Switch transformer and Switching Power Supply
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
Machine, communication, electron detection device power supply, control device power supply etc. have all been widely used Switching Power Supply, more promote switch
Power technology is developed rapidly.
Longitudinal casing and one piece of the usual Switching Power Supply including an aluminium alloy system or steel are fixed in shell
Printed circuit board (PCB), is additionally provided with the heat abstractors such as fin or fan 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 on an electronic device Switching Power Supply.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 for enclosing winding causes that caloric value is larger, and multiple-turns wound causes 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 are accomplished by increasing the number of turn of coil, then the operation 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, manufactures manpower high cost, and the appearance of certain position of coil is for example old
, it is necessary to change whole switch transformer during the problem of change fracture etc..In addition, the secondary coil of whole circle winding is needed in insulating Design
More insulating tape is used, cost is also higher.For example in the market extensively sale PQ35 switch transformers be exist it is above-mentioned
Each shortcoming.
The content of the invention
The technical problem to be solved in the present invention be to provide a kind of simple structure and the relatively low switch transformer of manufacturing cost and
The radiating effect of Switching Power Supply, the switch transformer and Switching Power Supply is preferable and is easy to maintenance.
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 installing 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 and the shape of magnetic core are corresponding.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 be provided with that Open Side Down for installing
The stitch hole of stitch.
Further, the magnetic core limiting section positioned at the left side of principal part includes that left limit plate, upper left limiting section and lower-left are spacing
Portion, the magnetic core limiting section positioned at the right side of principal part includes 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 being provided with the circular slab of 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 are protruded 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.Principal part periphery middle part be provided with a ring and
Second space bar of lower ending opening, the 3rd space bar, the 4th space bar and the 5th space bar, the second space bar, the 3rd space bar,
4th space bar and the 5th space bar are spacedly distributed from left to right, so that 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
Both sides before and after the bottom of secondary wire ring recess, so that 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, and 4 left sides are provided between 5 stitch holes
Coil gathering sill.The lower end of right stitch connecting portion is provided with the standby stitch hole of 3 for 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 is including centrally located principal part, the magnetic core limiting section of the left and right sides for being symmetricly set on principal part and is arranged on
The stitch connecting portion of the lower section of corresponding magnetic core limiting section.The magnetic for installing magnetic core that the center of principal part is provided with left and right insertion is returned
Lu Kong.Magnetic core limiting section and principal part or so insertion, and the shape in magnetic core limiting section and magnetic loop hole and the shape of magnetic core are corresponding.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, is spacedly distributed between 5 stitch holes, and 4 left coil gathering sills are provided between 5 stitch holes.Under right stitch connecting portion
End is provided with 3 standby stitch holes being spacedly distributed.
Stitch is respectively fixedly disposed at 2 primary coil stitch holes, 3 auxiliary of the left stitch connecting portion of skeleton by 8
And in 3 standby stitch holes of degaussing coil stitch hole and 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 respectively with 2 of left stitch connecting portion primary lines
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 that 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 with the stitch in remaining 2 degaussing coil stitch hole 17-1-2 of left stitch connecting portion respectively.Primary coil, go
The equal insulation processing in the 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 is including centrally located principal part, the magnetic core limiting section of the left and right sides for being symmetricly set on principal part and is arranged on
The stitch connecting portion of the lower section of corresponding magnetic core limiting section.The magnetic for installing magnetic core that the center of principal part is provided with left and right insertion is returned
Lu Kong.Magnetic core limiting section and principal part or so insertion, and the shape in magnetic core limiting section and magnetic loop hole and the shape of magnetic core are corresponding.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, is spacedly distributed between 5 stitch holes, and 4 left coil gathering sills are provided between 5 stitch holes.Under right stitch connecting portion
End is provided with 3 standby stitch holes being spacedly distributed.
Stitch is respectively fixedly disposed at 2 primary coil stitch holes, 3 auxiliary of the left stitch connecting portion of skeleton by 8
And in 3 standby stitch holes of degaussing coil stitch hole and 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 respectively with 2 of left stitch connecting portion primary lines
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 that 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 with the stitch in remaining 2 degaussing coil stitch hole 17-1-2 of left stitch connecting portion respectively.Primary coil, go
The equal insulation processing in the cross-contact position of magnetic coil and boost voltage coil.
