CN202140151U - Ventilating cooling device of digital generator set - Google Patents

Ventilating cooling device of digital generator set Download PDF

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Publication number
CN202140151U
CN202140151U CN201120243699U CN201120243699U CN202140151U CN 202140151 U CN202140151 U CN 202140151U CN 201120243699 U CN201120243699 U CN 201120243699U CN 201120243699 U CN201120243699 U CN 201120243699U CN 202140151 U CN202140151 U CN 202140151U
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CN
China
Prior art keywords
silencing
cover
voluted type
motor
type wind
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201120243699U
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Chinese (zh)
Inventor
马云峰
吴世舟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU ERMA MACHINERY CO Ltd
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SUZHOU ERMA MACHINERY CO Ltd
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Filing date
Publication date
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Priority to CN201120243699U priority Critical patent/CN202140151U/en
Application granted granted Critical
Publication of CN202140151U publication Critical patent/CN202140151U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a ventilating cooling device of a digital generator set, which comprises a generator side cover, a silencer, a crankshaft and an impeller. The silencer is arranged on the outer side of the engine side cover, one end of the crankshaft extends out of the engine side cover, and the impeller is mounted on the crankshaft and positioned between the engine side cover and the silencer. The ventilating cooling device of the digital generator set is characterized in that a volute type air guiding device is further disposed between the engine side cover and the silencer, a main air inlet and a main air outlet are arranged on the volute type air guiding device along the axial direction of the crankshaft, simultaneously, a volute-shaped inner cavity is arranged in the volute type air guiding device, and the impeller is positioned in the volute-shaped inner cavity. The ventilating cooling device is additionally arranged between the engine side cover and the silencer, and after the volute type air guiding device is combined with the impeller in the volute-shaped air guiding device, a 'turbocharging cooling device' is equivalently formed by the volute type air guiding device and the impeller jointly. The 'turbocharging cooling device' can eliminate hot air circulation in the digital generator set, so that cooling effect is strengthened.

Description

Digital electricity generating group ventilation cooling unit
Technical field
the utility model relates to a kind of digital electricity generating group ventilation cooling unit.
Background technique
known silencing type digital electricity generating group all adopts the totally enclosed type design, and motor and generator periphery all are wrapped in by shell, and inner surface of outer cover has also been pasted thick sound-absorbing sponge, and the heat of engine interior is difficult to distribute.The generator set of this kind state requires extraordinary radiating condition is arranged otherwise can cause engine overheat, will cause power to descend in the short time.
1, most of silencing type digital electricity generating groups generally all adopt the super sized type silencing apparatus to obtain better noise reduction in the market; Motor side cover place in this generator set can be occupied by the silencing apparatus position; Although cylinder head and silencing apparatus backplate can constitute an air channel, only can cool off the side of silencing apparatus near cylinder head.In addition because the digital electricity generating group is made every effort to compact structure; Silencing apparatus general all with separated very near of the casing of motor, the motor long-play, the heat that the silencing apparatus surface width of cloth is penetrated can be very fast is transmitted back to the casing side cover; This moment, oil temperature can sharply rise, and machine oil can quicken rotten on high temperature.Motor since lubricated bad can accelerated wear test, even can cause motor to scrap.
2, most digital electricity generating groups all are to utilize to be contained in the blade driving that starts on the end flywheel in the market; Refill a wind scooper then; Wind scooper is by the cooling air cooled engine cylinder head of trying one's best, and hot air is through silencing apparatus and discharge then.Because the path is longer, behind cooling air process cylinder head, has become very hot, and can only cool off the side of silencing apparatus near cylinder head.This moment, silencing apparatus itself was exactly the thermal source resistance of silencing apparatus in addition to silencing apparatus cooling effect extreme difference, and high-temperature gas possibly also can cause the circulation phenomenon.Hot air possibly be stored in the generator set for a long time; Also might be caused intake temperature too high by the absorption of carburetor air mouth this moment, and the intake temperature height can cause the interior gasoline of Carburetor not gasify in advance before the gasification; Cause the motor vapour lock, even can influence the proper functioning of motor.
Summary of the invention
the utility model purpose is: provides a kind of and can eliminate digital electricity generating group internal heat air circulation phenomenon, and the better digital electricity generating group of cooling effect ventilation cooling unit.
The technological scheme of the utility model is: a kind of digital electricity generating group ventilation cooling unit; Silencing apparatus, an end of comprise the motor side cover, being located at the motor side cover outside stretch out the bent axle of motor side cover and are installed on the bent axle and the impeller between motor side cover and silencing apparatus; It is characterized in that also being provided with the voluted type wind-guiding device between said motor side cover and the silencing apparatus; Being axially arranged with of this voluted type wind-guiding device upper edge bent axle is main into and out of the air port; Voluted type wind-guiding device inside has volute shape inner chamber simultaneously, and said impeller is arranged in said volute shape inner chamber.
are further, and the utility model also comprises the cylinder head steam outlet pipe, and said voluted type wind-guiding device is provided with the cylinder head exhaust outlet, and said cylinder head steam outlet pipe passes the cylinder head exhaust outlet and links to each other with silencing apparatus.Certainly the same with routine techniques, an end of cylinder head steam outlet pipe is fixed on the engine cylinder head.
further; The wind-guiding device of voluted type described in the utility model is fastened to form by voluted type wind scooper and voluted type cover plate each other, and volute shape half chamber on the voluted type wind scooper and the mutual amalgamation in volute shape half chamber on the voluted type cover plate form said complete volute shape inner chamber.
are further again, and the cover plate of voluted type described in the utility model is positioned at motor side cover one side, its upper edge bent axle axially have a main air inlet; And said voluted type wind scooper is positioned at silencing apparatus one side, its upper edge bent axle axially have at least two main exhaust outlets.
are preferred, and the volute center of the wind scooper of voluted type described in the utility model overlaps with the impeller center, and the beeline at said impeller center to arbitrary main exhaust outlet edge is greater than impeller diameter.
are preferred, and the cover plate of voluted type described in the utility model covers through bolt to engine side, and leaves the air-out gap between voluted type cover plate and the motor side cover; Said silencing apparatus is through on bolt to the voluted type wind scooper.
are preferred, and the exhaust outlet of cylinder head described in the utility model is axially set on the voluted type wind scooper along bent axle, and is positioned at volute shape half chamber one side on this voluted type wind scooper.
are further, and the utility model also comprises through being bolted to the silencing apparatus cover plate in the silencing apparatus outside.
are preferred, and silencing apparatus described in the utility model is parallel with impeller, and all vertical with bent axle.
are preferred, and main exhaust outlet described in the utility model is evenly spaced apart in the form of a ring.
