CN205789444U - A kind of mains transformer - Google Patents
A kind of mains transformer Download PDFInfo
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- CN205789444U CN205789444U CN201620465533.1U CN201620465533U CN205789444U CN 205789444 U CN205789444 U CN 205789444U CN 201620465533 U CN201620465533 U CN 201620465533U CN 205789444 U CN205789444 U CN 205789444U
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Abstract
The open a kind of mains transformer of this utility model, including transformator base plate；Open butt joint and be laterally located at the first U-shaped magnetic core and the second U-shaped magnetic core of transformator base plate；It is wound around the first magnetic core isolation adhesive tape of the first U-shaped magnetic core base arm and is wound around the second magnetic core isolation adhesive tape of the second U-shaped magnetic core base arm；It is wound in a N1 winding of the first magnetic core isolation adhesive tape and is wound in the 2nd N1 winding of the second magnetic core isolation adhesive tape；Wrap up a N1 insulating tape and the 2nd N1 insulating tape of parcel the 2nd N1 winding of a N1 winding；The N5 insulating tape of parcel N5 winding；It is wound in N1 insulating tape two ends and passes the N5 winding of transformator base plate；The N6 insulating tape of parcel N6 winding, is wound in the 2nd N1 insulating tape two ends and passes the N6 winding of transformator base plate；For wrapping up the peripheral adhesive tape of mains transformer peripheral surface.Using exoskeletal design, volume is less；In preference, the advantage with high-efficiency transfer and high conversion efficiency.
Description
Technical field
This utility model relates to field transformer, is specifically related to a kind of mains transformer.
Background technology
Miniaturization along with electronic product, it is desirable to the volume of mains transformer miniaturization the most therewith.Traditional power supply becomes
Depressor usually uses the vertical transformer or horizontal type transformer that various skeleton model makes, with meeting that tradition carcasing becomes
The safety transformer of various standards, its volume is the biggest, and processing technology is extremely complex, and through-put power is low, a side
Face can not meet the use requirement to volume of transformer of the miniaturized electronic product, on the other hand, can not meet miniaturized electronic
Product is to transformator high power transmission and the requirement of high conversion efficiency.
Utility model content
In order to overcome in prior art (about 1200W) mains transformer volume when transmitting equal relatively high power generally the biggest
Defect, this utility model provides a kind of and is transmitting the mains transformer that relative volume is less under conditions of equal relatively high power.
In order to solve above-mentioned technical problem, this utility model discloses a kind of mains transformer, comprising:
Transformator base plate；
First U-shaped magnetic core and the second U-shaped magnetic core, the two open butt joint and being laterally fixed on transformator base plate；
First magnetic core isolation adhesive tape and the second magnetic core isolation adhesive tape；First magnetic core isolation adhesive tape is wound in the first U-shaped magnetic core
Base arm, the second magnetic core isolation adhesive tape is wound in the base arm of the second U-shaped magnetic core；
Oneth N1 winding and the 2nd N1 winding；Oneth N1 winding technique is in the first magnetic core isolation adhesive tape extexine, the 2nd N1
Winding technique is in the extexine of the second magnetic core isolation adhesive tape；
Oneth N1 insulating tape and the 2nd N1 insulating tape；Oneth N1 insulating tape parcel the oneth N1 winding, the 2nd N1 is exhausted
Edge adhesive tape parcel the 2nd N1 winding；
N5 winding and N5 insulating tape；N5 insulating tape parcel N5 winding, N5 winding technique is outside a N1 insulating tape
Top layer, its two ends pass transformator base plate；
N6 winding and N6 insulating tape；N6 insulating tape parcel N6 winding, N6 winding technique is outside the 2nd N1 insulating tape
Top layer, its two ends pass transformator base plate；
Peripheral adhesive tape, it is positioned at mains transformer outermost, for wrapping up the peripheral surface of mains transformer.
According to an embodiment of the present utility model, above-mentioned mains transformer also includes:
N2 winding, it is wound in a wherein support arm of the first U-shaped magnetic core；
N3 winding, it is wound in a wherein support arm of the second U-shaped magnetic core, and end same with N2 winding, N2 winding and N3 winding
It is also located at the open butt joint of the first U-shaped magnetic core and the second U-shaped magnetic core；
N4 winding, it is wound at the open butt joint of the first U-shaped magnetic core and the second U-shaped magnetic core, and with N2 winding and N3 around
It is the most right to organize.
According to an embodiment of the present utility model, above-mentioned mains transformer also includes:
First air gap rubber cushion and interstice rubber cushion；
First air gap rubber cushion is arranged at when the first U-shaped magnetic core wherein support arm docks with the second corresponding support arm of U-shaped magnetic core
On interface, by support arm isolation corresponding with the second U-shaped magnetic core for a wherein support arm of the first U-shaped magnetic core；
When interstice rubber cushion is arranged at first another support arm of U-shaped magnetic core with second U-shaped magnetic core another support arm corresponding docking
Interface on, by corresponding with the second U-shaped magnetic core for another support arm of the first U-shaped magnetic core another support arm isolation.
According to an embodiment of the present utility model, above-mentioned mains transformer also includes:
3rd magnetic core isolation adhesive tape, it is located between the first U-shaped magnetic core and the first magnetic core isolation adhesive tape, for cladding first
U-shaped magnetic core outer surface.
According to an embodiment of the present utility model, above-mentioned mains transformer also includes:
4th magnetic core isolation adhesive tape, it is located between the second U-shaped magnetic core and the second magnetic core isolation adhesive tape, for cladding second
U-shaped magnetic core outer surface.
According to an embodiment of the present utility model, above-mentioned mains transformer also includes:
The N7 shielding Copper Foil that cross section is L-shaped, it is near N4 winding；A N7 shielding Copper Foil wherein bottom surface portions covers second
The outer surface of U-shaped magnetic core one support arm, another bottom surface portions covers the outer surface of the second U-shaped magnetic core base arm.
According to an embodiment of the present utility model, in above-mentioned mains transformer:
N5 winding and N6 winding are Copper Foil coiling and form, and the width of Copper Foil is 10mm, and thickness is 0.1mm.
According to an embodiment of the present utility model, in above-mentioned mains transformer: the first U-shaped magnetic core and the second U-shaped magnetic core
PC95 material is all used to make.
Compared with prior art, this utility model can obtain and include techniques below effect: the power supply in this utility model
Transformator uses exoskeletal design, and a N1 winding and the 2nd N1 winding as mains transformer armature winding are directly wound on
Above magnetic core, make mains transformer volume relatively conventional mains transformer volume less, be more suitable for requiring that small size power supply becomes
The application scenario of depressor；Further, the relatively conventional mains transformer of structure of mains transformer of the present utility model is the simplest, more
It is beneficial to standardized production, thus improves production efficiency.And in preferred version, as mains transformer secondary windings N5 winding and
N6 winding is to use the wide Copper Foil coiling 1 of insulating tape parcel to enclose (Copper Foil width 10mm, thick 0.4mm), simplifies loop construction, enters
One step reduces the volume of mains transformer, and strengthens radiating effect, simplifies operating type, thus improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view of mains transformer；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the upward view of Fig. 1；
Fig. 4 is the internal perspective view of mains transformer；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the decomposing schematic representation of mains transformer；
Fig. 7 is the fundamental diagram of mains transformer.
Description of reference numerals: 1, transformator base plate；2, the first U-shaped magnetic core；3, the second U-shaped magnetic core；4, the first magnetic core isolation
Adhesive tape；5, the second magnetic core isolation adhesive tape；6, a N1 winding；7, the 2nd N1 winding；8, a N1 insulating tape；9, the 2nd N1 is exhausted
Edge adhesive tape；10, N5 winding；11, N5 insulating tape；12, N6 winding；13, N6 insulating tape；14, peripheral adhesive tape；15, N2 winding；
16, N3 winding；17, N4 winding；18, the 3rd magnetic core isolation adhesive tape；19, the 4th magnetic core isolation adhesive tape；20, N7 shields Copper Foil；21、
Bar hole position；22, magnetic core fixing glue；23, the first air gap rubber cushion；24, interstice rubber cushion.
Detailed description of the invention
Hereinafter will schematically disclose multiple embodiment of the present utility model, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit this practicality newly
Type.It is to say, in some embodiments of the present utility model, the details in these practices is non-essential.Additionally, be letter
Change graphic for the sake of, some known usual structures and assembly will illustrate it in the drawings in the way of simply illustrative.
About it " first ", " second " etc. used herein, censure order or the meaning of cis-position, the most non-use the most especially
To limit this utility model, it is only used to assembly or the operation that difference describes with constructed term.
This utility model is the design being related to a kind of mains transformer, and it is small-sized that this mains transformer can be applicable to polymorphic type
Change in electronic product, such as small-sized DVD, communication apparatus and GPS navigation etc..For making more in understanding, implementation below will be further
The structure that mains transformer is described and the benefit brought thereof.
In conjunction with Fig. 1-6, mains transformer includes: transformator base plate 1 and the transformator basis being located on transformator base plate 1
Body.Transformer body includes: first U-shaped magnetic core 2, second U-shaped magnetic core the 3, first magnetic core isolation adhesive tape the 4, second magnetic core isolation glue
Band 5, armature winding, secondary windings and peripheral adhesive tape 14.Wherein, armature winding include a N1 winding 6, the 2nd N1 winding 7,
One N1 insulating tape 8 and the 2nd N1 insulating tape 9.Secondary windings includes N5 winding 10, N5 insulating tape 11, N6 winding 12 and N6
Insulating tape 13.
First U-shaped magnetic core 2 and second U-shaped both magnetic cores 3 open butt joint, is laterally fixed on transformator base plate 1, specifically divides
Tong Guo magnetic core fixing glue 22 not be fixed on transformator base plate 1.First magnetic core isolation adhesive tape 4 is wound in the end of the first U-shaped magnetic core 2
Arm, the second magnetic core isolation adhesive tape 5 is wound in the base arm of the second U-shaped magnetic core 3；Oneth N1 winding 6 is wound in the first magnetic core isolation glue
Carrying 4 extexines, the 2nd N1 winding 7 to be wound in the extexine of the second magnetic core isolation adhesive tape 5, wherein, the first magnetic core isolation adhesive tape 4 makes
First U-shaped magnetic core 2 is dielectrically separated from a N1 winding 6, and the second magnetic core isolation adhesive tape 5 makes the second U-shaped magnetic core 3 and the 2nd N1 winding
7 are dielectrically separated from.Oneth N1 insulating tape 8 wraps up a N1 winding 6, and the 2nd N1 insulating tape 9 wraps up the 2nd N1 winding 7.N5 is exhausted
Edge adhesive tape 11 wraps up N5 winding 10, and N5 winding 10 is wound in N1 insulating tape 8 extexine, and its two ends pass transformator base plate
1；N6 insulating tape 13 wraps up N6 winding 12, and N6 winding 12 is wound in the 2nd N1 insulating tape 9 extexine, and its two ends pass transformation
Device base plate 1.Peripheral adhesive tape 14 is positioned at mains transformer outermost, for wrapping up the peripheral surface of mains transformer.Such as Fig. 3,
Correspondence position on transformator base plate 1, offers four bar hole positions 21, and N5 winding 10 and N6 winding 12 is respectively by corresponding position
The bar hole position 21 put is through transformator base plate 1.
In this example, mains transformer uses exoskeletal design, as N1 winding 6 He of mains transformer armature winding
2nd N1 winding 7 is directly wound on above magnetic core so that in the case of the power (about 1200W) that transmission is the biggest, power supply
Volume of transformer relatively conventional mains transformer volume is less, is more suitable for requiring the application scenario of small size mains transformer；
And the relatively conventional mains transformer of structure of mains transformer of the present utility model is the simplest, more conducively standardized production,
Thus improve production efficiency.
