CN115822775A - Heat dissipation air duct of silent generator set - Google Patents
Heat dissipation air duct of silent generator set Download PDFInfo
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- CN115822775A CN115822775A CN202310004062.9A CN202310004062A CN115822775A CN 115822775 A CN115822775 A CN 115822775A CN 202310004062 A CN202310004062 A CN 202310004062A CN 115822775 A CN115822775 A CN 115822775A
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- cover
- case
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- air inlet
- volute
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Abstract
The invention relates to a radiating air duct of a silent generator set, which comprises a case and an inverter cover, a pull disc cover, an engine air guide cover, a cylinder head air guide cover and a silencer outer cover which are sequentially communicated in the case, wherein the inverter cover is provided with a first air inlet and a second air inlet; the engine crankshaft is sequentially connected with a rotor and a second fan, a stator and a motor cover are arranged outside the rotor, a volute is arranged outside the second fan, a third air inlet is arranged under the motor cover, a second air outlet is arranged on the case, and the third air inlet, the motor cover, the volute and the second air outlet form a second heat dissipation air channel. The bottom of the case is provided with the two air inlets for natural air, so that the air inlet and outlet quantity of the case is increased, the heat dissipation in the case is faster, and the generator set works more stably.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a heat dissipation air duct of a silent generator set.
Background
The generator set is mechanical equipment for converting energy of other forms into electric energy, and can generate more heat during operation, the interior of the silent generator set is sealed by the case except necessary air inlet and air outlet, a heat dissipation air duct needs to be designed to discharge the internal heat in time, and the service life of the machine is prevented from being influenced by overhigh internal temperature; the general cooling system of the silent generator set comprises a pull disc cover, an engine wind scooper, a cylinder head wind scooper and a silencer outer cover, and is mainly used for cooling an engine cylinder head and a silencer, wherein the pull disc cover is arranged at an air inlet of the engine wind scooper; in patent application No. 202121847224.8, a cooling air duct for a generator set is provided, in which a cooling fan is provided between a motor and an engine, and is mainly used for cooling a generator.
The prior art has the following defects that firstly, the air inlet of the pull disc cover is blocked by the inverter, the air inlet amount and the air inlet temperature are affected, and the cooling effect on the cylinder head is poor; secondly, because the cooling fan between engine and the generator is because the restriction of engine output shaft length, installation space is narrow and small, and overall structure is comparatively compact, and the air inlet effect is influenced, leads to the radiating effect to the generator not good.
Disclosure of Invention
The invention aims to: the problem that the cooling effect to current silence generator unit's jar head and generator is not good provides silence generator unit heat dissipation wind channel, improves the inside radiating effect of generator, improves generator unit's stability, increase of service life.
In order to achieve the above purpose, the invention provides the following technical scheme:
the heat dissipation air duct of the silent generator set comprises a case, and an inverter cover, a pull disc cover, an engine air guide cover, a cylinder head air guide cover and a silencer cover which are arranged in the case and sequentially communicated, wherein the inverter cover is connected with the case to form a cavity, the side surface and the bottom of the cavity are respectively provided with a first air inlet and a second air inlet communicated with the outside, a first fan connected with an engine crankshaft is arranged in the engine air guide cover, a silencer is arranged in the silencer cover, the silencer is connected with an air outlet of the cylinder head air guide cover through a connecting pipe, a first air outlet communicated with an air outlet of the silencer cover is arranged on the case, and the first air inlet and the second air inlet, the inverter cover, the pull disc cover, the engine air guide cover, the cylinder head air guide cover, the silencer and the first air outlet form a first heat dissipation air duct;
the motor comprises an engine crankshaft, and is characterized in that a rotor and a second fan are sequentially connected onto the engine crankshaft, a stator is arranged outside the rotor, a motor cover is arranged outside the stator, the motor cover is fixed to a case, a volute is arranged outside the second fan, the volute is fixed to the motor cover, a third air inlet is arranged under the motor cover at the bottom of the case, a second air outlet is arranged on the side, perpendicular to the first air outlet, of the case, the second air outlet is communicated with the air outlet of the volute, and the third air inlet, the motor cover, the volute and the second air outlet form a second heat dissipation air channel.
By adopting the technical scheme, the two heat dissipation air channels are formed, so that the heat dissipation effect is improved. In the first heat dissipation air duct, under the action of the first fan, natural air on the side face of the case enters the inverter cover, and after passing through and cooling the inverter, the natural air and the natural air entering the inverter cover from the bottom of the case enter the pull disc cover together, and finally are discharged from one side of the case after passing through the engine air guide cover, the cylinder head air guide cover, the silencer and the silencer air guide cover in sequence, so that the cooling of the engine and the cylinder head is completed; in the second heat dissipation air duct, high-temperature air near the motor in the case and natural air entering from the bottom of the case enter the volute through the motor cover under the traction of the second fan and are finally discharged from the side face of the case.
Preferably, the motor cover is cup-shaped, a plurality of vent holes are formed in the bottom of the cup, a stator is mounted on the inner wall of the cup, and the cup opening is connected with the volute. The cup is favorable to reducing and occupies the volume, and the ventilation hole makes the nature wind get into motor cover inside under the traction of second fan, and the cooling stator discharges from the spiral case after with the rotor, has improved the radiating efficiency of motor.
Further preferably, a base is arranged outside the motor cover and fixed to the bottom of the case through bolts. The motor and the case are convenient to disassemble and assemble.
Preferably, a connecting disc is arranged between the second fan and the rotor and fixed with the rotor through bolts, a fixing screw is arranged at the center of the second fan, and the second fan and the connecting disc are connected with a crankshaft of the motor through the fixing screw. The parts are separately designed, so that the manufacture and the disassembly and the assembly are convenient.
Preferably, the motor cover is connected with the volute casing through a bolt. The motor cover and the volute are convenient to disassemble and assemble, and maintenance and overhaul are facilitated.
Preferably, a plurality of air holes are formed in one side, opposite to the second fan, of the volute. The speed of hot air in the case and entering the volute is accelerated, the ventilation efficiency in the case is increased, and the heat dissipation performance is improved.
Preferably, the volute is fixed below the silencer housing, the height of the volute is slightly larger than the distance between the bottom of the case and the bottom of the silencer housing, and an avoiding groove for avoiding the volute is arranged below the silencer housing. The volute with larger size is beneficial to mounting the second fan blade with larger size, the air exhaust speed is improved, meanwhile, the air outlet caliber can be designed to be larger, the unit air exhaust amount can be increased, the heat radiation efficiency is increased, and the avoidance groove enables the structure to be compact and the space utilization rate to be high.
Preferably, the second air inlet and the third air inlet which are positioned at the bottom of the case are both provided with filter screens. The motor can be prevented from being damaged by sucking some paper or pockets into the case, the safety is improved, and meanwhile some dust can be filtered.
Further preferably, the second air inlet, the third air inlet and the filter screen are square. Is convenient for design and manufacture.
The first air inlet, the first air outlet and the second air outlet are all of louver type structures. The louver type structure has good shielding performance, and the temperature inside the case is prevented from being rapidly increased under the condition of direct sunlight outdoors.
The invention has the advantages that the structure of the generator body is compact, the utilization rate of space is higher, the air intake of natural air in the generator is increased, the first fan and the second fan work simultaneously to accelerate the flow velocity of air flow in the case, the integral heat dissipation efficiency of the generator set is higher, the integral temperature is effectively reduced, the working stability of the generator set is improved, and the service life is further prolonged.
Description of the drawings:
FIG. 1 is a schematic view of a second outlet of a housing;
FIG. 2 is a schematic view of a first air inlet of the chassis;
FIG. 3 is a schematic view of a first outlet of the housing;
FIG. 4 is a schematic view of a bottom structure of a chassis;
FIG. 5 is a schematic diagram of the internal structure of the case;
FIG. 6 is a structural side view of a heat dissipation air duct;
FIG. 7 is a cross-sectional view of the structure of FIG. 6;
FIG. 8 is a front view of the heat dissipation air duct;
FIG. 9 is a view showing the structure of the motor cover and the volute;
FIG. 10 is a cross-sectional view of the structure of FIG. 9;
FIG. 11 is an exploded view of the structure of FIG. 9;
the labels in the figure are: 1-case, 11-first air inlet, 12-second air inlet, 13-third air inlet, 14-first air outlet, 15-second air outlet, 16-filter screen, 2-inverter cover, 3-drawing disc cover, 31-first fan, 4-engine wind guide cover, 41-motor cover, 411-base, 42-volute, 421-second fan, 422-screw, 423-connecting disc, 43-stator, 44-rotor, 45-vent, 46-vent, 5-cylinder head wind guide cover, 6-silencer cover, 61-silencer, 62-connecting pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 11, the embodiment provides a cooling air duct of a silent generator set, including a case 1, and an inverter cover 2, a tray cover 3, an engine wind scooper 4, a cylinder head wind scooper 5, and a muffler outer cover 6 which are sequentially communicated with each other and arranged in the case, where the inverter cover 2 is connected with the case 1 to form a cavity, a first air inlet 11 and a second air inlet 12 which are communicated with the outside are respectively arranged at a side surface and a bottom of the cavity, a first fan 31 connected with an engine crankshaft is arranged in the engine wind scooper 4, a muffler 61 is arranged in the muffler outer cover 6, the muffler 61 is connected with an air outlet of the cylinder head wind scooper 5 through a connecting pipe 62, a first air outlet 14 which is communicated with an air outlet of the muffler outer cover 6 is arranged on the case 1, and the first air inlet 11 and the second air inlet 12, the inverter cover 2, the tray cover 3, the engine wind scooper 4, the cylinder head wind scooper 5, the muffler outer cover 6, the muffler 61, and the first air outlet 14 form a first air duct cooling air duct;
the engine crankshaft is sequentially connected with a rotor 44 and a second fan 421, a stator 43 is arranged outside the rotor 44, a motor cover 41 is arranged outside the stator 43, the motor cover 41 is fixed with the case 1, a volute is arranged outside the second fan 421, the volute 42 is fixed with the motor cover 41, a third air inlet 13 is arranged right below the motor cover 41 at the bottom of the case 1, a second air outlet 15 is arranged on the side surface, perpendicular to the first air outlet 14, of the case 1, the second air outlet 15 is communicated with an air outlet of the volute 42, and the third air inlet 13, the motor cover 41, the volute 42 and the second air outlet 15 form a second heat dissipation air channel. The third air inlet 13 is located under the motor cover 41 and is close to the motor cover 41, so that air inlet is fast and cooling speed is fast.
Referring to fig. 9 and 11, the motor cover 41 is in a cup shape, the bottom of the cup is provided with a plurality of vent holes 46, the inner wall of the cup is provided with a stator 43, and the mouth of the cup is connected with the volute 42; the motor cover 41 is externally provided with a base 411, and the base 411 is fixed at the bottom of the case 1 through bolts.
Referring to fig. 10, a connection plate 423 is disposed between the second fan 421 and the rotor 44, the connection plate 423 is fixed to the rotor 44 by a bolt, a fixing screw 422 is disposed at the center of the second fan 421, and the second fan 421 and the connection plate 423 are connected to a crankshaft of a motor by the fixing screw 422.
The motor cover 41 is connected with the volute 42 through bolts.
Referring to fig. 11, a plurality of air holes 46 are formed at a side of the scroll case 42 opposite to the second fan 421.
Referring to fig. 6 and 8, the volute 42 is fixed below the muffler housing 6, the height of the volute 42 is slightly greater than the distance between the bottom of the chassis 1 and the bottom of the muffler housing 6, and an avoiding groove for avoiding the volute 42 is arranged below the muffler housing 6.
Referring to fig. 4, the second air inlet 12 and the third air inlet 13 at the bottom of the chassis 1 are both provided with a filter screen 16; the second air inlet 12, the third air inlet 13 and the filter screen 16 are square.
Referring to fig. 1, 2 and 3, the first air inlet 11, the first air outlet 14 and the second air outlet 12 are all of a louver structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A heat dissipation air duct of a silent generator set comprises a case (1), and an inverter cover (2), a pull disc cover (3), an engine wind scooper (4), a cylinder head wind scooper (5) and a silencer outer cover (6) which are sequentially communicated with one another and arranged in the case, and is characterized in that the inverter cover (2) is connected with the case (1) to form a cavity, a first air inlet (11) and a second air inlet (12) which are communicated with the outside are respectively formed in the side surface and the bottom of the cavity, a first fan (31) connected with an engine crankshaft is arranged in the engine wind scooper (4), a silencer (61) is arranged in the silencer shield (6), the silencer (61) is connected with an air outlet of the cylinder head wind scooper (5) through a connecting pipe (62), a first air outlet (14) communicated with the air outlet of the silencer shield (6) is formed in the case (1), and the first air inlet (11) and the second air inlet (12), the inverter cover (2), the pull disc cover (3), the engine wind scooper (4), the cylinder head wind scooper (5), the silencer shield (6) and the first air outlet (14) form a first heat dissipation air duct;
the motor is characterized in that a rotor (44) and a second fan (421) are sequentially connected onto an engine crankshaft, a stator (43) is arranged outside the rotor (44), a motor cover (41) is arranged outside the stator (43), the motor cover (41) is fixed with the case (1), a volute is arranged outside the second fan (421), the volute (42) is fixed with the motor cover (41), a third air inlet (13) is arranged under the motor cover (41) at the bottom of the case (1), a second air outlet (15) is arranged on the side perpendicular to the first air outlet (14) of the case (1), the second air outlet (15) is communicated with an air outlet of the volute (42), and a second heat dissipation air channel is formed by the third air inlet (13), the motor cover (41), the volute (42) and the second air outlet (15).
2. The cooling air duct of the mute generator set according to claim 1, characterized in that: the motor cover (41) is cup-shaped, a plurality of vent holes (46) are formed in the bottom of the cup, a stator (43) is installed on the inner wall of the cup, and the cup opening is connected with the volute (42).
3. The cooling air duct of the mute generator set according to claim 1 or 2, characterized in that: the motor cover (41) is externally provided with a base (411), and the base (411) is fixed to the bottom of the case (1) through bolts.
4. The cooling air duct of the mute generator set according to claim 1, characterized in that: a connecting disc (423) is arranged between the second fan (421) and the rotor (44), the connecting disc (423) is fixed to the rotor (44) through a bolt, a fixing screw (422) is arranged at the center of the second fan (421), and the second fan (421) is connected with the connecting disc (423) through the fixing screw (422) and a crankshaft of the motor.
5. The cooling air duct of the mute generator set according to claim 1, characterized in that: the motor cover (41) is connected with the volute (42) through bolts.
6. The cooling air duct of the mute generator set according to claim 1, characterized in that: and a plurality of air holes (46) are formed in one side of the volute (42) opposite to the second fan (421).
7. The cooling air duct of the mute generator set according to claim 1, characterized in that: the volute (42) is fixed below the silencer outer cover (6), the height of the volute (42) is slightly larger than the distance between the bottom of the case (1) and the bottom of the silencer outer cover (6), and an avoiding groove for avoiding the volute (42) is arranged below the silencer outer cover (6).
8. The cooling air duct of the mute generator set according to claim 1, characterized in that: and the second air inlet (12) and the third air inlet (13) which are positioned at the bottom of the case (1) are both provided with filter screens (16).
9. The cooling air duct of a silent generator set according to claim 8, characterized in that: the second air inlet (12), the third air inlet (13) and the filter screen (16) are square.
10. The cooling air duct of a silent generator set according to any one of claims 1 to 9, characterized in that: the first air inlet (11), the first air outlet (14) and the second air outlet (12) are all of shutter type structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310004062.9A CN115822775A (en) | 2023-01-03 | 2023-01-03 | Heat dissipation air duct of silent generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310004062.9A CN115822775A (en) | 2023-01-03 | 2023-01-03 | Heat dissipation air duct of silent generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115822775A true CN115822775A (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310004062.9A Pending CN115822775A (en) | 2023-01-03 | 2023-01-03 | Heat dissipation air duct of silent generator set |
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| Country | Link |
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| CN (1) | CN115822775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398290A (en) * | 2023-04-14 | 2023-07-07 | 浙江耀锋动力科技有限公司 | Generating set |
| CN117569908A (en) * | 2024-01-17 | 2024-02-20 | 江苏杰特动力科技有限公司 | Diesel generating set cooling system with air pretreatment structure |
-
2023
- 2023-01-03 CN CN202310004062.9A patent/CN115822775A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398290A (en) * | 2023-04-14 | 2023-07-07 | 浙江耀锋动力科技有限公司 | Generating set |
| CN116398290B (en) * | 2023-04-14 | 2023-09-29 | 浙江耀锋动力科技有限公司 | Generating set |
| CN117569908A (en) * | 2024-01-17 | 2024-02-20 | 江苏杰特动力科技有限公司 | Diesel generating set cooling system with air pretreatment structure |
| CN117569908B (en) * | 2024-01-17 | 2024-03-26 | 江苏杰特动力科技有限公司 | Diesel generating set cooling system with air pretreatment structure |
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