The mount mode of silencing apparatus, impeller and bent axle described in the utility model, and the Placement of cylinder head steam outlet pipe and silencing apparatus is existing technology, the utility model is no longer stating to this more.
The concrete working principle of the utility model is explained as follows: this digital electricity generating group ventilation cooling unit that the utility model provides is the part of digital electricity generating group; When the digital electricity generating group is worked; Impeller is rotated by crank-driven, impels the cooling of dispelling the heat of air ventilation logarithmic code generator set.The flow direction of gas is mainly divided following three kinds of situation: 1, portion gas sucks from the engine start end, passes through generator unit stator, cylinder head, cylinder head steam outlet pipe, discharges from silencing apparatus at last; 2, portion gas sucks from motor top or sucks from the engine start end, through engine crankcase, impeller, finally quickens to discharge from silencing apparatus by voluted type wind-guiding device pressurization back; 3, (the Carburetor inlet of motor) sucks or sucks from the engine start end from motor cavity bottom, through engine crankcase, impeller, finally quickens to discharge from silencing apparatus by voluted type wind-guiding device pressurization back.
The key technology of the utility model has been set up the voluted type wind-guiding device exactly between motor side cover and silencing apparatus; After this voluted type wind-guiding device impeller inner with it makes up, be equivalent to constitute jointly one " turbosupercharging cooling unit ".Owing to be somebody's turn to do the effect that " turbosupercharging cooling unit " increases; Make the faster of air displacement that generator set is inner; Thereby can take out of by rapidly that generator set is inner high-temp waste gas; Guarantee that simultaneously the heat that Engine Surface is distributed can be siphoned away timely, the ventilation cooling of acceleration generator group.And because the effect of " turbosupercharging cooling unit "; Make the air flow in the generator set flow to exhaust side by the engine start end all the time; Guarantee hot air can be in body circulation, and more positive effect is to guarantee that the carburetor air mouth of motor is fresh cool air all the time.
In and the utility model owing between motor side cover and voluted type cover plate, leave the air-out gap, guarantee from the motor side cover all around the air-flow that sheds of air-out gap can further play good cooling action to engine motor oil.
" turbosupercharging cooling unit " in and the utility model also helps the quickening of engine start end suction port flow velocity.
The main exhaust outlet that is positioned in and the utility model on the voluted type wind scooper of silencing apparatus one side is evenly spaced apart in the form of a ring, has guaranteed that cooling air can cool off silencing apparatus uniformly.
The utility model has the advantages that:
are this digital electricity generating group ventilation cooling unit that provides of the utility model 1.; It is owing to set up the voluted type wind-guiding device between motor side cover and silencing apparatus; After this voluted type wind-guiding device impeller inner with it makes up, be equivalent to constitute jointly one " turbosupercharging cooling unit ", owing to be somebody's turn to do the effect that " turbosupercharging cooling unit " increases; Make the faster of air displacement that generator set is inner; Thereby can take out of by rapidly that generator set is inner high-temp waste gas, guarantee that simultaneously the heat that Engine Surface is distributed can be siphoned away timely, the ventilation cooling of acceleration generator group.
are this digital electricity generating group ventilation cooling unit that provides of the utility model 2.; Because the effect of " turbosupercharging cooling unit "; Make the air flow in the generator set flow to exhaust side by the engine start end all the time; Guarantee hot air can be in body circulation, and more positive effect is to guarantee that the carburetor air mouth of motor is fresh cool air all the time.
are this digital electricity generating group ventilation cooling unit that provides of the utility model 3.; Owing between motor side cover and voluted type cover plate, leave the air-out gap, guarantee from the motor side cover all around the air-flow that sheds of air-out gap can further play good cooling action to engine motor oil.
are this digital electricity generating group ventilation cooling unit that provides of the utility model 4., and its " turbosupercharging cooling unit " also helps the quickening of engine start end suction port flow velocity.
are this digital electricity generating group ventilation cooling unit that provides of the utility model 5.; Its main exhaust outlet that is positioned on the voluted type wind scooper of silencing apparatus one side is evenly spaced apart in the form of a ring, has guaranteed that cooling air can cool off silencing apparatus uniformly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 analyses figure for the stereochemical structure of the utility model digital electricity generating group ventilation cooling unit;
Fig. 2 is the fundamental diagram (digital electricity generating assembling and dismantling decapsidate) of the utility model after being mounted on the digital electricity generating group;
Fig. 3 is the side view (silencing apparatus is to view) of digital electricity generating group shown in Figure 2;
Fig. 4 removes the view behind the silencing apparatus for Fig. 3.
wherein: 1, motor side cover; 2, silencing apparatus; 3, bent axle; 4, impeller; 5, main air inlet; 6, main exhaust outlet; 7, cylinder head steam outlet pipe; 8, cylinder head exhaust outlet; 9, voluted type wind scooper; 10, voluted type cover plate; 11, silencing apparatus cover plate.
A1, a2 and a3 among Fig. 2-Fig. 3 represent three kinds of gas flow situation.
Embodiment
