CN102201723A - Front dual-exhaust synchronous generator - Google Patents
Front dual-exhaust synchronous generator Download PDFInfo
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- CN102201723A CN102201723A CN2011100937701A CN201110093770A CN102201723A CN 102201723 A CN102201723 A CN 102201723A CN 2011100937701 A CN2011100937701 A CN 2011100937701A CN 201110093770 A CN201110093770 A CN 201110093770A CN 102201723 A CN102201723 A CN 102201723A
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- shell
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- air
- synchronous generator
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- 230000001939 inductive effect Effects 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses a front dual-exhaust synchronous generator, relates to a generator, and aims to provide a front dual-exhaust synchronous generator which has small noise, can effectively control temperature rise and keeps the original power. The front dual-exhaust synchronous generator comprises a shell, a stator, a rotor and a central shaft, wherein the shell is arranged in an enclosed box; the front end of the central shaft is connected with an output shaft of an engine; the back end of the central shaft is arranged on the back part of the shell through a bearing base and a bearing which are arranged in the shell; a front fan and a back fan are arranged on the outer side of the front end of the central shaft; the front fan is provided with at least two centrifugal fan blades; the side wall of the front part of the shell is provided with front exhaust outlets corresponding to the front centrifugal fan blades; a front end cover of the shell is provided with a plurality of air suction holes; the back fan is provided with at least two back centrifugal fan blades; the side wall of the front part of the shell is provided with back exhaust outlets corresponding to the back centrifugal fan blades; the side wall of the back part of the shell is provided with back air inlets; and a clapboard is arranged between the front fan and the back fan.
Description
Technical field
The present invention relates to a kind of generator, particularly relate to a kind of generator with ventilation cooling system.
Background technology
Medium and small diesel oil, gasoline engine generator group, mainly be used in places such as family, hospital, shop, school, bank, army, office building, communication device, sea farming, field work, frontier sentry, rescue and relief work, as emergent, stand-by power supply, of many uses.On the existing market, medium and small generating set is because of temperature rise, noise, discharging three big problems fail effectively to solve, has only the unenclosed construction unit, noise is big, discharging is poor, result of use is undesirable, and inconvenience fails to satisfy the client day by day to the high demand of unit quality.Because of generating set working temperature height, noise are big, fuel is inflammable and explosive, and the combined influence of factors such as high-temperature evaporation has restricted the technology upgrading and the development of this product.Do not have a kind of high-quality, reliable, safe, practical super-silent so far, the generating set of good cooling results is put on market and is approved by the client.Solve effective innovative design of green technology difficult problems such as high temperature rise, big noise and discharging, have great practical value, economic worth and market product upgrading are worth.
Summary of the invention
It is little that the technical problem to be solved in the present invention provides a kind of noise, effectively controls temperature rise, keeps preposition pair of air-exhaust type synchronous generator of original power.
Preposition pair of air-exhaust type synchronous generator of the present invention, comprise shell, stator, rotor and central shaft, described stator fixed installation in the enclosure, described rotor is fixedly mounted on the central shaft, the front end of described central shaft is used for being connected with the output shaft of engine, the rear end of central shaft by be provided with in the enclosure bearing pedestal and Bearing Installation at the shell rear portion, wherein said shell places in the airtight casing, the front end outside of described central shaft is installed with forefan and aft-fan, described forefan has at least two preceding centrifugal fans, the anterior sidewall of described shell is provided with and the corresponding preceding exhaust outlet of preceding centrifugal fan, offer some air inducing hole on the front end housing of shell, centrifugal fan after described aft-fan has at least two, the anterior sidewall of described shell is provided with and the corresponding back of centrifugal fan, back exhaust outlet, described shell rear sidewall is provided with rear air inlet, is provided with dividing plate between described forefan and the aft-fan.
Preposition pair of air-exhaust type synchronous generator of the present invention, wherein said shell comprises protecgulum, stator outer housing, bonnet and the back fan housing that sets gradually from front to back, be connected by the some front and rear covers fastening bolts that are positioned at the stator outer housing outside between protecgulum and the bonnet, the front end of described protecgulum offers and is suitable for the preceding through hole that engine output shaft passes, exhaust outlet and back exhaust outlet are positioned on the protecgulum sidewall before described, and Open Side Down, and described rear air inlet is positioned on the sidewall of back fan housing, and Open Side Down.
Preposition pair of air-exhaust type synchronous generator of the present invention, its median septum is fixedly connected on the central shaft, and centrifugal fan and back centrifugal fan left the gap between the outer rim of dividing plate and the inwall of shell before the outer rim of dividing plate was slightly larger than.
Preposition pair of air-exhaust type synchronous generator of the present invention is provided with the fastening stay bolt of the central shaft coaxial with it in the wherein said central shaft, described central shaft is in the same place engine output shaft and central shaft axial restraint with fastening stay bolt.
Preposition pair of air-exhaust type synchronous generator of the present invention, the front end of wherein said central shaft are opened and are axially arranged with the taper axis hole, and the taper spindle nose of described taper axis hole and engine output shaft is complementary.
Preposition pair of air-exhaust type synchronous generator of the present invention, the frequency of wherein said generator is 50Hz or 60Hz, the single-phase 110V of voltage, 220V, 230V or 240V, three-phase 380V, 400V, 416V or 440V, rated power 2KVA～25KVA.
Preposition pair of air-exhaust type synchronous generator of the present invention difference from prior art is that preposition pair of air-exhaust type synchronous generator of the present invention is separately installed with forefan and aft-fan at the front end of central shaft, back exhaust outlet on the shell, rear air inlet and aft-fan have constituted the cooling air channel in the generator casing, when rotating under the drive of central shaft at engine output shaft, aft-fan is rotary work together thereupon, under the swabbing action of aft-fan, cold air enters in the shell from rear air inlet, cold air is extremely preceding by stator and rotor by the back, discharge shell from the back exhaust outlet again, along with the continuous circulation of cold air in generator casing, the temperature rise of generator inside is controlled effectively; Simultaneously, forefan, air inducing hole and preceding exhaust outlet have constituted the cooling air channel of generator casing outside, because generator is when operate as normal, the outer surface of its shell is also at outside distribute heat, in order to make generator have quiet preferably effect, it need be installed in the airtight casing, therefore the heat of its case surface generation also needs outside discharging, forefan also rotary work when generator is worked along with the rotation of central shaft, under the swabbing action of forefan, the generator casing air outside enters in the shell from the air inducing hole on the shell front end housing, the past exhaust outlet discharges under the forefan effect then, and effective control has also been carried out in the temperature rise of generator casing outside.Because temperature rise has obtained effective control, generator also can keep higher power.
Below in conjunction with accompanying drawing preposition pair of air-exhaust type synchronous generator of the present invention is described further.
Description of drawings
Fig. 1 looks cutaway view for the master of preposition pair of air-exhaust type synchronous generator of the present invention.
Embodiment
As shown in Figure 1, preposition pair of air-exhaust type synchronous generator of the present invention comprises shell 1, stator 2, rotor 3 and central shaft 4, shell 1 places in the airtight casing, shell 1 comprises the protecgulum 19 that sets gradually from front to back, stator outer housing 20, bonnet 21 and back fan housing 22, be connected by the some front and rear covers fastening bolts 23 that are positioned at stator outer housing 20 outsides between protecgulum 19 and the bonnet 21, the front end of protecgulum 19 offers and is suitable for the preceding through hole 24 that engine output shaft passes, stator 2 is fixedly mounted in the shell 1, rotor 3 is fixedly mounted on the central shaft 4, the front end of central shaft 4 axially offers taper axis hole 27, taper axis hole 27 is complementary with the taper spindle nose of engine output shaft, is used for being connected with the output shaft of engine.The rear end of central shaft 4 is installed in shell 1 rear portion by bearing pedestal 5 and the bearing 6 that is arranged on the bonnet 21, the front end outside of central shaft 4 is installed with forefan 7 and aft-fan 13, forefan 7 has four preceding centrifugal fans 8, the sidewall of protecgulum 19 is provided with and preceding centrifugal fan 8 corresponding preceding exhaust outlets 9, and Open Side Down, and the roof of protecgulum 19 is provided with some air inducing hole 12.
Be provided with the central shaft coaxial with it in the central shaft 4 with fastening stay bolt 26, central shaft inserts from the rear end of central shaft 4 with fastening stay bolt 26, and engine output shaft and central shaft 4 axial restraints are in the same place.
When rotating under the drive of central shaft 4 at engine output shaft, aft-fan 13 is rotary work together thereupon, under the swabbing action of aft-fan 13, cold air enters in the shell 1 from rear air inlet 10, cold air is extremely preceding by stator 2 and rotor 3 by the back, discharge shell from back exhaust outlet 18 again,, the temperature rise of generator inside is controlled effectively along with the continuous circulation of cold air in generator casing 1.Simultaneously, forefan 7, air inducing hole 12 and preceding exhaust outlet 9 have constituted the cooling air channel of generator casing 1 outside, because generator is when operate as normal, the outer surface of its shell 1 is also at outside distribute heat, in order to make generator have quiet preferably effect, it need be installed in the airtight casing, therefore the heat of its shell 1 surface generation also needs to discharge outside casing, forefan 7 also rotary work when generator is worked along with the rotation of central shaft 4, under the swabbing action of forefan 7, generator casing 1 air outside enters in the shell 1 from air inducing hole 12, discharging of preceding then exhaust outlet 9 also carried out effective control to the temperature rise of generator casing 1 outside.Be convenient to enter shell 1 in order to make cold air, hot-air is convenient to discharge casing, also between shell 1 and casing, be provided with and rear air inlet 10 corresponding back air inlet ducts 14, with preceding exhaust outlet 9 corresponding preceding exhausting ducts 16, with back exhaust outlet 18 corresponding back exhausting ducts 25.
The frequency of preposition pair of air-exhaust type synchronous generator of the present invention is 50Hz or 60Hz, the single-phase 110V of voltage, 220V, 230V or 240V, three-phase 380V, 400V, 416V or 440V, rated power 2KVA～25KVA.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (6)
1. preposition pair of air-exhaust type synchronous generator, comprise shell (1), stator (2), rotor (3) and central shaft (4), described stator (2) is fixedly mounted in the shell (1), described rotor (3) is fixedly mounted on the central shaft (4), the front end of described central shaft (4) is used for being connected with the output shaft of engine, the rear end of central shaft (4) is installed in shell (1) rear portion by bearing pedestal (5) and the bearing (6) that is arranged in the shell (1), it is characterized in that: described shell (1) places in the airtight casing, the front end outside of described central shaft (4) is installed with forefan (7) and aft-fan (13), described forefan (7) has at least two preceding centrifugal fans (8), the anterior sidewall of described shell (1) is provided with and the corresponding preceding exhaust outlet (9) of preceding centrifugal fan (8), offer some air inducing hole (12) on the front end housing of shell (1), centrifugal fan (17) after described aft-fan (13) has at least two, the anterior sidewall of described shell (1) is provided with and the corresponding back of back centrifugal fan (17) exhaust outlet (18), described shell (1) rear sidewall is provided with rear air inlet (10), is provided with dividing plate (15) between described forefan (7) and the aft-fan (13).
2. preposition pair of air-exhaust type synchronous generator according to claim 1, it is characterized in that: described shell (1) comprises the protecgulum (19) that sets gradually from front to back, stator outer housing (20), bonnet (21) and back fan housing (22), be connected by the some front and rear covers fastening bolts (23) that are positioned at stator outer housing (20) outside between protecgulum (19) and the bonnet (21), the front end of described protecgulum (19) offers and is suitable for the preceding through hole (24) that engine output shaft passes, exhaust outlet (9) and back exhaust outlet (18) are positioned on protecgulum (19) sidewall before described, and Open Side Down, described rear air inlet (10) is positioned on fan housing (22) sidewall of back, and Open Side Down.
3. preposition pair of air-exhaust type synchronous generator according to claim 1, it is characterized in that: described dividing plate (15) is fixedly connected on the central shaft (4), the outer rim of dividing plate (15) is slightly larger than preceding centrifugal fan (8) and back centrifugal fan (17), leaves the gap between the inwall of the outer rim of dividing plate (15) and shell (1).
4. the preposition pair air-exhaust type synchronous generator one of described according to claim 1 to 3, it is characterized in that: be provided with the central shaft coaxial with it in the described central shaft (4) with fastening stay bolt (26), described central shaft is in the same place engine output shaft and central shaft (4) axial restraint with fastening stay bolt (26).
5. preposition pair of air-exhaust type synchronous generator according to claim 4 is characterized in that: the front end of described central shaft (4) is opened and is axially arranged with taper axis hole (27), and described taper axis hole (27) is complementary with the taper spindle nose of engine output shaft.
6. preposition pair of air-exhaust type synchronous generator according to claim 5, it is characterized in that: the frequency of described generator is 50Hz or 60Hz, the single-phase 110V of voltage, 220V, 230V or 240V, three-phase 380V, 400V, 416V or 440V, rated power 2KVA～25KVA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110093770 CN102201723B (en) | 2011-04-13 | 2011-04-13 | Front dual-exhaust synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110093770 CN102201723B (en) | 2011-04-13 | 2011-04-13 | Front dual-exhaust synchronous generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102201723A true CN102201723A (en) | 2011-09-28 |
| CN102201723B CN102201723B (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110093770 Expired - Fee Related CN102201723B (en) | 2011-04-13 | 2011-04-13 | Front dual-exhaust synchronous generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102201723B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432754A (en) * | 2019-08-19 | 2019-11-12 | 佛山市谷悦电器科技有限公司 | Double fan heat dissipation pot body |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD273533A1 (en) * | 1988-06-29 | 1989-11-15 | Thurm Elektromotoren | TWO-STEP AIR FAN DEVICE FOR ELECTRICAL, ROTATING, INS. MEDIUM AND MAJOR MACHINES |
| DE3942083A1 (en) * | 1989-12-20 | 1991-06-27 | Licentia Gmbh | Hand-held power tool with enhanced motor cooling - has radial and axial fans juxtaposed and keyed to motor armature shaft in space immediately ahead of downstream stator winding heads |
| JPH06296340A (en) * | 1993-04-09 | 1994-10-21 | Hitachi Ltd | Rotary electric machine |
| CN2507177Y (en) * | 2001-11-01 | 2002-08-21 | 陈李铭 | Internal/external cooled motor |
| JP2005278288A (en) * | 2004-03-24 | 2005-10-06 | Daikin Ind Ltd | Motor cooler |
| CN2894049Y (en) * | 2006-04-26 | 2007-04-25 | 江西特种电机股份有限公司 | Double-cooling fan motor |
| CN202004605U (en) * | 2011-04-13 | 2011-10-05 | 双悦（福建）动力机械有限公司 | Preposed double-air-exhaust synchronous generator |
-
2011
- 2011-04-13 CN CN 201110093770 patent/CN102201723B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD273533A1 (en) * | 1988-06-29 | 1989-11-15 | Thurm Elektromotoren | TWO-STEP AIR FAN DEVICE FOR ELECTRICAL, ROTATING, INS. MEDIUM AND MAJOR MACHINES |
| DE3942083A1 (en) * | 1989-12-20 | 1991-06-27 | Licentia Gmbh | Hand-held power tool with enhanced motor cooling - has radial and axial fans juxtaposed and keyed to motor armature shaft in space immediately ahead of downstream stator winding heads |
| JPH06296340A (en) * | 1993-04-09 | 1994-10-21 | Hitachi Ltd | Rotary electric machine |
| CN2507177Y (en) * | 2001-11-01 | 2002-08-21 | 陈李铭 | Internal/external cooled motor |
| JP2005278288A (en) * | 2004-03-24 | 2005-10-06 | Daikin Ind Ltd | Motor cooler |
| CN2894049Y (en) * | 2006-04-26 | 2007-04-25 | 江西特种电机股份有限公司 | Double-cooling fan motor |
| CN202004605U (en) * | 2011-04-13 | 2011-10-05 | 双悦（福建）动力机械有限公司 | Preposed double-air-exhaust synchronous generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432754A (en) * | 2019-08-19 | 2019-11-12 | 佛山市谷悦电器科技有限公司 | Double fan heat dissipation pot body |
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| Publication number | Publication date |
|---|---|
| CN102201723B (en) | 2013-05-01 |
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Free format text: FORMER OWNER: CHEN KEGENG Effective date: 20120717 |
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Effective date of registration: 20120717 Address after: 352100, Lu Yixi, 21 south of hi tech park, East China Overseas Economic Development Zone, Fujian, Ningde Applicant after: Twin Yue (Fujian) Power Machinery Co., Ltd. Address before: 352100, Lu Yixi, 21 south of hi tech park, East China Overseas Economic Development Zone, Fujian, Ningde Applicant before: Twin Yue (Fujian) Power Machinery Co., Ltd. Co-applicant before: Chen Kegeng |
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Owner name: AIPU (FUJIAN) ELECTRIC CO., LTD. Free format text: FORMER OWNER: SUNJOY (FUJIAN) POWER MACHINERY CO., LTD. Effective date: 20141115 |
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Effective date of registration: 20141115 Address after: 352100 east overseas Chinese Economic Development Zone of Ningde City, Fujian Province, Guangfu Road No. 3 (Tiangong Motor Factory) Industrial Building 1 layer 101 Patentee after: (Fujian) Electric Co., Ltd. Address before: 352100, Lu Yixi, 21 south of hi tech park, East China Overseas Economic Development Zone, Fujian, Ningde Patentee before: Twin Yue (Fujian) Power Machinery Co., Ltd. |
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Owner name: FUJIAN RUNDA POWER MACHINERY CO., LTD. Free format text: FORMER OWNER: AIPU (FUJIAN) ELECTRIC CO., LTD. Effective date: 20150616 |
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Effective date of registration: 20150616 Address after: Seven Du Zhen Liu Du Cun 352000 Fujian province Ningde city Jiaocheng District Ford East factory Patentee after: FUJIAN RUNDA POWER MACHINERY CO., LTD. Address before: 352100 east overseas Chinese Economic Development Zone of Ningde City, Fujian Province, Guangfu Road No. 3 (Tiangong Motor Factory) Industrial Building 1 layer 101 Patentee before: (Fujian) Electric Co., Ltd. |
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