CN112855379A - Power control system for water-cooled engine of electric automobile - Google Patents
Power control system for water-cooled engine of electric automobile Download PDFInfo
- Publication number
- CN112855379A CN112855379A CN202110253704.XA CN202110253704A CN112855379A CN 112855379 A CN112855379 A CN 112855379A CN 202110253704 A CN202110253704 A CN 202110253704A CN 112855379 A CN112855379 A CN 112855379A
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- Prior art keywords
- water
- cylinder
- subsystem
- piston ring
- piston
- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
- F02B47/04—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only
- F02B47/06—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including non-airborne oxygen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0084—Pistons the pistons being constructed from specific materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/10—Pistons having surface coverings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
- F16J9/14—Joint-closures
- F16J9/16—Joint-closures obtained by stacking of rings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a power control system of a water-cooled engine of an electric automobile, which comprises: a battery; a main control module; the water-cooled engine comprises an engine body and a water-cooled subsystem, the water-cooled subsystem is connected with the main control module, the engine body comprises a cylinder and a piston, a piston ring is sleeved outside the piston, at least one first step part is arranged at one circumferential end of the piston ring, at least one second step part is arranged at the other circumferential end of the piston ring, and the first step part and the second step part are correspondingly clamped one to one; the oxygen increasing subsystem is connected with the main control module and is used for supplying oxygen to a combustion chamber of the cylinder; the heat collecting subsystem is connected with the main control module and used for collecting heat of the water cooling subsystem and transmitting the heat to the battery, so that the battery can be always in a proper temperature environment, and normal charging and discharging work of the battery is guaranteed.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to a power control system of a water-cooled engine of an electric automobile.
Background
With the rapid development of the automobile industry and the improvement of economic conditions of people, automobiles enter thousands of households and become one of transportation tools unavailable for people to go out. With the enhancement of energy conservation, emission reduction and environmental awareness, new energy vehicles, especially electric vehicles, are greatly developed, but the battery life of the electric vehicle is greatly shortened in a low-temperature environment in winter, and the user experience is seriously affected, so that improvement is needed.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide a power control system of a water-cooled engine of an electric automobile.
The technical scheme of the invention is as follows: a power control system of a water-cooled engine of an electric automobile comprises: a battery; a main control module; the water-cooled engine comprises an engine body and a water-cooled subsystem used for cooling the engine body, wherein the water-cooled subsystem is connected with the main control module, the engine body comprises a cylinder and a piston capable of moving in the cylinder, a piston ring is sleeved on the piston and abutted against the inner peripheral wall of the cylinder, at least one first step part is arranged at one circumferential end of the piston ring, at least one second step part is arranged at the other circumferential end of the piston ring, and when the piston ring is bent into a ring shape, the first step part and the second step part are correspondingly clamped one by one; the oxygen increasing subsystem is connected with the main control module and is used for supplying oxygen to a combustion chamber of the cylinder; and the heat collecting subsystem is connected with the main control module and is used for collecting the heat of the water cooling subsystem and transmitting the heat to the battery.
Further, the piston is subjected to surface strengthening treatment by micro-arc oxidation.
Furthermore, the piston ring is made of steel vanadium alloy and is plated with chromium on the surface.
Further, the cylinder comprises a cylinder body and a cylinder head connected with the cylinder body, and the cylinder head is subjected to surface treatment by micro-arc oxidation or hard oxidation.
Further, the cylinder body is subjected to surface treatment by hard oxidation to form a first surface layer, then the protective film on the first surface layer is ground off, and then a titanium layer and a DLC layer are sequentially plated to form a composite plating layer.
Compared with the prior art, the invention has the following beneficial effects:
(1) the piston ring is improved, and step parts are respectively arranged at two circumferential ends of the piston ring, so that when the piston ring is closed, a staggered structural form can be formed at the closed position, the opening gap can be effectively reduced, the sealing performance is improved, and the working efficiency of an engine is improved.
(2) The oxygenation subsystem is used for the combustion chamber oxygen suppliment to the cylinder, is favorable to oil gas in the combustion chamber to fully burn from this, reduces gaseous pollutants's production, improves the feature of environmental protection, can also release more heats simultaneously for the car can start more fast.
(3) The heat collecting subsystem is used for collecting heat of the water cooling subsystem and transmitting the heat to the battery, so that the battery can be always in a proper temperature environment, and normal charging and discharging work of the battery is guaranteed.
(4) The piston is subjected to surface strengthening treatment by micro-arc oxidation, the piston ring is made of steel vanadium alloy and is plated with chromium on the surface, the cylinder head of the cylinder is subjected to surface treatment by micro-arc oxidation or hard oxidation, the cylinder body is subjected to surface treatment by hard oxidation to form a first surface layer, then a protective film on the first surface layer is ground, and then a titanium layer and a DLC layer are sequentially plated to form a composite coating, so that the structural strength, the high temperature resistance, the wear resistance and the corrosion resistance of the piston, the piston ring, the cylinder head and the cylinder body can be respectively improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 drawings without creative efforts:
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a prior art piston ring construction;
fig. 3 is a structural view of a piston ring in the present invention.
Reference numerals:
1. a piston ring; 2. a first step portion; 3. a second step portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", "radial", "axial", and the like, indicate orientations and positional relationships based on those 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 particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, 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 by those skilled in the art according to specific situations.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The following describes a power control system of a water-cooled engine of an electric vehicle according to an embodiment of the present invention with reference to fig. 1 to 3 of the accompanying drawings, including: the system comprises a battery, a main control module, a water-cooled engine, an oxygenation subsystem and a heat collection subsystem.
The water-cooled engine comprises an engine body and a water-cooled subsystem used for cooling the engine body, the water-cooled subsystem is connected with the main control module, the engine body comprises a cylinder and a piston capable of moving in the cylinder, a piston ring 1 is sleeved on the piston, and the piston ring 1 is abutted to the inner peripheral wall of the cylinder.
As shown in fig. 3, at least one first stepped portion 2 is provided at one circumferential end of the piston ring 1, at least one second stepped portion 3 is provided at the other circumferential end of the piston ring 1, and when the piston ring 1 is bent into a ring shape, the first stepped portions 2 and the second stepped portions 3 are engaged with each other in a one-to-one correspondence.
Specifically, for the convenience piston ring 1 can be gone into to the piston, piston ring 1 among the prior art is not a totally enclosed annular structure, but is equipped with an opening, and this just leads to when piston ring 1 and the internal perisporium butt of cylinder, is unsatisfactory to the sealed effect of combustion chamber to when piston ring 1 is heated the inflation or is suffered from the cold and contract, can lead to the opening and then diminishes or the grow, make after long-time the use, the cylinder easily weares and teares with the piston. In view of the above, the inventor of the present invention has made an improvement on the piston ring 1, wherein the two ends of the piston ring 1 in the circumferential direction are respectively provided with a step portion, so that when the piston ring 1 is closed, a staggered structure is formed at the closed position, thereby effectively reducing the opening gap, improving the sealing performance, and improving the working efficiency of the engine.
In this embodiment, oxygenation subsystem links to each other with host system, and oxygenation subsystem is used for the combustion chamber oxygen suppliment to the cylinder, is favorable to oil gas in the combustion chamber to fully burn from this, reduces gaseous pollutants's production, improves the feature of environmental protection, can also release more heats simultaneously for the car can start more fast.
In practical applications, the oxygen increasing subsystem may provide oxygen by a chemical oxygen generation method (i.e., oxygen is generated by chemical reaction between substances), or by a physical oxygen storage method (i.e., a gas tank storing oxygen is installed in an automobile), or by absorbing air and separating oxygen from the air for oxygen supply (which is well known to those skilled in the art and is not described herein), and the method is not limited, and may be selected according to actual conditions.
In this embodiment, the heat collection subsystem is connected with the main control module, and the heat collection subsystem is used for collecting the heat of the water cooling subsystem and transmitting to the battery to make the battery be in suitable operational environment. Specifically, for a water-cooled engine, the water-cooled subsystem generally comprises a water tank and a water pump, the water tank is provided with a cooling pipe and a water return pipe, when the water pump works, the water in the water tank flows to the cooling pipe to cool the engine body and then flows back to the water tank through the return pipe, wherein the water temperature in the cooling pipe is lower than that of the water return pipe, the heat collecting subsystem is respectively connected with the cooling pipe and the water return pipe, when the external environment temperature is low (such as in winter), the heat collecting subsystem can collect the heat of the water flow in the water return pipe and transfer the heat to the battery so as to improve the temperature of the battery, when the external environment temperature is high (such as summer), the heat collecting subsystem can collect the heat of the water flow in the cooling pipe and transfer the heat to the battery so as to reduce the temperature of the battery, therefore, the battery can be always in a proper temperature environment, and normal charging and discharging work of the battery is guaranteed.
In practical applications, the heat collecting manner of the heat collecting subsystem is not limited, for example, the heat of the cooling pipe and the heat of the water returning pipe can be collected by using a heat conduction manner, for example, a material with high heat conduction efficiency can be wrapped outside the pipes of the cooling pipe and the water returning pipe to collect the heat, and other manners can also be used without limitation.
Optionally, the heat collection subsystem may also transfer heat to the vehicle to reduce the battery workload. The heat subsystem can be arranged at the bottom of the battery, and an air-conditioning evaporator is arranged at the upper part of the battery to cool the battery in summer.
In this embodiment, the piston is subjected to surface strengthening treatment by micro-arc oxidation. A surface ceramic technology for micro-arc oxidation or plasma electrolytic oxidation features that based on ordinary anodic oxidation, the arc discharge is used to strengthen and activate the reaction on anode, so forming high-quality strengthened ceramic film on the surface of workpiece made of Al, Ti, Mg, etc. the metal on workpiece surface interacts with electrolyte solution to form micro-arc discharge on workpiece surface. Therefore, the strength, the wear resistance, the high temperature resistance and the corrosion resistance of the piston can be improved, the piston is not easy to deform, and the service life is long.
In the embodiment, the piston ring 1 is made of steel vanadium alloy and the surface of the piston ring is plated with chromium, so that the structural strength of the piston ring 1 can be improved, the piston ring has good toughness, the sealing performance is more excellent, fuel is better saved, and the power of an engine is improved.
In the embodiment, the cylinder comprises a cylinder body and a cylinder head connected with the cylinder body, and the cylinder head is subjected to surface treatment by micro-arc oxidation or hard oxidation, so that the structural strength and the high temperature resistance of the cylinder head can be improved, and the cylinder head can resist high temperature and cannot deform when a combustion chamber burns.
Further, the cylinder body is subjected to surface treatment by adopting hard oxidation to form a first surface layer, then the protective film on the first surface layer is ground off, and then the titanium layer and the DLC layer are sequentially plated to form a composite coating, so that the structural strength of the inner peripheral wall of the cylinder body can be improved, and self-lubrication can be realized under an extremely cold condition.
DLC is an abbreviation for DIAMOND-LIKECARBON (DLC-like carbon coating). DLC is a substance composed of carbon elements, similar in properties to diamond, and having a graphite atomic composition structure. DLC is an amorphous thin film that is well suited as a wear resistant coating due to its high hardness and high elastic modulus, low friction factor, abrasion resistance, and good vacuum tribological properties.
Alternatively, the cylinder body can be processed by other process modes, for example, the inner wall of the cylinder body can be subjected to hard oxidation first, then the porous oxide film is used for electrolysis, the cylinder body is taken as the anode to adsorb molybdenum disulfide, and the cylinder body processed by the process can enable the engine to be started easily at low temperature.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. The utility model provides an electric automobile water-cooled engine power control system which characterized in that includes:
a battery;
a main control module;
the water-cooled engine comprises an engine body and a water-cooled subsystem used for cooling the engine body, wherein the water-cooled subsystem is connected with the main control module, the engine body comprises a cylinder and a piston capable of moving in the cylinder, a piston ring is sleeved on the piston and abutted against the inner peripheral wall of the cylinder, at least one first step part is arranged at one circumferential end of the piston ring, at least one second step part is arranged at the other circumferential end of the piston ring, and when the piston ring is bent into a ring shape, the first step part and the second step part are correspondingly clamped one by one;
the oxygen increasing subsystem is connected with the main control module and is used for supplying oxygen to a combustion chamber of the cylinder;
and the heat collecting subsystem is connected with the main control module and is used for collecting the heat of the water cooling subsystem and transmitting the heat to the battery.
2. The power control system of the water-cooled engine of the electric automobile according to claim 1, wherein the piston is subjected to surface strengthening treatment by micro-arc oxidation.
3. The power control system of the water-cooled engine of the electric automobile as recited in claim 1, wherein the piston ring is made of steel vanadium alloy and is plated with chromium.
4. The power control system of the water-cooled engine of the electric automobile according to claim 1, wherein the cylinder comprises a cylinder body and a cylinder head connected with the cylinder body, and the cylinder head is subjected to surface treatment by micro-arc oxidation or hard oxidation.
5. The power control system of the water-cooled engine of the electric automobile as claimed in claim 4, wherein the cylinder block is first surface-treated by hard oxidation to form a first surface layer, then the protective film on the first surface layer is ground off, and then a titanium layer and a DLC layer are sequentially plated to form a composite plating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253704.XA CN112855379A (en) | 2021-03-02 | 2021-03-02 | Power control system for water-cooled engine of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253704.XA CN112855379A (en) | 2021-03-02 | 2021-03-02 | Power control system for water-cooled engine of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855379A true CN112855379A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253704.XA Pending CN112855379A (en) | 2021-03-02 | 2021-03-02 | Power control system for water-cooled engine of electric automobile |
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| CN (1) | CN112855379A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2345729Y (en) * | 1998-08-26 | 1999-10-27 | 周光文 | Reciprocating diaphragm pump |
| CN2895900Y (en) * | 2006-03-31 | 2007-05-02 | 杨生武 | Piston ring |
| CN201068822Y (en) * | 2007-08-17 | 2008-06-04 | 石家庄金刚内燃机零部件集团有限公司 | Novel piston with ceramic film protection layer |
| CN101396953A (en) * | 2007-09-24 | 2009-04-01 | 株式会社电装 | Temperature control device for on-board battery pack |
| CN104685097A (en) * | 2012-05-25 | 2015-06-03 | 马勒发动机零部件巴西有限公司 | A cylinder for application on an internal combustion engine |
| CN106062348A (en) * | 2014-03-04 | 2016-10-26 | 本田技研工业株式会社 | Internal-combustion engine cylinder block and production method therefor |
| CN206602155U (en) * | 2017-03-31 | 2017-10-31 | 德州富路汽车智能化研究有限公司 | A kind of battery of hybrid vehicle cabin temperature control system |
| CN208996838U (en) * | 2018-09-26 | 2019-06-18 | 孔博煜 | A kind of apparatus of oxygen supply for internal combustion engine under constrained environment |
| CN111962123A (en) * | 2020-08-21 | 2020-11-20 | 马鞍山市小沈车行 | Surface treatment method of aluminum alloy wear-resistant part, internal combustion engine piston and application of internal combustion engine piston |
| CN112159950A (en) * | 2020-09-10 | 2021-01-01 | 马鞍山市小沈车行 | Cylinder body nitriding treatment process |
-
2021
- 2021-03-02 CN CN202110253704.XA patent/CN112855379A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2345729Y (en) * | 1998-08-26 | 1999-10-27 | 周光文 | Reciprocating diaphragm pump |
| CN2895900Y (en) * | 2006-03-31 | 2007-05-02 | 杨生武 | Piston ring |
| CN201068822Y (en) * | 2007-08-17 | 2008-06-04 | 石家庄金刚内燃机零部件集团有限公司 | Novel piston with ceramic film protection layer |
| CN101396953A (en) * | 2007-09-24 | 2009-04-01 | 株式会社电装 | Temperature control device for on-board battery pack |
| CN104685097A (en) * | 2012-05-25 | 2015-06-03 | 马勒发动机零部件巴西有限公司 | A cylinder for application on an internal combustion engine |
| CN106062348A (en) * | 2014-03-04 | 2016-10-26 | 本田技研工业株式会社 | Internal-combustion engine cylinder block and production method therefor |
| CN206602155U (en) * | 2017-03-31 | 2017-10-31 | 德州富路汽车智能化研究有限公司 | A kind of battery of hybrid vehicle cabin temperature control system |
| CN208996838U (en) * | 2018-09-26 | 2019-06-18 | 孔博煜 | A kind of apparatus of oxygen supply for internal combustion engine under constrained environment |
| CN111962123A (en) * | 2020-08-21 | 2020-11-20 | 马鞍山市小沈车行 | Surface treatment method of aluminum alloy wear-resistant part, internal combustion engine piston and application of internal combustion engine piston |
| CN112159950A (en) * | 2020-09-10 | 2021-01-01 | 马鞍山市小沈车行 | Cylinder body nitriding treatment process |
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Application publication date: 20210528 |