CN1746438A - Working machine, failure diagnosis system for work machine and maintenance system for machines - Google Patents
Working machine, failure diagnosis system for work machine and maintenance system for machines Download PDFInfo
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Abstract
A method for trouble diagnosis of a working machine capable of performing a trouble diagnosis by mutually transmitting and receiving signals by communication equipment installed in the working machine and an information control center, comprising a first step for generating a first signal on the trouble of the working machine by the working machine and transmitting the first signal from the working machine to the information control center through the communication equipment, a second step for generating a second signal for specifying a trouble position in the information control center based on the first signal when the first signal is transmitted and transmitting the second signal from the information control center to the working machine through the communication equipment, and a third step for notifying an operator of the trouble information on the first and second signals.
Description
The application is dividing an application of following application:
Denomination of invention: the fault diagnosis system of Work machine, Work machine, the maintenance system of Work machine
Application number: 02801574.6 (international application no: PCT/JP02/04262)
The applying date: on 04 26th, 2002
The application, introduces its content as reference document here based on Japanese patent application calendar year 2001 No. 137809 (application on May 8 calendar year 2001), Japanese patent application calendar year 2001 No. 219601 (application on July 19 calendar year 2001).
Technical field
The present invention relates to fault diagnosis, the maintenance of Work machine, especially relate to fault diagnosis, the maintenance of Working mechanisms for building such as hydraulic excavator.
Background technology
Known sending from building to Center For Information Management is used as the mechanical information (service data) of industry, and the center is predicted according to this service data and had or not the system's (for example the spy opens the 2000-259729 communique) that breaks down.Thus, the information of center prediction sends to the maintenance undertaker, and the maintenance undertaker carries out maintenance activity etc. according to this information.
But, in the system of above-mentioned communique record, because directly do not send information, so the operator is at aspect spended times such as the trouble location of holding Work machine, failure causes from the center to the operator of operation task machinery.As a result, the operator can not take adequate measures when fault takes place.
In addition, behind the fault repair or after maintenance finished, data offer central server based on the office clerk's of waiter or affiliated office hand input database was finished in fault repair data or maintenance that waiter sends.Therefore, may forget input, mistake input.As a result, can not suitably carry out the maintenance of each Work machine, the fault that may take place not predict.
Disclosure of the Invention
The invention provides a kind of operator of making can suitably discern the information such as trouble location of Work machine, can suitably carry out Work machine, the Work machine fault diagnosis system of Work machine maintenance, the maintenance system of Work machine etc. in addition.
Method for diagnosing faults of the present invention is by being separately positioned on the communicator in Work machine and the Center For Information Management, signal is believed in transmitting-receiving each other, carry out fault diagnosis, have: first step, generate first signal by Work machine, and send first signal from Work machine to Center For Information Management by communicator about the Work machine fault; Second step, in case receive first signal, then Center For Information Management generates the secondary signal that the specific fault position is used based on this first signal, and sends secondary signal from Center For Information Management to Work machine by communicator; And third step, to the fault message of operator's report about first signal and secondary signal.
In the method for diagnosing faults of this Work machine, preferably the abnormal state detection by Work machine begins first step.
In addition, when being preferably in the unusual generation of Work machine, when unusually signal taking place, the input operation of Work machine side begins first step.
In addition, preferably also possess the 4th step, send about the service at specific fault position to Center For Information Management from Work machine and entrust signal and the 5th step, Center For Information Management is based on entrusting signal to come required expense of calculation services and time about service, and this information is turned back to Work machine.
In addition, preferably also possesses the 4th step, entrust signal to the Center For Information Management transmission about the service at specific fault position from Work machine, with the 5th step, Center For Information Management is based on entrusting signal to come the calculation services personnel to on-the-spot due in about service, and this information is turned back to Work machine.
Work machine fault diagnosis system of the present invention possesses: first signal generating apparatus, by first signal of Work machine generation about the Work machine fault; First dispensing device sends first signal from Work machine to Center For Information Management; The secondary signal generating apparatus, in case send first signal, then Center For Information Management generates the secondary signal that the specific fault position is used based on this first signal; Second dispensing device sends secondary signal from Center For Information Management to Work machine; And annunciator, to the fault message of operator's report about first signal and secondary signal.
In the fault diagnosis system of this Work machine, preferably Work machine possesses the checkout gear that detects self abnormality, in case detect abnormality by checkout gear, then first signal generating apparatus generates first signal based on this testing result.
In addition, preferably Work machine has the operating portion of operation when self taking place unusually, in case from the unusual generation of operating portion input signal, then first signal generating apparatus generates first signal based on this unusual signal that takes place.
In addition, preferably secondary signal comprises the information at specific fault position, and annunciator is reported specific trouble location to the operator.At this moment, preferably Center For Information Management possesses the Service Management device, behind the specific fault position, in case send about serving the signal of trust from Work machine, then required expense and the time of calculation services, the secondary signal generating apparatus comprises the required expense of this service and the time generates secondary signal.In addition, preferably Center For Information Management possesses the program management devices, behind the specific fault position, in case send about serving the signal of trust from Work machine, then the calculation services personnel are to on-the-spot due in, and the secondary signal generating apparatus comprises this due in and generates secondary signal.
Work machine of the present invention possesses signal generating apparatus, generates the signal about fault message; Dispensing device sends the signal that generates to Center For Information Management; Receiving system is answered the signal that sends through dispensing device, receives the signal about the fault diagnosis of returning from Center For Information Management; And annunciator, report fault message based on the signal that receives.
In this Work machine, preferably also possess the unusual automatic detection device of automatic detection Work machine abnormality, in case unusual automatic detection device detects abnormality, then signal generates the signal of step generation about fault message.
In addition, preferably also possess input unit, accept fault diagnosis indication from the operator; And abnormal detector, when input unit is accepted the fault diagnosis indication, detect in the Work machine whether have abnormality, in case abnormal detector detects abnormality, then signal generates the signal of step generation about fault message.
In addition, the best signal generating apparatus also generates the signal of entrusting about the service of specific fault position, dispensing device sends the signal of entrusting about service to Center For Information Management, receiving system is based on the signal of entrusting about service, receive that Center For Information Management generates about serving the signal of required expense and time, annunciator is based on the signal about expense and time that receives, and report is about serving the information of required expense and time.
In addition, the best signal generating apparatus also generates the signal of entrusting about the service of specific fault position, dispensing device sends the signal of entrusting about service to Center For Information Management, receiving system is based on the signal of entrusting about service, receive that Center For Information Management generates about the signal of attendant to on-the-spot time date of arrival, annunciator is based on the signal about time date of arrival that receives, and report is about the information of attendant to on-the-spot time date of arrival.
The embodied on computer readable computer program product of lift-launch in Work machine of the present invention has the Work machine fault diagnostic program, and this fault diagnostic program has signal and generates order, generates the signal about fault message; Send order, send the signal that generates to Center For Information Management; Receive order, answer, receive the signal that returns from Center For Information Management about fault diagnosis by sending the signal that order sends; With the report order, report fault message based on the signal that receives.
And Work machine of the present invention between mutually the Center For Information Management of transmitting-receiving letter signal possess receiving system, receive signal about the fault message that sends from Work machine; Signal generating apparatus is to the recall signal of this signal generation about fault diagnosis; And dispensing device, send recall signal to Work machine.
Be arranged on and Work machine of the present invention between mutually the embodied on computer readable computer program product in the Center For Information Management of transmitting-receiving letter signal have the fault diagnostic program of Work machine, this fault diagnostic program has the order of reception, receives the signal about the fault message that sends from Work machine; Signal generates order, to the recall signal of this signal generation about fault diagnosis; Order with sending, send recall signal to Work machine.
Work machine maintenance system of the present invention has a plurality of Work machines; And central server, and a plurality of Work machine between each, via communication line,, manage the maintenance of a plurality of Work machines by two-way communication transmitting-receiving data, Work machine possesses the service data storage device, storage service data and mantenance data; Operating means, the input maintenance activity is finished; Data sending device, to central server send service data, the maintenance activity that provided by operating means finishes data and mantenance data; Data sink receives the data about the repair message that sends from central server; And display unit, showing repair message, central server possesses data sink, receives the service data, the maintenance activity that send and finishes data and mantenance data; The service data storehouse, the storage service data; The mantenance data storehouse, the storage mantenance data; Calculation element calculates maintenance timing based on the mantenance data that is stored in the service data in the service data storehouse and be stored in the mantenance data storehouse; And data sending device, send data to Work machine about the repair message that comprises maintenance timing.
In the maintenance system of this Work machine, preferably the maintenance activity of finishing information by the operating means input comprises the fault repair operation, comprises the trouble location data of Work machine in mantenance data.
Other Work machine of the present invention possesses communicator, via communication line, carries out the transmitting-receiving of information by two-way communication and the central server that a plurality of Work machines of management keep in repair; Operating means is accepted the input operation that maintenance activity is finished; Storage device, information is finished in the maintenance that storage is finished about maintenance activity; And control device, in case operating means is accepted the input operation that maintenance activity is finished, then send the maintenance of storing in the storage device to central server and finish information by communicator.
In this Work machine, preferably also possess display unit, control device receives the maintenance indication information about the maintenance indication of sending from central server by communication line, and shows the maintenance indication information that receives in display unit.At this moment, storage device is preferably stored the operation information about the Work machine running, and control device sends the operation information in storage device stored through communicator to central server with predetermined timing.
The embodied on computer readable computer program product of lift-launch in Work machine of the present invention has the maintenance procedure of Work machine, this maintenance procedure by as issue orders and constitute: operational order, accept the input operation that the maintenance activity of Work machine is finished through input unit; The order of information is finished in the maintenance that storage is finished about the maintenance activity of Work machine in storage device; With in case accept the input operation that maintenance activity is finished, then send the order that information is finished in the maintenance of storing in the storage device to the central server of a plurality of Work machines maintenances of management by communicator.
The central server of management operations machinery of the present invention maintenance possesses communicator, via communication line, carries out the transmitting-receiving of information by two-way communication and Work machine; The mantenance data storehouse, storage is about the information of Work machine maintenance; And control device, receive the maintenance of finishing about operation and finish information, and the maintenance that will receive is finished information and is stored in the mantenance data storehouse.
In this central server, preferably also possess the service data storehouse of storage about the operation information of Work machine running, control device receives the operation information that sends from Work machine by communication line, and the operation information that receives is stored in the service data storehouse.At this moment, preferably control device is based on the operation information of storing in the mantenance data storehouse about the Work machine running about storing in the information of Work machine maintenance and the service data storehouse, generation sends the maintenance indication information that generates about the maintenance indication information of Work machine maintenance indication by communicator to Work machine.
The embodied on computer readable computer program product of managing Work machine of the present invention maintenance has the maintenance management program of Work machine, and this maintenance management program is by receiving by communicator that the order of information is finished in the maintenance of finishing about the maintenance activity of the Work machine that sends from Work machine and the maintenance that will receive is finished the order that information is stored in the mantenance data storehouse and constituted.
Aforementioned calculation machine program product preferably writes down the recording medium of maintenance procedure.Perhaps, computer program product is preferably with the carrier wave of maintenance procedure as the data-signal embedding.
Brief description of drawings
Fig. 1 is the schematic configuration diagram of the fault diagnosis system of embodiment 1.
Fig. 2 is the side view of hydraulic excavator that is suitable for the fault diagnosis system of embodiment 1.
Fig. 3 is the flow chart that the interior information transmit-receive letter of the hydraulic excavator controller of expression embodiment 1 is handled an example.
Fig. 4 is the programme diagram that the interior information transmit-receive letter of the central server of expression embodiment 1 is handled an example.
Fig. 5 is the performance plot of suspension rod (boom) angular transducer.
Fig. 6 is the flow chart of concrete order of signal transmitting and receiving letter of the fault diagnosis system of expression embodiment 1.
Fig. 7 is the flow chart of concrete order of signal transmitting and receiving letter of the fault diagnosis system of expression embodiment 2.
Fig. 8 is the flow chart of the variation of presentation graphs 7.
Fig. 9 is the integrally-built system construction drawing of maintenance system of the Work machine of expression embodiment 3.
Figure 10 is the structured flowchart that carries the maintenance monitor apparatus in hydraulic excavator.
Figure 11 is the interior critical piece structure of expression management server and the structured flowchart of processing.
Figure 12 is the maintenance monitor apparatus of expression oil pressure controller and the flow chart of the transmitting-receiving of the bi-directional data between the management server.
Realize the optimal morphology of invention
The embodiment 1 of fault diagnosis system of the present invention is described with reference to Fig. 1-Fig. 6.
Fig. 1 is the schematic configuration diagram of the fault diagnosis system of embodiment 1, and Fig. 2 is the side view that is suitable for the hydraulic excavator of this fault judgement system.As shown in Figure 2, hydraulic excavator 1 Work machine 63 that constitutes by suspension rod 63A, arm 63B, bucket 63C that possesses running body 61, rotatably carry rotary body 62 on running body 61, support by rotary body 62.In driver's cabin 64, carry display unit 11 such as control device 10 and monitor.Control device 10 has controller 12 and communicator 13, connects antenna 14 on communicator 13.A plurality of this hydraulic excavators 1 are set on the ground, as shown in Figure 1, by exchange message between telecommunication satellite 2 and the sensor 3.
A plurality of sensors 15 are set in hydraulic excavator 1, come hydraulic pressure that the operation of detection of engine revolution, oil pressure pump pressure, action bars produces, act on load pressure on the oil hydraulic cylinder equal excitation device etc. by these sensors 15.The operator sends instruction or to display unit 11 input picture idsplay orders from input part 16 to center 3 input signals by key operation etc.Alarm generator 17 gives the alarm based on the signal from sensor 15, to the operator report hydraulic excavator unusual.
The signal input controller 12 of autobiography sensor 15, input part 16 and communicator 13 in the future, and be stored in the memory 18.Controller 12 has display control unit 19 and sends control part 20.Display control unit 19 is by control the image of display unit 11 as described later shown in Figure 6ly from the signal of input part 16 and communicator 13.Send the signal of control part 12, make sending data, send this with predetermined timing to center 3 by processing described later (Fig. 3) and send data based on storage in the memory 18.
The transmission data that make this moment comprise machine and the ID data of plane No., the running date of hydraulic excavator 1 or the duration of runs, the content of parts swap, the fault content of this day of discerning hydraulic excavator 1.Detect to have or not by abnormal signal and break down from sensor 15.As the fault content, for example there is the output voltage of sensor 15 unusual, that engine revolution is unusual, oil pressure is unusual, battery charge is unusual, coolant water temperature is unusual etc. is various unusual, will send behind the fault content encoding.For example, when suspension rod angular transducer fault, send failure code 1, when the arm angle sensor fault, send failure code 2, when solenoid valve failure, send failure code 3.
In 3 communicator 31 receive this transmission data by telecommunication satellite, transmit to the management server 32 of manufacturer's side, be stored in the database 33.Management server 32 is held the fault of hydraulic excavator 1 etc. by processing described later (Fig. 4), provisioning information is sent to hydraulic excavator 1.In database 33, store transmission data from hydraulic excavator 1 by each machine, plane No. accumulative total.Can hold the total run time of excavator and the service time of each parts etc. thus.In addition, the fault diagnosis order that storage is used corresponding to failure code specific fault position, failure cause in database 33.
In for example user terminal 34 being connected by telephone line etc. in the heart.Thereby, the necessary information of exchange between user and the center.In addition, also comprise the service department of hydraulic excavator manufacturer and dealer etc. among the user, also can send fault message to nearest attendant.
Here, with flow chart shown in Fig. 3,4 instantiation that the information transmit-receive letter is handled is described.Fig. 3 is by the processing that sends control part 20 execution, and Fig. 4 is the processing that server 32 is carried out.These handling procedures are stored in the storage device (not shown) of the storage device (not shown) that sends control part 20 inside and server 32.
As shown in Figure 3, at first, in step S1, read input signal, in step S2, this input signal is stored in the memory 18 from sensor 15, input part 16, communicator 13.Then, in step S3, judge to have or not to send instruction.At this moment, begin to send instruction in the operation output of input part 16 from operation through the stipulated time or by the operator.In addition, also can send instruction with the termination of job while or (for example night) output of fixing time really in one day.If step S3 then advances to step S4 certainly, make the transmission data based on the data of storage in the memory 18, in step S5, send these data, return step S1 afterwards.
The communicator 31 at center 3 receives the data that send from communicator 13.As shown in Figure 4, server 32 reads these reception data in step S11, be kept in step S12 in the database 33.Then, in step S13, judge whether to break down, and certainly the time, advance to step S14, when negative, return step S1 by failure code.In step S14, accessing database 33 is made the transmission data corresponding to failure code and reception data.An example that sends data is described in the back with Fig. 6.Afterwards, in step S15, send data, return step S11.
Then, be described more specifically characteristic action according to the failure judgment device of embodiment 1.Below, illustrate the situation of suspension rod angular transducer output abnormality signal.
Fig. 5 is the performance plot of suspension rod angular transducer 15.During sensor 15 regular events, output voltage changes between 0.5V-4.5V corresponding to the suspension rod angle.If output voltage is less than 0.25V or greater than 4.75V (oblique line), then controller 12 is judged as and opens circuit or short circuit causes that sensor output value is unusual.At this moment, as trouble location (failure cause), consider sensor 15 self, lead, power supply, controller 12 etc.The following fault diagnosis of carrying out, the specific fault position.
Fig. 6 is the figure that is illustrated in the concrete order of the signal transmitting and receiving letter that exchanges between hydraulic excavator 1 and the center 3.If suspension rod angular transducer 15 output abnormality signals (step S21), then alarm generator 17 gives the alarm, simultaneously, by control signal, in display unit 11, show the inquiry (step S22) of tracing trouble as shown in the figure about whether from image control part 19.At this inquiry, when selecting yes by the operation of input part 16, send failure codes 1 and send data (fault data) to center 3 by above-mentioned processing (step S3 → step S4 → step S5) as if the operator.In addition, with regard to the degree of fault, content, be not limited to operator's select command, also can send fault data to the center forcibly.
Server 32 reads celebrating the fault diagnosis order in failure code 1 by above-mentioned processing (step S13 → step S14-→ step S15) accessing database 33, sends first instruction (step S23) to hydraulic excavator 1.By this signal, in display 11, show the instruction (step S24) of checking as shown in the figure.The operator is according to the conducting state of the information check conductor jointer that shows, and whether the affirmation conducting state is normal.In case the operation by input part 16 is selected unusual, server 32 accessing databases 33 then, the information specific fault reason according to sending returns to excavator 1 (step S 25).Thus, show illustrated information (step S26) in display unit 11, the operator confirms that the failure cause of sensor 15 is a breakdown of conducting wires.
On the other hand, in step S24, if select normally by the operation of input part 16, then server 32 sends second instruction (step S27) to excavator 1.In display unit 11, show resistance measurement instruction (step S28) as shown by this signal.Whether the operator confirms normal according to the resistance value of the connector of this information measurement sensor 15.In addition, if select unusual, server 32 accessing databases 33 then, the specific fault reason is returned excavator 1 (step S29).Thus, show pictorial information (step S30) in display unit 11, the operator confirms sensor 15 faults itselfs.
If select normally, then server 32 accessing databases 33 according to information specific fault reason before this, return excavator 1 (step S31) in step S28.At this moment, failure judgement is former because controller 12 faults show this information (step S32) as shown in display unit 11.As mentioned above, when the suspension rod angular transducer is unusual, can specific its trouble location.
Though above for example understand the fault diagnosis of suspension rod angular transducer 15, can carry out the fault diagnosis of electromagnetic proportional valve equally.At this moment, although to by the command value of the electromagnetic proportional valve of electric joystick driver less than 1Mpa, the actual detected value also can be judged the electromagnetic proportional valve fault during greater than 3Mpa, sends failure code 3.In addition, by the instruction from server 32, the operator also can carry out the checking of lead etc.
Therefore, in embodiment 1, between hydraulic excavator 1 and server 32, mutually send signal, in display unit 11, show information with dialogic operation, so the operator can discern trouble location easily about the fault of excavator 1 by telecommunication satellite 2.As a result, the operator can take appropriate measures after fault.Fault diagnosis in addition, begins fault diagnosis, so can suitably regularly carried out because export by the abnormal signal of sensor 15.In addition, because specific fault position, server 32 accessing databases, 33 back needn't need the storage mass data so excavate pusher side, but the conserve memory capacity.And, because the coding fault data, so data constitute easily.
Embodiment 2
With reference to Fig. 7, Fig. 8 embodiments of the invention 2 are described.
In embodiment 1, when sensor 15 faults, the image of automatic switchover display unit 11 enters fault diagnosis model, and in embodiment 2, constitutes by operator's menu and select operation to enter fault diagnosis model.Below the difference of main explanation and embodiment 1.
The difference of embodiment 2 and embodiment 1 is the concrete order of the signal transmitting and receiving letter of exchange between hydraulic excavator 1 and center 3.In case hydraulic excavator 1 when driving any not meeting is taken place, the operator selects fault diagnosis model by the operation of input part 16.Thus, in display unit 11, show initial picture (step S41) for example shown in Figure 7.Here, from display frame, select the front motionless.Storage is in advance selected the order of signal corresponding to this in the database 33, and server 32 sends first instruction (step S42) by reading corresponding to the order of selecting signal to excavator 1 from database 33.Thereby in display unit 11, show illustrated inquiry (step S43).
At this inquiry, if select on the suspension rod, then server 32 sends second instruction (step S44) of selecting signal corresponding to this, shows figure directive command (step S45) in display unit 11.Based on this instruction,, then send pump pressure, the hydraulic pressure detected value of this moment to server 32 if the operator carries out operating on the suspension rod.Judge that by server 32 detected value that sends is normal (step S46) frequently, unusual, be that detected value is significantly less than under the situation of setting value, send the 3rd instruction.Thus, in display unit 11, show illustrated instruction (step S48).The operator is based on this instruction checking lead, in case select normally, then server 32 is based on before this information specific fault position (step S49).Thereby, in display unit 11, show the contact end (step S50) of trouble location and service as shown in the figure simultaneously.
On the other hand, in step S46, if judge that the detected value of pump pressure, hydraulic pressure is normal, then server 32 sends the 4th instruction (step S51), shows figure directive command (step S52) in display unit 11.The operator is based on this instruction checking leakage of oil, if select normally, then server 32 is based on before this information specific fault position (step S53).Thereby, in display unit 11, show the contact end (step S54) of trouble location and service as shown in the figure simultaneously.
In above-mentioned steps S50, step S54,, also can replace as shown in Figure 8 and obtain service and contact with the inquiry form though show trouble location and service contact end.In Fig. 8, for example if with trouble location specific be electromagnetic valve, then in display unit 11 demonstration illustrated information (step S55).Here, if select online contact, server 32 accessing databases 33 then, parts expense and the standard operation time and the price for repairing of obtaining thus (step S56A) of calculating electromagnetic valve.
At this moment, the attendant uses one day the timetable of inputs such as computer of oneself in advance, and this information is sent to center 3, is stored in the database 33.In addition, for example in hydraulic excavator 1, carry position such as GPS and measure machine, send the positional information of hydraulic excavators 1 in real time to center 3.Thereby server 32 is specific apart from on-the-spot nearest service departments with wherein go the earliest on-the-spot attendant, via or do not send information to the attendant about the service trust via service department.Can the attendant serve and arrive on-the-spot due in (step S56B) at this information answering server 32.
These information that obtain in step S56A, step S56B are sent to excavator 1, in display unit 11, show illustrated information (step S57).Thereby the operator confirms activity duration, expense etc., determines whether place under repair is entrusted.In step S57,, then this instruction is passed to information desk person, to on-the-spot dispatch service personnel (step S58) via the center if select yes (place under repair trust).
Therefore, in embodiment 2, because select fault diagnosis model, so, no matter when all can specificly not meet the position by operator's expectation by operator's menu operation.At this moment, the operator by dialogic operation selects operation, can serve trust, saves miscellaneous repairing commissioned procedures.In addition, hold parts expense, repairing time and attendant's information such as due in immediately, the efficient height, easy to use.
In addition, in the above-described embodiments,, also can wait and report by sound though report about the information of the fault of hydraulic excavator 1 to the operator by display unit 11.In addition, in Fig. 6-Fig. 8,, also can send though between hydraulic excavator 1 and center 3, repeatedly send signal alternately at every turn.Though the foregoing description is applicable to hydraulic excavator, also applicable to other building machinery.
Embodiment 3
Fig. 9 represents the overall structure according to the Work machine maintenance system of embodiment 3.Three table oils are shown presses excavator 111A, 111B, 111C to be used as becoming an example of the Work machine of maintenance objects.Work machine is not limited to hydraulic excavator.In fact, manage a plurality of hydraulic excavators, keep in repair (safeguard, manage, maintain), but for convenience of description, No. 1 machine, No. 2 machines, No. 3 this three table oils pressure excavator of machine 111A-111C only are shown by this maintenance system.Each hydraulic excavator is configured in operation field separately.From the viewpoint of managing by the maintenance system of present embodiment described later, each of hydraulic excavator 111A-111C all possesses the maintenance monitor apparatus of same structure.Each of hydraulic excavator 111A-111C is all carried the control device that is made of computer, and this control device possesses communicator, operation control section, arithmetic processing section, storage part etc.Hydraulic excavator 111A-111C constitutes based on this control, receives and sends messages via electrical communication lines and outside.Realize above-mentioned maintenance monitor apparatus based on control device with said structure.
Be provided for managing the management server (or central server 112) that above-mentioned many table oils are pressed the maintenance of excavator 111A-111C.For the hydraulic excavator 111A-111C in being provided in operation field at a distance, be equipped with management server 112 in the base station.By manufacturer, lease company, sales company, maintenance management company and wait operation management server 112.Possess the service data storehouse 116 of computer 113, various input unit 114, display unit (display) 115, storage service data, the mantenance data storehouse 117 of storage mantenance data (exchange of periodic inspection data, fault repair data, parts and running stores etc.) in the management server 112.As funtion part, the computer 113 of management server 112 has communicator, arithmetic processing section, via electrical communication lines be positioned at a distance hydraulic excavator 111A-111C each carry out the transmitting-receiving of information (instruction, data etc.).
Electrical communication lines (data communication path) is set between hydraulic excavator 111A-111C and management server 112.Electrical communication lines is made of telecommunication satellite 118, earth station 119, common line or internet 120.Hydraulic excavator 111A-111C and management server 120 constitute the communicator by separately, and via the electrical communication lines two-way communication of said structure.
Among Fig. 9, arrow 121,122,123,124 illustrates the state that communicates.These are examples.
Arrow 121 expressions send the state of service data 125 to management server 112 via telecommunication satellite 118 and earth station 119 etc. from hydraulic excavator 111A.The service data of representing with square 125 is the data about frequency distributions such as the engine revolution of hydraulic excavator 111A, operation oil temperature, water tank water temperature, pump pressures.In hydraulic excavator 111A, service data 125 obtains carrying out the operating condition that operation uses by various running sensors by control device and obtains, and service data is stored in its memory.Collected by above-mentioned maintenance monitor apparatus and to preserve service data, regularly or in case of necessity, control device and communicator by hydraulic excavator 111A send service datas to management server 112 at any time, and are recorded in the service data storehouse 116.
Arrow 122 is represented from management server 112 to the state of hydraulic excavator 111B transmission about the instruction of maintenance.Show this information that for example please change oil in the display device for mounting on vehicle 126 in being arranged on hydraulic excavator 111B driver's cabin about the content of the instruction of maintenance.Exaggeration and amplification expression display device for mounting on vehicle 126 among Fig. 9.
Send the state 129 that signal is finished in maintenance to management server 112 sides when in addition, switch 127 is finished in the arrow 123 expression maintenance that is arranged on hydraulic excavator 111C side by attendant or operator's 128 opening operations.The attendant carries out maintenance activity to items displayed in the display device for mounting on vehicle 126 for example, finishes in operation and presses maintenance constantly and finish switch 127.As a result, send the duration of runs and maintenance activity project at this moment, this content of record in the mantenance data storehouse 117 of management server 112 from trend management server 112.
Between the above-mentioned hydraulic excavator 111A-111C and management server 112 that is configured in each operation field, receive and dispatch data necessary and instruction based on two-way communication.
In addition, user 131 can utilize internet terminal device 132 to conduct interviews by the 130 pairs of management servers 112 in internet.User 131 is the people related with one of hydraulic excavator 111A-111C.The repair message that user's 131 access management servers 112 are prepared provides uses homepage, receives the message reference authentication behind input ID and the password, can obtain the repair messages such as hydraulic excavator about self.
Exposed installation is put the concrete structure of the maintenance monitor apparatus of hydraulic excavator 111A-111C according to Figure 10.
Maintenance monitor 141 is realized by the control device 142 that computer constitutes.Control device 142 is made of CPU143, storage part (memory) 144, sensor input interface (I/F) 145, display interface (I/F) 146 and communication interface (I/F) 147.Motor, oil hydraulic system fuel at hydraulic excavator provide each Machinery Ministry configuration running sensor 148 such as system, will import CPU143 by sensor input interface 145 by these sensor 148 detected signals about running that turn round.CPU143 is stored in service data in the storage part 144 based on the various CRANK PULSES of input.The various processing of storage program and data in storage part 144.Except that above-mentioned service data, comprise data, mantenance data and the repair message of machine, plane No. in the data of storage.Above-mentioned maintenance is set in the driver's cabin of hydraulic excavator finishes switch 127.The opening operation signal of switch 127 is finished in the input maintenance in CPU143.Control device 142 possesses display unit 149.This display unit 149 is corresponding to the display device for mounting on vehicle shown in Fig. 9.Connect 146 transmissions from CPU143 via demonstration and answer data presented, in the information of screen displayed about keeping in repair of display unit 149.Maintenance monitor apparatus 141 possesses communicator 150.Communicator 150 forms data communication terminal.Between control device 142 and management server 112, receive and dispatch various data by communicator 150.Communicator 150 connects 147 by communication and is connected with CPU143.
Below, based on describing the processing details of carrying out by maintenance monitor apparatus 142 with said structure with the correspondence of management server 112.
Describe the structure and the inner major part processing of carrying out of management server 112 below in detail according to Figure 11.In Figure 11, management server 112 possesses above-mentioned service data storehouse (running DB) 116 and mantenance data storehouse (the maintenance DB) 117 as data store.Communications reception portion 151 by management server 112 receives the various data of sending to management server 112 via electrical communication lines from hydraulic excavator 111A-111C.Service data is by after the communications reception portion 151, and storage (record) is in service data storehouse 116.In service data storehouse 116, with file 116a and the record of service data arrangement for being provided with respectively by each machine and plane No..In addition, in mantenance data storehouse 117, also with file 117a and the record of mantenance data arrangement for being provided with respectively by each machine and plane No..In the aforementioned calculation machine 113 of management server 112, maintenance timing calculating part 152 is set as functional unit.The maintenance standard that maintenance timing calculating part 152 obtains based on service data and mantenance data by a plurality of hydraulic excavators of statistical disposition is with maintenance (exchanges of repairing, the parts etc.) period of suitable timing to each machine, each one of plane No. calculating machine (keeping in repair necessary position).Maintenance timing calculating part 152 calculate about the data of the maintenance timing of each machine, plane No. via communication sending part 153, and send to the hydraulic excavator of corresponding machine, plane No. by above-mentioned electrical communication lines.
The following describes between the maintenance monitor apparatus 141 that is provided with in each based on hydraulic excavator 111A-111C and the management server 112 contents processing about two-way communication transmitting-receiving data.Figure 12 is the maintenance monitor apparatus of expression hydraulic excavator and the flow chart of the transmitting-receiving of the bi-directional data between the management server.These handling procedures are stored in advance in the internal storage device (not shown) of maintenance monitor 141 and management server 112.
In each hydraulic excavator, by its maintenance monitor apparatus 141, time in accordance with regulations every day is the operating condition of the mechanical part of stores processor running regularly, as service data (step S111), in the recording processing of this service data, CPU143 obtains CRANK PULSES via above-mentioned various running sensors 148, and it is stored in the storage part 144 as service data.Come the service data of storage in the store storage portion 144 with the state of additional machine, plane No. information.In storage part 144 under the state of the data of storage during certain, CPU143 carries out regularly (for example engine running in the time per 100 hours) and sends the processing (step S112) of the service data of storing in the storage parts 144 to management server 112.Based on the processing of CPU143, carry out the transmission (sending order P111) of service data via communication interface 147 and communicator 150, above-mentioned electrical communication lines such as telecommunication satellite 118.Add about the machine of the hydraulic excavator of correspondence, the data of plane No. to the service data that sends.
In management server 112 sides, in case communications reception portion 151 then is stored in (step S121) in the service data storehouse 116 with the service data that receives respectively by machine, plane No. from the transmission (sending order P111) of the maintenance monitor apparatus 141 reception service datas of hydraulic excavator.Then, based on the pre-determined standard formula of above-mentioned maintenance timing calculating part, each is keeped in repair necessary position calculate maintenance timing (step S122).In the computing of maintenance timing,, be used for aforementioned calculation and handle with reference to the contents processing of record in the mantenance data storehouse 117.The maintenance timing data that will obtain about the maintenance timing computing (step S122) related with the necessary position of maintenance to the maintenance timing data that calculate are with associated instructions (information), as repair message, send to the maintenance monitor apparatus 141 (step S123) of corresponding hydraulic excavator through communication sending part 153.Send repair message (sending order P112) through above-mentioned electrical communication lines to maintenance monitor apparatus 141 from management server 112.
Maintenance monitor apparatus 141 will read in CPU143 from the repair message that management server 112 sends via communicator 150 and communication interface 147, and CPU143 shows repair message (step S113) by display interface 146 in display unit 149.Show state one example in the display unit 146 is illustrated in the display device for mounting on vehicle 126 of lift-launch shown in Figure 9 in hydraulic excavator 111B.
In stage below, in hydraulic excavator, carry out maintenance activity according to the repair message that sends from management server 112 by the attendant.Usually, the operator of hydraulic excavator sees in the car body display unit 149 after the content displayed, confirms maintenance items and period, entrusts maintenance personal (or trimming undertaker) maintenance activity.The maintenance personal carries out the maintenance activity that shown by display unit 149, in case finish maintenance activity (step S114), then is used to understand the maintenance that operation finishes by attendant's opening operation and finishes switch 127.In case switch 127 is finished in the opening operation maintenance,,, CPU143 finishes switch detection processing (step S115) so carrying out operation then because in CPU143, import opening signal.Finish switch detection processing if carry out operation, then CPU143 carries out management server 112 is sent the processing (step S116) of mantenance datas.Send in the processing in this mantenance data, read data such as machine, plane No., maintenance items, the duration of runs in the personal data storage part 144, send (sending order P113) to management server 112 via communication interface 147 and communicator 150, electrical communication lines.Management server 112 is recorded in the mantenance data that receives in the mantenance data storehouse 117.The mantenance data of record is attached in the master data of next maintenance timing computing S122, is reflected in the next maintenance prediction and calculation.
In said structure, also can constitute a plurality of repair messages of demonstration in the display unit 146 of maintenance monitor apparatus 141.Each of a plurality of repair messages to prompting is all carried out maintenance activity.Both can carry out finishing the opening operation that the understanding operation of switch 127 is finished, also can under the state that a succession of maintenance activity is all finished, carry out each maintenance activity by maintenance activity.
In addition, in said structure, finish switch 127 input by maintenance and finish the maintenance activity of information and can comprise the fault repair operation, can comprise the trouble location data of hydraulic excavator in the mantenance data.Except that from the maintenance activity of management server 112 sides indication, produce fault and produce repairing in case of necessity in the hydraulic excavator side, utilize maintenance to finish switch 127 and send fault repair information to management server 112 sides, be recorded as the mantenance data storehouse.
At the data transmit-receive that carries out separately between each hydraulic excavator 111A-111C and the management server 112 based on the two-way communication between above-mentioned maintenance monitor apparatus 141 and the management server 112.
According to the above embodiments 3, constitute between each of central server and a plurality of Work machines and carry out two-way communication via electrical communication lines such as telecommunication satellite and internets, possess in the Work machine and collect the essential mantenance data of maintenance management and be stored in maintenance monitor apparatus in the storage part, when the operating unit of finishing is understood in operation when maintenance activity is finished, send mantenance data from trend central server side, so the attendant does not wait the hand input operation of carrying out before not needing, and can send mantenance data really by automation.
In addition, in the central server side, utilize the service data and the mantenance data of storing in the database, each Work machine making necessary position of maintenance and maintenance timing are used as repair message, send to corresponding Work machine, prompting operation person is so can carry out maintenance activity really.
The foregoing description is although understand the example of hydraulic excavator, but is not necessarily limited to this content.Also can be crane and other Work machine for building (building machinery).In addition, also can be Work machine in addition for building.That is, but as long as the communication line of available two-way communication connects the center of Work machine and this Work machine of management of field operation, all applicable the present invention of which kind of Work machine.
In the above-described embodiments, though for example understand and receive and dispatch letter, be not necessarily limited to this content by telecommunication satellite.For example, also can utilize GSMs such as portable phone and PHS phone to carry out the transmitting-receiving letter of data.In addition, also can utilize other wireless system to receive and dispatch letter data.
In the above-described embodiments, be stored in advance in the internal storage device, be not necessarily limited to this content though for example understand the program that the management server at Work machine and center is carried out.For example, also can receive providing of program by CD-ROM21 shown in Figure 1, recording mediums such as 35.In addition, also can be connected with the procedure service device, accept to provide from the procedure service device by the internet.And, the providing of program of Work machine also can be provided from the management server of Fig. 1 and Fig. 9.Under situation by internet and telecommunication satellite, program is embedded carrier wave as data-signal, send by communication line.Thus, the computer program product with the embodied on computer readable of various forms such as procedure operation recording medium and carrier wave provides.
Structure, shape, size and the configuration relation of the foregoing description explanation only is to understand, implementing to schematically illustrate on the degree of the present invention, and in addition, numerical value also is not limited to example.Therefore, the invention is not restricted to the embodiment of above-mentioned explanation, only otherwise break away from the scope of technological thought of the present invention, variable more various forms.
Claims (8)
1. Work machine maintenance system has:
A plurality of Work machines; With
Central server, and above-mentioned a plurality of Work machine between each, via communication line,, manage the maintenance of above-mentioned a plurality of Work machines by two-way communication transmitting-receiving data,
Above-mentioned Work machine possesses the service data storage device, storage service data and mantenance data; Operating means, the input maintenance activity is finished; Data sending device, to above-mentioned central server send above-mentioned service data, the maintenance activity that provided by the aforesaid operations device finishes data and above-mentioned mantenance data; Data sink receives the data about the repair message that sends from above-mentioned central server; And display unit, show above-mentioned repair message,
Above-mentioned central server possesses data sink, receives the above-mentioned service data, the above-mentioned maintenance activity that send and finishes data and above-mentioned mantenance data; Above-mentioned service data is stored in the service data storehouse; Above-mentioned mantenance data is stored in the mantenance data storehouse; Calculation element calculates maintenance timing based on the above-mentioned mantenance data that is stored in the above-mentioned service data in the above-mentioned service data storehouse and be stored in the above-mentioned mantenance data storehouse; And data sending device, send data to above-mentioned Work machine about the repair message that comprises above-mentioned maintenance timing.
2. the maintenance system of Work machine according to claim 1 is characterized in that:
The maintenance activity of being finished information by the input of aforesaid operations device comprises the fault repair operation,
The trouble location data that in above-mentioned mantenance data, comprise above-mentioned Work machine.
3. Work machine possesses:
Communicator via communication line, carries out the transmitting-receiving of information by two-way communication and the central server that a plurality of Work machines of management keep in repair;
Operating means is accepted the input operation that maintenance activity is finished;
Storage device, information is finished in the maintenance that storage is finished about maintenance activity; With
Control device in case the aforesaid operations device is accepted the input operation that above-mentioned maintenance activity is finished, then sends the maintenance of storing in the above-mentioned storage device by above-mentioned communicator to above-mentioned central server and finishes information.
4. Work machine according to claim 3 is characterized in that: also possess
Display unit,
Above-mentioned control device receives the maintenance indication information about the maintenance indication of sending from above-mentioned central server by above-mentioned communication line, and shows the maintenance indication information that receives in above-mentioned display unit.
5. Work machine according to claim 4 is characterized in that:
The operation information that above-mentioned memory device stores turns round about Work machine,
Above-mentioned control device sends the operation information in above-mentioned storage device stored through above-mentioned communicator to above-mentioned central server with predetermined timing.
6. the central server of management operations machinery maintenance possesses:
Communicator via communication line, carries out the transmitting-receiving of information by two-way communication and Work machine;
The mantenance data storehouse, storage is about the information of above-mentioned Work machine maintenance; With
Control device by above-mentioned communicator, receives the maintenance of finishing about the maintenance activity of the above-mentioned Work machine that sends from above-mentioned Work machine and finishes information, and information is finished in the above-mentioned maintenance that receives is stored in the above-mentioned mantenance data storehouse.
7. central server according to claim 6 is characterized in that: also possess
Storage is about the service data storehouse of the operation information of above-mentioned Work machine running,
Above-mentioned control device receives the above-mentioned operation information that sends from above-mentioned Work machine by above-mentioned communication line, and the above-mentioned operation information that receives is stored in the above-mentioned service data storehouse.
8. central server according to claim 7 is characterized in that:
Above-mentioned control device is based on the operation information of storing in the above-mentioned mantenance data storehouse about above-mentioned Work machine running about storing in the information of above-mentioned Work machine maintenance and the above-mentioned service data storehouse, generation sends the maintenance indication information of above-mentioned generation about the maintenance indication information of above-mentioned Work machine maintenance indication to above-mentioned Work machine by above-mentioned communicator.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001137809A JP4897152B2 (en) | 2001-05-08 | 2001-05-08 | Construction machine failure diagnosis method and construction machine failure diagnosis system |
| JP137809/01 | 2001-05-08 | ||
| JP219601/01 | 2001-07-19 | ||
| JP2001219601A JP4711321B2 (en) | 2001-07-19 | 2001-07-19 | Work machine maintenance system using two-way communication |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028015746A Division CN1250824C (en) | 2001-05-08 | 2002-04-26 | Working machine, trouble diagnosis system of working machine, and maintenance system of working machine |
Publications (2)
| Publication Number | Publication Date |
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| CN1746438A true CN1746438A (en) | 2006-03-15 |
| CN1746438B CN1746438B (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510108469 Expired - Fee Related CN1746438B (en) | 2001-05-08 | 2002-04-26 | Working machine, failure diagnosis system for work machine and maintenance system for machines |
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| Country | Link |
|---|---|
| JP (1) | JP4897152B2 (en) |
| CN (1) | CN1746438B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103389709A (en) * | 2013-07-19 | 2013-11-13 | 深圳市研慧科技有限公司 | Vehicle-mounted information service system of construction machinery and vehicle-mounted terminal |
| CN106327991A (en) * | 2016-10-20 | 2017-01-11 | 湖南众航科技有限公司 | Intelligent excavator comprehensive experiment platform |
| CN108605173A (en) * | 2016-02-02 | 2018-09-28 | 株式会社多田野 | Server, Long-Range Surveillance System and remote monitoring method |
| CN111684483A (en) * | 2018-03-29 | 2020-09-18 | 株式会社小松制作所 | Information management device, information management method, and information management system for work machine |
| CN114364846A (en) * | 2019-09-03 | 2022-04-15 | 日立建机株式会社 | On-site management system and work machine |
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| US7617029B2 (en) * | 2004-07-19 | 2009-11-10 | United Technologies Corporation | System and method for fault code driven maintenance system |
| JP2007186289A (en) * | 2006-01-12 | 2007-07-26 | Kobelco Cranes Co Ltd | Working machine diagnostic apparatus, diagnostic method, and working machine |
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| CN103459728A (en) | 2011-05-16 | 2013-12-18 | 住友重机械工业株式会社 | Shovel, monitoring device therefor, and shovel output device |
| EP2876892A4 (en) | 2012-07-19 | 2015-08-26 | Sumitomo Shi Constr Mach Co | Management device and management method for shovel |
| CN103019908A (en) * | 2012-12-07 | 2013-04-03 | 陕西千山航空电子有限责任公司 | Vxworks multi-task monitoring technological method based on multiple buses |
| CN103439944A (en) * | 2013-08-27 | 2013-12-11 | 中联重科股份有限公司渭南分公司 | Engineering machine intelligent fault diagnosis system and method and engineering machine |
| JP2015063864A (en) * | 2013-09-26 | 2015-04-09 | 住友建機株式会社 | Shovel and control device for the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103389709A (en) * | 2013-07-19 | 2013-11-13 | 深圳市研慧科技有限公司 | Vehicle-mounted information service system of construction machinery and vehicle-mounted terminal |
| CN103389709B (en) * | 2013-07-19 | 2016-03-09 | 深圳市研慧科技有限公司 | Engineering machinery vehicle-mounted information service system and car-mounted terminal |
| CN108605173A (en) * | 2016-02-02 | 2018-09-28 | 株式会社多田野 | Server, Long-Range Surveillance System and remote monitoring method |
| CN106327991A (en) * | 2016-10-20 | 2017-01-11 | 湖南众航科技有限公司 | Intelligent excavator comprehensive experiment platform |
| CN111684483A (en) * | 2018-03-29 | 2020-09-18 | 株式会社小松制作所 | Information management device, information management method, and information management system for work machine |
| CN111684483B (en) * | 2018-03-29 | 2024-01-30 | 株式会社小松制作所 | Information management device, information management method, and information management system for work machine |
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| CN114364846B (en) * | 2019-09-03 | 2024-02-20 | 日立建机株式会社 | Site management system and work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1746438B (en) | 2012-05-09 |
| JP4897152B2 (en) | 2012-03-14 |
| JP2002332664A (en) | 2002-11-22 |
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