CN201103464Y

CN201103464Y - Underpan structure of air cooling generator set

Info

Publication number: CN201103464Y
Application number: CNU2007200425435U
Authority: CN
Inventors: 肖亨琳
Original assignee: Wuxi Kipor Power Co Ltd
Current assignee: Wuxi Kipor Power Co Ltd
Priority date: 2007-11-16
Filing date: 2007-11-16
Publication date: 2008-08-20
Anticipated expiration: 2017-11-16

Abstract

The utility model relates to a chassis structure of a wind-cooling generating set, which is characterized in that an air inlet is arranged at the front end F of the chassis; a main air duct is arranged in the air inlet horizontally; the end of the main air duct is provided with a baffle which separates the main air duct from an air outlet in an air tightness way; the air outlet pointing at inclined lower direction is positioned at the rear end of the chassis and the air outlet; a first air distribution port, a second air distribution port and a third air distribution port communicated with an engine cover assembly are respectively arranged on the main air duct; one end of an air guiding channel is communicated with the first air distribution port; while the other end is communicated with the outlet of the air guiding channel. The actions of absorption and scattering of the ground to noise are fully utilized by the chassis structure of the wind-cooling generating set so that a noise field with relatively high directivity, which is radiated from the air outlet of the generating set, is decayed and weakened, thus reducing the noise of the whole engine; the arrangement of a plurality of air distribution ports can guarantee suitable cooling of each part in a cover shell of the generating set, prolong the service life of corresponding parts and ensure the constant working stability of the generating set.

Description

A kind of chassis structure of air-cooled generator set

Technical field

The utility model relates to a kind of chassis structure of air-cooled generator set, specifically belongs to portable power supply base technical field.

Background technique

In prior art, the chassis of air-cooled internal combustion engine generator group only is provided with intake grill usually and seldom sets out the air port on the chassis, and discharge in the air channel that cooling air is mostly opened on the unit upper body.In addition, some air-cooled generator set is introduced cooling air from the outside after, lack necessary wind direction guiding and air quantity and distribute means, the cool air utilization ratio is lower.

China Patent No. is ZL02143431.X, open day is the patent documentation on April 20th, 2005, the patent of invention of a kind of " generator of engine unit " by name is disclosed, what its underpan air inlet was located at two ends respectively starts import of pusher side outside air and the import of generating pusher side outside air, and exhaust port then is located at the top of generator set sound proof box.

The generator set aeration structure that the document the relates to part that still has some deficits.As everyone knows, no matter take which kind of measure, the exhaust port of generator set remains the passage that leaks of unit internal noise, the exhaust port of generator set is located on the case (or claiming sound proof box) on unit top, the noise that leaks from this position must send the radiation with certain Directivity by this opening, forms the very noisy field in the part.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency, thereby provide a kind of chassis structure of air-cooled generator set, can guarantee the efficient cooling of generator set inside, can reduce total noise of centrifuge again, and interior each parts of unit case all can suitably be cooled off, guarantee the unit long term operation stability.

Main solution of the present utility model is achieved in that

The utility model comprises the chassis, feature is to have intake grill on the front end F on chassis end, the main wind passage horizontal arrangement is in intake grill, end on the chassis is provided with the partition-type structures part with main wind passage and the airtight separation of exhaust port, the described extreme end of chassis is provided with exhaust port, and discharge directions is pointed to tiltedly below, is having first air distribution outlet, second air distribution outlet and the 3rd air distribution outlet that is communicated with within the hood assembly on the main wind passage, wind channel one end is communicated with first air distribution outlet, and the other end is communicated with the wind channel outlet.

Be connected pipe support, pipe support and powered support mounting hole coaxial line on described chassis base plate and the powered support attachment face.

Have rectangular opening above the described main wind passage, the main wind passage cover plate is fastened on the rectangular opening its covering.

Described main wind passage cover plate has the power air distribution port near L position, left side, chassis, and the power air distribution port provides its burning required fresh air to motor.

Described chassis left sideboard and the screen plate of making an uproar is connected, and in main wind passage power air distribution port three bread is enclosed, and the screen plate of making an uproar is between power air distribution port and the suction port.

Described main wind passage inside, wind channel inside and main wind passage cover plate top all posts the noise reduction sponge.

Described exhaust port middle part has an outlet pipe via hole that can supply tailpipe to stretch out.

The surface is provided with an exhaust sealing face on the described exhaust port, with the sealing gasket sealing, prevents from that the hot cooling air that is about to discharge herein from returning to scurry between the outlet of sealing surface and muffler cover.

The middle part of right side, described chassis R side is provided with a machine oil funnel, can draw outside the chassis from the machine oil that engine crankcase is discharged; Be provided with the electric power storage stall above the left front portion in described chassis; The bottom of rear and front end, described chassis connects two wheel shafts that are arranged in parallel.

The upper edge of side plate is welded with several nuts, as the mounting connection structure of hood assembly on the chassis around the described chassis.

Compared with the prior art the utility model has the following advantages:

1, with exhaust port design on the chassis of generator set and its opening is tilted to down, made full use of absorption and the scattering process of ground in the face of noise, make to obtain decay and reduction to noise field extraradial, that have than highly directive from the generator set exhaust port.

2, adopt a plurality of air distribution outlets that the flow direction and the flow of cooling air are carried out reasonable disposition, make that interior each parts of unit case all can suitably be cooled off, can prolong the working life of related components, guarantee the unit long term operation stability.

3, because intake grill, exhaust port and each air distribution outlet relevant with the cooling air quantity distribution all are located on the chassis, the configuration of each position institute required airflow of generator set is easy to control and adjusts, during the allotment of the air quantity in temperature field is tested in optimizing unit, testing program is greatly simplified, the test process is obviously accelerated, can also reduce simultaneously the manpower and the material resources consumption of process of the test, shorten the research and development of new product cycle.

4, the make an uproar use of plate and noise reduction sponge of screen all helps reducing the overall noise level of generator set.

Description of drawings

Fig. 1 is that the utility model uses in the phase diagram of generator set inner body cooling structure.

Fig. 2 is the schematic perspective view of the air-cooled generator set chassis structure of the utility model.

Fig. 3 is the longitudinal section schematic representation of the air-cooled generator set chassis structure of the utility model.

Fig. 4 is the plan view of the utility model Fig. 3.

Fig. 5 is the A-A generalized section among the utility model Fig. 3.

Fig. 6 is the chassis relief opening projection drawing of seeing from the B end observation station of Fig. 3.

Fig. 7 is the chassis air inlet mouth projection drawing of seeing from the F end observation station of Fig. 3.

Fig. 8 is the B-B cutaway view Amplified image among Fig. 4.

Embodiment

The present invention will be further described below in conjunction with the drawings and specific embodiments:

The aeration structure of the utility model generator set mainly comprises chassis 1, intake grill 2, main wind passage 3, first air distribution outlet 4, second air distribution outlet 5, the 3rd air distribution outlet 6, wind channel 7, wind channel outlet 8, pipe support 9, shield the plate 10 of making an uproar, exhaust port 11, noise reduction sponge 12, sealing gasket 13, electric power storage stall 14, main wind passage cover plate 15, power air distribution port 16, powered support mounting hole 17, machine oil funnel 18, exhaust sealing face 19, outlet pipe via hole 20, wheel shaft 21, generator of engine assembly 22, engine blower 23, silencing apparatus 24, muffler cover 25, hood assembly 26, outlet pipe 27, dividing plate 28, front end F, rear end B, left side L, right side R.

As Fig. 1～shown in Figure 8, chassis 1 is to be combined by the steel plate member through punching press, stamping-out, and compound mode mainly is that welding is connected with bolt.Have intake grill 2 on the chassis 1 of front end F end, from this intake grill 2 main wind passage 3 that inwardly is horizontal arrangement, main wind passage 3 and intake grill 2 relative distal-most end have dividing plate 28, with airtight separation between main wind passage 3 and the exhaust port 11; Main wind passage 3 has first air distribution outlet 4, second air distribution outlet 5 and the 3rd air distribution outlet 6 within the hood assembly 26, and the circulation area of each air distribution outlet is all set through artificial, and wind channel 7 is communicated with first air distribution outlet 4 and wind channel outlet 8; Pipe support 9 and support mounting hole 17 coaxial lines, this pipe support 9 connects together powered support mounting hole 17 and chassis base plate rigidly, with the support of reinforcing stimulus alternator assembly 22; On the main wind passage 3 at chassis middle part, have a rectangular opening, main wind passage cover plate 15 usefulness bolton on this rectangular opening with its covering; Near L position, left side, chassis, have power air distribution port 16 at main wind passage cover plate 15, this power air distribution port 16 just plays a part proximad that motor provides its required fresh air that burns; Shield the plate 10 of making an uproar and combine, in main wind passage 3, power air distribution port 16 3 bread are enclosed, shield the plate 10 residing orientation of making an uproar and be in just between power air distribution port 16 and the suction port 2, in order to of the radiation of shielding noise to suction port 2 directions with the chassis left sideboard; Main wind passage 3 inside, wind channel 7 inside and main wind passage cover plate 15 top all posts noise reduction sponge 12; Exhaust port 11 is arranged in extreme end of chassis B and holds, and discharge directions is pointed to tiltedly below, and the exhaust port middle part has an outlet pipe via hole 20 that can supply tailpipe to stretch out; On exhaust port 11 inside segment spaces, be provided with an exhaust sealing face 19, the downward outlet of sealing face 19 and the muffler cover 25 that surrounds outlet pipe 27 is corresponding, with sealing gasket 13 sealings, prevent from that the hot cooling air that is about to discharge herein from returning to scurry between the outlet of sealing surface 19 and muffler cover; The middle part of right side, chassis R side is provided with a machine oil funnel 18, can draw outside the chassis from the machine oil that engine crankcase is discharged; Be provided with electric power storage stall 14 above the left front portion in chassis; The bottom of rear and front end, chassis also is welded with two wheel shafts that are arranged in parallel 21, so that the wheel of generator set is installed; Main wind passage 3 and wind channel 7 inside and main wind passage cover plate 15 top all sticked noise reduction sponge 12; The upper edge of side plate is welded with several nuts, as the mounting connection structure of hood assembly 26 on the chassis around on the chassis.

