CN103527322A - Digital electric speed regulator and engine speed regulating method - Google Patents
Digital electric speed regulator and engine speed regulating method Download PDFInfo
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- CN103527322A CN103527322A CN201310480485.4A CN201310480485A CN103527322A CN 103527322 A CN103527322 A CN 103527322A CN 201310480485 A CN201310480485 A CN 201310480485A CN 103527322 A CN103527322 A CN 103527322A
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Abstract
The invention provides a digital electric speed regulator and an engine speed regulating method. The digital electric speed regulator comprises a rotating speed controller, an actuator and a rotating speed sensor, wherein the rotating speed controller comprises a rotating speed setting potentiometer which is used for setting a desired speed, an F/V converter which is used for converting analog signals of the actual rotating speed sensor into digital signals and sending the digital signals to the rotating speed controller, a comparator which is used for comparing a desired speed with an actual rotating speed, a rotating speed deviation device which is used for calculating the rotating speed deviation value between the desired speed and the actual rotating speed, and a PID regulator which is used for converting the rotating speed deviation value into a PWM signal to control the actuator, the actuator compresses an internal spring under the action of driving currents to achieve linear motion output, and a pull rod of the actuator acts on a speed regulating handle of an engine to control the engine to operate stably at the set rotating speed. The digital electric speed regulator and the engine speed regulating method have the advantages that a power system can be operated and run more safely, the discreteness is good, and stability is good.
Description
Technical field
The present invention relates to a kind of digitalized electron speed regulator and engine governed speed method.
Background technique
The need of work of diesel engine is stablized by a speed regulator, be called speed regulator, the diesel engine of generally using at present, its fuel feed amount is by the determining positions of injection pump plunger, the position of injection pump plunger is controlled tooth bar by the plunger position in Injection Pump and is regulated, associated by between rotating speed device and plunger position control tooth bar of speed regulator, by the pattern of " reverse feedback ", stablize the rotating speed of diesel engine and prevent driving, the principle of mechanical governor Ji Xietiaoxie is that centrifugal force and the spring equilibrium of forces by flying to produce when piece rotates carrys out adjusting rotary speed; When spring force one timing, the centrifugal force that rotating speed height produces while rotating is very fast large, promotes plunger position control tooth bar fuel delivery is reduced, thereby reduce the rotating speed of motor; The centrifugal force that rotating speed is low to be produced while flying piece rotation is little, promotes plunger position and controls tooth bar fuel delivery is increased, thereby improve the rotating speed of motor, reaches dynamic stable; Strengthen or reduce throttle, being exactly in fact to change spring force by changing the size of camber of spring, thereby making diesel engine be issued at new rotating speed the rotating speed that new balance changes motor.But mechanical governor Ji Xietiaoxie still has shortcoming, be that speed governing is one-time-reach-place and has inertia, and the speed-regulating mode of this machinery need to and fly block system and adjusts accurately and coordinate with Injection Pump spring, speed governing sensitivity decline when as not good in coordinated and inertia increases, although it is very fast to occur adding, increase, slow down while subtracting throttle, but oil inflame is incomplete, cause that oil consumption is higher, black smoke, toxic emission be serious; Simultaneously, under the working condition of diesel generator, spring force can not be changed after once setting, and load needs fuel delivery to increase while increasing, and only having speedup to reduce fuel delivery could increase.
Engine governor is that motor is stablized and is controlled at the control gear moving under the working speed of setting, has on the market: mechanical governor Ji Xietiaoxie, hydrodynamic governor, electrohydraulic governor, electronic speed regulator, centrifugal and vacuum governor according to the difference of its implementation.For a long time, diesel engine mainly adopts mechanical type and mechanical hydraulic-pressure type and analog electronic speed regulator.But these two kinds there is fatal unstability and discrete lines, in many occasions, can not meet the demands far away.Simulation electronic speed regulator is arithmetic circuit, servo circuit, feeder loop composition, in calculating process, there is floating of discreteness and stability, the circuit that many discrete devices form like this, as long as a device occurs that parameter variation just can affect whole circuitry, if a plurality of element occurs that parameter variation issue is more serious.
The problems referred to above are the problems that should pay attention to and solve in the design and production process of speed regulator.
Summary of the invention
The object of this invention is to provide the unstability and the discrete lines that in a kind of digitalized electron speed regulator and engine governed speed method solution prior art, exist can not meet the demands far away in many occasions, and there is floating of discreteness and stability in simulation electronic speed regulator in calculating process, the circuit that many discrete devices form like this, as long as a device occurs that parameter variation just can affect whole circuitry, if the problem that parameter variation issue is more serious appears in a plurality of element.
Technical solution of the present invention is:
A kind of digitalized electron speed regulator, comprise for setting the rotational speed governor of desired speed, for gathering the speed probe of actual speed, for adjusting the final controlling element of actual speed, described rotational speed governor comprises for setting the speed setting potentiometer of desired speed, for the analogue signal of actual speed sensor is converted to digital signal to the F/V transducer of rotational speed governor, comparator for more satisfactory rotating speed and actual speed, for calculating the rotating speed deviator of the rotating speed departure of desired speed and actual speed, for changing rotating speed departure, into pwm signal, control the PID regulator of final controlling element, described final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, the speed-regulating handle of the pull bar effect motor of described final controlling element, carry out control engine stable operation under the rotating speed setting.
Preferably, the actual speed of described motor is gathered by the speed probe that is installed on flywheel ring gear position.
Preferably, described speed probe adopts magnetoelectric tachometric transducer, and described speed probe comprises magnetic conduction probe, coil, magnet steel, and the magnetic force that described magnet steel produces is popped one's head in and formed the closed magnetic line of force by magnetic conduction, and described coil winding is on magnetic conduction probe.
Preferably, described final controlling element adopts electromagnetic actuator, described final controlling element comprises armored direct current proportion electro-magnet, controls electric current proportional in the oiling direction driving force of described final controlling element and coil winding, and the oily direction reposition force that subtracts of described final controlling element is produced by Returnning spring.
An engine governed speed method for speed regulator, comprises the following steps:
The desired speed of motor is set by the speed setting potentiometer of rotational speed governor, the actual speed of motor is gathered by the speed probe that is installed on flywheel ring gear position, the output signal of described speed probe is frequency sine wave signal proportional to engine speed, this signal imitation sine wave signal is converted to digital square-wave by F/V transducer, with speed setting value through comparator relatively after, by rotating speed deviator, obtain rotating speed departure, this rotating speed departure changes into PWM current control mode after PID regulator operation amplifier, to final controlling element output driving current, final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, the speed-regulating handle of final controlling element pull bar effect motor, carry out control engine stable operation under the rotating speed setting.
Preferably, the stable operation under the rotating speed setting of described motor, makes generator set export constant 380V alternating voltage.
The invention has the beneficial effects as follows: a kind of digitalized electron speed regulator of the present invention and engine governed speed method, can be by engine control stable operation and can overcome discreteness improving stability under permanent rotating speed.This kind of digitalized electron speed regulator comprises rotational speed governor, final controlling element, speed probe, rotational speed governor comprises for setting the speed setting potentiometer of desired speed, for the analogue signal of actual speed sensor is converted to digital signal to the F/V transducer of rotational speed governor, comparator for more satisfactory rotating speed and actual speed, for calculating the rotating speed deviator of the rotating speed departure of desired speed and actual speed, for changing rotating speed departure, into pwm signal, control the PID regulator of final controlling element, described final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, the speed-regulating handle of the pull bar effect motor of described final controlling element, carry out control engine stable operation under the rotating speed setting.Compared with prior art, a kind of digitalized electron speed regulator of the present invention and engine governed speed method, make that power system operation operation is safer, discreteness is better, stability is better.
Accompanying drawing explanation
Fig. 1 is the explanation block diagram of the embodiment of the present invention;
Wherein: 11-rotational speed governor, 12-speed probe, 13-electromagnetic actuator, 20-motor, 30-power supply, 111-speed setting potentiometer, 112-comparator, 113-rotating speed deviator, 114-F/V transducer, 115-PID regulator.
Embodiment
Below in conjunction with accompanying drawing, describe the preferred embodiments of the present invention in detail.
As shown in Figure 1, the present embodiment provides a kind of digitalized electron speed regulator, comprise for setting the rotational speed governor 11 of desired speed, for gathering the speed probe 12 of actual speed, for adjusting the final controlling element of actual speed, described rotational speed governor 11 comprises for setting the speed setting potentiometer 111 of desired speed, for the analogue signal of actual speed sensor 12 is converted to digital signal to the F/V transducer 114 of rotational speed governor 11, comparator 112 for more satisfactory rotating speed and actual speed, for calculating the rotating speed deviator 113 of the rotating speed departure of desired speed and actual speed, for changing rotating speed departure, into pwm signal, control the PID regulator 115 of final controlling element, described final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, the speed-regulating handle of the pull bar effect motor 20 of described final controlling element, carry out control engine 20 stable operation under the rotating speed setting.
Described speed probe 12 adopts magnetoelectric tachometric transducer 12, and described speed probe 12 comprises magnetic conduction probe, coil, magnet steel, and the magnetic force that described magnet steel produces is popped one's head in and formed the closed magnetic line of force by magnetic conduction, and described coil winding is on magnetic conduction probe.Described final controlling element adopts electromagnetic actuator 13, and described final controlling element comprises armored direct current proportion electro-magnet, controls electric current proportional in the oiling direction driving force of described final controlling element and coil winding, and the oily direction reposition force that subtracts of described final controlling element is produced by Returnning spring.
A kind of digitalized electron speed regulator of the present embodiment, is powered and for regulating the rotating speed of motor 20 by power supply 30.This kind of digitalized electron speed regulator, comprise rotational speed governor 11, final controlling element, speed probe 12 and the cable that is connected above-mentioned parts, the desired speed of motor 20 is set by the speed setting potentiometer 111 on rotational speed governor 11, the actual speed of motor 20 is gathered by the magnetoelectric tachometric transducer 12 that is installed on flywheel ring gear position, and the output signal of speed probe 12 is frequency and the proportional AC sine wave signal of motor 20 rotating speed, this signal is through modulus signal transducer, and F/V transducer 114, are converted to digital square-wave, and after speed setting value, obtains rotating speed departure, this rotating speed departure is through PID regulator 115, it is proportional-integral derivative controller, after operation amplifier, change into PWM, it is pulse width modulation electrical current control mode, to final controlling element output driving current, final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, final controlling element is armored direct current proportion electro-magnet, in the oiling direction driving force of final controlling element and coil winding, control electric current proportional, subtracting oily direction reposition force is produced by Returnning spring, final controlling element pull bar effect diesel engine 20 speed-regulating handles, thereby control engine 20 stable operation under the rotating speed setting.
The working principle of this kind of digitalized electron speed regulator is: by comparing setting motor 20 actual speed that working speed and detecting element record, result relatively, be deviation, comprise two-part information: deviation " positive and negative " information and deviation amplitude information.
The effect of deviation " positive and negative " information is: if motor 20 actual speed are greater than the working speed of setting, deviation is " bearing ", and speed regulator will be exported " negative sense " and control, and by executive component, reduce fuel quantity, and motor 20 rotating speeds decrease; If motor 20 actual speed are less than the working speed of setting, deviation is " just ", and speed regulator will be exported " forward " and control, and by executive component, increase fuel quantity, and motor 20 rotating speeds increase.
The effect of deviation amplitude information is: deviation amplitude is through MCU, it is the processing of microprocessor or microcontroller, determine the size of output controlled quentity controlled variable, increase or reduce fuel quantity number, in the situation that deviation amplitude is certain, the size of output controlled quentity controlled variable must be suitable, excessive or too smallly all can cause motor 20 rotary speed unstabilizations or not reach adjusting speed accuracy requirement.
The desired speed of motor 20 is set by the speed setting potentiometer 111 of rotational speed governor 11, the actual speed of motor 20 is gathered by the speed probe 12 that is installed on flywheel ring gear position, the output signal of described speed probe 12 is frequency and the proportional sine wave signal of motor 20 rotating speed, this signal imitation sine wave signal is converted to digital square-wave by F/V transducer 114, with speed setting value through comparator 112 relatively after, by rotating speed deviator 113, obtain rotating speed departure, this rotating speed departure changes into PWM current control mode after PID regulator 115 operation amplifiers, to final controlling element output driving current, final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, the speed-regulating handle of final controlling element pull bar effect motor 20, carry out control engine 20 stable operation under the rotating speed setting.The stable operation under the rotating speed setting of described motor 20, makes generator set export constant V alternating voltage.
