JPH0731771U - Elevator door controls - Google Patents

Abstract

(57) [Abstract] [Purpose] When a car call and a hall call are registered at the same floor at the same time, the passengers at the hall can extend the door-closing start operation for a predetermined time from the time when the passenger starts getting on, and it is efficient. Provided is a door control device for an elevator that performs a door closing operation. [Configuration] When a car call CGa and a hall call HLG on the same floor are registered at the same time and the car boarding detection device 5a operates, the relay AX is energized, a timer T2 operates after a certain period of time, and the contact T2a closes and the door closes. The command relay CL is energized to start the door closing operation.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an elevator door control device.

[0002]

[Prior art]

 As disclosed in Japanese Utility Model Laid-Open No. 3-130280, for example, an elevator door is automatically opened by a timer regardless of the number of passengers of the elevator, and the door is closed after a predetermined time. The start command was issued. This door opening time is generally set to 2 seconds when a car call is registered, that is, when a passenger from the car dismounts, and when a hall call is registered, that is, when a passenger from the hall receives a car. When getting in, it is set to 3 seconds.

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional technology, the door opening time is set to 3 seconds at the same time both when the hall call is registered and when the hall call and the car call are registered on the same floor. Therefore, in the latter case, when there are many passengers getting out of the car, the doors start to close before getting into the car from the hall, and there is a problem that the passengers at the hall cannot get into the car.

The object of the present invention is to efficiently change the door opening time and close the door so that all passengers in the hall can get in when the hall call and the car call are registered at the same floor at the same time. An object of the present invention is to provide an elevator door control device that operates.

[0005]

[Means for Solving the Problems]

 The purpose of this is registration detection means for detecting that a car call and a landing call on the same floor have been registered at the same time in an elevator door control device that opens the elevator door and performs a door-closing start operation after a predetermined time. And a door-closing means for performing a door-closing start operation after a certain time has passed after the boarding detection means for detecting that a passenger has boarded in the elevator car from the hall, the registration detection means, and the boarding means operate simultaneously. It is achieved by having.

[0006]

[Action]

 If a car call and a hall call are registered at the same floor at the same time, passengers from inside the car will start to get off, and at the end of the ride, passengers at the hall will start to get on the car. Since the door opening time is extended for a certain period of time, for example, 2.5 seconds from the time when the passenger starts riding, all passengers from the landing can board the car.

As described above, since the door opening time is set from the time when the passenger at the hall gets in the car, the door can be efficiently closed.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS. In this embodiment, the door opening time is the same for both closing and opening.

FIG. 3 is an operation explanatory view showing a load change of the passenger in the car. When a car call and a hall call are registered on the same floor, the weight in the car is as shown in Fig. 3, and when the car stops at a predetermined floor at time t0, passengers in the car drop off from time t1. At the beginning, the load M01 begins to decrease like the load M12, the passenger finishes descending at the time t2 to become the load M23, and then at the time t3, the passenger at the hall starts to ride in the car and increases like the load M34. At the beginning, at time t4, the passenger finishes riding, the load becomes M4, and the door starts to close.

FIG. 2 is a block diagram of a boarding detection device that detects a time t3 at which a passenger starts riding in a car. In the figure, 1 is a car, and 2 is a load detector provided in the lower part of the car 1. When a passenger gets in and out of the car 1, a load output as shown in FIG. 3 is generated. This load output is differentiated by the differentiating circuit 3, the increment is determined by the direction determining circuit 4, that is, the load M34 is determined, the time t3 is detected by the relay circuit 5, and the time when the passenger at the hall gets into the car 1 Can be detected.

FIG. 1 is an electrical connection diagram of an embodiment according to the present invention. In the figure, P and N are DC power supply terminals, OSa1 and OSa2 are a contacts of a relay (not shown) that detects the open end of the door, and T1 is a timer for opening the door that operates after the door is fully opened. , T1a is its a contact, CL is a relay for the door closing command, CLa is its a contact, C Sb is the b contact of a relay (not shown) that detects the closed end of the door, CGa, HLG are car calls and An a contact point of a relay (not shown) that is activated when the hall call is registered, 5a is an a contact point of the relay circuit 5 of the boarding detection device, AX is an auxiliary relay, AXa1 and AXa2 are its a contact points, and AXb is The b contact, T2, is a timer that operates after the passenger starts getting in the car, and is set to 2.5 seconds, for example, and T2a is the a contact.

Next, the operation of this embodiment will be described.

First, a case where a hall call is registered and a passenger gets on a car from the hall will be described. When the user operates a hall button (not shown) of the hall, the hall call is registered and the contact HLa is closed. The car 1 stops on the predetermined floor and the door opens. There, passengers at the landing begin to ride in car 1. On the other hand, when the contact OSa1 closes and the timer T1 starts counting, after 3 seconds elapses, the timer T1 is energized and self-held by the contact CLa, and the control device (not shown) starts closing the door, and when the end is closed, the contact CSb is closed. Open and relay CL is de-energized. The contact HLa and the contact 5a are also closed, but the contact CGa is open, so the relay AX is irrelevant.

Next, a case will be described in which a car call and a hall call on the same floor are registered at the same time, a passenger gets out of the car, and a passenger gets into the car 1 from the hall. When the car call and the hall call are registered, the contact CGa and the contact HLa are closed. When the car 1 stops on the predetermined floor and opens the door, passengers in the car 1 start to get off. Then, the weight in the car 1 decreases like a load M 12, the passenger finishes riding, and then when the passenger in the hall gets in the car 1, the weight increases like a load M 34, and at time t 3, the relay circuit 5 Operates and the contact 5a closes. Therefore, the relay AX is energized by the circuit of P-CGa-HLa-5a-OSa2-AX-N and self-held by the contact AXa1. The contact AX a2 is closed and the timer T2 starts counting. On the other hand, the contact AXb opens and the timer T1 becomes invalid. After 2.5 seconds, the timer T2 is energized, the contact T2a is closed, and the relay CL is energized by the circuit P-T2a-CSb-CL-N, and the door starts to close in the same manner as above.

As described above, when the car call and the hall call are registered, the passengers in the hall issue a door-closing command after a certain period of time has passed since the passengers started getting on the car. It is possible to efficiently change the door opening time according to.

In this embodiment, the time t3 at which the passenger gets in is detected by changing the load in the car 1. However, the time t3 when the passenger gets in the car 1 is also detected by blocking the photoelectric beam installed at the entrance of the car 1. can do.

[0017]

[Effect of device]

 As described above, according to the present invention, when a car call and a landing call are registered on the same floor, a door closing start command is issued after a certain period of time has passed since the passengers in the landing board the car. With this configuration, the door opening time can be efficiently changed according to the number of passengers in the car, and the operation efficiency of the elevator can be improved.

[Brief description of drawings]

FIG. 1 is an electrical connection diagram of an elevator door control device according to an embodiment of the present invention.

FIG. 2 is a block diagram of a passenger boarding detection device for passengers according to the embodiment.

FIG. 3 is an operation explanatory diagram of a load change of the load detector.

[Explanation of symbols]

 1 basket 2 load detector 5 relay circuit AX auxiliary relay CL door closing command relay T1 timer T2 timer

Claims (1)

[Scope of utility model registration request] 1. A registration detecting means for detecting that a car call and a landing call on the same floor are registered at the same time in an elevator door control device which performs a door-closing start operation after an elevator door is opened and after a predetermined time. , A door closing means for detecting that a passenger gets into the elevator car from a landing, a door closing means for performing a door closing start operation after a certain period of time after the registration detecting means and the boarding means operate simultaneously An elevator door control device characterized in that