Working principle of the present utility model:

As shown in Figure 1, under the pumping action of engine blower 23, cool air sucks main wind passage 3 from underpan air inlet 2, enter in the hood assembly 26 from first air distribution outlet 4, second air distribution outlet 5 and the 3rd air distribution outlet 6 respectively according to the air quantity ratio of setting, wherein, the cooling air of introducing from first air distribution outlet 4 is connected with an air blowing device through a wind channel 7, this air blowing device will be divided into two-way again after will entering wherein cooling air shunting, allotment, respectively to arranging that some parts in its vicinity implement cooling; Cooling air from second air distribution outlet 5 is introduced mainly flows through from the bottom of generator of engine assembly 22, before entering generator of engine assembly 22, blows over the parts of being located at generator of engine assembly 22 front ends and implements cooling; Be positioned at less the 3rd air distribution outlet 6 of two areas of both sides, chassis, with the upwards guiding of a part of cooling air, brush the outer surface of generator of engine assembly 22, and will accumulate in generator of engine assembly 22 superjacent air spaces, especially the portion of hot Air Entrainment of silencing apparatus case 25 superjacent air spaces and take away; The cooling air of aforementioned these different parts of flowing through, after finishing the cooling task in generator set outer space, whole launched machine fans 23 suck the inner space of generator of engine assembly 22, generator, motor and silencing apparatus 24 are cooled off, discharge to oblique lower direction from the exhaust port 11 of extreme end of chassis B end at last.

The make an uproar setting of plate 10, noise reduction sponge 12 of screen, and the exhaust port 11 air draft direction of being got all help reducing the overall noise level of generator set.

Claims

1, a kind of chassis structure of air-cooled generator set, comprise chassis (1), it is characterized in that on the front end of chassis (1), having intake grill (2), main wind passage (3) horizontal arrangement is in intake grill (2), the end of (1) is provided with the dividing plate (28) of main wind passage (3) with the airtight separation of exhaust port (11) on the chassis, described exhaust port (11) is arranged on rear end, chassis (1), discharge directions is pointed to tiltedly below, on main wind passage (3), have first air distribution outlet (4), second air distribution outlet (5) and the 3rd air distribution outlet (6), wind channel (7) one ends are communicated with first air distribution outlet (4), and the other end is communicated with wind channel outlet (8).

2, the chassis structure of a kind of air-cooled generator set according to claim 1 is characterized in that being connected pipe support (9) on bottom surface, described chassis (1) and the powered support attachment face pipe support (9) and powered support mounting hole (17) coaxial line.

3, the chassis structure of a kind of air-cooled generator set according to claim 1 is characterized in that having rectangular opening above the described main wind passage (3), and main wind passage cover plate (15) is fastened on the rectangular opening.

4, the chassis structure of a kind of air-cooled generator set according to claim 3 is characterized in that described main wind passage cover plate (15) is provided with power air distribution port (16).

5, the chassis structure of a kind of air-cooled generator set according to claim 1 and 2, it is characterized in that described chassis (1) left sideboard and the screen plate (10) of making an uproar is connected, in main wind passage (3), power air distribution port (16) is surrounded, shield the plate (10) of making an uproar and be between power air distribution port (16) and the suction port (2).

6,, it is characterized in that described main wind passage (3) is inner, the top of wind channel (7) inside and main wind passage cover plate (15) all post noise reduction sponge (12) according to the chassis structure of claim 1 or 3 described a kind of air-cooled generator set.

7, the chassis structure of a kind of air-cooled generator set according to claim 1 is characterized in that the upper surface of described exhaust port (11) is provided with exhaust sealing face (19), between sealing surface (19) and the muffler cover outlet sealing gasket (13) is set.

8,, it is characterized in that described exhaust port (11) middle part has exhaust duct aperture (20) according to the chassis structure of claim 1 or 7 described a kind of air-cooled generator set.

9, the chassis structure of a kind of air-cooled generator set according to claim 1 is characterized in that the middle part on right side, described chassis (1) is provided with machine oil funnel (18), is provided with electric power storage stall (14) above the left front portion in described chassis; The bottom of rear and front end, described chassis connects the wheel shaft (21) that is arranged in parallel.