CN202600423U - Real-time monitoring system for working condition of seeder - Google Patents
Real-time monitoring system for working condition of seeder Download PDFInfo
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- CN202600423U CN202600423U CN 201220209349 CN201220209349U CN202600423U CN 202600423 U CN202600423 U CN 202600423U CN 201220209349 CN201220209349 CN 201220209349 CN 201220209349 U CN201220209349 U CN 201220209349U CN 202600423 U CN202600423 U CN 202600423U
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Abstract
The utility model relates to a real-time monitoring system for a working condition of a seeder. The real-time monitoring system comprises a power supply, a main control system with a microprocessor as a core, an alarming system, a difference global positioning system, a sowing leakage real-time monitoring system arranged on a sowing single body, and a DC speed regulation motor and a velometer that are disposed on the sowing single body. The main control system is arranged in a cab of a tractor, and is respectively in electrical connection with three monitoring sensors of the sowing leakage real-time monitoring system, the DC speed regulation motor, the difference global positioning system, the velometer and the alarming system through shielding leads. The system of the utility model is capable of monitoring the current working condition of the seeder in a real-time manner, accurately determining fault types and sowing leakage positions of the seeder, and controlling and adjusting sowing operation in an intelligent manner.
Description
Technical field
The utility model belongs to agricultural mechanical field, relates in particular to a kind of system that the duty of seeder is monitored in real time.
Technical background
Because the farmland operation circumstance complication, can there be situations such as broadcast leakage, discharging tube obstruction in existing precision drill when farm work.Broadcast leakage, discharging tube stop up and plant case and lack after kind of the situation appearance, if discovery in time can make the seeding operation zone produce " disconnected bar " phenomenon.The generation that broadcast leakage, discharging tube stopped up and planted situations such as the scarce kind of case can have a strong impact on seeding quality, and influences the operating efficiency of precision drill.
The real-time monitoring of precision drill duty can make the seeding operation personnel in time understand the seeder operating speed on the one hand; Can in time feed back broadcast leakage, discharging tube obstruction and kind case on the other hand and lack unexpected situations such as kind, can effectively improve operation quality and operating efficiency.Therefore, the real-time monitoring of precision drill duty is to implement one of key link of precision agriculture operation, can reliable guidance be provided for the enforcement of precision agriculture.
At present, though the seeder monitoring technology differs from one another both at home and abroad, its monitoring situation is mainly seeder broadcast leakage, replay, does not have realization to stop up and plant case to plough and lacks the monitoring function of planting.
The utility model content
To the defective that prior art exists, the utility model aims to provide a kind of seeder working state real-time monitoring system that can monitor and can carry out seeder intelligent control to the duty of seeder in real time.
The seeder working state real-time monitoring system of the utility model, it comprises power supply, with the microprocessor be core master control system, warning system, DGPS, be installed in broadcast leakage real-time monitoring system on the planter, be installed in dc speed-regulating motor, velometer on the planter; Said master control system internal memory contains the corresponding numbering of planter; Said broadcast leakage real-time monitoring system comprises three monitoring sensors, promptly is used to monitor in the planter kind case kind case monitoring sensor that whether lacks kind, is used to monitor and whether has the seeding monitoring sensor that seed falls through the planter discharging tube and be used to monitor the plough monitoring sensor whether the planter plough stops up; Plant case monitoring sensor, seeding monitoring sensor and plough monitoring sensor and be capacitive proximity sensor, and all be electrically connected with master control system through shielded conductor; Said power supply is tractor+12V direct supply.
Plant the case monitoring sensor and be fixed on 1-2cm place, distance kind case bottom through deck, the seeding monitoring sensor is fixed on middle and upper part, the discharging tube outside through deck, and the plough monitoring sensor is fixed on plough top through deck.
Described DGPS comprises base station and rover station, and rover station is fixed on the tractor cab top.
Said velometer is mounted in the speed pickup on the tractor wheels or is installed in the DGPS velometer in the pilothouse.
Said kind of case monitoring sensor, seeding monitoring sensor and plough monitoring sensor are TAB-30D30N1-D3 type capacitive proximity sensor.
Said seeding monitoring sensor is fixed on 5-10cm place, discharging tube outer lateral extent discharging tube upper end, and said plough monitoring sensor is through being fixed on apart from 5-10cm place, plough upper end.
The advantage of utility model is: can be according to the output real time monitoring signals seeder current working state of capacitive proximity sensor; Can distinguish the fault type and the broadcast leakage position of accurate judgement seeder, reseed in the operation in the later stage, can be according to the broadcast leakage zone position information of being preserved, realize accurate location to the broadcast leakage regional location, reseed with the later stage in time fixing a breakdown and facilitate; Through real-time monitoring and control to dc speed-regulating motor, not only guaranteed the even of sowing, can also carry out intelligentized control and adjustment to sowing.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the structured flowchart of the seeder working state real-time monitoring system of the utility model;
Fig. 2 is the seeder synoptic diagram with three planters;
Fig. 3 is the front elevation of a planter of the utility model;
The travel track synoptic diagram of the forward that Fig. 4 and Fig. 5 are respectively planter during with reverse operation.
Embodiment
In order more comprehensively to understand the utility model, will combine accompanying drawing that further explanation and explanation are done by the system of the utility model below.
As shown in Figure 1; The seeder working state real-time monitoring system of the utility model, it comprises power supply, with the microprocessor be core master control system, be installed in broadcast leakage real-time monitoring system on the planter, be installed in dc speed-regulating motor, velometer, DGPS and warning system on the planter.Said power supply is tractor+12V direct supply, and being responsible for master control system, broadcast leakage real-time monitoring system, dc speed-regulating motor, velometer and warning system provides+the 12V direct supply.
At least 1 planter seeder in the embodiment of the utility model generally is installed on the seeder three planters (as shown in Figure 2) are installed, three planters are respectively planter 1, planter 2 and planter 3.
Like Fig. 3, planter 1,2 and 3 has kind of case 4, feed mechanism for seed 5 and plough 6.Feed mechanism for seed 5 has seed wheel and discharging tube 53, and seed wheel is installed in the inside of kind of case 4, and discharging tube 53 is installed in the below of kind of case 4.Said dc speed-regulating motor 7 is used to seed wheel provides power; Dc speed-regulating motor 7 power pass to seed wheel through feed shaft 54; Thereby drive the seed wheel rotation; And then seed is got in the discharging tube 53, in addition, dc speed-regulating motor 7 also is electrically connected with master control system through shielded conductor.Utilize dc speed-regulating motor 7 that power is provided; Dynamical stability also is easy to control, compares with utilizing traditional land wheel transferring power of leaning on, and it does not receive the influence of surface irregularity; Thereby can guarantee even sowing, and avoid the broadcast leakage that freely do not cause because of transmission of power that surface irregularity causes.
As shown in Figure 3; The broadcast leakage real-time monitoring system comprises and is used to monitor in kind of the case 4 the kind case monitoring sensor 41 that whether lacks kind, is used for monitoring and whether has the seeding monitoring sensor 51 that seed (like corn) falls through discharging tube 5 and be used to monitor the plough monitoring sensor 61 whether plough 6 stops up; Above-mentioned three sensors 41,51 and 61 are capacitive proximity sensor (being preferably TAB-30D30N1-D3 type capacitive proximity sensor); And above-mentioned three sensors 41,51 and 61 all are electrically connected with master control system through shielded conductor, thereby master control system can receive and monitor the variation of above-mentioned three sensor outputs level signals in real time.The environment stalk of seeder work, dust are many, and the sensor of other type not only makes broadcast leakage monitoring system cost very high, and complex structure; Its monitoring accuracy is difficult to guarantee when in rugged surroundings, using; The utility model adopts capacitive proximity sensor, and it is simple in structure, and monitoring sensitivity is high, performance is good; When rugged surroundings operations such as farmland, the reliability and the monitoring that can keep higher are accurate.Kind case monitoring sensor 41 is fixed on the bottom of the kind case 4 of planter through deck; Preferred immobilization is planted the 1-2cm place, bottom of case 4 in distance; Seed in kind of the case did not have kind of case monitoring sensor 21 or when concordant with it, planted the high level that case monitoring sensor 1 is output as 12V; When the seed in kind of the case is lower than kind of case monitoring sensor 41, plant the low level that case monitoring sensor 41 is output as 0V, master control system is thought kind of case monitoring sensor 1 output abnormal signal.Whether master control system passes through the height that case monitoring sensor 41 output levels are planted in monitoring in real time, can judge to lack in kind of the case and plant, and judges whether cause broadcast leakage because of lacking to plant thus.Seeding monitoring sensor 51 is fixed on the middle and upper part in discharging tube 5 outsides of planter through deck; Preferred distance discharging tube upper end 5-10cm; When seeds fall is passed through the monitoring surface of seeding monitoring sensor 51, the high level of seeding monitoring sensor 51 output 12V; When no seeds fall, the low level of seeding monitoring sensor 51 output 0V, master control system is through the variation of real-time seeding monitoring sensor 51 output levels, and promptly whether decidable has seeds fall, confirms the fall time interval of adjacent two seeds thus.According to the operation situation; Can set seeder through master control system before the operation advances when carrying out seeding operation with normal speed and is spaced apart T the normal time of two seeds fall; The normal time interval T and the particle diameter of seed and required spacing have direct relation; T can be between 0.2s-0.5s generally speaking, preferred T=0.3s for the picture corn seed, when master control system monitor adjacent two seeds fall interval greater than 5T the time; Then can think feed mechanism for seed and/or discharging tube to break down and cause the broadcast leakage situation to take place, and think seeding monitoring sensor 51 output abnormal signals.Plough monitoring sensor 6 is fixed on plough 61 tops of planter; Preferred distance plough upper end 5-10cm; Under, the plough 6 unplugged situation in proper working order when seeder, the output level of plough monitoring sensor 61 clocklike changes between the low high level of 0-12V; When seed-furrow opener 6 stopped up, plough monitoring sensor 61 was output as the high level of 12V, and master control system confirms whether plough 6 stops up and cause broadcast leakage and think the output abnormal signal of plough monitoring sensor 61.
Said velometer is used for measuring in real time the gait of march of seeder; This velometer can be mounted in the speed pickup (the preferred passive noncontact Hall element formula sensor of this sensor) on the tractor wheels; Or being installed in the GPS velometer in the pilothouse, velometer passes to master control system in real time with the seeder gait of march that records.Master control system requires the rotating speed of real-time regulated dc speed-regulating motor 7 so that regulate the rotational speed of seed wheel according to the gait of march of seeder with sowing grain distance, and then makes the sowing grain apart from the influence that does not receive the seeder gait of march, the intellectuality control of realization sowing.Simultaneously, the speed that master control system also can be advanced according to seeder or the rotating speed of dc speed-regulating motor automatically adjacent two seeds fall of adjustment normal time interval T size, gait of march increases then that T reduces, vice versa, guarantees the coordination of gait of march and T.So just can guarantee that under the situation of tractor velocity variations equal spacing is even relatively, simultaneously also alleviate the pressure that the driver holds speed.
Described DGPS is a prior art, and it comprises base station and rover station.Base station can be placed on apart from operation plot 10km with interior optional position and between operational period the position keep immobilizing, before operation, can earlier base station be placed on the position of choosing, rover station is fixed on the tractor cab top.DGPS can be confirmed the position of tractor in real time, and this position is passed to master control system through rover station, master control system just can be confirmed planter according to the position and the planter of rover station with respect to the distance of rover station exact position.
Master control system is installed in the pilothouse of tractor; Its through shielded conductor respectively with each planter 1,2 and 3 on kind case monitoring sensor 41, seeding monitoring sensor 51 and plough monitoring sensor 61 and dc speed-regulating motor 7 be electrically connected; Also be electrically connected with velometer simultaneously, master control system also is electrically connected with DGPS and warning system through shielded conductor.Since each planter with respect to the position of DGPS rover station be confirm and before operation, be stored in the master control system; Thereby master control system just can accurately calculate the real-time exact position of each planter according to the positional information of DGPS rover station.
When master control system during according to three monitoring sensors 41,51 of the broadcast leakage real-time monitoring system on the planter and 61 signal determining generation broadcast leakages; Master control system will write down time (also being the unusual time of sensor output signal) that broadcast leakage takes place, broadcast leakage monomer numbering, broadcast leakage type the position that (plant case lack kind of a broadcast leakage, the broadcast leakage of discharging tube fault, plough stop up broadcast leakage), broadcast leakage take place (row of broadcast leakage number and apart from the fore-and-aft distance of basic point); And to warning system transmission alerting signal; Thereby the control warning system is carried out sound and light alarm; Cause operating personnel's attention; The operating personnel can shut down maintenance quickly according to the information that master control system shows, the while operating personnel can also carry out the later stage easily according to broadcast leakage position (like broadcast leakage position 10 among Fig. 5) information of master control system record and reseed operation.
Below in conjunction with accompanying drawing the broadcast leakage method for real-time monitoring of the utility model is done explanation further.
The method that a kind of seeder broadcast leakage real-time monitoring system that utilizes the utility model is monitored in real time comprises the steps:
S1: the operation basic point O in selected operation plot, O is an initial point with this basic point, in master control system, sets up two-dimensional coordinate system; Longitudinal axis y is the long direction of extending in ridge, and the direction of transverse axis x be perpendicular to the long direction in ridge, and sign has and goes number; As the 1st, 2,3 ... N is capable, shown in Figure 4 and 5;
S2: the base station of DGPS is placed on apart from operation plot 10km with interior a certain position and remain unchanged; And utilize DGPS to confirm the longitude and latitude of basic point O, and the latitude and longitude information of basic point O is passed to master control system store;
S3: according to grain apart from the seeder gait of march that requires and be scheduled to, rotating speed and adjacent two seeds of in master control system, setting dc speed-regulating motor through the discharging tube whereabouts normal time interval T size;
Seeder is at first along the direction operation of y axle during operation in beginning, and oppositely operation (like Fig. 5) after arriving the edge of a field, opposite is so back and forth until the end of job;
In the entire job process, the latitude and longitude information that master control system provides according to DGPS is confirmed the real-time latitude and longitude information of planter and in said coordinate system, is drawn planter travel track figure; Along with the carrying out of seeding operation, master control system can be in said trajectory diagram on the direction of x axle sequence list up number 1,2,3 ... N, shown in Fig. 4 is the synoptic diagram of trajectory diagram during along the operation of y direction of principal axis, in real trace figure, does not have planter; Shown in Fig. 5 be, the synoptic diagram when arriving the reverse operation in the edge of a field, when planter arrived the x axle, master control system is up number (as 4,5,6) of table in trajectory diagram immediately;
Master control system is adjusted the size of the rotating speed and the T of dc speed-regulating motor automatically according to the actual seeder gait of march that records of velometer;
The monitoring information that master control system is provided according to kind case monitoring sensor, seeding monitoring sensor and plough monitoring sensor on the planter judges whether broadcast leakage takes place; When being output as the 0V level, kind case monitoring sensor representes that kind of case lacks kind and causes broadcast leakage; Adjacent two seeds through discharging tube fall interval greater than 5T the time represent discharging tube and/or feed mechanism for seed fault and cause broadcast leakage, represent when the plough monitoring sensor is output as the 12V level that plough stops up and causes broadcast leakage;
When broadcast leakage takes place; Master control system is when the instruction warning system is carried out sound and light alarm; Master control system is according to the numbering of the sensor place planter that broadcast leakage information is provided and the installation site on planter; Confirm and broadcast leakage takes place for broadcast leakage takes place in storage planter numbering and broadcast leakage type (plant case lack kind of a broadcast leakage, the broadcast leakage of discharging tube fault and plough stop up in the broadcast leakage one or more), storage time, and on planter travel track figure, identify the position of broadcast leakage in the operation plot.Engage below and attach Figure 4 and 5 said method is further specified (the supposition seeder is advanced with fixed speed all the time, thereby the rotating speed of dc speed-regulating motor and T's is big or small constant).
Like Figure 4 and 5; The numbering of three planters is respectively 1,2,3; Master control system at first stores the positional information of each planter with respect to rover station before the operation, when knowing the position of rover station, just can determine the exact position of each planter like this according to the direction of operation, for example the output abnormal signal of the plough monitoring sensor 61 on the planter 1 (level of output is 12V); Master control system instruction warning system is reported to the police; Confirm this plough monitoring sensor 61 pairing planter numberings (planter 1) simultaneously, owing to be the abnormal signal of plough monitoring sensor 61, master control system will be judged the plough obstruction and cause lacking kind of a broadcast leakage; Like this; Master control system will be stored the unusual and plough of upper seeding wheel monomer 1 and plough monitoring sensor 61 and stop up the information that lack kind of broadcast leakage, and the time of records abnormal and the set out position (like Fig. 5, broadcast leakage position 10) of living broadcast leakage of sign on trajectory diagram.According to institute's master control system canned data; The operating personnel on the one hand can quick shutdown inspection and maintenance (being the mediation plough among this embodiment); Can also behind seeding operation, reseed the broadcast leakage position timely on the other hand, avoid the frequent parking in the seeding operation process, if the words that reversing is reseeded with seeder broadcast leakage point after taking place to report to the police; Can cause the secondary sowing in not broadcast leakage zone, not only waste seed but also unnecessary operation is carried out in the arable land caused undue disturbance soil.For convenience's sake, the coordinate unit of every bit on the y axle is converted into m on the master control system meeting trajectory diagram.
Present patent application describes through specific embodiment, under the situation that does not break away from the present patent application scope, can also carry out various conversion and be equal to alternative present patent application.In addition, to particular condition or concrete condition, can make various modifications and distortion to present patent application, these modifications and distortion all do not break away from the scope of present patent application.Therefore, present patent application is not limited to disclosed specific embodiment, and should comprise the whole embodiments that fall in the present patent application claim scope.
Claims (6)
1. seeder working state real-time monitoring system; It comprises power supply, is master control system, the warning system of core with the microprocessor, it is characterized in that: also comprise DGPS, be installed in broadcast leakage real-time monitoring system on the planter, be installed in dc speed-regulating motor, velometer on the planter; Said master control system internal memory contains the corresponding numbering of planter; Said broadcast leakage real-time monitoring system comprises three monitoring sensors, promptly is used to monitor in the planter kind case kind case monitoring sensor that whether lacks kind, is used to monitor and whether has the seeding monitoring sensor that seed falls through the planter discharging tube and be used to monitor the plough monitoring sensor whether the planter plough stops up; Plant case monitoring sensor, seeding monitoring sensor and plough monitoring sensor and be capacitive proximity sensor, and all be electrically connected with master control system through shielded conductor; Said power supply is tractor+12V direct supply.
2. seeder working state real-time monitoring as claimed in claim 1 system; It is characterized in that: plant the case monitoring sensor and be fixed on 1-2cm place, distance kind case bottom through deck; The seeding monitoring sensor is fixed on middle and upper part, the discharging tube outside through deck, and the plough monitoring sensor is fixed on plough top through deck.
3. seeder working state real-time monitoring as claimed in claim 1 system, it is characterized in that: described DGPS comprises base station and rover station, rover station is fixed on the tractor cab top.
4. seeder working state real-time monitoring as claimed in claim 1 system is characterized in that: said velometer is mounted in the speed pickup on the tractor wheels or is installed in the DGPS velometer in the pilothouse.
5. seeder working state real-time monitoring as claimed in claim 1 system, it is characterized in that: said kind of case monitoring sensor, seeding monitoring sensor and plough monitoring sensor are TAB-30D30N1-D3 type capacitive proximity sensor.
6. seeder working state real-time monitoring as claimed in claim 2 system; It is characterized in that: said seeding monitoring sensor is fixed on 5-10cm place, discharging tube outer lateral extent discharging tube upper end, and said plough monitoring sensor is fixed on apart from 5-10cm place, plough upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209349 CN202600423U (en) | 2012-05-11 | 2012-05-11 | Real-time monitoring system for working condition of seeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209349 CN202600423U (en) | 2012-05-11 | 2012-05-11 | Real-time monitoring system for working condition of seeder |
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| CN202600423U true CN202600423U (en) | 2012-12-12 |
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| CN 201220209349 Expired - Fee Related CN202600423U (en) | 2012-05-11 | 2012-05-11 | Real-time monitoring system for working condition of seeder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293973A (en) * | 2013-05-14 | 2013-09-11 | 太仓市项氏农机有限公司 | Fertilizing and seeding controller |
| CN105723840A (en) * | 2016-03-12 | 2016-07-06 | 申忠领 | Intelligent seeder capable achieving controllable seed discharging |
-
2012
- 2012-05-11 CN CN 201220209349 patent/CN202600423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293973A (en) * | 2013-05-14 | 2013-09-11 | 太仓市项氏农机有限公司 | Fertilizing and seeding controller |
| CN105723840A (en) * | 2016-03-12 | 2016-07-06 | 申忠领 | Intelligent seeder capable achieving controllable seed discharging |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20130511 |