Elevator equipment maintenance support system

Abstract

To improve safety of maintenance work in an elevator device.SOLUTION: A maintenance support system of an elevator device includes a sensor for detecting a worker in a hoistway, and a cloud server for transferring position information of the worker detected by the sensor and information of a progress state of work received from a portable terminal held by the worker to a monitoring server in real time. The cloud server has an emergency stop part for transmitting a signal for stopping the elevation of the car to a control device for controlling the elevation drive of the car when receiving the stop command from the monitoring server.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] An embodiment of the present invention relates to a maintenance support system for an elevator apparatus, a maintenance support method for an elevator apparatus, and a maintenance support program for an elevator apparatus. [Background technology]

[0002] During elevator maintenance and inspection work, workers enter the elevator shaft to carry out the work, which can be dangerous. Generally, to avoid danger, a safety switch is operated to prevent the car from moving while the work is being carried out. However, since the safety switch is set by a person, it is possible that the safety switch may be forgotten to be set. Also, since there are multiple switches on the control panel, it is possible that an incorrect operation may occur.

[0003] When multiple workers perform maintenance and inspection work, they check each other's responses as they go along. If there is no response, an alarm may be sounded to indicate an abnormality. However, since the response check and subsequent car operation are performed by humans, it is impossible to completely eliminate the possibility of misrecognition or incorrect operation.

[0004] To eliminate such human error, third-party monitors are sometimes deployed. However, it is difficult for a single monitor to monitor maintenance work in real time in high-rise buildings or buildings with multiple elevator systems installed in parallel. Therefore, maintenance work in high-rise buildings or buildings with multiple elevator systems installed in parallel requires the deployment of multiple monitors, resulting in the problem of higher maintenance costs. In addition, the need for multiple monitors to work together can lead to human error. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Publication No. 2020-71586 Summary of the Invention [Problem to be solved by the invention]

[0006] The present invention has been made in view of the above circumstances, and an object of the present invention is to improve the safety of maintenance work on an elevator system. [Means for solving the problem]

[0007] To solve the above problems, an elevator equipment maintenance support system according to an embodiment includes a sensor that detects a worker in the elevator shaft, and a cloud server that transfers the location information of the worker detected by the sensor and information on the progress of work received from a mobile device held by the worker to a monitoring server in real time. The sensor is provided at least on the bottom of the car and the bottom of the counterweight. The cloud server includes an emergency stop unit, a position measurement unit, a storage unit, a warning information selection unit, and a communication unit. The emergency stop section is When a stop command is received from the monitoring server, a signal to stop the elevator car from ascending or descending is sent to the control device that controls the elevator car's ascending or descending drive. 。 The position measurement unit The position of the worker in the hoistway relative to the car and counterweight is measured based on the information transmitted by the sensor. The memory unit stores information linking the maintenance work content, position information of the worker in the hoistway relative to the car and counterweight, and warning information for warning corresponding to past near-miss cases and accident cases. The warning information selection unit selects warning information corresponding to the maintenance work content and warning information corresponding to the position of the worker in the hoistway relative to the car and counterweight. The communication unit transmits the selected warning information to the mobile device carried by the worker. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a block diagram of a maintenance support system for an elevator apparatus according to an embodiment of the present invention. [Figure 2] FIG. 2 is a block diagram showing a control system of the elevator apparatus according to the present embodiment. [Figure 3] FIG. 2 is a block diagram of a cloud server according to the present embodiment. [Figure 4] 10 is a flowchart illustrating an emergency stop process according to the present embodiment. [Figure 5] 10 is a flowchart illustrating an attention-drawing process according to the present embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] The present embodiment will be described below with reference to the drawings. The drawings and flowcharts used to describe the present embodiment are merely examples.

[0010] Fig. 1 is a block diagram of an elevator maintenance support system 1 according to this embodiment. The maintenance support system 1 includes an elevator apparatus 10, a cloud server 100, a monitoring server 200, mobile terminals 400 and 401, and sensors 35 and 36 (sensor 36 is not shown in Fig. 1). The elevator apparatus 10, the monitoring server 200, the mobile terminals 400 and 401, and sensors 35 and 36 are connected to the cloud server 100 via a network 300. The network 300 is, for example, the Internet.

[0011] The elevator system 10 is disposed inside a hoistway 50 provided in a building such as a commercial facility or a residential facility. As shown in Fig. 1, the elevator system 10 includes a car 31, a counterweight 32, an elevator motor 33, a control device 80, and the like.

[0012] The car 31 is a unit that accommodates passengers and moves them up and down the elevator shaft 50. The weight of the counterweight 32 is adjusted to be a predetermined ratio to the weight of the car 31. The elevator motor 33 is a motor for raising and lowering the car 31. The elevator motor 33 is located at the top of the elevator shaft 50. A wire is wound around the pulley of the elevator motor 33. One end of the wire is fixed to the car 31, and the other end is fixed to the counterweight 32.

[0013] The control device 80 is disposed in the elevator shaft 50. The control device 80 houses a control device for controlling the elevator motor 33, the equipment provided in the car 31, etc. Fig. 2 is a block diagram showing the control system of the elevator apparatus 10. The control system includes a control unit 81 and a drive unit 82 housed in the control device 80, a communication unit 83, an operation panel 311 provided in the car 31, sensors 35 and 36, etc.

[0014] The operation panel 311 is provided on the inner wall surface of the car 31. The operation panel 311 is an interface for receiving destination floors and the like from users of the car 31. By operating the operation panel 311, users can register destination floors and the like for the car 31 and open and close the doors.

[0015] The sensor 35 is provided, for example, at the bottom of the car 31 and the counterweight 32. The sensor 35 may be provided at multiple locations, such as the wall or ceiling of the hoistway 50. The sensor 35 is a sensor that detects a worker in the hoistway 50, and is configured by, for example, a camera. The sensor 35 transmits detected information to the cloud server 100 via the control device 80 and the network 300. The sensor 35 may also transmit detected information to the cloud server 100 without going through the control device 80.

[0016] The sensor 36 is provided inside the car 31. The sensor 36 is a sensor that detects a worker inside the car 31, and is configured by, for example, a camera. The sensor 36 transmits the detected information to the cloud server 100 via the control device 80.

[0017] In the case of an elevator system having a plurality of cars 31, the sensors 35 and 36 are disposed in each of the cars 31 and the counterweight 32. In the case of a high-rise building, the sensors 35 are disposed at a plurality of locations in the hoistway 50.

[0018] 2 drives the lift motor 33 (hoist) by supplying power to the lift motor 33. The drive unit 82 drives the lift motor 33 based on instructions from the control unit 81. The control unit 81 controls the drive unit 82 based on input from the operation panel 311 or the call panel on each floor.

[0019] The control unit 81 is a computer having a CPU (Central Processing Unit), a main memory, an auxiliary memory, and an interface, which are interconnected via a bus. The CPU executes the processes described below in accordance with the programs stored in the auxiliary memory. The main memory includes RAM (Random Access Memory) and the like. The main memory is used as a working area for the CPU. The auxiliary memory includes non-volatile memory such as ROM (Read Only Memory) and semiconductor memory. The auxiliary memory stores the programs executed by the CPU, various parameters, and the like.

[0020] The communication unit 83 has a function of communicating with the sensors 35 and 36, the mobile terminal 400, and the cloud server 100.

[0021] The mobile terminal 400 is a mobile terminal (first mobile terminal) held by a worker (first worker) performing maintenance work in the elevator shaft 50. The mobile terminal 401 is a mobile terminal (second mobile terminal) held by, for example, a worker (second worker) performing work in the car 31. The mobile terminals 400 and 401 are computers with communication capabilities and have a maintenance work support program built in. The mobile terminals 400 and 401 notify the cloud server 100 of the progress of the work via the control device 80 and the network 300. The progress of the work is information input by the worker into the mobile terminal, such as input information for selecting the work content, input information indicating that the content displayed on the mobile terminal has been confirmed, instruction information for controlling the lifting and lowering of the car 31, and input information for measured values. The mobile terminals 400 and 401 may notify the cloud server 100 of the progress of the work without going through the control device 80.

[0022] The cloud server 100 transfers in real time to the monitoring server 200 the position information of the worker detected by the sensors 35 and 36, and the progress of the work received from the mobile terminals 400 and 401. The cloud server 100 can also drive the elevator car 31 up and down via the control device 80 based on instructions from the mobile terminal 400. When the cloud server 100 receives a stop command from the monitoring server 200, it can make an emergency stop of the elevator car 31 up and down via the control device 80.

