CN110474422B - Intelligent sales counter control circuit integrating 4G router and outage switching equipment - Google Patents

Intelligent sales counter control circuit integrating 4G router and outage switching equipment Download PDF

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Publication number
CN110474422B
CN110474422B CN201910772666.1A CN201910772666A CN110474422B CN 110474422 B CN110474422 B CN 110474422B CN 201910772666 A CN201910772666 A CN 201910772666A CN 110474422 B CN110474422 B CN 110474422B
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China
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circuit
power
mdi
vcc
router
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CN110474422A (en
Inventor
刘维
金玉辉
吕盛
张虎
刘邦
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Wuhan Wheat Convenience Technology Co ltd
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Wuhan Makedaojia Technology Co ltd
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F11/00Coin-freed apparatus for dispensing, or the like, discrete articles
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F11/00Coin-freed apparatus for dispensing, or the like, discrete articles
    • G07F11/72Auxiliary equipment, e.g. for lighting cigars, opening bottles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/60Router architectures
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to the technical field of unmanned vending, in particular to an intelligent vending cabinet control circuit integrating a 4G router and a power-off switching device; the intelligent sales counter is powered by a battery and comprises a power-off switching circuit and a 4G module circuit, wherein an input power supply of the control circuit supplies power to a lock and an external camera through a public end of a relay through the power-off switching circuit, one path of the power supply is connected with a main control board to supply power after the power is reduced by a voltage reducing circuit, and the other path of the power supply is reduced by the voltage reducing circuit to supply power to the 4G router circuit; the input power supply charges the battery through the booster circuit and the charging circuit; the invention solves the problem of transaction failure caused by sudden power-off data loss by switching the standby battery circuit when power is off. The 4G router is integrated, the production efficiency is improved, the autonomous definition of a communication protocol is realized, 3 devices can be simultaneously supported to surf the Internet besides the control circuit, and the method has strong creativity.

Description

Intelligent sales counter control circuit integrating 4G router and outage switching equipment
Technical Field
The invention relates to the technical field of unmanned vending, in particular to an intelligent vending cabinet control circuit integrating a 4G router and a power-off switching device.
Background
Currently, unmanned intelligent vending control circuits are known, wherein data (such as locks, gravity, cameras and the like) of various sensors in the shopping process of customers are controlled and collected through the circuits and transmitted to a main control board, and then the main control board uploads the collected data to a server through a 4G network to identify purchased articles to complete transactions. The cost of the main control board of the general intelligent control circuit is highest, if the cost is reduced, the mode of adding an external 4G router to the main control board configuration can be reduced to replace the main control board configuration, and the general 4G router on the market can not support inquiry except Internet surfing, and the Internet of things card number and the signal strength. And the 4G router is separated, so that great inconvenience is provided for production, and the production cost is increased. Since the data collected by the master control is uploaded to the server at the end of the customer operation, the situation that the customer is powered off during shopping can occur, and the transaction is affected by data loss.
The present technology solves the above problems by integrating a 4G router circuit and a power-down switching backup battery power supply circuit.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses an intelligent sales counter control circuit integrating a 4G router and a power-off switching device, which is used for solving the problem of data loss caused by power-off of customers in the shopping process, wherein the integrated 4G router can realize reading of ICCID and signal strength of an Internet of things network card, can support direct networking check of external monitoring, reduces resource consumption of an upper-layer main board, solves the inconvenience on production, and indirectly reduces production cost.
The invention is realized by the following technical scheme:
an intelligent sales counter control circuit integrating a 4G router and a power-off switching device, wherein the intelligent sales counter is powered by a battery; the power supply is characterized by comprising a power-off switching circuit and a 4G module circuit, wherein an input power supply of the control circuit supplies power to the lock and the external camera through a public end of the relay through the power-off switching circuit, one path of the power supply is connected with the main control board to supply power after the power is reduced by the voltage reducing circuit, and the other path of the power supply is reduced by the voltage reducing circuit again to supply power to the 4G router circuit; the input power supply charges the battery through the booster circuit and the charging circuit.
Furthermore, when the power is off, the standby battery is switched to supply power, the power-off circuit is communicated with the GND to conduct the high-speed main control panel, the integrated 4G router circuit enters the control panel, information required by the ICCID of the network card of the Internet of things is obtained by writing protocol communication by the integrated 4G router circuit, and external monitoring Internet surfing control is supported.
Further, the normally open in the power-off switching circuit is connected with the input power source vcc_12v, and the normally closed of the power-off switching circuit is connected with the battery positive electrode vbat+.
Furthermore, IN the power-off switching circuit, the middle power supply input VCC_12V is connected with the normally open pin of the relay through the diode anti-reflection, the battery VBAT+ is connected with the normally closed pin of the relay, the electromagnetic coil of the relay is conducted when the 12V input power supply is connected, the normally open of the relay is conducted with the common end VCC_12IN to be powered by the 12V power supply, and when the 12V input power supply is powered off, the normally closed of the relay is conducted with the common end VCC_12IN to be powered by the battery VBAT+.
Furthermore, the vcc_12v is connected with the boost circuit, and then is output to the charging circuit after being boosted, the positive electrode of the battery is connected with the charging circuit to charge the battery, the input power vcc_12v is connected with the power-off detection circuit, and the VBT feedback of the power-off detection circuit is connected with the pin of the main control board 12.
Furthermore, the power supply of the control circuit is divided into three paths after passing through the common end of the power supply switching circuit, and one path is connected with the 12V output interface and the lock interface for external use; the other path is connected with the voltage-reducing circuit, and the last path is connected with the voltage-reducing circuit which is the same as the last path.
Furthermore, the step-down circuit VCC_5V is connected with the 2 pin and the 4 pin of the main control board for power supply and is connected with the power port of the gravity sensor for power supply; the step-down circuit VCC_5V0 is connected to a lower step-down circuit, and the lower step-down circuits 3.3V and 3.6V are connected with the 4G router core board and the 4G module.
Furthermore, the control LOCK comprises a control LOCK circuit, wherein control unlocking lock_OPEN1 and lock_OPEN2 of the control LOCK circuit are respectively connected with pins 16 and 19 of the main control board, and feedback signals lick1, door, lick2 and door2 are respectively connected with pins 5, 7, 21 and 23 of the main control board.
Further, the step-down circuit steps down vcc_5v0 to vcc_3v3 through the step-down circuit to power the 4G router core board through the magnetic bead and vcc_3v3_wi, and steps down to vcc_3v6 to power the 4G module.
Furthermore, the 36 pin of the 4G module circuit is connected with the 15 pin of the 4G router core board HUB_DM, the 38 pin of the 4G module circuit is connected with the 14 pin of the 4G router core board HUB_DP, and the 4G router 4-way network MDI_RX0+, MDI_RX0-, MDI_TX0+, MDI_TX0-; mdi_rx1+, mdi_rx1-, mdi_tx1+, mdi_tx1-; mdi_rx3+, mdi_rx3-, mdi_tx3+, mdi_tx3-; mdi_rx4+, mdi_rx4-, mdi_tx4+, mdi_tx 4-are connected to 4 paths RJ45 ports 3, 6, 1, 2 pins, respectively.
The beneficial effects of the invention are as follows:
the standby battery circuit is switched by power failure, so that the problem of transaction failure caused by sudden power failure data loss is solved. The 4G router is integrated, the production efficiency is improved, the autonomous definition of a communication protocol is realized, and 3 devices can be simultaneously supported to surf the Internet besides the control circuit.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a power down switching of the present invention;
FIG. 2 is a schematic diagram of a boost circuit of the present invention;
FIG. 3 is a schematic diagram of a battery charging circuit of the present invention;
FIG. 4 is a schematic diagram of the 12V to 5V step-down circuit of the present invention providing voltage to the main control board;
FIG. 5 is a schematic diagram of a 12V to 5V step-down circuit of the present invention providing voltage to a 4G module;
FIG. 6 is a schematic diagram of a 5V to 3.3V and 3.6V step-down circuit of the present invention;
FIG. 7 is a schematic diagram of the control lock circuit and interface of the present invention;
FIG. 8 is a schematic diagram of a power down detection circuit of the present invention;
FIG. 9 is a schematic diagram of the main control board pins of the present invention;
FIG. 10 is a schematic diagram of a 4G module circuit interface of the present invention;
fig. 11 is a schematic diagram of a 4G router core board circuit of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this embodiment, as shown in fig. 1, the 12V power input vcc_12v is connected to the normally open pin of the relay through the diode anti-reflection, and the battery vbat+ is connected to the normally closed pin of the relay. When the 12V input power supply is switched on, the electromagnetic coil of the relay is conducted, the normally open relay is conducted with the common terminal VCC_12IN and is powered by the 12V power supply, and when the 12V input power supply is powered off, the normally closed relay is conducted with the common terminal VCC_12IN and is powered by the battery VBAT+.
The voltage boosting circuit and the charging circuit shown in fig. 2 and 3 are characterized in that VCC_12V is connected with a 12V line in fig. 2 after passing through a diode and enters the voltage boosting circuit to boost the voltage to be slightly higher than 12.6V, and the VCC_126 is connected with VCC_126 in fig. 3 and is output to VBAT+ to charge a battery after passing through the charging circuit.
The vcc_5v after the step-down circuit shown in fig. 4 is connected to vcc_5v in fig. 9 to supply voltage to the main control board. The vcc_5v0 and vcc_5v0 in fig. 6 after the step-down circuit shown in fig. 5 steps down to vcc_3v3 through the step-down circuit, and the vcc_3v3_wi in fig. 11 supplies power to the 4G router core board through the magnetic beads, and the vcc_3v6 in fig. 10 steps down to vcc_3v6 to supply power to the 4G module.
The vcc_3.3vin in the control LOCK circuit and interface shown in fig. 7 and the vcc_3.3vin in fig. 9 receive their power supply, the lock_open1 and lock_open2 controlling unlocking are respectively connected with pins 16 and 19 of the main control board, and the feedback signals lick1, door, lick2, door2 are connected with pins 5, 7, 21 and 23 of the main control board.
The power-off detection circuit BAT shown in fig. 8 is connected to the 12 pins of the main control board in fig. 9, and is disconnected from GND when the normal operation is that the BAT is on with GND and the power is off.
CK1, DO1 of the master control board as in fig. 9; CK2, DO2; CK3, DO3; CK4, DO4; CK5 and DO5 are connected to the external 5 gravity sensors, respectively, and receive data from the external gravity sensors.
The 4G modules hub_dm and hub_dp in fig. 10 are connected with hub_dm and hub_dp in fig. 11, and provide networks to the 4G router through DM and DP, and the 4G modules are connected with the internet of things through usim_vdd, usim_dat, usim_clk, usim_rst and usim_det in the figures.
The 4G router core board circuit as in fig. 11 receives the network from hub_dm and hub_dp and then receives the network from 4-way network interfaces mdi_rx0+, mdi_rx0-, mdi_tx0+, mdi_tx0-; mdi_rx1+, mdi_rx1-, mdi_tx1+, mdi_tx1-; mdi_rx3+, mdi_rx3-, mdi_tx3+, mdi_tx3-; mdi_rx4+, mdi_rx4-, mdi_tx4+, mdi_tx4-, are connected to the 4-way RJ45 ports 3, 6, 1, 2 pins, respectively, to enable external camera connections to be on-line and the main control board to collect camera image data. Meanwhile, more information such as ICCID, signal strength and the like of the internet of things card can be transmitted to the main control panel through the internet access.
After the client scans and applies for shopping, the server informs the main control panel to unlock, the main control panel unlocks through the lock control circuit, the data collected by the external camera and the gravity sensor are collected through the 4G router and the gravity interface in the process of shopping when the client opens the door and transmitted to the server, and after the client closes the door, the server is informed to close the door through the change of the lock state, the money of the goods purchased by the client is deducted, and the transaction is completed.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (2)

1. An intelligent sales counter control circuit integrating a 4G router and a power-off switching device, wherein the intelligent sales counter is powered by a battery; the control circuit is characterized by comprising a control lock circuit, a power-off switching circuit and a 4G module circuit, wherein an input power supply of the control circuit supplies power to the lock and an external camera through a public end of a relay through the power-off switching circuit, one path of the control circuit is connected with a main control board to supply power after the control circuit is subjected to voltage reduction through a voltage reduction circuit, and the other path of the control circuit is subjected to voltage reduction through the voltage reduction circuit to supply power to the 4G router circuit; the input power supply charges the battery through the booster circuit and the charging circuit;
the VCC_5V0 after being reduced by the voltage reducing circuit is reduced to VCC_3V3 through the voltage reducing circuit, and supplies power to the 4G router core board through the magnetic beads and VCC_3V3_WI, and is reduced to VCC_3V6 to supply power to the 4G module;
the normally open of the power-off switching circuit is connected with an input power source VCC_12V, and the normally closed of the power-off switching circuit is connected with a battery anode VBAT+; the VCC_12V is connected with the boosting circuit and then is output to the charging circuit after boosting, the charging circuit is connected with the positive electrode of the battery to charge the battery, the input power VCC_12V is connected with the power-off detection circuit, and the VBT feedback of the power-off detection circuit is connected with the pin of the main control board 12; the step-down circuit VCC_5V is connected with the power supply of pins 2 and 4 of the main control board and is connected with the power port of the gravity sensor for power supply; the step-down circuit VCC_5V0 is connected to a lower step-down circuit, and 3.3V and 3.6V of the lower step-down circuit are connected with the 4G router core board and the 4G module;
the power input VCC_12V IN the power-off switching circuit is connected with a normally open pin of the relay through a diode anti-reflection, the battery VBAT+ is connected with a normally closed pin of the relay, when the 12V input power supply is connected, the electromagnetic coil of the relay is conducted, the normally open of the relay is conducted with the common end VCC_12IN and is supplied by the 12V power supply, and when the 12V input power supply is powered off, the normally closed of the relay is conducted with the common end VCC_12IN and is supplied by the battery VBAT+;
the control unlocking lock_OPEN1 and lock_OPEN2 of the control LOCK circuit are respectively connected with pins 16 and 19 of the main control board, and feedback signals lick1, door, lick2 and door2 are connected with pins 5, 7, 21 and 23 of the main control board; the power supply of the control circuit is divided into three paths after passing through the public end of the power supply switching circuit, and one path is connected with the 12V output interface and the lock interface for external use; the other path is connected with the voltage-reducing circuit, and the last path is connected with the voltage-reducing circuit which is the same as the last path.
2. The intelligent sales counter control circuit integrating a 4G router and a power down switching device according to claim 1, wherein the 36 pin of the 4G module circuit is connected with the 15 pin of the 4G router core board hub_dm, the 38 pin is connected with the 14 pin of the 4G router core board hub_dp, and the 4G router 4-way network mdi_rx0+, mdi_rx0-, mdi_tx0+, mdi_tx0-; mdi_rx1+, mdi_rx1-, mdi_tx1+, mdi_tx1-; mdi_rx3+, mdi_rx3-, mdi_tx3+, mdi_tx3-; mdi_rx4+, mdi_rx4-, mdi_tx4+, mdi_tx 4-are connected to 4 paths RJ45 ports 3, 6, 1, 2 pins, respectively.
CN201910772666.1A 2019-08-21 2019-08-21 Intelligent sales counter control circuit integrating 4G router and outage switching equipment Active CN110474422B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104063956A (en) * 2013-03-18 2014-09-24 鸿富锦精密工业(武汉)有限公司 Automatic vending machine
CN204791267U (en) * 2015-05-06 2015-11-18 深圳市鸣人伟业电子科技有限公司 Self -service vending machine of intelligence WIFI advertisement
JP2015231269A (en) * 2014-06-04 2015-12-21 矢崎総業株式会社 Backup power supply circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104063956A (en) * 2013-03-18 2014-09-24 鸿富锦精密工业(武汉)有限公司 Automatic vending machine
JP2015231269A (en) * 2014-06-04 2015-12-21 矢崎総業株式会社 Backup power supply circuit
CN204791267U (en) * 2015-05-06 2015-11-18 深圳市鸣人伟业电子科技有限公司 Self -service vending machine of intelligence WIFI advertisement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
售卡机断电保护电路设计;吴瑞坤等;《中国现代教育装备》;20080115(第1期);第46-47页 *

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Address after: 430000, Area A1, Guanggu Cultural and Creative Industry Park, No. 338 Liufang Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province - Comprehensive Building 501

Patentee after: Wuhan Wheat Convenience Technology Co.,Ltd.

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Address before: 430000 Science and Technology Building 1201 Joint Office, 243 Luyu Road, Donghu Development Zone, Wuhan City, Hubei Province

Patentee before: WUHAN MAKEDAOJIA TECHNOLOGY Co.,Ltd.

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