JPH1036029A - Elevator controller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make improvements so that during elevator maintenance and inspection work, operation of the elevator in a normal operation mode by mistake is prevented. SOLUTION: This control device makes inspecting operation control possible by controlling a control board inspecting switch 11, etc. In this case, an upper car receptacle circuit switch 3a and a lower car inspecting light circuit switch 4a are operated in combination by control of a control board inspecting switch 11, and only when the operation mode is switched to an inspecting operation mode by control of the control board inspecting switch 11 can an upper car receptacle 3 and a car lower side inspecting light 4 be operated. As a result, in a state in which operating personnel can do work, the operation mode is always switched to the inspecting operation mode by means of the control board inspecting switch 11, so that doing work in the normal operation mode by mistake is surely avoided.

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 for maintenance and inspection work.

[0002]

2. Description of the Related Art In general, when an elevator is inspected and maintained by an operator, the elevator is switched from a normal operation speed in a normal operation mode to a lower inspection operation speed for the safety of the operator and for performing the maintenance and inspection work. Is done.

[0003] Switching control of the elevator from normal operation to maintenance operation is performed by switching a control panel inspection switch provided on a control panel in a machine room and by switching an on-car inspection switch provided on a car. And a method by a switching operation using an in-car inspection switch provided in the car.

[0004] Both the control panel inspection switch in the machine room and the inspection switch provided on or in the car are used to switch the operation mode of the elevator from the normal operation mode to the inspection operation mode. The switch is functionally configured to allow an operator to control the elevator inspection and operation speed on the spot.

[0005] Maintenance work for elevators includes maintenance work on a car and maintenance work under a car or in a pit of a hoistway. In order to use various measuring devices and lighting equipment as needed for maintenance and inspection on the basket, there are power supply (on the basket) outlets for measuring equipment and lighting equipment on the basket, and various types of equipment in the pits of the hoistway. In order to perform maintenance and inspection of the equipment, an under-car check light is provided below the elevator car. However, there may be a case where an inspection light is provided in advance on the car, or a case where an inspection light is provided in advance on the side wall of the hoistway so as to illuminate the inside of the pit.

Conventionally, the power supply circuits for the above-in-car outlet and the below-car light are provided independently of circuits such as the control panel check switch and the above-car check switch, so that the elevator is operated in the check operation mode. It could be used regardless of whether or not.

[0007]

As described above, in the conventional elevator control apparatus, the circuits of the upper outlet of the car and the lower light of the car are provided independently of the control panel check switch in the machine room. .

[0008] Therefore, when the maintenance and inspection worker is inadvertently operated without switching the control panel inspection switch and the like,
There was a risk that the inspection work would start immediately using the outlet on the basket.

[0009] Further, even when an on-car inspection switch or an in-car inspection switch is provided, even though the control panel inspection switch is not switched to the inspection operation mode, an operator may mistakenly perform the operation during the maintenance and inspection work. If the inspection operation is started without operating the inspection switch on the car or inside the car, the elevator may start moving at a normal operation speed, and improvement is demanded from the viewpoint of worker safety.

[0010] Further, since the upper outlet of the car and the lower inspection light of the car can always be used irrespective of the operation mode, even if the worker performs the inspection work using the upper outlet of the basket or the like, the elevator can be used for inspection at any time. At the time of starting, the user has to be conscious of the control panel inspection switch again, and there is a problem that the working efficiency is reduced.

[0011]

DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a first invention is an inspection operation control by operating an inspection switch or a cage inspection switch in a machine room. In the elevator control device, the operation of the control panel inspection switch or the above-in-car inspection switch is configured so that the above-car-outlet circuit switch and the below-in-car inspection light circuit switch operate in conjunction with each other, and Only when the switch or the inspection switch on the car is operated to switch to the inspection operation mode, the upper outlet of the car and the lower inspection light of the car can be operated.

Therefore, according to the first aspect of the invention, when the control panel inspection switch or the like is turned on (turned on), the operation mode is switched to the inspection operation mode, and at the same time, the car upper socket circuit switch and the car lower inspection light circuit switch are linked. Only when the control panel inspection switch or the like is turned on, it is possible to use an illumination lamp or a measuring device connected to the outlet above the car and to turn on the inspection lamp below the car. In other words, in the normal operation mode, the operator cannot enter the work because the upper outlet of the car and the lower light of the car cannot be used. As a result, the work efficiency can be improved because the trouble of confirming the operation mode one by one can be omitted.

According to a second aspect of the present invention, there is provided an elevator control device which enables an inspection operation control by switching operation of a control panel inspection switch and a car inspection switch. And the car lower inspection light circuit switch is configured to operate in conjunction with each other, and only when the control panel inspection switch is operated to switch to the inspection operation mode, the upper basket outlet and the lower basket inspection light are operable. It is characterized by the following.

According to the second aspect of the present invention, the inspection operation control can be performed by operating a control panel inspection switch.
A control system inspection switch (first system) and a cage inspection switch, comprising a system and a second inspection system which is provided with an inspection switch above the cage and which can perform an inspection operation control by switching the switch. By turning ON both the (second system) to the inspection operation side, the car upper outlet and the car lower inspection light can be used for the first time.

Therefore, similarly to the first aspect, the configuration is such that the operator cannot start the operation when the operation mode is not the inspection operation mode. Therefore, the safety of the operator is ensured, and it is not necessary to check the operation mode every time. Therefore, work efficiency can be improved.

According to a third aspect of the present invention, there is provided an elevator control apparatus which enables an inspection operation control by operating a control panel inspection switch and an in-car inspection switch. The lower basket light switch is configured to operate in conjunction with the lower basket light switch, and only when the control panel check switch is operated to switch to the check operation mode, the upper basket outlet and the lower basket light can be operated. Features.

Therefore, the present invention, like the second invention,
An in-car inspection switch is provided, and only when both the in-car inspection switch and the control panel inspection switch are turned ON, the upper outlet of the car and the lower inspection light of the car can be operated. And the second
As in the case of the invention, the worker's safety can be ensured and the work efficiency can be improved.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an elevator control device according to the present invention will be described below in detail with reference to FIGS.

(First Embodiment) FIGS. 1 and 2 show a first embodiment of an elevator control apparatus according to the present invention. FIG. 1A is an overall external view, and FIG. ) Is an operation explanatory diagram, and FIG. 2 is a specific configuration diagram. That is,
The machine room of the elevator is provided with a control panel 1 and a controller 2, and the control panel 1 is provided with a control panel inspection switch 11 and a judgment means 12. An outlet circuit switch 3a connected to the outlet 3 on the car is provided on the car of the elevator. The switch 3a is connected to the judging means 12, and the operation state of the switch 3a is inputted to the judging means 12. ing.

Similarly, the elevator is provided with an inspection light circuit switch 4a connected to the under-car inspection light 4, and this inspection light circuit switch 4a is similarly connected to the judging means 12 to input the operation state. It is configured to:

The judging means 12 of the control panel 1 is also connected to the controller 2 in the machine room. The controller 2 supplied with the signal from the judging means 12 controls the motor 5 for driving the car up and down. It is configured as follows.

Then, the control panel inspection switch 11 is turned on.
When it is set to (ON), a command signal is transmitted from the determination means 12 to the controller 2 to switch the elevator to the inspection operation mode, and the controller 2 is set to rotate the motor 5 at a low inspection speed. At the same time, as shown in FIG. 1 (b), a switching signal is transmitted from the judging means 12 to the upper car outlet circuit switch 3a and the lower car inspection light circuit switch 4a, and the upper car outlet 3 and the lower car inspection light 4 are transmitted. Are connected to a power supply circuit (P, N).

It should be noted that the state in which the under-car check light 4 can be used may be a state in which it is turned on immediately upon receiving the switching signal from the judging means 12, or FIG.
As shown in the figure, the switch 4b attached to the lower inspection light 4
The state may be such that the operation can be turned on and off as necessary by the operation.

Therefore, the control panel inspection switch 11 is turned off.
(Off), the power supply circuit (P, N) is turned off,
The power supply of the car upper outlet 3 cannot be turned on, and the car lower check light 4 also cannot be turned on, and the operation returns to the normal operation.

