KR20190077559A - Remote recovery system of elevator faults - Google Patents

Abstract

The elevator control device 200 transmits a failure signal to the remote recovery device 300 when it detects an abnormality in the driveline device based on the rotor phase θ and the current values Iu, Iv and Iw. The remote recovery device 300 is configured to detect an emergency state in which the elevator car 22 is lifted and lowered by the intermittent braking of the brake 401 while the supply of the retrograde power to the rotating electric machine 400 is stopped, And causes the elevator control device 200 to execute the operation. The remote recovery device 300 also performs the operation of correcting the magnetic pole correction operation to the rotating electric machine 400 executed as the recovery operation based on the rotor phase [theta] and the current values Iu, Iv and Iw at the time of the emergency operation . This makes it possible to determine in advance whether or not the execution of the stimulation correction is appropriate when an abnormality in the drive system device is detected.

Description

Remote recovery system of elevator faults

The present invention relates to a system for remotely recovering a fault in an elevator.

2. Description of the Related Art Conventionally, for example, as in Patent Document 1, when an abnormality of a driveline device for raising and lowering an elevator car of an elevator is detected, a rotary electric machine (traction machine) of a driveline device and a rotor phase A magnetic pole correction operation for correcting the magnetic pole deviation of the encoder may be performed.

Patent Document 1: JP-A-2009-280318

Incidentally, the cause of the driv- er-based instrument is not limited to the phase shift between the rotating electrical machine and the encoder, but a plurality of causes such as an encoder and a break of rotating electrical machine can be considered. In the case where the magnetic pole correction is performed on the faulty drive system equipment due to a cause other than the phase shift, it is natural that the drive system equipment can not be restored and there is a concern that the failure scale may be increased, such as an increase in the fault equipment. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a remote recovery system for an elevator fault, in which it is possible to determine in advance whether or not the execution of the stimulation correction is appropriate when an abnormality of the driveline apparatus is detected.

A remote recovery system for an elevator failure according to the present invention comprises a rotary electric machine capable of ascending and descending an elevator car of an elevator, an encoder for detecting a rotor phase of the rotary electric machine, and a drive system for detecting a current of a wiring connected to the rotary electric machine An elevator control device for controlling a driveline device based on a rotor phase detected by an encoder and a current value detected by a current sensor, and an elevator control device communicating with the elevator control device, And a remote recovery device for performing a recovery operation of the remote control device. The elevator control device transmits a failure signal to the remote recovery device when it detects an abnormality of the driveline device based on the rotor phase and the current value. The remote recovery device is configured to perform emergency operation (scale removal operation) for elevating the elevator car by intermittent braking of the brake in a state in which supply of the retrograde power to the rotating electric machine is stopped when the fault signal of the driv- er system device is received, Execute it on the device. The remote recovery device also determines whether or not to execute the magnetic pole correction operation for the rotating electric machine executed as the restoring operation, based on the rotor phase and the current value at the time of the emergency operation.

In the above invention, when the difference between the frequency of the rotor phase at the time of the emergency operation and the frequency of the current value outputted from the rotating electric machine regenerated according to the emergency operation is within a predetermined difference, The magnetic pole correction operation may be executed.

In the above invention, when at least one of the waveform of the rotor phase at the time of the emergency operation and the waveform of the current value at the time of the emergency operation is non-periodic, the remote recovery device executes the stimulus correction operation May be prohibited.

According to the present invention, it is possible to determine in advance whether or not the execution of the stimulation correction is appropriate when an abnormality in the drive system device is detected.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a system diagram showing a configuration of a remote recovery system for an elevator failure in an embodiment of the present invention. FIG.
2 is a functional block diagram of a remote recovery system for an elevator failure in an embodiment of the present invention.
3 is a diagram showing a configuration of the maintenance database shown in Fig.
4 is a diagram showing the configuration of the recovery diagnosis database shown in Fig.
5 is a flowchart showing the operation of a remote recovery system for an elevator failure in an embodiment of the present invention.
6 is a flowchart showing the operation of a remote recovery system for an elevator failure in an embodiment of the present invention.
7 is a diagram showing the configuration of another restoration diagnostic database.
8 is a diagram showing the configuration of another restoration diagnostic database.
Fig. 9 is a view for explaining the configuration of an elevator in the embodiment of the present invention. Fig.
FIG. 10 is a functional block diagram of a remote recovery system for an elevator failure in the embodiment of the present invention, in which a functional block for executing an emergency operation is added.
11 is a flowchart showing the operation of a remote recovery system of an elevator failure in an embodiment of the present invention.
12 is a flowchart showing the operation of the remote recovery system of an elevator failure in the embodiment of the present invention, and is a flowchart including an emergency operation flow.
13 is a diagram exemplifying the detection values of the current sensor and the encoder at the time of the emergency operation.

Hereinafter, an elevator failure remote recovery system 100 according to the present embodiment will be described with reference to the drawings. 1, the remote restoration system 100 includes an elevator control device 200 for performing drive control of an elevator 20 disposed in a hoistway 11 of a building 10, an elevator control device 200 for communicating with the elevator control device 200, And a remote recovery device (300) for causing the elevator (20) to perform a failure recovery operation. The elevator 20 for allowing the remote recovery apparatus 300 to perform the recovery operation may be one rental or plural rental. When there are a plurality of elevators 20, each elevator 20 may be installed in the same building 10 or may be installed in a different building 10.

The elevator control device 200 includes a control panel 210 for controlling the driving of the elevator 20 and a communication device 250. The control panel 210 is a computer including a CPU and a memory therein. The remote recovery apparatus 300 further includes a remote monitoring center 310 including the communication device 320 and the monitoring unit 330, the information processing apparatus 360, the maintenance database 370, the recovery diagnosis database 380 ). The remote monitoring center 310, the information processing apparatus 360, the maintenance database 370, and the recovery diagnosis database 380 may be installed at the same place, or may be installed at different places and connected to each other via an Internet line .

The communication device 250 is connected to the control panel 210 and sends the output from the control panel 210 to the communication network 30. [ The communication device 250 receives the instruction for the selected control panel 210 through the communication device 320 and the communication network 30 with reference to the recovery diagnosis database 380 by the information processing device 360, (210). The communication device 320 receives a signal from the control panel 210 through the communication device 250 and the communication network 30 and outputs the signal to the information processing device 360. [ The communication device 320 transmits a command to the control panel 210 selected by the information processing device 360 to the communication network 30. [ The communication devices 250 and 320 may serve as a base for performing wireless communication and a base for performing wired communication. The communication network 30 may be an Internet communication network or a telephone line network.

The remote monitoring center 310 is provided with a monitoring unit 330 for exchanging data with the information processing apparatus 360 and monitoring the operation status and the failure status of the elevator 20. [ The monitoring panel 330 is provided with a display 331 on which the operation status of the elevator 20, a failure situation, a notification from the information processing device 360 and the like are displayed and a switch 332 for operating the display on the display 331 have. The monitoring unit 330 is also provided with a telephone 333 for communicating with the service center 340 via the communication network 35. [

The maintenance database 370 stores the specifications of the elevator 20, history data such as inspection, repair, and repair. The recovery diagnosis database 380 stores a plurality of failure factors corresponding to the failure codes output from the control panel 210 of the elevator 20, and data such as the number of the failures and the recovery rate.

The information processing apparatus 360 is a computer including a CPU and a memory therein. A failure signal output from the control panel 210 when a failure occurs in the elevator 20 is input to the information processing apparatus 360 through the communication apparatuses 250 and 320 and the communication network 30. When the failure signal is input, the information processing apparatus 360 refers to the data in the recovery diagnosis database 380 and selects a recovery command and a recovery diagnosis command corresponding to the failure code included in the failure signal. The selected restoration command and the restoration diagnosis command are inputted to the control panel 210 through the communication devices 250 and 320 and the communication network 30 to execute the restoration operation and the restoration diagnosis operation to the elevator 20. [

2, the maintenance database 370 stores elevator specification data 371, inspection history data 372, maintenance work history data 373, remote maintenance history data 374, modulation history data 375, Repair history data 376, failure history data 377, failure-specific data 378, and operation history data 379 are stored. The data structure of the operation history data 379 will be described later.

