JP2021015070A - Weighing device - Google Patents

Abstract

To provide a weighing device capable of improving convenience.SOLUTION: A weighing device 1 includes: a main body unit 3; an acquisition section for acquiring weight information related to weight of a commodity; a first display section 7 having a display surface 9a for displaying information on the basis of the weight information acquired by the acquisition section; and a first fixture 11 which is provided on the main body unit 3, connects the first display section 7 and the main body unit 3, and mounts the first display section 7 so that the display surface 7a faces outside with respect to the main body unit 3. The first fixture 11 is independent of movement of the main body unit 3 and moves a mounting position of the first display section 7 to the main body unit 3 when viewed from above the main body unit 3.SELECTED DRAWING: Figure 1

Description

The present invention relates to a weighing device.

As a conventional weighing device, for example, the device described in Patent Document 1 is known. The weighing device described in Patent Document 1 has a weighing unit that measures the weight of a product, a display unit for a clerk that displays the product for a clerk and accepts the operation of the clerk, and a customer that displays the product for a customer. It has a display unit. In Patent Document 1, in the weighing device, a clerk display unit and a customer display unit are arranged at positions facing each other with the measuring unit in between, and the measuring unit, the clerk display unit, and the customer display unit are integrally provided. Has been done.

Japanese Unexamined Patent Publication No. 2018-18421

The weighing device described in Patent Document 1 can be used for face-to-face sales, for example, in a store where products are displayed in a showcase. In face-to-face sales, customers may travel along the showcase to select products within the showcase. In this case, in the conventional weighing device, when the customer moves to the front of the product and selects the product, the customer or the clerk moves to the front of the display unit of the weighing device to see the information displayed on the display unit. become. Therefore, in the conventional weighing device, every time the customer selects a product, it is necessary to move to the front of the display unit in order to confirm the weighing value of the product, which is troublesome.

One side of the present invention is intended to provide a weighing device capable of improving convenience.

The weighing device according to one side of the present invention has a main body unit, an acquisition unit for acquiring weight information related to the weight of a product, and a first display surface for displaying information based on the weight information acquired by the acquisition unit. A display unit, a first fixture provided on the main body unit, connecting the first display unit and the main body unit, and attaching the first display unit so that the display surface faces outward with respect to the main body unit. The first mounting tool moves the mounting position of the first display unit with respect to the main body unit when viewed from above the main body unit, independently of the movement of the main body unit.

In the weighing device according to one side of the present invention, the first mounting tool is independent of the movement of the main body unit, and the mounting position of the first display unit with respect to the main body unit when viewed from above the main body unit (in a plan view). To move. In this way, in the weighing device, since the mounting position of the first display unit with respect to the main body unit can be changed by the first mounting tool, even if the store clerk or the customer moves, the display surface of the first display unit can be changed by the store clerk or. Can be aimed at customers. As a result, the weighing device can see the first display unit at the moving destination. Therefore, in the weighing device, it is not necessary to move the clerk or the customer to see the first display unit. Therefore, the convenience of the weighing device can be improved.

For example, in a configuration in which the display unit is supported by a support unit extending along the vertical direction and the display unit rotates around a rotation axis along the vertical direction, the orientation (angle) of the display surface can be changed. However, in this configuration, the display unit itself does not move, so when the customer moves as in the case of face-to-face sales in a showcase, it is necessary to move the display unit for confirmation. On the other hand, in this weighing device, since the relative position of the first display unit with respect to the main body unit is changed by moving the first fixture, the customer moves as in the case of face-to-face sales in a showcase. Also, the display surface of the first display unit can be directed to a clerk or a customer.

Further, if the first display unit is separated from the main body unit, it is necessary to return the first display unit to the original position after moving the first display unit. In this case, if the worker does not return the first display unit to the original position after moving the first display unit, the next worker may have to search for the first display unit. On the other hand, in this weighing device, since the first display unit is attached to the main body unit by the first attachment and the main body unit and the first display unit are integrally provided, only the first display unit moves. There is no. Therefore, since it is not necessary to search for the first display unit, smooth customer service is possible.

In one embodiment, a measuring unit on which the product is placed and weighing the product is further provided, and the measuring unit may be provided separately from the main body unit. In this configuration, if the customer moves along the showcase to select products in the showcase, the weighing unit can be moved in response to the customer's movement. As a result, the product can be placed on the weighing unit in front of the customer. That is, the weighing work can be performed in the vicinity of the product selected by the customer. Therefore, in the weighing device, it is not necessary for the store clerk to move to the front of the weighing unit and place the product on the weighing unit. Therefore, the weighing device can be sold face-to-face with the customer, and the convenience can be improved. Further, in the weighing device, the position of the first display unit can be changed so that the measured value or the like can be seen when performing the weighing operation. Therefore, in the weighing device, the weighing value and the like can be confirmed while performing the weighing operation at a position away from the main body unit. Therefore, in the weighing device, it is not necessary for the clerk to move to check the measured value and the like, so that the convenience can be improved.

In one embodiment, the weighing unit has a communication unit that transmits weight information by wireless communication, and the acquisition unit may acquire the weight information transmitted from the communication unit. This configuration makes it even easier to move the weighing unit. Therefore, in the weighing device, the convenience can be further improved.

In one embodiment, the first mounting tool is connected to the first mounting portion to be mounted on the main body unit and the first mounting portion, and is located outside the main body unit when viewed from above the main body unit. It has a first support portion that supports the display unit, and the first mounting portion is rotatably provided with respect to the main body unit so that the first support portion rotates around the main body unit. The first support unit may rotate around the main body unit to change the relative position of the first display unit with respect to the main body unit when viewed from above the main body unit. In this configuration, the first display unit can be rotated around the main body unit. Therefore, in the weighing device, the display surface of the first display unit can be turned toward the store clerk or the customer according to the movement of the store clerk or the customer.

In one embodiment, the main body unit has a bottom portion, a main body portion supported by the bottom portion, and a printing portion provided on the main body portion and printing information based on weight information acquired by the acquisition portion on a label. However, the label issuing port in the printing unit is provided on the side portion of the main body portion, and the main body portion is rotatably provided with respect to the bottom portion about a rotation axis along the vertical direction of the main body portion. You may have. In this configuration, since the main body portion provided with the printing portion rotates, the issuing port of the label issued from the printing portion can be changed according to the movement of the clerk. Therefore, the weighing device can minimize the movement of the clerk to obtain the issued label. As a result, the convenience of the weighing device can be improved. Further, in the weighing device, since the main body portion and the printing portion are integrally provided, space saving can be achieved.

In one embodiment, a second display unit having a display surface for displaying information based on the weight information acquired by the acquisition unit is provided on the main body unit, and the second display unit and the main body unit are connected to each other. A second fixture for mounting the second display so that the display surface faces outward with respect to the main unit is provided, and the second fixture is independent of the movement of the main unit and is viewed from above the main unit. , The mounting position of the second display unit with respect to the main body unit may be moved. In this configuration, for example, the first display unit can be used as a display unit for a clerk, and the second display unit can be used as a display unit for a customer. As a result, the weighing device can see the first display unit and the second display unit at the moved destination even when the store clerk and the customer move. Therefore, in the weighing device, it is not necessary to move the clerk and the customer to see the first display unit and the second display unit. Therefore, the convenience of the weighing device can be improved.

In one embodiment, the second attachment is connected to the second attachment portion attached to the main body unit and the second attachment portion, and is located outside the main body unit when viewed from above the main body unit. It has a second support portion that supports the display unit, and the second mounting portion is rotatably provided with respect to the main body unit so that the second support portion rotates around the main body unit. The second support unit may rotate around the main body unit to change the relative position of the second display unit with respect to the main body unit when viewed from above the main body unit. In this configuration, the second display unit can be rotated around the main body unit. Therefore, in the weighing device, the display surface of the second display unit can be turned toward the store clerk or the customer according to the movement of the store clerk or the customer.

In one embodiment, the main body unit has a bottom portion, a main body portion supported by the bottom portion, and a printing portion provided on the main body portion and printing information based on weight information acquired by the acquisition portion on a label. However, the label issuing port in the printing unit is provided on the side portion of the main body portion, and the main body portion is rotatably provided with respect to the bottom portion about a rotation axis along the vertical direction of the main body portion. You may have. In this configuration, since the main body portion provided with the printing portion rotates, the issuing port of the label issued from the printing portion can be changed according to the movement of the clerk. Therefore, the weighing device can minimize the movement of the clerk to obtain the issued label. As a result, the convenience of the weighing device can be improved. Further, in the weighing device, since the main body portion and the printing portion are integrally provided, space saving can be achieved.

In one embodiment, each of the first fitting and the second fitting does not come into contact with the label issuing port of the printing unit on the moving track, and the first display unit and the second display unit are placed in front of the issuing port. It may be configured so that it can be moved through. In this configuration, when moving the first display unit, the second display unit, and the main body unit, it is possible to avoid contact between the first attachment and the second attachment and the issuing port. In this way, in the weighing device, since the first display unit and the second display unit can pass in front of the issuing port, the first display unit, the second display unit, and the main body unit can be freely moved to each other.

In one embodiment, a weighing unit that measures the weight of a product based on the weight information acquired by the acquisition unit, a storage unit that stores the type of the product and the unit price of the product type in association with each other, and the measuring unit. It is provided with a calculation unit for calculating the price of the product based on the weight of the product weighed in and the unit price stored in the storage unit, and one of the first display unit and the second display unit is of the product. The designation of the type may be accepted, and the other of the first display unit and the second display unit may display the type of the product, the weight of the product, and the price of the product calculated by the calculation unit on the display surface. In this configuration, one of the first display unit and the second display unit is used as a display unit for a clerk, and the other is used as a display unit for a customer, so that the display surface of each display unit can be displayed. It is possible to display a screen according to the target person.

In one embodiment, the type of the product is determined based on the weighing unit that weighs the product based on the weight information acquired by the acquiring unit, the imaging unit that images the product, and the image captured by the imaging unit. Based on the estimation unit that estimates, the storage unit that stores the product type and the unit price of the product type in association with each other, the weight of the product weighed by the weighing unit, and the product type estimated by the estimation unit. A calculation unit that calculates the price of the product based on the unit price extracted from the storage unit is provided, and one of the first display unit and the second display unit is one or more products estimated by the estimation unit. In addition to displaying the type on the display surface, an operation screen for accepting the product type correction operation or the product type selection operation is displayed on the display surface, and the other of the first display unit and the second display unit is the product type. The weight of the product and the price of the product calculated by the calculation unit may be displayed on the display surface. In this configuration, one of the first display unit and the second display unit is used as a display unit for a clerk, and the other is used as a display unit for a customer, so that the display surface of each display unit can be displayed. It is possible to display a screen according to the target person. Further, in the above configuration, the product is estimated and the price is calculated without the clerk performing the operation of designating (selecting) the product. Therefore, in the weighing device, the operation for designating the product is not required, and the operability can be improved.

According to one side of the present invention, convenience can be improved.

FIG. 1 is a perspective view showing a weighing device. FIG. 2 is an exploded perspective view of the weighing device. FIG. 3 is a side view of the weighing device. FIG. 4 is a diagram showing a cross-sectional configuration of the main body unit, the first attachment, and the second attachment. FIG. 5 is a diagram showing the movement of the first display unit and the second display unit with respect to the main body unit. FIG. 6 is a diagram showing a configuration of a weighing device according to the first embodiment. FIG. 7A is a diagram showing an example of a screen displayed on the first display unit, and FIG. 7B is a diagram showing an example of a screen displayed on the second display unit. FIG. 8 is a diagram showing a configuration of a weighing device according to a second embodiment. FIG. 9 is a diagram showing a neural network. 10 (a) and 10 (b) are diagrams showing an example of a screen displayed on the first display unit. FIG. 11 is a diagram showing an example of a screen displayed on the first display unit. FIG. 12 is a perspective view showing the configuration of the weighing device according to the third embodiment. FIG. 13 is a cross-sectional view showing a part of the weighing device shown in FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or equivalent elements are designated by the same reference numerals, and duplicate description will be omitted.

[First Embodiment]
As shown in FIG. 1, FIG. 2 or FIG. 3, the weighing device 1 includes a main body unit 3, a measuring unit 5, a first display unit 7, a second display unit 9, and a first fixture 11. A second attachment 13 and the like are provided. The weighing device 1 is an electronic scale. The weighing device 1 has a function of weighing the product S and issuing a label LC to be attached to the weighed product S.

First, the structures of the main body unit 3, the first fixture 11, and the second fixture 13 will be described.

The main body unit 3 has a bottom portion 14 and a main body portion 16. The bottom portion 14 is arranged at the bottom of the main body unit 3. The bottom portion 14 has a bottom member 18, a projecting member 20, and a shaft member 22. The bottom member 18 is placed on a showcase or the like. The bottom member 18 has a disk shape. The projecting member 20 is arranged on the bottom member 18. The projecting member 20 has a disk shape. The projecting member 20 projects from the surface (upper surface) of the bottom member 18. The projecting member 20 is arranged coaxially with the bottom member 18.

The shaft member 22 is erected on the projecting member 20. The shaft member 22 is a columnar member and extends substantially perpendicular to the projecting member 20. The shaft member 22 is arranged coaxially with the bottom member 18 and the projecting member 20. A screw thread to be screwed with the nut N is formed at least at the tip of the shaft member 22.

The main body 16 is supported by the bottom 14. The main body 16 has a cylindrical shape. The main body 16 is rotatably provided with respect to the bottom 14 about a rotation axis along the vertical direction of the main body 16. As shown in FIG. 4, the main body portion 16 includes a housing portion 24 and a lid portion 26 (see FIG. 1). The accommodating portion 24 has a cylindrical side member 24a and a disk-shaped bottom member 24b.

In the accommodating portion 24, a hollow portion H is formed by a side member 24a and a bottom member 24b. A control unit 50 (see FIG. 6), a label issuing unit 51 (see FIG. 6), and the like are housed in the hollow portion H. The lid portion 26 covers the upper opening of the accommodating portion 24. The lid portion 26 is detachably provided on the accommodating portion 24. The bottom member 24b is provided with a recess 24c. A second projecting member 43 (described later) of the second attachment 13 is fitted in the recess 24c. Further, the bottom member 24b is provided with a through hole 24d. The through hole 24d is formed so as to penetrate the bottom member 24b in the thickness direction. The through hole 24d has a circular shape. The through hole 24d inserts the shaft member 22 of the bottom portion 14.

The side member 24a of the accommodating portion 24 is provided with an issuing port 24e of the label issuing portion 51. The issuing port 24e is arranged at a position that does not project outward in the radial direction from the side member 24a of the accommodating portion 24. The issuing port 24e extends along the vertical direction (the height direction of the main body 16). The rolls of the label LC are arranged in the accommodating portion 24 so that the width direction of the rolls is along the vertical direction of the main body portion 16.

As shown in FIG. 3, the first fixture 11 is provided on the main body unit 3. The first fixture 11 connects the first display unit 7 and the main body unit 3. The first fixture 11 attaches the first display unit 7 to the main body unit 3. The first fixture 11 attaches the first display unit 7 to the main body unit 3 so that the display surface 7a of the first display unit 7 faces outward with respect to the main body unit 3. The first fixture 11 moves the mounting position of the first display unit 7 with respect to the main body unit 3 when viewed from above the main body unit 3 (in a plan view) independently of the movement of the main body unit 3. The first fixture 11 is movably provided so that the relative position with respect to the main body unit 3 changes. The first fixture 11 is provided so as to be rotatable, for example, 360 ° with respect to the main body unit 3. As shown in FIG. 5, the first fixture 11 moves the mounting position of the first display unit 7 with respect to the main body unit 3.

As shown in FIGS. 2 and 3, the first attachment 11 has a first attachment portion 30 and a first support portion 31. The first mounting portion 30 and the first supporting portion 31 are integrally formed. The first mounting portion 30 and the first supporting portion 31 are made of, for example, resin.

The first mounting portion 30 is mounted on the main body unit 3. The first mounting portion 30 is rotatably provided with respect to the main body unit 3 so that the first support portion 31 rotates around the main body unit 3. The first mounting portion 30 includes a first mounting member 32 and a first projecting member 33.

The first mounting member 32 has a disk shape. The first mounting member 32 is arranged on the bottom portion 14. The first mounting member 32 is provided with a recess 32a. The recess 32a is formed on a surface facing the bottom 14. The protruding member 20 of the bottom portion 14 is fitted into the recess 32a.

The first projecting member 33 is arranged on the first mounting member 32. The first projecting member 33 has a disk shape. The first projecting member 33 projects from the surface (upper surface) of the first mounting member 32. The first projecting member 33 is arranged coaxially with the first mounting member 32. The first projecting member 33 is provided with a through hole 33a. The through hole 33a is formed so as to penetrate the first projecting member 33 in the thickness direction. The through hole 33a has a circular shape. The through hole 33a is arranged coaxially with the first projecting member 33. The through hole 33a inserts the shaft member 22 of the bottom portion 14.

The first support unit 31 supports the first display unit 7. The first support portion 31 is connected to the first mounting portion 30 and is located outside the main body unit 3 when viewed from above the main body unit 3. The first support unit 31 rotates around the main body unit 3 and changes the relative position of the first display unit 7 with respect to the main body unit 3 when viewed from above the main body unit 3. The first support portion 31 has a first connecting member 34, a first arm member 35, and a first connecting member 36. The first connecting member 34, the first arm member 35, and the first connecting member 36 are integrally formed.

The first connecting member 34 is connected to the first mounting portion 30. The first connecting member 34 is connected to the outer peripheral portion of the first mounting portion 30, and projects from the first mounting portion 30 to the outside of the first mounting portion 30 in the radial direction. The lower end (one end) of the first arm member 35 is connected to the tip of the first connecting member 34 (the end opposite to the base connected to the first mounting 30). The first arm member 35 rises diagonally upward from the tip end portion of the first connecting member 34 and extends. The first arm member 35 is inclined so as to be separated from the main body unit 3 from the lower end portion toward the upper end portion (the other end portion).

The first connecting member 36 connects the first support portion 31 and the first display portion 7. The first connecting member 36 is provided at the upper end of the first arm member 35. The position of the upper end of the first connecting member 36 is lower than the upper surface of the main body 16 of the main body 3. That is, the first attachment 11 is located below the upper surface of the main body 16. The first display unit 7 is detachably provided with respect to the first connecting member 36. The first connecting member 36 connects the first display unit 7 so as to be swingable. The first connecting member 36 swings the first display unit 7 around an axis extending along the horizontal direction.

