KR102002869B1 - Modular goods weighing device - Google Patents

Abstract

The present invention relates to a modular goods weight measuring device implemented so as to measure a weight without regard to a storage position of stored goods, wherein the modular product weight measuring device is attached to and detached from an unmanned goods sales system which charges according to the weight of the goods to be sold and measures the weight according to the amount of goods sold when the goods stored are sold by a buyer. The modular product weight measuring device comprises: a goods storage part formed in a form of a box with an open front surface and attached to and detached from a cube-shaped space formed in the unmanned goods sales system, wherein the goods are stored in an inner space; and a weight measuring part installed below the goods storage part, and measuring the weight of the goods stored in the goods storage part.

Description

{MODULAR GOODS WEIGHING DEVICE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a modular goods weighing apparatus, and more particularly, to a modular goods weighing apparatus implemented to be able to measure a weight constantly regardless of a storage position of a stored article.

Generally, a balance is classified into a load cell type and a magnetic balance type as a device for measuring a load of a subject. In the magnetic balance method, the load cell scale using the load cell method is mainly used since the measurement range is too small and the structure is relatively complicated.

The load cell scale measures the load using the strain of the built-in load cell when a load is applied from the measured object. When the load cell is deformed, the strain gauge installed on the load cell detects the change value of the voltage and measures the load.

The load cell scale includes a load cell fabricated so as to be securely deformed in a load range of a region to be measured, a load applying means for applying a load to the load cell, a seat plate on which a measured object is placed, an outer case, .

However, in the conventional load cell scale as described above, since only the load of a specific region measurable by a single load cell can be measured, in order to measure the weight of a low weight range and the weight of a relatively large weight range, .

In addition, the load transmitted to the load cell varies depending on the position where the object is placed on the shelf installed on the upper side of the load cell, and thus the result of the weight measurement according to the position of the object may vary.

Accordingly, since consumers have to purchase several scales for precise weight measurement, the cost is increased and the weight is measured by alternately changing the scale according to the degree of the load, which is disadvantageous.

On the other hand, the background art described above is technical information acquired by the inventor for the derivation of the present invention or obtained in the derivation process of the present invention, and can not necessarily be a known technology disclosed to the general public before the application of the present invention .

Korean Patent No. 10-1391796 Korean Patent No. 10-0825986

One aspect of the present invention is to provide a method and a device for mounting a load cell in which a bar supporting a load cell installed on the upper and lower sides of a load cell is mounted on the load cell in such a manner that it can be eccentrically installed to support one side or another side of the load cell, Device.

The technical problem of the present invention is not limited to the technical problems mentioned above, and other technical problems which are not mentioned can be understood by those skilled in the art from the following description.

The modular goods weight measuring apparatus according to an embodiment of the present invention is detachably attached to an unmanned product selling system that charges according to the weight of the goods to be sold, and when the stored goods are sold to the buyer, A commodity receiving unit detachably attached to the cube-shaped space formed in the unmanned merchandise sales system, the commodity receiving unit being housed in an inner space; And a weight measuring unit installed below the product receiving unit for measuring the weight of the product stored in the product receiving unit.

In one embodiment, the merchandise storage unit comprises: a case formed in a box shape whose front surface is opened; And at least one shelf installed in an inner space of the case so as to divide the inner space of the case into a plurality of stages.

In one embodiment, the case may have a first through-hole formed on the upper side thereof for installing the photographing means for photographing the internal space.

In one embodiment, the case may be formed with a plurality of second through-holes on both sides so that cool air or warmth supplied from the unmanned product sales system can be introduced into the inner space.

In one embodiment, the shelves may be formed with fastening protrusions on opposite sides of the second through holes so that both sides of the shelves are coupled to the second through holes and can be supported in the inner space of the case.

In one embodiment, the weighing part includes: an upper frame installed on the lower side of the product receiving part; A load cell installed on the lower side of the upper frame for measuring a weight of a product stored in the product storage unit; And a lower frame installed on the lower side of the load cell to support the load cell.

In one embodiment, the upper frame includes: a first bar installed at a lower side of the product receiving portion; A second bar installed on the other side of the lower portion of the product receiving portion; Two third bars installed between the first bar and the second bar; And a fourth bar installed between the third bar and the third bar.

In one embodiment, the fourth bar may be formed such that the lower side is raised by a predetermined height above the lower side of the third bar.

In one embodiment, the fourth bar may be eccentrically installed to the other side from the center position of the third bar.

In one embodiment, the lower frame includes a fifth bar facing the first bar and spaced apart from the lower side of the first bar; A sixth bar facing the second bar and spaced apart from the bottom of the second bar; Two seventh bars opposed to the third bars and spaced apart from the bottom of the third bars and provided between the fifth bars and the sixth bars; And an eighth bar installed between the seventh bar and the seventh bar.

In one embodiment, the eighth bar may be formed such that the upper side is lower than the upper side of the seventh bar by a predetermined height.

In one embodiment, the eighth bar may be eccentrically installed to one side from the center position of the seventh bar.

In one embodiment, one side of the load cell may be installed below the fourth bar of the lower frame, and the other side of the load cell may be provided above the eighth bar.

In one embodiment, the load cell is capable of measuring a load of a product conveyed from the first bar or the second bar via the third bar and through the fourth bar.

According to an aspect of the present invention, bars supporting upper and lower load cells are formed eccentrically so as not to face each other, so that the position of the goods placed on the shelf placed on the upper side of the upper bar is not limited The weight can be measured constantly.

FIG. 1 and FIG. 2 are views showing a schematic configuration of a modular goods weighing apparatus according to an embodiment of the present invention.
Fig. 3 is a mounting example of the present invention. Fig.
Fig. 4 is a view showing the commodity storage unit of Fig. 1. Fig.
FIG. 5 is a view showing the weight measuring unit of FIG. 1. FIG.
FIG. 6 is a view showing an upper frame of FIG. 5. FIG.
FIG. 7 is a view showing a lower frame of FIG. 5. FIG.
8 is a view showing an installation structure of the load cell of FIG.

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with an embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings.

FIG. 1 and FIG. 2 are views showing a schematic configuration of a modular goods weighing apparatus according to an embodiment of the present invention.

1 and 2, a modular goods weighing apparatus 10 according to an embodiment of the present invention includes an article storage unit 100 and a weighing unit 200.

The merchandise storage unit 100 is formed in a box shape with its front surface opened and is detachably attached to a space of a cube shape formed in the unattended merchandise sales system 300 (see Fig. 3). The merchandise is stored in the inner space, The measuring unit 200 is provided to measure the weight of the product stored in the inner space.

The weighing part 200 is formed in a shape corresponding to the shape of the lower side of the product storage part 100 and is provided below the product storage part 100, .

That is, when the merchandise storage unit 100 is inserted into the space of the unmanned merchandise sales system 300 formed corresponding to the shape of the merchandise storage unit 100, the weight measuring unit 200 stores the weight 100 of the article storage unit 100 so as to be easily inserted.

The specific configuration and functions of the weight measuring unit 200 will be described later with reference to FIG.

The weight measuring unit 200 according to the present invention can reduce the error of the weight according to the storage position of the product stored in the product storage unit 100, It is possible to measure a constant weight irrespective of the position in the inner space of the storage unit 100 and to make it possible to measure the weight constantly regardless of the position of the goods to be drawn by the buyer of the goods.

Accordingly, the weight measuring unit 200 can assist the accurate billing in the calculation of the amount in the unmanned product sales system 300. [

The modular goods weighing apparatus 10 according to an embodiment of the present invention is detachably attached to an unmanned product selling system 300 (see FIG. 3) that charges a product according to the weight of a product to be sold, The weight is measured according to the amount of the product sold.

When the user takes out a product from the internal space, the modular product weight measuring apparatus 10 may generate weight information according to the weight of the extracted product and transmit the weight information to the unmanned product sales system 300 to charge the product .

The modular commodity weighing apparatus 10 having the above-described structure is mounted on the upper and lower sides of the load cell 220 of the weighing unit 200 so that the bars supporting the load cell 220 do not face each other, It is possible to measure the weight constantly regardless of the storage position of the article placed on the shelf 120 of the product storage portion 100 provided on the upper side of the upper bar.

Fig. 4 is a view showing the commodity storage unit of Fig. 1. Fig.

Referring to FIG. 4, the article storage unit 100 includes a case 110 and at least one shelf 120.

The case 110 is formed in the shape of a box with its front surface opened, the inner space is partitioned by the shelf 120, and the weight measuring unit 200 is installed on the lower side.

At this time, the space of the unmanned merchandise sales system 300 in which the case 110 is inserted is also formed in a shape corresponding to the shape of the case 110, so that the case 110 is easily attached and detached to the space.

At least one shelf 120 is installed in the inner space of the case 110 so that the inner space of the case 110 can be partitioned into multiple stages.

In one embodiment, the case 110 is provided with a first through-hole 111 for mounting the photographing means for photographing the inner space on the upper side thereof, and a cold or warm air supplied from the unmanned goods selling system 300 A plurality of second through holes 112 may be formed on both sides or a rear side so as to be introduced into the inner space.

In one embodiment, the shelf 120 is fastened to both sides of the shelf 120 opposite to the second through-hole 112 so that both sides of the shelf 120 are coupled to the second through-hole 112 and can be supported in the inner space of the case 110 (Not shown in the drawings for convenience of explanation).

Accordingly, the shelf 120 freely changes the position at which the shelf 120 is fastened to the second through-hole 112, so that the shelf 120 is freely installed in the inner space of the case 110, Can be changed.

In one embodiment, the case 110 may be formed with a third through hole 113 at the lower front end thereof so that the user can insert a finger when detached from the unattended merchandise sales system 300.

At this time, the third through-hole 113 is formed so that the cool air or warm air flowing into the inner space of the case 110 through the second through-hole 112 is discharged downward of the case 110, And may be a passage through which cool air or warm air flows into the inner space of the case 110 from the lower side.

FIG. 5 is a view showing the weight measuring unit of FIG. 1. FIG.

5, the weight measuring unit 200 includes an upper frame 210, a load cell 220, and a lower frame 230.

The upper frame 210 is provided on the lower side of the product storage portion 100 to support one side and the other side of the product storage portion 100 and the load cell 220 on the lower side.

That is, the upper frame 210 can load the load according to the weight of the stored product, which is transmitted from one side or the other side of the product storage unit 100, regardless of the storage position of the product stored in the product storage unit 100 220, respectively.

The load cell 220 measures the weight of the product stored in the product storage unit 100 disposed under the upper frame 210 and transmitted through the upper frame 210 and has the lower frame 230 installed do.

The lower frame 230 is formed in a shape corresponding to the shape of the upper frame 210 and is installed on the lower side of the load cell 220 to face the upper frame 210 to support the load cell 220.

FIG. 6 is a view showing an upper frame of FIG. 5. FIG.

Referring to FIG. 6, the upper frame 210 includes a first bar 211, a second bar 212, two third bars 213, and a fourth bar 214.

The first bar 211 is installed at a lower side of the product storage portion 100 and is spaced apart from the second bar 212 and two third bars 213 are installed between the second bar 212 and the second bar 212 do.

The second bar 212 is provided on the other side of the lower part of the article storage unit 100 and is spaced apart from the first bar 211 to form two third bars 213 between the first bar 211 and the first bar 211 Respectively.

The third bar 213 is installed between the first bar 211 and the second bar 212 and the fourth bar 214 is installed in the space between them.

The fourth bar 214 is installed between the third bar 213 and another third bar 213.

However, the fourth bar 214 may be disposed eccentrically from the center position of the third bar 213 to the other side (i.e., the direction of the second bar 212) as shown in FIG.

Accordingly, the fourth bar 214 is located on the other side of the upper part of the load cell 220, as shown in FIG. 8, instead of being positioned above the central part of the load cell 220.

In one embodiment, the fourth bar 214 may be formed such that the lower side is raised above the lower side of the third bar 213 by a predetermined height.

The fourth bar 214 and the third bar 213 are formed differently from the lower side by recessing the lower side of the fourth bar 214 on which the load cell 220 is installed, The interval between the frames 230 can be reduced to reduce the overall volume of the weight measuring unit 200.

Therefore, when the height of the load cell 220 is 5 cm, the lower surface of the fourth bar 214 is recessed by about 2 cm in the upward direction from the lower surface of the third bar 213, The overall volume can be reduced.

7, the upper side of the eighth bar 234 is formed to be lower than the upper side of the seventh bar 233 by a predetermined height, which will not be described below.

FIG. 7 is a view showing a lower frame of FIG. 5. FIG.

Referring to FIG. 7, the lower frame 230 includes a fifth bar 231, a sixth bar 232, a seventh bar 233, and an eighth bar 234.

The fifth bar 231 is disposed opposite to the first bar 211 and spaced apart from the first bar 211 and spaced apart from the sixth bar 232 so as to be spaced apart from the sixth bar 232 Seventh bars 233 are provided.

The sixth bar 232 is disposed so as to face the second bar 212 and spaced apart from the lower side of the second bar 212 and spaced apart from the fifth bar 231, Seventh bars 233 are provided.

The seventh bar 233 is disposed between the fifth bar 231 and the sixth bar 232 so as to face the third bar 213 and spaced below the third bar 213, An eighth bar 234 is provided.

The eighth bar 234 is provided between the seventh bar 233 and the seventh bar 233.

However, the eighth bar 234 may be eccentrically installed at one side (i.e., the fifth bar 231) from the center position of the seventh bar 233 as shown in Fig.

8, the eighth bar 234 is positioned at a lower side of the load cell 220, as shown in FIG. 8, instead of being positioned below the central portion of the load cell 220.

In one embodiment, the eighth bar 234 may be formed such that the top side is lower than the top side of the seventh bar 233 by a predetermined height.

8 is a view showing an installation structure of the load cell of FIG.

8, one side of the load cell 220 is provided below the fourth bar 214 of the lower frame 230, and the other side of the load cell 220 is provided above the eighth bar 234.

The load cell 220 can measure the load of the product transmitted from the first bar 211 or the second bar 212 via the third bar 213 and through the fourth bar 214 .

That is, when a product is placed on one side of the case 110, the load cell 220 installed according to the present invention transmits a load via the first bar 211, A force that pushes the eighth bar 234 downward is generated through the force of lifting the one side upwards and the one side, and the weight of the product can be measured by adding the two forces.

When the product is located on the other side of the case 110, the load is transmitted via the second bar 212 and the force exerted by the fourth bar 214 in the downward direction A force is generated by lifting the eighth bar 234 in the upward direction so that the weight of the product can be measured by adding the two forces.

Therefore, the load cell 220 according to the present invention measures the weight of the product constantly irrespective of the storage position of the goods stored in the case 110, thereby assisting the unmanned product sales system 300 in assisting in accurate billing can do.

It will be apparent to those skilled in the art that the above-described embodiments are for illustrative purposes only and that those skilled in the art will readily understand that other embodiments can be readily modified without departing from the spirit or essential characteristics of the embodiments described above You will understand. It is therefore to be understood that the above-described embodiments are to be considered in all respects only as illustrative and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

It is to be understood that the scope of the present invention is defined by the appended claims rather than the foregoing description and should be construed as including all changes and modifications that come within the meaning and range of equivalency of the claims, .

10: Modular product weight measuring apparatus 100:
110: Case 111: First through hole
112: second through hole 113: third through hole
120: shelf 200: weighing part
210: upper frame 211: first bar
212: The second bar 213: The third bar
214: fourth bar 220: load cell
230: Lower frame 231: Fifth bar
232: 6th bar 233: 7th bar
234: 8th Bar 300: Unmanned Commodity Sales System

Claims (14)

A modular goods weighing apparatus detachably attached to an unmanned product selling system which charges according to the weight of a product to be sold and measures the weight according to the quantity of the product when the stored product is sold to a purchaser,
An article storage unit formed in a box shape having an open front face and detachably attached to a cube-shaped space formed in the unmanned product sales system, the article being stored in an inner space; And
And a weight measuring unit installed below the product receiving unit for measuring the weight of the product stored in the product receiving unit,
Wherein the weight measuring unit comprises:
The width and the length of the product receiving portion are formed to be smaller than the width and length of the product receiving portion,
Wherein the weight measuring unit comprises:
A load cell installed on the lower side of the upper frame for measuring a weight of a product stored in the product storage unit; And a lower frame supporting the load cell and having a shape corresponding to the shape of the upper frame including a plurality of bars, wherein the weight of the lower frame is determined so that the weight can be measured constantly irrespective of the position of the product in the inner space of the product receiving portion. The bars of the upper frame supporting the load cell and the bars of the lower frame are eccentrically formed so as not to face each other,
Wherein the upper frame comprises:
A first bar installed on a lower side of the article storage unit;
A second bar installed on the other side of the lower portion of the product receiving portion;
Two third bars installed between the first bar and the second bar; And
And a fourth bar disposed between the third bar and the third bar,
Wherein the fourth bar comprises:
The lower bar is formed so that the lower side is higher than the lower side of the third bar by a predetermined height and is eccentrically arranged to the other side from the center position of the third bar, And lowering the distance between the upper frame and the lower frame to reduce the volume of the weighing part,
Wherein the lower frame comprises:
A fifth bar facing the first bar and spaced apart from the first bar;
A sixth bar facing the second bar and spaced apart from the bottom of the second bar;
Two seventh bars opposed to the third bars and spaced apart from the bottom of the third bars and provided between the fifth bars and the sixth bars; And
And an eighth bar provided between the seventh bar and the seventh bar,
The eighth bar may include:
The upper side of the eighth bar on which the load cell is installed is formed in a lower side of the seventh bar so that the upper side thereof is lower than the upper side of the seventh bar by a predetermined height, And reducing the distance between the upper frame and the lower frame to reduce the volume of the weight measuring unit,
In the load cell,
One side of which is provided on the lower side of the fourth bar of the lower frame and the other side of which is provided on the upper side of the eighth bar and which passes from the first bar or the second bar via the third bar, A modular goods weighing device that measures the load of a product delivered through it.
The apparatus according to claim 1,
A case formed in the form of a box whose front surface is opened; And
And at least one shelf installed in an inner space of the case so as to divide the inner space of the case into a plurality of stages.
3. The apparatus according to claim 2,
And a first through-hole for installing a photographing means for photographing an internal space is formed on the upper side.
3. The apparatus according to claim 2,
Wherein a plurality of second through holes are formed on both sides so that cool air or warmth supplied from the unmanned product sales system can be introduced into the inner space.
5. The apparatus of claim 4,
Wherein a fastening protrusion is formed on both sides of the second through hole so that both sides thereof are coupled to the second through hole and can be supported in the inner space of the case.
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