Elevator system

Abstract

To provide an elevator system capable of restraining an increase in a work burden of a worker in adjustment, even when having a plurality of units.SOLUTION: Each unit 4 of the elevator system 1 includes a car 7, a cord tape 11, a reading device 12, and a control device 10. A reading device 12 provided on a car 7 reads a vertical position from a cord tape 11 arranged in a hoistway 2. The control device 10 controls the travel of the car 7 based on the floor-to-floor height data and the position in the vertical direction read by the reading device 12. The floor-to-floor height data is data for associating the landing position of each floor with the position information on the code tape 11. In the unit 4a, the story height is acquired based on the vertical position read by the reader 12 when the car 7a is landed on each story. In the unit 4b, the control device 10 controls the travel of the car 4a by using the story height acquired in the unit 7b.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to elevator systems. [Background technology]

[0002] Patent Document 1 discloses an example of an elevator system. In the elevator system, a code tape is placed in a hoistway. A reading device installed in the car reads information indicating the longitudinal position attached to the code tape. A control device performs control processing using the position read by the reading device as the absolute position of the car. In the elevator system, a landing position is set for each floor as the target position for the car to land. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] International Publication No. 2023 / 144985 Summary of the Invention [Problem to be solved by the invention]

[0004] In the elevator system of Patent Document 1, the landing position of each floor is set by adjustment during initial installation. If the elevator system has multiple units, the landing position of each floor must be adjusted individually for each unit. This increases the workload of workers who perform adjustment work during installation.

[0005] The present disclosure relates to solving such problems, and provides an elevator system that can suppress an increase in the workload of workers during adjustment, even when the elevator system includes multiple units. [Means for solving the problem]

[0006] The elevator system according to the present disclosure comprises a plurality of units including a first unit and a second unit, each of which comprises: a car that travels up and down in a hoistway throughout its ascending and descending stroke; a code tape that is arranged with its longitudinal direction oriented vertically throughout the ascending and descending stroke of the hoistway and has vertical position information assigned along its longitudinal direction; a reading device that is provided on the car and reads the vertical position from the code tape; and a control device that controls the running of the car based on floor height data that corresponds the landing position of each floor with the position information on the code tape, and the vertical position read by the reading device; in the first unit, the floor height data is obtained based on the vertical position read by the reading device when the car lands at each floor, and in the second unit, the control device controls the running of the car using the floor height data obtained by the first unit. [Effects of the Invention]

[0007] According to the elevator system of the present disclosure, even if there are multiple units, the increase in the workload of workers during adjustment can be suppressed. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a configuration diagram of an elevator system according to a first embodiment. [Figure 2] FIG. 3 is a diagram showing an example of adjustment of floor height data in the elevator system according to the first embodiment. [Figure 3] FIG. 3 is a diagram showing an example of correction of floor height data in the elevator system according to the first embodiment. [Figure 4] 5 is a flowchart showing an example of an adjustment operation of floor height data in the elevator system according to the first embodiment. [Figure 5] 1 is a hardware configuration diagram of a main part of an elevator system according to a first embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] The following describes embodiments of the subject matter of the present disclosure with reference to the accompanying drawings. In each drawing, identical or corresponding parts are designated by the same reference numerals, and redundant explanations are appropriately simplified or omitted. Note that the subject matter of the present disclosure is not limited to the following embodiments, and any component of the embodiments may be modified or omitted within the scope of the gist of the present disclosure.

[0010] Embodiment 1 FIG. 1 is a configuration diagram of an elevator system 1 according to the first embodiment.

[0011] An elevator system 1 is applied to, for example, a building having multiple floors. A hoistway 2 for the elevator system 1 is provided in the building. The hoistway 2 is a long space extending vertically across multiple floors. A landing 3 for the elevator system 1 is provided on each floor of the building. The landing 3 is located adjacent to the hoistway 2. The elevator system 1 includes multiple units 4. Each unit 4 includes a hoisting machine 5, a main rope 6, a car 7, a position detection system 8, a detection system 9, and a control device 10.

[0012] The hoisting machine 5 includes a motor and a sheave. The hoisting machine 5 is provided, for example, at the upper or lower part of the hoistway 2. For example, when a machine room is provided at the upper part of the hoistway 2, the hoisting machine 5 may be arranged in the machine room. The motor of the hoisting machine 5 is a device that generates drive torque. The sheave of the hoisting machine 5 is connected to the rotating shaft of the motor of the hoisting machine 5. The sheave of the hoisting machine 5 rotates by the drive torque generated by the motor of the hoisting machine 5.

[0013] The main ropes 6 are wound around the sheaves of the hoisting machine 5. The main ropes 6 move so as to be wound up on either side of the sheaves of the hoisting machine 5 as the sheaves of the hoisting machine 5 rotate. The main ropes 6 support the load of the car 7 on either side of the sheaves of the hoisting machine 5.

[0014] The car 7 is disposed in the hoistway 2. The hoist 5 moves the main rope 6, causing the car 7 to travel up and down in the hoistway 2 over an ascent and descent stroke. The ascent and descent stroke is the range over which the car 7 ascends and descends in the hoistway 2. In this example, the ascent and descent strokes of each unit 4 of the elevator system 1 are the same. The car 7 is a device that transports passengers and other passengers between multiple floors by traveling up and down the hoistway 2. A landing position is set for each floor of a building to which the elevator system 1 is applied. The landing position for a floor of the building is the vertical position at which the car 7 stops on that floor. A reference position is set for a building to which the elevator system 1 is applied. The reference position is, for example, a predetermined position relative to the end floor, such as the top floor or the bottom floor. The reference position is, for example, a position a predetermined distance below the landing position for the bottom floor.

[0015] The position detection system 8 corresponds to a car 7 of the same unit 4. The position detection system 8 is a system that detects the vertical position of the corresponding car 7. The position detection system 8 is, for example, an APS (Absolute Positioning System). The position detection system 8 includes a code tape 11 and a reader 12.

[0016] The code tape 11 is a tape-like device that is long in one direction. Information representing a longitudinal position on the code tape 11 is provided along the longitudinal direction of the code tape 11. For example, if the code tape 11 is a magnetic tape, the information representing the longitudinal position is provided to the code tape 11 as magnetic data. Alternatively, the information representing the longitudinal position may be provided on the surface of the code tape 11 as an encoded image including a two-dimensional code. The code tape 11 is placed in the hoistway 2 so that its longitudinal direction faces the vertical direction. One vertical end of the code tape 11 is fixed to the hoistway 2 as a fixed end 13. The other vertical end of the code tape 11 is adjustable to the hoistway 2 as an adjustable end 14. In this example, the upper end of the code tape 11 is provided as the fixed end 13. In this example, the fixed end 13 is directly attached to the building structure. The building structure includes, for example, the interior walls, columns, or beams of the hoistway 2. The lower end of the cord tape 11 is set as an adjustable end 14. The adjustable end 14 is set, for example, via a spring so as to apply tension to the cord tape 11. Alternatively, the adjustable end 14 may be supported by a slide bearing or the like so as to be slidable in the up and down direction.

[0017] The reading device 12 is a device that reads information indicating the longitudinal position given to the code tape 11. The reading device 12 is installed in the car 7 of the same unit 4. The reading device 12 is installed, for example, outside the car 7, such as on the car. The reading device 12 moves up and down in the elevator shaft 2 together with the car 7. The reading device 12 reads the longitudinal position information from the code tape 11 as information on the vertical position of the car 7, for example, by using a magnetic sensor, a camera, or other device. The reading device 12 is connected to the control device 10 of the same unit 4 so as to be able to output the reading result.

[0018] The detection system 9 corresponds to a car 7 of the same unit 4. The detection system 9 is a system that detects whether the corresponding car 7 is in a reference position. The detection system 9 includes a detectable cam 15 and a detection switch 16. The detection switch 16 is a device that detects the detectable cam 15. The detection switch 16 and the detectable cam 15 are examples of a detector and a detectable object, respectively. The detection switch 16 may be, for example, a limit switch, or another switch or sensor. One of the detection switch 16 and the detectable cam 15 is installed on the corresponding car 7. The other of the detection switch 16 and the detectable cam 15 is installed at a position in the hoistway 2 that corresponds to the reference position. The position that corresponds to the reference position is a position where the detection switch 16 detects the detectable cam 15 when the car 7 is in the reference position. The detection switch 16 or the detectable cam 15 that is installed on the car 7 moves up and down in the hoistway 2 together with the car 7. In this example, the detection system 9 detects that the car 7 is in the reference position by detecting the detection cam 15 through contact with the detection switch 16. The detection switch 16 is connected to the control device 10 of the same unit 4 so as to output the detection result. In this example, the detection cam 15 is installed on the car 7. The detection cam 15 is installed outside the car 7, for example, on the car. The detection switch 16 is installed in a location in the elevator shaft 2 that corresponds to the reference position. The detection switch 16 is, for example, directly attached to the building structure. Note that the detection system 9 may also include a detector that detects the detection object without contact. The detection object and detector of the detection system 9 may be a magnetic plate such as an iron plate and a magnetic sensor, a light shielding plate and a photoelectric sensor, a marker and a camera, etc. Alternatively, the detection object may be installed in a location that corresponds to the reference position. In this case, the detector is installed on the car 7. In this example, the detection system 9 of each unit 4 includes only one pair of a detector and a detection object. The detection system 9 of each unit 4 may include a plurality of detectors or detection objects, or both. In this case, each unit 4 may not be provided with the detection system 9.

[0019] The control device 10 corresponds to a car 7 of the same unit 4. The control device 10 is a device that controls the operation of the corresponding car 7. Control of the operation of the car 7 includes management of calls registered in the car 7 and control of running, such as starting and stopping, when responding to the calls. The control device 10 is provided, for example, above or below the hoistway 2. For example, when a machine room is provided above the hoistway 2, the control device 10 may be located in the machine room. The control device 10 controls the operation of the car 7 based on the position read by the reading device 12 provided in the corresponding car 7. The control device 10 pre-stores floor height data that associates the landing position of each floor with the position information on the code tape 11. Based on the floor height data and the position read by the reading device 12, the control device 10 controls the running of the car 7 so that the landing position of the departure floor or destination floor of the call registered in the car 7 is set as the target stopping position. The control device 10 may use the detection information from the detection system 9 to control the operation of the car 7. For example, when the reference position is a position indicating the end of the range in which the car 7 can travel, the control device 10 may stop the travel of the car 7 based on the detection information from the detection system 9.

[0020] The elevator system 1 includes a group control device 17. The group control device 17 is a device that controls the operation of the elevator system 1. The group control device 17 has a function of assigning a user call registered at a hall 3 or the like to one of the units 4. The group control device 17 is connected to the control device 10 of each unit 4 so as to be able to communicate information. The group control device 17 may have a function of relaying communication of control information and the like between the units 4.

[0021] Next, an example of adjusting the floor height data will be described with reference to FIG. FIG. 2 is a diagram showing an example of adjustment of floor height data in the elevator system 1 according to the first embodiment. The floor height data is adjusted, for example, when the elevator system 1 is installed. The floor height data may also be adjusted after the elevator system 1 starts operating. The floor height data may also be adjusted, for example, when the elevator system 1 is inspected regularly or irregularly.

[0022] In FIG. 2, of the multiple units 4, units 4a and 4b are shown. Note that the hoist 5, main rope 6, and other components of units 4a and 4b are not shown. Unit 4a includes a car 7a, a position detection system 8a, a detection system 9a, and a control device 10a. Position detection system 8a includes a code tape 11a and a reading device 12a. Detection system 9a includes a detectable cam 15a and a detection switch 16a. Unit 4b includes a car 7b, a position detection system 8b, a detection system 9b, and a control device 10b. Position detection system 8b includes a code tape 11b and a reading device 12b. Detection system 9b includes a detectable cam 15b and a detection switch 16b. Note that when there is no need to distinguish between units 4a and 4b, they may simply be referred to as unit 4. Similarly, when there is no particular distinction between unit 4a and unit 4b, the equipment of each unit 4, such as control device 10a and control device 10b, and car 7a and car 7b, may be simply referred to as control device 10 and car 7, etc.

[0023] In this example, the car 7a of the unit 4a and the car 7b of the unit 4b are adjacent to each other in the horizontal projection plane, i.e., the car 7a and the car 7b are adjacent to each other in terms of their positional relationship when projected onto the horizontal plane from the vertical direction.

[0024] Before adjusting the floor height data, the control device 10 stores an initial value of the floor height data. The initial value of the floor height data is, for example, a designed stop position. The designed stop position is a designed position on the code tape 11 that corresponds to the landing position of each floor. The designed stop position is stored in advance, for example, before the installation of the control device 10. Note that in an elevator system 1 that is already in operation, the initial value of the floor height data may be the value of the floor height data that was used before the adjustment work was performed.

[0025] The adjustment of the floor height data is performed using one of the units 4 as a representative unit. In this example, the adjustment of the floor height data is performed using unit 4a as the representative unit. Unit 4a, which is the representative unit, is an example of the first unit. Unit 4b, which is not the representative unit, is an example of the second unit.

[0026] The offset learning in the unit 4a is a process of associating an offset position, which is the origin of the code tape 11a installed in the hoistway 2, with the position information on the code tape 11a. The offset position is, for example, a reference position. In the offset learning, the worker performing the adjustment manually drives the car 7a toward the reference position. Manual driving is performed, for example, via the control device 10a or a control panel installed inside the car 7a or at the landing 3. In this example, the worker drives the car 7a toward the bottom of the ascending / descending stroke. When the detection system 9a detects that the car 7a has reached the reference position, the control device 10a stops the car 7a. At this time, the position of the car 7a is at the reference position. The control device 10a associates the position on the code tape 11 read by the reading device 12a with the reference position, which is an offset position.

[0027] After that, the worker acquires floor height data in unit 4a. The worker automatically lands car 7a on one of the floors. The automatic landing operation is performed, for example, via a control panel installed inside car 7a. During automatic landing, control device 10a stops car 7 at a position where the position on code tape 11a read by reader 12a matches the initial value of floor height data. Here, due to building construction errors, installation errors of unit 4a, stretching of code tape 11a, or other reasons, a floor landing error may occur between the initial value of floor height data, such as the designed stopping position, and the actual floor landing position. When car 7a is stopped at a position corresponding to the initial value of floor height data, the worker measures the floor landing error between the height of the floor surface of car 7a and the height of the floor surface of hall 3. In unit 4a, the worker automatically lands car 7a on the floors, for example, from the lowest floor to the top floor, and measures the floor landing error for each floor.

[0028] The worker then inputs the floor landing error measured for each floor into the control device 10a. The control device 10a obtains new floor height data by correcting the initial value of the floor height data using the input floor landing error. The floor height data is represented, for example, by a relative position based on an offset position. The control device 10a uses the obtained floor height data to control the running of the car 7a. The control device 10a transmits the obtained floor height data to the group control device 17. The group control device 17 stores the floor height data transmitted from the control device 10a. The control device 10a may transmit the floor height data to the group control device 17 when requested by the group control device 17.

[0029] Thereafter, the worker performs work on unit 4b, which is not the representative unit. The worker performs offset learning on unit 4b. The offset learning on unit 4b is performed, for example, in the same manner as the offset learning on unit 4a.

[0030] Thereafter, the control device 10b acquires the floor height data acquired in the unit 4a from the control device 10a and stores it. The control device 10b uses the floor height data acquired from the unit 4a as the floor height data of the unit 4b to control the running of the car 7b. The control device 10b acquires the floor height data from the control device 10a, for example, through the group control device 17. The control device 10b requests the group control device 17 to transmit the floor height data, for example, after offset learning. The group control device 17 transmits the floor height data received from and stored by the control device 10a to the control device 10b, for example. Alternatively, the group control device 17 may request the control device 10a to transmit the acquired floor height data when requested by the control device 10b. Note that if the control devices 10a and 10b are capable of communicating without going through the group control device 17, the control device 10b may acquire the floor height data directly from the control device 10a.

[0031] If there is another unit 4, the worker performs the same tasks as for unit 4b, such as offset learning and acquiring floor height data from unit 4a.

[0032] The control device 10b may use the floor height data acquired from the control device 10a directly to control the running of the car 7b, or may correct the floor height data acquired from the control device 10a and then use it to control the running of the car 7b.

[0033] Next, an example of correction of floor height data will be described with reference to FIG. FIG. 3 is a diagram showing an example of correction of floor height data in the elevator system 1 according to the first embodiment.

[0034] In this example elevator system 1, each unit 4 has its car 7 land at a total of n floors, where n is a positive integer. In this example, the integer n is greater than 2. The total n floors include a first floor, a second floor, and an nth floor, which are different from one another. The first floor, the second floor, and the nth floor may be any floor of a building to which the elevator system 1 is applied, and may be, for example, the lowest floor of an elevation stroke including a basement floor, a ground floor leading to ground level, a transfer floor, the highest floor of an elevation stroke, or any other intermediate floor.

