CN205942343U - Automatic multichannel control circuit system of vending machine - Google Patents
Automatic multichannel control circuit system of vending machine Download PDFInfo
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- CN205942343U CN205942343U CN201620881457.2U CN201620881457U CN205942343U CN 205942343 U CN205942343 U CN 205942343U CN 201620881457 U CN201620881457 U CN 201620881457U CN 205942343 U CN205942343 U CN 205942343U
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- circuit
- vending machine
- chip microcomputer
- automatic vending
- control circuit
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Abstract
The utility model discloses an automatic multichannel control circuit system of vending machine, its characterized in that: including singlechip, first opto -coupler control circuit, second opto -coupler control circuit, output extension module and a plurality of motor, first opto -coupler control circuit includes a plurality of opto -coupler components and p ditch place where taoist rites are performed pipe, a plurality of opto -coupler components of second opto -coupler control circuit and n ditch place where taoist rites are performed pipe, the every way control signal output first opto -coupler control circuit of process or the second opto -coupler control circuit that come from the singlechip keep apart the back, carry out connecting and driving the more than one motor after the pin is expanded through output extension module.
Description
Technical field
The utility model is related to a kind of electric machines control technology, is particularly applied to the multi-motor control system of automatic vending machine
System.
Background technology
The large-scale terminal such as automatic vending machine often forms electric control mechanism by multiple motor combination and forms.For example exceed
Terminal of 100 motor compositions etc., existing scheme generally requires to become hierarchical structure just can complete to unify by multiple processor groups
Control it is difficult to just realize carrying out centralized Control to all motor arrays by a single-chip microcomputer.
Content of the invention
Main purpose of the present utility model is the multi-channel control Circuits System providing a kind of automatic vending machine, and it overcomes existing
The deficiency of technology, provides one kind just can carry out central controlled scheme to up to a hundred motors only by a single-chip microcomputer, and carries
Multi-channel control scheme for a kind of simple automatic vending machine of structure.
For achieving the above object, the utility model proposes automatic vending machine multi-channel control Circuits System, its feature exists
In:Including single-chip microcomputer, the first optocoupler control circuit, the second optocoupler control circuit, output expansion module and some motors;First light
Coupling control circuit includes some optic coupling elements and p-channel field pipe;Second optocoupler control circuit includes some optic coupling elements and n-channel
Field pipe;Every road control signal output from single-chip microcomputer is isolated through the first optocoupler control circuit or the second optocoupler control circuit
Afterwards, connect after output expansion module carries out pin extension and drive more than one motor.
Preferably, also include controlling feedback module, for gathering the position of automatic vending machine internal mechanism, temperature, electricity
Stream, one of voltage or more than one parameter simultaneously feed back to single-chip microcomputer;Single-chip microcomputer changes according to the feedback of feedback module processed
Control signal output to motor-end.
Preferably, described control feedback module includes sample circuit, temperature measurement circuit and feedback circuit, sampling electricity
Road, temperature measurement circuit and feedback circuit are connected with the input pin of single-chip microcomputer respectively.
Preferably, also include supply module, power for single-chip microcomputer and with single-chip simulation circuit part.
Preferably, described supply module includes the first supply module, for 24V voltage is sequentially passed through anti-reversed guarantor
Shield, overload protection, input to the input pin of power conversion chip after filter circuit filtering;Output via power conversion chip
Export stable 5V voltage after pin filter circuit, be that described single-chip microcomputer is powered.
Preferably, also include the second supply module, for powering to single-chip simulation circuit part.
Preferably, also include serial communication apart from intensifier circuit, in order to by the serial communication voltage increase of 5V to improve
Serial communication distance.
Preferably, also include crystal oscillator reset circuit to be used for producing clock frequency necessary to single-chip microcomputer and realize reset work(
Energy.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structured flowchart of system;
Fig. 2 is single-chip microcomputer wiring schematic diagram;
Fig. 3 is the first optocoupler control circuit structural representation;
Fig. 4 is the second optocoupler control circuit structural representation;
Fig. 5 is output expansion module structural representation;
Fig. 6 is the electrical block diagram of the first supply module;
Fig. 7 is the electrical block diagram of the second supply module;
Fig. 8 is crystal oscillator reset circuit structural representation;
Fig. 9 is the local circuit structural representation controlling feedback module;
Figure 10 is feedback circuit structural representation;
Figure 11 is temperature measurement circuit structural representation;
Figure 12 is serial communication apart from intensifier circuit structural representation.
The realization of the utility model purpose, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of the utility model protection.
It is to be appreciated that the directional instruction of institute in the utility model embodiment(Such as up, down, left, right, before and after ...)
It is only used for explaining in a certain particular pose(As shown in drawings)Under relative position relation between each part, motion conditions etc., such as
When really this particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, in the utility model only to be related to technical problem solution structure, composition proposal be described when,
For known necessary structure, part and annexation, although below do not describe, be not equal to and do not deposit in technical scheme
Insufficient disclosure reason less should become.
A kind of multi-channel control Circuits System of automatic vending machine, for unifying to the multiple motors on automatic vending machine
Control.With reference to Fig. 1, in certain embodiments, the multi-channel control Circuits System of automatic vending machine include single-chip microcomputer, supply module,
If crystal oscillator reset circuit, control feedback module, the first optocoupler control circuit, the second optocoupler control circuit, output expansion module and
Dry motor.Wherein, supply module includes the first supply module and the second supply module, is respectively used to as single-chip microcomputer and and single-chip microcomputer
Artificial circuit part is powered.Crystal oscillator reset circuit is used for producing clock frequency necessary to single-chip microcomputer and realizes reset function.Control
Feedback module processed is used for one of input position, temperature, electric current, voltage sampling or more than one parameter feedback, in order to reality
Existing Automated condtrol.First optocoupler control circuit and the second optocoupler control circuit are used for by optic coupling element, will be from single-chip microcomputer
Input isolate with to the output of motor, the circuit of single-chip microcomputer is protected simultaneously.Module is expanded in output, for by the
One optocoupler control circuit output pin is extended, to connect and to control more motors, meeting automatic vending machine or similar relating to
And the demand for control to multiple electric operators.In certain embodiments, the multi-channel control Circuits System of automatic vending machine is also
There is serial communication apart from intensifier circuit, to solve the problems, such as serial communication such as RS232 serial communication apart from short, meet large-scale from
The wiring connection requirement of dynamic vending machine.
With reference to Fig. 2, in one embodiment, single-chip microcomputer adopts Atmega16A-AU, the PC0-PC7 of single-chip microcomputer, PA4-PA7
Pin connects respectively and controls the first optocoupler control circuit, and PB0-PB7, PD4-PD7 pin connects respectively and controls the second optocoupler
Control circuit.And PD0-PD2 pin connects serial communication respectively apart from intensifier circuit, to realize RS232 serial communication.PA0-
PA3 is used for connecting control feedback module, and position, temperature, electric current, voltage parameter are acquired and feed back input.Single-chip microcomputer
5th pin connects the first supply module, to obtain the power supply of single-chip microcomputer itself need of work.The AREF pin of single-chip microcomputer is used for
Connect the second supply module to power for single-chip simulation circuit part.
With reference to Fig. 3, the first optocoupler control circuit is combined by multiple optic coupling elements and p-channel field pipe, in some enforcements
In example, optic coupling element and p-channel field pipe have 12 respectively.Wherein, the PC0-PC7 of single-chip microcomputer, PA4-PA7 pin connects respectively
With control U5-U16 optic coupling element.Optic coupling element can select 817C model, and p-channel field pipe can be chosen as 9958P model.Light
One-to-one connection is managed in coupling element and p-channel field.U5-U16 connects respectively and controls U35-U40 p-channel field to manage(Note U35-U40,
Each is respectively provided with 2 p-channel field pipes).Optic coupling element is connected with p-channel field my humble opinion the resistance of a 10K(As R27-R38)With
Current limliting simultaneously obtains the power supply required for the management and control system of p-channel field.The output of p-channel field pipe connects output expansion module, and then exports
And control motor.
With reference to Fig. 4, the second optocoupler control circuit is combined by multiple optic coupling elements and n-channel field pipe, in some enforcements
In example, optic coupling element and n-channel field pipe have 12 respectively.Wherein, the PB0-PB7 of single-chip microcomputer, PD4-PD7 pin connects respectively
With control U17-U28 optic coupling element.Optic coupling element can select 817C model, and n-channel field pipe can be chosen as 9945N model.
One-to-one connection is managed in optic coupling element and n-channel field.U17-U28 connects respectively and controls U29-U34 n-channel field to manage(Note U29-
U34, each is respectively provided with 2 n-channel field pipes).Optic coupling element is connected with n-channel field my humble opinion the resistance of a 10K(As R27-
R38)With current limliting and obtain the power supply required for the management and control system of n-channel field.The output of n-channel field pipe connects output expansion module, enters
And export and control motor.
With reference to Fig. 5, the output of the first optocoupler control circuit and the second optocoupler control circuit connects output expanded mode respectively
Block.Connect more motors through output expansion module.Wherein, wiring as shown in FIG., in certain embodiment, exports expanded mode
Block is made up of some pin expandable elements, and the first optocoupler control circuit exports corresponding one with every road of the second optocoupler control circuit
Pin expandable element.Wherein, 12 road p-channel field pipe outputs of the first optocoupler control circuit and 12 tunnels of the second optocoupler control circuit
The pipe output of n-channel field forms motor connection terminal array, can connect and control up to 144 motors.Real with a single-chip microcomputer
The centralized Control of existing 144 motors, to meet a large amount of Electronic control executing agencies demand of automatic vending machine, reduces whole system
Cost, also improves the unified cooperation performance of automatic vending machine each unit simultaneously.
With reference to Fig. 6, for the circuit structure scheme of certain embodiment first supply module.U0 is Power convert IC, and it adopts
It is to prevent reversed protection that L78M05,24V voltage sequentially passes through D0 M7, after F0 insures for 2A overload protection, circuit filter after filtering
Input after ripple to the input pin of L78M05.24V voltage is after Power convert IC conversion by connection and Power convert IC output
Export stable 5V voltage after the filter circuit of pin, be that single-chip microcomputer is powered.In addition, in order to improve filter effect, the ground connection of U0
End connection is filtered further by the filter circuit that electric capacity C26 and C27 is constituted.So, can not only provide for single-chip microcomputer and meet the requirements
Power voltage supply, more improve voltage stability, and then improve whole control system reliability.
With reference to Fig. 7, for the circuit structure scheme of the second supply module of certain embodiment.C11 and C12 is simultaneously unified into electric capacity pair,
Then C11 and C12 be unified into electric capacity to rear, two electric capacity between series inductance L1 constitute filter circuit, the power supply of 5V passes through
Power to single-chip simulation circuit part after this filter circuit and electric capacity C1.
With reference to Fig. 8, for the crystal oscillator reset circuit organization plan of certain embodiment.Two electric capacity C10 and C9 form crystal oscillator with crystal oscillator
Loop;The power supply of 5V accesses single-chip microcomputer after the reset circuit of resistance and diodes in parallel;The resistance composition sampling of four 1R
Circuit, reset circuit is connected in earth terminal with crystal oscillator loop and sample circuit jointly by electric capacity C8.
With reference to Fig. 9, for the local circuit structure of the control feedback module of certain embodiment, for being filtered to sampling voltage
Amplify, also high current sampling.Corresponding pin is connected with single-chip microcomputer.
With reference to Figure 10, for the feedback circuit structure of certain embodiment, U4 is optic coupling element, and PA3I receives position signalling
High level, the PA3 of single-chip microcomputer just receives high level.
With reference to Figure 11, for the temperature measurement circuit structure of certain embodiment, for being monitored to the local temperature of automatic vending machine.
With reference to Figure 12, for certain embodiment serial communication apart from intensifier circuit structure, by the 5V that will power to single-chip microcomputer
Voltage is lifted.To solve the problems, such as that serial communication such as RS232 serial communication, apart from short, meets the cloth of large-scale automatic vending machine
Line connection requirement.
These are only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Under inventive concept of the present utility model, the equivalent structure transformation made using the utility model specification and accompanying drawing content, or
Directly/be indirectly used in other related technical fields and be included in scope of patent protection of the present utility model.
Claims (8)
1. a kind of automatic vending machine multi-channel control Circuits System it is characterised in that:Control electricity including single-chip microcomputer, the first optocoupler
Road, the second optocoupler control circuit, output expansion module and some motors;First optocoupler control circuit include some optic coupling elements and
P-channel field is managed;Second optocoupler control circuit includes some optic coupling elements and n-channel field pipe;Every road from single-chip microcomputer controls letter
Number output, after the first optocoupler control circuit or the second optocoupler control circuit are isolated, carries out pin expansion through output expansion module
Connect and drive more than one motor after exhibition.
2. the multi-channel control Circuits System of automatic vending machine as claimed in claim 1 is it is characterised in that also include controlling feedback
Module, for gathering one of the position of automatic vending machine internal mechanism, temperature, electric current, voltage or more than one parameter
And feed back to single-chip microcomputer;Single-chip microcomputer exports to the control signal of motor-end according to the feedback change of feedback module processed.
3. the multi-channel control Circuits System of automatic vending machine as claimed in claim 2 is it is characterised in that described control is fed back
Module includes sample circuit, temperature measurement circuit and feedback circuit, sample circuit, temperature measurement circuit and feedback circuit respectively with
The input pin of single-chip microcomputer connects.
4. the multi-channel control Circuits System of described automatic vending machine as arbitrary in claims 1 to 3 is it is characterised in that also include
Supply module, powers for single-chip microcomputer and with single-chip simulation circuit part.
5. the multi-channel control Circuits System of automatic vending machine as claimed in claim 4 is it is characterised in that described supply module
Including the first supply module, for 24V voltage is sequentially passed through anti-reversed protection, overload protection, input after filter circuit filtering
Input pin to power conversion chip;Electric via exporting stable 5V after the output pin filter circuit of power conversion chip
Pressure, is that described single-chip microcomputer is powered.
6. the multi-channel control Circuits System of automatic vending machine as claimed in claim 5 is it is characterised in that also include the second power supply
Module, for powering to single-chip simulation circuit part.
7. the multi-channel control Circuits System of automatic vending machine as claimed in claim 1 is it is characterised in that also include serial communication
Apart from intensifier circuit, in order to by the serial communication voltage increase of 5V to improve serial communication distance.
8. the multi-channel control Circuits System of automatic vending machine as claimed in claim 1 resets it is characterised in that also including crystal oscillator
Circuit is used for producing clock frequency necessary to single-chip microcomputer and realizes reset function.
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CN201620881457.2U CN205942343U (en) | 2016-08-16 | 2016-08-16 | Automatic multichannel control circuit system of vending machine |
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CN201620881457.2U CN205942343U (en) | 2016-08-16 | 2016-08-16 | Automatic multichannel control circuit system of vending machine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106444473A (en) * | 2016-08-16 | 2017-02-22 | 中山微宇电器科技有限公司 | Multi-path control circuit system for vending machines |
CN106950878A (en) * | 2017-03-29 | 2017-07-14 | 龙志斌 | A kind of control module of automatic chopstick taking machine |
-
2016
- 2016-08-16 CN CN201620881457.2U patent/CN205942343U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106444473A (en) * | 2016-08-16 | 2017-02-22 | 中山微宇电器科技有限公司 | Multi-path control circuit system for vending machines |
CN106950878A (en) * | 2017-03-29 | 2017-07-14 | 龙志斌 | A kind of control module of automatic chopstick taking machine |
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