CN112855353B - Automatic control and monitoring system for engine - Google Patents
Automatic control and monitoring system for engine Download PDFInfo
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- CN112855353B CN112855353B CN202110267832.XA CN202110267832A CN112855353B CN 112855353 B CN112855353 B CN 112855353B CN 202110267832 A CN202110267832 A CN 202110267832A CN 112855353 B CN112855353 B CN 112855353B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 55
- 239000000872 buffer Substances 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Thermal Sciences (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an automatic engine control and monitoring system which comprises a shell and a controller, wherein the shell is used for being installed on a generator, the controller is arranged in the shell, a first buffer mechanism is fixedly arranged at the bottom of the shell, the controller is fixedly arranged on the first buffer mechanism, a top cover is arranged at the top of the shell, first fixing blocks are symmetrically arranged on the outer side of the top cover and fixedly arranged at the top of the shell through first fastening bolts, a cross rod is fixedly arranged on the inner surface of the top cover through the fixing mechanism, a second buffer mechanism is arranged on the cross rod, a cooling fan is fixedly arranged at the bottom of the second buffer mechanism, and cooling holes are symmetrically formed in two sides of the shell. According to the invention, the controller is arranged on the first buffer mechanism, and the first buffer mechanism is utilized to buffer the controller, so that the impact force generated on the controller during impact is reduced, and the service life of the controller is prolonged.
Description
Technical Field
The invention belongs to the technical field of engines, and particularly relates to an automatic engine control and monitoring system.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (reciprocating piston engines), external combustion engines (stirling engines, steam engines, etc.), jet engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is applicable to both power generation devices and to the entire machine (e.g., gasoline engine, aeroengine) including the power plant. Engines were first born in the united kingdom, so the concept of engines also originated in english, the meaning of which refers to the "mechanism for generating power".
The current AI-800C turboprop engine is used for the main engine of light civil coach machines and unmanned aircrafts, but the automatic control and monitoring system of the current AI-800C turboprop engine has some problems: the controller part and the radiator fan part for the engine are inconvenient to buffer impact force generated by collision, so that the service lives of the controller and the radiator fan are reduced, and therefore, the engine automatic control and monitoring system is provided.
Disclosure of Invention
The present invention is directed to an automatic engine control and monitoring system, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an engine automatic control and monitoring system, is including being used for installing casing and the controller on the generator, the controller sets up in the casing, the fixed first buffer gear that is provided with in bottom of casing, the controller is fixed to be set up on the first buffer gear, the top of casing is provided with the top cap, the outside symmetry of top cap is provided with first fixed block, first fixed block is fixed to be set up through first fastening bolt the top of casing, the internal surface of top cap is fixed through fixed establishment and is provided with the cross bar, be provided with second buffer gear on the cross bar, the bottom fixed mounting of second buffer gear has radiator fan, the louvre has been seted up to the bilateral symmetry of casing.
Preferably, the first buffer mechanism comprises a limiting ring, a first spring, a rubber pad and a mounting plate, wherein the bottom of the first spring is fixedly arranged at the bottom of the shell, the top of the first spring is fixedly connected with the lower surface of the mounting plate, the mounting plate is slidably arranged in the limiting ring, and the rubber pad is arranged between the limiting ring and the mounting plate.
Preferably, the bottom of the controller is welded with a bump, and the bump is fixedly connected with the mounting plate through a second fastening bolt.
Preferably, a handle is fixedly arranged in the middle of the upper surface of the top cover.
Preferably, the fixing mechanism comprises a connecting rod, a screw and a bottom plate, one end of the connecting rod is fixedly connected with the cross rod, the other end of the connecting rod is fixedly connected with the bottom plate, and the periphery of the bottom plate is fixedly connected with the top cover through the screw.
