CN201549981U - Cooling system of variable-frequency generator - Google Patents
Cooling system of variable-frequency generator Download PDFInfo
- Publication number
- CN201549981U CN201549981U CN2009202682334U CN200920268233U CN201549981U CN 201549981 U CN201549981 U CN 201549981U CN 2009202682334 U CN2009202682334 U CN 2009202682334U CN 200920268233 U CN200920268233 U CN 200920268233U CN 201549981 U CN201549981 U CN 201549981U
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- Prior art keywords
- generator
- cooling system
- frequency conversion
- casing
- engine housing
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a cooling system of a variable-frequency generator, comprising an engine case body, a generator, a generator shell, a fan blade, a generator rear cover, an insulating plate, an inverting 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 engine case body; 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 cover; and the inverting controller and the insulating plate are respectively positioned at two sides of the generator shell. The cooling system generates powerful wind pressure by rotation of the fan blade, absorbs the cold air to fully cool the generator stator and the generator rotor, then leads the cold air to be discharged from an air outlet of the generator shell, and be forced to cool the inverting controller, the engine case body and the insulating plate.
Description
Technical field
The utility model relates to frequency conversion generator, particularly a kind of cooling system of frequency conversion generator.
Background technology
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 a large amount of heat energy.If can not take away these heats quickly, will destroy the insulation property of stator and make the demagnetization of epitrochanterian magnet, thereby reduce generator useful life, influence generator performance.At present, the cooling means of frequency conversion generator usually adopts engine and generator is placed in the sealed space, adopts a cooling fan, and frequency converter is placed the front end of fan, and this structure makes generator and the shared cooling air channel of engine.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.In order to strengthen cooling effect, often adopt the height that increases fan blade, so not only increased the overall structure size of unit, and greatly reduced the useful life of generator, influence the overall performance of unit.
The utility model content
Technical problem to be solved in the utility model provides a kind of cooling system of frequency conversion generator, it produces powerful blast by the fan blade rotation, suck cold air, after fully generator unit stator and generator amature being cooled off, discharge from the air outlet of generator casing, force inverter controller, engine housing and thermal insulation board cooling.
For solveing the technical problem, the utility model provides a kind of cooling system of frequency conversion generator, it is characterized in that, it comprises engine housing, generator, generator casing, fan blade, the generator bonnet, thermal insulation board, inverter controller, engine crankshaft, generator comprises generator amature and generator unit stator, 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, fan blade is between generator amature and generator bonnet, and inverter controller and thermal insulation board lay respectively at the both sides of generator casing.
Preferably, described engine housing is installed on the vibration damper plate, and vibration damper plate and relevant position, engine housing bottom surface are provided with a following concave plane, and is provided with a square oil outlet and three reinforcements.
Preferably, have fresh air inlet on the described generator bonnet, generator casing and inverter controller, thermal insulation board, engine housing correspondence position have air outlet, and the fresh air inlet on air outlet and the generator bonnet forms a cooling air channel.
Preferably, described generator bonnet passes through a screw on motor housing.
Preferably, described inverter controller is installed on the panel back cover and is positioned at the side of generator casing.
Preferably, described panel back cover is installed between a frame and the control panel and is provided with an entrance hole.
Preferably, the cooling system of described frequency conversion generator also comprises a fuel tank, and on frame, opposite side connects with frame by a beam fuel tank one side by a screw.
Preferably, described control panel is fixed on the frame.
Preferably, described thermal insulation board is installed on the engine housing, and thermal insulation board is between motor housing and muffler.
Positive progressive effect of the present utility model is:
The inverter controller of the cooling system of A, the utility model frequency conversion generator is positioned at the side of generator casing, the air-out that utilizes fan is to its heat radiation cooling, avoided it to be positioned at the air intake resistance that front end produces, guaranteed that cooling air cools off fully to generator unit stator, rotor, inverter controller, generator casing, thermal insulation board, 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 muffler, thermal insulation board has been installed, reduce the heat transmission of muffler to generator, therefore the utility model cooling system not only can not increase windage, the high efficiency heat that produces in the generator course of work of taking away, and make the set structure compactness, guarantee the reliability of generator, prolonged the useful life of generator.
Description of drawings
Fig. 1 is the general assembly schematic diagram of the cooling system of the utility model frequency conversion generator;
Fig. 2 is the axial section schematic diagram of the cooling system of the utility model frequency conversion generator;
Fig. 3 is the longitudinal profile schematic diagram of the cooling system of the utility model frequency conversion generator.
Embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, the cooling system of the utility model frequency conversion generator mainly comprises engine housing 14, generator 23, generator casing 11, fuel tank 12, fan blade 4, generator bonnet 2, thermal insulation board 21, inverter controller 15 etc.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 insulation board 21 lay respectively at the both sides of generator casing 11.Engine housing 14 is installed on the vibration damper plate 20, and vibration damper plate 20 is provided with a following concave plane with relevant position, engine housing 14 bottom surface, and is provided with a square oil outlet and three reinforcements.
Fuel tank 12 is welded by the steel plate punching press, and a side is fixed on the frame by second screw 10, and opposite side connects with frame by 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 by the 3rd screw 18, and is provided with concave plane, makes it not exceed the generating set profile to hold electric elements.Vibration damper plate 20 is stamped to form by steel plate, and vibration damper plate 20 is provided with a following concave plane and four pilot holes with relevant position, engine housing 14 bottom surface, and is provided with a square oil outlet and three reinforcements.Thermal insulation board 21 is made by aluminium sheet, and thermal insulation board 21 is installed on the engine housing 14, and thermal insulation board 21 is between generator casing 11 and muffler 22.
The operation principle and the course of work of the cooling system of the utility model frequency conversion generator are as follows: the utility model rotates under the drive of engine crankshaft 13 by the fan blade on the generator amature 64, in the cavity of generator amature 6 and generator bonnet 2, form blast, make cold air enter low-pressure area in the cavity from some fresh air inlets of generator bonnet 2, rotation by fan blade 4, form the higher-pressure region 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 air outlet of generator casing 11 with the gap of generator casing 11, force inverter controller 15, thermal insulation board 21, engine housing 14 cools 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 muffler, thereby guarantee the reliability of generating set continuous firing.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these execution modes.Therefore, protection range of the present utility model is limited by appended claims.
Claims (9)
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 insulation board, inverter controller, engine crankshaft, generator comprises generator amature and generator unit stator, 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, fan blade is between generator amature and generator bonnet, and inverter controller and thermal insulation board lay respectively at the both sides of generator casing.
2. the cooling system of frequency conversion generator as claimed in claim 1, it is characterized in that, described engine housing is installed on the vibration damper plate, and vibration damper plate and relevant position, engine housing bottom surface are provided with a following concave plane, and is provided with a square oil outlet and three reinforcements.
3. the cooling system of frequency conversion generator as claimed in claim 1, it is characterized in that, have fresh air inlet on the described generator bonnet, generator casing and inverter controller, thermal insulation board, engine housing correspondence position have air outlet, and the fresh air inlet of air outlet and generator bonnet forms a cooling air channel.
4. the cooling system of frequency conversion generator as claimed in claim 1 is characterized in that, described generator bonnet passes through a screw on generator casing.
5. the cooling system of frequency conversion generator as claimed in claim 1 is characterized in that, described inverter controller is installed on the panel back cover and is positioned at the side of generator casing.
6. the cooling system of frequency conversion generator as claimed in claim 5 is characterized in that, described panel back cover is installed between a frame and the control panel and is provided with an entrance hole.
7. the cooling system of frequency conversion generator as claimed in claim 6 is characterized in that, the cooling system of described frequency conversion generator also comprises a fuel tank, and on frame, opposite side connects with frame by a beam fuel tank one side by a screw.
8. the cooling system of frequency conversion generator as claimed in claim 6 is characterized in that, described control panel is fixed on the frame.
9. the cooling system of frequency conversion generator as claimed in claim 1 is characterized in that, described thermal insulation board is installed on the engine housing, and thermal insulation board is between generator casing and muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202682334U CN201549981U (en) | 2009-11-06 | 2009-11-06 | Cooling system of variable-frequency generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202682334U CN201549981U (en) | 2009-11-06 | 2009-11-06 | Cooling system of variable-frequency generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549981U true CN201549981U (en) | 2010-08-11 |
Family
ID=42605164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202682334U Expired - Lifetime CN201549981U (en) | 2009-11-06 | 2009-11-06 | Cooling system of variable-frequency generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549981U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035304A (en) * | 2010-10-18 | 2011-04-27 | 上海狮虎能源科技发展有限公司 | Digital frequency-conversion generator set |
| CN102146842A (en) * | 2011-04-26 | 2011-08-10 | 湖南华强电气有限公司 | Method for driving auxiliary electric generator by automobile engine and automobile engine |
| CN102322342A (en) * | 2011-04-01 | 2012-01-18 | 湖南华强电气有限公司 | Automobile engine |
| 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 |
| CN109586648A (en) * | 2018-12-21 | 2019-04-05 | 上海昶嘉工业设备有限公司 | A kind of intelligent electric machine |
| CN112828675A (en) * | 2021-01-07 | 2021-05-25 | 宁波天瑞精工机械有限公司 | Digit control machine tool motor heat-proof device and processing frock, processing equipment thereof |
-
2009
- 2009-11-06 CN CN2009202682334U patent/CN201549981U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035304A (en) * | 2010-10-18 | 2011-04-27 | 上海狮虎能源科技发展有限公司 | Digital frequency-conversion generator set |
| CN102035304B (en) * | 2010-10-18 | 2012-11-28 | 上海狮虎能源科技发展有限公司 | Digital frequency-conversion generator set |
| CN102322342A (en) * | 2011-04-01 | 2012-01-18 | 湖南华强电气有限公司 | Automobile engine |
| CN102322342B (en) * | 2011-04-01 | 2013-11-20 | 湖南华强电气有限公司 | Automobile engine |
| CN102146842A (en) * | 2011-04-26 | 2011-08-10 | 湖南华强电气有限公司 | Method for driving auxiliary electric generator by automobile engine and automobile engine |
| 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 |
| CN109586648A (en) * | 2018-12-21 | 2019-04-05 | 上海昶嘉工业设备有限公司 | A kind of intelligent electric machine |
| CN112828675A (en) * | 2021-01-07 | 2021-05-25 | 宁波天瑞精工机械有限公司 | Digit control machine tool motor heat-proof device and processing frock, processing equipment thereof |
| CN112828675B (en) * | 2021-01-07 | 2022-02-08 | 宁波天瑞精工机械有限公司 | Digit control machine tool motor heat-proof device and processing frock, processing equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100811 Effective date of abandoning: 20091106 |
|
| RGAV | Abandon patent right to avoid regrant |