FIG. 3 is a circuit diagram showing a case where the main part of the judging means 12 shown in FIG. 1 is concretely constituted by a microcomputer. The control panel check switch 11 is connected to the input port 12a of the judging means 12. In addition, the on-cage outlet circuit switch 3a, the inspection light circuit switch 4a and the controller 2
Are connected to the output port 12b, respectively.

The judging means 12 comprises input / output ports 12a, 1
CPU 12d and ROM 12 are connected to bus 12c connected between 2b.
e and the RAM 12f are connected to each other.

Therefore, the control program in the controller 2 is R
The control program of the judging means 12 itself is stored in the RAM 12f.

Next, the operation of the elevator control device according to the first embodiment shown in FIGS. 1 to 3 will be described with reference to the flowchart of FIG.

That is, when the control panel inspection switch 11 is turned on in FIGS. 1 and 2 (YES in step 1A), C
The PU 12d includes a control program of the controller 2 stored in the ROM 12e and a determination unit 12 stored in the RAM 12f.
Processing is calculated according to its own control program, and the controller 2 is controlled via the output port 12b so that the elevator is set to the inspection mode (step 2A).

The judging means 12 turns on the outlet circuit switch 3a and also turns on the under-inspection lamp circuit switch 4a at the same time, so that the power can be turned on (step 3A) and the check can be performed (step 4A).
The switching is controlled.

Next, in this state, the maintenance and inspection work by the operator is started, and when the maintenance and inspection work is completed, the operator first switches off the control panel inspection switch 11 (YES in step 5A), and the judgment means 12 Turns off both the outlet circuit switch 3a and the inspection light circuit switch 4a according to the program of the RAM 12f (step 6).
A) At the same time, the controller 2 is switched and controlled to return to normal operation.

In the above flow, the control panel inspection switch 11 is not turned on in step 1A (step 1A).
(NO in A), the normal operation state is continued as it is, and in step 5A, the control panel check switch 1
1 cannot be switched off (NO in step 5A)
In the state, the control state of the elevator inspection mode in step 2A continues.

That is, in the steps of the flowchart shown in FIG. 4, each processing from step 1A to step 6A is sequentially executed by reading out a control program stored in the ROM 12e and the RAM 12f in advance.

In the first embodiment, it has been described that the operation mode of the elevator is changed by the control panel inspection switch 11 in the machine room (from the normal operation mode to the maintenance inspection operation mode). There is a configuration in which an on-cage inspection switch is provided on the upper side, and an operator can switch the operation mode of the on-cage inspection switch to perform an inspection operation by manual operation.

In this case, by replacing the control panel inspection switch 11 with a cage inspection switch in the configuration shown in FIG. 1 to FIG. 3, the operator similarly erroneously performs normal operation. Entering the inspection work under the mode is avoided.

(Second Embodiment) FIGS. 5 and 6 are configuration diagrams showing a second embodiment of the elevator control device according to the present invention. The same components as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and detailed description is omitted. FIG. 6 is a specific circuit diagram showing a case where the judging means 12 of FIG. 5 is constituted by a microcomputer, similarly to FIG. 3, but the difference from FIG. This is the point that the on-car inspection switch 6 is connected in addition to the in-control panel inspection switch 11, and that the control program related to the on-car inspection switch 6 is stored in the RAM 12f.

That is, the control panel 1 is provided with a control panel inspection switch 11 and a judging means 12, and an elevator car inspection switch 6 is provided on the elevator car. Is configured to be input to the input port 12a.

The outlet circuit switch 3a and the inspection light circuit switch 4a are connected to the output port 12b of the judgment means 12 as in the first embodiment.

Therefore, when the car inspection switch 6 and the control panel inspection switch 11 are turned on, a command signal is transmitted from the determination means 12 to the controller 2 to switch the elevator to the inspection operation mode. The motor 5 is set to rotate in the low inspection speed mode. In addition, the judging means 12 determines that the on-cage outlet circuit switch 3a
Then, a switching signal is transmitted to the lower car inspection light circuit switch 4a, and both the upper car outlet 3 and the lower car inspection light 4 are switched to a usable state.

That is, in this embodiment, both the on-car inspection switch 6 and the control panel inspection switch 11 are turned on.
By the operation, the controller 2 is switched to the inspection operation mode by the command signal from the judging means 12, and at the same time, the car upper outlet circuit switch 3a and the car lower outlet are set so that the upper car outlet 3 and the lower car inspection light 4 can be used. The switching of the check lamp circuit switch 4a is controlled.

If the inspection switch 6 above the car and the inspection switch 11 inside the control panel are turned off (off), the power supply to the receptacle 4 above the car cannot be turned on, the light 5 below the car cannot be turned on, and the operation returns to normal operation.

Next, the operation of the elevator control device shown in FIGS. 5 and 6 will be described with reference to the flowchart of FIG.

That is, first, in FIG. 5 and FIG. 6, in a state where the inspection switch 6 on the car is turned ON (YE in step 1B).
In S), when the inspection switch 11 in the control panel is turned ON (YES in step 2B), the inspection operation on the car becomes possible for the first time, and the determination means 12 and the controller 2 control the operation of the elevator in the inspection mode ( Step 3B). If the inspection switch 6 on the car is OFF (NO) in step 1B, the normal operation is continued, and if the inspection switch 11 in the control panel is OFF (NO) in step 2B, the inspection switch 11 in the control panel is turned on. The state of waiting for switching continues.

In step 3B, the judgment means 12 and the controller 2
When the user switches the elevator to the inspection mode, the determining means 12
Turns on the car outlet circuit switch 3a and the inspection light circuit switch 4a at the same time, so that the car outlet 3 is in the power-on state (step 4B) and the car lower inspection light 4 is also in the checkable state (step 5B). The switching is performed, and the inspection work by the operator is started.

Next, the inspection work of the worker is completed, and the worker switches off the inspection switch 6 on the basket (step 6).
(YES in B), and then the check switch 11 in the control panel is also turned off.
When the mode is switched to F (YES in step 7B), determination means 1
2 turns off both the car upper outlet circuit switch 3a and the car lower inspection light circuit switch 4a (step 8).
B) Return to normal operation.

In the above flow, if the inspection switch 6 on the car is not turned off in step 6B (NO), and if the inspection switch 11 in the control panel is not turned off in step 7B (NO), either Also returns to step 3B, and the control in the elevator inspection mode continues.

Therefore, for example, in the steps of the flowchart shown in FIG.
Each process up to B is sequentially executed by reading out a control program stored in the ROM 12e and the ROM 12f in advance.

(Third Embodiment) FIGS. 8 and 9 are block diagrams showing a third embodiment of the elevator control device according to the present invention. The second embodiment shown in FIGS. 5 and FIG. 6 is different from the configuration of FIG.
Instead of the car inspection switch 7, the output of the car inspection switch 7 is connected to the determination means 12.

Accordingly, in the detailed circuit diagram shown in FIG. 9, an in-car inspection switch 7 is connected to the input port 12a of the judging means 12 in addition to the in-car inspection switch 11, and the control relating to the in-car inspection switch 7 is performed. The program is RAM1
2f.

The other configuration is the same as that of the second embodiment, so that the detailed description will be omitted, and the operation will be described below with reference to the flowchart of FIG.

That is, when the in-car inspection switch 7 is turned on in step 1C (YES in step 1C), elevator control by the in-car inspection operation becomes possible (step 2C), and the ON signal of the in-car inspection switch 7 is received. The judgment means 12 turns off both the outlet circuit switch 3a and the inspection light circuit switch 4a (step 3).
C).

Next, when the operator turns on the control panel inspection switch 11 (YES in step 4C), the outlet circuit switch 3a and the inspection light circuit switch 4a are both turned on for the first time (step 5C), and the basket outlet 3 is turned on. Is turned on, and the inspection light 4 under the car can be turned on, and the inspection work by the operator is started.

Next, when the worker's inspection work is completed and the operator switches off the control panel inspection switch 11 (YES in step 6C), both the outlet circuit switch 3a and the inspection light circuit switch 4a are turned off ( Step 7C), the power supply connection to the upper car outlet 3 and the turning-on of the lower car inspection light 4 also become impossible.

Finally, the in-car inspection switch 7 is turned off (YES in step 8C) to return to normal operation.

In step 1C, when the in-car inspection switch 7 is OFF (NO), the normal operation state continues, and in step 4C, the operator turns off the control panel inspection switch 11 (NO). At this time, the power connection of the upper car outlet 3 and the turning-on of the lower car check light 4 become impossible. In step 6C, the operator does not switch off the control panel inspection switch 11 (NO).
At that time, the state where the inspection work can be continued continues.

Further, each processing from step 1C to step 8C shown in FIG.
The control program stored in advance in f is read and executed sequentially.

As described above, the elevator control device according to the present invention is in a state where the car upper outlet 3 and the car lower check light 4 can be used only after the switch inside the control panel in the machine room is reliably switched and controlled. In addition, the danger that a worker may erroneously perform maintenance work when the elevator is in a normal operation state is avoided.

[0058]

As described above, according to the present invention, in an elevator control apparatus having a car upper outlet and a car lower check light for an inspection work, a control panel check switch or the like is used during an inspection work on the car or the like. Is configured so that the switching operation can be performed reliably, so that accidental switching of the inspection switch when performing inspection work on the car prevents the occurrence of accidents such as the worker getting caught in the car, etc. be able to.

[Brief description of the drawings]

FIG. 1 is a view for explaining a first embodiment of an elevator control device according to the present invention, wherein FIG.
FIG. 1B is an explanatory diagram of the operation.

FIG. 2 is a specific configuration diagram of the device shown in FIG.

FIG. 3 is a detailed circuit diagram showing a configuration of a determination unit of the apparatus shown in FIG. 2;

FIG. 4 is a flowchart for explaining an inspection operation in the apparatus shown in FIGS. 1 to 3;

FIG. 5 is a configuration diagram showing an elevator control device according to a second embodiment of the present invention.

FIG. 6 is a detailed circuit diagram showing a configuration of a determination unit of the apparatus shown in FIG. 5;

FIG. 7 is a flowchart for explaining an inspection operation in the apparatus shown in FIGS. 5 and 6;

FIG. 8 is a configuration diagram showing a third embodiment of the elevator control device according to the present invention.

9 is a detailed circuit diagram showing a configuration of a determination unit of the apparatus shown in FIG.

FIG. 10 is a flowchart for explaining an inspection operation in the apparatus shown in FIGS. 8 and 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Control board 11 Inspection switch in control panel 12 Judgment means 2 Controller 3 Outlet on car 3a Outlet circuit switch on car 4 Inspection light under car 4a Inspection light circuit below cage 5 Motor 6 Inspection switch on car 7 Inspection switch in car

Claims (3)

[Claims] 1. An elevator control device capable of performing an inspection operation control by operating a control panel inspection switch or an on-car inspection switch, wherein an operation of the control panel inspection switch or the on-car inspection switch causes an on-car outlet circuit switch. And the under-car check light circuit switch is configured to operate in conjunction with each other, and only when the control panel check switch or the on-car check switch is operated to switch to the check operation mode, the above-car outlet and the below-car check light are operated. An elevator control device characterized by being able to operate. 2. An elevator control device capable of performing an inspection operation control by switching operation of a control panel inspection switch and an on-car inspection switch, wherein an operation of the control panel inspection switch causes an on-car outlet circuit switch and an under-car inspection. The light circuit switch is configured to operate in conjunction with each other, and only when the control panel inspection switch is operated to switch to the inspection operation mode, the car upper outlet and the car lower inspection light can be operated. Elevator control device. 3. An elevator control device capable of performing an inspection operation control by operating a control panel inspection switch and an in-car inspection switch, wherein the operation of the control panel inspection switch causes an on-car outlet circuit switch and an under-car inspection light. An elevator, wherein the circuit switch is configured to operate in conjunction with each other, and only when the control panel inspection switch is operated to switch to the inspection operation mode, the car upper outlet and the car lower inspection light can be operated. Control device.