Intake and exhaust device of internal combustion generator set
The motor-driven cam mechanism and high-temperature exhaust gas preheating technology solve the problem of low intake and exhaust efficiency of internal combustion generator sets in high-altitude areas, achieve efficient intake and exhaust control, improve starting performance and operating efficiency, and extend the service life of the internal combustion engine.
Patent Information
- Application Number
- CN202422219561.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The air temperature of internal combustion generator sets is low in high altitude areas, which makes it difficult for the inhaled air and fuel to ignite, resulting in low intake and exhaust efficiency, affecting their use.
A motor-driven cam mechanism is used to control the intake and exhaust. The high-temperature exhaust gas after combustion is combined to preheat the fresh air, and impurities are filtered through the filter in the intake pipe to achieve automatic control and efficient management of the intake and exhaust.
It improves the starting performance and operating efficiency of the internal combustion generator set, extends the service life of the internal combustion engine, reduces energy loss during the combustion process, and improves energy utilization efficiency.
Smart Images
Figure CN223359191U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of internal combustion engines, in particular to an air intake and exhaust device for an internal combustion generator set. Background Art
[0002] Internal combustion generator sets have the advantages of relatively small size, flexibility, convenience, easy mobility, easy operation, simple and easy control, stable power supply, and the ability to generate electricity around the clock. They are widely used in remote pastoral areas, rural areas, hospitals, mines, field engineering construction, trains, ships, military mobile weapons and equipment power supplies and other places.
[0003] Existing internal combustion generator sets need to draw external air together with fuel into the combustion chamber, ignite it through spark plugs, and then discharge the exhaust gas. In some cities with high altitudes, the air temperature is low, which makes it difficult to ignite the inhaled air and fuel, affecting the use of the internal combustion generator set, and the internal combustion generator set has low intake and exhaust efficiency. Utility Model Content
[0004] To this end, the utility model provides an air intake and exhaust device for an internal combustion generator set to solve the problem that the internal combustion generator set needs to suck external air together with fuel into the combustion chamber, ignite it through a spark plug, and then discharge the exhaust gas. In some cities with high altitudes, the air temperature is low, which makes it difficult to ignite the inhaled air and fuel, affecting the use of the internal combustion generator set, and the problem of low air intake and exhaust efficiency of the internal combustion generator set.
[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solution: an air intake and exhaust device for an internal combustion generator set, comprising a combustion chamber, a connecting shell fixedly provided on one side of the combustion chamber, and an air intake and exhaust assembly provided inside the connecting shell;
[0006] The air intake and exhaust assembly includes a first pipe and a second pipe, both of which are fixedly connected to the combustion chamber. A plug is provided on one side of the first pipe and the second pipe, and a sliding rod is fixed on one side of the two plugs. The two sliding rods pass through the first pipe and the second pipe respectively, and a baffle is fixed on one side of the two sliding rods. A spring is sleeved on the outside of the two sliding rods.
[0007] Preferably, the air intake and exhaust assembly also includes a motor, which is fixed on one side of the connecting shell. Two rotating rods are connected to the inside of the connecting shell through bearings. The output end of the motor is fixedly connected to one of the rotating rods. Cams are fixedly sleeved on the outside of the two rotating rods. Gears are fixedly sleeved on the outside of the two rotating rods, and the two gears are meshed with each other.
[0008] Preferably, an air intake pipe is fixedly provided on one side of the second pipe, and the air intake pipe extends out of the connecting shell.
[0009] Preferably, an outer sleeve is fixedly provided on one side of the connecting shell, and the outer sleeve is fixedly sleeved on the outside of the air inlet pipe.
[0010] Preferably, a through pipe is fixedly provided on one side of the first pipeline, the through pipe extends out of the connecting shell, and the through pipe is fixedly connected to the outer sleeve.
[0011] Preferably, an exhaust pipe is fixedly provided at the bottom of the outer sleeve.
[0012] Preferably, a filter is fixedly provided inside the air intake pipe.
[0013] Preferably, the cam is in contact with the baffle.
[0014] The embodiment of the utility model has the following advantages:
[0015] 1. The motor-driven cam mechanism realizes automatic control of intake and exhaust, making the intake and exhaust process of the internal combustion generator set more efficient and accurate. The intake and exhaust volume can be adjusted in real time according to the operating status of the internal combustion engine, improving the operating efficiency and stability of the internal combustion engine. The filter installed inside the intake pipe can effectively filter impurities and particulate matter in the air, protecting the cylinder and piston of the internal combustion engine from wear and corrosion, thereby extending the service life of the internal combustion engine.
