CN109473261A - A kind of magnetic integration apparatus of flat surface transformer, inductance - Google Patents
A kind of magnetic integration apparatus of flat surface transformer, inductance Download PDFInfo
- Publication number
- CN109473261A CN109473261A CN201811272930.7A CN201811272930A CN109473261A CN 109473261 A CN109473261 A CN 109473261A CN 201811272930 A CN201811272930 A CN 201811272930A CN 109473261 A CN109473261 A CN 109473261A
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- Prior art keywords
- winding
- circuit
- inductance
- plane
- magnetic
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The present invention relates to a kind of flat surface transformers, the magnetic integration apparatus of inductance, it include: magnetic core, opposed circuit board winding there are two being set on the magnetic core, two circuit board windings and discrete winding are coupled by magnetic core, two pieces of circuit boards adhere to primary circuit and secondary circuit separately, the two mutual insulating, only magnetic coupling, circuit board electrical connection switching tube group.
Description
Technical field
The present invention relates to a kind of flat surface transformers, the magnetic integration apparatus of inductance.
Background technique
Existing Vehicular charger and Vehicular direct-current converter are all made of the mode of LLC and phase-shifting full-bridge, no matter LLC and shifting
Phase full-bridge, is both needed to using a transformer, a magnetizing inductance and a resonant inductance, there are also some technologies inductance and
The integrated scheme of transformer, but magnetic circuit is complicated, and volume is larger.
In view of above-mentioned defect, the designer is actively subject to research and innovation, to found a kind of flat surface transformer, inductance
Magnetic integration apparatus makes it with more the utility value in industry.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide one kind be integrated with flat surface transformer and planar inductor in
One greatly simplifies the integrated volume of magnetic, has many advantages, such as that inductance value is stablized, the degree of coupling is easy to control, and takes into account assembling
Technique and the flat surface transformer of heat dissipation, inductance device.
The magnetic integration apparatus of flat surface transformer of the present invention, inductance, comprising: magnetic core sets that there are two opposed on the magnetic core
First circuit board (1), second circuit board (2), are laid with the first plane winding (4) on the first circuit board (1), and described second
The second plane winding (5) is laid on circuit board (1), be also laid on the magnetic core separate type winding (6) or third plane around
Group, the first plane winding, the second plane winding and discrete winding respectively constitute transformer and magnetizing inductance (according to practical field
Scape can be the primary and secondary circuit that one of plane winding constitutes transformer with discrete winding, another plane formula winding
It constitutes magnetizing inductance or resonant inductance is also possible to two plane windings and constitutes transformer, discrete winding constitutes magnetizing inductance
Or resonant inductance), two windings for constituting transformer adhere to primary circuit and secondary circuit, the two mutual insulating, only magnetic separately
Coupling；Meanwhile the switching tube group of primary circuit and primary circuit winding constitute primary circuit.
Second plane winding (5) is P1 winding in Fig. 2, his both ends are opened by capacitor C2 and inductance L1 and primary circuit
It closes pipe group (Q1~Q4) to be connected, constitutes primary circuit, discrete winding (6) is resonant inductance L1 in Fig. 2, the first plane winding
It (4) is S1+S2 winding in Fig. 2, the two windings constitute secondary circuit, primary circuit and secondary circuit mutually insulated, only pass through
Magnetism does magnetic coupling.Or: P1 winding of the discrete winding (6) as primary circuit passes through resonant inductance L1 and resonant capacitance
C2 is connected with switching tube group (Q1~Q4) constitutes primary circuit, and the second plane winding (5) constitutes resonant inductance L1, the first plane
Winding (4) constitutes the circuit S1+S2 in Fig. 2, likewise, mutually insulated between primary circuit and secondary circuit, only passes through magnetic core
Magnetic coupling carrys out work；Q5 and Q6 is the switching tube group of secondary circuit, is arranged on first circuit board (1).
Further, magnetic core and switching tube group are radiated by heat dissipation base, and switching tube and magnetic core are arranged at heat dissipation base
On.
According to the above aspect of the present invention, the magnetic integration apparatus of flat surface transformer of the present invention, inductance has at least the following advantages:
1, small product size is reduced, is superimposed by two pieces of circuit boards, product ruler is reduced in the case where not increasing product height
It is very little
2, close to heat dissipation base, thermal resistance is small for good heat dissipation effect, switching tube and magnetic core
3, product is reliable and stable, and product good heat dissipation effect, temperature rise is small, therefore reliable and stable
4, product safety insulate, and product primary circuit and secondary circuit are effectively isolated insulation, and safety is good.
5, price is reduced, magnetic is integrated to form a product for transformer and inductance, saves an inductance, therefore can reduce
Cost
6, the degree of coupling is easy to adjust, the parameter stability of inductance and transformer, and sensibility reciprocal is because of winding position when effectively solution magnetic is integrated
The case where setting variation and changing, therefore product is reliable and stable.
7, high-efficient, product thermal resistance is small, and component temperature can easily control the temperature range in efficient operation, efficiency
It is high.
8, be conducive to improve Electro Magnetic Compatibility, by magnetic-coupled mode, the switching tube group for having cut off primary circuit is produced
The conducting path of raw switch noise, to be conducive to improve Electro Magnetic Compatibility.
9, it is easily achieved modularization, many power supply topologies have this circuit unit, in this way can be real
Existing modularization.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 be flat surface transformer of the present invention, inductance magnetic integration apparatus structural schematic diagram；
Fig. 2 is the schematic diagram of Fig. 1；
Fig. 3 is other deformation patterns of Fig. 2；
Fig. 4 is other deformation patterns of Fig. 2.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Fig. 1 to 2, one preferred embodiment of magnetic integration apparatus of example flat surface transformer, inductance of the present invention, packet
Include: magnetic core is set on the magnetic core there are two opposed first circuit board 1, second circuit board 2, is laid on the first circuit board 1
There is the first plane winding 4, the second plane winding 5 is laid on the second circuit board 1, is also laid with separate type on the magnetic core
Winding 6 or third plane winding, the first plane winding, the second plane winding and discrete winding respectively constitute transformer and encourage
Magnetoelectricity sense can be the primary and secondary circuit that one of plane winding constitutes transformer with discrete winding according to practical scene,
Another plane formula winding constitutes magnetizing inductance or resonant inductance is also possible to two plane windings and constitutes transformer, discrete
Winding constitutes magnetizing inductance or resonant inductance, two windings for constituting transformer adhere to primary circuit and secondary circuit, the two separately
Mutual insulating, only magnetic coupling；Meanwhile the switching tube group of primary circuit and primary circuit winding constitute primary circuit.
Second plane winding 5 is P1 winding in Fig. 2, his both ends pass through the switch of capacitor C2 and inductance L1 and primary circuit
Pipe group Q1~Q4 is connected, and constitutes primary circuit, and discrete winding 6 is resonant inductance L1 in Fig. 2, and the first plane winding 4 is Fig. 2
Middle S1+S2 winding, the two windings constitute secondary circuit, primary circuit and secondary circuit mutually insulated, only do magnetic by magnetism
Coupling.Or:
P1 winding of the discrete winding 6 as primary circuit, passes through resonant inductance L1 and resonant capacitance C2 and switching tube group
Q1~Q4, which is connected, constitutes primary circuit, and the second plane winding 5 constitutes resonant inductance L1, and the first plane winding 4 constitutes S1+ in Fig. 2
The circuit S2, likewise, mutually insulated between primary circuit and secondary circuit, only by the magnetic coupling of magnetic core come work；Q5 and Q6
For the switching tube group of secondary circuit, it is arranged on first circuit board 1.
The present embodiment, magnetic core and switching tube are radiated by heat dissipation base 9, and switching tube and magnetic core are close to heat dissipation base.This
Sample substantially reduces the heat dissipation path of major power device, reduces thermal resistance.Two circuit board windings and discrete winding pass through
Magnetic core is coupled, and can not need to connect by additional connector between two pieces of circuit boards.It is, in principle, that two blocks of electricity
Road plate is contacted by magnetic coupling, so that it may and it realizes the conversion of electric power, but in some cases, such as needs the electric current to output, electricity
Pressure is monitored, and at this moment just needs to realize electrical connection additionally by connector.
The advantages that present invention has small product size small, good heat dissipation, product is reliable.
In Fig. 2, dotted portion be the invention patent relates to component and construction.
