CN109673217A - Vegetable drill operation fault diagnosis system and method - Google Patents
Vegetable drill operation fault diagnosis system and method Download PDFInfo
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- CN109673217A CN109673217A CN201910074670.0A CN201910074670A CN109673217A CN 109673217 A CN109673217 A CN 109673217A CN 201910074670 A CN201910074670 A CN 201910074670A CN 109673217 A CN109673217 A CN 109673217A
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- 235000013311 vegetables Nutrition 0.000 title claims abstract description 36
- 238000003745 diagnosis Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 89
- 238000007599 discharging Methods 0.000 claims abstract description 68
- 238000009331 sowing Methods 0.000 claims abstract description 52
- 238000012795 verification Methods 0.000 claims abstract description 42
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 27
- 239000000523 sample Substances 0.000 claims description 22
- 238000010899 nucleation Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 22
- 230000000903 blocking effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
- Fertilizing (AREA)
Abstract
The present embodiments relate to agricultural machinery fault diagnosis technology fields, a kind of vegetable drill operation fault diagnosis system and method are provided, vegetable drill operation fault diagnosis system includes car-mounted terminal and multiple sensors, and car-mounted terminal includes duty parameter monitoring unit, broadcast leakage monitoring unit and fault verification unit；Duty parameter monitoring unit is analyzed to obtain duty parameter, and duty parameter is transferred to fault verification unit according to the signal that multiple sensors are sent；Broadcast leakage monitoring unit gives fault verification unit for obtaining discharging tube state, and by above-mentioned state transfer；When having monitored discharging tube state to block or not sowing, the instruction of broadcast leakage fault verification is provided to fault verification unit；Fault verification unit, for according to duty parameter and discharging tube state, obtaining fault type, position and the reason of broadcast leakage after receiving broadcast leakage and determining instruction.It can be to key position working condition real-time monitoring, accurate judgement fault type, position and reason.
Description
Technical field
The present embodiments relate to agricultural machinery fault diagnosis technology fields more particularly to a kind of vegetable drill operation failure to examine
Disconnected system and method.
Background technique
Vegetables are more demanding to field earth's surface, when vegetable drill farm work, can usually go out land wheel skid, landform top
It winnows with a dustpan, the failures such as driving chain failure, causes broadcast leakage phenomenon, lead to the vegetables underproduction.Since vegetable drill is complex, once go out
Existing failure is found and debugs more time-consuming, reduces operating efficiency.
In addition, the parameter that the on-stream monitoring device being equipped on vegetable drill common at present can monitor is not comprehensive,
Sensor is typically just installed on discharging tube, monitors whether broadcast leakage, operation failure can not be diagnosed.
Summary of the invention
The embodiment of the present invention provides a kind of vegetable drill operation fault diagnosis system and method, to solve current vegetables
The parameter for the on-stream monitoring device monitoring being equipped on drill for sowing in lines is not comprehensive, can not be real to the defect that operation failure is diagnosed
Now automatically and accurately it is diagnosed to be fault type, position and the reason that broadcast leakage is caused on vegetable drill.
The embodiment of the present invention provides a kind of vegetable drill operation fault diagnosis system, comprising: car-mounted terminal and multiple biographies
Sensor, the car-mounted terminal include duty parameter monitoring unit, broadcast leakage monitoring unit and fault verification unit；
The duty parameter monitoring unit, for receiving the collected signals of multiple sensors institutes, according to receiving
Signal analyze to obtain duty parameter, and the duty parameter is transferred to the fault verification unit；
The broadcast leakage monitoring unit gives the fault verification list for obtaining discharging tube state, and by above-mentioned state transfer
Member；When having monitored discharging tube state to block or not sowing, Xiang Suoshu fault verification unit provides broadcast leakage fault verification and refers to
Show；
The fault verification unit, after determining instruction in the broadcast leakage for receiving the broadcast leakage monitoring unit transmission, root
According to the duty parameter and discharging tube state, analysis obtains fault type, position and the reason of broadcast leakage.
Wherein, the car-mounted terminal further includes display alarm unit；
The display alarm unit, for showing the duty parameter and discharging tube state, according to the fault verification list
The judgement of member is as a result, output fault verification unit determines fault type, position and reason, progress warning note.
Wherein, the sensor includes Running Speed of Tractor sensor, rear wheel rotation speed sensor, land wheel velocity pick-up
Device, drill for sowing in lines lifting monitoring sensor, plants case monitoring material position sensor, seeding shaft speed transducer, seed agitator speed pass
Sensor, transmission input shaft speed probe and output shaft of gear-box speed probe；
Correspond ground, the duty parameter monitoring unit, for receiving the Running Speed of Tractor sensor, institute
State rear wheel rotation speed sensor, the seed agitator speed sensor, the transmission input shaft speed probe, the speed change
Case output shaft speed sensor, the drill for sowing in lines lifting monitoring sensor, the plants case monitoring material position sensor, described ground wheel speed
The collected signal of sensor and seeding shaft speed transducer institute is spent, analyzes to obtain including dilatory according to the signal received
Machine travel speed, rear wheel rotation speed, seed agitator speed, transmission input shaft revolving speed, output shaft of gear-box revolving speed, drill for sowing in lines liter
Drop state, plants case whether lack kind, wheel speed and feed shaft revolving speed duty parameter.
Wherein, the sensor further includes multiple discharging tube monitoring sensors；
Ground is corresponded, the broadcast leakage monitoring unit is collected for receiving each discharging tube monitoring sensor
Signal, analyze to obtain the corresponding discharging tube state of each discharging tube monitoring sensor according to the signal received.
Wherein, the land wheel velocity sensor, the transmission input shaft speed probe, the output shaft of gear-box turn
Fast sensor, the seed agitator speed sensor, the plants case monitoring material position sensor and the feed shaft revolving speed pass
Sensor is used close to switch.
Wherein, the drill for sowing in lines lifting monitoring sensor uses obliquity sensor, and it is dilatory that the obliquity sensor is mounted on
Under machine on pull rod.
Wherein, the discharging tube monitoring sensor uses correlation photoelectric sensor, the correlation photoelectric sensor
Transmitting terminal and receiving end are respectively placed in the opposite two sides of discharging tube, and the transmitting terminal uses patch-type infrared LED, the receiving end
Using infrared silicon photocell group.
The embodiment of the present invention provides a kind of vegetable drill operation method for diagnosing faults, comprising: receives multiple sensor institutes
Collected signal is analyzed to obtain duty parameter according to the signal received；
Obtain discharging tube state；When having monitored discharging tube state to block or not sowing, broadcast leakage fault verification is provided
Instruction；
After receiving the broadcast leakage and determining instruction, according to the duty parameter and discharging tube state, analysis obtains broadcast leakage
Fault type, position and reason.
Wherein, described to receive the collected signal of multiple sensor institutes, it is analyzed to obtain operating condition ginseng according to the signal received
Number includes: that receive Running Speed of Tractor sensor, rear wheel rotation speed sensor, seed agitator speed sensor, gearbox defeated
Enter shaft speed transducer, output shaft of gear-box speed probe, drill for sowing in lines lifting monitoring sensor, plants case monitoring material position sensing
Device, the collected signal of land wheel velocity sensor and seeding shaft speed transducer institute, analyze according to the signal received and are wrapped
Include Running Speed of Tractor, rear wheel rotation speed, seed agitator speed, transmission input shaft revolving speed, output shaft of gear-box revolving speed, item
Broadcast machine jacking condition, plants case whether lack kind, wheel speed and feed shaft revolving speed duty parameter.
Wherein, the acquisition discharging tube state includes: to receive the collected signal of each discharging tube monitoring sensor institute, according to
The signal received is analyzed to obtain the corresponding discharging tube state of each discharging tube monitoring sensor.
Vegetable drill operation fault diagnosis system and method provided in an embodiment of the present invention are monitored single by duty parameter
Member receives the collected signals of multiple sensors institute, analyzes to obtain duty parameter according to the signal received, and by duty parameter
It is transferred to fault verification unit；Discharging tube state is obtained by broadcast leakage monitoring unit；When broadcast leakage monitoring unit has monitored seeding
When tubulose state is blocking or does not sow, the instruction of broadcast leakage fault verification is provided to fault verification unit；Fault verification unit is receiving
After determining instruction to broadcast leakage, according to duty parameter and discharging tube state, analysis obtains fault type, position and the reason of broadcast leakage.
Vegetable drill operation fault diagnosis system can be to the working condition real-time monitoring of each key position of drill for sowing in lines, can be timely
Monitor broadcast leakage as caused by various failures, and accurate judgement fault type, position and reason, so that operator of farm machinery is real-time
It fully understands that drill for sowing in lines job state can be saved troubleshooting time once there is broadcast leakage, improves seeding operation quality and work
Industry efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is first scheme of installation of vegetable drill operation fault diagnosis system of the present invention；
Fig. 2 is second scheme of installation of vegetable drill operation fault diagnosis system of the present invention
Fig. 3 is vegetable drill operation fault diagnosis system structure chart of the present invention；
Fig. 4 is vegetable drill operation fault diagnosis system broadcast leakage failure judgment method of the present invention and process.
Description of symbols:
1- tractor；2- Running Speed of Tractor sensor；3- transmission input shaft；4- transmission input shaft revolution speed sensing
Device；5- output shaft of gear-box；6- output shaft of gear-box speed probe；7- seed blender；8- seed agitator speed sensing
Device；9- feed shaft；10- seeding shaft speed transducer；11- the second land wheel velocity sensor；Land axle after 12- drill for sowing in lines；13- item
Broadcast land wheel after machine；14- gearbox；15- the first land wheel velocity sensor；Land axle before 16- drill for sowing in lines；Land wheel before 17- drill for sowing in lines；
18- drill for sowing in lines lifting monitoring sensor；19- tractor rear wheel；20- tractor rear wheel axis；21- rear wheel rotation speed sensor；22- vehicle
Mounted terminal；23- plants case monitoring material position sensor；24- plants case；25- discharging tube；26- discharging tube monitors sensor；27- drill for sowing in lines.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, for the working condition at each position of real-time monitoring, it more can comprehensively reflect drilling
Machine working condition, drill for sowing in lines 27 is by tractor 1 as drawing, and car-mounted terminal 22 is mounted in the driver's cabin of tractor 1, tractor
Road speed sensors 2 are mounted on the top center position of tractor 1, and rear wheel rotation speed sensor 21 is mounted on tractor rear wheel 19
Tractor rear wheel axis 20 near, drill for sowing in lines lifting monitoring sensor 18 be mounted under tractor on pull rod, feed shaft revolving speed pass
Sensor 10 is mounted on the feed shaft 9 of drill for sowing in lines 27, and plants case monitoring material position sensor 23 is mounted on the lower part of plants case 24, discharging tube
Monitoring sensor 26 is mounted on the middle part of discharging tube 25, and land wheel velocity sensor is mounted on drill for sowing in lines land wheel, gearbox input
Shaft speed transducer 4 is mounted near transmission input shaft 3, and it is attached that seed agitator speed sensor 8 is mounted on seed blender 7
Closely, output shaft of gear-box speed probe 6 is mounted near output shaft of gear-box 5.
In the present embodiment, land wheel velocity sensor includes land axle 16 before the drill for sowing in lines of land wheel 17 before being mounted on drill for sowing in lines
The second land wheel after the first neighbouring land wheel velocity sensor 15 and drill for sowing in lines after the drill for sowing in lines of land wheel 13 near land axle 12
Velocity sensor 11.Land wheel drives transmission input shaft 3 and seed blender 7 to rotate by driving chain, by gearbox 14
After conversion speed, output shaft of gear-box 5 is rotated, and then drives feed shaft 9 to rotate by driving chain.
Running Speed of Tractor sensor 2 is tested the speed using One-Point Location GPS, is used for real-time monitoring Running Speed of Tractor；
Rear wheel rotation speed sensor 21 uses Hall element, is used for real-time monitoring rear wheel rotation speed；First land wheel velocity sensor 15 and second
Land wheel velocity sensor 11 is switched using close, for real-time monitoring wheel speed；Transmission input shaft speed probe 4 uses
Close to switch, it to be used for real-time monitoring transmission input shaft revolving speed；Output shaft of gear-box speed probe 6 is used using close to switch
In real-time monitoring output shaft of gear-box revolving speed；Seed agitator speed sensor 8 is stirred using close to switch for real-time monitoring
Device revolving speed；Seeding shaft speed transducer 10 is used for real-time monitoring feed shaft revolving speed using close to switch；Drill for sowing in lines lifting monitoring passes
Sensor 18 uses obliquity sensor, and in drill for sowing in lines lifting process, lower pull rod oscilaltion therewith is real-time by obliquity sensor
The tilt angle of lower pull rod is obtained, and then obtains drill for sowing in lines jacking condition；Plants case monitoring material position sensor 23 is connect using condenser type
Nearly switch, when seed is abundant in plants case, seed covers capacitive approach switch, and when scarce kind of plants case, capacitive proximity is opened
No seed is shut, signal is caused to be numbered, to realize monitoring；Each discharging tube requires one discharging tube monitoring of installation and passes
Sensor 26, discharging tube monitor sensor 26 and use infrared electro correlation principle, and transmitting terminal and receiving end are placed in discharging tube
Two sides, transmitting terminal use infrared silicon photocell group using densely covered minitype paster infrared LED, receiving end, realize to granule vegetables
The detection of seed, when falling in discharging tube without seed, the received light intensity in receiving end is maximum, and output voltage is maximum；Work as seeding
In pipe when blocking, the received light intensity in receiving end is minimum, and output voltage is close to zero；When normal sowing, seed is regularly from row
It is fallen in kind pipe, the received light intensity in receiving end regularly changes, output voltage also rule variation therewith.
As shown in figure 3, car-mounted terminal 22 include duty parameter monitoring unit, broadcast leakage monitoring unit, fault verification unit and
Show alarm unit:
Duty parameter monitoring unit, for receiving Running Speed of Tractor sensor, rear wheel rotation speed sensor, seed stirring
Device speed probe, transmission input shaft speed probe, output shaft of gear-box speed probe, drill for sowing in lines lifting monitoring sensing
Device, plants case monitoring material position sensor, the collected signal of land wheel velocity sensor and seeding shaft speed transducer institute, according to reception
To signal analyze to obtain including Running Speed of Tractor, rear wheel rotation speed, seed agitator speed, transmission input shaft revolving speed,
Output shaft of gear-box revolving speed, drill for sowing in lines jacking condition, plants case whether lack kind, wheel speed and feed shaft revolving speed duty parameter,
And duty parameter is transferred to fault verification unit；
Broadcast leakage monitoring unit, for receiving the collected signal of each discharging tube monitoring sensor institute, according to the letter received
Number analysis obtains the corresponding discharging tube state of each discharging tube monitoring sensor, and gives above-mentioned state transfer to fault verification unit；
When having monitored discharging tube state to block or not sowing, the instruction of broadcast leakage fault verification is provided to fault verification unit；
Fault verification unit is joined after determining instruction in the broadcast leakage for receiving the transmission of broadcast leakage monitoring unit according to operating condition
Several and discharging tube state, analysis obtain fault type, position and the reason of broadcast leakage.
As shown in figure 3, car-mounted terminal 22 further includes display alarm unit；Alarm unit is shown, for showing duty parameter
With discharging tube state, according to the judgement of fault verification unit as a result, output fault verification unit determines fault type, position and original
Cause carries out warning note.
As shown in figure 3, car-mounted terminal 22 further includes CAN bus data communication units, central processing unit and push-button unit；
Central processing unit includes duty parameter monitoring unit and broadcast leakage monitoring unit, and CAN bus data communication units are responsible for vehicle-mounted end
Communication between end and each sensor, including receiving the data of each sensor and sending message to each sensor.Each sensor
The data sent after the reception of CAN bus data communication units, then handle to obtain tractor traveling speed through central processing unit
Degree, rear wheel rotation speed, wheel speed, transmission input shaft revolving speed, seed agitator speed, output shaft of gear-box revolving speed, feed shaft
On the one hand the parameters such as revolving speed, drill for sowing in lines jacking condition, plants case material position situation, each discharging tube state, these parameters are alarmed by display
Unit is shown, is on the one hand sent into fault verification unit and is carried out fault diagnosis.
The state of discharging tube 25, which is divided into, normally sows, does not sow, blocking three kinds, and discharging tube is not sowed is with blocked state
Broadcast leakage.Fault verification unit is diagnosed to be type, position and the reason of operation failure according to the above parameter, and through central processing unit
Afterwards, it passes to display alarm unit to show, and warning note user checks failure, parking checking debugging.User can lead to
Push-button unit operation car-mounted terminal 22 is crossed check data, configuration parameter and close alarm etc..
Vegetable drill operation fault diagnosis system provided in an embodiment of the present invention is received by car-mounted terminal and processing is dragged
Machine drawing road speed sensors, rear wheel rotation speed sensor, land wheel velocity sensor, drill for sowing in lines lifting monitoring sensor, plants case material
Position monitoring sensor, seeding shaft speed transducer, discharging tube monitoring sensor, seed agitator speed sensor, gearbox are defeated
Enter shaft speed transducer and the collected signal of output shaft of gear-box speed probe, it can be to each key position of drill for sowing in lines
Working condition real-time monitoring, can timely and accurately monitor the broadcast leakage as caused by various failures, and accurate judgement failure classes
Type, position and reason, once there is broadcast leakage, can save failure so that operator of farm machinery fully understands drill for sowing in lines job state in real time
The time is excluded, seeding operation quality and operating efficiency are improved.
Vegetable drill operation fault diagnosis system method provided in an embodiment of the present invention includes:
The collected signal of multiple sensor institutes is received by duty parameter monitoring unit, is analyzed according to the signal received
Duty parameter is obtained, and duty parameter is transferred to fault verification unit；
Discharging tube state is obtained by broadcast leakage monitoring unit；When broadcast leakage monitoring unit has monitored discharging tube state for blocking
Or when not sowing, the instruction of broadcast leakage fault verification is provided to fault verification unit；
Fault verification unit is after receiving broadcast leakage and determining instruction, and according to duty parameter and discharging tube state, analysis is obtained
Fault type, position and the reason of broadcast leakage.
In a specific embodiment, the collected signal of multiple sensor institutes is received, is analyzed according to the signal received
Obtaining duty parameter includes: to receive Running Speed of Tractor sensor, rear wheel rotation speed sensor, seed agitator speed sensing
Device, transmission input shaft speed probe, output shaft of gear-box speed probe, drill for sowing in lines lifting monitoring sensor, plants case material
Position monitoring sensor, the collected signal of land wheel velocity sensor and seeding shaft speed transducer institute, according to the signal received
Analysis obtains including that Running Speed of Tractor, rear wheel rotation speed, seed agitator speed, transmission input shaft revolving speed, gearbox are defeated
Shaft revolving speed, drill for sowing in lines jacking condition, plants case whether lack kind, wheel speed and feed shaft revolving speed duty parameter.
In a specific embodiment, obtaining discharging tube state includes: to receive each discharging tube monitoring sensor to be collected
Signal, analyze to obtain the corresponding discharging tube state of each discharging tube monitoring sensor according to the signal received.
Vegetable drill operation fault diagnosis system provided in an embodiment of the present invention carries out broadcast leakage failure by the following method
Determine and warning note, detailed process be as shown in Figure 4:
S1 monitors broadcast leakage, is determined when broadcast leakage state is seeding blockage according to step S2, works as broadcast leakage
State is that discharging tube is determined when not sowing according to step S3；
S2, broadcast leakage state are some seeding blockage, and judgement fault type is under the discharging tube for blocking, abort situation
Portion, failure cause are seeding blockage, are transferred to step S9；
S3, broadcast leakage state are that discharging tube is not sowed, and judge whether scarce kind of plants case, determine that fault type is not if scarce kind
It sows, abort situation is plants case, and failure cause is scarce kind of plants case, is transferred to step S9；Step S4 is transferred to if not scarce kind；
S4, judge land wheel whether normal rotation, fault type is determined if abnormal for drive failures, abort situation is
Land wheel, failure cause are land wheel skidding or chain-loose or the fracture of front and back land wheel, are transferred to step S9；Step is transferred to if normal
Rapid S5；
S5, judges whether transmission input shaft revolving speed matches with ground wheel speed, diagnoses fault type if mismatching and is
Drive failures, abort situation be gearbox input, failure cause be ground take turns to gearbox driving chain fracture or loosening, be transferred to
Step S9；Step S6 is transferred to if matching；
S6, judges whether seed agitator speed matches with ground wheel speed, diagnoses fault type if mismatching to pass
Dynamic failure, abort situation are blender, and failure cause is the driving chain fracture or loosening that ground takes turns to blender, are transferred to step
S9；Step S7 is transferred to if matching；
S7, judges whether output shaft of gear-box revolving speed matches with transmission input shaft revolving speed, and event is diagnosed if mismatching
Barrier type is drive failures, and abort situation is gearbox, and failure cause is the parameter of gearbox than adjusting incorrect or gearbox
It is bad, it is transferred to step S9；Step S8 is transferred to if matching；
S8, judges whether feed shaft revolving speed matches with output shaft of gear-box revolving speed, diagnoses fault type if mismatching
For drive failures, abort situation is feed shaft, and failure cause is that speed change is output to the driving chain fracture of feed shaft or loosens, and is turned
Enter step S9；If it does, then troubleshooting type is feed mechanism for seed failure, abort situation is feed mechanism for seed, and failure cause is seeding
Device is blocked or cannot normally be sowed, and is transferred to step S9；
S9 judges whether to be in job state, if state normally if carry out broadcast leakage warning note and show fault type,
Position and reason；Broadcast leakage alarm is closed if non-operation.
In a specific embodiment, judge whether that being in job state includes: in step S9
S91, judges whether Running Speed of Tractor matches with rear wheel rotation speed, and it is not that type is diagnosed fault if mismatching
Operation, abort situation are tractor, and failure cause is that rear wheels slip or GPS positioning are drifted about；Step S92 is transferred to if matching；
S92, judges whether drill for sowing in lines puts down, and determines that fault type is non-operation if not putting down, abort situation is
Drill for sowing in lines, failure cause are that drill for sowing in lines is not put down.
In a specific embodiment, judge whether normal rotation includes: according to Running Speed of Tractor and rear-wheel to land wheel
Revolving speed obtains the land wheel range of speeds, if ground wheel speed is located in the above-mentioned land wheel range of speeds, land wheel is normal rotation.
Vegetable drill operation method for diagnosing faults provided in an embodiment of the present invention can be to each key position of drill for sowing in lines
Working condition real-time monitoring, can timely and accurately monitor the broadcast leakage as caused by various failures, and accurate judgement failure classes
Type, position and reason, once there is broadcast leakage, can save failure so that operator of farm machinery fully understands drill for sowing in lines job state in real time
The time is excluded, seeding operation quality and operating efficiency are improved.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of vegetable drill operation fault diagnosis system characterized by comprising car-mounted terminal and multiple sensors, institute
Stating car-mounted terminal includes duty parameter monitoring unit, broadcast leakage monitoring unit and fault verification unit；
The duty parameter monitoring unit, for receiving the collected signal of multiple sensor institutes, according to the letter received
Number analysis obtains duty parameter, and the duty parameter is transferred to the fault verification unit；
The broadcast leakage monitoring unit gives the fault verification unit for obtaining discharging tube state, and by above-mentioned state transfer；When
When having monitored discharging tube state to block or not sowing, Xiang Suoshu fault verification unit provides the instruction of broadcast leakage fault verification；
The fault verification unit, after determining instruction in the broadcast leakage for receiving the broadcast leakage monitoring unit transmission, according to institute
Duty parameter and discharging tube state are stated, analysis obtains fault type, position and the reason of broadcast leakage.
2. vegetable drill operation fault diagnosis system according to claim 1, which is characterized in that the car-mounted terminal is also
Including showing alarm unit；
The display alarm unit, for showing the duty parameter and discharging tube state, according to the fault verification unit
Determine as a result, output fault verification unit determines fault type, position and reason, progress warning note.
3. vegetable drill operation fault diagnosis system according to claim 1, which is characterized in that the sensor includes
Running Speed of Tractor sensor, rear wheel rotation speed sensor, land wheel velocity sensor, drill for sowing in lines lifting monitoring sensor, plants case
Monitoring material position sensor, seeding shaft speed transducer, seed agitator speed sensor, transmission input shaft speed probe with
And output shaft of gear-box speed probe；
Correspond ground, the duty parameter monitoring unit, for receive the Running Speed of Tractor sensor, it is described after
Wheel speed sensor, the seed agitator speed sensor, the transmission input shaft speed probe, the gearbox are defeated
Shaft speed transducer, drill for sowing in lines lifting monitoring sensor, the plants case monitoring material position sensor, described ground wheel speed pass out
The collected signal of sensor and seeding shaft speed transducer institute, analyzes to obtain including tractor row according to the signal received
Sail speed, rear wheel rotation speed, seed agitator speed, transmission input shaft revolving speed, output shaft of gear-box revolving speed, drill for sowing in lines lifting shape
State, plants case whether lack kind, wheel speed and feed shaft revolving speed duty parameter.
4. vegetable drill operation fault diagnosis system according to claim 3, which is characterized in that the sensor also wraps
Include multiple discharging tube monitoring sensors；
Correspond ground, the broadcast leakage monitoring unit, for receiving the collected letter of each discharging tube monitoring sensor institute
Number, it is analyzed to obtain the corresponding discharging tube state of each discharging tube monitoring sensor according to the signal received.
5. vegetable drill operation fault diagnosis system according to claim 3, which is characterized in that described ground wheel speed passes
Sensor, the transmission input shaft speed probe, the output shaft of gear-box speed probe, the seed agitator speed
Sensor, the plants case monitoring material position sensor and the seeding shaft speed transducer are used close to switch.
6. vegetable drill operation fault diagnosis system according to claim 3, which is characterized in that the drill for sowing in lines lifting
It monitors sensor and uses obliquity sensor, the obliquity sensor is mounted under tractor on pull rod.
7. vegetable drill operation fault diagnosis system according to claim 4, which is characterized in that the discharging tube monitoring
Sensor uses correlation photoelectric sensor, and the transmitting terminal of the correlation photoelectric sensor and receiving end are respectively placed in discharging tube
Opposite two sides, the transmitting terminal use patch-type infrared LED, and the receiving end uses infrared silicon photocell group.
8. a kind of vegetable drill operation method for diagnosing faults characterized by comprising
The collected signal of multiple sensor institutes is received, analyzes to obtain duty parameter according to the signal received；
Obtain discharging tube state；When having monitored discharging tube state to block or not sowing, the instruction of broadcast leakage fault verification is provided；
After receiving the broadcast leakage and determining instruction, according to the duty parameter and discharging tube state, analysis obtains the event of broadcast leakage
Hinder type, position and reason.
9. vegetable drill operation method for diagnosing faults according to claim 8, which is characterized in that described to receive multiple biographies
The collected signal of sensor institute is analyzed to obtain duty parameter to include: to receive Running Speed of Tractor to pass according to the signal received
Sensor, rear wheel rotation speed sensor, seed agitator speed sensor, transmission input shaft speed probe, output shaft of gear-box
Speed probe, drill for sowing in lines lifting monitoring sensor, plants case monitoring material position sensor, land wheel velocity sensor and feed shaft revolving speed
The collected signal of sensor institute, analyzes to obtain including Running Speed of Tractor, rear wheel rotation speed, seed according to the signal received
Whether scarce kind of agitator speed, transmission input shaft revolving speed, output shaft of gear-box revolving speed, drill for sowing in lines jacking condition, plants case, land wheel
The duty parameter of revolving speed and feed shaft revolving speed.
10. vegetable drill operation method for diagnosing faults according to claim 8, which is characterized in that the acquisition seeding
Tubulose state includes: to receive the collected signal of each discharging tube monitoring sensor institute, is analyzed to obtain each institute according to the signal received
State the corresponding discharging tube state of discharging tube monitoring sensor.
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| CN201910074670.0A CN109673217A (en) | 2019-01-25 | 2019-01-25 | Vegetable drill operation fault diagnosis system and method |
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