The quantity of the magnetic core is 2, and magnetic core makees paint-dipping process treatment, the shape of the head of magnetic core and the left end of skeleton or
The shape correspondence of right-hand member, 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
Hold by its core insertion magnetic loop hole until the head of 2 magnetic cores is respectively embedded into the left side and right side of skeleton so that
Magnetic core is spacing up and down to be arranged on skeleton, and forms magnetic loop.2 magnetic cores are fixed by from circumferential winding using fixed adhesive plaster
Connection, so as to magnetic core or so is installed on skeleton.
The circle of quantity 1 to 8 of secondary coil 8,1 to 3 inductor loop conductor is included per circle secondary coil.Inductor loop conductor
Overall to be made of copper material or aluminum core copper wire or aluminum in inverted U-shaped, 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 through after the principal part of skeleton by it stretch out left secondary coil by its 2 connection ends respectively
Groove or right secondary wire ring recess, the connection end of inductor loop conductor are 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
Dress on circuit boards including all kinds of electronic components for Switching Power Supply including switch transformer.Circuit boards have
For the conductive Copper Foil of whole circuit.Circuit board is arranged in shell.
The switch transformer includes the switch transformer component with primary coil, magnetic core, secondary coil and fixation
Adhesive plaster.
Switch transformer component with primary coil include skeleton, primary coil, degaussing coil, boost voltage coil with
And stitch.
Skeleton is including centrally located principal part, the magnetic core limiting section of the left and right sides for being symmetricly set on principal part and is arranged on
The stitch connecting portion of the lower section of corresponding magnetic core limiting section.The magnetic for installing magnetic core that the center of principal part is provided with left and right insertion is returned
Lu Kong.Magnetic core limiting section and principal part or so insertion, and the shape in magnetic core limiting section and magnetic loop hole and the shape of magnetic core are corresponding.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, is spacedly distributed between 5 stitch holes, and 4 left coil gathering sills are provided between 5 stitch holes.Under right stitch connecting portion
End is provided with 3 standby stitch holes being spacedly distributed.
Stitch is respectively fixedly disposed at 2 primary coil stitch holes, 3 auxiliary of the left stitch connecting portion of skeleton by 8
And in 3 standby stitch holes of degaussing coil stitch hole and 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 respectively with 2 of left stitch connecting portion primary lines
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 that 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 with the stitch in remaining 2 degaussing coil stitch hole 17-1-2 of left stitch connecting portion respectively.Primary coil, go
The equal insulation processing in the cross-contact position of magnetic coil and boost voltage coil.
The quantity of the magnetic core is 2, and magnetic core makees paint-dipping process treatment, the shape of the head of magnetic core and the left end of skeleton or
The shape correspondence of right-hand member, 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
Hold by its core insertion magnetic loop hole until the head of 2 magnetic cores is respectively embedded into the left side and right side of skeleton so that
Magnetic core is spacing up and down to be arranged on skeleton, and forms magnetic loop.2 magnetic cores are fixed by from circumferential winding using fixed adhesive plaster
Connection, so as to magnetic core or so is installed on skeleton.
The circle of quantity 1 to 8 of secondary coil 8,1 to 3 inductor loop conductor is included per circle secondary coil.Inductor loop conductor
Overall to be made of copper material or aluminum core copper wire or aluminum in inverted U-shaped, 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 through after the principal part of skeleton by it stretch out left secondary coil by its 2 connection ends respectively
Groove or right secondary wire ring recess, the connection end of inductor loop conductor are the initiating terminal and clearing end of secondary coil.
8 stitch of switch transformer through circuit board corresponding via after slicker solder weld by way of with circuit board electricity
Connection, after 2 connection ends of all inductor loop conductors of the secondary coil of switch transformer pass through the corresponding via of circuit board
Electrically connected with circuit board by way of slicker solder is welded, so as to switch transformer be fixedly connected on circuit boards.It is secondary per circle
It is connected in parallel by circuit board between 1 to 3 inductor loop conductor included by coil, circuit is passed through between each circle secondary coil
Plate is connected in series, so as to each circle secondary coil completes loop by circuit board connect.
Further, installation electronic component on circuit boards also includes inductance.Inductance include magnet ring and 1 to
25 circle inductance coils, the magnet ring surface is covered with insulating barrier.Include 1 to 3 second inductor loop conductor per circle inductance coil.The
Two inductor loop conductors are made integrally in inverted U-shaped 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 have 2 connection ends.Openings of sizes and magnet ring at 2 connection ends of the second inductor loop conductor
Ring footpath correspondence, 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 and magnet ring tight fit connection, 2 connections of the second inductor loop conductor being enclosed within magnet ring
Hold and electrically connected with circuit board by way of slicker solder is welded through after the corresponding via of circuit board, and the second inductor loop conductor is solid
It is fixed to connect on circuit boards, so as to magnet ring is also spacing in the presence of the second inductor loop conductor set on circuit boards.Per circle
It is connected in parallel by circuit board between 1 to 3 second inductor loop conductor included by inductance coil, between each circle inductance coil
It is connected in series by circuit board, so as to each circle inductance coil completes loop by circuit board connect, each circle inductance coil is around magnetic
The equiangularly spaced distribution in center of ring.
Further described Switching Power Supply also includes auxiliary copper cash.Before and after auxiliary copper cash for increasing electric current is arranged on
Between 2 connected corresponding connection ends of the second inductor loop conductor or the corresponding of front and rear 2 connected inductor loop conductors connects
Connect between holding, it is described to aid in copper cash and pass 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.Principal part periphery middle part be provided with a ring and under
Second space bar of end opening, the 3rd space bar, the 4th space bar and the 5th space bar, the second space bar, the 3rd space bar,
Four space bars and the 5th space bar are spacedly distributed from left to right, so that the second space bar forms a left side with principal part, the first space bar
Primary coil groove, the second space bar forms 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
Both sides before and after the bottom of level coil groove, so that 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 switch transformer of the invention is by primary coil and secondary coil
Insulated by cell body and separated, traditional primary coil radially spaced-apart by insulating tape and secondary coil are become by groove
Body is axially spaced, so that the radiating effect of switch transformer preferably, when using temperature less than traditional switch transformer 5 to
10 DEG C, service life is more long.
(2)The simple structure of inductor loop conductor of the invention and manufacturing cost is relatively low, secondary coil is complete by circuit board
Into loop connection, 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, further reduces cost, in addition the usage quantity of insulating tape can also greatly reduce;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.Switch transformer is caused simultaneously
And the manufacture of intraocular of whole Switching Power Supply saves half man-hour, technique is relatively simple.
(3)The present invention is too small to solve the problems, such as overcurrent by increasing auxiliary copper cash so that whole switch transformer
The inductor loop coil of secondary coil and inductance by circuit board complete loop connect when it is more stable, 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 the top view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is a kind of schematic perspective view when left anterior-superior part observation of Fig. 1;
Fig. 5 is a kind of schematic perspective view when being observed from the right front lower place of Fig. 1;
Fig. 6 is a kind of structural representation of the switch transformer component with primary coil in embodiment 2(Front view);
Fig. 7 is the upward view of Fig. 6;
Fig. 8 is a kind of schematic perspective view when left anterior-superior part observation of Fig. 6;
Fig. 9 is a kind of structural representation of the switch transformer in embodiment 3(Front view);
Figure 10 is the upward view of Fig. 9;
Figure 11 is a kind of schematic perspective view when left anterior-superior part observation of 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 of the Switching Power Supply in embodiment 4 and 5(Electronic component is only in front view, figure
Switch transformer and inductance are shown);
Figure 17 is a kind of schematic perspective view when left anterior-superior part observation of Figure 16;
Figure 18 is the right view of Figure 16;
Figure 19 be switch transformer from from the B of Figure 16 to Figure 16 during observation with embodiment 6 in auxiliary copper cash connection
Schematic diagram.
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 is left
Lower limit 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
Space bar 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 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 are left
Stitch connecting portion 17-1, primary coil stitch hole 17-1-1, auxiliary and degaussing coil stitch hole 17-1-2, left coil gathering sill
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, fixed 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.
Specific embodiment
The present invention is described when carrying out orientation and describing with orientation shown in Fig. 1, and the orientation up and down in figure is in description
In be also up and down, in figure the orientation of court of drawing institute be front, away from the orientation of drawing be rear.
(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 the integral piece being made of bakelite material, bone
The center of frame 1 is principal part 11 in a tubular form, and the center of principal part 11 is provided with the magnetic loop hole 11- for installing magnetic core of left and right insertion
1;The central symmetry of the left and right sides of principal part 11 is provided with for installing left limit plate 12-1, right limit plate spacing during magnetic core
12-2, left limit plate 12-1, right limit plate 12-2 are equipped with the through hole with the 11-1 insertions of magnetic loop hole, left limit plate 12-1 and the right side
Limiting plate 12-2 is that the circular slab of center through hole is symmetrical above and below to remove the plate portion formed after a big cambered plate of grade, a left side by being provided with
The symmetrical above and below of limiting 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
The symmetrical above and below of limiting 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, a left side
Upper limit portion 13-1, upper right limiting section 13-3 in isosceles triangle shape, lower-left limiting section 13-2, bottom right limiting section 13-4 in etc.
Lumbar triangle shape;Shape and switch transformer that left limit plate 12-1, upper left limiting section 13-1 and lower-left limiting section 13-2 are formed
Magnetic core correspondence, shape and switch transformer that right limit plate 12-2, upper right limiting section 13-3 and bottom right limiting section 13-4 are formed
Magnetic core correspondence.The periphery left part of principal part 11 be provided with a ring and lower ending opening the first space bar 14-1, first interval
Plate 14-1 forms boost voltage coil groove 15-1 with principal part 11, left limit plate 12-1;The periphery middle part of principal part 11 is provided with 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, second of lower ending opening
Space bar 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, from
And the 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 with
Principal part 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 forms degaussing coil groove 15-4, the 4th space bar 14-4 and forms right secondary wire ring recess with principal part 11, the 5th space bar 14-5
15-5, the 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, a left side
Both sides are equipped with 1 insulation board 16 before and after the bottom of secondary wire ring recess 15-3 and right secondary wire ring recess 15-5, so that left secondary wire
Ring recess 15-3 and right secondary wire ring recess 15-5 take the shape of the letter U.Left stitch connecting portion 17-1, left pin are provided with below lower-left limiting section 13-2
The lower end of pin connecting portion 17-1 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, is spacedly distributed between 5 stitch holes, and 4 left coil gathering sill 17- are provided between 5 stitch holes
The initiating terminal or clearing end of 1-3, auxiliary and the corresponding boost voltage coils of degaussing coil stitch hole 17-1-2 and degaussing coil are total to
With a stitch, so as to only need to 3 auxiliary and degaussing coil stitch hole 17-1-2.The right side is provided with below bottom right limiting section 13-4
The lower end of stitch connecting portion 17-2, right stitch connecting portion 17-2 is provided with the standby stitch hole 17-2-1 of 3 for being spacedly distributed.
(Embodiment 2, the switch transformer component with primary coil)
See Fig. 6 to Fig. 8, the switch transformer component with primary coil of the present embodiment include skeleton 1, primary coil 2,
Degaussing coil 3, boost voltage coil 4 and stitch 5, the skeleton 1 use the bone of the switch transformer obtained by embodiment 1
Frame.Stitch 5 by 8, be respectively fixedly disposed at the left stitch connecting portion 17-1 of skeleton 12 primary coil stitch hole 17-1-1,
In 3 standby stitch hole 17-2-1 of 3 auxiliary and degaussing coil stitch hole 17-1-2 and right stitch connecting portion 17-2.
Primary coil 2, degaussing coil 3, boost voltage coil 4 use conductor wire, the present embodiment to use conductive copper wire;Just
Level coil 2 be wrapped in the left primary coil groove 15-2 of skeleton 1 and right primary coil groove 15-6, the initiating terminal of primary coil 2 and
Clearing end is welded to connect with the stitch 5 in 2 primary coil stitch hole 17-1-1 of left stitch connecting portion 17-1 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 the degaussing coil stitch hole 17-1-2 of left stitch connecting portion 17-1
Individual stitch 5, so that 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 remaining 2 degaussing coil stitch hole 17-1-2 of left stitch connecting portion 17-1 is welded to connect.Primary coil 2, go
The equal insulation processing in the cross-contact position of magnetic coil 3 and boost voltage coil 4, coil is wrapped up in the present embodiment using insulating tape
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 with primary coil obtained by embodiment 2
Transformer device, magnetic core 6, secondary coil 7 and fixed adhesive plaster 8.See Figure 12, the quantity of the magnetic core 6 is 2, using model
It is the general magnetic core of EPC39, magnetic core 6 makees paint-dipping process treatment, the shape of the head of magnetic core 6 and the left or right of skeleton 1
Shape correspondence, 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
Respectively from the left and right two ends of skeleton 1 by its core insertion magnetic loop hole 11-1 up to the head of 2 magnetic cores 6 is respectively embedded into skeleton
In 1 left side and right side, so as to magnetic core is spacing about 6 be arranged on skeleton 1, and magnetic loop is formed;2 magnetic cores 6 pass through
It is fixedly connected from circumferential winding using fixed adhesive plaster 8, so as to magnetic core 6 or so is installed on skeleton 1.
