CN102337973A - Dual-pulse speed regulator - Google Patents
Dual-pulse speed regulator Download PDFInfo
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- CN102337973A CN102337973A CN2011103294766A CN201110329476A CN102337973A CN 102337973 A CN102337973 A CN 102337973A CN 2011103294766 A CN2011103294766 A CN 2011103294766A CN 201110329476 A CN201110329476 A CN 201110329476A CN 102337973 A CN102337973 A CN 102337973A
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- 230000033228 biological regulation Effects 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 7
- 239000000295 fuel oil Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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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, being specifically related to a kind of power that is applicable to is the double pulsing speed regulator of the serial diesel engine about 5000kW.
Background technique
Along with the develop rapidly of electronic technology, high-power diesel engine develops into today with speed regulator, and bigger variation has taken place.From Purely mechanical speed regulator, hydrodynamic governor the earliest, generally adopt electronic speed regulator, electrohydraulic governor to today.
Rotating speed induction 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 rotating speed induction mechanism of hydrodynamic governor adopts machinery type; And control mechanism and actuator adopt hydraulic way; Its advantage is that ability to work is big, 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 rotating speed induction 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 rotating speed induction 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, has been widely used in the middle low speed high-power diesel engine of having relatively high expectations at present.
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 power that is applicable to is the compound speed regulator of double pulsing of the serial diesel engine about 5000kW, and the present invention specifically adopts following technological scheme:
A kind of double pulsing speed regulator of diesel engine comprises final controlling element, electronic controller and speed probe three partly, it is characterized in that:
Said electronic controller comprises speed setting module, speed acquisition monitoring modular, rotational speed regulation module, export-restriction module and power output module; Said speed setting module is used for current conversion with 4 ~ 20mA for to input to said rotational speed regulation module with the corresponding voltage of required setting rotating speed; Said speed acquisition monitoring modular is measured the diesel engine speed frequency signal through said speed probe; And this signal is input to said rotational speed regulation module; The output of said rotational speed regulation module links to each other with said power output module, the rotational speed regulation module is produced the control voltage signal output to said power output module, realizes the bias correction of diesel engine speed; The input end of said 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 said power output module, and said power control module links to each other with height response servomechanism, and speed controling signal is outputed to final controlling element;
Said final controlling element comprises rotor part, high response servomechanism, slide valve assembly, power piston, dynamo-electric switching controls mechanism; Rotor part is the rotating speed induction mechanism of the mechanical control section of diesel engine; Between said high response servomechanism and slide valve assembly, also be provided with dynamo-electric switching controls mechanism; The output of said rotor part is connected to the input end of said electromechanical control switching mechanism, and the speed controling signal of said high response servomechanism response electronic controller is through said slide valve assembly, power piston control diesel engine speed; When electronic Control for Diesel Engine partly broke down, said dynamo-electric switching mechanism switched to mechanical control method with speed regulator by electronic control mode automatically.
Said 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 through multichannel diode selecting circuit and export said power output module to as final fuel oil controlled quentity controlled variable.
Said electronic controller also is provided with rotating speed display modular, up-down rotational speed control module, throws application of load module, the module of stopping in emergency, speed gain module, ricing adjustment module.
Said 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 promptly is equivalent to hydrodynamic governor to final controlling element.Drop to when the diesel oil machine speed changes that to be lower than rated speed that final controlling element is provided with about 5% the time, to 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.
Said 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.
Said speed probe is the rotating speed induction 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.
The present invention is owing to adopted dynamo-electric automatic switchover technology; Make it possess the advantage of hydrodynamic governor and electrohydraulic governor simultaneously; And overcome both shortcoming, and have therefore that ability to work is big, 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) the double pulsing speed regulator receives mechanical signal and electrical signal simultaneously, and can distinguish independent control diesel engine speed.
(2) the double pulsing 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 double pulsing speed regulator of the present invention;
Fig. 2 is an electronic controller outline drawing of the present invention;
Fig. 3 is the basic block diagram of final controlling element among the present invention.
Wherein, the 1. dynamo-electric switching controls of the high response of rotor part 2. slide valve assemblies 3. servomechanism 4. mechanism 5. power pistons.
Embodiment
Below in conjunction with Figure of description, technological scheme of the present invention is done further explain.
Technological scheme of the present invention is following:
Be illustrated in figure 1 as the schematic diagram of double pulsing speed regulator of the present invention.Below in conjunction with schematic diagram the working principle of double pulsing speed regulator is introduced: 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 of speed probe tests the speed a rotating speed of induction diesel engine and produces 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 converts this ac voltage signal into be directly proportional with speed-frequency d. c. 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 convert comparison result into voltage signal output power control module; The voltage that the output power control module is exported the rotational speed regulation module converts control signal corresponding into and outputs to final controlling element, and the height response servo in the final controlling element converts this control signal into corresponding execution action control guiding valve again and moves up or down, and controls the hydraulic oil inflow or flows out 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 provided with the export-restriction module in the electronic controller specially; It with the diesel engine load as input signal; Output terminal links to each other with the output power control 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 through 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 signaling interface and rotating speed demonstration signaling interface; The right side is mouse and other interfaces for external devices; The centre is a display window, can show 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 allocating with interfaces such as power supplys.Said electronic controller is provided with rotating speed display modular, up-down 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 parts such as rotor part 1, slide valve assembly 2, high response servomechanism 3, dynamo-electric switching controls 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, thereby realize control to diesel engine speed according to the requirement of control signal.High response servomechanism 3 signal conversion of self-controller in the future moves up or down for the corresponding guiding valve of carrying out in the action control slide valve assembly 2; Thereby control hydraulic oil flows into or outflow power piston 5; Promote the diesel engine tooth bar and move, reach the effect of control diesel engine speed to subtracting oil or refueling direction.When electronic Control for Diesel Engine partly breaks down; Electromechanics switching controls mechanism 4 switches to machinery control with speed regulator by electronic control automatically; Rotor part 1 moves up or down according to the guiding valve in the diesel engine speed SC sigmal control slide valve assembly of sensing 2 as the rotating speed induction mechanism of mechanical control section at this moment, thereby control hydraulic oil flows into or outflow power piston 5; Promote the diesel engine tooth bar and move, reach the effect of control diesel engine speed to subtracting oil or refueling direction.
Claims (5)
1. the double pulsing speed regulator of a diesel engine comprises final controlling element, electronic controller and speed probe three parts, it is characterized in that:
Said electronic controller further comprises speed setting module, speed acquisition monitoring modular, rotational speed regulation module, export-restriction module and power output module; Said speed setting module is used for the current conversion of 4 ~ 20mA is inputed to said rotational speed regulation module for setting the corresponding voltage of rotating speed with needs; Said speed acquisition monitoring modular is measured the diesel engine speed frequency signal through said speed probe; And this signal is input to said rotational speed regulation module; The output of said rotational speed regulation module links to each other with said power output module; The control voltage signal that the rotational speed regulation module is produced outputs to said power output module, realizes the bias correction of diesel engine speed; The input end of said 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 said power output module; Said 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;
Said final controlling element comprises rotor part, high response servomechanism, slide valve assembly, power piston, dynamo-electric switching controls mechanism; Rotor part is the rotating speed induction mechanism of the mechanical control section of diesel engine; Between said high response servomechanism and slide valve assembly, also be provided with dynamo-electric switching controls mechanism; The output of said rotor part is connected to the input end of said electromechanical control switching mechanism, and the speed controling signal of said high response servomechanism response electronic controller is through said slide valve assembly, power piston control diesel engine speed;
When the electronic controller of diesel engine broke down, said dynamo-electric switching mechanism switched to mechanical control method with speed regulator by electronic control mode automatically.
2. the double pulsing speed regulator of diesel engine according to claim 1; It is characterized in that: said 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 through multichannel diode selecting circuit and export said power output module to as final fuel oil controlled quentity controlled variable.
3. the double pulsing speed regulator of diesel engine according to claim 1 is characterized in that: said electronic controller also is provided with rotating speed display modular, up-down rotational speed control module, throws application of load module, the module of stopping in emergency, speed gain module, ricing adjustment module.
4. the double pulsing 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; Said final controlling element promptly is equivalent to hydrodynamic governor, drops to when the diesel oil machine speed changes that to be lower than rated speed that final controlling element is provided with about 5% the time, switches lever and throws 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.
5. according to the double pulsing speed regulator of right 1 described diesel engine, it is characterized in that: said 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.
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 true CN102337973A (en) | 2012-02-01 |
| CN102337973B CN102337973B (en) | 2013-10-16 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204131526U Withdrawn - After Issue CN202273763U (en) | 2010-10-26 | 2011-10-26 | Dual-pulse speed regulator |
| CN 201110329476 Expired - Fee Related CN102337973B (en) | 2010-10-26 | 2011-10-26 | Dual-pulse speed regulator |
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| 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) | CN202273763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075957A (en) * | 2022-05-23 | 2022-09-20 | 中核核电运行管理有限公司 | On-line monitoring device for speed regulating system of modular diesel engine |
| CN115467750A (en) * | 2022-10-14 | 2022-12-13 | 中船动力研究院有限公司 | Speed regulating system and speed regulating method for diesel engine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202273763U (en) * | 2010-10-26 | 2012-06-13 | 重庆红江机械有限责任公司 | Dual-pulse speed regulator |
Citations (4)
| 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 |
| 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 |
-
2011
- 2011-10-26 CN CN2011204131526U patent/CN202273763U/en not_active Withdrawn - After Issue
- 2011-10-26 CN CN 201110329476 patent/CN102337973B/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
| 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 (3)
| Title |
|---|
| 《车用发动机》 20060430 胡丰泽等 数字式电子调速器ECU2A_G的设计与试验研究 , 第02期 * |
| 刘志刚等: "电子调速器可靠性设计研究", 《船舶工程》 * |
| 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》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075957A (en) * | 2022-05-23 | 2022-09-20 | 中核核电运行管理有限公司 | On-line monitoring device for speed regulating system of modular diesel engine |
| 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 |
| CN115467750A (en) * | 2022-10-14 | 2022-12-13 | 中船动力研究院有限公司 | Speed regulating system and speed regulating method for diesel engine |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202273763U (en) | 2012-06-13 |
| CN102337973B (en) | 2013-10-16 |
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