JP7166196B2 - Information display device for elevator control panel - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information display device that displays the state of a power supply section of an elevator control panel.

2. Description of the Related Art Conventionally, when performing maintenance and inspection of an elevator system, a sign is installed at the boarding point of each floor to inform passengers that the elevator cannot be used at present. For example, Patent Literature 1 describes a display tag attached to a jamb of an elevator hall. When this sign is attached to the three-sided frame with a magnet, it states that in addition to the character display "under regular inspection", it informs passengers that the elevator is being inspected by light, sound, etc. It is

JP 2012-153523 A

By the way, when maintenance and inspection work is performed on an elevator, a control panel display tag indicating whether the power is being turned on or off is attached to the control panel that controls the overall operation of the elevator. By installing such display tags, maintenance workers can check the status of the power supply section on the control panel, thereby preventing inadvertent changes in the status of the power supply section. This increases the safety of maintenance and inspection work.

However, the current display tag for the control panel, for example, has the letters "Work in progress" and "Do not insert" on the front and back of the magnetic plate, and the magnetic plate is attached to the magnetic housing of the control panel. The status of the power supply unit was displayed by attaching it to the Therefore, when the state of the power supply unit is switched, it takes time and effort to temporarily remove the display tag from the housing of the control panel, turn it over, and reattach it. In addition, if you forget to turn over the display tag when switching the state of the power supply, the state of the power supply may not match the content displayed on the display tag, which hinders the safety of maintenance and inspection work. It will be.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an information display device for an elevator control panel that does not require time and effort to switch the status display of the power supply section of the control panel and that can ensure the safety of maintenance and inspection work. .

An information display device for an elevator control panel according to the present invention is an information display device for an elevator control panel, which is attached to a control panel provided with a power supply unit for turning on or off power supplied to an elevator, wherein the power supply unit is turned on. a display unit that displays information corresponding to the state and the shutdown state, a communication unit that communicates with the control panel to acquire the ON state and the shutdown state of the power supply unit, and the power supply unit acquired by the communication unit; and a control unit for controlling the display unit to display information corresponding to the ON state and the OFF state.

According to this configuration, the information corresponding to the state of the power supply unit is automatically displayed on the display unit, which saves the trouble of turning over the display tag as in the conventional art, and improves the efficiency of maintenance and inspection work. In addition, the state of the power supply unit and the information displayed on the display unit do not become inconsistent, and the safety of maintenance and inspection work can be ensured.

The elevator control panel information display device according to the present invention may be configured by a smart phone. According to this configuration, by using the smart phone, which is lent by the company to the worker who performs the maintenance and inspection work and is always carried, as an information display device, the worker does not need to bring the display tag for the control panel, and the work can be performed. It can reduce the number of items a member carries and eliminates the possibility of forgetting to bring them.

Further, the elevator control panel information display device according to the present invention may be magnetically attached to the housing of the control panel by a holding member with a magnet. With this configuration, the information display device can be easily attached to the housing of the control panel.

Further, in the information display device for an elevator control panel according to the present invention, the power supply section of the control panel is configured to switch between an on state and an off state based on a power supply section switching signal transmitted from the display section. wherein, when the communication unit receives a command to switch the state of the power supply unit from a communication terminal carried by a worker, the control unit transmits a power supply unit switching signal according to the command from the communication unit to the control panel. The power supply unit may be switched to the ON state or the OFF state by doing so. According to this configuration, the operator can switch the power supply unit without going to the machine room or pit where the control panel is installed, and the efficiency of maintenance and inspection work can be greatly improved.

Further, in the elevator control panel information display device according to the present invention, the control unit may have a function of transmitting a command to generate an alarm sound in the communication terminal when the power supply unit is manually switched. . According to this configuration, the operator can confirm that the state of the power supply unit has been changed by the alarm sound, and the safety of the maintenance and inspection work can be improved.

Further, in the information display device for an elevator control panel according to the present invention, when a predetermined condition is satisfied, the operator carries information indicating whether the power supply unit is in the ON state or the OFF state from the communication unit. It may have a function of transmitting to a communication terminal to display the state of the power supply unit on a display unit of the communication terminal. According to this configuration, when the predetermined conditions are satisfied, the worker can always check the state of the power supply section of the control panel using the communication terminal that he/she carries, thereby improving the safety and work efficiency of the maintenance and inspection work. be able to.

In this case, the predetermined conditions are when a worker carrying the communication terminal approaches the control panel, when a safety switch installed on the car of the elevator or in the pit is operated, when the worker at least one of when an inquiry about the state of the power supply unit is made via .

Further, the information display device for an elevator control panel according to the present invention has a function of generating a voice message corresponding to the display contents from the communication terminal when displaying the state of the power supply unit on the display unit of the communication terminal. may According to this configuration, the operator can confirm the state of the power supply unit by both the display contents of the display unit and the voice message, and can more reliably confirm the state of the power supply unit.

According to the elevator control panel information display device according to the present invention, it is possible to save time and effort in switching the state display of the power supply section of the control panel, and to ensure the safety of maintenance and inspection work.

It is a figure showing the whole elevator composition in which the information display for elevator control boards which is one embodiment of the present invention was installed. It is a perspective view of the control panel in which the information display device for elevator control panels was installed. It is a perspective view which shows the information display apparatus for elevator control panels, and a holding member with a magnet. It is a figure which shows the state by which the display part of the information display apparatus for elevator control panels is carrying out the character display of (a) work in progress or (b) input prohibition. It is a functional block diagram of the information display device for elevator control boards which communicates with a control board and a communication terminal. FIG. 10 is a diagram showing a power unit switching screen displayed on a display unit of a smartphone that is a communication terminal; It is a figure which shows the state in which the display part of the information display apparatus for elevator control panels is carrying out the character display of (a) powering on, or (b) powering off.

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. In this description, specific shapes, materials, numerical values, directions, etc. are examples for facilitating the understanding of the present invention, and can be appropriately changed according to usage, purpose, specifications, and the like. In addition, when a plurality of embodiments and modifications are included below, it is assumed from the beginning that the characteristic parts thereof will be used in combination as appropriate.

FIG. 1 is a diagram showing the overall configuration of an elevator 10 in which an information display device for an elevator control panel (hereinafter simply referred to as "information display device") 20, which is an embodiment of the present invention, is installed.

Elevator 10 includes a car 14 positioned within hoistway 12 . One end of each of a plurality of ropes 16 is connected to the ceiling of the car 14 . A plurality of ropes 16 extend into the machine room 1 through an opening 13 formed in the ceiling of the hoistway 12 .

A machine room 1 is provided with a motor 2 for raising and lowering a car 14 of an elevator 10 . A sheave 3 is fixed to the rotating shaft of the motor 2 . A plurality of ropes 16 are wound around the upper side of the outer peripheral surface of the sheave 3 in the machine room 1 over half the circumference. The other ends of the plurality of ropes 16 hang down from the sheave 3 in the machine room 1 , and each other end is connected to a counterweight 18 .

A control panel 4 is installed in the machine room 1 . The control panel 4 includes a power supply unit 5 for turning on or off power supplied to the elevator 10 . Also, the control panel 4 has a function of controlling and monitoring the operation of the elevator 10 as a whole. The motor 2 is driven by the control panel 4 so that the car 14 moves up and down within the hoistway 12 .

In the above description, an example in which the control panel 4 is installed in the machine room 1 provided above the hoistway 12 has been described, but the present invention is not limited to this. In an MRL (Machine Room Less) type elevator without a machine room, the control panel 4 may be installed in a pit 15 at the bottom or bottom of the hoistway 12, as indicated by the dashed line in FIG.

A safety switch 17 is installed on the ceiling of the car 12 . The safety switch 17 is a switch for preventing the car 12 from moving (that is, restricting the drive of the motor 2) when the worker M who performs maintenance and inspection work on the elevator 10 turns it on. The safety switch 17 may be provided as a stop button on an operation switch used when the worker M manually moves the car 14 up and down on the car 14 . A safety switch may also be installed in the pit 15 so that the worker M working in the pit 15 can stop the operation of the car 14 so that it does not move.

FIG. 2 is a perspective view of a control panel on which the information display device 20 is installed. FIG. 3 is a perspective view showing the information display device 20 and a holding member with a magnet. The control board 4 has a magnetic housing 4a. The power supply unit 5 is provided in an exposed state on the front surface of the magnetic housing 4a. The power supply unit 5 has an operation lever 5a that can be operated to swing vertically. When the operating lever 5a is moved to the upper position as shown in FIG. 2, the elevator 10 is powered and becomes operable. On the other hand, when the operating lever 5a of the power supply unit 5 is operated to the lower position, power to the elevator 10 is cut off, and the elevator 10 is inoperable in this state.

An information display device 20 is attached to the front surface of the magnetic housing 4 a of the control panel 4 and to the side of the power supply section 5 . The information display device 20 may be configured by, for example, a smart phone carried by the worker M. In this case, as shown in FIG. 3, the information display device 20 is held by being fitted in the holding member 30, and is attached to the magnetic housing 4a of the control panel 4 by the magnetic force of the magnet 32 fixed to the holding member 30. Can be attached by suction.

If the information display device 20 is configured by a smart phone in this way, the worker M who performs maintenance and inspection work can use the smart phone, which is lent by the company and is always carried, as the information display device so that the worker can display the control panel display. There is no need to bring a tag, the number of items carried by the worker can be reduced, and there is no need to forget to bring it.

The worker M may always carry the information display device 20, which is a smart phone, in a state in which it is fitted in the holding member 30 with a magnet. Alternatively, the holding member 30 with magnet may be permanently installed in a state of being attracted to the magnetic housing 4a of the control panel 4, and the information display device 20 may be fitted by the operator M during maintenance and inspection work. The shape of the holding member 30 does not have to be the shape of the smartphone case shown in FIG.

FIG. 4 is a diagram showing a state in which the display unit 22 of the information display device 20 displays characters indicating (a) work in progress or (b) input prohibition. As shown in FIGS. 3 and 4, the information display device 20 has a display section 22 . The display unit 22 is suitably configured by, for example, a liquid crystal display, an organic EL display, or the like. The display unit 22 can display information corresponding to the ON state and the OFF state of the power supply unit 5 respectively. As a specific example, when the power supply unit 5 is in the ON state, as shown in FIG. is in the cut-off state, the display unit 22 displays the character information "Caution, Prohibition of Input, Responsible Person XXXXX" as shown in FIG. 4(b). Here, "responsible person ○○○○" is the name of the person who has the authority to switch the state of the power supply section 5 to on or off among the workers M who perform the maintenance and inspection work. In addition, when there is only one worker M, that person naturally becomes the person in charge.

As shown in FIGS. 4A and 4B, a slide bar 24 is displayed at the lower end of the display section 22. As shown in FIGS. By sliding the slide bar 24 by a touch operation, the display contents of the display unit 22 can be switched. Specifically, when the slide bar 24 is slid leftward in the state shown in FIG. When the slide bar 24 is slid to the right in the state shown in b), the display contents of the display section 22 are switched to the display contents shown in FIG. 4(a). As described above, according to the information display device 20 of the present embodiment, when switching the display content, it is not necessary to temporarily remove the display tag, turn it over, and attach it again as in the conventional art. can be easily switched.

FIG. 5 is a functional block diagram of the information display device 20 communicating with the control panel 4 and the communication terminal 40. As shown in FIG. In the example shown in FIG. 5, the worker M carries a smartphone (communication terminal) 40 even during maintenance and inspection work, and the information display device 20 attached to the control panel 4 is displayed by another device such as a tablet terminal. Configured.

As shown in FIG. 5 , the control panel 4 has a drive section 6 and a communication section 7 . The driving unit 6 has a function of receiving the power unit switching vibration received by the communication unit 7 and switching the state of the power unit 5 . Specifically, the drive unit 6 has, for example, a motor (not shown) as a power source, and the driving force of the motor shifts the operation lever 5a of the power supply unit 5 from the ON state to the OFF state or the OFF state. can be switched from the ON state to the ON state.

The communication unit 7 can receive a power supply unit switching signal from the information display device 20 and transmit a signal representing the state of the power supply unit 5 to the information display device 20 . In order to ensure communication performance with the information display device 20, the communication section 7 is preferably provided so as to be exposed on the front surface of the magnetic housing 4a. Since the communication unit 7 of the control panel 4 and the information display device 20 are arranged close to each other, a short-range communication method such as Bluetooth (registered trademark) can be preferably used as a communication method between them.

The information display device 20 includes a display section 22 , a control section 26 and a communication section 28 . The display unit 22 can display the ON state or the OFF state as described above with reference to FIGS.

The control unit 26 has a function of controlling the display unit 22 to display information corresponding to the ON state and the OFF state of the power supply unit 5 acquired by the communication unit 28 . The communication unit 28 has a function of communicating with the communication unit 7 of the control panel 4 and acquiring the ON state and the OFF state of the power supply unit 5 . When the control unit 26 receives an ON state signal indicating that the power supply unit 5 is in the ON state from the communication unit 7 of the control panel 4, the control unit 26 causes the display unit 22 to display the display contents shown in FIG. Control. On the other hand, when the control unit 26 receives the cutoff state signal indicating that the power supply unit 5 is in the cutoff state from the communication unit 7 of the control panel 4, the control unit 26 causes the display unit 22 to display the display contents shown in FIG. 4(b). to control.

As described above, according to the information display device 20 of the present embodiment, information corresponding to the state of the power supply unit 5 of the control panel 4 is automatically displayed on the display unit 22. This saves time and improves the efficiency of maintenance and inspection work. In addition, the state of the power supply unit 5 and the information displayed on the display unit do not match, and the safety of maintenance and inspection work can be ensured.

The communication unit 28 of the information display device 20 can also communicate with the smart phone 40 carried by the worker M. A person in charge of the worker M who has the authority to switch the power supply unit 5 (hereinafter referred to as the operation supervisor M) can switch the state of the power supply unit 5 of the control panel 4 using his own smartphone 40. .

FIG. 6 is a diagram showing a power unit switching screen displayed on the display unit 42 of the smartphone 40, which is a communication terminal. The person in charge M launches a dedicated application for maintenance and inspection work, and causes the display unit 42 to display a power supply unit switching screen as shown in FIG. The current state of the power supply section 5 is displayed on this power supply section switching screen. As a specific example, on the display screen of the power supply unit, the characters "ON" and "OFF" are displayed surrounded by frames 44 and 46, respectively, and the frame 44 surrounding the characters indicating the current state "ON" is displayed. For example, it is lit in a conspicuous color such as red. In this state, when the person in charge M touches the inside of the frame 46 that encloses the characters that are being cut off, the smart phone 40 transmits a command to cut off the power supply unit 5 to the information display device 20 .

In the information display device 20 that has received this command in the communication unit 28 , the control unit 26 generates a power supply unit switching signal requesting shutdown of the power supply unit and transmits the power supply unit switching signal from the communication unit 28 to the control panel 4 . As a result, the control panel 4 receives the power supply section switching signal for shutting off the power supply section 5 and drives the drive section 6, thereby switching the power supply section 5 from the on state to the off state.

When the power supply unit 5 of the control panel 4 switches from the ON state to the cut-off state, a state signal indicating the cut-off state is transmitted from the communication unit 7 to the smartphone 40 of the worker M via the information display device 20 . As a result, on the power supply unit switching screen displayed on the display unit 42 of the smart phone 40, the inside of the frame 46 surrounding the character “Off” lights up in red, for example, and the inside of the frame 44 surrounding the character “On” lights up in the same color as the outside of the frame. Switches to the white lighting state. Thereby, the person responsible for the work M can confirm that the power supply unit 5 has been switched to the cut-off state.

The person in charge M can switch the power supply unit 5 of the control panel 4 from the cut-off state to the on state by the same operation using the power supply unit switching screen.

As described above, according to the information display device 20 of the present embodiment, the state of the power supply unit 5 of the control panel 4 can be switched by remote control using the smart phone 40 of the person in charge M of work. Therefore, the person in charge of work M can switch the power supply unit 5 without going to the machine room 1 or the pit 15 where the control panel 4 is installed, and the efficiency of maintenance and inspection work can be greatly improved.

Note that, when receiving the state switching command of the power supply unit 5, the control unit 26 of the information display device 20 determines whether or not the smartphone 40 that has transmitted the state switching command belongs to the person in charge M. For example, it is preferable to display an authentication screen for inputting a passcode on the display unit 42 of the smartphone 40 .

When a predetermined condition is satisfied, the information display device 20 transmits information indicating whether the power supply unit 5 is in the ON state or the OFF state from the communication unit 28 to the smartphone 40 carried by the worker. It may have a function of displaying the state of the power supply unit 5 on the display unit 42 .

