CN114961981A - Plateau starting flameout solution of small-displacement engine for loader - Google Patents
Plateau starting flameout solution of small-displacement engine for loader Download PDFInfo
- Publication number
- CN114961981A CN114961981A CN202210652649.6A CN202210652649A CN114961981A CN 114961981 A CN114961981 A CN 114961981A CN 202210652649 A CN202210652649 A CN 202210652649A CN 114961981 A CN114961981 A CN 114961981A
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- China
- Prior art keywords
- engine
- centrifugal fan
- loader
- check valve
- way check
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- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
- F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
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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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a plateau starting and flameout solution of a small-displacement engine for a loader, which comprises an engine and is characterized in that an air inlet end of the engine is connected with an engine air filter, an air inlet of the engine air filter is arranged on the engine air filter, the air inlet end of the engine is also connected with a centrifugal fan, a one-way check valve is connected between the centrifugal fan and the air inlet end of the engine, the engine is electrically connected with an engine control assembly, an ECU is electrically connected with the engine control assembly, the one-way check valve and the centrifugal fan, and a storage battery is electrically connected with the engine control assembly, the one-way check valve, the centrifugal fan and a switch. Specifically, ECU, battery and switch all adopt prior art, and no longer give unnecessary details here, and during the use, ECU is used for controlling engine control assembly, one-way check valve and centrifugal fan.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a plateau starting flameout solution of a small-displacement engine for a loader.
Background
The loader with small tonnage of 1.3 tons or less is mainly used for loading engines with the capacity of 7 liters or less, has small displacement and high engine load rate, is difficult to start and is easy to extinguish when operating in a high-altitude area; the adaptability of the working condition is reduced, and the working range is small.
The user is when starting, mostly through tens frequent start and step on the throttle deeply just can reluctantly the car, starts many times simultaneously and will lead to whole car battery feed, and the battery life is short.
When the engine is started, the rotating speed of the engine is low, the air inflow is in direct proportion to the rotating speed of the engine, the air inflow is low, the engine is subjected to self detection, the rotating speed of the engine is increased through injecting more fuel oil, the oil consumption is high, and due to incomplete combustion, a large amount of black smoke exists in exhaust gas, and the exhaust gas exceeds the standard.
Disclosure of Invention
The invention aims to provide a plateau starting and flameout solution for a small-displacement engine for a loader aiming at the problems, and the engine is started quickly and conveniently.
In order to achieve the purpose, the invention discloses a highland starting and flameout solution of a small-displacement engine for a loader, which comprises an engine, wherein an air inlet end of the engine is connected with an engine air filter, an air inlet of the engine air filter is arranged on the engine air filter, the air inlet end of the engine is also connected with a centrifugal fan, a one-way check valve is connected between the centrifugal fan and the air inlet end of the engine, the engine is electrically connected with an engine control assembly, an ECU is electrically connected with the engine control assembly, the one-way check valve and the centrifugal fan, and a storage battery is electrically connected with the engine control assembly, the one-way check valve, the centrifugal fan and a switch. Specifically, ECU, battery and switch all adopt prior art, no longer give unnecessary details here, and during the use, ECU is used for controlling engine control assembly, one-way check valve and centrifugal fan.
Preferably, an installation support is installed in a cabin of the loader, a plurality of supporting legs are connected to the centrifugal fan, and the installation bolts penetrate through the supporting legs and then are in threaded connection with the installation support. When in use, the centrifugal fan is convenient to install.
Preferably, the air outlet end of the engine is connected with a turbocharger, and the turbocharger is positioned between the air filter of the engine and the air inlet end of the engine. When in use, the turbocharger compresses air and inputs the compressed air into the air inlet end of the engine.
Preferably, centrifugal fan has fan air inlet and fan gas outlet, and the fan air inlet is connected with the empty filter of fan, and the fan gas outlet is connected with one-way check valve. When the centrifugal fan is used, air is conveyed to the air inlet end of the engine by the centrifugal fan.
