CN214846918U

CN214846918U - Unmanned gravity induction sales counter system based on 4G network

Info

Publication number: CN214846918U
Application number: CN202121190563.3U
Authority: CN
Inventors: 杨凯然; 刘天雄; 马忠亮
Original assignee: Guangzhou Leyaoyao Information Technology Co ltd
Current assignee: Guangdong Xingyun Kaiwu Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-23
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses an unmanned gravity induction sales counter system based on 4G network, include: the vending cabinet comprises a vending cabinet main body, a main control panel, a weighing control assembly and an external assembly; the main control board comprises a communication module, a camera circuit, an HDM I circuit, an LVDS circuit, an audio amplification circuit, a display screen circuit, a 232-1 serial port, a 232-2 serial port and a TTL serial port; the weighing control assembly comprises a weighing control panel and a weighing sensor; the peripheral components comprise an electric mortise lock, an AC adapter, a card reader, an electronic price tag, a loudspeaker, a camera and a display screen. The utility model designs a high precision electronic scale by adding the acquisition circuit HX711 module, and can finish the goods identification and settlement sale only by simply using gravity induction; meanwhile, an electronic price tag and a card reader are added to supplement the functions of shopping and swiping cards, so that the operation of customers is facilitated, and the commodity selling rate is improved.

Description

Unmanned gravity induction sales counter system based on 4G network

Technical Field

The utility model belongs to self-service sales equipment field especially relates to an unmanned gravity induction sales counter system based on 4G network.

Background

The automatic sales counter is generally arranged in places with dense people streams, such as offices, theaters, stations, entertainment places, tourist attractions and the like without shops, has the characteristics of simple and rapid purchase, 24-hour all-weather business, arrangement in any place where consumers may have demands in the minimum space and the like, is commercial and automatic common equipment, is not limited by time and places, and can save manpower and facilitate transactions. The transaction pricing method mainly comprises two types, namely: and identifying according to the image and pricing according to the type of goods. And the second method comprises the following steps: and identifying according to gravity sensing and pricing according to the weight of the goods. After selecting goods, the vending machine program can initiate a payment application two-dimensional code to the background server, including WeChat, Paibao or other electronic payment, the two-dimensional code direct display is on the vending machine display screen, and after the customer scanned the code, the background server can inquire whether the payment account received money, if received, the background server can send the instruction of shipment to the vending machine, and the vending machine shipment is according to the instruction.

But current gravity-feed tank has the gravity-feed tank and responds to the inaccuracy, it can not pinpoint the discernment of product and which kind of product to draw the product, consequently can not only rely on gravity-feed tank to accomplish the discernment and the settlement of goods, often detain wrong customer's money, many gravity-feed tank still need assist with image recognition on the market, just can accomplish the discernment of goods, and the price of commodity is sold in the show that can not be fine, and do not have fine consideration to pupil's student and the painful point of middle aged and old people's shopping, can not punch the card and shop and carry out voice broadcast.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides an unmanned gravity sensing sales counter system based on 4G network, an acquisition circuit HX711 module is added to design a high-precision electronic scale, and the goods identification and settlement selling can be completed only by simply using gravity sensing; meanwhile, the electronic price tag is added to display the price of the sold commodity in real time, and the card reader is additionally arranged to supplement the function of purchasing and swiping a card.

In order to achieve the above object, the utility model discloses an embodiment's unmanned gravity-feed tank system based on 4G network includes: the vending cabinet comprises a vending cabinet main body, a main control panel, a weighing control assembly and an external assembly; the main control board is provided with a communication module, a camera circuit, an HDM I circuit, an LVDS circuit, an audio amplification circuit, a display screen circuit, a 232-1 serial port, a 232-2 serial port and a TTL serial port; the weighing control assembly comprises a weighing control panel and a weighing sensor; the weighing control panel comprises a single chip microcomputer, an acquisition circuit HX711 module, a DC _ DC module, an electric mortise lock control circuit, at least 3 groups of relay circuits, a 232-1 serial port circuit, a 485-1 serial port circuit and a 485-2 serial port circuit; the peripheral components comprise an electric mortise lock, an AC adapter, a card reader, an electronic price tag, a loudspeaker, a camera and a display screen.

