CN110805497B - Engine integration type control system and method for skid-steer loader - Google Patents
Engine integration type control system and method for skid-steer loader Download PDFInfo
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- CN110805497B CN110805497B CN201911016213.2A CN201911016213A CN110805497B CN 110805497 B CN110805497 B CN 110805497B CN 201911016213 A CN201911016213 A CN 201911016213A CN 110805497 B CN110805497 B CN 110805497B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000010354 integration Effects 0.000 title description 2
- 239000010802 sludge Substances 0.000 claims abstract description 71
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims description 21
- 239000002270 dispersing agent Substances 0.000 claims description 13
- 239000003599 detergent Substances 0.000 claims description 12
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 4
- 230000003381 solubilizing effect Effects 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 44
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 239000010710 diesel engine oil Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
- E02F9/2066—Control of propulsion units of the type combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/089—Safety, indicating, or supervising devices relating to engine temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/021—Engine temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/702—Road conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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- Civil Engineering (AREA)
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- Operation Control Of Excavators (AREA)
Abstract
The invention discloses an engine integrated control system and method for a skid steer loader, wherein the engine integrated control system for the skid steer loader comprises an engine integrated control system, a temperature acquisition module, a noise acquisition module, a road surface driving road condition information module, a central processing module, an alarm module, an oil sludge detection module and an oil sludge cleaning module; the temperature acquisition module, the noise acquisition module, the road surface driving condition information module, the alarm module, the oil sludge detection module and the central processing module are electrically connected, and the oil sludge cleaning module is electrically connected with the oil sludge detection module; when the temperature data and the noise data exceed the normal range, the central processing module compares and analyzes the temperature data, the noise data and the road condition information, and gives an alarm.
Description
Technical Field
The invention relates to the field of loaders, in particular to an engine integrated control system and method for a skid steer loader.
Background
The skid steer loader is also called a skid steer loader, a multifunctional engineering vehicle and a multifunctional engineering machine. The chassis device is a wheel type special chassis device which realizes vehicle steering by using the linear velocity difference of wheels at two sides. The device is mainly used for occasions with narrow operation places, uneven ground and frequent operation content change.
The device is suitable for infrastructure construction, industrial application, wharf loading and unloading, urban streets, houses, barns, animal houses, airport runways and the like, and can be used as auxiliary equipment of large-scale engineering construction machinery. The skid steer loader has two traveling modes: wheeled and tracked. The engines of the skid steer loader include various types such as non-supercharged diesel engines and turbocharged diesel engines. The engine conducts energy to a set of hydraulic pumps that are directly connected to the engine output.
Diesel engine oil is required to have good high-temperature detergency because diesel engine oil is often driven on roads, the engine temperature and pressure are high due to long-time running of the vehicle, more soot and carbon deposit are generated in a cylinder, and the engine oil is easy to oxidize to generate colloid.
Disclosure of Invention
The invention aims to provide an integrated engine control system and method for a skid steer loader, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an engine integrated control system for a skid steer loader comprises a temperature acquisition module, a noise acquisition module, a road surface driving condition information module, a central processing module, an alarm module, an oil sludge detection module and an oil sludge cleaning module;
the temperature acquisition module, the noise acquisition module, the road surface driving road condition information module, the alarm module, the oil sludge detection module and the central processing module are electrically connected, and the oil sludge cleaning module is electrically connected with the oil sludge detection module.
According to the technical scheme, the temperature acquisition module comprises a first temperature sensor and a second temperature sensor, and the first temperature sensor and the second temperature sensor are respectively positioned on two sides of the engine;
the first temperature sensor and the second temperature sensor are used for measuring the temperature of two sides of the engine, the first temperature sensor is electrically connected with the second temperature sensor, and the first temperature sensor and the second temperature sensor both adopt pt100 temperature sensors.
According to the technical scheme, the noise acquisition module comprises a noise monitor for monitoring the operating noise of the loader engine, and the noise monitor adopts a BR-ZS1 noise monitor.
According to the technical scheme, the road surface driving condition information module comprises a plurality of high-definition cameras and a road surface detection sensor;
the road surface detection sensor is electrically connected with the plurality of high-definition cameras, the road surface detection sensor presets vehicle driving road condition information in advance, the vehicle driving road condition information comprises a flat road condition, a pit road condition, an uphill road condition and a downhill road condition, the plurality of high-definition cameras are used for recording the road surface condition, and the road surface detection sensor is used for judging the road condition through the road surface condition recorded by the high-definition cameras.
According to the technical scheme, the central processing module comprises a PLC controller used for processing and analyzing the control system and a database used for comparing data;
the input end of the PLC is respectively connected with the temperature acquisition module, the noise acquisition module and the road surface driving condition information module, the input end of the PLC is respectively connected with the alarm module and the oil sludge detection module, and the database is respectively connected with the temperature acquisition module and the noise acquisition module.
According to the technical scheme, the alarm module comprises the alarm lamp and the buzzer, and the alarm lamp and the buzzer are both electrically connected with the PLC.
According to the technical scheme, the oil sludge monitoring module comprises an oil sludge detection sensor, the oil sludge cleaning module comprises a detergent dispersant storage box, and the oil sludge inspection sensor is electrically connected with the detergent dispersant storage box;
the oil sludge inspection sensor is used for inspecting oil sludge in the engine, and the detergent dispersant storage box is used for flowing detergent dispersant into the engine.
An engine integrated control method for a skid steer loader:
s1, collecting the temperatures of the two sides of the loader engine by using the temperature collecting module, and sending the temperature collecting result to the central processing module;
s2, monitoring the noise of the loader engine by using the noise acquisition module, and sending the data acquired by the noise monitor to the central processing module;
s3, the road condition of the road surface is checked by using the road surface driving road condition information module, and the road condition information is sent to the central processing module;
s4, comparing and analyzing the temperature data, the noise data and the road condition information by utilizing the interior of the central processing module;
s5, alarming the abnormity of the engine by using an alarm module;
and S6, monitoring the oil sludge in the loader engine by using the oil sludge monitoring module, and washing, dispersing and solubilizing the oil sludge in the loader engine by using the oil sludge washing module.
According to the above technical solution, when the central processing module is used to compare and analyze the temperature data, the noise data and the road condition information in step S4, the method further comprises the following steps:
a1: comparing the temperature of the engine of the normal loader stored in the database in the central processing module with the temperature data sent by the temperature acquisition module, and extracting the temperature data in the current time period when the acquired temperature data exceeds the normal temperature data;
a2: the noise of the engine of the normal loader stored in the database in the central processing module is compared with the noise data sent by the noise acquisition module, and when the acquired noise data exceeds the normal noise data, the noise data in the current time period is extracted.
A3: the database extracts the threshold values of the temperature and the noise of the engine of the loader under different road conditions according to the road condition information sent by the road running road condition information module;
a4: calculating and analyzing by using the extracted temperature data and noise data of the current time period, and comparing the calculation result with a threshold value in a database;
wherein the normal temperature of the loader engine stored in the database is 85-95 ℃, and the normal noise decibel is 85-100 dB.
