CN204180047U - Connect the module of single-chip microcomputer and PLC experimental bench actuator - Google Patents
Connect the module of single-chip microcomputer and PLC experimental bench actuator Download PDFInfo
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- CN204180047U CN204180047U CN201420485925.5U CN201420485925U CN204180047U CN 204180047 U CN204180047 U CN 204180047U CN 201420485925 U CN201420485925 U CN 201420485925U CN 204180047 U CN204180047 U CN 204180047U
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- optocoupler
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Abstract
The utility model discloses the module connecting single-chip microcomputer and PLC experimental bench actuator, comprise banana bin group, isolation coupling drive circuit, socket.Described banana bin group comprises the first banana bin group and the second banana bin group, and described isolation coupling drive circuit comprises input photoelectric coupled circuit, exports photoelectric coupled circuit and export driving, and described socket comprises the first socket and the second socket.The utility model is interconnected by PLC experimental bench actuator-the utility model module-single chip circuit, can be implemented in single chip application experiment PLC experimental bench directly completing digital output modul aspect, eliminate actuator required in independent single-chip microcomputer application experiment equipment, overcome singlechip experimental box and development board connector durability is poor simultaneously, hold flimsy defect during experiment, have a good application prospect.
Description
Technical field
The utility model relates to a kind of module connecting single-chip microcomputer and PLC experimental bench actuator, particularly relates to a kind of practical circuit module in single chip computer experiment technical field, belongs to single chip computer experiment technical field.
Background technology
Single-chip microcomputer, also known as microcontroller, is an important branch of microcomputer.There is due to single-chip microcomputer the features such as function is strong, volume is little, good reliability, low price, applying flexible, be therefore widely used in the fields such as instrument and meter, household electrical appliance, Aero-Space.
The laboratory of current most of colleges and universities all adopts mutually that independently PLC application experiment platform and the kinds of experiments equipment such as single chip computer experiment application station or microcomputer development plate are tested.But there is some defects and deficiency in some single chip computer experiment equipment.Some singlechip experimental boxes are suitable only for and do some replication experiments, owing to lacking actuator, be difficult to digital output modul aspect single chip application experiment, also have some singlechip experimental boxes and microcomputer development board connector structure thin, durability is poor, is easy to damage when testing.
If design a kind of circuit module, make single chip circuit can by this module controls PLC experimental bench actuator, just can complete the single chip application experimental duties of digital output modul aspect, realize single chip circuit and PLC experimental bench sharing actuator, and it is thin to overcome connector structure while the single chip application experimental system that formation one is new, durability is poor, is easy to the shortcoming damaged during experiment.
Summary of the invention
The purpose of this utility model is to provide a kind of module connecting single-chip microcomputer and PLC experimental bench actuator, solves colleges and universities' single chip computer experiment equipment and lacks actuator, be difficult to the technical problem of related switch amount Control release.
The purpose of this utility model is achieved by the following technical programs: the module connecting single-chip microcomputer and PLC experimental bench actuator, it is characterized in that, comprise banana bin group (1), isolation coupling drive circuit (2) and socket (3).Wherein, described banana bin group (1) comprises the first banana bin group (4) and the second banana bin group (10), described isolation coupling drive circuit (2) comprises input photoelectric coupled circuit (5), exports photoelectric coupled circuit (8) and export driving (9), and described socket (3) comprises the first socket (6) and the second socket (7).
One end of first banana bin group (4) is connected with PLC experimental bench actuator, the other end is connected with the input of input photoelectric coupled circuit (5), the output of input photoelectric coupled circuit (5) is connected with the first socket (6) one end, and the other end of the first socket (6) is connected with single chip circuit input port.One end of second socket (7) is connected with single chip circuit output port, the other end is connected with the input exporting photoelectric coupled circuit (8), the output exporting photoelectric coupled circuit (8) drives the input of (9) to be connected with exporting, export and drive the output of (9) to be connected with one end of the second banana bin group (10), the other end of the second banana bin group (10) connects PLC experimental bench actuator.
The purpose of this utility model can also be realized further by following technical measures: described input photoelectric coupled circuit (5) comprises the first optocoupler U1 and the first resistance R1, and described first optocoupler U1 comprises the first LED 1 and the first phototriode BG1.Driving power VCC1 connects first resistance R1 one end of the first optocoupler U1, and the first resistance R1 other end connects the positive pole of first LED 1 of the first optocoupler U1, and the negative pole of the first LED 1 connects incoming level signal.First LED 1 and the first phototriode BG1 are encapsulated in the first optocoupler U1, first phototriode BG1 receives light that the first LED 1 sends and is converted to corresponding collector current, export collector current enters the first socket (6) one end as output signal, the first phototriode BG1 grounded emitter.
Described output photoelectric coupled circuit (8) comprises the second optocoupler U2 and the second resistance R2, the 3rd resistance R3, described output drives (9) to comprise triode VT1, fly-wheel diode VD1 and relay K 1, described second optocoupler U2 comprises the second LED 2 and the second phototriode BG2, and described relay K 1 comprises coil RC1 and contact R L1.+ 5V power supply connects second resistance R2 one end of the second optocoupler U2, and the second resistance R2 other end connects the positive pole of second LED 2 of the second optocoupler U2, and the negative pole of the second LED 2 connects incoming level signal.Second LED 2 and the second phototriode BG2 are encapsulated in the second optocoupler U2, the collector electrode of the second phototriode BG2 in the second optocoupler U2 connects one end of the 3rd resistance R3, another termination driving power VCC1 of the 3rd resistance R3, the emitter of the second phototriode BG2 in the second optocoupler U2 is connected with the base stage of triode VT1, triode VT1 grounded emitter, coil RC1 one end of the collector connecting relay K1 of triode VT1, another termination driving power of the coil RC1 of relay K 1 VCC1.The closed disconnection of the Current Control contact R L1 in the coil RC1 of relay K 1, one end of contact R L1 connects the second banana bin group (10), other end ground connection.Fly-wheel diode VD1 is connected in parallel on the coil RC1 two ends of relay K 1, and negative pole connects power supply, and positive pole connects triode VT1 collector electrode.
The module of aforementioned connection single-chip microcomputer and PLC experimental bench actuator, wherein said first banana bin group (4) and the second banana bin group (10) all at least comprise a banana bin, described input photoelectric coupled circuit (5), export photoelectric coupled circuit (8) and export drive (9) can parallel connection one or more optical couple isolation drive circuit, for controlling one or more PLC experimental bench actuators switching value simultaneously.
The module of aforementioned connection single-chip microcomputer and PLC experimental bench actuator, wherein said triode VT1 is NPN type triode.
Compared with prior art, the beneficial effects of the utility model are: eliminate actuator required in independent single-chip microcomputer application experiment equipment, achieve single chip application experiment and PLC application experiment sharing actuator, greatly reduce the construction cost in laboratory, improve the utilance of laboratory experiment equipment, decrease experimental facilities maintenance cost simultaneously.
Accompanying drawing explanation
Single-chip microcomputer and PLC experimental bench actuator are carried out by the utility model the structure chart that is connected by Fig. 1;
Fig. 2 is the circuit theory diagrams of the utility model embodiment input optocoupler;
Fig. 3 is the circuit theory diagrams that the utility model embodiment exports photoelectric coupled circuit and output driving circuit.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
In FIG, the module of the utility model connection single-chip microcomputer and PLC experimental bench actuator comprises banana bin group (1), isolation coupling drive circuit (2) and socket (3).Wherein, described banana bin group (1) comprises the first banana bin group (4) and the second banana bin group (10), described isolation coupling drive circuit (2) comprises input photoelectric coupled circuit (5), exports photoelectric coupled circuit (8) and export driving (9), and described socket (3) comprises the first socket (6) and the second socket (7).One end of first banana bin group (4) is connected with PLC experimental bench actuator, the other end is connected with the input of input photoelectric coupled circuit (5), the output of input photoelectric coupled circuit (5) is connected with the first socket (6) one end, and the other end of the first socket (6) is connected with single chip circuit input port.One end of second socket (7) is connected with single chip circuit output port, the other end is connected with the input exporting photoelectric coupled circuit (8), the output exporting photoelectric coupled circuit (8) drives the input of (9) to be connected with exporting, export and drive the output of (9) to be connected with one end of the second banana bin group (10), the other end of the second banana bin group (10) connects PLC experimental bench actuator.
In fig. 2, described input photoelectric coupled circuit (5) comprises the first optocoupler U1 and the first resistance R1, and described first optocoupler U1 comprises the first LED 1 and the first phototriode BG1.Driving power VCC1 connects first resistance R1 one end of the first optocoupler U1, and the first resistance R1 other end connects the positive pole of first LED 1 of the first optocoupler U1, and the negative pole of the first LED 1 connects incoming level signal.First LED 1 and the first phototriode BG1 are encapsulated in the first optocoupler U1, when the two ends of the first LED 1 add forward voltage, first LED 1 conducting is luminous, the power of light and current related by the first LED 1.The first phototriode BG1 in first optocoupler U1 receives light that the first LED 1 sends and is converted to corresponding collector current, export collector current enters the first socket (6) one end as output signal, the first phototriode BG1 other end ground connection.
In figure 3, described output photoelectric coupled circuit (8) comprises the second optocoupler U2 and the second resistance R2, the 3rd resistance R3, described output drives (9) to comprise NPN triode VT1, fly-wheel diode VD1 and relay K 1, described second optocoupler U2 comprises the second LED 2 and the second phototriode BG2, and described relay K 1 comprises coil RC1 and normally opened contact RL1.+ 5V power supply connects second resistance R2 one end of the second optocoupler U2, and the second resistance R2 other end connects the positive pole of second LED 2 of the second optocoupler U2, and the negative pole of the second LED 2 connects incoming level signal.Second LED 2 and the second phototriode BG2 are encapsulated in the second optocoupler U2.When the two ends of the second LED 2 add forward voltage, the second LED 2 conducting is luminous, the power of light and current related by the second LED 2.The collector electrode of the second phototriode BG2 in the second optocoupler U2 connects one end of the 3rd resistance R3, another termination driving power VCC1 of the 3rd resistance R3, the emitter of the second phototriode BG2 in the second optocoupler U2 is connected with the base stage of triode VT1, NPN triode VT1 grounded emitter.Coil RC1 one end of the collector connecting relay K1 of NPN triode VT1, another termination driving power of the coil RC1 of relay K 1 VCC1.When there being electric current by coil RC1, produce galvanomagnetic effect, the normally opened contact RL1 adhesive of relay K 1, during coil RC1 power-off, normally opened contact RL1 disconnects.One end of normally opened contact RL1 connects the second banana bin group (10), other end ground connection.Fly-wheel diode VD1 is connected in parallel on the coil RC1 two ends of relay K 1, and negative pole connects power supply, and positive pole connects NPN triode VT1 collector electrode, shields.
Operation principle of the present utility model is as follows: to control the single switch amount of PLC experimental bench actuator, and the state that the utility model module exports the contact R C1 state direct control PLC experimental bench actuator single switch amount driving (9) interior relay K 1 is example.When exporting the normally opened contact RC1 driving relay K 1 in (9) and disconnecting, the original levels signal sent to the utility model module by PLC experimental bench actuator enters input photoelectric coupled circuit (5) by the first banana bin group (4), input signal accesses from the negative pole of first LED 1 of the first optocoupler U1, by first socket (6) enters single-chip microcomputer P1.0 port after carrying out the isolation conversion of electrical-optical-electricity in the first optocoupler U1.The control program of single-chip microcomputer is after the signal receiving P1.0 port, high level is exported at P2.0 port by routine processes, the the second optocoupler U2 exporting photoelectric coupled circuit (8) is entered by the second socket (7), the signal conversion of electrical-optical-electricity is carried out in the second optocoupler U2, high level signal after conversion enters the NPN triode VT1 base stage exporting and drive (9), NPN triode VT1 saturation conduction, the coil RC1 energising conducting of relay K 1 simultaneously, produce galvanomagnetic effect, make the normally opened contact RL1 adhesive of relay K 1.
When the contact R C1 exporting relay K 1 in driving (9) closes, the original levels signal sent to the utility model module by PLC experimental bench actuator enters input photoelectric coupled circuit (5) by the first banana bin group (4), input signal accesses from the negative pole of first LED 1 of the first optocoupler U1, by first socket (6) enters single-chip microcomputer P1.0 port after carrying out the isolation conversion of electrical-optical-electricity in the first optocoupler U1.The control program of single-chip microcomputer is after the signal receiving P1.0 port, by routine processes in P2.0 port output low level, the the second optocoupler U2 exporting photoelectric coupled circuit (8) is entered by the second socket (7), the signal conversion of electrical-optical-electricity is carried out in the second optocoupler U2, low level signal after conversion enters the NPN triode VT1 base stage exporting and drive (9), NPN triode VT1 ends, in the coil RC1 of simultaneously relay K 1, no current passes through, without galvanomagnetic effect, the normally opened contact RL1 of relay K 1 is disconnected.
The course of work of actuator completes under the control of single-chip microcomputer control program.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (5)
1. connect the module of single-chip microcomputer and PLC experimental bench actuator, it is characterized in that, comprise banana bin group (1), isolation coupling drive circuit (2) and socket (3); Wherein, described banana bin group (1) comprises the first banana bin group (4) and the second banana bin group (10), described isolation coupling drive circuit (2) comprises input photoelectric coupled circuit (5), exports photoelectric coupled circuit (8) and export driving (9), and described socket (3) comprises the first socket (6) and the second socket (7); One end of first banana bin group (4) is connected with PLC experimental bench actuator, the other end is connected with the input of input photoelectric coupled circuit (5), the output of input photoelectric coupled circuit (5) is connected with the first socket (6) one end, and the other end of the first socket (6) is connected with single chip circuit input port; One end of second socket (7) is connected with single chip circuit output port, the other end is connected with the input exporting photoelectric coupled circuit (8), the output exporting photoelectric coupled circuit (8) drives the input of (9) to be connected with exporting, export and drive the output of (9) to be connected with one end of the second banana bin group (10), the other end of the second banana bin group (10) connects PLC experimental bench actuator.
2. the module of connection single-chip microcomputer according to claim 1 and PLC experimental bench actuator, it is characterized in that, described input photoelectric coupled circuit (5) comprises the first optocoupler U1 and the first resistance R1, and described first optocoupler U1 comprises the first LED 1 and the first phototriode BG1; Driving power VCC1 connects first resistance R1 one end of the first optocoupler U1, and the first resistance R1 other end connects the positive pole of first LED 1 of the first optocoupler U1, and the negative pole of the first LED 1 connects incoming level signal; First LED 1 and the first phototriode BG1 are encapsulated in the first optocoupler U1, first phototriode BG1 receives light that the first LED 1 sends and is converted to corresponding collector current, export collector current enters the first socket (6) one end as output signal, the first phototriode BG1 grounded emitter.
3. the module of connection single-chip microcomputer according to claim 1 and PLC experimental bench actuator, it is characterized in that, described output photoelectric coupled circuit (8) comprises the second optocoupler U2 and the second resistance R2, the 3rd resistance R3, described output drives (9) to comprise triode VT1, fly-wheel diode VD1 and relay K 1, described second optocoupler U2 comprises the second LED 2 and the second phototriode BG2, and described relay K 1 comprises coil RC1 and contact R L1; + 5V power supply connects second resistance R2 one end of the second optocoupler U2, and the second resistance R2 other end connects the positive pole of second LED 2 of the second optocoupler U2, and the negative pole of the second LED 2 connects incoming level signal; Second LED 2 and the second phototriode BG2 are encapsulated in the second optocoupler U2; The collector electrode of the second phototriode BG2 in the second optocoupler U2 connects one end of the 3rd resistance R3, another termination driving power VCC1 of the 3rd resistance R3, the emitter of the second phototriode BG2 in the second optocoupler U2 is connected with the base stage of triode VT1, triode VT1 grounded emitter; Coil RC1 one end of the collector connecting relay K1 of triode VT1, another termination driving power of the coil RC1 of relay K 1 VCC1; The closed disconnection of the Current Control contact R L1 in the coil RC1 of relay K 1; One end of contact R L1 connects the second banana bin group (10), other end ground connection; Fly-wheel diode VD1 is connected in parallel on the coil RC1 two ends of relay K 1, and negative pole connects power supply, and positive pole connects triode VT1 collector electrode.
4. the module of connection single-chip microcomputer according to claim 1 and PLC experimental bench actuator, it is characterized in that, described first banana bin group (4) and the second banana bin group (10) all at least comprise a banana bin, described input photoelectric coupled circuit (5), export photoelectric coupled circuit (8) and export drive (9) can parallel connection one or more optical couple isolation drive circuit, for controlling one or more PLC experimental bench actuators switching value simultaneously.
5. the module of connection single-chip microcomputer according to claim 3 and PLC experimental bench actuator, is characterized in that, described triode VT1 is NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485925.5U CN204180047U (en) | 2014-08-26 | 2014-08-26 | Connect the module of single-chip microcomputer and PLC experimental bench actuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485925.5U CN204180047U (en) | 2014-08-26 | 2014-08-26 | Connect the module of single-chip microcomputer and PLC experimental bench actuator |
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| CN204180047U true CN204180047U (en) | 2015-02-25 |
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| CN201420485925.5U Expired - Fee Related CN204180047U (en) | 2014-08-26 | 2014-08-26 | Connect the module of single-chip microcomputer and PLC experimental bench actuator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242911A (en) * | 2014-08-26 | 2014-12-24 | 镇江市高等专科学校 | Module connecting single chip microcomputer with PLC experiment table actuator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242911A (en) * | 2014-08-26 | 2014-12-24 | 镇江市高等专科学校 | Module connecting single chip microcomputer with PLC experiment table actuator |
| CN104242911B (en) * | 2014-08-26 | 2017-03-29 | 镇江市高等专科学校 | Connection single-chip microcomputer and the module of PLC laboratory table actuators |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20200826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |