CN204360213U - A kind of agricultural machine engine radio diagnostic device and system - Google Patents

Abstract

The utility model discloses a kind of agricultural machine engine radio diagnostic device and system, relate to wireless communication technology, the agricultural machine engine radio diagnostic device that the utility model embodiment provides can be detected in real time by the setting item of detection module to agricultural machine engine, again by detecting data by wireless network transmissions to diagnostic clients end, by diagnostic clients end, analyzing and processing is carried out to data, thus realize the state of monitoring agricultural machine engine in real time, improve maintenance efficiency.

Description

A wireless diagnostic device and system for agricultural machinery engines

technical field

The utility model relates to wireless communication technology, in particular to a wireless diagnosis device and system for agricultural machinery engines.

Background technique

At present, domestic tractor engines are mainly maintained regularly through the formulation of maintenance plans, such as changing oil and cooling water according to mileage or service life, and inspecting, adjusting, tightening, replacing, and cleaning agricultural machinery engine assemblies.

However, it is difficult to find faults in time for maintenance by this method, and it is impossible to record the data change rules during the tractor's working process, especially when the tractor is under heavy load during the busy farming season, which brings difficulties to its fault prediction, prevention, diagnosis and elimination.

Utility model content

The embodiment of the utility model provides a wireless diagnostic device and system for an agricultural machinery engine, thereby realizing real-time monitoring of the state of the agricultural machinery engine and improving maintenance efficiency.

A wireless diagnostic device for agricultural machinery engines, the device is set on the agricultural machinery engines, including:

The detection module is used to detect the setting items of the agricultural machinery engine and generate data;

The terminal node is used to transmit the data to the diagnosis client through the wireless network.

Wherein, the setting items are specifically one or a combination of the following:

hydraulics pressure;

coolant temperature;

oil quantity;

Oil supply pressure.

Further, the detection module specifically includes: a sensor for setting items, a signal amplifier and an analog-to-digital converter.

Preferably, the terminal node uses an FFD full-function device or an RFD reduced-function device.

Further, the wireless network is a wireless network based on the Zigbee Zigbee protocol.

A wireless diagnostic system for agricultural machinery engines, comprising:

At least one wireless diagnostic device for the agricultural machinery engine is set on the agricultural machinery engine, used to detect the set items of the agricultural machinery engine and generate data, and send the data through the wireless network;

The diagnosis client is used for receiving the data through the wireless network and processing it.

Further, the wireless diagnostic device for agricultural machinery engines specifically includes:

The detection module is used to detect the setting items of the agricultural machinery engine and generate data;

a terminal node, configured to send the data via a wireless network;

The diagnostic client specifically includes:

a coordinator, configured to receive and forward the data through a wireless network;

The client is used to receive and process the data forwarded by the coordinator.

Wherein, the setting items are specifically one or a combination of the following:

hydraulics pressure;

coolant temperature;

oil quantity;

Oil supply pressure.

Furthermore, the detection module specifically includes: a sensor for setting items, a signal amplifier and an analog-to-digital converter.

Preferably, the terminal node uses FFD full-function equipment or uses RFD simple-function equipment;

The coordinator uses FFD.

The embodiment of the utility model provides a wireless diagnostic device and system for agricultural machinery engines, which detects the setting items of the agricultural machinery engines in real time through the detection module, and then transmits the detection data to the diagnostic client through the wireless network, and the diagnostic client performs data analysis. Analyze and process, so as to realize real-time monitoring of the status of agricultural machinery engines and improve maintenance efficiency.

Description of drawings

Fig. 1 is a schematic structural diagram of a wireless diagnostic device for agricultural machinery engines provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a wireless diagnostic system for agricultural machinery engines provided by an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a more specific wireless diagnosis system for agricultural machinery engines provided by the embodiment of the present invention.

Detailed ways

The embodiment of the utility model provides a wireless diagnostic device and system for agricultural machinery engines, which detects the setting items of the agricultural machinery engines in real time through the detection module, and then transmits the detection data to the diagnostic client through the wireless network, and the diagnostic client performs data analysis. Analyze and process, so as to realize real-time monitoring of the status of agricultural machinery engines and improve maintenance efficiency.

As shown in Figure 1, the wireless diagnostic device for the agricultural machinery engine provided by the embodiment of the present invention is arranged on the agricultural machinery engine, including:

The detection module 101 is used to detect the setting items of the agricultural machinery engine and generate data;

The terminal node 102 is configured to transmit data to a diagnosis client through a wireless network.

The detection module 101 detects the setting items of the agricultural machinery engine, and then the terminal node 102 transmits the data to the diagnosis client through the wireless network, so that the diagnosis client can obtain the setting items of the agricultural machinery engine in real time and realize real-time monitoring The status of agricultural machinery engines improves maintenance efficiency.

Among them, the setting items can be specifically one or a combination of the following:

hydraulics pressure;

coolant temperature;

oil quantity;

Oil supply pressure.

Of course, those skilled in the art can set other setting items according to actual conditions and needs.

Correspondingly, the detection module 101 can also set corresponding sensors or combinations to set the detection of the set items, namely, the engine oil pressure sensor, the coolant temperature sensor, the oil quantity sensor, and the fuel supply pressure sensor.

In each agricultural machine engine wireless diagnostic device, it may only include a sensor that detects a set item. For example, the detection module 101 only includes an oil pressure sensor. Engine wireless diagnostic device;

In each agricultural machine engine wireless diagnostic device, also can comprise the sensor that detects multiple setting items, for example can comprise machine oil pressure sensor, coolant temperature sensor and oil quantity sensor in the detection module 101 at the same time, the data that each sensor detects can share A terminal node can also be connected to different terminal nodes and sent through different terminal nodes.

The analog signal acquired by the sensor can be sequentially amplified by the signal amplifier and converted into a digital signal by the analog-to-digital converter, and then the digital signal is sent to the terminal node.

Specifically, when the setting item is engine oil pressure, the detection module 101 specifically includes: an engine oil pressure sensor, a signal amplifier, and an analog-to-digital converter;

When the setting item is coolant temperature, the detection module 101 specifically includes: a coolant temperature sensor, a signal amplifier, and an analog-to-digital converter;

When the setting item is oil quantity, the detection module 101 specifically includes: an oil quantity sensor, a signal amplifier and an analog-to-digital converter;

When the setting item is oil supply pressure, the detection module 101 specifically includes: an oil supply pressure sensor, a signal amplifier and an analog-to-digital converter.

Or, when the agricultural machinery engine wireless diagnostic device includes sensors for detecting multiple setting items, and when the data of each sensor share a terminal node 102 to send, each sensor can also share the signal amplifier and the analog-to-digital converter. At this time, the detection module 101 includes at least one sensor and a set of signal amplifiers and analog-to-digital converters for setting items.

When the measurement object is a tractor, the oil pressure sensor, coolant temperature sensor, and oil quantity sensor can use the original corresponding sensors on the agricultural machinery engine, and the oil supply pressure sensor can be installed in series in the oil inlet pipe of the agricultural machinery engine.

Preferably, the detection module 101 and the terminal node 102 can be connected through an RS485 communication interface, and the wireless network between the terminal node and the diagnosis client can be a network based on ZigBee (Zigbee protocol). The terminal node can use FDD (Full Function Device, full-featured device), or RFD (Reduced Function Device, simple function device).

The terminal node 102 may use a CC2530F256 chip, which integrates a high-performance 2.4GHz RF (Radio Frequency, radio frequency) transceiver and an optimized low-power 8051 microcontroller core.

The embodiment of the utility model also provides a wireless diagnostic system for agricultural machinery engines, as shown in Figure 2, including:

At least one agricultural machinery engine wireless diagnostic device 201, used to detect the setting items of the agricultural machinery engine and generate data, and send the data through the wireless network;

The diagnosis client 202 is used for receiving and processing data through the wireless network.

The diagnosis client 202 can display each monitoring parameter in real time, and give an alarm according to the preset threshold value of each parameter, so as to facilitate timely maintenance.

Specifically, as shown in Figure 3, the agricultural machinery engine wireless diagnostic device 201 specifically includes:

The detection module 2011 is used to detect the setting items of the agricultural machinery engine and generate data;

A terminal node 2012, configured to send data through a wireless network;

Diagnosis client 202 specifically includes:

The coordinator 2021 is used to receive and forward data through the wireless network;

The client 2022 is used to receive and process the data forwarded by the coordinator.

The coordinator 2021 and the client 2022 can be connected through an RS232 communication interface or through a USB (Universal Serial Bus, Universal Serial Bus) interface.

Among them, the setting items are specifically one or a combination of the following:

hydraulics pressure;

coolant temperature;

oil quantity;

Oil supply pressure.

Further, the detection module specifically includes: a sensor for setting items, a signal amplifier and an analog-to-digital converter.

Wherein, the terminal node 2012 can use FFD or RFD; the coordinator 2021 usually uses FFD.

Both the terminal node 2012 and the coordinator 2021 can use the CC2530F256 chip, which integrates a high-performance 2.4GHz RF (Radio Frequency, radio frequency) transceiver and an optimized low-power 8051 microcontroller core.

The monitoring software used by the client for data processing can be designed on the software programming platform of LabVIEW. The monitoring software is responsible for receiving the data transmitted by the coordinator, analyzing the data in real time, and monitoring the parameters of each agricultural machinery engine in the form of dynamic curves. The state of the system is displayed, and the relevant monitoring quantities or nodes exceeding the set threshold are pre-warned and judged, so as to realize data storage, time-frequency analysis, fault diagnosis, etc.

The embodiment of the utility model provides a wireless diagnostic device and system for agricultural machinery engines, which detects the setting items of the agricultural machinery engines in real time through the detection module, and then transmits the detection data to the diagnostic client through the wireless network, and the diagnostic client performs data analysis. Analyze and process, so as to realize real-time monitoring of the status of agricultural machinery engines and improve maintenance efficiency.

While preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, the appended claims are intended to be interpreted to cover the preferred embodiment and all changes and modifications which fall within the scope of the present invention.

Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (10)

1. an agricultural machine engine radio diagnostic device, is characterized in that, this device is arranged in agricultural machine engine, comprising:

Detection module, for detecting the setting item of agricultural machine engine and generating data;

Terminal node, for by described data by wireless network transmissions to diagnostic clients end.

2. device as claimed in claim 1, is characterized in that, described setting item is specially one of following or combination:

Engine oil pressure;

Coolant temperature;

Oil mass;

Charge oil pressure.

3. device as claimed in claim 2, it is characterized in that, described detection module specifically comprises: for the sensor of setting item, signal amplifier and analog to digital converter.

4. device as claimed in claim 1, is characterized in that, described terminal node uses FFD full-function device or uses the brief function device of RFD.

5. device as claimed in claim 1, it is characterized in that, described wireless network is the wireless network based on Zigbee ZigBee protocol.

6. an agricultural machine engine wireless diagnostic systems, is characterized in that, comprising:

At least one agricultural machine engine radio diagnostic device, is arranged in agricultural machine engine, for detecting the setting item of agricultural machine engine and generating data, sends described data by wireless network;

Diagnostic clients end, to be gone forward side by side row relax for being received described data by wireless network.

7. system as claimed in claim 6, it is characterized in that, described agricultural machine engine radio diagnostic device specifically comprises:

Detection module, for detecting the setting item of agricultural machine engine and generating data;

Terminal node, for sending described data by wireless network;

Described diagnostic clients end specifically comprises:

Telegon, for receiving described data by wireless network and forwarding;

Client, the data forwarded for receiving described telegon are gone forward side by side row relax.

8. system as claimed in claim 7, is characterized in that, described setting item is specially one of following or combination:

Engine oil pressure;

Coolant temperature;

Oil mass;

Charge oil pressure.

9. system as claimed in claim 8, it is characterized in that, described detection module specifically comprises: for the sensor of setting item, signal amplifier and analog to digital converter.

10. system as claimed in claim 7, is characterized in that, described terminal node uses FFD full-function device or uses the brief function device of RFD;

Described telegon uses FFD.