Preferably, the using method comprises the following steps:
s1, opening the one-way check valve and starting the centrifugal fan; compressed air is provided for an air inlet system of the engine, and the starting air consumption is reserved.
S2, starting the engine after the centrifugal fan works for a preset time, and when the rotating speed r of the engine = idle speed + preset rotating speed, sequentially closing the one-way check valve and the centrifugal fan after delaying the preset time; at this time, normal startup is possible.
And S3, when the rotating speed r of the engine reaches the idle speed and continuously runs for a preset time, indicating that the engine is normally started.
Preferably, in step S1, the self-check is completed within 1 to 3 seconds after the one-way check valve and the centrifugal fan are energized. The check of the one-way check valve and the centrifugal fan are convenient.
Preferably, in step S2, the centrifugal fan works for a preset time of 10 to 20 seconds; the preset rotating speed of the engine is 150-250 r/min; the engine delay is preset for 25-35 seconds. At this time, normal startup is possible.
Preferably, in step S3, the engine is continuously operated for a preset time of 25 to 35 seconds.
Preferably, in step S2, the engine is started to drive the turbocharger synchronously.
Preferably, the centrifugal fan is connected with the engine through an air inlet rubber hose.
When the centrifugal fan is started, the one-way check valve is synchronously opened, and the engine rotates to drive the turbocharger to synchronously introduce air passing through an air filter and an air inlet rubber pipe of the engine into the engine; after the engine is started and normally runs, the one-way check valve is closed, so that air is prevented from overflowing through the air inlet rubber tube, and air loss is prevented; the centrifugal fan is integrated with a fan air filter, and an air filter element is arranged in the centrifugal fan, so that air is effectively filtered, and clean air is guaranteed to enter an engine. The engine is started quickly and conveniently, and meanwhile, the engine is completely combusted, so that the pollutant emission is reduced.
In conclusion, the beneficial effects of the invention are as follows: the engine is started quickly and conveniently, and meanwhile, the engine is burnt completely, so that the pollutant emission is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a small displacement engine and a centrifugal fan for a loader according to the present invention;
FIG. 2 is a schematic diagram of a pipeline structure of a small-displacement engine and a centrifugal fan for a loader according to the present invention;
FIG. 3 is a schematic front view of a small displacement engine and a centrifugal fan of the centrifugal fan for a loader according to the present invention;
FIG. 4 is a schematic top view of a small displacement engine and a centrifugal fan of a centrifugal fan for a loader according to the present invention;
fig. 5 is a left side view structural schematic diagram of a small displacement engine for a loader and a centrifugal fan in the centrifugal fan.
In the figure: 1. an engine; 2. an engine air filter; 3. an air inlet of an air filter of the engine; 4. an air inlet rubber pipe; 5. an air outlet rubber pipe; 6. a turbocharger; 7. a one-way check valve; 8. a centrifugal fan; 9. installing a bolt; 10. mounting a bracket; 11. an engine control assembly; 12. an ECU; 13. a storage battery; 14. a switch; 15. a fan air filter; 16. a fan air inlet; 17. a fan air outlet; 18. support the feet.
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 application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
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. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 to 5, a solution for highland starting and flameout of a small-displacement engine for a loader comprises an engine 1, wherein an air inlet end of the engine 1 is connected with an engine air filter 2, an air inlet 3 of the engine air filter is arranged on the engine air filter 2, the air inlet end of the engine 1 is also connected with a centrifugal fan 8, a one-way check valve 7 is connected between the centrifugal fan 8 and the air inlet end of the engine 1, the engine 1 is electrically connected with an engine control assembly 11, an ECU is electrically connected with the engine control assembly 11, the one-way check valve 7 and the centrifugal fan 8, and a storage battery 13 is electrically connected with the engine control assembly 11, the one-way check valve 7, the centrifugal fan 8 and a switch 14. Specifically, the ECU, the battery 13 and the switch 14 all adopt the prior art, and are not described herein again, and when in use, the ECU is used for controlling the engine control assembly 11, the one-way check valve 7 and the centrifugal fan 8.
