CN104681253A - Switching transformer and switching power supply - Google Patents
Switching transformer and switching power supply Download PDFInfo
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- CN104681253A CN104681253A CN201510096673.6A CN201510096673A CN104681253A CN 104681253 A CN104681253 A CN 104681253A CN 201510096673 A CN201510096673 A CN 201510096673A CN 104681253 A CN104681253 A CN 104681253A
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- 239000004020 conductor Substances 0.000 claims abstract description 114
- 230000000694 effects Effects 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 56
- 239000010949 copper Substances 0.000 claims description 45
- 229910052802 copper Inorganic materials 0.000 claims description 45
- 230000000977 initiatory effect Effects 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 229910000679 solder Inorganic materials 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000011505 plaster Substances 0.000 claims description 11
- 241000500881 Lepisma Species 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 210000003734 kidney Anatomy 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002390 adhesive tape Substances 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 2
- 238000013461 design 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
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- 239000004637 bakelite Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—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
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- 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
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- 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 switching transformer and a switching power supply. The switching power supply comprises a housing, a circuit board and various electronic components, wherein the various electronic components including the switching transformer are installed on the circuit board, and the circuit board is installed in the housing. The switching transformer comprises a switching transformer assembly, a magnetic core, secondary coils and a fixed adhesive tape, wherein the switching transformer assembly is provided with a primary coil and comprises a skeleton, the primary coil, a demagnetizing coil, an auxiliary voltage coil and a pin, the quantity of the secondary coils 8 is 1 to 8 turns, each turn of the secondary coils comprises 1 to 3 inductance loop conductors which are integrally in an inverted U shape, the pin of the switching transformer is electrically connected with the circuit board, two connecting ends of each of the inductance loop conductors of the secondary coils of the switching transformer pass through corresponding through holes of the circuit board and then are electrically connected with the circuit board in a lead and tin welding mode, and loop connection of each turn of the secondary coils is completed through the circuit board. The switching transformer has the advantages of simple manufacturing process and good heat dissipation effect.
Description
Technical field
The present invention relates to a kind of Switching Power Supply, particularly a kind of Switching Power Supply that high frequency switch transformer is housed.
Background technology
Along with the high speed development of power electronic technology, the work of power electronic equipment and people, the relation of life are day by day close, and electronic equipment all be unable to do without reliable power supply, enter computer power supply round Realization eighties Switching Power Supply, taken the lead in computer power supply regenerate, enter nineties Switching Power Supply and in succession enter various electronics, electric equipment field, stored-program control exchange, communication, electron detection device power supply, control appliance power supply etc. employ Switching Power Supply all widely, more facilitate developing rapidly of switch power technology.
Usual Switching Power Supply comprises longitudinal casing and one piece of fixing printed circuit board (PCB) in the enclosure of an aluminum alloy or steel, also be provided with the heat abstractor such as fin or fan between shell and circuit board, the screw be provided with by the shell of the securing members such as screw and Switching Power Supply can by fixing for Switching Power Supply on an electronic device.Circuit board is provided with high frequency switch transformer, the electronic devices and components such as inductance, high frequency switch transformer mainly comprises skeleton, through magnetic core and the armature winding that is arranged on skeleton of skeleton, secondary winding, armature winding and secondary winding are wrapped on skeleton in form of a coil, secondary coil encloses with the copper cash one of whole circle to be wound around loop, primary coil and secondary coil are all radial distribution, the coil that whole circle is like this wound around makes caloric value larger, and multiple-turns wound makes the radiating effect of electronic devices and components poor, in addition for the ease of the winding of coil, the diameter of coil must design the less toughness of coil that makes better has carried out winding, and the less words of the diameter of coil just need the number of turn increasing coil, so the increase of the number of turn of coil just makes the operation be wound around increase equally, the processing technology of described switch transformer is too complicated, manufacture manpower high cost, and when there is the problem of such as aging fracture etc. in certain position of coil, need to change whole switch transformer.In addition, the secondary coil that whole circle is wound around needs to use more insulating tape in insulating Design, and cost is also higher.Namely there is above-mentioned each shortcoming in the PQ35 switch transformer that market such as, extensively sell.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of structure simple and the switch transformer that manufacturing cost is lower and Switching Power Supply, and the radiating effect of this switch transformer and Switching Power Supply better and be convenient to maintenance.
One of technical scheme realizing the object of the invention is to provide a kind of skeleton of switch transformer, comprise be positioned at central authorities principal part, be symmetricly set on the magnetic core limiting section of the left and right sides of principal part and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section.The central authorities of principal part are provided with the through magnetic loop hole for installing magnetic core, left and right.Magnetic core limiting section and principal part left and right through, and the shape in magnetic core limiting section and magnetic loop hole and the shape of magnetic core corresponding.The periphery of principal part is provided with boost voltage coil groove, left primary coil groove, left secondary wire ring recess, degaussing coil groove, right secondary wire ring recess and right primary coil groove vertically successively, and the peripheral shape of left secondary wire ring recess and right secondary wire ring recess takes the shape of the letter U.Stitch connecting portion is provided with the stitch hole for installing stitch that Open Side Down.
Further, the magnetic core limiting section being positioned at the left side of principal part comprises left limit plate, upper left limiting section and lower-left limiting section, and the magnetic core limiting section being positioned at the right side of principal part comprises right limit plate, upper right limiting section and bottom right limiting section.Left limit plate, right limit plate are equipped with the through hole through with magnetic loop hole, left limit plate and right limit plate are the plate portions formed after removing the large cambered plate such as by the upper and lower symmetry of the circular slab being provided with center through hole, upper left limiting section, lower-left limiting section protrude from left limit plate up and down symmetrically, upper right limiting section, bottom right limiting section protrude from right limit plate up and down symmetrically, upper left limiting section, upper right limiting section are in falling isosceles triangle shape, and lower-left limiting section, bottom right limiting section are isosceles triangle shape.The shape that left limit plate, upper left limiting section and lower-left limiting section are formed is corresponding with the magnetic core of switch transformer, and the shape that right limit plate, upper right limiting section and bottom right limiting section are formed is corresponding with the magnetic core of switch transformer.
Further, the skeleton of described switch transformer also comprises the first space bar, the second space bar, the 3rd space bar, the 4th space bar, the 5th space bar and insulation board.The periphery left part of principal part is provided with ringwise and the first space bar of lower ending opening, and described first space bar and principal part, left limit plate form boost voltage coil groove.Be provided with ringwise and the second space bar of lower ending opening in the middle part of the periphery of principal part, 3rd space bar, 4th space bar and the 5th space bar, second space bar, 3rd space bar, 4th space bar and the 5th space bar are spacedly distributed from left to right, thus the second space bar and principal part, first space bar forms left primary coil groove, second space bar and principal part, 3rd space bar forms left secondary wire ring recess, 4th space bar and principal part, 3rd space bar forms degaussing coil groove, 4th space bar and principal part, 5th space bar forms right secondary wire ring recess, 5th space bar and principal part, right limit plate forms right primary coil groove.Insulation board has 4, both sides before and after the bottom that insulation board is separately positioned on left secondary wire ring recess and right secondary wire ring recess, thus left secondary wire ring recess and right secondary wire ring recess take the shape of the letter U.
Further, stitch connecting portion comprises the left stitch connecting portion of the below being positioned at lower-left limiting section and is positioned at the right stitch connecting portion of below of bottom right limiting section.The lower end of left stitch connecting portion is provided with 5 stitch holes, comprises 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch holes, is spacedly distributed, is provided with 4 left coil gathering sills between 5 stitch holes between 5 stitch holes.The lower end of right stitch connecting portion is provided with 3 the stitch holes for subsequent use be spacedly distributed.
Realize two of the technical scheme of the object of the invention and be to provide a kind of switch transformer assembly with primary coil, comprise skeleton, primary coil, degaussing coil, boost voltage coil and stitch.
Skeleton comprise be positioned at central authorities principal part, be symmetricly set on the magnetic core limiting section of the left and right sides of principal part and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section.The central authorities of principal part are provided with the through magnetic loop hole for installing magnetic core, left and right.Magnetic core limiting section and principal part left and right through, and the shape in magnetic core limiting section and magnetic loop hole and the shape of magnetic core corresponding.The periphery of principal part is provided with boost voltage coil groove, left primary coil groove, left secondary wire ring recess, degaussing coil groove, right secondary wire ring recess and right primary coil groove vertically successively, and the peripheral shape of left secondary wire ring recess and right secondary wire ring recess takes the shape of the letter U.Stitch connecting portion comprises the left stitch connecting portion of the below being positioned at lower-left limiting section and is positioned at the right stitch connecting portion of below of bottom right limiting section.The lower end of left stitch connecting portion is provided with 5 stitch holes, comprises 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch holes, is spacedly distributed, is provided with 4 left coil gathering sills between 5 stitch holes between 5 stitch holes.The lower end of right stitch connecting portion is provided with 3 the stitch holes for subsequent use be spacedly distributed.
Stitch, by 8, is fixedly installed in 3 stitch holes for subsequent use of 2 primary coil stitch holes of the left stitch connecting portion of skeleton, 3 auxiliary and degaussing coil stitch hole and right stitch connecting portions respectively.
Primary coil, degaussing coil, boost voltage coil all adopt conductor wire.In the left primary coil groove that primary coil is wrapped in skeleton and right primary coil groove, the initiating terminal of primary coil and clearing end are welded to connect with the stitch in 2 primary coil stitch holes of left stitch connecting portion respectively.Degaussing coil is wrapped in degaussing coil groove, boost voltage coil winding is in boost voltage coil groove, the initiating terminal of degaussing coil and boost voltage coil or clearing end share 1 stitch in the degaussing coil stitch hole 17-1-2 of left stitch connecting portion, thus same 1 stitch in the degaussing coil stitch hole 17-1-2 of the initiating terminal of degaussing coil and boost voltage coil or clearing end and left stitch connecting portion is welded to connect, the other end of degaussing coil and boost voltage coil is welded to connect with the stitch in 2 remaining degaussing coil stitch hole 17-1-2 of left stitch connecting portion respectively.The equal insulation processing in cross-contact position of primary coil, degaussing coil and boost voltage coil.
Realize three of the technical scheme of the object of the invention and be to provide a kind of switch transformer, comprise switch transformer assembly, magnetic core, secondary coil and the fixing adhesive plaster with primary coil.
The switch transformer assembly with primary coil comprises skeleton, primary coil, degaussing coil, boost voltage coil and stitch.
Skeleton comprise be positioned at central authorities principal part, be symmetricly set on the magnetic core limiting section of the left and right sides of principal part and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section.The central authorities of principal part are provided with the through magnetic loop hole for installing magnetic core, left and right.Magnetic core limiting section and principal part left and right through, and the shape in magnetic core limiting section and magnetic loop hole and the shape of magnetic core corresponding.The periphery of principal part is provided with boost voltage coil groove, left primary coil groove, left secondary wire ring recess, degaussing coil groove, right secondary wire ring recess and right primary coil groove vertically successively, and the peripheral shape of left secondary wire ring recess and right secondary wire ring recess takes the shape of the letter U.Stitch connecting portion comprises the left stitch connecting portion of the below being positioned at lower-left limiting section and is positioned at the right stitch connecting portion of below of bottom right limiting section.The lower end of left stitch connecting portion is provided with 5 stitch holes, comprises 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch holes, is spacedly distributed, is provided with 4 left coil gathering sills between 5 stitch holes between 5 stitch holes.The lower end of right stitch connecting portion is provided with 3 the stitch holes for subsequent use be spacedly distributed.
Stitch, by 8, is fixedly installed in 3 stitch holes for subsequent use of 2 primary coil stitch holes of the left stitch connecting portion of skeleton, 3 auxiliary and degaussing coil stitch hole and right stitch connecting portions respectively.
Primary coil, degaussing coil, boost voltage coil all adopt conductor wire.In the left primary coil groove that primary coil is wrapped in skeleton and right primary coil groove, the initiating terminal of primary coil and clearing end are welded to connect with the stitch in 2 primary coil stitch holes of left stitch connecting portion respectively.Degaussing coil is wrapped in degaussing coil groove, boost voltage coil winding is in boost voltage coil groove, the initiating terminal of degaussing coil and boost voltage coil or clearing end share 1 stitch in the degaussing coil stitch hole 17-1-2 of left stitch connecting portion, thus same 1 stitch in the degaussing coil stitch hole 17-1-2 of the initiating terminal of degaussing coil and boost voltage coil or clearing end and left stitch connecting portion is welded to connect, the other end of degaussing coil and boost voltage coil is welded to connect with the stitch in 2 remaining degaussing coil stitch hole 17-1-2 of left stitch connecting portion respectively.The equal insulation processing in cross-contact position of primary coil, degaussing coil and boost voltage coil.
The quantity of described magnetic core is 2, and paint-dipping process process done by magnetic core, and the shape of the head of magnetic core is corresponding with the shape of the left end of skeleton or right-hand member, and the shape of the core of magnetic core is corresponding with the magnetic loop hole of skeleton.2 magnetic cores to be inserted magnetic loop hole from the two ends, left and right of skeleton by its core respectively until in the head of 2 magnetic cores left side that embeds skeleton respectively and right side, thus magnetic core is spacing is up and down arranged on skeleton, and form magnetic loop.2 magnetic cores are fixedly connected with by using fixing adhesive plaster to be wound around from circumference, thus are installed in about magnetic core on skeleton.
Quantity 1 to 8 circle of secondary coil 8, every circle secondary coil comprises 1 to 3 inductor loop conductor.Inductor loop conductor entirety is in inverted U-shaped, and adopt copper material or aluminum core copper wire or aluminum to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of inductor loop conductor or kidney ellipsoid, its area of section is 0.5 to 10mm
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2.Inverted U-shaped inductor loop conductor has 2 links.The openings of sizes at 2 link places of inductor loop conductor is corresponding with left secondary wire ring recess, and the height of inductor loop conductor is corresponding with the height of left primary coil groove.2 circle secondary coils are separately positioned in left secondary wire ring recess and right secondary wire ring recess, all inductor loop conductors stretch out left secondary wire ring recess or right secondary wire ring recess through after the principal part of skeleton by its 2 links by its opening respectively, and the link of inductor loop conductor is initiating terminal and the clearing end of secondary coil.
Realize four of the technical scheme of the object of the invention and be to provide a kind of Switching Power Supply, all kinds of electronic devices and components for Switching Power Supply comprising switch transformer comprising shell, circuit board and install on circuit boards.Circuit boards has the Copper Foil of the conduction for whole circuit.Circuit board is installed in the enclosure.
Described switch transformer comprises switch transformer assembly, magnetic core, secondary coil and the fixing adhesive plaster with primary coil.
The switch transformer assembly with primary coil comprises skeleton, primary coil, degaussing coil, boost voltage coil and stitch.
Skeleton comprise be positioned at central authorities principal part, be symmetricly set on the magnetic core limiting section of the left and right sides of principal part and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section.The central authorities of principal part are provided with the through magnetic loop hole for installing magnetic core, left and right.Magnetic core limiting section and principal part left and right through, and the shape in magnetic core limiting section and magnetic loop hole and the shape of magnetic core corresponding.The periphery of principal part is provided with boost voltage coil groove, left primary coil groove, left secondary wire ring recess, degaussing coil groove, right secondary wire ring recess and right primary coil groove vertically successively, and the peripheral shape of left secondary wire ring recess and right secondary wire ring recess takes the shape of the letter U.Stitch connecting portion comprises the left stitch connecting portion of the below being positioned at lower-left limiting section and is positioned at the right stitch connecting portion of below of bottom right limiting section.The lower end of left stitch connecting portion is provided with 5 stitch holes, comprises 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch holes, is spacedly distributed, is provided with 4 left coil gathering sills between 5 stitch holes between 5 stitch holes.The lower end of right stitch connecting portion is provided with 3 the stitch holes for subsequent use be spacedly distributed.
Stitch, by 8, is fixedly installed in 3 stitch holes for subsequent use of 2 primary coil stitch holes of the left stitch connecting portion of skeleton, 3 auxiliary and degaussing coil stitch hole and right stitch connecting portions respectively.
