CN111601765B - Elevator remote monitoring system - Google Patents
Elevator remote monitoring system Download PDFInfo
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- CN111601765B CN111601765B CN201880086586.4A CN201880086586A CN111601765B CN 111601765 B CN111601765 B CN 111601765B CN 201880086586 A CN201880086586 A CN 201880086586A CN 111601765 B CN111601765 B CN 111601765B
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- communication
- control
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- elevator
- server
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
Abstract
The elevator remote monitoring system determines whether to switch from control communication to monitoring communication when a specific situation requiring monitoring communication occurs between the elevator control system and the monitoring server during control communication between the elevator control system and the control server, and cuts off the control communication performed between the elevator control system and the control server and performs monitoring communication between the elevator control system and the monitoring server when it is determined to switch from the control communication to the monitoring communication.
Description
Technical Field
The present invention relates to an elevator remote monitoring system configured to enable remote monitoring of an elevator, remote control of an elevator, and the like.
Background
An elevator remote monitoring system (for example, see patent documents 1 to 3) is configured such that an information center side and an elevator side are connected by communication via a telephone line or the like, and remote monitoring of an elevator, remote control of an elevator, and the like can be realized from the information center side.
A general information center is provided with a monitoring server that receives data for remotely monitoring an elevator from an elevator side, and a control server that transmits data for remotely controlling an elevator to the elevator side.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2017-013936
Patent document 2: japanese patent laid-open publication No. 2016-190728
Patent document 3: japanese patent laid-open publication No. 2016-190720
Disclosure of Invention
Problems to be solved by the invention
In the elevator remote monitoring system, while a certain elevator communicates with the control server of the information center via a telephone line, the telephone line is in a used state. Therefore, there are cases where: even if the elevator has a situation that communication with a monitoring server of an information center is required, the elevator cannot communicate with the monitoring server until the communication with the control server is cut off after the communication with the control server is finished.
In addition, as a situation in which the elevator needs to communicate with the monitoring server, for example, there is a situation in which the elevator needs to transmit a report signal for reporting an abnormality when the abnormality occurs in the elevator to the monitoring server.
The present invention has been made to solve the above-described problems, and an object of the present invention is to obtain an elevator remote monitoring system including: when the elevator communicating with the control server has a situation that needs to communicate with the monitoring server, the communication connection destination of the elevator can be switched from the control server to the monitoring server as needed.
Means for solving the problems
The elevator remote monitoring system of the invention comprises: an elevator control system that controls an elevator apparatus; a communication device which communicates with an elevator control system via a monitoring line; a monitoring server which performs monitoring communication with the elevator control system by receiving monitoring information from the elevator control system through a communication device; and a control server that performs control communication for transmitting control information to the elevator control system via the communication device, wherein the elevator remote monitoring system performs switching determination as to whether or not to switch from the control communication to the monitoring communication when a specific situation requiring the monitoring communication occurs between the elevator control system and the monitoring server during the control communication between the elevator control system and the control server, and cuts off the control communication performed between the elevator control system and the control server and performs the monitoring communication between the elevator control system and the monitoring server when it is determined that the control communication is to be switched from the control communication to the monitoring communication.
Effects of the invention
According to the present invention, an elevator remote monitoring system can be obtained as follows: when the elevator communicating with the control server has a situation that needs to communicate with the monitoring server, the communication connection destination of the elevator can be switched from the control server to the monitoring server as needed.
Drawings
Fig. 1 is a configuration diagram showing an elevator remote monitoring system according to embodiment 1 of the present invention.
Fig. 2 is a flowchart showing a series of communication switching processing performed by the elevator remote monitoring system according to embodiment 1 of the present invention.
Fig. 3 is a flowchart showing a series of communication switching processing performed by the elevator remote monitoring system according to embodiment 2 of the present invention.
Fig. 4 is a configuration diagram showing another example of the elevator remote monitoring system according to embodiments 1 and 2 of the present invention.
Detailed Description
Hereinafter, an elevator remote monitoring system according to the present invention will be described with reference to the accompanying drawings according to a preferred embodiment. In the description of the drawings, the same or corresponding portions are denoted by the same reference numerals, and redundant description thereof is omitted.
