Electronic price tag device based on Internet of Things

Abstract

The utility model discloses an electronic price tag device based on Internet of Things, which relates to the technical field of price tag equipment and comprises a shell, a connecting port is arranged on one side of the shell, gaskets are fixedly connected to four corners of the inner bottom wall of the shell, a circuit board is arranged above the four gaskets and located in the shell, and the circuit board is connected with the connecting port. A circuit board is installed in the shell, a battery assembly is installed on one side of the circuit board, connecting holes are formed in the four corners of the upper portion of the shell, a cover body is fixedly connected to the upper portion of the shell, a display screen is fixedly connected to the face, located in the shell, of the cover body, and a limiting device is fixedly connected to the lower portion of the shell. By arranging the shell, the cover body and the limiting device, it can be ensured that the device is stably fixed to the goods shelf, displacement or falling caused by accidental collision or other external factors is reduced, and therefore the risk of equipment damage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of price label equipment, in particular to an electronic price label device based on the Internet of Things. Background Art

[0002] Electronic price tags are digital display devices that are designed to replace traditional paper price tags to display the price and other relevant information of goods. Electronic price tags are usually installed on shelves in retail environments such as supermarkets, convenience stores, pharmacies, etc., and are connected to the store's central database through wired or wireless networks. They can update and synchronize data such as product prices, promotional information, inventory status, etc. in real time.

[0003] For example, the Chinese patent with application number "CN202220971111.7" is named: "An electronic price tag device", including an outer protective plate and a shell, a screen, a circuit board and a battery assembly are installed in sequence between the outer protective plate and the shell; a protective cover is sleeved on the outside of the screen and supported on the shell by the protective cover; an opening is provided on one side of the shell, and the battery assembly is plugged into the shell through the opening; the screen and the battery assembly are electrically connected to the circuit board. The electronic price tag device of this application has the characteristics of simple structure, detachability, low cost and good waterproof effect. At the same time, the structure is stable, not easy to damage, and has a long service life.

[0004] When in use, the device protects the screen through an outer protective plate and a shell, but the device lacks an installation device and cannot be fixed on the shelf for use, which causes the electronic price tag to fall or shift easily, which not only affects the customer's shopping experience, but also may increase the risk of device damage. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides an electronic price tag device based on the Internet of Things. By setting up a shell, a cover and a limit device, it can ensure that the device is stably fixed on the shelf, reduce displacement or falling due to accidental collision or other external factors, and thus reduce the risk of equipment damage.

[0006] The utility model also provides the above-mentioned electronic price tag device based on the Internet of Things, including: a shell, a connection port is provided on one side of the shell, gaskets are fixedly connected to the four corners of the bottom wall of the shell, a circuit board is provided above the four gaskets and located in the shell, a battery assembly is installed on one side of the circuit board, connection holes are provided at the four corners above the shell, a cover body is fixedly connected to the top of the shell, a display screen is fixedly connected to one side of the cover body located inside the shell, and a limiting device is fixedly connected to the bottom of the shell. By providing the shell, the cover body and the limiting device, it can ensure that the device is stably fixed on the shelf, reduce displacement or falling due to accidental collision or other external factors, and thus reduce the risk of equipment damage.

[0007] According to the electronic price tag device based on the Internet of Things, the limiting device includes a support column fixedly connected to the bottom of the shell, a connecting plate fixedly connected to the bottom of the support column, active cavities are arranged on both sides of the connecting plate, a slide plate is slidably connected inside the active cavity, one end of the slide plate located inside the active cavity is fixedly connected to a spring, and a limiting column is fixedly connected below one end of the slide plate away from the spring.

[0008] According to the electronic price tag device based on the Internet of Things, the shape of the limiting column is L-shaped, and the inner wall of the limiting column is provided with an anti-slip pad.

[0009] According to the electronic price tag device based on the Internet of Things, one end of the spring away from the slide plate is fixedly connected to the inner wall of the active cavity.

[0010] According to the electronic price tag device based on the Internet of Things, the connection port is adapted to the outer side wall of the battery assembly, and a sealing gasket is provided at the connection between the connection port and the battery assembly.

[0011] According to the electronic price tag device based on the Internet of Things, four limit bolts are threadedly connected to the four corners of the upper end of the cover body, and the four limit bolts all pass through the cover body and are threadedly connected to four connecting holes. Secondly, the cover body is a transparent glass cover.

[0012] According to the electronic price tag device based on the Internet of Things, the display screen and the battery assembly are both electrically connected to the circuit board.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a three-dimensional diagram of the disassembled state of the electronic price label device based on the Internet of Things of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the electronic price tag device based on the Internet of Things from a bottom perspective of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the upper perspective of the housing of the electronic price tag device based on the Internet of Things of the present invention;

[0018] Figure 4 This is a structural diagram of the electronic price tag device based on the Internet of Things from a side perspective of the present invention.

[0019] Legend:

[0020] 1. Shell; 101. Connection port; 2. Gasket; 3. Circuit board; 4. Battery assembly; 5. Connection hole; 6. Cover; 7. Display screen; 8. Limiting device; 801. Support column; 802. Connecting plate; 803. Movable cavity; 804. Slide plate; 805. Spring; 806. Limiting column; 601. Limiting bolt. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 , the electronic price tag device based on the Internet of Things in the embodiment of the utility model comprises: a shell 1, a connection port 101 is provided on one side of the shell 1, the connection port 101 is adapted to the outer wall of the battery assembly 4, and a sealing gasket is provided at the connection between the connection port 101 and the battery assembly 4, gaskets 2 are fixedly connected to the four corners of the bottom wall of the shell 1, a circuit board 3 is provided above the four gaskets 2 and located in the shell 1, and a battery assembly 4 is installed on one side of the circuit board 3, and connection holes 5 are provided at the four corners above the shell 1, and a cover body 6 is fixedly connected to the top of the shell 1, and four limiting bolts 601 are threadedly connected to the four corners of the upper end of the cover body 6, and the four limiting bolts 601 all penetrate the cover body 6 and are threadedly connected to the four connecting holes 5, and the cover body 6 is a transparent glass cover, and the cover body 6 is fixedly connected to a display screen 7 on one side of the inner side of the shell 1, and the display screen 7 and the battery assembly 4 are both electrically connected to the circuit board 3, and a limiting device 8 is fixedly connected to the bottom of the shell 1.

[0023] The limiting device 8 includes a support column 801 fixedly connected to the bottom of the shell 1, a connecting plate 802 fixedly connected to the bottom of the support column 801, an active cavity 803 is arranged on both sides of the connecting plate 802, a slide plate 804 is slidably connected inside the active cavity 803, a spring 805 is fixedly connected to one end of the slide plate 804 located inside the active cavity 803, the end of the spring 805 away from the slide plate 804 is fixedly connected to the inner wall of the active cavity 803, and a limiting column 806 is fixedly connected below the end of the slide plate 804 away from the spring 805, the limiting column 806 is L-shaped, and an anti-skid pad is arranged on the inner wall of the limiting column 806. By setting the shell 1, the cover body 6 and the limiting device 8, it can ensure that the device is stably fixed on the shelf, reduce displacement or falling caused by accidental collision or other external factors, and thus reduce the risk of equipment damage.

[0024] Working principle: When used for the first time, the connecting plate 802 of the device is attached to the surface of the shelf, and the two slide plates 804 are stretched. The slide plates 804 slide outward under the deformation force of the spring 805, so that the two limit columns 806 are snap-fitted with the shelf, which makes it easy to fix the shell 1 on the shelf and ensure the stability of the device on the shelf. When the device is in use, data processing and control are performed through the circuit board 3, and the price of the goods is displayed to customers through the display screen 7. Power is provided by the battery assembly 4 to ensure the normal operation of the device.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An electronic price tag device based on the Internet of Things, including: A shell (1), characterized in that a connection port (101) is provided on one side of the shell (1), gaskets (2) are fixedly connected to the four corners of the inner bottom wall of the shell (1), a circuit board (3) is provided above the four gaskets (2) and located inside the shell (1), a battery assembly (4) is installed on one side of the circuit board (3), connection holes (5) are provided at the four corners above the shell (1), a cover body (6) is fixedly connected to the top of the shell (1), a display screen (7) is fixedly connected to one side of the cover body (6) located inside the shell (1), and a limiting device (8) is fixedly connected to the bottom of the shell (1); The limiting device (8) comprises a support column (801) fixedly connected to the bottom of the shell (1); a connecting plate (802) is fixedly connected to the bottom of the support column (801); movable cavities (803) are arranged on both sides of the connecting plate (802); a slide plate (804) is slidably connected inside the movable cavity (803); one end of the slide plate (804) located inside the movable cavity (803) is fixedly connected to a spring (805); and a limiting column (806) is fixedly connected below one end of the slide plate (804) away from the spring (805).

2. The electronic price tag device based on the Internet of Things according to claim 1 is characterized in that: The limiting column (806) is L-shaped, and an anti-slip pad is provided on the inner wall of the limiting column (806).

3. The electronic price tag device based on the Internet of Things according to claim 1, characterized in that: One end of the spring (805) away from the slide plate (804) is fixedly connected to the inner wall of the active cavity (803).

4. The electronic price tag device based on the Internet of Things according to claim 1, characterized in that: The connection port (101) is adapted to the outer side wall of the battery assembly (4), and a sealing gasket is provided at the connection between the connection port (101) and the battery assembly (4).

5. The electronic price label device based on the Internet of Things according to claim 1, characterized in that: Four limiting bolts (601) are threadedly connected at the four corners of the upper end of the cover body (6). The four limiting bolts (601) all pass through the cover body (6) and are threadedly connected to the four connecting holes (5). In addition, the cover body (6) is a transparent glass cover.

6. The electronic price tag device based on the Internet of Things according to claim 1, characterized in that: The display screen (7) and the battery assembly (4) are both electrically connected to the circuit board (3).

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