CN103680867A - Side-winding type winding transformer and winding method thereof - Google Patents
Side-winding type winding transformer and winding method thereof Download PDFInfo
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- CN103680867A CN103680867A CN201210323625.2A CN201210323625A CN103680867A CN 103680867 A CN103680867 A CN 103680867A CN 201210323625 A CN201210323625 A CN 201210323625A CN 103680867 A CN103680867 A CN 103680867A
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Abstract
The invention provides a side-winding type winding transformer and a winding method thereof. The side-winding type winding transformer at least comprises a left iron core and a right iron core, the left iron core and the right iron core are vertically arranged side by side, the left iron core at least is provided with a first winding in a winding mode, and the right iron core is provided with a second winding in a winding mode. According to another embodiment of the invention, the side-winding type winding transformer comprises a left iron core, a middle iron core and a right iron core, the left iron core, the middle iron core and the right iron core are vertically arranged side by side, the middle iron core at least is provided with a first winding in a winding mode, and at least one of the left iron core and the right iron core is provided with a second winding in a winding mode. According to another embodiment of the invention, a middle iron core is provided with a first winding and a second winding in a winding mode, the first winding is located on the inner layer, the second winding is located on the outer layer, at least one of a left iron core and a right iron core is provided with a second winding in a winding mode, and the first winding and the second winding comprise coils on different sides (the primary side or the secondary side) respectively. The side-winding type winding transformer is formed in the mode that an iron core provided with a second winding in a winding mode is arranged on one side of an iron core provided with a first winding in a winding mode, leakage inductance can be adjusted, the heat dissipation effect is good, space is saved, copper loss and iron loss can be lowered, and the electrical property and efficiency can be improved.
Description
Technical field
The present invention is that relevant a kind of coiling transformer and method for winding, particularly a kind of limit are around structure and the method for winding thereof of the coiling transformer of formula.
Background technology
For power inverter, how (for example: computer power supply supply or switched power supply), increase power density, and minification and improve switching frequency (switching frequency) is the problem that the designer of power inverter is concerned about.Although improve switching frequency, can reduce for example size of transformer and filter, switching loss can cause adverse influence to high-frequency work, in order to reduce switching loss, then has resonance handoff technique to be suggested use.
Generally speaking, LLC resonance type power converter comprises: one has the controller of metal oxide semiconductcor field effect transistor (MOSFET), a LLC resonant network and a rectifier network.Controller sees through the mode of pulse frequency modulated (PFM), alternately switches two MOSFET, and changes operating frequency with load variations, regulation output voltage Vout.LLC resonant network comprises: two resonant inductances (Lr and Lm) and a resonant capacitance (Cr).LLC resonance type power converter has the features such as the voltage stress of zero voltage switch (ZVS), device is low, is highly suitable for the application that requires high efficiency and large power supply.Along with the extensive use of LLC resonance type power converter, the design that is applied to the LLC transformer of LLC resonance type power converter also more and more comes into one's own.Known applications is in the LLC transformer of LLC resonance type power converter; conventionally magnet assembly Lr and Lm can be integrated in a transformer; utilize the leakage inductance (leakage inductance) of transformer as Lr, utilize the magnetic strength (magnetizing inductance) of transformer as Lm, the number of the assembly that can deperm.
Traditional winding transformer all has a fixing iron core, on it, be wound with the coil of elementary (claim not only once) and secondary (but also claiming secondary), the winding mode of coil is normally tie wrapped to same iron core by primary coil and secondary coil with coaxial pass, wherein one is positioned at inner ring another one and is positioned at outer ring, elementary and secondary coil is disconnected from each other and mutual insulating at concerned power, the winding transformer winding the line by this way, between primary coil and secondary coil, there is preferably coupling density, therefore there is less leakage inductance.Generally speaking the magnetic strength amount of LLC (magnetizing inductance amount) is 3 to 7 times of leakage inductance amount (leakage inductance amount), conventionally require leakage inductance value larger, in other words, the LLC transformer that is applied to LLC resonance type power converter should reduce the coupling density of transformer primary and primary side, could obtain larger leakage inductance.
On the other hand, tradition adopts the winding transformer of inside and outside two circle winding modes when running, and the coil that is positioned at inner ring also has the difficult problem of heat radiation.Therefore, design is applied to the LLC transformer of LLC resonance type power converter, need focus on leakage inductance and the magnetic strength of Design of Transformer, and the winding mode of Design of Transformer primary side and primary side.
Summary of the invention
The present invention proposes a kind of limit around coiling transformer and the method for winding thereof of formula, have the convenient leakage inductance of adjusting, excellent in heat dissipation effect, saves space, can reduce copper loss and iron loss, and can improve the effect of electrical and efficiency.
In order to realize above-mentioned effect, limit of the present invention, around a kind of embodiment step of the method for winding of the coiling transformer of formula, comprising:
Prepare a upright left side iron core and a right side iron core arranged side by side;
At least one the first winding of winding is in this left side iron core;
Winding one second winding is in this right side iron core, and this second winding and this first winding are respectively the not coil of homogeneous side; And
One insulating barrier is set between this first winding and this second winding.
One embodiment of method for winding of the present invention, the skin that is also included in the first winding of left side iron core is arranged with one second winding, at the first winding of internal layer be provided with an insulating barrier between outer field the second winding, the second winding that is set around outer field second winding of left side iron core and is set around right side iron core can be the relation of serial or parallel connection each other.
In order to realize above-mentioned effect, limit of the present invention, around a kind of embodiment step of the method for winding of the coiling transformer of formula, comprising:
Prepare a upright left side iron core arranged side by side, middle iron core and a right side iron core;
At least one the first winding of winding is in this centre iron core;
At least one in this left side iron core and this right side iron core of winding one second winding, this second winding and this first winding are respectively the not coil of homogeneous side; And
One insulating barrier is set between this first winding and this second winding.
According to an embodiment of said method of the present invention, wherein left side iron core and right side iron core are arranged with respectively the second winding, and winding can be to be one another in series or relation in parallel at the second winding of left side iron core and right side iron core.
An embodiment according to said method of the present invention, the skin that is also included in this first winding of this centre iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, wherein this left side iron core and this right side iron core are arranged with respectively this second winding, and winding can be to be one another in series or relation in parallel at this second winding of this left side iron core, this centre iron core and this right side iron core.
An embodiment according to said method of the present invention, the skin that is also included in this first winding of this centre iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, wherein this left side iron core and this right side iron core are arranged with respectively this second winding, winding this second winding of this left side iron core and this right side iron core be connected in parallel to each other and then with this second windings in series that is set around this centre iron core.
The limit that the present invention proposes is around a kind of embodiment structure of the coiling transformer of formula, comprise: at least two upright iron cores arranged side by side, and difference winding is at the first winding and second winding of these two upright iron cores arranged side by side, the first winding and the second winding are respectively the not coil of homogeneous side, between the first winding and the second winding, are provided with insulating barrier; By this side setting being arranged with some iron cores of the first winding, be arranged with another iron core of the second winding, form a kind of limit around the coiling transformer of formula, and then realize aforesaid effect.
The limit that the present invention proposes is around a kind of embodiment structure of the coiling transformer of formula, comprise: upright left side iron core and right side iron core arranged side by side, left side iron core is at least arranged with the first winding, right side iron core is arranged with the second winding, the first winding and the second winding are respectively the not coil of homogeneous side, between the first winding and the second winding, be provided with insulating barrier, first, second winding is any of copper cash, Copper Foil or enamelled wire.
The limit proposing according to the present invention is around another embodiment of the coiling transformer of formula, comprise: upright left side iron core and right side iron core arranged side by side, left side iron core is arranged with and is positioned at the first winding of internal layer and is positioned at outer field the second winding, right side iron core is arranged with the second winding, the first winding and the second winding are respectively the not coil of homogeneous side, between the first winding and the second winding, are provided with insulating barrier.
The limit proposing according to the present invention is around another embodiment of the coiling transformer of formula, comprise: three upright left side iron cores arranged side by side, middle iron core and right side iron cores, middle iron core is at least arranged with the first winding, at least one in left side iron core and right side iron core is arranged with the second winding, the first winding and the second winding are respectively the not coil of homogeneous side, between the first winding and the second winding, are provided with insulating barrier.
The limit proposing according to the present invention is around another embodiment of the coiling transformer of formula, comprise: three upright left side iron cores arranged side by side, middle iron core and right side iron cores, middle iron core is arranged with and is positioned at the first winding of internal layer and is positioned at outer field the second winding, at least one in left side iron core and right side iron core is arranged with the second winding, the first winding and the second winding are respectively the not coil of homogeneous side, between the first winding and the second winding, are provided with insulating barrier.
The limit proposing according to the present invention is around a kind of embodiment of the coiling transformer of formula, and wherein left side iron core and right side iron core are arranged with respectively the second winding, and winding can be to be one another in series or relation in parallel at the second winding of left side iron core and right side iron core.
The limit proposing according to the present invention is around a kind of embodiment of the coiling transformer of formula, and wherein left side iron core and right side iron core are arranged with respectively the second winding, and winding is one another in series at the second winding of left side iron core, right side iron core and middle iron core.
The limit proposing according to the present invention is around a kind of embodiment of the coiling transformer of formula, wherein left side iron core and right side iron core is arranged with respectively the second winding, winding the second winding of left side iron core and right side iron core be connected in parallel to each other and then and be set around in the middle of the second windings in series of iron core.
The content of comprehensive aforementioned invention can be understood, limit of the present invention is around the coiling transformer of formula, see through the means at least two upright iron cores arranged side by side difference winding the first windings and the second winding, form a kind of limit around the essential structure of the coiling transformer of formula, other embodiment that this essential structure of take is basis changes, by three upright iron cores arranged side by side, and some iron core winding single layer coils or the variation of double-layer coil therein, and then complete a kind of limit around the coiling transformer of formula, and can obtain following effect.
1. use limit around the structure of formula, can reduce iron loss and copper loss, improve electrically and efficiency.
2. use limit around the structure of formula, same coil holder and magnetic core are larger than common coiling transformer efficiency.
3. use limit around the structure of formula, winding has larger airflow clearance between the coil of adjacent iron core upright arranged side by side, can improve the radiating effect of transformer, reduces the wastage, and improves the utilance of transformer.
4. use limit around the structure of formula, can adjust the airflow clearance between any two adjacent iron cores upright arranged side by side, and there is the convenient effect of adjusting leakage inductance.
5. use limit around the structure of formula, inductance and leakage inductance can be integrated in one, be applied to more to save the space that circuit takies in LLC transformer.
The detailed content of relevant other effect of the present invention and embodiment, is described as follows cooperation is graphic.
Accompanying drawing explanation
Fig. 1 is that limit of the present invention is around an embodiment step of the method for winding of the coiling transformer of formula.
Fig. 2 is one embodiment of the invention, shows the organigram of two upright left side iron cores arranged side by side, right side iron core, the first winding and the second windings.
Fig. 3 is one embodiment of the invention, shows the organigram of two upright left side iron cores arranged side by side, right side iron core, the first winding and the second windings, and wherein the internal layer of left side iron core is that the first winding skin is the second winding.
Fig. 4 is that limit of the present invention is around another embodiment step of the method for winding of the coiling transformer of formula.
Fig. 5 is one embodiment of the invention, shows the organigram of three upright left side iron cores arranged side by side, middle iron core, right side iron core, the first winding and the second windings.
Fig. 6 is one embodiment of the invention, shows the organigram of three upright left side iron cores arranged side by side, middle iron core, right side iron core, the first winding and the second windings, and the internal layer of middle iron core is that the first winding skin is the second winding.
Fig. 7 A～Fig. 7 B, is one embodiment of the invention, is presented in the embodiment with three upright iron cores arranged side by side, and winding is at a kind of equivalent circuit diagram of the second winding of left side iron core and right side iron core respectively.
Fig. 7 C～Fig. 7 D, is one embodiment of the invention, is presented in the embodiment with three upright iron cores arranged side by side, and winding is at a kind of equivalent circuit diagram of the second winding of left side iron core, middle iron core and right side iron core respectively.
Fig. 8 is a kind of embodiment structure of the present invention, shows for forming element shapes and the syntagmatic thereof of three upright iron cores arranged side by side.
Fig. 9 is the constitutional diagram of the embodiment structure of Fig. 8, shows the structure having combined for forming the assembly of three upright iron cores arranged side by side.
Figure 10 is a kind of embodiment structure of the present invention, shows that the iron core of Fig. 8 completes the outside drawing of encapsulation after winding coil.Primary clustering symbol description
Drum stand in the middle of iron core 40C in the middle of 10C
10R right side iron core 41 eaves faces
20 insulating barrier 42 wiring stitch
30A E shaped iron core C1 the first winding
30B E shaped iron core C2 the second winding
40L left side drum stand
Embodiment
Limit of the present invention, around a kind of embodiment step of the method for winding of the coiling transformer of formula, as shown in Figure 1, comprising:
Prepare a upright left side iron core and a right side iron core arranged side by side;
At least one the first winding of winding is in this left side iron core;
Winding one second winding is in this right side iron core, and this second winding and this first winding are respectively the not coil of homogeneous side; And
One insulating barrier is set between this first winding and this second winding.
Embodiment according to said method, the limit that the present invention proposes is around a kind of embodiment structure of the coiling transformer of formula, as shown in Figure 2, comprise: upright left side iron core 10L and right side iron core 10R arranged side by side, left side iron core 10L is at least arranged with the first winding C1, right side iron core 10R is arranged with the second winding C2, and the first winding C1 and the second winding C2 are respectively the not coil of homogeneous side (primary side or secondary side), between the first winding C1 and the second winding C2, are provided with insulating barrier 20.
One embodiment of method for winding of the present invention, the skin that is also included in the first winding C1 of left side iron core 10L is arranged with one second winding C2, at the first winding C1 of internal layer be provided with an insulating barrier 20 between outer field the second winding C2, the second winding C2 that is set around outer field the second winding C2 of left side iron core 10L and is set around right side iron core 10R can be the relation of serial or parallel connection each other.
Embodiment according to said method, limit of the present invention is around another embodiment structure of the coiling transformer of formula, as shown in Figure 3, comprise: upright left side iron core 10L and right side iron core 10R arranged side by side, left side iron core 10L is arranged with and is positioned at the first winding C1 of internal layer and is positioned at outer field the second winding C2, right side iron core 10R is arranged with the second winding C2, the first winding C1 and the second winding C2 are respectively the not coil of homogeneous side (primary side or secondary side), between the first winding C1 and the second winding C2, be provided with insulating barrier 20, in other words, if the first winding C1 is the first siding ring of coiling transformer, the second winding C2 is exactly the second siding ring of coiling transformer, vice versa.
Limit of the present invention is around the another kind of embodiment step of the method for winding of the coiling transformer of formula, as Fig. 4 comprises:
Prepare a upright left side iron core arranged side by side, middle iron core and a right side iron core;
At least one the first winding of winding is in this centre iron core;
At least one in this left side iron core and this right side iron core of winding one second winding, this second winding and this first winding are respectively the not coil of homogeneous side; And
One insulating barrier is set between this first winding and this second winding.
According to an embodiment of said method of the present invention, wherein left side iron core and right side iron core are arranged with respectively the second winding, and winding can be to be one another in series or relation in parallel at the second winding of left side iron core and right side iron core.
An embodiment according to said method of the present invention, the skin that is also included in this first winding of this centre iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, wherein this left side iron core and this right side iron core are arranged with respectively this second winding, and winding can be to be one another in series or relation in parallel at this second winding of this left side iron core, this centre iron core and this right side iron core.
An embodiment according to said method of the present invention, the skin that is also included in this first winding of this centre iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, wherein this left side iron core and this right side iron core are arranged with respectively this second winding, winding this second winding of this left side iron core and this right side iron core be connected in parallel to each other and then with this second windings in series that is set around this centre iron core.
Embodiment according to said method, the limit that the present invention proposes is around another embodiment structure of the coiling transformer of formula, as shown in Figure 5, comprise: three upright left side iron core 10L arranged side by side, middle iron core 10C and right side iron core 10R, middle iron core 10C is at least arranged with the first winding C1, at least one in left side iron core 10L and right side iron core 10R is arranged with the second winding C2, in other words, a kind of embodiment is wherein only at left side iron core 10L winding the second winding C2, another kind of embodiment is only at right side iron core 10R winding the second winding C2, at another kind of embodiment, be to be all arranged with the second winding (see figure 5) at left side iron core 10L and right side iron core 10R, the first winding C1 and the second winding C2 are respectively the not coil of homogeneous side (primary side or secondary side), between the first winding C1 and the second winding C2, be provided with insulating barrier 20, this the first winding C1 or the second winding C2 can select copper cash, any of Copper Foil or enamelled wire.
