CN212838038U - Super-silent diesel generating set's subregion heat dissipation structure of making an uproar of falling - Google Patents
Super-silent diesel generating set's subregion heat dissipation structure of making an uproar of falling Download PDFInfo
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- CN212838038U CN212838038U CN202022488488.0U CN202022488488U CN212838038U CN 212838038 U CN212838038 U CN 212838038U CN 202022488488 U CN202022488488 U CN 202022488488U CN 212838038 U CN212838038 U CN 212838038U
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Abstract
The utility model discloses a structure of making an uproar falls in super-silent diesel generating set's subregion heat dissipation, including setting up the double fan fixed axle between diesel engine and radiator, set up big fan of engine and centrifugal fan on the double fan fixed axle respectively, and centrifugal fan is located between big fan of engine and the diesel engine, the air exit of the big fan of engine is towards the radiator, centrifugal fan's inlet scoop leans on diesel engine's air-out side one end, be provided with intermediate bottom between diesel engine's air-out side one end and centrifugal fan, the last air inlet that is used for leading-in to centrifugal fan's inlet scoop one side of hot gas flow of diesel engine one side that is provided with of intermediate bottom, the wind scooper is installed to centrifugal fan's air outlet periphery, be provided with the wind-guiding passageway that separates mutually with the big. The utility model discloses improve the cooling effect of diesel generating set radiator, reduced diesel generating set's noise.
Description
Technical Field
The utility model relates to a diesel generating set technical field, concretely relates to super-silent diesel generating set's subregion heat dissipation noise reduction structure.
Background
At present, a fan of a traditional silent diesel generator set directly blows a liquid cooling radiator to cool, inlet air firstly enters a cabin through an air inlet to radiate heat of a generator and cool heat of an engine, and then is ventilated and cooled to the radiator, so that the inlet air temperature of the radiator is high, the cooling effect is poor, and the power of the generator set is influenced; the large area of the air inlet and exhaust channel enables the engine noise to be easily diffused, the noise of the generator set is high, and the silencing effect of the generator set is poor.
Aiming at the defects of high noise and poor cooling effect of a radiator of a diesel generator set in the prior art, the prior diesel generator set needs to be technically improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a structure of making an uproar falls in super-silent diesel generating set's subregion heat dissipation aims at improving the cooling effect of diesel generating set radiator, reduces diesel generating set's noise. The specific technical scheme is as follows:
a partition heat dissipation and noise reduction structure of an ultra-silent diesel generator set comprises a double-fan fixed shaft arranged between a diesel engine and a radiator, and a large engine fan and a centrifugal fan which are respectively arranged on the double-fan fixed shaft, the centrifugal fan is positioned between the large engine fan and the diesel engine, the air outlet of the large engine fan faces the radiator, the air suction inlet of the centrifugal fan is close to one end of the air outlet side of the diesel engine, an intermediate clapboard is arranged between one end of the air outlet side of the diesel engine and the centrifugal fan, the middle clapboard is provided with an air inlet hole which is used for leading hot air flow at one side of the diesel engine into one side of the air suction inlet of the centrifugal fan, and an air guide cover is arranged on the periphery of an air outlet of the centrifugal fan, and an air guide channel separated from the engine big fan is arranged on the air guide cover.
As the utility model discloses a preferred scheme of well wind-guiding passageway, the wind-guiding passageway turns round the setting for the axis of double fan fixed axle, through the wind-guiding passageway exports the hot gas flow of diesel engine one side extremely outside super-silent diesel generating set's the silence box.
As an optimized proposal of the installation structure of the middle wind scooper of the utility model, the wind scooper is connected on the intermediate baffle.
As a further improvement of the utility model, the wind guide channel is internally provided with composite noise elimination cotton.
The utility model discloses in, the double fan fixed axle passes on the intermediate bottom the fresh air inlet.
The utility model discloses in, thereby the double fan fixed axle is connected the realization through belt transmission with diesel engine's bent axle the rotation of double fan fixed axle.
The utility model discloses in, be provided with the cooling air intake on ultra-silent diesel generating set's the silence box, through setting up intermediate bottom and wind scooper, centrifugal fan is all passed through the hot gas flow of diesel engine one side wind scooper is last wind-guiding passageway discharge, the whole absorption of engine big fan comes from the cold wind of cooling air intake is right the radiator cools off.
