CN110429830A - Small-volume large-power rectifier - Google Patents
Small-volume large-power rectifier Download PDFInfo
- Publication number
- CN110429830A CN110429830A CN201910651833.7A CN201910651833A CN110429830A CN 110429830 A CN110429830 A CN 110429830A CN 201910651833 A CN201910651833 A CN 201910651833A CN 110429830 A CN110429830 A CN 110429830A
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- plate
- rectifier
- conductive electrode
- electrode plate
- positive
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- 230000005855 radiation Effects 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims description 5
- 210000000515 tooth Anatomy 0.000 description 20
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of small-volume large-power rectifier, it is pressed rectifier diode respectively on positive conductive electrode plate and conductive negative plate；Rectifier bracket is equipped with diode welding plate and " u "-shaped stator connecting pin, and supports insulative backing plate lateral surface is equipped with closed plastic protection pipe, the rectifier bracket that is from top to bottom fixedly connected sequentially, positive conductive electrode plate, supports insulative backing plate, conductive negative plate；After fixing, " u "-shaped stator connecting pin is located above closed plastic protection pipe, and diode welding plate position is corresponding with the wire locations of rectifier diode；Positive conductive electrode plate end face outside is equipped with outer radiation tooth, and positive conductive electrode plate inner side end is equipped with interior radiation tooth, the conductive big wave radiation tooth of negative plate inner side end.The present invention is divided into four layers, can be avoided hot concentration while small in size, so that even heat disperses, positive conductive electrode plate, supports insulative backing plate and conductive negative plate are equipped with radiator structure, and the heat that rectifier generates when working can be good at conducting and distribute.
Description
Technical field
The present invention relates to a kind of small-volume large-power rectifiers, belong to automobile current generator technical field.
Background technique
Automobile current generator is the main power source of automobile, and function is in normal working of engine (more than idling), to institute
There is electrical equipment (except starter) power supply, while charging to battery.With the development of electronic technology with people to comfort level
It is required that raising, vehicle mounted electrical apparatus is being continuously increased；Simultaneously because of environmental requirement continuous plus tight and improve, automobile current generator is towards small
Volume (weight), high-power direction are developed.Therefore each state is all constantly releasing new technology, increases generator unit stator slot number, improves
The efficiency of generator under same volume.Wherein, flat wire stator begins to use in market, because of structure, volume and power
Reason, the temperature rise of stator itself, the significantly high round wires stator for market normal use occur, maximum temperature reaches 200 after stablizing
DEG C or more；The fixed stabilization covered also reaches 170 DEG C to 190 DEG C after it is transmitted to generator, this just proposes more rectifier
High requirement.
Existing market mainstream automobile current generator is alternating current generator, according to the fixation position of rectifier and adjuster, is divided into interior
Set formula generator and external generator.Built-in generator does over again because assembly technology is complex and repairs inconvenience, and rectifies
Device is affected to the temperature rise of rectifier closer to stator coil；But it does not have plastic safety cover, while doing band pump motor
When it is more convenient.External generator, assemble it is relatively simple, the doing over again of rectifier and adjuster repair it is more convenient, rectifier
Heat dissipation is more preferable；But rectifier and adjuster need to assemble shield protection, and band pump motor is relatively difficult implementation.
As depicted in figs. 1 and 2, in high-power generator, generator unit stator mostly uses double-winding structure, this requires rectification
Device uses 12 pipe structures；Built-in rectifier, negative plate are fitted on end cap, and end cap help is radiated, and positive plate uses multiple tooth knot
Structure heat dissipation；External rectifier, existing structure after being mostly after fixed lid is fitted in as negative plate or negative plate it is fixed cover it is scattered
Heat, positive plate are radiated using pressed sheet structure.When stator coil uses flat wire stator, rear fix is covered because stator temperature influences,
Its temperature is higher, in addition rectifies are generated heat on rectifier, temperature conduction distributes poor, reaches rectifier diode
Junction temperature so as to cause defective rectifier, and then influences the service life of generator.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of small-volume large-power rectifiers.
To achieve the above object, the invention provides the following technical scheme: a kind of small-volume large-power rectifier, including rectification
Device bracket, positive conductive electrode plate, supports insulative backing plate, conductive negative plate and rectifier diode, positive conductive electrode plate and conductive negative plate
It is upper to be pressed rectifier diode respectively；Conductive negative plate outer ledge offers slot, rectifier bracket be equipped with diode welding plate and
" u "-shaped stator connecting pin, supports insulative backing plate lateral surface are equipped with downward closed plastic protection pipe, successively solid from top to bottom
Surely rectifier bracket, positive conductive electrode plate, supports insulative backing plate, conductive negative plate are connected；After fixing, closed plastic protection pipe
It being stuck in the slot that conductive negative plate outer ledge opens up, " u "-shaped stator connecting pin is located above closed plastic protection pipe, and two
Pole pipe welding plate position is corresponding with the wire locations of rectifier diode；Positive conductive electrode plate end face outside is equipped with outer radiation tooth, and conduction is just
Pole plate inner side end is equipped with interior radiation tooth, the conductive big wave radiation tooth of negative plate inner side end.
Further, the interior radiation tooth thickness is greater than positive conductive electrode plate thickness, and all interior radiation tooth medial surfaces are connected with
Space between positive conductive electrode plate and web is divided into several ventilating ducts by web, interior radiation tooth.
Further, the positive conductive electrode plate, offer pass-through type heat release hole on supports insulative backing plate.
Further, the pass-through type heat release hole on the positive conductive electrode plate, the pass-through type heat release hole on supports insulative backing plate,
Big wave radiation tooth upper and lower position on the outside of conductive negative plate is corresponding.
Further, positive output screw and integral type output support rim are also pressed on the positive conductive electrode plate, just
Pole output screw inside integral type output support rim by being pierced by.
Further, two ends of the rectifier bracket are set respectively is connect by solid rivet with conductive negative plate.
Further, the lead of the rectifier diode is set up.
Compared with prior art, the present invention is divided into four layers, can be avoided hot concentration while small in size, so that even heat
Dispersion, positive conductive electrode plate, supports insulative backing plate and conductive negative plate are equipped with radiator structure, the heat that rectifier generates when working
It can be good at conducting and distribute.
Detailed description of the invention
Fig. 1 is built-in 12 pipe rectifier schematic diagram in background technique；
Fig. 2 is 12 pipe rectifier schematic diagram of external major diameter in background technique；
Fig. 3 is forward structure schematic diagram of the present invention；
Fig. 4 is reverse geometry schematic diagram of the present invention；
Fig. 5 is the present invention and adjuster assembling schematic diagram；
Fig. 6 is perspective view of the explosion of the present invention.
In figure: 1 positive output screw, 2 positive conductive electrode plates, 3 rectifier brackets, 4 rectifier diodes, 5 conductive negative plates, 7
Supports insulative backing plate, 8 pipe type rivets, 9 solid rivets, 10 shared mounting holes, 11 adjuster installation spaces, 12 " u "-shaped stators connect
Connecing end, radiation tooth in 16,17 big wave radiation tooths, 19 integral types export support rim, 20 webs, 21 outer radiation tooths, and 22
Pass-through type heat release hole, 23 closed plastic protection pipes, 24 bevel-type protection pipes, 27 diode welding plates, 28 adjusters.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figures 3 to 6, the present invention provides a kind of technical solution: including rectifier bracket 3, positive conductive electrode plate 2, branch
Insulating pad 7, conductive negative plate 5 and rectifier diode 4 are supportted, positive conductive electrode plate 2 is die casting structure, and conductive negative plate 5 is punching press
It is pressed rectifier diode 4 on structure, positive conductive electrode plate 2 and conductive negative plate 5 respectively, the setting of 4 uniform intervals of rectifier diode is kept away
Exempt from central heat source, keep the temperature gradient on pole plate uniform as far as possible, positive output screw 1 and one is also pressed on positive conductive electrode plate 2
Body formula exports support rim 19, and positive output screw 1 inside integral type output support rim 19 by being pierced by；
Conductive 5 outer ledge of negative plate offers slot, and rectifier bracket 3 is equipped with diode welding plate 27 and connects with " u "-shaped stator
End 12,7 lateral surface of supports insulative backing plate are equipped with downward closed plastic protection pipe 23, and closed plastic protection pipe 23 is suitable for reading
The big bevel-type protection pipe 24 of small lower mouth guarantees to improve efficiency when generator assembling, improves the protecting effect of stator line.
It from top to bottom passes sequentially through pipe type rivet 8 and is fixedly connected with rectifier bracket 3, positive conductive electrode plate 2, supports insulative backing plate
7, conductive negative plate 5, forms it into an entirety；After fixing, closed plastic protection pipe 23 is stuck in conductive 5 outside of negative plate
In the slot of edge, " u "-shaped stator connecting pin 12 is located at 23 top of closed plastic protection pipe, 27 position of diode welding plate
It is corresponding with the wire locations of rectifier diode 4, it is welded convenient for lead and diode welding plate 27,27 face of weld of diode welding plate is equipped with convex
Muscle, Lai Tigao resistance guarantee the reliability of spot welding, and " u "-shaped stator connecting pin 12 is outer open " u "-shaped fixed structure, convenient
It welds and does over again.
Rectifier diode 4 is direct current AC conversion, and positive conductive electrode plate 2, conductive negative plate 5 play two poles of fixed rectification
Pipe 4, conductive and heat dissipation effect, are separated with supports insulative backing plate 7 between positive conductive electrode plate 2 and conductive negative plate 5, are guaranteeing conduction just
The reliable insulation of pole plate 2 and conductive negative plate 5,3 connecting stator line of rectifier bracket and diode lead, play confluence, just
Pole output screw 1 externally exports electric current；
2 end face outside of positive conductive electrode plate is equipped with outer radiation tooth 21, and 2 inner side end of positive conductive electrode plate is equipped with interior radiation tooth 16, conductive
The big wave radiation tooth 17 of 5 inner side end of negative plate；
When generator works, positive conductive electrode plate 2 is radiated by outer radiation tooth 21, and conductive 5 front of negative plate and inner side edge are by leading
The distinguished and admirable heat dissipation of electric positive plate 2 is fixed lid boss behind conductive 5 back side of negative plate and motor and is fixed, not integrally fitting heat dissipation, with hair
The ventilation duct heat dissipation of capping formation is fixed after motor.
Heat dissipation effect in order to better improve, interior 16 thickness of radiation tooth is greater than 2 thickness of positive conductive electrode plate, all interior scattered
Hot 16 medial surface of tooth is connected with web 20, and the space between positive conductive electrode plate 2 and web 20 is divided into several by interior radiation tooth 16
Ventilating duct guarantees the conduction of 4 inside heat of rectifier diode and distributes that web 20 is connect with interior radiation tooth 16, not only can be with shape
At air duct convenient for heat dissipation, but also it can be improved the structural strength of positive conductive electrode plate 2.
Pass-through type heat release hole 22 is offered on positive conductive electrode plate 2, supports insulative backing plate 7, it is penetrating on positive conductive electrode plate 2
The big wave radiation tooth 17 of pass-through type heat release hole 22,5 outside of conductive negative plate on formula heat release hole 22, supports insulative backing plate 7
Upper and lower position is corresponding, reduces axial distinguished and admirable resistance, improves the thermal diffusivity of generator and rectifier.
Rectifier bracket 3, positive conductive electrode plate 2, supports insulative backing plate 7 and conductive negative plate 5 are symmetrical structure, fixed to connect
Rectifier after connecing together is also symmetrical structure, and symmetrical structure ensure that rectification can be axially and radially in the left and right sides of axis
Output, output boss are that integral type exports support rim 19, reduce the quantity of components, the output for improving rectifier is reliable
Property and packaging efficiency, reduce costs.
The rectifier bracket 3 is located at the top of positive conductive electrode plate 2, can guarantee positive conductive electrode plate 2 and conductive negative plate 5
On 4 lead of rectifier diode assemble in the same direction, the lead of rectifier diode 4 is set up, welding lead is constantly not necessarily to just
The welding of anti-two sides, improves the assembly and welding efficiency of rectifier, is conducive to the market competition of product, whole on conductive negative plate 5
It is furnished with circular vent around stream diode 4, ensure that the heat dissipation of conductive negative plate 5 needs and the air duct of generator entirety is logical
Road it is smooth, improve the performance of product.
Rectifier bracket 3, positive conductive electrode plate 2, supports insulative backing plate 7, conductive negative plate 5 two ends between there are tune
Device installation space 11 is saved, the width of adjuster installation space 11 is that 39mm uses rectifier when adjuster 28 is connect with rectifier
The shared mounting hole 10 of end saves space and reduces volume.Two ends of the rectifier bracket 3 are set respectively through solid riveting
Nail 9 is connect with conductive negative plate 5, guarantees that rectifier does not fail in high-temperature vibrating.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, all skills according to the present invention
Art any trickle amendment, equivalent replacement and improvement substantially to the above embodiments, should be included in technical solution of the present invention
Protection scope within.
Claims (7)
1. a kind of small-volume large-power rectifier, including rectifier bracket (3), positive conductive electrode plate (2), supports insulative backing plate (7),
It is pressed rectifier diode respectively on conductive negative plate (5) and rectifier diode (4), positive conductive electrode plate (2) and conductive negative plate (5)
(4)；
It is characterized by: conductive negative plate (5) outer ledge offers slot, rectifier bracket (3) is equipped with diode welding plate
(27) and " u "-shaped stator connecting pin (12), supports insulative backing plate (7) lateral surface are equipped with downward closed plastic protection pipe
(23), be from top to bottom fixedly connected sequentially rectifier bracket (3), positive conductive electrode plate (2), supports insulative backing plate (7), conductive cathode
Plate (5)；After fixing, closed plastic protection pipe (23) is stuck in the slot that conductive negative plate (5) outer ledge opens up, " u "-shaped
Stator connecting pin (12) is located above closed plastic protection pipe (23), diode welding plate (27) position and rectifier diode (4)
Wire locations it is corresponding；
Positive conductive electrode plate (2) end face outside is equipped with outer radiation tooth (21), and positive conductive electrode plate (2) inner side end is equipped with interior radiation tooth
(16), the conductive big wave radiation tooth (17) of negative plate (5) inner side end.
2. a kind of small-volume large-power rectifier according to claim 1, it is characterised in that: the interior radiation tooth (16) is thick
Degree is greater than positive conductive electrode plate (2) thickness, and all interior radiation tooth (16) medial surfaces are connected with web (20), and interior radiation tooth (16) will lead
Space between electric positive plate (2) and web (20) is divided into several ventilating ducts.
3. a kind of small-volume large-power rectifier according to claim 1, it is characterised in that: the positive conductive electrode plate (2),
Pass-through type heat release hole (22) are offered on supports insulative backing plate (7).
4. a kind of small-volume large-power rectifier according to claim 3, it is characterised in that: the positive conductive electrode plate (2)
On pass-through type heat release hole (22), the pass-through type heat release hole (22) on supports insulative backing plate (7), on the outside of conductive negative plate (5)
Big wave radiation tooth (17) upper and lower position is corresponding.
5. a kind of small-volume large-power rectifier according to claim 1, it is characterised in that: the positive conductive electrode plate (2)
On be also pressed with positive output screw (1) and integral type output support rim (19), positive output screw (1) exports by integral type
It is pierced by inside support rim (19).
6. a kind of small-volume large-power rectifier according to claim 1, it is characterised in that: the rectifier bracket (3)
Two ends set connect by solid rivet (9) with conductive negative plate (5) respectively.
7. a kind of small-volume large-power rectifier according to claim 1, it is characterised in that: the rectifier diode (4)
Lead set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651833.7A CN110429830B (en) | 2019-07-18 | Small-size high-power rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651833.7A CN110429830B (en) | 2019-07-18 | Small-size high-power rectifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110429830A true CN110429830A (en) | 2019-11-08 |
| CN110429830B CN110429830B (en) | 2024-06-21 |
Family
ID=
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366899A (en) * | 2020-12-16 | 2021-02-12 | 江苏云意电气股份有限公司 | Built-in flat wire stator assembly rectifier of automobile |
| CN113783365A (en) * | 2021-08-05 | 2021-12-10 | 东风电驱动系统有限公司 | Rectifier for automobile generator |
| CN114374300A (en) * | 2021-11-30 | 2022-04-19 | 江苏云意电气股份有限公司 | Automobile power controller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006333605A (en) * | 2005-05-25 | 2006-12-07 | Actron Technology Corp | Manufacturing method of radiation structure for commutator |
| JP2007159193A (en) * | 2005-12-01 | 2007-06-21 | Hitachi Ltd | Inverter device for special vehicle |
| CN101814845A (en) * | 2009-11-08 | 2010-08-25 | 徐州云浩电子有限公司 | Press-mounting automobile rectifier with excitation diode |
| CN207184262U (en) * | 2017-08-25 | 2018-04-03 | 江苏云意电气股份有限公司 | A kind of high efficiency generator rectifier positive conductive electrode harden structure |
| CN109067095A (en) * | 2018-09-12 | 2018-12-21 | 浙江安美德汽车配件有限公司 | A kind of rectifier bridge rear cover integral structure |
| CN210273847U (en) * | 2019-07-18 | 2020-04-07 | 江苏云意电气股份有限公司 | Small-volume high-power rectifier |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006333605A (en) * | 2005-05-25 | 2006-12-07 | Actron Technology Corp | Manufacturing method of radiation structure for commutator |
| JP2007159193A (en) * | 2005-12-01 | 2007-06-21 | Hitachi Ltd | Inverter device for special vehicle |
| CN101814845A (en) * | 2009-11-08 | 2010-08-25 | 徐州云浩电子有限公司 | Press-mounting automobile rectifier with excitation diode |
| CN207184262U (en) * | 2017-08-25 | 2018-04-03 | 江苏云意电气股份有限公司 | A kind of high efficiency generator rectifier positive conductive electrode harden structure |
| CN109067095A (en) * | 2018-09-12 | 2018-12-21 | 浙江安美德汽车配件有限公司 | A kind of rectifier bridge rear cover integral structure |
| CN210273847U (en) * | 2019-07-18 | 2020-04-07 | 江苏云意电气股份有限公司 | Small-volume high-power rectifier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366899A (en) * | 2020-12-16 | 2021-02-12 | 江苏云意电气股份有限公司 | Built-in flat wire stator assembly rectifier of automobile |
| CN113783365A (en) * | 2021-08-05 | 2021-12-10 | 东风电驱动系统有限公司 | Rectifier for automobile generator |
| CN114374300A (en) * | 2021-11-30 | 2022-04-19 | 江苏云意电气股份有限公司 | Automobile power controller |
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