CN101707413A - Engine-driving type generator set - Google Patents
Engine-driving type generator set Download PDFInfo
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- CN101707413A CN101707413A CN200910047675A CN200910047675A CN101707413A CN 101707413 A CN101707413 A CN 101707413A CN 200910047675 A CN200910047675 A CN 200910047675A CN 200910047675 A CN200910047675 A CN 200910047675A CN 101707413 A CN101707413 A CN 101707413A
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- generator
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Abstract
The invention discloses an engine-driving type generator set, comprising an engine, a generator and a cooling fan, wherein the engine comprises a stator, an outer rotor and an electric control unit; the outer rotor of the generator is in a shell-type structure, and the shell mouth of the outer rotor of the generator is arranged back to the engine; the cooling fan is arranged between the outer rotor of the generator and the engine; the stator of the generator is arranged on a base body corresponding to the outer rotor of the generator; the installing base body of the stator of the generator is aligned and coupled with the axis of the engine; the installing base body of the stator of the generator is provided with an outer installing positioning opening butted with the engine and an inner installing positioning opening butted with the stator of the generator; the inner installing positioning opening and the outer installing positioning opening of the installing base body of the stator of the generator are coaxial with an engine shaft; the installing base body of the stator of the generator is provided with a cable passing opening for outputting cables; and the engine-driving type generator set has compact structure, is more convenient to realize the cooling of the generator set and is convenient for disassembly and maintenance.
Description
Technical field
The present invention relates to a kind of generating set, especially a kind of engine generator group.
Background technology
In the generating set of prior art generator drive, the stator of generator and external rotor and engine crankshaft coaxial line are installed; Generator unit stator directly is assemblied on the parts such as the casing of engine or side cover; Be assemblied in the shell-type structure outer rotor of engine spindle clutch end, its faucal direction is towards engine and generator unit stator; Cooling fan is installed at the outer rotor case back, is used for cooled electric generator stator, rotor and other parts.This generator mounting structure, its generator unit stator is clipped between engine and the generator amature housing, owing to produce more heat during the engine operation, although reserve insulated space between generator unit stator and the engine, but the heat that generator operation produces still can be radiated on the generator unit stator, causes the reduction of generator electric energy delivery efficiency; On the other hand, for fear of with generator external rotor touching, the electric power output cable of drawing from generator unit stator must clinching on engine, the easy like this mistake heat ageing that causes output cable; In addition, the cooling of generator is by the air that heat by the generator surface or passes through the external rotor distribute heat that radiating effect is relatively poor; And because generator unit stator is positioned at generator external rotor shell-type inside configuration, must dismantle external rotor, increase the difficulty of maintenance the maintenance of generator unit stator.
Summary of the invention
The present invention is for solving in the prior art, because generator radiating effect difference causes generator electric energy delivery efficiency low, the generator output cable is owing to be heated easily aging, technical problems such as generator unit stator maintenance complexity, provide a kind of compact conformation reasonable, maintenance is convenient, the engine generator group that radiating efficiency is high.
In order to achieve the above object, the technical solution adopted in the present invention is, a kind of engine generator group is provided, and this device comprises engine, generator and cooling fan; Generator comprises stator, external rotor and ECU (Electrical Control Unit); Described generator external rotor is the shell-type structure, and the generator external rotor faucal of shell-type structure engine is dorsad installed; Between generator external rotor and engine, cooling fan is installed; Generator unit stator be installed in the generator external rotor on the matrix of answering, described generator unit stator is installed matrix and is connected with engine axis centering; Generator unit stator is installed matrix and is provided with the outer installing and locating mouth that docks with engine, generator unit stator is installed matrix and is provided with the interior installing and locating mouth that docks with generator unit stator, and described generator unit stator is installed inside and outside installing and locating mouth of matrix and engine shaft coaxial line; Generator unit stator installation matrix is provided with the generator output cable and crosses the line mouth.
Further, described generator external rotor faucal back is provided with and the corresponding overcurrent of cooling fan air port.
Further, described generator unit stator is installed matrix and is provided with ventilating opening.
Further, described generator unit stator installation matrix is made of metal material.
Further, described generator unit stator is installed the matrix rear end and is provided with cavity, and the generator ECU (Electrical Control Unit) is installed in the described cavity.
Further, described generator ECU (Electrical Control Unit) is installed in generator unit stator the matrix rear end is installed.
Further, it is one that described generator ECU (Electrical Control Unit) shell and generator unit stator are installed the matrix shell, and the components and parts of generator ECU (Electrical Control Unit) are installed in generator unit stator, and that the electric elements of matrix are installed is indoor.
Further, the housing of described generator ECU (Electrical Control Unit) is made of metal material, is arranged with the fin of laminated structure in the outside of described ECU (Electrical Control Unit) housing.
Further, described generator unit stator is installed the matrix rear end and is stamped the back cover lid, and described back cover covers and is provided with at least one air intake opening.
The present invention compared with prior art, its effect is actively and significantly.The technical program is with the engine installation dorsad of generator shell-type external rotor faucal, cooling fan is installed between generator external rotor and the engine, also between engine and generator amature, generator unit stator is installed on the shell mould corresponding with the external rotor faucal, template or the spoke mold base working chamber of cooling fan.By said structure, because the spatial separation and the air-flow effect of cooling fan working chamber have greatly reduced the transmission of engine operation heat to generator; Because the driving of cooling fan on the outer rotor case, cooling blast to taking away heat, make the generator cooling more thorough and balanced from the outer rotor generator inner shaft; Because generator external rotor faucal is engine dorsad, generator unit stator is installed matrix and is separated with engine, makes the dismounting maintenance of generator unit stator also more convenient; Can the bigger spatial placement zone of matrix acquisition be installed by stator from the output cable that generator unit stator is drawn, not be subjected to the influence of engine; In addition,, make that the axial dimension between engine and the generator can suitably reduce, make the whole generating set structure compact more because the effect of generator and engine spatial separation has been played in the fan work chamber.
Description of drawings
Fig. 1 is that generator ECU (Electrical Control Unit) of the present invention is positioned at the scheme of installation that generator unit stator is installed base cavity;
Fig. 2 is that generator ECU (Electrical Control Unit) of the present invention is positioned at the structure cutaway view that generator unit stator is installed base cavity;
Fig. 3 is that generator ECU (Electrical Control Unit) of the present invention is positioned at generator unit stator and the refrigerating gas of base cavity is installed is flowed to schematic diagram;
Fig. 4 is that generator ECU (Electrical Control Unit) of the present invention is positioned at the scheme of installation that generator unit stator is installed the matrix rear end;
Fig. 5 is that generator ECU (Electrical Control Unit) of the present invention is positioned at the structure cutaway view that generator unit stator is installed the matrix rear end;
Fig. 6 is that generator ECU (Electrical Control Unit) of the present invention is positioned at generator unit stator and the refrigerating gas of matrix rear end is installed is flowed to schematic diagram;
Fig. 7 is that generator ECU (Electrical Control Unit) housing of the present invention and generator unit stator installation base body housing are the scheme of installation of one;
Fig. 8 is that generator ECU (Electrical Control Unit) housing of the present invention and generator unit stator installation base body housing are the structure cutaway view of one;
Fig. 9 is that base body housing is installed is that the refrigerating gas of one flows to schematic diagram for generator ECU (Electrical Control Unit) housing of the present invention and generator unit stator.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
Generator ECU (Electrical Control Unit) as shown in Figure 1 is positioned at the scheme of installation that generator unit stator is installed base cavity, and this device comprises engine, generator and cooling fan 2; Generator comprises external rotor 3, stator 4 and control unit 61, and generator external rotor 3 is the shell-type structure; The faucal of generator external rotor 3 engine is dorsad installed, and cooling fan 2 is installed between engine and generator external rotor; Generator unit stator be installed in generator external rotor corresponding shell 51 on.
Generator ECU (Electrical Control Unit) as shown in Figure 2 is positioned at the structural representation that generator unit stator is installed base cavity. and engine housing is provided with power output connection chamber 8, and the clutch end of engine crankshaft 12 is positioned at that this is indoor; Cooling fan 2 is installed on the generator external rotor 3, and generator external rotor 3 and cooling fan 2 are assemblied in the clutch end of engine crankshaft 12 in mode in the coaxial pair; The faucal of installation back generator external rotor 3 is engine dorsad, and cooling fan 2 power output between engine and generator external rotor 3 connects chamber work; The faucal back of engine external rotor 3 is provided with the overcurrent air port corresponding with cooling fan 2; Generator unit stator 4 is installed on the housing 51 with the locate mode of interior installing and locating mouth 10; Housing 51 again with the engine power output chamber of connecting beyond the locate mode of installing and locating mouth 9 be fixed on the generator casing interior installing and locating mouth 9 and outer installing and locating mouth 10 and engine crankshaft 12 coaxial lines; Housing 51 is provided with output cable and crosses line mouth and ventilating opening, and the output cable on the motor stator 4 can be crossed the line mouth from the output cable on the housing 51 and draw; Housing 51 is made of metal material.
In the present embodiment, housing 51 rear ends are provided with cavity 52, and generator control unit 61 is installed in the cavity 52; The housing of generator control unit 61 also is made of metal material, is arranged with the fin of laminated structure in generator control unit 61 outsides; The back of housing 51 is equipped with back cover cap 71, and back cover cap 71 is provided with air inlet.
Being illustrated in figure 3 as the generator ECU (Electrical Control Unit) is positioned at generator unit stator and the refrigerating gas of base cavity is installed is flowed to schematic diagram.In the course of work, cooling fan 2 is along with generator external rotor 3 rotates, cold air enters cavity 52 from the air inlet of housing 51 bonnets and the ventilating opening on housing 51 tops, behind the cooled electric generator control unit 61, enter the generator inside of forming by stator 4 and external rotor 3, from the inner heat extraction of generator and distribute; Simultaneously, the air-casing that produces owing to cooling fan 2 rotations between generator and the engine, flowing gas is also taken away the Engine Surface heat in the fan work cavity in the generator heat that leaves, formed generating set cooling system of the present invention as mentioned above.
As Fig. 4, shown in Figure 5, for the generator ECU (Electrical Control Unit) is positioned at installation and the structural representation that generator unit stator is installed the matrix rear end.The difference of present embodiment and Fig. 1, Fig. 2 embodiment is that generator control unit 61 is directly installed on the rear end that generator unit stator is installed matrix 51, and the shell surface of generator control unit 61 is outside, and control unit 61 shells are provided with sheet mechanism fin.The refrigerating gas that is illustrated in figure 6 as present embodiment flows to schematic diagram.Cooling blast directly enters generating set from control unit 61, further finishes the cooling of whole system.
As Fig. 7, shown in Figure 8, for generator ECU (Electrical Control Unit) housing and generator unit stator base body housing being installed is the installation and the structural representation of one.The characteristics of present embodiment are, the housing 51 that generator control unit housing and generator unit stator are installed matrix is structure as a whole, the components and parts 63 of generator ECU (Electrical Control Unit) are directly installed in the electric elements chamber 53 of housing 51, are adding a cover back cover cap 71 in housing 51 back; Bonnet 71 is provided with air inlet.The refrigerating gas that is illustrated in figure 9 as present embodiment flows to schematic diagram.Refrigerating gas enters electric elements chamber 53 from bonnet 71, behind the components and parts 63 of cooling ECU (Electrical Control Unit), enters generating set, further finishes the cooling of whole system.
Above embodiment shows, because the spatial separation of cooling fan operating room and the effect of cooling blast have reduced the transmission of engine operation heat to generator; Because the driving of cooling fan 2, cooling blast is taken away heat from generator inside along the engine shaft direction, makes the generator cooling more thorough and balanced; Because generator external rotor 3 faucals are engine dorsad, generator unit stator 4 location and installation housings 51 separate with engine, make the dismounting maintenance of generator unit stator 4 also more convenient; The output cable of drawing from generator unit stator 4 can have on housing 51 than the large space layout area, also is not subjected to the influence of engine.
Claims (9)
1. engine generator group, comprise engine, generator and cooling fan, described generator comprises stator, external rotor and ECU (Electrical Control Unit), described generator external rotor is the shell-type structure, it is characterized in that: the generator external rotor faucal of described shell-type structure engine is dorsad installed; Between described generator external rotor and engine, cooling fan is installed; Described generator unit stator be installed in the generator external rotor on the matrix of answering, described generator unit stator is installed matrix and is connected with engine axis centering; Described generator unit stator is installed matrix and is provided with the outer installing and locating mouth that docks with engine, described generator unit stator is installed matrix and is provided with the interior installing and locating mouth that docks with generator unit stator, and described generator unit stator is installed inside and outside installing and locating mouth of matrix and engine shaft coaxial line; Described generator unit stator installation matrix is provided with the generator output cable and crosses the line mouth.
2. a kind of engine generator group as claimed in claim 1 is characterized in that: described generator external rotor faucal back is provided with and the corresponding overcurrent of cooling fan air port.
3. a kind of engine generator group as claimed in claim 1 is characterized in that: described generator unit stator is installed matrix and is provided with ventilating opening.
4. a kind of engine generator group as claimed in claim 1 is characterized in that: described generator unit stator is installed matrix and is made of metal material.
5. a kind of engine generator group as claimed in claim 1 is characterized in that: described generator unit stator is installed the matrix rear end and is provided with cavity, and described generator ECU (Electrical Control Unit) is installed in the described cavity.
6. a kind of engine generator group as claimed in claim 1 is characterized in that: described generator ECU (Electrical Control Unit) is installed in described generator unit stator the matrix rear end is installed.
7. a kind of engine generator group as claimed in claim 1, it is characterized in that: it is one that described generator ECU (Electrical Control Unit) shell and described generator unit stator are installed the matrix shell, and the components and parts of described generator ECU (Electrical Control Unit) are installed in generator unit stator, and that the electric elements of matrix are installed is indoor.
8. as claim 5 or 6 described a kind of engine generator groups, it is characterized in that: the housing of described generator ECU (Electrical Control Unit) is made of metal material, is arranged with the fin of laminated structure in the outside of described ECU (Electrical Control Unit) housing.
9. as claim 5 or 7 described a kind of engine generator groups, it is characterized in that: described generator unit stator is installed the matrix rear end and is stamped the back cover lid, and described back cover covers and is provided with at least one air intake opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910047675A CN101707413A (en) | 2009-03-17 | 2009-03-17 | Engine-driving type generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910047675A CN101707413A (en) | 2009-03-17 | 2009-03-17 | Engine-driving type generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101707413A true CN101707413A (en) | 2010-05-12 |
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ID=42377613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910047675A Pending CN101707413A (en) | 2009-03-17 | 2009-03-17 | Engine-driving type generator set |
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| Country | Link |
|---|---|
| CN (1) | CN101707413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2009
- 2009-03-17 CN CN200910047675A patent/CN101707413A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Open date: 20100512 |