CN204314651U - Based on five-element's cotton picker working state monitoring system of CAN - Google Patents
Based on five-element's cotton picker working state monitoring system of CAN Download PDFInfo
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- CN204314651U CN204314651U CN201420612086.9U CN201420612086U CN204314651U CN 204314651 U CN204314651 U CN 204314651U CN 201420612086 U CN201420612086 U CN 201420612086U CN 204314651 U CN204314651 U CN 204314651U
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Abstract
The utility model relates to a kind of five-element's cotton picker working state monitoring system based on CAN, and it comprises hyperchannel rotating speed acquisition module, multi-way switching values monitoring modular, embedded controller and monitor four major part composition.Hyperchannel rotating speed acquisition module and multi-way switching values monitoring modular inside all have CAN interface, and embedded controller has CAN interface and SPI interface, and monitor has SPI interface.Hyperchannel rotating speed acquisition module is connected with the CAN interface of embedded controller respectively by respective CAN interface with multi-way switching values monitoring modular, and monitor is connected with the SPI interface of embedded controller module by SPI interface.The utility model when cotton picker works, can realize the functions such as machine operation parameter is visual, malfunction sound and light alarm, ensures the reliability of cotton picker at operation field, thus makes the running status of cotton picker more directly perceived, and function is abundanter.
Description
Technical field
The utility model relates to a kind of cotton picker parameter detecting and condition monitoring system, and especially a kind of five-element's cotton picker working state monitoring system based on CAN, belongs to cotton picker running parameter visualization technique field.
Background technology
Nowadays, cotton picker is that large-scale cotton field must obligato cotton picking harvest machinery, can significantly improve cotton picking speed, reduces labour cost.But nowadays common cotton picker is mostly handled by artificial experience, lack and effectively and comprehensively detect the device with display to state of runtime machine and running parameter, this is unfavorable for that staff grasps the running status of cotton picker comprehensively.
As everyone knows, compared with general communication bus, the data communication of CAN has outstanding reliability, real-time and dirigibility.Nowadays, also very deficient based on grinding of the cotton picker parameter detecting of CAN and condition monitoring system, this carries out the heavy mechanical equipment of reliable operation for a long time for this need of cotton picker, once break down, can cause great loss.Therefore, study the parameter detecting technology such as cotton picker rotation speed of fan, water route pressure, the speed of travel, picker cylinder axle rotating speed based on CAN, study the key position working state monitoring technology such as suction door, clutch coupling based on CAN, develop the multichannel parameter detecting based on embedded system and state monitoring apparatus, realizing the functions such as machine operation parameter is visual, malfunction sound and light alarm, having great importance for realizing safe, stable, the long-time non-fault operation of cotton picker.
Summary of the invention
The object of the invention is to overcome common cotton picker mostly handled by artificial experience, be unfavorable for that staff grasps the defect of this function of running status of cotton picker comprehensively.There is provided a kind of visual and be conducive to ensureing the five-element's cotton picker working state monitoring system based on CAN of cotton picker job stabilization.
The concrete solution of the utility model is as follows:
Based on five-element's cotton picker working state monitoring system of CAN, primarily of hyperchannel rotating speed acquisition module, multi-way switching values monitoring modular, embedded controller and monitor four major part composition.Hyperchannel rotating speed acquisition module and multi-way switching values monitoring modular inside all have CAN interface, and embedded controller has CAN interface and SPI interface, and monitor has SPI interface.Hyperchannel rotating speed acquisition module is connected with the CAN interface of embedded controller respectively by respective CAN interface with multi-way switching values monitoring modular, and monitor is connected with the SPI interface of embedded controller module by SPI interface.Hyperchannel rotating speed acquisition module is used for gathering the heat transfer agents such as the speed of travel, rotation speed of fan, drum rotation speed, water route pressure; Multi-way switching values monitoring modular is used for monitoring suction door, clutch coupling, unloading the switching signal status informations such as cotton, air filter, meta, neutral gear, parking; Embedded controller completes the functions such as data processing, data preservation and state parameter display together with monitor.As shown in Figure 1.
Hyperchannel rotating speed acquisition module comprises the conditioning of a microprocessor, 4 road simulated measurement input circuits, the step-by-step counting input circuit of 4 road Phototube Coupling, 4 road isolated form digital quantity output circuits, 4 road isolated form digital input circuits, RS232 serial line interface, standard CAN field-bus interface and power supply and protection circuit; The power pins of microprocessor connects power supply conditioning and protection circuit, and I/O mouth connects 4 road simulated measurement input circuits, the step-by-step counting input circuit of 4 road Phototube Coupling, 4 road isolated form digital quantity output circuits and 4 road isolated form digital input circuits respectively.
Multi-way switching values monitoring modular (4) comprises that a microprocessor (4-1) connects 4 road simulated measurement input circuits (4-6), 16 road Phototube Coupling compare type switching value input circuit (4-5), 4 roads isolated form digital quantity output circuit (4-7), RS232 serial line interface (4-4), standard CAN field-bus interface (4-3) and power supply conditioning and protection circuit (4-2).Framework as shown in Figure 3.
Utility model works principle is: during cotton picker operation, by sensors such as the speed of travel, rotation speed of fan, drum rotation speed, water route pressure, detect machine operational factor, the wherein speed of travel, rotation speed of fan, and the pulse number that drum rotation speed is sent by calculating sensor obtains, hydraulic parameters is by analog to digital conversion, adopts microprocessor to gather.During cotton picker operation, by suction door, clutch coupling, unload multiple switching signal Sensor monitoring state of runtime machine such as cotton, air filter, meta, neutral gear, parking, utilize level comparison circuit LM339 to compare.When a certain signal voltage lower than or higher than setting fiducial value time, microprocessor can by CAN by signal transmission to embedded controller, and then realize on a monitor state display and sound and light alarm.
The utility model compared with prior art, there is following apparent substantive distinguishing features and advantage: the utility model is a kind of five-element's cotton picker parameter detecting based on CAN and condition monitoring system, can when cotton picker works, realize the functions such as machine operation parameter is visual, malfunction sound and light alarm, ensure the reliability of cotton picker at operation field, thus making the running status of cotton picker more directly perceived, function is abundanter.
Accompanying drawing explanation
Fig. 1 is that this practical new argument detects the composition diagram with condition monitoring system.
Fig. 2 is the utility model hyperchannel rotating speed acquisition module structured flowchart.
Fig. 3 is the utility model multi-way switching values monitoring modular structured flowchart.
Fig. 4 is the conditioning of the utility model hyperchannel rotating speed acquisition module power supply and protection circuit.
Fig. 5 is the utility model hyperchannel rotating speed acquisition module 4 road simulated measurement input circuit.
Fig. 6 is the step-by-step counting input circuit of the utility model hyperchannel rotating speed acquisition module 4 road Phototube Coupling.
Fig. 7 is the utility model hyperchannel rotating speed acquisition module 4 road isolated form digital quantity output circuit.
Fig. 8 is the utility model hyperchannel rotating speed acquisition module 4 road isolated form digital input circuit.
Fig. 9 is the conditioning of the utility model multi-way switching values monitoring modular power supply and protection circuit.
Figure 10 is that the utility model multi-way switching values monitoring modular 16 road Phototube Coupling compares type switching value input circuit.
Figure 11 is the utility model multi-way switching values monitoring modular 4 road simulated measurement input circuit.
Figure 12 is the utility model multi-way switching values monitoring modular 4 road isolated form digital quantity output circuit.
Figure 13 is utility model works process flow diagram.
Embodiment
Below in conjunction with accompanying drawing 1-4, preferred enforcement of the present invention is described in further detail:
Embodiment one:
See Fig. 1, this, based on five-element's cotton picker working state monitoring system of CAN, comprises the large ingredient of hyperchannel rotating speed acquisition module (3), multi-way switching values monitoring modular (4), embedded controller (2) and monitor (1) four.
Hyperchannel rotating speed acquisition module (3) and multi-way switching values monitoring modular (4) process each transducing signal collected, and form CAN communication network by CAN and embedded controller (2).Embedded controller (2) adopts spi bus to communicate with monitor (1).
Embodiment two:
The present embodiment is substantially identical with embodiment one, and special feature is as follows:
See Fig. 2 and Fig. 3, described hyperchannel rotating speed acquisition module (3) comprises a microprocessor (3-1), 4 road simulated measurement input circuits (3-5), the step-by-step counting input circuit (3-6) of 4 road Phototube Coupling, 4 roads isolated form digital quantity output circuit (3-7), 4 roads isolated form digital input circuit (3-8), RS232 serial line interface (3-4), standard CAN field-bus interface (3-3) and power supply conditioning and protection circuit (3-2); The power pins of microprocessor (3-1) connects power supply conditioning and protection circuit (3-2), and I/O mouth connects 4 road simulated measurement input circuits (3-5), the step-by-step counting input circuit (3-6) of 4 road Phototube Coupling, 4 roads isolated form digital quantity output circuit (3-7) and 4 roads isolated form digital input circuit (3-8) respectively.Described multi-way switching values monitoring modular (4) comprises that a microprocessor (4-1) connects 4 road simulated measurement input circuits (4-6), 16 road Phototube Coupling compare type switching value input circuit (4-5), 4 roads isolated form digital quantity output circuit (4-7), RS232 serial line interface (4-4), standard CAN field-bus interface (4-3) and power supply conditioning and protection circuit (4-2).
Embodiment three:
See Fig. 1, during cotton picker operation, by sensors such as the speed of travel (5), rotation speed of fan (6), drum rotation speed (7), water route pressure (8), detect machine operational factor, the wherein speed of travel (5), rotation speed of fan (6), and the pulse number that drum rotation speed (7) is sent by calculating sensor obtains, hydraulic parameters is by analog to digital conversion, adopts microprocessor (3-1) to gather.Hyperchannel rotating speed acquisition module (3) processes transducing signals such as the speed of travel collected (5), rotation speed of fan (6), drum rotation speed (7), water route pressure (8), and the data after process are passed to embedded controller (2) by CAN.During cotton picker operation, by suction door (9), clutch coupling (10), unload multiple switching signal Sensor monitoring state of runtime machine such as cotton, air filter, meta (11), neutral gear, parking, utilize level comparison circuit LM339 to compare, produce switching signal.Multi-way switching values monitoring modular (4) to the suction door (9) collected, clutch coupling (10), unload multiple switching signals such as cotton, air filter, meta (11), neutral gear, parking and process, and the data after process are passed to embedded controller (2) by CAN.Embedded controller (2) has CAN interface and SPI interface, and monitor (1) has SPI interface.After embedded controller (2) receives the data of hyperchannel rotating speed acquisition module (3) and multi-way switching values monitoring modular (4), data are processed further, data after process are passed to monitor (1) by spi bus, realizes the function such as parameter display and sound and light alarm.
Each circuit is shown in Fig. 4-Figure 12.
Fig. 4 illustrates power supply conditioning and protection circuit (3-2): power supply signal POWER+ and POWER-introduces 2,4 pin two ends of rectifier bridge (12) respectively; 1 pin connecting resistance (15) of described rectifier bridge (12) and one end of electric capacity (16,17); ground connection simultaneously; the other end of 3 pin connecting resistances (15), electric capacity (16,17), connects one end of diode (13), electric capacity (14) simultaneously.The other end ground connection of described diode (13), electric capacity (14).24V voltage signal connects 3 pins of rectifier bridge (12).1 pin of voltage conversion chip (18) is connected with 3 pins of rectifier bridge (12), 3,5 pin ground connection, 2 pins connect one end of diode (20) and inductance (19), and 4 pins connect the other end of inductance (19), are connected respectively with one end of electric capacity (21,22,23) simultaneously.The other end ground connection of described diode (20), electric capacity (21,22,23).1 pin ground connection of voltage conversion chip (24), 3 pins connect 4 pins of voltage conversion chip (18), and 2,4 pins connect one end of electric capacity (25,26) simultaneously.The other end ground connection of electric capacity (25,26).2 pins of described voltage conversion chip (18) export 5V voltage after inductance (19), and 2 pins of described voltage conversion chip (24) export 3.3V voltage.
Fig. 5 illustrates 4 road simulated measurement input circuit (3-5) roads wherein: sensor signal Sensor+ enters 7 pins of relay (30).Over-current signal OverCurrent is through resistance (27) one end of connecting resistance (28) and 2 pins of triode (29) respectively.The other end of resistance (28) and the equal ground connection of 1 pin of triode (29).8 pins of 3 pin contact relay (30) of described triode (29).2 pin ground connection of relay (30), 1,8 pins connect the two ends of diode (31) respectively, one end of 3 pins difference connecting resistance (32) and electric capacity (34), ground connection simultaneously, the other end of 6 pin connecting resistances (32), and connect the other end of electric capacity (34) and 3 pins of amplifier (37) through resistance (33).4 pin ground connection of described amplifier (37), one end of the equal connecting resistance of 8 pin (36) and electric capacity (35), connects 5V voltage simultaneously, and 2 pins export AD signal after connecing 1 pin.The equal ground connection of the other end of described resistance (36) and electric capacity (35).
Fig. 6 illustrates step-by-step counting input circuit (3-6) road wherein of 4 road Phototube Coupling: pulse signal FDS is connected with one end of resistance (39) and 3 pins of triode (40) through resistance (38), 1 pin of another termination triode (40) of resistance (39), simultaneously ground connection.2 pins of triode (40) connect 5V voltage.3 pins of one termination triode (40) of resistance (41), one end of another termination capacitor (42) and the inverting input of amplifier (43), the other end ground connection of electric capacity (42).The normal phase input end of amplifier (43) connects reference voltage Vref, and it exports 2 pins of termination photoisolator (45).1 pin of described photoisolator (45) connects 5V voltage through resistance (44), 3 pin ground connection, and 4 pins connect 3.3V voltage through resistance (46), and 4 pins export pulse counting signal FDS_PC simultaneously.
Fig. 7 illustrates that 4 road wherein, road isolated form digital quantity output circuit (3-7): digital signal Signal introduce one end of resistance (47) and 2 pins of photoisolator (49), another termination 3.3V voltage of resistance (47).1 pin of described photoisolator (49) connects 3.3V voltage through resistance (48), and 4 pins connect 5V voltage, one end of 3 pin connecting resistances (50,51).The other end ground connection of resistance (50).1 pin of another termination triode (55) of described resistance (51) and one end of electric capacity (52), the other end ground connection of electric capacity (52).3 pin ground connection of described triode (55), 2 pins connect 5V voltage through diode (53).4 pins of relay (54) connect 2 pins of triode (55), and 5 pins connect 5V voltage, and 1,3 pins are digital output signal En_2, En_1 respectively.
Fig. 8 illustrates 4 roads wherein, road isolated form digital input circuit (3-8): external digital signal Signal_1 introduces one end of resistance (56) and 2 pins of photoisolator (58), another termination 5V voltage of resistance (56).1 pin of described photoisolator (58) connects 5V voltage through resistance (57), and 4 pins connect 3.3V voltage, and 3 pins are through resistance (59) ground connection, and 3 pins produce digital signal Signal_1 simultaneously.
Fig. 9 illustrates power supply conditioning and protection circuit (4-2): power supply signal POWER+ and POWER-introduces 2,4 pin two ends of rectifier bridge (60) respectively; 1 pin connecting resistance (63) of described rectifier bridge (60) and one end of electric capacity (64,65); ground connection simultaneously; the other end of 3 pin connecting resistances (63), electric capacity (64,65), connects one end of diode (61), electric capacity (62) simultaneously.The other end ground connection of described diode (61), electric capacity (62).24V voltage signal connects 3 pins of rectifier bridge (60).3 pins of voltage conversion chip (66) are connected with 1 pin of rectifier bridge (60), 3,5 pin ground connection, 2 pins connect one end of diode (68) and inductance (67), and 4 pins connect the other end of inductance (67), are connected respectively with one end of electric capacity (69,70,71) simultaneously.The other end ground connection of described diode (68), electric capacity (69,70,71).1 pin ground connection of voltage conversion chip (72), 3 pins connect 4 pins of voltage conversion chip (66), and 2,4 pins connect one end of electric capacity (73,74) simultaneously.The other end ground connection of electric capacity (73,74).2 pins of described voltage conversion chip (66) export 5V voltage after inductance (67), and 2 pins of described voltage conversion chip (72) export 3.3V voltage.
Figure 10 illustrates that 16 road Phototube Coupling compare type switching value input circuit (4-5) road wherein: external signal XR_CH1 introduces the normal phase input end of comparer (77).The normal phase input end of one termination comparer (77) of resistance (75), another termination 5V voltage.The normal phase input end of one termination comparer (77) of electric capacity (76), other end ground connection.The anti-phase input termination reference voltage Vref 1 of described comparer (77), exports 2 pins of termination photoisolator (79).1 pin of photoisolator (79) connects 5V voltage through resistance (78), and 4 pins connect 3.3V voltage, and 3 pins are through resistance (80) ground connection, and 3 pins output signal XRM_CH1 simultaneously.
Figure 11 illustrates 4 road simulated measurement input circuit (4-6) roads wherein: sensor signal Sensor2+ enters 7 pins of relay (85).Over-current signal OverCurrent2 is through resistance (81) one end of connecting resistance (82) and 2 pins of triode (83) respectively.The other end of resistance (82) and the equal ground connection of 1 pin of triode (83).8 pins of 3 pin contact relay (85) of described triode (83).2 pin ground connection of relay (85), 1,8 pins connect the two ends of diode (84) respectively, one end of 3 pins difference connecting resistance (86) and electric capacity (88), ground connection simultaneously, the other end of 6 pin connecting resistances (86), and connect the other end of electric capacity (88) and the normal phase input end of amplifier (89) through resistance (87).The inverting input of described amplifier (89) is connected with output terminal, output terminal outputting analog signal AD1.
Figure 12 illustrates that 4 road wherein, road isolated form digital quantity output circuit (4-7): digital signal Signal2 introduce one end of resistance (90) and 2 pins of photoisolator (92), another termination 3.3V voltage of resistance (90).1 pin of described photoisolator (92) connects 3.3V voltage through resistance (91), and 4 pins connect 5V voltage, one end of 3 pin connecting resistances (93,94).The other end ground connection of resistance (94).1 pin of another termination triode (96) of described resistance (93) and one end of electric capacity (95), the other end ground connection of electric capacity (95).3 pin ground connection of described triode (96), 2 pins connect 5V voltage through diode (97).4 pins of relay (98) connect 2 pins of triode (96), and 5 pins connect 5V voltage, and 1,3 pins are digital output signal En_4, En_3 respectively.
Figure 13 illustrates the workflow of cotton picker parameter detecting based on CAN and condition monitoring system.During system cloud gray model, first by various kinds of sensors to the speed of travel, rotation speed of fan, drum rotation speed, water route pressure, suck door, clutch coupling, unload the parameters such as cotton, air filter, meta, neutral gear, parking and carry out signals collecting, the signal collected is through signal condition, after being processed by hyperchannel rotating speed acquisition module and multi-way switching values monitoring modular again, be uploaded to embedded controller by CAN.Signal, after processing further, is uploaded to monitor, realizes state display and sound and light alarm.
Claims (3)
1., based on five-element's cotton picker working state monitoring system of CAN, comprise the large ingredient of hyperchannel rotating speed acquisition module (3), multi-way switching values monitoring modular (4), embedded controller (2) and monitor (1) four; It is characterized in that: described hyperchannel rotating speed acquisition module (3) and multi-way switching values monitoring modular (4) inside all have CAN interface, and embedded controller (2) has CAN interface and SPI interface, and monitor (1) has SPI interface; Hyperchannel rotating speed acquisition module (3) is connected respectively by the CAN interface of respective CAN interface with embedded controller (2) with multi-way switching values monitoring modular (4), and monitor (1) is connected by the SPI interface of SPI interface with embedded controller (2).
2. the five-element's cotton picker working state monitoring system based on CAN according to claim 1, is characterized by: hyperchannel rotating speed acquisition module (3) comprises a microprocessor (3-1), 4 road simulated measurement input circuits (3-5), the step-by-step counting input circuit (3-6) of 4 road Phototube Coupling, 4 roads isolated form digital quantity output circuit (3-7), 4 roads isolated form digital input circuit (3-8), RS232 serial line interface (3-4), standard CAN field-bus interface (3-3) and power supply conditioning and protection circuit (3-2); The power pins of microprocessor (3-1) connects power supply conditioning and protection circuit (3-2), and I/O mouth connects 4 road simulated measurement input circuits (3-5), the step-by-step counting input circuit (3-6) of 4 road Phototube Coupling, 4 roads isolated form digital quantity output circuit (3-7) and 4 roads isolated form digital input circuit (3-8) respectively.
3. the five-element's cotton picker working state monitoring system based on CAN according to claim 1, is characterized by: multi-way switching values monitoring modular (4) comprises that a microprocessor (4-1) connects 4 road simulated measurement input circuits (4-6), 16 road Phototube Coupling compare type switching value input circuit (4-5), 4 roads isolated form digital quantity output circuit (4-7), RS232 serial line interface (4-4), standard CAN field-bus interface (4-3) and power supply conditioning and protection circuit (4-2).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652751A (en) * | 2016-03-12 | 2016-06-08 | 上海大学 | Cotton model on-line forming and controlling system based on FPGA technology and control method thereof |
| CN105652750A (en) * | 2016-03-12 | 2016-06-08 | 上海大学 | Cotton picking cluster remote condition monitoring system based on GSM/GPRS/GPS network |
| CN106568471A (en) * | 2015-10-12 | 2017-04-19 | 易宝股份有限公司 | Sensor source and signal adjusting interface for machine state monitoring system |
| CN108255148A (en) * | 2017-12-05 | 2018-07-06 | 上海大学 | A kind of cotton picker intelligent monitor system based on touch display |
-
2014
- 2014-10-22 CN CN201420612086.9U patent/CN204314651U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568471A (en) * | 2015-10-12 | 2017-04-19 | 易宝股份有限公司 | Sensor source and signal adjusting interface for machine state monitoring system |
| CN106568471B (en) * | 2015-10-12 | 2020-06-16 | 易宝股份有限公司 | Sensor power supply and signal adjusting interface of machine state monitoring system |
| CN105652751A (en) * | 2016-03-12 | 2016-06-08 | 上海大学 | Cotton model on-line forming and controlling system based on FPGA technology and control method thereof |
| CN105652750A (en) * | 2016-03-12 | 2016-06-08 | 上海大学 | Cotton picking cluster remote condition monitoring system based on GSM/GPRS/GPS network |
| CN108255148A (en) * | 2017-12-05 | 2018-07-06 | 上海大学 | A kind of cotton picker intelligent monitor system based on touch display |
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Inventor after: Zou Zhaoguang Inventor after: Miao Zhonghua Inventor after: Li Chuang Inventor after: Hu Xiaodong Inventor after: Liu Chengliang Inventor after: Liu Jinlei Inventor before: Li Chuang Inventor before: Zhou Zhaoguang Inventor before: Hu Xiaodong Inventor before: Miao Zhonghua Inventor before: Liu Chengliang Inventor before: Liu Jinlei |
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