Fig. 1 is a configuration diagram showing an elevator remote monitoring system according to embodiment 1 of the present invention. The elevator remote monitoring system shown in fig. 1 includes: an elevator 2 provided independently in a plurality of buildings 1; an information center 3 which is installed remotely and manages the elevator 2 of each building 1; and a monitoring line 4 for connecting the elevator 2 and the information center 3. As the monitoring line 4, for example, a telephone line, an IP (Internet Protocol) line, or the like can be used.
The elevator 2 includes: an elevator device 21 and an elevator control system 24 having a control device 22 and a monitoring device 23.
Control data for controlling the operation of the elevator apparatus 21 is set in the control apparatus 22. Here, the control data is data used by the control device 22 to control the operation of the elevator device 21, and specifically, for example, is a control program, a control parameter, and the like.
The control device 22 controls the operation of the elevator device 21 in accordance with the set control data. Specifically, the control device 22 controls, for example, the operation of the hoisting machine of the elevator, the operation of the car door of the elevator, and the like as the operation of the elevator.
The monitoring device 23 is connected to the control device 22 so as to be able to communicate with it, and is connected to the information center 3 so as to be able to communicate with it via the monitoring line 4. The monitoring device 23 monitors the state of the elevator device 21, and periodically transmits monitoring data as a result of the monitoring to the information center 3 as monitoring information. When an abnormality occurs in the elevator apparatus 21, the monitoring device 23 transmits an alarm signal for reporting the abnormality to the information center 3 as monitoring information.
When receiving control information described later from the information center 3, the monitoring device 23 transmits the control information to the control device 22. The monitoring device 23 also has a function of performing a communication switching process described later.
The information center 3 includes a communication device 31, a monitoring server 32, a control server 33 provided independently of the monitoring server 32, and an operation terminal 34.
The communication device 31 has a function of transmitting and receiving data, and communicates with the monitoring device 23 of the elevator control system 24 via the monitoring line 4. The communication device 31 is shared by the monitoring server 32 and the control server 33.
The monitoring server 32 receives monitoring information from the monitoring device 23 through the communication device 31 as communication with the elevator control system 24.
In this way, the monitoring server 32 performs communication (hereinafter referred to as monitoring communication) with the elevator control system 24, in which monitoring information is received from the elevator control system 24 via the communication device 31.
The control server 33 transmits control information to the monitoring device 23 through the communication device 31 as communication with the elevator control system 24. Specifically, the control server 33 transmits control information to the monitoring device 23 via the communication device 31 in accordance with a request from the operation terminal 34 or a designated schedule table, which will be described later. Here, the control information is information related to control of the control device 22, and specifically, for example, control data set in the control device 22, control data for updating old control data already set in the control device 22, and a command signal for instructing the control device 22 to perform a diagnostic operation for diagnosing the presence or absence of an abnormality of the elevator device 21.
In this way, the control server 33 performs communication (hereinafter, referred to as control communication) with the elevator control system 24, in which control information is transmitted to the elevator control system 24 via the communication device 31.
The operation terminal 34 is configured to be operable by a maintenance person or the like, and requests the control server 33 to transmit control information to the monitoring device 23 in accordance with the operation by the maintenance person or the like.
Next, a communication switching process performed by the elevator remote monitoring system according to embodiment 1 will be described with reference to fig. 2. Fig. 2 is a flowchart showing a series of communication switching processing performed by the elevator remote monitoring system according to embodiment 1 of the present invention.
The series of processing in the flowchart of fig. 2 is repeatedly executed while the control communication is performed between the elevator control system 24 and the control server 33, specifically, while the monitoring device 23 receives the control information from the control server 33.
In step S101, the monitoring device 23 determines whether or not a specific situation has occurred. The specific situation referred to here means a situation in which monitoring communication is required between the elevator control system 24 and the monitoring server 32. The specific situation may be, for example, a situation in which the elevator control system 24 must transmit the report signal to the monitoring server 32.
If it is determined in step S101 that the specific situation has occurred, the process proceeds to step S102, and if it is determined that the specific situation has not occurred, the process ends.
In step S102, the monitoring device 23 performs a switching determination of whether or not to switch from the control communication with the control server 33 to the monitoring communication with the monitoring server 32.
Here, the above-described switching determination will be described. As an example 1 of the handover determination, the following method may be mentioned: a priority for control communication is predetermined for each content of monitoring communication, and whether or not to switch from control communication to monitoring communication is determined in accordance with the content of monitoring communication.
In other words, as the content of the monitoring communication, as described above, there are monitoring data transmitted periodically and a report signal transmitted when an abnormality occurs in the elevator apparatus 21. Regarding the monitoring data and the report signal, the report signal is higher than the monitoring data as the urgency level.
Therefore, when the content of the monitoring communication is the transmission of the report signal, the priority is set higher than that of the control communication, and it is determined that the control communication is to be switched to the monitoring communication in the switching determination. On the other hand, when the content of the monitoring communication is the transmission of the monitoring data, the priority is set to be lower than that of the control communication, and it is determined that the control communication is not switched to the monitoring communication in the switching determination.
In this way, in example 1 of the switching determination, it is determined whether or not to switch from the control communication to the monitor communication in accordance with the content of the monitor communication.
As an example 2 of the handover determination, the following method may be mentioned: a necessary communication time taken until the control communication is completed is estimated, and it is determined whether or not to switch from the control communication to the monitoring communication in accordance with the estimated necessary communication time.
That is, if the control communication is not completed, if the control communication is switched to the monitor communication, the control communication is interrupted to start the monitor communication, and after the monitor communication is completed, the control communication is restarted. Therefore, the shorter the necessary communication time is, the higher the efficiency of restarting the monitoring communication after the completion of the control communication is.
Therefore, when the estimated necessary communication time is equal to or longer than a predetermined threshold, the switching determination is configured to determine that the control communication is to be switched to the monitor communication. On the other hand, when the estimated necessary communication time is less than a preset threshold, the switching determination is configured to determine not to switch from the control communication to the monitoring communication.
In this way, in example 2 of the switching determination, the necessary communication time taken from the processing time of step S102 until the control communication is completed is estimated, and it is determined whether or not to switch from the control communication to the monitor communication in accordance with the estimated necessary communication time.
Returning to the description of fig. 2, when it is determined in step S102 that the control communication is to be switched to the monitor communication, the process proceeds to step S103, and when it is determined that the control communication is not to be switched to the monitor communication, the process ends.
In step S103, the monitoring device 23 cuts off the control communication with the control server 33, and the process proceeds to step S104. Thereby, the communication connection between the monitoring device 23 and the control server 33 is disconnected from the monitoring device 23 side.
In step S104, the monitoring apparatus 23 establishes a communication connection with the monitoring server 32 by transmitting a connection request to the monitoring server 32. Subsequently, the monitoring device 23 performs monitoring communication with the monitoring server 32, and the process ends.
In this way, the elevator control system 24 performs the switching determination when a specific situation occurs while the control communication is performed between the elevator control system 24 and the control server 33. In the switching determination, when it is determined that the control communication is to be switched to the monitor communication, the elevator control system 24 disconnects the control communication being performed between the elevator control system 24 and the control server 33. After the control communication is disconnected, the elevator control system 24 performs monitoring communication between the elevator control system 24 and the monitoring server 32.
As described above, according to embodiment 1, the elevator remote monitoring system is configured to perform the switching determination when a specific situation occurs while control communication is being performed between the elevator control system and the control server. In the switching determination, when it is determined that the control communication is to be switched to the monitoring communication, the elevator remote monitoring system disconnects the control communication being performed between the elevator control system and the control server, and performs the monitoring communication between the elevator control system and the monitoring server.
In embodiment 1, as a specific example of the configuration of the elevator remote monitoring system, a case where the switching determination, the disconnection of the control communication, and the establishment of the monitoring communication are performed by the elevator control system side is exemplified.
According to the above configuration, when a situation occurs in which the elevator communicating with the control server needs to communicate with the monitoring server, the communication connection destination of the elevator can be switched from the control server to the monitoring server as needed. Further, if the transmission priority of the report signal in the monitoring communication is set higher than that in the control communication, even if an abnormality such as a passenger being trapped in the car occurs, the abnormality can be promptly notified to the monitoring server.
In the foregoing embodiment 1, the description has been given of the elevator remote monitoring system configured to perform the switching determination, the disconnection of the control communication, and the establishment of the monitoring communication by the elevator control system 24 side. In contrast, embodiment 2 of the present invention describes an elevator remote monitoring system configured to perform switching determination and disconnection of control communication by the information center 3 side and to perform establishment of monitoring communication by the elevator control system 24 side. Note that, in embodiment 2, descriptions of points that are the same as those in embodiment 1 are omitted, and descriptions of points that are different from those in embodiment 1 are mainly given.
Fig. 3 is a flowchart showing a series of communication switching processing performed by the elevator remote monitoring system according to embodiment 2 of the present invention.
The series of processing in the flowchart of fig. 3 is repeatedly executed while the control communication is performed between the elevator control system 24 and the control server 33, specifically, while the monitoring device 23 receives the control information from the control server 33.
In step S201, the control server 33 determines whether or not a specific situation has occurred. Here, as a specific example of a method for the control server 33 to determine whether or not the specific situation has occurred, for example, the following method can be cited.
That is, when a specific situation occurs, the monitoring device 23 of the elevator control system 24 transmits a specific signal to the control server 33 using a communication line different from the communication line for performing control communication. The control server 33 determines that the specific situation has occurred if it receives the specific signal.
Returning to the explanation of fig. 3, when it is determined that the specific situation has occurred in step S201, the process proceeds to step S202, and when it is determined that the specific situation has not occurred, the process ends.
In step S202, the control server 33 performs a switching determination, and in the switching determination, it is determined whether or not to switch from the control communication between the elevator control system 24 and the control server 33 to the monitoring communication between the elevator control system 24 and the monitoring server 32. Here, as a specific example of a method for the control server 33 to determine whether or not to switch from the control communication to the monitoring communication, for example, the following method may be considered.
That is, the specific signal includes the content of the monitoring communication corresponding to the specific situation, and the control server 33 is configured to grasp the content of the monitoring communication from the received specific signal and perform the same processing as in example 1 of the switching determination. As another example, the control server 33 is configured to perform the same processing as in example 2 of the above-described switching determination.
Returning to the explanation of fig. 3, when it is determined in step S202 that the control communication is to be switched to the monitor communication, the process proceeds to step S203, and when it is determined that the control communication is not to be switched to the monitor communication, the process ends.
In step S203, the control server 33 cuts off the control communication with the monitoring device 23, and the process proceeds to step S204. This disconnects the communication connection between the monitoring device 23 and the control server 33 from the control server 33 side.
In step S204, the monitoring device 23 transmits a connection request to the monitoring server 32 in response to the disconnection of the control communication from the control server 33, thereby establishing a communication connection with the monitoring server 32. Subsequently, the monitoring device 23 performs monitoring communication with the monitoring server 32, and the process ends.
In this way, when a specific situation occurs while the control communication is performed between the elevator control system 24 and the control server 33, the control server 33 performs the switching determination. In the switching determination, when it is determined that the control communication is to be switched to the monitoring communication, the control server 33 disconnects the control communication being performed between the elevator control system 24 and the control server 33. When the control communication is disconnected from the control server 33, the elevator control system 24 performs monitoring communication between the elevator control system 24 and the monitoring server 32.
As described above, according to embodiment 2, the control server is configured to perform the switching determination when a specific situation occurs while the control communication is being performed, and to interrupt the control communication when it is determined that the control communication is to be switched to the monitor communication. The elevator control system is configured to perform monitoring communication with the monitoring server when control communication is disconnected from the control server. With this configuration, the same effects as those of embodiment 1 can be obtained.
The configuration of the elevator remote monitoring system according to embodiments 1 and 2 is not limited to the configuration shown in fig. 1, and may be a configuration in which the communication device 31 is provided in the information center 3 separately from the monitoring server 32 and the control server 33 as shown in fig. 4.
