CN112096540B - Air door control method for low-temperature starting of engine of generator - Google Patents
Air door control method for low-temperature starting of engine of generator Download PDFInfo
- Publication number
- CN112096540B CN112096540B CN202010968427.6A CN202010968427A CN112096540B CN 112096540 B CN112096540 B CN 112096540B CN 202010968427 A CN202010968427 A CN 202010968427A CN 112096540 B CN112096540 B CN 112096540B
- Authority
- CN
- China
- Prior art keywords
- rotation angle
- engine
- air door
- sub
- generator
- 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.)
- Active
Links
Images
Classifications
-
- 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
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
- F02M1/02—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being chokes for enriching fuel-air mixture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention provides a method for controlling an air door when an engine of a generator is started at a low temperature, which comprises the following steps: s1, dividing a rotation angle of an air door of an engine into a first rotation angle N and a second rotation angle F; s2, dividing the first rotation angle N into I sub-rotation angles Ni, wherein I is 1,2,3, … and I; s3, detecting a continuous pulse signal of any phase of a three-phase winding of the generator, and if the continuous pulse signal reaches a set amplitude, if so, entering a step S4; s4, controlling the action of the air door stepping motor, driving the air door to rotate sequentially according to the first sub-rotation angle Ni and then the second rotation angle F, and through the method and the device, the starting state of the engine can be accurately identified, the air door can be ensured to accurately respond according to the starting state of the engine, the engine is ensured to be normally started in a low-temperature state, the starting success rate of the engine is improved, and the problem that the spark plug cannot normally ignite due to wetting caused by unsuccessful starting of the engine is effectively avoided.
Description
Technical Field
The invention relates to a control method, in particular to a method for controlling an air door when an engine of a generator is started at a low temperature.
Background
The existing fuel oil and gas driven generator works by a generator rotor of an engine so as to generate electric energy, when the engine is started, a control system controls the opening speed and the angle of an air door of the engine according to the rotating speed and the temperature of the engine, however, the starting rotating speed of the engine in a low-temperature environment is often compared with the rotating speed for manually starting, so that the control system cannot identify the current running condition of the engine, and the air door cannot be accurately corresponding or the air door is slow and is in time and space, and the engine works abnormally or even stalls.
Therefore, in order to solve the above technical problems, a new technical solution is needed.
Disclosure of Invention
The air door control method for the low-temperature starting of the engine of the generator can accurately identify the starting state of the engine, can ensure that the air door accurately responds according to the starting state of the engine, ensures that the engine is normally started in the low-temperature state, improves the starting success rate of the engine, and effectively avoids the problem that the spark plug is wet and cannot normally ignite due to unsuccessful starting of the engine.
The invention provides a method for controlling an air door when an engine of a generator is started at a low temperature, which comprises the following steps:
s1, dividing a rotation angle of an air door of an engine into a first rotation angle N and a second rotation angle F; wherein
S2, dividing the first rotation angle N into I sub-rotation angles Ni, wherein I is 1,2,3, … and I;
s3, detecting a continuous pulse signal of any phase of a three-phase winding of the generator, and if the continuous pulse signal reaches a set amplitude value, entering a step S4;
and S4, controlling the stepping motor of the air door to act, and driving the air door to rotate sequentially according to the rotation angle Ni of the slave, and then rotating by a second rotation angle F.
Further, the air door rotates at a constant speed within the sub-rotation angle N1 for a time t1, the air door rotates at a constant speed within the sub-rotation angles N2 to NI for a time t2, and t1 is greater than t 2.
Further, after the air door rotates by the first rotation angle N, the air door rotates at a constant speed within the second rotation angle F at a set speed V.
Further, in step S2, each sub-rotation angle is equal.
Further, the ratio of the first rotation angle N to the second rotation angle F is 5:3
The invention has the beneficial effects that: according to the invention, the starting state of the engine can be accurately identified, the air door can be ensured to accurately respond according to the starting state of the engine, the engine can be ensured to be normally started at a low temperature, the starting success rate of the engine is improved, and the problem that the spark plug is wet and cannot normally ignite due to unsuccessful starting of the engine is effectively avoided.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic flow chart of the present invention.
FIG. 2 is a schematic view of the angle division of the present invention.
Fig. 3 is a schematic diagram of a pulse signal.
