阅读说明：本技术 一种发动机的增压装置 (Supercharging device of engine ) 是由 张学文 张程尧 沈祖杰 倪培永 刘忠飞 于 2021-08-06 设计创作，主要内容包括：本发明提供一种发动机的增压装置,涉及增压发动机技术领域,其技术特征在于：包括空压系统、储气罐及电控系统,所述空压系统通过发动机进行驱动,所述储气罐用于储存所述空压系统中的高压气体,所述储气罐与所述发动机连通设置,用于对发动机输出高压气体,所述电控系统用于监控所述储气罐中的气体压力并调节所述储气罐的气体输出。通过发动机自身驱动的空气压缩机产生的高压气体进行增压,相较于传统的废气涡轮增压发动机,减少了整个发动机的增压器及增压系统,降低发动机的成本,同时由于空气压缩机可以提供恒定压力的空气进入发动机气缸,克服了涡轮增压发动机增压压力随发动机转速和负荷变化的缺点。(The invention provides a supercharging device of an engine, which relates to the technical field of supercharged engines and is technically characterized in that: including air compression system, gas holder and electrical system, air compression system drives through the engine, the gas holder is used for storing high-pressure gas in the air compression system, the gas holder with the engine intercommunication sets up for to engine output high-pressure gas, electrical system is used for the control gas pressure in the gas holder is adjusted the gas output of gas holder. The high-pressure gas generated by the air compressor driven by the engine per se is used for supercharging, compared with the traditional exhaust gas turbocharging engine, the supercharger and the supercharging system of the whole engine are reduced, the cost of the engine is reduced, and meanwhile, the air compressor can provide air with constant pressure to enter an engine cylinder, so that the defect that the supercharging pressure of the turbocharging engine changes along with the rotating speed and the load of the engine is overcome.)

1. The utility model provides a supercharging device of engine, its includes air compression system (10), gas holder (20) and electrical system (30), its characterized in that: the air compression system (10) is driven by an engine (40), the air storage tank (20) is used for storing high-pressure gas in the air compression system (10), the air storage tank (20) is communicated with the engine (40) and used for outputting the high-pressure gas to the engine (40), and the electric control system (30) is used for monitoring the gas pressure in the air storage tank (20) and adjusting the gas output of the air storage tank (20).

2. The supercharging apparatus of an engine according to claim 1, characterized in that: the air compression system (10) comprises an air compressor (13) and a plurality of air pipelines (14), the air compressor (13) is driven by an engine (40), and the output end of the air compressor (13) is connected with the air storage tank (20) through the air pipelines (14).

3. The supercharging apparatus of an engine according to claim 2, characterized in that: the air compression system (10) further comprises an air filter (11) and a one-way valve (12), the air filter (11) is communicated with the input end of the one-way valve (12) and the input end of the air compressor (13) through an air pipeline (14), and the output end of the one-way valve (12) is communicated with the engine (40).

4. The supercharging apparatus of an engine according to claim 3, characterized in that: the air storage tank (20) is provided with a high-pressure air pipeline (21), and the high-pressure air pipeline (21) is used for outputting high-pressure air in the air storage tank (20) to other equipment.

5. The supercharging apparatus of an engine according to claim 4, characterized in that: the electronic control system (30) comprises an electronic control assembly (31), a plurality of sensors (32) and a plurality of regulating valves (33), the sensors (32) and the regulating valves (33) are respectively electrically connected with the electronic control assembly (31) and are arranged, the sensors (32) are used for detecting the gas pressure in the gas storage tank (20), and the regulating valves (33) are used for regulating the gas output in the gas storage tank (20).

6. The supercharging apparatus of an engine according to claim 5, characterized in that: the electronic control system (30) further comprises a flow control unit (34) arranged on an oil path (51) of the oil injector (50) and a rail pressure sensor (35) and is used for monitoring and adjusting the oil injection quantity of the oil injector (50).

Technical Field

The invention relates to the technical field of supercharged engines, in particular to a supercharging device of an engine.

Background

An air compressor is a device for providing compressed air, which compresses atmospheric air sucked from the outside through a screw, a piston and other mechanisms, stores the compressed air in a pressure container, and sends the compressed air to a device needing to use the compressed air through a pipeline.

In a traditional supercharged engine, a supercharger is additionally arranged on an exhaust pipe, the exhaust energy of the engine is utilized to drive a turbine, and the turbine drives a compressor to compress and supercharge air and then the air enters an air cylinder. The supercharger system needs to be connected with an air inlet pipe and an air outlet pipe, and meanwhile, the lubrication of the supercharger needs to be considered, so that the cost of the engine is increased, the engine is difficult to arrange, and the use and maintenance cost of the engine is increased.

Disclosure of Invention

The invention aims to solve the technical problems that a supercharged engine in the prior art is difficult to arrange and high in use and maintenance cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a supercharging device of engine, its includes air compression system, gas holder and electrical system, air compression system drives through the engine, the gas holder is used for storing high-pressure gas in the air compression system, the gas holder with the engine intercommunication sets up for to engine output high-pressure gas, electrical system is used for the control gas pressure in the gas holder and adjusts the gas output of gas holder.

Preferably, the air compression system comprises an air compressor and a plurality of air pipelines, the air compressor is driven by an engine, and the output end of the air compressor is connected with the air storage tank through the air pipelines.

Preferably, the air compression system further comprises an air filter and a one-way valve, the air filter is communicated with the input end of the one-way valve and the input end of the air compressor through air pipelines, and the output end of the one-way valve is communicated with the engine.

Preferably, the air storage tank is provided with a high-pressure air pipeline, and the high-pressure air pipeline is used for outputting high-pressure air in the air storage tank to other equipment.

Preferably, the electric control system comprises an electric control assembly, a plurality of sensors and a plurality of regulating valves, the sensors and the regulating valves are respectively electrically connected with the electric control assembly, the sensors are used for detecting the gas pressure in the gas storage tank, and the regulating valves are used for regulating the gas output in the gas storage tank.

Preferably, the electronic control system further comprises a flow control unit and a rail pressure sensor which are arranged on an oil path of the oil injector and used for monitoring and adjusting the oil injection quantity of the oil injector.

The application provides a pair of supercharging device of engine, its high-pressure gas that produces through engine self driven air compressor carries out the pressure boost, compare in traditional exhaust gas turbocharging engine, the booster and the turbocharging system of whole engine have been reduced, the cost of engine is reduced, simultaneously because air compressor can provide the air admission engine cylinder of constant pressure, the shortcoming of turbocharging engine supercharging pressure along with engine speed and load change has been overcome, compare with traditional mechanical type pressure boost, complete set of mechanical type turbocharging system has been saved, greatly reduced the cost, energy recuperate has been realized.

Drawings

Fig. 1 is a schematic structural view of a supercharging device of an engine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a supercharging device of an engine according to an embodiment of the present invention.

Illustration of the drawings: 10. an air compression system; 11. an air filter; 12. a one-way valve; 13. an air compressor; 14. an air duct; 20. a gas storage tank; 21. a high pressure air conduit; 30. an electronic control system; 31. an electronic control assembly; 32. a sensor; 33. adjusting a valve; 40. an engine; 50. an oil injector; 51. an oil passage.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1 and 2, a supercharging apparatus for an engine includes an air compression system 10, an air tank 20, and an electronic control system 30, wherein the air compression system 10 is driven by an engine 40, the air tank 20 is used for storing high-pressure gas in the air compression system 10, the air tank 20 is communicated with the engine 40 and is used for outputting high-pressure gas to the engine 40, and the electronic control system 30 is used for monitoring gas pressure in the air tank 20 and adjusting gas output of the air tank 20.

Referring to fig. 2, in an embodiment, the air compression system 10 includes an air filter 11, a check valve 12, an air compressor 13 and a plurality of air pipelines 14, the air filter 11, the check valve 12 and the air compressor 13 are connected by the air pipelines 14, in an embodiment, the air compressor 13 is driven by the engine 40, the air filter 11 is communicated with an input end of the check valve 12 and an input end of the air compressor 13, an output end of the check valve 12 is communicated with the engine 40, and an output end of the air compressor is communicated with the air tank 20 by the air pipelines 14. Fresh air is divided into two parts after passing through the air filter 11, wherein one part of the fresh air enters the engine 40 through the one-way valve 12 to perform combustion work, the engine 40 starts to work to drive the air compressor 13 to work, after the air compressor 13 works, the air entering the air compressor 13 is compressed to form high-pressure air, the high-pressure air enters the air storage tank 20 through the air pipeline 14, and at the moment, the working state of the engine 40 is the natural air suction type engine 40.

Referring to fig. 2, in an embodiment, two air storage tanks 20 are provided, and an output end of each air storage tank 20 is communicated with the air pipeline 14 at the output end fracture of the check valve 12. The air storage tank 20 is further provided with a high-pressure air pipeline 21, and the high-pressure air pipeline 21 is used for outputting high-pressure air in the air storage tank 20 to other equipment.

Referring to fig. 2, in an embodiment, the electronic control system 30 includes an electronic control component 31, a plurality of sensors 32, and a plurality of regulating valves 33, the sensors 32 and the regulating valves 33 are respectively electrically connected to the electronic control component 31, the sensors 32 are used for monitoring the gas pressure in the gas storage tanks 20, the regulating valves 33 are used for regulating the gas output at the output ends of the gas storage tanks 20, in an embodiment, one of the regulating valves 33 is disposed at the output port of the gas storage tank 20, and the rest of the regulating valves 33 are disposed on the output air pipe 14. In an embodiment, the electronic control system 30 further includes a flow control unit 34 and a rail pressure sensor 35, which are disposed on an oil path 51 of the injector 50, and are used for monitoring and adjusting an injection amount of the injector 50. When the pressure sensor 32 reaches a preset value, the electronic control assembly 31 instructs the regulating valve 33 to open, part of the high-pressure air is introduced into the cylinder of the engine 40, meanwhile, the electronic control assembly 31 adjusts the fuel injection advance angle and the fuel injection pressure of the fuel injector 50 through the pressure and the flow of the high-pressure air, the high-pressure air and the fuel are mixed and combusted to do work, and at the moment, the working state of the engine 40 is changed into the state of supercharging the engine 40.

The application provides a pair of supercharging device of engine, it supercharges through the high-pressure gas that engine 40 self driven air compressor produced, compare in traditional exhaust gas turbocharging engine 40, whole engine 40's booster and supercharging system have been reduced, reduce engine 40's cost, simultaneously because air compressor can provide the air admission engine 40 cylinders of constant pressure, the shortcoming of turbocharging engine 40 supercharging pressure along with engine 40 rotational speed and load change has been overcome, compare with traditional mechanical type pressure boost, the complete set of mechanical type supercharging system has been saved, greatly reduced the cost, energy has been realized and has been retrieved again.

It should be noted that various standard components used in the present invention are commercially available, non-standard components are specially customized, and the connection manner adopted in the present invention, such as bolting, welding, etc., is also a very common means in the mechanical field, and the inventor does not need to describe herein any further.

The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.