CN111402492A - Automatic vending machine - Google Patents
Automatic vending machine Download PDFInfo
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- CN111402492A CN111402492A CN202010214252.XA CN202010214252A CN111402492A CN 111402492 A CN111402492 A CN 111402492A CN 202010214252 A CN202010214252 A CN 202010214252A CN 111402492 A CN111402492 A CN 111402492A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
- G07F13/06—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with selective dispensing of different fluids or materials or mixtures thereof
- G07F13/065—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with selective dispensing of different fluids or materials or mixtures thereof for drink preparation
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
- G07F13/10—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with associated dispensing of containers, e.g. cups or other articles
Abstract
The invention provides a vending machine, which solves the problems that in the prior art, the interior of the vending machine is complex in wiring, the operation reliability is difficult to guarantee, and the assembly and maintenance cost is high. This vending machine includes: a master controller; the control circuit module is connected with the master controller in a distributed mode through a data bus; the control circuit module comprises a distributed site controller and an input/output device connected with the distributed site controller. Through adopting distributed control, pass through data bus with the distributed site controller of master controller and control circuit module and be connected, can realize each function of the control circuit module of vending machine by the distributing type, simplified the inside wiring of vending machine, improved the operational reliability, reduced the comprehensive cost of vending machine equipment and maintenance.
Description
Technical Field
The invention relates to a vending machine, in particular to a vending machine based on distributed control.
Background
With the shortage of human resources and the increase of cost, vending machines are increasingly widely applied to sales scenes of various commodities. With the continuous development of market demand and technology, not only goods packaged in standard such as bottled beverages can be sold by vending machines, but also goods such as freshly ground coffee and freshly made milk tea are required to be made and sold by vending machines on site. To selling the commodity of single, standard packing of variety, the peripheral equipment of vending machine is less, and control circuit is fairly simple, generally adopts traditional single chip microcomputer control panel direct external peripheral equipment can realize. And along with selling the diversification of commodity variety and more commodity and requiring the vending machine just on-the-spot preparation and sell, the function of vending machine is more and more complicated, and the peripheral equipment that inside contained is more and more, adopts a control panel to connect all peripheral equipment and leads to the wiring too many and difficult to maintain, and the operational reliability of vending machine is difficult to guarantee, and equipment and maintenance cost also increase substantially.
Disclosure of Invention
In view of this, embodiments of the present invention provide a vending machine to solve the problems in the prior art that the inside of the vending machine is complicated in wiring, the operation reliability is difficult to be ensured, and the assembly and maintenance costs are high.
An embodiment of the present invention provides a vending machine, including: a master controller; the control circuit module is connected with the master controller in a distributed mode through a data bus; the control circuit module comprises a distributed site controller and an input/output device connected with the distributed site controller.
In one embodiment, the vending machine further comprises a communication module connected with the main controller, and the communication module is used for realizing the mutual communication between the main controller and the cloud server.
In one embodiment, the at least one control circuit module comprises a cargo way control circuit module for implementing shipment control; wherein the input-output device of the lane control circuit module includes: a product sensor connected to an input interface of the distributed site controller of the lane control circuit module; and the delivery executing motor is connected with an output interface of the distributed station controller of the cargo channel control circuit module.
In one embodiment, the at least one control circuit module includes the following modules respectively connected to the data bus: the device comprises a box body refrigeration temperature control module, a coffee bean quantifying and grinding control module, a coffee extraction control module, a fresh milk quantifying adding and milk bubble making module, an automatic water feeding and boiler heating control module and a cup falling, cover falling and gland pressing control module.
In one embodiment, the input and output device of the box refrigeration temperature control module includes: the box body temperature measuring sensor is connected with an input interface of the distributed station controller of the box body refrigeration temperature control module; the box body temperature control relay is connected with an output interface of the distributed station controller of the box body refrigeration temperature control module; and/or the input and output equipment of the coffee bean quantifying and grinding control module comprises: the weight sensor is connected with an input interface of the distributed site controller of the coffee bean quantifying and grinding control module; the coffee bean grinding execution motor is connected with an output interface of the distributed site controller of the coffee bean quantifying and grinding control module; and/or the input and output device of the coffee extraction control module comprises: a pressure sensor connected with an input interface of the distributed site controller of the coffee extraction control module; the extraction execution motor is connected with an output interface of the distributed site controller of the coffee extraction control module; and/or the input and output equipment of the fresh milk quantitative adding and milk foam making module comprises: the liquid level detection sensor is connected with an input interface of the distributed site controller of the fresh milk quantitative adding and milk foam making module; the milk foam making execution motor is connected with an output interface of the distributed site controller of the fresh milk quantitative adding and milk foam making module; and/or, the input and output device of the automatic water-feeding and boiler heating control module comprises: the water temperature detection sensor is connected with an input interface of the distributed site controller of the automatic water feeding and boiler heating control module; the water temperature control relay is connected with an output interface of the distributed station controller of the automatic water feeding and boiler heating control module; and/or the input and output equipment of the cup falling and cover pressing control module comprises: the position detection sensor is connected with an input interface of the distributed station controller of the cup falling and cover pressing control module; and the gland executing motor is connected with an output interface of the distributed station controller of the cup falling and gland controlling module.
In one embodiment, the data bus comprises one or more combinations of the following bus types: a controller area network bus and an RS485 bus.
In one embodiment, the vending machine further comprises a touch display screen for displaying a user interaction interface and receiving an operation instruction, one interface of the touch display screen is connected with the master controller, and the other interface of the touch display screen is connected with the data bus.
In one embodiment, the vending machine further comprises a power supply module for supplying power to the main controller, the distributed site controller and the touch display screen, and the power supply module is connected with the main controller, the distributed site controller and the touch display screen through a power bus.
In one embodiment, the master comprises: a microprocessor; the order processing unit is electrically connected with the microprocessor and used for receiving the user order information input by the touch display screen and realizing order information analysis; and the data processing unit is electrically connected with the microprocessor and used for sending out control signals and receiving feedback signals sent out by the distributed site controller.
In one embodiment, the distributed site controller comprises: a microcontroller; the signal transceiving unit is electrically connected with the microcontroller and is used for receiving the control signal sent by the master controller and sending the feedback signal; and the control execution unit is electrically connected with the microcontroller and is used for receiving the detection signal of the input and output equipment and sending the control signal to the input and output equipment according to the function of the control circuit module so as to realize the function of the control circuit module.
According to the vending machine provided by the embodiment of the invention, a plurality of control circuit modules are arranged to respectively realize various control operations, and each control circuit module is controlled by adopting an independent distributed site controller, so that distributed control is realized. The main controller is connected with the distributed site controller of the control circuit module through a data bus, so that each function of the control circuit module of the vending machine can be realized in a distributed mode, the internal wiring of the vending machine is simplified, the operation reliability is improved, and the comprehensive cost of assembling and maintaining the vending machine is reduced.
Drawings
Figure 1 is a schematic block diagram of a vending machine according to one embodiment of the present invention.
Figure 2 is a schematic block diagram of a vending machine according to another embodiment of the present invention.
Figure 3 is a schematic block diagram of a vending machine according to another embodiment of the present invention.
Figure 4 is a schematic block diagram of a vending machine according to another embodiment of the present invention.
Figure 5 is a schematic block diagram of a vending machine according to another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a main controller in the vending machine according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a distributed site controller in a vending machine according to an embodiment of the present invention.
Fig. 8 is a flow chart illustrating operation of a distributed site controller in a vending machine in accordance with an embodiment of the present invention.
Fig. 9 is a flow chart illustrating operation of a distributed site controller in a vending machine in accordance with another embodiment of the present invention.
Figure 10 is a flow chart illustrating the coffee making process of the vending machine in accordance with one embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Figure 1 is a schematic block diagram of a vending machine according to one embodiment of the present invention. As shown in fig. 1, the vending machine 100 includes: a master controller 001; and at least one control circuit module 110, which is connected with the master controller 001 in a distributed manner through the data bus 006; the control circuit module 110 includes a distributed site controller 020 and an input/output device 030 connected to the distributed site controller 020.
Specifically, the main controller 001, as a main control device of the vending machine, may communicate with the distributed site controller 020 through the data bus 006, so as to realize operations such as reading and motion control of the state of the control circuit module 110. The control circuit module 110 controls the input/output device 030 through the distributed site controller 020, and thus distributed management of the vending machine 100 can be realized. It should be noted that the specific number of the control circuit modules 110 may be determined according to the specific function of the vending machine 100, and the specific number of the control circuit modules 110 is not limited in the embodiment of the present invention.
According to the vending machine 100 provided by the embodiment of the invention, a plurality of control circuit modules 110 are arranged to respectively realize a plurality of control operations, and each control circuit module 110 is controlled by an independent distributed site controller 020, so that distributed control is realized. Connect main controller 001 and control circuit module 110's distributed site controller 020 through data bus 006, can realize each control circuit module 110's of vending machine 100 function by the distributing type, simplified vending machine 100 internal wiring, improved operational reliability, reduced the combined cost of vending machine 100 equipment and maintenance.
In an embodiment of the present invention, as shown in fig. 2, the vending machine 100 further includes a communication module 004 connected to the main controller 001, for implementing the communication between the main controller 001 and the cloud server.
Specifically, after the customer places an order, the main controller 001 receives the order and the payment information, uploads the order and the payment information to the cloud server through the communication module 004, receives feedback information of successful payment sent by the cloud server, and then executes the next control operation. The cloud server has the advantages of good stability, high safety and the like, and the reliability of the operation of the automatic vending machine 100 system is guaranteed. The communication module 004 can realize the mutual communication between the master controller 001 and the cloud server through a wired network, and can also realize the communication between the master controller 001 and the cloud server through a wireless network. The 4G wireless network has a fast transmission speed and a high bandwidth, and preferably, the communication module 004 adopts the 4G wireless network to realize faster and more convenient communication between the master controller 001 and the cloud server. The communication module 004 may be connected to the main controller 001 through a Universal Serial Bus (USB) interface, or may be connected to the main controller 001 through an ethernet interface.
Figure 3 is a schematic block diagram of a vending machine according to another embodiment of the present invention. As shown in fig. 3, the at least one control circuit module 110 includes a cargo way control circuit module 111 for implementing shipment control; the input/output device 030 of the cargo way control circuit module 111 includes: the product sensor 301 is connected with the input interface 201 of the distributed station controller 020 of the cargo way control circuit module 111; and an shipment execution motor 302 connected to the output interface 202 of the distributed station controller 020 of the lane control circuit module 111.
Specifically, in the embodiment of the present invention, the vending machine 100 is a lane type vending machine, the lane control circuit module 111 may be used to implement shipment control of goods packaged in a standard manner, the vending machine 100 may include a plurality of lane control circuit modules 111, and different lane control circuit modules 111 may implement shipment control of different types of goods. It should be understood that the functions of the different lane control circuit modules 111 may be divided according to the packing form of the goods, such as bottles, bags, boxes, etc., and may also be divided according to the kinds of the goods to be sold. It should be noted that the specific number of the lane control circuit modules 111 may be determined according to the specific function of the vending machine 100, and the specific number of the lane control circuit modules 111 is not limited in the embodiment of the present invention. The product sensor 301 may be a photoelectric sensor or the like for detecting the presence or absence of a commodity in the cargo way; the shipment executing motor 302 may be a rotating motor or the like, and is used to deliver the goods to the shipment port.
The vending machine 100 provided by the embodiment of the invention can realize effective management and simple and convenient maintenance of each goods channel under the conditions of various types of goods for vending and different packaging forms.
