WO2018120486A1

WO2018120486A1 - Energy saving and emission reduction device for diesel engine

Info

Publication number: WO2018120486A1
Application number: PCT/CN2017/079217
Authority: WO
Inventors: 徐杰; 田文亮
Original assignee: 徐杰; 田文亮
Priority date: 2016-12-31
Filing date: 2017-04-01
Publication date: 2018-07-05

Abstract

An energy saving and emission reduction device for a diesel engine, comprising a machine shell (4). The machine shell is provided with an ozone generation device and a negative ion generator (12). The ozone generation device and the negative ion generator meet the following condition: for every 100 increase in the horsepower of a diesel engine, the generation amount of ozone of the ozone generation device is increased by 2-4 grams, and the instant generation amount of negative ions of the negative ion generator is increased by 6,000,000-8,000,000 per cubic centimeter. After the energy saving and emission reduction device is mounted, the diesel fuel saving rate of a diesel engine is increased by 15-20%, the exhaust emission is reduced by 70-85%, and the power is improved by one gear level on average.

Description

Energy-saving and emission reduction device for diesel engine

Technical field

The invention relates to a combustion-supporting device for a diesel engine, in particular to an energy-saving and emission-reducing device suitable for a diesel engine.

Background technique

The rapid development of the automobile industry has brought prosperity and convenience to mankind. At the same time, it has brought many problems: the increase in the consumption of petroleum resources has accelerated the depletion of energy; the exhaust of automobiles has caused serious pollution and threatened human health. Therefore, research on improving vehicle fuel efficiency and reducing vehicle emissions is not only economically valuable, but also has broad social value.

The fuel economy has been improved at home and abroad mainly by improving the combustion status of automobile engines. However, since the invention of automobile engines has undergone numerous improvements, it is difficult to make breakthrough improvements in automobile engine combustion technology. At present, scientists at home and abroad are committed to researching the combustion conditions of engines through various means.

Diesel engines have the advantages of high thermal efficiency, good emission performance, and low starting torque. They are widely used in construction machinery. Its economic performance index, that is, the fuel consumption rate, is a major concern of users and manufacturers. At the same time, due to the uneven mixing of oil and gas during the combustion of diesel engines, the particulate matter emissions are high, which causes serious harm to humans and the environment. Therefore, improving the combustion efficiency of diesel engines and reducing harmful gas emissions has become a topic of common concern and key research in the scientific community.

Chinese patent application (Announcement No.: CN104948354A) discloses a new energy-saving and emission-reducing device for internal combustion engines, which solves the problem of high-temperature decomposition of ozone by increasing the temperature control device. It is expected that the lower the temperature, the slower the decomposition of ozone and the better the fuel-saving effect. . However, in practice, when the temperature is relatively low, the amount of ozone generated increases, but the energy saving effect is not good. It has been found that at room temperature, the ozone generating sheet produces about 10 million cubic meters per cubic centimeter, the temperature is below 15 degrees Celsius, and the negative ions generated by the ozone generating sheet are reduced from 10 million cubic meters per cubic centimeter to about 2 million cubic centimeters per cubic centimeter. The decrease in temperature causes the number of negative ions to be generated to decrease, which leads to an increase in the amount of ozone generated but the energy saving effect is not good.

Summary of the invention

In order to solve the above technical problem, the present invention provides an energy-saving and emission-reducing device for a diesel engine, which generates negative ions by adding a negative ion generator, and compensates for a decrease in the number of negative ions generated by the ozone generating sheet at a low temperature, thereby causing a poor fuel-saving effect. The problem, in turn, improves the fuel economy of the diesel engine.

In order to achieve the above object, the present invention adopts the following technical solution: an energy saving and abatement device for a diesel engine, comprising a casing, the casing being internally provided with an ozone generating device and a negative ion generator, the ozone generating device and the The negative ion generator satisfies that, for every 100 increase in the horsepower of the diesel engine, the ozone generating amount of the ozone generating device is increased by 2-4 grams, and the instantaneous generation amount of the negative ions of the negative ion generator is increased by 6 to 8 million pieces per cubic centimeter.

The above energy saving and abatement device for a diesel engine further includes an infrared portion, and the infrared portion is spirally wound around the outer wall of the oil pipe The infrared rubber strip is composed. The infrared rubber strip satisfies that when the horsepower of the diesel engine is below 200, the length of the infrared rubber strip wound around the outer wall of the oil pipe is 56-70 cm along the length of the oil pipe, and when the horsepower of the diesel engine is above 200, the horsepower of the diesel engine is increased by 30, The length of the infrared rubber strip wound around the outer wall of the oil pipe increases by 8-10 cm along the length of the oil pipe.

The energy saving and abatement device for a diesel engine further includes a magnetic buckle, the magnetic buckle is composed of two half shells, and a magnet is disposed in the half shell, and the magnetic buckle is sleeved on the near engine end of the oil pipe Two of the half-shells are fastened to the outer wall of the oil pipe, and the outer sides of the two half-shells are fixed by a stainless steel cable tie; the infrared rubber strip is located inside the magnetic buckle, and one end thereof is close to The end face of the opposite side of the magnetic clasp.

Further, the stainless steel cable tie is detachable.

Further, the half-shell is provided with a receiving cavity, and the magnet is disposed in the accommodating cavity.

Further, an air inlet and an air outlet are provided at both ends of the casing, and the ozone generating device comprises a wind cover upper cover, a wind cover lower cover, an ozone generating sheet, a heat conductive sheet, a fan and a power source, and the package The upper cover of the wind shell and the lower cover of the air-bag are interlocked to form a wind-filled casing, and the wind-seal casing is provided with a heat-conducting sheet and an ozone generating sheet in sequence from top to bottom, and the wind-covering shell is provided with a wind-covered cover a casing air inlet, a fan is disposed on the air inlet of the air casing, and a side of the air bag lower cover adjacent to the air outlet is provided with an air outlet of the air casing; the ozone generating device further includes a control module The control module is located in a control box outside the casing, and is electrically connected to the fan and the ozone generating sheet respectively. The power source is disposed outside the air casing and electrically connected to the control module.

Further, the ozone generating device further comprises a temperature control device, the temperature control device is adjacent to the heat conducting sheet for adjusting the operating temperature of the ozone generating sheet; the temperature controlling device comprises a temperature sensor and a cooling device, and the cooling device is close to the heat conducting device. a sheet for heat exchange with the heat conductive sheet, the temperature sensor being located inside the casing for collecting the temperature of the heat conductive sheet; the temperature sensor being electrically connected to the control module.

Further, the refrigerating device is an electronic refrigerating device, and a top of the upper cover of the air-bag is provided with a square groove, the electronic refrigerating piece is located in the square groove, and the lower side of the electronic refrigerating piece is in contact with the thermal conductive sheet through the metal piece The top of the upper cover (3) of the air envelope is further provided with a heat sink, and the bottom of the heat sink is in contact with the upper side of the electronic refrigeration chip; the electronic refrigeration chip is electrically connected to the control module.

Further, the anode of the negative ion generator is connected to the excitation end of the diesel generator, and the cathode is grounded.

The energy-saving and emission-reducing device of the invention is especially suitable for a diesel engine. The ozone generator generates ozone to increase the amount of ozone, thereby increasing the oxygen content of the air entering the internal combustion engine; the negative ion generator generates negative ions to increase the energy of the air entering the internal combustion engine, and the ozone Decomposition after entering the internal combustion engine also generates a large amount of energy, providing more energy for the compression ignition type diesel engine and shortening the ignition lag period; the infrared rubber strip and the magnetic buckle change the fuel mechanism, so that the fuel combustion is more sufficient. The diesel engine after installing the energy-saving and emission-reducing device can significantly improve the combustion process, significantly shorten the ignition lag period, improve combustion efficiency, and reduce emissions. After the installation of the energy-saving emission reduction device, the fuel economy of the diesel internal combustion engine is increased by 15-20%, and the exhaust emission is reduced by 70-85%. Upgraded a gear.

DRAWINGS

Figure 1 is an exploded view of the ozone generating device and the negative ion generator portion;

2 is a schematic structural view of the upper cover of the air envelope;

3 is a schematic structural view of an infrared rubber strip;

Figure 4 is a schematic view showing the installation of a magnetized portion and an infrared rubber strip;

Figure 5 is a schematic structural view of a stainless steel cable tie;

In the figure: 1-fan; 2-heatsink; 3-clad cover; 4-heat-conducting piece; 5-ozone generating piece; 6-outlet case; 7-power supply; 8--wind cover lower cover; 9-control box; 10-display module; 11-control module; 12-negative ion generator; 13-air inlet cover; 14-case; 15-electronic refrigeration; 16-oil tube; 17-infrared rubber strip 18-magnetic buckle; 19-half-shell; 20-receiving cavity; 21-magnet; 22-stainless steel cable tie.