Here, the above "predetermined conditions" are when the worker M carrying the smartphone 40 approaches the control panel 4, when the safety switch 17 installed on the car 14 of the elevator 10 or in the pit 15 is operated. , when the worker M inquires about the state of the power supply unit 5 via the smartphone 40 . Since the operation signal of the safety switch 17 is input to the control panel 4 , the information display device 20 can receive the operation signal of the safety switch 17 via the communication section 7 of the control panel 4 . Further, whether or not the worker M has approached the information display device 20 can be determined by the worker M when the information display device 20 and the smartphone 40 are capable of short-distance communication using, for example, Bluetooth (registered trademark). has approached within a predetermined distance. Further, the worker M's inquiry via the smartphone 40 may be made by touching the inquiry screen provided in the dedicated application, or by using the voice input function of the smartphone 40. good too.

By such a function of the information display device 20, it is displayed on the display unit 42 of the smart phone 40 of the worker M as shown in FIGS. 7(a) and 7(b). As a specific example, when the power supply unit 5 is in the ON state, the display unit 42 displays "Now the power is being turned on" as shown in FIG. 42, as shown in FIG. 7(b), a message "The power is currently being cut off" is displayed. When displayed in this manner, it is preferable to generate a voice message of the same content from smartphone 40 .

Since the worker M can check the state of the power supply unit 5 using the smartphone 40 as described above, it is possible to improve the safety of the maintenance and inspection work. Moreover, by generating a voice message in addition to the display on the display unit 42, the state of the power supply unit 5 can be recognized both visually and aurally, and the safety of maintenance and inspection work can be further improved. can.

Further, in the information display device 20 according to the present embodiment, when the operation lever 5a of the power supply unit 5 is manually switched, the control unit 26 may have a function of transmitting a command to generate an alarm sound in the smartphone 40. good. In this way, the worker M can confirm that the state of the power supply unit 5 has been changed by the alarm sound, and the safety of the maintenance and inspection work can be improved.

The information display device for an elevator control panel according to the present invention is not limited to the above-described embodiment and modifications thereof, and various modifications and changes can be made within the scope of the claims of the present application. Improvements are of course possible.

1 machine room, 2 motor, 3 sheave, 4 control panel, 4a magnetic housing, 5 power supply unit, 5a operation lever, 6 drive unit, 7, 28 communication unit, 10 elevator, 12 hoistway, 13 opening, 15 pit, 16 rope, 17 safety switch, 18 counterweight, 20 information display device for elevator control panel, 22, 42 display unit, 24 slide bar, 26 control unit, 30 holding member with magnet, 32 magnet, 40 smartphone (communication terminal), 44, 46 frame, M worker or person in charge of work.

Claims (7)

An information display device for an elevator control panel attached to a control panel equipped with a power supply unit for turning on or off power supplied to the elevator,
a display unit for displaying information corresponding to the ON state and the OFF state of the power supply unit;
a communication unit that communicates with the control panel and acquires an on state and an off state of the power supply unit;
a control unit that controls the display unit to display information corresponding to the ON state and the OFF state of the power supply unit acquired by the communication unit ;
The information display device for the elevator control panel is configured by a smartphone,
Information display device for elevator control panel. 2. The information display device for an elevator control panel according to claim 1, wherein the information display device for an elevator control panel is magnetically attached to a housing of the control panel by a holding member with a magnet. The power supply unit of the control panel is configured to switch between an on state and an off state based on a power supply unit switching signal transmitted from the display unit,
When the communication unit receives a command to switch the state of the power supply unit from a communication terminal carried by a worker, the control unit transmits a power supply unit switching signal according to the command from the communication unit to the control panel. 2. The information display device for an elevator control panel according to claim 1, wherein the power supply unit is switched between an on state and an off state by pressing the switch. 4. The elevator control according to claim 3 , wherein the elevator control panel information display device has a function of transmitting a command for causing the communication terminal to generate an alarm sound when the power source is manually switched. Board information display device. When a predetermined condition is satisfied, the elevator control panel information display device transmits information indicating whether the power supply unit is in an on state or an off state from the communication unit to a communication terminal carried by a worker. 2. The information display device for an elevator control panel according to claim 1, having a function of displaying the state of said power supply unit on a display unit of said communication terminal. The predetermined conditions are when a worker carrying the communication terminal approaches the control panel, when a safety switch installed on the car of the elevator or in the pit is operated, when the worker via the communication terminal 6. The information display device for an elevator control panel according to claim 5 , wherein the information display device for an elevator control panel is at least one of when an inquiry about the state of the power supply is made. 7. The elevator control panel information display device has a function of generating a voice message corresponding to the display content from the communication terminal when displaying the state of the power supply unit on the display unit of the communication terminal. The information display device for the elevator control panel according to 1.

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