CN113446143A - Low-temperature auxiliary heating starting device of explosion-proof diesel engine for coal mine - Google Patents
Low-temperature auxiliary heating starting device of explosion-proof diesel engine for coal mine Download PDFInfo
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- CN113446143A CN113446143A CN202110812861.XA CN202110812861A CN113446143A CN 113446143 A CN113446143 A CN 113446143A CN 202110812861 A CN202110812861 A CN 202110812861A CN 113446143 A CN113446143 A CN 113446143A
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- temperature
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- auxiliary heating
- engine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
- F01M5/021—Conditioning lubricant for aiding engine starting, e.g. heating by heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/13—Combustion air
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention belongs to the technical field of starting assistance of an explosion-proof diesel engine; the underground coal mine auxiliary transportation system uses explosion-proof diesel vehicles, the starting is difficult due to low outdoor temperature in winter, and an explosion-proof engine is often selected to run all night, so that not only is the resource waste caused, but also the engine is in an unsupervised state, and a large potential safety hazard exists; the invention provides a low-temperature auxiliary heating starting device of an explosion-proof diesel engine for a coal mine, which is characterized in that a low-temperature air auxiliary heating device is added behind an air inlet fence to improve the temperature of fuel oil mixed gas, a low-temperature engine oil auxiliary heating device is added at an oil pan, and two auxiliary heating devices are controlled by an ECU (electronic control unit) device, so that the resistance of each friction pair in the diesel engine is reduced, the starting performance of the explosion-proof diesel engine is improved, the waste of diesel oil running all night of the explosion-proof diesel engine is reduced, and the safety management of the coal mine is improved.
Description
Technical Field
The invention relates to the technical field of low-temperature starting of explosion-proof diesel engines, in particular to a low-temperature auxiliary heating starting device of an explosion-proof diesel engine for a coal mine.
Background
The working environment of an explosion-proof diesel engine vehicle used in an underground coal mine auxiliary transportation system is very severe, coal mines are concentrated in northern areas such as inner Mongolia, northern Shaanxi, Shanxi and the like, the outdoor temperature is low in winter, the explosion-proof diesel engine is very difficult to start, some coal mine explosion-proof vehicles are often not stopped at night in winter, the difficult situation when starting on the next day is avoided, the whole explosion-proof engine at night is in a working state, not only is the resource waste caused, but also the whole vehicle engine at night is in an unsupervised state, and the explosion-proof diesel engine is one of dangerous factors for coal mine safety production.
The production unit of the later-stage part of the explosion-proof vehicle applies the ground glow plug technology to the explosion-proof diesel engine, the glow plug explosion-proof rubber seal is processed and fastened in a combustion chamber, the glow plug is electrically heated to mix gas in advance when the engine is started, and the cold start of the explosion-proof engine is further improved by the application of the technology. However, problems arise over time, such as: the head of the glow plug often falls, the fallen alloy trivial details enter a combustion chamber, along with the up-and-down movement of the piston, the alloy trivial details often rub a cylinder sleeve, harsh sound is generated, and some even cause the cylinder sleeve to be pulled to cause severe faults of damage of an explosion-proof engine, so that the ground glow plug technology has certain danger when being applied to the underground coal mine.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a low-temperature auxiliary heating starting device of an explosion-proof diesel engine for a coal mine, which is mainly used for solving the problem that the explosion-proof engine is difficult to start under the low-temperature condition in winter.
In order to achieve the purpose, the invention provides the following technical scheme:
a low-temperature auxiliary heating starting device of an explosion-proof diesel engine for a coal mine comprises the explosion-proof diesel engine, wherein a low-temperature air auxiliary heating device for heating fresh air is added behind an air inlet fence of an air inlet system of the explosion-proof diesel engine, and the fresh air passing through the low-temperature air auxiliary heating device is mixed with diesel oil to improve the temperature of fuel oil mixed gas; a low-temperature engine oil auxiliary heating device for heating engine oil is additionally arranged on an oil pan of a lubricating system of the explosion-proof diesel engine, and the heated engine oil provides lubricating engine oil for a friction part of an engine of the explosion-proof diesel engine through an engine oil pump.
Furthermore, the low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device are controlled to be opened and closed through the ECU device, and the low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device are powered through a battery or an explosion-proof generator.
Further, the low-temperature air auxiliary heating device comprises an air heater and an air temperature sensor, the air heater is arranged in the air inlet pipe, and two ends of the air heater are respectively connected with two terminals of a first output power supply control end of the ECU device through horn nozzles; and the signal output end of the air temperature sensor is connected with a first signal input end of the ECU device through a horn nozzle.
Furthermore, the connecting terminals of the air heater and the temperature sensor are arranged in the first electrical appliance explosion-proof box.
Further, the low-temperature air auxiliary heating device further comprises a rotating speed sensor for detecting the engine, and a signal output end of the rotating speed sensor is connected with a third signal input end of the ECU device.
Furthermore, the low-temperature engine oil auxiliary heating device comprises an engine oil heater and an engine oil temperature sensor, the engine oil heater is arranged in an explosion-proof engine oil sump, and two ends of the engine oil heater are respectively connected with two terminals of a second output power supply control end of the ECU device through horn mouths; and the signal output end of the engine oil temperature sensor is connected with a second signal input end of the ECU device.
Furthermore, the connection terminals of the engine oil heater and the engine oil temperature sensor are arranged in the explosion-proof box of the second electrical appliance.
In conclusion, the invention has the following beneficial effects:
the invention is mainly used for the technical solution that the low-temperature starting of the explosion-proof engine for the coal mine is difficult in winter, the temperature of the morning in winter in the northern area is lower, and the explosion-proof diesel engine is difficult to start at low temperature frequently, the invention provides a low-temperature auxiliary heating starting device of the explosion-proof diesel engine, which can provide heat for the diesel air mixer of the explosion-proof diesel engine and improve the temperature of the oil-gas mixer according to the parameters of the air inlet temperature of the explosion-proof diesel engine, the outside room temperature, the temperature of a fuel tank, the rotating speed of the diesel engine during starting, the actual engine oil temperature and the like; the invention can provide energy for engine oil, improve the temperature of the engine oil, reduce the resistance of each friction pair in the diesel engine, improve the starting performance of the explosion-proof diesel engine, reduce the waste of diesel oil in the past when the explosion-proof diesel engine runs all night, and improve the safety management of a coal mine.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic block diagram of the present invention.
In the figure: the system comprises a horn nozzle 1, an air heater 2, an air temperature sensor 3, an electric appliance explosion-proof box 4, a first electric appliance explosion-proof box 5, an air inlet pipe 6, an air inlet fence 7, an ECU device 7, a battery 8, a second electric appliance explosion-proof box 9, an engine oil heater 10, an engine oil temperature sensor 11, an explosion-proof engine oil bottom shell 12 and a rotating speed sensor 13.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the invention discloses a low-temperature auxiliary heating starting device of an explosion-proof diesel engine for a coal mine, which is used for auxiliary heating of air and engine oil when the explosion-proof diesel engine is started under the low-temperature condition in winter, so as to solve the problem that the explosion-proof diesel engine is difficult to start under the low-temperature condition, and comprises the explosion-proof diesel engine, wherein a low-temperature air auxiliary heating device for heating fresh air is added behind an air inlet fence of an air inlet system of the explosion-proof diesel engine, the fresh air passing through the low-temperature air auxiliary heating device is mixed with diesel oil to improve the temperature of fuel oil mixed gas, and the mixed gas is easy to burn in a cylinder; the low-temperature air auxiliary heating device comprises an air heater 2 and an air temperature sensor 3, wherein the air heater 2 is arranged in an air inlet pipe 5, and two ends of the air heater 2 are respectively connected with two terminals of a first output power supply control end of an ECU device 7 (electronic control unit) through a horn nozzle 1; the signal output end of the air temperature sensor 3 is connected with the first signal input end of the ECU device 7 through the horn nozzle 1; the connecting terminals of the air heater 2 and the temperature sensor 3 are arranged in the explosion-proof box 4 of the first electrical appliance, and the auxiliary heating device is arranged in the explosion-proof box, so that the damage of the underground explosive environment to the auxiliary heating device is effectively avoided. The low-temperature air auxiliary heating device further comprises a rotating speed sensor 13 used for detecting the engine, a signal output end of the rotating speed sensor 13 is connected with a third signal input end of the ECU device 7, the rotating speed sensor 13 is used for detecting the rotating speed of the engine, fresh air required by the engine is increased along with the increase of the rotating speed, and the heat provided by the heating device is increased along with the increase of the heat.
A low-temperature engine oil auxiliary heating device for heating engine oil is additionally arranged on an oil pan of a lubricating system of the explosion-proof diesel engine, the heated engine oil has stronger fluidity, and lubricating engine oil is provided for friction parts of an engine of the explosion-proof diesel engine through an engine oil pump. The low-temperature engine oil auxiliary heating device comprises an engine oil heater 10 and an engine oil temperature sensor 11, wherein the engine oil heater 10 is arranged in an explosion-proof engine oil sump 12, two ends of the engine oil heater 10 are respectively connected with two terminals of a second output power supply control end of the ECU device 7 through a horn nozzle 1, the two auxiliary heating devices are connected with different power supply output control ends, the two auxiliary heating devices are different in power supply electric energy required by the two auxiliary heating devices and cannot be connected with the same output power supply, and the low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device are different in power supply electric energy required by the low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device, so that the two auxiliary heating devices are respectively connected with different power supplies; the signal output end of the engine oil temperature sensor 11 is connected with a second signal input end of the ECU device 7 through the horn nozzle 1. And connecting terminals of the engine oil heater 10 and the engine oil temperature sensor 11 are arranged in the second electrical appliance explosion-proof box 9.
