WO2016084203A1 - エレベータの位置検出装置 - Google Patents
エレベータの位置検出装置 Download PDFInfo
- Publication number
- WO2016084203A1 WO2016084203A1 PCT/JP2014/081434 JP2014081434W WO2016084203A1 WO 2016084203 A1 WO2016084203 A1 WO 2016084203A1 JP 2014081434 W JP2014081434 W JP 2014081434W WO 2016084203 A1 WO2016084203 A1 WO 2016084203A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- test
- signal
- coil
- detection
- sensor
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
Definitions
- This invention relates to an elevator position detection device for detecting the position of a lifting body.
- the present invention has been made to solve the above-described problems, and an object thereof is to obtain an elevator position detection device that can easily determine whether or not there is a failure.
- An elevator position detection apparatus is provided in a detected body provided in a hoistway, a lifting body that moves in the vertical direction in the hoistway, provided with a detection region, and the detected object in the detection region.
- the second signal is output as a detection signal.
- a first fixed failure diagnosis mode for diagnosing a failure in which the detection signal of the sensor is fixed to the first signal, and a second fixed failure diagnosis mode for diagnosing a failure in which the detection signal of the sensor unit is fixed to the second signal The mode can be switched between based on the presence or absence of reception of the test signal between the first test coil arranged on the exciting coil side when viewed from the detection area and the detection coil side when viewed from the detection area.
- a closed circuit including the first and second test coils in the second fixed failure diagnosis mode, and the first and second test coils are mutually connected in the first fixed failure diagnosis mode.
- the elevator position detection apparatus of the present invention it is possible to easily determine whether or not there is a sensor failure while the elevator is stopped without moving.
- FIG. It is a block diagram which shows the sensor of the position detection apparatus of the elevator by this Embodiment 3.
- FIG. It is a block diagram which shows the sensor of the position detection apparatus of the elevator by Embodiment 4 of this invention.
- Embodiment 6 of this invention It is a block diagram which shows the position detection apparatus of the elevator by Embodiment 7 of this invention.
- FIG. 1 is a block diagram showing an elevator according to Embodiment 1 of the present invention.
- a machine room 2 is provided in the upper part of the hoistway 1.
- a hoisting machine 3 that is a driving device
- a sled wheel 4 that is arranged away from the sheave of the hoisting machine 3
- a control panel 5 that controls the operation of the elevator are installed.
- a plurality of cords 6 are wound around the sheave and the deflector 4 of the hoist 3.
- the cord-like body 6 for example, a rope or a belt is used.
- a car 7 and a counterweight 8 provided as elevating bodies in the hoistway 1 are suspended by a cord-like body 6.
- the car 7 and the counterweight 8 are moved up and down in the hoistway 1 by the driving force of the hoisting machine 3 while being individually guided by a plurality of rails (not shown) installed in the hoistway 1.
- the car 7 is provided with a car door (not shown) for opening and closing the car doorway.
- a landing door 10 that opens and closes a landing doorway is provided at the landing 9 on each floor.
- the car doorway and the landing doorway are opened and closed by moving in a horizontal direction while the car door is engaged with the landing door 10.
- a plurality of metal identification plates 11, which are detected bodies for landing positions, are provided at intervals with respect to the moving direction of the car 7.
- Each identification plate 11 is arranged at a position corresponding to each floor in the hoistway 1.
- Each identification board 11 is arrange
- each identification plate 12 that are detected bodies for the end portions are provided corresponding to the positions of the upper end floor and the lower end floor.
- the length of each identification plate 12 in the moving direction of the car 7 is longer than the length of each identification plate 11.
- each identification board 12 is arrange
- the car 7 is provided with an eddy current sensor 13 that is a proximity sensor for detecting the identification plate 11 and an eddy current sensor 14 that is a proximity sensor for detecting the identification plate 12.
- the sensors 13 and 14 are provided on the upper portion of the car 7.
- FIG. 2 is a block diagram showing the relationship between the identification plate 11, the sensor 13 and the control panel 5 of FIG.
- the sensor 13 is provided with a detection region 15 that is a space.
- the sensor 13 detects the presence or absence of the identification plate 11 in the detection area 15.
- the identification board 11 enters the detection area 15, and when the car 7 moves up and down from each floor, the identification board 11 comes off the detection area 15.
- the shape of the sensor 13 when viewed from above is a U shape surrounding the detection region 15.
- Sensor 13 outputs different detection signals according to the presence or absence of identification plate 11 in detection area 15. Specifically, when the sensor 13 detects that the identification plate 11 is not present in the detection region 15, the first signal is output from the sensor 13 as a detection signal, and when the sensor 13 detects that the identification plate 11 is present in the detection region 15. A second signal different from the first signal is output from the sensor 13 as a detection signal.
- the first signal is an L signal, that is, a Low signal
- the second signal is an H signal, that is, a high signal.
- the control panel 5 is provided with a diagnostic circuit 16 for diagnosing whether or not the sensor 13 has failed.
- the diagnostic circuit 16 diagnoses whether or not the sensor 13 has failed by sending a test signal to the sensor 13 and receiving a detection signal from the sensor 13. That is, the diagnostic circuit 16 diagnoses the presence or absence of a failure of the sensor 13 based on the test signal output to the sensor 13 and the detection signal received from the sensor 13.
- the control panel 5 controls the operation of the elevator based on the diagnosis result by the diagnosis circuit 16.
- FIG. 3 is a block diagram showing the sensor 13 of FIG.
- the sensor 13 includes a housing 21, and a sensor unit 22 and a test unit 23 disposed in the housing 21.
- the housing 21 includes a housing main body 24 and a pair of housing facing portions 25 provided in the housing main body 24 and arranged at a position sandwiching the detection region 15.
- the shape of the housing 21 when viewed along the moving direction of the car 7 is U-shaped by the housing body 24 and the pair of housing facing portions 25.
- the sensor unit 22 includes a sensor circuit 26 and an output circuit 27.
- the sensor circuit 26 includes an excitation side resonance circuit 28 that electrically connects the excitation coil 281 and the capacitor 282 to form a closed circuit, and a detection side that electrically connects the detection coil 291 and the capacitor 292 to form a closed circuit.
- a resonance circuit 29 and a switching element 30 that controls a signal to the output circuit 27 in accordance with a signal from the detection-side resonance circuit 29 are provided.
- the exciting coil 281 is provided in one housing facing portion 25, and the detection coil 291 is provided in the other housing facing portion 25. Thus, the excitation coil 281 and the detection coil 291 are arranged with the detection region 15 interposed therebetween.
- the excitation coil 281 generates an AC magnetic field F1 when an excitation current from an AC power source flows through the excitation-side resonance circuit 28.
- the detection-side resonance circuit 29 when the detection coil 291 receives an alternating magnetic field and an induced electromotive force is generated in the detection coil 291, a resonance current flows at a specific resonance frequency.
- the switching element 30 outputs an alternating current from the sensor circuit 26 to the output circuit 27 when an induced electromotive force is generated in the detection coil 291 and current resonance occurs in the detection-side resonance circuit 29. Further, when the induced electromotive force in the detection coil 291 is suppressed and the resonance of the current in the detection-side resonance circuit 29 is stopped, the switching element 30 stops the output of the alternating current from the sensor circuit 26 to the output circuit 27.
- the output circuit 27 has a rectifier / comparator circuit 271 that rectifies the output of the alternating current from the sensor circuit 26. Further, when a current is output from the sensor circuit 26 to the rectifier / comparator circuit 271, the output circuit 27 outputs an H signal, which is a DC signal, to the diagnostic circuit 16 as a detection signal of the sensor unit 22 and rectifies from the sensor circuit 26. When the current output to the comparator circuit 271 stops, the L signal, which is a DC signal different from the H signal, is output to the diagnostic circuit 16 as a detection signal of the sensor unit 22.
- the alternating magnetic field F ⁇ b> 1 from the excitation coil 281 reaches the detection coil 291 through the detection region 15.
- the detection coil 291 receives the AC magnetic field F ⁇ b> 1 from the excitation coil 281
- an induced electromotive force is generated in the detection coil 291
- current resonance occurs at a resonance frequency corresponding to the detection-side resonance circuit 29.
- the L signal is output from the output circuit 27 to the diagnosis circuit 16 as a detection signal.
- FIG. 4 is a block diagram showing the sensor 13 when the identification plate 11 is in the detection area 15 of FIG.
- an eddy current is generated in the identification plate 11 by the AC magnetic field F 1 from the excitation coil 281, and the eddy current magnetic field F 2 is moved in a direction to cancel the AC magnetic field F 1 of the excitation coil 281.
- the induced electromotive force in the detection coil 291 is suppressed, and the resonance of the current in the detection-side resonance circuit 29 is stopped.
- the H signal is output from the output circuit 27 to the diagnosis circuit 16 as a detection signal.
- the sensor unit 22 has an L fixing failure (that is, the first fixing) in which the detection signal of the sensor unit 22 is fixed to the L signal that is the first signal regardless of the presence or absence of the identification plate 11 in the detection region 15. Failure) and an H fixing failure (that is, a second fixing failure) in which the detection signal of the sensor unit 22 is fixed to the H signal that is the second signal regardless of the presence or absence of the identification plate 11 in the detection region 15.
- L fixing failure that is, the first fixing
- H fixing failure that is, a second fixing failure
- the test unit 23 Based on whether or not a test signal is received from the diagnostic circuit 16, the test unit 23 performs a normal mode during normal operation and an L-fixation failure diagnosis mode (ie, an L-fixation failure diagnosis mode when diagnosing an L-fixation failure that is the first fixation failure).
- the first fixing failure diagnosis mode) and the H fixing failure diagnosis mode (ie, the second fixing failure diagnosis mode) when diagnosing the H fixing failure which is the second fixing failure can be switched. It has become.
- the diagnosis circuit 16 can perform diagnosis of each of the L-fixed fault and the H-fixed fault.
- the test unit 23 includes a test circuit 31 and a reception unit 32.
- the test circuit 31 includes a first test coil 311, a second test coil 312, two first switches 313, a second switch 314, and a third switch 315.
- the first test coil 311 is arranged on the exciting coil 281 side when viewed from the detection region 15. Further, the first test coil 311 is disposed at a position farther from the detection region 15 than the excitation coil 281.
- the second test coil 312 is arranged on the detection coil 291 side when viewed from the detection region 15. Further, the second test coil 312 is disposed at a position farther from the detection region 15 than the detection coil 291.
- Each first switch 313 individually opens and closes the electrical connection between one end portions and the other end portions of the first and second test coils 311 and 312.
- Each first switch 313 is open when the test unit 23 is in the L-fixed fault diagnostic mode, and is closed when the test unit 23 is in the H-fixed fault diagnostic mode.
- the first and second test coils 311 and 312 are disconnected from each other.
- the first switch 313 is closed, the first and second test coils 311 and 312 are electrically connected to each other, and a closed circuit including the first and second test coils 311 and 312 is formed. Composed.
- the second switch 314 opens and closes an electrical connection between one end and the other end of the first test coil 311.
- the second switch 314 is closed when the test unit 23 is in the L-fixation failure diagnosis mode and is open when the test unit 23 is in the H-fixation failure diagnosis mode.
- the second switch 314 is in a closed state, one end and the other end of the first test coil 311 are short-circuited, and a closed circuit including the first test coil 311 is configured.
- the second switch 314 is opened, the short circuit between one end and the other end of the first test coil 311 is released.
- the third switch 315 opens and closes an electrical connection between one end and the other end of the second test coil 312.
- the third switch 315 is in a closed state when the test unit 23 is in the L-fixation failure diagnosis mode, and is in an open state when the test unit 23 is in the H-fixation failure diagnosis mode.
- the third switch 315 is closed, one end and the other end of the second test coil 312 are short-circuited to form a closed circuit including the second test coil 312.
- the third switch 315 is opened, the short circuit between one end and the other end of the second test coil 312 is released.
- the diagnostic circuit 16 sends one diagnostic signal selected from different L fixing diagnostic signals and H fixing diagnostic signals (that is, the first fixing diagnostic signal and the second fixing diagnostic signal) to the test unit 23 as a test signal. There is only one system for sending a test signal from the diagnostic circuit 16 to the test unit 23. A test signal from the diagnostic circuit 16 is received by the receiving unit 32 of the test unit 23.
- the mode of the test unit 23 is the normal mode.
- the test unit 23 is in the normal mode, all of the first to third switches 313 to 315 are in an open state, and the failure diagnosis of the sensor unit 22 is not performed.
- the receiving unit 32 determines whether the test signal is an L fixation diagnosis signal or an H fixation diagnosis signal.
- the receiving unit 32 includes a band-pass filter 321 that is a second diagnostic signal operation unit that operates only on the H fixation diagnostic signal among the L fixation diagnosis signal and the H fixation diagnosis signal, and the L fixation diagnosis signal and A low-pass filter 322 that is a first diagnostic signal operation unit that operates only on the L fixation diagnostic signal among the H fixation diagnosis signals.
- the band-pass filter 321 is operated, the two first switches 313 are closed, and the mode of the test unit 23 is set to the H sticking fault diagnostic mode.
