WO2017215336A1 - 履带支重轮温度监控方法、装置和系统 - Google Patents

履带支重轮温度监控方法、装置和系统 Download PDF

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Publication number
WO2017215336A1
WO2017215336A1 PCT/CN2017/080751 CN2017080751W WO2017215336A1 WO 2017215336 A1 WO2017215336 A1 WO 2017215336A1 CN 2017080751 W CN2017080751 W CN 2017080751W WO 2017215336 A1 WO2017215336 A1 WO 2017215336A1
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WO
WIPO (PCT)
Prior art keywords
temperature
roller
working temperature
current
threshold
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Application number
PCT/CN2017/080751
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English (en)
French (fr)
Inventor
刘汉光
徐轲
孟东阁
Original Assignee
徐工集团工程机械有限公司
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Application filed by 徐工集团工程机械有限公司 filed Critical 徐工集团工程机械有限公司
Priority to BR112018013368-0A priority Critical patent/BR112018013368B1/pt
Publication of WO2017215336A1 publication Critical patent/WO2017215336A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer

Definitions

  • the invention relates to the field of working performance testing of key parts of engineering machinery, in particular to a method, a device and a system for monitoring the temperature of a track roller.
  • Rolling friction is formed between the weight wheel body and the chain rail section, and a large amount of heat is generated when the metal is rubbed for a long time or in a high temperature environment, thereby causing a change in the operating temperature of the floating oil seal inside the wheel body and the wheel body.
  • the present invention provides a method, a device and a system for monitoring the temperature of a track roller. By real-time sampling and analysis of the temperature of the roller, the working state of the roller can be monitored in a timely and effective manner.
  • a method for monitoring a track roller temperature includes:
  • the current working temperature of the roller is compared with at least one temperature safety threshold to give a corresponding warning plan.
  • the monitoring of the working state of the roller by monitoring the current working temperature of the roller includes:
  • the temperature working trend is analyzed and the temperature change is predicted and the corresponding warning is made.
  • the temperature security threshold includes a first security threshold, a second security threshold, and a third security threshold, wherein the third security threshold is greater than the second security threshold, and the second security threshold is greater than the first security threshold;
  • the comparing the current working temperature of the roller with at least one temperature safety threshold, and providing a corresponding early warning scheme includes:
  • the method comprises:
  • the average value of the first three temperature collection values at the current time is taken as the current working temperature of the roller, and then the current working temperature of the roller is executed.
  • the method comprises:
  • the average value of the first three temperature collection values at the current time is taken as the current working temperature of the roller, and then the current working temperature of the roller is executed.
  • the method in a case where the current working temperature of the roller is greater than a third safety threshold, the method includes:
  • the average value of the first three temperature collection values at the current time is taken as the current working temperature of the roller, and then the current working temperature of the roller is executed.
  • the method further includes:
  • the collected roller working temperature data is uploaded to the cloud server at the second predetermined time interval.
  • a crawler roller temperature monitoring device including a temperature acquisition mode At least one of a block, a temperature monitoring module, and a temperature warning module, wherein:
  • a temperature acquisition module for obtaining the current working temperature of the roller in real time
  • the temperature monitoring module is configured to monitor the working state of the roller by monitoring the current working temperature of the roller;
  • the temperature warning module is used to compare the current working temperature of the roller with at least one temperature safety threshold, and gives a corresponding early warning scheme.
  • the temperature monitoring module is configured to analyze the temperature working trend based on the temperature data and make a pre-judgment and corresponding warning of the temperature change.
  • the temperature security threshold includes a first security threshold, a second security threshold, and a third security threshold, wherein the third security threshold is greater than the second security threshold, and the second security threshold is greater than the first security threshold;
  • the temperature warning module includes a temperature comparator and an early warning controller, wherein:
  • a temperature comparator configured to compare a current working temperature of the roller with a first safety threshold, a second safety threshold, and a third safety threshold
  • the early warning controller is configured to determine that the current working temperature is within a normal range when the current working temperature of the roller is less than the first safety threshold, and instruct the alarm device to issue a first early warning signal; the current working temperature of the roller is first In the case between the safety threshold and the second safety threshold, determining that the current operating temperature is in the early warning interval, instructing the alarm device to issue a second early warning signal; and the current working temperature of the roller is between the second safety threshold and the third safety threshold In the case that the current working temperature is determined to be in a dangerous interval, the warning device is instructed to issue a third early warning signal; and in the case that the current working temperature of the roller is greater than the third safety threshold, the current working temperature is determined to be in the failure interval, and the indicating alarm device issues the first Four warning signals.
  • the temperature warning module further includes a first temperature trend determining module, a second temperature trend determining module, and a third temperature trend determining module, wherein:
  • the first temperature trend judging module is configured to determine whether the working temperature of the roller has risen during the first predetermined time interval before the current time when the current working temperature of the roller is between the first safety threshold and the second safety threshold Trend; in the case that the working temperature of the roller has an upward trend during the first predetermined time interval before the current time, the indication warning controller performs an operation of determining that the current working temperature is in the early warning interval, and instructing the alarm device to issue the second early warning signal;
  • the working temperature of the roller under the first predetermined time interval before the moment In the case of an upward trend the average value of the first three temperature acquisition values at the current time is taken as the current working temperature of the roller, and then the temperature comparator is instructed to perform the current working temperature of the roller and the first safety threshold, the second safety threshold, and the first Three security thresholds for comparison operations;
  • the second temperature trend judging module is configured to determine whether the working temperature of the roller has risen during the first predetermined time interval before the current time when the current working temperature of the roller is between the second safety threshold and the third safety threshold Trend; in the case that the working temperature of the roller has an upward trend during the first predetermined time interval before the current time, the indication warning controller performs an operation of determining that the current working temperature is in a dangerous interval, instructing the alarm device to issue a third early warning signal; In the case that the working temperature of the roller has no upward trend during the first predetermined time interval before the moment, the average value of the first three temperature acquisition values at the current time is taken as the current working temperature of the roller, and then the temperature comparator is instructed to execute the current roller. The operation of comparing the operating temperature with the first safety threshold, the second safety threshold, and the third safety threshold;
  • the third temperature trend judging module is configured to determine whether the working temperature of the roller has an upward trend during the first predetermined time interval before the current time when the current working temperature of the roller is greater than the third safety threshold; In a case where the working temperature of the roller has an upward trend within a predetermined time interval, the indication warning controller performs an operation of determining that the current working temperature is in the failure interval, instructing the alarm device to issue the fourth warning signal; and the first predetermined time interval before the current time
  • the average value of the first three temperature acquisition values at the current time is taken as the current working temperature of the roller, and then the temperature comparator is instructed to execute the current working temperature of the roller and the first safety threshold. The operation of comparing the second security threshold with the third security threshold.
  • the apparatus further includes a temperature storage module and a data uploading module, wherein:
  • a temperature storage module for storing the current working temperature of the roller in real time
  • the data uploading module is configured to upload the collected roller working temperature data to the cloud server at a second predetermined time interval.
  • a crawler roller temperature monitoring system including a track roller temperature monitoring device, a temperature sensor, and an alarm device, wherein:
  • a temperature sensor for detecting the current operating temperature of the track roller
  • Track roller temperature monitoring device for storing and judging the current working temperature of the track roller Break, generate and output warning information
  • An alarm device for issuing an early warning signal according to the indication of the track roller temperature monitoring device.
  • the system further includes a data acquisition device,
  • the data acquisition instrument is used to convert the resistance change in the temperature sensor into a voltage change, and utilizes the bridge to ensure the data acquisition sensitivity in the high temperature range.
  • the alarm device includes a driver terminal, and an indicator light and a buzzer disposed in the cab, wherein:
  • the driver terminal is also used for on-site inspection and remote monitoring of temperature information.
  • the track roller temperature monitoring device is the track roller temperature monitoring device of any of the above embodiments.
  • the temperature sensor is disposed at the upper end of the roller.
  • the temperature sensor is disposed in the inner axle of the roller
  • the temperature sensor is connected to the inner shaft of the roller with a fine threaded connection, and the bottom of the temperature sensor sensor has a rubber sealing washer.
  • the invention can timely and effectively monitor the working state of the roller, and based on the collected temperature data, the temperature working trend can be analyzed and the temperature change can be predicted and correspondingly pre-warmed. .
  • FIG. 1 is a schematic view of a universal compact track chassis of the present invention.
  • FIG. 2 is a schematic view of a first embodiment of a track roller temperature monitoring system of the present invention.
  • FIG 3 is a schematic view of a second embodiment of a track roller temperature monitoring system of the present invention.
  • Figure 4 is a schematic view of the entirety of a roller with a temperature sensor in accordance with one embodiment of the present invention.
  • Fig. 5 is a schematic view showing the first embodiment of the temperature monitoring device for the track roller of the present invention.
  • Fig. 6 is a schematic view showing a second embodiment of the track roller temperature monitoring device of the present invention.
  • FIG. 7 is a schematic diagram of a temperature warning module according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an embodiment of a method for monitoring temperature of a track roller according to the present invention.
  • FIG. 9 is a schematic diagram of a temperature warning process in an embodiment of the present invention.
  • the invention relates to a method, a device and a system for monitoring the temperature of a track roller.
  • the real-time sampling and analysis of the temperature of the roller can timely and effectively monitor the working state of the roller.
  • FIG. 1 Shown in FIG. 1 is a universal compact track chassis 1000 that can be implemented in any type of machine having the same chassis, such as a hydraulic excavator, a bulldozer, a track loader, and the like.
  • the chassis is composed of a driving wheel 1001, a guide wheel 1002, a roller 1003, a carrier sprocket 1004, a link section 1005, a track shoe 1006, and a frame 1007.
  • the drive mechanism of the track chassis can include a mechanical drive, a hydraulic drive, an electric drive, or a combination thereof. After the drive mechanism is activated, the rotation of the drive wheel can cause the track circumference The drive wheel, the guide wheel and the roller and the carrier roller are moved to engage with the ground surface to push the whole machine to move.
  • the drive wheels can be driven in different directions to push the machine in a forward or backward direction.
  • the complete machine can be steered by performing differential power input to the track drive wheels on both sides of the track frame.
  • adjacent track links are coupled together by a pin, and the track drive wheel can drive the entire track by driving the chain link pin shaft.
  • the track roller temperature monitoring system may include a temperature sensor 100, a track roller temperature monitoring device 200, and an alarm device 300, wherein:
  • the temperature sensor 100 is coupled to the track roller temperature monitoring device 200, and the alarm device 300 is coupled to the track roller temperature monitoring device 200.
  • the temperature sensor 100 is disposed at the upper end of the roller.
  • the temperature sensor 100 is configured to detect the current operating temperature of the working position of the track roller floating seal ring.
  • a temperature sensor 100 is correspondingly mounted in each of the track rollers.
  • the temperature sensor 100 may specifically be a platinum resistance full package temperature probe mounted on the inner shaft of the track roller.
  • the track roller temperature monitoring device 200 is configured to store, monitor and judge the current working temperature of the track roller, and generate and output warning information.
  • the alarm device 300 is configured to issue an early warning signal according to the indication of the track roller temperature monitoring device 200.
  • the alarm device 300 can include a driver terminal, and an indicator light and a buzzer disposed in the cab.
  • the real-time sampling and analysis of the roller temperature can timely and effectively monitor the working state of the roller, and based on the collected temperature data, the utility can analyze Temperature working trend and pre-judgment and corresponding warning of temperature changes.
  • the track roller temperature monitoring device 200 can be specifically configured to compare the current operating temperature of the roller with at least one (eg, three) temperature safety thresholds to provide a corresponding early warning scheme.
  • the above embodiment of the present invention sets a plurality of temperature safety thresholds, correspondingly, different temperature limits are given.
  • the warning scheme corresponding to the value is to realize the early warning of various temperature states, and remind the driver to adopt different countermeasures to alleviate the overheating of the working temperature of the roller, timely stop cooling or timely replacement, and improve the stability and reliability of the use of the roller.
  • the track roller temperature monitoring device 200 is further configured to upload the collected roller operating temperature data to the cloud server at a second predetermined time interval.
  • the above embodiment of the present invention adds a data uploading function, which is convenient for engineers and technicians to analyze abnormal data, and further, is used for improvement of the performance of the roller.
  • FIG. 3 is a schematic view of a second embodiment of a track roller temperature monitoring system of the present invention.
  • the system can further include a data acquisition instrument 400, wherein:
  • the data acquisition instrument 400 is disposed between the temperature sensor 100 and the track roller temperature monitoring device 200.
  • the data collector 400 is configured to convert the resistance change in the temperature sensor 100 into a voltage change, and utilize the bridge to ensure data acquisition sensitivity in the high temperature range.
  • the resistance value of the platinum resistance in the temperature sensor changes accordingly, and the changed resistance value is solved by the circuit in the data acquisition device, and converted into an analog voltage.
  • the signal is further converted into a digital signal.
  • the digital signal characterizing the working temperature of the roller enters the track roller temperature monitoring device 200 as an input quantity.
  • the track roller temperature monitoring device 200 the current working temperature of the roller is stored and judged, and the indication is performed.
  • the alarm device 300 issues a corresponding alarm signal.
  • the track roller temperature monitoring system may further include a power source 300.
  • the whole set of temperature monitoring system power supply is powered by the engineering vehicle battery. Different transformers should be configured at different voltage inlets to ensure the matching of the power supply of each electronic component.
  • Shown in Figure 4 is a roller overall with a temperature sensor 2001.
  • the roller is comprised of a wheel body 2002, a roller axle 2003, a bushing 2004, an outer axle mount 2005, an inner axle mount 2006, an O-ring 2007
  • the shaft end retaining ring 2008, the floating seal ring 2009, the floating seal rubber 2010 and the plug 2011 constitute a temperature sensor 2100 in the inner axle seat of the present invention.
  • crawler chassis engineering machinery is generally used for outdoor work, and the load rollers are generally subjected to loads. It is divided into four types: axial static load/impact load and vertical static load/impact load. Therefore, the temperature sensor of the track roller should be installed firmly and reliably. In order to ensure the firmness of the temperature sensor installation, the mounting surface of the temperature sensor is milled to ensure the flatness of the sensor installation.
  • Shown in Figure 2 is the specific mounting of the temperature sensor 2100 in the roller. Considering that the amount of oil injected in the roller is generally 2/3 of the volume of the cavity, the upper end of the floating ring is directly lubricated due to lack of lubricating oil during operation, and the relative temperature rises faster under friction conditions, so the temperature sensor is arranged at The top of the roller.
  • adding the longitudinal temperature sensor mounting hole will increase the sequential processing steps of the same part, so the installation position of the temperature sensor is set in the inner bearing of the roller, so that the sensor mounting hole The oil hole can be machined at the same time.
  • the temperature sensor is connected to the inner shaft of the roller with a fine threaded connection. There is a rubber sealing washer at the bottom of the sensor to prevent oil leakage in the roller.
  • the temperature sensor disposed on the roller of the above embodiment of the present invention can realize convenient replacement, and the whole system can automatically perform temperature real-time sampling, measurement, analysis and storage.
  • a plurality of temperature safety thresholds are set for the material properties used inside the engaging roller, and an early warning scheme corresponding to different temperature limits is given to realize early warning of various temperature states.
  • Fig. 5 is a schematic view showing the first embodiment of the temperature monitoring device for the track roller of the present invention.
  • the track roller temperature monitoring device may include a temperature acquisition module 210, a temperature monitoring module 220, and a temperature warning module 230, wherein:
  • the temperature acquisition module 210 is configured to acquire the current working temperature of the roller in real time.
  • the temperature monitoring module 220 is configured to monitor the working state of the roller by monitoring the current working temperature of the roller.
  • the temperature monitoring module 220 is configured to analyze the temperature working trend based on the temperature data and make a pre-judgment and corresponding warning for the temperature change.
  • the temperature warning module 230 is configured to compare the current working temperature of the roller with at least one temperature security threshold, and provide a corresponding early warning solution.
  • the temperature security threshold includes a first security threshold T 1 , a second security threshold T 2 , and a third security threshold T 3 , wherein the third security threshold T 3 is greater than the second security threshold, and the second The safety threshold T 2 is greater than the first safety threshold T 1 .
  • Fig. 6 is a schematic view showing a second embodiment of the track roller temperature monitoring device of the present invention.
  • the device may further include a temperature storage module 240 and a data uploading module 250, wherein:
  • the temperature storage module 240 is configured to store the current working temperature of the roller in real time.
  • the data uploading module 250 is configured to upload the collected roller working temperature data to the cloud server at a second predetermined time interval.
  • the working state of the roller can be monitored in time and effectively by real-time sampling and analysis of the temperature of the roller, and based on the collected temperature data, the analysis can be performed.
  • Temperature working trend and pre-judgment and corresponding early warning of temperature change are set in the above embodiment of the present invention, correspondingly, an early warning scheme corresponding to different temperature limit values is given to realize various
  • the warning of the temperature state reminds the driver to use different countermeasures to alleviate the overheating of the working temperature of the roller, timely stop cooling or timely replacement, and improve the stability and reliability of the use of the roller; in addition, the above embodiment of the present invention is added.
  • the data upload function is convenient for engineers and technicians to analyze abnormal data, and further, for the improvement of the performance of the roller.
  • the second predetermined time interval is 12 hours.
  • the data uploading module 250 is configured to upload the working temperature data of the roller to the cloud server after detecting whether the engine has been stopped or the working device has no action signal to ensure that the device is in a non-working state.
  • the track roller temperature monitoring system starts collecting data after the engine is started, and starts to display at the driver terminal after starting for 5 minutes, and the data collection frequency is set to 5 times/s, and all real-time data is collected. Enter the Excel file under the specified path and name the file with today's date. From the start of the engine, the data is automatically uploaded to the cloud every 12 hours. During the data uploading process, the driver terminal will display a message prompting the driver to stop the operation. If the engine is down after less than 12 hours after starting up, then The next time the power is turned on, the last saved temperature real-time data will be uploaded first, and then the new record will be started after the upload is completed.
  • the driver can also upload data manually, but it is not recommended for the driver to upload during the operation.
  • Manual upload requires dedicated peripheral hardware. After the peripheral is connected to the driver terminal, the system will detect whether the engine has been shut down or the working device. There is no action signal to ensure that the system will allow the peripheral to read and write the internal files of the system to ensure the safety of the operation.
  • FIG. 7 is a schematic diagram of a temperature warning module according to an embodiment of the present invention.
  • the temperature warning module 230 described in the embodiment of FIG. 5 or FIG. 6 may include a temperature comparator 231 and an early warning controller 232, wherein:
  • the temperature comparator 231 is configured to compare the current working temperature of the roller with the first safety threshold T 1 , the second safety threshold T 2 and the third safety threshold T 3 .
  • Warning controller 232 for supporting wheels in case the current operating temperature is less than a first threshold value T 1 is safe, determines that the current operating temperature is within the normal range, indicating an alarm warning means emit a first signal; the current operating temperature of the track roller When the first safety threshold T 1 is between the first safety threshold T 2 and the second safety threshold T 2 , the current working temperature is determined to be in the early warning interval, and the alarm device is instructed to issue a second early warning signal; the current working temperature of the roller is at the second safety threshold T 2 , in the case between the third safety threshold T 3 , determining that the current operating temperature is in the danger zone, instructing the alarm device to issue a third warning signal; and in the case that the current working temperature of the roller is greater than the third safety threshold T 3 , It is determined that the current working temperature is in the failure interval, and the alarm device is instructed to issue a fourth warning signal.
  • the alarm device 300 can include a driver terminal, and an indicator light and a buzzer disposed in the cab.
  • the real-time operating temperature value of the track roller and the current temperature state are displayed in real time at the driver terminal.
  • T 1 is 60 ° C
  • T 2 is 90 ° C
  • T 3 is 120 ° C.
  • the working temperature is defined as a safety interval below 60 °C, and is green in the terminal; the working temperature is in the early warning interval in the interval of 60 °C-90 °C, and is yellow in the terminal; the working temperature is in the dangerous interval in the interval of 90 °C-120 °C.
  • the terminal is displayed in orange; the temperature above 120 °C is the failure interval and is displayed in red at the terminal.
  • the controller 232 may be used for early warning in case of supporting wheels current operating temperature is less than a first threshold value T 1 is safe, determines that the current operating temperature is within the normal range, indicating that the driver terminal green And indicating that the green indicator light in the cab is always on; when the current working temperature of the roller is between the first safety threshold T 1 and the second safety threshold T 2 , determining that the current working temperature is in the early warning interval, indicating the driver terminal Yellow is displayed and indicates that the yellow light in the cab is blinking; when the current working temperature of the roller is between the second safety threshold T 2 and the third safety threshold T 3 , it is determined that the current operating temperature is in a dangerous interval, indicating the driver The terminal displays orange and indicates that the yellow indicator light in the cab is always on; when the current working temperature of the roller is greater than the third safety threshold T 3 , it is determined that the current working temperature is in the failure interval, indicating that the driver terminal displays red and indicates driving The indoor red indicator light is always on.
  • the temperature warning module 230 may further include at least one of the first temperature trend determination module 233, the second temperature trend determination module 234, and the third temperature trend determination module 235.
  • the first temperature trend determination module 233 may further include at least one of the first temperature trend determination module 233, the second temperature trend determination module 234, and the third temperature trend determination module 235.
  • the first temperature trend judging module 233 is configured to determine, in the case that the current working temperature of the roller is between the first safety threshold T 1 and the second safety threshold T 2 , determine the roller in the first predetermined time interval before the current time Whether the working temperature has an upward trend; in the case that the working temperature of the roller has an upward trend during the first predetermined time interval before the current time, the indication warning controller 232 performs the determination that the current working temperature is in the early warning interval, and the warning device issues a second warning Operation of the signal; in the case that the working temperature of the roller does not rise in the first predetermined time interval before the current time, the average value of the first three temperature acquisition values at the current time is taken as the current working temperature of the roller, and then the temperature comparator is indicated 231 performs an operation of comparing the current operating temperature of the roller to the first safety threshold T 1 , the second safety threshold T 2 , and the third safety threshold T 3 .
  • the second temperature trend determining module 234 is configured to determine the roller in the first predetermined time interval before the current time when the current working temperature of the roller is between the second safety threshold T 2 and the third safety threshold T 3 Whether the working temperature has an upward trend; in the case that the working temperature of the roller has an upward trend during the first predetermined time interval before the current time, the indicating early warning controller 232 performs the determination that the current working temperature is in the dangerous interval, and the warning device issues a third warning Operation of the signal; in the case that the working temperature of the roller does not rise in the first predetermined time interval before the current time, the average value of the first three temperature acquisition values at the current time is taken as the current working temperature of the roller, and then the temperature comparator is indicated 231 performs an operation of comparing the current operating temperature of the roller to the first safety threshold T 1 , the second safety threshold T 2 , and the third safety threshold T 3 .
  • the third temperature trend judging module 235 is configured to determine whether the working temperature of the roller has an upward trend during the first predetermined time interval before the current time when the current working temperature of the roller is greater than the third safety threshold T 3 ; In the case that the working temperature of the roller has an upward trend during the first predetermined time interval before the time, the indication warning controller 232 performs an operation of determining that the current working temperature is in the failure interval, instructing the alarm device to issue the fourth warning signal; before the current time In the case that the working temperature of the roller does not rise in a predetermined time interval, the average value of the first three temperature acquisition values at the current time is taken as the current working temperature of the roller, and then the temperature comparator 231 is instructed to execute the current working temperature of the roller. An operation of comparing with the first safety threshold T 1 , the second safety threshold T 2 , and the third safety threshold T 3 .
  • FIG. 8 is a schematic diagram of an embodiment of a method for monitoring temperature of a track roller according to the present invention.
  • this embodiment can be performed by the track roller temperature monitoring device of the present invention.
  • the method includes the following steps:
  • step 81 the current working temperature of the roller is obtained in real time.
  • step 82 the monitoring of the working state of the roller is realized by monitoring the current working temperature of the roller.
  • step 82 may include analyzing a temperature working trend based on the temperature data and making a pre-judgment and a corresponding warning for the temperature change.
  • step 83 the current working temperature of the roller is compared with at least one temperature safety threshold, and a corresponding early warning scheme is given.
  • the method of the embodiment of FIG. 8 may further include: storing the current working temperature of the roller in real time; and uploading the collected roller operating temperature data to the cloud server at the second predetermined time interval.
  • the temperature security threshold includes a first security threshold T 1 , a second security threshold T 2 , and a third security threshold T 3 , wherein the third security threshold T 3 is greater than the second security threshold T 2 , The second safety threshold T 2 is greater than the first safety threshold T 1 .
  • FIG. 9 is a schematic diagram of a temperature warning process in an embodiment of the present invention. As shown in FIG. 9, step 83 in the embodiment of FIG. 8 may include:
  • Step 831 the supporting wheels current operating temperature and a first threshold value T 1 safety compared. If the current working temperature of the roller is less than the first safety threshold T 1 , step 832 is performed; if the current working temperature of the roller is not less than the first safety threshold T 1 , step 833 is performed.
  • Step 832 determining that the current working temperature is within a normal range, instructing the alarm device to issue a first warning letter No.; other steps of this embodiment are not performed thereafter.
  • the step of indicating the alarm device to issue the first early warning signal may include: indicating that the driver terminal displays green, and indicating that the green indicator light in the cab is always on.
  • Step 833 the supporting wheels current operating temperature and the second safety threshold T 2 for comparison. If the current working temperature of the roller is less than the second safety threshold T 2 , it is determined whether the working temperature of the roller in the first predetermined time interval before the current time has an upward trend, and then step 834 or step 835 is performed; if the roller is currently working If the temperature is not less than the second safety threshold T 2 , then step 836 is performed.
  • Step 834 if the working temperature of the roller has an upward trend during the first predetermined time interval before the current time, it is determined that the current working temperature is in the early warning interval, and the alarm device is instructed to issue a second early warning signal; afterwards, the other steps of the embodiment are not executed. .
  • the step of indicating the alarm device to issue the second early warning signal may include: indicating that the driver terminal displays yellow, and indicating that the yellow light in the cab is blinking.
  • Step 835 If the working temperature of the roller has no upward trend during the first predetermined time interval before the current time, the average value of the first three temperature collection values at the current time is taken as the current working temperature of the roller, and then step 831 is performed.
  • Step 836 the supporting wheels and the third current operating temperature safety threshold T 3 for comparison. If the current working temperature of the roller is less than the third safety threshold T 3 , it is determined whether the working temperature of the roller in the first predetermined time interval before the current time has an upward trend, and then step 837 or step 838 is performed; if the roller currently works If the temperature is not less than the third safety threshold T 3 , it is determined whether the working temperature of the roller in the first predetermined time interval before the current time has an upward trend, and then step 839 or step 840 is performed.
  • Step 837 if the working temperature of the roller has an upward trend during the first predetermined time interval before the current time, it is determined that the current working temperature is in the dangerous interval, and the alarm device is instructed to issue a third early warning signal; afterwards, the other steps of the embodiment are not executed. .
  • the step of indicating the alarm device to issue the third early warning signal may include: indicating that the driver terminal displays orange, and indicating that the yellow indicator light in the cab is always on.
  • Step 838 If the working temperature of the roller has no upward trend during the first predetermined time interval before the current time, the average value of the first three temperature collection values at the current time is taken as the current working temperature of the roller, and then step 831 is performed.
  • Step 839 If the working temperature of the roller has an upward trend during the first predetermined time interval before the current time, it is determined that the current working temperature is in the failure interval, and the alarm device is instructed to issue a fourth early warning signal; afterwards, the other steps of the embodiment are not performed. .
  • the step of indicating the alarm device to issue the fourth early warning signal may include: indicating that the driver terminal displays red color, and indicating that the red indicator light in the cab is always on.
  • Step 840 If the working temperature of the roller has no upward trend during the first predetermined time interval before the current time, the average value of the first three temperature collection values at the current time is taken as the current working temperature of the roller, and then step 831 is performed.
  • the working state of the roller can be timely and effectively monitored by real-time sampling and analysis of the temperature of the roller, and based on the collected temperature data, the analysis can be performed.
  • Temperature working trend and pre-judgment and corresponding early warning of temperature change are set in the above embodiment of the present invention, correspondingly, an early warning scheme corresponding to different temperature limit values is given to realize various
  • the warning of the temperature state reminds the driver to use different countermeasures to alleviate the overheating of the working temperature of the roller, timely stop cooling or timely replacement, and improve the stability and reliability of the use of the roller; in addition, the above embodiment of the present invention is added.
  • the data upload function is convenient for engineers and technicians to analyze abnormal data, and further, for the improvement of the performance of the roller.
  • the track roller temperature monitoring device described above can be implemented as a general purpose processor, programmable logic controller (PLC), digital signal processor (DSP), application specific integrated circuit (ASIC) for performing the functions described herein. ), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or any suitable combination thereof.
  • PLC programmable logic controller
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • FPGA Field Programmable Gate Array
  • a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
  • the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

一种履带支重轮温度监控方法、装置和系统。系统包括：履带支重轮温度监控装置（200）、温度传感器（100）和报警装置（300），其中，温度传感器（100），用于检测履带支重轮（1003）的当前工作温度；履带支重轮温度监控装置（200），用于对履带支重轮（1003）的当前工作温度进行储存和判断，生成与输出预警信息；报警装置（300），用于根据履带支重轮温度监控装置（200）的指示，发出预警信号。通过对支重轮（1003）温度进行实时采样和分析，可以对支重轮（1003）工作状态进行及时有效的监控，基于采集的温度数据，可以分析出温度工作走势并对温度变化做出预判和相应预警。

Description

履带支重轮温度监控方法、装置和系统 技术领域
本发明涉及工程机械关键部件工作性能检测领域，特别涉及一种履带支重轮温度监控方法、装置和系统。
背景技术
在不同的工作场所，例如建筑工地，矿山采掘作业区，填埋工地等，均可以通过以履带行走装置为底盘的各类工程机械来完成各种类型的工作。现场作业测试与实验条件测试均表明，长时间的户外作业会导致支重轮中的工作温度升高，温度升高到一定程度后，会导致支重轮中密封部件——浮封环的橡胶圈高温失效，失去其应有的材料弹性，进而导致封装在支重轮内部的润滑油泄漏，进一步，支重轮内部零件失去润滑条件而进行干摩擦，最终，干摩擦条件下支重轮内部零件如转动轴、衬套等抱死，支重轮整体无法转动，失去工作能力。如不及时更换会导致驱动功率升高、加速驱动轮磨损以及链轨节失效的后果。
目前履带支重轮通常使用浮动油封对密封腔体内的润滑油进行机械密封。当支重轮工作时，两端轴座连同其浮封胶圈、浮封环与轴及轴上的O形密封圈一起固连在挖掘机的机架上不动，而轮体及两端的浮封胶圈、浮封环、双金属衬套则一起绕着轴转动，以保证双金属衬套与轴之间形成滑动摩擦。支重轮体与链轨节形成滚动摩擦，长时间运转或者在高温环境下金属间摩擦会产生大量热量，因而导致轮体以及轮体内部浮动油封工作环境温度的变化。支重轮上亦没有配置相关温度检测设备，机器操作人员偶尔会采用人体触摸或便携式温度测试设备检测温度，但工作过程中大部分时间不会主动检测支重轮温度变化。
在作业过程中由于缺少对支重轮实时温度的监控，导致温度不断升高超过橡胶材料许用的长期工作温度，从而发生浮封环失效，并诱发支重轮抱死的故障后，现场作业需停止，并现场更换支重轮。但由于作业环境具有随机性，现场通常不具备更换支重轮的条件和必要的工具，更换支重轮通常会导致现场较长时间停工，造成较大的经济损失。
发明内容
鉴于以上技术问题，本发明提供了一种履带支重轮温度监控方法、装置和系统，通过对支重轮温度进行实时采样和分析，可以对支重轮工作状态进行及时有效的监控。
根据本发明的一个方面，提供一种履带支重轮温度监控方法，包括：
实时获取支重轮当前工作温度；
通过监控支重轮当前工作温度实现对支重轮工作状态的监控；
将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案。
在本发明的一个实施例中，所述通过监控支重轮当前工作温度实现对支重轮工作状态的监控包括：
基于温度数据分析出温度工作走势并对温度变化做出预判和相应预警。
在本发明的一个实施例中，温度安全阈值包括第一安全阈值、第二安全阈值和第三安全阈值，其中，第三安全阈值大于第二安全阈值，第二安全阈值大于第一安全阈值；
所述将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案包括：
将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较；
在支重轮当前工作温度小于第一安全阈值的情况下，判定当前工作温度在正常范围内，指示报警装置发出第一预警信号；
在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，判定当前工作温度处于预警区间，指示报警装置发出第二预警信号；
在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，判定当前工作温度处于危险区间，指示报警装置发出第三预警信号；
在支重轮当前工作温度大于第三安全阈值的情况下，判定当前工作温度处于失效区间，指示报警装置发出第四预警信号。
在本发明的一个实施例中，在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，所述方法包括：
判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；
若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则执行判定当前工作温度处于预警区间，指示报警装置发出第二预警信号的步骤；
若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的步骤。
在本发明的一个实施例中，在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，所述方法包括：
判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；
若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则执行判定当前工作温度处于危险区间，指示报警装置发出第三预警信号的步骤；
若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的步骤。
在本发明的一个实施例中，在支重轮当前工作温度大于第三安全阈值的情况下，所述方法包括：
判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；
若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则判定当前工作温度处于失效区间，指示报警装置发出第四预警信号；
若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的步骤。
在本发明的一个实施例中，所述方法还包括：
实时存储支重轮当前工作温度；
以第二预定时间间隔，将采集的支重轮工作温度数据上传给云端服务器。
根据本发明的另一方面，提供一种履带支重轮温度监控装置，包括温度获取模 块、温度监控模块和温度预警模块中的至少一个，其中：
温度获取模块，用于实时获取支重轮当前工作温度；
温度监控模块，用于通过监控支重轮当前工作温度实现对支重轮工作状态的监控；
温度预警模块，用于将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案。
在本发明的一个实施例中，温度监控模块用于基于温度数据分析出温度工作走势并对温度变化做出预判和相应预警。
在本发明的一个实施例中，温度安全阈值包括第一安全阈值、第二安全阈值和第三安全阈值，其中，第三安全阈值大于第二安全阈值，第二安全阈值大于第一安全阈值；
所述温度预警模块包括温度比较器和预警控制器，其中：
温度比较器，用于将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较；
预警控制器，用于在支重轮当前工作温度小于第一安全阈值的情况下，判定当前工作温度在正常范围内，指示报警装置发出第一预警信号；在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，判定当前工作温度处于预警区间，指示报警装置发出第二预警信号；在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，判定当前工作温度处于危险区间，指示报警装置发出第三预警信号；以及在支重轮当前工作温度大于第三安全阈值的情况下，判定当前工作温度处于失效区间，指示报警装置发出第四预警信号。
在本发明的一个实施例中，所述温度预警模块还包括第一温度走势判断模块、第二温度走势判断模块和第三温度走势判断模块，其中：
第一温度走势判断模块，用于在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器执行判定当前工作温度处于预警区间，指示报警装置发出第二预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无 上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的操作；
第二温度走势判断模块，用于在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器执行判定当前工作温度处于危险区间，指示报警装置发出第三预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的操作；
第三温度走势判断模块，用于在支重轮当前工作温度大于第三安全阈值的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器执行判定当前工作温度处于失效区间，指示报警装置发出第四预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的操作。
在本发明的一个实施例中，所述装置还包括温度存储模块和数据上传模块，其中：
温度存储模块，用于实时存储支重轮当前工作温度；
数据上传模块，用于以第二预定时间间隔，将采集的支重轮工作温度数据上传给云端服务器。
根据本发明的另一方面，提供一种履带支重轮温度监控系统，包括履带支重轮温度监控装置、温度传感器和报警装置，其中：
温度传感器，用于检测履带支重轮的当前工作温度；
履带支重轮温度监控装置，用于对履带支重轮的当前工作温度进行储存和判 断，生成与输出预警信息；
报警装置，用于根据履带支重轮温度监控装置的指示，发出预警信号。
在本发明的一个实施例中，所述系统还包括数据采集仪，
数据采集仪，用于将温度传感器中的阻值变化转换成电压变化，并利用桥路保证在高温段的数据采集灵敏度。
在本发明的一个实施例中，报警装置包括驾驶员终端、以及设置在驾驶室的指示灯和蜂鸣器，其中：
驾驶员终端还用于温度信息的现场查阅和远程监控。
在本发明的一个实施例中，所述履带支重轮温度监控装置为上述任一实施例所述的履带支重轮温度监控装置。
在本发明的一个实施例中，温度传感器布置在支重轮上端。
在本发明的一个实施例中，温度传感器设置在支重轮内轴座；
温度传感器与支重轮内轴座之间采用细牙螺纹连接，在温度传感器传感器底部有橡胶密封垫圈。
本发明通过对支重轮温度进行实时采样和分析，可以对支重轮工作状态进行及时有效的监控，基于采集的温度数据，可以分析出温度工作走势并对温度变化做出预判和相应预警。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明通用小型履带底盘的示意图。
图2为本发明履带支重轮温度监控系统第一实施例的示意图。
图3为本发明履带支重轮温度监控系统第二实施例的示意图。
图4为本发明一个实施例中带有温度传感器的支重轮整体的示意图。
图5为本发明履带支重轮温度监控装置第一实施例的示意图。
图6为本发明履带支重轮温度监控装置第二实施例的示意图。
图7为本发明一个实施例中温度预警模块的示意图。
图8为本发明履带支重轮温度监控方法一个实施例的示意图。
图9为本发明一个实施例中温度预警流程的示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
同时，应当明白，为了便于描述，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为授权说明书的一部分。
在这里示出和讨论的所有示例中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它示例可以具有不同的值。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
本发明涉及一种履带支重轮温度监控方法、装置和系统，通过对支重轮温度进行实时采样和分析，可以对支重轮工作状态进行及时有效的监控。
在图1中展示的是通用小型履带底盘1000，本发明可实施在具有相同底盘的任何类型的机器，例如，液压挖掘机、推土机、履带式装载机等。如图1所示，该底盘由驱动轮1001、导向轮1002、支重轮1003、托链轮1004、链轨节1005、履带板1006、车架1007组成。另外，履带底盘的驱动机构可以包括机械驱动装置、液压驱动装置、电力驱动装置或其组合。驱动机构启动之后，驱动轮的转动可引起履带围 绕驱动轮、导向轮和支重轮、托链轮移动以与地面表面接合，从而推动整机移动。驱动轮可在不同的方向上被驱动以在向前或向后的方向上推动机器。另外，整机可通过对履带架两侧履带驱动轮实施有差别的动力输入来进行转向。在图1所示的履带结构中，相邻的履带链节通过销轴连接在一起，履带驱动轮可通过驱动链轨节销轴实现对整条履带的驱动。
图2为本发明履带支重轮温度监控系统第一实施例的示意图。如图2所示，所述履带支重轮温度监控系统可以包括温度传感器100、履带支重轮温度监控装置200和报警装置300，其中：
温度传感器100与履带支重轮温度监控装置200连接，报警装置300与履带支重轮温度监控装置200连接。
温度传感器100布置在支重轮上端。
温度传感器100，用于检测履带支重轮浮封环工作位置的当前工作温度。
在本发明的一个实施例中，在每个履带支重轮中对应安装一个温度传感器100。
在本发明的一个实施例中，温度传感器100具体可以为安装在履带支重轮内轴座上的铂电阻全封装温度探头。
履带支重轮温度监控装置200，用于对履带支重轮的当前工作温度进行储存、监控和判断，生成与输出预警信息。
报警装置300，用于根据履带支重轮温度监控装置200的指示，发出预警信号。
在本发明的一个实施例中，报警装置300可以包括驾驶员终端、以及设置在驾驶室的指示灯和蜂鸣器。
基于本发明上述实施例提供的履带支重轮温度监控系统，通过对支重轮温度进行实时采样和分析，可以对支重轮工作状态进行及时有效的监控，基于采集的温度数据，可以分析出温度工作走势并对温度变化做出预判和相应预警。
在本发明的一个实施例中，履带支重轮温度监控装置200具体可以用于将支重轮当前工作温度与至少一个(例如三个)温度安全阈值进行比较，给出相应的预警方案。
本发明上述实施例设置了多个温度安全阈值，对应地，给出了不同温度限定 值对应的预警方案，以实现多种温度状态的预警，提醒驾驶员采用不同的应对方案缓解支重轮工作温度过热，及时停车冷却或及时更换，提高支重轮的使用稳定性和可靠性。
在本发明的一个实施例中，履带支重轮温度监控装置200还可以用于以第二预定时间间隔，将采集的支重轮工作温度数据上传给云端服务器。
本发明上述实施例加入了数据上传功能，便于工程技术人员对异常数据进行分析，进一步，用于支重轮性能的改进。
图3为本发明履带支重轮温度监控系统第二实施例的示意图。与图2所示实施例相比，在图3所示实施例中，所述系统还可以包括数据采集仪400，其中：
数据采集仪400，设置在温度传感器100与履带支重轮温度监控装置200之间。
数据采集仪400，用于将温度传感器100中的阻值变化转换成电压变化，并利用桥路保证在高温段的数据采集灵敏度。
本发明上述实施例中，当履带支重轮的工作温度发生变化时，温度传感器中的铂电阻阻值会相应发生变化，变化的阻值通过数据采集仪中的电路解算，转换成模拟电压信号并进一步转换成数字信号。进一步，表征支重轮工作温度的数字信号作为输入量进入履带支重轮温度监控装置200，在履带支重轮温度监控装置200中，对当前的支重轮工作温度进行储存和判断，并指示报警装置300发出相应报警信号。
在本发明的一个实施例中，如图3所示，所述履带支重轮温度监控系统还可以包括电源300。整套温度监控系统电源由工程车辆电瓶供电，在不同的电压入口应配置不同变压器以保证各电子元器件的电源匹配。
图4中展示的是带有温度传感器的支重轮整体2001，通常，支重轮由轮体2002、支重轮轴2003、轴套2004、外轴座2005、内轴座2006、O型圈2007、轴端挡圈2008、浮封环2009、浮封橡胶2010和栓塞2011组成，本发明中在内轴座安装温度传感器2100。
由于支重轮与车架之间的连接方式为固连，且支重轮的拆卸方式一般为整体拆卸。
此外，履带底盘工程机械一般为户外作业，履带支重轮受到的载荷形式一般可 分为轴向静载荷/冲击载荷、垂向静载荷/冲击载荷四种类型，因此履带支重轮的温度传感器的安装方式要牢固可靠。为保证温度传感器的安装牢固性，温度传感器的安装面做铣削处理，保证传感器安装的平整度。
由于支重轮本身的安装空间已十分紧凑，因此，所有温度传感器应与支重轮安装为整体后，再进行润滑油加注，之后再作为整体安装在履带架上。
在图2中展示的是温度传感器2100在支重轮中的具体安装方式。考虑到支重轮中的注油量一般为空腔体积的2/3，在工作中浮封环上端由于缺少润滑油的直接润滑，在摩擦条件下相对温升较快，因此将温度传感器布置在支重轮上端。
考虑到支重轮外轴座已开有注油口，再加纵向温度传感器安装孔会增加同一零件的顺序加工步骤，因此将温度传感器的安装位置设置在支重轮内轴座，这样传感器安装孔和注油孔可以同时进行机加工。
温度传感器与支重轮内轴座之间采用细牙螺纹连接，在传感器底部有橡胶密封垫圈，防止支重轮中润滑油泄漏。
本发明上述实施例支重轮上配置的温度传感器可以实现便捷拆换，整套系统能够自动进行温度实时采样、测量、分析和存储。同时，接合支重轮内部所使用材料特性设置了多个温度安全阈值，给出了不同温度限定值对应的预警方案，以实现多种温度状态的预警。
下面通过具体实施例对本发明履带支重轮温度监控系统中的履带支重轮温度监控装置200的结构和功能进行进一步介绍。
图5为本发明履带支重轮温度监控装置第一实施例的示意图。如图5所示，所述履带支重轮温度监控装置可以包括温度获取模块210、温度监控模块220和温度预警模块230，其中：
温度获取模块210，用于实时获取支重轮当前工作温度。
温度监控模块220，用于通过监控支重轮当前工作温度实现对支重轮工作状态的监控。
在本发明的一个实施例中，温度监控模块220用于基于温度数据分析出温度工作走势并对温度变化做出预判和相应预警。
温度预警模块230，用于将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案。
在本发明的一个实施例中，温度安全阈值包括第一安全阈值T1、第二安全阈值T2和第三安全阈值T3，其中，第三安全阈值T3大于第二安全阈值，第二安全阈值T2大于第一安全阈值T1。
图6为本发明履带支重轮温度监控装置第二实施例的示意图。与图5所示实施例相比，在图6所示实施例中，所述装置还可以包括温度存储模块240和数据上传模块250，其中：
温度存储模块240，用于实时存储支重轮当前工作温度。
数据上传模块250，用于以第二预定时间间隔，将采集的支重轮工作温度数据上传给云端服务器。
基于本发明上述实施例提供的履带支重轮温度监控装置，通过对支重轮温度进行实时采样和分析，可以对支重轮工作状态进行及时有效的监控，基于采集的温度数据，可以分析出温度工作走势并对温度变化做出预判和相应预警；其次，本发明上述实施例中设置了多个温度安全阈值，对应地，给出了不同温度限定值对应的预警方案，以实现多种温度状态的预警，提醒驾驶员采用不同的应对方案缓解支重轮工作温度过热，及时停车冷却或及时更换，提高支重轮的使用稳定性和可靠性；此外，本发明上述实施例中加入了数据上传功能，便于工程技术人员对异常数据进行分析，进一步，用于支重轮性能的改进。
在本发明一个实施例中，所述第二预定时间间隔为12小时。
在本发明一个实施例中，数据上传模块250用于在检测发动机是否已经停机或者工作装置没有动作信号，确保设备处于非工作状态条件下，才采集的支重轮工作温度数据上传给云端服务器。
在本发明一个具体实施例中，履带支重轮温度监控系统在发动机启动后开始采集数据，启动5min后开始在驾驶员终端显示，数据采集频率设定为5次/s，所有实时采集数据存入指定路径下的Excel文件并以当天日期命名文件。从发动机启动开始，每隔12小时数据自动上传云端，数据上传过程中，驾驶员终端会出现提示驾驶员停止作业的提示信息。若发动机开机后不足12小时停机，则在 下次开机启动时，上次保存的温度实时数据会首先上传，上传完成后再开始新的记录。
驾驶员也可以手动上传数据，但不推荐驾驶员在作业过程中进行上传操作，手动上传需用到专用外设硬件，外设连接到驾驶员终端之后，系统会检测发动机是否已经停机或者工作装置没有动作信号，确保设备处于非工作状态条件下系统才会允许外设对系统内部文件进行读写操作，保证操作的安全。
图7为本发明一个实施例中温度预警模块的示意图。如图7所示，图5或图6实施例所述的温度预警模块230可以包括温度比较器231和预警控制器232，其中：
温度比较器231，用于将支重轮当前工作温度与第一安全阈值T1、第二安全阈值T2和第三安全阈值T3进行比较。
预警控制器232，用于在支重轮当前工作温度小于第一安全阈值T1的情况下，判定当前工作温度在正常范围内，指示报警装置发出第一预警信号；在支重轮当前工作温度处于第一安全阈值T1与第二安全阈值T2之间的情况下，判定当前工作温度处于预警区间，指示报警装置发出第二预警信号；在支重轮当前工作温度处于第二安全阈值T2与第三安全阈值T3之间的情况下，判定当前工作温度处于危险区间，指示报警装置发出第三预警信号；以及在支重轮当前工作温度大于第三安全阈值T3的情况下，判定当前工作温度处于失效区间，指示报警装置发出第四预警信号。
在本发明的一个实施例中，报警装置300可以包括驾驶员终端、以及设置在驾驶室的指示灯和蜂鸣器。
在本发明的另一实施例中，履带支重轮的实时工作温度值以及当前温度状态会实时显示在驾驶员终端。
在本发明的一个具体实施例中，T1为60℃，T2为90℃，T3为120℃。工作温度在60℃以下定义为安全区间，在终端显示为绿色；工作温度在60℃-90℃区间为预警区间，在终端显示为黄色；工作温度在90℃-120℃区间为危险区间，在终端显示为橙色；温度在120℃以上为失效区间，在终端显示为红色。
在本发明的一个具体实施例中，预警控制器232可以用于在支重轮当前工作 温度小于第一安全阈值T1的情况下，判定当前工作温度在正常范围内，指示驾驶员终端显示绿色，并指示驾驶室内绿色指示灯常亮；在支重轮当前工作温度处于第一安全阈值T1与第二安全阈值T2之间的情况下，判定当前工作温度处于预警区间，指示驾驶员终端显示黄色，并指示驾驶室内黄色指示灯闪烁；在支重轮当前工作温度处于第二安全阈值T2与第三安全阈值T3之间的情况下，判定当前工作温度处于危险区间，指示驾驶员终端显示橙色，并指示驾驶室内黄色指示灯常亮；在支重轮当前工作温度大于第三安全阈值T3的情况下，判定当前工作温度处于失效区间，指示驾驶员终端显示红色，并指示驾驶室内红色指示灯常亮。
在本发明的一个实施例中，如图7所示，所述温度预警模块230还可以包括第一温度走势判断模块233、第二温度走势判断模块234和第三温度走势判断模块235中的至少一个，其中：
第一温度走势判断模块233，用于在支重轮当前工作温度处于第一安全阈值T1与第二安全阈值T2之间的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器232执行判定当前工作温度处于预警区间，指示报警装置发出第二预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器231执行将支重轮当前工作温度与第一安全阈值T1、第二安全阈值T2和第三安全阈值T3进行比较的操作。
第二温度走势判断模块234，用于在支重轮当前工作温度处于第二安全阈值T2与第三安全阈值T3之间的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器232执行判定当前工作温度处于危险区间，指示报警装置发出第三预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器231执行将支重轮当前工作温度与第一安全阈值T1、第二安全阈值T2和第三安全阈值T3进行比较的操作。
第三温度走势判断模块235，用于在支重轮当前工作温度大于第三安全阈值 T3的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器232执行判定当前工作温度处于失效区间，指示报警装置发出第四预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器231执行将支重轮当前工作温度与第一安全阈值T1、第二安全阈值T2和第三安全阈值T3进行比较的操作。
图8为本发明履带支重轮温度监控方法一个实施例的示意图。优选的，本实施例可由本发明履带支重轮温度监控装置执行。如图8所示，该方法包括以下步骤：
步骤81，实时获取支重轮当前工作温度。
步骤82，通过监控支重轮当前工作温度实现对支重轮工作状态的监控。
在本发明的一个实施例中，步骤82可以包括：基于温度数据分析出温度工作走势并对温度变化做出预判和相应预警。
步骤83，将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案。
在本发明的一个实施例中，图8实施例的方法还可以包括：实时存储支重轮当前工作温度；以第二预定时间间隔，将采集的支重轮工作温度数据上传给云端服务器。
在本发明的一个实施例中，温度安全阈值包括第一安全阈值T1、第二安全阈值T2和第三安全阈值T3，其中，第三安全阈值T3大于第二安全阈值T2，第二安全阈值T2大于第一安全阈值T1。
图9为本发明一个实施例中温度预警流程的示意图。如图9所示，图8实施例中的步骤83可以包括：
步骤831，将支重轮当前工作温度与第一安全阈值T1进行比较。若支重轮当前工作温度小于第一安全阈值T1，则执行步骤832；若支重轮当前工作温度不小于第一安全阈值T1，则执行步骤833。
步骤832，判定当前工作温度在正常范围内，指示报警装置发出第一预警信 号；之后不再执行本实施例的其它步骤。
在本发明一个实施例中，所述指示报警装置发出第一预警信号的步骤可以包括：指示驾驶员终端显示绿色，并指示驾驶室内绿色指示灯常亮。
步骤833，将支重轮当前工作温度与第二安全阈值T2进行比较。若支重轮当前工作温度小于第二安全阈值T2，则判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势，之后执行步骤834或步骤835；若支重轮当前工作温度不小于第二安全阈值T2，则执行步骤836。
步骤834，若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则判定当前工作温度处于预警区间，指示报警装置发出第二预警信号；之后不再执行本实施例的其它步骤。
在本发明一个实施例中，所述指示报警装置发出第二预警信号的步骤可以包括：指示驾驶员终端显示黄色，并指示驾驶室内黄色指示灯闪烁。
步骤835，若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行步骤831。
步骤836，将支重轮当前工作温度与第三安全阈值T3进行比较。若支重轮当前工作温度小于第三安全阈值T3，则判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势，之后执行步骤837或步骤838；若支重轮当前工作温度不小于第三安全阈值T3，则判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势，之后执行步骤839或步骤840。
步骤837，若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则判定当前工作温度处于危险区间，指示报警装置发出第三预警信号；之后不再执行本实施例的其它步骤。
在本发明一个实施例中，所述指示报警装置发出第三预警信号的步骤可以包括：指示驾驶员终端显示橙色，并指示驾驶室内黄色指示灯常亮。
步骤838，若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行步骤831。
步骤839，若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则判定当前工作温度处于失效区间，指示报警装置发出第四预警信号；之后不再执行本实施例的其它步骤。
在本发明一个实施例中，所述指示报警装置发出第四预警信号的步骤可以包括：指示驾驶员终端显示红色，并指示驾驶室内红色指示灯常亮。
步骤840，若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行步骤831。
基于本发明上述实施例提供的履带支重轮温度监控方法，通过对支重轮温度进行实时采样和分析，可以对支重轮工作状态进行及时有效的监控，基于采集的温度数据，可以分析出温度工作走势并对温度变化做出预判和相应预警；其次，本发明上述实施例中设置了多个温度安全阈值，对应地，给出了不同温度限定值对应的预警方案，以实现多种温度状态的预警，提醒驾驶员采用不同的应对方案缓解支重轮工作温度过热，及时停车冷却或及时更换，提高支重轮的使用稳定性和可靠性；此外，本发明上述实施例中加入了数据上传功能，便于工程技术人员对异常数据进行分析，进一步，用于支重轮性能的改进。
在上面所描述的履带支重轮温度监控装置可以实现为用于执行本申请所描述功能的通用处理器、可编程逻辑控制器(PLC)、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。
至此，已经详细描述了本发明。为了避免遮蔽本发明的构思，没有描述本领域所公知的一些细节。本领域技术人员根据上面的描述，完全可以明白如何实施这里公开的技术方案。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
本发明的描述是为了示例和描述起见而给出的，而并不是无遗漏的或者将本发 明限于所公开的形式。很多修改和变化对于本领域的普通技术人员而言是显然的。选择和描述实施例是为了更好说明本发明的原理和实际应用，并且使本领域的普通技术人员能够理解本发明从而设计适于特定用途的带有各种修改的各种实施例。

Claims (15)

  1. 一种履带支重轮温度监控方法，其特征在于，包括：
    实时获取支重轮当前工作温度；
    通过监控支重轮当前工作温度实现对支重轮工作状态的监控；
    将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案。
  2. 根据权利要求1所述的方法，其特征在于，所述通过监控支重轮当前工作温度实现对支重轮工作状态的监控包括：
    基于温度数据分析出温度工作走势并对温度变化做出预判和相应预警。
  3. 根据权利要求1所述的方法，其特征在于，
    温度安全阈值包括第一安全阈值、第二安全阈值和第三安全阈值，其中，第三安全阈值大于第二安全阈值，第二安全阈值大于第一安全阈值；
    所述将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案包括：
    将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较；
    在支重轮当前工作温度小于第一安全阈值的情况下，判定当前工作温度在正常范围内，指示报警装置发出第一预警信号；
    在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，判定当前工作温度处于预警区间，指示报警装置发出第二预警信号；
    在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，判定当前工作温度处于危险区间，指示报警装置发出第三预警信号；
    在支重轮当前工作温度大于第三安全阈值的情况下，判定当前工作温度处于失效区间，指示报警装置发出第四预警信号。
  4. 根据权利要求3所述的方法，其特征在于，
    在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，所述方法包括：
    判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；
    若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则执行判定当前工作温度处于预警区间，指示报警装置发出第二预警信号的步骤；
    若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的步骤；
    和/或，
    在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，所述方法包括：
    判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；
    若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则执行判定当前工作温度处于危险区间，指示报警装置发出第三预警信号的步骤；
    若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的步骤；
    和/或，
    在支重轮当前工作温度大于第三安全阈值的情况下，所述方法包括：
    判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；
    若当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势，则判定当前工作温度处于失效区间，指示报警装置发出第四预警信号；
    若当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势，则将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的步骤。
  5. 根据权利要求1所述的方法，其特征在于，还包括：
    实时存储支重轮当前工作温度；
    以第二预定时间间隔，将采集的支重轮工作温度数据上传给云端服务器。
  6. 一种履带支重轮温度监控装置，其特征在于，包括温度获取模块、温度监控模块和温度预警模块，其中：
    温度获取模块，用于实时获取支重轮当前工作温度；
    温度监控模块，用于通过监控支重轮当前工作温度实现对支重轮工作状态的监控；
    温度预警模块，用于将支重轮当前工作温度与至少一个温度安全阈值进行比较，给出相应的预警方案。
  7. 根据权利要求6所述的装置，其特征在于，
    温度监控模块用于基于温度数据分析出温度工作走势并对温度变化做出预判和相应预警。
  8. 根据权利要求6所述的装置，其特征在于，
    温度安全阈值包括第一安全阈值、第二安全阈值和第三安全阈值，其中，第三安全阈值大于第二安全阈值，第二安全阈值大于第一安全阈值；
    所述温度预警模块包括温度比较器和预警控制器，其中：
    温度比较器，用于将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较；
    预警控制器，用于在支重轮当前工作温度小于第一安全阈值的情况下，判定当前工作温度在正常范围内，指示报警装置发出第一预警信号；在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，判定当前工作温度处于预警区间，指示报警装置发出第二预警信号；在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，判定当前工作温度处于危险区间，指示报警装置发出第三预警信号；以及在支重轮当前工作温度大于第三安全阈值的情况下，判定当前工作温度处于失效区间，指示报警装置发出第四预警信号。
  9. 根据权利要求8所述的装置，其特征在于，所述温度预警模块还包括第一温度走势判断模块、第二温度走势判断模块和第三温度走势判断模块中的至少一个，其中：
    第一温度走势判断模块，用于在支重轮当前工作温度处于第一安全阈值与第二安全阈值之间的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器执行判定当前工作温度处于预警区间，指示报警装置发出第二预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的操作；
    第二温度走势判断模块，用于在支重轮当前工作温度处于第二安全阈值与第三安全阈值之间的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器执行判定当前工作温度处于危险区间，指示报警装置发出第三预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的操作；
    第三温度走势判断模块，用于在支重轮当前工作温度大于第三安全阈值的情况下，判断当前时刻前第一预定时间间隔内支重轮工作温度是否有上升趋势；在当前时刻前第一预定时间间隔内支重轮工作温度有上升趋势的情况下，指示预警控制器执行判定当前工作温度处于失效区间，指示报警装置发出第四预警信号的操作；在当前时刻前第一预定时间间隔内支重轮工作温度无上升趋势的情况下，将当前时刻前3个温度采集值的均值作为支重轮当前工作温度，之后指示温度比较器执行将支重轮当前工作温度与第一安全阈值、第二安全阈值和第三安全阈值进行比较的操作。
  10. 根据权利要求6所述的装置，其特征在于，还包括温度存储模块和数据上传模块，其中：
    温度存储模块，用于实时存储支重轮当前工作温度；
    数据上传模块，用于以第二预定时间间隔，将采集的支重轮工作温度数据上传给云端服务器。
  11. 一种履带支重轮温度监控系统，其特征在于，包括履带支重轮温度监控装置、温度传感器和报警装置，其中：
    温度传感器，用于检测履带支重轮的当前工作温度；
    履带支重轮温度监控装置，用于对履带支重轮的当前工作温度进行储存和判断，生成与输出预警信息；
    报警装置，用于根据履带支重轮温度监控装置的指示，发出预警信号。
  12. 根据权利要求11所述的系统，其特征在于，还包括数据采集仪，
    数据采集仪，用于将温度传感器中的阻值变化转换成电压变化，并利用桥路保证在高温段的数据采集灵敏度。
  13. 根据权利要求11所述的系统，其特征在于，报警装置包括驾驶员终端、以及设置在驾驶室的指示灯和蜂鸣器，其中：
    驾驶员终端还用于温度信息的现场查阅和远程监控。
  14. 根据权利要求11所述的系统，其特征在于，
    所述履带支重轮温度监控装置为权利要求6-10中任一项所述的履带支重轮温度监控装置。
  15. 根据权利要求14所述的系统，其特征在于，
    温度传感器设置在支重轮内轴座；
    温度传感器与支重轮内轴座之间采用细牙螺纹连接，在温度传感器传感器底部有橡胶密封垫圈。
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