CN2697942Y - Rectifier for generator of car - Google Patents
Rectifier for generator of car Download PDFInfo
- Publication number
- CN2697942Y CN2697942Y CN 200420018886 CN200420018886U CN2697942Y CN 2697942 Y CN2697942 Y CN 2697942Y CN 200420018886 CN200420018886 CN 200420018886 CN 200420018886 U CN200420018886 U CN 200420018886U CN 2697942 Y CN2697942 Y CN 2697942Y
- Authority
- CN
- China
- Prior art keywords
- diode
- stator winding
- rectifier
- generator
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 28
- 230000007935 neutral effect Effects 0.000 claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Synchronous Machinery (AREA)
Abstract
Disclosed is a rectifier for a generator of a car, composed of that the output terminal An of a radial stator winding of a motor is connected with the anode of a diode D12 and the minus pole of a diode D214, the output terminal B of the stator winding is connected with the anode of a diode D35 and the minus pole of a diode D413, and the output terminal C of the stator winding is connected with the anode of a diode D57 and the minus pole of a diode D612. The neutral point N of the stator winding is connected with the anode of a diode D718 and the minus pole of a diode D811, the diode D12, the diode D35, the diode D57, and a diode D78 are positioned on a positive plate (9) and the diode D214, the diode D413, the diode D612 and the diode D811 are positioned on a negative plate (15). The utility model is of simple structure, of professional design and of low cost, and by adopting the rectifier, the alternating component available in the neutral point of the generator of the car is outputted outwards, which increases the output current of an alternating current generator by 10%-15%.
Description
Technical field
The utility model relates to a kind of electric generators for automobile rectifier.
Background technology
The electric generators for automobile rectifier is one of parts of generator, and its effect is that the three-phase alternating current that the generator unit stator winding produces is transformed to direct current.The rectifier that the present pole plate that generally adopts is a metallic aluminium punching formula is not because of being provided with the neutral point rectifier diode, so can't the neutral point alternating current component when following situation is arranged outwards to export: when generator speed surpasses 2000rpm/min, the highest instantaneous value of the alternating current component of neutral point might surpass the VD of generator, and minimum instantaneous value then may be lower than the bonding terminal voltage.
Summary of the invention
The purpose of this utility model is to overcome the weak point that exists in the above-mentioned technology, and a kind of electric generators for automobile rectifier that the automobile current generator neutral point current can outwards be exported is provided.
In order to achieve the above object, the technical solution adopted in the utility model is a kind of electric generators for automobile rectifier, comprise the diode that is provided with on the positive/negative plate, it is characterized in that: the star-like stator winding output terminals A of generator links to each other with the positive pole of diode D1 2 and the negative pole of diode D2 14, stator winding output B links to each other with the positive pole of diode D3 5 and the negative pole of diode D4 13, and the positive pole of stator winding output C and diode D5 7 and the negative pole of diode D6 12 link to each other and constitute rectifier.The neutral point N of stator winding links to each other with the negative pole of the positive pole of diode D7 18 and diode D8 11, four diode D1 2, D3 5, D5 7, D7 8 are arranged on the positive plate (9), and four diode D2 14, D4 13, D6 12, D8 11 are arranged on the negative plate (15).
The utility model has the advantages that:
Simple in structure, reasonable in design, with low cost, adopt this rectifier, make the automobile current generator neutral point
Available alternating current component is outwards exported, and can increase the output current of 10%～15% alternating current generator.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is positive plate of the present utility model and diode connection diagram.
Fig. 3 is negative plate of the present utility model and diode connection diagram.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
By Fig. 1-Fig. 3 as can be known, the utility model is: the star-like stator winding output terminals A of generator links to each other with the positive pole of diode D1 2 and the negative pole of diode D2 14, stator winding output B links to each other with the positive pole of diode D3 5 and the negative pole of diode D4 13, and the positive pole of stator winding output C and diode D5 7 and the negative pole of diode D6 12 link to each other and constitute rectifier.The neutral point N of stator winding links to each other with the negative pole of the positive pole of diode D7 18 and diode D8 11, four diode D1 2, D3 5, D5 7, D7 8 are arranged on the positive plate (9), and four diode D2 14, D4 13, D6 12, D8 11 are arranged on the negative plate (15).
Described in the utility model is the rectifier that the neutral point rectifier diode is arranged, its positive/negative plate 9,15 is the aluminium punching, it is that the rectifier of aluminium punching is compared except three positive silicon rectifier diode D1 2, D3 5 linking to each other with the stator winding output, D5 7 with existing positive/negative plate, the negative pole that increases by 8, four the positive silicon rectifier diodes of positive silicon rectifier diode D7 that link to each other with the stator winding neutral point is connected on the same positive plate 9; Except three negative silicon rectifier diode D2 14, D4 13 linking to each other with the stator winding output, D6 12, the positive pole that increases by 11, four the negative silicon rectifier diodes of negative silicon rectifier diode D8 that link to each other with the stator winding neutral point is connected on the same negative plate 15.Separate with insulation cushion between positive and negative pole plate, be riveted together by two copper riveting covers and rectifier skeleton 4.Except three lug plates 1,4,6 that link to each other with the stator winding output, increase a lug plate 10 that links to each other with the stator winding neutral point in the rectifier skeleton.
The rectification form of this rectifier is a three-phase bridge rectifier circuit.Arbitrary moment of voltage of three windings of stator output all has one to be high positive voltage, exports after making a conducting among diode D1 2, D3 5, the D5 7 by a slice in the lug plate 1,4,6 that links to each other with this phase winding; Also have one to be minimum negative voltage mutually, make a conducting among diode D2 14, D4 13, the D6 12, flow back to this, thereby constitute the loop by a slice in the lug plate 1,4,6 that links to each other with this diode.Other moment, in like manner acquisition one is dc pulse moving voltage more stably, thereby realized three-phase bridge rectification.
When the instantaneous voltage of neutral point is higher than the output voltage of generator, export after making diode D7 8 conductings by lug plate 10, make a minimum conducting of negative pole current potential among diode D2 14, D4 13, the D6 12 when flowing back to, again by with lug plate 1,4,6 that this diode links in a slice flow back to the stator winding that links to each other with this lug plate, thereby constitute the loop.When the instantaneous voltage of neutral point is lower than 0V, make diode D8 11 conductings, flow back to neutral point by the lug plate 10 that links to each other with this diode, flow out through a stator winding that has high positive voltage this moment during output, flow through a slice in the lug plate 1,4,6 that links to each other with this phase winding, make a conducting among diode D1 2, D3 5, the D5 7, thereby constitute the loop, realize that generator neutral point can utilize the outside output of alternating current component.
Claims (1)
1. electric generators for automobile rectifier, comprise the diode that is provided with on the positive/negative plate, it is characterized in that: the star-like stator winding output terminals A of generator links to each other with the positive pole of diode D1 (2) and the negative pole of diode D2 (14), stator winding output B links to each other with the positive pole of diode D3 (5) and the negative pole of diode D4 (13), the positive pole of stator winding output C and diode D5 (7) and the negative pole of diode D6 (12) link to each other and constitute rectifier, the neutral point N of stator winding links to each other with the positive pole of diode D7 (8) and the negative pole of diode D8 (11), four diode D1 (2), D3 (5), D5 (7), D7 (8) is arranged on the positive plate (9), four diode D2 (14), D4 (13), D6 (12), D8 (11) is arranged on the negative plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420018886 CN2697942Y (en) | 2004-04-29 | 2004-04-29 | Rectifier for generator of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420018886 CN2697942Y (en) | 2004-04-29 | 2004-04-29 | Rectifier for generator of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2697942Y true CN2697942Y (en) | 2005-05-04 |
Family
ID=34769497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420018886 Expired - Fee Related CN2697942Y (en) | 2004-04-29 | 2004-04-29 | Rectifier for generator of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2697942Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599707B (en) * | 2008-06-06 | 2012-11-28 | 株式会社日立制作所 | On-vehicle charging generator and rectifier unit thereof |
| CN103178725A (en) * | 2011-12-21 | 2013-06-26 | 沈阳铝镁设计研究院有限公司 | Device for processing inherent alternating component of large-power rectifier |
-
2004
- 2004-04-29 CN CN 200420018886 patent/CN2697942Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599707B (en) * | 2008-06-06 | 2012-11-28 | 株式会社日立制作所 | On-vehicle charging generator and rectifier unit thereof |
| CN103178725A (en) * | 2011-12-21 | 2013-06-26 | 沈阳铝镁设计研究院有限公司 | Device for processing inherent alternating component of large-power rectifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |