CN110344911A - A kind of intelligent monitor system and method for diesel-driven generator - Google Patents
A kind of intelligent monitor system and method for diesel-driven generator Download PDFInfo
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- CN110344911A CN110344911A CN201910728292.3A CN201910728292A CN110344911A CN 110344911 A CN110344911 A CN 110344911A CN 201910728292 A CN201910728292 A CN 201910728292A CN 110344911 A CN110344911 A CN 110344911A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003921 oil Substances 0.000 claims abstract description 160
- 239000010687 lubricating oil Substances 0.000 claims abstract description 104
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000005461 lubrication Methods 0.000 claims abstract description 12
- 239000000314 lubricant Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 230000008878 coupling Effects 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 26
- 238000005859 coupling reaction Methods 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 230000003442 weekly effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
- F01M1/20—Indicating or safety devices concerning lubricant pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/005—Controlling temperature of lubricant
- F01M5/007—Thermostatic control
Abstract
The invention discloses a kind of intelligent monitor systems and method for diesel-driven generator, first pressure sensor is arranged on the inside of the filter core of lubrication oil filtration mechanism, first pressure sensor is used to measure the oil pressure inside filter core, and the first temperature sensor is arranged in the pipeline of oil return inlet front end；Second temperature sensor is arranged in the oil outlet of the first cavity；Second pressure sensor is arranged in oil return inlet；Controller input terminal is connect with first pressure sensor, second pressure sensor, the first temperature sensor and second temperature sensor respectively, the output end of controller is connected with low oil level alarm module and lubricant life reminding module, and low oil level alarm module is used to alarm when the oil level of lubricating oil in diesel engine is lower than preset value；Lubricant life reminding module is used to carry out safety prompt function to the state characteristic of lubricating oil in diesel engine.It solves and the technical issues of being monitored online is not easy to diesel lubrication oil performance.
Description
Technical field
The present invention relates to diesel engine control technology fields, it is more particularly related to which a kind of be used for diesel-driven generator
Intelligent monitor system and method.
Background technique
Diesel engine has the advantages that torque is big, economic performance is good, the course of work and gasoline engine of diesel engine
Machine is there are many identical place, and each working cycles also undergo four air inlet, compression, acting, exhaust strokes, but fuel factor is more
It is good, it is widely used in the large torques dragging system such as ship.
Engine controller is the core of diesel engine, is equivalent to the brain of people, is led for changing according to predetermined order
The wiring of circuit or control circuit controls starting, speed regulation, braking and the reversed master of generator with resistance value in change circuit
Device is enabled, to control the operating status of diesel engine.
During the work time, lubricating oil plays the important work such as lubrication, anti-attrition, cooling, cleaning, vibration damping and anti-corrosion to diesel engine
With, but the property of itself is also because being occurred degradation by high temperature, high pressure, external contaminants etc., is to cause diesel engine fault
One of the reason of.Few pairs of diesel oil centralized lubrication oil use states are monitored in existing diesel engine, be all pass through through
Test carry out time reckoning carry out more oil change, when oil change not in time, then will affect diesel engine normal operation even send out
Raw failure.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
A further object of the invention is the technical issues of being directed to lubricating oil state monitoring deficiency in diesel engine, to propose one kind
For the intelligent monitor system and method for diesel-driven generator, on-line analysis and monitoring are carried out to the performance state of lubricating oil, work as profit
When lubricating oil reaches service life, early warning is issued in time and is replaced, solves and diesel lubrication oil performance is not easy to be monitored online
The technical issues of.
In order to realize these purposes and other advantages according to the present invention, a kind of intelligence for diesel-driven generator is provided
Monitoring system, comprising:
First pressure sensor is arranged on the inside of the filter core of lubrication oil filtration mechanism, and the first pressure sensor is used
In measuring the oil pressure inside the filter core, an oil pump, the pipeline of the oil pump front end are provided on the inlet duct of the filter core
On open up an oil return inlet, the oil return inlet is connected to the filter core second end, outside the outer weekly interval envelope setting one of the filter core
One first cavity is arranged in shell, the outer weekly interval envelope of the shell, and first cavity is connected to the interior of shell, and described first
One second cavity is arranged in the outer weekly interval envelope of cavity, and flowing has cooling water in second cavity；
First temperature sensor is arranged in the pipeline of the oil return inlet front end, for measuring the filter mechanism
The lubricating oil temperature of inlet；
Second temperature sensor is arranged in the oil outlet of first cavity, goes out for measuring the filter mechanism
Lubricating oil temperature at mouthful；
Second pressure sensor is arranged in the oil return inlet, for measuring the oil pressure in the oil return inlet；With
And
Controller, input terminal respectively with the first pressure sensor, second pressure sensor, the first temperature sensor
It is connected with second temperature sensor, the output end of the controller is connected with low oil level alarm module and lubricant life reminds mould
Block, the low oil level alarm module are used to alarm when the oil level of lubricating oil in diesel engine is lower than preset value；The profit
Oil life reminding module is used to carry out safety prompt function to the state characteristic of lubricating oil in the diesel engine.
Preferably, the shell is cylindrical hole cavity body structure, and the filter core is arranged concentrically in the shell, the filter core
Axial first end and second end open wide respectively, first cavity is set in the periphery of the shell with one heart, the shell and
First cavity is interconnected at the second end position, and the first end of first cavity opens up an oil outlet, and the oil outlet is set
It is equipped with the third pressure sensor connecting with the controller.
Preferably, second cavity is set in the periphery of first cavity, the first end of second cavity with one heart
A water inlet is opened up, the flow direction of cooling water is opposite with the flow direction of lubricating oil in first cavity in second cavity；Wherein,
The filter core, shell, the first cavity and the second cavity both ends seal form the fixed independent cavity of structure respectively.
Preferably, second cavity both ends periphery is respectively arranged with butt joint, the first end sealing of second cavity
Connection one has the first coupling of accommodating cavity, and first coupling is described by including the first end envelope of the filter core
Through an oil inlet is opened up, the oil inlet is connected to the diesel engine by a first pipe at the first coupling first end center
Loop exit in internal lubricating oil, the oil pump is arranged in the first pipe, and the oil return inlet is provided with the oil
In the first pipe for pumping front end, the oil outlet runs through first coupling and is connected to the lubricating oil of the diesel engines
Interior loop head.
Preferably, the second end of second cavity is tightly connected second coupling with accommodating cavity, and described the
Two couplings will run through including the second end envelope of the filter core, on the second coupling side wall opens up oil return outlet, institute
It states oil return outlet and the oil return inlet is connected to by a second pipe, wherein the bore of the oil return outlet is described first
The 1/3~1/5 of pipe diameter.
Preferably, the space between the shell and filter core be not less than the filter core inner space, first cavity with
Radial distance between shell is in the filter core internal diameterBetween, second cavity and the first cavity it
Between radial distance not less than the filter core internal diameter
Preferably, the water inlet is connected to the outlet of an air-cooled unit, and the blower in the air-cooled unit passes through one the
One driver is connect with the controller, and the controller controls the wind according to the feedback temperature of the second temperature sensor
Machine revolving speed, the rotation speed of fan are directly proportional to the feedback temperature of the second temperature sensor.
Preferably, third temperature sensor, the third temperature sensor and the control are provided in the water inlet
Device connection；One water pump is set on the pipeline between the water inlet and air-cooled unit outlet, and the water pump passes through one second
Driver is connect with the controller, and the controller controls the water pump according to the feedback temperature of the third temperature sensor
Revolving speed, the pump rotary speed are directly proportional to the feedback temperature of the third temperature sensor.
Preferably, a return flow line, the second end of the return flow line and described second is arranged in the axis center of the filter core
The second end of cavity is connected to, and the first end of the return flow line through first coupling and is connected to the air-cooled unit
Entrance, the first end of the return flow line are provided with the 4th temperature sensor connecting with the controller.
