Vending machine and stock-out monitoring method thereof
A vending machine and inventory technology, which is applied to coin-free or similar appliances, instruments, coin-operated equipment for distributing discrete items, etc., can solve the problem that unmanned vending machines cannot be monitored in real time, and achieve stable and reliable communication.
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Embodiment 1
[0048] An unmanned vending machine, please refer to Figure 1 to Figure 9 .
[0049] like figure 1As shown, the unmanned vending machine provided by the embodiment of the present invention includes a cabinet 11, and the cabinet 11 is provided with multi-layer inventory pallets 111, and the space above each layer of inventory pallets 111 is divided into multiple cargo lanes 114 by vertical plates 112, The cargo lanes 114 are equivalent to a grid space, and each cargo lane 114 is provided with a cargo output mechanism, and the cargo output mechanism is a coil spring 113. In other embodiments, crawlers can also be used as the cargo output mechanism.
[0050] The working principle of the current unmanned vending machine is as follows: figure 2 As shown, a piece of goods 1131 is clamped in each pitch of the helical spring 113, and each goods on the same helical spring 113 is generally the commodity of the same type. At this time, the driving motor 1132 drives the coil spring 11...
Embodiment 2
[0072] A kind of unmanned vending machine, please refer to Figure 4 to Figure 18 .
[0073] On the basis of Embodiment 1, this embodiment further provides a detailed implementation of each circuit of the unmanned vending machine. Figure 10 to Figure 18 Among them, the DC power supply VCC and GND are the output terminals of the power module in the explosion-proof box of the unmanned vending machine of the present invention, and the DC power supply ib-VCC and ib-GND are the output terminals of the energy-limiting circuit.
[0074] like Figure 4 The five signal transmitters installed on the upper surface of the middle monitoring board are all light-emitting diodes, and the five signal receivers installed on the lower surface are all photoelectric receiving diodes.
[0075] like Figure 10 As shown, the first signal transmitter is a light-emitting diode D1, and the first control circuit corresponding to the first signal transmitter includes a transistor Q1 and a resistor R4, t...
Embodiment 3
[0097] An unmanned vending machine, see Figure 14 and Figure 19 . like Figure 19 As shown, in this embodiment, two Figure 14 The energy-limiting circuit in the circuit is connected in series and then used as an energy-limiting circuit to enhance the reliability of the energy-limiting circuit. This circuit is designed in accordance with the ib explosion-proof requirements. By designing the energy-limiting circuit, the explosion-proof requirements are met.
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