JP2013049511A - Non-contacting feed system of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform non-contacting feed efficiently from one feeder system installed in an elevating path to a plurality of feed objects.SOLUTION: A counterweight 12 and a passenger cage 11 are provided with batteries 32 and 42, incoming devices 33 and 43, and feeder systems 34 and 44. The counterweight 12 is moved to an installation position of a feeder system 22 of an elevating path 10, power supplied from a building power supply 21 is fed from the feeder system 22 of the elevating path 10 to the incoming device 33 of the counterweight 12 in a non-contacting state, and stored in the battery 32 of the counterweight 12. Furthermore, the passenger cage 11 is moved to a position opposing the counterweight 12, power stored in the battery 42 of the counterweight 12 is fed from the feeder system 34 of the counterweight 12 to the incoming device 43 of the passenger cage 11 in a non-contacting state, and stored in the battery 42 of the passenger cage 11.

Description

  Embodiments of the present invention relate to an elevator non-contact power supply system that supplies electric power necessary for operation of an elevator in a non-contact manner.

  In recent years, interest in non-contact power supply technology has increased, and it has come to be used in various fields. The non-contact power supply technology mainly uses the principle of electromagnetic induction, and transmits electric power in a non-contact manner by generating an electromotive force by applying an alternating magnetic flux generated in the primary coil to the secondary coil. Technology.

  As a system using this non-contact power supply technology, a rail type (moving type) system in which a power receiving unit moves along a power supply line, and a charge type in which a primary side and a secondary side of a transformer are placed in a fixed position across a gap ( There is a fixed system.

  In elevators, either method can be used. However, since the rail type system has a demerit that the power feeding system becomes larger in proportion to the length of the rail when the lifting process becomes long, the charge type system is considered to be effective.

  Conventionally, as an elevator using a charge type system, a power receiving device is installed on a counterweight (suspending weight), and power is supplied in a non-contact manner from a power feeding device installed at a predetermined location in a hoistway during power feeding. There is.

JP 2001-163533 A

  If the use of non-contact power feeding in an elevator is advanced in the future, a non-contact power feeding device will be required for each power supply target, and there is a concern that the system will become complicated and the cost will increase.

  The problem to be solved by the present invention is to provide a contactless power supply system for an elevator that can efficiently perform contactless power supply to a plurality of power supply targets from one power supply device installed in a hoistway. is there.

  The contactless power feeding system for an elevator according to this embodiment includes a battery in a counterweight and a car, and is a contactless power feeding used for a counterweight drive type elevator that feeds power in a non-contact manner from a power feeding device installed in a hoistway. A system comprising: a first power supply control unit configured to move the counterweight to an installation position of the power supply device, and to supply power from the power supply device to the counterweight battery in a contactless manner; and the car to the counterweight And a second power supply control means for supplying power from the counterweight battery to the car battery in a non-contact manner.

FIG. 1 is a diagram illustrating a configuration of a contactless power feeding system for an elevator according to a first embodiment. FIG. 2 is a diagram showing a configuration of each device provided in the counterweight in the same embodiment. FIG. 3 is a flowchart for explaining the operation of the non-contact power feeding system in the same embodiment. FIG. 4 is a diagram illustrating a configuration of an elevator non-contact power feeding system according to the second embodiment. FIG. 5 is a diagram showing a configuration of each device provided in the car in the embodiment.

  Hereinafter, embodiments will be described with reference to the drawings.

(First embodiment)
FIG. 1 is a diagram illustrating a configuration of a contactless power feeding system for an elevator according to a first embodiment. Here, a configuration of a counterweight drive type elevator is illustrated.

  An elevator car 11 and a counterweight (suspending weight) 12 are provided in the hoistway 10 and are supported by guide rails (not shown) so as to be able to move up and down. The car 11 has a sheave 13 on the car, and a rope 14 having one end fixed to the top of the hoistway is installed on the sheave 13. The rope 14 is installed on a traction sheave 16 provided on the counterweight 12 via a sheave 15 provided on the top of the hoistway, and the other end is fixed to the top of the hoistway. As a result, the car 11 and the counterweight 12 are supported in a 2: 1 low pink format.