A kind of intelligent control method for diesel-driven generator, comprising the following steps:
Step 1: diesel engine is run, start oil pump, the lubricating oil in diesel engine is pumped into filter core the with fixed flow
One end, lubricating oil flow through filter core and make that parts of lubricating oil is flowed into after filtering in shell, another part lubricating oil is back to oil
Front-end pipelines are pumped, the lubricating oil in shell flows into the first cavity second end from second end, and returns from the first end of the first cavity
It flow in diesel engine；Cooling water flows through filter core postcentral gyrus from the second cavity first end and flow in air-cooled unit, so that
Cooling water flow direction and lubricating oil flow direction are reversed；
Step 2: detecting the oil pressure in filter core by first pressure sensor, oil return is detected by second pressure sensor
Oil pressure in entrance is then determined as lubricating oil when oil pressure is more than first pressure preset value in oil pressure in filter core or oil return inlet
Service life will exhaust, prompting changing lubricating oil, first pressure preset value is 1.3~1.6 times of original oil pressure in filter core；
Step 3: the oil pressure of the first cavity oil outlet is detected by third pressure sensor, when the oil pressure of oil outlet is lower than
When second pressure preset value, then it is insufficient to be determined as oil return oil pressure, and issue early warning, second pressure preset value is initial oil in filter core
0.85~0.95 times of pressure；
Step 4: passing through the lubricating oil temperature of the first temperature sensor measurement filter mechanism inlet, pass through second temperature
The lubricating oil temperature in sensor measurement filter mechanism exit, when the lubricating oil temperature in filter mechanism exit is more than the first temperature
When the lubricating oil temperature difference at preset value or filter mechanism entrance and exit is lower than second temperature preset value, then determine to lubrication
The cooling effect of oil is insufficient, and control blower improves revolving speed, by the lubricating oil temperature in filter mechanism exit drop to 110 DEG C with
Interior, the first temperature preset value is 120 DEG C, and second temperature preset value is 10 DEG C；
Step 5: passing through the water temperature of third temperature sensor measurement water inlet, returned by the 4th temperature sensor measurement
The water temperature in circulation road exit, when the water temperature of water inlet is more than third temperature preset value or water inlet water gentle reflux
When the temperature difference of channel exit water temperature is lower than the 4th temperature preset value, then, control wind insufficient to the cooling effect of lubricating oil is determined
Machine and water pump improve revolving speed, the lubricating oil temperature in filter mechanism exit are dropped within 110 DEG C, third temperature preset value is
95 DEG C, the 4th temperature preset value is 10 DEG C；
Step 6: when diesel engine stable operation, if the lubricating oil temperature of filter mechanism inlet is more than the 5th temperature
When preset value, then determines that the oil level in diesel engine is insufficient, sound an alarm, the 5th temperature preset value is 135 DEG C.
The present invention is include at least the following beneficial effects:
1, the present invention is easier to carry out status monitoring to the lubricating oil and cooling system of diesel engine, notes abnormalities, mentions in time
The operational reliability of high diesel engine；
2, to the state of lubricating oil by the monitoring of multiple indexes, reliability alarm to lubricating oil state and timely is improved
Property；
3, to the state of water-cooling system by the monitoring of multiple indexes, raising alarms to water-cooling system operating status reliable
Property and timeliness；
4, according to the monitoring of oil pressure and water temperature, the revolving speed of water pump and blower is controlled, by oil temperature and water temperature control in reasonable model
In enclosing, the control precision to oil temperature range is improved.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of filter mechanism；
Fig. 2 is that controller connects block diagram.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
The present invention provides a kind of intelligent monitor system for diesel-driven generator, as shown in Figs. 1-2, first pressure sensor
100 inside of filter core of lubrication oil filtration mechanism is set, forms a first runner 110, the lubrication in diesel engine on the inside of filter core 100
Oil is flowed into from the first end of first runner 110, and the outside that parts of lubricating oil flows into filter core 100 after the filtering of filtration core 100 is empty
Between, another part lubricating oil is flowed out from the second end of first runner 110, and is back to the first end of first runner 110.
