CN101705858B - Cooling system for gasoline engine generator - Google Patents

Cooling system for gasoline engine generator Download PDF

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Publication number
CN101705858B
CN101705858B CN2009100500942A CN200910050094A CN101705858B CN 101705858 B CN101705858 B CN 101705858B CN 2009100500942 A CN2009100500942 A CN 2009100500942A CN 200910050094 A CN200910050094 A CN 200910050094A CN 101705858 B CN101705858 B CN 101705858B
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China
Prior art keywords
cooling
gasoline engine
generator
engine generator
silencing
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CN2009100500942A
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Chinese (zh)
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CN101705858A (en
Inventor
黄长明
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Fu'an experimental motor factory
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Shanghai Yangke Import & Export Co Ltd
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Abstract

The invention discloses a cooling system for a gasoline engine generator, which comprises two cooling subsystems respectively positioned on two sides inside the gasoline engine generator; one cooling subsystem comprises a starter, a silencer, a first air inlet and a first air outlet; the first air inlet is positioned outside the starter; the first air outlet is positioned on the silencer; the other cooling subsystem comprises a working chamber, a second air inlet, a rear cover plate and a thermovent; the second air inlet is positioned on the working chamber; and the thermovent is positioned on the rear cover plate. The cooling system has reasonable arrangement and good cooling effect.

Description

A kind of cooling system of gasoline engine generator
Technical field
The present invention relates to generator, particularly a kind of cooling system of gasoline engine generator.
Background technique
In the prior art, gasoline engine generator is a kind of small-sized power apparatus, is generally used for the emergency service of field work, camping and public affair place, market and family, therefore must consider the portable performance and the structural compactness of generator.
For this reason, by component parts and the configuration of generating monomer to generator, generator configurations optimization promotes portable performance, the structural compactness of generator and reduces the summation watt rating ratio.
As only for therewith, the portable performance of traditional gasoline engine generator, structural compactness are retrained by its power complete set ratio, promote DeGrain, and cooling performance are also undesirable.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome the defective of prior art, a kind of cooling system of gasoline engine generator to be provided, its cooling system connection and reasonable arrangement, and cooling effect is good.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of cooling system of gasoline engine generator, it is characterized in that, this cooling system comprises two sub-cooling systems, these two sub-cooling systems lay respectively at the both sides of a gasoline engine generator inside, a sub-cooling system comprises starter, silencing apparatus, first intake grill and first exhaust outlet, first intake grill is positioned at the starter outside, first exhaust outlet is positioned on the silencing apparatus, another sub-cooling system comprises work chamber, second intake grill, rear cowl and thermovent, second intake grill is positioned in the work chamber, and thermovent is positioned on the rear cowl.
Preferably, described starter and silencing apparatus are positioned at the relative both sides of gasoline engine generator.
Preferably, described thermovent is a strip.
Preferably, described rear cowl and silencing apparatus are positioned at the same side of gasoline engine generator.
Positive progressive effect of the present invention is:
A, the compact structure of gasoline engine generator of the present invention, weight saving, good portability;
B, after control panel of the present invention was function intensified, complete machine structure was simple, and working service is convenient;
C, cooling system connection and reasonable arrangement of the present invention, cooling effect is good;
D, the present invention reduce the silencing apparatus size the basis on realize that noise reduction promotes.
Description of drawings
Fig. 1 is a decomposition texture schematic representation of the present invention.
Fig. 2 is inverter of the present invention and empty filter packing schematic representation.
The structural representation that Fig. 3 constitutes for silencing apparatus of the present invention.
Fig. 4 is the schematic representation along the A-A direction.
Fig. 5 is the schematic representation of cooling system gas flow of the present invention.
Embodiment
Lift a preferred embodiment below, and come the clearer the present invention that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1, gasoline engine generator of the present invention comprises: motor 1, empty filter 2, control panel 3, current inversion system and device 4, stator 5, external rotor 6, fan 7, rear cowl 8, fuel tank 9 and silencing apparatus 10, motor 1 has casing 11 (side cover), bent axle 12, Carburetor 13, antivibration pad 14, starter 15 and handle 16, the stator 5 that in the casing 11 (side cover) of motor 1, connects generator by screw 51 fastening pieces such as grade, Carburetor 13 is connected with control panel 3 with packing ring 32 by screw 31, antivibration pad 14 is locked by screw with casing 11 or is fixedlyed connected, vibrations and noise when antivibration pad 14 reduces generator operation, starter 15 is positioned on casing 11 1 sides, starter 15 is fixedlyed connected with handle 16, and pulling handle 16 got final product when generator started.The fuel tank 9 of petrol engine is located at the top of motor 1, and fuel tank 9 end faces are installed one handle 91, make things convenient for carrying of generator, is provided with a gasoline mouth 92 near handle 91, and this gasoline mouth 92 is used for gasoline and imports in fuel tank 9.Silencing apparatus 10 is fixedlyed connected with casing 11 with packing ring 102 by screw 101.
Fan 7 is fixed on the external rotor 6, external rotor 6 shell backs are provided with and fan 7 corresponding overcurrent air ports, the external rotor 6 that fan 7 is housed is the shell-type structure, external rotor 6 can be detained cover stator 5, external rotor 6 is dynamically connected with 12 on the bent axle of motor 1, stator 5 and external rotor 6 are the part of generator, and stator 5 is arranged in external rotor 6, and stator is that the stacked outward flange with plastic packaging of silicon steel is extremely to structure.Stator 5 and external rotor 6 are the coaxial line assembly relation with bent axle 12, arrange with this power transmission that realizes generator, because what stator 5 and external rotor 6 were formed is intermediate frequency external rotor generating body, belong to the generating body of minor axis to size, power transmission is arranged simple, and axially need not too much attached layout, so the overall axial length of generator can be controlled in a less dimensional range.
The casing 11 (side cover) of motor 1 is axial shell cavity configuration; have a plurality of thermovents on the rear cowl 8; thermovent is a strip; antivibration pad 81 is installed in rear cowl 8 belows; antivibration pad 81 is fixedlyed connected with rear cowl 8 by screw 82; rear cowl 8 is fixedlyed connected by screw 83 with casing 11 and is formed work chamber, and work chamber can be to stator 5 and external rotor 6 running protections, and rear cowl 8 also is a dunnage of generator simultaneously.Thus no matter generator axially or radially all can be defined as less bulk, and can fixed generator shaft to the bulk scope of height in arrange generator control panel 3.
As shown in Figure 2, realize that the current inversion system and device 4 of generator power frequency electric power output is installed in the back side of control panel 3, current inversion system and device 4 heat dispersing surfaces are the intake grill of corresponding work chamber inwardly; The position that connects Carburetor on generator control panel 3 is provided with slot 33, empty filter 2 is provided with corresponding projection 21, and projection 21 is transplanted a cutting for strip, after projection 21 is inserted in the slot 33, empty filter 2 patches with control panel 3 and is connected, and forms the integral slab face effect of generator control panel behind the plug-in mounting.Because the current inversion system and device 4 of generator is arranged on the control panel 3, and adopted the empty filter 2 of plug-in type, the supporting essential occupation space of generator function moves on to the appropriate position on the control panel 3, and the generator spatial structure is compactness further.
As accompanying drawing 3 and shown in Figure 4, the silencing apparatus 10 of petrol engine blendes together the type secondary muffler for the multi-cavity chamber impedance of resonant mode, classification noise reduction and sound absorption function are strengthened the noise elimination effect of silencing apparatus, and can obtain little bulk structure, thereby satisfy the compactedness designing requirement of generator.Silencing apparatus 10 comprises suction tude 103 and steam outlet pipe 104 etc., and suction tude 103 and steam outlet pipe 104 lay respectively at the both sides of silencing apparatus 10.
As Fig. 1 and shown in Figure 5, when generator operation, the cooling system of gasoline engine generator is an independently system, the cooling system of gasoline engine generator comprises two sub-cooling systems, these two sub-cooling systems lay respectively at the both sides of gasoline engine generator inside, a sub-cooling system comprises starter 15, silencing apparatus 10, be positioned at first intake grill and first exhaust outlet that is positioned on the silencing apparatus 10 of starter 15 outsides, starter 15 and silencing apparatus 10 are positioned at the relative both sides of gasoline engine generator, outside air sucks first intake grill by the fan of starter 15, water conservancy diversion blows to silencing apparatus 10 backs and goes out by first exhaust outlet behind the main heating position of cooling petrol engine again; And the generating body that work chamber 120, second intake grill, fan 7 and rear cowl 8 and thermovent thereof are formed cooling is another independently sub-cooling system, second intake grill is positioned in the work chamber 120, thermovent is positioned on the rear cowl 8, rear cowl 8 and silencing apparatus 10 are positioned at the same side of gasoline engine generator, under the driving of fan 7, outside air sucks from second intake grill of work chamber 120, behind the cooled electric generator, discharges from the thermovent of rear cowl 8; Under the second intake grill air suction effect of work chamber, the current inversion system and device 4 that is arranged in control panel 3 back sides also can obtain the heat radiation cooling, and the overall cooling system of generator is formed in two aspects like this.
In sum, the present invention is to use minor axis to arrange the basis to size external rotor generating body as transmission, split the generating output unit of generator, be that the generating body inversion system is loaded on the control panel, and on control panel the empty filter of equipped plug-in type, and adopt the multi-cavity chamber impedance of resonant mode to blend together the type secondary muffler, and strengthen promoting the generator Structure compactedness, be achieved as follows comprehensive advantage after implementing with this:
A, gasoline engine generator compact structure, weight saving, good portability;
B, after control panel was function intensified, complete machine structure was simple, and working service is convenient;
C, the cooling system connection and reasonable arrangement, cooling effect is good;
D realizes that on the basis that reduces the silencing apparatus size noise reduction promotes.
Though more than described the specific 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 by appended claims.

Claims (4)

1. the cooling system of a gasoline engine generator, it is characterized in that, this cooling system comprises two sub-cooling systems, these two sub-cooling systems lay respectively at the both sides of a gasoline engine generator inside, a sub-cooling system comprises starter, silencing apparatus, first intake grill and first exhaust outlet, first intake grill is positioned at the starter outside, first exhaust outlet is positioned on the silencing apparatus, outside air enters the back by this first intake grill petrol engine is cooled off, and goes out by this first exhaust outlet after blowing to this silencing apparatus; Another sub-cooling system comprises work chamber, second intake grill, rear cowl and thermovent, and second intake grill is positioned in the work chamber, and thermovent is positioned on the rear cowl, and outside air enters from this second intake grill, discharges from this thermovent behind the cooled electric generator.
2. the cooling system of gasoline engine generator as claimed in claim 1 is characterized in that, described starter and silencing apparatus are positioned at the relative both sides of gasoline engine generator.
3. the cooling system of gasoline engine generator as claimed in claim 1 is characterized in that, described thermovent is a strip.
4. the cooling system of gasoline engine generator as claimed in claim 1 is characterized in that, described rear cowl and silencing apparatus are positioned at the same side of gasoline engine generator.
CN2009100500942A 2009-04-27 2009-04-27 Cooling system for gasoline engine generator Active CN101705858B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100500942A CN101705858B (en) 2009-04-27 2009-04-27 Cooling system for gasoline engine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100500942A CN101705858B (en) 2009-04-27 2009-04-27 Cooling system for gasoline engine generator

Publications (2)

Publication Number Publication Date
CN101705858A CN101705858A (en) 2010-05-12
CN101705858B true CN101705858B (en) 2011-11-30

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121417B (en) * 2011-03-25 2012-09-26 重庆力华科技有限责任公司 Minitype generator
CN103184930B (en) * 2013-04-03 2015-07-22 重庆鼎工机电有限公司 Silenced type generator set
CN104578715B (en) * 2015-01-28 2018-02-13 苏州圆能动力科技有限公司 A kind of inverter cooling structure of portable power generation unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005100762A1 (en) * 2004-04-13 2005-10-27 Wuxi Kipor Power Co., Ltd. Gas engine generator
CN201025685Y (en) * 2006-11-08 2008-02-20 德欣机电技术(北京)有限公司 Portable digital frequency conversion power generator unit
CN201038927Y (en) * 2007-05-18 2008-03-19 何培祥 A digital permanent magnetic generator unit
AU2006348327A1 (en) * 2006-09-14 2008-03-20 Mitsubishi Heavy Industries, Ltd. Sound-proof engine generator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005100762A1 (en) * 2004-04-13 2005-10-27 Wuxi Kipor Power Co., Ltd. Gas engine generator
AU2006348327A1 (en) * 2006-09-14 2008-03-20 Mitsubishi Heavy Industries, Ltd. Sound-proof engine generator
CN201025685Y (en) * 2006-11-08 2008-02-20 德欣机电技术(北京)有限公司 Portable digital frequency conversion power generator unit
CN201038927Y (en) * 2007-05-18 2008-03-19 何培祥 A digital permanent magnetic generator unit

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