CN115750076B - Engine cylinder cover and engine thereof - Google Patents
Engine cylinder cover and engine thereof Download PDFInfo
- Publication number
- CN115750076B CN115750076B CN202211570710.9A CN202211570710A CN115750076B CN 115750076 B CN115750076 B CN 115750076B CN 202211570710 A CN202211570710 A CN 202211570710A CN 115750076 B CN115750076 B CN 115750076B
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- Prior art keywords
- cavity
- cold
- hot
- piston
- output gear
- 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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- 238000001816 cooling Methods 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000001307 helium Substances 0.000 claims description 6
- 229910052734 helium Inorganic materials 0.000 claims description 6
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000002912 waste gas Substances 0.000 abstract description 2
- 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
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000010992 reflux 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
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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
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
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 on the periphery of the exhaust pipe in a surrounding manner, the cold cavity is communicated with the hot cavity through the connecting pipe, and the cooling cavity is arranged on the periphery of the cold cavity in a surrounding manner; 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; according to the invention, working medium gas in the hot cavity expands when being heated, and gas in the cold cavity compresses 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 do work outwards; the temperature of the waste gas is reduced, and the cost of the tail gas purifying 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, and after gas entering the engine is combusted in the cylinder, the generated high-temperature and high-pressure waste gas is discharged from an exhaust pipe of the engine cylinder cover, flows through an exhaust catalytic system and is discharged to the atmosphere after being purified. The exhaust gas generated after the engine burns has the characteristics of high temperature, high pressure and the like, and the traditional engine cylinder cover system does not have the function of recycling the energy of the exhaust gas of the engine, so that the waste of energy resources is caused; in addition, the exhaust gas temperature after the engine combustion is high, the requirement on the upper limit value of the use temperature of the subsequent tail gas purifying device is high, and the material use cost of the tail gas purifying device is high.
Disclosure of Invention
The invention aims to provide a device capable of driving an output gear to rotate so that the output gear can do work outwards; and the temperature of the exhaust gas is reduced, and the cost of the tail gas purifying device is saved.
In order to achieve the above object, one aspect of the present invention provides an engine cylinder head, including a cylinder head body, on which an exhaust pipe, a working medium chamber, a cooling chamber, a hot end piston, a cold end piston, a hot end transmission assembly, a cold end transmission assembly, and an output gear are provided, the working medium chamber is filled with working medium gas, the working medium chamber includes a hot chamber, a cold chamber, and a connecting pipe, the hot chamber is surrounded on the outer periphery of the exhaust pipe, the cold chamber is communicated with the hot chamber through the connecting pipe, and the cooling chamber is surrounded on the outer periphery of the cold chamber; 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 a 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 a direction away from the exhaust pipe in the cold cavity through the cold end transmission assembly;
when the working medium gas flows to the cold cavity and is subjected to cold shrinkage under the cooling action of the cooling 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 invention, 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 eccentrically arranged, the first end of the first piston rod is rotationally connected with the hot end piston, the second end of the first piston rod is rotationally 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, wherein a second connecting part which is eccentrically arranged is arranged on the second connecting disc, a first end of the second piston rod is rotationally connected with the cold end piston, a second end of the second piston rod is rotationally 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 and the second connecting rod are coaxially arranged with the output gear.
As a preferable mode of the present invention, the diameter of the first connecting disc is larger than the diameter of the second connecting disc, the first connecting portion is provided on the outer periphery of the first connecting disc, and the second connecting portion is provided on the outer periphery of the second connecting disc.
As a preferable scheme of the invention, the cylinder cover body is provided with a first positioning seat and a second positioning seat, the first connecting rod is rotationally connected with the first positioning seat through a bearing, and the second connecting rod is rotationally connected with the second positioning seat through a bearing.
As a preferable scheme of the invention, the working medium gas is helium.
As a preferable scheme of the invention, the inlet of the cooling cavity is connected with the outlet of the water cooling system, and the outlet of the cooling cavity is connected with the reflux port of the water cooling system.
In a preferred scheme of the invention, the inlet of the cooling cavity is connected with the outlet of the oil cooling system, and the outlet of the cooling cavity is connected with the reflux port of the oil cooling system.
As a preferable scheme of the invention, the cylinder cover body is provided with two exhaust pipes which are arranged side by side.
In addition, the invention also provides an engine, comprising the engine cylinder cover.
Compared with the prior art, the engine cylinder cover and the engine thereof have the beneficial effects that:
according to the invention, working medium gas in the hot cavity is heated and expanded, and gas in the cold cavity is compressed when encountering cold, so that the hot end piston reciprocates in the hot cavity, and 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 a power generation system, a vacuum production system, a carbon tank adsorption system, a water pump, an oil pump and other systems; and the exhaust heat energy of the exhaust pipe is absorbed and utilized, the temperature is reduced, the cost of the tail gas purifying device can be effectively saved, and the whole structure is compact and the occupied space is small.
Drawings
In order to more clearly illustrate the technical solution 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 head;
in the figure, 1 is an exhaust pipe; 2 is a working medium cavity; 21 is a thermal chamber; 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; reference numeral 61 denotes 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 assembly; 71 is a second piston rod; 72 is a second connecting rod; 73 is a second connecting disc; 74 is a second connection; 8 is an output gear; 91 is a first positioning seat; 92 is a second positioning seat; 93 is a bearing.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured 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 of a preferred embodiment of the present invention comprises a cylinder cover body, wherein 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 assembly 6, a cold end transmission assembly 7 and an output gear 8 are arranged on the cylinder cover body, two exhaust pipes 1 are arranged side by side on the cylinder cover body, working medium gas is filled in the working medium cavity 2, the working medium cavity 2 comprises 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 into 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 a 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 a direction away from the exhaust pipe 1 in the cold cavity 22 through the cold end transmission assembly 7;
when the working medium gas flows to the cold cavity 22 and is subjected to cold shrinkage under the cooling action of the cooling cavity 3, the contracted working medium gas attracts the cold end piston 5 to move on the cold cavity 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 cavity 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 is increased, an external motor can be used for being meshed with the output gear 8, the output gear 8 is driven 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, so that a compression expansion movement stroke is formed.
Therefore, working medium gas in the hot cavity 21 is heated and expanded, and gas in the cold cavity 22 is compressed when encountering cold, so that the hot end piston 4 reciprocates in the hot cavity 21, and the cold end piston 5 reciprocates in the cold cavity 22 to form outward output power 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 a power generation system, a vacuum system, a carbon tank adsorption system, a water pump, an oil pump and other systems; and the exhaust heat energy of the exhaust pipe 1 is absorbed and utilized, so that the temperature is reduced, the cost of the tail gas purifying device can be effectively saved, and 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, a first connecting portion 64 eccentrically disposed is disposed on the first connecting disc 63, a first end of the first piston rod 61 is rotationally connected with the hot end piston 4, a second end of the first piston rod 61 is rotationally 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, wherein a second connecting part 74 which is eccentrically arranged is arranged on the second connecting disc 73, a first end of the second piston rod 71 is rotationally connected with the cold end piston 5, a second end of the second piston rod 71 is rotationally 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, the second connecting rod 72 and the output gear 8 are coaxially arranged, so that the first connecting disc 63, the second connecting disc 73 and the output gear 8 can be synchronously linked, the whole structure is compact, and the occupied space is small.
Illustratively, the diameter of the first connecting disc 63 is greater than the diameter of the second connecting disc 73, the first connecting portion 64 is disposed on the outer periphery of the first connecting disc 63, and the second connecting portion 74 is disposed on the outer periphery of the second connecting disc 73, so that the stroke of the hot side piston 4 can be greater than the stroke of the cold side piston 5.
Illustratively, the cylinder cover body is provided with a first positioning seat 91 and a second positioning seat 92, the first connecting rod 62 is rotationally connected with the first positioning seat 91 through a bearing 93, the second connecting rod 72 is rotationally connected with the second positioning seat 92 through the bearing 93, 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 rotational stability 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 flowing compression process is small; helium is inert gas, and the safety and stability of the helium are high.
In this embodiment, the inlet 31 of the cooling chamber is connected to the outlet of the water cooling system, and the outlet 32 of the cooling chamber is connected to the return port of the water cooling system. In another embodiment, the inlet 31 of the cooling cavity is connected with the outlet of the oil cooling system, the outlet 32 of the cooling cavity is connected with the return port of the oil cooling system, and the working medium gas flowing through the cooling cavity 22 can be effectively cooled through the cooling cavity 3.
In addition, as shown in fig. 1 to 2, the present embodiment also provides an engine provided with the engine head described above, and thus has all the advantageous effects of the engine head described above, which are not described herein one by one.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (6)
1. The 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 surrounded on the periphery of the exhaust pipe, the cold cavity is communicated with the hot cavity through the connecting pipe, and the cooling cavity is surrounded on 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 hot end transmission assembly comprises a first piston rod, a first connecting rod and a first connecting disc, a first connecting part which is eccentrically arranged is arranged on the first connecting disc, the first end of the first piston rod is rotationally connected with the hot end piston, the second end of the first piston rod is rotationally 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 piston can reciprocate on the cold cavity, the cold end piston is connected with the output gear through the cold end transmission assembly, the cold end transmission assembly comprises a second piston rod, a second connecting rod and a second connecting disc, a second connecting part which is eccentrically arranged is arranged on the second connecting disc, a first end of the second piston rod is rotationally connected with the cold end piston, a second end of the second piston rod is rotationally connected with the second connecting part, and the second connecting disc is connected with the output gear through the second connecting rod; the diameter of the first connecting disc is larger than that of the second connecting disc, the first connecting part is arranged on the outer periphery of the first connecting disc, the second connecting part is arranged on the outer periphery of the second connecting disc, the first connecting rod, the second connecting rod and the output gear are coaxially arranged, a first positioning seat and a second positioning seat are arranged on the cylinder cover body, the first connecting rod is rotationally connected with the first positioning seat through a bearing, and the second connecting rod is rotationally connected with the second positioning seat through a bearing;
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 a 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 a direction away from the exhaust pipe in the cold cavity through the cold end transmission assembly;
when the working medium gas flows to the cold cavity and is subjected to cold shrinkage under the cooling action of the cooling 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 head of claim 1 wherein said working fluid gas is helium.
3. The engine head of claim 1, wherein the inlet of the cooling chamber is connected to an outlet of a water cooling system and the outlet of the cooling chamber is connected to a return port of the water cooling system.
4. 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.
5. The engine head of claim 1, wherein two of said exhaust pipes are provided side by side on said head body.
6. An engine, characterized by comprising the engine head according to any one of claims 1 to 5.
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 CN115750076A (en) | 2023-03-07 |
| CN115750076B true 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 |
|---|---|
| CN115750076A (en) | 2023-03-07 |
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