CN217002076U - Cylinder cover, methanol engine and vehicle - Google Patents
Cylinder cover, methanol engine and vehicle Download PDFInfo
- Publication number
- CN217002076U CN217002076U CN202122437955.1U CN202122437955U CN217002076U CN 217002076 U CN217002076 U CN 217002076U CN 202122437955 U CN202122437955 U CN 202122437955U CN 217002076 U CN217002076 U CN 217002076U
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- Prior art keywords
- straight line
- mounting holes
- spark plug
- hole
- nozzle mounting
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 238000011217 control strategy Methods 0.000 abstract description 8
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- 239000000446 fuel Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cylinder cover, a methanol engine and a vehicle, wherein an air inlet, an exhaust hole, a spark plug mounting hole and two nozzle mounting holes are arranged on a fire power surface of the cylinder cover; wherein, the center of the spark plug mounting hole is positioned outside a straight line where the centers of the two nozzle mounting holes are positioned. The technical scheme of the utility model aims to enable the vehicle applying the cylinder cover to have richer ECU combustion control strategies.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a cylinder cover, a methanol engine and a vehicle.
Background
An ECU (Electronic Control Unit) has the functions of operation and Control, when an engine runs, the ECU collects signals of various sensors, performs operation, converts the operation result into a Control signal and controls the work of a controlled object, and the combustion Control strategy of the ECU is closely related to the structure mounted on a cylinder cover, so that how to enrich the structure mounted on the cylinder cover to enrich the combustion Control strategy of the ECU is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a cylinder cover, aiming at enabling a vehicle applying the cylinder cover to have a richer ECU combustion control strategy.
In order to achieve the purpose, the fire surface of the cylinder cover provided by the utility model is provided with an air inlet hole, an exhaust hole, a spark plug mounting hole and two nozzle mounting holes; wherein, the center of the spark plug mounting hole is positioned outside the straight line of the centers of the two nozzle mounting holes.
Optionally, two of the nozzle mounting holes are disposed adjacent to the air inlet hole.
Optionally, there is one air inlet and two air outlets.
Optionally, the aperture of the air intake hole is larger than the aperture of the air exhaust hole.
Optionally, the two nozzle mounting holes are respectively located at two sides of the first straight line; the first straight line is a connecting line of the center of the air inlet hole and the center of the spark plug mounting hole.
Optionally, the center of the spark plug mounting hole is located on a second straight line perpendicular to the first straight line, the second straight line is located on the fire surface, the nozzle mounting hole is located on one side, close to the air inlet, of the second straight line, and the two exhaust holes are located on one side, far away from the air inlet, of the second straight line.
Optionally, the two nozzle mounting holes are arranged in a mirror image mode by taking the first straight line as a symmetry axis.
Optionally, the two exhaust holes are arranged in a mirror image mode by taking the first straight line as a symmetry axis.
The utility model further provides a methanol engine which comprises the cylinder cover.
The utility model further provides a vehicle comprising the methanol engine.
In the technical scheme of the utility model, two nozzle mounting holes are arranged on the fire power surface of the cylinder cover and are respectively provided for mounting an oil nozzle, for the combustion control strategy of the ECU, one fuel injection nozzle injection controllable scheme is limited, two fuel injection nozzles can greatly enrich the combustion control strategy of the ECU, different fuel injection strategies are adapted according to different working conditions of the vehicle, in addition, the centers of the spark plug mounting holes are positioned outside a straight line where the centers of the two nozzle mounting holes are positioned, namely the centers of the spark plug and the centers of the two nozzle mounting holes are not positioned on the same straight line, if the centers are positioned on the same straight line, the length of the area formed by the spark plug mounting hole and the two nozzle mounting holes is long, it is inconvenient to provide the two nozzle mounting holes in a limited size of the cover plate, therefore, the centers of the spark plug mounting holes are positioned outside the straight line of the centers of the two nozzle mounting holes, and enough space can be reserved for arranging the nozzle mounting holes. It is worth mentioning that the two nozzles can reduce the injection amount of one nozzle, shorten the injection time and improve the atomization effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a cylinder head according to the present invention;
fig. 2 is a simplified schematic diagram of the cylinder head flame plane of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| |
100 | Spark |
500 |
| |
300 | |
700 |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a cylinder cover.
Referring to fig. 1 and 2, in an embodiment of the present invention, an intake hole 100, an exhaust hole 300, a spark plug mounting hole 500, and two nozzle mounting holes 700 are provided on a fire surface of the cylinder head; wherein the center of the spark plug mounting hole 500 is located outside a straight line where the centers of the two nozzle mounting holes 700 are located.
In the technical scheme of the utility model, two nozzle mounting holes 700 are arranged on the fire surface of a cylinder cover and are respectively provided for mounting an oil injection nozzle, for the combustion control strategy of the ECU, the injection controllable scheme of one oil injection nozzle is limited, the combustion control strategy of the ECU can be greatly enriched by the two oil injection nozzles, different oil injection strategies are adapted according to different working conditions of a vehicle, in addition, the center of a spark plug mounting hole 500 is positioned outside the straight line of the centers of the two nozzle mounting holes 700, namely the center of the spark plug mounting hole and the centers of the two nozzle mounting holes 700 are not positioned on the same straight line, if the centers are positioned on the same straight line, the length of the area formed by the spark plug mounting hole 500 and the two nozzle mounting holes 700 is longer, the arrangement of the two nozzle mounting holes 700 under the limited size of a cover plate is inconvenient, therefore, the center of the spark plug mounting hole 500 is positioned outside the straight line of the centers of the two nozzle mounting holes 700, there may be enough space to arrange the nozzle mounting holes 700. It is worth mentioning that the two nozzles can reduce the injection amount of one nozzle, shorten the injection time and improve the atomization effect.
It should be noted that the present application employs direct in-cylinder injection technology.
Alternatively, in one embodiment, two nozzle mounting holes 700 are disposed near the air intake hole 100, so that the air entering from the air intake hole 100 can be rapidly mixed with the fuel sprayed from the nozzle and uniformly mixed, so that the mixed air can be sufficiently combusted, and the thermal efficiency of the engine can be improved. Further, the spark plug mounting hole 500 is provided near the intake hole 100, so that it can rapidly ignite the mixture gas, make it sufficiently burn, and improve the thermal efficiency of the engine.
Alternatively, in one embodiment, there is one intake hole 100 and two exhaust holes 300, so that the smaller number of intake holes 100 is beneficial to provide a space for arranging the fuel injector mounting holes, and the larger number of exhaust holes 300 is beneficial to rapidly exhaust combusted gas.
It should be noted that the fuel injected from the nozzle may be, but is not limited to, methanol, which has a high ignition temperature, a high octane number, and an anti-knock property, and a low cetane number, and has a wide ignition limit, and the wide ignition limit enables the mixed gas to have a combustion capability at a low and high excess air ratio, and a high flame propagation speed can be maintained in the lean mixed gas. Based on the above characteristics, the combustion of methanol can reduce the demand for air amount compared to gasoline and diesel, so one intake valve can satisfy the demand for methanol.
However, the design is not limited thereto, and in other embodiments, two air inlets are provided, and one air outlet is provided.
Alternatively, in an embodiment, the aperture of the intake hole 100 is larger than the aperture of the exhaust hole 300, so that the intake amount of one intake hole 100 can be adapted to the exhaust amounts of two exhaust holes 300. However, the design is not limited thereto, and in other embodiments, two air inlets are provided, and one air outlet is provided, and the aperture of the air outlet is larger than that of the air inlets.
Optionally, in an embodiment, two nozzle mounting holes 700 are respectively located at two sides of the first straight line; wherein, the first straight line is a connection line between the center of the intake hole 100 and the center of the spark plug mounting hole 500. On one hand, the gas entering from the gas inlet 100 is mixed with the fuel sprayed from the nozzle, and on the other hand, the mixed gas is ignited by the spark plug, so that the mixed gas is fully combusted.
Alternatively, in one embodiment, the center of the spark plug mounting hole 500 is also located on a second straight line perpendicular to the first straight line, the second straight line is located on the fire surface, the nozzle mounting hole 700 is located on one side of the second straight line close to the air intake hole 100, and the two exhaust holes 300 are located on one side of the second straight line far from the air intake hole 100, so that the nozzle is close to the air intake hole 100 to uniformly mix the gas and the fuel, and the exhaust holes 300 are far from the air intake hole 100 to provide a sufficient layout space for the nozzle.
Optionally, in an embodiment, the two nozzle mounting holes 700 are arranged in a mirror image with the first straight line as a symmetry axis, so that the symmetrical arrangement is favorable for mixing the mixed gas more uniformly and for sufficiently burning the mixed gas.
Optionally, in an embodiment, the two exhaust holes 300 are arranged in a mirror image with the first straight line as a symmetry axis, so that the symmetrical arrangement is favorable for the rapid exhaust of the gas after the mixed gas is combusted.
The utility model further provides a methanol engine, which comprises the cylinder cover, the specific structure of the cylinder cover refers to the above embodiments, and the methanol engine adopts all the technical schemes of all the above embodiments, so that the methanol engine at least has all the beneficial effects brought by the technical schemes of the above embodiments, and details are not repeated herein.
The utility model further provides a vehicle, which comprises the methanol engine, the specific structure of the methanol engine refers to the above embodiments, and the vehicle adopts all technical solutions of all the above embodiments, so that the vehicle at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.
The above description is only an alternative embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, which are within the spirit of the present invention, are included in the scope of the present invention.
Claims (7)
1. A cylinder cover is characterized in that an air inlet hole, an exhaust hole, a spark plug mounting hole and two nozzle mounting holes are formed in a fire power surface of the cylinder cover; the centers of the spark plug mounting holes are positioned outside a straight line where the centers of the two nozzle mounting holes are positioned; one air inlet hole is formed, and two air outlet holes are formed; the two nozzle mounting holes are respectively positioned at two sides of the first straight line; wherein, the first straight line is a connecting line of the center of the air inlet hole and the center of the spark plug mounting hole; the center of the spark plug mounting hole is also positioned on a second straight line perpendicular to the first straight line, the second straight line is positioned on the fire surface, the nozzle mounting hole is positioned on one side, close to the air inlet, of the second straight line, and the two exhaust holes are positioned on one side, far away from the air inlet, of the second straight line.
2. The cylinder head of claim 1 wherein two of said nozzle mounting holes are disposed adjacent said intake port.
3. The cylinder head of claim 1, wherein the bore diameter of the intake port is larger than the bore diameter of the exhaust port.
4. The cylinder head of claim 1 wherein said nozzle mounting holes are mirror images of said first line.
5. The cylinder head of claim 1, wherein the two exhaust ports are arranged in mirror image about the first line as an axis of symmetry.
6. A methanol engine comprising a cylinder head according to any one of claims 1 to 5.
7. A vehicle characterized by comprising the methanol engine of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437955.1U CN217002076U (en) | 2021-10-09 | 2021-10-09 | Cylinder cover, methanol engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437955.1U CN217002076U (en) | 2021-10-09 | 2021-10-09 | Cylinder cover, methanol engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002076U true CN217002076U (en) | 2022-07-19 |
Family
ID=82378998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122437955.1U Active CN217002076U (en) | 2021-10-09 | 2021-10-09 | Cylinder cover, methanol engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002076U (en) |
-
2021
- 2021-10-09 CN CN202122437955.1U patent/CN217002076U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region after: China Patentee after: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Address before: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region before: China Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240313 Address after: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region after: China Patentee after: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee after: Tianjin Alcohol Hydrogen Research and Development Co.,Ltd. Address before: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region before: China Patentee before: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. |
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| TR01 | Transfer of patent right |