CN213601287U - Weighing sales counter control system - Google Patents
Weighing sales counter control system Download PDFInfo
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- CN213601287U CN213601287U CN202022461970.5U CN202022461970U CN213601287U CN 213601287 U CN213601287 U CN 213601287U CN 202022461970 U CN202022461970 U CN 202022461970U CN 213601287 U CN213601287 U CN 213601287U
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Abstract
The utility model discloses a weighing sales counter control system, including host processor and power module, the host processor is connected with IC-card reader connecting module, load controller, key input circuit, weighing processing module, display module, the load controller is connected with the lock control circuit, host processor, display module, weighing processing module all are connected with power module; the utility model discloses have the function of selling of the class article of weighing to needs, improved application range, be applicable to the popularization.
Description
Technical Field
The utility model belongs to the technical field of automatic vending machine, a sales counter control system weighs is related to.
Background
The vending machine is a machine capable of automatically paying goods according to the inserted coins, is a common commercial automatic device, is not limited by time and places, can save manpower and facilitate transactions, and is a brand new commercial retail form, namely a micro supermarket which is operated for 24 hours.
At present, most of vending machines in the market mainly sell individual articles such as mineral water, cigarettes and instant noodles, so that the control system of the existing vending machine does not have the selling function of weighing the articles, and the use limitation exists.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a sales counter control system weighs, fine solution current vending machine's among the prior art control system do not have the problem of selling of the class article of realization weighing.
In order to realize the purpose, the utility model discloses a technical scheme as follows: a weighing sales counter control system comprises a main processor and a power supply module, wherein the main processor is connected with an IC card reader connecting module, a load controller, a key input circuit, a weighing processing module and a display module, the load controller is connected with a door lock control circuit, and the main processor, the display module and the weighing processing module are all connected with the power supply module.
Furthermore, the weighing processing modules are provided in a plurality, the number of the display modules is the same as that of the weighing processing modules, and the weighing processing modules, the display modules and the main processor are connected through 485 communication modules.
Further, the weighing processing module comprises a digital-to-analog conversion circuit and a first single chip microcomputer connected with the digital-to-analog conversion circuit, the digital-to-analog conversion circuit is connected with a connecting terminal, the connecting terminal can be connected with a weighing sensor, and the first single chip microcomputer is connected with the 485 communication module.
Further, the display module comprises a nixie tube and a second single chip microcomputer connected with the nixie tube, and the second single chip microcomputer is connected with the 485 communication module.
Furthermore, the first single chip microcomputer and the second single chip microcomputer both adopt N76E003, the chip of the 485 communication module is SP3485EN-L/TR, and the first single chip microcomputer and the second single chip microcomputer are both connected with a downloading circuit and a reset circuit.
Furthermore, a sixth resistor (R6) is connected between a pin six and a pin seven of the chip of the 485 communication module, two ends of the sixth resistor (R6) are both connected with a fuse and a photosensitive diode which are connected in parallel, the negative electrodes of the photosensitive diode are both grounded, and one ends of the two fuses are respectively connected to the pin twenty and the pin seventeen of the first single chip microcomputer or the second single chip microcomputer.
Furthermore, the main processor is further connected with a voice broadcast connection module, a Flash broadcast connection module and a 4G communication module, and the load controller is further connected with an LED lamp circuit and a reserved switching value output circuit.
Further, the main processor adopts STM32F103RCT6, and the main processor is also connected with a backup battery circuit.
Furthermore, the standby battery circuit comprises a nineteenth capacitor, a sixth diode, a seventh diode and a standby battery, wherein a cathode of the sixth diode, a cathode of the seventh diode and one end of the nineteenth capacitor are all connected with the first pin of the main processor, an anode of the sixth diode is connected with the power supply module, an anode of the seventh diode is connected with an anode of the standby battery, and the other end of the nineteenth capacitor and the cathode of the standby battery are grounded.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the utility model, the IC card reader connecting module, the load controller, the key input circuit, the weighing processing module and the display module of the main processor can make the vending machine have the weighing function; the weighing is displayed through a display module; the main processor calculates the required fee according to the weighing information, sends an instruction to the IC card reader connecting module and has the function of IC card fee settlement; the signal input is sent to the main processor through the key input circuit, and the door lock control circuit connected with the load controller controls the opening and closing of the cabinet door of the automatic vending cabinet; the utility model discloses have the function of selling of the class article of weighing to needs, improved application range, be applicable to the popularization.
2. In the utility model, the first singlechip and the second singlechip are both connected with the download circuit and the reset circuit, and the reset circuit can reset the last data of the first singlechip and the second singlechip after the automatic vending cabinet finishes vending each time and is in the initial state again; and change the calculation procedure in first singlechip and the second singlechip through the download circuit to be suitable for weighing different article and show the numerical value under the different measurement unit of article, increased the utility model discloses application range, the flexibility is higher.
3. The utility model discloses in, the host processor is connected with the backup battery circuit, and the backup battery circuit falls the power back at the host processor, and the work of host processor can be maintained to the backup battery circuit, makes the data of host processor can preserve can not lose, and the security is high, job stabilization.
Drawings
Fig. 1 is a block diagram of the overall architecture of the present invention;
fig. 2 is a pin connection schematic diagram of the first single chip microcomputer of the present invention;
fig. 3 is a pin connection diagram of a second single chip microcomputer according to the present invention;
fig. 4 is a circuit diagram of the reset circuit of the present invention;
FIG. 5 is a circuit diagram of the download circuit of the present invention;
fig. 6 is a schematic diagram of the pin connection of the main processor according to the present invention;
fig. 7 is a circuit diagram of a backup battery circuit according to the present invention;
fig. 8 is a circuit diagram of the IC card reader connection module of the present invention;
fig. 9 is a circuit diagram of the key input circuit of the present invention;
fig. 10 is a circuit diagram of the door lock control circuit of the present invention;
fig. 11 is a circuit diagram of the 485 communication module of the present invention.
In the figure: the intelligent weighing device comprises a main processor (1), an IC card reader connecting module (2), a load controller (3), a key input circuit (4), a weighing processing module (5), a display module (6), a door lock control circuit (7), a power supply module (8), a voice broadcast connecting module (9), a Flash play connecting module (10), a 4G communication module (11), an LED lamp circuit (12), a reserved switching value output circuit (13), a fifth resistor (R5), a fourth capacitor (C4), a nineteenth capacitor (C19), a sixth diode (D6), a seventh diode (D7), a standby battery (B11) and a sixth resistor (R6).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a weighing sales counter control system, including host processor 1 and power module 8, host processor 1 is connected with IC card reader connecting module 2, load controller 3, button input circuit 4, weighing processing module 5, display module 6, load controller 3 is connected with lock control circuit 7, host processor 1, display module 6, weighing processing module 5 all are connected with power module 8; the IC card reader connecting module 2, the key input circuit 4, the weighing processing module 5 and the door lock control circuit 7 can be respectively connected with the IC card reader, the keys, the weighing sensor and the door lock through connecting terminals; the automatic vending cabinet has the functions of IC card expense settlement, weighing and controlling the opening and closing of the cabinet door of the automatic vending cabinet; the load controller 3 adopts ULN2003D, and the circuit diagram of the IC card reader connecting module 2, the circuit diagram of the key input circuit 4 and the door lock control circuit are respectively shown in FIG. 8, FIG. 9 and FIG. 10.
In this embodiment, a plurality of weighing processing modules 5 are provided, the number of the display modules 6 is the same as that of the weighing processing modules 5, and the weighing processing modules 5, the display modules 6 and the main processor 1 are connected through 485 communication modules; each weighing processing module 5 and each display module 6 correspond to each storage lattice on the automatic sales counter, the information collected by a weighing sensor arranged on each storage lattice is collected and processed and fed back to the main processor 1, and the main processor 1 sends the weight information to the display module 6 for display; the variety and quantity of the sold articles are improved.
Specifically, the weighing processing module 5 comprises a digital-to-analog conversion circuit and a first single chip microcomputer connected with the digital-to-analog conversion circuit, wherein the digital-to-analog conversion circuit is connected with a connecting terminal, and the connecting terminal can be connected with a weighing sensor; the weighing sensor can acquire weight information of the article, the weight information of the article can be subjected to digital-to-analog conversion through the digital-to-analog conversion circuit, signals are transmitted to the first single chip microcomputer, the first single chip microcomputer is connected with the 485 communication module, and the signals are transmitted to the main processor 1 through the 485 communication module by the first single chip microcomputer.
In this embodiment, display module 6 includes the charactron, the second singlechip with the charactron is connected, and the second singlechip is given with weight information transmission to main processing, the second singlechip is connected with 485 communication module, and the second singlechip gives the charactron and gives an instruction, and the charactron shows the weight information of article in the current storage compartment.
In this embodiment, as shown in fig. 2 and 3, the first single chip microcomputer and the second single chip microcomputer both use N76E003, the chip of the 485 communication module is SP3485EN-L/TR, and the first single chip microcomputer and the second single chip microcomputer both are connected with a download circuit and a reset circuit; the reset circuit can reset the last data of the first single chip microcomputer and the second single chip microcomputer after the automatic vending cabinet finishes vending each time, and the automatic vending cabinet is in an initial state again; and change the calculation procedure in first singlechip and the second singlechip through the download circuit to be suitable for weighing different article and show the numerical value under the different measurement unit of article, increased the utility model discloses application range, the flexibility is higher.
As shown in fig. 11, a sixth resistor R6 is connected between pin six and pin seven of the chip of the 485 communication module, the two ends of the sixth resistor R6 are both connected with a fuse and a photodiode which are connected in parallel, the negative electrode of the photodiode is grounded, and one end of each of the two fuses is connected to pin twenty and pin seventeen of the first single chip microcomputer or the second single chip microcomputer respectively, so that the use safety of the 485 communication module is ensured, the 485 communication module is prevented from being overloaded, and the use safety of the 485 communication module is improved.
Specifically, as shown in fig. 4, the reset circuit includes a fifth resistor R5 and a fourth capacitor C4, one end of the fifth resistor R5 is connected to a pin four of the first or second single chip microcomputer, the other end of the fifth resistor R5 is connected to a pin nine of the first or second single chip microcomputer, one end of the fourth capacitor C4 is connected to a pin four of the first or second single chip microcomputer, and the other end of the fourth capacitor C4 is grounded;
as shown in fig. 5, the download circuit includes a 5-pin socket interface, pin two, pin three, and pin four of the 5-pin socket interface are respectively connected to pin eight, pin eighteen, and pin four of the first or second single chip microcomputer, pin one of the 5-pin socket interface is connected to pin nine of the first or second single chip microcomputer, and pin 5 of the 5-pin socket interface is grounded.
In this embodiment, the main processor 1 is further connected with a voice broadcast connection module 9, a Flash broadcast connection module 10, and a 4G communication module 11, and the load controller 3 is further connected with an LED lamp circuit 12 and a reserved switching value output circuit 13; the voice broadcast connection module 9, the Flash broadcast connection module 10 and the 4G communication module 11 respectively adopt NY3P115BP88059AA1, W25Q80DV and EC200T-CN Mini PCle-D as driving chips, the voice broadcast connection module 9 and the Flash broadcast connection module 10 can be connected with a voice broadcaster and an LED display screen through connecting terminals, the main processor 1 can send an instruction to the voice broadcaster through the voice broadcast connection module 9, the voice broadcaster can broadcast the implementation running state of the main processor 1, the main processor 1 can send an instruction to the LED display screen through the Flash broadcast connection module 10, information of articles in a sales counter is played, and the 4G communication module 11 can enable a user to check the equipment state of the sales counter and the preference of the articles through a mobile phone App and can also finish purchasing through mobile phone payment; the reserved switching value output circuit 13 can add other required functions for sending instructions to the driving element and connecting the driving element, so that the application range is improved; increased above the utility model discloses a function has improved user's experience degree, and it is more convenient to use.
In this embodiment, as shown in fig. 6 and 7, the main processor 1 employs an STM32F103RCT6, the main processor 1 is further connected with a backup battery circuit, and the backup battery circuit can maintain the work of the main processor 1 after the power of the main processor 1 is lost, so that the data of the main processor 1 can be stored without loss, the security is high, and the work is stable; specifically, the standby battery circuit includes a nineteenth capacitor C19, a sixth diode D6, a seventh diode D7, and a standby battery B11, a cathode of the sixth diode D6, a cathode of the seventh diode D7, and one end of the nineteenth capacitor C19 are all connected to the first pin of the main processor 1, an anode of the sixth diode D6 is connected to the power supply module 8, an anode of the seventh diode D7 is connected to an anode of the standby battery B11, and the other end of the nineteenth capacitor C19 and the cathode of the standby battery B11 are grounded. And the key input circuit, the door lock control circuit and the 485 communication module are connected according to the figure 8, the figure 9 and the figure 10.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a sales counter control system weighs which characterized in that: the intelligent weighing system comprises a main processor and a power supply module, wherein the main processor is connected with an IC card reader connecting module, a load controller, a key input circuit, a weighing processing module and a display module, the load controller is connected with a door lock control circuit, and the main processor, the display module and the weighing processing module are all connected with the power supply module.
2. The weighing sales counter control system of claim 1, wherein: the weighing processing module is provided with a plurality of, the number of display modules is the same as that of the weighing processing modules, and the weighing processing module, the display modules and the main processor are connected through 485 communication modules.
3. The weighing sales counter control system of claim 2, wherein: the weighing processing module comprises a digital-to-analog conversion circuit and a first single chip microcomputer connected with the digital-to-analog conversion circuit, the digital-to-analog conversion circuit is connected with a connecting terminal, the connecting terminal can be connected with a weighing sensor, and the first single chip microcomputer is connected with the 485 communication module.
4. The weighing sales counter control system of claim 3, wherein: the display module comprises a nixie tube and a second single chip microcomputer connected with the nixie tube, and the second single chip microcomputer is connected with the 485 communication module.
5. The weighing sales counter control system of claim 4, wherein: the first single chip microcomputer and the second single chip microcomputer are both N76E003, the chip of the 485 communication module is SP3485EN-L/TR, and the first single chip microcomputer and the second single chip microcomputer are both connected with a downloading circuit and a reset circuit.
6. The weighing sales counter control system of claim 5, wherein: and a sixth resistor is connected between a pin six and a pin seven of the chip of the 485 communication module, two ends of the sixth resistor are connected with a fuse and a photosensitive diode which are connected in parallel, the negative electrodes of the photosensitive diodes are grounded, and one ends of the two fuses are respectively connected to the pin twenty and the pin seventeen of the first single chip microcomputer or the second single chip microcomputer.
7. The weighing sales counter control system of claim 1, wherein: the main processor is further connected with a voice broadcast connection module, a Flash broadcast connection module and a 4G communication module, and the load controller is further connected with an LED lamp circuit and a reserved switching value output circuit.
8. The weighing sales counter control system of claim 1, wherein: the main processor adopts STM32F103RCT6, and is also connected with a backup battery circuit.
9. The weighing sales counter control system of claim 8, wherein: the standby battery circuit comprises a nineteenth capacitor, a sixth diode, a seventh diode and a standby battery, wherein the cathode of the sixth diode, the cathode of the seventh diode and one end of the nineteenth capacitor are all connected with the first pin of the main processor, the anode of the sixth diode is connected with the power supply module, the anode of the seventh diode is connected with the anode of the standby battery, and the other end of the nineteenth capacitor and the cathode of the standby battery are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461970.5U CN213601287U (en) | 2020-10-30 | 2020-10-30 | Weighing sales counter control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461970.5U CN213601287U (en) | 2020-10-30 | 2020-10-30 | Weighing sales counter control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213601287U true CN213601287U (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022461970.5U Active CN213601287U (en) | 2020-10-30 | 2020-10-30 | Weighing sales counter control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213601287U (en) |
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2020
- 2020-10-30 CN CN202022461970.5U patent/CN213601287U/en active Active
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