CN202889221U - Three-phase rectification power module of wide-range bending line electrode - Google Patents
Three-phase rectification power module of wide-range bending line electrode Download PDFInfo
- Publication number
- CN202889221U CN202889221U CN 201220600453 CN201220600453U CN202889221U CN 202889221 U CN202889221 U CN 202889221U CN 201220600453 CN201220600453 CN 201220600453 CN 201220600453 U CN201220600453 U CN 201220600453U CN 202889221 U CN202889221 U CN 202889221U
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- ceramic substrate
- housing
- power module
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Abstract
The utility model provides a three-phase rectification power module of a wide-range bending line electrode, which is simple in structure, can avoid dislocation of electrode holes and nut holes caused by electrode angle error or bending line drift error when the electrode is bent, and is convenient for the screw mounting operation. The three-phase rectification power module comprises a housing, a plurality of electrodes, a copper-coated ceramic substrate and a bottom plate, wherein a plurality of elongated slot holes are formed in the top surface of the housing; the upper parts of the electrodes are parts to be bent; the cross sections of the elongated slot holes and the parts to be bent of the electrodes are matched; the housing is arranged on the bottom plate; the copper-coated ceramic substrate is arranged on the bottom plate and positioned in the housing; the lower parts of the electrodes are fixedly arranged on the copper-coated ceramic substrate; the upper parts of the electrodes penetrate through the elongated slot holes; at least one rectangular hole is formed in the flush parts of the electrodes along the top surface of the housing; and the long edges of the rectangular holes are parallel to the length directions of the electrodes. The three-phase rectification power module is convenient to bend, and the bending force transmitted to welding points at the bottoms of the electrodes is reduced.
Description
Technical field
The utility model relates to the three phase rectifier power model, relates in particular to the improvement to the meander electrode structure.
Background technology
The three phase rectifier power model normally is made of the rectifier of bridge architecture six rectifier diodes, it utilizes the unilateal conduction characteristic of diode can realize full-wave rectification function to three-phase alternating current, be widely used in alternating current and turn in the galvanic circuit, such as direct current machine, Switching Power Supply, electric welding machine, DC power supply, PMW frequency converter etc.
The three phase rectifier power model mainly by rectifier diode chip (Diode Chip), cover copper ceramic substrate (DBC), copper soleplate and shell, electrode and consist of.Electrode one end is fixed on and covers on the cermet substrate, and the other end passes through on the securing member mounting casing after passing the bending of shell electrode hole.In the manufacture process of power model, what electrode was upright is fixedly connected on the substrate, is convenient to the electrode hole that electrode passes shell, places shell; Then, nut is put into the hexagon ring of shell, electrode pass the shell aperture part along on the shell along flushing line (flush line and be defined as the electrode bending line) bending 90 degree, nut just is fixed on below the electrode like this.Electrode bending line part is lower than other part intensity of electrode, is convenient to bending.
In the prior art, the sweep of electrode generally adopts " straight-line groove " structure, as shown in Figure 6." straight-line groove " structure, the width of this groove should not too wide (generally being about 1mm), too widely can reduce electrode integral intensity, are out of shape easily or fracture.The problem that kind electrode exists is when electrode bending, if electrode self has angular deviation slightly, after can causing electrode bending, the housing end face can not be guaranteed to be parallel in top, so that very large skew appears in the position of electrode hole, cause between electrode hole and the screw to misplace, can't lay smoothly screw.Or because of the impact of material in the module course of processing or weld layer thickness equal error, can cause sweep offset setting value, thereby electrode bending intensity has increased mechanical stress, thereby affected properties of product.
The utility model content
The utility model is for above problem, provide a kind of simple in structure, electrode angular error or sweep offset error cause when avoiding electrode bending electrode hole and nut bore misplace, and are convenient to the three phase rectifier power model of the wide region sweep electrode of mounting screw.
The technical solution of the utility model is: comprises shell, some electrodes, covers copper ceramic substrate and base plate,
Described outer casing top surface is provided with some long slot bores, and described electrode top is for treating bending part, and described long slot bore and described electrode treat that the cross section of bending part is adaptive;
Described shell is located on the base plate, and the described copper ceramic substrate that covers is located on the described base plate and is positioned at described shell, described electrode bottom fixedly be located at describedly cover on the copper ceramic substrate, top passes described long slot bore;
Be provided with at least one rectangular opening at described electrode along the outer casing top surface place of flushing, the long limit of described rectangular opening is parallel to the length direction of described electrode.
Also be provided with electrode hole on the described electrode, described electrode hole is positioned at the top of described rectangular opening.
Described outer casing top surface is provided with some hexagonal counterbores, and described hexagonal counterbore and described long slot bore are corresponding one by one; Described electrode hole and hexagonal counterbore are suitable.
The centre of described electrode is provided with projection, and described projection is located at a side opposite with described electrode wrap direction.
Three phase rectifier module in the utility model is improved to existing " straight-line groove " bending structure the rectangular opening structure of " uprightly " on electrode, be equivalent in electrode bending part part hollow out, reduce this position bending intensity, the one, be convenient to bending, the 2nd, reduce the bending power that is delivered to electrode bottom welding point place; Adopt simultaneously after the rectangular opening structure, if the deviation of perpendicularity when having electrode welding, because the existence of engraved structure also could be corrected when bending.The utility model has solved electrode hole and the nut bore problem of misalignment that existing three-phase bridge module causes because of electrode angular error or sweep offset error when electrode bending, so that the installation of screw is smooth and easy, strengthen the convenience that module is used, and be convenient to bending, avoid bending power to conduct to the electrode root.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the structural representation of three phase rectifier module in the utility model,
Fig. 4 is the cutaway view of A-A face among Fig. 3,
Fig. 5 is the decomposition texture schematic diagram of three phase rectifier module in the utility model,
Fig. 6 is the structural representation of electrode in the prior art;
1 is electrode among the figure, the 10th, and rectangular opening, the 11st, electrode hole, the 12nd, projection, the 2nd, shell, the 20th, long slot bore, the 21st, the hexagonal counterbore, the 3rd, base plate, the 4th, cover the copper ceramic substrate, the 5th, straight-line groove.
Embodiment
The utility model comprises shell 2, some electrodes 1, covers copper ceramic substrate 4 and base plate 3 shown in Fig. 1-5,
Described shell 2 end faces are provided with some long slot bores 20, and described electrode 1 top is for treating bending part, and described long slot bore 20 and described electrode treat that the cross section of bending part is adaptive;
Described shell 2 is located on the base plate 3, and the described copper ceramic substrate 4 that covers is located on the described base plate 3 and is positioned at described shell 2, described electrode 1 bottom fixedly be located at describedly cover on the copper ceramic substrate 4, top passes described long slot bore 20;
Be provided with at least one rectangular opening 10 at described electrode 1 along the shell 2 end face places of flushing, the long limit of described rectangular opening 10 is parallel to the length direction of described electrode 1.
Also be provided with electrode hole 11 on the described electrode 1, described electrode hole 11 is positioned at the top of described rectangular opening 10.
Described shell 2 end faces are provided with some hexagonal counterbores 21, and described hexagonal counterbore 21 and described long slot bore 20 are corresponding one by one, are convenient in the course of processing, and nut is placed in the hexagonal counterbore 21, and nut is fixed in 1 bending of realization electrode; Described electrode hole 11 and hexagonal counterbore 21 are suitable, have realized electrode 1 when bending, and the consistent correspondence in position of electrode hole 11 and hexagonal counterbore 21 is avoided the generation of inconsistent phenomenon, can realize smoothly the installation of screw, strengthen the convenience that module is used.
The centre of described electrode 1 is provided with projection 12, and described projection 12 is located at a side opposite with described electrode wrap direction.Arrow represents wrap direction among Fig. 2,12 pairs of electrodes 1 of projection is set plays positioning action, prevents that electrode 1 breaks away from module.
Claims (4)
1. the three phase rectifier power model of wide region sweep electrode comprises shell, some electrodes, covers copper ceramic substrate and base plate,
Described outer casing top surface is provided with some long slot bores, and described electrode top is for treating bending part, and described long slot bore and described electrode treat that the cross section of bending part is adaptive;
Described shell is located on the base plate, and the described copper ceramic substrate that covers is located on the described base plate and is positioned at described shell, described electrode bottom fixedly be located at describedly cover on the copper ceramic substrate, top passes described long slot bore;
It is characterized in that be provided with at least one rectangular opening at described electrode along the outer casing top surface place of flushing, the long limit of described rectangular opening is parallel to the length direction of described electrode.
2. the three phase rectifier module of wide region sweep electrode according to claim 1 is characterized in that, also is provided with electrode hole on the described electrode, and described electrode hole is positioned at the top of described rectangular opening.
3. the three phase rectifier module of wide region sweep electrode according to claim 2 is characterized in that, described outer casing top surface is provided with some hexagonal counterbores, and described hexagonal counterbore and described long slot bore are corresponding one by one; Described electrode hole and hexagonal counterbore are suitable.
4. according to claim 1, the three phase rectifier module of 2 or 3 described wide region sweep electrodes, it is characterized in that the centre of described electrode is provided with projection, described projection is located at a side opposite with described electrode wrap direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600453 CN202889221U (en) | 2012-11-14 | 2012-11-14 | Three-phase rectification power module of wide-range bending line electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600453 CN202889221U (en) | 2012-11-14 | 2012-11-14 | Three-phase rectification power module of wide-range bending line electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889221U true CN202889221U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220600453 Expired - Fee Related CN202889221U (en) | 2012-11-14 | 2012-11-14 | Three-phase rectification power module of wide-range bending line electrode |
Country Status (1)
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| CN (1) | CN202889221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795272A (en) * | 2014-01-25 | 2014-05-14 | 嘉兴斯达半导体股份有限公司 | Three-phase rectifier bridge power module |
| CN104916669A (en) * | 2014-03-11 | 2015-09-16 | 西安永电电气有限责任公司 | IGBT module electrode installation structure |
-
2012
- 2012-11-14 CN CN 201220600453 patent/CN202889221U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795272A (en) * | 2014-01-25 | 2014-05-14 | 嘉兴斯达半导体股份有限公司 | Three-phase rectifier bridge power module |
| CN104916669A (en) * | 2014-03-11 | 2015-09-16 | 西安永电电气有限责任公司 | IGBT module electrode installation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 225008 No. 26 Middle Road, Pioneer Park, Weiyang Economic Development Zone, Jiangsu, Yangzhou Patentee after: JIANGSU YANGJIE SEMICONDUCTOR Co.,Ltd. Address before: 225008 No. 26 Middle Road, Pioneer Park, Weiyang Economic Development Zone, Jiangsu, Yangzhou Patentee before: JIANGSU APT SEMICONDUCTOR Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20211114 |