CN111788136A

CN111788136A - Data acquisition system for elevator

Info

Publication number: CN111788136A
Application number: CN201880090459.1A
Authority: CN
Inventors: 引地刚树; 村上博行; 山﨑智史; 中谷彰宏; 上西一辉; 安方慎吾
Original assignee: Mitsubishi Electric Building Techno Service Co Ltd
Current assignee: Mitsubishi Electric Building Solutions Corp
Priority date: 2018-04-03
Filing date: 2018-04-03
Publication date: 2020-10-16
Also published as: JP6460291B1; JPWO2019193656A1; WO2019193656A1

Abstract

The purpose of the present invention is to provide a data acquisition system (1) capable of distributing communication for obtaining operation data for the same report period to different times for each of a plurality of storage devices. A data acquisition system (1) is provided with a plurality of remote monitoring devices (13) and a data acquisition device (14). The plurality of remote monitoring devices (13) store the operation data of the corresponding elevator (2) while updating each other. The plurality of remote monitoring devices (13) store data for reproduction. The reproduction data is data for reproducing the operation data at the switching time of the report period after the switching time. The data acquisition device (14) acquires the reproduction data from each of the plurality of remote monitoring devices (13) at different times after the switching time.

Description

Data acquisition system for elevator

Technical Field

The present invention relates to a data acquisition system for an elevator.

Background

Patent document 1 describes an example of a data acquisition system. The data acquisition system includes a plurality of storage devices and a data acquisition device. Each of the plurality of storage devices reads data indicating an operation state from the elevator and stores the data as operation data. The data acquisition device distributes communication for acquiring the operation data stored in each of the plurality of storage devices to different times.

Documents of the prior art

Patent document

Patent document 1: japanese laid-open patent publication No. 10-302180

Disclosure of Invention

Problems to be solved by the invention

However, in the data acquisition system described in patent document 1, the operation data acquired by the data acquisition device is operation data at the time of acquisition. That is, the data acquisition device acquires operation data at different times from each of the plurality of elevators. On the other hand, when a report period to be a target of obtaining the operation data is specified, the operation data at the time of switching the report period is required. Therefore, the data acquisition device cannot distribute the communication of the operation data for obtaining the same report period to different times for each of the plurality of storage devices.

The present invention has been made to solve the above problems. An object of the present invention is to provide a data acquisition system capable of distributing communication for obtaining operation data of the same report period to different times for each of a plurality of storage devices.

Means for solving the problems

The data acquisition system for an elevator of the present invention comprises: a plurality of storage devices which store operation data of the elevator while updating, and store reproduction data for reproducing the operation data at the switching time of the report period after the switching time; and a data acquisition device that acquires the reproduction data from each of the plurality of storage devices at different times after the switching time.

Effects of the invention

According to the present invention, a plurality of storage devices store data for reproduction, respectively. The reproduction data is data for reproducing the operation data at the switching time in the report period after the switching time. The data acquisition device acquires the reproduction data from each of the plurality of storage devices at different times after the switching time. Thus, the data acquisition system can distribute communication for obtaining operation data of the same report period to different times for each of the plurality of elevators.

Drawings

Fig. 1 is a configuration diagram of a data acquisition system according to embodiment 1.

Fig. 2 is a diagram showing an example of the data acquisition table according to embodiment 1.

Fig. 3 is a diagram showing an example of data in the data acquisition system according to embodiment 1.

Fig. 4 is a flowchart showing an example of the operation of the remote monitoring apparatus according to embodiment 1.

Fig. 5 is a flowchart showing an example of the operation of the data acquisition apparatus according to embodiment 1.

Fig. 6 is a diagram showing a hardware configuration of a main part of the data acquisition system according to embodiment 1.

Fig. 7 is a diagram showing an example of data in the data acquisition system according to embodiment 2.

Fig. 8 is a diagram showing an example of data in the data acquisition system according to embodiment 3.

Fig. 9 is a flowchart showing an example of the operation of the remote monitoring apparatus according to embodiment 3.

Fig. 10 is a diagram showing an example of data in the data acquisition system according to embodiment 4.

Fig. 11 is a diagram showing an example of data in the data acquisition system according to embodiment 5.

Detailed Description

A mode for carrying out the present invention will be described with reference to the accompanying drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals, and overlapping description is simplified or omitted as appropriate.

Embodiment 1.

The data acquisition system 1 is applied to each of the plurality of elevators 2.

The plurality of elevators 2 are provided in each of the plurality of buildings 3.

Each of the buildings 3 has a plurality of floors. In each of the plurality of buildings 3, the hoistway 4 penetrates each of the plurality of floors. Each of the plurality of buildings 3 has a plurality of landings 5. The plurality of landings 5 are provided on each of a plurality of floors. Each of the landings 5 faces the hoistway 4. Each of the plurality of landings 5 includes a landing door 6.

Each of the plurality of elevators 2 includes a car 7, a counterweight 8, a hoisting machine 9, a main rope 10, and a control panel 11.

The car 7 is provided to be able to ascend and descend inside the hoistway 4. The car 7 includes a car door 12. The car door 12 is configured to be able to open and close the landing door 6 in conjunction with the car door 12 when the car 7 stops at any of a plurality of floors.

