JPH04246084A - Elevator door controller - Google Patents

Abstract

PURPOSE:To make passengers enter a cage which has reached without being confused in a group control elevator even if one cage reaches a platform first in the identical operating direction different from another cage which has been announced previously. CONSTITUTION:Inhibition relays B1-B3, its contacts B1b-B3b and so on are provided as a door opening period extension means which lengthens the door opening period of an elevator for another cage. When one cage reaches a platform first in the identical operating direction different from another cage which has been announced previously after previous announcement. The door opening period of the elevator for another cage different from previous announcement which has reached a platform first is lengthened, so it is possible for passengers to enter another cage without being confused and prevent the operating efficiency of the elevator from decreasing.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator door control device, and more particularly to a group control elevator door control device for group management of a plurality of cars.

0002

[Prior Art] In a group control elevator in which the operation of a plurality of cars is controlled and managed, an arrival forecasting light is provided for each car at the landing, and the arrival forecasting light indicates that the car will arrive at that floor. Before the arrival of the car, the arrival forecast light of the corresponding car is turned on to predict the arrival of the car and to display the driving direction. This type of group management system (assignment system) is disclosed, for example, in Japanese Patent Application Laid-Open No. 52-112950, and in this system, when a hall call occurs, the most suitable car to respond to the hall call is calculated. selected. Then, the arrival forecast light corresponding to the selected car on the floor where the hall call has occurred is turned on while also displaying the driving direction, thereby providing guidance to the passengers waiting on that floor.

0003

[Problem to be Solved by the Invention] In the above-mentioned conventional elevator, after the arrival warning light is displayed, the operation status of each car changes and other cars may arrive at the platform first. be. For example, after a certain car is assigned to a landing call and the corresponding arrival forecast light for that landing is lit and a warning display is performed, a car call occurs for another car on that floor, and the other car receives the call first. You may arrive at the boarding station. In such a case, the passenger who was waiting in front of the elevator door where the arrival warning light that was turned on first has to move to the position of another car that arrived earlier and get into the car. The predetermined opening time of the elevator door after arriving at the landing is set to, for example, 6 seconds, so if the two cars are located far apart, it will take time for the passenger to move, and the customer will be in a hurry. Confusion may occur due to people getting into the car or pressing the extension button to open the door over and over again, which may prevent smooth operation and reduce operating efficiency.

[0004] The present invention was made in view of the current state of operation of this type of group control elevator as described above, and its purpose is to prevent passengers from being confused even when a car different from the one announced in advance arrives at the landing. To provide an elevator door control device that allows a user to board an arriving car without waiting.

[0005]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides advance notice of the arrival of a car responding to a hall call at a landing, and when the car arrives at the hall, the door of the elevator is closed for a predetermined period of time. In an elevator door control device that closes after opening, if another car in the same driving direction that is different from the car for which the advance notice was given after the advance notice arrives at the landing first, the opening time of the elevator door for the other car is determined. The door opening time extension means is configured to extend the door opening time beyond the predetermined time.

[0006]

[Operation] With this structure, after advance notice of the arrival of a car responding to a hall call is notified, if another car in the same driving direction, which is different from the car for which the advance notice was given, arrives at the hall first. , the door opening time extension means is operated to extend the opening time of the elevator door for the other car beyond the predetermined opening time.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a circuit diagram showing the configuration of essential parts of the embodiment, and FIG. 2 is an explanatory diagram showing the operating state of an elevator car in the embodiment. Note that in order to simplify the explanation, 5 is shown in Figure 1.
Only the floor climbing circuit is shown. Further, FIG. 2 shows a case where three cars, No. 1 to No. 3, are operated over six floors.

In FIG. 1, H1a indicates that when the 5th floor ascending hall button is pressed and the No. 1 car is assigned to that call,
H2a is the normally open contact of the assigned relay that is energized until the 1st car arrives at the landing on the 5th floor, H2a is the normally open contact of the same assigned relay as the 1st car for the 2nd car, and H3a is the 1st contact for the 3rd car. It is a normally open contact of an assignment relay similar to . C
1a1 and C1a2 respond to the landing call or car call on the 5th floor when Unit 1 ascends, and respond to the call for a predetermined period of time (
normally open contact of an extension relay energized (e.g. for 10 seconds), C
2a1 and C2a2 are normally open contacts of an extension relay for the second machine similar to the first machine, and C3a1 and C3a2 are normally open contacts of the extension relay for the third machine similar to the first machine.

[0009] Also, A12, A13, A21, A23,
A31 and A32 are relays, A12a and A13a
, A21a, A23a, A31a and A32a are normally open contacts of the relay relays, B2 and B3 are blocking relays, and B1b, B2b and B3b are normally closed contacts of the blocking relays. Further, DR1, DR2, and DR3 are door closing circuits for the first to third machines, respectively, and in normal operating conditions, a closing command is issued 6 seconds after the door is fully opened.

As shown in FIG. 1, a normally closed contact H1a, a normally open contact C2a1, and a relay relay A21 are connected in series between DC power supply terminals P and N, and a normally open contact H1a and a normally open contact C2a1 A normally open contact C3a1 and a relay relay A31 are connected in series between the connection point and the DC power supply terminal N. In addition, a normally open contact H2 is connected between DC power terminals P and N.
a, normally open contact C1a1 and relay relay A12 are connected in series with each other, normally open contact H2a and normally open contact C1a
A normally open contact C3a2 and a relay relay A32 are connected in series between the connection point No. 1 and the DC power supply terminal N. and,
Between DC power terminals P and N, normally open contact H3a, normally open contact C
1a2 and the relay relay A13 are connected in series with each other, and the normally open contact C2a2 and the relay relay A2 are connected between the connection point of the normally open contact H3a and the normally open contact C1a2 and the DC power supply terminal N.
3 are placed in series with each other.

Similarly, a normally open contact A12a and a blocking relay B1 are connected in series between DC power supply terminals P and N, and a normally open contact A13a is connected in parallel to the normally open contact A12a. In addition, a normally open contact A is connected between DC power terminals P and N.
21a and blocking relay B2 are connected in series with each other, and a normally open contact A23a is connected in parallel to the normally open contact A21a. A normally open contact A is connected between DC power terminals P and N.
31a and blocking relay B3 are connected in series with each other, and a normally open contact A32a is connected in parallel to the normally open contact A31a.

Further, between the DC power terminals P and N, a series connection circuit of normally closed contact B1b and door closing circuit DR1, normally closed contact B
Series connection circuit between 2b and door closing circuit DR2 and normally closed contact B
3b and a series connection circuit of the door closing circuit DR3 are connected in parallel to each other. In FIG. 2, the floors from the first floor to the sixth floor are shown vertically, and in the same figure, the ● marks indicate car calls, and the + and - marks indicate hall calls for ascending and descending, respectively. Also,
CG1 is car No. 1, stopped on the 1st floor, and is shown responding to a call on the 5th floor in the ascending direction. Similarly,
CG2 is Unit 2, stopped on the 4th floor, and responds to a landing call on the 2nd floor going down, and CG3 is Unit 3, stopped on the 3rd floor, responding to a call on the 5th floor going up. It is shown. Then, by calculation in an arithmetic circuit (not shown), car No. 3 is assigned to a hall call on the 5th floor, and car No. 2 is assigned to a hall call on the 1st floor. Also, 1
A car call on the 5th floor occurred in Unit CG1, and 1 car call occurred in Unit 2.
A car call is occurring on the floor.

Next, the operation of the embodiment will be explained from the time when a call generation state as shown in FIG. 2 is reached. Since a landing call + in the ascending direction occurred on the 5th floor and Unit 3 CG3 was assigned to it, the assigned relay was energized and the normally open contact H3a was closed. An arrival forecasting light (not shown) lights up to give advance notice of the arrival of the No. 3 car at the landing, and the passengers wait in front of the elevator door of the No. 3 car. At this time, a car call on the 5th floor occurs in another car (car No. 1) that is ascending, but if the car arrives as scheduled and car No. 3 arrives at the landing on the 5th floor first, As will be explained below, the elevator door of No. 3 will remain open for a predetermined period of 6 seconds as usual.

[0014] In this case, the car call on the 5th floor occurs in the first car when it ascends, so the extension relay is energized.
Normally open contact C1a2 is closed and relay relay A13 is energized, so normally open contact A13a is closed. Normally open contact A13a
Due to the closing of , the blocking relay B1 is energized, so that the normally closed contact B1b is opened, and the operation of the door closing circuit DR1 is blocked. If Unit 3 arrives at the 5th floor landing first in this state, the assignment continuation relay is deenergized, so the normally open contact H
3a is opened and relay relay A13 is deenergized. In this way, the relay relay A13 is deenergized, so the normally open contact A1
3a is opened and the energized blocking relay B1 is deenergized, so the normally closed contact B1b is closed again and the door closing circuit DR1 is closed.
is restored to working condition.

[0015] Therefore, the elevator door of No. 3, which arrived at the 5th floor landing first, opens for a predetermined time of 6 seconds, and the passengers waiting in front of the elevator door of No. 3 immediately get into the car and return to their destination. You can go to the floor. Since the door closing circuit DR1 has been restored to its normal operating state by the time the No. 3 car arrives, the elevator door of the No. 1 car, which arrives at the 5th floor landing following the No. 3 car, also opens and closes normally.

[0016] Next, for some reason, the 1st machine following the 3rd machine
A case in which the No. 1 car arrives at the 5th floor landing first will be explained. In this case, as mentioned above, the extension relay is energized by the car call on the 5th floor that occurs in Unit 1, and the normally open contact C1a2
is closed, relay relay A13 is energized, and normally open contact A13
a is closed. Closing of the normally open contact A13a energizes the blocking relay B1, so the normally closed contact B1b is opened and the operation of the door closing circuit DR1 is blocked. In this case, the 1st car arrives at the 5th floor landing first, and at this time, the 3rd car has not yet reached the 5th floor landing, so the assignment continuation relay is energized and the normally open contact H3a is closed. ing.

Therefore, when the first car arrived at the landing on the 5th floor, the relay relay A13 was energized and the normally open contact A13
When gate a is closed, blocking relay B1 is also in an energized state, normally closed contact B1b is open, and door closing circuit DR1 is not activated. Therefore, in this case, the extension relay is energized for 10 seconds after Unit 1 arrives at the 5th floor landing and the elevator door opens, and after 10 seconds, the extension relay is deenergized and the normally open contact C
1a2 is opened and relay relay A13 is deenergized. When the relay relay A13 is deenergized, the normally open contact A13a is opened, so the blocking relay B1 is deenergized, the normally closed contact B1b is closed, and the door closing circuit DR1 is activated, and the elevator door of No. 1 is closed. Closes after seconds.

[0018] In this case, the passenger who was waiting in front of the elevator door of car No. 3 knows that car No. 1 has arrived at the 5th floor landing first, moves to car No. 1 and gets into the car, but the above-mentioned As shown in Figure 1, the opening time of the elevator door in Unit 1 is extended, so there is no confusion caused by people rushing to board the elevator or pressing the extension button to open the door over and over again, and the elevator runs smoothly. There is no reduction in operating efficiency.

In the embodiment, only the 5th floor ascending circuit is shown in FIG. 1, and only the case of ascending operation is explained, but in reality, the present invention is applicable to the ascending operation circuit and descending operation circuit for all floors. It is equipped with a circuit section and is applicable to the ascending and descending operations of all cars to each floor. Additionally, the extended opening time of elevator doors is not limited to 10 seconds.
The optimum value can be set depending on the arrangement of each car and the number of customers.

[0020]

[Effects of the Invention] In the present invention, after advance notice of the arrival of a car at the landing is given, if another car in the same driving direction, which is different from the car for which the advance notice was given, arrives at the hall first, the door opening time extension means is used to extend the door opening time to the other car. Since the opening time of the elevator door relative to the car is extended, there will be no confusion caused by passengers rushing to board the car or pressing the door opening extension button repeatedly, and the elevator will operate smoothly. This prevents the operational efficiency from decreasing.

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram showing the configuration of essential parts of an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing the operating state of an elevator car in an embodiment of the present invention.

[Explanation of symbols]

CG1 Unit 1 CG2 Unit 2 CG3 Unit 3 A12-A32 Relay relay B1~B3 Blocking relay DR1~DR3 Door closing circuit

Claims (1)

[Claims] Claims: 1. An elevator door control device that gives advance notice of the arrival of a car in response to a hall call at a landing, and when the car arrives at the hall, opens an elevator door for a predetermined time and then closes the elevator door, wherein the elevator door is closed after the advance notice is given. If another car in the same driving direction different from the car for which advance notice is given arrives at the hall first, the door opening time extension means extends the opening time of the elevator door for the other car beyond the predetermined time. An elevator door control device featuring: