A soundproof box for a generator set

Abstract

The present invention relates to the technical field of generator set silencing, and proposes a silent box for a generator set, including a box body for placing the generator set, having a silent cavity, a first opening and a second opening, both of which are connected to the silent cavity; a heat dissipation fan, which is arranged in the silent cavity, and the air outlet is directed toward the first opening or the second opening; a first muffler, which is arranged at the first opening; a second muffler, which is arranged at the second opening, and both the first muffler and the second muffler have a plurality of staggered silencer channels, which are interconnected and are connected to the outside of the box and the silent cavity. The above technical scheme solves the problem in the related art that the noise cannot be effectively isolated due to the air inlet and exhaust port set to ensure the heat dissipation effect.

Description

Technical Field

[0001] The invention relates to the technical field of generator set silencing, and in particular to a soundproof box for a generator set. Background Art

[0002] Compared with the open generator set, the silent generator set has an additional box device, which makes the generator set have sound insulation and rainproof functions. The open generator set is enclosed by an outer shell, and sound insulation material is adhered to the inner wall of the outer shell, and air inlets and exhaust ports are set at the same time to ensure that the generator set inhales air and dissipates heat. However, the conventional silent generator set adopts a straight-through intake and exhaust cooling air duct design, and air inlets and exhaust ports are set at multiple locations such as the side wall and the top. The setting of the air inlet and exhaust port will cause the noise inside the box to be transmitted to the outside of the box, and the noise generated by the engine cannot be effectively shielded. In order to ensure a good heat dissipation effect, there must be enough air inlet and exhaust port areas, which makes it impossible to effectively reduce the internal noise transmitted to the outside of the box. Therefore, the air inlet and exhaust port set in the prior art due to the need to ensure the heat dissipation effect cannot effectively isolate the noise. Summary of the invention

[0003] The present invention provides a soundproof box for a generator set, which solves the problem in the related art that noise cannot be effectively isolated due to the air inlet and air outlet provided to ensure the heat dissipation effect.

[0004] The technical solution of the present invention is as follows:

[0005] A soundproof box for a generator set, comprising:

[0006] A box body, used for placing the generator set, having a silent cavity, a first opening and a second opening, wherein the first opening and the second opening are both connected to the silent cavity;

[0007] A heat dissipation fan, arranged in the silent cavity, with an air outlet facing the first opening or the second opening;

[0008] A first muffler, disposed at the first opening;

[0009] The second silencer is arranged at the second opening. The first silencer and the second silencer both have a plurality of staggered silencer channels. The plurality of silencer channels are interconnected and are all connected to the outside of the box and the silent cavity.

[0010] As a further technical solution, the side walls of several of the silencing channels are filter screens and have storage tanks, and the storage tanks have drying layers therein.

[0011] As a further technical solution, the first muffler and the second muffler both include:

[0012] A mounting seat is arranged on the box body and is located at the first opening or the second opening. The mounting seat has a through opening connected to the first opening or the second opening, and a side wall of the through opening has a plurality of first sliding grooves arranged at intervals;

[0013] There are a plurality of sliding plates, which are correspondingly arranged in a plurality of the first sliding grooves. The muffler channel is located on the sliding plates, and two adjacent sliding plates abut against each other.

[0014] As a further technical solution, the drying layer is a silicon dioxide desiccant.

[0015] As a further technical solution, there are two heat dissipation fans, which are respectively located at the first opening and the second opening. The two heat dissipation fans operate alternately, and after operation, the heat dissipation fans blow air toward the outside of the box.

[0016] As a further technical solution, it also includes:

[0017] There are a plurality of sound-absorbing cottons which are connected end to end and arranged on the inner wall of the box.

[0018] As a further technical solution, the mounting seat has a second slide groove and further includes:

[0019] A first rotating shaft, rotatably disposed on the mounting seat;

[0020] A windshield, one end of which is arranged on the first rotating shaft, and after the first rotating shaft rotates, the windshield is wound around the first rotating shaft, and the other end of which is slidably arranged in the second sliding groove;

[0021] A linear drive member is arranged on the mounting seat, and a driving end of the linear drive member is arranged on the other end of the wind shield, for driving the wind shield to slide along the second slide groove, and after sliding, for shielding part of the air inlet end of the silencer channel.

[0022] As a further technical solution, the windshield comprises:

[0023] There are a plurality of baffles which are slidably arranged in the second slide slot in sequence, and the driving end of the linear driving member is arranged on the baffle at the end;

[0024] There are several flexible connectors, which are correspondingly arranged between two adjacent baffles. After the baffles and the flexible connectors are connected, a wind-shielding sealing surface is formed. After the baffles slide, the wind-shielding sealing surface is used to shield the air inlet end of the silencer channel.

[0025] As a further technical solution, it also includes:

[0026] There are two air guides, which are arranged in the silent cavity, at the first opening and the second opening, and the air guides include:

[0027] There are a plurality of second rotating shafts, all of which are rotatably disposed on the box body and located in the silent cavity;

[0028] There are a plurality of air guide plates, which are correspondingly arranged on the second rotating shaft and located at the first opening or the second opening. After the second rotating shaft rotates, the air guide plates tilt upward or downward.

[0029] The working principle and beneficial effects of the present invention are:

[0030] In the present invention, the box body has only two openings, namely the first opening and the second opening, and other positions are sealed. The first silencer and the second silencer are respectively arranged at the first opening position and the second opening position. The silencer cavity is connected to the outside by a silencer channel. Several silencer channels are intertwined and interconnected to form a honeycomb structure. After the air enters the silencer channel, due to the intertwining of the internal channels, it will collide with the inner wall of the silencer channel for many times, and the vibration transmitted in the air will be eliminated through multiple contacts with the air, so as to achieve a silent effect. The fan is arranged at the first opening or the second opening position, and blows air toward the outside of the box body. Since the box body has only two openings, namely the first opening and the second opening, when blowing air toward one opening, the hot air inside will be carried to the opening toward which the heat dissipation fan is facing through the wind entering from the other opening, so as to completely replace the air inside and complete the heat dissipation. Under the premise that the first opening and the second opening have the heat dissipation function, the structure can also achieve the silencer problem during the air intake and exhaust process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0034] Figure 3 for Figure 2 A schematic diagram of the structure of part A;

[0035] Figure 4 for Figure 1 Schematic diagram of the structure of part B;

[0036] Figure 5 for Figure 1 Schematic diagram of the C part structure;

[0037] In the figure: 1, box body, 1-1, silent cavity, 1-2, first opening, 1-3, second opening, 2, heat dissipation fan, 3-1, first muffler, 3-2, second muffler, 3-3, muffler channel, 3-4, storage tank, 3-5, drying layer, 3-6, mounting seat, 3-7, first slide groove, 3-8, sliding plate, 3-9, second slide groove, 4-1, first rotating shaft, 4-2, wind shield, 4-3, linear drive member, 4-2-1, baffle, 4-2-2, flexible connector, 5, wind guide member, 5-1, second rotating shaft, 5-2, wind guide plate. DETAILED DESCRIPTION

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, they can also be understood as further technical solutions without creative work. In some figures, components with the same structure or function are only schematically illustrated, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0039] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0041] Example

[0042] Reference Figure 1~Figure 5 In order to solve the problem in the related art that the air inlet and the air outlet set to ensure the heat dissipation effect cannot effectively isolate the noise, a silent box for a generator set is proposed, comprising:

[0043] The box 1 is used to place the generator set, and has a silent cavity 1-1, a first opening 1-2 and a second opening 1-3, and the first opening 1-2 and the second opening 1-3 are both connected to the silent cavity 1-1;

[0044] A heat dissipation fan 2 is arranged in the silent cavity 1-1, and the air outlet is directed toward the first opening 1-2 or the second opening 1-3;

[0045] A first muffler 3-1, arranged at the first opening 1-2;

[0046] The second silencer 3-2 is arranged at the second opening 1-3. The first silencer 3-1 and the second silencer 3-2 both have a plurality of staggered silencer channels 3-3. The plurality of silencer channels 3-3 are interconnected and are all connected to the outside of the box body 1 and the silent cavity 1-1.

[0047] In this embodiment, the box body 1 has only two openings, the first opening 1-2 and the second opening 1-3, and the other positions are sealed. The first muffler 3-1 and the second muffler 3-2 are respectively arranged at the first opening 1-2 and the second opening 1-3. The muffler channel 3-3 connects the muffler cavity with the outside. Several muffler channels 3-3 are intertwined and interconnected to form a honeycomb structure. After the air enters the muffler channel 3-3, due to the intertwining of the internal channels, it will collide with the inner wall of the muffler channel 3-3 for many times, and the vibration transmitted in the air will pass through the air. The fan is arranged at the first opening 1-2 or the second opening 1-3 to blow air toward the outside of the box body 1. Since the box body 1 has only two openings, the first opening 1-2 and the second opening 1-3, when blowing air toward one opening, the hot air inside will be carried to the opening toward which the heat dissipation fan 2 is directed through the wind entering through the other opening, and the air inside will be completely replaced to complete the heat dissipation. Under the premise that the first opening 1-2 and the second opening 1-3 have the heat dissipation function, this structure can also achieve the problem of silencing during the air intake and exhaust processes.

[0048] Since the box 1 is mainly equipped with a generator and a matching power storage device, in order to ensure the service life of the internal devices, it is necessary to reduce the humidity inside the box 1. For this purpose, it is further proposed that the side walls of several silencer channels 3-3 are all filters and have storage tanks 3-4, and the storage tanks 3-4 have drying layers 3-5.

[0049] As a further technical solution, the drying layers 3-5 are silicon dioxide desiccant.

[0050] In this embodiment, since the silencer channels 3-3 are staggered, in order to increase the absorption of moisture in the air by the drying structure and avoid the dense structural characteristics of the drying structure that prevent air from passing smoothly, the side walls of the silencer channels 3-3 are set as filters, and a drying layer 3-5 is set inside the filter. After the air enters along the silencer channel 3-3, it will always contact with the drying layer 3-5 during the flow along the silencer channel 3-3 to achieve moisture absorption. In addition, the desiccant in the drying layer 3-5 can be silicon dioxide. Silicon dioxide itself has a honeycomb structure, which can absorb moisture in the air and allow air to pass through. Therefore, part of the air will flow through the drying layer 3-5 into the silencer cavity. In this way, the humidity in the air can be reduced, and the impact of air humidity on the internal equipment of the box 1 can be reduced. In addition, the setting of the side wall as a filter can also filter dust and impurities in the air on the filter, reduce the impurity content of the air flowing into the silent cavity 1-1, and further ensure the service life of the internal devices of the box 1.

[0051] After long-term use, the filter will be clogged and the internal desiccant will be saturated, so it needs to be replaced and cleaned regularly. In this regard, it is further proposed that the first muffler 3-1 and the second muffler 3-2 both include:

[0052] The mounting seat 3-6 is arranged on the box body 1 and is located at the first opening 1-2 or the second opening 1-3. The mounting seat 3-6 has a through opening connected to the first opening 1-2 or the second opening 1-3, and the side wall of the through opening has a plurality of first sliding grooves 3-7 arranged at intervals;

[0053] There are several sliding plates 3-8, which are correspondingly arranged in several first sliding grooves 3-7. The silencer channel 3-3 is located on the sliding plate 3-8, and two adjacent sliding plates 3-8 are abutted against each other.

[0054] In this embodiment, in order to facilitate replacement, the first silencer 3-1 and the second silencer 3-2 are arranged in a multi-layer structure. After a certain period of use, the silencer channel 3-3 can be taken out by pulling out the sliding plate 3-8, and the drying layer 3-5 can be cleaned and restored, and the filter screen can be cleaned to ensure the dehumidification effect during use. After cleaning and restoration, they are inserted into the mounting seat 3-6 through the first slide groove 3-7 in turn. The part where the sliding plate 3-8 is connected to the mounting seat 3-6 is provided with a rubber structure to realize the shock absorption function, further reduce the transmission of vibration, and thus reduce the propagation of noise.

[0055] Due to the use of desiccant, the desiccant will be saturated after a period of use, and the saturated desiccant needs to be restored. In this regard, it is further proposed that there are two cooling fans 2, which are respectively located at the first opening 1-2 and the second opening 1-3. The two cooling fans 2 operate alternately, and the cooling fans 2 blow air toward the outside of the box 1 after operation.

[0056] In this embodiment, when the generator set starts to run, the left side is the air inlet and the right side is the air outlet. After using it for a period of time, the drying layer 3-5 at the air inlet position on the left side will be saturated. At this time, the heat dissipation fan 2 is replaced and started to make the left side an air outlet and the right side an air inlet. At this time, due to the high temperature in the silent cavity 1-1, after changing the direction, the hot air will be discharged from the saturated side of the drying layer 3-5, so that the flow of hot air will dry the moisture in the drying layer 3-5. After drying, the internal air flow direction is switched by replacing and starting the heat dissipation fan 2. In this way, the reciprocating operation increases the utilization efficiency of the drying layer 3-5, and by switching the wind direction of the heat dissipation fan 2, the impurities attached to the filter can be preliminarily cleaned, reducing the maintenance frequency of the first muffler 3-1 and the second muffler 3-2, and increasing the service life.

[0057] As a further technical solution, it also includes:

[0058] There are a plurality of sound-absorbing cottons which are connected end to end and arranged on the inner wall of the box body 1.

[0059] In this embodiment, sound-absorbing cotton is arranged inside the box 1 to ensure the sound-absorbing effect.

[0060] As a further technical solution, the mounting seat 3-6 has a second slide groove 3-9, and further includes:

[0061] A first rotating shaft 4-1, rotatably disposed on a mounting seat 3-6;

[0062] A windshield 4-2, one end of which is arranged on the first rotating shaft 4-1. After the first rotating shaft 4-1 rotates, the windshield 4-2 is wound around the first rotating shaft 4-1, and the other end is slidably arranged in the second sliding groove 3-9;

[0063] The linear drive component 4-3 is arranged on the mounting seat 3-6, and the driving end of the linear drive component 4-3 is arranged on the other end of the wind shield 4-2, and is used to drive the wind shield 4-2 to slide along the second slide groove 3-9. After sliding, it is used to block part of the air inlet end of the silencer channel 3-3. It can be a screw structure to reduce the space occupied and ensure the stable sliding of the wind shield.

[0064] In this embodiment, due to the different operating conditions of the generator set, the size requirements for the first opening 1-2 and the second opening 1-3 are different. When the power is low, in order to reduce the frequency of use of the first silencer 3-1 and the second silencer 3-2, the opening size can be adjusted. Specifically, when the power is small, the wind shield 4-2 is driven by the linear drive member 4-3 to slide along the second slide groove 3-9, and the first shaft 4-1 rotates clockwise to release the wind shield 4-2 wrapped thereon, and partially block the silencer channel 3-3 to reduce its frequency of use. When the power is large, the linear drive member 4-3 drives the wind shield 4-2 to slide along the second slide groove 3-9 toward the first shaft 4-1. A torsion spring can be provided in the first shaft 4-1 to drive the first shaft 4-1 to rotate counterclockwise to wrap the wind shield 4-2 around the first shaft 4-1. The first shaft 4-1 can also be driven by a motor to rotate to achieve the winding function, thereby further increasing the service life of the silencer.

[0065] As a further technical solution, the windshield 4-2 includes:

[0066] There are several baffles 4-2-1, which are slidably arranged in the second slide groove 3-9 in sequence, and the driving end of the linear driving member 4-3 is arranged on the baffle 4-2-1 at the end;

[0067] There are several flexible connectors 4-2-2, which are correspondingly arranged between two adjacent baffles 4-2-1. After the baffle 4-2-1 and the flexible connector 4-2-2 are connected, a windproof sealing surface is formed. After the baffle 4-2-1 slides, the windproof sealing surface is used to shield the air inlet end of the silencer channel 3-3.

[0068] In this embodiment, in order to increase the wind-shielding effect and increase the stability of the wind-shielding structure, a baffle 4-2-1 is provided, and the stability of the structure is achieved by winding the baffle 4-2-1 through the flexible connector 4-2-2, thereby further ensuring the stability of the structure.

[0069] As a further technical solution, it also includes:

[0070] There are two air guides 5, which are arranged in the silent cavity 1-1, located at the first opening 1-2 and the second opening 1-3, and the air guides 5 include:

[0071] There are a plurality of second rotating shafts 5-1, all of which are rotatably arranged on the box body 1 and located in the silent cavity 1-1;

[0072] There are several air guide plates 5-2, which are correspondingly arranged on the second rotating shaft 5-1 and located at the first opening 1-2 or the second opening 1-3. After the second rotating shaft 5-1 rotates, the air guide plates 5-2 tilt upward or downward.

[0073] In this embodiment, since cold air is heavy and hot air is light, a structure capable of adjusting the wind direction is provided. Specifically, the air guide member 5 on the air inlet side is driven by a motor to rotate the second rotating shaft 5-1 so that the air guide plate 5-2 is tilted downward, so that the cold air flows along the bottom of the box body 1 and pushes the hot air to the top. The air guide member 5 on the air outlet side is driven by a motor to rotate the second rotating shaft 5-1 so that the air guide plate 5-2 is tilted upward, so that the hot air can smoothly enter the silencer channel 3-3 along the air guide plate 5-2 and be discharged from the box body 1 through the silencer channel 3-3. When the fan reverses direction, the air guide member 5 is also adjusted to ensure that the cold air stays in the silent cavity 1-1 for a longer time, thereby further increasing the heat dissipation effect.

[0074] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A soundproof box for a generator set, characterized in that: include: A box (1) is used to house a generator set, comprising a silent cavity (1-1), a first opening (1-2) and a second opening (1-3), wherein the first opening (1-2) and the second opening (1-3) are both in communication with the silent cavity (1-1); A heat dissipation fan (2), arranged in the silent cavity (1-1), with an air outlet facing the first opening (1-2) or the second opening (1-3); A first silencer (3-1), arranged at the first opening (1-2); A second silencer (3-2) is arranged at the second opening (1-3), the first silencer (3-1) and the second silencer (3-2) both having a plurality of staggered silencer channels (3-3), the plurality of silencer channels (3-3) being interconnected and being connected to the outside of the box (1) and the silent cavity (1-1); The first silencer (3-1) and the second silencer (3-2) both include: A mounting seat (3-6) is arranged on the box body (1) and is located at the first opening (1-2) or the second opening (1-3); the mounting seat (3-6) has a through opening communicating with the first opening (1-2) or the second opening (1-3); a side wall of the through opening has a plurality of first sliding grooves (3-7) arranged at intervals; There are a plurality of sliding plates (3-8), which are correspondingly arranged in a plurality of the first sliding grooves (3-7); the muffler channel (3-3) is located on the sliding plates (3-8); and two adjacent sliding plates (3-8) abut against each other; The mounting seat (3-6) has a second sliding groove (3-9) and further comprises: A first rotating shaft (4-1) rotatably disposed on the mounting seat (3-6); A windshield (4-2), one end of which is arranged on the first rotating shaft (4-1); after the first rotating shaft (4-1) rotates, the windshield (4-2) is wound around the first rotating shaft (4-1); and the other end of the windshield is slidably arranged in the second sliding groove (3-9); A linear drive member (4-3) is arranged on the mounting seat (3-6), and a driving end of the linear drive member (4-3) is arranged on the other end of the wind shield (4-2) and is used to drive the wind shield (4-2) to slide along the second slide groove (3-9), and after sliding, to cover a portion of the air inlet end of the muffler channel (3-3).

2. A soundproof box for a generator set according to claim 1, characterized in that: The side walls of a plurality of the muffler channels (3-3) are all filter screens, and each of them has a storage tank (3-4), and a drying layer (3-5) is provided in the storage tank (3-4).

3. A soundproof box for a generator set according to claim 2, characterized in that: The drying layer (3-5) is a silicon dioxide desiccant.

4. A soundproof box for a generator set according to claim 1, characterized in that: The heat dissipation fans (2) are provided with two fans, which are respectively located at the first opening (1-2) and the second opening (1-3). The two heat dissipation fans (2) are operated alternately. After operation, the heat dissipation fans (2) blow air toward the outside of the box body (1).

5. A soundproof box for a generator set according to claim 1, characterized in that: Also includes: There are a plurality of sound-absorbing cottons, which are connected end to end and arranged on the inner wall of the box body (1).

6. A soundproof box for a generator set according to claim 1, characterized in that: The windshield (4-2) comprises: A plurality of baffles (4-2-1) are slidably arranged in sequence in the second slide groove (3-9), and a driving end of the linear driving member (4-3) is arranged on the baffle (4-2-1) at the end; There are a plurality of flexible connectors (4-2-2) which are correspondingly arranged between two adjacent baffles (4-2-1); after the baffles (4-2-1) and the flexible connectors (4-2-2) are connected, a wind-shielding sealing surface is formed; after the baffles (4-2-1) slide, the wind-shielding sealing surface is used to shield the air inlet end of the muffler channel (3-3).

7. A soundproof box for a generator set according to claim 1, characterized in that: Also includes: The air guide members (5) have two parts and are arranged in the silent cavity (1-1), at the first opening (1-2) and the second opening (1-3). The air guide members (5) include: There are a plurality of second rotating shafts (5-1), all of which are rotatably disposed on the box body (1) and located in the silent cavity (1-1); A plurality of air guide plates (5-2) are provided on the second rotating shaft (5-1) and are located at the first opening (1-2) or the second opening (1-3); after the second rotating shaft (5-1) rotates, the air guide plates (5-2) tilt upward or tilt downward.

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