Figure 4 is a schematic block diagram of a vending machine according to another embodiment of the present invention.
In an embodiment of the present invention, as shown in fig. 4, the at least one control circuit module 110 includes the following modules respectively connected to the data bus 006: a box refrigeration temperature control module 210, a coffee bean quantifying and grinding control module 220, a coffee extraction control module 230, a fresh milk quantifying adding and milk foam making module 240, an automatic water feeding and boiler heating control module 250 and a cup falling, lid falling and gland pressing control module 260.
Specifically, the vending machine 100 in the embodiment of the present invention is a freshly-made coffee vending machine, wherein the box refrigeration temperature control module 210 is configured to implement refrigeration control of the box of the vending machine 100 to ensure freshness of fresh milk raw materials used in making coffee; a coffee bean quantifying and grinding control module 220 for automatic weighing and grinding control of coffee beans and preparing for the next coffee extraction. A coffee extraction control module 230 for controlling extraction of coffee liquid by using a certain amount of hot water under a certain extraction pressure for a certain time; a fresh milk quantitative adding and milk foam making module 240 for realizing the quantitative adding of milk and the automatic making of milk foam; an automatic water-feeding and boiler-heating control module 250 for realizing automatic water-feeding control of cold and hot water required for making coffee and control of a milk-heating boiler and a hot-water heating boiler; and the cup falling, cover falling and cover pressing control module 260 is used for realizing the automatic cup falling, cover falling and cover pressing functions of the cup.
The vending machine 100 provided by the embodiment of the invention realizes the flow operation of the on-site coffee making, can meet the requirement of a user on-site making of commodities, and ensures the running stability and the maintenance convenience of each functional module in the making process.
In an embodiment of the present invention, as shown in fig. 4, the input and output device 030 of the box refrigeration temperature control module 210 includes: the box body temperature measuring sensor 311 is connected with the input interface 211 of the distributed station controller 020 of the box body refrigeration temperature control module 210; and a box temperature control relay 312 connected to the output interface 212 of the distributed site controller 020 of the box refrigeration temperature control module 210; the input/output unit 030 of the coffee bean quantifying and grinding control module 220 includes: a weight sensor 321 connected to the input interface 221 of the distributed site controller 020 of the coffee bean quantifying and grinding control module 220; a bean grinding execution motor 322 connected to the output interface 222 of the distributed site controller 020 of the coffee bean quantifying and grinding control module 220; the input and output device 030 of the coffee extraction control module 230 includes: a pressure sensor 331 connected to an input interface 231 of a distributed site controller 020 of the coffee extraction control module 230; and an extraction execution motor 332 connected to the output interface 232 of the distributed site controller 020 of the coffee extraction control module 230; the input and output device 030 of the fresh milk quantitative adding and milk foam making module 240 includes: the liquid level detection sensor 341 is connected with an input interface 241 of a distributed site controller 020 of the fresh milk quantitative adding and milk foam making module 240; the milk foam making execution motor 342 is connected with the output interface 242 of the distributed site controller 020 of the fresh milk quantitative adding and milk foam making module 240; the input and output device 030 of the automatic water supply and boiler heating control module 250 includes: a water temperature detection sensor 351 connected to an input interface 251 of a distributed site controller 020 of the automatic water supply and boiler heating control module 250; and a water temperature control relay 352 connected to an output interface 252 of a distributed site controller 020 of the automatic water supply and boiler heating control module 250; the input/output device 030 of the cup and lid dropping and capping control module 260 includes: the position detection sensor 361 is connected with an input interface 261 of a distributed station controller 020 of the cup falling and cover pressing control module 260; and a capping actuator 362 connected to the output interface 262 of the distributed station controller 020 of the cup dropping and capping control module 260.
