CN107481838A - Switch transformer assembly with primary coil and switch power supply - Google Patents

Switch transformer assembly with primary coil and switch power supply Download PDF

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Publication number
CN107481838A
CN107481838A CN201710474385.9A CN201710474385A CN107481838A CN 107481838 A CN107481838 A CN 107481838A CN 201710474385 A CN201710474385 A CN 201710474385A CN 107481838 A CN107481838 A CN 107481838A
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CN
China
Prior art keywords
coil
stitch
primary coil
connecting portion
space bar
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Granted
Application number
CN201710474385.9A
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Chinese (zh)
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CN107481838B (en
Inventor
臧海娟
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Huijiawang Tianjin Technology Co ltd
Guangdong Haiwu Technology Co Ltd
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Jiangsu University of Technology
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Priority to CN201710474385.9A priority Critical patent/CN107481838B/en
Publication of CN107481838A publication Critical patent/CN107481838A/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • H01F17/06Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • H01F27/2828Construction of conductive connections, of leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2876Cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • H01F27/292Surface mounted devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/324Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion

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  • 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 assembly with a primary coil and a switching power supply. 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.

Description

Switch transformer component and Switching Power Supply with primary coil
The application is Application No.:201510096673.6 invention and created name is《Switch transformer and Switching Power Supply》, The applying date is: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, more particularly to a kind of Switching Power Supply equipped with high frequency switch transformer.
Background technology
With the high speed development of Power Electronic Technique, the work of power electronic equipment and people, the relation of life are increasingly close Cut, and electronic equipment all be unable to do without reliable power supply, and Switching Power Supply is realized comprehensively into the computer power supply eighties, takes the lead in The power supply for completing computer is regenerated, and various electronics, electric equipment field, programme-controlled exchange are subsequently entered into the Switching Power Supply nineties Switching Power Supply has all been widely used in machine, communication, electron detection device power supply, control device power supply etc., more promotes switch Power technology develops rapidly.
Usual Switching Power Supply includes an aluminium alloy system or the longitudinal casing of steel and one piece is fixed in shell Printed circuit board (PCB), the heat abstractors such as fin or fan are additionally provided between shell and circuit board, by fasteners such as screws and The screw that the shell of Switching Power Supply is provided with can fix Switching Power Supply on an electronic device.High frequency is installed on circuit board to open Close transformer, the electronic component such as inductance, high frequency switch transformer mainly include skeleton, through skeleton magnetic core and be arranged 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 cash one of whole circle to complete loop, primary coil and secondary coil are radial distributions, such whole The coil of circle winding make it that caloric value is larger, and multiple-turns wound make it that the radiating effect of electronic component is poor, in addition to just In the winding of coil, the diameter of coil must be designed to smaller so that the toughness of coil is preferably completely wound, and coil is straight The less words in footpath just need to increase the number of turn of coil, then and the process that the increase of the number of turn of coil allows for winding equally increases, The processing technology of the switch transformer is too complicated, and manufacture human cost is too high, and the appearance of some position of coil is for example old , it is necessary to change whole switch transformer during the problem of changing fracture etc..In addition, the secondary coil of whole circle winding needs in insulating Design To use more insulating tape, cost is also higher.Such as the PQ35 switch transformers sold extensively of in the market exist it is above-mentioned Each shortcoming.
The content of the invention
The technical problem to be solved in the present invention is to provide switch transformer a kind of simple in construction and relatively low manufacturing cost and The radiating effect of Switching Power Supply, the switch transformer and Switching Power Supply is preferable and is easy to repair.
Realize that one of technical scheme of the object of the invention is to provide a kind of skeleton of switch transformer, including it is centrally located Principal part, be symmetricly set on principal part the left and right sides magnetic core limiting section and be arranged on corresponding magnetic core limiting section lower section pin Pin connecting portion.The center of principal part is provided with the magnetic loop hole for being used to install magnetic core of left and right insertion.Magnetic core limiting section and principal part or so Insertion, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.The periphery of principal part is sequentially provided with auxiliary vertically Pressure-wire ring recess, left primary coil groove, left secondary wire ring recess, degaussing coil groove, right secondary wire ring recess and right primary coil groove are helped, 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 used to install provided with what Open Side Down The stitch hole of stitch.
Further, it is spacing to include left limit plate, upper left limiting section and lower-left for the magnetic core limiting section positioned at the left side of principal part 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 Limiting plate is equipped with the through hole with the insertion of magnetic loop hole, and left limit plate and right limit plate are by the circular slab provided with center through hole Symmetrically remove the plate portion formed after a big cambered plate of grade 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 described switch transformer also includes the first space bar, the second space bar, the 3rd interval Plate, the 4th space bar, the 5th space bar and insulation board.The periphery left part of principal part be provided with a ring and lower ending opening first interval Plate, first space bar and principal part, left limit plate shape are into boost voltage coil groove.Be provided with the middle part of the periphery of principal part in a ring and The second space bar, the 3rd space bar, the 4th space bar and the 5th space bar of lower ending opening, the second space bar, the 3rd space bar, 4th space bar and the 5th space bar are spacedly distributed from left to right, so as to which the second space bar is formed with principal part, the first space bar Left primary coil groove, the second space bar and principal part, the 3rd space bar form left secondary wire ring recess, the 4th space bar and principal part, the Three space bars form degaussing coil groove, and the 4th space bar forms right secondary wire ring recess, the 5th space bar with principal part, the 5th space bar With principal part, right limit plate shape into right primary coil groove.Insulation board has 4, and insulation board is separately positioned on left secondary wire ring recess and the right side The bottom front and rear sides of secondary wire ring recess, so as to which left secondary wire ring recess and right secondary wire ring recess take the shape of the letter U.