  Here, in the counterweight drive type elevator, a motor (winding machine) 17 is installed on the counterweight 12. When the traction sheave 16 is rotated by driving the motor 17, the car 11 and the counterweight 12 are lifted and lowered in the hoistway through the rope 14 wound around the traction sheave 16.

  The hoistway 10 is provided with a power feeding device 22 for supplying power from a building power source (commercial power source) 21 to the elevator side. The power feeding device 22 is provided at a specific position of the hoistway 10, specifically at a position facing the counterweight 12 when the car 11 stops on the reference floor. When the car 11 arrives at the reference floor, the power feeding device 22 feeds power to the counterweight 12 in a non-contact manner.

  The counter weight 12 is provided with a control device 31, a battery 32, a power receiving device 33, and a power feeding device 34.

  The control device 21 includes a function for realizing a non-contact power feeding system in addition to the drive control of the counterweight 12. The functional configuration of the control device 21 will be described later with reference to FIG.

  The battery 32 has a predetermined capacity and stores electric power necessary for driving the counterweight 12. The power receiving device 33 faces the power supply device 22 installed in the hoistway 10 when the car 11 stops on the reference floor, receives power supplied from the power supply device 22, and stores it in the battery 32. When the car 11 and the counterweight 12 face each other on the intermediate floor, the power feeding device 34 feeds the electric power stored in the battery 32 of the counterweight 12 to the car 11 in a contactless manner.

  The car 11 is provided with a control device 41 for performing control related to each device in the car such as driving of the car lighting device 11a and the door 11b. In addition, the car 11 is provided with a battery 42, a power receiving device 43, and a power feeding device 44, similarly to the counterweight 12.

  The battery 42 stores electric power necessary for driving each device in the car. When the car 11 faces the counterweight 12, the power receiving device 43 faces the power feeding device 34 of the counterweight 12, receives the power fed from the power feeding device 34, and stores it in the battery 42. When the car 11 stops at the landing 51 on each floor, the power supply device 44 supplies the power stored in the battery 42 to the landing 51 on the stop floor in a non-contact manner.

  A hall indicator 52 for displaying the operation state of the elevator (car position, driving direction, etc.) is installed at the landing 51 on each floor. In FIG. 1, only one hall indicator 52 is shown, but it is assumed that at least one hall indicator 52 is installed on each floor.

  In addition to the control device 53 for performing display control, the hall indicator 52 is provided with a battery 54 and a power receiving device 55. The battery 54 stores electric power necessary for driving the hall indicator 52. The power receiving device 55 faces the power supply device 44 of the car 11 when the car 11 stops at the landing 51, receives power supplied from the power supply device 44, and stores it in the battery 54.

  A main controller 61 is installed in a machine room of the building. In a machine roomless type elevator, the main controller 61 is provided in the hoistway. The main controller 61 controls the entire elevator such as operation control of the car 11 in response to a hall call.

  The main controller 61 and the car 11 are electrically connected via a tail cord 62, and the car 11 and the counterweight 12 are electrically connected via a tail cord 63. In addition, the hall indicator 52 installed at the hall 51 on each floor is electrically connected to the main controller 61 via a transmission cord 64. These cords 62 to 64 are provided with only signal lines and do not include power lines. That is, in this system, power is supplied in a non-contact manner in the order of the counterweight 12, the car 11, and the hall indicator 52 from the power feeding device 22 installed in the hoistway 10.

  For example, an electromagnetic induction method is used as a non-contact power supply method. The “electromagnetic induction method” is a method of transmitting power to the other coil (power receiving side coil) through the magnetic flux generated when a current is passed through one of the two adjacent coils (power feeding side coil). In addition to this, there are a "radio wave system" that converts current into electromagnetic waves and transmits power through an antenna, and an "electromagnetic field resonance system" that uses the resonance phenomenon of electromagnetic fields. It is not limited. Hereinafter, an electromagnetic induction method will be described as an example.

  FIG. 2 is a diagram showing the configuration of each device provided in the counterweight 12 in the first embodiment.

  The control device 31 provided in the counterweight 12 includes a first power supply control unit 31a, a second power supply control unit 32b, and a third power supply control unit 32c as functions for realizing the present system. ing.

