JPH05229748A - Elevator control device - Google Patents

Abstract

PURPOSE:To reduce uneasiness and uncomfortableness of passengers in a cage as small as possible to increase reliability by providing a means to stop an elevator cage forcibly at a floor one floor before the lowest floor, which is one of the non-stop floors, and open its door when water in a drain tank is drained. CONSTITUTION:In an elevator control device, when a cage is returned back to the lowest floor of non-stop floors, it is judged by a comparison judgment circuit 5 that the lowest floor is detected to be one of the non-stop floors by means of a non-stop floor input circuit 3 and that the water in the drain tank is detected to be over 80% of full level by means of a water level detection circuit 4 so as to drain water in a drain tank. Thus the cage is once landed forcibly at a floor one floor before the lowest floor, and its door is opened by a forced stop/indicator lighting circuit 6, and a sign showing please step off when the door is open, etc., is given by indicator lamps provided in the cage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator control device in which an elevator car (hereinafter, simply referred to as a car) is equipped with an air-conditioning system and a drain system, and particularly when a bottom floor has a non-stop floor, If the car is pulled back to the lowest floor that is a non-stop floor when draining the water in the drain tank of the drain facility, make sure that passengers in the car are not trapped on that floor, The present invention relates to an elevator control device capable of reducing anxiety and discomfort as much as possible.

[0002]

2. Description of the Related Art Conventionally, elevators have been installed in many buildings, but recently, with the diversification of building designs, the walls of the car and the outer walls of the building are made of glass, and the inside and outside of the car are Elevators have been installed so that you can see the scenery and the elevation of the car from outside the building.

[0003] In this type of elevator, the temperature of the inside of the car rises due to direct sunlight, so many air conditioners such as coolers and air conditioners are usually installed in the car. .. In addition, as a drain facility, the car is equipped with a drain tank, and the drain tank drain valve is used when the car returns to the lowest floor so that the water in the drain tank does not overflow and overflows into the hoistway. Open the drain to drain the water in the drain tank, or install a water level detector in the drain tank, and when the water in the drain tank exceeds a specified amount (for example, 80% of the full water), the air conditioning equipment will start operating. To stop and drain the water in the drain tank,
After the final car call response, the car is pulled back to the bottom floor, and after returning to the bottom floor, the drain valve of the drain tank is opened to drain the water in the drain tank.

By the way, in an elevator equipped with this kind of air-conditioning equipment and having an operation function of draining water in the drain tank, when the lowest floor for draining work has a non-stop floor (for example, When the lower floor is closed due to tenants, etc.), when draining water from the drain tank when the lowest floor is not stopped There is a problem that the car door does not open for a second and the passengers in the car are trapped on the floor, resulting in anxiety and discomfort to the passengers in the car.

[0005]

As described above, in the conventional elevator control device, when the water in the drain tank of the drain equipment is drained, the elevator car is pulled back to the lowest floor which is the non-stop floor. In that case, there is a problem that passengers in the car are trapped on the floor, which gives the passengers in the car anxiety and discomfort.

The object of the present invention is to provide an elevator car with an air-conditioning facility having a non-stop floor on the bottom floor, when draining water in the drain tank of the drain facility, to the bottom floor which is the non-stop floor. If the passenger is pulled back, it will prevent passengers in the elevator car from being trapped on the floor,
An object of the present invention is to provide an extremely reliable elevator control device capable of reducing anxiety and discomfort of passengers in a car as much as possible.

[0007]

In order to achieve the above object, in an elevator having an elevator car equipped with an air conditioning system and a drain system, when the water in the drain tank of the drain system exceeds a predetermined amount, Elevator control with an operation function that stops the operation and pulls the elevator car back to the lowest floor, opens the drain valve of the drain tank with the elevator car closed at the lowest floor, and drains the water in the drain tank. In the device,

According to the first aspect of the invention, when the lowest floor has a non-stop floor, the elevator car is set to the highest level during the drainage operation of the water in the drain tank when the lowest floor is non-stop. It is provided with means for opening the door of the elevator car by forcibly stopping it on the floor one floor below the lower floor.

On the other hand, in the invention according to claim 2, when the lowest floor has a non-stop floor, the elevator car is set to the highest level during the drainage operation of the water in the drain tank when the lowest floor is non-stop. The floor of the elevator car is forcibly stopped on the first floor below the lower floor, the door of the elevator car is opened, and the passengers in the elevator car are provided with means for notifying that they will get off on the floor. .. Here, in particular, as the above means,
The notification means provided in the elevator car is used to notify by display, voice, or both display and voice.

[0010]

Therefore, in the elevator control device of the present invention, when the lowest floor for draining the water in the drain tank is the non-stop floor, the water in the drain tank exceeds a predetermined amount and the car is drained. When returning to the non-stop floor, forcibly stop it on the floor before the lowest floor and open the door of the elevator car, and if necessary, to passengers in the elevator car at that floor By notifying the passengers that they will be getting off, returning all passengers in the elevator car to the non-stop floor, and draining the water in the drain tank, passengers will be temporarily placed in the elevator car on the non-stop floor. It is possible to eliminate the condition of being trapped in. As a result, the anxiety and discomfort of passengers in the car can be reduced as much as possible.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a functional block diagram showing an example of the essential structure of an elevator controller according to the present invention. That is,
The elevator control device of the present embodiment is an elevator in which an elevator car is equipped with an air conditioning facility and a drain facility, and when the water in the drain tank of the drain facility exceeds a predetermined amount, the operation of the air conditioning facility is stopped and the elevator car is reset to the maximum. In the elevator control device having the operation function of pulling back to the lower floor and opening the drain valve of the drain tank to drain the water in the drain tank while the elevator car is closed on the lowest floor, as shown in FIG. , Bottom floor non-stop switch 1, water level detector 2, non-stop floor input circuit 3, water level detection circuit 4
And a comparison / determination circuit 5 and a forced stop / display lighting circuit 6 are added. Here, the lowest floor non-stop switch 1 is closed when the lowest floor is in the non-stop state. The water level detector 2 detects the water level in the drain tank of the drain equipment. Furthermore, the non-stop floor input circuit 3 generates an output signal when the switch signal is input when the bottom floor non-stop switch 1 is closed.

On the other hand, the water level detection circuit 4 receives the water level detection signal from the water level detector 2 and generates an output signal when the water in the drain tank exceeds a predetermined amount (for example, 80% of full water). Is.

Further, the comparison / determination circuit 5 inputs the output signals from the non-stop floor input circuit 3 and the water level detection circuit 4, and generates an output signal when it determines that both output signals have been input.

Further, the forced stop / display lighting circuit 6 is activated when an output signal from the comparison / determination circuit 5 is inputted, and the car is forcibly stopped at a floor one floor below the lowest floor, and the car concerned is stopped. When the door of the car is opened, the passenger in the car is informed by the notifying means, which will be described later, installed in the car. FIG. 2 is a schematic diagram showing a configuration example of a car to which the present invention is applied.

In FIG. 2, 7 is a car door, 8 is an inside of the car, an indicator for displaying a floor, a driving direction, and the like, 9 is an inside of the car, and the car call registration and the car An operation panel 10 for instructing opening / closing and the like is an indicator light provided inside the car as a notification means, and indicates to the passenger that he / she will get off at the floor (for example, "Please get off when the door opens"). Is for displaying. Next, the operation of the elevator control device of this embodiment configured as described above will be described.

In FIG. 1, normally, when the air conditioning equipment is in operation and the bottom stop switch 1 for draining water in the drain tank is closed and the bottom floor is in the non-stop state, The elevator has disabled the car call and hall call registration on the bottom floor, and even if the car returns to the bottom floor, the car door 7 cannot be opened.

Here, when the water in the drain tank is about 80% full, the operation of the air conditioning equipment is stopped so that the water in the drain tank does not increase, and the water in the drain tank is drained. The basket is pulled back to the bottom floor for this purpose. Normally, when returning this car to the lowest floor, it is not answered for hall calls and after the final car call response for car calls is completed, but passengers in the car register car calls If you do not have it, or if you go to the upper floor and a passenger rides in the downward car (the car reverses at the bottom floor), the car will return to the bottom floor, so it is originally Then, while the car is closed on the bottom floor, the drain valve of the drain tank is opened and the water in the drain tank is drained. Since it does not open and the door open button is also disabled,
The passengers in the car are trapped in the car, which gives the passengers in the car anxiety and discomfort that the elevator may have broken down.

In this respect, in the elevator control device of this embodiment, when the car is returned to the lowest floor which is the non-stop floor in order to drain the water in the drain tank, the bottom floor is in the non-stop state. If it is determined by the comparison / determination circuit 5 that the non-stop floor input circuit 3 has detected that the water in the drain tank has exceeded 80% of the full water, it is forcibly stopped. -The display lighting circuit 6 forces the car to temporarily land on the floor one floor below the bottom floor to open the car door 7, and the indicator light 10 provided in the car causes the "door "Please get off when opens," etc. will be displayed. As a result, after the passengers have been removed from the car, the car is returned to the lowest floor, and the drain valve of the drain tank is opened while the car is closed at the lowest floor to drain the water in the drain tank.

Therefore, when the car is pulled back to the lowest floor which is the non-stop floor when draining the water in the drain tank, passengers in the car will not be trapped on the floor, The anxiety and discomfort of passengers in the car will be reduced as much as possible.

As described above, in this embodiment, in an elevator in which the elevator car is equipped with the air conditioning equipment and the drain equipment, when the water in the drain tank of the drain equipment exceeds a predetermined amount, the operation of the air conditioning equipment is stopped and Pulling the car back to the lowest floor, and opening the drain valve of the drain tank with the car closed at the lowest floor to drain the water in the drain tank Elevator control device with an operation function, the lowest floor does not stop The lowest floor non-stop switch 1 that is closed in the case of the state, the water level detector 2 that detects the water level in the drain tank of the drain equipment, and the switch signal when the lowest floor non-stop switch 1 is closed When input, the non-stop floor input circuit 3 that generates an output signal and the water level detection signal from the water level detector 2 are input, and a predetermined amount of water in the drain tank (80
%), The water level detection circuit 4 that generates an output signal
And the output signals from the non-stop floor input circuit 3 and the water level detection circuit 4 are input, and when it is determined that both output signals are input, the comparison determination circuit 5 that generates the output signals and the output from the comparison determination circuit 5 It is activated when a signal is input, forcibly stops the car on the floor one floor below the lowest floor, opens the door of the car, and tells the passengers in the car to get off at that floor. A forcible stop / display lighting circuit 6 for notifying by a notifying means described later provided therein is provided.

Therefore, in an elevator with an air conditioner having a non-stop floor on the bottom floor, when the car is pulled back to the bottom floor which is the non-stop floor when draining the water in the drain tank, The car is forcibly landed on the floor one floor below the floor, the car door 7 is opened, and the indication light 10 provided in the car indicates that the car is going down. .. As a result, it is possible to prevent passengers in the car from being trapped on the floor, and to reduce anxiety and discomfort of passengers in the car as much as possible. The present invention is not limited to the above embodiment, but can be implemented in the same manner as described below.

(A) In the above embodiment, the forced stop / display lighting circuit 6 is provided, and the output signal from the comparison / determination circuit 5 is input, so that the car is forced to the floor one floor below the bottom floor. It has been described that the door 7 of the car is opened after being stopped automatically and the passengers in the car are informed by the indicator light 10 that they are getting off at the floor, but the present invention is not limited to this, and the forced stop / display lighting circuit 6 is used instead. By providing an output signal from the comparison / determination circuit 5, the car is forcibly stopped at the floor one floor below the lowest floor, and the car door 7
You may make it only open.

(B) In the above embodiment, the case where the indicator lamp 10 is provided as the notifying means has been described, but the present invention is not limited to this, and a speaker is provided as the notifying means (an existing emergency speaker may be used), and a car. An announcement may be made to the passengers inside the floor by voice to announce that they will get off at the floor. Further, the indicator lamp 10 and the speaker may be used together.

(C) In the above embodiment, the case where the water level detection circuit 4 detects that the water in the drain tank has exceeded the predetermined amount (80% of full water) has been described, but the present invention is not limited to this. Needless to say.

[0026]

As described above, according to the present invention, in an elevator having an elevator car equipped with an air conditioning facility and a drain facility, when the water in the drain tank of the drain facility exceeds a predetermined amount, the operation of the air conditioning facility is started. In an elevator control device that has an operation function of stopping and pulling the elevator car back to the bottom floor, opening the drain valve of the drain tank with the elevator car closed at the bottom floor, and draining the water in the drain tank , If the lowest floor has a non-stop floor and the lowest floor is non-stop, the elevator car is forced to the floor one floor below the lowest floor during drainage operation of water in the drain tank. Since it is configured with a means for notifying passengers in the elevator car to get off at the floor, if necessary, the elevator car door is opened. In an air-conditioned elevator with a stop floor, when draining the water in the drain tank of the drain facility, if the elevator car is pulled back to the lowest floor that is a non-stop floor, passengers in the elevator car It is possible to provide an extremely reliable elevator control device capable of reducing the anxiety and discomfort of passengers in the car as much as possible without being trapped on the floor.

[Brief description of drawings]

FIG. 1 is a functional block diagram showing an embodiment of an elevator control device according to the present invention.

FIG. 2 is a schematic diagram showing a configuration example of a car in the same embodiment.

FIG. 3 is a flowchart for explaining the operation of the same embodiment.

[Explanation of symbols]

1 ... Bottom floor non-stop switch, 2 ... Water level detector, 3 ... Non-stop floor input circuit, 4 ... Water level detection circuit, 5 ... Comparison judgment circuit,
6 ... forced stop / display lighting circuit, 7 ... car door, 8 ... indicator, 9 ... operation panel, 10 ... indicator light.

Claims (3)

[Claims] 1. An elevator in which an elevator car is equipped with an air-conditioning facility and a drain facility, and when the water in the drain tank of the drain facility exceeds a predetermined amount, the operation of the air-conditioning facility is stopped and the elevator car is placed at the bottom. In the elevator control device having an operation function of pulling back to the floor and opening the drain valve of the drain tank while the elevator car is closed at the bottom floor to drain the water in the drain tank, at the bottom floor In the case of having a non-stop floor, the elevator car is forcibly stopped at the floor one floor below the bottom floor during drainage operation of water in the drain tank when the bottom floor is non-stop. An elevator control device comprising means for opening the door of the elevator car. 2. An elevator having an elevator car equipped with an air conditioning facility and a drain facility, and when the water in the drain tank of the drain facility exceeds a predetermined amount, the operation of the air conditioning facility is stopped and the elevator car is moved to the lowest position. In the elevator control device having an operation function of pulling back to the floor and opening the drain valve of the drain tank while the elevator car is closed on the lowest floor to drain the water in the drain tank, In the case of having a non-stop floor, the elevator car is forcibly stopped at the floor one floor below the bottom floor during the drainage operation of water in the drain tank when the bottom floor is non-stop. The elevator system is provided with means for opening the door of the elevator car and notifying passengers in the elevator car that the passenger is getting off at the floor. Apparatus. 3. The elevator according to claim 2, wherein as the means, a notification means provided in the elevator car is used to notify by display, voice, or both display and voice. Control device.