As shown in FIG. 3, the second fixture 13 is provided on the main body unit 3. The second fixture 13 connects the second display unit 9 and the main body unit 3. The second fixture 13 attaches the second display unit 9 to the main body unit 3. The second fixture 13 attaches the second display unit 9 to the main body unit 3 so that the display surface 9a of the second display unit 9 faces outward with respect to the main body unit 3. The second fixture 13 moves the mounting position of the second display unit 9 with respect to the main body unit 3 when viewed from above the main body unit 3 (in a plan view) independently of the movement of the main body unit 3. The second fixture 13 is movably provided so that the relative position with respect to the main body unit 3 changes. The second fixture 13 is provided so as to be rotatable, for example, 360 ° with respect to the main body unit 3. As shown in FIG. 5, the second fixture 13 moves the mounting position of the second display unit 9 with respect to the main body unit 3.

As shown in FIGS. 2 and 3, the second attachment 13 has a second attachment portion 40 and a second support portion 41. The second mounting portion 40 and the second supporting portion 41 are integrally formed. The second mounting portion 40 and the second supporting portion 41 are made of, for example, resin.

The second mounting portion 40 is mounted on the main body unit 3. The second mounting portion 40 is rotatably provided with respect to the main body unit 3 so that the second support portion 41 rotates around the main body unit 3. The second mounting portion 40 has a second mounting member 42 and a second projecting member 43.

The second mounting member 42 has a disk shape. The second mounting member 42 is arranged on the first mounting tool 11. The second mounting member 42 is provided with a recess 42a. The recess 42a is formed on a surface facing the first attachment 11. The first projecting member 33 of the first fixture 11 is fitted into the recess 42a.

The second projecting member 43 is arranged on the second mounting member 42. The second projecting member 43 has a disk shape. The second projecting member 43 projects from the surface (upper surface) of the second mounting member 42. The second projecting member 43 is arranged coaxially with the second mounting member 42. The second projecting member 43 is provided with a through hole 43a. The through hole 43a is formed so as to penetrate the second projecting member 43 in the thickness direction. The through hole 43a has a circular shape. The through hole 43a is arranged coaxially with the second projecting member 43. The through hole 43a inserts the shaft member 22 of the bottom portion 14.

The second support unit 41 supports the second display unit 9. The second support portion 41 is connected to the second mounting portion 40 and is located outside the main body unit 3 when viewed from above the main body unit 3. The second support portion 41 rotates around the main body unit 3 and changes the relative position of the second display unit 9 with respect to the main body unit 3 when viewed from above the main body unit 3. The second support portion 41 includes a second connecting member 44, a second arm member 45, and a second connecting member 46. The second connecting member 44, the second arm member 45, and the second connecting member 46 are integrally formed.

The second connecting member 44 is connected to the second mounting portion 40. The second connecting member 44 is connected to the outer peripheral portion of the second mounting portion 40, and projects from the second mounting portion 40 to the outside in the radial direction of the second mounting portion 40. The lower end (one end) of the second arm member 45 is connected to the tip of the second connecting member 44 (the end opposite to the base connected to the second mounting 40). The second arm member 45 rises diagonally upward from the tip end portion of the second connecting member 44 and extends. The second arm member 45 is inclined so as to be separated from the main body unit 3 from the lower end portion toward the upper end portion (the other end portion).

The second connecting member 46 connects the second support portion 41 and the second display portion 9. The second connecting member 46 is provided at the upper end of the second arm member 45. The position of the upper end of the second connecting member 46 is lower than the upper surface of the main body 16 of the main body 3. That is, the second attachment 13 is located below the upper surface of the main body 16. The second display unit 9 is detachably provided with respect to the second connecting member 46. The second connecting member 46 connects the second display unit 9 so as to be swingable. The second connecting member 66 swings the second display unit 9 around an axis extending along the horizontal direction.

As shown in FIGS. 2 and 4, in the present embodiment, the bottom portion 14, the second fixture 13, the first fixture 11, and the main body 16 are arranged in this order from the bottom in the vertical direction (stacking). Has been). The shaft member 22 of the bottom portion 14 is inserted through the through hole 43a of the second attachment 13, the through hole 33a of the first attachment 11, and the through hole 24d of the main body 16. A nut N is screwed into the tip of the shaft member 22. As a result, the movement of the bottom portion 14, the first attachment 11, the second attachment 13, and the main body 16 in the vertical direction is restricted. The main body unit 3, the first fixture 11, and the second fixture 13 are integrally held.

The first attachment 11 is arranged so as to face the second attachment 13 and the main body 16. The second attachment 13 is arranged so as to face the bottom portion 14 and the first attachment 11. The projecting member 20 of the bottom portion 14 and the recess 32a of the first attachment 11 are fitted to each other. The fitting referred to here means a state in which the projecting member 20 is slidable with respect to the recess 32a. Therefore, in the state where the projecting member 20 and the recess 32a are fitted, the bottom portion 14 and the first attachment 11 are not fixed and can move (rotate) with each other. The first projecting member 33 of the first attachment 11 and the recess 42a of the second attachment 13 are fitted to each other. The second projecting member 43 of the second fixture 13 and the recess 24c of the main body 16 are fitted together. As a result, the movement of the bottom portion 14, the first attachment 11, the second attachment 13, and the main body 16 in the width direction (left-right direction) is restricted.

Each of the bottom portion 14, the second attachment 13, the first attachment 11, and the main body 16 is rotatably provided with each other. Each of the bottom portion 14, the second attachment 13, the first attachment 11, and the main body 16 can rotate 360 °, for example. Bearings may be provided between the bottom portion 14, the first attachment 11, the second attachment 13, and the main body 16.

Subsequently, the main body unit 3, the measuring unit 5, the first display unit 7, and the second display unit 9 will be described. The main body unit 3, the measuring unit 5, the first display unit 7, and the second display unit 9 are provided so as to be able to wirelessly communicate with each other. The main unit 3, the measuring unit 5, the first display unit 7, and the second display unit 9 are connected by a wireless LAN, Bluetooth (registered trademark), or the like.

As shown in FIG. 6, the main body unit 3 has a control unit 50 and a label issuing unit (printing unit) 51.

The control unit 50 is a part that controls various operations in the weighing device 1, and includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like.

The control unit 50 includes a communication unit (acquisition unit) 52, a storage unit 53, a measurement unit 54, a calculation unit 55, and a control unit 56.

The communication unit 52 wirelessly communicates with the measuring unit 5, the first display unit 7, and the second display unit 9. The communication unit 52 inputs an electric signal (weight information) transmitted from the measuring unit 5. The communication unit 52 outputs the input electric signal to the measuring unit 54. The communication unit 52 inputs the number information output from the first display unit 7. The communication unit 52 outputs the input number information to the calculation unit 55.

The storage unit 53 stores the product master. In the product master, product-related information related to the product S is stored for each product S. The product master is a table in which a product number is associated with a product name, unit price, fixed amount, and the like. The product master can be updated (changed).

The measuring unit 54 weighs the product S. The measuring unit 54 amplifies the electric signal transmitted from the measuring unit 5 and converts it into a digital signal. The measuring unit 54 outputs a measuring value based on the digital signal to the calculating unit 55.

The calculation unit 55 calculates the price of the product S. When the calculation unit 55 receives the number information output from the communication unit 52, the calculation unit 55 refers to the product master based on the product number included in the number information. The calculation unit 55 acquires the unit price of the product S corresponding to the product number from the product master. The calculation unit 55 calculates the price (price) of the product S based on the measurement value output from the measurement unit 54 and the unit price of the product. When the calculation unit 55 receives the confirmation information from the control unit 56, the calculation unit 55 determines the price and outputs the print information to the label issuing unit 51. The printed information includes at least information indicating the product name, weight, and price. Further, the calculation unit 55 outputs display information for displaying the calculated price and the like on the first display unit 7 and the second display unit 9 to the communication unit 52. The communication unit 52 transmits the display information to the first display unit 7 and the second display unit 9.

Further, the calculation unit 55 receives information on the tare before calculating the price (price) of the product S. Specifically, the weight of the tare is obtained by the following method or the like. The tare weight is stored in the product master as a weight associated with the information of the product S or the information of the container, or as a predetermined weight. The calculation unit 55 calls the tare weight stored in the product master to acquire the tare weight. Alternatively, the calculation unit 55 acquires the tare weight from the weight of the empty container placed on the measuring unit 5 by the worker (clerk). Alternatively, the calculation unit 55 acquires the tare weight information based on the weight (for example, “5 g”) directly input by the worker (clerk) by the input operation to the first display unit 7. The calculation unit 55 subtracts the tare weight acquired from the weight weighed by the weighing unit 5, and multiplies the weight after deducting the tare weight by the unit price for each product to calculate the price.

The control unit 56 determines the price calculated by the calculation unit 55 when the product S is removed from the measurement table 60 (see FIG. 1) of the measurement unit 5. The control unit 56 determines whether or not the product S has been removed from the weighing table 60. The control unit 56 determines whether or not the product S has been removed from the measuring table 60 based on the measured value of the product S in the measuring unit 54. Specifically, the control unit 56 sets the measurement value to "0 (zero)" from the stable measurement value (not 0 (zero)) when the measurement is stable after the measurement value output from the measurement unit 54 is stable. When it changes to, it is determined that the product S has been removed from the weighing table 60. The control unit 56 may determine that the product S has been removed from the measuring table 60 when the measuring value becomes "0" even for a moment, or when the measuring value becomes "0" for a predetermined time, the measuring table It may be determined that the product S has been removed from 60. When the control unit 56 determines that the product S has been removed from the measuring table 60, the control unit 56 outputs confirmation information to the calculation unit 55. The confirmation information is information instructing the calculation unit 55 to confirm the price.

The control unit 56 may determine the price calculated by the calculation unit 55 when the "print button" is pressed on the first display unit 7. Specifically, when the tare weight is deducted from the control unit 56 as described above, the product S is weighed after the product S is called from the master, and the "print button" is pressed by the clerk, the calculation unit 55 Determine the price calculated by. When the control unit 56 determines that the "print button" has been pressed, the control unit 56 outputs confirmation information to the communication unit 52.

As shown in FIG. 6, the label issuing unit 51 issues a label LC (see FIG. 1). The label issuing unit 51 prints the product information based on the print information output from the communication unit 52 of the control unit 50, and issues the label LC. In the present embodiment, the label issuing unit 51 issues a so-called mountless label.

As shown in FIG. 1, the weighing unit 5 weighs the product S. The measuring unit 5 is provided separately from the main body unit 3. As shown in FIG. 6, the measuring unit 5 includes a measuring table 60 (see FIG. 1), a load cell 61, and a communication unit 62.

The product S is placed on the measuring table 60. The load cell 61 is provided below the weighing platform 60. The load cell 61 converts the mechanical distortion generated by placing the product S on the measuring table 60 into an electric signal. The load cell 61 outputs an electric signal to the communication unit 62. The measuring unit 5 has a battery (not shown) as a power source.

As shown in FIG. 6, the first display unit 7 displays a measured value or the like. The first display unit 7 is, for example, a tablet terminal. The first display unit 7 displays information related to the product S transmitted from the main body unit 3, basic information necessary for operating the weighing device 1, and the like. The first display unit 7 is detachably provided on the first attachment 11. Specifically, as shown in FIG. 3, the first display unit 7 has a pair of connecting members 7b. The connecting member 7b is arranged on the back surface of the first display unit 7. The connecting member 7b engages with the first connecting member 36 of the first fitting 11.

For example, a recess (not shown) is provided at the center of each of the circular side surfaces of the columnar portion at the tip of the first connecting member 36. Each of the pair of connecting members 7b has a convex portion (not shown) that engages with two concave portions provided in the first connecting member 36 toward the inside. The two convex portions of the first connecting member 36 engage with the two concave portions provided on the first connecting member 36 from both outer sides of the columnar portion at the tip of the first connecting member 36. The connecting member 7b engages with the first connecting member 36 of the first fixture 11. With this configuration, as described above, the first connecting member 36 swings the first display unit 7 about a shaft extending along the horizontal direction (a shaft connecting the two recesses). Is possible.

As shown in FIG. 6, the first display unit 7 includes a touch panel display 70, a communication unit 71, and a display control unit 72.

The touch panel display 70 displays various information and accepts operations by an operator (clerk). The touch panel display 70 has, for example, a rectangular shape. The touch panel display 70 constitutes the display surface 7a of the first display unit 7. The communication unit 71 wirelessly communicates with the main unit 3. The communication unit 71 acquires various information transmitted from the main unit 3 and transmits various information to the main unit 3.

The display control unit 72 controls the operation of the touch panel display 70. The display control unit 72 causes the touch panel display 70 to display various information transmitted from the main unit 3. The display control unit 72 controls the display of the touch panel display 70 based on the input received by the touch panel display 70.

As shown in FIG. 7A, the display control unit 72 causes, for example, the touch panel display 70 to display the screen D1. On the screen D1, for example, a plurality of product images G1 to G4, a product name (BBBB) of the currently selected product S, a weight of the product S (200 g), and a unit price of the product S of "594 yen" are displayed. , The price of the product S is "1,188 yen", and the weight of the tare is "6 g". The display of the plurality of product images G1 to G4 can be changed to other product groups by flicking. The display control unit 72 outputs the number information indicating the product number to the communication unit 71 based on the input received by the touch panel display 70. The communication unit 71 outputs the number information to the main unit 3.

The first display unit 7 may be configured to directly accept input of number information (for example, AAAA is "15" or the like) indicating a product number assigned to each product S. Further, the first display unit 7 may be configured to accept an input for searching each product S (for example, input of a part of a character string included in the product S). Here, the control unit 50 (control unit 56) directly determines the product S to be processed based on the number information indicating the product number received by the first display unit 7 and the input for searching. The product S to be processed may be configured so as to display one or a plurality of product S candidates on the first display unit 7 and accept a further selection operation by the worker (clerk). It may be configured to determine (narrow down).

As shown in FIG. 6, the second display unit 9 displays a measured value or the like. The second display unit 9 is, for example, a tablet terminal. The second display unit 9 displays information and the like related to the product S transmitted from the main unit 3. The second display unit 9 is detachably provided on the second attachment 13. Specifically, as shown in FIG. 3, the second display unit 9 has a pair of connecting members 9b. The connecting member 9b is arranged on the back surface of the second display unit 9. The connecting member 9b engages with the second connecting member 46 of the second fixture 13.

For example, a recess (not shown) is provided at the center of each of the circular side surfaces of the columnar portion at the tip of the second connecting member 46. Each of the pair of connecting members 9b has a convex portion (not shown) that engages with two concave portions provided on the second connecting member 46 toward the inside. The two convex portions of the second connecting member 46 engage with the two concave portions provided on the second connecting member 46 from both outer sides of the columnar portion at the tip of the second connecting member 46. The connecting member 9b engages with the second connecting member 46 of the second fixture 13. According to this configuration, as described above, the second connecting member 46 swings the second display unit 9 around a shaft extending along the horizontal direction (a shaft connecting the two recesses). Is possible.

As shown in FIG. 6, the second display unit 9 includes a touch panel display 75, a communication unit 76, and a display control unit 77.

The touch panel display 75 displays various information and accepts operations by a worker (clerk). The touch panel display 75 has, for example, a rectangular shape. The touch panel display 75 constitutes a display surface 9a of the second display unit 9. The communication unit 76 wirelessly communicates with the main unit 3. The communication unit 76 acquires various information transmitted from the main unit 3 and transmits various information to the main unit 3.

The display control unit 77 controls the operation of the touch panel display 75. The display control unit 77 causes the touch panel display 75 to display various information transmitted from the main unit 3. The display control unit 77 controls the display of the touch panel display 75 based on the input received by the touch panel display 75.

As shown in FIG. 7B, the display control unit 77 causes the touch panel display 70 to display the screen D2, for example. On the screen D2, for example, the product image G5, the product name (BBBB) of the product S of the product image G5, the weight of the product S (200 g), "594 yen" per 100 g of the unit price of the product S, and the product S. The price of "1,188 yen" and the weight of the tare "6g" are displayed.

Subsequently, the operation of the weighing device 1 will be described. The weighing device 1 is arranged, for example, on a showcase. When the customer moves to select the product S in the showcase, the clerk moves the positions of the first display unit 7 and the second display unit 9 according to the customer's destination, as shown in FIG. .. That is, the display surface 7a of the first display unit 7 faces the destination of the clerk, and the display surface 9a of the second display unit 9 faces the destination of the customer. In addition, the clerk moves the weighing unit 5 to a position facing the customer.

Subsequently, the store clerk places the product S selected by the customer on the weighing table 60 of the measuring unit 5, and selects the product S on the screen D1 (see FIG. 7A) of the first display unit 7. When the product S is selected, the main unit 3 causes the second display unit 9 to display the screen D2 (FIG. 7B). As a result, the customer can know the price of the product and the like. When the quantity of the product S or the like is determined, the clerk removes the product S from the measuring table 60 of the measuring unit 5. When it is determined that the product S has been removed from the measuring table 60, the main unit 3 issues a label LC.

As described above, in the weighing device 1 according to the present embodiment, the first fixture 11 is independent of the movement of the main body unit 3, and is viewed from above the main body unit 3 (in a plan view). The mounting position of the first display unit 7 is moved with respect to the above. In this way, in the weighing device 1, since the mounting position of the first display unit 7 with respect to the main body unit 3 can be changed by the first mounting tool 11, the display surface of the first display unit 7 can be changed even when the clerk moves. 7a can be pointed at the clerk. As a result, in the weighing device 1, the first display unit 7 can be seen at the moving destination. Therefore, in the weighing device 1, it is not necessary to move the clerk to see the first display unit 7. Therefore, the weighing device 1 can be improved in convenience.

Further, in the weighing device 1, the first attachment 11 is located below the upper surface of the main body 16. Therefore, in the weighing device 1, the first display unit 7 is located on the side of the main body unit 3. In this configuration, for example, the position of the display unit can be lowered as compared with the configuration in which the first display unit 7 is arranged above (directly above) the main body unit 3. As a result, in the weighing device 1, it is possible to prevent the first display unit 7 from hindering the dialogue between the store clerk and the customer. The same applies to the second display unit 9.

Further, in the weighing device 1, since the first display unit 7 is connected to the main body unit 3 by the first attachment 11 and the second display unit 9 is connected to the main body unit 3 by the second attachment 13, the main body unit The height of the main body unit 3 can be lowered as compared with the configuration in which the first display unit 7 and the second display unit 9 are directly arranged in 3. Therefore, for example, when the weighing device 1 is arranged on the showcase, the weighing device 1 does not block between the store clerk and the customer. Therefore, the weighing device 1 facilitates customer service.

Further, in the weighing device 1, since the main body unit 3 and the first display unit 7 and the second display unit 9 are integrally provided, they can be stably installed. For example, in a configuration in which the display unit is provided separately from the main body unit 3, the display unit may move on the showcase and the display unit may fall and be damaged. Since the weighing device 1 can be stably arranged, it is possible to prevent damage due to dropping or the like.

The weighing device 1 according to the present embodiment includes a weighing unit 5 on which the product S is placed and the weight of the product S is measured. The measuring unit 5 is provided separately from the main body unit 3. In this configuration, when the customer moves along the showcase to select the goods in the showcase, the weighing unit 5 can be moved according to the movement of the customer. As a result, the product S can be placed on the weighing unit 5 in front of the customer. That is, the weighing work can be performed in the vicinity of the product selected by the customer. Therefore, in the weighing device 1, it is not necessary for the store clerk to move to the front of the weighing unit 5 and place the product S on the measuring unit 5. Therefore, the weighing device 1 can be sold face-to-face with a customer and can be improved in convenience. Further, in the weighing device 1, the position of the first display unit 7 can be changed so that the measured value or the like can be seen when performing the weighing operation. Therefore, in the weighing device 1, the weighing value and the like can be confirmed while performing the weighing operation at a position away from the main body unit 3. Therefore, in the measuring device 1, it is not necessary for the store clerk to move to check the measured value and the like, so that the convenience can be improved.

In the weighing device 1 according to the present embodiment, the weighing unit 5 has a communication unit 62 that transmits an electric signal by wireless communication. The communication unit 52 of the main unit 3 acquires an electric signal transmitted from the communication unit 62. With this configuration, the measuring unit 5 can be moved more easily. Therefore, in the weighing device 1, the convenience can be further improved.

In the weighing device 1 according to the present embodiment, the first attachment 11 is connected to the first attachment portion 30 attached to the main body unit 3 and the first attachment portion 30, and is connected to the main body unit 3 when viewed from above. It has a first support portion 31 which is located outside of 3 and supports the first display portion 7. The first mounting portion 30 is rotatably provided with respect to the main body unit 3 so that the first support portion 31 rotates around the main body unit. The first support unit 31 rotates around the main body unit 3 and changes the relative position of the first display unit 7 with respect to the main body unit 3 when viewed from above the main body unit 3. In this configuration, the first display unit 7 can be rotated around the main body unit 3. Therefore, in the weighing device 1, the display surface 7a of the first display unit 7 can be directed toward the store clerk in response to the movement of the store clerk.

In the weighing device 1 according to the present embodiment, the main body unit 3 is provided on the bottom portion 14, the main body portion 16 supported by the bottom portion 14, and the main body portion 16, and information based on the electric signal information acquired by the communication unit 52. It has a label issuing unit 51 for printing on a label. The label issuing port 24e in the label issuing unit 51 is provided on the side member 24a of the accommodating portion 24 of the main body portion 16. The main body 16 is rotatably provided with respect to the bottom 14 about a rotation axis along the vertical direction of the main body 16. In this configuration, since the main body 16 provided with the label issuing unit 51 rotates, the issuing port 24e of the label LC issued from the label issuing unit 51 can be changed according to the movement of the clerk. Therefore, in the weighing device 1, the movement of the clerk to acquire the issued label LC can be minimized. As a result, the weighing device 1 can be improved in convenience. Further, in the weighing device 1, since the main body portion 16 and the label issuing portion 51 are integrally provided, space saving can be achieved.

The weighing device 1 according to the present embodiment is provided on the second display unit 9 having a display surface 9a for displaying information based on the electric signal acquired by the communication unit 52, the main body unit 3, and the second display unit 9. A second attachment 13 for connecting the main unit 3 and the second display unit 9 so that the display surface 9a faces outward with respect to the main body unit 3 is provided. The second fixture 13 is independent of the movement of the main body unit 3 and moves the mounting position of the second display unit 9 with respect to the main body unit 3 when viewed from above the main body unit 3. In this configuration, the first display unit 7 can be used as a display unit for a clerk, and the second display unit 9 can be used as a display unit for customers. As a result, in the weighing device 1, even when the store clerk and the customer move, the first display unit 7 and the second display unit 9 can be seen at the moved destination. Therefore, in the weighing device 1, it is not necessary to move the clerk and the customer to see the first display unit 7 and the second display unit 9. Therefore, the weighing device 1 can be improved in convenience.

In the weighing device 1 according to the present embodiment, the second attachment 13 is connected to the second attachment portion 40 attached to the main body unit 3 and the second attachment portion 40, and is connected to the main body unit 3 when viewed from above. It has a second support portion 41 which is located outside the portion 3 and supports the second display portion 9. The second mounting portion 40 is rotatably provided with respect to the main body unit 3 so that the second support portion 41 rotates around the main body unit 3. The second support portion 41 rotates around the main body unit 3 and changes the relative position of the second display unit 9 with respect to the main body unit 3 when viewed from above the main body unit 3. In this configuration, the second display unit 9 can be rotated around the main body unit 3. Therefore, in the weighing device 1, the display surface 9a of the second display unit 9 can be directed to the customer according to the movement of the customer.

In the weighing device 1 according to the present embodiment, each of the first attachment 11 and the second attachment 13 does not come into contact with the label LC issuing port 24e of the label issuing unit 51 in the moving track, and the first display unit 7 The second display unit 9 and the second display unit 9 can be moved by passing in front of the issuing port 24e. In this configuration, when the first display unit 7, the second display unit 9, and the main body 16 are moved, contact between the first attachment 11 and the second attachment 13 and the issuing port 24e can be avoided. In this way, in the weighing device 1, since the first display unit 7 and the second display unit 9 can pass in front of the issuing port 24e, the first display unit 7, the second display unit 9, and the main body 16 can be freely moved to each other. Can be moved.

In the measuring device 1 according to the present embodiment, the issuing port 24e of the label issuing unit 51 extends in the main body 16 along the vertical direction (height direction of the main body 16). The rolls of the label LC are arranged in the accommodating portion 24 so that the width direction of the rolls is along the vertical direction of the main body portion 16. In this configuration, the main body 16 may have a height equal to or greater than the width of the roll. Therefore, even if the roll becomes large, it can be dealt with without changing the height of the main body portion 16.

In the weighing device 1 according to the present embodiment, the main body unit 3 has a weighing unit 54 that measures the weight of the product S based on an electric signal acquired by the communication unit 52, a type of the product S, and a type of the product S. A calculation unit 55 that calculates the price of the product S based on the storage unit 53 that stores the unit price in association with each other, the weight of the product S measured by the measurement unit 54, and the unit price stored in the storage unit 53. And. The first display unit 7 accepts the designation of the type of the product S. The second display unit 9 displays the type of the product S, the weight of the product S, and the price of the product S calculated by the calculation unit 55 on the display surface 9a. In this configuration, the first display unit 7 is used as a display unit for a clerk, and the second display unit 9 is used as a display unit for customers, so that the display surface of each display unit can be displayed on the target person. The corresponding screen can be displayed.

[Second Embodiment]
Subsequently, the second embodiment will be described. As shown in FIG. 8, the measuring device 1A according to the second embodiment includes a main body unit 3A, a measuring unit 5, a first display unit 7, a second display unit 9, and a first fixture 11 (FIG. 8). 2), a second attachment 13 (see FIG. 2), and a camera (imaging unit) 80. The main unit 3A and the camera 80 are connected so as to be able to communicate with each other.

The camera 80 is arranged above the measuring table 60 of the measuring unit 5 at a position facing the measuring table 60. The camera 80 outputs the captured image data to the control unit 50A of the main unit 3. The camera 80 may be installed as a single unit, or may be attached to the main body unit 3A by an attachment.

The main body unit 3A includes a control unit 50A. The control unit 50A includes a communication unit 81, a measurement unit 82, an estimation unit 83, a storage unit 84, a calculation unit 85, and a control unit 86.

The communication unit 81 wirelessly communicates with the measuring unit 5, the first display unit 7, and the second display unit 9. The communication unit 81 inputs an electric signal (weight information) transmitted from the measuring unit 5. The communication unit 81 outputs the input electric signal to the measuring unit 82. The communication unit 81 inputs the number information output from the first display unit 7. The communication unit 52 outputs the input number information to the calculation unit 55.

The communication unit 81 inputs the image data output from the camera 80. The communication unit 81 outputs the input image data to the estimation unit 83. At this time, the data output to the estimation unit 83 is the image data output from the camera 80, in which only the area corresponding to the product S (the product S or the product S and its surroundings) is cut out. There may be. Further, the communication unit 81 inputs a learned model transmitted from a server device (not shown) and stores it in the storage unit 84. The trained model is a model generated by machine learning.

The measuring unit 82 weighs the product S. The measuring unit 82 amplifies the electric signal transmitted from the measuring unit 5 and converts it into a digital signal. The measuring unit 82 outputs a measuring value based on the digital signal to the calculating unit 85.

The estimation unit 83 estimates the type of the product S mounted on the weighing unit 5 based on the image data captured by the camera 80. The estimation unit 83 detects that the product S is placed on the measuring table 60 of the measuring unit 5 based on the image data output from the communication unit 81. Specifically, the estimation unit 83 places the product S on the basis of the difference (background difference) between the image data output from the communication unit 81 and the base image (background image) stored in advance. Detect that. Specifically, the estimation unit 83 determines that the product S has been placed when the degree of change from the base image is equal to or greater than the threshold value in the image data.

When it is determined that the product S has been placed, the estimation unit 83 determines whether or not the placement of the product S is stable. That is, the estimation unit 83 determines whether or not the position of the product S has been determined. The estimation unit 83 determines whether or not the placement of the product S is stable, for example, by the inter-frame difference method of continuous image data. Specifically, when the difference between frames (for example, the number of pixels in which the pixel value changes by a certain amount or more) becomes equal to or less than the threshold value in the continuous image data, the estimation unit 83 of the product S. Judge that the placement is stable. When the estimation unit 83 determines that the placement of the product S is stable, the estimation unit 83 estimates the product S based on the image (one image) in the image data determined to be stable.

In the present embodiment, the estimation unit 83 estimates the product S by the trained model. The trained model predicts and outputs the product indicated by the image based on the image data by clustering. The trained model includes a neural network NW used for clustering. The trained model may include a convolutional neural network. Further, the trained model may include a neural network having a plurality of layers (for example, 8 layers or more). That is, a trained model may be generated by deep learning.

As shown in FIG. 9, the neural network NW is, for example, a first layer which is an input layer, a second layer, a third layer, and a fourth layer which are intermediate layers (hidden layers), and an output layer. It is composed of a fifth layer. The first layer outputs the input value x = (x0, x1, x2, ... Xp) having p parameters as elements to the second layer as it is. Each of the second layer, the third layer, and the fourth layer converts the total input into an output by the activation function and passes the output to the next layer. The fifth layer also converts the total input into an output by the activation function, and this output is the output vector y = (y ₀ , y ₁ , ..., Y _q ) of the neural network having q parameters as elements.

In the present embodiment, the neural network NW inputs the pixel value of each pixel of the image and outputs the information indicating the estimation result of the product S. The input layer of the neural network NW is provided with neurons for the number of pixels of the image. The output layer of the neural network NW is provided with neurons for outputting information related to the estimation result of the product S. The product S can be estimated based on the output value of the neurons in the output layer. The output value of the neuron is, for example, a value of 0 to 1. In this case, the larger the neuron value (the closer the value is to 1), the more likely it is to be an image product, and the smaller the neuron value (the closer the value is to 0), the more likely it is to be an image product. Indicates that is low. That is, when the neuron value is large, the probability of being the product S is high, and when the neuron value is low, the probability of being the product S is low.

The estimation unit 83 inputs an image based on the image data into the trained model. The estimation unit 83 may normalize the image to be input. Image normalization is performed, for example, by reducing, enlarging, trimming, or the like. In addition, the estimation unit 83 may perform various processes such as adjusting the contrast, changing the color, and changing the format of the image to be input. The estimation unit 83 acquires an estimation result including an output value output from the neural network NW in response to inputting an image into the neural network NW of the trained model. The estimation result includes all kinds of products registered in the product master.

The estimation unit 83 ranks candidate products based on the estimation result. Specifically, the estimation unit 83 ranks the products having the largest neuron values in order. The estimation unit 83 generates estimation information in which product numbers and ranks are associated with each other for all types of products. The estimation unit 83 outputs the image information and the estimation information of the image used in the estimation process to the communication unit 81. The communication unit 81 transmits the image information and the estimation information to the first display unit 7.

The storage unit 84 stores the product master. In addition, the storage unit 84 stores the trained model. The storage unit 84 stores the learned model acquired via a storage medium, a network, or the like.

The calculation unit 85 calculates the price of the product S. When the calculation unit 85 receives the number information output from the communication unit 81, the calculation unit 85 refers to the product master based on the product number included in the number information. The calculation unit 85 acquires the unit price of the product S corresponding to the product number from the product master. The calculation unit 85 calculates the price (price) of the product S based on the measurement value output from the measurement unit 82 and the unit price of the product. When the calculation unit 85 receives the confirmation information from the control unit 86, the calculation unit 85 determines the price and outputs the print information to the label issuing unit 51. Further, the calculation unit 85 outputs display information for displaying the calculated price and the like on the first display unit 7 and the second display unit 9 to the communication unit 81. The communication unit 81 transmits the display information to the first display unit 7 and the second display unit 9.

When the product S is removed from the measuring table 60 (see FIG. 1) of the measuring unit 5, the control unit 86 determines the price calculated by the calculating unit 85. When the control unit 86 determines that the product S has been removed from the measuring table 60, the control unit 86 outputs confirmation information to the calculation unit 85.

Subsequently, the operation of the weighing device 1A will be described. As shown in FIG. 10A, when the product S is not mounted on the measuring unit 5, the main body unit 3 displays a screen D3 prompting the mounting of the product S on the first display unit 7. Let me. At this time, on the touch panel display 70 of the first display unit 7, for example, a text such as "Please place a product" is displayed. When the product S is placed on the weighing table 60 of the measuring unit by the operator, the main unit 3 performs the estimation process of the product S.

When the product S is estimated, the main unit 3 causes the first display unit 7 to display the screen D4 as shown in FIG. 10B. Based on the estimation information, the main unit 3 displays the product image G6 of the product S and a plurality of (three in the present embodiment) selection buttons B1 on the screen D4. The product name of the candidate product S is displayed on the selection button B1. The product name of the selection button B1 is displayed based on the order of the estimation result. Specifically, the product names are displayed on the selection button B1 in descending order from the top. In the example shown in FIG. 10B, the product name “AAAA” has the highest ranking, and the product name “CCCC” has the lowest ranking. That is, the product S that is presumed to be the most probable product S mounted on the measuring unit 5 is "AAAA", and the product S that is presumed to be the third most probable product is "CCCC". Shown. In the initial setting (the state in which the screen D4 is first displayed), the main unit 3 selects the product selection button B1 having the highest rank. When the selection button B1 is selected, the selection button B1 is displayed so as to be distinguishable from the other selection buttons B1. For example, when the selection button B1 is selected, it is displayed in a different color from the other selection buttons B1. FIG. 10B shows a state in which the selection button B1 of "BBBB" is selected. The first display unit 7 outputs the number information based on the selected button B3 to the main unit 3.

When the selection button B1 is selected on the screen D4, the main body unit 3 causes the touch panel display 70 of the second display unit 9 to display the screen D2 as shown in FIG. 7B.

The main unit 3 displays the button B2 and the button B3 on the screen D4. "Back" is displayed on the button B2. A "list" is displayed on the button B3.

When the product S displayed on the product image G6 and the product name of the selected selection button B1 (for example, "BBBB") match on the screen D4, the clerk of the weighing unit 5 Remove the product S from the weighing platform 60. If the product S displayed on the product image G6 and the product name of the selected selection button B1 do not match, the clerk presses another selection button B1 to specify the product, and then the clerk specifies the product. The product S is removed from the measuring table 60 of the measuring unit 5. When it is determined that the product S has been removed from the measuring table 60, the main unit 3 issues a label LC. The clerk attaches the issued label LC to the product S.

The clerk presses the button B2 on the screen D4 when there is a problem with the product S displayed on the product image G6. When the button B2 is pressed, the main unit 3 acquires new image data captured by the camera 80. The main unit 3 performs the process of estimating the product S again based on the acquired image data, and displays the process result on the screen D4.

When the product name corresponding to the product S is not displayed on the selection button B1 on the screen D4, the clerk presses the button B3. When the button B3 is pressed, the main unit 3 displays the screen D5 as shown in FIG. A plurality of (12 in this embodiment) selection buttons B4 are displayed on the screen D5. The product name is displayed on the selection button B4. The product name of the selection button B4 is displayed based on the product number. On the list screen D5, a number of selection buttons B4 corresponding to the number of products registered in the product master is displayed. The list screen D5 may be displayed over a plurality of screens. When the selection button B4 is selected, it is displayed so as to be distinguishable from the other selection buttons B4. The list screen D5 may not display products with a low probability. That is, the product whose neuron value is below the threshold value may not be displayed.

After selecting the selection button B4 on the screen D5, the operator removes the product S from the weighing table 60 of the weighing unit 5. When it is determined that the product S has been removed from the measuring table 60, the main unit 3 issues a label LC.

As described above, in the weighing device 1A according to the present embodiment, the main body unit 3A includes the weighing unit 82 that measures the weight of the product S based on the electric signal acquired by the communication unit 81 acquisition unit, and the product S. An image pickup camera 80, an estimation unit 83 that estimates the type of the product S based on the image captured by the 80, a storage unit 84 that stores the product type and the unit price of the product type in association with each other. Calculation unit 85 that calculates the price of the product S based on the weight of the product S weighed by the measuring unit 82 and the unit price extracted from the storage unit 84 based on the type of the product S estimated by the estimation unit 83. And. The first display unit 7 displays one or a plurality of product S types estimated by the estimation unit 83 on the display surface, and displays an operation screen for accepting a product S type correction operation or a product S type selection operation. It is displayed on the display surface 7a. The second display unit 9 may display the type of the product S, the weight of the product S, and the price of the product S calculated by the calculation unit 85 on the display surface 9a. In this configuration, the first display unit 7 is used as a display unit for a clerk, and the second display unit 9 is used as a display unit for customers, so that the display surface of each display unit can be displayed on the target person. The corresponding screen can be displayed. Further, in the above configuration, the product S is estimated and the price is calculated without the clerk performing the operation of designating (selecting) the product S. Therefore, in the weighing device 1A, the operation for designating the product S becomes unnecessary, and the operability can be improved.

[Third Embodiment]
Subsequently, the third embodiment will be described. FIG. 12 is an overall perspective view of the weighing device 1B according to the third embodiment. Further, FIG. 13 is a side view for showing a state in which the first display unit 701 is attached, from a direction perpendicular to the side surface of the showcase 900 (the left side surface of FIG. 12), which will be described later. It is a side view (cross-sectional view) which looked at the member located above the plate 301a.

The weighing device 1B according to the third embodiment includes a main body unit 301, a weighing unit 5 that acquires weight information related to the weight of a product, and a display surface 701a that displays information based on the weight information acquired by the weighing unit 5. The first display unit 701 and the main body unit 301 are provided, and the first display unit 701 and the main body unit 301 are connected so that the display surface 701a faces outward with respect to the main body unit 301. The first fixture 111 for mounting the 701 is provided, and the first fixture 111 is independent of the movement of the main body unit 301, and the first display unit 701 is mounted on the main body unit 301 when viewed from above the main body unit 301. Move the position. Hereinafter, the configuration of the weighing device 1B will be described in detail.

As shown in FIG. 12, the measuring device 1B according to the third embodiment includes at least the main body unit 301, the measuring unit 5, the first display unit 701, and the first fixture 111 (see FIG. 13). It includes a control unit 50. The control unit 50 is configured to be communicable with the first display unit 701 and the measuring unit 5. The control unit 50 is housed in the lower part of the showcase 900, which will be described later, for example.

The main body unit 301 is provided on the upper surface of the showcase 900. Further, the main body unit 301 includes a top plate 301a and a rail 301b. The top plate 301a is a member on the plate placed on the upper surface of the showcase 900, and the rail 301b is provided on the side portion on the right side (front side of the paper surface) of FIG. 12 on the clerk side. The measuring unit 5 can be placed on the top plate 301a.

Inside the showcase 900, shelves (not shown) are arranged in the vertical direction, and the product S is placed on each shelf. The shaded area of the showcase 900 is a glass window so that the inside can be visually recognized. Although not shown, a window made of glass is also provided on the left side (back side of the paper) of FIG. 12 of the showcase 900 so that the customer can visually recognize the product S in the showcase 900. .. In addition, the glass window on the clerk side of the showcase 900 is a sliding door, and by opening the sliding door, the product S inside can be taken out. The glass window portion including the glass window portion (sliding door) on the worker (clerk) side may be omitted.

The first display unit 701 has a display surface 701a. The first display unit 701 is attached so that the display surface 701a faces outward with respect to the main body unit 301. The first display unit 701 is movably provided along the rail 301b.

As shown in FIG. 13, the first fixture 111 connects the first display unit 701 and the main body unit 301. The first fixture 111 moves the mounting position of the first display unit 701 with respect to the main body unit 301 when viewed from above the main body unit 301, independently of the movement of the main body unit 301. The first fixture 111 engages with the rail 301b and can move in the direction perpendicular to the paper surface of FIG. 13 (the front direction of the paper surface and the back direction of the paper surface). As a result, the first display unit 701 is configured so that the mounting position can be moved with respect to the main body unit 301. The first fixture 111 has a first arm member 351 and a first connecting member 361. The first arm member 351 and the first connecting member 361 form a first support portion.

The first display unit 701 has a connecting unit 701b. The connecting portion 701b engages with the first connecting member 361 of the first fitting 111. The first display unit 701 is configured to be swingable in the vertical direction with the first connecting member 361 as an axis.

The position of the rail 301b is not limited to the above-mentioned form, and may be provided on the upper surface of the top plate 301a.

The weighing device 1B may further include a second display unit and a label issuing unit (not shown). In this case, for example, the second attachment may be attached to a rail different from the rail 301b (neither shown), and the second display unit may be attached to the second attachment. Further, even if the first display unit 701 and the second display unit are integrally provided so that the mounting position of the second display unit moves with the movement of the first display unit 701 with respect to the rail 301b. Good. Further, the label issuing unit may be provided on the top plate 301a, may be provided integrally with the measuring unit 5 on the side of the measuring unit 5, or may be provided on the side of the first display unit 701. It may be provided integrally.

Although the embodiments of the present invention have been described above, the present invention is not necessarily limited to the above-described embodiments, and various modifications can be made without departing from the gist thereof.

In the above embodiment, a mode in which the main body unit 3 and the measuring unit 5 are separately provided will be described as an example. However, the main body unit 3 and the measuring unit 5 may be provided integrally. The measuring unit 5 may be arranged on the upper part of the main body unit 3, for example.

In the above embodiment, a mode in which the main body unit 3 and the measuring unit 5 are connected by wireless communication will be described as an example. However, the main body unit 3 and the measuring unit 5 may be connected by wire. In this case, since the measuring unit 5 can receive power from the main body unit 3, the battery is not required.

In the above embodiment, the embodiment in which the printing unit is the label issuing unit 51 that issues the label LC has been described as an example. However, the printing unit may be a receipt issuing unit that issues a receipt.

In the above embodiment, a mode in which the measuring devices 1 and 1A include one measuring unit 5 has been described as an example. However, a plurality of measuring units 5 may be provided. When a plurality of measuring units 5 are provided, for example, the measuring unit 5 can be arranged at a position sandwiching the main body unit 3. In this configuration, for example, in a state where the product is placed on the measuring table 60 of both the measuring unit 5 and the other measuring unit 5, the product S is first placed on the measuring table 60. Calculate the measured value etc. based on the signal. Further, for example, the plurality of measuring units 5 may be configured to be distinguishable by changing the colors of each other or by visually assigning different symbols (alphabets, numbers, etc.) to each other. In this case, the first display unit 7 (display unit that accepts the operation of the clerk) accepts the operation (input of the corresponding color or symbol) of which weighing unit 5 to use before starting the weighing, and by the operation. The weight value of the identified weighing unit 5 may be configured to be used in the price calculation.

In the case of a configuration including a plurality of measuring units 5, each of the plurality of measuring units 5 may be connected to the main body unit 3 by wireless communication or may be connected to the main body unit 3 by wire. In the configuration including a plurality of measuring units 5, it is preferable that the main body unit 3 and each of the plurality of measuring units 5 are connected by wireless communication from the viewpoint of mobility.

In the above embodiment, a mode in which the first display unit 7 is provided in the first support portion 31 of the first fixture 11 so as to be swingable about an axis along the horizontal direction has been described as an example. However, the first display unit 7 may be provided so as to be swingable around an axis along the vertical direction, or centered on both the axis along the horizontal direction and the axis along the vertical direction. It may be provided so as to be swingable. In this configuration, the degree of freedom in the orientation of the first display unit 7 is increased, so that the orientation of the display surface 7a can be more easily aligned with the position of the clerk. The same applies to the second display unit 9.

In the above embodiment, the embodiment in which the length of the first support portion 31 of the first attachment 11 and the length of the second support portion 41 of the second attachment are substantially the same has been described as an example. However, the length of the first support portion 31 of the first fixture 11 and the length of the second support portion 41 of the second fixture may be different. In this case, the first fixture 11 and the second fixture 13 can freely rotate around the main body unit 3 without contacting each other.

Further, in a form in which other attachments (for example, a third attachment described later) are provided in addition to the first attachment 11 and the second attachment 13, if all the attachments have the same configuration, they move. Since they come into contact with each other on the track, the positional relationship of the fixtures is fixed. Therefore, the positional relationship between the first display unit 7 and the second display unit 9 is fixed with respect to other fixtures. Therefore, the following configuration can be adopted. The first display unit 7 (second display unit 9) displayed toward the clerk may be capable of being operated by the administrator. In the operation for the administrator, it is possible to exchange the display content (and operation content) of the first display unit 7 with the display content (and operation content) of the second display unit 9. Therefore, the display content and the operation content of each display unit may be configured to be interchanged. As a result, by changing the display contents of the first display unit 7 and the second display unit 9, the function can be changed while maintaining the positional relationship of the fixtures.

Further, the first display unit 7 may be provided so as to be rotatable with respect to the first fixture 11. In this case, the first display unit 7 detects the rotation angle (screen orientation) of the first display unit 7 for the sensor (not shown) and switches the display of the first display unit 7. The same applies to the second display unit 9.

In the above embodiment, a mode in which the main unit 3 and each of the first display unit 7 and the second display unit 9 are connected to each other by wireless communication will be described as an example. However, the main body unit 3 and each of the first display unit 7 and the second display unit 9 may be connected by wire.

In the above embodiment, an embodiment in which the sizes of the first display unit 7 and the second display unit 9 are the same has been described as an example. However, the sizes of the first display unit 7 and the second display unit 11 may be different.

In the above embodiment, a mode in which the first display unit 7 is used as a display for a clerk and the second display unit 9 is used as a display unit for a customer has been described as an example. However, the second display unit 9 may be used as a display for a clerk, and the first display unit 7 may be used as a display unit for a customer. That is, one of the first display unit 7 and the second display unit 9 may be for a clerk and the other may be for a customer.

In the above embodiment, the embodiment in which the first display unit 7 is attached to the main body unit 3 by the first attachment 11 and the second display unit 9 is attached to the main body unit 3 by the second attachment 13 has been described as an example. .. However, the second display unit 9 may be fixed to the main body unit 3. That is, only the first display unit 7 may be in a form in which the relative position with respect to the main body unit 3 is changed.

In the above embodiment, a mode in which the main body 16 of the main body 3 has a cylindrical shape has been described as an example. However, the main body 16 may have a polygonal columnar shape.

In the above embodiment, the embodiment in which the issuing port 24e of the label issuing unit 51 extends along the vertical direction of the main body portion 16 will be described as an example. However, the issuing port 24e may extend along the width direction of the main body portion 16.

In the above embodiment, a mode in which the first fixture 11 rotates so that the first display unit 7 rotates around the main body unit 3 will be described as an example. However, the first display unit 7 may be in a form of linearly moving. The same applies to the second display unit 9.

In the above embodiment, the embodiment in which the first mounting portion 30 of the first mounting tool 11 is composed of the first mounting member 32 and the first projecting member 33 having a disk shape will be described as an example. However, the first mounting portion 30 may be annular. The first mounting portion may be configured to rotate with respect to the main body unit 3.

In the above embodiment, the mode in which the first support portion 31 of the first fixture 11 rises from the lower side to the upper side has been described as an example. However, the extending direction of the first support portion 31 is not limited to this. For example, the first support portion may extend downward.

In the above embodiment, the first attachment 11 (111) and the second attachment 13 are manually moved (angle or position can be changed) by a clerk or the like, and the first display unit 7 (701) and the second are the second, respectively. A mode in which the mounting position of the display unit 9 is moved has been described as an example. However, the first fixture 11 (111) and the second fixture 13 may be configured to be driven by a drive unit (not shown) such as a motor or an actuator. In this case, the first fixture 11 (111) and the second fixture 13 may have a person detection unit (sensor) (not shown) for grasping the position of the worker (clerk). In this case, the control unit 50 grasps the position of the worker (clerk) based on the detection information of the person detection unit and drives the drive unit to drive the first attachment 11 (111) and the second attachment 13. Follow the position of the clerk, etc.

In addition to the above embodiment, the weighing device may include a reader such as a point card, a credit card, or electronic money (a card on which information is recorded, or a reader for a terminal such as a smartphone). In this case, the reader can be attached to the main body unit 3 by the attachment.

Specifically, a third attachment (not shown) may be further provided. The third fixture is configured in the same manner as the first fixture 11 and the second fixture 13. In this case, the shaft member 22 is formed to be long, and the distance between the accommodating portion 24 and the bottom portion 14 can be freely changed by rotating (tightening or loosening) the shaft member 22 with respect to the nut N. Therefore, for example, a third attachment can be newly arranged between the second attachment 13 and the bottom portion 14. The tip of the third fixture is provided with the above reader instead of the display unit. When the customer causes the reader to read his / her own card, the control unit 50 can read the information of the customer's various cards and use it for the settlement and price calculation processing. In this case, the vertical relationship between the first attachment 11, the second attachment 13, and the third attachment can be freely exchanged. Since the other configurations of the third fixture 15 are the same as those of the first fixture 11 and the second fixture 13, the description thereof will be omitted.

The reader may be provided integrally with the second display unit 9. In this case, the customer can have the reader read the necessary card as appropriate while looking at the display content (instruction) of the second display unit 9.

1,1A, 1B ... Weighing device, 3,3A, 301 ... Main unit, 5 ... Weighing unit, 7,701 ... First display unit, 7a, 701a ... Display surface, 9 ... Second display unit, 9a ... Display surface , 11,111 ... 1st mounting tool, 13 ... 2nd mounting tool, 14 ... bottom, 16 ... main body, 24e ... issuing port, 30 ... 1st mounting, 31 ... 1st support, 40 ... 2nd mounting Unit, 41 ... 2nd support unit, 51 ... Label issuing unit (printing unit), 52 ... Communication unit (acquiring unit), 53, 84 ... Storage unit, 54, 82 ... Measuring unit, 55, 85 ... Calculation unit, 62 ... communication unit, 80 ... camera (imaging unit), 83 ... estimation unit, LC ... label (see FIG. 1), S ... product.

Claims (11)

Main unit and
The acquisition department that acquires weight information related to the weight of the product,
A first display unit having a display surface for displaying information based on the weight information acquired by the acquisition unit, and
A first mounting tool provided on the main body unit, which connects the first display unit and the main body unit, and attaches the first display unit so that the display surface faces outward with respect to the main body unit. , Equipped with
The first mounting tool is a weighing device that is independent of the movement of the main body unit and moves the mounting position of the first display unit with respect to the main body unit when viewed from above the main body unit. A weighing unit on which the product is placed and the weight of the product is further provided.
The weighing device according to claim 1, wherein the measuring unit is provided separately from the main body unit. The weighing unit has a communication unit that transmits the weight information by wireless communication.
The weighing device according to claim 2, wherein the acquisition unit acquires the weight information transmitted from the communication unit. The first fixture is
The first mounting part to be mounted on the main body unit and
It has a first support portion that is connected to the first mounting portion and is located outside the main body unit when viewed from above the main body unit and supports the first display portion.
The first mounting portion is rotatably provided with respect to the main body unit so that the first support portion rotates around the main body unit.
Any one of claims 1 to 3, wherein the first support portion rotates around the main body unit and changes the relative position of the first display unit with respect to the main body unit when viewed from above the main body unit. The weighing device according to paragraph 1. The main body unit
At the bottom
The main body supported by the bottom and
It has a printing unit provided on the main body unit and printing information based on the weight information acquired by the acquisition unit on a label.
The label issuing port in the printing portion is provided on the side portion of the main body portion.
The measuring device according to any one of claims 1 to 4, wherein the main body portion is rotatably provided with respect to the bottom portion about a rotation axis along a vertical direction of the main body portion. A second display unit having a display surface for displaying information based on the weight information acquired by the acquisition unit, and
A second attachment that is provided on the main body unit and that connects the second display unit and the main body unit and attaches the second display unit so that the display surface faces outward with respect to the main body unit. , Equipped with
Any one of claims 1 to 5, wherein the second attachment is independent of the movement of the main body unit and moves the attachment position of the second display unit with respect to the main body unit when viewed from above the main body unit. The weighing device according to paragraph 1. The second fixture is
A second mounting part to be mounted on the main body unit
It has a second support portion that is connected to the second mounting portion and is located outside the main body unit when viewed from above the main body unit and supports the second display portion.
The second mounting portion is rotatably provided with respect to the main body unit so that the second support portion rotates around the main body unit.
The weighing device according to claim 6, wherein the second support portion rotates around the main body unit to change the relative position of the second display unit with respect to the main body unit when viewed from above the main body unit. .. The main body unit
At the bottom
The main body supported by the bottom and
It has a printing unit provided on the main body unit and printing information based on the weight information acquired by the acquisition unit on a label.
The label issuing port in the printing portion is provided on the side portion of the main body portion.
The measuring device according to claim 7, wherein the main body portion is rotatably provided with respect to the bottom portion about a rotation axis along a vertical direction of the main body portion. Each of the first attachment and the second attachment does not come into contact with the issuing port of the label of the printing unit in the moving track, and the first display unit and the second display unit are connected to the issuing port. The weighing device according to claim 8, which is configured to be able to move past the front of the. A measuring unit that weighs the product based on the weight information acquired by the acquiring unit,
A storage unit that stores the type of the product and the unit price of the type of the product in association with each other.
A calculation unit for calculating the price of the product based on the weight of the product measured by the measurement unit and the unit price stored in the storage unit is provided.
One of the first display unit and the second display unit accepts the designation of the type of the product.
The first display unit and the other of the second display unit display the type of the product, the weight of the product, and the price of the product calculated by the calculation unit on the display surface, claim 6 to 9. The weighing device according to any one item. A measuring unit that weighs the product based on the weight information acquired by the acquiring unit,
An imaging unit that images the product and
An estimation unit that estimates the type of the product based on the image captured by the imaging unit, and an estimation unit.
A storage unit that stores the type of the product and the unit price of the type of the product in association with each other.
A calculation unit that calculates the price of the product based on the weight of the product measured by the measurement unit and the unit price extracted from the storage unit based on the type of the product estimated by the estimation unit. And with
One of the first display unit and the second display unit displays one or more types of the product estimated by the estimation unit on the display surface, and corrects the type of the product or the product. An operation screen that accepts the type selection operation is displayed on the display surface.
The first display unit and the other of the second display unit display the type of the product, the weight of the product, and the price of the product calculated by the calculation unit on the display surface, claim 6 to 9. The weighing device according to any one item.