CN213478777U - Turbocharger with noise reduction device - Google Patents
Turbocharger with noise reduction device Download PDFInfo
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- CN213478777U CN213478777U CN202022483686.8U CN202022483686U CN213478777U CN 213478777 U CN213478777 U CN 213478777U CN 202022483686 U CN202022483686 U CN 202022483686U CN 213478777 U CN213478777 U CN 213478777U
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Abstract
The utility model relates to a turbocharger, especially, relate to a turbocharger with device of making an uproar falls, it includes turbine housing, turbine housing's gas outlet communicates in proper order has first noise reduction pipe and second noise reduction pipe, the inner wall fixedly connected with amortization of first noise reduction pipe is cotton, be equipped with the buffering subassembly that is used for slowing down the air current in the second noise reduction pipe, buffering subassembly includes support ring, buffer board, support ring fixed connection falls the one end that the pipe is close to first noise reduction pipe in the second noise reduction pipe, the support ring is on a parallel with the terminal surface setting of first noise reduction pipe, the support ring deviates from the one end fixedly connected with guide pillar of first noise reduction pipe, the buffer board sliding sleeve is established on the guide pillar, fixedly connected with spacing extension spring between buffer board and the support ring, spacing extension spring cover is established on the guide pillar. The application has the effect of noise when noise turbo charger discharges waste gas.
Description
Technical Field
The present application relates to a turbocharger, and more particularly, to a turbocharger with a noise reduction device.
Background
The turbocharger is actually an air compressor that increases the intake air amount by compressing air. The engine uses the inertia impulse force of the exhaust gas from the engine to push the turbine in the turbine chamber, the turbine drives the coaxial impeller, the impeller presses the air sent by the air filter pipeline, and the air is pressurized and enters the cylinder. When the rotating speed of the engine is increased, the exhaust gas exhaust speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air to enter the air cylinder, the pressure and the density of the air are increased, more fuel can be combusted, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotating speed of the engine.
Chinese patent with publication number CN202441480U discloses a turbocharger, which comprises a housing, an inner cavity is arranged in the housing, a turbine shaft is arranged in the inner cavity, a turbine, an impeller, the turbine, the impeller is respectively arranged at two ends of the turbine shaft, the housing comprises a turbine housing, an air compressing housing and a middle body, the turbine housing, the air compressing housing and the middle body are detachably connected, the middle body is arranged between the turbine housing and the air compressing housing, a turbine cavity is arranged in the turbine housing, an air compressing cavity is arranged in the air compressing housing, a connecting cavity is arranged in the middle body, the turbine cavity, the connecting cavity and the air compressing cavity form an inner cavity, the turbine is arranged in the turbine cavity, the impeller is arranged in the air compressing cavity, a lubricating oil passage is arranged on the middle body, the lubricating oil passage is communicated with the connecting cavity, the air compressing.
With respect to the related art in the above, the inventors consider that: above-mentioned technical scheme is in the course of the work, when waste gas outwards discharged from the turbine chamber, can produce the noise, and the noise passes through in carriage hole, the automobile body vibration transmits passenger cabin, produces the interference to passenger and driver.
SUMMERY OF THE UTILITY MODEL
In order to reduce the noise when the noise turbocharger discharges the exhaust gas, the application provides a turbocharger with a noise reduction device.
The application provides a turbo charger with device of making an uproar falls adopts following technical scheme:
the utility model provides a turbo charger with device of making an uproar falls, includes turbine housing, turbine housing's gas outlet communicates in proper order has first noise reduction pipe and the second noise reduction pipe, the inner wall fixedly connected with amortization cotton of first noise reduction pipe, be equipped with the buffering subassembly that is used for slowing down the air current in the second noise reduction pipe, the buffering subassembly includes support ring, buffer board, the one end that the pipe is close to first noise reduction pipe is fallen in the second noise reduction pipe to the support ring fixed connection, the support ring is on a parallel with the terminal surface setting of first noise reduction pipe, the support ring deviates from the one end fixedly connected with guide pillar of first noise reduction pipe, buffer board sliding sleeve is established on the guide pillar, fixedly connected with spacing extension spring between buffer board and the support ring, spacing extension spring cover is established.