The desired speed of motor 20 is set by speed setting potentiometer 111 and external trimmer potentiometer, and wherein, external trimmer potentiometer is selectable unit (SU), can select according to actual needs arrange or do not arrange.The actual speed of motor 20 is experienced by the magnetoelectric tachometric transducer 12 that is installed on flywheel ring gear position, and the output signal of speed probe 12 is frequency and the proportional AC sine wave signal of motor 20 rotating speed, this signal is converted to digital square-wave through analog-digital converter, and after speed setting value, obtains rotating speed departure, this deviation draws motor 20 fuel feed positions after PID regulator 115 operation amplifiers, it is executive component stable state output order position, this location of instruction and the actual outgoing position of current electromagnetic actuator 13 relatively after, obtain positional deviation amount, this deviation is again after PID regulator 115 operation amplifiers, change into PWM current control mode, to electromagnetic actuator 13 output driving currents, to change the outgoing position of electromagnetic actuator 13, drive motor 20 injection pump racks, closure or fuel control valve are to the direction motion that reduces rotating speed deviation, thereby control engine 20 stable operation under the rotating speed setting.
The foregoing is only better embodiment of the present invention; protection scope of the present invention is not limited with above-mentioned mode of execution; in every case the equivalence that those of ordinary skills do according to disclosed content is modified or is changed, and all should include in the protection domain of recording in claims.
Claims (6)
1. a digitalized electron speed regulator, it is characterized in that: comprise the rotational speed governor (11) for setting desired speed, for gathering the speed probe (12) of actual speed, for adjusting the final controlling element of actual speed, described rotational speed governor (11) comprises for setting the speed setting potentiometer (111) of desired speed, for the analogue signal of actual speed sensor (12) is converted to digital signal to the F/V transducer (114) of rotational speed governor (11), comparator (112) for more satisfactory rotating speed and actual speed, for calculating the rotating speed deviator (113) of the rotating speed departure of desired speed and actual speed, for changing rotating speed departure, into pwm signal, control the PID regulator (115) of final controlling element, described final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, the speed-regulating handle of the pull bar effect motor (20) of described final controlling element, carry out control engine (20) stable operation under the rotating speed setting.
2. digitalized electron speed regulator as claimed in claim 1, is characterized in that: the actual speed of described motor (20) is gathered by the speed probe (12) that is installed on flywheel ring gear position.
3. digitalized electron speed regulator as claimed in claim 1 or 2, it is characterized in that: described speed probe (12) adopts magnetoelectric tachometric transducer (12), described speed probe (12) comprises magnetic conduction probe, coil, magnet steel, the magnetic force that described magnet steel produces is popped one's head in and is formed the closed magnetic line of force by magnetic conduction, and described coil winding is on magnetic conduction probe.
4. digitalized electron speed regulator as claimed in claim 1 or 2, it is characterized in that: described final controlling element adopts electromagnetic actuator (13), described final controlling element comprises armored direct current proportion electro-magnet, in the oiling direction driving force of described final controlling element and coil winding, control electric current proportional, the oily direction reposition force that subtracts of described final controlling element is produced by Returnning spring.
5. according to motor (20) speed regulating method for the digitalized electron speed regulator described in claim 1-4 any one, it is characterized in that, comprise the following steps:
The desired speed of motor (20) is set by the speed setting potentiometer (111) of rotational speed governor (11), the actual speed of motor (20) is gathered by the speed probe (12) that is installed on flywheel ring gear position, the output signal of described speed probe (12) is frequency and the proportional sine wave signal of motor (20) rotating speed, this signal imitation sine wave signal is converted to digital square-wave by F/V transducer (114), with speed setting value through comparator (112) relatively after, by rotating speed deviator (113), obtain rotating speed departure, this rotating speed departure changes into PWM current control mode after PID regulator (115) operation amplifier, to final controlling element output driving current, final controlling element changes and does straight line motion output at the effect lower compression contained spring of driving current, the speed-regulating handle of final controlling element pull bar effect motor (20), carry out control engine (20) stable operation under the rotating speed setting.
6. motor as claimed in claim 1 (20) speed regulating method, is characterized in that: described motor (20) stable operation under the rotating speed setting, makes generator set export constant 380V alternating voltage.
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| CN201310480485.4A CN103527322A (en) | 2013-10-15 | 2013-10-15 | Digital electric speed regulator and engine speed regulating method |
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| CN201310480485.4A CN103527322A (en) | 2013-10-15 | 2013-10-15 | Digital electric speed regulator and engine speed regulating method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993968A (en) * | 2014-02-20 | 2014-08-20 | 中国北方发动机研究所(天津) | Method for modifying flywheel ring gear tooth profile error |
| CN104859860A (en) * | 2015-05-22 | 2015-08-26 | 厦门大学 | Automatically-controlled electronic speed regulator for unmanned aerial vehicle power device |
| CN105065130A (en) * | 2015-09-06 | 2015-11-18 | 中国人民解放军军械工程学院 | Diesel engine digital speed regulating control device and control method thereof |
| CN110332051A (en) * | 2019-08-27 | 2019-10-15 | 广州市能动机电设备有限公司 | A kind of Self-tuning System engine digital intelligent speed regulation device |
| CN113062806A (en) * | 2021-03-08 | 2021-07-02 | 河北华北柴油机有限责任公司 | Pump set speed regulation control method based on EMR system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025132Y (en) * | 2007-04-03 | 2008-02-20 | 中国船舶重工集团公司第七一一研究所 | A digital electronic speed adjustor based on self-adapted control |
| CN201063575Y (en) * | 2007-07-30 | 2008-05-21 | 杨仕 | Electronic speed controller for gasoline generator set |
| CN202768156U (en) * | 2012-07-06 | 2013-03-06 | 上海盈高电子科技有限公司 | Digitization electron speed regulator |
| CN103527333A (en) * | 2012-07-06 | 2014-01-22 | 上海盈高电子科技有限公司 | Digitalized electronic speed regulator and engine speed regulation method |
| CN203614235U (en) * | 2013-10-15 | 2014-05-28 | 苏州盈高电控科技有限公司 | Digital electronic governor |
-
2013
- 2013-10-15 CN CN201310480485.4A patent/CN103527322A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201025132Y (en) * | 2007-04-03 | 2008-02-20 | 中国船舶重工集团公司第七一一研究所 | A digital electronic speed adjustor based on self-adapted control |
| CN201063575Y (en) * | 2007-07-30 | 2008-05-21 | 杨仕 | Electronic speed controller for gasoline generator set |
| CN202768156U (en) * | 2012-07-06 | 2013-03-06 | 上海盈高电子科技有限公司 | Digitization electron speed regulator |
| CN103527333A (en) * | 2012-07-06 | 2014-01-22 | 上海盈高电子科技有限公司 | Digitalized electronic speed regulator and engine speed regulation method |
| CN203614235U (en) * | 2013-10-15 | 2014-05-28 | 苏州盈高电控科技有限公司 | Digital electronic governor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993968A (en) * | 2014-02-20 | 2014-08-20 | 中国北方发动机研究所(天津) | Method for modifying flywheel ring gear tooth profile error |
| CN104859860A (en) * | 2015-05-22 | 2015-08-26 | 厦门大学 | Automatically-controlled electronic speed regulator for unmanned aerial vehicle power device |
| CN105065130A (en) * | 2015-09-06 | 2015-11-18 | 中国人民解放军军械工程学院 | Diesel engine digital speed regulating control device and control method thereof |
| CN105065130B (en) * | 2015-09-06 | 2018-07-06 | 中国人民解放军军械工程学院 | A kind of diesel engine digital speed-regulating control device and its control method |
| CN110332051A (en) * | 2019-08-27 | 2019-10-15 | 广州市能动机电设备有限公司 | A kind of Self-tuning System engine digital intelligent speed regulation device |
| CN113062806A (en) * | 2021-03-08 | 2021-07-02 | 河北华北柴油机有限责任公司 | Pump set speed regulation control method based on EMR system |
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