CN114645763B - Air duct of silent generator set - Google Patents
Air duct of silent generator set Download PDFInfo
- Publication number
- CN114645763B CN114645763B CN202210303263.4A CN202210303263A CN114645763B CN 114645763 B CN114645763 B CN 114645763B CN 202210303263 A CN202210303263 A CN 202210303263A CN 114645763 B CN114645763 B CN 114645763B
- Authority
- CN
- China
- Prior art keywords
- cover
- silencer
- air
- air inlet
- box body
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P1/02—Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P1/06—Arrangements for cooling other engine or machine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P2001/005—Cooling engine rooms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P1/02—Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
- F01P2001/023—Cooling cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses an air duct of a silent generator set, which comprises a generator shell and an engine arranged in the generator shell, wherein the generator shell is formed by combining a control panel with a main air inlet and a plurality of shells including a rear cover plate with a generator air outlet, and the engine comprises a box body, a silencer, a starting cover, a box cover with a box cover air inlet, a motor cover, a motor, a cylinder head assembly, a cylinder head outer cover, a fan, a silencer outer cover with a silencer air outlet and a silencer air inlet, a box body outer cover with a box body air inlet and an air duct, so that a first air duct for cooling a cylinder head and a second air duct for cooling the box body are formed. On the premise of ensuring good noise reduction effect of the unit, the ventilation and heat dissipation performance of the unit is greatly improved, so that the performance of the unit is ensured, and the service life is prolonged.
Description
Technical Field
The invention belongs to the technical field of universal generators, and particularly relates to an air duct of a silent generator set.
Background
The generator set is divided into an open-frame generator set and a mute generator set, wherein the whole set of the open-frame engine is exposed outside, and the mute engine is additionally provided with an appearance covering part on the basis of the open-frame engine, and the whole set is sealed except necessary air inlet and outlet, so that the generator set has the functions of sound insulation and rain prevention. The common mute generator set mainly comprises a closed case, a power box body, a motor, a silencer and the like. The engine in the power box body is connected with the motor, and the muffler is connected with the cylinder head in the power box body through the air inlet pipeline.
In order to ensure that the mute generator set can meet the corresponding decibel requirement, the whole engine core is almost sealed in the case, so that the ventilation and heat dissipation of the generator set are poor, the temperature inside the generator set is increased too fast, the performance of the generator set is further seriously influenced, and particularly the service life of the generator set is prolonged.
Disclosure of Invention
The invention aims to provide the air duct of the silent generator set, which greatly improves the ventilation and heat dissipation performance of the generator set on the premise of ensuring the good noise reduction effect of the generator set, thereby ensuring the performance of the generator set and prolonging the service life.
Therefore, the technical scheme adopted by the invention is as follows: a silent generator set air duct comprises a generator shell and an engine arranged in the generator shell, wherein the generator shell is formed by combining a plurality of shells including a control panel and a rear cover plate, the control panel and the rear cover plate are respectively arranged on the front side and the rear side of the engine, a main air inlet for air inlet is formed in the control panel, a generator air outlet for discharging cooling air is formed in the rear cover plate, the engine comprises a box body and a silencer, a starting cover is arranged on the front side of the box body, a box cover is arranged on the rear side of the box body, a motor cover is arranged on the rear side of the box cover, a motor is arranged in the motor cover, a cylinder head assembly is arranged at the cylinder head end of the box body, a cylinder head outer cover is arranged on the cylinder head assembly outer cover, a connecting pipe of the silencer penetrates through the cylinder head outer cover and is arranged on the cylinder head assembly, the silencer outer cover is provided with a silencer outer cover, an air outlet is arranged on the silencer outer cover at the position corresponding to the generator air outlet, a box outer cover is provided with a second air guide cover capable of covering the cylinder head end of the box body and the upper end of the box body, an air inlet is arranged on the side of the silencer outer cover, a second air duct is arranged on the side close to the second air guide cover, and a second air duct is arranged on the side of the second air guide cover, and a second air duct is arranged on the second air guide duct close to the second air inlet;
including first wind channel: cooling air enters the generator shell from the main air inlet, enters the cylinder head outer cover to cool the cylinder head assembly under the action of the starting cover, enters the silencer outer cover along the connecting pipe to cool the silencer, and is discharged along the silencer air outlet and the generator air outlet;
including the second wind channel: cooling air enters the generator shell from the main air inlet, enters the box body outer cover along the box body air inlet to cool the box body under the action of the fan, enters the motor cover along the box cover air inlet, enters the silencer outer cover along the air guide duct and the silencer air inlet to cool the silencer, and is discharged along the silencer air outlet and the generator air outlet.
Preferably, the box housing cover includes a first wind shield, a second wind shield and a third wind shield, the first wind shield is disposed on one side of the starting cover close to the box body and extends toward the box body, the second wind shield is disposed on the top surface of the box body, the third wind shield is disposed on the side surface of the box body, and the box body air inlet is disposed on the second wind shield.
Preferably, a frequency converter wind scooper capable of covering a frequency converter in the generator set is arranged between the control panel and the starting cover, and an inner wind opening is formed in the frequency converter wind scooper.
Preferably, the silencer outer cover comprises an upper silencer cover and a lower silencer cover which are arranged up and down, the silencer air inlet is formed in the lower silencer cover, a wind shield used for preventing the first air channel and the second air channel from crossing is arranged above the silencer air inlet in the lower silencer cover, the wind shield is located in the upper silencer cover, and the silencer air outlet is formed by two semi-elliptical grooves formed in the rear sides of the upper silencer cover and the lower silencer cover in a surrounding mode.
Preferably, an induced draft cover is arranged between the air outlet of the silencer and the air outlet of the generator.
Preferably, the fan is a bidirectional fan, a case cover baffle is arranged behind the case cover air inlet, a motor air inlet is arranged on the rear side of the motor cover, and an auxiliary air inlet is arranged on the rear cover plate;
the cooling air enters the generator shell from the auxiliary air inlet under the action of the bidirectional fan, continues to enter the motor cover along the motor air inlet to cool the motor under the action of the bidirectional fan, then enters the silencer outer cover along the air guide channel and the silencer air inlet to cool the silencer, and is discharged along the silencer air outlet and the generator air outlet.
Further preferably, the auxiliary air inlet is formed in the other side of the motor air inlet, and a circle of baffle extending forwards is arranged at the position, corresponding to the auxiliary air inlet and the motor air inlet, on the front side of the rear cover plate.
Further preferably, the middle lower part of the control panel is provided with a plurality of notches extending obliquely to the rear side, the main air inlet is positioned on the upper top surface of the notches, and the generator air outlet is provided with a grid extending obliquely downwards.
Preferably, the rear cover plate is provided with a plurality of forward hexagonal grooves, part of the hexagonal grooves are formed into through grooves which are communicated front and back, hexagonal blocking columns are arranged in the lower middle parts of the through grooves, and the auxiliary air inlets are formed by the blocking columns and the through grooves.
Further preferably, sound-absorbing cotton is arranged in the generator shell, the box body outer cover and the silencer outer cover.
The invention has the beneficial effects that:
1) The box body outer cover is arranged outside the box body, sound-absorbing cotton is attached to the box body outer cover, the sound-absorbing cotton can absorb partial sound, and meanwhile, the second air duct can guide the sound in the shell and the sound of the motor into the silencer outer cover and then change directions and reduce noise for many times, so that the noise reduction effect of the engine is improved;
2) Through increasing the box dustcoat with box air intake, case lid air intake, wind-guiding way and fan, make the generator when the operation, the cooling air enters into the generator casing by main air intake, under the effect of fan, enter into the box dustcoat along the box air intake and cool off the box, enter into the motor cover along the case lid air intake again, enter into the silencer dustcoat along wind-guiding way and silencer air intake again and cool off the muffler, then discharge along silencer air outlet and generator air outlet, it can take out the temperature in the generator casing, thereby reduce the inside temperature of generator, cool off the box simultaneously, and then guarantee the performance of unit, and service life is prolonged.
Drawings
Fig. 1 is a first schematic view (from the front) of the present invention.
Fig. 2 is a second schematic view (from the back side) of the present invention.
Fig. 3 is a schematic view (from the front side) of an engine according to the present invention.
Fig. 4 is a schematic view (from the rear side) of the engine of the present invention.
Fig. 5 is a first air path schematic diagram (one arrow identifies a first air path, and two arrows identify a second air path) of the present invention.
Fig. 6 is a second air duct schematic diagram (two arrows identify a second air duct, three arrows identify a third air duct, and four arrows identify that the second air duct and the third air duct are combined) of the present invention.
Fig. 7 is an exploded view of the engine of the present invention.
Fig. 8 is an exploded view of the muffler housing of the present invention.
Fig. 9 is a schematic view of a rear cover plate in the present invention.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-9, a silent generator set air duct mainly comprises a generator casing and an engine disposed in the generator casing, wherein the generator casing is formed by combining a plurality of casings including a control panel 1 and a back cover plate 2, the control panel 1 and the back cover plate 2 are respectively disposed on the front side and the back side of the engine, the control panel 1 is provided with a main air inlet 1a for air intake, the back cover plate 2 is provided with a generator air outlet 2a for cooling air exhaust, the engine includes a casing 3 and a muffler 4, the front side of the casing 3 is provided with a start cover 5, the back side of the casing 3 is provided with a casing cover 6, the back side of the casing cover 6 is provided with a motor cover 7, the motor cover 7 is provided with a motor 8, the cylinder head end of the casing 3 is provided with a cylinder head assembly, a connecting pipe of the muffler 4 passes through the cylinder head cover and is disposed on the cylinder head assembly, the muffler 4 cover is provided with a muffler cover 9, and a muffler 9a position corresponding to the generator air outlet 2a is disposed on the muffler cover 9.
The upper surface and the side surface of the box body 3 are provided with a box body outer cover 10 which can cover the cylinder head end of the box body 3 and the upper end of the box body 3, the box body outer cover 10 is provided with a box body air inlet 10a, the upper end of one side, close to the box body 3, of the box cover 6 is provided with a box cover air inlet 6a, and a fan 11 is arranged between the box cover 6 and the motor 8. A first air guide channel 6b is arranged on one side, close to the motor cover 7, of the box cover 6, a second air guide channel 7a matched with the first air guide channel 6b is arranged on one side, close to the box cover 6, of the motor cover 7, and the first air guide channel 6b and the second air guide channel 7a form an air guide channel in an enclosed mode. A silencer air inlet 9b is arranged at the upper end of the silencer outer cover 9 corresponding to the air guide duct, so that the following air duct is formed:
a first air duct: cooling air enters the generator shell from the main air inlet 1a, enters the cylinder head outer cover to cool the cylinder head component under the action of the starting cover 5, enters the silencer outer cover 9 along the connecting pipe to cool the silencer 4, and is discharged along the silencer air outlet 9a and the generator air outlet 2 a;
a second air duct: cooling air enters the generator shell from the main air inlet 1a, enters the box body outer cover 10 along the box body air inlet 10a to cool the box body 3 under the action of the fan 11, enters the motor cover 7 along the box cover air inlet 6a, enters the silencer outer cover 9 along the air guide duct and the silencer air inlet 9b to cool the silencer 4, and is discharged along the silencer air outlet 9a and the generator air outlet 2a.
In order to facilitate the installation of the outer cover of the box body and not change the mold of the box body, the outer cover 10 of the box body comprises a first wind shield 10b, a second wind shield 10c and a third wind shield 10d, wherein the first wind shield 10b is arranged on one side of the starting cover 5 close to the box body 3 and extends towards the box body 3, the second wind shield 10c is arranged on the top surface of the box body 3, the third wind shield 10d is arranged on the side surface of the box body 3, and the air inlet 10a of the box body is arranged on the second wind shield 10c. During installation, the first wind shield is installed on the side face of the box body along with the starting cover, then the second wind shield is installed on the first wind shield and the box cover, and finally the third wind shield is installed on the second wind shield, the first wind shield and the box cover.
In order to increase the cooling effect of the first air duct, a frequency converter air guide cover 12 capable of covering a frequency converter in the generator set is arranged between the control panel 1 and the starting cover 5, and an inner air inlet 12a is arranged on the frequency converter air guide cover 12.
In order to facilitate the installation of the muffler in the muffler housing, the muffler housing 9 includes an upper muffler cover 9c and a lower muffler cover 9d which are disposed up and down, wherein the muffler air inlet 9b is disposed on the lower muffler cover 9d, and the muffler air outlet 9a is defined by two semi-elliptical grooves disposed at the rear sides of the upper muffler cover 9c and the lower muffler cover 9 d. In order to prevent the first air duct and the second air duct from forming a cross in the muffler outer cover and causing disordered air exhaust, a wind shield 13 is arranged above the muffler air inlet 9b on the muffler lower cover 9d, and the wind shield 13 is arranged in the muffler upper cover 9 c.
In order to ensure that the cooling wind energy is directly discharged through the generator air outlet and cannot escape in the generator shell, an induced draft cover 14 is arranged between the silencer air outlet 9a and the generator air outlet 2a.
The fan 11 is a bidirectional fan, a motor air inlet 7b is arranged at the rear side of the motor cover 7, and an auxiliary air inlet 2b is arranged on the rear cover plate 2. And a third air duct is formed, cooling air enters the generator shell from the auxiliary air inlet 2b under the action of the bidirectional fan, continues to enter the motor cover 7 along the motor air inlet 7b under the action of the bidirectional fan to cool the motor 8, then enters the silencer outer cover 9 along the air guide duct and the silencer air inlet 9b to cool the silencer 4, and is discharged along the silencer air outlet 9a and the generator air outlet 2a. The motor is cooled through the motor in the air duct, and meanwhile, noise generated by the motor is brought into the silencer outer cover, and is reduced after being turned for many times.
In order to prevent the second air duct and the third air duct from crossing to cause disordered air exhaust, a case cover baffle 15 is arranged behind the case cover air inlet 6 a.
For preventing that the dust from directly entering into in the motor under the effect of cooling air to influence the motor performance, set up the opposite side at motor air intake 7b at supplementary air intake 2b, in the cooling wind energy that simultaneously for guaranteeing to get into from supplementary air intake 2b mostly enters into the motor cover, be provided with the baffle 2c that the round extends forward in the position department of the front side of back shroud 2 corresponding supplementary air intake 2b and motor air intake 7 b.
In order to prevent rainwater from entering the casing or directly transmitting sound, a plurality of notches 1b extending obliquely towards the rear side are arranged at the middle lower part of the control panel 1, the main air inlet 1a is positioned on the upper top surface of the notches 1b, and the generator air outlet 2a is arranged as a downward oblique grid. Be provided with a plurality of forward hexagon groove 2d on back apron 2, some hexagon groove 2d sets up to the logical groove that link up around, is provided with hexagonal bumping post 2e at the lower middle part that leads to the groove, forms by bumping post 2e and leading to the groove at supplementary air intake 2b.
In order to ensure the sound absorption effect of the generator, sound absorption cotton is arranged in the generator shell, the box body outer cover 10 and the silencer outer cover 9.
When the mute generator set of the embodiment is used for a mute test, the measured noise is 60-64db when the load is 25% and 7m away from the generator set, and the lower noise can reach 67-69db in the prior art.
Claims (8)
1. The utility model provides a silence generator unit wind channel, generating set includes generator housing and the engine of setting in generator housing, generator housing is formed by the combination of control panel (1) and the polylith casing including back shroud (2), control panel (1) and back shroud (2) set up both sides around the engine respectively, be provided with main air intake (1 a) that is used for the air inlet on control panel (1), be provided with on back shroud (2) and be used for cooling air exhaust generator air outlet (2 a), the engine includes box (3) and silencer (4), the front side of box (3) is provided with boot (5), the rear side of box (3) is provided with case lid (6), the rear side of case lid (6) is provided with motor cover (7), be provided with motor (8) in motor cover (7), the cylinder head end of box (3) is provided with the cylinder head subassembly, the cylinder head subassembly dustcoat is equipped with the cylinder head dustcoat, the connecting pipe of silencer (4) passes and sets up on the cylinder head subassembly after the cylinder head dustcoat, silencer (4) is equipped with dustcoat (9), silencer dustcoat (9) correspond to air outlet (9 a) and locate its characterized in that: the air conditioner is characterized in that a box body outer cover (10) capable of covering a cylinder head end of the box body (3) and the upper end of the box body (3) is arranged on the upper surface and the side surface of the box body (3), a box body air inlet (10 a) is formed in the box body outer cover (10), a box cover air inlet (6 a) is formed in the upper end, close to the box body (3), of the box cover (6), a fan (11) is arranged between the box cover (6) and the motor (8), a first air guide channel (6 b) is formed in one side, close to the motor cover (7), of the box cover (6), a second air guide channel (7 a) matched with the first air guide channel (6 b) is formed in one side, close to the box cover (6), of the motor cover (7), the first air guide channel (6 b) and the second air guide channel (7 a) form an air guide channel in an enclosed mode, and a silencer air inlet (9 b) is formed in the upper end, corresponding to the air guide channel, of the silencer outer cover (9);
the silencer outer cover (9) comprises a silencer upper cover (9 c) and a silencer lower cover (9 d) which are arranged up and down, the silencer air inlet (9 b) is arranged on the silencer lower cover (9 d), a wind shield (13) used for preventing the first air channel and the second air channel from being crossed is arranged above the silencer air inlet (9 b) of the silencer lower cover (9 d), the wind shield (13) is arranged in the silencer upper cover (9 c), and the silencer air outlet (9 a) is enclosed by two semi-elliptical grooves arranged at the rear sides of the silencer upper cover (9 c) and the silencer lower cover (9 d); the fan (11) is a bidirectional fan, a box cover baffle (15) is arranged behind the box cover air inlet (6 a), a motor air inlet (7 b) is arranged on the rear side of the motor cover (7), and an auxiliary air inlet (2 b) is arranged on the rear cover plate (2);
including first wind channel: cooling air enters the generator shell from the main air inlet (1 a), enters the cylinder head outer cover to cool the cylinder head component under the action of the starting cover (5), enters the silencer outer cover (9) along the connecting pipe to cool the silencer (4), and is discharged along the silencer air outlet (9 a) and the generator air outlet (2 a);
including the second wind channel: cooling air enters a generator shell from a main air inlet (1 a), enters a box body outer cover (10) along a box body air inlet (10 a) to cool a box body (3) under the action of a fan (11), enters a motor cover (7) along a box cover air inlet (6 a), enters a silencer outer cover (9) along an air guide channel and a silencer air inlet (9 b) to cool a silencer (4), and is discharged along a silencer air outlet (9 a) and a generator air outlet (2 a);
still include the third wind channel: the cooling air enters the generator shell from the auxiliary air inlet (2 b) under the action of the bidirectional fan, continues to enter the motor cover (7) along the motor air inlet (7 b) to cool the motor (8) under the action of the bidirectional fan, then enters the silencer cover (9) along the air guide channel and the silencer air inlet (9 b) to cool the silencer (4), and then is discharged along the silencer air outlet (9 a) and the generator air outlet (2 a).
2. The silent generator set duct of claim 1, wherein: the box body outer cover (10) comprises a first wind shield (10 b), a second wind shield (10 c) and a third wind shield (10 d), the first wind shield (10 b) is arranged on one side, close to the box body (3), of the starting cover (5) and extends towards the box body (3), the second wind shield (10 c) is arranged on the top face of the box body (3), the third wind shield (10 d) is arranged on the side face of the box body (3), and a box body air inlet (10 a) is arranged on the second wind shield (10 c).
3. The silent generator set duct of claim 1, wherein: and a frequency converter air guide cover (12) capable of covering a frequency converter in the generator set is arranged between the control panel (1) and the starting cover (5), and an inner air opening (12 a) is arranged on the frequency converter air guide cover (12).
4. The silent generator set duct of claim 1, wherein: and an induced draft cover (14) is arranged between the silencer air outlet (9 a) and the generator air outlet (2 a).
5. The silent generator set duct of claim 1, wherein: the auxiliary air inlet (2 b) is arranged on the other side of the motor air inlet (7 b), and a circle of baffle (2 c) extending forwards is arranged at the position, corresponding to the auxiliary air inlet (2 b) and the motor air inlet (7 b), of the front side of the rear cover plate (2).
6. The silent generator set duct of claim 1, wherein: the middle lower part of the control panel (1) is provided with a plurality of grooves (1 b) extending towards the rear side in an inclined mode, the main air inlet (1 a) is located on the upper top face of each groove (1 b), and the generator air outlet (2 a) is arranged to be a grid in an inclined mode.
7. The silent generator set duct of claim 5, wherein: be provided with forward hexagon groove (2 d) of a plurality of on back shroud (2), some hexagon groove (2 d) set up to the logical groove that link up around, are provided with hexagonal bumping post (2 e) at the lower middle part that leads to the groove, supplementary air intake (2 b) are formed by bumping post (2 e) and logical groove.
8. The silent generator set duct of claim 1, wherein: and sound absorption cotton is arranged in the generator shell, the box body outer cover (10) and the silencer outer cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303263.4A CN114645763B (en) | 2022-03-24 | 2022-03-24 | Air duct of silent generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303263.4A CN114645763B (en) | 2022-03-24 | 2022-03-24 | Air duct of silent generator set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114645763A CN114645763A (en) | 2022-06-21 |
| CN114645763B true CN114645763B (en) | 2022-12-13 |
Family
ID=81994627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210303263.4A Active CN114645763B (en) | 2022-03-24 | 2022-03-24 | Air duct of silent generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114645763B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042644A (en) * | 2003-07-24 | 2005-02-17 | Fuji Heavy Ind Ltd | Engine generator |
| KR20090051079A (en) * | 2009-03-06 | 2009-05-20 | 미츠비시 쥬고교 가부시키가이샤 | Sound-proof engine generator |
| CN102364073A (en) * | 2011-09-07 | 2012-02-29 | 浙江乐恒动力科技有限公司 | Engine driven generator |
| CN102383926A (en) * | 2011-10-23 | 2012-03-21 | 浙江乐恒动力科技有限公司 | Box-type generator driven by engine |
| JP2012062843A (en) * | 2010-09-16 | 2012-03-29 | Honda Motor Co Ltd | Cover structure of general-purpose liquid-cooled engine |