Primary coil, degaussing coil, boost voltage coil all adopt conductor wire.In the left primary coil groove that primary coil is wrapped in skeleton and right primary coil groove, the initiating terminal of primary coil and clearing end are welded to connect with the stitch in 2 primary coil stitch holes of left stitch connecting portion respectively.Degaussing coil is wrapped in degaussing coil groove, boost voltage coil winding is in boost voltage coil groove, the initiating terminal of degaussing coil and boost voltage coil or clearing end share 1 stitch in the degaussing coil stitch hole 17-1-2 of left stitch connecting portion, thus same 1 stitch in the degaussing coil stitch hole 17-1-2 of the initiating terminal of degaussing coil and boost voltage coil or clearing end and left stitch connecting portion is welded to connect, the other end of degaussing coil and boost voltage coil is welded to connect with the stitch in 2 remaining degaussing coil stitch hole 17-1-2 of left stitch connecting portion respectively.The equal insulation processing in cross-contact position of primary coil, degaussing coil and boost voltage coil.
The quantity of described magnetic core is 2, and paint-dipping process process done by magnetic core, and the shape of the head of magnetic core is corresponding with the shape of the left end of skeleton or right-hand member, and the shape of the core of magnetic core is corresponding with the magnetic loop hole of skeleton.2 magnetic cores to be inserted magnetic loop hole from the two ends, left and right of skeleton by its core respectively until in the head of 2 magnetic cores left side that embeds skeleton respectively and right side, thus magnetic core is spacing is up and down arranged on skeleton, and form magnetic loop.2 magnetic cores are fixedly connected with by using fixing adhesive plaster to be wound around from circumference, thus are installed in about magnetic core on skeleton.
Quantity 1 to 8 circle of secondary coil 8, every circle secondary coil comprises 1 to 3 inductor loop conductor.Inductor loop conductor entirety is in inverted U-shaped, and adopt copper material or aluminum core copper wire or aluminum to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of inductor loop conductor or kidney ellipsoid, its area of section is 0.5 to 10mm
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2.Inverted U-shaped inductor loop conductor has 2 links.The openings of sizes at 2 link places of inductor loop conductor is corresponding with left secondary wire ring recess, and the height of inductor loop conductor is corresponding with the height of left primary coil groove.2 circle secondary coils are separately positioned in left secondary wire ring recess and right secondary wire ring recess, all inductor loop conductors stretch out left secondary wire ring recess or right secondary wire ring recess through after the principal part of skeleton by its 2 links by its opening respectively, and the link of inductor loop conductor is initiating terminal and the clearing end of secondary coil.
8 stitch of switch transformer are electrically connected with circuit board through the mode of being welded by slicker solder after the corresponding via hole of circuit board, 2 links of all inductor loop conductors of the secondary coil of switch transformer are electrically connected with circuit board through the mode of being welded by slicker solder after the corresponding via hole of circuit board, thus are fixedly connected with on circuit boards by switch transformer.Be connected in parallel by circuit board between 1 to 3 inductor loop conductor included by every circle secondary coil, be connected in series by circuit board between each circle secondary coil, thus each circle secondary coil completes loop connection by circuit board.
Further, described installation on circuit boards electronic devices and components also comprise inductance.Inductance comprises magnet ring and 1 to 25 circle inductance coil, and described magnet ring surface is covered with insulating barrier.Every circle inductance coil comprises 1 to 3 second inductor loop conductor.Second inductor loop conductor entirety is in inverted U-shaped, and adopt copper material or aluminum core copper wire or aluminum to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of the second inductor loop conductor or kidney ellipsoid, its area of section is 0.5 to 10mm
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2.The second inverted U-shaped inductor loop conductor has 2 links.The openings of sizes at 2 link places of the second inductor loop conductor is corresponding with the ring footpath of magnet ring, and the height of the second inductor loop conductor is corresponding with the height of magnet ring.All second inductor loop conductors respectively by its opening through magnet ring ring portion after with magnet ring tight fit connection, 2 links being enclosed within the second inductor loop conductor on magnet ring are electrically connected with circuit board through the mode of being welded by slicker solder after the corresponding via hole of circuit board, and the second inductor loop conductor is fixedly connected with on circuit boards, thus magnet ring under the effect of the second inductor loop conductor, also spacing setting is on circuit boards.Be connected in parallel by circuit board between 1 to 3 second inductor loop conductor included by every circle inductance coil, be connected in series by circuit board between each circle inductance coil, thus each circle inductance coil completes loop connection by circuit board, each circle inductance coil is angularly spaced apart around magnetic Ring current distribution.
Further described Switching Power Supply also comprises auxiliary copper cash.Between the corresponding link of 2 inductor loop conductors that between the corresponding link of the 2 second inductor loop conductors be connected before and after being arranged on for increasing the auxiliary copper cash of electric current or front and back are connected, by weld or conducting resinl realizes being electrically connected between the corresponding link of described auxiliary copper cash and the second inductor loop conductor or inductor loop conductor.
Further, the skeleton of described switch transformer also comprises the first space bar, the second space bar, the 3rd space bar, the 4th space bar, the 5th space bar and insulation board.The periphery left part of principal part is provided with ringwise and the first space bar of lower ending opening, and described first space bar and principal part, left limit plate form boost voltage coil groove.Be provided with ringwise and the second space bar of lower ending opening in the middle part of the periphery of principal part, 3rd space bar, 4th space bar and the 5th space bar, second space bar, 3rd space bar, 4th space bar and the 5th space bar are spacedly distributed from left to right, thus the second space bar and principal part, first space bar forms left primary coil groove, second space bar and principal part, 3rd space bar forms left secondary wire ring recess, 4th space bar and principal part, 3rd space bar forms degaussing coil groove, 4th space bar and principal part, 5th space bar forms right secondary wire ring recess, 5th space bar and principal part, right limit plate forms right primary coil groove.Insulation board has 4, both sides before and after the bottom that insulation board is separately positioned on left secondary wire ring recess and right secondary wire ring recess, thus left secondary wire ring recess and right secondary wire ring recess take the shape of the letter U.
The present invention has positive effect: primary coil and secondary coil are separated by cell body insulation by the skeleton of (1) switch transformer of the present invention, the primary coil separate traditional radial direction by insulating tape and secondary coil become by cell body axially separately, make the radiating effect of switch transformer better like this, during use, temperature is lower than traditional switch transformer 5 to 10 DEG C, and useful life is longer.
(2) structure of inductor loop conductor of the present invention is simple and manufacturing cost is lower, secondary coil completes loop by circuit board and connects, the sectional area of inductor loop conductor is much larger than copper cash, just do not need the copper cash of the more number of turns to be wound around, caloric value is less, and radiating effect is excellent, and inductor loop conductor directly welds on circuit boards, considerably reduce the manufacturing process flow of switch transformer and inductance, reduce costs further, the usage quantity of insulating tape also can greatly reduce in addition; The replacing of inductor loop conductor also more for convenience, need not change whole switch transformer or inductance when going wrong.Make the manufacture of intraocular of switch transformer and whole Switching Power Supply save half man-hour, technique is comparatively simple simultaneously.
(3) the present invention solves the too small problem of overcurrent by increasing auxiliary copper cash, and make the secondary coil of whole switch transformer complete when loop is connected more stable with the inductor loop coil of inductance by circuit board, the stability of whole Switching Power Supply is better.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation (front view) of the skeleton of switch transformer in embodiment 1;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
A kind of schematic perspective view when Fig. 4 is the left anterior-superior part observation from Fig. 1;
A kind of schematic perspective view when Fig. 5 is the right front below observation from Fig. 1;
Fig. 6 is a kind of structural representation (front view) with the switch transformer assembly of primary coil in embodiment 2;
Fig. 7 is the upward view of Fig. 6;
A kind of schematic perspective view when Fig. 8 is the left anterior-superior part observation from Fig. 6;
Fig. 9 is a kind of structural representation (front view) of the switch transformer in embodiment 3;
Figure 10 is the upward view of Fig. 9;
A kind of schematic perspective view when Figure 11 is the left anterior-superior part observation from Fig. 9;
Figure 12 is the structural representation of the magnetic core in Figure 11;
Figure 13 is the structural representation of the inductor loop conductor in Fig. 9;
Figure 14 is the left view of Figure 13;
Figure 15 is the structural representation of the inductor loop conductor in Figure 11;
Figure 16 is a kind of structural representation (in front view, figure, electronic devices and components only illustrate switch transformer and inductance) of the Switching Power Supply in embodiment 4 and 5;
A kind of schematic perspective view when Figure 17 is the left anterior-superior part observation from Figure 16;
Figure 18 is the right view of Figure 16;
The connection diagram of switch transformer when Figure 19 is from the B of Figure 16 to observation Figure 16 and the auxiliary copper cash in embodiment 6.
Mark in above-mentioned accompanying 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, lower-left limiting section 13-2, upper right limiting section 13-3, bottom right limiting section 13-4, first space bar 14-1, second space bar 14-2, 3rd space bar 14-3, 4th space bar 14-4, 5th space bar 14-5, boost voltage coil groove 15-1, left primary coil groove 15-2, left secondary wire ring recess 15-3, degaussing coil groove 15-4, right secondary wire ring recess 15-5, right primary coil groove 15-6, insulation board 16, left stitch connecting portion 17-1, primary coil stitch hole 17-1-1, assist and degaussing coil stitch hole 17-1-2, left coil gathering sill 17-1-3, right stitch connecting portion 17-2, stitch hole 17-2-1 for subsequent use,
Primary coil 2, degaussing coil 3, boost voltage coil 4, stitch 5, magnetic core 6, secondary coil 7, inductor loop conductor 71, fixing adhesive plaster 8, shell 91, circuit board 92, inductance 93, magnet ring 93-1, the second inductor loop conductor 93-2, auxiliary copper cash 94.
Embodiment
The present invention, when carrying out orientation and describing, is described with orientation shown in Fig. 1, and the orientation up and down in figure is also up and down in the de-scription, and the orientation of picture in picture face court of institute is front, and the orientation deviating from drawing is rear.
(skeleton of embodiment 1, switch transformer)
See Fig. 1 to Fig. 5, the skeleton 1 of the switch transformer of the present embodiment is an integral piece adopting bakelite material to make, and the central authorities of skeleton 1 are principal parts 11 in a tubular form, and the central authorities of principal part 11 are provided with the through magnetic loop hole 11-1 for installing magnetic core in left and right, left limit plate 12-1 spacing when the central symmetry of the left and right sides of principal part 11 is provided with for installing magnetic core, right limit plate 12-2, left limit plate 12-1, right limit plate 12-2 is equipped with the through hole through with magnetic loop hole 11-1, left limit plate 12-1 and right limit plate 12-2 is the plate portion formed after removing the large cambered plate such as by the upper and lower symmetry of the circular slab being provided with center through hole, left limit plate 12-1 is arranged with the upper left limiting section 13-1 protruding from left limit plate 12-1 up and down, lower-left limiting section 13-2, right limit plate 12-2 is arranged with the upper right limiting section 13-3 protruding from right limit plate 12-2 up and down, bottom right limiting section 13-4, upper left limiting section 13-1, upper right limiting section 13-3 is in falling isosceles triangle shape, lower-left limiting section 13-2, bottom right limiting section 13-4 is isosceles triangle shape, the shape that left limit plate 12-1, upper left limiting section 13-1 and lower-left limiting section 13-2 are formed is corresponding with the magnetic core of switch transformer, and the shape that right limit plate 12-2, upper right limiting section 13-3 and bottom right limiting section 13-4 are formed is corresponding with the magnetic core of switch transformer.The periphery left part of principal part 11 is provided with ringwise and the first space bar 14-1 of lower ending opening, and described first space bar 14-1 and principal part 11, left limit plate 12-1 form boost voltage coil groove 15-1, be provided with ringwise and the second space bar 14-2 of lower ending opening in the middle part of the periphery of principal part 11, 3rd space bar 14-3, 4th space bar 14-4 and the 5th space bar 14-5, second space bar 14-2, 3rd space bar 14-3, 4th space bar 14-4 and the 5th space bar 14-5 is spacedly distributed from left to right, thus the second space bar 14-2 and principal part 11, first space bar 14-1 forms left primary coil groove 15-2, second space bar 14-2 and principal part 11, 3rd space bar 14-3 forms left secondary wire ring recess 15-3, 4th space bar 14-4 and principal part 11, 3rd space bar 14-3 forms degaussing coil groove 15-4, 4th space bar 14-4 and principal part 11, 5th space bar 14-5 forms right secondary wire ring recess 15-5, 5th space bar 14-5 and principal part 11, right limit plate 12-2 forms right primary coil groove 15-6.Insulation board 16 has 4, and before and after the bottom of left secondary wire ring recess 15-3 and right secondary wire ring recess 15-5, both sides are equipped with 1 insulation board 16, thus left secondary wire ring recess 15-3 and right secondary wire ring recess 15-5 takes the shape of the letter U.The below of lower-left limiting section 13-2 is provided with left stitch connecting portion 17-1, the lower end of left stitch connecting portion 17-1 is provided with 5 stitch holes, comprise 2 primary coil stitch hole 17-1-1 and 3 auxiliary and degaussing coil stitch hole 17-1-2, be spacedly distributed between 5 stitch holes, 4 left coil gathering sill 17-1-3 are provided with between 5 stitch holes, the initiating terminal of the boost voltage coil that auxiliary and degaussing coil stitch hole 17-1-2 is corresponding and degaussing coil or clearing end share a stitch, thus only need 3 auxiliary and degaussing coil stitch hole 17-1-2.The below of bottom right limiting section 13-4 is provided with right stitch connecting portion 17-2, and the lower end of right stitch connecting portion 17-2 is provided with 3 the stitch hole 17-2-1 for subsequent use be spacedly distributed.
(embodiment 2, there is the switch transformer assembly of primary coil)
See Fig. 6 to Fig. 8, the switch transformer assembly with primary coil of the present embodiment comprises skeleton 1, primary coil 2, degaussing coil 3, boost voltage coil 4 and stitch 5, and described skeleton 1 adopts the skeleton of the switch transformer obtained by embodiment 1.Stitch 5, by 8, is fixedly installed in 3 stitch hole 17-2-1 for subsequent use of 2 primary coil stitch hole 17-1-1 of the left stitch connecting portion 17-1 of skeleton 1,3 auxiliary and degaussing coil stitch hole 17-1-2 and right stitch connecting portion 17-2 respectively.
Primary coil 2, degaussing coil 3, boost voltage coil 4 all adopt conductor wire, and the present embodiment adopts conductive copper wire, in the left primary coil groove 15-2 that primary coil 2 is wrapped in skeleton 1 and right primary coil groove 15-6, the initiating terminal of primary coil 2 and clearing end are welded to connect with the stitch 5 in 2 primary coil stitch hole 17-1-1 of left stitch connecting portion 17-1 respectively, degaussing coil 3 is wrapped in degaussing coil groove 15-4, boost voltage coil 4 is wrapped in boost voltage coil groove 15-1, the initiating terminal of degaussing coil 3 and boost voltage coil 4 or clearing end share 1 stitch 5 in the degaussing coil stitch hole 17-1-2 of left stitch connecting portion 17-1, thus same 1 stitch 5 in the degaussing coil stitch hole 17-1-2 of the initiating terminal of degaussing coil 3 and boost voltage coil 4 or clearing end and left stitch connecting portion 17-1 is welded to connect, the other end of degaussing coil 3 and boost voltage coil 4 is welded to connect with the stitch 5 in 2 remaining degaussing coil stitch hole 17-1-2 of left stitch connecting portion 17-1 respectively.The equal insulation processing in cross-contact position of primary coil 2, degaussing coil 3 and boost voltage coil 4, adopts insulating tape to wrap up coil copper cash to realize insulation processing in the present embodiment.
(embodiment 3, switch transformer)
See Fig. 9 to Figure 11, the switch transformer of the present embodiment comprises the switch transformer assembly with primary coil, magnetic core 6, secondary coil 7 and the fixing adhesive plaster 8 that are obtained by embodiment 2.See Figure 12, the quantity of described magnetic core 6 is 2, and employing model is the general magnetic core of EPC39, and paint-dipping process process done by magnetic core 6, the shape of the head of magnetic core 6 is corresponding with the left end of skeleton 1 or the shape of right-hand member, and the shape of the core of magnetic core 6 is corresponding with the magnetic loop hole 11-1 of skeleton 1.Still see Fig. 9 to Figure 11,2 magnetic cores 6 to be inserted the 11-1 of magnetic loop hole until in the head of 2 magnetic cores 6 left side that embeds skeleton 1 respectively and right side respectively by its core from the two ends, left and right of skeleton 1, thus magnetic core about 6 is spacing is arranged on skeleton 1, and form magnetic loop; 2 magnetic cores 6 are fixedly connected with by using fixing adhesive plaster 8 to be wound around from circumference, thus are installed on skeleton 1 by magnetic core about 6.
Quantity 1 to 8 circle of secondary coil 8, every circle secondary coil 7 comprises 1 to 3 inductor loop conductor 71; In the present embodiment, the quantity of secondary coil 7 is 2 circles, and every circle secondary coil 7 comprises 1 inductor loop conductor 71.See Figure 13 to Figure 15, inductor loop conductor 71 entirety is in inverted U-shaped, and adopt copper material or copper clad aluminum material to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of inductor loop conductor 71 or kidney ellipsoid, its area of section is 0.5 to 10mm
--
2, in the present embodiment, the circular in cross-section of inductor loop conductor 71, area of section are 2mm
2.Inverted U-shaped inductor loop conductor 71 has 2 links.Still see Fig. 9 to Figure 11, the openings of sizes at 2 link places of inductor loop conductor 71 is corresponding with left secondary wire ring recess 15-3, and the height of inductor loop conductor 71 is corresponding with the height of left primary coil groove 15-2.2 circle secondary coils 7 are separately positioned in left secondary wire ring recess 15-3 and right secondary wire ring recess 15-5, all inductor loop conductors 71 stretch out left secondary wire ring recess 15-3 or right secondary wire ring recess 15-5 through after the principal part 11 of skeleton 1 by its 2 links by its opening respectively, and the link of inductor loop conductor 71 is initiating terminal and the clearing end of secondary coil 7.When the switch transformer of the present embodiment is installed on circuit boards, be electrically connected with circuit board through the mode of being welded by slicker solder after the corresponding via hole of circuit board by the link of its 8 stitch 9 and all inductor loop conductors 71.
(embodiment 4, Switching Power Supply)
See Figure 16 to Figure 18, the switch transformer that the Switching Power Supply of the present embodiment comprises shell 91, circuit board 92 and obtained by embodiment 3, circuit board 92 is namely for the printed circuit board (PCB) of Switching Power Supply, and English name is PCB(Printed Circuit Board); Circuit board 92 is printed with the Copper Foil of the conduction for whole circuit.Circuit board 92 is arranged in shell 91.Circuit board 92 is provided with switch transformer and all kinds of electronic devices and components for Switching Power Supply (not shown except inductance in figure).8 stitch 5 of switch transformer are electrically connected with circuit board 92 through the mode of being welded by slicker solder after the corresponding via hole of circuit board 92,2 links of all inductor loop conductors 71 of the secondary coil 7 of switch transformer are electrically connected with circuit board 92 through the mode of being welded by slicker solder after the corresponding via hole of circuit board 92, thus are fixedly connected on circuit board 92 by switch transformer.Be connected in parallel by circuit board 92 between 1 to 3 inductor loop conductor 71 included by every circle secondary coil 7, be connected in series by circuit board 92 between each circle secondary coil 7, thus each circle secondary coil 7 completes loop 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, and its difference is: also comprise inductance 93.Inductance 93 comprises magnet ring 93-1 and 1 to 25 circle inductance coil, and described magnet ring 93-1 surface is covered with insulating barrier; Every circle inductance coil comprises 1 to 3 second inductor loop conductor 93-2, and in the present embodiment, the quantity of inductance coil is 4 circles, and every circle inductance coil comprises 2 second inductor loop conductor 93-2; Second inductor loop conductor 93-2 entirety is in inverted U-shaped, and adopt copper material or copper clad aluminum material to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of the second inductor loop conductor 93-2 or kidney ellipsoid, its area of section is 0.5 to 10mm
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2, in the present embodiment, the area of section of the second inductor loop conductor 93-2 is 2mm
2.The second inverted U-shaped inductor loop conductor 93-2 has 2 links.The openings of sizes at 2 link places of the second inductor loop conductor 93-2 is corresponding with the ring footpath of magnet ring 93-1, and the height of the second inductor loop conductor 93-2 is corresponding with the height of magnet ring 93-1.All second inductor loop conductor 93-2 respectively by its opening through magnet ring 93-1 ring portion after with magnet ring 93-1 tight fit connection, 2 links being enclosed within the second inductor loop conductor 93-2 on magnet ring 93-1 are electrically connected with circuit board 92 through the mode of being welded by slicker solder after the corresponding via hole of circuit board 92, and the second inductor loop conductor 93-2 is fixedly connected on circuit board 92, thus magnet ring 93-1 is also spacing under the effect of the second inductor loop conductor 93-2 is arranged on circuit board 92.Be connected in parallel by circuit board 92 between 1 to 3 second inductor loop conductor 93-2 included by every circle inductance coil, be connected in series by circuit board 92 between each circle inductance coil, thus each circle inductance coil completes loop connection by circuit board 92, each circle inductance coil is angularly spaced apart around the center of magnet ring 93-1.
(embodiment 6, Switching Power Supply)
The Switching Power Supply of the present embodiment is substantially identical with embodiment 4 or 5, its difference is: also comprise auxiliary copper cash 94, overcurrent size as the copper-foil conducting electricity of circuit board 92 is inadequate, electric current is increased by increasing auxiliary copper cash 94 between the corresponding link of 2 inductor loop conductors 71 that between the corresponding link of the 2 second inductor loop conductor 93-2 be connected so in circuit or front and back are connected, by to weld or conducting resinl realizes being electrically connected between the corresponding link of described auxiliary copper cash 94 and the second inductor loop conductor 93-2 or inductor loop conductor 71, auxiliary copper cash 94 is arranged on solder side or the component side side of circuit board 92, see Figure 19, in the present embodiment, auxiliary copper cash 94 is arranged on the solder side side of circuit board 92, auxiliary copper cash 94 is arranged between the corresponding link of 2 inductor loop conductors 71 of the secondary coil 7 of switch transformer.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (10)
1. a skeleton for switch transformer, is characterized in that: comprise be positioned at central authorities principal part (11), be symmetricly set on the magnetic core limiting section of the left and right sides of principal part (11) and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section; The central authorities of principal part (11) are provided with the through magnetic loop hole (11-1) for installing magnetic core, left and right; Magnetic core limiting section and principal part (11) left and right through, and the shape of magnetic core limiting section and magnetic loop hole (11-1) is corresponding with the shape of magnetic core; The periphery of principal part (11) is provided with boost voltage coil groove (15-1), left primary coil groove (15-2), left secondary wire ring recess (15-3), degaussing coil groove (15-4), right secondary wire ring recess (15-5) and right primary coil groove (15-6) vertically successively, and the peripheral shape of left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5) takes the shape of the letter U; Stitch connecting portion is provided with the stitch hole for installing stitch that Open Side Down.
2. the skeleton of switch transformer according to claim 1, it is characterized in that: the magnetic core limiting section being positioned at the left side of principal part (11) comprises left limit plate (12-1), upper left limiting section (13-1) and lower-left limiting section (13-2), the magnetic core limiting section being positioned at the right side of principal part (11) comprises right limit plate (12-2), upper right limiting section (13-3) and bottom right limiting section (13-4), left limit plate (12-1), right limit plate (12-2) is equipped with the through hole through with magnetic loop hole (11-1), left limit plate (12-1) and right limit plate (12-2) are the plate portions formed after removing large cambered plate such as grade by the upper and lower symmetry of the circular slab being provided with center through hole, upper left limiting section (13-1), lower-left limiting section (13-2) protrudes from left limit plate (12-1) up and down symmetrically, upper right limiting section (13-3), bottom right limiting section (13-4) protrudes from right limit plate (12-2) up and down symmetrically, upper left limiting section (13-1), upper right limiting section (13-3) is in falling isosceles triangle shape, lower-left limiting section (13-2), bottom right limiting section (13-4) is in isosceles triangle shape, the shape that left limit plate (12-1), upper left limiting section (13-1) and lower-left limiting section (13-2) are formed is corresponding with the magnetic core of switch transformer, and the shape that right limit plate (12-2), upper right limiting section (13-3) and bottom right limiting section (13-4) are formed is corresponding with the magnetic core of switch transformer.
3. the skeleton of switch transformer according to claim 1, is characterized in that: also comprise the first space bar (14-1), the second space bar (14-2), the 3rd space bar (14-3), the 4th space bar (14-4), the 5th space bar (14-5) and insulation board (16), the periphery left part of principal part (11) is provided with ringwise and first space bar (14-1) of lower ending opening, and described first space bar (14-1) and principal part (11), left limit plate (12-1) form boost voltage coil groove (15-1), be provided with ringwise in the middle part of the periphery of principal part (11) and second space bar (14-2) of lower ending opening, 3rd space bar (14-3), 4th space bar (14-4) and the 5th space bar (14-5), second space bar (14-2), 3rd space bar (14-3), 4th space bar (14-4) and the 5th space bar (14-5) are spacedly distributed from left to right, thus the second space bar (14-2) and principal part (11), first space bar (14-1) forms left primary coil groove (15-2), second space bar (14-2) and principal part (11), 3rd space bar (14-3) forms left secondary wire ring recess (15-3), 4th space bar (14-4) and principal part (11), 3rd space bar (14-3) forms degaussing coil groove (15-4), 4th space bar (14-4) and principal part (11), 5th space bar (14-5) forms right secondary wire ring recess (15-5), 5th space bar (14-5) and principal part (11), right limit plate (12-2) forms right primary coil groove (15-6), insulation board (16) has 4, both sides before and after the bottom that insulation board (16) is separately positioned on left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5), thus left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5) take the shape of the letter U.
4. the skeleton of switch transformer according to claim 1, is characterized in that: stitch connecting portion comprises the left stitch connecting portion (17-1) of the below being positioned at lower-left limiting section (13-2) and is positioned at the right stitch connecting portion (17-2) of below of bottom right limiting section (13-4); The lower end of left stitch connecting portion (17-1) is provided with 5 stitch holes, comprise 2 primary coil stitch holes (17-1-1) and 3 auxiliary and degaussing coil stitch holes (17-1-2), be spacedly distributed between 5 stitch holes, between 5 stitch holes, be provided with 4 left coil gathering sills (17-1-3); The lower end of right stitch connecting portion (17-2) is provided with 3 the stitch holes (17-2-1) for subsequent use be spacedly distributed.
5. there is a switch transformer assembly for primary coil, it is characterized in that: comprise skeleton (1), primary coil (2), degaussing coil (3), boost voltage coil (4) and stitch (5);
Skeleton (1) comprise be positioned at central authorities principal part (11), be symmetricly set on the magnetic core limiting section of the left and right sides of principal part (11) and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section; The central authorities of principal part (11) are provided with the through magnetic loop hole (11-1) for installing magnetic core, left and right; Magnetic core limiting section and principal part (11) left and right through, and the shape of magnetic core limiting section and magnetic loop hole (11-1) is corresponding with the shape of magnetic core; The periphery of principal part (11) is provided with boost voltage coil groove (15-1), left primary coil groove (15-2), left secondary wire ring recess (15-3), degaussing coil groove (15-4), right secondary wire ring recess (15-5) and right primary coil groove (15-6) vertically successively, and the peripheral shape of left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5) takes the shape of the letter U; Stitch connecting portion comprises the left stitch connecting portion (17-1) of the below being positioned at lower-left limiting section (13-2) and is positioned at the right stitch connecting portion (17-2) of below of bottom right limiting section (13-4); The lower end of left stitch connecting portion (17-1) is provided with 5 stitch holes, comprise 2 primary coil stitch holes (17-1-1) and 3 auxiliary and degaussing coil stitch holes (17-1-2), be spacedly distributed between 5 stitch holes, between 5 stitch holes, be provided with 4 left coil gathering sills (17-1-3); The lower end of right stitch connecting portion (17-2) is provided with 3 the stitch holes (17-2-1) for subsequent use be spacedly distributed;
Stitch (5), by 8, is fixedly installed in 3 stitch holes (17-2-1) for subsequent use of 2 primary coil stitch holes (17-1-1) of the left stitch connecting portion (17-1) of skeleton (1), 3 auxiliary and degaussing coil stitch hole (17-1-2) and right stitch connecting portions (17-2) respectively;
Primary coil (2), degaussing coil (3), boost voltage coil (4) all adopt conductor wire, in the left primary coil groove (15-2) that primary coil (2) is wrapped in skeleton (1) and right primary coil groove (15-6), the initiating terminal of primary coil (2) and clearing end are welded to connect with the stitch (5) in 2 primary coil stitch holes (17-1-1) of left stitch connecting portion (17-1) respectively, degaussing coil (3) is wrapped in degaussing coil groove (15-4), boost voltage coil (4) is wrapped in boost voltage coil groove (15-1), the initiating terminal of degaussing coil (3) and boost voltage coil (4) or clearing end share 1 stitch (5) in the degaussing coil stitch hole 17-1-2 of left stitch connecting portion (17-1), thus same 1 stitch (5) in the degaussing coil stitch hole 17-1-2 of the initiating terminal of degaussing coil (3) and boost voltage coil (4) or clearing end and left stitch connecting portion (17-1) is welded to connect, the other end of degaussing coil (3) and boost voltage coil (4) is welded to connect with the stitch (5) in 2 remaining degaussing coil stitch hole 17-1-2 of left stitch connecting portion (17-1) respectively, the equal insulation processing in cross-contact position of primary coil (2), degaussing coil (3) and boost voltage coil (4).