  The first power supply control unit 31 a performs power supply control for the counterweight 12. Specifically, when there is a power supply request from the counterweight 12 to the battery 32, the counterweight 12 is moved to the installation position of the power supply device 22 in the hoistway 10, and the electric power supplied from the building power supply 21 is changed to the hoistway. The power is supplied from the 10 power supply devices 22 to the power receiving device 33 of the counterweight 12 in a non-contact manner and stored in the battery 32 of the counterweight 12.

  The second power supply control unit 31 b performs power supply control for the car 11. Specifically, when there is a power supply request from the car 11 to the battery 42, the power stored in the battery 32 of the counterweight 12 is not contacted from the power supply device 34 of the counterweight 12 to the power receiving device 43 of the car 11. Is supplied to the battery 42 and stored in the battery 42 of the car 11. Note that a power supply request instruction from the car 11 to the counterweight 12 is made via the tail cord 63.

  The third power supply control unit 31 c performs power supply control on the hall indicator 52. Specifically, when there is a power supply request for the battery 54 from the hall indicator 52 installed at the landing 51 on an arbitrary floor, the car 11 is moved to the floor where the requested hall indicator 52 is installed. The electric power stored in the battery 42 of the car 11 is fed from the power supply device 44 of the car 11 to the power receiving device 55 of the hall indicator 53 in a non-contact manner and stored in the battery 54 of the hall indicator 52. Note that a power supply request instruction from the hall indicator 52 to the counterweight 12 is issued from the main control device 61 via the tail cords 62 and 63.

  Here, the battery 32 provided in the counterweight 12 has a larger capacity than the battery 42 of the car 11 and the battery 54 of the hall indicator 52 in order to store electric power necessary for driving the counterweight 12. For example, a supercapacitor (electric double layer capacitor) is used as the battery 32. The battery 32 has a capability of quickly storing high-voltage energy, so that it can cope with rapid power supply.

  The power receiving device 33 includes a power receiving coil 35, a rectifier circuit 36, and a smoothing circuit 37. The power receiving device 33 is configured to receive non-contact power fed from the power feeding device 22 installed in the hoistway 10 and store it in the battery 32. . The power feeding device 34 includes a power transmission coil 38 and an oscillation circuit 39, and is configured to oscillate the power of the battery 32 to the power receiving device 43 of the car 11.

  The power receiving device 43 and the power feeding device 44 of the car 11 have the same configuration. Further, the power receiving device 55 of the hall indicator 52 has a configuration in which the power feeding device portion is removed from the circuit diagram shown in FIG. On the contrary, the power supply device 22 installed in the hoistway 10 and the circuit diagram shown in FIG. 2 exclude the power receiving device portion, and the power is supplied from the building power source 21 instead of the battery.

  In such a configuration, in this system, power is supplied by the following method every certain time or when the capacity of various batteries falls below a certain value.

  That is, first, power supply to the counterweight 12 (power supply necessary for driving the motor 17 of the hoisting machine) is performed by moving the car 11 to the reference floor and stopping the counterweight 12 at a position facing the power supply device 22. To do.

  During power feeding, a harmonic current flowing from a power transmission coil (not shown) in the power feeding device 22 installed in the hoistway 10 is received by the power receiving coil 35 in the power receiving device 10. Then, after rectification and smoothing by the rectifier circuit 36 and the smoothing circuit 20, the driving power is stored in the battery 32. The electric power stored in the battery 32 is boosted in the control device 31 and supplied to the motor 17 through an inverter (not shown).

  Subsequently, power is supplied to various devices in the car 11 while the car 11 and the counterweight 12 are aligned. The positioning method can be realized by recording in advance the position where the car 11 and the counterweight 12 face each other. That is, in an elevator, a pulse encoder (not shown) is usually installed in the motor 17, and a car position is detected by counting pulse signals output from the pulse encoder in synchronization with the rotation of the motor 17. Therefore, the pulse count value corresponding to the facing position between the car 11 and the counterweight 12 is checked, and the car 11 is moved based on the pulse count value during power feeding.

