CN207623728U - A kind of automatic vending machine direction Control System - Google Patents
A kind of automatic vending machine direction Control System Download PDFInfo
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- CN207623728U CN207623728U CN201721666915.1U CN201721666915U CN207623728U CN 207623728 U CN207623728 U CN 207623728U CN 201721666915 U CN201721666915 U CN 201721666915U CN 207623728 U CN207623728 U CN 207623728U
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Abstract
The utility model discloses a kind of automatic vending machine direction Control Systems, including master board and at least one drive control plate, main control MCU is provided in master board, drive control MCU is provided in drive control plate, the main control MCU is connected by both threads road with drive control MCU, for communicating and powering；The main control MCU is connected by metal-oxide-semiconductor Q1 with drive control MCU, and the voltage for controlling the both ends drive control MCU by the break-make of metal-oxide-semiconductor Q1 gives drive control MCU come transmission level signal；It is connected with triode Q3, inductance L2 and demodulator circuit between the drive control MCU and main control MCU in turn, drive control MCU sends the pulse signal for the certain frequency modulated with data by triode Q3, the inductance L2 is used to induce the waveform of same frequency, and the demodulator circuit is used to be sent to main control MCU after demodulating the modulated signal that inductance L2 is induced.Circuit and component cost can be reduced using the control system of this automatic vending machine.
Description
Technical field
The utility model is related to vending machine fields, are specifically related to a kind of automatic vending machine direction Control System.
Background technology
Needed between conventional automatic vending machine master board and drive control plate in the market 2 power cords power supplies of connection and
The communication of 2 485 signal wires, thus needs 4 lines, in automatic vending machine generally using many motors control cargos into
Go out, each motor is connected by four lines with master board, causes the dense complexity of internal wiring, cost very high.
Utility model content
In order to solve the above-mentioned technical problem, it is double to be to provide a kind of automatic vending machine reducing cost for the purpose of this utility model
To control system.
The technical solution adopted in the utility model is：
A kind of automatic vending machine direction Control System, including master board and at least one drive control plate, master board
On be provided with main control MCU, be provided with drive control MCU in drive control plate, the master board passes through both threads and driving
Control panel is connected, for communicating and powering；Main control MCU is provided with output end and receiving terminal, the drive control MCU settings
There are test side and feedback end；
Metal-oxide-semiconductor Q1 is provided between main control MCU and drive control MCU, the output end of main control MCU is with metal-oxide-semiconductor Q1's
Grid G is connected, and the source S of metal-oxide-semiconductor Q1 is connected by a line with the test side of drive control MCU, the drain electrode of the metal-oxide-semiconductor Q1
D connection high-voltage power supplies, source S connect low voltage power supply, and driving is controlled by the break-make of metal-oxide-semiconductor Q1 for main control MCU
The voltage of the test sides control MCU carrys out transmission level signal and gives driving control MCU；
Three poles are connected in turn by another line between the feedback end and the receiving terminal of main control MCU of drive control MCU
Pipe Q3, inductance L2 and demodulator circuit, the pulse that drive control MCU sends the certain frequency modulated with data by triode Q3 are believed
Number, the inductance L2 is used to induce the waveform of same frequency, and the modulation that the demodulator circuit is used to inductance L2 induce is believed
It is sent to the receiving terminal of main control MCU after number demodulation.
Further, it is also associated with and is used between the source S of the metal-oxide-semiconductor Q1 and the test side of drive control MCU (21)
The resistance R1 and R2 of partial pressure, the capacitance C1 for filtering, diode D1, the resistance R1 and R2 for protection are connected on MOS
Between the source S and ground terminal of pipe Q1, capacitance C1 diodes D1 is in parallel with resistance R2, and the test side of drive control MCU (21) connects
It is connected between resistance R1 and resistance R2, for the voltage of the test side detection metal-oxide-semiconductor Q1 outputs of drive control MCU (21).
Further, the metal-oxide-semiconductor Q1, inductance L2 and demodulator circuit are installed in master board.
Further, the triode Q3 is mounted in drive control plate, the quantity of triode Q3 and drive control plate
Quantity is consistent.
Further, the drive control plate uses motor control panel or magnet control plate.
The beneficial effects of the utility model：
The utility model is provided only with two power cords between master board and drive control plate, and all signal transmissions are equal
It is completed by 2 power cords, eliminates the problem of also needing to additional connection signal line, not only saved cost but also reduced vending machine
The dense degree of interior circuit.
Then, the order of main control MCU is sent to by drive control MCU, drive control by low and high level code communication
MCU sends pulse signal by triode Q3, and the inductance L2 inductions in master board generate the waveform of respective frequencies, then pass through
The drive control MCU signals sent are fed back to main control MCU by demodulator circuit, therefore only need that demodulation is arranged in master board
Circuit further reduces cost without installing modem in each drive control plate.
Description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings；
Fig. 1 is the circuit diagram of the utility model master board；
Fig. 2 is the circuit diagram of the utility model drive control plate.
Specific implementation mode
Such as the automatic vending machine direction Control System that Fig. 1-Fig. 2 is the utility model, including master board 1 and at least one
Drive control plate 2, drive control plate 2 is one such or a variety of using motor control panel or magnet control plate, main control
It is provided with main control MCU11 on plate 1, drive control MCU21, the terminal 13,14 of master board 1 are provided in drive control plate 2
It is connected with the terminal 23,24 of drive control plate 2 by both threads road, for communicating and powering, wherein terminal 13 and terminal 23
It is connected, terminal 14 is connected with terminal 24；
Main control MCU11 gives drive control MCU21, drive control MCU21 to pass through another by a line transmission level signal
One line feedback modulation solution is tone coded to give main control MCU11.
First, metal-oxide-semiconductor Q1, inductance L2 and demodulator circuit 12, metal-oxide-semiconductor Q1, inductance L2 and demodulation are provided in master board 1
The quantity of circuit 12 is unique, and metal-oxide-semiconductor Q1 is provided between main control MCU11 and drive control MCU21, and main control MCU11's is defeated
Outlet is connected with the grid G of metal-oxide-semiconductor Q1, and the source S of metal-oxide-semiconductor Q1 is connected by a line with the test side of drive control MCU21,
The drain D of metal-oxide-semiconductor Q1 connects 24V high-voltage power supplies, and source S connects 20V low voltage power supply, and drive control MCU21 is Width funtion
Design, can work normally in low and high level, and when Q1 is not turned on, the voltage of drive control MCU21 is 20V, when Q1 is connected
When drive control MCU21 voltages be 24V, 24V voltages represent binary one, and 20V voltages represent Binary Zero, therefore main control
The output end of MCU11 by the break-make of metal-oxide-semiconductor Q1 come transmission level signal to the test side of drive control MCU21, metal-oxide-semiconductor Q1's
Resistance R1 and R2 for partial pressure are also associated between source S and the test side of drive control MCU21, for the capacitance of filtering
C1, the diode D1 for protection, the resistance R1 and R2 are connected between the source S and ground terminal of metal-oxide-semiconductor Q1, capacitance C1 bis-
Pole pipe D1 is in parallel with resistance R2, and the test side of drive control MCU21 is connected between resistance R1 and resistance R2, is controlled for driving
The voltage of metal-oxide-semiconductor Q1 outputs is detected in the test side of MCU21 processed, and the AD converter detection low and high level in drive control MCU21 is simultaneously
Digital signal is resolved to, drive control MCU21 carries address；
Then, triode Q3, the quantity of triode Q3 and the quantity one of drive control plate 2 are provided in drive control plate 2
It causes, is connected with triode Q3, inductance L2 and demodulator circuit 12, driving control between drive control MCU21 and main control MCU11 in turn
MCU21 processed sends the pulse signal for the certain frequency modulated with data by triode Q3, and inductance L2 is for inducing same frequency
The waveform of rate, demodulator circuit 12 are used to be sent to main control MCU11 after demodulating the modulated signal that inductance L2 is induced.
The workflow of the utility model is：
Main control MCU11 controls the voltage at drive control MCU21 both ends by controlling the break-make of Q1, high voltage represent two into
System 1, low-voltage represents Binary Zero, and level signal is converted to digital signal by the AD conversion module in drive control MCU21, main
It controls the signal that MCU11 is sent and carries address information, the drive control MCU21 of corresponding address receives order and controls motor and holds
Then row sends the pulse of certain frequency, in master board 1 and drive control plate 2 by the triode Q3 in drive control plate 2
Circuit inside generate current fluctuation, the L2 in master board 1 induces the waveform of same frequency, and then demodulator circuit 12 is number
Main control MCU11 is given according to demodulating, completes both-way communication.
The utility model is provided only with two power cords, all signal transmissions between master board 1 and drive control plate 2
It is completed by 2 power cords, eliminates the problem of also needing to additional connection signal line, not only saved cost but also reduced and sold goods
The dense degree of circuit in machine；
Then, the order of main control MCU11 is sent to by drive control MCU21 by low and high level code communication, driven
It controlling MCU21 and pulse signal is sent by triode Q3, the inductance L2 inductions in master board 1 generate the waveform of respective frequencies,
Then the drive control MCU21 signals sent are fed back to by main control MCU11 by demodulator circuit 12, therefore only needed in master control
Demodulator circuit 12 is arranged in making sheet 1 further to be reduced without installing modem in each drive control plate 2
Cost.
The foregoing is merely the preferred embodiments of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the technical solution of the utility model aim belong to the scope of protection of the utility model it
It is interior.
Claims (5)
1. a kind of automatic vending machine direction Control System, including master board (1) and at least one drive control plate (2), master control
It is provided with main control MCU (11) in making sheet (1), drive control MCU (21) is provided in drive control plate (2), it is characterised in that：
The master board (1) is connected by both threads with drive control plate (2), for communicating and powering；Main control MCU (11) is set
It is equipped with output end and receiving terminal, the drive control MCU (21) is provided with test side and feedback end；
Be provided with metal-oxide-semiconductor Q1 between main control MCU (11) and drive control MCU (21), the output end of main control MCU (11) with
The grid G of metal-oxide-semiconductor Q1 is connected, and the source S of metal-oxide-semiconductor Q1 is connected by a line with the test side of drive control MCU (21), described
The drain D of metal-oxide-semiconductor Q1 connects high-voltage power supply, and source S connects low voltage power supply, passes through metal-oxide-semiconductor for main control MCU (11)
The voltage of break-make control drive control MCU (21) test side of Q1 carrys out transmission level signal to driving control MCU (21)；
It is connected in turn by another line between the feedback end and the receiving terminal of main control MCU (11) of drive control MCU (21)
Triode Q3, inductance L2 and demodulator circuit (12), drive control MCU (21) send the pulse modulated with data by triode Q3
Signal, the inductance L2 are used to induce the waveform of same frequency, what the demodulator circuit (12) was used to inductance L2 induce
The receiving terminal of (11) main control MCU is sent to after modulated signal demodulation.
2. automatic vending machine direction Control System according to claim 1, it is characterised in that：The source S of the metal-oxide-semiconductor Q1
It is also associated with the resistance R1 and R2 for partial pressure between the test side of drive control MCU (21), the capacitance C1 for filtering, uses
In the diode D1 of protection, the resistance R1 and R2 is connected between the source S and ground terminal of metal-oxide-semiconductor Q1, capacitance C1 diodes
D1 is in parallel with resistance R2, and the test side of drive control MCU (21) is connected between resistance R1 and resistance R2, for drive control
The voltage of the test side detection metal-oxide-semiconductor Q1 outputs of MCU (21).
3. automatic vending machine direction Control System according to claim 1, it is characterised in that：The metal-oxide-semiconductor Q1, inductance L2
It is installed in master board (1) with demodulator circuit (12).
4. automatic vending machine direction Control System according to claim 1, it is characterised in that：The triode Q3 is mounted on
In drive control plate (2), the quantity of triode Q3 is consistent with the quantity of drive control plate (2).
5. automatic vending machine direction Control System according to claim 1, it is characterised in that：The drive control plate (2)
Using motor control panel or magnet control plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666915.1U CN207623728U (en) | 2017-12-04 | 2017-12-04 | A kind of automatic vending machine direction Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666915.1U CN207623728U (en) | 2017-12-04 | 2017-12-04 | A kind of automatic vending machine direction Control System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623728U true CN207623728U (en) | 2018-07-17 |
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ID=62825268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721666915.1U Active CN207623728U (en) | 2017-12-04 | 2017-12-04 | A kind of automatic vending machine direction Control System |
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| Country | Link |
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| CN (1) | CN207623728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335413A (en) * | 2019-08-21 | 2019-10-15 | 北京快方科技有限公司 | A kind of control system and vending machine |
| CN114794949A (en) * | 2022-04-07 | 2022-07-29 | 宁波吉田智能洁具科技有限公司 | Seat ring heating control system and control method of intelligent toilet with detachable seat ring |
-
2017
- 2017-12-04 CN CN201721666915.1U patent/CN207623728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335413A (en) * | 2019-08-21 | 2019-10-15 | 北京快方科技有限公司 | A kind of control system and vending machine |
| CN114794949A (en) * | 2022-04-07 | 2022-07-29 | 宁波吉田智能洁具科技有限公司 | Seat ring heating control system and control method of intelligent toilet with detachable seat ring |
| CN114794949B (en) * | 2022-04-07 | 2024-03-22 | 宁波吉田智能洁具科技有限公司 | Seat ring heating control system and control method of intelligent toilet with detachable seat ring |
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