CN114635783A

CN114635783A - Electric auxiliary turbocharger

Info

Publication number: CN114635783A
Application number: CN202210190435.1A
Authority: CN
Inventors: 印常华
Original assignee: Jiangsu Zhengchi Mechanical And Electrical Co ltd
Current assignee: Jiangsu Zhengchi Mechanical And Electrical Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-17
Anticipated expiration: 2042-02-28
Also published as: CN114635783B

Abstract

The invention discloses an electric auxiliary turbocharger, which comprises a turbocharger main body, and also comprises a heat dissipation device and a silencing device which are fixed on the outer surface of the turbocharger main body; the heat dissipation device comprises a heat dissipation casing, a cooling box and a refrigerating device, wherein an air blowing device is fixed on the inner surface of the heat dissipation casing and is connected with the cooling box through an air conveying pipe; the cooling box is connected with an air outlet pipe, one end of the air outlet pipe is fixedly connected with the output end of the refrigerating device, and a cold air maker is arranged in the refrigerating device; the silencer comprises a device shell, a sound absorption device and a silencing treatment box, wherein the sound absorption device is fixedly connected with an output end of the sound absorption device to form a sound absorption pipeline, and the sound absorption pipeline is fixedly connected with one end of the sound absorption pipeline to form a noise reduction device. The electrically-assisted turbocharger can effectively perform heat dissipation treatment on the turbocharger in use, and the service life of the turbocharger is prolonged; the noise that produces in can reducing the turbo charger working process reduces the influence to user's physical and mental health, improves the result of use.

Description

Electric auxiliary turbocharger

Technical Field

The invention belongs to the technical field of turbochargers, and particularly relates to an electric auxiliary turbocharger.

Background

The turbocharger is actually an air compressor, the air intake is increased by compressing air, the turbine in a turbine chamber is pushed by the inertia impulse force of exhaust gas exhausted by an engine, the turbine drives a coaxial impeller, the impeller pumps the air sent by an air filter pipeline to boost the air into a cylinder, when the rotating speed of the engine is increased, the exhaust gas exhausting speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air into the cylinder, the pressure and the density of the air are increased, more fuel can be combusted, the fuel quantity is correspondingly increased, the rotating speed of the engine is adjusted, and therefore the output power of the engine is increased.

Compared with the common supercharger, the electric auxiliary turbocharger has much higher matching performance with an engine in the aspects of flow, efficiency and the like, so that the electric auxiliary turbocharger is widely applied, however, after the conventional electric auxiliary turbocharger works for a period of time, an internal rotating shaft can generate a large amount of heat after rotating for a long time, and meanwhile, the external surface of the turbocharger can be brought with a large amount of heat, the internal heat and the external heat are difficult to dissipate, so that the turbocharger is in a high-temperature environment for a long time, and parts in the turbocharger are easy to damage, so that the service life of the turbocharger is influenced, and the utilization efficiency of the turbocharger is reduced; in addition, the electrically-assisted turbocharger can generate noise when in use, and the noise generated when the turbocharger is used becomes an important source of environmental noise pollution due to wide application scenes, so that the physical and psychological health of a user is influenced, the use effect of the turbocharger is reduced, and improvement is needed.

Disclosure of Invention

The invention aims to provide an electrically-assisted turbocharger which can effectively perform heat dissipation treatment on the turbocharger in use and prolong the service life of the turbocharger.

Another object of the present invention is to provide an electrically assisted turbocharger, which can reduce noise generated during the operation of the turbocharger, reduce the influence on the physical and mental health of a user, and improve the use effect.

In order to achieve the above purpose, the solution of the invention is:

an electrically assisted turbocharger includes a turbocharger body; the turbocharger also comprises a heat dissipation device and a silencing device which are fixed on the outer surface of the turbocharger main body;

the cooling box is fixedly arranged in the heat dissipation casing; the inner surface of the heat dissipation casing is provided with heat dissipation holes, the outer wall of each heat dissipation hole is fixedly provided with an air blowing device, the output end of each air blowing device is fixedly connected with an air pipe, and the other end of each air pipe is fixedly connected with the output end of the cooling box; the side surface of the cooling box is fixedly connected with an air outlet pipe, and a cooling assembly is arranged in the cooling box; one end of the air outlet pipe is fixedly connected with the output end of the refrigerating device, and a cold air maker is arranged in the refrigerating device;

the silencing device comprises a device shell, a sound absorption device and a silencing treatment box, wherein the silencing treatment box is fixedly arranged inside the device shell; inhale the side fixedly connected with fixed block of sound device, inhale the output fixedly connected with of sound device and inhale the sound pipeline, inhale the one end fixedly connected with of sound pipeline and fall the device of making an uproar, fall one side of the device of making an uproar and one side fixed connection of amortization processing case.

The inner wall swing joint of above-mentioned heat dissipation cover shell has the dismantlement subassembly.

The inner wall of the shell of the device is fixedly provided with a sound insulation board, and the inner surface of the sound insulation board is fixedly provided with a sound insulation cotton ball.

The top of the silencing treatment box is provided with a silencing opening, the inner wall of the silencing treatment box is fixedly provided with a connecting assembly, one end of the connecting assembly is fixedly provided with a vibration spring, and one end of the vibration spring is fixedly provided with an oscillation silencing plate; the silencing treatment box is characterized in that a silencing hole is formed in the silencing treatment box, an oscillation silencing pipe is arranged below the oscillation silencing plate, and two ends of the oscillation silencing pipe are movably connected with the side face of an inner cavity of the silencing treatment box.

After adopting the scheme, compared with the prior art, the invention has the beneficial effects that:

(1) the invention provides an electric auxiliary turbocharger, which adopts the common matching of a heat dissipation casing, a heat dissipation hole, a blowing device, a gas pipe, a cooling box, a gas outlet pipe, a refrigerating device and a disassembly assembly, after cold air produced by the refrigerating device is transmitted through the gas outlet pipe and is further cooled through the cooling box, the cold air is blown to the outer surface of a turbocharger body through the blowing device through the matching between the blowing device and the gas pipe so as to cool the turbocharger body by wind, thereby avoiding the problems that after the electric auxiliary turbocharger works for a period of time, a rotating shaft in the electric auxiliary turbocharger can generate a large amount of heat because of long-time rotation, and the large amount of heat can be brought to the outer surface of the turbocharger, the inner heat and the outer heat can not be easily dissipated, and the turbocharger can be in a high-temperature environment for a long time, certain damage can be caused to parts in the electric auxiliary turbocharger device, and the service life of the turbocharger can be influenced, thereby achieving the effect of improving the utilization efficiency of the turbocharger;

(2) the invention provides an electric auxiliary turbocharger, which adopts the common cooperation of a device shell, a sound absorption device, a fixed block, a sound absorption pipeline, a noise reduction device, a silencing treatment box and a sound insulation plate, wherein noise generated by the turbocharger is absorbed by the sound absorption device and then transmitted to the interior of the noise reduction device through the sound absorption pipeline, the noise reduction device is subjected to noise reduction treatment firstly, and then is subjected to noise reduction treatment after being circulated to the interior of the silencing treatment box through the noise, and meanwhile, dispersed noise waves are isolated by the sound insulation plate, so that the problems that the electric auxiliary turbocharger generates noise when in use, various noises caused by the turbocharger also become important sources of environmental noise pollution and influence the physical and mental health of a user are solved, and the problem of improving the use efficiency of the turbocharger is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a heat dissipation device of the present invention;

FIG. 3 is a schematic cross-sectional view of a silencer assembly according to the present invention;

FIG. 4 is a schematic sectional view of a silencing treatment box according to the present invention.

Reference numerals:

1. a turbocharger main body;

2. a heat sink;

21. a heat dissipation casing; 22. heat dissipation holes; 23. a blowing device;

24. a gas delivery pipe; 25. a cooling tank; 26. an air outlet pipe;

27. a refrigeration device; 28. disassembling the assembly;

3. a silencer device; 31. a device housing; 32. a sound absorbing device;

33. a fixed block; 34. a sound absorbing duct; 35. a noise reduction device;

36. a silencing treatment box; 361. a sound deadening port; 362. a connecting assembly;

363. a vibration spring; 364. oscillating the acoustical panel;

365. a silencing hole; 366. an oscillating silencer duct;

37. an acoustic baffle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1, the present invention provides an electrically assisted turbocharger, which comprises a turbocharger body 1, and a heat dissipation device 2 and a noise reduction device 3 are fixedly mounted on an outer surface of the turbocharger body 1, which are respectively described below.

As shown in fig. 2, the heat dissipation device 2 includes a heat dissipation casing 21, a cooling box 25 and a refrigeration device 27, wherein a plurality of heat dissipation holes 22 are formed in the inner surface of the heat dissipation casing 21, a blowing device 23 is fixedly installed on the outer wall of each heat dissipation hole 22, the cooling box 25 is fixedly installed inside the heat dissipation casing 21, the output end of the blowing device 23 is connected to the output end of the cooling box 25 through a gas pipe 24, a cooling assembly is arranged inside the cooling box 25, the side surface of the cooling box 25 is connected to a gas outlet pipe 26, the other end of the gas outlet pipe 26 is fixedly connected to the output end of the refrigeration device 27, and a cold air producer is arranged inside the refrigeration device 27; the cold air producer in the refrigerating device 27 produces cold air, the cold air enters the cooling box 25 through the transmission of the air outlet pipe 26, is further cooled by the cooling component in the cooling box 25, and is blown to the outer surface of the turbocharger main body 1 through the air conveying pipe 24 and the air blowing device 23, and the heat is dissipated in an air cooling mode. The inner wall of the heat dissipation casing 21 is also movably connected with a dismounting assembly 28, which is helpful for conveniently dismounting the heat dissipation casing 21.

As shown in fig. 3, the silencer 3 includes a device housing 31, a sound absorber 32 and a silencing treatment box 36, the silencing treatment box 36 is fixedly installed inside the device housing 31, a fixing block 33 is fixedly connected to a side surface of the sound absorber 32, a sound absorbing pipeline 34 is fixedly connected to an output end of the sound absorber 32, a noise reducer 35 is fixedly connected to one end of the sound absorbing pipeline 34, one side of the noise reducer 35 is fixedly connected to one side of the silencing treatment box 36, a sound insulating plate 37 is fixedly installed on an inner wall of the device housing 31, and a sound insulating cotton ball is fixedly installed on an inner surface of the sound insulating plate 37; noise generated by the turbocharger is absorbed by the sound absorber 32, and then passes through the sound absorbing pipe 34 to the interior of the noise reducer 35, and then is subjected to noise reduction processing by the noise reduction unit in the noise reducer 35, and then is transmitted to the interior of the silencing processing box 36 for sound reduction processing.

As a preferred embodiment of the present invention, as shown in fig. 4, a silencing port 361 is formed at the top of the silencing treatment box 36, a connecting assembly 362 is fixedly mounted on the inner wall of the silencing treatment box 36, a vibration spring 363 is fixedly mounted at one end of the connecting assembly 362, an oscillation silencing plate 364 is fixedly mounted at one end of the vibration spring 363, a silencing hole 365 is formed in the silencing treatment box 36, an oscillation silencing pipe 366 is disposed below the oscillation silencing plate 364, and both ends of the oscillation silencing pipe 366 are movably connected to the side surface of the inner cavity of the silencing treatment box 36.

In this embodiment, the noise subjected to the noise reduction processing is sent to the inside of the sound attenuation processing box 36 through the sound attenuation port 361, when the noise passes through the gap of the vibration sound attenuation plate 364, because the noise has a circulation property in the air, the sound wave during circulation can make the vibration spring 363 vibrate, the vibration sound attenuation plate 364 is driven by the vibration spring 363 to vibrate together, and the sound waves of the noise can be offset each other while they vibrate, and similarly, the dispersed sound waves can be offset by the vibration of the vibration sound attenuation pipe 366, and the noise can be absorbed through the sound attenuation holes on the opening area, thereby achieving the sound attenuation effect.

The working principle of the invention is as follows: firstly, the cold air is produced by the cold air producer in the refrigerating device 27, the cold air enters the cooling box 25 through the transmission of the air outlet pipe 26, is further cooled by the cooling component in the cooling box 25, and then is blown to the outer surface of the turbocharger main body 1 through the air conveying pipe 24 in cooperation with the blowing device 23, and is radiated in an air cooling mode, then the noise generated by the turbocharger is absorbed by the sound absorption device 32 and is output and matched with the sound absorption pipeline 34 to the inside of the noise reduction device 35, and the noise reduction component in the noise reduction device 35 is firstly subjected to noise reduction treatment and then is transmitted to the inside of the noise reduction treatment box 36 for noise reduction treatment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of 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, are not to be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An electrically assisted turbocharger comprising a turbocharger body (1); the method is characterized in that: the turbocharger also comprises a heat dissipation device (2) and a silencing device (3) which are fixed on the outer surface of the turbocharger main body (1);

the heat dissipation device (2) comprises a heat dissipation casing (21), a cooling box (25) and a refrigerating device (27), wherein the cooling box (25) is fixedly arranged in the heat dissipation casing (21); the inner surface of the heat dissipation casing (21) is provided with heat dissipation holes (22), the outer wall of each heat dissipation hole (22) is fixedly provided with a blowing device (23), the output end of each blowing device (23) is fixedly connected with an air conveying pipe (24), and the other end of each air conveying pipe (24) is fixedly connected with the output end of the cooling box (25); an air outlet pipe (26) is fixedly connected to the side surface of the cooling box (25), and a cooling assembly is arranged in the cooling box (25); one end of the air outlet pipe (26) is fixedly connected with the output end of the refrigerating device (27), and a cold air generator is arranged in the refrigerating device (27);

the silencing device (3) comprises a device shell (31), a sound absorption device (32) and a silencing treatment box (36), wherein the silencing treatment box (36) is fixedly arranged inside the device shell (31); inhale side fixedly connected with fixed block (33) of sound device (32), the output fixedly connected with who inhales sound device (32) inhales sound pipeline (34), inhale the one end fixedly connected with who sound pipeline (34) and fall device (35) of making an uproar, fall one side of device (35) and one side fixed connection of amortization treatment case (36) of making an uproar.

2. An electrically assisted turbocharger according to claim 1, wherein: the inner wall of the heat dissipation casing (21) is movably connected with a dismounting component (28).

3. An electrically assisted turbocharger according to claim 1, wherein: the device is characterized in that a sound insulation plate (37) is fixedly mounted on the inner wall of the device shell (31), and a soundproof cotton ball is fixedly mounted on the inner surface of the sound insulation plate (37).

4. An electrically assisted turbocharger according to claim 1, wherein: a silencing port (361) is formed in the top of the silencing treatment box (36), a connecting assembly (362) is fixedly mounted on the inner wall of the silencing treatment box (36), a vibration spring (363) is fixedly mounted at one end of the connecting assembly (362), and an oscillation silencing plate (364) is fixedly mounted at one end of the vibration spring (363); a silencing hole (365) is formed in the silencing treatment box (36), an oscillation silencing pipe (366) is arranged below the oscillation silencing plate (364), and two ends of the oscillation silencing pipe (366) are movably connected with the side face of the inner cavity of the silencing treatment box (36).