JPH05155549A - Method and device for controlling elevator - Google Patents

Abstract

PURPOSE:To enhance the accuracy of position detection and reduce the cost of an elevator control device without deteriorating rescue operation functions by providing means for correcting the content of each memory element for the lowest floor to a reference floor according to a value detected when a cage arrives at the reference floor and to a second reference value. CONSTITUTION:Microcomputers 1A, 1B input reference values CO, CR which correspond, respectively, to the lowest floor MF-2 and a reference floor MF, to respective counters 3A, 3B according to preset specification data. When a counted value (x) is judged to be at the level of the reference floor MF, a CPU sets the reference value CR for the reference floor MF to the counter 3A as a count value. Also, the difference (e) between a count value (x) before correction and the reference value CR is calculated and the reference value CR is written on a memory element P(MF). Thereby the count value in a memory buffer (x) is renewed by the reference value CR and the level of each floor number (m) is corrected to the level of the counted value by subtraction of the count difference (e).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator control method and apparatus for performing rescue operation by docking another car when one of a plurality of side-by-side cars fails, and particularly to simplifying the structure and reducing the cost. The present invention relates to an elevator control method and an apparatus for realizing the down.

[0002]

2. Description of the Related Art FIG. 6 is a block diagram showing a conventional elevator controller disclosed in, for example, Japanese Patent Laid-Open No. 57-189985. In the figure, 1A and 1B are control panels provided corresponding to side-by-side cars A and B (not shown), each having the same configuration 2A to 5A and 2B to 5B, for example, installed in a machine room or the like. ing. 6A and 6B are movement amount detectors for generating pulses corresponding to the movement amounts of the cars A and B and inputting them to the control boards 1A and 1B.

2A is a microcomputer having a CPU and a memory, 3A is a counter for counting the pulses from the movement detector 6A, 4A is a buffer for fetching the count value of the counter 3A and inputting it to the microcomputer 2A, and 5A is a control. Board 1B
This is a buffer that takes in the count value from the counter 3B therein and inputs it to the microcomputer 2A. The counter 3A and the movement amount detector 6A constitute position detecting means for generating a detection value (count value) indicating the relative distance of the car A from the reference position,
The buffer 5A constitutes an input means for fetching the detected value corresponding to the relative distance of the adjacent car B from the reference position.

Further, the CPU in the microcomputer 2A
In order to determine the positions of cars A and B based on each count value, the car includes a floor position memory that stores a detected value corresponding to each service floor position of car A during the measurement operation as a map. At the time of failure stop of B, the rescue car A is caused to travel to the failure stop position of the car B based on the detection value in the floor position memory and the detection value from the input means. Control panel 1B
The internal configurations 2B to 5B are the same as those of the control panel 1A, and thus description thereof is omitted.

Next, the operation of the conventional elevator control apparatus shown in FIG. 6 will be described. First, at the time of periodic inspection, etc., perform the measurement operation prior to the actual operation of the cars A and B,
A count value corresponding to the car position on each floor is initially set in the microcomputers 2A and 2B. That is, the count values of the counters 3A and 3B corresponding to the lowest floor positions of the cars A and B are used as reference values, and the count values corresponding to the car positions of each floor are sequentially stored in the memory in the microcomputer 2A.

If an abnormality occurs in the car B and the car B is stopped between the two floors and cannot move, the abnormality of the car B is displayed on a monitoring panel (not shown) in the center where the staff member is waiting. Be informed. As a result, the clerk who has determined the abnormality of the car B calls the car A to a specific reference floor, gets on the car A, and then operates the rescue switch in the car A to travel to the abnormal stop position of the car B. Stop position of car B is counter 3B
It can be known by referring to the count value of.

When the count value of the counter 3A coincides with the count value of the counter 3B and the car A arrives at the stop position of the car B, the clerk opens the rescue exits provided on the roofs of the cars A and B. A handing board is placed in between, and the passengers in the car B are rescued to the car A through the handing board.