According to the technical scheme, in the step A4, the central processing module adopts the normal engine temperature stored in the database to compare with the detected temperature data, and adopts the normal engine noise stored in the database to compare with the detected noise data;
when the temperature data and the noise data are larger than normal values stored in the database, the current temperature of the engine loader is collected by using a first temperature sensor and a second temperature sensor, and the temperature data collected by the first temperature sensor is set to be V1、V2、V3、…、V(n-1)、Vn(unit: degree); the acquisition temperature of the second temperature sensor is set to W1、W2、W3、…、W(n-1)、Wn(unit: degree), setting temperature data as C, according to the formula:
calculating the monitored temperature data, and setting the temperature data as C1、C2、C3、…、C(n-1)、Cn(unit: degree), collecting the noise inside the loader by using a noise monitor, and setting the collected noise data as D1、D2、D3、…、D(n-1)、Dn(unit: dB), the threshold value of the temperature of the loader engine under the conditions of level road condition, pit road condition, uphill road condition and downhill road condition is set to be L1-1、L1-2、L1-3、L1-4Setting the threshold value of the noise of the engine of the loader under the conditions of level road conditions, pit road conditions, uphill road conditions and downhill road conditions to be L2-1、L2-2、L2-3、L2-4；
Setting the average numbers of the collected temperature data and the noise data as M1 and M2 respectively, and according to the formula:
when the loader road conditions are respectively the road conditions of level roads, pits, uphill roads and downhill roads, M1 is respectively less than or equal to L1-1、L1-2、L1-3、L1-4M2 is each less than or equal to L2-1、L2-2、L2-3、L2-4The central processing module judges the detected temperature data and noise data to be normal, and when the road condition of the loader is respectively in a flat road condition, a pit road condition, an uphill road condition and a downhill road condition, M1 is respectively larger than L1-1、L1-2、L1-3、L1-4Wherein any of the thresholds, M2 is greater than L2-1、L2-2、L2-3、L2-4WhereinAnd if any threshold value is adopted, the central processing module judges that the detected temperature data and noise data are abnormal, the abnormal data are sent to the alarm module and the oil sludge detection module, the oil sludge detection module detects the oil sludge, and the monitoring data are sent to the oil sludge cleaning module to carry out oil sludge cleaning on the engine of the loader.
Compared with the prior art, the invention has the beneficial effects that:
the temperature monitoring module is used for monitoring the temperature of the loader engine in real time, the first temperature sensor and the second temperature sensor can measure the temperature of two sides of the loader engine, so that the temperature of the loader engine can be accurately measured, the noise monitor can measure the noise in the loader engine, so that abnormal noise of the engine can be monitored, the road surface driving road condition information module records the road surface condition by using the high-definition camera, and the road surface detection sensor is used for judging the road condition by the road surface condition recorded by the high-definition camera, so that a reasonable threshold value is set for the temperature of the engine and the generated noise;
utilize central processing module can surpass the temperature data and the noise data of normal scope and carry out the analysis, thereby judge the condition of temperature data and noise data under the road conditions of difference, alarm module can report to the police to loader engine temperature and noise are too high, in time remind operating personnel to overhaul, fatlute detection module can be when loader engine temperature is too high, monitor the inside greasy dirt volume of engine, thereby make fatlute washing module release the clean dispersant, disperse the inside fatlute of loader, wash.
Drawings
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a schematic diagram of an integrated engine control system for a skid steer loader according to the present invention;
FIG. 2 is a schematic step diagram of an integrated engine control method for a skid steer loader according to the present invention;
FIG. 3 is a detailed step diagram of step S4 of the integrated engine control method for a skid steer loader according to the present invention;
fig. 4 is a schematic diagram of an implementation process of an engine integration type control method for a skid steer loader according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An integrated engine control system and method for a skid steer loader.
The working principle of the invention is as follows: an engine integrated control system for a skid steer loader comprises a temperature acquisition module, a noise acquisition module, a road surface driving condition information module, a central processing module, an alarm module, an oil sludge detection module and an oil sludge cleaning module;
the temperature acquisition module, the noise acquisition module, the road surface driving road condition information module, the alarm module, the oil sludge detection module and the central processing module are electrically connected, and the oil sludge cleaning module is electrically connected with the oil sludge detection module.
According to the technical scheme, the temperature acquisition module comprises a first temperature sensor and a second temperature sensor, and the first temperature sensor and the second temperature sensor are respectively positioned on two sides of the engine;
the first temperature sensor and the second temperature sensor are used for measuring the temperature of two sides of the engine, the first temperature sensor is electrically connected with the second temperature sensor, and the first temperature sensor and the second temperature sensor both adopt pt100 temperature sensors.
According to the technical scheme, the noise acquisition module comprises a noise monitor for monitoring the operating noise of the loader engine, and the noise monitor adopts a BR-ZS1 noise monitor.
According to the technical scheme, the road surface driving condition information module comprises a plurality of high-definition cameras and a road surface detection sensor;
the road surface detection sensor is electrically connected with the plurality of high-definition cameras, the road surface detection sensor presets vehicle driving road condition information in advance, the vehicle driving road condition information comprises a flat road condition, a pit road condition, an uphill road condition and a downhill road condition, the plurality of high-definition cameras are used for recording the road surface condition, and the road surface detection sensor is used for judging the road condition through the road surface condition recorded by the high-definition cameras.