embodiment: at first be illustrated in figure 1 as a kind of embodiment of the utility model digital electricity generating group ventilation cooling unit, it is made up of motor side cover 1, silencing apparatus 2, bent axle 3, impeller 4, cylinder head steam outlet pipe 7, voluted type wind-guiding device and silencing apparatus cover plate 11 jointly.
said motor side cover 1 equally is installed in engine crankcase one side with routine techniques, and said silencing apparatus 2 is located at the outside of motor side cover 1, and bent axle 3 one ends of motor stretch out motor side cover 1, and mounted impeller 4 on it.Between said motor side cover 1 and silencing apparatus 2, be provided with the voluted type wind-guiding device in the present embodiment; This voluted type wind-guiding device is fastened to form by voluted type wind scooper 9 and voluted type cover plate 10 each other; Volute shape half chamber and the mutual amalgamation in volute shape half chamber on the voluted type cover plate 10 on the voluted type wind scooper 9 form complete volute shape inner chamber, and said impeller 4 just is arranged in this volute shape inner chamber.
said voluted type cover plate 10 is positioned at motor side cover 1 one sides, its upper edge bent axle 3 axially have a main air inlet 5; And said voluted type wind scooper 9 is positioned at silencing apparatus 2 one sides, its upper edge bent axle 3 axially have two main exhaust outlets 6, two main exhaust outlets 6 are evenly spaced apart in the form of a ring described in the present embodiment, and are diagonally opposing corner one on the other and distribute.The volute center of said voluted type wind scooper 9 overlaps with impeller 4 centers, and the beeline at said impeller 4 centers to arbitrary main exhaust outlet 6 edges is greater than impeller 4 diameters.
said voluted type cover plate 10 passes through on bolt to the motor side cover 1, and leaves the air-out gap between voluted type cover plate 10 and the motor side cover 1; 2 of said silencing apparatuss pass through on bolt to the voluted type wind scooper 9, and said silencing apparatus cover plate 11 is again through being bolted to the outside of silencing apparatus 2.
The voluted type wind-guiding device is provided with cylinder head exhaust outlet 8 described in present embodiment, and said cylinder head exhaust outlet 8 is specifically along being axially set on the voluted type wind scooper 9 of bent axle 3, and is positioned at volute shape half chamber one side on this voluted type wind scooper 9.One end of said cylinder head steam outlet pipe 7 equally is fixed on the engine cylinder head with routine techniques, links to each other with silencing apparatus 2 and the other end passes cylinder head exhaust outlet 8.
Silencing apparatus 2 is parallel with impeller 4 described in present embodiment, and all vertical with bent axle 3; And silencing apparatus 2 is across two main exhaust outlets 6 on cylinder head exhaust outlet 8 and the voluted type wind scooper 9.
combine Fig. 2, Fig. 3 and shown in Figure 4; This digital electricity generating group ventilation cooling unit that present embodiment provides is the part of digital electricity generating group; When the digital electricity generating group is worked; Impeller 4 is by bent axle 3 rotary driving, impels the cooling of dispelling the heat of air ventilation logarithmic code generator set.The flow direction of gas mainly divides following three kinds of situation: a1, portion gas to suck from the engine start end, passes through generator unit stator, cylinder head, cylinder head steam outlet pipe 7, discharges from silencing apparatus 2 at last; A2, portion gas suck from motor top or suck from the engine start end, through engine crankcase, impeller 4, finally quicken to discharge from silencing apparatus 2 by voluted type wind-guiding device pressurization back; 3, (the Carburetor inlet of motor) sucks or sucks from the engine start end from motor cavity bottom, through engine crankcase, impeller 4, finally quickens to discharge from silencing apparatus 2 by voluted type wind-guiding device pressurization back.
The key technology of present embodiment has been set up the voluted type wind-guiding device exactly between motor side cover 1 and silencing apparatus 2; After this voluted type wind-guiding device impeller 4 inner with it makes up, be equivalent to constitute jointly one " turbosupercharging cooling unit ".Owing to be somebody's turn to do the effect that " turbosupercharging cooling unit " increases; Make the faster of air displacement that generator set is inner; Thereby can take out of by rapidly that generator set is inner high-temp waste gas; Guarantee that simultaneously the heat that Engine Surface is distributed can be siphoned away timely, the ventilation cooling of acceleration generator group.And because the effect of " turbosupercharging cooling unit "; Make the air flow in the generator set flow to exhaust side by the engine start end all the time; Guarantee hot air can be in body circulation, and more positive effect is to guarantee that the carburetor air mouth of motor is fresh cool air all the time.
In and the present embodiment owing between motor side cover 1 and voluted type cover plate 10, leave the air-out gap, guarantee from the motor side cover all around the air-flow that sheds of air-out gap can further play good cooling action to engine motor oil.
" turbosupercharging cooling unit " in and the utility model also helps the quickening of engine start end suction port flow velocity.
The main exhaust outlet 6 that is positioned in and the present embodiment on the voluted type wind scooper 9 of silencing apparatus 2 one sides is evenly spaced apart in the form of a ring, has guaranteed that cooling air can cool off silencing apparatus 2 uniformly.
the foregoing description certainly only are the technical conceive and the characteristics of explanation the utility model; Its purpose is to let the people who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalent transformation or modifications of doing according to the spirit of the utility model main technical schemes all should be encompassed within the protection domain of the utility model.

