CN116291987A - Heating system and method for methanol fuel and engine - Google Patents
Heating system and method for methanol fuel and engine Download PDFInfo
- Publication number
- CN116291987A CN116291987A CN202310019600.1A CN202310019600A CN116291987A CN 116291987 A CN116291987 A CN 116291987A CN 202310019600 A CN202310019600 A CN 202310019600A CN 116291987 A CN116291987 A CN 116291987A
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- China
- Prior art keywords
- methanol
- heat treatment
- treatment device
- temperature
- methanol fuel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 415
- 238000010438 heat treatment Methods 0.000 title claims abstract description 139
- 239000000446 fuel Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 46
- 239000007924 injection Substances 0.000 claims abstract description 46
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- F02M31/125—Fuel
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10268—Heating, cooling or thermal insulating means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention provides a heating system and method for methanol fuel and an engine, and relates to the technical field of vehicles. The heating system for the methanol fuel comprises a heat treatment device, wherein the heat treatment device is arranged in an air passage throat pipe and is used for detecting the temperature of a methanol injection drop point area and heating the methanol fuel injected on the heat treatment device according to the temperature of the methanol injection drop point area. According to the invention, the methanol fuel injected on the fuel is heated through the heat treatment device, so that the methanol fuel can be quickly evaporated and gasified at the air passage throat to form a combustible mixed gas, and then the combustible mixed gas is supplied to the engine for doing work and burning.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a heating system and method for methanol fuel and an engine.
Background
Methanol is used as a clean energy source and can be used as fuel of an engine, and pollutant emission can be effectively reduced compared with petroleum fuel. However, the methanol fuel is not easy to evaporate and gasify under the condition of a cold machine in a low-temperature environment, so that the combustible mixed gas is difficult to quickly form.
In order to solve the problem of low-temperature starting of methanol fuel, gasoline is currently generally adopted as starting fuel, namely, gasoline is firstly adopted as fuel in the starting stage, and when the temperature of an engine reaches a certain degree, the engine is switched to be operated by the methanol fuel, and the methanol fuel is usually realized by a double-injection system, so that the structure is complex and the cost is high.
Disclosure of Invention
The invention solves the problem of how to realize the combustion of methanol fuel supplied to an engine as a single fuel so as to reduce the cost.
In order to solve the problems, the invention provides a heating system and a heating method for methanol fuel and an engine.
In a first aspect, the present invention provides a heating system for a methanol fuel, including a heat treatment device, the heat treatment device being configured to be installed in an air passage throat, the heat treatment device being configured to detect a temperature of a methanol injection landing point region, and to heat the methanol fuel injected on the heat treatment device according to the temperature of the methanol injection landing point region.
Optionally, the heat treatment device comprises a temperature sensor and a heating component, wherein the temperature sensor is used for detecting the temperature of the methanol injection drop point area, and the heating component is used for heating the methanol fuel injected on the heat treatment device.
Optionally, the heat treatment device is configured to be snapped into engagement with the airway tube.
Optionally, the heating system for the methanol fuel further comprises a control unit, wherein the control unit is used for controlling the heat treatment device to heat the methanol fuel sprayed on the heat treatment device when the temperature of the methanol spray drop point area is smaller than a preset starting temperature.
Optionally, the heating system for methanol fuel further comprises a power supply device, and the control unit is connected with the heat treatment device and the power supply device through an attraction relay so as to supply power for the heat treatment device.
Optionally, the control unit is further configured to control the heat treatment device to maintain the methanol injection landing zone temperature when the methanol injection landing zone temperature reaches the preset starting temperature.
Optionally, the control unit is further configured to control the heat treatment device to stop heating when the temperature of the cylinder head exceeds a preset temperature threshold.
In a second aspect, the present invention provides a heating method for a methanol fuel, based on the heating system for a methanol fuel, including:
acquiring the temperature of a methanol injection drop point area;
and controlling a heat treatment device to heat the methanol fuel sprayed on the heat treatment device according to the temperature of the methanol spray drop point area.
In a third aspect, the invention provides an engine comprising a heating system as described above for a methanol fuel.
Optionally, the engine further comprises a methanol injector for injecting methanol fuel on the heat treatment device of the heating system for methanol fuel.
The invention can detect the temperature of the methanol injection drop point area through the heat treatment device arranged in the air passage throat, and can also have a heating function, for example, when the temperature of the methanol injection drop point area is lower than the preset starting temperature, the heat treatment device can heat the methanol fuel injected on the methanol injection drop point area, so that the methanol fuel can be quickly evaporated and gasified at the air passage throat to form combustible mixed gas, and then supplied to an engine for doing work and burning.
Drawings
FIG. 1 is a schematic diagram of a heating system for methanol fuel according to an embodiment of the present invention;
FIG. 2 is a schematic view of a heat treatment apparatus and a valve according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an engine and related components according to an embodiment of the present invention.
Reference numerals illustrate:
1-an engine; 2-an exhaust manifold; 3-an intake manifold; 4-a heat treatment device; a 5-methanol injector; 6-a power supply device; 7-an ignition switch; 8-a control unit; 9-airway larynx.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1, an embodiment of the present invention provides a heating system for a methanol fuel, which includes a heat treatment device 4, wherein the heat treatment device 4 is configured to be installed in an air flue throat 9, and the heat treatment device 4 is configured to detect a temperature of a methanol injection drop point area and heat the methanol fuel injected on the heat treatment device 4 according to the temperature of the methanol injection drop point area.
Specifically, the heating system for the methanol fuel comprises the heat treatment device 4, the heat treatment device 4 is installed in the air passage throats 9 (each air passage throats 9 can be installed), and auxiliary combustion supporting is needed before the engine is started, so that the engine can be started smoothly, when the methanol fuel is injected on the air passage throats 9, the temperature of a methanol injection drop point area is detected through the heat treatment device 4, when the temperature of the methanol injection drop point area is lower than a preset methanol starting temperature (the preset methanol starting temperature can be set according to actual conditions), the condition that the methanol does not reach the complete combustion condition is represented, the methanol is ignited at the moment to cause incomplete combustion, the methanol utilization rate is reduced, the engine cannot work with normal power while energy waste is caused, and therefore the methanol drop point injection area temperature needs to be detected, and when the temperature is lower than the preset methanol starting temperature, the methanol fuel is heated through the heat treatment device 4, so that the methanol fuel can be evaporated and gasified quickly at the air passage throats 9 to form a combustible mixed gas, and the methanol fuel enters the cylinder to be burnt in a point. If the temperature of the methanol injection drop point area is greater than or equal to the preset methanol starting temperature, the heat treatment device 4 does not work, and the engine can be started normally.
In order to ensure the heating effect of the heat treatment device 4 on the methanol fuel, the methanol fuel is generally directly injected onto the heat treatment device 4, that is, the methanol injection drop point area is located on the heat treatment device 4.
Optionally, the heat treatment device 4 comprises a temperature sensor for detecting the temperature of the methanol injection drop point region and a heating component for heating the methanol fuel injected on the heat treatment device 4.
Specifically, the heat treatment device 4 includes a temperature sensor and a heating component (for example, a heating resistance wire), the temperature sensor detects the temperature of the methanol injection drop point region, and the heating component heats the methanol fuel injected on the heat treatment device 4, so as to ensure that the methanol fuel can be vaporized and gasified to form a combustible mixture.
Optionally, the heat treatment device 4 is configured to be clamped with the airway throat 9.
Specifically, referring to fig. 2, the heat treatment device 4 may be clamped with the air passage throat 9 to form a complete air passage throat in two ways: (1) One side of the heat treatment device 4 is matched with the structure of the air inlet channel, the other side is butted with the reserved clamping groove structure of the air channel throat pipe 9, the heating resistance wire and the temperature sensor are pre-embedded in the middle, and the heat treatment device 4 is fixed through a positioning pin or a bolt after being inserted into the butted clamping groove at the air channel throat pipe 9; the heat treatment device 4 typically covers half of the airway profile; (2) The whole inner profile of the air passage is manufactured independently, then the heating resistance wire and the temperature sensor are embedded at the periphery, and the whole air passage is assembled into the air passage throat pipe 9 and fixed by the positioning pin or the bolt. Wherein, the outside of the cylinder cover exposes the electrical component joint of the temperature sensor and the heating resistance wire so as to be connected with a power supply device 6 and the like.