[0016] 2. Using the high-temperature exhaust gas after combustion to preheat the incoming fresh air effectively solves the problem of low air temperature in high altitude areas making it difficult to ignite the fuel. The preheated air is easier to mix with the fuel and ignite, thereby improving the starting performance and operating efficiency of the internal combustion generator set. By optimizing the intake and exhaust process, the energy loss of the internal combustion engine during the combustion process is reduced, and the energy utilization efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.
[0018] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.
[0019] Figure 1 A schematic diagram of the overall structure provided by the utility model;
[0020] Figure 2 This is a front view of the air intake and exhaust assembly provided by the utility model;
[0021] Figure 3 This is a rear view of the air intake and exhaust assembly provided by the utility model;
[0022] Figure 4 A cross-sectional view of the air intake and exhaust assembly provided by the present utility model;
[0023] Figure 5 This is a cross-sectional view of the air intake pipe provided by the utility model.
[0024] In the figure: 1. Combustion chamber; 2. Connecting shell; 3. Motor; 4. Outer sleeve; 5. Inlet pipe; 6. Filter; 7. Exhaust pipe; 8. Through pipe; 9. First pipe; 10. Second pipe; 11. Rotating rod; 12. Gear; 13. Cam; 14. Baffle; 15. Sliding rod; 16. Spring; 17. Plug. DETAILED DESCRIPTION
[0025] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.
[0026] Refer to the attached Figure 1 -Attached Figure 5 The utility model provides an air intake and exhaust device for an internal combustion generator set, comprising a combustion chamber 1, a connecting shell 2 fixedly provided on one side of the combustion chamber 1, and an air intake and exhaust assembly provided inside the connecting shell 2;
[0027] The air intake and exhaust assembly includes a first pipe 9 and a second pipe 10, which are both fixedly connected to the combustion chamber 1. A plug 17 is provided on one side of the first pipe 9 and the second pipe 10. A sliding rod 15 is fixedly provided on one side of the two plugs 17. The two sliding rods 15 pass through the first pipe 9 and the second pipe 10 respectively. A baffle 14 is fixedly provided on one side of the two sliding rods 15. A spring 16 is sleeved on the outside of the two sliding rods 15. The air intake and exhaust assembly also includes a motor 3, which is fixedly provided on one side of the connecting shell 2. Two rotating rods 11 are connected to the inside of the connecting shell 2 through bearings. The output end of the motor 3 is connected to the connection shell 2. One of the rotating rods 11 is fixedly connected, and a cam 13 is fixedly sleeved on the outside of the two rotating rods 11. A gear 12 is fixedly sleeved on the outside of the two rotating rods 11, and the two gears 12 are meshed with each other. An intake pipe 5 is fixedly provided on one side of the second pipe 10, and the intake pipe 5 extends out of the outside of the connecting shell 2. An outer sleeve 4 is fixedly provided on one side of the connecting shell 2, and the outer sleeve 4 is fixedly sleeved on the outside of the intake pipe 5. A through pipe 8 is fixedly provided on one side of the first pipe 9, and the through pipe 8 extends out of the outside of the connecting shell 2. The through pipe 8 is fixedly connected to the outer sleeve 4. An exhaust pipe 7 is fixedly provided at the bottom of the outer sleeve 4, and the cam 13 is in contact with the baffle 14.
[0028] In this embodiment, the motor 3 is started, and the motor 3 controls the rotating rod 11 to rotate, the rotating rod 11 drives the cam 13 to rotate, the rotating rod 11 drives the gear 12 to rotate, and the gear 12 drives the gear 12 outside the other rotating rod 11 to rotate, so that the cam 13 rotates and pushes the baffle 14 to move, the baffle 14 pushes the slide bar 15 to move, the spring 16 outside the slide bar 15 is compressed, the slide bar 15 moves and pushes the plug 17 to move, so that the second pipe 10 is connected to the connection of the combustion chamber 1, and air is sucked in through the intake pipe 5 and input into the second pipe 10. Entering the interior of the combustion chamber 1, a piston is provided at the bottom of the combustion chamber 1, and the combustion chamber 1 is connected to the fuel. The fuel and air enter the combustion chamber 1. The piston provided at the bottom of the combustion chamber 1 pushes the air and fuel to be compressed, and ignited by the spark plug. After the plug 17 on one side of the first pipe 9 moves, the first pipe 9 is connected to the combustion chamber 1. The exhaust gas after combustion enters the through pipe 8 through the first pipe 9 and is injected into the outer sleeve 4. The high-temperature exhaust gas contacts the intake pipe 5 and heats the air inhaled into the intake pipe 5, thereby improving the heat release rate and achieving high intake and exhaust efficiency.
[0029] In order to achieve the purpose of filtering, the device adopts the following technical solution: a filter screen 6 is fixedly provided inside the air inlet pipe 5, and the filter screen 6 filters the inhaled air.
[0030] The use process of the present invention is as follows: when using the present invention, the motor 3 is started, the motor 3 controls the rotating rod 11 to rotate, the rotating rod 11 drives the cam 13 to rotate, the rotating rod 11 drives the gear 12 to rotate, the gear 12 drives the gear 12 outside the other rotating rod 11 to rotate, so that the cam 13 rotates and pushes the baffle 14 to move, the baffle 14 pushes the slide rod 15 to move, the spring 16 outside the slide rod 15 is compressed, the slide rod 15 moves and pushes the plug 17 to move, so that the second pipe 10 is connected to the connection of the combustion chamber 1, and air is inhaled through the intake pipe 5, and the filter 6 filters the inhaled air. , and is input into the second pipe 10, the air enters the combustion chamber 1, and a piston is set at the bottom of the combustion chamber 1. At the same time, the combustion chamber 1 is connected to the fuel, and the fuel and air enter the combustion chamber 1. The piston set at the bottom of the combustion chamber 1 pushes the air and fuel to be compressed, and is ignited by the spark plug. After the plug 17 on one side of the first pipe 9 moves, the first pipe 9 is connected to the combustion chamber 1, and the exhaust gas after combustion enters the through pipe 8 through the first pipe 9 and is injected into the outer sleeve 4. The high-temperature exhaust gas contacts the intake pipe 5 and heats the air inhaled into the intake pipe 5, thereby improving the heat release rate and the intake and exhaust efficiency is high.
[0031] The above description is merely a preferred embodiment of the present invention. Anyone skilled in the art may utilize the above-described technical solutions to modify the present invention or create equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solutions of the present invention falls within the scope of protection claimed by the present invention.
Claims
1. An air intake and exhaust device for an internal combustion generator set, comprising a combustion chamber (1), characterized in that: A connecting shell (2) is fixedly provided on one side of the combustion chamber (1), and an air intake and exhaust assembly is provided inside the connecting shell (2); The air intake and exhaust assembly comprises a first pipe (9) and a second pipe (10), the first pipe (9) and the second pipe (10) are both fixedly connected to the combustion chamber (1), a plug (17) is provided on one side of the first pipe (9) and the second pipe (10), a sliding rod (15) is fixedly provided on one side of the two plugs (17), the two sliding rods (15) respectively pass through the first pipe (9) and the second pipe (10), a baffle (14) is fixedly provided on one side of the two sliding rods (15), and a spring (16) is sleeved on the outside of the two sliding rods (15).
2. The air intake and exhaust device of an internal combustion generator set according to claim 1, characterized in that: The air intake and exhaust assembly further comprises a motor (3), the motor (3) being fixedly arranged on one side of the connecting shell (2), the connecting shell (2) being internally connected to two rotating rods (11) via bearings, the output end of the motor (3) being fixedly connected to one of the rotating rods (11), the exteriors of the two rotating rods (11) being fixedly sleeved with a cam (13), the exteriors of the two rotating rods (11) being fixedly sleeved with a gear (12), and the two gears (12) being meshed with each other.
3. The air intake and exhaust device of an internal combustion generator set according to claim 2, characterized in that: An air intake pipe (5) is fixedly provided on one side of the second pipe (10), and the air intake pipe (5) extends out of the connecting shell (2).
4. The air intake and exhaust device of an internal combustion generator set according to claim 3, characterized in that: An outer sleeve (4) is fixedly provided on one side of the connecting shell (2), and the outer sleeve (4) is fixedly sleeved on the outside of the air inlet pipe (5).
5. The air intake and exhaust device of an internal combustion generator set according to claim 4, characterized in that: A through pipe (8) is fixedly provided on one side of the first pipe (9), the through pipe (8) extends outside the connecting shell (2), and the through pipe (8) is fixedly connected to the outer sleeve (4).
6. The air intake and exhaust device of an internal combustion generator set according to claim 4, characterized in that: An exhaust pipe (7) is fixedly provided at the bottom of the outer sleeve (4).
7. The air intake and exhaust device of an internal combustion generator set according to claim 3, characterized in that: A filter screen (6) is fixedly provided inside the air intake pipe (5).
8. The air intake and exhaust device of an internal combustion generator set according to claim 2, characterized in that: The cam (13) is in contact with the baffle (14).