JPH0859162A - Control device of escalator with step for wheelchair - Google Patents

Abstract

PURPOSE: To provide an escalator with a step for a wheelchair capable of safe operation of the wheelchair by realizing the low speed operation in an intermediate landing in the wheelchair running mode, and accelerating to the prescribed speed after confirming that the wheelchair is at the prescribed position. CONSTITUTION: When a wheelchair operation switch 12 is pressed, the wheelchair running mode is turned on, and when a wheelchair step approaches a landing 3 on the lower floor, an entering deceleration starting limit switch 23 is actuated, and an escalator 1 is decelerated to realize the low speed operation. When the wheelchair enters the escalator 1, and the completion of the safe entering is confirmed, and then, an entering confirmation button 13 is operated, the escalator 1 is accelerated and operated at the prescribed speed. Next, when the wheelchair step comes closely before an intermediate landing, a deceleration starting limit switch 39 is actuated, and the escalator is decelerated, and operated at the low speed. When an intermediate landing confirmation button 41 is operated at the prescribed position, the escalator 1 is again accelerated and operated at the prescribed speed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for an escalator with steps for a wheelchair.

[0002]

2. Description of the Related Art Recently, an escalator with a wheelchair step has been installed in a station building or the like, which enables a wheelchair user to board while using a wheelchair. By the way, such an escalator with steps for wheelchair reduces wheelchair user's psychological burden, and considers the improvement of driving efficiency and the service to general users, and the wheelchair without stopping the escalator which is normally driving. There is one that allows the user to return to normal driving without stopping again after switching to driving and using a wheelchair user.

FIG. 4 is a block diagram of such an escalator with steps for a wheelchair. In FIG. 4, the escalator 1
Are connected endlessly with a plurality of steps 2 and are arranged so as to be inclined between an entrance / exit 3 on the lower floor and an entrance / exit 4 on the upper floor, and a step is formed by each step 2 for operation.

In addition, the resting devices 5 and 6 are provided at the entrances and exits 3 and 4 of the upper and lower floors. This inactive device 5,
6 has a function of making the upper surfaces of the two steps 2 into the same plane when the wheelchair is operated and transforming it into a wheelchair step, and returning the steps to form a step during normal operation.

Here, 7a, 7b and 7c are respective steps modified for a wheelchair. In addition, 8 is a truss and 9 is a three-phase induction motor for driving the escalator 1.

On the other hand, on the side of the entrance / exit 3 on the lower floor, an attendant call button 11 for calling the attendant 10, a wheelchair changeover switch 12 provided on the parapet of the escalator 1, a driving entry confirmation operation button 13, and an exit confirmation button. 14, a wheelchair stop button 15, and a restart button 16 are provided.

Further, on the side of the entrance / exit 4 on the upper floor, there are provided a driving entry confirmation operation button 17, an exit confirmation button 18, and a restart button 20. In addition, these various buttons 1
3 to 20 are operating devices for driving a wheelchair, which are effective in the wheelchair driving mode.

Further, the escalator 1 is provided with a deceleration start limit switch 23, a boarding overrun limit switch 27 and a descending overrun limit switch 28. These switches 21 to 28 are operated by the protruding pieces provided on the wheelchair steps 7a, 7b and 7c being locked in the wheelchair operation mode.

Speakers 29a and 29b are provided for outputting an announcement for guiding an operation to be performed by the staff member 10 in the wheelchair driving mode. In the escalator having such a configuration, the operation operation in the wheelchair driving mode will be described with reference to the time chart shown in FIG.

First, after confirming that the transportation of general passengers has been completed, when the wheelchair operation changeover switch 12 is operated, the escalator 1 starts the operation in the wheelchair operation mode. When this wheelchair driving mode is started and the wheelchair step 7a approaches the entrance / exit 3 on the lower floor, the boarding deceleration switch 23 operates and the escalator 1 decelerates to perform a low speed operation.

When the wheelchair step appears at the lower floor entrance / exit 3, the speaker 29a, 29b outputs a guide announcement at the timing. For example, a message such as "Please put the wheelchair on the dedicated step" is displayed so that the staff member 10 can understand the content of the next operation.

At this time, the wheelchair Q gets on the escalator 1. Next, a message prompting the user to operate the boarding confirmation button 13 for recognizing the completion of the boarding operation is output.
When the boarding is completed safely according to this message, the boarding confirmation button 13 is operated. Then, the escalator 1 accelerates and operates at the specified speed. At this time, a message that calls attention such as "the speed will increase" is output.

When the wheelchair step 7a reaches the deceleration start limit switch 22 on the upper floor side entrance / exit 4 side by the operation of the escalator 1 as described above, the switch 22 operates to decelerate the escalator 1 again to operate at low speed. To do. At the time of this deceleration, the speaker 2 is also prompted with a warning message similar to the above.
Output through 9a and 29b.

When it is confirmed that the wheelchair Q has descended from the escalator 1 in this low speed driving state, and the depression confirmation button 18 is operated, the escalator 1 returns to the normal driving mode,
The operation is performed at the specified speed.

When a wheelchair-equipped escalator with such a structure and driving operation is installed in an existing station building or the like, it is necessary to provide an intermediate landing on the escalator for the convenience of the building. However, in the case of an escalator with steps for wheelchairs provided with this intermediate landing, when the wheelchair moves on the intermediate landing, there is a possibility that the wheelchair may come out of a predetermined position, which is dangerous.

[0016]

In the case where the conventional escalator with steps for wheelchairs is provided with an intermediate landing in this way, when a special step equipped with a wheelchair moves through the intermediate landing, the wheelchair moves from a predetermined position of the special step. If the wheelchair comes off and moves to the slope again in that state, the wheelchair may tilt and fall.

Further, if the intermediate landing is moved at the normal speed, the wheelchair user may have a fear of jumping out of the step when moving to the inclined portion again during the descending operation.

According to the present invention, a wheelchair that can be safely moved by performing low-speed driving at an intermediate landing in the wheelchair driving mode and accelerating to a prescribed speed after confirming that the wheelchair is in a predetermined position. An object of the present invention is to provide a control device for an escalator with steps.

[0019]

In order to achieve the above object, the present invention constitutes a control device for an escalator with steps for wheelchair by the following means. The invention corresponding to claim 1 has an intermediate landing in at least one place, and at least one of the steps that are endlessly connected and circulates is provided with a special step for wheelchair mounting, and normally, it is a general step. In a control device for an escalator that carries a user and a wheelchair user by means of the special step when driving a wheelchair, a detection means that is provided before and after an intermediate landing of the escalator to detect that the special step has passed, and Confirmation means provided at the landing for confirming that the wheelchair is at a predetermined position of the intermediate landing, and when the detection means detects the passage of the special step when the wheelchair is operating, the detection signal causes the escalator to slow down. Output from the confirmation means when controlling the driving and when the special step reaches the intermediate landing and the wheelchair is in the predetermined position. The confirmation signal is returned to the escalator to normal speed and a control unit for operating control.

The invention corresponding to claim 2 is the above claim 1.
The control means of the invention corresponding to the invention has a function of stopping the escalator when the confirmation signal is not output from the confirmation means even when the special step reaches the intermediate landing.

The invention corresponding to claim 3 is at least 1
There is an intermediate landing at a location, and at least one of the steps that are endlessly connected and circulates is equipped with a special step for mounting a wheelchair. In an escalator control device for transporting a wheelchair user by steps, detection means provided before and after the intermediate landing of the escalator to detect that the special steps have passed, and the wheelchair provided at the intermediate landing are provided in the intermediate landing. Confirmation means for confirming that the escalator is in a predetermined position, and when the detection means detects passage of the special step during the wheelchair operation, the detection signal controls the escalator to a low speed operation, and the special step has the intermediate step. When the wheelchair reaches the landing and the wheelchair is in the predetermined position, the escalator is operated at the normal speed by the confirmation signal output from the confirmation means. And a voice synthesizing device for outputting a voice signal alerting a wheelchair user in response to a command from the control means when the detection means detects passage of the special step. Equipped with.

[0022]

In the control device for the escalator with steps for a wheelchair according to the present invention, when the special step passes the front of the intermediate landing during the wheelchair operation, the escalator is controlled to the low speed operation by the detection signal from the detection means. Is
When the confirmation means confirms that the wheelchair is in a predetermined position on the intermediate landing, the confirmation signal returns the escalator to the normal speed and the operation is controlled, so that the escalator can be safely accelerated and the wheelchair operation is continued. be able to.

In the control device for the escalator with steps for a wheelchair according to the second aspect of the invention, the escalator is stopped when the confirmation signal cannot be obtained from the confirmation means because the wheelchair is not at the predetermined position on the intermediate landing. Therefore, there is no fear of wheelchair users.

According to the control device for the escalator with steps for a wheelchair of the invention according to claim 3, in addition to the operation of the invention according to claim 1, the voice synthesizing device calls attention to the wheelchair user. Since the voice signal is output, the wheelchair user can prevent the wheelchair from coming out of a predetermined position.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing an escalator with a wheelchair step having an intermediate landing, a power supply system thereof, and a control system thereof.

In FIG. 1, the escalator 1 is provided with various switches as in the case of FIG. 4, but here, the wheelchair changeover switch 12, the driving entry confirmation driving button 13, and the dismounting which are necessary for the control in the wheelchair driving mode. Only the confirmation button 18 and deceleration start limit switches 22 and 23 are shown.

In such an escalator 1, an intermediate landing gear deceleration start limit switch 39 is newly provided near the lower floor side of the intermediate landing, and a descending deceleration start limit switch 40 is provided near the upper floor side. A confirmation button 41 is provided.

On the other hand, in the power supply system, a converter device 30 for converting the AC power of the three-phase AC power supply 33 into DC, and the DC power connected to the converter device 30 by the DC bus 32 and input through the smoothing capacitor 34. It is provided with an inverter device 31 for converting the electric power into AC power and supplying it to the three-phase induction motor 9 for driving the escalator.

In this case, the converter device 30 converts the three-phase AC power of the three-phase AC power source 33 into DC during the power running operation of the escalator 1, and converts the DC power into AC power during the regenerative operation of the escalator 1. A main circuit element that has a function of returning to the AC power supply 33 and is normally self-extinguishing, for example, GT
It is composed of R and IGBT.

Further, the inverter device 31 has a function capable of variable speed operation of the three-phase induction motor 9 when switching to a wheelchair operation mode or a normal operation mode. further,
The control system of the inverter device 31 includes a signal h from the wheelchair operation changeover switch 12, signals i ₁ , i ₂ , i ₃ from the confirmation buttons 13, 18, 41 and limit switches 2 respectively.
3, 22, 39, 40 signals j ₁ , j ₂ , j ₃ ,
The input interface 35 that takes in j ₄ , and the wheelchair driving changeover switch 12 taken in by this interface 35
Driving signal S in the normal driving mode or the wheelchair driving mode based on the signal h from the check buttons 13, the signals i ₁ and i ₂ from the confirmation buttons 13 and 18 and the signals j ₁ and j ₂ from the limit switches 23 and 22, respectively. Microcomputer 3 for outputting
6 and an output interface 37 for providing the operation control signal S output from the microcomputer 36 to the inverter device 31.

In this case, the microcomputer 36 has a counter 39 for determining the timing of the output signal. Further, the microcomputer 36 receives the signals j ₃ and j ₄ from the deceleration start limit switches 39 and 40 mounted before and after the intermediate landing, and the special steps pass the intermediate landing at a low speed at the speed of the escalator. When a signal i ₃ from the confirmation button 41 provided at the intermediate landing is input, a driving control signal S that causes the elevator to move at an out-of-town speed is output, and a signal i ₃ is input. If not, it has a control function to stop the escalator.

Next, in the control device for the escalator with steps for wheelchair having the intermediate landing configured as described above, the operation operation in the wheelchair operation mode will be described with reference to the time chart shown in FIG.

First, after confirming that the transportation of general passengers has been completed, when the wheelchair operation changeover switch 12 is operated, the escalator 1 starts the operation in the wheelchair operation mode. When this wheelchair driving mode is started and the wheelchair step approaches the entrance / exit 3 on the lower floor, the boarding deceleration start limit switch 23 operates, and the escalator 1 decelerates to perform low speed operation.

At this time, the wheelchair rides on the escalator 1, and after confirming that the riding is completed safely, the boarding confirmation button 13 is operated. Then, the escalator 1 accelerates and operates at the specified speed.

When the wheelchair step reaches the front of the intermediate landing due to the operation of the escalator 1 as described above, the deceleration start limit switch 39 operates, and the escalator 1 decelerates to perform a low speed operation.

[0036] Eventually, the wheelchair steps reached the intermediate landing,
If the intermediate landing confirmation button 41 is operated while the wheelchair is in a predetermined position, the escalator 1 accelerates again and drives at the specified speed.

When the deceleration start limit switch 22 on the upper floor entrance / exit 4 side is reached, this switch 22 operates and the escalator 1 decelerates again to operate at a low speed. When it is confirmed that the wheelchair has descended from the escalator 1 in this low-speed driving state, and the depression confirmation button 18 is operated, the escalator 1 returns to the normal operation mode, and the escalator 1 is operated at the specified speed.

On the other hand, if there is no confirmation signal even when the special step reaches the intermediate landing, the escalator is stopped. As described above, in this embodiment, the signal h from the wheelchair driving changeover switch 12 and the signals i ₁ and i ₂ from the confirmation buttons 13 and 18 are used.
And signals j ₁ and j from the limit switches 23 and 22.
Based on ₂ , the escalator is controlled by the driving control signal S in the normal driving mode or the wheelchair driving mode, and the signals j ₃ , j ₄ from the deceleration start limit switches 39, 40 mounted before and after the intermediate landing are When the escalator is input, the special steps pass the intermediate landing at a low speed, and when the signal i ₃ from the confirmation button 41 provided at the intermediate landing is input, the escalator moves at the normal speed. Therefore, when the wheelchair passes through the intermediate landing, the wheelchair user can move safely without fear of the wheelchair user.

In the above embodiment, as the speed pattern of the escalator with steps for wheelchairs having an intermediate landing, the speed at the intermediate landing was given as an example of the speed at boarding as shown in FIG. It may be controlled.

Further, the escalator is stopped once before the intermediate landing, the wheelchair entry position is confirmed with the confirmation button, and then restarted at a low speed, and the limit switch and the counter recognize that the wheelchair has passed the intermediate landing. Then
You may make it accelerate to normal speed.

FIG. 3 shows a structure near the intermediate landing of the escalator and its control system in another embodiment of the present invention. Since the configuration of the power supply system of the escalator and its control system is the same as that of FIG. 1, the description thereof is omitted here.

In this embodiment, as shown in FIG. 3, a speaker 42 is installed on the balustrade of the intermediate landing of the escalator, and the input interface 35 includes signals j ₃ , j ₄ from the limit switches 39, 40 before and after the intermediate landing, respectively. The signal i ₃ from the confirmation button 41 at the intermediate landing is fetched and input to the microcomputer 36, and the command from the microcomputer 36 is further recorded in advance in the voice synthesizer 43.
To output the audio signal to the speaker 42 via the amplifier 44.

Therefore, with such a configuration, the voice synthesizer 43 causes the amplifier 44 to output a predetermined caution message in accordance with the timing when the wheelchair passes through the intermediate landing.
Through the output to the speaker 42 through the wheelchair user, it is possible to prevent the wheelchair user from removing the wheelchair from a predetermined position. In this case, the content of the message may be, for example, "At the intermediate landing, be careful not to remove the wheelchair from the predetermined position."

In each of the above-mentioned embodiments, the escalator with steps for wheelchairs, which has the intermediate landing at one place, has been described, but the same can be applied to the escalator having the intermediate landings at a plurality of places. is there.

[0045]

As described above, according to the present invention, low speed driving is performed at the intermediate landing in the wheelchair driving mode, and after confirming that the wheelchair is in the predetermined position, the vehicle is accelerated to the prescribed speed. , It is possible to provide a control device of an escalator with steps for a wheelchair that can safely transport a wheelchair.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of a control device for an escalator with steps for a wheelchair according to the present invention.

FIG. 2 is a time chart for explaining a driving operation in the example.

FIG. 3 is a block diagram showing the vicinity of an intermediate landing according to another embodiment of the present invention.

FIG. 4 is a configuration diagram showing an outline of an escalator with steps for a wheelchair.

FIG. 5 is a time chart for explaining a driving operation of the escalator.

[Explanation of symbols]

1 ... Escalator, 2 ... Steps, 7a to 7c ... Wheelchair steps, 9 ... Induction motor, 12 ... Operation changeover switch, 13 ... Boarding confirmation button, 18 ... Descent confirmation button, 22, 23 , 39, 40 ... Limit switch, 3
0 ... Converter device, 31 ... Inverter device, 35
...... Input interface, 36 …… microcomputer, 37 …… output interface, 38 …… counter, 41 …… confirmation button.

Claims (3)

[Claims] 1. At least one intermediate landing,
In addition, a special step for mounting a wheelchair is provided on at least one of the steps that are connected in an endless manner and circulates, and normally carries general users, and when driving a wheelchair, the wheelchair user is carried by the special steps. In the control device of the escalator, it is provided before and after the intermediate landing of the escalator to detect the passage of the special step, and to confirm that the wheelchair provided at the intermediate landing is in a predetermined position of the intermediate landing. When the passage of the special step is detected by the confirmation means and the detection means during the wheelchair operation, the escalator is controlled to a low speed operation by the detection signal, and the special step reaches the intermediate landing and the wheelchair is in the predetermined position. When it is, the escalator is returned to the normal speed by the confirmation signal output from the confirmation means to control the operation. Control device for an escalator with wheelchair steps, characterized in that a control means. 2. The control device for the escalator with steps for a wheelchair according to claim 1, wherein the control means stops the escalator when a confirmation signal is not output from the confirmation means even when a special step reaches the intermediate landing. A control device for an escalator with steps for a wheelchair, comprising: 3. At least one intermediate landing,
In addition, a special step for mounting a wheelchair is provided on at least one of the steps that are connected in an endless manner and circulates, and normally carries general users, and when driving a wheelchair, the wheelchair user is carried by the special steps. In the control device of the escalator, the detection means provided before and after the intermediate landing of the escalator to detect the passage of the special step and the wheelchair provided at the intermediate landing are confirmed to be in a predetermined position of the intermediate landing. When the passage of the special step is detected by the confirmation means and the detection means during the wheelchair operation, the escalator is controlled to a low speed operation by the detection signal, and the special step reaches the intermediate landing and the wheelchair is in the predetermined position. When it is, the escalator is returned to the normal speed by the confirmation signal output from the confirmation means to control the operation. And a voice synthesizing device for outputting a voice signal to call attention to a wheelchair user in response to a command from the control means when the detection means detects the passage of the special step. Control device for escalator with step for wheelchair.