Ordering weighing device and system

Abstract

An ordering weighing device comprises a base, a sensor, a main board and a support are arranged in the base, a top plate is arranged on the surface of the base, and the top plate and the sensor are both in contact with or connected with the support; the device is characterized in that a plurality of suction cups are arranged on the support, and the suction cups attract the top plate; a plurality of supporting columns are further arranged in the base, heating coils are arranged on the supporting columns, and the heating coils are connected with the main board; the heating coil is lower than the topmost end of the suction cup, and gaps are formed between the heating coil and the sensor and between the heating coil and the top plate. According to the food ordering and weighing device and system, heating is achieved by generating an electromagnetic field through the heating coil used for heating, the heating coil is arranged in a suspended mode through the supporting column, neither the heating coil makes contact with the top plate nor the sensor, and the weighing accuracy is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of self-service meal ordering, in particular to a meal ordering weighing device and system. Background Art

[0002] The ordering weighing devices provided by the prior art are usually unable to heat, which causes the dishes to cool down easily after being placed for a period of time. The few that have heating devices usually set the heating devices on the top surface, which will seriously affect the accuracy of dish weighing. Utility Model Content

[0003] The utility model provides a meal order weighing device and system, which solves the problem that the existing meal order weighing cannot heat the dishes or the heating device affects the weighing accuracy.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A meal order weighing device comprises: a base 1, a sensor, a main board and a bracket 4 are arranged inside the base 1, a top plate 3 is arranged on the surface of the base 1, and the top plate 3 and the sensor are in contact with or connected to the bracket 4;

[0006] The bracket 4 is provided with a plurality of suction cups 9, and the suction cups 9 are attracted to the top plate 3;

[0007] The base 1 is further provided with a plurality of support columns 10, on which a heating coil 11 is provided, and the heating coil 11 is connected to the main board;

[0008] The height of the heating coil 11 is lower than the top of the suction cup 9 , and there are gaps between the heating coil 11 and the sensor and the top plate 3 .

[0009] Preferably, a receiving tray 12 is further provided on the top plate 3 .

[0010] Preferably, a serving plate is also provided in the receiving tray 12, and the space between the receiving tray 12 and the serving plate is used to hold liquid.

[0011] Preferably, the base 1 is provided with an identification device 5 , and the identification device 5 is provided with at least two identification ports 6 . The identification device 5 is correspondingly provided with the same number of cameras, and the cameras are arranged at the identification ports 6 .

[0012] Preferably, one of the identification openings 6 faces upward, and the other identification opening 6 faces away from the base 1 along a horizontal direction.

[0013] Preferably, the identification device 5 is convexly arranged in front of the base 1, and an identification slot 7 is provided in a direction away from the base 1. A camera is arranged in the identification slot 7, and the camera is connected to the mainboard.

[0014] Preferably, the top of the identification device 5 is covered with a transparent material, and a camera facing upward is provided in the identification device 5 , which can be seen through the top of the identification device 5 , and the camera is connected to the mainboard.

[0015] Preferably, a display screen 8 is provided on the top of the identification device 5, and the display screen 8 is made of transparent material.

[0016] A meal ordering and weighing system comprises any one of the above-mentioned meal ordering and weighing devices, and further comprises a meal tray 13 , on which an identification code 14 is provided, and a camera in the identification device 5 is used to identify the identification code 14 .

[0017] Preferably, identification codes 14 are provided on the bottom and sides of the dinner plate 13 .

[0018] By implementing the above technical scheme, the following technical effects are achieved: the utility model provides a meal ordering weighing device and system, which realizes heating by generating an electromagnetic field through a heating coil used for heating. The utility model uses a support column to suspend the heating coil in the air, which neither contacts the top plate nor the sensor, thereby avoiding affecting the accuracy of weighing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of the meal ordering weighing device provided by the utility model;

[0020] Figure 2 This is a structural diagram of the meal ordering and weighing system provided by the utility model;

[0021] Figure 3 This is a structural schematic diagram of the meal ordering weighing device provided by the utility model. DETAILED DESCRIPTION

[0022] In order to better understand the technical solution of the present utility model, the embodiments provided by the present utility model are described in detail below with reference to the accompanying drawings.

[0023] Embodiment 1

[0024] like Figure 1-3 As shown, it can be understood that the present embodiment provides a meal weighing device, including: a base 1, a sensor, a main board and a bracket 4 are arranged in the base 1, a top plate 3 is arranged on the surface of the base 1, and the top plate 3 and the sensor are in contact with or connected to the bracket 4; Figure 1 As shown, the bracket 4 is provided with a plurality of suction cups 9, and the suction cups 9 are attracted to the top plate 3. The top plate 3 and the sensor are connected through the bracket 4 and the suction cups 9, and the weight signal of the top plate 3 is transmitted to the sensor to realize weight sensing. The arrangement of the suction cups 9 can ensure that the bracket 4 is closely connected with the top plate 3 and reduce errors.

[0025] Furthermore, the base 1 is provided with a plurality of support columns 10, on which a heating coil 11 is provided, and the heating coil 11 is connected to the main board. The heating coil 11 is provided in the base 1, so that the dishes on the top plate 3 can be continuously heated to prevent the dishes from cooling down.

[0026] In this embodiment, the height of the heating coil 11 is lower than the top of the suction cup 9, and there is a gap between the heating coil 11 and the sensor and the top plate 3. The heating coil 11 does not contact the top plate 3 and the sensor, and the support column 10 does not contact the sensor, which can ensure heating without affecting the weight sensing of the sensor, that is, the weighing accuracy.

[0027] Furthermore, a receiving tray 12 is also provided on the top plate 3. A serving tray is also provided inside the receiving tray 12, and a liquid is placed between the receiving tray 12 and the serving tray. The serving tray is used to hold dishes, and the receiving tray 12 holds liquid, usually water, and heat is conducted by heating the liquid to prevent the dishes in the serving tray from drying out. The top plate 3 in this embodiment is made of tempered glass, which has a large rigidity and is not easily damaged; the receiving tray 12 and the serving tray are both made of stainless steel, which has fast heat conduction and is not easy to rust. In addition, stainless steel or metal materials can generate a magnetic field with the heating coil 11, thereby achieving heating.

[0028] Embodiment 2

[0029] like Figure 1 As shown, the base 1 provided in this embodiment is provided with an identification device 5, and the identification device 5 is provided with at least two identification ports 6. The same number of cameras are correspondingly provided in the identification device 5, and the cameras are arranged at the identification ports 6; one of the identification ports 6 is directed upward, and one of the identification ports 6 is directed horizontally away from the base 1.

[0030] In this embodiment, the top plate 3 of the ordering weighing device is used to place different dishes and continuously weigh the dishes thereon; the top plate 3 can be set in a closed manner with the base 1, or can be set independently above the base 1. When the user takes the dishes, the plate 13 customized with a unique identification code 14 such as a QR code information is used, and the identification device 5 on the ordering weighing device, such as a code scanning port, recognizes the QR code of the plate 13. After binding with the user, the user starts to take the dishes, and the weight of the dishes is continuously sensed by the sensor, and the weight reduction of the dishes is finally settled to calculate the amount of dishes taken. The special thing is that at least two identification ports 6 are set on the identification device 5 in this embodiment, at least one of which is facing upward, so that the user can accurately identify when using the plate 13 to approach the identification device 5 from top to bottom; at least one identification port 6 is in the horizontal direction and faces the direction away from the base 1, so that the user can also prepare for identification when using the plate 13 to approach the identification device 5 from the horizontal direction. Other identification ports 6 can also be set in other directions to facilitate multi-angle identification and reduce the probability of identification errors.

[0031] Further, the identification device 5 is convexly arranged in front of the base 1, and an identification slot 7 is opened in the direction away from the base 1. A camera is arranged in the identification slot 7, and the camera is connected to the mainboard. The identification device 5 is convexly arranged in front of the base 1, located in the horizontal direction of the base 1, and a concave identification slot 7 is opened in the horizontal direction away from the base 1, and identification is performed by the camera in the identification slot 7.

[0032] In this embodiment, the top of the identification device 5 is covered with a transparent material, and a camera facing upward is provided in the identification device 5, and the camera is connected to the main board through the top of the identification device 5. Another identification port 6 is provided on the top of the identification device 5, and the top is a plane to prevent dust accumulation, and the top is set to be transparent or translucent in order not to affect identification.

[0033] Furthermore, a display screen 8 is provided on the top of the identification device 5, and the display screen 8 is made of a transparent material. The transparent display screen 8 on the top of the identification device 5 is used to display user information and the weight and price of the dishes.

[0034] Embodiment 3

[0035] like Figure 2 As shown, this embodiment provides a meal ordering and weighing system, including the meal ordering and weighing device described in any of the above embodiments, and also includes a meal plate 13, on which an identification code 14 is provided, and a camera in the identification device 5 is used to identify the identification code 14; the bottom and side of the meal plate 13 are provided with identification codes 14.

[0036] Identification ports 6 are arranged at multiple positions and directions of the meal ordering and weighing device, and corresponding identification codes 14 are also arranged at the bottom and side of the meal plate 13, so as to realize multi-directional identification, reduce the probability of identification failure, and save time.

[0037] The above is a detailed introduction to a meal ordering weighing device and system provided in an embodiment of the utility model. For a person skilled in the art, according to the idea of ​​the embodiment of the utility model, there may be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A meal weighing device, include: A base (1), wherein a sensor, a main board and a bracket (4) are arranged inside the base (1), a top plate (3) is arranged on the surface of the base (1), and the top plate (3) and the sensor are in contact with or connected to the bracket (4); The feature is that a plurality of suction cups (9) are provided on the bracket (4), and the suction cups (9) are attracted to the top plate (3); A plurality of support columns (10) are also provided in the base (1), and a heating coil (11) is provided on the support column (10), and the heating coil (11) is connected to the main board; The height of the heating coil (11) is lower than the top of the suction cup (9), and there are gaps between the heating coil (11) and the sensor and the top plate (3).

2. The meal ordering weighing device according to claim 1, It is characterized in that A receiving tray (12) is also provided on the top plate (3).

3. The meal ordering weighing device according to claim 2, It is characterized in that A dish serving plate is also provided inside the receiving plate (12), and a space between the receiving plate (12) and the dish serving plate is used for holding liquid.

4. The meal ordering weighing device according to claim 2, It is characterized in that The base (1) is provided with an identification device (5), the identification device (5) is provided with at least two identification ports (6), and the identification device (5) is provided with the same number of cameras, which are arranged at the identification ports (6).

5. The meal ordering weighing device according to claim 4, It is characterized in that One of the identification openings (6) is oriented upward, and the other identification opening (6) is oriented horizontally in a direction away from the base (1).

6. The meal ordering weighing device according to claim 4, It is characterized in that The identification device (5) is protruding from the front of the base (1), and is provided with an identification slot (7) in a direction away from the base (1). A camera is arranged in the identification slot (7), and the camera is connected to the mainboard.

7. The meal ordering weighing device according to claim 4, It is characterized in that The top of the identification device (5) is covered by a transparent material. A camera facing upward is arranged in the identification device (5). The top of the identification device (5) can be seen through, and the camera is connected to the main board.

8. The meal ordering weighing device according to claim 4, It is characterized in that A display screen (8) is provided on the top of the identification device (5), and the display screen (8) is made of a transparent material.

9. A meal ordering and weighing system, comprising the meal ordering and weighing device according to any one of claims 4 to 8, and also comprising a meal plate (13), wherein the meal plate (13) is provided with an identification code (14), and a camera in the identification device (5) is used to identify the identification code (14).

10. The meal ordering weighing system according to claim 9, It is characterized in that The bottom and side of the dinner plate (13) are both provided with identification codes (14).

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