WO2020245938A1

WO2020245938A1 - Elevator car side wireless communication device, elevator system, and mobile terminal

Info

Publication number: WO2020245938A1
Application number: PCT/JP2019/022318
Authority: WO
Inventors: 昌平飯島
Original assignee: 三菱電機株式会社
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-12-10
Also published as: JPWO2020245938A1; JP6669328B1

Abstract

Provided is an elevator car side wireless communication device capable of effectively learn a location estimation algorithm. The elevator car side wireless communication device comprises a transmission unit that is provided in the elevator car and that transmits a wireless signal that indicates that a passenger is riding the car toward a mobile terminal existing inside the car. According to said configuration, the mobile terminal ascertains that the passenger is riding the car. Therefore, it is possible to for the mobile terminal to effectively learn the location estimation algorithm.

Description

Elevator car side wireless communication device, elevator system and mobile terminal

The present invention relates to a car-side wireless communication device, an elevator system, and a mobile terminal of an elevator.

Patent Document 1 discloses an elevator system. According to the elevator system, the position of the user can be grasped.

Japanese Patent Application Laid-Open No. 2005-280906

However, the elevator system described in Patent Document 1 uses the GPS function of the mobile terminal. Therefore, the accuracy of identifying the floor on which the mobile terminal is located is low. As a result, the position estimation algorithm of the mobile terminal cannot be effectively learned.

This invention was made to solve the above-mentioned problems. An object of the present invention is to provide an elevator car-side wireless communication device, an elevator system, and a mobile terminal capable of effectively learning a position estimation algorithm.

The car-side wireless communication device of the elevator according to the present invention is a transmission unit provided in the car of the elevator and transmitting a radio signal indicating that the car is in the car toward a mobile terminal existing inside the car. Prepared.

The elevator system according to the present invention controls the raising and lowering of the car side wireless communication device and the car, and sends a wireless signal indicating that the car is in the car when the car door is closed. It was equipped with a control panel to transmit to.

The mobile terminal according to the present invention includes a receiving unit that receives a wireless signal from the car-side wireless communication device, and an updating unit that updates a position estimation algorithm based on the wireless signal received by the receiving unit. ..

According to these inventions, the mobile terminal grasps that it is in the basket. Therefore, the position estimation algorithm can be effectively learned in the mobile terminal.

It is a block diagram of the elevator system in Embodiment 1. FIG. It is a block diagram of the mobile terminal applied to the elevator system in Embodiment 1. FIG. It is a flowchart for demonstrating the outline of the operation of the mobile terminal applied to the elevator system in Embodiment 1. FIG. It is a hardware block diagram of the control panel of the elevator system in Embodiment 1. FIG. FIG. 5 is a block diagram of a car-side wireless communication device and a control panel of the elevator system according to the second embodiment. It is a flowchart for demonstrating the outline of the operation of the car side wireless communication apparatus of the elevator system in Embodiment 2. FIG. 5 is a block diagram of a car-side wireless communication device and a control panel of an elevator system according to the third embodiment. It is a flowchart for demonstrating the outline of the operation of the car side wireless communication apparatus of the elevator system in Embodiment 3. It is a flowchart for demonstrating the outline of the operation of the mobile terminal applied to the elevator system in Embodiment 3. It is a flowchart for demonstrating the outline of the operation of the mobile terminal applied to the elevator system in Embodiment 3.

The embodiment for carrying out the present invention will be described with reference to the attached drawings. In each figure, the same or corresponding parts are designated by the same reference numerals. The duplicate description of the relevant part will be simplified or omitted as appropriate.

Embodiment 1.
FIG. 1 is a configuration diagram of an elevator system according to the first embodiment.

In the elevator system of FIG. 1, a hoistway (not shown) penetrates each floor of a building (not shown). Each of the plurality of landings 1 is provided on each floor of the building. In FIG. 1, only one landing 1 is shown. Each of the plurality of landings 1 faces the hoistway.

The car 2 is provided inside the hoistway.

The landing side wireless communication device 3 is provided at the landing 1. For example, the landing side wireless communication device 3 is a beacon transmitter that transmits a bluetooth (registered trademark) beacon signal. The car-side wireless communication device 4 is provided inside the car 2. For example, the car-side wireless communication device 4 is a beacon transmitter that transmits a bluetooth (registered trademark) beacon signal.

For example, the control panel 5 is provided in the machine room. For example, the control panel 5 is provided at the upper part of the hoistway. For example, the control panel 5 is provided at the lower part of the hoistway. The control panel 5 is provided so as to be able to control the elevator system as a whole.

For example, the server 6 is provided in a building in which an elevator is provided.

For example, the base station 7 is provided outdoors.

The mobile terminal 8 is carried by the user. For example, the mobile terminal 8 is a smartphone. For example, the mobile terminal 8 is a wearable terminal. The mobile terminal 8 is provided so as to be able to communicate with the control panel 5 via the base station 7 and the server 6 by the dedicated application software.

The mobile terminal 8 starts the approach determination process when it detects the radio signal transmitted from the landing side wireless communication device 3. At this time, the mobile terminal 8 estimates its own position by operating the position estimation algorithm, and at the same time, starts learning the position estimation algorithm. In the learning of the position estimation algorithm, the parameters used are updated sequentially.

After that, the mobile terminal 8 detects that it has approached the landing 1 based on the radio wave strength of the radio signal transmitted from the landing side wireless communication device 3. At this time, the mobile terminal 8 transmits information requesting registration of the elevator call to the control panel 5 via the base station 7 and the server 6. For example, the mobile terminal 8 transmits information on the destination floor registered in advance to the control panel 5.

The control panel 5 registers the landing call of the landing 1 based on the information requesting the registration of the call from the mobile terminal 8. After that, the control panel 5 moves the car 2 to the floor of the landing 1.

The user moves to the destination floor in the car 2 that has arrived at the first floor of the platform.

When the mobile terminal 8 does not receive the wireless signal transmitted to the car-side wireless communication device 4, it discards the parameters updated in the position estimation algorithm without reflecting them. The mobile terminal 8 reflects the parameters updated in the position estimation algorithm when the wireless signal transmitted to the car-side wireless communication device 4 is received.

Next, the mobile terminal 8 will be described with reference to FIG.
FIG. 2 is a block diagram of a mobile terminal applied to the elevator system according to the first embodiment.

As shown in FIG. 2, the mobile terminal 8 includes a memory 9 and a CPU 10.

The memory 9 includes a position estimation parameter information storage unit 9a and a primary information storage unit 9b.

The position estimation parameter information storage unit 9a stores the parameter information used in the position estimation algorithm.

The primary information storage unit 9b appropriately stores various information.

The CPU 10 includes a receiving unit 10a, an approach determination unit 10b, a position estimation unit 10c, a request registration request unit 10d, a car boarding / alighting determination unit 10e, an information management unit 10f, and a control unit 10g.

The receiving unit 10a receives the wireless signal from the landing side wireless communication device 3. The receiving unit 10a receives the radio signal from the car-side wireless communication device 4.

The approach determination unit 10b performs the approach determination process. For example, the approach determination unit 10b detects that the vehicle has approached the landing 1 based on the radio wave intensity of the radio signal received by the reception unit 10a. For example, the approach determination unit 10b detects that the vehicle has left the landing 1 based on the radio wave intensity of the radio signal received by the reception unit 10a.

The position estimation unit 10c estimates the position by the position estimation algorithm.

The request registration request unit 10d requests the elevator to be called when it is determined by the approach determination unit 10b that the vehicle has approached the landing 1.

The car boarding / alighting determination unit 10e performs the car boarding / alighting determination process. For example, the car boarding / alighting determination unit 10e detects that the car has entered the car 2 based on the radio wave intensity of the radio signal received by the receiving unit 10a. For example, the car boarding / alighting determination unit 10e detects that the car has disembarked from the car 2 based on the radio wave intensity of the radio signal received by the receiving unit 10a.

The information management unit 10f manages the information stored in the memory 9.

The control unit 10g controls the reception unit 10a, the approach determination unit 10b, the position estimation unit 10c, the request registration request unit 10d, the car boarding / alighting determination unit 10e, and the information management unit 10f as a whole.

Next, the outline of the operation of the mobile terminal 8 will be described with reference to FIG.
FIG. 3 is a flowchart for explaining an outline of the operation of the mobile terminal applied to the elevator system according to the first embodiment.

In step S1, the mobile terminal 8 determines whether or not the wireless signal from the landing side wireless communication device 3 has been received. If the mobile terminal 8 has not received the radio signal from the landing side wireless communication device 3 in step S1, the mobile terminal 8 performs the operation of step S1. When the mobile terminal 8 receives the wireless signal from the landing side wireless communication device 3 in step S1, the mobile terminal 8 performs the operation of step S2.

In step S2, the mobile terminal 8 starts the approach determination process. After that, the mobile terminal 8 performs the operation of step S3. In step S3, the mobile terminal 8 starts learning the position estimation algorithm. After that, the mobile terminal 8 performs the operation of step S4. In step S4, the mobile terminal 8 determines whether or not the radio wave intensity of the radio signal from the landing side wireless communication device 3 exceeds a preset first threshold value.

If the radio wave intensity of the radio signal from the landing side wireless communication device 3 does not exceed the preset first threshold value in step S4, the mobile terminal 8 performs the operation of step S5. In step S5, the mobile terminal 8 determines whether or not the radio wave intensity of the radio signal from the landing side wireless communication device 3 is equal to or less than a preset second threshold value. At this time, the second threshold value is set to a value smaller than the first threshold value.

If the radio wave intensity of the radio signal from the landing side wireless communication device 3 is not equal to or less than the preset second threshold value in step S5, the mobile terminal 8 performs the operation of step S4. When the radio wave intensity of the radio signal from the landing side wireless communication device 3 is equal to or less than the preset second threshold value in step S5, the mobile terminal 8 performs the operation of step S1.

When the radio wave intensity of the radio signal from the landing side wireless communication device 3 exceeds the preset first threshold value in step S4, the mobile terminal 8 performs the operation of step S6. In step S6, the mobile terminal 8 requests the registration of the elevator call. After that, the mobile terminal 8 performs the operation of step S7. In step S7, the mobile terminal 8 stops learning the position estimation algorithm.

After that, the mobile terminal 8 performs the operation of step S8. In step S8, the mobile terminal 8 determines whether or not the radio signal from the car-side wireless communication device 4 has been received.

If the mobile terminal 8 has not received the wireless signal from the car-side wireless communication device 4 in step S8, the mobile terminal 8 performs the operation of step S9. In step S9, the mobile terminal 8 determines whether or not the radio field intensity of the radio signal from the landing side wireless communication device 3 is equal to or less than a preset second threshold value.

If the radio wave intensity of the radio signal from the landing side wireless communication device 3 is not equal to or less than the preset second threshold value in step S9, the mobile terminal 8 performs the operation of step S8. When the radio wave intensity of the radio signal from the landing side wireless communication device 3 is equal to or less than the preset second threshold value in step S9, the mobile terminal 8 performs the operation of step S10.

In step S10, the mobile terminal 8 cancels the learning result of the position estimation algorithm. After that, the mobile terminal 8 performs the operation of step S1.

When the mobile terminal 8 receives the wireless signal from the car-side wireless communication device 4 in step S8, the mobile terminal 8 performs the operation of step S11. In step S11, the mobile terminal 8 reflects the learning result of the position estimation algorithm. After that, the mobile terminal 8 performs the operation of step S1.

According to the first embodiment described above, it is grasped that the mobile terminal 8 is in the car 2. Specifically, the mobile terminal 8 grasps whether or not it exists inside the car 2. Therefore, the mobile terminal 8 can effectively learn the position estimation algorithm.

Next, an example of the control panel 5 will be described with reference to FIG.
FIG. 4 is a hardware configuration diagram of the control panel of the elevator system according to the first embodiment.

Each function of the control panel 5 can be realized by a processing circuit. For example, the processing circuit includes at least one processor 100a and at least one memory 100b. For example, the processing circuit comprises at least one dedicated hardware 200.

When the processing circuit includes at least one processor 100a and at least one memory 100b, each function of the control panel 5 is realized by software, firmware, or a combination of software and firmware. At least one of the software and firmware is written as a program. At least one of the software and firmware is stored in at least one memory 100b. At least one processor 100a realizes each function of the control panel 5 by reading and executing a program stored in at least one memory 100b. At least one processor 100a is also referred to as a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, and a DSP. For example, at least one memory 100b is a non-volatile or volatile semiconductor memory such as RAM, ROM, flash memory, EPROM, EEPROM, magnetic disk, flexible disk, optical disk, compact disk, mini disk, DVD, or the like.

If the processing circuit comprises at least one dedicated hardware 200, the processing circuit may be implemented, for example, as a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof. To. For example, each function of the control panel 5 is realized by a processing circuit. For example, each function of the control panel 5 is collectively realized by a processing circuit.

For each function of the control panel 5, a part may be realized by the dedicated hardware 200, and the other part may be realized by software or firmware. For example, the function of moving the car 2 is realized by a processing circuit as dedicated hardware 200, and the function other than moving the car 2 is a program in which at least one processor 100a is stored in at least one memory 100b. It may be realized by reading and executing.

In this way, the processing circuit realizes each function of the control panel 5 by hardware 200, software, firmware, or a combination thereof.

Although not shown, each function of the server 6 is also realized by a processing circuit equivalent to a processing circuit that realizes each function of the control panel 5.

Embodiment 2.
FIG. 5 is a block diagram of the car-side wireless communication device and the control panel of the elevator system according to the second embodiment. The same or corresponding parts as those of the first embodiment are designated by the same reference numerals. The explanation of the relevant part is omitted.

As shown in FIG. 5, the car-side wireless communication device 4 includes a memory 11 and a CPU 12.

The memory 11 includes a wireless information storage unit 11a.

The wireless information storage unit 11a stores information related to the wireless signal.

The CPU 12 includes a wired communication unit 12a, a transmission unit 12b, a car condition monitoring unit 12c, an information management unit 12d, and a control unit 12e.

The wired communication unit 12a communicates with the control panel 5 by wire.

The transmission unit 12b transmits a wireless signal.

The car status monitoring unit 12c monitors the status of the car 2 based on the control signal received by the wired communication unit 12a.

The information management unit 12d manages the information stored in the memory 11.

The control unit 12e controls the wired communication unit 12a, the transmission unit 12b, the car condition monitoring unit 12c, and the information management unit 12d as a whole.

The control panel 5 includes a wired communication unit 5a and a car state management unit 5b.

The wired communication unit 5a communicates with the car side wireless communication device 4 by wire.

The car status management unit 5b manages the status of the car 2.

Next, the outline of the operation of the car-side wireless communication device 4 will be described with reference to FIG.
FIG. 6 is a flowchart for explaining an outline of the operation of the car-side wireless communication device of the elevator system according to the second embodiment.

In step S21, the car-side wireless communication device 4 confirms the state of the door of the car 2 based on the information from the control panel 5. After that, the car-side wireless communication device 4 performs the operation of step S22. In step S22, the car-side wireless communication device 4 determines whether or not the door of the car 2 is closed.

If the door of the car 2 is not closed in step S22, the car side wireless communication device 4 performs the operation of step S21. When the door of the car 2 is closed in step S22, the car-side wireless communication device 4 performs the operation of step S23. In step S23, the car-side wireless communication device 4 transmits a wireless signal. After that, the car-side wireless communication device 4 performs the operation of step S21.

According to the second embodiment described above, the car-side wireless communication device 4 transmits a wireless signal when the door of the car 2 is closed. The car-side wireless communication device 4 does not transmit a wireless signal when the door of the car 2 is open. Therefore, the mobile terminal 8 does not receive the radio signal from the car-side wireless communication device 4 outside the car 2 such as the landing 1. Therefore, it is possible to prevent the mobile terminal 8 from erroneously determining that the user is in the car 2.

Embodiment 3.
FIG. 7 is a block diagram of the car-side wireless communication device and the control panel of the elevator system according to the third embodiment. The same or corresponding parts as those of the second embodiment are designated by the same reference numerals. The explanation of the relevant part is omitted.

The car-side wireless communication device 4 of the third embodiment is a device in which a car destination monitoring unit 12f is added to the car-side wireless communication device 4 of the second embodiment.

The car destination monitoring unit 12f monitors the destination of the car 2.

The control panel 5 of the third embodiment is a device in which the car destination management unit 5c is added to the control panel 5 of the second embodiment.

The car destination management unit 5c manages the destination of the car 2.

Next, the outline of the operation of the car-side wireless communication device 4 will be described with reference to FIG.
FIG. 8 is a flowchart for explaining an outline of the operation of the car-side wireless communication device of the elevator system according to the third embodiment.

Step S31 and step S32 are the same as steps S21 and S22 in FIG.

If the door of the car 2 is not closed in step S32, the car side wireless communication device 4 performs the operation of step S31. When the door of the car 2 is closed in step S32, the car-side wireless communication device 4 performs the operation of step S33. In step S33, the car-side wireless communication device 4 confirms the next stop floor based on the information from the control panel 5.

After that, the car-side wireless communication device 4 performs the operation of step S34. In step S34, the car-side wireless communication device 4 transmits a wireless signal including information on the next stop floor. After that, the car-side wireless communication device 4 performs the operation of step S31.

Next, an outline of the operation of the mobile terminal 8 will be described with reference to FIGS. 9 and 10.
FIG. 9 is a flowchart for explaining an outline of the operation of the mobile terminal applied to the elevator system according to the third embodiment.

Steps S41 to S51 are the same as steps S1 to S11 in FIG.

After step S51, the mobile terminal 8 performs the operation of step S52. In step S52, the mobile terminal 8 updates the information on the getting-off floor based on the information on the next stop floor included in the radio signal from the car-side wireless communication device 4. After that, the mobile terminal 8 performs the operation of step S53. In step S53, the mobile terminal 8 determines whether or not the radio wave intensity of the radio signal from the landing side wireless communication device 3 exceeds a preset first threshold value.

If the radio wave intensity of the radio signal from the landing side wireless communication device 3 does not exceed the preset first threshold value in step S53, the mobile terminal 8 performs the operation of step S52. When the radio wave intensity of the radio signal from the landing side wireless communication device 3 exceeds the preset first threshold value in step S53, the mobile terminal 8 performs the operation of step S54.

In step S54, the mobile terminal 8 refuses to receive the radio signal from the landing side wireless communication device 3 on the getting-off floor for a certain period of time. After that, the mobile terminal 8 performs the operation of step S51.

According to the third embodiment described above, when the mobile terminal 8 gets out of the car 2, the mobile terminal 8 rejects the radio signal from the landing side wireless communication device 3 of the landing 1 for a certain period of time. Therefore, it is possible to prevent the mobile terminal 8 from erroneously requesting the registration of the elevator call based on the radio signal from the landing side wireless communication device 3 of the landing 1.

If it is determined that the exit floor has not been updated and the vehicle has left the landing, the exit floor may be specified based on this information. The drop-off floor may be used for requesting registration of the next elevator call.

Further, when the disembarkation floor is specified, the mobile terminal 8 may display the store information, the sale information, and the vacant seat information of the restaurant on the disembarkation floor or output the voice.

Further, when the disembarkation floor is specified at the time of a disaster, the mobile terminal 8 may display information such as disaster information, current floor information, evacuation method including evacuation route, and output by voice.

As described above, the elevator system according to the present invention can be used as a system for moving users.

1 landing, 2 car, 3 landing side wireless communication device, 4 car side wireless communication device, 5 control panel, 5a wired communication unit, 5b car status management unit, 5c car destination management unit, 6 server, 7 base station, 8 mobile Terminal, 9 memory, 9a position estimation parameter information storage unit, 9b primary information storage unit, 10 CPU, 10a receiver unit, 10b approach determination unit, 10c position estimation unit, 10d request registration request unit, 10e car boarding / alighting determination unit, 10f information Management unit, 10g control unit, 11 memory, 11a wireless information storage unit, 12 CPU, 12a wired communication unit, 12b transmission unit, 12c car status monitoring unit, 12d information management unit, 12e control unit, 12f car destination monitoring unit, 100a Processor, 100b memory, 200 hardware

Claims

A transmission unit provided in an elevator car and transmitting a wireless signal indicating that the car is in the car toward a mobile terminal existing inside the car.
Elevator car side wireless communication device equipped with.
The elevator car according to claim 1, wherein the transmitting unit transmits a radio signal indicating that the car is in the car toward a mobile terminal existing inside the car when the car door is closed. Side wireless communication device.
The car-side wireless communication device of an elevator according to claim 1 or 2, wherein the transmission unit transmits a radio signal indicating the floor where the car will stop next to a mobile terminal existing inside the car.
The car-side wireless communication device according to claim 1,
A control panel that controls the raising and lowering of the car and causes the car-side wireless communication device to transmit a radio signal indicating that the car is in the car when the car door is closed.
Elevator system with.
The elevator system according to claim 4, wherein the control panel transmits a radio signal indicating the floor on which the car will stop next to the car-side wireless communication device.
A receiving unit that receives a wireless signal from the car-side wireless communication device according to claim 1 or 2.
A control unit that updates the position estimation algorithm based on the radio signal received by the reception unit, and a control unit.
Mobile terminal equipped with.
When the receiving unit receives a radio signal indicating the floor on which the car will stop next, the control unit receives a radio signal from a landing-side wireless communication device provided on the floor on which the car will stop next. The mobile terminal according to claim 6, which rejects reception for a certain period of time.