The 3 groups of relay circuits are reserved for controlling electric equipment; the serial port 485-1 is reserved for a card reader, and the 485-2 serial port circuit is reserved for being connected with the first end of the electronic price tag; the electric mortise lock is connected to an electric mortise lock control circuit on the weighing control panel through an electric mortise lock interface, and the electric mortise lock control circuit is connected with the single chip microcomputer to control the opening and closing of the vending cabinet door; the first end of the AC adapter is connected with an external power supply through an AC line, the second end of the AC adapter is connected with the DC _ DC module, and the DC _ DC module is used for converting fixed direct-current voltage into multi-path direct-current voltage and supplying power to various elements of the sales counter with different voltage requirements; the weighing sensor is connected with a first end of the acquisition circuit HX711 module through an electronic scale interface, and a second end of the acquisition circuit HX711 module is connected with the single chip microcomputer; the LVDS circuit and the HDMI circuit are used for connecting interfaces of different systems with the display screen; the main control panel is connected with the server through the communication module, is connected with the card reader through the TTL serial port and is used for card swiping and shopping operation, is connected with the second end of the electronic price tag through a 232-2 serial port and is used for price display of commodities, is connected with the camera through a USB interface circuit and is used for recording videos when a user purchases the price tag and binding the videos with an order, and takes pictures and records the operation process of the user; the main control board is connected with a loudspeaker through an audio amplification circuit and used for voice broadcasting.

Further, the communication module is a 4G networking circuit module.

Further, the display screen is a touch display screen.

Further, the USB interface is a USB2.0 interface.

Further, the main control board is an android main board.

Further, the electronic price tag is multiple.

Furthermore, the electronic price tags correspond to corresponding commodity channels, and prices of the commodities are displayed in real time.

The utility model has the advantages that:

1. the utility model discloses increase acquisition circuit HX711 module and designed the weighing control module of high accuracy, only need to use gravity-feed tank to accomplish goods discernment and settle accounts and sell by simple, promoted the product property of gravity-feed tank in essence;

2. the utility model adds the electronic price tag, which can display the price of the sold commodity in real time, thereby facilitating the shopping of the customer;

3. the utility model discloses having add the card reader and having supplemented the sales counter function of punching the card of shopping, having solved the pain point that pupil and middle aged and old people do not have the cell-phone shopping, made things convenient for the operation of client, improved the commodity rate of sale.

Drawings

FIG. 1 is a schematic structural diagram of a sales counter body in an embodiment of an unmanned gravity sensing sales counter system based on a 4G network according to the present invention;

fig. 2 is a functional block diagram of a system according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a weighing control plate structure according to an embodiment of the present invention.

In the figure:

1-sales counter body; 2- -display screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the following description is further provided with reference to the accompanying fig. 1-2 and examples.

The current gravity-sensing automatic sales counter has the gravity-sensing inaccuracy, extracts the product and can not fix a position accurately and identify which kind of product, often detains wrong customer's money to the price of commodity is sold in the show that can not be fine, and does not have fine consideration of primary school student and the painful point of middle aged and old people's shopping, and the shopping of punching the card, voice broadcast. Consequently can not only rely on gravity-feed tank to respond to the discernment and the settlement of accomplishing the goods, many gravity-feed tank on the market still need assist with image recognition, just can accomplish the discernment of goods, increase the electron price and sign and the shopping function of punching the card simultaneously, and this product only needs to use gravity-feed tank to respond to just can accomplish goods discernment and settlement and sell.

As shown in fig. 1 and 2, the utility model discloses an embodiment's an unmanned gravity-feed tank system based on 4G network includes: the vending cabinet comprises a vending cabinet main body 1, a main control panel, a weighing control assembly and an external assembly.

The main control board is provided with a communication module, a camera circuit, an HDMI circuit, an LVDS circuit, an audio amplification circuit, a display screen circuit, a 232-1 serial port, a 232-2 serial port and a TTL serial port.

The weighing control assembly comprises a weighing control panel and a weighing sensor; as shown in fig. 3, the weighing control board comprises a single chip microcomputer, an acquisition circuit HX711 module, a DC _ DC module, an electric mortise lock control circuit, at least 3 sets of relay circuits, a 232-1 serial port circuit, a 485-1 serial port circuit and a 485-2 serial port circuit; the weighing sensor is connected with a first end of the acquisition circuit HX711 module through an electronic scale interface, and a second end of the acquisition circuit HX711 module is connected with the single chip microcomputer; the acquisition circuit HX711 module is used for data acquisition and amplification processing, is a 24-bit A/D converter chip module, integrates peripheral circuits required by a voltage-stabilized power supply, an on-chip clock oscillator and the like, and has the advantages of high integration level, high response speed, strong anti-interference performance and the like. The cost of the whole gravity sensing sales counter is reduced, and the performance and the reliability of the whole gravity sensing sales counter are improved. All control signals of the module are driven by pins, and an internal register is not required to be programmed. The input selection switch can arbitrarily select the channel A or the channel B and is connected with the low-noise programmable amplifier inside the input selection switch. The programmable gain of channel a is 128 or 64, and the corresponding full scale differential input signal amplitude is ± 20mV or ± 40mV, respectively. Channel B is then a fixed 32 gain for system parameter detection. The stabilized voltage power supply provided in the chip can directly provide power for the external sensor and the A/D converter in the chip, and no additional analog power supply is needed on a system board. The on-chip clock oscillator does not require any external devices. The power-on automatic reset function simplifies the initialization process of starting.

And a 232-1 serial port circuit of the weighing control board is connected with a 232-1 serial port on the android board and is used for communication between the android board (upper computer) and the weighing control board (lower computer).

The peripheral components comprise an electric mortise lock, an AC adapter, a card reader, an electronic price tag, a loudspeaker, a camera and a display screen 2; the display screen 2 is a touch display screen.

3 groups of relay circuits are reserved for controlling the electric equipment; the serial port 485-1 is reserved for a card reader, the card reader is used for pupils or the old to open the door for shopping by swiping a card, the 485-2 serial port circuit is reserved for being connected with first ends of a plurality of electronic price tags, and the electronic price tags are used for displaying prices of sold commodities in real time and correspond to a plurality of corresponding commodity channels.

The electric mortise lock is connected to an electric mortise lock control circuit on the weighing control panel through an electric mortise lock interface, and the electric mortise lock control circuit is connected with the single chip microcomputer to control the door opening and closing; the first end of the AC adapter is connected with an external power supply through an AC line, the second end of the AC adapter is connected with the DC _ DC module, and the DC _ DC module converts the fixed DC voltage into multi-path DC voltage, so that power is supplied to all parts of the sales counter with different voltage requirements.

The LVDS circuit and the HDMI circuit are used for connecting interfaces of different systems to the display screen 2.

The main control panel is connected with the server through the 4G networking circuit module, and the main control panel is an android main board. The electronic price tag is connected with a card reader through a TTL serial port for card swiping shopping operation, connected with a second end of the electronic price tag through a 232-2 serial port for commodity price display, connected with a camera through a USB interface circuit for video recording when a user buys and binding with an order, and used for photographing and recording the operation process of the user, wherein the camera is installed at the upper right corner of a sales counter body; the USB interface is USB 2.0; still be connected with audio amplifier on the tall and erect mainboard of ann, carry out voice broadcast through audio amplifier circuit connection loudspeaker.

The electronic scale core interface 1-10 is 5P-2.5 distance, the interface order is NC/signal +/signal-N-/N +; the relay control input is TK1/TK3/TK 5; the output is TK2/TK4/TK 6; the 485 communication interface is 4P-2.5 space, and the interface sequence is 485-/485+/GND/VCC from left to right; 485-2 connecting with an electronic tag; 485-1 temporarily invalid; the 232 communication interface has a distance of 4P-2.0, and the interface sequence is +5V/TX/RX/GND from left to right; the current interface DC12V is 4P-3.96 interval, and the interface sequence is VCC/VCC/GND/GND from left to right; the electric plug-in lock interface has a distance of 5P-2.0, and the interface sequence is V +/CRL/GND/feedback 2/feedback 1 from left to right; the speaker interface order is +/-from top to bottom.

The utility model is provided with an AC adapter, which is connected with an external power supply through the AC adapter, and is provided with a DC _ DC module, fixed direct current voltage is converted into multi-path direct current voltage through the DC _ DC module, thereby supplying power to the unmanned gravity sensing sales counter, the weight of goods is detected through a weighing sensor, the detected weight information of the goods is transmitted to a singlechip through an acquisition circuit HX711 module on a control panel, the singlechip calculates the price of the goods through the weight comparison analysis of front and back goods counters, and transmits the information to an android board through a 232 serial port for processing, the android board is connected with a server through a 4G networking circuit module for data processing, a user can check and operate the information through a display screen 2, a camera circuit is arranged, the operation process of the user is photographed and recorded, a door lock is controlled through the singlechip, the purchase settlement of the goods can be completed only through the weighing sensor, and is provided with a voice broadcast function.

When in specific use: the user opens the WeChat, scans the two-dimensional code on the code display screen 2, opens the WeChat and exempts from secret payment, gets into the backstage, selects the cabinet door that needs to open, and corresponding electric mortiser lock circuit control electric mortiser lock opens corresponding cabinet door, selects required commodity, and wherein the price of commodity can show on the electron price tag, all can show corresponding price on cell-phone and the display screen 2, takes away commodity, closes the door, produces the order automatically, accomplishes commodity and buys.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall belong to the scope of the present invention.

Claims

1. The utility model provides an unmanned gravity induction sales counter system based on 4G network which characterized in that, it includes: the vending cabinet comprises a vending cabinet main body, a main control panel, a weighing control assembly and an external assembly;

the main control board is provided with a communication module, a camera circuit, an HDMI circuit, an LVDS circuit, an audio amplification circuit, a display screen circuit, a 232-1 serial port, a 232-2 serial port and a TTL serial port;

the weighing control assembly comprises a weighing control panel and a weighing sensor; the weighing control panel comprises a single chip microcomputer, an acquisition circuit HX711 module, a DC _ DC module, an electric mortise lock control circuit, at least 3 groups of relay circuits, a 232-1 serial port circuit, a 485-1 serial port circuit and a 485-2 serial port circuit;

the peripheral component comprises an electric mortise lock, an AC adapter, a card reader, an electronic price tag, a loudspeaker, a camera and a display screen;

2. The unmanned gravity sensing sales counter system based on 4G network of claim 1, wherein the communication module is a 4G networking circuit module.

3. The unmanned gravity sensing sales counter system based on 4G network of claim 1, wherein the display screen is a touch display screen.

4. The unmanned gravity sensing sales counter system based on 4G network of claim 1, wherein the USB interface is a USB2.0 interface.

5. The unmanned gravity sensing sales counter system based on 4G network of claim 1, wherein the main control board is an android motherboard.

6. The unmanned gravity sensing sales counter system based on 4G network of claim 1, wherein the electronic price tag is plural.

7. The unmanned gravity induction sales counter system based on 4G network of claim 1, wherein the electronic price tags are used for corresponding to corresponding commodity channels and displaying prices of the commodities in real time.