However, the operating specifications of the side-by-side elevators are not always the same, and for example, as shown in FIG. 7, the lowest floor of the operation-supporting floors may differ. In FIG. 7, 7A to 7C are the traveling paths of the cars A to C of the three side-by-side elevators, the top floor of each traveling path 7A to 7C is set to the floor TOP, and the traveling path 7A of the car A is the highest. The lower floor is the floor MF-2 (underground 2
Floor), the bottom floor of the runway 7B for car B is the floor MF-1 (1 basement)
Floor), the lowest floor of the traveling path 7C of the car C is set to the floor MF (first floor).

Reference numerals 8A to 8C are reference floor detectors provided on a reference floor (for example, a floor MF) common to the cars A to C. For example, a dedicated plate fixed on the floor side and a dedicated plate facing each other. And a photocoupler fixed to the car side.

Normally, the counters 3A and 3B in each of the control panels 1A and 1B have a movement amount detector based on the lowest floors MF-2 and MF-1.
Counting the pulses from 6A and 6B, the counter 3A counts the pulse corresponding to the movement amount from the bottom floor MF-2, and the counter 3B the pulse corresponding to the movement amount from the bottom floor MF-1. Is counted.

That is, the counter 3B is a car B from the floor MF-1.
The counter 3A indicates the relative distance of the car A from the bottom floor MF-2. Therefore, in order to stop the car A at the same position as the car B, it is necessary to correct the count value of the counter 3A or B to match the count values of the counters 3A and 3B.

FIG. 8 is a block diagram showing another conventional example of the control panels 1A and 1B. As shown in FIG. 7, a car A having a different standard floor is used.
Each count value is corrected for B and B.
Note that the block configurations 1C to 6C for the car C are omitted in order to avoid complication.

In FIG. 8, 9A and 9B are reference floor detectors 8A.
And moving amount detectors 6A and 6B in response to detection signals from
The counters 10A and 10B for counting the pulses from the counters 9A and 10B are buffers for fetching the count values from the counters 9A and 10A and inputting them to the microcomputers 2A and 2B. In this case, the count values from the counters 9B and 9A are input to the respective buffers 5A and 5B.

First, in the initial measurement operation, the count values of the counters 9A and 9B in the control panels 1A and 1B of FIG. 8 are the reference values when the cars A and B pass or stop with respect to the reference floor MF. Is set to. Therefore, the count values of the counters 9A and 9B indicate the relative distance between the cars A and B when the floor MF is used as a reference, and have the same value when the cars A and B are at the same position. ..

During normal operation, each counter 3A and
3B counts the pulses from the movement amount detectors 6A and 6B, and the microcomputers 2A and 2B through the respective buffers 4A and 4B.
To enter. The count values of the respective counters 3A and 3B are processed by the microcomputers 2A and 2B, and the respective cars A and B are processed.
It is used as a position detection signal of.

On the other hand, when the car B is abnormally stopped and the car A is in the rescue operation, the microcomputer 2A operates the buffer 10
By comparing the count value of the counter 9A via A with the count value of the counter 9B via the buffer 5A, the accurate stop position of the car B is recognized and the car A is adjusted so that the respective count values match. Can be run.

[0017]

As described above, in the conventional elevator control apparatus and control method, since the detection positions of a plurality of side-by-side cars are made to coincide with each other during the rescue operation, the reference floor detectors 8A, such as a dedicated plate, are used. It is necessary to install 8C, counters 9A-9C and buffers 10A-10C. Therefore, there is a problem that the apparatus becomes complicated, the detection accuracy deteriorates, and the cost cannot be reduced.

The present invention has been made to solve the above-mentioned problems, and improves the position detection accuracy and eliminates the rescue operation function by eliminating the need for extra structures such as a reference floor detector, a counter and a buffer. It is an object of the present invention to obtain an elevator control method and an elevator control method that realize a cost reduction without damaging the cost.

[0019]

SUMMARY OF THE INVENTION An elevator control apparatus according to the present invention is a means for storing specification data relating to a car operation service, and a car at the bottom of a service floor based on the specification data during measurement operation. Means for determining whether the car is on the floor, and when the car is judged to be on the bottom floor, a first reference value is set to the memory element and the detection value for the bottom floor in the floor position memory Means for determining whether or not the car is on the common reference floor based on the specification data during the measurement operation, and for the reference floor in the floor position memory when the car is determined to be on the reference floor Means for setting a second reference value to the memory element and the detection value, and based on the count difference between the detection value and the second reference value when the car reaches the reference floor,
Means for correcting the contents of each memory element from the lowest floor to the reference floor are provided in the microcomputer.

Further, the elevator control method according to the present invention comprises a step of judging whether or not the car is at the lowest floor of the service floor based on the specification data related to the car driving service during the measurement operation, Setting a first reference value in the memory element and sensed value for the bottom floor in the floor position memory when it is determined that the car is on the bottom floor;
A step of determining whether or not the car is on a common reference floor based on the specification data during the measurement operation, and a memory element for the reference floor in the floor position memory when the car is determined to be on the reference floor And a step of setting a second reference value for the detection value, and a detection value and a second value when the car reaches the reference floor.
And a step of correcting the content of each memory element from the lowest floor to the reference floor based on the count difference.

[0021]

According to the present invention, the number of floors from the lowest floor to the reference floor of each car is set in accordance with the specification data of the side-by-side cars whose driving services are different from each other, and a predetermined floor is set for the reference floor. By setting the reference value, the detection value that indicates each car position, that is, the counter count value, is set as a value that indicates the relative distance from the reference floor, and is corrected to show the same detection value at the same position. Accurately determine the position of.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of an elevator control device according to the present invention, and 3A to 6A and 3B to 6B are the same as those described above. Although not shown, the configuration of the control panel 1C for the car C is the same as that of 1A and 1B.
The traveling paths 7A to 7C of C are as shown in FIG. in this case,
The microcomputers 1A and 1B count the reference values CO and CR corresponding to the lowest floor MF-2 and the reference floor MF (see FIG. 7) based on preset specification data by the counters 3A and 3B.
To enter.

FIG. 2 is a block diagram showing the structure of the microcomputer 2A in FIG. 1. 11A is a CPU, 12A is a ROM in which specification data related to the driving service of the car A is written in advance, and 13A is each floor. RAM including the floor position memory that stores the counter count value for each, 14A is the counter 3A
Interface for inputting reference values CO and CR
(Hereinafter referred to as I / F), 15A and 16A are I / Fs for fetching the count values via the respective buffers 4A and 5A, and 17A is a bus for connecting the respective constituent elements 12A to 16A and the CPU 11A.

During the measurement operation, the CPU 11A determines that the car A is the lowest floor of the service floor based on the specification data in the ROM 12A.
Means for determining whether or not it is in the MF-2, and a first reference value CO for the memory element and count value for the lowest floor in the floor position memory when it is determined that the car A is at the lowest floor. And a means for determining whether or not the car A is on the common reference floor MF based on the specification data during the measurement operation, and a floor when it is determined that the car A is on the reference floor MF. Means for setting the second reference value CR in the memory element and the count value for the reference floor in the position memory, and the count difference between the count value x and the second reference value CR when the car A reaches the reference floor MF. means for correcting the contents of each memory element from the lowest floor to the reference floor based on e.

FIG. 3 shows each ROM 12A corresponding to the cars A to C.
12C is an explanatory diagram showing a memory space of 12C, each ROM 12A
Numbers of floors based on the lowest floor of each of the traveling paths 7A to 7C are written as a memory map in to 12C. That is, the number of floors of the standard floor MF when the lowest floor is “0” is
In ROM12A, since the lowest floor is MF-2, it is "2", and in ROM12B, since the lowest floor is MF-1, it is "1", and in ROM13C, the lowest floor is MF. It becomes "0".

FIG. 4 is an explanatory view showing the memory space of the floor position memory in the RAM 13A corresponding to the car A, which is the lowest floor.
The count value corresponding to each floor from MF-2 to TOP is sequentially written in each memory element P (0), P (1), ..., P (n). In this case, (0) to (n) correspond to the floor number in the ROM 12A, and P (0) is P (MF-2),
P (1) is P (MF-1), P (2) is P (MF), ..., P (n) is P (TO
It corresponds to P).

Next, the initial setting operation of the count value by the elevator controller of the present invention shown in FIGS. 1 to 4 will be described with reference to the flowchart of FIG. Here, we will focus on one car A as a representative, and during elevator installation and periodic maintenance inspections, perform measurement operation while rising from the lowest floor MF-2, and count values in the floor position memory in RAM 13A. A case of configuring a map will be described as an example.

The ROM 12 in the microcomputer 2A
A is the operation specification data for car A, that is, the lowest floor
Each floor MF-1, MF (reference floor), based on MF-2
..., the count value of the counter 3A corresponding to TOP (top floor), the reference values CO and CR for the bottom floor MF-2 and the reference floor MF, etc. are written in advance. Therefore,
The CPU 11A writes the count value of the counter 3A in the RAM 13A while referring to the floor number map (FIG. 3) in the ROM 12A to form the floor position memory map (FIG. 4).

First, the CPU 11A determines from the output signal of the mode detector (not shown) whether or not the car A is in the measurement operation mode (step S1), and if it is the measurement operation mode, the counter 3A. It is determined whether the count value of is at the lowest floor level, that is, whether car A is stopped at the lowest floor MF-2 (step S2).

If the car A is stopped at the bottom floor MF-2, the reference value CO (0, or a predetermined value 100 for the bottom floor MF-2).
Etc.) as the initial count value of the counter 3A, the reference value CO is set to the counter 3A via the bus 17A and the I / F 14A.
(Step S3). Further, the preset reference value CO is written in the RAM 13A, that is, the first memory element P (0) in the floor position memory (step S4), and the process returns.

Next, when the car A starts to move upward for the measurement operation, a pulse is generated from the movement amount detector 6A,
The count value of the counter 3A is incremented. As a result, in step S2, it is determined that the car A is not running, that is, not stopped, and the incremented count value of the counter 3A is set in the memory buffer x (step S2).
Five).

Subsequently, it is judged whether or not the count value x is the level of the standard floor MF (step S6), and if it is not the level of the standard floor MF, the level of the floor number m (m = 1, ..., N). It is determined whether or not (step S7). If the count value x is the m-th level, the count value x is stored in the memory element P (m) (step S
8), m is incremented (step S9).

The value of m is a minimum value (in this case, MF-
It is initially set to 1 = 1) and when car A passes the level of floor MF-1 which is one floor above the lowest floor MF-2, floor number 1
After the count value x has been written to the memory element P (1) for, then it is incremented to m = 2. However, in this case,
Since m = 2 corresponds to MF, it is immediately incremented to m = 3.

On the other hand, when it is determined in step S6 that the count value x is the level of the reference floor MF, the CPU 11A
Sets the reference value CR for the reference floor MF as a count value in the counter 3A (step S10). Also, the count difference e between the uncorrected count value x and the reference value CR is calculated (step S1
1) The reference value CR is written in the memory element P (MF), that is, P (2) (step S12). As a result, the count value in the memory buffer x is rewritten to the reference value CR, and the level of each floor number m is corrected to the count value level from the reference floor MF by subtracting the count difference e.

Next, steps S13 to S16 are executed, and the car A
Corrects the count value of the memory element P (k) (k = 0, ..., MF-1) already written before reaching the reference floor MF. In this case, since the lowest floor is MF-2, floor numbers k to be corrected are only MF-2 and MF-1.

