CN103872927B - High frequency Transformer Rectifier integrated apparatus - Google Patents
High frequency Transformer Rectifier integrated apparatus Download PDFInfo
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- CN103872927B CN103872927B CN201410130382.XA CN201410130382A CN103872927B CN 103872927 B CN103872927 B CN 103872927B CN 201410130382 A CN201410130382 A CN 201410130382A CN 103872927 B CN103872927 B CN 103872927B
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Abstract
The invention discloses a kind of high frequency Transformer Rectifier integrated apparatus, commutation diode is series in high frequency transformer secondary coil by this device, change each device in the past independent, the mode connected with copper bar or electric wire between device, design cleverly makes commutation diode achieve with high frequency transformer to be connected without cable or copper bar so that high frequency transformer and commutation diode become an organic close-connected entirety；Its diode is connected directly between on the upper lower casing of secondary coil assemblies, diode can be cooled down by upper lower casing, it is to avoid the heat dissipation design of diode；The present invention makes 4 output electrodes of former scheme transformer bottom change into 2 output electrodes simultaneously, simplifies the structure of transformer bottom, and compared with traditional structure, volume has and reduces significantly.
Description
Technical field
The present invention relates to a kind of voltage transforming rectifier, particularly a kind of high frequency Transformer Rectifier integrated apparatus.
Background technology
The high frequency transformer of high-frequency inversion DC source and rectification circuit are one of key factors determining power source performance,
Traditional high-frequency inversion rectification circuit uses the frame mode that each several part device is separate, IGBT assembly, high frequency transformation
Device, output rectification circuit, drive circuit etc. are separate, are attached by wire or copper bar, big electric current device between device
Connection between part, owing to the specification of wire or copper bar is big so that it is complex circuit, loss produce greatly and easily to peripheral circuits
Electromagnetic interference, reduces and uses wire or copper bar, can reduce product cost, enhance product performance.
At present, high-frequency inversion DC source medium/high frequency transformer and commutation diode relatively independent (its circuit diagram and knot
Composition is such as: Fig. 1, Fig. 2), usual secondary coil profile is square or rectangular structure, and high frequency transformer secondary is defeated
Go out 4 electrodes and be all located at transformer bottom, 2 different name termination electrodes of transformer secondary output are connected high-frequency rectification diode respectively
The positive pole of D1, D2, another 2 the different name termination electrodes of transformer secondary output export as power cathode after being connected, due to output electricity
Stream is big, connects copper bar sectional area big, and this type of attachment structure has following drawback: 1, transformer bottom leakage field is relatively big, becomes
High-frequency induction heating effect can be produced bottom depressor；2, the circuit being in near-bottom is caused electromagnetism to do by high-frequency magnetic leakage
Disturbing, power supply stability and reliability reduce；3, the leakage inductance that stray transformer flux produces causes the IGBT being in transformator front end
Producing too high peak voltage during inverter switching device, IGBT device will be constituted a threat to by this peak voltage；4, owing to becoming
Bottom depressor, output electrode connection cross section is less, and output electric current is relatively big, and existing structure uses screw to be fastenedly connected, and makes
Becoming the junction big heating of resistance loss serious, power supply reliability reduces；5,4 electrodes drawn by polycrystalline substance, and wherein 2
Individual electrode short circuit exports as power supply negative output, and another 2 electrodes are connected respectively to commutation diode and go as positive output, electricity
The multi-link complexity of number of poles, diode generally uses copper bar to be connected with transformator, causes that inverter volume is big, assembling is multiple
The shortcomings such as miscellaneous, difficult in maintenance, reliability reduction.
Summary of the invention
The technical problem to be solved is, it is provided that a kind of compact conformation, is lost little, stable electrical properties
High frequency Transformer Rectifier integrated apparatus.
To achieve these goals, the technical solution used in the present invention is:
A kind of high frequency Transformer Rectifier integrated apparatus, including toroidal core, primary coil, connection stem stem, for the first time
Level coil block, second subprime coil block, described primary coil is wound on toroidal core, and described connection stem stem is vertical
Being positioned at toroidal core center, described connection stem stem includes two distortions semicolumns of 180 degree, described two halves cylinder twist,
And mutually insulated, described two halves cylinder includes the first semicolumn (31) and the second semicolumn (32), described first level
Coil block includes the first upper casing, the first lower casing and the first diode being connected between the first upper casing and the first lower casing,
Being provided with the first output connecting hole on described first upper casing and the first lower casing, described second subprime coil block includes on second
Shell, the second lower casing and the second diode being connected between the second upper casing and the second lower casing, described second diode is compared
The first diode in first coil assembly is anti-phase, described second upper casing and the second lower casing is provided with the second output and connects
Hole, the upper end of described first semicolumn connects the first upper casing of first coil assembly, and lower end connects the of the second coil block
Two lower casings, the upper end of described second semicolumn connects the second upper casing of the second coil block, and lower end connects first coil assembly
The first lower casing.
As the preferred version of the present invention, in described first secondary coil assemblies and second subprime coil block, first
Upper casing, the first lower casing, the second upper casing and the second lower casing are made up of aluminium.