The mounting support 10 is installed in the cabin of the loader, the centrifugal fan 8 is connected with a plurality of supporting legs 18, and the mounting bolt 9 penetrates through the supporting legs 18 and then is in threaded connection with the mounting support 10. When in use, the centrifugal fan 8 is convenient to install.
The air outlet end of the engine 1 is connected with a turbocharger 6, and the turbocharger 6 is positioned between the air filter 2 of the engine and the air inlet end of the engine 1. In use, the turbocharger 6 compresses air for delivery to the intake end of the engine 1.
The centrifugal fan 8 is provided with a fan air inlet 16 and a fan air outlet 17, the fan air inlet 16 is connected with a fan air filter 15, and the fan air outlet 17 is connected with the one-way check valve 7. When in use, the centrifugal fan 8 delivers air to the intake end of the engine 1.
Specifically, the centrifugal fan 8 is connected with the engine 1 through an air inlet rubber hose 4. The gas hose 4 is used for conveying gas and is convenient to use.
The using method comprises the following steps:
and S1, opening the one-way check valve 7 and starting the centrifugal fan 8. Specifically, in step S1, the self-test is completed within 1 to 3 seconds after the one-way check valve 7 and the centrifugal fan 8 are energized. Compressed air is provided for an air inlet system of the engine 1, and the starting air consumption is reserved.
At the moment, the instrument in the cab synchronously flickers to display a prompt of 'please later in the starting preparation'; how the cab instrument works is the prior art, and is not described in detail herein.
S2, starting the engine 1 after the centrifugal fan 8 operates for a preset time, and when the rotation speed r of the engine 1 = idle speed + preset rotation speed, sequentially closing the one-way check valve 7 and the centrifugal fan 8 after delaying the preset time. Specifically, in step S2, the preset time for the centrifugal fan 8 to operate is 10 to 20 seconds, and preferably, the preset time for the centrifugal fan 8 to operate is 15 seconds; the preset rotating speed of the engine 1 is 150-250 r/min, and preferably, the preset rotating speed of the engine 1 is 200 r/min; the engine 1 is delayed for a predetermined time of 25 to 35 seconds, and preferably, the engine 1 is delayed for a predetermined time of 20 seconds. Specifically, in step S2, the engine 1 starts to synchronously drive the turbocharger 6.
When the centrifugal fan 8 works for 10-20 seconds, the prompt of the instrument in the cab disappears, and at the moment, the centrifugal fan can be started normally.
And S3, when the rotating speed r of the engine 1 reaches the idle speed and continuously runs for a preset time, indicating that the engine 1 is normally started. In step S3, the engine 1 is continuously operated for a preset time period of 25 to 35 seconds, and preferably, the engine 1 is continuously operated for a preset time period of 20 seconds.
When the centrifugal fan 8 is started, the one-way check valve 7 is synchronously started, and the engine 1 rotates to drive the turbocharger 6 to synchronously introduce air passing through the air filter 2 and the air inlet rubber hose 4 of the engine into the engine; after the engine 1 is started and normally runs, the one-way check valve 7 is closed, so that air is prevented from overflowing through the air inlet rubber tube 4, and air loss is prevented; the centrifugal fan 8 is integrated with a fan air filter 15, and an air filter element is arranged in the centrifugal fan, so that air is effectively filtered, and clean air is guaranteed to enter the engine 1. The engine 1 is started quickly and conveniently, and meanwhile, the engine 1 burns completely, so that the pollutant emission is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many 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 (10)
1. The utility model provides a loader is with little discharge capacity engine plateau start flameout solution, including engine (1), a serial communication port, the inlet end of engine (1) is connected with the empty filter of engine (2), be equipped with empty filter air inlet of engine (3) on the empty filter of engine (2), the inlet end of engine (1) still is connected with centrifugal fan (8), be connected with one-way check valve (7) between the inlet end of centrifugal fan (8) and engine (1), engine (1) electricity is connected with engine control assembly (11), ECU and engine control assembly (11), one-way check valve (7), centrifugal fan (8) electricity is connected, battery (13) and engine control assembly (11), one-way check valve (7), centrifugal fan (8), switch (14) electricity is connected.
2. The plateau starting and flameout solution for the small-displacement engine for the loader as recited in claim 1, characterized in that a mounting bracket (10) is installed in a cabin of the loader, a plurality of supporting feet (18) are connected to the centrifugal fan (8), and a mounting bolt (9) is threaded to the mounting bracket (10) after passing through the supporting feet (18).
3. The plateau start fire-extinguishing solution for the small-displacement engine for the loader as recited in claim 1, characterized in that a turbocharger (6) is connected to the air outlet end of the engine (1), and the turbocharger (6) is located between the air filter (2) of the engine and the air inlet end of the engine (1).
4. The plateau start flameout solution for the small-displacement engine for the loader as recited in claim 3, characterized in that the centrifugal fan (8) has a fan air inlet (16) and a fan air outlet (17), the fan air inlet (16) is connected with a fan air filter (15), and the fan air outlet (17) is connected with the one-way check valve (7).
5. The low displacement engine plateau start misfire solution for a loader of claim 4 characterized in that its method of use comprises the steps of:
s1, opening the one-way check valve (7) and starting the centrifugal fan (8);
s2, starting the engine (1) after the centrifugal fan (8) works for a preset time, and when the rotating speed r of the engine (1) = idle speed + a preset rotating speed, delaying the preset time and then closing the one-way check valve (7) and the centrifugal fan (8) in sequence;
and S3, when the rotating speed r of the engine (1) reaches the idle speed and continuously runs for a preset time, indicating that the engine (1) is normally started.
6. The plateau start fire extinguishing solution for the small-displacement engine for the loader as recited in claim 5, characterized in that the self-check is completed within 1 to 3 seconds after the one-way check valve (7) and the centrifugal fan (8) are energized in step S1.
7. The plateau start fire extinguishing solution for the small-displacement engine of the loader as recited in claim 5, characterized in that in step S2, the centrifugal fan (8) is operated for a preset time of 10-20 seconds; the preset rotating speed of the engine (1) is 150-250 r/min; the delay of the engine (1) is preset for 25-35 seconds.
8. The plateau start misfire solution for small displacement engine of loader as recited in claim 5 wherein in step S3, the engine (1) is continuously operated for a preset time of 25-35 seconds.
9. The low-displacement engine plateau start fire extinguishing solution for the loader as recited in claim 5, characterized in that in step S2, the engine (1) starts the synchronous drive turbocharger (6).
10. The plateau starting and flameout solution for the small-displacement engine for the loader as set forth in any one of claims 1 to 9 is characterized in that the centrifugal fan (8) is connected with the engine (1) through an air inlet hose (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210652649.6A CN114961981A (en) | 2022-06-10 | 2022-06-10 | Plateau starting flameout solution of small-displacement engine for loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210652649.6A CN114961981A (en) | 2022-06-10 | 2022-06-10 | Plateau starting flameout solution of small-displacement engine for loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114961981A true CN114961981A (en) | 2022-08-30 |
Family
ID=82960822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210652649.6A Pending CN114961981A (en) | 2022-06-10 | 2022-06-10 | Plateau starting flameout solution of small-displacement engine for loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114961981A (en) |
-
2022
- 2022-06-10 CN CN202210652649.6A patent/CN114961981A/en active Pending
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Applicant after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Applicant before: LOVOL Engineering Machinery Group Co.,Ltd. |
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