detailed description

The content of the present invention will be described in detail below in conjunction with specific embodiments:

Example 1

An energy saving and abatement device for a diesel engine, comprising a casing, an ozone generating device and a negative ion generator 12, both of which are disposed inside the casing 14, the ozone generating device and The negative ion generator 12 satisfies that, for every 100 increase in the horsepower of the diesel engine, the ozone generating amount of the ozone generating device is increased by 2-4 grams, and the instantaneous generation amount of the negative ions of the negative ion generator 12 is increased by 6-8 million pieces/ Cubic centimeters. In this embodiment, the ozone generating device and the negative ion generator 12 satisfy that, for every 100 increase in the horsepower of the diesel engine, the ozone generating amount of the ozone generating device is increased by 3 grams, and the negative ion of the negative ion generator 12 The instantaneous production increased by 7 million / cubic centimeter.

The invention solves the problem that the ozone generation amount is increased but the fuel saving effect is not good at a low temperature by providing the ozone generating device and the negative ion generator 12 in the fuel economy device, by adding the negative ion generator 12 in the fuel economy device, At the same time as the amount of ozone increases, the amount of negative ions is increased, so that the fuel-saving effect is greatly increased. Meanwhile, the ozone generating device and the negative ion generator 12 satisfy that, for every 100 increase in the horsepower of the diesel engine, the ozone generating amount of the ozone generating device is increased by 3 grams, and the instantaneous generation amount of the negative ions of the negative ion generator 12 is increased. 7 million / cubic centimeter. At this time, the ratio of ozone amount to negative ion is in an optimal range, so that the fuel economy of the diesel engine is optimized.

An air inlet and an air outlet are provided at both ends of the casing 14. The ozone generating device comprises a wind cover upper cover 3, a wind cover lower cover 8, an ozone generating sheet 5, a heat conducting sheet 4, a fan 1 and a power source 7. The windshield cover 3 and the airbag lower cover 8 are interlocked to form a wind enclosure, and the air jacket is provided with a heat conducting sheet 4 and an ozone generating sheet 5 in order from top to bottom. The upper cover 3 is provided with a wind inlet air inlet, and the air inlet of the air housing is provided with a fan 1 , and the lower cover 8 of the air envelope is close to the air outlet One side of the air outlet is provided with a gas outlet opening, and the air outlet of the air outlet housing is provided with a plurality of air outlets, which are evenly disposed on a side of the air outlet shell lower cover 8 near the air outlet. The negative ion generator 12 is also disposed inside the casing 14. The ozone generating device further includes a control module 11 which is located in the control box 9 outside the casing 14 and electrically connected to the fan 4 and the ozone generating sheet 5, respectively. Connected, the power source 7 is disposed outside the air enclosure and electrically connected to the control module 11. The anode of the negative ion generator 12 is connected to the excitation end of the automobile generator, and the cathode is grounded.

The energy saving and abatement device of the present invention further comprises a temperature control device adjacent to the heat conducting sheet 4 for adjusting the operating temperature of the ozone generating sheet 5; the temperature controlling device comprises a temperature sensor and a refrigerating device, the refrigerating device is close to The heat conducting sheet 4 is used for heat exchange with the heat conducting sheet 4, and the temperature sensor is located inside the casing 14 for collecting the temperature of the heat conducting sheet 4; the temperature sensor is electrically connected to the control module 11. The refrigerating device is an electronic refrigerating device 15, and a top of the air-clad cover 3 is provided with a square groove, the electronic refrigerating piece 15 is located in the square groove, and the lower side of the electronic refrigerating piece 15 passes through the metal piece and the thermal conductive sheet 4. In contact with each other, a heat sink 2 is further disposed on the top of the upper cover 3, and the bottom of the heat sink 2 is in contact with the upper side of the electronic refrigeration chip 15; the electronic refrigeration chip 15 is electrically connected to the control module 11. .

By adding a temperature control device to the position of the heat transfer sheet of the ozone generating sheet in the energy saving and reducing device of the internal combustion engine, the ozone generating sheet is adjusted to operate at a suitable temperature, and the ozone generating sheet can maintain high ozone generating efficiency. The amount of ozone involved in combustion is large. Due to the increase in oxygen content, carbon combustion is sufficient, and the amount of carbon black produced is significantly reduced, achieving environmental protection.

Both ends of the casing 14 are provided with an air outlet casing cover 6 and an air inlet casing cover 13, and the air outlet and the air inlet are respectively located on the air outlet casing cover 6 and the air inlet casing cover 13 The air outlet is provided with a filter. The air inlet casing cover and the air outlet casing cover and the casing are bolted or fastened.

When the power supply bracket is disposed on the left side of the air-filled casing composed of the air-covering upper cover 3 and the air-bag lower cover 8, the wind blower 1 is disposed on the right side of the air-filled casing. Up and on a side corner on the right side of the cover 3 of the windshield. The square groove opened on the upper cover 3 of the air envelope is located between the fan 1 and the power source 7, and the electronic cooling fin 15 is embedded in the square groove. The heat sink 2 is disposed on the upper cover 3 of the air envelope, and is located between the fan 1 and the power source 7. The bottom of the heat sink 2 is in contact with the upper side of the electronic refrigeration chip. At this time, the structure of the ozone generating device is the most compact, and of course, other arrangements can be adopted.

The electronic refrigeration sheet is a semiconductor refrigeration sheet. The semiconductor refrigerating chip has high reliability and is suitable for applications without refrigerant contamination. By using the Peltier effect of the semiconductor material, when the direct current is passed through the galvanic couple of two different semiconductor materials in series, the heat can be absorbed and the heat can be released at both ends of the galvanic couple, and the purpose of cooling can be achieved. It is a refrigeration technology that produces negative thermal resistance, which is characterized by no moving parts and high reliability. The side of the electronic cooling sheet that absorbs heat exchanges heat with the heat conductive sheet through the metal sheet, and the side where the heat is discharged from the electronic cooling sheet transfers heat to the heat sink, and the heat is dissipated by the heat sink. The metal piece is preferably an aluminum piece, and the aluminum piece has good heat conduction performance and low price.

The fan 4 is provided at least one.

The air-shell upper cover 3 and the air-bag lower cover 8 are bolted together to form a wind-filled casing, and the package is made of heat-resistant glue. The interface between the wind cover upper cover 3 and the air envelope lower cover 8 is sealed. It can ensure that the ozone generated by the ozone generating sheet enters the internal combustion engine from the air outlet and does not escape.

The energy saving and abatement device of the diesel engine further includes a display module 10 between the control box 9 and the control module 11, the display module 10 is electrically connected to the control module 11, and the control box 9 has a hollow body, and the hollow portion is provided. Filter. The control box 9 is generally disposed at the top of the casing 14. The four corners of the control device 11 are provided with holes. The top of the casing 14 is correspondingly provided with four columns, and the control device 11 is fixed to the casing through the holes and the column. The top of the 14th. The control box 9 is fixed to the casing 14 by bolts. Further, the control box 9 may be provided at the side of the cabinet 14. The model of the display module 10 is LCD1604.

Example 2

Embodiment 2 adds an infrared portion based on Embodiment 1, and the infrared portion is constituted by an infrared rubber strip 17 spirally wound around the outer wall of the oil pipe 16. The infrared rubber strip 17 satisfies that when the horsepower of the diesel engine is below 200, the length of the infrared rubber strip 17 wound around the outer wall of the oil pipe 16 is 56-70 cm along the length of the oil pipe, and when the horsepower of the diesel engine is above 200, the horsepower of the diesel engine is Increasing by 30, the length of the infrared rubber strip 17 wound around the outer wall of the oil pipe 16 is increased by 8-10 cm along the length of the oil pipe. In practice, the length of an infrared rubber strip is about 9cm, and the infrared rubber strip 17 satisfies. When the horsepower of the diesel engine is below 200, 7 pieces of infrared rubber strip are used, and when the horsepower of the diesel engine is above 200, the horsepower of the diesel engine is Increasing by 30, the infrared rubber strip is increased by one. The infrared rubber strip is composed of an infrared rubber strip with a rubber as a carrier and an infrared nano-mineral material, and is spirally wound around the oil pipe wall, and the manufacturing process is: decomposing the mineral which can generate far infrared into the nanometer. The level of the far-infrared energy radiation is significantly improved, and then the far-infrared nano-mineral is organically mixed with the rubber particles, extruded through a rubber device, and after being shaped at a high temperature, the new infrared nano-rubber strip is obtained. In use, when the fuel enters the engine from the fuel tank through the oil inlet pipe, the oil pipe is activated by the infrared wave penetrating the pipe wall to activate and refine the impurities and separate the impurities, so that the fuel increases the dissolved oxygen rate. It is easier to atomize and ignite.

Example 3

The embodiment 3 adds a magnetic clasp 18 on the basis of the second embodiment. The magnetic clasp 18 is composed of two half-shells 19, and the half-shell 19 is provided with a magnet 21, and the magnetic clasp 18 is sleeved on Near the engine end of the oil pipe 16, two of the half-shells 19 are fastened to the outer wall of the oil pipe 16, and the outer sides of the two half-shells 19 are fixed by a stainless steel cable tie 22; the infrared rubber strip 17 is located on the inner side of the magnetic clasp 18, and one end thereof abuts against the end surface on the opposite side of the magnetic clasp 18. The stainless steel cable tie 22 is detachable. The two half-shells 19 of the magnetic clasp 18 are fixed to the outer wall of the oil pipe 16 by a detachable stainless steel cable tie. Such a design makes the magnetic clasp 18 suitable for different types of oil pipes, and the utility is greatly improved. The housing half is provided with a receiving cavity 20, and the magnet 21 is disposed in the receiving cavity 20. One end of the accommodating cavity 20 is provided with a sealing plastic piece, and the magnet 21 is placed in the accommodating cavity 20, and the sealing plastic piece is mounted. Through the magnetization of the magnetic clasp 18, the structure of the magnetized fuel changes, causing the fuel molecules to crack, the long chain becomes a short chain, the large particles become small particles, and the fuel is changed. The arrangement of the particles causes the particles to be olefinated, the dispersing ability is improved, and the atomization effect is enhanced.

Regarding the calculation of the fuel economy, the fuel economy measured by installing the same fuel saver on different vehicles is different, because the fuel economy effect is also related to the performance, horsepower and various other reasons of the vehicle itself, in the present invention. The obtained fuel economy rate is obtained by comprehensive statistics of different models and different old and new vehicles. It is an average value and has universal representation.

It has been determined that if only the negative ion generator is installed, the average fuel economy is 4%, and if only the ozone generator is installed, the average fuel economy is 3.5%; at the same time, the fuel saver of the negative ion generator and the ozone generator is installed, and The ratio of negative ions to ozone is adjusted to an appropriate range, and the average fuel economy is 7%-8%. It can be seen that when the negative ion and the ozone are optimally matched, the fuel-saving effect is higher than that of the fuel-saving device in which only the negative ion generation or the ozone generating device is separately installed.

It has been measured that an oil-saving device with a negative ion generator and an ozone generating device is installed, and the ratio of negative ions and ozone is adjusted to an appropriate range, and the average fuel saving is 7%-8%, and an infrared rubber strip is installed at the same time. The fuel saver of the magnetic buckle has an average fuel economy of 5%-10%, and the fuel economy of the negative ion generator, the ozone generator, the infrared rubber strip and the magnetic buckle is installed, and the fuel economy can reach 15%-20%. When the fuel-saving device contains both an ozone generator and a negative ion generator, and an infrared rubber strip and a magnetic buckle, the structure of the fuel changes, the atomization effect is good, and the air contains high energy and oxygen. At this point, both the fuel and the air have reached an optimum state, and the combustion effect is better.

The following is a part of the data in the actual statistics for explaining the effects of the energy saving and reducing device of the third embodiment in detail.

Fuel saving effect

Test conclusion: The above data verified the effect of the average fuel consumption of the energy-saving emission reduction device after the installation decreased by 17.6%.

2. Exhaust emissions

Test conclusion: The above data verified the effect of an average reduction of exhaust emissions of the diesel engine by 75.3% after the installation of the fuel saver.

3. Power improvement

Test conclusion: The above data verified the efficiency of the diesel engine in increasing the power output by one gear after installing the fuel saver.

In summary, after the installation of the energy-saving emission reduction device, the fuel economy of the diesel internal combustion engine reaches 15-20%, the exhaust emission is reduced by 70-85%, and the power is increased by one gear.

Claims

An energy saving and abatement device for a diesel engine, comprising: a casing (14), wherein the casing (14) is internally provided with an ozone generating device and a negative ion generator (12), the ozone generating device and the The negative ion generator (12) satisfies that, for every 100 increase in the horsepower of the diesel engine, the ozone generating amount of the ozone generating device is increased by 2-4 grams, and the instantaneous generation amount of the negative ions of the negative ion generator (12) is increased by 600-800. Ten thousand cubic centimeters.
The energy saving and emission reducing device for a diesel engine according to claim 1, further comprising an infrared portion, the infrared portion being constituted by an infrared rubber strip (17) spirally wound around an outer wall of the oil pipe (16).
The energy-saving and emission-reducing device for a diesel engine according to claim 2, wherein the infrared rubber strip (17) satisfies that when the horsepower of the diesel engine is below 200, the infrared rubber strip (17) is wound around the oil pipe ( 16) The length of the outer wall is 56-70cm along the length of the tubing. When the horsepower of the diesel engine is above 200, the horsepower of the diesel engine is increased by 30. The length of the infrared rubber strip (17) wrapped around the outer wall of the oil pipe (16) is along the length of the tubing. Increase 8-10cm.
The energy-saving and emission-reducing device for a diesel engine according to claim 2 or 3, characterized in that it further comprises a magnetic clasp (18), the magnetic clasp (18) being composed of two half-shells (19), A magnet (21) is disposed in the half casing (19), the magnetic buckle (18) is sleeved on the near engine end of the oil pipe (16), and the two half casings (19) are interlocked with each other. On the outer wall of the oil pipe (16), the outer sides of the two half shells (19) are fixed by a stainless steel cable tie (22); the infrared rubber strip (17) is located inside the magnetic buckle (18), and one end thereof It abuts against the end face on the opposite side of the magnetic clasp (18).
The energy saving and emission reducing device for a diesel engine according to claim 4, characterized in that the stainless steel cable tie (22) is detachable.
The energy-saving and emission-reducing device for a diesel engine according to claim 4, characterized in that: the half-shell (19) is provided with a accommodating cavity (20), and the magnet (21) is disposed in the accommodating cavity ( 20) inside.
The energy-saving and emission-reducing device for a diesel engine according to claim 1, wherein an air inlet and an air outlet are provided at both ends of the casing (14), and the ozone generating device comprises an upper cover of the wind-covered casing ( 3), the wind cover lower cover (8), the ozone generating sheet (5), the heat conductive sheet (4), the fan (1) and the power source (7), the wind cover upper cover (3) and the wind cover The cover (8) is interlocked to form a wind-filled casing, and the wind-seal casing is provided with a heat-conducting sheet (4) and an ozone generating sheet (5) in order from top to bottom, and the wind-covering shell upper cover (3) is arranged There is a bellows housing air inlet, a fan (1) is disposed on the air inlet of the air casing, and an air outlet of the air casing is disposed on a side of the airbag lower cover (8) near the air outlet; The ozone generating device further includes a control module (11), the control module (11) is located in a control box (9) outside the casing (14), and is electrically connected to the fan (1) and the ozone generating sheet (5), respectively. The power source (7) is disposed outside the air enclosure and electrically connected to the control module (11).
The energy saving and abatement device for a diesel engine according to claim 7, wherein the ozone generating device further comprises a temperature control device, and the temperature control device is adjacent to the heat conducting sheet (4) for adjusting the ozone generating sheet (5). Operating temperature; the temperature control device comprises a temperature sensor and a refrigerating device, the refrigerating device being close to the thermal conductive sheet (4) for use with the thermal conductive sheet (4) Heat exchange is performed, the temperature sensor being located inside the casing (12) for collecting the temperature of the heat conducting sheet (4); the temperature sensor being electrically connected to the control module (11).
The energy-saving and emission-reducing device for a diesel engine according to claim 8, wherein the refrigerating device is an electronic refrigerating piece (15), and a top of the air-covering upper cover (3) is provided with a square groove. The electronic refrigeration chip (15) is located in a square slot, and the lower side of the electronic refrigeration chip (15) is in contact with the thermal conductive sheet (4) through a metal piece, and a heat sink is further disposed on the top of the upper cover (3). (2) The bottom of the heat sink (2) is in contact with the upper side of the electronic refrigeration chip (15); the electronic refrigeration chip (15) is electrically connected to the control module (11).
The energy saving and abatement device for a diesel engine according to claim 1, characterized in that the anode of the negative ion generator (12) is connected to the excitation end of the diesel generator and the cathode is grounded.