CN203827202U - Full water cooling high frequency power transformer and secondary rectifier module structure - Google Patents

Full water cooling high frequency power transformer and secondary rectifier module structure Download PDF

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Publication number
CN203827202U
CN203827202U CN201420163080.8U CN201420163080U CN203827202U CN 203827202 U CN203827202 U CN 203827202U CN 201420163080 U CN201420163080 U CN 201420163080U CN 203827202 U CN203827202 U CN 203827202U
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China
Prior art keywords
substrate
pedestal
transformer
center pillar
frequency power
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Expired - Fee Related
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CN201420163080.8U
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Chinese (zh)
Inventor
杜贵平
方俊翔
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201420163080.8U priority Critical patent/CN203827202U/en
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Abstract

The utility model discloses a full water cooling high frequency power transformer and secondary rectifier module structure. The center of one side of a high frequency power transformer conductor seat body is provided with an annular groove. The middle point of the groove is provided with a seat body middle column and a seat body window, and the center of a conductor substrate is provided with a substrate middle column and a substrate window which are matched with a seat body structure. A magnetic core is placed into a seat body groove, and the conductor substrate is closed to form a transformer. A secondary rectifying component is formed by installing two groups of cathodes at two sides of a rectifier substrate and connecting an anode to the rectification diodes of rectification diode set anode connection plates. The two rectification diode set anode connection plates are respectively connected with a transformer seat body middle column and the substrate middle column. The anode and cathode of a high frequency industrial power supply are formed by a rectifying component substrate and a transformer seat body. The full water cooling high frequency power transformer and secondary rectifier module structure has the advantages of simple structure and convenient installation, and the output power can be adjusted according to needs.