Detailed Description
The invention is described in further detail below with reference to the drawings of the specification:
the invention provides a method for controlling an air door when an engine of a generator is started at a low temperature, which comprises the following steps:
s1, dividing a rotation angle of an air door of an engine into a first rotation angle N and a second rotation angle F; the sum of the first rotating angle N and the second rotating angle F is K, and the value of K is set according to the attribute of an actual engine, namely the total opening degree of the air door;
s2, dividing the first rotation angle N into I sub-rotation angles Ni, wherein I is 1,2,3, … and I; wherein the angle values of each sub-rotation angle are equal, i.e.: the angle N1 is equal to the angle N2 is equal to … is equal to the angle Ni is equal to NI;
s3, detecting a continuous pulse signal of any phase of a three-phase winding of the generator, and if the continuous pulse signal reaches a set amplitude value, entering a step S4; the pulse signal is taken out from any phase of the three-phase winding and converted from a sine signal;
and S4, controlling the stepping motor of the air door to act, driving the air door to rotate sequentially according to a sub-rotation angle Ni and then a second rotation angle F, and through the method and the device, the starting state of the engine can be accurately identified, the air door can be ensured to accurately respond according to the starting state of the engine, the engine can be ensured to be normally started at a low temperature, the starting success rate of the engine is improved, and the problem that the spark plug cannot be normally ignited due to wetting caused by unsuccessful starting of the engine is effectively avoided.
In this embodiment, the damper rotates at a constant speed within a sub-rotation angle N1 and for a time t1, the damper rotates at a constant speed within a sub-rotation angle N2 to NI and for a time t2 per sub-rotation angle, and t1 is greater than t2, preferably, each sub-rotation angle is 10 °; as shown in fig. 2: in the figure, a is the initial position of the air door of the engine, and assuming that the stepping motor drives the air door to rotate in the counterclockwise direction, the air door firstly rotates through a sub-rotation angle N1, and then sequentially becomes N2, N3, … and NI; when the air door rotates through the sub-rotation angle N1, the preferred time consumption is 5-10 seconds, and when the air door passes through the sub-rotation angles N2 to NI, the time consumption of each sub-rotation angle is 2 seconds, after the air door rotates through the first rotation angle N, the stepping motor continues to drive the air door to rotate, the opening degree is increased, and then the preferred time for the air door to rotate through the second rotation angle F is 3-5 seconds; by the method, the air door opening degree can be enabled to be extremely short at the initial starting of the engine, the air inflow of the engine can be guaranteed, the step loss and the out-of-control of the stepping motor for driving the air door under the low rotating speed of the engine are avoided, and the engine can be prevented from being flameout due to the fact that the air door is opened too fast.
In this embodiment, after the air door rotates by the first rotation angle N, the air door rotates at a constant speed within the second rotation angle F at the set speed V.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (3)
1. A method for controlling an air door when an engine of a generator is started at a low temperature is characterized in that: the method comprises the following steps:
s1, dividing a rotation angle of an air door of an engine into a first rotation angle N and a second rotation angle F;
s2, dividing the first rotation angle N into I sub-rotation angles Ni, where I is 1,2,3, …, I;
s3, detecting a continuous pulse signal of any phase of a three-phase winding of the generator, and if the continuous pulse signal reaches a set amplitude value, entering a step S4;
s4, controlling the stepping motor of the air door to act, and driving the air door to rotate sequentially according to a first slave rotation angle Ni and then rotate by a second rotation angle F;
the air door rotates at a constant speed within a sub-rotation angle N1 for t1, the air door rotates at a constant speed within a sub-rotation angle N2 to NI, the rotation time of each sub-rotation angle is t2, and t1 is more than t 2;
in step S2, each sub-rotation angle is equal.
2. The method for controlling the damper at the time of low-temperature starting of the engine of the generator according to claim 1, wherein: after the air door rotates by the first rotation angle N, the air door rotates at a constant speed within the second rotation angle F at a set speed V.