Optionally, the heating system for the methanol fuel further comprises a control unit 8, and the control unit 8 is configured to control the heat treatment device 4 to heat the methanol fuel injected on the heat treatment device 4 when the temperature of the methanol injection drop point area is less than a preset starting temperature.
Specifically, as shown in fig. 3, the heating system for methanol fuel further includes a control unit 8, when the driver opens the door of the main driver, the ignition switch 7 is pressed to switch on, the control unit 8 performs initial temperature identification on the temperature of the methanol injection drop point region through the temperature sensor of the heat treatment device 4, if the temperature of the methanol injection drop point region is less than the preset methanol starting temperature, the control unit 8 controls the heat treatment device 4 to heat the methanol fuel, so that the temperature of the methanol injection drop point region is rapidly increased, and generally, the preset methanol starting temperature can be reached only by 1 to 3 seconds, and rapid starting of the engine can be realized.
The temperature sensor can transmit a temperature signal of a methanol injection drop point area to the control unit 8, the control unit 8 carries out logic judgment based on feedback temperature information and sends a resistance wire heating instruction, and the temperature sensor continuously feeds back the temperature information to the controller to carry out logic judgment processing until the target control temperature requirement of auxiliary methanol combustion is met, so that real-time closed-loop automatic control is formed.
Optionally, the heating system for methanol fuel further comprises a power supply device 6, and the control unit 8 connects the heat treatment device 4 and the power supply device 6 through an attraction relay to supply power to the heat treatment device 4.
Specifically, as shown in connection with fig. 3, the heating system for the methanol fuel further includes a power supply device 6 (e.g., a battery), and the control unit 8 causes the heat treatment device 4 and the power supply device 6 through the attraction relay, thereby heating the methanol fuel through the heat treatment device 4.
Optionally, the control unit 8 is further configured to control the heat treatment device 4 to maintain the methanol injection landing zone temperature when the methanol injection landing zone temperature reaches the preset starting temperature.
Specifically, when the temperature of the methanol injection drop point area reaches the preset methanol starting temperature, the real-time temperature of the methanol injection drop point area can be sent to the control unit 8 through the temperature sensor, and the control unit 8 is used for sucking the relay and controlling the heating current at the same time, so that the temperature of the methanol injection drop point area is stabilized in the target temperature, the accurate closed-loop control of temperature control is realized, unnecessary energy loss is reduced, and meanwhile, the damage to the air inlet manifold 3 and the oil supply pipeline caused by the constant heating is prevented.
Optionally, the control unit 8 is further configured to control the heat treatment device 4 to stop heating when the cylinder head temperature exceeds a preset temperature threshold.
Specifically, after the engine is ignited, as the temperature of the cylinder head increases, the temperature of the methanol injection drop point area gradually exceeds the preset temperature threshold, and auxiliary heating is not needed (i.e., auxiliary combustion is not needed after the methanol burns and releases heat to a certain extent), so the control unit 8 gradually reduces the heating current until the electronic control auxiliary heating state is exited.
Another embodiment of the present invention provides a heating method for a methanol fuel, based on the heating system for a methanol fuel, including:
acquiring the temperature of a methanol injection drop point area;
and controlling a heat treatment device 4 to heat the methanol fuel sprayed on the heat treatment device 4 according to the temperature of the methanol injection drop point area.
Specifically, when the driver presses the ignition switch 7 to turn on the power supply, the ignition switch 7 sends a corresponding signal to the control unit 8, the control unit 8 controls the heat treatment device 4 to identify the temperature of the methanol injection drop point region, and when the temperature of the methanol injection drop point region is smaller than a preset methanol starting temperature, the methanol injection drop point region is heated, so that the temperature of the region is stabilized within a target temperature, and the methanol preheating is realized to smoothly start the engine.
Another embodiment of the present invention provides an engine comprising the heating system for methanol fuel described above.
Optionally, the engine further comprises a methanol injector 5, the methanol injector 5 being for injecting methanol fuel onto the heat treatment device 4 of the heating system for methanol fuel.
Specifically, as shown in fig. 3, the engine 1 further includes a methanol injector 5, and injection drop points of the methanol injector 5 are all located on the heat treatment device 4, so that sufficient combustion supporting can be realized, and quick start of the engine is facilitated.
The engine 1 further includes an exhaust manifold 2 and an intake manifold 3, wherein the intake manifold 3 is connected to an air passage throat 9, and the exhaust manifold 2 discharges gas generated by combustion after the engine burns.
Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the disclosure.
Claims (10)
1. A heating system for a methanol fuel, characterized by comprising a heat treatment device (4), wherein the heat treatment device (4) is arranged in an air passage throat pipe (9), and the heat treatment device (4) is used for detecting the temperature of a methanol injection drop point area and heating the methanol fuel injected on the heat treatment device (4) according to the temperature of the methanol injection drop point area.
2. Heating system for methanol fuel according to claim 1, characterized in that the heat treatment device (4) comprises a temperature sensor for detecting the methanol injection landing zone temperature and a heating assembly for heating the methanol fuel injected on the heat treatment device (4).
3. The heating system for methanol fuel according to claim 1, characterized in that the heat treatment device (4) is adapted to be clamped with the air passage throat (9).
4. The heating system for methanol fuel according to claim 1, further comprising a control unit (8), wherein the control unit (8) is configured to control the heat treatment device (4) to heat the methanol fuel injected on the heat treatment device (4) when the methanol injection landing zone temperature is less than a preset start-up temperature.
5. The heating system for methanol fuel according to claim 4, further comprising a power supply device (6), wherein the control unit (8) connects the heat treatment device (4) and the power supply device (6) through an attracting relay to supply power to the heat treatment device (4).
6. The heating system for methanol fuel according to claim 4, wherein the control unit (8) is further configured to control the heat treatment device (4) to maintain the methanol injection landing zone temperature when the methanol injection landing zone temperature reaches the preset start-up temperature.
7. The heating system for methanol fuel according to claim 4, wherein the control unit (8) is further configured to control the heat treatment device (4) to stop heating when the cylinder head temperature exceeds a preset temperature threshold.
8. A heating method for a methanol fuel based on the heating system for a methanol fuel according to any one of claims 1 to 7, characterized by comprising:
acquiring the temperature of a methanol injection drop point area;
and controlling a heat treatment device (4) to heat the methanol fuel sprayed on the heat treatment device (4) according to the temperature of the methanol injection drop point area.
9. An engine comprising a heating system for methanol fuel as claimed in any one of claims 1 to 7.
10. The engine according to claim 9, further comprising a methanol injector (5), the methanol injector (5) being adapted to inject methanol fuel on the heat treatment device (4) of the heating system for methanol fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310019600.1A CN116291987A (en) | 2023-01-06 | 2023-01-06 | Heating system and method for methanol fuel and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310019600.1A CN116291987A (en) | 2023-01-06 | 2023-01-06 | Heating system and method for methanol fuel and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116291987A true CN116291987A (en) | 2023-06-23 |
Family
ID=86794925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310019600.1A Pending CN116291987A (en) | 2023-01-06 | 2023-01-06 | Heating system and method for methanol fuel and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116291987A (en) |
-
2023
- 2023-01-06 CN CN202310019600.1A patent/CN116291987A/en active Pending
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231113 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Applicant after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Applicant after: Zhejiang liankong Technology Co.,Ltd. Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Applicant before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Applicant before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Applicant before: Aurobay Technology Co., Ltd. |
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| TA01 | Transfer of patent application right |