Multifunctional generator set mute box
By adopting a three-layer structure enclosure and a honeycomb-shaped sound-absorbing groove design, the problem of noise pollution during generator set heat dissipation is solved, achieving efficient quiet operation and heat dissipation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-18
- Publication Date
- 2026-03-27
AI Technical Summary
Existing generator sets easily transmit noise into the surrounding environment when dissipating heat, causing noise pollution, and there is a lack of effective noise reduction solutions.
The enclosure features a three-layer structure, consisting of an outer galvanized steel sheet, a middle layer of sound-absorbing rock wool, and an inner aluminum sheet. Combined with honeycomb-shaped sound-absorbing grooves and sound-absorbing cavities, and equipped with a cooling fan and sound-absorbing panels, the enclosure utilizes sound-absorbing materials and structural design to reduce noise and improve heat dissipation.
While ensuring heat dissipation, it significantly reduces noise pollution, improves quietness and heat dissipation efficiency, and meets user needs.
Smart Images

Figure CN224049302U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of generator sets, and more particularly relates to a multifunctional generator set silencing box. BACKGROUND
[0002] The diesel engine generator set is reduced in size and rapidly increases in temperature to reach the ignition point of diesel oil. The diesel oil is ignited, and the mixed gas is violently combusted to rapidly expand in volume and push the piston downward. Each cylinder works in turn in a certain order, and the thrust acting on the piston is changed into the force for driving the crankshaft to rotate through the connecting rod, so that the crankshaft is rotated. According to the principle of electromagnetic induction, the generator outputs an induced electromotive force, and a current can be generated through a closed load circuit. In order to protect the generator set, the generator set is often installed in a machine box.
[0003] At present, the Chinese patent with the publication number CN214035872U discloses a machine box for generator set, which is used to solve the technical problems of heat dissipation and pest control of the machine box. The machine box comprises an openable box body, a mounting cover, a motor, a rotating shaft, multiple fan blades, a hollow pesticide box for pest control, and pest control pesticides arranged in the pesticide box. A wire hole is formed in the top of the box body, and a through hole is formed in the top of the box body. The mounting cover is arranged outside the box body, and the mounting cover is detachably connected with the top of the box body through a first connecting piece. The through hole is covered in the mounting cover. The motor is fixed in the mounting cover, and the rotating shaft is arranged at the output end of the motor and penetrates the through hole into the box body.
[0004] The machine box for the generator set similar to the above in the prior art has multiple heat dissipation holes formed in the outer wall of the box body for heat dissipation. However, after the heat dissipation problem is solved, the noise generated by the operation of the generator set is easily transmitted to the surrounding environment through the heat dissipation holes to cause noise pollution. Therefore, a multifunctional generator set silencing box is needed to change this situation. Content of the utility model
[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a multifunctional generator set silencing box, which has the advantages of ensuring heat dissipation and avoiding noise pollution to the surrounding environment as much as possible, and meets the use requirements of people.
[0006] To achieve the above object, the utility model provides the following technical scheme: A multifunctional generator set mute box, including the oil tank, the top of oil tank is provided with the box, the bottom inner wall of box is provided with the generator set, the surface of box is equipped with the access hole, the inner wall of access hole is provided with the access door, one side of box is equipped with the air inlet, the other side of box is equipped with the air outlet, the inner wall of air inlet and air outlet is all provided with the cooling fan, the inner wall of air inlet and air outlet is all provided with the sound attenuation board, the inside of sound attenuation board is equipped with a plurality of sound attenuation grooves, sound attenuation groove is honeycomb type structure, one side of sound attenuation groove is equipped with the air inlet, the other side of sound attenuation groove is equipped with a plurality of air outlets, the top inner wall and bottom inner wall of sound attenuation groove are equipped with a plurality of sound attenuation cavities, the section of sound attenuation cavity is hexagonal structure.
