CN104576000B - Coil device - Google Patents
Coil device Download PDFInfo
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- CN104576000B CN104576000B CN201410528524.8A CN201410528524A CN104576000B CN 104576000 B CN104576000 B CN 104576000B CN 201410528524 A CN201410528524 A CN 201410528524A CN 104576000 B CN104576000 B CN 104576000B
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- Prior art keywords
- secondary windings
- pressure side
- groove portion
- armature winding
- flange part
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/325—Coil bobbins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/326—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures specifically adapted for discharge lamp ballasts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/10—Ballasts, e.g. for discharge lamps
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulating Of Coils (AREA)
- Coils Of Transformers For General Uses (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The present invention provides a kind of suitable for miniaturization and reliability and the good coil device of manufacture efficiency.Coil device is the coil device that high pressure is changed to along spool direction from low pressure, is possessed：Bar-shaped core (12)；Skeleton (20), it has the hollow cylinder (21) for accommodating core and the multiple flange parts protruded to the outer direction from the hollow cylinder；Secondary windings (40), it is clamped between flange part, is divided into being formed and is wound in multiple secondary windings groove portions (24a~24g) of the outer surface of the hollow cylinder；Armature winding (30), it, with being clamped between groove portion by flange part, is divided into being formed and is wound in multiple armature winding groove portions (25a~25c) of the outer surface of hollow cylinder in secondary windings；Low pressure side terminal (50), it is arranged on any one of flange part, is connected to the armature winding and the secondary windings；Primary high pressure side terminal (60), it is arranged on any one of flange part, is connected with the primary high pressure side end (30a) of the armature winding；And secondary high pressure side terminal (70), it is arranged on any one of flange part, is connected with the secondary high pressure side end (40a) of the secondary windings.
Description
Technical field
The present invention relates to be used to discharge such as used in headlight, liquid crystal projector or overhead projector machine
The high voltage of lamp lighting produces coil device.
Background technology
Be used as such as used in headlight high voltage produce coil device, it is known that have for example following patents
Coil device shown in document 1.Such coil device after the skeleton for being wound with secondary windings is arranged on printed base plate,
The multiple primary coil pieces for being shaped to U-shaped are arranged on printed base plate on skeleton, armature winding is consequently formed.
However, the coil device involved by prior art is due to connecting multiple primary coil pieces by using printed wiring
Armature winding is formed, therefore, reliability or manufacture effect for junction surface many using the junction of welding or welding etc.
The viewpoint of rate, with technical problem.Further, since such coil device needs printed base plate, therefore in the viewpoint of miniaturization
On also have technical problem.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 11-307373 publications
The content of the invention
The technical problems to be solved by the invention
The present invention, in view of such actual state, is axially to change to height from low pressure its object is to provide one kind
The high voltage of pressure produces coil device and suitable for miniaturization and reliability and the good coil device of manufacture efficiency.
Solve the means of technical problem
In order to achieve the above object, coil device involved in the present invention, it is characterised in that possess：Bar-shaped core；Bone
Frame, it has the hollow cylinder for accommodating the core and the multiple flange parts protruded to the outer direction from the hollow cylinder；It is secondary
Winding, it is held between the flange part, is divided into the multiple secondary windings to be formed in the outer surface of the hollow cylinder
It is wound with groove portion；Armature winding, it, with being clamped by the flange part between groove portion, is divided into being formed in the secondary windings
It is wound in multiple armature winding groove portions of the outer surface of the hollow cylinder；Low pressure side terminal, it is set
In any one of flange part, the armature winding and the secondary windings are connected to；Primary high pressure side terminal, it is arranged on
Any one of flange part, is connected with the primary high pressure side end of the armature winding；And secondary high pressure side terminal, it sets
Put in any one of flange part, be connected with the secondary high pressure side end of the secondary windings.
Coil device involved by the 1st viewpoint of the present invention is due to forming the armature winding in the outer surface of skeleton
Armature winding groove portion and secondary windings groove portion are wound with secondary windings, flange part is provided with low pressure side terminal, primary
High pressure side terminal and secondary high pressure side terminal, therefore, coil device are constituted with a printed base plate of skeleton is not needed.Cause
This, such coil device is suitable to miniaturization, in addition, junction surface less thus reliability it is good, it is also easy to manufacture.
Alternatively, the region for not winding the secondary windings is there are at least one end of the core.By so constituting,
The rheology of the magnetic flux at core end can be made to obtain the inductance (L values) for well improving coil device, it is possible to reduce total circle of secondary windings
Number.By reducing the number of turns, D.C. resistance can be reduced, the line footpath of coiling can be reduced.
Alternatively, be wound in be located at the core long side direction central portion the secondary windings groove portion secondary
The Winding Layer of winding compares, and is wound in time of the secondary windings groove portion of the end of long side direction positioned at the core
The Winding Layer of level winding is few.By so constituting, in the case of number of total coils identical, the inductance (L of coil device can be improved
Value).In addition, by improving inductance, if identical inductance, then the number of total coils of secondary windings can be reduced.By reducing circle
Number, can reduce D.C. resistance, can reduce the line footpath of coiling.
Further optionally, for example in multiple secondary windings groove portions, secondary low-voltage side groove portion and ratio are included
The secondary low-voltage side groove portion is thicker than the secondary low-voltage side groove portion to the radial thickness of high-pressure side and the hollow cylinder
Secondary high pressure side groove portion.
Changed by making the thickness of hollow cylinder in high-pressure side and low-pressure side, can not only seek to minimize but also well ensure
The proof voltage of coil device.
Further optionally, the number of plies ratio for being for example wound in the secondary windings of the secondary low-voltage side groove portion is wound in
The number of plies of the secondary windings of the secondary high pressure side groove portion is more.
By reducing the number of plies of the thick secondary high pressure side groove portion of hollow cylinder thickness, the maximum that can suppress flange part is outer
Footpath, seeks the miniaturization of coil device.
Further optionally, for example described armature winding and the secondary windings are by from the primary high pressure side end to institute
The continuous coiling of secondary high pressure side end is stated to constitute.
It is made up of the coiling being connected by armature winding with secondary windings, can reduce that coil device included electrically engages
Position, reduces D.C. resistance.Further, since armature winding and secondary windings can be formed by continuously rolling process, therefore
Its manufacture efficiency of such coil device is good.
Further optionally, the low pressure side terminal have using fusion be fixed among the coiling it is described it is primary around
Group and the coiling fixed part of the boundary member of the secondary windings.
Coiling fixed part with the boundary member that the armature winding and the secondary windings are fixed on using fusion
Low pressure side terminal easily and can be installed effectively.
Further optionally, for example described secondary high pressure side terminal be arranged among multiple flange parts from described
One end in empty cylinder portion, 1st flange part prominent to the external diameter direction.
, can be relative to multiple times by the way that secondary high pressure side terminal is arranged on into 1st flange part of the configuration an end
Level winding is readily formed secondary windings with groove portion.
It will be clipped in addition, multiple flange parts can be included described in a pair of any one of armature winding groove portion
The attachment flange portion that a part for flange part is connected with each other, the low pressure side terminal can be arranged on the attachment flange portion.
By the way that low pressure side terminal is arranged on into attachment flange portion, the space for setting low pressure side terminal can be suppressed, made
Coil device is minimized.
Further optionally, for example at least a portion among multiple flange parts has from the periphery of the flange part
The formation of surface radially inward and make switch-in part that the secondary windings passes through and form outer weekly form in the flange part
On face and the armature winding path that passes through the armature winding.
There is switch-in part by flange part and armature winding path on the outer surface of flange part is formed, can be with
Not only the insulation distance of secondary windings and armature winding had been ensured but also coil device is further minimized.
Brief description of the drawings
Fig. 1 is the stereogram of the coil device involved by an embodiment of the invention.
Fig. 2 is schemed above the coil device shown in Fig. 1.
Fig. 3 is the side view of the coil device shown in Fig. 1.
Fig. 4 A are the sectional views along Fig. 2 IV-IV lines.
Fig. 4 B are the sectional views for the variation for representing Fig. 4 A.
Fig. 5 is the exploded perspective view of the coil device shown in Fig. 1.
Fig. 6 is the circuit diagram of the coil device shown in Fig. 1.
Fig. 7 A are the stereograms of the coil device involved by another embodiment of the invention.
Fig. 7 B are the stereograms of coil device from a different perspective shown in Fig. 7 A.
Fig. 8 is schemed above the coil device shown in Fig. 7 A.
Fig. 9 is the side view of the coil device shown in Fig. 7 A.
Figure 10 is the cross-sectional perspective view along Fig. 7 B X-X lines.
Figure 11 is the exploded perspective view of the coil device shown in Fig. 7 A.
The explanation of symbol：
10,110 ... coil devices
12,112 ... magnetic cores
14,114 ... blocks
20,120 ... skeletons
21,121 ... hollow cylinders
30,130 ... armature windings
40,140 ... secondary windings
23a~23k, 123a~123j ... flange parts
26a, 26b, 126a, 126b ... switch-in part
27a, 27b, 127a, 127b ... armature winding path
β ... the attachment flange portion of 23 α, 23 β, 123 α, 123
24a~24g, 124a~124g ... secondary windings groove portions
25a~25c, 125a~125c ... armature winding groove portions
30a, 130a ... primary high pressure side end
40a, 140a ... secondary high pressure side end
BD ... boundary members
50,150 ... low pressure side terminals
50a, 150a ... coiling fixed part
60,160 ... primary high pressure side terminals
70,170 ... secondary high pressure side terminals
Embodiment
Hereinafter, the present invention is illustrated based on embodiment shown in the drawings.
1st embodiment
Fig. 1 is the stereogram of the coil device 10 as the transformer involved by an embodiment of the invention, and Fig. 6 is
The circuit diagram of coil device 10.As shown in figure 1, the armature winding 30 and secondary windings 40 of coil device 10 are along spool direction
Z-direction is formed.The coil device 10 is to change to high-tension coil device along spool direction from low-voltage.
As shown in fig. 6, coil device 10 has the low pressure side for being electrically connected to both armature winding 30 and secondary windings 40
The low pressure side terminal 50 in portion, be connected to armature winding 30 high pressure side end primary high pressure side terminal 60 and be connected to time
The secondary high pressure side terminal 70 of the high pressure side end of level winding 40, is represented by the circuit as 3 phases (3 terminals).Such
In coil device 10, secondary high pressure side terminal 70 is connected to from the end for the Z axis negative direction side for being connected to low pressure side terminal 50 is past
Z axis positive direction side end, along spool (Z axis), the voltage of secondary windings 40 changes to high pressure from low pressure, can be compared
The output of the higher voltage of secondary high pressure side terminal 70.Further, in the present embodiment, it is Z-direction to make spool direction, order is vertical
In Z-direction and mutually orthogonal direction be X-direction and Y direction.
As shown in Figure 1.Coil device 10 have skeleton 20, armature winding 30, secondary windings 40, low pressure side terminal 50, just
Level high pressure side terminal 60 and secondary high pressure side terminal 70.In addition, as sectional view is shown in Fig. 4 A and i.e. Fig. 5 of exploded perspective view,
Coil device 10 has the bar-shaped core 12 being contained in the hollow cylinder 21 of skeleton 20, is set in the opening portion of hollow cylinder 21
Have with for so that the block 14 that core 12 does not come off among hollow cylinder 21.Further, in Figure 5, armature winding not shown
30 and secondary windings 40.
Core 12 has the section of elliptical shape or oblong shape, and spool direction (Z axis side is turned into the long side direction of core 12
To) form configuration.In addition, the long axis direction in the cross sectional shape of core 12 is consistent with Y direction, short-axis direction and X-direction
Unanimously.
The metallicl magnetic material that core 12 is molded by the soft magnetic material such as Ferrite Material, permalloy, metal press-powder
Constituted Deng magnetic material.Coil device 10 is for example being used as high-tension coil device mainly for the purpose of vehicle-mounted
In the case of, -40~+130 DEG C (they being -40~+150 DEG C as storage temperature) are required as use environment, in order to remain such
Electrical characteristic under environmental condition, preferably Curie temperature are more than 200 DEG C of magnetic.
In addition, in coil device 10, secondary windings 40 is not directly to be wound in core 12, and secondary windings 40 is wound in core
The outer surface of 12 hollow cylinders 21 suitably insulated with secondary windings 40.Therefore, in coil device 10, as core 12, no
Ins. ulative material as Ni-Zn based ferrites can be only used, but also can suitably use high permeability, high magnetic flux density
And be Mn-Zn based ferrites of conductive material etc..
Skeleton 20 has the hollow cylinder 21 for accommodating core 12, the multiple flanges protruded to the outer direction from hollow cylinder 21
Portion.Skeleton 20 is made up of the excellent material of insulating properties, is constituted such as the synthetic resin by PBT, PET, LCP, PPS, but
The resin of resistance to hydrolyzable is required mostly.Or, skeleton 20 can also be constituted with ceramics.Further, in order to suitably ensure
The insulating properties of core 12 and armature winding 30 and secondary windings 40, does not preferably form through hole in the outer surface of hollow cylinder 21.
As shown in Fig. 2 and Fig. 4 A, the multiple flange parts having in skeleton 20 include from an end of hollow cylinder 21
Portion (Z axis negative direction side end) prominent the 1st flange part 23a, another end (Z axis from hollow cylinder 21 to the outer direction
Positive direction side end) prominent the 11st flange part 23k and configure to the outer direction in the 1st flange part 23a and the 11st flange part
The flange part 23j of the 2nd flange part 23b between 23k~the 10th.Multiple flange parts from the Z axis negative direction end of skeleton 20 to Z axis just
Direction end is arranged in order by the 1st flange part 23a, the 2nd flange part 23b, the flange part 23k of the 3rd flange part 23c ... the 11st.
In the outer surface of hollow cylinder 21, multiple (being in the present embodiment 7) secondary windings groove portions are formed with.
As shown in Fig. 2 in multiple secondary windings groove portions, including by the secondary clamped by the 1st flange part 23a and the 2nd flange part 23b
Winding groove portion 24a, by the secondary windings groove portion 24b clamped by the 2nd flange part 23b and the 3rd flange part 23c, by the 3rd flange
Secondary windings groove portion 24c clamped by portion 23c and the 4th flange part 23d, folded by the 5th flange part 23e and the 6th flange part 23f
The secondary windings held groove portion 24d, by the secondary windings groove portion 24e clamped by the 7th flange part 23g and the 8th flange part 23h,
By the secondary windings clamped by the 9th flange part 23i and the 10th flange part 23j with groove portion 24f and by the 10th flange part 23j with
Secondary windings groove portion 24g clamped by 11st flange part 23k.Further, the 1st flange part 23a~the 11st flange part 23k in winding
Each secondary windings groove portion 24a~24g is clipped on direction.
In secondary windings groove portion 24a~24g, include positioned at low-pressure side (Z axis positive direction side) as secondary low-voltage
The secondary windings of side groove portion is used groove portion 24f, 24g and used positioned at the on high-tension side secondary windings as secondary high pressure side groove portion
Groove portion 24a, 24b.As shown in Figure 4 A, as the secondary windings of secondary high pressure side groove portion groove portion 24a, 24b, it constitutes the secondary
Winding uses the part 1 21a and part 2 21b of the hollow cylinder 21 of groove portion 24a, 24b trench bottom radial thickness D1 to be more than
Constitute the 6th part 21f and the of the hollow cylinder 21 for the trench bottom that secondary low-voltage side groove portion is secondary windings groove portion 24a, 24b
7 part 21g radial thickness D2.Thereby, it is possible to suitably ensure the secondary windings wound on high-voltage side groove portion 24a, 24b
Secondary windings 40 and core 12 insulating properties.Furthermore it is possible to be increased by reducing the radial thickness of hollow cylinder 21 in low-pressure side
Big secondary windings groove portion 24f, 24g volume, minimizes coil device 10.
Further, constitute configuration secondary windings groove portion 24a, 24b and secondary windings use between groove portion 24f, 24g it is secondary around
Group is with groove portion 24c~24e third portion 21c, the 4th part 21d of trench bottom and the 5th part 21e radial thickness according to same
The reasons why be preferably made to radial thickness D1 less than part 1 21a and part 2 21b, and be preferably made to be more than the 6th part
21f and the 7th part 21g radial thickness D2.
As illustrated in figs. 3 and 4, in the outer surface of hollow cylinder 21, except above-mentioned secondary windings with groove portion 24a~
Multiple (being in the present embodiment 3) armature winding groove portions are also formed with outside 24g.In multiple armature winding groove portions,
Include between secondary windings groove portion 24c, 24d by the armature winding clamped by the 4th flange part 23d and the 5th flange part 23e
Used with groove portion 25a, in secondary windings between groove portion 24d, 24e by the primary clamped by the 6th flange part 23f and the 7th flange part 23g
Winding is used between groove portion 24e, 24f folded by the 8th flange part 23h and the 9th flange part 23i with groove portion 25b and in secondary windings
The armature winding held groove portion 25c.Further, secondary windings 24c~24f and the 4th flange part 23d~the 9th flange part 23i exist respectively
Armature winding groove portion 25a~25c is clipped on spool direction.
As shown in Figure 4 A, secondary windings 40 is divided into 7 secondary windings groove portion 24c~24f and is wound in skeleton 20
The outer surface of hollow cylinder 21.Configure in each secondary windings number of turns of groove portion 24a~24g secondary windings 40, columns (volume
The overlapping number of direction of principal axis), the number of plies (the overlapping number in external diameter direction) be not particularly limited, but for the purpose of ensuring that constitute it is secondary around
The viewpoint of the proof voltage reliability of the coiling of group 40, preferably order configuration is in secondary windings 40 of the secondary windings with groove portion 24c~24f
Columns be (such as following for 6 row in the present embodiment) below setting.
Secondary windings with wound on secondary low-voltage side groove portion being secondary windings groove portion 24f among groove portion 24a~24g,
The number of plies (being in the present embodiment 5 layers) of 24g secondary windings 40 preferably than wound on secondary high pressure side groove portion be it is secondary around
Group uses the number of plies (being in the present embodiment 3 layers) of groove portion 24a, 24b secondary windings 40 many.As above, in low-pressure side
The radial thickness in empty cylinder portion is small, thus by constituting the coiling of secondary windings 40 not from the flange part of the 9th flange part 23i~the 11st
The scope that 23k is protruded to the outer direction increases the number of plies of secondary windings 40, can minimize coil device 10.
As shown in Fig. 2 the 2nd flange part 23b~the 10th flange part 23j have from flange part 23b~23j outer surface to
The switch-in part 26b of internal diameter direction formation.Secondary windings 40 by switch-in part 26b, thus from 1 secondary windings with groove portion 24a~
24f is withdrawn into other secondary windings groove portions 24b~24g for being adjacent to low-pressure side.Further, convex in the 2nd flange part 23b~10th
4th flange part 23d and the 5th flange part 23e, the 6th flange part 23f and the 7th flange part 23g, the 8th flange part 23h among the 23j of edge
A pair of flanges portion for clipping armature winding groove portion 25a~25c is constituted with the 9th flange part 23i, in these flange parts 23d~23i
Between, it is provided with attachment flange portion 23 α, 23 β for being connected with each other a pair of flanges portion.
Here, in secondary windings groove portion 24c~24e and the secondary windings groove portion 24d~24f for being adjacent to its low-pressure side
Between, clip armature winding groove portion 25a~25c.Therefore, armature winding 30 of these armature windings in groove portion 25a~25c
Become near with the distance by the secondary windings 40 with these groove portions 25a~25c switch-in part 26b intersected.However, by linking
The α of attachment flange portion 23 between adjacent flange part is formed with switch-in part 26b, so that armature winding 30 can with secondary windings 40
With crossings on different level, armature winding 30 is able to suitably ensure with the insulating properties of secondary windings 40.
Further, time formed by flange part 23b, 23c, 23j and formation in the α of attachment flange portion 23 switch-in part 26b
The path of level winding 40 is formed obliquely preferably with respect to spool direction, thus, it is possible to easily in the formation secondary windings of skeleton 20
40.Further, in the example shown in Fig. 2, switch-in part 26b all tilts landform relative to spool direction in the same direction
Into.
As illustrated in figs. 3 and 4, skeleton 20 hollow cylinder 21 outer surface, armature winding 30 is divided into 3 primary
Winding is used groove portion 25a, 25b, 25c and is wound.Each armature winding number of turns of the armature winding 30 in groove portion 25a~25c
For 1, it is not particularly limited.
As shown in Fig. 2 being formed with the flange part 23i of the 3rd flange part 23c~the 9th outer surface makes armature winding 30
Armature winding the path 27a, 27b passed through.It is adjacent to armature winding path 27a, 27b and is formed with from the 3rd flange part 23c~the
Jut 28a, 28b, jut 28a, 28b prominent to the outer direction prevent armature winding on 9 flange part 23i outer surface
30 depart from from armature winding path 27a, 27b.
As being described in detail in a manufacturing method, the He of armature winding 30 in the coil device 10 involved by present embodiment
Secondary windings 40 is connected to secondary high pressure side by being connected to from the primary high pressure side end 30a for being connected to primary high pressure side terminal 60
The continuous coiling of secondary high pressure side end 40a of terminal 70 is constituted.It is used as composition armature winding 30 and secondary windings 40
Coiling be not particularly limited, can for example use enamel-covered wire as three-layer insulated electric wire.
As shown in FIG. 1 to 3, low pressure side terminal 50 is arranged on the armature winding groove portion that will clip configuration in minimal pressure side
The β of flange part 23 that 25c a pair of flanges portion 23h, 23i a part are connected with each other in peripheral part.As shown in figure 5, low pressure side
Son 50, which has, to be fixed on the armature winding 30 and boundary member BD of secondary windings 40 coiling fixed part 50a, is inserted into be formed
Insertion section 50b in the β of the attachment flange portion 23 slit and extraction unit 50c for being connected to outside.
The terminal 50 being made up of coiling fixed part 50a, insertion section 50b and extraction unit 50c is such as the conduction as metallic plate
Property sheet material is integrally formed.It is also same on terminal 60 and 70.Further, being provided with the attachment flange portion of low pressure side terminal 50
23 β can be continuously formed in the circumferential direction with being formed with the switch-in part 26b α of attachment flange portion 23, can also be in the circumferential direction
It is intermittently formed.
The coiling fixed part 50a methods for being fixed on boundary member BD are not particularly limited, for example can be by fusing
Coiling fixed part 50a is fixed on coiling by (hot riveting).According to fusion, coiling is not cut off and without removing the exhausted of coiling in advance
Edge enamel-cover, removing and the connected and fixed operation of insulation cover layer can be carried out simultaneously, it is thus possible to simplify the fixed work order of terminal.
Primary high pressure side terminal 60 is arranged on the 3rd flange part 23c of skeleton 20.Primary high pressure side terminal 60, which has, to be fixed on
The primary high pressure side end 30a of armature winding 30 primary side winding fixed part 60a, it is inserted into be formed the 3rd flange part 23c's
Insertion section 60b in the slit and extraction unit 60c for being connected to outside.Primary side winding fixed part 60a and primary high pressure
Side end 30a engagement can be carried out in the same manner as coiling fixed part 50a by fusion etc., be not particularly limited.
As shown in figure 1, low pressure side terminal 50 and primary high pressure side terminal 60 are arranged on time being formed with using switch-in part 26b
The path of level winding 40 and armature winding path 27a skeleton top (part of Y-axis positive direction side), thus, it is possible to realize utilization
Automatic coiling machine etc. is simple and the coiling that does not waste winding.
As shown in Figure 3 and Figure 5, secondary high pressure side terminal 70 is arranged in the Z axis negative direction side end of hollow cylinder 21
The 1st flange part 23a.Secondary high pressure side terminal 70 has the secondary for the secondary high pressure side end 40a for being fixed on secondary windings 40
Side coiling fixed part 70a, it is inserted into the insertion section 70b to be formed in the 1st flange part 23a slit and outer for being connected to
The extraction unit 70c in portion.Further, in the 1st flange part 23a, being formed with from the 1st flange part 23a outer surface radially inward
Switch-in part 26a, secondary windings 40 is winding to secondary windings groove portion by switch-in part 26a from primary side coiling fixed part 70a
24a。
Hereinafter, using an example of the manufacture method of open-wire line coil apparatus 10 for Fig. 1~Fig. 5.
The manufacture method of coil device 10 involved by present embodiment has respectively by terminal 50,60,70 as shown in Figure 5
It is installed on flange part 23a, 23c, 23 β of skeleton 20 process.In addition, have as shown in Fig. 1~Fig. 4 A will be around for the manufacture method
The coil of wire is around in secondary windings and forms secondary windings 40 and primary with groove portion 25a~25c with groove portion 24a~24g and armature winding
The process of winding 30.In addition, the manufacture method has fixed part 70a, the 60a difference of terminal 70,60 as shown in Figures 2 and 3
It is fixed on the both ends i.e. secondary high pressure side end 40a and primary high pressure side end 30a of coiling, and by the fixed part of terminal 50
The process that 50a is fixed on armature winding 30 and the boundary member BD of secondary windings 40.Further, the manufacture method has as shown in Figure 5
There is the process of the inside for the hollow cylinder 21 that core 12 is contained in skeleton 20.
It is installed on by terminal 50,60,70 in the process of skeleton 20, as shown in Figure 5 by the insertion of each terminal 50,60,70
Portion 50b, 60b, 70b are inserted into be formed in flange part 23 β, 23c, 23a slit.Further, in the terminal 50,60 shown in Fig. 5,
70, it is illustrated that fixed part 50a, 60a, 70a and the state of extraction unit 50c, 60c, 70c bending, but it is being installed on skeleton 20
At least a portion (particularly extraction unit 70c) of these parts can also in the way of not turning into the obstacle that winding is operated in stage
Do not bend.
In the process for forming winding 30,40, the secondary windings configured from the high-pressure side of secondary windings 40 groove portion 24a
Start to wind coiling, coiling be wound in each secondary windings from high side to low side formed with groove portion 24a~24g it is secondary around
40 (reference picture 4A) of group.After the secondary windings groove portion 24g for being wound up into low-pressure side terminates, the 10th flange part is made as shown in Figure 2
23j and the 9th flange part 23i outer surface by and by coiling it is winding to armature winding groove portion 25c.Then, from low-pressure side
Coiling is wound in each armature winding groove portion 25c, 25b, 25a to form armature winding 30 to high-pressure side.
By the fixed part 50a of terminal 50,60,70,60a, 70a is fixed in the process of coiling, by suitable to sandwich
The mode of the part of boundary member BD, primary high pressure side end 30a and secondary high pressure side end 40a in coiling is while heating
Fixed part 50a, 60a, 70a are while bend to be fixed.In such fusion process, equivalent to boundary member BD, primary
The insulation enamel-cover of coiling in high pressure side end 30a and secondary high pressure side end 40a part is removed by heating and pressurizeing.Cause
This, terminal 50 and boundary member BD conducting, terminal 60 and primary high pressure side end 30a conducting and terminal 70 and secondary
High pressure side end 40a conducting is ensured.In addition, after the fixation of terminal terminates, in primary high pressure side end 30a and secondary
High pressure side end 40a two outside cut-out coilings.Further, after coiling cut-out, as needed, bending secondary high pressure side terminal
70 extraction unit 70c.
In the process for accommodating core 12, after the core 12 shown in Fig. 5 to be inserted into the inside of hollow cylinder 21 of skeleton 20,
By the way that block 14 is arranged on into opening portion, so as to obtain the coil device 10 shown in Fig. 1.Further, the order of each process can be with
Make appropriate exchange, for example accommodating the process of core 12 can more precedingly be carried out than forming the process of winding 30,40.
Coil device 10 is being arranged on the setting unit of enclosure etc. and distribution has each terminal 50, after 60,70, passes through
Cast and be embedded in resin, or be not embedded in resin and in winding 30,40 expose in an atmosphere in the state of use.
Coil device 10 involved by above-mentioned embodiment has good reliability, and suitable for miniaturization, manufacture is also held
Easily.In addition, as shown in Figure 4 A, being changed by making the thickness of hollow cylinder 21 in high-pressure side and low-pressure side, can both being sought small-sized
Change suitably ensures the proof voltage of coil device 10 again.
In addition, the armature winding 30 and secondary windings 40 of coil device 10 are made up of a continuous coiling, thus can be with
Reduce D.C. resistance, it is easy to manufacture.In addition, as shown in figure 1, being formed favorably by flange part 23c~23i in skeleton upper side
With the path and armature winding path 27a, 27b of switch-in part 26b secondary windings 40, so as to both ensure secondary windings 40 with
The insulation distance of armature winding 30, further minimizes coil device 10.
Further, in the above-described embodiment, armature winding 30 and secondary windings 40 are made up of a continuous coiling, but
It is that armature winding 30 and secondary windings 40 can be separated from each other, can also be electrically connected via low pressure side terminal 50.In addition, each end
Son 50,60,70 is not limited to fusion with the fixing means of armature winding 30 and secondary windings 40, it would however also be possible to employ welding etc. its
His method.
2nd embodiment
Fig. 4 B are the sections for the coil device 10a for being denoted as the transformer involved by another embodiment of the invention
Figure, in addition to as shown below, with structure in a same manner as in the first embodiment, play a part of in a same manner as in the first embodiment and
Effect.Further, in the present embodiment, the component symbol common to the component imparting common with the 1st embodiment omits common
Component explanation.
In the present embodiment, as shown in Figure 4 B, in the secondary windings groove portion 24a at the Z-direction two ends positioned at core 12
And 24g, do not apply secondary windings.By so constituting, the rheology of the magnetic flux at the Z-direction two ends of core 12 can be made to obtain well,
Seek the raising of inductance.
3rd embodiment
Fig. 7 A and Fig. 7 B be as the transformer involved by the further embodiment of the present invention coil device 110 it is vertical
Body figure, in addition to as shown below, with structure in a same manner as in the first embodiment, plays a part of in a same manner as in the first embodiment
And effect.Further, in the present embodiment, for the component common with the 1st embodiment, digital latter two assign jointly
Component symbol, omits the explanation of common component.
As shown in figures 7 a and 7b, coil device 110 has skeleton 120, armature winding 130, secondary windings 140, low pressure
Side terminal 150, primary high pressure side terminal 160 and secondary high pressure side terminal 170.In addition, as shown in figs.10 and 11, line
Coil apparatus 110 has the bar-shaped core 112 being contained in the hollow cylinder 121 of skeleton 120.
Opening portion in an end for being arranged on hollow cylinder 121, is provided with for so that core 112 will not be from hollow
The block 114 come off among portion 121.Further, in another end of hollow cylinder 121, end wall and the one of hollow cylinder 121 into
Shape, so that core 112 will not fall off.In addition, armature winding 30 and secondary windings 40 not shown in fig. 11.
As shown in figure 11, block 114 has the block main body 114a of tabular, is integrally formed respectively at its X-direction two ends
There is installation sheet 114c.Mounting hole 114d is formed with installation sheet 114c and main body 114a corner.Each mounting hole 114d can block
Engaging together in the mounting recess 123ja of the flange part 123j of an end of the Z-direction for being arranged on skeleton 120 end face is convex
Portion 123jb.Accordingly it is also possible to which the binding agent that block 114 is installed on to the end of skeleton 120 need not be used for.
Core 112 has the structure same with the core 12 of the 1st embodiment.In addition, coil device 110 and coil device 10 are same
That secondary windings 140 is directly being wound in core 112 sample, but by secondary windings 140 be wound in by core 112 with it is secondary around
The outer surface for the hollow cylinder 121 that group 140 suitably insulate.
Skeleton 120 has the hollow cylinder 121, prominent multiple convex to the outer direction from hollow cylinder 121 for accommodating core 112
Edge.Skeleton 120 is made up of in the same manner as skeleton 20 the excellent material of insulating properties.As shown in FIG. 8 and 9, in hollow cylinder 121,
Multiple flange part 123a~123j protruded to the outer direction are sequentially formed with from an end (Z axis negative direction side end).
As shown in figs, in the outer surface of hollow cylinder 121, it is formed with the convex of multiple protrusions to the outer direction
Edge 123a~123j, thus it is formed between these flange parts 123a~123j the groove for winding or allowing coiling to pass through
Portion.Formed groove portion 124a between flange part 123a and flange part 123b neither wind armature winding and also wind it is secondary around
Group, the switch-in part 126a that the winding end portion 140a of secondary windings is formed only by formation in flange part 123a and 123b,
126b is blocked.In addition, forming the groove portion 124b between flange part 123b and flange part 123c1, wound plural turns turn into
The coiling of high-pressure side secondary windings 140.
In addition, forming groove portion 125 between flange part 123c1 and flange part 123c2, do not wind as it is secondary around
Any one of the coiling of group 140 or the coiling as armature winding 130.Formed in flange part 123c2 and flange part
Groove portion 124c between 123d, wound plural turns turn into the coiling of secondary windings 140.Formed in flange part 123d and flange part
Groove portion 125a between 123e, winding only about 1 circle turns into the coiling of secondary windings 130.
In addition, forming groove portion 124d between flange part 123e and flange part 123f, wound plural turns turn into it is secondary around
The coiling of group 140.The groove portion 125b between flange part 123f and flange part 123g is being formed, winding only about 1 circle turns into primary
The coiling of winding 130.Forming groove portion 124e between flange part 123g and flange part 123h, wound plural turns turn into it is secondary around
The coiling of group 140.In the groove portion 125c being formed between flange part 123h and flange part 123i, winding only about 1 circle turns into primary
The coiling of winding 130.Forming groove portion 124f between flange part 123i and flange part 123j, wound plural turns turn into it is secondary around
The coiling of group 140.
I.e., in the present embodiment, 5 secondary windings groove portion 124b~124f are formed with along Z-direction, at them
Between be formed with 3 armature winding groove portion 125a~125c.In secondary windings groove portion 124b~124f, include positioned at low
Press the secondary windings as secondary low-voltage side groove portion of side (Z axis negative direction side) with groove portion 124f and make positioned on high-tension side
For the secondary windings groove portion 124b of secondary high pressure side groove portion.In the present embodiment, the thickness of hollow cylinder 121 is along Z axis
Direction is constant.The thickness of hollow cylinder 121 is not particularly limited, but in the thickness D2 of the hollow cylinder 21 shown in Fig. 4 A
~D1 scope is constant.
As above, in the present embodiment, in the outer surface of hollow cylinder 121, except above-mentioned secondary windings is used
Outside groove portion 124a~124f, multiple (being in the present embodiment 3) armature winding groove portion 125a~125c are also formed with.
The outer surface of hollow cylinder 121 in skeleton 120, secondary windings 140 be divided into 5 secondary windings groove portion 124b~
124f is wound.Configure the number of turns of secondary windings 140 in each secondary windings groove portion 124b~124f, columns (spool side
To overlapping number), the number of plies (the overlapping number in external diameter direction) be not particularly limited, preferably constitute in the following fashion.
I.e., as shown in Figure 10, configuration the two ends of Z-direction secondary windings with groove portion 124b and 124f it is secondary around
Group 140 the number of plies and the number of turn preferably with configure Z-direction central portion secondary windings with groove portion 124c~124e each
The number of plies of secondary windings 140 compare and to lack with the number of turn.By so constituting, it is thus identified that can improve as coil device
Inductance.
In addition, in the present embodiment, being worked as in configuration in the secondary windings of Z-direction central portion with groove portion 124c~124e
In configuration high-pressure side secondary windings with the columns of groove portion 124c and 124d each secondary windings 140 preferably with low-pressure side
Secondary windings is with groove portion 124e columns compared to more more.Further, configuration is in high-pressure side secondary windings groove portion 124c and 124d
Each secondary windings 140 the number of plies preferably can comparatively with low-pressure side secondary windings groove portion 124e number of plies phase
Deng.
In addition, in the present embodiment, by increasing the secondary windings groove portion in configuration in the central portion of Z-direction
Configuration among 124c~124e, can in the number of turn of the secondary windings with groove portion 124d and 124e each secondary windings 140
Improve the coefficient of coup of armature winding 130 and secondary windings 140.Reason is that secondary windings groove portion 124d and 124e are primary
Winding groove portion 125a~configured clamped by 125c.
In addition, in the present embodiment, as shown in Figure 10 at the Z-direction two ends of core 112, preferably there is the He of armature winding 30
The both of which of secondary windings 140 do not wound without wrapping range.The length L1 and L2 and core of these Z-directions without wrapping range
112 total length L0 compares preferably 1~12% (one side).That is, L1/L0 is preferably that 0.01~0.12 or L2/L0 is preferably
0.01~0.12.Further, the total length of core 112 is the total length equal extent with the core 12 of the 1st embodiment.
By so constituting, the rheology of the magnetic flux at the two ends of core 112 can be made to obtain the inductance for well improving coil device 110
(L values), it is possible to reduce the number of total coils in secondary windings 140.By reducing the number of turns, D.C. resistance can be reduced, with the 1st embodiment party
Formula, which is compared, can also relatively reduce the line footpath of coiling.In addition, in the present embodiment, can further simplify the construction of core apparatus,
The reliability of coil device is favorably improved, and also improves manufacture efficiency.
As shown in figure 8, respectively between a pair of flanges portion 123d and 123e by armature winding 130, a pair of flanges portion
Between 123f and 123g, between a pair of flanges portion 123h and 123i, it is respectively formed with the α of attachment flange portion 123.In each flange connector
The α of portion 123, is formed with the switch-in part 126b for getting in touch with adjacent secondary windings groove portion.Set by each α of attachment flange portion 123
Between armature winding 130 and secondary windings 140, so that the insulating properties of armature winding 30 and secondary windings 40 is able to suitably really
Protect.
Further, the flange part that switch-in part 126b can also be formed beyond the α of attachment flange portion 123, by these switch-in parts
The path of the secondary windings 40 of 126b formation is formed obliquely preferably with respect to spool direction, thus, it is possible to easy in skeleton 120
Ground formation secondary windings 140.Further, in the example shown in Fig. 8, switch-in part 126b is all in same direction relative to spool
Direction is formed obliquely.
As shown in figure 8, armature winding 130 is divided into 3 armature winding groove portion 125a, 125b, 125c is wound.Respectively
Armature winding is about 1 with the number of turns (number of turn) of the armature winding 30 in groove portion 125a~125c, but is not particularly limited.
Armature winding the path 127a, 127b for passing through armature winding 130 are formed with flange part 123c2~123i outer surface.
It is formed with and is adjacent to armature winding path 127a, 127b and from flange part 123c2~flange part 123i outer weekly form
Jut 128a, 128b, jut 128a, 128b prominent to the outer direction prevent armature winding 130 from armature winding on face
Path 127a, 127b disengaging.In the present embodiment, jut 128a, 128b are with from flange part 123c2~flange part 123i's
The mode prominent to the top of Y direction is formed on outer surface so that by armature winding path 127a, 127b it is primary around
Group 130 do not contacted with secondary windings 140 and with the top crossings on different level of the Y direction of secondary windings 140.
Further, the flange part 123j in the end positioned at Z-direction is also formed with jut 128c, so as to will be wound in secondary
Level winding is guided with groove portion 124f secondary windings 140 around end towards low pressure side terminal 150a.Involved by present embodiment
Coil device 110, also in a same manner as in the first embodiment, armature winding 130 and secondary windings 140 are by from being connected to primary height
Press the primary high pressure side end 130a to the secondary high pressure side end 140a for being connected to secondary high pressure side terminal 170 of side terminal 160
A continuous coiling is constituted.It is not particularly limited as the coiling for constituting armature winding 130 and secondary windings 140, example
The enamel-covered wire as can use three-layer insulated electric wire.
Low pressure side terminal 150 is arranged on the armature winding groove portion 125c a pair of flanges that will clip configuration in minimal pressure side
The β of attachment flange portion 123 that portion 123h, 123i a part are connected with each other.As shown in figure 11, low pressure side terminal 150, which has, fixes
Coiling fixed part 150a in the armature winding 130 shown in Fig. 8 and the boundary member BD of secondary windings 140, it is inserted into be formed
Insertion section 150b in the β of the attachment flange portion 123 slit and extraction unit 150c for being connected to outside.Fixed by coiling
The terminal 150 that portion 150a, insertion section 150b and extraction unit 150c are constituted is integrally formed such as the electric conductivity sheet material as metallic plate.Close
In terminal 160 and 170 be also same.
The coiling fixed part 150a methods for being fixed on boundary member BD are not particularly limited, for example, can be melted by laser
Connect or fuse (hot riveting) and coiling fixed part 150a is fixed on coiling.According to laser welding or fusion, without cutting off coiling
And without removing the insulation enamel-cover of coiling in advance, removing and the connected and fixed operation of insulation cover layer can be carried out simultaneously, because
And the fixed work order of terminal can be simplified.
Primary high pressure side terminal 160 is arranged on to be formed between the flange part 123c1 in skeleton 120 and flange part 123c2
The β of attachment flange portion 123.Primary high pressure side terminal 160 is with the primary high pressure side end 130a's for being fixed on armature winding 130
Primary side winding fixed part 160a, it is inserted into the insertion section 160b to be formed in the β of attachment flange portion 123 slit and is used for
It is connected to the extraction unit 160c of outside.Primary side winding fixed part 160a and primary high pressure side end 130a engagement is consolidated with coiling
Determining portion 150a can similarly be carried out by laser welding and fusion etc., be not particularly limited.
It is formed with as shown in figure 8, low pressure side terminal 150 and primary high pressure side terminal 160 are arranged on by switch-in part 126b structures
Into secondary windings 140 path and armature winding path 127a skeleton top (part of Y-axis positive direction side), thus with regard to energy
It is enough to realize using the simple of automatic coiling machine etc. and the coiling that does not waste is winding.
As shown in figure 11, secondary high pressure side terminal 170 is arranged on the flange of the Z axis negative direction side end of hollow cylinder 121
Portion 123a.Secondary high pressure side terminal 170 has the primary side coiling for the secondary high pressure side end 140a for being fixed on secondary windings 140
Fixed part 170a, it is inserted into the insertion section 170b to be formed in flange part 123a slit and for being connected to taking out for outside
Go out portion 170c.Further, as shown in Figure 7 B, being formed with flange part 123a from flange part 123a outer surface radially inward
Switch-in part 126a, the switch-in part 126b from flange part 123b outer surface radially inward is formed with flange part 123b.It is secondary
Level winding 140 is winding to secondary windings groove portion by these switch-in parts 126a and 126b from primary side coiling fixed part 170a
124b。
Manufacture method, application method, other variations and other effects of coil device 110 and effect are implemented with the 1st
Mode is same, thus the description thereof will be omitted.
Claims (10)
1. a kind of coil device, it is characterised in that：
Possess：
Bar-shaped core；
Skeleton, it has the hollow cylinder for accommodating the core and the multiple flanges protruded to the outer direction from the hollow cylinder
Portion；
Secondary windings, it is held between the flange part, be divided into be formed the hollow cylinder outer surface it is multiple
Secondary windings groove portion and be wound；
Armature winding, it, with being clamped by the flange part between groove portion, is divided into being formed in the hollow in the secondary windings
Multiple armature winding groove portions of the outer surface in portion and be wound；
Low pressure side terminal, it is arranged on any one of flange part, is connected to the armature winding and the secondary windings；
Primary high pressure side terminal, it is arranged on any one of flange part, is connected with the primary high pressure side of the armature winding
End；And
Secondary high pressure side terminal, it is arranged on any one of flange part, is connected with the secondary high pressure side of the secondary windings
End,
Multiple flange parts, which are included, will clip one of flange part described in a pair of any one of armature winding groove portion
The attachment flange portion that split-phase connects,
The attachment flange portion formation switch-in part, and the secondary windings is by the switch-in part,
The top crossings on different level of the armature winding and the secondary windings by the switch-in part.
2. coil device as claimed in claim 1, it is characterised in that：
In at least one end of the long side direction of the core, the region for not winding the secondary windings there are.
3. coil device as claimed in claim 1 or 2, it is characterised in that：
In multiple secondary windings groove portions, include secondary low-voltage side groove portion and than the secondary low-voltage side groove portion more to
The radial thickness of high-pressure side and the hollow cylinder secondary high pressure side groove portion thicker than the secondary low-voltage side groove portion.
4. coil device as claimed in claim 3, it is characterised in that：
The number of plies of the secondary windings of the secondary low-voltage side groove portion is wound in than being wound in the secondary high pressure side groove portion
The number of plies of the secondary windings is more.
5. coil device as claimed in claim 1 or 2, it is characterised in that：
The armature winding and the secondary windings are by continuous from the primary high pressure side end to the secondary high pressure side end
Coiling constitute.
6. coil device as claimed in claim 5, it is characterised in that：
The low pressure side terminal has the armature winding and the secondary windings being fixed on using fusion among the coiling
Boundary member coiling fixed part.
7. coil device as claimed in claim 1 or 2, it is characterised in that：
The secondary high pressure side terminal is arranged on an end from the hollow cylinder among multiple flange parts to institute
State the 1st flange part of external diameter direction protrusion.
8. coil device as claimed in claim 1 or 2, it is characterised in that：
The low pressure side terminal is arranged on the attachment flange portion.
9. coil device as claimed in claim 1 or 2, it is characterised in that：
With being formed on the outer surface of the flange part and the armature winding path that passes through the armature winding.
10. coil device as claimed in claim 1 or 2, it is characterised in that：
Be wound in be located at the core long side direction central portion the secondary windings groove portion secondary windings winding
The number of plies compares, and is wound in the volume of the secondary windings of the secondary windings groove portion of the end of long side direction positioned at the core
It is few around the number of plies.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013211637 | 2013-10-09 | ||
| JP2013-211637 | 2013-10-09 | ||
| JP2014-132353 | 2014-06-27 | ||
| JP2014132353A JP6344089B2 (en) | 2013-10-09 | 2014-06-27 | Coil device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104576000A CN104576000A (en) | 2015-04-29 |
| CN104576000B true CN104576000B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410528524.8A Active CN104576000B (en) | 2013-10-09 | 2014-10-09 | Coil device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6344089B2 (en) |
| CN (1) | CN104576000B (en) |
| DE (1) | DE102014114610B4 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979087B (en) * | 2015-07-16 | 2017-03-08 | 沈阳理工大学 | A kind of inductor that can be worked nothing magnetic saturation phenomenon under high voltages |
| EP3131101A1 (en) * | 2015-08-12 | 2017-02-15 | Mahle International GmbH | Coil former for an electrical coil, electrical coil comprising such a coil former |
| JP6424910B2 (en) * | 2017-02-15 | 2018-11-21 | Tdk株式会社 | Coil device |
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| CN101499365A (en) * | 2008-02-03 | 2009-08-05 | 达方电子股份有限公司 | Transformer, light tube driving device employing the same and its assembling method |
| CN101952913A (en) * | 2008-02-20 | 2011-01-19 | 皇家飞利浦电子股份有限公司 | High voltage transformer with space-saving primary windings |
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| JP3033031B2 (en) * | 1991-02-14 | 2000-04-17 | 株式会社キジマ | Small transformer winding method |
| JPH0582032U (en) * | 1992-04-06 | 1993-11-05 | 東京コイルエンジニアリング株式会社 | Trigger coil |
| JPH11162760A (en) * | 1997-12-01 | 1999-06-18 | Toshiba Tec Corp | Discharge lamp stabilizer |
| JPH11307373A (en) * | 1998-04-23 | 1999-11-05 | Hanshin Electric Co Ltd | High-voltage generating coil |
| JP2000208339A (en) * | 1999-01-18 | 2000-07-28 | Tokyo Parts Ind Co Ltd | Coil bobbin of high-voltage transformer |
| WO2000064221A1 (en) * | 1999-04-15 | 2000-10-26 | Mitsubishi Denki Kabushiki Kaisha | Device for firing discharge lamp |
| JP2000331850A (en) * | 1999-05-17 | 2000-11-30 | Sumida Corporation | High-voltage generating coil |
| JP3422287B2 (en) * | 1999-05-26 | 2003-06-30 | 松下電器産業株式会社 | Ignition transformer |
| EP1311143B1 (en) * | 2000-08-17 | 2006-04-26 | Mitsubishi Denki Kabushiki Kaisha | Device for lighting discharge lamp |
| JP4447621B2 (en) * | 2000-08-18 | 2010-04-07 | 三菱電機株式会社 | Lamp transformer |
| JP2002313649A (en) * | 2001-04-16 | 2002-10-25 | Ikeda Electric Co Ltd | Coil bobbin |
| JP2004228229A (en) * | 2003-01-21 | 2004-08-12 | Kazuo Kono | Wire-wound transformer |
| JP2005322799A (en) * | 2004-05-10 | 2005-11-17 | Sony Corp | Trigger coil, flash generating circuit, and imaging device |
| JP4587930B2 (en) * | 2005-10-13 | 2010-11-24 | ソニー株式会社 | Bobbin, trigger coil, trigger coil manufacturing method, flash unit, and flash unit manufacturing method |
| JP4795427B2 (en) * | 2006-03-13 | 2011-10-19 | 三菱電機株式会社 | High voltage generation transformer for discharge lamp lighting device |
| DE102007025421B4 (en) | 2007-05-31 | 2009-07-30 | Vogt Electronic Components Gmbh | Ignition transformer and ignition module |
| DE102010040454A1 (en) * | 2010-09-09 | 2012-01-19 | Osram Ag | Transformer for assembling in base of high pressure discharge lamp, has housing comprising bar that is spaced at distance away from outer side, where bar is arranged between high voltage terminal and winding with metal strip |
-
2014
- 2014-06-27 JP JP2014132353A patent/JP6344089B2/en active Active
- 2014-10-08 DE DE102014114610.7A patent/DE102014114610B4/en active Active
- 2014-10-09 CN CN201410528524.8A patent/CN104576000B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499365A (en) * | 2008-02-03 | 2009-08-05 | 达方电子股份有限公司 | Transformer, light tube driving device employing the same and its assembling method |
| CN101952913A (en) * | 2008-02-20 | 2011-01-19 | 皇家飞利浦电子股份有限公司 | High voltage transformer with space-saving primary windings |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014114610A1 (en) | 2015-04-09 |
| JP6344089B2 (en) | 2018-06-20 |
| DE102014114610B4 (en) | 2019-05-23 |
| CN104576000A (en) | 2015-04-29 |
| JP2015097250A (en) | 2015-05-21 |
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