The circle of quantity 1 to 8 of secondary coil 8,1 to 3 inductor loop conductor 71 is included per circle secondary coil 7;The present embodiment
The quantity of middle secondary coil 7 is 2 circles, and 1 inductor loop conductor 71 is included per circle secondary coil 7.See Figure 13 to Figure 15, inductance is returned
Road conductor 71 is overall to be made in inverted U-shaped 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
The circular in cross-section of conductor 71, area of section are 2mm2.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 the height of left primary coil groove 15-2.2 circle secondary coils 7 are separately positioned on left secondary wire ring recess
In 15-3 and right secondary wire ring recess 15-5, all inductor loop conductors 71 respectively by its opening 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 switch transformer of the present embodiment is installed when on circuit boards, by its 8 stitch 9 with
And the connection end of all inductor loop conductors 71 through circuit board corresponding via after slicker solder weld by way of and circuit board
Electrical connection.
(Embodiment 4, Switching Power Supply)
See Figure 16 to Figure 18, the Switching Power Supply of the present embodiment includes shell 91, circuit board 92 and obtained by embodiment 3
Switch transformer, circuit board 92 is the printed circuit board (PCB) for being used for Switching Power Supply, and English name is 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 addition to inductance in figure).Open
Close transformer 8 stitch 5 through circuit board 92 corresponding via after slicker solder weld by way of electrically connected 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 with circuit board 92 by way of slicker solder is welded, so as to switch transformer is fixedly connected on circuit board 92.Per circle
Be connected in parallel by circuit board 92 between 1 to 3 inductor loop conductor 71 included by secondary coil 7, each circle secondary coil 7 it
Between be connected in series by circuit board 92 so that each circle secondary coil 7 by 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, its difference is:Also
Including 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;Often
Circle inductance coil includes 1 to 3 second inductor loop conductor 93-2, and the quantity of inductance coil is 4 circles in the present embodiment, the electricity per circle
Sense coil includes 2 second inductor loop conductor 93-2;Second inductor loop conductor 93-2 integrally in inverted U-shaped, using copper material or
Copper clad aluminum material is made, and the copper material uses the preferable red copper of electric conductivity, and the cross section of the second inductor loop conductor 93-2 is in circle
Shape or kidney ellipsoid, its area of section are 0.5 to 10mm2, the area of section of the second inductor loop conductor 93-2 is in the present embodiment
2mm2.The second inverted U-shaped inductor loop conductor 93-2 has 2 connection ends.2 connection ends of the second inductor loop conductor 93-2
The openings of sizes at place is corresponding with the ring footpath of magnet ring 93-1, the height of the second inductor loop conductor 93-2 and the height pair of magnet ring 93-1
Should.All second inductor loop conductor 93-2 are open through after the ring portion of magnet ring 93-1 by it connect with magnet ring 93-1 tight fits respectively
Connect, 2 connection ends of the second inductor loop conductor 93-2 being enclosed within magnet ring 93-1 are through leading to after the corresponding via of circuit board 92
The mode for crossing slicker solder welding is electrically connected with circuit board 92, and the second inductor loop conductor 93-2 is fixedly connected on circuit board 92,
It is arranged 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.Per circle inductance coil
It is connected in parallel by circuit board 92 between 1 to 3 included second inductor loop conductor 93-2, is led between each circle inductance coil
Oversampling circuit plate 92 is connected in series, thus each circle inductance coil by circuit board 92 complete loop connect, each circle inductance coil around
The equiangularly spaced distribution in center of magnet ring 93-1.
(Embodiment 6, Switching Power Supply)
The Switching Power Supply of the present embodiment is essentially identical with embodiment 4 or 5, and its difference is:Also include auxiliary copper cash
94, the overcurrent size of such as copper-foil conducting electricity of circuit board 92 is inadequate, then front and rear 2 connected second inductor loops in circuit
Pass through to increase between the corresponding connection end of conductor 93-2 or between the corresponding connection end of front and rear 2 connected inductor loop conductors 71
Copper cash 94 is aided in increase electric current, the auxiliary copper cash 94 and the second inductor loop conductor 93-2 or the phase of inductor loop conductor 71
Answer and electrical connection is realized by welding or conducting resinl between connection end, auxiliary copper cash 94 is arranged on the solder side or element of circuit board 92
Surface side, sees Figure 19, aids in copper cash 94 to be arranged on the welding surface side of circuit board 92 in the present embodiment, and auxiliary copper cash 94 is arranged on
Between the corresponding connection end of 2 inductor loop conductors 71 of the secondary coil 7 of switch transformer.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to of the invention
The restriction of implementation method.For those of ordinary skill in the field, it can also be made on the basis of the above description
The change or variation of its multi-form.There is no need and unable to be exhaustive to all of implementation method.And these belong to this hair
Obvious change that bright spirit is extended out or among changing still in protection scope of the present invention.