JPH09171713A - Apparatus and method for illumination of automatic warehouse - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save electricity, enhance working efficiency, increase safety to prevent an accident by automatically or manually lighting a ceiling light, a master light, and a carriage light movably arranged on both sides of a carriage depending on a work mode. SOLUTION: In order to directly turn on or off a ceiling light 40, a master light 160, and a carriage light, a user sets lighting in an automatic mode or a manual mode by using a keyboard in a central control room. A central processing unit receives a put in out work instruction, and if an error does not generate in a stacker crane 100, put in out work is continued, and if an error generates, the master light 160 is put out. Then, the generation of a carriage error is confirmed, and if the error generated, the carriage light is lit, and when it was judged that the cause of the error was removed, the carriage light is put out. By automatically or manually lighting depending on the work mode, electricity is saved, working efficiency is enhanced, and safety is ensured to prevent an accident.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for an automatic warehouse and a method thereof, and more particularly, to a high-rise type lighting device capable of improving power saving and lighting efficiency by using a master lamp installed on an upper portion of a stacker crane. The present invention relates to an automatic warehouse lighting device and a method thereof.

[0002]

2. Description of the Related Art FIG. 6 is a longitudinal sectional view of a conventional automatic warehouse, and FIG. 7 is a plan view of FIG. As shown in the figure, a lighting device is installed on the ceiling, and in order to turn on a desired light in the lighting device, a corresponding switch among a plurality of switches provided at a separate location is operated and turned on. .

[0003] Generally, a method of loading cargo at a desired location in an automatic warehouse is as follows. First, when a radio command is issued from the central control room 60 to the stacker crane 10, the scraper crane 10 moves in the front-rear direction along the rail installed at the bottom of the automatic warehouse, and is installed between the support columns on both sides. The carriage 20 that moves in the vertical direction is driven, and the cargo 30 is loaded on the corresponding loading container pointed out by the wireless command among the plurality of cargo loading containers installed on both sides of the cargo passage.

[0004] A plurality of ceiling lights 40 are installed above each cargo passage in the automatic warehouse for performing such operations, and a distribution board 50 for controlling power supplied to the ceiling lights 40; A central control room 60 for wirelessly controlling the stacker crane 10 was provided. Therefore, when loading or unloading cargo, when the stacker crane 10 is to be maintained or the cargo passage or the loading container is to be checked, the user turns on a desired light in the plurality of ceiling lights 40, A corresponding switch among a plurality of switches provided on the panel board 50 is searched and turned on.

[0005]

However, in such a conventional high-rise automatic warehouse, when controlling a lighting device, a desired lamp should be selectively turned on among a plurality of lamps installed on a ceiling. is there. For this reason, there has been a complicated operation of moving to the distribution board every operation, lighting the switch after confirming the corresponding switch. In order to avoid this, all of the plurality of ceiling lights are turned on, so that there is a problem that a large amount of unnecessary power is consumed.

Furthermore, when cargo is loaded on the uppermost loading container of an automatic warehouse, the lighting of the lower loading container is shut off, so that a separate lighting mechanism must be used when checking the cargo. There was a problem. Also, while working on the stacker crane under poor lighting conditions,
There was a problem that a serious injury accident occurred due to the crash.

SUMMARY OF THE INVENTION An object of the present invention is to provide a sufficient lighting environment even with a small number of lights, install lights on the upper part of a stacker crane and a carriage, and automatically control blinking of the lights according to a work mode and a maintenance mode. It is an object of the present invention to provide an automatic warehouse lighting device and a method thereof.

[0008]

SUMMARY OF THE INVENTION An automatic warehouse lighting device of the present invention is installed above each cargo passage, and illuminates a warehouse throughout the cargo passage including the cargo passage. A master light which is installed and illuminates around the place where the stacker crane is located and is used as a position display and a warning light on a passage, and a loading container which is installed on both sides of the carriage and is located on the left and right sides of the stacker crane. A carriage light that illuminates the interior and illuminates the periphery of the carriage during the work of the carriage, and selectively turns on the ceiling light, the master light, and the carriage light according to a control command wirelessly transmitted from the central control room, or manually. And a control group that is turned on by input.

The automatic warehouse lighting method according to the present invention includes a first step of turning on a master light in response to a cargo loading / unloading work instruction, and a step of turning on the ceiling light when an error occurs in the stacker crane. The second step of turning off the light, the third step of turning on the carriage light when an error occurs in the carriage, and the fourth step of turning off the ceiling light are performed.

[0010]

Embodiments of the present invention will be described below. Schematic diagrams of a lighting device for an automatic warehouse according to the present invention are shown in FIGS. That is, the ceiling light 40 that illuminates the warehouse generally including the cargo passages installed above each cargo passage, and the stacker crane 100 installed above the stacker crane 100 moves and stops in the front-rear direction. A master lamp 160 which sometimes illuminates the area directly above and is used as a position indicator and a warning lamp on a passage.
And a carriage light 170 movably and detachably installed on both sides of the carriage 120 to illuminate the inside of the loading container located on the left and right sides of the stacker crane 100 and to illuminate the periphery of the carriage 120 during the work of the carriage.
a, 170b, and a control panel 200 for selectively lighting the ceiling light 40, the master light 160, and the carriage lights 170a, 170b in accordance with a control command wirelessly transmitted from the central control room, or for lighting by a manual input. , Consisting of

FIG. 4 is a detailed block diagram of the control panel 200 shown in FIG. 1. In the control panel 200, a host computer 320 of the central control room 300 is transmitted via a wireless communication device 310 of the central control room 300. A wireless communication device 210 that is in charge of communication with the control panel 200, a central processing unit 230 that is controlled by the upper computer 320 through the wireless communication device 210, and a cargo detection unit 280 that detects a loading state of the cargo. A manual operation panel 290 for outputting a manual operation signal, and a safety switch unit 292 for detecting a limit position when the stacker crane 100 moves back and forth and left and right.
A position detection unit 250d for detecting the traveling position of the stacker crane 100, the getting on / off position of the carriage 120, and the position of the fork 180; and an input port for transmitting an output signal of the position detection unit 250d to the central processing unit 230. 220, an output port 240 for receiving a load drive signal from the central processing unit 230, and a display unit 260 for displaying an operating state of the stacker crane 100 and a message for a user according to the load drive signal from the output port 240. And an illumination control unit 270 that controls blinking of various lights by a load drive signal from the output port 240;
It has.

In the position detecting section 250d, a traveling position detector 251d for detecting the traveling position of the stacker crane 100, a getting on / off position detector 252d for detecting the getting on / off position of the carriage 120, and a position of the fork 180 are detected. And a fork position detector 253d. In the motor section 250m, the control panel 2
A traveling motor 251 m for moving the stacker crane 100 in the front-rear direction under the control of
And a fork motor 25 mounted on one side of the carriage 120 for operating the carriage 120 vertically and a fork motor 25 mounted on the carriage 120 for moving cargo horizontally.
3 m.

The central control room 300 includes a host computer 320 and a wireless communication device 310. Less than,
The operation and effect of the lighting device according to the present invention thus configured will be described with reference to FIGS. 1 to 3 and 4. When a work command is issued from the host computer 320 to the stacker crane 100 through the wireless communication device 310 of the central control room 300, the wireless communication device 210 of the control panel 200 of the stacker crane 100 receives the work command and receives the work command. 2
30. The output port 2 is then used by the central processing unit 230 to perform work according to the received work instruction.
When the traveling motor 251m is driven through 40, the stacker crane 100 moves forward and backward along a rail (not shown) installed at the bottom of the warehouse. At this time, the current traveling position is grasped through the traveling position detector 251d, and when the traveling position reaches a desired position, the traveling motor 251 is detected.
m is important.

Thereafter, the central processing unit 230 drives the lift motor 252m through the output port 240 to raise or lower the carriage 120 to a desired height, and the lift position detector 252d detects the carriage 12
After reaching the desired position after grasping the movement position of 0,
The driving of the elevator motor 252m is stopped. In this state, the pork motor 253m is driven, and the cargo 150 is put into a desired loading container. At this time, the fork position detector 253d detects the movement position of the fork.

On the other hand, the lighting control assumption of the ceiling light 40, the master light 160, and the carriage lights 170a and 170b of the present invention will be described with reference to FIG. The ceiling light 40,
Master lamp 160 and carriage lamps 170a, 170
When turning on or off b directly, the user sets the lighting to the automatic mode using a keyboard (not shown) in the central control room 300, or uses a separate keyboard (not shown) of the control panel 200. To set to manual mode. That is,
When a user selects an automatic mode or a manual mode using a keyboard of the central control room 300 and a keyboard provided on the control panel 200 (S1), the central processing unit 2 is activated.
30 recognizes this and, at a desired time, the ceiling light 40 and the master light 1 according to the work command issued from the central control room 300.
60 and the carriage lights 170a, 170b are automatically turned on.

After the automatic lighting mode is set, when the central processing unit 230 has not received a loading / unloading work command from the host computer 320 of the central control room 300, the master lamp 160 is turned on ( S3),
Wait for a first standby time (about 15 minutes) of a predetermined time (S
4). After that, when no fluctuation occurs, the master light 160 is turned off, and then the process returns to the loading / unloading work command confirmation stage (S5).

When the central processing unit 230 receives the loading / unloading work instruction (S2), the master light 160
Is turned on (S6), it is checked whether an error has occurred in the stacker crane 100 itself (S7), and if no error has occurred, the above-mentioned loading / unloading work instruction receiving step (S6)
Return to step 2) to continue the loading / unloading work. However, when an error occurs in the stacker crane 100,
The ceiling lamp 40 is turned on (S8), but the master lamp 160 is turned off because only the ceiling lamp 40 suffices in this state (S9).

Next, it is confirmed whether or not a carriage error has occurred (S10).
The carriage lights 170a and 170b are turned on (S1
1). That is, the carriage lamp 17 turned on in step S11.
0a and 170b are used to illuminate the periphery of the carriage. In such a state, the central processing unit 230 operates the carriage 12
After checking whether the cause of the error 0 has been removed (S12), if it is determined that the cause of the error has been removed, the carriage lights 170a and 170b are turned off (S13). Thereafter, it is checked whether a second standby time (about 10 minutes), which is a time when the user completely exits the stacker crane 100 to the outside of the warehouse, has elapsed (S14). When it is determined that the second standby time has elapsed, the ceiling light 40 is determined. Is turned off (S15), and the carriage lights 170a and 170b are not turned off when the time has not elapsed. If there is no carriage cause, the ceiling light 40 is turned off immediately.

Therefore, the user can use the illumination by the ceiling light 40 illuminated in the warehouse to change the current stacker crane 1
00, it is possible to easily remove the cause of the error of the stacker crane 100 itself and the cause of the error of the carriage 120. The carriage light 170
Since a and 170b can be freely moved, the lighting direction can be adjusted to illuminate a desired place brightly.

[0020]

As described above, the lighting apparatus and method for an automatic warehouse according to the present invention can be applied to both a ceiling light installed on the ceiling of an automatic warehouse, a master light installed above a stacker crane, and a carriage. Automatically or manually turns on the carriage light movably installed on the side according to the work mode, providing a sufficient lighting environment even with a small number of lights, improving power saving and work efficiency, and also causing safety accidents Is prevented.

[Brief description of the drawings]

FIG. 1 is a diagram (part 1) illustrating a lighting device according to the present invention and a stacker crane to which the lighting device is mounted.

FIG. 2 is a diagram (part 2) illustrating the lighting device according to the present invention and a stacker crane to which the lighting device is mounted.

FIG. 3 is a diagram (part 3) illustrating a lighting device according to the present invention and a stacker crane to which the lighting device is mounted.

FIG. 4 is a detailed block diagram of a control panel of the present invention.

FIG. 5 is a flowchart illustrating a lighting method for an automatic warehouse according to the present invention.

FIG. 6 is a schematic cross-sectional view of a conventional automatic warehouse.

FIG. 7 is a plan view of FIG. 6;

[Explanation of symbols]

 10, 100 Stacker crane 20, 120 Carriage 30, 130 Cargo 40 Ceiling light 160 Master light 170a, 170b Carriage light 200 Control panel 210, 310 Wireless communication device 220 Input port 230 Central processing unit 240 output port 250d position detector 250m motor 300 central control room

Claims (6)

[Claims] 1. A ceiling light (40) installed above each cargo passage to illuminate a warehouse throughout the cargo passage, and installed above a stacker crane (100), When 100) moves and stops in the front-rear direction, it illuminates the surroundings directly above and can be moved and detached on both sides of the master light (160) used as a position display and warning light on the passage, and the carriage (120) To illuminate the inside of the loading container located on the left and right sides of the stacker crane (100),
0) the ceiling lights (40), the master lights (160), the carriage lights (170a, 170b) that illuminate the periphery of the carriage at the time of the operation, and the control commands wirelessly transmitted from the central control room (300).
And a control panel (2) for selectively lighting the carriage lights (170a, 170b) or for lighting by manual input.
00), the lighting device for an automatic warehouse. 2. The carriage light (170a, 170)
The lighting device of an automatic warehouse according to claim 1, wherein b) is installed so as to be movable and detachable. 3. A first step in which a master light (160) is turned on by a cargo loading / unloading work command, and a ceiling light (40) is turned on when an error occurs in the stacker crane (100), and the master light (160) is turned on. ), A third step of turning on the carriage lights (170a, 170b) when an error occurs in the carriage (120), and a fourth step of turning off the ceiling light (40). Lighting method for automated warehouses. 4. The method according to claim 1, wherein the first step is to turn on a master lamp when a cargo loading / unloading operation command is not received, and the master lamp is turned on after a first standby time has elapsed.
The lighting method for an automatic warehouse according to claim 3, further comprising: turning off the light. 5. The method of claim 3, wherein the third step includes directly turning off a ceiling light (40) when no error occurs in the carriage (120). 6. The method of claim 3, wherein the fourth step is performed after a second standby time has elapsed after performing the third step.