JP2007302427A - Control device of elevator and method of controlling elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a control device of an elevator capable of surely preventing foreign matters from being caught between the sills of a landing door and a car door during the landing correcting operation. <P>SOLUTION: This control device comprises a car floor height detection means 11 for detecting a car floor height when the car of the elevator gets landed, a floor displacement calculation means 13 for calculating a floor displacement based on the car floor height detected by the car floor height detection means 11 and the landing floor height of a landing to which a car 4 gets landed, and a control means 15 for performing, as required, the landing correcting operation after a door closing operation based on the floor displacement calculated by the floor displacement calculation means 13. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an elevator control device that automatically corrects a height deviation between a floor surface of a car and a floor surface of a landing when the elevator car is landed, and a control method therefor.

  Generally, in an elevator apparatus, a landing door provided at each landing of the elevator is driven by a door driving device provided in a car that moves up and down in the hoistway. That is, at the time of landing of the car, the driving force of the door driving device that drives the car door is obtained by engaging the landing side engaging body provided on the landing door and the car side engaging body provided on the car door. It is transmitted to the landing door via an engaging device composed of the landing-side engaging body and the car-side engaging body. And between the platform side sill that guides the platform door and the car side sill that guides the car door, in order to avoid collision with each tip of the engagement device when the car is raised and lowered, it crosses in the frontage direction. Thus, a predetermined gap is formed.

  However, if the width of the gap formed between the platform side sill and the car side sill is wide, for example, when a user getting on and off the car uses a wheelchair, or a carriage is used for serving at a hospital, etc. When using the wheel, a wheel such as a wheelchair is caught in the gap, which causes inconvenience in getting on and off the car.

  Therefore, as a conventional technique for solving the above-described problem, by attaching uneven auxiliary sills to the landing side sill and the car side sill according to the arrangement of the engagement devices provided on the landing door and the car door, The thing which reduced the width | variety of the gap | interval formed between a cage | basket | car side sill over the frontage direction is proposed (for example, refer patent document 1).

JP 2004-269218 A

  In the thing of patent document 1, the clearance gap formed between a boarding side sill and a cage | basket | car side sill can be reduced by an auxiliary sill, and it becomes possible to prevent the wheelchair of a wheelchair etc. being caught.

  On the other hand, the elevator system detects a height shift between the floor of the car and the floor of the landing (hereinafter referred to as “floor slip”) when the car is landed, and the detected floor slip exceeds a predetermined value. In some cases, there is a device that is equipped with a landing correction device that automatically corrects the floor slip and sets the amount of floor slip within a predetermined range. When the auxiliary sill described in Patent Document 1 is attached to an elevator apparatus equipped with such a landing correction device, particularly when the amount of floor displacement at the time of landing on the car is equal to or greater than the thickness of the auxiliary sill. Between the landing side auxiliary sill provided on the landing side sill and the car side auxiliary sill provided on the landing side sill during the automatic correction of floor slippage (hereinafter referred to as “landing correction operation”) There is a problem that foreign matter is easily caught between the two.

  It is possible to solve the above problem by increasing the thickness of each auxiliary sill sufficiently, but the auxiliary sill becomes expensive and sufficient space is required to install the auxiliary sill on the landing side. There was a problem that the minimum floor height possible was large.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator that can reliably prevent foreign matter from being caught between the landing door and the car door during the landing correction operation. It is providing the control apparatus and control method of an elevator.

  The elevator control device according to the present invention includes a car floor height detecting means for detecting a car floor height when the elevator car is landed, and the car floor height and the car detected by the car floor height detecting means. Based on the landing floor height of the landing floor, the floor displacement amount calculating means for calculating the floor displacement amount, and the floor correction amount calculated by the floor displacement amount calculating means, when necessary, the landing correction operation is performed after the door closing operation is performed. Control means to be implemented.

  The elevator control method according to the present invention is based on the step of detecting the car floor height when the elevator car is landed, and the detected car floor height and the landing floor height of the landing on which the car is landed. Thus, the method includes a step of calculating the amount of floor slip and a step of performing a landing correction operation after the door closing operation is performed by the control means based on the calculated amount of floor slip.

  The present invention relates to a car floor height detecting means for detecting a car floor height when the elevator car is landed, a car floor height detected by the car floor height detecting means, and a landing floor of the landing on which the car is landed. A floor slip amount calculating means for calculating a floor slip amount based on the height, and a control means for performing a landing correction operation after the door closing operation when necessary based on the floor slip amount calculated by the floor slip amount calculating means; With this configuration, it is possible to reliably prevent foreign matter from being caught between the thresholds of the landing door and the car door during the landing correction operation.

  In order to explain the present invention in more detail, it will be described with reference to the accompanying drawings. In addition, in each figure, the same code | symbol is attached | subjected to the part which is the same or it corresponds, The duplication description is simplified or abbreviate | omitted suitably.

Embodiment 1 FIG.
FIG. 1 is a side view showing an elevator doorway apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a block diagram showing an elevator control apparatus according to Embodiment 1 of the present invention. 1 and 2, 1 is an elevator hall, 2 is a hall door provided at the hall 1, and a hall door that opens and closes a hall entrance / exit formed at the hall 1, 3 is provided at the hall 1, and an upper surface thereof is a floor surface of the hall 1. 1a, a landing side sill that guides the lower end of the landing door 2 when the landing door 2 is opened and closed, 4 is a car that moves up and down in the hoistway, 5 is provided in the car 4, A car door 6 that opens and closes the formed car doorway is provided in the car 4, and the upper surface thereof is arranged substantially flush with the floor surface 4 a of the car 4, and the lower end portion of the car door 5 is opened when the car door 5 is opened and closed. It is a cage side threshold to guide. FIG. 1 shows a state where the car 4 has landed on the landing 1.

  Here, the landing door 2 and the car door 5 are opened and closed by a door driving device (not shown) provided in the car 4. That is, when the car 4 is landed on the landing 1, the landing-side engagement body 7 provided on the side surface of the landing door 2 on the side of the car 4, and the car-side engagement body 8 provided on the side surface of the landing side 1 of the car door 5. Are engaged with each other, the driving force of the door driving device for driving the car door 5 is transmitted to the landing door 2 via the engaging device including the landing side engaging body 7 and the car side engaging body 8. The landing door 2 is opened and closed in conjunction with the opening and closing operation of the car door 5. In general, the landing-side engagement body 7 protrudes from the landing door 2 toward the car 4 side, and the car-side engagement body 8 protrudes from the car door 5 toward the landing 1 side. Moreover, in order to avoid the collision at the time of raising / lowering of the cage | basket | car 4, the landing side engaging body 7 and the cage side engaging body 8 are arrange | positioned in the position which does not interfere on a vertical projection surface. One of the landing side engaging body 7 and the car side engaging body 8 is disposed on the other side of the other on the vertical projection plane, and the car side engaging body 8 urges the landing side engaging body 7, thereby The driving force is transmitted from the car door 5 to the landing door 2.

  In addition, 9 is provided across the entrance direction of the landing side sill 3, and the landing side auxiliary sill that protrudes further toward the car 4 side from the car 4 side end surface of the landing side sill 3, 10 is the car side sill 6. It is a car side auxiliary sill provided across the frontage direction and projecting further from the end face of the car side sill 6 toward the hall 1 side. The platform side auxiliary sill 9 and the car side auxiliary sill 10 reduce the gap formed between the platform side sill 3 and the car side sill 6 when the car 4 lands, It is provided to prevent this.

  In order to avoid contact between the landing side auxiliary sill 9 and the car side engaging body 8 and the contact between the car side auxiliary sill 10 and the landing side engaging body 7 when the car 4 is lifted, the landing side auxiliary sill 9 A part of the passenger side auxiliary sill 10 is formed in a concavo-convex shape in accordance with the arrangement of the engaging bodies 7 and 8, and the landing side auxiliary sill 9, the car side engaging body 8, and the car side auxiliary sill 10. And the landing-side engaging body 7 are arranged at positions where they do not interfere with each other on the vertical projection plane. For example, when the car-side engagement bodies 8 are arranged on both sides of the landing-side engagement body 7 on the vertical projection plane, the width of the car-side engagement body 8 is set directly below the landing-side engagement body 7 of the landing-side auxiliary sill 9. A small convex part is formed toward the car 4 side, and a concave part larger than the width of the landing side engaging body 7 is formed directly below the car side engaging body 8 of the car side auxiliary threshold 10. It is arrange | positioned facing the convex part.

  Reference numeral 11 denotes the height of the floor surface 4a of the car 4 (hereinafter referred to as "car") based on the output of a rotary encoder provided in a hoisting machine (not shown) when the car 4 is landed on the landing 1. Car floor height detection means for detecting the floor height ”, 12 is a storage unit in which the height of the floor surface 1a of each elevator landing 1 (hereinafter referred to as“ the landing floor height ”) is stored; 13 Based on the car floor height detected by the car floor height detection means 11 and the landing floor height of the landing 1 on which the car 4 is landed, a floor displacement amount calculation means 14 calculates a floor displacement amount calculation means 14. 13 is a landing correction operation determining means for determining whether or not the floor correction operation is performed and whether or not the floor correction operation is necessary when the door is closed. Based on the determination by the operation determination means 14, the landing correction operation Or implemented, a control means or initiate landing correction operation after the door closing operation at a main.

  Here, the landing correction operation determining means 14 indicates a predetermined landing correction operation range for determining whether or not to perform the landing correction operation and the necessity of the landing correction operation in the door-closed state. A predetermined door closing operation regulation value for determination is set in advance. Note that the door closing operation regulation value is a value within the above landing correction operation range. Then, the landing correction operation determining means 14 determines that the landing correction operation is performed when the floor deviation amount calculated by the floor deviation amount calculating means 13 is within the landing correction operation range, and the floor deviation amount is determined. Is within the range of the landing correction operation and exceeds the door closing operation regulation value, it is determined that the landing correction operation is performed in the door closed state.

  Next, the operation of the elevator control apparatus having the above configuration will be described. FIG. 3 is a flowchart showing the operation of the elevator control apparatus according to Embodiment 1 of the present invention. In FIG. 3, when the car 4 stops at the landing 1 on an arbitrary floor (step S101), the car floor height detecting means 11 detects the car floor height. In the floor displacement amount calculation means 13, the floor displacement amount between the car 4 and the landing 1 is based on the above-described car floor height detected by the car floor height detection means 11 and the landing floor height of the landing 1 where the car 4 has landed. Is calculated.

  Then, the landing correction operation determining means 14 first determines whether or not to perform the landing correction operation based on the floor shift amount calculated by the floor shift amount calculating means 13 (step S102). Specifically, when the floor slip amount between the car 4 and the landing 1 calculated by the floor slip amount calculating means 13 is a value within a predetermined landing correction operation range, it is determined that the landing correction operation is performed. . If the amount of floor slip between the car 4 and the landing 1 is outside the landing correction operation range, it is determined that the landing correction operation is not performed, and the landing correction operation is not performed by the control unit 15. The elevator will continue to operate.

  When the landing correction operation determining means 14 determines to execute the landing correction operation, the landing correction operation in the door-closed state is then performed based on the floor deviation amount calculated by the floor deviation amount calculating means 13. The presence / absence of necessity of operation is determined (step S103). Specifically, when the amount of floor slip between the car 4 and the landing 1 calculated by the floor slip amount calculating means 13 exceeds a predetermined door closing operation specified value, the landing correction operation is performed in the door closed state. Make a decision. In such a case, the landing correction operation is performed by the control means 15 in the door-closed state (step S104).

  That is, the control means 15 first detects the opening / closing states of the landing door 2 and the car door 5 after receiving a decision from the landing correction operation determining means 14 to execute the landing correction operation in the door closed state. Then, when the landing door 2 and the car door 5 are in the open state, the landing correction operation is started after the door closing operation is performed. When the door is closed, the landing correction operation is performed with the door closed.

  On the other hand, when the amount of floor slip between the car 4 and the landing 1 calculated by the floor slip amount calculating means 13 is equal to or less than a predetermined door closing operation prescribed value, the landing correction operation determining means 14 performs the floor correcting operation in the door closed state. The decision is made that there is no need. In such a case, the control means 15 performs the landing correction operation with the door open state maintained in the door open state, and with the door closed state maintained in the door closed state (step S105).

  According to the first embodiment of the present invention, the landing correction operation is started after the door closing operation when necessary based on the floor displacement amount calculated by the floor displacement amount calculating means 13. Therefore, it is possible to reliably prevent foreign matter from being caught between the landing side auxiliary threshold 9 and the car side auxiliary threshold 10 during the landing correction operation. In addition, in Embodiment 1, although the case where the landing side auxiliary sill 9 and the car side auxiliary sill 10 were provided was demonstrated, even if it is a case where each auxiliary sill 9 and 10 are not provided, the same effect Play. However, when each of the auxiliary thresholds 9 and 10 is provided, there is a possibility that passengers get in between their feet and the like, which is particularly effective. In the first embodiment, the auxiliary sills 9 and 10 and the sills 3 and 6 have been described as separate parts, but it goes without saying that the same effect can be obtained even when they are configured integrally.

  Further, when the floor slip amount calculated by the floor slip amount calculating means 13 is within a predetermined landing correction operation range and exceeds a predetermined door closing operation prescribed value, the control means 15 corrects the landing after the door closing operation. Operation starts. Therefore, a foreign object enters between each auxiliary sill 9 and 10 by setting the said door closing operation regulation value to the same value as the thickness of each auxiliary sill 9 and 10 or a value smaller than the said thickness, for example. This can be surely prevented. In addition, even if the floor displacement amount is within the landing correction operation range, if the door closing operation prescribed value is not exceeded, the landing correction operation is performed regardless of the door opening / closing state. Therefore, the door closing operation can be performed only when necessary, and a safe service can be provided without reducing the operation efficiency.

  The landing correction operation is performed when the car 4 stops at the landing 1 or when the car 4 sinks due to getting on and off of a passenger carrying heavy loads. The For this reason, when the door 4 is provided when the car 4 is landed and before the car 4 is stopped, the landing correction operation determining means 14 performs the landing correction operation. The state of the landing door 2 and the car door 5 at the time of determination is always in the door open state. Therefore, when the door driving device having the above-described configuration is provided, this is a particularly effective means.

It is a side view which shows the entrance / exit device of the elevator in Embodiment 1 of this invention. It is a block block diagram which shows the control apparatus of the elevator in Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the control apparatus of the elevator in Embodiment 1 of this invention. It is a principal part side view which shows the doorway apparatus of the conventional elevator.

Explanation of symbols

1 landing 1a floor 2 landing door 3 landing side sill 4 car 4a floor 5 car door 6 car side sill 7 landing side engaging body 8 car side engaging body 9 landing side auxiliary sill 10 car side auxiliary sill 11 car floor height detection Means 12 Storage unit 13 Bed displacement amount calculating means 14 Landing correction operation determining means,
15 Control means

Claims (6)

A car floor height detecting means for detecting the car floor height when the elevator car is landed;
A floor slip amount calculating means for calculating a floor slip amount based on the car floor height detected by the car floor height detecting means and the landing floor height of the landing on which the car has landed;
Based on the amount of bed slip calculated by the bed slip amount calculating means, when necessary, control means for starting the landing correction operation after the door closing operation;
An elevator control device comprising:   The elevator control device according to claim 1, further comprising: a door driving device that is provided in an elevator car and starts a door opening operation before the car stops when the car is landed. An engagement device which is provided at a landing door and a car door of an elevator, and interlocks the opening / closing operation of the car door with the landing door;
A landing side threshold for guiding the landing door;
A car side threshold to guide the car door;
Reduced gap formed between the platform side sill and the car side sill when the car is landed so as not to contact the engagement device when the car is raised or lowered An auxiliary threshold,
The elevator control device according to claim 1 or 2, further comprising: Detecting the car floor height when landing the elevator car;
Calculating a floor slip amount based on the detected car floor height and the landing floor height of the landing floor where the car has landed;
Based on the calculated amount of floor slip, starting the landing correction operation after the door closing operation by the control means, when necessary,
An elevator control method comprising:   The elevator control method according to claim 4, further comprising a step of starting a door opening operation before the car stops when the elevator car is landed.   The control means performs the landing correction operation when the floor slip amount calculated by the floor slip amount calculating means is within a predetermined range, and when the floor slip amount exceeds a predetermined specified value, the door closing operation is performed. 6. The elevator control device or the elevator control method according to claim 1, wherein the landing correction operation is started later.

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