CN210467272U

CN210467272U - Electronic display screen of goods shelf

Info

Publication number: CN210467272U
Application number: CN201921849058.8U
Authority: CN
Inventors: 邹胜平; 邹道祥; 朱桑美
Original assignee: Shenzhen Jinglingda Technology Co Ltd
Current assignee: Shenzhen Jinglingda Technology Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-05
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a goods shelf electronic display screen, which comprises a control module, a display screen and a power supply module; the control module is internally integrated with a GPU (graphics processing unit), the control module drives a display screen to output images, and the power supply module is used for supplying power to the electronic display screen; the display screen can play pictures, videos and audio files, and can replace the played files at any time through a CF card or a U disk; the display screen reserves a UART interface for communication with a computer and the like, and is provided with an upgrading mode, so that a control program of the display screen can be continuously improved; in order to achieve the energy-saving effect, the display screen can set the starting-up and shutdown time through the power on-off circuit, and can also start the standby mode and close part of circuits through the power control circuit when being idle; the display screen is mainly applied to high-end goods shelves, is used for replacing traditional card type commodity labels, and can also be used for playing advertising videos and pictures to replace propaganda objects such as pictures and newspapers.

Description

Electronic display screen of goods shelf

Technical Field

The utility model relates to a goods shelves field, concretely relates to goods shelves electronic display screen.

Background

The shelf belongs to the essential basic equipment of the retail store, and in order to mark information such as the name, specification and price of goods, the retail store usually uses various types of card type labels as record carriers of the information, and fixes the labels at the obvious positions. The material of these labels is usually made of cardboard, plastic or metal, and the labels need to be replaced when changing goods. In addition, the labels are easily soiled during use and require periodic inspection and replacement in order to maintain storefront image.

For some well-known brands, it is common to place a pictorial or electronic screen in the storefront for promotional purposes, primarily for active and new products. However, these publicity materials generally occupy valuable floor space or counter space, and too much publicity materials are difficult to popularize and bring customers a sense of disorder.

In order to improve the popularization effect, an electronic display screen which is specially used for a goods shelf, is convenient to operate and integrates the functions of propaganda materials and card type labels is expected to be designed, the electronic display screen can be managed through an APP or an external computer, playing files can be replaced at any time, and a high-quality image effect can be output.

Disclosure of Invention

In view of the above, the utility model provides a goods shelves electronic display screen, its form that adopts the electronic screen replaces traditional card formula label, can play the video and the audio file of record commodity information.

A goods shelf electronic display screen comprises a control module, a display screen and a power module, wherein a GPU is integrated in the control module, the control module drives the display screen to output images, and the power module is used for supplying power for the electronic display screen.

Preferably, the timing switch circuit further comprises a timing switch circuit with a clock chip, the clock chip and the control module synchronize clocks through I2C communication, and when the clock chip runs to the wake-up time, the clock chip sends a wake-up signal to the control module.

Preferably, the timing switch circuit comprises two power supply inputs, one power supply input is switched from the power module, the other power supply input is from the button battery, and when the power module stops supplying power, the external button battery continues to supply power to the circuit and keeps working all the time.

Preferably, the device further comprises an audio power amplifier circuit, wherein the audio power amplifier circuit is used for receiving and amplifying the audio signal sent by the control module and driving the loudspeaker to work.

Preferably, the audio power amplifier circuit comprises a left sound channel power amplifier circuit and a right sound channel power amplifier circuit, and the left sound channel power amplifier circuit and the right sound channel power amplifier circuit are respectively driven by a low-voltage power supply high-efficiency digital power amplifier chip.

Preferably, the device further comprises a serial port conversion circuit, the serial port conversion circuit comprises a 0 ohm resistor for skipping and selecting UART or RS232 output, and the 0 ohm resistor is connected with the UART conversion chip in parallel.

Preferably, the power supply control circuit is respectively electrically connected with the control module and the power supply module, and when the power supply control circuit receives a standby signal sent by the control module, the power supply control circuit outputs a voltage signal for stopping part of circuits from supplying power to the power supply module;

the power control circuit is mainly used for saving energy, can be matched with sensors for use, for example, a light-sensing or infrared-sensing sensor and a circuit are added in a product, a screen can be in standby state or sound output can be stopped when no person is near the product, and the specific design can be designed according to specific environment and requirements.

