Generator air duct heat dissipation structure of double-cylinder engine series

Abstract

The invention is suitable for the technical field of engines, and provides a generator air duct heat dissipation structure of a double-cylinder engine series. Comprising a base, an engine body is installed at one end of the base, a motor is installed on the side, located on the engine body, of the base, a double-blade fan is installed between the engine body and the motor, and a silencer bin is installed at the top end of the motor and the top end of the double-blade fan; a double-blade fan is installed between an engine body and a motor, the double-blade fan exhausts air in two directions, the motor on one side and the crankcase cover side of the engine are cooled at the same time, and hot air in a generator case is absorbed; the two sets of partition plates are arranged in the cavity of the silencer bin, the air channels are separated through the partition plates on the two sides, air flows between the air channels do not interfere with each other, the air flows are guided to the same flow direction and then converged, optimization of the air channels is achieved, the heat dissipation condition in the case is improved, the overall temperature is reduced, and the working stability of the generator is kept.

Description

Technical Field

[0001] The invention relates to the technical field of engines, and in particular to an air duct heat dissipation structure of a double-cylinder engine series generator. Background Art

[0002] Twin-cylinder engines are usually designed to be compact and convenient for use in environments with limited space. The power of twin-cylinder engines is between single-cylinder and multi-cylinder, suitable for medium load requirements. Twin-cylinder engines provide necessary power while maintaining high fuel efficiency. Compared with multi-cylinder engines, twin-cylinder engines have a relatively simple structure and are easier to maintain. Twin-cylinder engines can adapt to different working environments and climatic conditions. Twin-cylinder engine series generators have become the first choice for many users with their moderate power, efficient performance and wide range of application scenarios. In the process of selection and use, the above-mentioned matters should be paid attention to to ensure that the performance of the generator is fully utilized and at the same time ensure safety in use.

[0003] The air duct structure of the dual-cylinder engine series silent generators on the market currently has a poor heat dissipation effect, resulting in risks such as high-temperature bulging of the battery inside the chassis, increased motor temperature and decreased performance of the entire machine. Summary of the invention

[0004] The present invention provides an air duct heat dissipation structure for a twin-cylinder engine series generator, aiming to solve the problem that the air duct structure of the twin-cylinder engine series silent generator on the current market has poor heat dissipation effect, resulting in the risk of high-temperature bulging of the battery inside the chassis, increased motor temperature and decreased performance of the entire machine.

[0005] The present invention is implemented as follows: a twin-cylinder engine series generator air duct heat dissipation structure includes a base, an engine body is installed on one end of the base, a motor is installed on one side of the base located on the engine body, a two-blade fan is installed between the engine body and the motor, a muffler bin is installed on the top of the motor and the two-blade fan, an exhaust port bin is installed on one side of the muffler bin, the interior of the muffler bin is a cavity, and two sets of partitions are arranged in the cavity.

[0006] Preferably, an engine air inlet is provided at one end of the engine body facing away from the motor.

[0007] The beneficial effect of adopting the above further scheme is: delivering clean, dry, sufficient and stable air to the engine to meet the needs of sufficient combustion inside the engine, while providing ventilation and heat dissipation effects for the engine body.

[0008] Preferably, the muffler bin comprises: a bin body, the bin body is installed at the top of the motor and the double-blade fan, a muffler is installed inside the bin body, and a bin cover is fixedly connected to the top of the bin body.

[0009] The beneficial effects of adopting the above further solution are: conveniently reducing the exhaust noise of the engine and allowing the high-temperature exhaust gas to be discharged safely and effectively.

[0010] Preferably, two groups of cylinder heads are arranged at the top of the engine body, air ducts are opened inside the two groups of cylinder heads, and the outlets of the two groups of air ducts are communicated with the internal cavity of the muffler compartment.

[0011] The beneficial effect of adopting the above further scheme is that the two sets of cylinder heads are used to guide the flow of cooling air or coolant to reduce the operating temperature of the engine, and are used to discharge the cooled air into the cavity and out of the exhaust port bin on the other side.

[0012] Preferably, an air outlet is provided at the top of the double-blade fan, and the air outlet is communicated with the internal cavity of the muffler compartment.

[0013] The beneficial effect of adopting the above-mentioned further scheme is: it is convenient for the double-blade fan to exhaust air through the air outlet, discharge the cooled air into the cavity, and cool the crankcase cover side of the motor and the engine on one side at the same time, and absorb the hot air inside the generator chassis, causing negative pressure inside the chassis, so that the air inlet arranged on the chassis creates air intake conditions, so that when the generator set is opened to the cooling dead corner, the air inlet can have wind flow to drive the air circulation in the entire chassis.

[0014] Preferably, one side of the two groups of partitions is provided with an arc, which is adapted to the side wall of the muffler. The two groups of partitions are sequentially fitted with the muffler through the arc on one side, and the bottom is fixedly connected to the warehouse body. The two groups of partitions sequentially separate the air duct outlets of the two groups of cylinder heads and the air outlet of the two-blade fan into three air duct cavities.

[0015] The beneficial effect of adopting the above further scheme is: the airflows between the air ducts do not interfere with each other, the airflows are guided to the same direction and then discharged from the exhaust port bin after merging, thereby improving the heat dissipation effect and heat dissipation efficiency.

[0016] Preferably, an arc-shaped exhaust passage is provided inside the exhaust port compartment, and an air inlet at one end of the exhaust port compartment is communicated with the internal cavity of the muffler compartment.

[0017] The beneficial effect of adopting the above further scheme is that air is taken in on one side of the upper end of the air outlet bin and air is exhausted on the other side of the lower end, and the air outlet of the air outlet bin is moved downward to improve noise.

[0018] Preferably, an exhaust pipe is provided between the engine body and the muffler, and the two are connected through the exhaust pipe.

[0019] The beneficial effect of adopting the above further solution is: the exhaust noise of the engine is reduced by the muffler, and the high-temperature exhaust gas can be discharged safely and effectively.

[0020] Preferably, a motor side air inlet is provided on one side of the motor.

[0021] The beneficial effect of adopting the above further solution is: facilitating air cooling of the motor, cooling the motor, and ensuring the normal operation of the motor.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: a dual-cylinder engine series generator air duct heat dissipation structure of the present invention, by installing a two-blade fan between the engine body and the motor, the two-blade fan draws air in two directions, cools one side of the motor and the crankcase cover side of the engine at the same time, and absorbs hot air inside the generator chassis, causing negative pressure inside the chassis, so that the air inlet arranged on the chassis creates intake conditions, so that when the generator set is opened to a cooling dead corner, the air inlet can have wind flow to drive the air circulation in the entire chassis, greatly improving the cooling effect of the unit; by arranging two groups of partitions in the cavity of the muffler compartment, and using the partitions on both sides to separate the air ducts, the airflows between the air ducts do not interfere with each other, and the airflows are guided to the same direction and then merged, thereby optimizing the air ducts, thereby improving the heat dissipation conditions in the chassis, reducing the overall temperature, and maintaining the working stability of the generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 for Figure 1 A side view structural schematic diagram of;

[0025] Figure 3 for Figure 2 Schematic diagram of the structure (without the bin cover).

[0026] In the figure: 1. base; 2. engine body; 3. motor; 4. two-blade fan; 5. muffler compartment; 51. compartment body; 52. muffler; 53. compartment cover; 6. exhaust vent compartment; 7. partition; 8. engine air inlet; 9. cylinder head; 10. exhaust pipe; 11. motor side air inlet. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] See also Figure 1-3The present invention provides a technical solution for the air duct heat dissipation structure of a twin-cylinder engine series generator: a twin-cylinder engine series generator air duct heat dissipation structure, comprising a base 1, an engine body 2 is installed on one end of the base 1, a motor 3 is installed on one side of the base 1 located on the engine body 2, a two-blade fan 4 is installed between the engine body 2 and the motor 3, a muffler bin 5 is installed on the top of the motor 3 and the two-blade fan 4, an exhaust port bin 6 is installed on one side of the muffler bin 5, the interior of the muffler bin 5 is a cavity, and two groups of partitions 7 are arranged in the cavity.

[0029] In this embodiment, a two-blade fan 4 is installed between the engine body 2 and the motor 3. The two-blade fan 4 draws air in two directions, cools one side of the motor 3 and the crankcase cover side of the engine at the same time, and absorbs hot air inside the generator chassis, causing negative pressure inside the chassis, so that the air inlet arranged on the chassis creates intake conditions, so that when the generator set is opened to the cooling dead corner, the air inlet can drive the air circulation in the entire chassis, greatly improving the cooling effect of the unit, and by arranging two groups of partitions 7 in the cavity of the muffler compartment 5, and using the partitions on both sides to divide it into three air ducts, the airflow between the air ducts does not interfere with each other, and the airflow is guided to the same direction and then merged, thereby realizing the optimization of the air duct, thereby improving the heat dissipation conditions in the chassis, reducing the overall temperature, and maintaining the working stability of the generator.

[0030] Furthermore, an engine air inlet 8 is provided at one end of the engine body 2 away from the motor 3.

[0031] In this embodiment, an engine air inlet 8 is provided on the engine body 2, and the engine air inlet 8 supplies clean, dry, sufficient and stable air to the engine to meet the requirements of sufficient combustion inside the engine, while providing ventilation and heat dissipation effects for the body.

[0032] Typically, the muffler bin 5 comprises: a bin body 51, the bin body 51 is mounted on the top of the motor 3 and the double-blade fan 4, a muffler 52 is installed inside the bin body 51, and a bin cover 53 is fixedly connected to the top of the bin body 51.

[0033] In this embodiment, a muffler compartment 5 is provided for installing a muffler 52 in the compartment, thereby reducing the exhaust noise of the engine and allowing high-temperature exhaust gas to be discharged safely and effectively. The muffler compartment 5 includes a compartment body 51, a muffler 52 and a compartment cover 53. The muffler 52 is installed in the compartment body 51 and covered on the compartment body 51 by the compartment cover 53, so that an exhaust cavity is formed inside the compartment body 51 and the compartment cover 53.

[0034] Specifically, two groups of cylinder heads 9 are provided at the top of the engine body 2, and air ducts are opened inside the two groups of cylinder heads 9, and the outlets of the two groups of air ducts are connected to the internal cavity of the muffler compartment 5.

[0035] In this embodiment, two groups of cylinder heads 9 are arranged at the top of the engine body 2. The two groups of cylinder heads 9 are the left and right cylinder head air ducts of the engine. A series of channels designed inside the cylinder head 9 are used to guide the flow of cooling air or coolant to reduce the operating temperature of the engine. The design of the left and right cylinder head air ducts of the engine is crucial to the performance and life of the engine. Through reasonable air duct design, it can be ensured that the engine can still maintain a low temperature when working at high load, thereby avoiding performance degradation or damage caused by overheating. The exhaust ports of the two groups of cylinder heads 9 are sequentially arranged at the left and right ends of the internal cavity of the muffler compartment 5, which are used to discharge the cooled air into the cavity and discharge it from the exhaust port compartment 6 on the other side.

[0036] In addition, an air outlet is provided at the top of the double-blade fan 4, and the air outlet is connected to the internal cavity of the muffler compartment 5.

[0037] In this embodiment, an air outlet is opened at the top of the double-blade fan 4 to facilitate the double-blade fan 4 to exhaust air through the air outlet, and discharge the cooled air into the cavity. The air outlet of the double-blade fan 4 is located in the middle of the air outlet duct of the engine cylinder head 9. The double-blade fan 4 draws air in both directions, cooling one side of the motor 3 and the crankcase cover side of the engine at the same time, and absorbing the hot air inside the generator chassis, causing negative pressure inside the chassis, so that the air inlet arranged on the chassis creates intake conditions, so that when the generator set is opened to a cooling dead corner, the air inlet can have wind flow to drive the air circulation in the entire chassis.

[0038] In addition, one side of the two groups of partitions 7 is provided with an arc, which is adapted to the side wall of the muffler 52. The two groups of partitions 7 are fitted with the muffler 52 through the arc on one side in turn, and the bottom is fixedly connected to the warehouse body 51. The two groups of partitions 7 divide the air duct outlets of the two groups of cylinder heads 9 and the air outlet of the two-blade fan 4 into three air duct cavities in turn.

[0039] In this embodiment, two groups of partitions 7 are provided to divide the air in the muffler compartment 5 into three air duct cavities, and the air duct outlets of the two groups of cylinder heads 9 and the air outlets of the two-blade fan 4 are separated in turn, wherein the two groups of partitions 7 are sequentially fitted with the muffler 52 through a circular arc on one side, and the top and the side slope are sequentially fitted with the top compartment cover 53, so that the three air duct cavities are separated in turn, so that the airflows between the air ducts do not interfere with each other, and the airflows are guided to the same direction and then discharged from the exhaust port compartment 6 after merging, thereby improving the heat dissipation effect and efficiency.

[0040] Furthermore, an arc-shaped exhaust passage is provided inside the exhaust port bin 6, and an air inlet at one end of the exhaust port bin 6 is connected to the internal cavity of the muffler bin 5.

[0041] In this embodiment, an exhaust port bin 6 is provided with an arc-shaped exhaust passage, air is taken in on one side of the upper end of the exhaust port bin 6, and air is exhausted on the other side of the lower end, wherein the air inlet of the exhaust port bin 6 is connected to the muffler bin 5, the air duct outlets of the two groups of cylinder heads 9 and the air outlets of the two-blade fan 4 are exhausted after merging in the exhaust port bin 6, and the exhaust gas discharged from the muffler 52 is discharged after merging in the exhaust port bin 6, and the exhaust port of the exhaust port bin 6 is moved downward to improve noise.

[0042] Furthermore, an exhaust pipe 10 is provided between the engine body 2 and the muffler 52, and the two are connected through the exhaust pipe 10.

[0043] In this embodiment, the engine is connected to the muffler 52 via the exhaust pipe 10, and the muffler 52 reduces the exhaust noise of the engine and enables the high-temperature exhaust gas to be discharged safely and effectively.

[0044] It should be noted that a motor-side air inlet 11 is provided on one side of the motor 3 .

[0045] In this embodiment, a motor-side air inlet 11 is provided on the motor 3 to facilitate air intake and cooling of the motor 3, so that the motor 3 is cooled and the temperature is reduced to ensure normal operation of the motor 3.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A twin-cylinder engine series generator air duct heat dissipation structure, characterized by: The invention comprises a base (1), an engine body (2) is mounted on one end of the base (1), a motor (3) is mounted on one side of the base (1) located on the engine body (2), a double-blade fan (4) is mounted between the engine body (2) and the motor (3), a muffler compartment (5) is mounted on the top of the motor (3) and the double-blade fan (4), an exhaust port compartment (6) is mounted on one side of the muffler compartment (5), the interior of the muffler compartment (5) is a cavity, and two groups of partitions (7) are arranged in the cavity.

2. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 1, characterized in that: An engine air inlet (8) is provided at one end of the engine body (2) facing away from the motor (3).

3. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 1, characterized in that: The muffler bin (5) comprises: a bin body (51), the bin body (51) being mounted on the top ends of the motor (3) and the double-blade fan (4), a muffler (52) being mounted inside the bin body (51), and a bin cover (53) being fixedly connected to the top end of the bin body (51).

4. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 3, characterized in that: Two groups of cylinder heads (9) are arranged at the top of the engine body (2), air ducts are opened inside the two groups of cylinder heads (9), and the outlets of the two groups of air ducts are both connected to the internal cavity of the muffler compartment (5).

5. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 4, characterized in that: An air outlet is provided at the top of the double-blade fan (4), and the air outlet is communicated with the internal cavity of the muffler compartment (5).

6. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 5, characterized in that: One side of the two groups of partitions (7) is provided with an arc, and the arc is adapted to the side wall of the muffler (52). The two groups of partitions (7) are fitted with the muffler (52) in turn through the arc on one side, and the bottom is fixedly connected to the chamber body (51). The two groups of partitions (7) in turn separate the air duct outlets of the two groups of cylinder heads (9) and the air outlet of the muffler chamber (5) into three air duct cavities.

7. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 1, characterized in that: An arc-shaped exhaust passage is provided inside the exhaust port bin (6), and an air inlet at one end of the exhaust port bin (6) is connected to the internal cavity of the double-blade fan (4).

8. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 3, characterized in that: An exhaust pipe (10) is provided between the engine body (2) and the muffler (52), and the two are connected via the exhaust pipe (10).

9. The air duct heat dissipation structure of a twin-cylinder engine series generator according to claim 1, characterized in that: A motor-side air inlet (11) is provided on one side of the motor (3).

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