Preferably, the second buffer mechanism comprises a chute, a second spring, a sliding block and an I-shaped block, wherein the I-shaped block is arranged at the central position of the cross rod, the chute is arranged on the cross rod, one end of the second spring is fixedly arranged in the chute, the other end of the second spring is fixedly connected with the sliding block, and the other surface of the sliding block is in contact with the middle position of the I-shaped block.
Preferably, the heat dissipation holes on two sides are provided with 12 groups, and the 12 groups of heat dissipation holes are arranged in a 3x4 matrix.
Preferably, the controller comprises a main control system, a backup control system and an engine parameter monitoring system; the main control system comprises an electronic component of an automatic control and monitoring system, a metering pump component which is interconnected with the electronic component of the automatic control and monitoring system, a sensor, an alarm and an engine starting system accessory; the electronic components of the automatic control and monitoring system comprise a main control channel, a backup control channel, an independent module of the free turbine rotor over-rotation protection system, an engine parameter monitoring channel and a vibration monitoring module.
Preferably, the main control system is in communication connection with the backup control system, and is used for controlling oil supply of all working states of the engine, maintaining equivalent rotating speed of a rotor of the core engine, limiting maximum allowable parameter values of all states of the engine, making control instructions to ensure starting of the engine on the ground and in the air, monitoring the state of an automatic control system by a content system, automatically switching to the backup control system when faults occur, ensuring that the automatic protection system closes the engine when the free turbine is overturned, forcibly switching to the backup control system, forming working state characteristics of the engine, receiving information of an aircraft system through a communication protocol channel, forming and transmitting information to an onboard system through the communication protocol channel, and introducing modulation through interconnection with a technical maintenance computer.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the controller is arranged on the first buffer mechanism, and the first buffer mechanism is utilized to buffer the controller, so that the impact force generated on the controller during impact is reduced, and the service life of the controller is prolonged.
(2) According to the invention, the radiator fan is arranged on the second buffer mechanism, and the second buffer mechanism is utilized to buffer the radiator fan, so that the radiator fan can conveniently slide along one side of the cross rod during impact, the impact force on the radiator fan during impact is reduced, and the service life of the radiator fan is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the invention at A;
FIG. 3 is an enlarged view of the invention at B;
FIG. 4 is an enlarged view of the invention at C;
Fig. 5 is a schematic top view of a cross bar according to the present invention.
In the figure: 1. a housing; 2. a controller; 3. a first buffer mechanism; 301. a limiting ring; 302. a first spring; 303. a rubber pad; 304. a mounting plate; 4. a top cover; 5. a first fixed block; 6. a first fastening bolt; 7. a cross bar; 8. a second buffer mechanism; 801. a chute; 802. a second spring; 803. a slide block; 804. an I-shaped block; 9. a heat radiation fan; 10. a heat radiation hole; 11. a bump; 12. a second fastening bolt; 13. a handle; 14. a fixing mechanism; 1401. a connecting rod; 1402. a screw; 1403. a bottom plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution: including casing 1 and the controller 2 that are used for installing on the generator, the controller 2 sets up in casing 1, the fixed first buffer gear 3 that is provided with in bottom of casing 1, the fixed setting of controller 2 is on first buffer gear 3, the top of casing 1 is provided with top cap 4, the outside symmetry of top cap 4 is provided with first fixed block 5, first fixed block 5 is fixed the top that sets up at casing 1 through first fastening bolt 6, the internal surface of top cap 4 is fixed through fixed establishment 14 and is provided with cross bar 7, be provided with second buffer gear 8 on the cross bar 7, the bottom fixed mounting of second buffer gear 8 has radiator fan 9, louvre 10 has been seted up to the bilateral symmetry of casing 1.
Referring to fig. 2, in this embodiment, preferably, the first buffer mechanism 3 includes a stop collar 301, a first spring 302, a rubber pad 303 and a mounting plate 304, where the bottom of the first spring 302 is fixedly disposed at the bottom of the housing 1, the top of the first spring 302 is fixedly connected with the lower surface of the mounting plate 304, the mounting plate 304 is slidably disposed in the stop collar 301, the rubber pad 303 is disposed between the stop collar 301 and the mounting plate 304, and when impacted, the impact force can be buffered by using the first spring 302 and the rubber pad 303 through the first spring 302, thereby increasing the protection effect on the controller 2 and being beneficial to increasing the service life of the controller 2.
Referring to fig. 2, in this embodiment, preferably, the bottom of the controller 2 is welded with a bump 11, the bump 11 is fixedly connected with the mounting plate 304 through a second fastening bolt 12, and the controller 2 can be conveniently disassembled by arranging the second fastening bolt 12 and the bump 11.
Referring to fig. 1, in this embodiment, preferably, a handle 13 is fixedly disposed in the middle of the upper surface of the top cover 4, and by disposing the handle 13, the top cover 4 can be conveniently taken and placed.
Referring to fig. 3, in this embodiment, preferably, the fixing mechanism 14 includes a connecting rod 1401, a screw 1402 and a bottom plate 1403, one end of the connecting rod 1401 is fixedly connected with the cross rod 7, the other end of the connecting rod 1401 is fixedly connected with the bottom plate 1403, the periphery of the bottom plate 1403 is fixedly connected with the top cover 4 through the screw 1402, and the bottom plate 1403 is fixed on the top cover 4 through the screw 1402, so that the cross rod 7 is convenient to install.
Referring to fig. 4 and 5, in this embodiment, preferably, the second buffer mechanism 8 includes a chute 801, a second spring 802, a slider 803 and an i-shaped block 804, where the i-shaped block 804 is disposed at a central position of the cross rod 7, the chute 801 is disposed on the cross rod 7, one end of the second spring 802 is fixedly disposed in the chute 801, the other end of the second spring 802 is fixedly connected with the slider 803, and the other surface of the slider 803 contacts with a middle position of the i-shaped block 804, and when being impacted, the second spring 802 slides into the chute 801 through the i-shaped block 804, and buffers by using the second spring 802, thereby conveniently reducing impact force generated on the cooling fan 9 and conveniently prolonging service life of the cooling fan 9.
Referring to fig. 1, in this embodiment, preferably, the heat dissipation holes 10 on both sides are provided with 12 groups, and the heat dissipation holes 10 of the 12 groups are arranged in a3×4 matrix, so that the heat dissipation effect can be increased.
The principle of the controller for realizing control and monitoring is explained as follows:
The controller comprises a main control system, a backup control system and an engine parameter monitoring system; the main control system comprises an automatic control and monitoring system electronic component, a metering pump component, a sensor, an alarm and an engine starting system accessory, wherein the metering pump component is connected with the automatic control and monitoring system electronic component; the electronic component of the automatic control and monitoring system comprises a main control channel, a backup control channel, an independent module of the free turbine rotor over-rotation protection system, an engine parameter monitoring channel and a vibration monitoring module;
The main control system is in communication connection with the backup control system, and is used for controlling oil supply of all working states of the engine, maintaining equivalent rotating speed of a rotor of the core engine, limiting maximum allowable parameter values of all states of the engine, formulating control instructions to ensure starting of the engine on the ground and in the air, monitoring the state of the automatic control system by the content system, automatically switching to the backup control system when faults occur, ensuring that the automatic protection system closes the engine when the free turbine overturns, forcibly switching to the backup control system, forming working state characteristics of the engine, receiving information of an aircraft system through a communication protocol channel, forming and transmitting information to the airborne system through the communication protocol channel, and interconnecting with a technical maintenance computer for introducing modulation.
The working principle and the advantages of the invention are that: according to the invention, the controller 2 is arranged on the first buffer mechanism 3, the controller 2 can be buffered by utilizing the first buffer mechanism 3, so that the impact force generated on the controller 2 during impact is reduced, and the service life of the controller 2 is prolonged; through installing radiator fan 9 on second buffer gear 8, utilize second buffer gear 8 to cushion radiator fan 9, conveniently when striking, radiator fan 9 slides along one side of cross bar 7 to reduce the impact force to radiator fan 9 production when striking, increased radiator fan 9's life.
Example 2
Referring to fig. 1-5, the present invention provides a technical solution: including casing 1 and the controller 2 that are used for installing on the generator, the controller 2 sets up in casing 1, the fixed first buffer gear 3 that is provided with in bottom of casing 1, the fixed setting of controller 2 is on first buffer gear 3, the top of casing 1 is provided with top cap 4, the outside symmetry of top cap 4 is provided with first fixed block 5, first fixed block 5 is fixed the top that sets up at casing 1 through first fastening bolt 6, the internal surface of top cap 4 is fixed through fixed establishment 14 and is provided with cross bar 7, be provided with second buffer gear 8 on the cross bar 7, the bottom fixed mounting of second buffer gear 8 has radiator fan 9, louvre 10 has been seted up to the bilateral symmetry of casing 1.
Referring to fig. 2, in this embodiment, preferably, the first buffer mechanism 3 includes a stop collar 301, a first spring 302, a rubber pad 303 and a mounting plate 304, where the bottom of the first spring 302 is fixedly disposed at the bottom of the housing 1, the top of the first spring 302 is fixedly connected with the lower surface of the mounting plate 304, the mounting plate 304 is slidably disposed in the stop collar 301, the rubber pad 303 is disposed between the stop collar 301 and the mounting plate 304, and when impacted, the impact force can be buffered by using the first spring 302 and the rubber pad 303 through the first spring 302, thereby increasing the protection effect on the controller 2 and being beneficial to increasing the service life of the controller 2.
Referring to fig. 2, in this embodiment, preferably, the bottom of the controller 2 is welded with a bump 11, the bump 11 is fixedly connected with the mounting plate 304 through a second fastening bolt 12, and the controller 2 can be conveniently disassembled by arranging the second fastening bolt 12 and the bump 11.
Referring to fig. 1, in this embodiment, preferably, a handle 13 is fixedly disposed in the middle of the upper surface of the top cover 4, and by disposing the handle 13, the top cover 4 can be conveniently taken and placed.
Referring to fig. 3, in this embodiment, preferably, the fixing mechanism 14 includes a connecting rod 1401, a screw 1402 and a bottom plate 1403, one end of the connecting rod 1401 is fixedly connected with the cross rod 7, the other end of the connecting rod 1401 is fixedly connected with the bottom plate 1403, the periphery of the bottom plate 1403 is fixedly connected with the top cover 4 through the screw 1402, and the bottom plate 1403 is fixed on the top cover 4 through the screw 1402, so that the cross rod 7 is convenient to install.
Referring to fig. 4 and 5, in this embodiment, preferably, the second buffer mechanism 8 includes a chute 801, a second spring 802, a slider 803 and an i-shaped block 804, where the i-shaped block 804 is disposed at a central position of the cross rod 7, the chute 801 is disposed on the cross rod 7, one end of the second spring 802 is fixedly disposed in the chute 801, the other end of the second spring 802 is fixedly connected with the slider 803, and the other surface of the slider 803 contacts with a middle position of the i-shaped block 804, and when being impacted, the second spring 802 slides into the chute 801 through the i-shaped block 804, and buffers by using the second spring 802, thereby conveniently reducing impact force generated on the cooling fan 9 and conveniently prolonging service life of the cooling fan 9.
Referring to fig. 1, the heat dissipation holes 10 on both sides are provided with 12 groups, and the 12 groups of heat dissipation holes 10 are arranged in a 3x4 matrix, so that the heat dissipation effect can be increased.
The principle of the controller for realizing control and monitoring is explained as follows:
The controller comprises a main control system, a backup control system and an engine parameter monitoring system; the main control system comprises an automatic control and monitoring system electronic component, a metering pump component, a sensor, an alarm and an engine starting system accessory, wherein the metering pump component is connected with the automatic control and monitoring system electronic component; the electronic component of the automatic control and monitoring system comprises a main control channel, a backup control channel, an independent module of the free turbine rotor over-rotation protection system, an engine parameter monitoring channel and a vibration monitoring module;
The main control system is in communication connection with the backup control system, and is used for controlling oil supply of all working states of the engine, maintaining equivalent rotating speed of a rotor of the core engine, limiting maximum allowable parameter values of all states of the engine, formulating control instructions to ensure starting of the engine on the ground and in the air, monitoring the state of the automatic control system by the content system, automatically switching to the backup control system when faults occur, ensuring that the automatic protection system closes the engine when the free turbine is overturned, forcibly switching to the backup control system, forming working state characteristics of the engine, receiving information of an aircraft system through a communication protocol channel, forming and transmitting information to the airborne system through the communication protocol channel, and interconnecting with a technical maintenance computer for introducing modulation;
The backup control system is a simplified mechanical hydraulic system, and is used for automatically controlling oil consumption under the expected use condition of the engine when the main control system or the forced conversion is carried out to the backup control system, and the functions of the backup control system are realized in the metering pump assembly;
The engine parameter monitoring system is in communication connection with the sensor and the alarm, and is used for processing information transmitted by the sensor and the alarm, continuously monitoring engine working parameters, sending out notification when the parameters have limit values, sending out test parameter values to the multifunctional display and the interconnection system, and forming and sending out notification about faults and failures of the engine and the system thereof;
the metering pump component is a mechanical hydraulic transmission accessory and is used for supplying oil to the combustion chamber, metering and stopping oil supply when the main control system and the backup control system work;
The electronic component of the automatic control and monitoring system is an electronic digital computing device and is used for controlling the working state of the main control system, monitoring parameters, monitoring vibration and protecting the free turbine rotor from over-rotation;
The main control system ensures the control of the working state of the engine according to the instruction of the control mechanism of the airborne equipment system, and the working state of the engine comprises: ground and air starting, cold running, false starting, steady state, ground slow car, flying slow car, take-off state, acceleration and deceleration, closing engine according to electronic instruction, and forcibly turning to backup control system;
When the main control system works, the electronic component of the automatic control and monitoring system sends the following instructions to the metering pump component: working a fuel control actuator, starting a fuel supply solenoid valve and a fuel stop supply solenoid valve; the working fuel control executing mechanism stabilizes the proportioning assembly at a required angle position according to the electronic instruction, so that the required oil consumption and the starting fuel supply electromagnetic valve are ensured to be used when the engine is started; terminating the supply of fuel to the solenoid valve when the engine is shut down;
The engine parameter monitoring channel in the electronic component of the automatic control and monitoring system is used for receiving and converting analog signals and discrete signals, continuously monitoring engine working parameters and signals, processing obtained information according to corresponding engineering algorithm, monitoring maximum and allowed maximum values of parameters according to fixed boundaries and variable boundaries, forming comprehensive signals about faulty engines and systems, counting working time and circulation and engine starting times, and monitoring the sliding time of a rotor of a core machine on the ground.