Further, stitch connecting portion is included positioned at the left stitch connecting portion of the lower section of lower-left limiting section and positioned at lower limit on the right The right stitch connecting portion of the lower section in position portion.The lower end of left stitch connecting portion is provided 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 provided between 5 stitch holes Coil guide groove.The lower end of right stitch connecting portion is provided with 3 standby stitch holes being spacedly distributed.
Realize that the two of the technical scheme of the object of the invention is to provide a kind of switch transformer component with primary coil, wrap 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 be arranged on The stitch connecting portion of the lower section of corresponding magnetic core limiting section.The magnetic for being used to install magnetic core that the center of principal part is provided with left and right insertion returns Lu Kong.Magnetic core limiting section and principal part or so penetrate, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.It is main The periphery in portion is sequentially provided with boost voltage coil groove, left primary coil groove, left secondary wire ring recess, degaussing coil groove, the right side vertically The peripheral shape of secondary wire ring recess and right primary coil groove, left secondary wire ring recess and right secondary wire ring recess takes the shape of the letter U.Stitch connecting portion Including the left stitch connecting portion positioned at the lower section of lower-left limiting section and the right stitch connecting portion positioned at the lower section of bottom right limiting section.It is left The lower end of stitch connecting portion is provided with 5 stitch holes, including 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch Hole, it is spacedly distributed between 5 stitch holes, 4 left coil guide grooves is provided between 5 stitch holes.Under right stitch connecting portion End is provided with 3 standby stitch holes being spacedly distributed.
Stitch by 8, be respectively fixedly disposed at the left stitch connecting portion of skeleton 2 primary coil stitch holes, 3 auxiliary And in degaussing coil stitch hole and 3 standby stitch holes of right stitch connecting portion.
Primary coil, degaussing coil, boost voltage coil use conductor wire.Primary coil is wrapped in the left primary of skeleton In coil groove and right primary coil groove, the initiating terminal and clearing end of primary coil 2 primary lines with left stitch connecting portion respectively Stitch in circle stitch hole is welded to connect.Degaussing coil is wrapped in degaussing coil groove, and boost voltage coil is wrapped in auxiliary electricity In line ball ring recess, the initiating terminal or clearing end of degaussing coil and boost voltage coil share the degaussing coil pin of left stitch connecting portion 1 stitch in the 17-1-2 of pin hole, so as to which the initiating terminal or clearing end of degaussing coil and boost voltage coil are connected 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 connecting portion.Primary coil, go The equal insulation processing in cross-contact position of magnetic coil and boost voltage coil.
Realize that the three of the technical scheme 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 be arranged on The stitch connecting portion of the lower section of corresponding magnetic core limiting section.The magnetic for being used to install magnetic core that the center of principal part is provided with left and right insertion returns Lu Kong.Magnetic core limiting section and principal part or so penetrate, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.It is main The periphery in portion is sequentially provided with boost voltage coil groove, left primary coil groove, left secondary wire ring recess, degaussing coil groove, the right side vertically The peripheral shape of secondary wire ring recess and right primary coil groove, left secondary wire ring recess and right secondary wire ring recess takes the shape of the letter U.Stitch connecting portion Including the left stitch connecting portion positioned at the lower section of lower-left limiting section and the right stitch connecting portion positioned at the lower section of bottom right limiting section.It is left The lower end of stitch connecting portion is provided with 5 stitch holes, including 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch Hole, it is spacedly distributed between 5 stitch holes, 4 left coil guide grooves is provided between 5 stitch holes.Under right stitch connecting portion End is provided with 3 standby stitch holes being spacedly distributed.
Stitch by 8, be respectively fixedly disposed at the left stitch connecting portion of skeleton 2 primary coil stitch holes, 3 auxiliary And in degaussing coil stitch hole and 3 standby stitch holes of right stitch connecting portion.
Primary coil, degaussing coil, boost voltage coil use conductor wire.Primary coil is wrapped in the left primary of skeleton In coil groove and right primary coil groove, the initiating terminal and clearing end of primary coil 2 primary lines with left stitch connecting portion respectively Stitch in circle stitch hole is welded to connect.Degaussing coil is wrapped in degaussing coil groove, and boost voltage coil is wrapped in auxiliary electricity In line ball ring recess, the initiating terminal or clearing end of degaussing coil and boost voltage coil share the degaussing coil pin of left stitch connecting portion 1 stitch in the 17-1-2 of pin hole, so as to which the initiating terminal or clearing end of degaussing coil and boost voltage coil are connected 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 connecting portion.Primary coil, go The equal insulation processing in 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-hand member is corresponding, and the shape of the core of magnetic core is corresponding with the magnetic loop hole of skeleton.2 magnetic cores are respectively from the left and right two of skeleton The head that end is inserted in magnetic loop hole up to 2 magnetic cores by its core is respectively embedded into the left side and right side of skeleton, so as to It is spacing above and below magnetic core to be arranged on skeleton, and form magnetic loop.2 magnetic cores from circumferential using fixed adhesive plaster winding by being fixed Connection, so as to which magnetic core or so is installed on skeleton.
The circle of quantity 1 to 8 of secondary coil 8, include 1 to 3 inductor loop conductor per circle secondary coil.Inductor loop conductor Entirety is inverted U shape, and is made of copper material or aluminum core copper wire or aluminum, the copper material uses the preferable red copper of electric conductivity, inductance The circular in cross-section or kidney ellipsoid of return conductors, its area of section are 0.5 to 10mm2.Inverted U-shaped inductor loop conductor has 2 connection ends.Openings of sizes at 2 connection ends 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 groove.2 circle secondary coils are separately positioned on left secondary wire ring recess and right secondary coil In groove, all inductor loop conductors are open by it respectively stretches out left secondary coils through after the principal part of skeleton by its 2 connection ends Groove or right secondary wire ring recess, the connection end of inductor loop conductor is the initiating terminal and clearing end of secondary coil.
Realize that the four of the technical scheme 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 whole circuit.Circuit board is arranged in shell.