In concrete example, the first U-shaped magnetic core 2 is identical with the second U-shaped magnetic core 3 shape size, and both uses PC95 material system
Become, and all use flat design, additionally, the outer surface at the first U-shaped magnetic core 2 and the second U-shaped magnetic core 3 sprays one the most respectively
Layer insullac.Using flat design to be more beneficial for reducing the size of mains transformer, in this example, the first U-shaped magnetic core 2 and second is U-shaped
The core cross section used in the sectional area ratio conventional power source transformator of magnetic core 3 amasss big more than 50%, and it therefore can be greatly improved
Power transmits effect, and can make full use of bigger magnetic core surface and dispel the heat so that mains transformer temperature rise is relatively low, thus
Can work with long-time stable；First U-shaped magnetic core 2 and the outer surface spray insulation paint of the second U-shaped magnetic core 3, adds the two
Insulation effect so that it is performance is more stable, service life is longer.And the magnetic core using PC95 material to make has the property that excellent
Gesture:
(1) initial permeability (x10-6): 3300 ± 25%；
(2) relative loss factor: ＜ 4；
(3) saturation flux density (mT): 530 (25 DEG C)；
(4) remanent magnetism (mT): 80 (25 DEG C)；
(5) coercivity (A/m): 9.5 (25 DEG C)；
(6) core loss Pc:350 (kW/m3) (25 DEG C)；300(kW/m3)(100℃)；
(7) Curie temperature (DEG C): ＞ 215；
(8) resistivity (Ω .m): 6.5；
(9) density (kg/m3x103): 4.8.
The superior function that above-mentioned PC95 material is had, further such that the mains transformer made in efficiency of transmission and turns
Change and in efficiency, be all substantially better than conventional power source transformator.
Additionally, in another example, N5 winding 10 and N6 winding 12 is Copper Foil coiling and forms, and the width of Copper Foil is 10mm,
Thickness is 0.1mm.The most not only simplify loop construction, reduce mains transformer volume, also enhance radiating effect, simplify
Operating type, thus improve production efficiency.
Further, such as Fig. 1 and 6, in mains transformer, transformer body also includes assisting winding, auxiliary winding to include:
N2 winding 15, N3 winding 16 and N4 winding 17.N2 winding 15 is wound in a wherein support arm of the first U-shaped magnetic core 2；N3 winding 16 around
It is formed on a wherein support arm of the second U-shaped magnetic core 3, and with N2 winding 15 with end, it is U-shaped that N2 winding 15 and N3 winding 16 is also located at first
At the open butt joint of magnetic core 2 and the second U-shaped magnetic core 3；N4 winding 17 is wound in opening of the first U-shaped magnetic core 2 and the second U-shaped magnetic core 3
Mouth joint, and the most right with N2 winding 15 and N3 winding 16.Auxiliary winding is used for detecting voltage, and regulates the balance of voltage.
Further, as shown in Figure 6, in mains transformer, transformer body also includes: the first air gap rubber cushion 23 and
Two air gap rubber cushions 24, both at insulative air gap rubber cushion；First air gap rubber cushion 23 is arranged at a first U-shaped magnetic core 2 wherein support arm
On interface when docking with the second U-shaped corresponding support arm of magnetic core 3, by a wherein support arm and the second U-shaped magnetic of the first U-shaped magnetic core 2
The support arm isolation of core 3 correspondence；It is corresponding with the second U-shaped magnetic core 3 that interstice rubber cushion 24 is arranged at first U-shaped another support arm of magnetic core 2
On interface during the docking of another support arm, by another corresponding with the second U-shaped magnetic core 3 for another support arm of the first U-shaped magnetic core 2 support arm
Isolation.First air gap rubber cushion 23 and the area of interstice rubber cushion 24 binding face and the support arm of the first U-shaped magnetic core 2 and second U-shaped
The interface area of the support arm of magnetic core 3 is identical.First air gap rubber cushion 23 and interstice rubber cushion 24 are used for regulating mains transformer
The size of inductance value.
Such as Fig. 6, in mains transformer, transformer body also includes the 3rd magnetic core isolation adhesive tape 18 and the 4th magnetic core isolation glue
Band 19, the 3rd magnetic core isolation adhesive tape 18 is located between the first U-shaped magnetic core 2 and the first magnetic core isolation adhesive tape 4, for cladding the oneth U
Type magnetic core 2 outer surface；4th magnetic core isolation adhesive tape 19 is located between the second U-shaped magnetic core 3 and the second magnetic core isolation adhesive tape 5, is used for
It is coated with the second U-shaped magnetic core 3 outer surface.3rd magnetic core isolation adhesive tape 18 and the 4th magnetic core isolation adhesive tape 19 can play insulation further
Effect, prevents potential safety hazard.
In another preference, such as Fig. 6, the N7 shielding Copper Foil 20 that cross section is L-shaped, it is near N4 winding 17；N7 shields copper
A paper tinsel 20 wherein bottom surface portions covers the outer surface of the second U-shaped magnetic core 3 one support arm, and another bottom surface portions covers the second U-shaped magnetic core 3
The outer surface of base arm.N7 shielding Copper Foil 20 can effectively suppress electromagnetic interference.
In this example, the concrete manufacturing process of mains transformer is as follows:
(1) the 3rd magnetic core isolation adhesive tape 18 is wrapped on the first U-shaped magnetic core 2, covers the outer surface of the first U-shaped magnetic core 2, then
First magnetic core isolation adhesive tape 4 is wrapped up the base arm of the first U-shaped magnetic core 2, and covers the 3rd magnetic core isolation adhesive tape 18 is positioned at
The part of one U-shaped magnetic core 2 base arm outer surface；
(2) the 4th magnetic core isolation adhesive tape 19 is wrapped on the second U-shaped magnetic core 3, covers the outer surface of the second U-shaped magnetic core 3, then
Second magnetic core isolation adhesive tape 5 is wrapped up the base arm of the second U-shaped magnetic core 3, and covers the 4th magnetic core isolation adhesive tape 19 is positioned at
The part of two U-shaped magnetic core 3 base arm outer surfaces；
(3) the first air gap rubber cushion 23 is affixed on the cross section of a first U-shaped magnetic core 2 wherein support arm, by interstice rubber cushion
On 24 cross sections being affixed on first U-shaped another support arm of magnetic core 2, then point respectively on the cross section of two support arms of the second U-shaped magnetic core 3
Glue, by solid for two support arm correspondences of two support arms of the second U-shaped magnetic core 3 and the first U-shaped magnetic core 2 being pasted with two air gap rubber cushions
Fixed, make the two open butt joint；In this operation, the first air gap rubber cushion 23 can also be affixed on cutting of a second U-shaped magnetic core 3 wherein support arm
On face, interstice rubber cushion 24 is then affixed on the cross section of second U-shaped another support arm of magnetic core 3, then at the two of the first U-shaped magnetic core 2
Put glue on the cross section of individual support arm respectively, two support arms of the first U-shaped magnetic core 2 and the second U-shaped magnetic core 3 are fixed respectively, makes the two
Open butt joint, is not construed as limiting in the present embodiment；Now, the first air gap rubber cushion 23 and interstice rubber cushion 24 lay respectively at a U
Between the support arm that type magnetic core 2 is corresponding with the second U-shaped magnetic core 3, support arm is isolated；
(4) at extexine coiling the oneth N1 winding 6 of the first magnetic core isolation adhesive tape 4, the outer surface at a N1 winding 6 twines
Around a N1 insulating tape 8；
(5) at extexine coiling the 2nd N1 winding 7 of the second magnetic core isolation adhesive tape 5, the outer surface at the 2nd N1 winding 7 twines
Around the 2nd N1 insulating tape 9；
(6) on the coil of N5 winding 10, it is wound around N5 insulating tape 11, then the N5 winding 10 of N5 insulating tape 11 will be surrounded by
It is wound in the outer surface of a N1 insulating tape 8；
(7) on the coil of N6 winding 12, it is wound around N6 insulating tape 13, then the N6 winding 12 of N6 insulating tape 13 will be surrounded by
It is wound in the outer surface of the 2nd N1 insulating tape 9；
(8) at a wherein support arm coiling N2 winding 15 of the first U-shaped magnetic core 2, at a wherein support arm of the second U-shaped magnetic core 3
Coiling N3 winding 16, N2 winding 15 and both N3 windings 16 are positioned at the first U-shaped magnetic core 2 and open butt joint of the second U-shaped magnetic core 3
Place；
Coiling N4 winding 17 at the open butt joint of (9) first U-shaped magnetic cores 2 and the second U-shaped magnetic core 3, N4 winding 17 and N2 around
Group 15 and N3 windings 16 are the most right；
(10) the first U-shaped magnetic core 2 and the second U-shaped magnetic core 3 are fastened transversely to transformator base plate 1 by magnetic core fixing glue 22
On, the bar hole position 21 that wherein two ends of N5 winding 10 and N6 winding 12 are each passed through on transformator base plate 1, by magnetic core fixing glue
After 22 dry, N7 shielding Copper Foil 20 and is arranged on the second U-shaped magnetic core 3, N7 shielding Copper Foil 20 is near N4 winding 17, and it is wherein one years old
Bottom surface portions covers the outer surface of the second U-shaped magnetic core 3 one support arm, and another bottom surface portions covers the appearance of the second U-shaped magnetic core 3 base arm
Face；
(11) outermost at mains transformer is wrapped with peripheral adhesive tape 14, to wrap up the peripheral surface of mains transformer.
In above-mentioned manufacturing process, it is also possible to suitably adjust according to practical situation, such as: can also successively according to (1),
(2), (3), (4), (6), (5), (7), (8), (9), (10), the order of (11) carry out, or according to (1), (2), (3), (8),
(9), (4), (6), (5), (7), (10), the order of (11) carry out, or according to (1), (2), (3), (8), (9), (4), (5),
(6), (7), (10), the order of (11) carry out, do not limit.
For the mains transformer in the present embodiment, its operation principle is as shown in Figure 7.Wherein, each winding and insulating tape
Winding method as shown in table 1 below:
Table 1
The electrical characteristic of the mains transformer made in the present embodiment is as follows:
1, inductance value:
L (A-B): 1200uH ± 10%at 1KHz, 0.3V
2, leakage inductance:
LK (A-B): 30uH MAX at 60KHz, 1V, short circuit 1,2,3,4 terminal pins
3, high pressure resistant:
HI-POT TEST:PRI-SEC 3.0KV AC 60Hz 5mA 60S
SEC-CORE 3.0KV AC 60Hz 5mA 60S
PRI-CORE 1.5KV AC 60Hz 5mA 60S
In the present embodiment, mains transformer is in the case of the power (about 1200W) that transmission is the biggest, and volume passes relatively
System mains transformer volume is less；Magnetic core uses PC95 material to make and is flat structure, armature winding, secondary windings, auxiliary
The overall coiling design of winding and each insulating tape, moreover it is possible to mains transformer power conversion efficiency is greatly improved.
Upper described only embodiment of the present utility model, is not limited to this utility model.For this area
For technical staff, this utility model can have various modifications and variations.All in spirit of the present utility model with the interior institute of principle
Any modification, equivalent substitution and improvement etc. made, within all should being included in right of the present utility model.
Claims (8)
1. a mains transformer, it is characterised in that including:
Transformator base plate (1)；
First U-shaped magnetic core (2) and the second U-shaped magnetic core (3), the two open butt joint and being laterally fixed on transformator base plate (1)；
First magnetic core isolation adhesive tape (4) and the second magnetic core isolation adhesive tape (5)；It is U-shaped that first magnetic core isolation adhesive tape (4) is wound in first
The base arm of magnetic core (2), the second magnetic core isolation adhesive tape (5) is wound in the base arm of the second U-shaped magnetic core (3)；
Oneth N1 winding (6) and the 2nd N1 winding (7)；Oneth N1 winding (6) is wound in the first magnetic core isolation adhesive tape (4) appearance
Layer, the 2nd N1 winding (7) is wound in the extexine of the second magnetic core isolation adhesive tape (5)；
Oneth N1 insulating tape (8) and the 2nd N1 insulating tape (9)；Oneth N1 insulating tape (8) parcel the oneth N1 winding (6),
2nd N1 insulating tape (9) parcel the 2nd N1 winding (7)；
N5 winding (10) and N5 insulating tape (11)；N5 insulating tape (11) parcel N5 winding (10), N5 winding (10) is wound in
Oneth N1 insulating tape (8) extexine, its two ends pass transformator base plate (1)；
N6 winding (12) and N6 insulating tape (13)；N6 insulating tape (13) parcel N6 winding (12), N6 winding (12) is wound in
2nd N1 insulating tape (9) extexine, its two ends pass transformator base plate (1)；
Peripheral adhesive tape (14), it is positioned at mains transformer outermost, for wrapping up the peripheral surface of mains transformer.