The limit proposing according to the present invention is around another embodiment of the coiling transformer of formula, as shown in Figure 6, comprise: three upright left side iron core 10L arranged side by side, middle iron core 10C and right side iron core 10R, middle iron core 10C is arranged with and is positioned at the first winding C1 of internal layer and is positioned at outer field the second winding C2, at least one in left side iron core 10L and right side iron core 10R is arranged with the second winding C2, in other words, a kind of embodiment is wherein only at left side iron core 10L winding the second winding C2, another kind of embodiment is only at right side iron core 10R winding the second winding C2, at another kind of embodiment, be to be all arranged with the second winding (see figure 6) at left side iron core 10L and right side iron core 10R, the first winding C1 and the second winding C2 are respectively the not coil of homogeneous side, between the first winding C1 and the second winding C2, be provided with insulating barrier 20, meaning is, if the first winding C1 is the first siding ring of coiling transformer, the second winding C2 is exactly the second siding ring of coiling transformer, vice versa.
Aforesaid the first winding C1 and the second winding C2 can select wherein any of copper cash, Copper Foil or enamelled wire; The first winding C1 and the second winding C2 are respectively the not coil of homogeneous side, in other words, if the first winding C1 is the first siding ring of coiling transformer, the second winding C2 is exactly the second siding ring of coiling transformer, substantially, the number of turn of the first winding C1 and the second winding C2 can look the specification of transformer and power output determines, and arbitrary coil is also not limited to individual layer in the number of plies of arbitrary iron core winding, according to the specification of transformer, can be individual layer or the structure of multilayer.
Aforementioned insulating barrier 20 between the first winding C1 and the second winding C2, can be insulating tape or the insulation assembly made from other insulating material, also can coordinate hereinafter embodiment to be described in detail.
The limit that the present invention proposes can be integrated in one inductance and leakage inductance around the coiling transformer of formula, be applied to save the space that circuit takies in LLC transformer, on the other hand, the limit that the present invention proposes has in the embodiment of three upright left side iron core 10L arranged side by side, middle iron core 10C and right side iron core 10R around the coiling transformer of formula, the second winding C2 wherein can also coordinate LLC transformer application in the circuit design of LLC resonance type power converter, adopt series connection or electric connection mode in parallel, different execution modes are described as follows.
In thering is the embodiment of three upright left side iron core 10L arranged side by side, middle iron core 10C and right side iron core 10R, wherein a kind of mode that is electrically connected of the second winding C2 is as shown in the equivalent circuit diagram of Fig. 7 A, and wherein winding is one another in series at the second winding C2 of left side iron core 10L and right side iron core 10R; The embodiment of another kind of electric connection mode is as shown in the equivalent circuit diagram of Fig. 7 B, and wherein winding is connected in parallel to each other at the second winding C2 of left side iron core 10L and right side iron core 10R.
In thering is the embodiment of three upright left side iron core 10L arranged side by side, middle iron core 10C and right side iron core 10R, when middle iron core 10C is arranged with, is positioned at the first winding C1 of internal layer and is positioned at outer field the second winding C2, wherein a kind of mode that is electrically connected of the second winding C2 is as shown in the equivalent circuit diagram of Fig. 7 C, and winding is one another in series at the second winding C2 of left side iron core 10L, right side iron core 10R and middle iron core 10C; The embodiment of another kind of electric connection mode is as shown in the equivalent circuit diagram of Fig. 7 D, and wherein winding is connected in parallel to each other and then connects with the second winding C2 that is set around middle iron core 10C at the second winding C2 of left side iron core 10L and right side iron core 10R.
According to aforementioned limit of the present invention, around the coiling transformer of formula, the embodiment wherein with three upright left side iron core 10L arranged side by side, middle iron core 10C and right side iron core 10R of take is example, below will coordinate a kind of concrete structure embodiment of graphic exposure to be described as follows.
