CN214221333U - Air inlet and exhaust device of low-noise diesel generating set - Google Patents
Air inlet and exhaust device of low-noise diesel generating set Download PDFInfo
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- CN214221333U CN214221333U CN202023182014.XU CN202023182014U CN214221333U CN 214221333 U CN214221333 U CN 214221333U CN 202023182014 U CN202023182014 U CN 202023182014U CN 214221333 U CN214221333 U CN 214221333U
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Abstract
The utility model relates to the technical field of noise reduction of generators, and discloses an air intake and exhaust device of a low-noise diesel generator set, which comprises a box body, wherein a damping device is fixedly arranged at the bottom of an inner cavity of the box body, a generator is fixedly arranged at the top of the damping device, an air inlet is arranged at the left side of the box body, an air outlet is arranged at the right side of the box body, sound insulation walls are fixedly arranged at the left side and the right side of the inner cavity of the box body respectively, an air guide groove is formed in the left side of each sound insulation wall in a penetrating way, silencing cotton is fixedly arranged at the inner wall of the air guide groove, resistive sheet type silencing plates are fixedly arranged on the outer surfaces of the two sound insulation walls respectively, the air intake and exhaust device of the low-noise diesel generator set carries out noise reduction on the intake and exhaust of the generator by the silencing cotton, the sound energy is converted into heat energy by the matching of the sound insulation walls with the resistive sheet type silencing plates, and the noise of the intake and exhaust of the diesel generator set during working is reduced, the problem that noise disturbs residents is avoided.
Description
Technical Field
The utility model relates to a technical field that makes an uproar falls in the generator specifically is a low noise diesel generating set's air inlet and exhaust device.
Background
The diesel generator is a small-sized power generation equipment, and is a power machine using diesel oil as fuel and using diesel engine as prime mover to drive generator to generate power, and its complete set of machine set is formed from diesel engine, generator, control box, fuel tank, starting and controlling accumulator jar, protection device and emergency cabinet, etc. when the diesel generator set is worked, the noise of air intake and exhaust is greater.
When the existing air inlet and exhaust device of the diesel generating set is used, the noise suppression effect generated by air inlet and exhaust is poor, the problem of influence of noise on the surrounding environment is not effectively solved, and when the generator works for a long time, the noise reduction effect of the air inlet and exhaust device can be reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a low noise diesel generating set advances exhaust device possesses the noise that can reduce the generator during operation and advance to air exhaust the production, has avoided the generator to advance advantages such as noise disturbing people's problem of airing exhaust, and it is not good to have solved the noise suppression effect that advances exhaust device and advance the production when airing exhaust to the generator, does not effectively solve the influence of noise to surrounding environment, when the long-time during operation of generator, advances the problem that exhaust device noise reduction effect can descend.
(II) technical scheme
In order to solve the technical problem, the utility model provides a following technical scheme: the air inlet and exhaust device comprises a box body, wherein a damping device is fixedly mounted at the bottom of an inner cavity of the box body, a generator is fixedly mounted at the top of the damping device, an air inlet is formed in the left side of the box body, an air outlet is formed in the right side of the box body, sound insulation walls are fixedly mounted on the left side and the right side of the inner cavity of the box body, an air guide groove is formed in the left side of each sound insulation wall in a penetrating mode, silencing cotton is fixedly mounted on the inner wall of the air guide groove, resistive silencing plates are fixedly mounted on the outer surfaces of the two sound insulation walls, and a square air guide pipe is communicated with the right side of the generator.
Preferably, the top of the two resistive sheet type sound-absorbing plates is fixedly provided with a heat-conducting metal block, and the top of the inner cavity of the box body is fixedly provided with a water tank.
Preferably, the tops of the two heat-conducting metal blocks penetrate through the water tank and extend to the inside of the water tank.
Preferably, the inner cavity of the water tank is fixedly provided with a heat dissipation plate, and the top of the heat conduction metal block is fixedly connected with the bottom of the heat dissipation plate.
Preferably, a low-drying motor is fixedly mounted at the bottom of the left side of the inner cavity of the box body, a rotating shaft is fixedly mounted at the output end of the low-drying motor through a speed reducer, and fan blades are fixedly mounted on the outer surface of the rotating shaft.
Preferably, the right side of the box body is provided with a heat dissipation hole.
(III) advantageous effects
Compared with the prior art, the utility model provides a low noise diesel generating set advances exhaust device possesses following beneficial effect: this low noise diesel generating set's air inlet and exhaust device accessible amortization is cotton advances to air exhaust to the generator and once falls and makes an uproar, advances to air exhaust through the sound-proof wall cooperation resistive sheet formula acoustical panel and turns into acoustic energy heat energy, advances to air exhaust to the generator and carries out the secondary and fall and make an uproar, and the heat energy that comes through resistive sheet formula acoustical panel conversion passes through the heat conduction metal block and transmits for the heating panel, continues to cool down for the heating panel through the water in the water tank after that.
1. This low noise diesel generating set's exhaust device that advances to air exhaust through the amortization cotton to the generator and carry out once making an uproar falls, and through the resistive sheet formula acoustical panel of sound-insulating wall cooperation heat energy transformation into, the noise of advancing to air exhaust of diesel generating set during operation has been reduced, has avoided the generator to advance the problem that the noise of airing exhaust disturbs the people, has improved the suppression effect of advancing exhaust device to the noise, has guaranteed that diesel generating set can work for a long time.
2. This low noise diesel generating set advances exhaust device, the heat energy that comes through the conversion of hindering nature piece formula acoustical panel gives the heating panel through heat conduction metal block, continues to cool down for the heating panel through the water in the water tank after that, has reached and has lasted the purpose of heat conduction to hindering nature piece formula acoustical panel, has avoided the too high influence of hindering nature piece formula acoustical panel temperature to advance the problem that exhaust device made an uproar, has prolonged the life of hindering nature piece formula acoustical panel.
Drawings
Fig. 1 is a front view of the internal structure of the present invention.
Fig. 2 is a longitudinal sectional view of the structure of the heat-conducting metal block, the resistive sheet type sound-absorbing plate, the sound-insulating wall, the air guide groove and the sound-absorbing cotton of the present invention.
Fig. 3 is a front view of the internal structure of the water tank of the present invention.
In the figure: 1. a box body; 2. a damping device; 3. a generator; 4. an air inlet; 5. an air outlet; 6. a sound-insulating wall; 7. a wind guide groove; 8. silencing cotton; 9. a resistive sheet type acoustical panel; 10. a square air duct; 11. a heat conductive metal block; 12. a water tank; 13. a heat dissipation plate; 14. a low-dryness motor; 15. a fan blade; 16. and (4) heat dissipation holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an air intake and exhaust device of a low-noise diesel generator set comprises a box body 1, a damping device 2 is fixedly installed at the bottom of an inner cavity of the box body 1, the damping device 2 is used for reducing noise generated by machine vibration when the generator 3 works, the top of the damping device 2 is fixedly installed with the generator 3, the left side of the box body 1 is provided with an air inlet 4, the right side of the box body 1 is provided with an air outlet 5, the left side and the right side of the inner cavity of the box body 1 are fixedly provided with sound insulation walls 6, the left sides of the two sound insulation walls 6 are respectively provided with an air guide groove 7 in a penetrating manner, the inner wall of the air guide groove 7 is fixedly provided with silencing cotton 8, the outer surfaces of the two sound insulation walls 6 are respectively fixedly provided with resistive sheet type silencing plates 9, the right side of the generator 3 is communicated with a square air guide, the top of two heat conduction metal blocks 11 all runs through water tank 12 and extends to the inside of water tank 12, the inner chamber fixed mounting of water tank 12 has heating panel 13, the top of heat conduction metal block 11 and the bottom fixed connection of heating panel 13, the left bottom fixed mounting of 1 inner chamber of box has low dry motor 14, the output of low dry motor 14 has the rotation axis through speed reducer fixed mounting, and the external fixed surface of rotation axis has flabellum 15, louvre 16 has been seted up on the right side of box 1.
The working principle is as follows: firstly, when a user starts the generator 3 to work, external air enters the air guide groove 7 through the air inlet 4, enters the air inlet valve of the generator 3 after being subjected to primary noise reduction through the noise reduction cotton 8, when the generator 3 exhausts air, wind power can pass through the air guide groove 7 through the square air guide pipe 10 and is exhausted through the air outlet 5, when the wind power passes through the air guide groove 7, the noise reduction cotton 8 is subjected to primary noise reduction, the sound insulation wall 6 is matched with the resistive sheet type noise reduction plate 9 to convert sound energy into heat energy, the air intake and exhaust of the generator 3 is subjected to secondary noise reduction, the heat energy converted from the resistive sheet type noise reduction plate 9 is transferred to the heat dissipation plate 13 through the heat conduction metal block 11, then the heat dissipation plate 13 is continuously cooled through water in the water tank 12, further the temperature reduction of the resistive sheet type noise reduction plate 9 is completed, the effect of the air intake and exhaust continuous noise reduction of the generator 3 by the resistive sheet type noise reduction plate 9 is ensured, and the fan blades 15 are driven to rotate by starting the low-dryness motor 14 matched with the rotating shaft, the heat in the case 1 can be quickly discharged through the heat radiation holes 16.
In conclusion, the air intake and exhaust device of the low-noise diesel generator set can perform primary noise reduction on the intake air and the exhaust air of the generator 3 through the silencing cotton 8, convert sound energy into heat energy through the sound-insulating wall 6 matched with the resistive sheet type silencing plate 9, perform secondary noise reduction on the intake air and the exhaust air of the generator 3, transmit the heat energy converted through the resistive sheet type silencing plate 9 to the heat-radiating plate 13 through the heat-conducting metal block 11, and then continuously cool the heat-radiating plate 13 through water in the water tank 12.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a low noise diesel generating set's air inlet and exhaust device, includes box (1), the bottom fixed mounting of box (1) inner chamber has damping device (2), its characterized in that: the top fixed mounting of damping device (2) has generator (3), air intake (4) have been seted up in the left side of box (1), air exit (5) have been seted up on the right side of box (1), the equal fixed mounting in left side and the right side of box (1) inner chamber has sound-proof wall (6), two sound-proof wall (6)'s left side all runs through and has seted up wind-guiding groove (7), the inner wall fixed mounting of wind-guiding groove (7) has amortization cotton (8), two the equal fixed mounting of surface of sound-proof wall (6) has hindering nature piece formula acoustical panel (9), the right side intercommunication of generator (3) has square guide duct (10).
2. The air intake and exhaust device of the low-noise diesel generator set according to claim 1, characterized in that: the top of the resistive sheet type sound-absorbing plate (9) is fixedly provided with a heat-conducting metal block (11), and the top of the inner cavity of the box body (1) is fixedly provided with a water tank (12).
3. The air intake and exhaust device of the low-noise diesel generator set according to claim 2, characterized in that: the tops of the two heat-conducting metal blocks (11) penetrate through the water tank (12) and extend to the inside of the water tank (12).
4. The air intake and exhaust device of the low-noise diesel generator set according to claim 2, characterized in that: the inner cavity fixed mounting of water tank (12) has heating panel (13), the top of heat conduction metal block (11) and the bottom fixed connection of heating panel (13).
5. The air intake and exhaust device of the low-noise diesel generator set according to claim 1, characterized in that: the left bottom fixed mounting of box (1) inner chamber has low dry motor (14), the output of low dry motor (14) passes through speed reducer fixed mounting and has the rotation axis, and the outer fixed surface of rotation axis installs flabellum (15).
6. The air intake and exhaust device of the low-noise diesel generator set according to claim 1, characterized in that: the right side of the box body (1) is provided with a heat dissipation hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023182014.XU CN214221333U (en) | 2020-12-25 | 2020-12-25 | Air inlet and exhaust device of low-noise diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023182014.XU CN214221333U (en) | 2020-12-25 | 2020-12-25 | Air inlet and exhaust device of low-noise diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221333U true CN214221333U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023182014.XU Active CN214221333U (en) | 2020-12-25 | 2020-12-25 | Air inlet and exhaust device of low-noise diesel generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221333U (en) |
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2020
- 2020-12-25 CN CN202023182014.XU patent/CN214221333U/en active Active
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