CN102337973B - Dual-pulse speed regulator - Google Patents
Dual-pulse speed regulator Download PDFInfo
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- CN102337973B CN102337973B CN 201110329476 CN201110329476A CN102337973B CN 102337973 B CN102337973 B CN 102337973B CN 201110329476 CN201110329476 CN 201110329476 CN 201110329476 A CN201110329476 A CN 201110329476A CN 102337973 B CN102337973 B CN 102337973B
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Abstract
The invention discloses a dual-pulse speed regulator. The dual-pulse speed regulator is suitable for series diesel engines with the power of about 5,000 kW, and is a multifunctional speed regulator which adopts mechanical, hydraulic and electronic compound control. The dual-pulse speed regulator can simultaneously receive mechanical signals and electric signals, and respectively control the rotating speed of a diesel engine independently. When electronic control fails, rapid and automatic switch of the electromechanical control can be realized; and an executing mechanism of the dual-pulse speed regulator adopts a mechanical-hydraulic structure, is similar to the structure of a mechanical-hydraulic speed regulator, and has the same interface size as that of the mechanical-hydraulic speed regulator. The dual-pulse speed regulator improves the reliability of a marine diesel engine electronic regulator remarkably, and contributes to realization of marine engine room automation.
Description
Technical field
The invention belongs to the diesel engine field, be specifically related to a kind of Dual-pulse speed regulator that power is the serial diesel engine about 5000kW that is applicable to.
Background technique
Along with the develop rapidly of electronic technology, high-power diesel engine develops into today with speed regulator, and larger variation has occured.From Purely mechanical speed regulator, hydrodynamic governor the earliest, generally adopt electronic speed regulator, electrohydraulic governor to today.
Speed sensing mechanism, control mechanism and the actuator of mechanical speed governor all adopt machinery type, and its advantage is that reliability is high, but has the shortcoming that ability to work is less, the speed regulator precision is low, generally only is applied to the miniature high-speed diesel engine.
The Speed sensing mechanism of hydrodynamic governor adopts machinery type, and control mechanism and actuator adopt hydraulic way, its advantage is that ability to work is large, reliability is high, but adjusting speed accuracy is general, therefore is widely used in the less demanding middle low speed high power diesel engine of adjusting speed accuracy.
Electronic speed regulator Speed sensing mechanism, control mechanism and actuator all adopt the electronics mode, be characterized in that adjusting speed accuracy is high, but ability to work are less, and poor reliability generally is applied to the not high miniature high-speed diesel engine of reliability requirement.
The Speed sensing mechanism of the fast device of electricity liquid electricity adopts machinery type, control mechanism adopts the electronics mode, and actuator then adopts hydraulic way, therefore has higher ability to work and adjusting speed accuracy, but its reliability is general, now has been widely used in the middle low speed high power diesel engine of having relatively high expectations.
Summary of the invention
For overcoming the problems referred to above that exist in the existing speed regulator technology, the invention discloses a kind of compound speed regulator of double pulsing that power is the serial diesel engine about 5000kW that is applicable to, the present invention specifically by the following technical solutions:
A kind of Dual-pulse speed regulator of diesel engine comprises final controlling element, electronic controller and speed probe three parts, it is characterized in that:
Described electronic controller comprises the speed setting module, the speed acquisition monitoring modular, the rotational speed regulation module, export-restriction module and power output module, described speed setting module is used for the current conversion of 4 ~ 20mA is inputed to described rotational speed regulation module for the voltage corresponding with required setting rotating speed, described speed acquisition monitoring modular is measured the diesel engine speed frequency signal by described speed probe, and this signal is input to described rotational speed regulation module, the output of described rotational speed regulation module links to each other with described power output module, the rotational speed regulation module is produced the control voltage signal output to described power output module, realize the bias correction of diesel engine speed; The input end of described export-restriction module is connected to the diesel engine load and measures mechanism, with the diesel engine load signal as input signal, output terminal is connected to described power output module, and described power control module links to each other with height response servomechanism, and speed controling signal is outputed to final controlling element;
Described final controlling element comprises rotor part, high response servomechanism, slide valve assembly, power piston, electromechanical switching control mechanism, rotor part is the Speed sensing mechanism of the mechanical control section of diesel engine, between described high response servomechanism and slide valve assembly, also be provided with electromechanical switching control mechanism, the output of described rotor part is connected to the input end of described electromechanical control switching mechanism, and the speed controling signal of described high response servomechanism response electronic controller is by described slide valve assembly, power piston control diesel engine speed; When electronic Control for Diesel Engine partly broke down, described dynamo-electric switching mechanism switched to mechanical control method with speed regulator by electronic control mode automatically.
Described export-restriction module has minimum fuel limit, start-up course fuel limit and three kinds of fuel oil controlled quentity controlled variables of stall fuel limit way of output, and selects a minimum control by multichannel diode selecting circuit and export described power output module to as final fuel oil controlled quentity controlled variable.
Described electronic controller also is provided with rotating speed display modular, lifting rotational speed control module, throws application of load module, the module of stopping in emergency, speed gain module, ricing adjustment module.
Described final controlling element has adopted dynamo-electric automatic switchover technology, in case electronic control part breaks down, then automatically because electronic control switches to machinery control, the final controlling element of this moment namely is equivalent to hydrodynamic governor to final controlling element.Drop to when being lower than rated speed that final controlling element arranges about 5% when the diesel oil machine speed turns, switch lever and throw off no longer fully with the guiding valve guide rod and contact, high response this moment electromagnetic servo mechanism no longer works, and diesel engine speed is just assigned to control by the final controlling element Machinery Ministry fully.
Described actuator structure size and mechanical hydraulic-pressure type governor structure mounting interface are measure-alike, have interchangeability with the mechanical hydraulic-pressure type speed regulator.
Described speed probe is the Speed sensing mechanism of electronic control part, and its function is the rotating speed of induction diesel engine and passes the signal along to controller, is equivalent to the rotor part of mechanical governor Ji Xietiaoxie.
The present invention is owing to adopted dynamo-electric automatic switchover technology, make it possess simultaneously the advantage of hydrodynamic governor and electrohydraulic governor, and overcome both shortcoming, and have therefore that ability to work is large, the smart height of speed governing and a high advantage of reliability, be specially adapted to have the diesel engine of specific (special) requirements.
Advantage of the present invention:
(1) Dual-pulse speed regulator receives mechanical signal and electrical signal simultaneously, and can distinguish independent control diesel engine speed.
(2) Dual-pulse speed regulator can be realized the quick automatic switching of electromechanical control when electronic control part breaks down.
(3) significantly improved the reliability of marine diesel engine electronic speed regulator.
(4) be convenient to realize the full-automation of watercraft engine room.
Description of drawings
Fig. 1 is the schematic diagram of Dual-pulse speed regulator of the present invention;
Fig. 2 is electronic controller outline drawing of the present invention;
Fig. 3 is the basic block diagram of final controlling element among the present invention.
Wherein, 1. rotor part 2. slide valve assemblies 3. height respond servomechanisms 4. electromechanical switching control mechanisms 5. power pistons.
Embodiment
Below in conjunction with Figure of description, technological scheme of the present invention is described in further detail.
Technological scheme of the present invention is as follows:
Be illustrated in figure 1 as the schematic diagram of Dual-pulse speed regulator of the present invention.Be introduced below in conjunction with the working principle of schematic diagram to Dual-pulse speed regulator: the compound speed regulator of double pulsing mainly comprises final controlling element, electronic controller and speed probe three major parts, its working principle is that the magnetic speed head of speed probe is responded to the rotating speed of diesel engine and produced alternating voltage, and the frequency of this alternating voltage and the rotating speed of diesel engine are proportional.Velocity transducer outputs to electronic controller speed acquisition monitoring modular with ac voltage signal, the speed acquisition monitoring modular is converted to the d. c. voltage signal that is directly proportional with speed-frequency with this ac voltage signal and is input to the rotational speed regulation module, the rotational speed regulation module is compared the voltage signal of this signal and the generation of speed setting module, and comparison result is converted to voltage signal output power module, the voltage that the output power module is exported the rotational speed regulation module is converted to corresponding control signal and outputs to final controlling element, height response servo in the final controlling element is converted to this control signal more corresponding execution action control guiding valve and moves up or down, control hydraulic oil flows into or the outflow power piston, thereby export the action of refueling or subtracting oil to diesel engine, reach the purpose of control diesel engine speed.Simultaneously in order to improve the Security of diesel engine work, be specially provided with the export-restriction module in the electronic controller, it with the diesel engine load as input signal, output terminal links to each other with the output power module, have minimum fuel limit, start-up course fuel limit and three kinds of fuel oil controlled quentity controlled variables of stall fuel limit way of output, and select a minimum control by multichannel diode selecting circuit and export power output module to as final fuel oil controlled quentity controlled variable.
Be illustrated in figure 2 as electronic controller outline drawing of the present invention.Its upper left corner is output signal interface and rotating speed display interface; The right side is mouse and other interfaces for external devices; The centre is display window, can show the parameters such as rotating speed, speed fluctuation rate, rate of regulating speed in instantaneous; Under be respectively rotary speed setting signal, feedback signal, load signal, rotary speed regulating signal, load and divide interfaces such as being equipped with power supply.Described electronic controller is provided with rotating speed display modular, lifting rotational speed control module, throws application of load module, the module of stopping in emergency, speed gain module, ricing adjustment module.
Be illustrated in figure 3 as the basic block diagram of final controlling element among the present invention.Final controlling element mainly comprises the parts such as rotor part 1, slide valve assembly 2, high response servomechanism 3, electromechanical switching control mechanism 4, power piston 5, its function is the speed controling signal that receives controller, and carry out the action of refueling or subtracting oil according to the requirement of control signal, thereby realize the control to diesel engine speed.The guiding valve that the signal of high response servomechanism self-controller in 3 future is converted in the corresponding execution action control slide valve assembly 2 moves up or down, thereby control hydraulic oil flows into or outflow power piston 5, promote the diesel engine tooth bar and move to subtracting oil or refueling direction, reach the effect of control diesel engine speed.When electronic Control for Diesel Engine partly breaks down, electromechanical switching control mechanism 4 switches to machinery control with speed regulator by electronic control automatically, rotor part 1 is as the Speed sensing mechanism of mechanical control section at this moment, move up or down according to the guiding valve in the diesel engine speed SC sigmal control slide valve assembly 2 of sensing, thereby control hydraulic oil flows into or outflow power piston 5, promote the diesel engine tooth bar and move to subtracting oil or refueling direction, reach the effect of control diesel engine speed.
Claims (5)
1. the Dual-pulse speed regulator of a diesel engine comprises final controlling element, electronic controller and speed probe three parts, it is characterized in that:
Described electronic controller further comprises the speed setting module, the speed acquisition monitoring modular, the rotational speed regulation module, export-restriction module and power output module, described speed setting module is used for the current conversion of 4 ~ 20mA is inputed to described rotational speed regulation module for setting voltage corresponding to rotating speed with needs, described speed acquisition monitoring modular is measured the diesel engine speed frequency signal by described speed probe, and this signal is input to described rotational speed regulation module, the output of described rotational speed regulation module links to each other with described power output module, the control voltage signal that the rotational speed regulation module is produced outputs to described power output module, realizes the bias correction of diesel engine speed; The input end of described export-restriction module is connected to the diesel engine load and measures mechanism, with the diesel engine load signal as input signal, output terminal is connected to described power output module, described power output module links to each other with the height response servomechanism of final controlling element, and speed controling signal is outputed to final controlling element;
Described final controlling element comprises rotor part, high response servomechanism, slide valve assembly, power piston, electromechanical switching control mechanism, rotor part is the Speed sensing mechanism of the mechanical control section of diesel engine, between described high response servomechanism and slide valve assembly, also be provided with electromechanical switching control mechanism, the output of described rotor part is connected to the input end of described electromechanical control switching mechanism, and the speed controling signal of described high response servomechanism response electronic controller is by described slide valve assembly, power piston control diesel engine speed;
When the electronic controller of diesel engine broke down, described dynamo-electric switching mechanism switched to mechanical control method with speed regulator by electronic control mode automatically.
2. the Dual-pulse speed regulator of diesel engine according to claim 1, it is characterized in that: described export-restriction module has minimum fuel limit, start-up course fuel limit and three kinds of fuel oil controlled quentity controlled variables of stall fuel limit way of output, and selects a minimum control by multichannel diode selecting circuit and export described power output module to as final fuel oil controlled quentity controlled variable.
3. the Dual-pulse speed regulator of diesel engine according to claim 1 is characterized in that: described electronic controller also is provided with rotating speed display modular, lifting rotational speed control module, throws application of load module, the module of stopping in emergency, speed gain module, ricing adjustment module.
4. the Dual-pulse speed regulator of diesel engine according to claim 1, it is characterized in that: when final controlling element switches to mechanical control method by electronic control mode, described final controlling element namely is equivalent to hydrodynamic governor, when turning, the diesel oil machine speed drops to when being lower than rated speed that final controlling element arranges about 5%, switching lever throws off no longer fully with the guiding valve guide rod and contacts, high response this moment electromagnetic servo mechanism no longer works, and diesel engine speed is just assigned to control by the final controlling element Machinery Ministry fully.
5. the Dual-pulse speed regulator of diesel engine according to claim 1, it is characterized in that: described actuator structure size and mechanical hydraulic-pressure type governor structure mounting interface are measure-alike, and described final controlling element and mechanical hydraulic-pressure type speed regulator have interchangeability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110329476 CN102337973B (en) | 2010-10-26 | 2011-10-26 | Dual-pulse speed regulator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010519790.6 | 2010-10-26 | ||
| CN201010519790 | 2010-10-26 | ||
| CN 201110329476 CN102337973B (en) | 2010-10-26 | 2011-10-26 | Dual-pulse speed regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102337973A CN102337973A (en) | 2012-02-01 |
| CN102337973B true CN102337973B (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110329476 Active CN102337973B (en) | 2010-10-26 | 2011-10-26 | Dual-pulse speed regulator |
| CN2011204131526U Withdrawn - After Issue CN202273763U (en) | 2010-10-26 | 2011-10-26 | Dual-pulse speed regulator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204131526U Withdrawn - After Issue CN202273763U (en) | 2010-10-26 | 2011-10-26 | Dual-pulse speed regulator |
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| CN (2) | CN102337973B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337973B (en) * | 2010-10-26 | 2013-10-16 | 重庆红江机械有限责任公司 | Dual-pulse speed regulator |
| CN115075957B (en) * | 2022-05-23 | 2024-01-12 | 中核核电运行管理有限公司 | Online monitoring device for modularized diesel engine speed regulating system |
| CN115467750B (en) * | 2022-10-14 | 2024-03-26 | 中船动力研究院有限公司 | Speed regulating system and speed regulating method for diesel engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678983Y (en) * | 2004-01-19 | 2005-02-16 | 伍德沃德（天津）控制器有限公司 | Compensation feedback device of mechanical hydraulic governor |
| CN101225771A (en) * | 2007-11-29 | 2008-07-23 | 哈尔滨工程大学 | Speed regulating device for double pulse mechanical hydraulic-pressure type diesel engine |
| CN202273763U (en) * | 2010-10-26 | 2012-06-13 | 重庆红江机械有限责任公司 | Dual-pulse speed regulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0539734A (en) * | 1991-08-02 | 1993-02-19 | Isuzu Motors Ltd | Electronic-mechanical type complex speed regulator |
-
2011
- 2011-10-26 CN CN 201110329476 patent/CN102337973B/en active Active
- 2011-10-26 CN CN2011204131526U patent/CN202273763U/en not_active Withdrawn - After Issue
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678983Y (en) * | 2004-01-19 | 2005-02-16 | 伍德沃德（天津）控制器有限公司 | Compensation feedback device of mechanical hydraulic governor |
| CN101225771A (en) * | 2007-11-29 | 2008-07-23 | 哈尔滨工程大学 | Speed regulating device for double pulse mechanical hydraulic-pressure type diesel engine |
| CN202273763U (en) * | 2010-10-26 | 2012-06-13 | 重庆红江机械有限责任公司 | Dual-pulse speed regulator |
Non-Patent Citations (5)
| Title |
|---|
| JP特开平5-039734A 1993.02.19 |
| 刘志刚等.电子调速器可靠性设计研究.《船舶工程》.2005,(第06期), |
| 数字式电子调速器ECU2A―G的设计与试验研究;胡丰泽等;《车用发动机》;20060430(第02期);全文 * |
| 电子调速器可靠性设计研究;刘志刚等;《船舶工程》;20051224(第06期);全文 * |
| 胡丰泽等.数字式电子调速器ECU2A―G的设计与试验研究.《车用发动机》.2006,(第02期), |
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| Publication number | Publication date |
|---|---|
| CN102337973A (en) | 2012-02-01 |
| CN202273763U (en) | 2012-06-13 |
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