CN104595001A - Double-duct engine for portable electric generator - Google Patents
Double-duct engine for portable electric generator Download PDFInfo
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- CN104595001A CN104595001A CN201410737342.1A CN201410737342A CN104595001A CN 104595001 A CN104595001 A CN 104595001A CN 201410737342 A CN201410737342 A CN 201410737342A CN 104595001 A CN104595001 A CN 104595001A
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- cooling
- cooling duct
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Abstract
The invention discloses a double-duct engine for a portable electric generator. The engine is provided with a first cooling air duct and a second cooling air duct, the first cooling air duct is located on a cylinder end of the engine, the second cooling air duct is located on the bottom of an engine box body and a box cover; the double-duct engine for the portable electric generator adopts two cooling air ducts, and specific cooling is conducted on the engine, the loss of cooling air in flowing is reduced, the cooling efficiency is improved, and the integral structure is simplified. Compared with the existing structure which adopts air cooling and is combined with a thermal-protective coating, the electric generator entirety is more simple and compact, the heat dissipation effect is better, and the double-duct engine gives better play to the advantage of flexibility of a small-size electric generator and facilitates the protection for the main equipment.
Description
Technical field
The present invention relates to a kind of fuel electric generator accessory structure, particularly the portable generator of one two air channels motor.
Background technique
Small Universal machinery has less volume and weight, obtains applying comparatively widely; Such as small fuel oil generator (portable) due to volume little, compact structure and the more fields such as family life that are applied to; Because this generator adopts motor as power, therefore, have more heat and produce, heat radiation is then the problem that this structure generator must solve; In prior art, in order to dispel the heat, have employed the structure that generator and motor are dispelled the heat respectively, then adopt two cooling fans and respective independently cooling duct, comparatively complicated air flue structure makes this electric generator structure machine volume comparatively large, is not easy to mobile and uses; Particularly for the motor that generator is supporting, it is the main heating source of whole generator, in order to reduce the temperature in generator case, thermal-protective coating is also adopted power part and the hot edge of silencing apparatus part to be wrapped up completely in existing structure, reduce heating edge to the impact of generator the temperature inside the box, therefore structure is more complicated, increases volume, causes small generator can not give full play to its advantage small and exquisite flexibly.
Therefore, need to improve existing generator cooling construction, remove thermal-protective coating, adopt and comparatively comprehensively cool, reach good cooling effect, simplify overall structure, make whole generator more simply compact, more can play small generator advantage flexibly.
Summary of the invention
In view of this, the invention provides a kind of portable generator two air channels motor, remove thermal-protective coating, adopt and comparatively comprehensively cool, reach good cooling effect, simplify overall structure, make whole generator more simply compact, more can play small generator advantage flexibly.
Portable generator of the present invention two air channels motor, described motor is provided with cooling duct I and cooling duct II, and described cooling duct I is positioned at engine cylinder head, and described cooling duct II is positioned at bottom engine housing and case lid; Motor, as the power source of generator, generally adopts direct connection for transmission and the structure be integrated in same casing, belongs to the conventional structure of the light power generating equipments such as existing portable generator, do not repeat them here; The present invention adopts cooling duct I and cooling duct II two cooling ducts to cool motor, comprehensive cooling is formed to motor, and the comprehensive heat taken away due to motor generation in cabinet, avoid heat accumulation and do not need to carry out heat insulation process, thus simplify whole equipment volume, and cooling effect is better.
Further, the cooling air of cooling duct I and cooling duct II is forced to be formed by cooling fan; Form compulsory air-cooled cooling, ensure and improve cooling effect.
Further, cooling duct I and cooling duct II are formed by the cooling air branch of cooling fan; Realized the cooling in two air channels by same cooling fan, save installing space machine driving source, make structure more compact.
Further, the outlet of described cooling duct I and cooling duct II comes together in muffler for motor; Utilize the realization of same cooling air to the cooling of silencing apparatus and the heat taken away around silencing apparatus, prevent heat accumulation, remove the thermal-protective coating that silencing apparatus is arranged, reduce volume further and simplified structure.
Further, described cooling duct I is formed between air guide sleeve and engine cylinder head on one, and cooling duct II is by once being formed between air guide sleeve and engine bottom; Form relatively airtight cooling duct, pointed carrying out cools, and improves cooling effectiveness.
Further, the outlet of described cooling duct I and cooling duct II comes together in muffler for motor by a muffler outer hood; The cooling air flowing space that further formation is comparatively airtight, is beneficial to and fully takes away heat, improves cooling effectiveness.
Further, described upper air guide sleeve and to be connected between air guide sleeve with muffler outer hood down.
Beneficial effect of the present invention: portable generator of the present invention two air channels motor; two cooling ducts are adopted to carry out pointed cooling to motor; reduce cooling air to lose in flowing; improve cooling effectiveness, and simplify overall structure, air-cooled with existing employing and in conjunction with thermal-protective coating structure compared with; make whole generator more simply compact; radiating effect is better, more can play small generator advantage flexibly, and be beneficial to protection main equipment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, as shown in the figure: portable generator two air channels motor of the present embodiment, described motor is provided with cooling duct I 10 and cooling duct II 11, described cooling duct I 10 is positioned at motor 5 cylinder head, and described cooling duct II 11 is positioned at motor 5 bottom half and case lid; Case lid refers to the crankcase cover of motor, belongs to prior art, and structure does not repeat them here; Generator comprises engine block 4 and the motor 5 as power source, and is provided with appurtenances such as frequency variator 2 grade, and by being all positioned at a casing be made up of covering 13 and skeleton, belonging to the conventional structure of existing generator, not repeating them here; The present invention adopts cooling duct I 10 and cooling duct II 11 two cooling ducts to cool motor 5, cooling air trend as shown by arrows in FIG., comprehensive cooling is formed to motor 5, and the comprehensive heat taken away in cabinet, avoid heat accumulation and do not need to carry out heat insulation process, thus simplify whole equipment volume, and cooling effect is better.
As shown in the figure, this motor is as follows for the structure of generator: generator comprises the frequency variator 1, cooling fan 2, engine block 4 and the engine body 5 that are arranged in order, and the cooling air of cooling duct I 10 and cooling duct II 11 is forced to be formed by cooling fan 2; Form compulsory air-cooled cooling, ensure and improve cooling effect; As shown in the figure, form cooling duct through frequency variator 1, cooling fan 2, engine block 4 and motor 5 successively, and branch forms cooling duct I 10 and cooling duct II 11; Force cooling air to flow by an overall cooling duct, complete the cooling of whole equipment, structure is simply compact further; Reduce whole generator respectively to generate heat the temperature of part, extend the working life of motor, reduce discharge, improve the working life of each electrical part of generator, improve the reliability of complete machine.
In the present embodiment, cooling duct I 10 and cooling duct II 11 are formed by the cooling air branch of cooling fan; Realized the cooling in two air channels after the present embodiment adopts and cools engine block 4 by same cooling fan 2, save installing space machine driving source, make structure more compact.
In the present embodiment, the outlet of described cooling duct I 10 and cooling duct II 11 comes together in muffler for motor 8; Utilize the realization of same cooling air to the cooling of silencing apparatus 8 and the heat taken away around silencing apparatus, prevent heat accumulation, remove the thermal-protective coating that silencing apparatus is arranged, reduce volume further and simplified structure.
In the present embodiment, described cooling duct I 10 is formed between air guide sleeve 9 and motor 5 cylinder head on one, and cooling duct II 11 is formed between bottom once air guide sleeve 6 and engine body 5; Form relatively airtight cooling duct, pointed carrying out cools, and improves cooling effectiveness.
In the present embodiment, the outlet of described cooling duct I 10 and cooling duct II 11 comes together in muffler for motor by a muffler outer hood; The cooling air flowing space that further formation is comparatively airtight, is beneficial to and fully takes away heat, improves cooling effectiveness.
In the present embodiment, described upper air guide sleeve and lower air guide sleeve are connected with between muffler outer hood; As shown in the figure, be connected between front end with engine block shell.
The present invention is used in generator, also following optimization can be carried out: described cooling fan 2 is arranged in fan guard 2, this fan guard 2 is communicated with the generator cooling duct being formed and be communicated with cooling duct II 11 with cooling duct I 10 with engine block 4 shell, more fully can complete cooling by forcing the flowing of cooling air, further simplified apparatus overall structure, this cooling duct is adopted to make the cooperation of component tightr, do not need to arrange respective cooling duct, reduce cooling air to lose in flowing, improve cooling effectiveness; Described cooling duct comprises the air intake passage of cooling fan 2, and this air intake passage is through frequency variator 1; Utilize and by cooling air, frequency variator 1 is cooled, thoroughly and comprehensively, ensure cooling effect; Described cooling fan 2 is arranged in fan guard 3, and this fan guard 3 is communicated with engine block 4 cooling duct being formed and be communicated with cooling duct II 11 with cooling duct I 10 with engine block 4 shell; The air intake of described air intake passage is by between the control panel 12 of generator and frequency variator 1, and the parts on counter plate have certain cooling effect, and do not need to arrange cooling duct separately; Generator has control panel, for controlling the parameters such as generated energy, belonging to routine techniques, not repeating them here.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. portable generator two air channels motor, it is characterized in that: described motor is provided with cooling duct I and cooling duct II, described cooling duct I is positioned at engine cylinder head, and described cooling duct II is positioned at bottom engine housing and case lid.
2. portable generator according to claim 1 two air channels motor, is characterized in that: motor is provided with cooling fan, and the cooling air of described cooling duct I and cooling duct II is forced to be formed by cooling fan.
3. portable generator according to claim 2 two air channels motor, is characterized in that: cooling duct I and cooling duct II are formed by the cooling air branch of cooling fan.
4. portable generator according to claim 1 two air channels motor, is characterized in that: the outlet of described cooling duct I and cooling duct II comes together in muffler for motor.
5. portable generator according to claim 4 two air channels motor, is characterized in that: described cooling duct I is formed between air guide sleeve and engine cylinder head on one, and cooling duct II is by once being formed between air guide sleeve and engine bottom.
6. portable generator according to claim 5 two air channels motor, is characterized in that: the outlet of described cooling duct I and cooling duct II comes together in muffler for motor by a muffler outer hood.
7. portable generator according to claim 6 two air channels motor, is characterized in that: described upper air guide sleeve and to be connected between air guide sleeve with muffler outer hood down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737342.1A CN104595001A (en) | 2014-12-07 | 2014-12-07 | Double-duct engine for portable electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737342.1A CN104595001A (en) | 2014-12-07 | 2014-12-07 | Double-duct engine for portable electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104595001A true CN104595001A (en) | 2015-05-06 |
Family
ID=53121006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410737342.1A Pending CN104595001A (en) | 2014-12-07 | 2014-12-07 | Double-duct engine for portable electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104595001A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888806A (en) * | 2016-05-27 | 2016-08-24 | 隆鑫通用动力股份有限公司 | Air-cooled generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675877Y (en) * | 2003-10-28 | 2005-02-02 | 肖亨琳 | Cooling system for engine of generator |
| CN202732084U (en) * | 2012-06-19 | 2013-02-13 | 重庆润通动力有限公司 | Engine for generator |
| CN103696844A (en) * | 2013-12-30 | 2014-04-02 | 隆鑫通用动力股份有限公司 | Power generating unit |
| CN203702309U (en) * | 2014-01-07 | 2014-07-09 | 蒋坚 | Two-channel air-cooling type small gasoline engine generator |
-
2014
- 2014-12-07 CN CN201410737342.1A patent/CN104595001A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675877Y (en) * | 2003-10-28 | 2005-02-02 | 肖亨琳 | Cooling system for engine of generator |
| CN202732084U (en) * | 2012-06-19 | 2013-02-13 | 重庆润通动力有限公司 | Engine for generator |
| CN103696844A (en) * | 2013-12-30 | 2014-04-02 | 隆鑫通用动力股份有限公司 | Power generating unit |
| CN203702309U (en) * | 2014-01-07 | 2014-07-09 | 蒋坚 | Two-channel air-cooling type small gasoline engine generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888806A (en) * | 2016-05-27 | 2016-08-24 | 隆鑫通用动力股份有限公司 | Air-cooled generator |
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Application publication date: 20150506 |
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| RJ01 | Rejection of invention patent application after publication |