CN202645739U - Intelligent speed-regulation control system for diesel engine - Google Patents
Intelligent speed-regulation control system for diesel engine Download PDFInfo
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- CN202645739U CN202645739U CN 201220202810 CN201220202810U CN202645739U CN 202645739 U CN202645739 U CN 202645739U CN 201220202810 CN201220202810 CN 201220202810 CN 201220202810 U CN201220202810 U CN 201220202810U CN 202645739 U CN202645739 U CN 202645739U
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Abstract
The utility model discloses an intelligent speed-regulation control system for a diesel engine. The intelligent speed-regulation control system is characterized by comprising a switching value input/output module, a revolution speed transducer, a temperature/pressure signal sensor, a main controller, a power amplifying circuit, a communication unit module and an actuator, wherein the switching value input/output module, the revolution speed transducer, the temperature/pressure signal sensor, the power amplifying circuit and the communication unit module are all connected with the main controller; the power amplifying circuit is connected with the actuator; and the main controller is an HCS12 singlechip. According to the intelligent speed-regulation control system for the diesel engine, a set of systems for regulating the speed of the diesel engine under a full working condition mode by taking the singlechip as a main control chip and combining a PID (Proportion Integration Differentiation) control algorithm is finished; the system has excellent stability and stronger data handling capacity; a speed regulation system is enabled to have higher real-time performance, and reliability and openness in the practical application; and the working reliability of the diesel engine is further improved, the purposes of reduction in cost, reduction in discharging of harmful substances, and shortening in development period are achieved, so that the system has direct economic benefit and social benefit.
Description
Technical field
The utility model belongs to the electronics and communication technical field, relates to a kind of diesel engine Intelligent speed-adjustable control system.
Background technique
Compare with petrol engine, diesel engine has all many-sided good characteristics such as high moment of torsion, long-life, low power consumption, low emission, thereby is subject to extensive concern, becomes a kind of effective means that solve modern industry automation, energy problem.At present, the using scope of diesel engine in industrial production is more and more wider, and quantity is also more and more, and be also more and more higher to the requirement of the dynamic property of diesel engine, economic performance, emission performance etc.Along with the application in the diesel engine field of microelectronic technology, sensor technology and controlling method, the combination property of diesel engine has obtained larger improving in recent years.Electronic speed regulation technology is realized electronically controlled important component part as diesel engine, becomes the focus of people's research.Through development for many years, electronic speed regulation technology has been realized by the leap of analog electrical minor speed regulator to digital and electronic formula speed regulator.Germany MTU company the nineties in 20th century development and Design ECU.2A Novel digital type electronic speed regulator, it is core controller that system adopts 32 MC68332/FC, utilizing the cascade PID control algorithm to be applied on 396 serial diesel engines, is the representative products of Diesel Engine Digital Electronic Speed System.
The time of China electronic diesel control exploitation is evening relatively, and technology is also relatively backward with respect to developed country, so also there are a certain distance in research level and developed country.The First electronic speed regulator that China is applied on the diesel engine is developed by Shanghai Shipping scientific research institution, and the control performance of system has reached the level of American-European same period of product basically.In addition, Shanxi Province's diesel engine 616 factories and Kazakhstan Department of Automobile Engineering of engineering university joint development have been developed the DRl00 type simulated formula electronic speed regulator that is applied to diesel engine.At the beginning of the 90's, domestic many R﹠D institutions have all launched scientific research to digital electronic speed regulator in succession.The EECS electronic speed regulator of north of China motor 70 research institutes exploitation is with the tandem electronic governing system of the two closed loops of diesel engine combination formation; Shipping scientific research institution, Shanghai has developed the Digital electronic speed control device that the CY9606 type is applied to diesel engine, and in addition, School of Mechanical Engineering of Dalian University of Technology has developed the New Digital Electronic Speed Governor for Diesel Engine that is applied to the railway locomotive type; The DK100 type that Harbin Engineering University develops, DT082 type Digital electronic speed control device etc. all are the leading products of domestic contrast.Because the speed adjusting technique development time of China is evening relatively, the electronic Control for Diesel Engine level is not high, the construction cycle is long, cost is high, cause domestic many achievements in research just to rest on experiment or model machine stage, do not form the product system of a quantification, therefore the advanced level with World Developed Countries also exists larger gap.We also need further to make great efforts to improve in this respect the correlation technique level.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of diesel engine Intelligent speed-adjustable control system, make the diesel oil function under different operating modes, adopt suitable control parameter to regulate, improve the stable state of diesel engine, dynamic speed adjusting performance, make diesel engine safer, economical, work reliably.
The technical solution of the utility model is as follows: a kind of diesel engine Intelligent speed-adjustable control system, it is characterized in that, comprise switching value input/output module, speed probe, temperature/pressure signal emitter, master controller, power amplification circuit, communication unit module and final controlling element; Described switching value input/output module, speed probe, temperature/pressure signal emitter, power amplification circuit, communication unit module all are connected with described master controller; Described power amplification circuit is connected with described final controlling element.Described master controller adopts the HCS12 single-chip microcomputer.
The beneficial effects of the utility model: native system finishes one, and to be embedded with single-chip microcomputer be main control chip, in conjunction with the PID control algorithm, the system that under full operating mode pattern, diesel engine is carried out speed governing, have good stability and stronger data-handling capacity, can make in actual applications speed control system have higher real-time, reliability and opening, further improved the functional reliability of diesel engine, reached the reduction cost, reduce discharge of poisonous waste, shorten the purpose of construction cycle, realize intelligent for diesel engine electric control system simultaneously, specialized development provides a kind of technical thought, and considerable directly and indirectly economic benefit and social benefit are arranged.
Description of drawings
Fig. 1 is structure principle chart of the present utility model.
Embodiment
Embodiment 1: as shown in Figure 1, a kind of diesel engine Intelligent speed-adjustable control system, it is characterized in that, comprise switching value input/output module, speed probe, temperature/pressure signal emitter, master controller, power amplification circuit, communication unit module and final controlling element; Described switching value input/output module, speed probe, temperature/pressure signal emitter, power amplification circuit, communication unit module all are connected with described master controller; Described power amplification circuit is connected with described final controlling element.Described master controller adopts the HCS12 single-chip microcomputer.
Set diesel engine work rotating speed by master controller, the actual engine speed that records with speed probe compares, when setting rotating speed and actual speed unequal the time, produce the rotating speed deviation, carry out the PID computing through master controller, produce pwm control signal, control the tooth bar of final controlling element (actuating motor) pulling diesel injection pump after pwm control signal amplifies through power amplification circuit, regulate the fuel delivery of diesel injection pump, make the diesel oil function under the setting rotating speed, stablize, work reliably.In the above process, actual speed and given rotating speed result's (being deviation) relatively mainly comprises two-part information: deviation " positive and negative " information and deviation amplitude information.If the working speed of setting is less than actual engine speed, deviation is " bearing ", and speed regulator will be exported " negative sense " control, reduces fuel injection quantity by final controlling element control, and engine speed decreases; If the working speed of setting is greater than actual engine speed, deviation is " just ", and speed regulator will be exported " forward " control, increases fuel injection quantity by final controlling element control, and engine speed increases.Deviation amplitude is determined the size of output controlled quentity controlled variable through the processing of master controller, i.e. what of fuel injection quantity control increase or reduce.Wherein in the certain situation of deviation amplitude, the size of output controlled quentity controlled variable must be suitable, if improper, the excessive or too small requirement that all can cause the engine speed shakiness or not reach the real-time speed regulating precision.
In view of temperature and pressure all can produce certain impact to system's control, it is very essential that some parts of diesel engine are carried out the temperature and pressure measurement, the temperature and pressure signal that needs to measure in the diesel engine electronic speed-adjusting and control system mainly contains fuel oil temperature and pressure signal and intake temperature and pressure signal, intake temperature and pressure transducer are installed on the intake manifold, detect in real time temperature and the absolute pressure of the intake manifold at joint, valve rear; Fuel oil temperature and pressure transducer are installed on the diesel engine, detect in real time the pressure changing information of fuel oil.These signals all are converted into voltage signal and deliver to master controller, according to specific algorithm auxiliary adjustment control fuel injection quantity.
System is in operation, often need to accept and send the control signal that some occur with the switching value form, thereby this system special switching value imput output circuit, in its working procedure, be used for detecting the real-time working overview of motor, comprise the status information of enable switch, shutdown switch, gear on-off.The switching value signal comprises ignition switch signal, switch throttle signal, tutorial light signal etc.
This system is in operation, the index of links is all in real-time variation, if just by observation signals such as multimeter, oscillographs, can bring great inconvenience to the processing problem of system, native system has designed the communication unit module, adopt RS232 serial communication and CAN bus communication, realize the functions such as distribution, transmission, filtration, verification of data, improved communication promptness and the reliability of system.
Claims (2)
1. a diesel engine Intelligent speed-adjustable control system is characterized in that, comprises switching value input/output module, speed probe, temperature/pressure signal emitter, master controller, power amplification circuit, communication unit module and final controlling element; Described switching value input/output module, speed probe, temperature/pressure signal emitter, power amplification circuit, communication unit module all are connected with described master controller; Described power amplification circuit is connected with described final controlling element.
2. system according to claim 1 is characterized in that, described master controller is the HCS12 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220202810 CN202645739U (en) | 2012-05-08 | 2012-05-08 | Intelligent speed-regulation control system for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220202810 CN202645739U (en) | 2012-05-08 | 2012-05-08 | Intelligent speed-regulation control system for diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN202645739U true CN202645739U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220202810 Expired - Fee Related CN202645739U (en) | 2012-05-08 | 2012-05-08 | Intelligent speed-regulation control system for diesel engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100382A (en) * | 2014-06-26 | 2014-10-15 | 临沂大学 | Gasoline engine electronic speed controller |
| CN109839821A (en) * | 2019-01-17 | 2019-06-04 | 哈尔滨工程大学 | A kind of marine diesel BP neural network burning-revolving speed double-closed-loop control method |
| CN114810394A (en) * | 2022-05-27 | 2022-07-29 | 重庆红江机械有限责任公司 | Diesel engine analog PID speed regulation circuit |
-
2012
- 2012-05-08 CN CN 201220202810 patent/CN202645739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100382A (en) * | 2014-06-26 | 2014-10-15 | 临沂大学 | Gasoline engine electronic speed controller |
| CN109839821A (en) * | 2019-01-17 | 2019-06-04 | 哈尔滨工程大学 | A kind of marine diesel BP neural network burning-revolving speed double-closed-loop control method |
| CN114810394A (en) * | 2022-05-27 | 2022-07-29 | 重庆红江机械有限责任公司 | Diesel engine analog PID speed regulation circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130508 |