3. The method for controlling the damper at the time of low-temperature starting of the engine of the generator according to claim 1, wherein: the ratio of the first rotation angle N to the second rotation angle F is 5: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968427.6A CN112096540B (en) | 2020-09-15 | 2020-09-15 | Air door control method for low-temperature starting of engine of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968427.6A CN112096540B (en) | 2020-09-15 | 2020-09-15 | Air door control method for low-temperature starting of engine of generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112096540A CN112096540A (en) | 2020-12-18 |
| CN112096540B true CN112096540B (en) | 2022-09-13 |
Family
ID=73759234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010968427.6A Active CN112096540B (en) | 2020-09-15 | 2020-09-15 | Air door control method for low-temperature starting of engine of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112096540B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667260A (en) * | 2004-03-12 | 2005-09-14 | 本田技研工业株式会社 | Automatic choke |
| JP2005264816A (en) * | 2004-03-18 | 2005-09-29 | Honda Motor Co Ltd | Auto choke device |
| CN101280739A (en) * | 2007-04-04 | 2008-10-08 | 京都电机器株式会社 | Auto choke device for an engine |
| CN201747476U (en) * | 2010-09-03 | 2011-02-16 | 重庆宗申通用动力机械有限公司 | Automatic control device for carburetter choke |
| CN103032205A (en) * | 2012-03-07 | 2013-04-10 | 江苏苏美达机电有限公司 | Digital control device of automatic air choke |
-
2020
- 2020-09-15 CN CN202010968427.6A patent/CN112096540B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667260A (en) * | 2004-03-12 | 2005-09-14 | 本田技研工业株式会社 | Automatic choke |
| JP2005264816A (en) * | 2004-03-18 | 2005-09-29 | Honda Motor Co Ltd | Auto choke device |
| CN101280739A (en) * | 2007-04-04 | 2008-10-08 | 京都电机器株式会社 | Auto choke device for an engine |
| CN201747476U (en) * | 2010-09-03 | 2011-02-16 | 重庆宗申通用动力机械有限公司 | Automatic control device for carburetter choke |
| CN103032205A (en) * | 2012-03-07 | 2013-04-10 | 江苏苏美达机电有限公司 | Digital control device of automatic air choke |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112096540A (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7284522B2 (en) | Automatic choke | |
| EP1577532B1 (en) | Automatic choke | |
| RU2012122211A (en) | STARTER GENERATOR OF A GAS TURBINE ENGINE AND METHOD OF ITS CONTROL | |
| CN102201768A (en) | Brushless motor drive apparatus and drive method | |
| WO2022242708A1 (en) | Motor starting method and readable storage medium | |
| WO2022267483A1 (en) | Control method and apparatus for direct-current motor, and motor control system | |
| CN112096540B (en) | Air door control method for low-temperature starting of engine of generator | |
| US20150311843A1 (en) | Method of loadshedding for a variable speed, constant frequency generator | |
| KR101791341B1 (en) | Continuously Variable Valve Duration Apparatus for Developing On Demanding Engine Ignition Position and Controlling Method thereof | |
| US20120216634A1 (en) | Method for checking engagement of a pinion of a starter system | |
| Aliamkin et al. | Sensorless control of two-phase switched reluctance drive in the whole speed range | |
| CN106440208A (en) | Draught fan PG motor control method, draught fan and air conditioner | |
| CN203965581U (en) | The failure detector of direct current generator Drive and Control Circuit | |
| US20120261916A1 (en) | Power-generation motor control system | |
| CN110410955A (en) | Control method, device, air conditioner and the storage medium of stepper motor | |
| KR20170026229A (en) | Method for determining a contact point of a hybrid clutch of a hybrid vehicle | |
| CN207960984U (en) | A kind of more rotating speed vapour electricity dual drive systems for axial fan | |
| CN114738125B (en) | Remote control system, manual control method and electric control method for air door motor | |
| CN109742987B (en) | Variable speed regulation control method of stepping motor based on variable frequency interruption of timer | |
| CN108750128A (en) | Helicopter control method, device, helicopter and readable storage medium storing program for executing | |
| Rho et al. | Development of robust starting system using sensorless vector drive for a microturbine | |
| CN114531072A (en) | Permanent magnet synchronous motor speed sensorless switching method based on I/F starting | |
| JP4148414B2 (en) | Auto choke device | |
| JPH05207765A (en) | Control method for induction motor | |
| US20130173125A1 (en) | Apparatus for driving shaft rotation and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 401326 No. 88, Al Cheng Avenue, West Peng Town, Jiulongpo District, Chongqing, 2. Applicant after: Chongqing huashidan Power Technology Co.,Ltd. Address before: 401326 No. 88, Al Cheng Avenue, West Peng Town, Jiulongpo District, Chongqing, 2. Applicant before: CHONGQING HUASHIDAN POWER TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |