CN102777273A - Intelligent comprehensive monitoring and controlling system for moving components of diesel generator set - Google Patents

Intelligent comprehensive monitoring and controlling system for moving components of diesel generator set Download PDF

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Publication number
CN102777273A
CN102777273A CN2012102908873A CN201210290887A CN102777273A CN 102777273 A CN102777273 A CN 102777273A CN 2012102908873 A CN2012102908873 A CN 2012102908873A CN 201210290887 A CN201210290887 A CN 201210290887A CN 102777273 A CN102777273 A CN 102777273A
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Prior art keywords
diesel
central processing
processing unit
detects
diesel engine
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CN2012102908873A
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Chinese (zh)
Inventor
黄梦财
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FUJIAN TANGLI ELECTRIC POWER EQUIPMENT CO LTD
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FUJIAN TANGLI ELECTRIC POWER EQUIPMENT CO LTD
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Priority to CN2012102908873A priority Critical patent/CN102777273A/en
Publication of CN102777273A publication Critical patent/CN102777273A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an intelligent comprehensive monitoring and controlling system for moving components of a diesel generator set. The system comprises a data acquisition unit, a central processing unit, and a visual system state output unit, wherein the output end of the data acquisition unit is connected with the central processing unit; the input end of the visual system state output unit is connected with the central processing unit; each parameter value of each operation state of the diesel generator set can be acquired by the data acquisition unit in real time; and the parameter values are transmitted to the central processing unit; each real-time parameter of the diesel generator set subjected to internal program operation is compared with a threshold which is arranged in the diesel generator set in advance by the central processing unit so as to acquire the real-time operation states of the diesel generator set; and the real-time operation states of the diesel generator set can be output by the visual system state output unit, so that the diesel generator set maintainers can intuitionistically and conveniently adjust the parameters, and operators can conveniently and quickly repair the equipment and perform preventive maintenance; and therefore, the operation reliability and the stability of the equipment are improved.

Description

Diesel generating set moving element intelligent comprehensive monitor control system
Technical field
The present invention relates to the intellectual monitoring control system, relate in particular to diesel generating set moving element intelligent comprehensive monitor control system.
Background technique
Diesel generating set is in light weight, simple in structure with it, specific power is big and be widely used in all trades and professions, and diesel generating set mainly is made up of three parts, DENG, generator, control system three parts composition.The moving element that many high speeds are arranged in the DENG, these mechanical moving elements lean on mutual mutual motion to do work.Because have relative high-speed motion between these parts; Brought between the moving element, the parts depreciation between moving element and the non-moving element; Cause that the relative movement position changes between the moving element; Burn deterioration, fuel consumption rate heighten, outlet valve burns thereby bring, a series of problems such as acting ability drop.
The operating failure problems of diesel generating set has 60% to be because improper the causing of daily maintenance of diesel engine, in the diesel generating set actual motion; Because different running environment; The change of some microstates of diesel generating set is not easy to be found by the maintenance management personnel, causes maintenance management work not have specific aim, and diesel generating set is worked under the situation of sub-health state; It finally causes the big group of motors of diesel oil to damage; Even occur causing a serious accident, be badly in need of a kind of diesel generating set moving element intelligent comprehensive monitor control system now, make the running state of its ability real-time dynamic monitoring diesel generating set; So that the maintenance management personnel of diesel generating set can understand its running state in real time and it is carried out the specific aim maintenance, prolong the working life of diesel power generation unit.
Summary of the invention
In order to overcome the deficiency of existing technology, the purpose of this invention is to provide a kind of intelligent comprehensive monitor control system of the unit of Monitoring and Controlling diesel power generation in real time moving element state.
For achieving the above object, technological scheme of the present invention is: diesel generating set moving element intelligent comprehensive monitor control system comprises with lower device:
Data acquisition unit: data acquisition unit is gathered each parameter value of diesel generating set running state in real time; And it is transferred to central processing unit, said each parameter value comprises the temperature of generator windings in the bearing temperature, diesel generating set of generator in the water temperature, diesel generating set of engine oil pressure, the diesel coolant of the residing phase place of each cylinder, diesel engine oil pump;
Central processing unit: it comprises central processing unit (CPU); And the register that is connected with central processing unit (CPU); Each parameter value that central processing unit will be moved from the diesel generating set that data acquisition unit obtains in real time is corresponding respectively does comparison operation with the threshold value that preestablishes the central processing unit register; Draw the running state of diesel generating set, send the running state instruction of diesel generating set;
Visualization system state output unit: the running state instruction of each parameter value of the diesel generating set running state that the output central processing unit receives and the diesel generating set that central processing unit is sent;
Said data acquisition unit output terminal is connected with central processing unit, and the input end of visualization system state output unit is connected with central processing unit.
Said data acquisition unit comprises:
The crank phase sensor: it is arranged on the diesel engine flywheel casing, detects the residing phase place of each cylinder of diesel engine;
Oil pressure sensor: oil pressure sensor is arranged on the outlet port of diesel engine oil pump, and it detects the engine oil pressure of diesel engine oil pump;
Cooling-water temperature sensor: it is arranged on the pipeline of diesel coolant, detects the water temperature of diesel coolant;
Shaft temperature sensor: it is arranged on the dynamo bearing outside, detects the bearing temperature of generator in the diesel power generation unit;
The winding temperature sensor: it is arranged on the generator unit stator winding, and it detects the temperature of generator windings in the diesel power generation unit;
The output terminal of all the sensors all is connected with the input end of central processing unit, and corresponding respectively each sensor in central processing unit inside is preset with corresponding threshold value.
Each parameter value of said data acquisition unit collection also comprises the viscosity of the interior pressure of explosion of injection pressure, air intake valve gap, drain tap gap, the delivery temperature of each cylinder, each cylinder of diesel generating set, diesel engine flywheel rotating speed, machine oil.
Said data acquisition unit comprises:
The crank phase sensor: it is arranged on the diesel engine flywheel casing, detects the residing phase place of each cylinder of diesel engine;
Oil pressure sensor: oil pressure sensor is arranged on the outlet port of diesel engine oil pump, and it detects the engine oil pressure of diesel engine oil pump;
Cooling-water temperature sensor: it is arranged on the pipeline of diesel coolant, detects the water temperature of diesel coolant;
Shaft temperature sensor: it is arranged on the dynamo bearing outside, detects the bearing temperature of generator in the diesel power generation unit;
The winding temperature sensor: it is arranged on the generator unit stator winding, and it detects the temperature of generator windings in the diesel power generation unit;
The injection pressure sensor: the one of which end is arranged on the diesel injection pump delivery valve seat, and the other end connects high-pressure oil pipe, the injection pressure of injection pressure sensor diesel generating set;
The air intake valve gap sensor: it is arranged on the rocking arm of diesel engine cylinder inlet valve complement, detects the gap of air intake valve;
The drain tap gap sensor: it is arranged on the rocking arm of diesel engine cylinder exhaust valve complement, detects the gap of drain tap;
Exhaust gas temperature sensor: it is arranged on the diesel exhaust gas arm, detects the delivery temperature of each cylinder of diesel engine;
Cylinder pressure sensor: it is set on the oil sprayer of diesel engine, detects the pressure of explosion in the diesel engine cylinder;
Speed probe: it is arranged on the diesel engine flywheel casing, detects diesel engine flywheel rotating speed;
The machine oil viscosity transducer: it is arranged in the diesel engine oil sump, detects the viscosity of machine oil;
The output terminal of all the sensors all is connected with the input end of central processing unit, and corresponding respectively each sensor in central processing unit inside is preset with corresponding threshold value.
Be provided with two engine oil pressure parameter threshold X, Y in the said central processing unit; One of them engine oil pressure parameter threshold X is greater than another engine oil pressure parameter threshold Y; Central processing unit obtains the engine oil pressure value Z that data acquisition unit is gathered, and Z and threshold X and Y are done comparison operation:
If X≤Z, the normal operating instruction of central processing unit output engine oil pressure;
If Y≤Z<X, central processing unit output engine oil pressure alarm command;
If Z<Y, central processing unit output diesel engine halt instruction.
Be provided with water temperature threshold value A, the B of two cooling waters in the said central processing unit; The water temperature threshold value A of one of them cooling water is greater than the water temperature threshold value B of another cooling water; Central processing unit obtains the water temperature value C of the cooling water that data acquisition unit gathers, and C and threshold value A and B are done comparison operation:
If C≤B, the normal operating instruction of water temperature of central processing unit output cooling water;
If B≤C<A, the water temperature alarm command of central processing unit output cooling water;
If A<C, central processing unit output diesel engine halt instruction.
Said visualization system state output unit is a liquid crystal display.
Said central processing unit is provided with serial communication interface.
Said central processing unit is connected with storage, is provided with the diesel engine fault maintenance data base in the storage.
Adopt above technological scheme; Utilize data acquisition unit to gather each parameter value of diesel generating set running state in real time; And it is transferred to central processing unit, central processing unit with each real-time parameter of diesel generating set through behind its inner sequential operation and the threshold value that sets within it in advance do comparison operation, draw the real-time running state of diesel generating set; The real-time running state of diesel generating set is exported through visualization system state output unit; Occur under the abnormal conditions at each moving element of diesel power generation unit, the adjusting parameter that diesel generating set maintaining personnel can intuitive and convenient, the diesel engine fault maintenance data base of its configuration can be so that the quick maintenance of equipment of operator; When the Operational Limits of equipment and the threshold value in the central processing unit (CPU) have difference; Will safeguard so that maintenance person carries out prevention and maintain by visual state cell output, improve the operational reliability and the stability of equipment.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Fig. 1 is a linkage structure schematic representation of the present invention;
Fig. 2 is the positional structure schematic representation of sensor of the present invention;
Fig. 3 is the plan structure schematic representation of Fig. 2;
Fig. 4 is the side-looking structural representation of Fig. 2.
Embodiment
Like Fig. 1,2, shown in 3 or 4, diesel generating set moving element intelligent comprehensive monitor control system of the present invention comprises with lower device:
Data acquisition unit 1: data acquisition unit 1 is gathered each parameter value of diesel generating set running state in real time; And it is transferred to central processing unit 2, said each parameter value comprises the temperature of generator windings in the bearing temperature, diesel generating set of generator in the water temperature, diesel generating set of engine oil pressure, the diesel coolant of the residing phase place of each cylinder, diesel engine oil pump;
Central processing unit 2: it comprises central processing unit (CPU) 21; And the register 22 that is connected with central processing unit (CPU); Each parameter value that central processing unit 2 will be moved from the diesel generating set that data acquisition unit 1 obtains in real time is corresponding respectively does comparison operation with the threshold value that preestablishes the register 22 of central processing unit 2; Draw the running state of diesel generating set, send the running state instruction of diesel generating set;
Visualization system state output unit 3: the running state instruction of each parameter value of the diesel generating set running state that output central processing unit 2 receives and the diesel generating set that central processing unit 2 is sent;
Said data acquisition unit 1 output terminal is connected with central processing unit 2, and the input end of visualization system state output unit 3 is connected with central processing unit 2.
Said data acquisition unit 1 comprises:
Crank phase sensor 100: it is arranged on the diesel engine flywheel casing, detects the residing phase place of each cylinder of diesel engine;
Oil pressure sensor 101: oil pressure sensor is arranged on the outlet port of diesel engine oil pump, and it detects the engine oil pressure of diesel engine oil pump;
Cooling-water temperature sensor 102: it is arranged on the pipeline of diesel coolant, detects the water temperature of diesel coolant;
Shaft temperature sensor 103: it is arranged on the dynamo bearing outside, detects the bearing temperature of generator in the diesel power generation unit;
Winding temperature sensor 104: it is arranged on the generator unit stator winding, and it detects the temperature of generator windings in the diesel power generation unit;
The output terminal of all the sensors 100,101,102,103,104 all is connected with the input end of central processing unit 2, and corresponding respectively each sensor in central processing unit 2 inside is preset with corresponding threshold value.
Each parameter value that said data acquisition unit 1 is gathered also comprises the viscosity of the interior pressure of explosion of injection pressure, air intake valve gap, drain tap gap, the delivery temperature of each cylinder, each cylinder of diesel generating set, diesel engine flywheel rotating speed, machine oil.
Said data acquisition unit comprises:
Crank phase sensor 100: it is arranged on the diesel engine flywheel casing, detects the residing phase place of each cylinder of diesel engine;
Oil pressure sensor 101: oil pressure sensor is arranged on the outlet port of diesel engine oil pump, and it detects the engine oil pressure of diesel engine oil pump;
Cooling-water temperature sensor 102: it is arranged on the pipeline of diesel coolant, detects the water temperature of diesel coolant;
Shaft temperature sensor 103: it is arranged on the dynamo bearing outside, detects the bearing temperature of generator in the diesel power generation unit;
Winding temperature sensor 104: it is arranged on the generator unit stator winding, and it detects the temperature of generator windings in the diesel power generation unit;
Injection pressure sensor 105: the one of which end is arranged on the diesel injection pump delivery valve seat, and the other end connects high-pressure oil pipe, the injection pressure of injection pressure sensor diesel generating set;
Air intake valve gap sensor 106: it is arranged on the rocking arm of diesel engine cylinder inlet valve complement, detects the gap of air intake valve;
Drain tap gap sensor 107: it is arranged on the rocking arm of diesel engine cylinder exhaust valve complement, detects the gap of drain tap;
Exhaust gas temperature sensor 108: it is arranged on the diesel exhaust gas arm, detects the delivery temperature of each cylinder of diesel engine;
Cylinder pressure sensor 109: it is set on the oil sprayer of diesel engine, detects the pressure of explosion in the diesel engine cylinder;
Speed probe 110: it is arranged on the diesel engine flywheel casing, detects diesel engine flywheel rotating speed;
Machine oil viscosity transducer 111: it is arranged in the diesel engine oil sump, detects the viscosity of machine oil;
The output terminal of all the sensors 100,101,102,103,104,105,106,107,108,109,110,111 all is connected with the input end of central processing unit 2, and corresponding respectively each sensor in central processing unit 2 inside is preset with corresponding threshold value.
Be provided with two engine oil pressure parameter threshold X, Y in the said central processing unit 2; One of them engine oil pressure parameter threshold X is greater than another engine oil pressure parameter threshold Y; Central processing unit 2 obtains the engine oil pressure value Z that data acquisition unit 1 is gathered, and Z and threshold X and Y are done comparison operation:
If X≤Z, the normal operating instruction of central processing unit 2 output engine oil pressures;
If Y≤Z<X, central processing unit 2 output engine oil pressure alarm command;
If Z<Y, central processing unit 2 output diesel engine halt instruction.
Be provided with water temperature threshold value A, the B of two cooling waters in the said central processing unit 2; The water temperature threshold value A of one of them cooling water is greater than the water temperature threshold value B of another cooling water; Central processing unit 2 obtains the water temperature value C of the cooling water that data acquisition unit 1 collects, and C and threshold value A and B are done comparison operation:
If C≤B, the normal operating instruction of water temperature of central processing unit 2 output cooling waters;
If B≤C<A, the water temperature alarm command of central processing unit 2 output cooling waters;
If A<C, central processing unit 2 output diesel engine halt instruction.
Said visualization system state output unit 3 is a liquid crystal display.
Said central processing unit 2 is provided with serial communication interface.
Said central processing unit 2 is connected with storage, is provided with the diesel engine fault maintenance data base in the storage.

Claims (9)

1. diesel generating set moving element intelligent comprehensive monitor control system, it is characterized in that: it comprises with lower device:
Data acquisition unit: data acquisition unit is gathered each parameter value of diesel generating set running state in real time; And it is transferred to central processing unit, said each parameter value comprises the temperature of generator windings in the bearing temperature, diesel generating set of generator in the water temperature, diesel generating set of engine oil pressure, the diesel coolant of the residing phase place of each cylinder, diesel engine oil pump;
Central processing unit: it comprises central processing unit (CPU); And the register that is connected with central processing unit (CPU); Each parameter value that central processing unit will be moved from the diesel generating set that data acquisition unit obtains in real time is corresponding respectively does comparison operation with the threshold value that preestablishes the central processing unit register; Draw the running state of diesel generating set, send the running state instruction of diesel generating set;
Visualization system state output unit: the running state instruction of each parameter value of the diesel generating set running state that the output central processing unit receives and the diesel generating set that central processing unit is sent;
Said data acquisition unit output terminal is connected with central processing unit, and the input end of visualization system state output unit is connected with central processing unit.
2. diesel generating set moving element intelligent comprehensive monitor control system according to claim 1, it is characterized in that: said data acquisition unit comprises:
The crank phase sensor: it is arranged on the diesel engine flywheel casing, detects the residing phase place of each cylinder of diesel engine;
Oil pressure sensor: oil pressure sensor is arranged on the outlet port of diesel engine oil pump, and it detects the engine oil pressure of diesel engine oil pump;
Cooling-water temperature sensor: it is arranged on the pipeline of diesel coolant, detects the water temperature of diesel coolant;
Shaft temperature sensor: it is arranged on the dynamo bearing outside, detects the bearing temperature of generator in the diesel power generation unit;
The winding temperature sensor: it is arranged on the generator unit stator winding, and it detects the temperature of generator windings in the diesel power generation unit;
The output terminal of all the sensors all is connected with the input end of central processing unit, and corresponding respectively each sensor in central processing unit inside is preset with corresponding threshold value.
3. diesel generating set moving element intelligent comprehensive monitor control system according to claim 1 is characterized in that: each parameter value of said data acquisition unit collection also comprises the viscosity of the interior pressure of explosion of injection pressure, air intake valve gap, drain tap gap, the delivery temperature of each cylinder, each cylinder of diesel generating set, diesel engine flywheel rotating speed, machine oil.
4. diesel generating set moving element intelligent comprehensive monitor control system according to claim 3 is characterized in that:
Said data acquisition unit comprises:
The crank phase sensor: it is arranged on the diesel engine flywheel casing, detects the residing phase place of each cylinder of diesel engine;
Oil pressure sensor: oil pressure sensor is arranged on the outlet port of diesel engine oil pump, and it detects the engine oil pressure of diesel engine oil pump;
Cooling-water temperature sensor: it is arranged on the pipeline of diesel coolant, detects the water temperature of diesel coolant;
Shaft temperature sensor: it is arranged on the dynamo bearing outside, detects the bearing temperature of generator in the diesel power generation unit;
The winding temperature sensor: it is arranged on the generator unit stator winding, and it detects the temperature of generator windings in the diesel power generation unit;
The injection pressure sensor: the one of which end is arranged on the diesel injection pump delivery valve seat, and the other end connects high-pressure oil pipe, the injection pressure of injection pressure sensor diesel generating set;
The air intake valve gap sensor: it is arranged on the rocking arm of diesel engine cylinder inlet valve complement, detects the gap of air intake valve;
The drain tap gap sensor: it is arranged on the rocking arm of diesel engine cylinder exhaust valve complement, detects the gap of drain tap;
Exhaust gas temperature sensor: it is arranged on the diesel exhaust gas arm, detects the delivery temperature of each cylinder of diesel engine;
Cylinder pressure sensor: it is set on the oil sprayer of diesel engine, detects the pressure of explosion in the diesel engine cylinder;
Speed probe: it is arranged on the diesel engine flywheel casing, detects diesel engine flywheel rotating speed;
The machine oil viscosity transducer: it is arranged in the diesel engine oil sump, detects the viscosity of machine oil;
The output terminal of all the sensors all is connected with the input end of central processing unit, and corresponding respectively each sensor in central processing unit inside is preset with corresponding threshold value.
5. diesel generating set moving element intelligent comprehensive monitor control system according to claim 1; It is characterized in that: be provided with two engine oil pressure parameter threshold X, Y in the said central processing unit; One of them engine oil pressure parameter threshold X is greater than another engine oil pressure parameter threshold Y; Central processing unit obtains the engine oil pressure value Z that data acquisition unit is gathered, and Z and threshold X and Y are done comparison operation:
If X≤Z, the normal operating instruction of central processing unit output engine oil pressure;
If Y≤Z<X, central processing unit output engine oil pressure alarm command;
If Z<Y, central processing unit output diesel engine halt instruction.
6. diesel generating set moving element intelligent comprehensive monitor control system according to claim 1; It is characterized in that: the water temperature threshold value A, the B that are provided with two cooling waters in the said central processing unit; The water temperature threshold value A of one of them cooling water is greater than the water temperature threshold value B of another cooling water; Central processing unit obtains the water temperature value C of the cooling water that data acquisition unit gathers, and C and threshold value A and B are done comparison operation:
If C≤B, the normal operating instruction of water temperature of central processing unit output cooling water;
If B≤C<A, the water temperature alarm command of central processing unit output cooling water;
If A<C, central processing unit output diesel engine halt instruction.
7. diesel generating set moving element intelligent comprehensive monitor control system according to claim 1 is characterized in that: said visualization system state output unit is a liquid crystal display.
8. diesel generating set moving element intelligent comprehensive monitor control system according to claim 1, it is characterized in that: said central processing unit is provided with serial communication interface.
9. diesel generating set moving element intelligent comprehensive monitor control system according to claim 1, it is characterized in that: said central processing unit is connected with storage, is provided with the diesel engine fault maintenance data base in the storage.
CN2012102908873A 2012-08-15 2012-08-15 Intelligent comprehensive monitoring and controlling system for moving components of diesel generator set Pending CN102777273A (en)

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Application Number Priority Date Filing Date Title
CN2012102908873A CN102777273A (en) 2012-08-15 2012-08-15 Intelligent comprehensive monitoring and controlling system for moving components of diesel generator set

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603732A (en) * 2013-11-29 2014-02-26 柳州职业技术学院 Diesel generator controller with intelligent system
CN103603733A (en) * 2013-11-29 2014-02-26 柳州职业技术学院 Automatic diesel generator controller controlled through CAN bus
CN104314640A (en) * 2014-08-19 2015-01-28 奇瑞汽车股份有限公司 Monitoring device for engine oil reserves of vehicle engine
CN110442100A (en) * 2019-08-06 2019-11-12 华能国际电力股份有限公司玉环电厂 A kind of thermal control intelligent DCS diagnosis method for early warning and system

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US5010487A (en) * 1989-03-02 1991-04-23 Coltec Industries Inc. Computer-based engine diagnostic method
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CN102014223A (en) * 2010-11-05 2011-04-13 上海鼎新电气(集团)有限公司 Remote monitoring method and system for diesel generating set
CN201794665U (en) * 2010-07-20 2011-04-13 浙江中高动力科技股份有限公司 Remote monitoring system for diesel generator set
CN202215381U (en) * 2011-08-05 2012-05-09 广州博锐动力科技有限公司 Intelligent controller of diesel generator set
CN202325835U (en) * 2011-11-02 2012-07-11 无锡亚杰特柴油发电机组制造有限公司 Automatic controller for diesel generator set

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Publication number Priority date Publication date Assignee Title
US5010487A (en) * 1989-03-02 1991-04-23 Coltec Industries Inc. Computer-based engine diagnostic method
CN101300726A (en) * 2005-10-31 2008-11-05 西门子公司 Method for automatically monitoring a generator operation
CN201794665U (en) * 2010-07-20 2011-04-13 浙江中高动力科技股份有限公司 Remote monitoring system for diesel generator set
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603732A (en) * 2013-11-29 2014-02-26 柳州职业技术学院 Diesel generator controller with intelligent system
CN103603733A (en) * 2013-11-29 2014-02-26 柳州职业技术学院 Automatic diesel generator controller controlled through CAN bus
CN104314640A (en) * 2014-08-19 2015-01-28 奇瑞汽车股份有限公司 Monitoring device for engine oil reserves of vehicle engine
CN104314640B (en) * 2014-08-19 2017-02-22 奇瑞汽车股份有限公司 Monitoring device for engine oil reserves of vehicle engine
CN110442100A (en) * 2019-08-06 2019-11-12 华能国际电力股份有限公司玉环电厂 A kind of thermal control intelligent DCS diagnosis method for early warning and system

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Application publication date: 20121114