The counterweight 8 is provided to be able to ascend and descend inside the hoistway 4.

The hoisting machine 9 is provided in an upper portion inside the hoistway 4.

The main ropes 10 are wound around the traction machine 9. Both ends of the main rope 10 are held by the car 7 and the counterweight 8, respectively.

The control panel 11 is provided at an upper portion inside the hoistway 4. The control panel 11 is connected to the car 7 so as to be able to control the operation of the car 7. The operation of the car 7 includes opening and closing of the car door 12. The control panel 11 is connected to the hoisting machine 9 so as to control the operation of the hoisting machine 9. The operation of the hoisting machine 9 includes starting and stopping. The control panel 11 is configured to be able to receive status data from the car 7 and the hoisting machine 9. The state data is data indicating the operation state of the elevator 2.

The data acquisition system 1 includes a plurality of remote monitoring apparatuses 13 and a data acquisition apparatus 14.

Each of the plurality of remote monitoring apparatuses 13 is an example of a storage apparatus. The plurality of remote monitoring devices 13 correspond to the respective elevators of the plurality of elevators 2. Each of the plurality of remote monitoring apparatuses 13 is installed in, for example, a management room of the building 3 in which the corresponding elevator 2 is installed. Each of the plurality of remote monitoring apparatuses 13 includes a 1 st storage unit 131, a generation unit 132, a 2 nd storage unit 133, and a transmission unit 134.

The 1 st storage unit 131 is connected to the control panel 11 so as to be able to receive status data. The 1 st storage unit 131 is configured to be able to store the operation data while updating it based on the received state data. The operation data is data indicating the operation state of the elevator 2. Here, the operation state includes, for example, an operation history, and information on abnormality or abnormality. Anomaly is the change before it becomes abnormal.

The generation unit 132 is connected to the 1 st storage unit 131 so as to be able to acquire operation data. The generation unit 132 is configured to be able to generate reproduction data from the operation data at the switching timing of the report period. The report period is a period for reporting the operation history of the elevator 2 and an object such as an abnormality or abnormality to a manager or the like of the elevator 2. The switching time is the start time or the end time of the reporting period. The report period is stored in the generation unit 132. The reproduction data is data for reproducing operation data at the switching time of the report period. The generation unit 132 is connected to the 2 nd storage unit 133 so that the reproduction data can be updated.

The 2 nd storage unit 133 is configured to be capable of storing data for reproduction.

The transmission unit 134 is connected to the 2 nd storage unit 133 so as to be able to acquire data for reproduction. The transmission unit 134 is connected to the data acquisition device 14 through the communication line 15 so as to be able to transmit the data for reproduction. The communication line 15 is, for example, a telephone line.

The data acquisition device 14 includes a data acquisition unit 141, an operation data storage unit 142, and a report data generation unit 143.

The data acquisition unit 141 is connected to each of the plurality of remote monitoring apparatuses 13 via the communication line 15 so as to be able to receive the data for reproduction from the data acquisition table. The data acquisition table is a table in which the report period and the data acquisition time are associated with each of the plurality of elevators 2. The data acquisition time is a time at which each of the remote monitoring apparatuses 13 corresponding to the plurality of elevators 2 performs data communication with the data acquisition unit 141. The data acquisition time is set to different times for each of the plurality of elevators 2. The data acquisition unit 141 is configured to be able to reproduce the operation data at the switching time of the report period based on the acquired data. The data acquisition unit 141 is connected to the operation data storage unit 142 so that the reproduced operation data can be transmitted.

The operation data storage unit 142 is configured to be able to store operation data.

The report data generation unit 143 is connected to the operation data storage unit 142 so as to be able to acquire the operation data. The report data generator 143 is configured to be able to generate report data from the acquired operation data. The report data includes the operation history of the elevator 2 during the report period, and abnormality, and the like.

During operation of the elevator 2, the control panel 11 activates the hoisting machine 9. The main ropes 10 are driven by the hoisting machine 9 to move. The car 7 and the counterweight 8 move up and down along a guide rail, not shown, following the movement of the main rope 10. The car 7 stops at a floor where the landing 5 is provided. The landing door 6 is opened in conjunction with the car door 12. The user of the elevator 2 gets on the car 7 from the landing 5 or gets off the car 7 from the landing 5.

The control panel 11 stores the operation data while updating. At the switching time of the report period, the control panel 11 generates reproduction data. The data acquisition device 14 acquires the reproduction data from each of the plurality of elevators 2 at different times from each other based on the data acquisition table. The data acquisition device 14 reproduces the operation data from the reproduction data. The data acquisition device 14 generates report data based on the reproduced operation data.

Next, an example of the data acquisition table will be described with reference to fig. 2.

The data acquisition table is stored in the data acquisition unit 141.

The data acquisition table associates, for example, a report period, report data generation time, and data acquisition time with each of the plurality of elevators 2. The report data generation time is a time at which the data acquisition device 14 generates report data from the reproduced operation data. The end time of the report period is the start time of the next report period. Here, 24 hours 00 minutes of a certain day is the same time as 0 hours 00 minutes of the next day. The report period corresponding to each of the plurality of elevators 2 in the data acquisition table is the same as the generation unit 132 of the remote monitoring device 13 corresponding to each elevator 2.

In this example, the reporting period of the elevator E1 is from 0 hours 00 on 1 day per month to 24 hours 00 on the last day. The end time of the reporting period of elevator E1 is 24 hours 00 of the last day of each month. The report data generation time of elevator E1 is 12 hours 00 of next 15 days. The data acquisition time of elevator E1 is 0 hour 30 minutes of 5 days of the next month.

The reporting period of elevator E2 is from 0 hours 00 on 1 day per month to 24 hours 00 on the last day. The report data generation time of elevator E2 is 12 hours 00 of the next 20 days. The data acquisition time of elevator E2 was 3 hours 00 of next 10 days.

The reporting period of elevator E3 is from 0 hours 00 on 1 day per month to 24 hours 00 on the last day. The report data generation time of elevator E3 is 12 hours 00 of the next 20 days. The data acquisition time of elevator E3 was 4 hours and 45 minutes on the next 15 days.

The reporting periods of elevator E1, elevator E2 and elevator E3 are the same as each other. The data acquisition times of elevator E1, elevator E2, and elevator E3 are different from each other.

Next, the function of the data acquisition system 1 will be described with reference to fig. 3.

In fig. 3, a case where report data for 3 months is generated for elevator E2 in fig. 2 will be described as an example.

The operation data D1 includes history data Da and measurement data Db. The history data Da is data to which an element associated with time is added by updating. The element of the history data Da is, for example, a code indicating a time associated with the time at which an abnormality or abnormal situation occurs. In fig. 3, only the date and time among the time associated with the element is displayed. The measurement data Db is data in which the value of the element changes by updating. The elements of the measurement data Db are, for example, the number of times of starting the hoisting machine 9, the cumulative travel time of the car 7, and the number of times of opening and closing the car door 12. In fig. 3, the number of times of activation is shown as an example of a part of the elements of the measurement data Db.

When receiving the state data indicating an abnormal or abnormal state, the 1 st storage unit 131 adds a code indicating the state as an element of the history data Da in association with the time when the state occurs. The 1 st storage unit 131 continuously stores elements to be added within a range of storage capacity. When the storage capacity is insufficient, the 1 st storage unit 131 deletes the old element from the associated time. The 1 st storage unit 131 has a sufficient storage capacity so as not to delete elements for a period of at least two months or more, for example. That is, the 1 st storage unit 131 stores history data Da including information before 3 months.

When receiving the status data indicating the start of the hoisting machine 9, the 1 st storage unit 131 adds 1 to the value of the element of the measurement data Db indicating the number of times of starting the hoisting machine 9. The 1 st storage unit 131 stores, for example, the number of times of activation counted over a period of at least two months or more as one value of the elements of the measurement data Db. That is, the 1 st storage unit 131 stores measurement data Db including information before 3 months.

The generation unit 132 of the remote monitoring apparatus 13 acquires the operation data D1 from the 1 st storage unit 131 at 3 months, 1 st, 0 th, and 00 hours. 3 month, 1 day, 0 hour and 00 minute are the end time of the report period of 2 months and the start time of the report period of 3 months. The generation unit 132 generates reproduction data D2 by copying the acquired operation data D1. The reproduction data D2 generated by the generator 132 is the same as the operation data D1 of 3 months, 1 days, and 0 hours. That is, the reproduction data D2 includes the history data Da and the measurement data Db. The generation unit 132 sends the reproduction data D2 to the 2 nd storage unit 133.

The 2 nd storage unit 133 stores reproduction data D2. The 2 nd storage unit 133 updates the stored reproduction data D2 by overwriting the reproduction data D2 received from the generation unit 132. In the report period of 3 months, the 2 nd storage unit 133 stores the same reproduction data D2 as the operation data D1 of 3 months, 1 day, 0 hours and 00 minutes.

The data acquisition unit 141 of the data acquisition device 14 transmits a data request signal to the remote monitoring device 13 corresponding to the elevator E2 at 3 hours 3 months, 10 days, and 00 minutes. 3/month, 10/day, and 3/hour 00 are data acquisition times associated with the elevator E2 based on the data acquisition table.

Upon receiving the data request signal, the transmission unit 134 of the remote monitoring apparatus 13 acquires the reproduction data D2 from the 2 nd storage unit 133. The transmission unit 134 transmits the reproduction data D2 to the data acquisition unit 141.

The data acquisition unit 141 reproduces the operation data D1 of 3 months, 1 days, 0 hours, and 00 minutes by copying the acquired reproduction data D2. The data acquisition unit 141 sends the reproduced operation data D1 to the operation data storage unit 142.

The operation data storage unit 142 stores the received operation data D1 at the end time of the 2-month report period.

Similarly in month 4, the data acquisition device 14 reproduces the operation data D1 of 4 months, 1 th, 0 th, 00 th from the reproduction data D2 acquired in

month

4, 10 th, 3 th, 00 th. The 4-month, 1-day, 0-hour and 00-minute are the end time of the report period of 3 months and the start time of the report period of 4 months. The 4 th month, 10 th day, 3 rd hour and 00 th day are data acquisition times associated with the elevator E2 based on the data acquisition table.

At the report data generation time of the elevator E2, the report data generator 143 acquires the operation data D1 at the end time of the 2-month report period and the operation data D1 at the end time of the 3-month report period from the operation data storage 142. The report data generator 143 generates report data D3 from the acquired operation data D1.

The report data generating unit 143 extracts elements included in the history data Da not included in the history data Da at the end time of the report period of 2 months but included in the history data Da at the end time of the report period of 3 months. In this example, the report data generating unit 143 extracts an element indicating the event B occurring on day 3/month and 2 and an element indicating the event C occurring on day 3/month and 12. The report data generation unit 143 uses the extracted elements as the history data Da of the report data D3.

The report data generator 143 calculates the difference between the element value of the measured data Db at the end time of the report period of 2 months and the element value of the measured data Db at the end time of the report period of 3 months. In this example, the report data generation unit 143 calculates the difference between the number of activation times 30000 for 3 months, 1 days, 0 hours and 00 minutes and the number of activation times 31000 for 4 months, 1 days, 0 hours and 00 minutes as 1000 times. The report data generator 143 uses the calculated value as an element value of the measurement data Db of the report data D3.

Next, the operation of the remote monitoring apparatus 13 will be described with reference to fig. 4.

In step S101, the 1 st storage unit 131 updates the stored operation data based on the received state data. Then, the operation of the remote monitoring apparatus 13 proceeds to step S102.

In step S102, the generation unit 132 determines whether or not the current time is the switching time of the report period. If the determination result is yes, the operation of the remote monitoring apparatus 13 proceeds to step S103. If the determination result is "no", the operation of the remote monitoring apparatus 13 proceeds to step S104.

In step S103, the generation unit 132 generates data for reproduction. Then, the 2 nd storage unit 133 updates the stored reproduction data based on the reproduction data received from the generation unit 132. Then, the operation of the remote monitoring apparatus 13 proceeds to step S104.

In step S104, the transmission unit 134 determines whether or not the data request signal is received. If the determination result is "no", the operation of the remote monitoring apparatus 13 proceeds to step S101. If the determination result is yes, the operation of the remote monitoring apparatus 13 proceeds to step S105.

In step S105, the transmission unit 134 transmits the reproduction data to the data acquisition device 14. Then, the operation of the remote monitoring apparatus 13 proceeds to step S101.

Next, the operation of the data acquisition device 14 will be described with reference to fig. 5.

In step S201, the data acquisition unit 141 selects one elevator 2 from the unselected list. The unselected list is a list of elevators 2 that have not been selected. Then, the data obtaining unit 141 removes the selected elevator 2 from the unselected list. Then, the operation of the data acquisition device 14 proceeds to step S202.

In step S202, the data acquisition unit 141 determines whether or not the current time is the data acquisition time of the selected elevator 2, based on the data acquisition table. If the determination result is yes, the operation of the data acquisition device 14 proceeds to step S203. If the determination result is "no", the operation of the data acquisition device 14 proceeds to step S205.

In step S203, the data acquisition unit 141 transmits a data request signal to the remote monitoring device 13 corresponding to the selected elevator 2. Then, the data acquisition unit 141 waits until the reproduction data is received from the remote monitoring apparatus 13. Then, the operation of the data acquisition device 14 proceeds to step S204.

In step S204, the data acquisition unit 141 reproduces the operation data at the switching time of the report period of the selected elevator 2 based on the received reproduction data. Then, the operation data storage unit 142 stores the operation data reproduced by the data acquisition unit 141. Then, the operation of the data acquisition device 14 proceeds to step S205.

In step S205, the report data generation unit 143 determines whether or not the current time is the report data generation time of the selected elevator 2, based on the data acquisition table. If the determination result is yes, the operation of the data acquisition device 14 proceeds to step S206. If the determination result is "no", the operation of the data acquisition device 14 proceeds to step S207.

In step S206, the report data generator 143 generates report data. Then, the operation of the data acquisition device 14 proceeds to step S207.

In step S207, the data acquisition unit 141 determines whether or not all the elevators 2 have been selected, for example, based on whether or not the unselected list is empty. If the determination result is "no", the operation of the data acquisition device 14 proceeds to step S201. If the determination result is yes, the operation of the data acquisition device 14 proceeds to step S208.

In step S208, the report data generation unit 143 resets the unselected list by, for example, returning all the elevators 2 to the unselected list based on the data acquisition table. Then, the operation of the data acquisition device 14 proceeds to step S201.

As described above, the data acquisition system 1 according to embodiment 1 includes the plurality of remote monitoring apparatuses 13 and the data acquisition apparatus 14. The plurality of remote monitoring devices 13 store the operation data of the corresponding elevator 2 while updating each of them. The plurality of remote monitoring apparatuses 13 store data for reproduction, respectively. The reproduction data is data for reproducing the operation data at the switching time of the report period after the switching time. The data acquisition device 14 acquires the reproduction data from each of the plurality of remote monitoring devices 13 at different times after the switching time.

The generation of the reproduction data is performed by the plurality of remote monitoring apparatuses 13 at the same timing without communication with the data acquisition apparatus 14. On the other hand, the communication of the reproduction data is performed at different timings for each of the plurality of remote monitoring apparatuses 13. Thus, the data acquisition device 14 can distribute the communication for obtaining the operation data of the same report period to different times for each of the plurality of remote monitoring devices 13. The data acquisition system 1 does not need to perform communication at the same time in order to obtain the operation data at the same time. Therefore, the data acquisition system 1 can obtain the operation data at the same time without adding a communication device for performing communication at the same time.

The reproduction data is generated without accompanying communication with the data acquisition device 14. Thus, the data acquisition device 14 can obtain the operation data at the designated time regardless of the communication state.

The plurality of remote monitoring apparatuses 13 store the operation data at the switching time as the reproduction data.

The 2 nd storage unit 133 stores the same reproduction data as the operation data at the switching time. Thus, the data acquisition unit 141 can easily reproduce the operation data by, for example, copying.

The control panel 11 may function as a storage device in place of the remote monitoring device 13 or in cooperation with the remote monitoring device 13. The storage device may be provided separately from the control panel 11 and the remote monitoring device 13.

Some or all of the plurality of elevators 2 may be provided in the same building 3.

The report period, the data acquisition time, and the report data generation time stored in the remote monitoring apparatus 13 and the data acquisition apparatus 14 may be changed by a signal from a remote location or by a direct operation by a maintenance person.

The reporting period of one of the elevators 2 may be different from the reporting period of another one of the elevators 2. The reporting period may be a period longer than 1 month or a period shorter than 1 month.

The report data may be generated by an operation of a maintenance person or the like. The report data generation time may be the same for some or all of the plurality of elevators 2.

Next, an example of the hardware configuration of the data acquisition system 1 will be described with reference to fig. 6.

The functions of the data acquisition system 1 may be implemented by a processing circuit. The processing circuit is provided with at least one processor 1b and at least one memory 1 c. The processing circuit may include the processor 1b and the memory 1c, or may include at least one dedicated hardware 1a instead of these.

When the processing circuit includes the processor 1b and the memory 1c, each function of the data acquisition system 1 is realized by software, firmware, or a combination of software and firmware. At least one of the software and the firmware is described as a program. The program is stored in the memory 1 c. The processor 1b reads and executes the program stored in the memory 1c to realize each function of the data acquisition system 1.

The processor 1b is also called a CPU (Central Processing Unit), a Processing device, an arithmetic device, a microprocessor, a microcomputer, or a DSP. The memory 1c is constituted by, for example, a nonvolatile or volatile semiconductor memory such as a RAM, a ROM, a flash memory, an EPROM, or an EEPROM, a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, or a DVD.

In the case where the processing Circuit includes the dedicated hardware 1a, the processing Circuit is realized by, for example, a single Circuit, a composite Circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a combination thereof.

The respective functions of the data acquisition system 1 may be realized by the processing circuit. Alternatively, the functions of the data acquisition system 1 may be realized collectively by the processing circuit. The functions of the data acquisition system 1 may be partially implemented by dedicated hardware 1a and partially implemented by software or firmware. In this way, the processing circuit realizes each function of the data acquisition system 1 by hardware 1a, software, firmware, or a combination thereof.

Embodiment 2.

In embodiment 2, differences from the example disclosed in embodiment 1 will be described in detail. As for the features not described in embodiment 2, any of the features of the example disclosed in embodiment 1 can be adopted.

In fig. 7, a case where report data for 3 months is generated for elevator E2 in fig. 2 will be described as an example.

The transmission unit 134 of the remote monitoring apparatus 13 is connected to the 1 st storage unit 131 so as to be able to acquire operation data. The transmission unit 134 is connected to the 2 nd storage unit 133 so as to be able to acquire data for reproduction. The transmission unit 134 is connected to the data acquisition device 14 through the communication line 15 so as to be able to transmit the operation data and the reproduction data.

The data acquisition unit 141 of the data acquisition device 14 is connected to each of the plurality of remote monitoring devices 13 via the communication line 15 so as to be able to receive the operation data and the reproduction data from the data acquisition table.

The generation unit 132 of the remote monitoring device 13 acquires the measurement data Db of the operation data D1 from the 1 st storage unit 131 at 0.0.3.1.3 months. 3 month, 1 day, 0 hour and 00 minute are the end time of the report period of 2 months and the start time of the report period of 3 months. The generation unit 132 copies the acquired measurement data Db to generate reproduction data D2. The reproduction data D2 generated by the generator 132 is the same as the measurement data Db of the operation data D1 of 3 months, 1 day, 0 hour and 00 minutes. The generation unit 132 sends the reproduction data D2 to the 2 nd storage unit 133.

The 2 nd storage unit 133 stores reproduction data D2. The 2 nd storage unit 133 updates the stored reproduction data D2 by overwriting the reproduction data D2 received from the generation unit 132. In the report period of 3 months, the 2 nd storage unit 133 stores the same reproduction data D2 as the measured data Db of the operation data D1 divided by 0 hour and 00 hour on 1/3 month.

The data acquisition unit 141 of the data acquisition device 14 transmits a data request signal to the remote monitoring device 13 corresponding to the elevator E2 at 3 hours 3 months, 10 days, and 00 minutes. 3/month, 10/day, and 3/hour 00 are data acquisition times corresponding to the elevator E2 based on the data acquisition table.

Upon receiving the data request signal, the transmission unit 134 of the remote monitoring apparatus 13 acquires the reproduction data D2 from the 2 nd storage unit 133. The transmission unit 134 transmits the operation data D1 and the reproduction data D2 to the data acquisition unit 141.

The data acquisition unit 141 extracts elements related to the time points before 3 months, 1 day, 0 hour and 00 minutes from the history data Da of the acquired operation data D1. The data acquisition unit 141 generates history data Da from the extracted elements. The data acquisition unit 141 copies the acquired reproduction data D2 to generate measurement data Db. The data obtaining unit 141 reproduces the operation data D1 divided by 0 hour and 3 months, 1 day, from the generated history data Da and the measurement data Db. The data acquisition unit 141 sends the reproduced operation data D1 to the operation data storage unit 142.

As described above, each of the plurality of remote monitoring apparatuses 13 according to embodiment 2 stores the measured data and the history data as the operation data. The value of the element of the measured data changes with the update. The history data is updated by adding an element associated with the time. The plurality of remote monitoring apparatuses 13 store the measurement data of the switching time of the report period as the reproduction data.

The 2 nd storage unit 133 stores the same measurement data as the operation data at the switching time. Thus, the data acquisition unit 141 can easily reproduce the measurement data of the operation data by, for example, copying. Elements of the historical data are associated with time of day. Therefore, the data acquisition unit 141 can reproduce the operation data at the switching time from the operation data at the current time. Therefore, the data for reproduction can be constituted only by data for reproducing the measurement data. This reduces the storage capacity required for the 2 nd storage unit 133.

Embodiment 3.

In embodiment 3, differences from the examples disclosed in embodiment 1 or embodiment 2 will be described in detail. Any feature of the examples disclosed in embodiment 1 or embodiment 2 may be employed as a feature not described in embodiment 3.

The function of the data acquisition system 1 will be described with reference to fig. 8.

In fig. 8, a case where report data for 3 months is generated for elevator E2 in fig. 2 will be described as an example.

The generation unit 132 of the remote monitoring apparatus 13 is connected to the control panel 11 so as to be able to receive status data. The generation unit 132 is connected to the 2 nd storage unit 133 so that the reproduction data can be updated based on the received status data.

The generation unit 132 resets the reproduction data at 0/3/1. The generation unit 132 resets the history data of the reproduction data by clearing the elements. The generation unit 132 resets the measurement data of the reproduction data by setting the value of the element to, for example, 0. 3 month, 1 day, 0 hour and 00 minute are the end time of the report period of 2 months and the start time of the report period of 3 months.

When the state data indicating an abnormal or abnormal state is received, the generation unit 132 adds a code indicating the state as an element of the history data Da of the reproduction data D2 in association with the time when the state occurs. When receiving the state data indicating the start of the hoisting machine 9, the generation unit 132 adds 1 to the value of the element of the measurement data Db of the reproduction data D2 indicating the number of times of starting the hoisting machine 9. The generation unit 132 generates reproduction data D2 from the history data Da and the measurement data Db. The generation unit 132 sends the reproduction data D2 to the 2 nd storage unit 133.

The 2 nd storage unit 133 stores reproduction data D2. The 2 nd storage unit 133 updates the stored reproduction data D2 by overwriting the reproduction data D2 received from the generation unit 132. In the 3-month report period, the 2 nd storage unit 133 stores the reproduction data D2 while updating, with the 3 rd month 1 th 0 th hour 00 being a base point, in accordance with the same change as the operation data D1. That is, the reproduction data D2 represents the difference between the operation data for 3 months, 1 day, 0 hour and 00 minutes and the operation data at the current time.

The data obtaining unit 141 subtracts the difference indicated by the reproduction data D2 from the operation data D1 to reproduce the operation data D1 divided by 0 hour and 1 month and 3 days. The data obtaining unit 141 extracts elements included in the history data Da of the operation data D1 and not included in the history data Da of the reproduction data D2, thereby reducing the history data Da. In this example, the data acquisition unit 141 extracts an element indicating the event a occurring on day 2, month 25 and an element indicating the event occurring at a time before that. The data obtaining unit 141 subtracts the value of the element of the measured data Db of the reproduction data D2 from the value of the element of the measured data Db of the operation data D1, thereby subtracting the measured data Db. In this example, the data obtaining unit 141 subtracts the number of activation times in the reproduction data D2 from the number of activation times 30300 in the operation data D1 by 300 times, and subtracts the measured data Db from the number of activation times 30000 by 300 times. The data acquisition unit 141 sends the reproduced operation data D1 to the operation data storage unit 142.

At the data acquisition time in this example, the history data Da of the operation data D1 has an element indicating the event B occurring on day 3, month 2. The history data Da of the reproduction data D2 includes an element indicating the event B occurring on day 3, month 2 and an element indicating the event occurring at a time before that. In this way, the number of elements of the history data Da of the reproduction data D2 is smaller than the number of elements of the history data Da of the operation data D1. That is, the reproduction data D2 as difference data has fewer elements required to secure a storage capacity than the operation data D1.

At the data acquisition time in this example, the value of the element indicating the number of times of activation of the measurement data Db of the operation data D1 is 30300 times. 30300 is an amount of information of 15 bits or more as an unsigned integer. The value of the element indicating the number of times of starting the measurement data Db of the reproduction data D2 is 300 times. 300 is an information amount of 9 bits or more as an unsigned integer. In this way, the number of bits required to represent the measured data Db of the reproduction data D2 is smaller than the number of bits required to represent the measured data Db of the operation data D1. That is, the number of bits required to secure the storage capacity of the reproduction data D2 as the difference data is smaller than that of the operation data D1.

Next, the operation of the remote monitoring apparatus 13 will be described with reference to fig. 9.

In step S301, the 1 st storage unit 131 updates the stored operation data based on the received state data. Then, the generation unit 132 generates data for reproduction from the received state data. Then, the 2 nd storage unit 133 updates the stored reproduction data based on the reproduction data received from the generation unit 132. Then, the operation of the remote monitoring apparatus 13 proceeds to step S302.

In step S302, the generation unit 132 determines whether or not the current time is the switching time of the report period. If the determination result is yes, the operation of the remote monitoring apparatus 13 proceeds to step S303. If the determination result is "no", the operation of the remote monitoring apparatus 13 proceeds to step S304.

In step S303, the generation unit 132 resets the reproduction data. Then, the operation of the remote monitoring apparatus 13 proceeds to step S304.

In step S304, the transmission unit 134 determines whether or not the data request signal is received. If the determination result is "no", the operation of the remote monitoring apparatus 13 proceeds to step S301. If the determination result is yes, the operation of the remote monitoring apparatus 13 proceeds to step S305.

In step S305, the transmission unit 134 transmits the operation data and the reproduction data to the data acquisition device 14. Then, the operation of the remote monitoring apparatus 13 proceeds to step S301.

As described above, the plurality of remote monitoring apparatuses 13 according to embodiment 3 each store the difference between the operation data at the switching time of the report period and the operation data at the current time as the reproduction data while updating it.

The 2 nd storage unit 133 stores data indicating the difference as data for reproduction. This reduces the storage capacity required for the 2 nd storage unit 133.

Embodiment 4.

In embodiment 4, differences from the examples disclosed in embodiments 1 to 3 will be described in detail. As for the features not described in embodiment 4, any of the features of the examples disclosed in embodiments 1 to 4 may be adopted.

The function of the data acquisition system 1 will be described with reference to fig. 10.

In fig. 10, a case where report data for 3 months is generated for elevator E2 in fig. 2 will be described as an example.

The generation unit 132 of the remote monitoring apparatus 13 resets the history data of the reproduction data D2 at 0 time 00 on 3 months, 1 days. The generation unit 132 acquires the measurement data Db of the operation data D1 from the 1 st storage unit 131. 3 month, 1 day, 0 hour and 00 minute are the end time of the report period of 2 months and the start time of the report period of 3 months.

When the state data indicating an abnormal or abnormal state is received, the generation unit 132 adds a code indicating the state as an element of the history data Da of the reproduction data D2 in association with the time when the state occurs. The generation unit 132 copies the acquired measurement data Db to generate measurement data Db of the reproduction data D2. The generation unit 132 generates reproduction data D2 from the history data Da and the measurement data Db. The generation unit 132 sends the reproduction data D2 to the 2 nd storage unit 133.

The 2 nd storage unit 133 stores reproduction data D2. The 2 nd storage unit 133 updates the stored reproduction data D2 by overwriting the reproduction data D2 received from the generation unit 132. In the report period of 3 months, the 2 nd storage unit 133 stores the same measured data Db as the operation data D1 divided by 0 hour and 0 hour for 3 months and 1 day as part of the reproduction data D2. In the reporting period of 3 months, the 2 nd storage unit 133 stores the history data Da of the reproduction data D2 while updating the history data Da in accordance with the same change as the history data Da of the operation data D1, with 3 months, 1 th day, 0 hour 00 being a base point. That is, the history data Da of the reproduction data D2 represents the difference between the history data of the operation data of 3 months, 1 days, 0 hours and 00 minutes and the history data of the operation data at the current time.

Upon receiving the data request signal, the transmission unit 134 of the remote monitoring apparatus 13 acquires the operation data D1 from the 1 st storage unit 131. The transmission unit 134 acquires the reproduction data D2 from the 2 nd storage unit 133. The transmission unit 134 transmits the operation data D1 and the reproduction data D2 to the data acquisition unit 141.

The data obtaining unit 141 reproduces the operation data D1 of 3 months, 1 day, 0 hour and 00 minutes from the operation data D1 and the reproduction data D2. The data acquisition unit 141 sends the reproduced operation data D1 to the operation data storage unit 142.

As described above, the plurality of remote monitoring apparatuses 13 according to embodiment 4 store the measured data and the history data as the operation data. The value of the element of the measurement data changes by updating. The history data is updated to add elements. The plurality of remote monitoring apparatuses 13 store the measurement data of the switching time of the report period as a part of the data for reproduction. The plurality of remote monitoring apparatuses 13 store the difference between the history data at the switching time and the history data at the current time as another part of the data for reproduction while updating.

The 2 nd storage unit 133 stores data indicating a difference between history data as a part of the data for reproduction. This reduces the storage capacity required for the 2 nd storage unit 133. The 2 nd storage unit 133 stores the same measurement data as the operation data at the switching time. Thus, the data acquisition unit 141 can easily reproduce the measurement data of the operation data by, for example, copying.

Embodiment 5.

In embodiment 5, differences from the examples disclosed in embodiments 1 to 4 will be described in detail. As for the features not described in embodiment 5, any of the features of the examples disclosed in embodiments 1 to 5 can be adopted.

The function of the data acquisition system 1 will be described with reference to fig. 11.

In fig. 11, a case where report data for 3 months is generated for elevator E2 in fig. 2 will be described as an example.

The generation unit 132 of the remote monitoring apparatus 13 resets the reproduction data D2 at 0/3/1/3. 3 month, 1 day, 0 hour and 00 minute are the end time of the report period of 2 months and the start time of the report period of 3 months.

Upon receiving the state data indicating the start of the hoisting machine 9, the generation unit 132 adds 1 to the value of the element of the reproduction data D2 indicating the number of times the hoisting machine 9 was started, thereby generating reproduction data. The generation unit 132 sends the reproduction data D2 to the 2 nd storage unit 133.

The 2 nd storage unit 133 stores reproduction data D2. The 2 nd storage unit 133 updates the stored reproduction data D2 by overwriting the reproduction data D2 received from the generation unit 132. In the 3-month report period, the 2 nd storage unit 133 stores the reproduction data D2 while updating, with the 3 rd month 1 th 0 th hour 00 being a base point, based on the same change as the measured data Db of the operation data D1. That is, the reproduction data D2 represents the difference between the measurement data of the operation data of 3 months, 1 day, 0 hour and 00 minutes and the measurement data of the operation data at the current time.

As described above, the plurality of remote monitoring apparatuses 13 according to embodiment 5 store the measured data and the history data as the operation data. The value of the element of the measurement data changes by updating. The history data is updated to add an element associated with the time. The plurality of remote monitoring apparatuses 13 store the difference between the measurement data at the switching time of the report period and the measurement data at the current time as data for reproduction while updating.

The 2 nd storage unit 133 stores data indicating the difference between the measured data as data for reproduction. This reduces the storage capacity required for the 2 nd storage unit 133. Elements of the historical data are associated with time of day. Therefore, the data acquisition unit 141 can reproduce the operation data at the switching time from the operation data at the current time. Therefore, the data for reproduction can be constituted only by data for reproducing the measurement data. This reduces the storage capacity required for the 2 nd storage unit 133.

Industrial applicability

The data acquisition system of the present invention can be applied to a plurality of elevators that communicate operation data.

Description of the reference symbols

1: a data acquisition system; 1 a: hardware; 1 b: a processor; 1 c: a memory; 2: an elevator; 3: a building; 4: a hoistway; 5: a landing; 6: a landing door; 7: a car; 8: a counterweight; 9: a traction machine; 10: a main rope; 11: a control panel; 12: a car door; 13: a remote monitoring device; 14: a data acquisition device; 15: a communication line; 131: a 1 st storage unit; 132: a generation unit; 133: a 2 nd storage unit; 134: a transmission unit; 141: a data acquisition unit; 142: an operation data storage unit; 143: a report data generation unit.

Claims

1. An elevator data acquisition system, comprising:

a plurality of storage devices which store operation data of the elevator while updating, and store reproduction data for reproducing the operation data at a switching time of a report period after the switching time; and

and a data acquisition device that acquires the reproduction data from each of the plurality of storage devices at different times after the switching time.

2. The data acquisition system for an elevator according to claim 1, wherein,

the plurality of storage devices store the operation data at the switching time as the reproduction data.

3. The data acquisition system for an elevator according to claim 1, wherein,

the plurality of storage devices store, as the operation data, measurement data in which the value of the element changes by updating and history data in which the element associated with the time is added by updating, and store, as the reproduction data, measurement data at the switching time.

4. The data acquisition system for an elevator according to claim 1, wherein,

the plurality of storage devices store the difference between the operation data at the switching time and the operation data at the current time as reproduction data while updating.

5. The data acquisition system for an elevator according to claim 1, wherein,

the plurality of storage devices store, as operation data, measurement data in which a value of an element changes by updating and history data in which an element is added by updating, store measurement data at the switching time as a part of the data for reproduction, and store a difference between the history data at the switching time and the history data at the current time as another part of the data for reproduction while updating.

6. The data acquisition system for an elevator according to claim 1, wherein,

the plurality of storage devices store, as operation data, measurement data in which the value of an element changes by updating and history data in which an element associated with a time is added by updating, and store, as reproduction data, a difference between the measurement data at the switching time and the measurement data at the current time while updating.