JPS5856711B2 - Elevator data access - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a device for collecting data for grasping the operational status of elevators, and provides a device that automatically collects data using a computer. be.

Traditionally, data collection on the operating status of elevators installed in buildings has been conducted based on the measurement location (
Allocate personnel to each floor (floor, elevator car, etc.),
A band counter, a clock, etc. can be used to record the number of people getting on and off at a given time, the waiting time of passengers on each floor, etc. Alternatively, when measuring the movement of the elevator itself, a recorder such as a pen recorder can be used to record the elevator control device. The CN-0FF state of the internal relay was recorded and the movement of the elevator was read from the recorded waveform.

This data was then organized to obtain final data such as elevator operation diagrams and waiting time distributions, which were used to determine the operating status of elevators.

These data serve as materials for determining the quality of elevator control and whether the elevator is operating as initially intended.

FIG. 1 is a diagram showing, in chronological order, an example of signal generation timing of an elevator control device related to the movement of an elevator (operation diagram), and is shown for one elevator.

In the conventional investigation by personnel, an UP call for the first floor occurred at time t1 in Fig. 1, Niereheta arrived at time t2, two people boarded, and departed in the UP direction at time t4.

It is recorded that an UP call for the second floor occurs at time t3, the elevator arrives at the second floor at time t, two people get off, five people get on, and it departs in the UP direction at time t6.

When recording with a pen recorder, start up and down
Signals such as starting, floor call, and absolute elevator position are taken out from the corresponding signal relay contacts of the elevator control device and input into the pen recorder.

FIG. 2 is an example of a waveform recorded by a pen recorder.

Although only five signals are shown in the figure, it is necessary to record additional signals corresponding to the number of floors.

Therefore, it takes a lot of time to organize the data, whether it is conducted by a person or recorded using a pen recorder.

FIG. 3 is an example of a cumulative distribution map of passenger waiting times, which is one of the important data for determining the quality of elevator operation obtained from the above records.

As described above, in the conventional method, multiple pen recorders are required depending on the number of people or the number of recording signals depending on the size of the building.

Moreover, as buildings these days are becoming increasingly taller and larger, there are a large number of measurement locations, requiring a large number of personnel, and it takes an enormous amount of time to organize the data.

In addition, the error becomes large due to misreading or misreading.

Furthermore, recent high-end elevators have adopted a group management system in which multiple elevator cars are controlled (managed) by a single control device, so traditional traffic measurements, which were mainly based on human handwriting, have been unable to capture detailed movements of the elevator itself. There was insufficient data to determine whether the originally intended capabilities were being fully demonstrated, that is, whether the elevator control was being performed as designed.

As described above, conventional methods have many problems in terms of personnel, the time required to organize data, and the content of data obtained from actual measurements. ) is no longer applicable.

The present invention seeks to provide an automation device that overcomes the drawbacks of the prior art.

FIG. 4 is a block diagram of an embodiment of the present invention.

In FIG. 4, 1 indicates the entire elevator operation data collection device.

2 is a computer (CPU), which is generally a commercially available minicomputer, but may also be a dedicated controller.

3 is a storage device indispensable to the computer and stores programs and data.

4 is a magnetic tape device as a recording device for recording collected data; 5 is a DMA channel for directly transferring data between the magnetic tape device and the storage device 3;

6 is a timer device used as a real-time clock.

7 is a process input/output control device, and 8 is an elevator interface between the elevator control device 11 and the process input/output control device 7.

Signals from the elevator control device 11 are input to the computer 2 via the elevator interface 8 by the process input/output control device 7 .

Reference numeral 9 denotes a device provided in the elevator car for counting the number of people getting on and off the car and deriving boarding and alighting information as a signal, and a switch is shown as a specific example.

This switch is connected to the elevator interface 8 by a cable.

Reference numeral 10 is a power supply device for supplying power to the above-mentioned devices 1 to 8, and converts 200 V AC or 400 V AC, which is the power source of the building, and the commonly used 100 V AC voltage into the 100 V AC voltage required for each of the above devices.

Although this embodiment is controlled by a program stored in the storage device 3, data processing is performed in real time based on the time of the timer device 6.

That is, after the actual measurement starts, the timer device 6 interrupts the computer 2 at regular intervals, and every time there is an interrupt, all inputs from the elevator control device 11 and the device 9 for counting the number of people getting on and off the vehicle are read.

The read data is processed by a program and stored in the storage device 3 along with the time at which it was read.

Data transfer between the storage device 3 and the magnetic tape device 4 is performed in block units (data collected in an appropriate amount, and the amount transferred at one time is called one block).

Therefore, the input data is temporarily stored in the storage device 3, and is outputted to the magnetic tape device 4 each time the amount of data reaches one flock.

Actual measurements are carried out over a long period of time while repeating the above steps.

The time displayed is a relative time calculated from the time the actual measurement started.

This is calculated from the number of interrupts from the timer device 6 and the interrupt time interval.

As a method of data collection, we described above a method of collecting data at regular intervals, but another method is to monitor the state of the input signal at regular intervals, but when there is a change in the input signal. Only then is there a way to collect data.

In this method, since the interrupt from the timer device 6 at fixed time intervals is generally set to a shorter time than the interval at which the signal changes, the amount of tape used in the magnetic tape device 4 is reduced compared to the above method. becomes less.

All signals other than the counting signal of the number of passengers getting on and off (call for each floor, call in the car, absolute elevator position, elevator *start, stop, etc.) can be obtained from the elevator control device 11, and these signals are automatically processed. be done.

As a specific example of counting the number of people getting on and off, a researcher is placed in an elevator car, and the data on the number of people getting on and off is sent from the switch 9 for counting the number of people getting on and off, which is provided in the car, and the data from the signal from the elevator control device 11. Enter at the same time.

Therefore, if there are passengers getting on or off the elevator, the investigator can simply press the switch corresponding to the number of passengers getting on or off the elevator, without worrying about the elevator's startup, stop time, floor, etc. Compared to the counter and clock method, the amount of work is greatly reduced and errors are reduced.

In addition, in order to reduce the number of cables between the elevator car and the elevator machine room (this device is also installed in the machine room), or when applying to an existing elevator, do not use it when the elevator is operating automatically. A switch (for example, a maintenance switch, a switch used during driver-assisted operation, etc.) and an operation or maintenance cable connected to the switch may be used.

The method described above uses a switch to send a signal for counting the number of people, but even today it is possible to roughly measure the number of people getting on and off the car based on changes in the weight inside the car.

In other words, if we consider the process of the elevator stopping, one person getting off, nine people getting on, and then the elevator starting, the weight of the car becomes lightest when all the people have exited.

Therefore, it is possible to obtain as follows.

Although a magnetic tape device has been described as a data output device, other recording devices such as a magnetic disk, a magnetic drum, a cassette magnetic tape, a system typewriter, and a paper tape puncher are also possible, and their explanation will be omitted.

The data recorded on the magnetic tape 4 is processed off-line by the computer 2 or a large computer, so that materials such as the elevator operation diagram and waiting time distribution can be obtained accurately and quickly.

As described above, the present invention applies a computer to the actual measurement of elevator traffic and collects signals from the elevator control device and boarding/alighting information signals from the car, thereby achieving (1) reduction in the number of personnel compared to the conventional method;

(2) The movement of the elevator can be measured in detail.

(3) Actual measurement data can be processed as is on the minicomputer or large-scale computer of this device, and data organization can be performed accurately and quickly without human intervention.

It has the following effects.

[Brief explanation of drawings]

FIG. 1 is a diagram chronologically showing an example of signal generation timing of an elevator group management device in relation to elevator movement (operation diagram). Figure 2 is an example of molding in which the movement of an elevator is recorded on a pen recorder. Figure 3 is an example of a cumulative distribution chart of passenger waiting times, which is one of the important materials for determining the quality of elevator operation. FIG. 4 is a block diagram of the elevator operation data collection device of the present invention. In the figure, 1 is a data collection device, 2 is a computer, 3 is a storage device, 4 is a recording device, 5 is a DMA channel for transferring data between the recording device 4 and the storage device 3, and 7 is a process input/output 8 is a control device, 8 is an interface, and 9 is a device for counting the number of people getting on and off the vehicle.

Claims (1)

[Scope of Claims] 1. A boarding and alighting person counting device that detects the number of people getting on and off an elevator, a count signal from this boarding and alighting person counting device, a call for each floor, a call in the car, and an elevator absolute number from the elevator control device. An interface that receives signals indicating position, elevator start/stop, etc., an output IF of this interface, a computer that inputs corresponding input data and processes this data, and operates this computer according to a predetermined program. , a storage device that temporarily stores the processed data, a recording device that is provided to record the data and receives data transfer from the storage device every time the data stored in the storage device reaches a certain amount, and an input of the computer. An elevator operation data collection device comprising a process input/output control device that controls output and reads one or more input data at predetermined time intervals and stores the data in the storage device. 2. A passenger counting device that detects the number of people getting on and off the elevator, a counting signal from this counting device, a call for each floor from the elevator control device, a call in the car, absolute elevator position, and elevator start/stop. An interface that receives signals indicating such things, a computer that inputs input data according to the output of this interface and processes this data, operates this computer according to a predetermined program, and temporarily stores the processed data. a storage device that is provided to record the above data and receives data transfer from the storage device every time the data stored in the storage device reaches a certain amount; a storage device that controls the input/output of the computer and controls the input data An elevator operation data collection device equipped with a process input/output control device that causes the computer to read all inputs at that time only when there is a change in even one of the factors. 3. The elevator according to claim 1, wherein the counting signal from the passenger counting device is introduced into the computer via an operating or maintenance cable that is connected to the elevator car and is not used during automatic operation. Operational data collection equipment. 4. The elevator according to claim 2, wherein the counting signal from the passenger counting device is introduced into the computer via an operating or maintenance cable that is connected to the elevator car and is not used during automatic operation. Operational data collection equipment.