CN115750076A - Engine cylinder cover and engine thereof - Google Patents
Engine cylinder cover and engine thereof Download PDFInfo
- Publication number
- CN115750076A CN115750076A CN202211570710.9A CN202211570710A CN115750076A CN 115750076 A CN115750076 A CN 115750076A CN 202211570710 A CN202211570710 A CN 202211570710A CN 115750076 A CN115750076 A CN 115750076A
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- Prior art keywords
- cavity
- cold
- hot
- piston
- output gear
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- 238000001816 cooling Methods 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000001307 helium Substances 0.000 claims description 5
- 229910052734 helium Inorganic materials 0.000 claims description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention relates to the technical field of engines, and discloses an engine cylinder cover and an engine thereof, wherein the engine cylinder cover comprises a cylinder cover body, an exhaust pipe, a working medium cavity, a cooling cavity, a hot end piston, a cold end piston, a hot end transmission assembly, a cold end transmission assembly and an output gear are arranged on the cylinder cover body, working medium gas is filled in the working medium cavity, the working medium cavity comprises a hot cavity, a cold cavity and a connecting pipe, the hot cavity is arranged around the periphery of the exhaust pipe, the cold cavity is communicated with the hot cavity through the connecting pipe, and the cooling cavity is arranged around the periphery of the cold cavity; the hot end piston can reciprocate on the hot cavity, the hot end piston is connected with the output gear through a hot end transmission assembly, the cold end piston can reciprocate on the cold cavity, and the cold end piston is connected with the output gear through a cold end transmission assembly; according to the invention, working medium gas in the hot cavity is heated to expand and gas in the cold cavity is compressed when meeting cold, so that the hot end piston and the cold end piston reciprocate to drive the output gear to rotate, and the output gear can work outwards; the exhaust gas temperature is reduced, and the cost of the tail gas purification device is saved.
Description
Technical Field
The invention relates to the technical field of engines, in particular to an engine cylinder cover and an engine thereof.
Background
The engine cylinder cover is mainly used for sealing the cylinder and forming a combustion chamber, after gas entering the engine is combusted in the cylinder, generated high-temperature and high-pressure waste gas is discharged from an exhaust pipe of the engine cylinder cover, then flows through an exhaust catalytic system, and is discharged into the atmosphere after being purified by tail gas. The waste gas generated after the engine burns has the characteristics of high temperature, large pressure and the like, and the traditional engine cylinder cover system does not have the function of recycling the energy of the waste gas of the engine, so that the waste of energy resources is caused; in addition, the temperature of the exhaust gas after combustion of the engine is high, the requirement on the upper limit value of the use temperature of the subsequent exhaust gas purification device is high, and the use cost of the material of the exhaust gas purification device is high.
Disclosure of Invention
The invention aims to provide a device which can drive an output gear to rotate, so that the output gear can do work outwards; reduce exhaust gas temperature, practice thrift the engine cylinder lid of tail gas cleanup unit's cost and engine thereof.
In order to achieve the purpose, one aspect of the invention provides an engine cylinder cover which comprises a cylinder cover body, wherein an exhaust pipe, a working medium cavity, a cooling cavity, a hot end piston, a cold end piston, a hot end transmission assembly, a cold end transmission assembly and an output gear are arranged on the cylinder cover body, working medium gas is filled in the working medium cavity, the working medium cavity comprises a hot cavity, a cold cavity and a connecting pipe, the hot cavity is arranged around the periphery of the exhaust pipe, the cold cavity is communicated with the hot cavity through the connecting pipe, and the cooling cavity is arranged around the periphery of the cold cavity; the hot end piston can reciprocate on the hot cavity, the hot end piston is connected with the output gear through the hot end transmission assembly, the cold end piston can reciprocate on the cold cavity, and the cold end piston is connected with the output gear through the cold end transmission assembly;
when the working medium gas flows to the hot cavity and is heated and expanded under the heating action of the exhaust pipe, the expanded working medium gas pushes the hot end piston to move on the hot cavity in the direction away from the exhaust pipe, the hot end piston drives the output gear to rotate through the hot end transmission assembly, and then the output gear drives the cold end piston to move in the cold cavity in the direction away from the exhaust pipe through the cold end transmission assembly;
when the working medium gas flows to the cold cavity and is cooled and contracted under the cooling effect of the cold cavity, the contracted working medium gas attracts the cold end piston to move on the cold cavity along the direction close to the exhaust pipe, the cold end piston drives the output gear to rotate through the cold end transmission assembly, and then the output gear drives the hot end piston to move on the hot cavity along the direction close to the exhaust pipe through the hot end transmission assembly.