According to the technical scheme, the central processing module comprises a PLC controller used for processing and analyzing the control system and a database used for comparing data;
the input end of the PLC is respectively connected with the temperature acquisition module, the noise acquisition module and the road surface driving condition information module, the input end of the PLC is respectively connected with the alarm module and the oil sludge detection module, and the database is respectively connected with the temperature acquisition module and the noise acquisition module.
According to the technical scheme, the alarm module comprises the alarm lamp and the buzzer, and the alarm lamp and the buzzer are both electrically connected with the PLC.
According to the technical scheme, the oil sludge monitoring module comprises an oil sludge detection sensor, the oil sludge cleaning module comprises a detergent dispersant storage box, and the oil sludge inspection sensor is electrically connected with the detergent dispersant storage box;
the oil sludge inspection sensor is used for inspecting oil sludge in the engine, and the detergent dispersant storage box is used for flowing detergent dispersant into the engine.
An engine integrated control method for a skid steer loader:
s1, collecting the temperatures of the two sides of the loader engine by using the temperature collecting module, and sending the temperature collecting result to the central processing module;
s2, monitoring the noise of the loader engine by using the noise acquisition module, and sending the data acquired by the noise monitor to the central processing module;
s3, the road condition of the road surface is checked by using the road surface driving road condition information module, and the road condition information is sent to the central processing module;
s4, comparing and analyzing the temperature data, the noise data and the road condition information by utilizing the interior of the central processing module;
s5, alarming the abnormity of the engine by using an alarm module;
and S6, monitoring the oil sludge in the loader engine by using the oil sludge monitoring module, and washing, dispersing and solubilizing the oil sludge in the loader engine by using the oil sludge washing module.
According to the above technical solution, when the central processing module is used to compare and analyze the temperature data, the noise data and the road condition information in step S4, the method further comprises the following steps:
a1: comparing the temperature of the engine of the normal loader stored in the database in the central processing module with the temperature data sent by the temperature acquisition module, and extracting the temperature data in the current time period when the acquired temperature data exceeds the normal temperature data;
a2: the noise of the engine of the normal loader stored in the database in the central processing module is compared with the noise data sent by the noise acquisition module, and when the acquired noise data exceeds the normal noise data, the noise data in the current time period is extracted.
A3: the database extracts the threshold values of the temperature and the noise of the engine of the loader under different road conditions according to the road condition information sent by the road running road condition information module;
a4: calculating and analyzing by using the extracted temperature data and noise data of the current time period, and comparing a calculation result with a threshold value in a database;
wherein the normal temperature of the loader engine stored in the database is 85-95 ℃, and the normal noise decibel is 85-100 dB.
According to the technical scheme, in the step A4, the central processing module adopts the temperature data of the normal engine temperature contrast detection stored in the database and adopts the noise data of the normal engine noise contrast detection stored in the database;
when the temperature data and the noise data are larger than normal values stored in the database, the current temperature of the engine loader is acquired by using a first temperature sensor and a second temperature sensor, and the temperature data acquired by the first temperature sensor is set to be V1、V2、V3、…、V(n-1)、Vn(unit: degree); the acquisition temperature of the second temperature sensor is set to W1、W2、W3、…、W(n-1)、Wn(unit: degree), setting temperature data as C, according to the formula:
calculating the monitored temperature data, and setting the temperature data as C1、C2、C3、…、C(n-1)、Cn(unit: degree), collecting the noise inside the loader by using a noise monitor, and setting the collected noise data as D1、D2、D3、…、D(n-1)、Dn(unit: dB), the threshold value of the temperature of the loader engine under the conditions of level road condition, pit road condition, uphill road condition and downhill road condition is set to be L1-1、L1-2、L1-3、L1-4Setting the threshold value of the noise of the engine of the loader under the conditions of level road condition, pit road condition, uphill road condition and downhill road condition as L2-1、L2-2、L2-3、L2-4；
Setting the average numbers of the collected temperature data and the noise data to be M1 and M2 respectively according to the formula:
when the road condition of the loader is respectively in a level road condition, a pit road condition, an uphill road condition and a downhill road condition, M1 is respectively less than or equal to L1-1、L1-2、L1-3、L1-4M2 is each less than or equal to L2-1、L2-2、L2-3、L2-4The central processing module judges the detected temperature data and noise data to be normal, and when the road condition of the loader is respectively in a flat road condition, a pit road condition, an uphill road condition and a downhill road condition, M1 is respectively larger than L1-1、L1-2、L1-3、L1-4Wherein any of the thresholds, M2 is greater than L2-1、L2-2、L2-3、L2-4And the central processing module judges whether the detected temperature data and the detected noise data are abnormal according to any threshold value, sends the abnormal data to the alarm module and the oil sludge detection module, and the oil sludge detection module detects the oil sludge and sends the monitoring data to the oil sludge cleaning module to perform oil sludge cleaning on the loader engine.
Example 1: the limiting conditions are as follows: the road surface driving road condition information module judges the current driving road surface as a level road condition, the temperature data acquired by the first temperature sensor to the front surface of the loader engine in real time are 85 degrees, 87 degrees, 92 degrees, 94.3 degrees and 95.7 degrees, the temperature data acquired by the second temperature sensor to the back surface of the loader engine in real time are 85.4 degrees, 86 degrees, 93 degrees, 89 degrees and 95.5 degrees, the noise monitor monitors the noise decibel of the loader engine in real time and has the numerical values of 86dB, 89dB, 96dB, 101dB and 97dB, and the L of the level road condition is set1-1Is 100 degrees, L2-1105dB, the monitored temperature data and noise data exceed the normal value range stored in the database, and the current temperature data and noise data are extracted according to the formula:
(unit: degree)
The calculation yields C1 ═ 85.2, C2 ═ 86.5, C3 ═ 92.5, C4 ═ 91.7, and C5 ═ 95.6, according to the formula:
calculating to obtain:
m1 and M2 are less than L1-1And L2-1The central processing module judges whether the monitored temperature data and the monitored noise data belong to normal conditions, and the central processing module does not process the data.
Example 2: the limiting conditions are as follows: the road surface driving road condition information module judges the current driving road surface to be the pit road condition, the temperature data acquired by the first temperature sensor on the front surface of the loader engine in real time are 97.5 degrees, 103 degrees, 105 degrees, 107 degrees and 111 degrees, the temperature data acquired by the second temperature sensor on the back surface of the loader engine in real time are 98 degrees, 101 degrees, 106 degrees, 108 degrees and 116 degrees, the noise monitor on the noise decibel of the loader engine in real time is 92dB, 97dB, 103dB, 109dB and 117dB, and the L of the pit road condition is set1-2Is 105 degrees, L2-2At 110dB, the monitored temperature data and noise data exceed the normal value range stored in the database, and the current temperature data and noise data are extracted according to the formula:
the calculation results in C1 ═ 97.8, C2 ═ 102, C3 ═ 105.5, C4 ═ 107.5, and C5 ═ 113.5, according to the formula:
calculating to obtain:
m1 is greater than L1-2M2 is less than L2-2The central processing module judges whether the monitored noise data belongs to normal conditions, and the central processing module judges the monitored temperatureAnd the central processing module sends the temperature data to the alarm module and the oil sludge monitoring module when the data belong to abnormal conditions.
Example 3: the limiting conditions are as follows: the road surface driving road condition information module judges the current driving road surface as an uphill road condition, the temperature data acquired by the first temperature sensor on the front surface of the loader engine in real time are 98 degrees, 103 degrees, 105 degrees, 104.2 degrees and 107 degrees, the temperature data acquired by the second temperature sensor on the back surface of the loader engine in real time are 96.5 degrees, 101 degrees, 103 degrees, 108 degrees and 105 degrees, the values of the noise monitor on the noise decibel of the loader engine in real time are 97dB, 98dB, 106dB, 117dB and 121dB, and L of the uphill road condition is set1-3Is 103 degrees, L2-3And the monitored temperature data and noise data exceed the normal numerical range stored in the database, the current temperature data and noise data are extracted, and according to the formula:
the calculation results in C1 ═ 97.3, C2 ═ 102, C3 ═ 104, C4 ═ 106.1, and C5 ═ 106, according to the formula:
calculating to obtain:
m1 is greater than L1-3，M2 is greater than L2-1And the central processing module judges whether the monitored noise data and the temperature data belong to abnormal conditions, and sends the temperature data to the alarm module and the oil sludge monitoring module.
Example 4: the limiting conditions are as follows: the road surface driving road condition information module judges the current driving road surface as the downhill road condition, and the first temperature sensor collects the temperature number of the front surface of the engine of the loader in real timeAccording to the temperature data of 85 degrees, 87 degrees, 89.5 degrees, 91 degrees and 92.3 degrees, the temperature data acquired by the second temperature sensor on the back of the loader engine in real time are 86 degrees, 89 degrees, 92.4 degrees, 93 degrees and 88 degrees, the noise decibels of the loader engine monitored by the noise monitor in real time are 85dB, 87dB, 91dB, 93dB and 99.4dB, and the L of the uphill road condition is set1-4Is 100 degrees, L2-4The monitored temperature data and the monitored noise data do not exceed the normal numerical range stored in the database, and the central processing module does not extract the current temperature data and the current noise data and does not process the data.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. An integrated engine control method for a skid-steer loader is characterized by comprising the following steps:
s1, collecting the temperatures of the two sides of the loader engine by using the temperature collecting module, and sending the temperature collecting result to the central processing module;
s2, monitoring the noise of the loader engine by using the noise acquisition module, and sending the data acquired by the noise monitor to the central processing module;
s3, the road condition of the road surface is checked by using the road surface driving road condition information module, and the road condition information is sent to the central processing module;
s4, comparing and analyzing the temperature data, the noise data and the road condition information by utilizing the interior of the central processing module;
s5, alarming the abnormity of the engine by using an alarm module;
s6, monitoring the oil sludge in the engine of the loader by using an oil sludge monitoring module, and washing, dispersing and solubilizing the oil sludge in the engine of the loader by using an oil sludge washing module;
in S4, when the central processing module is used to compare and analyze the temperature data, the noise data, and the traffic information, the method further includes the following steps:
a1: comparing the temperature of the engine of the normal loader stored in the database in the central processing module with the temperature data sent by the temperature acquisition module, and extracting the temperature data in the current time period when the acquired temperature data exceeds the normal temperature data;
a2: comparing the noise of the engine of the normal loader stored in the database in the central processing module with the noise data sent by the noise acquisition module, and extracting the noise data in the current time period when the acquired noise data exceeds the normal noise data;
a3: the database extracts the threshold values of the temperature and the noise of the engine of the loader under different road conditions according to the road condition information sent by the road running road condition information module;
a4: calculating and analyzing by using the extracted temperature data and noise data of the current time period, and comparing a calculation result with a threshold value in a database; the normal temperature of a loader engine stored in the database is 85-95 ℃, and the normal noise decibel is 85-100 dB;
in step a4, the central processing module compares the detected temperature data with the normal engine temperature stored in the database, and compares the detected noise data with the normal engine noise stored in the database;
when the temperature data and the noise data are larger than normal values stored in the database, the current temperature of the engine loader is collected by using a first temperature sensor and a second temperature sensor, and the temperature data collected by the first temperature sensor is set to be V1、V2、V3、…、V(n-1)、Vn，The unit is degree; the acquisition temperature of the second temperature sensor is set to W1、W2、W3、…、W(n-1)、Wn，The unit is degree; setting the temperature data as C, according to the formula:
C=
calculating the monitored temperature data, and setting the temperature data as C1、C2、C3、…、C(n-1)、Cn，The unit is degree, noise inside the loader is collected by a noise monitor, and the collected noise data is set as D1、D2、D3、…、D(n-1)、Dn，The unit is dB; setting the threshold value of the temperature of the engine of the loader under the conditions of level road condition, pit road condition, uphill road condition and downhill road condition to be L1-1、L1-2、L1-3、L1-4Setting the threshold value of the noise of the engine of the loader under the conditions of level road conditions, pit road conditions, uphill road conditions and downhill road conditions to be L2-1、L2-2、L2-3、L2-4；
Setting the average numbers of the collected temperature data and the collected noise data as M1 and M2 respectively, and according to the formula:
when the road condition of the loader is respectively in a level road condition, a pit road condition, an uphill road condition and a downhill road condition, M1 is respectively less than or equal to L1-1、L1-2、L1-3、L1-4M2 is each less than or equal to L2-1、L2-2、L2-3、L2-4The central processing module judges the detected temperature data and noise data to be normal, and when the road condition of the loader is respectively in a flat road condition, a pit road condition, an uphill road condition and a downhill road condition, M1 is respectively larger than L1-1、L1-2、L1-3、L1-4Wherein any of the thresholds, M2 is greater than L2-1、L2-2、L2-3、L2-4Wherein an arbitrary threshold value ofThe central processing module judges that the detected temperature data and the detected noise data are abnormal, sends the abnormal data to the alarm module and the oil sludge detection module, and the oil sludge detection module detects oil sludge and sends the monitoring data to the oil sludge cleaning module to clean oil sludge of the engine of the loader.
2. An engine integrated control system applying the engine integrated control method for the skid steer loader according to claim 1, characterized in that: the integrated engine control system comprises a temperature acquisition module, a noise acquisition module, a road surface driving road condition information module, a central processing module, an alarm module, an oil sludge detection module and an oil sludge cleaning module;
the temperature acquisition module, the noise acquisition module, the road surface driving road condition information module, the alarm module, the oil sludge detection module and the central processing module are electrically connected, and the oil sludge cleaning module is electrically connected with the oil sludge detection module.
3. The integrated engine control system according to claim 2, wherein: the temperature acquisition module comprises a first temperature sensor and a second temperature sensor, and the first temperature sensor and the second temperature sensor are respectively positioned on two sides of the engine;
the first temperature sensor and the second temperature sensor are used for measuring the temperature of two sides of the engine, the first temperature sensor is electrically connected with the second temperature sensor, and the first temperature sensor and the second temperature sensor both adopt pt100 temperature sensors.
4. The integrated engine control system according to claim 2, wherein: the noise acquisition module comprises a noise monitor for monitoring the operating noise of the loader engine, and the noise monitor adopts a BR-ZS1 noise monitor.
5. The integrated engine control system according to claim 2, wherein: the road surface driving condition information module comprises a plurality of high-definition cameras and a road surface detection sensor;
the road surface detection sensor is electrically connected with the high-definition cameras, the road surface detection sensor is internally preset with vehicle driving road condition information, the vehicle driving road condition information comprises a level road condition, a pit road condition, an uphill road condition and a downhill road condition, the high-definition cameras are used for recording the road surface condition, and the road surface detection sensor is used for judging the road condition through the road surface condition recorded by the high-definition cameras.
6. The integrated engine control system according to claim 2, wherein: the central processing module comprises a PLC controller for processing and analyzing the control system and a database for data comparison;
the input end of the PLC is respectively and electrically connected with the temperature acquisition module, the noise acquisition module and the road surface driving condition information module, the input end of the PLC is respectively and electrically connected with the alarm module and the oil sludge detection module, and the database is respectively and electrically connected with the temperature acquisition module and the noise acquisition module.
7. The integrated engine control system according to claim 2, wherein: alarm module includes warning light and bee calling organ, and warning light and bee calling organ all are connected with the PLC controller electricity.
8. The integrated engine control system according to claim 2, wherein: the oil sludge detection module comprises an oil sludge detection sensor, the oil sludge cleaning module comprises a detergent dispersant storage box, and the detergent dispersant storage box of the oil sludge detection sensor is electrically connected with the oil sludge detection sensor; the oil sludge detection sensor is used for detecting oil sludge in the engine, and the detergent dispersant storage box is used for flowing detergent dispersant into the engine.
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| CN1736829A (en) * | 2004-08-21 | 2006-02-22 | 山东临工工程机械有限公司 | Embeded type failure diagnozing system for loader hydralic system |
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| CN102588108B (en) * | 2011-01-07 | 2015-04-08 | 王浚锋 | Cleaning device for internal combustion engine |
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