Q1~Q4 is for switching tube group mentioned above
P1 is the 5th in Fig. 1, i.e. plane winding #1
S1 and S2 is the 4th in Fig. 1, i.e. plane winding #2
L1 is the 6th in Fig. 1, i.e. separate type winding.
Certainly, specifically design without being limited thereto, for example, it is also possible to which L1 is plane winding #1, P1 is discrete winding etc..Such as figure
3, shown in 4.
Such as in Fig. 3, discrete winding can be used as magnetizing inductance L1/L2, can also be used as resonant inductance L3/L4L4
It is not drawn into figure.Likewise, being also possible to P1 of the discrete winding as primary circuit, the second plane winding (5) is used as excitation
Inductance L1/L2 or the second plane winding (5), which are used as in resonant inductance L3/L4L4 figure, to be not drawn into.In short, 3 windings are integrated
To above a magnetic core, the role of each winding can be according to actually involving a need to be adjusted flexibly.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (2)
1. the magnetic integration apparatus of a kind of flat surface transformer, inductance characterized by comprising magnetic core, set on the magnetic core there are two
Opposed first circuit board (1), second circuit board (2) are laid with the first plane winding (4), institute on the first circuit board (1)
It states and is laid with the second plane winding (5) on second circuit board (1), be also laid with separate type winding (6) or third on the magnetic core
Plane winding, the first plane winding, the second plane winding and discrete winding respectively constitute transformer and magnetizing inductance (according to
Practical scene can be the primary and secondary circuit that one of plane winding constitutes transformer with discrete winding, another plane
Formula winding constitutes magnetizing inductance or resonant inductance is also possible to two plane windings and constitutes transformer, and discrete winding composition is encouraged
Magnetoelectricity sense or resonant inductance), two windings for constituting transformer adhere to primary circuit and secondary circuit separately, the two mutual insulating,
Only magnetic coupling；Meanwhile the switching tube group of primary circuit and primary circuit winding constitute primary circuit；
Second plane winding (5) is P1 winding in Fig. 2, his both ends pass through the switching tube of capacitor C2 and inductance L1 and primary circuit
Group (Q1~Q4) is connected, and constitutes primary circuit, and discrete winding (6) is resonant inductance L1 in Fig. 2, and the first plane winding (4) is
S1+S2 winding in Fig. 2, the two windings constitute secondary circuit, primary circuit and secondary circuit mutually insulated, are only done by magnetism
Magnetic coupling；Or:
P1 winding of the discrete winding (6) as primary circuit, passes through resonant inductance L1 and resonant capacitance C2 and switching tube group (Q1
~Q4) being connected constitutes primary circuit, and the second plane winding (5) constitutes resonant inductance L1, and the first plane winding (4) is constituted in Fig. 2
The circuit S1+S2, likewise, mutually insulated between primary circuit and secondary circuit, only by the magnetic coupling of magnetic core come work；Q5 and
Q6 is the switching tube group of secondary circuit, is arranged on first circuit board (1).
2. the magnetic integration apparatus of flat surface transformer according to claim 1, inductance, which is characterized in that magnetic core and switching tube
Group is radiated by heat dissipation base, and switching tube and magnetic core are arranged on heat dissipation base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272930.7A CN109473261B (en) | 2018-10-30 | 2018-10-30 | Magnetic integration device of planar transformer and inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272930.7A CN109473261B (en) | 2018-10-30 | 2018-10-30 | Magnetic integration device of planar transformer and inductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109473261A true CN109473261A (en) | 2019-03-15 |
| CN109473261B CN109473261B (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811272930.7A Active CN109473261B (en) | 2018-10-30 | 2018-10-30 | Magnetic integration device of planar transformer and inductor |
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| Country | Link |
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| CN (1) | CN109473261B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233680A (en) * | 2018-01-30 | 2018-06-29 | 湘潭大学 | A kind of passive element integrating device applied to CLCL controlled resonant converters |
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2018
- 2018-10-30 CN CN201811272930.7A patent/CN109473261B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233680A (en) * | 2018-01-30 | 2018-06-29 | 湘潭大学 | A kind of passive element integrating device applied to CLCL controlled resonant converters |
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| Publication number | Publication date |
|---|---|
| CN109473261B (en) | 2022-02-08 |
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