Mains transformer the most according to claim 1, it is characterised in that also include:
N2 winding (15), it is wound in a wherein support arm of the first U-shaped magnetic core (2)；
N3 winding (16), it is wound in a wherein support arm of the second U-shaped magnetic core (3), and end same with N2 winding (15), N2 winding
And N3 winding (16) is also located at the open butt joint of the first U-shaped magnetic core (2) and the second U-shaped magnetic core (3) (15)；
N4 winding (17), it is wound at the open butt joint of the first U-shaped magnetic core (2) and the second U-shaped magnetic core (3), and with N2 winding
And N3 winding (16) is the most right (15).
Mains transformer the most according to claim 1, it is characterised in that also include:
First air gap rubber cushion (23) and interstice rubber cushion (24)；
First air gap rubber cushion (23) is arranged at first U-shaped magnetic core (2) wherein support arm and the second U-shaped magnetic core (3) corresponding support arm pair
On interface when connecing, by support arm isolation corresponding with the second U-shaped magnetic core (3) for a wherein support arm of the first U-shaped magnetic core (2)；
Interstice rubber cushion (24) is arranged at first U-shaped magnetic core (2) another support arm and second U-shaped magnetic core (3) another support arm corresponding
On interface during docking, by another corresponding with the second U-shaped magnetic core (3) for another support arm of the first U-shaped magnetic core (2) support arm every
From.
Mains transformer the most according to claim 1, it is characterised in that also include:
3rd magnetic core isolation adhesive tape (18), it is located between the first U-shaped magnetic core (2) and the first magnetic core isolation adhesive tape (4), is used for wrapping
Cover the first U-shaped magnetic core (2) outer surface.
Mains transformer the most according to claim 1, it is characterised in that also include:
4th magnetic core isolation adhesive tape (19), it is located between the second U-shaped magnetic core (3) and the second magnetic core isolation adhesive tape (5), is used for wrapping
Cover the second U-shaped magnetic core (3) outer surface.
Mains transformer the most according to claim 2, it is characterised in that also include:
N7 shielding Copper Foil (20) that cross section is L-shaped, it is near N4 winding (17)；N7 shields Copper Foil (20) wherein bottom surface portions
Covering the outer surface of the second U-shaped magnetic core (3) support arm, another bottom surface portions covers the outer surface of the second U-shaped magnetic core (3) base arm.
7. according to the arbitrary described mains transformer of claim 1-6, it is characterised in that: N5 winding (10) and N6 winding (12) are equal
Forming for Copper Foil coiling, the width of Copper Foil is 10mm, and thickness is 0.1mm.
8. according to the arbitrary described mains transformer of claim 1-6, it is characterised in that: the first U-shaped magnetic core (2) and second U-shaped
Magnetic core (3) all uses PC95 material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465533.1U CN205789444U (en) | 2016-05-19 | 2016-05-19 | A kind of mains transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465533.1U CN205789444U (en) | 2016-05-19 | 2016-05-19 | A kind of mains transformer |
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| Publication Number | Publication Date |
|---|---|
| CN205789444U true CN205789444U (en) | 2016-12-07 |
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ID=58117760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620465533.1U Active CN205789444U (en) | 2016-05-19 | 2016-05-19 | A kind of mains transformer |
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| CN (1) | CN205789444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658114A (en) * | 2017-11-08 | 2018-02-02 | 旭源电子（珠海）有限公司 | A kind of transformer and LED drive power |
| CN109920632A (en) * | 2019-03-19 | 2019-06-21 | 厦门科司特电子工业有限公司 | A kind of high-power power transformer and preparation method thereof of low cost |
-
2016
- 2016-05-19 CN CN201620465533.1U patent/CN205789444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658114A (en) * | 2017-11-08 | 2018-02-02 | 旭源电子（珠海）有限公司 | A kind of transformer and LED drive power |
| CN109920632A (en) * | 2019-03-19 | 2019-06-21 | 厦门科司特电子工业有限公司 | A kind of high-power power transformer and preparation method thereof of low cost |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Power transformer/reactor Effective date of registration: 20170811 Granted publication date: 20161207 Pledgee: China Co truction Bank Corp Huizhou branch Pledgor: GUANGDONG LIWANG HI-TECH CO., LTD. Registration number: 2017440000065 |