A kind of limit as shown in Figure 8, around the coiling transformer of formula, comprising:
E shaped iron core 30A and the 30B of two docking, the material of iron core can be selected the manufacture of oxygen iron material, two the E shaped iron core 30A and the 30B that see through docking form a kind of structure with three upright left side iron core 10L arranged side by side, middle iron core 10C and right side iron core 10R, but not with this E shaped iron core, be limited, for example I type, T-shaped or U-shaped iron core also can be used for other.
One bobbin winder base, assembly for plastic shaping, can be used as aforesaid insulator 20, bobbin winder base comprises: left side drum stand 40L, middle drum stand 40C and right side drum stand 40R, left side drum stand 40L, middle drum stand 40C and right side drum stand 40R are a kind of assemblies of cast, can be enclosed within respectively aforementioned left side iron core 10L, the periphery of middle iron core 10C and right side iron core 10R, and then can form limit around the main framework (see figure 9) of the coiling transformer of formula with E shaped iron core 30A and 30B, left side drum stand 40L wherein, middle drum stand 40C and right side drum stand 40R definable one winding space, can supply aforesaid the first winding C1 and the second winding C2 winding, the both sides, top of middle drum stand 40C have extended an eaves face 41, can prevent that the first winding C1 and/or the second winding C2 from deviating from, in the both sides, bottom of middle drum stand 40C, be provided with several wiring stitch 42, in addition between the first winding C1 and the second winding C2, can also be provided with insulating barrier 20(and can adopt insulating tape), last in limit, the periphery coated layer absolutely 20(around the coiling transformer of formula can adopt insulating tape again), can become a kind of structure as shown in figure 10.
Although the present invention has seen through the above embodiments and has disclosed as above; so it is not in order to limit the present invention; anyly have the knack of alike skill person; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore scope of patent protection of the present invention must be as the criterion depending on the appended claims person of defining of this specification.
Claims (22)
1. limit, around a method for winding for the coiling transformer of formula, is characterized in that, comprising:
Prepare a upright left side iron core and a right side iron core arranged side by side;
At least one the first winding of winding is in this left side iron core;
Winding one second winding is in this right side iron core, and this second winding and this first winding are respectively the not coil of homogeneous side; And
One insulating barrier is set between this first winding and this second winding.
2. limit as claimed in claim 1 is around the method for winding of the coiling transformer of formula, it is characterized in that: the skin that is also included in this first winding of this left side iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, this second winding that is set around outer field this second winding of this left side iron core and is set around this right side iron core is one another in series.
3. limit as claimed in claim 1 is around the method for winding of the coiling transformer of formula, it is characterized in that: the skin that is also included in this first winding of this left side iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, this second winding that is set around outer field this second winding of this left side iron core and is set around this right side iron core is connected in parallel to each other.
4. limit as claimed in claim 1, around the method for winding of the coiling transformer of formula, is characterized in that: this left side iron core and this right side iron core can be any in E type, I type, T-shaped and U-shaped iron core.
5. limit as claimed in claim 1, around the method for winding of the coiling transformer of formula, is characterized in that: this first winding or the second winding are any of copper cash, Copper Foil or enamelled wire.
6. limit, around a method for winding for the coiling transformer of formula, is characterized in that, comprising:
Prepare a upright left side iron core arranged side by side, middle iron core and a right side iron core;
At least one the first winding of winding is in this centre iron core;
At least one in this left side iron core and this right side iron core of winding one second winding, this second winding and this first winding are respectively the not coil of homogeneous side; And
One insulating barrier is set between this first winding and this second winding.
7. limit as claimed in claim 6, around the method for winding of the coiling transformer of formula, is characterized in that: this left side iron core and this right side iron core are arranged with respectively this second winding, and winding is one another in series at this second winding of this left side iron core and this right side iron core.
8. limit as claimed in claim 6, around the method for winding of the coiling transformer of formula, is characterized in that: this left side iron core and this right side iron core are arranged with respectively this second winding, and winding is connected in parallel to each other at this second winding of this left side iron core and this right side iron core.
9. limit as claimed in claim 6 is around the method for winding of the coiling transformer of formula, it is characterized in that: the skin that is also included in this first winding of this centre iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, wherein this left side iron core and this right side iron core are arranged with respectively this second winding, and winding is one another in series at this second winding of this left side iron core, this centre iron core and this right side iron core.
10. limit as claimed in claim 6 is around the method for winding of the coiling transformer of formula, it is characterized in that: the skin that is also included in this first winding of this centre iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, wherein this left side iron core and this right side iron core are arranged with respectively this second winding, and winding is connected in parallel to each other at this second winding of this left side iron core, this centre iron core and this right side iron core.
11. limits as claimed in claim 6 are around the method for winding of the coiling transformer of formula, it is characterized in that: the skin that is also included in this first winding of this centre iron core is arranged with one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding, wherein this left side iron core and this right side iron core are arranged with respectively this second winding, winding this second winding of this left side iron core and this right side iron core be connected in parallel to each other and then with this second windings in series that is set around this centre iron core.
12. 1 kinds of limits are around the coiling transformer of formula, comprise: at least two upright iron cores arranged side by side, and difference winding is at one first winding and one second winding of these two upright iron cores arranged side by side, this first winding and this second winding are respectively the not coil of homogeneous side, between this first winding and this second winding, are provided with an insulating barrier.
13. limits as claimed in claim 12 are around the coiling transformer of formula, it is characterized in that: certain one in two upright these iron cores arranged side by side is arranged with and is positioned at this first winding of internal layer and is positioned at outer field this second winding, another this iron core is arranged with this second winding, and this first winding and this second winding are respectively the not coil of homogeneous side.
14. limits as claimed in claim 12 are around the coiling transformer of formula, it is characterized in that: upright this iron core arranged side by side has three, comprise: iron core and a right side iron core in the middle of a left side iron core,, this centre iron core is at least arranged with this first winding, and at least one in this left side iron core and this right side iron core is arranged with this second winding.
15. limits as claimed in claim 13, around the coiling transformer of formula, is characterized in that: this left side iron core and this right side iron core are arranged with respectively this second winding, and winding is one another in series at this second winding of this left side iron core and this right side iron core.
16. limits as claimed in claim 14, around the coiling transformer of formula, is characterized in that: this left side iron core and this right side iron core are arranged with respectively this second winding, and winding is connected in parallel to each other at this second winding of this left side iron core and this right side iron core.
17. limits as claimed in claim 14 are around the coiling transformer of formula, it is characterized in that: this left side iron core and this right side iron core are arranged with respectively this second winding, this centre iron core is arranged with and is positioned at this first winding of internal layer and is positioned at outer field one second winding, at this first winding of internal layer be provided with an insulating barrier between outer field this second winding.
18. limits as claimed in claim 17, around the coiling transformer of formula, is characterized in that: winding is one another in series at this second winding of this left side iron core, this right side iron core and this centre iron core.
19. limits as claimed in claim 17, around the coiling transformer of formula, is characterized in that: winding is connected in parallel to each other and then and is set around this second windings in series of this centre iron core at this second winding of this left side iron core and this right side iron core.
20. limits as claimed in claim 12, around the coiling transformer of formula, is characterized in that: those iron cores can be any in E type, I type, T-shaped and U-shaped iron core.
21. limits as claimed in claim 12, around the coiling transformer of formula, is characterized in that: this insulating barrier can be insulating tape or the insulation assembly made from other insulating material.
22. limits as claimed in claim 12, around the coiling transformer of formula, is characterized in that: this first winding or the second winding are any of copper cash, Copper Foil or enamelled wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210323625.2A CN103680867A (en) | 2012-09-04 | 2012-09-04 | Side-winding type winding transformer and winding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210323625.2A CN103680867A (en) | 2012-09-04 | 2012-09-04 | Side-winding type winding transformer and winding method thereof |
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| CN103680867A true CN103680867A (en) | 2014-03-26 |
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| CN201210323625.2A Pending CN103680867A (en) | 2012-09-04 | 2012-09-04 | Side-winding type winding transformer and winding method thereof |
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| CN106373750A (en) * | 2016-11-08 | 2017-02-01 | 何超明 | Transformer skeleton |
| CN111540587A (en) * | 2019-02-06 | 2020-08-14 | Tdk株式会社 | Coil device |
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Application publication date: 20140326 |