3, the elevator specification data 371, inspection history data 372, maintenance work history data 373, remote maintenance history data 374, modulation history data 375, repair work history data 372, 376, fault history data 377, and fault-specific data 378 will be described.

The elevator specification data 371 has a data structure for storing the management number of the elevator 20, the model, the manufacturing date, the manufacturing number, the name of the building to be installed, and the data of the use of the building to be installed. The purpose of the installation building is, for example, an office, a general residence, a restaurant, a school, and the like.

The inspection history data 372 has a data structure for storing the control number of the elevator 20, the date and time of the inspection performed locally by the descriptor 350, inspection items, and inspection result data. Inspection is carried out by, for example, inspecting the opening and closing states of the doors 13 and 26 of the elevator 20 shown in Fig. 1, inspecting the stop positions of the layers (the layer 12 and the bottom 27 of the elevator car 22) The inspection of the wire 23, the inspection of the traveling speed, and the like. Incidentally, the inspection result is inputted as a result of the inspection, whether or not an abnormality has been found, a repair operation such as cleaning which is not found abnormally, or that requires replacement of the component soon. In Fig. 1, reference numeral 25 denotes a weight.

The maintenance work history data 373 has a database structure for storing the maintenance number of the elevator 20, the repair work date and time of the elevator 20 performed by the engineer 350, the maintenance work item, and the repair work result. The maintenance work items include, for example, a check of the operating state of the elevator 20, a cleaning of the door rails of the elevator 20, a lubrication to the drive unit 24 shown in FIG. 1, a brake adjustment of the elevator 20 to be. The results of the maintenance work include the results of inspection, cleaning, refueling, and adjustment.

The remote maintenance history data 374 has a data structure for storing the management number of the elevator 20, remote maintenance date and time, remote maintenance items, and remote maintenance results. The remote control of the elevator 20 is carried out by the control panel 210 of the elevator 20 according to a preset schedule, for example once a month. The control panel 210 of the elevator 20 moves the elevator car 22 of the elevator 20 shown in Fig. 1 to a predetermined layer. It is checked by the various sensors mounted on the elevator 20 whether there is any abnormality in the operation performance (acceleration, abnormal sound (presence or absence), door opening / closing, braking, emergency battery and external communication device). And stores the check result in the remote check history data 374 from the information processing device 360 via the communication devices 250 and 320 and the communication network 30. [ The remote monitoring may be performed by an instruction from the remote monitoring center 310. [

The modulation history data 375 has a data structure for storing the management number of the elevator 20, the date and time of occurrence of modulation, the modulation item, and the modulation correspondence result. Modulation of the elevator 20 refers to a case where the result of inspection, inspection, maintenance work, or remote inspection by the engineer 350 does not reach an abnormal value but is changed from a normal value of the elevator 20 . For example, when the result of the inspection of the running speed is within the allowable value, but when the difference from the results of the previous inspection of the elevator 20 is large at the time of the last inspection, Driving speed ".

The repair history data 376 has a data structure for storing the maintenance number of the elevator 20, the date and time of the repair work, the repair work item, and the repair work result. Repair work is repair work by replacing parts such as replacement of wire (23), hanger roller exchange, brake pad exchange, control board exchange and relay exchange. Therefore, the name of the replacement part such as "wire exchange", "hanger roller exchange", "brake pad exchange", etc. is inputted to the repair work item, and the column of the repair work result includes "repair work end" &Quot; are input.

The fault history data 377 has a data structure for storing the control number of the elevator 20, a fault occurrence date and time, a fault code, a restoration method, and a restoration judgment result. The fault code is a code that combines numerals or numerals and alphabetic characters output from the control panel 210 when a failure occurs in the elevator 20. The number of types of failure codes is, for example, about 1000 types. In the item of the restoration method, for example, when the technician 350 is dispatched for inspection, inspection, and restoration, "technician dispatch" is input. The item of the recovery method is input, for example, as " remote recovery " when the remote recovery system 100 is restored. When the elevator 20 is restored and the operation is resumed, the item of the restoration judgment result is inputted as " restoration ". In the item of the restoration judgment result, when the elevator 20 fails to recover, it is inputted as " FAIL ".

The fault-specific data 378 indicates the number of fault factors corresponding to the fault code, based on the result of inspection and inspection conducted by the engineer 350 at the site when the fault code is output from the control panel 210, And the total number of failure factors corresponding to the failure code when restoring to the recovery system 100 is stored. For example, if the fault code is 0001 indicating a fault with respect to the doors 13 and 26, the engineer 350 checks the area locally. As a result, the factor outputting the fault code " 0001 " Failure factor 1), contact failure of the switch of the door opening / closing device (failure factor 2), or other failure factor 3. Thus, the data for each failure cause are as follows. When the failure code "0001" is output, 100 cases are caused by the accumulation of the garbage at the door threshold (failure factor 1), 100 cases where the contact failure of the switch of the door opening / The data is arranged in the order of the number of cases in the data structure in which the number of cases is 50 and the case of the other failure factors 3 is 10 cases. In the case of restoration by the remote restoration system 100, when the recovery of the elevator 20 is successful by the restoration command, the number of failure factors corresponding to the failure code serving as the basis of the restoration command is the number Lt; / RTI >

As shown in Fig. 4, the recovery diagnosis database 380 includes a recovery diagnosis instruction set, which is a set of a recovery instruction and a recovery diagnosis instruction, and a recovery diagnosis instruction set (%), Which is the rate at which the failure of the elevator 20 is restored by the restoration ratio (%). The recovery diagnosis database 380 is a database linking the recovery diagnosis command set and the recovery rate to the failure-specific data 378 described earlier.

Hereinafter, the data configuration of the recovery diagnosis database 380 in the case where the failure code is "0001" indicating the failure relating to the doors 13, 26 will be described. In the case of the garbage accumulation factor (failure factor 1) of the door threshold, the recovery diagnosis data includes "door circuit reset + door high-torque opening / closing" as the recovery command, "door open / Diagnosis ", which is a set of two commands, and a recovery rate x% of the recovery operation by the recovery command. Likewise, when the contact failure of the switch of the door opening / closing apparatus is a factor (failure factor 2), the recovery diagnosis data includes "door circuit reset + door opening / closing retry" And a recovery diagnosis command set B, which is a set of two commands of " door opening / closing diagnosis " as a diagnosis command, and a recovery rate y% of a recovery operation based on this recovery command. Likewise, in the case of the failure factor 3, the recovery diagnosis data has a data structure in which the recovery diagnosis command set C and the recovery rate z% are linked to the number-of-failure data elements 3. In this way, the recovery diagnosis database 380 stores the failure code, the failure factor corresponding to the failure code, the number of the failure factors, the recovery diagnosis command set as the set of the recovery command and the recovery diagnosis, . In this embodiment, the recovery rate y% is larger than the recovery rate x%, z%, and the recovery diagnosis command set B has a higher recovery rate than the recovery diagnosis command set A and the recovery diagnosis command set C.

Hereinafter, the operation of the remote recovery system 100 when a failure signal is transmitted from the elevator 20 will be described with reference to Figs. 2, 5, and 6. Fig. In the following description, a description will be given of the remote recovery operation when the failure code signal "0001" relating to the doors 13, 26 is first transmitted. Next, a description will be given of the remote restoring operation when the failure code "0002" related to the control circuit incorporated in the control panel 210 is transmitted. Next, a description will be given of the remote restoring operation when the failure code " 0003 " relating to the brakes in the drive unit 24 is transmitted. Further, the remote recovery system 100 can cope with a case where a failure code related to the other parts is transmitted.

As shown in step S101 of FIG. 2 and FIG. 5, the control panel 210 of the elevator 20 makes a determination as to whether or not a failure has occurred in the elevator 20. When a failure of the doors 20 and 13 of the elevator 20 occurs, for example, a door open / close failure occurs, the control panel 210 displays the failure occurrence date and time and the failure code Quot; 0001 " to the communication device 250. If no failure occurs in the elevator 20, the control panel 210 returns to the beginning of step S101 and continues monitoring of the elevator 20.

