CN115482621A

CN115482621A - Unmanned gravity induction sales counter system based on 4G network

Info

Publication number: CN115482621A
Application number: CN202110599576.4A
Authority: CN
Inventors: 杨凯然; 刘天雄; 马忠亮
Original assignee: Guangzhou Leyaoyao Information Technology Co ltd
Current assignee: Guangzhou Leyaoyao Information Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-12-16

Abstract

The invention discloses an unmanned gravity sensing vending cabinet system based on a 4G network, which comprises: the vending cabinet comprises a vending cabinet main body, a main control panel, a weighing control assembly and peripheral assemblies; 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, a relay circuit, a 232-1 serial port circuit, a 485-1 serial port circuit and a 485-2 serial port circuit; the peripheral components include an electric mortise lock, an AC adapter, a card reader, an electronic price tag, a speaker, a camera and a display screen. According to the invention, the acquisition circuit HX711 module is added, and the goods can be identified, settled and sold only by simply using gravity sensing; 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 invention belongs to the field of self-service sales equipment, and particularly relates to an unmanned gravity sensing sales counter system based on a 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 possibly have demands with minimum space and the like, is commercial automatic common equipment, is not limited by time and places, and can save manpower and facilitate transactions. The transaction pricing method is mainly divided into two types, namely, the first type: 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.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides an unmanned gravity sensing vending cabinet system based on a 4G network, a high-precision electronic scale is designed by adding an acquisition circuit HX711 module, and the goods can be identified and settled for vending 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, an unmanned gravity sensing sales counter system based on a 4G network according to an embodiment of the present invention 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 converts fixed DC voltage into multi-path DC voltage to supply 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 HDM I circuit are used for connecting interfaces of different systems with the display screen; the main control board is connected with a server through the communication module, is connected with the card reader through the TTL serial port and is used for card swiping 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 buys the commodities and binding the videos with an order, and photographs and records the operation process of the user; connect loudspeaker through audio amplifier circuit and carry out voice broadcast.

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 invention has the beneficial effects that:

1. according to the invention, the acquisition circuit HX711 module is additionally arranged, a high-precision weighing control module is designed, the goods can be identified, settled and sold only by using gravity sensing, and the product performance of the gravity sensing sales counter is substantially improved;

2. the electronic price tag is added, so that the price of the sold commodity can be displayed in real time, and the shopping by customers is facilitated;

3. the invention adds the card reader to supplement the shopping and card swiping function of the sales counter, solves the problem that students in primary schools and middle-aged and old people do not have mobile phone shopping pain, facilitates the operation of customers and improves the commodity sales rate.

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 of 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 existing gravity sensing automatic vending cabinet has the defects that the gravity sensing is not accurate, the product cannot be accurately positioned and identified, the wrong client money is frequently deducted, the price of the commodity cannot be well displayed and sold, the shopping pain points of primary school students and middle-aged and old people cannot be well considered, the card swiping shopping and the voice broadcasting are realized. 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, an unmanned gravity sensing vending cabinet system based on a 4G network according to an embodiment of the present invention includes: the vending cabinet comprises a vending cabinet main body 1, a main control panel, a weighing control assembly and peripheral assemblies.

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, 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 vending cabinet is reduced, and the performance and the reliability of the whole gravity sensing vending cabinet 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 other analog power supply is needed on a system board. The clock oscillator within the chip 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 panel is connected with a 232-1 serial port on the android board and is used for communicating the android board (upper computer) with the weighing control panel (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 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 main body; the USB interface is USB2.0; 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/TK5; the output is TK2/TK4/TK6; 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 invention is provided with an AC adapter, the AC adapter is connected with an external power supply through the AC adapter, a DC _ DC module is arranged, fixed direct current voltage is converted into multi-path direct current voltage through the DC _ DC module, power is supplied to an unmanned gravity sensing sales counter, the weight of goods is detected through a weighing sensor, detected weight information of the goods is transmitted to a single chip microcomputer through an acquisition circuit HX711 module on a control panel, the single chip microcomputer compares the weight of the front and rear goods and calculates the price of the goods, the information is transmitted 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 single chip microcomputer, the purchase settlement of the goods can be completed only through the weighing sensor is realized, and a voice broadcasting function is also arranged.

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 only preferred embodiments of the present invention, and do not limit the scope of the present invention, but all the changes made by the principles of the present invention and the non-inventive efforts based on the principles should fall into 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;

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 converts fixed DC voltage into multi-path DC voltage to supply 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 board is connected with a server through the communication module, is connected with the card reader through the TTL serial port and is used for card swiping 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 buys the commodities and binding the videos with an order, and photographs and records the operation process of the user; connect loudspeaker through audio amplifier circuit and carry out voice broadcast.

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 multiple.

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