CN113982734B - Air cooling heat dissipation device and method for gasoline generator set - Google Patents
Air cooling heat dissipation device and method for gasoline generator set Download PDFInfo
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- CN113982734B CN113982734B CN202111335347.8A CN202111335347A CN113982734B CN 113982734 B CN113982734 B CN 113982734B CN 202111335347 A CN202111335347 A CN 202111335347A CN 113982734 B CN113982734 B CN 113982734B
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- 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
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- 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
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention provides an air-cooled heat dissipation device and method of a gasoline generator set, wherein the air-cooled heat dissipation device comprises a shell and a generator set arranged in the shell, and the generator set comprises a generator and an engine which are connected; the outer walls of two opposite sides of the shell are respectively provided with an axial flow fan and an air outlet, the axial flow fan is arranged close to the generator, and the air outlet is arranged close to the engine; the engine heat dissipation channel and the generator heat dissipation channel are formed inside the shell, one end of the engine heat dissipation channel is located at the axial flow fan, the other end of the engine heat dissipation channel is located at the air outlet after passing through the engine, one end of the generator heat dissipation channel is located at the axial flow fan, and the other end of the generator heat dissipation channel is connected into the engine heat dissipation channel after passing through the generator. The invention introduces cold air and discharges hot air through the shortest heat dissipation channel, and the introduced cold air flows around the periphery of the generator set to realize all-dimensional heat dissipation; and effectively reduce the noise that generating set work produced.
Description
Technical Field
The invention belongs to the technical field of gasoline generating sets, and particularly relates to an air cooling heat dissipation device and an air cooling heat dissipation method for a gasoline generating set.
Background
During the operation of the gasoline generating set, fuel in an engine cylinder burns and the loss of a generator generates a large amount of heat to cause the temperature of the generating set to rise, and the over-high temperature of the generating set can cause the efficiency to drop, parts are aged and damaged too fast, and even the generating set has the fault that the engine is stopped and cannot be started. Meanwhile, when a gasoline generating set runs, noise is generated by exhaust emission, running of each moving part and gasoline combustion, and serious influence is caused on life and work of neighboring residents.
At present, fan blades are mounted on a motor shaft of an air-cooling heat dissipation structure of a small-sized generator set and are driven by the motor shaft to rotate so as to realize self-cooling, but the mode is greatly influenced by the rotating speed of the motor and the heat dissipation effect of the generator set with slightly large power is poor. Meanwhile, the noise of the tail gas of the small gasoline generator is mostly reduced by using a silencer, but the insulation and reduction of mechanical noise and combustion noise are less considered.
CN109973215A discloses silence cooling function engine unit, includes the quick-witted case, the rear side fixedly connected with air-cooler of machine roof portion, the bottom of machine incasement wall is provided with the mounting panel. Carry out the shock attenuation to the mounting panel through spring unit, reduce the top noise of engine, can absorb the noise through the soundproof cotton board and prevent the noise outdiffusion, dispel the heat to the bottom of engine through installation department heat dissipation mechanism simultaneously. This diesel engine group has carried out effectual noise reduction to the engine block, but the structure of heat dissipation part is comparatively complicated.
CN113202623A discloses generating set vibration/noise reduction device includes: a noise reduction box; the exhaust noise reduction mechanism is arranged at the left position of the front end surface of the noise reduction box; the heat dissipation mechanism is connected to the left end face of the noise reduction box; the damping mechanism is connected to the inside of the noise reduction box; and the cooling water circulation mechanism is arranged on the end face of the rear side in the noise reduction box. This vibration/noise reduction device adopts cooling water circulation mechanism to cool down the processing to generating set, and the device structure is complicated, and the volume is great, is not fit for being used for small-size generating set's heat radiation structure.
CN213711175U discloses a novel tow truck formula generating set of continuous operation of making an uproar falls, including the guard box, the lower extreme fixed mounting of guard box has link down, the left and right sides movable mounting of link below has the running wheel down, the front end fixed mounting of guard box has the main chamber door, both ends fixed mounting has the side chamber door about the guard box, the left end fixed mounting of link has the traction frame down, the inboard below fixed mounting of guard box has the steel base, the lower extreme of steel base is located the inboard lower extreme fixed mounting of guard box has the heat absorption cotton layer, and the device adopts the water tank to cool down the processing to generating set equally.
Therefore, the air-cooled heat dissipation device with the simple structure for the generator set is reasonably designed, the cooling air can be fully utilized to realize all-round uniform heat dissipation of the generator set through the shortest heat dissipation channel, and the noise generated during the work of the generator set can be effectively reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an air-cooling heat dissipation device and an air-cooling heat dissipation method for a gasoline generator set, which optimize a heat dissipation channel, have simple structure and few parts, introduce cold air into and discharge hot air through the shortest heat dissipation channel, realize all-dimensional heat dissipation by the fact that the introduced cold air flows around the periphery of the generator set, and effectively reduce the temperature of the generator set. Meanwhile, the air cooling heat dissipation device of the gasoline generator set provided by the invention can effectively reduce the noise generated by the operation of the generator set.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides an air-cooled heat dissipation device of a gasoline generator set, which comprises a shell and the generator set arranged in the shell, wherein the generator set comprises a generator and an engine which are connected; the outer walls of two opposite sides of the shell are respectively provided with an axial flow fan and an air outlet, the axial flow fan is close to the generator, and the air outlet is close to the engine.
The inside formation engine heat dissipation channel and the generator heat dissipation channel of casing, engine heat dissipation channel's one end is located axial fan, via the other end is located behind the engine the air outlet, generator heat dissipation channel's one end is located axial fan, via the other end inserts behind the generator engine heat dissipation channel.
And cold air introduced by the axial flow fan respectively enters the generator heat dissipation channel and the engine heat dissipation channel, and is discharged from the air outlet after heat dissipation is respectively carried out on the generator and the engine.
In the invention, the axial flow fan adopts the low-noise axial flow fan, and the position of the axial flow fan is higher than the axis of the generator and lower than the air outlet, so that part of cold air can directly flow through the engine; and meanwhile, when cold air flows through the generator heat dissipation channel and the engine heat dissipation channel, the cold air can flow around the periphery of the generator set to realize all-dimensional heat dissipation, and the heat of the generator set is taken out from the air outlet in time.
In addition, the axial flow fan respectively introduces cold air into the generator heat dissipation channel and the engine heat dissipation channel, wherein the cold air in the generator heat dissipation channel flows through the generator, takes away heat of the generator and then converges into the engine heat dissipation channel, and the cold air in the engine heat dissipation channel dissipates heat of the engine together.
The air-cooled heat dissipation device for the gasoline generator set optimizes the heat dissipation channel, has a simple structure and few components, introduces cold air and discharges hot air through the shortest heat dissipation channel, and the introduced cold air flows around the periphery of the generator set to realize all-dimensional heat dissipation, thereby effectively reducing the temperature of the generator set.
As a preferable technical solution of the present invention, the housing includes a first housing and a second housing that are engaged with each other.
Preferably, the inner surface of the housing is provided with a noise reduction assembly.
The noise reduction assembly arranged in the shell can effectively isolate and reduce mechanical noise and combustion noise generated by the work of the generator set.
Preferably, the noise reduction assembly comprises a flow guide structure, ribs and a heat and sound insulation liner which are sequentially stacked on the inner surface of the shell, wherein the flow guide structure is used for controlling the flow direction of the cold air.
Preferably, the ribs are of a convex structure.
Preferably, the shell, the flow guide structure and the ribs are integrally formed.
As a preferable aspect of the present invention, the engine is fixed inside the housing by an engine mount.
Preferably, the outer wall of the engine is provided with cooling fins.
Preferably, the outer side wall of the housing is further provided with a tail gas outlet, and the tail gas outlet is used for discharging tail gas of the engine.
Preferably, a silencer is arranged at the tail gas outlet.
Preferably, a silencer clapboard is arranged between the silencer and the tail gas outlet.
Preferably, the surface of the muffler partition is provided with a heat insulating lining.
In the invention, heat brought by tail gas generated by the work of the engine is led out to the outside by the silencer through radiation, and the tail is subjected to noise reduction treatment on the tail gas through the silencer and the silencer clapboard.
As a preferred technical solution of the present invention, the axial flow fan, the engine fixing frame and the heat and sound insulating pad enclose the generator heat dissipation channel, and cold air introduced by the axial flow fan enters the engine heat dissipation channel after flowing through the engine fixing frame and the heat and sound insulating pad.
The generator heat dissipation channel surrounds the generator, so that the omnibearing heat dissipation of cold air on the generator is ensured.
As a preferable technical solution of the present invention, the engine heat dissipation passage is divided into a first engine heat dissipation passage and a second engine heat dissipation passage on both sides of the engine.
Preferably, the sound-deadening partition plate, the heat and sound insulation liner, the heat radiating fins and the air outlet enclose the first engine heat radiating channel, cold air introduced by the axial flow fan flows through the sound-deadening partition plate, the heat and sound insulation liner and the heat radiating fins and is then discharged from the air outlet, and the first engine heat radiating channel is used for radiating heat of the sound eliminator and the engine.
Preferably, the heat and sound insulation pad, the heat sink, and the air outlet enclose the second engine heat dissipation channel, and the second engine heat dissipation channel is used for dissipating heat of the engine.
According to the invention, when cold air entering the engine heat dissipation channel reaches the engine, due to the blockage of the engine, the cold air is branched into the first engine heat dissipation channel and the second engine heat dissipation channel at two sides of the engine and flows around the engine, so that the all-round heat dissipation of the engine is realized. In addition, the cold air of the generator heat dissipation channel is converged into the engine heat dissipation channel before the engine heat dissipation channel branches.
As a preferable technical scheme of the invention, an air filter is further arranged on the outer wall of the shell far away from the silencer, and outside air is filtered by the air filter and then enters the engine for combustion.
As a preferred technical solution of the present invention, a pull ring is further disposed on an outer wall of the casing away from the axial flow fan, and the pull ring is used for opening the air-cooled heat dissipation device.
In a second aspect, the present invention provides a method for using the air-cooled heat sink according to the first aspect, the method includes:
cold air introduced by the axial flow fan respectively enters the generator heat dissipation channel and the engine heat dissipation channel, the cold air in the generator heat dissipation channel flows through the generator and then converges in the engine heat dissipation channel, and the cold air flows through the engine and then is discharged from the air outlet to dissipate heat of the generator set.
As a preferred technical solution of the present invention, the cold air in the engine heat dissipation channel flows into a first engine heat dissipation channel and a second engine heat dissipation channel located at two sides of the engine, respectively, the first engine heat dissipation channel is used for dissipating heat of a muffler and the engine, and the second engine heat dissipation channel is used for dissipating heat of the engine.
As a preferable technical solution of the present invention, the using method further includes:
the muffler is with heat in the engine exhaust is derived to the external world through the radiation, through the muffler baffle with the muffler is to the tail gas noise carries out noise reduction, absorbs through the subassembly of making an uproar that falls the noise that generating set produced.
Illustratively, by adopting the air-cooled heat dissipation device of the gasoline generating set, when the generating set works, the axial flow fan blows cold air, and the cold air flows along the flow guide structure in the shell. Wherein, a small amount of cold air directly flows through the engine to take out the heat of the engine; most cold air flows through the generator along a generator heat dissipation channel formed by the axial flow fan, a fixing frame of the engine and the heat and sound insulation liner, and takes away heat generated by the working of the generator; then cold air in the generator heat dissipation channel is converged into the engine heat dissipation channel, and the cold air in the engine heat dissipation channel respectively flows into the first engine heat dissipation channel and the second engine heat dissipation channel after reaching the engine; cold air flows through a first engine radiating channel formed by the silencer partition plate, the heat and sound insulation liner and the radiating fins of the engine, and partial heat generated by the silencer and the engine is taken away and then is discharged from an air outlet; and cold air flows through a second engine heat dissipation channel formed by the heat insulation and sound insulation liner and the engine radiating fins, and partial heat generated by the engine is taken away and then is discharged from the air outlet, so that the omnibearing heat dissipation of the generator set is realized. Meanwhile, tail gas generated by the working of the engine is discharged from a tail gas outlet after passing through the silencer, heat brought by the tail gas is radiated and guided out to the outside by the silencer, and noise reduction treatment is carried out on the tail gas through the silencer partition plate and the silencer. In addition, mechanical noise and combustion noise generated by the work of the generator set are isolated and absorbed through the noise reduction assembly, and the noise reduction and silencing effect of the generator set is achieved from multiple angles.
Compared with the prior art, the invention has the beneficial effects that:
the air-cooling heat dissipation device and the method for the gasoline generator set optimize the heat dissipation channel, have simple structure and few parts, introduce cold air into the shortest heat dissipation channel and discharge hot air, and the introduced cold air flows around the periphery of the generator set to realize all-dimensional heat dissipation, thereby effectively reducing the temperature of the generator set. Meanwhile, the air cooling heat dissipation device of the gasoline generator set provided by the invention can effectively reduce the noise generated by the operation of the generator set.
Drawings
Fig. 1 is a schematic structural diagram of an air-cooled heat dissipation device of a gasoline generating set according to an embodiment of the present invention.
Fig. 2 is a rear view of an air-cooled heat dissipation device of a gasoline engine generator set according to an embodiment of the present invention.
Fig. 3 is a top view of an air-cooled heat dissipation device of a gasoline engine generator set according to an embodiment of the present invention.
Fig. 4 is a side view of an air-cooled heat sink of a gasoline engine generator set according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a noise reduction assembly of an air-cooled heat dissipation device of a gasoline generating set according to an embodiment of the present invention.
Wherein, 1-a first housing; 2-a second housing; 3-an axial fan; 4-a silencer; 5-a muffler partition; 6-an engine; 7-a generator; 8-thermal and acoustic insulation pad.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In one embodiment, the present invention provides an air-cooled heat dissipation device for a gasoline generator set, as shown in fig. 1 and fig. 2, the air-cooled heat dissipation device includes a housing and a generator set disposed inside the housing, the generator set includes a generator 7 and an engine 6 connected to each other; the outer walls of two opposite sides of the shell are respectively provided with an axial flow fan 3 and an air outlet, the axial flow fan 3 is close to the generator 7, and the air outlet is close to the engine 6.
As shown in fig. 3 and 4, an engine heat dissipation channel and a generator heat dissipation channel are formed inside the housing, one end of the engine heat dissipation channel is located at the axial flow fan 3, and the other end of the engine heat dissipation channel is located at the air outlet after passing through the engine 6, one end of the generator heat dissipation channel is located at the axial flow fan 3, and the other end of the generator heat dissipation channel is connected to the engine heat dissipation channel after passing through the generator 7.
Cold air introduced by the axial flow fan 3 respectively enters the generator heat dissipation channel and the engine heat dissipation channel, and is discharged from the air outlet after heat dissipation is respectively performed on the generator 7 and the engine 6.
In the invention, the axial flow fan 3 adopts the low-noise axial flow fan 3, and the position of the axial flow fan 3 is higher than the axis of the generator 7 and lower than the air outlet, so that part of cold air can directly flow through the engine 6; and meanwhile, when cold air flows through the generator heat dissipation channel and the engine heat dissipation channel, the cold air can flow around the periphery of the generator set to realize all-dimensional heat dissipation, and the heat of the generator set is taken out from the air outlet in time.
In addition, the axial fan 3 respectively introduces cold air into the generator heat dissipation channel and the engine heat dissipation channel, wherein the cold air in the generator heat dissipation channel flows through the generator 7, takes away heat of the generator 7, then is converged into the engine heat dissipation channel, and jointly dissipates heat of the engine 6 along with the cold air in the engine heat dissipation channel.
The air-cooling heat dissipation device for the gasoline generator set optimizes the heat dissipation channel, has a simple structure and few components, introduces cold air and discharges hot air through the shortest heat dissipation channel, and the introduced cold air flows around the periphery of the generator set to realize all-dimensional heat dissipation, thereby effectively reducing the temperature of the generator set.
Further, as shown in fig. 1 and 2, the housing includes a first housing 1 and a second housing 2 that are fastened to each other; further, as shown in fig. 5, the inner surface of the housing is provided with a noise reduction assembly. The noise reduction assembly arranged in the shell can effectively isolate and reduce mechanical noise and combustion noise generated by the work of the generator set.
Furthermore, the noise reduction assembly comprises a flow guide structure, ribs and a heat and sound insulation liner 8 which are sequentially stacked on the inner surface of the shell, wherein the flow guide structure is used for controlling the flow direction of the cold air. Furthermore, the ribs are of a convex structure; the shell, the flow guide structure and the ribs are integrally formed.
Further, the engine 6 is fixed inside the housing by an engine mount.
Further, a cooling fin is provided on an outer wall of the engine 6.
Furthermore, a tail gas outlet is formed in the outer side wall of the shell and used for discharging tail gas of the engine 6. Furthermore, a silencer 4 is arranged at the tail gas outlet; a silencer clapboard 5 is also arranged between the silencer 4 and the tail gas outlet; the surface of the muffler partition 5 is provided with a heat insulating mat.
In the invention, heat brought by tail gas generated by the work of the engine 6 is led out to the outside by the muffler 4 through radiation, and the tail is subjected to noise reduction treatment through the muffler 4 and the muffler partition plate 5.
Further, the axial flow fan 3, the engine fixing frame and the heat and sound insulation liner 8 enclose the generator heat dissipation channel, and cold air introduced by the axial flow fan 3 flows through the engine fixing frame and the heat and sound insulation liner 8 and then enters the engine heat dissipation channel. The generator heat dissipation channel surrounds the generator 7, so that the omnibearing heat dissipation of cold air on the generator 7 is ensured.
Further, the engine heat dissipation passage is divided into a first engine heat dissipation passage and a second engine heat dissipation passage on both sides of the engine 6.
Furthermore, the silencing partition plate, the heat and sound insulation liner 8, the radiating fins and the air outlet enclose the first engine heat dissipation channel, cold air introduced by the axial flow fan 3 flows through the silencing partition plate, the heat and sound insulation liner 8 and the radiating fins and then is discharged from the air outlet, and the first engine heat dissipation channel is used for dissipating heat of the silencer 4 and the engine 6.
Furthermore, the heat and sound insulation pad 8, the heat sink and the air outlet enclose a second engine heat dissipation channel, cold air introduced by the axial fan 3 flows through the heat and sound insulation pad 8 and the heat sink and is then discharged from the air outlet, and the second engine heat dissipation channel is used for dissipating heat of the engine 6.
In the invention, when cold air entering the engine heat dissipation channel reaches the engine 6, due to the blockage of the engine 6, the two sides of the engine 6 are branched into the first engine heat dissipation channel and the second engine heat dissipation channel which flow around the engine 6, so that the omnibearing heat dissipation of the engine 6 is realized. In addition, the cold air of the generator heat dissipation channel is converged into the engine heat dissipation channel before the engine heat dissipation channel branches.
Further, an air filter is further arranged on the outer wall of the shell, which is far away from the silencer 4, and outside air enters the engine 6 for combustion after being filtered by the air filter.
Furthermore, a pull ring is further arranged on the outer wall of the shell, which is far away from the axial flow fan 3, and the pull ring is used for opening the air-cooled heat dissipation device.
In another embodiment, the present invention provides a method for using the air-cooled heat dissipation device of the above embodiment, including:
cold air introduced by the axial flow fan 3 respectively enters the generator heat dissipation channel and the engine heat dissipation channel, the cold air in the generator heat dissipation channel flows through the generator 7 and then flows into the engine heat dissipation channel, and the cold air flows through the engine 6 and then is discharged from an air outlet to dissipate heat of the generator set.
Further, the cold air in the engine heat dissipation channel flows into a first engine heat dissipation channel and a second engine heat dissipation channel which are located on two sides of the engine 6 respectively, the first engine heat dissipation channel is used for dissipating heat of the muffler 4 and the engine 6, and the second engine heat dissipation channel is used for dissipating heat of the engine 6.
Further, the using method further comprises the following steps: the muffler 4 is with heat in the 6 tail gases of engine is derived to the external world through the radiation, through muffler baffle 5 with muffler 4 is right the tail gas noise carries out the noise reduction treatment, absorbs through the subassembly of making an uproar that falls the noise that generating set produced.
Illustratively, with the air-cooled heat dissipation device of the gasoline generating set provided by the invention, as shown in fig. 3 and 4, when the generating set is in operation, the axial flow fan 3 blows cold air, and the cold air flows along the flow guide structure inside the housing. Wherein, a small amount of cold air directly flows through the engine 6 to take out heat of the engine 6; most cold air flows through the generator 7 along a generator heat dissipation channel formed by the axial flow fan 3, the fixing frame of the engine 6 and the heat insulation and sound insulation liner 8, and takes away heat generated by the operation of the generator 7; then cold air in the generator heat dissipation channel is converged into the engine heat dissipation channel, and the cold air in the engine heat dissipation channel reaches the engine 6 and then respectively flows into the first engine heat dissipation channel and the second engine heat dissipation channel; cold air flows through a first engine radiating channel formed by the silencer partition plate 5, the heat-insulating and sound-insulating liner 8 and radiating fins of the engine 6, takes away part of heat generated by the silencer 4 and the engine 6 and then is exhausted from an air outlet; the cold air flows through a second engine heat dissipation channel formed by the heat insulation and sound insulation 8 and the engine 6 radiating fins, takes away part of heat generated by the engine 6 and then is discharged from the air outlet, and therefore all-dimensional heat dissipation of the generator set is achieved. Simultaneously, the tail gas that 6 work produced is discharged by the tail gas export behind muffler 4, and the heat that the tail gas brought is derived to the external world by 4 radiations to carry out noise reduction treatment through muffler baffle 5 and muffler 4 to tail gas. In addition, mechanical noise and combustion noise generated by the work of the generator set are isolated and absorbed through the noise reduction assembly, and the noise reduction and silencing effect of the generator set is achieved from multiple angles.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (9)
1. The air-cooled heat dissipation device of the gasoline generating set is characterized by comprising a shell and the generating set arranged in the shell, wherein the generating set comprises a generator and an engine which are connected; the outer walls of two opposite sides of the shell are respectively provided with an axial flow fan and an air outlet, the axial flow fan is arranged close to the generator, and the air outlet is arranged close to the engine;
an engine heat dissipation channel and a generator heat dissipation channel are formed inside the shell, one end of the engine heat dissipation channel is located at the axial flow fan, the other end of the engine heat dissipation channel is located at the air outlet after passing through the engine, one end of the generator heat dissipation channel is located at the axial flow fan, and the other end of the generator heat dissipation channel is connected to the engine heat dissipation channel after passing through the generator;
cold air introduced by the axial flow fan respectively enters the generator heat dissipation channel and the engine heat dissipation channel, and is discharged from the air outlet after heat dissipation is respectively carried out on the generator and the engine;
the inner surface of the shell is provided with a noise reduction assembly, the noise reduction assembly comprises a flow guide structure, ribs and a heat and sound insulation liner which are sequentially stacked from the inner surface of the shell, and the flow guide structure is used for controlling the flow direction of the cold air;
the engine is fixed inside the shell through an engine fixing frame, the axial flow fan, the engine fixing frame and the heat and sound insulation liner enclose the generator heat dissipation channel, cold air introduced by the axial flow fan flows through the engine fixing frame and the heat and sound insulation liner and then enters the engine heat dissipation channel, and the generator heat dissipation channel surrounds the generator;
the outer wall of the engine is provided with a radiating fin;
the outer side wall of the shell is also provided with a tail gas outlet, and the tail gas outlet is used for discharging tail gas of the engine;
a silencer is arranged at the tail gas outlet;
a silencer clapboard is arranged between the silencer and the tail gas outlet;
the surface of the silencer clapboard is provided with a heat insulation liner;
the engine heat dissipation channel is divided into a first engine heat dissipation channel and a second engine heat dissipation channel on two sides of the engine;
the silencer clapboard, the heat and sound insulation liner, the radiating fins and the air outlet enclose a first engine radiating channel, cold air introduced by the axial flow fan flows through the silencer clapboard, the heat and sound insulation liner and the radiating fins and then is discharged from the air outlet, and the first engine radiating channel is used for radiating the silencer and the engine;
the heat and sound insulation liner, the radiating fins and the air outlet enclose the second engine heat radiating channel, cold air introduced by the axial flow fan flows through the heat and sound insulation liner and the radiating fins and is then discharged from the air outlet, and the second engine heat radiating channel is used for radiating heat of the engine.
2. The air-cooled heat sink of claim 1, wherein the housing comprises a first housing and a second housing that snap-fit to each other.
3. The air-cooled heat sink of claim 1, wherein the ribs are raised structures.
4. The air-cooled heat sink of claim 1, wherein the housing, the flow directing structure, and the ribs are integrally formed.
5. The air-cooled heat dissipation device as claimed in claim 1, wherein an air filter is further disposed on an outer wall of the housing away from the muffler, and ambient air is filtered by the air filter and then enters the engine to be combusted.
6. The air-cooled heat sink according to claim 1, wherein a pull ring is further disposed on an outer wall of the housing away from the axial fan, and the pull ring is used to open the air-cooled heat sink.
7. The use method of the air-cooled heat sink according to any one of claims 1 to 6, wherein the use method comprises:
cold air introduced by the axial flow fan respectively enters the generator heat dissipation channel and the engine heat dissipation channel, the cold air in the generator heat dissipation channel flows through the generator and then converges in the engine heat dissipation channel, and the cold air flows through the engine and then is discharged from the air outlet to dissipate heat of the generator set.
8. The use method according to claim 7, wherein the cold air in the engine heat dissipation channel flows into a first engine heat dissipation channel and a second engine heat dissipation channel which are respectively positioned at two sides of the engine, the first engine heat dissipation channel is used for dissipating heat of a silencer and the engine, and the second engine heat dissipation channel is used for dissipating heat of the engine.
9. The method of use of claim 8, further comprising:
the muffler is with heat in the engine exhaust is derived to the external world through the radiation, through the muffler baffle with the muffler is to the tail gas noise carries out noise reduction, absorbs through the subassembly of making an uproar that falls the noise that generating set produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335347.8A CN113982734B (en) | 2021-11-11 | 2021-11-11 | Air cooling heat dissipation device and method for gasoline generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335347.8A CN113982734B (en) | 2021-11-11 | 2021-11-11 | Air cooling heat dissipation device and method for gasoline generator set |
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| CN2675877Y (en) * | 2003-10-28 | 2005-02-02 | 肖亨琳 | Cooling system for engine of generator |
| JP4909319B2 (en) * | 2008-06-27 | 2012-04-04 | 本田技研工業株式会社 | Engine driven generator |
| JP6572678B2 (en) * | 2015-08-21 | 2019-09-11 | 工機ホールディングス株式会社 | Engine and engine working machine |
| JP6628651B2 (en) * | 2016-03-15 | 2020-01-15 | 本田技研工業株式会社 | Engine driven work machine |
| CN109899158A (en) * | 2019-04-09 | 2019-06-18 | 重庆华世丹动力科技股份有限公司 | The cooling air duct construction of full-enclosed generating set |
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