CN106787825B - A kind of auto rectifier - Google Patents
A kind of auto rectifier Download PDFInfo
- Publication number
- CN106787825B CN106787825B CN201710207306.8A CN201710207306A CN106787825B CN 106787825 B CN106787825 B CN 106787825B CN 201710207306 A CN201710207306 A CN 201710207306A CN 106787825 B CN106787825 B CN 106787825B
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- Prior art keywords
- cooling fin
- positive
- positive plate
- diode
- rectifier
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Classifications
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- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The present invention provides a kind of auto rectifiers, including several positive diode, positive plate, felt pad and supporting racks；Wherein, each positive diode is fixed on the positive plate, and the positive plate is equipped with a large amount of cooling fin, the cooling fin includes long cooling fin and short cooling fin, support frame as described above is set to the upper surface of described positive plate, is bolted to connection, and the back side of supporting rack is equipped with several felt pads.It is provided with cooling fin and heat emission hole on the cooling fin of auto rectifier provided by the invention, increases heat dissipation area, booster diode heat dissipation accelerates the cooling velocity of rectifier, improves the service life of diode；And the positive electrode and negative electrode of diode are first to assemble to weld again in auto rectifier, simplify production technology, improve efficiency.
Description
Technical field
The present invention relates to auto parts field more particularly to a kind of auto rectifiers.
Background technology
Existing auto rectifier is usually by bridge bracket, positive and negative rectifier diode, positive plate, B+ output screws, felt pad
The parts such as cloth, negative plate, alumina plate form, but the mode that is fixedly connected of parts is had nothing in common with each other.For example, Chinese patent
Document CN203368344 (application numbers：201320454679.2) a kind of auto rectifier assembly fixed structure is disclosed, including it is negative
Pole plate, positive plate, plastic stent, B+ screw rods, locking nut, long rivet, felt pad and positive single tube, negative single tube, it is characterised in that：
It is equipped with plastic support on the position of felt pad, is stayed on plastic stent there are one rivet hole, makes new plastic stent；Just
It is pressed positive single tube, negative single tube on pole plate and negative plate respectively；All it is pressed long rivet of the same race on the component of negative plate, in positive plate
Component on be pressed B+ screw rods；Shield is assembled on the component of negative plate；The group of positive plate is directly assembled in the component of negative plate
Part and plastic stent；Long rivet is housed on plastic stent；Locking nut is housed on long rivet, and welds positive single tube and negative list
Pipe.Its advantage is that：Rivet of the same race, primary assembly riveting is used to reduce material variety and process, improve production effect when assembly
Rate reduces cost.
Generally use insulation shield and alumina plate combine between the positive plate of auto rectifier and cathode electric motor end cap
Mode insulate.Because the insulating layer of alumina plate is only on surface, when installing rectifier, surface is easy to scratch,
Insulation damage layer is caused, insulation function is lost.And the only insulation shield of insulating effect is really played, however the defect for the shield that insulate
It is that anti-pressure ability is poor.When shield bears pressure, the thinning of thickness direction can be caused, because the thickness of shield only has
0.11mm will appear electric leakage, and then lead to defective rectifier so after the shield that insulate is thinning under the working environment of high temperature.
Patent of invention (ZL 02801485.5：Electric rotating machine) a kind of fairing is disclosed, which includes multiple
By the plate shape of a positive diode and multiple parts by formation rear support of the radiator bearing of support plate shape
The negative diode of supporting members support, the support plate and the board shaft are fixed on to juxtaposition on rear support；And one by cold
But the cooling device of fluid axial circulation circulation by axial aperture on the plate, on the support plate of positive diode at least
Some apertures are furnished with a large amount of foliaceous cooling fins, these cooling fins are radially therefrom inward flange on support plate and proceed by radial prolong
It stretches, a cooling fluid through-hole configuration is between each pair of abutting fins；It is characterized in that, some are known as dissipating for the first cooling fin
Backing extends to the outer periphery of the support plate of positive diode.
Utility model patent (201420640551.X：Auto rectifier) to disclose a kind of automobile reorganizer include bridge bracket
(1), positive rectifier diode (2), positive plate (3), alumina plate (5), negative rectifier diode (6) and negative plate (7), it is described just whole
Stream diode (2) is fitted on positive plate (3), and the negative rectifier diode (6) is fitted on negative plate (7), the positive plate
(3) it being interference fitted with the convex ribs (11) on bridge bracket (1) with negative plate (7), the alumina plate (5) is set on positive plate (3),
It is characterized in that：Insulation assembly (4) is equipped between the alumina plate (5) and positive plate (3)；The insulation assembly (4) includes
The insulation film (41) being fitted on positive plate (3), the insulation shield (43) being fitted on alumina plate (5), and bond institute
State the insulating resin (42) of insulation film (41) and the shield (43) that insulate.
Fairing disclosed in above-mentioned patent of invention increases cooling area, and diode rapid cooling is made to cool down；
Auto rectifier disclosed in above-mentioned utility model patent is that insulation assembly is arranged between alumina plate and positive plate, to improve
The safety of rectifier and durability.The rectifier structure technique of two above-mentioned patent disclosures is more complicated, production efficiency
It is relatively low.
Invention content
In view of the deficiencies in the prior art, the present invention provides a kind of auto rectifiers, simplify the life of rectifier
Production. art, simple in structure, good heat dissipation effect, service life are long.
In order to solve the above technical problems, the technical solution adopted by the present invention is：The present invention provides a kind of auto rectifier,
Including several positive diode, positive plate, felt pad and supporting racks；Each positive diode is fixed on the positive plate；
The positive plate is equipped with a large amount of cooling fin, and the cooling fin includes long cooling fin and short cooling fin, and support frame as described above is set to
The upper surface of described positive plate, and be bolted to connection；The back side of support frame as described above is equipped with several felt pads.
Preferably, the auto rectifier further includes voltage output port, and the voltage output port is set to the anode
On plate；The way of output of the voltage output port includes the voltage way of output and the voltage way of output upward outwardly.
Preferably, the positive plate is equipped with positive diode fastener hole corresponding with positive diode.
Preferably, the quantity of the positive diode is 3, and each felt pad is set between the positive diode.
Preferably, the shape of the long cooling fin and short cooling fin is the dentalation of protrusion, is effectively increased scattered
Hot area.
Preferably, the long cooling fin is radially extended since positive plate radially inward edge, extends radially to positive plate
Periphery, and be 3mm-15mm with the Edge Distance of positive plate.
Preferably, the short cooling fin is radially extended since positive plate radially inward edge, extends radially to positive diode
Periphery, and with the Edge Distance of positive diode be 1mm-10mm.
Preferably, the Edge Distance of the long cooling fin and the positive plate is 5mm-10mm.
Preferably, the Edge Distance of the long cooling fin and the positive plate is 6-8mm.
Preferably, the Edge Distance of the short cooling fin and the positive diode is 2.5mm-7.5mm.
Preferably, the Edge Distance of the short cooling fin and the positive diode is 4-6mm.
Preferably, the heat emission hole that several pore sizes differ is additionally provided on the positive plate, the heat emission hole is distributed in
Between the long cooling fin and short cooling fin on the good long cooling fin, heat exhaust is increased, effectively by the heat in generator
Amount discharge.
Preferably, support frame as described above is equipped with through-hole, when support frame as described above is installed with the positive plate, the through-hole and institute
State heat emission hole, cooling fin is staggeredly arranged, the heat of the more convenient cooling fin for sheltering from supporting rack is discharged by through-hole, is carried
High radiating efficiency.
Preferably, the side of support frame as described above is equipped with several mold inserts.
It compares with the prior art, the beneficial effect comprise that：
(1) it is provided with cooling fin and heat emission hole on the cooling fin of auto rectifier provided by the invention, increases radiating surface
Product, booster diode heat dissipation, accelerates the cooling velocity of rectifier, improves the service life of diode；
(2) anode of diode with existing cathode is first to assemble to weld again in auto rectifier provided by the invention, simple
Change production technology, improves efficiency；
(3) back side of auto rectifier supporting rack provided by the invention is equipped with felt pad, and felt pad is set to positive diode
Between position, ensure that the cooling fin on positive plate with existing cathode cooling fin is that insulation separates to rectifier when mounted
's；And supporting rack is set to the upper surface of positive plate, simplifies original cumbersome production technology, improves production efficiency；
(4) supporting rack provided by the invention is equipped with through-hole, and through-hole is staggeredly arranged with heat emission hole, can will be by supporting rack
The cooling fin heat discharge sheltered from, improves the radiating efficiency of auto rectifier entirety.
Description of the drawings
Fig. 1 is the three-dimensional view for the positive plate that voltage provided by the invention exports outwardly；
Fig. 2 is the positive plate view after Fig. 1 overturnings 180 degree provided by the invention；
Fig. 3 is the topology view for the rectifier that voltage provided by the invention exports outwardly；
Fig. 4 is the vertical view for the rectifier that voltage provided by the invention exports outwardly；
Fig. 5 is the rectifier view after Fig. 4 overturnings 180 degree provided by the invention；
Fig. 6 is the three-dimensional view for the positive plate that voltage provided by the invention exports upward；
Fig. 7 is the positive plate view after Fig. 6 overturnings 180 degree provided by the invention；
Fig. 8 is the topology view for the rectifier that voltage provided by the invention exports upward；
Fig. 9 is the vertical view for the rectifier that voltage provided by the invention exports upward；
Figure 10 is the rectifier view after Fig. 9 overturnings 180 degree provided by the invention；
Figure 11 is the topology view of rectifier supporting rack provided by the invention；
In the accompanying drawings, the concrete meaning of each label is as follows：
1：Positive diode；2：Positive plate；3：Felt pad；4：Supporting rack；5：Heat emission hole；6：Through-hole；7：Long cooling fin；8：It is short
Cooling fin；9：Mold insert；10：Voltage output port outwardly；11：Voltage output port upward.
Specific implementation mode
In conjunction with attached drawing, detailed elaboration is made to specific embodiments of the present invention.
Join shown in Fig. 1-Fig. 2, Fig. 1 and Fig. 2 is the topology view of positive plate；The positive plate that Fig. 1 or Fig. 2 is provided is equipped with
Cooling fin and heat emission hole 5；Cooling fin includes long cooling fin 7 and short cooling fin 8, and long cooling fin 7 and short cooling fin 8 are protrusion
Dentalation, long cooling fin 7 are radially extended since 2 radially inward edge of positive plate, extend radially to the periphery of positive plate 2, and
Edge Distance with positive plate 2 is 3mm-15mm；Short cooling fin 8 is radially extended since 2 radially inward edge of positive plate, is radially prolonged
The periphery of positive diode 1 is extended to, and is 1mm-10mm with the Edge Distance of positive diode 1；A large amount of hole is additionally provided on positive plate 2
The heat emission hole 5 that diameter differs, heat emission hole 5 are distributed between long cooling fin 7 and short cooling fin 8, and are distributed on long cooling fin 7.
Shown in Fig. 3-Fig. 5, Fig. 3 is the topology view for the rectifier that voltage provided by the invention exports outwardly；Fig. 4 is this hair
The vertical view for the rectifier that the voltage of bright offer exports outwardly；Fig. 5 is the rectifier after Fig. 4 overturnings 180 degree provided by the invention
View；Wherein, rectifier includes positive diode 1, positive plate 2, felt pad 3, supporting rack 4；Wherein, it is additionally provided with just on positive plate 2
Diode fastener hole；Positive diode 1 is fixed on by positive diode fastener hole on positive plate 2；Felt pad 3 is set to supporting rack 4
The back side；Supporting rack 4 is set to the upper surface of positive plate 2, and is bolted to connection；Voltage output port is additionally provided on positive plate 2
10, and voltage output is using the mode exported outwardly.
Fig. 6 to Figure 10 is the structural schematic diagram of positive plate and rectifier that voltage provided by the invention exports upward.Wherein
Fig. 6 to Fig. 7 is the topology view of positive plate；The positive plate that Fig. 5 or Fig. 7 is provided is equipped with cooling fin and heat emission hole 5；Cooling fin
Including long cooling fin 7 and short cooling fin 8, long cooling fin 7 and short cooling fin 8 are the dentalation of protrusion, and long cooling fin 7 is from just
2 radially inward edge of pole plate starts to radially extend, and extends radially to the periphery of positive plate 2, and be with the Edge Distance of positive plate 2
3mm-15mm；Short cooling fin 8 is radially extended since 2 radially inward edge of positive plate, extends radially to the periphery of positive diode 1,
And with the Edge Distance of positive diode 1 be 1mm-10mm；It is additionally provided with the heat emission hole 5 to differ in a large amount of aperture on positive plate 2, radiates
Hole 5 is distributed between long cooling fin 7 and short cooling fin 8, and is distributed on long cooling fin 7.
Shown in Fig. 8-Figure 10, Fig. 8 is the topology view for the rectifier that voltage provided by the invention exports upward；Fig. 9 is this
The vertical view for the rectifier that the voltage that invention provides exports upward；Figure 10 is the rectification after Fig. 9 overturnings 180 degree provided by the invention
Device view；Wherein, rectifier includes positive diode 1, positive plate 2, felt pad 3, supporting rack 4；Wherein, it is additionally provided on positive plate 2
Positive diode fastener hole；Positive diode 1 is fixed on by positive diode fastener hole on positive plate 2；Felt pad 3 is set to supporting rack 4
The back side；Supporting rack 4 is set to the upper surface of positive plate 2, and is bolted to connection；It is additionally provided with voltage output end on positive plate 2
Mouth 10, and voltage output is using the mode exported upward.
Shown in Figure 11, Figure 11 is the structural schematic diagram of supporting rack, and supporting rack 4 is equipped with through-hole 6, supporting rack 4 and positive plate 2
When installation, through-hole 6 is staggeredly arranged with heat emission hole 5, cooling fin；The side of supporting rack 4 is additionally provided with several mold inserts 9.
A series of detailed description described above is illustrated only for feasible embodiment of the invention,
They are not to limit the scope of the invention, in the knowledge that the technical field those of ordinary skill has
Interior, the various change made without departing from the purpose of the present invention all belongs to the scope of protection of the present invention.
Claims (5)
1. a kind of auto rectifier, including several positive diodes, positive plate, several felt pads and supporting rack；Its feature exists
In each positive diode is fixed on the positive plate；The positive plate is equipped with a large amount of cooling fin, the cooling fin
Including long cooling fin and short cooling fin, the shape of the long cooling fin and short cooling fin is the dentalation of protrusion, the length
Cooling fin is radially extended since positive plate inward flange, and extends to the periphery of positive plate, and is with the Edge Distance of positive plate
6-8mm；The short cooling fin is radially extended since positive plate inward flange, and extends to the periphery of positive diode, and with positive two
The Edge Distance of pole pipe is 4-6mm；Support frame as described above front is set to the upper surface of described positive plate, and is bolted to connection；
The back side of support frame as described above is equipped with several felt pads, and the cooling fin on positive plate radiates with cathode when for installing rectifier
Piece separates；The quantity of the positive diode is 3, and each felt pad is set between the positive diode；
The auto rectifier further includes voltage output port, and the voltage output port is set on the positive plate；The electricity
The way of output of pressure output port includes the voltage way of output and the voltage way of output upward outwardly.
2. auto rectifier as described in claim 1, which is characterized in that the positive plate is equipped with corresponding with positive diode
Positive diode fastener hole.
3. auto rectifier as described in claim 1, which is characterized in that be additionally provided with several pore sizes on the positive plate
The heat emission hole to differ, the heat emission hole are distributed between the long cooling fin and short cooling fin and on the long cooling fin.
4. auto rectifier as described in claim 1, which is characterized in that support frame as described above is equipped with through-hole, support frame as described above
When being installed with the positive plate, the through-hole is staggeredly arranged with the heat emission hole, cooling fin.
5. auto rectifier as described in claim 1, which is characterized in that the side of support frame as described above is equipped with several mold inserts,
The way of output of output port includes the voltage way of output and the voltage way of output upward outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207306.8A CN106787825B (en) | 2017-03-31 | 2017-03-31 | A kind of auto rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207306.8A CN106787825B (en) | 2017-03-31 | 2017-03-31 | A kind of auto rectifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787825A CN106787825A (en) | 2017-05-31 |
| CN106787825B true CN106787825B (en) | 2018-07-24 |
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ID=58965819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710207306.8A Active CN106787825B (en) | 2017-03-31 | 2017-03-31 | A kind of auto rectifier |
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| Country | Link |
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| CN (1) | CN106787825B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114649144B (en) * | 2022-04-01 | 2022-10-21 | 江苏建威电子科技有限公司 | Capacitor fixing structure of automobile generator rectifier |
| CN116345801B (en) * | 2023-04-06 | 2023-10-27 | 江苏绿能汽配科技有限公司 | Rectifier bridge support of automobile generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645062A (en) * | 1979-09-07 | 1981-04-24 | Bosch Gmbh Robert | Rectifier unit |
| DE4439863A1 (en) * | 1994-11-08 | 1996-05-09 | Bosch Gmbh Robert | Rectifier for three=phase alternator of motor vehicle |
| CN1462501A (en) * | 2001-05-15 | 2003-12-17 | 瓦莱奥电机设备公司 | Rotating electrical machine, in particular alternator for motor vehicle |
| CN203645563U (en) * | 2014-01-13 | 2014-06-11 | 瑞安市日正汽车部件有限公司 | Vehicle rectifier bridge |
| CN205986652U (en) * | 2016-08-31 | 2017-02-22 | 锦州东佑精工有限公司 | Automobile -used alternator 72 groove rectifier bridge |
-
2017
- 2017-03-31 CN CN201710207306.8A patent/CN106787825B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645062A (en) * | 1979-09-07 | 1981-04-24 | Bosch Gmbh Robert | Rectifier unit |
| DE4439863A1 (en) * | 1994-11-08 | 1996-05-09 | Bosch Gmbh Robert | Rectifier for three=phase alternator of motor vehicle |
| CN1462501A (en) * | 2001-05-15 | 2003-12-17 | 瓦莱奥电机设备公司 | Rotating electrical machine, in particular alternator for motor vehicle |
| CN203645563U (en) * | 2014-01-13 | 2014-06-11 | 瑞安市日正汽车部件有限公司 | Vehicle rectifier bridge |
| CN205986652U (en) * | 2016-08-31 | 2017-02-22 | 锦州东佑精工有限公司 | Automobile -used alternator 72 groove rectifier bridge |
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| Publication number | Publication date |
|---|---|
| CN106787825A (en) | 2017-05-31 |
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