WO2006054434A1 - 建設機械の診断情報提供装置及び建設機械の診断情報表示システム - Google Patents
建設機械の診断情報提供装置及び建設機械の診断情報表示システム Download PDFInfo
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- WO2006054434A1 WO2006054434A1 PCT/JP2005/019767 JP2005019767W WO2006054434A1 WO 2006054434 A1 WO2006054434 A1 WO 2006054434A1 JP 2005019767 W JP2005019767 W JP 2005019767W WO 2006054434 A1 WO2006054434 A1 WO 2006054434A1
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- state quantity
- display
- screen
- failure
- construction machine
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
Definitions
- Construction machine diagnostic information providing apparatus and construction machine diagnostic information display system
- the present invention relates to a construction machine diagnostic information providing apparatus and a construction machine diagnostic information display system, and more particularly, to a construction machine diagnostic information providing apparatus such as a large hydraulic excavator and a construction machine diagnostic information display. About the system.
- Construction machines particularly construction machines such as large hydraulic excavators, are used for debris excavation work in a vast work site, for example.
- This large hydraulic excavator is generally operated continuously in order to improve productivity. For this reason, if an abnormality occurs, the hydraulic shovel must be stopped and repaired, but depending on the degree of abnormality, there may be situations where operation must be suspended for a long period of time. . In this case, the production work by the hydraulic excavator must be interrupted, so the production planning process must be changed.
- Patent Document 1 Japanese Patent Laid-Open No. 7-119183
- the above-described conventional technique acquires operational data only when an abnormality in the engine system is detected, for example, and is useful for subsequent failure diagnosis.
- the hydraulic excavator can be used.
- it is usually necessary to stop the operation of the excavator, and depending on the degree, the operation must be stopped for a long time.
- large excavators are required to operate continuously to improve productivity, and the downtime due to failure must be reduced as much as possible.
- the present invention has been made in view of the above-described problems of the prior art, and its purpose is to detect abnormalities in advance, and to provide information on diagnosis of construction machinery that can suppress downtime of construction machinery.
- An object of the present invention is to provide a providing apparatus and a diagnostic information display system for a construction machine. Means for solving the problem
- a diagnostic information providing apparatus for a construction machine comprises a detection means for detecting an operation state of the construction machine or a state quantity related to the surrounding environment, and a plurality of snapshot items.
- Storage means for storing a combination of a state quantity associated with each item in advance, and state quantity data associated with the combination in accordance with a snapshot item based on an operator's selection command.
- State quantity display control means that is acquired or extracted from the detection signal and displayed on the display means, a calculated value from each state quantity or a plurality of state quantities in the acquired or extracted state quantity data, and a corresponding predetermined reference value
- a faulty part determination means for comparing the range and determining that the corresponding part is faulty if the state quantity or the calculated value is outside a predetermined reference value range
- a defective portion display control means for displaying on the display means the defective portion determined by the combined portion determining means or a state quantity related thereto.
- an engine output decrease symptom may appear as a sign of an abnormality in the engine system. Although this engine output decrease symptom may be perceived sensorily, it may not be generally detected as an abnormality. Many.
- the state quantity display control means displays the state quantity data associated with the snapshot item with the corresponding detection means. The detected signal force is acquired or extracted and displayed on the display means.
- the defective part determination means includes a calculated value from each state quantity or a plurality of state quantities in the acquired or extracted state quantity data (in other words, displayed on the display means) and a corresponding predetermined reference value range ( Compared with a predetermined reference value range set and stored in advance, if the state quantity or calculated value described above is outside the predetermined reference value range, the corresponding part is defective (in detail, an abnormality is detected as a result)
- the faulty part display control means displays the faulty part determined by the faulty part determination means or a state quantity related thereto on the display means.
- the state quantity data associated with the snapshot item based on the operator's selection command is displayed on the display means, and the parts corresponding to the respective state quantities are defective.
- the failure part or the state quantity related thereto is displayed on the display means, so that the operator can detect the abnormality in advance.
- anyone can easily identify the defective part regardless of the serviceman's experience and skill.
- the operation stop time of the hydraulic excavator can be reduced, which can contribute to the improvement of productivity.
- a diagnostic information providing apparatus for a construction machine includes a detection means for detecting an operation state of the construction machine or a state quantity related to the surrounding environment, and a plurality of snapshots.
- a storage means for storing a combination of an item and a state quantity previously associated with each item, and state quantity data within a predetermined time associated with the combination according to a snapshot item according to an operator's selection command
- Recording means for acquiring or extracting from the detection signal of the corresponding detection means and recording it in the storage means, and transition of the state quantity data within the predetermined time stored in the storage means in response to an operator command
- the state quantity display control means for reproducing and displaying on the display means is compared with the calculated value of each state quantity or a plurality of state quantity forces in the state quantity data within the predetermined time and the corresponding predetermined reference value range.
- a defective part determination unit that determines that the corresponding part is defective, and a defective part determined by the defective part determination unit or related thereto
- a faulty part display control means for displaying the state quantity on the display means.
- the state quantity display control means causes the state quantity data within the predetermined time.
- the transition of the image is displayed on the display means.
- the defective portion determination means determines the calculated value from each state quantity or a plurality of state quantities in the state quantity data within a predetermined time (in other words, displayed on the display means) and the corresponding predetermined reference value.
- the defective part display control means is determined by the defective part determining means. The defective part or the state quantity related to it is displayed on the display means.
- the transition of the state quantity data within the predetermined time stored in the storage means according to the operator's command is reproduced and displayed on the display means, and each state quantity is supported. It is determined whether or not the part is defective, and when it is determined to be defective, the defective part or the state quantity related thereto is displayed on the display means, so that the operator can detect the abnormality in advance. Also, anyone can easily identify the defective part regardless of the serviceman's experience and skill. As a result, like the above (1), the operation stop time of the hydraulic excavator can be reduced, which contributes to the improvement of productivity.
- the defective portion determination means compares the state quantity or the calculated value with a plurality of corresponding reference value ranges, respectively, to determine a defect.
- the defect part display control means displays the trouble stage determined by the defective part determination means on the display means.
- the state quantity display control means displays the transition of the state quantity and also displays the state quantity at a predetermined time. Displays the minimum and maximum values.
- a diagnostic information display system for a construction machine comprises: Detection means for detecting a state quantity relating to the operating state of the construction machine or the surrounding environment, display means arranged in the cab of the construction machine, a plurality of snapshot items, and a state quantity associated with each item in advance Storage means for storing a combination of the above and state data associated with the combination according to a snapshot item by an operator's selection command, obtained or extracted from a detection signal of the corresponding detection means, and the display means
- the state quantity display control means to be displayed, the calculated value of each state quantity or a plurality of state quantity forces in the obtained or extracted state quantity data, and the corresponding predetermined reference value range, and the state quantity or the calculated When the value is outside the predetermined reference value range, the corresponding part is determined to be defective by the defective part determination means and the defective part determination means.
- Faulty part display control means for displaying the faulty part or the state quantity related thereto on the display means.
- the diagnostic information display system for a construction machine includes a detection means for detecting an operation state of the construction machine or a state quantity related to the surrounding environment, and the construction machine described above.
- storage means for storing a combination of a plurality of snapshot items and state quantities associated in advance with each item, and a snapshot item according to an operator's selection command,
- the state quantity data associated with the combination within a predetermined time is acquired or extracted from the detection signal of the corresponding detection means and recorded in the storage means, and stored in the storage means in response to an operator command.
- State quantity display control means for reproducing and displaying the transition of the state quantity data within the predetermined time on the display means, and each state quantity or a plurality of states in the state quantity data within the predetermined time
- the calculated value from the state quantity and the corresponding predetermined reference value range are compared, and if the state quantity or the calculated value is outside the predetermined reference value range, the corresponding part is determined to be defective.
- a defective part display control means for displaying the defective part determined by the defective part determining means or a state quantity related thereto on the display means.
- the defective portion determination means compares the state quantity or the calculated value with a plurality of corresponding reference value ranges, respectively, to determine a defect.
- the defective part display control means is determined in stages by the defective part determination means. The determined failure stage is displayed on the display means.
- the state quantity display control means displays the transition of the state quantity and also displays the state quantity at a predetermined time. Displays the minimum and maximum values.
- the state quantity data associated with the snapshot item or the state quantity data within a predetermined time stored in the storage means is displayed on the display means, and the part corresponding to each state quantity is displayed. If it is determined whether or not there is a problem, and if it is determined as a problem, the failure part or the state quantity related thereto is displayed on the display means, so that the operator can detect the abnormality in advance. Also, anyone can easily identify the defective part regardless of the serviceman's experience and skill. As a result, the operation stop time of the hydraulic excavator can be reduced, which can contribute to the improvement of productivity.
- FIG. 1 is a side view showing the structure of a construction machine that is a target of an embodiment of a construction machine diagnosis information providing apparatus according to the present invention.
- FIG. 2 is a diagram showing, together with sensors, a schematic configuration of an example of a hydraulic system mounted on a hydraulic excavator that is an object of application of the embodiment of the construction machine diagnosis information providing apparatus of the present invention shown in FIG. is there.
- FIG. 3 is a side view showing the configuration of the interior of the cab installed in the hydraulic excavator shown in FIG. 1, which is an application target of the embodiment of the diagnostic information providing apparatus for construction machinery according to the present invention.
- FIG. 4 is a top view showing the configuration of the interior of the cab installed in the hydraulic excavator shown in FIG. 1, which is an application target of the embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- FIG. 6 is a front view showing a detailed configuration of a keypad that constitutes an embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- FIG. 7 is a diagram showing a functional configuration of a controller constituting one embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- FIG. 8 is a functional block diagram showing processing functions of the controller constituting one embodiment of the diagnostic information providing apparatus for construction machine according to the present invention.
- a controller manual snapshot item constituting one embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention is a diagram showing an example of a combination of a plurality of state quantities corresponding thereto.
- FIG. 13 is a diagram illustrating an example of a combination of a plurality of state quantities corresponding to an alarm “failure item” corresponding to an automatic snapshot.
- FIG. 16 This shows a screen that is switched and displayed by the screen display control unit provided in the controller constituting the embodiment of the diagnostic information providing apparatus for the construction machine of the present invention during the manual snapshot process.
- FIG. 17 is a diagram showing a menu screen displayed by operating the keypad while the initial screen is displayed on the display device.
- FIG. 18 is a diagram showing details of the state quantity display area in FIG. 16 as an example.
- FIG. 19 Judgment of failure of a radiator by a manual snapshot control unit and a screen display control unit provided in a controller constituting an embodiment of a diagnosis information providing apparatus for a construction machine according to the present invention / control of display processing It is a flowchart showing the procedure content.
- FIG. 20 Failure determination of a cooling fan hydraulic motor by the manual snapshot control unit and the screen display control unit provided in the controller constituting the embodiment of the diagnostic information providing apparatus for the construction machine according to the present invention. It is a flowchart showing the control procedure content of a display process.
- FIG. 21 Failure of cooling water pump and piping system by manual snapshot control unit and screen display control unit provided in the controller constituting the embodiment of the diagnostic information providing apparatus for construction machine according to the present invention. 10 is a flowchart showing the content of a control procedure of determination “display processing”.
- FIG. 1 is a side view showing the structure of a construction machine (in this example, a hydraulic excavator) that is a target of an embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- a construction machine in this example, a hydraulic excavator
- the excavator 1 includes a traveling body 12, a swiveling body 13 provided on the traveling body 12 so as to be turnable, a cab 14 provided on the left side of the front portion of the swiveling body 13, and a front of the swiveling body 13.
- a front work machine (excavation work device) 15 provided as possible.
- the front work machine 15 is provided with a boom 16 rotatably provided on the revolving structure 13, an arm 17 rotatably provided at the tip of the boom 16, and a pivot provided at the tip of the arm 17. It consists of 18 buckets.
- the cab 14 there is a controller 2 (airframe side).
- the excavator 1 has an aircraft weight of several hundred tons and is often used in, for example, a mine or a quarry, and an ultra-large excavator (backhoe type) is taken as an example.
- the illustrated force The application target of the present invention is not limited to this.
- FIG. 2 shows a schematic configuration of an example of a hydraulic system mounted on a hydraulic excavator 1 which is an application target of the embodiment of the diagnostic information providing apparatus for a construction machine of the present invention shown in FIG. FIG.
- the hydraulic system 20 mounted on the hydraulic excavator 1 includes, for example, hydraulic pumps 21a and 21b, boom control valves 22a and 22b, arm control valves 23, packet control valves 24, A turning control valve 25, traveling control valves 26a, 26b, a boom cylinder 27, an arm cylinder 28, a bucket cylinder 29, a turning motor 30, and traveling motors 31a, 31b are provided.
- the hydraulic pumps 21a and 21b are two diesel engines 32 each having a so-called electronic governor type fuel injection device (not shown) (only one is shown in the figure, hereinafter simply referred to as the engine 32).
- the control valve (control valve) 2 2a, 22b to 26a, 26b is the hydraulic pump 21a, 21b and the force of the hydraulic oil supplied to the hydraulic actuators 27-31a, 31 b (flow rate)
- the hydraulic actuators 27 to 31a and 31b drive the boom 16, the arm 17, the knot 18, the swivel body 13, and the traveling body 12.
- These hydraulic pumps 21a, 21b, control valves 22a, 22b to 26a, 26b, and engine 32 are installed in a storage chamber (engine chamber) at the rear of the swivel body 13.
- Control Leno Noreb 22a, 22b to 26a, 26b [On the other hand, the operation Leno 1 device 33, 34, 35, 3 6 is provided.
- the operating lever of the operating lever device 33 When the operating lever of the operating lever device 33 is operated in one direction XI of the cross, the pilot pressure of the arm cloud or the pilot pressure of the arm dump is generated and applied to the arm control valve 23, and the operating lever of the operating lever device 33 is When operated in the other direction X2 of the cross, right-turn pilot pressure or left-turn pilot pressure is generated and applied to the turning control valve 25.
- Sensors 40 to 46, 47a, 47b, 47c and the like are provided in the hydraulic system 20 as described above.
- the sensor 40 is a pressure sensor that detects the boom lift pie-tut pressure as an operation signal of the front work machine 15, and the sensor 41 uses the turning pilot pressure taken out via the shuttle valve 41a as a turning operation signal.
- the sensor 42 is a pressure sensor that detects the traveling pilot pressure taken out through the shuttle valves 42a, 42b, and 42c as a traveling operation signal.
- the sensor 43 is a sensor that detects ON / OFF of the key switch of the engine 32, and the sensor 44 detects the discharge pressure of the hydraulic pumps 21a and 21b taken out via the shuttle valve 44a, that is, the pump pressure.
- the sensor 45 is an oil temperature sensor that detects the temperature (oil temperature) of the hydraulic oil in the hydraulic system 20.
- the sensor 46 is a rotation speed sensor that detects the rotation speed of the engine 32.
- Sensor 47a is a fuel sensor that detects the amount of fuel injected by the fuel injection device of engine 32 (in other words, fuel consumption), and sensor 47b is a pressure sensor that detects the turbo boost pressure of engine 32.
- the sensor 47c is a temperature sensor that detects the temperature of the cooling water (the radiator water) that cools the engine 32 (for example, the temperature at the upper hold and the temperature at the outlet). Also, to avoid the complexity of the figure In addition to this, for example, for the engine 32, for the engine 32, for the engine 32, a sensor for detecting the exhaust temperature for each cylinder, a sensor for detecting the throttle position of the electronic governor device, a sensor for detecting the fuel level, and a battery voltage are detected.
- Sensor cooling pump discharge pressure sensor, intercooler temperature detection sensor, oil cooler inlet / outlet temperature, outlet pressure detection sensor, boom 16 with respect to boom 16
- Sensors sensors that detect atmospheric pressure as the surrounding environment, sensors that detect atmospheric temperature
- Detection signals of these sensors 40 to 46, 47a, 47b, 47c, etc. (hereinafter simply referred to as “sensor 40”, etc., as appropriate) are also sent to the controller 2 and collected.
- the operation lever has been described by taking the case of the hydraulic pilot system as an example.
- the present invention is not limited to this, and a so-called electric lever system may be used.
- the method for detecting the operation state may be the detection signal based on the electrical output (command signal) itself from the operation lever device of the electric lever method, which is not the detection of the pilot pressure.
- the controller 2 collects the operating state of the excavator 1 detected by the sensor 40 and the state quantity related to the surrounding environment, and performs various displays in the cab 14 according to the detection result. It is.
- the most significant feature of the present embodiment is the display mode in the cab 14 thereof.
- FIG. 3 and FIG. 4 respectively show the configuration of the interior of the cab installed in the hydraulic excavator shown in FIG. 1, which is an application target of the embodiment of the construction machine diagnostic information providing apparatus of the present invention. It is a side view and a top view.
- the left and right driving devices can be operated with the hands and feet of the above-described driving operation lever devices 35 and 36.
- Operation levers 35a and 36a are provided.
- the left and right manual operation levers 33a and 34a of the cross operation type of the operation lever devices 33 and 34 described above are provided on both the left and right sides of the seat 14A, respectively.
- Right console 48R is provided on the right side of the seat 14A!
- a display device 50 as a display means and a keypad 51 as an operation means, which constitute a main part of the diagnostic information providing apparatus for a construction machine of the present invention.
- the display device 50 is provided at a position on the front left side of the cab 14 that is slightly higher than the operation lever 33a and at a height position as viewed from the seated operator.
- the keypad 51 is provided on the left side of the operation lever 33a on the left side of the seat 14A and the left console 48L.
- the controller 2 described above is housed in an appropriate location in the cab 14 (for example, below the seat 14A).
- the display device 50 has a basic data display area 50A for displaying basic data necessary for normal operation and a warning / failure display in the display state of the initial screen 100 after the power is turned on. Region 50B.
- the basic data display area 50A includes a tachometer display area 50Aa on one of the two engines 32, a radiator cooling water temperature display area 50Ab, a turbo boost pressure display area 50Ac, and the other engine 32 side.
- a tachometer display area 50Ad, a radiator cooling water temperature display area 50Ae, a turbo boost pressure display area 50Af, a fuel level display area 50Ag, an operating oil temperature display area 50Ah, an atmospheric temperature display area 50Ai, and a battery voltage display area 50Aj are provided.
- the alarm 'failure display area 50B includes an alarm display area 50Ba for displaying an alarm relating to one engine 32 side and various indicators of the two engines, and an alarm relating to the other engine 32 side and the hydraulic system.
- FIG. 6 is a front view showing a detailed configuration of the keypad 51 that constitutes an embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- a keypad 51 includes various buttons “O” button 51a and “X” button. 51b, “*” button 51c, up cursor “ ⁇ ” button 51d, down cursor “I” button 51e, left cursor “” button 5 If, right cursor “ ⁇ ” button 51g, “?” Button 5 lh Therefore, when the operator touches and operates each button by hand, the corresponding operation signal X is output to the controller 2.
- FIG. 7 is a diagram showing a functional configuration of the controller 2 that constitutes an embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- the controller 2 includes input / output interfaces 2a and 2b, a CPU (central processing unit) 2c, a memory 2d, and a timer 2e.
- a CPU central processing unit
- the input / output interface 2a is connected to the front work machine 15, turning, traveling pilot pressure detection signal, engine 32 key switch ON detection signal, pump pressures of pumps 21a, 21b by the sensor 40 and the like described above.
- the CPU 2c performs predetermined calculation processing based on these detection signals! And stores the calculation result in the memory 2d. At that time, a timer (including a clock function) 2e is used as appropriate. You can also use timer 2e to set the interval (cycle) for each detection signal from sensor 40 !
- the controller 2 temporarily stores a ROM as a recording medium storing a control program for causing the CPU 2c to perform the above arithmetic processing or data in the middle of the arithmetic in addition to the above.
- RAM is provided as storage means.
- FIG. 8 is a view showing the construction of an embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- 3 is a functional block diagram showing processing functions of a controller 2 having a configuration.
- the controller 2 includes a signal input processing unit 2A, a basic data display control unit 2B, an alarm display control unit 2C, a failure display control unit 2D, a manual snapshot control unit 2E, and an automatic snapshot control unit 2F. It has a screen display control unit 2G.
- the signal input processing unit 2A takes in the detection signal from each sensor 40 and the operation signal X from the keypad 51, performs a predetermined reception process, and then outputs it to each of the control units 2B to 2G. To do.
- the basic data display control unit 2B corresponds to the basic data display area 50A (see FIG. 5 described above) of the initial screen 100 of the display device 50, and is a sensor 45, 46, 47b, 47c, etc. Based on these engine speed detection signals, radiator cooling water temperature detection signals, turbo boost pressure detection signals, fuel level detection signals, hydraulic oil temperature detection signals, atmospheric temperature detection signals, and battery voltage detection signals, Display signals (basic data display signals) for display corresponding to (basic data) are displayed on tachometer display area 50Aa, 5 OAd of display device 50, radiator cooling water temperature display area 50Ab, 50Ae, turbo boost pressure display area 50 Ac , 50Af, fuel level display area 50Ag, hydraulic oil temperature display area 50Ah, atmospheric temperature display area 50Ai, and battery voltage display area 50Aj.
- the alarm display control unit 2C corresponds to the alarm display areas 50Ba and 50Bb (see Fig. 5 described above) of the initial screen 100 of the display device 50.
- the alarm display control unit 2C generates an alarm availability determination function and generates an alarm display signal. There is a function.
- the alarm availability determination function determines whether or not they are within a predetermined threshold range (non-abnormal range) based on each detection signal (state quantity data) from each sensor 40 and the like described above. To do. If it is not within the predetermined threshold range, it is determined that an alarm should be issued (abnormal condition), and this is output as alarm information to the alarm display signal generation function.
- a predetermined threshold range non-abnormal range
- the alarm display signal generation function receives this alarm information and outputs a display signal (alarm display signal) for displaying the corresponding alarm to the alarm display areas 50Ba and 50Bb of the display device 50.
- a display signal (alarm display signal) for displaying the corresponding alarm to the alarm display areas 50Ba and 50Bb of the display device 50.
- each alarm is displayed by, for example, a predetermined alarm mark in association with its contents.
- alarms related to the engine 32 common to the alarm display areas 50Ba and 50Bb include a fuel level lowering alarm, a radiator cooling water level lowering alarm, a radiator cooling water overheat alarm, an engine exhaust temperature overheating alarm, and the like.
- Examples of alarms related to the hydraulic system in the alarm display area 50Bb include hydraulic oil level low alarms and hydraulic oil overheat alarms.
- the alarm availability determination function may be provided separately outside the controller 2. In other words, it is possible to determine whether each sensor itself is normal or abnormal by comparing with the threshold value, and when it is abnormal, alarm information may be transmitted to the alarm display signal generation function of the controller 2, and for each sensor (or A control device (sub-controller) may be provided for each sensor group that also has a plurality of sensor forces related to a certain degree, and this may send the above judgment and alarm information.
- the alarm display signal from the alarm display signal generation function is used for various displays when the display device 50 is changed from the initial screen 100 to the alarm list screen or later by the operation of the operator (described later). Also input to the screen display control unit 2G.
- the failure display control unit 2D corresponds to the failure display area 50Bc (see Fig. 5 described above) of the initial screen 100 of the display device 50, and includes a failure presence / absence determination function and a failure display signal generation function. is there.
- the failure presence / absence determination function determines whether or not they are in a failure state based on the detection signals (state quantity data) from the sensors 40 and the like described above. For example, the failure state is classified into the following failure modes.
- the failure display signal generation function receives this failure information and outputs a display signal (failure display signal) for performing a corresponding failure display to the failure display area 50Bc of the display device 50.
- a display signal for performing a corresponding failure display to the failure display area 50Bc of the display device 50.
- failure code failure code
- the failure presence / absence determination function may be separately provided outside the controller 2 as with the alarm display control unit 2C.
- the failure display signal from the failure display signal generation function is used for various displays when the display device 50 is changed from the initial screen 100 to the failure list screen or later by the operation of the operator (described later). Also input to the screen display control unit 2G.
- the screen display control unit 2G is responsible for the layout control function of the entire screen of the display device 50.
- the signal input processing unit 2A directly inputs the keypad operation signal.
- X manual snapshot start instruction signal
- automatic snapshot start instruction signal various display signals from manual snapshot control unit 2E and automatic snapshot control unit 2F (described later)
- alarm display signal from alarm display control unit 2C
- a display control signal is output to the display device 50, and the screen is further switched from the initial screen 100 to another screen for display.
- FIG. 9 is an alarm display-side screen transition function and failure by the screen display control unit 2G provided in the controller 2 that constitutes an embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention. It is a flowchart showing the control procedure of the display side screen transition function.
- Fig. 10 shows the screen that is switched and displayed by the screen display control unit 2G by the alarm display side screen transition function
- Fig. 11 is switched by the fault display side screen transition function by the screen display control unit 2G. It shows the displayed screen.
- step 10 the above-described initial screen 100 is displayed on the display device 50.
- the screen display control unit 2G the screen display control unit 2G.
- the judgment in step 20 is satisfied and the alarm side screen transition mode is entered.
- the process proceeds to step 30 and the screen is switched to the alarm list (List-1) screen 101 that displays a list of the contents of the currently occurring alarm ( (See Figure 10).
- step 40 the determination in step 50 is satisfied through step 40, and the process proceeds to step 60.
- step 60 the detailed information screen 102 of the selected alarm is displayed (see FIG. 10).
- a part diagram showing the part where the alarm is generated (for example, the corresponding part of the construction machine specification drawing's blueprint, etc. may be cited), Further, a detailed view (for example, an enlarged view) is displayed.
- a detailed view (for example, an enlarged view) is displayed.
- the operator can easily understand what kind of alarm is generated in which part by seeing a specific diagram.
- the operator operates the “X” button 5 lb on the keypad 51, the judgment in step 70 is satisfied, and the force returns to step 30 to return to the alarm list screen 101 display.
- Keypad 51 “ ⁇ ” button 51g When is operated, the judgment of step 80 is satisfied through step 70, and the routine proceeds to step 90.
- step 90 a circuit diagram screen 103 for the selected alarm occurrence site is displayed (see FIG. 10).
- this screen 103 the position where the part of the alarm occurrence part whose part diagram was previously shown in the detailed information screen 102 is located on the circuit diagram (hydraulic circuit or electric circuit) is displayed. This allows the operator to locate the part on the circuit. It is easy to understand the functional relationship with other parts.
- the “X” button 51b of the keypad 51 the determination in step 100 is satisfied, the process returns to step 60, and the previous detailed information screen 102 is displayed again.
- step 110 when the operator operates the “ ⁇ ” button 5 lg on the keypad 51 in the display state of the initial screen 100 in step 10, the determination in step 110 is satisfied through step 20 and the failure side screen is displayed.
- the system enters the transition mode, moves to step 120, and switches to the failure list (List-2) screen 104 that displays a list of the contents of the currently occurring failure (see FIG. 11).
- the cursor position in the screen 104 moves up and down in the screen 104.
- the judgment of step 130 is satisfied, and the power returns to step 10 and returns to the initial screen 100.
- the determination of step 140 is satisfied through step 130, and the routine proceeds to step 150.
- step 150 the detailed information screen 105 of the selected failure is displayed (see FIG. 11).
- this screen 105 in addition to the name of the fault, its detailed content, a part diagram showing the part where the fault has occurred (for example, the corresponding part of the construction machine's specification drawing 'design drawing etc. may be cited), Further, a detailed view (for example, an enlarged view) is displayed.
- the operator can easily understand what kind of failure has occurred in which part by seeing a specific diagram.
- the operator operates the “X” button 5 lb on the keypad 51
- the judgment in step 160 is satisfied and the process returns to step 120 to return to the failure list screen 104 display.
- the “ ⁇ ” button on the keypad 51 If 51g is operated, the judgment of step 170 is satisfied through step 160, and the routine proceeds to step 180.
- step 180 a circuit diagram screen 106 for the selected failure occurrence site is displayed (see FIG. 11).
- the position of the fault occurrence part whose part diagram was previously shown on the detailed information screen 105 is displayed on the circuit diagram (hydraulic circuit or electric circuit).
- the process returns to step 150, and the previous detailed information screen 105 is displayed again.
- the manual snapshot control unit 2E for example, an operator who wanted to know the cause of the malfunction of the machine wanted to perform short-term intensive collection of various data manually at his own will.
- a manual snapshot function is executed for this purpose.
- the manual snapshot control unit 2E includes an intermediate processing unit 2Ea, a manual snapshot processing unit 2Eb, a storage processing unit 2Ec, and a reproduction processing unit 2Ed.
- the intermediate processing unit 2Ea performs the primary processing of the state quantity data.
- All the detection signals sent at a predetermined interval are all taken in via the signal input processing unit 2A, for example, each sensor unit (or each state quantity unit). After classifying and journaling data, store and store in a time series.
- the manual snapshot processing unit 2Eb is based on a manual snapshot instruction signal (indicating an item to be manually snapshot, details will be described later) input from the keypad 51 via the signal input processing unit 2A. State quantity data corresponding to the instruction is extracted and read from the intermediate processing unit 2Ea, and the state quantity within a predetermined time according to the manual snapshot start signal input from the keypad 51 via the signal input processing unit 2A Create data as manual snapshot data.
- the manual snapshot processing unit 2Eb stores in advance a map of a combination of a plurality of state quantities corresponding to the snapshot item. FIG. 12 shows an example of this.
- the manual snapshot processing unit 2Eb performs the above extraction with reference to a map as shown in FIG.
- the storage processing unit 2Ec performs the manual snapshot processing unit 2Eb as described above.
- the manual snapshot data created in step 1 is stored and stored, and the stored manual snapshot data is stored in an external storage device outside the controller 2 (for example, non-volatile) in response to an appropriate instruction signal (for example, key switch OFF signal) from the operator.
- an appropriate instruction signal for example, key switch OFF signal
- the playback processing unit 2Ed is instructed based on a playback instruction signal (instructing manual snapshot data to be played back a moving image, details will be described later) input from the keypad 51 via the signal input processing unit 2A.
- Manual snapshot data corresponding to is extracted and read from the storage processing unit 2Ec, and video playback (also as a still image) of the manual snapshot data is performed according to the instructions (details will be described later).
- the automatic snapshot control unit 2F automatically performs short-term concentration of various types of data regardless of the will of the operator when the alarm display control unit 2C or the failure display control unit 2D performs an alarm or failure display.
- the collection is executed.
- the automatic snapshot control unit 2F includes an intermediate processing unit 2Fa, an automatic snapshot processing unit 2Fb, a storage processing unit 2Fc, and a reproduction processing unit 2Fd.
- the intermediate processing unit 2Fa performs primary processing of the state quantity data.
- All the detection signals sent at a predetermined interval are all taken in via the signal input processing unit 2A, for example, each sensor unit (or each state quantity unit). After classifying and journaling data, store and store in a time series.
- the automatic snapshot processing unit 2Fb includes storage means capable of continuously storing (for example, a so-called ring buffer that continuously stores a predetermined amount of time by overwriting and updating), as described above.
- the state quantity data classified and stored by the intermediate processing unit 2Fa is extracted and read from the intermediate processing unit 2Fa, and automatic snapshot primary data is continuously created and updated.
- a map of a combination of a plurality of state quantities corresponding to an alarm “failure item” is stored in advance. Figure 13 shows an example of this.
- the corresponding state quantities are “atmospheric temperature”, “cooling water upper manifold temperature”, and “rajtor front air”.
- the coolant pump discharge pressure Z upper hold pressure may be calculated by calculating in the controller 2 after each detection, for example.
- the automatic snapshot primary data is created and overwritten while referring to a map as shown in FIG.
- the data stored in the ring buffer or the like is within a predetermined time range based on the signal input time (for example, before Automatic snapshot primary data (1 minute, 5 minutes later) is extracted from the above ring buffer, etc., and read to create automatic snapshot data (final data).
- the storage processing unit 2Fc stores the 'automatic snapshot (final) data created by the automatic snapshot processing unit 2Fb as described above and stores it appropriately.
- the stored automatic snapshot data is stored in an external storage device 3 (eg, non-volatile memory, flash memory, etc.) 3 outside the controller 2 in response to an instruction signal (eg, key switch OFF signal).
- an instruction signal eg, key switch OFF signal
- the reproduction processing unit 2Fd is based on a reproduction instruction signal (instruction for selecting an alarm / failure during automatic snapshot data reproduction, details will be described later) input from the keypad 51 via the signal input processing unit 2A. Then, the automatic snapshot data corresponding to the instruction is extracted from the storage processing unit 2F c and read, and the automatic snapshot data is played back as a moving image (may be a still image) (details will be described later).
- FIG. 14 shows a screen display control unit 2G, a manual snapshot control unit 2E, and an automatic snapshot control provided in the controller 2 that constitutes an embodiment of the diagnostic information providing apparatus for a construction machine according to the present invention.
- 4 is a flowchart showing a control procedure of a manual snapshot processing function and an automatic snapshot processing function by the part 2F.
- Fig. 15 shows the screen displayed by the screen display control unit 2G during automatic snapshot processing.
- Fig. 16 shows the screen displayed by the screen display control unit 2G during manual snapshot processing. Picture It represents the surface.
- step 210 when the above-described initial screen 100 is displayed on the display device 50, when the operator operates the “O” button 51a of the keypad 51, the corresponding keypad operation signal X is input as a signal.
- the processing unit 2A force is input to the screen display control unit 2G (the same applies hereinafter), the determination of step 210 is satisfied, and the routine proceeds to step 220 where the (service) menu screen 110 is displayed.
- FIG. 17 shows the menu screen 110. As shown in FIG. As shown in the figure, this screen 110 displays a list of current and past alarms / failures (after which automatic snapshot data can be played back), and executes an “alarm failure list” button 110a and a manual snapshot. A “Manual Manual Snapshot” button 110b is provided for!
- step 111 On this screen 111, the name of the alarm or failure and the date and time when it occurred are displayed roughly. As a result, the operator can easily recognize what kind of trouble has occurred in the past with respect to the machine that he or his (or predecessor predecessor) operates. Then, when the operator operates the “ ⁇ ” and “ ⁇ ” buttons 51d and 51e on the keypad 51, the cursor position in the screen 111 moves up and down. When the “O” button 51a of the keypad 51 is operated with one alarm or failure data selected in this way, the determination in step 250 is satisfied, and the routine proceeds to step 260.
- step 260 the screen display control unit 2G shifts to a screen that displays details of the selected alarm or failure, or is automatically collected and stored at that time. Details of transition to data playback screen ⁇ Switched to playback selection screen 112 (the state of screen 112a or 112b described later) (see FIG. 15).
- the “detail” button or the “snapshot playback” button can be selected according to the cursor position in the screen 112. The operator selected “Details" If the “ ⁇ ” button 51a of the keypad 51 is operated in the state (screen 112a in FIG. 15), the determination in step 270 is satisfied, and the routine proceeds to step 280.
- step 280 a detailed information screen of the selected alarm or failure is displayed (not shown). This screen is similar to the previously described screen 102 (see Fig. 10 above) or screen 105 (see Fig. 11 above). In addition to the name of the alarm or failure, its details, alarm or failure A part view showing the part that has occurred and a detailed view (for example, an enlarged view) are displayed.
- the determination in step 290 is satisfied and the force returns to step 260 to return to the previous screen 112 display.
- the determination in step 300 is satisfied through step 290, and the process proceeds to step 310.
- step 310 a circuit diagram screen for the selected alarm or failure occurrence site is displayed (not shown). This screen is the same as the screen 103 (see Fig. 10 above) or the screen 106 (see Fig. 11 above) described above. The position of the part on the circuit diagram (hydraulic circuit or electric circuit) is displayed.
- the determination in step 320 is satisfied, the process returns to step 280, and the previous detailed information screen display is restored.
- Step 260 Details of Step 260 ⁇ Playback selection screen 112
- the operator selects the “snapshot playback” button (screen 112b in FIG. 15).
- the determination in step 330 is satisfied via step 270, and the process proceeds to step 340.
- step 340 the reproduction processing unit 2Fd uses the moving image to generate the automatic snapshot data generated by the automatic snapshot processing unit 2Fb and stored in the storage processing unit 2Fc in relation to the selected alarm or failure.
- the video playback screen to be played is displayed.
- an area for displaying an automatic snapshot item name for example, “cooling water overheat warning”
- an area for displaying the transition of each state quantity over time for example, “cooling water overheat warning”
- the determination in step 350 is satisfied, and the process returns to step 260 to return to the previous screen 112 display.
- step 220 the operator operates the “ ⁇ ” “ ⁇ ” buttons 5 Id, 5 le on the keypad 51 to select the “monitor / manual snapshot” button 110b.
- the “O” button 51a on the keypad 51 is operated, the determination in step 360 is satisfied through step 230 and the manual snapshot side screen transition mode is entered, then the flow proceeds to step 370, and the screen display control unit 2G performs snapping.
- the current state quantity data associated with the shot item is displayed, the power to move to the monitor screen to create and record the manual snapshot data, and the transition to the playback screen to play the stored manual snapshot data that has already been stored
- the monitor / playback selection screen 113 (the state of the screen 113a or 113b described later) is displayed (see Fig. 16).
- the “monitor Z record Z play” button force “record data play” button can be selected according to the cursor position in the screen 113. If the operator selects the “Monitor Z Record Z Play” button (screen 113a in FIG. 16) and operates the “O” button 51a on the keypad 51, the determination at Step 380 is satisfied, and the routine proceeds to Step 390.
- step 390 the screen display control unit 2G switches to the manual snapshot item screen 114 (see FIG. 16).
- the engine item button 114A in FIG. 16, the “left engine”, “right engine”, “common engine” button) button for selecting the engine 32 target
- Snapshot item button 114B as explained (In Fig. 16, “engine output drop” “abnormal combustion / supply / exhaust abnormality” “main pump system operation check” “main pump system solenoid valve check” “heat balance” Etc. button).
- step 410 state quantity data corresponding to the selected engine item 114A and snapshot item 114B is fetched.
- the state data corresponding to the above-mentioned selection is selected by the manual snapshot processing unit 2Eb (for example, “high temperature”, “radiator front air temperature”, “radiator outlet temperature”, “cooling water upper manifold temperature”, “cooling fan hydraulic pressure”) Data such as “motor inlet pressure” and “cooling water pressure (cooling water pump discharge pressure Z upper manifold hold pressure)”) are extracted from the intermediate processing unit 2Ea and read, and this state quantity data is read into the screen display control unit 2G. Output.
- the monitor screen 115 includes an area 115A in which snapshot items (“heat balance” in FIG. 16) are displayed, and a plurality of state quantity display areas 115B in which transitions of the respective state quantities are displayed.
- FIG. 18 is a diagram illustrating details of the state quantity display area 115B of the monitor screen 115 as an example.
- 115Ba is a background area
- 115Bb is a bar display area having both the minimum and maximum possible detection (or display) of the state quantity as 115Bc Is a display bar that moves left and right in the bar display area 115Bb and displays the transition of the state quantity.
- 115Bd and 115Be are displayed for a predetermined time (for example, until the monitor screen 115 is switched to another screen)
- the minimum display bar and the maximum display bar respectively represent the minimum and maximum values of the state quantity during the period of (1).
- the operator can easily see the fluctuation amount as well as the transition of each state quantity.
- the display color of the area between the minimum display bar 115Bd and the maximum display bar 115Be in the bar display area 115Bb may be changed so that it can be identified.
- an area 115Bf for displaying numerical values corresponding to the display bar 115Bc, and areas 115Bg and 115Bh for displaying numerical values corresponding to the minimum display bar 115Bd and the maximum display bar 115Be, respectively, are provided.
- the manual snapshot processing unit 2Eb is extracted and read from the intermediate processing unit 2Ea in association with the selected snapshot item (in other words, displayed on the monitor screen 115).
- the selected snapshot item in other words, displayed on the monitor screen 115.
- a calculated value calculated by a predetermined calculation process from each state quantity or a plurality of state quantities with a corresponding predetermined reference value range (a preset reference value range)
- a display signal (defective part display signal) for displaying a defective part is output to the control display part 2G and is displayed on the screen by the screen control display part 2G.
- FIG. 19 is a flowchart showing the contents of the control procedure in the failure determination / display process of the radiator
- FIG. 20 is a flowchart showing the contents of the control procedure of the failure determination of the cooling fan hydraulic motor 'display process
- FIG. 21 is a flowchart showing the contents of the control procedure of the failure determination / display processing of the cooling water pump and the piping system.
- step 510 the manual snapshot processing unit 2Eb determines whether one engine speed E of the state quantity data captured as described above is high at a predetermined speed Ere set and stored in advance. judge. If the engine speed E is higher than the predetermined engine speed Eref, the determination at step 510 is satisfied, and the routine proceeds to step 520.
- step 520 the temperature difference ⁇ Trad between the upper manifold temperature of the cooling water and the atmospheric temperature in the acquired state quantity data is calculated.
- step 530 for example, a predetermined first reference value ⁇ Trel ⁇ is read from the internal memory, and it is determined whether or not the calculated temperature difference ⁇ Trad is larger than the first reference value ⁇ Tref1.
- Step 540 a normal display signal corresponding to the failure of the radiator (or the state quantity “atmosphere temperature” “cooling water manifold hold temperature”) is output from the manual snapshot processing unit 2Eb, and the screen display is displayed.
- the control unit 2G displays the background area 115Ba of the state quantity display area 115B of “atmosphere temperature” and “cooling water manifold temperature” in a normal color (for example, light aqua color).
- step 550 for example, a predetermined second reference value A Tref2 (where A Trel2> A Trefl) is read from the internal memory, and it is determined whether or not the calculated temperature difference ATrad force is greater than the second reference value ⁇ Tref2.
- a Tref2 in other words, A Tref2 ⁇ ATrad> Trefl
- it is determined that there is a slight malfunction in the radiator the determination of step 550 is not satisfied, and step 560 Move.
- step 560 the first-stage failure indication signal corresponding to the presence or absence of a problem with the radiator (or the state quantity “air temperature” or “cooling water hold temperature”) from the manual snapshot processing unit 2Eb is output. Then, the screen display control unit 2 G changes the background area 115Ba of the state quantity display area 115B of “atmospheric temperature” and “cooling water hold temperature” to, for example, yellow or the like (display color in the first stage of the defect).
- Step 570 the manual snapshot processing unit 2Eb outputs a second-stage failure indication signal corresponding to the failure of the radiator (or the state quantity related to this “atmospheric temperature” “cooling water hold temperature”). Then, the screen display control unit 2G changes the background area 115Ba of the state quantity display area 115B of “atmosphere temperature” and “cooling water manifold temperature” to, for example, red or the like (the second stage display color).
- Step 580 it is determined whether the monitor screen 115 has been switched to another screen. Satisfied and the problem determination of the radiator ⁇ Display processing ends. On the other hand, if the monitor screen 115 cannot be switched, the determination in step 580 is not satisfied, and the procedure returns to step 510 described above to repeat the same procedure as described above.
- step 610 it is determined whether one engine speed E of the state quantity data captured by the manual snapshot processing unit 2Eb force is higher than a predetermined speed Ere preset and stored. If the engine speed E is higher than the predetermined speed Ere, the determination in step 610 is satisfied, and the routine proceeds to step 620.
- step 620 for example, a predetermined first reference value Pfon_refl is read from the internal memory for the inlet pressure Pfon of one cooling fan hydraulic motor of the acquired state quantity data, and the inlet pressure Pfon of the cooling fan hydraulic motor is calculated. It is determined whether it is larger than a predetermined first reference value Pfon_refl.
- the inlet pressure Pfon of the cooling fan hydraulic motor is equal to or lower than a predetermined first reference value Pfon_refl. In this case, it is determined that there is no malfunction in the cooling fan hydraulic motor, the determination in step 620 is not satisfied, and the routine proceeds to step 630.
- Step 630 a normal display signal corresponding to the absence of a malfunction of the cooling fan hydraulic motor (or the state quantity related to this "cooling fan hydraulic motor inlet pressure") is output from the manual snapshot processing unit 2Eb, and the screen display control is performed.
- the background area 115Ba of the state quantity display area 115B of the “cooling fan hydraulic motor inlet pressure” is displayed in the normal color (for example, light blue) by the part 2G.
- step 640 for example, a predetermined second reference value Pfon_ref2 (where Pfon_ref2> Pfon_refl) is read from the internal memory, and it is determined whether or not the inlet pressure Pfon force of the cooling fan hydraulic motor is greater than the second reference value Pfon_ref2.
- Step 650 the manual snapshot processing unit 2 Eb outputs a first stage failure indication signal corresponding to the presence of a slight failure in the cooling fan hydraulic motor (or the related state quantity “cooling fan hydraulic motor inlet pressure”). Then, the screen display control unit 2G changes the background area 115Ba of the state quantity display area 115B of the “cooling fan hydraulic motor inlet pressure” to yellow or the like (display color in the first stage of the malfunction), for example.
- Step 660 a second stage failure indication signal corresponding to the presence of a failure in the cooling fan hydraulic motor (or the state quantity “cooling fan hydraulic motor inlet pressure”) is output from the manual snapshot processing unit 2Eb. Then, the screen display control unit 2G changes the background area 115Ba of the state quantity display area 115B of the “cooling fan hydraulic motor inlet pressure” to, for example, red or the like (display color in the second stage of failure).
- Step 670 It is determined whether or not the screen screen 115 is switched to another screen. If the screen is switched, the determination is satisfied, and the cooling fan hydraulic motor failure determination 'display process ends. On the other hand, if the monitor screen 115 cannot be switched, the determination in step 670 is not satisfied, and the procedure returns to step 610 described above to repeat the same procedure.
- step 710 the manual snapshot processing unit 2Eb determines whether one engine speed E of the captured state quantity data is higher than a predetermined speed Ere preset and stored. If the engine speed E is higher than the predetermined speed Ere, the determination at step 710 is satisfied, and the routine proceeds to step 720.
- step 720 for example, a predetermined first reference value PracLrefl is read from the internal memory for one cooling water pressure Prad of the acquired state quantity data, and whether or not the cooling water pressure Prad is larger than the predetermined first reference value Prad_refl. Determine.
- Step 720 a normal display signal corresponding to the absence of a malfunction of the cooling water pump and the piping system (or the state quantity “cooling water pressure” related thereto) is output from the manual snapshot processing unit 2Eb, and is displayed by the screen display control unit 2G.
- "Cooling water pressure" state quantity display area 1 The background area 115Ba of 15B is displayed in a normal color (for example, light water color).
- Step 740 for example, a predetermined second reference value Prad_ref2 (where Prad_ref2> Pfrad_refl) is read from the internal memory, and it is determined whether or not the cooling water pressure Prad is greater than the second reference value Prad_ref2. If the cooling water pressure Prad is less than or equal to the predetermined second reference value Prad_ref2 (in other words, Prad_ref2 ⁇ Prad> PracLrefl), it is determined that there is a slight problem with the cooling water pump and the piping system.
- Prad_ref2 where Prad_ref2> Pfrad_refl
- Step 750 the first-stage failure indication signal corresponding to the presence of some failure in the cooling water pump and piping system (or the related state quantity “cooling water pressure”) is output from the manual snap sailboat processing unit 2Eb and displayed on the screen.
- the background area 115Ba of the state quantity display area 115B of the “cooling water pressure” by the control unit 2G For example, change the color to yellow, etc. (display color in the first stage of the defect).
- step 760 the manual snapshot processing unit 2Eb outputs a second stage failure display signal corresponding to the presence of a failure in the cooling water pump and piping system (or state quantity “cooling water pressure” related to this), and the screen display
- the control unit 2G changes the background area 115Ba of the “cooling water pressure” state quantity display area 115B to, for example, red or the like (display color in the second stage of failure).
- Step 770 determines whether or not the motor screen 115 is switched to another screen. If switched, the determination is satisfied. This completes the “judgment determination” display process for the cooling water pump and piping system. On the other hand, if the monitor screen 115 cannot be switched, the determination in step 770 is not satisfied, and the procedure returns to step 710 described above to repeat the same procedure as described above.
- the monitor screen 115 displays the transition of the state quantity data associated with the snapshot item selected by the operator, and changes the display color of the background area 115Ba of the state quantity display area 115B. If there is a problem with each state quantity and corresponding part, it will be displayed step by step whether or not it is!
- the operator operates the “ ⁇ ”, “ ⁇ ”, “” “ ⁇ ” buttons 51d, 51e, 51f, 51g on the keypad 51 to display the state quantity display area.
- the cursor position on 115B moves up, down, left and right.
- the “?” Button 5 lh on the keypad 51 is operated while the state quantity display area 115B in which the background area 115Ba is changed to yellow or red is selected, the corresponding defect detailed information screen 116 is displayed. (See Figure 16). In this screen 116, in addition to the name of the defect (in Fig.
- step 420 when the operator operates the “X” button 51b on the keypad 51 in the display state of the monitor screen 115 in step 410, the determination in step 420 is satisfied, and the processing returns to step 390.
- the display returns to the screen 114, but if the “O” button 51a on the keypad 51 is operated, the determination in step 430 is satisfied through step 420, and the process proceeds to step 440.
- a manual snapshot start signal is input from the signal input processing unit 2A to the manual snapshot processing unit 2Eb, and the manual snapshot processing unit 2Eb receives the state quantity data corresponding to the above selection within a predetermined time. (It may be a pre-set range before or after manual snapshot instruction, or the operator can specify the time range itself.) Create snapshot data. Thereafter, the process proceeds to step 450, where the storage processing unit 2Ec records and stores the manual snapshot data created by the manual snapshot processing unit 2Eb. Between these steps 440 and 450, the corresponding screen display is performed by the screen display control unit 2G. After step 450 is completed, the process returns to step 410 and the screen 115 is displayed.
- step 370 the monitor's playback selection screen 113 in step 370 is displayed, and the operator selects the "Monitor Z recording Z playback" button (screen 113b in Fig. 16).
- step 460 the determination in step 460 is satisfied via step 380, and the process proceeds to step 470.
- step 470 the screen display control unit 2G switches to the manual snapshot data list screen 118 (see FIG. 16).
- the name of the manual snapshot data stored and stored (heat balance in FIG. 16) and the date and time when it was performed are schematically displayed. This ensures that the operator (or predecessor, etc. It is easy to recognize what points of the machine were suspicious in the past and have taken manual snapshots.
- the cursor position in the screen 118 moves up and down.
- step 490 the playback processing unit 2Ed displays a moving image playback screen 119 in which the selected manual snapshot data is played back as a moving image (see FIG. 16).
- This screen 119 includes an area 119A for displaying the name and date and time of manual snapshot data, and a state quantity display area 119B for displaying the transition of each past state quantity over time. If the operator operates the “X” button 51b of the keypad 51 while the moving image playback screen 119 is displayed, the determination in step 500 is satisfied, and the processing returns to step 470 and returns to the previous screen 118 display.
- the state quantity display area 119B of the moving image playback screen 119 has the same configuration as the state quantity display area 115B of Fig. 18 described above.
- the manual snapshot processing unit 2Eb includes each state quantity or a plurality of state quantity forces in the selected manual snapshot data (in other words, displayed on the moving image playback screen 119), a calculated value calculated by a predetermined calculation process, By comparing each of the corresponding reference value ranges (reference value ranges set and stored in advance), it is determined whether or not the part corresponding to each state quantity or calculated value is defective. It has become.
- a display signal (defective part display signal) for displaying the defective part is output from the manual snapshot processing unit 2Eb to the screen control display part 2G, and the screen control display part 2G The screen is displayed.
- the video playback screen 119 displays the transition of the state quantity data in the manual snapshot data selected by the operator, and also displays the display color of the background area 115Ba of the state quantity display area 115B (the light blue, yellow, red described above). ) Will cause each state quantity and the corresponding part to malfunction, so that it will be displayed step by step!
- the operator selects the state quantity display area 119B whose background area has been changed to yellow or red, and the keypad 5
- the detailed information screen 116 of the corresponding defect is displayed.
- the operator operates the “X” button 51b on the keypad 51
- the previous screen 115 will be displayed.
- the schematic screen 117 for the location of the failure will be displayed. Is done.
- the display returns to the previous screen 116.
- the menu screen 110 is provided with the buttons 110 ClOd, 110e, and 110f in addition to the buttons 110a and 110b.
- the "maintenance history list" button 110c is not described in detail, but by operating this, the screen display control unit 2G shifts to a maintenance history list display screen (not shown).
- a maintenance history list display screen (not shown).
- every time maintenance work such as lubrication of each part, oil replacement, filter replacement, grease replenishment, element replacement, cooling water replacement, hydraulic oil replacement, etc. is performed on the machine in the past, the maintenance history is recorded by the worker or operator. Data is input and stored separately as maintenance history data in the storage means.
- the maintenance history list display screen reads out and displays the maintenance history.For example, the maintenance items, the time intervals determined in advance (to be replaced) for each item, and the last replacement are actually performed. The time elapsed between the present and the present time is also displayed.
- the “Life” button l lOd is not described in detail, but by operating this, the screen display control unit 2G has collected it by the operating time collection function of each part (not shown) of the controller 2.
- the Life data display screen that displays the accumulated operating time of the machine operation starting power of each part is displayed.
- the "machine information” button 110e is not described in detail, but by operating this, the screen display control unit 2G causes the machine itself to include unique information such as model number, machine number, controller name, The machine information (property) data display screen that displays the software name, version, etc. is displayed.
- the “settings” button 110f will not be described in detail, but by operating this button, the screen display control unit 2G can perform other maintenance cycle settings, alarm ON / OFF settings, etc. Various setting screens for setting are displayed.
- the operator operates the keypad 51 to display the snapshot item screen 114 (see FIG. 16 described above), and the manual snapshot item is displayed. For example, when “heat balance” is selected, state quantity data associated with the selected item is acquired by the manual snapshot control unit 2E and displayed on the monitor screen 115 by the screen display control unit 2G.
- the manual snapshot control unit 2 E uses each state quantity (for example, the inlet pressure Pfon of the cooling fan hydraulic motor, the cooling water pressure Prad, etc.) in the acquired state quantity data (in other words, displayed on the monitor screen 115). ) Or a calculated value from a plurality of state quantities (for example, a temperature difference ⁇ Trad between the upper coolant temperature of the cooling water and the atmospheric temperature) and a plurality of corresponding predetermined reference values, respectively. If the quantity or calculated value is outside the predetermined reference value range, the corresponding part is judged to be faulty (specifically, the fault is such that no abnormality is detected as a result).
- a state quantity for example, the inlet pressure Pfon of the cooling fan hydraulic motor, the cooling water pressure Prad, etc.
- a calculated value from a plurality of state quantities for example, a temperature difference ⁇ Trad between the upper coolant temperature of the cooling water and the atmospheric temperature
- a plurality of corresponding predetermined reference values for example, a temperature difference ⁇ Tra
- the background area 115Ba of the state quantity display area 115B related to the defective part is changed to, for example, yellow or red, it is displayed step by step. Further, when the operator selects and operates the state quantity display area 115B, a detailed information screen 116 for the corresponding defect and a circuit diagram screen 117 for the defective part are displayed.
- the operator when the operator senses abnormal signs such as engine output reduction during driving, the operator operates the keypad 51 to display the monitor screen 115 and gives a recording instruction.
- State quantity data (manual snapshot data) within a predetermined time associated with the snapshot item is created and stored by the manual snapshot control unit 2E.
- the manual snapshot data is read by the manual snapshot control unit 2E. Then, it is played back and displayed on the video playback screen 119 by the screen display control unit 2G.
- the manual snapshot control unit 2E in the read state quantity data (in other words, displayed on the video playback screen 119), the calculated value from each state quantity or a plurality of state quantities and the corresponding plural quantities.
- Each was compared with a predetermined reference value, and if the above-mentioned state quantity or calculated value was outside the predetermined reference value range, it was determined step by step that the corresponding part was defective, and was determined to be defective.
- the background area of the state quantity display area 119B related to the defective part is yellow. Change to color or red and display in stages. Further, when the operator selects and operates the state quantity display area 119B, a detailed information screen 116 for the corresponding defect and a circuit diagram screen 117 for the defective part are displayed.
- the state quantity data associated with the snapshot item or the stored manual snapshot data is displayed on the display device 50, and each state quantity is supported. It is determined whether or not the part is defective, and when the part is determined to be defective, the defective part or the state quantity related thereto is displayed on the display device 50, so that the operator can detect the abnormality in advance. In addition, anyone can easily identify the defective part regardless of the serviceman's experience and skill. As a result, the operation stop time of the hydraulic excavator 1 can be reduced, which can contribute to the improvement of productivity.
- the sensor 40 or the like detects a state quantity related to the operating state or the surrounding environment, and the basic data display control unit 2B of the controller 2 uses the basic data necessary for the initial screen 100 according to the detection signal.
- the display signal is output to the display device 50 and displayed in the basic data display area 50A.
- the alarm display control unit 2C outputs an alarm display signal to the display device 50 according to the alarm information related to the state quantity detected by each sensor 40, etc., and displays the alarm display in the alarm display areas 50Ba and 50Bb.
- the failure display control unit 2D outputs a failure display signal to the display device 50 in accordance with the failure information of each sensor 40, etc., and causes the failure display area 50Bc to display the failure.
- an alarm display is displayed in the alarm / failure display area 50B of the initial screen 100.
- the state data associated with the alarm or failure is automatically acquired and stored by the automatic snapshot control unit 2F of the controller 2 within the predetermined time. . And then the operator
- the playback processing unit 2Fd When the keypad 51 is operated while the alarm failure list screen 111 is displayed, the playback processing unit 2Fd outputs a playback display signal and the moving image playback screen is displayed.
- the operator can automatically obtain the state quantities within a predetermined time related to alarms and failures without performing any special operation during normal times, and can then reproduce and display them. It is possible to accurately present the abnormal parts and their contents without wasteful information. As a result, the downtime when an abnormality occurs in the construction machine can be shortened as much as possible, and productivity can be improved.
- construction machines such as large hydraulic excavators used for debris excavation work at a large work site are in operation, and only the operator changes every predetermined time.
- the handed over operator may know what maintenance has been performed during the operation of the operator before the change in the event of an alarm or failure.
- the maintenance history list is displayed by operating the “maintenance history list” button 110c on the operator power menu screen 110 that looks at the alarm display or failure display, for example.
- a list of maintenance history is displayed on the screen.
- the display device 50 disposed in the cab 14 of the hydraulic excavator 1 is described as an example of the display unit.
- the display device 50 is not limited to this, and may be, for example, wired, wireless, or the Internet.
- a PC terminal that can be downloaded via any means of communication.
- the hydraulic excavator 1 has been described as an example of the construction machine 1S.
- the present invention is not limited to this, and other construction machines such as a crawler crane, a wheel loader, etc. Even in this case, the same effect can be obtained.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/571,482 US7684917B2 (en) | 2004-11-17 | 2005-10-27 | Diagnostic information providing apparatus for construction machine and diagnostic information display system for construction machine |
AU2005307625A AU2005307625B2 (en) | 2004-11-17 | 2005-10-27 | Diagnosis information providing device for construction machine and diagnosis information displaying system for construction machine |
EP05799422A EP1816267A4 (en) | 2004-11-17 | 2005-10-27 | DEVICE FOR PROVIDING DIAGNOSTIC INFORMATION AND SYSTEM FOR DISPLAYING DIAGNOSTIC INFORMATION FOR CONSTRUCTION EQUIPMENT |
KR1020067024825A KR101059263B1 (ko) | 2004-11-17 | 2005-10-27 | 건설 기계의 진단 정보 제공 장치 및 건설 기계의 진단정보 표시 시스템 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004333101A JP4074615B2 (ja) | 2004-11-17 | 2004-11-17 | 建設機械の診断情報表示システム |
JP2004-333101 | 2004-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006054434A1 true WO2006054434A1 (ja) | 2006-05-26 |
Family
ID=36406979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/019767 WO2006054434A1 (ja) | 2004-11-17 | 2005-10-27 | 建設機械の診断情報提供装置及び建設機械の診断情報表示システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US7684917B2 (ja) |
EP (1) | EP1816267A4 (ja) |
JP (1) | JP4074615B2 (ja) |
KR (1) | KR101059263B1 (ja) |
AU (1) | AU2005307625B2 (ja) |
WO (1) | WO2006054434A1 (ja) |
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AT502326B1 (de) * | 2005-09-09 | 2009-07-15 | Fronius Int Gmbh | Fernzugriffseinheit und kommunikationsverfahren zur verwaltung von schweissgeräten |
JP4958567B2 (ja) * | 2007-01-12 | 2012-06-20 | 日立建機株式会社 | 建設機械の情報収集装置 |
KR20120000050A (ko) | 2009-03-24 | 2012-01-03 | 히다찌 겐끼 가부시키가이샤 | 건설 기계의 이상 검출 장치 |
US8077023B2 (en) * | 2009-05-08 | 2011-12-13 | Hal's Construction, Inc. | Operational signal system and signal light arrangement |
EP2558652B1 (en) * | 2010-04-12 | 2019-10-23 | Volvo Compact Equipment SAS | Excavator and process for assembling or dissassembling such excavator |
JP5363409B2 (ja) * | 2010-05-06 | 2013-12-11 | 日立建機株式会社 | 油圧建設機械の原動機回転数制御装置 |
US8972804B2 (en) * | 2010-09-16 | 2015-03-03 | Xerox Corporation | Point of need access to an electronic maintenance manual utilizing current machine status |
US8554513B2 (en) * | 2010-10-28 | 2013-10-08 | Ashland Licensing And Intellectual Property, Llc | Method of testing and proving fuel efficiency improvements |
CN102435246B (zh) * | 2011-08-22 | 2013-01-16 | 三一重机有限公司 | 一种挖掘机自检测方法 |
CN103814335A (zh) * | 2011-09-30 | 2014-05-21 | 住友重机械工业株式会社 | 挖土机、挖土机管理装置及挖土机管理方法 |
AU2011378996B2 (en) * | 2011-10-11 | 2014-11-13 | Sandvik Mining And Construction Oy | A method, system and a device for controlling a work machine |
DE102012014655A1 (de) * | 2012-07-24 | 2014-03-06 | Bomag Gmbh | Bedieneinheit für eine Baumaschine und Verfahren zum Betreiben der Bedieneinheit |
JP6249597B2 (ja) * | 2012-12-06 | 2017-12-20 | 日本車輌製造株式会社 | 全回転チュービング装置用油圧ユニット |
JP6072245B2 (ja) * | 2013-06-21 | 2017-02-01 | 日立建機株式会社 | 建設機械の保守装置 |
US10000911B2 (en) | 2013-12-05 | 2018-06-19 | Doosan Infracore Co., Ltd. | Abnormality diagnostic system for work system of construction machinery and method using the same |
KR101490957B1 (ko) * | 2013-12-18 | 2015-02-06 | 현대자동차 주식회사 | 차량 엔진 룸 공기 유량 제어 시스템 및 그 제어 방법 |
CN104995380B (zh) * | 2014-02-18 | 2018-03-06 | 株式会社小松制作所 | 作业车辆及作业车辆用显示装置 |
JP6339956B2 (ja) * | 2015-03-19 | 2018-06-06 | アズビル株式会社 | 不具合要因特定支援装置および不具合要因特定支援方法 |
JP6665412B2 (ja) * | 2015-03-23 | 2020-03-13 | 株式会社タダノ | 作業機械の調整装置 |
EP3276089B1 (en) * | 2015-03-27 | 2024-03-13 | Sumitomo (S.H.I.) Construction Machinery Co., Ltd. | Shovel |
JP6808377B2 (ja) * | 2016-06-27 | 2021-01-06 | 住友建機株式会社 | ショベルの表示装置 |
KR101837705B1 (ko) * | 2017-07-27 | 2018-03-13 | 울산과학기술원 | 유압 장비 모니터링 시스템 |
JP1622939S (ja) * | 2018-04-06 | 2020-04-13 | ||
JP7286287B2 (ja) * | 2018-09-14 | 2023-06-05 | 株式会社小松製作所 | 作業機械の表示システムおよびその制御方法 |
JP2020128641A (ja) * | 2019-02-08 | 2020-08-27 | コベルコ建機株式会社 | 建設機械 |
JP7194615B2 (ja) * | 2019-03-01 | 2022-12-22 | 日立建機株式会社 | 作業機械 |
CN112654750B (zh) * | 2019-03-26 | 2022-09-27 | 日立建机株式会社 | 作业机械 |
US11352767B2 (en) * | 2020-04-20 | 2022-06-07 | Caterpillar Paving Products Inc. | Engine power management strategy |
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- 2004-11-17 JP JP2004333101A patent/JP4074615B2/ja active Active
-
2005
- 2005-10-27 WO PCT/JP2005/019767 patent/WO2006054434A1/ja active Application Filing
- 2005-10-27 KR KR1020067024825A patent/KR101059263B1/ko active IP Right Grant
- 2005-10-27 EP EP05799422A patent/EP1816267A4/en not_active Withdrawn
- 2005-10-27 AU AU2005307625A patent/AU2005307625B2/en active Active
- 2005-10-27 US US11/571,482 patent/US7684917B2/en active Active
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JPH07119183A (ja) | 1993-10-21 | 1995-05-09 | Hitachi Constr Mach Co Ltd | 油圧作業機のモニタ装置 |
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JP2002323013A (ja) * | 2001-04-24 | 2002-11-08 | Komatsu Ltd | 作業機械の異常診断装置 |
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Also Published As
Publication number | Publication date |
---|---|
JP2006144292A (ja) | 2006-06-08 |
AU2005307625B2 (en) | 2009-02-05 |
EP1816267A4 (en) | 2011-06-08 |
JP4074615B2 (ja) | 2008-04-09 |
AU2005307625A1 (en) | 2006-05-26 |
KR101059263B1 (ko) | 2011-08-24 |
EP1816267A1 (en) | 2007-08-08 |
KR20070085105A (ko) | 2007-08-27 |
US20070213855A1 (en) | 2007-09-13 |
US7684917B2 (en) | 2010-03-23 |
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