CN216477634U - Methanol engine oil rail - Google Patents
Methanol engine oil rail Download PDFInfo
- Publication number
- CN216477634U CN216477634U CN202122449540.6U CN202122449540U CN216477634U CN 216477634 U CN216477634 U CN 216477634U CN 202122449540 U CN202122449540 U CN 202122449540U CN 216477634 U CN216477634 U CN 216477634U
- Authority
- CN
- China
- Prior art keywords
- oil rail
- connecting portion
- heat transfer
- insulating heat
- methanol engine
- Prior art date
- 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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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 239000010705 motor oil Substances 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000005485 electric heating Methods 0.000 claims abstract description 13
- 239000002737 fuel gas Substances 0.000 claims 2
- 239000000446 fuel Substances 0.000 description 18
- 239000000295 fuel oil Substances 0.000 description 7
- 230000010349 pulsation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a methanol engine oil rail which comprises an oil rail shell, a sealing plug and a heating device, wherein the heating device comprises an electric heating wire and an insulating heat transfer joint which are mutually connected, the electric heating wire is positioned in the oil rail shell, one end of the oil rail shell is connected with the insulating heat transfer joint, the other end of the oil rail shell is connected with the sealing plug, the sealing plug is provided with a groove, and one end, far away from the insulating heat transfer joint, of the electric heating wire is accommodated in the groove. The utility model can effectively solve the problem that the existing methanol engine heating device is relatively complex in arrangement.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a methanol engine oil rail.
Background
At present, all methanol vehicles are started by adopting gasoline, and when the water temperature reaches a certain temperature, the methanol is switched to operate. Because the methanol fuel has high ignition temperature, high latent heat of vaporization and low heat value, the methanol engine outputs the same torque compared with a gasoline engine, and the temperature reduction speed in the cylinder of the methanol engine is 6 times that of the gasoline engine. Meanwhile, the low vapor pressure and poor evaporation characteristics of the methanol fuel cause the problem of low-temperature cold start, which is an important problem faced by the methanol fuel engine.
Increasingly stringent emissions regulations require that the cold start problem be raised to a new height. The methanol fuel is completely combusted to generate CO2 and H2O, which is a very clean energy source and can effectively improve the emission level of vehicles.
At present, the cold start is mainly realized by adopting the modes of air inlet heating, in-cylinder mixed gas heating, fuel oil heating, engine compression ratio improvement, fuel oil atomization effect improvement or ignition optimization and the like, and the cold start device is complex in structure and inconvenient to install.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, embodiments of the present invention provide a methanol engine oil rail, which can effectively solve the problem that the existing methanol engine heating device is relatively complex in arrangement.
The embodiment of the utility model provides a methanol engine oil rail, which comprises an oil rail shell, a sealing plug and a heating device, wherein the heating device comprises a heating wire and an insulating heat transfer joint which are connected with each other, the heating wire is positioned in the oil rail shell, one end of the oil rail shell is connected with the insulating heat transfer joint, the other end of the oil rail shell is connected with the sealing plug, the sealing plug is provided with a groove, and one end, far away from the insulating heat transfer joint, of the heating wire is accommodated in the groove.
Further, the oil rail shell comprises a first connecting portion, a second connecting portion and an oil rail body, the first connecting portion is connected with one end of the oil rail body, and the second connecting portion is connected with the other end of the oil rail body.
Further, the first connecting part is connected with the sealing plug, and the second connecting part is connected with the insulating heat transfer joint.
Further, the first connecting portion is provided with a first through hole, and the sealing plug is in threaded connection with the first through hole.
Further, the methanol engine oil rail further comprises a first sealing ring, a first counter bore is formed in one end, far away from the oil rail body, of the first connecting portion, and when the first connecting portion is connected with the sealing plug, the first sealing ring is contained in the first counter bore.
Further, the second connecting portion is provided with a second through hole, and the second through hole is in threaded connection with the insulating heat transfer joint.
Further, the oil rail further comprises a second sealing ring, a second counter bore is formed in one end, far away from the oil rail body, of the second connecting portion, and the second sealing ring is contained in the second counter bore when the second connecting portion is in threaded connection with the insulating heat transfer joint.
Furthermore, the heating device also comprises a power supply module, the insulating heat transfer joint is provided with a through hole, and the heating wire penetrates through the through hole and is connected with the power supply module.
Further, heating device still includes temperature control module and is used for surveying the temperature sensor of the interior gas temperature of oil rail, temperature sensor set up in on the oil rail casing, temperature sensor with temperature control module connects, temperature control module with power module connects, temperature control module receives the oil rail internal combustion air temperature information that temperature sensor sent sends, send control signal extremely power module, with through power module control the heating state of heating wire.
Further, the distance between the electric heating wire and the oil rail shell is 1mm-5 mm.
The implementation of the utility model has the following beneficial effects:
the utility model relates to an alcohol engine oil rail, which comprises an oil rail shell, a sealing plug and a heating device, wherein the heating device comprises an electric heating wire and an insulating heat transfer joint which are mutually connected, the electric heating wire is positioned in the oil rail shell, one end of the oil rail shell is connected with the insulating heat transfer joint, the other end of the oil rail shell is connected with the sealing plug, the sealing plug is provided with a groove, one end, far away from the insulating heat transfer joint, of the electric heating wire is accommodated in the groove, the sealing plug is provided with a groove for positioning the electric heating wire, the electric heating wire is prevented from shaking in an oil pipe due to the influence of fuel pulsation, and meanwhile, the heating device is arranged in a methanol fuel oil rail, so that the appearance arrangement size of the oil rail is not changed, and the structure is compact.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a methanol engine oil rail according to an embodiment of the present invention.
Wherein the reference numerals in the figures correspond to: 1-a sealing plug, 21-a first sealing ring, 22-a second sealing ring, 3-an oil rail shell, 31-a second connecting part, 32-a first connecting part, 33-an oil rail body, 4-a heating device, 41-an electric heating wire, 42-an insulating heat transfer joint, 5-a temperature sensor and 6-a temperature control module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first", "second" may explicitly or implicitly include one or more of those features, in the description of the utility model "plurality" means two or more unless explicitly defined otherwise.
Fig. 1 is a schematic structural diagram of a methanol engine oil rail according to an embodiment of the present invention, as shown in fig. 1, the methanol engine oil rail includes an oil rail housing 3, a sealing plug 1 and a heating device 4, the heating device 4 includes a heating wire 41 and an insulating heat transfer joint 42 that are connected to each other, the heating wire 41 is located inside the oil rail housing 3, one end of the oil rail housing 3 is connected to the insulating heat transfer joint 42, the other end of the oil rail housing 3 is connected to the sealing plug 1, the sealing plug 1 is provided with a groove, one end of the heating wire 41, which is far away from the insulating heat transfer joint 42, is accommodated in the groove, the groove is used for positioning the heating wire 41, so as to prevent the heating wire 41 from shaking in an oil pipe due to the influence of fuel pulsation, improve the positioning effect of the heating wire, and avoid instability of the heating wire due to fuel pulsation in a heating process, meanwhile, the heating device 4 is installed in the methanol engine oil rail, the appearance arrangement size of the methanol engine oil rail is not changed, and the structure is compact.
With continued reference to fig. 1, in an embodiment of the present invention, the oil rail housing 3 includes a first connecting portion 32, a second connecting portion 31, and an oil rail body 33, the first connecting portion 32 is connected to one end of the oil rail body 33, and the second connecting portion 31 is connected to the other end of the oil rail body 33. Specifically, the first connection portion 32 and the second connection portion 31 may adopt a different thickness from the oil rail body 33 to increase the strength of the first connection portion 32 and the second connection portion 31, and the first connection portion 32 and the second connection portion 31 may be welded to the oil rail body 33, respectively. The first connecting portion 32 and the second connecting portion 31 are arranged, so that the strength of the end portion of the oil rail body is increased, the insulating heat transfer joint and the sealing plug are conveniently arranged at the end portion of the oil rail body, and the strength of connection between the insulating heat transfer joint and the sealing plug is increased.