The switch transformer includes switch transformer component, magnetic core, secondary coil and 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 be arranged on The stitch connecting portion of the lower section of corresponding magnetic core limiting section.The magnetic for being used to install magnetic core that the center of principal part is provided with left and right insertion returns Lu Kong.Magnetic core limiting section and principal part or so penetrate, and the shape in magnetic core limiting section and magnetic loop hole is corresponding with the shape of magnetic core.It is main The periphery in portion is sequentially provided with boost voltage coil groove, left primary coil groove, left secondary wire ring recess, degaussing coil groove, the right side vertically The peripheral shape of secondary wire ring recess and right primary coil groove, left secondary wire ring recess and right secondary wire ring recess takes the shape of the letter U.Stitch connecting portion Including the left stitch connecting portion positioned at the lower section of lower-left limiting section and the right stitch connecting portion positioned at the lower section of bottom right limiting section.It is left The lower end of stitch connecting portion is provided with 5 stitch holes, including 2 primary coil stitch holes and 3 auxiliary and degaussing coil stitch Hole, it is spacedly distributed between 5 stitch holes, 4 left coil guide grooves is provided between 5 stitch holes.Under right stitch connecting portion End is provided with 3 standby stitch holes being spacedly distributed.
Stitch by 8, be respectively fixedly disposed at the left stitch connecting portion of skeleton 2 primary coil stitch holes, 3 auxiliary And in degaussing coil stitch hole and 3 standby stitch holes of right stitch connecting portion.
Primary coil, degaussing coil, boost voltage coil use conductor wire.Primary coil is wrapped in the left primary of skeleton In coil groove and right primary coil groove, the initiating terminal and clearing end of primary coil 2 primary lines with left stitch connecting portion respectively Stitch in circle stitch hole is welded to connect.Degaussing coil is wrapped in degaussing coil groove, and boost voltage coil is wrapped in auxiliary electricity In line ball ring recess, the initiating terminal or clearing end of degaussing coil and boost voltage coil share the degaussing coil pin of left stitch connecting portion 1 stitch in the 17-1-2 of pin hole, so as to which the initiating terminal or clearing end of degaussing coil and boost voltage coil are connected 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 connecting portion.Primary coil, go The equal insulation processing in 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-hand member is corresponding, and the shape of the core of magnetic core is corresponding with the magnetic loop hole of skeleton.2 magnetic cores are respectively from the left and right two of skeleton The head that end is inserted in magnetic loop hole up to 2 magnetic cores by its core is respectively embedded into the left side and right side of skeleton, so as to It is spacing above and below magnetic core to be arranged on skeleton, and form magnetic loop.2 magnetic cores from circumferential using fixed adhesive plaster winding by being fixed Connection, so as to which magnetic core or so is installed on skeleton.
The circle of quantity 1 to 8 of secondary coil 8, include 1 to 3 inductor loop conductor per circle secondary coil.Inductor loop conductor Entirety is inverted U shape, and is made of copper material or aluminum core copper wire or aluminum, the copper material uses the preferable red copper of electric conductivity, inductance The circular in cross-section or kidney ellipsoid of return conductors, its area of section are 0.5 to 10mm2.Inverted U-shaped inductor loop conductor has 2 connection ends.Openings of sizes at 2 connection ends 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 groove.2 circle secondary coils are separately positioned on left secondary wire ring recess and right secondary coil In groove, all inductor loop conductors are open by it respectively stretches out left secondary coils through after the principal part of skeleton by its 2 connection ends Groove or right secondary wire ring recess, the connection end of inductor loop conductor is the initiating terminal and clearing end of secondary coil.
8 stitch of switch transformer through circuit board corresponding via after slicker solder welding by way of with circuit board electricity Connection, 2 connection ends of all inductor loop conductors of the secondary coil of switch transformer are through after the corresponding via of circuit board By way of slicker solder welding and circuit board electrical connection, so that switch transformer be fixedly connected on circuit boards.It is secondary per circle 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 is connected so as to which each circle secondary coil completes loop by circuit board.
Further, the electronic component of the installation on circuit boards also includes inductance.Inductance include magnet ring and 1 to 25 circle inductance coils, the magnet ring surface are covered with insulating barrier.Include 1 to 3 second inductor loop conductor per circle inductance coil.The Two inductor loop conductors are integrally inverted U shape, and are made of copper material or aluminum core copper wire or aluminum, 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, its area of section are 0.5 to 10mm2.It is inverted U-shaped The second inductor loop conductor there are 2 connection ends.Openings of sizes and magnet ring at 2 connection ends of the second inductor loop conductor Ring footpath 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 through after the ring portion of magnet ring with magnet ring tight fit connection, 2 connections of the second inductor loop conductor being enclosed on magnet ring End is through by way of slicker solder welding and circuit board electrical connection, and the second inductor loop conductor is consolidated after the corresponding via of circuit board Fixed connection on circuit boards, is set on circuit boards so as to which magnet ring is also spacing in the presence of the second inductor loop conductor.Per 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 as to which each circle inductance coil completes loop by circuit board, each circle inductance coil surrounds magnetic by circuit board The equiangularly spaced distribution in center of ring.
The further Switching Power Supply also includes auxiliary copper cash.Auxiliary copper cash for increasing electric current is arranged on front and rear Between the corresponding connection end of 2 connected second inductor loop conductors or the corresponding of front and rear 2 connected inductor loop conductors connects Between connecing end, the auxiliary copper cash passes through welding between the second inductor loop conductor or the corresponding connection end of inductor loop conductor Or conducting resinl realizes electrical connection.