Fig. 4 is a configuration diagram showing another example of the elevator remote monitoring system according to embodiments 1 and 2 of the present invention.
In fig. 4, the communication devices 31 provided independently and correspondingly to the monitoring server 32 and the control server 33 are referred to as a communication device 35 and a communication device 36, respectively.
In fig. 4, the information center 3 includes: a center-side monitoring system 37 having a communication device 35 and a monitoring server 32; and a center-side control system 38 having a communication device 36, a control server 33, and an operation terminal 34. The center-side monitoring system 37 and the center-side control system 38 are provided independently.
The communication device 35 has a function of transmitting and receiving data, and communicates with the monitoring device 23 of the elevator control system 24 via the monitoring line 4. The monitoring server 32 receives the monitoring information transmitted from the monitoring apparatus 23 through the communication apparatus 35.
The communication device 36 has a function of transmitting and receiving data, and communicates with the monitoring device 23 of the elevator control system 24 via the monitoring line 4. The control server 33 transmits control information to the monitoring device 23 via the communication device 31 in accordance with a request from an operation terminal 34 or a designated schedule described later.
As described above, in the elevator remote monitoring system shown in fig. 4, the communication device 35 and the communication device 36 are provided in the information center 3 independently in correspondence with the monitoring server 32 and the control server 33.
That is, in the center-side monitoring system 37, the communication device 35 is provided in correspondence with the monitoring server 32, and communicates with the elevator control system 24 of each building 1 via the monitoring line 4. Thereby, the monitoring server 32 communicates with the elevator control system 24 of each building 1 via the corresponding communication device 35.
In the center-side control system 38, a communication device 36 is provided in correspondence with the control server 33, and communicates with the elevator control system 24 of each building 1 via the monitoring line 4. Thereby, the control server 33 communicates with the elevator control system 24 of each building 1 via the corresponding communication device 36.
As described above, in the configuration of the elevator remote monitoring system shown in fig. 4, the monitoring server 32 and the control server 33 do not share a communication device but use independent communication devices. Therefore, in the configuration shown in fig. 4, even when the traffic volume of the control server 33 varies and increases more than expected as compared with the configuration shown in fig. 1, the monitoring server 32 can communicate with the monitoring device 23 via the communication device 35 other than the communication device 36 provided in correspondence with the control server 33. As a result, a communication delay between the monitoring server 32 and the elevator 2 side can be suppressed.
Further, since the communication device 35 and the communication device 36 are provided separately from the monitoring server 32 and the control server 33, even when accesses to the information center 3 are concentrated, the communication load can be distributed.
Further, in the elevator remote monitoring systems according to embodiments 1 and 2, the configuration in which both the monitoring server 32 and the control server 33 provided independently of the monitoring server 32 are provided in the information center 3 has been exemplified, but the present invention is not limited thereto. That is, the control server 33 may not necessarily be provided in the information center 3, and may be provided in a facility in a region different from the information center 3, for example.
Description of the reference symbols
1: a building; 2: an elevator; 3: an information center; 4: monitoring a line; 21: an elevator device; 22: a control device; 23: a monitoring device; 24: an elevator control system; 31: a communication device; 32: a monitoring server; 33: a control server; 34: an operation terminal; 35: a communication device; 36: a communication device; 37: a center-side monitoring system; 38: and a central side control system.
Claims (7)
1. An elevator remote monitoring system, comprising:
an elevator control system that controls an elevator apparatus;
a communication device that communicates with the elevator control system via a monitoring line;
a monitoring server which performs monitoring communication with the elevator control system, the monitoring communication being performed by the communication device to receive monitoring information from the elevator control system; and
a control server that performs control communication with the elevator control system to transmit control information to the elevator control system via the communication device,
the elevator remote monitoring system performs a switching determination of determining whether or not to switch from the control communication to the monitoring communication when a specific situation requiring the monitoring communication occurs between the elevator control system and the monitoring server during the control communication between the elevator control system and the control server, cuts off the control communication performed between the elevator control system and the control server and performs the monitoring communication between the elevator control system and the monitoring server when it is determined that the control communication is to be switched to the monitoring communication, and performs the control communication between the elevator control system and the control server as it is when it is determined that the control communication is not to be switched to the monitoring communication;
in the switching determination, it is determined whether or not to switch from the control communication to the monitoring communication in accordance with the content of the monitoring communication, a priority for the control communication is predetermined for each content of the monitoring communication, and when the content of the monitoring communication has a higher priority than the control communication, switching from the control communication to the monitoring communication is performed.
2. The elevator remote monitoring system according to claim 1,
the elevator control system performs the switching determination when the specific situation occurs while the control communication is being performed, and performs the monitoring communication by cutting off the control communication when it is determined that the control communication is to be switched to the monitoring communication.
3. The elevator remote monitoring system according to claim 2,
the control server performs the switching determination when the specific situation occurs while the control communication is being performed, and cuts off the control communication when it is determined that the control communication is to be switched to the monitoring communication,
the elevator control system performs the monitoring communication when the control communication is disconnected from the control server side.
4. An elevator remote monitoring system, comprising:
an elevator control system that controls an elevator apparatus;
a communication device that communicates with the elevator control system via a monitoring line;
a monitoring server which performs monitoring communication with the elevator control system, the monitoring communication being performed by the communication device to receive monitoring information from the elevator control system; and
a control server that performs control communication with the elevator control system to transmit control information to the elevator control system via the communication device,
the elevator remote monitoring system performs a switching determination of determining whether or not to switch from the control communication to the monitoring communication when a specific situation requiring the monitoring communication occurs between the elevator control system and the monitoring server during the control communication between the elevator control system and the control server, cuts off the control communication performed between the elevator control system and the control server and performs the monitoring communication between the elevator control system and the monitoring server when it is determined that the control communication is to be switched to the monitoring communication, and performs the control communication between the elevator control system and the control server as it is when it is determined that the control communication is not to be switched to the monitoring communication;
in the switching determination, a necessary communication time taken until the control communication is completed is estimated, and it is determined whether or not to switch from the control communication to the monitoring communication in accordance with the estimated necessary communication time.
5. The elevator remote monitoring system according to claim 4,
the elevator control system performs the switching determination when the specific situation occurs while the control communication is being performed, and performs the monitoring communication by cutting off the control communication when it is determined that the control communication is to be switched to the monitoring communication.
6. The elevator remote monitoring system according to claim 4,
the control server performs the switching determination when the specific situation occurs while the control communication is being performed, and cuts off the control communication when it is determined that the control communication is to be switched to the monitoring communication,
the elevator control system performs the monitoring communication when the control communication is disconnected from the control server side.
7. The elevator remote monitoring system according to any one of claims 1 to 6,
the communication device is provided independently of the monitoring server and the control server.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/008025 WO2019167256A1 (en) | 2018-03-02 | 2018-03-02 | Elevator remote monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111601765A CN111601765A (en) | 2020-08-28 |
| CN111601765B true CN111601765B (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201880086586.4A Active CN111601765B (en) | 2018-03-02 | 2018-03-02 | Elevator remote monitoring system |
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| JP (1) | JP6437171B1 (en) |
| KR (1) | KR102317212B1 (en) |
| CN (1) | CN111601765B (en) |
| WO (1) | WO2019167256A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113225231B (en) * | 2021-05-12 | 2022-09-09 | 广州广日电梯工业有限公司 | Network evaluation method for elevator and network evaluation device for elevator |
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- 2018-03-02 CN CN201880086586.4A patent/CN111601765B/en active Active
- 2018-03-02 WO PCT/JP2018/008025 patent/WO2019167256A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| KR102317212B1 (en) | 2021-10-26 |
| JP6437171B1 (en) | 2018-12-12 |
| JPWO2019167256A1 (en) | 2020-04-09 |
| CN111601765A (en) | 2020-08-28 |
| WO2019167256A1 (en) | 2019-09-06 |
| KR20200060453A (en) | 2020-05-29 |
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