Air inducing structure of silent variable-frequency generator set engine wind scooper

Abstract

The utility model discloses a silent variable frequency generator set engine wind scooper air inducing structure which comprises a wind scooper, a wind scooper air inlet is formed in the wind scooper, and the outer edge of the wind scooper and the wind scooper air inlet form a main air channel in the circumferential direction. A first air duct, a second air duct and a third air duct which are communicated with the main air duct are arranged at the air outlet position of the main air duct. The single-impeller multi-air-duct heat dissipation device has the advantages that on the basis that the structure is simplified and the cost is reduced, single-impeller multi-air-duct heat dissipation is achieved, cooling air is divided and guided, heat dissipation is conducted on different positions of an engine, the heat dissipation effect of the engine is improved, the heat load of the engine is reduced, and the user experience and the service life of the engine are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of generator sets, in particular to an air guide cover wind induction structure of a silent variable frequency generator set engine. Background Art

[0002] Generator sets are easy to use and have a wide range of applications. Therefore, they have a wide range of applications. During the use of the generator set, the engine will generate heat. In order to ensure the normal operation of the generator set and increase the service life of the generator set, it is essential to help the engine dissipate heat.

[0003] Currently, most of the devices that help engine heat dissipation are single-impeller, single-duct heat dissipation devices and multi-impeller, multi-channel heat dissipation devices. Among them, the single-impeller, single-duct heat dissipation device has a simple structure and low cost, but a small cooling range and poor cooling effect. The multi-impeller, multi-channel heat dissipation device has a large cooling range and good cooling effect, but is expensive and has a complex structural design. Utility Model Content

[0004] The utility model aims to provide a silent variable frequency generator set engine wind guide cover air induction structure, which can realize engine multi-air duct heat dissipation through a single impeller, expand the engine heat dissipation range and improve the engine heat dissipation effect.

[0005] The key point of the silent variable frequency generator engine air guide hood wind induction structure is that it includes an air guide hood, the air guide hood is provided with an air guide hood air inlet, and the outer edge of the air guide hood and the air guide hood air inlet circumferentially form a main air duct;

[0006] The air outlet of the main air duct is provided with a first air duct, a second air duct and a third air duct which are communicated with the main air duct.

[0007] The air guide cover is connected to the frame on which the generator set is installed, and an impeller connected to the generator set is arranged at the air inlet of the air guide cover. The operation of the generator set drives the impeller to rotate, and the cooling air is introduced into the air guide cover. The cooling air moves along the main air duct, the first air duct, the second air duct, and the third air duct to cool down the crankcase and cylinder head of the engine, thereby realizing all-round heat dissipation of the engine.

[0008] Further description, a first flow diversion baffle and a second flow diversion baffle are arranged on the inner side of the air guide cover, one end of the first flow diversion baffle and the second flow diversion baffle both extend into the main air duct, and the other end extends to the outer edge of the upper end of the air guide cover;

[0009] The second air duct is formed between the first flow splitter baffle and the second flow splitter baffle. When in use, the first flow splitter baffle and the second flow splitter baffle are located outside the cylinder head, and the second air duct can cool the cylinder head.

[0010] Further description, the first air duct is formed between the second diverter baffle and the outer edge of the air guide cover. When in use, cold air passes through the crankcase cooling fins and the cylinder head cooling fins to achieve cooling of the crankcase cylinder liner and the cylinder head.

[0011] Further description: The third air duct is formed between the first flow dividing baffle and the outer edge of the air guide cover. When in use, cold air passes through the cylinder head heat sink to achieve cylinder head cooling.

[0012] The first flow dividing baffle and the second flow dividing baffle divide the cold air in the main air duct, so that the cold air flows through the cylinder head cooling fins and the crankcase cooling fins along the first air duct, the second air duct and the third air duct respectively, and dissipates the heat of the crankcase and the cylinder head in all aspects.

[0013] Further description, the air guide cover is also provided with an avoidance installation hole for avoiding the cylinder head air intake duct, and the avoidance installation hole is located in the second air duct.

[0014] Further describing that one end of the first flow dividing baffle extends into the main air duct, and the other end extends to the lower edge of the avoidance installation hole;

[0015] One end of the second flow dividing baffle extends toward the upper edge of the avoidance installation hole, and the other end extends into the main air duct.

[0016] Beneficial effects: On the basis of simplifying the structure and reducing the cost, the utility model realizes single impeller and multi-duct heat dissipation, and diverts and guides the cooling air to dissipate heat at different positions of the engine, thereby improving the heat dissipation effect of the engine, reducing the thermal load of the engine, and ensuring user experience and engine life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the inner plan view of the utility model;

[0018] Figure 2 This is the outer side plan view of the utility model;

[0019] Figure 3 A three-dimensional diagram of wind flow for cooling;

[0020] Figure 4 This is a plan view of wind flow for cooling. DETAILED DESCRIPTION

[0021] The specific implementation manner and working principle of the utility model are further described in detail below with reference to the accompanying drawings.

[0022] like Figure 1-Figure 4As shown, the air ducting structure of the silent variable frequency generator engine includes an air ducting cover 1, which is used to cover one side of the engine 3. The existing gasoline engine includes a frame, and the generator set is installed inside the frame; the generator set includes the engine 3, and the engine 3 includes a crankcase body 31, a crankcase cylinder liner 32, and a cylinder head 33. The crankcase cylinder liner 32 is installed on the top of the crankcase body 31, and the cylinder head 33 is installed on the top of the crankcase cylinder liner 32.

[0023] See also Figure 3 and Figure 4 The air guide cover 1 is provided with an air inlet 11 and an avoidance installation hole 15.

[0024] After the air scoop 1 is installed, the air inlet 11 of the air scoop faces the crankshaft 311 on the crankcase body 31, the avoidance mounting hole 15 faces the intake duct of the cylinder head 33, and part of the intake duct protrudes from the avoidance mounting hole 15; an impeller is installed in the air inlet 11 of the air scoop, and the impeller is connected to the crankshaft 311.

[0025] See also Figure 1 and Figure 2 : The outer edge of the air guide cover 1 and the circumference of the air guide cover air inlet 11 form a main air duct 12; the main air duct 12 is arranged around the air guide cover air inlet 11, and the first diverter baffle 13 and the second diverter baffle 14 are provided on the inner side of the air guide cover 1, one end of the first diverter baffle 13 extends into the main air duct 12, and the other end extends to the lower edge of the avoidance mounting hole 15; one end of the second diverter baffle 14 extends to the upper edge of the avoidance mounting hole 15, and the other end extends into the main air duct 12. The first air duct 121 is formed between the second flow dividing baffle 14 and the outer edge of the air guide cover 1, and the first air duct 121 passes through the crankcase cooling fin 321 and the cylinder head cooling fin 331 in sequence; the second air duct 122 is formed between the first flow dividing baffle 13 and the second flow dividing baffle 14, and the second air duct 122 passes through the crankcase cooling fin 321 and the cylinder head cooling fin 331 in sequence, and the air intake duct of the cylinder head 33 is located in the second air duct 122;

[0026] Figure 3 and Figure 4 Middle: The third air duct 123 is formed between the first flow dividing baffle 13 and the outer edge of the air guide cover 1 , and the third air duct 121 passes through the cylinder head cooling fin 331 .

[0027] After the air guide cover 1, frame 2, engine 3, and impeller are installed, the engine 3 is started, and the crankshaft 331 drives the impeller to rotate. The impeller rotates to introduce cold air into the main air duct 12 along the air inlet 11 of the air guide cover. The cooling air moves along the main air duct 12 and cools and dissipates heat from the crankcase body 31.

[0028] When the cold air flows through the first baffle plate and the second baffle plate along the main air duct 12 , the first baffle plate and the second baffle plate divide the cold air into three paths, and the cold air flows along the first air duct 121 , the second air duct 122 , and the third air duct 123 , respectively.

[0029] The cold air flows along the first air duct 121 through the crankcase cooling fins 321 and the cylinder head cooling fins 331 to cool and dissipate heat for the crankcase liner 32 and the cylinder head 33;

[0030] The cold air flows through the crankcase cooling fins 321 and the cylinder head cooling fins 331 along the second air duct 122 to cool and dissipate heat for the crankcase liner 32 and the cylinder head 33 ; the cold air flows through the cylinder head cooling fins 331 along the third air duct 123 to cool and dissipate heat for the cylinder head 33 .

Claims

1. A silent variable frequency generator engine air guide cover air induction structure, characterized by: The invention comprises an air guide cover (1), wherein the air guide cover (1) is provided with an air guide cover air inlet (11), and the outer edge of the air guide cover (1) and the air guide cover air inlet (11) form a main air duct (12) in the circumferential direction; A first air duct (121), a second air duct (122), and a third air duct (123) which are in communication with the main air duct (12) are arranged at the air outlet of the main air duct (12).

2. According to the silent variable frequency generator set engine air duct duct structure of claim 1, it is characterized by: A first flow diversion baffle (13) and a second flow diversion baffle (14) are arranged on the inner side of the air guide cover (1), one end of the first flow diversion baffle (13) and the second flow diversion baffle (14) both extend into the main air duct (12), and the other end extends to the outer edge of the upper end of the air guide cover (1); The second air duct (122) is formed between the first flow splitter baffle (13) and the second flow splitter baffle (14); when in use, the first flow splitter baffle (13) and the second flow splitter baffle (14) are located outside the cylinder head (33), and the second air duct (122) can cool the cylinder head (33).

3. The air duct structure of the engine air guide cover of the silent variable frequency generator set according to claim 2 is characterized in that: The first air duct (121) is formed between the second flow dividing baffle (14) and the outer edge of the air guide cover (1); when in use, cold air passes through the crankcase cooling fins (321) and the cylinder head cooling fins (331) to achieve cooling of the crankcase cylinder liner (32) and the cylinder head (33).

4. The air duct structure of the engine air guide cover of the silent variable frequency generator set according to claim 2 is characterized in that: The third air duct (123) is formed between the first flow dividing baffle (13) and the outer edge of the air guide cover (1); when in use, cold air passes through the cylinder head cooling fins (331) to achieve cooling of the cylinder head (33).

5. The air duct structure of the engine air guide cover of the silent variable frequency generator set according to claim 2 is characterized in that: The air guide cover (1) is also provided with an avoidance installation hole (15) for avoiding the cylinder head air intake duct, and the avoidance installation hole (15) is located in the second air duct (122).

6. The air duct structure of the engine air guide cover of the silent variable frequency generator set according to claim 5 is characterized in that: One end of the first flow dividing baffle (13) extends into the main air duct (12), and the other end extends to the lower edge of the avoidance installation hole (15); One end of the second flow dividing baffle (14) extends toward the upper edge of the avoidance installation hole (15), and the other end extends into the main air duct (12).

Images