CN102055278B - Cooling system of variable frequency generator - Google Patents
Cooling system of variable frequency generator Download PDFInfo
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- CN102055278B CN102055278B CN2009102121917A CN200910212191A CN102055278B CN 102055278 B CN102055278 B CN 102055278B CN 2009102121917 A CN2009102121917 A CN 2009102121917A CN 200910212191 A CN200910212191 A CN 200910212191A CN 102055278 B CN102055278 B CN 102055278B
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- generator
- cooling system
- frequency conversion
- casing
- engine housing
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Abstract
The invention discloses a cooling system of a variable frequency generator. The cooling system comprises an engine case, a generator, a generator shell, a fan blade, a generator rear cover, an insulation board, an inversion controller and a generator crankshaft, wherein the generator comprises a generator rotor and a generator stator; the generator rotor is arranged on the generator crankshaft; the generator shell is fixed on the generator case; the generator stator is fixed on the generator shell and is positioned in the generator rotor; the fan blade is positioned between the generator rotor and the generator rear shell; and the inversion controller and the insulation board are positioned on two sides of the generator shell respectively. The fan blade rotates to generate strong wind pressure, and cold air is sucked, and is discharged from an air outlet of the generator shell after fully cooling the generator stator and the generator rotor, so that the inversion controller, the generator case and the insulation board are compulsively cooled.
Description
Technical field
The present invention relates to frequency conversion generator, particularly a kind of cooling system of frequency conversion generator.
Background technique
At present, market up-conversion generator generally adopts permanent magnet generator, and this generator is in the powerful while of output, and stator and rotor all can produce great amount of heat energy.If can not take away these heats quickly, will destroy the insulating property of stator and make the demagnetization of epitrochanterian magnet, thereby reduce generator working life, influence generator performance.At present, the cooling means of frequency conversion generator usually adopts motor and generator is placed in the sealed space, adopts a cooling fan, and frequency variator is placed the front end of fan, and this structure makes generator and the shared cooling duct of motor.Higher because of casing and Cylinder Head Temperature, and inverter controller is positioned at the fan front end, is in the air intake direction, will increase the air intake resistance, so air quantity is little and flow velocity is slow.For enhanced cooling, often adopt the height that increases fan blade, so not only increased the overall structure size of unit, and greatly reduced the working life of generator, influence the overall performance of unit.
Summary of the invention
Technical problem to be solved by this invention provides a kind of cooling system of frequency conversion generator; It produces powerful blast through the fan blade rotation; Suck cool air; After fully generator unit stator and generator amature being cooled off, discharge, force inverter controller, engine housing and thermal baffle cooling from the exhaust outlet of generator casing.
For solveing the technical problem; The invention provides a kind of cooling system of frequency conversion generator, it is characterized in that, it comprises engine housing, generator, generator casing, fan blade, generator bonnet, thermal baffle, inverter controller, engine crankshaft; Generator comprises generator amature and generator unit stator; Generator amature is installed on the engine crankshaft, and generator casing is fixed on the engine housing, and generator unit stator is fixed on the generator casing and is positioned at generator amature; Fan blade is between generator amature and generator bonnet, and inverter controller and thermal baffle lay respectively at the both sides of generator casing; Said engine housing is installed on the vibration damper plate, is provided with a following conocave plane with corresponding position, engine housing bottom surface on the vibration damper plate, and is provided with a square oil outlet and three stiffening ribs.
Preferably, have intake opening on the said generator bonnet, have exhaust outlet with inverter controller, thermal baffle, position that engine housing is corresponding on the generator casing, the intake opening on exhaust outlet and the generator bonnet forms a cooling duct.
Preferably, said generator bonnet passes through a screw on motor housing.
Preferably, said inverter controller is installed on the panel back cover and is positioned at the side of generator casing.
Preferably, said panel back cover is installed between a frame and the control panel and is provided with a wire-feeding hold.
Preferably, the cooling system of said frequency conversion generator also comprises a fuel tank, and on frame, opposite side connects with frame through a beam fuel tank one side through a screw.
Preferably, said control panel is fixed on the frame.
Preferably, said thermal baffle is installed on the engine housing, and thermal baffle is between motor housing and baffler.
Positive progressive effect of the present invention is:
The inverter controller of the cooling system of A, frequency conversion generator of the present invention is positioned at the side of generator casing, and the air-out that utilizes fan has avoided it to be positioned at the air intake resistance that front end produces to its heat radiation cooling; Guaranteed that cooling air cools off generator unit stator, rotor, inverter controller, generator casing, thermal baffle fully, under the prerequisite that guarantees same cooling effect, can save greater room; Reduce the size of unit; Make set structure compacter, reduce cost weight saving.
B, between motor housing and baffler, thermal baffle has been installed; Reduce the heat transmission of baffler to generator; Therefore cooling system of the present invention not only can not increase windage, high efficiencyly takes away the heat that produces in the generator working procedure, and makes set structure compact; Guarantee the reliability of generator, prolonged the working life of generator.
Description of drawings
Fig. 1 is the general assembly schematic representation of the cooling system of frequency conversion generator of the present invention;
Fig. 2 is the axial section schematic representation of the cooling system of frequency conversion generator of the present invention;
Fig. 3 is the longitudinal profile schematic representation of the cooling system of frequency conversion generator of the present invention.
Embodiment
Lift a preferred embodiment below, and combine accompanying drawing to come the clearer the present invention that intactly explains.
To shown in Figure 3, the cooling system of frequency conversion generator of the present invention mainly comprises engine housing 14, generator 23, generator casing 11, fuel tank 12, fan blade 4, generator bonnet 2, thermal baffle 21, inverter controller 15 etc. like Fig. 1.Generator comprises generator amature 6 and generator unit stator 8; Generator amature 6 usefulness second bolt 5 is installed on the engine crankshaft 13; Generator casing 11 is fixed on the engine housing 14, and generator unit stator is fixed on the generator casing 11 with the 3rd bolt 7 and is positioned at generator amature 6.Fan blade 4 is between generator amature 6 and generator bonnet 2.Inverter controller 15 is installed on the panel back cover 16 and is positioned at control panel 17 back sides, and inverter controller 15 and thermal baffle 21 lay respectively at the both sides of generator casing 11.Engine housing 14 is installed on the vibration damper plate 20, and 20 are provided with a following conocave plane with corresponding position, engine housing 14 bottom surfaces on the vibration damper plate, and are provided with a square oil outlet and three stiffening ribs.
Fuel tank 12 is welded by the steel plate punching press, and a side is fixed on the frame through second screw 10, and opposite side connects with frame through beam 19.Fuel tank 12 is being provided with a square hole near control panel 17 sides.Control panel 17 is stamped to form by steel plate, and control panel 17 is fixed on the frame through the 3rd screw 18, and is provided with conocave plane, makes it not exceed the generator set profile to hold electrical apparatus element.Vibration damper plate 20 is stamped to form by steel plate, and vibration damper plate 20 is provided with a following conocave plane and four pilot holes with relevant position, engine housing 14 bottom surface, and is provided with a square oil outlet and three stiffening ribs.Thermal baffle 21 is processed by aluminium sheet, and thermal baffle 21 is installed on the engine housing 14, and thermal baffle 21 is between generator casing 11 and baffler 22.
The working principle and the working procedure of the cooling system of frequency conversion generator of the present invention are following: the present invention rotates under the drive of engine crankshaft 13 through the fan blade 4 on the generator amature 6; In the cavity of generator amature 6 and generator bonnet 2, form blast; Make cool air get into the low pressure area in the cavity from some intake openings of generator bonnet 2; Rotation through fan blade 4; Form the zone of high pressure in fan blade 4 radial outer periphery; The air gap or the generator amature 6 of 6 of air process generator unit stator 8 and generator amatures are discharged from the exhaust outlet of generator casing 11 with the gap of generator casing 11, force inverter controller 15, thermal baffle 21, engine housing 14 are cooled off.So just take away the heat that generator produces, simultaneously to inverter controller 15 and engine housing 14 heat radiations.Reduce the heat transmission of 22 pairs of generators 23 of baffler, thereby guarantee the reliability of generator set continuous firing.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these mode of executions.Therefore, protection scope of the present invention is limited appended claims.
Claims (8)
1. the cooling system of a frequency conversion generator; It is characterized in that; It comprises engine housing, generator, generator casing, fan blade, generator bonnet, thermal baffle, inverter controller, engine crankshaft, and generator comprises generator amature and generator unit stator, and generator amature is installed on the engine crankshaft; Generator casing is fixed on the engine housing; Generator unit stator is fixed on the generator casing and is positioned at generator amature, and fan blade is between generator amature and generator bonnet, and inverter controller and thermal baffle lay respectively at the both sides of generator casing; Said engine housing is installed on the vibration damper plate, is provided with a following conocave plane with corresponding position, engine housing bottom surface on the vibration damper plate, and is provided with a square oil outlet and three stiffening ribs.
2. the cooling system of frequency conversion generator as claimed in claim 1; It is characterized in that; Have intake opening on the said generator bonnet; Have exhaust outlet with inverter controller, thermal baffle, position that engine housing is corresponding on the generator casing, the intake opening of exhaust outlet and generator bonnet forms a cooling duct.
3. the cooling system of frequency conversion generator as claimed in claim 1 is characterized in that, said generator bonnet passes through a screw on generator casing.
4. the cooling system of frequency conversion generator as claimed in claim 1 is characterized in that, said inverter controller is installed on the panel back cover and is positioned at the side of generator casing.
5. the cooling system of frequency conversion generator as claimed in claim 4 is characterized in that, said panel back cover is installed between a frame and the control panel and is provided with a wire-feeding hold.
6. the cooling system of frequency conversion generator as claimed in claim 5 is characterized in that, the cooling system of said frequency conversion generator also comprises a fuel tank, and on frame, opposite side connects with frame through a beam fuel tank one side through a screw.
7. the cooling system of frequency conversion generator as claimed in claim 5 is characterized in that, said control panel is fixed on the frame.
8. the cooling system of frequency conversion generator as claimed in claim 1 is characterized in that, said thermal baffle is installed on the engine housing, and thermal baffle is between generator casing and baffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102121917A CN102055278B (en) | 2009-11-06 | 2009-11-06 | Cooling system of variable frequency generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102121917A CN102055278B (en) | 2009-11-06 | 2009-11-06 | Cooling system of variable frequency generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102055278A CN102055278A (en) | 2011-05-11 |
| CN102055278B true CN102055278B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102121917A Active CN102055278B (en) | 2009-11-06 | 2009-11-06 | Cooling system of variable frequency generator |
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| CN (1) | CN102055278B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5538448B2 (en) * | 2012-01-19 | 2014-07-02 | 富士重工業株式会社 | Axial gap type power generator |
| CN102828829A (en) * | 2012-08-28 | 2012-12-19 | 上海狮虎能源科技发展有限公司 | Heat insulation device for variable-frequency power generator set |
| CN102904383A (en) * | 2012-08-28 | 2013-01-30 | 上海狮虎能源科技发展有限公司 | Cooling structure of frequency conversion power generator set |
| CN104917329A (en) * | 2014-03-11 | 2015-09-16 | 上海狮虎能源科技股份有限公司 | Cooling system of variable frequency generator |
| CN104242553B (en) * | 2014-09-25 | 2017-02-15 | 苏州圆能动力科技有限公司 | Fan assembly structure for generator |
| CN104935101B (en) * | 2014-10-12 | 2018-02-23 | 青岛三利智能动力有限公司 | A kind of special variable-frequency motor of water pump |
-
2009
- 2009-11-06 CN CN2009102121917A patent/CN102055278B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102055278A (en) | 2011-05-11 |
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| C14 | Grant of patent or utility model | ||
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Owner name: SHANGHAI SHIHU ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI LIGER ENERGY TECHNOLOGY DEVELOPMENT CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 201613 Shanghai city of Songjiang District Chen Road No. 128 Building 1 layer A District 1 Patentee after: SHANGHAI LIGER POWER TECHNOLOGY CO., LTD. Address before: 201613 Shanghai city Songjiang District rongbei Industrial Zone, Rong Hui Lu No. 100 Patentee before: Shanghai Liger Energy Technology Development Co., Ltd. |
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Effective date of registration: 20161101 Address after: 352100 Fujian Industrial Development Zone, East China Overseas Economic Development Zone, Ningde overseas industrial zone, industrial road, No. 9, No. 6 Patentee after: NINGDE YANGKE LIGER IMPORT AND EXPORT CO., LTD. Address before: 201613 Shanghai city of Songjiang District Chen Road No. 128 Building 1 layer A District 1 Patentee before: SHANGHAI LIGER POWER TECHNOLOGY CO., LTD. |
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Effective date of registration: 20210916 Address after: 352101 Yonglong Road, qinxiyang Industrial Zone, Fu'an City, Ningde City, Fujian Province Patentee after: Ningde Zhentian Power Co., Ltd Address before: 352100 the 6 layer of No. 9 industrial North Road, east overseas Chinese Industrial Development Zone, Ningde, Fujian. Patentee before: NINGDE YANGKE SHIHU IMPORT & EXPORT Co.,Ltd. |
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