The utility model discloses utilize the double fan fixed axle to fix centrifugal fan, engine big fan on a root axis simultaneously, the double fan fixed axle is installed with the epaxial belt pulley location of diesel engine bent axle, passes through belt transmission drive double fan work by diesel engine.
The utility model discloses in, the integrated forging axle of double fan fixed axle for having three flange, be provided with mutual coaxial location tang on the three flange of forging axle, the three flange of forging axle passes through respectively the location tang connects gradually diesel engine's bent axle, centrifugal fan, the big fan of engine.
The positioning rabbets of the three flanges of the forging shaft are machined in one step in the same turning process so as to improve the coaxiality of the positioning rabbets.
The utility model has the advantages that:
first, the utility model discloses a structure of making an uproar falls in super-silent diesel generating set's subregion heat dissipation, through the anterior wind channel of intermediate bottom during the rotation of the big fan of engine air inlet wind, cold wind is directly blown to the radiator by the big fan of engine, and the cooling air inlet temperature that this structure guaranteed the radiator is ambient temperature, has improved the cooling effect to the radiator from this.
Second, the utility model discloses a structure of making an uproar falls in super-silent diesel generating set's subregion heat dissipation, the mechanical noise in engine compartment is kept apart by intermediate bottom to at the compound noise elimination cotton of wind scooper internally mounted of centrifugal fan, make weakening of noise when discharging along with the hot-blast in the diesel engine compartment from this, reach the ventilation and fall and make an uproar and ensure the purpose that diesel engine normally worked again.
Third, the utility model discloses a structure of making an uproar falls in super-silent diesel generating set's subregion heat dissipation, the fresh air inlet on the intermediate bottom is located diesel engine's air-out side for thereby the air current better centers on diesel engine's the all-round even heat dissipation that flows all around and realizes diesel engine, has improved diesel engine's radiating effect from this.
Fourth, the utility model discloses a structure of making an uproar falls in super-silent diesel generating set's subregion heat dissipation changes the engine compartment flow direction of airing exhaust through built-in having compound noise elimination cotton wind scooper, still is favorable to improving the effect of making an uproar of falling.
Drawings
Fig. 1 is a schematic structural diagram of a partitioned heat dissipation and noise reduction structure of an ultra-silent diesel generator set of the present invention;
FIG. 2 is a left side view of the engine of FIG. 1, taken in relation to the large fan, mid-plane partition and wind scooper portions;
FIG. 3 is a schematic view of a dual fan stationary shaft with a large engine fan and a centrifugal fan.
In the figure: 1. the engine comprises a large fan, 2, a centrifugal fan, 3, a middle partition board, 4, a diesel engine, 5, a double-fan fixed shaft, 6, an air guide cover, 7, a radiator, 8, an air inlet hole, 9, an air guide channel, 10 and a belt transmission device.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 3 show an embodiment of a partitioned heat dissipation and noise reduction structure of an ultra-silent diesel generator set according to the present invention, which includes a double-fan fixing shaft 5 disposed between a diesel engine 4 and a radiator 7, and a large engine fan 1 and a centrifugal fan 2 respectively disposed on the double-fan fixing shaft 5, wherein the centrifugal fan 2 is disposed between the large engine fan 1 and the diesel engine 4, an air outlet of the large engine fan 1 faces the radiator 7, an air inlet of the centrifugal fan 2 is close to an air outlet side end of the diesel engine 4, an intermediate partition plate 3 is disposed between the air outlet side end of the diesel engine 4 and the centrifugal fan 2, the intermediate partition plate 3 is provided with an air inlet 8 for guiding hot air flow from one side of the diesel engine 4 into one side of an air inlet of the centrifugal fan 2, an air guide cover 6 is installed on the periphery of an air outlet of the centrifugal fan 2, and an air guide channel 9 separated from the engine big fan 1 is arranged on the air guide cover 6.
As a preferable configuration of the air guide channel in this embodiment, the air guide channel 9 is provided to be turned with respect to the axis of the dual-fan fixed shaft 5, and the hot air flow on the diesel engine 4 side is guided out of the silent box of the ultra-silent diesel generator set through the air guide channel 9.
As a preferable configuration of the wind scooper installation structure in the present embodiment, the wind scooper 6 is connected to the intermediate partition 3.
As a further improvement of this embodiment, a composite noise damping cotton is installed in the air guiding channel 9.
In this embodiment, the dual-fan fixing shaft 5 passes through the air inlet hole 8 of the middle partition plate 3.
In this embodiment, the dual fan fixing shaft 5 is connected to a crankshaft of the diesel engine 4 through a belt transmission device 10 so as to rotate the dual fan fixing shaft 5.
In this embodiment, a cooling air inlet is formed in a mute box of the ultra-mute diesel generator set, by arranging the intermediate partition plate 3 and the air guide cover 6, the centrifugal fan 2 discharges hot air on one side of the diesel engine 4 completely through the air guide channel 9 on the air guide cover 6, and the engine large fan 1 sucks cold air from the cooling air inlet to cool the radiator 7.
In the embodiment, the centrifugal fan 2 and the engine big fan 1 are simultaneously fixed on one shaft by the double-fan fixed shaft 5, the double-fan fixed shaft 5 is positioned and installed with a belt pulley on a crankshaft of the diesel engine 4, and the diesel engine 4 drives the double fans 1 and 2 to work through the belt transmission device 10.
In this embodiment, the dual-fan fixing shaft 5 is an integrated forged shaft with three flanges, the three flanges of the forged shaft are provided with mutually coaxial positioning spigots, and the three flanges of the forged shaft are respectively connected with the crankshaft of the diesel engine 4, the centrifugal fan 2 and the engine big fan 1 in sequence through the positioning spigots.
The positioning rabbets of the three flanges of the forging shaft are machined in one step in the same turning process so as to improve the coaxiality of the positioning rabbets.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A partition heat dissipation and noise reduction structure of an ultra-silent diesel generator set is characterized by comprising a double-fan fixing shaft arranged between a diesel engine and a radiator, an engine big fan and a centrifugal fan which are respectively arranged on the double-fan fixing shaft, the centrifugal fan is positioned between the large engine fan and the diesel engine, the air outlet of the large engine fan faces the radiator, the air suction inlet of the centrifugal fan is close to one end of the air outlet side of the diesel engine, an intermediate clapboard is arranged between one end of the air outlet side of the diesel engine and the centrifugal fan, the middle clapboard is provided with an air inlet hole which is used for leading hot air flow at one side of the diesel engine into one side of the air suction inlet of the centrifugal fan, an air guide cover is arranged on the periphery of an air outlet of the centrifugal fan, and an air guide channel separated from the engine big fan is arranged on the air guide cover; the double-fan fixing shaft is an integrated forged shaft with three flanges.
2. The structure of claim 1, wherein the air guide channel is arranged to turn around with respect to an axis of the dual-fan fixed shaft, and a hot air flow on one side of the diesel engine is guided out of a mute box of the ultra-silent diesel generator set through the air guide channel.
3. The structure of claim 2, wherein the wind scooper is connected to the intermediate partition.
4. The structure of claim 2, wherein composite noise reducing cotton is installed in the air guide channel.
5. The structure of claim 1, wherein the dual-fan fixing shaft penetrates through the air inlet hole of the middle partition plate.
6. The structure of claim 1, wherein the dual-fan fixing shaft is connected to a crankshaft of the diesel engine through a belt transmission device so as to rotate the dual-fan fixing shaft.
7. The structure of claim 1, wherein a silencing box of the ultra-silent diesel generator set is provided with a cooling air inlet, the centrifugal fan exhausts hot air from one side of the diesel engine through an air guide channel on the air guide cover by arranging a middle partition plate and the air guide cover, and the engine large fan absorbs cold air from the cooling air inlet to cool the radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022488488.0U CN212838038U (en) | 2020-11-02 | 2020-11-02 | Super-silent diesel generating set's subregion heat dissipation structure of making an uproar of falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022488488.0U CN212838038U (en) | 2020-11-02 | 2020-11-02 | Super-silent diesel generating set's subregion heat dissipation structure of making an uproar of falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838038U true CN212838038U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022488488.0U Active CN212838038U (en) | 2020-11-02 | 2020-11-02 | Super-silent diesel generating set's subregion heat dissipation structure of making an uproar of falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838038U (en) |
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2020
- 2020-11-02 CN CN202022488488.0U patent/CN212838038U/en active Active
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