Specifically, the tank temperature sensor 311, the weight sensor 321, the pressure sensor 331, the liquid level detection sensor 341, the water temperature detection sensor 351, and the position detection sensor 361 are input devices for acquiring signals; the box temperature control relay 312, the bean grinding execution motor 322, the extraction execution motor 332, the milk foam making execution motor 342, the water temperature control relay 352 and the gland execution motor 362 are output devices for executing control operations. It should be understood that in some application scenarios, the control circuit module 110 of the vending machine 100 may not include all of the above modules, for example, when the vending machine 100 is vending coffee without a milk-in-milk variety, the cabinet refrigeration temperature control module 210 and the fresh milk dosing and milk foam making module 240 need not be provided.
According to the function of the control circuit module 110, the vending machine 100 provided by the embodiment of the invention can realize signal acquisition by connecting the corresponding input device with the input interface of the distributed site controller 020, can realize control over the output device by connecting the corresponding output device with the output interface of the distributed site controller 020, and can further effectively ensure the normal operation of each function module in the vending machine 100 on the basis of realizing distributed control over the vending machine 100 and meeting the requirement of a user on a field manufactured commodity.
In one embodiment of the invention, the data bus 006 includes one or more combinations of the following bus types: a Controller Area Network (CAN) bus and an RS485 bus.
Specifically, the data bus 006 is used for transmitting communication signals between the master controller 001 and the distributed site controller 020, and CAN be a CAN bus or an RS485 bus. It should be understood that the specific type of the data bus 006 can be selected according to the requirements of the distributed site controller 020, and the specific type of the data bus 006 is not limited by the embodiment of the invention. In addition, the cable constituting the data bus 006 may be a single-set cable, a double-set double-core twisted pair cable, or a cable with a shielding layer.
Figure 5 is a schematic block diagram of a vending machine according to another embodiment of the present invention.
In an embodiment of the present invention, as shown in fig. 5, the vending machine 100 further includes a touch display screen 003 for displaying a user interaction interface and receiving an operation instruction, one interface of the touch display screen 003 is connected to the main controller 001, and the other interface of the touch display screen 003 is connected to the data bus 006.
Specifically, the touch display screen 003 can display a commodity graphical interface and perform human-computer interaction in a touch manner to realize the functions of displaying commodity pictures, price information and user order operations. The customer can select the required goods and quantity through the touch display screen 003, and order through the mode of the two-dimensional code on the cell-phone scanning screen, wait that the goods shipment or the preparation is accomplished after, the suggestion of accessible touch display screen 003 gets the goods, accomplishes the goods and purchases. On the basis of realizing the control of each functional module of the vending machine 100 in a distributed manner, the embodiment of the invention can further improve the experience and the feeling of a customer purchasing commodities on the vending machine 100. The touch screen 003 may be connected to the master 001 through a High Definition Multimedia Interface (HDMI) or USB Interface, and may be connected to the data bus 006 through a data bus Interface.
In an embodiment of the present invention, as shown in fig. 5, the vending machine 100 further includes a power module 002 for supplying power to the master controller 001, the distributed site controller 020, and the touch display screen 003, and the power module is connected to the master controller 001, the distributed site controller 020, and the touch display screen 003 through the power bus 005.
Specifically, the power supply module 002, depending on the function of each control circuit module 110, may provide power to the power bus 005 including one or more of the following types: 12V-24V DC and 110V/220V AC. It should be understood that the specific type of power supplied by the power module 002 may be selected according to the needs of the power supply object, and the specific selection of the power supplied by the power module 002 is not limited by the embodiments of the present invention. In addition, the cable constituting the power bus 005 may have two cores or four cores according to the type of the power source included, and the wire diameter of the cable may be determined according to the magnitude of the power supply current of the power bus 005. Since the power supply connection outside the control circuit module 110 is only the power bus 005 in the embodiment of the present invention, the internal connection of the vending machine 100 can be further simplified.
In an embodiment of the present invention, as shown in fig. 6, the master 001 includes: a microprocessor 011; the order processing unit 012 is electrically connected with the microprocessor 011 and is used for receiving the user order information input by the touch display screen 003 and realizing order information analysis; and a data processing unit 013 electrically connected to microprocessor 011, for issuing control signals and receiving feedback signals issued by distributed site controller 020.
In particular, the microprocessor 011 internally runs a main control program according to the functions of the vending machine 100. The microprocessor 011 can adopt an ARM core series, and the embodiment of the invention does not limit the specific type of the microprocessor 011. After the customer finishes placing an order, the order processing unit 012 receives the order and the payment information from the touch display screen 003, analyzes the order information including the type and quantity of the goods, and then uploads the order information to the cloud server through the communication module 004. After receiving the feedback of successful payment, the data processing unit 013 sends a control signal to the distributed site controller 020 of the corresponding control circuit module 110 through the data bus 006 according to the analysis result of the order information of the order processing unit 012, and receives a feedback signal of the distributed site controller 020 through the data bus 006. The main controller 001 in the embodiment of the present invention ensures the stability of the overall operation of the vending machine 100.
In an embodiment of the present invention, as shown in fig. 7, the distributed site controller 020 includes: a microcontroller 021; a signal receiving and transmitting unit 022 electrically connected to the microcontroller 021, for receiving the control signal sent by the master controller 001 and sending a feedback signal; and a control execution unit 023 electrically connected to the microcontroller 021 and configured to receive a detection signal of the input/output device 030 according to a function of the control circuit module 110 and send a control signal to the input/output device 030 to implement the function of the control circuit module 110.
Specifically, the microcontroller 021 internally runs an independent control program according to the specific function of the control circuit module 110. The microcontroller 021 may be selected from the STM32 family, and embodiments of the present invention are not limited to a particular type of microcontroller 021. When the client finishes ordering and the data processing unit 013 of the master 001 sends out the control signal, the distributed site controller 020 of the corresponding control circuit module 110 performs the following operations: the signal transceiving unit 022 receives the control signal sent by the master controller 001 through the data bus 006, the control execution unit 023 controls the input and output device 030 to execute the commodity manufacturing or goods delivery operation according to the instruction of the control signal, and after the commodity manufacturing or goods delivery is completed, the signal transceiving unit 022 feeds back the execution result to the data processing unit 013 of the master controller 001 through the data bus 006.
Fig. 8 is a flow chart illustrating operation of a distributed site controller in a vending machine in accordance with an embodiment of the present invention. After the client places an order, as shown in fig. 8, the distributed site controller will perform the following operations:
step 801: and the signal transceiving unit of the distributed site controller receives the control signal sent by the main controller.
Specifically, referring to fig. 3, after the master controller 001 completes order analysis and sends a control signal, the signal transceiver 022 of the distributed site controller 020 of the corresponding lane control circuit module 111 receives the control signal sent by the master controller 001 through the data bus 006.
Step 802: and the control execution unit of the distributed station controller controls the input and output equipment to carry out commodity delivery according to the instruction of the control signal.
Specifically, referring to fig. 3 together, the control execution unit 023 of the distributed site controller 020 controls the product sensor 301 to detect the presence or absence of the commodity in the commodity passage according to the instruction of the control signal, and controls the shipment execution motor 302 to send the commodity to the shipment port.
Step 803: and after the commodity is delivered, the signal receiving and transmitting unit of the distributed site controller feeds back the execution result to the main controller.
Specifically, referring to fig. 3 together, the signal transceiving unit 022 of the distributed site controller 020 feeds back the result of shipment completion to the master 001 through the data bus 006.
Fig. 9 is a flow chart illustrating operation of a distributed site controller in a vending machine in accordance with another embodiment of the present invention. After the client places an order, as shown in fig. 9, the distributed site controller will perform the following operations:
step 901: and the signal transceiving unit of the distributed site controller receives the control signal sent by the main controller.
Specifically, referring to fig. 4, after the master 001 completes order analysis and sends a control signal, the signal transceiver unit 022 of each distributed site controller 020 of the corresponding control circuit module 110 receives the control signal sent by the master 001 through the data bus 006.
Step 902: and the control execution unit of the distributed station controller controls the input and output equipment to make coffee according to the instruction of the control signal.
Specifically, referring to fig. 4 together, the control execution unit 023 of each distributed site controller 020 controls the input device to collect signals according to instructions of the control signals, and controls the output device to execute control operations related to coffee making.
Step 903: and after the coffee is made, the signal receiving and transmitting unit of the distributed site controller feeds back the execution result to the main controller.
Specifically, referring to fig. 4, the signal transceiver unit 022 of the distributed site controller 020 of the cup and lid dropping and capping control module 260 can feed back the coffee making completion result to the master controller 001 through the data bus 006.
Step 904: and the signal transceiving unit of the distributed site controller receives the control signal sent by the master controller again.
Specifically, referring to fig. 4, the signal transceiver unit 022 of the distributed site controller 020 of the fresh milk adding and milk foam making module 240 and the coffee extraction control module 230 can receive the control signal sent by the master controller 001 again through the data bus 006.
Step 905: and the control execution unit of the distributed site controller controls the input and output equipment to carry out cleaning operation according to the instruction of the control signal.
Specifically, referring to fig. 4, the fresh milk quantitative adding and milk foam making module 240 and the coffee extraction control module 230 control the respective input/output devices 030 to respectively perform the automatic cleaning operations of the milk pipeline and the extraction device according to the instruction of the control signal.
Further, in step 902 of fig. 9, the control execution unit of the distributed site controller controls the input/output device to make coffee according to the instruction of the control signal, as shown in fig. 10, specifically includes the following steps:
step 1001: the cup falling and cover pressing control module carries out automatic cup falling operation and rotates the cup to a coffee liquid outlet position;
step 1002: the coffee bean quantifying and grinding control module starts to automatically fall beans, weighs and quantifies the beans, grinds the beans according to set time and falls ground coffee powder into a special coffee extraction device;
step 1003: the coffee extraction control module controls the coffee extraction device to extract coffee according to the coffee extraction step, and injects coffee extract and hot water into a cup at a liquid outlet position;
step 1004: the fresh milk quantitative adding and milk foam making module carries out the quantitative adding or milk foam making of the fresh milk;
step 1005: the cup falling, cover falling and cover pressing control module rotates the cup to a cover falling and cover pressing station, and the cup is conveyed to the goods taking port after the cover falling and cover pressing operation is completed.
In particular, to save time for coffee making, steps 1003 and 1004 may be performed simultaneously, i.e. fresh milk dosing or milk foam making may be performed while coffee is extracted. It should be understood that the above steps are the process flow of making coffee with milk product such as latte or cappuccino, when the customer purchases coffee without milk product, the fresh milk dosing and milk foam making module 240 does not perform any operation, and step 1004 is skipped, and accordingly, after the coffee is made, the milk line cleaning operation is not required.
In the embodiment of the present invention, the distributed control function of the distributed site controller 020 is implemented by the microcontroller 021, the signal transceiving unit 022 and the control execution unit 023, and on the basis of implementing the control of each functional module of the vending machine 100 in a distributed manner, the stability of the operation of each control circuit module 100 of the vending machine 100 is further ensured.
It will be understood that the foregoing is illustrative of particular embodiments of the invention and that the invention is not limited thereto, as many similar variations are possible. All modifications which would occur to one skilled in the art and which are, therefore, directly derived or suggested from the disclosure herein are deemed to be within the scope of the present invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (10)
1. A vending machine, comprising:
a master controller; and
at least one control circuit module which is connected with the master controller in a distributed manner through a data bus;
the control circuit module comprises a distributed site controller and an input/output device connected with the distributed site controller.
2. The vending machine of claim 1, further comprising a communication module connected to the master controller for enabling the master controller to communicate with a cloud server.
3. The vending machine of claim 2, wherein the at least one control circuit module includes a lane control circuit module for effecting shipment control;
wherein the input-output device of the lane control circuit module includes:
a product sensor connected to an input interface of the distributed site controller of the lane control circuit module; and
and the delivery executing motor is connected with an output interface of the distributed station controller of the cargo channel control circuit module.
4. The vending machine of claim 2, wherein the at least one control circuit module comprises the following modules respectively connected to the data bus: the device comprises a box body refrigeration temperature control module, a coffee bean quantifying and grinding control module, a coffee extraction control module, a fresh milk quantifying adding and milk bubble making module, an automatic water feeding and boiler heating control module and a cup falling, cover falling and gland pressing control module.
5. The vending machine of claim 4, wherein the input-output device of the cabinet refrigeration temperature control module comprises:
the box body temperature measuring sensor is connected with an input interface of the distributed station controller of the box body refrigeration temperature control module; and
the box body temperature control relay is connected with an output interface of the distributed station controller of the box body refrigeration temperature control module;
and/or the input and output equipment of the coffee bean quantifying and grinding control module comprises:
the weight sensor is connected with an input interface of the distributed site controller of the coffee bean quantifying and grinding control module; and
the coffee bean grinding execution motor is connected with an output interface of the distributed site controller of the coffee bean quantifying and grinding control module;
and/or the input and output device of the coffee extraction control module comprises:
a pressure sensor connected with an input interface of the distributed site controller of the coffee extraction control module; and
the extraction execution motor is connected with an output interface of the distributed site controller of the coffee extraction control module;
and/or the input and output equipment of the fresh milk quantitative adding and milk foam making module comprises:
the liquid level detection sensor is connected with an input interface of the distributed site controller of the fresh milk quantitative adding and milk foam making module; and
the milk foam making execution motor is connected with an output interface of the distributed site controller of the fresh milk quantitative adding and milk foam making module;
and/or, the input and output device of the automatic water-feeding and boiler heating control module comprises:
the water temperature detection sensor is connected with an input interface of the distributed site controller of the automatic water feeding and boiler heating control module; and
the water temperature control relay is connected with an output interface of the distributed station controller of the automatic water feeding and boiler heating control module;
and/or the input and output equipment of the cup falling and cover pressing control module comprises:
the position detection sensor is connected with an input interface of the distributed station controller of the cup falling and cover pressing control module; and
and the gland executing motor is connected with the output interface of the distributed station controller of the cup falling and gland controlling module.
6. The vending machine of claim 1, wherein the data bus comprises one or more combinations of the following bus types: a controller area network bus and an RS485 bus.
7. The vending machine of claim 1, further comprising a touch display screen for displaying a user interaction interface and receiving an operation command, wherein one interface of the touch display screen is connected to the master controller, and the other interface of the touch display screen is connected to the data bus.
8. The vending machine of claim 7, further comprising a power module for powering the master controller, the distributed site controller, and the touch display screen, connected to the master controller, the distributed site controller, and the touch display screen via a power bus.
9. The vending machine of claim 8, wherein the master controller comprises:
a microprocessor;
the order processing unit is electrically connected with the microprocessor and used for receiving the user order information input by the touch display screen and realizing order information analysis; and
and the data processing unit is electrically connected with the microprocessor and used for sending control signals and receiving feedback signals sent by the distributed site controller.
10. The vending machine of claim 9, wherein the distributed site controller comprises:
a microcontroller;
the signal transceiving unit is electrically connected with the microcontroller and is used for receiving the control signal sent by the master controller and sending the feedback signal; and
and the control execution unit is electrically connected with the microcontroller and used for receiving the detection signal of the input and output equipment and sending the control signal to the input and output equipment according to the function of the control circuit module so as to realize the function of the control circuit module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010214252.XA CN111402492A (en) | 2020-03-24 | 2020-03-24 | Automatic vending machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010214252.XA CN111402492A (en) | 2020-03-24 | 2020-03-24 | Automatic vending machine |
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| CN111402492A true CN111402492A (en) | 2020-07-10 |
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