Preferably, the system further comprises an upgrade switch circuit, when the upgrade switch is pressed, the upgrade switch circuit transmits a signal to the control module, and the control module guides the system to enter an upgrade mode.

Preferably, the storage system further comprises a TF card seat and a USB interface, wherein the TF card seat and the USB interface are used for being externally connected with storage equipment for storing and playing resources, and a user can transmit a playing file to the shelf electronic display screen through media such as the TF card and the U disk.

Preferably, still include wireless transmission module, wireless transmission module is for having the composite module of WIFI function and bluetooth function, adopts this kind of design mainly because small, circuit design is simple.

The utility model has the advantages that: a goods shelf electronic display screen comprises a control module, a display screen and a power supply module, wherein a GPU is integrated in the control module, the control module drives the display screen to output images, and the power supply module is used for supplying power to the electronic display screen; the display screen can play pictures, videos and audio files, and can replace the played files at any time through a CF card or a U disk; the display screen reserves a UART interface for communication with a computer and the like, and is provided with an upgrading mode, so that a control program of the display screen can be continuously improved; in order to achieve the energy-saving effect, the display screen can set the starting-up and shutdown time through the switching-on and shutdown circuit, and can also start the standby mode and close part of circuits through the power supply control circuit when being idle.

Drawings

The following describes the electronic display screen of the storage rack of the present invention with reference to the accompanying drawings.

Fig. 1 is a system diagram of a shelf electronic display screen of the present invention.

Fig. 2 is a schematic diagram of a timing on/off circuit of a shelf electronic display screen.

Fig. 3 is a schematic diagram of the audio power amplifier circuit of the electronic display screen of the shelf of the present invention.

Fig. 4 is a schematic diagram of a serial port conversion circuit of a shelf electronic display screen.

Fig. 5 is a schematic diagram of a power control circuit of the shelf electronic display screen of the present invention.

Fig. 6 is a schematic diagram of an upgrade switch circuit of the shelf electronic display screen of the present invention.

In the figure:

the wireless audio power amplifier comprises a control module 1, a display screen 2, a power supply module 3, a timing switch circuit 4, a clock chip 41, an audio power amplifier circuit 5, a digital power amplifier chip 51, a serial port conversion circuit 6, a power supply control circuit 7, an upgrading switch circuit 8, a 91-TF card holder, a 92-USB interface and a 93-wireless transmission module.

Detailed Description

The present invention is further described with reference to fig. 1-6.

A goods shelf electronic display screen comprises a control module 1, a display screen 2 and a power module 3, wherein a GPU is integrated in the control module 1, the control module 1 drives the display screen 2 to output images, and the power module 3 is used for supplying power to the electronic display screen;

in the embodiment, a rapi-core micro PX30 is used as a control core of the control module 1, and a CPU with a quad-core Cortex-A35 and a GPU with a Mali-G31 are integrated, so that the audio and video files and the image files can be coded and decoded, and the LED display screen is driven to work.

In this embodiment, the timing switch device further includes a timing switch device circuit 4 having a clock chip 41, the clock chip 41 and the control module 1 communicate with each other via an I2C to synchronize clocks, and when the clock chip 41 runs to the wake-up time, the clock chip 41 sends a wake-up signal to the control module 1;

as shown in fig. 2, the shelf electronic display screen can be turned on or turned off at a certain time through the APP, and when the system time runs to the time set by the APP to be turned off, the system is turned off by itself. When the clock chip HYM8563 runs to the boot time set by the APP, the third pin of the clock chip HYM8563 outputs a signal to PX30 to wake up the host.

In this embodiment, the timing on-off circuit 4 includes two power supply inputs, one power supply VCC5V0_ SYS is converted from the power module 3, the other power supply RTC3.0V comes from the button cell, and when the VCC5V0_ SYS end stops supplying power, the external button cell continues to supply power to the circuit and keeps working all the time.

As shown in fig. 3, the embodiment further includes an audio power amplifier circuit 5, where the audio power amplifier circuit 5 is configured to receive and amplify the audio signal sent by the control module 1 and drive the speaker to work.

In this embodiment, the audio power amplifier circuit 5 includes a left channel power amplifier circuit and a right channel power amplifier circuit, and the left channel power amplifier circuit and the right channel power amplifier circuit are respectively driven by a high-efficiency digital power amplifier chip 51 powered by low voltage.

In the embodiment, the serial port conversion circuit 6 is further included, the serial port conversion circuit 6 includes a 0 ohm resistor for skipping and selecting UART or RS232 output, and the 0 ohm resistor is connected with the UART conversion chip in parallel;

as shown in the serial port conversion circuit in fig. 4, a UART (TTL level) serial port of the main control chip may be converted into an RS232 serial port through U4 for communication, which facilitates communication with a device of the RS232 serial port; the 0 ohm resistor in the circuit selects UART or RS232 output, and when the device to be connected is UART (TTL level), the U4 can be removed and the 0 ohm resistor can be added to realize the purpose.

In this embodiment, the power supply control circuit 7, such as the switch circuit shown in fig. 5, is further included, the power supply control circuit 7 is electrically connected to the control module 1 and the power supply module 3, respectively, and when the power supply control circuit 7 receives a standby signal sent by the control module 1, the power supply control circuit 7 outputs a voltage signal for stopping power supply of a part of circuits to the power supply module 3;

In the embodiment, the system further comprises an upgrade switch circuit 8, when the upgrade switch is pressed, the upgrade switch circuit 8 transmits a signal to the control module 1, and the control module 1 guides the system to enter an upgrade mode;

as shown IN fig. 6, the circuit enters the upgrade mode by using a key, when the key is pressed and then powered on, the identification voltage of the pin of the main control ADC _ IN2 is 0V, and then the system automatically enters the upgrade mode for upgrading.

In this embodiment, the electronic shelf further includes a TF card socket 91 and a USB interface 92, where the TF card socket 91 and the USB interface 92 are used for externally connecting a storage device for storing and playing resources, and a user may transmit a playing file to the electronic shelf display screen through media such as a TF card and a USB disk.

In this embodiment, the wireless communication device further includes a wireless transmission module 93, and the wireless transmission module 93 is a combined module having a WIFI function and a bluetooth function; the embodiment adopts an AP6212 chip of AMPAK company, which integrates WIFI and Bluetooth functions, and the design is mainly because of small volume and simple circuit design.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a goods shelves electronic display screen, its characterized in that includes control module (1), display screen (2), power module (3), integrated GPU in control module (1), control module (1) drive display screen (2) output image, power module (3) are used for supplying power for electronic display screen.

2. The shelf electronic display screen according to claim 1, further comprising a timing switch circuit (4) having a clock chip (41), the clock chip (41) communicating with the control module (1) via I2C to synchronize clocks;

when the clock chip (41) runs to the wake-up time, the clock chip (41) sends a wake-up signal to the control module (1).

3. The shelf electronic display screen of claim 2, wherein the timing switch circuit (4) comprises two power supply inputs, one power supply being switched from the power module (3) and the other power supply being from the battery.

4. The shelf electronic display screen according to claim 1, further comprising an audio power amplifier circuit (5), wherein the audio power amplifier circuit (5) is configured to receive and amplify the audio signal sent by the control module (1) and drive a speaker to operate.

5. The shelf electronic display screen according to claim 4, wherein the audio power amplifier circuit (5) comprises a left channel power amplifier circuit and a right channel power amplifier circuit, and the left channel power amplifier circuit and the right channel power amplifier circuit are respectively driven by a digital power amplifier chip (51).

6. The shelf electronic display screen of claim 1, further comprising a serial port conversion circuit (6), wherein the serial port conversion circuit (6) comprises a 0 ohm resistor for skipping and selecting UART or RS232 output, and the 0 ohm resistor is connected in parallel with the UART conversion chip.

7. The shelf electronic display screen according to claim 1, further comprising a power control circuit (7), wherein the power control circuit (7) is electrically connected to the control module (1) and the power module (3), respectively, and when the power control circuit (7) receives a standby signal sent by the control module (1), the power control circuit (7) outputs a voltage signal for stopping part of the circuits from supplying power to the power module (3).

8. The shelf electronic display of claim 1 further comprising an upgrade switch circuit (8), the upgrade switch circuit (8) transmitting a signal to the control module (1) when an upgrade switch is pressed, the control module (1) directing the system to enter an upgrade mode.

9. The shelf electronic display screen of claim 1, further comprising a TF socket (91) and a USB interface (92), wherein the TF socket (91) and the USB interface (92) are used for externally connecting a storage device for storing and playing resources.

10. The shelf electronic display screen of claim 1, further comprising a wireless transmission module (93), wherein the wireless transmission module (93) is a combined module with a WIFI function and a bluetooth function.