The low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device are both controlled to be opened and closed through the ECU device 7, the ECU device 7 respectively controls the two auxiliary heating devices according to actual working conditions, firstly, the temperature of lubricating engine oil is increased, the viscosity of the engine oil is reduced, and the diesel engine is easy to start; secondly, the temperature of the fresh air is detected, the air inflow is increased along with the increase of the rotating speed, the energy supply is improved by the heating device, the temperature of the mixer is improved, and the combustion of the mixer is facilitated; the low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device are powered by the battery 8 and the ECU device 7, and because the power required by the two auxiliary heating devices is different, the voltages output by the first output power supply and the second output power supply of the ECU device 7 are also different, so that the power is supplied to different auxiliary heating devices, the low-temperature air and the low-temperature engine oil are heated, the temperature of the oil-gas mixer and the temperature of the engine oil are improved, the starting performance of the explosion-proof diesel engine is improved, and the waste of diesel oil which runs all night in the past explosion-proof diesel engine is reduced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The utility model provides an explosion-proof diesel engine low temperature auxiliary heating starting drive for coal mine, includes explosion-proof diesel engine, its characterized in that: the air inlet system of the explosion-proof diesel engine is additionally provided with a low-temperature air auxiliary heating device for heating fresh air behind the air inlet fence, and the fresh air passing through the low-temperature air auxiliary heating device is mixed with diesel oil to improve the temperature of fuel oil mixture;
the lubricating system of the explosion-proof diesel engine is additionally provided with a low-temperature engine oil auxiliary heating device for heating engine oil at an oil pan, and the heated engine oil provides lubricating engine oil for a friction part of an engine of the explosion-proof diesel engine through an oil pump.
2. The low-temperature auxiliary heating starting device for the explosion-proof diesel engine for the coal mine as claimed in claim 1, wherein: the low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device are controlled to be opened and closed through an ECU device (7), and the low-temperature air auxiliary heating device and the low-temperature engine oil auxiliary heating device are powered through a battery (8) or an explosion-proof generator.
3. The low-temperature auxiliary heating starting device for the explosion-proof diesel engine for the coal mine according to claim 1 or 2, characterized in that: the low-temperature air auxiliary heating device comprises an air heater (2) and an air temperature sensor (3), wherein the air heater (2) is arranged in an air inlet pipe (5), and two ends of the air heater (2) are respectively connected with two terminals of a first output power supply control end of an ECU device (7) through horn nozzles (1); and the signal output end of the air temperature sensor (3) is connected with a first signal input end of an ECU device (7) through a horn nozzle (1).
4. The low-temperature auxiliary heating starting device for the explosion-proof diesel engine for the coal mine as claimed in claim 3, wherein: and the connecting terminals of the air heater (2) and the temperature sensor (3) are arranged in the first electric appliance explosion-proof box (4).
5. The low-temperature auxiliary heating starting device for the explosion-proof diesel engine for the coal mine as claimed in claim 3, wherein: the low-temperature air auxiliary heating device further comprises a rotating speed sensor (13) for detecting the engine, and the signal output end of the rotating speed sensor (13) is connected with a third signal input end of the ECU device (7).
6. The low-temperature auxiliary heating starting device for the explosion-proof diesel engine for the coal mine according to claim 1 or 2, characterized in that: the low-temperature engine oil auxiliary heating device comprises an engine oil heater (10) and an engine oil temperature sensor (11), the engine oil heater (10) is arranged in an explosion-proof engine oil pan (12), and two ends of the engine oil heater (10) are respectively connected with two terminals of a second output power supply control end of the ECU device (7) through horn nozzles (1); and the signal output end of the engine oil temperature sensor (11) is connected with a second signal input end of the ECU device (7).
7. The low-temperature auxiliary heating starting device for the explosion-proof diesel engine for the coal mine according to claim 6, characterized in that: and the connection terminals of the engine oil heater (10) and the engine oil temperature sensor (11) are arranged in the explosion-proof box (9) of the second electrical appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812861.XA CN113446143A (en) | 2021-07-19 | 2021-07-19 | Low-temperature auxiliary heating starting device of explosion-proof diesel engine for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812861.XA CN113446143A (en) | 2021-07-19 | 2021-07-19 | Low-temperature auxiliary heating starting device of explosion-proof diesel engine for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113446143A true CN113446143A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110812861.XA Pending CN113446143A (en) | 2021-07-19 | 2021-07-19 | Low-temperature auxiliary heating starting device of explosion-proof diesel engine for coal mine |
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| CN (1) | CN113446143A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815431A (en) * | 1985-11-11 | 1989-03-28 | Nippon Soken, Inc. | Oil heating apparatus for internal combustion engine |
| GB9023746D0 (en) * | 1989-11-09 | 1990-12-12 | Fuji Heavy Ind Ltd | Auxiliary starting apparatus for alcohol engine |
| CN2345719Y (en) * | 1997-03-05 | 1999-10-27 | 白桂先 | Electrothermal starting aid device for diesel engine |
| US20070039596A1 (en) * | 2003-10-08 | 2007-02-22 | Nagares, S.A. | Module for heating the intake gases of an internal combustion engine incorporating electronic temperature control |
| US20070062497A1 (en) * | 2003-07-19 | 2007-03-22 | Daimlerchrysler Ag | Control of an electrically heated pre-heating device for cold-starting internal combustion engines |
| CN201155396Y (en) * | 2008-01-10 | 2008-11-26 | 中国重汽集团济南技术中心有限公司 | Low emission supercharging central-cooling electric control diesel |
| CN102367768A (en) * | 2011-10-25 | 2012-03-07 | 三一重型综采成套装备有限公司 | Electric-spraying explosion-proof diesel machine |
| CN202200853U (en) * | 2011-08-12 | 2012-04-25 | 王宏亮 | Auxiliary active heating and power supply control system for automotive vehicle |
| CN203669958U (en) * | 2013-11-16 | 2014-06-25 | 山推工程机械股份有限公司 | Engine lubricating oil temperature preheating system |
| CN203742698U (en) * | 2013-12-05 | 2014-07-30 | 潍柴动力股份有限公司 | Diesel engine oil temperature control system |
| CN203925650U (en) * | 2014-05-27 | 2014-11-05 | 潍柴动力股份有限公司 | A kind of engine oil heating device |
| CN110529320A (en) * | 2019-09-03 | 2019-12-03 | 无锡法尔胜悦能动力有限公司 | Diesel generating set and low-temperature start method with good low temperature starting performance |
| CN112727657A (en) * | 2020-12-31 | 2021-04-30 | 东风越野车有限公司 | Vehicle low-temperature auxiliary starting system and control method thereof |
-
2021
- 2021-07-19 CN CN202110812861.XA patent/CN113446143A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815431A (en) * | 1985-11-11 | 1989-03-28 | Nippon Soken, Inc. | Oil heating apparatus for internal combustion engine |
| GB9023746D0 (en) * | 1989-11-09 | 1990-12-12 | Fuji Heavy Ind Ltd | Auxiliary starting apparatus for alcohol engine |
| CN2345719Y (en) * | 1997-03-05 | 1999-10-27 | 白桂先 | Electrothermal starting aid device for diesel engine |
| US20070062497A1 (en) * | 2003-07-19 | 2007-03-22 | Daimlerchrysler Ag | Control of an electrically heated pre-heating device for cold-starting internal combustion engines |
| US20070039596A1 (en) * | 2003-10-08 | 2007-02-22 | Nagares, S.A. | Module for heating the intake gases of an internal combustion engine incorporating electronic temperature control |
| CN201155396Y (en) * | 2008-01-10 | 2008-11-26 | 中国重汽集团济南技术中心有限公司 | Low emission supercharging central-cooling electric control diesel |
| CN202200853U (en) * | 2011-08-12 | 2012-04-25 | 王宏亮 | Auxiliary active heating and power supply control system for automotive vehicle |
| CN102367768A (en) * | 2011-10-25 | 2012-03-07 | 三一重型综采成套装备有限公司 | Electric-spraying explosion-proof diesel machine |
| CN203669958U (en) * | 2013-11-16 | 2014-06-25 | 山推工程机械股份有限公司 | Engine lubricating oil temperature preheating system |
| CN203742698U (en) * | 2013-12-05 | 2014-07-30 | 潍柴动力股份有限公司 | Diesel engine oil temperature control system |
| CN203925650U (en) * | 2014-05-27 | 2014-11-05 | 潍柴动力股份有限公司 | A kind of engine oil heating device |
| CN110529320A (en) * | 2019-09-03 | 2019-12-03 | 无锡法尔胜悦能动力有限公司 | Diesel generating set and low-temperature start method with good low temperature starting performance |
| CN112727657A (en) * | 2020-12-31 | 2021-04-30 | 东风越野车有限公司 | Vehicle low-temperature auxiliary starting system and control method thereof |
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Application publication date: 20210928 |