CN207319055U - Combine harvester fault diagnosis system based on CAN bus - Google Patents
Combine harvester fault diagnosis system based on CAN bus Download PDFInfo
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- CN207319055U CN207319055U CN201721245251.1U CN201721245251U CN207319055U CN 207319055 U CN207319055 U CN 207319055U CN 201721245251 U CN201721245251 U CN 201721245251U CN 207319055 U CN207319055 U CN 207319055U
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Abstract
The utility model discloses a kind of combine harvester fault diagnosis system based on CAN bus, it is desirable to provide the high combine harvester fault diagnosis system based on CAN bus of a kind of detection efficiency height, strong antijamming capability, accuracy of detection.Including CAN bus, main control computer.Engine speed sensor, rotating speed sensor for gearbox, ceding of Taiwan input speed sensor, the data acquisition and transmission device input terminal is connected the output terminal of conveying auger speed probe with one respectively, elevator speed probe, temperature sensor, oil pressure sensor, the output terminal of supply voltage sensor are connected with another data acquisition and transmission device input terminal respectively, and the output terminal of two data acquisition and transmission devices is connected with CAN bus input interface respectively.The utility model is suitable for effective monitoring and the fault diagnosis of combine harvester working status.
Description
Technical field
A kind of fault diagnosis system is the utility model is related to, more particularly, to a kind of combine harvester based on CAN bus
Fault diagnosis system.
Background technology
The fault diagnosis system of the existing grain combine in China, used scheme are, in some crucial operating portions
Sensor is set on part, and then the signal collection sensor measurement is handled, obtained data centralized displaying.Due to farm work
The influence of bad environments, interference source complexity to monitoring signals, presence signal, which is nursed one's health, data acquisition and communication integrated level is low asks
Topic, makes cropper working status effectively to monitor and fault diagnosis.
The content of the invention
The purpose of this utility model is to be directed to the existing above problem, there is provided a kind of detection efficiency height, strong antijamming capability,
The high combine harvester fault diagnosis system based on CAN bus of accuracy of detection.
To achieve the above object, the utility model uses following technical proposals：The connection based on CAN bus of the utility model
Close harvester fault diagnosis system, including CAN bus, main control computer, the CAN bus output port and main control computer input port phase
Even, engine speed sensor, rotating speed sensor for gearbox, ceding of Taiwan input speed sensor, conveying auger rotating speed is further included to pass
Sensor, elevator speed probe, temperature sensor, oil pressure sensor, supply voltage sensor, two data acquisition transmission dresses
Put, engine speed sensor is used to measure engine output speed, and rotating speed sensor for gearbox is used to measure ceding of Taiwan transmission case
The speed of mainshaft, ceding of Taiwan input speed sensor are used to measure ceding of Taiwan input shaft rotating speed, and conveying auger speed probe is used to measure
Conveying auger rotating speed, elevator speed probe are used to measure elevator rotating speed, and temperature sensor is used to measure ceding of Taiwan biography
Dynamic box temperature degree, oil pressure sensor are used to measure hydraulic system pressure, and supply voltage sensor is used to measure electric system power supply electricity
Pressure, data acquisition and transmission device are used to receive measuring signal, signal data are nursed one's health and signal data is transferred to CAN bus,
Wherein, engine speed sensor, rotating speed sensor for gearbox, ceding of Taiwan input speed sensor, conveying auger turn
The data acquisition and transmission device input terminal is connected the output terminal of fast sensor with one respectively,
Elevator speed probe, temperature sensor, oil pressure sensor, supply voltage sensor output terminal respectively with separately
One data acquisition and transmission device input terminal is connected,
The output terminal of two data acquisition and transmission devices is connected with CAN bus input interface respectively.
As the preferred solution of the utility model, the main control computer includes Mishap Database and car-mounted terminal, the vehicle-mounted end
End is equipped with display screen, alarm lamp, buzzer.
After adopting the above technical scheme, the combine harvester fault diagnosis system provided by the utility model based on CAN bus
System has an advantageous effect in that：
The engine speed sensor of the utility model, rotating speed sensor for gearbox, ceding of Taiwan input speed sensor, conveying
The data acquisition and transmission device input terminal is connected the output terminal of auger speed probe with one respectively；Elevator revolution speed sensing
Device, temperature sensor, oil pressure sensor, supply voltage sensor output terminal respectively with another data acquisition and transmission device
Input terminal is connected；The output terminal of two data acquisition and transmission devices is connected with CAN bus input interface respectively.Work as monitoring data
During higher or lower than safety value, data acquisition and transmission device sends alarm signal by the telecommunication circuit of CAN bus to main control computer,
So as to effectively forecast the fault message that may be sent.Overcome that operating environment is severe, the complicated shadow to monitoring signals of interference source
Ring, and solve the problems, such as that signal condition, data acquisition and communication integrated level are low, so as to improve detection efficiency, protect
Accuracy of detection is demonstrate,proved.The CAN bus technology of use, effectively reduces the length and complexity of wiring, improves information gathering
Antijamming capability and reliability.Signal condition and collection are highly integrated, realize the automation of signal detection and parameter detecting with
Intelligence, improves detection efficiency and precision, ensure that the real-time of state-detection.So it is high, anti-dry to have obtained detection efficiency
Disturb the effect that ability is strong, accuracy of detection is high.
Brief description of the drawings
Fig. 1 is the functional-block diagram of combine harvester fault diagnosis system of the utility model based on CAN bus；
Fig. 2 is the data acquisition and transmission device main program flow chart of the utility model；
Fig. 3 is the Timer Program flow chart of the utility model；
Fig. 4 is the CAN bus service routine flow chart of the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
As shown in Figure 1, give the principle side of combine harvester fault diagnosis system of the utility model based on CAN bus
Block diagram, including CAN bus, main control computer, the CAN bus output port are connected with main control computer input port, it is characterised in that：Also wrap
Include engine speed sensor, rotating speed sensor for gearbox, ceding of Taiwan input speed sensor, conveying auger speed probe, liter
Device speed probe, temperature sensor, oil pressure sensor, supply voltage sensor, two data acquisition and transmission devices are transported, are started
Machine speed probe is used to measure engine output speed, and rotating speed sensor for gearbox is used to measure ceding of Taiwan transmission case main shaft turn
Speed, ceding of Taiwan input speed sensor are used to measure ceding of Taiwan input shaft rotating speed, and conveying auger speed probe is used to measure conveying strand
Imperial rotating speed, elevator speed probe are used to measure elevator rotating speed, and temperature sensor is used to measure ceding of Taiwan transmission box temperature
Degree, oil pressure sensor are used to measure hydraulic system pressure, and supply voltage sensor is used to measure electric system supply voltage, data
Collecting transmitter is used to receive measuring signal, signal data is nursed one's health and signal data is transferred to CAN bus.Wherein, send out
Motivation speed probe, rotating speed sensor for gearbox, ceding of Taiwan input speed sensor, the output terminal of conveying auger speed probe
The data acquisition and transmission device input terminal is connected with one respectively；Elevator speed probe, temperature sensor, oil pressure sensing
Device, the output terminal of supply voltage sensor are connected with another data acquisition and transmission device input terminal respectively；Two data
The output terminal of collecting transmitter is connected with CAN bus input interface respectively.
As the preferred embodiment of the utility model, as shown in Figure 1, the main control computer includes Mishap Database and vehicle-mounted end
End, the car-mounted terminal are equipped with display screen, alarm lamp, buzzer.
In Fig. 2, Fig. 3, Fig. 4, data acquisition and transmission device main program flow chart, Timer Program flow sets forth
Figure, CAN bus service routine flow chart.The engine speed sensor of fault diagnosis system, rotating speed sensor for gearbox, the ceding of Taiwan
Input speed sensor, conveying auger speed probe, elevator speed probe, temperature sensor, oil pressure sensor, power supply
Voltage sensor difference on-line measurement engine output speed, the ceding of Taiwan transmission case speed of mainshaft, ceding of Taiwan input shaft rotating speed, conveying twist
Imperial rotating speed, elevator rotating speed, ceding of Taiwan transmission case temperature, hydraulic system pressure, electric system supply voltage signal data, so
The signal data of monitoring is conveyed to two data acquisition and transmission devices respectively afterwards, two data acquisition and transmission devices are pressed in Fig. 2
Shown main program flow works, and receives measuring signal, signal data is nursed one's health and signal data is transferred to CAN bus.
At this moment timer is opened by the work of program circuit shown in Fig. 3, is started CAN bus and is pressed service routine flow work shown in Fig. 4,
The telecommunication circuit of CAN bus sends monitoring signals to main control computer.When monitoring data are higher or lower than safety value, data acquisition passes
Defeated device sends alarm signal by the telecommunication circuit of CAN bus to main control computer, so that the failure letter that effectively forecast may be sent
Breath.The Mishap Database of main control computer stores data, and data message is shown by the display screen of main control computer, during failure
Alarm lamp is bright, the alarm of buzzer song.
The utility model uses CAN bus technology, effectively reduces the length and complexity of wiring, improves information gathering
Antijamming capability and reliability.Signal condition is highly integrated with gathering, and realizes the automation of signal detection and parameter detecting
With intelligence, detection efficiency and precision are improved, ensure that the real-time of state-detection.Overcome that operating environment is severe, interference
The influence to monitoring signals of source complexity, and solve the problems, such as that signal condition, data acquisition and communication integrated level are low,
So as to improve detection efficiency, accuracy of detection ensure that.Have the characteristics that fault diagnosis is accurate, strong antijamming capability.
The utility model is suitable for effective monitoring and the fault diagnosis of combine harvester working status.
Claims (2)
1. a kind of combine harvester fault diagnosis system based on CAN bus, including CAN bus, main control computer, the CAN bus are defeated
Exit port is connected with main control computer input port, it is characterised in that：Further include engine speed sensor, gearbox revolution speed sensing
Device, ceding of Taiwan input speed sensor, conveying auger speed probe, elevator speed probe, temperature sensor, oil pressure sensing
Device, supply voltage sensor, two data acquisition and transmission devices, engine speed sensor are used to measure engine output turn
Speed, rotating speed sensor for gearbox are used to measure the ceding of Taiwan transmission case speed of mainshaft, and ceding of Taiwan input speed sensor is used to measure the ceding of Taiwan
Input shaft rotating speed, conveying auger speed probe are used to measure conveying auger rotating speed, and elevator speed probe is used to measure
Elevator rotating speed, temperature sensor are used to measure ceding of Taiwan transmission case temperature, and oil pressure sensor is used to measure hydraulic system pressure,
Supply voltage sensor is used to measure electric system supply voltage, and data acquisition and transmission device is used to receiving measuring signal, to letter
Number is nursed one's health and signal data is transferred to CAN bus,
Wherein, engine speed sensor, rotating speed sensor for gearbox, ceding of Taiwan input speed sensor, conveying auger rotating speed pass
The data acquisition and transmission device input terminal is connected the output terminal of sensor with one respectively,
Elevator speed probe, temperature sensor, oil pressure sensor, supply voltage sensor output terminal respectively with another
The data acquisition and transmission device input terminal is connected,
The output terminal of two data acquisition and transmission devices is connected with CAN bus input interface respectively.
2. the combine harvester fault diagnosis system according to claim 1 based on CAN bus, it is characterised in that：It is described
Main control computer includes Mishap Database and car-mounted terminal, which is equipped with display screen, alarm lamp, buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245251.1U CN207319055U (en) | 2017-09-27 | 2017-09-27 | Combine harvester fault diagnosis system based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245251.1U CN207319055U (en) | 2017-09-27 | 2017-09-27 | Combine harvester fault diagnosis system based on CAN bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207319055U true CN207319055U (en) | 2018-05-04 |
Family
ID=62384356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721245251.1U Expired - Fee Related CN207319055U (en) | 2017-09-27 | 2017-09-27 | Combine harvester fault diagnosis system based on CAN bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207319055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110622692A (en) * | 2019-09-09 | 2019-12-31 | 广西大学 | Intelligent identification method and system for running state of sugarcane combine harvester |
| CN111310830A (en) * | 2020-02-17 | 2020-06-19 | 湖北工业大学 | Combine harvester blocking fault diagnosis system and method |
-
2017
- 2017-09-27 CN CN201721245251.1U patent/CN207319055U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110622692A (en) * | 2019-09-09 | 2019-12-31 | 广西大学 | Intelligent identification method and system for running state of sugarcane combine harvester |
| CN111310830A (en) * | 2020-02-17 | 2020-06-19 | 湖北工业大学 | Combine harvester blocking fault diagnosis system and method |
| CN111310830B (en) * | 2020-02-17 | 2023-10-10 | 湖北工业大学 | Blocking fault diagnosis system and method for combine harvester |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20190927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |