JP6667095B2 - Display unit with non-display digit between high illumination part and numeric part - Google Patents

Description

  The present invention selects and takes out and conveys various types of articles stored in a prescribed storage box installed on a storage shelf having a plurality of rows and columns in the vertical and horizontal directions while following instructions of a plurality of display lamps. The present invention relates to a display device of a storage shelf in a so-called digital picking system, which is put into individual collection boxes.

  The display of the digital picking system is equipped with a picking instruction display indicating the picking target position, a button for confirming the completion of picking work, and a number of lighting display units including a numerical display indicating the number of objects to be picked etc. Have been.

  In a digital picking system, a high-brightness lamp is flashed or lit in a large area in order to allow a picking worker to instantly determine a position to be picked from a place where many storage boxes are present. In order to accurately determine the numerical value of the numerical value display portion arranged close to the half surface where the lamp is easy to see, the digital display portion has a relatively small numerical value display area and luminance as compared with the picking instruction display portion. Attention is required.

  To cope with the above situation, although not directly, a technique of increasing the luminance of the digital display unit by applying the method of adjusting the luminance of the display unit in Patent Literature 1 can be easily conceived.

  On the other hand, although not directly, Patent Literature 2 also proposes a technique for making the numerical display easier to read, as a technique for contour enhancement in a display unit such as a liquid crystal panel has been proposed.

  As shown in FIG. 2 in Non-Patent Document 1, the sense of human changes according to the brightness of the background, and the sensitivity decreases as the background becomes brighter. As shown in FIG. , The detection probability decreases as the contrast decreases, indicating that detection is difficult if the contrast is lower than the limit recognition contrast. However, the above method corrects the relative brightness and increases the contrast. It is.

  On the other hand, for the above-mentioned problem, the display unit of the picking instruction is set to the left and the display unit of the number of picks is set to the right, so that, for example, when displaying with one digit in a three-digit display shape, the left two digits are required. It is hidden, and when displaying with two digits, the left one digit is hidden, and it is possible to provide a dark part due to voids, but from the ergonomic aspect that most workers are right-handed It is preferable to install the operation unit at a position where the picking operation completion confirmation button can be easily operated with the right hand, that is, to install the operation unit on the right side, which has conventionally been a standard arrangement. Therefore, it becomes difficult to see adjacent display units as described above.

  The above positional relationship is an effective method especially when the display unit is large, but at the picking site in recent years, the variety of products handled and the density of storing products on shelves has increased, so The miniaturization of vessels is progressing. Even if the display unit is downsized and the dimensional restrictions on operation are reduced, the display position of a series of operations on the standardized man-machine interface in “display confirmation → picking → confirmation button operation” should be reversed. This can be confusing for workers who are accustomed to standard tasks and remember their operations. Therefore, changing the conventional positional relationship must be ergonomically avoided.

  In addition, when increasing the brightness of the picking instruction unit increases the recognition at the time of work, the brightness and brightness of the numerical display become relatively weak, making it difficult to see, and the display unit is downsized. It is necessary to mount the functional components of the indicating unit and the operating unit in high density, and the structural space between the picking indicating unit and the numerical display unit is made as small as possible, so that the numerical display is more difficult to see. .

JP-A-6-347294 JP-A-2004-80787

Yosuke Okamoto Forefront of R & D “Sophistication of Sensory Algorithm” Toshiba Review Vol. 63 No. 12 (2008)

  In a so-called digital picking system, it is necessary to confirm the position where the indication of the picking instruction is issued from a plurality of storage boxes arranged on the storage shelf, and then confirm the number of pickings in the display, but it is relatively difficult. As compared with a display unit that gives a picking instruction with relatively high brightness in a large area, since the brightness is small in a relatively small area, as described in Non-Patent Document 1, there is a problem that the visual recognition sensitivity is reduced. Was.

  Furthermore, in the conventionally known methods, techniques such as increasing the brightness of the display unit or enhancing the outline of the displayed characters are known, but in each case, the addition of a control circuit is indispensable, which not only leads to a high cost, but also a high current load. Is required, it may affect the reliability and life of the display electronic device. It is an object to solve such a problem.

  To address this problem, a first display unit having a switching function of inputting a picking instruction and information on completion of picking is provided on a part of a storage shelf in which a plurality of storage boxes are arranged and arranged, and a left side of the first display unit. And a second display unit having at least a two-digit numerical display adjacent to the first display unit is provided, and when displaying with a smaller number of digits than that of the second display unit, A digital picking system characterized by providing a dark portion between the first display portion and the second display portion by using the digit display portion in a non-priority manner, so that both adjacent displays are sharpened for easy viewing. Is a display device.

  In order to use the right digit display portion adjacent to the first display portion in a non-priority manner, the display of the second display portion is always displayed left-justified, or is always displayed leftward from the center. This is a display device in the digital picking system that makes both adjacent displays sharp and easy to see.

  Here, the non-priority use of the display unit of the digit adjacent to the first display unit means that, for example, when a three-digit digital display unit is used and a single-digit display is required, One digit must be opened and displayed in either of the left two digits. If a two digit display is required, the right one digit must be opened and displayed in the left two digits, and the first display unit is always displayed. The digit display part on the side adjacent to is not lit, and the number displayed on the second display part and the first display part are sandwiched by dark parts. If it is necessary to display three digits, As long as it is displayed in all digits, there is no dark part.

  The above three-digit example is generally an example in which the number of objects to be picked is one digit, and the area is small even if it is at most two digits, and there is almost no three-digit display. It is. If three digits can be displayed, the number of display digits is set to four, so that the dark portion can be secured.

  Further, the first display section reduces the brightness located near the second display section of the numerical display and increases the brightness on the opposite side to secure the entire light emission amount and at the same time, to the numerical display side. Since the degree of influence is reduced, the above-described effect can be further enhanced.

  In the digital picking system according to the present invention, by changing the display position of the digital numerical display of the display device installed on the storage shelf, it is possible to avoid the visual influence of other adjacent display units.

It is a structural example of a storage shelf and a worker in a digital picking system. It is a relation figure with a display part which shows a position of a storage box in a storage shelf. FIG. 3 is a diagram illustrating a state where a picking operation is performed in front of a storage shelf and a configuration of a display unit. It is a figure which shows the structure of a display part, and is a figure which shows the 1st display part of a picking instruction | indication display, and the 2nd display part which shows the picking amount of three digits. It is a figure which shows the structure of a display part, Comprising: It is a figure which shows the 1st display part of picking indication display, and the 2nd display part which shows the picking amount of four digits. It is a figure which shows the other structures of a display part, and is a figure which shows the state where the space | interval of the 1st display part of the picking instruction | indication display and the 2nd display part which shows the picking amount is wide. It is a figure which shows the other structures of a display part, and is a figure which shows the state where the space | interval of the 1st display part of the picking instruction | indication indication and the 2nd display part which shows the picking amount is narrow. It is an example of numerical display in the structural example of FIG. 4A in the present invention, and is an example of one-digit display shifted to the right of a three-digit frame. It is an example of numerical display in the structure example of FIG. 4A in the present invention, and is an example of two-digit display shifted to the right of a three-digit frame. It is an example of numerical display in the structural example of FIG. 4A in the present invention, and is an example of three-digit display within a three-digit frame. It is an example of numerical display in the structural example of FIG. 4A according to the present invention, and is an example of one-digit display with the right side of a three-digit frame left. It is an example of numerical display in the structural example of FIG. 4A according to the present invention, and is an example of one-digit display with the right side of a three-digit frame left. It is an example of numerical display in the structural example of FIG. 4A in the present invention, and is an example of two-digit display with the right side of a three-digit frame left. This is an example in which the brightness in the first display section of the picking instruction display is changed. It is an example of the whole structure in a digital picking system.

  Hereinafter, a sorting device according to an embodiment of the present invention will be described with reference to the drawings. In the following, the range necessary for the description for achieving the object of the present invention is schematically shown, and the range necessary for the description of the relevant part of the present invention will be mainly described. It shall be based on a known technique.

  FIG. 1 shows a configuration example of a storage shelf and workers in a digital picking system. A storage box 3 of the same size is stored in a storage rack 1 in a rack 2 in three rows and three rows, and four workers are arranged. Reference numeral 6 denotes an example in which the zone work of one rack 2 is performed, and the row, the number of rows, and the work zone area of the rack 2 are not limited to these values.

  FIG. 2 is a view showing the relationship between the storage unit and the display unit indicating the position of the storage box on the storage shelf. In the four-stage storage shelf 1, three display units 4 in each stage and the storage box 3 corresponding thereto are arranged. In this example, a picking instruction display section arranged on the surface of the display section 4 corresponding to the storage box 3 and a digital numerical display section 43 supporting the number of products to be picked up are appropriately displayed.

  FIG. 3 shows an example of a state in which an operation is being performed in response to a picking instruction on the display unit 41 in the upper central part in front of a storage shelf having the same positional relationship as that of FIG. A first display unit 42 having a switch unit for displaying an instruction and confirming the completion of the operation is installed on the right side, and a second display unit 43 showing a digital quantity indicating the number of products to be picked is installed on the left side. I have.

  4A and 4B are diagrams showing the configuration of the display unit 4. FIG. 4A shows a first display unit 42 in which a switch unit for displaying a picking instruction and confirming the completion of work is integrated, and a product to be picked. And a second display 43 showing a three-digit digital quantity indicating the number of.

  FIG. 4B shows an example in which the second display section 43 of FIG. 4A has a 4-digit display section.

  FIG. 5A shows a state in which the space between the first display section 42 of the picking instruction display and the second display section 43 showing the picking amount is sufficiently large to make it easy to see both of them. For example, when the variety of items to be handled is reduced in number and the number of products is reduced, and the display is installed at a high density, the area other than the first display 42 and the second display 43 in the display is reduced as much as possible. Such an interval is narrow.

  6A to 6F are examples showing the form of numerical display on the first display unit 42 and the second display unit 43 in the configuration of FIG. 4A, and FIGS. 6A, 6B, and 6C show one digit by the conventional method. It shows a method of displaying two- and three-digit numerical values. That is, the arrangement of the digital numerical values is always right-aligned, and is a common sense arrangement for, for example, carry of numerical values. On the other hand, in the display unit 4 of the system, a certain or more sensual stimulus to the eyes of the worker is required in order for the worker to accurately grasp the picking instruction position. In other words, the higher the brightness of the first display unit 42, the more accurate recognition becomes possible. At the same time, when reading the digital numerical value of the adjacent second display unit 43, the digital numerical value display is performed according to the brightness of the surrounding area. Since the contrast of the section is weakened, it becomes difficult to read.

  FIGS. 6D, 6E, and 6F show display examples in the present invention in the case of having a three-digit display unit. In the case of a one-digit and two-digit display, the right display unit is always used without priority. , The state where the non-display portion at the right end is secured. For example, in FIG. 6D of one-digit display, the display part is left-aligned, in FIG. 6E, the display is at the center position of the three-digit display part, and in the two-digit display, as shown in FIG. By displaying at two places on the left side, and furthermore, when displaying three digits, as shown in FIG. 6C, it is possible to solve the difficulty of viewing due to adjacent lighting in a general picking operation where a maximum of two digits is displayed. It becomes possible.

  As described above, in the present invention, the numerical display on the first display unit 42 side in a plurality of digits in the second display unit 43 which is a numerical display unit adjacent to the first display unit 42 having a large luminance or brightness is given priority. By using this, it is possible to secure a gap between the first display 42 and the second display 43 that are densely arranged in the display unit 4.

  FIG. 7 is an example in which the brightness of the picking instruction display in the first display section 42 is changed, and the brightness of the numerical display on the side adjacent to the second display section 43 does not hinder the numerical display confirmation. A structure having an area 422 having a slightly reduced degree of brightness and an area 421 having sufficient brightness for confirming numerical display is shown on the opposite side. Although FIG. 7 shows an example of three stages, the region with a high degree of brightness and the region with a low degree of brightness can be changed in a stepwise manner or in an analog manner.

  FIG. 8 shows an outline of the overall flow in the digital picking system. That is, various target articles are stored in the storage box 3 stored in the storage shelf 2, and the worker 6 moves the storage box 3 at the position where the picking instruction is displayed on the display unit 4 to the quantity indicated on the display unit 4. Is picked, and while moving from the upstream indicated by the arrow on the belt conveyor 9, the target article is put into the collection box 8 at the position indicated by the guide lamp 7 in conjunction with the picking instruction. It is. In addition, various instruction lamps and numerical displays are displayed according to information managed by the control unit so that a specified article is accurately picked and put into a regular collection box. Incidentally, the present invention relates to the display unit 4 in this flow.

  In the digital picking system according to the present invention, by changing the display position of the digital numerical display of the display device installed on the storage shelf, it is possible to avoid the visual influence of the other display unit adjacent to the display unit. Since the display is easy to read without error for the user, the industrial use value such as improvement of reliability and reduction of work load is enhanced.

1 Picking system 2 Storage shelf (rack)
3 Storage Box 4 Display Unit 41 Picking Display Unit Instruction State 42 First Display Unit (Picking Instruction Display and Work Completion Confirmation Button)
421 The side where the degree of brightness is strong 422 The side where the degree of brightness is weak 43 Second display unit (quantity display unit)
44 Right border display part 45 Left border indicator 7 Guide lamp 8 Collection box 9 Belt conveyor A, B, C, D (or A ', B', C ', D') Work zone

Claims (4)

A storage shelf on which a plurality of storage boxes are arranged, a first display unit having a relatively large area and a relatively high luminance or a high brightness serving as input means of a pick instruction and a pick completion, and a left side of the first display unit. In the case where a second display unit having a relatively small area and relatively low luminance having at least two-digit numerical display adjacent thereto is installed, and the display is performed with a smaller number of digits than that of the second display unit, A dark portion is provided between the first display unit and the second display unit by using the display unit of the right digit in the second display unit adjacent to the first display unit in a non-priority manner, so that both adjacent display units are displayed. A display device in a digital picking system characterized by making it easy to see. Before Symbol display device in a digital picking system of claim 1 displaying the second display unit is always and displaying left-justified. Before Symbol display device in a digital picking system of claim 1 displaying the second display unit is always and displaying leftward from the central portion. The first display unit, weak brightness positioned in the second display part side of the numeric display, the display device in the digital picking system according to claim 1, characterized in that to increase the brightness on the opposite side .

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