JP3292503B2 - Elevator position detection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator position detecting device for detecting the position of an elevator car, and more particularly to a technique for setting a floor level position in an express zone where a non-stop floor exists.

[0002]

2. Description of the Related Art FIGS.
This describes a conventional elevator position detecting device similar to that shown in Japanese Patent Application Laid-Open No. 197572. FIG. 6 shows an example in which an elevator running on a plurality of floors is controlled by a microcomputer. In FIG. 6, reference numeral 1 denotes an elevator car, 2 denotes a counterweight, and 3 denotes a rope wound around a sheave 4. A car 1 and a counterweight 2 are respectively connected to both hanging ends of the rope 3. I have.

[0003] 5 is a motor for driving the sheave 4, 6 is a pulse generator for generating a pulse proportional to the moving distance of the car 1 from the rotation of the motor 5, 8 is a predetermined based on the pulse from the pulse generator 6 A microcomputer for performing arithmetic processing, as shown in FIG. 7, a CPU 8a, a ROM 8b,
It comprises a RAM 8c, an input circuit 8d, an output circuit 8e, and a pulse counter 8f.

[0004] 9 is a floor, 10 is a plate provided on the hoistway corresponding to each floor, 11 and 12 are position detectors provided on the car 1, and when the car 1 reaches the level position of each floor, respectively. The output signals 11a and 12a are
For example, the position detector 11 outputs a signal at a position 10 mm below the plate installation position level, and the position detector 12 outputs a signal at a position 10 mm above the set position level of the plate 10, for example.

FIG. 8 to FIG. 11 show a position detector 1 which is sent out when the car reaches a level position on each floor when the car rises.
FIGS. 8 and 9 illustrate a method of storing the number of pulses proportional to the moving distance of the car based on the output signals of 1, 1 and setting the level position of each floor. FIGS. In FIG. 10 and FIG. 11, pulse data is stored at the time of entering and exiting the plate, and the pulse data is stored at the level of each floor. Is a method of obtaining the level position of the image.

First, a method for obtaining level position data of each floor will be described with reference to FIGS. 8 and 9. FIG. 8 shows the inside of the RAM 8c of the microcomputer 8 in which the level position data of each floor is stored. The positions of each floor of the N-stop building are indicated from the lowest floor to the highest floor.
(0) indicates the level position of the lowest floor, and FLH (N-1) indicates the level position of the highest floor.

Next, the operation of the elevator control device configured as described above will be described. The case where the floor height value of each floor is written in the RAM 8c in the microcomputer 8 will be described with reference to the flowchart of FIG. (A) First, in a state where the microcomputer 8 is initialized, the car 1 is stopped at the lowest floor, and a level position corresponding to the lowest floor is set to, for example, a reference value L, which is set to FLH.
Write (0) to address 0 of RAM 8c. In addition, the current position FSY of the car at this time is L _0.

(B) Next, the car 1 is raised and the pulses generated by the pulse generator 6 as the car travels are calculated by a pulse counter 8f provided with counters CT1 and CT2 each composed of a 4-bit binary circuit. Thus, the travel distance of the car is measured, and the count value DP1 of the counter CT1 and the count value DP2 of the counter CT2 are obtained by the input processing shown in the procedure 100 of FIG. .

Then, in the next step 101, a reset signal RESET is sent from the CPU 8a, and each counter CT1,
Reset CT2. When the reset process is completed, the process proceeds to the next step 102, where it is determined whether the car 1 is traveling up. If "NO", the writing process is not performed.

When it is determined that the vehicle is traveling uphill, in the next step 103, the output signal 11a of the position detector 11 is output.
Is determined, and if the determination is “NO”, the flow proceeds to step 106 to take in the loaded counter CT1.
Is cumulatively added by the CPU 8a, and FS
The processing of Y ← FSY + DP1 is performed. FSY is the current position of the car 1, and while traveling, steps 100 to 103 and 10
6 are performed for each calculation cycle of the CPU 8a.

(C) Next, when the car 1 reaches the level position of the next floor and the microcomputer 8 detects the level signal generated from the position detector 11, the result of the determination in the step 103 is "YES". Therefore, the process proceeds to step 104, where the process of I + 1 is performed so as to be the floor address of the RAM 8c in which the floor height value is to be written. Then, the process proceeds to the next step 105, in which the floor height at the time when the level signal of the position detector 11 is issued is added to the current position FSY as the count value DP of the counter CT2.
The calculated value FLH (I) is written to the address I of the RAM 8c corresponding to the calculated value FLH (I).

[0012] In the following, steps 100 through step 10 in the same manner
By repeating the operations up to 6 up to the top floor, N
In the case of a stopped building, the floor height values FLH (0) to FLH (N-1) corresponding to the level position of each floor are written into the RAM 8c as shown in FIG.

The floor height value thus obtained is used for normal operation of the elevator. That is, based on the floor height value stored in the RAM 8c, the current position of the car is corrected, the traveling distance from the departure floor to the landing floor, or the remaining distance from the landing floor, and a reference speed command corresponding to the remaining distance. Or to control the generation of

Next, a method for obtaining level position data of each floor will be described with reference to FIGS. FIG.
(A) 300 floors below each floor on each floor with N stops
mm is added to the level value from the bottom floor to the top floor.
FLHD (0) -F from address 0 to address N-1 of AM8c
LHD (N-1), and FIG. 10 (b) shows the level value taking into account 300 mm above the floor from the bottom floor to the top floor from address 0 to N-1 of the RAM 8c.
The addresses are stored as FLHU (0) to FLHU (N-1), and FIG.
By taking the average of the values of (a) and (b), the actual level position is set to FLHL (0) from address 0 to address N-1 of RAM 8c.
ＦFLHL (N−1).

FIG. 11 is a flowchart showing the operation of writing the level position data of each floor, and the operation will be described below with reference to this flowchart. First, the car 1 is stopped at the lowest floor. At this time, the level position corresponding to the lowest floor is obtained by [FLHD (0) + FLHU (0)] ÷ 2, and the level position obtained as FLHL (0) is stored in the RAM 8c as shown in FIG. It is stored at address 0.

Next, the car 1 is raised and the counters CT1 and CT generated by the pulse generator 6 as the car travels.
The car travel distance is measured by counting by 2
FIG. 1 accompanying the start of the write operation processing program of U8a
1 by the input processing shown in the procedure 200 of FIG.
Of the count value DP1 of the counter CT2 and the count value DP2 of the counter CT2
In the next step 201, a reset signal RESET is transmitted from the CPU 8a, and each counter CT1,
Reset CT2.

When the reset process is completed, the process proceeds to the next step 202, where it is determined whether the car 1 is traveling up.
If "NO", the writing process is not performed. When it is determined that the vehicle is traveling uphill, in the next step 203,
The microcomputer 8 determines whether or not the signal 12a of the position detector 12 has risen. If the result is "YES", the microcomputer 8 proceeds to step 204, and then proceeds to step 204 below the floor of the floor.
The processing of I + 1 is performed so that the floor address of the RAM 8c to which the value corresponding to 0 mm is to be written is written, and the next step 20
At 5, the processing of FLHD (I) ← FSY + DP2 is performed.

That is, the count value DP2 of the fetched counter CT2 is added to the car current position FSY obtained by accumulatively adding the count value DP1 of the counter CT1 fetched in each calculation cycle of the CPU 8a and the traveling distance before this. FLH
D (I) is written to the address of the RAM 8c corresponding to the I floor. Further, in step 206 following the ascending operation of the car 1, the process of FSY ← FSY + DP1 is performed, the count value DP1 of the counter CT1 is taken in each calculation cycle of the CPU 8a, and the current value of the car is cumulatively added.

On the other hand, the judgment in the above step 203 is "NO".
In the case of, the process proceeds to step 207 to determine whether or not the signal 11a of the position detector 11 has fallen. At this time, "N
If "O", the process proceeds to step 206 to perform a cumulative addition process of the current value of the car. On the other hand, if “YES” is determined, the process proceeds to step 208 where FLHU (I) ← FSY + D
The process of P2 is executed. That is, the fetched counter CT is added to the current position value FSY of the car accumulated by the CPU 8a.
2 is added, and this is written as FLHU (I) in the address of the RAM 8c corresponding to the I floor.

When the writing of data corresponding to 300 mm on the floor is completed, the flow shifts to step 209, where the FLH
The processing of L (I) ← [FLHD (I) ÷ FLHU (I)] ÷ 2 is executed. That is, the upper and lower floor 300 on the I floor
An average value of the level values in consideration of mm is obtained, and the average value is stored as an accurate level position value at the address I of the RAM 8c.

Hereinafter, the procedures 200 to 20 are performed in the same manner.
By repeating the processing up to 9 to the top floor, N
The floor height value corresponding to the level position of each floor of the stopped building is written into the RAM 8c as shown in FIG.

The floor height value thus obtained is used for controlling the current position of the car and its correction during normal operation of the elevator, the remaining distance to the landing floor, or the generation of a reference speed command for the remaining distance.

[0023]

As described above, the conventional elevator position detecting device stores pulse data when entering a plate and uses the pulse data as the level position of each floor. It was necessary to attach a plate for position detection for lighting the indicator and detecting the floor also on the floor where the express zone of the non-stop floor exists. Therefore, it was inferior in economy and installation workability.

The present invention has been made in order to solve the above-mentioned problems, and it is possible to set floor position data of a non-stop floor without using a plate, and to provide a case where a floor of a non-stop floor exists. However, an object of the present invention is to provide an elevator position detecting device capable of obtaining a floor position of a floor.

An elevator position detecting device according to the present invention is a device for controlling an elevator traveling on a plurality of floors by a microcomputer, wherein a means for generating a pulse in proportion to a moving distance of a car, and corresponding to each stop floor. A position detector provided in a car that emits a position signal when facing a plate installed in a hoistway, a read-only storage unit and a readable and writable storage unit in the microcomputer, and a position detector for each floor Means for storing the operating point of the floor as the level position of the stopped floor in the read / write storage means, means for storing the average distance between floors in the read-only storage means, and the car moving by a predetermined amount. Even plate by position detector
To judge that it is an express section by not detecting
If it is determined that it is a step and an express section, an express zone in which a non-stop floor exists is obtained by sequentially adding the average distance between floors to the data of the operating points stored in the readable and writable storage means. Is obtained as a level position of the floor of the floor and stored in the above-mentioned readable and writable storage means. Means for determining that it is an express section
Moves the car twice the average distance between the floors
Also, since the plate is not detected by the position detector
It is characterized by judging that it is an express section . In addition, before the entrance of the express zone where there is a non-stop floor
Level position data when the position detector operates on the floor
Level position when the position detector operates on the floor after the exit
The data is stored in the readable and writable storage means.
Means to read the number of floors set in the express zone
Means for storing in a writable storage means, and
Level position on the floor in front of the memorized express zone entrance
Data and level position data on the floor after exit and express zone
The average distance between floors is determined from the number of floors set in the
Using that as the correction distance, the level of the floor of the express zone
And write it back to the readable and writable storage means.
It is characterized by having means for remembering.

[0026]

In the elevator position detecting apparatus according to the present invention , the average distance between floors is stored in advance, and even if the car moves by a predetermined amount, the position is detected by the position detector.
Judgment of express section due to no detection
If it is determined that the section is an express section, the level position of the floor of the non-stop floor (express zone) is determined by calculating the average distance between the floors and the operating point of the position detector stored in the stop floor. It is assumed that the data is sequentially added to the data. Also, the average distance between floors
Even if the car moves twice the distance, play with the position detector
It is determined that it is an express section since no event is detected.
In addition, the level on the floor in front of the memorized express zone entrance
Level data on the floor after the exit
From the set number of floors in the express zone, calculate the average distance between floors
Again, and use that as the correction distance.
By finding the bell position, the last floor of the express zone and
Correct the distance between the floor and the first floor after the exit.

[0028]

[0029]

【Example】

Embodiment 1 FIG. An embodiment of the present invention will be described below with reference to the drawings. First, in this embodiment, a configuration similar to the configuration shown in FIGS. 6 and 7 is provided. FIG. 1 is a diagram showing floors of a building. In FIG. 1, reference numeral 13 denotes an N-story building, of which floors 1, 2, x + 1, and x + 1 to N are service target floors, The third floor to the x-1 floor are service non-target floors, that is, express zones.

FIG. 2 shows a counter 8 indicating a floor position.
The count pulse data by f
Indicates the state stored in c. The stored data is ()
Is the count pulse data. That is, (1F)
Is count pulse data representing the position of the first floor.

FIG. 3 shows a method of storing the count pulse data in the volatile memory RAM 8c in detail with respect to the floor position. Here, I is the address of the RAM 8c that stores the count pulse data of the floor, (I) is the count pulse data that is the data stored in the RAM 8c, Y is the average floor height between floors,
(Y) is a value obtained by converting the average floor height with pulse data.

Now, the setting of the level position data of the service target floor in the elevator control device as shown in FIG. 6 is performed by detecting the position provided on each floor at the time of ascent at the time of the first operation as shown in FIGS. The number of pulses in proportion to the moving distance of the car when the vessel is operated is stored, and the value is set as the level position of each floor.

Next, the setting of the level position data of the express zone which is the non-service target floor is not possible because the position detector provided on the floor is eliminated. Therefore, the pulse data (Y) converted in advance to the average floor height between the floors is stored in the ROM 8b, and the floor setting in the express zone is performed by sequentially adding the pulse data to the final setting data. To set.

That is, the floor position data setting method has the following relationship. Setting of service target floor (N floor) Setting of service non-target floor (express zone) [N + 1 floor] = (N floor) + {Y} where floor floor detector is (N floor) + 2 x (Y ) When the value is not detected. Here, () is a data value detected by the floor position detector, {} is a floor height value preset in the ROM 8 b,
[] Is a data value obtained by calculation.

Next, description will be made with reference to the flowchart of FIG. The program in this flowchart is stored in the ROM 8b of the microcomputer 8 and is a process executed during the initial operation of the elevator.
Is executed at every calculation cycle.

First, in step 300, the value of the pulse counter fetched for each calculation cycle is stored in CNT. CNT
Are stored in the RAM 8c. Next, step 301
Then, the microcomputer 8 detects the rising of the signal of the car position detector 11, and when the rising is detected, the determination result is Y.
ES is reached, and the process proceeds to step 302 to write the floor level position CNT to the floor address of the RAM 8c corresponding to the floor. Then, the process proceeds to the next step 303, in which the RAM 8 is set to the floor address where the CNT of the next floor is to be written.
After performing I + 1 processing for incrementing the address of c, the program exits.

On the other hand, if the rise of the position detector 11 is not detected in step 301, the result is NO, and the routine proceeds to step 304. In step 304, step 30
The value of the CNT captured at 0 is compared with the value obtained by adding twice the value of the average floor height (Y) to the level position data (I-1) of the previous floor. As a result, the currently imported CN
When T is larger, that is, the floor position cannot be detected by the position detector even if it moves twice the average floor height from the level position data of the previous floor, and is regarded as an express zone. Moves to step 305.

In step 305, level position data on the I floor is set by calculation. That is, the level position data (I) on the I floor is obtained by adding the average floor height (Y) to the level position data (I-1) on the previous floor.
On the other hand, if the CNT currently acquired in the branch of step 304 is smaller, that is, if the current car position has not moved twice the average floor height from the level position data of the previous floor, Exit this program.

In the same way, by repeating the operations from step 300 to step 305 up to the top floor in the same manner, even in the case of a building including an express zone with N floors,
Floor height values (1F) to (NF) with respect to the level position of each floor
Is written into the RAM 8c as shown in FIG.

In the above embodiment, for the sake of simplicity, an integrating counter which does not reset the pulse count is used. However, the present invention can also be applied to a counter which resets the counter at every operation cycle, such as when the number of bits of the counter is small. In addition, when the express zone is long, the error component of Y becomes large, and an accurate floor position may not be obtained.
In that case, a plate may be attached to the middle floor, and the position may be detected using the plate.

Embodiment 2 FIG. Next, a second embodiment will be described.
In the second embodiment, a method is adopted in which the distance between the floors is corrected so that the distance between the floors in the express zone becomes uniformly equal, and the floor level position data is reset. FIG. 4 is a diagram showing the relationship between the floors of the building and the setting data when the setting is made according to the first embodiment. FIG. 5 is a diagram showing the relationship between the floors of the building and the setting data when the setting is made according to the second embodiment shown in FIG.

With the method of the first embodiment, the number of floors in the express zone and the floor level position data can be set (FIG. 4). However, when the average floor distance differs depending on the floor or when the average floor distance differs depending on the building, in the method of the first embodiment, the difference between the final floor at the exit of the express zone and the first floor after the exit is obtained. When the inter-floor distance (A) is shorter than the stored average inter-floor distance (Y) ((Y)>
(A)), in which case an indicator or the like may not be lit smoothly. Therefore, it is necessary to correct the distance between floors stored in advance.

In FIG. 5, the level position data when the position detector operates on the floor (I floor) in front of the entrance of the express zone is CNT1, and the position detector operates on the first floor after the exit. The level position data at the time of performing CNT2 (I
+ N + 1 floor), the level position data in the express zone is set by the method of the first embodiment, and the set floor number is N. | (CNT2)-(CNT1) | / N = (Y '), and the corrected inter-story floor height (Y') is obtained and set again as follows. (I + 1) = (CNT1) + (Y ′) (I + 2) = (I + 1) + (Y ′) (I + 3) = (I + 2) + (Y ′) ↓ (CNT2) = (I + (N−1)) + (Y ′) (CNT2) = (I + N) + (Y ′)

In this manner, the inter-floor distance between the last floor of the express zone and the first floor after the exit can be corrected, so that the express zone indicator can be smoothly turned on.

As described above , according to the present invention, the average distance between the non-stop floors is stored in advance,
The plate is detected by the position detector even if the car moves a predetermined amount.
Judging that it is an express section by not being issued,
Non-stop floor (express zone) if it is determined to be between
Express level of the non-stop floor of the elevator in order to make the level position of the floor of the elevator the average distance between the floors sequentially added to the data of the position detector (plate) operating point stored in the stop floor. the Ki out to determine the level position without the need floor to stick <br/> plate for indicator lighting and position detection into floor, the position detecting device of good elevator in installation workability in economic efficiency Is obtained. Also, the average distance between floors
Even if the car moves twice as far away from the car,
If no rate is detected, it is determined to be an express section
By displaying the floor position data of the non-stop floor
It can be set without using a lighting or position detection plate,
Line sections can be easily detected. In addition, the stored express
Position data on the floor in front of the entrance and the floor after the exit
Level position data on the floor and the number of floors set in the express zone
From the calculation, find the average distance between floors and calculate it by
Find the level position of the express zone floor again as the correction distance.
The indicator in the express zone is not lit.
There is an effect that can be performed smoothly.

[0046]

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing floors of a building according to an embodiment of the present invention.

FIG. 2 is an address map showing an internal storage state of a RAM 8c in the microcomputer 8 according to one embodiment of the present invention.

FIG. 3 is a flowchart of a program showing an operation of one embodiment of the present invention.

FIG. 4 is a diagram showing a relationship between floors of a building and setting data when the setting is made according to the first embodiment of the present invention.

FIG. 5 is a relationship diagram between a building floor and setting data when the setting is performed according to the second embodiment of the present invention.

FIG. 6 is a configuration diagram showing an elevator car position detection device.

7 is a configuration diagram of the microcomputer 8 shown in FIG.

FIG. 8 is an address map showing an internal storage state of a microcomputer RAM 8c of the conventional elevator position detecting device.

FIG. 9 is a flowchart showing the operation of a conventional elevator position detecting device.

FIG. 10 is an address map showing an internal storage state of a microcomputer RAM 8c of the conventional elevator position detecting device.

FIG. 11 is a flowchart showing the operation of a conventional elevator position detecting device.

[Explanation of symbols]

 Reference Signs List 6 pulse generator 8 microcomputer 8a CPU 8b ROM 8c RAM 8f pulse counter 10 plate 11 position detector 12 position detector

Claims (3)

(57) [Claims] 1. A means for controlling an elevator traveling on a plurality of floors by a microcomputer, wherein a means for generating a pulse proportional to a moving distance of a car, a plate provided on a hoistway corresponding to each stop floor. A position detector provided on a car that emits a position signal when facing the position, a read-only storage unit and a read-write storage unit in the microcomputer, and the operating point of the position detector for each floor is set to the level of the stopped floor. Means for storing in the read-write storage means as the position, means for storing the average distance between floors in the read-only storage means, and a position detector even if the car moves by a predetermined amount.
It is judged that it is an express section because no plate is detected.
Means for disconnection, and there are non-stop floor having an average length by sequentially adding the between data in floors and floor when it is determined that the express zone the read writable operating point stored in the storage means An elevator position detecting device comprising: means for determining a level position of a floor in an express zone and storing the level position in the readable and writable storage means. 2. The means for determining an express section is a floor
Even if the car moves twice as long as the average distance to the floor,
Since the plate is not detected by the transmitter,
The element according to claim 1, wherein it is determined that there is
Beta position detector. 3. In front of an express zone entrance where a non-stop floor exists.
Level data when the position detector operates on the floor
And the level when the position detector operates on the floor after the exit
Data is stored in the readable and writable storage means.
Means to set the number of floors in the express zone
Means for storing in an out-and-write storage means, and
Level level on the floor in front of the entrance of the memorized express zone
Position data and level position data on the floor after the exit and express
Calculate the average distance between floors from the number of floors set in the zone.
The level of the floor in the express zone
The position of the file is determined and re-
2. The apparatus according to claim 1, further comprising:
The elevator position detecting device according to any one of the preceding claims.