When the failure code "0001" is input from the control panel 210, the communication device 250 transmits the failure code "0001" and the management number of the elevator 20 and the failure occurrence date and time as shown in step S102 in FIG. 2 and FIG. To the communication network (30). The communication device 320 of the remote monitoring center 310 receives the failure signal transmitted from the communication device 250 through the communication network 30 as shown in step S103 of FIG. 2 and FIG. Upon receiving the fault signal, the communication device 320 outputs the fault code "0001" included in the fault signal, the control number of the elevator 20, and the fault occurrence date and time to the information processing apparatus 360. The information processing apparatus 360 stores the inputted failure code "0001", the management number of the elevator 20, and the failure occurrence date and time in the failure history data 377 of the maintenance database 370.

Then, the information processing apparatus 360 determines whether or not the elevator 20 in which the failure has occurred can be remotely recovered, as shown in step S104 in Fig. The information processing apparatus 360 acquires the model of the elevator 20, the manufacturing date, and the manufacturing number from the elevator specification data 371 using the control number of the elevator 20, as shown in Figs. Based on the acquired specification data, the information processing device 360 confirms whether or not the elevator 20 is capable of a recovery command from the remote recovery apparatus 300, a recovery operation based on the recovery diagnosis command, and a recovery diagnosis operation . When the elevator 20 is a model that can not perform the remote restoration operation, the information processing apparatus 360 sends a signal notifying the remote monitoring center 310 that the remote restoration is impossible, as shown in step S124 in FIG. 2 and FIG. 5 Output.

2, the information processing apparatus 360 includes the inspection history data 372, the maintenance work history data 373, the remote maintenance history data 374, the modulation history data 375, the repair history data 375, (A) to (f) with reference to the fault history data 377 and the fault history data 377.

(a) The elevator (20) had an adjustment repair instruction in the latest inspection.

(b) The elevator 20 is scheduled to be repaired recently or on the same day.

(c) In the remote inspection, the elevator 20 was diagnosed as above.

(d) Recently, the elevator 20 has undergone modulation.

(e) The elevator 20 has recently been undergoing repair work.

(f) The elevator 20 has recently issued a fault signal based on the same fault code " 0001 ".

The information processing apparatus 360 sends the descriptor 350 to the building 10 rather than the recovery by the remote recovery system 100. In this case, And judges NO in step S104 of FIG. Then, as shown in step S124 of FIG. 2 and FIG. 5, the information processing apparatus 360 outputs a notification of the remote recovery impossibility to the remote monitoring center 310. FIG.

The information processing apparatus 360 also checks whether the building 10 has a lot of faulty signal transmission from the elevator specification data 371 and the fault history data 377 by using the control number of the elevator 20 do. In such a case, the information processing apparatus 360 determines that it is better to send the technician 350 to the building 10 than to the recovery by the remote recovery system 100, 5 in step S104. Then, the information processing device 360 outputs a notification of the remote recovery impossibility to the remote monitoring center 310 as shown in step S124 of FIG. 2 and FIG.

The notification of the remote recovery disablement that is output from the information processing device 360 to the remote monitoring center 310 is displayed on the display 331 of the remote monitoring center 310 as shown in FIG. When the monitor 334 confirms the display, the supervisor 334 instructs the elevator 20 to stop operating (pause) and performs the announce operation, as shown in step S125 in Fig. 2 and Fig. The supervisor 334 instructs the telephone 333 to dispatch the descriptor 350 to the building 10 in the service center 340 near the building 10 as shown in Fig. 2 and step S126 in Fig. 6 .

When the elevator 20 judges that the elevator 20 can not be remotely recovered in step S104 of Fig. 5, the information processing apparatus 360 determines in step S103 whether or not the inputted failure code "0001" and the management number of the elevator 20, And stores the occurrence date and time in the failure history data 377 of the maintenance database 370. The information processing device 360 then terminates the remote recovery operation without updating other data in the maintenance database 370 and updating the recovery diagnostic database 380. [

On the other hand, in step S104 shown in FIG. 5, the information processing apparatus 360 includes the inspection history data 372, the maintenance work history data 373, the remote maintenance history data 374, (G) to (n) below with reference to the data 375, the repair history data 376, and the failure history data 377. [

(g) The elevator 20 is a specification capable of performing a recovery command from the remote recovery apparatus 300, a recovery operation based on a recovery diagnosis command, and a recovery diagnosis operation.

(h) The elevator 20 did not have an adjustment repair instruction in a recent inspection.

(i) It is not expected that the elevator 20 will have a maintenance plan recently or on the same day, so that the possibility of misadjustment is not predicted.

(j) There is no abnormal diagnosis result in the elevator (20) at the remote check.

(k) Recently, there is no occurrence of modulation in the elevator 20.

(l) The elevator 20 is not currently undergoing repair work.

(m) The elevator 20 has not recently issued a fault signal based on the same fault code " 0001 ".

(n) The building (10) is not a building with a lot of malfunctioning signals.

If all of the above requirements (g) to (n) are satisfied, the information processing apparatus 360 determines YES in step S104 shown in FIG. 5, And notifies the start. This signal is displayed on the display 331 of the remote monitoring center 310. This informs the supervisor 334 of the remote monitoring center 310 that remote recovery of the elevator 20 is started.

When the information processing apparatus 360 notifies the remote monitoring center 310 of the start of remote recovery in step S105, the information processing apparatus 360 proceeds to step S106 shown in FIG. 5 and selects a recovery command and a recovery diagnosis command corresponding to the failure code "0001" do. First, as described with reference to FIG. 4, the recovery diagnosis database 380 is a database linking the recovery diagnosis command set and the recovery rate to the fault-specific data 378. Hereinafter, the data configuration of the restoration diagnostic database 380 in the case where the failure code is "0001" indicating a failure relating to the doors 13, 26 will be briefly described again. In the case of the garbage accumulation factor of the door threshold (failure factor 1), the recovery diagnosis data includes "door circuit reset + door high torque opening / closing" as a recovery command and "door opening / closing diagnosis" , And a recovery rate x% by a recovery operation based on the recovery command. Likewise, when the contact failure of the switch of the door opening / closing apparatus is a factor (failure factor 2), the recovery diagnosis data includes "door circuit reset + door open / close retry" as a recovery command to the number-of- Quot ;, and " door opening / closing diagnosis ", and a recovery rate y% of the recovery operation based on this recovery command. Similarly, in the case of the failure factor 3, the recovery diagnosis data has a data structure in which the recovery diagnosis command set C and the recovery rate z% are linked to the number-of-failure data elements 3. As described earlier, the recovery rate y% is larger than the recovery rate x%, z%, and the recovery diagnosis command set B has a higher recovery rate than the recovery diagnosis command set A and the recovery diagnosis command set C.

The information processing apparatus 360 may select a command corresponding to the failure factor having the largest number of the plurality of failure factors corresponding to the failure code " 0001 " as the restoration command. The information processing apparatus 360 may select a command having the highest recovery rate among a plurality of commands corresponding to the failure code " 0001 " as the restoration command. Then, the information processing device 360 selects a recovery diagnosis command set having a recovery command corresponding to the selected recovery command and a recovery command selected.

First, a description will be given of a case where the information processing apparatus 360 selects, as a restoration instruction, a command in accordance with a failure factor having the greatest number of failure factors among a plurality of failure factors corresponding to the failure code "0001". The information processing apparatus 360 refers to the recovery diagnosis database 380 and identifies the failure factor having the greatest number of cases in the case of the failure code "0001" as the restoration command. Then, the information processing apparatus 360 performs a "door circuit reset + door high-torque opening / closing operation", which is a restoration command for executing a restoration operation corresponding to the accumulation of the garbage of the door threshold (failure factor 1) And a " door opening / closing diagnosis " which is a recovery diagnosis command for executing a recovery diagnosis operation corresponding to the result of the operation.

Next, a case where the information processing apparatus 360 selects a command with the highest recovery rate among a plurality of commands corresponding to the failure code " 0001 " is selected as a restoration command. The information processing apparatus 360 refers to the recovery diagnosis database 380 and confirms the recovery rate having the highest recovery rate corresponding to the failure code "0001" as the recovery command. Then, the information processing apparatus 360 determines whether or not the " door circuit reset + door open / close retry ", which is a recovery command for executing a recovery operation corresponding to the factor (the failure factor 2) And a " door opening / closing diagnosis " which is a recovery diagnosis command for executing a recovery diagnosis operation corresponding to the result of the operation.

In the case of selecting the recovery diagnosis command set, the selection of whether to base the failure number with the greatest number of failure factors corresponding to the failure code "0001" or based on the recovery rate of the recovery diagnosis command set corresponding to the failure code "0001" It may be done together. For example, the ratio of the maximum number of cases to the number of the following cases (number of cases) and the ratio of the maximum recovery rate to the next recovery rate (recovery rate ratio) You can also select. Further, for example, when the previous remote recovery fails, the selection method different from the previous selection may be adopted. The selection of the recovery diagnosis command set may be determined, for example, by the type, specification, etc. of the elevator 20.

In the following description, the case where the information processing apparatus 360 selects the restoration diagnostic command set A based on the failure factor 1 having the largest number of failures corresponding to the failure code "0001" will be described.

When the recovery diagnosis command set A is selected in step S106 in Fig. 5, the information processing apparatus 360 transmits the selected recovery diagnosis command set A from the communication device 320 as shown in step S107 in Fig. 2 and Fig. 5 . As shown in step S108 of FIG. 2 and FIG. 5, when the communication device 250 receives the recovery diagnosis command set A from the communication device 320, the communication device 250 outputs the recovery command and the recovery diagnosis command to the control panel 210. [

5, the control panel 210 first determines whether the elevator 20 is stopped, the weight sensor of the elevator car 22, the camera in the elevator car 22, It is confirmed from the output of the person sensor or the like that there is no passenger in the car 22. When the control panel 210 confirms that the elevator 20 is stopped and there is no passenger in the elevator car 22, the control panel 210 starts the remote recovery from the speaker of the communication device installed in the elevator car 22. The door of the elevator is opened and closed. &Quot; and the like.

When the announcement is terminated, the control panel 210 proceeds to step S110 in Fig. 5 and executes the recovery operation in accordance with the recovery command. Since the received restoration command is "door circuit reset + door high torque opening / closing", which is a restoration command for executing the restoration operation corresponding to the garbage accumulation of the door threshold (failure factor 1), the control panel 210 first , And the door circuit of the control panel 210 is reset. This operation resets the state in which the door circuit detects that the door 13 or the door 26 can not be opened or closed and is in the open (or closed) state or half-open (or semi-closed) Or the door 26 to be opened or closed. Next, the control panel 210 increases the torque of the drive motor of the door 13 and the door 26 by 20 to 30% higher than usual, and opens and closes the door 13 and the door 26 with a greater force than usual. This operation is an operation of moving the garbage accumulated on the threshold of the door from the threshold and returning the opening and closing operations of the doors 13 and 26 to the normal state. In order to confirm whether or not the garbage accumulated on the threshold of the doors 13 and 26 has moved by the above operation and the opening and closing of the doors 13 and 26 have been restored, the control panel 210 displays, as shown in step S111 in Fig. 5 Quot; door opening / closing diagnosis " as a recovery diagnosis command. The control panel 210 opens and closes the door 13 and the door 26 with a normal torque and determines whether or not the opening and closing operation can be performed at a predetermined opening and closing time and the current of the driving motor of the door 13 and the door 26 It is confirmed whether or not it is larger than normal. Next, the control panel 210 opens and closes the door 13 and the door 26 by making the torque of the driving motor lower by about 20% than usual, and confirms whether there is no abnormality in the opening / closing time.

5, the control panel 210 proceeds to step S113 in FIG. 5 when it determines that the doors 13 and 26 have been restored to the normal state by the recovery diagnosis operation. In step S113, the control panel 210 outputs a determination result signal indicating that the elevator 20 has been restored. This signal is transmitted from the communication device 250 to the communication network 30. [ The transmitted determination result signal is received by the communication device 320 as shown in step S114 in Fig. 6, and the determination result is input to the information processing apparatus 360. [ 6, the information processing apparatus 360 notifies the remote monitoring center 310 of the result of the determination, and the result is displayed on the display 331 of the remote monitoring center 310. [ The monitor 334 of the remote monitoring center 310 confirms this display and causes the elevator 20 to resume operation and announce operation as shown in step S116 of Fig. The information processing apparatus 360 updates the maintenance database 370 and the recovery diagnosis database 380 as shown in steps S117 and S118 in Fig.

On the other hand, if the control panel 210 determines NO in step S112 of FIG. 5 as a result of the recovery diagnosis operation, the control panel 210 proceeds to step S119 of FIG. In step S119, the control panel 210 outputs a determination result signal indicating that the recovery of the elevator 20 has failed. This signal is transmitted from the communication device 250 to the communication network 30. [ The transmitted determination result signal is received by the communication device 320 as shown in step S120 in Fig. 6, and the determination result is input to the information processing apparatus 360. [ 6, the information processing apparatus 360 notifies the remote monitoring center 310, and the result is displayed on the display 331 of the remote monitoring center 310. [ When the monitor 334 confirms this display, the supervisor 334 instructs the elevator 20 to stop operating and performs the announcing operation, as shown in step S122 of Fig. The supervisor 334 instructs the telephone 333 to dispatch the descriptor 350 to the building 10 in the service center 340 near the building 10 as shown in step S123 of Fig. 2 and Fig. 6 do. The information processing apparatus 360 updates the maintenance database 370 and the recovery diagnosis database 380 as shown in steps S117 and S118 in Fig.

The information processing apparatus 360 updates the maintenance database 370 as follows when a judgment signal indicating that the elevator 20 has been restored as shown in step S113 in Fig. 5 is inputted.

When the determination signal indicating that the elevator 20 has been restored as shown in step S113 in Fig. 5 is inputted, the information processing apparatus 360 displays the items of the recovery method of the failure history data 377 as " remote recovery & &Quot; recovery " is stored in the item of the determination result. First, as described above, when the communication device 320 receives the failure signal, the information processing device 360 receives the failure code "0001" input from the communication device 320 and the management number of the elevator 20, Is stored in the failure history data 377 of the maintenance database 370. Therefore, all the items of the failure history data 377 are updated by this recovery method and the restoration judgment result.

In this remote recovery, the information processing apparatus 360 refers to the recovery diagnosis database 380, and collects garbage at the door threshold, which is a failure factor having the largest number of failures in the case of the failure code "0001" Quot; door open / close diagnosis " which is a recovery diagnosis command for executing a recovery diagnosis operation corresponding to a result of the recovery operation, " door circuit reset + door opening / The recovery diagnosis command set A is selected to execute the recovery operation and the recovery diagnosis operation. Therefore, when the elevator 20 is successfully recovered, the number of the failure code "0001" and the failure factor 1 (garbage accumulation at the door threshold) in the recovery diagnosis database 380 is increased by one, Increase the recovery rate. Further, the information processing device 360 increases the number of the failure factors 1 of the failure code "0001" of the failure factor-specific data 378 by one.

On the other hand, when the determination signal indicating that the recovery of the elevator 20 has failed is input as shown in step S119 in Fig. 5, the information processing apparatus 360 executes the maintenance database 370 and the recovery diagnosis database 380). When the determination signal indicating that the recovery of the elevator 20 is unsuccessful as shown in step S119 of Fig. 5 is input, the information processing device 360 performs the " remote recovery " in the item of the recovery method of the failure history data 377 , &Quot; failure " is stored in the item of the recovery determination result. In addition, the number of the failure code "0001" and the failure factor 1 (garbage accumulation at the door threshold) of the recovery diagnosis database 380 is kept as it is, and the recovery rate is lowered by the failure of recovery. If the recovery fails, the number of failure factors 1 of the failure code "0001" of the failure factor data 378 is not changed.

