CN203554196U - Variable frequency generator set cooling system - Google Patents
Variable frequency generator set cooling system Download PDFInfo
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- CN203554196U CN203554196U CN201320648788.8U CN201320648788U CN203554196U CN 203554196 U CN203554196 U CN 203554196U CN 201320648788 U CN201320648788 U CN 201320648788U CN 203554196 U CN203554196 U CN 203554196U
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- cooling system
- generator
- inverter
- power generation
- air intake
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Abstract
The utility model provides a variable frequency generator set cooling system, and belongs to the variable frequency generator set technology field. The problem that a traditional variable frequency generator set cooling system is unreasonable in structural design, so that cooling effect is poor is solved. The variable frequency generator set cooling system comprises an engine crankcase, a crankshaft, a constant magnetic generator and a power generation control module, wherein the constant magnetic generator comprises an air inlet cover and an air outlet cover, the air inlet cover is provided with an air inlet, the air inlet cover and the air outlet cover are fixed together to form a generator cavity, and a stator, a rotor and a centrifugal fan are installed in the generator cavity; and the power generation control module comprises an inverter and an output control panel fixed to a frame. The variable frequency generator set cooling system has the advantages that generating efficiency of a generator is ensured, circuits are prevented from being burn out due to high temperature, and cost is reduced.
Description
Technical field
The utility model belongs to frequency conversion generator technical group field, refers in particular to a kind of variable-frequency power generation unit cooling system.
Background technology
At present, existing frequency conversion generator structure is generally to comprise small-sized internal combustion engine, arranged on left and right sides at explosive motor arranges respectively starter and generator, by hand pulling type starter, drive the rotation of starter cup, rely on the inertia of starter cup to provide explosive motor to start required rotating speed, starter cup has coordinated engine ignition with igniter simultaneously.
In the prior art, be provided with flabellum on starter cup, this is after engine work, and starter cup plays the effect of a cooling fan, and the air-flow of generation causes engine shell external surface, and the temperature of taking away whereby engine plays cooling effect.
Chinese patent literature discloses a kind of cooling system (application number: 200910212191.7) of frequency conversion generator, it is characterized in that: it comprises engine housing, generator, generator casing, fan blade, generator rear cover, thermal insulation board, inverter controller, engine crankshaft, generator comprises generator amature and generator unit stator, generator amature is arranged on engine crankshaft, generator casing is fixed on engine housing, generator unit stator is fixed on generator casing and is positioned at generator amature, fan blade is between generator amature and generator rear cover, inverter controller and thermal insulation board lay respectively at the both sides of generator casing, this structure is that the air outside generator rear cover is introduced, by fan blade, air-flow is sprayed by generator casing place, because generator rear cover place is often near the muffler of explosive motor, muffler is discharged high temperature gas flow, therefore the air-flow cooling effect of introducing this place is not good.
Summary of the invention
The purpose of this utility model is to provide a kind of variable-frequency power generation unit cooling system, the housing of generator is offered to air inlet, the air-flow that introducing is produced by flabellum on starter cup, the air-flow simultaneously centrifugal fan arranging in generator being produced guides to required cooling a plurality of parts, has promoted generator performance.
The purpose of this utility model is achieved in that
Variable-frequency power generation unit cooling system, comprise engine crankcase, bent axle, permanent magnetic generator, Generation Control module, described permanent magnetic generator comprises the air intake cover with air inlet, outlet housing, described air intake cover and outlet housing fix and form generator inner chamber, in described generator inner chamber, stator is installed, rotor, centrifugal fan, described Generation Control module comprises inverter, output control panel, described output control panel and frame fix, described air intake cover is fixed on crankshaft output end one side of engine crankcase, stator is positioned at air intake cover center and crankcase is fixed, rotor is fixedly connected with bent axle, centrifugal fan is arranged on rotor outside, outlet housing integrates by set bolt and air intake cover, on described outlet housing, offer air outlet, air outlet is over against the radiating surface of inverter.
In above-mentioned variable-frequency power generation unit cooling system, described air outlet is positioned at tangential direction one side of the rotational trajectory of fan.
In above-mentioned variable-frequency power generation unit cooling system, described output control panel front is provided with output plughole, control switch, state indicating device, and the back side is fixed with inverter.
In above-mentioned variable-frequency power generation unit cooling system, the back side and the inverter of described output control panel have corresponding fixed screw holes, and panel and inverter are bolted.
In above-mentioned variable-frequency power generation unit cooling system, described outlet housing Zhou center offers debugging hole, and debugging hole is provided with capping, on the upper and lower of described air intake cover, offers air inlet.
The utility model compared to existing technology outstanding and useful technique effect is:
1, in structural design of the present utility model, changed traditional air intake mode, rotor drives centrifugal fan high speed rotating, the air of generator inner chamber is discharged from the air outlet of outlet housing, make generator inner chamber produce negative pressure, the air-flow fan at generating set starter cup place being produced because of inner chamber negative pressure sucks generator inner chamber, air-flow from space between the stator of permanent magnetic generator and rotor through and to it, carry out cooling, the gas flow temperature that centrifugal fan sucks is low, cooling effect is better, effectively reduce epitrochanterian magnet heating, guaranteed the generating efficiency of generator.
2, in the utility model, the air outlet on outlet housing is positioned at the one side setting of centrifugal fan rotational trajectory tangential direction, outlet housing is directed to air-flow the radiating surface of inverter and carries out cooling to it, air output is large, good heat dissipation effect, be unlikely because excess Temperature burns out power component, guarantee inverter circuit energy trouble free service.
3, in the utility model, permanent magnetic generator air intake cover, stator all fix with crankcase, and structural design is simple, and low cost of manufacture has changed structure and mounting means.
4, in the utility model, output control panel and the frame of Generation Control module fixes, and module is installed simple, and Maintenance and Repair are convenient, reduces the projected area of unit complete machine simultaneously, reduces the cost of unit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 3 is local structural scheme of mechanism of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-3:
Variable-frequency power generation unit cooling system, comprise engine crankcase 1, bent axle 2, permanent magnetic generator 3, Generation Control module 4, described permanent magnetic generator comprises the air intake cover 5 with air inlet 50, outlet housing 6, described air intake cover and outlet housing fix and form generator inner chamber, in described generator inner chamber, stator 7 is installed, rotor 8, centrifugal fan 9, described Generation Control module comprises inverter 10 and is fixed on the output control panel 11 in frame 12, described air intake cover 5 is fixed on crankshaft output end one side of engine crankcase, stator is positioned at air intake cover center and crankcase is fixed, rotor is fixedly connected with bent axle, centrifugal fan is arranged on rotor outside, outlet housing integrates by set bolt and air intake cover, on described outlet housing, offer air outlet 12, air outlet is over against the radiating surface of inverter.
Described air outlet is positioned at rotational trajectory tangential direction one side of fan.
The difference contrasting in the utility model and background technology is: stator of the present utility model is the crankshaft output end place that is directly fixed on crankcase, crankshaft output end place is provided with the boss 20 that stator is installed, the working method of the cooling system that this use is novel is: the air-flow at generating set driving wheel place is flowed out by the exhaust vent 21 at this place, on permanent magnetic generator air intake cover, offer the air inlet of the corresponding exhaust vent 21 in position, when centrifugal fan rotates, the air-flow that exhaust vent 21 is flowed out sucks in permanent magnetic generator, and again by it air outlet by outlet housing discharge, the direction of discharging is over against the radiating surface of inverter, therefore effectively inverter is lowered the temperature.
On the upper and lower of described air intake cover, offer air inlet.
Described output control panel front is provided with output plughole 13, control switch 14, state indicating device 15, and the back side is fixed with inverter.
Described output plughole is supply socket etc.
The back side and the inverter of described output control panel have corresponding fixed screw holes, and panel and inverter are bolted.
Described outlet housing Zhou center offers debugging hole 18, and debugging hole is provided with capping 19.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection range of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection range of the present utility model.
Claims (5)
1. variable-frequency power generation unit cooling system, comprise small-sized internal combustion engine crankcase, bent axle, permanent magnetic generator, Generation Control module, described permanent magnetic generator comprises the air intake cover with air inlet, outlet housing, described air intake cover and outlet housing fix and form generator inner chamber, in described generator inner chamber, stator is installed, rotor, centrifugal fan, described Generation Control module comprises inverter, output control panel, described output control panel and frame fix, described air intake cover is fixed on crankshaft output end one side of engine crankcase, stator is positioned at air intake cover center and crankcase is fixed, rotor is fixedly connected with bent axle, centrifugal fan is arranged on rotor outside, outlet housing integrates by set bolt and air intake cover, on described outlet housing, offer air outlet, air outlet is over against the radiating surface of inverter.
2. variable-frequency power generation unit cooling system according to claim 1, is characterized in that: described air outlet is positioned at tangential direction one side of the rotational trajectory of fan.
3. variable-frequency power generation unit cooling system according to claim 1, is characterized in that: described output slab front is provided with output plughole, control switch, state indicating device, and the back side is fixed with inverter.
4. variable-frequency power generation unit cooling system according to claim 3, is characterized in that: the back side and the inverter of described output control panel have corresponding fixed screw holes, and panel and inverter are bolted.
5. variable-frequency power generation unit cooling system according to claim 1, is characterized in that: described outlet housing Zhou center offers debugging hole, and debugging hole is provided with capping, on the upper and lower of described air intake cover, offers air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648788.8U CN203554196U (en) | 2013-10-19 | 2013-10-19 | Variable frequency generator set cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648788.8U CN203554196U (en) | 2013-10-19 | 2013-10-19 | Variable frequency generator set cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554196U true CN203554196U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320648788.8U Expired - Fee Related CN203554196U (en) | 2013-10-19 | 2013-10-19 | Variable frequency generator set cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107735A (en) * | 2019-12-31 | 2020-05-05 | 隆鑫通用动力股份有限公司 | Frequency converter cooling device of generator set and mounting method |
-
2013
- 2013-10-19 CN CN201320648788.8U patent/CN203554196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107735A (en) * | 2019-12-31 | 2020-05-05 | 隆鑫通用动力股份有限公司 | Frequency converter cooling device of generator set and mounting method |
| CN111107735B (en) * | 2019-12-31 | 2022-01-25 | 隆鑫通用动力股份有限公司 | Frequency converter cooling device of generator set and mounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20151019 |
|
| EXPY | Termination of patent right or utility model |