6. a switch transformer, is characterized in that: comprise switch transformer assembly, magnetic core (6), secondary coil (7) and the fixing adhesive plaster (8) with primary coil;
The switch transformer assembly with primary coil comprises skeleton (1), primary coil (2), degaussing coil (3), boost voltage coil (4) and stitch (5);
Skeleton (1) comprise be positioned at central authorities principal part (11), be symmetricly set on the magnetic core limiting section of the left and right sides of principal part (11) and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section; The central authorities of principal part (11) are provided with the through magnetic loop hole (11-1) for installing magnetic core, left and right; Magnetic core limiting section and principal part (11) left and right through, and the shape of magnetic core limiting section and magnetic loop hole (11-1) is corresponding with the shape of magnetic core; The periphery of principal part (11) is provided with boost voltage coil groove (15-1), left primary coil groove (15-2), left secondary wire ring recess (15-3), degaussing coil groove (15-4), right secondary wire ring recess (15-5) and right primary coil groove (15-6) vertically successively, and the peripheral shape of left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5) takes the shape of the letter U; Stitch connecting portion comprises the left stitch connecting portion (17-1) of the below being positioned at lower-left limiting section (13-2) and is positioned at the right stitch connecting portion (17-2) of below of bottom right limiting section (13-4); The lower end of left stitch connecting portion (17-1) is provided with 5 stitch holes, comprise 2 primary coil stitch holes (17-1-1) and 3 auxiliary and degaussing coil stitch holes (17-1-2), be spacedly distributed between 5 stitch holes, between 5 stitch holes, be provided with 4 left coil gathering sills (17-1-3); The lower end of right stitch connecting portion (17-2) is provided with 3 the stitch holes (17-2-1) for subsequent use be spacedly distributed;
Stitch (5), by 8, is fixedly installed in 3 stitch holes (17-2-1) for subsequent use of 2 primary coil stitch holes (17-1-1) of the left stitch connecting portion (17-1) of skeleton (1), 3 auxiliary and degaussing coil stitch hole (17-1-2) and right stitch connecting portions (17-2) respectively;
Primary coil (2), degaussing coil (3), boost voltage coil (4) all adopt conductor wire, in the left primary coil groove (15-2) that primary coil (2) is wrapped in skeleton (1) and right primary coil groove (15-6), the initiating terminal of primary coil (2) and clearing end are welded to connect with the stitch (5) in 2 primary coil stitch holes (17-1-1) of left stitch connecting portion (17-1) respectively, degaussing coil (3) is wrapped in degaussing coil groove (15-4), boost voltage coil (4) is wrapped in boost voltage coil groove (15-1), the initiating terminal of degaussing coil (3) and boost voltage coil (4) or clearing end share 1 stitch (5) in the degaussing coil stitch hole 17-1-2 of left stitch connecting portion (17-1), thus same 1 stitch (5) in the degaussing coil stitch hole 17-1-2 of the initiating terminal of degaussing coil (3) and boost voltage coil (4) or clearing end and left stitch connecting portion (17-1) is welded to connect, the other end of degaussing coil (3) and boost voltage coil (4) is welded to connect with the stitch (5) in 2 remaining degaussing coil stitch hole 17-1-2 of left stitch connecting portion (17-1) respectively, the equal insulation processing in cross-contact position of primary coil (2), degaussing coil (3) and boost voltage coil (4),
The quantity of described magnetic core (6) is 2, paint-dipping process process done by magnetic core (6), the shape of the head of magnetic core (6) is corresponding with the left end of skeleton (1) or the shape of right-hand member, and the shape of the core of magnetic core (6) is corresponding with the magnetic loop hole (11-1) of skeleton (1); 2 magnetic cores (6) to be inserted magnetic loop hole (11-1) until in the head of 2 magnetic cores (6) left side that embeds skeleton (1) respectively and right side respectively by its core from the two ends, left and right of skeleton (1), thus magnetic core (6) is spacing is up and down arranged on skeleton (1), and form magnetic loop; 2 magnetic cores (6) are fixedly connected with by using fixing adhesive plaster (8) to be wound around from circumference, thus are installed on skeleton (1) by magnetic core (6) left and right;
Quantity 1 to 8 circle of secondary coil 8, every circle secondary coil (7) comprises 1 to 3 inductor loop conductor (71); Inductor loop conductor (71) entirety is in inverted U-shaped, and adopt copper material or aluminum core copper wire or aluminum to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of inductor loop conductor (71) or kidney ellipsoid, its area of section is 0.5 to 10mm
--
2; Inverted U-shaped inductor loop conductor (71) has 2 links; The openings of sizes at 2 link places of inductor loop conductor (71) is corresponding with left secondary wire ring recess (15-3), and the height of inductor loop conductor (71) is corresponding with the height of left primary coil groove (15-2); 2 circle secondary coils (7) are separately positioned in left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5), all inductor loop conductors (71) stretch out left secondary wire ring recess (15-3) or right secondary wire ring recess (15-5) through after the principal part (11) of skeleton (1) by its 2 links by its opening respectively, and the link of inductor loop conductor (71) is initiating terminal and the clearing end of secondary coil (7).
7. a Switching Power Supply, is characterized in that: comprise shell (91), circuit board (92) and be arranged on all kinds of electronic devices and components for Switching Power Supply comprising switch transformer on circuit board (92); Circuit board (92) is printed with the Copper Foil of the conduction for whole circuit; Circuit board (92) is arranged in shell (91);
Described switch transformer comprises switch transformer assembly, magnetic core (6), secondary coil (7) and the fixing adhesive plaster (8) with primary coil;
The switch transformer assembly with primary coil comprises skeleton (1), primary coil (2), degaussing coil (3), boost voltage coil (4) and stitch (5);
Skeleton (1) comprise be positioned at central authorities principal part (11), be symmetricly set on the magnetic core limiting section of the left and right sides of principal part (11) and be arranged on the stitch connecting portion of below of corresponding magnetic core limiting section; The central authorities of principal part (11) are provided with the through magnetic loop hole (11-1) for installing magnetic core, left and right; Magnetic core limiting section and principal part (11) left and right through, and the shape of magnetic core limiting section and magnetic loop hole (11-1) is corresponding with the shape of magnetic core; The periphery of principal part (11) is provided with boost voltage coil groove (15-1), left primary coil groove (15-2), left secondary wire ring recess (15-3), degaussing coil groove (15-4), right secondary wire ring recess (15-5) and right primary coil groove (15-6) vertically successively, and the peripheral shape of left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5) takes the shape of the letter U; Stitch connecting portion comprises the left stitch connecting portion (17-1) of the below being positioned at lower-left limiting section (13-2) and is positioned at the right stitch connecting portion (17-2) of below of bottom right limiting section (13-4); The lower end of left stitch connecting portion (17-1) is provided with 5 stitch holes, comprise 2 primary coil stitch holes (17-1-1) and 3 auxiliary and degaussing coil stitch holes (17-1-2), be spacedly distributed between 5 stitch holes, between 5 stitch holes, be provided with 4 left coil gathering sills (17-1-3); The lower end of right stitch connecting portion (17-2) is provided with 3 the stitch holes (17-2-1) for subsequent use be spacedly distributed;
Stitch (5), by 8, is fixedly installed in 3 stitch holes (17-2-1) for subsequent use of 2 primary coil stitch holes (17-1-1) of the left stitch connecting portion (17-1) of skeleton (1), 3 auxiliary and degaussing coil stitch hole (17-1-2) and right stitch connecting portions (17-2) respectively;
Primary coil (2), degaussing coil (3), boost voltage coil (4) all adopt conductor wire, in the left primary coil groove (15-2) that primary coil (2) is wrapped in skeleton (1) and right primary coil groove (15-6), the initiating terminal of primary coil (2) and clearing end are welded to connect with the stitch (5) in 2 primary coil stitch holes (17-1-1) of left stitch connecting portion (17-1) respectively, degaussing coil (3) is wrapped in degaussing coil groove (15-4), boost voltage coil (4) is wrapped in boost voltage coil groove (15-1), the initiating terminal of degaussing coil (3) and boost voltage coil (4) or clearing end share 1 stitch (5) in the degaussing coil stitch hole 17-1-2 of left stitch connecting portion (17-1), thus same 1 stitch (5) in the degaussing coil stitch hole 17-1-2 of the initiating terminal of degaussing coil (3) and boost voltage coil (4) or clearing end and left stitch connecting portion (17-1) is welded to connect, the other end of degaussing coil (3) and boost voltage coil (4) is welded to connect with the stitch (5) in 2 remaining degaussing coil stitch hole 17-1-2 of left stitch connecting portion (17-1) respectively, the equal insulation processing in cross-contact position of primary coil (2), degaussing coil (3) and boost voltage coil (4),
The quantity of described magnetic core (6) is 2, paint-dipping process process done by magnetic core (6), the shape of the head of magnetic core (6) is corresponding with the left end of skeleton (1) or the shape of right-hand member, and the shape of the core of magnetic core (6) is corresponding with the magnetic loop hole (11-1) of skeleton (1); 2 magnetic cores (6) to be inserted magnetic loop hole (11-1) until in the head of 2 magnetic cores (6) left side that embeds skeleton (1) respectively and right side respectively by its core from the two ends, left and right of skeleton (1), thus magnetic core (6) is spacing is up and down arranged on skeleton (1), and form magnetic loop; 2 magnetic cores (6) are fixedly connected with by using fixing adhesive plaster (8) to be wound around from circumference, thus are installed on skeleton (1) by magnetic core (6) left and right;
Quantity 1 to 8 circle of secondary coil 8, every circle secondary coil (7) comprises 1 to 3 inductor loop conductor (71); Inductor loop conductor (71) entirety is in inverted U-shaped, and adopt copper material or aluminum core copper wire or aluminum to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of inductor loop conductor (71) or kidney ellipsoid, its area of section is 0.5 to 10mm
--
2; Inverted U-shaped inductor loop conductor (71) has 2 links; The openings of sizes at 2 link places of inductor loop conductor (71) is corresponding with left secondary wire ring recess (15-3), and the height of inductor loop conductor (71) is corresponding with the height of left primary coil groove (15-2); 2 circle secondary coils (7) are separately positioned in left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5), all inductor loop conductors (71) stretch out left secondary wire ring recess (15-3) or right secondary wire ring recess (15-5) through after the principal part (11) of skeleton (1) by its 2 links by its opening respectively, and the link of inductor loop conductor (71) is initiating terminal and the clearing end of secondary coil (7);
8 stitch (5) of switch transformer are electrically connected with circuit board (92) through the mode of being welded by slicker solder after the corresponding via hole of circuit board (92), 2 links of all inductor loop conductors (71) of the secondary coil (7) of switch transformer are electrically connected with circuit board (92) through the mode of being welded by slicker solder after the corresponding via hole of circuit board (92), thus are fixedly connected on by switch transformer on circuit board (92); Be connected in parallel by circuit board (92) between 1 to 3 inductor loop conductor (71) included by every circle secondary coil (7), be connected in series by circuit board (92) between each circle secondary coil (7), thus each circle secondary coil (7) completes loop connection by circuit board (92).
8. Switching Power Supply according to claim 7, is characterized in that: described in be arranged on circuit board (92) electronic devices and components also comprise inductance (93); Inductance (93) comprises magnet ring (93-1) and 1 to 25 circle inductance coil, and described magnet ring (93-1) surface is covered with insulating barrier; Every circle inductance coil comprises 1 to 3 second inductor loop conductor (93-2); Second inductor loop conductor (93-2) entirety is in inverted U-shaped, copper material or aluminum core copper wire or aluminum is adopted to make, described copper material adopts the good red copper of conductivity, and the circular in cross-section of the second inductor loop conductor (93-2) or kidney ellipsoid, its area of section is 0.5 to 10mm
--
2; The second inverted U-shaped inductor loop conductor (93-2) has 2 links; The openings of sizes at 2 link places of the second inductor loop conductor (93-2) is corresponding with the ring footpath of magnet ring (93-1), and the height of the second inductor loop conductor (93-2) is corresponding with the height of magnet ring (93-1); All second inductor loop conductors (93-2) respectively by its opening through magnet ring (93-1) ring portion after with magnet ring (93-1) tight fit connection, 2 links being enclosed within the second inductor loop conductor (93-2) on magnet ring (93-1) are electrically connected with circuit board (92) through the mode of being welded by slicker solder after the corresponding via hole of circuit board (92), and the second inductor loop conductor (93-2) is fixedly connected on circuit board (92), thus magnet ring (93-1) is also spacing under the effect of the second inductor loop conductor (93-2) is arranged on circuit board (92); Be connected in parallel by circuit board (92) between 1 to 3 second inductor loop conductor (93-2) included by every circle inductance coil, be connected in series by circuit board (92) between each circle inductance coil, thus each circle inductance coil completes loop connection by circuit board (92), each circle inductance coil is angularly spaced apart around the center of magnet ring (93-1).
9. Switching Power Supply according to claim 8, is characterized in that: also comprise auxiliary copper cash (94); Between the corresponding link of 2 inductor loop conductors (71) that between the corresponding link of the 2 second inductor loop conductors (93-2) be connected before and after being arranged on for increasing the auxiliary copper cash (94) of electric current or front and back are connected, pass through between the corresponding link of described auxiliary copper cash (94) and the second inductor loop conductor (93-2) or inductor loop conductor (71) to weld or conducting resinl realizes being electrically connected.
10. Switching Power Supply according to claim 7, is characterized in that: the skeleton (1) of described switch transformer also comprises the first space bar (14-1), the second space bar (14-2), the 3rd space bar (14-3), the 4th space bar (14-4), the 5th space bar (14-5) and insulation board (16), the periphery left part of principal part (11) is provided with ringwise and first space bar (14-1) of lower ending opening, and described first space bar (14-1) and principal part (11), left limit plate (12-1) form boost voltage coil groove (15-1), be provided with ringwise in the middle part of the periphery of principal part (11) and second space bar (14-2) of lower ending opening, 3rd space bar (14-3), 4th space bar (14-4) and the 5th space bar (14-5), second space bar (14-2), 3rd space bar (14-3), 4th space bar (14-4) and the 5th space bar (14-5) are spacedly distributed from left to right, thus the second space bar (14-2) and principal part (11), first space bar (14-1) forms left primary coil groove (15-2), second space bar (14-2) and principal part (11), 3rd space bar (14-3) forms left secondary wire ring recess (15-3), 4th space bar (14-4) and principal part (11), 3rd space bar (14-3) forms degaussing coil groove (15-4), 4th space bar (14-4) and principal part (11), 5th space bar (14-5) forms right secondary wire ring recess (15-5), 5th space bar (14-5) and principal part (11), right limit plate (12-2) forms right primary coil groove (15-6), insulation board (16) has 4, both sides before and after the bottom that insulation board (16) is separately positioned on left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5), thus left secondary wire ring recess (15-3) and right secondary wire ring recess (15-5) take the shape of the letter U.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096673.6A CN104681253B (en) | 2015-03-04 | 2015-03-04 | Switch transformer and Switching Power Supply |
| CN201710474587.3A CN107221418B (en) | 2015-03-04 | 2015-03-04 | Switch transformer |
| CN201710474881.4A CN107221419B (en) | 2015-03-04 | 2015-03-04 | The skeleton and Switching Power Supply of switch transformer |
| CN201710474385.9A CN107481838B (en) | 2015-03-04 | 2015-03-04 | Switch transformer assembly with primary coil and switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096673.6A CN104681253B (en) | 2015-03-04 | 2015-03-04 | Switch transformer and Switching Power Supply |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710474385.9A Division CN107481838B (en) | 2015-03-04 | 2015-03-04 | Switch transformer assembly with primary coil and switch power supply |
| CN201710474587.3A Division CN107221418B (en) | 2015-03-04 | 2015-03-04 | Switch transformer |
| CN201710474881.4A Division CN107221419B (en) | 2015-03-04 | 2015-03-04 | The skeleton and Switching Power Supply of switch transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104681253A true CN104681253A (en) | 2015-06-03 |
| CN104681253B CN104681253B (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510096673.6A Expired - Fee Related CN104681253B (en) | 2015-03-04 | 2015-03-04 | Switch transformer and Switching Power Supply |
| CN201710474385.9A Active CN107481838B (en) | 2015-03-04 | 2015-03-04 | Switch transformer assembly with primary coil and switch power supply |
| CN201710474587.3A Active CN107221418B (en) | 2015-03-04 | 2015-03-04 | Switch transformer |
| CN201710474881.4A Active CN107221419B (en) | 2015-03-04 | 2015-03-04 | The skeleton and Switching Power Supply of switch transformer |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710474385.9A Active CN107481838B (en) | 2015-03-04 | 2015-03-04 | Switch transformer assembly with primary coil and switch power supply |
| CN201710474587.3A Active CN107221418B (en) | 2015-03-04 | 2015-03-04 | Switch transformer |
| CN201710474881.4A Active CN107221419B (en) | 2015-03-04 | 2015-03-04 | The skeleton and Switching Power Supply of switch transformer |
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| Country | Link |
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| CN (4) | CN104681253B (en) |
Cited By (4)
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| CN106683853A (en) * | 2017-03-17 | 2017-05-17 | 艾德克斯电子（南京）有限公司 | Transformer frame, transformer, transformer connection 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 |
| CN108933022A (en) * | 2018-08-24 | 2018-12-04 | 海盐爱建股份有限公司 | A kind of ignition coil of stable structure |
| CN114823096A (en) * | 2022-06-25 | 2022-07-29 | 深圳市万志宇科技有限公司 | Electronic transformer with anti-creeping function |
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107221418B (en) | 2019-03-19 |
| CN104681253B (en) | 2017-06-13 |
| CN107481838B (en) | 2020-05-01 |
| CN107481838A (en) | 2017-12-15 |
| CN107221419A (en) | 2017-09-29 |
| CN107221418A (en) | 2017-09-29 |
| CN107221419B (en) | 2019-03-19 |
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