Further, the skeleton of the switch transformer also include the first space bar, the second space bar, the 3rd space bar, 4th space bar, the 5th space bar and insulation board.The periphery left part of principal part be provided with a ring and lower ending opening the first space bar, First space bar and principal part, left limit plate shape are into boost voltage coil groove.Be provided with the middle part of the periphery of principal part in a ring and under The second space bar, the 3rd space bar, the 4th space bar and the 5th space bar of end opening, the second space bar, the 3rd space bar, Four space bars and the 5th space bar are spacedly distributed from left to right, so as to which the second space bar forms a left side with principal part, the first space bar Primary coil groove, the second space bar form left secondary wire ring recess, the 4th space bar and principal part, the 3rd with principal part, the 3rd space bar Space bar forms degaussing coil groove, and the 4th space bar and principal part, the 5th space bar form right secondary wire ring recess, the 5th space bar with Principal part, right limit plate shape are into right primary coil groove.Insulation board has 4, and insulation board is separately positioned on left secondary wire ring recess and right time The bottom front and rear sides of level coil groove, so as to which left secondary wire ring recess and right secondary wire ring recess take the shape of the letter U.
The present invention has positive effect:(1)The skeleton of the switch transformer of the present invention is by primary coil and secondary coil Separated by cell body insulation, become to pass through groove and radially spaced-apart primary coil and secondary coil by insulating tape by traditional Body is axially spaced, so that the radiating effect of switch transformer is preferable, during use temperature less than traditional switch transformer 5 to 10 DEG C, service life is longer.
(2)The structure of the inductor loop conductor of the present invention is simple and manufacturing cost is relatively low, and secondary coil is complete by circuit board Connected into loop, the sectional area of inductor loop conductor is much larger than copper cash, avoids the need for the copper cash of the more number of turns to wind, caloric value Smaller, radiating 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, cost is further reduced, the usage quantity of insulating tape can also greatly reduce in addition;Inductor loop is led The replacing of body is also more convenient, and whole switch transformer or inductance need not be changed when going wrong.Cause switch transformer simultaneously And the manufacture of intraocular of whole Switching Power Supply saves half man-hour, technique is relatively simple.
(3)The present invention solves the problems, such as that overcurrent is too small by increasing auxiliary copper cash so that whole switch transformer The inductor loop coil of secondary coil and inductance completed by circuit board it is more stable when loop connects, whole Switching Power Supply it is steady It is qualitative more preferable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the skeleton of the switch transformer in embodiment 1(Front view);
Fig. 2 is Fig. 1 top view;
Fig. 3 is Fig. 1 upward view;
A kind of schematic perspective view when Fig. 4 is from Fig. 1 left anterior-superior part;
A kind of schematic perspective view when Fig. 5 is from Fig. 1 right front lower place;
Fig. 6 is a kind of structural representation of the switch transformer component with primary coil in embodiment 2(Front view);
Fig. 7 is Fig. 6 upward view;
A kind of schematic perspective view when Fig. 8 is from Fig. 6 left anterior-superior part;
Fig. 9 is a kind of structural representation of the switch transformer in embodiment 3(Front view);
Figure 10 is Fig. 9 upward view;
A kind of schematic perspective view when Figure 11 is from Fig. 9 left anterior-superior part;
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 Figure 13 left view;
Figure 15 is the structural representation of the inductor loop conductor in Figure 11;
Figure 16 is a kind of structural representation of the Switching Power Supply in embodiment 4 and 5(Electronic component is only shown in front view, figure Switch transformer and inductance);
A kind of schematic perspective view when Figure 17 is from Figure 16 left anterior-superior part;
Figure 18 is Figure 16 right view;
Figure 19 is the connection signal from the auxiliary copper cash in the switch transformer in Figure 16 when Figure 16 B is from and embodiment 6 Figure.
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 limit on the left Position portion 13-2, upper right limiting section 13-3, bottom right limiting section 13-4, the first space bar 14-1, the second space bar 14-2, the 3rd is spaced Plate 14-3, the 4th space bar 14-4, the 5th space bar 14-5, boost voltage coil groove 15-1, left primary coil groove 15-2, left time Level coil groove 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, auxiliary and degaussing coil stitch hole 17-1-2, left coil guide groove 17-1- 3, right stitch connecting portion 17-2, standby 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, Gu Determine adhesive plaster 8, shell 91, circuit board 92, inductance 93, magnet ring 93-1, the second inductor loop conductor 93-2, aid in copper cash 94.
Embodiment
When the present invention describes in progress orientation, it is described with orientation shown in Fig. 1, the orientation up and down in figure is describing In and up and down, the orientation of court of drawing institute is front in figure, is rear away from the orientation of drawing.