[0035] In the representative unit, the control device 10 learns position R as an offset position. The control device 10 also acquires position F1 as the landing position on the first floor. Position F1 can be expressed by decomposing it into an offset position R and a relative position (F1-R) as F1=R+(F1-R). The floor height data may include the value of the absolute position F1 or the value of the relative position F1-R. The control device 10 similarly acquires landing positions for other floors and stores them as floor height data. For example, the control device 10 acquires position F2 as the landing position on the second floor and position Fn as the landing position on the nth floor.

[0036] In the other units 4 that are not the representative unit, the control device 10 learns position r as the offset position. The control device 10 acquires floor height data from the representative unit and sets it as information on the floor landing position to be used in controlling the corresponding car 7. The control device 10 sets position f1 as the floor landing position of the first floor. The control device 10 sets the value of position f1 as f1 = r + (F1 - R) based on the offset position r and the relative position (F1 - R) of the floor height data. The control device 10 similarly sets floor landing positions for the other floors using floor height data acquired from the representative unit. For example, the control device 10 sets position f2 = r + (F2 - R) as the floor landing position of the second floor, and position fn = r + (Fn - R) as the floor landing position of the nth floor.

[0037] When a unit 4 other than the representative unit performs correction, an operator measures position information read by the reading device 12 at at least two positions in that unit 4. This measurement is performed, for example, in the same way as the representative unit, by measuring the floor landing error and correcting the initial value of the floor height data using the floor landing error. The two positions are, for example, the floor landing position fj of the jth floor and the floor landing position fk of the kth floor. Here, the integers j and k are different integers between 1 and n. The jth floor and the kth floor are, for example, the top floor and the bottom floor of the ascent / descent process. The control device 10 of that unit 4 calculates the correction coefficient c using the floor landing position Fj of the jth floor and the floor landing position Fk of the kth floor included in the floor height data acquired by the representative unit. The control device 10 calculates the correction coefficient c as c=(fj-fk) / (Fj-Fk) based on the ratio of the distance between the corresponding unit 4 and the representative unit on the floor on the code tape 11. Note that the control device 10 may also calculate the correction coefficient c as c=(fj-r) / (Fj-R) using an offset position.

[0038] The control device 10 sets the position f1' as the landing position of the first floor after correction. The control device 10 sets the value of position f1' as f1' = r + c * (F1-R) based on the offset position r and the relative position (F1-R) of the floor height data multiplied by the correction coefficient c. The control device 10 similarly sets the landing positions for the other floors using the floor height data acquired from the representative unit. For example, the control device 10 sets the position f2' = r + c * (F2-R) as the landing position of the second floor, and the position fn' = r + c * (Fn-R) as the landing position of the nth floor.

[0039] FIG. 4 is a flowchart showing an example of the adjustment work of the floor height data in the elevator system 1 according to the first embodiment.

[0040] In step S0, a design stop position is set as an initial value of the floor height data in the control device 10 of each unit 4. The design stop position is set, for example, when the control device 10 is shipped from the factory. Thereafter, the processing for adjusting the floor height data proceeds to step S1.

[0041] In step S1, offset learning is performed on the representative unit 4a, after which the process for adjusting the floor height data proceeds to step S2.

[0042] In step S2, the worker measures the floor landing errors of all floors using the unit 4a. After that, the processing for adjusting the floor height data proceeds to step S3.

[0043] In step S3, the worker inputs the measured floor landing error information into the control device 10a. The control device 10a obtains new floor height data by correcting the initial value of the floor height data. The control device 10a transmits the obtained new floor height data to the group control device 17. The group control device 17 stores the received floor height data. Thereafter, the processing for adjusting the floor height data proceeds to step S4.

[0044] In step S4, offset learning is performed on the unit 4b that is not the representative unit. After that, the process for adjusting the story height data proceeds to step S5.

[0045] In step S5, it is determined whether the unit 4b is set to correct the floor height data. Whether or not to correct the floor height data is set in advance in the control device 10b by, for example, an administrator of the elevator system 1. If correction is to be performed, the processing for adjusting the floor height data proceeds to step S6. On the other hand, if correction is not to be performed, the processing for adjusting the floor height data proceeds to step S8.

[0046] In step S6, the worker measures the floor landing error of some floors using unit 4b. For example, the worker measures the floor landing error on two floors, the lowest floor and the top floor of the ascent / descent process. After that, the processing for adjusting the floor height data proceeds to step S7.

[0047] In step S7, the worker inputs the measured floor landing error information into the control device 10b. The control device 10b corrects the initial value of the floor height data to obtain new floor landing positions for some floors where floor landing errors were measured. The control device 10b calculates a correction coefficient based on the obtained floor landing positions and the floor height data obtained by the unit 4a. Thereafter, the processing for adjusting the floor height data proceeds to step S8.

[0048] In step S8, the control device 10b sets the floor height data using the floor height data acquired by the unit 4a, and then the processing for adjusting the floor height data is completed.

[0049] As described above, the elevator system 1 includes a plurality of units 4. Each unit 4 includes a car 7, a code tape 11, a reading device 12, and a control device 10. The car 7 travels up and down in the hoistway 2 during its ascending and descending stroke. The code tape 11 is arranged with its longitudinal direction facing up and down throughout its ascending and descending stroke in the hoistway 2. Up and down position information is provided on the code tape 11 along its longitudinal direction. The reading device 12 is provided in the car 7. The reading device 12 reads the up and down position from the code tape 11. The control device 10 controls the travel of the car 7 based on the floor height data and the up and down position read by the reading device 12. The floor height data is data that associates the landing position of each floor with the position information on the code tape 11. In the unit 4a, floor height data is acquired based on the up and down position read by the reading device 12 when the car 7a lands at each floor. In the unit 4b, the control device 10 controls the running of the car 7b using the floor height data acquired in the unit 4a.

[0050] With this configuration, even when there are multiple units 4, the floor height data for all floors acquired by the representative unit can be used by the other units 4, eliminating the need to measure floor height data for all floors in all units 4. This reduces the workload on workers performing adjustment work. Furthermore, by using floor height data that correlates the position on the code tape 11 with the floor landing position, the floor height data acquired by the representative unit can be used as is in the other units 4 without being affected by factors that vary greatly between units 4, such as differences in sheave diameter of the hoisting machine 5 and differences in elongation of the main rope.

[0051] Furthermore, in unit 4b, control device 10b corrects the floor height data acquired by unit 4a based on the distance between the vertical position read by reader 12b when car 7b lands on the first floor and the vertical position read by reader 12b when car 7b lands on the second floor. Control device 10b controls the travel of car 7b using the corrected floor height data. This configuration corrects for differences between units 4, such as installation error or elongation of code tape 11, thereby enabling more accurate control of the travel of car 7.

[0052] Furthermore, car 7a of unit 4a and car 7b of unit 4b are adjacent to each other in the horizontal projection plane. Since the difference in construction error between adjacent units 4 is particularly small, even when the floor height data acquired by unit 4a is used in unit 4b, the running of car 7b can be controlled with greater precision. Note that the representative unit and the other non-representative units that use the floor height data acquired by the representative unit do not have to be adjacent units 4.

[0053] The elevator system 1 also includes a group control device 17. The group control device 17 manages the operation of all of the multiple units 4. The group control device 17 transmits floor height data acquired by unit 4a to the control device 10 of unit 4b. With this configuration, floor height data can be transmitted via the group control device 17, eliminating the need to prepare new communication lines or the like that directly connect the units 4 together.

[0054] Next, an example of the hardware configuration of the elevator system 1 will be described with reference to FIG. FIG. 5 is a hardware configuration diagram of a main part of the elevator system 1 according to the first embodiment.

[0055] Each function of the elevator system 1 may be realized by a processing circuit. The processing circuit includes at least one processor 100 a and at least one memory 100 b. The processing circuit may include at least one dedicated hardware 200 in addition to or in place of the processor 100 a and the memory 100 b.

[0056] When the processing circuit includes the processor 100a and the memory 100b, each function of the elevator system 1 is realized by software, firmware, or a combination of software and firmware. At least one of the software and firmware is written as a program. The program is stored in the memory 100b. The processor 100a realizes each function of the elevator system 1 by reading and executing the program stored in the memory 100b. The program may be a program package including multiple subprograms, modules, libraries, or the like. The program may be a product itself, such as a program product, or may be included in the product.

[0057] The processor 100a is also called a CPU (Central Processing Unit), processing device, arithmetic unit, microprocessor, microcomputer, or DSP. The memory 100b is configured by, for example, a non-volatile or volatile semiconductor memory such as RAM, ROM, flash memory, EPROM, or EEPROM.

[0058] Where the processing circuitry comprises dedicated hardware 200, the processing circuitry may be implemented, for example, as a single circuit, multiple circuits, a programmed processor, parallel programmed processors, an ASIC, an FPGA, or a combination thereof.

[0059] Each function of the elevator system 1 can be realized by a processing circuit. Alternatively, all functions of the elevator system 1 can be realized collectively by a processing circuit. Some of the functions of the elevator system 1 may be realized by dedicated hardware 200, and other parts may be realized by software or firmware. In this way, the processing circuit realizes each function of the elevator system 1 by dedicated hardware 200, software, firmware, or a combination of these.

[0060] To summarize the above explanation, possible configurations of the technology according to the present disclosure include the configurations listed below as appendices. (Appendix 1) a plurality of units including a first unit and a second unit; Each of the plurality of units comprises: A car that travels up and down the elevator shaft throughout its ascent and descent. a code tape arranged with its longitudinal direction facing the vertical direction throughout the ascending and descending stroke of the elevator shaft, and having vertical position information assigned along the longitudinal direction; a reading device provided in the car and configured to read the vertical position from the code tape; a control device that controls the running of the car based on floor height data that associates the landing position of each floor with the position information on the code tape, and the vertical position read by the reading device; Equipped with In the first unit, the floor height data is acquired based on the vertical position read by the reading device when the car lands on each floor, In the second unit, the control device controls the running of the car using the floor height data acquired in the first unit. Elevator system. (Appendix 2) In the second unit, the control device corrects the floor height data acquired by the first unit based on the distance between the vertical position read by the reading device when the car lands on the first floor and the vertical position read by the reading device when the car lands on the second floor, and controls the running of the car using the corrected floor height data. 10. The elevator system of claim 1. (Appendix 3) The car of the first unit and the car of the second unit are adjacent to each other in a horizontal projection plane. 1. The elevator system of claim 1 or 2. (Appendix 4) A group control device that controls the overall operation of the plurality of units Equipped with The group management device transmits the floor height data acquired by the first unit to the control device of the second unit. 4. The elevator system of any one of claims 1 to 3. [Explanation of symbols]

[0061] 1 elevator system, 2 hoistway, 3 landing, 4, 4a, 4b unit, 5 hoisting machine, 6 main rope, 7, 7a, 7b car, 8, 8a, 8b position detection system, 9, 9a, 9b detection system, 10, 10a, 10b control device, 11, 11a, 11b code tape, 12, 12a, 12b reading device, 13 fixed end, 14 adjustment end, 15, 15a, 15b detected cam, 16, 16a, 16b detection switch, 17 group control device, 100a processor, 100b memory, 200 dedicated hardware

Claims

1. a plurality of units including a first unit and a second unit; Each of the plurality of units comprises: A car that travels up and down the elevator shaft throughout its ascent and descent. a code tape arranged with its longitudinal direction facing the vertical direction throughout the ascending and descending stroke of the elevator shaft, and having vertical position information assigned along the longitudinal direction; a reading device provided in the car and configured to read the vertical position from the code tape; a control device that controls the running of the car based on floor height data that associates the landing position of each floor with the position information on the code tape, and the vertical position read by the reading device; Equipped with In the first unit, the floor height data is acquired based on the vertical position read by the reading device when the car lands on each floor, In the second unit, the control device controls the running of the car using the floor height data acquired in the first unit. Elevator system.

2. In the second unit, the control device corrects the floor height data acquired by the first unit based on the distance between the vertical position read by the reading device when the car lands on the first floor and the vertical position read by the reading device when the car lands on the second floor, and controls the running of the car using the corrected floor height data.

10. The elevator system of claim 1.

3. the car of the first unit and the car of the second unit are adjacent to each other in a horizontal projection plane; 3. The elevator system according to claim 1 or 2.

4. A group control device that controls the overall operation of the plurality of units Equipped with the group management device transmits the floor height data acquired by the first unit to the control device of the second unit; 3. The elevator system according to claim 1 or 2.

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