Cashier weighing electronic scale based on visual identification

Abstract

The utility model relates to the technical field of cashier weighing electronic scales, and discloses a cashier weighing electronic scale based on visual identification, which comprises a weighing bottom plate, a weighing platform is arranged in the middle of the top of the weighing bottom plate, a plurality of supports are symmetrically arranged on the periphery of the weighing platform, the end parts of the plurality of supports are fixedly connected with the weighing bottom plate, and the weighing bottom plate is fixedly connected with the weighing platform. According to the utility model, through the cooperation of the linkage rod, the vacuum suction head, the connecting rod and the linkage plate, the edge of a bag can be tightly attached to the vacuum suction head based on the suction force of the vacuum suction head after a customer places the bag filled with articles on the weighing platform. And after the distance between the multiple vacuum suction heads is changed, the opening of the bag is expanded, so that an identification camera can be assisted to identify and weigh an object based on a visual identification system, and the identification effect of the identification camera is better.

Description

Technical Field

[0001] The utility model relates to the technical field of cashier weighing electronic scales, in particular to a cashier weighing electronic scale based on visual recognition. Background Art

[0002] The cash register weighing electronic scale based on visual recognition is an advanced device that combines computer vision technology and electronic scale functions. This device can not only realize the traditional weighing function, but also automatically identify and price goods through visual recognition technology, greatly improving the efficiency and accuracy of cash register.

[0003] When the cashier weighing electronic scale based on visual recognition is used in supermarkets and other places, a large number of customers will put items into bags and then place the bags on the electronic scale for weighing. At this time, the recognition effect of the electronic scale on the items will be affected due to the opaque state of the bags.

[0004] However, the existing cashier weighing electronic scale based on visual recognition makes it difficult to open the bag containing the items to assist the electronic scale in identifying the items. As a result, when the electronic scale directly identifies the items through the bag, it is easily affected by the opaque state of the bag, resulting in errors in subsequent weighing and measurement.

[0005] Therefore, how to design a cash register weighing electronic scale based on visual recognition has become a problem that we currently need to solve. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies in the prior art, the utility model provides a cashier weighing electronic scale based on visual recognition to solve the problems mentioned in the above background technology.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cash register weighing electronic scale based on visual recognition, comprising a weighing base plate, a weighing platform is arranged in the middle of the top of the weighing base plate, a plurality of brackets are symmetrically arranged around the weighing platform, the ends of the plurality of brackets are fixedly connected to the weighing base plate, the tops of the four brackets are hingedly connected to a linkage rod, and one end of the linkage rod is hingedly connected to a connecting rod.

[0010] Preferably, the other end of the linkage rod is fixedly connected with a vacuum suction head.

[0011] Preferably, the top of the weighing bottom plate is fixedly connected to a rear vertical plate, a visual recognition system is arranged inside the rear vertical plate, and a recognition camera is arranged on the top of the rear vertical plate.

[0012] Preferably, an inner cavity is defined in the weighing bottom plate, a servo motor is fixedly connected to the inner peripheral wall of the inner cavity, and a lead screw is fixedly connected to the end of the output shaft of the servo motor.

[0013] Preferably, a linkage plate is sleevedly connected to the outer peripheral wall of the screw rod, a thread groove is provided in the middle of the linkage plate, and the linkage plate is threadedly connected to the screw rod through the thread groove.

[0014] Preferably, a plurality of limiting grooves are symmetrically formed on the outer peripheral wall of the linkage plate, and the ends of the connecting rods are located in the limiting grooves and are hingedly connected to the linkage plate.

[0015] (III) Beneficial effects

[0016] The utility model provides a cash register weighing electronic scale based on visual recognition, which has the following beneficial effects: through the coordinated use of a linkage rod, a vacuum suction head, a connecting rod and a linkage plate, after the customer places a bag containing items on a weighing table, the edge of the bag can be tightly attached to the vacuum suction head based on the suction force of the vacuum suction head, and then after the spacing between multiple vacuum suction heads changes, the opening of the bag can be enlarged, and through the change of the position of the vacuum suction head and the position of multiple brackets, the opening of the bag can be directed toward a recognition camera, thereby assisting the recognition camera to weigh the items after recognition based on a visual recognition system, so that the recognition effect of the recognition camera is better, and the recognition effect of the system is not affected after the items are put into the bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model;

[0018] Figure 2 It is a front cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure when viewed from above of the utility model.

[0021] In the figure: 1. Weighing base plate; 2. Rear vertical plate; 3. Identification camera; 4. Weighing platform; 5. Bracket; 501. Linkage rod; 502. Connecting rod; 503. Vacuum suction head; 6. Inner cavity; 601. Servo motor; 602. Screw rod; 603. Linkage plate; 604. Threaded groove; 605. Limit groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] like Figure 1-4 As shown, the utility model provides a technical solution: a cash register weighing electronic scale based on visual recognition, including a weighing base plate 1, a weighing platform 4 is arranged in the middle of the top of the weighing base plate 1, and a plurality of brackets 5 are symmetrically arranged around the weighing platform 4, and the ends of the plurality of brackets 5 are fixedly connected to the weighing base plate 1, and the tops of the four brackets 5 are hingedly connected to a linkage rod 501, one end of the linkage rod 501 is hingedly connected to a connecting rod 502, and the other end of the linkage rod 501 is fixedly connected to a vacuum suction head 503, the top of the weighing base plate 1 is fixedly connected to a rear vertical plate 2, a visual recognition system is arranged in the rear vertical plate 2, and an identification camera 3 is arranged on the top of the rear vertical plate 2.

[0026] Specifically: an inner cavity 6 is provided in the weighing bottom plate 1, a servo motor 601 is fixedly connected to the inner peripheral wall of the inner cavity 6, a screw rod 602 is fixedly connected to the end of the output shaft of the servo motor 601, a linkage plate 603 is sleevedly connected to the outer peripheral wall of the screw rod 602, a thread groove 604 is provided in the middle of the linkage plate 603, the linkage plate 603 is threadedly connected to the screw rod 602 through the thread groove 604, a plurality of limiting grooves 605 are symmetrically provided on the outer peripheral wall of the linkage plate 603, and the end of the connecting rod 502 is located in the limiting groove 605 and is hingedly connected to the linkage plate 603;

[0027] During use, firstly, the inner cavity 6 is opened in the weighing bottom plate 1, and the servo motor 601 is arranged on the inner wall of the inner cavity 6, and the screw rod 602 is fixedly connected to the end of the output shaft of the servo motor 601, and then the servo motor 601 can drive the screw rod 602 to rotate, and then the linkage plate 603 is threadedly connected to the screw rod 602 through the thread groove 604, and the linkage plate 603 itself is hingedly connected to the connecting rod 502 at the position of the limit groove 605, and the linkage plate 603 can be driven by the connecting rod 502 to rotate. 03 is limited, so that the linkage plate 603 itself cannot rotate, so that after the servo motor 601 is running, the linkage plate 603 can be offset along the screw rod 602 through the threaded relationship between the linkage plate 603 and the screw rod 602, thereby changing the height of the linkage plate 603, and based on this, in the process where the end of the connecting rod 502 is hingedly connected to the linkage rod 501, the linkage rod 501 can be further driven to rotate with its connection with the bracket 5 as the center, thereby changing the end of the linkage rod 501. The position of the vacuum suction head 503 is changed, and after the multiple groups of linkage rods 501 and the vacuum suction head 503 are offset at the same time, the spacing between the multiple vacuum suction heads 503 can be changed. That is, when customers buy items that need to be weighed, they sometimes need to put the items into a bag for carrying. The items in the bag will affect the recognition effect of the identification camera 3 on the items due to the transparency of the bag. Therefore, after the customer places the bag with the items on the weighing platform 4, the suction force of the vacuum suction head 503 can make the edge of the bag close to the vacuum suction head 503, and then after the spacing between the multiple vacuum suction heads 503 changes, the opening of the bag is enlarged, and through the position change of the vacuum suction head 503 and the position of the multiple brackets 5, the opening of the bag can be directed toward the identification camera 3, thereby assisting the identification camera 3 to weigh the items based on the visual recognition system, so that the recognition effect of the identification camera 3 is better, and the identification effect of the system is avoided to be affected after the items are put into the bag.

[0028] The working process of the utility model is as follows: firstly, the inner cavity 6 is opened in the weighing bottom plate 1, and the servo motor 601 is arranged on the inner peripheral wall of the inner cavity 6, and the screw rod 602 is fixedly connected to the output shaft end of the servo motor 601, and then the servo motor 601 can drive the screw rod 602 to rotate, and then the linkage plate 603 is threadedly connected to the screw rod 602 through the thread groove 604, and the linkage plate 603 itself is hingedly connected to the connecting rod 502 at the position of the limit groove 605, and can be coupled by the connecting rod 502 The movable plate 603 is limited, so that the linkage plate 603 itself cannot rotate, so that after the servo motor 601 is running, the linkage plate 603 can be offset along the screw rod 602 through the threaded relationship between the linkage plate 603 and the screw rod 602, thereby changing the height of the linkage plate 603, and based on this, in the process where the end of the connecting rod 502 is hingedly connected to the linkage rod 501, the linkage rod 501 can be further driven to rotate with its connection with the bracket 5 as the center, thereby changing the height of the linkage rod 501. The position of the end portion is the position of the vacuum suction head 503. After the multiple groups of linkage rods 501 and the vacuum suction head 503 are offset at the same time, the spacing between the multiple vacuum suction heads 503 can be changed. That is, when customers purchase items that need to be weighed, they sometimes need to put the items into a bag for carrying. The items put into the bag will affect the recognition effect of the identification camera 3 on the items due to the transparency of the bag. Therefore, after the customer places the bag containing the items on the weighing platform 4, the suction force of the vacuum suction head 503 can make the edge of the bag close to the vacuum suction head 503. Then, after the spacing between the multiple vacuum suction heads 503 changes, the opening of the bag is enlarged. Through the change in the position of the vacuum suction head 503 and the position of the multiple brackets 5, the opening of the bag can be directed toward the identification camera 3. This can assist the identification camera 3 in weighing the items after identification based on the visual recognition system, so that the recognition effect of the identification camera 3 is better, and the identification effect of the system is avoided to be affected after the items are put into the bag.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cashier weighing electronic scale based on visual recognition, characterized in that: The invention comprises a weighing base plate (1), a weighing platform (4) is arranged in the middle of the top of the weighing base plate (1), a plurality of brackets (5) are symmetrically arranged around the weighing platform (4), the ends of the plurality of brackets (5) are fixedly connected to the weighing base plate (1), the tops of the four brackets (5) are hingedly connected to a linkage rod (501), and one end of the linkage rod (501) is hingedly connected to a connecting rod (502).

2. The cash register weighing electronic scale based on visual recognition according to claim 1, characterized in that: The other end of the linkage rod (501) is fixedly connected to a vacuum suction head (503).

3. The cash register weighing electronic scale based on visual recognition according to claim 1, characterized in that: The top of the weighing bottom plate (1) is fixedly connected to a rear vertical plate (2), a visual recognition system is arranged inside the rear vertical plate (2), and a recognition camera (3) is arranged on the top of the rear vertical plate (2).

4. The cash register weighing electronic scale based on visual recognition according to claim 1, characterized in that: An inner cavity (6) is provided in the weighing base plate (1), a servo motor (601) is fixedly connected to the inner peripheral wall of the inner cavity (6), and a screw rod (602) is fixedly connected to the end of the output shaft of the servo motor (601).

5. The cash register weighing electronic scale based on visual recognition according to claim 4, characterized in that: A linkage plate (603) is sleevedly connected to the outer peripheral wall of the screw rod (602), a thread groove (604) is provided in the middle of the linkage plate (603), and the linkage plate (603) is threadedly connected to the screw rod (602) via the thread groove (604).

6. The cash register weighing electronic scale based on visual recognition according to claim 5, characterized in that: The outer peripheral wall of the linkage plate (603) is symmetrically provided with a plurality of limiting grooves (605), and the end of the connecting rod (502) is located in the limiting groove (605) and is hingedly connected to the linkage plate (603).

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