The first pressure sensor is used to measure the oil pressure inside the filter core 100, the inlet duct of the filter core 100
On be provided with an oil pump 730, the lubricating oil in diesel engine is pumped into the first end of first runner 110 by the oil pump 730.It is described
An oil return inlet 720 is opened up on the pipeline of 730 front end of oil pump, the oil return inlet 720 is connected to the first runner 110 second
End, the lubricating oil to come without filter core 100 is back in first runner 110.
A shell 200 is arranged in the outer weekly interval envelope of the filter core 100, forms second flow channel between shell 200 and filter core 100
210, it is concentrated in second flow channel 210 through the filtered lubricating oil of filtration core 100.The setting of the shell 200 outer weekly interval envelope
One first cavity 300 forms third flow channel 310, third flow channel 310 and second flow channel between first cavity 300 and shell 200
210 connections, the lubricating oil by filtering are exported, and be back to diesel engines.
One second cavity 400, the second cavity 400 and the first cavity 300 is arranged in the outer weekly interval envelope of first cavity 300
Between form the 4th runner 410, flowing has cooling water in the 4th runner 410, carries out to the lubricating oil in third flow channel 310 cold
But.
Specifically, the shell 200 is cylindrical hole cavity body structure, the filter core 100 is arranged concentrically on the shell 200
Interior, the axial first end and second end of the filter core 100 is opened wide respectively, is convenient for lubricating oil runoff, first cavity 300 is with one heart
It is set in the periphery of the shell 200, the shell 200 and the first cavity 300 are mutual by channel 211 at the second end position
Connection, the first end of first cavity 300 open up an oil outlet.Lubricating oil after filtering flows into second flow channel 210, and
Flow into 310 second end of third flow channel from 210 second end of second flow channel, then after third flow channel 310 after, from third flow channel 310
The outflow of first end oil outlet, and it is back to diesel engines.
Second pressure sensor is arranged in the oil return inlet 720, for measuring the oil in the oil return inlet 720
Pressure；The oil outlet is provided with the third pressure sensor connecting with the controller, for measuring the oil in the oil outlet
Pressure.
First temperature sensor is arranged in the pipeline of 720 front end of oil return inlet, for measuring the filter mechanism
The lubricating oil temperature of inlet；Second temperature sensor is arranged in the oil outlet of first cavity 300, described for measuring
The lubricating oil temperature in filter mechanism exit.
800 input terminal of controller is connect with each temperature sensor 810 and pressure sensor 820 respectively, the controller
800 output end is connected with low oil level alarm module 840 and lubricant life reminding module 850, the low oil level alarm module
840 for alarming when the oil level of lubricating oil in diesel engine is lower than preset value；The lubricant life reminding module 850
Safety prompt function is carried out for the state characteristic to lubricating oil in the diesel engine.
In above-mentioned technical proposal, second cavity 400 is set in the periphery of first cavity 300 with one heart, and described
The first end of two cavities 400 opens up a water inlet 430, and cooling water is flowed from the first end of the second cavity 400 to second end, and the
Lubricating oil in one cavity 300 is flowed from second end to first end, therefore, in second cavity 400 flow direction of cooling water with
The flow direction of lubricating oil is on the contrary, improve the cooling effect to lubricating oil in first cavity 300.
Wherein, the both ends of the filter core 100, shell 200, the first cavity 300 and the second cavity 400 seal formation knot respectively
The fixed independent cavity of structure, and both ends fixation forms an overall structure.
Second cavity, the 400 both ends periphery is respectively arranged with butt joint 420, and the first end of second cavity 400 is close
Envelope connection one has the first coupling 700 of accommodating cavity, and first coupling 700 is by the first end packet of the filter core 100
Including network, the 700 first end center of the first coupling passes through a first pipe through an oil inlet, the oil inlet is opened up
710 are connected to loop exit in the lubricating oil of the diesel engines, and the oil pump 730 is arranged in the first pipe 710, institute
Oil outlet is stated through first coupling 700 and is connected to loop head in the lubricating oil of the diesel engines.Namely
It says, lubricating oil in machine is fed through in the first coupling 700 by oil pump 730, be back in machine after being filtered via filter core 100.
