CN202004605U - Preposed double-air-exhaust synchronous generator - Google Patents
Preposed double-air-exhaust synchronous generator Download PDFInfo
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- CN202004605U CN202004605U CN2011201075346U CN201120107534U CN202004605U CN 202004605 U CN202004605 U CN 202004605U CN 2011201075346 U CN2011201075346 U CN 2011201075346U CN 201120107534 U CN201120107534 U CN 201120107534U CN 202004605 U CN202004605 U CN 202004605U
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- shell
- central shaft
- air
- fan
- synchronous generator
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A preposed double-air-exhaust synchronous generator relates to a generator. The preposed double-air-exhaust synchronous generator has small noise, effectively controls temperature rise and can maintain original power. The preposed double-air-exhaust synchronous generator comprises a shell, a stator, a rotor and a central shaft, wherein the shell is arranged in an airtight box body, the front end of the central shaft is used for connecting with an output shaft of a motor, and the rear end of the central shaft is positioned on the rear portion of the shell through a bearing seat and a bearing which are installed in the shell. The outer side of the front end of the central shaft is provided with a front fan and a rear fan, the front fan has at least two front centrifugal fan blades, side walls of the front portion of the shell is provided with front exhaust outlets corresponding to the front centrifugal fan blades, and a plurality of air inducing holes are arranged on a front end cover of the shell. The rear fan has at least two rear centrifugal fan blades, side walls of the front portion of the shell is provided with rear exhaust outlets corresponding to the rear centrifugal fan blades, rear air inlets are positioned on side walls of the rear portion of the shell, and a clapboard is arranged between the front fan and the rear fan.
Description
Technical field
The utility model relates to a kind of generator, particularly relates 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.
The utility model content
It is little that the technical problems to be solved in the utility model 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 utility model, 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 utility model, 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 utility model, 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 utility model 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 utility model, 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 utility model, 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 utility model difference from prior art is that preposition pair of air-exhaust type synchronous generator of the utility model 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 utility model 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 utility model.
Embodiment
As shown in Figure 1, preposition pair of air-exhaust type synchronous generator of the utility model 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 utility model 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 utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection range of the utility model claims.
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 |
|---|---|---|---|
| CN2011201075346U CN202004605U (en) | 2011-04-13 | 2011-04-13 | Preposed double-air-exhaust synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201075346U CN202004605U (en) | 2011-04-13 | 2011-04-13 | Preposed double-air-exhaust synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202004605U true CN202004605U (en) | 2011-10-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201075346U Expired - Lifetime CN202004605U (en) | 2011-04-13 | 2011-04-13 | Preposed double-air-exhaust synchronous generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202004605U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201723A (en) * | 2011-04-13 | 2011-09-28 | 双悦（福建）动力机械有限公司 | Front dual-exhaust synchronous generator |
| CN106411046A (en) * | 2016-11-21 | 2017-02-15 | 南京磁谷科技有限公司 | Air-cooled flow channel structure inside magnetic levitation fan |
| CN108736633A (en) * | 2018-04-27 | 2018-11-02 | 无锡小天鹅通用电器有限公司 | Electric machine assembly and clothes treatment device with it |
| CN110661365A (en) * | 2019-11-14 | 2020-01-07 | 衡阳韵翔电机有限公司 | Fan structure for explosion-proof motor |
| CN111799919A (en) * | 2020-07-09 | 2020-10-20 | 安徽德科电气科技有限公司 | Compact high-voltage generator |
-
2011
- 2011-04-13 CN CN2011201075346U patent/CN202004605U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201723A (en) * | 2011-04-13 | 2011-09-28 | 双悦（福建）动力机械有限公司 | Front dual-exhaust synchronous generator |
| CN102201723B (en) * | 2011-04-13 | 2013-05-01 | 双悦（福建）动力机械有限公司 | Front dual-exhaust synchronous generator |
| CN106411046A (en) * | 2016-11-21 | 2017-02-15 | 南京磁谷科技有限公司 | Air-cooled flow channel structure inside magnetic levitation fan |
| CN108736633A (en) * | 2018-04-27 | 2018-11-02 | 无锡小天鹅通用电器有限公司 | Electric machine assembly and clothes treatment device with it |
| CN110661365A (en) * | 2019-11-14 | 2020-01-07 | 衡阳韵翔电机有限公司 | Fan structure for explosion-proof motor |
| CN111799919A (en) * | 2020-07-09 | 2020-10-20 | 安徽德科电气科技有限公司 | Compact high-voltage generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: CHEN KEGENG Effective date: 20120731 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120731 Address after: 352100, Lu Yixi, 21 south of hi tech park, East China Overseas Economic Development Zone, Fujian, Ningde Patentee 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 Co-patentee before: Chen Kegeng Patentee before: Twin Yue (Fujian) Power Machinery Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |