CN107342160A - The manufacture method of electromagnetic inductor and electromagnetic inductor - Google Patents
The manufacture method of electromagnetic inductor and electromagnetic inductor Download PDFInfo
- Publication number
- CN107342160A CN107342160A CN201710288398.7A CN201710288398A CN107342160A CN 107342160 A CN107342160 A CN 107342160A CN 201710288398 A CN201710288398 A CN 201710288398A CN 107342160 A CN107342160 A CN 107342160A
- Authority
- CN
- China
- Prior art keywords
- main part
- coil
- lead
- terminal
- terminal board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F37/00—Fixed inductances not covered by group H01F17/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
-
- 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
- H01F27/2828—Construction of conductive connections, of leads
-
- 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
-
- 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
- H01F27/292—Surface mounted devices
-
- 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
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
-
- 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
-
- 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
- H01F2027/297—Terminals; Tapping arrangements for signal inductances with pin-like terminal to be inserted in hole of printed path
Abstract
The present invention, which provides, prevents short-circuit and smallerization electromagnetic inductor.Electromagnetic inductor possesses：Main part, for wound around coil；Flange part, from the axial end of main part to radial direction, outside extends；Terminal board, extend in the leading section of flange part along the axially vertical direction with main part, and be provided with the multiple terminals being connected with coil；Coil, it is wound into main part, multiple terminals respectively constitute bending L-shaped at a right angle, and it is arranged along the bearing of trend of terminal board, respective one end of multiple terminals protrudes from the face of the side opposite with being configured with main part side of terminal board, formed with wiring groove between one group of adjacent two terminal in multiple terminals of terminal board, the lead-out wire of coil and the axial direction from main part along main part by being drawn out to the outside of terminal board in wiring groove, clip respective one end of adjacent two terminal for the wiring groove that lead-out wire passes through, the bending in a manner of embracing lead-out wire from both sides, and connected by welding.
Description
Technical field
The present invention relates to the manufacture method of a kind of electromagnetic inductor and electromagnetic inductor, is particularly directed to substrate installation
The manufacture method of the electromagnetic inductor and electromagnetic inductor of transformer and/or choking-winding.
Background technology
In the past, part as electrical equipment etc., known having are assembled in the base of circuit board (printed circuit board)
The transformer of plate installation.The transformer of substrate installation includes the coil rack of tubular, and is twined around the axle of coil rack
Primary coil (winding) and secondary coil are wound with, is insulated between two coils by winding such as insulating cement and bringing.Coil bone
Frame possesses multiple terminals of the end (end) of the lead-out wire of connection coil, and the plurality of terminal respectively becomes the change of substrate installation
The primary side terminal or secondary side terminal of depressor.So, coil is connected to via coil rack possessed terminal and is arranged on cloth
Connection pan portion of the conductive path of line substrate etc..
For example, Patent Document 1 discloses including by the main part of cylindrical shape, be respectively arranged at the flange part at its both ends
The electromagnetic inductor of the substrate installation of integrally formed coil rack with terminal board.Electromagnetic inductor, which also serves as transformer, to be made
With.Multiple terminals in the end of lead-out wire of each terminal board formed with connection coil in a manner of forming a line.The plurality of end
Son is inserted into circuit board and is connected with the part on the circuit board.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2016-31978 publications
The content of the invention
Technical problem
In recent years, with miniaturization of electrical equipment etc., it is desirable to electromagnetic inductor smallerization as described above.The opposing party
Face, in recent years, due to the high capacity of Switching Power Supply being installed on circuit board, in the electricity that the coil of electromagnetic inductor circulates
Stream becomes much larger.Therefore, it is necessary to further overstriking (or number of conductors used in increase) litz wire etc. used in coil
Wire.In the past, when the lead-out wire of coil is connected into coil rack possessed terminal, by the way that lead-out wire is wound into terminal
Welded afterwards to be attached.With the overstriking of lead-out wire (wire), majority of case is by two adjacent terminals
Circuit as a lead-out wire uses.In the case, welded due to lead-out wire is wound into each terminal, so
The part majority for being wound into terminal can be to the outside projection of two terminals.Therefore, according to prevent short circuit viewpoint, it is necessary to expand line
Distance between ring framework possessed terminal.
So, electromagnetic inductor is required to minimize, on the other hand as the distance between the terminal of spread loop skeleton
As a result, the problem of overall change is big such be present.The present invention completes to solve such problem, and its object is to provide
Prevent short circuit, and the electromagnetic inductor of smallerization.
Technical scheme
To achieve these goals, the present invention provides a kind of electromagnetic inductor, it is characterised in that possesses：Main part, it is used for
Wound around coil；Flange part, from the axial end of the main part to radial direction, outside extends；Terminal board, in the flange part
Leading section extends along the axially vertical direction with the main part, and is provided with the multiple terminals being connected with coil；Coil, winding
To the main part, bearing of trend of the multiple terminal along the terminal board is arranged, and at least one in the multiple terminal
Partial multiple terminals respectively constitute bending L-shaped at a right angle, respective one end of at least one of multiple terminals
Protruded from the face of the side opposite with being configured with the main part side of the terminal board, described in the terminal board at least
Between one group of adjacent two terminal in multiple terminals of a part, formed with for by the lead-out wire of the coil from described
For axial lead of the main part along the main part to the wiring groove in the outside of the terminal board, the lead-out wire of the coil passes through institute
State in wiring groove and be drawn out to the outside of the terminal board along the axial direction of the main part from the main part, clip the quilt
Respective described one end of two adjacent terminals of the wiring groove that lead-out wire passed through of extraction, to be embraced from both sides
The mode bending for the lead-out wire being brought out is stated in residence, and is connected by welding with the lead-out wire being brought out.
According to the present invention formed in this wise, the lead-out wire of coil of main part is wound into by forming the cloth in terminal board
In the wire casing and axial direction from main part along main part is drawn out to the outside of terminal board, clips adjacent two end of the wiring groove
Son the bending in a manner of the lead-out wire being brought out is embraced from both sides of respective one end, and by weld come with the extraction being brought out
Line connects.Thereby, it is possible to which the lead-out wire for the coil being brought out not to be wound into the one end for two terminals for clipping wiring groove, and
The inner side of two terminals electrically connects and is fixed with two terminals.Further, since two terminals of wiring groove can clipped
Inner side welded, so compared with lead-out wire is wound into each terminal and carries out welded structure, solder can be reduced
Heaved on the outside of to two terminals, and can be configured to that short circuit can be avoided.
In addition, in the present invention, it is preferred to, respective described one end of two adjacent terminals is from the terminal board
Prominent length is longer than the half of the length between two adjacent terminals.
According to the present invention formed in this wise, by the way that the length of one end of the terminal protruded from terminal board is configured to than folder
Wiring groove and the half of length between two adjacent terminals length, one end of the terminal of bending can be made more stably to embrace
Pass through the lead-out wire being brought out in wiring groove.
In addition, to achieve these goals, the present invention provides a kind of manufacture method of electromagnetic inductor, it is characterised in that
By the way that coil is installed on into coil rack to manufacture, the coil rack possesses the electromagnetic inductor：Main part, for winding
Coil；Flange part, from the axial end of the main part to radial direction, outside extends；Terminal board, in the front end of the flange part
Portion extends along the axially vertical direction with the main part, and is provided with the multiple terminals being connected with coil, the multiple terminal
It is arranged along the bearing of trend of the terminal board, at least one of multiple terminals in the multiple terminal respectively constitute folding
Curve the L-shaped at right angle, respective one end of at least one of multiple terminals is from the terminal board with configuring
The face for stating the opposite side in main part side protrudes, one group at least one of multiple terminals of the terminal board
Between two adjacent terminals, formed with for by the lead-out wire of the coil from the main part along the axial direction of the main part
The wiring groove in the outside of the terminal board is drawn out to, the manufacture method includes：The step of coil is wound into the main part；
By the lead-out wire of the coil by the wiring groove and from the main part along the axial lead of the main part to described
The step of outside of terminal board；Described adjacent two of the wiring groove that lead-out wire passed through being brought out described in clipping
Respective described one end of terminal, the bending in a manner of embracing the lead-out wire being brought out from both sides, and by weld come with
The step of lead-out wire being brought out connects.
According to the present invention formed in this wise, the terminal that the lead-out wire of the coil of main part passes through coil rack will be wound into
In wiring groove possessed by platform and the axial lead from main part along main part and will clip the wiring groove to the outside of terminal board
Adjacent two terminal the bending in a manner of the lead-out wire being brought out is embraced from both sides of respective one end, by weld come with
The lead-out wire connection being brought out, so as to manufacture electromagnetic inductor.Thereby, it is possible to be not wound into the lead-out wire for the coil being brought out
One end of two terminals of wiring groove is clipped, and is fixed temporarily with two termination contacts and in the inner side of two terminals,
Then, electrically connect and be fixed with two terminals.
Technique effect
In accordance with the invention it is possible to providing prevents short-circuit and smallerization electromagnetic inductor.
Brief description of the drawings
Fig. 1 is the stereogram of the electromagnetic inductor of an embodiment of the invention.
Fig. 2 be an embodiment of the invention installation coil before coil rack terminal board A stereogram.
Fig. 3 be an embodiment of the invention installation coil before coil rack terminal board A front view.
Fig. 4 is the state that the lead-out wire of the primary coil in the electromagnetic inductor of an embodiment of the invention is brought out
Under coil rack terminal board A stereogram.
Fig. 5 is that the lead-out wire of the primary coil in the electromagnetic inductor of an embodiment of the invention is temporarily fixed
The terminal board A of coil rack under state stereogram.
Fig. 6 is that the lead-out wire of the primary coil in the electromagnetic inductor of an embodiment of the invention is temporarily fixed
The terminal board A of coil rack under state front view.
Fig. 7 is the lead-out wire of the primary coil in the electromagnetic inductor of an embodiment of the invention compared with the past
The terminal board A of coil rack in the state of being connected by welding front view.
Fig. 8 is that the lead-out wire of the primary coil in the electromagnetic inductor of the variation of an embodiment of the invention is faced
When fix in the state of coil rack terminal board A front view.
Fig. 9 be in the electromagnetic inductor of an embodiment of the invention installation coil before coil rack terminal board
B front view.
Symbol description
1：Electromagnetic inductor
10：Coil rack
11：Main part
12：Flange part
13：Terminal board A
13a：Basal part
13b：Wiring groove
14：Terminal board B
14a：Basal part
14b：Wiring groove
15：Inserting hole
16、17：Terminal
16a、17a：One end
16b、17b：The other end
20：Coil
21：Primary coil
22：Secondary coil
23：Solder
Embodiment
Hereinafter, embodiments of the present invention are illustrated based on accompanying drawing.It should illustrate, as long as no especially explaining,
Same-sign represents same or equivalent part in each figure, in addition, for convenience, exists so that the transverse direction of part or part and vertical
To contraction scale situation about being indicated from actual different mode.
Fig. 1 is the stereogram of the electromagnetic inductor 1 of an embodiment of the invention.Electromagnetic inductor 1 has coil bone
Frame 10 and the coil 20 for being wrapped in coil rack 10.It should illustrate, in each figure including Fig. 1, for the purpose of simplifying the description, show
The reference axis in x directions perpendicular to one another, y directions and z directions.
Coil rack 10 possesses the main part 11 for wound around coil 20, formed in the axial direction of main part 11 (x directions)
The flange part 12 at both ends and be respectively formed at both ends flange part 12 terminal board A 13 and terminal board B 14, these structures
Key element is one of the forming.Flange part 12 is centered on the axial direction of main part 11 to radius from the axial both ends of main part 11
The direction extension in the outside in direction.But coil rack 10 can also be by above-mentioned each structural element of separation by pasting, it is solid
Determine and be integrally constituted.The insulative resin such as with polyethylene terephthalate (PET), phenol (PF) of coil rack 10
To make.
Coil rack 10 has along main part 11 axially through main part 11 and the inserting hole 15 of flange part 12.The present invention
An embodiment electromagnetic inductor 1 by the way that magnetic core to be inserted into the inserting hole of coil rack 10 and is fixedly mounted,
So as to be used as substrate installation with the transformer of (substrate insertion is used).But it is also possible to suitable for choking-winding etc..
Coil 20 includes one or more primary coils 21 and one or more secondary coils 22.For the purpose of simplifying the description, scheme
1 shows the state before terminal board A 13 terminal connects the lead-out wire of primary coil 21, it is to be understood, however, that actual electricity
The lead-out wire of the primary coil 21 of magnetic inductor 1 is connected to terminal board A 13 terminal as described later.
In an embodiment of the invention, due to primary coil 21 lead-out wire connecting object and secondary coil 22
The connecting object of lead-out wire be in a ratio of low-voltage, so wire used in primary coil 21 needs to be made than secondary coil 22
Wire sets slightly.For example, the lead-out wire of primary coil 21 connecting object be 12V input, and secondary coil
In the case that the connecting object of 22 lead-out wire is 100V output, the lead-out wire of primary coil 21 is used in primary coil
The cross-sectional area or quantity of wire need to increase or increase about 8 times or so to the lead-out wire of secondary coil 22.However, it is possible to
So that primary coil 21 as output (secondary coil), to be used using secondary coil 22 as input (primary coil).
Fig. 2 be install coil 20 before coil rack 10 terminal board A 13 stereogram, Fig. 3 is its front view.Terminal
Platform A 13 possess leading section in flange part 12 along and main part 11 axially vertical direction (y directions) extension and with primary line
Multiple terminals 16 of the lead-out wire connection of circle 21.In addition, terminal board A13 has in base part substrate prominent as convex eaves
Portion 13a, basal part 13a turn into contact surface when installing magnetic core.
Each terminal 16 substantially constitutes bending L-shaped at a right angle, and along terminal board A 13 bearing of trend (y side
To) be arranged and install.Preferably, a part for terminal 16 penetrates terminal board A 13 and is installed on terminal board A 13.For example,
The dogleg section of the L-shaped of terminal 16 is implanted in terminal board A 13, and so that two ends protrude from terminal board A 13
Mode install.
In each terminal 16, one end 16a of terminal 16 is opposite with being configured with the side of main part 11 from terminal board A 13
Side face protrude.Preferably, one end 16a is protruded (along+x directions along the axially substantially parallel direction with main part 11
It is prominent).In addition, in each terminal 16, the other end 16b of terminal 16 is from terminal board A 13 with being configured with the side of inserting hole 15
The face of opposite side protrudes.Preferably, bearing of trends of the other end 16b along axial direction and terminal board A 13 with main part 11 is real
Vertical direction protrudes and (protruded along+z directions) in matter.
One end 16a is connected with the lead-out wire of primary coil 21, other end 16b be inserted into circuit board and with the circuit board
On part connection.As it was previously stated, wire (lead-out wire) is needed than used in secondary coil 22 used in primary coil 21
Wire (lead-out wire) sets slightly.Therefore, it is as in the past, in order to ensure the terminal 16 being connected with the lead-out wire of primary coil 21
Cross-sectional area, the lead-out wire of a primary coil 21 is connected to two adjacent terminals 16, and by connected two ends
Son 16 uses as being connected to a circuit of circuit board.
In one example, wire used in coil 20 is one or more litz wire for being generally used for high frequency electric.
In another example, for the desired electric current that circulates, and 120 0.2 φ profit is connected in two adjacent terminals 16
Hereby line.So, by using more litz wires, the wiring compared with using a heavy gauge wire with flexibility can be obtained.But
It is that coil 20 can use all leads.For example, one or more single line can be used in coil 20.
Two adjacent terminals 16 of the lead-out wire for being connected to a primary coil 21 as described above are it is contemplated that one group of end
Son is to 16 '.In the case, multiple terminals 16 of an embodiment of the invention are configured to include multiple terminals to 16 '.But
It is that terminal is to concept that 16 ' be the position relationship for illustrate adjacent terminal 16, it shall be noted that forms terminal and two of 16 ' are held
Son 16 is not electrically connected inside terminal board A 13.
Formed with for by primary coil 21 between terminal board A 13 two terminals 16 of each terminal of composition to 16 '
Axial lead (wiring) of the lead-out wire from main part 11 along main part 11 to terminal board A 13 outside (+x directions) wiring
Groove 13b.Wiring groove 13b has the width for the lead-out wire that can accommodate a primary coil 21.
Fig. 4 is the stereogram of the terminal board A 13 in the state of Fig. 1, shows that the lead-out wire of primary coil 21 passes through wiring groove
Terminal board A 13 in the state of being brought out in 13b.As illustrated, primary coil 21 is wrapped in main part 11, primary coil
21 lead-out wire from main part 11 along the axial direction of main part 11 in wiring groove 13b by being drawn out to the outer of terminal board A 13
Side.The end (end) of the lead-out wire is located at and one end 16a identicals side relative to terminal board A 13.
In the case where primary coil 21 includes multiple primary coils 21, in main part 11, different terminals is connected to
To being insulated between 16 ' primary coil 21 by winding such as insulating cement and bringing.In addition, secondary coil 22 similarly twines
Main part 11 is wound on, and is insulated by winding such as insulating cement and bringing with primary coil 21.
Fig. 5 is the terminal board A 13 from the state shown in Fig. 4 by the lead-out wire of primary coil 21 in the state of temporarily fixed
Stereogram, Fig. 6 is its front view.As illustrated, form clip wiring groove 13b terminal to 16 ' two terminals 16 one
End 16a bendings in a manner of being embraced from both sides by the lead-out wire that is brought out in wiring groove 13b.By using such knot
Structure, in the present embodiment, the lead-out wire of primary coil 21 can not be wound into two terminals 16 clipping wiring groove 13b
One end 16a, and the lead-out wire of primary coil 21 and two terminals 16 are contacted, and it is temporarily fixed at the inner side of two terminals 16.
Fig. 7 be primary coil 21 lead-out wire by welding and terminal board A 13 front view that connects, for it is conventional
Electromagnetic inductor in the lead-out wire of primary coil 21 be compared by welding and the terminal board A 113 connected.Conventional
Although electromagnetic inductor possesses the terminal board A 113 with the same shapes of terminal board A 13 of an embodiment of the invention, but
It is as shown in fig. 7, the lead-out wire of primary coil 21 is wound into one end 16a of two terminals 16, is then entered by applying solder 23
Row is welded and connected.On the other hand, in present embodiment, as shown in fig. 7, the lead-out wire of primary coil 21 with to embrace the extraction
One end 16a of two terminals 16 of the mode bending of line is welded to connect by applying solder 23.
By using such structure, in the present embodiment, the primary coil 21 that will can be connected up in wiring groove 13b
Lead-out wire electrically connect and be fixed with clipping wiring groove 13b two terminals 16.Further, due to that can clip
The inner side of wiring groove 13b two terminals 16 is welded, so being welded with lead-out wire is wound into each terminal 16
Conventional structure compare, the outside that can reduce solder to two terminals 16 is heaved, and can be configured to that short circuit can be avoided.Cause
This, compared with the conventional structure that lead-out wire is wound into each terminal 16 and welded, can reduce between terminal 16 away from
From as a result, as shown in fig. 7, the width of the orientation (y directions) of terminal board A 13 terminal 16 can be reduced.Therefore,
Electromagnetic inductor 1 can be made as overall smallerization.Further, due to becoming that lead-out wire (wire) need not be wound into
One end 16a of two terminals 16, so the usage amount of the wire used and solder can be reduced.
In variation, can also so that terminal 16 one end 16a from the height of the position that terminal board A 13 is protruded in structure
Terminal board A 13 is formed to mode different in 16 ' two terminals 16 into terminal.Fig. 8 is drawing for the primary coil 21 of variation
Outlet be temporarily fixed in the state of terminal board A 13 front view.As shown in figure 8, form the terminal for clipping wiring groove 13b
The height (z directions) of the root position each protruded 16 ' two terminals 16 is different.One end 16a of two terminals 16 with
The bending by way of the lead-out wire being brought out in wiring groove 13b is embraced from both sides.By using such structure, at this
In embodiment, one end 16a of the terminal 16 of bending can be made more stably to embrace by being brought out in wiring groove 13b
Lead-out wire.
In other variations, one end 16a of terminal 16 length protruded can be configured to than on the direction of bending
Two terminals 16 for clipping wiring groove 13b between length half length.By using such structure, in present embodiment
In, one end 16a of the terminal 16 of bending can be made more stably to embrace lead-out wire by being brought out in wiring groove 13b.
In other variations, terminal board A 13 a part of terminal is installed on (for example, arbitrary two adjacent butts
Son) it is bar-shaped terminal, and in the same manner as the remaining a part of terminal 16 formed as shown in Figure 2, along prolonging for terminal board A 13
Direction (y directions) is stretched to be arranged and install.One end of the bar-shaped terminal is implanted to terminal board A 13, the other end with shown in Fig. 2
Other end 16b similarly by from the face of terminal board A 13 side opposite with being configured with the side of inserting hole 15 protrude in a manner of
Installation.Other end 16b shown in the other end and Fig. 2 of the bar-shaped terminal be similarly used for being inserted into circuit board and with the wiring
Part connection on substrate.The other end of one bar-shaped terminal is wound by the lead-out wire of a primary coil 21, and passes through weldering
Connect and be attached.It should illustrate, wiring groove 13b can not be formed between the terminals of adjacent of the bar-shaped terminal.
In other above-mentioned variations, the structure of the terminal board A13 shown in structure and Fig. 2 only with respect to bar-shaped terminal is not
Together.By using such structure, in the present embodiment, it is configured to be wound into the primary line of two terminals as needed
The quantity of the lead-out wire of circle 21 makes the terminal board A 13 have the terminal 16 and wiring groove 13b that form as shown in Figure 2.
Fig. 9 be install coil 20 before coil rack 10 terminal board B 14 front view.Terminal board B 14 possess with
Leading section edge and the main part 11 of the flange part 12 of opposite side corresponding to the leading section of flange part 12 formed with terminal board A 13
Axially vertical direction (y directions) extension, and multiple terminals 17 being connected with the lead-out wire of secondary coil 22.In addition, terminal
Platform B 14 has in base part basal part 14a prominent as convex eaves, and basal part 14a turns into contact when installing magnetic core
Face.
Each terminal 17 substantially constitutes the L-shaped of bending in the same manner as terminal 16, and along terminal board B 14 extension
Direction (y directions) is arranged and installed.Preferably, a part for terminal 17 penetrates terminal board B 14 and is installed on terminal board B
14.In addition, in the same manner as terminal 16, in each terminal 17, one end 17a of terminal 17 is from terminal board B 14 with being configured with master
The face of the opposite side in the side of body portion 11 protrudes, and the other end 17b of terminal 17 is from terminal board B 14 with being configured with inserting hole 15
The face of the opposite side in side protrudes.Formed with for drawing secondary coil 22 between terminal board B 14 each terminal 17
Wiring groove 14b of the outlet from main part 11 along the axial lead of main part 11 to terminal board B 14 outside (- x directions).
One end 17a is connected with the lead-out wire of secondary coil 22, other end 17b be inserted into circuit board and with the circuit board
On part connection.As it was previously stated, the lead-out wire of secondary coil 22 is thinner than the lead-out wire of primary coil 21.Therefore, such as Fig. 1 institutes
Show, the lead-out wire of a secondary coil 22 is wound into one end 17a by being brought out in wiring groove 14b.Then, pass through
Weld to connect the lead-out wire of secondary coil 22.Thereby, it is possible to electrically connect and be fixed.It should illustrate, in secondary coil 22
In the case of including multiple secondary coils 22, in main part 11, it is connected between the secondary coil 22 between different terminals 17
Insulated by winding such as insulating cement and bringing.
It should illustrate, as long as the lead-out wire of a secondary coil 22 can be passed through weldering by the structure on terminal board B14
The terminal board or terminal being connected with a terminal 17a are fetched, then can also be other known terminal boards or terminal.For example, end
Son 17 may not be the L-shaped of bending.
Next, the manufacture method of electromagnetic inductor 1 is illustrated.For the purpose of simplifying the description, coil 20 is with including one
The situation of primary coil 21 and a secondary coil 22 illustrates.First, prepare the coil rack 10 shown in Fig. 1, will include
One side of coil 20 of one primary coil 21 and a secondary coil 22 is to each coil insulation, while being wound into main part 11.
Next, by the lead-out wire of the side of primary coil 21 by wiring groove 13b and from main part 11 along main part
11 axial lead is to terminal board A 13 outside.Wiring groove 13b terminal is clipped to two of 16 ' next, will form
One end 16a of terminal 16 bending and is fixed temporarily in a manner of embracing the lead-out wire being brought out.For the another of primary coil 21
The lead-out wire of side, similarly 16 ' places are fixed temporarily in other terminals.
On the other hand, by the lead-out wire of the side of secondary coil 22 by wiring groove 14b and from main part 11 along main body
The axial lead in portion 11 is wound into one end 17a of terminal 17 and fixed temporarily to terminal board B 14 outside.For secondary
The lead-out wire of the opposite side of level coil 22, similarly by being drawn in other wiring grooves 14b, and it is wound into other terminals 17
One end 17a and fixed temporarily.
After being performed as described above interim fixation, carried out by immersing scolding tin bath etc. in temporarily fixed opening position
Welding, so as to be attached., in the present embodiment, can not be by the extraction of primary coil 21 by using such structure
Line is wound into one end 16a for two terminals 16 for clipping wiring groove, and is electrically connected in the inner side of two terminals 16 and two terminals 16
Connect and be fixed.Furthermore it is possible to prevent the outside of solder to two terminals 16 from heaving, and avoid short circuit.Further, pass through
Lead-out wire is not wound into one end 16a of two terminals 16, and uses easy tool to roll over one end 16a of two terminals 16
It is curved, solder dipping is then carried out, so as to manufacture electromagnetic inductor 1, therefore, it is possible to shorten the activity duration.Further, since need not
Lead-out wire is wound, so the deviation along with connection state caused by winding operation can be eliminated.
Next, the action effect of the electromagnetic inductor 1 of embodiments of the present invention is illustrated.In present embodiment
In, the lead-out wire of primary coil 21 of main part 11 is wound into by being formed in terminal board A 13 wiring groove 13b and from master
Axial direction of the body portion 11 along main part 11 is drawn out to terminal board A 13 outside, clips wiring groove 13b adjacent two end
Sub 16 respective one end 16a bendings in a manner of the lead-out wire being brought out is embraced from both sides, and by welding come with being brought out
Lead-out wire connects.Thereby, it is possible to be not wound into the lead-out wire for the primary coil 21 being brought out to clip two of wiring groove 13b ends
One end 16a of son 16, and electrically connect and be fixed with two terminals 16 in the inner side of two terminals 16.Further, since can
Welded in the inner side for two terminals 16 for clipping wiring groove 13b, so entering with lead-out wire is wound into each terminal 16
Row welded structure is compared, and the outside that can reduce solder to two terminals 16 is heaved, and can be configured to that short circuit can be avoided.
In the present embodiment, by the way that one end 16a of the terminal protruded from terminal board A 13 16 length to be configured to compare
The half length of wiring groove 13b and the length between two adjacent terminals 16 is clipped, one end 16a of the terminal 16 of bending can be made
More stably embrace the lead-out wire by being brought out in wiring groove 13b.
Each embodiment discussed above is the example for illustrating the present invention, and the present invention is not limited to these embodiments.
As long as each embodiment does not produce contradiction, it becomes possible to carries out any embodiment that is appropriately combined and being applied to the present invention.That is, this hair
It is bright without departing from its purport, it becomes possible to implement various modifications.
Claims (5)
1. a kind of electromagnetic inductor, it is characterised in that possess：Main part, for wound around coil；Flange part, from the main part
The end of axial direction extends to radial direction outside；Terminal board, in the leading section of the flange part along axially vertical with the main part
Direction extension, and be provided with the multiple terminals being connected with coil；Coil, the main part is wound into,
Bearing of trend of the multiple terminal along the terminal board is arranged, at least one of more in the multiple terminal
Individual terminal respectively constitutes bending L-shaped at a right angle, and respective one end of at least one of multiple terminals is from the end
The face of the side opposite with being configured with the main part side of sub- platform protrudes,
Between one group of adjacent two terminal at least one of multiple terminals of the terminal board, formed with
In by cloth of the lead-out wire of the coil from the main part along the axial lead of the main part to the outside of the terminal board
Wire casing,
The lead-out wire of the coil in the wiring groove from the main part along the axial direction of the main part by being drawn out to
The outside of the terminal board,
Clip the respective described of two adjacent terminals of the wiring groove that lead-out wire passed through being brought out
One end, the bending in a manner of embracing the lead-out wire being brought out from both sides, and by weld come with the extraction being brought out
Line connects.
2. electromagnetic inductor according to claim 1, it is characterised in that
Respective described one end of two adjacent terminals is from the length that the terminal board protrudes than described adjacent two
The half length of length between terminal.
3. a kind of substrate installation transformer, it is characterised in that including the electromagnetic inductor described in claim 1 or 2.
4. a kind of substrate installation choking-winding, it is characterised in that including the electromagnetic induction described in claim 1 or 2
Device.
5. a kind of manufacture method of electromagnetic inductor, it is characterised in that the electromagnetic inductor by coil by being installed on coil
Skeleton manufactures, and the coil rack possesses：Main part, for wound around coil；Flange part, from the axial end of the main part
Extend on the outside of to radial direction；Terminal board, extend in the leading section of the flange part along the axially vertical direction with the main part,
And the multiple terminals being connected with coil are provided with,
Bearing of trend of the multiple terminal along the terminal board is arranged, at least one of more in the multiple terminal
Individual terminal respectively constitutes bending L-shaped at a right angle, and respective one end of at least one of multiple terminals is from the end
The face of the side opposite with being configured with the main part side of sub- platform protrudes,
Between one group of adjacent two terminal at least one of multiple terminals of the terminal board, formed with
In by cloth of the lead-out wire of the coil from the main part along the axial lead of the main part to the outside of the terminal board
Wire casing,
The manufacture method includes：
The step of coil is wound into the main part；
By the lead-out wire of the coil by the wiring groove and from the main part along the axial lead of the main part to
The step of outside of the terminal board；
The respective institute of the two adjacent terminals for the wiring groove that lead-out wire passed through being brought out described in clipping
State one end, the bending in a manner of embracing the lead-out wire being brought out from both sides, and by weld come with it is described be brought out draw
The step of outlet connects.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016092716A JP6637834B2 (en) | 2016-05-02 | 2016-05-02 | Electromagnetic inductor and method of manufacturing electromagnetic inductor |
| JP2016-092716 | 2016-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107342160A true CN107342160A (en) | 2017-11-10 |
| CN107342160B CN107342160B (en) | 2020-12-15 |
Family
ID=60081846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710288398.7A Active CN107342160B (en) | 2016-05-02 | 2017-04-27 | Electromagnetic inductor and method for manufacturing electromagnetic inductor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6637834B2 (en) |
| KR (1) | KR102273354B1 (en) |
| CN (1) | CN107342160B (en) |
| DE (1) | DE102017004119A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509620A (en) * | 2017-09-15 | 2019-03-22 | Tdk株式会社 | Coil device |
| CN109935448A (en) * | 2017-12-18 | 2019-06-25 | Tdk株式会社 | Coil device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102090735B1 (en) | 2018-09-10 | 2020-03-18 | 김익현 | Hair cap manufacturing device |
| KR102330542B1 (en) | 2019-07-12 | 2021-11-24 | 김익현 | Hair cap manufacturing device |
| WO2020054976A1 (en) | 2018-09-10 | 2020-03-19 | 김익현 | Apparatus for manufacturing hair cap |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06333767A (en) * | 1993-05-26 | 1994-12-02 | Tdk Corp | Manufacture of common mode choke coil |
| CN1336674A (en) * | 2000-07-28 | 2002-02-20 | 达方电子股份有限公司 | Winding frame for transformer |
| JP2009218425A (en) * | 2008-03-11 | 2009-09-24 | Tdk Corp | Coil component and method for connecting and fixing winding terminal |
| CN202585054U (en) * | 2012-05-28 | 2012-12-05 | 慈溪市国兴电子有限公司 | Transformer inserted on circuit board |
| CN204130323U (en) * | 2014-08-25 | 2015-01-28 | 江西省高新超越精密电子有限公司 | A kind of transformer framework combination with new structure |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5711377Y2 (en) * | 1976-05-10 | 1982-03-05 | ||
| JPS6329916A (en) * | 1986-07-23 | 1988-02-08 | Matsushita Electric Ind Co Ltd | Transformer |
| JPH09283337A (en) * | 1996-04-10 | 1997-10-31 | Shihen Tech Corp | Insulating transformer |
| KR19980061755A (en) * | 1996-12-31 | 1998-10-07 | 서두칠 | Flyback transformer |
| JP2008112753A (en) * | 2006-10-27 | 2008-05-15 | Tdk Corp | Lateral low-profile coil part, and soldering method of its winding terminal |
| JP2009105342A (en) * | 2007-10-25 | 2009-05-14 | Tdk Corp | Lateral coil component, bobbin, and method of connecting and fixing end of wire |
| JP4697676B2 (en) * | 2008-07-17 | 2011-06-08 | Ｔｄｋ株式会社 | Coil component and method of manufacturing coil component |
| JP2010073778A (en) | 2008-09-17 | 2010-04-02 | Sumida Corporation | Surface-mounted coil component |
| TWI463508B (en) * | 2014-04-22 | 2014-12-01 | Yujing Technology Co Ltd | The improved structure of the transformer |
| JP2016031978A (en) | 2014-07-28 | 2016-03-07 | 田淵電機株式会社 | Electromagnetic inductor and manufacturing method of core for electromagnetic inductor |
| KR101594400B1 (en) | 2014-12-29 | 2016-02-16 | 크로바하이텍(주) | Bobbin for a transformer and Transformer having the same |
-
2016
- 2016-05-02 JP JP2016092716A patent/JP6637834B2/en active Active
-
2017
- 2017-04-27 CN CN201710288398.7A patent/CN107342160B/en active Active
- 2017-04-27 DE DE102017004119.9A patent/DE102017004119A1/en active Pending
- 2017-04-28 KR KR1020170054759A patent/KR102273354B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06333767A (en) * | 1993-05-26 | 1994-12-02 | Tdk Corp | Manufacture of common mode choke coil |
| CN1336674A (en) * | 2000-07-28 | 2002-02-20 | 达方电子股份有限公司 | Winding frame for transformer |
| JP2009218425A (en) * | 2008-03-11 | 2009-09-24 | Tdk Corp | Coil component and method for connecting and fixing winding terminal |
| CN202585054U (en) * | 2012-05-28 | 2012-12-05 | 慈溪市国兴电子有限公司 | Transformer inserted on circuit board |
| CN204130323U (en) * | 2014-08-25 | 2015-01-28 | 江西省高新超越精密电子有限公司 | A kind of transformer framework combination with new structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509620A (en) * | 2017-09-15 | 2019-03-22 | Tdk株式会社 | Coil device |
| CN109935448A (en) * | 2017-12-18 | 2019-06-25 | Tdk株式会社 | Coil device |
| CN109935448B (en) * | 2017-12-18 | 2022-01-04 | Tdk株式会社 | Coil device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102273354B1 (en) | 2021-07-06 |
| JP6637834B2 (en) | 2020-01-29 |
| JP2017201658A (en) | 2017-11-09 |
| KR20170124463A (en) | 2017-11-10 |
| CN107342160B (en) | 2020-12-15 |
| DE102017004119A1 (en) | 2017-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107342160A (en) | The manufacture method of electromagnetic inductor and electromagnetic inductor | |
| US8159099B2 (en) | Stator having busbars for connection of the coils, and a corresponding method | |
| US7889043B2 (en) | Assembly structure of transformer, system circuit board and auxiliary circuit board | |
| US10207485B2 (en) | Ignition coil and method of assembly | |
| US20210013784A1 (en) | Electromagnetic devices | |
| JP2008112753A (en) | Lateral low-profile coil part, and soldering method of its winding terminal | |
| US11381129B2 (en) | Motor stator with winding configuration using hairpin wires | |
| CN112997382A (en) | Pressed strand, stator or rotor of an electric machine, and electric machine | |
| US7990246B2 (en) | Foil winding pulse transformer | |
| CN110784028A (en) | Contact ring for motor stator | |
| JP2009038938A (en) | Connecting terminal, stator having the connecting terminal, and manufacturing method of stator | |
| US7425884B2 (en) | Electrical device and method of producing the same | |
| KR101792279B1 (en) | Inductor and inductor manufacturing method | |
| CN209016823U (en) | A kind of coil connector and coil block | |
| JP4781538B2 (en) | Electric motor stator and its connection device | |
| CN104576000A (en) | Coil device | |
| CN110971021B (en) | Stator assembly and motor with same | |
| CN113812067A (en) | Stator coil, stator and rotating electrical machine provided with same, and method for manufacturing stator coil | |
| CN110971042A (en) | Stator assembly and motor with same | |
| JP3952755B2 (en) | Power transformer | |
| CN110971022B (en) | Stator assembly and motor with same | |
| JP4745201B2 (en) | Tap changeable transformer | |
| US20170194828A1 (en) | Electric Engine Stator, Electric Engine, and Electric Engine Stator Coil Insulation Process | |
| CN111489885A (en) | Transformer coil structure | |
| JPH0453211A (en) | Switching transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Dianchuan District, Osaka, Japan Patentee after: Diamond jiebula Motor Co.,Ltd. Address before: Osaka City, Osaka of Japan Patentee before: TABUCHI ELECTRIC CO.,LTD. |
|
| CP03 | Change of name, title or address |