- the low-pass filter 322 is operated, the second switch 314 and the third switch 315 are closed, and the mode of the test unit 23 is set to the L sticking fault diagnosis mode. become.
- control panel 5 specifies the position of the car 7 when the identification plate 11 enters the detection area 15 based on the detection signal from the sensor unit 22 and specifies The operation of the elevator is controlled based on the position of the basket 7.
- the configuration of the sensor 14 is the same as the configuration of the sensor 13. In the same way as the sensor 13, the failure of the sensor 14 is diagnosed by sending a test signal from the diagnostic circuit 16 and receiving a detection signal from the sensor 14 by the diagnostic circuit 16.
- the elevator position detection apparatus includes identification plates 11 and 12, sensors 13 and 14, and a diagnostic circuit 16.
- the identification plate 11 corresponding to the stop floor of the car 7 enters the detection area 15 of the sensor 13.
- the alternating magnetic field F ⁇ b> 1 from the exciting coil 281 reaches the identification plate 11, and an eddy current magnetic field F ⁇ b> 2 is generated from the identification plate 11.
- the identification plate 11 is removed from the detection region 15 and the eddy current magnetic field F2 is not generated from the identification plate 11.
- the mode of the test unit 23 is the normal mode.
- the service operation of the elevator is performed in a state where the mode of the test unit 23 is set to the normal mode.
- each of the first to third switches 313 to 315 is opened. Thereby, even if the alternating magnetic field F1 is generated from the exciting coil 281, no magnetic field is generated from the first and second test coils 311, 312.
- the identification plate 11 When the identification plate 11 enters the detection region 15 in the normal mode, the eddy current magnetic field F2 in the direction to cancel the AC magnetic field F1 of the excitation coil 281 is caused by the AC magnetic field F1 of the excitation coil 281 as shown in FIG. Arising from. Thereby, the induced electromotive force in the detection coil 291 is suppressed, and the resonance of the current in the detection-side resonance circuit 29 is stopped.
- the H signal is output from the output circuit 27 to the diagnosis circuit 16 as a detection signal.
- the identification plate 11 when the identification plate 11 is removed from the detection region 15 in the normal mode, the alternating magnetic field F1 of the excitation coil 281 reaches the detection coil 291 as shown in FIG. As a result, an induced electromotive force is generated in the detection coil 291, and current resonance occurs in the detection-side resonance circuit 29.
- the L signal is output from the output circuit 27 to the diagnosis circuit 16 as a detection signal.
- control panel 5 it is determined whether or not the car 7 is on the floor based on a detection signal (ie, L signal or H signal) sent from the sensor unit 22 to the diagnostic circuit 16.
- the operation of the elevator is controlled by the control panel 5 based on the determination result of whether or not the car 7 is on the floor.
- the H fixing diagnosis signal is output from the diagnostic circuit 16 to the test unit 23 as a test signal.
- the H fixation diagnosis signal is a rectangular wave signal.
- the bandpass filter 321 is operated, and the mode of the test unit 23 is switched from the normal mode to the H fixation failure diagnosis mode.
- FIG. 5 is a configuration diagram showing the sensor 13 when the mode of the test unit 23 in FIG. 4 is the H fixing failure diagnosis mode.
- the second and third switches 314 and 315 are opened, and the first switches 313 are closed.
- the test circuit 31 includes a closed circuit including the first and second test coils 311 and 312.
- a closed circuit including the first and second test coils 311 and 312 is configured, so that an induced electromotive force is generated in the first test coil 311 by the AC magnetic field F1 of the excitation coil 281.
- the magnetic field F3 is generated in the second test coil 312 by the induced electromotive force in the first test coil 311.
- an induced electromotive force is generated in the detection coil 291, and current resonance occurs in the detection-side resonance circuit 29.
- the magnetic field F3 that causes the induced electromotive force in the detection coil 291 is generated in the second test coil 312 regardless of the presence or absence of the identification plate 11 in the detection region 15, thereby Is forcibly reproduced from the detection area 15.
- the diagnostic circuit 16 After the diagnosis signal 16 is output from the diagnostic circuit 16 to the test unit 23 as a test signal, the diagnostic circuit 16 receives the detection signal from the sensor unit 22. Is coincident with the signal corresponding to the H fixation diagnosis signal, that is, the L signal. As a result, if the detection signal from the sensor unit 22 matches the L signal, the diagnosis circuit 16 performs normality determination. On the other hand, when the detection signal from the sensor unit 22 is an H signal different from the L signal even though the test signal for forcing the sensor unit 22 to output the L signal is output to the test unit 23, the H fixation Failure diagnosis is performed by the diagnostic circuit 16. In this way, diagnosis of the H fixing failure of the sensor unit 22 is performed.
- an L-fixation diagnosis signal is output from the diagnosis circuit 16 to the test unit 23 as a test signal.
- the L fixation diagnosis signal is a high DC signal.
- the reception unit 32 receives the L fixation diagnosis signal
- the low pass filter 322 is operated, and the mode of the test unit 23 is switched from the normal mode to the L fixation failure diagnosis mode.
- FIG. 6 is a configuration diagram showing the sensor 13 when the mode of the test unit 23 in FIG. 3 is the L-fixation failure diagnosis mode.
- the second and third switches 314 and 315 are closed, and each first switch 313 is opened.
- the test circuit 31 includes a closed circuit including the first test coil 311 and a closed circuit including the second test coil 312 which are separated from each other and configured independently.
- the closed circuit including the first test coil 311 is configured in the L fixing failure diagnosis mode, an induced electromotive force is generated in the first test coil 311 by the AC magnetic field F1 of the excitation coil 281, and the excitation coil 281.
- the first test coil 311 generates an induction magnetic field F4 in a direction to cancel the AC magnetic field F1. Even if the AC magnetic field F1 of the excitation coil 281 reaches the detection coil 291, an induced electromotive force is generated in the second test coil 311 by the AC magnetic field F1 of the excitation coil 281 and the AC magnetic field F1 of the excitation coil 281 is generated.
- the second test coil 312 generates a magnetic field F3 in a direction that cancels.
- the AC magnetic field F1 of the excitation coil 281 is suppressed, and the induced electromotive force in the detection coil 291 is suppressed.
- the resonance of the current in the detection-side resonance circuit 29 is stopped, and the state where the identification plate 11 is in the detection region 15 is forcibly reproduced.
- the diagnostic circuit 16 After the L fixation diagnostic signal is output from the diagnostic circuit 16 to the test unit 23 as a test signal, when the detection signal from the sensor unit 22 is received by the diagnostic circuit 16, the diagnostic circuit 16 detects the detection signal from the sensor unit 22. Is coincident with the signal corresponding to the L fixation diagnosis signal, that is, the H signal. As a result, if the detection signal from the sensor unit 22 matches the H signal, the diagnosis circuit 16 makes a normal determination. On the other hand, when the detection signal from the sensor unit 22 is an L signal different from the H signal even though the test signal for forcibly outputting the H signal to the sensor unit 22 is output to the test unit 23, the L fixation Failure diagnosis is performed by the diagnostic circuit 16. In this way, diagnosis of the L fixing failure of the sensor unit 22 is performed.
- the diagnosis of the H fixing failure and the diagnosis of the L fixing failure are performed in the same manner as the sensor 13.
- the test unit 23 can switch between the L-fixation failure diagnosis mode and the H-fixation failure diagnosis mode. Due to the induced electromotive force in the first test coil 311 due to the magnetic field F1, a magnetic field F3 that causes an induced electromotive force in the detection coil 291 is generated in the second test coil 312. Because the magnetic field F1 causes the induction magnetic field F4 to be generated in the first test coil 311 in a direction that cancels the AC magnetic field F1 of the exciting coil 281, the first to third switches 313 to 316 are stopped without moving the car 7. It is possible to determine the presence or absence of an L-fixation failure and the presence or absence of an H-fixation failure of the sensor unit 22 simply by opening and closing each of the 315. That. Thereby, determination of the presence or absence of failure of the sensors 13 and 14 can be facilitated.
- the diagnostic circuit 16 sends the L fixation diagnostic signal as a test signal to the test unit 23 to set the mode of the test unit 23 to the L fixation failure diagnosis mode, and tests the H fixation diagnosis signal different from the L fixation diagnosis signal as a test signal. Since the mode of the test unit 23 is set to the H fixing failure diagnosis mode by sending to the unit 23, the mode of the test unit 23 can be easily switched, and each of the L fixing failure and the H fixing failure of the sensor unit 22 can be performed. Diagnosis can be made easily.
- test unit 23 includes the receiving unit 32 that determines whether the test signal from the diagnostic circuit 16 is an L-fixed diagnostic signal or an H-fixed diagnostic signal, the diagnostic circuit 16 transfers the test signal to the test unit 23. Only one system can be used to send the test signal, and the cost of the elevator position detection device can be reduced.
- FIG. FIG. 7 is a block diagram showing an excitation coil 281 and a first test coil 311 of the elevator position detection apparatus according to Embodiment 2 of the present invention.
- the conducting wires of the exciting coil 281 and the first test coil 311 are wound on each other.
- the conducting wire of the exciting coil 281 and the conducting wire of the first test coil 311 are wound in a spiral shape with the axis as the center in a state of overlapping each other.
- the conducting wires of the detection coil 291 and the second test coil 312 are also wound on top of each other.
- the conducting wire of the detection coil 291 and the conducting wire of the second test coil 312 are wound in a spiral shape centering on the axis while being overlapped with each other.
- Other configurations are the same as those in the first embodiment.
- the respective conductive wires of the exciting coil 281 and the first test coil 311 are wound on each other, and the respective conductive wires of the detection coil 291 and the second test coil 312 are wound on each other. Therefore, the space for arranging the excitation coil 281, the detection coil 291, the first test coil 311, and the second test coil 312 can be reduced as a whole, and the sensor 13 can be downsized.
- the excitation coil 281 and the first test coil 311 can be handled as one component, and the detection coil 291 and the second test coil 312 can be handled as one component, thereby reducing the number of components. it can.
- the conducting wires of the excitation coil 281 and the first test coil 311 are wound on each other, and the conducting wires of the detection coil 291 and the second test coil 312 are wound on each other.
- the conductive wires of the exciting coil 281 and the first test coil 311 may be wound on each other, or only the conductive wires of the detection coil 291 and the second test coil 312 may be stacked on each other. You may make it wind.
- FIG. FIG. 8 is a block diagram showing the sensor 13 of the elevator position detection apparatus according to the third embodiment.
- the third switch 315 is removed from the configuration included in the test circuit 31 of the test unit 23 in the first embodiment, as shown by the dashed line A in FIG.
- both ends of the second test coil 312 are not electrically short-circuited.
- the configurations of the first test coil 311, the second test coil 312, the first switches 313 and the second switches 314 of the test circuit 31 are the same as those in the first embodiment. Other configurations are the same as those in the first embodiment.
- each first switch 313 is opened, and the second switch 314 is closed.
- a closed circuit including the second test coil 312 is not formed while a short circuit between both ends of the second test coil 312 is avoided, and both ends of the first test coil 311 are not formed.
- the parts are short-circuited to form a closed circuit including the first test coil 311.
- an induction magnetic field is generated in the first test coil 311 in a direction to cancel the AC magnetic field of the excitation coil 281 by the AC magnetic field of the excitation coil 281.
- the generation of the induced electromotive force in the detection coil 291 is suppressed and the resonance of the current in the detection-side resonance circuit 29 is stopped, and the identification plate 11 detects The state in the area 15 is forcibly reproduced.
- Other operations are the same as those in the first embodiment.
- the third switch 315 that opens and closes the electrical connection between both ends of the second test coil 312 is eliminated, the closed circuit including the second test coil 312 is not configured. It is possible to easily diagnose each of the L fixation failure and the H fixation failure while the car 7 is stopped. In addition, since the third switch 315 is eliminated, the number of parts can be reduced.
- FIG. 9 is a block diagram showing a sensor 13 of an elevator position detection apparatus according to Embodiment 4 of the present invention.
- the L fixation diagnosis signal and the H fixation diagnosis signal from the diagnosis circuit 16 are individually sent as test signals to the reception unit 32 of the test unit 23 through two different systems.
- the receiving unit 32 includes an L diagnostic signal receiving unit 323 that receives an L fixing diagnostic signal and an H diagnostic signal receiving unit 324 that receives an H fixing diagnostic signal.
- the mode of the test unit 23 is set to the L-fixation failure diagnostic mode when the L diagnostic signal passing through one system from the diagnostic circuit 16 is received by the L diagnostic signal receiving unit 323, and passes through the other system from the diagnostic circuit 16.
- the H diagnosis signal is received by the H diagnosis signal receiving unit 324, the H fixing failure diagnosis mode is set.
- Other configurations are the same as those in the first embodiment.
- the mode of the test unit 23 can be easily switched. Can do.
- the configuration of the receiving unit 32 of the test unit 23 can be simplified, and the cost can be reduced. Reduction can be achieved.
- FIG. 10 is a block diagram showing a sensor 13 of an elevator position detection apparatus according to Embodiment 5 of the present invention. Only one system sends a test signal from the diagnostic circuit 16 to the test unit 23. That is, the diagnostic circuit 16 sends an L sticking diagnosis signal to the test unit 23 as a test signal or sends an H sticking diagnosis signal to the test unit 23 as a test signal through only one system.
- the voltage values of the L fixation diagnosis signal and the H fixation diagnosis signal are different from each other. That is, the voltage values of the test signal are different from each other in accordance with the L fixing diagnosis signal and the H fixing diagnosis signal.
- the reception unit 32 of the test unit 23 is a comparator that determines whether the test signal is an L fixation diagnosis signal or an H fixation diagnosis signal based on a difference in voltage value of the test signal.
- the mode of the test unit 23 becomes the normal mode when reception of the test signal is stopped, and when the test signal is received by the reception unit 32, the reception unit of the L fixation failure diagnosis mode and the H fixation failure diagnosis mode.
- the mode corresponds to either the L sticking diagnosis signal or the H sticking diagnosis signal determined in 32.
- the voltage value of the test signal is 0 [V]
- the mode of the test unit 23 becomes the normal mode, and the voltage value of the test signal is determined in advance.
- the mode of the test unit 23 is in the H fixing failure diagnosis mode when the H value is set, and the mode of the test unit 23 is when the voltage value of the test signal is an intermediate value between 0 [V] and the H value.
- the L fixing failure diagnosis mode is set.
- Other configurations are the same as those in the first embodiment.
- the voltage values of the test signals are different from each other in accordance with the L fixation diagnosis signal and the H fixation diagnosis signal.
- the test signal is either the L fixation diagnosis signal or the H fixation diagnosis signal.
- FIG. FIG. 11 is a block diagram showing an elevator position detection apparatus according to Embodiment 6 of the present invention.
- the diagnostic circuit 16 is provided in the housing 21 of the sensor 13. Thereby, the diagnostic circuit 16 is mounted on the sensor 13.
- a detection signal that is, an L signal or an H signal
- the sensor unit 22 that detects the presence or absence of the identification plate 11 in the detection region 15 is sent to each of the diagnostic circuit 16 and the control panel 5.
- the diagnostic circuit 16 sends the detection signal from the sensor unit 22 (that is, the L signal or the H signal) in each cycle by sending the L fixation diagnostic signal and the H fixation diagnostic signal as test signals to the test unit 23 at regular intervals. Thus, each of the L fixing failure and the H fixing failure of the sensor unit 22 is diagnosed at a constant period. Further, the diagnostic circuit 16 outputs a failure determination signal to the control panel 5 when the diagnosis result is a determination of an L fixing failure or an H fixing failure.
- the control panel 5 controls the operation of the elevator based on the presence / absence of reception of a failure determination signal from the diagnostic circuit 16 and the detection signal from the sensor unit 22.
- Other configurations are the same as those in the first embodiment.
- FIG. FIG. 12 is a block diagram showing an elevator position detection apparatus according to Embodiment 7 of the present invention.
- the first test coil 311 is disposed closer to the detection region 15 than the excitation coil 281
- the second test coil 312 is disposed closer to the detection region 15 than the detection coil 291. Yes.
- Other configurations are the same as those of the sixth embodiment.
- the position of the first test coil 311 is closer to the detection area 15 than the position of the excitation coil 281, and the position of the second test coil 312 is closer to the detection area 15 than the position of the detection coil 291.
- the first test coil 311 is disposed closer to the detection region 15 than the excitation coil 281, and the second test coil 312 is closer to the detection region 15 than the detection coil 291.
- the first test coil 311 is arranged at a position farther from the detection area 15 than the excitation coil 281, and the second test coil 312 is arranged at a position closer to the detection area 15 than the detection coil 291. May be.
- the first test coil 311 may be disposed at a position closer to the detection region 15 than the excitation coil 281, and the second test coil 312 may be disposed at a position farther from the detection region 15 than the detection coil 291.
- the configuration in which the first test coil 311 is disposed closer to the detection region 15 than the excitation coil 281 is applied to the sensor 13 of the sixth embodiment, but the first test coil 311 May be applied to the sensor 13 according to the first and third to fifth embodiments.
- the configuration in which the second test coil 312 is arranged closer to the detection region 15 than the detection coil 291 is applied to the sensor 13 of the sixth embodiment. May be applied to the sensor 13 according to the first and third to fifth embodiments.
- the configuration in which the conducting wires of the exciting coil 281 and the first test coil 311 are wound on each other is applied to the sensor 13 of the first embodiment.
- a configuration in which the respective conductors of one test coil 311 are overlapped and wound may be applied to the sensor 13 of the third to sixth embodiments.
- the configuration in which the conductors of the detection coil 291 and the second test coil 312 are overlapped and wound is applied to the sensor 13 of the first embodiment.
- a configuration in which the respective conductors of the two test coils 312 are overlapped and wound may be applied to the sensor 13 of the third to sixth embodiments.
- the configuration without the third switch 315 is applied to the sensor 13 of the first embodiment, but the configuration without the third switch 315 is the same as that of the fourth to seventh embodiments. You may apply to the sensor 13. FIG.
- the configuration in which the diagnostic circuit 16 is mounted on the sensor 13 is applied to the sensor 13 in the first embodiment.
- the configuration in which the diagnostic circuit 16 is mounted on the sensor 13 is the same as that in the fourth and fourth embodiments. 5 may be applied to the sensor 13.
- the test circuit 31 includes two first switches 313 that open and close the electrical connection between the first and second test coils 311 and 312.
- the switch 313 may not be provided. Even in this way, it is possible to diagnose the L fixing failure of the test unit 22, that is, the first fixing failure. In addition, if this is done, the configuration of the test circuit 31 can be simplified.
- the first and second test coils 311 and 312 are electrically separated from each other and remain independent.
- the second switch 314 is closed during the L-fixation failure diagnosis mode of the test unit 23
- the closed state including the first test coil 311 is maintained while the first and second test coils 311 and 312 are disconnected from each other.
- a circuit is constructed. In this case, only one type of test signal from the diagnostic circuit 16 is provided, and the configuration of the receiving unit 32 is simplified.
- the mode of the test unit 23 is switched between the normal mode and the L-fixation failure diagnosis mode based on whether or not the test signal is received by the test unit 23. That is, the mode of the test unit 23 is the L-fixation failure diagnosis mode when a test signal is received, and the normal mode when reception of the test signal is stopped.
- the second switch 314 that opens and closes the electrical connection between both ends of the first test coil 311 and the electrical connection between both ends of the second test coil 312 are opened and closed.
- the test circuit 31 includes the third switch 315, the second switch 314 and the third switch 315 may be omitted. Even in this way, the diagnosis of the H fixing failure of the test unit 22, that is, the diagnosis of the second fixing failure can be performed. In addition, if this is done, the configuration of the test circuit 31 can be simplified.
- both ends of the first test coil 311 are not electrically short-circuited, and both ends of the second test coil 312 are not electrically short-circuited.
- the closed circuit containing the 1st and 2nd test coils 311 and 312 will be comprised.
- the mode of the test unit 23 is switched between the normal mode and the H fixing failure diagnosis mode based on whether or not the test signal is received by the test unit 23. That is, the mode of the test unit 23 is the H fixing failure diagnosis mode when the test signal is received, and the normal mode when the reception of the test signal is stopped.
- the sensors 13 and 14 are provided in the cage
- the first signal output from the sensor 13 when there is no identification plate 11 in the detection region 15 is an L signal, that is, a Low signal, and when the identification plate 11 is in the detection region 15.
- the second signal output from the sensor 13 is an H signal, that is, a high signal.
- the present invention is not limited to this, and the first signal and the second signal may be different from each other. Therefore, the first signal may be an H signal, that is, a high signal, and the second signal may be an L signal, that is, a Low signal.
- the first fixing failure in which the detection signal of the sensor unit 22 is fixed to the first signal is H fixing failure
- the second fixing failure in which the detection signal of the sensor unit 22 is fixed to the second signal is L fixing.
- the first fixed failure diagnostic mode when diagnosing the first fixed failure is the H fixed failure diagnostic mode
- the second fixed failure diagnostic mode when diagnosing the second fixed failure is the L fixed failure diagnostic mode.
- the first fixation diagnostic signal output from the diagnostic circuit 16 is an H fixation diagnostic signal
- the second fixation diagnostic signal output from the diagnostic circuit 16 is an L fixation diagnostic signal.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
実施の形態1.
図1は、この発明の実施の形態1によるエレベータを示す構成図である。図において、昇降路1の上部には、機械室2が設けられている。機械室2内には、駆動装置である巻上機3と、巻上機3の綱車から離して配置されたそらせ車4と、エレベータの運転を制御する制御盤5とが設置されている。巻上機3の綱車及びそらせ車4には、複数本の索状体6が巻き掛けられている。索状体6としては、例えばロープ又はベルト等が用いられている。昇降路1内に昇降体として設けられたかご7及び釣合おもり8は、索状体6によって吊り下げられている。かご7及び釣合おもり8は、昇降路1内に設置された複数のレール(図示せず)に個別に案内されながら、巻上機3の駆動力によって昇降路1内を上下方向へ移動される。
図7は、この発明の実施の形態2によるエレベータの位置検出装置の励磁コイル281及び第1のテストコイル311を示す構成図である。励磁コイル281及び第1のテストコイル311のそれぞれの導線は、互いに重ねて巻かれている。この例では、励磁コイル281の導線と第1のテストコイル311の導線とが、互いに重なった状態で軸線を中心とする螺旋状に巻かれている。
図8は、この実施の形態3によるエレベータの位置検出装置のセンサ13を示す構成図である。本実施の形態では、実施の形態1でのテスト部23のテスト回路31に含まれる構成から、図8に破線Aで囲んで示すように、第3のスイッチ315が取り除かれている。これにより、第2のテストコイル312の両端部間が電気的に短絡しないようになっている。テスト回路31の第1のテストコイル311、第2のテストコイル312、各第1のスイッチ313及び第2のスイッチ314のそれぞれの構成は、実施の形態1と同様である。また、他の構成は実施の形態1と同様である。
図9は、この発明の実施の形態4によるエレベータの位置検出装置のセンサ13を示す構成図である。本実施の形態では、診断回路16からのL固着診断信号及びH固着診断信号が、互いに異なる2つの系統を通してテスト部23の受信部32へテスト信号として個別に送られる。受信部32は、L固着診断信号を受信するL診断信号受信部323と、H固着診断信号を受信するH診断信号受信部324とを有している。テスト部23のモードは、診断回路16から一方の系統を通ったL診断信号がL診断信号受信部323で受信されることによりL固着故障診断モードとなり、診断回路16から他方の系統を通ったH診断信号がH診断信号受信部324で受信されることによりH固着故障診断モードとなる。他の構成は実施の形態1と同様である。
図10は、この発明の実施の形態5によるエレベータの位置検出装置のセンサ13を示す構成図である。診断回路16からテスト部23へテスト信号を送る系統は、1つの系統のみである。即ち、診断回路16は、1つの系統のみを通して、L固着診断信号をテスト部23へテスト信号として送ったり、H固着診断信号をテスト部23へテスト信号として送ったりする。L固着診断信号及びH固着診断信号のそれぞれの電圧値は、互いに異なっている。即ち、テスト信号の電圧値は、L固着診断信号及びH固着診断信号に応じて互いに異なっている。
図11は、この発明の実施の形態6によるエレベータの位置検出装置を示す構成図である。本実施の形態では、センサ13の筐体21内に診断回路16が設けられている。これにより、診断回路16はセンサ13に実装されている。識別板11の検出領域15への有無を検出するセンサ部22からの検出信号(即ち、L信号又はH信号)は、診断回路16及び制御盤5のそれぞれへ送られる。
図12は、この発明の実施の形態7によるエレベータの位置検出装置を示す構成図である。本実施の形態では、第1のテストコイル311が励磁コイル281よりも検出領域15に近い位置に配置され、第2のテストコイル312が検出コイル291よりも検出領域15に近い位置に配置されている。他の構成は実施の形態6と同様である。
Claims (12)
- 昇降路内に設けられた被検出体、
上記昇降路内を上下方向へ移動する昇降体に設けられ、検出領域が設けられ、上記検出領域での上記被検出体の有無を検出するセンサ、及び
テスト信号を上記センサへ送り上記センサの検出信号を受信することにより上記センサの故障の有無を診断する診断回路
を備え、
上記センサは、センサ部と、テスト部とを有し、
上記センサ部は、上記検出領域を挟んで配置された励磁コイル及び検出コイルを有し、上記励磁コイルに交流磁界を発生させた状態で上記検出コイルに誘導起電力が生じると第1信号を上記検出信号として出力するとともに、上記励磁コイルに交流磁界を発生させた状態で上記検出コイルでの誘導起電力が抑制されると上記第1信号と異なる第2信号を上記検出信号として出力し、
上記テスト部は、通常運転時の通常モードと、上記センサ部の検出信号が上記第1信号に固着する故障を診断するときの第1固着故障診断モードと、上記センサ部の検出信号が上記第2信号に固着する故障を診断するときの第2固着故障診断モードとの間で、上記テスト信号の受信の有無に基づいてモードを切り替え可能になっており、
上記テスト部は、上記検出領域からみて上記励磁コイル側に配置された第1のテストコイルと、上記検出領域からみて上記検出コイル側に配置された第2のテストコイルと、上記第2固着故障診断モード時に上記第1及び第2のテストコイルを含む閉回路を構成し上記第1固着故障診断モード時に上記第1及び第2のテストコイルを互いに切り離す第1のスイッチと、上記第1固着故障診断モード時に上記第1のテストコイルを含む閉回路を構成する第2のスイッチとを有し、
上記第2固着故障診断モード時には、上記励磁コイルの交流磁界による上記第1のテストコイルでの誘導起電力によって、上記検出コイルに誘導起電力を生じさせる磁界が上記第2のテストコイルに生じ、
上記第1固着故障診断モード時には、上記励磁コイルの交流磁界によって、上記励磁コイルの交流磁界を打ち消す方向へ誘導磁界が上記第1のテストコイルに生じるエレベータの位置検出装置。 - 上記診断回路は、第1固着診断信号を上記テスト信号として上記テスト部へ送ることにより上記テスト部のモードを上記第1固着故障診断モードとし、上記第1固着診断信号と異なる第2固着診断信号を上記テスト信号として上記テスト部へ送ることにより上記テスト部のモードを上記第2固着故障診断モードとする請求項1に記載のエレベータの位置検出装置。
- 上記診断回路から上記テスト部へ上記テスト信号を送る系統は、1つの系統のみであり、
上記テスト部は、上記テスト信号が上記第1固着診断信号及び上記第2固着診断信号のいずれであるかを判断する受信部をさらに有している請求項2に記載のエレベータの位置検出装置。 - 上記テスト信号の電圧値は、上記第1固着診断信号及び上記第2固着診断信号に応じて互いに異なっており、
上記受信部は、上記テスト信号の電圧値の違いによって、上記テスト信号が上記第1固着診断信号及び上記第2固着診断信号のいずれであるかを判断する請求項3に記載のエレベータの位置検出装置。 - 上記診断回路からの上記第1固着診断信号及び上記第2固着診断信号は、互いに異なる2つの系統を通して上記テスト部へ個別に送られる請求項2に記載のエレベータの位置検出装置。
- 昇降路内に設けられた被検出体、
上記昇降路内を上下方向へ移動する昇降体に設けられ、検出領域が設けられ、上記検出領域での上記被検出体の有無を検出するセンサ、及び
テスト信号を上記センサへ送り上記センサの検出信号を受信することにより上記センサの故障の有無を診断する診断回路
を備え、
上記センサは、センサ部と、テスト部とを有し、
上記センサ部は、上記検出領域を挟んで配置された励磁コイル及び検出コイルを有し、上記励磁コイルに交流磁界を発生させた状態で上記検出コイルに誘導起電力が生じると第1信号を検出信号として出力するとともに、上記励磁コイルに交流磁界を発生させた状態で上記検出コイルでの誘導起電力が抑制されると上記第1信号と異なる第2信号を検出信号として出力し、
上記テスト部は、通常運転時の通常モードと、上記センサ部の検出信号が上記第1信号に固着する故障を診断するときの第1固着故障診断モードとの間で、上記テスト信号の受信の有無に基づいてモードを切り替え可能になっており、
上記テスト部は、上記検出領域からみて上記励磁コイル側に配置された第1のテストコイルと、上記検出領域からみて上記検出コイル側に配置された第2のテストコイルと、上記第1固着故障診断モード時に上記第1及び第2のテストコイルを互いに切り離したまま上記第1のテストコイルを含む閉回路を構成する第2のスイッチとを有し、
上記第1固着故障診断モード時には、上記励磁コイルの交流磁界によって、上記励磁コイルの交流磁界を打ち消す方向へ誘導磁界が上記第1のテストコイルに生じるエレベータの位置検出装置。 - 昇降路内に設けられた被検出体、
上記昇降路内を上下方向へ移動する昇降体に設けられ、検出領域が設けられ、上記検出領域での上記被検出体の有無を検出するセンサ、及び
テスト信号を上記センサへ送り上記センサの検出信号を受信することにより上記センサの故障の有無を診断する診断回路
を備え、
上記センサは、センサ部と、テスト部とを有し、
上記センサ部は、上記検出領域を挟んで配置された励磁コイル及び検出コイルを有し、上記励磁コイルに交流磁界を発生させた状態で上記検出コイルに誘導起電力が生じると第1信号を検出信号として出力するとともに、上記励磁コイルに交流磁界を発生させた状態で上記検出コイルでの誘導起電力が抑制されると上記第1信号と異なる第2信号を検出信号として出力し、
上記テスト部は、通常運転時の通常モードと、上記センサ部の検出信号が上記第2信号に固着する故障を診断するときの第2固着故障診断モードとの間で、上記テスト信号の受信の有無に基づいてモードを切り替え可能になっており、
上記テスト部は、上記検出領域からみて上記励磁コイル側に配置された第1のテストコイルと、上記検出領域からみて上記検出コイル側に配置された第2のテストコイルと、上記第2固着故障診断モード時に上記第1及び第2のテストコイルを含む閉回路を構成する第1のスイッチとを有し、
上記第2固着故障診断モード時には、上記励磁コイルの交流磁界による上記第1のテストコイルでの誘導起電力によって、上記検出コイルに誘導起電力を生じさせる磁界が上記第2のテストコイルに生じるエレベータの位置検出装置。 - 上記診断回路は、上記センサに実装されている請求項1~請求項7のいずれか一項に記載のエレベータの位置検出装置。
- 上記励磁コイル及び上記第1のテストコイルのそれぞれの導線は、互いに重ねて巻かれている請求項1~請求項8のいずれか一項に記載のエレベータの位置検出装置。
- 上記検出コイル及び上記第2のテストコイルのそれぞれの導線は、互いに重ねて巻かれている請求項1~請求項9のいずれか一項に記載のエレベータの位置検出装置。
- 上記第1のテストコイルは、上記励磁コイルよりも上記検出領域に近い位置に配置されている請求項1~請求項10のいずれか一項に記載のエレベータの位置検出装置。
- 上記第2のテストコイルは、上記検出コイルよりも上記検出領域に近い位置に配置されている請求項1~請求項11のいずれか一項に記載のエレベータの位置検出装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016561170A JP6218969B2 (ja) | 2014-11-27 | 2014-11-27 | エレベータの位置検出装置 |
DE112014007218.4T DE112014007218B4 (de) | 2014-11-27 | 2014-11-27 | Aufzugspositions-erfassungsvorrichtung |
KR1020177016508A KR101908250B1 (ko) | 2014-11-27 | 2014-11-27 | 엘리베이터의 위치 검출 장치 |
PCT/JP2014/081434 WO2016084203A1 (ja) | 2014-11-27 | 2014-11-27 | エレベータの位置検出装置 |
CN201480083542.8A CN107000974B (zh) | 2014-11-27 | 2014-11-27 | 电梯的位置检测装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/081434 WO2016084203A1 (ja) | 2014-11-27 | 2014-11-27 | エレベータの位置検出装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016084203A1 true WO2016084203A1 (ja) | 2016-06-02 |
Family
ID=56073821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/081434 WO2016084203A1 (ja) | 2014-11-27 | 2014-11-27 | エレベータの位置検出装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6218969B2 (ja) |
KR (1) | KR101908250B1 (ja) |
CN (1) | CN107000974B (ja) |
DE (1) | DE112014007218B4 (ja) |
WO (1) | WO2016084203A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11345568B2 (en) * | 2016-03-15 | 2022-05-31 | Mitsubishi Electric Corporation | Cage position detection device |
US11472665B2 (en) | 2017-05-10 | 2022-10-18 | Mitsubishi Electric Corporation | Elevator car position detection sensor that determines a phase of an alternating-current voltage corresponding to a frequency of an excitation magnetic field |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020215590A1 (de) | 2020-12-09 | 2022-06-09 | Pepperl+Fuchs Se | Induktive sensoreinrichtung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5748536U (ja) * | 1980-09-02 | 1982-03-18 | ||
JPS58189916U (ja) * | 1982-06-11 | 1983-12-16 | 横河電機株式会社 | 誘導式測定器 |
JPS60236019A (ja) * | 1984-05-09 | 1985-11-22 | Mitsubishi Electric Corp | 差動変圧器 |
WO2014132435A1 (ja) * | 2013-03-01 | 2014-09-04 | 三菱電機株式会社 | エレベータのかご位置検出装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1466671A (en) * | 1973-03-16 | 1977-03-09 | Dewhurst & Partner Ltd | Lift car braking apparatus |
JPS63169534A (ja) * | 1987-01-08 | 1988-07-13 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光ケ−ブルの障害点検出方式 |
DE19840620C1 (de) * | 1998-09-05 | 2000-04-27 | Steute Schaltgeraete Gmbh & Co | Berührungsloser Sicherheitsschalter |
BRPI0416526B1 (pt) * | 2004-03-29 | 2017-03-21 | Mitsubishi Electric Corp | método e dispositivo para inspecionar operação de um atuador |
KR101121343B1 (ko) * | 2007-05-24 | 2012-03-09 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터 장치 |
JP5380407B2 (ja) * | 2010-09-21 | 2014-01-08 | 株式会社日立製作所 | 安全エレベータ |
KR101657858B1 (ko) * | 2012-02-08 | 2016-09-19 | 미쓰비시덴키 가부시키가이샤 | 카 위치 검출 장치 |
CN203781556U (zh) * | 2014-03-18 | 2014-08-20 | 石家庄五龙制动器股份有限公司 | 电梯制动器制动力矩自检测电路 |
-
2014
- 2014-11-27 WO PCT/JP2014/081434 patent/WO2016084203A1/ja active Application Filing
- 2014-11-27 JP JP2016561170A patent/JP6218969B2/ja active Active
- 2014-11-27 CN CN201480083542.8A patent/CN107000974B/zh active Active
- 2014-11-27 DE DE112014007218.4T patent/DE112014007218B4/de active Active
- 2014-11-27 KR KR1020177016508A patent/KR101908250B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5748536U (ja) * | 1980-09-02 | 1982-03-18 | ||
JPS58189916U (ja) * | 1982-06-11 | 1983-12-16 | 横河電機株式会社 | 誘導式測定器 |
JPS60236019A (ja) * | 1984-05-09 | 1985-11-22 | Mitsubishi Electric Corp | 差動変圧器 |
WO2014132435A1 (ja) * | 2013-03-01 | 2014-09-04 | 三菱電機株式会社 | エレベータのかご位置検出装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11345568B2 (en) * | 2016-03-15 | 2022-05-31 | Mitsubishi Electric Corporation | Cage position detection device |
US11472665B2 (en) | 2017-05-10 | 2022-10-18 | Mitsubishi Electric Corporation | Elevator car position detection sensor that determines a phase of an alternating-current voltage corresponding to a frequency of an excitation magnetic field |
Also Published As
Publication number | Publication date |
---|---|
KR101908250B1 (ko) | 2018-10-15 |
CN107000974A (zh) | 2017-08-01 |
JPWO2016084203A1 (ja) | 2017-04-27 |
DE112014007218B4 (de) | 2019-11-21 |
KR20170085562A (ko) | 2017-07-24 |
CN107000974B (zh) | 2019-05-07 |
JP6218969B2 (ja) | 2017-10-25 |
DE112014007218T5 (de) | 2017-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6192825B2 (ja) | エレベータの位置検出装置 | |
US20100051391A1 (en) | Safety arrangement | |
US10144613B2 (en) | Elevator position detection apparatus | |
JP6218969B2 (ja) | エレベータの位置検出装置 | |
RU2640796C2 (ru) | Способ и устройство контролирования, по меньшей мере, одного электронного коммутационного контакта транспортного средства | |
JP2014504243A (ja) | インターフェイスユニットと搬送システムおよび方法 | |
CN108341309B (zh) | 电梯系统 | |
JP6494867B2 (ja) | エレベータの脱レール検出装置 | |
JP4712697B2 (ja) | エレベータの駆動電源の故障検出装置、及びエレベータの駆動電源の故障検出方法 | |
CN104025437A (zh) | 用于监控变流器的方法和装置 | |
CN102115002A (zh) | 电梯系统 | |
US11325813B2 (en) | Method for controlling an elevator and an elevator | |
JP6569812B2 (ja) | エレベータシステム | |
JPWO2014184869A1 (ja) | エレベータ装置及びその制御方法 | |
JP5460712B2 (ja) | エレベーター装置 | |
KR100683988B1 (ko) | 엘리베이터의 구동 전원의 고장 검출 장치, 및엘리베이터의 구동 전원의 고장 검출 방법 | |
JP6833107B2 (ja) | エレベータの脱レール検出装置 | |
JP2012232819A (ja) | エレベータ | |
KR100745928B1 (ko) | 엘리베이터 제어 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14907098 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016561170 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112014007218 Country of ref document: DE |
|
ENP | Entry into the national phase |
Ref document number: 20177016508 Country of ref document: KR Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14907098 Country of ref document: EP Kind code of ref document: A1 |