[0007] Through adopt above technical scheme, when the generator set works, the inside of box will produce heat, at this moment, open cooling fan, drive the flowability of box and outside air, can take out the heat in the box, simultaneously, the generator set works will produce noise, when the noise enters into the sound attenuation groove, because sound attenuation groove is honeycomb type structure, the noise is continuously reflected in sound attenuation groove and sound attenuation cavity and reduces energy, thereby guaranteeing the cooling while avoiding the noise pollution to the surrounding environment as far as possible, satisfy people's use demand.
[0008] In a preferred embodiment: the box is a three-layer structure, including an outer layer, an intermediate layer and an inner layer, the outer layer is made of galvanized steel plate material, the intermediate layer is made of sound-absorbing rock wool material, and the inner layer is made of aluminum plate material.
[0009] Through the above technical scheme, the box adopts a three-layer structure, which can increase the thickness of the box, avoid noise passing through the box, and the sound-absorbing rock wool can absorb the reverberation sound in the box, thereby improving the noise reduction effect and the quietness of the box.
[0010] In a preferred embodiment: the inner wall of the inner layer is provided with a plurality of noise reduction holes, and the cross section of the noise reduction hole is V-shaped structure.
[0011] Through the above technical scheme, the noise reduction hole can absorb the noise generated by the generator set, thereby reducing the noise pollution.
[0012] In a preferred embodiment: the corner of the box is provided with a wind guide block, and the surface of the wind guide block is arc-shaped structure.
[0013] Through the above technical scheme, the wind guide block can have a good flow guiding effect, improve the flowability of the air in the box, and increase the cooling effect.
[0014] In a preferred embodiment: the surface of the sound-absorbing plate is provided with a plurality of air deflectors, and the plurality of air deflectors are arranged alternately with the plurality of air inlets.
[0015] By adopting the above technical scheme, the air deflectors can guide the airflow into the air inlets, thereby improving the airflow rate and increasing the heat dissipation effect.
[0016] In a preferred embodiment: the sound-absorbing groove is provided with a plurality of air deflecting protrusions near the inner wall of the air outlet, and the plurality of air deflecting protrusions are arranged alternately with the plurality of air outlets.
[0017] By adopting the above technical scheme, the air deflecting protrusions can guide the airflow in the sound-absorbing groove into the air outlets, thereby improving the airflow rate.
[0018] In a preferred embodiment: the air inlet and the air outlet are each provided with a dust filter screen at the opening, and the dust filter screen is made of stainless steel.
[0019] By adopting the above technical scheme, the dust filter screen can isolate the dust in the external environment during heat dissipation, thereby avoiding the situation that the dust blocks the air holes.
[0020] In a preferred embodiment: a sealing strip is arranged at the connection between the access hole and the access door, and the sealing strip is made of rubber.
[0021] By adopting the above technical scheme, the sealing strip can seal the gap between the access hole and the access door, thereby avoiding the situation that the noise is transmitted to the outside of the box through the gap.
[0022] Compared with the prior art, the present application has the following beneficial effects:
[0023] 1. When the generator set is working, heat is generated in the box, at this time, the heat dissipation fan is started to drive the flowability of the air in the box and the external air, so as to take out the heat in the box, and the noise generated by the working of the generator set enters the sound-absorbing groove, and the noise is reflected in the sound-absorbing groove and the sound-absorbing cavity to reduce the energy, thereby avoiding the noise pollution to the surrounding environment as much as possible while ensuring heat dissipation, meeting the use requirement of people.
[0024] 2. The box adopts a three-layer structure, which can increase the thickness of the box, avoid the noise passing through the box, and the sound-absorbing rock wool can absorb the reverberation sound in the box, thereby achieving good noise reduction effect and improving the quietness of the box; the noise reduction hole can absorb the noise generated by the generator set, thereby reducing the noise pollution.
[0025] 3、The air deflector can guide the air flow into the air inlet, improve the air flow rate, and increase the heat dissipation effect; the air deflection protrusion can conveniently guide the air flow in the sound attenuation groove into the air outlet, improve the air flow rate; and the dust filter screen can conveniently isolate external dust during heat dissipation, avoiding the situation of dust blocking the air hole. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;
[0027] Figure 2 is a schematic diagram of the sectional structure of the utility model;
[0028] Figure 3 is Figure 2 the enlarged structure schematic diagram of A in the middle.
[0029] In the drawings, the component list represented by each reference numeral is as follows:
[0030] 1, oil tank; 2, tank body; 3, generator set; 4, access door; 5, air inlet; 6, air outlet; 7, heat dissipation fan; 8, sound attenuation plate; 9, sound attenuation groove; 10, air inlet; 11, air outlet; 12, sound attenuation cavity; 13, outer layer; 14, middle layer; 15, inner layer; 16, noise reduction hole; 17, air deflection block; 18, air deflector; 19, air deflection protrusion; 20, dust filter screen. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in conjunction with the drawings of the embodiments of the present disclosure.
[0032] In the description of the present disclosure, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present disclosure is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present disclosure and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present disclosure.
[0033] A multifunctional generator set mute box, like Figures 1-3As shown, including the oil tank 1, the top of the tank 1 is provided with tank 2, the inner wall of the bottom of the tank 2 is provided with generator set 3, the surface of the tank 2 is provided with access hole, the inner wall of the access hole is provided with access door 4, one side of the tank 2 is provided with air inlet 5, the other side of the tank 2 is provided with air outlet 6, the inner wall of the air inlet 5 and the air outlet 6 is provided with cooling fan 7, the inner wall of the air inlet 5 and the air outlet 6 is provided with sound absorbing board 8, the inside of the sound absorbing board 8 is provided with a plurality of sound absorbing grooves 9, the sound absorbing grooves 9 are in honeycomb structure, one side of the sound absorbing groove 9 is provided with air inlet hole 10, the other side of the sound absorbing groove 9 is provided with a plurality of air outlet holes 11, the top and bottom inner walls of the sound absorbing groove 9 are provided with a plurality of sound absorbing cavities 12, the cross section of the sound absorbing cavity 12 is hexagonal structure.
[0034] In this embodiment, the tank 2 is a three-layer structure, including outer layer 13, middle layer 14 and inner layer 15, the outer layer 13 is made of galvanized steel plate, the middle layer 14 is made of sound absorbing rock wool, and the inner layer 15 is made of aluminum plate. The tank 2 adopts three-layer structure, which can increase the thickness of the tank 2, avoid noise passing through the tank 2, and the sound absorbing rock wool can absorb the reverberation sound in the tank 2, which can play a good noise reduction effect and improve the quietness of the tank 2; the inner wall of the inner layer 15 is provided with a plurality of noise reduction holes 16, the cross section of the noise reduction hole 16 is V-shaped structure, the noise generated by the generator set 3 can be absorbed through the noise reduction hole 16, which reduces the pollution of noise.
[0035] Further, the corners of the tank 2 are provided with wind guide block 17, the surface of the wind guide block 17 is arc structure, the wind guide block 17 can play a good flow guiding effect, which improves the flowability of the air in the tank 2; the surface of the sound absorbing board 8 is provided with a plurality of air guide plates 18, the plurality of air guide plates 18 are staggered with the plurality of air inlet holes 10; the air flow can be guided into the air inlet hole 10 through the air guide plate 18, which improves the flow rate of the air and increases the heat dissipation effect; the inner wall of the sound absorbing groove 9 close to the air outlet hole 11 is provided with a plurality of air guide protrusions 19, that is, the air flow in the sound absorbing groove 9 can be conveniently guided into the air outlet hole 11 through the air guide protrusion 19, which improves the flow rate of the air flow.
[0036] On the basis of the above embodiment, the opening of the air inlet 5 and the air outlet 6 is provided with dust filter screen 20, the dust filter screen 20 is made of stainless steel, which can conveniently isolate the dust in the air during heat dissipation, avoiding the situation that the dust blocks the air hole.
[0037] It is worth mentioning that the connection between the access hole and the access door 4 is provided with sealing strip, the sealing strip is made of rubber material, which can seal the gap between the access hole and the access door 4, avoiding the situation that the noise is transmitted to the outside of the tank 2 along the gap.
[0038] The utility model discloses a working process and beneficial effect as follows: when generator unit 3 works, the inside of box 2 can produce heat, opens the heat dissipation fan 7 at this moment, drives the flowability of box 2 and outside air, can take out the heat in box 2, and simultaneously, generator unit 3 works and can produce noise, when the noise enters to the sound attenuation groove 9, because the sound attenuation groove 9 is honeycomb type structure, the noise is continuously reflected in the sound attenuation groove 9 and sound attenuation chamber 12 and reduces the energy, and then guarantees the heat dissipation while avoiding the noise to the surrounding environment's pollution as far as possible, satisfies people's use demand.
[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model are implemented according to conventional means in the field without special description and limitation.
Claims
1. A multi-functional generator set silent enclosure, comprising an oil tank (1), a housing (2) on the top of the oil tank (1), a generator set (3) on the bottom inner wall of the housing (2), an inspection port on the surface of the housing (2), an inspection door (4) on the inner wall of the inspection port, an air inlet (5) on one side of the housing (2), an air outlet (6) on the other side of the housing (2), and a cooling fan (7) on the inner wall of both the air inlet (5) and the air outlet (6), characterized in that: The inner wall of the air inlet (5) and the air outlet (6) is provided with a sound absorbing plate (8), a plurality of sound absorbing grooves (9) are formed in the sound absorbing plate (8), the sound absorbing grooves (9) are in a honeycomb structure, a sound inlet hole (10) is formed in one side of the sound absorbing groove (9), a plurality of sound outlet holes (11) are formed in the other side of the sound absorbing groove (9), a plurality of sound absorbing cavities (12) are formed in the top inner wall and the bottom inner wall of the sound absorbing groove (9), and the cross section of the sound absorbing cavity (12) is in a hexagonal structure.
2. The multi-functional genset silencer according to claim 1, characterized in that: The box (2) is a three-layer structure, including an outer layer (13), an intermediate layer (14) and an inner layer (15), the outer layer (13) is made of galvanized steel plate material, the intermediate layer (14) is made of sound-absorbing rock wool material, and the inner layer (15) is made of aluminum plate material.
3. The multi-functional genset silencer according to claim 2, wherein: The inner wall of the inner layer (15) is provided with a plurality of noise reduction holes (16), and the cross section of the noise reduction hole (16) is in a V-shaped structure.
4. The multi-functional genset silencer according to claim 1, wherein: The corner of the box (2) is provided with a wind guide block (17), and the surface of the wind guide block (17) is in an arc surface structure.
5. The multi-functional genset silencer according to claim 1, wherein: The surface of the sound absorbing plate (8) is provided with a plurality of air guide plates (18), and a plurality of air guide plates (18) and a plurality of sound inlet holes (10) are arranged alternately.
6. The multi-functional genset silencer according to claim 5, wherein: The inner wall of the sound absorbing groove (9) close to the sound outlet hole (11) is provided with a plurality of air guide protrusions (19), and a plurality of air guide protrusions (19) and a plurality of sound outlet holes (11) are arranged alternately.
7. The multi-functional genset silencer according to claim 1, wherein: The opening of the air inlet (5) and the air outlet (6) is provided with a dust filter screen (20), and the dust filter screen (20) is made of stainless steel material.
8. The multi-functional genset silencer according to any one of claims 1-7, wherein: The connecting part of the access hole and the access door (4) is provided with a sealing strip, and the sealing strip is made of rubber material.
Citation Information
Patent Citations
Case for generator set
CN214035872U