CN1091319C - AC. generator for vehicle - Google Patents
AC. generator for vehicle Download PDFInfo
- Publication number
- CN1091319C CN1091319C CN99101824A CN99101824A CN1091319C CN 1091319 C CN1091319 C CN 1091319C CN 99101824 A CN99101824 A CN 99101824A CN 99101824 A CN99101824 A CN 99101824A CN 1091319 C CN1091319 C CN 1091319C
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- Prior art keywords
- rectifier
- accommodation section
- blade
- bracket
- tail
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- Synchronous Machinery (AREA)
Abstract
The present invention relates to an AC generator for vehicles. A flat protrusion surface which keeps away a voltage adjuster, a connector part and a rectifier, keeps certain space with a vane and is opposite to the trace of the vane is arranged on a back bracket, flat surfaces which are approximately on the same plane with the protrusion surface and are opposite to the trace of the vane are respectively formed at an electric brush containing part and the connector part, partition boards provided with the flat surfaces approximately on the same plane with the protrusion surface are respectively fastened on a bruch handle and the rectifier by installing screws so as to cover a circuit containing part and the part of the rectifier, the part of the rectifier is opposite to the trace of the vane, and then the approximately circular ring-shaped flat opposite surfaces of the vane are formed. The present invention can enhance cooling efficiency and reduce friction air sound.
Description
Technical field
The present invention relates to have the vehicle-mounted dlternator of your (ラ Application De Le) the formula rotor of Landor that is installed on the vehicle motor, relating in particular to have eliminated influences the concavo-convex blade opposite face structure of the blade of cooling effectiveness and antitriptic wind sound opposite face.
Background technology
Fig. 8 is the cutaway view of conventional truck with alternating current generator.
Traditional vehicle-mounted dlternator as shown in Figure 8, Landor your formula rotor 7 is through rotating shafts 6 and rotation is installed in the housing that front rack 1 and tail-bracket 2 by aluminum constitute freely, stator 8 is fixed on the housing with the state that covers rotor 7 peripheries.
Rotating shaft 6 is rotated freely and is supporting by being supported on bearing 3 and 4 on front rack 1 and the tail-bracket 2.End at this rotating shaft 6 is fixed with belt pulley 5, and the torque of engine is passed to rotating shaft 6 by belt (not shown).
Be fixed on the other end of rotating shaft 6 to the collecting ring 9 of rotor 7 supplying electric currents, brush 10 is contained in the brush carrier 11 that is located in the housing with the state with these collecting ring 9 sliding contacts.In addition, the voltage regulator 18 that the size of the alternating voltage that produces with stator 8 is regulated is bonding with the radiator 17 that is embedded on the brush carrier 11.And will be electrically connected with stator 8 and be that the rectifier 12 of direct current is loaded in the housing with the AC rectification that stator 8 produces.
The conventional truck of said structure with alternating current generator on, electric current is supplied with rotor coil 13 and is produced magnetic flux through brush 10 and collecting ring 9 from storage battery (not shown).By this magnetic flux, the claw-type pole 20a of a field core 20 is magnetized to the N utmost point, and the claw-type pole 21a of another field core 21 is magnetized to the S utmost point.On the other hand, the torque of engine passes to rotating shaft 6 through belt and belt pulley 5, makes rotor 7 rotations.
So just on stator coil 15, apply rotating magnetic field, make on the stator coil 15 and produce electromotive force.The electromotive force of this interchange is rectified into direct current after by rectifier 12, and its size is regulated and is recharged in storage battery by voltage regulator 18 simultaneously.
And in the front side, because the rotation of fan 16, cooling air flows into from the suction hole 1a of front rack 1, discharges to the outside from steam vent 1b after with bearing 3, field core 20, rotor coil 13, stator core 14 and stator coil 15 coolings.On the other hand, at rear side, because the rotation of fan 16, cooling air flows into from the suction hole 2a of tail-bracket 2, discharges to the outside from steam vent 2b after with bearing 4, voltage regulator 18, rectifier 12, field core 21, rotor coil 13, stator core 14 and stator coil 15 coolings.
The conventional truck of said structure with alternating current generator on, the inside components of the rear side relative with blade 16b is uneven, when fan 16 rotations, blade 16b just disturbs with the concavo-convex of inside components, cooling air can not be flowed smoothly, cause cooling effectiveness to reduce, also can increase antitriptic wind sound simultaneously.
In order to address the above problem, the Japanese Utility Model bulletin discloses a kind of method 1992-36220 number, as shown in figure 10, be the projecting surface 2c that between part setting of not establishing rectifier 12 and brush carrier 11 on the tail-bracket 2 and blade 16b, has certain interval, to be roughly conplane 2 dividing plates 25 and 26 with this projecting surface 2c simultaneously and be fastened on respectively on rectifier 12 and the brush carrier 11, to constitute the tabular surface relative with blade 16b.In this conventional case, because the blade opposite face is tabular surface,, can prevent the cooling effectiveness reduction so when fan 16 rotations, can suppress the mutual interference mutually between blade 16b and air, the while can alleviate antitriptic wind sound.
Here, the track of blade is roughly circular shown in Figure 11 bend, and the face relative with this blade track is called the blade opposite face.In addition, this blade opposite face not only comprises the scope relative one to one with blade 16b, also comprises radial extension to a certain degree.
The conventional truck shown in Japanese Utility Model bulletin 1992-36220 number with alternating current generator on, by dividing plate 25 and 26 partly are set, blocked the concavo-convex of the rear side inside components relative with blade 16b, but aerial lug is being inserted the occasion that connects in the tail-bracket 2, the concavo-convex of connector portion integrally formed on brush carrier 11 still can face toward blade 16b, makes the blade opposite face can not form tabular surface.The result is that when fan 16 rotations, the concavo-convex generation of blade 16b and connector portion is disturbed, and causes cooling effectiveness to reduce, and also can produce antitriptic wind sound simultaneously.
In addition, for the ease of the insertion of aerial lug, be located at the insertion mouth of the aerial lug on the tail-bracket 2 and leave surplus, so cooling air can be from aerial lug and the gap between inserting mouthful flow out, or produce useless cooling air air-flow, cause cooling effectiveness to reduce.
Summary of the invention
The present invention is just in order to address the above problem, purpose be to provide a kind of eliminate connector portion integrally formed on the brush carrier concavo-convex, make the face relative with blade be tabular surface, the phase mutual interference that can suppress blade and air and suppress cooling air from aerial lug with insert mouthful between the gap outflow, can improve the vehicle-mounted dlternator that cooling effectiveness reduces antitriptic wind sound simultaneously.
Vehicle-mounted dlternator of the present invention is provided with: a pair of field core that will have a plurality of claw-type poles that are provided with at the peripheral edge portion protrusion is fixed on the rotor that forms on the rotating shaft axle; Hold above-mentioned rotor and rotation and support the front rack and the tail-bracket of above-mentioned rotating shaft freely; Be fixed on stator on above-mentioned two carriages with the state that surrounds above-mentioned a pair of field core periphery; A plurality of blades along the circumferential direction are set and are separately fixed at a pair of fan on the axial both ends of the surface of above-mentioned a pair of field core at peripheral edge portion; Integrally formed brush accommodation section, circuit accommodation section and connector portion and above-mentioned brush accommodation section is fastened on brush carrier on the above-mentioned tail-bracket facing to above-mentioned rotor with mounting screw; Be contained in the voltage regulator in the foregoing circuit accommodation section; Be anchored on the above-mentioned tail-bracket and across the above-mentioned rotating shaft rectifier relative with mounting screw with above-mentioned brush carrier, be characterized in, avoid above-mentioned voltage regulator, the setting area of above-mentioned connector portion and above-mentioned rectifier and between part setting relative on the above-mentioned tail-bracket and above-mentioned blade, have the smooth projecting surface of certain intervals with the blade track of said fans, and the part relative with the blade track of said fans forms with above-mentioned projecting surface and is conplane tabular surface roughly in above-mentioned connector portion, and will have the dividing plate that is roughly conplane tabular surface with above-mentioned projecting surface with above-mentioned mounting screw is anchored on respectively on above-mentioned brush carrier and the above-mentioned rectifier, to cover foregoing circuit accommodation section and the relative part of blade track above-mentioned rectifier and said fans, constitute roughly circular smooth blade opposite face.
Because the present invention adopts said structure,, the cooling effectiveness that can be improved, alleviate the vehicle-mounted dlternator of antitriptic wind sound so can suppress because of the mutual interference mutually between the concavo-convex blade that causes of content and air.
In addition, the head of above-mentioned mounting screw of the present invention forms with above-mentioned projecting surface and is roughly conplane tabular surface.
Because the present invention adopts said structure, thus not because of the head of mounting screw cause concavo-convex, can further improve cooling effectiveness, the reduction antitriptic wind sound.
Description of drawings
Fig. 1 is the cutaway view of the vehicle-mounted dlternator of the invention process form 1.
Fig. 2 is the internal view of rear portion assembly of the vehicle-mounted dlternator of the invention process form 1.
Fig. 3 is the vertical view of brush carrier that is used for the vehicle-mounted dlternator of the invention process form 1.
Fig. 4 is the internal view of tail-bracket that is used for the vehicle-mounted dlternator of the invention process form 1.
Fig. 5 is the vertical view of the 1st dividing plate that is used for the vehicle-mounted dlternator of the invention process form 1.
Fig. 6 is the vertical view of the 2nd dividing plate that is used for the vehicle-mounted dlternator of the invention process form 1.
Fig. 7 is the cutaway view along VII-VII line among Fig. 2.
Fig. 8 is the cutaway view of conventional truck with alternating current generator.
Fig. 9 is used for the stereogram of conventional truck with the another example of fan of alternating current generator.
Figure 10 is the internal view of another conventional truck with the rear portion assembly of generator.
Figure 11 is the figure that sees the rotor on the vehicle-mounted dlternator from rear side.
Embodiment
Below in conjunction with description of drawings example of the present invention.
Example 1
Fig. 1 is the cutaway view of the vehicle-mounted dlternator of the invention process form 1, Fig. 2 is the internal view of rear portion assembly of the vehicle-mounted dlternator of the invention process form 1, Fig. 3 is the vertical view of brush carrier that is used for the vehicle-mounted dlternator of the invention process form 1, Fig. 4 is the internal view of tail-bracket that is used for the vehicle-mounted dlternator of the invention process form 1, Fig. 5 is the vertical view of the 1st dividing plate that is used for the vehicle-mounted dlternator of the invention process form 1, and Fig. 6 is the vertical view of the 2nd dividing plate that is used for the vehicle-mounted dlternator of the invention process form 1.All and Fig. 8 all use same-sign and omission explanation with the identical or suitable part of alternating current generator to conventional truck shown in Figure 11 among the figure.
The vehicle-mounted dlternator of example 1 as shown in Figure 1, Landor your formula rotor 7 is through rotating shafts 6 and rotation is installed in the housing that is made of aluminum front rack 1 and tail-bracket 40 freely, stator 8 is fixed on the housing with the state that covers rotor 7 peripheries.In addition, brush carrier 30 and rectifier 12 are installed on the tail-bracket 40 with the state that surrounds rotating shaft 6.Have again, be fixed on the tail-bracket 40 after the 1st dividing plate 50 and brush carrier 30 are chimeric, be fixed on the tail-bracket 40 after the 2nd dividing plate 51 and rectifier 12 are chimeric.
And, tabular surface 31a, 34a shown in Fig. 3 bend, respectively in brush accommodation section 31 and the part relative of connector portion 34 with the blade track form.In addition, voltage regulator 18 is contained in the circuit accommodation section 33, and brush 10 is contained in the brush portion 31, and the one end stretches out to rotating shaft insertion section 32.The state inserted mode system of plug-in conductor so that voltage regulator 18, aerial lug and connecting terminal are connected arranged again.
Tail-bracket 40 aluminium manufacturing is configured as bowl-shapely, as shown in Figure 4, along the circumferential direction separately is concaved with rectifier accommodation section 41, voltage regulator accommodation section 42 and connector accommodation section 43.In addition, a plurality of suction hole 40a are rectifier accommodation section 41 and voltage regulator accommodation section 42 and external communications, and form a plurality of steam vent 40b at peripheral edge portion, and the insertion mouth 40c of aerial lug 35 is with connector accommodation section 43 and external communications.Have, and the smooth projecting surface 40d that has certain intervals between the blade 16b being shown in Fig. 4 bend, is to avoid rectifier accommodation section 41, voltage regulator accommodation section 42 and connector accommodation section 43 and form in the part relative with the blade track again.
The 1st dividing plate 50 is an insulating resin system, as shown in Figure 5, be configured as roughly circular shape, and have can be with the relative chimeric external diameter shape of state and voltage regulator accommodation section 42 and brush accommodation section 31 partly with the blade track that covers voltage regulator accommodation section 42 and circuit accommodation section 33.In addition, tabular surface 50a is formed at the part relative with the blade track of the 1st dividing plate 50 shown in Fig. 5 bend.
Equally, the 2nd dividing plate 50 also is an insulating resin system, as shown in Figure 6, is configured as roughly circular shape, and have can be with the relative chimeric external diameter shape of state and rectifier accommodation section 41 partly with the blade track that covers rectifier accommodation section 41.In addition, tabular surface 51a is formed at the part relative with the blade track of the 2nd dividing plate 51 shown in Fig. 6 bend.
Here, in order to assemble the rear portion assembly, in the brush accommodation section 31 and circuit accommodation section 33 of the brush carrier 30 of at first brush 10 and voltage regulator 18 will being packed into.Then brush carrier 30 is placed on the tail-bracket 40 with the states that circuit accommodation section 33 and connector portion 34 are contained in voltage regulator accommodation section 42 and the connector accommodation section 43.Again that the 1st dividing plate 50 is chimeric with voltage regulator accommodation section 42 and brush accommodation section 31, and be anchored on the tail-bracket 40 with brush carrier 30 with construction bolt 53.In addition, rectifier 12 is placed in the rectifier accommodation section 41, the 2nd dividing plate 51 and rectifier accommodation section 41 is chimeric, and be anchored on the tail-bracket 40 with rectifier 12 with construction bolt 54, the rear portion assembly is assembled into as shown in Figure 2.In addition, lead-out terminal 55 is pressed into and is fixed on the rectifier 12.
On the rear portion assembly that so assembles, the projecting surface 40d shown in Fig. 2 bend and tabular surface 31a, 34a, 50a, 51a are positioned on the roughly same plane, constitute roughly circular smooth blade opposite face.
In addition, insert for ease of connector 35, the insertion mouth 40c that is located at the aerial lug 35 on the tail-bracket 40 leaves surplus.And inserting mouthful 40c as shown in Figure 7, the tabular surface 34a that is located in the connector portion 34 of brush carrier 30 blocks at the blade track with the projecting surface 40d that is located on the tail-bracket 40.Therefore, can suppress cooling air from aerial lug 35 and insert gap between mouthful 40c and flow out or produce useless cooling air and flow.
On the vehicle-mounted dlternator of said structure, owing to constitute roughly circular smooth blade opposite face, so eliminated in connector portion 34 integrally formed on the brush carrier 30 concavo-convex with the relative position of blade 16b, when fan 16 rotation, the mutual interference mutually of blade 16b and air can not take place again.Its result can suppress to reduce and the generation of antitriptic wind sound because of the cooling effectiveness that causes with blade 16b opposite face concavo-convex.
In addition, the insertion mouth 40c that is located at the aerial lug 35 on the tail-bracket 40 is blocked at the blade track by tabular surface 34a, so can suppress cooling air from aerial lug 35 with insert gap between mouthful 40c and flow out or produce useless cooling air and flow the raising cooling effectiveness.
In addition, because tabular surface 34a and brush carrier 30 are integrally formed, so need not to do significantly change, in addition can be without other parts such as dividing plates, but tabular surface is made at the position relative with the blade track of connector portion 34, and so neither can make assembling complicated, have high-quality again.
Also have, above-mentioned example 1 and undeclared construction bolt 53 and 54 shape, can certainly use the smooth construction bolt of head 53 and 54, and make the head of construction bolt 53 and 54 and projecting surface 40d and tabular surface 31a, 34a, 50a, 51a roughly in the same plane.In this occasion, can eliminate concavo-convex that head because of construction bolt 53 and 54 causes, make the position relative become tabular surface with the blade track, so can further improve cooling effectiveness, reduce antitriptic wind sound.
In addition, also can use the smooth lead-out terminal of head 55, and make the head of lead-out terminal 55 and projecting surface 40d and tabular surface 31a, 34a, 50a, 51a roughly in the same plane.In this occasion, can eliminate concavo-convex that head because of lead-out terminal 55 causes, make the position relative become tabular surface with the blade track, so can further improve cooling effectiveness, reduce antitriptic wind sound.
Claims (2)
1. vehicle-mounted dlternator is provided with: will have a pair of field core that protrudes a plurality of claw-type poles that are provided with at peripheral edge portion and be fixed on the rotor that forms on the rotating shaft axle; Hold described rotor and rotation and support the front rack and the tail-bracket of described rotating shaft freely; Be fixed on stator on described two carriages with the state that surrounds described a pair of field core periphery; A plurality of blades along the circumferential direction are set and are separately fixed at a pair of fan on the axial both ends of the surface of described a pair of field core at peripheral edge portion; Integrally formed brush accommodation section, circuit accommodation section and connector portion and described brush accommodation section is fastened on brush carrier on the described tail-bracket facing to described rotor with mounting screw; Be contained in the voltage regulator in the described circuit accommodation section; Be anchored on the described tail-bracket and across the described rotating shaft rectifier relative with mounting screw with described brush carrier,
It is characterized in that, avoid described voltage regulator, the setting area of described connector portion and described rectifier and between part setting relative on the described tail-bracket and described blade, have the smooth projecting surface of certain intervals with the blade track of described fan, and the part relative with the blade track of described fan forms with described projecting surface and is conplane tabular surface roughly in described connector portion, and will have the dividing plate that is roughly conplane tabular surface with described projecting surface with described mounting screw is anchored on respectively on described brush carrier and the described rectifier, to cover the relative part of blade track described circuit accommodation section and described rectifier and described fan, constitute roughly circular smooth blade opposite face.
2. vehicle-mounted dlternator according to claim 1 is characterized in that, the head of described mounting screw forms with described projecting surface and is roughly conplane tabular surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99101824A CN1091319C (en) | 1999-01-28 | 1999-01-28 | AC. generator for vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99101824A CN1091319C (en) | 1999-01-28 | 1999-01-28 | AC. generator for vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1264206A CN1264206A (en) | 2000-08-23 |
CN1091319C true CN1091319C (en) | 2002-09-18 |
Family
ID=5270636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99101824A Ceased CN1091319C (en) | 1999-01-28 | 1999-01-28 | AC. generator for vehicle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1091319C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101183762B (en) * | 2006-10-10 | 2010-06-02 | 株式会社电装 | Connector with built-in circuit element |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104638997B (en) * | 2013-11-06 | 2018-10-09 | 索恩格汽车部件(中国)有限公司 | Adjuster for generator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0436220U (en) * | 1990-07-24 | 1992-03-26 |
-
1999
- 1999-01-28 CN CN99101824A patent/CN1091319C/en not_active Ceased
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0436220U (en) * | 1990-07-24 | 1992-03-26 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101183762B (en) * | 2006-10-10 | 2010-06-02 | 株式会社电装 | Connector with built-in circuit element |
Also Published As
Publication number | Publication date |
---|---|
CN1264206A (en) | 2000-08-23 |
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SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C35 | Partial or whole invalidation of patent or utility model | ||
IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20040714 Decision number of declaring invalidation: 6241 |