Silent box type structure of generator set

Abstract

The utility model relates to a silencing box type structure of a generator set, which comprises a first chamber, a second chamber and a third chamber which are positioned in a box body and are sequentially arranged, and further comprises a first air inlet part, a second air inlet part and an exhaust part which respectively act on the first chamber, the second chamber and the third chamber, the box type structure further comprises a sound absorption part, and the sound absorption part comprises sound absorption sets evenly distributed on the inner side of the box body and a sound attenuation set acting on the first cavity. Through the multi-chamber partition design of the first chamber, the second chamber and the third chamber, and in combination with independent airflow channels of the first air inlet part, the second air inlet part and the exhaust part, directional airflow control of air is ensured; in addition, a plurality of sound absorption bodies and sound attenuation bodies are embedded in the whole airflow path, sufficient ventilation is guaranteed, meanwhile, broadband noise is remarkably weakened through a physical isolation mechanism, an energy absorption mechanism and a multi-stage sound attenuation mechanism, and the problem that the sound insulation performance of a traditional structure is compromised due to the heat dissipation requirement is solved.

Description

Technical Field

[0001] This utility model relates to the field of generator set technology, and in particular to a generator set silent box structure. Background Technology

[0002] Diesel generator sets, as an indispensable backup or primary power source, play a vital role in modern society. They are widely used in various industrial and mining enterprises, medical institutions, data centers, communication base stations, construction sites, and residential buildings, providing these locations with a stable and reliable power supply. However, it is undeniable that diesel generator sets generate significant broadband, high-intensity noise during operation. This high-intensity noise not only causes serious pollution to the surrounding environment but also brings many negative impacts, such as affecting the physical and mental health of workers, reducing work efficiency, and disrupting the daily lives of residents.

[0003] To effectively reduce noise pollution from generator sets, traditional noise reduction methods primarily involve using simple soundproof enclosures or boxes. Specifically, adding a simple metal casing or box to the outside of the generator set is the most common and convenient overall noise reduction method. Its noise reduction principle mainly relies on two mechanisms: sound insulation and sound absorption. Sound insulation blocks noise transmission through physical barriers, while sound absorption uses sound-absorbing materials to absorb noise energy, thereby reducing noise reflection and transmission. However, although this method can reduce noise to some extent, existing soundproof enclosure structures generally have many limitations. For example, in terms of structural design optimization, it is difficult to comprehensively consider both noise control and equipment heat dissipation; in terms of maintenance convenience, the complex structure increases maintenance difficulty and cost. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a silent box structure for generator sets to solve one or more problems in the prior art.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A generator set silent box structure includes a first chamber, a second chamber, and a third chamber arranged sequentially inside the box. The box structure also includes a first air intake, a second air intake, and an exhaust, which act on the first chamber, the second chamber, and the third chamber, respectively. The box structure further includes a sound-absorbing part, which includes a sound-absorbing group evenly distributed on the inner side of the box and a sound-absorbing group acting on the first chamber.

[0007] Furthermore, a first baffle is provided between the first chamber and the second chamber, and a ventilation component is also connected to the first baffle; a second baffle is provided between the second chamber and the third chamber.

[0008] Furthermore, the first air intake includes a first rain cover disposed on the top of the housing and a first air duct located inside the housing, the first air duct opening to the outside of the housing; a first sound absorber is provided on the annular outer surface of the first air duct, a first silencer is provided on the annular inner surface of the first air duct, and a first louver is also provided on one side of the first air duct.

[0009] Furthermore, a water collection tray connected to the box body is provided in the first chamber, and the first air duct is disposed on the water collection tray.

[0010] Furthermore, an engine unit is also provided in the first chamber. The silencing unit includes a second silencing body disposed on the top of the housing and a third silencing body located in the first chamber. The third silencing body is connected to the second silencing body and one end is also connected to the engine unit.

[0011] Furthermore, the second air intake includes a second rain cover disposed on the top of the housing and a second air duct and a third air duct located inside the housing. The second air duct opens to the outside of the housing, and the third air duct is symmetrically disposed on both sides of the housing and is connected to the second air duct.

[0012] Furthermore, a fourth silencer is provided on the inner surface of the second air duct, and a second louver is provided on one side surface of the third air duct.

[0013] Furthermore, the exhaust section includes a third rain cover disposed on the top of the enclosure, and the lower part of the third rain cover is provided with an exhaust hole penetrating the inside and outside of the enclosure. A support member connected to the enclosure is also disposed in the third chamber, and a second sound absorber connected to the enclosure is disposed on the upper part of the support member.

[0014] Furthermore, a third sound absorber is also provided in the third chamber, with one end of the third sound absorber connected to the bottom of the box and the other end connected to the support member.

[0015] Furthermore, a water tank is also provided in the second chamber, a portion of which is connected to the second baffle and simultaneously acts on the third chamber; a dummy load is also provided in the third chamber.

[0016] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0017] This novel design employs a multi-chamber partitioning design with a first chamber, a second chamber, and a third chamber, combined with independent airflow channels for the first air intake, the second air intake, and the exhaust, ensuring directional airflow control. Furthermore, by embedding multiple sound absorbers and silencers throughout the airflow path, it significantly reduces broadband noise through a triple mechanism of physical isolation, energy absorption, and multi-stage noise reduction, while ensuring sufficient ventilation. This solves the problem of compromised sound insulation performance caused by heat dissipation requirements in traditional structures. Attached Figure Description

[0018] Figure 1 A side view of a generator set silent box structure according to an embodiment of the present invention is shown.

[0019] Figure 2 The diagram shows a cross-sectional view of the structure of a generator set soundproof box according to an embodiment of the present invention, in the AA direction.

[0020] Figure 3 The diagram shows a cross-sectional view of the structure of a generator set soundproof box according to an embodiment of the present invention, in the BB direction.

[0021] Figure 4 The diagram shows a cross-sectional view of the structure of a generator set silent box according to an embodiment of the present invention, in the CC direction.

[0022] Figure 5 This diagram shows a cross-sectional view of the structure of a generator set silent box type structure according to an embodiment of the present invention, in the DD direction.

[0023] Figure 6 A top view of a generator set silent box structure according to an embodiment of the present invention is shown.

[0024] Figure 7 The diagram shows a cross-sectional view of the structure of a generator set silent box structure according to an embodiment of the present invention in the EE direction.

[0025] Figure 8 A perspective view of a generator set silent box structure according to an embodiment of the present invention is shown.

[0026] The attached diagram shows the following labels: 1. Housing; 2. First chamber; 3. Second chamber; 4. Third chamber; 5. First air intake; 51. First rain cover; 52. First air duct; 521. First sound absorber; 522. First silencer; 523. First louver; 53. First grille; 6. Second air intake; 61. Second rain cover; 62. Second air duct; 621. Fourth silencer; 63. Third air duct; 631. Second louver; 64. Second grille. 7. Exhaust section; 71. Third rain cover; 72. Exhaust port; 73. Second sound absorber; 74. Third grille; 8. Sound absorption section; 81. Sound absorption group; 82. Silencing group; 821. Second silencer; 822. Third silencer; 9. First baffle; 10. Ventilation component; 11. Second baffle; 12. Drain outlet; 13. Water collection tray; 14. Unit; 15. Support component; 16. Third sound absorber; 17. Water tank; 18. Dummy load; 19. Electrical control cabinet. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description of a generator set soundproof enclosure structure, in conjunction with the accompanying drawings and specific embodiments, is provided. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, used only to facilitate and clearly illustrate the purpose of the embodiments of this utility model. Please refer to the accompanying drawings to make the objectives, features, and advantages of this utility model more apparent and understandable. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only for illustrative purposes to aid those skilled in the art and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effects and objectives achieved by this utility model, should still fall within the scope of the technical content disclosed in this utility model.

[0028] Please see Figures 1 to 8The generator set shown in this embodiment adopts a silent box-type structure design. This box-type structure is mainly composed of an integral box 1, and three independent chambers are arranged sequentially inside the box 1, namely the first chamber 2, the second chamber 3, and the third chamber 4. In order to achieve effective air circulation and noise control, the box-type structure is also designed with a first air intake 5, a second air intake 6, and an exhaust 7 that act on the first chamber 2, the second chamber 3, and the third chamber 4, respectively. In addition, the box-type structure also includes a sound-absorbing part 8, which consists of a sound-absorbing group 81 evenly distributed on the inner side of the box 1 and a sound-absorbing group 82 acting on the first chamber 2, so as to minimize noise transmission. Preferably, the sound-absorbing group 81 adopts an internal structure design combining rock wool and perforated plate. This structure is carefully arranged on the inner wall of the box 1, covering not only all sides of the box 1, but also extending into the internal space of the door of the box 1. This comprehensive distribution method ensures maximum sound absorption and effectively improves overall sound insulation performance.

[0029] Furthermore, to better separate and regulate the airflow and sound waves within each chamber, a first baffle 9 is provided between the first chamber 2 and the second chamber 3, and a ventilation component 10 is connected to the first baffle 9 to transfer heat from the first chamber 2 to the second chamber 3, ensuring smooth airflow. Preferably, the ventilation component 10 is also equipped with sound-absorbing material for further noise reduction. Similarly, a second baffle 11 is also provided between the second chamber 3 and the third chamber 4.

[0030] Furthermore, the first air intake 5 includes a first rain cover 51 disposed on the top of the housing 1 and a first air duct 52 located inside the housing 1. The first air duct 52 directly leads to the outside of the housing 1, and a first grille 53 is disposed on the housing 1. The first grille 53 effectively prevents excessively large foreign objects from falling into the first air duct 52, while the first rain cover 51 is used to prevent rainwater from entering the first air duct 52. A first sound absorber 521 is disposed on the annular outer surface of the first air duct 52, and a first sound-absorbing body 522 is disposed on the annular inner surface of the first air duct 52. Preferably, the first sound absorber 521 is an internal structure design of rock wool and perforated plate, while the first sound-absorbing body 522 plays a noise reduction role for the air entering the first air duct 52 and is detachable. In addition, a first louvered opening 523 is provided on one side of the first air duct 52. The air entering the first air duct 52 enters the first chamber 2 through the first louvered opening 523. The air intake volume can also be adjusted by adjusting the position of the louvers of the first louvered opening 523.

[0031] Furthermore, a water collection tray 13 connected to the housing 1 is designed within the first chamber 2. The first air duct 52 is disposed on the water collection tray 13 to prevent rainwater from accidentally entering the first chamber 2. Simultaneously, a unit 14 is installed within the first chamber 2. The silencing assembly 82 includes a second silencing element 821 disposed on the top of the housing 1 and a third silencing element 822 located within the first chamber 2. The third silencing element 822 is not only connected to the second silencing element 821, but one end of the third silencing element 822 is also directly connected to the unit 14 to effectively absorb and reduce the noise generated by the unit 14 during operation, while also venting smoke from the unit 14. An electrical control cabinet 19 is also disposed within the first chamber 2, which is used to control the operation of various components within the housing structure. A drain outlet 12 is also provided in the first chamber 2. By setting the slope of the bottom surface of the first chamber 2, the water that accidentally enters the first chamber 2 is promptly collected and discharged to the drain outlet 12.

[0032] Furthermore, the second air intake 6 includes a second rain cover 61 disposed on the top of the housing 1 and a second air duct 62 and a third air duct 63 located inside the housing 1. The second rain cover 61 is used to prevent rainwater from entering the second chamber 3. The second air duct 62 leads directly to the outside of the housing 1, and a second grille 64 is provided on the housing 1 to effectively prevent excessively large foreign objects from falling into the second air duct 62. The third air duct 63 is symmetrically disposed on both sides of the housing 1 and is connected to the second air duct 62. Air enters through the second air duct 62 and is diverted by the third air ducts 63 on both sides. A fourth silencer 621 is provided on the annular inner surface of the second air duct 62 to reduce noise of the air entering the second air duct 62. A second louvered opening 631 is also provided on one side surface of the third air duct 63. The air entering the third air duct 63 enters the second chamber 3 through the second louvered opening 631. In addition, the air intake can be adjusted and noise can be further reduced by adjusting the louvers of the second louvered opening 631. A water tank 17 is also provided in the second chamber 3 for storing and regulating cooling water. The water tank 17 is also equipped with a fan for effective heat dissipation. A part of the water tank 17 is also connected to the second baffle 11 and acts on the third chamber 4 at the same time. That is, under the action of the water tank 17, the air will be sent from the second chamber 3 to the third chamber 4 through the second baffle 11.

[0033] Furthermore, the exhaust section 7 includes a third rain cover 71 disposed on the top of the housing 1. A vent 72 penetrating the inside and outside of the housing 1 is also disposed at the lower part of the third rain cover 71. A third grille 74 is disposed at the vent 72 to ensure smooth exhaust of hot air while preventing excessively large foreign objects from falling into the third chamber 4. The third rain cover 71 prevents rainwater from entering the third chamber 4 through the vent 72. A support member 15 connected to the housing 1 is also disposed within the third chamber 4. Multiple second sound absorbers 73 connected to the housing 1 are disposed on the upper part of the support member 15. Before being discharged through the vent 72, the hot air entering the third chamber 4 is further absorbed by the second sound absorbers 73. In addition, a third sound absorber 16 is provided in the third chamber 4. One end of the third sound absorber 16 is connected to the bottom of the box 1, and the other end of the third sound absorber 16 is connected to the support member 15, so as to effectively support the distributed second sound absorbers 73 through the support member 15.

[0034] Furthermore, a dummy load 18 is installed in the third chamber 4 to simulate the generator set's operating state under actual working conditions when there is no load, thereby preventing carbon buildup in the generator set 14. In addition, the dummy load 18 can effectively detect the generator set's performance under different operating conditions, ensuring the stability and reliability of the equipment. By simulating a real load environment, potential problems can be identified and adjusted in a timely manner, thus extending the equipment's service life. Simultaneously, this design can reduce energy waste caused by frequent start-stop cycles and improve overall operating efficiency.

[0035] The following describes the specific working process of a generator set silent box structure according to this embodiment:

[0036] First, air is supplied to the first chamber 2 and the second chamber 3 via the first air duct 52 and the second air duct 62, respectively. Specifically, air is delivered to the first chamber 2 via the first louver 523 through the first air duct 52, and then diverted by the second air duct 62 to the third air duct 63 before being delivered to the second chamber 3 via the second louver 631. Next, due to the heat dissipation effect of the water tank 17, the air in the first chamber 2 flows into the second chamber 3 through the ventilation component 10, and after converging with the air in the second chamber 3, it is discharged through the exhaust port 72 in the third chamber 4, completing the heat exchange within the box-type structure. During the entire heat exchange process, based on the action of the first sound absorber 521, the second sound absorber 73, the third sound absorber 16, the first silencer 522, the second silencer 821, the fourth silencer 621, and the sound-absorbing part 8, the noise of the box-type structure in this embodiment is reduced to a certain extent, achieving a relatively quiet standard.

[0037] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A silent enclosure structure for a generator set, characterized in that: The box-type structure includes a first chamber, a second chamber, and a third chamber located inside the box and arranged sequentially. The box-type structure also includes a first air inlet, a second air inlet, and an exhaust outlet that act on the first chamber, the second chamber, and the third chamber, respectively. The box-type structure also includes a sound-absorbing part, which includes a sound-absorbing group evenly distributed on the inside of the box and a sound-absorbing group that acts on the first chamber.

2. The generator set silent box structure as described in claim 1, characterized in that: A first baffle is provided between the first chamber and the second chamber, and a ventilation component is also connected to the first baffle; a second baffle is provided between the second chamber and the third chamber.

3. The generator set silent enclosure structure as described in claim 1, characterized in that: The first air intake includes a first rain cover disposed on the top of the housing and a first air duct located inside the housing, the first air duct being open to the outside of the housing; a first sound absorber is provided on the annular outer surface of the first air duct, a first silencer is provided on the annular inner surface of the first air duct, and a first louver is also provided on one side of the first air duct.

4. The generator set silent enclosure structure as described in claim 3, characterized in that: A water collection tray connected to the box body is also provided in the first chamber, and the first air duct is disposed on the water collection tray.

5. The generator set silent box structure as described in claim 1, characterized in that: An anesthetic unit is also provided in the first chamber. The anesthetic unit includes a second anesthetic body disposed on the top of the housing and a third anesthetic body located in the first chamber. The third anesthetic body is connected to the second anesthetic body and one end is also connected to the anesthetic unit.

6. The generator set silent box structure as described in claim 1, characterized in that: The second air intake includes a second rain cover disposed on the top of the housing and a second air duct and a third air duct located inside the housing. The second air duct opens to the outside of the housing, and the third air duct is symmetrically disposed on both sides of the housing and is connected to the second air duct.

7. The generator set silent enclosure structure as described in claim 6, characterized in that: The second air duct has a fourth silencer on its annular inner surface, and a second louver is provided on one side surface of the third air duct.

8. The generator set silent box structure as described in claim 1, characterized in that: The exhaust section includes a third rain cover disposed on the top of the enclosure, and the lower part of the third rain cover is provided with an exhaust hole penetrating the inside and outside of the enclosure. A support member connected to the enclosure is also disposed in the third chamber, and a second sound absorber connected to the enclosure is disposed on the upper part of the support member.

9. The generator set silent box structure as described in claim 8, characterized in that: A third sound absorber is also provided in the third chamber, with one end of the third sound absorber connected to the bottom of the box and the other end connected to the support member.

10. The generator set silent box structure as described in claim 2, characterized in that: A water tank is also provided in the second chamber, and a portion of the water tank is connected to the second baffle and simultaneously acts on the third chamber; a dummy load is also provided in the third chamber.

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