  When alignment by pulse counting is difficult, a position sensor is installed beside the power feeding device 34 of the counterweight 12 and the power receiving device 43 of the car 11. As this position sensor, a reflective photoelectric sensor is used to project light toward the counterweight 12 or the car 11 facing each other. Position detection is performed by blocking light emitted from the position sensor by the counterweight 12 or the car 11.

  After the alignment, the harmonic current is caused to flow through the power transmission coil 38 by harmonic switching of the direct current discharged from the battery 32 of the counterweight 12 by the oscillation circuit 39. Then, a harmonic voltage is generated in the power receiving device 43 of the car 11 by the principle of electromagnetic induction. Thereafter, rectification and smoothing are performed by the rectifier circuit and the smoothing circuit in the same manner as described above, and electric power is stored in the battery 42. The electric power stored in the battery 42 is supplied to each device in the car 11.

  In order to supply power to the hall indicator 16 installed at the hall 51 on each floor, the car 11 is moved to the floor where the hall indicator 52 where power supply is required, and the power supply device 44 of the car 11 and the power receiving device 55 of the hall indicator 52 are received. This is done by facing each other. The subsequent feeding method is the same as the feeding method between the counterweight 12 and the car 11 described above.

  Next, the operation of the first embodiment will be described.

  FIG. 3 is a flowchart for explaining the operation of the non-contact power feeding system in the first embodiment. Note that the processing shown in this flowchart is executed by the control device 31 provided in the counterweight 12. In the figure, C / W indicates a counterweight, and H / I indicates a hall indicator.

  First, the control device 31 checks whether or not there is a power supply request signal for the battery 32 provided in the counterweight 12 (step A11). This power supply request signal is set when a certain period of time has elapsed by the timer or when the power value of the battery 32 falls below a certain threshold value. The same applies to the other batteries 42 and 54.

  If there is a power supply request signal for the battery 32 of the counterweight 12 (YES in step A11), the control device 31 drives the motor 17 to move the car 11 to the reference floor and installs the counterweight 12 in the hoistway 10. The power is fed to face the power feeding device 22 (step A12). When the power of the battery 32 reaches a certain amount, the power supply is completed and the power supply request signal of the battery 32 is cleared.

  If there is no power supply request signal for the battery 32 of the counterweight 12 (NO in step A11), the control device 31 confirms whether there is a power supply request signal for the battery 42 of the car 11 (step A13). ). The battery 42 power supply request signal is sent from the car 11 to the counterweight 12 via the tail cord 63.

  If there is a power supply request signal for the battery 42 of the car 11 (YES in step A13), the control device 31 confirms whether or not the battery 32 of the counterweight 12 has power necessary for power supply to the car 11. (Step A14).

  When the battery 32 of the counterweight 12 has a certain amount of power or more and there is no trouble in operation even if the car 11 is supplied with power (YES in Step A14), the control device 31 drives the motor 17, After aligning the car 11 and the counterweight 12, power supply to the car 11 is started (step A15). In this case, the electric power stored in the battery 32 of the counterweight 12 is sent from the power feeding device 34 to the power receiving device 43 of the car 11 and stored in the battery 42. When the power of the battery 42 reaches a certain amount, the power supply is completed, and the power supply request signal of the battery 42 is cleared.

  On the other hand, if the battery 32 of the counterweight 12 does not have a certain amount of power and the operation is hindered when the car 11 is supplied with power (NO in step A14), the control device 31 A power supply request signal is set (step A18). As a result, the process returns to step A11, and the car 11 moves to the reference floor and power is supplied to the battery 32 of the counterweight 12 (step A11 → A12). When the battery 32 of the counterweight 12 is replenished with a certain amount of power, power supply to the battery 42 of the car 11 is started by the alignment of the car 11 and the counterweight 12 (steps A13 → A14). → A15).

  When there is no power supply request signal for the battery 42 of the car 11 (NO in step A13), the control device 31 determines whether there is a power supply request signal for the battery 54 of the hall indicator 52 installed at the hall 51 on each floor. It is confirmed whether or not (step A13). The power supply request signal of the battery 54 is sent from the main controller 61 to the counterweight 12 via the tail cords 62 and 63.

  If there is a power supply request signal for the battery 54 of the hall indicator 52 (YES in step A17), the control device 31 confirms whether or not the power necessary for power supply to the hall indicator 52 is in the battery 42 of the car 11. (Step A18). Note that the control device 31 of the counterweight 12 acquires information related to the battery 42 of the car 11 from the control device 41 of the car 11 via the tail cord 63.

  If the battery 42 of the car 11 has a certain amount of power or more and there is no hindrance to driving the equipment in the car even if the hall indicator 52 is fed (YES in Step A18), the control device 31 turns the motor 17 off. The car 11 is driven to move the car 11 to the floor where the hall indicator 52 that is the power supply request destination is installed, and power supply to the hall indicator 52 is started (step A19). In this case, the electric power stored in the battery 42 of the car 11 is sent from the power supply device 44 to the power receiving device 55 of the hall indicator 52 and stored in the battery 54. When the power of the battery 54 reaches a certain amount, the power supply is completed, and the power supply request signal of the battery 54 is cleared.

  On the other hand, when the battery 42 of the car 11 does not have a certain amount of electric power and the hall indicator 52 is powered and there is a problem in driving the in-car device (NO in step A18), the control device 31 causes the car 11 to The power supply request signal of the battery 42 is set (step A20). As a result, the process returns to step A13, and power is supplied to the battery 42 of the car 11 by aligning the car 11 and the counterweight 12 (steps A13 → A14 → A15). When the battery 42 of the car 11 is replenished with a certain amount of power, the car 11 moves to the floor where the hall indicator 52 is installed, and power supply to the battery 54 of the hall indicator 52 is started (step). A17 → A18 → A19).

  If there is no power supply request signal for the battery 54 of the hall indicator 52 in step A17, the power supply to all the batteries 32, 42, 54 is sufficient, and the process returns to step A11 and enters a standby state.

  In this way, the battery 32 of the counterweight 12 is contactlessly supplied with power from the power supply device 22 installed in the hoistway 10, the battery 42 of the car 11 from the battery 32 of the counterweight 12, and the car 11. Power is supplied from the battery 42 to the battery 54 of the hall indicator 52. Thereby, it is possible to supply power to each part of the elevator just by installing one power supply device 22 in the hoistway 10, and it is possible to realize a non-contact power supply system for an elevator for cordless purposes.

  In addition, when the power of the battery 32 of the counterweight 12 or the battery 42 of the car 11 is supplied to the outside, the power of the battery 32 or the battery 42 is checked before the power is supplied, so that the battery power is inadvertently supplied. It is possible to prevent power from being supplied to the outside.

  In the first embodiment, the signal is transmitted / received between the control devices 31, 41, 61 using a transmission code such as a tail code. However, the signal is transmitted / received by wireless communication. Also good. In this case, since not only the power cord but also the signal cord is not provided in the hoistway 10, the configuration becomes simpler.

  Further, although the control device 31 of the counterweight 12 has a function related to the non-contact power feeding of the present system, the main control device 61 which is the main controller of the elevator may have a similar function.

(Second Embodiment)
Next, a second embodiment will be described.

  In the first embodiment, the non-contact power supply from the hoistway power supply device 22 to the battery 32 of the counterweight 12 and then the noncontact power supply from the battery 32 of the counterweight 12 to the battery 42 of the car 11 has been described. However, this relationship may be reversed if the capacity of the battery 42 of the car 11 is large.

  FIG. 4 is a diagram illustrating a configuration of an elevator non-contact power feeding system according to the second embodiment. In addition, the same code | symbol is attached | subjected to the same part as the structure of FIG. 1 in the said 1st Embodiment, and the detailed description shall be abbreviate | omitted.

  That is, in the second embodiment, non-contact power is supplied from the power supply device 22 of the hoistway to the battery 42 of the car 11, and then non-contact power is supplied from the battery 42 of the car 11 to the battery 32 of the counterweight 12. ing. Further, the battery 54 of the hall indicator 52 installed at the hall 51 on each floor is configured to perform non-contact power supply to the battery 32 of the counterweight 12. Further, the function related to the non-contact power feeding is provided in the control device 41 of the car 11.

  FIG. 5 is a diagram illustrating a configuration of each device provided in the car 11 according to the second embodiment.

  The control device 41 provided in the car 11 includes a first power supply control unit 41a, a second power supply control unit 42b, and a third power supply control unit 42c as functions for realizing the present system. ing.

  The first power supply control unit 41 a performs power supply control for the car 11. Specifically, when there is a power feeding request from the car 11 to the battery 42, the car 11 is moved to the installation position of the power feeding device 22 in the hoistway 10, and the electric power supplied from the building power supply 21 is taken up by the hoistway. Power is supplied from the 10 power supply devices to the power receiving device 43 of the car 11 in a non-contact manner and stored in the battery 42 of the car 11.

  The second power supply control unit 41 b performs power supply control for the counterweight 12. Specifically, when there is a power supply request from the counterweight 12 to the battery 32, the electric power stored in the battery 42 of the car 11 is not contacted from the power supply device 44 of the car 11 to the power receiving device 33 of the counterweight 12. Is supplied and stored in the battery 32 of the counterweight 12. Note that a power supply request instruction from the counterweight 12 to the car 11 is made via the tail cord 63.

  The third power supply control unit 41 c performs power supply control on the hall indicator 52. Specifically, when there is a power supply request for the battery 54 from the hall indicator 52 installed at the landing 51 on an arbitrary floor, the counterweight 12 is moved to the floor where the requested hall indicator 52 is installed, and the counter The electric power stored in the battery 32 of the weight 12 is supplied from the power supply device 34 of the counterweight 12 to the power receiving device 55 of the hall indicator 52 in a non-contact manner and stored in the battery 54 of the hall indicator 52. Note that a power supply request instruction from the hall indicator 52 to the car 11 is made from the main control device 61 through the tail cords 62 and 63.

  Here, since the battery 42 provided in the car 11 needs to store not only the power of the devices in the car but also the power of other devices, it has a certain amount of capacity. As the battery 42, for example, a super capacitor (electric double layer capacitor) is used, and has a performance of quickly storing high-voltage energy, so that it can cope with rapid power feeding.

  The power receiving device 43 includes a power receiving coil 45, a rectifying circuit 46, and a smoothing circuit 47. The power receiving device 43 is configured to receive non-contact power supplied from the power feeding device 22 installed in the hoistway 10 and store it in the battery 42. . The power feeding device 44 includes a power transmission coil 48 and an oscillation circuit 49 and oscillates the power of the battery 42 to the power receiving device 33 of the counterweight 12.

  In such a configuration, after non-contact power feeding is performed from the power feeding device 22 of the hoistway to the battery 42 of the car 11 under the control of the control device 31 provided in the car 11, the battery of the car 11 Non-contact power feeding is performed from 42 to the battery 32 of the counterweight 12, and from the battery 32 of the counterweight 12 to the battery 54 of the hall indicator 52 installed at the hall 51 on each floor.

  In addition, when the electric power of the battery 42 of the car 11 and the battery 32 of the counterweight 12 is supplied to the outside, the electric power is supplied after confirming the electric power of the batteries 42 and 32.

  That is, in the configuration of FIG. 4, when power is supplied from the battery 42 of the car 11 to the battery 32 of the counterweight 12, the power of the battery 42 is confirmed, and when there is a certain amount or more of power, the car 11 is counterweighted. The power stored in the battery 42 of the car 11 is fed from the power feeding device 44 of the car 11 to the power receiving device 33 of the counterweight 11 in a non-contact manner.

  On the other hand, when the battery 42 of the car 11 does not have a certain amount of power, the car 11 is moved to the installation position of the power feeding device 22 to replenish the battery 42 of the car 11 with a certain amount of power. Later, the car 11 is moved to a position facing the counterweight 12, and the electric power stored in the battery 42 of the car 11 is fed from the power supply device 44 of the car 11 to the power receiving device 33 of the counterweight 11 in a non-contact manner. To do.

  The same applies when power is supplied from the counterweight 12 to the hall indicator 52. That is, the power of the battery 32 of the counterweight 12 is confirmed, and when there is a certain amount or more of power, the counterweight 12 is moved to the floor where the hall indicator 52 is installed, and the power stored in the battery 32 of the counterweight 12 is Power is supplied from the power supply device 34 of the counterweight 12 to the power reception device 55 of the hall indicator 52 in a non-contact manner.

  On the other hand, if the battery 32 of the counterweight 12 does not have a certain amount of power, the counterweight 12 is moved to a position facing the car 11 to replenish the battery 32 of the counterweight 12 with a certain amount of power. After that, the counterweight 12 is moved to the floor where the hall indicator 52 is installed, and the power stored in the battery 32 of the counterweight 12 is fed from the power supply device 34 of the counterweight 12 to the power receiving device 55 of the hall indicator 52 in a non-contact manner. To do.

  In this way, after performing non-contact power feeding from the power feeding device 22 of the hoistway to the battery 42 of the car 11, the battery 42 of the car 11 is transferred to the battery 32 of the counterweight 12, and further the battery 32 of the counterweight 12. Even if it is the structure which performs non-contact electric power feeding to the battery 54 of the hall indicator 52 installed in the hall 51 of each floor, one electric power feeder 22 is installed in the hoistway 10 like the said 1st Embodiment. It is possible to supply power to each part of the elevator simply by placing it, and to realize an elevator non-contact power supply system for the purpose of making cordless.

  In addition, when the power of the battery 42 of the car 11 or the battery 32 of the counterweight 12 is supplied to the outside, the power of the battery 42 or the battery 32 is checked before the power is supplied. It is possible to prevent power from being supplied to the outside.

  In the second embodiment, the signal is transmitted / received between the control devices 31, 41, 61 using a transmission code such as a tail code. However, the signal is transmitted / received by wireless communication. Also good. In this case, since not only the power cord but also the signal cord is not provided in the hoistway 10, the configuration becomes simpler.

  In addition, although the control device 41 of the car 11 has the function related to the non-contact power feeding of the present system, the main control device 61 that is the main controller of the elevator may have the same function.

  According to at least one embodiment described above, a non-contact power feeding system for an elevator that can efficiently perform non-contact power feeding to a plurality of power feeding targets from one power feeding device installed in a hoistway is provided. be able to.

  In addition, although some embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  DESCRIPTION OF SYMBOLS 10 ... Hoistway, 11 ... Ride car, 11a ... Car lighting equipment, 11b ... Door, 12 ... Counterweight, 13 ... Sheave, 14 ... Rope, 15 ... Sheave, 16 ... Traction sheave, 17 ... Motor, 21 ... Building Power supply 22 ... Power feeding device 31 ... Control device 31a ... First power feeding control unit 31b ... Second power feeding control unit 31c ... Third power feeding control unit 32 ... Battery 33 ... Power receiving device 34 ... Power feeding device, 35 ... power receiving coil, 36 ... rectifier circuit, 37 ... smoothing circuit, 38 ... power transmission coil, 39 ... oscillation circuit, 41 ... control device, 41a ... first power feeding control unit, 41b ... second power feeding control unit , 41c ... third power supply control unit, 42 ... battery, 43 ... power receiving device, 44 ... power feeding device, 45 ... power receiving coil, 46 ... rectifier circuit, 47 ... smoothing circuit, 48 ... power transmission coil, 51 ... landing, 52 ... hole Indicator, 53 ... controller, 54 ... battery, 55 ... receiving device, 61 ... main control unit, 62 ... tail code, 63 ... tail code.

Claims (12)

A non-contact power feeding system used in a counterweight drive type elevator that provides a battery, a power receiving device, a power feeding device to a counterweight and a car, and performs power feeding in a non-contact manner from a power feeding device installed in a hoistway,
The counterweight is moved to the installation position of the power supply device of the hoistway, and the electric power supplied from the building power supply is supplied in a non-contact manner from the power supply device of the hoistway to the power receiver of the counterweight. First power supply control means for storing in the battery;
The car is moved to a position facing the counterweight, and the electric power stored in the counterweight battery is supplied from the counterweight power supply device to the power reception device of the car in a non-contact manner. A non-contact power feeding system for an elevator, comprising: a second power feeding control means for storing in the battery. The second power supply control means includes:
The power of the counterweight battery is confirmed, and when there is a certain amount of power, the car is moved to a position facing the counterweight, and the power stored in the counterweight battery is transferred to the counterweight. The contactless power feeding system for an elevator according to claim 1, wherein power is fed from the power feeding device to the power receiving device of the car in a non-contact manner. The second power supply control means includes:
If the counterweight battery does not have a certain amount of power, the first power supply control means replenishes the counterweight battery with a certain amount of power, and then opposes the car to the counterweight. The non-lifted elevator according to claim 2, wherein the electric power stored in the counterweight battery is fed in a non-contact manner from the counterweight power feeding device to the power receiving device of the car. Contact power supply system. Batteries and power receiving devices are installed in hall indicators installed at the halls on each floor,
The car is moved to the floor where the hall indicator is installed, and the electric power stored in the car battery is fed in a non-contact manner from the car power feeding device to the power receiving device of the hall indicator. The elevator non-contact power feeding system according to claim 1, further comprising third power feeding control means for storing in the battery. The third power supply control means includes
Check the battery power of the car. If there is more than a certain amount of power, move the car to the floor where the hall indicator is installed, and use the power stored in the car battery. The contactless power feeding system for an elevator according to claim 4, wherein power is fed from the power feeding device to the power receiving device of the hall indicator in a contactless manner. The third power supply control means includes
If the battery of the car does not have a certain amount of power, the second power supply control means replenishes the car battery with a certain amount of power and then installs the car to the hall indicator. 6. The elevator non-contact according to claim 5, wherein the electric power stored in the car battery is fed from the car power feeding device to the hall indicator power receiving device in a non-contact manner. Power supply system. A non-contact power feeding system used in a counterweight drive type elevator that provides a battery, a power receiving device, a power feeding device to a counterweight and a car, and performs power feeding in a non-contact manner from a power feeding device installed in a hoistway,
The car is moved to the installation position of the power supply device of the hoistway, and the electric power supplied from the building power supply is supplied from the power supply device of the hoistway to the power receiving device of the car in a non-contact manner. First power supply control means for storing in the battery;
The counterweight is moved to the position facing the counterweight, and the power stored in the car battery is fed from the power supply device of the car to the power receiver of the counterweight in a non-contact manner. A non-contact power feeding system for an elevator, comprising: a second power feeding control means for storing in the battery. The second power supply control means includes:
Check the battery power of the car, and if there is more than a certain amount of power, move the counterweight to the position facing the car and use the power stored in the car battery to the car. 8. The contactless power feeding system for an elevator according to claim 7, wherein power is fed in a non-contact manner from the power feeding device to the power receiving device for the counterweight. The second power supply control means includes:
If the battery of the car does not have a certain amount of power, the first power supply control means replenishes the car battery with a power of a certain amount and then the car is opposed to the counterweight. 9. The non-lift of an elevator according to claim 8, wherein the electric power stored in the car battery is fed in a non-contact manner from the car power feeding device to the power receiving device of the counterweight. Contact power supply system. Batteries and power receiving devices are installed in hall indicators installed at the halls on each floor,
The counterweight is moved to the floor where the hall indicator is installed, and the power stored in the counterweight battery is fed in a non-contact manner from the counterweight power supply device to the hall indicator power receiving device. The elevator non-contact power feeding system according to claim 7, further comprising third power feeding control means for storing in the battery. The third power supply control means includes
The power of the counterweight battery is checked, and when there is a certain amount of power, the counterweight is moved to the floor where the hall indicator is installed, and the power stored in the counterweight battery is transferred to the counterweight. 11. The contactless power feeding system for an elevator according to claim 10, wherein power is fed in a non-contact manner from the power feeding device to the power receiving device of the hall indicator. The third power supply control means includes
If the counterweight battery does not have a certain amount of power, the second power supply control means replenishes the counterweight battery with a certain amount of power and then installs the counterweight to the hall indicator. The elevator non-contact according to claim 11, wherein the electric power stored in the counterweight battery is fed to the floor from the counterweight power feeding device to the hall indicator power receiving device in a noncontact manner. Power supply system.

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