With continued reference to fig. 1, in an embodiment of the utility model, the first connection portion 32 is connected to the sealing plug 1, and the second connection portion 31 is connected to the insulating heat transfer joint 42. The strength of the connection of the first connection portion 32 to the sealing plug 1 is increased by providing the first connection portion 32 and the second connection portion 31, and the strength of the connection of the second connection portion 31 to the insulating heat transfer joint 42 is increased. In an embodiment of the present invention, specifically, the oil rail body 33 may have a square, rectangular, or circular shape, and the first connection portion 32 and the second connection portion 31 may have a square, rectangular, or circular shape, which is not limited in the present invention. The first connecting part 32 matched with the specification and the size of the sealing plug 1 can be arranged according to different specifications and sizes of the sealing plug 1, and the second connecting part 31 matched with the specification and the size of the insulating heat transfer joint 42 is arranged according to different specifications and sizes of the insulating heat transfer joint 42, so that the adaptability of the methanol engine oil rail is improved.
With continued reference to fig. 1, in an embodiment of the present invention, the first connecting portion 32 is provided with a first through hole, and the sealing plug 1 is screwed with the first through hole, so that the structure is simple and the connection is reliable.
With reference to fig. 1, in an embodiment of the present invention, the methanol engine oil rail further includes a first sealing ring 21, one end of the first connecting portion 32, which is far away from the oil rail body 33, is provided with a first counter bore, and when the first connecting portion 32 is connected to the sealing plug 1, the first sealing ring 21 is accommodated in the first counter bore, specifically, the first sealing ring 21 is an O-shaped sealing ring, so that double sealing prevents fuel leakage, and reliability of installation and sealing is ensured.
With continued reference to fig. 1, in an embodiment of the present invention, the second connecting portion 31 is provided with a second through hole, and the second through hole is in threaded connection with the insulating heat transfer joint 42, so that the insulating heat transfer joint 42 is connected with the oil rail body 33, and the arrangement is simple and compact.
With continued reference to fig. 1, in an embodiment of the present invention, the oil rail further includes a second sealing ring 22, a second counterbore is disposed at an end of the second connecting portion 31 away from the oil rail body 33, and when the second connecting portion 31 is in threaded connection with the insulating heat transfer joint 42, the second sealing ring 22 is accommodated in the second counterbore, so as to increase the sealing performance of the methanol engine oil rail. Meanwhile, the first connecting part 32 and the second connecting part 31 are installed in the same sealing mode, and the installation positions of the sealing plug 1 and the heating device 4 can be changed according to actual conditions. The arrangement is reliable in sealing, simple in assembly and disassembly and convenient for replacing the heating wire.
With continued reference to fig. 1, in an embodiment of the present invention, the heating device 4 further includes a power module, the insulating heat transfer connector 42 is provided with a through hole, and the heating wire 41 passes through the through hole to be connected with the power module.
With continued reference to fig. 1, in an embodiment of the present invention, the heating device 4 further includes a temperature control module 6 and a temperature sensor 5 for detecting a temperature of gas in the oil rail, the temperature sensor 5 is disposed on the oil rail housing 3, the temperature sensor 5 is connected to the temperature control module 6, the temperature control module 6 is connected to the power module, the temperature control module 6 receives the temperature information of gas in the oil rail sent by the temperature sensor 5, and sends a control signal to the power module to control a heating state of the heating wire 41 through the power module, specifically, after the ECU is powered on, the power module controls the heating device 4 to start working to heat methanol fuel, and after the temperature sensor 5 detects that a temperature reaches a set value, the temperature control module 6 receives the temperature information of gas in the oil rail sent by the temperature sensor 5, and sending a control signal to the power supply module, controlling the heating device 4 to stop heating by the power supply module, and starting the engine. The temperature sensor 5 is used for measuring the temperature of the fuel, and the installation position of the temperature sensor 5 in the present invention is not limited to the position shown in the figure, and the position adjustment can be performed according to the actual arrangement of the engine. Different fuel oil heating temperatures can be set according to actual needs so as to improve the use efficiency and safety of the heating device 4.
With continued reference to fig. 1, in an embodiment of the present invention, the distance between the heating wire 41 and the oil rail housing 3 is 1mm-5mm, which ensures that the fuel in the oil rail of the methanol engine can be effectively heated.
The implementation of the utility model has the following beneficial effects:
according to the alcohol engine oil rail, one end, far away from the insulating heat transfer joint 42, of the heating wire 41 is accommodated in the groove, and the groove is used for positioning the heating wire 41, so that the heating wire 41 is prevented from shaking in the oil rail body 33 due to the influence of fuel oil pulsation, the positioning effect of the heating wire 41 is improved, the instability of the heating wire 41 due to the fuel oil pulsation in the heating process is avoided, the temperature of methanol fuel oil at low temperature can be effectively improved, and the vaporization speed of methanol fuel is accelerated; when the temperature of the fuel rises, the volume of the fuel increases along with the temperature of the fuel, so that the pressure of the fuel in an oil rail of the methanol engine is increased to a certain extent, the atomization effect of the methanol fuel is improved, and the cold starting performance of the methanol fuel engine is effectively improved.
While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The methanol engine oil rail is characterized by comprising an oil rail shell, a sealing plug and a heating device, wherein the heating device comprises an electric heating wire and an insulating heat transfer joint which are mutually connected, the electric heating wire is positioned in the oil rail shell, one end of the oil rail shell is connected with the insulating heat transfer joint, the other end of the oil rail shell is connected with the sealing plug, the sealing plug is provided with a groove, and one end, far away from the insulating heat transfer joint, of the electric heating wire is accommodated in the groove.
2. The methanol engine oil rail of claim 1, wherein the oil rail housing comprises a first connecting portion, a second connecting portion and an oil rail body, the first connecting portion is connected with one end of the oil rail body, and the second connecting portion is connected with the other end of the oil rail body.
3. The methanol engine oil rail of claim 2, wherein the first connection portion is connected to the sealing plug and the second connection portion is connected to the insulating heat transfer joint.
4. The methanol engine oil rail of claim 3, wherein the first connecting portion is provided with a first through hole, and the sealing plug is in threaded connection with the first through hole.
5. The methanol engine oil rail of claim 4, further comprising a first sealing ring, wherein a first counter bore is formed in one end, away from the oil rail body, of the first connecting portion, and the first sealing ring is accommodated in the first counter bore when the first connecting portion is connected with the sealing plug.
6. The methanol engine oil rail of claim 3, wherein the second connecting portion is provided with a second through hole, and the second through hole is in threaded connection with the insulating heat transfer joint.
7. The methanol engine oil rail of claim 6, further comprising a second sealing ring, wherein a second counter bore is formed in one end, away from the oil rail body, of the second connecting portion, and the second sealing ring is accommodated in the second counter bore when the second connecting portion is in threaded connection with the insulating heat transfer joint.
8. The methanol engine oil rail of claim 1, wherein the heating device further comprises a power module, the insulating heat transfer joint is provided with a through hole, and the heating wire is connected with the power module through the through hole.
9. The methanol engine oil rail of claim 8, wherein the heating device further comprises a temperature control module and a temperature sensor for measuring the temperature of fuel gas in the oil rail, the temperature sensor is disposed on the oil rail housing, the temperature sensor is connected with the temperature control module, the temperature control module is connected with the power module, the temperature control module receives temperature information of fuel gas in the oil rail sent by the temperature sensor and sends a control signal to the power module so as to control the heating state of the heating wire through the power module.
10. The methanol engine oil rail of claim 1, wherein the distance between the heating wire and the oil rail housing is 1mm-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122449540.6U CN216477634U (en) | 2021-10-12 | 2021-10-12 | Methanol engine oil rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122449540.6U CN216477634U (en) | 2021-10-12 | 2021-10-12 | Methanol engine oil rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477634U true CN216477634U (en) | 2022-05-10 |
Family
ID=81438012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122449540.6U Active CN216477634U (en) | 2021-10-12 | 2021-10-12 | Methanol engine oil rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477634U (en) |
-
2021
- 2021-10-12 CN CN202122449540.6U patent/CN216477634U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231117 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Zhejiang liankong Technology Co.,Ltd. Address before: 322003 No.1 Jixiang Road, Chian Town, Yiwu City, Zhejiang Province Patentee before: ZHEJIANG FENGRUI ENGINE Co.,Ltd. Patentee before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Patentee before: Aurora Bay Technology Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |