CN102957254B - Generator front housing - Google Patents
Generator front housing Download PDFInfo
- Publication number
- CN102957254B CN102957254B CN201210514366.1A CN201210514366A CN102957254B CN 102957254 B CN102957254 B CN 102957254B CN 201210514366 A CN201210514366 A CN 201210514366A CN 102957254 B CN102957254 B CN 102957254B
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- Prior art keywords
- housing body
- shield
- end housing
- generator
- forms
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- 235000019994 cava Nutrition 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a generator front housing, which comprises a front housing body, and the lower part of the sidewall of the front housing body is outwardly raised to form a cambered raised part; a plurality of louvers are uniformly arranged at intervals on the raised part, and are arranged in parallel and obliquely, and moreover, an exhaust outlet is formed between each two neighboring louvers. The generator front housing enhances air-exhausting and heat-dissipating effects, decreases the temperature rise of a generator, and has the advantages of high strength and novel and attractive appearance.
Description
[technical field]
The present invention relates to a kind of motor accessory, particularly relate to a kind of front end of shield.
[background technology]
The small generator front end housing of existing home or overseas developed country (as Japanese, Italian etc.), its exhaust way generally all arranges many strip exhaust outlets in front end housing arranged on left and right sides position, even all arranges many strip exhaust outlets 112 ' (as shown in Figure 3) at front end housing left and right side and position, three, below; Or at the larger rectangle exhaust outlet of front end housing arranged on left and right sides position setting area, in order to security consideration, and adopt sheet iron punching to become window cover (punching has many apertures to be convenient to air draft onboard), be fixed in (not shown) outside exhaust outlet with screw.There is following shortcoming in said exhaust mode front end of shield structure:
1. exhaust outlet area is large, causes front end housing bulk strength to weaken;
2. air discharging and radiating poor effect, electric machine temperature rise is high, efficiency is low;
3. degree of protection does not reach the requirement of the integrally-built degree of protection of GB GB/T4942.1-2006 electric rotating machine (IP code) classification IP23 wherein " become with plumb line trickle in 60 ° of angular regions should without adverse effect ".The end cap of this structure, water can enter motor internal from both sides exhaust outlet, even causes motor electric leakage or burns.
Front end housing is integral aluminum alloy die casting, front end housing is very important parts in generator, generator and power (internal combustion engine) form generating set by rigid attachment, because front end of shield is in whole generating set position of centre of gravity, and unit is rotating speed higher (2 pole motor speeds are up to 3000 rev/min or 3600 rev/min) at work, there are vibrations; Due to generator, temperature rise is higher at work, and therefore, the position of front end housing exhaust outlet arranges and structural design just seems extremely important, and front end housing must possess sufficient intensity, makes air draft smooth and easy to reduce exhaust resistance.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of front end of shield, improve air discharging and radiating effect, reduce electric machine temperature rise, and it is high to have intensity, the advantage of novel and beautiful appearance.
The present invention solves the problems of the technologies described above by the following technical programs: a kind of front end of shield, comprises a front end housing body, and the lower sidewall of described front end housing body expands outwardly, and forms an arc protuberance, and described protuberance surrounding forms enclosing wall type structure; On described protuberance evenly and be arranged at intervals with a plurality of louvre blade, described a plurality of louvre blade is parallel and be obliquely installed, every described louvre blade all links with described protuberance one, every incline direction of described louvre blade is identical with the direction of rotation of the fan of generator, and often forms an exhaust outlet between adjacent two louvre blades.
Preferably, the front end face of described front end housing body has a full circle seam, and the inside edge place of this full circle seam caves inward, and forms an annular groove.
Preferably, the medial surface of described groove is equipped with a reinforcing rib ring.
Preferably, the front end face of described front end housing body is provided with four screw holes.
Preferably, be often d between adjacent two louvre blades, and 8≤d≤11mm.
Preferably, on the sidewall of described front end housing body and corresponding to the rearward end place of this front end housing body, be provided with four extension angles, and described four three the extension angles hung in angles are respectively equipped with reinforcement rib, often this extension angle are equipped with an extension corner apertures.
Beneficial effect of the present invention is:
1, the fan of generator is in High Rotation Speed, easily negative pressure is produced in front end housing, improve air draft pressure, the cooling-air entered by commutator end bearing support bracket or back cover air inlet, accelerate along space axial flow between generator stator, rotor to the flow velocity of front end housing, air draft is more smooth and easy, improves result of ventilating heat dissipation, substantially increases electric efficiency;
2, improve the intensity of front end housing;
3, improve degree of protection.
[accompanying drawing explanation]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the front view of a kind of front end of shield of the present invention.
Fig. 2 is the rearview of a kind of front end of shield of the present invention.
Fig. 3 is the structural representation of existing front end of shield.
[embodiment]
Refer to Fig. 1-2, a kind of front end of shield, comprise a front end housing body 1, the lower sidewall of described front end housing body 1 expands outwardly, and forms an arc protuberance 11, and described protuberance 11 surrounding forms enclosing wall type structure; On described protuberance 11 evenly and be arranged at intervals with a plurality of louvre blade 111, described a plurality of louvre blade 111 is parallel and be obliquely installed, every described louvre blade 111 all links with described protuberance 11 one, and often form an exhaust outlet 112 between adjacent two louvre blades 111, design like this, make generator air draft smooth and easy, improve the result of ventilating heat dissipation of motor internal, reduce electric machine temperature rise; Because exhaust outlet 112 is arranged on bottom, and surrounding is provided with enclosing wall type structure, for the trickle become with plumb line in 60 ° of angular regions, water also cannot enter front end housing inside, spacing≤the 11mm of adjacent two louvre blades 111, solid foreign materials diameter being greater than to 12mm cannot enter inside, reaches degree of protection IP23 requirement; And enhance the intensity of sidewall around front end housing.Every incline direction of described louvre blade 111 is identical with the direction of rotation of the fan of generator, transfers to outside quickly to make the heat of generator.Be often d between adjacent two louvre blades 111, and 8≤d≤11mm, reach effective maximum air draft area to make exhaust outlet 112.
Referring again to Fig. 1-2, the front end face of described front end housing body 1 has a full circle seam 12, and the inside edge place of this full circle seam 12 caves inward, and forms an annular groove 121, make the leading section of front end housing and internal combustion engine (not shown) easy to connect, axis and radial location accurate; The medial surface of described groove 121 is equipped with a reinforcing rib ring 122, makes the leading section of front end housing have sufficient intensity.The front end face of described front end housing body 1 is provided with four screw holes 13, for passing for bolt (not shown), realizes being fixedly connected with of front end housing and internal combustion engine.
Referring again to Fig. 1-2, four extension angles 14 are provided with on the sidewall of described front end housing body 1 and corresponding to the rearward end place of this front end housing body 1, and described four three the extension angles 14 hung in angle 14 are respectively equipped with reinforcement rib 15, often this extension angle 14 is equipped with an extension corner apertures 141, the setting strengthening rib 15 improves hangs angle 14 intensity.The rearward end of described front end housing body 1 is provided with an inner stopper 16, the axial and radial accurately location for stator core (not shown).
To sum up, the present invention has the following advantages:
1, the fan (not shown) of generator is in High Rotation Speed, easily negative pressure is produced in front end housing, improve air draft pressure, the cooling-air entered by commutator end bearing support bracket (not shown) or back cover (not shown) air inlet, accelerate along space axial flow between generator stator, rotor (not shown) to the flow velocity of front end housing, air draft is more smooth and easy, improve result of ventilating heat dissipation, the temperature rise ratio of generator uses existing front end housing to reduce 6 ~ 13%, substantially increases electric efficiency;
2, improve the intensity of front end housing, novel and beautiful appearance.
3, the integrally-built degree of protection of GB GB/T4942.1-2006 electric rotating machine (IP code) classification IP23 requirement is reached.
Claims (7)
1. a front end of shield, comprises a front end housing body, it is characterized in that: the lower sidewall of described front end housing body expands outwardly, and forms an arc protuberance, and described protuberance surrounding forms enclosing wall type structure; On described protuberance evenly and be arranged at intervals with a plurality of louvre blade, described a plurality of louvre blade is parallel and be obliquely installed, every described louvre blade all links with described protuberance one, every incline direction of described louvre blade is identical with the direction of rotation of the fan of generator, and often forms an exhaust outlet between adjacent two louvre blades.
2. a kind of front end of shield as claimed in claim 1, is characterized in that: the front end face of described front end housing body has a full circle seam, and the inside edge place of this full circle seam caves inward, and forms an annular groove.
3. a kind of front end of shield as claimed in claim 2, is characterized in that: the medial surface of described groove is equipped with a reinforcing rib ring.
4. a kind of front end of shield as claimed in claim 1, is characterized in that: the front end face of described front end housing body is provided with four screw holes.
5. a kind of front end of shield as claimed in claim 1, is characterized in that: be often d between adjacent two louvre blades, and 8≤d≤11mm.
6. a kind of front end of shield as claimed in claim 1, it is characterized in that: on the sidewall of described front end housing body and corresponding to the rearward end place of this front end housing body, be provided with four extension angles, and described four three the extension angles hung in angle are respectively equipped with reinforcement rib, often this extension angle are equipped with an extension corner apertures.
7. a kind of front end of shield as claimed in claim 1, is characterized in that: the rearward end place of this front end housing body is provided with an inner stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210514366.1A CN102957254B (en) | 2012-12-05 | 2012-12-05 | Generator front housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210514366.1A CN102957254B (en) | 2012-12-05 | 2012-12-05 | Generator front housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102957254A CN102957254A (en) | 2013-03-06 |
| CN102957254B true CN102957254B (en) | 2015-06-17 |
Family
ID=47765638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210514366.1A Active CN102957254B (en) | 2012-12-05 | 2012-12-05 | Generator front housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102957254B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545966A (en) * | 2013-10-23 | 2014-01-29 | 福建永强力加动力设备有限公司 | Rear end cover of electric generator |
| CN110445297B (en) * | 2019-07-29 | 2020-08-07 | 江苏金丰机电有限公司 | Motor for electric bicycle convenient to installation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478939U (en) * | 2009-07-21 | 2010-05-19 | 无锡锡山安达防爆电气设备有限公司 | Shutter used for electric motor |
| CN201956791U (en) * | 2011-02-14 | 2011-08-31 | 上海电气集团上海电机厂有限公司 | Ventilation and water prevention structure for motor |
| CN102790495A (en) * | 2012-07-20 | 2012-11-21 | 山东华力电机集团股份有限公司 | Base of Y-series three-phase asynchronous motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201022159Y (en) * | 2006-12-29 | 2008-02-13 | 上海南洋电机有限公司 | Connection structure for shutter and motor end cover for large motor |
| CN201156690Y (en) * | 2008-01-31 | 2008-11-26 | 爱德利科技股份有限公司 | Enclosed type fan-free spindle motor |
| CN202026195U (en) * | 2011-05-06 | 2011-11-02 | 锦州汉拿电机有限公司 | Noise reduction end cap for AC generator used in vehicles |
| CN202997771U (en) * | 2012-12-05 | 2013-06-12 | 福建永强力加动力设备有限公司 | A generator front end cover |
-
2012
- 2012-12-05 CN CN201210514366.1A patent/CN102957254B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478939U (en) * | 2009-07-21 | 2010-05-19 | 无锡锡山安达防爆电气设备有限公司 | Shutter used for electric motor |
| CN201956791U (en) * | 2011-02-14 | 2011-08-31 | 上海电气集团上海电机厂有限公司 | Ventilation and water prevention structure for motor |
| CN102790495A (en) * | 2012-07-20 | 2012-11-21 | 山东华力电机集团股份有限公司 | Base of Y-series three-phase asynchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102957254A (en) | 2013-03-06 |
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