As the preferred version of the present invention, in described first secondary coil assemblies and second subprime coil block, first
It is provided with water-cooling channel on upper casing, the first lower casing, the second upper casing and the second lower casing.
As the preferred version of the present invention, described first secondary coil assemblies and second subprime coil block to connect core
Post center is rotationally symmetrical.
As the preferred version of the present invention, in described first secondary coil assemblies and second subprime coil block, first
Diode and the second diode are positioned on assembly side.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, commutation diode is series in high frequency transformer secondary coil by the present invention, changes each device in the past only
Mode that is vertical, that connect with copper bar or electric wire between device, design cleverly makes commutation diode achieve with high frequency transformer
Connect without cable or copper bar so that high frequency transformer and commutation diode become an organic close-connected entirety；They are two years old
Pole pipe is connected directly between on the upper lower casing of secondary coil assemblies, diode can be cooled down by upper lower casing, it is to avoid dissipating of diode
Thermal design；The present invention makes 4 output electrodes of former scheme transformer bottom change into 2 output electrodes simultaneously, simplifies change
Structure bottom depressor, compared with traditional structure, volume has and reduces significantly；
2, the upper and lower surface of the present invention can be separately as output electrode, it is also possible to two loads of band the most respectively,
Output electrode area is big and easily connects extraction copper bar；
3, polycrystalline substance of the present invention is simple, and connects stem stem and housing employing welding procedure, solves output electrode
Cross section is less, causes the big serious problem of generating heat of junction loss, improves power supply reliability；
4, almost without HF leakage magnetic field around the present invention, reduce the electromagnetic interference to peripheral circuits, improve electricity
Magnetic compatibility performance；
5, leakage field of the present invention is little so that the peak voltage fall produced during the IGBT inverter switching device of transformator front end
Low, improve IGBT device reliability of operation；
6, the symmetrical structure of the present invention, it is ensured that each diode branch has electric parameter relatively, each two poles
The electric current that pipe is shared is average；
7, the present invention has flat structure, and its flat structure can save connection copper bar when many group wired in parallel, can
It is combined into more powerful power supply easily.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of tradition vertoro.
Fig. 2 is the structural representation of tradition vertoro.
Fig. 3 is the circuit theory diagrams of high frequency Transformer Rectifier integrated apparatus of the present invention.
Fig. 4 is the structural representation of high frequency Transformer Rectifier integrated apparatus of the present invention.
Fig. 5 is the structure chart of high frequency Transformer Rectifier integrated apparatus of the present invention.
Fig. 6 is the structure sectional view of high frequency Transformer Rectifier integrated apparatus of the present invention.
Labelling in figure: 1 is toroidal core, 2 is primary coil, and 3 for connecting stem stem, and 4 is first level coil groups
Part, 5 is second subprime coil block, and 6 is water-cooling channel, and 31 is the first semicolumn, and 32 is the second semicolumn, and 41 are
First upper casing, 42 is the second lower casing, and 43 is the first diode, and 44 is the first output connecting hole, and 51 is the second upper casing,
52 is the second lower casing, and 53 is the second diode, and 54 is the second output connecting hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the present invention.Should be appreciated that specific embodiment described herein is only in order to explain this
Invention, is not intended to limit the present invention.
As shown in Figure 5 and Figure 6, high frequency Transformer Rectifier integrated apparatus of the present invention, including toroidal core 1, primary
Coil 2, connection stem stem the 3, first secondary coil assemblies 4, second subprime coil block 5, described connection stem stem 3 includes
Two semicolumns distorting 180 degree, described two halves cylinder twist, and mutually insulated, described first secondary coil assemblies 4
Including first upper casing the 41, first lower casing 42 and be connected on the one or two pole between the first upper casing 41 and the first lower casing 42
Pipe 43, described first upper casing 41 and the first lower casing 42 are provided with the first output connecting hole 44, described second subprime line
Coil assembly 5 includes second upper casing the 51, second lower casing 52 and is connected between the second upper casing 51 and the second lower casing 52
Second diode 53, described second diode 53 is anti-phase compared to the first diode 43 of first coil assembly, described
Being provided with the second output connecting hole 54 on second upper casing 51 and the second lower casing 52, described primary coil 2 is wound on annular
On magnetic core 1, described connection stem stem 3 is vertically positioned at toroidal core 1 center, and the upper end of described first semicolumn 31 connects
First upper casing 41 of first coil assembly 4, lower end connects the second lower casing 52 of the second coil block 5, and described the second half
The upper end of cylinder 32 connects the second upper casing 51 of the second coil block 5, and lower end connects first time of first coil assembly 4
Shell 42.
As shown in Figure 5 and Figure 6, in high frequency Transformer Rectifier integrated apparatus of the present invention, the first secondary coil assemblies 4
With in second subprime coil block 5, upper casing and lower casing design are made up of aluminium, and it is high that aluminium has coefficient of heat transfer, electric conductivity
Can be good, the advantages such as processability is strong, low cost；For strengthening heat radiation, the first secondary coil assemblies 4 and second subprime line
In coil assembly 5, upper casing and lower casing are respectively designed with 2 water-cooling channels 6, each water-cooling channel is parallel penetrate upper casing or under
Shell, each water-cooling channel is connected into one by elbow；In view of electric current current-sharing and minimizing part category, the first secondary coil
It is rotationally symmetrical that assembly 4 and second subprime coil block 5 are designed as connecting stem stem 3 center, will a kind of secondary coil
Assembly uses the mode that difference is installed, and forms two kinds of secondary coil assemblies；For reducing design difficulty, convenient connection exports copper
Row, in described first secondary coil assemblies 4 and second subprime coil block 5, diode design is positioned on assembly side,
Design on the left and right side of secondary coil herein.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in protection scope of the present invention it
In.
Claims (5)
1. a high frequency Transformer Rectifier integrated apparatus, including toroidal core (1), primary coil (2),
Connect stem stem (3), the first secondary coil assemblies (4), second subprime coil block (5), institute
Stating primary coil (2) to be wound on toroidal core (1), described connection stem stem (3) is vertically positioned at ring
Shape magnetic core (1) center, it is characterised in that: described connection stem stem (3) includes that two distort 180 degree
Semicolumn, described two halves cylinder twist, and mutually insulated, described two halves cylinder includes the first semicircle
Post (31) and the second semicolumn (32), described first secondary coil assemblies (4) includes the first upper casing
(41), the first lower casing (42) and be connected on the first upper casing (41) and the first lower casing (42) it
Between the first diode (43), described first upper casing (41) and the first lower casing (42) are provided with
First output connecting hole (44), described second subprime coil block (5) includes the second upper casing
(51), the second lower casing (52) and be connected on the second upper casing (51) and the second lower casing (52) it
Between the second diode (53), described second diode (53) is compared to the of first coil assembly
One diode (43) is anti-phase, and described second upper casing (51) and the second lower casing (52) are provided with
Second output connecting hole (54), the upper end of described first semicolumn (31) connects first coil assembly
(4) the first upper casing (41), lower end connects the second lower casing of the second coil block (5)
(52), the upper end of described second semicolumn (32) connects the second upper casing of the second coil block (5)
(51), lower end connects first lower casing (42) of first coil assembly (4).
High frequency Transformer Rectifier integrated apparatus the most according to claim 1, it is characterised in that: described
In one secondary coil assemblies (4) and second subprime coil block (5), the first upper casing (41),
One lower casing (42), the second upper casing (51) and the second lower casing (52) are made up of aluminium.
High frequency Transformer Rectifier integrated apparatus the most according to claim 1 and 2, it is characterised in that: institute
State in the first secondary coil assemblies (4) and second subprime coil block (5), the first upper casing
(41), it is provided with water on the first lower casing (42), the second upper casing (51) and the second lower casing (52)
Cold passage (6).
High frequency Transformer Rectifier integrated apparatus the most according to claim 3, it is characterised in that: described
One secondary coil assemblies (4) and second subprime coil block (5) are to connect stem stem (3) center for rotation
Turn symmetry.
High frequency Transformer Rectifier integrated apparatus the most according to claim 4, it is characterised in that: described
In one secondary coil assemblies (4) and second subprime coil block (5), the first diode and the two or two
Pole pipe is positioned on assembly side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130382.XA CN103872927B (en) | 2014-04-02 | 2014-04-02 | High frequency Transformer Rectifier integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130382.XA CN103872927B (en) | 2014-04-02 | 2014-04-02 | High frequency Transformer Rectifier integrated apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103872927A CN103872927A (en) | 2014-06-18 |
| CN103872927B true CN103872927B (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410130382.XA Active CN103872927B (en) | 2014-04-02 | 2014-04-02 | High frequency Transformer Rectifier integrated apparatus |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018904A (en) * | 1983-07-12 | 1985-01-31 | Murata Mfg Co Ltd | Flyback transformer with variable resistor |
| US5023768A (en) * | 1989-11-24 | 1991-06-11 | Varian Associates, Inc. | High voltage high power DC power supply |
| CN2512196Y (en) * | 2001-11-20 | 2002-09-18 | 南京欣德卫科医疗设备技术开发有限公司 | Portable X-ray unit with integrated transformer |
| CN201072698Y (en) * | 2007-01-26 | 2008-06-11 | 刘福全 | Integrated designing medium and high frequency transformer |
| CN201466976U (en) * | 2009-08-20 | 2010-05-12 | 石新春 | Integrated high-frequency rectifier device |
| CN102710147B (en) * | 2012-05-31 | 2015-07-15 | 绍兴市承天电器有限公司 | Water-cooling high-frequency rectification device |
| CN102956350A (en) * | 2012-11-12 | 2013-03-06 | 华南理工大学 | Integrated high-frequency power transformer |
| CN203747674U (en) * | 2014-04-02 | 2014-07-30 | 四川英杰电气股份有限公司 | High frequency transformation rectification and integration apparatus |
-
2014
- 2014-04-02 CN CN201410130382.XA patent/CN103872927B/en active Active
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| CN103872927A (en) | 2014-06-18 |
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