(The skeleton of embodiment 1, switch transformer)
See Fig. 1 to Fig. 5, the skeleton 1 of the switch transformer of the present embodiment is integral piece, a skeleton 1 made of use bakelite material Center be principal part 11 in a tubular form, the center of principal part 11 is provided with the magnetic loop hole 11-1 for being used to install magnetic core of left and right insertion; The central symmetry of the left and right sides of principal part 11, which is provided with, to be used to install left limit plate 12-1 spacing during magnetic core, right limit plate 12- 2, left limit plate 12-1, right limit plate 12-2 are equipped with the through hole with magnetic loop hole 11-1 insertions, left limit plate 12-1 and right limit Position plate 12-2 is to remove the plate portion formed after a big cambered plate of grade, left limit by the circular slab provided with center through hole is symmetrical above and below The symmetrical above and below of position plate 12-1 is provided with upper left limiting section 13-1, the lower-left limiting section 13-2 for protruding from left limit plate 12-1, right limit The symmetrical above and below of position plate 12-2 is provided with upper right limiting section 13-3, the bottom right limiting section 13-4 for protruding from right limit plate 12-2, upper left Limiting section 13-1, upper right limiting section 13-3 are in isosceles triangle shape, lower-left limiting section 13-2, bottom right limiting section 13-4 are in isosceles Triangle;The shape and switch transformer of left limit plate 12-1, upper left limiting section 13-1 and lower-left limiting section 13-2 formation Magnetic core is corresponding, the shape and switch transformer of right limit plate 12-2, upper right limiting section 13-3 and bottom right limiting section 13-4 formation Magnetic core is corresponding.The periphery left part of principal part 11 be provided with a ring and lower ending opening the first space bar 14-1, first space bar 14-1 forms boost voltage coil groove 15-1 with principal part 11, left limit plate 12-1;Be provided with the middle part of the periphery of principal part 11 in a ring and The second space bar 14-2, the 3rd space bar 14-3, the 4th space bar 14-4 and the 5th space bar 14-5 of lower ending opening, between second Dividing plate 14-2, the 3rd space bar 14-3, the 4th space bar 14-4 and the 5th space bar 14-5 are spacedly distributed from left to right, so as to Second space bar 14-2 and principal part 11, the first space bar 14-1 form left primary coil groove 15-2, the second space bar 14-2 and master Portion 11, the 3rd space bar 14-3 form left secondary wire ring recess 15-3, the 4th space bar 14-4 and principal part 11, the 3rd space bar 14-3 Form degaussing coil groove 15-4, the 4th space bar 14-4 and form right secondary wire ring recess 15-5 with principal part 11, the 5th space bar 14-5, 5th space bar 14-5 and principal part 11, right limit plate 12-2 form right primary coil groove 15-6.Insulation board 16 has 4, left secondary Coil groove 15-3 and right secondary wire ring recess 15-5 bottom front and rear sides are equipped with 1 insulation board 16, so as to left secondary wire ring recess 15-3 and right secondary wire ring recess 15-5 take the shape of the letter U.Lower-left limiting section 13-2 lower section is provided with left stitch connecting portion 17-1, and left stitch connects Socket part 17-1 lower end is provided with 5 stitch holes, including 2 primary coil stitch hole 17-1-1 and 3 auxiliary and degaussing coil Stitch hole 17-1-2, it is spacedly distributed between 5 stitch holes, 4 left coil guide groove 17-1-3 is provided between 5 stitch holes, Auxiliary and degaussing coil stitch hole 17-1-2 corresponding to boost voltage coil and degaussing coil initiating terminal or clearing end share one Individual stitch, so as to only need 3 auxiliary and degaussing coil stitch hole 17-1-2.Bottom right limiting section 13-4 lower section is provided with right stitch Connecting portion 17-2, right stitch connecting portion 17-2 lower end are provided with 3 standby 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 includes skeleton 1, primary coil 2, degaussing Coil 3, boost voltage coil 4 and stitch 5, the skeleton 1 use the skeleton of the switch transformer obtained by embodiment 1.Pin Pin 5 by 8, be respectively fixedly disposed at the left stitch connecting portion 17-1 of skeleton 12 primary coil stitch hole 17-1-1,3 it is auxiliary Help and degaussing coil stitch hole 17-1-2 and right stitch connecting portion 17-2 3 standby stitch hole 17-2-1 in.
Primary coil 2, degaussing coil 3, boost voltage coil 4 use conductor wire, and the present embodiment uses conductive copper wire;Just Level coil 2 be wrapped in the left primary coil groove 15-2 and right primary coil groove 15-6 of skeleton 1, the initiating terminal of primary coil 2 and Clearing end is welded to connect with the stitch 5 in left stitch connecting portion 17-1 2 primary coil stitch hole 17-1-1 respectively;Remove magnet-wire Circle 3 is wrapped in degaussing coil groove 15-4, and boost voltage coil 4 is wrapped in boost voltage coil groove 15-1, the He of degaussing coil 3 The initiating terminal or clearing end of boost voltage coil 4 share 1 in left stitch connecting portion 17-1 degaussing coil stitch hole 17-1-2 Individual stitch 5, so as to the degaussing of the initiating terminal or clearing end of degaussing coil 3 and boost voltage coil 4 and left stitch connecting portion 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 left stitch connecting portion 17-1 remaining 2 degaussing coil stitch hole 17-1-2 is welded to connect.Primary coil 2, go The equal insulation processing in cross-contact position of magnetic coil 3 and boost voltage coil 4, using insulating tape parcel coil in the present embodiment Copper cash realizes insulation processing.
(Embodiment 3, switch transformer)
See Fig. 9 to Figure 11, the switch transformer of the present embodiment includes the switch transformation with primary coil obtained by embodiment 2 Device assembly, 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 EPC39 general magnetic core, magnetic core 6 make paint-dipping process processing, the shape of the shape on the head of magnetic core 6 and the left or right of skeleton 1 Shape is corresponding, and the shape of the core of magnetic core 6 is corresponding with the magnetic loop hole 11-1 of skeleton 1.Fig. 9 to Figure 11 is still seen, 2 magnetic cores 6 divide Do not inserted from the left and right ends of skeleton 1 by its core in magnetic loop hole 11-1 up to the head of 2 magnetic cores 6 is respectively embedded into skeleton 1 Left side and right side in, be arranged on skeleton 1 so that magnetic core is spacing about 6, and formation magnetic loop;2 magnetic cores 6 by from It is circumferential to wind and be fixedly connected using fixed adhesive plaster 8, so as to which magnetic core 6 or so is installed on skeleton 1.
The circle of quantity 1 to 8 of secondary coil 8, include 1 to 3 inductor loop conductor 71 per circle secondary coil 7;The present embodiment The quantity of middle secondary coil 7 is 2 circles, includes 1 inductor loop conductor 71 per circle secondary coil 7.See Figure 13 to Figure 15, inductance returns Road conductor 71 is overall 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, its 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 connection ends.Still see figure 9 to Figure 11, the openings of sizes at 2 connection ends 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 left primary coil groove 15-2 height.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 be open through after the principal part 11 of skeleton 1 by Left secondary wire ring recess 15-3 or right secondary wires ring recess 15-5 is stretched out in its 2 connection ends, and the connection end of inductor loop conductor 71 is The initiating terminal and clearing end of secondary coil 7.The present embodiment switch transformer installation on circuit boards when, by its 8 stitch 9 with And the connection end of all inductor loop conductors 71 through circuit board corresponding via after slicker solder welding 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 the switch obtained by embodiment 3 Transformer, printed circuit board (PCB) of the circuit board 92 i.e. for Switching Power Supply, English name PCB(Printed Circuit Board);The conductive copper foil for whole circuit is printed with circuit board 92.Circuit board 92 is arranged in shell 91.Circuit Switch transformer and all kinds of electronic components for Switching Power Supply are installed on plate 92(It is not shown in figure in addition to inductance).Open 8 stitch 5 of pass transformer are electrically connected after passing through the corresponding via of circuit board 92 by way of slicker solder welding with circuit board 92, After 2 connection ends of all inductor loop conductors 71 of the secondary coil 7 of switch transformer pass through the corresponding via of circuit board 92 Electrically connected by way of slicker solder welding with circuit board 92, so as to which switch transformer is fixedly connected on circuit board 92.Per 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 as to each circle secondary coil 7 pass through circuit board 92 complete loop connect.
(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 include Inductance 93.Inductance 93 includes the magnet ring circle inductance coils of 93-1 and 1 to 25, and the magnet ring 93-1 surfaces are covered with insulating barrier;The electricity per circle Sense coil includes 1 to 3 second inductor loop conductor 93-2, and the quantity of inductance coil is 4 circles in the present embodiment, often circle inductor wire Circle 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 is made, and the copper material uses the preferable red copper of electric conductivity, the second inductor loop conductor 93-2 circular in cross-section or Kidney ellipsoid, its area of section are 0.5 to 10mm2, the second inductor loop conductor 93-2 area of section is 2mm in the present embodiment2。 The second inverted U-shaped inductor loop conductor 93-2 has 2 connection ends.At second inductor loop conductor 93-2 2 connection ends Openings of sizes is corresponding with magnet ring 93-1 ring footpath, and the second inductor loop conductor 93-2 height is corresponding with magnet ring 93-1 height. All second inductor loop conductor 93-2 respectively by its be open through after magnet ring 93-1 ring portion with magnet ring 93-1 tight fit connections, 2 connection ends for the second inductor loop conductor 93-2 being enclosed on magnet ring 93-1 pass through lead after passing through the corresponding via of circuit board 92 The mode of tin welding is electrically connected with circuit board 92, and the second inductor loop conductor 93-2 is fixedly connected on circuit board 92, so as to Magnet ring 93-1 is also spacing in the presence of the second inductor loop conductor 93-2 to be arranged on circuit board 92.Wrapped per circle inductance coil It is connected in parallel between 1 to the 3 second inductor loop conductor 93-2 included by circuit board 92, passes through electricity between each circle inductance coil Road plate 92 is connected in series, and is connected so as to which each circle inductance coil completes loop by circuit board 92, each circle inductance coil surrounds magnet ring The 93-1 equiangularly spaced distribution in center.
(Embodiment 6, Switching Power Supply)
The Switching Power Supply of the present embodiment and embodiment 4 or 5 are essentially identical, and its difference is:Also include auxiliary copper cash 94, such as The overcurrent size of the copper-foil conducting electricity of circuit board 92 is inadequate, then front and rear 2 connected second inductor loop conductors in circuit Aided between 93-2 corresponding connection end or by increasing between the corresponding connection end of front and rear 2 connected inductor loop conductors 71 Copper cash 94 increases electric current, and the auxiliary copper cash 94 connects to the second inductor loop conductor 93-2 or the corresponding of inductor loop conductor 71 Connect and electrical connection is realized by welding or conducting resinl between holding, auxiliary copper cash 94 is arranged on solder side or the element surface side of circuit board 92 , see Figure 19, aid in copper cash 94 to be arranged on the welding surface side of circuit board 92 in the present embodiment, auxiliary copper cash 94 is arranged on switch Between the corresponding connection end of 2 inductor loop conductors 71 of the secondary coil 7 of transformer.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to the present invention The restriction of embodiment.For those of ordinary skill in the field, it can also be made on the basis of the above description Its various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair Among the obvious changes or variations that bright spirit is extended out is still in protection scope of the present invention.

Claims (2)

  1. A kind of 1. switch transformer component with primary coil, it is characterised in that:Including skeleton(1), primary coil(2), go Magnetic coil(3), boost voltage coil(4)And stitch(5);
    Skeleton(1)Including centrally located principal part(11), be symmetricly set on principal part(11)The left and right sides magnetic core limiting section with And it is arranged on the stitch connecting portion of the lower section of corresponding magnetic core limiting section;Principal part(11)Center be provided with left and right insertion be used for pacify Fill the magnetic loop hole of magnetic core(11-1);Magnetic core limiting section and principal part(11)Left and right penetrates, and magnetic core limiting section and magnetic loop hole (11-1)Shape it is corresponding with the shape of magnetic core;Principal part(11)Periphery be sequentially provided with boost voltage coil groove vertically(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) With right primary coil groove(15-6), left secondary wire ring recess(15-3)And right secondary wire ring recess(15-5)Peripheral shape take the shape of the letter U;Pin Pin connecting portion includes being located at lower-left limiting section(13-2)Lower section left stitch connecting portion(17-1)With positioned at bottom right limiting section (13-4)Lower section right stitch connecting portion(17-2);Left stitch connecting portion(17-1)Lower end be provided with 5 stitch holes, including 2 Individual primary coil stitch hole(17-1-1)And 3 auxiliary and degaussing coil stitch hole(17-1-2), between waiting between 5 stitch holes 4 left coil guide grooves are provided between distribution, 5 stitch holes(17-1-3);Right stitch connecting portion(17-2)Lower end be provided with 3 standby stitch holes being spacedly distributed(17-2-1);
    Stitch(5)By 8, skeleton is respectively fixedly disposed at(1)Left stitch connecting portion(17-1)2 primary coil stitch holes (17-1-1), 3 auxiliary and degaussing coil stitch hole(17-1-2)With right stitch connecting portion(17-2)3 standby stitch holes (17-2-1)It is interior;
    Primary coil(2), degaussing coil(3), boost voltage coil(4)Use conductor wire;Primary coil(2)It is wrapped in skeleton (1)Left primary coil groove(15-2)And right primary coil groove(15-6)It is interior, primary coil(2)Initiating terminal and clearing end difference With left stitch connecting portion(17-1)2 primary coil stitch holes(17-1-1)Interior stitch(5)It is welded to connect;Degaussing coil (3)It is wrapped in degaussing coil groove(15-4)It is interior, boost voltage coil(4)It is wrapped in boost voltage coil groove(15-1)It is interior, degaussing Coil(3)With boost voltage coil(4)Initiating terminal or clearing end share left stitch connecting portion(17-1)Degaussing coil stitch 1 stitch in the 17-1-2 of hole(5), so as to degaussing coil(3)With boost voltage coil(4)Initiating terminal or clearing end and left pin Pin connecting portion(17-1)Degaussing coil stitch hole 17-1-2 in same 1 stitch(5)It is welded to connect, degaussing coil(3)With it is auxiliary Help potential winding(4)The other end respectively with left stitch connecting portion(17-1)Remaining 2 degaussing coil stitch hole 17-1-2 Interior stitch(5)It is welded to connect;Primary coil(2), degaussing coil(3)With boost voltage coil(4)Cross-contact position it is equal Insulation processing.
  2. A kind of 2. Switching Power Supply, it is characterised in that:Including shell(91), circuit board(92)And installed in circuit board(92)On All kinds of electronic components for Switching Power Supply including switch transformer;Circuit board(92)On be printed with for whole electricity The conductive copper foil on road;Circuit board(92)Installed in shell(91)It is interior;
    The switch transformer includes switch transformer component, magnetic core with primary coil(6), secondary coil(7)It is and solid Determine 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)Including centrally located principal part(11), be symmetricly set on principal part(11)The left and right sides magnetic core limiting section with And it is arranged on the stitch connecting portion of the lower section of corresponding magnetic core limiting section;Principal part(11)Center be provided with left and right insertion be used for pacify Fill the magnetic loop hole of magnetic core(11-1);Magnetic core limiting section and principal part(11)Left and right penetrates, and magnetic core limiting section and magnetic loop hole (11-1)Shape it is corresponding with the shape of magnetic core;Principal part(11)Periphery be sequentially provided with boost voltage coil groove vertically(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) With right primary coil groove(15-6), left secondary wire ring recess(15-3)And right secondary wire ring recess(15-5)Peripheral shape take the shape of the letter U;Pin Pin connecting portion includes being located at lower-left limiting section(13-2)Lower section left stitch connecting portion(17-1)With positioned at bottom right limiting section (13-4)Lower section right stitch connecting portion(17-2);Left stitch connecting portion(17-1)Lower end be provided with 5 stitch holes, including 2 Individual primary coil stitch hole(17-1-1)And 3 auxiliary and degaussing coil stitch hole(17-1-2), between waiting between 5 stitch holes 4 left coil guide grooves are provided between distribution, 5 stitch holes(17-1-3);Right stitch connecting portion(17-2)Lower end be provided with 3 standby stitch holes being spacedly distributed(17-2-1);
    Stitch(5)There are 8, be respectively fixedly disposed at skeleton(1)Left stitch connecting portion(17-1)2 primary coil stitch holes (17-1-1), 3 auxiliary and degaussing coil stitch hole(17-1-2)With right stitch connecting portion(17-2)3 standby stitch holes (17-2-1)It is interior;
    Primary coil(2), degaussing coil(3), boost voltage coil(4)Use conductor wire;Primary coil(2)It is wrapped in skeleton (1)Left primary coil groove(15-2)And right primary coil groove(15-6)It is interior, primary coil(2)Initiating terminal and clearing end difference With left stitch connecting portion(17-1)2 primary coil stitch holes(17-1-1)Interior stitch(5)It is welded to connect;Degaussing coil (3)It is wrapped in degaussing coil groove(15-4)It is interior, boost voltage coil(4)It is wrapped in boost voltage coil groove(15-1)It is interior, degaussing Coil(3)With boost voltage coil(4)Initiating terminal or clearing end share left stitch connecting portion(17-1)Auxiliary and remove magnet-wire Enclose stitch hole(17-1-2)1 interior stitch(5), so as to degaussing coil(3)With boost voltage coil(4)Initiating terminal or termination End and left stitch connecting portion(17-1)Auxiliary and degaussing coil stitch hole(17-1-2)Interior same 1 stitch(5)It is welded to connect, Degaussing coil(3)With boost voltage coil(4)The other end respectively with left stitch connecting portion(17-1)It is remaining 2 auxiliary and Degaussing coil stitch hole(17-1-2)Interior stitch(5)It is welded to connect;Primary coil(2), degaussing coil(3)With boost voltage line Circle(4)The equal insulation processing in cross-contact position;
    The magnetic core(6)Quantity be 2, magnetic core(6)Make paint-dipping process processing, magnetic core(6)Head shape and skeleton(1) Left or right shape it is corresponding, magnetic core(6)Core shape and skeleton(1)Magnetic loop hole(11-1)It is corresponding;2 magnetic Core(6)Respectively from skeleton(1)Left and right ends magnetic loop hole is inserted by its core(11-1)In until 2 magnetic cores(6)Head It is respectively embedded into skeleton(1)Left side and right side in, so as to magnetic core(6)It is spacing up and down to be arranged on skeleton(1)On, and form magnetic Loop;2 magnetic cores(6)By using fixed adhesive plaster from circumferential(8)Wind and be fixedly connected, so as to by magnetic core(6)Left and right is spacing Installed in skeleton(1)On;
    The quantity of secondary coil is 1 to 8 circle, per circle secondary coil(7)Including 1 to 3 inductor loop conductor(71);Inductor loop Conductor(71)Entirety is inverted U shape, and is made of copper material or aluminum core copper wire or aluminum, and the copper material is preferably purple using electric conductivity Copper, inductor loop conductor(71)Circular in cross-section or kidney ellipsoid, its area of section be 0.5 to 10mm2;Inverted U-shaped inductance Return conductors(71)With 2 connection ends;Inductor loop conductor(71)2 connection ends at openings of sizes and left secondary coil Groove(15-3)It is corresponding, inductor loop conductor(71)Height and left primary coil groove(15-2)Height it is corresponding;2 circle secondary coils (7)It is separately positioned on left secondary wire ring recess(15-3)With right secondary wire ring recess(15-5)It is interior, all inductor loop conductors(71)Point It is not open by it through skeleton(1)Principal part(11)Afterwards left secondary wire ring recess is stretched out by its 2 connection ends(15-3)Or right secondary Coil groove(15-5), inductor loop conductor(71)Connection end be secondary coil(7)Initiating terminal and clearing end;
