JPH07112881A - Elevator control equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent passengers on the landing side from getting into the elevator car when the elevator is in a dormant state such as in earthquake control operation. [Composition] When the elevator is switched to seismic control operation by the earthquake detector normally open contact E ₁ , the presence / absence of passengers in the car is detected by the elevator car destination call registration circuit CBM, and the door is opened / closed during seismic control operation. For the control, a seismic control operation switching normally open contact A ₁ and a car destination call registration detection normally open contact CBM ₁ are provided, and a door control circuit DRC for opening and closing the door of the elevator is provided.

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, and more particularly to an elevator control device for performing door opening / closing control when the nearest floor is stopped due to control operation during an elevator earthquake.

[0002]

2. Description of the Related Art An elevator efficiently provides a driving service to a destination floor of a passenger by using a call button provided in a hall or a destination button provided in a car. When the elevator is equipped with seismic control operation control, when the elevator earthquake detector operates, when the elevator is traveling, the elevator is decelerated and stopped to the nearest floor level, the door opening / closing operation is performed, and the elevator boarding operation is performed. It is designed to evacuate passengers in the car. Further, when the earthquake detector operates while the elevator is stopped in the door opening / closing area, the door opening / closing operation is performed once, and the seismic control operation state is maintained until the earthquake detector returns.

[0003]

In the above-mentioned conventional elevator seismic control operation control, if the seismic detector operates during the traveling of the elevator regardless of the presence or absence of passengers in the elevator car, it stops at the nearest floor level. Since the doors are being opened and closed, for example, when there are no passengers in the elevator car and the vehicle is traveling in response to a registered hall call, it will stop at the nearest floor level due to earthquake control operation. When the door opening / closing operation is performed, there is a risk that passengers who are present near the elevator hall may accidentally board the vehicle to evacuate using the elevator.

The present invention has been made in view of the current state of elevator control for control operation during an earthquake as described above,
The purpose is to prevent passengers who are near the elevator hall from accidentally boarding the elevator in the seismic control operation control when there are no passengers in the elevator cage, and to prevent accidental passengers in the elevator cage due to a secondary disaster. An object of the present invention is to provide an elevator control device capable of preventing a trapping accident.

[0005]

To achieve the above object, the present invention provides an elevator machine room with an earthquake detector,
When the elevator car is running, or when the seismic detector operates while the elevator car is stopped in the door opening / closing area, when the car is running, the vehicle decelerates and stops to the nearest floor, and when it is stopped, the door opening / closing operation is continued. In an elevator control device equipped with control operation during an earthquake to perform, when a function is provided to detect the presence or absence of passengers in the elevator car, when the earthquake detector operates and the elevator car stops at the nearest floor Alternatively, when the elevator is stopped in the door opening / closing area, the door opening / closing operation is performed by the seismic control operation control only when there is a passenger in the elevator car.

[0006]

In this configuration, when the passenger in the elevator car detects that the vehicle is operating in response to the destination call being registered and the seismic detector operates, the elevator is moved to the nearest floor level. After decelerating and stopping, passengers in the car can evacuate outside. However, if the elevator car interior destination call is not registered, even if the earthquake detector operates and the elevator decelerates and stops to the nearest floor level, the door opening / closing control circuit is not configured and the door opening / closing operation is performed. Absent. Therefore, it is possible to prevent passengers who are near the elevator hall from accidentally boarding the elevator.

[0007]

Embodiments of the present invention will be described below with reference to FIGS. 1, 2 and 3. Here, FIG. 1 is an operation flowchart showing the configuration of the embodiment, and FIG. 2 is a block diagram thereof.

As shown in FIG. 1, flow 1 is an earthquake detection motion detection flow, flow 2 is an elevator normal operation flow,
Flow 3 is an elevator travel detection flow, Flow 4 is a nearest floor level deceleration stop flow during earthquake control operation, Flow 5 is a car destination call registration detection flow, Flow 6 is an elevator standby flow, Flow 7 is an elevator door opening / closing operation flow , Flow 8 is the earthquake detector return detection flow, Flow 9
Is configured by the elevator normal operation return flow.

Further, as shown in FIG. 2, a normally open contact E ₁ between the DC power supply terminals P and N, a series connection circuit of the seismic control operation device A, and a car destination button corresponding to the first to nth floors. CB
_{1 to} CBn are respectively connected in parallel, and the CB _{1 to} CBn
An elevator car destination call registration detection circuit CBM is connected in series to the parallel connection circuit of. Furthermore, normally closed contact B
Connect the switching contact A ₁ in series ₁ and normally closed contact connected in series circuit C _1, is connected to the normally closed contact and the door opening and closing control circuit DRC of the switching contact A ₁ in series. In addition, the switching contact A
_The normally open contact ₁ and the normally open contact CBM ₁ and the door opening / closing control circuit DRC are connected in series, and are connected in parallel with the normally closed contact of the switching contact A ₁ .

Here, the normally-open contact E ₁ is a normally-closed contact of the seismic detector that closes when an earthquake is detected, and the seismic control operation switching relay A operates when the seismic detector operates. Further, normally open contacts CB ₁ ~CBn is a normally open contact that is closed by operating the destination buttons in the elevator passenger cage,
When any _{one of the} car destination buttons CB1 to CBn is operated, a circuit CBM for detecting the presence or absence of the car destination call registration until the elevator car arrives at the destination floor and stops.
Works. Further, the normally closed contact B ₁ is a normally closed contact of a relay (not shown), which is turned off when the elevator stops, and a normally closed contact C.
₁ is the normally closed contact of the relay that turns off when the elevator is located in the door opening / closing area, switching contact A ₁ is the switching contact of the seismic control operation switching relay A, and normally open contact CBM ₁ is the presence / absence of the car destination call registration. The normally open contact, which is closed when the detecting circuit CBM operates, is a control circuit that issues a door opening / closing command.

In the embodiment having such a structure, the in-car destination call registration detection circuit CBM corresponds to the passenger presence / absence detection means of the present invention, the normally-closed contact B ₁ of the elevator stop detection relay B, and the door. Normally closed contact C ₁ of the open / close area detection relay C, switching contact A _{1 of the} seismic control operation switching relay A, and normally open contact CB of the car interior destination call registration detection circuit CBM
M ₁ constitutes the door opening means of the present invention.

Next, the operation of the embodiment will be described.

The operation of the seismic detector is detected by the flow 1, and when the seismic detector is not operating, the normal operation is continued by the flow 2. If the seismic detector is activated,
Flow 3 determines whether the elevator is running or stopped. If it is running, flow 4 decelerates and stops within the nearest door openable / closable area. After the elevator is stopped or after decelerating and stopping within the door opening / closing area of the nearest floor, it is determined whether or not the destination call is registered in the elevator car according to the flow 5. If there is no elevator car destination call registration according to flow 5, the standby state is maintained as it is according to flow 6. Flow 5
If there is a destination call registration in the car, the door can be opened / closed by the flow 7 to evacuate the passenger in the car to the outside. After the door is opened or closed according to the flow 6 or after the door is opened or closed according to the flow 7, the return state of the seismic detector is determined according to the flow 8 and the seismic control operation is continued until the seismic detector is normally restored. When the seismic detector is normally returned by the flow 8, the elevator is also returned to the normal operation state by the flow 9.

Next, the operation of the embodiment will be described with reference to a block diagram.

When the elevator seismic detector is not operating, the circuit of the power supply terminal P, the normally open contact E ₁ , the relay A and the power supply terminal N is not configured, so that the elevator continues normal operation. Here, when an earthquake occurs, the normally open contact E ₁ is closed, the closed circuit is closed at the power supply terminal P, the normally open contact E ₁ , the relay A, and the power supply terminal N, and the elevator is switched to the seismic control operation state. . Here, when the elevator passenger cage in the destination call button CB ₁ ~CBn is operated, the power supply terminal P, normally open contacts CB ₁ ~CBn, elevator passenger cage within destination call registration detection circuit CBM, closed circuit supply terminal N is Formed and detects the presence of passengers in the elevator car. In this state, if the elevator stops at the nearest floor due to the seismic control operation, the power supply terminal P, the normally closed contact B ₁ , the normally closed contact C ₁ , the switching normally open contact A ₁ , the normally open contact CBM ₁ , the door control circuit DRC. The closed circuit of the power supply terminal N is formed, the opening / closing control of the elevator door is performed, and the passenger is not trapped in the car. Further, when the destination call in the car is not registered, the door opening / closing control circuit DRC is not formed by the normally-open contact CBM _1, so that the elevator door opening / closing operation is not performed, and the waiting person at the elevator hall mistakenly gets on board. It is possible to prevent getting into the car.

[0016]

As described above, according to the present invention, when an emergency stop is made to the nearest floor level due to an earthquake control operation or the like, the door opening / closing operation is performed only when there is a passenger in the car. Since the door opening / closing operation is not performed while the car is in an emergency stop or in standby, it is possible to prevent passengers on the hall side from accidentally getting into the car.

[Brief description of drawings]

FIG. 1 is a flowchart showing an elevator operation according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an exemplary embodiment of the present invention.

[Explanation of symbols]

 A Earthquake control operation switching relay CBM Elevator car In-destination call registration Detection circuit DRC Door opening / closing control circuit P, N DC power supply terminals

Claims (1)

[Claims] 1. An earthquake machine is provided in an elevator machine room,
When the elevator car is running, or when the seismic detector operates while the elevator car is stopped in the door opening / closing area, when the car is running, the vehicle decelerates and stops to the nearest floor, and when it is stopped, the door opening / closing operation is continued. In an elevator control device equipped with control operation during an earthquake to perform, when a function is provided to detect the presence or absence of passengers in the elevator car, when the earthquake detector operates and the elevator car stops at the nearest floor Alternatively, when the elevator is stopped in the door opening / closing area, the door opening / closing operation is performed by the seismic control operation control only when there is a passenger in the elevator car.