As a preferable scheme of the present invention, the hot end transmission assembly includes a first piston rod, a first connecting rod, and a first connecting disc, the first connecting disc is provided with a first connecting portion eccentrically disposed, a first end of the first piston rod is rotatably connected to the hot end piston, a second end of the first piston rod is rotatably connected to the first connecting portion, and the first connecting disc is connected to the output gear through the first connecting rod; the cold end transmission assembly comprises a second piston rod, a second connecting rod and a second connecting disc, the second connecting disc is provided with a second connecting part which is eccentrically arranged, the first end of the second piston rod is rotatably connected with the cold end piston, the second end of the second piston rod is rotatably connected with the second connecting part, and the second connecting disc is connected with the output gear through the second connecting rod; the first connecting rod, the second connecting rod and the output gear are coaxially arranged.
In a preferred embodiment of the present invention, the first coupling portion is provided on an outer periphery of the first coupling disk, and the second coupling portion is provided on an outer periphery of the second coupling disk.
As a preferable scheme of the present invention, a first positioning seat and a second positioning seat are disposed on the cylinder head body, the first connecting rod is rotatably connected to the first positioning seat through a bearing, and the second connecting rod is rotatably connected to the second positioning seat through a bearing.
In a preferred embodiment of the present invention, the working medium gas is helium.
As a preferable scheme of the present invention, an inlet of the cooling cavity is connected to an outlet of the water cooling system, and an outlet of the cooling cavity is connected to a return port of the water cooling system.
As a preferable scheme of the present invention, an inlet of the cooling chamber is connected to an outlet of the oil cooling system, and an outlet of the cooling chamber is connected to a return port of the oil cooling system.
As a preferable scheme of the present invention, two exhaust pipes arranged side by side are arranged on the cylinder head body.
In addition, the invention further provides an engine comprising the engine cylinder cover.
Compared with the prior art, the engine cylinder cover and the engine thereof have the advantages that:
according to the invention, working medium gas in the hot cavity is heated to expand and is compressed in the cold cavity when meeting cold, so that the hot end piston reciprocates in the hot cavity, the cold end piston reciprocates in the cold cavity to form outward output power to drive the output gear to rotate, and the output gear can do work outwards and can be used as a power source of systems such as a power generation system, a vacuum system, a carbon tank adsorption system, a water pump system and an oil pump system; and the exhaust heat energy of the exhaust pipe is absorbed and utilized, the temperature is reduced, the cost of the tail gas purification device can be effectively saved, the whole structure is compact, and the occupied space is small.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a perspective view of an engine head provided by the present invention;
FIG. 2 is a cross-sectional view of an engine cylinder head;
in the figure, 1 is an exhaust pipe; 2 is a working medium cavity; 21 is a thermal cavity; 22 is a cold chamber; 23 is a connecting pipe; 3 is a cooling cavity; 31 is the inlet of the cooling chamber; 32 is the outlet of the cooling chamber; 4 is a hot end piston; 5 is a cold end piston; 6 is a hot end transmission component; 61 is a first piston rod; 62 is a first connecting rod; 63 is a first connecting disc; 64 is a first connection portion; 7 is a cold end transmission component; 71 is a second piston rod; 72 is a second connecting rod; 73 is a second connecting disk; 74 is a second connecting portion; 8 is an output gear; 91 is a first positioning seat; 92 is a second positioning seat; and 93 is a bearing.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, an engine cylinder cover according to a preferred embodiment of the present invention includes a cylinder cover body, where the cylinder cover body is provided with an exhaust pipe 1, a working medium cavity 2, a cooling cavity 3, a hot end piston 4, a cold end piston 5, a hot end transmission component 6, a cold end transmission component 7, and an output gear 8, the cylinder cover body is provided with two exhaust pipes 1 arranged side by side, the working medium cavity 2 is filled with a working medium gas, the working medium cavity 2 includes a hot cavity 21, a cold cavity 22, and a connecting pipe 23, the hot cavity 21 is surrounded on the periphery of the exhaust pipe 1, the cold cavity 22 is communicated with the hot cavity 21 through the connecting pipe 23, the cooling cavity 3 is surrounded on the periphery of the cold cavity 22, and a temperature separation between the hot cavity 21 and the cold cavity 22 is formed through the connecting pipe 23; the working medium cavity 2 is of a sealed cavity structure;
the hot end piston 4 can reciprocate on the hot cavity 21, the hot end piston 4 is connected with the output gear 8 through the hot end transmission assembly 6, the cold end piston 5 can reciprocate on the cold cavity 22, and the cold end piston 5 is connected with the output gear 8 through the cold end transmission assembly 7;
when the working medium gas flows to the hot cavity 21 and is heated and expanded under the heating action of the exhaust pipe 1, the expanded working medium gas pushes the hot end piston 4 to move on the hot cavity 21 in the direction away from the exhaust pipe 1, the hot end piston 4 drives the output gear 8 to rotate through the hot end transmission assembly 6, and then the output gear 8 drives the cold end piston 5 to move in the cold cavity 22 in the direction away from the exhaust pipe 1 through the cold end transmission assembly 7;
when the working medium gas flows to the cold chamber 22 and is cooled and contracted under the cooling effect of the cold chamber 3, the contracted working medium gas attracts the cold end piston 5 to move on the cold chamber 22 along the direction close to the exhaust pipe 1, the cold end piston 5 drives the output gear 8 to rotate through the cold end transmission assembly 7, and then the output gear 8 drives the hot end piston 4 to move on the hot chamber 21 along the direction close to the exhaust pipe 1 through the hot end transmission assembly 6. The engine cylinder cover needs to be powered for the first time, namely after the temperature of the working medium gas in the working medium cavity 2 rises, an external motor can be used to be meshed with the output gear 8 to drive the output gear 8 to further drive the hot end piston 4 and the cold end piston 5 to move, and the hot end piston 4 and the cold end piston 5 push the working medium gas in the working medium cavity 2 to flow to form a compression and expansion movement stroke.
Therefore, the working medium gas in the hot cavity 21 is heated to expand, and the gas in the cold cavity 22 is compressed when meeting cold, so that the hot end piston 4 reciprocates in the hot cavity 21, the cold end piston 5 reciprocates in the cold cavity 22 to form outward output power so as to drive the output gear 8 to rotate, and the output gear 8 can do work outwards and can be used as a power source of systems such as a power generation system, a vacuum system, a carbon tank adsorption system, a water pump and an oil pump; and the exhaust heat energy of the exhaust pipe 1 is absorbed and utilized, the temperature is reduced, the cost of the tail gas purification device can be effectively saved, the whole structure is compact, and the occupied space is small.
Specifically, the hot end transmission assembly 6 includes a first piston rod 61, a first connecting rod 62 and a first connecting disc 63, the first connecting disc 63 is provided with a first connecting portion 64 which is eccentrically arranged, a first end of the first piston rod 61 is rotatably connected with the hot end piston 4, a second end of the first piston rod 61 is rotatably connected with the first connecting portion 64, and the first connecting disc 63 is connected with the output gear 8 through the first connecting rod 62; the cold end transmission assembly 7 comprises a second piston rod 71, a second connecting rod 72 and a second connecting disc 73, the second connecting disc 73 is provided with a second connecting part 74 which is eccentrically arranged, a first end of the second piston rod 71 is rotatably connected with the cold end piston 5, a second end of the second piston rod 71 is rotatably connected with the second connecting part 74, and the second connecting disc 73 is connected with the output gear 8 through the second connecting rod 72; the first connecting rod 62 and the second connecting rod 72 are coaxially arranged with the output gear 8, so that the first connecting disc 63, the second connecting disc 73 and the output gear 8 can be synchronously linked, the overall structure is compact, and the occupied space is small.
Illustratively, the diameter of the first connecting disk 63 is larger than the diameter of the second connecting disk 73, the first connecting portion 64 is provided on the outer periphery of the first connecting disk 63, and the second connecting portion 74 is provided on the outer periphery of the second connecting disk 73, so that the stroke of the hot-end piston 4 can be larger than that of the cold-end piston 5.
Exemplarily, a first positioning seat 91 and a second positioning seat 92 are arranged on the cylinder head body, the first connecting rod 62 is rotatably connected with the first positioning seat 91 through a bearing 93, and the second connecting rod 72 is rotatably connected with the second positioning seat 92 through a bearing 93, so that friction between the first connecting rod 62 and the first positioning seat 91 is effectively reduced, friction between the second connecting rod 72 and the second positioning seat 92 is reduced, and the stability of rotation of the first connecting disc 63 and the second connecting disc 73 is ensured.
Preferably, the working medium gas is helium, the helium gas is light, and the energy consumed in the fluid compression process is small; and helium is inert gas, so that the safety and the stability are high.
In this embodiment, the inlet 31 of the cooling cavity is connected to the outlet of the water cooling system, and the outlet 32 of the cooling cavity is connected to the return port of the water cooling system. In another embodiment, the inlet 31 of the cooling chamber is connected with the outlet of the oil cooling system, and the outlet 32 of the cooling chamber is connected with the return port of the oil cooling system, so that the working medium gas flowing through the cooling chamber 22 can be effectively cooled through the cooling chamber 3.
In addition, as shown in fig. 1 to 2, the present embodiment also provides an engine, which is provided with the engine cylinder head, so that all the beneficial effects of the engine cylinder head are achieved, and no description is made herein.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. An engine cylinder cover is characterized by comprising a cylinder cover body, wherein an exhaust pipe, a working medium cavity, a cooling cavity, a hot end piston, a cold end piston, a hot end transmission assembly, a cold end transmission assembly and an output gear are arranged on the cylinder cover body, working medium gas is filled in the working medium cavity, the working medium cavity comprises a hot cavity, a cold cavity and a connecting pipe, the hot cavity is arranged around the periphery of the exhaust pipe, the cold cavity is communicated with the hot cavity through the connecting pipe, and the cooling cavity is arranged around the periphery of the cold cavity; the hot end piston can reciprocate on the hot cavity, the hot end piston is connected with the output gear through the hot end transmission assembly, the cold end piston can reciprocate on the cold cavity, and the cold end piston is connected with the output gear through the cold end transmission assembly;
when the working medium gas flows to the hot cavity and is heated and expanded under the heating action of the exhaust pipe, the expanded working medium gas pushes the hot end piston to move on the hot cavity in the direction away from the exhaust pipe, the hot end piston drives the output gear to rotate through the hot end transmission assembly, and then the output gear drives the cold end piston to move in the cold cavity in the direction away from the exhaust pipe through the cold end transmission assembly;
when the working medium gas flows to the cold cavity and is cooled and contracted under the cooling effect of the cold cavity, the contracted working medium gas attracts the cold end piston to move on the cold cavity along the direction close to the exhaust pipe, the cold end piston drives the output gear to rotate through the cold end transmission assembly, and then the output gear drives the hot end piston to move on the hot cavity along the direction close to the exhaust pipe through the hot end transmission assembly.
2. The engine cylinder head according to claim 1, characterized in that the hot end transmission assembly comprises a first piston rod, a first connecting rod and a first connecting disc, wherein the first connecting disc is provided with a first connecting part which is eccentrically arranged, a first end of the first piston rod is rotatably connected with the hot end piston, a second end of the first piston rod is rotatably connected with the first connecting part, and the first connecting disc is connected with the output gear through the first connecting rod;
the cold end transmission assembly comprises a second piston rod, a second connecting rod and a second connecting disc, the second connecting disc is provided with a second connecting part which is eccentrically arranged, the first end of the second piston rod is rotatably connected with the cold end piston, the second end of the second piston rod is rotatably connected with the second connecting part, and the second connecting disc is connected with the output gear through the second connecting rod; the first connecting rod, the second connecting rod and the output gear are coaxially arranged.
3. The engine head of claim 2, wherein the first connecting disk has a diameter greater than a diameter of the second connecting disk, the first connecting portion being disposed on an outer periphery of the first connecting disk, the second connecting portion being disposed on an outer periphery of the second connecting disk.
4. The engine head according to claim 1, wherein said head body defines a first locating seat and a second locating seat, said first connecting rod being pivotally coupled to said first locating seat by a bearing, and said second connecting rod being pivotally coupled to said second locating seat by a bearing.
5. The engine head of claim 1, wherein said working fluid gas is helium.
6. The engine head as claimed in claim 1, characterized in that the inlet of the cooling chamber is connected to the outlet of the water cooling system and the outlet of the cooling chamber is connected to the return port of the water cooling system.
7. The engine head of claim 1, wherein the inlet of the cooling chamber is connected to an outlet of the oil cooling system and the outlet of the cooling chamber is connected to a return port of the oil cooling system.
8. An engine head according to claim 1, characterized in that said head body is provided with two of said exhaust pipes arranged side by side.
9. An engine, characterized in that it comprises an engine head according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211570710.9A CN115750076B (en) | 2022-12-08 | 2022-12-08 | Engine cylinder cover and engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211570710.9A CN115750076B (en) | 2022-12-08 | 2022-12-08 | Engine cylinder cover and engine thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115750076A true CN115750076A (en) | 2023-03-07 |
| CN115750076B CN115750076B (en) | 2024-04-05 |
Family
ID=85344507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211570710.9A Active CN115750076B (en) | 2022-12-08 | 2022-12-08 | Engine cylinder cover and engine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115750076B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133173A (en) * | 2011-12-01 | 2013-06-05 | 摩尔动力(北京)技术股份有限公司 | Entropy circulating engine |
| CN103470352A (en) * | 2013-09-23 | 2013-12-25 | 谢勇 | Recovery device for automobile exhaust waste heat based on Stirling engine |
| DE102012213878A1 (en) * | 2012-08-06 | 2014-02-06 | István Majoros | Heat engine and thermodynamic cycle for converting heat into useful work |
| CN104153910A (en) * | 2014-07-15 | 2014-11-19 | 合肥工业大学 | Opened circulating Stirling engine |
| CN205206990U (en) * | 2015-12-15 | 2016-05-04 | 华南理工大学 | A stirling for vehicle tail gas remains thermal treatment |
-
2022
- 2022-12-08 CN CN202211570710.9A patent/CN115750076B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133173A (en) * | 2011-12-01 | 2013-06-05 | 摩尔动力(北京)技术股份有限公司 | Entropy circulating engine |
| DE102012213878A1 (en) * | 2012-08-06 | 2014-02-06 | István Majoros | Heat engine and thermodynamic cycle for converting heat into useful work |
| CN103470352A (en) * | 2013-09-23 | 2013-12-25 | 谢勇 | Recovery device for automobile exhaust waste heat based on Stirling engine |
| CN104153910A (en) * | 2014-07-15 | 2014-11-19 | 合肥工业大学 | Opened circulating Stirling engine |
| CN205206990U (en) * | 2015-12-15 | 2016-05-04 | 华南理工大学 | A stirling for vehicle tail gas remains thermal treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115750076B (en) | 2024-04-05 |
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