The second end of second cavity 400 is tightly connected second coupling 600 with accommodating cavity, and first is external
It is sealed between first 700, second coupling 600 and butt joint 420 by gasket 610.Second coupling 600 is by the filter
Including the second end envelope of core 100, through oil return outlet 620 is opened up on 600 side wall of the second coupling, the oil return goes out
Mouth 620 is connected to the oil return inlet 720 by a second pipe, and the oil return inlet 720 is provided with 730 front end of oil pump
First pipe 710 on, therefore part is back in first pipe 710 without the lubricating oil that filter core 100 filters.Wherein,
The lubricating oil in filter core 100 all passes through second pipe and is back in first pipe 710 in order to prevent, in the present embodiment, described time
The bore of oil export 620 is set as the 1/5 of 710 bore of first pipe, enables lubricating oil in only part filter core 100
It is enough back in first pipe 710.It under normal circumstances, 1/5 is oil return in filter core 100 in the inflow lubricating oil of filter core 100,4/
5 be the oil return in diesel engine.It, can be by filter core and in oil return inlet 720 when the return flow in second pipe increases
Pressure sensor note abnormalities.
Space between the shell 200 and filter core 100 is not less than 100 inner space of filter core, so that through filtration core
100 filtered lubricating oil can be buffered in second flow channel 210.Diameter between first cavity 300 and shell 200
It is greater than the section of first runner 110 to the sectional area of 0.5 times that distance is 100 internal diameter of filter core, that is, third flow channel 310
Product reduces so that the flow velocity of lubricating oil is less than the flow velocity of lubricating oil in first runner 110 in third flow channel 310 from third flow channel
310 flow outwardly the flow velocity of lubricating oil, increase the time of contact with cooling water in the 4th runner 410, improve cooling effect.Third
The radial distance of runner 310 is excessively high also to make heat transfer effect weaken, and reduce cooling effect, therefore, third in the present embodiment
The filter core internal diameter that the radial distance of runner 310 is 0.5 times.
Radial distance between second cavity 400 and the first cavity 300 is not less than 100 internal diameter of filter coreGuarantee the flow of cooling water, improves cooling effect.
The water inlet 430 is connected to the outlet of an air-cooled unit 830, and the blower in the air-cooled unit 830 passes through one
First driver is connect with the controller 800, and the controller 800 is according to the feedback temperature control of the second temperature sensor
The rotation speed of fan is made, the rotation speed of fan is directly proportional to the feedback temperature of the second temperature sensor.
Third temperature sensor, the third temperature sensor and the controller 800 are provided in the water inlet 430
Connection；A water pump 860 is set on pipeline between the water inlet 430 and the outlet of the air-cooled unit 830, controller 800
According to 820 value of feedback of temperature sensor 810 and pressure sensor, water pump 860 and air-cooled unit 830 are controlled, to control profit
The temperature of lubricating oil.
The water pump 860 is connect by one second driver with the controller 800, and the controller 800 is according to described
The feedback temperature of third temperature sensor controls the pump rotary speed, and the pump rotary speed is anti-with the third temperature sensor
It is directly proportional to present temperature.
In above-mentioned technical proposal, a return flow line 500,500 first end of return flow line is arranged in the axis center of the filter core 100
530 are fixed in the first coupling 700, and 500 second end of return flow line is fixed on the first cavity 300 by pipeline 520, so that
The installation of return flow line 500 is fixed.The second end of the return flow line 500 and the second end of second cavity 400 pass through pipeline
The first end 530 of 520 connections, the return flow line 500 through first coupling 700 and is connected to the air-cooled unit
830 entrance, the cooling water to flow back from the 4th runner 410 flows into the 5th runner 510 in return flow line 500, and finally returns
It flow in air-cooled unit 830, the cooling water to be flowed back by 830 Duis of air-cooled unit carries out cooling treatment, the return flow line 500
First end is provided with the 4th temperature sensor connecting with the controller 800, for measuring the temperature of reflux cooling water.
A kind of intelligent control method for diesel-driven generator, comprising the following steps:
Step 1: diesel engine is run, starts oil pump 730, the lubricating oil in diesel engine is pumped into filter with fixed flow
100 first end of core, lubricating oil flow through filter core 100 parts of lubricating oil is flowed into after filtering in shell 200, another part profit
Lubricating oil is back to 730 front-end pipelines of oil pump, and the lubricating oil in shell 200 flows into 300 second end of the first cavity from second end, and
It is back in diesel engine from the first end of the first cavity 300；Cooling water flows through filter core from 400 first end of the second cavity
100 postcentral gyrus are flow in air-cooled unit 830, so that cooling water flow direction and lubricating oil flow direction are reversed；
Step 2: detecting the oil pressure in filter core 100 by first pressure sensor, detected back by second pressure sensor
Oil pressure in oil-in 720 is then sentenced when oil pressure is more than first pressure preset value in oil pressure in filter core 100 or oil return inlet 720
The service life for being set to lubricating oil will exhaust, prompting changing lubricating oil, and first pressure preset value is original oil pressure in filter core 100
1.4 again；
Step 3: the oil pressure of 300 oil outlet of the first cavity is detected by third pressure sensor, when the low oil pressure of oil outlet
When second pressure preset value, then it is insufficient to be determined as oil return oil pressure, and issue early warning, remind the service life of lubricating oil nearly,
Pay attention to carrying out oil exchange, second pressure preset value is 0.9 times of original oil pressure in filter core 100；
Step 4: passing through the lubricating oil temperature of the first temperature sensor measurement filter mechanism inlet, pass through second temperature
The lubricating oil temperature in sensor measurement filter mechanism exit, when the lubricating oil temperature in filter mechanism exit is more than the first temperature
When the lubricating oil temperature difference at preset value or filter mechanism entrance and exit is lower than second temperature preset value, then determine to lubrication
The cooling effect of oil is insufficient, and control blower improves revolving speed, by the lubricating oil temperature in filter mechanism exit drop to 110 DEG C with
Interior, the first temperature preset value is 120 DEG C, and second temperature preset value is 10 DEG C；
Step 5: passing through the 4th temperature sensor measurement by the water temperature at third temperature sensor measurement water inlet 430
The water temperature in 500 exit of return flow line, the water temperature at water inlet 430 are more than at third temperature preset value or water inlet 430
When the temperature difference of 500 exit water temperature of water temperature and return flow line is lower than the 4th temperature preset value, then determine to imitate the cooling of lubricating oil
Fruit is insufficient, controls blower and water pump improves revolving speed, the lubricating oil temperature in filter mechanism exit is dropped within 110 DEG C, the
Three temperature preset values are 95 DEG C, and the 4th temperature preset value is 10 DEG C；
Step 6: when diesel engine stable operation, if the lubricating oil temperature of filter mechanism inlet is more than the 5th temperature
When preset value, then determines that the oil level in diesel engine is insufficient, sound an alarm, prompting changing machine oil or addition machine oil, the 5th temperature
Preset value is 135 DEG C.
From the above mentioned, the present invention is easier to carry out status monitoring to the lubricating oil and cooling system of diesel engine, finds in time
It is abnormal, improve the operational reliability of diesel engine；Meanwhile the state of lubricating oil is improved by the monitoring of multiple indexes to lubrication
The reliability and timeliness of oil condition alarm；Also, the state of water-cooling system is improved by the monitoring of multiple indexes to water cooling
The reliability and timeliness of system running state alarm；According to the monitoring of oil pressure and water temperature, the revolving speed of water pump and blower is controlled, it will
Oil temperature and water temperature control in the reasonable scope, improve the control precision to oil temperature range.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of intelligent monitor system for diesel-driven generator characterized by comprising
First pressure sensor is arranged on the inside of the filter core of lubrication oil filtration mechanism, and the first pressure sensor is for surveying
The oil pressure inside the filter core is measured, an oil pump is provided on the inlet duct of the filter core, is opened on the pipeline of the oil pump front end
If an oil return inlet, the oil return inlet is connected to the filter core second end, and a shell, institute is arranged in the outer weekly interval envelope of the filter core
It states the outer weekly interval envelope of shell and one first cavity is set, first cavity is connected to the interior of shell, first cavity
One second cavity is arranged in outer weekly interval envelope, and flowing has cooling water in second cavity；
First temperature sensor is arranged in the pipeline of the oil return inlet front end, for measuring the filter mechanism entrance
The lubricating oil temperature at place；
Second temperature sensor is arranged in the oil outlet of first cavity, for measuring the filter mechanism exit
Lubricating oil temperature；
Second pressure sensor is arranged in the oil return inlet, for measuring the oil pressure in the oil return inlet；And
Controller, input terminal respectively with the first pressure sensor, second pressure sensor, the first temperature sensor and
The connection of two temperature sensors, the output end of the controller are connected with low oil level alarm module and lubricant life reminding module,
The low oil level alarm module is used to alarm when the oil level of lubricating oil in diesel engine is lower than preset value；The lubricating oil
Service life reminding module is used to carry out safety prompt function to the state characteristic of lubricating oil in the diesel engine.
2. being used for the intelligent monitor system of diesel-driven generator as described in claim 1, which is characterized in that the shell is cylinder
Hole cavity body structure, the filter core are arranged concentrically in the shell, and the axial first end and second end of the filter core is opened wide respectively,
First cavity is set in the periphery of the shell with one heart, and the shell and the first cavity mutually interconnect at the second end position
Logical, the first end of first cavity opens up an oil outlet, and the oil outlet is provided with the third pressure connecting with the controller
Force snesor.
3. being used for the intelligent monitor system of diesel-driven generator as claimed in claim 2, which is characterized in that second cavity is same
The heart is set in the periphery of first cavity, and the first end of second cavity opens up a water inlet, cold in second cavity
But the flow direction of water is opposite with the flow direction of lubricating oil in first cavity；Wherein, the filter core, shell, the first cavity and second
The both ends of cavity seal respectively forms the fixed independent cavity of structure.
4. being used for the intelligent monitor system of diesel-driven generator as claimed in claim 3, which is characterized in that second cavity two
End periphery is respectively arranged with butt joint, and it is external that the first end of second cavity is tightly connected one first with accommodating cavity
Head, first coupling is by including the first end envelope of the filter core, and the first coupling first end center is through opening up
One oil inlet, the oil inlet is connected to loop exit in the lubricating oil of the diesel engines by a first pipe, described
Oil pump is arranged in the first pipe, and the oil return inlet is provided in the first pipe of the oil pump front end, described fuel-displaced
Mouth is through first coupling and is connected to loop head in the lubricating oil of the diesel engines.
5. being used for the intelligent monitor system of diesel-driven generator as claimed in claim 4, which is characterized in that second cavity
Second end is tightly connected second coupling with accommodating cavity, and second coupling is by the second end envelope of the filter core
Inside, through oil return outlet is opened up on the second coupling side wall, the oil return outlet is connected to by a second pipe
The oil return inlet, wherein the bore of the oil return outlet is the 1/3~1/5 of the first pipe bore.
6. being used for the intelligent monitor system of diesel-driven generator as claimed in claim 5, which is characterized in that the shell and filter core
Between space be not less than the filter core inner space, the radial distance between first cavity and shell is in the filter core
DiameterBetween times, the radial distance between second cavity and the first cavity is not less than the filter core internal diameter
'sTimes.
7. being used for the intelligent monitor system of diesel-driven generator as claimed in claim 6, which is characterized in that the water inlet connection
To the outlet of an air-cooled unit, the blower in the air-cooled unit is connect by one first driver with the controller, described
Controller controls the rotation speed of fan, the rotation speed of fan and described second according to the feedback temperature of the second temperature sensor
The feedback temperature of temperature sensor is directly proportional.
8. being used for the intelligent monitor system of diesel-driven generator as claimed in claim 7, which is characterized in that set in the water inlet
It is equipped with third temperature sensor, the third temperature sensor is connect with the controller；The water inlet and the Air cooler
One water pump is set on the pipeline between group outlet, and the water pump is connect by one second driver with the controller, the control
Device processed controls the pump rotary speed, the pump rotary speed and the third temperature according to the feedback temperature of the third temperature sensor
The feedback temperature for spending sensor is directly proportional.
9. being used for the intelligent monitor system of diesel-driven generator as claimed in claim 8, which is characterized in that in the axis of the filter core
A return flow line is arranged in the heart, and the second end of the return flow line is connected to the second end of second cavity, the return flow line
First end through first coupling and be connected to the entrance of the air-cooled unit, the first end setting of the return flow line
There is the 4th temperature sensor connecting with the controller.
10. a kind of intelligent control method for being used for diesel-driven generator as claimed in claim 9, which is characterized in that including following
Step:
Step 1: diesel engine is run, starts oil pump, the lubricating oil in diesel engine is pumped into filter core first with fixed flow
End, lubricating oil flow through filter core and make that parts of lubricating oil is flowed into after filtering in shell, another part lubricating oil is back to oil pump
Front-end pipelines, the lubricating oil in shell flows into the first cavity second end from second end, and flows back from the first end of the first cavity
Into diesel engine；Cooling water flows through filter core postcentral gyrus from the second cavity first end and flow in air-cooled unit, so that cold
But water flow is reversed to flowing to lubricating oil；
Step 2: detecting the oil pressure in filter core by first pressure sensor, oil return inlet is detected by second pressure sensor
In oil pressure, when in oil pressure in filter core or oil return inlet oil pressure be more than first pressure preset value when, then be determined as making for lubricating oil
It will be exhausted with the service life, prompting changing lubricating oil, first pressure preset value is 1.3~1.6 times of original oil pressure in filter core；
Step 3: the oil pressure of the first cavity oil outlet is detected by third pressure sensor, when the oil pressure of oil outlet is lower than second
When pressure preset, then it is insufficient to be determined as oil return oil pressure, and issue early warning, second pressure preset value is original oil pressure in filter core
0.85~0.95 times；
Step 4: passing through the lubricating oil temperature of the first temperature sensor measurement filter mechanism inlet, sensed by second temperature
Device measures the lubricating oil temperature in filter mechanism exit, when the lubricating oil temperature in filter mechanism exit is more than that the first temperature is default
When the lubricating oil temperature difference at value or filter mechanism entrance and exit is lower than second temperature preset value, then determine to lubricating oil
Cooling effect is insufficient, and control blower improves revolving speed, and the lubricating oil temperature in filter mechanism exit is dropped within 110 DEG C, the
One temperature preset value is 120 DEG C, and second temperature preset value is 10 DEG C；
Step 5: passing through the water temperature of third temperature sensor measurement water inlet, flowed back by the 4th temperature sensor measurement logical
The water temperature in road exit, when the water temperature of water inlet is more than third temperature preset value or water inlet water temperature and return flow line
When the temperature difference of exit water temperature is lower than the 4th temperature preset value, then determine it is insufficient to the cooling effect of lubricating oil, control blower and
Water pump improves revolving speed, and the lubricating oil temperature in filter mechanism exit is dropped within 110 DEG C, and third temperature preset value is 95
DEG C, the 4th temperature preset value is 10 DEG C；
Step 6: when diesel engine stable operation, if the lubricating oil temperature of filter mechanism inlet is more than that the 5th temperature is default
When value, then determines that the oil level in diesel engine is insufficient, sound an alarm, the 5th temperature preset value is 135 DEG C.
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