Internal combustion engine combustion-supporting system based on dielectric barrier discharge principle

Abstract

The invention discloses an internal combustion engine combustion-supporting system based on a dielectric barrier discharge principle, and mainly relates to energy conservation of internal combustion engines. Comprising a shell, and an ozone generation unit, a high-voltage driving module and a control module which are arranged in the shell, the ozone generating unit is connected with the high-voltage driving module and comprises two connecting plates and a plurality of ozone generating pieces which are arranged in a staggered manner; the ozone generating part comprises a connecting shaft of which the two ends are connected with the connecting plate, an insulating tube which is sleeved with the connecting shaft, a silk screen which is sleeved on the outer side of the insulating tube, and a rubber pad which is arranged between the connecting plate and the contact surface of the insulating tube. The oil-saving combustion-supporting device has the beneficial effects that the oil-saving combustion-supporting device is used for providing a combustion-supporting effect for combustion of an internal combustion engine, so that the oil-saving purpose is achieved. The ozone generation efficiency is higher, the ozone generation efficiency is constant, and the situation that the ozone generation efficiency floats due to the change of the input voltage is avoided. The device can adapt to a severe environment, is not affected by dust and oil stains, and is high in intelligent degree.

Description

Technical Field

[0001] The invention relates to the field of energy saving of internal combustion engines, and in particular to a combustion-supporting system of an internal combustion engine based on the dielectric barrier discharge principle. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] As a driving component of a variety of power equipment, the internal combustion engine can be applied to multiple equipment fields. It is a thermal engine that burns fuel inside the machine and converts the heat energy it releases directly into power. The most common ones are diesel engines and gasoline engines. It converts internal energy into mechanical energy and changes internal energy by doing work. However, there is a problem that cannot be ignored in the internal combustion engine: when the fuel inside the internal combustion engine burns and does work, it consumes a lot of oxygen. However, when the internal combustion engine is driven from low power to high power by pressing the accelerator, the amount of fuel injection and oxygen consumption increase simultaneously. However, due to the insufficient intake volume inside the internal combustion engine, black smoke will appear when the exhaust gas is discharged. The carbon monoxide and nitrogen oxides in the black smoke cause environmental pollution. At the same time, there will be insufficient power and high fuel consumption. For this reason, it is necessary to use an internal combustion engine combustion-aiding device to improve the fuel efficiency of the internal combustion engine so that the fuel inside the internal combustion engine can be fully burned when it burns.

[0004] The existing combustion-supporting device for internal combustion engines supports combustion of internal combustion engines by generating ozone. The applicant has previously applied for an invention patent application numbered CN2023105614102. The patent name is an energy-saving system and method for internal combustion engines based on the principle of corona discharge. This application generates ozone by ionizing air according to the principle of corona discharge. After high voltage is energized, the air between it and the negative electrode connector is ionized by an ozone generating sheet with a tip. The oxygen molecules in the air are excited by collision with electrons accelerated by the electric field and dissociated into oxygen atoms. The generated oxygen atoms or ions collide with oxygen molecules to generate ozone. The above device has a disadvantage in actual use. The spacing between the ozone generating sheet on the positive electrode connector and the negative electrode connector is fixed. The radius of the negative electrode connector is used to establish the gap distance for breaking through the air. Therefore, when a small amount of dust in the air enters the space between the two, the gap distance will be reduced, resulting in a short circuit and an arc, which reduces the ozone production. This means that the above device must be equipped with an air filter when in use, and in harsh environments, such as the northwest region (dusty and sandy environment) and fishing boats at sea, the device is prone to frequent damage and fault warnings, affecting the user's final experience. In addition, for the above device, its use environment is harsh and the ozone production is limited, and there is still room for improvement in fuel saving efficiency.

[0005] Existing combustion-supporting devices for internal combustion engines all rely on batteries for power supply. During the use of the battery, as the power level changes, its voltage will also change. The input voltage of the combustion-supporting device for the internal combustion engine is a fluctuating value rather than a constant value. This results in the output voltage being affected by the fluctuation value of the input voltage when powered by the battery, which will cause the output voltage and output power to be unstable, and the output power cannot always be kept at the maximum value. Therefore, based on the above reasons, the product needs to be further improved. Summary of the invention

[0006] The purpose of the present invention is to provide an internal combustion engine combustion-supporting system based on the dielectric barrier discharge principle, which is used in internal combustion machinery to provide a combustion-supporting effect for the combustion of the internal combustion engine, thereby achieving the purpose of saving fuel. The ozone generation efficiency of the present application is higher, the ozone generation efficiency is constant, and it will not be affected by changes in input voltage, resulting in fluctuations in the ozone generation efficiency. It can adapt to harsh environments and is not affected by dust and oil stains. The device can select an ozone generation amount that matches the use requirements according to the equipment used. The device has a high degree of intelligence and can monitor the status of each component inside the shell in real time, so as to facilitate timely maintenance and replacement when a fault occurs.

[0007] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0008] An internal combustion engine combustion-supporting system based on the dielectric barrier discharge principle comprises a housing, an ozone generating unit arranged in the housing, a high-voltage drive module and a control module;

[0009] An air inlet and an air outlet are provided in the shell, the ozone generating unit is connected to the high-voltage driving module, and the ozone generating unit includes two connecting plates and a plurality of ozone generating parts arranged in a staggered manner;

[0010] The ozone generating element comprises a connecting shaft with both ends connected to the connecting plate, an insulating tube sleeved with the connecting shaft, a wire mesh sleeved on the outside of the insulating tube, and a rubber pad arranged between the contact surface of the connecting plate and the insulating tube;

[0011] The high-voltage driving module includes a boost module, a power stabilization module, a TVS module, a temperature sensor connected to the boost module, a fan, and a fault detection module for monitoring the state of the ozone generating component; one end of the boost module is connected to the connection plate, and the other end of the boost module is connected to the wire mesh outside each insulating tube. After the boost module inverts and boosts the input voltage, it provides the ozone generating unit with the high-voltage power required to generate ozone. The TVS module is used to protect the electronic components in the circuit from breakdown. The power stabilization module acts on the boost module so that the boost module is not affected by the input voltage and always maintains the maximum output power.

[0012] The main control module is provided with a temperature sensor, a humidity sensor, a dust concentration sensor and a communication module. The temperature sensor, the humidity sensor and the dust concentration sensor are all used to monitor the condition of the gas in the shell.

[0013] A tin paper layer is also provided between the connecting shaft and the insulating tube.

[0014] The number of the boost modules matches the number of the ozone generating units.

[0015] An air filter element is arranged in the air inlet of the shell, an exhaust fan is arranged at the air outlet of the shell, and the exhaust fan is provided with a feedback unit.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. Used in internal combustion machinery to provide a combustion-supporting effect for the combustion of the internal combustion engine, thereby achieving the purpose of saving fuel. The ozone generation efficiency of the present application is higher, and the ozone generation efficiency is constant, and will not be affected by changes in input voltage, causing the ozone generation efficiency to fluctuate. It can adapt to harsh environments and is not affected by dust and oil. The device can select the ozone generation amount that matches the use requirements according to the equipment used. The device has a high degree of intelligence and can monitor the status of each component inside the shell in real time, so as to facilitate timely maintenance and replacement when a fault occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Attached Figure 1 It is a connection diagram of the air intake pipeline of the internal combustion engine of the device of the present invention.

[0019] Attached Figure 2 It is an overall view of the device in the present invention.

[0020] Attached Figure 3 It is a schematic diagram of the power supply effect in the present invention.

[0021] Attached Figure 4 It is a schematic diagram of the ozone generating unit in the present invention.

[0022] Attached Figure 5 It is a circuit diagram of the present invention.

[0023] Attached Figure 6 It is a circuit diagram of the present invention.

[0024] Attached Figure 7 It is a circuit diagram of the present invention.

[0025] Attached Figure 8 It is a circuit diagram of the present invention.

[0026] Numbers shown in the accompanying drawings:

[0027] 1. Shell; 2. Air inlet; 3. Air outlet; 4. Connecting plate; 5. Connecting shaft; 6. Insulating tube; 7. Silk screen; 8. Rubber pad; 9. Boost module. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the application equally.

[0029] The present invention is an internal combustion engine combustion-supporting system based on the dielectric barrier discharge principle, the main structure of which includes a housing 1, an ozone generating unit arranged in the housing 1, a high-voltage drive module and a control module;

[0030] As shown in the attached figure of the instruction manual Figure 3 and Figure 4 As shown, the ozone generating unit is connected to the high-voltage driving module, and the ozone generating unit includes two connecting plates 4, a plurality of ozone generating parts arranged in a staggered manner, and the ozone generating parts include a connecting shaft 5 connected to the connecting plates 4 at both ends, an insulating tube 6 sleeved on the connecting shaft 5, a wire mesh 7 sleeved on the outside of the insulating tube 6, and a rubber pad 8 arranged between the contact surfaces of the connecting plates 4 and the insulating tube 6;

[0031] The connecting shaft 5 is a screw with threads at both ends and a smooth shaft in the middle. The screws and nuts at both ends are fixed to the connecting plate 4 through threaded connection. The insulating tube 6 is sleeved on the smooth section of the connecting shaft 5. The insulating tube 6 is a quartz tube. The quartz tube serves as an insulating medium to block the discharge channel that penetrates the air gap.

[0032] The principle of the device is mainly to ionize air and produce ozone through dielectric barrier discharge. Dielectric barrier discharge is a non-equilibrium gas discharge with an insulating medium inserted into the discharge space, also known as dielectric barrier corona discharge or silent discharge. In the discharge process of the two electrodes (screen 7 and connecting shaft 5), if there is only air in the middle without dielectric barrier, the air electrolysis will directly conduct to produce arc, and the electric energy will be converted into light energy and heat energy. If a dielectric (insulating tube 6) is added between the two electrodes to block the direct conduction of the two electrodes in the air, a discharge corona will be generated on the surface of the medium. At this time, high-energy ions will decompose oxygen molecules in the air into oxygen atoms in the medium surface space, and then recombined into ozone molecules, greatly improving the efficiency of ozone generation. This dielectric barrier discharge driven by high voltage has become a common application mode of ozone generators. By high-frequency driving circuits, the discharge efficiency is increased and the ozone generation efficiency is improved. Compared with the products in the background technology, this type of product has a higher efficiency in ionizing air to produce ozone, and has lower environmental requirements and stronger adaptability. It will not cause product arcing due to impurities such as dust and oil in the environment, which will lead to frequent product failures. Compared with the ozone generation efficiency of the product in the background technology, the ozone generation efficiency of this product is higher. The number of ozone generation components in the negative electrode generating part of the original product is limited, and the ozone generation efficiency of the original product is affected by the air intake volume in the negative electrode generating part, which will lead to the ozone generation of the original product being limited. For this product, multiple ozone generating units can be set on one product according to the use requirements. Each ozone generating unit will ionize the air around the wire mesh 7, so this product is less restricted, and the number of ozone generating units can be increased or decreased according to the needs of the product. Because the ozone generating part needs to ionize the air when generating ozone, multiple ozone generating parts need to be staggered when they are set, and the setting space is reasonably allocated to maximize the ionization efficiency.

[0033] Since the connecting shaft 5 has threads, its diameter is not an integer during processing, but needs to be adapted to the diameter during processing of the threads. Therefore, there is an error between the outer diameter of the connecting shaft 5 and the inner diameter of the quartz tube, which cannot achieve precise matching, and will cause the gap between the connecting shaft 5 and the screen 7 outside the blocking medium to be uneven, thereby making the field strength between the connecting shaft 5 and the screen 7 uneven, thereby affecting the ozone generation efficiency. In order to solve the above problem, a tin foil layer is also provided between the connecting shaft 5 and the insulating tube 6. During production, the tin foil is cut according to its specifications and rolled on the connecting shaft 5. The tin foil layer is used to increase the diameter of the connecting shaft 5, so that the outer diameter of the connecting shaft 5 is adapted to the inner diameter of the insulating tube 6, and the gap between the connecting shaft 5 and the screen 7 is uniform, and the field strength formed is uniform and dense, and the ionization air efficiency is higher, thereby increasing the amount of ozone generated. It can also prevent the insulating tube 6 from colliding with the connecting shaft 5 when the equipment is vibrated, causing the insulating tube 6 to break and crack. For the insulating tube 6, burrs will appear at both ends of the insulating tube 6 during processing and cutting, and arcing will occur after a high-voltage power supply is passed and it contacts the connecting plate 4. When the insulating tube 6 is broken and cracked, it will cause a short circuit between the connecting shaft 5 and the outer wire mesh 7, which will also cause arcing. In order to limit and buffer the insulating tube 6 and separate the two ends of the insulating tube 6 from the connecting plate 4, a rubber pad 8 is provided between the contact surface of the connecting plate 4 and the insulating tube 6.

[0034] The reaction condition of the ozone generating unit to ionize the air to generate ozone is high voltage, so a high voltage driving module is required to increase the voltage. The high voltage driving module includes a boost module 9, a power stabilization module, a TVS module, a temperature sensor connected to the boost module 9, a fan, and a fault detection module for monitoring the status of the ozone generating unit.

[0035] One end of the boost module 9 is connected to the connecting plate 4, and the other end of the boost module is connected to the wire mesh 7 on the outside of each insulating tube 6. The boost module 9 is a high-voltage transformer. The boost module 9 increases the input battery voltage from 22V-32V to 5-6kV by inversion, and then outputs the increased voltage to the ozone generating unit to provide it with the high-voltage power supply required to generate ozone. When some large internal combustion engine equipment requires higher ozone to support combustion, multiple ozone generating units will be provided inside the device, and each ozone generating unit needs to be provided with a separate boost module 9, so the number of boost modules 9 should be compatible with the number of ozone generating units. Since the boost module 9 generates heat during long-term operation, in order to avoid damage to other electronic components caused by overheating, each boost module 9 is provided with a temperature sensor.

[0036] For the fault detection module, the main purpose is to monitor the status of the insulating parts. When the insulating parts are subjected to equipment vibration and impact, causing the insulating parts to break or crack, arcing will occur, and after arcing, fire is likely to occur, so real-time monitoring is carried out through the fault detection feedback circuit.

[0037] Since the device is powered by the battery of the internal combustion engine, but the battery voltage will change with the change of power during use, so the input voltage above is a fluctuating value rather than a constant value. This causes the output voltage of the device to be affected by the fluctuation of the input voltage when it is powered by the battery, which will cause the output voltage and output power to be unstable, thus affecting the ozone generation efficiency. Therefore, further improvements are made:

[0038] The circuit is equipped with a TVS module and a power stabilization module. The TVS module is a transient voltage suppression diode. When the two ends of the TVS tube are subjected to a momentary high-energy impact, it can suddenly reduce its impedance at a very high speed, while absorbing a large current, clamping the voltage between its two ends to a predetermined value, thereby ensuring that the subsequent circuit components are protected from damage by the impact of transient high energy, and then used to protect other electronic components in the circuit. The power stabilization module is a DC-DC converter. The working principle of the DC-DC converter mainly relies on switching power supply technology. It uses switching devices such as MOSFET or transistors to periodically control the switching of these devices to achieve pulse modulation of the input voltage, thereby realizing voltage conversion and automatic voltage stabilization functions. Specifically, the DC-DC converter stores the input electrical energy in a capacitor or inductor through high-frequency switching action. When the high-frequency switch is disconnected, the stored electrical energy is output again to provide a preset voltage and current, so that the input voltage is always a constant value, and will not be affected by the battery power, and always maintains the maximum output power.

[0039] The high-voltage drive module described above mainly acts on the ozone generating unit as a whole. The ozone generating unit and the high-voltage drive module as a whole are placed inside the housing 1, as shown in the accompanying drawings of the specification. Figure 1 and Figure 2As shown, the housing 1 is provided with an air inlet 2 and an air outlet 3. The air enters the housing 1 after being filtered through the air inlet 2. The air inlet 2 of the housing 1 is provided with an air filter element, and the air outlet 3 of the housing 1 is provided with an exhaust fan; the air filter element is arranged in multiple stages to filter out dust and impurities in the air. The fan described above is used to blow the generated ozone out from the vicinity of the ozone generator, and then blow the ozone to the intake pipe of the internal combustion engine through the exhaust fan to assist the combustion of the internal combustion engine. Since the exhaust fan blows the ozone to the intake pipe of the internal combustion engine, once a fault occurs, the combustion efficiency of the internal combustion engine will be reduced, so the exhaust fan is provided with a feedback unit, through which the speed of the exhaust fan and the working status of the exhaust fan can be viewed in real time. In places with relatively large dust, the air filter element is easy to be blocked, and the exhaust fan speed will be reduced after blocking. Therefore, the working condition of the air filter element can also be indirectly judged by the exhaust fan speed, so as to judge whether the air filter element needs to be replaced.

[0040] In order to monitor the internal environmental status of the housing 1, the main control module is provided with a temperature sensor, a humidity sensor, a dust concentration sensor and a communication module, and the temperature sensor, humidity sensor and dust concentration sensor are used to monitor the temperature, humidity and dust concentration of the airflow in the housing 1. The device information can be transmitted to the background terminal in real time through the communication module, and the device can be started and stopped through the background terminal.

[0041] In summary, the device is used in internal combustion machinery to provide a combustion-supporting effect for the combustion of the internal combustion engine, thereby achieving the purpose of saving fuel. The ozone generation efficiency of the present application is higher, and the ozone generation efficiency is constant, and will not be affected by changes in input voltage, causing the ozone generation efficiency to fluctuate. It can adapt to harsh environments and is not affected by dust and oil stains. The device can select the ozone generation amount that matches the use requirements according to the equipment used. The device has a high degree of intelligence and can monitor the status of each component inside the housing 1 in real time, so as to facilitate timely maintenance and replacement when a fault occurs.

Claims

1. An internal combustion engine combustion-supporting system based on the dielectric barrier discharge principle, characterized in that: It comprises a housing (1), an ozone generating unit arranged in the housing (1), a high-voltage driving module and a control module; The housing (1) is provided with an air inlet (2) and an air outlet (3); the ozone generating unit is connected to a high-voltage driving module; the ozone generating unit comprises two connecting plates (4) and a plurality of ozone generating components arranged in a staggered manner; The ozone generating element comprises a connecting shaft (5) connected to a connecting plate (4) at both ends, an insulating tube (6) sleeved on the connecting shaft (5), a wire mesh (7) sleeved on the outside of the insulating tube (6), and a rubber pad (8) arranged between the contact surfaces of the connecting plate (4) and the insulating tube (6); The high-voltage driving module comprises a boost module (9), a power stabilization module, a TVS module, a temperature sensor connected to the boost module (9), a fan, and a fault detection module for monitoring the state of an ozone generating component; One end of the boost module (9) is connected to the connection plate (4), and the other end of the boost module is connected to the wire mesh (7) outside each insulating tube (6). After the boost module (9) inverts and boosts the input voltage, it provides the ozone generating unit with a high-voltage power supply required for generating ozone. The TVS module is used to protect the electronic components in the circuit from breakdown. The power stabilization module acts on the boost module (9) so that the boost module (9) is not affected by the input voltage and always maintains the maximum output power. The main control module is provided with a temperature sensor, a humidity sensor, a dust concentration sensor and a communication module, and the temperature sensor, the humidity sensor and the dust concentration sensor are all used to monitor the condition of the gas in the shell (1).

2. The internal combustion engine combustion-supporting system based on the dielectric barrier discharge principle according to claim 1 is characterized in that: A tin foil layer is also provided between the connecting shaft (5) and the insulating tube (6).

3. The internal combustion engine combustion-supporting system based on the dielectric barrier discharge principle according to claim 1 is characterized in that: The number of the boost modules (9) matches the number of the ozone generating units.

4. The internal combustion engine combustion-supporting system based on the dielectric barrier discharge principle according to claim 1 is characterized in that: An air filter element is arranged in the air inlet (2) of the housing (1), and an exhaust fan is arranged at the air outlet (3) of the housing (1), wherein the exhaust fan has a feedback unit.

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