In the above description, the case where the information processing apparatus 360 selects the recovery diagnosis command set A based on the failure factors having the greatest number of failures corresponding to the failure code "0001" has been described. When the information processing apparatus 360 selects the recovery diagnosis command set B based on the recovery rate of the recovery diagnosis command set corresponding to the failure code "0001", the recovery operation of "door high torque opening / And a "door opening / closing retry" for performing opening and closing operations of the doors 13, 26 again with the torque is performed again. The other operations are the same as when the recovery diagnosis command set A is selected.

If the remote recovery of the elevator 20 is successful, the number of garbage accumulation (failure factor 1) at the door threshold, which is the largest number of failure factors in the case of the failure code "0001", increases until then. Therefore, when the remote recovery system 100 selects the recovery diagnosis command set based on the largest number of failure factors corresponding to the failure code "0001", it is determined that the failure code "0001" is input during the next remote recovery , The information processing apparatus 360 selects the recovery diagnosis command set A again. When the recovery rate of the recovery diagnosis command set A is higher than the recovery rate of the recovery diagnosis command set B, the information processing apparatus 360 outputs a command with the highest recovery rate among the plurality of commands corresponding to the failure code "0001" The recovery diagnosis command set A is selected.

On the other hand, if the remote recovery of the elevator 20 fails, the number of the failure factors 1 of the failure code "0001" of the failure factor data 378 is not changed, but the recovery rate of the recovery diagnosis command set A is lowered. As a result, the recovery rate of the recovery diagnosis command set B becomes relatively high. That is, the recovery rate ratio of the recovery diagnosis command set B to the recovery diagnosis command set A is increased. When the ratio of the rate of recovery becomes larger than the ratio of the number of failure factors 1 to the number of failure factors 2, the information processing apparatus 360 sets a command with the highest rate of recovery among the plurality of commands corresponding to the failure code "0001" As a return command. Therefore, when the failure code "0001" is input during the next remote recovery, the information processing apparatus 360 selects the recovery diagnosis command set B having the highest recovery rate. When the information processing apparatus 360 does not select the failure diagnosis command set A that failed in the previous remote recovery, the failure diagnosis information is set to the failure factor 2 having the number of failures corresponding to the failure code "0001" Select Linked Recovery Diagnostic Command Set B.

When the information processing apparatus 360 has successfully recovered the elevator 20 by selecting the recovery diagnosis command set B having the highest recovery rate among the plurality of commands corresponding to the failure code "0001", the recovery diagnosis command set B . Therefore, in the following remote recovery, the information processing apparatus 360 selects the recovery diagnosis command set B as in the previous case. On the other hand, when recovery of the elevator 20 fails to the recovery diagnosis command set B, the recovery rate of the recovery diagnosis command set B is lowered. When the recovery rate of the recovery diagnosis command set B becomes lower than the recovery rate of the recovery diagnosis command set A, the information processing apparatus 360 selects the recovery diagnosis command set A. If the information processing apparatus 360 does not select the recovery diagnosis command set B that failed in the previous remote recovery, the recovery diagnosis command set B is followed by a recovery diagnosis command with high recovery rate corresponding to the failure code " 0001 & Select command set A.

In this way, the remote recovery system 100 increases the number of failure factors and the recovery rate of the selected recovery diagnosis command set when the remote recovery is successful. In addition, if the remote recovery system 100 fails in remote recovery, the number of failure factors remains unchanged, and the recovery rate of the selected recovery diagnosis command set is lowered. As a result, if the remote recovery is successful, the probability that the recovery diagnosis command set selected in the remote recovery is selected at the next remote recovery becomes high. Also, if a remote recovery fails, the set of recovery diagnostic commands selected by that remote recovery is less likely to be selected at the next remote recovery. Therefore, as the number of times of remote recovery increases, the information processing apparatus 360 can select a recovery diagnosis command set having a high possibility of recovery corresponding to the failure code from the recovery diagnosis database 380, The reliability of recovery can be improved.

In the above-described embodiment, the operation of the remote recovery system 100 when the failure code "0001" indicating failure of the doors 13, 26 is output from the control panel 210 has been described. Next, a case where a failure code "0002" indicating a failure relating to the control circuit is outputted from the control panel 210 will be described. A description of the same operation as that in the case where the failure code "0001" is output will be omitted.

When the trouble code is "0002" indicating the trouble relating to the control circuit, as a result of the fact that the technician 350 checked it locally, it is judged that the cause of outputting the trouble code "0002" is defective in the relay mounted on the control panel 210 (Failure factor 4), or if there is a defect in the relay drive circuit that drives the relay (failure factor 5) or other failure factor 6. In the case of the fault code "0002", the data 378 according to the fault factor includes 50 cases where the relay fault is a factor (fault factor 4), 100 cases where the relay driving circuit is a fault (fault factor 5) , And the number of data is 10 in the case of a failure factor 6 other than the data structure. In the case of restoration by the remote restoration system 100 as described above, when the recovery of the elevator 20 is successful due to the restoration command, the number of failure factors corresponding to the failure code serving as the basis of the restoration command is Is added to the number of failure factors of

As shown in FIG. 7, the recovery diagnosis database 380 is a database linking the recovery diagnosis command set and the recovery rate to the fault-specific data 378. Hereinafter, the data configuration of the recovery diagnostic database 380 in the case where the failure code is "0002" indicating a failure relating to the control circuit will be described. If there is a fault in the relay (fault 4), the recovery diagnosis data includes "control circuit reset + low speed up and down operation" as the recovery command and " &Quot;, which is a set of two instructions, and a recovery rate a by the recovery operation based on the recovery diagnosis command. When there is a defect in the relay drive circuit (failure factor 5), the recovery diagnosis data includes "control circuit reset + uppermost layer and lowest layer operation" as the recovery command and " Diagnosis ", which is a set of two instructions, and a recovery rate b% by the recovery operation based on the recovery diagnosis command. Likewise, in the case of the failure factor 6, the recovery diagnosis data has a data structure in which the number-of-failure data item 6 of the failure factor 6 is linked to the recovery diagnosis command set F and the recovery rate c%. As described above, the recovery diagnosis database 380 is configured to associate a failure code, a failure factor corresponding to the failure code, the number of the failure factors, a recovery diagnosis command set as a set of a recovery command and a recovery diagnosis command, It is stored in the database. In addition, b% of the recovery diagnostic command set E has the highest recovery rate.

In the case where the failure code is "0002", and the information processing apparatus 360 selects the recovery diagnosis command set D based on the failure factors having the greatest number of failures corresponding to the failure code "0002", the information processing apparatus 360 And sends the recovery diagnosis command set D to the control panel 210. The control panel 210 performs a low-speed up / down operation for raising and lowering the elevator car 22 of the elevator 20 at a low speed after executing the control circuit reset operation. Thereafter, the control panel 210 performs various operations such as stopping each floor without opening and closing the doors 13 and 26, and high-speed operation by operating the plurality of interstices at a high speed, Check whether there is any abnormality in running operation. When there is no abnormality in each layer operation and high-speed operation, the control panel 210 outputs the judgment result that the elevator 20 has been successfully recovered. When an abnormality is detected in each layer operation and high-speed operation, the control panel 210 outputs a determination result indicating that the recovery of the elevator 20 has failed. The determination result is input from the control panel 210 to the information processing apparatus 360 via the communication devices 250 and 320. [ The information processing apparatus 360 is provided with the failure history data 377, the failure factor specific data 378, the recovery diagnostic database 370, 380).

When the information processing apparatus 360 selects the recovery diagnosis command set E having the highest recovery rate corresponding to the failure code "0002", the information processing apparatus 360 transmits the recovery diagnosis command set E to the control panel 210 do. The control panel 210 executes the control circuit reset operation and then executes the lowest and uppermost levels of operation in which the elevator car 22 of the elevator 20 is moved between the lowermost layer and the uppermost layer. Next, the control panel 210 performs the above-described floor operation and high-speed operation to perform the recovery diagnosis of the elevator 20, and outputs a result of determination as to whether the recovery of the elevator 20 has succeeded or failed. Similar to the case described above, the determination result is input from the control panel 210 to the information processing apparatus 360 through the communication apparatuses 250 and 320. The information processing apparatus 360 updates the failure history data 377, the failure factor data 378, and the recovery diagnosis database 380 so that the recovery diagnosis command set having a higher recovery possibility can be selected based on the determination result .

Next, a description will be given of the case where the failure code is " 0003 ", which indicates that the failure is related to the brake.

If the fault code is 0003 indicating the fault relating to the brake, it is determined that the cause of the fault code " 0003 " ), Other failure factors (8), and failure factors (9). Therefore, in the case of the fault code "0003", the data 378 for each fault cause is that 100 cases of the fault of the brake circuit (fault 7), 50 cases of the fault 8, and 9 other faults In the data structure of 10 cases, the data is arranged in the order of the number of cases. In the case of restoration by the remote restoration system 100 as described above, when the recovery of the elevator 20 is successful due to the restoration command, the number of failure factors corresponding to the failure code serving as the basis of the restoration command is Is added to the number of failure factors of

As shown in Fig. 8, the recovery diagnosis database 380 is a database linking the recovery diagnosis command set and the recovery rate to the fault-specific data 378. Hereinafter, the data configuration of the restoration diagnosis database 380 in the case where the failure code is "0003" indicating failure relating to the brake will be described. When the brake circuit abnormality is a factor (failure factor 7), the recovery diagnosis data includes a set of two commands of "control circuit reset" as the recovery command and "brake torque diagnosis" as the recovery diagnosis command And the recovery rate d% due to the recovery operation based on the recovery diagnosis command. In the case of the failure factor 8 and the failure factor 9, the recovery diagnosis data is obtained by linking the recovery diagnosis command set H and the recovery rate e%, the recovery diagnosis command set I and the recovery rate f% to the respective count data of the failure factor 8 and the failure factor 9 Data structure. In this way, the recovery diagnosis database 380 stores the failure code, the failure factor corresponding to the failure code, the number of the failure factors, the recovery diagnosis command set as the set of the recovery command and the recovery diagnosis, . In addition, e% of the recovery diagnosis command set H is the highest in the recovery rate.

Next, the operation of the remote recovery system 100 when the control panel 210 detects a failure related to the brake will be described.

When the information processing apparatus 360 determines in step S106 of FIG. 5 that the failure code is " 0003 ", the information processing apparatus 360 sets the recovery diagnosis command set G is selected, the information processing apparatus 360 transmits the recovery diagnosis command set G to the control panel 210. [

When the failure code is " 0003 ", upon receipt of the recovery diagnosis command set G, the control panel 210 executes the brake torque diagnosis operation in the field confirmation shown in step S109 in Fig. The brake torque diagnosis operation is an operation in which the traction machine in the drive unit 24 is not rotated by a mechanical brake and a driving force is given to the traction machine to confirm that the traction machine does not rotate by the holding force of the brake. If there is no abnormality in this operation, the control panel 210 makes an alarm of remote recovery by assuming that the field check of the elevator 20 can be performed in step S109 of FIG. Thereafter, the process proceeds to step S110 in Fig. 5, where the control panel 210 executes the control circuit reset operation.

Thereafter, the control panel 210 executes the brake torque diagnosis operation. If there is no rotation of the traction machine by this operation, the control panel 210 outputs a result of the determination that the elevator 20 was successfully recovered. When the traction machine has rotated, the control panel 210 outputs a result of the determination that the recovery of the elevator 20 has failed. The determination result is input from the control panel 210 to the information processing apparatus 360 through the communication apparatuses 250 and 320. [ The information processing apparatus 360 updates the failure history data 377, the failure factor data 378, and the recovery diagnosis database 380 so that the recovery diagnosis command set having a high possibility of recovery can be selected based on the determination result.

In the same manner as described above, the information processing apparatus 360 may select the recovery diagnosis command set H having the highest recovery rate corresponding to the failure code "0003" to execute the recovery operation and the recovery diagnosis operation on the control panel 210 .

Further, when there is an abnormality in the brake torque diagnosis operation, the control panel 210 determines that remote recovery can not be started, and notifies the remote monitoring center 310 of the remote recovery failure, without executing the remote recovery operation .

As described above, the remote recovery system 100 is configured such that, when various faults occur in the elevator 20, the remote recovery system 100 restores the elevator 20 to the elevator 20 by a command from the remote recovery device 300 disposed at a place remote from the elevator 20 The elevator 20 can be restored by executing the operation and the restoration diagnosis operation. Therefore, when a failure occurs in the elevator 20, the elevator 20 can be restored in a short time without dispatching the technician 350 to the site, and the service of the elevator 20 can be improved.

In addition, the remote recovery system 100 may further include failure history data 377, failure-specific data 378, recovery data 378, and so on, so as to select a recovery diagnosis command set that is more likely to be recovered at the next remote recovery based on the recovery determination result. And updates the diagnostic database 380. Therefore, as the number of times of remote recovery increases, the information processing apparatus 360 can select an appropriate recovery diagnosis instruction set from the recovery diagnosis database 380 in comparison with the one corresponding to the failure code. As a result, the elevator 20 can be reliably restored and the time required for recovery can be shortened, thereby improving the service of the elevator 20.

<Remote recovery system of driveline device>

9 to 13, a remote recovery system including a remote recovery response to the driv- er system will be described. Fig. 9 exemplifies an enlarged view of the elevator 20 shown in Fig.

The elevator car 22 is suspended from the wire 23, and a weight 25 (counterweight) hangs from the other end of the wire 23. The wire 23 is hooked on a rotating electric machine 400 (a traction machine) that is a driving device 24 and the elevator car 22 (and the weight 25) can be raised and lowered by the rotating electric machine 400 . The rotating electric machine 400 is composed of, for example, a three-phase AC synchronous motor.

In order to make the rotary electric machine 400 and the elevator car 22 brakable, the rotary electric machine 400 is provided with a brake 401. The brake 401 includes, for example, a brake drum mounted on the rotary shaft of the rotary electric machine 400 and a brake shoe capable of being pressed / separated from the brake drum. The engagement (pressure contact) / release (separation) of the brake 401 is controllable by the control panel 210 (elevator control device 200).

Three-phase wirings 403u, 403v and 403w are connected to the rotating electric machine 400 and an inverter 402 is connected to the other ends of the three phase wirings 403u, 403v and 403w. The inverter 402 converts a power source such as a commercial power supply and supplies the power to the rotating electric machine 400 through the three-phase wirings 403u, 403v, and 403w when the rotating electric machine 400 is reversed. The inverter 402 also converts the regenerative power supplied from the rotating electrical machine 400 through the three-phase wirings 403u, 403v, and 403w during the regeneration of the rotating electrical machine 400 and supplies the regenerative power to an unillustrated power storage device.

The inverter 402 is composed of, for example, a three-phase inverter. For example, the inverter 402 has two switching elements for one phase, and six switching elements are provided in three phases. The ON / OFF of these switching elements is controlled by the control panel 210 (elevator control device 200).

Current sensors are provided in the three-phase wirings 403u, 403v, and 403w. In the example shown in Fig. 9, a current sensor 404u is provided on the u-phase wiring 403u, and a current sensor 404v is provided on the v-phase wiring 403v. Since the sum of the three-phase currents is zero, the w-phase current Iw can be obtained from the values of the current sensor 404u and the current sensor 404v. The detected values Iu and Iv of the current sensor 404u and the current sensor 404v are transmitted to the elevator control device 200 (control panel 210).

The encoder 406 is provided in the rotor of the rotating electric machine 400 and detects the rotor phase?. Further, the rotational speed of the rotating electric machine 400 can be obtained by differentiating the rotor phase?. The rotor phase? By the encoder 406 is transmitted to the elevator control device 200 (control panel 210).

The elevator control device 200 controls the drivetrain device based on the rotor phase? Received from the encoder 406 and the detected values Iu and Iv of the current sensor 404u and the current sensor 404v. For example, in the elevator control device 200, a feedback loop control system for the rotating electric machine 400 is constructed. For example, the elevator control device 200 generates a PWM control signal for controlling the switching elements of the inverter 402 based on the rotor phase?, The current values Iu and Iv, and a predetermined command value (e.g., torque command) do. Through the control of the inverter 402, the rotary electric machine 400 is driven and controlled.

When a magnetic pole shift occurs in which the position of the rotor of the rotary electric machine 400 deviates from the reference position of the encoder 406, the elevator control device 200 can perform the magnetic pole correction operation for eliminating the magnetic pole deviation . For example, when the non-interference control using the dq coordinate system is performed on the rotating electric machine 400, it is possible to determine the magnetic pole deviation from the value of the compensation voltage. In addition, by correcting the phase angle of the encoder 406 such that the d-axis current is set to 0, the magnetic pole deviation can be solved.

That is, in the non-interference control, the d-axis current, which is basically unnecessary for torque generation, is controlled to be zero. For example, when the rotary electric machine 400 rotates, an induced voltage is generated, an influence of the q-axis current appears on the d-axis voltage, and an influence of the d-axis current occurs on the q-axis voltage. In the non-interference control, the compensation voltage for the q-axis voltage is output in order to keep the d-axis current at zero. In other words, the compensation voltage is output so that the q-axis voltage does not interfere with the d-axis current. When the compensation voltage exceeds a predetermined threshold voltage, it is determined that a magnetic pole deviation occurs between the rotor position of the rotating electric machine 400 and the reference position of the encoder 406. After the occurrence of the magnetic pole deviation, the magnetic pole correction is executed. That is, the correction is applied to the phase angle detected by the encoder 406, the change in the d-axis current at that time is measured, and when this converges to 0, the rotor position of the rotating electric machine 400 and the reference of the encoder 406 It is determined that the positions are matched (aligned).

That is, even if an abnormality occurs in the driving system device of the elevator 20, when the cause of the abnormality is the magnetic pole displacement of the rotating electric machine 400 and the encoder 406, basically, The elevator 20 can be restored without the need for the elevator. As will be described later, the stimulus correction can be executed by a command from the remote restoration apparatus 300, and thus remote restoration is enabled.

In the following description, it is assumed that the rotary electric machine 400, the inverter 402, the encoder 406, and the current sensors 404u and 404v are included as the drive system devices of the elevator 20.

In the present embodiment, before the execution of the magnetic pole correction when the failure signal relating to the drive system device is transmitted, the execution of the magnetic pole correction is determined in advance. In the case where the cause of the failure of the drive system device is different from the correction of the magnetic pole correction, even if the magnetic pole correction is performed, the drive system device may not be restored and the failure may be widened. As in the present embodiment, by examining the validity of the execution of the stimulus correction in advance, it is possible to improve the recovery rate due to the stimulus correction and suppress the expansion of the failure.

10 shows an outline of the remote restoration system 100 according to the present embodiment. The difference from FIG. 2 lies in that an emergency operation execution command section is added to the information processing apparatus 360 of the remote recovery apparatus 300 in its functional block. The other structure is the same as that shown in Fig.

Fig. 11 illustrates a flowchart of the remote restoration operation according to the present embodiment. The difference from FIG. 5 lies in that step S1002 is inserted between step S103 and step S104, and reference symbol 4, which shifts from step S1002 to step S122, is provided. Hereinafter, the same steps as those in Fig. 5 will be appropriately omitted.

In step S101, the elevator control device 200 determines whether a failure has occurred in the elevator 20 or not. For example, in the case of failure of the drivetrain device, it is determined whether there is a failure or not on the basis of the rotor phase? Of the encoder 406 received by the elevator control device 200 and the currents Iu, Iv and Iw obtained from the current sensors 404u and 404v . For example, in the case of a magnetic pole deviation, the value of the compensation voltage determined based on the rotor phase? And the currents Iu, Iv, Iw in the control system (feedback loop control system) of the rotating electric machine 400 is set to a predetermined upper limit threshold value . At this time, a failure signal is transmitted from the elevator control device 200 to the remote recovery device 300.

If the information processing apparatus 360 receives the failure code in step S103, the information processing apparatus 360 determines whether the failure code is the code &quot; 0011 &quot; indicating the failure of the drive system device (S1002). If it differs from the code &quot; 0011 &quot;, the process proceeds to step S104.

The information processing apparatus 360 transmits an execution command of the emergency operation by the intermittent braking of the brake 401 to the elevator control device 200 (the control panel 210) (S1004).

It is necessary to quickly evacuate the passenger in the elevator car 22 out of the elevator car before performing the remote restoration operation. It is also preferable that, when the elevator car (22) is moved, it is preferable to avoid operating the driv- er system device that has been judged to be faulty in a state in which the passenger is present in the elevator car (22). The elevator control device 200 intermittently brakes the brake 401 in a state where the supply of the backward electric power to the rotating electric machine 400 is stopped, that is, alternately engaging and releasing the brake, And executes the emergency operation for raising and lowering. The movement direction (up / down) of the car 22 is determined by the weight difference between the car 25 and the car 22. [

At this time, the elevator control device 200 (control panel 210) receives the detection values of the current sensors 404u and 404v and the encoder 406 in the emergency operation and transmits them to the remote recovery device 300 in order . In the remote recovery apparatus 300, these values are stored as the operation history data of the maintenance database 370 through the remote monitoring center 310 and the information processing apparatus 360.

The elevator control device 200 determines whether or not the car 22 has reached the most recent floor (nearest floor) (S1006). For example, it is determined whether or not a cone-shaped switch 408 provided in the elevator car approaches the door zone plate (not shown) provided in the hoistway 11 and an ON signal is output. If it has not reached the latest floor, the process returns to step S1006.

When the elevator car 22 reaches the latest floor, the elevator control device 200 places the brake 401 in the engaged state. In addition, the door 13 (see Fig. 1) 26 is opened, and a retraction warning operation is performed using a display device, an audio output device, or the like in the elevator car 22 (S1008). For example, character display indicating that the car is withdrawn from the elevator car 22 to the layered structure 12 (see Fig. 1) and audio output.

In addition, it is determined whether or not there is a passenger in the car 22 by a surveillance camera (not shown) in the car 22 (S1010). For example, the elevator control device 200 determines the presence or absence of a passenger by image recognition. Alternatively, an image of the surveillance camera may be transmitted to the remote monitoring center 310 to determine the presence or absence of a passenger by the surveillance person.

If there is a passenger in the elevator car 22 in step S1010, the process returns to step S1008 to continue the evacuation warning operation. The elevator control device 200 terminates the emergency operation (S1012), and waits for an instruction from the remote restoration device 300. When the escape is completed and the passenger disappears in the car 22,

The information processing apparatus 360 receives the emergency operation termination signal from the elevator control device 200 and receives from the maintenance database 370 the operation history of the current sensors 404u and 404v and the encoder 406 during the emergency operation Data is acquired (S1014). Instead of all the three phases, the current to be acquired may be any one of the phases. In the example shown in Fig. 12, the current Iu is obtained from the current sensor 404u. In the following description, the current Iu is used as a representative value of the current for convenience, but the currents Iv and Iw may be used instead.

In the emergency operation, the electric rotating machine 400 in which the wire 23 is hooked is rotated in accordance with the elevation of the car 22 and the weight 25. Thereby, the rotor is driven, and the encoder 406 detects a change in the rotor phase?. Since the rotating electric machine 400 is regeneratively driven by the driving of the rotor, the current sensors 404u and 404v detect the current (regenerative current).

13 shows the detected value of the current Iu by the current sensor 404u and the bottom of FIG. 13 shows the waveform of the detected value of the rotor position θ by the encoder 406. In FIG. 13, the vertical axis represents the current Iu and the horizontal axis represents the time. In the graph at the bottom of FIG. 13, the ordinate represents the rotor position .theta., And the abscissa represents the time. Both graphs are synchronized on the horizontal axis. In the graph, Bk_OFF indicates a period during which the brake 401 is released (a period during which the car 22 ascends and descends), and Bk_ON indicates a period during which the brake 401 is engaged (a period during which the car 22 stops) It is pointing. That is, the engagement period of the brake 401 from the start point of the graph to the time t1, the release period of the brake 401 from the time t1 to the time t2, and the engagement period of the brake 401 after the time t3 .

In Fig. 13, there is shown an example in which the encoder 406 and the current sensors 404u and 404v are normal, that is, no abnormality that is different from the magnetic pole deviation occurs although the magnetic pole deviation occurs. As shown in this figure, even if a magnetic pole deviation occurs in the encoder 406, the changes in the rotor phase? And the currents Iu, Iv, and Iw shift to almost the same frequency accompanied by the phase shift.

On the other hand, when the encoder 406 and the current sensors 404u and 404v have an abnormality different from the magnetic pole deviation, for example, disconnection, a waveform different from that of FIG. 13 appears. For example, the case where the current Iu is constant even though the rotating electric machine 400 is regenerating, or the rotor phase detected by the encoder 406 is constant even though the rotor is rotating.

Based on the above, the information processing apparatus 360 executes the stimulus correcting operation executed as the restoring operation for the rotating electric machine 400 based on the rotor phase? And the current values Iu, Iv and Iw at the time of the emergency operation And judges whether or not it is possible.

More specifically, the information processing device 360 determines whether the waveforms of the currents Iu, Iv, and Iw are periodic (S1016). For example, as described above, the waveform is determined to be non-periodic, in which the value remains constant, or the period fluctuates severely. If it is determined to be a non-periodic cycle, the flow proceeds to step S1028.

When it is determined that the waveforms of the currents Iu, Iv, and Iw are periodic, the information processing apparatus 360 samples the pole values of at least one of the current values Iu, Iv, and Iw to calculate current frequencies fIu_k, fIv_k, fIw_k is obtained (S1018). Thereafter, the current frequency fIu_k is used as an appropriate representative value. k represents the wave number in the release period of the brake 401. [ In the example of FIG. 13, k = 1 to 5.

Next, the information processing device 360 determines whether the waveform of the rotor phase? Detected by the encoder 406 is periodic (S1020). For example, as in the case of the currents Iu, Iv and Iw, the waveforms in which the values remain constant or the cycles vary greatly are determined to be non-periodic. If it is determined to be a non-periodic cycle, the flow proceeds to step S1028.

When it is determined that the waveform of the rotor phase? Is periodic, the information processing device 360 samples the extremum (peak) of the waveform of the encoder 406 to obtain the rotor phase frequency fE_k (S1022). As with the current frequency fIu_k, k represents the wave number in the release period of the brake 401. [ In the example of FIG. 13, k = 1 to 5.

Further, the information processing apparatus 360 obtains a difference between the current frequency fIu_k and the rotor phase frequency fE_k, and determines whether or not the difference is within a predetermined difference. For example, the difference between fIu_1 and fE_1, the difference between fIu_2 and fE_2, ..., and the difference between fIu_5 and fE_5 are all added up, and this is divided by 5, and this is taken as the differential value (difference value = Σ (fIu_k-fE_k) / k). The information processing apparatus 360 also determines whether the obtained value (difference value) is less than a predetermined threshold value difference f_th (S1024). If the difference value is equal to or larger than the threshold value difference? F_th, the process proceeds to step S1028.

In step S1028, the information processing apparatus 360 prohibits the execution of the stimulus correction for the elevator control device 200, and determines that remote recovery is impossible. And further proceeds to step S125 in FIG.

If the difference value? (FIu_k-fE_k) / k is less than the threshold difference? F_th in step S1024, the information processing device 360 outputs a stimulus correcting operation execution command to the elevator control device 200 (S1026). Thereafter, the recovery diagnosis operation S111 is executed. For example, the drive system device is operated in a predetermined maintenance mode. In the subsequent recovery determination (S112), it is determined whether or not a failure signal is generated in the recovery diagnosis operation. If the failure signal is not being transmitted, the switch to the normal operation is executed in the determination result (recovery) origination step S113, and if a failure signal is sent, A signal indicating that the recovery has failed is transmitted to the controller 300. Since the subsequent steps have already been described above, the description is omitted here.

As described above, in the remote recovery apparatus according to the present embodiment, it is possible to determine in advance whether or not the execution of the magnetic pole correction is appropriate when an abnormality in the driveline apparatus is detected. This makes it possible to suppress the execution of the irrelevant (high possibility of recovery failure) stimulation correction and to suppress the expansion of the failure due to the execution of the stimulation correction.

Further, in the above-described embodiment, determination of whether or not the magnetic pole correction is executed is performed in cooperation with the elevator control device 200 and the remote recovery device 300, but the present invention is not limited to this mode. For example, the elevator control device 200 alone may determine the execution of the stimulus correction. Specifically, an emergency operation execution command section is provided as a functional section of the elevator control device 200. [ Further, when the elevator control device 200 detects an abnormality in the driv- er system, the flow of Fig. 12 is executed. In this case, the reference symbol 4 is replaced with an abnormality detection of the driv- er-system device, and becomes a trigger for executing the flow of Fig. Each step in the flow of FIG. 12 is executed by the elevator control device 200, and the result (recovery success / failure) is transmitted to the remote restoration device 300.

The present invention is not limited to the above-described embodiments, but includes all changes and modifications that do not depart from the technical scope and nature of the present invention defined by the claims.

10: Building 11: Elevator
12: Layer 13, 26: Door
20: elevator 22: elevator car
23; Wire 24: driving device
25: weight 27: bottom
30, 35: communication network 100: remote recovery system
200: elevator control device 210: control panel
250, 320: communication device 300: remote recovery device
310: remote monitoring center 330: monitoring panel
331: display 332: switch
333: Phone 334: Watcher
340: service center 350: technician
360: information processing apparatus 370: maintenance database
371: elevator specification data 372: inspection history data
373: Maintenance work history data 374: Remote maintenance history data
375: Modulation history data 376: Repair construction history data
377: Breakdown history data 378: Breakdown breakdown data
379: Driving history data 380: Recovery diagnosis database
400: rotating electric machine 401: brake
402: inverter 403u, 403v, 403w: three-phase wiring
404u, 404v: current sensor 406: encoder
408: Implanting switch fE_k: Rotor phase frequency
fIu_k: current frequency

Claims (3)

A remote recovery system for an elevator fault,
A drive system device including a rotary electric machine capable of raising and lowering the elevator car of the elevator, an encoder for detecting a rotor phase of the rotary electric machine, and a current sensor for detecting a current of a wiring connected to the rotary electric machine,
A brake capable of braking the elevator car,
An elevator control device for controlling the drive system device based on the rotor phase detected by the encoder and the current value detected by the current sensor;
And a remote recovery device communicating with the elevator control device to cause the elevator control device to perform a recovery operation of the failure,
The elevator control device transmits a failure signal to the remote recovery device when detecting an abnormality of the driveline device based on the rotor phase and the current value,
Wherein the remote recovery device comprises:
The elevator control device executes an emergency operation in which the elevator car is raised or lowered by intermittent braking of the brake in a state in which supply of the retrograde power to the rotary electric machine is stopped when the failure signal of the driveline device is received,
Wherein the abnormality determination means determines whether or not the magnetic pole correction operation for the rotating electrical machine is executed as the recovery operation based on the rotor phase and the current value during the emergency operation. The method according to claim 1,
When the difference between the frequency of the rotor phase at the time of the emergency operation and the frequency of the current value outputted from the rotating electric machine regenerated according to the emergency operation is within a predetermined difference, Wherein the controller is operable to execute the stimulus correcting operation. The method according to claim 1,
When at least one of the waveform of the rotor phase at the time of the emergency operation and the waveform of the current value at the time of the emergency operation is non-periodic, the remote recovery device performs the execution of the stimulus correction operation to the elevator control device Remote restoration system of elevator fault forbidden.

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