for obtaining that described Len req has the plate-like bobbin (164) of variable-diameter and for obtaining any bobbin in the plate-like bobbin (264) of conveyer belt shape that described Len req has variable axle base.
8. method according to claim 6, it is characterized in that the described devices for taking-up in the described winding step comprises that being used in one plane moves repeatedly and draw ring (450) so that described copper cash launches and produces the device of described ring-shaped conductor from described bobbin.
9. method according to claim 6, it is characterized in that, in described boundling production stage and described twisted wire production stage, the wherein at least one end and the hook (88 of described ring-shaped conductor, 89) the merging tension of joining, and described hook (88) is substituted rotation and produces described twisted wire, perhaps, wherein at least one end of described ring-shaped conductor device that is fixed is clipped in the middle, and described fixture is substituted rotation and produces described twisted wire.
10. according to the described method of arbitrary claim in the claim 6 to 9, it is characterized in that the described copper cash of each bar comprises:
At least a copper cash in the copper cash of bare copper wire, plating bare copper wire and coating insulating coating; Perhaps
The mixture of at least two kinds of copper cash in the copper cash of the bare copper wire of bare copper wire, plating and coating insulating coating; Perhaps
From molten lead, it comprises that coating is from the described at least a copper cash of molten coating or the mixture of described at least two kinds of copper cash.
11. method according to claim 10 is characterized in that, described method also comprises:
After described twisted wire production stage, prevent the anti-step (S4) of untiing that the twisted wire of made is untied;
Wherein, describedly anti-untie step (S4) and comprise the steps:
If each described copper cash comprises at least a copper cash in the copper cash of described bare copper wire, described plating bare copper wire and described coating insulating coating, so just fix described twisted wire with adhesive tape or rope;
, so just fix described twisted wire by heating if but each described copper cash comprises the molten certainly lead of heat bonding; And
Can come bonding described certainly molten lead by solvent if each described copper cash comprises, so just fix described twisted wire by applying solvent thereon.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003292923A JP4098685B2 (en) | 2003-08-13 | 2003-08-13 | Twisted wire, coil, and noise filter device |
| JP292923/2003 | 2003-08-13 | ||
| PCT/JP2004/011236 WO2005017924A1 (en) | 2003-08-13 | 2004-08-05 | Stranded wire, coil using this wire, noise filter device having this coil, and production method for stranded wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1864234A true CN1864234A (en) | 2006-11-15 |
| CN1864234B CN1864234B (en) | 2010-06-16 |
Family
ID=34190970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004800294866A Active CN1864234B (en) | 2003-08-13 | 2004-08-05 | Stranded wire, coil using this wire, noise filter device having this coil |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1655740A4 (en) |
| JP (1) | JP4098685B2 (en) |
| KR (1) | KR100753000B1 (en) |
| CN (1) | CN1864234B (en) |
| WO (1) | WO2005017924A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834036A (en) * | 2010-06-01 | 2010-09-15 | 上海新拜恩实业有限公司 | Hollow oscillating rod type overlying guide lead winding mechanism preventing lead from being scrapped |
| CN104882270A (en) * | 2015-06-23 | 2015-09-02 | 无锡晶磊电子有限公司 | Winding shaft for transformer |
| CN112425051A (en) * | 2018-05-28 | 2021-02-26 | 汉拿电驱动股份有限公司 | Method for producing a pressed strand, method for producing an electric motor, and use of a pressed strand |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460305A (en) * | 2011-03-30 | 2013-12-18 | 东京特殊电线株式会社 | Insulated wire and coil |
| CN103426628B (en) * | 2013-08-27 | 2016-03-09 | 昆山达功电子有限公司 | A kind of coil former apparatus |
| JP2016095993A (en) * | 2014-11-13 | 2016-05-26 | 日立金属株式会社 | Electric wire and cable |
| CN104505180A (en) * | 2014-12-19 | 2015-04-08 | 无锡市士民机械设备厂 | Coil rotation driving device with tensioning wheels arranged at equal height |
| CN105047305A (en) * | 2015-06-26 | 2015-11-11 | 张家港金海港电线电缆有限公司 | Sectional type fluorescent cable manufacturing method |
| CN105047309A (en) * | 2015-06-26 | 2015-11-11 | 张家港金海港电线电缆有限公司 | Cable line manufacturing method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1198126A (en) * | 1958-06-02 | 1959-12-04 | Acec | Winding conductor for battleship-nested transformers |
| JPS517815B2 (en) | 1972-05-27 | 1976-03-11 | ||
| JPS58214216A (en) | 1982-06-07 | 1983-12-13 | 株式会社日立製作所 | Litz wire |
| EP0978851A1 (en) * | 1994-11-04 | 2000-02-09 | Matsushita Electric Industrial Co., Ltd. | Line filter |
| JPH10106861A (en) | 1996-09-30 | 1998-04-24 | Soshin Denki Kk | Noise filter |
| JPH10107571A (en) | 1996-09-30 | 1998-04-24 | Soshin Denki Kk | Noise filter |
| CN2318692Y (en) * | 1997-08-30 | 1999-05-12 | 江苏中利电缆有限责任公司 | One-core fireproof low-smoke no-halogen plastic insulation flexible cable |
| CN2327058Y (en) * | 1998-04-24 | 1999-06-30 | 常铁军 | Magnetic-flux-adjustable transformer |
| JP3672792B2 (en) | 2000-03-31 | 2005-07-20 | 双信電機株式会社 | Line filter |
-
2003
- 2003-08-13 JP JP2003292923A patent/JP4098685B2/en not_active Expired - Lifetime
-
2004
- 2004-08-05 WO PCT/JP2004/011236 patent/WO2005017924A1/en active Application Filing
- 2004-08-05 KR KR1020067002835A patent/KR100753000B1/en active IP Right Grant
- 2004-08-05 CN CN2004800294866A patent/CN1864234B/en active Active
- 2004-08-05 EP EP04771263A patent/EP1655740A4/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834036A (en) * | 2010-06-01 | 2010-09-15 | 上海新拜恩实业有限公司 | Hollow oscillating rod type overlying guide lead winding mechanism preventing lead from being scrapped |
| CN104882270A (en) * | 2015-06-23 | 2015-09-02 | 无锡晶磊电子有限公司 | Winding shaft for transformer |
| CN112425051A (en) * | 2018-05-28 | 2021-02-26 | 汉拿电驱动股份有限公司 | Method for producing a pressed strand, method for producing an electric motor, and use of a pressed strand |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100753000B1 (en) | 2007-08-30 |
| CN1864234B (en) | 2010-06-16 |
| JP2005063830A (en) | 2005-03-10 |
| EP1655740A4 (en) | 2008-07-16 |
| JP4098685B2 (en) | 2008-06-11 |
| EP1655740A1 (en) | 2006-05-10 |
| WO2005017924A1 (en) | 2005-02-24 |
| KR20060032217A (en) | 2006-04-14 |
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