Description

A kind of full water cooling high-frequency power transformer and secondary commutation modular structure
Technical field
The utility model relates to transformer commutation technique field, is specifically related to be applied to a kind of full water cooling high-frequency power transformer and the secondary commutation modular structure of low-voltage, high-current high frequency industrial power.
Background technology
Along with low-voltage, high-current high frequency industrial power is more and more in industrial application, to the modularized design of high frequency industrial power, the power density of power supply, the reliability requirement of power supply is more and more higher.If power supply architecture design is words improperly, the production cycle is long, and cost is high, during operation, likely because of excess Temperature, electromagnetic interference etc., causes fault.Therefore, the quality of power supply architecture design directly has influence on the competitiveness of product.
Commercial Application power supply, its transformer rectifier circuit structure has bridge rectifier, full-wave rectifying circuit, half-wave rectifying circuit.At present, low-voltage, high-current high frequency switch power secondary side rectification circuit adopts full-wave rectifying circuit mostly ,but because full-wave rectifying circuit needs two secondary windings, the rectifier diode of each secondary winding is comprised of several diodes.When secondary current surpasses thousands of ampere-hours, form two secondary windings and rectification circuit, its complex structure, technological requirement is high, difficulty is large, design bad meeting and cause transformer heating, rectifier diode shunting is inhomogeneous, stray inductance is large, easily causes device failure, and whole aircraft reliability is declined.According to different power requirements, need design different power supply architectures simultaneously.The utility model, for this problem, has designed this full water cooling high-frequency power transformer and secondary commutation modular structure.
Utility model content
Technical problem to be solved in the utility model, the purpose of this utility model is to disclose a kind of full water cooling high-frequency power transformer and secondary commutation modular structure.
The utility model is for addressing the above problem, and the technical scheme adopting is as follows:
Full water cooling high-frequency power transformer and a secondary commutation modular structure, described high-frequency power transformer comprises transformer toroidal core, transformer primary side winding, pedestal and substrate; Described transformer primary side winding is around on toroidal transformer magnetic core and is formed by multiply enamelled wire uniform ring, and the toroidal core that is wound with former limit winding is positioned in the annular groove of pedestal; The substrate center pillar that substrate is provided with is through the pedestal window having in toroidal transformer magnetic core and pedestal, the substrate window that the pedestal center pillar being provided with in pedestal is provided with through toroidal transformer magnetic core and substrate; Substrate center pillar and pedestal center pillar form two windings of transformer secondary, the be electrically connected to form centre tap of secondary winding of pedestal and substrate.
Described secondary commutation assembly comprises rectification substrate and the two blocks of rectifier diode group anodic bonding plates that rectifier diode, conduction and Heat Conduction Material form; Described rectifier diode is divided into two groups of positive and negatives that are arranged on respectively rectification substrate, the negative electrode of all rectifier diodes connects described rectification substrate, the anode of every group of rectifier diode connects respectively a rectifier diode group anodic bonding plate separately, and two blocks of rectifier diode group anodic bonding plates are received respectively on two secondary windings of high-frequency power transformer; Described rectification substrate forms the positive pole of high frequency industrial power, and transformer base forms the negative pole of high frequency industrial power.
Further, described pedestal is cuboid conductor material, cuboid one side center has described annular groove, the mid portion of described annular groove is as described pedestal center pillar, this pedestal center pillar be along cylinder center longitudinally cutting remaining half, the part of being dissectd extends to the another side of cuboid always, and forms described pedestal window at this another side; Described annular groove size is wound with the toroidal core of former limit winding described in be able to putting into; Described substrate is an electric conducting material, the one side center of substrate is connected with substrate center pillar, this substrate center pillar be along cylinder center longitudinally cutting remaining half, the part of being dissectd extends to the another side of substrate always, and forming described substrate window at this another side, substrate center pillar equates with the radius of pedestal center pillar.
Further, the described toroidal core that is wound with former limit winding is positioned in the annular groove of pedestal, substrate center pillar is through the pedestal window of pedestal bottom, pedestal center pillar is through the substrate window on substrate, between substrate and pedestal, be electrically connected to, but between substrate center pillar and pedestal window, be not electrically connected between pedestal center pillar and substrate window.
Further, when rectifier diode is divided into two groups of two sides (tow sides) that are arranged on respectively rectification substrate, both sides number of diodes should equate and be symmetrical, can distribute rectifier diode total number according to output current grade.
Further, two blocks of rectifier diode group anodic bonding plates are connected with pedestal center pillar with transformer substrate center pillar respectively by contiguous block.
Compared with prior art, the utlity model has following advantage and technique effect:
High-frequency power transformer in the utility model adopts unitary conductive material to form transformer secondary winding, its conductive area is more much bigger than copper bar or wire conductive cross-sectional area, this structure can improve transformer radiating effect greatly, realize High-current output very simple, be particularly suitable for large-power occasions.
Rectification module in the utility model is output as low-voltage, large electric current, and this water-cooled high-frequency power transformer and rectifier stack modular construction are conducive to the shunting of rectifier diode by the reasonable distribution of rectifier diode.
A kind of full water cooling high-frequency power transformer of the present utility model and secondary commutation modular structure can be divided into different capacity grade transformer by the difference of power output, by the difference of output current, rectifier stack is divided into different current classes, can power output, output current as requested chooses the transformer of different capacity grade and the rectifier stack of different current classes is combined into required high frequency industrial power.
A kind of full water cooling high-frequency power transformer of the present utility model and secondary commutation modular structure are a kind of modular Integral designs, rectification module substrate forms the positive pole of output direct current, high-frequency power transformer pedestal forms the negative pole of output direct current, is conducive to the convenient of practice and connects.
The design of a kind of full water cooling high-frequency power transformer of the present utility model and secondary commutation modular structure is not only convenient aspect commercial Application, and there is good effect the heating of minimizing transformer, rectifier diode current-sharing and anti-electromagnetic interference aspect.
Accompanying drawing explanation
Fig. 1 a is high-frequency power transformer structural representation;
Fig. 1 b is high-frequency power transformer base structure schematic diagram;
Fig. 1 c is high-frequency power transformer board structure schematic diagram;
Fig. 1 d is the toroidal core schematic diagram of the former limit of high-frequency power transformer band winding;
Fig. 2 is rectifier stack structural representation;
Fig. 3 is high-frequency power transformer and secondary commutation modular structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and concrete enforcement, the utility model is further described in detail, but enforcement of the present utility model and protection are not limited to this.
As shown in Figure 1a, high-frequency power transformer structure, it comprises pedestal 1, annular groove 2, pedestal center pillar 3, pedestal window 4, substrate 5, substrate center pillar 6, substrate window 7, transformer toroidal core 8, transformer primary side winding 9.Described transformer primary side winding 9 is around on toroidal transformer magnetic core 8 and is formed by multiply enamelled wire uniform ring, and the toroidal core that has wound former limit winding is positioned in the groove 2 of pedestal; Substrate center pillar 5 is through magnetic core 7 and pedestal window 3, and pedestal center pillar 2 is through magnetic core 7 and substrate window 6; Substrate center pillar 6 and pedestal center pillar 3 form two windings of transformer secondary, the be electrically connected to form centre tap of secondary winding of pedestal 1 and substrate 5.
As shown in Figure 1 b, described pedestal 1 is a conductor material, take one side center as mid point, dig an annular groove 2, this groove size be able to be put the toroidal core 8 that has wound former limit winding 9 into, in groove, is the pedestal center pillar 3 being connected with pedestal 1, and opens a pedestal window 4 at pedestal center pillar and pedestal bottom connecting place.
As shown in Fig. 1 c, described substrate 5 is an electric conducting material, in its one side, has a substrate center pillar 6, and substrate center pillar is electrically connected to substrate, and opens a substrate window 7 on substrate upper substrate center pillar limit.
As shown in Fig. 1 a ~ 1d, described substrate center pillar 6 enough becomes a winding of transformer secondary through pedestal window 3, described pedestal center pillar 2 forms another winding of transformer secondary through substrate window 7, the be electrically connected to form centre tap of transformer secondary winding of pedestal 1 and substrate 5, but between substrate center pillar 6 and pedestal window 4, be not electrically connected between pedestal center pillar 3 and substrate window 7.
As shown in Figure 2, rectifier stack comprises required rectifier diode (13,14), the rectification substrate 10 that conduction and Heat Conduction Material form, rectifier diode group anodic bonding plate (11,12).Described rectifier diode (13,14) is divided into two groups, the negative electrode of every group of rectifier diode connects rectification substrate 10, the anode of every group of rectifier diode connects respectively rectifier diode group anodic bonding plate (11,12), and two blocks of rectifier diode group anodic bonding plates (11,12) connect respectively two secondary windings of high-frequency power transformer.Described rectification substrate 10 has just formed the positive pole of high frequency switch power, and the pedestal 1 of transformer has formed the negative pole of high frequency switch power.
As shown in Figure 3, a kind of full water cooling high-frequency power transformer and secondary commutation modular structure, two blocks of rectifier diode group anodic bonding plates 11,12 are connected with pedestal center pillar 3 with transformer substrate center pillar 6 respectively by contiguous block 15.The rectification substrate 10 of high-frequency power transformer pedestal 1 and rectification module structure, two blocks of rectifier diode group anodic bonding plates 11,12 separate by insulation board 16.
Described rectifier stack is output as low-voltage, large electric current, and this water-cooled high-frequency power transformer and rectifier stack modular construction are conducive to the shunting of rectifier diode by the reasonable distribution of rectifier diode, reduces transformer heating.
Described a kind of full water cooling high-frequency power transformer and secondary commutation modular structure comprise transformer module and rectification module.Transformer is divided into different capacity grade, rectifier stack is divided into different current classes by the difference of output current, can power output, output current as requested chooses the transformer of different capacity grade and the rectifier stack of different current classes is combined into required high frequency industrial power.
Described a kind of full water cooling high-frequency power transformer and secondary commutation modular structure are a kind of modular Integral designs, rectification module substrate forms the positive pole of output direct current, high-frequency power transformer pedestal forms the negative pole of output direct current, is conducive to the convenient of practice and connects.
The design of described a kind of full water cooling high-frequency power transformer and secondary commutation modular structure is not only convenient aspect commercial Application, and there is good effect the heating of minimizing transformer, rectifier diode current-sharing and anti-electromagnetic interference aspect.

Claims (5)

1. full water cooling high-frequency power transformer and a secondary commutation modular structure, is characterized in that comprising high-frequency power transformer and secondary commutation assembly, and described high-frequency power transformer comprises transformer toroidal core, transformer primary side winding, pedestal and substrate; Described transformer primary side winding is around on toroidal transformer magnetic core and is formed by multiply enamelled wire uniform ring, and the toroidal core that is wound with former limit winding is positioned in the annular groove of pedestal; The substrate center pillar that substrate is provided with is through the pedestal window having in toroidal transformer magnetic core and pedestal, the substrate window that the pedestal center pillar being provided with in pedestal is provided with through toroidal transformer magnetic core and substrate; Substrate center pillar and pedestal center pillar form two windings of transformer secondary, the be electrically connected to form centre tap of secondary winding of pedestal and substrate;
Described secondary commutation assembly comprises rectification substrate and the two blocks of rectifier diode group anodic bonding plates that rectifier diode, conduction and Heat Conduction Material form; Described rectifier diode is divided into two groups of positive and negatives that are arranged on respectively rectification substrate, the negative electrode of all rectifier diodes connects described rectification substrate, the anode of every group of rectifier diode connects respectively a rectifier diode group anodic bonding plate separately, and two blocks of rectifier diode group anodic bonding plates are received respectively on two secondary windings of high-frequency power transformer; Described rectification substrate forms the positive pole of high frequency industrial power, and transformer base forms the negative pole of high frequency industrial power.
2. a kind of full water cooling high-frequency power transformer according to claim 1 and secondary commutation modular structure, it is characterized in that: described pedestal is cuboid conductor material, cuboid one side center has described annular groove, the mid portion of described annular groove is as described pedestal center pillar, this pedestal center pillar be along cylinder center longitudinally cutting remaining half, the part of being dissectd extends to the another side of cuboid always, and forms described pedestal window at this another side; Described annular groove size is wound with the toroidal core of former limit winding described in be able to putting into; Described substrate is an electric conducting material, the one side center of substrate is connected with substrate center pillar, this substrate center pillar be along cylinder center longitudinally cutting remaining half, the part of being dissectd extends to the another side of substrate always, and forming described substrate window at this another side, substrate center pillar equates with the radius of pedestal center pillar.
3. a kind of full water cooling high-frequency power transformer according to claim 1 and secondary commutation modular structure, it is characterized in that: described in be wound with former limit winding toroidal core be positioned in the annular groove of pedestal, substrate center pillar is through the pedestal window of pedestal bottom, pedestal center pillar is through the substrate window on substrate, between substrate and pedestal, be electrically connected to, but between substrate center pillar and pedestal window, be not electrically connected between pedestal center pillar and substrate window.
4. a kind of full water cooling high-frequency power transformer according to claim 1 and secondary commutation modular structure, is characterized in that: when described rectifier diode is divided into two groups of tow sides that are arranged on respectively rectification substrate, both sides number of diodes should equate and be symmetrical.
5. full water cooling high-frequency power transformer according to claim 1 and secondary commutation modular structure, it is characterized in that: in described two blocks of rectifier diode group anodic bonding plates, one is connected with transformer substrate center pillar by a contiguous block, and another piece is connected with pedestal center pillar by another contiguous block.
CN201420163080.8U 2014-04-04 2014-04-04 Full water cooling high frequency power transformer and secondary rectifier module structure Expired - Fee Related CN203827202U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973133A (en) * 2014-04-04 2014-08-06 华南理工大学 Full-water-cooling high-frequency power transformer and secondary rectifying module structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973133A (en) * 2014-04-04 2014-08-06 华南理工大学 Full-water-cooling high-frequency power transformer and secondary rectifying module structure

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