Through adopting above-mentioned technical scheme, gaseous from turbine housing inflow first noise reduction pipe, when first noise reduction is intraductal, the amortization is cotton adsorbs the noise, then, gaseous along first noise reduction pipe transmission until getting into the second noise reduction pipe, when gaseous entering second noise reduction was intraductal, the buffering subassembly slowed down gas, the energy consumption of the energy of increasing can to the realization is fallen the noise. Above-mentioned technical scheme is fallen the pipe through first falling and is fallen the pipe and cooperate with the second, when adsorbing the noise, has increased the energy consumption of sound energy to noise reduction has been realized.
Optionally, a plurality of acoustical panels are fixedly connected to the inner wall of the first noise reduction pipe, the acoustical panels are arranged along the length direction of the first noise reduction pipe in a staggered mode, and the acoustical panels are arranged towards the second noise reduction pipe in an inclined mode.
Through adopting above-mentioned technical scheme, the acoustical panel adsorbs the noise, and simultaneously, the air current collides the acoustical panel, has increased the loss of acoustic energy, has further improved the noise reduction effect.
Optionally, a baffle is connected to one end of the guide pillar away from the support ring through threads.
Through adopting above-mentioned technical scheme, the baffle carries on spacingly to the buffer board, has reduced the possibility that the buffer board drops from the guide pillar, has improved the stability of buffer board when the motion.
Optionally, at least two guide pillars are arranged along the circumferential direction of the support ring.
Through adopting above-mentioned technical scheme, the stability of the support that provides the buffer board has been improved in setting up of a plurality of guide posts.
Optionally, the diameter of the end of the second noise reduction pipe far away from the first noise reduction pipe is larger than the diameter of the end of the second noise reduction pipe close to the first noise reduction pipe.
Through adopting above-mentioned technical scheme, gaseous flow space increase after getting into the second pipe of making an uproar falls, and speed slows down to the noise has been reduced.
Optionally, the sound-absorbing plate is provided with a plurality of sound-absorbing holes.
Through adopting above-mentioned technical scheme, the noise reduction effect has been improved to the noise absorption of amortization pore pair noise.
Optionally, the joint of the first noise reduction tube and the second noise reduction tube is sleeved with a hoop.
Through adopting above-mentioned technical scheme, the setting of staple bolt has improved the first noise reduction pipe and has fallen the stability of being connected between the pipe of making an uproar with the second, has reduced the gas possibility of leaking from the first noise reduction pipe and the second falls the pipe junction of making an uproar, has guaranteed the effect of making an uproar.
Optionally, the inner wall of the second noise reduction pipe is provided with a plurality of silencing grooves, and the silencing grooves are honeycomb-shaped.
Through adopting above-mentioned technical scheme, honeycomb amortization groove adsorbs the noise, has improved the noise reduction effect.
To sum up, the application comprises the following beneficial technical effects:
1. the first noise reduction pipe is matched with the second noise reduction pipe, so that the energy consumption of sound energy is increased while noise is absorbed, and noise reduction is realized;
2. the noise reduction plate absorbs noise, and meanwhile, air flow collides with the noise reduction plate, so that the loss of sound energy is increased, and the noise reduction effect is further improved;
3. the honeycomb silencing groove adsorbs noise, and the noise reduction effect is improved.
Drawings
Fig. 1 is a schematic structural diagram for embodying the present application.
Fig. 2 is a cross-sectional view for embodying a first noise reduction tube.
Description of reference numerals: 1. a turbine housing; 2. a first noise reduction tube; 201. silencing cotton; 202. a sound-absorbing panel; 2021. a silencing hole; 3. a second noise reduction tube; 301. a silencing groove; 4. hooping; 5. a buffer assembly; 501. a support ring; 502. a buffer plate; 503. a guide post; 5031. a baffle plate; 504. and a limit tension spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a turbocharger with a noise reduction device. Referring to fig. 1, a turbocharger with a noise reduction device comprises a turbine housing 1, wherein a first noise reduction pipe 2 is fixedly connected to an air outlet of the turbine housing 1, and the first noise reduction pipe 2 is a circular pipe and is communicated with the turbine housing 1.
Referring to fig. 2, the inner wall of the first noise reduction pipe 2 is fixedly connected with a noise reduction cotton 201, the inner wall of the first noise reduction pipe 2 is fixedly connected with a noise reduction plate 202, and the noise reduction plate 202 is semicircular and is obliquely arranged towards one end, away from the turbine housing 1, of the first noise reduction pipe 2.
Referring to fig. 2, in order to improve the effect of absorbing noise, the noise reduction plates 202 are disposed along the length direction of the first noise reduction pipe 2, and the noise reduction plates 202 are disposed in a staggered manner. The silencing plate 202 is provided with a plurality of silencing holes 2021, and the silencing holes 2021 are matched with the silencing plate 202, so that the noise reduction effect is further improved, and meanwhile, the adsorption pressure of the silencing cotton 201 is reduced.
Referring to fig. 2, the gas is discharged from the turbine housing 1 and enters the first noise reduction pipe 2, and the noise is primarily absorbed by the noise reduction cotton 201. When flowing, the gas collides with the sound-absorbing plate 202, increasing the energy consumption of the sound energy and reducing the noise. Meanwhile, the muffling hole 2021 is matched with the muffling plate 202 to absorb noise, so that preliminary noise reduction is completed.
Referring to fig. 1, one end of the first noise reduction pipe 2, which is far away from the pressure turbine shell 1, is connected with a second noise reduction pipe 3 through a flange, and the second noise reduction pipe 3 is communicated with the first noise reduction pipe 2. In order to improve the connection tightness between the first noise reduction pipe 2 and the second noise reduction pipe 3, the joint between the first noise reduction pipe and the second noise reduction pipe is sleeved with a hoop 4. The hoop 4 reduces the possibility that gas leaks from the joint of the first noise reduction pipe 2 and the second noise reduction pipe 3, and ensures the noise reduction effect.
Referring to fig. 2, the inner wall of the second noise reduction pipe 3 is provided with a plurality of honeycomb-shaped silencing grooves 301, and the silencing grooves 301 absorb noise to reduce noise. In addition, in order to slow down the flow velocity of the gas and further reduce the noise, the diameter of the end of the second noise reduction pipe 3 far away from the first noise reduction pipe 2 is larger than the diameter of the end of the second noise reduction pipe 3 close to the inside of the first noise reduction pipe 2. After the gas enters the second noise reduction pipe 3 from the first noise reduction pipe 2, the flow space of the gas is increased, and thus its velocity is reduced, thereby reducing noise.
Referring to fig. 2, a buffer assembly 5 for decelerating the airflow is arranged in the second noise reduction tube 3, the buffer assembly 5 includes a support ring 501 and a buffer plate 502, the support ring 501 is fixedly connected to the inner wall of the second noise reduction tube 3, and is located at one end of the second noise reduction tube 3 close to the first noise reduction tube 2. One end of the support ring 501, which is away from the first noise reduction pipe 2, is fixedly connected with a guide pillar 503, the guide pillar 503 is perpendicular to the support ring 501, and the buffer plate 502 is slidably sleeved on the guide pillar 503.
Referring to fig. 2, the guide posts 503 provide support and guide for the sliding of the buffer plate 502, and in order to improve the stability of the support and guide of the buffer plate 502 by the guide posts 503, four guide posts 503 are arranged along the circumference of the support ring 501. Each guide post 503 is sleeved with a limit tension spring 504, and the limit tension spring 504 is fixedly connected between the buffer plate 502 and the support ring 501. When the limit tension spring 504 is unloaded, the buffer plate 502 is attached to the inner wall of the second noise reduction pipe 3.
Referring to fig. 2, in operation, gas is transmitted along the first noise reduction tube 2 to the second noise reduction tube 3, and when the gas is transmitted to the baffle plate 502, the impact force of the gas causes the baffle plate 502 to move in a direction away from the first noise reduction tube 2. The buffer plate 502 counteracts the force of part of the gas by its own gravity, thereby slowing down the flow velocity of the gas and reducing the noise. In addition, the buffer component 5 increases the staying time of the gas in the first noise reduction pipe 2, and the noise reduction effect is improved.
Referring to fig. 2, a baffle 5031 is screwed on one end of the guide post 503 away from the support ring 501, and the baffle 5031 reduces the possibility that the buffer plate 502 falls off from the guide post 503 due to excessive buffer force of the gas, thereby improving the stability of the buffer plate 502 during movement.
The implementation principle of the turbocharger with the noise reduction device in the embodiment of the application is as follows:
in the working process, gas enters the first noise reduction pipe 2 after being discharged from the turbine shell 1, and when the gas flows in the first noise reduction pipe 2, the gas collides with the noise reduction plate 202, so that the energy consumption of sound energy is increased, and the energy of the sound energy entering the second noise reduction pipe 3 is reduced. Meanwhile, the silencing cotton 201, the silencing plate 202 and the silencing hole 2021 are matched to perform preliminary adsorption of sound energy, and then, the gas enters the second noise reduction pipe 3.
When the gas enters the second noise reduction pipe 3, the gas is subjected to the pressure of the buffer plate 502, the flow speed is reduced, the limit tension spring 504 elastically deforms, and the buffer plate 502 moves along the direction departing from the first noise reduction pipe 2. A gap is created between the baffle plate 502 and the inner wall of the second noise reduction pipe 3, through which the gas flows outward. Finally, the silencing groove 301 in the second denoising pipe 3 further denoises the gas, and finally the denoising effect is achieved
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A turbocharger with a noise reduction device, comprising a turbine housing (1), characterized in that: the turbine shell comprises a turbine shell body (1), wherein an air outlet of the turbine shell body (1) is sequentially communicated with a first noise reduction pipe (2) and a second noise reduction pipe (3), the inner wall of the first noise reduction pipe (2) is fixedly connected with silencing cotton (201), a buffering assembly (5) used for reducing the speed of air flow is arranged in the second noise reduction pipe (3), the buffering assembly (5) comprises a supporting ring (501) and a buffering plate (502), the supporting ring (501) is fixedly connected to one end, close to the first noise reduction pipe (2), of the second noise reduction pipe (3), the supporting ring (501) is arranged in parallel to the end face of the first noise reduction pipe (2), one end, away from the first noise reduction pipe (2), of the supporting ring (501) is fixedly connected with a guide pillar (503), the buffering plate (502) is sleeved on the guide pillar (503) in a sliding manner, and a limiting tension spring (504) is fixedly connected between, the limiting tension spring (504) is sleeved on the guide post (503).
2. The turbocharger with the noise reduction device according to claim 1, wherein: the inner wall fixedly connected with of first noise reduction pipe (2) has a plurality of acoustical panel (202), and a plurality of acoustical panel (202) set up along the length direction crisscross of first noise reduction pipe (2), acoustical panel (202) are towards the slope setting of second noise reduction pipe (3).
3. The turbocharger with the noise reduction device according to claim 1, wherein: a baffle (5031) is in threaded connection with one end of the guide post (503) away from the support ring (501).
4. The turbocharger with the noise reduction device according to claim 1, wherein: the number of the guide columns (503) is at least two along the circumferential direction of the support ring (501).
5. The turbocharger with the noise reduction device according to claim 1, wherein: the diameter of the end part of the second noise reduction pipe (3) far away from the first noise reduction pipe (2) is larger than that of the end part of the second noise reduction pipe (3) close to the first noise reduction pipe (2).
6. The turbocharger with the noise reduction device according to claim 2, wherein: the sound-absorbing plate (202) is provided with a plurality of sound-absorbing holes (2021).
7. The turbocharger with the noise reduction device according to claim 1, wherein: the joint of the first noise reduction pipe (2) and the second noise reduction pipe (3) is sleeved with a hoop (4).
8. The turbocharger with the noise reduction device according to claim 1, wherein: the inner wall of the second noise reduction pipe (3) is provided with a plurality of silencing grooves (301), and the silencing grooves (301) are honeycomb-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483686.8U CN213478777U (en) | 2020-10-31 | 2020-10-31 | Turbocharger with noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483686.8U CN213478777U (en) | 2020-10-31 | 2020-10-31 | Turbocharger with noise reduction device |
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| Publication Number | Publication Date |
|---|---|
| CN213478777U true CN213478777U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022483686.8U Active CN213478777U (en) | 2020-10-31 | 2020-10-31 | Turbocharger with noise reduction device |
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| CN (1) | CN213478777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117759549A (en) * | 2023-12-29 | 2024-03-26 | 广东鑫风风机有限公司 | Noise reduction type centrifugal fan |
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2020
- 2020-10-31 CN CN202022483686.8U patent/CN213478777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117759549A (en) * | 2023-12-29 | 2024-03-26 | 广东鑫风风机有限公司 | Noise reduction type centrifugal fan |
| CN117759549B (en) * | 2023-12-29 | 2024-07-19 | 广东鑫风风机有限公司 | Noise reduction type centrifugal fan |
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