CN206673734U - A kind of generator's cover and alternating current generator - Google Patents
A kind of generator's cover and alternating current generator Download PDFInfo
- Publication number
- CN206673734U CN206673734U CN201720462159.4U CN201720462159U CN206673734U CN 206673734 U CN206673734 U CN 206673734U CN 201720462159 U CN201720462159 U CN 201720462159U CN 206673734 U CN206673734 U CN 206673734U
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- generator
- side wall
- reinforcement
- end cap
- cover
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Abstract
The utility model discloses a kind of generator's cover and alternating current generator, is related to passenger car alternative electric generation machine technology field.The generator's cover includes bottom plate and side wall, and the centre of bottom plate is provided with centre bore, and centre bore is to being provided with some Y-shaped reinforcements between side wall；Y-shaped reinforcement includes one and the cage bar being connected on the outside of centre bore and two branch muscle extended to side wall；Some air vents are provided between adjacent Y-shaped reinforcement, heat emission hole is provided between two branch muscle of same Y-shaped reinforcement.The utility model optimizes end cover structure, improves the stiffening effect of reinforcement, add the overall construction intensity of end cap by setting Y-shaped reinforcement on end cap；By setting air vent and heat emission hole, cooling air-flow is effectively passed through stator core, improve the radiating efficiency and service life of generator；Meanwhile material is saved, end cap weight is alleviated, improves the generating efficiency of generator, and plays certain Noise Reduction.
Description
Technical field
It the utility model is related to passenger car alternative electric generation machine technology field, more particularly to a kind of generator's cover and exchange hair
Motor.
Background technology
In the car, the effect of alternating current generator is that some mechanical of engine can be transformed into electric energy, so as to be automobile
Electrical equipment and battery be powered.The both ends of existing vehicle alternator are typically provided with end cap, are supported for fixed
The internals of generator, and with functions such as protection, radiating, dust protections.Because vehicle alternator is typically mounted on hair
Near motivation, its operating ambient temperature is higher, and therefore, generator is in the process of running, it is necessary to strengthens radiating and cooling capacity.So
And current generator's cover thickness is larger, electric motor end cap is not only resulted in and consumes substantial amounts of raw material in process of production, increase
Generator weight and production cost are added, and thicker end cap directly affects the radiating effect of generator, have a strong impact on hair
The service life of motor.In order to improve the heat dissipating state of above-mentioned generator, the end cap of generator is arranged to thin-walled by Ye You producers
Structure, but this causes the intensity of end cap relatively low, is easily deformed or loosens in transport or installation process, it is good so as to play
Good cooling effect, reduce the service life of generator.
Utility model content
Based on described above, the utility model provides a kind of generator's cover and has its alternating current generator, with solution
The problem of existing alternator end cover low intensity, weak heat-dissipating, big overall weight.
To use following technical scheme up to this purpose, the utility model：
A kind of generator's cover, including bottom plate and side wall, the centre of the bottom plate are provided with centre bore, the centre bore to institute
State and be provided with some Y-shaped reinforcements between side wall；The Y-shaped reinforcement includes one and the master being connected on the outside of the centre bore
Muscle and two branch muscle extended to the side wall；Some air vents, same Y-shaped are provided between the adjacent Y-shaped reinforcement
Heat emission hole is provided between two branch muscle of reinforcement.
Preferably, the outside of the centre bore is provided with interior girth sheets, the periphery of the bottom plate is provided with outer girth sheets, " Y "
The cage bar of type reinforcement is arranged between the interior girth sheets and outer girth sheets, and the branch muscle of the Y-shaped reinforcement is arranged at outside described
Between girth sheets and side wall.
Preferably, the air vent includes the first air vent and the second air vent；First air vent is arranged at institute
State between interior girth sheets and outer girth sheets, second air vent is arranged between the outer girth sheets and side wall.
Preferably, being additionally provided with bottom reinforcement in first air vent, side is provided with second air vent
Portion's reinforcement.
Preferably, the sidepiece reinforcement is set along sidewall slope certain angle.
Preferably, the face that the heat emission hole intersects with side wall is provided with screwed hole, for by bolt by drive end bearing bracket with
Rear end cap is fixed.
Preferably, opened up in the cage bar of the Y-shaped reinforcement it is fluted, for the thickness of main ribs to be thinned.
Preferably, the generator end, which covers, is evenly arranged with four Y-shaped reinforcements, four Y-shapeds are strengthened
Muscle is in crossing distribution.
Preferably, being connected with fixed feet in the side wall, the bottom of the fixed feet offers fixed feet hole, for inciting somebody to action
Generator is fixed in automobile engine.
A kind of alternating current generator, including the drive end bearing bracket and rear end cap being fixedly connected, shape between the drive end bearing bracket and rear end cap
Into an installing space, for installing rotor and stator, the drive end bearing bracket and/or the rear end cap use generator end described above
Lid.
The beneficial effects of the utility model are：
The utility model optimizes end cover structure, improves adding for reinforcement by setting Y-shaped reinforcement on end cap
Potent fruit, add the overall construction intensity of end cap；By setting the air vent and heat emission hole corresponding with Y-shaped reinforcement,
Cooling air-flow is effectively passed through stator core, reduce the temperature of stator winding, improve the ventilation effect of generator,
Improve the radiating efficiency and service life of generator；Meanwhile the utility model is saved by setting multiple openings on end cap
Material, alleviates end cap weight, improves the generating efficiency of generator, and play certain Noise Reduction.
Brief description of the drawings
, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the structure chart of generator's cover provided by the utility model.
In figure：
1- bottom plates；11- centre bores；Girth sheets in 12-；The outer girth sheets of 13-；2- side walls；3- Y-shaped reinforcements；31- cage bars；
311- grooves；32- branch muscle；4- air vents；The air vents of 41- first；The air vents of 42- second；5- heat emission holes；6- bottom reinforcements；
7- sidepiece reinforcements；8- screwed holes；9- fixed feets；91- fixed feets hole.
Embodiment
It is clearer for the technical scheme and the technique effect that reaches that make technical problem that the utility model solves, use,
The technical scheme of the utility model embodiment is described in further detail below in conjunction with accompanying drawing, it is clear that described reality
It is only the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model,
The every other embodiment that those skilled in the art are obtained under the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
As shown in figure 1, the present embodiment provides a kind of preferable generator's cover, for AC generator for vehicle.The generating
Generator terminal lid includes the bottom plate 1 of structure in the form of annular discs and the side wall 2 of structure, the centre of bottom plate 1 are provided with centre bore 11 in a ring, uses
In the rotating shaft of installation rotor；The outside of centre bore 11 between side wall 2 to being evenly spaced apart to be provided with some Y-shaped reinforcements 3.Should
Y-shaped reinforcement 3 includes a cage bar 31 being connected with the outside of centre bore 11 and two branch muscle 32 extended to side wall 2.Here,
Because the width of cage bar 31 is larger, it is connected to the outside of centre bore 11, greatly strengthen the bulk strength of end cap；And branch muscle 32
The structure of bottom plate 1 and the junction of side wall 2 has then been well adapted for, has played a part of further strengthening support.Meanwhile the present embodiment
In be additionally provided with some air vents 4 between adjacent Y-shaped reinforcement 3, the structure effectively increases the ventilation on bottom plate 1, strengthens
The cooling capacity of end cap；And be additionally provided with heat emission hole 5 between two branch muscle 32 of same Y-shaped reinforcement 3, this set into
One step adds the area of dissipation of end cap, accelerates air flow, generator operation temperature is substantially reduced.Above-mentioned heat emission hole 5
Screwed hole 8 is additionally provided with the face intersected with side wall 2, for fixing the drive end bearing bracket of generator with rear end cap by bolt.
To sum up, the utility model optimizes end cover structure, improves reinforcement by setting Y-shaped reinforcement 3 on end cap
The stiffening effect of muscle, add the overall construction intensity of end cap；By set the air vent 4 corresponding with Y-shaped reinforcement 3 and
Heat emission hole 5, enables cooling air-flow to effectively pass through stator core, reduces the temperature of stator winding, improves generator
Ventilation effect, improve the radiating efficiency and service life of generator；Meanwhile the utility model is multiple by being set on end cap
Opening, saves material, alleviates end cap weight, improve the generating efficiency of generator, and play certain Noise Reduction.
Specifically, the outside of centre bore 11 of the present utility model is installed with interior girth sheets 12, and the edge of bottom plate 1 is provided with outer ring
Plate 13, the cage bar 31 of above-mentioned Y-shaped reinforcement 3 is arranged between interior girth sheets 12 and outer girth sheets 13, so as to fully ensure that inner ring
The connection reliability of plate 12 and outer girth sheets 13, adds end cover structure intensity；And the branch muscle 32 of Y-shaped reinforcement 3 is arranged at outside
Between girth sheets 13 and side wall 2, the demand of its bonding strength is not only met, and due to the distribution uniform of branch muscle 32, make end
Lid have be better balanced, stability.
Preferably, above-mentioned air vent 4 includes the first air vent 41 and the second air vent 42, wherein the first air vent 41 is set
It is placed between interior girth sheets 12 and outer girth sheets 13, specifically, some bottom reinforcements 6 can be uniformly arranged in the first air vent 41,
So that the first air vent 41 to be divided for some less bottom vents, can play a part of increasing structural strength；Second air vent
42 are arranged between outer girth sheets 13 and side wall 2, specifically, can be uniformly arranged according to radiating requirements in the second air vent 42 some
Sidepiece reinforcement 7, the second air vent 42 is divided into some less sidepiece air vents, equally plays and strengthen end cover structure
Effect.
Preferably, above-mentioned sidepiece reinforcement 7 tilts certain angle along side wall 2, the setting makes cooling air-flow by the
Steering is more gentle during two air vents 42, avoids the collision of cooling air-flow and sidepiece reinforcement 7, reduces the pressure loss, has
Effect improves cooling effect, and greatly reduces wind and make an uproar.Groove 311 is further opened with the cage bar 31 of above-mentioned Y-shaped reinforcement 3,
For the thickness of cage bar 31 to be thinned.The setting of the groove 311, on the premise of end cap intensity is ensured, while reduce material
Use, reduce production cost；And groove 311 reduces the thickness of Y-shaped reinforcement 3, end cover surface product is increased, favorably
Outwards distributed in generator heat, improve the radiating efficiency of generator, so as to ensure the service life of generator.
Preferably, in the present embodiment, generator end, which covers, is evenly arranged with four Y-shaped reinforcements 3, aforementioned four " Y "
Type reinforcement 3 is in crossing distribution, ensure that the symmetrical and degree of balance in structure.Two fixations are connected with the side wall 2 of end cap
Pin 9, the bottom of fixed feet 9 offers fixed feet hole 91, for generator to be fixed on to the engine of automobile.It is more highly preferred to
Ground, the generator's cover that the present embodiment provides is integral type structure, and shaping can be integrally machined by casting technique, thus is reduced
Manufacturing procedure, be advantageous to the batch production of end cap.
The utility model also provides a kind of alternating current generator, and it includes the drive end bearing bracket being fixedly connected and rear end cap, wherein before
End cap is drive end, and for being connected with automobile engine, rear end cap is output end, is connected for the rectifier bridge with generator.On
Drive end bearing bracket is stated with after rear end cap installation, an accommodation space being formed, for installing rotor and stator.In the utility model, on
The both ends for stating accommodation space internal rotor are respectively fixed with a fan, can be rotated with the rotation of rotor.Above-mentioned alternating current generator
Drive end bearing bracket and/or rear end cap use the structure and fan of generator's cover provided by the utility model, thereon Y-shaped reinforcement 3
Structure be adapted, improve the radiating efficiency of fan.Further, forced axle is installed in the centre bore of above-mentioned drive end bearing bracket
Hold, for installing one end of armature spindle, the setting make the structure of generator it is more stable, dismounting it is more convenient.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (10)
1. a kind of generator's cover, including bottom plate (1) and side wall (2), it is characterised in that during the centre of the bottom plate (1) is provided with
Heart hole (11), the centre bore (11) are provided with some Y-shaped reinforcements (3) between arriving the side wall (2)；The Y-shaped is strengthened
Muscle (3) includes one and the cage bar (31) being connected on the outside of the centre bore (11) and two branch muscle extended to the side wall (2)
(32)；Some air vents (4), two branch muscle of same Y-shaped reinforcement (3) are provided between the adjacent Y-shaped reinforcement (3)
(32) heat emission hole (5) is provided between.
2. generator's cover according to claim 1, it is characterised in that the outside of the centre bore (11) is provided with interior girth sheets
(12), the periphery of the bottom plate (1) is provided with outer girth sheets (13), and the cage bar (31) of the Y-shaped reinforcement (3) is arranged in described
Between girth sheets (12) and outer girth sheets (13), the branch muscle (32) of the Y-shaped reinforcement (3) is arranged at the outer girth sheets (13) and side
Between wall (2).
3. generator's cover according to claim 2, it is characterised in that the air vent (4) includes the first air vent
And the second air vent (42) (41)；First air vent (41) is arranged between the interior girth sheets (12) and outer girth sheets (13),
Second air vent (42) is arranged between the outer girth sheets (13) and side wall (2).
4. generator's cover according to claim 3, it is characterised in that be additionally provided with bottom in first air vent (41)
Portion's reinforcement (6), second air vent (42) is interior to be provided with sidepiece reinforcement (7).
5. generator's cover according to claim 4, it is characterised in that the sidepiece reinforcement (7) tilts along side wall (2)
Certain angle is set.
6. according to the generator's cover described in claim any one of 1-5, it is characterised in that the heat emission hole (5) and side wall (2)
Intersecting face is provided with screwed hole (8), for being fixed drive end bearing bracket and rear end cap by bolt.
7. according to the generator's cover described in claim any one of 1-5, it is characterised in that the master of the Y-shaped reinforcement (3)
Fluted (311) are opened up on muscle (31), for the thickness of main ribs (31) to be thinned.
8. according to the generator's cover described in claim any one of 1-5, it is characterised in that the generator end, which covers, uniformly to be set
Four Y-shaped reinforcements (3) are equipped with, four Y-shaped reinforcements (3) are in crossing distribution.
9. generator's cover according to claim 8, it is characterised in that fixed feet (9) is connected with the side wall (2),
The bottom of the fixed feet (9) offers fixed feet hole (91), for generator to be fixed on into automobile engine.
10. a kind of alternating current generator, including the drive end bearing bracket and rear end cap being fixedly connected, are formed between the drive end bearing bracket and rear end cap
One installing space, for installing rotor and stator, it is characterised in that the drive end bearing bracket and/or the rear end cap use such as right
It is required that the generator's cover described in any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462159.4U CN206673734U (en) | 2017-04-28 | 2017-04-28 | A kind of generator's cover and alternating current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462159.4U CN206673734U (en) | 2017-04-28 | 2017-04-28 | A kind of generator's cover and alternating current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673734U true CN206673734U (en) | 2017-11-24 |
Family
ID=60370995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720462159.4U Active CN206673734U (en) | 2017-04-28 | 2017-04-28 | A kind of generator's cover and alternating current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673734U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149840A (en) * | 2018-10-25 | 2019-01-04 | 珠海英搏尔电气股份有限公司 | A kind of automobile drive motor and its casing |
| CN112332589A (en) * | 2020-10-22 | 2021-02-05 | 浙江科宁电机有限公司 | Inner rotor motor capable of effectively preventing temperature rise |
| CN114080746A (en) * | 2019-07-02 | 2022-02-22 | 本田技研工业株式会社 | Rotary motor casing |
| EP3972091A1 (en) * | 2020-09-18 | 2022-03-23 | Valeo Siemens eAutomotive Germany GmbH | Housing for an electric machine, electric machine and vehicle with an electric machine |
-
2017
- 2017-04-28 CN CN201720462159.4U patent/CN206673734U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149840A (en) * | 2018-10-25 | 2019-01-04 | 珠海英搏尔电气股份有限公司 | A kind of automobile drive motor and its casing |
| CN109149840B (en) * | 2018-10-25 | 2024-02-27 | 珠海英搏尔电气股份有限公司 | Driving motor for vehicle and shell thereof |
| CN114080746A (en) * | 2019-07-02 | 2022-02-22 | 本田技研工业株式会社 | Rotary motor casing |
| EP3972091A1 (en) * | 2020-09-18 | 2022-03-23 | Valeo Siemens eAutomotive Germany GmbH | Housing for an electric machine, electric machine and vehicle with an electric machine |
| CN112332589A (en) * | 2020-10-22 | 2021-02-05 | 浙江科宁电机有限公司 | Inner rotor motor capable of effectively preventing temperature rise |
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