[0023] Cloud server 100 is a computer with a communication function and has a built-in maintenance work support program. Fig. 3 is a block diagram of cloud server 100. Cloud server 100 has a communication unit 110, a position measurement unit 120, a warning information selection unit 130, a memory unit 140, a warning information creation unit 150, a progress monitoring unit 160, and an emergency stop unit 170.

[0024] The communication unit 110 has a function of communicating with the control device 80, the monitoring server 200, and the mobile terminal 400. The communication unit 110 transfers, in real time, to the monitoring server 200, image information captured by the sensors 35 and 36, position information of the worker detected by the sensors 35 and 36 (the analysis results of the position measurement unit 120), and the progress status of the work received from the mobile terminal 400.

[0025] The position measurement unit 120 uses an image analysis program to analyze the images captured by the sensors 35 and 36, and recognizes the worker in the hoistway 50 and the worker in the car 31. The position measurement unit 120 measures the position of the worker in the hoistway 50 relative to the car 31 and the counterweight 32 based on the image information transmitted by the sensor 35. For example, if multiple sensors 35 are provided at the bottom of the car 31, the position measurement unit 120 measures the position of the worker in the hoistway 50 relative to the car 31 and the counterweight 32 from the angle of the images of the worker captured by the multiple sensors. The position measurement unit 120 also measures the distance between the worker and the car 31 and the counterweight 32.

[0026] The memory unit 140 stores warning information for issuing warnings according to the content of the maintenance work. The warning information is created based on past near-miss incidents and accident cases. Examples of the warning information include, "Make sure that another worker has started the maintenance work support program," and "Pay attention to the counterweight." The memory unit 140 also stores information linking the position information of the worker in the hoistway 50 relative to the car 31 and the counterweight 32 with warning information for issuing warnings corresponding to past near-miss incidents and accident cases. For example, the warning information is, "A descending car is approaching" when the distance between the worker and the car 31 is 10 m; "Watch your head" when the distance is 5 m; and "Danger, danger..." when the distance is 2 m.

[0027] The attention information selection unit 130 is configured using, for example, AI. The attention information selection unit 130 selects, from the storage unit 140, attention information corresponding to the maintenance work content and attention information corresponding to the position of the worker in the hoistway 50 relative to the car 31 and the counterweight 32. For example, if the maintenance worker is working on top of the car 31, the attention information selection unit 130 selects attention information such as "Please check that the safety belt is connected." If the maintenance worker is working with two people, the attention information selection unit 130 selects attention information such as "Please make sure that the other worker has started the maintenance work support program." The attention information selection unit 130 then transmits the selected attention information to the mobile terminal 400 held by the worker in the hoistway 50 via the communication unit 110.

[0028] The attention information creation unit 150 is configured using, for example, AI. The attention information creation unit 150 creates attention information corresponding to the position of the worker in the hoistway 50 relative to the car 31 and the counterweight 32, based on the near-miss information and accident information transmitted from the mobile terminal 400 held by the worker working in the hoistway 50 or the monitoring server 200.

[0029] The progress monitoring unit 160 monitors whether the progress of work received from the mobile terminal 400 satisfies predetermined rules. The predetermined rules are defined in the maintenance work support program. Examples of predetermined rules include the procedure for controlling the lifting and lowering of the car 31, the set value for the lifting and lowering acceleration of the car 31, and confirmation of precautions displayed on the mobile terminal. If the progress monitoring unit 160 determines that the progress of work received from the mobile terminal 400 does not satisfy the predetermined rules, it transmits a signal (stop command) to the control device 80 via the emergency stop unit 170 to stop the lifting and lowering of the car 31.

[0030] For example, when a first worker is at the bottom of the elevator shaft 50 and a second worker is in the car 31, the first worker holds the first mobile terminal 400 and the second worker holds the second mobile terminal 401. When the work is a two-person job, the progress monitoring unit 160 monitors a confirmation notification from the mobile terminal 401 (second mobile terminal) notifying that the instruction to control the elevation of the car 31 received from the mobile terminal 400 (first mobile terminal) has been confirmed, or a confirmation notification from the mobile terminal 400 (first mobile terminal) notifying that the instruction to control the elevation of the car 31 received from the mobile terminal 401 (second mobile terminal) has been confirmed. Then, the progress monitoring unit 160 sends a signal (stop command) via the emergency stop unit 170 to the control device 80, which controls the lifting and lowering drive of the car 31, not to allow the car 31 to be lifted and lowered, until it receives a confirmation notification from the mobile terminal 400 (first mobile terminal) or the mobile terminal 401 (second mobile terminal).

[0031] When the emergency stop unit 170 receives a stop command from the monitoring server 200, it transmits a signal (stop command) to the control device 80 to stop the lifting and lowering of the car 31. When the emergency stop unit 170 receives a stop command from the progress status monitoring unit 160, it transmits a signal (stop command) to the control device 80 to stop the lifting and lowering of the car 31.

[0032] Next, the emergency stop processing by the elevator maintenance support system 1 will be described with reference to the flowchart shown in Fig. 4. The emergency stop processing starts when the worker starts the maintenance work support program from the mobile terminal 400.

[0033] When the maintenance work support program is launched, image information of the inside of the elevator shaft 50 acquired by the sensor 35 and image information of the inside of the car 31 acquired by the sensor 36 are transferred in real time to the monitoring server 200 via the cloud server 100 (step S11). A monitor is stationed at the monitoring server 200. In the case of maintenance work in a high-rise building or a building where multiple elevator systems are arranged in parallel, images taken by multiple sensors are transferred in real time to the monitoring server 200, allowing one monitor to check all information related to the maintenance work in real time. The monitor can emergency stop the ascent and descent of the car 31 of the elevator system 10 via the cloud server 100 by inputting the information into the monitoring server 200. For example, if the maintenance worker is not following the prescribed procedures or if the monitor notices something unusual about the maintenance worker, the monitor inputs an emergency stop command to the monitoring server 200.

[0034] The emergency stop unit 170 of the cloud server 100 monitors whether or not an emergency stop command has been received from the monitoring server 200 (step S12). If an emergency stop command has been received from the monitoring server 200 (step S12: Yes), the cloud server 100 transmits an emergency stop command to the control device 80 to make an emergency stop of the ascent and descent of the car 31 of the elevator device 10 (step S16). Upon receiving the emergency stop command from the cloud server 100, the control device 80 performs control to stop the rotation of the lift motor 33 of the car 31. The emergency stop state of the car 31 is maintained until a command to cancel the emergency stop is input from the monitoring server 200 (step S17).

[0035] On the other hand, if there is no emergency stop command from the monitoring server 200 (step S12: No), the process proceeds to step S13.

[0036] The worker inputs the details of the maintenance work into the mobile terminal 400 that the worker possesses. The details of the maintenance work include, for example, measuring the error in the stopping position of the car, measuring the swaying of the car, checking the communication function, and inspecting the lighting. Then, the worker inputs the progress status for each work item determined according to the details of the maintenance work into the mobile terminal 400 (step S13). In the case of measuring the error in the stopping position of the car, the work items include, for example, setting the movement speed, moving the car 31 to a specified floor and then moving it up to the specified floor, and inputting the measured value of the step between the car 31 and the floor.

[0037] The progress status monitoring unit 160 monitors whether the progress status of the work received from the mobile terminal 400 satisfies predetermined rules (step S14). Examples of predetermined rules include the procedure for controlling the raising and lowering of the car 31, the set value for the acceleration of raising and lowering of the car 31, and confirmation of warnings displayed on the mobile terminal. If the progress status monitoring unit 160 determines that the progress status of the work received from the mobile terminal 400 does not satisfy the predetermined rules (step S14: No), the progress status monitoring unit 160 transmits a signal to the control device 80 via the emergency stop unit 170 to stop the raising and lowering of the car 31 (step S16). At this time, the progress status monitoring unit 160 notifies the mobile terminal 400 that the work procedure violates the predetermined rules.

[0038] If the progress status monitoring unit 160 determines that the work progress received from the mobile terminal 400 satisfies the predetermined rule (step S14: Yes), it checks whether the mobile terminal 401 is running. If the mobile terminal 401 is running (in the case of a two-person operation), it monitors whether mutual confirmation regarding the lifting and lowering control of the car 31 has been achieved (step S15). For example, the progress status monitoring unit 160 monitors whether a confirmation notification is sent from the first mobile terminal 400 (e.g., a mobile terminal held by a worker at the bottom of the elevator shaft 50) in response to a lifting and lowering control instruction for the car 31 sent from the second mobile terminal 401 (e.g., a mobile terminal held by a worker inside the car 31). If the confirmation notification is not received (step S15: No), the progress status monitoring unit 160 sends a signal to the control device 80 via the emergency stop unit 170 to stop the lifting and lowering of the car 31 (step S16).

[0039] When a task that should be performed by two people does not receive a response from the first mobile terminal 400 or the second mobile terminal 401, the progress monitoring unit 160 sends a signal to the control device 80 via the emergency stop unit 170 to stop the raising and lowering of the car 31.

[0040] The cloud server 100 checks whether the maintenance work specified by the maintenance work support program for the corresponding maintenance content has been completed (step S18). If all the maintenance work has not been completed (step S18: No), the process proceeds to step S11. On the other hand, if all the maintenance work has been completed (step S18; Yes), the emergency shutdown process ends.

[0041] Next, the attention drawing process by the elevator maintenance support system 1 will be described with reference to the flowchart shown in Fig. 5. The attention drawing process starts when the worker starts the maintenance work support program from the mobile terminal 400.

[0042] The worker inputs the details of the maintenance work into the mobile terminal 400 that the worker carries (step S31). The attention information selection unit 130 selects attention information for calling attention according to the work details of the maintenance work from the storage unit 140 (step S32). Then, the attention information selection unit 130 transmits the selected attention information to the mobile terminal 400 carried by the worker in the hoistway 50 via the communication unit 110 (step S33).

[0043] When maintenance work begins, the position measurement unit 120 measures the position of the worker relative to the car 31 and the counterweight 32 (step S34). At this time, the position measurement unit 120 measures the distance between the worker and the car 31 and the counterweight 32. Then, the attention information selection unit 130 selects attention information from the storage unit 140 based on the position of the worker in the hoistway 50 relative to the car 31 and the counterweight 32 measured by the position measurement unit 120 (step S35). Then, the attention information selection unit 130 transmits the selected attention information to the mobile terminal 400 carried by the worker in the hoistway 50 via the communication unit 110 (step S36).

[0044] For example, when the distance between the worker and the car 31 is 10 m, the attention-calling information selection unit 130 announces to the worker via the mobile terminal 400 attention-calling information such as "A descending car is approaching." Also, when the distance between the worker and the car 31 is 5 m, the attention-calling information selection unit 130 announces to the worker attention-calling information such as "Watch your head," and when the distance between the worker and the car 31 is 2 m, the attention-calling information selection unit 130 announces to the worker attention-calling information such as "Danger, danger..."

[0045] When the worker inputs from the mobile terminal 400 that the maintenance work has been completed (step S37), the attention-calling process ends.

[0046] Next, the process of creating the warning information will be described. For example, the near-miss information is input from the mobile terminal 400 carried by the worker. The near-miss information can also be input from the monitoring server 200. The worker transmits, as the near-miss information, for example, the details of the maintenance work, the positional relationship between the worker and the car 31 and counterweight 32, and matters that require attention at that time from the mobile terminal 400.

[0047] The warning information creation unit 150 creates warning information corresponding to the position of a worker in the elevator shaft 50 relative to the car 31 and the counterweight 32, for example, based on near-miss information and accident information transmitted from the mobile terminal 400 or the monitoring server 200.

[0048] As described above, the elevator maintenance support system 1 according to the embodiment includes the control device 80 that controls the lifting and lowering of the car 31, the sensor 35 that detects a worker in the hoistway 50, the mobile terminal 400 carried by the worker in the hoistway 50 that notifies the cloud server 100 of the progress of the work via the network 300, and the cloud server 100 that transfers in real time the location information of the worker detected by the sensor 35 (or the location information of the worker detected by the sensor 36) and the progress of the work received from the mobile terminal 400 (or the mobile terminal 401) to the monitoring server 200. The cloud server 100 includes an emergency stop unit 170 that, when a stop command is received from the monitoring server 200, sends a signal to the control device 80 to stop the lifting and lowering of the car 31.

[0049] In the elevator system maintenance support system 1 according to the embodiment, even in the case of a high-rise building or a building with multiple elevator systems, position information of the worker relative to the multiple cars 31 and counterweights 32 is transmitted to the monitoring server 200, allowing a single monitor to monitor all information related to the maintenance work in real time. For example, if a maintenance worker does not follow established procedures or if the monitor notices something unusual about the maintenance worker, the monitor can input an emergency stop command to the monitoring server 200, thereby causing an emergency stop of the ascent and descent of the car 31 of the elevator system 10 via the cloud server 100. As a result, the elevator system maintenance support system 1 according to the embodiment can improve the safety of maintenance work on the elevator system.

[0050] Furthermore, the elevator apparatus maintenance support system 1 according to the embodiment includes a progress status monitoring unit 160 that monitors whether the work progress status received from the mobile terminal 400 (and the mobile terminal 401) satisfies predetermined rules. When the progress status monitoring unit 160 determines that the work progress status received from the mobile terminal 400 (and the mobile terminal 401) does not satisfy the predetermined rules, it transmits a signal to the control device 80 via the emergency stop unit 170 to stop the lifting and lowering of the car 31. When the predetermined rules are not satisfied, the probability of an accident occurring increases. By including the progress status monitoring unit 160, the elevator apparatus maintenance support system 1 according to the embodiment can improve the safety of maintenance work on the elevator apparatus.

[0051] Furthermore, the progress monitoring unit 160 of the elevator maintenance support system 1 according to the embodiment monitors a confirmation notification from the second mobile terminal 401 held by the second worker, indicating that the elevator car 31 control instruction received from the first mobile terminal 400 held by the first worker has been confirmed, or a confirmation notification from the first mobile terminal 400 held by the first worker, indicating that the elevator car 31 control instruction received from the second mobile terminal 401 held by the second worker has been confirmed. The progress monitoring unit 160 then transmits a signal to the control device 80, which controls the elevator car 31, that does not permit the elevator car 31 to be raised or lowered, until the confirmation notification is received from the first mobile terminal 400 or the second mobile terminal 401. In the case of two-person work, proceeding without agreement between the two workers increases the probability of an accident. The elevator maintenance support system 1 according to the embodiment can improve the safety of elevator maintenance work by using the progress monitoring unit 160 to confirm whether the two workers have agreed to the work.

[0052] Furthermore, the elevator maintenance support system 1 according to the embodiment has an attention information selection unit 130 that selects attention information corresponding to the maintenance work content and the position of the worker in the hoistway 50 relative to the car 31 and the counterweight 32, and transmits the selected attention information to the mobile terminal 400 carried by the worker in the hoistway 50. This makes it possible to improve the safety of maintenance work on the elevator system.

[0053] Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments. For example, in the above description, the cloud server 100 is used, but the control device 80 may have the functions of the cloud server 100 described above.

[0054] Furthermore, in the above description, the network 300 is the Internet, but the network 300 may be a dedicated line.

[0055] Although several embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments may be embodied in various other forms, and various omissions, substitutions, and modifications may be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, and are also included in the scope of the invention and its equivalents as set forth in the claims. [Explanation of symbols]

[0056] 1...Elevator equipment maintenance support system 10...Elevator device 31...Car 311...Operation panel 32...Counterweight 33...Lift motor 35, 36...Sensor 50...Elevator shaft 80...Control device 81...Control unit 82...Drive unit 83…Communications Department 100...Cloud server 110…Communications Department 120...Position measurement unit 130...Warning information selection section 140...Storage section 150...Warning Information Creation Department 160...Progress Monitoring Department 170...Emergency stop section 200...Monitoring server 300…Network 400, 401...Mobile devices

Claims

1. a sensor that detects a worker in the elevator shaft; a cloud server that transfers, in real time, the location information of the worker detected by the sensor and information on the progress of the work received from the mobile terminal held by the worker to a monitoring server; and The sensor is provided on at least one of a bottom of the car and a bottom of the counterweight, an emergency stop unit that, when receiving a stop command from the monitoring server, sends a signal to a control device that controls the lifting and lowering drive of the car to stop the lifting and lowering of the car; a position measurement unit that measures the position of a worker in the hoistway relative to the car and the counterweight based on the information transmitted by the sensor; a storage unit that stores information linking the details of maintenance work, position information of workers in the elevator shaft relative to the car and the counterweight, and attention-calling information for calling attention to past near-miss cases and accident cases; an attention information selection unit that selects attention information corresponding to the maintenance work content and attention information corresponding to the position of a worker in the hoistway relative to the car and the counterweight; a communication unit that transmits the selected attention-calling information to the mobile device held by the worker; having Elevator equipment maintenance support system.

2. an attention-calling information creation unit that creates attention-calling information corresponding to the position of a worker in the elevator shaft relative to the car and the counterweight based on the near-miss information and accident information transmitted from the mobile terminal or the monitoring server; The elevator maintenance support system according to claim 1 .

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