Elevator management device, elevator management method, and program

Abstract

To provide an elevator management device that improves convenience of a user using an elevator.SOLUTION: An elevator management device according to an embodiment comprises a reception unit that can receive audio data of utterance by a user in a car and audio data of utterance by users at landings, an analysis unit that analyzes the received audio data to extract keywords, a registration unit that registers the extracted keywords in a management database, a determination unit that determines whether the number of keywords registered in the management database exceeds a predetermined criteria number, and a transmission unit that when the number of keywords registered in the management database exceeds the predetermined criteria number, notifies a computer of a change person corresponding to the keywords that exceed the criteria number of a specification change request, and the reception unit further receives the propriety of specification change from the computer of the change person.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] Embodiments of the present invention relate to an elevator management device, an elevator management method, and a program.

Background Art

[0002] The usage methods of elevators vary widely depending on the building and the users. Under such circumstances, there may be a desire to change the specifications of the elevator, such as the overload buzzer or the door opening speed, which is the door opening time of the car door.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Patent Document 3

Patent Document 4

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, in the prior art, even if users desire a change in the elevator specifications, it has been difficult to change the elevator specifications due to shared facilities or social infrastructure, or it has required time and cost for the specification change. Therefore, it has sometimes been difficult to make the specification change when the users desire it. Also, it has been unclear how quantitatively the users desire the specification change, and it has been ambiguous whether the specification change is appropriate. For this reason, users often use the elevator while putting up with dissatisfaction with the elevator specifications.

Means for Solving the Problems

[0005] The elevator management device according to the embodiment is an elevator management device that manages an elevator, and includes a storage unit that stores a management database in which a keyword predetermined for the elevator is associated with a changer related to the elevator, a voice data of a user's speech in a car that moves up and down in a hoistway of the elevator, and voice data of a user's speech at a plurality of landings where the car arrives. A receiving unit capable of receiving, an analyzing unit that analyzes the received voice data and extracts the keyword, a registering unit that registers the extracted keyword in the management database, and a determining unit that determines whether the number of keywords registered in the management database exceeds a predetermined reference number. And a transmission unit that notifies a computer of the changer corresponding to the number of keywords exceeding the reference number of a specification change request when the number of keywords registered in the management database exceeds the predetermined reference number. The receiving unit further receives approval or disapproval of a specification change from the computer of the changer.

Brief Description of Drawings

[0006]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Mode for Carrying Out the Invention

[0007] Hereinafter, embodiments will be described in detail with reference to the drawings. (Embodiment) FIG. 1 is a diagram showing an example of the overall configuration of an elevator management system 1 according to an embodiment. As shown in FIG. 1, the elevator management system 1 of the present embodiment mainly includes a control panel 100 provided in an elevator 600, a controller 150 provided in the elevator 600, a computer 161 in a control room 160 provided in the elevator 600, a server 210 in an elevator hoistway 200, a computer 410 in a monitoring center 400, and a computer 510 in a management company 500.

[0008] In the present embodiment, an elevator 600 is installed in a building 7 such as an office building or an apartment building. In the present embodiment, as shown in FIG. 1, the elevator 600 is provided with two hoistways 20A and 20B.

[0009] The elevator 600 includes two carriages 50A and 50B in each hoistway 20. The carriages 50A and 50B are available for users 8 to board. The hoistways 20A and 20B are spaces where the carriages 50A and 50B can move up and down.

[0010] In addition, each of the hoistways 20A and 20B is provided with a hoisting machine 2 and a counterweight 3. The carriages 50A and 50B and the counterweight 3 are respectively supported by a pair of guide rails (not shown) erected in each of the hoistways 20A and 20B so as to be able to move up and down, and move up and down via a rope 5.

[0011] Also, a control panel 100A, 100B and a controller 150A, 150B are provided inside the hoistways 20A and 20B.

[0012] Here, when the carriages 50A and 50B are not distinguished, they are referred to as a carriage 50. When the hoistways 20A and 20B are not distinguished, they are referred to as a hoistway 20. When the control panels 100A and 100B are not distinguished, they are referred to as a control panel 100. When the controllers 150A and 150B are not distinguished, they are referred to as a controller 150.

[0013] Also, the numbers of the hoistway 20, the car 50, the control panel 100, and the controller 150 are not limited to the example in FIG. 1.

[0014] An operation panel 51 is provided on the inner wall surface of the car 50. The operation panel 51 receives various operations from the user 8 and provides various notifications to the car 50. The operation panel 51 is provided with push buttons, non-contact sensors, speakers, liquid crystal display units, etc. (none of which are shown) for designating the destination floor and opening and closing the door of the car 50.

[0015] In this embodiment, a microphone 52 for collecting the speech of the user 8 or the like is provided on the operation panel 51. Also, the operation panel 51 is connected to the control panel 100 by wire or wirelessly. When the user 8 presses a push button for the destination floor or is detected by a non-contact sensor, a destination floor call is sent to the control panel 100.

[0016] Here, a destination floor call is an operation performed by the user 8 in the car 50 to move the car 50 to a desired destination floor. A destination floor call includes the destination floor. In addition, a camera 53 for imaging the inside of the car 50 is provided in the car 50.

[0017] FIG. 1 shows an example of an elevator 600 in which the car 50 can move up and down in the hoistway 20 from the first floor to the fourth floor. And on each floor, a landing 170 is provided where the user 8 waits for the arrival of the car. Note that the number of floors is not limited to the example in FIG. 1, and the number of landings 170 also corresponds to the number of floors.

[0018] An operation panel 171, a microphone 172, and a camera 173 are provided on the wall surface provided with the elevator door of the landing 170 on each floor. The microphone 172 collects the speech of the user 8 at the landing 170. The camera 173 images the landing.

[0019] The operation panel 171 receives various operations from the user 8 and notifies the car 50 of various information. The operation panel 171 is provided with push buttons, non-contact sensors, speakers, liquid crystal display units, etc. (none of which are shown) for designating the destination direction upward or downward and opening and closing the door of the car 50. Further, the operation panel 171 is connected to the control panel 100 by wire or wirelessly. When the user 8 presses the push button for the destination direction or detection is performed by the non-contact sensor, a landing call is sent to the control panel 100.

[0020] Here, a landing call is an operation performed by the user 8 at the landing 170 to cause the car 50 going in either the upward or downward destination direction to arrive at that landing 170. The landing call includes the destination direction and the floor where the landing call is made.

[0021] The control panel 100 is connected to the operation panel 51 provided in the car 50 and the operation panel 171 provided in the landing 170 by wire or wirelessly. Further, the control panel 100 controls the operation of the car 50 in the elevator 600. The control panel 100 is connected to the controller 150 by wire or wirelessly.

[0022] FIG. 2 is a block diagram showing an example of the functional configuration of the control panel 100 according to the embodiment. As shown in FIG. 2, the control panel 100 of the present embodiment mainly includes a control unit 101, a communication unit 102, and a storage unit 110.

[0023] The storage unit 110 is a storage medium (that is, a memory device) such as a ROM (Read Only Memory) or a RAM (RANDOM ACCESS MEMORY). Various control programs and the like are stored in the storage unit 110.

[0024] The control unit 101 is composed of a hardware processor (CPU: Central Processing Unit). The control unit 101 executes the operation control of the elevator 600 by reading and executing various control programs from the storage unit 110. Here, as the main functions required for the operation control of the elevator 600, for example, functions such as registering landing calls and destination floor calls, driving and controlling the hoist 2 based on landing calls and destination floor calls to control the vertical movement of the car 50, safety functions such as speed control of the car 50, functions of controlling the opening and closing of the doors of the car 50, functions of controlling the lighting of the car 50, functions of group management control, etc. are executed. Here, the group management control is control that cooperates with the control panels 100 of other units and assigns the car 50 closest to the landing 170 where a landing call has been made.

[0025] The communication unit 102 consists of a communication device having a predetermined communication protocol and performs communication processing between the control panel 100 and the controller 150. Also, the communication unit 102 transmits and receives various instructions and notifications to and from the mobile terminals, PCs, etc. of the managers in the control room 160.

[0026] In this embodiment, when a landing call is made to the operation panel 171 provided at the landing, the communication unit 102 receives the landing call and transmits the received landing call and the current position of the car 50 to the server 210 of the elevator penthouse 200 via the controller 150.

[0027] Also, when a destination floor call is made by the user 8 to the operation panel 51 provided inside the car 50, the communication unit 102 receives the destination floor call and transmits the received destination floor call and the current position of the car 50 to the server 210 of the elevator penthouse 200. Also, the communication unit 102 receives the voice data of the speech of the user 8 collected by the microphone 52 inside the car 50 and the voice data of the speech of the user 8 collected by the microphone 172 at the landing 170, and transmits these voice data to the server 210 of the elevator penthouse 200 via the controller 150.

[0028] Returning to FIG. 1, the controller 150 is connected to the server 210 in the elevator cloud 200 via a network. The controller 150 is an intermediary device that controls communication between the control panel 100 and the server 210 and has an interface function and a hub function for mediating various signals exchanged between the control panel 100 and the server 210. Details of the control panel 100 will be described later.

[0029] In the control room 160, the building manager of Building 7 is present and gives various instructions to the control panel 100. Also, the manager in the control room 160 receives various instructions from the control panel 100 via email or the like by means of the computer 161 in the control room 160.

[0030] The server 210 in the elevator cloud 200 instructs the control panel 100 via the controller 150 regarding various controls for the car 50 of the elevator 600, and receives various requests and various data from the control panel 100 via the controller 150. The server 210 in the elevator cloud 200 is connected to the computer 410 of the monitoring center 400 and the computer 510 of the manufacturing company 500 via a network. The server 210 in the elevator cloud 200 is an example of an elevator management device.

[0031] The monitoring center 400 is the management company of the elevator 600. In the monitoring center 400, a computer 410 of the management company or a manager belonging to the management company is installed. The computer 410 collects information necessary for maintenance management and remote monitoring of the elevator 600 from the elevator 600. According to this, when a malfunction occurs in the elevator 600, the maintenance staff can refer to the information necessary for maintenance management collected by the computer 410 of the monitoring center 400 and respond to the occurred malfunction. Also, when functions and services are executed through the elevator cloud 200, it is possible to access the computer 410 of the monitoring center 400 as necessary to refer to building and elevator information, or for the maintenance staff to obtain information necessary for elevator management.

[0032] Next, the details of the server 210 of the elevator cloud 200 will be described. FIG. 3 is a block diagram showing an example of the functional configuration of the server 210 of the elevator cloud 200 according to the embodiment.

[0033] As shown in FIG. 3, the server 210 of the elevator cloud 200 of the present embodiment mainly includes a communication unit 211, an analysis unit 212, a registration unit 213, a determination unit 214, and a storage unit 220.

[0034] The storage unit 220 is a storage medium such as an HDD (Hard Disc Drive) or an SSD (Solid State Drive). As shown in FIG. 3, a management database 221 (hereinafter referred to as "management DB221") is stored in the storage unit 220.

[0035] The management DB221 is a database for managing specification changes of the elevator 600.

[0036] FIG. 4 is a diagram showing an example of the management DB221 according to the embodiment. As shown in FIG. 4, in the management DB221, data classification, voice keywords, real-time aggregation count and change reference count, changer, pre-change date and time, change date and time, branch / branch office contact, property data, etc. are registered in association with each other.

[0037] The data classification is the object of the specification change. In the example of FIG. 4, the data classification includes the door opening time when the door of the car 50 is in the open state, the door opening speed when opening the door of the car 50, the door closing speed when closing the door of the car 50, the load capacity of the car 50, the car speed which is the moving speed of the car 50, the car ceiling indicating the brightness of the ceiling of the car 50, the ambient temperature, etc. are registered. Also, as a case where none of the above applies, unclassifiable is registered in the data classification.

[0038] The voice keyword is a keyword related to the elevator 600 for changing the specification of the data classification target. It is possible to associate a plurality of keywords with one data classification. Any keyword related to the elevator 600 is applicable as this voice keyword. For example, as voice keywords, as shown in FIG. 4, door, door, gate, slow, fast, speed, bright, dark, etc. can be cited.

[0039] The real-time total count is the number of keywords registered in the collected voice keywords. Different keywords are also counted as long as they are keywords registered in the voice keywords corresponding to one data classification. The change criterion number is a threshold value for determining whether the number of collected keywords requires a specification change. The change criterion number is an example of a predetermined criterion number.

[0040] The changer is the implementer of the specification change. In this embodiment, the management company or the administrator, or the elevator manufacturing company is applicable. The change date and time is the scheduled date and time of the specification change when the specification change is possible. The pre-change date and time is the date and time before the change date and time. For example, it can be the date and time when a temporary specification change is made as a trial before the formal specification change.

[0041] The branch / branch office contact is the date and time when the branch or branch office contacts the specification change. The property data is identification information for identifying the elevator.

[0042] Returning to FIG. 3, the communication unit 211 receives the voice data of the speech by the user 8 collected by the microphone 52 in the car 50 and the voice data of the speech by the user 8 collected by the microphone 172 at the landing 170 via the control panel 100 and the controller 150.

[0043] In addition, when the determination unit 214 described later determines that the real-time total count has exceeded the change reference count, the communication unit 211 transmits a specification change request to the changer corresponding to the voice keyword for which the real-time total count has exceeded the change reference count. That is, the communication unit 211 refers to the changer corresponding to the voice keyword in the management DB 221 and transmits the specification change request to either the computer 410 of the management company of the monitoring center 400 or the computer 510 of the manufacturing company 500.

[0044] Further, the communication unit 211 receives, from the computer 410 of the management company of the monitoring center 400 or the computer 510 of the manufacturing company 500, which are the changers, the approval or disapproval of the specification change as the judgment result for the specification change request, the change date and time, the pre-change date and time, and the branch / branch office contact in the case where the specification change is approved.

[0045] Furthermore, the communication unit 211 transmits the target of the specification change as data classification, the approval or disapproval of the specification change as the judgment result for the specification change request, the change date and time, the pre-change date and time, and the branch / branch office contact in the case where the specification change is approved to the computer 161 of the control room 160.

[0046] The analysis unit 212 analyzes the voice data received by the communication unit 211 and extracts voice keywords. Specifically, the analysis unit 212 performs voice recognition on the voice data and performs natural language processing such as morphological analysis on the voice-recognized data to extract voice keywords related to the elevator 600 as shown in the example of the management DB 221 in FIG. 4.

[0047] The registration unit 213 sequentially registers the voice keywords extracted by the analysis unit 212 in the management DB 221. At this time, the registration unit 213 increments the real-time total count corresponding to the voice keyword registered in the management DB 221.

[0048] In addition, the registration unit 213 registers in the management DB 221 the feasibility of specification changes as the judgment result received by the communication unit 211, the change date and time, the pre-change date and time, and the branch / branch office contact in the case where the specification change is possible, in association with the data classification and the voice keyword.

[0049] The determination unit 214 refers to the real-time total count registered in the management DB 221 for each voice keyword at the timing when the voice keyword is sequentially registered in the management DB 221 by the registration unit 213 or at predetermined time intervals, and determines whether or not the total count exceeds the change reference number registered in the management DB 221.

[0050] Next, the elevator management process by the elevator management system 1 configured as described above in this embodiment will be described.

[0051] FIG. 5 is a sequence diagram showing an example of the processing flow of the elevator management process according to the embodiment. First, the control panel 100 collects voice data of the speech of the user 8 in the landing 170 from the microphone 172 in the landing 170 (S11A). The control panel 100 transmits the collected voice data to the controller 150 (S12A). The controller 150 receives the voice data from the control panel 100 and transmits the received data to the server 210 of the elevator cloud 200 (S13A).

[0052] In the server 210 of the elevator cloud 200, the communication unit 211 receives the voice data, the analysis unit 212 analyzes the received voice data to extract a voice keyword, and the registration unit 213 registers the extracted voice keyword in the management DB 221 (S15A).

[0053] Similarly, the control panel 100 collects voice data of the speech of the user 8 in the car 50 from the microphone 52 in the car 50 (S11B). The control panel 100 transmits the collected voice data to the controller 150 (S12B). The controller 150 receives the voice data from the control panel 100 and transmits the received data to the server 210 of the elevator cloud 200 (S13B).

[0054] In the server 210 of the elevator cloud 200, the communication unit 211 receives voice data, the analysis unit 212 analyzes the received voice data to extract voice keywords, and the registration unit 213 registers the extracted voice keywords in the management DB 221 (S15B).

[0055] Next, the determination unit 214 refers to the real-time aggregation count registered in the management DB 221 for each voice keyword, and determines whether or not the aggregation count exceeds the change reference count registered in the management DB 221 (S17).

[0056] Next, when there is a voice keyword whose real-time aggregation count exceeds the change reference count, the communication unit 211 transmits a specification change request for the data classification corresponding to the voice keyword to the changer corresponding to the voice keyword. Specifically, the communication unit 211 transmits the specification change request to the computer 410 of the management company of the monitoring center 400 (S19A), or transmits it to the computer 510 of the manufacturing company 500 (S19B).

[0057] The monitoring center 400 and the manufacturing company 500 that have received the specification change request judge whether or not the specification can be changed (S21A, S21B). Then, the computer 410 of the monitoring center 400 and the computer 510 of the manufacturing company 500 transmit, as a judgment result, the approval or disapproval of the specification change, the change date and time, the pre-change date and time, and the business office / branch office contact in the case where the specification change is approved, to the server 210 of the elevator cloud 200 (S23A, S23B).

[0058] In the server 210 of the elevator cloud 200, the communication unit 211 receives the judgment result, and the registration unit 213 registers, in the management DB 221, the approval or disapproval of the specification change, the change date and time, the pre-change date and time, and the business office / branch office contact as the judgment result received. Then, the communication unit 211 transmits the target of the specification change as data classification, the approval or disapproval of the specification change, the change date and time, the pre-change date and time, and the business office / branch office contact to the computer 161 of the control room 160 (S27A, S27B).

[0059] Thus, in this embodiment, the server 210 of the elevator cloud 200 receives the voice data of the speech by the user 8 in the car 50 and the voice data of the speech by the user 8 at the landing 170, analyzes the received voice data to extract voice keywords related to the elevator 600, registers the extracted voice keywords in the management DB 221, determines whether the real-time total count of the voice keywords registered in the management DB 221 exceeds the change reference number, and when it exceeds the change reference number, notifies the computers 410 and 510 of the changer corresponding to the voice keywords that exceed the change reference number of a specification change request, and receives the approval or disapproval of the specification change from the computers 410 and 510 of the changer.

[0060] Therefore, in this embodiment, the desire for specification change of the users of the elevators used under group management is collected as voice data from daily speech, the collected voice data is analyzed to extract voice keywords related to the elevator 600, the presence or absence of specification change is determined, and a specification change request is made to the changer. Therefore, according to this embodiment, the desire for specification change of the elevator users can be easily determined from daily speech, and when it is determined by the voice changer that the specification change is possible, the specification change can be made. Therefore, the elevator 600 can be easily matched to the specification in a form according to the user's desire, and the convenience of the users using the elevator 600 can be improved.

[0061] Also, in this embodiment, the server 210 of the elevator cloud 200 receives the approval or disapproval of the specification change and the change date and time when the specification change is approved from the computers 410 and 510 of the changer, and registers the received approval or disapproval of the specification change and the change date and time in the management DB 221 in association with the voice keywords. Therefore, according to this embodiment, when it is determined by the changer that the specification change is possible, the date and time of the specification change is notified, so that the elevator 600 can be matched to the specification in a form according to the user's desire, and the convenience of the users using the elevator 600 can be further improved.

[0062] Also, in this embodiment, the server 210 of the elevator cloud 200 further receives from the computers 410 and 510 of the changer the permissibility of the specification change, the change date and time, and, when the specification change is permissible, the pre-change date and time, and registers the pre-change date and time in the management DB 221 in association with the voice keyword. Therefore, according to this embodiment, when it is determined by the changer that the specification can be changed, the pre-change date and time before the specification change date is notified. By tentatively implementing a temporary specification change at the pre-change date and time, the elevator 600 can be made to conform to the specification in a form that meets the user's wishes, and the convenience of the users who use the elevator 600 can be further improved.

[0063] (Modification example) Various modification examples can be considered for the above embodiment. In the above embodiment, the voices of the users 8 in the car 50 and the landing 170 were collected. However, the server 210 of the elevator cloud 200 may be configured to further collect the voices of the users from outside the elevator 600 in the building 7 and extract voice keywords related to the elevator 600. For example, voice data of utterances related to the elevator, such as that it is far to the elevator, the location of the management office is unknown, and the route to the elevator is difficult to understand, can be collected from within the building 7, and the management DB 221 can be configured to be usable for building management. This makes it possible to serve as a basis for new business and building management of the elevator manufacturing company 500 of the elevator 600.

[0064] Also, by classifying and tabulating the voice data collected for each unit of the elevator 600, when a large number of keywords related to the elevator, such as 1000, are extracted, the server 210 of the elevator cloud 200 can be configured to automatically create a schedule for the renewal plan.

[0065] The property data in the management DB 221 may be obtained so as to include the presence or absence of a contract and the contract type as items.

[0066] Alternatively, the management DB 221 may be provided for each region, each donor, and each general contractor, and the server 210 of the elevator cloud 200 may be configured to calculate the aggregated values for each management DB 221.

[0067] The addition and deletion of the data classification of the management DB 221 may be configured to be performed on the manufacturing company 500 side of the elevator 600.

[0068] The management DB 221 and the registration unit 213 may be configured to associate user attributes such as gender and age with each voice data. For example, an image of the user captured by the cameras 53 and 173 together with the voice data is associated with the voice data and transmitted to the server 210 of the elevator cloud 200 via the controller 150. Then, the server 210 analyzes the received image to determine user attributes such as the gender and age of the user, and the analysis unit 212 and the registration unit 213 may be configured to register the user attributes together with the voice keywords extracted from the voice data in the management DB 221.

[0069] The server 210 of the elevator cloud 200 according to the above-described embodiments and modified examples includes a control device such as a CPU, a storage device such as a ROM and a RAM, a storage unit 220 such as an HDD and an SSD, an external storage device such as a CD drive device, a display device such as a display device, and an input device such as a keyboard and a mouse, and has a hardware configuration using a normal computer.

[0070] The elevator management program executed by the server 210 of the elevator cloud 200 according to the above-described embodiments and modified examples is provided by being pre-installed in a ROM or the like.

[0071] The elevator management program executed by the server 210 of the elevator cloud 200 according to the above-described embodiments and modified examples may be configured to be recorded and provided on a computer-readable recording medium such as a CD-ROM, a flexible disk (FD), a CD-R, a DVD (Digital Versatile Disk) in an installable format or an executable format file.

[0072] Furthermore, the elevator management program executed by the server 210 of the elevator cloud 200 according to the above-described embodiments and modified examples may be stored on a computer connected to a network such as the Internet and provided by being downloaded via the network. Also, the elevator management program executed by the server 210 of the elevator cloud 200 according to the above-described embodiments and modified examples may be configured to be provided or distributed via a network such as the Internet.

[0073] The elevator management program executed by the server 210 of the elevator cloud 200 according to the above-described embodiments and modified examples has a module configuration including the above-described respective functional units (communication unit 211, analysis unit 212, registration unit 213, determination unit 214). As actual hardware, the CPU (processor) reads out the elevator management program from the above ROM and executes it, whereby the above respective functional units are loaded onto the main storage device, and the communication unit 211, analysis unit 212, registration unit 213, and determination unit 214 are generated on the main storage device.

[0074] Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included in the scope and gist of the invention and are included in the invention described in the claims and its equivalent scope.

[0075] 1... Elevator management system, 2... Hoist, 3... Counterweight, 5... Rope, 7... Building, 8... User, 20, 20A, 20B... Shaft, 50, 50A, 50B... Car, 170... Landing, 51, 171... Operation panel, 52, 172... Microphone, 53, 173... Camera, 100, 100A, 100B... Control panel, 101... Control unit, 102, 211... Communication unit, 110, 220... Memory unit, 221... Management DB, 160... Control room, 161, 410, 510... Computer, 200... Elevator cloud, 210... Server, 212... Analysis unit, 213... Registration unit, 214... Judgment unit, 221... Management DB, 400... Monitoring center, 500... Manufacturing company, 600... Elevator.

Claims

1. An elevator management device for managing an elevator, comprising: a storage unit that stores a management database associating a predetermined keyword related to the elevator with a changer related to the elevator; a receiving unit capable of receiving voice data of speech by a user in a car moving up and down in a hoistway of the elevator and voice data of speech by the user at a plurality of landings where the car arrives; an analysis unit that analyzes the received voice data and extracts the keyword; a registration unit that registers the extracted keyword in the management database; a determination unit that determines whether the number of keywords registered in the management database exceeds a predetermined reference number; a transmission unit that, when the number of keywords registered in the management database exceeds the predetermined reference number, notifies a computer of the changer corresponding to the number of keywords exceeding the reference number of a specification change request; The receiving unit further receives approval or disapproval of a specification change from a computer of the changer, the elevator management device.

2. The receiving unit further receives approval or disapproval of a specification change and a change date and time when the specification change is approved from a computer of the changer, The registration unit further registers the received approval or disapproval of the specification change and the change date and time in association with the keyword in the management database. The elevator management device according to claim 1.

3. The receiving unit further receives, from a computer of the changer, approval or disapproval of the specification change, the change date and time, and a pre-change date and time when the specification change is approved, The registration unit further registers the pre-change date and time in association with the keyword in the management database. The elevator management device according to claim 2.

4. The changer is a management company or administrator of the elevator. The elevator management device according to claim 1.

5. The changer is a manufacturing company of the elevator. The elevator management device according to claim 1.

6. An elevator management method executed by an elevator management device for managing an elevator, The elevator management device includes a storage unit that stores a management database associating a predetermined keyword related to the elevator with a changer related to the elevator. A step of being able to receive voice data of speech by a user in a car that moves up and down in the hoistway of the elevator, and voice data of speech by the user at a plurality of landings where the car arrives. A step of analyzing the received voice data and extracting the keyword. A step of registering the extracted keyword in the management database. A step of determining whether the number of keywords registered in the management database exceeds a predetermined reference number. When the number of keywords registered in the management database exceeds a predetermined reference number, a step of notifying the computer of the changer corresponding to the number of keywords exceeding the reference number of a specification change request. A step of receiving from the computer of the changer whether a specification change is possible or not. An elevator management method including the above.

7. A program for causing a computer of an elevator management device that manages an elevator to execute, The elevator management device includes a storage unit that stores a management database associating a keyword predetermined for the elevator with a changer related to the elevator. A step of being able to receive voice data of speech by a user in a car that moves up and down in the hoistway of the elevator, and voice data of speech by the user at a plurality of landings where the car arrives. A step of analyzing the received voice data and extracting the keyword. A step of registering the extracted keyword in the management database. A step of determining whether the number of keywords registered in the management database exceeds a predetermined reference number. When the number of keywords registered in the management database exceeds a predetermined reference number, a step of notifying the computer of the changer corresponding to the number of keywords exceeding the reference number of a specification change request. A step of receiving from the computer of the changer whether a specification change is possible or not. A program for causing the computer to execute the above.

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