That is, the floor number k is reset to 0 (= MF-2) (step S13), and the memory element P corresponding to the lowest floor MF-2 is reset.
The count difference e is subtracted from the count value stored in (k), and is newly written in the memory element P (k) (step S14). continue,
It is determined whether or not the variable k has reached the reference floor MF (step S15), and if it has not reached the reference floor MF, the variable k is incremented (step S16) and then step S14 is repeated. In this way, the memory variable P (k) for the floor k from the lowest floor MF-2 to the floor MF-1 is corrected to the count value from the reference floor MF.

After that, the count value x is not judged to be the reference floor MF level in step S6, and it is judged in step S7 whether or not the count value x is the m floor level. Then, each time the count value X is incremented to reach the next higher floor level, the memory element P is reached in step S8.
The count value x is sequentially stored in (m). Steps S7-S9
Is repeated until m> n is determined in step S17, and after the floor number m reaches the top floor number n, the measurement operation routine (FIG. 5) ends.

Thus, the standard floor M common to the cars A to C is stored in the floor position memory composed of the memory map of FIG.
A count value indicating the relative distance from F is stored. The above measurement operation routine is similarly executed for the cars B and C, and the memory maps as shown in FIG. 4 are configured in correspondence with the floor numbers shown in FIG.

As a result, each of the cars A to C has the counters 3A to 3C having the reference value MF as the reference value CR and the floor position memory. Therefore, for example, when the rescue operation of the car B is performed by the car A, the car A can be stopped at an accurate position based on the counter count values of the rescue car A and the rescued car B. Further, since the position determination is performed by the signal processing in the CPU 11A, an extra circuit configuration is unnecessary and the position detection accuracy is improved.

In the above embodiment, three side-by-side cages A to
Although C is used, an arbitrary number of side-by-side cars may be used.
It goes without saying that the number of operable floors and the number of service floors of each car can be applied regardless of specifications.
Further, although the standard floor MF is set to the lowest floor common to the side-by-side cars A to C, it can be set to any floor such as the front floor. Further, the first reference value CO for the lowest floor MF-2 and the second reference floor CR for the reference floor MF can be set arbitrarily and may be set to different values.
You may set to the same value. Further, although the counter count value x is used as the detection value indicating the relative distance of the car, any analog signal or the like may be used.

[0041]

As described above, according to the present invention, means for storing the specification data related to the car driving service,
A means for determining whether or not the car is at the lowest floor of the service floor based on the specification data during measurement operation, and a method for determining whether the car is at the lowest floor in the floor position memory when it is determined that the car is at the lowest floor. Means for setting a first reference value in the memory element and detection value for the lower floor, means for determining whether or not the car is on the common reference floor during the measurement operation based on the specification data, and the car is the reference floor Means for setting a second reference value to the memory element and the detection value for the reference floor in the floor position memory when it is determined that the detected value and the second value when the car reaches the reference floor A means for correcting the contents of each memory element from the lowest floor to the reference floor is provided based on the count difference from the reference value,
Since the detection value indicating each car position is corrected with high accuracy so that it will be the same for the same position, the position of the rescued car can be accurately determined without using an extra configuration, and the rescue operation function can be implemented. The effect is to obtain an elevator control device that realizes cost reduction without loss.

Further, according to the present invention, the step of determining whether or not the car is at the lowest floor of the service floor based on the data related to the operation specifications of the car during the measurement operation, and the car being at the bottom A step of setting a first reference value for the memory element and the detection value for the lowest floor in the floor position memory when it is determined that the car is a common reference point based on the data during the measurement operation. A step of determining whether the car is on the floor, and a second step in the memory element and the detected value for the reference floor in the floor position memory when the car is determined to be on the reference floor.
Setting a reference value of, a step of obtaining a count difference between the detected value at the time when the car reaches the reference floor and the second reference value, and a memory for each floor from the lowest floor to the reference floor based on the count difference. Correcting the position of the rescued car without using an extra configuration, as it includes the step of correcting the contents of the elements and corrects the detection value indicating each car position to be the same for the same position. Therefore, it is possible to obtain an elevator control method that realizes cost reduction without impairing the rescue operation function.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an elevator control device of the present invention.

FIG. 2 is a block diagram showing a configuration of a CPU in FIG.

FIG. 3 is an explanatory diagram showing a memory space of a ROM in FIG.

FIG. 4 is an explanatory diagram showing a configuration of a floor position memory included in the RAM in FIG.

FIG. 5 is a flowchart showing an embodiment of the elevator control method of the present invention.

FIG. 6 is a block diagram showing a conventional elevator control device.

FIG. 7 is an explanatory diagram showing an example of a service floor of a general side-by-side car.

FIG. 8 is a block diagram showing another example of a conventional elevator control device.

[Explanation of symbols]

2A Microcomputer 3A Counter (position detection means) 5A Buffer (input means) 6A Movement amount detector (position detection means) 11A CPU 12A ROM (means for storing specification data) 13A RAM (floor position memory) e Count difference MF -2 Bottom floor MF Reference floor CO First reference value CR Second reference value P (0) to P (n) Memory element x Counter count value (detection value) S2 Whether or not the car is on the bottom floor Step S3 Set the first reference value CO to the detected value x Step S4 Set the first reference value CO to the memory element P (0) S6 Determine whether the car is on the reference floor MF Step S10 Setting the second reference value CR to the detected value x Step S11 Obtaining the count difference e between the detected value x and the second reference value CR S12 Second reference value CR to the memory element P (MF) Setting steps S13 to S16 Memory elements P (0) to P (MF-1) Steps to correct the contents of

Claims (2)

[Claims] 1. A car is provided corresponding to a plurality of side-by-side cars,
Position detection means for generating a detection value indicating a relative distance from the reference position of the car, input means for capturing a detection value corresponding to the relative distance of the adjacent car from the reference position, and the above-mentioned detection value based on each of the detection values. A car for discriminating the positions of the car and the adjacent car, and the microcomputer includes a floor position memory for storing a detected value corresponding to each service floor position of each car during the measurement operation as a map. In the elevator control device that causes the rescue car to travel to the failure stop position of the adjacent car based on the detection value in the floor position memory and the detection value from the input means when the adjacent car fails and stops, The microcomputer stores means for storing specification data related to the car driving service, and stores the specification data based on the specification data during the measurement operation. Means for determining whether the car is on the lowest floor of the service floor based on the above, and a memory for the lowest floor in the floor position memory when it is determined that the car is on the lowest floor. Means for setting a first reference value to the element and the detected value, means for determining whether or not the car is on a common reference floor based on the specification data during the measurement operation, and the car Means for setting a second reference value for the memory element and the detection value for the reference floor in the floor position memory when it is determined to be on the reference floor, and the means at the time when the car reaches the reference floor An elevator control apparatus comprising: a unit that corrects the content of each memory element from the lowest floor to the reference floor based on a count difference between a detected value and the second reference value. 2. A detection value indicating a relative distance from a reference floor of a plurality of parallel cars to each service floor is obtained by a measurement operation, and the detection value is stored in a floor position memory corresponding to each car. Along with it, a detection value indicating the amount of movement of the car from the reference floor is always obtained, and when an adjacent car fails and stops, a rescue car is placed at the failure stop position of the adjacent car based on each of the detection values. In the elevator control method for traveling, during the measurement operation, a step of determining whether or not the car is at the lowest floor of the service floor based on the specification data related to the operation service of the car, and the car is Setting a first reference value to the memory element and the detection value for the lowest floor in the floor position memory when it is determined to be on the lowest floor, and the specification data during the measurement operation. To Determining whether or not the car is on a common reference floor based on the above, when the car is determined to be on the reference floor, the memory element and the detected value for the reference floor in the floor position memory A step of setting a second reference value to the second step, a step of obtaining a count difference between the detected value and the second reference value at the time when the car reaches the reference floor, and based on the count difference, Correcting the contents of each memory element from the lowest floor to the reference floor, the elevator control method.