The working principle and the advantages of the invention are that: the system can automatically maintain the set parameter values of each state of the engine and ensure that the protection engine parameters exceed the maximum allowable values; when the control function of the main control system is invalid and is transferred to the backup control system, the engine parameter monitoring system can continue to use the perfect measuring channel to complete all functions except the situation that the electronic components of the automatic control and monitoring system are completely invalid or power supply is stopped; the engine parameter monitoring channel in the automatic control and monitoring system electronic group can timely monitor the technical state of the engine and the system thereof by evaluating the real-time parameters and the engine signals, and simultaneously monitor the engine parameters and the working signals, analyze lubricating oil and view the duct pieces, so that the technical state of the engine and the system thereof can be predicted.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. An automatic engine control and monitoring system comprising a housing (1) for mounting on a generator and a controller (2), characterized in that: the controller (2) is arranged in the shell (1), a first buffer mechanism (3) is fixedly arranged at the bottom of the shell (1), the controller (2) is fixedly arranged on the first buffer mechanism (3), a top cover (4) is arranged at the top of the shell (1), first fixing blocks (5) are symmetrically arranged on the outer side of the top cover (4), the first fixing blocks (5) are fixedly arranged at the top of the shell (1) through first fastening bolts (6), a cross rod (7) is fixedly arranged on the inner surface of the top cover (4) through a fixing mechanism (14), a second buffer mechanism (8) is arranged on the cross rod (7), a cooling fan (9) is fixedly arranged at the bottom of the second buffer mechanism (8), and cooling holes (10) are symmetrically formed in the two sides of the shell (1);
The first buffer mechanism (3) comprises a limiting ring (301), a first spring (302), a rubber pad (303) and a mounting plate (304), wherein the bottom of the first spring (302) is fixedly arranged at the bottom of the shell (1), the top of the first spring (302) is fixedly connected with the lower surface of the mounting plate (304), the mounting plate (304) is slidably arranged in the limiting ring (301), and the rubber pad (303) is arranged between the limiting ring (301) and the mounting plate (304);
the bottom of the controller (2) is welded with a lug (11), and the lug (11) is fixedly connected with the mounting plate (304) through a second fastening bolt (12);
A handle (13) is fixedly arranged in the middle of the upper surface of the top cover (4);
The fixing mechanism (14) comprises a connecting rod (1401), a screw (1402) and a bottom plate (1403), one end of the connecting rod (1401) is fixedly connected with the cross rod (7), the other end of the connecting rod (1401) is fixedly connected with the bottom plate (1403), and the periphery of the bottom plate (1403) is fixedly connected with the top cover (4) through the screw (1402);
The second buffer mechanism (8) comprises a sliding groove (801), a second spring (802), a sliding block (803) and an I-shaped block (804), wherein the I-shaped block (804) is arranged at the central position of the cross rod (7), the sliding groove (801) is arranged on the cross rod (7), one end of the second spring (802) is fixedly arranged in the sliding groove (801), the other end of the second spring (802) is fixedly connected with the sliding block (803), and the other surface of the sliding block (803) is in contact with the middle position of the I-shaped block (804);
The controller comprises a main control system, a backup control system and an engine parameter monitoring system; the main control system comprises an electronic component of an automatic control and monitoring system, a metering pump component which is interconnected with the electronic component of the automatic control and monitoring system, a sensor, an alarm and an engine starting system accessory; the electronic component of the automatic control and monitoring system comprises a main control channel, a backup control channel, an independent module of the free turbine rotor over-rotation protection system, an engine parameter monitoring channel and a vibration monitoring module;
The main control system is in communication connection with the backup control system, and is used for controlling oil supply of all working states of the engine, maintaining equivalent rotating speed of a rotor of the core engine, limiting maximum allowable parameter values of all states of the engine, formulating control instructions to ensure starting of the engine on the ground and in the air, monitoring the state of the automatic control system by the content system, automatically switching to the backup control system when faults occur, ensuring that the automatic protection system closes the engine when the free turbine is overturned, forcibly switching to the backup control system, forming working state characteristics of the engine, receiving information of an aircraft system through a communication protocol channel, forming and transmitting information to the aircraft system through the communication protocol channel, and interconnecting with a technical maintenance computer to introduce modulation.
2. An automatic engine control and monitoring system according to claim 1, wherein: the heat dissipation holes (10) on two sides are provided with 12 groups, and the 12 groups of heat dissipation holes (10) are arranged in a 3x4 matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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