CN107221418B - Switch transformer - Google Patents
Switch transformer Download PDFInfo
- Publication number
- CN107221418B CN107221418B CN201710474587.3A CN201710474587A CN107221418B CN 107221418 B CN107221418 B CN 107221418B CN 201710474587 A CN201710474587 A CN 201710474587A CN 107221418 B CN107221418 B CN 107221418B
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- China
- Prior art keywords
- coil
- stitch
- magnetic core
- primary coil
- interconnecting piece
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- 239000004020 conductor Substances 0.000 claims abstract description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 44
- 239000010949 copper Substances 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000011505 plaster Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 210000003734 kidney Anatomy 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000001939 inductive effect Effects 0.000 abstract 2
- 230000005347 demagnetization Effects 0.000 abstract 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 13
- 241000500881 Lepisma Species 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 229910000679 solder Inorganic materials 0.000 description 7
- 239000011889 copper foil Substances 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- 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
- H01F27/2823—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
- H01F27/2876—Cooling
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention relates to a switch transformer which is used for a switch power supply, wherein the switch power supply comprises a shell, a circuit board and various electronic components which are arranged on the circuit board and comprise the switch transformer. The circuit board is mounted within the housing. The switching transformer includes a switching transformer assembly having a primary coil, a magnetic core, a secondary coil, and a fixing tape. A switching transformer assembly having a primary coil includes a bobbin, a primary coil, a demagnetization coil, an auxiliary voltage coil, and a pin. The number of secondary windings 8 is 1 to 8 turns, each turn comprising 1 to 3 inductive loop conductors. The whole inductance loop conductor is in an inverted U shape; the pin of the switch transformer is electrically connected with the circuit board, and 2 connecting ends of all inductive loop conductors of the secondary coil of the switch transformer penetrate through corresponding through holes of the circuit board and then are electrically connected with the circuit board in a lead-tin welding mode. And the secondary coils of all turns complete loop connection through the circuit board. The switch transformer is simple in manufacturing process and good in heat dissipation effect.
Description
The application be application No. is: 201510096673.6, invention and created name be " switch transformer and Switching Power Supply ",
The applying date are as follows: the divisional application of the application for a patent for invention on March 4th, 2015.
Technical field
The present invention relates to a kind of Switching Power Supply, in particular to a kind of Switching Power Supply equipped with high frequency switch transformer.
Background technique
With the high speed development of power electronic technique, the work of power electronic equipment and people, the relationship of life are increasingly close
It cuts, and electronic equipment all be unable to do without reliable power supply, realizes Switching Power Supply comprehensively into the computer power supply eighties, takes the lead in
The power supply for completing computer is regenerated, and subsequently enters various electronics, electrical equipment field, programme-controlled exchange into the Switching Power Supply nineties
Switching Power Supply has all been widely used in machine, communication, electron detection device power supply, control equipment power supply etc., more promotes switch
The rapid development of power technology.
Longitudinal casing that usual Switching Power Supply includes an aluminium alloy system or steel and one piece of fixation are inside the shell
Printed circuit board is additionally provided with the radiators such as cooling fin or fan between shell and circuit board, by fasteners such as screws and
The screw hole that the shell of Switching Power Supply is equipped with can be fixed on an electronic device by Switching Power Supply.High frequency is installed to open on circuit board
Close transformer, the electronic components such as inductance, high frequency switch transformer mainly include skeleton, across skeleton magnetic core and be mounted on
Armature winding, secondary windings on skeleton, armature winding and secondary windings are wrapped on skeleton in form of a coil, secondary coil
It is to enclose winding with the copper wire one of whole circle to complete circuit, primary coil and secondary coil are radial distributions, such whole
The coil of circle winding makes calorific value larger, and multiple-turns wound makes the heat dissipation effect of electronic component poor, in addition to just
In the winding of coil, the diameter of coil must be designed the smaller toughness for making coil and preferably be completely wound, and coil is straight
Diameter is lesser to talk about the number of turns for just needing to increase coil, then the process that the increase of the number of turns of coil allows for winding equally increases,
The processing technology of the switch transformer is too complicated, and manufacture human cost is excessively high, and the appearance of some position of coil is for example old
When changing the problem of fracture etc., entire switch transformer is needed replacing.In addition, the secondary coil of whole circle winding needs in insulating Design
More insulating tape is used, cost is also higher.Such as the PQ35 switch transformer sold extensively in the market exist it is above-mentioned
Each disadvantage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of structure the lower switch transformer of simple and manufacturing cost and
The heat dissipation effect of Switching Power Supply, the switch transformer and Switching Power Supply is preferable and easy to repair.
Realize that one of the technical solution of the object of the invention is to provide a kind of skeleton of switch transformer, including centrally located
Principal part, be symmetricly set on principal part the left and right sides magnetic core limiting section and be arranged in corresponding magnetic core limiting section lower section needle
Foot interconnecting piece.The center of principal part is equipped with the magnetic loop hole for being used to install magnetic core of left and right perforation.Magnetic core limiting section and principal part or so
Perforation, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.The outer periphery of principal part is axially successively arranged auxiliary
Pressure-wire ring recess, left primary coil slot, left secondary wire ring recess, degaussing coil slot, right secondary wire ring recess and right primary coil slot are helped,
The peripheral shape of left secondary wire ring recess and right secondary wire ring recess is in U-shape.Stitch interconnecting piece is equipped with Open Side Down for installing
The stitch hole of stitch.
Further, the magnetic core limiting section positioned at the left side of principal part includes left limit plate, upper left limiting section and lower-left limit
Portion, the magnetic core limiting section positioned at the right side of principal part include right limit plate, upper right limiting section and bottom right limiting section.Left limit plate, the right side
Limit plate is equipped with the through-hole with the perforation of magnetic loop hole, and left limit plate and right limit plate are by being equipped on the circular slab of center through hole
Symmetrically remove the plate portion formed after the big cambered plate such as one down, upper left limiting section, lower-left limiting section protrude from symmetrical above and belowly
Left limit plate, upper right limiting section, bottom right limiting section protrude from right limit plate, upper left limiting section, upper right limiting section symmetrical above and belowly
In isosceles triangle shape, lower-left limiting section, bottom right limiting section are in isosceles triangle shape.Left limit plate, upper left limiting section and a left side
The shape that lower limit portion is formed is corresponding with the magnetic core of switch transformer, and right limit plate, upper right limiting section and bottom right limiting section are formed
Shape it is corresponding with the magnetic core of switch transformer.
Further, the skeleton of the switch transformer further includes the first spacing board, the second spacing board, third interval
Plate, the 4th spacing board, the 5th spacing board and insulation board.The periphery left part of principal part be equipped in a ring and lower ending opening first interval
Plate, first spacing board and principal part, left limit plate form boost voltage coil slot.Be equipped in the middle part of the periphery of principal part in a ring and
The second spacing board, third spacing board, the 4th spacing board and the 5th spacing board of lower ending opening, the second spacing board, third spacing board,
4th spacing board and the 5th spacing board are spacedly distributed from left to right, so that the second spacing board is formed with principal part, the first spacing board
Left primary coil slot, the second spacing board and principal part, third spacing board form left secondary wire ring recess, the 4th spacing board and principal part, the
Three spacing boards form degaussing coil slot, and the 4th spacing board and principal part, the 5th spacing board form right secondary wire ring recess, the 5th spacing board
Right primary coil slot is formed with principal part, right limit plate.Insulation board has 4, and insulation board is separately positioned on left secondary wire ring recess and the right side
The lower part front and rear sides of secondary wire ring recess, so that left secondary wire ring recess and right secondary wire ring recess are in U-shape.
Further, stitch interconnecting piece includes positioned at the left stitch interconnecting piece of the lower section of lower-left limiting section and positioned at lower limit on the right
The right stitch interconnecting piece of the lower section in position portion.The lower end of left stitch interconnecting piece is equipped with 5 stitch holes, including 2 primary coil stitch
Hole and 3 auxiliary and degaussing coil stitch hole, are spacedly distributed between 5 stitch holes, 4 left sides are equipped between 5 stitch holes
Coil guide groove.The lower end of right stitch interconnecting piece is equipped with 3 spare stitch holes being spacedly distributed.
It realizes that the two of the technical solution of the object of the invention is to provide a kind of switch transformer component with primary coil, wraps
Include skeleton, primary coil, degaussing coil, boost voltage coil and stitch.
Skeleton include centrally located principal part, be symmetricly set on principal part the left and right sides magnetic core limiting section and setting exist
The stitch interconnecting piece of the lower section of corresponding magnetic core limiting section.The magnetic for installing magnetic core that the center of principal part is equipped with left and right perforation returns
Lu Kong.Magnetic core limiting section and principal part or so perforation, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.It is main
The outer periphery in portion is axially successively arranged boost voltage coil slot, left primary coil slot, left secondary wire ring recess, degaussing coil slot, the right side
The peripheral shape of secondary wire ring recess and right primary coil slot, left secondary wire ring recess and right secondary wire ring recess is in U-shape.Stitch interconnecting piece
Including being located at the left stitch interconnecting piece of the lower section of lower-left limiting section and positioned at the right stitch interconnecting piece of the lower section of bottom right limiting section.It is left
The lower end of stitch interconnecting piece is equipped with 5 stitch holes, including 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch
Hole is spacedly distributed between 5 stitch holes, and 4 left coil guide grooves are equipped between 5 stitch holes.Under right stitch interconnecting piece
End is equipped with 3 spare stitch holes being spacedly distributed.
Stitch by 8, be respectively fixedly disposed at the left stitch interconnecting piece of skeleton 2 primary coil stitch holes, 3 auxiliary
And in degaussing coil stitch hole and 3 spare stitch holes of right stitch interconnecting piece.
Primary coil, degaussing coil, boost voltage coil are all made of conductor wire.Primary coil is wrapped in the left primary of skeleton
In coil slot and right primary coil slot, the starting point of primary coil and clearing end respectively with 2 primary lines of left stitch interconnecting piece
The stitch enclosed in stitch hole is welded to connect.Degaussing coil is wrapped in degaussing coil slot, and boost voltage coil is wrapped in auxiliary electricity
In crimping ring recess, the starting point or clearing end of degaussing coil and boost voltage coil share the degaussing coil needle of left stitch interconnecting piece
1 stitch in the 17-1-2 of foot hole, so that the starting point or clearing end of degaussing coil and boost voltage coil are connect with left stitch
Same 1 stitch in the degaussing coil stitch hole 17-1-2 in portion is welded to connect, the other end of degaussing coil and boost voltage coil
It is welded to connect respectively with the stitch in remaining 2 degaussing coil stitch hole 17-1-2 of left stitch interconnecting piece.Primary coil is gone
The equal insulation processing in the cross-contact position of magnetic coil and boost voltage coil.
Realize that the three of the technical solution of the object of the invention is to provide a kind of switch transformer, including opening with primary coil
Close transformer device, magnetic core, secondary coil and fixed adhesive plaster.
Switch transformer component with primary coil include skeleton, primary coil, degaussing coil, boost voltage coil with
And stitch.
Skeleton include centrally located principal part, be symmetricly set on principal part the left and right sides magnetic core limiting section and setting exist
The stitch interconnecting piece of the lower section of corresponding magnetic core limiting section.The magnetic for installing magnetic core that the center of principal part is equipped with left and right perforation returns
Lu Kong.Magnetic core limiting section and principal part or so perforation, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.It is main
The outer periphery in portion is axially successively arranged boost voltage coil slot, left primary coil slot, left secondary wire ring recess, degaussing coil slot, the right side
The peripheral shape of secondary wire ring recess and right primary coil slot, left secondary wire ring recess and right secondary wire ring recess is in U-shape.Stitch interconnecting piece
Including being located at the left stitch interconnecting piece of the lower section of lower-left limiting section and positioned at the right stitch interconnecting piece of the lower section of bottom right limiting section.It is left
The lower end of stitch interconnecting piece is equipped with 5 stitch holes, including 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch
Hole is spacedly distributed between 5 stitch holes, and 4 left coil guide grooves are equipped between 5 stitch holes.Under right stitch interconnecting piece
End is equipped with 3 spare stitch holes being spacedly distributed.
Stitch by 8, be respectively fixedly disposed at the left stitch interconnecting piece of skeleton 2 primary coil stitch holes, 3 auxiliary
And in degaussing coil stitch hole and 3 spare stitch holes of right stitch interconnecting piece.
Primary coil, degaussing coil, boost voltage coil are all made of conductor wire.Primary coil is wrapped in the left primary of skeleton
In coil slot and right primary coil slot, the starting point of primary coil and clearing end respectively with 2 primary lines of left stitch interconnecting piece
The stitch enclosed in stitch hole is welded to connect.Degaussing coil is wrapped in degaussing coil slot, and boost voltage coil is wrapped in auxiliary electricity
In crimping ring recess, the starting point or clearing end of degaussing coil and boost voltage coil share the degaussing coil needle of left stitch interconnecting piece
1 stitch in the 17-1-2 of foot hole, so that the starting point or clearing end of degaussing coil and boost voltage coil are connect with left stitch
Same 1 stitch in the degaussing coil stitch hole 17-1-2 in portion is welded to connect, the other end of degaussing coil and boost voltage coil
It is welded to connect respectively with the stitch in remaining 2 degaussing coil stitch hole 17-1-2 of left stitch interconnecting piece.Primary coil is gone
The equal insulation processing in the cross-contact position of magnetic coil and boost voltage coil.
The quantity of the magnetic core be 2, magnetic core make paint-dipping process processing, the shape on the head of magnetic core and the left end of skeleton or
The shape of right end is corresponding, and the shape of the core of magnetic core and the magnetic loop hole of skeleton are corresponding.2 magnetic cores are respectively from the left and right of skeleton two
End is respectively embedded into the left side and right side of skeleton by the head that its core is inserted into magnetic loop hole up to 2 magnetic cores, thus
Magnetic core limits up and down to be arranged on skeleton, and forms magnetic loop.2 magnetic cores are fixed by from circumferential using fixed adhesive plaster winding and
Connection, so that magnetic core or so is installed on skeleton.
1 to 8 circle of quantity of secondary coil 8, every circle secondary coil include 1 to 3 inductor loop conductor.Inductor loop conductor
Entirety is inverted U shape, and is made of copper material or aluminum core copper wire or aluminum material, and the copper material uses the preferable red copper of electric conductivity, inductance
The circular in cross-section or kidney ellipsoid of return conductors, area of section are 0.5 to 10mm2.Inverted U-shaped inductor loop conductor has
2 connecting pins.Openings of sizes at 2 connecting pins of inductor loop conductor is corresponding with left secondary wire ring recess, inductor loop conductor
Height it is corresponding with the height of left primary coil slot.2 circle secondary coils are separately positioned on left secondary wire ring recess and right secondary coil
In slot, all inductor loop conductors stretch out left secondary coil by its 2 connecting pins after the principal part of skeleton by its opening respectively
Slot or right secondary wire ring recess, the connecting pin of inductor loop conductor are starting point and the clearing end of secondary coil.
Realize that the four of the technical solution of the object of the invention is to provide a kind of Switching Power Supply, including shell, circuit board and peace
All kinds of electronic components for Switching Power Supply including switch transformer of dress on circuit boards.Circuit boards have
Conductive copper foil for entire circuit.Circuit board is installed inside the shell.
The switch transformer includes switch transformer component, magnetic core, secondary coil and the fixation with primary coil
Adhesive plaster.
Switch transformer component with primary coil include skeleton, primary coil, degaussing coil, boost voltage coil with
And stitch.
Skeleton include centrally located principal part, be symmetricly set on principal part the left and right sides magnetic core limiting section and setting exist
The stitch interconnecting piece of the lower section of corresponding magnetic core limiting section.The magnetic for installing magnetic core that the center of principal part is equipped with left and right perforation returns
Lu Kong.Magnetic core limiting section and principal part or so perforation, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.It is main
The outer periphery in portion is axially successively arranged boost voltage coil slot, left primary coil slot, left secondary wire ring recess, degaussing coil slot, the right side
The peripheral shape of secondary wire ring recess and right primary coil slot, left secondary wire ring recess and right secondary wire ring recess is in U-shape.Stitch interconnecting piece
Including being located at the left stitch interconnecting piece of the lower section of lower-left limiting section and positioned at the right stitch interconnecting piece of the lower section of bottom right limiting section.It is left
The lower end of stitch interconnecting piece is equipped with 5 stitch holes, including 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch
Hole is spacedly distributed between 5 stitch holes, and 4 left coil guide grooves are equipped between 5 stitch holes.Under right stitch interconnecting piece
End is equipped with 3 spare stitch holes being spacedly distributed.
Stitch by 8, be respectively fixedly disposed at the left stitch interconnecting piece of skeleton 2 primary coil stitch holes, 3 auxiliary
And in degaussing coil stitch hole and 3 spare stitch holes of right stitch interconnecting piece.
Primary coil, degaussing coil, boost voltage coil are all made of conductor wire.Primary coil is wrapped in the left primary of skeleton
In coil slot and right primary coil slot, the starting point of primary coil and clearing end respectively with 2 primary lines of left stitch interconnecting piece
The stitch enclosed in stitch hole is welded to connect.Degaussing coil is wrapped in degaussing coil slot, and boost voltage coil is wrapped in auxiliary electricity
In crimping ring recess, the starting point or clearing end of degaussing coil and boost voltage coil share the degaussing coil needle of left stitch interconnecting piece
1 stitch in the 17-1-2 of foot hole, so that the starting point or clearing end of degaussing coil and boost voltage coil are connect with left stitch
Same 1 stitch in the degaussing coil stitch hole 17-1-2 in portion is welded to connect, the other end of degaussing coil and boost voltage coil
It is welded to connect respectively with the stitch in remaining 2 degaussing coil stitch hole 17-1-2 of left stitch interconnecting piece.Primary coil is gone
The equal insulation processing in the cross-contact position of magnetic coil and boost voltage coil.
The quantity of the magnetic core be 2, magnetic core make paint-dipping process processing, the shape on the head of magnetic core and the left end of skeleton or
The shape of right end is corresponding, and the shape of the core of magnetic core and the magnetic loop hole of skeleton are corresponding.2 magnetic cores are respectively from the left and right of skeleton two
End is respectively embedded into the left side and right side of skeleton by the head that its core is inserted into magnetic loop hole up to 2 magnetic cores, thus
Magnetic core limits up and down to be arranged on skeleton, and forms magnetic loop.2 magnetic cores are fixed by from circumferential using fixed adhesive plaster winding and
Connection, so that magnetic core or so is installed on skeleton.
1 to 8 circle of quantity of secondary coil 8, every circle secondary coil include 1 to 3 inductor loop conductor.Inductor loop conductor
Entirety is inverted U shape, and is made of copper material or aluminum core copper wire or aluminum material, and the copper material uses the preferable red copper of electric conductivity, inductance
The circular in cross-section or kidney ellipsoid of return conductors, area of section are 0.5 to 10mm2.Inverted U-shaped inductor loop conductor has
2 connecting pins.Openings of sizes at 2 connecting pins of inductor loop conductor is corresponding with left secondary wire ring recess, inductor loop conductor
Height it is corresponding with the height of left primary coil slot.2 circle secondary coils are separately positioned on left secondary wire ring recess and right secondary coil
In slot, all inductor loop conductors stretch out left secondary coil by its 2 connecting pins after the principal part of skeleton by its opening respectively
Slot or right secondary wire ring recess, the connecting pin of inductor loop conductor are starting point and the clearing end of secondary coil.
8 stitch of switch transformer are electric with circuit board in such a way that slicker solder welds after the corresponding via hole of circuit board
Connection, after 2 connecting pins of all inductor loop conductors of the secondary coil of switch transformer pass through the corresponding via hole of circuit board
Slicker solder weld by way of and circuit board electrical connection, so that switch transformer is fixedly connected on circuit boards.Every circle is secondary
It is connected in parallel between 1 to 3 inductor loop conductor included by coil by circuit board, passes through circuit between each circle secondary coil
Plate is connected in series, and connects so that each circle secondary coil completes circuit by circuit board.
Further, the electronic component of the installation on circuit boards further includes inductance.Inductance include magnet ring and 1 to
25 circle inductance coils, the magnet ring surface are covered with insulating layer.Every circle inductance coil includes 1 to 3 second inductor loop conductor.The
Two inductor loop conductors are integrally inverted U shape, and are made of copper material or aluminum core copper wire or aluminum material, the copper material using electric conductivity compared with
Good red copper, the circular in cross-section or kidney ellipsoid of the second inductor loop conductor, area of section are 0.5 to 10mm2.It is inverted U-shaped
The second inductor loop conductor have 2 connecting pins.Openings of sizes and magnet ring at 2 connecting pins of the second inductor loop conductor
Ring diameter it is corresponding, the height of the second inductor loop conductor is corresponding with the height of magnet ring.All second inductor loop conductors respectively by
It is open after the ring portion of magnet ring and magnet ring tight fit connection, covers 2 connections of the second inductor loop conductor on magnet ring
End is after the corresponding via hole of circuit board in such a way that slicker solder welds and circuit board electrical connection, and the second inductor loop conductor is solid
Fixed connection on circuit boards, is arranged on circuit boards so that magnet ring also limits under the action of the second inductor loop conductor.Every circle
It is connected in parallel between 1 to 3 second inductor loop conductor included by inductance coil by circuit board, between each circle inductance coil
It is connected in series, is connected so that each circle inductance coil completes circuit by circuit board, each circle inductance coil surrounds magnetic by circuit board
The equiangularly spaced distribution in the center of ring.
The further Switching Power Supply further includes auxiliary copper wire.Auxiliary copper wire for increasing electric current is arranged in front and back
2 connected inductor loop conductors of between the corresponding connecting pin of 2 connected second inductor loop conductors or front and back accordingly connect
It connects between end, the auxiliary copper wire passes through welding between the second inductor loop conductor or the corresponding connecting pin of inductor loop conductor
Or conducting resinl realizes electrical connection.
Further, the skeleton of the switch transformer further include the first spacing board, the second spacing board, third spacing board,
4th spacing board, the 5th spacing board and insulation board.The periphery left part of principal part is equipped in a ring and the first spacing board of lower ending opening,
First spacing board and principal part, left limit plate form boost voltage coil slot.Be equipped in the middle part of the periphery of principal part in a ring and under
The second spacing board, third spacing board, the 4th spacing board and the 5th spacing board of end opening, the second spacing board, third spacing board,
Four spacing boards and the 5th spacing board are spacedly distributed from left to right, so that the second spacing board and principal part, the first spacing board form a left side
Primary coil slot, the second spacing board and principal part, third spacing board form left secondary wire ring recess, the 4th spacing board and principal part, third
Spacing board forms degaussing coil slot, and the 4th spacing board and principal part, the 5th spacing board form right secondary wire ring recess, the 5th spacing board with
Principal part, right limit plate form right primary coil slot.Insulation board has 4, and insulation board is separately positioned on left secondary wire ring recess and right time
The lower part front and rear sides of grade coil slot, so that left secondary wire ring recess and right secondary wire ring recess are in U-shape.
The present invention has the effect of positive: (1) skeleton of switch transformer of the invention is by primary coil and secondary coil
It is separated by groove body insulation, becomes the traditional primary coil and secondary coil radially spaced-apart by insulating tape to pass through slot
Body is axially spaced, so that the heat dissipation effect of switch transformer is preferable, when use temperature lower than traditional switch transformer 5 to
10 DEG C, service life is longer.
(2) structure of inductor loop conductor of the invention is simple and manufacturing cost is lower, and secondary coil is complete by circuit board
It is connected at circuit, the sectional area of inductor loop conductor is much larger than copper wire, there is no need to wind compared with the copper wire of multi-turn number, calorific value
Smaller, heat dissipation effect is excellent, and inductor loop conductor is directly welded on circuit board, considerably reduces switch transformer and electricity
The manufacturing process flow of sense, further reduces the cost, and in addition the usage quantity of insulating tape can also greatly reduce;Inductor loop is led
The replacement of body is also more convenient, need not replace entire switch transformer or inductance when something goes wrong.Make switch transformer simultaneously
And the manufacture of intraocular of entire Switching Power Supply saves half working hour, technique is relatively simple.
(3) present invention solves the problems, such as that overcurrent is too small by increasing auxiliary copper wire, so that entire switch transformer
Secondary coil and the inductor loop coil of inductance completed by circuit board it is more stable when circuit connects, entire Switching Power Supply it is steady
It is qualitative more preferable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram (main view) of the skeleton of the switch transformer in embodiment 1;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the bottom view of Fig. 1;
A kind of stereoscopic schematic diagram when Fig. 4 is from the left anterior-superior part of Fig. 1;
A kind of stereoscopic schematic diagram when Fig. 5 is from the right front lower side of Fig. 1;
Fig. 6 is a kind of structural schematic diagram (main view) of the switch transformer component with primary coil in embodiment 2;
Fig. 7 is the bottom view of Fig. 6;
A kind of stereoscopic schematic diagram when Fig. 8 is from the left anterior-superior part of Fig. 6;
Fig. 9 is a kind of structural schematic diagram (main view) of the switch transformer in embodiment 3;
Figure 10 is the bottom view of Fig. 9;
A kind of stereoscopic schematic diagram when Figure 11 is from the left anterior-superior part of Fig. 9;
Figure 12 is the structural schematic diagram of the magnetic core in Figure 11;
Figure 13 is the structural schematic diagram of the inductor loop conductor in Fig. 9;
Figure 14 is the left view of Figure 13;
Figure 15 is the structural schematic diagram of the inductor loop conductor in Figure 11;
Figure 16 is that (electronic component is only in main view, figure for a kind of structural schematic diagram of the Switching Power Supply in embodiment 4 and 5
Switch transformer and inductance are shown);
A kind of stereoscopic schematic diagram when Figure 17 is from the left anterior-superior part of Figure 16;
Figure 18 is the right view of Figure 16;
Figure 19 is the connection of the auxiliary copper wire from the switch transformer in Figure 16 when the B of Figure 16 is from and in embodiment 6
Schematic diagram.
Label in above-mentioned attached drawing is as follows:
Skeleton 1, principal part 11, magnetic loop hole 11-1, left limit plate 12-1, right limit plate 12-2, upper left limiting section 13-1 are left
Lower limit portion 13-2, upper right limiting section 13-3, bottom right limiting section 13-4, the first spacing board 14-1, the second spacing board 14-2, third
Spacing board 14-3, the 4th spacing board 14-4, the 5th spacing board 14-5, boost voltage coil slot 15-1, left primary coil slot 15-2,
Left secondary wire ring recess 15-3, degaussing coil slot 15-4, right secondary wire ring recess 15-5, right primary coil slot 15-6, insulation board 16 are left
Stitch interconnecting piece 17-1, primary coil stitch hole 17-1-1, auxiliary and degaussing coil stitch hole 17-1-2, left coil guide groove
17-1-3, right stitch interconnecting piece 17-2, spare stitch hole 17-2-1,
Primary coil 2, degaussing coil 3, boost voltage coil 4, stitch 5, magnetic core 6, secondary coil 7, inductor loop conductor
71, fixed adhesive plaster 8, shell 91, circuit board 92, inductance 93, magnet ring 93-1, the second inductor loop conductor 93-2 assist copper wire 94.
Specific embodiment
The present invention is described, the orientation up and down in figure is being described when progress orientation is described with orientation shown in Fig. 1
In be also up and down, in figure the orientation of court, drawing institute be front, away from the orientation of drawing be rear.
(skeleton of embodiment 1, switch transformer)
See that Fig. 1 to Fig. 5, the skeleton 1 of the switch transformer of the present embodiment are a using integral piece made of bakelite material, bone
The center of frame 1 is principal part 11 in a tubular form, and the center of principal part 11 is equipped with the magnetic loop hole 11- for being used to install magnetic core of left and right perforation
1;The central symmetry of the left and right sides of principal part 11 is equipped with left limit plate 12-1, the right limit plate of limit when for installing magnetic core
12-2, left limit plate 12-1, right limit plate 12-2 are equipped with the through-hole with magnetic loop hole 11-1 perforation, left limit plate 12-1 and the right side
Limit plate 12-2 is that the circular slab of center through hole is symmetrical above and below to remove the plate portion formed after the big cambered plate such as one, a left side by being equipped with
The symmetrical above and below of limit plate 12-1 is equipped with upper left limiting section 13-1, the lower-left limiting section 13-2 for protruding from left limit plate 12-1, the right side
The symmetrical above and below of limit plate 12-2 is equipped with upper right limiting section 13-3, the bottom right limiting section 13-4 for protruding from right limit plate 12-2, a left side
Upper limit portion 13-1, upper right limiting section 13-3 in fall isosceles triangle shape, lower-left limiting section 13-2, bottom right limiting section 13-4 in etc.
Lumbar triangle shape;The shape and switch transformer that left limit plate 12-1, upper left limiting section 13-1 and lower-left limiting section 13-2 are formed
Magnetic core it is corresponding, the shape and switch transformer that right limit plate 12-2, upper right limiting section 13-3 and bottom right limiting section 13-4 are formed
Magnetic core it is corresponding.The periphery left part of principal part 11 is equipped in a ring and the first spacing board 14-1 of lower ending opening, first interval
Plate 14-1 and principal part 11, left limit plate 12-1 form boost voltage coil slot 15-1;It is equipped in a ring in the middle part of the periphery of principal part 11
And the second spacing board 14-2, third spacing board 14-3, the 4th spacing board 14-4 and the 5th spacing board 14-5 of lower ending opening, second
Spacing board 14-2, third spacing board 14-3, the 4th spacing board 14-4 and the 5th spacing board 14-5 are spacedly distributed from left to right, from
And the second spacing board 14-2 and principal part 11, the first spacing board 14-1 form left primary coil slot 15-2, the second spacing board 14-2 with
Principal part 11, third spacing board 14-3 form left secondary wire ring recess 15-3, the 4th spacing board 14-4 and principal part 11, third spacing board
14-3 forms degaussing coil slot 15-4, and the 4th spacing board 14-4 and principal part 11, the 5th spacing board 14-5 form right secondary wire ring recess
15-5, the 5th spacing board 14-5 and principal part 11, right limit plate 12-2 form right primary coil slot 15-6.Insulation board 16 has 4, a left side
The lower part front and rear sides of secondary wire ring recess 15-3 and right secondary wire ring recess 15-5 are equipped with 1 insulation board 16, thus left secondary wire
Ring recess 15-3 and right secondary wire ring recess 15-5 are in U-shape.The lower section of lower-left limiting section 13-2 is equipped with left stitch interconnecting piece 17-1, left needle
The lower end of foot interconnecting piece 17-1 is equipped with 5 stitch holes, including 2 primary coil stitch hole 17-1-1 and 3 auxiliary and degaussing
Coil stitch hole 17-1-2 is spacedly distributed between 5 stitch holes, and 4 left coil guide groove 17- are equipped between 5 stitch holes
The starting point or clearing end of 1-3, auxiliary and the corresponding boost voltage coil of degaussing coil stitch hole 17-1-2 and degaussing coil are total
With a stitch, to only need 3 auxiliary and degaussing coil stitch hole 17-1-2.The lower section of bottom right limiting section 13-4 is equipped with the right side
The lower end of stitch interconnecting piece 17-2, right stitch interconnecting piece 17-2 are equipped with 3 spare stitch hole 17-2-1 being spacedly distributed.
(embodiment 2, the switch transformer component with primary coil)
See Fig. 6 to Fig. 8, the switch transformer component with primary coil of the present embodiment include skeleton 1, primary coil 2,
Degaussing coil 3, boost voltage coil 4 and stitch 5, the skeleton 1 use the bone of the switch transformer obtained by embodiment 1
Frame.Stitch 5 by 8, be respectively fixedly disposed at the left stitch interconnecting piece 17-1 of skeleton 12 primary coil stitch hole 17-1-1,
In 3 spare stitch hole 17-2-1 of 3 auxiliary and degaussing coil stitch hole 17-1-2 and right stitch interconnecting piece 17-2.
Primary coil 2, degaussing coil 3, boost voltage coil 4 are all made of conductor wire, and the present embodiment uses conductive copper wire;Just
Grade coil 2 be wrapped in the left primary coil slot 15-2 and right primary coil slot 15-6 of skeleton 1, the starting point of primary coil 2 and
Clearing end is welded to connect with the stitch 5 in 2 primary coil stitch hole 17-1-1 of left stitch interconnecting piece 17-1 respectively;Remove magnet-wire
Circle 3 is wrapped in degaussing coil slot 15-4, and boost voltage coil 4 is wrapped in boost voltage coil slot 15-1,3 He of degaussing coil
The starting point of boost voltage coil 4 or clearing end share 1 in the degaussing coil stitch hole 17-1-2 of left stitch interconnecting piece 17-1
A stitch 5, thus the degaussing of the starting point or clearing end of degaussing coil 3 and boost voltage coil 4 and left stitch interconnecting piece 17-1
Same 1 stitch 5 in coil stitch hole 17-1-2 is welded to connect, the other end of degaussing coil 3 and boost voltage coil 4 respectively with
Stitch 5 in remaining 2 degaussing coil stitch hole 17-1-2 of left stitch interconnecting piece 17-1 is welded to connect.Primary coil 2 is gone
The equal insulation processing in the cross-contact position of magnetic coil 3 and boost voltage coil 4 wraps up coil using insulating tape in the present embodiment
Copper wire realizes insulation processing.
(embodiment 3, switch transformer)
See that Fig. 9 to Figure 11, the switch transformer of the present embodiment include the switch with primary coil obtained by embodiment 2
Transformer device, magnetic core 6, secondary coil 7 and fixed adhesive plaster 8.See Figure 12, the quantity of the magnetic core 6 is 2, using model
For the general magnetic core of EPC39, magnetic core 6 makees paint-dipping process processing, the left or right of the shape and skeleton 1 on the head of magnetic core 6
Shape is corresponding, and the shape of the core of magnetic core 6 and the magnetic loop hole 11-1 of skeleton 1 are corresponding.Still see Fig. 9 to Figure 11,2 magnetic cores 6
It is inserted into the 11-1 of magnetic loop hole from the left and right ends of skeleton 1 by its core up to the head of 2 magnetic cores 6 is respectively embedded into skeleton respectively
In 1 left side and right side, so that the limit of about 6 magnetic core is arranged on skeleton 1, and magnetic loop is formed;2 magnetic cores 6 pass through
It is fixedly connected from circumferential using the fixed winding of adhesive plaster 8, so that magnetic core 6 or so is installed on skeleton 1.
1 to 8 circle of quantity of secondary coil 8, every circle secondary coil 7 include 1 to 3 inductor loop conductor 71;The present embodiment
The quantity of middle secondary coil 7 is 2 circles, and every circle secondary coil 7 includes 1 inductor loop conductor 71.See that Figure 13 to Figure 15, inductance are returned
Road conductor 71 is whole to be inverted U shape, and is made of copper material or copper clad aluminum material, and the copper material uses the preferable red copper of electric conductivity, electricity
Feel the circular in cross-section or kidney ellipsoid of return conductors 71, area of section is 0.5 to 10mm2, inductor loop in the present embodiment
Circular in cross-section, the area of section 2mm of conductor 712.Inverted U-shaped inductor loop conductor 71 has 2 connecting pins.Still see figure
9 to Figure 11, the openings of sizes at 2 connecting pins of inductor loop conductor 71 is corresponding with left secondary wire ring recess 15-3, inductor loop
The height of conductor 71 is corresponding with the height of left primary coil slot 15-2.2 circle secondary coils 7 are separately positioned on left secondary wire ring recess
In 15-3 and right secondary wire ring recess 15-5, all inductor loop conductors 71 respectively by its opening after the principal part 11 of skeleton 1 by
Its 2 connecting pins stretch out left secondary wire ring recess 15-3 or right secondary wire ring recess 15-5, the connecting pin of inductor loop conductor 71 are
The starting point of secondary coil 7 and clearing end.The present embodiment switch transformer installation on circuit boards when, by its 8 stitch 9 with
And the connecting pin of all inductor loop conductors 71 pass through circuit board corresponding via hole after slicker solder weld by way of and circuit board
Electrical connection.
(embodiment 4, Switching Power Supply)
See Figure 16 to Figure 18, the Switching Power Supply of the present embodiment includes shell 91, circuit board 92 and obtained by embodiment 3
Switch transformer, circuit board 92 are the printed circuit board for Switching Power Supply, and English name is PCB(Printed Circuit
Board);The conductive copper foil for entire circuit is printed on circuit board 92.Circuit board 92 is mounted in shell 91.Circuit
Switch transformer and all kinds of electronic components (being not shown in addition to inductance in figure) for Switching Power Supply are installed on plate 92.It opens
8 stitch 5 for closing transformer are electrically connected in such a way that slicker solder welds with circuit board 92 after the corresponding via hole of circuit board 92,
After 2 connecting pins of all inductor loop conductors 71 of the secondary coil 7 of switch transformer pass through the corresponding via hole of circuit board 92
It is electrically connected in such a way that slicker solder welds with circuit board 92, so that switch transformer is fixedly connected on circuit board 92.Every circle
Be connected in parallel between 1 to 3 inductor loop conductor 71 included by secondary coil 7 by circuit board 92, each circle secondary coil 7 it
Between be connected in series by circuit board 92, so that each circle secondary coil 7 completes circuit connection by circuit board 92.
(embodiment 5, Switching Power Supply)
Still see Figure 16 to Figure 18, the Switching Power Supply of the present embodiment is substantially the same manner as Example 4, the difference is that: also
Including inductance 93.Inductance 93 includes magnet ring 93-1 and 1 to 25 circle inductance coil, and the surface the magnet ring 93-1 is covered with insulating layer;Often
Circle inductance coil includes 1 to 3 second inductor loop conductor 93-2, and the quantity of inductance coil is 4 circles in the present embodiment, every circle electricity
Feeling coil includes 2 second inductor loop conductor 93-2;Second inductor loop conductor 93-2 is integrally inverted U shape, using copper material or
Copper clad aluminum material is made, and the copper material uses the preferable red copper of electric conductivity, and the cross section of the second inductor loop conductor 93-2 is in circle
Shape or kidney ellipsoid, area of section are 0.5 to 10mm2, the area of section of the second inductor loop conductor 93-2 is in the present embodiment
2mm2.The second inverted U-shaped inductor loop conductor 93-2 has 2 connecting pins.2 connecting pins of second inductor loop conductor 93-2
The openings of sizes at place is corresponding with the ring diameter of magnet ring 93-1, the height of the second inductor loop conductor 93-2 and the height pair of magnet ring 93-1
It answers.All second inductor loop conductor 93-2 are connected after the ring portion of magnet ring 93-1 with magnet ring 93-1 tight fit by its opening respectively
It connects, 2 connecting pins for covering the second inductor loop conductor 93-2 on magnet ring 93-1 lead to after the corresponding via hole of circuit board 92
The mode for crossing slicker solder welding is electrically connected with circuit board 92, and the second inductor loop conductor 93-2 is fixedly connected on circuit board 92,
To which also limit is arranged on circuit board 92 magnet ring 93-1 under the action of the second inductor loop conductor 93-2.Every circle inductance coil
It is connected in parallel between 1 to 3 included second inductor loop conductor 93-2 by circuit board 92, is led between each circle inductance coil
Oversampling circuit plate 92 is connected in series, so that each circle inductance coil completes circuit connection by circuit board 92, each circle inductance coil is surrounded
The equiangularly spaced distribution in the center of magnet ring 93-1.
(embodiment 6, Switching Power Supply)
The Switching Power Supply of the present embodiment and embodiment 4 or 5 are essentially identical, the difference is that: it further include auxiliary copper wire
94, the overcurrent size such as the copper-foil conducting electricity of circuit board 92 is inadequate, then 2 connected second inductor loops of front and back in circuit
Pass through increase between the corresponding connecting pin of 2 connected inductor loop conductors 71 of between the corresponding connecting pin of conductor 93-2 or front and back
Copper wire 94 is assisted to increase electric current, the phase of the auxiliary copper wire 94 and the second inductor loop conductor 93-2 or inductor loop conductor 71
It answers and electrical connection is realized by welding or conducting resinl between connecting pin, the welding surface or element of circuit board 92 is arranged in auxiliary copper wire 94
Figure 19 is seen in surface side, and the welding surface side of circuit board 92 is arranged in auxiliary copper wire 94 in the present embodiment, and the auxiliary setting of copper wire 94 exists
Between the corresponding connecting pin of 2 inductor loop conductors 71 of the secondary coil 7 of switch transformer.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (1)
1. a kind of switch transformer, it is characterised in that: including the switch transformer component with primary coil, magnetic core (6), secondary
Coil (7) and fixation adhesive plaster (8);
Switch transformer component with primary coil includes skeleton (1), primary coil (2), degaussing coil (3), boost voltage
Coil (4) and stitch (5);
Skeleton (1) include centrally located principal part (11), be symmetricly set on principal part (11) the left and right sides magnetic core limiting section with
And the stitch interconnecting piece of the lower section of corresponding magnetic core limiting section is set;The center of principal part (11) is equipped with left and right perforation for pacifying
Fill the magnetic loop hole (11-1) of magnetic core;Magnetic core limiting section and principal part (11) left and right penetrate through, and magnetic core limiting section and magnetic loop hole
The shape of (11-1) and the shape of magnetic core are corresponding;The outer periphery of principal part (11) is axially successively arranged boost voltage coil slot (15-
1), left primary coil slot (15-2), left secondary wire ring recess (15-3), degaussing coil slot (15-4), right secondary wire ring recess (15-5)
With right primary coil slot (15-6), the peripheral shape of left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5) is in U-shape;Needle
Foot interconnecting piece includes positioned at the left stitch interconnecting piece (17-1) of the lower section of lower-left limiting section (13-2) and positioned at bottom right limiting section
The right stitch interconnecting piece (17-2) of the lower section of (13-4);The lower end of left stitch interconnecting piece (17-1) is equipped with 5 stitch holes, including 2
A primary coil stitch hole (17-1-1) and 3 auxiliary and degaussing coil stitch hole (17-1-2), between equal between 5 stitch holes
4 left coil guide grooves (17-1-3) are equipped between distribution, 5 stitch holes;The lower end of right stitch interconnecting piece (17-2) is equipped with
The spare stitch hole (17-2-1) of 3 to be spacedly distributed;
Stitch (5) has 8, is respectively fixedly disposed at 2 primary coil stitch holes of the left stitch interconnecting piece (17-1) of skeleton (1)
3 spare stitch holes of (17-1-1), 3 auxiliary and degaussing coil stitch hole (17-1-2) and right stitch interconnecting piece (17-2)
In (17-2-1);
Primary coil (2), degaussing coil (3), boost voltage coil (4) are all made of conductor wire;Primary coil (2) is wrapped in skeleton
(1) left primary coil slot (15-2) and right primary coil slot (15-6) is interior, the starting point of primary coil (2) and clearing end difference
It is welded to connect with the stitch (5) in 2 primary coil stitch holes (17-1-1) of left stitch interconnecting piece (17-1);Degaussing coil
(3) it is wrapped in degaussing coil slot (15-4), boost voltage coil (4) is wrapped in boost voltage coil slot (15-1), degaussing
The starting point or clearing end of coil (3) and boost voltage coil (4) share the degaussing coil stitch of left stitch interconnecting piece (17-1)
1 stitch (5) in hole (17-1-2), thus the starting point or clearing end of degaussing coil (3) and boost voltage coil (4) and a left side
Same 1 stitch (5) in the degaussing coil stitch hole 17-1-2 of stitch interconnecting piece (17-1) is welded to connect, degaussing coil (3) and
The other end of boost voltage coil (4) respectively with remaining 2 degaussing coil stitch hole 17-1- of left stitch interconnecting piece (17-1)
Stitch (5) in 2 is welded to connect;The cross-contact position of primary coil (2), degaussing coil (3) and boost voltage coil (4) is equal
Insulation processing;
The quantity of the magnetic core (6) is 2, and magnetic core (6) makees paint-dipping process processing, shape and skeleton (1) on the head of magnetic core (6)
Left or right shape it is corresponding, the shape of the core of magnetic core (6) is corresponding with magnetic loop hole (11-1) of skeleton (1);2 magnetic
Core (6) is inserted into magnetic loop hole (11-1) from the left and right ends of skeleton (1) by its core up to the head of 2 magnetic cores (6) respectively
It is respectively embedded into the left side and right side of skeleton (1), is arranged on skeleton (1) so that magnetic core (6) limits up and down, and form magnetic
Circuit;2 magnetic cores (6) are fixedly connected by from circumferential wound using fixed adhesive plaster (8), so that magnetic core (6) left and right be limited
It is mounted on skeleton (1);
The quantity of secondary coil is 1 to 8 circle, and every circle secondary coil (7) includes 1 to 3 inductor loop conductor (71);Inductor loop
Conductor (71) is integrally inverted U shape, and is made of copper material or aluminum core copper wire or aluminum material, and the copper material is preferably purple using electric conductivity
Copper, the circular in cross-section or kidney ellipsoid of inductor loop conductor (71), area of section are 0.5 to 10mm2;Inverted U-shaped inductance
Return conductors (71) have 2 connecting pins;Openings of sizes and left secondary coil at 2 connecting pins of inductor loop conductor (71)
Slot (15-3) is corresponding, and the height of inductor loop conductor (71) is corresponding with the height of left primary coil slot (15-2);2 circle secondary coils
(7) it is separately positioned in left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5), all inductor loop conductors (71) point
Left secondary wire ring recess (15-3) or right secondary are not stretched out by its 2 connecting pins after the principal part (11) of skeleton (1) by its opening
Coil slot (15-5), the connecting pin of inductor loop conductor (71) are starting point and the clearing end of secondary coil (7).
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CN201710474587.3A CN107221418B (en) | 2015-03-04 | 2015-03-04 | Switch transformer |
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CN201710474587.3A CN107221418B (en) | 2015-03-04 | 2015-03-04 | Switch transformer |
CN201510096673.6A CN104681253B (en) | 2015-03-04 | 2015-03-04 | Switch transformer and Switching Power Supply |
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CN201710474385.9A Active CN107481838B (en) | 2015-03-04 | 2015-03-04 | Switch transformer assembly with primary coil and switch power supply |
CN201510096673.6A Expired - Fee Related CN104681253B (en) | 2015-03-04 | 2015-03-04 | Switch transformer and Switching Power Supply |
CN201710474881.4A Active CN107221419B (en) | 2015-03-04 | 2015-03-04 | Framework of switch transformer and switch power supply |
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CN201510096673.6A Expired - Fee Related CN104681253B (en) | 2015-03-04 | 2015-03-04 | Switch transformer and Switching Power Supply |
CN201710474881.4A Active CN107221419B (en) | 2015-03-04 | 2015-03-04 | Framework of switch transformer and switch power supply |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106683853B (en) * | 2017-03-17 | 2020-10-02 | 艾德克斯电子(南京)有限公司 | Transformer framework, transformer connecting circuit and switching power supply |
CN107452485A (en) * | 2017-09-08 | 2017-12-08 | 天宝电子(惠州)有限公司 | A kind of assembly type transformer |
WO2019245233A1 (en) * | 2018-06-22 | 2019-12-26 | 엘지이노텍(주) | Transformer |
CN108831708A (en) * | 2018-07-31 | 2018-11-16 | 遂宁普思电子有限公司 | integrated LLC transformer |
CN108933022B (en) * | 2018-08-24 | 2024-02-27 | 海盐爱建股份有限公司 | Ignition coil with stable structure |
CN114823096B (en) * | 2022-06-25 | 2022-10-21 | 深圳市万志宇科技有限公司 | Electronic transformer with anti-creeping function |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2529375A1 (en) * | 1982-06-23 | 1983-12-30 | Legrand Sa | ELECTROMAGNETIC DEVICE, SUCH AS AN ELECTRICAL TRANSFORMER, OF THE KIND COMPRISING A TWO-PART CARCASS |
GB8321065D0 (en) * | 1983-08-04 | 1983-09-07 | Plessey Co Plc | Transformer bobbin |
CN1009787B (en) * | 1985-05-11 | 1990-09-26 | 西门子公司 | Switching elements of free oscillatory passage converter |
JPH01227410A (en) * | 1988-03-08 | 1989-09-11 | Kijima:Kk | Small-sized transformer |
JPH0917653A (en) * | 1995-06-30 | 1997-01-17 | Tokin Corp | Coil |
JP3299088B2 (en) * | 1995-09-05 | 2002-07-08 | リコー計器株式会社 | Transformer bobbin structure |
JPH09139317A (en) * | 1995-11-10 | 1997-05-27 | Tokin Corp | Combined choke coil and bobbin for the coil used for the combined choke coil |
JPH10340820A (en) * | 1997-06-06 | 1998-12-22 | Tec Corp | Coil bobbin |
CN1168105C (en) * | 2000-07-28 | 2004-09-22 | 达方电子股份有限公司 | Winding frame for transformer |
DE10148133A1 (en) * | 2001-09-28 | 2003-04-24 | Ascom Energy Systems Ag Bern | Flat transformer with inserted secondary windings |
JP2004128160A (en) * | 2002-10-01 | 2004-04-22 | Murata Mfg Co Ltd | High voltage transformer |
US20070241853A1 (en) * | 2006-04-12 | 2007-10-18 | Taipei Multipower Electronics Co., Ltd. | Transformer |
CN2929928Y (en) * | 2006-07-14 | 2007-08-01 | 和进电子股份有限公司 | Transformer structure |
CN201262882Y (en) * | 2008-09-05 | 2009-06-24 | 东莞创慈磁性元件有限公司 | Special winding bracket of transformer |
CN201430065Y (en) * | 2009-08-01 | 2010-03-24 | 海宁联丰东进电子有限公司 | Split-slot type switch transformer |
CN201622903U (en) * | 2009-11-27 | 2010-11-03 | 厦门赛特勒磁电有限公司 | Novel multi-groove flyback high frequency transformer |
CN101740196B (en) * | 2010-02-11 | 2012-09-05 | 上海汇慧电子通讯有限公司 | Common and differential mode inductor |
CN101794665A (en) * | 2010-04-02 | 2010-08-04 | 江苏泰昌电子有限公司 | Groove-splitting high-frequency switch power transformer |
CN101800121A (en) * | 2010-04-20 | 2010-08-11 | 江苏泰昌电子有限公司 | Asymmetric thin high-frequency switching power supply transformer |
CN201910316U (en) * | 2010-07-26 | 2011-07-27 | 乐清市科发电子有限公司 | Transformer skeleton |
CN202178142U (en) * | 2011-07-29 | 2012-03-28 | 深圳麦格米特电气股份有限公司 | Inductor/transformer and automobile power supply circuit board |
CN103137305B (en) * | 2011-12-01 | 2016-12-21 | 台达电子企业管理(上海)有限公司 | A kind of transformator conductive structure and transformator |
CN102881420A (en) * | 2012-09-06 | 2013-01-16 | 苏州市吴中区大陆电子设备厂 | Transformer framework |
CN103247429A (en) * | 2013-05-02 | 2013-08-14 | 深圳创维-Rgb电子有限公司 | Transformer framework, transformer and switching power supply |
CN104167286A (en) * | 2013-10-30 | 2014-11-26 | 佛山市顺德区尚研电子科技有限公司 | Variable-frequency power transformer |
TWI463508B (en) * | 2014-04-22 | 2014-12-01 | Yujing Technology Co Ltd | The improved structure of the transformer |
CN204578339U (en) * | 2015-03-04 | 2015-08-19 | 常州首普电源科技有限公司 | A kind of Switching Power Supply |
CN106531402A (en) * | 2016-12-21 | 2017-03-22 | 深圳明创自控技术有限公司 | High-tension transformer cabinet used for electric power system |
-
2015
- 2015-03-04 CN CN201710474587.3A patent/CN107221418B/en active Active
- 2015-03-04 CN CN201710474385.9A patent/CN107481838B/en active Active
- 2015-03-04 CN CN201510096673.6A patent/CN104681253B/en not_active Expired - Fee Related
- 2015-03-04 CN CN201710474881.4A patent/CN107221419B/en active Active
Also Published As
Publication number | Publication date |
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CN107221419A (en) | 2017-09-29 |
CN107481838A (en) | 2017-12-15 |
CN107221418A (en) | 2017-09-29 |
CN107221419B (en) | 2019-03-19 |
CN107481838B (en) | 2020-05-01 |
CN104681253A (en) | 2015-06-03 |
CN104681253B (en) | 2017-06-13 |
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