CN207908917U - Control circuit and control system - Google Patents
Control circuit and control system Download PDFInfo
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- CN207908917U CN207908917U CN201820251109.6U CN201820251109U CN207908917U CN 207908917 U CN207908917 U CN 207908917U CN 201820251109 U CN201820251109 U CN 201820251109U CN 207908917 U CN207908917 U CN 207908917U
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Abstract
Control circuit and control system provided by the utility model, are related to control technology field.Wherein, control circuit includes：First phototube coupling unit, the input terminal of first phototube coupling unit and the output end of sensor connect；Arm processor, which is 32, and input terminal is connect with the output end of the first phototube coupling unit；Second phototube coupling unit, the input terminal of second phototube coupling unit and the output end of arm processor connect；Switch unit, whether the control terminal of the switch unit is connect with the output end of the second phototube coupling unit, input terminal and power supply connect, output end is connect with the power end of control equipment to be controlled, be powered to control equipment to be controlled with the electric signal control power supply exported according to the second phototube coupling unit.By above-mentioned setting, can improve in the prior art because processor is easy there is a problem of that control accuracy is low by the influence of external devices.
Description
Technical field
The utility model is related to control technology fields, in particular to a kind of control circuit and control system.
Background technology
With the continuous development of control technology, application range constantly extends.Wherein, in the industrial production, control device
Or processor needs are treated control device according to the signal detected and are controlled.Inventor it has been investigated that, in the prior art
It there is a problem that the control accuracy for treating control device is low.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of control circuit and control system, to improve existing skill
There is a problem of that control accuracy is low because processor is easy the due to of being influenced by external devices in art.
To achieve the above object, the utility model embodiment adopts the following technical scheme that：
A kind of control circuit, including：
First phototube coupling unit, the input terminal of first phototube coupling unit and the output end of sensor connect, to connect
Receive the electric signal that the sensor sensing external signal generates；
Arm processor, the arm processor are 32, and input terminal and the output end of first phototube coupling unit connect
It connects, to receive the electric signal of the first phototube coupling unit output and be handled；
Second phototube coupling unit, the input terminal of second phototube coupling unit and the output end of the arm processor connect
It connects, to receive the electric signal that the arm processor is exported according to handling result；
Switch unit, the control terminal of the switch unit connect with the output end of second phototube coupling unit, input terminal
Connect with power supply, output end is connect with the power end of control equipment to be controlled, with according to second phototube coupling unit export
Electric signal control whether the power supply is powered to the control equipment to be controlled.
In the utility model embodiment preferably selects, in above-mentioned control circuit, second phototube coupling unit
Including：
First light emitting diode, the anode and the output end connection of arm processor, cathode of first light emitting diode connect
Ground；
Triode, the hot end of the triode connect with driving power, the control of cold end and the switch unit
End connection, wherein when the base stage of the triode receives the light that first light emitting diode is sent out, hot end and low electricity
Position is connected between end；
First protective resistance, one end of first protective resistance connect with the cold end of the triode, another termination
Ground.
In the utility model embodiment preferably selects, in above-mentioned control circuit, second phototube coupling unit
Further include：
Rotatable parts, the rotatable parts are set between first light emitting diode and the triode, and being capable of edge
Close and separate relative position movement between first light emitting diode and the triode, to turn to described first
When relative position between light emitting diode and the triode, separate between first light emitting diode and the triode
Light path.
In the utility model embodiment preferably selects, in above-mentioned control circuit, second phototube coupling unit
Further include：
Zener diode, the cathode of the zener diode connect with the hot end of the triode, plus earth.
In the utility model embodiment preferably selects, in above-mentioned control circuit, second phototube coupling unit
Further include：
Second light emitting diode, the anode of second light emitting diode connect second protective resistance not with the voltage stabilizing
One end of diode connection, so that second protective resistance is grounded by second light emitting diode.
In the utility model embodiment preferably selects, in above-mentioned control circuit, second phototube coupling unit
Further include：
Buzzer, the buzzer anode connect with the anode of second light emitting diode, minus earth.
In the utility model embodiment preferably selects, in above-mentioned control circuit, second phototube coupling unit
Further include：
One end of second protective resistance, second protective resistance connects the hot end of the triode, the other end and institute
Driving power connection is stated, so that the hot end of the triode is connected by second protective resistance and the driving power
It connects.
In the utility model embodiment preferably selects, in above-mentioned control circuit, second phototube coupling unit
Further include：
Filter capacitor, one end of the filter capacitor is connect with the hot end of the triode, the other end is grounded.
In the utility model embodiment preferably selects, in above-mentioned control circuit, the switch unit includes relay
Device, triode, mos field effect transistor, thyristor, silicon carbide transistor, gallium nitride transistor, high electricity
Transport factor transistor or insulated gate bipolar transistor.
The utility model embodiment additionally provides a kind of control system, including control circuit, sensor, power supply and
Control equipment to be controlled, wherein the control circuit includes：
First phototube coupling unit, the input terminal of first phototube coupling unit are connect with the output end of the sensor,
To receive the electric signal that the sensor sensing external signal generates；
Arm processor, the arm processor are 32, and input terminal and the output end of first phototube coupling unit connect
It connects, to receive the electric signal of the first phototube coupling unit output and be handled；
Second phototube coupling unit, the input terminal of second phototube coupling unit and the output end of the arm processor connect
It connects, to receive the electric signal that the arm processor is exported according to handling result；
Switch unit, the control terminal of the switch unit connect with the output end of second phototube coupling unit, input terminal
Connect with the power supply, output end is connect with the power end of the control equipment to be controlled, with according to second Phototube Coupling
The electric signal of unit output controls whether the power supply is powered to the control equipment to be controlled.
Control circuit and control system provided by the utility model are set respectively by the input side and outlet side in processor
The first phototube coupling unit and the second phototube coupling unit are set, it is possible to prevente effectively from processor is by sensor and control equipment to be controlled
Interference, and then improve and asked due to processor is easy to be influenced by external devices there are control accuracy is low in the prior art
Topic, greatly improves the reliability of control circuit and control system.
Further, by the way that rotatable parts are arranged, can separate between the first light emitting diode and the base stage of triode
Light path is difficult to safely, effectively stop treating the problem of control device is powered when breaking down to avoid processor, into one
Improve to step the reliability of control circuit and control system.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
Fig. 1 is the structure diagram for the control system that the utility model embodiment provides.
Fig. 2 is the structure diagram for the control circuit that the utility model embodiment provides.
Fig. 3 is the circuit diagram for the second phototube coupling unit that the utility model embodiment provides.
Fig. 4 is the structural schematic diagram for the second phototube coupling unit that the utility model embodiment provides.
Icon：10- control systems；100- control circuits；The first phototube coupling units of 110-；130-ARM processors；150-
Second phototube coupling unit；151- rotatable parts；The first light emitting diodes of D1-；The second light emitting diodes of D2-；Two pole of D3- voltage stabilizings
Pipe；Q- triodes；The first protective resistances of R1-；The second protective resistances of R2-；H- buzzers；C- filter capacitors；170- switch units；
200- sensors；300- power supplies；400- control equipments to be controlled.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the foregoing description of the utility model, it should be noted that the orientation of the instructions such as term " side ", " other side "
Or position relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
As shown in Figure 1, the utility model embodiment provides a kind of control system 10, including control circuit 100, sensor
200, power supply 300 and control equipment to be controlled 400.
Wherein, the control circuit 100 is distinguished with the sensor 200, power supply 300 and control equipment to be controlled 400
Connection, with the signal control power supply 300 that incude according to the sensor 200 whether to the control equipment 400 to be controlled
It is powered, to drive the control equipment to be controlled 400 to work.
Optionally, the type of the sensor 200 is unrestricted, can be selected according to practical application request, for example,
May include, but be not limited to temperature sensor, velocity sensor, humidity sensor, smoke sensor device etc..
Optionally, the type of the control equipment to be controlled 400 is unrestricted, can be selected according to practical application request,
For example, may include, but be not limited to motor, motor-driven valve and other electronic equipments etc..
Optionally, the voltage value of the power supply 300 is unrestricted, can be selected according to practical application request,
For example, may include, but be not limited to 5V, 12V, 36V, 220V and 380V etc..
In conjunction with Fig. 2, the present embodiment also provides a kind of control circuit 100 can be applied to above-mentioned control system 10.Wherein, institute
It includes the first phototube coupling unit 110, arm processor 130, the second phototube coupling unit 150 and switch to state control circuit 100
Unit 170.
Wherein, the input terminal of first phototube coupling unit 110 is connect with the output end of sensor 200, to receive
It states sensor 200 and incudes the electric signal that external signal generates.The input terminal of the arm processor 130 and first photoelectricity every
Output end connection from unit 110, to receive the electric signal of the output of the first phototube coupling unit 110 and be handled.Institute
The input terminal for stating the second phototube coupling unit 150 is connect with the output end of the arm processor 130, to receive the ARM processing
The electric signal that device 130 is exported according to handling result.The control terminal of the switch unit 170 and second phototube coupling unit
150 output end connection, input terminal and power supply 300 connects, output end is connect with the power end of control equipment 400 to be controlled, with
Control whether the power supply 300 to be controlled sets up to described according to the electric signal of second phototube coupling unit 150 output
Standby 400 are powered.
Also, the arm processor 130 can be 32, to realize the telecommunications for quickly reading the output of the sensor 200
Number, and processing rapidly is carried out to the electric signal and the control equipment 400 to be controlled is controlled according to handling result.
Optionally, the type and quantity for the electrical equipment that first phototube coupling unit 110 includes are unrestricted, can be with
It is configured according to actual demand, for example, may include, but is not limited to the electrical equipments such as optocoupler, resistance, capacitance.
Optionally, the type and quantity for the electrical equipment that second phototube coupling unit 150 includes are unrestricted, can be with
It is configured according to actual demand.In the present embodiment, in conjunction with Fig. 3, second phototube coupling unit 150 may include first
Light emitting diode D1, triode Q and the first protective resistance R1.
Wherein, the anode of the first light emitting diode D1 connect with the output end of arm processor 130, minus earth.Institute
The hot end for stating triode Q is connect with driving power, cold end is connect with the control terminal of the switch unit 170, wherein
When the base stage of the triode Q receives the light that the first light emitting diode D1 is sent out, between hot end and cold end
Conducting.One end of the first protective resistance R1 is connect with the cold end of the triode Q, the other end is grounded.
Optionally, the type of the triode Q is unrestricted, either NPN type, can also be positive-negative-positive.Wherein, exist
When the triode Q is NPN type, collector is as hot end, emitter as cold end.It is PNP in the triode Q
When type, collector is as cold end, emitter as hot end.
Optionally, the resistance value of the first protective resistance R1 is unrestricted, can be set according to practical application request
It sets, for example, can be configured according to the voltage value of the driving power, the maximum operating currenbt of the triode Q.
Further, to avoid the driving power from being damaged to the triode Q when exporting high voltage, at this
In embodiment, second phototube coupling unit 150 can also include zener diode D3.
Wherein, the cathode of the zener diode D3 connect with the hot end of the triode Q, plus earth, with
When the voltage of the driving power is higher, the zener diode D3 is breakdown to drag down the hot end of the triode Q
Voltage.
Further, lead to the voltage stabilizing for the output voltage of driving power described in effectively prompt staff is excessively high
Diode D3 is reversed breakdown, and in the present embodiment, second phototube coupling unit 150 can also include the second light-emitting diodes
Pipe D2 and buzzer H.
Wherein, the anode of the second light emitting diode D2 connects the zener diode D3 cathodes, minus earth, so that
The zener diode D3 is grounded by the second light emitting diode D2.The anode of the buzzer H shines with described second
Anode connection, the minus earth of diode D2.
Further, to avoid the zener diode D3 from damaging asking for circuit since electric current is excessive when breakdown
Topic, in the present embodiment, second phototube coupling unit 150 can also include the second protective resistance R2.
Wherein, one end of the second protective resistance R2 connects the hot end of the triode Q, the other end and the drive
Dynamic power supply connection, so that the hot end of the triode Q is connect by the second protective resistance R2 with the driving power.
Further, to ensure that the driving power provides relatively stable electric energy to the switch unit 170, in this reality
It applies in example, second phototube coupling unit 150 can also include filter capacitor C.
Wherein, one end of filter capacitor C is connect with the hot end of the triode Q, the other end is grounded, to avoid passing through
There is voltage fluctuation in the electric energy that the triode Q enters the switch unit 170.
Further, for avoid arm processor 130 break down when be difficult to safely, effectively stop treating control device
400 the problem of being powered, in the present embodiment, in conjunction with Fig. 4, second phototube coupling unit 150 can also include rotation
Component 151.
Wherein, the rotatable parts 151 are set between the first light emitting diode D1 and the triode Q, and energy
It is enough to be moved along close and separate relative position between the first light emitting diode D1 and the triode Q, to turn to
When relative position between the first light emitting diode D1 and the triode Q, separate the first light emitting diode D1 with
Light path between the triode Q.
Optionally, the type of the switch unit 170 is unrestricted, as long as can be connected and be closed under drive signal
Disconnected control for example, may include, but is not limited to relay, triode, metal oxide semiconductor field effect transistor
Pipe, thyristor, silicon carbide transistor, gallium nitride transistor, high electron mobility transistor or insulated gate bipolar transistor etc.
Electrical equipment with switching characteristic.
In conclusion control circuit 100 provided by the utility model and control system 10, pass through the input side in processor
The first phototube coupling unit 110 and the second phototube coupling unit 150 is respectively set with outlet side, it is possible to prevente effectively from processor by
To the interference of sensor 200 and control equipment to be controlled 400, and then improve in the prior art because processor is easy by external devices
It influences and there is a problem of that control accuracy is low, greatly improve the reliability of control circuit 100 and control system 10.Secondly,
By setting rotatable parts 151, the light path between the first light emitting diode D1 and the base stage of triode Q can be separated, to avoid
Processor is difficult to safely, effectively stop treating the problem of control device 400 is powered when breaking down, and further improves
The reliability of control circuit 100 and control system 10.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " connection " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；Can be mechanical connection,
It can be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of control circuit, which is characterized in that including：
First phototube coupling unit, the input terminal of first phototube coupling unit and the output end of sensor connect, to receive
State the electric signal of sensor sensing external signal generation；
Arm processor, which is 32, and input terminal is connect with the output end of first phototube coupling unit, with
It receives the electric signal of the first phototube coupling unit output and is handled；
Second phototube coupling unit, the input terminal of second phototube coupling unit are connect with the output end of the arm processor, with
Receive the electric signal that the arm processor is exported according to handling result；
Switch unit, the control terminal of the switch unit connect with the output end of second phototube coupling unit, input terminal and confession
Power supply connection, output end are connect with the power end of control equipment to be controlled, with the electricity exported according to second phototube coupling unit
Signal controls whether the power supply is powered to the control equipment to be controlled.
2. control circuit according to claim 1, which is characterized in that second phototube coupling unit includes：
First light emitting diode, output end connection, the minus earth of the anode and arm processor of first light emitting diode；
Triode, the hot end of the triode is connect with driving power, the control terminal of cold end and the switch unit connects
It connects, wherein when the base stage of the triode receives the light that first light emitting diode is sent out, hot end and cold end
Between be connected；
First protective resistance, one end of first protective resistance is connect with the cold end of the triode, the other end is grounded.
3. control circuit according to claim 2, which is characterized in that second phototube coupling unit further includes：
Rotatable parts, the rotatable parts are set between first light emitting diode and the triode, and can be along close
And far between first light emitting diode and the triode relative position movement, with turn to described first shine
When relative position between diode and the triode, separate the light between first light emitting diode and the triode
Road.
4. control circuit according to claim 3, which is characterized in that second phototube coupling unit further includes：
Zener diode, the cathode of the zener diode connect with the hot end of the triode, plus earth.
5. control circuit according to claim 4, which is characterized in that second phototube coupling unit further includes：
The anode of second light emitting diode, second light emitting diode connects the zener diode cathode, minus earth, so that
The zener diode is grounded by second light emitting diode.
6. control circuit according to claim 5, which is characterized in that second phototube coupling unit further includes：
Buzzer, the buzzer anode connect with the anode of second light emitting diode, minus earth.
7. control circuit according to claim 4, which is characterized in that second phototube coupling unit further includes：
One end of second protective resistance, second protective resistance connects the hot end of the triode, the other end and the drive
Dynamic power supply connection, so that the hot end of the triode is connect by second protective resistance with the driving power.
8. control circuit according to claim 3, which is characterized in that second phototube coupling unit further includes：
Filter capacitor, one end of the filter capacitor is connect with the hot end of the triode, the other end is grounded.
9. control circuit according to any one of claims 1 to 8, which is characterized in that the switch unit includes relay
Device, triode, mos field effect transistor, thyristor, silicon carbide transistor, gallium nitride transistor, high electricity
Transport factor transistor or insulated gate bipolar transistor.
10. a kind of control system, which is characterized in that including control circuit, sensor, power supply and control equipment to be controlled,
In, the control circuit includes：
First phototube coupling unit, the input terminal of first phototube coupling unit are connect with the output end of the sensor, to connect
Receive the electric signal that the sensor sensing external signal generates；
Arm processor, which is 32, and input terminal is connect with the output end of first phototube coupling unit, with
It receives the electric signal of the first phototube coupling unit output and is handled；
Second phototube coupling unit, the input terminal of second phototube coupling unit are connect with the output end of the arm processor, with
Receive the electric signal that the arm processor is exported according to handling result；
Switch unit, the control terminal of the switch unit connect with the output end of second phototube coupling unit, input terminal and institute
State power supply connection, output end connect with the power end of the control equipment to be controlled, with according to second phototube coupling unit
The electric signal of output controls whether the power supply is powered to the control equipment to be controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251109.6U CN207908917U (en) | 2018-02-12 | 2018-02-12 | Control circuit and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251109.6U CN207908917U (en) | 2018-02-12 | 2018-02-12 | Control circuit and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908917U true CN207908917U (en) | 2018-09-25 |
Family
ID=63560878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820251109.6U Active CN207908917U (en) | 2018-02-12 | 2018-02-12 | Control circuit and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207908917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085277A (en) * | 2021-11-05 | 2023-05-09 | 美智纵横科技有限责任公司 | Control circuit and floor washing machine |
-
2018
- 2018-02-12 CN CN201820251109.6U patent/CN207908917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085277A (en) * | 2021-11-05 | 2023-05-09 | 美智纵横科技有限责任公司 | Control circuit and floor washing machine |
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