    8 stitch of switch transformer(5)Through circuit board(92)Corresponding via after slicker solder welding by way of and circuit Plate(92)Electrical connection, the secondary coil of switch transformer(7)All inductor loop conductors(71)2 connection ends pass through circuit Plate(92)Corresponding via after slicker solder welding by way of and circuit board(92)Electrical connection, connect so as to which switch transformer be fixed It is connected on circuit board(92)On;Per circle secondary coil(7)1 to 3 included inductor loop conductor(71)Between pass through circuit board (92)It is connected in parallel, each circle secondary coil(7)Between pass through circuit board(92)It is connected in series, so as to each circle secondary coil(7)It is logical Oversampling circuit plate(92)Complete loop connection;
    It is described to be arranged on circuit board(92)On electronic component also include inductance(93);Inductance(93)Including magnet ring(93-1) And 1 to 25 circle inductance coil, the magnet ring(93-1)Surface is covered with insulating barrier;Include 1 to 3 second inductance per circle inductance coil Return conductors(93-2);Second inductor loop conductor(93-2)Entirety is inverted U shape, using copper material or aluminum core copper wire or aluminum system Into the copper material uses the preferable red copper of electric conductivity, the second inductor loop conductor(93-2)Circular in cross-section or kidney ellipsoid, Its area of section is 0.5 to 10mm2;The second inverted U-shaped inductor loop conductor(93-2)With 2 connection ends;Second inductance returns Road conductor(93-2)2 connection ends at openings of sizes and magnet ring(93-1)Ring footpath it is corresponding, the second inductor loop conductor (93-2)Height and magnet ring(93-1)Height it is corresponding;All second inductor loop conductors(93-2)Respectively by its be open through Magnet ring(93-1)Ring portion after with magnet ring(93-1)Tight fit connection, it is enclosed on magnet ring(93-1)On the second inductor loop conductor (93-2)2 connection ends pass through circuit board(92)Corresponding via after slicker solder welding by way of and circuit board(92)It is electrically connected Connect, and the second inductor loop conductor(93-2)It is fixedly connected on circuit board(92)On, so as to magnet ring(93-1)Returned in the second inductance Road conductor(93-2)In the presence of also spacing be arranged on circuit board(92)On;Per 1 to 3 second electricity included by circle inductance coil Feel return conductors(93-2)Between pass through circuit board(92)It is connected in parallel, passes through circuit board between each circle inductance coil(92)Series connection Connection, so as to which each circle inductance coil passes through circuit board(92)Loop connection is completed, each circle inductance coil surrounds magnet ring(93-1)'s The equiangularly spaced distribution in center;
    The Switching Power Supply also includes auxiliary copper cash(94);For increasing the auxiliary copper cash of electric current(94)It is connected before and after being arranged on 2 second inductor loop conductors(93-2)Corresponding connection end between or front and rear 2 connected inductor loop conductors(71)Phase Between answering connection end, the auxiliary copper cash(94)With the second inductor loop conductor(93-2)Or inductor loop conductor(71)It is corresponding Electrical connection is realized by welding or conducting resinl between connection end;
    The skeleton of the switch transformer(1)Also include 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);Principal part(11)Periphery left part be provided be in First space bar of annular and lower ending opening(14-1), first space bar(14-1)With principal part(11), left limit plate(12- 1)Form boost voltage coil groove(15-1);Principal part(11)Periphery in the middle part of be provided with a ring and lower ending opening the second space bar (14-2), the 3rd space bar(14-3), the 4th space bar(14-4)With the 5th space bar(14-5), the second space bar(14-2)、 3rd space bar(14-3), the 4th space bar(14-4)With the 5th space bar(14-5)It is spacedly distributed from left to right, so that the Two space bars(14-2)With principal part(11), the first space bar(14-1)Form left primary coil groove(15-2), the second space bar (14-2)With principal part(11), the 3rd space bar(14-3)Form left secondary wire ring recess(15-3), the 4th space bar(14-4)With master Portion(11), the 3rd space bar(14-3)Form degaussing coil groove(15-4), the 4th space bar(14-4)With principal part(11), between the 5th Dividing plate(14-5)Form right secondary wire ring recess(15-5), the 5th space bar(14-5)With principal part(11), right limit plate(12-2)Shape Into right primary coil groove(15-6);Insulation board(16)There are 4, insulation board(16)It is separately positioned on left secondary wire ring recess(15-3)And Right secondary wire ring recess(15-5)Bottom front and rear sides, so as to left secondary wire ring recess(15-3)And right secondary wire ring recess(15-5)It is in U-shaped.
CN201710474385.9A 2015-03-04 2015-03-04 Switch transformer assembly with primary coil and switch power supply Active CN107481838B (en)

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CN104681253A (en) 2015-06-03
CN107481838B (en) 2020-05-01

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