Generator structure, engine assembly and vehicle

Abstract

The utility model discloses a generator structure, an engine assembly and a vehicle, and relates to the technical field of vehicle manufacturing. The air duct shell is connected to one end of the generator, the air duct shell and the generator jointly define an air duct cavity, the air duct cavity comprises an end air duct and a lateral air duct which are communicated, the end air duct is located at the end of the generator, and the lateral air duct is located on the outer side of the generator; and an air inlet which is opened towards the other end of the generator is formed in the lateral air duct. According to the generator structure provided by the utility model, heat damage can be effectively avoided, the heat dissipation effect of the generator is improved, and the normal operation of the generator is ensured.

Description

Technical Field

[0001] This utility model relates to the field of vehicle manufacturing technology, and in particular to a generator structure, an engine assembly having the generator structure, and a vehicle having the engine assembly. Background Technology

[0002] The generator is a core component of a vehicle. The vehicle's ignition system, electronic control system, lighting system and other major systems all rely on the contribution of the generator. In particular, the development of intelligent start-stop vehicle technology, new energy vehicle technology and electric vehicle technology has made the dependence on generators more and more obvious; the performance of the generator directly determines the performance of the whole vehicle.

[0003] In related technologies, when the generator is located in the area away from the hot end of the engine, the rear end of the generator is close to the exhaust pipe. The generator will draw heat from the exhaust pipe into the generator, which will greatly reduce the heat dissipation effect of the generator and make it impossible to cool down. This will cause electronic components such as the generator regulator chip below the rear end of the generator to malfunction. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a generator structure that effectively avoids heat damage, improves the generator's heat dissipation, and ensures the normal operation of the generator.

[0005] According to an embodiment of the present invention, a generator structure includes: a generator; a duct housing, the duct housing being connected to one end of the generator, the duct housing and the generator jointly defining a duct cavity, the duct cavity including a communicating end duct and a side duct, the end duct being located at the end of the generator, the side duct being located outside the generator, and the side duct forming an air inlet opening toward the other end of the generator.

[0006] According to the generator structure of this utility model embodiment, by setting a duct shell connected to one end of the generator, the generator can draw air forward or to the side, avoiding drawing air backward, thereby effectively avoiding heat damage, improving the heat dissipation effect of the generator, and ensuring the normal operation of the generator.

[0007] According to some embodiments of the present invention, the generator structure includes an end main shell and at least one side air inlet shell. One end of the side air inlet shell is connected to the end main shell. The end main shell is connected to the end of the generator and together defines the end air duct. The side air inlet shell is connected to the side wall of the generator and together defines the side air duct.

[0008] According to some embodiments of the present invention, the generator structure includes multiple lateral air inlet shells, which are spaced apart in the circumferential direction of the end main shell, and each lateral air inlet shell is provided with an air inlet.

[0009] According to some embodiments of the present invention, in the generator structure, the end body shell is detachably connected to the generator via a connector.

[0010] According to some embodiments of the present invention, the generator structure further includes a heat insulation component located at the end of the generator and disposed on the side of the air duct shell opposite to the generator.

[0011] According to some embodiments of the present invention, the heat insulation component includes a heat insulation sticker, which is adhered to the side of the air duct shell opposite to the generator; and / or, the heat insulation component includes a heat insulation cover, which is disposed on the side of the air duct shell opposite to the generator.

[0012] According to some embodiments of the present invention, when the heat insulation component includes a heat insulation patch and a heat insulation cover, the heat insulation patch is located between the side of the air duct shell and the heat insulation cover.

[0013] According to some embodiments of the generator structure of the present invention, the heat insulation patch is composed of aluminum and EPE material; and / or, the heat insulation cover is composed of aluminum foil.

[0014] This utility model also proposes an engine assembly.

[0015] An engine assembly according to an embodiment of the present utility model includes an engine and a generator structure as described in any of the above embodiments. The engine includes two sets of cylinder structures, which are distributed in a V-shape and define a V-shaped space. The generator structure is installed in the V-shaped space, and the air inlet is configured to open forward.

[0016] This utility model also proposes a vehicle.

[0017] The vehicle according to an embodiment of the present invention includes the engine assembly described in the above embodiments.

[0018] The vehicle, the engine assembly, and the generator structure described above all have the same advantages over the prior art, and will not be repeated here.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic diagram of the generator structure according to an embodiment of the present utility model. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the generator structure according to an embodiment of the present utility model. Figure 2 ;

[0023] Figure 3 This is a structural schematic diagram of the air duct shell according to an embodiment of the present utility model;

[0024] Figure 4 This is a structural schematic diagram of the heat insulation patch according to an embodiment of the present utility model;

[0025] Figure 5 This is a structural schematic diagram of the heat insulation cover according to an embodiment of the present utility model.

[0026] Figure label:

[0027] Generator structure 100,

[0028] Generator 1, air duct shell 2, end main body shell 21, side air inlet shell 22, side air duct 32, air inlet 321, connector 4, heat insulation sticker 51, heat insulation cover 52, first clearance hole 61, second clearance hole 62, first connecting hole 63, second connecting hole 64. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] Unless otherwise specified, the front-back direction in this application refers to the longitudinal direction of the vehicle, i.e., the X direction; the left-right direction refers to the lateral direction of the vehicle, i.e., the Y direction; and the up-down direction refers to the vertical direction of the vehicle, i.e., the Z direction.

[0033] The following is for reference. Figures 1-5 The generator structure 100 according to an embodiment of the present invention can effectively avoid heat damage, improve the heat dissipation effect of the generator 1, and ensure the normal operation of the generator 1.

[0034] like Figures 1-5 As shown, a generator structure 100 according to an embodiment of the present invention includes: a generator 1 and a duct housing 2.

[0035] The generator 1 is the core component of the vehicle's electrical system. It is mainly used to supply power to the vehicle's electrical equipment and charge the battery when the engine is running. When the generator 1 is working normally, the heat of the generator 1 will accumulate and cause the internal temperature of the generator 1 to rise, which will endanger the normal use of the generator 1 itself (electronic components are easily affected). Therefore, the generator 1 generally adopts air cooling. The air-cooled generator 1 has higher performance, simpler structure and lower cost.

[0036] The air duct shell 2 is the external structure of the air-cooled heat dissipation system. It is mainly used to guide and optimize airflow, draw cold air into the generator 1, and let it flow through the heat-generating structural components to cool down the internal structure of the generator 1 and remove the heat generated by the generator 1, thereby achieving heat dissipation of the generator 1.

[0037] Furthermore, the air duct shell 2 is connected to one end of the generator 1. The air duct shell 2 and the generator 1 together define the air duct cavity. The air duct cavity includes a connected end air duct and a side air duct 32. The end air duct is located at the end of the generator 1, and the side air duct 32 is located outside the generator 1. The side air duct 32 forms an air inlet 321 that opens toward the other end of the generator 1.

[0038] Specifically, such as Figure 1 and Figure 2 As shown, the duct shell 2 can be connected to the rear end of the generator 1. The duct shell 2 and the generator 1 together define a duct cavity. The interior of the duct cavity is hollow to allow for smooth airflow, flowing from the outside into the generator 1. The duct cavity includes a connected end duct and a side duct 32, meaning that the airflow in the side duct 32 and the airflow in the end duct can flow to each other. The end duct is located at the rear end of the generator 1, and the side duct 32 is located on the outside of the generator 1. Since the duct shell 2 is mainly used to draw in cold air, the airflow entering the side duct 32 from the outside of the generator 1 can flow backward into the end duct, and then flow from the rear end of the generator 1 into the interior of the generator 1. The side duct 32 has an air inlet 321 that opens towards the front end of the generator 1. In this way, the generator 1 can draw air forward or to the side, allowing the air in front of the generator 1 or the air around the sides to enter the side duct 32 through the air inlet 321, then flow backward into the end duct, and finally into the interior of the generator 1, thereby cooling the generator 1 and improving the heat dissipation effect.

[0039] It should be noted that when generator 1 is located in the area away from the hot end of the engine, the rear end of generator 1 is close to the exhaust pipe. In this case, generator 1 will draw heat from the exhaust pipe into generator 1, which will greatly reduce the heat dissipation effect of generator 1 and make it impossible to cool down. This will cause electronic components such as generator regulator chip below the rear end of generator 1 to malfunction.

[0040] This application, by setting the air duct shell 2, allows the generator 1 to draw air forward or to the side, avoiding drawing air backward. This prevents the generator 1 from drawing heat from the exhaust pipe into the generator 1, effectively avoiding heat damage, thereby improving the heat dissipation effect of the generator 1 and ensuring the normal operation of the generator 1.

[0041] It should also be noted that the generator 1 of this application has a heat dissipation channel, which is constructed such that air enters at both ends of the generator structure 100 and exits in the middle, such as... Figure 1 As shown, air enters from both the front and rear ends of the heat dissipation channel. The rear end of the heat dissipation channel is connected to the end air duct of the air duct housing 2, meaning the rear end of the heat dissipation channel can draw air in from the end air duct of the air duct housing 2, allowing air to be drawn forward through the air inlet of the air duct housing 2. Simultaneously, the front end of the heat dissipation channel draws air directly from the front of the generator 1. Thus, the entire heat dissipation channel draws air from the front, improving air intake efficiency and avoiding rearward air intake. Furthermore, the hot air that has absorbed heat through the heat dissipation channel can be discharged from the middle side wall of the generator 1, achieving heat dissipation and effectively cooling the generator 1.

[0042] According to the generator structure 100 of this utility model embodiment, by providing a duct shell 2 connected to one end of the generator 1, the generator 1 can draw air forward or to the side, avoiding drawing air backward, thereby effectively avoiding heat damage, improving the heat dissipation effect of the generator 1, and ensuring the normal operation of the generator 1.

[0043] In some embodiments, the air duct housing 2 includes an end main housing 21 and at least one lateral air inlet housing 22. One end of the lateral air inlet housing 22 is connected to the end main housing 21. The end main housing 21 is connected to the end of the generator 1 and together defines the end air duct. The lateral air inlet housing 22 is connected to the side wall of the generator 1 and together defines the lateral air duct 32.

[0044] In other words, the number of side air inlets 22 can be set to one, two, three, or even more. Setting multiple side air inlets 22 can improve the air intake efficiency of the generator 1 and enhance its heat dissipation efficiency. Specifically, as shown in... Figures 1-3 As shown, the air duct shell 2 includes an end main shell 21 and at least one side air inlet shell 22, as... Figure 1 and Figure 2 As shown in the front-to-back direction, the rear end of the lateral air intake shell 22 is connected to the end main shell 21, so that the end main shell 21 and the lateral air intake shell 22 are connected as an integral air duct shell 2 structure, which facilitates assembly. The end main shell 21 is connected to the rear end of the generator 1 to achieve stable installation of the end main shell 21, and the lateral air intake shell 22 is connected to the side wall of the generator 1 to achieve stable installation of the lateral air intake shell 22, thereby ensuring the stable installation of the air duct shell 2 as a whole and ensuring stable air intake.

[0045] The end main shell 21 and the generator 1 together define the end air duct, and the side air inlet shell 22 and the generator 1 together define the side air duct 32. The side air duct 32 extends towards the front of the generator 1. In this way, the airflow drawn into the side air duct 32 can flow backward into the end air duct. The rear end of the generator 1 is also provided with an air inlet, which is connected to the end air duct. The airflow entering the end air duct can flow into the generator 1 through the air inlet, and after flowing through the regulator, rectifier bridge and other components, it is exhausted through the air outlet on the side wall of the generator 1.

[0046] In some embodiments, there are multiple side air inlet shells 22, and the multiple side air inlet shells 22 are spaced apart in the circumferential direction of the end main body shell 21, and each side air inlet shell 22 is provided with an air inlet 321.

[0047] In other words, the number of side air intake shells 22 can be set to two, three, four or even more. Setting multiple side air intake shells 22 can form multiple side air ducts 32, thereby drawing in cold air through multiple side air ducts 32, improving air intake efficiency, and thus improving heat dissipation efficiency. In addition, multiple side air intake shells 22 are distributed at a certain distance in the circumferential direction of the end main shell 21, so that the side air intake shells 22 can draw in cold air from the front or side at different positions, ensuring the uniformity of air intake and preventing excessive or insufficient airflow in some areas, thereby improving heat dissipation efficiency. Furthermore, each side air intake shell 22 is provided with an air inlet 321, so that cold air can be drawn into multiple side air ducts 32 through multiple air inlets 321.

[0048] Specifically, such as Figures 1-3 As shown, two side air inlet shells 22 are provided. This is an example of two side air inlet shells 22. Of course, the arrangement of side air inlet shells 22 is not limited to that described in this embodiment. Other numbers can also be used. The arrangement can be flexibly set according to actual needs to achieve the best cooling effect. Figures 1-3 The two lateral air intake shells 22 shown are distributed at a certain distance in the circumferential direction of the end main shell 21 and are both connected to the upper side wall of the generator 1. Each lateral air intake shell 22 and the side wall of the generator 1 together define a lateral air duct 32, that is, there are two lateral air ducts 32. The front end of each of the two lateral air ducts 32 is provided with an air inlet 321, so that the cold air in front or to the side can enter the two lateral air ducts 32 from the two air inlets 321 respectively.

[0049] In some embodiments, the end body shell 21 is detachably connected to the generator 1 via a connector 4.

[0050] In other words, the end body shell 21 can be detachably connected to the generator 1 via threaded connection, pin connection, or other detachable connection methods. A first connecting hole 63 can be provided on the generator 1, and a second connecting hole 64 can be provided on the end body shell 21. Thus, the connector 4 can pass through the first connecting hole 63 and the second connecting hole 64 in sequence to achieve a detachable and fixed connection between the end body shell 21 and the generator 1. The connector 4 can be a bolt, screw, nut, etc., to achieve a threaded connection. For example, ... Figure 2 and Figure 3 As shown, the first connecting hole 63 can be constructed as a first threaded through hole, and the second connecting hole 64 can be constructed as a second threaded through hole. Both the first threaded through hole and the second threaded through hole are matched with the shape and size of the connector 4. Thus, the connector 4 with external threads on its outer peripheral wall can pass through the first threaded through hole and the second threaded through hole in sequence to realize the threaded connection between the end body shell 21 and the generator 1.

[0051] The connector 4 can also be configured as a pin to achieve a pin connection. For example, the first connecting hole 63 and the second connecting hole 64 can be constructed as pin holes, so that the pin can pass through the first connecting hole 63 and the second connecting hole 64 in sequence to achieve a detachable connection between the end body shell 21 and the generator 1.

[0052] Of course, connecting posts, buckles, slots, etc. can also be provided on the end main shell 21 or generator 1 to realize plug-in connection, buckle connection, etc.

[0053] Therefore, the end body shell 21 is detachably connected to the generator 1 through the connector 4, which not only ensures the stable installation of the end body shell 21 on the generator 1, but also ensures the stability and reliability of the connection between the end body shell 21 and the generator 1, thus realizing a firm connection between the air duct shell 2 and the generator 1, but also facilitates the installation and disassembly of the air duct shell 2. When the air duct shell 2 is damaged, it can be quickly and easily removed from the generator 1 for repair and replacement, which is flexible, convenient and improves assembly efficiency.

[0054] In some embodiments, the generator structure 100 further includes a heat insulation component located at the end of the generator 1 and disposed on the side of the duct housing 2 away from the generator 1.

[0055] Specifically, such as Figure 2 , Figure 4 and Figure 5 As shown, the generator structure 100 also includes a heat insulation component. The heat insulation component is located at the rear end of the generator 1 and is disposed on the side of the air duct shell 2 away from the generator 1, that is, the heat insulation component is disposed on the rear side of the air duct shell 2. The heat insulation component is used to isolate the heat behind the generator 1 and prevent the heat behind the generator 1 from being transferred forward and affecting the cooling effect of the generator 1.

[0056] Therefore, by setting a heat insulation component on the side of the air duct housing 2 away from the generator 1, the impact of the heat source behind the engine on the generator 1 is reduced, thereby further improving the heat dissipation effect of the generator 1.

[0057] In some embodiments, the heat insulation component includes a heat insulation patch 51, which is adhered to the side of the duct housing 2 facing away from the generator 1.

[0058] Specifically, such as Figure 4 As shown, the heat insulation component includes a heat insulation sticker 51, which is used to insulate heat and prevent heat from the rear of the generator 1 from being transferred forward. The heat insulation sticker 51 can be adhered to the rear side of the air duct shell 2 by applying glue to it, so as to ensure that the heat insulation sticker 51 is firmly installed on the air duct shell 2 and achieve the heat insulation function.

[0059] In other embodiments, the heat insulation component includes a heat insulation cover 52, which covers the side of the air duct housing 2 away from the generator 1.

[0060] Specifically, such as Figure 3 and Figure 5 As shown, the heat insulation component includes a heat insulation cover 52, which is used to insulate heat and prevent heat from the rear of the generator 1 from being transferred forward. The heat insulation cover 52 can be installed on the rear side of the air duct shell 2 to increase the heat insulation area and prevent heat from being transferred to the air duct shell 2 and the generator 1 to the greatest extent.

[0061] In some embodiments, the heat insulation assembly includes a heat insulation patch 51 and a heat insulation cover 52, with the heat insulation patch 51 located between the side of the air duct housing 2 and the heat insulation cover 52.

[0062] Specifically, when the heat insulation component includes a heat insulation patch 51 and a heat insulation cover 52, the heat insulation patch 51 is disposed between the side of the air duct shell 2 and the heat insulation cover 52, that is, the heat insulation cover 52 is disposed behind the heat insulation patch 51. Thus, two heat insulation layers are formed. The heat insulation cover 52 can provide initial insulation to the heat source at the rear end of the generator 1 to block most of the heat from being transferred to the generator 1. The heat insulation patch 51 can provide secondary insulation to the remaining heat, thereby greatly reducing the heat transferred to the air duct shell 2 and the generator 1 and ensuring the cooling effect of the generator 1.

[0063] In practical design, such as Figure 4 and Figure 5As shown, a first clearance hole 61 can be provided on the heat insulation cover 52, and a second clearance hole 62 can be provided on the heat insulation sticker 51. The first clearance hole 61 and the second clearance hole 62 are used to avoid the connector 4, so that the connector 4 can pass through the first clearance hole 61 and the second clearance hole 62 in sequence, and then connect to the end body shell 21 and the generator 1, avoiding interference between the connector 4 and the heat insulation component 5. Thus, even when the heat insulation component 5 is provided, the smooth installation and disassembly of the air duct shell 2 can be guaranteed.

[0064] In some embodiments, the heat insulation patch 51 is composed of aluminum and EPE material.

[0065] Specifically, aluminum has good thermal conductivity, which can quickly disperse heat and prevent local overheating. At the same time, the surface of aluminum has a high reflectivity for infrared rays (up to 90% or more), which means that it can effectively reflect most of the heat radiation, thus playing a role in heat insulation. In other words, aluminum is mainly used to reflect heat. EPE material has a low thermal conductivity, which can block heat conduction and reduce heat transfer. In other words, EPE is mainly used to block heat conduction. Therefore, by using aluminum and EPE materials to make heat insulation patch 51, a dual heat insulation mechanism of reflection and blocking can be formed, which greatly improves the heat insulation effect.

[0066] In actual design, glue can be applied to one side of the EPE material and pasted onto the air duct shell 2, while the other side of the EPE material is glued to the aluminum, thus forming a heat insulation sticker 51 pasted onto the air duct shell 2.

[0067] In other embodiments, the heat shield 52 is composed of aluminum foil.

[0068] Specifically, aluminum foil has a high reflectivity, which can effectively reflect most of the heat radiation and reduce heat absorption. It is also lightweight and thin, and easy to process into various shapes. Therefore, by making a heat insulation cover 52 from aluminum foil, most of the heat source at the rear end of the generator 1 can be blocked first, improving the heat insulation effect. It is also easy to manufacture and helps to achieve the lightweighting of the generator structure 100.

[0069] This utility model also proposes an engine assembly.

[0070] According to the engine assembly of this embodiment, there are an engine and a generator structure 100 of any of the above embodiments. The engine includes two sets of cylinder structures, which are distributed in a V-shape and define a V-shaped space. The generator structure 100 is installed in the V-shaped space, and the air inlet 321 is configured to open forward.

[0071] In other words, the engine is a V-shaped engine, which includes two sets of cylinders arranged in a V-shape to make the engine compact and smaller in size, making it easier to install in a vehicle. The area between the two sets of cylinders is a V-shaped space, and the generator structure 100 is installed in the V-shaped space. Therefore, the rear end of the generator 1 is close to the exhaust pipe of the engine. Due to the high temperature of the exhaust pipe, the rear of the generator 1 is also hot, which is not conducive to the generator 1 drawing air from the rear and affects the normal operation of electronic components such as the generator 1 regulator chip below the generator 1, causing the generator 1 to malfunction.

[0072] The air intake 321 is designed to open forward, allowing the generator 1 to draw air from the front or side of the generator 1, thus avoiding the rearward intake. This effectively avoids heat damage, improves the heat dissipation of the generator 1, and ensures its normal operation. As a result, the generator 1 can stably supply power to the vehicle and electrical equipment, ensuring the normal use of the electrical equipment, continuously charging the battery, ensuring sufficient battery power, reducing the engine load, thereby improving fuel economy, enhancing the power performance of the engine assembly, and strengthening the reliability and safety of the vehicle.

[0073] It should be noted that since the generator 1 is located in the V-shaped space of the engine, that is, at the hot end of the engine, the air duct housing 2 can be placed below the intake pipe of the turbocharger, so that the generator 1 can draw air from the side upwards, that is, draw in the cold air above the side of the generator 1.

[0074] This utility model also proposes a vehicle.

[0075] The vehicle according to the present invention includes the engine assembly of any of the above embodiments.

[0076] According to the embodiments of the present invention, by setting the above-mentioned engine assembly, the reliability and safety of the vehicle can be enhanced, the battery life can be extended, thereby improving the driving experience, comfort and economy of the vehicle.

[0077] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0078] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A generator structure, characterized in that, include: dynamo; A duct housing is connected to one end of the generator. The duct housing and the generator together define a duct cavity. The duct cavity includes a communicating end duct and a side duct. The end duct is located at the end of the generator, and the side duct is located outside the generator. The side duct forms an air inlet that opens toward the other end of the generator.

2. The generator structure according to claim 1, characterized in that The air duct housing includes an end main housing and at least one side air inlet housing. One end of the side air inlet housing is connected to the end main housing. The end main housing is connected to the end of the generator and together define the end air duct. The side air inlet housing is connected to the side wall of the generator and together define the side air duct.

3. The generator structure according to claim 2, characterized in that There are multiple lateral air inlet shells, and the multiple lateral air inlet shells are distributed circumferentially on the end main shell, and each lateral air inlet shell is provided with an air inlet.

4. The generator structure of claim 2, wherein The end body shell is detachably connected to the generator via a connector.

5. The generator structure according to any one of claims 1 - 4, characterized in that It also includes a heat insulation component located at the end of the generator and disposed on the side of the duct housing opposite to the generator.

6. The generator structure of claim 5, wherein, The heat insulation component includes a heat insulation sticker, which is adhered to the side of the air duct housing facing away from the generator; And / or, the heat insulation assembly includes a heat insulation cover that covers the side of the duct housing facing away from the generator.

7. The generator structure according to claim 6, characterized in that When the heat insulation assembly includes a heat insulation patch and a heat insulation cover, the heat insulation patch is located between the side of the air duct shell and the heat insulation cover.

8. The generator structure of claim 6, wherein, The heat insulation patch is composed of aluminum and EPE material; And / or, the heat shield is composed of aluminum foil.

9. An engine assembly, characterized in that, The invention includes an engine and a generator structure according to any one of claims 1-8, wherein the engine includes two sets of cylinder structures, the two sets of cylinder structures are distributed in a V-shape and define a V-shaped space, the generator structure is installed in the V-shaped space, and the air inlet is configured to open forward.

10. A vehicle characterized by comprising: Includes the engine assembly as described in claim 9.

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