Claims (10)

1. digital electricity generating group ventilation cooling unit; Comprise motor side cover (1), be located at silencing apparatus (2), the bent axle (3) that an end stretches out motor side cover (1) in motor side cover (1) outside and be installed in bent axle (3) and go up and be positioned at the impeller (4) between motor side cover (1) and the silencing apparatus (2); It is characterized in that also being provided with the voluted type wind-guiding device between said motor side cover (1) and the silencing apparatus (2); Being axially arranged with of this voluted type wind-guiding device upper edge bent axle (3) is main into and out of the air port (5,6); Voluted type wind-guiding device inside has volute shape inner chamber simultaneously, and said impeller (4) is arranged in said volute shape inner chamber.
2. digital electricity generating group ventilation cooling unit according to claim 1; It is characterized in that also comprising cylinder head steam outlet pipe (7); Said voluted type wind-guiding device is provided with cylinder head exhaust outlet (8), and said cylinder head steam outlet pipe (7) passes cylinder head exhaust outlet (8) and links to each other with silencing apparatus (2).
3. digital electricity generating group ventilation cooling unit according to claim 2; It is characterized in that said voluted type wind-guiding device is fastened to form by voluted type wind scooper (9) and voluted type cover plate (10) each other, volute shape half chamber on the voluted type wind scooper (9) and the mutual amalgamation in volute shape half chamber on the voluted type cover plate (10) form said complete volute shape inner chamber.
4. digital electricity generating group ventilation cooling unit according to claim 3 is characterized in that said voluted type cover plate (10) is positioned at motor side cover (1) one side, its upper edge bent axle (3) axially have a main air inlet (5); And said voluted type wind scooper (9) is positioned at silencing apparatus (2) one sides, its upper edge bent axle (3) axially have at least two main exhaust outlets (6).
5. digital electricity generating group ventilation cooling unit according to claim 4; The volute center that it is characterized in that said voluted type wind scooper (9) overlaps with impeller (4) center, and the beeline at said impeller (4) center to arbitrary main exhaust outlet (6) edge is greater than impeller (4) diameter.
6. digital electricity generating group ventilation cooling unit according to claim 4; It is characterized in that said voluted type cover plate (10) through on bolt to the motor side cover (1), and leave the air-out gap between voluted type cover plate (10) and the motor side cover (1); Said silencing apparatus (2) is through on bolt to the voluted type wind scooper (9).
7. according to claim 3 or 4 described digital electricity generating group ventilation cooling units; It is characterized in that said cylinder head exhaust outlet (8) along being axially set on the voluted type wind scooper (9) of bent axle (3), and be positioned at volute shape half chamber one side on this voluted type wind scooper (9).
8. according to claim 1 or 6 described digital electricity generating group ventilation cooling units, it is characterized in that also comprising through being bolted to the silencing apparatus cover plate (11) in silencing apparatus (2) outside.
9. according to claim 1 or 2 or 6 described digital electricity generating group ventilation cooling units, it is characterized in that said silencing apparatus (2) is parallel with impeller (4), and all vertical with bent axle (3).
10. according to claim 4 or 5 described digital electricity generating group ventilation cooling units, it is characterized in that said main exhaust outlet (6) is evenly spaced apart in the form of a ring.
CN201120243699U 2011-07-12 2011-07-12 Ventilating cooling device of digital generator set Withdrawn - After Issue CN202140151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120243699U CN202140151U (en) 2011-07-12 2011-07-12 Ventilating cooling device of digital generator set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120243699U CN202140151U (en) 2011-07-12 2011-07-12 Ventilating cooling device of digital generator set

Publications (1)

Publication Number Publication Date
CN202140151U true CN202140151U (en) 2012-02-08

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Application Number Title Priority Date Filing Date
CN201120243699U Withdrawn - After Issue CN202140151U (en) 2011-07-12 2011-07-12 Ventilating cooling device of digital generator set

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102242666A (en) * 2011-07-12 2011-11-16 苏州市双马机电有限公司 Ventilated cooling device of digital generating set
CN103527301A (en) * 2013-10-31 2014-01-22 唐荣春 Cooling water channel side cover pressurized airflow cooler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102242666A (en) * 2011-07-12 2011-11-16 苏州市双马机电有限公司 Ventilated cooling device of digital generating set
CN103527301A (en) * 2013-10-31 2014-01-22 唐荣春 Cooling water channel side cover pressurized airflow cooler
CN103527301B (en) * 2013-10-31 2015-08-12 唐荣春 A kind of cooling water channel limit lid pressurized air stream cooler

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AV01 Patent right actively abandoned

Granted publication date: 20120208

Effective date of abandoning: 20130306

RGAV Abandon patent right to avoid regrant