Inverter generator set

Abstract

The embodiment of the utility model provides an inverter generator set, and relates to the technical field of generator sets, the inverter generator set comprises a rack, an inverter and an engine, the engine is fixedly arranged on the rack, and the inverter is vertically arranged on the side edge of the engine; the engine comprises a large engine cover, and a fan for cooling a cylinder head part of the engine is arranged in the large engine cover; the side, away from the cylinder head, of the large engine cover is of a double-layer structure, an air outlet hole and a flow baffle are arranged on the inner layer structure in the double-layer structure, the flow baffle is arranged below the air outlet hole, and the air outlet hole right faces the fan. The outer layer structure in the double-layer structure is an air outlet channel, an air inlet of the air outlet channel is communicated with the air outlet hole, an air outlet of the air outlet channel faces the inverter, and the air outlet is larger than the air inlet. According to the inverter generator set, the whole heat dissipation surface of the inverter can be subjected to heat dissipation, it is guaranteed that the inverter works better, and the air channel is simple in structure and low in cost.

Description

Technical Field

[0001] The present application relates to the technical field of generator sets, and in particular to an inverter generator set. Background Art

[0002] Generators are core components of power systems, and their operating status directly impacts system stability. The inverter module, a crucial component of the generator set, significantly impacts its performance, both in terms of efficiency and stability. However, the inverter module generates significant heat during operation. If this heat cannot be dissipated promptly, it can severely impact its operation and even damage it. Therefore, effectively cooling the inverter module to ensure proper operation is a crucial issue in generator set design.

[0003] Conventional technology typically places the inverter module above the engine, then creates holes in the engine's air duct and creates numerous, complex air ducts to cool the inverter module. However, this cooling approach presents several challenges: First, placing the inverter module above the engine significantly increases the height and overall size of the generator set, increasing packaging and shipping costs. Second, it requires complex air duct construction, which increases costs.

[0004] Therefore, the existing technology has defects and needs to be improved and developed. Utility Model Content

[0005] An embodiment of the present application provides an inverter generator set, which can effectively cool the inverter (inverter module) to ensure normal operation of the inverter, and has a simple air duct structure and low cost.

[0006] An embodiment of the present application provides an inverter generator set, comprising a frame, an inverter, and an engine, wherein the engine is fixedly mounted on the frame, and the inverter is vertically mounted on the side of the engine;

[0007] The engine includes an engine cover, and a fan for cooling the cylinder head of the engine is provided in the engine cover;

[0008] The side of the engine cover away from the cylinder head is a double-layer structure, and the inner layer of the double-layer structure is provided with an air outlet and a baffle, and the baffle is provided below the air outlet;

[0009] The outer layer structure of the double-layer structure is an air outlet channel, the air inlet of the air outlet channel is connected to the air outlet hole, and the air outlet of the air outlet channel faces the inverter, wherein the shape of the air outlet channel is a trumpet shape, and the air outlet is larger than the air inlet.

[0010] In the inverter generator set described in the embodiment of the present application, a wind shield and an air induction shell are provided on the air outlet, and the wind shield and the air induction shell form an air blowing port, and the air blowing port faces the inverter.

[0011] In the inverter generator set described in the embodiment of the present application, a plurality of heat dissipation ribs are arranged at intervals on the outer surface of the inverter, and the plurality of heat dissipation ribs correspond to the air outlets, wherein the plurality of heat dissipation ribs are all arranged horizontally.

[0012] In the inverter generator set described in the embodiment of the present application, the angle formed between the air outlet and the vertically arranged inverter ranges from 10° to 70°.

[0013] In the inverter generator set described in the embodiment of the present application, an engine hood air inlet is provided at the front end of the engine hood, and the inverter is provided near the engine hood air inlet end.

[0014] In the inverter generator set described in the embodiment of the present application, an engine hood air inlet is provided at the front end of the engine hood, and the inverter is provided at an end away from the engine hood air inlet.

[0015] In the inverter generator set described in the embodiment of the present application, the lower edge of the air outlet is inclined upward.

[0016] In the inverter generator set described in the embodiment of the present application, the cross-sectional shape of the induced draft casing is an arc shape.

[0017] In the inverter generator set described in the embodiment of the present application, the air outlet is located on the side of the engine hood.

[0018] The inverter generator set described in the embodiment of the present application further includes a generator, a fuel tank and a muffler;

[0019] The generator is fixedly arranged on the crankshaft of the engine;

[0020] The oil tank is arranged on the upper part of the engine and fixed on the frame;

[0021] The muffler is fixedly arranged on the exhaust port of the engine.

[0022] The inverter generator set provided in the embodiment of the present application includes a frame, an inverter and an engine, the engine is fixedly arranged on the frame, and the inverter is vertically arranged on the side of the engine; the engine includes an engine hood, and a fan is arranged in the engine hood to cool the cylinder head part of the engine; the side of the engine hood away from the cylinder head part is a double-layer structure, and the inner layer structure of the double-layer structure is provided with an air outlet and a baffle, the baffle is arranged below the air outlet, and the air outlet is facing the fan; the outer layer structure of the double-layer structure is an air outlet channel, the air inlet of the air outlet channel is connected to the air outlet, and the air outlet of the air outlet channel faces the inverter, wherein the shape of the air outlet channel is a trumpet shape, and the air outlet is larger than the air inlet. When the engine is running, the fan rotates to generate cooling air. Part of the cooling air cools the engine's cylinder head, while the remaining cooling air flows through the baffle to the inner air outlet, from which it enters the outer air outlet duct. The air then exits the duct to dissipate heat from the inverter located at the air outlet, thereby dissipating heat from the entire heat dissipation surface of the inverter. In this embodiment of the present application, since the inverter is positioned to the side of the engine rather than above it, the overall height of the inverter generator set is reduced, thereby reducing the overall volume of the inverter generator set and lowering packaging and transportation costs. Furthermore, the air duct structure of this embodiment of the present application is simple and low-cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of the inverter generator set provided in an embodiment of the present application.

[0025] Figure 2 A schematic structural diagram of the engine hood provided in an embodiment of the present application.

[0026] Figure 3 Schematic diagram of the positions of the inverter, engine hood and fan provided in an embodiment of the present application.

[0027] Figure 4 A cross-sectional view of an inverter generator set provided in an embodiment of the present application.

[0028] Figure 5 A schematic diagram of the cooling air duct flow direction when the inverter is located near the air inlet end of the engine hood provided in an embodiment of the present application.

[0029] Figure 6A schematic diagram of the cooling air duct flow direction when the inverter is located away from the air inlet end of the engine hood provided in an embodiment of the present application.

[0030] Description of Figure Numbers:

[0031] 10-rack 20-inverter 30-engine

[0032] 40-Fan 50-Air outlet 60-Baffle

[0033] 70-wind shield 80-draft shell 90-heat dissipation rib

[0034] 100-Fuel tank 110-Muffler 301-Engine hood

[0035] 3011-Outer structure DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0038] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or mutual communication; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0039] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0040] The disclosure below provides many different embodiments or examples for realizing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0041] The present application provides an inverter generator set, referring to Figures 1 to 6 The inverter generator set includes a frame 10, an inverter 20 and an engine 30. The engine 30 is fixed on the frame 10, and the inverter 20 is vertically arranged on the side of the engine 30.

[0042] The engine 30 is fixedly mounted on the bottom of the frame 10 .

[0043] Among them, arranging the inverter 20 on the side of the engine 30 instead of above the engine 30 can reduce the overall height of the inverter generator set, thereby reducing the overall volume of the inverter generator set and reducing packaging and transportation costs.

[0044] The engine 30 includes an engine cover 301 , and a fan 40 for cooling a cylinder head portion of the engine 30 is provided in the engine cover 301 .

[0045] The side of the engine hood 301 away from the cylinder head is a double-layer structure, and the inner layer of the double-layer structure is provided with an air outlet 50 and a baffle 60. The baffle 60 is arranged below the air outlet 50, and the air outlet 50 faces the fan 40.

[0046] The outer layer structure 3011 of the double-layer structure is an air outlet channel. The air inlet of the air outlet channel is connected to the air outlet hole 50. The air outlet of the air outlet channel faces the inverter 20, and the air outlet is larger than the air inlet.

[0047] The shape of the air outlet channel may be a bell-mouth shape, but is not limited to the bell-mouth shape.

[0048] In the embodiment of the present application, when the engine 30 is running, the fan 40 rotates to generate cooling air. A portion of the cooling air cools the cylinder head of the engine 30, while another portion of the cooling air flows through the baffle 60 to the inner air outlet 50, enters the outer air outlet duct from the air outlet 50, and then exits the air outlet duct to dissipate heat from the inverter 20 located at the air outlet, thereby dissipating heat from the entire heat dissipation surface of the inverter 20. Because the inverter is positioned to the side of the engine, rather than above it, the overall height of the inverter generator set is reduced, thereby reducing the overall volume of the inverter generator set and lowering packaging and transportation costs. Furthermore, the air duct structure of the embodiment of the present application is simple and low-cost.

[0049] In some embodiments, a wind shield 70 and an air induction shell 80 are provided on the air outlet. The wind shield 70 and the air induction shell 80 form an air outlet, and the air outlet faces the inverter 20 .

[0050] A wind shield 70 and an air induction shell 80 are provided at the end of the air outlet, and the two form an air outlet. The air outlet faces the inverter 20, so that the wind coming out of the air outlet can dissipate heat for the inverter 20.

[0051] In some embodiments, a plurality of heat dissipation ribs 90 are arranged at intervals on the outer surface of the inverter, and the plurality of heat dissipation ribs 90 correspond to the air outlets, wherein the plurality of heat dissipation ribs 90 are all arranged horizontally.

[0052] The heat dissipation ribs 90 are used to better dissipate heat from the inverter 20. At the same time, a plurality of heat dissipation ribs 90 are arranged at the air outlet to better dissipate heat from the inverter 20.

[0053] In some embodiments, the angle formed by the air outlet and the vertically arranged inverter 20 ranges from 10° to 70°.

[0054] Positioning the air outlet diagonally toward the heat dissipation ribs 90 of the inverter 20 can improve heat dissipation efficiency. Furthermore, the cooling (heat dissipation) efficiency of the inverter 20 is highest when the air outlet is positioned at an angle of 10° to 70° relative to the vertically positioned inverter 20. Angles of 0° and 90° are not very effective.

[0055] In some embodiments, an engine hood air inlet is provided at the front end of the engine hood 301 , and the inverter 20 is provided near the engine hood air inlet end.

[0056] In some embodiments, an engine hood air inlet is provided at the front end of the engine hood 301 , and the inverter 20 is provided at an end away from the engine hood air inlet.

[0057] In some embodiments, the lower edge of the air outlet is inclined upward.

[0058] The lower edge of the air outlet is set to an upwardly inclined structure so that the cooling air in the air outlet channel can be blown upward and diffused through the air induction shell 80.

[0059] In some embodiments, the cross-section of the air induction shell 80 is arc-shaped.

[0060] The cross-sectional shape of the air induction shell 80 is set to be an arc shape so that the cooling air can be blown out more smoothly along the arc direction after hitting the air induction shell 80.

[0061] In some embodiments, the inverter 20 is disposed near an air inlet of a start pull plate of the engine 30 or on a side away from the start pull plate of the engine 30 .

[0062] The inverter 20 is disposed near the air inlet of the starter plate of the engine 30 , so that part of the heat generated by the inverter 20 can be taken away by the starter plate, thereby greatly improving the heat dissipation efficiency.

[0063] In some embodiments, when the inverter 20 is disposed on a side away from the start pull plate of the engine 30 , the inverter 20 is disposed inside the air induced draft housing 80 , and a certain distance is provided between the heat dissipation ribs 90 and the air induced draft housing 80 .

[0064] In some embodiments, the air outlet is located on the side of the engine hood 301 .

[0065] In some embodiments, it also includes a generator, a fuel tank 100 and a muffler 110; the generator is fixedly mounted on the crankshaft of the engine 30; the fuel tank 100 is disposed on the upper portion of the engine 30 and fixed to the frame 10; and the muffler 110 is fixedly mounted on the exhaust port of the engine 30.

[0066] The fuel tank 100 is fixedly connected to the frame 10 via a connector, which can be a screw. It should be noted that the connector is not limited to a screw; any component that can securely connect the fuel tank 100 to the frame 10 can serve as the first connector. Those skilled in the art can configure the connector based on actual circumstances, and this is not specifically limited here.

[0067] In summary, the inverter generator set provided in the embodiment of the present application includes a frame 10, an inverter 20 and an engine 30. The engine 30 is fixedly arranged on the frame 10, and the inverter 20 is vertically arranged on the side of the engine 30; the engine 30 includes an engine hood 301, and a fan 40 is arranged in the engine hood 301 to cool the cylinder head part of the engine 30; the side of the engine hood 301 away from the cylinder head part is a double-layer structure, and the inner layer structure of the double-layer structure is provided with an air outlet 50 and a baffle 60, and the baffle 60 is arranged below the air outlet, and the air outlet is facing the fan; the outer layer structure 3011 of the double-layer structure is an air outlet channel, the air inlet of the air outlet channel is connected to the air outlet 50, the air outlet of the air outlet channel faces the inverter 20, and the air outlet is larger than the air inlet. When the engine 30 is running, the fan 40 rotates to generate cooling air. At this time, part of the cooling air cools the cylinder head of the engine 30, and the other part of the cooling air flows through the baffle 60 to the inner air outlet, enters the outer air outlet channel from the air outlet, and then exits the air outlet channel. The cooling air is blown out of the air outlet formed by the air induction shell 80 and the wind baffle 70, thereby removing a large amount of heat generated by the inverter 20, thereby dissipating heat from the heat dissipation surface of the entire inverter. Because the inverter is arranged on the side of the engine instead of above the engine, the embodiment of the present application reduces the overall height of the inverter generator set, thereby reducing the overall volume of the inverter generator set and reducing packaging and transportation costs. In addition, the air duct structure of the embodiment of the present application is simple and low-cost.

[0068] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0069] The above is a detailed introduction to an inverter generator set provided in an embodiment of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An inverter generator set, characterized in that: It includes a frame, an inverter and an engine, wherein the engine is fixedly arranged on the frame, and the inverter is vertically arranged on the side of the engine; The engine includes an engine cover, and a fan for cooling the cylinder head of the engine is provided in the engine cover; The side of the engine cover away from the cylinder head is a double-layer structure, and the inner layer of the double-layer structure is provided with an air outlet and a baffle, the baffle is provided below the air outlet, and the air outlet faces the fan; The outer layer structure of the double-layer structure is an air outlet channel, the air inlet of the air outlet channel is connected to the air outlet hole, the air outlet of the air outlet channel faces the inverter, and the air outlet is larger than the air inlet.

2. The inverter generator set according to claim 1, characterized in that: The air outlet is provided with a wind shield and an air induction shell, and the wind shield and the air induction shell form an air blowing port, and the air blowing port faces the inverter.

3. The inverter generator set according to claim 2, characterized in that: A plurality of heat dissipation ribs are arranged at intervals on the outer surface of the inverter, and the plurality of heat dissipation ribs correspond to the air outlets, wherein the plurality of heat dissipation ribs are all arranged horizontally.

4. The inverter generator set according to claim 3, characterized in that: The angle formed between the air blowing port and the vertically arranged inverter is in the range of 10° to 70°.

5. The inverter generator set according to claim 3, characterized in that: The front end of the engine hood is provided with an engine hood air inlet, and the inverter is arranged near the engine hood air inlet end.

6. The inverter generator set according to claim 3, characterized in that: The front end of the engine hood is provided with an engine hood air inlet, and the inverter is arranged at an end away from the engine hood air inlet.

7. The inverter generator set according to claim 2, characterized in that: The lower edge of the air outlet is inclined upward.

8. The inverter generator set according to claim 2, characterized in that: The cross-section of the air induced shell is in the shape of an arc.

9. The inverter generator set according to claim 1, characterized in that: The air outlet is located on the side of the engine hood.

10. The inverter generator set according to claim 1, characterized in that: Also included are the generator, fuel tank, and muffler; The generator is fixedly arranged on the crankshaft of the engine; The oil tank is arranged on the upper part of the engine and fixed on the frame; The muffler is fixedly arranged on the exhaust port of the engine.

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