| CN202866990U (en) * | 2012-10-12 | 2013-04-10 | 苏州晨浩动力设备有限公司 | Air-cooled single-cylinder dipolar low noise petrol generator set |
| 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 |
| CN203879619U (en) * | 2013-12-30 | 2014-10-15 | 隆鑫通用动力股份有限公司 | Silent type generator unit |
| CN104763511A (en) * | 2014-01-07 | 2015-07-08 | 蒋坚 | Double-channel air cooling type small gasoline generator |
| CN105003336A (en) * | 2015-07-28 | 2015-10-28 | 重庆安来动力机械有限公司 | Efficient generator unit with two cooling air ducts |
| CN105443239A (en) * | 2015-12-24 | 2016-03-30 | 重庆安来动力机械有限公司 | Air duct for silent power generator unit |
| CN106988881A (en) * | 2017-06-06 | 2017-07-28 | 无锡华源凯马发动机有限公司 | Air-cooled mute power generator group booster-type cooling system |
| CN109854350A (en) * | 2019-04-04 | 2019-06-07 | 威马农机股份有限公司 | A kind of variable-frequency power generation unit cooling system |
| CN111594312A (en) * | 2020-06-24 | 2020-08-28 | 绿田机械股份有限公司 | Multi-air-duct generator assembly |
| CN112431667A (en) * | 2020-11-03 | 2021-03-02 | 无锡华友发电设备有限公司 | Adopt maze branch wind channel to realize diesel generating set that heat dissipation falls makes an uproar |
| CN214660496U (en) * | 2021-03-26 | 2021-11-09 | 重庆鼎工机电有限公司 | Portable silence variable frequency generator |
| CN113803158A (en) * | 2021-09-03 | 2021-12-17 | 福建永强力加动力设备有限公司 | Novel generator set |
| CN216950542U (en) * | 2022-03-24 | 2022-07-12 | 重庆鼎工机电有限公司 | Cooling air duct for silent generator set |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3654567B2 (en) * | 1999-05-21 | 2005-06-02 | 本田技研工業株式会社 | Engine generator |
| JP2006188980A (en) * | 2005-01-06 | 2006-07-20 | Yamaha Motor Co Ltd | Engine type generator |
| JP4785674B2 (en) * | 2006-08-25 | 2011-10-05 | 本田技研工業株式会社 | Engine-driven work machine |
| CN205445781U (en) * | 2015-12-24 | 2016-08-10 | 重庆安来动力机械有限公司 | A wind channel for silence generator unit |
| CN110685798A (en) * | 2019-09-23 | 2020-01-14 | 福州海霖动力有限公司 | Air-cooled generator set |
| CN212454622U (en) * | 2020-06-24 | 2021-02-02 | 绿田机械股份有限公司 | Multi-air-duct generator assembly |
-
2022
- 2022-03-24 CN CN202210303263.4A patent/CN114645763B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042644A (en) * | 2003-07-24 | 2005-02-17 | Fuji Heavy Ind Ltd | Engine generator |
| KR20090051079A (en) * | 2009-03-06 | 2009-05-20 | 미츠비시 쥬고교 가부시키가이샤 | Sound-proof engine generator |
| JP2012062843A (en) * | 2010-09-16 | 2012-03-29 | Honda Motor Co Ltd | Cover structure of general-purpose liquid-cooled engine |
| CN102364073A (en) * | 2011-09-07 | 2012-02-29 | 浙江乐恒动力科技有限公司 | Engine driven generator |
| CN102383926A (en) * | 2011-10-23 | 2012-03-21 | 浙江乐恒动力科技有限公司 | Box-type generator driven by engine |
| EP2770181A1 (en) * | 2011-10-23 | 2014-08-27 | Zhejiang Everlast Power Co., Ltd | Box-type generator driven by engine |
| CN202866990U (en) * | 2012-10-12 | 2013-04-10 | 苏州晨浩动力设备有限公司 | Air-cooled single-cylinder dipolar low noise petrol generator set |
| CN203879619U (en) * | 2013-12-30 | 2014-10-15 | 隆鑫通用动力股份有限公司 | Silent type generator unit |
| CN103696844A (en) * | 2013-12-30 | 2014-04-02 | 隆鑫通用动力股份有限公司 | Power generating unit |
| CN104763511A (en) * | 2014-01-07 | 2015-07-08 | 蒋坚 | Double-channel air cooling type small gasoline generator |
| CN203702309U (en) * | 2014-01-07 | 2014-07-09 | 蒋坚 | Two-channel air-cooling type small gasoline engine generator |
| CN105003336A (en) * | 2015-07-28 | 2015-10-28 | 重庆安来动力机械有限公司 | Efficient generator unit with two cooling air ducts |
| WO2017016343A1 (en) * | 2015-07-28 | 2017-02-02 | 重庆安来动力机械有限公司 | High-efficiency generator set having dual cooling airway |
| CN105443239A (en) * | 2015-12-24 | 2016-03-30 | 重庆安来动力机械有限公司 | Air duct for silent power generator unit |
| CN106988881A (en) * | 2017-06-06 | 2017-07-28 | 无锡华源凯马发动机有限公司 | Air-cooled mute power generator group booster-type cooling system |
| CN109854350A (en) * | 2019-04-04 | 2019-06-07 | 威马农机股份有限公司 | A kind of variable-frequency power generation unit cooling system |
| CN111594312A (en) * | 2020-06-24 | 2020-08-28 | 绿田机械股份有限公司 | Multi-air-duct generator assembly |
| CN112431667A (en) * | 2020-11-03 | 2021-03-02 | 无锡华友发电设备有限公司 | Adopt maze branch wind channel to realize diesel generating set that heat dissipation falls makes an uproar |
| CN214660496U (en) * | 2021-03-26 | 2021-11-09 | 重庆鼎工机电有限公司 | Portable silence variable frequency generator |
| CN113803158A (en) * | 2021-09-03 | 2021-12-17 | 福建永强力加动力设备有限公司 | Novel generator set |
| CN216950542U (en) * | 2022-03-24 | 2022-07-12 | 重庆鼎工机电有限公司 | Cooling air duct for silent generator set |
Non-Patent Citations (1)
| Title |
|---|
| 风冷式柴油发电机组降噪及散热研究;崔再铎等;《机械》;20150625;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114645763A (en) | 2022-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112431667B (en) | Adopt maze branch wind channel to realize diesel generating set that heat dissipation falls makes an uproar | |
| CN216950542U (en) | Cooling air duct for silent generator set | |
| CN109989826A (en) | Generating set cooling air duct construction | |
| CN114645763B (en) | Air duct of silent generator set | |
| CN201913349U (en) | Enclosed type welding workstation of air-cooled diesel internal combustion engine | |
| CN205365476U (en) | Supply vehicle amortization structure of airing exhaust | |
| CN209671076U (en) | Enhance cooling type generating set | |
| CN202250383U (en) | Automatic control noise-proof diesel power generating set | |
| CN101867246A (en) | Intake end cover structure for generator sets | |
| CN214403756U (en) | Air-cooled diesel generator | |
| CN215109237U (en) | Carriage structure with double air inlet channels and power supply vehicle thereof | |
| CN212202234U (en) | Noise reduction structure of diesel generator set | |
| CN209358345U (en) | A kind of variable-frequency power generation unit dynamical system cooling structure | |
| CN210509378U (en) | Totally enclosed dust-protection silence water-cooled generator group | |
| CN209671075U (en) | Full-enclosed generating set with enhancing cooling air channel | |
| CN113237231A (en) | Gas water heater and air duct structure thereof | |
| CN216477566U (en) | Mute generator set | |
| CN211370539U (en) | Air intake and exhaust heat dissipation system device of diesel generating set | |
| CN216198483U (en) | Super-silent generating set | |
| CN219452212U (en) | Noise reduction and forced heat dissipation diesel generator set silencing box | |
| CN212958853U (en) | Adopt maze branch wind channel to realize diesel generating set that heat dissipation falls makes an uproar | |
| CN210738681U (en) | Ventilation and noise reduction door plate structure of generator set | |
| CN213711150U (en) | Air inlet and exhaust channel of ultra-silent diesel generator set | |
| JPS626853Y2 (en) | ||
| CN113364212B (en) | Cooling air duct of mute variable-frequency generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |